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b3890e30 AD |
1 | /* Intel Ethernet Switch Host Interface Driver |
2 | * Copyright(c) 2013 - 2014 Intel Corporation. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms and conditions of the GNU General Public License, | |
6 | * version 2, as published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope it will be useful, but WITHOUT | |
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
11 | * more details. | |
12 | * | |
13 | * The full GNU General Public License is included in this distribution in | |
14 | * the file called "COPYING". | |
15 | * | |
16 | * Contact Information: | |
17 | * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> | |
18 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
19 | */ | |
20 | ||
21 | #ifndef _FM10K_H_ | |
22 | #define _FM10K_H_ | |
23 | ||
24 | #include <linux/types.h> | |
25 | #include <linux/etherdevice.h> | |
26 | #include <linux/rtnetlink.h> | |
27 | #include <linux/if_vlan.h> | |
28 | #include <linux/pci.h> | |
29 | ||
0e7b3644 AD |
30 | #include "fm10k_pf.h" |
31 | ||
32 | #define FM10K_MAX_JUMBO_FRAME_SIZE 15358 /* Maximum supported size 15K */ | |
33 | ||
34 | enum fm10k_ring_f_enum { | |
35 | RING_F_RSS, | |
36 | RING_F_QOS, | |
37 | RING_F_ARRAY_SIZE /* must be last in enum set */ | |
38 | }; | |
39 | ||
40 | struct fm10k_ring_feature { | |
41 | u16 limit; /* upper limit on feature indices */ | |
42 | u16 indices; /* current value of indices */ | |
43 | u16 mask; /* Mask used for feature to ring mapping */ | |
44 | u16 offset; /* offset to start of feature */ | |
45 | }; | |
46 | ||
47 | #define fm10k_vxlan_port_for_each(vp, intfc) \ | |
48 | list_for_each_entry(vp, &(intfc)->vxlan_port, list) | |
49 | struct fm10k_vxlan_port { | |
50 | struct list_head list; | |
51 | sa_family_t sa_family; | |
52 | __be16 port; | |
53 | }; | |
04a5aefb AD |
54 | |
55 | struct fm10k_intfc { | |
0e7b3644 AD |
56 | unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; |
57 | struct net_device *netdev; | |
04a5aefb | 58 | struct pci_dev *pdev; |
0e7b3644 AD |
59 | unsigned long state; |
60 | ||
61 | u32 flags; | |
62 | #define FM10K_FLAG_RESET_REQUESTED (u32)(1 << 0) | |
63 | #define FM10K_FLAG_RSS_FIELD_IPV4_UDP (u32)(1 << 1) | |
64 | #define FM10K_FLAG_RSS_FIELD_IPV6_UDP (u32)(1 << 2) | |
65 | #define FM10K_FLAG_RX_TS_ENABLED (u32)(1 << 3) | |
66 | #define FM10K_FLAG_SWPRI_CONFIG (u32)(1 << 4) | |
67 | int xcast_mode; | |
68 | ||
69 | u64 rx_overrun_pf; | |
70 | u64 rx_overrun_vf; | |
04a5aefb | 71 | |
0e7b3644 AD |
72 | struct fm10k_ring_feature ring_feature[RING_F_ARRAY_SIZE]; |
73 | ||
74 | struct fm10k_hw_stats stats; | |
04a5aefb AD |
75 | struct fm10k_hw hw; |
76 | u32 __iomem *uc_addr; | |
0e7b3644 AD |
77 | u16 msg_enable; |
78 | ||
79 | u32 reta[FM10K_RETA_SIZE]; | |
80 | u32 rssrk[FM10K_RSSRK_SIZE]; | |
81 | ||
82 | /* VXLAN port tracking information */ | |
83 | struct list_head vxlan_port; | |
84 | ||
85 | #if defined(HAVE_DCBNL_IEEE) && defined(CONFIG_DCB) | |
86 | u8 pfc_en; | |
87 | #endif | |
88 | u8 rx_pause; | |
89 | ||
90 | /* GLORT resources in use by PF */ | |
91 | u16 glort; | |
92 | u16 glort_count; | |
93 | ||
94 | /* VLAN ID for updating multicast/unicast lists */ | |
95 | u16 vid; | |
96 | }; | |
97 | ||
98 | enum fm10k_state_t { | |
99 | __FM10K_RESETTING, | |
100 | __FM10K_DOWN, | |
101 | __FM10K_MBX_LOCK, | |
102 | __FM10K_LINK_DOWN, | |
04a5aefb | 103 | }; |
b3890e30 | 104 | |
0e7b3644 AD |
105 | static inline void fm10k_mbx_lock(struct fm10k_intfc *interface) |
106 | { | |
107 | /* busy loop if we cannot obtain the lock as some calls | |
108 | * such as ndo_set_rx_mode may be made in atomic context | |
109 | */ | |
110 | while (test_and_set_bit(__FM10K_MBX_LOCK, &interface->state)) | |
111 | udelay(20); | |
112 | } | |
113 | ||
114 | static inline void fm10k_mbx_unlock(struct fm10k_intfc *interface) | |
115 | { | |
116 | /* flush memory to make sure state is correct */ | |
117 | smp_mb__before_atomic(); | |
118 | clear_bit(__FM10K_MBX_LOCK, &interface->state); | |
119 | } | |
120 | ||
121 | static inline int fm10k_mbx_trylock(struct fm10k_intfc *interface) | |
122 | { | |
123 | return !test_and_set_bit(__FM10K_MBX_LOCK, &interface->state); | |
124 | } | |
125 | ||
b3890e30 AD |
126 | /* main */ |
127 | extern char fm10k_driver_name[]; | |
128 | extern const char fm10k_driver_version[]; | |
129 | ||
130 | /* PCI */ | |
131 | int fm10k_register_pci_driver(void); | |
132 | void fm10k_unregister_pci_driver(void); | |
0e7b3644 AD |
133 | |
134 | /* Netdev */ | |
135 | struct net_device *fm10k_alloc_netdev(void); | |
b3890e30 | 136 | #endif /* _FM10K_H_ */ |