Commit | Line | Data |
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4b8ac966 JP |
1 | /* |
2 | * drivers/net/ethernet/rocker/rocker.c - Rocker switch device driver | |
3 | * Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us> | |
4 | * Copyright (c) 2014 Scott Feldman <sfeldma@gmail.com> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | */ | |
11 | ||
12 | #include <linux/kernel.h> | |
13 | #include <linux/module.h> | |
14 | #include <linux/pci.h> | |
15 | #include <linux/interrupt.h> | |
16 | #include <linux/sched.h> | |
17 | #include <linux/wait.h> | |
18 | #include <linux/spinlock.h> | |
9f6bbf7c | 19 | #include <linux/hashtable.h> |
4b8ac966 JP |
20 | #include <linux/crc32.h> |
21 | #include <linux/sort.h> | |
22 | #include <linux/random.h> | |
23 | #include <linux/netdevice.h> | |
24 | #include <linux/inetdevice.h> | |
25 | #include <linux/skbuff.h> | |
26 | #include <linux/socket.h> | |
27 | #include <linux/etherdevice.h> | |
28 | #include <linux/ethtool.h> | |
29 | #include <linux/if_ether.h> | |
30 | #include <linux/if_vlan.h> | |
6c707945 | 31 | #include <linux/if_bridge.h> |
9f6bbf7c | 32 | #include <linux/bitops.h> |
db19170b | 33 | #include <linux/ctype.h> |
4b8ac966 JP |
34 | #include <net/switchdev.h> |
35 | #include <net/rtnetlink.h> | |
c1beeef7 SF |
36 | #include <net/ip_fib.h> |
37 | #include <net/netevent.h> | |
38 | #include <net/arp.h> | |
2f8e2c87 | 39 | #include <linux/io-64-nonatomic-lo-hi.h> |
4b8ac966 JP |
40 | #include <generated/utsrelease.h> |
41 | ||
42 | #include "rocker.h" | |
43 | ||
44 | static const char rocker_driver_name[] = "rocker"; | |
45 | ||
46 | static const struct pci_device_id rocker_pci_id_table[] = { | |
47 | {PCI_VDEVICE(REDHAT, PCI_DEVICE_ID_REDHAT_ROCKER), 0}, | |
48 | {0, } | |
49 | }; | |
50 | ||
9f6bbf7c SF |
51 | struct rocker_flow_tbl_key { |
52 | u32 priority; | |
53 | enum rocker_of_dpa_table_id tbl_id; | |
54 | union { | |
55 | struct { | |
4a6bb6d3 SF |
56 | u32 in_pport; |
57 | u32 in_pport_mask; | |
9f6bbf7c SF |
58 | enum rocker_of_dpa_table_id goto_tbl; |
59 | } ig_port; | |
60 | struct { | |
4a6bb6d3 | 61 | u32 in_pport; |
9f6bbf7c SF |
62 | __be16 vlan_id; |
63 | __be16 vlan_id_mask; | |
64 | enum rocker_of_dpa_table_id goto_tbl; | |
65 | bool untagged; | |
66 | __be16 new_vlan_id; | |
67 | } vlan; | |
68 | struct { | |
4a6bb6d3 SF |
69 | u32 in_pport; |
70 | u32 in_pport_mask; | |
9f6bbf7c SF |
71 | __be16 eth_type; |
72 | u8 eth_dst[ETH_ALEN]; | |
73 | u8 eth_dst_mask[ETH_ALEN]; | |
74 | __be16 vlan_id; | |
75 | __be16 vlan_id_mask; | |
76 | enum rocker_of_dpa_table_id goto_tbl; | |
77 | bool copy_to_cpu; | |
78 | } term_mac; | |
79 | struct { | |
80 | __be16 eth_type; | |
81 | __be32 dst4; | |
82 | __be32 dst4_mask; | |
83 | enum rocker_of_dpa_table_id goto_tbl; | |
84 | u32 group_id; | |
85 | } ucast_routing; | |
86 | struct { | |
87 | u8 eth_dst[ETH_ALEN]; | |
88 | u8 eth_dst_mask[ETH_ALEN]; | |
89 | int has_eth_dst; | |
90 | int has_eth_dst_mask; | |
91 | __be16 vlan_id; | |
92 | u32 tunnel_id; | |
93 | enum rocker_of_dpa_table_id goto_tbl; | |
94 | u32 group_id; | |
95 | bool copy_to_cpu; | |
96 | } bridge; | |
97 | struct { | |
4a6bb6d3 SF |
98 | u32 in_pport; |
99 | u32 in_pport_mask; | |
9f6bbf7c SF |
100 | u8 eth_src[ETH_ALEN]; |
101 | u8 eth_src_mask[ETH_ALEN]; | |
102 | u8 eth_dst[ETH_ALEN]; | |
103 | u8 eth_dst_mask[ETH_ALEN]; | |
104 | __be16 eth_type; | |
105 | __be16 vlan_id; | |
106 | __be16 vlan_id_mask; | |
107 | u8 ip_proto; | |
108 | u8 ip_proto_mask; | |
109 | u8 ip_tos; | |
110 | u8 ip_tos_mask; | |
111 | u32 group_id; | |
112 | } acl; | |
113 | }; | |
114 | }; | |
115 | ||
116 | struct rocker_flow_tbl_entry { | |
117 | struct hlist_node entry; | |
c1beeef7 | 118 | u32 cmd; |
9f6bbf7c SF |
119 | u64 cookie; |
120 | struct rocker_flow_tbl_key key; | |
c1beeef7 | 121 | size_t key_len; |
9f6bbf7c SF |
122 | u32 key_crc32; /* key */ |
123 | }; | |
124 | ||
125 | struct rocker_group_tbl_entry { | |
126 | struct hlist_node entry; | |
127 | u32 cmd; | |
128 | u32 group_id; /* key */ | |
129 | u16 group_count; | |
130 | u32 *group_ids; | |
131 | union { | |
132 | struct { | |
133 | u8 pop_vlan; | |
134 | } l2_interface; | |
135 | struct { | |
136 | u8 eth_src[ETH_ALEN]; | |
137 | u8 eth_dst[ETH_ALEN]; | |
138 | __be16 vlan_id; | |
139 | u32 group_id; | |
140 | } l2_rewrite; | |
141 | struct { | |
142 | u8 eth_src[ETH_ALEN]; | |
143 | u8 eth_dst[ETH_ALEN]; | |
144 | __be16 vlan_id; | |
145 | bool ttl_check; | |
146 | u32 group_id; | |
147 | } l3_unicast; | |
148 | }; | |
149 | }; | |
150 | ||
151 | struct rocker_fdb_tbl_entry { | |
152 | struct hlist_node entry; | |
153 | u32 key_crc32; /* key */ | |
154 | bool learned; | |
a471be41 | 155 | unsigned long touched; |
9f6bbf7c | 156 | struct rocker_fdb_tbl_key { |
4c660496 | 157 | struct rocker_port *rocker_port; |
9f6bbf7c SF |
158 | u8 addr[ETH_ALEN]; |
159 | __be16 vlan_id; | |
160 | } key; | |
161 | }; | |
162 | ||
163 | struct rocker_internal_vlan_tbl_entry { | |
164 | struct hlist_node entry; | |
165 | int ifindex; /* key */ | |
166 | u32 ref_count; | |
167 | __be16 vlan_id; | |
168 | }; | |
169 | ||
c1beeef7 SF |
170 | struct rocker_neigh_tbl_entry { |
171 | struct hlist_node entry; | |
172 | __be32 ip_addr; /* key */ | |
173 | struct net_device *dev; | |
174 | u32 ref_count; | |
175 | u32 index; | |
176 | u8 eth_dst[ETH_ALEN]; | |
177 | bool ttl_check; | |
178 | }; | |
179 | ||
4b8ac966 JP |
180 | struct rocker_desc_info { |
181 | char *data; /* mapped */ | |
182 | size_t data_size; | |
183 | size_t tlv_size; | |
184 | struct rocker_desc *desc; | |
4725ceb9 | 185 | dma_addr_t mapaddr; |
4b8ac966 JP |
186 | }; |
187 | ||
188 | struct rocker_dma_ring_info { | |
189 | size_t size; | |
190 | u32 head; | |
191 | u32 tail; | |
192 | struct rocker_desc *desc; /* mapped */ | |
193 | dma_addr_t mapaddr; | |
194 | struct rocker_desc_info *desc_info; | |
195 | unsigned int type; | |
196 | }; | |
197 | ||
198 | struct rocker; | |
199 | ||
9f6bbf7c SF |
200 | enum { |
201 | ROCKER_CTRL_LINK_LOCAL_MCAST, | |
202 | ROCKER_CTRL_LOCAL_ARP, | |
203 | ROCKER_CTRL_IPV4_MCAST, | |
204 | ROCKER_CTRL_IPV6_MCAST, | |
205 | ROCKER_CTRL_DFLT_BRIDGING, | |
8254973f | 206 | ROCKER_CTRL_DFLT_OVS, |
9f6bbf7c SF |
207 | ROCKER_CTRL_MAX, |
208 | }; | |
209 | ||
210 | #define ROCKER_INTERNAL_VLAN_ID_BASE 0x0f00 | |
211 | #define ROCKER_N_INTERNAL_VLANS 255 | |
212 | #define ROCKER_VLAN_BITMAP_LEN BITS_TO_LONGS(VLAN_N_VID) | |
213 | #define ROCKER_INTERNAL_VLAN_BITMAP_LEN BITS_TO_LONGS(ROCKER_N_INTERNAL_VLANS) | |
214 | ||
4b8ac966 JP |
215 | struct rocker_port { |
216 | struct net_device *dev; | |
6c707945 | 217 | struct net_device *bridge_dev; |
4b8ac966 JP |
218 | struct rocker *rocker; |
219 | unsigned int port_number; | |
4a6bb6d3 | 220 | u32 pport; |
9f6bbf7c | 221 | __be16 internal_vlan_id; |
6c707945 | 222 | int stp_state; |
5111f80c | 223 | u32 brport_flags; |
e7335703 | 224 | unsigned long ageing_time; |
9f6bbf7c SF |
225 | bool ctrls[ROCKER_CTRL_MAX]; |
226 | unsigned long vlan_bitmap[ROCKER_VLAN_BITMAP_LEN]; | |
4b8ac966 JP |
227 | struct napi_struct napi_tx; |
228 | struct napi_struct napi_rx; | |
229 | struct rocker_dma_ring_info tx_ring; | |
230 | struct rocker_dma_ring_info rx_ring; | |
231 | }; | |
232 | ||
233 | struct rocker { | |
234 | struct pci_dev *pdev; | |
235 | u8 __iomem *hw_addr; | |
236 | struct msix_entry *msix_entries; | |
237 | unsigned int port_count; | |
238 | struct rocker_port **ports; | |
239 | struct { | |
240 | u64 id; | |
241 | } hw; | |
4725ceb9 | 242 | spinlock_t cmd_ring_lock; /* for cmd ring accesses */ |
4b8ac966 JP |
243 | struct rocker_dma_ring_info cmd_ring; |
244 | struct rocker_dma_ring_info event_ring; | |
9f6bbf7c | 245 | DECLARE_HASHTABLE(flow_tbl, 16); |
4725ceb9 | 246 | spinlock_t flow_tbl_lock; /* for flow tbl accesses */ |
9f6bbf7c SF |
247 | u64 flow_tbl_next_cookie; |
248 | DECLARE_HASHTABLE(group_tbl, 16); | |
4725ceb9 | 249 | spinlock_t group_tbl_lock; /* for group tbl accesses */ |
52fe3e2d | 250 | struct timer_list fdb_cleanup_timer; |
9f6bbf7c | 251 | DECLARE_HASHTABLE(fdb_tbl, 16); |
4725ceb9 | 252 | spinlock_t fdb_tbl_lock; /* for fdb tbl accesses */ |
9f6bbf7c SF |
253 | unsigned long internal_vlan_bitmap[ROCKER_INTERNAL_VLAN_BITMAP_LEN]; |
254 | DECLARE_HASHTABLE(internal_vlan_tbl, 8); | |
4725ceb9 | 255 | spinlock_t internal_vlan_tbl_lock; /* for vlan tbl accesses */ |
c1beeef7 | 256 | DECLARE_HASHTABLE(neigh_tbl, 16); |
4725ceb9 | 257 | spinlock_t neigh_tbl_lock; /* for neigh tbl accesses */ |
c1beeef7 | 258 | u32 neigh_tbl_next_index; |
9f6bbf7c SF |
259 | }; |
260 | ||
261 | static const u8 zero_mac[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; | |
262 | static const u8 ff_mac[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; | |
263 | static const u8 ll_mac[ETH_ALEN] = { 0x01, 0x80, 0xc2, 0x00, 0x00, 0x00 }; | |
264 | static const u8 ll_mask[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0 }; | |
265 | static const u8 mcast_mac[ETH_ALEN] = { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00 }; | |
266 | static const u8 ipv4_mcast[ETH_ALEN] = { 0x01, 0x00, 0x5e, 0x00, 0x00, 0x00 }; | |
267 | static const u8 ipv4_mask[ETH_ALEN] = { 0xff, 0xff, 0xff, 0x80, 0x00, 0x00 }; | |
268 | static const u8 ipv6_mcast[ETH_ALEN] = { 0x33, 0x33, 0x00, 0x00, 0x00, 0x00 }; | |
269 | static const u8 ipv6_mask[ETH_ALEN] = { 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }; | |
270 | ||
271 | /* Rocker priority levels for flow table entries. Higher | |
272 | * priority match takes precedence over lower priority match. | |
273 | */ | |
274 | ||
275 | enum { | |
276 | ROCKER_PRIORITY_UNKNOWN = 0, | |
277 | ROCKER_PRIORITY_IG_PORT = 1, | |
278 | ROCKER_PRIORITY_VLAN = 1, | |
279 | ROCKER_PRIORITY_TERM_MAC_UCAST = 0, | |
280 | ROCKER_PRIORITY_TERM_MAC_MCAST = 1, | |
9f6bbf7c SF |
281 | ROCKER_PRIORITY_BRIDGING_VLAN_DFLT_EXACT = 1, |
282 | ROCKER_PRIORITY_BRIDGING_VLAN_DFLT_WILD = 2, | |
283 | ROCKER_PRIORITY_BRIDGING_VLAN = 3, | |
284 | ROCKER_PRIORITY_BRIDGING_TENANT_DFLT_EXACT = 1, | |
285 | ROCKER_PRIORITY_BRIDGING_TENANT_DFLT_WILD = 2, | |
286 | ROCKER_PRIORITY_BRIDGING_TENANT = 3, | |
287 | ROCKER_PRIORITY_ACL_CTRL = 3, | |
288 | ROCKER_PRIORITY_ACL_NORMAL = 2, | |
289 | ROCKER_PRIORITY_ACL_DFLT = 1, | |
4b8ac966 JP |
290 | }; |
291 | ||
9f6bbf7c SF |
292 | static bool rocker_vlan_id_is_internal(__be16 vlan_id) |
293 | { | |
294 | u16 start = ROCKER_INTERNAL_VLAN_ID_BASE; | |
295 | u16 end = 0xffe; | |
296 | u16 _vlan_id = ntohs(vlan_id); | |
297 | ||
298 | return (_vlan_id >= start && _vlan_id <= end); | |
299 | } | |
300 | ||
e5054643 | 301 | static __be16 rocker_port_vid_to_vlan(const struct rocker_port *rocker_port, |
9f6bbf7c SF |
302 | u16 vid, bool *pop_vlan) |
303 | { | |
304 | __be16 vlan_id; | |
305 | ||
306 | if (pop_vlan) | |
307 | *pop_vlan = false; | |
308 | vlan_id = htons(vid); | |
309 | if (!vlan_id) { | |
310 | vlan_id = rocker_port->internal_vlan_id; | |
311 | if (pop_vlan) | |
312 | *pop_vlan = true; | |
313 | } | |
314 | ||
315 | return vlan_id; | |
316 | } | |
317 | ||
e5054643 | 318 | static u16 rocker_port_vlan_to_vid(const struct rocker_port *rocker_port, |
6c707945 SF |
319 | __be16 vlan_id) |
320 | { | |
321 | if (rocker_vlan_id_is_internal(vlan_id)) | |
322 | return 0; | |
323 | ||
324 | return ntohs(vlan_id); | |
325 | } | |
326 | ||
e5054643 | 327 | static bool rocker_port_is_bridged(const struct rocker_port *rocker_port) |
6c707945 | 328 | { |
fb4bf214 JP |
329 | return rocker_port->bridge_dev && |
330 | netif_is_bridge_master(rocker_port->bridge_dev); | |
8254973f SH |
331 | } |
332 | ||
333 | static bool rocker_port_is_ovsed(const struct rocker_port *rocker_port) | |
334 | { | |
fb4bf214 JP |
335 | return rocker_port->bridge_dev && |
336 | netif_is_ovs_master(rocker_port->bridge_dev); | |
6c707945 SF |
337 | } |
338 | ||
179f9a25 SF |
339 | #define ROCKER_OP_FLAG_REMOVE BIT(0) |
340 | #define ROCKER_OP_FLAG_NOWAIT BIT(1) | |
341 | #define ROCKER_OP_FLAG_LEARNED BIT(2) | |
342 | #define ROCKER_OP_FLAG_REFRESH BIT(3) | |
343 | ||
c4f20321 | 344 | static void *__rocker_port_mem_alloc(struct rocker_port *rocker_port, |
76c6f945 | 345 | struct switchdev_trans *trans, int flags, |
179f9a25 | 346 | size_t size) |
c4f20321 | 347 | { |
ac3dbc68 | 348 | struct switchdev_trans_item *elem = NULL; |
179f9a25 SF |
349 | gfp_t gfp_flags = (flags & ROCKER_OP_FLAG_NOWAIT) ? |
350 | GFP_ATOMIC : GFP_KERNEL; | |
c4f20321 SF |
351 | |
352 | /* If in transaction prepare phase, allocate the memory | |
ac3dbc68 JP |
353 | * and enqueue it on a transaction. If in transaction |
354 | * commit phase, dequeue the memory from the transaction | |
c4f20321 SF |
355 | * rather than re-allocating the memory. The idea is the |
356 | * driver code paths for prepare and commit are identical | |
357 | * so the memory allocated in the prepare phase is the | |
358 | * memory used in the commit phase. | |
359 | */ | |
360 | ||
76c6f945 JP |
361 | if (!trans) { |
362 | elem = kzalloc(size + sizeof(*elem), gfp_flags); | |
76c6f945 | 363 | } else if (switchdev_trans_ph_prepare(trans)) { |
179f9a25 | 364 | elem = kzalloc(size + sizeof(*elem), gfp_flags); |
c4f20321 SF |
365 | if (!elem) |
366 | return NULL; | |
ac3dbc68 | 367 | switchdev_trans_item_enqueue(trans, elem, kfree, elem); |
76c6f945 | 368 | } else { |
ac3dbc68 | 369 | elem = switchdev_trans_item_dequeue(trans); |
c4f20321 SF |
370 | } |
371 | ||
372 | return elem ? elem + 1 : NULL; | |
373 | } | |
374 | ||
375 | static void *rocker_port_kzalloc(struct rocker_port *rocker_port, | |
76c6f945 | 376 | struct switchdev_trans *trans, int flags, |
179f9a25 | 377 | size_t size) |
c4f20321 | 378 | { |
76c6f945 | 379 | return __rocker_port_mem_alloc(rocker_port, trans, flags, size); |
c4f20321 SF |
380 | } |
381 | ||
382 | static void *rocker_port_kcalloc(struct rocker_port *rocker_port, | |
76c6f945 | 383 | struct switchdev_trans *trans, int flags, |
179f9a25 | 384 | size_t n, size_t size) |
c4f20321 | 385 | { |
76c6f945 | 386 | return __rocker_port_mem_alloc(rocker_port, trans, flags, n * size); |
c4f20321 SF |
387 | } |
388 | ||
76c6f945 | 389 | static void rocker_port_kfree(struct switchdev_trans *trans, const void *mem) |
c4f20321 | 390 | { |
ac3dbc68 | 391 | struct switchdev_trans_item *elem; |
c4f20321 SF |
392 | |
393 | /* Frees are ignored if in transaction prepare phase. The | |
394 | * memory remains on the per-port list until freed in the | |
395 | * commit phase. | |
396 | */ | |
397 | ||
76c6f945 | 398 | if (switchdev_trans_ph_prepare(trans)) |
c4f20321 SF |
399 | return; |
400 | ||
ac3dbc68 | 401 | elem = (struct switchdev_trans_item *) mem - 1; |
c4f20321 SF |
402 | kfree(elem); |
403 | } | |
404 | ||
4b8ac966 JP |
405 | struct rocker_wait { |
406 | wait_queue_head_t wait; | |
407 | bool done; | |
179f9a25 | 408 | bool nowait; |
4b8ac966 JP |
409 | }; |
410 | ||
411 | static void rocker_wait_reset(struct rocker_wait *wait) | |
412 | { | |
413 | wait->done = false; | |
179f9a25 | 414 | wait->nowait = false; |
4b8ac966 JP |
415 | } |
416 | ||
417 | static void rocker_wait_init(struct rocker_wait *wait) | |
418 | { | |
419 | init_waitqueue_head(&wait->wait); | |
420 | rocker_wait_reset(wait); | |
421 | } | |
422 | ||
c4f20321 | 423 | static struct rocker_wait *rocker_wait_create(struct rocker_port *rocker_port, |
76c6f945 | 424 | struct switchdev_trans *trans, |
179f9a25 | 425 | int flags) |
4b8ac966 JP |
426 | { |
427 | struct rocker_wait *wait; | |
428 | ||
76c6f945 | 429 | wait = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*wait)); |
4b8ac966 JP |
430 | if (!wait) |
431 | return NULL; | |
432 | rocker_wait_init(wait); | |
433 | return wait; | |
434 | } | |
435 | ||
76c6f945 | 436 | static void rocker_wait_destroy(struct switchdev_trans *trans, |
c4f20321 | 437 | struct rocker_wait *wait) |
4b8ac966 | 438 | { |
76c6f945 | 439 | rocker_port_kfree(trans, wait); |
4b8ac966 JP |
440 | } |
441 | ||
442 | static bool rocker_wait_event_timeout(struct rocker_wait *wait, | |
443 | unsigned long timeout) | |
444 | { | |
445 | wait_event_timeout(wait->wait, wait->done, HZ / 10); | |
446 | if (!wait->done) | |
447 | return false; | |
448 | return true; | |
449 | } | |
450 | ||
451 | static void rocker_wait_wake_up(struct rocker_wait *wait) | |
452 | { | |
453 | wait->done = true; | |
454 | wake_up(&wait->wait); | |
455 | } | |
456 | ||
e5054643 | 457 | static u32 rocker_msix_vector(const struct rocker *rocker, unsigned int vector) |
4b8ac966 JP |
458 | { |
459 | return rocker->msix_entries[vector].vector; | |
460 | } | |
461 | ||
e5054643 | 462 | static u32 rocker_msix_tx_vector(const struct rocker_port *rocker_port) |
4b8ac966 JP |
463 | { |
464 | return rocker_msix_vector(rocker_port->rocker, | |
465 | ROCKER_MSIX_VEC_TX(rocker_port->port_number)); | |
466 | } | |
467 | ||
e5054643 | 468 | static u32 rocker_msix_rx_vector(const struct rocker_port *rocker_port) |
4b8ac966 JP |
469 | { |
470 | return rocker_msix_vector(rocker_port->rocker, | |
471 | ROCKER_MSIX_VEC_RX(rocker_port->port_number)); | |
472 | } | |
473 | ||
474 | #define rocker_write32(rocker, reg, val) \ | |
475 | writel((val), (rocker)->hw_addr + (ROCKER_ ## reg)) | |
476 | #define rocker_read32(rocker, reg) \ | |
477 | readl((rocker)->hw_addr + (ROCKER_ ## reg)) | |
478 | #define rocker_write64(rocker, reg, val) \ | |
479 | writeq((val), (rocker)->hw_addr + (ROCKER_ ## reg)) | |
480 | #define rocker_read64(rocker, reg) \ | |
481 | readq((rocker)->hw_addr + (ROCKER_ ## reg)) | |
482 | ||
483 | /***************************** | |
484 | * HW basic testing functions | |
485 | *****************************/ | |
486 | ||
e5054643 | 487 | static int rocker_reg_test(const struct rocker *rocker) |
4b8ac966 | 488 | { |
e5054643 | 489 | const struct pci_dev *pdev = rocker->pdev; |
4b8ac966 JP |
490 | u64 test_reg; |
491 | u64 rnd; | |
492 | ||
493 | rnd = prandom_u32(); | |
494 | rnd >>= 1; | |
495 | rocker_write32(rocker, TEST_REG, rnd); | |
496 | test_reg = rocker_read32(rocker, TEST_REG); | |
497 | if (test_reg != rnd * 2) { | |
498 | dev_err(&pdev->dev, "unexpected 32bit register value %08llx, expected %08llx\n", | |
499 | test_reg, rnd * 2); | |
500 | return -EIO; | |
501 | } | |
502 | ||
503 | rnd = prandom_u32(); | |
504 | rnd <<= 31; | |
505 | rnd |= prandom_u32(); | |
506 | rocker_write64(rocker, TEST_REG64, rnd); | |
507 | test_reg = rocker_read64(rocker, TEST_REG64); | |
508 | if (test_reg != rnd * 2) { | |
509 | dev_err(&pdev->dev, "unexpected 64bit register value %16llx, expected %16llx\n", | |
510 | test_reg, rnd * 2); | |
511 | return -EIO; | |
512 | } | |
513 | ||
514 | return 0; | |
515 | } | |
516 | ||
e5054643 SH |
517 | static int rocker_dma_test_one(const struct rocker *rocker, |
518 | struct rocker_wait *wait, u32 test_type, | |
519 | dma_addr_t dma_handle, const unsigned char *buf, | |
520 | const unsigned char *expect, size_t size) | |
4b8ac966 | 521 | { |
e5054643 | 522 | const struct pci_dev *pdev = rocker->pdev; |
4b8ac966 JP |
523 | int i; |
524 | ||
525 | rocker_wait_reset(wait); | |
526 | rocker_write32(rocker, TEST_DMA_CTRL, test_type); | |
527 | ||
528 | if (!rocker_wait_event_timeout(wait, HZ / 10)) { | |
529 | dev_err(&pdev->dev, "no interrupt received within a timeout\n"); | |
530 | return -EIO; | |
531 | } | |
532 | ||
533 | for (i = 0; i < size; i++) { | |
534 | if (buf[i] != expect[i]) { | |
535 | dev_err(&pdev->dev, "unexpected memory content %02x at byte %x\n, %02x expected", | |
536 | buf[i], i, expect[i]); | |
537 | return -EIO; | |
538 | } | |
539 | } | |
540 | return 0; | |
541 | } | |
542 | ||
543 | #define ROCKER_TEST_DMA_BUF_SIZE (PAGE_SIZE * 4) | |
544 | #define ROCKER_TEST_DMA_FILL_PATTERN 0x96 | |
545 | ||
e5054643 | 546 | static int rocker_dma_test_offset(const struct rocker *rocker, |
4b8ac966 JP |
547 | struct rocker_wait *wait, int offset) |
548 | { | |
549 | struct pci_dev *pdev = rocker->pdev; | |
550 | unsigned char *alloc; | |
551 | unsigned char *buf; | |
552 | unsigned char *expect; | |
553 | dma_addr_t dma_handle; | |
554 | int i; | |
555 | int err; | |
556 | ||
557 | alloc = kzalloc(ROCKER_TEST_DMA_BUF_SIZE * 2 + offset, | |
558 | GFP_KERNEL | GFP_DMA); | |
559 | if (!alloc) | |
560 | return -ENOMEM; | |
561 | buf = alloc + offset; | |
562 | expect = buf + ROCKER_TEST_DMA_BUF_SIZE; | |
563 | ||
564 | dma_handle = pci_map_single(pdev, buf, ROCKER_TEST_DMA_BUF_SIZE, | |
565 | PCI_DMA_BIDIRECTIONAL); | |
566 | if (pci_dma_mapping_error(pdev, dma_handle)) { | |
567 | err = -EIO; | |
568 | goto free_alloc; | |
569 | } | |
570 | ||
571 | rocker_write64(rocker, TEST_DMA_ADDR, dma_handle); | |
572 | rocker_write32(rocker, TEST_DMA_SIZE, ROCKER_TEST_DMA_BUF_SIZE); | |
573 | ||
574 | memset(expect, ROCKER_TEST_DMA_FILL_PATTERN, ROCKER_TEST_DMA_BUF_SIZE); | |
575 | err = rocker_dma_test_one(rocker, wait, ROCKER_TEST_DMA_CTRL_FILL, | |
576 | dma_handle, buf, expect, | |
577 | ROCKER_TEST_DMA_BUF_SIZE); | |
578 | if (err) | |
579 | goto unmap; | |
580 | ||
581 | memset(expect, 0, ROCKER_TEST_DMA_BUF_SIZE); | |
582 | err = rocker_dma_test_one(rocker, wait, ROCKER_TEST_DMA_CTRL_CLEAR, | |
583 | dma_handle, buf, expect, | |
584 | ROCKER_TEST_DMA_BUF_SIZE); | |
585 | if (err) | |
586 | goto unmap; | |
587 | ||
588 | prandom_bytes(buf, ROCKER_TEST_DMA_BUF_SIZE); | |
589 | for (i = 0; i < ROCKER_TEST_DMA_BUF_SIZE; i++) | |
590 | expect[i] = ~buf[i]; | |
591 | err = rocker_dma_test_one(rocker, wait, ROCKER_TEST_DMA_CTRL_INVERT, | |
592 | dma_handle, buf, expect, | |
593 | ROCKER_TEST_DMA_BUF_SIZE); | |
594 | if (err) | |
595 | goto unmap; | |
596 | ||
597 | unmap: | |
598 | pci_unmap_single(pdev, dma_handle, ROCKER_TEST_DMA_BUF_SIZE, | |
599 | PCI_DMA_BIDIRECTIONAL); | |
600 | free_alloc: | |
601 | kfree(alloc); | |
602 | ||
603 | return err; | |
604 | } | |
605 | ||
e5054643 SH |
606 | static int rocker_dma_test(const struct rocker *rocker, |
607 | struct rocker_wait *wait) | |
4b8ac966 JP |
608 | { |
609 | int i; | |
610 | int err; | |
611 | ||
612 | for (i = 0; i < 8; i++) { | |
613 | err = rocker_dma_test_offset(rocker, wait, i); | |
614 | if (err) | |
615 | return err; | |
616 | } | |
617 | return 0; | |
618 | } | |
619 | ||
620 | static irqreturn_t rocker_test_irq_handler(int irq, void *dev_id) | |
621 | { | |
622 | struct rocker_wait *wait = dev_id; | |
623 | ||
624 | rocker_wait_wake_up(wait); | |
625 | ||
626 | return IRQ_HANDLED; | |
627 | } | |
628 | ||
e5054643 | 629 | static int rocker_basic_hw_test(const struct rocker *rocker) |
4b8ac966 | 630 | { |
e5054643 | 631 | const struct pci_dev *pdev = rocker->pdev; |
4b8ac966 JP |
632 | struct rocker_wait wait; |
633 | int err; | |
634 | ||
635 | err = rocker_reg_test(rocker); | |
636 | if (err) { | |
637 | dev_err(&pdev->dev, "reg test failed\n"); | |
638 | return err; | |
639 | } | |
640 | ||
641 | err = request_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_TEST), | |
642 | rocker_test_irq_handler, 0, | |
643 | rocker_driver_name, &wait); | |
644 | if (err) { | |
645 | dev_err(&pdev->dev, "cannot assign test irq\n"); | |
646 | return err; | |
647 | } | |
648 | ||
649 | rocker_wait_init(&wait); | |
650 | rocker_write32(rocker, TEST_IRQ, ROCKER_MSIX_VEC_TEST); | |
651 | ||
652 | if (!rocker_wait_event_timeout(&wait, HZ / 10)) { | |
653 | dev_err(&pdev->dev, "no interrupt received within a timeout\n"); | |
654 | err = -EIO; | |
655 | goto free_irq; | |
656 | } | |
657 | ||
658 | err = rocker_dma_test(rocker, &wait); | |
659 | if (err) | |
660 | dev_err(&pdev->dev, "dma test failed\n"); | |
661 | ||
662 | free_irq: | |
663 | free_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_TEST), &wait); | |
664 | return err; | |
665 | } | |
666 | ||
667 | /****** | |
668 | * TLV | |
669 | ******/ | |
670 | ||
671 | #define ROCKER_TLV_ALIGNTO 8U | |
672 | #define ROCKER_TLV_ALIGN(len) \ | |
673 | (((len) + ROCKER_TLV_ALIGNTO - 1) & ~(ROCKER_TLV_ALIGNTO - 1)) | |
674 | #define ROCKER_TLV_HDRLEN ROCKER_TLV_ALIGN(sizeof(struct rocker_tlv)) | |
675 | ||
676 | /* <------- ROCKER_TLV_HDRLEN -------> <--- ROCKER_TLV_ALIGN(payload) ---> | |
677 | * +-----------------------------+- - -+- - - - - - - - - - - - - - -+- - -+ | |
678 | * | Header | Pad | Payload | Pad | | |
679 | * | (struct rocker_tlv) | ing | | ing | | |
680 | * +-----------------------------+- - -+- - - - - - - - - - - - - - -+- - -+ | |
681 | * <--------------------------- tlv->len --------------------------> | |
682 | */ | |
683 | ||
684 | static struct rocker_tlv *rocker_tlv_next(const struct rocker_tlv *tlv, | |
685 | int *remaining) | |
686 | { | |
687 | int totlen = ROCKER_TLV_ALIGN(tlv->len); | |
688 | ||
689 | *remaining -= totlen; | |
690 | return (struct rocker_tlv *) ((char *) tlv + totlen); | |
691 | } | |
692 | ||
693 | static int rocker_tlv_ok(const struct rocker_tlv *tlv, int remaining) | |
694 | { | |
695 | return remaining >= (int) ROCKER_TLV_HDRLEN && | |
696 | tlv->len >= ROCKER_TLV_HDRLEN && | |
697 | tlv->len <= remaining; | |
698 | } | |
699 | ||
700 | #define rocker_tlv_for_each(pos, head, len, rem) \ | |
701 | for (pos = head, rem = len; \ | |
702 | rocker_tlv_ok(pos, rem); \ | |
703 | pos = rocker_tlv_next(pos, &(rem))) | |
704 | ||
705 | #define rocker_tlv_for_each_nested(pos, tlv, rem) \ | |
706 | rocker_tlv_for_each(pos, rocker_tlv_data(tlv), \ | |
707 | rocker_tlv_len(tlv), rem) | |
708 | ||
709 | static int rocker_tlv_attr_size(int payload) | |
710 | { | |
711 | return ROCKER_TLV_HDRLEN + payload; | |
712 | } | |
713 | ||
714 | static int rocker_tlv_total_size(int payload) | |
715 | { | |
716 | return ROCKER_TLV_ALIGN(rocker_tlv_attr_size(payload)); | |
717 | } | |
718 | ||
719 | static int rocker_tlv_padlen(int payload) | |
720 | { | |
721 | return rocker_tlv_total_size(payload) - rocker_tlv_attr_size(payload); | |
722 | } | |
723 | ||
724 | static int rocker_tlv_type(const struct rocker_tlv *tlv) | |
725 | { | |
726 | return tlv->type; | |
727 | } | |
728 | ||
729 | static void *rocker_tlv_data(const struct rocker_tlv *tlv) | |
730 | { | |
731 | return (char *) tlv + ROCKER_TLV_HDRLEN; | |
732 | } | |
733 | ||
734 | static int rocker_tlv_len(const struct rocker_tlv *tlv) | |
735 | { | |
736 | return tlv->len - ROCKER_TLV_HDRLEN; | |
737 | } | |
738 | ||
739 | static u8 rocker_tlv_get_u8(const struct rocker_tlv *tlv) | |
740 | { | |
741 | return *(u8 *) rocker_tlv_data(tlv); | |
742 | } | |
743 | ||
744 | static u16 rocker_tlv_get_u16(const struct rocker_tlv *tlv) | |
745 | { | |
746 | return *(u16 *) rocker_tlv_data(tlv); | |
747 | } | |
748 | ||
9b03c71f JP |
749 | static __be16 rocker_tlv_get_be16(const struct rocker_tlv *tlv) |
750 | { | |
751 | return *(__be16 *) rocker_tlv_data(tlv); | |
752 | } | |
753 | ||
4b8ac966 JP |
754 | static u32 rocker_tlv_get_u32(const struct rocker_tlv *tlv) |
755 | { | |
756 | return *(u32 *) rocker_tlv_data(tlv); | |
757 | } | |
758 | ||
759 | static u64 rocker_tlv_get_u64(const struct rocker_tlv *tlv) | |
760 | { | |
761 | return *(u64 *) rocker_tlv_data(tlv); | |
762 | } | |
763 | ||
e5054643 | 764 | static void rocker_tlv_parse(const struct rocker_tlv **tb, int maxtype, |
4b8ac966 JP |
765 | const char *buf, int buf_len) |
766 | { | |
767 | const struct rocker_tlv *tlv; | |
768 | const struct rocker_tlv *head = (const struct rocker_tlv *) buf; | |
769 | int rem; | |
770 | ||
771 | memset(tb, 0, sizeof(struct rocker_tlv *) * (maxtype + 1)); | |
772 | ||
773 | rocker_tlv_for_each(tlv, head, buf_len, rem) { | |
774 | u32 type = rocker_tlv_type(tlv); | |
775 | ||
776 | if (type > 0 && type <= maxtype) | |
e5054643 | 777 | tb[type] = tlv; |
4b8ac966 JP |
778 | } |
779 | } | |
780 | ||
e5054643 | 781 | static void rocker_tlv_parse_nested(const struct rocker_tlv **tb, int maxtype, |
4b8ac966 JP |
782 | const struct rocker_tlv *tlv) |
783 | { | |
784 | rocker_tlv_parse(tb, maxtype, rocker_tlv_data(tlv), | |
785 | rocker_tlv_len(tlv)); | |
786 | } | |
787 | ||
e5054643 SH |
788 | static void rocker_tlv_parse_desc(const struct rocker_tlv **tb, int maxtype, |
789 | const struct rocker_desc_info *desc_info) | |
4b8ac966 JP |
790 | { |
791 | rocker_tlv_parse(tb, maxtype, desc_info->data, | |
792 | desc_info->desc->tlv_size); | |
793 | } | |
794 | ||
795 | static struct rocker_tlv *rocker_tlv_start(struct rocker_desc_info *desc_info) | |
796 | { | |
797 | return (struct rocker_tlv *) ((char *) desc_info->data + | |
798 | desc_info->tlv_size); | |
799 | } | |
800 | ||
801 | static int rocker_tlv_put(struct rocker_desc_info *desc_info, | |
802 | int attrtype, int attrlen, const void *data) | |
803 | { | |
804 | int tail_room = desc_info->data_size - desc_info->tlv_size; | |
805 | int total_size = rocker_tlv_total_size(attrlen); | |
806 | struct rocker_tlv *tlv; | |
807 | ||
808 | if (unlikely(tail_room < total_size)) | |
809 | return -EMSGSIZE; | |
810 | ||
811 | tlv = rocker_tlv_start(desc_info); | |
812 | desc_info->tlv_size += total_size; | |
813 | tlv->type = attrtype; | |
814 | tlv->len = rocker_tlv_attr_size(attrlen); | |
815 | memcpy(rocker_tlv_data(tlv), data, attrlen); | |
816 | memset((char *) tlv + tlv->len, 0, rocker_tlv_padlen(attrlen)); | |
817 | return 0; | |
818 | } | |
819 | ||
820 | static int rocker_tlv_put_u8(struct rocker_desc_info *desc_info, | |
821 | int attrtype, u8 value) | |
822 | { | |
823 | return rocker_tlv_put(desc_info, attrtype, sizeof(u8), &value); | |
824 | } | |
825 | ||
826 | static int rocker_tlv_put_u16(struct rocker_desc_info *desc_info, | |
827 | int attrtype, u16 value) | |
828 | { | |
829 | return rocker_tlv_put(desc_info, attrtype, sizeof(u16), &value); | |
830 | } | |
831 | ||
9b03c71f JP |
832 | static int rocker_tlv_put_be16(struct rocker_desc_info *desc_info, |
833 | int attrtype, __be16 value) | |
834 | { | |
835 | return rocker_tlv_put(desc_info, attrtype, sizeof(__be16), &value); | |
836 | } | |
837 | ||
4b8ac966 JP |
838 | static int rocker_tlv_put_u32(struct rocker_desc_info *desc_info, |
839 | int attrtype, u32 value) | |
840 | { | |
841 | return rocker_tlv_put(desc_info, attrtype, sizeof(u32), &value); | |
842 | } | |
843 | ||
9b03c71f JP |
844 | static int rocker_tlv_put_be32(struct rocker_desc_info *desc_info, |
845 | int attrtype, __be32 value) | |
846 | { | |
847 | return rocker_tlv_put(desc_info, attrtype, sizeof(__be32), &value); | |
848 | } | |
849 | ||
4b8ac966 JP |
850 | static int rocker_tlv_put_u64(struct rocker_desc_info *desc_info, |
851 | int attrtype, u64 value) | |
852 | { | |
853 | return rocker_tlv_put(desc_info, attrtype, sizeof(u64), &value); | |
854 | } | |
855 | ||
856 | static struct rocker_tlv * | |
857 | rocker_tlv_nest_start(struct rocker_desc_info *desc_info, int attrtype) | |
858 | { | |
859 | struct rocker_tlv *start = rocker_tlv_start(desc_info); | |
860 | ||
861 | if (rocker_tlv_put(desc_info, attrtype, 0, NULL) < 0) | |
862 | return NULL; | |
863 | ||
864 | return start; | |
865 | } | |
866 | ||
867 | static void rocker_tlv_nest_end(struct rocker_desc_info *desc_info, | |
868 | struct rocker_tlv *start) | |
869 | { | |
870 | start->len = (char *) rocker_tlv_start(desc_info) - (char *) start; | |
871 | } | |
872 | ||
873 | static void rocker_tlv_nest_cancel(struct rocker_desc_info *desc_info, | |
e5054643 | 874 | const struct rocker_tlv *start) |
4b8ac966 | 875 | { |
e5054643 | 876 | desc_info->tlv_size = (const char *) start - desc_info->data; |
4b8ac966 JP |
877 | } |
878 | ||
879 | /****************************************** | |
880 | * DMA rings and descriptors manipulations | |
881 | ******************************************/ | |
882 | ||
883 | static u32 __pos_inc(u32 pos, size_t limit) | |
884 | { | |
885 | return ++pos == limit ? 0 : pos; | |
886 | } | |
887 | ||
e5054643 | 888 | static int rocker_desc_err(const struct rocker_desc_info *desc_info) |
4b8ac966 | 889 | { |
7eb344f8 SF |
890 | int err = desc_info->desc->comp_err & ~ROCKER_DMA_DESC_COMP_ERR_GEN; |
891 | ||
892 | switch (err) { | |
893 | case ROCKER_OK: | |
894 | return 0; | |
895 | case -ROCKER_ENOENT: | |
896 | return -ENOENT; | |
897 | case -ROCKER_ENXIO: | |
898 | return -ENXIO; | |
899 | case -ROCKER_ENOMEM: | |
900 | return -ENOMEM; | |
901 | case -ROCKER_EEXIST: | |
902 | return -EEXIST; | |
903 | case -ROCKER_EINVAL: | |
904 | return -EINVAL; | |
905 | case -ROCKER_EMSGSIZE: | |
906 | return -EMSGSIZE; | |
907 | case -ROCKER_ENOTSUP: | |
908 | return -EOPNOTSUPP; | |
909 | case -ROCKER_ENOBUFS: | |
910 | return -ENOBUFS; | |
911 | } | |
912 | ||
913 | return -EINVAL; | |
4b8ac966 JP |
914 | } |
915 | ||
e5054643 | 916 | static void rocker_desc_gen_clear(const struct rocker_desc_info *desc_info) |
4b8ac966 JP |
917 | { |
918 | desc_info->desc->comp_err &= ~ROCKER_DMA_DESC_COMP_ERR_GEN; | |
919 | } | |
920 | ||
e5054643 | 921 | static bool rocker_desc_gen(const struct rocker_desc_info *desc_info) |
4b8ac966 JP |
922 | { |
923 | u32 comp_err = desc_info->desc->comp_err; | |
924 | ||
925 | return comp_err & ROCKER_DMA_DESC_COMP_ERR_GEN ? true : false; | |
926 | } | |
927 | ||
e5054643 | 928 | static void *rocker_desc_cookie_ptr_get(const struct rocker_desc_info *desc_info) |
4b8ac966 | 929 | { |
adedf37b | 930 | return (void *)(uintptr_t)desc_info->desc->cookie; |
4b8ac966 JP |
931 | } |
932 | ||
e5054643 | 933 | static void rocker_desc_cookie_ptr_set(const struct rocker_desc_info *desc_info, |
4b8ac966 JP |
934 | void *ptr) |
935 | { | |
adedf37b | 936 | desc_info->desc->cookie = (uintptr_t) ptr; |
4b8ac966 JP |
937 | } |
938 | ||
939 | static struct rocker_desc_info * | |
e5054643 | 940 | rocker_desc_head_get(const struct rocker_dma_ring_info *info) |
4b8ac966 JP |
941 | { |
942 | static struct rocker_desc_info *desc_info; | |
943 | u32 head = __pos_inc(info->head, info->size); | |
944 | ||
945 | desc_info = &info->desc_info[info->head]; | |
946 | if (head == info->tail) | |
947 | return NULL; /* ring full */ | |
948 | desc_info->tlv_size = 0; | |
949 | return desc_info; | |
950 | } | |
951 | ||
e5054643 | 952 | static void rocker_desc_commit(const struct rocker_desc_info *desc_info) |
4b8ac966 JP |
953 | { |
954 | desc_info->desc->buf_size = desc_info->data_size; | |
955 | desc_info->desc->tlv_size = desc_info->tlv_size; | |
956 | } | |
957 | ||
e5054643 | 958 | static void rocker_desc_head_set(const struct rocker *rocker, |
4b8ac966 | 959 | struct rocker_dma_ring_info *info, |
e5054643 | 960 | const struct rocker_desc_info *desc_info) |
4b8ac966 JP |
961 | { |
962 | u32 head = __pos_inc(info->head, info->size); | |
963 | ||
964 | BUG_ON(head == info->tail); | |
965 | rocker_desc_commit(desc_info); | |
966 | info->head = head; | |
967 | rocker_write32(rocker, DMA_DESC_HEAD(info->type), head); | |
968 | } | |
969 | ||
970 | static struct rocker_desc_info * | |
971 | rocker_desc_tail_get(struct rocker_dma_ring_info *info) | |
972 | { | |
973 | static struct rocker_desc_info *desc_info; | |
974 | ||
975 | if (info->tail == info->head) | |
976 | return NULL; /* nothing to be done between head and tail */ | |
977 | desc_info = &info->desc_info[info->tail]; | |
978 | if (!rocker_desc_gen(desc_info)) | |
979 | return NULL; /* gen bit not set, desc is not ready yet */ | |
980 | info->tail = __pos_inc(info->tail, info->size); | |
981 | desc_info->tlv_size = desc_info->desc->tlv_size; | |
982 | return desc_info; | |
983 | } | |
984 | ||
e5054643 SH |
985 | static void rocker_dma_ring_credits_set(const struct rocker *rocker, |
986 | const struct rocker_dma_ring_info *info, | |
4b8ac966 JP |
987 | u32 credits) |
988 | { | |
989 | if (credits) | |
990 | rocker_write32(rocker, DMA_DESC_CREDITS(info->type), credits); | |
991 | } | |
992 | ||
993 | static unsigned long rocker_dma_ring_size_fix(size_t size) | |
994 | { | |
995 | return max(ROCKER_DMA_SIZE_MIN, | |
996 | min(roundup_pow_of_two(size), ROCKER_DMA_SIZE_MAX)); | |
997 | } | |
998 | ||
e5054643 | 999 | static int rocker_dma_ring_create(const struct rocker *rocker, |
4b8ac966 JP |
1000 | unsigned int type, |
1001 | size_t size, | |
1002 | struct rocker_dma_ring_info *info) | |
1003 | { | |
1004 | int i; | |
1005 | ||
1006 | BUG_ON(size != rocker_dma_ring_size_fix(size)); | |
1007 | info->size = size; | |
1008 | info->type = type; | |
1009 | info->head = 0; | |
1010 | info->tail = 0; | |
1011 | info->desc_info = kcalloc(info->size, sizeof(*info->desc_info), | |
1012 | GFP_KERNEL); | |
1013 | if (!info->desc_info) | |
1014 | return -ENOMEM; | |
1015 | ||
1016 | info->desc = pci_alloc_consistent(rocker->pdev, | |
1017 | info->size * sizeof(*info->desc), | |
1018 | &info->mapaddr); | |
1019 | if (!info->desc) { | |
1020 | kfree(info->desc_info); | |
1021 | return -ENOMEM; | |
1022 | } | |
1023 | ||
1024 | for (i = 0; i < info->size; i++) | |
1025 | info->desc_info[i].desc = &info->desc[i]; | |
1026 | ||
1027 | rocker_write32(rocker, DMA_DESC_CTRL(info->type), | |
1028 | ROCKER_DMA_DESC_CTRL_RESET); | |
1029 | rocker_write64(rocker, DMA_DESC_ADDR(info->type), info->mapaddr); | |
1030 | rocker_write32(rocker, DMA_DESC_SIZE(info->type), info->size); | |
1031 | ||
1032 | return 0; | |
1033 | } | |
1034 | ||
e5054643 SH |
1035 | static void rocker_dma_ring_destroy(const struct rocker *rocker, |
1036 | const struct rocker_dma_ring_info *info) | |
4b8ac966 JP |
1037 | { |
1038 | rocker_write64(rocker, DMA_DESC_ADDR(info->type), 0); | |
1039 | ||
1040 | pci_free_consistent(rocker->pdev, | |
1041 | info->size * sizeof(struct rocker_desc), | |
1042 | info->desc, info->mapaddr); | |
1043 | kfree(info->desc_info); | |
1044 | } | |
1045 | ||
e5054643 | 1046 | static void rocker_dma_ring_pass_to_producer(const struct rocker *rocker, |
4b8ac966 JP |
1047 | struct rocker_dma_ring_info *info) |
1048 | { | |
1049 | int i; | |
1050 | ||
1051 | BUG_ON(info->head || info->tail); | |
1052 | ||
1053 | /* When ring is consumer, we need to advance head for each desc. | |
1054 | * That tells hw that the desc is ready to be used by it. | |
1055 | */ | |
1056 | for (i = 0; i < info->size - 1; i++) | |
1057 | rocker_desc_head_set(rocker, info, &info->desc_info[i]); | |
1058 | rocker_desc_commit(&info->desc_info[i]); | |
1059 | } | |
1060 | ||
e5054643 SH |
1061 | static int rocker_dma_ring_bufs_alloc(const struct rocker *rocker, |
1062 | const struct rocker_dma_ring_info *info, | |
4b8ac966 JP |
1063 | int direction, size_t buf_size) |
1064 | { | |
1065 | struct pci_dev *pdev = rocker->pdev; | |
1066 | int i; | |
1067 | int err; | |
1068 | ||
1069 | for (i = 0; i < info->size; i++) { | |
1070 | struct rocker_desc_info *desc_info = &info->desc_info[i]; | |
1071 | struct rocker_desc *desc = &info->desc[i]; | |
1072 | dma_addr_t dma_handle; | |
1073 | char *buf; | |
1074 | ||
1075 | buf = kzalloc(buf_size, GFP_KERNEL | GFP_DMA); | |
1076 | if (!buf) { | |
1077 | err = -ENOMEM; | |
1078 | goto rollback; | |
1079 | } | |
1080 | ||
1081 | dma_handle = pci_map_single(pdev, buf, buf_size, direction); | |
1082 | if (pci_dma_mapping_error(pdev, dma_handle)) { | |
1083 | kfree(buf); | |
1084 | err = -EIO; | |
1085 | goto rollback; | |
1086 | } | |
1087 | ||
1088 | desc_info->data = buf; | |
1089 | desc_info->data_size = buf_size; | |
1090 | dma_unmap_addr_set(desc_info, mapaddr, dma_handle); | |
1091 | ||
1092 | desc->buf_addr = dma_handle; | |
1093 | desc->buf_size = buf_size; | |
1094 | } | |
1095 | return 0; | |
1096 | ||
1097 | rollback: | |
1098 | for (i--; i >= 0; i--) { | |
e5054643 | 1099 | const struct rocker_desc_info *desc_info = &info->desc_info[i]; |
4b8ac966 JP |
1100 | |
1101 | pci_unmap_single(pdev, dma_unmap_addr(desc_info, mapaddr), | |
1102 | desc_info->data_size, direction); | |
1103 | kfree(desc_info->data); | |
1104 | } | |
1105 | return err; | |
1106 | } | |
1107 | ||
e5054643 SH |
1108 | static void rocker_dma_ring_bufs_free(const struct rocker *rocker, |
1109 | const struct rocker_dma_ring_info *info, | |
4b8ac966 JP |
1110 | int direction) |
1111 | { | |
1112 | struct pci_dev *pdev = rocker->pdev; | |
1113 | int i; | |
1114 | ||
1115 | for (i = 0; i < info->size; i++) { | |
e5054643 | 1116 | const struct rocker_desc_info *desc_info = &info->desc_info[i]; |
4b8ac966 JP |
1117 | struct rocker_desc *desc = &info->desc[i]; |
1118 | ||
1119 | desc->buf_addr = 0; | |
1120 | desc->buf_size = 0; | |
1121 | pci_unmap_single(pdev, dma_unmap_addr(desc_info, mapaddr), | |
1122 | desc_info->data_size, direction); | |
1123 | kfree(desc_info->data); | |
1124 | } | |
1125 | } | |
1126 | ||
1127 | static int rocker_dma_rings_init(struct rocker *rocker) | |
1128 | { | |
e5054643 | 1129 | const struct pci_dev *pdev = rocker->pdev; |
4b8ac966 JP |
1130 | int err; |
1131 | ||
1132 | err = rocker_dma_ring_create(rocker, ROCKER_DMA_CMD, | |
1133 | ROCKER_DMA_CMD_DEFAULT_SIZE, | |
1134 | &rocker->cmd_ring); | |
1135 | if (err) { | |
1136 | dev_err(&pdev->dev, "failed to create command dma ring\n"); | |
1137 | return err; | |
1138 | } | |
1139 | ||
1140 | spin_lock_init(&rocker->cmd_ring_lock); | |
1141 | ||
1142 | err = rocker_dma_ring_bufs_alloc(rocker, &rocker->cmd_ring, | |
1143 | PCI_DMA_BIDIRECTIONAL, PAGE_SIZE); | |
1144 | if (err) { | |
1145 | dev_err(&pdev->dev, "failed to alloc command dma ring buffers\n"); | |
1146 | goto err_dma_cmd_ring_bufs_alloc; | |
1147 | } | |
1148 | ||
1149 | err = rocker_dma_ring_create(rocker, ROCKER_DMA_EVENT, | |
1150 | ROCKER_DMA_EVENT_DEFAULT_SIZE, | |
1151 | &rocker->event_ring); | |
1152 | if (err) { | |
1153 | dev_err(&pdev->dev, "failed to create event dma ring\n"); | |
1154 | goto err_dma_event_ring_create; | |
1155 | } | |
1156 | ||
1157 | err = rocker_dma_ring_bufs_alloc(rocker, &rocker->event_ring, | |
1158 | PCI_DMA_FROMDEVICE, PAGE_SIZE); | |
1159 | if (err) { | |
1160 | dev_err(&pdev->dev, "failed to alloc event dma ring buffers\n"); | |
1161 | goto err_dma_event_ring_bufs_alloc; | |
1162 | } | |
1163 | rocker_dma_ring_pass_to_producer(rocker, &rocker->event_ring); | |
1164 | return 0; | |
1165 | ||
1166 | err_dma_event_ring_bufs_alloc: | |
1167 | rocker_dma_ring_destroy(rocker, &rocker->event_ring); | |
1168 | err_dma_event_ring_create: | |
1169 | rocker_dma_ring_bufs_free(rocker, &rocker->cmd_ring, | |
1170 | PCI_DMA_BIDIRECTIONAL); | |
1171 | err_dma_cmd_ring_bufs_alloc: | |
1172 | rocker_dma_ring_destroy(rocker, &rocker->cmd_ring); | |
1173 | return err; | |
1174 | } | |
1175 | ||
1176 | static void rocker_dma_rings_fini(struct rocker *rocker) | |
1177 | { | |
1178 | rocker_dma_ring_bufs_free(rocker, &rocker->event_ring, | |
1179 | PCI_DMA_BIDIRECTIONAL); | |
1180 | rocker_dma_ring_destroy(rocker, &rocker->event_ring); | |
1181 | rocker_dma_ring_bufs_free(rocker, &rocker->cmd_ring, | |
1182 | PCI_DMA_BIDIRECTIONAL); | |
1183 | rocker_dma_ring_destroy(rocker, &rocker->cmd_ring); | |
1184 | } | |
1185 | ||
534ba6a8 | 1186 | static int rocker_dma_rx_ring_skb_map(const struct rocker_port *rocker_port, |
4b8ac966 JP |
1187 | struct rocker_desc_info *desc_info, |
1188 | struct sk_buff *skb, size_t buf_len) | |
1189 | { | |
534ba6a8 | 1190 | const struct rocker *rocker = rocker_port->rocker; |
4b8ac966 JP |
1191 | struct pci_dev *pdev = rocker->pdev; |
1192 | dma_addr_t dma_handle; | |
1193 | ||
1194 | dma_handle = pci_map_single(pdev, skb->data, buf_len, | |
1195 | PCI_DMA_FROMDEVICE); | |
1196 | if (pci_dma_mapping_error(pdev, dma_handle)) | |
1197 | return -EIO; | |
1198 | if (rocker_tlv_put_u64(desc_info, ROCKER_TLV_RX_FRAG_ADDR, dma_handle)) | |
1199 | goto tlv_put_failure; | |
1200 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_RX_FRAG_MAX_LEN, buf_len)) | |
1201 | goto tlv_put_failure; | |
1202 | return 0; | |
1203 | ||
1204 | tlv_put_failure: | |
1205 | pci_unmap_single(pdev, dma_handle, buf_len, PCI_DMA_FROMDEVICE); | |
1206 | desc_info->tlv_size = 0; | |
1207 | return -EMSGSIZE; | |
1208 | } | |
1209 | ||
e5054643 | 1210 | static size_t rocker_port_rx_buf_len(const struct rocker_port *rocker_port) |
4b8ac966 JP |
1211 | { |
1212 | return rocker_port->dev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN; | |
1213 | } | |
1214 | ||
534ba6a8 | 1215 | static int rocker_dma_rx_ring_skb_alloc(const struct rocker_port *rocker_port, |
4b8ac966 JP |
1216 | struct rocker_desc_info *desc_info) |
1217 | { | |
1218 | struct net_device *dev = rocker_port->dev; | |
1219 | struct sk_buff *skb; | |
1220 | size_t buf_len = rocker_port_rx_buf_len(rocker_port); | |
1221 | int err; | |
1222 | ||
1223 | /* Ensure that hw will see tlv_size zero in case of an error. | |
1224 | * That tells hw to use another descriptor. | |
1225 | */ | |
1226 | rocker_desc_cookie_ptr_set(desc_info, NULL); | |
1227 | desc_info->tlv_size = 0; | |
1228 | ||
1229 | skb = netdev_alloc_skb_ip_align(dev, buf_len); | |
1230 | if (!skb) | |
1231 | return -ENOMEM; | |
534ba6a8 | 1232 | err = rocker_dma_rx_ring_skb_map(rocker_port, desc_info, skb, buf_len); |
4b8ac966 JP |
1233 | if (err) { |
1234 | dev_kfree_skb_any(skb); | |
1235 | return err; | |
1236 | } | |
1237 | rocker_desc_cookie_ptr_set(desc_info, skb); | |
1238 | return 0; | |
1239 | } | |
1240 | ||
e5054643 SH |
1241 | static void rocker_dma_rx_ring_skb_unmap(const struct rocker *rocker, |
1242 | const struct rocker_tlv **attrs) | |
4b8ac966 JP |
1243 | { |
1244 | struct pci_dev *pdev = rocker->pdev; | |
1245 | dma_addr_t dma_handle; | |
1246 | size_t len; | |
1247 | ||
1248 | if (!attrs[ROCKER_TLV_RX_FRAG_ADDR] || | |
1249 | !attrs[ROCKER_TLV_RX_FRAG_MAX_LEN]) | |
1250 | return; | |
1251 | dma_handle = rocker_tlv_get_u64(attrs[ROCKER_TLV_RX_FRAG_ADDR]); | |
1252 | len = rocker_tlv_get_u16(attrs[ROCKER_TLV_RX_FRAG_MAX_LEN]); | |
1253 | pci_unmap_single(pdev, dma_handle, len, PCI_DMA_FROMDEVICE); | |
1254 | } | |
1255 | ||
e5054643 SH |
1256 | static void rocker_dma_rx_ring_skb_free(const struct rocker *rocker, |
1257 | const struct rocker_desc_info *desc_info) | |
4b8ac966 | 1258 | { |
e5054643 | 1259 | const struct rocker_tlv *attrs[ROCKER_TLV_RX_MAX + 1]; |
4b8ac966 JP |
1260 | struct sk_buff *skb = rocker_desc_cookie_ptr_get(desc_info); |
1261 | ||
1262 | if (!skb) | |
1263 | return; | |
1264 | rocker_tlv_parse_desc(attrs, ROCKER_TLV_RX_MAX, desc_info); | |
1265 | rocker_dma_rx_ring_skb_unmap(rocker, attrs); | |
1266 | dev_kfree_skb_any(skb); | |
1267 | } | |
1268 | ||
534ba6a8 | 1269 | static int rocker_dma_rx_ring_skbs_alloc(const struct rocker_port *rocker_port) |
4b8ac966 | 1270 | { |
e5054643 | 1271 | const struct rocker_dma_ring_info *rx_ring = &rocker_port->rx_ring; |
534ba6a8 | 1272 | const struct rocker *rocker = rocker_port->rocker; |
4b8ac966 JP |
1273 | int i; |
1274 | int err; | |
1275 | ||
1276 | for (i = 0; i < rx_ring->size; i++) { | |
534ba6a8 | 1277 | err = rocker_dma_rx_ring_skb_alloc(rocker_port, |
4b8ac966 JP |
1278 | &rx_ring->desc_info[i]); |
1279 | if (err) | |
1280 | goto rollback; | |
1281 | } | |
1282 | return 0; | |
1283 | ||
1284 | rollback: | |
1285 | for (i--; i >= 0; i--) | |
1286 | rocker_dma_rx_ring_skb_free(rocker, &rx_ring->desc_info[i]); | |
1287 | return err; | |
1288 | } | |
1289 | ||
534ba6a8 | 1290 | static void rocker_dma_rx_ring_skbs_free(const struct rocker_port *rocker_port) |
4b8ac966 | 1291 | { |
e5054643 | 1292 | const struct rocker_dma_ring_info *rx_ring = &rocker_port->rx_ring; |
534ba6a8 | 1293 | const struct rocker *rocker = rocker_port->rocker; |
4b8ac966 JP |
1294 | int i; |
1295 | ||
1296 | for (i = 0; i < rx_ring->size; i++) | |
1297 | rocker_dma_rx_ring_skb_free(rocker, &rx_ring->desc_info[i]); | |
1298 | } | |
1299 | ||
1300 | static int rocker_port_dma_rings_init(struct rocker_port *rocker_port) | |
1301 | { | |
1302 | struct rocker *rocker = rocker_port->rocker; | |
1303 | int err; | |
1304 | ||
1305 | err = rocker_dma_ring_create(rocker, | |
1306 | ROCKER_DMA_TX(rocker_port->port_number), | |
1307 | ROCKER_DMA_TX_DEFAULT_SIZE, | |
1308 | &rocker_port->tx_ring); | |
1309 | if (err) { | |
1310 | netdev_err(rocker_port->dev, "failed to create tx dma ring\n"); | |
1311 | return err; | |
1312 | } | |
1313 | ||
1314 | err = rocker_dma_ring_bufs_alloc(rocker, &rocker_port->tx_ring, | |
1315 | PCI_DMA_TODEVICE, | |
1316 | ROCKER_DMA_TX_DESC_SIZE); | |
1317 | if (err) { | |
1318 | netdev_err(rocker_port->dev, "failed to alloc tx dma ring buffers\n"); | |
1319 | goto err_dma_tx_ring_bufs_alloc; | |
1320 | } | |
1321 | ||
1322 | err = rocker_dma_ring_create(rocker, | |
1323 | ROCKER_DMA_RX(rocker_port->port_number), | |
1324 | ROCKER_DMA_RX_DEFAULT_SIZE, | |
1325 | &rocker_port->rx_ring); | |
1326 | if (err) { | |
1327 | netdev_err(rocker_port->dev, "failed to create rx dma ring\n"); | |
1328 | goto err_dma_rx_ring_create; | |
1329 | } | |
1330 | ||
1331 | err = rocker_dma_ring_bufs_alloc(rocker, &rocker_port->rx_ring, | |
1332 | PCI_DMA_BIDIRECTIONAL, | |
1333 | ROCKER_DMA_RX_DESC_SIZE); | |
1334 | if (err) { | |
1335 | netdev_err(rocker_port->dev, "failed to alloc rx dma ring buffers\n"); | |
1336 | goto err_dma_rx_ring_bufs_alloc; | |
1337 | } | |
1338 | ||
534ba6a8 | 1339 | err = rocker_dma_rx_ring_skbs_alloc(rocker_port); |
4b8ac966 JP |
1340 | if (err) { |
1341 | netdev_err(rocker_port->dev, "failed to alloc rx dma ring skbs\n"); | |
1342 | goto err_dma_rx_ring_skbs_alloc; | |
1343 | } | |
1344 | rocker_dma_ring_pass_to_producer(rocker, &rocker_port->rx_ring); | |
1345 | ||
1346 | return 0; | |
1347 | ||
1348 | err_dma_rx_ring_skbs_alloc: | |
1349 | rocker_dma_ring_bufs_free(rocker, &rocker_port->rx_ring, | |
1350 | PCI_DMA_BIDIRECTIONAL); | |
1351 | err_dma_rx_ring_bufs_alloc: | |
1352 | rocker_dma_ring_destroy(rocker, &rocker_port->rx_ring); | |
1353 | err_dma_rx_ring_create: | |
1354 | rocker_dma_ring_bufs_free(rocker, &rocker_port->tx_ring, | |
1355 | PCI_DMA_TODEVICE); | |
1356 | err_dma_tx_ring_bufs_alloc: | |
1357 | rocker_dma_ring_destroy(rocker, &rocker_port->tx_ring); | |
1358 | return err; | |
1359 | } | |
1360 | ||
1361 | static void rocker_port_dma_rings_fini(struct rocker_port *rocker_port) | |
1362 | { | |
1363 | struct rocker *rocker = rocker_port->rocker; | |
1364 | ||
534ba6a8 | 1365 | rocker_dma_rx_ring_skbs_free(rocker_port); |
4b8ac966 JP |
1366 | rocker_dma_ring_bufs_free(rocker, &rocker_port->rx_ring, |
1367 | PCI_DMA_BIDIRECTIONAL); | |
1368 | rocker_dma_ring_destroy(rocker, &rocker_port->rx_ring); | |
1369 | rocker_dma_ring_bufs_free(rocker, &rocker_port->tx_ring, | |
1370 | PCI_DMA_TODEVICE); | |
1371 | rocker_dma_ring_destroy(rocker, &rocker_port->tx_ring); | |
1372 | } | |
1373 | ||
e5054643 SH |
1374 | static void rocker_port_set_enable(const struct rocker_port *rocker_port, |
1375 | bool enable) | |
4b8ac966 JP |
1376 | { |
1377 | u64 val = rocker_read64(rocker_port->rocker, PORT_PHYS_ENABLE); | |
1378 | ||
1379 | if (enable) | |
71a83a6d | 1380 | val |= 1ULL << rocker_port->pport; |
4b8ac966 | 1381 | else |
71a83a6d | 1382 | val &= ~(1ULL << rocker_port->pport); |
4b8ac966 JP |
1383 | rocker_write64(rocker_port->rocker, PORT_PHYS_ENABLE, val); |
1384 | } | |
1385 | ||
1386 | /******************************** | |
1387 | * Interrupt handler and helpers | |
1388 | ********************************/ | |
1389 | ||
1390 | static irqreturn_t rocker_cmd_irq_handler(int irq, void *dev_id) | |
1391 | { | |
1392 | struct rocker *rocker = dev_id; | |
e5054643 | 1393 | const struct rocker_desc_info *desc_info; |
4b8ac966 JP |
1394 | struct rocker_wait *wait; |
1395 | u32 credits = 0; | |
1396 | ||
1397 | spin_lock(&rocker->cmd_ring_lock); | |
1398 | while ((desc_info = rocker_desc_tail_get(&rocker->cmd_ring))) { | |
1399 | wait = rocker_desc_cookie_ptr_get(desc_info); | |
179f9a25 SF |
1400 | if (wait->nowait) { |
1401 | rocker_desc_gen_clear(desc_info); | |
76c6f945 | 1402 | rocker_wait_destroy(NULL, wait); |
179f9a25 SF |
1403 | } else { |
1404 | rocker_wait_wake_up(wait); | |
1405 | } | |
4b8ac966 JP |
1406 | credits++; |
1407 | } | |
1408 | spin_unlock(&rocker->cmd_ring_lock); | |
1409 | rocker_dma_ring_credits_set(rocker, &rocker->cmd_ring, credits); | |
1410 | ||
1411 | return IRQ_HANDLED; | |
1412 | } | |
1413 | ||
e5054643 | 1414 | static void rocker_port_link_up(const struct rocker_port *rocker_port) |
4b8ac966 JP |
1415 | { |
1416 | netif_carrier_on(rocker_port->dev); | |
1417 | netdev_info(rocker_port->dev, "Link is up\n"); | |
1418 | } | |
1419 | ||
e5054643 | 1420 | static void rocker_port_link_down(const struct rocker_port *rocker_port) |
4b8ac966 JP |
1421 | { |
1422 | netif_carrier_off(rocker_port->dev); | |
1423 | netdev_info(rocker_port->dev, "Link is down\n"); | |
1424 | } | |
1425 | ||
e5054643 | 1426 | static int rocker_event_link_change(const struct rocker *rocker, |
4b8ac966 JP |
1427 | const struct rocker_tlv *info) |
1428 | { | |
e5054643 | 1429 | const struct rocker_tlv *attrs[ROCKER_TLV_EVENT_LINK_CHANGED_MAX + 1]; |
4b8ac966 JP |
1430 | unsigned int port_number; |
1431 | bool link_up; | |
1432 | struct rocker_port *rocker_port; | |
1433 | ||
1434 | rocker_tlv_parse_nested(attrs, ROCKER_TLV_EVENT_LINK_CHANGED_MAX, info); | |
4a6bb6d3 | 1435 | if (!attrs[ROCKER_TLV_EVENT_LINK_CHANGED_PPORT] || |
4b8ac966 JP |
1436 | !attrs[ROCKER_TLV_EVENT_LINK_CHANGED_LINKUP]) |
1437 | return -EIO; | |
1438 | port_number = | |
4a6bb6d3 | 1439 | rocker_tlv_get_u32(attrs[ROCKER_TLV_EVENT_LINK_CHANGED_PPORT]) - 1; |
4b8ac966 JP |
1440 | link_up = rocker_tlv_get_u8(attrs[ROCKER_TLV_EVENT_LINK_CHANGED_LINKUP]); |
1441 | ||
1442 | if (port_number >= rocker->port_count) | |
1443 | return -EINVAL; | |
1444 | ||
1445 | rocker_port = rocker->ports[port_number]; | |
1446 | if (netif_carrier_ok(rocker_port->dev) != link_up) { | |
1447 | if (link_up) | |
1448 | rocker_port_link_up(rocker_port); | |
1449 | else | |
1450 | rocker_port_link_down(rocker_port); | |
1451 | } | |
1452 | ||
1453 | return 0; | |
1454 | } | |
1455 | ||
6c707945 | 1456 | static int rocker_port_fdb(struct rocker_port *rocker_port, |
76c6f945 | 1457 | struct switchdev_trans *trans, |
6c707945 SF |
1458 | const unsigned char *addr, |
1459 | __be16 vlan_id, int flags); | |
1460 | ||
e5054643 | 1461 | static int rocker_event_mac_vlan_seen(const struct rocker *rocker, |
6c707945 SF |
1462 | const struct rocker_tlv *info) |
1463 | { | |
e5054643 | 1464 | const struct rocker_tlv *attrs[ROCKER_TLV_EVENT_MAC_VLAN_MAX + 1]; |
6c707945 SF |
1465 | unsigned int port_number; |
1466 | struct rocker_port *rocker_port; | |
e5054643 | 1467 | const unsigned char *addr; |
92014b97 | 1468 | int flags = ROCKER_OP_FLAG_NOWAIT | ROCKER_OP_FLAG_LEARNED; |
6c707945 SF |
1469 | __be16 vlan_id; |
1470 | ||
1471 | rocker_tlv_parse_nested(attrs, ROCKER_TLV_EVENT_MAC_VLAN_MAX, info); | |
4a6bb6d3 | 1472 | if (!attrs[ROCKER_TLV_EVENT_MAC_VLAN_PPORT] || |
6c707945 SF |
1473 | !attrs[ROCKER_TLV_EVENT_MAC_VLAN_MAC] || |
1474 | !attrs[ROCKER_TLV_EVENT_MAC_VLAN_VLAN_ID]) | |
1475 | return -EIO; | |
1476 | port_number = | |
4a6bb6d3 | 1477 | rocker_tlv_get_u32(attrs[ROCKER_TLV_EVENT_MAC_VLAN_PPORT]) - 1; |
6c707945 | 1478 | addr = rocker_tlv_data(attrs[ROCKER_TLV_EVENT_MAC_VLAN_MAC]); |
9b03c71f | 1479 | vlan_id = rocker_tlv_get_be16(attrs[ROCKER_TLV_EVENT_MAC_VLAN_VLAN_ID]); |
6c707945 SF |
1480 | |
1481 | if (port_number >= rocker->port_count) | |
1482 | return -EINVAL; | |
1483 | ||
1484 | rocker_port = rocker->ports[port_number]; | |
1485 | ||
1486 | if (rocker_port->stp_state != BR_STATE_LEARNING && | |
1487 | rocker_port->stp_state != BR_STATE_FORWARDING) | |
1488 | return 0; | |
1489 | ||
76c6f945 | 1490 | return rocker_port_fdb(rocker_port, NULL, addr, vlan_id, flags); |
6c707945 | 1491 | } |
9f6bbf7c | 1492 | |
e5054643 SH |
1493 | static int rocker_event_process(const struct rocker *rocker, |
1494 | const struct rocker_desc_info *desc_info) | |
4b8ac966 | 1495 | { |
e5054643 SH |
1496 | const struct rocker_tlv *attrs[ROCKER_TLV_EVENT_MAX + 1]; |
1497 | const struct rocker_tlv *info; | |
4b8ac966 JP |
1498 | u16 type; |
1499 | ||
1500 | rocker_tlv_parse_desc(attrs, ROCKER_TLV_EVENT_MAX, desc_info); | |
1501 | if (!attrs[ROCKER_TLV_EVENT_TYPE] || | |
1502 | !attrs[ROCKER_TLV_EVENT_INFO]) | |
1503 | return -EIO; | |
1504 | ||
1505 | type = rocker_tlv_get_u16(attrs[ROCKER_TLV_EVENT_TYPE]); | |
1506 | info = attrs[ROCKER_TLV_EVENT_INFO]; | |
1507 | ||
1508 | switch (type) { | |
1509 | case ROCKER_TLV_EVENT_TYPE_LINK_CHANGED: | |
1510 | return rocker_event_link_change(rocker, info); | |
6c707945 SF |
1511 | case ROCKER_TLV_EVENT_TYPE_MAC_VLAN_SEEN: |
1512 | return rocker_event_mac_vlan_seen(rocker, info); | |
4b8ac966 JP |
1513 | } |
1514 | ||
1515 | return -EOPNOTSUPP; | |
1516 | } | |
1517 | ||
1518 | static irqreturn_t rocker_event_irq_handler(int irq, void *dev_id) | |
1519 | { | |
1520 | struct rocker *rocker = dev_id; | |
e5054643 SH |
1521 | const struct pci_dev *pdev = rocker->pdev; |
1522 | const struct rocker_desc_info *desc_info; | |
4b8ac966 JP |
1523 | u32 credits = 0; |
1524 | int err; | |
1525 | ||
1526 | while ((desc_info = rocker_desc_tail_get(&rocker->event_ring))) { | |
1527 | err = rocker_desc_err(desc_info); | |
1528 | if (err) { | |
1529 | dev_err(&pdev->dev, "event desc received with err %d\n", | |
1530 | err); | |
1531 | } else { | |
1532 | err = rocker_event_process(rocker, desc_info); | |
1533 | if (err) | |
1534 | dev_err(&pdev->dev, "event processing failed with err %d\n", | |
1535 | err); | |
1536 | } | |
1537 | rocker_desc_gen_clear(desc_info); | |
1538 | rocker_desc_head_set(rocker, &rocker->event_ring, desc_info); | |
1539 | credits++; | |
1540 | } | |
1541 | rocker_dma_ring_credits_set(rocker, &rocker->event_ring, credits); | |
1542 | ||
1543 | return IRQ_HANDLED; | |
1544 | } | |
1545 | ||
1546 | static irqreturn_t rocker_tx_irq_handler(int irq, void *dev_id) | |
1547 | { | |
1548 | struct rocker_port *rocker_port = dev_id; | |
1549 | ||
1550 | napi_schedule(&rocker_port->napi_tx); | |
1551 | return IRQ_HANDLED; | |
1552 | } | |
1553 | ||
1554 | static irqreturn_t rocker_rx_irq_handler(int irq, void *dev_id) | |
1555 | { | |
1556 | struct rocker_port *rocker_port = dev_id; | |
1557 | ||
1558 | napi_schedule(&rocker_port->napi_rx); | |
1559 | return IRQ_HANDLED; | |
1560 | } | |
1561 | ||
1562 | /******************** | |
1563 | * Command interface | |
1564 | ********************/ | |
1565 | ||
534ba6a8 | 1566 | typedef int (*rocker_cmd_prep_cb_t)(const struct rocker_port *rocker_port, |
e5054643 SH |
1567 | struct rocker_desc_info *desc_info, |
1568 | void *priv); | |
1569 | ||
534ba6a8 | 1570 | typedef int (*rocker_cmd_proc_cb_t)(const struct rocker_port *rocker_port, |
e5054643 SH |
1571 | const struct rocker_desc_info *desc_info, |
1572 | void *priv); | |
4b8ac966 | 1573 | |
534ba6a8 | 1574 | static int rocker_cmd_exec(struct rocker_port *rocker_port, |
76c6f945 | 1575 | struct switchdev_trans *trans, int flags, |
e5054643 SH |
1576 | rocker_cmd_prep_cb_t prepare, void *prepare_priv, |
1577 | rocker_cmd_proc_cb_t process, void *process_priv) | |
4b8ac966 | 1578 | { |
534ba6a8 | 1579 | struct rocker *rocker = rocker_port->rocker; |
4b8ac966 JP |
1580 | struct rocker_desc_info *desc_info; |
1581 | struct rocker_wait *wait; | |
179f9a25 SF |
1582 | bool nowait = !!(flags & ROCKER_OP_FLAG_NOWAIT); |
1583 | unsigned long lock_flags; | |
4b8ac966 JP |
1584 | int err; |
1585 | ||
76c6f945 | 1586 | wait = rocker_wait_create(rocker_port, trans, flags); |
4b8ac966 JP |
1587 | if (!wait) |
1588 | return -ENOMEM; | |
179f9a25 | 1589 | wait->nowait = nowait; |
4b8ac966 | 1590 | |
179f9a25 | 1591 | spin_lock_irqsave(&rocker->cmd_ring_lock, lock_flags); |
c4f20321 | 1592 | |
4b8ac966 JP |
1593 | desc_info = rocker_desc_head_get(&rocker->cmd_ring); |
1594 | if (!desc_info) { | |
179f9a25 | 1595 | spin_unlock_irqrestore(&rocker->cmd_ring_lock, lock_flags); |
4b8ac966 JP |
1596 | err = -EAGAIN; |
1597 | goto out; | |
1598 | } | |
c4f20321 | 1599 | |
534ba6a8 | 1600 | err = prepare(rocker_port, desc_info, prepare_priv); |
4b8ac966 | 1601 | if (err) { |
179f9a25 | 1602 | spin_unlock_irqrestore(&rocker->cmd_ring_lock, lock_flags); |
4b8ac966 JP |
1603 | goto out; |
1604 | } | |
c4f20321 | 1605 | |
4b8ac966 | 1606 | rocker_desc_cookie_ptr_set(desc_info, wait); |
4b8ac966 | 1607 | |
76c6f945 | 1608 | if (!switchdev_trans_ph_prepare(trans)) |
c4f20321 | 1609 | rocker_desc_head_set(rocker, &rocker->cmd_ring, desc_info); |
4b8ac966 | 1610 | |
179f9a25 SF |
1611 | spin_unlock_irqrestore(&rocker->cmd_ring_lock, lock_flags); |
1612 | ||
1613 | if (nowait) | |
1614 | return 0; | |
c4f20321 | 1615 | |
76c6f945 | 1616 | if (!switchdev_trans_ph_prepare(trans)) |
c4f20321 SF |
1617 | if (!rocker_wait_event_timeout(wait, HZ / 10)) |
1618 | return -EIO; | |
4b8ac966 JP |
1619 | |
1620 | err = rocker_desc_err(desc_info); | |
1621 | if (err) | |
1622 | return err; | |
1623 | ||
1624 | if (process) | |
534ba6a8 | 1625 | err = process(rocker_port, desc_info, process_priv); |
4b8ac966 JP |
1626 | |
1627 | rocker_desc_gen_clear(desc_info); | |
1628 | out: | |
76c6f945 | 1629 | rocker_wait_destroy(trans, wait); |
4b8ac966 JP |
1630 | return err; |
1631 | } | |
1632 | ||
1633 | static int | |
534ba6a8 | 1634 | rocker_cmd_get_port_settings_prep(const struct rocker_port *rocker_port, |
4b8ac966 JP |
1635 | struct rocker_desc_info *desc_info, |
1636 | void *priv) | |
1637 | { | |
1638 | struct rocker_tlv *cmd_info; | |
1639 | ||
1640 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, | |
1641 | ROCKER_TLV_CMD_TYPE_GET_PORT_SETTINGS)) | |
1642 | return -EMSGSIZE; | |
1643 | cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
1644 | if (!cmd_info) | |
1645 | return -EMSGSIZE; | |
4a6bb6d3 SF |
1646 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_PPORT, |
1647 | rocker_port->pport)) | |
4b8ac966 JP |
1648 | return -EMSGSIZE; |
1649 | rocker_tlv_nest_end(desc_info, cmd_info); | |
1650 | return 0; | |
1651 | } | |
1652 | ||
1653 | static int | |
534ba6a8 | 1654 | rocker_cmd_get_port_settings_ethtool_proc(const struct rocker_port *rocker_port, |
e5054643 | 1655 | const struct rocker_desc_info *desc_info, |
4b8ac966 JP |
1656 | void *priv) |
1657 | { | |
1658 | struct ethtool_cmd *ecmd = priv; | |
e5054643 SH |
1659 | const struct rocker_tlv *attrs[ROCKER_TLV_CMD_MAX + 1]; |
1660 | const struct rocker_tlv *info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_MAX + 1]; | |
4b8ac966 JP |
1661 | u32 speed; |
1662 | u8 duplex; | |
1663 | u8 autoneg; | |
1664 | ||
1665 | rocker_tlv_parse_desc(attrs, ROCKER_TLV_CMD_MAX, desc_info); | |
1666 | if (!attrs[ROCKER_TLV_CMD_INFO]) | |
1667 | return -EIO; | |
1668 | ||
1669 | rocker_tlv_parse_nested(info_attrs, ROCKER_TLV_CMD_PORT_SETTINGS_MAX, | |
1670 | attrs[ROCKER_TLV_CMD_INFO]); | |
1671 | if (!info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_SPEED] || | |
1672 | !info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_DUPLEX] || | |
1673 | !info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_AUTONEG]) | |
1674 | return -EIO; | |
1675 | ||
1676 | speed = rocker_tlv_get_u32(info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_SPEED]); | |
1677 | duplex = rocker_tlv_get_u8(info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_DUPLEX]); | |
1678 | autoneg = rocker_tlv_get_u8(info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_AUTONEG]); | |
1679 | ||
1680 | ecmd->transceiver = XCVR_INTERNAL; | |
1681 | ecmd->supported = SUPPORTED_TP; | |
1682 | ecmd->phy_address = 0xff; | |
1683 | ecmd->port = PORT_TP; | |
1684 | ethtool_cmd_speed_set(ecmd, speed); | |
1685 | ecmd->duplex = duplex ? DUPLEX_FULL : DUPLEX_HALF; | |
1686 | ecmd->autoneg = autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE; | |
1687 | ||
1688 | return 0; | |
1689 | } | |
1690 | ||
1691 | static int | |
534ba6a8 | 1692 | rocker_cmd_get_port_settings_macaddr_proc(const struct rocker_port *rocker_port, |
e5054643 | 1693 | const struct rocker_desc_info *desc_info, |
4b8ac966 JP |
1694 | void *priv) |
1695 | { | |
1696 | unsigned char *macaddr = priv; | |
e5054643 SH |
1697 | const struct rocker_tlv *attrs[ROCKER_TLV_CMD_MAX + 1]; |
1698 | const struct rocker_tlv *info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_MAX + 1]; | |
1699 | const struct rocker_tlv *attr; | |
4b8ac966 JP |
1700 | |
1701 | rocker_tlv_parse_desc(attrs, ROCKER_TLV_CMD_MAX, desc_info); | |
1702 | if (!attrs[ROCKER_TLV_CMD_INFO]) | |
1703 | return -EIO; | |
1704 | ||
1705 | rocker_tlv_parse_nested(info_attrs, ROCKER_TLV_CMD_PORT_SETTINGS_MAX, | |
1706 | attrs[ROCKER_TLV_CMD_INFO]); | |
1707 | attr = info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_MACADDR]; | |
1708 | if (!attr) | |
1709 | return -EIO; | |
1710 | ||
1711 | if (rocker_tlv_len(attr) != ETH_ALEN) | |
1712 | return -EINVAL; | |
1713 | ||
1714 | ether_addr_copy(macaddr, rocker_tlv_data(attr)); | |
1715 | return 0; | |
1716 | } | |
1717 | ||
db19170b DA |
1718 | struct port_name { |
1719 | char *buf; | |
1720 | size_t len; | |
1721 | }; | |
1722 | ||
1723 | static int | |
534ba6a8 | 1724 | rocker_cmd_get_port_settings_phys_name_proc(const struct rocker_port *rocker_port, |
e5054643 | 1725 | const struct rocker_desc_info *desc_info, |
db19170b DA |
1726 | void *priv) |
1727 | { | |
e5054643 SH |
1728 | const struct rocker_tlv *info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_MAX + 1]; |
1729 | const struct rocker_tlv *attrs[ROCKER_TLV_CMD_MAX + 1]; | |
db19170b | 1730 | struct port_name *name = priv; |
e5054643 | 1731 | const struct rocker_tlv *attr; |
db19170b | 1732 | size_t i, j, len; |
e5054643 | 1733 | const char *str; |
db19170b DA |
1734 | |
1735 | rocker_tlv_parse_desc(attrs, ROCKER_TLV_CMD_MAX, desc_info); | |
1736 | if (!attrs[ROCKER_TLV_CMD_INFO]) | |
1737 | return -EIO; | |
1738 | ||
1739 | rocker_tlv_parse_nested(info_attrs, ROCKER_TLV_CMD_PORT_SETTINGS_MAX, | |
1740 | attrs[ROCKER_TLV_CMD_INFO]); | |
1741 | attr = info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_PHYS_NAME]; | |
1742 | if (!attr) | |
1743 | return -EIO; | |
1744 | ||
1745 | len = min_t(size_t, rocker_tlv_len(attr), name->len); | |
1746 | str = rocker_tlv_data(attr); | |
1747 | ||
1748 | /* make sure name only contains alphanumeric characters */ | |
1749 | for (i = j = 0; i < len; ++i) { | |
1750 | if (isalnum(str[i])) { | |
1751 | name->buf[j] = str[i]; | |
1752 | j++; | |
1753 | } | |
1754 | } | |
1755 | ||
1756 | if (j == 0) | |
1757 | return -EIO; | |
1758 | ||
1759 | name->buf[j] = '\0'; | |
1760 | ||
1761 | return 0; | |
1762 | } | |
1763 | ||
4b8ac966 | 1764 | static int |
534ba6a8 | 1765 | rocker_cmd_set_port_settings_ethtool_prep(const struct rocker_port *rocker_port, |
4b8ac966 JP |
1766 | struct rocker_desc_info *desc_info, |
1767 | void *priv) | |
1768 | { | |
1769 | struct ethtool_cmd *ecmd = priv; | |
1770 | struct rocker_tlv *cmd_info; | |
1771 | ||
1772 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, | |
1773 | ROCKER_TLV_CMD_TYPE_SET_PORT_SETTINGS)) | |
1774 | return -EMSGSIZE; | |
1775 | cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
1776 | if (!cmd_info) | |
1777 | return -EMSGSIZE; | |
4a6bb6d3 SF |
1778 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_PPORT, |
1779 | rocker_port->pport)) | |
4b8ac966 JP |
1780 | return -EMSGSIZE; |
1781 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_SPEED, | |
1782 | ethtool_cmd_speed(ecmd))) | |
1783 | return -EMSGSIZE; | |
1784 | if (rocker_tlv_put_u8(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_DUPLEX, | |
1785 | ecmd->duplex)) | |
1786 | return -EMSGSIZE; | |
1787 | if (rocker_tlv_put_u8(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_AUTONEG, | |
1788 | ecmd->autoneg)) | |
1789 | return -EMSGSIZE; | |
1790 | rocker_tlv_nest_end(desc_info, cmd_info); | |
1791 | return 0; | |
1792 | } | |
1793 | ||
1794 | static int | |
534ba6a8 | 1795 | rocker_cmd_set_port_settings_macaddr_prep(const struct rocker_port *rocker_port, |
4b8ac966 JP |
1796 | struct rocker_desc_info *desc_info, |
1797 | void *priv) | |
1798 | { | |
e5054643 | 1799 | const unsigned char *macaddr = priv; |
4b8ac966 JP |
1800 | struct rocker_tlv *cmd_info; |
1801 | ||
1802 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, | |
1803 | ROCKER_TLV_CMD_TYPE_SET_PORT_SETTINGS)) | |
1804 | return -EMSGSIZE; | |
1805 | cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
1806 | if (!cmd_info) | |
1807 | return -EMSGSIZE; | |
4a6bb6d3 SF |
1808 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_PPORT, |
1809 | rocker_port->pport)) | |
4b8ac966 JP |
1810 | return -EMSGSIZE; |
1811 | if (rocker_tlv_put(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_MACADDR, | |
1812 | ETH_ALEN, macaddr)) | |
1813 | return -EMSGSIZE; | |
1814 | rocker_tlv_nest_end(desc_info, cmd_info); | |
1815 | return 0; | |
1816 | } | |
1817 | ||
77a58c74 SF |
1818 | static int |
1819 | rocker_cmd_set_port_settings_mtu_prep(const struct rocker_port *rocker_port, | |
1820 | struct rocker_desc_info *desc_info, | |
1821 | void *priv) | |
1822 | { | |
1823 | int mtu = *(int *)priv; | |
1824 | struct rocker_tlv *cmd_info; | |
1825 | ||
1826 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, | |
1827 | ROCKER_TLV_CMD_TYPE_SET_PORT_SETTINGS)) | |
1828 | return -EMSGSIZE; | |
1829 | cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
1830 | if (!cmd_info) | |
1831 | return -EMSGSIZE; | |
1832 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_PPORT, | |
1833 | rocker_port->pport)) | |
1834 | return -EMSGSIZE; | |
1835 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_MTU, | |
1836 | mtu)) | |
1837 | return -EMSGSIZE; | |
1838 | rocker_tlv_nest_end(desc_info, cmd_info); | |
1839 | return 0; | |
1840 | } | |
1841 | ||
5111f80c | 1842 | static int |
534ba6a8 | 1843 | rocker_cmd_set_port_learning_prep(const struct rocker_port *rocker_port, |
5111f80c SF |
1844 | struct rocker_desc_info *desc_info, |
1845 | void *priv) | |
1846 | { | |
1847 | struct rocker_tlv *cmd_info; | |
1848 | ||
1849 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, | |
1850 | ROCKER_TLV_CMD_TYPE_SET_PORT_SETTINGS)) | |
1851 | return -EMSGSIZE; | |
1852 | cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
1853 | if (!cmd_info) | |
1854 | return -EMSGSIZE; | |
4a6bb6d3 SF |
1855 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_PPORT, |
1856 | rocker_port->pport)) | |
5111f80c SF |
1857 | return -EMSGSIZE; |
1858 | if (rocker_tlv_put_u8(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_LEARNING, | |
1859 | !!(rocker_port->brport_flags & BR_LEARNING))) | |
1860 | return -EMSGSIZE; | |
1861 | rocker_tlv_nest_end(desc_info, cmd_info); | |
1862 | return 0; | |
1863 | } | |
1864 | ||
4b8ac966 JP |
1865 | static int rocker_cmd_get_port_settings_ethtool(struct rocker_port *rocker_port, |
1866 | struct ethtool_cmd *ecmd) | |
1867 | { | |
76c6f945 | 1868 | return rocker_cmd_exec(rocker_port, NULL, 0, |
4b8ac966 JP |
1869 | rocker_cmd_get_port_settings_prep, NULL, |
1870 | rocker_cmd_get_port_settings_ethtool_proc, | |
c4f20321 | 1871 | ecmd); |
4b8ac966 JP |
1872 | } |
1873 | ||
1874 | static int rocker_cmd_get_port_settings_macaddr(struct rocker_port *rocker_port, | |
1875 | unsigned char *macaddr) | |
1876 | { | |
76c6f945 | 1877 | return rocker_cmd_exec(rocker_port, NULL, 0, |
4b8ac966 JP |
1878 | rocker_cmd_get_port_settings_prep, NULL, |
1879 | rocker_cmd_get_port_settings_macaddr_proc, | |
c4f20321 | 1880 | macaddr); |
4b8ac966 JP |
1881 | } |
1882 | ||
1883 | static int rocker_cmd_set_port_settings_ethtool(struct rocker_port *rocker_port, | |
1884 | struct ethtool_cmd *ecmd) | |
1885 | { | |
76c6f945 | 1886 | return rocker_cmd_exec(rocker_port, NULL, 0, |
4b8ac966 | 1887 | rocker_cmd_set_port_settings_ethtool_prep, |
c4f20321 | 1888 | ecmd, NULL, NULL); |
4b8ac966 JP |
1889 | } |
1890 | ||
1891 | static int rocker_cmd_set_port_settings_macaddr(struct rocker_port *rocker_port, | |
1892 | unsigned char *macaddr) | |
1893 | { | |
76c6f945 | 1894 | return rocker_cmd_exec(rocker_port, NULL, 0, |
4b8ac966 | 1895 | rocker_cmd_set_port_settings_macaddr_prep, |
c4f20321 | 1896 | macaddr, NULL, NULL); |
4b8ac966 JP |
1897 | } |
1898 | ||
77a58c74 SF |
1899 | static int rocker_cmd_set_port_settings_mtu(struct rocker_port *rocker_port, |
1900 | int mtu) | |
1901 | { | |
76c6f945 | 1902 | return rocker_cmd_exec(rocker_port, NULL, 0, |
77a58c74 SF |
1903 | rocker_cmd_set_port_settings_mtu_prep, |
1904 | &mtu, NULL, NULL); | |
1905 | } | |
1906 | ||
c4f20321 | 1907 | static int rocker_port_set_learning(struct rocker_port *rocker_port, |
76c6f945 | 1908 | struct switchdev_trans *trans) |
5111f80c | 1909 | { |
76c6f945 | 1910 | return rocker_cmd_exec(rocker_port, trans, 0, |
5111f80c | 1911 | rocker_cmd_set_port_learning_prep, |
c4f20321 | 1912 | NULL, NULL, NULL); |
5111f80c SF |
1913 | } |
1914 | ||
e5054643 SH |
1915 | static int |
1916 | rocker_cmd_flow_tbl_add_ig_port(struct rocker_desc_info *desc_info, | |
1917 | const struct rocker_flow_tbl_entry *entry) | |
9f6bbf7c | 1918 | { |
4a6bb6d3 SF |
1919 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_IN_PPORT, |
1920 | entry->key.ig_port.in_pport)) | |
9f6bbf7c | 1921 | return -EMSGSIZE; |
4a6bb6d3 SF |
1922 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_IN_PPORT_MASK, |
1923 | entry->key.ig_port.in_pport_mask)) | |
9f6bbf7c SF |
1924 | return -EMSGSIZE; |
1925 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_GOTO_TABLE_ID, | |
1926 | entry->key.ig_port.goto_tbl)) | |
1927 | return -EMSGSIZE; | |
1928 | ||
1929 | return 0; | |
1930 | } | |
1931 | ||
e5054643 SH |
1932 | static int |
1933 | rocker_cmd_flow_tbl_add_vlan(struct rocker_desc_info *desc_info, | |
1934 | const struct rocker_flow_tbl_entry *entry) | |
9f6bbf7c | 1935 | { |
4a6bb6d3 SF |
1936 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_IN_PPORT, |
1937 | entry->key.vlan.in_pport)) | |
9f6bbf7c | 1938 | return -EMSGSIZE; |
9b03c71f JP |
1939 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID, |
1940 | entry->key.vlan.vlan_id)) | |
9f6bbf7c | 1941 | return -EMSGSIZE; |
9b03c71f JP |
1942 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID_MASK, |
1943 | entry->key.vlan.vlan_id_mask)) | |
9f6bbf7c SF |
1944 | return -EMSGSIZE; |
1945 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_GOTO_TABLE_ID, | |
1946 | entry->key.vlan.goto_tbl)) | |
1947 | return -EMSGSIZE; | |
1948 | if (entry->key.vlan.untagged && | |
9b03c71f JP |
1949 | rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_NEW_VLAN_ID, |
1950 | entry->key.vlan.new_vlan_id)) | |
9f6bbf7c SF |
1951 | return -EMSGSIZE; |
1952 | ||
1953 | return 0; | |
1954 | } | |
1955 | ||
e5054643 SH |
1956 | static int |
1957 | rocker_cmd_flow_tbl_add_term_mac(struct rocker_desc_info *desc_info, | |
1958 | const struct rocker_flow_tbl_entry *entry) | |
9f6bbf7c | 1959 | { |
4a6bb6d3 SF |
1960 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_IN_PPORT, |
1961 | entry->key.term_mac.in_pport)) | |
9f6bbf7c | 1962 | return -EMSGSIZE; |
4a6bb6d3 SF |
1963 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_IN_PPORT_MASK, |
1964 | entry->key.term_mac.in_pport_mask)) | |
9f6bbf7c | 1965 | return -EMSGSIZE; |
9b03c71f JP |
1966 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_ETHERTYPE, |
1967 | entry->key.term_mac.eth_type)) | |
9f6bbf7c SF |
1968 | return -EMSGSIZE; |
1969 | if (rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC, | |
1970 | ETH_ALEN, entry->key.term_mac.eth_dst)) | |
1971 | return -EMSGSIZE; | |
1972 | if (rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC_MASK, | |
1973 | ETH_ALEN, entry->key.term_mac.eth_dst_mask)) | |
1974 | return -EMSGSIZE; | |
9b03c71f JP |
1975 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID, |
1976 | entry->key.term_mac.vlan_id)) | |
9f6bbf7c | 1977 | return -EMSGSIZE; |
9b03c71f JP |
1978 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID_MASK, |
1979 | entry->key.term_mac.vlan_id_mask)) | |
9f6bbf7c SF |
1980 | return -EMSGSIZE; |
1981 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_GOTO_TABLE_ID, | |
1982 | entry->key.term_mac.goto_tbl)) | |
1983 | return -EMSGSIZE; | |
1984 | if (entry->key.term_mac.copy_to_cpu && | |
1985 | rocker_tlv_put_u8(desc_info, ROCKER_TLV_OF_DPA_COPY_CPU_ACTION, | |
1986 | entry->key.term_mac.copy_to_cpu)) | |
1987 | return -EMSGSIZE; | |
1988 | ||
1989 | return 0; | |
1990 | } | |
1991 | ||
1992 | static int | |
1993 | rocker_cmd_flow_tbl_add_ucast_routing(struct rocker_desc_info *desc_info, | |
e5054643 | 1994 | const struct rocker_flow_tbl_entry *entry) |
9f6bbf7c | 1995 | { |
9b03c71f JP |
1996 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_ETHERTYPE, |
1997 | entry->key.ucast_routing.eth_type)) | |
9f6bbf7c | 1998 | return -EMSGSIZE; |
9b03c71f JP |
1999 | if (rocker_tlv_put_be32(desc_info, ROCKER_TLV_OF_DPA_DST_IP, |
2000 | entry->key.ucast_routing.dst4)) | |
9f6bbf7c | 2001 | return -EMSGSIZE; |
9b03c71f JP |
2002 | if (rocker_tlv_put_be32(desc_info, ROCKER_TLV_OF_DPA_DST_IP_MASK, |
2003 | entry->key.ucast_routing.dst4_mask)) | |
9f6bbf7c SF |
2004 | return -EMSGSIZE; |
2005 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_GOTO_TABLE_ID, | |
2006 | entry->key.ucast_routing.goto_tbl)) | |
2007 | return -EMSGSIZE; | |
2008 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_GROUP_ID, | |
2009 | entry->key.ucast_routing.group_id)) | |
2010 | return -EMSGSIZE; | |
2011 | ||
2012 | return 0; | |
2013 | } | |
2014 | ||
e5054643 SH |
2015 | static int |
2016 | rocker_cmd_flow_tbl_add_bridge(struct rocker_desc_info *desc_info, | |
2017 | const struct rocker_flow_tbl_entry *entry) | |
9f6bbf7c SF |
2018 | { |
2019 | if (entry->key.bridge.has_eth_dst && | |
2020 | rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC, | |
2021 | ETH_ALEN, entry->key.bridge.eth_dst)) | |
2022 | return -EMSGSIZE; | |
2023 | if (entry->key.bridge.has_eth_dst_mask && | |
2024 | rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC_MASK, | |
2025 | ETH_ALEN, entry->key.bridge.eth_dst_mask)) | |
2026 | return -EMSGSIZE; | |
2027 | if (entry->key.bridge.vlan_id && | |
9b03c71f JP |
2028 | rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID, |
2029 | entry->key.bridge.vlan_id)) | |
9f6bbf7c SF |
2030 | return -EMSGSIZE; |
2031 | if (entry->key.bridge.tunnel_id && | |
2032 | rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_TUNNEL_ID, | |
2033 | entry->key.bridge.tunnel_id)) | |
2034 | return -EMSGSIZE; | |
2035 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_GOTO_TABLE_ID, | |
2036 | entry->key.bridge.goto_tbl)) | |
2037 | return -EMSGSIZE; | |
2038 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_GROUP_ID, | |
2039 | entry->key.bridge.group_id)) | |
2040 | return -EMSGSIZE; | |
2041 | if (entry->key.bridge.copy_to_cpu && | |
2042 | rocker_tlv_put_u8(desc_info, ROCKER_TLV_OF_DPA_COPY_CPU_ACTION, | |
2043 | entry->key.bridge.copy_to_cpu)) | |
2044 | return -EMSGSIZE; | |
2045 | ||
2046 | return 0; | |
2047 | } | |
2048 | ||
e5054643 SH |
2049 | static int |
2050 | rocker_cmd_flow_tbl_add_acl(struct rocker_desc_info *desc_info, | |
2051 | const struct rocker_flow_tbl_entry *entry) | |
9f6bbf7c | 2052 | { |
4a6bb6d3 SF |
2053 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_IN_PPORT, |
2054 | entry->key.acl.in_pport)) | |
9f6bbf7c | 2055 | return -EMSGSIZE; |
4a6bb6d3 SF |
2056 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_IN_PPORT_MASK, |
2057 | entry->key.acl.in_pport_mask)) | |
9f6bbf7c SF |
2058 | return -EMSGSIZE; |
2059 | if (rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_SRC_MAC, | |
2060 | ETH_ALEN, entry->key.acl.eth_src)) | |
2061 | return -EMSGSIZE; | |
2062 | if (rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_SRC_MAC_MASK, | |
2063 | ETH_ALEN, entry->key.acl.eth_src_mask)) | |
2064 | return -EMSGSIZE; | |
2065 | if (rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC, | |
2066 | ETH_ALEN, entry->key.acl.eth_dst)) | |
2067 | return -EMSGSIZE; | |
2068 | if (rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC_MASK, | |
2069 | ETH_ALEN, entry->key.acl.eth_dst_mask)) | |
2070 | return -EMSGSIZE; | |
9b03c71f JP |
2071 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_ETHERTYPE, |
2072 | entry->key.acl.eth_type)) | |
9f6bbf7c | 2073 | return -EMSGSIZE; |
9b03c71f JP |
2074 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID, |
2075 | entry->key.acl.vlan_id)) | |
9f6bbf7c | 2076 | return -EMSGSIZE; |
9b03c71f JP |
2077 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID_MASK, |
2078 | entry->key.acl.vlan_id_mask)) | |
9f6bbf7c SF |
2079 | return -EMSGSIZE; |
2080 | ||
2081 | switch (ntohs(entry->key.acl.eth_type)) { | |
2082 | case ETH_P_IP: | |
2083 | case ETH_P_IPV6: | |
2084 | if (rocker_tlv_put_u8(desc_info, ROCKER_TLV_OF_DPA_IP_PROTO, | |
2085 | entry->key.acl.ip_proto)) | |
2086 | return -EMSGSIZE; | |
2087 | if (rocker_tlv_put_u8(desc_info, | |
2088 | ROCKER_TLV_OF_DPA_IP_PROTO_MASK, | |
2089 | entry->key.acl.ip_proto_mask)) | |
2090 | return -EMSGSIZE; | |
2091 | if (rocker_tlv_put_u8(desc_info, ROCKER_TLV_OF_DPA_IP_DSCP, | |
2092 | entry->key.acl.ip_tos & 0x3f)) | |
2093 | return -EMSGSIZE; | |
2094 | if (rocker_tlv_put_u8(desc_info, | |
2095 | ROCKER_TLV_OF_DPA_IP_DSCP_MASK, | |
2096 | entry->key.acl.ip_tos_mask & 0x3f)) | |
2097 | return -EMSGSIZE; | |
2098 | if (rocker_tlv_put_u8(desc_info, ROCKER_TLV_OF_DPA_IP_ECN, | |
2099 | (entry->key.acl.ip_tos & 0xc0) >> 6)) | |
2100 | return -EMSGSIZE; | |
2101 | if (rocker_tlv_put_u8(desc_info, | |
2102 | ROCKER_TLV_OF_DPA_IP_ECN_MASK, | |
2103 | (entry->key.acl.ip_tos_mask & 0xc0) >> 6)) | |
2104 | return -EMSGSIZE; | |
2105 | break; | |
2106 | } | |
2107 | ||
2108 | if (entry->key.acl.group_id != ROCKER_GROUP_NONE && | |
2109 | rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_GROUP_ID, | |
2110 | entry->key.acl.group_id)) | |
2111 | return -EMSGSIZE; | |
2112 | ||
2113 | return 0; | |
2114 | } | |
2115 | ||
534ba6a8 | 2116 | static int rocker_cmd_flow_tbl_add(const struct rocker_port *rocker_port, |
9f6bbf7c SF |
2117 | struct rocker_desc_info *desc_info, |
2118 | void *priv) | |
2119 | { | |
e5054643 | 2120 | const struct rocker_flow_tbl_entry *entry = priv; |
9f6bbf7c SF |
2121 | struct rocker_tlv *cmd_info; |
2122 | int err = 0; | |
2123 | ||
c1beeef7 | 2124 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, entry->cmd)) |
9f6bbf7c SF |
2125 | return -EMSGSIZE; |
2126 | cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
2127 | if (!cmd_info) | |
2128 | return -EMSGSIZE; | |
2129 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_TABLE_ID, | |
2130 | entry->key.tbl_id)) | |
2131 | return -EMSGSIZE; | |
2132 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_PRIORITY, | |
2133 | entry->key.priority)) | |
2134 | return -EMSGSIZE; | |
2135 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_HARDTIME, 0)) | |
2136 | return -EMSGSIZE; | |
2137 | if (rocker_tlv_put_u64(desc_info, ROCKER_TLV_OF_DPA_COOKIE, | |
2138 | entry->cookie)) | |
2139 | return -EMSGSIZE; | |
2140 | ||
2141 | switch (entry->key.tbl_id) { | |
2142 | case ROCKER_OF_DPA_TABLE_ID_INGRESS_PORT: | |
2143 | err = rocker_cmd_flow_tbl_add_ig_port(desc_info, entry); | |
2144 | break; | |
2145 | case ROCKER_OF_DPA_TABLE_ID_VLAN: | |
2146 | err = rocker_cmd_flow_tbl_add_vlan(desc_info, entry); | |
2147 | break; | |
2148 | case ROCKER_OF_DPA_TABLE_ID_TERMINATION_MAC: | |
2149 | err = rocker_cmd_flow_tbl_add_term_mac(desc_info, entry); | |
2150 | break; | |
2151 | case ROCKER_OF_DPA_TABLE_ID_UNICAST_ROUTING: | |
2152 | err = rocker_cmd_flow_tbl_add_ucast_routing(desc_info, entry); | |
2153 | break; | |
2154 | case ROCKER_OF_DPA_TABLE_ID_BRIDGING: | |
2155 | err = rocker_cmd_flow_tbl_add_bridge(desc_info, entry); | |
2156 | break; | |
2157 | case ROCKER_OF_DPA_TABLE_ID_ACL_POLICY: | |
2158 | err = rocker_cmd_flow_tbl_add_acl(desc_info, entry); | |
2159 | break; | |
2160 | default: | |
2161 | err = -ENOTSUPP; | |
2162 | break; | |
2163 | } | |
2164 | ||
2165 | if (err) | |
2166 | return err; | |
2167 | ||
2168 | rocker_tlv_nest_end(desc_info, cmd_info); | |
2169 | ||
2170 | return 0; | |
2171 | } | |
2172 | ||
534ba6a8 | 2173 | static int rocker_cmd_flow_tbl_del(const struct rocker_port *rocker_port, |
9f6bbf7c SF |
2174 | struct rocker_desc_info *desc_info, |
2175 | void *priv) | |
2176 | { | |
2177 | const struct rocker_flow_tbl_entry *entry = priv; | |
2178 | struct rocker_tlv *cmd_info; | |
2179 | ||
c1beeef7 | 2180 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, entry->cmd)) |
9f6bbf7c SF |
2181 | return -EMSGSIZE; |
2182 | cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
2183 | if (!cmd_info) | |
2184 | return -EMSGSIZE; | |
2185 | if (rocker_tlv_put_u64(desc_info, ROCKER_TLV_OF_DPA_COOKIE, | |
2186 | entry->cookie)) | |
2187 | return -EMSGSIZE; | |
2188 | rocker_tlv_nest_end(desc_info, cmd_info); | |
2189 | ||
2190 | return 0; | |
2191 | } | |
2192 | ||
2193 | static int | |
2194 | rocker_cmd_group_tbl_add_l2_interface(struct rocker_desc_info *desc_info, | |
2195 | struct rocker_group_tbl_entry *entry) | |
2196 | { | |
4a6bb6d3 | 2197 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_OUT_PPORT, |
9f6bbf7c SF |
2198 | ROCKER_GROUP_PORT_GET(entry->group_id))) |
2199 | return -EMSGSIZE; | |
2200 | if (rocker_tlv_put_u8(desc_info, ROCKER_TLV_OF_DPA_POP_VLAN, | |
2201 | entry->l2_interface.pop_vlan)) | |
2202 | return -EMSGSIZE; | |
2203 | ||
2204 | return 0; | |
2205 | } | |
2206 | ||
2207 | static int | |
2208 | rocker_cmd_group_tbl_add_l2_rewrite(struct rocker_desc_info *desc_info, | |
e5054643 | 2209 | const struct rocker_group_tbl_entry *entry) |
9f6bbf7c SF |
2210 | { |
2211 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_GROUP_ID_LOWER, | |
2212 | entry->l2_rewrite.group_id)) | |
2213 | return -EMSGSIZE; | |
2214 | if (!is_zero_ether_addr(entry->l2_rewrite.eth_src) && | |
2215 | rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_SRC_MAC, | |
2216 | ETH_ALEN, entry->l2_rewrite.eth_src)) | |
2217 | return -EMSGSIZE; | |
2218 | if (!is_zero_ether_addr(entry->l2_rewrite.eth_dst) && | |
2219 | rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC, | |
2220 | ETH_ALEN, entry->l2_rewrite.eth_dst)) | |
2221 | return -EMSGSIZE; | |
2222 | if (entry->l2_rewrite.vlan_id && | |
9b03c71f JP |
2223 | rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID, |
2224 | entry->l2_rewrite.vlan_id)) | |
9f6bbf7c SF |
2225 | return -EMSGSIZE; |
2226 | ||
2227 | return 0; | |
2228 | } | |
2229 | ||
2230 | static int | |
2231 | rocker_cmd_group_tbl_add_group_ids(struct rocker_desc_info *desc_info, | |
e5054643 | 2232 | const struct rocker_group_tbl_entry *entry) |
9f6bbf7c SF |
2233 | { |
2234 | int i; | |
2235 | struct rocker_tlv *group_ids; | |
2236 | ||
2237 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_GROUP_COUNT, | |
2238 | entry->group_count)) | |
2239 | return -EMSGSIZE; | |
2240 | ||
2241 | group_ids = rocker_tlv_nest_start(desc_info, | |
2242 | ROCKER_TLV_OF_DPA_GROUP_IDS); | |
2243 | if (!group_ids) | |
2244 | return -EMSGSIZE; | |
2245 | ||
2246 | for (i = 0; i < entry->group_count; i++) | |
2247 | /* Note TLV array is 1-based */ | |
2248 | if (rocker_tlv_put_u32(desc_info, i + 1, entry->group_ids[i])) | |
2249 | return -EMSGSIZE; | |
2250 | ||
2251 | rocker_tlv_nest_end(desc_info, group_ids); | |
2252 | ||
2253 | return 0; | |
2254 | } | |
2255 | ||
2256 | static int | |
2257 | rocker_cmd_group_tbl_add_l3_unicast(struct rocker_desc_info *desc_info, | |
e5054643 | 2258 | const struct rocker_group_tbl_entry *entry) |
9f6bbf7c SF |
2259 | { |
2260 | if (!is_zero_ether_addr(entry->l3_unicast.eth_src) && | |
2261 | rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_SRC_MAC, | |
2262 | ETH_ALEN, entry->l3_unicast.eth_src)) | |
2263 | return -EMSGSIZE; | |
2264 | if (!is_zero_ether_addr(entry->l3_unicast.eth_dst) && | |
2265 | rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC, | |
2266 | ETH_ALEN, entry->l3_unicast.eth_dst)) | |
2267 | return -EMSGSIZE; | |
2268 | if (entry->l3_unicast.vlan_id && | |
9b03c71f JP |
2269 | rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID, |
2270 | entry->l3_unicast.vlan_id)) | |
9f6bbf7c SF |
2271 | return -EMSGSIZE; |
2272 | if (rocker_tlv_put_u8(desc_info, ROCKER_TLV_OF_DPA_TTL_CHECK, | |
2273 | entry->l3_unicast.ttl_check)) | |
2274 | return -EMSGSIZE; | |
2275 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_GROUP_ID_LOWER, | |
2276 | entry->l3_unicast.group_id)) | |
2277 | return -EMSGSIZE; | |
2278 | ||
2279 | return 0; | |
2280 | } | |
2281 | ||
534ba6a8 | 2282 | static int rocker_cmd_group_tbl_add(const struct rocker_port *rocker_port, |
9f6bbf7c SF |
2283 | struct rocker_desc_info *desc_info, |
2284 | void *priv) | |
2285 | { | |
2286 | struct rocker_group_tbl_entry *entry = priv; | |
2287 | struct rocker_tlv *cmd_info; | |
2288 | int err = 0; | |
2289 | ||
2290 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, entry->cmd)) | |
2291 | return -EMSGSIZE; | |
2292 | cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
2293 | if (!cmd_info) | |
2294 | return -EMSGSIZE; | |
2295 | ||
2296 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_GROUP_ID, | |
2297 | entry->group_id)) | |
2298 | return -EMSGSIZE; | |
2299 | ||
2300 | switch (ROCKER_GROUP_TYPE_GET(entry->group_id)) { | |
2301 | case ROCKER_OF_DPA_GROUP_TYPE_L2_INTERFACE: | |
2302 | err = rocker_cmd_group_tbl_add_l2_interface(desc_info, entry); | |
2303 | break; | |
2304 | case ROCKER_OF_DPA_GROUP_TYPE_L2_REWRITE: | |
2305 | err = rocker_cmd_group_tbl_add_l2_rewrite(desc_info, entry); | |
2306 | break; | |
2307 | case ROCKER_OF_DPA_GROUP_TYPE_L2_FLOOD: | |
2308 | case ROCKER_OF_DPA_GROUP_TYPE_L2_MCAST: | |
2309 | err = rocker_cmd_group_tbl_add_group_ids(desc_info, entry); | |
2310 | break; | |
2311 | case ROCKER_OF_DPA_GROUP_TYPE_L3_UCAST: | |
2312 | err = rocker_cmd_group_tbl_add_l3_unicast(desc_info, entry); | |
2313 | break; | |
2314 | default: | |
2315 | err = -ENOTSUPP; | |
2316 | break; | |
2317 | } | |
2318 | ||
2319 | if (err) | |
2320 | return err; | |
2321 | ||
2322 | rocker_tlv_nest_end(desc_info, cmd_info); | |
2323 | ||
2324 | return 0; | |
2325 | } | |
2326 | ||
534ba6a8 | 2327 | static int rocker_cmd_group_tbl_del(const struct rocker_port *rocker_port, |
9f6bbf7c SF |
2328 | struct rocker_desc_info *desc_info, |
2329 | void *priv) | |
2330 | { | |
2331 | const struct rocker_group_tbl_entry *entry = priv; | |
2332 | struct rocker_tlv *cmd_info; | |
2333 | ||
2334 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, entry->cmd)) | |
2335 | return -EMSGSIZE; | |
2336 | cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
2337 | if (!cmd_info) | |
2338 | return -EMSGSIZE; | |
2339 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_GROUP_ID, | |
2340 | entry->group_id)) | |
2341 | return -EMSGSIZE; | |
2342 | rocker_tlv_nest_end(desc_info, cmd_info); | |
2343 | ||
2344 | return 0; | |
2345 | } | |
2346 | ||
c1beeef7 SF |
2347 | /*************************************************** |
2348 | * Flow, group, FDB, internal VLAN and neigh tables | |
2349 | ***************************************************/ | |
9f6bbf7c SF |
2350 | |
2351 | static int rocker_init_tbls(struct rocker *rocker) | |
2352 | { | |
2353 | hash_init(rocker->flow_tbl); | |
2354 | spin_lock_init(&rocker->flow_tbl_lock); | |
2355 | ||
2356 | hash_init(rocker->group_tbl); | |
2357 | spin_lock_init(&rocker->group_tbl_lock); | |
2358 | ||
2359 | hash_init(rocker->fdb_tbl); | |
2360 | spin_lock_init(&rocker->fdb_tbl_lock); | |
2361 | ||
2362 | hash_init(rocker->internal_vlan_tbl); | |
2363 | spin_lock_init(&rocker->internal_vlan_tbl_lock); | |
2364 | ||
c1beeef7 SF |
2365 | hash_init(rocker->neigh_tbl); |
2366 | spin_lock_init(&rocker->neigh_tbl_lock); | |
2367 | ||
9f6bbf7c SF |
2368 | return 0; |
2369 | } | |
2370 | ||
2371 | static void rocker_free_tbls(struct rocker *rocker) | |
2372 | { | |
2373 | unsigned long flags; | |
2374 | struct rocker_flow_tbl_entry *flow_entry; | |
2375 | struct rocker_group_tbl_entry *group_entry; | |
2376 | struct rocker_fdb_tbl_entry *fdb_entry; | |
2377 | struct rocker_internal_vlan_tbl_entry *internal_vlan_entry; | |
c1beeef7 | 2378 | struct rocker_neigh_tbl_entry *neigh_entry; |
9f6bbf7c SF |
2379 | struct hlist_node *tmp; |
2380 | int bkt; | |
2381 | ||
2382 | spin_lock_irqsave(&rocker->flow_tbl_lock, flags); | |
2383 | hash_for_each_safe(rocker->flow_tbl, bkt, tmp, flow_entry, entry) | |
2384 | hash_del(&flow_entry->entry); | |
2385 | spin_unlock_irqrestore(&rocker->flow_tbl_lock, flags); | |
2386 | ||
2387 | spin_lock_irqsave(&rocker->group_tbl_lock, flags); | |
2388 | hash_for_each_safe(rocker->group_tbl, bkt, tmp, group_entry, entry) | |
2389 | hash_del(&group_entry->entry); | |
2390 | spin_unlock_irqrestore(&rocker->group_tbl_lock, flags); | |
2391 | ||
2392 | spin_lock_irqsave(&rocker->fdb_tbl_lock, flags); | |
2393 | hash_for_each_safe(rocker->fdb_tbl, bkt, tmp, fdb_entry, entry) | |
2394 | hash_del(&fdb_entry->entry); | |
2395 | spin_unlock_irqrestore(&rocker->fdb_tbl_lock, flags); | |
2396 | ||
2397 | spin_lock_irqsave(&rocker->internal_vlan_tbl_lock, flags); | |
2398 | hash_for_each_safe(rocker->internal_vlan_tbl, bkt, | |
2399 | tmp, internal_vlan_entry, entry) | |
2400 | hash_del(&internal_vlan_entry->entry); | |
2401 | spin_unlock_irqrestore(&rocker->internal_vlan_tbl_lock, flags); | |
c1beeef7 SF |
2402 | |
2403 | spin_lock_irqsave(&rocker->neigh_tbl_lock, flags); | |
2404 | hash_for_each_safe(rocker->neigh_tbl, bkt, tmp, neigh_entry, entry) | |
2405 | hash_del(&neigh_entry->entry); | |
2406 | spin_unlock_irqrestore(&rocker->neigh_tbl_lock, flags); | |
9f6bbf7c SF |
2407 | } |
2408 | ||
2409 | static struct rocker_flow_tbl_entry * | |
e5054643 SH |
2410 | rocker_flow_tbl_find(const struct rocker *rocker, |
2411 | const struct rocker_flow_tbl_entry *match) | |
9f6bbf7c SF |
2412 | { |
2413 | struct rocker_flow_tbl_entry *found; | |
c1beeef7 | 2414 | size_t key_len = match->key_len ? match->key_len : sizeof(found->key); |
9f6bbf7c SF |
2415 | |
2416 | hash_for_each_possible(rocker->flow_tbl, found, | |
2417 | entry, match->key_crc32) { | |
c1beeef7 | 2418 | if (memcmp(&found->key, &match->key, key_len) == 0) |
9f6bbf7c SF |
2419 | return found; |
2420 | } | |
2421 | ||
2422 | return NULL; | |
2423 | } | |
2424 | ||
2425 | static int rocker_flow_tbl_add(struct rocker_port *rocker_port, | |
76c6f945 | 2426 | struct switchdev_trans *trans, int flags, |
c4f20321 | 2427 | struct rocker_flow_tbl_entry *match) |
9f6bbf7c SF |
2428 | { |
2429 | struct rocker *rocker = rocker_port->rocker; | |
2430 | struct rocker_flow_tbl_entry *found; | |
c1beeef7 | 2431 | size_t key_len = match->key_len ? match->key_len : sizeof(found->key); |
179f9a25 | 2432 | unsigned long lock_flags; |
9f6bbf7c | 2433 | |
c1beeef7 | 2434 | match->key_crc32 = crc32(~0, &match->key, key_len); |
9f6bbf7c | 2435 | |
179f9a25 | 2436 | spin_lock_irqsave(&rocker->flow_tbl_lock, lock_flags); |
9f6bbf7c SF |
2437 | |
2438 | found = rocker_flow_tbl_find(rocker, match); | |
2439 | ||
2440 | if (found) { | |
c1beeef7 | 2441 | match->cookie = found->cookie; |
76c6f945 | 2442 | if (!switchdev_trans_ph_prepare(trans)) |
c4f20321 | 2443 | hash_del(&found->entry); |
76c6f945 | 2444 | rocker_port_kfree(trans, found); |
c1beeef7 SF |
2445 | found = match; |
2446 | found->cmd = ROCKER_TLV_CMD_TYPE_OF_DPA_FLOW_MOD; | |
9f6bbf7c SF |
2447 | } else { |
2448 | found = match; | |
2449 | found->cookie = rocker->flow_tbl_next_cookie++; | |
c1beeef7 | 2450 | found->cmd = ROCKER_TLV_CMD_TYPE_OF_DPA_FLOW_ADD; |
9f6bbf7c SF |
2451 | } |
2452 | ||
76c6f945 | 2453 | if (!switchdev_trans_ph_prepare(trans)) |
c4f20321 | 2454 | hash_add(rocker->flow_tbl, &found->entry, found->key_crc32); |
9f6bbf7c | 2455 | |
179f9a25 | 2456 | spin_unlock_irqrestore(&rocker->flow_tbl_lock, lock_flags); |
9f6bbf7c | 2457 | |
76c6f945 | 2458 | return rocker_cmd_exec(rocker_port, trans, flags, |
179f9a25 | 2459 | rocker_cmd_flow_tbl_add, found, NULL, NULL); |
9f6bbf7c SF |
2460 | } |
2461 | ||
2462 | static int rocker_flow_tbl_del(struct rocker_port *rocker_port, | |
76c6f945 | 2463 | struct switchdev_trans *trans, int flags, |
c4f20321 | 2464 | struct rocker_flow_tbl_entry *match) |
9f6bbf7c SF |
2465 | { |
2466 | struct rocker *rocker = rocker_port->rocker; | |
2467 | struct rocker_flow_tbl_entry *found; | |
c1beeef7 | 2468 | size_t key_len = match->key_len ? match->key_len : sizeof(found->key); |
179f9a25 | 2469 | unsigned long lock_flags; |
9f6bbf7c SF |
2470 | int err = 0; |
2471 | ||
c1beeef7 | 2472 | match->key_crc32 = crc32(~0, &match->key, key_len); |
9f6bbf7c | 2473 | |
179f9a25 | 2474 | spin_lock_irqsave(&rocker->flow_tbl_lock, lock_flags); |
9f6bbf7c SF |
2475 | |
2476 | found = rocker_flow_tbl_find(rocker, match); | |
2477 | ||
2478 | if (found) { | |
76c6f945 | 2479 | if (!switchdev_trans_ph_prepare(trans)) |
c4f20321 | 2480 | hash_del(&found->entry); |
c1beeef7 | 2481 | found->cmd = ROCKER_TLV_CMD_TYPE_OF_DPA_FLOW_DEL; |
9f6bbf7c SF |
2482 | } |
2483 | ||
179f9a25 | 2484 | spin_unlock_irqrestore(&rocker->flow_tbl_lock, lock_flags); |
9f6bbf7c | 2485 | |
76c6f945 | 2486 | rocker_port_kfree(trans, match); |
9f6bbf7c | 2487 | |
c1beeef7 | 2488 | if (found) { |
76c6f945 | 2489 | err = rocker_cmd_exec(rocker_port, trans, flags, |
9f6bbf7c | 2490 | rocker_cmd_flow_tbl_del, |
c4f20321 | 2491 | found, NULL, NULL); |
76c6f945 | 2492 | rocker_port_kfree(trans, found); |
9f6bbf7c SF |
2493 | } |
2494 | ||
2495 | return err; | |
2496 | } | |
2497 | ||
9f6bbf7c | 2498 | static int rocker_flow_tbl_do(struct rocker_port *rocker_port, |
76c6f945 | 2499 | struct switchdev_trans *trans, int flags, |
c4f20321 | 2500 | struct rocker_flow_tbl_entry *entry) |
9f6bbf7c | 2501 | { |
9f6bbf7c | 2502 | if (flags & ROCKER_OP_FLAG_REMOVE) |
76c6f945 | 2503 | return rocker_flow_tbl_del(rocker_port, trans, flags, entry); |
9f6bbf7c | 2504 | else |
76c6f945 | 2505 | return rocker_flow_tbl_add(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2506 | } |
2507 | ||
2508 | static int rocker_flow_tbl_ig_port(struct rocker_port *rocker_port, | |
76c6f945 | 2509 | struct switchdev_trans *trans, int flags, |
c4f20321 | 2510 | u32 in_pport, u32 in_pport_mask, |
9f6bbf7c SF |
2511 | enum rocker_of_dpa_table_id goto_tbl) |
2512 | { | |
2513 | struct rocker_flow_tbl_entry *entry; | |
2514 | ||
76c6f945 | 2515 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
9f6bbf7c SF |
2516 | if (!entry) |
2517 | return -ENOMEM; | |
2518 | ||
2519 | entry->key.priority = ROCKER_PRIORITY_IG_PORT; | |
2520 | entry->key.tbl_id = ROCKER_OF_DPA_TABLE_ID_INGRESS_PORT; | |
4a6bb6d3 SF |
2521 | entry->key.ig_port.in_pport = in_pport; |
2522 | entry->key.ig_port.in_pport_mask = in_pport_mask; | |
9f6bbf7c SF |
2523 | entry->key.ig_port.goto_tbl = goto_tbl; |
2524 | ||
76c6f945 | 2525 | return rocker_flow_tbl_do(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2526 | } |
2527 | ||
2528 | static int rocker_flow_tbl_vlan(struct rocker_port *rocker_port, | |
76c6f945 | 2529 | struct switchdev_trans *trans, int flags, |
c4f20321 SF |
2530 | u32 in_pport, __be16 vlan_id, |
2531 | __be16 vlan_id_mask, | |
9f6bbf7c SF |
2532 | enum rocker_of_dpa_table_id goto_tbl, |
2533 | bool untagged, __be16 new_vlan_id) | |
2534 | { | |
2535 | struct rocker_flow_tbl_entry *entry; | |
2536 | ||
76c6f945 | 2537 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
9f6bbf7c SF |
2538 | if (!entry) |
2539 | return -ENOMEM; | |
2540 | ||
2541 | entry->key.priority = ROCKER_PRIORITY_VLAN; | |
2542 | entry->key.tbl_id = ROCKER_OF_DPA_TABLE_ID_VLAN; | |
4a6bb6d3 | 2543 | entry->key.vlan.in_pport = in_pport; |
9f6bbf7c SF |
2544 | entry->key.vlan.vlan_id = vlan_id; |
2545 | entry->key.vlan.vlan_id_mask = vlan_id_mask; | |
2546 | entry->key.vlan.goto_tbl = goto_tbl; | |
2547 | ||
2548 | entry->key.vlan.untagged = untagged; | |
2549 | entry->key.vlan.new_vlan_id = new_vlan_id; | |
2550 | ||
76c6f945 | 2551 | return rocker_flow_tbl_do(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2552 | } |
2553 | ||
2554 | static int rocker_flow_tbl_term_mac(struct rocker_port *rocker_port, | |
76c6f945 | 2555 | struct switchdev_trans *trans, |
4a6bb6d3 | 2556 | u32 in_pport, u32 in_pport_mask, |
9f6bbf7c SF |
2557 | __be16 eth_type, const u8 *eth_dst, |
2558 | const u8 *eth_dst_mask, __be16 vlan_id, | |
2559 | __be16 vlan_id_mask, bool copy_to_cpu, | |
2560 | int flags) | |
2561 | { | |
2562 | struct rocker_flow_tbl_entry *entry; | |
2563 | ||
76c6f945 | 2564 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
9f6bbf7c SF |
2565 | if (!entry) |
2566 | return -ENOMEM; | |
2567 | ||
2568 | if (is_multicast_ether_addr(eth_dst)) { | |
2569 | entry->key.priority = ROCKER_PRIORITY_TERM_MAC_MCAST; | |
2570 | entry->key.term_mac.goto_tbl = | |
2571 | ROCKER_OF_DPA_TABLE_ID_MULTICAST_ROUTING; | |
2572 | } else { | |
2573 | entry->key.priority = ROCKER_PRIORITY_TERM_MAC_UCAST; | |
2574 | entry->key.term_mac.goto_tbl = | |
2575 | ROCKER_OF_DPA_TABLE_ID_UNICAST_ROUTING; | |
2576 | } | |
2577 | ||
2578 | entry->key.tbl_id = ROCKER_OF_DPA_TABLE_ID_TERMINATION_MAC; | |
4a6bb6d3 SF |
2579 | entry->key.term_mac.in_pport = in_pport; |
2580 | entry->key.term_mac.in_pport_mask = in_pport_mask; | |
9f6bbf7c SF |
2581 | entry->key.term_mac.eth_type = eth_type; |
2582 | ether_addr_copy(entry->key.term_mac.eth_dst, eth_dst); | |
2583 | ether_addr_copy(entry->key.term_mac.eth_dst_mask, eth_dst_mask); | |
2584 | entry->key.term_mac.vlan_id = vlan_id; | |
2585 | entry->key.term_mac.vlan_id_mask = vlan_id_mask; | |
2586 | entry->key.term_mac.copy_to_cpu = copy_to_cpu; | |
2587 | ||
76c6f945 | 2588 | return rocker_flow_tbl_do(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2589 | } |
2590 | ||
2591 | static int rocker_flow_tbl_bridge(struct rocker_port *rocker_port, | |
76c6f945 | 2592 | struct switchdev_trans *trans, int flags, |
9f6bbf7c SF |
2593 | const u8 *eth_dst, const u8 *eth_dst_mask, |
2594 | __be16 vlan_id, u32 tunnel_id, | |
2595 | enum rocker_of_dpa_table_id goto_tbl, | |
2596 | u32 group_id, bool copy_to_cpu) | |
2597 | { | |
2598 | struct rocker_flow_tbl_entry *entry; | |
2599 | u32 priority; | |
2600 | bool vlan_bridging = !!vlan_id; | |
2601 | bool dflt = !eth_dst || (eth_dst && eth_dst_mask); | |
2602 | bool wild = false; | |
2603 | ||
76c6f945 | 2604 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
9f6bbf7c SF |
2605 | if (!entry) |
2606 | return -ENOMEM; | |
2607 | ||
2608 | entry->key.tbl_id = ROCKER_OF_DPA_TABLE_ID_BRIDGING; | |
2609 | ||
2610 | if (eth_dst) { | |
2611 | entry->key.bridge.has_eth_dst = 1; | |
2612 | ether_addr_copy(entry->key.bridge.eth_dst, eth_dst); | |
2613 | } | |
2614 | if (eth_dst_mask) { | |
2615 | entry->key.bridge.has_eth_dst_mask = 1; | |
2616 | ether_addr_copy(entry->key.bridge.eth_dst_mask, eth_dst_mask); | |
629161f6 | 2617 | if (!ether_addr_equal(eth_dst_mask, ff_mac)) |
9f6bbf7c SF |
2618 | wild = true; |
2619 | } | |
2620 | ||
2621 | priority = ROCKER_PRIORITY_UNKNOWN; | |
51ace887 | 2622 | if (vlan_bridging && dflt && wild) |
9f6bbf7c | 2623 | priority = ROCKER_PRIORITY_BRIDGING_VLAN_DFLT_WILD; |
51ace887 | 2624 | else if (vlan_bridging && dflt && !wild) |
9f6bbf7c | 2625 | priority = ROCKER_PRIORITY_BRIDGING_VLAN_DFLT_EXACT; |
51ace887 | 2626 | else if (vlan_bridging && !dflt) |
9f6bbf7c | 2627 | priority = ROCKER_PRIORITY_BRIDGING_VLAN; |
51ace887 | 2628 | else if (!vlan_bridging && dflt && wild) |
9f6bbf7c | 2629 | priority = ROCKER_PRIORITY_BRIDGING_TENANT_DFLT_WILD; |
51ace887 | 2630 | else if (!vlan_bridging && dflt && !wild) |
9f6bbf7c | 2631 | priority = ROCKER_PRIORITY_BRIDGING_TENANT_DFLT_EXACT; |
51ace887 | 2632 | else if (!vlan_bridging && !dflt) |
9f6bbf7c SF |
2633 | priority = ROCKER_PRIORITY_BRIDGING_TENANT; |
2634 | ||
2635 | entry->key.priority = priority; | |
2636 | entry->key.bridge.vlan_id = vlan_id; | |
2637 | entry->key.bridge.tunnel_id = tunnel_id; | |
2638 | entry->key.bridge.goto_tbl = goto_tbl; | |
2639 | entry->key.bridge.group_id = group_id; | |
2640 | entry->key.bridge.copy_to_cpu = copy_to_cpu; | |
2641 | ||
76c6f945 | 2642 | return rocker_flow_tbl_do(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2643 | } |
2644 | ||
c1beeef7 | 2645 | static int rocker_flow_tbl_ucast4_routing(struct rocker_port *rocker_port, |
76c6f945 | 2646 | struct switchdev_trans *trans, |
c1beeef7 SF |
2647 | __be16 eth_type, __be32 dst, |
2648 | __be32 dst_mask, u32 priority, | |
2649 | enum rocker_of_dpa_table_id goto_tbl, | |
2650 | u32 group_id, int flags) | |
2651 | { | |
2652 | struct rocker_flow_tbl_entry *entry; | |
2653 | ||
76c6f945 | 2654 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
c1beeef7 SF |
2655 | if (!entry) |
2656 | return -ENOMEM; | |
2657 | ||
2658 | entry->key.tbl_id = ROCKER_OF_DPA_TABLE_ID_UNICAST_ROUTING; | |
2659 | entry->key.priority = priority; | |
2660 | entry->key.ucast_routing.eth_type = eth_type; | |
2661 | entry->key.ucast_routing.dst4 = dst; | |
2662 | entry->key.ucast_routing.dst4_mask = dst_mask; | |
2663 | entry->key.ucast_routing.goto_tbl = goto_tbl; | |
2664 | entry->key.ucast_routing.group_id = group_id; | |
2665 | entry->key_len = offsetof(struct rocker_flow_tbl_key, | |
2666 | ucast_routing.group_id); | |
2667 | ||
76c6f945 | 2668 | return rocker_flow_tbl_do(rocker_port, trans, flags, entry); |
c1beeef7 SF |
2669 | } |
2670 | ||
9f6bbf7c | 2671 | static int rocker_flow_tbl_acl(struct rocker_port *rocker_port, |
76c6f945 | 2672 | struct switchdev_trans *trans, int flags, |
c4f20321 | 2673 | u32 in_pport, u32 in_pport_mask, |
9f6bbf7c SF |
2674 | const u8 *eth_src, const u8 *eth_src_mask, |
2675 | const u8 *eth_dst, const u8 *eth_dst_mask, | |
c4f20321 SF |
2676 | __be16 eth_type, __be16 vlan_id, |
2677 | __be16 vlan_id_mask, u8 ip_proto, | |
2678 | u8 ip_proto_mask, u8 ip_tos, u8 ip_tos_mask, | |
9f6bbf7c SF |
2679 | u32 group_id) |
2680 | { | |
2681 | u32 priority; | |
2682 | struct rocker_flow_tbl_entry *entry; | |
2683 | ||
76c6f945 | 2684 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
9f6bbf7c SF |
2685 | if (!entry) |
2686 | return -ENOMEM; | |
2687 | ||
2688 | priority = ROCKER_PRIORITY_ACL_NORMAL; | |
2689 | if (eth_dst && eth_dst_mask) { | |
629161f6 | 2690 | if (ether_addr_equal(eth_dst_mask, mcast_mac)) |
9f6bbf7c SF |
2691 | priority = ROCKER_PRIORITY_ACL_DFLT; |
2692 | else if (is_link_local_ether_addr(eth_dst)) | |
2693 | priority = ROCKER_PRIORITY_ACL_CTRL; | |
2694 | } | |
2695 | ||
2696 | entry->key.priority = priority; | |
2697 | entry->key.tbl_id = ROCKER_OF_DPA_TABLE_ID_ACL_POLICY; | |
4a6bb6d3 SF |
2698 | entry->key.acl.in_pport = in_pport; |
2699 | entry->key.acl.in_pport_mask = in_pport_mask; | |
9f6bbf7c SF |
2700 | |
2701 | if (eth_src) | |
2702 | ether_addr_copy(entry->key.acl.eth_src, eth_src); | |
2703 | if (eth_src_mask) | |
2704 | ether_addr_copy(entry->key.acl.eth_src_mask, eth_src_mask); | |
2705 | if (eth_dst) | |
2706 | ether_addr_copy(entry->key.acl.eth_dst, eth_dst); | |
2707 | if (eth_dst_mask) | |
2708 | ether_addr_copy(entry->key.acl.eth_dst_mask, eth_dst_mask); | |
2709 | ||
2710 | entry->key.acl.eth_type = eth_type; | |
2711 | entry->key.acl.vlan_id = vlan_id; | |
2712 | entry->key.acl.vlan_id_mask = vlan_id_mask; | |
2713 | entry->key.acl.ip_proto = ip_proto; | |
2714 | entry->key.acl.ip_proto_mask = ip_proto_mask; | |
2715 | entry->key.acl.ip_tos = ip_tos; | |
2716 | entry->key.acl.ip_tos_mask = ip_tos_mask; | |
2717 | entry->key.acl.group_id = group_id; | |
2718 | ||
76c6f945 | 2719 | return rocker_flow_tbl_do(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2720 | } |
2721 | ||
2722 | static struct rocker_group_tbl_entry * | |
e5054643 SH |
2723 | rocker_group_tbl_find(const struct rocker *rocker, |
2724 | const struct rocker_group_tbl_entry *match) | |
9f6bbf7c SF |
2725 | { |
2726 | struct rocker_group_tbl_entry *found; | |
2727 | ||
2728 | hash_for_each_possible(rocker->group_tbl, found, | |
2729 | entry, match->group_id) { | |
2730 | if (found->group_id == match->group_id) | |
2731 | return found; | |
2732 | } | |
2733 | ||
2734 | return NULL; | |
2735 | } | |
2736 | ||
76c6f945 | 2737 | static void rocker_group_tbl_entry_free(struct switchdev_trans *trans, |
c4f20321 | 2738 | struct rocker_group_tbl_entry *entry) |
9f6bbf7c SF |
2739 | { |
2740 | switch (ROCKER_GROUP_TYPE_GET(entry->group_id)) { | |
2741 | case ROCKER_OF_DPA_GROUP_TYPE_L2_FLOOD: | |
2742 | case ROCKER_OF_DPA_GROUP_TYPE_L2_MCAST: | |
76c6f945 | 2743 | rocker_port_kfree(trans, entry->group_ids); |
9f6bbf7c SF |
2744 | break; |
2745 | default: | |
2746 | break; | |
2747 | } | |
76c6f945 | 2748 | rocker_port_kfree(trans, entry); |
9f6bbf7c SF |
2749 | } |
2750 | ||
2751 | static int rocker_group_tbl_add(struct rocker_port *rocker_port, | |
76c6f945 | 2752 | struct switchdev_trans *trans, int flags, |
c4f20321 | 2753 | struct rocker_group_tbl_entry *match) |
9f6bbf7c SF |
2754 | { |
2755 | struct rocker *rocker = rocker_port->rocker; | |
2756 | struct rocker_group_tbl_entry *found; | |
179f9a25 | 2757 | unsigned long lock_flags; |
9f6bbf7c | 2758 | |
179f9a25 | 2759 | spin_lock_irqsave(&rocker->group_tbl_lock, lock_flags); |
9f6bbf7c SF |
2760 | |
2761 | found = rocker_group_tbl_find(rocker, match); | |
2762 | ||
2763 | if (found) { | |
76c6f945 | 2764 | if (!switchdev_trans_ph_prepare(trans)) |
c4f20321 | 2765 | hash_del(&found->entry); |
76c6f945 | 2766 | rocker_group_tbl_entry_free(trans, found); |
9f6bbf7c SF |
2767 | found = match; |
2768 | found->cmd = ROCKER_TLV_CMD_TYPE_OF_DPA_GROUP_MOD; | |
2769 | } else { | |
2770 | found = match; | |
2771 | found->cmd = ROCKER_TLV_CMD_TYPE_OF_DPA_GROUP_ADD; | |
2772 | } | |
2773 | ||
76c6f945 | 2774 | if (!switchdev_trans_ph_prepare(trans)) |
c4f20321 | 2775 | hash_add(rocker->group_tbl, &found->entry, found->group_id); |
9f6bbf7c | 2776 | |
179f9a25 | 2777 | spin_unlock_irqrestore(&rocker->group_tbl_lock, lock_flags); |
9f6bbf7c | 2778 | |
76c6f945 | 2779 | return rocker_cmd_exec(rocker_port, trans, flags, |
179f9a25 | 2780 | rocker_cmd_group_tbl_add, found, NULL, NULL); |
9f6bbf7c SF |
2781 | } |
2782 | ||
2783 | static int rocker_group_tbl_del(struct rocker_port *rocker_port, | |
76c6f945 | 2784 | struct switchdev_trans *trans, int flags, |
c4f20321 | 2785 | struct rocker_group_tbl_entry *match) |
9f6bbf7c SF |
2786 | { |
2787 | struct rocker *rocker = rocker_port->rocker; | |
2788 | struct rocker_group_tbl_entry *found; | |
179f9a25 | 2789 | unsigned long lock_flags; |
9f6bbf7c SF |
2790 | int err = 0; |
2791 | ||
179f9a25 | 2792 | spin_lock_irqsave(&rocker->group_tbl_lock, lock_flags); |
9f6bbf7c SF |
2793 | |
2794 | found = rocker_group_tbl_find(rocker, match); | |
2795 | ||
2796 | if (found) { | |
76c6f945 | 2797 | if (!switchdev_trans_ph_prepare(trans)) |
c4f20321 | 2798 | hash_del(&found->entry); |
9f6bbf7c SF |
2799 | found->cmd = ROCKER_TLV_CMD_TYPE_OF_DPA_GROUP_DEL; |
2800 | } | |
2801 | ||
179f9a25 | 2802 | spin_unlock_irqrestore(&rocker->group_tbl_lock, lock_flags); |
9f6bbf7c | 2803 | |
76c6f945 | 2804 | rocker_group_tbl_entry_free(trans, match); |
9f6bbf7c SF |
2805 | |
2806 | if (found) { | |
76c6f945 | 2807 | err = rocker_cmd_exec(rocker_port, trans, flags, |
9f6bbf7c | 2808 | rocker_cmd_group_tbl_del, |
c4f20321 | 2809 | found, NULL, NULL); |
76c6f945 | 2810 | rocker_group_tbl_entry_free(trans, found); |
9f6bbf7c SF |
2811 | } |
2812 | ||
2813 | return err; | |
2814 | } | |
2815 | ||
2816 | static int rocker_group_tbl_do(struct rocker_port *rocker_port, | |
76c6f945 | 2817 | struct switchdev_trans *trans, int flags, |
c4f20321 | 2818 | struct rocker_group_tbl_entry *entry) |
9f6bbf7c | 2819 | { |
9f6bbf7c | 2820 | if (flags & ROCKER_OP_FLAG_REMOVE) |
76c6f945 | 2821 | return rocker_group_tbl_del(rocker_port, trans, flags, entry); |
9f6bbf7c | 2822 | else |
76c6f945 | 2823 | return rocker_group_tbl_add(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2824 | } |
2825 | ||
2826 | static int rocker_group_l2_interface(struct rocker_port *rocker_port, | |
76c6f945 | 2827 | struct switchdev_trans *trans, int flags, |
c4f20321 SF |
2828 | __be16 vlan_id, u32 out_pport, |
2829 | int pop_vlan) | |
9f6bbf7c SF |
2830 | { |
2831 | struct rocker_group_tbl_entry *entry; | |
2832 | ||
76c6f945 | 2833 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
9f6bbf7c SF |
2834 | if (!entry) |
2835 | return -ENOMEM; | |
2836 | ||
4a6bb6d3 | 2837 | entry->group_id = ROCKER_GROUP_L2_INTERFACE(vlan_id, out_pport); |
9f6bbf7c SF |
2838 | entry->l2_interface.pop_vlan = pop_vlan; |
2839 | ||
76c6f945 | 2840 | return rocker_group_tbl_do(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2841 | } |
2842 | ||
2843 | static int rocker_group_l2_fan_out(struct rocker_port *rocker_port, | |
76c6f945 | 2844 | struct switchdev_trans *trans, |
9f6bbf7c | 2845 | int flags, u8 group_count, |
e5054643 | 2846 | const u32 *group_ids, u32 group_id) |
9f6bbf7c SF |
2847 | { |
2848 | struct rocker_group_tbl_entry *entry; | |
2849 | ||
76c6f945 | 2850 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
9f6bbf7c SF |
2851 | if (!entry) |
2852 | return -ENOMEM; | |
2853 | ||
2854 | entry->group_id = group_id; | |
2855 | entry->group_count = group_count; | |
2856 | ||
76c6f945 | 2857 | entry->group_ids = rocker_port_kcalloc(rocker_port, trans, flags, |
179f9a25 | 2858 | group_count, sizeof(u32)); |
9f6bbf7c | 2859 | if (!entry->group_ids) { |
76c6f945 | 2860 | rocker_port_kfree(trans, entry); |
9f6bbf7c SF |
2861 | return -ENOMEM; |
2862 | } | |
2863 | memcpy(entry->group_ids, group_ids, group_count * sizeof(u32)); | |
2864 | ||
76c6f945 | 2865 | return rocker_group_tbl_do(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2866 | } |
2867 | ||
2868 | static int rocker_group_l2_flood(struct rocker_port *rocker_port, | |
76c6f945 | 2869 | struct switchdev_trans *trans, int flags, |
c4f20321 | 2870 | __be16 vlan_id, u8 group_count, |
e5054643 | 2871 | const u32 *group_ids, u32 group_id) |
9f6bbf7c | 2872 | { |
76c6f945 | 2873 | return rocker_group_l2_fan_out(rocker_port, trans, flags, |
9f6bbf7c SF |
2874 | group_count, group_ids, |
2875 | group_id); | |
2876 | } | |
2877 | ||
c1beeef7 | 2878 | static int rocker_group_l3_unicast(struct rocker_port *rocker_port, |
76c6f945 | 2879 | struct switchdev_trans *trans, int flags, |
e5054643 | 2880 | u32 index, const u8 *src_mac, const u8 *dst_mac, |
c4f20321 | 2881 | __be16 vlan_id, bool ttl_check, u32 pport) |
c1beeef7 SF |
2882 | { |
2883 | struct rocker_group_tbl_entry *entry; | |
2884 | ||
76c6f945 | 2885 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
c1beeef7 SF |
2886 | if (!entry) |
2887 | return -ENOMEM; | |
2888 | ||
2889 | entry->group_id = ROCKER_GROUP_L3_UNICAST(index); | |
2890 | if (src_mac) | |
2891 | ether_addr_copy(entry->l3_unicast.eth_src, src_mac); | |
2892 | if (dst_mac) | |
2893 | ether_addr_copy(entry->l3_unicast.eth_dst, dst_mac); | |
2894 | entry->l3_unicast.vlan_id = vlan_id; | |
2895 | entry->l3_unicast.ttl_check = ttl_check; | |
2896 | entry->l3_unicast.group_id = ROCKER_GROUP_L2_INTERFACE(vlan_id, pport); | |
2897 | ||
76c6f945 | 2898 | return rocker_group_tbl_do(rocker_port, trans, flags, entry); |
c1beeef7 SF |
2899 | } |
2900 | ||
2901 | static struct rocker_neigh_tbl_entry * | |
e5054643 | 2902 | rocker_neigh_tbl_find(const struct rocker *rocker, __be32 ip_addr) |
c1beeef7 SF |
2903 | { |
2904 | struct rocker_neigh_tbl_entry *found; | |
2905 | ||
0f43deba SF |
2906 | hash_for_each_possible(rocker->neigh_tbl, found, |
2907 | entry, be32_to_cpu(ip_addr)) | |
c1beeef7 SF |
2908 | if (found->ip_addr == ip_addr) |
2909 | return found; | |
2910 | ||
2911 | return NULL; | |
2912 | } | |
2913 | ||
2914 | static void _rocker_neigh_add(struct rocker *rocker, | |
76c6f945 | 2915 | struct switchdev_trans *trans, |
c1beeef7 SF |
2916 | struct rocker_neigh_tbl_entry *entry) |
2917 | { | |
76c6f945 | 2918 | if (!switchdev_trans_ph_commit(trans)) |
4d81db41 | 2919 | entry->index = rocker->neigh_tbl_next_index++; |
76c6f945 | 2920 | if (switchdev_trans_ph_prepare(trans)) |
550ecc92 | 2921 | return; |
c1beeef7 | 2922 | entry->ref_count++; |
0f43deba SF |
2923 | hash_add(rocker->neigh_tbl, &entry->entry, |
2924 | be32_to_cpu(entry->ip_addr)); | |
c1beeef7 SF |
2925 | } |
2926 | ||
76c6f945 | 2927 | static void _rocker_neigh_del(struct switchdev_trans *trans, |
c1beeef7 SF |
2928 | struct rocker_neigh_tbl_entry *entry) |
2929 | { | |
76c6f945 | 2930 | if (switchdev_trans_ph_prepare(trans)) |
550ecc92 | 2931 | return; |
c1beeef7 SF |
2932 | if (--entry->ref_count == 0) { |
2933 | hash_del(&entry->entry); | |
76c6f945 | 2934 | rocker_port_kfree(trans, entry); |
c1beeef7 SF |
2935 | } |
2936 | } | |
2937 | ||
c4f20321 | 2938 | static void _rocker_neigh_update(struct rocker_neigh_tbl_entry *entry, |
76c6f945 | 2939 | struct switchdev_trans *trans, |
e5054643 | 2940 | const u8 *eth_dst, bool ttl_check) |
c1beeef7 SF |
2941 | { |
2942 | if (eth_dst) { | |
2943 | ether_addr_copy(entry->eth_dst, eth_dst); | |
2944 | entry->ttl_check = ttl_check; | |
76c6f945 | 2945 | } else if (!switchdev_trans_ph_prepare(trans)) { |
c1beeef7 SF |
2946 | entry->ref_count++; |
2947 | } | |
2948 | } | |
2949 | ||
2950 | static int rocker_port_ipv4_neigh(struct rocker_port *rocker_port, | |
76c6f945 | 2951 | struct switchdev_trans *trans, |
e5054643 | 2952 | int flags, __be32 ip_addr, const u8 *eth_dst) |
c1beeef7 SF |
2953 | { |
2954 | struct rocker *rocker = rocker_port->rocker; | |
2955 | struct rocker_neigh_tbl_entry *entry; | |
2956 | struct rocker_neigh_tbl_entry *found; | |
2957 | unsigned long lock_flags; | |
2958 | __be16 eth_type = htons(ETH_P_IP); | |
2959 | enum rocker_of_dpa_table_id goto_tbl = | |
2960 | ROCKER_OF_DPA_TABLE_ID_ACL_POLICY; | |
2961 | u32 group_id; | |
2962 | u32 priority = 0; | |
2963 | bool adding = !(flags & ROCKER_OP_FLAG_REMOVE); | |
2964 | bool updating; | |
2965 | bool removing; | |
2966 | int err = 0; | |
2967 | ||
76c6f945 | 2968 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
c1beeef7 SF |
2969 | if (!entry) |
2970 | return -ENOMEM; | |
2971 | ||
2972 | spin_lock_irqsave(&rocker->neigh_tbl_lock, lock_flags); | |
2973 | ||
2974 | found = rocker_neigh_tbl_find(rocker, ip_addr); | |
2975 | ||
2976 | updating = found && adding; | |
2977 | removing = found && !adding; | |
2978 | adding = !found && adding; | |
2979 | ||
2980 | if (adding) { | |
2981 | entry->ip_addr = ip_addr; | |
2982 | entry->dev = rocker_port->dev; | |
2983 | ether_addr_copy(entry->eth_dst, eth_dst); | |
2984 | entry->ttl_check = true; | |
76c6f945 | 2985 | _rocker_neigh_add(rocker, trans, entry); |
c1beeef7 SF |
2986 | } else if (removing) { |
2987 | memcpy(entry, found, sizeof(*entry)); | |
76c6f945 | 2988 | _rocker_neigh_del(trans, found); |
c1beeef7 | 2989 | } else if (updating) { |
76c6f945 | 2990 | _rocker_neigh_update(found, trans, eth_dst, true); |
c1beeef7 SF |
2991 | memcpy(entry, found, sizeof(*entry)); |
2992 | } else { | |
2993 | err = -ENOENT; | |
2994 | } | |
2995 | ||
2996 | spin_unlock_irqrestore(&rocker->neigh_tbl_lock, lock_flags); | |
2997 | ||
2998 | if (err) | |
2999 | goto err_out; | |
3000 | ||
3001 | /* For each active neighbor, we have an L3 unicast group and | |
3002 | * a /32 route to the neighbor, which uses the L3 unicast | |
3003 | * group. The L3 unicast group can also be referred to by | |
3004 | * other routes' nexthops. | |
3005 | */ | |
3006 | ||
76c6f945 | 3007 | err = rocker_group_l3_unicast(rocker_port, trans, flags, |
c1beeef7 SF |
3008 | entry->index, |
3009 | rocker_port->dev->dev_addr, | |
3010 | entry->eth_dst, | |
3011 | rocker_port->internal_vlan_id, | |
3012 | entry->ttl_check, | |
3013 | rocker_port->pport); | |
3014 | if (err) { | |
3015 | netdev_err(rocker_port->dev, | |
3016 | "Error (%d) L3 unicast group index %d\n", | |
3017 | err, entry->index); | |
3018 | goto err_out; | |
3019 | } | |
3020 | ||
3021 | if (adding || removing) { | |
3022 | group_id = ROCKER_GROUP_L3_UNICAST(entry->index); | |
76c6f945 | 3023 | err = rocker_flow_tbl_ucast4_routing(rocker_port, trans, |
c1beeef7 SF |
3024 | eth_type, ip_addr, |
3025 | inet_make_mask(32), | |
3026 | priority, goto_tbl, | |
3027 | group_id, flags); | |
3028 | ||
3029 | if (err) | |
3030 | netdev_err(rocker_port->dev, | |
3031 | "Error (%d) /32 unicast route %pI4 group 0x%08x\n", | |
3032 | err, &entry->ip_addr, group_id); | |
3033 | } | |
3034 | ||
3035 | err_out: | |
3036 | if (!adding) | |
76c6f945 | 3037 | rocker_port_kfree(trans, entry); |
c1beeef7 SF |
3038 | |
3039 | return err; | |
3040 | } | |
3041 | ||
3042 | static int rocker_port_ipv4_resolve(struct rocker_port *rocker_port, | |
76c6f945 JP |
3043 | struct switchdev_trans *trans, |
3044 | __be32 ip_addr) | |
c1beeef7 SF |
3045 | { |
3046 | struct net_device *dev = rocker_port->dev; | |
0f43deba | 3047 | struct neighbour *n = __ipv4_neigh_lookup(dev, (__force u32)ip_addr); |
c1beeef7 SF |
3048 | int err = 0; |
3049 | ||
4133fc09 | 3050 | if (!n) { |
c1beeef7 | 3051 | n = neigh_create(&arp_tbl, &ip_addr, dev); |
4133fc09 YX |
3052 | if (IS_ERR(n)) |
3053 | return IS_ERR(n); | |
3054 | } | |
c1beeef7 SF |
3055 | |
3056 | /* If the neigh is already resolved, then go ahead and | |
3057 | * install the entry, otherwise start the ARP process to | |
3058 | * resolve the neigh. | |
3059 | */ | |
3060 | ||
3061 | if (n->nud_state & NUD_VALID) | |
76c6f945 | 3062 | err = rocker_port_ipv4_neigh(rocker_port, trans, 0, |
c4f20321 | 3063 | ip_addr, n->ha); |
c1beeef7 SF |
3064 | else |
3065 | neigh_event_send(n, NULL); | |
3066 | ||
4133fc09 | 3067 | neigh_release(n); |
c1beeef7 SF |
3068 | return err; |
3069 | } | |
3070 | ||
c4f20321 | 3071 | static int rocker_port_ipv4_nh(struct rocker_port *rocker_port, |
76c6f945 | 3072 | struct switchdev_trans *trans, int flags, |
c1beeef7 SF |
3073 | __be32 ip_addr, u32 *index) |
3074 | { | |
3075 | struct rocker *rocker = rocker_port->rocker; | |
3076 | struct rocker_neigh_tbl_entry *entry; | |
3077 | struct rocker_neigh_tbl_entry *found; | |
3078 | unsigned long lock_flags; | |
3079 | bool adding = !(flags & ROCKER_OP_FLAG_REMOVE); | |
3080 | bool updating; | |
3081 | bool removing; | |
3082 | bool resolved = true; | |
3083 | int err = 0; | |
3084 | ||
76c6f945 | 3085 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
c1beeef7 SF |
3086 | if (!entry) |
3087 | return -ENOMEM; | |
3088 | ||
3089 | spin_lock_irqsave(&rocker->neigh_tbl_lock, lock_flags); | |
3090 | ||
3091 | found = rocker_neigh_tbl_find(rocker, ip_addr); | |
3092 | if (found) | |
3093 | *index = found->index; | |
3094 | ||
3095 | updating = found && adding; | |
3096 | removing = found && !adding; | |
3097 | adding = !found && adding; | |
3098 | ||
3099 | if (adding) { | |
3100 | entry->ip_addr = ip_addr; | |
3101 | entry->dev = rocker_port->dev; | |
76c6f945 | 3102 | _rocker_neigh_add(rocker, trans, entry); |
c1beeef7 SF |
3103 | *index = entry->index; |
3104 | resolved = false; | |
3105 | } else if (removing) { | |
76c6f945 | 3106 | _rocker_neigh_del(trans, found); |
c1beeef7 | 3107 | } else if (updating) { |
76c6f945 | 3108 | _rocker_neigh_update(found, trans, NULL, false); |
c1beeef7 SF |
3109 | resolved = !is_zero_ether_addr(found->eth_dst); |
3110 | } else { | |
3111 | err = -ENOENT; | |
3112 | } | |
3113 | ||
3114 | spin_unlock_irqrestore(&rocker->neigh_tbl_lock, lock_flags); | |
3115 | ||
3116 | if (!adding) | |
76c6f945 | 3117 | rocker_port_kfree(trans, entry); |
c1beeef7 SF |
3118 | |
3119 | if (err) | |
3120 | return err; | |
3121 | ||
3122 | /* Resolved means neigh ip_addr is resolved to neigh mac. */ | |
3123 | ||
3124 | if (!resolved) | |
76c6f945 | 3125 | err = rocker_port_ipv4_resolve(rocker_port, trans, ip_addr); |
c1beeef7 SF |
3126 | |
3127 | return err; | |
3128 | } | |
3129 | ||
6c707945 | 3130 | static int rocker_port_vlan_flood_group(struct rocker_port *rocker_port, |
76c6f945 | 3131 | struct switchdev_trans *trans, |
6c707945 SF |
3132 | int flags, __be16 vlan_id) |
3133 | { | |
3134 | struct rocker_port *p; | |
e5054643 | 3135 | const struct rocker *rocker = rocker_port->rocker; |
6c707945 | 3136 | u32 group_id = ROCKER_GROUP_L2_FLOOD(vlan_id, 0); |
04f49faf | 3137 | u32 *group_ids; |
6c707945 | 3138 | u8 group_count = 0; |
04f49faf | 3139 | int err = 0; |
6c707945 SF |
3140 | int i; |
3141 | ||
76c6f945 | 3142 | group_ids = rocker_port_kcalloc(rocker_port, trans, flags, |
179f9a25 | 3143 | rocker->port_count, sizeof(u32)); |
04f49faf SF |
3144 | if (!group_ids) |
3145 | return -ENOMEM; | |
3146 | ||
6c707945 SF |
3147 | /* Adjust the flood group for this VLAN. The flood group |
3148 | * references an L2 interface group for each port in this | |
3149 | * VLAN. | |
3150 | */ | |
3151 | ||
3152 | for (i = 0; i < rocker->port_count; i++) { | |
3153 | p = rocker->ports[i]; | |
bcfd7801 SF |
3154 | if (!p) |
3155 | continue; | |
6c707945 SF |
3156 | if (!rocker_port_is_bridged(p)) |
3157 | continue; | |
3158 | if (test_bit(ntohs(vlan_id), p->vlan_bitmap)) { | |
3159 | group_ids[group_count++] = | |
4a6bb6d3 | 3160 | ROCKER_GROUP_L2_INTERFACE(vlan_id, p->pport); |
6c707945 SF |
3161 | } |
3162 | } | |
3163 | ||
3164 | /* If there are no bridged ports in this VLAN, we're done */ | |
3165 | if (group_count == 0) | |
04f49faf | 3166 | goto no_ports_in_vlan; |
6c707945 | 3167 | |
76c6f945 | 3168 | err = rocker_group_l2_flood(rocker_port, trans, flags, vlan_id, |
c4f20321 | 3169 | group_count, group_ids, group_id); |
6c707945 SF |
3170 | if (err) |
3171 | netdev_err(rocker_port->dev, | |
3172 | "Error (%d) port VLAN l2 flood group\n", err); | |
3173 | ||
04f49faf | 3174 | no_ports_in_vlan: |
76c6f945 | 3175 | rocker_port_kfree(trans, group_ids); |
6c707945 SF |
3176 | return err; |
3177 | } | |
3178 | ||
3179 | static int rocker_port_vlan_l2_groups(struct rocker_port *rocker_port, | |
76c6f945 | 3180 | struct switchdev_trans *trans, int flags, |
c4f20321 | 3181 | __be16 vlan_id, bool pop_vlan) |
6c707945 | 3182 | { |
e5054643 | 3183 | const struct rocker *rocker = rocker_port->rocker; |
6c707945 SF |
3184 | struct rocker_port *p; |
3185 | bool adding = !(flags & ROCKER_OP_FLAG_REMOVE); | |
4a6bb6d3 | 3186 | u32 out_pport; |
6c707945 SF |
3187 | int ref = 0; |
3188 | int err; | |
3189 | int i; | |
3190 | ||
3191 | /* An L2 interface group for this port in this VLAN, but | |
3192 | * only when port STP state is LEARNING|FORWARDING. | |
3193 | */ | |
3194 | ||
3195 | if (rocker_port->stp_state == BR_STATE_LEARNING || | |
3196 | rocker_port->stp_state == BR_STATE_FORWARDING) { | |
4a6bb6d3 | 3197 | out_pport = rocker_port->pport; |
76c6f945 | 3198 | err = rocker_group_l2_interface(rocker_port, trans, flags, |
c4f20321 | 3199 | vlan_id, out_pport, pop_vlan); |
6c707945 SF |
3200 | if (err) { |
3201 | netdev_err(rocker_port->dev, | |
4a6bb6d3 SF |
3202 | "Error (%d) port VLAN l2 group for pport %d\n", |
3203 | err, out_pport); | |
6c707945 SF |
3204 | return err; |
3205 | } | |
3206 | } | |
3207 | ||
3208 | /* An L2 interface group for this VLAN to CPU port. | |
3209 | * Add when first port joins this VLAN and destroy when | |
3210 | * last port leaves this VLAN. | |
3211 | */ | |
3212 | ||
3213 | for (i = 0; i < rocker->port_count; i++) { | |
3214 | p = rocker->ports[i]; | |
bcfd7801 | 3215 | if (p && test_bit(ntohs(vlan_id), p->vlan_bitmap)) |
6c707945 SF |
3216 | ref++; |
3217 | } | |
3218 | ||
3219 | if ((!adding || ref != 1) && (adding || ref != 0)) | |
3220 | return 0; | |
3221 | ||
4a6bb6d3 | 3222 | out_pport = 0; |
76c6f945 | 3223 | err = rocker_group_l2_interface(rocker_port, trans, flags, |
c4f20321 | 3224 | vlan_id, out_pport, pop_vlan); |
6c707945 SF |
3225 | if (err) { |
3226 | netdev_err(rocker_port->dev, | |
3227 | "Error (%d) port VLAN l2 group for CPU port\n", err); | |
3228 | return err; | |
3229 | } | |
3230 | ||
3231 | return 0; | |
3232 | } | |
3233 | ||
9f6bbf7c SF |
3234 | static struct rocker_ctrl { |
3235 | const u8 *eth_dst; | |
3236 | const u8 *eth_dst_mask; | |
11e6c65a | 3237 | __be16 eth_type; |
9f6bbf7c SF |
3238 | bool acl; |
3239 | bool bridge; | |
3240 | bool term; | |
3241 | bool copy_to_cpu; | |
3242 | } rocker_ctrls[] = { | |
3243 | [ROCKER_CTRL_LINK_LOCAL_MCAST] = { | |
3244 | /* pass link local multicast pkts up to CPU for filtering */ | |
3245 | .eth_dst = ll_mac, | |
3246 | .eth_dst_mask = ll_mask, | |
3247 | .acl = true, | |
3248 | }, | |
3249 | [ROCKER_CTRL_LOCAL_ARP] = { | |
3250 | /* pass local ARP pkts up to CPU */ | |
3251 | .eth_dst = zero_mac, | |
3252 | .eth_dst_mask = zero_mac, | |
3253 | .eth_type = htons(ETH_P_ARP), | |
3254 | .acl = true, | |
3255 | }, | |
3256 | [ROCKER_CTRL_IPV4_MCAST] = { | |
3257 | /* pass IPv4 mcast pkts up to CPU, RFC 1112 */ | |
3258 | .eth_dst = ipv4_mcast, | |
3259 | .eth_dst_mask = ipv4_mask, | |
3260 | .eth_type = htons(ETH_P_IP), | |
3261 | .term = true, | |
3262 | .copy_to_cpu = true, | |
3263 | }, | |
3264 | [ROCKER_CTRL_IPV6_MCAST] = { | |
3265 | /* pass IPv6 mcast pkts up to CPU, RFC 2464 */ | |
3266 | .eth_dst = ipv6_mcast, | |
3267 | .eth_dst_mask = ipv6_mask, | |
3268 | .eth_type = htons(ETH_P_IPV6), | |
3269 | .term = true, | |
3270 | .copy_to_cpu = true, | |
3271 | }, | |
3272 | [ROCKER_CTRL_DFLT_BRIDGING] = { | |
3273 | /* flood any pkts on vlan */ | |
3274 | .bridge = true, | |
3275 | .copy_to_cpu = true, | |
3276 | }, | |
8254973f SH |
3277 | [ROCKER_CTRL_DFLT_OVS] = { |
3278 | /* pass all pkts up to CPU */ | |
3279 | .eth_dst = zero_mac, | |
3280 | .eth_dst_mask = zero_mac, | |
3281 | .acl = true, | |
3282 | }, | |
9f6bbf7c SF |
3283 | }; |
3284 | ||
3285 | static int rocker_port_ctrl_vlan_acl(struct rocker_port *rocker_port, | |
76c6f945 | 3286 | struct switchdev_trans *trans, int flags, |
e5054643 | 3287 | const struct rocker_ctrl *ctrl, __be16 vlan_id) |
9f6bbf7c | 3288 | { |
4a6bb6d3 SF |
3289 | u32 in_pport = rocker_port->pport; |
3290 | u32 in_pport_mask = 0xffffffff; | |
3291 | u32 out_pport = 0; | |
e5054643 SH |
3292 | const u8 *eth_src = NULL; |
3293 | const u8 *eth_src_mask = NULL; | |
9f6bbf7c SF |
3294 | __be16 vlan_id_mask = htons(0xffff); |
3295 | u8 ip_proto = 0; | |
3296 | u8 ip_proto_mask = 0; | |
3297 | u8 ip_tos = 0; | |
3298 | u8 ip_tos_mask = 0; | |
4a6bb6d3 | 3299 | u32 group_id = ROCKER_GROUP_L2_INTERFACE(vlan_id, out_pport); |
9f6bbf7c SF |
3300 | int err; |
3301 | ||
76c6f945 | 3302 | err = rocker_flow_tbl_acl(rocker_port, trans, flags, |
4a6bb6d3 | 3303 | in_pport, in_pport_mask, |
9f6bbf7c SF |
3304 | eth_src, eth_src_mask, |
3305 | ctrl->eth_dst, ctrl->eth_dst_mask, | |
3306 | ctrl->eth_type, | |
3307 | vlan_id, vlan_id_mask, | |
3308 | ip_proto, ip_proto_mask, | |
3309 | ip_tos, ip_tos_mask, | |
3310 | group_id); | |
3311 | ||
3312 | if (err) | |
3313 | netdev_err(rocker_port->dev, "Error (%d) ctrl ACL\n", err); | |
3314 | ||
3315 | return err; | |
3316 | } | |
3317 | ||
6c707945 | 3318 | static int rocker_port_ctrl_vlan_bridge(struct rocker_port *rocker_port, |
76c6f945 JP |
3319 | struct switchdev_trans *trans, |
3320 | int flags, | |
e5054643 | 3321 | const struct rocker_ctrl *ctrl, |
6c707945 SF |
3322 | __be16 vlan_id) |
3323 | { | |
3324 | enum rocker_of_dpa_table_id goto_tbl = | |
3325 | ROCKER_OF_DPA_TABLE_ID_ACL_POLICY; | |
3326 | u32 group_id = ROCKER_GROUP_L2_FLOOD(vlan_id, 0); | |
3327 | u32 tunnel_id = 0; | |
3328 | int err; | |
3329 | ||
3330 | if (!rocker_port_is_bridged(rocker_port)) | |
3331 | return 0; | |
3332 | ||
76c6f945 | 3333 | err = rocker_flow_tbl_bridge(rocker_port, trans, flags, |
6c707945 SF |
3334 | ctrl->eth_dst, ctrl->eth_dst_mask, |
3335 | vlan_id, tunnel_id, | |
3336 | goto_tbl, group_id, ctrl->copy_to_cpu); | |
3337 | ||
3338 | if (err) | |
3339 | netdev_err(rocker_port->dev, "Error (%d) ctrl FLOOD\n", err); | |
3340 | ||
3341 | return err; | |
3342 | } | |
3343 | ||
9f6bbf7c | 3344 | static int rocker_port_ctrl_vlan_term(struct rocker_port *rocker_port, |
76c6f945 | 3345 | struct switchdev_trans *trans, int flags, |
e5054643 | 3346 | const struct rocker_ctrl *ctrl, __be16 vlan_id) |
9f6bbf7c | 3347 | { |
4a6bb6d3 | 3348 | u32 in_pport_mask = 0xffffffff; |
9f6bbf7c SF |
3349 | __be16 vlan_id_mask = htons(0xffff); |
3350 | int err; | |
3351 | ||
3352 | if (ntohs(vlan_id) == 0) | |
3353 | vlan_id = rocker_port->internal_vlan_id; | |
3354 | ||
76c6f945 | 3355 | err = rocker_flow_tbl_term_mac(rocker_port, trans, |
4a6bb6d3 | 3356 | rocker_port->pport, in_pport_mask, |
9f6bbf7c SF |
3357 | ctrl->eth_type, ctrl->eth_dst, |
3358 | ctrl->eth_dst_mask, vlan_id, | |
3359 | vlan_id_mask, ctrl->copy_to_cpu, | |
3360 | flags); | |
3361 | ||
3362 | if (err) | |
3363 | netdev_err(rocker_port->dev, "Error (%d) ctrl term\n", err); | |
3364 | ||
3365 | return err; | |
3366 | } | |
3367 | ||
c4f20321 | 3368 | static int rocker_port_ctrl_vlan(struct rocker_port *rocker_port, |
76c6f945 | 3369 | struct switchdev_trans *trans, int flags, |
e5054643 | 3370 | const struct rocker_ctrl *ctrl, __be16 vlan_id) |
9f6bbf7c SF |
3371 | { |
3372 | if (ctrl->acl) | |
76c6f945 | 3373 | return rocker_port_ctrl_vlan_acl(rocker_port, trans, flags, |
9f6bbf7c | 3374 | ctrl, vlan_id); |
6c707945 | 3375 | if (ctrl->bridge) |
76c6f945 | 3376 | return rocker_port_ctrl_vlan_bridge(rocker_port, trans, flags, |
6c707945 | 3377 | ctrl, vlan_id); |
9f6bbf7c SF |
3378 | |
3379 | if (ctrl->term) | |
76c6f945 | 3380 | return rocker_port_ctrl_vlan_term(rocker_port, trans, flags, |
9f6bbf7c SF |
3381 | ctrl, vlan_id); |
3382 | ||
3383 | return -EOPNOTSUPP; | |
3384 | } | |
3385 | ||
3386 | static int rocker_port_ctrl_vlan_add(struct rocker_port *rocker_port, | |
76c6f945 | 3387 | struct switchdev_trans *trans, int flags, |
c4f20321 | 3388 | __be16 vlan_id) |
9f6bbf7c SF |
3389 | { |
3390 | int err = 0; | |
3391 | int i; | |
3392 | ||
3393 | for (i = 0; i < ROCKER_CTRL_MAX; i++) { | |
3394 | if (rocker_port->ctrls[i]) { | |
76c6f945 | 3395 | err = rocker_port_ctrl_vlan(rocker_port, trans, flags, |
9f6bbf7c SF |
3396 | &rocker_ctrls[i], vlan_id); |
3397 | if (err) | |
3398 | return err; | |
3399 | } | |
3400 | } | |
3401 | ||
3402 | return err; | |
3403 | } | |
3404 | ||
c4f20321 | 3405 | static int rocker_port_ctrl(struct rocker_port *rocker_port, |
76c6f945 | 3406 | struct switchdev_trans *trans, int flags, |
e5054643 | 3407 | const struct rocker_ctrl *ctrl) |
9f6bbf7c SF |
3408 | { |
3409 | u16 vid; | |
3410 | int err = 0; | |
3411 | ||
3412 | for (vid = 1; vid < VLAN_N_VID; vid++) { | |
3413 | if (!test_bit(vid, rocker_port->vlan_bitmap)) | |
3414 | continue; | |
76c6f945 | 3415 | err = rocker_port_ctrl_vlan(rocker_port, trans, flags, |
9f6bbf7c SF |
3416 | ctrl, htons(vid)); |
3417 | if (err) | |
3418 | break; | |
3419 | } | |
3420 | ||
3421 | return err; | |
3422 | } | |
3423 | ||
c4f20321 | 3424 | static int rocker_port_vlan(struct rocker_port *rocker_port, |
76c6f945 | 3425 | struct switchdev_trans *trans, int flags, u16 vid) |
6c707945 SF |
3426 | { |
3427 | enum rocker_of_dpa_table_id goto_tbl = | |
3428 | ROCKER_OF_DPA_TABLE_ID_TERMINATION_MAC; | |
4a6bb6d3 | 3429 | u32 in_pport = rocker_port->pport; |
6c707945 SF |
3430 | __be16 vlan_id = htons(vid); |
3431 | __be16 vlan_id_mask = htons(0xffff); | |
3432 | __be16 internal_vlan_id; | |
3433 | bool untagged; | |
3434 | bool adding = !(flags & ROCKER_OP_FLAG_REMOVE); | |
3435 | int err; | |
3436 | ||
3437 | internal_vlan_id = rocker_port_vid_to_vlan(rocker_port, vid, &untagged); | |
3438 | ||
9228ad26 SF |
3439 | if (adding && test_bit(ntohs(internal_vlan_id), |
3440 | rocker_port->vlan_bitmap)) | |
6c707945 | 3441 | return 0; /* already added */ |
9228ad26 SF |
3442 | else if (!adding && !test_bit(ntohs(internal_vlan_id), |
3443 | rocker_port->vlan_bitmap)) | |
6c707945 SF |
3444 | return 0; /* already removed */ |
3445 | ||
9228ad26 SF |
3446 | change_bit(ntohs(internal_vlan_id), rocker_port->vlan_bitmap); |
3447 | ||
6c707945 | 3448 | if (adding) { |
76c6f945 | 3449 | err = rocker_port_ctrl_vlan_add(rocker_port, trans, flags, |
6c707945 SF |
3450 | internal_vlan_id); |
3451 | if (err) { | |
3452 | netdev_err(rocker_port->dev, | |
3453 | "Error (%d) port ctrl vlan add\n", err); | |
9228ad26 | 3454 | goto err_out; |
6c707945 SF |
3455 | } |
3456 | } | |
3457 | ||
76c6f945 | 3458 | err = rocker_port_vlan_l2_groups(rocker_port, trans, flags, |
6c707945 SF |
3459 | internal_vlan_id, untagged); |
3460 | if (err) { | |
3461 | netdev_err(rocker_port->dev, | |
3462 | "Error (%d) port VLAN l2 groups\n", err); | |
9228ad26 | 3463 | goto err_out; |
6c707945 SF |
3464 | } |
3465 | ||
76c6f945 | 3466 | err = rocker_port_vlan_flood_group(rocker_port, trans, flags, |
6c707945 SF |
3467 | internal_vlan_id); |
3468 | if (err) { | |
3469 | netdev_err(rocker_port->dev, | |
3470 | "Error (%d) port VLAN l2 flood group\n", err); | |
9228ad26 | 3471 | goto err_out; |
6c707945 SF |
3472 | } |
3473 | ||
76c6f945 | 3474 | err = rocker_flow_tbl_vlan(rocker_port, trans, flags, |
4a6bb6d3 | 3475 | in_pport, vlan_id, vlan_id_mask, |
6c707945 SF |
3476 | goto_tbl, untagged, internal_vlan_id); |
3477 | if (err) | |
3478 | netdev_err(rocker_port->dev, | |
3479 | "Error (%d) port VLAN table\n", err); | |
3480 | ||
9228ad26 | 3481 | err_out: |
76c6f945 | 3482 | if (switchdev_trans_ph_prepare(trans)) |
9228ad26 SF |
3483 | change_bit(ntohs(internal_vlan_id), rocker_port->vlan_bitmap); |
3484 | ||
6c707945 SF |
3485 | return err; |
3486 | } | |
3487 | ||
c4f20321 | 3488 | static int rocker_port_ig_tbl(struct rocker_port *rocker_port, |
76c6f945 | 3489 | struct switchdev_trans *trans, int flags) |
9f6bbf7c SF |
3490 | { |
3491 | enum rocker_of_dpa_table_id goto_tbl; | |
4a6bb6d3 SF |
3492 | u32 in_pport; |
3493 | u32 in_pport_mask; | |
9f6bbf7c SF |
3494 | int err; |
3495 | ||
3496 | /* Normal Ethernet Frames. Matches pkts from any local physical | |
3497 | * ports. Goto VLAN tbl. | |
3498 | */ | |
3499 | ||
4a6bb6d3 SF |
3500 | in_pport = 0; |
3501 | in_pport_mask = 0xffff0000; | |
9f6bbf7c SF |
3502 | goto_tbl = ROCKER_OF_DPA_TABLE_ID_VLAN; |
3503 | ||
76c6f945 | 3504 | err = rocker_flow_tbl_ig_port(rocker_port, trans, flags, |
4a6bb6d3 | 3505 | in_pport, in_pport_mask, |
9f6bbf7c SF |
3506 | goto_tbl); |
3507 | if (err) | |
3508 | netdev_err(rocker_port->dev, | |
3509 | "Error (%d) ingress port table entry\n", err); | |
3510 | ||
3511 | return err; | |
3512 | } | |
3513 | ||
6c707945 SF |
3514 | struct rocker_fdb_learn_work { |
3515 | struct work_struct work; | |
c4f20321 | 3516 | struct rocker_port *rocker_port; |
76c6f945 | 3517 | struct switchdev_trans *trans; |
6c707945 SF |
3518 | int flags; |
3519 | u8 addr[ETH_ALEN]; | |
3520 | u16 vid; | |
3521 | }; | |
3522 | ||
3523 | static void rocker_port_fdb_learn_work(struct work_struct *work) | |
3524 | { | |
e5054643 | 3525 | const struct rocker_fdb_learn_work *lw = |
6c707945 SF |
3526 | container_of(work, struct rocker_fdb_learn_work, work); |
3527 | bool removing = (lw->flags & ROCKER_OP_FLAG_REMOVE); | |
3528 | bool learned = (lw->flags & ROCKER_OP_FLAG_LEARNED); | |
ebb9a03a | 3529 | struct switchdev_notifier_fdb_info info; |
3aeb6617 JP |
3530 | |
3531 | info.addr = lw->addr; | |
3532 | info.vid = lw->vid; | |
6c707945 | 3533 | |
4f2c6ae5 | 3534 | rtnl_lock(); |
51ace887 | 3535 | if (learned && removing) |
ebb9a03a | 3536 | call_switchdev_notifiers(SWITCHDEV_FDB_DEL, |
c4f20321 | 3537 | lw->rocker_port->dev, &info.info); |
51ace887 | 3538 | else if (learned && !removing) |
ebb9a03a | 3539 | call_switchdev_notifiers(SWITCHDEV_FDB_ADD, |
c4f20321 | 3540 | lw->rocker_port->dev, &info.info); |
4f2c6ae5 | 3541 | rtnl_unlock(); |
6c707945 | 3542 | |
76c6f945 | 3543 | rocker_port_kfree(lw->trans, work); |
6c707945 SF |
3544 | } |
3545 | ||
3546 | static int rocker_port_fdb_learn(struct rocker_port *rocker_port, | |
76c6f945 | 3547 | struct switchdev_trans *trans, int flags, |
c4f20321 | 3548 | const u8 *addr, __be16 vlan_id) |
6c707945 SF |
3549 | { |
3550 | struct rocker_fdb_learn_work *lw; | |
3551 | enum rocker_of_dpa_table_id goto_tbl = | |
3552 | ROCKER_OF_DPA_TABLE_ID_ACL_POLICY; | |
4a6bb6d3 | 3553 | u32 out_pport = rocker_port->pport; |
6c707945 SF |
3554 | u32 tunnel_id = 0; |
3555 | u32 group_id = ROCKER_GROUP_NONE; | |
5111f80c | 3556 | bool syncing = !!(rocker_port->brport_flags & BR_LEARNING_SYNC); |
6c707945 SF |
3557 | bool copy_to_cpu = false; |
3558 | int err; | |
3559 | ||
3560 | if (rocker_port_is_bridged(rocker_port)) | |
4a6bb6d3 | 3561 | group_id = ROCKER_GROUP_L2_INTERFACE(vlan_id, out_pport); |
6c707945 SF |
3562 | |
3563 | if (!(flags & ROCKER_OP_FLAG_REFRESH)) { | |
76c6f945 | 3564 | err = rocker_flow_tbl_bridge(rocker_port, trans, flags, addr, |
c4f20321 | 3565 | NULL, vlan_id, tunnel_id, goto_tbl, |
6c707945 SF |
3566 | group_id, copy_to_cpu); |
3567 | if (err) | |
3568 | return err; | |
3569 | } | |
3570 | ||
5111f80c SF |
3571 | if (!syncing) |
3572 | return 0; | |
3573 | ||
6c707945 SF |
3574 | if (!rocker_port_is_bridged(rocker_port)) |
3575 | return 0; | |
3576 | ||
76c6f945 | 3577 | lw = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*lw)); |
6c707945 SF |
3578 | if (!lw) |
3579 | return -ENOMEM; | |
3580 | ||
3581 | INIT_WORK(&lw->work, rocker_port_fdb_learn_work); | |
3582 | ||
c4f20321 | 3583 | lw->rocker_port = rocker_port; |
76c6f945 | 3584 | lw->trans = trans; |
6c707945 SF |
3585 | lw->flags = flags; |
3586 | ether_addr_copy(lw->addr, addr); | |
3587 | lw->vid = rocker_port_vlan_to_vid(rocker_port, vlan_id); | |
3588 | ||
76c6f945 JP |
3589 | if (switchdev_trans_ph_prepare(trans)) |
3590 | rocker_port_kfree(trans, lw); | |
c4f20321 SF |
3591 | else |
3592 | schedule_work(&lw->work); | |
6c707945 SF |
3593 | |
3594 | return 0; | |
3595 | } | |
3596 | ||
3597 | static struct rocker_fdb_tbl_entry * | |
e5054643 SH |
3598 | rocker_fdb_tbl_find(const struct rocker *rocker, |
3599 | const struct rocker_fdb_tbl_entry *match) | |
6c707945 SF |
3600 | { |
3601 | struct rocker_fdb_tbl_entry *found; | |
3602 | ||
3603 | hash_for_each_possible(rocker->fdb_tbl, found, entry, match->key_crc32) | |
3604 | if (memcmp(&found->key, &match->key, sizeof(found->key)) == 0) | |
3605 | return found; | |
3606 | ||
3607 | return NULL; | |
3608 | } | |
3609 | ||
3610 | static int rocker_port_fdb(struct rocker_port *rocker_port, | |
76c6f945 | 3611 | struct switchdev_trans *trans, |
6c707945 SF |
3612 | const unsigned char *addr, |
3613 | __be16 vlan_id, int flags) | |
3614 | { | |
3615 | struct rocker *rocker = rocker_port->rocker; | |
3616 | struct rocker_fdb_tbl_entry *fdb; | |
3617 | struct rocker_fdb_tbl_entry *found; | |
3618 | bool removing = (flags & ROCKER_OP_FLAG_REMOVE); | |
3619 | unsigned long lock_flags; | |
3620 | ||
76c6f945 | 3621 | fdb = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*fdb)); |
6c707945 SF |
3622 | if (!fdb) |
3623 | return -ENOMEM; | |
3624 | ||
3625 | fdb->learned = (flags & ROCKER_OP_FLAG_LEARNED); | |
a471be41 | 3626 | fdb->touched = jiffies; |
4c660496 | 3627 | fdb->key.rocker_port = rocker_port; |
6c707945 SF |
3628 | ether_addr_copy(fdb->key.addr, addr); |
3629 | fdb->key.vlan_id = vlan_id; | |
3630 | fdb->key_crc32 = crc32(~0, &fdb->key, sizeof(fdb->key)); | |
3631 | ||
3632 | spin_lock_irqsave(&rocker->fdb_tbl_lock, lock_flags); | |
3633 | ||
3634 | found = rocker_fdb_tbl_find(rocker, fdb); | |
3635 | ||
a471be41 SF |
3636 | if (found) { |
3637 | found->touched = jiffies; | |
3638 | if (removing) { | |
76c6f945 JP |
3639 | rocker_port_kfree(trans, fdb); |
3640 | if (!switchdev_trans_ph_prepare(trans)) | |
a471be41 SF |
3641 | hash_del(&found->entry); |
3642 | } | |
3643 | } else if (!removing) { | |
76c6f945 | 3644 | if (!switchdev_trans_ph_prepare(trans)) |
a471be41 SF |
3645 | hash_add(rocker->fdb_tbl, &fdb->entry, |
3646 | fdb->key_crc32); | |
6c707945 SF |
3647 | } |
3648 | ||
3649 | spin_unlock_irqrestore(&rocker->fdb_tbl_lock, lock_flags); | |
3650 | ||
3651 | /* Check if adding and already exists, or removing and can't find */ | |
3652 | if (!found != !removing) { | |
76c6f945 | 3653 | rocker_port_kfree(trans, fdb); |
6c707945 SF |
3654 | if (!found && removing) |
3655 | return 0; | |
3656 | /* Refreshing existing to update aging timers */ | |
3657 | flags |= ROCKER_OP_FLAG_REFRESH; | |
3658 | } | |
3659 | ||
76c6f945 | 3660 | return rocker_port_fdb_learn(rocker_port, trans, flags, addr, vlan_id); |
6c707945 SF |
3661 | } |
3662 | ||
c4f20321 | 3663 | static int rocker_port_fdb_flush(struct rocker_port *rocker_port, |
76c6f945 | 3664 | struct switchdev_trans *trans, int flags) |
6c707945 SF |
3665 | { |
3666 | struct rocker *rocker = rocker_port->rocker; | |
3667 | struct rocker_fdb_tbl_entry *found; | |
3668 | unsigned long lock_flags; | |
6c707945 SF |
3669 | struct hlist_node *tmp; |
3670 | int bkt; | |
3671 | int err = 0; | |
3672 | ||
3673 | if (rocker_port->stp_state == BR_STATE_LEARNING || | |
3674 | rocker_port->stp_state == BR_STATE_FORWARDING) | |
3675 | return 0; | |
3676 | ||
d33eeb64 | 3677 | flags |= ROCKER_OP_FLAG_NOWAIT | ROCKER_OP_FLAG_REMOVE; |
179f9a25 | 3678 | |
6c707945 SF |
3679 | spin_lock_irqsave(&rocker->fdb_tbl_lock, lock_flags); |
3680 | ||
3681 | hash_for_each_safe(rocker->fdb_tbl, bkt, tmp, found, entry) { | |
4c660496 | 3682 | if (found->key.rocker_port != rocker_port) |
6c707945 SF |
3683 | continue; |
3684 | if (!found->learned) | |
3685 | continue; | |
76c6f945 | 3686 | err = rocker_port_fdb_learn(rocker_port, trans, flags, |
6c707945 SF |
3687 | found->key.addr, |
3688 | found->key.vlan_id); | |
3689 | if (err) | |
3690 | goto err_out; | |
76c6f945 | 3691 | if (!switchdev_trans_ph_prepare(trans)) |
3098ac39 | 3692 | hash_del(&found->entry); |
6c707945 SF |
3693 | } |
3694 | ||
3695 | err_out: | |
3696 | spin_unlock_irqrestore(&rocker->fdb_tbl_lock, lock_flags); | |
3697 | ||
3698 | return err; | |
3699 | } | |
3700 | ||
52fe3e2d SF |
3701 | static void rocker_fdb_cleanup(unsigned long data) |
3702 | { | |
3703 | struct rocker *rocker = (struct rocker *)data; | |
3704 | struct rocker_port *rocker_port; | |
3705 | struct rocker_fdb_tbl_entry *entry; | |
3706 | struct hlist_node *tmp; | |
3707 | unsigned long next_timer = jiffies + BR_MIN_AGEING_TIME; | |
3708 | unsigned long expires; | |
3709 | unsigned long lock_flags; | |
3710 | int flags = ROCKER_OP_FLAG_NOWAIT | ROCKER_OP_FLAG_REMOVE | | |
3711 | ROCKER_OP_FLAG_LEARNED; | |
3712 | int bkt; | |
3713 | ||
3714 | spin_lock_irqsave(&rocker->fdb_tbl_lock, lock_flags); | |
3715 | ||
3716 | hash_for_each_safe(rocker->fdb_tbl, bkt, tmp, entry, entry) { | |
3717 | if (!entry->learned) | |
3718 | continue; | |
3719 | rocker_port = entry->key.rocker_port; | |
3720 | expires = entry->touched + rocker_port->ageing_time; | |
3721 | if (time_before_eq(expires, jiffies)) { | |
76c6f945 | 3722 | rocker_port_fdb_learn(rocker_port, NULL, |
52fe3e2d SF |
3723 | flags, entry->key.addr, |
3724 | entry->key.vlan_id); | |
3725 | hash_del(&entry->entry); | |
3726 | } else if (time_before(expires, next_timer)) { | |
3727 | next_timer = expires; | |
3728 | } | |
3729 | } | |
3730 | ||
3731 | spin_unlock_irqrestore(&rocker->fdb_tbl_lock, lock_flags); | |
3732 | ||
3733 | mod_timer(&rocker->fdb_cleanup_timer, round_jiffies_up(next_timer)); | |
3734 | } | |
3735 | ||
9f6bbf7c | 3736 | static int rocker_port_router_mac(struct rocker_port *rocker_port, |
76c6f945 | 3737 | struct switchdev_trans *trans, int flags, |
c4f20321 | 3738 | __be16 vlan_id) |
9f6bbf7c | 3739 | { |
4a6bb6d3 | 3740 | u32 in_pport_mask = 0xffffffff; |
9f6bbf7c SF |
3741 | __be16 eth_type; |
3742 | const u8 *dst_mac_mask = ff_mac; | |
3743 | __be16 vlan_id_mask = htons(0xffff); | |
3744 | bool copy_to_cpu = false; | |
3745 | int err; | |
3746 | ||
3747 | if (ntohs(vlan_id) == 0) | |
3748 | vlan_id = rocker_port->internal_vlan_id; | |
3749 | ||
3750 | eth_type = htons(ETH_P_IP); | |
76c6f945 | 3751 | err = rocker_flow_tbl_term_mac(rocker_port, trans, |
4a6bb6d3 | 3752 | rocker_port->pport, in_pport_mask, |
9f6bbf7c SF |
3753 | eth_type, rocker_port->dev->dev_addr, |
3754 | dst_mac_mask, vlan_id, vlan_id_mask, | |
3755 | copy_to_cpu, flags); | |
3756 | if (err) | |
3757 | return err; | |
3758 | ||
3759 | eth_type = htons(ETH_P_IPV6); | |
76c6f945 | 3760 | err = rocker_flow_tbl_term_mac(rocker_port, trans, |
4a6bb6d3 | 3761 | rocker_port->pport, in_pport_mask, |
9f6bbf7c SF |
3762 | eth_type, rocker_port->dev->dev_addr, |
3763 | dst_mac_mask, vlan_id, vlan_id_mask, | |
3764 | copy_to_cpu, flags); | |
3765 | ||
3766 | return err; | |
3767 | } | |
3768 | ||
c4f20321 | 3769 | static int rocker_port_fwding(struct rocker_port *rocker_port, |
76c6f945 | 3770 | struct switchdev_trans *trans, int flags) |
6c707945 SF |
3771 | { |
3772 | bool pop_vlan; | |
4a6bb6d3 | 3773 | u32 out_pport; |
6c707945 SF |
3774 | __be16 vlan_id; |
3775 | u16 vid; | |
6c707945 SF |
3776 | int err; |
3777 | ||
3778 | /* Port will be forwarding-enabled if its STP state is LEARNING | |
3779 | * or FORWARDING. Traffic from CPU can still egress, regardless of | |
3780 | * port STP state. Use L2 interface group on port VLANs as a way | |
3781 | * to toggle port forwarding: if forwarding is disabled, L2 | |
3782 | * interface group will not exist. | |
3783 | */ | |
3784 | ||
3785 | if (rocker_port->stp_state != BR_STATE_LEARNING && | |
3786 | rocker_port->stp_state != BR_STATE_FORWARDING) | |
3787 | flags |= ROCKER_OP_FLAG_REMOVE; | |
3788 | ||
4a6bb6d3 | 3789 | out_pport = rocker_port->pport; |
6c707945 SF |
3790 | for (vid = 1; vid < VLAN_N_VID; vid++) { |
3791 | if (!test_bit(vid, rocker_port->vlan_bitmap)) | |
3792 | continue; | |
3793 | vlan_id = htons(vid); | |
3794 | pop_vlan = rocker_vlan_id_is_internal(vlan_id); | |
76c6f945 | 3795 | err = rocker_group_l2_interface(rocker_port, trans, flags, |
c4f20321 | 3796 | vlan_id, out_pport, pop_vlan); |
6c707945 SF |
3797 | if (err) { |
3798 | netdev_err(rocker_port->dev, | |
4a6bb6d3 SF |
3799 | "Error (%d) port VLAN l2 group for pport %d\n", |
3800 | err, out_pport); | |
6c707945 SF |
3801 | return err; |
3802 | } | |
3803 | } | |
3804 | ||
3805 | return 0; | |
3806 | } | |
3807 | ||
c4f20321 | 3808 | static int rocker_port_stp_update(struct rocker_port *rocker_port, |
76c6f945 | 3809 | struct switchdev_trans *trans, int flags, |
179f9a25 | 3810 | u8 state) |
6c707945 SF |
3811 | { |
3812 | bool want[ROCKER_CTRL_MAX] = { 0, }; | |
c4f20321 | 3813 | bool prev_ctrls[ROCKER_CTRL_MAX]; |
76c6f945 | 3814 | u8 uninitialized_var(prev_state); |
6c707945 SF |
3815 | int err; |
3816 | int i; | |
3817 | ||
76c6f945 | 3818 | if (switchdev_trans_ph_prepare(trans)) { |
c4f20321 SF |
3819 | memcpy(prev_ctrls, rocker_port->ctrls, sizeof(prev_ctrls)); |
3820 | prev_state = rocker_port->stp_state; | |
3821 | } | |
3822 | ||
6c707945 SF |
3823 | if (rocker_port->stp_state == state) |
3824 | return 0; | |
3825 | ||
3826 | rocker_port->stp_state = state; | |
3827 | ||
3828 | switch (state) { | |
3829 | case BR_STATE_DISABLED: | |
3830 | /* port is completely disabled */ | |
3831 | break; | |
3832 | case BR_STATE_LISTENING: | |
3833 | case BR_STATE_BLOCKING: | |
3834 | want[ROCKER_CTRL_LINK_LOCAL_MCAST] = true; | |
3835 | break; | |
3836 | case BR_STATE_LEARNING: | |
3837 | case BR_STATE_FORWARDING: | |
8254973f SH |
3838 | if (!rocker_port_is_ovsed(rocker_port)) |
3839 | want[ROCKER_CTRL_LINK_LOCAL_MCAST] = true; | |
6c707945 SF |
3840 | want[ROCKER_CTRL_IPV4_MCAST] = true; |
3841 | want[ROCKER_CTRL_IPV6_MCAST] = true; | |
3842 | if (rocker_port_is_bridged(rocker_port)) | |
3843 | want[ROCKER_CTRL_DFLT_BRIDGING] = true; | |
8254973f SH |
3844 | else if (rocker_port_is_ovsed(rocker_port)) |
3845 | want[ROCKER_CTRL_DFLT_OVS] = true; | |
6c707945 SF |
3846 | else |
3847 | want[ROCKER_CTRL_LOCAL_ARP] = true; | |
3848 | break; | |
3849 | } | |
3850 | ||
3851 | for (i = 0; i < ROCKER_CTRL_MAX; i++) { | |
3852 | if (want[i] != rocker_port->ctrls[i]) { | |
179f9a25 SF |
3853 | int ctrl_flags = flags | |
3854 | (want[i] ? 0 : ROCKER_OP_FLAG_REMOVE); | |
76c6f945 | 3855 | err = rocker_port_ctrl(rocker_port, trans, ctrl_flags, |
6c707945 SF |
3856 | &rocker_ctrls[i]); |
3857 | if (err) | |
c4f20321 | 3858 | goto err_out; |
6c707945 SF |
3859 | rocker_port->ctrls[i] = want[i]; |
3860 | } | |
3861 | } | |
3862 | ||
76c6f945 | 3863 | err = rocker_port_fdb_flush(rocker_port, trans, flags); |
6c707945 | 3864 | if (err) |
c4f20321 | 3865 | goto err_out; |
6c707945 | 3866 | |
76c6f945 | 3867 | err = rocker_port_fwding(rocker_port, trans, flags); |
c4f20321 SF |
3868 | |
3869 | err_out: | |
76c6f945 | 3870 | if (switchdev_trans_ph_prepare(trans)) { |
c4f20321 SF |
3871 | memcpy(rocker_port->ctrls, prev_ctrls, sizeof(prev_ctrls)); |
3872 | rocker_port->stp_state = prev_state; | |
3873 | } | |
3874 | ||
3875 | return err; | |
6c707945 SF |
3876 | } |
3877 | ||
c4f20321 | 3878 | static int rocker_port_fwd_enable(struct rocker_port *rocker_port, |
76c6f945 | 3879 | struct switchdev_trans *trans, int flags) |
e47172ab SF |
3880 | { |
3881 | if (rocker_port_is_bridged(rocker_port)) | |
3882 | /* bridge STP will enable port */ | |
3883 | return 0; | |
3884 | ||
3885 | /* port is not bridged, so simulate going to FORWARDING state */ | |
76c6f945 | 3886 | return rocker_port_stp_update(rocker_port, trans, flags, |
179f9a25 | 3887 | BR_STATE_FORWARDING); |
e47172ab SF |
3888 | } |
3889 | ||
c4f20321 | 3890 | static int rocker_port_fwd_disable(struct rocker_port *rocker_port, |
76c6f945 | 3891 | struct switchdev_trans *trans, int flags) |
e47172ab SF |
3892 | { |
3893 | if (rocker_port_is_bridged(rocker_port)) | |
3894 | /* bridge STP will disable port */ | |
3895 | return 0; | |
3896 | ||
3897 | /* port is not bridged, so simulate going to DISABLED state */ | |
76c6f945 | 3898 | return rocker_port_stp_update(rocker_port, trans, flags, |
179f9a25 | 3899 | BR_STATE_DISABLED); |
e47172ab SF |
3900 | } |
3901 | ||
9f6bbf7c | 3902 | static struct rocker_internal_vlan_tbl_entry * |
e5054643 | 3903 | rocker_internal_vlan_tbl_find(const struct rocker *rocker, int ifindex) |
9f6bbf7c SF |
3904 | { |
3905 | struct rocker_internal_vlan_tbl_entry *found; | |
3906 | ||
3907 | hash_for_each_possible(rocker->internal_vlan_tbl, found, | |
3908 | entry, ifindex) { | |
3909 | if (found->ifindex == ifindex) | |
3910 | return found; | |
3911 | } | |
3912 | ||
3913 | return NULL; | |
3914 | } | |
3915 | ||
3916 | static __be16 rocker_port_internal_vlan_id_get(struct rocker_port *rocker_port, | |
3917 | int ifindex) | |
3918 | { | |
3919 | struct rocker *rocker = rocker_port->rocker; | |
3920 | struct rocker_internal_vlan_tbl_entry *entry; | |
3921 | struct rocker_internal_vlan_tbl_entry *found; | |
3922 | unsigned long lock_flags; | |
3923 | int i; | |
3924 | ||
df6a2067 | 3925 | entry = kzalloc(sizeof(*entry), GFP_KERNEL); |
9f6bbf7c SF |
3926 | if (!entry) |
3927 | return 0; | |
3928 | ||
3929 | entry->ifindex = ifindex; | |
3930 | ||
3931 | spin_lock_irqsave(&rocker->internal_vlan_tbl_lock, lock_flags); | |
3932 | ||
3933 | found = rocker_internal_vlan_tbl_find(rocker, ifindex); | |
3934 | if (found) { | |
df6a2067 | 3935 | kfree(entry); |
9f6bbf7c SF |
3936 | goto found; |
3937 | } | |
3938 | ||
3939 | found = entry; | |
3940 | hash_add(rocker->internal_vlan_tbl, &found->entry, found->ifindex); | |
3941 | ||
3942 | for (i = 0; i < ROCKER_N_INTERNAL_VLANS; i++) { | |
3943 | if (test_and_set_bit(i, rocker->internal_vlan_bitmap)) | |
3944 | continue; | |
3945 | found->vlan_id = htons(ROCKER_INTERNAL_VLAN_ID_BASE + i); | |
3946 | goto found; | |
3947 | } | |
3948 | ||
3949 | netdev_err(rocker_port->dev, "Out of internal VLAN IDs\n"); | |
3950 | ||
3951 | found: | |
3952 | found->ref_count++; | |
3953 | spin_unlock_irqrestore(&rocker->internal_vlan_tbl_lock, lock_flags); | |
3954 | ||
3955 | return found->vlan_id; | |
3956 | } | |
3957 | ||
e5054643 SH |
3958 | static void |
3959 | rocker_port_internal_vlan_id_put(const struct rocker_port *rocker_port, | |
3960 | int ifindex) | |
9f6bbf7c SF |
3961 | { |
3962 | struct rocker *rocker = rocker_port->rocker; | |
3963 | struct rocker_internal_vlan_tbl_entry *found; | |
3964 | unsigned long lock_flags; | |
3965 | unsigned long bit; | |
3966 | ||
3967 | spin_lock_irqsave(&rocker->internal_vlan_tbl_lock, lock_flags); | |
3968 | ||
3969 | found = rocker_internal_vlan_tbl_find(rocker, ifindex); | |
3970 | if (!found) { | |
3971 | netdev_err(rocker_port->dev, | |
3972 | "ifindex (%d) not found in internal VLAN tbl\n", | |
3973 | ifindex); | |
3974 | goto not_found; | |
3975 | } | |
3976 | ||
3977 | if (--found->ref_count <= 0) { | |
3978 | bit = ntohs(found->vlan_id) - ROCKER_INTERNAL_VLAN_ID_BASE; | |
3979 | clear_bit(bit, rocker->internal_vlan_bitmap); | |
3980 | hash_del(&found->entry); | |
df6a2067 | 3981 | kfree(found); |
9f6bbf7c SF |
3982 | } |
3983 | ||
3984 | not_found: | |
3985 | spin_unlock_irqrestore(&rocker->internal_vlan_tbl_lock, lock_flags); | |
3986 | } | |
3987 | ||
c4f20321 | 3988 | static int rocker_port_fib_ipv4(struct rocker_port *rocker_port, |
76c6f945 | 3989 | struct switchdev_trans *trans, __be32 dst, |
e5054643 SH |
3990 | int dst_len, const struct fib_info *fi, |
3991 | u32 tb_id, int flags) | |
c1beeef7 | 3992 | { |
e5054643 | 3993 | const struct fib_nh *nh; |
c1beeef7 SF |
3994 | __be16 eth_type = htons(ETH_P_IP); |
3995 | __be32 dst_mask = inet_make_mask(dst_len); | |
3996 | __be16 internal_vlan_id = rocker_port->internal_vlan_id; | |
3997 | u32 priority = fi->fib_priority; | |
3998 | enum rocker_of_dpa_table_id goto_tbl = | |
3999 | ROCKER_OF_DPA_TABLE_ID_ACL_POLICY; | |
4000 | u32 group_id; | |
4001 | bool nh_on_port; | |
4002 | bool has_gw; | |
4003 | u32 index; | |
4004 | int err; | |
4005 | ||
4006 | /* XXX support ECMP */ | |
4007 | ||
4008 | nh = fi->fib_nh; | |
4009 | nh_on_port = (fi->fib_dev == rocker_port->dev); | |
4010 | has_gw = !!nh->nh_gw; | |
4011 | ||
4012 | if (has_gw && nh_on_port) { | |
76c6f945 | 4013 | err = rocker_port_ipv4_nh(rocker_port, trans, flags, |
c1beeef7 SF |
4014 | nh->nh_gw, &index); |
4015 | if (err) | |
4016 | return err; | |
4017 | ||
4018 | group_id = ROCKER_GROUP_L3_UNICAST(index); | |
4019 | } else { | |
4020 | /* Send to CPU for processing */ | |
4021 | group_id = ROCKER_GROUP_L2_INTERFACE(internal_vlan_id, 0); | |
4022 | } | |
4023 | ||
76c6f945 | 4024 | err = rocker_flow_tbl_ucast4_routing(rocker_port, trans, eth_type, dst, |
c1beeef7 SF |
4025 | dst_mask, priority, goto_tbl, |
4026 | group_id, flags); | |
4027 | if (err) | |
4028 | netdev_err(rocker_port->dev, "Error (%d) IPv4 route %pI4\n", | |
4029 | err, &dst); | |
4030 | ||
4031 | return err; | |
4032 | } | |
4033 | ||
4b8ac966 JP |
4034 | /***************** |
4035 | * Net device ops | |
4036 | *****************/ | |
4037 | ||
4038 | static int rocker_port_open(struct net_device *dev) | |
4039 | { | |
4040 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4041 | int err; | |
4042 | ||
4043 | err = rocker_port_dma_rings_init(rocker_port); | |
4044 | if (err) | |
4045 | return err; | |
4046 | ||
4047 | err = request_irq(rocker_msix_tx_vector(rocker_port), | |
4048 | rocker_tx_irq_handler, 0, | |
4049 | rocker_driver_name, rocker_port); | |
4050 | if (err) { | |
4051 | netdev_err(rocker_port->dev, "cannot assign tx irq\n"); | |
4052 | goto err_request_tx_irq; | |
4053 | } | |
4054 | ||
4055 | err = request_irq(rocker_msix_rx_vector(rocker_port), | |
4056 | rocker_rx_irq_handler, 0, | |
4057 | rocker_driver_name, rocker_port); | |
4058 | if (err) { | |
4059 | netdev_err(rocker_port->dev, "cannot assign rx irq\n"); | |
4060 | goto err_request_rx_irq; | |
4061 | } | |
4062 | ||
76c6f945 | 4063 | err = rocker_port_fwd_enable(rocker_port, NULL, 0); |
6c707945 | 4064 | if (err) |
e47172ab | 4065 | goto err_fwd_enable; |
6c707945 | 4066 | |
4b8ac966 JP |
4067 | napi_enable(&rocker_port->napi_tx); |
4068 | napi_enable(&rocker_port->napi_rx); | |
c3055246 AK |
4069 | if (!dev->proto_down) |
4070 | rocker_port_set_enable(rocker_port, true); | |
4b8ac966 JP |
4071 | netif_start_queue(dev); |
4072 | return 0; | |
4073 | ||
e47172ab | 4074 | err_fwd_enable: |
6c707945 | 4075 | free_irq(rocker_msix_rx_vector(rocker_port), rocker_port); |
4b8ac966 JP |
4076 | err_request_rx_irq: |
4077 | free_irq(rocker_msix_tx_vector(rocker_port), rocker_port); | |
4078 | err_request_tx_irq: | |
4079 | rocker_port_dma_rings_fini(rocker_port); | |
4080 | return err; | |
4081 | } | |
4082 | ||
4083 | static int rocker_port_stop(struct net_device *dev) | |
4084 | { | |
4085 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4086 | ||
4087 | netif_stop_queue(dev); | |
4088 | rocker_port_set_enable(rocker_port, false); | |
4089 | napi_disable(&rocker_port->napi_rx); | |
4090 | napi_disable(&rocker_port->napi_tx); | |
76c6f945 | 4091 | rocker_port_fwd_disable(rocker_port, NULL, |
f66feaa9 | 4092 | ROCKER_OP_FLAG_NOWAIT); |
4b8ac966 JP |
4093 | free_irq(rocker_msix_rx_vector(rocker_port), rocker_port); |
4094 | free_irq(rocker_msix_tx_vector(rocker_port), rocker_port); | |
4095 | rocker_port_dma_rings_fini(rocker_port); | |
4096 | ||
4097 | return 0; | |
4098 | } | |
4099 | ||
e5054643 SH |
4100 | static void rocker_tx_desc_frags_unmap(const struct rocker_port *rocker_port, |
4101 | const struct rocker_desc_info *desc_info) | |
4b8ac966 | 4102 | { |
e5054643 | 4103 | const struct rocker *rocker = rocker_port->rocker; |
4b8ac966 | 4104 | struct pci_dev *pdev = rocker->pdev; |
e5054643 | 4105 | const struct rocker_tlv *attrs[ROCKER_TLV_TX_MAX + 1]; |
4b8ac966 JP |
4106 | struct rocker_tlv *attr; |
4107 | int rem; | |
4108 | ||
4109 | rocker_tlv_parse_desc(attrs, ROCKER_TLV_TX_MAX, desc_info); | |
4110 | if (!attrs[ROCKER_TLV_TX_FRAGS]) | |
4111 | return; | |
4112 | rocker_tlv_for_each_nested(attr, attrs[ROCKER_TLV_TX_FRAGS], rem) { | |
e5054643 | 4113 | const struct rocker_tlv *frag_attrs[ROCKER_TLV_TX_FRAG_ATTR_MAX + 1]; |
4b8ac966 JP |
4114 | dma_addr_t dma_handle; |
4115 | size_t len; | |
4116 | ||
4117 | if (rocker_tlv_type(attr) != ROCKER_TLV_TX_FRAG) | |
4118 | continue; | |
4119 | rocker_tlv_parse_nested(frag_attrs, ROCKER_TLV_TX_FRAG_ATTR_MAX, | |
4120 | attr); | |
4121 | if (!frag_attrs[ROCKER_TLV_TX_FRAG_ATTR_ADDR] || | |
4122 | !frag_attrs[ROCKER_TLV_TX_FRAG_ATTR_LEN]) | |
4123 | continue; | |
4124 | dma_handle = rocker_tlv_get_u64(frag_attrs[ROCKER_TLV_TX_FRAG_ATTR_ADDR]); | |
4125 | len = rocker_tlv_get_u16(frag_attrs[ROCKER_TLV_TX_FRAG_ATTR_LEN]); | |
4126 | pci_unmap_single(pdev, dma_handle, len, DMA_TO_DEVICE); | |
4127 | } | |
4128 | } | |
4129 | ||
e5054643 | 4130 | static int rocker_tx_desc_frag_map_put(const struct rocker_port *rocker_port, |
4b8ac966 JP |
4131 | struct rocker_desc_info *desc_info, |
4132 | char *buf, size_t buf_len) | |
4133 | { | |
e5054643 | 4134 | const struct rocker *rocker = rocker_port->rocker; |
4b8ac966 JP |
4135 | struct pci_dev *pdev = rocker->pdev; |
4136 | dma_addr_t dma_handle; | |
4137 | struct rocker_tlv *frag; | |
4138 | ||
4139 | dma_handle = pci_map_single(pdev, buf, buf_len, DMA_TO_DEVICE); | |
4140 | if (unlikely(pci_dma_mapping_error(pdev, dma_handle))) { | |
4141 | if (net_ratelimit()) | |
4142 | netdev_err(rocker_port->dev, "failed to dma map tx frag\n"); | |
4143 | return -EIO; | |
4144 | } | |
4145 | frag = rocker_tlv_nest_start(desc_info, ROCKER_TLV_TX_FRAG); | |
4146 | if (!frag) | |
4147 | goto unmap_frag; | |
4148 | if (rocker_tlv_put_u64(desc_info, ROCKER_TLV_TX_FRAG_ATTR_ADDR, | |
4149 | dma_handle)) | |
4150 | goto nest_cancel; | |
4151 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_TX_FRAG_ATTR_LEN, | |
4152 | buf_len)) | |
4153 | goto nest_cancel; | |
4154 | rocker_tlv_nest_end(desc_info, frag); | |
4155 | return 0; | |
4156 | ||
4157 | nest_cancel: | |
4158 | rocker_tlv_nest_cancel(desc_info, frag); | |
4159 | unmap_frag: | |
4160 | pci_unmap_single(pdev, dma_handle, buf_len, DMA_TO_DEVICE); | |
4161 | return -EMSGSIZE; | |
4162 | } | |
4163 | ||
4164 | static netdev_tx_t rocker_port_xmit(struct sk_buff *skb, struct net_device *dev) | |
4165 | { | |
4166 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4167 | struct rocker *rocker = rocker_port->rocker; | |
4168 | struct rocker_desc_info *desc_info; | |
4169 | struct rocker_tlv *frags; | |
4170 | int i; | |
4171 | int err; | |
4172 | ||
4173 | desc_info = rocker_desc_head_get(&rocker_port->tx_ring); | |
4174 | if (unlikely(!desc_info)) { | |
4175 | if (net_ratelimit()) | |
4176 | netdev_err(dev, "tx ring full when queue awake\n"); | |
4177 | return NETDEV_TX_BUSY; | |
4178 | } | |
4179 | ||
4180 | rocker_desc_cookie_ptr_set(desc_info, skb); | |
4181 | ||
4182 | frags = rocker_tlv_nest_start(desc_info, ROCKER_TLV_TX_FRAGS); | |
4183 | if (!frags) | |
4184 | goto out; | |
4185 | err = rocker_tx_desc_frag_map_put(rocker_port, desc_info, | |
4186 | skb->data, skb_headlen(skb)); | |
4187 | if (err) | |
4188 | goto nest_cancel; | |
95b9be64 JP |
4189 | if (skb_shinfo(skb)->nr_frags > ROCKER_TX_FRAGS_MAX) { |
4190 | err = skb_linearize(skb); | |
4191 | if (err) | |
4192 | goto unmap_frags; | |
4193 | } | |
4b8ac966 JP |
4194 | |
4195 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { | |
4196 | const skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; | |
4197 | ||
4198 | err = rocker_tx_desc_frag_map_put(rocker_port, desc_info, | |
4199 | skb_frag_address(frag), | |
4200 | skb_frag_size(frag)); | |
4201 | if (err) | |
4202 | goto unmap_frags; | |
4203 | } | |
4204 | rocker_tlv_nest_end(desc_info, frags); | |
4205 | ||
4206 | rocker_desc_gen_clear(desc_info); | |
4207 | rocker_desc_head_set(rocker, &rocker_port->tx_ring, desc_info); | |
4208 | ||
4209 | desc_info = rocker_desc_head_get(&rocker_port->tx_ring); | |
4210 | if (!desc_info) | |
4211 | netif_stop_queue(dev); | |
4212 | ||
4213 | return NETDEV_TX_OK; | |
4214 | ||
4215 | unmap_frags: | |
4216 | rocker_tx_desc_frags_unmap(rocker_port, desc_info); | |
4217 | nest_cancel: | |
4218 | rocker_tlv_nest_cancel(desc_info, frags); | |
4219 | out: | |
4220 | dev_kfree_skb(skb); | |
f2bbca51 DA |
4221 | dev->stats.tx_dropped++; |
4222 | ||
4b8ac966 JP |
4223 | return NETDEV_TX_OK; |
4224 | } | |
4225 | ||
4226 | static int rocker_port_set_mac_address(struct net_device *dev, void *p) | |
4227 | { | |
4228 | struct sockaddr *addr = p; | |
4229 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4230 | int err; | |
4231 | ||
4232 | if (!is_valid_ether_addr(addr->sa_data)) | |
4233 | return -EADDRNOTAVAIL; | |
4234 | ||
4235 | err = rocker_cmd_set_port_settings_macaddr(rocker_port, addr->sa_data); | |
4236 | if (err) | |
4237 | return err; | |
4238 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); | |
4239 | return 0; | |
4240 | } | |
4241 | ||
77a58c74 SF |
4242 | static int rocker_port_change_mtu(struct net_device *dev, int new_mtu) |
4243 | { | |
4244 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4245 | int running = netif_running(dev); | |
4246 | int err; | |
4247 | ||
4248 | #define ROCKER_PORT_MIN_MTU 68 | |
4249 | #define ROCKER_PORT_MAX_MTU 9000 | |
4250 | ||
4251 | if (new_mtu < ROCKER_PORT_MIN_MTU || new_mtu > ROCKER_PORT_MAX_MTU) | |
4252 | return -EINVAL; | |
4253 | ||
4254 | if (running) | |
4255 | rocker_port_stop(dev); | |
4256 | ||
4257 | netdev_info(dev, "MTU change from %d to %d\n", dev->mtu, new_mtu); | |
4258 | dev->mtu = new_mtu; | |
4259 | ||
4260 | err = rocker_cmd_set_port_settings_mtu(rocker_port, new_mtu); | |
4261 | if (err) | |
4262 | return err; | |
4263 | ||
4264 | if (running) | |
4265 | err = rocker_port_open(dev); | |
4266 | ||
4267 | return err; | |
4268 | } | |
4269 | ||
db19170b DA |
4270 | static int rocker_port_get_phys_port_name(struct net_device *dev, |
4271 | char *buf, size_t len) | |
4272 | { | |
4273 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4274 | struct port_name name = { .buf = buf, .len = len }; | |
4275 | int err; | |
4276 | ||
76c6f945 | 4277 | err = rocker_cmd_exec(rocker_port, NULL, 0, |
db19170b DA |
4278 | rocker_cmd_get_port_settings_prep, NULL, |
4279 | rocker_cmd_get_port_settings_phys_name_proc, | |
c4f20321 | 4280 | &name); |
db19170b DA |
4281 | |
4282 | return err ? -EOPNOTSUPP : 0; | |
4283 | } | |
4284 | ||
c3055246 AK |
4285 | static int rocker_port_change_proto_down(struct net_device *dev, |
4286 | bool proto_down) | |
4287 | { | |
4288 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4289 | ||
4290 | if (rocker_port->dev->flags & IFF_UP) | |
4291 | rocker_port_set_enable(rocker_port, !proto_down); | |
4292 | rocker_port->dev->proto_down = proto_down; | |
4293 | return 0; | |
4294 | } | |
4295 | ||
dd19f83d SF |
4296 | static void rocker_port_neigh_destroy(struct neighbour *n) |
4297 | { | |
4298 | struct rocker_port *rocker_port = netdev_priv(n->dev); | |
4299 | int flags = ROCKER_OP_FLAG_REMOVE | ROCKER_OP_FLAG_NOWAIT; | |
4300 | __be32 ip_addr = *(__be32 *)n->primary_key; | |
4301 | ||
76c6f945 | 4302 | rocker_port_ipv4_neigh(rocker_port, NULL, |
dd19f83d SF |
4303 | flags, ip_addr, n->ha); |
4304 | } | |
4305 | ||
98237d43 SF |
4306 | static const struct net_device_ops rocker_port_netdev_ops = { |
4307 | .ndo_open = rocker_port_open, | |
4308 | .ndo_stop = rocker_port_stop, | |
4309 | .ndo_start_xmit = rocker_port_xmit, | |
4310 | .ndo_set_mac_address = rocker_port_set_mac_address, | |
77a58c74 | 4311 | .ndo_change_mtu = rocker_port_change_mtu, |
85fdb956 | 4312 | .ndo_bridge_getlink = switchdev_port_bridge_getlink, |
fc8f40d8 | 4313 | .ndo_bridge_setlink = switchdev_port_bridge_setlink, |
54ba5a0b | 4314 | .ndo_bridge_dellink = switchdev_port_bridge_dellink, |
45d4122c SS |
4315 | .ndo_fdb_add = switchdev_port_fdb_add, |
4316 | .ndo_fdb_del = switchdev_port_fdb_del, | |
4317 | .ndo_fdb_dump = switchdev_port_fdb_dump, | |
db19170b | 4318 | .ndo_get_phys_port_name = rocker_port_get_phys_port_name, |
c3055246 | 4319 | .ndo_change_proto_down = rocker_port_change_proto_down, |
dd19f83d | 4320 | .ndo_neigh_destroy = rocker_port_neigh_destroy, |
98237d43 SF |
4321 | }; |
4322 | ||
4323 | /******************** | |
4324 | * swdev interface | |
4325 | ********************/ | |
4326 | ||
f8e20a9f SF |
4327 | static int rocker_port_attr_get(struct net_device *dev, |
4328 | struct switchdev_attr *attr) | |
4b8ac966 | 4329 | { |
e5054643 SH |
4330 | const struct rocker_port *rocker_port = netdev_priv(dev); |
4331 | const struct rocker *rocker = rocker_port->rocker; | |
4b8ac966 | 4332 | |
f8e20a9f | 4333 | switch (attr->id) { |
1f868398 | 4334 | case SWITCHDEV_ATTR_ID_PORT_PARENT_ID: |
42275bd8 SF |
4335 | attr->u.ppid.id_len = sizeof(rocker->hw.id); |
4336 | memcpy(&attr->u.ppid.id, &rocker->hw.id, attr->u.ppid.id_len); | |
f8e20a9f | 4337 | break; |
1f868398 | 4338 | case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS: |
42275bd8 | 4339 | attr->u.brport_flags = rocker_port->brport_flags; |
6004c867 | 4340 | break; |
f8e20a9f SF |
4341 | default: |
4342 | return -EOPNOTSUPP; | |
4343 | } | |
4344 | ||
4b8ac966 JP |
4345 | return 0; |
4346 | } | |
4347 | ||
6004c867 | 4348 | static int rocker_port_brport_flags_set(struct rocker_port *rocker_port, |
76c6f945 | 4349 | struct switchdev_trans *trans, |
6004c867 SF |
4350 | unsigned long brport_flags) |
4351 | { | |
4352 | unsigned long orig_flags; | |
4353 | int err = 0; | |
4354 | ||
4355 | orig_flags = rocker_port->brport_flags; | |
4356 | rocker_port->brport_flags = brport_flags; | |
4357 | if ((orig_flags ^ rocker_port->brport_flags) & BR_LEARNING) | |
76c6f945 | 4358 | err = rocker_port_set_learning(rocker_port, trans); |
6004c867 | 4359 | |
76c6f945 | 4360 | if (switchdev_trans_ph_prepare(trans)) |
6004c867 SF |
4361 | rocker_port->brport_flags = orig_flags; |
4362 | ||
4363 | return err; | |
4364 | } | |
4365 | ||
d0cf57f9 SF |
4366 | static int rocker_port_bridge_ageing_time(struct rocker_port *rocker_port, |
4367 | struct switchdev_trans *trans, | |
4368 | u32 ageing_time) | |
4369 | { | |
4370 | if (!switchdev_trans_ph_prepare(trans)) { | |
4371 | rocker_port->ageing_time = clock_t_to_jiffies(ageing_time); | |
4372 | mod_timer(&rocker_port->rocker->fdb_cleanup_timer, jiffies); | |
4373 | } | |
4374 | ||
4375 | return 0; | |
4376 | } | |
4377 | ||
c4f20321 | 4378 | static int rocker_port_attr_set(struct net_device *dev, |
f7fadf30 | 4379 | const struct switchdev_attr *attr, |
7ea6eb3f | 4380 | struct switchdev_trans *trans) |
c4f20321 SF |
4381 | { |
4382 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4383 | int err = 0; | |
4384 | ||
c4f20321 | 4385 | switch (attr->id) { |
1f868398 | 4386 | case SWITCHDEV_ATTR_ID_PORT_STP_STATE: |
d33eeb64 | 4387 | err = rocker_port_stp_update(rocker_port, trans, 0, |
42275bd8 | 4388 | attr->u.stp_state); |
35636062 | 4389 | break; |
1f868398 | 4390 | case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS: |
76c6f945 | 4391 | err = rocker_port_brport_flags_set(rocker_port, trans, |
42275bd8 | 4392 | attr->u.brport_flags); |
6004c867 | 4393 | break; |
d0cf57f9 SF |
4394 | case SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME: |
4395 | err = rocker_port_bridge_ageing_time(rocker_port, trans, | |
4396 | attr->u.ageing_time); | |
4397 | break; | |
c4f20321 SF |
4398 | default: |
4399 | err = -EOPNOTSUPP; | |
4400 | break; | |
4401 | } | |
4402 | ||
4403 | return err; | |
6c707945 SF |
4404 | } |
4405 | ||
9228ad26 | 4406 | static int rocker_port_vlan_add(struct rocker_port *rocker_port, |
76c6f945 JP |
4407 | struct switchdev_trans *trans, |
4408 | u16 vid, u16 flags) | |
9228ad26 SF |
4409 | { |
4410 | int err; | |
4411 | ||
4412 | /* XXX deal with flags for PVID and untagged */ | |
4413 | ||
76c6f945 | 4414 | err = rocker_port_vlan(rocker_port, trans, 0, vid); |
9228ad26 SF |
4415 | if (err) |
4416 | return err; | |
4417 | ||
76c6f945 | 4418 | err = rocker_port_router_mac(rocker_port, trans, 0, htons(vid)); |
cec04a60 | 4419 | if (err) |
76c6f945 | 4420 | rocker_port_vlan(rocker_port, trans, |
cec04a60 SF |
4421 | ROCKER_OP_FLAG_REMOVE, vid); |
4422 | ||
4423 | return err; | |
9228ad26 SF |
4424 | } |
4425 | ||
4426 | static int rocker_port_vlans_add(struct rocker_port *rocker_port, | |
76c6f945 | 4427 | struct switchdev_trans *trans, |
8f24f309 | 4428 | const struct switchdev_obj_port_vlan *vlan) |
9228ad26 SF |
4429 | { |
4430 | u16 vid; | |
4431 | int err; | |
4432 | ||
3e3a78b4 | 4433 | for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) { |
76c6f945 | 4434 | err = rocker_port_vlan_add(rocker_port, trans, |
9228ad26 SF |
4435 | vid, vlan->flags); |
4436 | if (err) | |
4437 | return err; | |
4438 | } | |
4439 | ||
4440 | return 0; | |
4441 | } | |
4442 | ||
45d4122c | 4443 | static int rocker_port_fdb_add(struct rocker_port *rocker_port, |
76c6f945 | 4444 | struct switchdev_trans *trans, |
52ba57cf | 4445 | const struct switchdev_obj_port_fdb *fdb) |
45d4122c SS |
4446 | { |
4447 | __be16 vlan_id = rocker_port_vid_to_vlan(rocker_port, fdb->vid, NULL); | |
4448 | int flags = 0; | |
4449 | ||
4450 | if (!rocker_port_is_bridged(rocker_port)) | |
4451 | return -EINVAL; | |
4452 | ||
76c6f945 | 4453 | return rocker_port_fdb(rocker_port, trans, fdb->addr, vlan_id, flags); |
45d4122c SS |
4454 | } |
4455 | ||
9228ad26 | 4456 | static int rocker_port_obj_add(struct net_device *dev, |
648b4a99 | 4457 | const struct switchdev_obj *obj, |
7ea6eb3f | 4458 | struct switchdev_trans *trans) |
9228ad26 SF |
4459 | { |
4460 | struct rocker_port *rocker_port = netdev_priv(dev); | |
e5054643 | 4461 | const struct switchdev_obj_ipv4_fib *fib4; |
9228ad26 SF |
4462 | int err = 0; |
4463 | ||
9e8f4a54 | 4464 | switch (obj->id) { |
57d80838 | 4465 | case SWITCHDEV_OBJ_ID_PORT_VLAN: |
648b4a99 JP |
4466 | err = rocker_port_vlans_add(rocker_port, trans, |
4467 | SWITCHDEV_OBJ_PORT_VLAN(obj)); | |
9228ad26 | 4468 | break; |
57d80838 | 4469 | case SWITCHDEV_OBJ_ID_IPV4_FIB: |
648b4a99 | 4470 | fib4 = SWITCHDEV_OBJ_IPV4_FIB(obj); |
76c6f945 | 4471 | err = rocker_port_fib_ipv4(rocker_port, trans, |
7a7ee531 | 4472 | htonl(fib4->dst), fib4->dst_len, |
850d0cbc | 4473 | &fib4->fi, fib4->tb_id, 0); |
58c2cb16 | 4474 | break; |
57d80838 | 4475 | case SWITCHDEV_OBJ_ID_PORT_FDB: |
648b4a99 JP |
4476 | err = rocker_port_fdb_add(rocker_port, trans, |
4477 | SWITCHDEV_OBJ_PORT_FDB(obj)); | |
45d4122c | 4478 | break; |
9228ad26 SF |
4479 | default: |
4480 | err = -EOPNOTSUPP; | |
4481 | break; | |
4482 | } | |
4483 | ||
4484 | return err; | |
4485 | } | |
4486 | ||
4487 | static int rocker_port_vlan_del(struct rocker_port *rocker_port, | |
4488 | u16 vid, u16 flags) | |
4489 | { | |
4490 | int err; | |
4491 | ||
76c6f945 | 4492 | err = rocker_port_router_mac(rocker_port, NULL, |
9228ad26 SF |
4493 | ROCKER_OP_FLAG_REMOVE, htons(vid)); |
4494 | if (err) | |
4495 | return err; | |
4496 | ||
76c6f945 | 4497 | return rocker_port_vlan(rocker_port, NULL, |
9228ad26 SF |
4498 | ROCKER_OP_FLAG_REMOVE, vid); |
4499 | } | |
4500 | ||
4501 | static int rocker_port_vlans_del(struct rocker_port *rocker_port, | |
8f24f309 | 4502 | const struct switchdev_obj_port_vlan *vlan) |
9228ad26 SF |
4503 | { |
4504 | u16 vid; | |
4505 | int err; | |
4506 | ||
3e3a78b4 | 4507 | for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) { |
9228ad26 SF |
4508 | err = rocker_port_vlan_del(rocker_port, vid, vlan->flags); |
4509 | if (err) | |
4510 | return err; | |
4511 | } | |
4512 | ||
4513 | return 0; | |
4514 | } | |
4515 | ||
45d4122c | 4516 | static int rocker_port_fdb_del(struct rocker_port *rocker_port, |
76c6f945 | 4517 | struct switchdev_trans *trans, |
52ba57cf | 4518 | const struct switchdev_obj_port_fdb *fdb) |
45d4122c SS |
4519 | { |
4520 | __be16 vlan_id = rocker_port_vid_to_vlan(rocker_port, fdb->vid, NULL); | |
d33eeb64 | 4521 | int flags = ROCKER_OP_FLAG_REMOVE; |
45d4122c SS |
4522 | |
4523 | if (!rocker_port_is_bridged(rocker_port)) | |
4524 | return -EINVAL; | |
4525 | ||
76c6f945 | 4526 | return rocker_port_fdb(rocker_port, trans, fdb->addr, vlan_id, flags); |
45d4122c SS |
4527 | } |
4528 | ||
9228ad26 | 4529 | static int rocker_port_obj_del(struct net_device *dev, |
648b4a99 | 4530 | const struct switchdev_obj *obj) |
9228ad26 SF |
4531 | { |
4532 | struct rocker_port *rocker_port = netdev_priv(dev); | |
e5054643 | 4533 | const struct switchdev_obj_ipv4_fib *fib4; |
9228ad26 SF |
4534 | int err = 0; |
4535 | ||
9e8f4a54 | 4536 | switch (obj->id) { |
57d80838 | 4537 | case SWITCHDEV_OBJ_ID_PORT_VLAN: |
648b4a99 JP |
4538 | err = rocker_port_vlans_del(rocker_port, |
4539 | SWITCHDEV_OBJ_PORT_VLAN(obj)); | |
9228ad26 | 4540 | break; |
57d80838 | 4541 | case SWITCHDEV_OBJ_ID_IPV4_FIB: |
648b4a99 | 4542 | fib4 = SWITCHDEV_OBJ_IPV4_FIB(obj); |
76c6f945 | 4543 | err = rocker_port_fib_ipv4(rocker_port, NULL, |
7a7ee531 | 4544 | htonl(fib4->dst), fib4->dst_len, |
850d0cbc | 4545 | &fib4->fi, fib4->tb_id, |
7a7ee531 | 4546 | ROCKER_OP_FLAG_REMOVE); |
58c2cb16 | 4547 | break; |
57d80838 | 4548 | case SWITCHDEV_OBJ_ID_PORT_FDB: |
648b4a99 JP |
4549 | err = rocker_port_fdb_del(rocker_port, NULL, |
4550 | SWITCHDEV_OBJ_PORT_FDB(obj)); | |
45d4122c SS |
4551 | break; |
4552 | default: | |
4553 | err = -EOPNOTSUPP; | |
4554 | break; | |
4555 | } | |
4556 | ||
4557 | return err; | |
4558 | } | |
4559 | ||
e5054643 | 4560 | static int rocker_port_fdb_dump(const struct rocker_port *rocker_port, |
52ba57cf | 4561 | struct switchdev_obj_port_fdb *fdb, |
648b4a99 | 4562 | switchdev_obj_dump_cb_t *cb) |
45d4122c SS |
4563 | { |
4564 | struct rocker *rocker = rocker_port->rocker; | |
45d4122c SS |
4565 | struct rocker_fdb_tbl_entry *found; |
4566 | struct hlist_node *tmp; | |
4567 | unsigned long lock_flags; | |
4568 | int bkt; | |
4569 | int err = 0; | |
4570 | ||
4571 | spin_lock_irqsave(&rocker->fdb_tbl_lock, lock_flags); | |
4572 | hash_for_each_safe(rocker->fdb_tbl, bkt, tmp, found, entry) { | |
4c660496 | 4573 | if (found->key.rocker_port != rocker_port) |
45d4122c | 4574 | continue; |
850d0cbc | 4575 | ether_addr_copy(fdb->addr, found->key.addr); |
ce80e7bc | 4576 | fdb->ndm_state = NUD_REACHABLE; |
45d4122c SS |
4577 | fdb->vid = rocker_port_vlan_to_vid(rocker_port, |
4578 | found->key.vlan_id); | |
648b4a99 | 4579 | err = cb(&fdb->obj); |
45d4122c SS |
4580 | if (err) |
4581 | break; | |
4582 | } | |
4583 | spin_unlock_irqrestore(&rocker->fdb_tbl_lock, lock_flags); | |
4584 | ||
4585 | return err; | |
4586 | } | |
4587 | ||
7d4f8d87 | 4588 | static int rocker_port_vlan_dump(const struct rocker_port *rocker_port, |
8f24f309 | 4589 | struct switchdev_obj_port_vlan *vlan, |
648b4a99 | 4590 | switchdev_obj_dump_cb_t *cb) |
7d4f8d87 | 4591 | { |
7d4f8d87 SF |
4592 | u16 vid; |
4593 | int err = 0; | |
4594 | ||
4595 | for (vid = 1; vid < VLAN_N_VID; vid++) { | |
4596 | if (!test_bit(vid, rocker_port->vlan_bitmap)) | |
4597 | continue; | |
4598 | vlan->flags = 0; | |
4599 | if (rocker_vlan_id_is_internal(htons(vid))) | |
4600 | vlan->flags |= BRIDGE_VLAN_INFO_PVID; | |
4601 | vlan->vid_begin = vlan->vid_end = vid; | |
648b4a99 | 4602 | err = cb(&vlan->obj); |
7d4f8d87 SF |
4603 | if (err) |
4604 | break; | |
4605 | } | |
4606 | ||
4607 | return err; | |
4608 | } | |
4609 | ||
45d4122c | 4610 | static int rocker_port_obj_dump(struct net_device *dev, |
648b4a99 JP |
4611 | struct switchdev_obj *obj, |
4612 | switchdev_obj_dump_cb_t *cb) | |
45d4122c | 4613 | { |
e5054643 | 4614 | const struct rocker_port *rocker_port = netdev_priv(dev); |
45d4122c SS |
4615 | int err = 0; |
4616 | ||
9e8f4a54 | 4617 | switch (obj->id) { |
57d80838 | 4618 | case SWITCHDEV_OBJ_ID_PORT_FDB: |
648b4a99 JP |
4619 | err = rocker_port_fdb_dump(rocker_port, |
4620 | SWITCHDEV_OBJ_PORT_FDB(obj), cb); | |
45d4122c | 4621 | break; |
57d80838 | 4622 | case SWITCHDEV_OBJ_ID_PORT_VLAN: |
648b4a99 JP |
4623 | err = rocker_port_vlan_dump(rocker_port, |
4624 | SWITCHDEV_OBJ_PORT_VLAN(obj), cb); | |
7d4f8d87 | 4625 | break; |
9228ad26 SF |
4626 | default: |
4627 | err = -EOPNOTSUPP; | |
4628 | break; | |
4629 | } | |
4630 | ||
4631 | return err; | |
4632 | } | |
4633 | ||
9d47c0a2 | 4634 | static const struct switchdev_ops rocker_port_switchdev_ops = { |
f8e20a9f | 4635 | .switchdev_port_attr_get = rocker_port_attr_get, |
35636062 | 4636 | .switchdev_port_attr_set = rocker_port_attr_set, |
9228ad26 SF |
4637 | .switchdev_port_obj_add = rocker_port_obj_add, |
4638 | .switchdev_port_obj_del = rocker_port_obj_del, | |
45d4122c | 4639 | .switchdev_port_obj_dump = rocker_port_obj_dump, |
4b8ac966 JP |
4640 | }; |
4641 | ||
4642 | /******************** | |
4643 | * ethtool interface | |
4644 | ********************/ | |
4645 | ||
4646 | static int rocker_port_get_settings(struct net_device *dev, | |
4647 | struct ethtool_cmd *ecmd) | |
4648 | { | |
4649 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4650 | ||
4651 | return rocker_cmd_get_port_settings_ethtool(rocker_port, ecmd); | |
4652 | } | |
4653 | ||
4654 | static int rocker_port_set_settings(struct net_device *dev, | |
4655 | struct ethtool_cmd *ecmd) | |
4656 | { | |
4657 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4658 | ||
4659 | return rocker_cmd_set_port_settings_ethtool(rocker_port, ecmd); | |
4660 | } | |
4661 | ||
4662 | static void rocker_port_get_drvinfo(struct net_device *dev, | |
4663 | struct ethtool_drvinfo *drvinfo) | |
4664 | { | |
4665 | strlcpy(drvinfo->driver, rocker_driver_name, sizeof(drvinfo->driver)); | |
4666 | strlcpy(drvinfo->version, UTS_RELEASE, sizeof(drvinfo->version)); | |
4667 | } | |
4668 | ||
9766e97a DA |
4669 | static struct rocker_port_stats { |
4670 | char str[ETH_GSTRING_LEN]; | |
4671 | int type; | |
4672 | } rocker_port_stats[] = { | |
4673 | { "rx_packets", ROCKER_TLV_CMD_PORT_STATS_RX_PKTS, }, | |
4674 | { "rx_bytes", ROCKER_TLV_CMD_PORT_STATS_RX_BYTES, }, | |
4675 | { "rx_dropped", ROCKER_TLV_CMD_PORT_STATS_RX_DROPPED, }, | |
4676 | { "rx_errors", ROCKER_TLV_CMD_PORT_STATS_RX_ERRORS, }, | |
4677 | ||
4678 | { "tx_packets", ROCKER_TLV_CMD_PORT_STATS_TX_PKTS, }, | |
4679 | { "tx_bytes", ROCKER_TLV_CMD_PORT_STATS_TX_BYTES, }, | |
4680 | { "tx_dropped", ROCKER_TLV_CMD_PORT_STATS_TX_DROPPED, }, | |
4681 | { "tx_errors", ROCKER_TLV_CMD_PORT_STATS_TX_ERRORS, }, | |
4682 | }; | |
4683 | ||
4684 | #define ROCKER_PORT_STATS_LEN ARRAY_SIZE(rocker_port_stats) | |
4685 | ||
4686 | static void rocker_port_get_strings(struct net_device *netdev, u32 stringset, | |
4687 | u8 *data) | |
4688 | { | |
4689 | u8 *p = data; | |
4690 | int i; | |
4691 | ||
4692 | switch (stringset) { | |
4693 | case ETH_SS_STATS: | |
4694 | for (i = 0; i < ARRAY_SIZE(rocker_port_stats); i++) { | |
4695 | memcpy(p, rocker_port_stats[i].str, ETH_GSTRING_LEN); | |
4696 | p += ETH_GSTRING_LEN; | |
4697 | } | |
4698 | break; | |
4699 | } | |
4700 | } | |
4701 | ||
4702 | static int | |
534ba6a8 | 4703 | rocker_cmd_get_port_stats_prep(const struct rocker_port *rocker_port, |
9766e97a DA |
4704 | struct rocker_desc_info *desc_info, |
4705 | void *priv) | |
4706 | { | |
4707 | struct rocker_tlv *cmd_stats; | |
4708 | ||
4709 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, | |
4710 | ROCKER_TLV_CMD_TYPE_GET_PORT_STATS)) | |
4711 | return -EMSGSIZE; | |
4712 | ||
4713 | cmd_stats = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
4714 | if (!cmd_stats) | |
4715 | return -EMSGSIZE; | |
4716 | ||
4a6bb6d3 SF |
4717 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_CMD_PORT_STATS_PPORT, |
4718 | rocker_port->pport)) | |
9766e97a DA |
4719 | return -EMSGSIZE; |
4720 | ||
4721 | rocker_tlv_nest_end(desc_info, cmd_stats); | |
4722 | ||
4723 | return 0; | |
4724 | } | |
4725 | ||
4726 | static int | |
534ba6a8 | 4727 | rocker_cmd_get_port_stats_ethtool_proc(const struct rocker_port *rocker_port, |
e5054643 | 4728 | const struct rocker_desc_info *desc_info, |
9766e97a DA |
4729 | void *priv) |
4730 | { | |
e5054643 SH |
4731 | const struct rocker_tlv *attrs[ROCKER_TLV_CMD_MAX + 1]; |
4732 | const struct rocker_tlv *stats_attrs[ROCKER_TLV_CMD_PORT_STATS_MAX + 1]; | |
4733 | const struct rocker_tlv *pattr; | |
4a6bb6d3 | 4734 | u32 pport; |
9766e97a DA |
4735 | u64 *data = priv; |
4736 | int i; | |
4737 | ||
4738 | rocker_tlv_parse_desc(attrs, ROCKER_TLV_CMD_MAX, desc_info); | |
4739 | ||
4740 | if (!attrs[ROCKER_TLV_CMD_INFO]) | |
4741 | return -EIO; | |
4742 | ||
4743 | rocker_tlv_parse_nested(stats_attrs, ROCKER_TLV_CMD_PORT_STATS_MAX, | |
4744 | attrs[ROCKER_TLV_CMD_INFO]); | |
4745 | ||
4a6bb6d3 | 4746 | if (!stats_attrs[ROCKER_TLV_CMD_PORT_STATS_PPORT]) |
9766e97a DA |
4747 | return -EIO; |
4748 | ||
4a6bb6d3 SF |
4749 | pport = rocker_tlv_get_u32(stats_attrs[ROCKER_TLV_CMD_PORT_STATS_PPORT]); |
4750 | if (pport != rocker_port->pport) | |
9766e97a DA |
4751 | return -EIO; |
4752 | ||
4753 | for (i = 0; i < ARRAY_SIZE(rocker_port_stats); i++) { | |
4754 | pattr = stats_attrs[rocker_port_stats[i].type]; | |
4755 | if (!pattr) | |
4756 | continue; | |
4757 | ||
4758 | data[i] = rocker_tlv_get_u64(pattr); | |
4759 | } | |
4760 | ||
4761 | return 0; | |
4762 | } | |
4763 | ||
4764 | static int rocker_cmd_get_port_stats_ethtool(struct rocker_port *rocker_port, | |
4765 | void *priv) | |
4766 | { | |
76c6f945 | 4767 | return rocker_cmd_exec(rocker_port, NULL, 0, |
9766e97a DA |
4768 | rocker_cmd_get_port_stats_prep, NULL, |
4769 | rocker_cmd_get_port_stats_ethtool_proc, | |
c4f20321 | 4770 | priv); |
9766e97a DA |
4771 | } |
4772 | ||
4773 | static void rocker_port_get_stats(struct net_device *dev, | |
4774 | struct ethtool_stats *stats, u64 *data) | |
4775 | { | |
4776 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4777 | ||
4778 | if (rocker_cmd_get_port_stats_ethtool(rocker_port, data) != 0) { | |
4779 | int i; | |
4780 | ||
4781 | for (i = 0; i < ARRAY_SIZE(rocker_port_stats); ++i) | |
4782 | data[i] = 0; | |
4783 | } | |
9766e97a DA |
4784 | } |
4785 | ||
4786 | static int rocker_port_get_sset_count(struct net_device *netdev, int sset) | |
4787 | { | |
4788 | switch (sset) { | |
4789 | case ETH_SS_STATS: | |
4790 | return ROCKER_PORT_STATS_LEN; | |
4791 | default: | |
4792 | return -EOPNOTSUPP; | |
4793 | } | |
4794 | } | |
4795 | ||
4b8ac966 JP |
4796 | static const struct ethtool_ops rocker_port_ethtool_ops = { |
4797 | .get_settings = rocker_port_get_settings, | |
4798 | .set_settings = rocker_port_set_settings, | |
4799 | .get_drvinfo = rocker_port_get_drvinfo, | |
4800 | .get_link = ethtool_op_get_link, | |
9766e97a DA |
4801 | .get_strings = rocker_port_get_strings, |
4802 | .get_ethtool_stats = rocker_port_get_stats, | |
4803 | .get_sset_count = rocker_port_get_sset_count, | |
4b8ac966 JP |
4804 | }; |
4805 | ||
4806 | /***************** | |
4807 | * NAPI interface | |
4808 | *****************/ | |
4809 | ||
4810 | static struct rocker_port *rocker_port_napi_tx_get(struct napi_struct *napi) | |
4811 | { | |
4812 | return container_of(napi, struct rocker_port, napi_tx); | |
4813 | } | |
4814 | ||
4815 | static int rocker_port_poll_tx(struct napi_struct *napi, int budget) | |
4816 | { | |
4817 | struct rocker_port *rocker_port = rocker_port_napi_tx_get(napi); | |
e5054643 SH |
4818 | const struct rocker *rocker = rocker_port->rocker; |
4819 | const struct rocker_desc_info *desc_info; | |
4b8ac966 JP |
4820 | u32 credits = 0; |
4821 | int err; | |
4822 | ||
4823 | /* Cleanup tx descriptors */ | |
4824 | while ((desc_info = rocker_desc_tail_get(&rocker_port->tx_ring))) { | |
f2bbca51 DA |
4825 | struct sk_buff *skb; |
4826 | ||
4b8ac966 JP |
4827 | err = rocker_desc_err(desc_info); |
4828 | if (err && net_ratelimit()) | |
4829 | netdev_err(rocker_port->dev, "tx desc received with err %d\n", | |
4830 | err); | |
4831 | rocker_tx_desc_frags_unmap(rocker_port, desc_info); | |
f2bbca51 DA |
4832 | |
4833 | skb = rocker_desc_cookie_ptr_get(desc_info); | |
4834 | if (err == 0) { | |
4835 | rocker_port->dev->stats.tx_packets++; | |
4836 | rocker_port->dev->stats.tx_bytes += skb->len; | |
4725ceb9 | 4837 | } else { |
f2bbca51 | 4838 | rocker_port->dev->stats.tx_errors++; |
4725ceb9 | 4839 | } |
f2bbca51 DA |
4840 | |
4841 | dev_kfree_skb_any(skb); | |
4b8ac966 JP |
4842 | credits++; |
4843 | } | |
4844 | ||
4845 | if (credits && netif_queue_stopped(rocker_port->dev)) | |
4846 | netif_wake_queue(rocker_port->dev); | |
4847 | ||
4848 | napi_complete(napi); | |
4849 | rocker_dma_ring_credits_set(rocker, &rocker_port->tx_ring, credits); | |
4850 | ||
4851 | return 0; | |
4852 | } | |
4853 | ||
e5054643 SH |
4854 | static int rocker_port_rx_proc(const struct rocker *rocker, |
4855 | const struct rocker_port *rocker_port, | |
4b8ac966 JP |
4856 | struct rocker_desc_info *desc_info) |
4857 | { | |
e5054643 | 4858 | const struct rocker_tlv *attrs[ROCKER_TLV_RX_MAX + 1]; |
4b8ac966 JP |
4859 | struct sk_buff *skb = rocker_desc_cookie_ptr_get(desc_info); |
4860 | size_t rx_len; | |
3f98a8e6 | 4861 | u16 rx_flags = 0; |
4b8ac966 JP |
4862 | |
4863 | if (!skb) | |
4864 | return -ENOENT; | |
4865 | ||
4866 | rocker_tlv_parse_desc(attrs, ROCKER_TLV_RX_MAX, desc_info); | |
4867 | if (!attrs[ROCKER_TLV_RX_FRAG_LEN]) | |
4868 | return -EINVAL; | |
3f98a8e6 SF |
4869 | if (attrs[ROCKER_TLV_RX_FLAGS]) |
4870 | rx_flags = rocker_tlv_get_u16(attrs[ROCKER_TLV_RX_FLAGS]); | |
4b8ac966 JP |
4871 | |
4872 | rocker_dma_rx_ring_skb_unmap(rocker, attrs); | |
4873 | ||
4874 | rx_len = rocker_tlv_get_u16(attrs[ROCKER_TLV_RX_FRAG_LEN]); | |
4875 | skb_put(skb, rx_len); | |
4876 | skb->protocol = eth_type_trans(skb, rocker_port->dev); | |
f2bbca51 | 4877 | |
3f98a8e6 SF |
4878 | if (rx_flags & ROCKER_RX_FLAGS_FWD_OFFLOAD) |
4879 | skb->offload_fwd_mark = rocker_port->dev->offload_fwd_mark; | |
4880 | ||
f2bbca51 DA |
4881 | rocker_port->dev->stats.rx_packets++; |
4882 | rocker_port->dev->stats.rx_bytes += skb->len; | |
4883 | ||
4b8ac966 JP |
4884 | netif_receive_skb(skb); |
4885 | ||
534ba6a8 | 4886 | return rocker_dma_rx_ring_skb_alloc(rocker_port, desc_info); |
4b8ac966 JP |
4887 | } |
4888 | ||
4889 | static struct rocker_port *rocker_port_napi_rx_get(struct napi_struct *napi) | |
4890 | { | |
4891 | return container_of(napi, struct rocker_port, napi_rx); | |
4892 | } | |
4893 | ||
4894 | static int rocker_port_poll_rx(struct napi_struct *napi, int budget) | |
4895 | { | |
4896 | struct rocker_port *rocker_port = rocker_port_napi_rx_get(napi); | |
e5054643 | 4897 | const struct rocker *rocker = rocker_port->rocker; |
4b8ac966 JP |
4898 | struct rocker_desc_info *desc_info; |
4899 | u32 credits = 0; | |
4900 | int err; | |
4901 | ||
4902 | /* Process rx descriptors */ | |
4903 | while (credits < budget && | |
4904 | (desc_info = rocker_desc_tail_get(&rocker_port->rx_ring))) { | |
4905 | err = rocker_desc_err(desc_info); | |
4906 | if (err) { | |
4907 | if (net_ratelimit()) | |
4908 | netdev_err(rocker_port->dev, "rx desc received with err %d\n", | |
4909 | err); | |
4910 | } else { | |
4911 | err = rocker_port_rx_proc(rocker, rocker_port, | |
4912 | desc_info); | |
4913 | if (err && net_ratelimit()) | |
4914 | netdev_err(rocker_port->dev, "rx processing failed with err %d\n", | |
4915 | err); | |
4916 | } | |
f2bbca51 DA |
4917 | if (err) |
4918 | rocker_port->dev->stats.rx_errors++; | |
4919 | ||
4b8ac966 JP |
4920 | rocker_desc_gen_clear(desc_info); |
4921 | rocker_desc_head_set(rocker, &rocker_port->rx_ring, desc_info); | |
4922 | credits++; | |
4923 | } | |
4924 | ||
4925 | if (credits < budget) | |
4926 | napi_complete(napi); | |
4927 | ||
4928 | rocker_dma_ring_credits_set(rocker, &rocker_port->rx_ring, credits); | |
4929 | ||
4930 | return credits; | |
4931 | } | |
4932 | ||
4933 | /***************** | |
4934 | * PCI driver ops | |
4935 | *****************/ | |
4936 | ||
e5054643 | 4937 | static void rocker_carrier_init(const struct rocker_port *rocker_port) |
4b8ac966 | 4938 | { |
e5054643 | 4939 | const struct rocker *rocker = rocker_port->rocker; |
4b8ac966 JP |
4940 | u64 link_status = rocker_read64(rocker, PORT_PHYS_LINK_STATUS); |
4941 | bool link_up; | |
4942 | ||
4a6bb6d3 | 4943 | link_up = link_status & (1 << rocker_port->pport); |
4b8ac966 JP |
4944 | if (link_up) |
4945 | netif_carrier_on(rocker_port->dev); | |
4946 | else | |
4947 | netif_carrier_off(rocker_port->dev); | |
4948 | } | |
4949 | ||
e5054643 | 4950 | static void rocker_remove_ports(const struct rocker *rocker) |
4b8ac966 | 4951 | { |
9f6bbf7c | 4952 | struct rocker_port *rocker_port; |
4b8ac966 JP |
4953 | int i; |
4954 | ||
9f6bbf7c SF |
4955 | for (i = 0; i < rocker->port_count; i++) { |
4956 | rocker_port = rocker->ports[i]; | |
a0720310 SF |
4957 | if (!rocker_port) |
4958 | continue; | |
76c6f945 | 4959 | rocker_port_ig_tbl(rocker_port, NULL, ROCKER_OP_FLAG_REMOVE); |
9f6bbf7c | 4960 | unregister_netdev(rocker_port->dev); |
1ebd47ef | 4961 | free_netdev(rocker_port->dev); |
9f6bbf7c | 4962 | } |
4b8ac966 JP |
4963 | kfree(rocker->ports); |
4964 | } | |
4965 | ||
534ba6a8 | 4966 | static void rocker_port_dev_addr_init(struct rocker_port *rocker_port) |
4b8ac966 | 4967 | { |
534ba6a8 | 4968 | const struct rocker *rocker = rocker_port->rocker; |
e5054643 | 4969 | const struct pci_dev *pdev = rocker->pdev; |
4b8ac966 JP |
4970 | int err; |
4971 | ||
4972 | err = rocker_cmd_get_port_settings_macaddr(rocker_port, | |
4973 | rocker_port->dev->dev_addr); | |
4974 | if (err) { | |
4975 | dev_warn(&pdev->dev, "failed to get mac address, using random\n"); | |
4976 | eth_hw_addr_random(rocker_port->dev); | |
4977 | } | |
4978 | } | |
4979 | ||
4980 | static int rocker_probe_port(struct rocker *rocker, unsigned int port_number) | |
4981 | { | |
e5054643 | 4982 | const struct pci_dev *pdev = rocker->pdev; |
4b8ac966 JP |
4983 | struct rocker_port *rocker_port; |
4984 | struct net_device *dev; | |
bcfd7801 | 4985 | u16 untagged_vid = 0; |
4b8ac966 JP |
4986 | int err; |
4987 | ||
4988 | dev = alloc_etherdev(sizeof(struct rocker_port)); | |
4989 | if (!dev) | |
4990 | return -ENOMEM; | |
4991 | rocker_port = netdev_priv(dev); | |
4992 | rocker_port->dev = dev; | |
4993 | rocker_port->rocker = rocker; | |
4994 | rocker_port->port_number = port_number; | |
4a6bb6d3 | 4995 | rocker_port->pport = port_number + 1; |
5111f80c | 4996 | rocker_port->brport_flags = BR_LEARNING | BR_LEARNING_SYNC; |
e7335703 | 4997 | rocker_port->ageing_time = BR_DEFAULT_AGEING_TIME; |
4b8ac966 | 4998 | |
534ba6a8 | 4999 | rocker_port_dev_addr_init(rocker_port); |
4b8ac966 JP |
5000 | dev->netdev_ops = &rocker_port_netdev_ops; |
5001 | dev->ethtool_ops = &rocker_port_ethtool_ops; | |
9d47c0a2 | 5002 | dev->switchdev_ops = &rocker_port_switchdev_ops; |
d64b5e85 | 5003 | netif_tx_napi_add(dev, &rocker_port->napi_tx, rocker_port_poll_tx, |
4b8ac966 JP |
5004 | NAPI_POLL_WEIGHT); |
5005 | netif_napi_add(dev, &rocker_port->napi_rx, rocker_port_poll_rx, | |
5006 | NAPI_POLL_WEIGHT); | |
5007 | rocker_carrier_init(rocker_port); | |
5008 | ||
21518a6e | 5009 | dev->features |= NETIF_F_NETNS_LOCAL | NETIF_F_SG; |
4b8ac966 JP |
5010 | |
5011 | err = register_netdev(dev); | |
5012 | if (err) { | |
5013 | dev_err(&pdev->dev, "register_netdev failed\n"); | |
5014 | goto err_register_netdev; | |
5015 | } | |
5016 | rocker->ports[port_number] = rocker_port; | |
5017 | ||
3f98a8e6 SF |
5018 | switchdev_port_fwd_mark_set(rocker_port->dev, NULL, false); |
5019 | ||
76c6f945 | 5020 | rocker_port_set_learning(rocker_port, NULL); |
5111f80c | 5021 | |
76c6f945 | 5022 | err = rocker_port_ig_tbl(rocker_port, NULL, 0); |
9f6bbf7c | 5023 | if (err) { |
ff147028 | 5024 | netdev_err(rocker_port->dev, "install ig port table failed\n"); |
9f6bbf7c SF |
5025 | goto err_port_ig_tbl; |
5026 | } | |
5027 | ||
bcfd7801 SF |
5028 | rocker_port->internal_vlan_id = |
5029 | rocker_port_internal_vlan_id_get(rocker_port, dev->ifindex); | |
5030 | ||
76c6f945 | 5031 | err = rocker_port_vlan_add(rocker_port, NULL, untagged_vid, 0); |
bcfd7801 SF |
5032 | if (err) { |
5033 | netdev_err(rocker_port->dev, "install untagged VLAN failed\n"); | |
5034 | goto err_untagged_vlan; | |
5035 | } | |
5036 | ||
4b8ac966 JP |
5037 | return 0; |
5038 | ||
bcfd7801 | 5039 | err_untagged_vlan: |
76c6f945 | 5040 | rocker_port_ig_tbl(rocker_port, NULL, ROCKER_OP_FLAG_REMOVE); |
9f6bbf7c | 5041 | err_port_ig_tbl: |
6c4f7780 | 5042 | rocker->ports[port_number] = NULL; |
9f6bbf7c | 5043 | unregister_netdev(dev); |
4b8ac966 JP |
5044 | err_register_netdev: |
5045 | free_netdev(dev); | |
5046 | return err; | |
5047 | } | |
5048 | ||
5049 | static int rocker_probe_ports(struct rocker *rocker) | |
5050 | { | |
5051 | int i; | |
5052 | size_t alloc_size; | |
5053 | int err; | |
5054 | ||
5055 | alloc_size = sizeof(struct rocker_port *) * rocker->port_count; | |
27b808cb | 5056 | rocker->ports = kzalloc(alloc_size, GFP_KERNEL); |
e65ad3be DC |
5057 | if (!rocker->ports) |
5058 | return -ENOMEM; | |
4b8ac966 JP |
5059 | for (i = 0; i < rocker->port_count; i++) { |
5060 | err = rocker_probe_port(rocker, i); | |
5061 | if (err) | |
5062 | goto remove_ports; | |
5063 | } | |
5064 | return 0; | |
5065 | ||
5066 | remove_ports: | |
5067 | rocker_remove_ports(rocker); | |
5068 | return err; | |
5069 | } | |
5070 | ||
5071 | static int rocker_msix_init(struct rocker *rocker) | |
5072 | { | |
5073 | struct pci_dev *pdev = rocker->pdev; | |
5074 | int msix_entries; | |
5075 | int i; | |
5076 | int err; | |
5077 | ||
5078 | msix_entries = pci_msix_vec_count(pdev); | |
5079 | if (msix_entries < 0) | |
5080 | return msix_entries; | |
5081 | ||
5082 | if (msix_entries != ROCKER_MSIX_VEC_COUNT(rocker->port_count)) | |
5083 | return -EINVAL; | |
5084 | ||
5085 | rocker->msix_entries = kmalloc_array(msix_entries, | |
5086 | sizeof(struct msix_entry), | |
5087 | GFP_KERNEL); | |
5088 | if (!rocker->msix_entries) | |
5089 | return -ENOMEM; | |
5090 | ||
5091 | for (i = 0; i < msix_entries; i++) | |
5092 | rocker->msix_entries[i].entry = i; | |
5093 | ||
5094 | err = pci_enable_msix_exact(pdev, rocker->msix_entries, msix_entries); | |
5095 | if (err < 0) | |
5096 | goto err_enable_msix; | |
5097 | ||
5098 | return 0; | |
5099 | ||
5100 | err_enable_msix: | |
5101 | kfree(rocker->msix_entries); | |
5102 | return err; | |
5103 | } | |
5104 | ||
e5054643 | 5105 | static void rocker_msix_fini(const struct rocker *rocker) |
4b8ac966 JP |
5106 | { |
5107 | pci_disable_msix(rocker->pdev); | |
5108 | kfree(rocker->msix_entries); | |
5109 | } | |
5110 | ||
5111 | static int rocker_probe(struct pci_dev *pdev, const struct pci_device_id *id) | |
5112 | { | |
5113 | struct rocker *rocker; | |
5114 | int err; | |
5115 | ||
5116 | rocker = kzalloc(sizeof(*rocker), GFP_KERNEL); | |
5117 | if (!rocker) | |
5118 | return -ENOMEM; | |
5119 | ||
5120 | err = pci_enable_device(pdev); | |
5121 | if (err) { | |
5122 | dev_err(&pdev->dev, "pci_enable_device failed\n"); | |
5123 | goto err_pci_enable_device; | |
5124 | } | |
5125 | ||
5126 | err = pci_request_regions(pdev, rocker_driver_name); | |
5127 | if (err) { | |
5128 | dev_err(&pdev->dev, "pci_request_regions failed\n"); | |
5129 | goto err_pci_request_regions; | |
5130 | } | |
5131 | ||
5132 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); | |
5133 | if (!err) { | |
5134 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); | |
5135 | if (err) { | |
5136 | dev_err(&pdev->dev, "pci_set_consistent_dma_mask failed\n"); | |
5137 | goto err_pci_set_dma_mask; | |
5138 | } | |
5139 | } else { | |
5140 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); | |
5141 | if (err) { | |
5142 | dev_err(&pdev->dev, "pci_set_dma_mask failed\n"); | |
5143 | goto err_pci_set_dma_mask; | |
5144 | } | |
5145 | } | |
5146 | ||
5147 | if (pci_resource_len(pdev, 0) < ROCKER_PCI_BAR0_SIZE) { | |
5148 | dev_err(&pdev->dev, "invalid PCI region size\n"); | |
3122a92e | 5149 | err = -EINVAL; |
4b8ac966 JP |
5150 | goto err_pci_resource_len_check; |
5151 | } | |
5152 | ||
5153 | rocker->hw_addr = ioremap(pci_resource_start(pdev, 0), | |
5154 | pci_resource_len(pdev, 0)); | |
5155 | if (!rocker->hw_addr) { | |
5156 | dev_err(&pdev->dev, "ioremap failed\n"); | |
5157 | err = -EIO; | |
5158 | goto err_ioremap; | |
5159 | } | |
5160 | pci_set_master(pdev); | |
5161 | ||
5162 | rocker->pdev = pdev; | |
5163 | pci_set_drvdata(pdev, rocker); | |
5164 | ||
5165 | rocker->port_count = rocker_read32(rocker, PORT_PHYS_COUNT); | |
5166 | ||
5167 | err = rocker_msix_init(rocker); | |
5168 | if (err) { | |
5169 | dev_err(&pdev->dev, "MSI-X init failed\n"); | |
5170 | goto err_msix_init; | |
5171 | } | |
5172 | ||
5173 | err = rocker_basic_hw_test(rocker); | |
5174 | if (err) { | |
5175 | dev_err(&pdev->dev, "basic hw test failed\n"); | |
5176 | goto err_basic_hw_test; | |
5177 | } | |
5178 | ||
5179 | rocker_write32(rocker, CONTROL, ROCKER_CONTROL_RESET); | |
5180 | ||
5181 | err = rocker_dma_rings_init(rocker); | |
5182 | if (err) | |
5183 | goto err_dma_rings_init; | |
5184 | ||
5185 | err = request_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_CMD), | |
5186 | rocker_cmd_irq_handler, 0, | |
5187 | rocker_driver_name, rocker); | |
5188 | if (err) { | |
5189 | dev_err(&pdev->dev, "cannot assign cmd irq\n"); | |
5190 | goto err_request_cmd_irq; | |
5191 | } | |
5192 | ||
5193 | err = request_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_EVENT), | |
5194 | rocker_event_irq_handler, 0, | |
5195 | rocker_driver_name, rocker); | |
5196 | if (err) { | |
5197 | dev_err(&pdev->dev, "cannot assign event irq\n"); | |
5198 | goto err_request_event_irq; | |
5199 | } | |
5200 | ||
5201 | rocker->hw.id = rocker_read64(rocker, SWITCH_ID); | |
5202 | ||
9f6bbf7c SF |
5203 | err = rocker_init_tbls(rocker); |
5204 | if (err) { | |
5205 | dev_err(&pdev->dev, "cannot init rocker tables\n"); | |
5206 | goto err_init_tbls; | |
5207 | } | |
5208 | ||
52fe3e2d SF |
5209 | setup_timer(&rocker->fdb_cleanup_timer, rocker_fdb_cleanup, |
5210 | (unsigned long) rocker); | |
5211 | mod_timer(&rocker->fdb_cleanup_timer, jiffies); | |
5212 | ||
4b8ac966 JP |
5213 | err = rocker_probe_ports(rocker); |
5214 | if (err) { | |
5215 | dev_err(&pdev->dev, "failed to probe ports\n"); | |
5216 | goto err_probe_ports; | |
5217 | } | |
5218 | ||
c8beb5b2 SF |
5219 | dev_info(&pdev->dev, "Rocker switch with id %*phN\n", |
5220 | (int)sizeof(rocker->hw.id), &rocker->hw.id); | |
4b8ac966 JP |
5221 | |
5222 | return 0; | |
5223 | ||
5224 | err_probe_ports: | |
52fe3e2d | 5225 | del_timer_sync(&rocker->fdb_cleanup_timer); |
9f6bbf7c SF |
5226 | rocker_free_tbls(rocker); |
5227 | err_init_tbls: | |
4b8ac966 JP |
5228 | free_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_EVENT), rocker); |
5229 | err_request_event_irq: | |
5230 | free_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_CMD), rocker); | |
5231 | err_request_cmd_irq: | |
5232 | rocker_dma_rings_fini(rocker); | |
5233 | err_dma_rings_init: | |
5234 | err_basic_hw_test: | |
5235 | rocker_msix_fini(rocker); | |
5236 | err_msix_init: | |
5237 | iounmap(rocker->hw_addr); | |
5238 | err_ioremap: | |
5239 | err_pci_resource_len_check: | |
5240 | err_pci_set_dma_mask: | |
5241 | pci_release_regions(pdev); | |
5242 | err_pci_request_regions: | |
5243 | pci_disable_device(pdev); | |
5244 | err_pci_enable_device: | |
5245 | kfree(rocker); | |
5246 | return err; | |
5247 | } | |
5248 | ||
5249 | static void rocker_remove(struct pci_dev *pdev) | |
5250 | { | |
5251 | struct rocker *rocker = pci_get_drvdata(pdev); | |
5252 | ||
52fe3e2d | 5253 | del_timer_sync(&rocker->fdb_cleanup_timer); |
9f6bbf7c | 5254 | rocker_free_tbls(rocker); |
4b8ac966 JP |
5255 | rocker_write32(rocker, CONTROL, ROCKER_CONTROL_RESET); |
5256 | rocker_remove_ports(rocker); | |
5257 | free_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_EVENT), rocker); | |
5258 | free_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_CMD), rocker); | |
5259 | rocker_dma_rings_fini(rocker); | |
5260 | rocker_msix_fini(rocker); | |
5261 | iounmap(rocker->hw_addr); | |
5262 | pci_release_regions(rocker->pdev); | |
5263 | pci_disable_device(rocker->pdev); | |
5264 | kfree(rocker); | |
5265 | } | |
5266 | ||
5267 | static struct pci_driver rocker_pci_driver = { | |
5268 | .name = rocker_driver_name, | |
5269 | .id_table = rocker_pci_id_table, | |
5270 | .probe = rocker_probe, | |
5271 | .remove = rocker_remove, | |
5272 | }; | |
5273 | ||
6c707945 SF |
5274 | /************************************ |
5275 | * Net device notifier event handler | |
5276 | ************************************/ | |
5277 | ||
e5054643 | 5278 | static bool rocker_port_dev_check(const struct net_device *dev) |
6c707945 SF |
5279 | { |
5280 | return dev->netdev_ops == &rocker_port_netdev_ops; | |
5281 | } | |
5282 | ||
5283 | static int rocker_port_bridge_join(struct rocker_port *rocker_port, | |
5284 | struct net_device *bridge) | |
5285 | { | |
027e00dc | 5286 | u16 untagged_vid = 0; |
6c707945 SF |
5287 | int err; |
5288 | ||
027e00dc SF |
5289 | /* Port is joining bridge, so the internal VLAN for the |
5290 | * port is going to change to the bridge internal VLAN. | |
5291 | * Let's remove untagged VLAN (vid=0) from port and | |
5292 | * re-add once internal VLAN has changed. | |
5293 | */ | |
6c707945 | 5294 | |
027e00dc | 5295 | err = rocker_port_vlan_del(rocker_port, untagged_vid, 0); |
6c707945 SF |
5296 | if (err) |
5297 | return err; | |
027e00dc SF |
5298 | |
5299 | rocker_port_internal_vlan_id_put(rocker_port, | |
5300 | rocker_port->dev->ifindex); | |
6c707945 | 5301 | rocker_port->internal_vlan_id = |
df6a2067 | 5302 | rocker_port_internal_vlan_id_get(rocker_port, bridge->ifindex); |
027e00dc SF |
5303 | |
5304 | rocker_port->bridge_dev = bridge; | |
3f98a8e6 | 5305 | switchdev_port_fwd_mark_set(rocker_port->dev, bridge, true); |
027e00dc | 5306 | |
76c6f945 | 5307 | return rocker_port_vlan_add(rocker_port, NULL, untagged_vid, 0); |
6c707945 SF |
5308 | } |
5309 | ||
5310 | static int rocker_port_bridge_leave(struct rocker_port *rocker_port) | |
5311 | { | |
027e00dc | 5312 | u16 untagged_vid = 0; |
6c707945 SF |
5313 | int err; |
5314 | ||
027e00dc | 5315 | err = rocker_port_vlan_del(rocker_port, untagged_vid, 0); |
6c707945 SF |
5316 | if (err) |
5317 | return err; | |
027e00dc SF |
5318 | |
5319 | rocker_port_internal_vlan_id_put(rocker_port, | |
5320 | rocker_port->bridge_dev->ifindex); | |
6c707945 SF |
5321 | rocker_port->internal_vlan_id = |
5322 | rocker_port_internal_vlan_id_get(rocker_port, | |
5323 | rocker_port->dev->ifindex); | |
027e00dc | 5324 | |
3f98a8e6 SF |
5325 | switchdev_port_fwd_mark_set(rocker_port->dev, rocker_port->bridge_dev, |
5326 | false); | |
027e00dc SF |
5327 | rocker_port->bridge_dev = NULL; |
5328 | ||
76c6f945 | 5329 | err = rocker_port_vlan_add(rocker_port, NULL, untagged_vid, 0); |
e47172ab SF |
5330 | if (err) |
5331 | return err; | |
5332 | ||
5333 | if (rocker_port->dev->flags & IFF_UP) | |
76c6f945 | 5334 | err = rocker_port_fwd_enable(rocker_port, NULL, 0); |
6c707945 SF |
5335 | |
5336 | return err; | |
5337 | } | |
5338 | ||
8254973f SH |
5339 | |
5340 | static int rocker_port_ovs_changed(struct rocker_port *rocker_port, | |
5341 | struct net_device *master) | |
5342 | { | |
5343 | int err; | |
5344 | ||
5345 | rocker_port->bridge_dev = master; | |
5346 | ||
76c6f945 | 5347 | err = rocker_port_fwd_disable(rocker_port, NULL, 0); |
8254973f SH |
5348 | if (err) |
5349 | return err; | |
76c6f945 | 5350 | err = rocker_port_fwd_enable(rocker_port, NULL, 0); |
8254973f SH |
5351 | |
5352 | return err; | |
5353 | } | |
5354 | ||
686ed304 JP |
5355 | static int rocker_port_master_linked(struct rocker_port *rocker_port, |
5356 | struct net_device *master) | |
5357 | { | |
5358 | int err = 0; | |
5359 | ||
5360 | if (netif_is_bridge_master(master)) | |
5361 | err = rocker_port_bridge_join(rocker_port, master); | |
5362 | else if (netif_is_ovs_master(master)) | |
5363 | err = rocker_port_ovs_changed(rocker_port, master); | |
5364 | return err; | |
5365 | } | |
5366 | ||
5367 | static int rocker_port_master_unlinked(struct rocker_port *rocker_port) | |
6c707945 | 5368 | { |
6c707945 SF |
5369 | int err = 0; |
5370 | ||
686ed304 | 5371 | if (rocker_port_is_bridged(rocker_port)) |
6c707945 | 5372 | err = rocker_port_bridge_leave(rocker_port); |
686ed304 | 5373 | else if (rocker_port_is_ovsed(rocker_port)) |
8254973f | 5374 | err = rocker_port_ovs_changed(rocker_port, NULL); |
6c707945 SF |
5375 | return err; |
5376 | } | |
5377 | ||
5378 | static int rocker_netdevice_event(struct notifier_block *unused, | |
5379 | unsigned long event, void *ptr) | |
5380 | { | |
686ed304 JP |
5381 | struct net_device *dev = netdev_notifier_info_to_dev(ptr); |
5382 | struct netdev_notifier_changeupper_info *info; | |
5383 | struct rocker_port *rocker_port; | |
6c707945 SF |
5384 | int err; |
5385 | ||
686ed304 JP |
5386 | if (!rocker_port_dev_check(dev)) |
5387 | return NOTIFY_DONE; | |
5388 | ||
6c707945 SF |
5389 | switch (event) { |
5390 | case NETDEV_CHANGEUPPER: | |
686ed304 JP |
5391 | info = ptr; |
5392 | if (!info->master) | |
5393 | goto out; | |
5394 | rocker_port = netdev_priv(dev); | |
5395 | if (info->linking) { | |
5396 | err = rocker_port_master_linked(rocker_port, | |
5397 | info->upper_dev); | |
5398 | if (err) | |
5399 | netdev_warn(dev, "failed to reflect master linked (err %d)\n", | |
5400 | err); | |
5401 | } else { | |
5402 | err = rocker_port_master_unlinked(rocker_port); | |
5403 | if (err) | |
5404 | netdev_warn(dev, "failed to reflect master unlinked (err %d)\n", | |
5405 | err); | |
5406 | } | |
6c707945 SF |
5407 | break; |
5408 | } | |
686ed304 | 5409 | out: |
6c707945 SF |
5410 | return NOTIFY_DONE; |
5411 | } | |
5412 | ||
5413 | static struct notifier_block rocker_netdevice_nb __read_mostly = { | |
5414 | .notifier_call = rocker_netdevice_event, | |
5415 | }; | |
5416 | ||
c1beeef7 SF |
5417 | /************************************ |
5418 | * Net event notifier event handler | |
5419 | ************************************/ | |
5420 | ||
5421 | static int rocker_neigh_update(struct net_device *dev, struct neighbour *n) | |
5422 | { | |
5423 | struct rocker_port *rocker_port = netdev_priv(dev); | |
02a9fbfc SF |
5424 | int flags = (n->nud_state & NUD_VALID ? 0 : ROCKER_OP_FLAG_REMOVE) | |
5425 | ROCKER_OP_FLAG_NOWAIT; | |
c1beeef7 SF |
5426 | __be32 ip_addr = *(__be32 *)n->primary_key; |
5427 | ||
76c6f945 | 5428 | return rocker_port_ipv4_neigh(rocker_port, NULL, flags, ip_addr, n->ha); |
c1beeef7 SF |
5429 | } |
5430 | ||
5431 | static int rocker_netevent_event(struct notifier_block *unused, | |
5432 | unsigned long event, void *ptr) | |
5433 | { | |
5434 | struct net_device *dev; | |
5435 | struct neighbour *n = ptr; | |
5436 | int err; | |
5437 | ||
5438 | switch (event) { | |
5439 | case NETEVENT_NEIGH_UPDATE: | |
5440 | if (n->tbl != &arp_tbl) | |
5441 | return NOTIFY_DONE; | |
5442 | dev = n->dev; | |
5443 | if (!rocker_port_dev_check(dev)) | |
5444 | return NOTIFY_DONE; | |
5445 | err = rocker_neigh_update(dev, n); | |
5446 | if (err) | |
5447 | netdev_warn(dev, | |
5448 | "failed to handle neigh update (err %d)\n", | |
5449 | err); | |
5450 | break; | |
5451 | } | |
5452 | ||
5453 | return NOTIFY_DONE; | |
5454 | } | |
5455 | ||
5456 | static struct notifier_block rocker_netevent_nb __read_mostly = { | |
5457 | .notifier_call = rocker_netevent_event, | |
5458 | }; | |
5459 | ||
4b8ac966 JP |
5460 | /*********************** |
5461 | * Module init and exit | |
5462 | ***********************/ | |
5463 | ||
5464 | static int __init rocker_module_init(void) | |
5465 | { | |
6c707945 SF |
5466 | int err; |
5467 | ||
5468 | register_netdevice_notifier(&rocker_netdevice_nb); | |
c1beeef7 | 5469 | register_netevent_notifier(&rocker_netevent_nb); |
6c707945 SF |
5470 | err = pci_register_driver(&rocker_pci_driver); |
5471 | if (err) | |
5472 | goto err_pci_register_driver; | |
5473 | return 0; | |
5474 | ||
5475 | err_pci_register_driver: | |
a076e6bf | 5476 | unregister_netevent_notifier(&rocker_netevent_nb); |
6c707945 SF |
5477 | unregister_netdevice_notifier(&rocker_netdevice_nb); |
5478 | return err; | |
4b8ac966 JP |
5479 | } |
5480 | ||
5481 | static void __exit rocker_module_exit(void) | |
5482 | { | |
c1beeef7 | 5483 | unregister_netevent_notifier(&rocker_netevent_nb); |
6c707945 | 5484 | unregister_netdevice_notifier(&rocker_netdevice_nb); |
4b8ac966 JP |
5485 | pci_unregister_driver(&rocker_pci_driver); |
5486 | } | |
5487 | ||
5488 | module_init(rocker_module_init); | |
5489 | module_exit(rocker_module_exit); | |
5490 | ||
5491 | MODULE_LICENSE("GPL v2"); | |
5492 | MODULE_AUTHOR("Jiri Pirko <jiri@resnulli.us>"); | |
5493 | MODULE_AUTHOR("Scott Feldman <sfeldma@gmail.com>"); | |
5494 | MODULE_DESCRIPTION("Rocker switch device driver"); | |
5495 | MODULE_DEVICE_TABLE(pci, rocker_pci_id_table); |