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2f90b865 AD |
1 | /******************************************************************************* |
2 | ||
3 | Intel 10 Gigabit PCI Express Linux driver | |
8c47eaa7 | 4 | Copyright(c) 1999 - 2010 Intel Corporation. |
2f90b865 AD |
5 | |
6 | This program is free software; you can redistribute it and/or modify it | |
7 | under the terms and conditions of the GNU General Public License, | |
8 | version 2, as published by the Free Software Foundation. | |
9 | ||
10 | This program is distributed in the hope it will be useful, but WITHOUT | |
11 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
13 | more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License along with | |
16 | this program; if not, write to the Free Software Foundation, Inc., | |
17 | 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. | |
18 | ||
19 | The full GNU General Public License is included in this distribution in | |
20 | the file called "COPYING". | |
21 | ||
22 | Contact Information: | |
23 | Linux NICS <linux.nics@intel.com> | |
24 | e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> | |
25 | Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
26 | ||
27 | *******************************************************************************/ | |
28 | ||
29 | #include "ixgbe.h" | |
30 | #include <linux/dcbnl.h> | |
62551d3e PWJ |
31 | #include "ixgbe_dcb_82598.h" |
32 | #include "ixgbe_dcb_82599.h" | |
2f90b865 AD |
33 | |
34 | /* Callbacks for DCB netlink in the kernel */ | |
35 | #define BIT_DCB_MODE 0x01 | |
36 | #define BIT_PFC 0x02 | |
37 | #define BIT_PG_RX 0x04 | |
38 | #define BIT_PG_TX 0x08 | |
8de8b2e6 | 39 | #define BIT_APP_UPCHG 0x10 |
62551d3e | 40 | #define BIT_RESETLINK 0x40 |
235ea828 | 41 | #define BIT_LINKSPEED 0x80 |
2f90b865 | 42 | |
62551d3e PWJ |
43 | /* Responses for the DCB_C_SET_ALL command */ |
44 | #define DCB_HW_CHG_RST 0 /* DCB configuration changed with reset */ | |
45 | #define DCB_NO_HW_CHG 1 /* DCB configuration did not change */ | |
46 | #define DCB_HW_CHG 2 /* DCB configuration changed, no reset */ | |
47 | ||
2f90b865 AD |
48 | int ixgbe_copy_dcb_cfg(struct ixgbe_dcb_config *src_dcb_cfg, |
49 | struct ixgbe_dcb_config *dst_dcb_cfg, int tc_max) | |
50 | { | |
51 | struct tc_configuration *src_tc_cfg = NULL; | |
52 | struct tc_configuration *dst_tc_cfg = NULL; | |
53 | int i; | |
54 | ||
55 | if (!src_dcb_cfg || !dst_dcb_cfg) | |
56 | return -EINVAL; | |
57 | ||
58 | for (i = DCB_PG_ATTR_TC_0; i < tc_max + DCB_PG_ATTR_TC_0; i++) { | |
59 | src_tc_cfg = &src_dcb_cfg->tc_config[i - DCB_PG_ATTR_TC_0]; | |
60 | dst_tc_cfg = &dst_dcb_cfg->tc_config[i - DCB_PG_ATTR_TC_0]; | |
61 | ||
62 | dst_tc_cfg->path[DCB_TX_CONFIG].prio_type = | |
63 | src_tc_cfg->path[DCB_TX_CONFIG].prio_type; | |
64 | ||
65 | dst_tc_cfg->path[DCB_TX_CONFIG].bwg_id = | |
66 | src_tc_cfg->path[DCB_TX_CONFIG].bwg_id; | |
67 | ||
68 | dst_tc_cfg->path[DCB_TX_CONFIG].bwg_percent = | |
69 | src_tc_cfg->path[DCB_TX_CONFIG].bwg_percent; | |
70 | ||
71 | dst_tc_cfg->path[DCB_TX_CONFIG].up_to_tc_bitmap = | |
72 | src_tc_cfg->path[DCB_TX_CONFIG].up_to_tc_bitmap; | |
73 | ||
74 | dst_tc_cfg->path[DCB_RX_CONFIG].prio_type = | |
75 | src_tc_cfg->path[DCB_RX_CONFIG].prio_type; | |
76 | ||
77 | dst_tc_cfg->path[DCB_RX_CONFIG].bwg_id = | |
78 | src_tc_cfg->path[DCB_RX_CONFIG].bwg_id; | |
79 | ||
80 | dst_tc_cfg->path[DCB_RX_CONFIG].bwg_percent = | |
81 | src_tc_cfg->path[DCB_RX_CONFIG].bwg_percent; | |
82 | ||
83 | dst_tc_cfg->path[DCB_RX_CONFIG].up_to_tc_bitmap = | |
84 | src_tc_cfg->path[DCB_RX_CONFIG].up_to_tc_bitmap; | |
85 | } | |
86 | ||
87 | for (i = DCB_PG_ATTR_BW_ID_0; i < DCB_PG_ATTR_BW_ID_MAX; i++) { | |
88 | dst_dcb_cfg->bw_percentage[DCB_TX_CONFIG] | |
89 | [i-DCB_PG_ATTR_BW_ID_0] = src_dcb_cfg->bw_percentage | |
90 | [DCB_TX_CONFIG][i-DCB_PG_ATTR_BW_ID_0]; | |
91 | dst_dcb_cfg->bw_percentage[DCB_RX_CONFIG] | |
92 | [i-DCB_PG_ATTR_BW_ID_0] = src_dcb_cfg->bw_percentage | |
93 | [DCB_RX_CONFIG][i-DCB_PG_ATTR_BW_ID_0]; | |
94 | } | |
95 | ||
96 | for (i = DCB_PFC_UP_ATTR_0; i < DCB_PFC_UP_ATTR_MAX; i++) { | |
97 | dst_dcb_cfg->tc_config[i - DCB_PFC_UP_ATTR_0].dcb_pfc = | |
98 | src_dcb_cfg->tc_config[i - DCB_PFC_UP_ATTR_0].dcb_pfc; | |
99 | } | |
100 | ||
ea4af4f4 PW |
101 | dst_dcb_cfg->pfc_mode_enable = src_dcb_cfg->pfc_mode_enable; |
102 | ||
2f90b865 AD |
103 | return 0; |
104 | } | |
105 | ||
106 | static u8 ixgbe_dcbnl_get_state(struct net_device *netdev) | |
107 | { | |
108 | struct ixgbe_adapter *adapter = netdev_priv(netdev); | |
109 | ||
2f90b865 AD |
110 | return !!(adapter->flags & IXGBE_FLAG_DCB_ENABLED); |
111 | } | |
112 | ||
1486a61e | 113 | static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state) |
2f90b865 | 114 | { |
1486a61e | 115 | u8 err = 0; |
2f90b865 AD |
116 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
117 | ||
2f90b865 AD |
118 | if (state > 0) { |
119 | /* Turn on DCB */ | |
1486a61e DS |
120 | if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) |
121 | goto out; | |
2f90b865 | 122 | |
1486a61e | 123 | if (!(adapter->flags & IXGBE_FLAG_MSIX_ENABLED)) { |
396e799c | 124 | e_err(drv, "Enable failed, needs MSI-X\n"); |
1486a61e DS |
125 | err = 1; |
126 | goto out; | |
2f90b865 | 127 | } |
1486a61e DS |
128 | |
129 | if (netif_running(netdev)) | |
130 | netdev->netdev_ops->ndo_stop(netdev); | |
7a921c93 | 131 | ixgbe_clear_interrupt_scheme(adapter); |
1486a61e | 132 | |
264857b8 PWJ |
133 | if (adapter->hw.mac.type == ixgbe_mac_82598EB) { |
134 | adapter->last_lfc_mode = adapter->hw.fc.current_mode; | |
135 | adapter->hw.fc.requested_mode = ixgbe_fc_none; | |
136 | } | |
1486a61e | 137 | adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED; |
8faa2a78 YZ |
138 | if (adapter->hw.mac.type == ixgbe_mac_82599EB) { |
139 | adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE; | |
140 | adapter->flags &= ~IXGBE_FLAG_FDIR_PERFECT_CAPABLE; | |
141 | } | |
1486a61e DS |
142 | adapter->flags |= IXGBE_FLAG_DCB_ENABLED; |
143 | ixgbe_init_interrupt_scheme(adapter); | |
1486a61e DS |
144 | if (netif_running(netdev)) |
145 | netdev->netdev_ops->ndo_open(netdev); | |
2f90b865 AD |
146 | } else { |
147 | /* Turn off DCB */ | |
148 | if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { | |
149 | if (netif_running(netdev)) | |
1486a61e | 150 | netdev->netdev_ops->ndo_stop(netdev); |
7a921c93 | 151 | ixgbe_clear_interrupt_scheme(adapter); |
2f90b865 | 152 | |
264857b8 PWJ |
153 | adapter->hw.fc.requested_mode = adapter->last_lfc_mode; |
154 | adapter->temp_dcb_cfg.pfc_mode_enable = false; | |
155 | adapter->dcb_cfg.pfc_mode_enable = false; | |
2f90b865 AD |
156 | adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED; |
157 | adapter->flags |= IXGBE_FLAG_RSS_ENABLED; | |
8faa2a78 YZ |
158 | if (adapter->hw.mac.type == ixgbe_mac_82599EB) |
159 | adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE; | |
0d551589 | 160 | |
2f90b865 | 161 | ixgbe_init_interrupt_scheme(adapter); |
2f90b865 | 162 | if (netif_running(netdev)) |
1486a61e | 163 | netdev->netdev_ops->ndo_open(netdev); |
2f90b865 AD |
164 | } |
165 | } | |
1486a61e DS |
166 | out: |
167 | return err; | |
2f90b865 AD |
168 | } |
169 | ||
170 | static void ixgbe_dcbnl_get_perm_hw_addr(struct net_device *netdev, | |
171 | u8 *perm_addr) | |
172 | { | |
173 | struct ixgbe_adapter *adapter = netdev_priv(netdev); | |
aca6bee7 | 174 | int i, j; |
2f90b865 | 175 | |
86e713a0 LL |
176 | memset(perm_addr, 0xff, MAX_ADDR_LEN); |
177 | ||
2f90b865 AD |
178 | for (i = 0; i < netdev->addr_len; i++) |
179 | perm_addr[i] = adapter->hw.mac.perm_addr[i]; | |
aca6bee7 WJP |
180 | |
181 | if (adapter->hw.mac.type == ixgbe_mac_82599EB) { | |
182 | for (j = 0; j < netdev->addr_len; j++, i++) | |
183 | perm_addr[i] = adapter->hw.mac.san_addr[j]; | |
184 | } | |
2f90b865 AD |
185 | } |
186 | ||
187 | static void ixgbe_dcbnl_set_pg_tc_cfg_tx(struct net_device *netdev, int tc, | |
188 | u8 prio, u8 bwg_id, u8 bw_pct, | |
189 | u8 up_map) | |
190 | { | |
191 | struct ixgbe_adapter *adapter = netdev_priv(netdev); | |
192 | ||
193 | if (prio != DCB_ATTR_VALUE_UNDEFINED) | |
194 | adapter->temp_dcb_cfg.tc_config[tc].path[0].prio_type = prio; | |
195 | if (bwg_id != DCB_ATTR_VALUE_UNDEFINED) | |
196 | adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_id = bwg_id; | |
197 | if (bw_pct != DCB_ATTR_VALUE_UNDEFINED) | |
198 | adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_percent = | |
199 | bw_pct; | |
200 | if (up_map != DCB_ATTR_VALUE_UNDEFINED) | |
201 | adapter->temp_dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap = | |
202 | up_map; | |
203 | ||
204 | if ((adapter->temp_dcb_cfg.tc_config[tc].path[0].prio_type != | |
205 | adapter->dcb_cfg.tc_config[tc].path[0].prio_type) || | |
206 | (adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_id != | |
207 | adapter->dcb_cfg.tc_config[tc].path[0].bwg_id) || | |
208 | (adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_percent != | |
209 | adapter->dcb_cfg.tc_config[tc].path[0].bwg_percent) || | |
210 | (adapter->temp_dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap != | |
62551d3e | 211 | adapter->dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap)) { |
2f90b865 | 212 | adapter->dcb_set_bitmap |= BIT_PG_TX; |
62551d3e PWJ |
213 | adapter->dcb_set_bitmap |= BIT_RESETLINK; |
214 | } | |
2f90b865 AD |
215 | } |
216 | ||
217 | static void ixgbe_dcbnl_set_pg_bwg_cfg_tx(struct net_device *netdev, int bwg_id, | |
218 | u8 bw_pct) | |
219 | { | |
220 | struct ixgbe_adapter *adapter = netdev_priv(netdev); | |
221 | ||
222 | adapter->temp_dcb_cfg.bw_percentage[0][bwg_id] = bw_pct; | |
223 | ||
224 | if (adapter->temp_dcb_cfg.bw_percentage[0][bwg_id] != | |
62551d3e | 225 | adapter->dcb_cfg.bw_percentage[0][bwg_id]) { |
ebe1b30c | 226 | adapter->dcb_set_bitmap |= BIT_PG_TX; |
62551d3e PWJ |
227 | adapter->dcb_set_bitmap |= BIT_RESETLINK; |
228 | } | |
2f90b865 AD |
229 | } |
230 | ||
231 | static void ixgbe_dcbnl_set_pg_tc_cfg_rx(struct net_device *netdev, int tc, | |
232 | u8 prio, u8 bwg_id, u8 bw_pct, | |
233 | u8 up_map) | |
234 | { | |
235 | struct ixgbe_adapter *adapter = netdev_priv(netdev); | |
236 | ||
237 | if (prio != DCB_ATTR_VALUE_UNDEFINED) | |
238 | adapter->temp_dcb_cfg.tc_config[tc].path[1].prio_type = prio; | |
239 | if (bwg_id != DCB_ATTR_VALUE_UNDEFINED) | |
240 | adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_id = bwg_id; | |
241 | if (bw_pct != DCB_ATTR_VALUE_UNDEFINED) | |
242 | adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_percent = | |
243 | bw_pct; | |
244 | if (up_map != DCB_ATTR_VALUE_UNDEFINED) | |
245 | adapter->temp_dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap = | |
246 | up_map; | |
247 | ||
248 | if ((adapter->temp_dcb_cfg.tc_config[tc].path[1].prio_type != | |
249 | adapter->dcb_cfg.tc_config[tc].path[1].prio_type) || | |
250 | (adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_id != | |
251 | adapter->dcb_cfg.tc_config[tc].path[1].bwg_id) || | |
252 | (adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_percent != | |
253 | adapter->dcb_cfg.tc_config[tc].path[1].bwg_percent) || | |
254 | (adapter->temp_dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap != | |
62551d3e | 255 | adapter->dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap)) { |
2f90b865 | 256 | adapter->dcb_set_bitmap |= BIT_PG_RX; |
62551d3e PWJ |
257 | adapter->dcb_set_bitmap |= BIT_RESETLINK; |
258 | } | |
2f90b865 AD |
259 | } |
260 | ||
261 | static void ixgbe_dcbnl_set_pg_bwg_cfg_rx(struct net_device *netdev, int bwg_id, | |
262 | u8 bw_pct) | |
263 | { | |
264 | struct ixgbe_adapter *adapter = netdev_priv(netdev); | |
265 | ||
266 | adapter->temp_dcb_cfg.bw_percentage[1][bwg_id] = bw_pct; | |
267 | ||
268 | if (adapter->temp_dcb_cfg.bw_percentage[1][bwg_id] != | |
62551d3e | 269 | adapter->dcb_cfg.bw_percentage[1][bwg_id]) { |
2f90b865 | 270 | adapter->dcb_set_bitmap |= BIT_PG_RX; |
62551d3e PWJ |
271 | adapter->dcb_set_bitmap |= BIT_RESETLINK; |
272 | } | |
2f90b865 AD |
273 | } |
274 | ||
275 | static void ixgbe_dcbnl_get_pg_tc_cfg_tx(struct net_device *netdev, int tc, | |
276 | u8 *prio, u8 *bwg_id, u8 *bw_pct, | |
277 | u8 *up_map) | |
278 | { | |
279 | struct ixgbe_adapter *adapter = netdev_priv(netdev); | |
280 | ||
281 | *prio = adapter->dcb_cfg.tc_config[tc].path[0].prio_type; | |
282 | *bwg_id = adapter->dcb_cfg.tc_config[tc].path[0].bwg_id; | |
283 | *bw_pct = adapter->dcb_cfg.tc_config[tc].path[0].bwg_percent; | |
284 | *up_map = adapter->dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap; | |
285 | } | |
286 | ||
287 | static void ixgbe_dcbnl_get_pg_bwg_cfg_tx(struct net_device *netdev, int bwg_id, | |
288 | u8 *bw_pct) | |
289 | { | |
290 | struct ixgbe_adapter *adapter = netdev_priv(netdev); | |
291 | ||
292 | *bw_pct = adapter->dcb_cfg.bw_percentage[0][bwg_id]; | |
293 | } | |
294 | ||
295 | static void ixgbe_dcbnl_get_pg_tc_cfg_rx(struct net_device *netdev, int tc, | |
296 | u8 *prio, u8 *bwg_id, u8 *bw_pct, | |
297 | u8 *up_map) | |
298 | { | |
299 | struct ixgbe_adapter *adapter = netdev_priv(netdev); | |
300 | ||
301 | *prio = adapter->dcb_cfg.tc_config[tc].path[1].prio_type; | |
302 | *bwg_id = adapter->dcb_cfg.tc_config[tc].path[1].bwg_id; | |
303 | *bw_pct = adapter->dcb_cfg.tc_config[tc].path[1].bwg_percent; | |
304 | *up_map = adapter->dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap; | |
305 | } | |
306 | ||
307 | static void ixgbe_dcbnl_get_pg_bwg_cfg_rx(struct net_device *netdev, int bwg_id, | |
308 | u8 *bw_pct) | |
309 | { | |
310 | struct ixgbe_adapter *adapter = netdev_priv(netdev); | |
311 | ||
312 | *bw_pct = adapter->dcb_cfg.bw_percentage[1][bwg_id]; | |
313 | } | |
314 | ||
315 | static void ixgbe_dcbnl_set_pfc_cfg(struct net_device *netdev, int priority, | |
316 | u8 setting) | |
317 | { | |
318 | struct ixgbe_adapter *adapter = netdev_priv(netdev); | |
319 | ||
320 | adapter->temp_dcb_cfg.tc_config[priority].dcb_pfc = setting; | |
321 | if (adapter->temp_dcb_cfg.tc_config[priority].dcb_pfc != | |
ea4af4f4 | 322 | adapter->dcb_cfg.tc_config[priority].dcb_pfc) { |
2f90b865 | 323 | adapter->dcb_set_bitmap |= BIT_PFC; |
ea4af4f4 PW |
324 | adapter->temp_dcb_cfg.pfc_mode_enable = true; |
325 | } | |
2f90b865 AD |
326 | } |
327 | ||
328 | static void ixgbe_dcbnl_get_pfc_cfg(struct net_device *netdev, int priority, | |
329 | u8 *setting) | |
330 | { | |
331 | struct ixgbe_adapter *adapter = netdev_priv(netdev); | |
332 | ||
333 | *setting = adapter->dcb_cfg.tc_config[priority].dcb_pfc; | |
334 | } | |
335 | ||
336 | static u8 ixgbe_dcbnl_set_all(struct net_device *netdev) | |
337 | { | |
338 | struct ixgbe_adapter *adapter = netdev_priv(netdev); | |
339 | int ret; | |
340 | ||
341 | if (!adapter->dcb_set_bitmap) | |
62551d3e | 342 | return DCB_NO_HW_CHG; |
2f90b865 | 343 | |
3ce1cc52 JF |
344 | ret = ixgbe_copy_dcb_cfg(&adapter->temp_dcb_cfg, &adapter->dcb_cfg, |
345 | adapter->ring_feature[RING_F_DCB].indices); | |
346 | ||
347 | if (ret) | |
348 | return DCB_NO_HW_CHG; | |
349 | ||
62551d3e PWJ |
350 | /* |
351 | * Only take down the adapter if the configuration change | |
352 | * requires a reset. | |
353 | */ | |
354 | if (adapter->dcb_set_bitmap & BIT_RESETLINK) { | |
355 | while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state)) | |
356 | msleep(1); | |
2f90b865 | 357 | |
8de8b2e6 YZ |
358 | if (adapter->dcb_set_bitmap & BIT_APP_UPCHG) { |
359 | if (netif_running(netdev)) | |
360 | netdev->netdev_ops->ndo_stop(netdev); | |
361 | ixgbe_clear_interrupt_scheme(adapter); | |
362 | } else { | |
363 | if (netif_running(netdev)) | |
364 | ixgbe_down(adapter); | |
365 | } | |
62551d3e | 366 | } |
2f90b865 | 367 | |
264857b8 PWJ |
368 | if (adapter->dcb_cfg.pfc_mode_enable) { |
369 | if ((adapter->hw.mac.type != ixgbe_mac_82598EB) && | |
370 | (adapter->hw.fc.current_mode != ixgbe_fc_pfc)) | |
371 | adapter->last_lfc_mode = adapter->hw.fc.current_mode; | |
372 | adapter->hw.fc.requested_mode = ixgbe_fc_pfc; | |
373 | } else { | |
374 | if (adapter->hw.mac.type != ixgbe_mac_82598EB) | |
375 | adapter->hw.fc.requested_mode = adapter->last_lfc_mode; | |
376 | else | |
377 | adapter->hw.fc.requested_mode = ixgbe_fc_none; | |
378 | } | |
379 | ||
62551d3e | 380 | if (adapter->dcb_set_bitmap & BIT_RESETLINK) { |
8de8b2e6 YZ |
381 | if (adapter->dcb_set_bitmap & BIT_APP_UPCHG) { |
382 | ixgbe_init_interrupt_scheme(adapter); | |
383 | if (netif_running(netdev)) | |
384 | netdev->netdev_ops->ndo_open(netdev); | |
385 | } else { | |
386 | if (netif_running(netdev)) | |
387 | ixgbe_up(adapter); | |
388 | } | |
62551d3e PWJ |
389 | ret = DCB_HW_CHG_RST; |
390 | } else if (adapter->dcb_set_bitmap & BIT_PFC) { | |
391 | if (adapter->hw.mac.type == ixgbe_mac_82598EB) | |
392 | ixgbe_dcb_config_pfc_82598(&adapter->hw, | |
393 | &adapter->dcb_cfg); | |
394 | else if (adapter->hw.mac.type == ixgbe_mac_82599EB) | |
395 | ixgbe_dcb_config_pfc_82599(&adapter->hw, | |
396 | &adapter->dcb_cfg); | |
397 | ret = DCB_HW_CHG; | |
398 | } | |
264857b8 PWJ |
399 | if (adapter->dcb_cfg.pfc_mode_enable) |
400 | adapter->hw.fc.current_mode = ixgbe_fc_pfc; | |
401 | ||
62551d3e PWJ |
402 | if (adapter->dcb_set_bitmap & BIT_RESETLINK) |
403 | clear_bit(__IXGBE_RESETTING, &adapter->state); | |
2f90b865 | 404 | adapter->dcb_set_bitmap = 0x00; |
2f90b865 AD |
405 | return ret; |
406 | } | |
407 | ||
46132188 AD |
408 | static u8 ixgbe_dcbnl_getcap(struct net_device *netdev, int capid, u8 *cap) |
409 | { | |
410 | struct ixgbe_adapter *adapter = netdev_priv(netdev); | |
411 | u8 rval = 0; | |
412 | ||
413 | if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { | |
414 | switch (capid) { | |
415 | case DCB_CAP_ATTR_PG: | |
416 | *cap = true; | |
417 | break; | |
418 | case DCB_CAP_ATTR_PFC: | |
419 | *cap = true; | |
420 | break; | |
421 | case DCB_CAP_ATTR_UP2TC: | |
422 | *cap = false; | |
423 | break; | |
424 | case DCB_CAP_ATTR_PG_TCS: | |
425 | *cap = 0x80; | |
426 | break; | |
427 | case DCB_CAP_ATTR_PFC_TCS: | |
428 | *cap = 0x80; | |
429 | break; | |
430 | case DCB_CAP_ATTR_GSP: | |
431 | *cap = true; | |
432 | break; | |
433 | case DCB_CAP_ATTR_BCN: | |
434 | *cap = false; | |
435 | break; | |
436 | default: | |
437 | rval = -EINVAL; | |
438 | break; | |
439 | } | |
440 | } else { | |
441 | rval = -EINVAL; | |
442 | } | |
443 | ||
444 | return rval; | |
445 | } | |
446 | ||
33dbabc4 AD |
447 | static u8 ixgbe_dcbnl_getnumtcs(struct net_device *netdev, int tcid, u8 *num) |
448 | { | |
449 | struct ixgbe_adapter *adapter = netdev_priv(netdev); | |
450 | u8 rval = 0; | |
451 | ||
452 | if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { | |
453 | switch (tcid) { | |
454 | case DCB_NUMTCS_ATTR_PG: | |
455 | *num = MAX_TRAFFIC_CLASS; | |
456 | break; | |
457 | case DCB_NUMTCS_ATTR_PFC: | |
458 | *num = MAX_TRAFFIC_CLASS; | |
459 | break; | |
460 | default: | |
461 | rval = -EINVAL; | |
462 | break; | |
463 | } | |
464 | } else { | |
465 | rval = -EINVAL; | |
466 | } | |
467 | ||
468 | return rval; | |
469 | } | |
470 | ||
471 | static u8 ixgbe_dcbnl_setnumtcs(struct net_device *netdev, int tcid, u8 num) | |
472 | { | |
473 | return -EINVAL; | |
474 | } | |
475 | ||
0eb3aa9b AD |
476 | static u8 ixgbe_dcbnl_getpfcstate(struct net_device *netdev) |
477 | { | |
478 | struct ixgbe_adapter *adapter = netdev_priv(netdev); | |
479 | ||
264857b8 | 480 | return adapter->dcb_cfg.pfc_mode_enable; |
0eb3aa9b AD |
481 | } |
482 | ||
483 | static void ixgbe_dcbnl_setpfcstate(struct net_device *netdev, u8 state) | |
484 | { | |
264857b8 PWJ |
485 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
486 | ||
487 | adapter->temp_dcb_cfg.pfc_mode_enable = state; | |
488 | if (adapter->temp_dcb_cfg.pfc_mode_enable != | |
489 | adapter->dcb_cfg.pfc_mode_enable) | |
490 | adapter->dcb_set_bitmap |= BIT_PFC; | |
0eb3aa9b AD |
491 | } |
492 | ||
6ee16520 YZ |
493 | /** |
494 | * ixgbe_dcbnl_getapp - retrieve the DCBX application user priority | |
495 | * @netdev : the corresponding netdev | |
496 | * @idtype : identifies the id as ether type or TCP/UDP port number | |
497 | * @id: id is either ether type or TCP/UDP port number | |
498 | * | |
499 | * Returns : on success, returns a non-zero 802.1p user priority bitmap | |
500 | * otherwise returns 0 as the invalid user priority bitmap to indicate an | |
501 | * error. | |
502 | */ | |
503 | static u8 ixgbe_dcbnl_getapp(struct net_device *netdev, u8 idtype, u16 id) | |
504 | { | |
505 | u8 rval = 0; | |
506 | ||
507 | switch (idtype) { | |
508 | case DCB_APP_IDTYPE_ETHTYPE: | |
509 | #ifdef IXGBE_FCOE | |
510 | if (id == ETH_P_FCOE) | |
511 | rval = ixgbe_fcoe_getapp(netdev_priv(netdev)); | |
512 | #endif | |
513 | break; | |
514 | case DCB_APP_IDTYPE_PORTNUM: | |
515 | break; | |
516 | default: | |
517 | break; | |
518 | } | |
519 | return rval; | |
520 | } | |
521 | ||
522 | /** | |
523 | * ixgbe_dcbnl_setapp - set the DCBX application user priority | |
524 | * @netdev : the corresponding netdev | |
525 | * @idtype : identifies the id as ether type or TCP/UDP port number | |
526 | * @id: id is either ether type or TCP/UDP port number | |
527 | * @up: the 802.1p user priority bitmap | |
528 | * | |
529 | * Returns : 0 on success or 1 on error | |
530 | */ | |
531 | static u8 ixgbe_dcbnl_setapp(struct net_device *netdev, | |
532 | u8 idtype, u16 id, u8 up) | |
533 | { | |
534 | u8 rval = 1; | |
535 | ||
536 | switch (idtype) { | |
537 | case DCB_APP_IDTYPE_ETHTYPE: | |
538 | #ifdef IXGBE_FCOE | |
8de8b2e6 YZ |
539 | if (id == ETH_P_FCOE) { |
540 | u8 tc; | |
541 | struct ixgbe_adapter *adapter; | |
542 | ||
543 | adapter = netdev_priv(netdev); | |
544 | tc = adapter->fcoe.tc; | |
545 | rval = ixgbe_fcoe_setapp(adapter, up); | |
546 | if ((!rval) && (tc != adapter->fcoe.tc) && | |
547 | (adapter->flags & IXGBE_FLAG_DCB_ENABLED) && | |
548 | (adapter->flags & IXGBE_FLAG_FCOE_ENABLED)) { | |
549 | adapter->dcb_set_bitmap |= BIT_APP_UPCHG; | |
550 | adapter->dcb_set_bitmap |= BIT_RESETLINK; | |
551 | } | |
552 | } | |
6ee16520 YZ |
553 | #endif |
554 | break; | |
555 | case DCB_APP_IDTYPE_PORTNUM: | |
556 | break; | |
557 | default: | |
558 | break; | |
559 | } | |
560 | return rval; | |
561 | } | |
562 | ||
32953543 | 563 | const struct dcbnl_rtnl_ops dcbnl_ops = { |
2f90b865 AD |
564 | .getstate = ixgbe_dcbnl_get_state, |
565 | .setstate = ixgbe_dcbnl_set_state, | |
566 | .getpermhwaddr = ixgbe_dcbnl_get_perm_hw_addr, | |
567 | .setpgtccfgtx = ixgbe_dcbnl_set_pg_tc_cfg_tx, | |
568 | .setpgbwgcfgtx = ixgbe_dcbnl_set_pg_bwg_cfg_tx, | |
569 | .setpgtccfgrx = ixgbe_dcbnl_set_pg_tc_cfg_rx, | |
570 | .setpgbwgcfgrx = ixgbe_dcbnl_set_pg_bwg_cfg_rx, | |
571 | .getpgtccfgtx = ixgbe_dcbnl_get_pg_tc_cfg_tx, | |
572 | .getpgbwgcfgtx = ixgbe_dcbnl_get_pg_bwg_cfg_tx, | |
573 | .getpgtccfgrx = ixgbe_dcbnl_get_pg_tc_cfg_rx, | |
574 | .getpgbwgcfgrx = ixgbe_dcbnl_get_pg_bwg_cfg_rx, | |
575 | .setpfccfg = ixgbe_dcbnl_set_pfc_cfg, | |
576 | .getpfccfg = ixgbe_dcbnl_get_pfc_cfg, | |
46132188 | 577 | .setall = ixgbe_dcbnl_set_all, |
33dbabc4 AD |
578 | .getcap = ixgbe_dcbnl_getcap, |
579 | .getnumtcs = ixgbe_dcbnl_getnumtcs, | |
0eb3aa9b AD |
580 | .setnumtcs = ixgbe_dcbnl_setnumtcs, |
581 | .getpfcstate = ixgbe_dcbnl_getpfcstate, | |
859ee3c4 | 582 | .setpfcstate = ixgbe_dcbnl_setpfcstate, |
6ee16520 YZ |
583 | .getapp = ixgbe_dcbnl_getapp, |
584 | .setapp = ixgbe_dcbnl_setapp, | |
2f90b865 AD |
585 | }; |
586 |