Saeed Mahameed | 073bb18 | 2015-12-01 18:03:18 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2015, Mellanox Technologies, Ltd. All rights reserved. |
| 3 | * |
| 4 | * This software is available to you under a choice of one of two |
| 5 | * licenses. You may choose to be licensed under the terms of the GNU |
| 6 | * General Public License (GPL) Version 2, available from the file |
| 7 | * COPYING in the main directory of this source tree, or the |
| 8 | * OpenIB.org BSD license below: |
| 9 | * |
| 10 | * Redistribution and use in source and binary forms, with or |
| 11 | * without modification, are permitted provided that the following |
| 12 | * conditions are met: |
| 13 | * |
| 14 | * - Redistributions of source code must retain the above |
| 15 | * copyright notice, this list of conditions and the following |
| 16 | * disclaimer. |
| 17 | * |
| 18 | * - Redistributions in binary form must reproduce the above |
| 19 | * copyright notice, this list of conditions and the following |
| 20 | * disclaimer in the documentation and/or other materials |
| 21 | * provided with the distribution. |
| 22 | * |
| 23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 30 | * SOFTWARE. |
| 31 | */ |
| 32 | |
| 33 | #ifndef __MLX5_ESWITCH_H__ |
| 34 | #define __MLX5_ESWITCH_H__ |
| 35 | |
Saeed Mahameed | 7725657 | 2015-12-01 18:03:21 +0200 | [diff] [blame] | 36 | #include <linux/if_ether.h> |
| 37 | #include <linux/if_link.h> |
Or Gerlitz | feae908 | 2016-07-01 14:51:02 +0300 | [diff] [blame] | 38 | #include <net/devlink.h> |
Saeed Mahameed | 073bb18 | 2015-12-01 18:03:18 +0200 | [diff] [blame] | 39 | #include <linux/mlx5/device.h> |
| 40 | |
| 41 | #define MLX5_MAX_UC_PER_VPORT(dev) \ |
| 42 | (1 << MLX5_CAP_GEN(dev, log_max_current_uc_list)) |
| 43 | |
| 44 | #define MLX5_MAX_MC_PER_VPORT(dev) \ |
| 45 | (1 << MLX5_CAP_GEN(dev, log_max_current_mc_list)) |
| 46 | |
| 47 | #define MLX5_L2_ADDR_HASH_SIZE (BIT(BITS_PER_BYTE)) |
| 48 | #define MLX5_L2_ADDR_HASH(addr) (addr[5]) |
| 49 | |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 50 | #define FDB_UPLINK_VPORT 0xffff |
| 51 | |
Saeed Mahameed | 073bb18 | 2015-12-01 18:03:18 +0200 | [diff] [blame] | 52 | /* L2 -mac address based- hash helpers */ |
| 53 | struct l2addr_node { |
| 54 | struct hlist_node hlist; |
| 55 | u8 addr[ETH_ALEN]; |
| 56 | }; |
| 57 | |
| 58 | #define for_each_l2hash_node(hn, tmp, hash, i) \ |
| 59 | for (i = 0; i < MLX5_L2_ADDR_HASH_SIZE; i++) \ |
| 60 | hlist_for_each_entry_safe(hn, tmp, &hash[i], hlist) |
| 61 | |
| 62 | #define l2addr_hash_find(hash, mac, type) ({ \ |
| 63 | int ix = MLX5_L2_ADDR_HASH(mac); \ |
| 64 | bool found = false; \ |
| 65 | type *ptr = NULL; \ |
| 66 | \ |
| 67 | hlist_for_each_entry(ptr, &hash[ix], node.hlist) \ |
| 68 | if (ether_addr_equal(ptr->node.addr, mac)) {\ |
| 69 | found = true; \ |
| 70 | break; \ |
| 71 | } \ |
| 72 | if (!found) \ |
| 73 | ptr = NULL; \ |
| 74 | ptr; \ |
| 75 | }) |
| 76 | |
| 77 | #define l2addr_hash_add(hash, mac, type, gfp) ({ \ |
| 78 | int ix = MLX5_L2_ADDR_HASH(mac); \ |
| 79 | type *ptr = NULL; \ |
| 80 | \ |
| 81 | ptr = kzalloc(sizeof(type), gfp); \ |
| 82 | if (ptr) { \ |
| 83 | ether_addr_copy(ptr->node.addr, mac); \ |
| 84 | hlist_add_head(&ptr->node.hlist, &hash[ix]);\ |
| 85 | } \ |
| 86 | ptr; \ |
| 87 | }) |
| 88 | |
| 89 | #define l2addr_hash_del(ptr) ({ \ |
| 90 | hlist_del(&ptr->node.hlist); \ |
| 91 | kfree(ptr); \ |
| 92 | }) |
| 93 | |
Mohamad Haj Yahia | 5742df0 | 2016-05-03 17:13:57 +0300 | [diff] [blame] | 94 | struct vport_ingress { |
| 95 | struct mlx5_flow_table *acl; |
| 96 | struct mlx5_flow_group *allow_untagged_spoofchk_grp; |
| 97 | struct mlx5_flow_group *allow_spoofchk_only_grp; |
| 98 | struct mlx5_flow_group *allow_untagged_only_grp; |
| 99 | struct mlx5_flow_group *drop_grp; |
Mohamad Haj Yahia | dfcb1ed | 2016-05-03 17:13:58 +0300 | [diff] [blame] | 100 | struct mlx5_flow_rule *allow_rule; |
| 101 | struct mlx5_flow_rule *drop_rule; |
Mohamad Haj Yahia | 5742df0 | 2016-05-03 17:13:57 +0300 | [diff] [blame] | 102 | }; |
| 103 | |
| 104 | struct vport_egress { |
| 105 | struct mlx5_flow_table *acl; |
| 106 | struct mlx5_flow_group *allowed_vlans_grp; |
| 107 | struct mlx5_flow_group *drop_grp; |
Mohamad Haj Yahia | dfcb1ed | 2016-05-03 17:13:58 +0300 | [diff] [blame] | 108 | struct mlx5_flow_rule *allowed_vlan; |
| 109 | struct mlx5_flow_rule *drop_rule; |
Mohamad Haj Yahia | 5742df0 | 2016-05-03 17:13:57 +0300 | [diff] [blame] | 110 | }; |
| 111 | |
Saeed Mahameed | 073bb18 | 2015-12-01 18:03:18 +0200 | [diff] [blame] | 112 | struct mlx5_vport { |
| 113 | struct mlx5_core_dev *dev; |
| 114 | int vport; |
| 115 | struct hlist_head uc_list[MLX5_L2_ADDR_HASH_SIZE]; |
Saeed Mahameed | 8184873 | 2015-12-01 18:03:20 +0200 | [diff] [blame] | 116 | struct hlist_head mc_list[MLX5_L2_ADDR_HASH_SIZE]; |
Mohamad Haj Yahia | a35f71f | 2016-05-03 17:14:03 +0300 | [diff] [blame] | 117 | struct mlx5_flow_rule *promisc_rule; |
| 118 | struct mlx5_flow_rule *allmulti_rule; |
Saeed Mahameed | 073bb18 | 2015-12-01 18:03:18 +0200 | [diff] [blame] | 119 | struct work_struct vport_change_handler; |
| 120 | |
Mohamad Haj Yahia | 5742df0 | 2016-05-03 17:13:57 +0300 | [diff] [blame] | 121 | struct vport_ingress ingress; |
| 122 | struct vport_egress egress; |
| 123 | |
Mohamad Haj Yahia | dfcb1ed | 2016-05-03 17:13:58 +0300 | [diff] [blame] | 124 | u16 vlan; |
| 125 | u8 qos; |
Mohamad Haj Yahia | f942380 | 2016-05-03 17:13:59 +0300 | [diff] [blame] | 126 | bool spoofchk; |
Mohamad Haj Yahia | a35f71f | 2016-05-03 17:14:03 +0300 | [diff] [blame] | 127 | bool trusted; |
Saeed Mahameed | 073bb18 | 2015-12-01 18:03:18 +0200 | [diff] [blame] | 128 | bool enabled; |
Saeed Mahameed | 8184873 | 2015-12-01 18:03:20 +0200 | [diff] [blame] | 129 | u16 enabled_events; |
Saeed Mahameed | 073bb18 | 2015-12-01 18:03:18 +0200 | [diff] [blame] | 130 | }; |
| 131 | |
| 132 | struct mlx5_l2_table { |
| 133 | struct hlist_head l2_hash[MLX5_L2_ADDR_HASH_SIZE]; |
| 134 | u32 size; |
| 135 | unsigned long *bitmap; |
| 136 | }; |
| 137 | |
Saeed Mahameed | 8184873 | 2015-12-01 18:03:20 +0200 | [diff] [blame] | 138 | struct mlx5_eswitch_fdb { |
| 139 | void *fdb; |
Or Gerlitz | 6ab36e3 | 2016-07-01 14:50:54 +0300 | [diff] [blame] | 140 | union { |
| 141 | struct legacy_fdb { |
| 142 | struct mlx5_flow_group *addr_grp; |
| 143 | struct mlx5_flow_group *allmulti_grp; |
| 144 | struct mlx5_flow_group *promisc_grp; |
| 145 | } legacy; |
Or Gerlitz | 69697b6 | 2016-07-01 14:50:55 +0300 | [diff] [blame] | 146 | |
| 147 | struct offloads_fdb { |
Or Gerlitz | 1033665 | 2016-07-14 10:32:40 +0300 | [diff] [blame] | 148 | struct mlx5_flow_table *fdb; |
Or Gerlitz | 69697b6 | 2016-07-01 14:50:55 +0300 | [diff] [blame] | 149 | struct mlx5_flow_group *send_to_vport_grp; |
| 150 | struct mlx5_flow_group *miss_grp; |
Or Gerlitz | 3aa3357 | 2016-07-01 14:50:56 +0300 | [diff] [blame] | 151 | struct mlx5_flow_rule *miss_rule; |
Or Gerlitz | 69697b6 | 2016-07-01 14:50:55 +0300 | [diff] [blame] | 152 | } offloads; |
Or Gerlitz | 6ab36e3 | 2016-07-01 14:50:54 +0300 | [diff] [blame] | 153 | }; |
| 154 | }; |
| 155 | |
| 156 | enum { |
| 157 | SRIOV_NONE, |
| 158 | SRIOV_LEGACY, |
| 159 | SRIOV_OFFLOADS |
Saeed Mahameed | 8184873 | 2015-12-01 18:03:20 +0200 | [diff] [blame] | 160 | }; |
| 161 | |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 162 | struct mlx5_esw_sq { |
| 163 | struct mlx5_flow_rule *send_to_vport_rule; |
| 164 | struct list_head list; |
| 165 | }; |
Hadar Hen Zion | 127ea38 | 2016-07-01 14:51:08 +0300 | [diff] [blame] | 166 | |
| 167 | struct mlx5_eswitch_rep { |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 168 | int (*load)(struct mlx5_eswitch *esw, |
| 169 | struct mlx5_eswitch_rep *rep); |
| 170 | void (*unload)(struct mlx5_eswitch *esw, |
| 171 | struct mlx5_eswitch_rep *rep); |
Hadar Hen Zion | 127ea38 | 2016-07-01 14:51:08 +0300 | [diff] [blame] | 172 | u16 vport; |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 173 | struct mlx5_flow_rule *vport_rx_rule; |
Hadar Hen Zion | 127ea38 | 2016-07-01 14:51:08 +0300 | [diff] [blame] | 174 | void *priv_data; |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 175 | struct list_head vport_sqs_list; |
Hadar Hen Zion | 127ea38 | 2016-07-01 14:51:08 +0300 | [diff] [blame] | 176 | bool valid; |
| 177 | }; |
| 178 | |
Or Gerlitz | c116c6e | 2016-07-01 14:50:59 +0300 | [diff] [blame] | 179 | struct mlx5_esw_offload { |
| 180 | struct mlx5_flow_table *ft_offloads; |
Or Gerlitz | fed9ce2 | 2016-07-01 14:51:00 +0300 | [diff] [blame] | 181 | struct mlx5_flow_group *vport_rx_group; |
Hadar Hen Zion | 127ea38 | 2016-07-01 14:51:08 +0300 | [diff] [blame] | 182 | struct mlx5_eswitch_rep *vport_reps; |
Or Gerlitz | c116c6e | 2016-07-01 14:50:59 +0300 | [diff] [blame] | 183 | }; |
| 184 | |
Saeed Mahameed | 073bb18 | 2015-12-01 18:03:18 +0200 | [diff] [blame] | 185 | struct mlx5_eswitch { |
| 186 | struct mlx5_core_dev *dev; |
| 187 | struct mlx5_l2_table l2_table; |
Saeed Mahameed | 8184873 | 2015-12-01 18:03:20 +0200 | [diff] [blame] | 188 | struct mlx5_eswitch_fdb fdb_table; |
| 189 | struct hlist_head mc_table[MLX5_L2_ADDR_HASH_SIZE]; |
Saeed Mahameed | 073bb18 | 2015-12-01 18:03:18 +0200 | [diff] [blame] | 190 | struct workqueue_struct *work_queue; |
| 191 | struct mlx5_vport *vports; |
| 192 | int total_vports; |
Saeed Mahameed | 8184873 | 2015-12-01 18:03:20 +0200 | [diff] [blame] | 193 | int enabled_vports; |
Mohamad Haj Yahia | dfcb1ed | 2016-05-03 17:13:58 +0300 | [diff] [blame] | 194 | /* Synchronize between vport change events |
| 195 | * and async SRIOV admin state changes |
| 196 | */ |
| 197 | struct mutex state_lock; |
Mohamad Haj Yahia | a35f71f | 2016-05-03 17:14:03 +0300 | [diff] [blame] | 198 | struct esw_mc_addr *mc_promisc; |
Or Gerlitz | c116c6e | 2016-07-01 14:50:59 +0300 | [diff] [blame] | 199 | struct mlx5_esw_offload offloads; |
Or Gerlitz | 6ab36e3 | 2016-07-01 14:50:54 +0300 | [diff] [blame] | 200 | int mode; |
Saeed Mahameed | 073bb18 | 2015-12-01 18:03:18 +0200 | [diff] [blame] | 201 | }; |
| 202 | |
| 203 | /* E-Switch API */ |
| 204 | int mlx5_eswitch_init(struct mlx5_core_dev *dev); |
| 205 | void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw); |
| 206 | void mlx5_eswitch_vport_event(struct mlx5_eswitch *esw, struct mlx5_eqe *eqe); |
Or Gerlitz | 6ab36e3 | 2016-07-01 14:50:54 +0300 | [diff] [blame] | 207 | int mlx5_eswitch_enable_sriov(struct mlx5_eswitch *esw, int nvfs, int mode); |
Saeed Mahameed | 8184873 | 2015-12-01 18:03:20 +0200 | [diff] [blame] | 208 | void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw); |
Saeed Mahameed | 7725657 | 2015-12-01 18:03:21 +0200 | [diff] [blame] | 209 | int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw, |
| 210 | int vport, u8 mac[ETH_ALEN]); |
| 211 | int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw, |
| 212 | int vport, int link_state); |
Saeed Mahameed | 9e7ea35 | 2015-12-01 18:03:23 +0200 | [diff] [blame] | 213 | int mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw, |
| 214 | int vport, u16 vlan, u8 qos); |
Mohamad Haj Yahia | f942380 | 2016-05-03 17:13:59 +0300 | [diff] [blame] | 215 | int mlx5_eswitch_set_vport_spoofchk(struct mlx5_eswitch *esw, |
| 216 | int vport, bool spoofchk); |
Mohamad Haj Yahia | 1edc57e | 2016-05-03 17:14:04 +0300 | [diff] [blame] | 217 | int mlx5_eswitch_set_vport_trust(struct mlx5_eswitch *esw, |
| 218 | int vport_num, bool setting); |
Saeed Mahameed | 7725657 | 2015-12-01 18:03:21 +0200 | [diff] [blame] | 219 | int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw, |
| 220 | int vport, struct ifla_vf_info *ivi); |
Saeed Mahameed | 3b751a2a | 2015-12-01 18:03:24 +0200 | [diff] [blame] | 221 | int mlx5_eswitch_get_vport_stats(struct mlx5_eswitch *esw, |
| 222 | int vport, |
| 223 | struct ifla_vf_stats *vf_stats); |
Saeed Mahameed | 073bb18 | 2015-12-01 18:03:18 +0200 | [diff] [blame] | 224 | |
Or Gerlitz | 3d80d1a | 2016-07-14 10:32:41 +0300 | [diff] [blame] | 225 | struct mlx5_flow_spec; |
| 226 | |
| 227 | struct mlx5_flow_rule * |
| 228 | mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw, |
| 229 | struct mlx5_flow_spec *spec, |
| 230 | u32 action, u32 src_vport, u32 dst_vport); |
Or Gerlitz | fed9ce2 | 2016-07-01 14:51:00 +0300 | [diff] [blame] | 231 | struct mlx5_flow_rule * |
| 232 | mlx5_eswitch_create_vport_rx_rule(struct mlx5_eswitch *esw, int vport, u32 tirn); |
| 233 | |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 234 | int mlx5_eswitch_sqs2vport_start(struct mlx5_eswitch *esw, |
| 235 | struct mlx5_eswitch_rep *rep, |
| 236 | u16 *sqns_array, int sqns_num); |
| 237 | void mlx5_eswitch_sqs2vport_stop(struct mlx5_eswitch *esw, |
| 238 | struct mlx5_eswitch_rep *rep); |
| 239 | |
Or Gerlitz | feae908 | 2016-07-01 14:51:02 +0300 | [diff] [blame] | 240 | int mlx5_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode); |
| 241 | int mlx5_devlink_eswitch_mode_get(struct devlink *devlink, u16 *mode); |
Hadar Hen Zion | 127ea38 | 2016-07-01 14:51:08 +0300 | [diff] [blame] | 242 | void mlx5_eswitch_register_vport_rep(struct mlx5_eswitch *esw, |
| 243 | struct mlx5_eswitch_rep *rep); |
| 244 | void mlx5_eswitch_unregister_vport_rep(struct mlx5_eswitch *esw, |
| 245 | int vport); |
Or Gerlitz | feae908 | 2016-07-01 14:51:02 +0300 | [diff] [blame] | 246 | |
Or Gerlitz | 69697b6 | 2016-07-01 14:50:55 +0300 | [diff] [blame] | 247 | #define MLX5_DEBUG_ESWITCH_MASK BIT(3) |
| 248 | |
| 249 | #define esw_info(dev, format, ...) \ |
| 250 | pr_info("(%s): E-Switch: " format, (dev)->priv.name, ##__VA_ARGS__) |
| 251 | |
| 252 | #define esw_warn(dev, format, ...) \ |
| 253 | pr_warn("(%s): E-Switch: " format, (dev)->priv.name, ##__VA_ARGS__) |
| 254 | |
| 255 | #define esw_debug(dev, format, ...) \ |
| 256 | mlx5_core_dbg_mask(dev, MLX5_DEBUG_ESWITCH_MASK, format, ##__VA_ARGS__) |
Saeed Mahameed | 073bb18 | 2015-12-01 18:03:18 +0200 | [diff] [blame] | 257 | #endif /* __MLX5_ESWITCH_H__ */ |