Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1 | /* bnx2x_dcb.c: Broadcom Everest network driver. |
| 2 | * |
Dmitry Kravkov | 5de9240 | 2011-05-04 23:51:13 +0000 | [diff] [blame] | 3 | * Copyright 2009-2011 Broadcom Corporation |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 4 | * |
| 5 | * Unless you and Broadcom execute a separate written software license |
| 6 | * agreement governing use of this software, this software is licensed to you |
| 7 | * under the terms of the GNU General Public License version 2, available |
| 8 | * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL"). |
| 9 | * |
| 10 | * Notwithstanding the above, under no circumstances may you combine this |
| 11 | * software in any way with any other Broadcom software provided under a |
| 12 | * license other than the GPL, without Broadcom's express prior written |
| 13 | * consent. |
| 14 | * |
| 15 | * Maintained by: Eilon Greenstein <eilong@broadcom.com> |
| 16 | * Written by: Dmitry Kravkov |
| 17 | * |
| 18 | */ |
Joe Perches | f1deab5 | 2011-08-14 12:16:21 +0000 | [diff] [blame] | 19 | |
| 20 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| 21 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 22 | #include <linux/netdevice.h> |
| 23 | #include <linux/types.h> |
| 24 | #include <linux/errno.h> |
Dmitry Kravkov | 09b775e | 2011-07-24 04:09:43 +0000 | [diff] [blame] | 25 | #include <linux/rtnetlink.h> |
| 26 | #include <net/dcbnl.h> |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 27 | |
| 28 | #include "bnx2x.h" |
| 29 | #include "bnx2x_cmn.h" |
| 30 | #include "bnx2x_dcb.h" |
| 31 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 32 | /* forward declarations of dcbx related functions */ |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 33 | static int bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 34 | static void bnx2x_pfc_set_pfc(struct bnx2x *bp); |
| 35 | static void bnx2x_dcbx_update_ets_params(struct bnx2x *bp); |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 36 | static int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 37 | static void bnx2x_dcbx_get_ets_pri_pg_tbl(struct bnx2x *bp, |
| 38 | u32 *set_configuration_ets_pg, |
| 39 | u32 *pri_pg_tbl); |
| 40 | static void bnx2x_dcbx_get_num_pg_traf_type(struct bnx2x *bp, |
| 41 | u32 *pg_pri_orginal_spread, |
| 42 | struct pg_help_data *help_data); |
| 43 | static void bnx2x_dcbx_fill_cos_params(struct bnx2x *bp, |
| 44 | struct pg_help_data *help_data, |
| 45 | struct dcbx_ets_feature *ets, |
| 46 | u32 *pg_pri_orginal_spread); |
| 47 | static void bnx2x_dcbx_separate_pauseable_from_non(struct bnx2x *bp, |
| 48 | struct cos_help_data *cos_data, |
| 49 | u32 *pg_pri_orginal_spread, |
| 50 | struct dcbx_ets_feature *ets); |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 51 | static void bnx2x_dcbx_fw_struct(struct bnx2x *bp, |
| 52 | struct bnx2x_func_tx_start_params*); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 53 | |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 54 | /* helpers: read/write len bytes from addr into buff by REG_RD/REG_WR */ |
| 55 | static void bnx2x_read_data(struct bnx2x *bp, u32 *buff, |
| 56 | u32 addr, u32 len) |
| 57 | { |
| 58 | int i; |
| 59 | for (i = 0; i < len; i += 4, buff++) |
| 60 | *buff = REG_RD(bp, addr + i); |
| 61 | } |
| 62 | |
| 63 | static void bnx2x_write_data(struct bnx2x *bp, u32 *buff, |
| 64 | u32 addr, u32 len) |
| 65 | { |
| 66 | int i; |
| 67 | for (i = 0; i < len; i += 4, buff++) |
| 68 | REG_WR(bp, addr + i, *buff); |
| 69 | } |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 70 | |
| 71 | static void bnx2x_pfc_set(struct bnx2x *bp) |
| 72 | { |
| 73 | struct bnx2x_nig_brb_pfc_port_params pfc_params = {0}; |
| 74 | u32 pri_bit, val = 0; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 75 | int i; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 76 | |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 77 | pfc_params.num_of_rx_cos_priority_mask = |
| 78 | bp->dcbx_port_params.ets.num_of_cos; |
| 79 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 80 | /* Tx COS configuration */ |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 81 | for (i = 0; i < bp->dcbx_port_params.ets.num_of_cos; i++) |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 82 | /* |
| 83 | * We configure only the pauseable bits (non pauseable aren't |
| 84 | * configured at all) it's done to avoid false pauses from |
| 85 | * network |
| 86 | */ |
| 87 | pfc_params.rx_cos_priority_mask[i] = |
| 88 | bp->dcbx_port_params.ets.cos_params[i].pri_bitmask |
| 89 | & DCBX_PFC_PRI_PAUSE_MASK(bp); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 90 | |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 91 | /* |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 92 | * Rx COS configuration |
| 93 | * Changing PFC RX configuration . |
| 94 | * In RX COS0 will always be configured to lossy and COS1 to lossless |
| 95 | */ |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 96 | for (i = 0 ; i < MAX_PFC_PRIORITIES ; i++) { |
| 97 | pri_bit = 1 << i; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 98 | |
| 99 | if (pri_bit & DCBX_PFC_PRI_PAUSE_MASK(bp)) |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 100 | val |= 1 << (i * 4); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 101 | } |
| 102 | |
| 103 | pfc_params.pkt_priority_to_cos = val; |
| 104 | |
| 105 | /* RX COS0 */ |
| 106 | pfc_params.llfc_low_priority_classes = 0; |
| 107 | /* RX COS1 */ |
| 108 | pfc_params.llfc_high_priority_classes = DCBX_PFC_PRI_PAUSE_MASK(bp); |
| 109 | |
| 110 | /* BRB configuration */ |
| 111 | pfc_params.cos0_pauseable = false; |
| 112 | pfc_params.cos1_pauseable = true; |
| 113 | |
| 114 | bnx2x_acquire_phy_lock(bp); |
| 115 | bp->link_params.feature_config_flags |= FEATURE_CONFIG_PFC_ENABLED; |
| 116 | bnx2x_update_pfc(&bp->link_params, &bp->link_vars, &pfc_params); |
| 117 | bnx2x_release_phy_lock(bp); |
| 118 | } |
| 119 | |
| 120 | static void bnx2x_pfc_clear(struct bnx2x *bp) |
| 121 | { |
| 122 | struct bnx2x_nig_brb_pfc_port_params nig_params = {0}; |
| 123 | nig_params.pause_enable = 1; |
| 124 | #ifdef BNX2X_SAFC |
| 125 | if (bp->flags & SAFC_TX_FLAG) { |
| 126 | u32 high = 0, low = 0; |
| 127 | int i; |
| 128 | |
| 129 | for (i = 0; i < BNX2X_MAX_PRIORITY; i++) { |
| 130 | if (bp->pri_map[i] == 1) |
| 131 | high |= (1 << i); |
| 132 | if (bp->pri_map[i] == 0) |
| 133 | low |= (1 << i); |
| 134 | } |
| 135 | |
| 136 | nig_params.llfc_low_priority_classes = high; |
| 137 | nig_params.llfc_low_priority_classes = low; |
| 138 | |
| 139 | nig_params.pause_enable = 0; |
| 140 | nig_params.llfc_enable = 1; |
| 141 | nig_params.llfc_out_en = 1; |
| 142 | } |
| 143 | #endif /* BNX2X_SAFC */ |
| 144 | bnx2x_acquire_phy_lock(bp); |
| 145 | bp->link_params.feature_config_flags &= ~FEATURE_CONFIG_PFC_ENABLED; |
| 146 | bnx2x_update_pfc(&bp->link_params, &bp->link_vars, &nig_params); |
| 147 | bnx2x_release_phy_lock(bp); |
| 148 | } |
| 149 | |
| 150 | static void bnx2x_dump_dcbx_drv_param(struct bnx2x *bp, |
| 151 | struct dcbx_features *features, |
| 152 | u32 error) |
| 153 | { |
| 154 | u8 i = 0; |
| 155 | DP(NETIF_MSG_LINK, "local_mib.error %x\n", error); |
| 156 | |
| 157 | /* PG */ |
| 158 | DP(NETIF_MSG_LINK, |
| 159 | "local_mib.features.ets.enabled %x\n", features->ets.enabled); |
| 160 | for (i = 0; i < DCBX_MAX_NUM_PG_BW_ENTRIES; i++) |
| 161 | DP(NETIF_MSG_LINK, |
| 162 | "local_mib.features.ets.pg_bw_tbl[%d] %d\n", i, |
| 163 | DCBX_PG_BW_GET(features->ets.pg_bw_tbl, i)); |
| 164 | for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++) |
| 165 | DP(NETIF_MSG_LINK, |
| 166 | "local_mib.features.ets.pri_pg_tbl[%d] %d\n", i, |
| 167 | DCBX_PRI_PG_GET(features->ets.pri_pg_tbl, i)); |
| 168 | |
| 169 | /* pfc */ |
| 170 | DP(NETIF_MSG_LINK, "dcbx_features.pfc.pri_en_bitmap %x\n", |
| 171 | features->pfc.pri_en_bitmap); |
| 172 | DP(NETIF_MSG_LINK, "dcbx_features.pfc.pfc_caps %x\n", |
| 173 | features->pfc.pfc_caps); |
| 174 | DP(NETIF_MSG_LINK, "dcbx_features.pfc.enabled %x\n", |
| 175 | features->pfc.enabled); |
| 176 | |
| 177 | DP(NETIF_MSG_LINK, "dcbx_features.app.default_pri %x\n", |
| 178 | features->app.default_pri); |
| 179 | DP(NETIF_MSG_LINK, "dcbx_features.app.tc_supported %x\n", |
| 180 | features->app.tc_supported); |
| 181 | DP(NETIF_MSG_LINK, "dcbx_features.app.enabled %x\n", |
| 182 | features->app.enabled); |
| 183 | for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) { |
| 184 | DP(NETIF_MSG_LINK, |
| 185 | "dcbx_features.app.app_pri_tbl[%x].app_id %x\n", |
| 186 | i, features->app.app_pri_tbl[i].app_id); |
| 187 | DP(NETIF_MSG_LINK, |
| 188 | "dcbx_features.app.app_pri_tbl[%x].pri_bitmap %x\n", |
| 189 | i, features->app.app_pri_tbl[i].pri_bitmap); |
| 190 | DP(NETIF_MSG_LINK, |
| 191 | "dcbx_features.app.app_pri_tbl[%x].appBitfield %x\n", |
| 192 | i, features->app.app_pri_tbl[i].appBitfield); |
| 193 | } |
| 194 | } |
| 195 | |
| 196 | static void bnx2x_dcbx_get_ap_priority(struct bnx2x *bp, |
| 197 | u8 pri_bitmap, |
| 198 | u8 llfc_traf_type) |
| 199 | { |
| 200 | u32 pri = MAX_PFC_PRIORITIES; |
| 201 | u32 index = MAX_PFC_PRIORITIES - 1; |
| 202 | u32 pri_mask; |
| 203 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; |
| 204 | |
| 205 | /* Choose the highest priority */ |
| 206 | while ((MAX_PFC_PRIORITIES == pri) && (0 != index)) { |
| 207 | pri_mask = 1 << index; |
| 208 | if (GET_FLAGS(pri_bitmap, pri_mask)) |
| 209 | pri = index ; |
| 210 | index--; |
| 211 | } |
| 212 | |
| 213 | if (pri < MAX_PFC_PRIORITIES) |
| 214 | ttp[llfc_traf_type] = max_t(u32, ttp[llfc_traf_type], pri); |
| 215 | } |
| 216 | |
| 217 | static void bnx2x_dcbx_get_ap_feature(struct bnx2x *bp, |
| 218 | struct dcbx_app_priority_feature *app, |
| 219 | u32 error) { |
| 220 | u8 index; |
| 221 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; |
| 222 | |
| 223 | if (GET_FLAGS(error, DCBX_LOCAL_APP_ERROR)) |
| 224 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_APP_ERROR\n"); |
| 225 | |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 226 | if (GET_FLAGS(error, DCBX_LOCAL_APP_MISMATCH)) |
| 227 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_APP_MISMATCH\n"); |
| 228 | |
| 229 | if (app->enabled && |
| 230 | !GET_FLAGS(error, DCBX_LOCAL_APP_ERROR | DCBX_LOCAL_APP_MISMATCH)) { |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 231 | |
| 232 | bp->dcbx_port_params.app.enabled = true; |
| 233 | |
| 234 | for (index = 0 ; index < LLFC_DRIVER_TRAFFIC_TYPE_MAX; index++) |
| 235 | ttp[index] = 0; |
| 236 | |
| 237 | if (app->default_pri < MAX_PFC_PRIORITIES) |
| 238 | ttp[LLFC_TRAFFIC_TYPE_NW] = app->default_pri; |
| 239 | |
| 240 | for (index = 0 ; index < DCBX_MAX_APP_PROTOCOL; index++) { |
| 241 | struct dcbx_app_priority_entry *entry = |
| 242 | app->app_pri_tbl; |
| 243 | |
| 244 | if (GET_FLAGS(entry[index].appBitfield, |
| 245 | DCBX_APP_SF_ETH_TYPE) && |
| 246 | ETH_TYPE_FCOE == entry[index].app_id) |
| 247 | bnx2x_dcbx_get_ap_priority(bp, |
| 248 | entry[index].pri_bitmap, |
| 249 | LLFC_TRAFFIC_TYPE_FCOE); |
| 250 | |
| 251 | if (GET_FLAGS(entry[index].appBitfield, |
| 252 | DCBX_APP_SF_PORT) && |
| 253 | TCP_PORT_ISCSI == entry[index].app_id) |
| 254 | bnx2x_dcbx_get_ap_priority(bp, |
| 255 | entry[index].pri_bitmap, |
| 256 | LLFC_TRAFFIC_TYPE_ISCSI); |
| 257 | } |
| 258 | } else { |
| 259 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_APP_DISABLED\n"); |
| 260 | bp->dcbx_port_params.app.enabled = false; |
| 261 | for (index = 0 ; index < LLFC_DRIVER_TRAFFIC_TYPE_MAX; index++) |
| 262 | ttp[index] = INVALID_TRAFFIC_TYPE_PRIORITY; |
| 263 | } |
| 264 | } |
| 265 | |
| 266 | static void bnx2x_dcbx_get_ets_feature(struct bnx2x *bp, |
| 267 | struct dcbx_ets_feature *ets, |
| 268 | u32 error) { |
| 269 | int i = 0; |
| 270 | u32 pg_pri_orginal_spread[DCBX_MAX_NUM_PG_BW_ENTRIES] = {0}; |
| 271 | struct pg_help_data pg_help_data; |
| 272 | struct bnx2x_dcbx_cos_params *cos_params = |
| 273 | bp->dcbx_port_params.ets.cos_params; |
| 274 | |
| 275 | memset(&pg_help_data, 0, sizeof(struct pg_help_data)); |
| 276 | |
| 277 | |
| 278 | if (GET_FLAGS(error, DCBX_LOCAL_ETS_ERROR)) |
| 279 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_ETS_ERROR\n"); |
| 280 | |
| 281 | |
| 282 | /* Clean up old settings of ets on COS */ |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 283 | for (i = 0; i < ARRAY_SIZE(bp->dcbx_port_params.ets.cos_params) ; i++) { |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 284 | cos_params[i].pauseable = false; |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 285 | cos_params[i].strict = BNX2X_DCBX_STRICT_INVALID; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 286 | cos_params[i].bw_tbl = DCBX_INVALID_COS_BW; |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 287 | cos_params[i].pri_bitmask = 0; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 288 | } |
| 289 | |
| 290 | if (bp->dcbx_port_params.app.enabled && |
| 291 | !GET_FLAGS(error, DCBX_LOCAL_ETS_ERROR) && |
| 292 | ets->enabled) { |
| 293 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_ETS_ENABLE\n"); |
| 294 | bp->dcbx_port_params.ets.enabled = true; |
| 295 | |
| 296 | bnx2x_dcbx_get_ets_pri_pg_tbl(bp, |
| 297 | pg_pri_orginal_spread, |
| 298 | ets->pri_pg_tbl); |
| 299 | |
| 300 | bnx2x_dcbx_get_num_pg_traf_type(bp, |
| 301 | pg_pri_orginal_spread, |
| 302 | &pg_help_data); |
| 303 | |
| 304 | bnx2x_dcbx_fill_cos_params(bp, &pg_help_data, |
| 305 | ets, pg_pri_orginal_spread); |
| 306 | |
| 307 | } else { |
| 308 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_ETS_DISABLED\n"); |
| 309 | bp->dcbx_port_params.ets.enabled = false; |
| 310 | ets->pri_pg_tbl[0] = 0; |
| 311 | |
| 312 | for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES ; i++) |
| 313 | DCBX_PG_BW_SET(ets->pg_bw_tbl, i, 1); |
| 314 | } |
| 315 | } |
| 316 | |
| 317 | static void bnx2x_dcbx_get_pfc_feature(struct bnx2x *bp, |
| 318 | struct dcbx_pfc_feature *pfc, u32 error) |
| 319 | { |
| 320 | |
| 321 | if (GET_FLAGS(error, DCBX_LOCAL_PFC_ERROR)) |
| 322 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_PFC_ERROR\n"); |
| 323 | |
| 324 | if (bp->dcbx_port_params.app.enabled && |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 325 | !GET_FLAGS(error, DCBX_LOCAL_PFC_ERROR | DCBX_LOCAL_PFC_MISMATCH) && |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 326 | pfc->enabled) { |
| 327 | bp->dcbx_port_params.pfc.enabled = true; |
| 328 | bp->dcbx_port_params.pfc.priority_non_pauseable_mask = |
| 329 | ~(pfc->pri_en_bitmap); |
| 330 | } else { |
| 331 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_PFC_DISABLED\n"); |
| 332 | bp->dcbx_port_params.pfc.enabled = false; |
| 333 | bp->dcbx_port_params.pfc.priority_non_pauseable_mask = 0; |
| 334 | } |
| 335 | } |
| 336 | |
Dmitry Kravkov | 09b775e | 2011-07-24 04:09:43 +0000 | [diff] [blame] | 337 | /* maps unmapped priorities to to the same COS as L2 */ |
| 338 | static void bnx2x_dcbx_map_nw(struct bnx2x *bp) |
| 339 | { |
| 340 | int i; |
| 341 | u32 unmapped = (1 << MAX_PFC_PRIORITIES) - 1; /* all ones */ |
| 342 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; |
| 343 | u32 nw_prio = 1 << ttp[LLFC_TRAFFIC_TYPE_NW]; |
| 344 | struct bnx2x_dcbx_cos_params *cos_params = |
| 345 | bp->dcbx_port_params.ets.cos_params; |
| 346 | |
| 347 | /* get unmapped priorities by clearing mapped bits */ |
| 348 | for (i = 0; i < LLFC_DRIVER_TRAFFIC_TYPE_MAX; i++) |
| 349 | unmapped &= ~(1 << ttp[i]); |
| 350 | |
| 351 | /* find cos for nw prio and extend it with unmapped */ |
| 352 | for (i = 0; i < ARRAY_SIZE(bp->dcbx_port_params.ets.cos_params); i++) { |
| 353 | if (cos_params[i].pri_bitmask & nw_prio) { |
| 354 | /* extend the bitmask with unmapped */ |
| 355 | DP(NETIF_MSG_LINK, |
Joe Perches | 94f05b0 | 2011-08-14 12:16:20 +0000 | [diff] [blame] | 356 | "cos %d extended with 0x%08x\n", i, unmapped); |
Dmitry Kravkov | 09b775e | 2011-07-24 04:09:43 +0000 | [diff] [blame] | 357 | cos_params[i].pri_bitmask |= unmapped; |
| 358 | break; |
| 359 | } |
| 360 | } |
| 361 | } |
| 362 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 363 | static void bnx2x_get_dcbx_drv_param(struct bnx2x *bp, |
| 364 | struct dcbx_features *features, |
| 365 | u32 error) |
| 366 | { |
| 367 | bnx2x_dcbx_get_ap_feature(bp, &features->app, error); |
| 368 | |
| 369 | bnx2x_dcbx_get_pfc_feature(bp, &features->pfc, error); |
| 370 | |
| 371 | bnx2x_dcbx_get_ets_feature(bp, &features->ets, error); |
Dmitry Kravkov | 09b775e | 2011-07-24 04:09:43 +0000 | [diff] [blame] | 372 | |
| 373 | bnx2x_dcbx_map_nw(bp); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 374 | } |
| 375 | |
| 376 | #define DCBX_LOCAL_MIB_MAX_TRY_READ (100) |
| 377 | static int bnx2x_dcbx_read_mib(struct bnx2x *bp, |
| 378 | u32 *base_mib_addr, |
| 379 | u32 offset, |
| 380 | int read_mib_type) |
| 381 | { |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 382 | int max_try_read = 0; |
| 383 | u32 mib_size, prefix_seq_num, suffix_seq_num; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 384 | struct lldp_remote_mib *remote_mib ; |
| 385 | struct lldp_local_mib *local_mib; |
| 386 | |
| 387 | |
| 388 | switch (read_mib_type) { |
| 389 | case DCBX_READ_LOCAL_MIB: |
| 390 | mib_size = sizeof(struct lldp_local_mib); |
| 391 | break; |
| 392 | case DCBX_READ_REMOTE_MIB: |
| 393 | mib_size = sizeof(struct lldp_remote_mib); |
| 394 | break; |
| 395 | default: |
| 396 | return 1; /*error*/ |
| 397 | } |
| 398 | |
| 399 | offset += BP_PORT(bp) * mib_size; |
| 400 | |
| 401 | do { |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 402 | bnx2x_read_data(bp, base_mib_addr, offset, mib_size); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 403 | |
| 404 | max_try_read++; |
| 405 | |
| 406 | switch (read_mib_type) { |
| 407 | case DCBX_READ_LOCAL_MIB: |
| 408 | local_mib = (struct lldp_local_mib *) base_mib_addr; |
| 409 | prefix_seq_num = local_mib->prefix_seq_num; |
| 410 | suffix_seq_num = local_mib->suffix_seq_num; |
| 411 | break; |
| 412 | case DCBX_READ_REMOTE_MIB: |
| 413 | remote_mib = (struct lldp_remote_mib *) base_mib_addr; |
| 414 | prefix_seq_num = remote_mib->prefix_seq_num; |
| 415 | suffix_seq_num = remote_mib->suffix_seq_num; |
| 416 | break; |
| 417 | default: |
| 418 | return 1; /*error*/ |
| 419 | } |
| 420 | } while ((prefix_seq_num != suffix_seq_num) && |
| 421 | (max_try_read < DCBX_LOCAL_MIB_MAX_TRY_READ)); |
| 422 | |
| 423 | if (max_try_read >= DCBX_LOCAL_MIB_MAX_TRY_READ) { |
| 424 | BNX2X_ERR("MIB could not be read\n"); |
| 425 | return 1; |
| 426 | } |
| 427 | |
| 428 | return 0; |
| 429 | } |
| 430 | |
| 431 | static void bnx2x_pfc_set_pfc(struct bnx2x *bp) |
| 432 | { |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 433 | if (bp->dcbx_port_params.pfc.enabled && |
| 434 | !(bp->dcbx_error & DCBX_REMOTE_MIB_ERROR)) |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 435 | /* |
| 436 | * 1. Fills up common PFC structures if required |
| 437 | * 2. Configure NIG, MAC and BRB via the elink |
| 438 | */ |
| 439 | bnx2x_pfc_set(bp); |
| 440 | else |
| 441 | bnx2x_pfc_clear(bp); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 442 | } |
| 443 | |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 444 | static int bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp) |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 445 | { |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 446 | struct bnx2x_func_state_params func_params = {0}; |
| 447 | |
| 448 | func_params.f_obj = &bp->func_obj; |
| 449 | func_params.cmd = BNX2X_F_CMD_TX_STOP; |
| 450 | |
| 451 | DP(NETIF_MSG_LINK, "STOP TRAFFIC\n"); |
| 452 | return bnx2x_func_state_change(bp, &func_params); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 453 | } |
| 454 | |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 455 | static int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp) |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 456 | { |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 457 | struct bnx2x_func_state_params func_params = {0}; |
| 458 | struct bnx2x_func_tx_start_params *tx_params = |
| 459 | &func_params.params.tx_start; |
| 460 | |
| 461 | func_params.f_obj = &bp->func_obj; |
| 462 | func_params.cmd = BNX2X_F_CMD_TX_START; |
| 463 | |
| 464 | bnx2x_dcbx_fw_struct(bp, tx_params); |
| 465 | |
| 466 | DP(NETIF_MSG_LINK, "START TRAFFIC\n"); |
| 467 | return bnx2x_func_state_change(bp, &func_params); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 468 | } |
| 469 | |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 470 | static void bnx2x_dcbx_2cos_limit_update_ets_config(struct bnx2x *bp) |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 471 | { |
| 472 | struct bnx2x_dcbx_pg_params *ets = &(bp->dcbx_port_params.ets); |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 473 | int rc = 0; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 474 | |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 475 | if (ets->num_of_cos == 0 || ets->num_of_cos > DCBX_COS_MAX_NUM_E2) { |
| 476 | BNX2X_ERR("Illegal number of COSes %d\n", ets->num_of_cos); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 477 | return; |
| 478 | } |
| 479 | |
| 480 | /* valid COS entries */ |
| 481 | if (ets->num_of_cos == 1) /* no ETS */ |
| 482 | return; |
| 483 | |
| 484 | /* sanity */ |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 485 | if (((BNX2X_DCBX_STRICT_INVALID == ets->cos_params[0].strict) && |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 486 | (DCBX_INVALID_COS_BW == ets->cos_params[0].bw_tbl)) || |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 487 | ((BNX2X_DCBX_STRICT_INVALID == ets->cos_params[1].strict) && |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 488 | (DCBX_INVALID_COS_BW == ets->cos_params[1].bw_tbl))) { |
| 489 | BNX2X_ERR("all COS should have at least bw_limit or strict" |
| 490 | "ets->cos_params[0].strict= %x" |
| 491 | "ets->cos_params[0].bw_tbl= %x" |
| 492 | "ets->cos_params[1].strict= %x" |
| 493 | "ets->cos_params[1].bw_tbl= %x", |
| 494 | ets->cos_params[0].strict, |
| 495 | ets->cos_params[0].bw_tbl, |
| 496 | ets->cos_params[1].strict, |
| 497 | ets->cos_params[1].bw_tbl); |
| 498 | return; |
| 499 | } |
| 500 | /* If we join a group and there is bw_tbl and strict then bw rules */ |
| 501 | if ((DCBX_INVALID_COS_BW != ets->cos_params[0].bw_tbl) && |
| 502 | (DCBX_INVALID_COS_BW != ets->cos_params[1].bw_tbl)) { |
| 503 | u32 bw_tbl_0 = ets->cos_params[0].bw_tbl; |
| 504 | u32 bw_tbl_1 = ets->cos_params[1].bw_tbl; |
| 505 | /* Do not allow 0-100 configuration |
| 506 | * since PBF does not support it |
| 507 | * force 1-99 instead |
| 508 | */ |
| 509 | if (bw_tbl_0 == 0) { |
| 510 | bw_tbl_0 = 1; |
| 511 | bw_tbl_1 = 99; |
| 512 | } else if (bw_tbl_1 == 0) { |
| 513 | bw_tbl_1 = 1; |
| 514 | bw_tbl_0 = 99; |
| 515 | } |
| 516 | |
| 517 | bnx2x_ets_bw_limit(&bp->link_params, bw_tbl_0, bw_tbl_1); |
| 518 | } else { |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 519 | if (ets->cos_params[0].strict == BNX2X_DCBX_STRICT_COS_HIGHEST) |
| 520 | rc = bnx2x_ets_strict(&bp->link_params, 0); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 521 | else if (ets->cos_params[1].strict |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 522 | == BNX2X_DCBX_STRICT_COS_HIGHEST) |
| 523 | rc = bnx2x_ets_strict(&bp->link_params, 1); |
| 524 | if (rc) |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 525 | BNX2X_ERR("update_ets_params failed\n"); |
| 526 | } |
| 527 | } |
| 528 | |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 529 | /* |
| 530 | * In E3B0 the configuration may have more than 2 COS. |
| 531 | */ |
| 532 | void bnx2x_dcbx_update_ets_config(struct bnx2x *bp) |
| 533 | { |
| 534 | struct bnx2x_dcbx_pg_params *ets = &(bp->dcbx_port_params.ets); |
| 535 | struct bnx2x_ets_params ets_params = { 0 }; |
| 536 | u8 i; |
| 537 | |
| 538 | ets_params.num_of_cos = ets->num_of_cos; |
| 539 | |
| 540 | for (i = 0; i < ets->num_of_cos; i++) { |
| 541 | /* COS is SP */ |
| 542 | if (ets->cos_params[i].strict != BNX2X_DCBX_STRICT_INVALID) { |
| 543 | if (ets->cos_params[i].bw_tbl != DCBX_INVALID_COS_BW) { |
| 544 | BNX2X_ERR("COS can't be not BW and not SP\n"); |
| 545 | return; |
| 546 | } |
| 547 | |
| 548 | ets_params.cos[i].state = bnx2x_cos_state_strict; |
| 549 | ets_params.cos[i].params.sp_params.pri = |
| 550 | ets->cos_params[i].strict; |
| 551 | } else { /* COS is BW */ |
| 552 | if (ets->cos_params[i].bw_tbl == DCBX_INVALID_COS_BW) { |
| 553 | BNX2X_ERR("COS can't be not BW and not SP\n"); |
| 554 | return; |
| 555 | } |
| 556 | ets_params.cos[i].state = bnx2x_cos_state_bw; |
| 557 | ets_params.cos[i].params.bw_params.bw = |
| 558 | (u8)ets->cos_params[i].bw_tbl; |
| 559 | } |
| 560 | } |
| 561 | |
| 562 | /* Configure the ETS in HW */ |
| 563 | if (bnx2x_ets_e3b0_config(&bp->link_params, &bp->link_vars, |
| 564 | &ets_params)) { |
| 565 | BNX2X_ERR("bnx2x_ets_e3b0_config failed\n"); |
| 566 | bnx2x_ets_disabled(&bp->link_params, &bp->link_vars); |
| 567 | } |
| 568 | } |
| 569 | |
| 570 | static void bnx2x_dcbx_update_ets_params(struct bnx2x *bp) |
| 571 | { |
| 572 | bnx2x_ets_disabled(&bp->link_params, &bp->link_vars); |
| 573 | |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 574 | if (!bp->dcbx_port_params.ets.enabled || |
| 575 | (bp->dcbx_error & DCBX_REMOTE_MIB_ERROR)) |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 576 | return; |
| 577 | |
| 578 | if (CHIP_IS_E3B0(bp)) |
| 579 | bnx2x_dcbx_update_ets_config(bp); |
| 580 | else |
| 581 | bnx2x_dcbx_2cos_limit_update_ets_config(bp); |
| 582 | } |
| 583 | |
Shmulik Ravid | 0be6bc6 | 2011-05-18 02:55:31 +0000 | [diff] [blame] | 584 | #ifdef BCM_DCBNL |
| 585 | static int bnx2x_dcbx_read_shmem_remote_mib(struct bnx2x *bp) |
| 586 | { |
| 587 | struct lldp_remote_mib remote_mib = {0}; |
| 588 | u32 dcbx_remote_mib_offset = SHMEM2_RD(bp, dcbx_remote_mib_offset); |
| 589 | int rc; |
| 590 | |
| 591 | DP(NETIF_MSG_LINK, "dcbx_remote_mib_offset 0x%x\n", |
| 592 | dcbx_remote_mib_offset); |
| 593 | |
| 594 | if (SHMEM_DCBX_REMOTE_MIB_NONE == dcbx_remote_mib_offset) { |
| 595 | BNX2X_ERR("FW doesn't support dcbx_remote_mib_offset\n"); |
| 596 | return -EINVAL; |
| 597 | } |
| 598 | |
| 599 | rc = bnx2x_dcbx_read_mib(bp, (u32 *)&remote_mib, dcbx_remote_mib_offset, |
| 600 | DCBX_READ_REMOTE_MIB); |
| 601 | |
| 602 | if (rc) { |
| 603 | BNX2X_ERR("Faild to read remote mib from FW\n"); |
| 604 | return rc; |
| 605 | } |
| 606 | |
| 607 | /* save features and flags */ |
| 608 | bp->dcbx_remote_feat = remote_mib.features; |
| 609 | bp->dcbx_remote_flags = remote_mib.flags; |
| 610 | return 0; |
| 611 | } |
| 612 | #endif |
| 613 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 614 | static int bnx2x_dcbx_read_shmem_neg_results(struct bnx2x *bp) |
| 615 | { |
| 616 | struct lldp_local_mib local_mib = {0}; |
| 617 | u32 dcbx_neg_res_offset = SHMEM2_RD(bp, dcbx_neg_res_offset); |
| 618 | int rc; |
| 619 | |
| 620 | DP(NETIF_MSG_LINK, "dcbx_neg_res_offset 0x%x\n", dcbx_neg_res_offset); |
| 621 | |
| 622 | if (SHMEM_DCBX_NEG_RES_NONE == dcbx_neg_res_offset) { |
| 623 | BNX2X_ERR("FW doesn't support dcbx_neg_res_offset\n"); |
| 624 | return -EINVAL; |
| 625 | } |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 626 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 627 | rc = bnx2x_dcbx_read_mib(bp, (u32 *)&local_mib, dcbx_neg_res_offset, |
| 628 | DCBX_READ_LOCAL_MIB); |
| 629 | |
| 630 | if (rc) { |
| 631 | BNX2X_ERR("Faild to read local mib from FW\n"); |
| 632 | return rc; |
| 633 | } |
| 634 | |
| 635 | /* save features and error */ |
| 636 | bp->dcbx_local_feat = local_mib.features; |
| 637 | bp->dcbx_error = local_mib.error; |
| 638 | return 0; |
| 639 | } |
| 640 | |
Shmulik Ravid | 9850767 | 2011-02-28 12:19:55 -0800 | [diff] [blame] | 641 | |
| 642 | #ifdef BCM_DCBNL |
| 643 | static inline |
| 644 | u8 bnx2x_dcbx_dcbnl_app_up(struct dcbx_app_priority_entry *ent) |
| 645 | { |
| 646 | u8 pri; |
| 647 | |
| 648 | /* Choose the highest priority */ |
| 649 | for (pri = MAX_PFC_PRIORITIES - 1; pri > 0; pri--) |
| 650 | if (ent->pri_bitmap & (1 << pri)) |
| 651 | break; |
| 652 | return pri; |
| 653 | } |
| 654 | |
| 655 | static inline |
| 656 | u8 bnx2x_dcbx_dcbnl_app_idtype(struct dcbx_app_priority_entry *ent) |
| 657 | { |
| 658 | return ((ent->appBitfield & DCBX_APP_ENTRY_SF_MASK) == |
| 659 | DCBX_APP_SF_PORT) ? DCB_APP_IDTYPE_PORTNUM : |
| 660 | DCB_APP_IDTYPE_ETHTYPE; |
| 661 | } |
| 662 | |
Shmulik Ravid | 9850767 | 2011-02-28 12:19:55 -0800 | [diff] [blame] | 663 | int bnx2x_dcbnl_update_applist(struct bnx2x *bp, bool delall) |
| 664 | { |
| 665 | int i, err = 0; |
| 666 | |
| 667 | for (i = 0; i < DCBX_MAX_APP_PROTOCOL && err == 0; i++) { |
| 668 | struct dcbx_app_priority_entry *ent = |
| 669 | &bp->dcbx_local_feat.app.app_pri_tbl[i]; |
| 670 | |
| 671 | if (ent->appBitfield & DCBX_APP_ENTRY_VALID) { |
| 672 | u8 up = bnx2x_dcbx_dcbnl_app_up(ent); |
| 673 | |
| 674 | /* avoid invalid user-priority */ |
| 675 | if (up) { |
| 676 | struct dcb_app app; |
| 677 | app.selector = bnx2x_dcbx_dcbnl_app_idtype(ent); |
| 678 | app.protocol = ent->app_id; |
| 679 | app.priority = delall ? 0 : up; |
| 680 | err = dcb_setapp(bp->dev, &app); |
| 681 | } |
| 682 | } |
| 683 | } |
| 684 | return err; |
| 685 | } |
| 686 | #endif |
| 687 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 688 | static inline void bnx2x_dcbx_update_tc_mapping(struct bnx2x *bp) |
| 689 | { |
| 690 | u8 prio, cos; |
| 691 | for (cos = 0; cos < bp->dcbx_port_params.ets.num_of_cos; cos++) { |
| 692 | for (prio = 0; prio < BNX2X_MAX_PRIORITY; prio++) { |
| 693 | if (bp->dcbx_port_params.ets.cos_params[cos].pri_bitmask |
| 694 | & (1 << prio)) { |
| 695 | bp->prio_to_cos[prio] = cos; |
Dmitry Kravkov | 09b775e | 2011-07-24 04:09:43 +0000 | [diff] [blame] | 696 | DP(NETIF_MSG_LINK, |
| 697 | "tx_mapping %d --> %d\n", prio, cos); |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 698 | } |
| 699 | } |
| 700 | } |
| 701 | |
| 702 | /* setup tc must be called under rtnl lock, but we can't take it here |
| 703 | * as we are handling an attetntion on a work queue which must be |
| 704 | * flushed at some rtnl-locked contexts (e.g. if down) |
| 705 | */ |
| 706 | if (!test_and_set_bit(BNX2X_SP_RTNL_SETUP_TC, &bp->sp_rtnl_state)) |
| 707 | schedule_delayed_work(&bp->sp_rtnl_task, 0); |
| 708 | } |
| 709 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 710 | void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state) |
| 711 | { |
| 712 | switch (state) { |
| 713 | case BNX2X_DCBX_STATE_NEG_RECEIVED: |
| 714 | { |
| 715 | DP(NETIF_MSG_LINK, "BNX2X_DCBX_STATE_NEG_RECEIVED\n"); |
Shmulik Ravid | 9850767 | 2011-02-28 12:19:55 -0800 | [diff] [blame] | 716 | #ifdef BCM_DCBNL |
| 717 | /** |
| 718 | * Delete app tlvs from dcbnl before reading new |
| 719 | * negotiation results |
| 720 | */ |
| 721 | bnx2x_dcbnl_update_applist(bp, true); |
Shmulik Ravid | 0be6bc6 | 2011-05-18 02:55:31 +0000 | [diff] [blame] | 722 | |
| 723 | /* Read rmeote mib if dcbx is in the FW */ |
| 724 | if (bnx2x_dcbx_read_shmem_remote_mib(bp)) |
| 725 | return; |
Shmulik Ravid | 9850767 | 2011-02-28 12:19:55 -0800 | [diff] [blame] | 726 | #endif |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 727 | /* Read neg results if dcbx is in the FW */ |
| 728 | if (bnx2x_dcbx_read_shmem_neg_results(bp)) |
| 729 | return; |
| 730 | |
| 731 | bnx2x_dump_dcbx_drv_param(bp, &bp->dcbx_local_feat, |
| 732 | bp->dcbx_error); |
| 733 | |
| 734 | bnx2x_get_dcbx_drv_param(bp, &bp->dcbx_local_feat, |
| 735 | bp->dcbx_error); |
| 736 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 737 | /* mark DCBX result for PMF migration */ |
| 738 | bnx2x_update_drv_flags(bp, DRV_FLAGS_DCB_CONFIGURED, 1); |
Shmulik Ravid | 9850767 | 2011-02-28 12:19:55 -0800 | [diff] [blame] | 739 | #ifdef BCM_DCBNL |
Dmitry Kravkov | 00253a8 | 2011-11-13 04:34:25 +0000 | [diff] [blame] | 740 | /* |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 741 | * Add new app tlvs to dcbnl |
Shmulik Ravid | 9850767 | 2011-02-28 12:19:55 -0800 | [diff] [blame] | 742 | */ |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 743 | bnx2x_dcbnl_update_applist(bp, false); |
Shmulik Ravid | 9850767 | 2011-02-28 12:19:55 -0800 | [diff] [blame] | 744 | #endif |
Dmitry Kravkov | 00253a8 | 2011-11-13 04:34:25 +0000 | [diff] [blame] | 745 | /* |
| 746 | * reconfigure the netdevice with the results of the new |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 747 | * dcbx negotiation. |
| 748 | */ |
| 749 | bnx2x_dcbx_update_tc_mapping(bp); |
| 750 | |
Dmitry Kravkov | 00253a8 | 2011-11-13 04:34:25 +0000 | [diff] [blame] | 751 | /* |
| 752 | * allow other funtions to update their netdevices |
| 753 | * accordingly |
| 754 | */ |
| 755 | if (IS_MF(bp)) |
| 756 | bnx2x_link_sync_notify(bp); |
| 757 | |
| 758 | bnx2x_dcbx_stop_hw_tx(bp); |
| 759 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 760 | return; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 761 | } |
| 762 | case BNX2X_DCBX_STATE_TX_PAUSED: |
| 763 | DP(NETIF_MSG_LINK, "BNX2X_DCBX_STATE_TX_PAUSED\n"); |
| 764 | bnx2x_pfc_set_pfc(bp); |
| 765 | |
| 766 | bnx2x_dcbx_update_ets_params(bp); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 767 | bnx2x_dcbx_resume_hw_tx(bp); |
Dmitry Kravkov | 00253a8 | 2011-11-13 04:34:25 +0000 | [diff] [blame] | 768 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 769 | return; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 770 | case BNX2X_DCBX_STATE_TX_RELEASED: |
| 771 | DP(NETIF_MSG_LINK, "BNX2X_DCBX_STATE_TX_RELEASED\n"); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 772 | bnx2x_fw_command(bp, DRV_MSG_CODE_DCBX_PMF_DRV_OK, 0); |
Shmulik Ravid | 3c878d4 | 2011-07-07 05:11:30 -0700 | [diff] [blame] | 773 | #ifdef BCM_DCBNL |
Dmitry Kravkov | 09b775e | 2011-07-24 04:09:43 +0000 | [diff] [blame] | 774 | /* |
Shmulik Ravid | 3c878d4 | 2011-07-07 05:11:30 -0700 | [diff] [blame] | 775 | * Send a notification for the new negotiated parameters |
| 776 | */ |
| 777 | dcbnl_cee_notify(bp->dev, RTM_GETDCB, DCB_CMD_CEE_GET, 0, 0); |
| 778 | #endif |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 779 | return; |
| 780 | default: |
| 781 | BNX2X_ERR("Unknown DCBX_STATE\n"); |
| 782 | } |
| 783 | } |
| 784 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 785 | #define LLDP_ADMIN_MIB_OFFSET(bp) (PORT_MAX*sizeof(struct lldp_params) + \ |
| 786 | BP_PORT(bp)*sizeof(struct lldp_admin_mib)) |
| 787 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 788 | static void bnx2x_dcbx_admin_mib_updated_params(struct bnx2x *bp, |
| 789 | u32 dcbx_lldp_params_offset) |
| 790 | { |
| 791 | struct lldp_admin_mib admin_mib; |
| 792 | u32 i, other_traf_type = PREDEFINED_APP_IDX_MAX, traf_type = 0; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 793 | u32 offset = dcbx_lldp_params_offset + LLDP_ADMIN_MIB_OFFSET(bp); |
| 794 | |
| 795 | /*shortcuts*/ |
| 796 | struct dcbx_features *af = &admin_mib.features; |
| 797 | struct bnx2x_config_dcbx_params *dp = &bp->dcbx_config_params; |
| 798 | |
| 799 | memset(&admin_mib, 0, sizeof(struct lldp_admin_mib)); |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 800 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 801 | /* Read the data first */ |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 802 | bnx2x_read_data(bp, (u32 *)&admin_mib, offset, |
| 803 | sizeof(struct lldp_admin_mib)); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 804 | |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 805 | if (bp->dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_ON) |
| 806 | SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_DCBX_ENABLED); |
| 807 | else |
| 808 | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_DCBX_ENABLED); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 809 | |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 810 | if (dp->overwrite_settings == BNX2X_DCBX_OVERWRITE_SETTINGS_ENABLE) { |
| 811 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 812 | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_CEE_VERSION_MASK); |
| 813 | admin_mib.ver_cfg_flags |= |
| 814 | (dp->admin_dcbx_version << DCBX_CEE_VERSION_SHIFT) & |
| 815 | DCBX_CEE_VERSION_MASK; |
| 816 | |
| 817 | af->ets.enabled = (u8)dp->admin_ets_enable; |
| 818 | |
| 819 | af->pfc.enabled = (u8)dp->admin_pfc_enable; |
| 820 | |
| 821 | /* FOR IEEE dp->admin_tc_supported_tx_enable */ |
| 822 | if (dp->admin_ets_configuration_tx_enable) |
| 823 | SET_FLAGS(admin_mib.ver_cfg_flags, |
| 824 | DCBX_ETS_CONFIG_TX_ENABLED); |
| 825 | else |
| 826 | RESET_FLAGS(admin_mib.ver_cfg_flags, |
| 827 | DCBX_ETS_CONFIG_TX_ENABLED); |
| 828 | /* For IEEE admin_ets_recommendation_tx_enable */ |
| 829 | if (dp->admin_pfc_tx_enable) |
| 830 | SET_FLAGS(admin_mib.ver_cfg_flags, |
| 831 | DCBX_PFC_CONFIG_TX_ENABLED); |
| 832 | else |
| 833 | RESET_FLAGS(admin_mib.ver_cfg_flags, |
| 834 | DCBX_PFC_CONFIG_TX_ENABLED); |
| 835 | |
| 836 | if (dp->admin_application_priority_tx_enable) |
| 837 | SET_FLAGS(admin_mib.ver_cfg_flags, |
| 838 | DCBX_APP_CONFIG_TX_ENABLED); |
| 839 | else |
| 840 | RESET_FLAGS(admin_mib.ver_cfg_flags, |
| 841 | DCBX_APP_CONFIG_TX_ENABLED); |
| 842 | |
| 843 | if (dp->admin_ets_willing) |
| 844 | SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_ETS_WILLING); |
| 845 | else |
| 846 | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_ETS_WILLING); |
| 847 | /* For IEEE admin_ets_reco_valid */ |
| 848 | if (dp->admin_pfc_willing) |
| 849 | SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_PFC_WILLING); |
| 850 | else |
| 851 | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_PFC_WILLING); |
| 852 | |
| 853 | if (dp->admin_app_priority_willing) |
| 854 | SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_APP_WILLING); |
| 855 | else |
| 856 | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_APP_WILLING); |
| 857 | |
| 858 | for (i = 0 ; i < DCBX_MAX_NUM_PG_BW_ENTRIES; i++) { |
| 859 | DCBX_PG_BW_SET(af->ets.pg_bw_tbl, i, |
| 860 | (u8)dp->admin_configuration_bw_precentage[i]); |
| 861 | |
| 862 | DP(NETIF_MSG_LINK, "pg_bw_tbl[%d] = %02x\n", |
| 863 | i, DCBX_PG_BW_GET(af->ets.pg_bw_tbl, i)); |
| 864 | } |
| 865 | |
| 866 | for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++) { |
| 867 | DCBX_PRI_PG_SET(af->ets.pri_pg_tbl, i, |
| 868 | (u8)dp->admin_configuration_ets_pg[i]); |
| 869 | |
| 870 | DP(NETIF_MSG_LINK, "pri_pg_tbl[%d] = %02x\n", |
| 871 | i, DCBX_PRI_PG_GET(af->ets.pri_pg_tbl, i)); |
| 872 | } |
| 873 | |
| 874 | /*For IEEE admin_recommendation_bw_precentage |
| 875 | *For IEEE admin_recommendation_ets_pg */ |
| 876 | af->pfc.pri_en_bitmap = (u8)dp->admin_pfc_bitmap; |
Dmitry Kravkov | f9c058b | 2011-11-13 04:34:26 +0000 | [diff] [blame] | 877 | for (i = 0; i < DCBX_CONFIG_MAX_APP_PROTOCOL; i++) { |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 878 | if (dp->admin_priority_app_table[i].valid) { |
| 879 | struct bnx2x_admin_priority_app_table *table = |
| 880 | dp->admin_priority_app_table; |
| 881 | if ((ETH_TYPE_FCOE == table[i].app_id) && |
| 882 | (TRAFFIC_TYPE_ETH == table[i].traffic_type)) |
| 883 | traf_type = FCOE_APP_IDX; |
| 884 | else if ((TCP_PORT_ISCSI == table[i].app_id) && |
| 885 | (TRAFFIC_TYPE_PORT == table[i].traffic_type)) |
| 886 | traf_type = ISCSI_APP_IDX; |
| 887 | else |
| 888 | traf_type = other_traf_type++; |
| 889 | |
| 890 | af->app.app_pri_tbl[traf_type].app_id = |
| 891 | table[i].app_id; |
| 892 | |
| 893 | af->app.app_pri_tbl[traf_type].pri_bitmap = |
| 894 | (u8)(1 << table[i].priority); |
| 895 | |
| 896 | af->app.app_pri_tbl[traf_type].appBitfield = |
| 897 | (DCBX_APP_ENTRY_VALID); |
| 898 | |
| 899 | af->app.app_pri_tbl[traf_type].appBitfield |= |
| 900 | (TRAFFIC_TYPE_ETH == table[i].traffic_type) ? |
| 901 | DCBX_APP_SF_ETH_TYPE : DCBX_APP_SF_PORT; |
| 902 | } |
| 903 | } |
| 904 | |
| 905 | af->app.default_pri = (u8)dp->admin_default_priority; |
| 906 | |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 907 | } |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 908 | |
| 909 | /* Write the data. */ |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 910 | bnx2x_write_data(bp, (u32 *)&admin_mib, offset, |
| 911 | sizeof(struct lldp_admin_mib)); |
| 912 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 913 | } |
| 914 | |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 915 | void bnx2x_dcbx_set_state(struct bnx2x *bp, bool dcb_on, u32 dcbx_enabled) |
| 916 | { |
Dmitry Kravkov | 62ac0dc | 2011-11-13 04:34:21 +0000 | [diff] [blame] | 917 | if (!CHIP_IS_E1x(bp)) { |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 918 | bp->dcb_state = dcb_on; |
| 919 | bp->dcbx_enabled = dcbx_enabled; |
| 920 | } else { |
| 921 | bp->dcb_state = false; |
| 922 | bp->dcbx_enabled = BNX2X_DCBX_ENABLED_INVALID; |
| 923 | } |
| 924 | DP(NETIF_MSG_LINK, "DCB state [%s:%s]\n", |
| 925 | dcb_on ? "ON" : "OFF", |
| 926 | dcbx_enabled == BNX2X_DCBX_ENABLED_OFF ? "user-mode" : |
| 927 | dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_OFF ? "on-chip static" : |
| 928 | dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_ON ? |
| 929 | "on-chip with negotiation" : "invalid"); |
| 930 | } |
| 931 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 932 | void bnx2x_dcbx_init_params(struct bnx2x *bp) |
| 933 | { |
| 934 | bp->dcbx_config_params.admin_dcbx_version = 0x0; /* 0 - CEE; 1 - IEEE */ |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 935 | bp->dcbx_config_params.admin_ets_willing = 1; |
| 936 | bp->dcbx_config_params.admin_pfc_willing = 1; |
| 937 | bp->dcbx_config_params.overwrite_settings = 1; |
| 938 | bp->dcbx_config_params.admin_ets_enable = 1; |
| 939 | bp->dcbx_config_params.admin_pfc_enable = 1; |
| 940 | bp->dcbx_config_params.admin_tc_supported_tx_enable = 1; |
| 941 | bp->dcbx_config_params.admin_ets_configuration_tx_enable = 1; |
| 942 | bp->dcbx_config_params.admin_pfc_tx_enable = 1; |
| 943 | bp->dcbx_config_params.admin_application_priority_tx_enable = 1; |
| 944 | bp->dcbx_config_params.admin_ets_reco_valid = 1; |
| 945 | bp->dcbx_config_params.admin_app_priority_willing = 1; |
| 946 | bp->dcbx_config_params.admin_configuration_bw_precentage[0] = 00; |
| 947 | bp->dcbx_config_params.admin_configuration_bw_precentage[1] = 50; |
| 948 | bp->dcbx_config_params.admin_configuration_bw_precentage[2] = 50; |
| 949 | bp->dcbx_config_params.admin_configuration_bw_precentage[3] = 0; |
| 950 | bp->dcbx_config_params.admin_configuration_bw_precentage[4] = 0; |
| 951 | bp->dcbx_config_params.admin_configuration_bw_precentage[5] = 0; |
| 952 | bp->dcbx_config_params.admin_configuration_bw_precentage[6] = 0; |
| 953 | bp->dcbx_config_params.admin_configuration_bw_precentage[7] = 0; |
| 954 | bp->dcbx_config_params.admin_configuration_ets_pg[0] = 1; |
| 955 | bp->dcbx_config_params.admin_configuration_ets_pg[1] = 0; |
| 956 | bp->dcbx_config_params.admin_configuration_ets_pg[2] = 0; |
| 957 | bp->dcbx_config_params.admin_configuration_ets_pg[3] = 2; |
| 958 | bp->dcbx_config_params.admin_configuration_ets_pg[4] = 0; |
| 959 | bp->dcbx_config_params.admin_configuration_ets_pg[5] = 0; |
| 960 | bp->dcbx_config_params.admin_configuration_ets_pg[6] = 0; |
| 961 | bp->dcbx_config_params.admin_configuration_ets_pg[7] = 0; |
| 962 | bp->dcbx_config_params.admin_recommendation_bw_precentage[0] = 0; |
| 963 | bp->dcbx_config_params.admin_recommendation_bw_precentage[1] = 1; |
| 964 | bp->dcbx_config_params.admin_recommendation_bw_precentage[2] = 2; |
| 965 | bp->dcbx_config_params.admin_recommendation_bw_precentage[3] = 0; |
| 966 | bp->dcbx_config_params.admin_recommendation_bw_precentage[4] = 7; |
| 967 | bp->dcbx_config_params.admin_recommendation_bw_precentage[5] = 5; |
| 968 | bp->dcbx_config_params.admin_recommendation_bw_precentage[6] = 6; |
| 969 | bp->dcbx_config_params.admin_recommendation_bw_precentage[7] = 7; |
| 970 | bp->dcbx_config_params.admin_recommendation_ets_pg[0] = 0; |
| 971 | bp->dcbx_config_params.admin_recommendation_ets_pg[1] = 1; |
| 972 | bp->dcbx_config_params.admin_recommendation_ets_pg[2] = 2; |
| 973 | bp->dcbx_config_params.admin_recommendation_ets_pg[3] = 3; |
| 974 | bp->dcbx_config_params.admin_recommendation_ets_pg[4] = 4; |
| 975 | bp->dcbx_config_params.admin_recommendation_ets_pg[5] = 5; |
| 976 | bp->dcbx_config_params.admin_recommendation_ets_pg[6] = 6; |
| 977 | bp->dcbx_config_params.admin_recommendation_ets_pg[7] = 7; |
| 978 | bp->dcbx_config_params.admin_pfc_bitmap = 0x8; /* FCoE(3) enable */ |
| 979 | bp->dcbx_config_params.admin_priority_app_table[0].valid = 1; |
| 980 | bp->dcbx_config_params.admin_priority_app_table[1].valid = 1; |
| 981 | bp->dcbx_config_params.admin_priority_app_table[2].valid = 0; |
| 982 | bp->dcbx_config_params.admin_priority_app_table[3].valid = 0; |
| 983 | bp->dcbx_config_params.admin_priority_app_table[0].priority = 3; |
| 984 | bp->dcbx_config_params.admin_priority_app_table[1].priority = 0; |
| 985 | bp->dcbx_config_params.admin_priority_app_table[2].priority = 0; |
| 986 | bp->dcbx_config_params.admin_priority_app_table[3].priority = 0; |
| 987 | bp->dcbx_config_params.admin_priority_app_table[0].traffic_type = 0; |
| 988 | bp->dcbx_config_params.admin_priority_app_table[1].traffic_type = 1; |
| 989 | bp->dcbx_config_params.admin_priority_app_table[2].traffic_type = 0; |
| 990 | bp->dcbx_config_params.admin_priority_app_table[3].traffic_type = 0; |
| 991 | bp->dcbx_config_params.admin_priority_app_table[0].app_id = 0x8906; |
| 992 | bp->dcbx_config_params.admin_priority_app_table[1].app_id = 3260; |
| 993 | bp->dcbx_config_params.admin_priority_app_table[2].app_id = 0; |
| 994 | bp->dcbx_config_params.admin_priority_app_table[3].app_id = 0; |
| 995 | bp->dcbx_config_params.admin_default_priority = |
| 996 | bp->dcbx_config_params.admin_priority_app_table[1].priority; |
| 997 | } |
| 998 | |
| 999 | void bnx2x_dcbx_init(struct bnx2x *bp) |
| 1000 | { |
| 1001 | u32 dcbx_lldp_params_offset = SHMEM_LLDP_DCBX_PARAMS_NONE; |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 1002 | |
| 1003 | if (bp->dcbx_enabled <= 0) |
| 1004 | return; |
| 1005 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1006 | /* validate: |
| 1007 | * chip of good for dcbx version, |
| 1008 | * dcb is wanted |
| 1009 | * the function is pmf |
| 1010 | * shmem2 contains DCBX support fields |
| 1011 | */ |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 1012 | DP(NETIF_MSG_LINK, "dcb_state %d bp->port.pmf %d\n", |
| 1013 | bp->dcb_state, bp->port.pmf); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1014 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1015 | if (bp->dcb_state == BNX2X_DCB_STATE_ON && bp->port.pmf && |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1016 | SHMEM2_HAS(bp, dcbx_lldp_params_offset)) { |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 1017 | dcbx_lldp_params_offset = |
| 1018 | SHMEM2_RD(bp, dcbx_lldp_params_offset); |
| 1019 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1020 | DP(NETIF_MSG_LINK, "dcbx_lldp_params_offset 0x%x\n", |
| 1021 | dcbx_lldp_params_offset); |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 1022 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1023 | bnx2x_update_drv_flags(bp, DRV_FLAGS_DCB_CONFIGURED, 0); |
| 1024 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1025 | if (SHMEM_LLDP_DCBX_PARAMS_NONE != dcbx_lldp_params_offset) { |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1026 | bnx2x_dcbx_admin_mib_updated_params(bp, |
| 1027 | dcbx_lldp_params_offset); |
| 1028 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1029 | /* Let HW start negotiation */ |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1030 | bnx2x_fw_command(bp, |
| 1031 | DRV_MSG_CODE_DCBX_ADMIN_PMF_MSG, 0); |
| 1032 | } |
| 1033 | } |
| 1034 | } |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1035 | static void |
| 1036 | bnx2x_dcbx_print_cos_params(struct bnx2x *bp, |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 1037 | struct bnx2x_func_tx_start_params *pfc_fw_cfg) |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1038 | { |
| 1039 | u8 pri = 0; |
| 1040 | u8 cos = 0; |
| 1041 | |
| 1042 | DP(NETIF_MSG_LINK, |
| 1043 | "pfc_fw_cfg->dcb_version %x\n", pfc_fw_cfg->dcb_version); |
| 1044 | DP(NETIF_MSG_LINK, |
| 1045 | "pdev->params.dcbx_port_params.pfc." |
| 1046 | "priority_non_pauseable_mask %x\n", |
| 1047 | bp->dcbx_port_params.pfc.priority_non_pauseable_mask); |
| 1048 | |
| 1049 | for (cos = 0 ; cos < bp->dcbx_port_params.ets.num_of_cos ; cos++) { |
| 1050 | DP(NETIF_MSG_LINK, "pdev->params.dcbx_port_params.ets." |
| 1051 | "cos_params[%d].pri_bitmask %x\n", cos, |
| 1052 | bp->dcbx_port_params.ets.cos_params[cos].pri_bitmask); |
| 1053 | |
| 1054 | DP(NETIF_MSG_LINK, "pdev->params.dcbx_port_params.ets." |
| 1055 | "cos_params[%d].bw_tbl %x\n", cos, |
| 1056 | bp->dcbx_port_params.ets.cos_params[cos].bw_tbl); |
| 1057 | |
| 1058 | DP(NETIF_MSG_LINK, "pdev->params.dcbx_port_params.ets." |
| 1059 | "cos_params[%d].strict %x\n", cos, |
| 1060 | bp->dcbx_port_params.ets.cos_params[cos].strict); |
| 1061 | |
| 1062 | DP(NETIF_MSG_LINK, "pdev->params.dcbx_port_params.ets." |
| 1063 | "cos_params[%d].pauseable %x\n", cos, |
| 1064 | bp->dcbx_port_params.ets.cos_params[cos].pauseable); |
| 1065 | } |
| 1066 | |
| 1067 | for (pri = 0; pri < LLFC_DRIVER_TRAFFIC_TYPE_MAX; pri++) { |
| 1068 | DP(NETIF_MSG_LINK, |
| 1069 | "pfc_fw_cfg->traffic_type_to_priority_cos[%d]." |
| 1070 | "priority %x\n", pri, |
| 1071 | pfc_fw_cfg->traffic_type_to_priority_cos[pri].priority); |
| 1072 | |
| 1073 | DP(NETIF_MSG_LINK, |
| 1074 | "pfc_fw_cfg->traffic_type_to_priority_cos[%d].cos %x\n", |
| 1075 | pri, pfc_fw_cfg->traffic_type_to_priority_cos[pri].cos); |
| 1076 | } |
| 1077 | } |
| 1078 | |
| 1079 | /* fills help_data according to pg_info */ |
| 1080 | static void bnx2x_dcbx_get_num_pg_traf_type(struct bnx2x *bp, |
| 1081 | u32 *pg_pri_orginal_spread, |
| 1082 | struct pg_help_data *help_data) |
| 1083 | { |
| 1084 | bool pg_found = false; |
| 1085 | u32 i, traf_type, add_traf_type, add_pg; |
| 1086 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; |
| 1087 | struct pg_entry_help_data *data = help_data->data; /*shotcut*/ |
| 1088 | |
| 1089 | /* Set to invalid */ |
| 1090 | for (i = 0; i < LLFC_DRIVER_TRAFFIC_TYPE_MAX; i++) |
| 1091 | data[i].pg = DCBX_ILLEGAL_PG; |
| 1092 | |
| 1093 | for (add_traf_type = 0; |
| 1094 | add_traf_type < LLFC_DRIVER_TRAFFIC_TYPE_MAX; add_traf_type++) { |
| 1095 | pg_found = false; |
| 1096 | if (ttp[add_traf_type] < MAX_PFC_PRIORITIES) { |
| 1097 | add_pg = (u8)pg_pri_orginal_spread[ttp[add_traf_type]]; |
| 1098 | for (traf_type = 0; |
| 1099 | traf_type < LLFC_DRIVER_TRAFFIC_TYPE_MAX; |
| 1100 | traf_type++) { |
| 1101 | if (data[traf_type].pg == add_pg) { |
| 1102 | if (!(data[traf_type].pg_priority & |
| 1103 | (1 << ttp[add_traf_type]))) |
| 1104 | data[traf_type]. |
| 1105 | num_of_dif_pri++; |
| 1106 | data[traf_type].pg_priority |= |
| 1107 | (1 << ttp[add_traf_type]); |
| 1108 | pg_found = true; |
| 1109 | break; |
| 1110 | } |
| 1111 | } |
| 1112 | if (false == pg_found) { |
| 1113 | data[help_data->num_of_pg].pg = add_pg; |
| 1114 | data[help_data->num_of_pg].pg_priority = |
| 1115 | (1 << ttp[add_traf_type]); |
| 1116 | data[help_data->num_of_pg].num_of_dif_pri = 1; |
| 1117 | help_data->num_of_pg++; |
| 1118 | } |
| 1119 | } |
| 1120 | DP(NETIF_MSG_LINK, |
| 1121 | "add_traf_type %d pg_found %s num_of_pg %d\n", |
| 1122 | add_traf_type, (false == pg_found) ? "NO" : "YES", |
| 1123 | help_data->num_of_pg); |
| 1124 | } |
| 1125 | } |
| 1126 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1127 | static void bnx2x_dcbx_ets_disabled_entry_data(struct bnx2x *bp, |
| 1128 | struct cos_help_data *cos_data, |
| 1129 | u32 pri_join_mask) |
| 1130 | { |
| 1131 | /* Only one priority than only one COS */ |
| 1132 | cos_data->data[0].pausable = |
| 1133 | IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask); |
| 1134 | cos_data->data[0].pri_join_mask = pri_join_mask; |
| 1135 | cos_data->data[0].cos_bw = 100; |
| 1136 | cos_data->num_of_cos = 1; |
| 1137 | } |
| 1138 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1139 | static inline void bnx2x_dcbx_add_to_cos_bw(struct bnx2x *bp, |
| 1140 | struct cos_entry_help_data *data, |
| 1141 | u8 pg_bw) |
| 1142 | { |
| 1143 | if (data->cos_bw == DCBX_INVALID_COS_BW) |
| 1144 | data->cos_bw = pg_bw; |
| 1145 | else |
| 1146 | data->cos_bw += pg_bw; |
| 1147 | } |
| 1148 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1149 | static void bnx2x_dcbx_separate_pauseable_from_non(struct bnx2x *bp, |
| 1150 | struct cos_help_data *cos_data, |
| 1151 | u32 *pg_pri_orginal_spread, |
| 1152 | struct dcbx_ets_feature *ets) |
| 1153 | { |
| 1154 | u32 pri_tested = 0; |
| 1155 | u8 i = 0; |
| 1156 | u8 entry = 0; |
| 1157 | u8 pg_entry = 0; |
| 1158 | u8 num_of_pri = LLFC_DRIVER_TRAFFIC_TYPE_MAX; |
| 1159 | |
| 1160 | cos_data->data[0].pausable = true; |
| 1161 | cos_data->data[1].pausable = false; |
| 1162 | cos_data->data[0].pri_join_mask = cos_data->data[1].pri_join_mask = 0; |
| 1163 | |
| 1164 | for (i = 0 ; i < num_of_pri ; i++) { |
| 1165 | pri_tested = 1 << bp->dcbx_port_params. |
| 1166 | app.traffic_type_priority[i]; |
| 1167 | |
| 1168 | if (pri_tested & DCBX_PFC_PRI_NON_PAUSE_MASK(bp)) { |
| 1169 | cos_data->data[1].pri_join_mask |= pri_tested; |
| 1170 | entry = 1; |
| 1171 | } else { |
| 1172 | cos_data->data[0].pri_join_mask |= pri_tested; |
| 1173 | entry = 0; |
| 1174 | } |
| 1175 | pg_entry = (u8)pg_pri_orginal_spread[bp->dcbx_port_params. |
| 1176 | app.traffic_type_priority[i]]; |
| 1177 | /* There can be only one strict pg */ |
| 1178 | if (pg_entry < DCBX_MAX_NUM_PG_BW_ENTRIES) |
| 1179 | bnx2x_dcbx_add_to_cos_bw(bp, &cos_data->data[entry], |
| 1180 | DCBX_PG_BW_GET(ets->pg_bw_tbl, pg_entry)); |
| 1181 | else |
| 1182 | /* If we join a group and one is strict |
| 1183 | * than the bw rulls */ |
| 1184 | cos_data->data[entry].strict = |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1185 | BNX2X_DCBX_STRICT_COS_HIGHEST; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1186 | } |
| 1187 | if ((0 == cos_data->data[0].pri_join_mask) && |
| 1188 | (0 == cos_data->data[1].pri_join_mask)) |
| 1189 | BNX2X_ERR("dcbx error: Both groups must have priorities\n"); |
| 1190 | } |
| 1191 | |
| 1192 | |
| 1193 | #ifndef POWER_OF_2 |
| 1194 | #define POWER_OF_2(x) ((0 != x) && (0 == (x & (x-1)))) |
| 1195 | #endif |
| 1196 | |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1197 | static void bnx2x_dcbx_2cos_limit_cee_single_pg_to_cos_params(struct bnx2x *bp, |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1198 | struct pg_help_data *pg_help_data, |
| 1199 | struct cos_help_data *cos_data, |
| 1200 | u32 pri_join_mask, |
| 1201 | u8 num_of_dif_pri) |
| 1202 | { |
| 1203 | u8 i = 0; |
| 1204 | u32 pri_tested = 0; |
| 1205 | u32 pri_mask_without_pri = 0; |
| 1206 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; |
| 1207 | /*debug*/ |
| 1208 | if (num_of_dif_pri == 1) { |
| 1209 | bnx2x_dcbx_ets_disabled_entry_data(bp, cos_data, pri_join_mask); |
| 1210 | return; |
| 1211 | } |
| 1212 | /* single priority group */ |
| 1213 | if (pg_help_data->data[0].pg < DCBX_MAX_NUM_PG_BW_ENTRIES) { |
| 1214 | /* If there are both pauseable and non-pauseable priorities, |
| 1215 | * the pauseable priorities go to the first queue and |
| 1216 | * the non-pauseable priorities go to the second queue. |
| 1217 | */ |
| 1218 | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) { |
| 1219 | /* Pauseable */ |
| 1220 | cos_data->data[0].pausable = true; |
| 1221 | /* Non pauseable.*/ |
| 1222 | cos_data->data[1].pausable = false; |
| 1223 | |
| 1224 | if (2 == num_of_dif_pri) { |
| 1225 | cos_data->data[0].cos_bw = 50; |
| 1226 | cos_data->data[1].cos_bw = 50; |
| 1227 | } |
| 1228 | |
| 1229 | if (3 == num_of_dif_pri) { |
| 1230 | if (POWER_OF_2(DCBX_PFC_PRI_GET_PAUSE(bp, |
| 1231 | pri_join_mask))) { |
| 1232 | cos_data->data[0].cos_bw = 33; |
| 1233 | cos_data->data[1].cos_bw = 67; |
| 1234 | } else { |
| 1235 | cos_data->data[0].cos_bw = 67; |
| 1236 | cos_data->data[1].cos_bw = 33; |
| 1237 | } |
| 1238 | } |
| 1239 | |
| 1240 | } else if (IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask)) { |
| 1241 | /* If there are only pauseable priorities, |
| 1242 | * then one/two priorities go to the first queue |
| 1243 | * and one priority goes to the second queue. |
| 1244 | */ |
| 1245 | if (2 == num_of_dif_pri) { |
| 1246 | cos_data->data[0].cos_bw = 50; |
| 1247 | cos_data->data[1].cos_bw = 50; |
| 1248 | } else { |
| 1249 | cos_data->data[0].cos_bw = 67; |
| 1250 | cos_data->data[1].cos_bw = 33; |
| 1251 | } |
| 1252 | cos_data->data[1].pausable = true; |
| 1253 | cos_data->data[0].pausable = true; |
| 1254 | /* All priorities except FCOE */ |
| 1255 | cos_data->data[0].pri_join_mask = (pri_join_mask & |
| 1256 | ((u8)~(1 << ttp[LLFC_TRAFFIC_TYPE_FCOE]))); |
| 1257 | /* Only FCOE priority.*/ |
| 1258 | cos_data->data[1].pri_join_mask = |
| 1259 | (1 << ttp[LLFC_TRAFFIC_TYPE_FCOE]); |
| 1260 | } else |
| 1261 | /* If there are only non-pauseable priorities, |
| 1262 | * they will all go to the same queue. |
| 1263 | */ |
| 1264 | bnx2x_dcbx_ets_disabled_entry_data(bp, |
| 1265 | cos_data, pri_join_mask); |
| 1266 | } else { |
| 1267 | /* priority group which is not BW limited (PG#15):*/ |
| 1268 | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) { |
| 1269 | /* If there are both pauseable and non-pauseable |
| 1270 | * priorities, the pauseable priorities go to the first |
| 1271 | * queue and the non-pauseable priorities |
| 1272 | * go to the second queue. |
| 1273 | */ |
| 1274 | if (DCBX_PFC_PRI_GET_PAUSE(bp, pri_join_mask) > |
| 1275 | DCBX_PFC_PRI_GET_NON_PAUSE(bp, pri_join_mask)) { |
| 1276 | cos_data->data[0].strict = |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1277 | BNX2X_DCBX_STRICT_COS_HIGHEST; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1278 | cos_data->data[1].strict = |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1279 | BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI( |
| 1280 | BNX2X_DCBX_STRICT_COS_HIGHEST); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1281 | } else { |
| 1282 | cos_data->data[0].strict = |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1283 | BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI( |
| 1284 | BNX2X_DCBX_STRICT_COS_HIGHEST); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1285 | cos_data->data[1].strict = |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1286 | BNX2X_DCBX_STRICT_COS_HIGHEST; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1287 | } |
| 1288 | /* Pauseable */ |
| 1289 | cos_data->data[0].pausable = true; |
| 1290 | /* Non pause-able.*/ |
| 1291 | cos_data->data[1].pausable = false; |
| 1292 | } else { |
| 1293 | /* If there are only pauseable priorities or |
| 1294 | * only non-pauseable,* the lower priorities go |
| 1295 | * to the first queue and the higherpriorities go |
| 1296 | * to the second queue. |
| 1297 | */ |
| 1298 | cos_data->data[0].pausable = |
| 1299 | cos_data->data[1].pausable = |
| 1300 | IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask); |
| 1301 | |
| 1302 | for (i = 0 ; i < LLFC_DRIVER_TRAFFIC_TYPE_MAX; i++) { |
| 1303 | pri_tested = 1 << bp->dcbx_port_params. |
| 1304 | app.traffic_type_priority[i]; |
| 1305 | /* Remove priority tested */ |
| 1306 | pri_mask_without_pri = |
| 1307 | (pri_join_mask & ((u8)(~pri_tested))); |
| 1308 | if (pri_mask_without_pri < pri_tested) |
| 1309 | break; |
| 1310 | } |
| 1311 | |
| 1312 | if (i == LLFC_DRIVER_TRAFFIC_TYPE_MAX) |
| 1313 | BNX2X_ERR("Invalid value for pri_join_mask -" |
| 1314 | " could not find a priority\n"); |
| 1315 | |
| 1316 | cos_data->data[0].pri_join_mask = pri_mask_without_pri; |
| 1317 | cos_data->data[1].pri_join_mask = pri_tested; |
| 1318 | /* Both queues are strict priority, |
| 1319 | * and that with the highest priority |
| 1320 | * gets the highest strict priority in the arbiter. |
| 1321 | */ |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1322 | cos_data->data[0].strict = |
| 1323 | BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI( |
| 1324 | BNX2X_DCBX_STRICT_COS_HIGHEST); |
| 1325 | cos_data->data[1].strict = |
| 1326 | BNX2X_DCBX_STRICT_COS_HIGHEST; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1327 | } |
| 1328 | } |
| 1329 | } |
| 1330 | |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1331 | static void bnx2x_dcbx_2cos_limit_cee_two_pg_to_cos_params( |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1332 | struct bnx2x *bp, |
| 1333 | struct pg_help_data *pg_help_data, |
| 1334 | struct dcbx_ets_feature *ets, |
| 1335 | struct cos_help_data *cos_data, |
| 1336 | u32 *pg_pri_orginal_spread, |
| 1337 | u32 pri_join_mask, |
| 1338 | u8 num_of_dif_pri) |
| 1339 | { |
| 1340 | u8 i = 0; |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1341 | u8 pg[DCBX_COS_MAX_NUM_E2] = { 0 }; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1342 | |
| 1343 | /* If there are both pauseable and non-pauseable priorities, |
| 1344 | * the pauseable priorities go to the first queue and |
| 1345 | * the non-pauseable priorities go to the second queue. |
| 1346 | */ |
| 1347 | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) { |
| 1348 | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, |
| 1349 | pg_help_data->data[0].pg_priority) || |
| 1350 | IS_DCBX_PFC_PRI_MIX_PAUSE(bp, |
| 1351 | pg_help_data->data[1].pg_priority)) { |
| 1352 | /* If one PG contains both pauseable and |
| 1353 | * non-pauseable priorities then ETS is disabled. |
| 1354 | */ |
| 1355 | bnx2x_dcbx_separate_pauseable_from_non(bp, cos_data, |
| 1356 | pg_pri_orginal_spread, ets); |
| 1357 | bp->dcbx_port_params.ets.enabled = false; |
| 1358 | return; |
| 1359 | } |
| 1360 | |
| 1361 | /* Pauseable */ |
| 1362 | cos_data->data[0].pausable = true; |
| 1363 | /* Non pauseable. */ |
| 1364 | cos_data->data[1].pausable = false; |
| 1365 | if (IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, |
| 1366 | pg_help_data->data[0].pg_priority)) { |
| 1367 | /* 0 is pauseable */ |
| 1368 | cos_data->data[0].pri_join_mask = |
| 1369 | pg_help_data->data[0].pg_priority; |
| 1370 | pg[0] = pg_help_data->data[0].pg; |
| 1371 | cos_data->data[1].pri_join_mask = |
| 1372 | pg_help_data->data[1].pg_priority; |
| 1373 | pg[1] = pg_help_data->data[1].pg; |
| 1374 | } else {/* 1 is pauseable */ |
| 1375 | cos_data->data[0].pri_join_mask = |
| 1376 | pg_help_data->data[1].pg_priority; |
| 1377 | pg[0] = pg_help_data->data[1].pg; |
| 1378 | cos_data->data[1].pri_join_mask = |
| 1379 | pg_help_data->data[0].pg_priority; |
| 1380 | pg[1] = pg_help_data->data[0].pg; |
| 1381 | } |
| 1382 | } else { |
| 1383 | /* If there are only pauseable priorities or |
| 1384 | * only non-pauseable, each PG goes to a queue. |
| 1385 | */ |
| 1386 | cos_data->data[0].pausable = cos_data->data[1].pausable = |
| 1387 | IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask); |
| 1388 | cos_data->data[0].pri_join_mask = |
| 1389 | pg_help_data->data[0].pg_priority; |
| 1390 | pg[0] = pg_help_data->data[0].pg; |
| 1391 | cos_data->data[1].pri_join_mask = |
| 1392 | pg_help_data->data[1].pg_priority; |
| 1393 | pg[1] = pg_help_data->data[1].pg; |
| 1394 | } |
| 1395 | |
| 1396 | /* There can be only one strict pg */ |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1397 | for (i = 0 ; i < ARRAY_SIZE(pg); i++) { |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1398 | if (pg[i] < DCBX_MAX_NUM_PG_BW_ENTRIES) |
| 1399 | cos_data->data[i].cos_bw = |
| 1400 | DCBX_PG_BW_GET(ets->pg_bw_tbl, pg[i]); |
| 1401 | else |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1402 | cos_data->data[i].strict = |
| 1403 | BNX2X_DCBX_STRICT_COS_HIGHEST; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1404 | } |
| 1405 | } |
| 1406 | |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1407 | static int bnx2x_dcbx_join_pgs( |
| 1408 | struct bnx2x *bp, |
| 1409 | struct dcbx_ets_feature *ets, |
| 1410 | struct pg_help_data *pg_help_data, |
| 1411 | u8 required_num_of_pg) |
| 1412 | { |
| 1413 | u8 entry_joined = pg_help_data->num_of_pg - 1; |
| 1414 | u8 entry_removed = entry_joined + 1; |
| 1415 | u8 pg_joined = 0; |
| 1416 | |
| 1417 | if (required_num_of_pg == 0 || ARRAY_SIZE(pg_help_data->data) |
| 1418 | <= pg_help_data->num_of_pg) { |
| 1419 | |
| 1420 | BNX2X_ERR("required_num_of_pg can't be zero\n"); |
| 1421 | return -EINVAL; |
| 1422 | } |
| 1423 | |
| 1424 | while (required_num_of_pg < pg_help_data->num_of_pg) { |
| 1425 | entry_joined = pg_help_data->num_of_pg - 2; |
| 1426 | entry_removed = entry_joined + 1; |
| 1427 | /* protect index */ |
| 1428 | entry_removed %= ARRAY_SIZE(pg_help_data->data); |
| 1429 | |
| 1430 | pg_help_data->data[entry_joined].pg_priority |= |
| 1431 | pg_help_data->data[entry_removed].pg_priority; |
| 1432 | |
| 1433 | pg_help_data->data[entry_joined].num_of_dif_pri += |
| 1434 | pg_help_data->data[entry_removed].num_of_dif_pri; |
| 1435 | |
| 1436 | if (pg_help_data->data[entry_joined].pg == DCBX_STRICT_PRI_PG || |
| 1437 | pg_help_data->data[entry_removed].pg == DCBX_STRICT_PRI_PG) |
| 1438 | /* Entries joined strict priority rules */ |
| 1439 | pg_help_data->data[entry_joined].pg = |
| 1440 | DCBX_STRICT_PRI_PG; |
| 1441 | else { |
| 1442 | /* Entries can be joined join BW */ |
| 1443 | pg_joined = DCBX_PG_BW_GET(ets->pg_bw_tbl, |
| 1444 | pg_help_data->data[entry_joined].pg) + |
| 1445 | DCBX_PG_BW_GET(ets->pg_bw_tbl, |
| 1446 | pg_help_data->data[entry_removed].pg); |
| 1447 | |
| 1448 | DCBX_PG_BW_SET(ets->pg_bw_tbl, |
| 1449 | pg_help_data->data[entry_joined].pg, pg_joined); |
| 1450 | } |
| 1451 | /* Joined the entries */ |
| 1452 | pg_help_data->num_of_pg--; |
| 1453 | } |
| 1454 | |
| 1455 | return 0; |
| 1456 | } |
| 1457 | |
| 1458 | static void bnx2x_dcbx_2cos_limit_cee_three_pg_to_cos_params( |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1459 | struct bnx2x *bp, |
| 1460 | struct pg_help_data *pg_help_data, |
| 1461 | struct dcbx_ets_feature *ets, |
| 1462 | struct cos_help_data *cos_data, |
| 1463 | u32 *pg_pri_orginal_spread, |
| 1464 | u32 pri_join_mask, |
| 1465 | u8 num_of_dif_pri) |
| 1466 | { |
| 1467 | u8 i = 0; |
| 1468 | u32 pri_tested = 0; |
| 1469 | u8 entry = 0; |
| 1470 | u8 pg_entry = 0; |
| 1471 | bool b_found_strict = false; |
| 1472 | u8 num_of_pri = LLFC_DRIVER_TRAFFIC_TYPE_MAX; |
| 1473 | |
| 1474 | cos_data->data[0].pri_join_mask = cos_data->data[1].pri_join_mask = 0; |
| 1475 | /* If there are both pauseable and non-pauseable priorities, |
| 1476 | * the pauseable priorities go to the first queue and the |
| 1477 | * non-pauseable priorities go to the second queue. |
| 1478 | */ |
| 1479 | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) |
| 1480 | bnx2x_dcbx_separate_pauseable_from_non(bp, |
| 1481 | cos_data, pg_pri_orginal_spread, ets); |
| 1482 | else { |
| 1483 | /* If two BW-limited PG-s were combined to one queue, |
| 1484 | * the BW is their sum. |
| 1485 | * |
| 1486 | * If there are only pauseable priorities or only non-pauseable, |
| 1487 | * and there are both BW-limited and non-BW-limited PG-s, |
| 1488 | * the BW-limited PG/s go to one queue and the non-BW-limited |
| 1489 | * PG/s go to the second queue. |
| 1490 | * |
| 1491 | * If there are only pauseable priorities or only non-pauseable |
| 1492 | * and all are BW limited, then two priorities go to the first |
| 1493 | * queue and one priority goes to the second queue. |
| 1494 | * |
| 1495 | * We will join this two cases: |
| 1496 | * if one is BW limited it will go to the secoend queue |
| 1497 | * otherwise the last priority will get it |
| 1498 | */ |
| 1499 | |
| 1500 | cos_data->data[0].pausable = cos_data->data[1].pausable = |
| 1501 | IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask); |
| 1502 | |
| 1503 | for (i = 0 ; i < num_of_pri; i++) { |
| 1504 | pri_tested = 1 << bp->dcbx_port_params. |
| 1505 | app.traffic_type_priority[i]; |
| 1506 | pg_entry = (u8)pg_pri_orginal_spread[bp-> |
| 1507 | dcbx_port_params.app.traffic_type_priority[i]]; |
| 1508 | |
| 1509 | if (pg_entry < DCBX_MAX_NUM_PG_BW_ENTRIES) { |
| 1510 | entry = 0; |
| 1511 | |
| 1512 | if (i == (num_of_pri-1) && |
| 1513 | false == b_found_strict) |
| 1514 | /* last entry will be handled separately |
| 1515 | * If no priority is strict than last |
| 1516 | * enty goes to last queue.*/ |
| 1517 | entry = 1; |
| 1518 | cos_data->data[entry].pri_join_mask |= |
| 1519 | pri_tested; |
| 1520 | bnx2x_dcbx_add_to_cos_bw(bp, |
| 1521 | &cos_data->data[entry], |
| 1522 | DCBX_PG_BW_GET(ets->pg_bw_tbl, |
| 1523 | pg_entry)); |
| 1524 | } else { |
| 1525 | b_found_strict = true; |
| 1526 | cos_data->data[1].pri_join_mask |= pri_tested; |
| 1527 | /* If we join a group and one is strict |
| 1528 | * than the bw rulls */ |
| 1529 | cos_data->data[1].strict = |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1530 | BNX2X_DCBX_STRICT_COS_HIGHEST; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1531 | } |
| 1532 | } |
| 1533 | } |
| 1534 | } |
| 1535 | |
| 1536 | |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1537 | static void bnx2x_dcbx_2cos_limit_cee_fill_cos_params(struct bnx2x *bp, |
| 1538 | struct pg_help_data *help_data, |
| 1539 | struct dcbx_ets_feature *ets, |
| 1540 | struct cos_help_data *cos_data, |
| 1541 | u32 *pg_pri_orginal_spread, |
| 1542 | u32 pri_join_mask, |
| 1543 | u8 num_of_dif_pri) |
| 1544 | { |
| 1545 | |
| 1546 | /* default E2 settings */ |
| 1547 | cos_data->num_of_cos = DCBX_COS_MAX_NUM_E2; |
| 1548 | |
| 1549 | switch (help_data->num_of_pg) { |
| 1550 | case 1: |
| 1551 | bnx2x_dcbx_2cos_limit_cee_single_pg_to_cos_params( |
| 1552 | bp, |
| 1553 | help_data, |
| 1554 | cos_data, |
| 1555 | pri_join_mask, |
| 1556 | num_of_dif_pri); |
| 1557 | break; |
| 1558 | case 2: |
| 1559 | bnx2x_dcbx_2cos_limit_cee_two_pg_to_cos_params( |
| 1560 | bp, |
| 1561 | help_data, |
| 1562 | ets, |
| 1563 | cos_data, |
| 1564 | pg_pri_orginal_spread, |
| 1565 | pri_join_mask, |
| 1566 | num_of_dif_pri); |
| 1567 | break; |
| 1568 | |
| 1569 | case 3: |
| 1570 | bnx2x_dcbx_2cos_limit_cee_three_pg_to_cos_params( |
| 1571 | bp, |
| 1572 | help_data, |
| 1573 | ets, |
| 1574 | cos_data, |
| 1575 | pg_pri_orginal_spread, |
| 1576 | pri_join_mask, |
| 1577 | num_of_dif_pri); |
| 1578 | break; |
| 1579 | default: |
| 1580 | BNX2X_ERR("Wrong pg_help_data.num_of_pg\n"); |
| 1581 | bnx2x_dcbx_ets_disabled_entry_data(bp, |
| 1582 | cos_data, pri_join_mask); |
| 1583 | } |
| 1584 | } |
| 1585 | |
| 1586 | static int bnx2x_dcbx_spread_strict_pri(struct bnx2x *bp, |
| 1587 | struct cos_help_data *cos_data, |
| 1588 | u8 entry, |
| 1589 | u8 num_spread_of_entries, |
| 1590 | u8 strict_app_pris) |
| 1591 | { |
| 1592 | u8 strict_pri = BNX2X_DCBX_STRICT_COS_HIGHEST; |
| 1593 | u8 num_of_app_pri = MAX_PFC_PRIORITIES; |
| 1594 | u8 app_pri_bit = 0; |
| 1595 | |
| 1596 | while (num_spread_of_entries && num_of_app_pri > 0) { |
| 1597 | app_pri_bit = 1 << (num_of_app_pri - 1); |
| 1598 | if (app_pri_bit & strict_app_pris) { |
| 1599 | struct cos_entry_help_data *data = &cos_data-> |
| 1600 | data[entry]; |
| 1601 | num_spread_of_entries--; |
| 1602 | if (num_spread_of_entries == 0) { |
| 1603 | /* last entry needed put all the entries left */ |
| 1604 | data->cos_bw = DCBX_INVALID_COS_BW; |
| 1605 | data->strict = strict_pri; |
| 1606 | data->pri_join_mask = strict_app_pris; |
| 1607 | data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp, |
| 1608 | data->pri_join_mask); |
| 1609 | } else { |
| 1610 | strict_app_pris &= ~app_pri_bit; |
| 1611 | |
| 1612 | data->cos_bw = DCBX_INVALID_COS_BW; |
| 1613 | data->strict = strict_pri; |
| 1614 | data->pri_join_mask = app_pri_bit; |
| 1615 | data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp, |
| 1616 | data->pri_join_mask); |
| 1617 | } |
| 1618 | |
| 1619 | strict_pri = |
| 1620 | BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI(strict_pri); |
| 1621 | entry++; |
| 1622 | } |
| 1623 | |
| 1624 | num_of_app_pri--; |
| 1625 | } |
| 1626 | |
| 1627 | if (num_spread_of_entries) |
| 1628 | return -EINVAL; |
| 1629 | |
| 1630 | return 0; |
| 1631 | } |
| 1632 | |
| 1633 | static u8 bnx2x_dcbx_cee_fill_strict_pri(struct bnx2x *bp, |
| 1634 | struct cos_help_data *cos_data, |
| 1635 | u8 entry, |
| 1636 | u8 num_spread_of_entries, |
| 1637 | u8 strict_app_pris) |
| 1638 | { |
| 1639 | |
| 1640 | if (bnx2x_dcbx_spread_strict_pri(bp, cos_data, entry, |
| 1641 | num_spread_of_entries, |
| 1642 | strict_app_pris)) { |
| 1643 | struct cos_entry_help_data *data = &cos_data-> |
| 1644 | data[entry]; |
| 1645 | /* Fill BW entry */ |
| 1646 | data->cos_bw = DCBX_INVALID_COS_BW; |
| 1647 | data->strict = BNX2X_DCBX_STRICT_COS_HIGHEST; |
| 1648 | data->pri_join_mask = strict_app_pris; |
| 1649 | data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp, |
| 1650 | data->pri_join_mask); |
| 1651 | return 1; |
| 1652 | } |
| 1653 | |
| 1654 | return num_spread_of_entries; |
| 1655 | } |
| 1656 | |
| 1657 | static void bnx2x_dcbx_cee_fill_cos_params(struct bnx2x *bp, |
| 1658 | struct pg_help_data *help_data, |
| 1659 | struct dcbx_ets_feature *ets, |
| 1660 | struct cos_help_data *cos_data, |
| 1661 | u32 pri_join_mask) |
| 1662 | |
| 1663 | { |
| 1664 | u8 need_num_of_entries = 0; |
| 1665 | u8 i = 0; |
| 1666 | u8 entry = 0; |
| 1667 | |
| 1668 | /* |
| 1669 | * if the number of requested PG-s in CEE is greater than 3 |
| 1670 | * then the results are not determined since this is a violation |
| 1671 | * of the standard. |
| 1672 | */ |
| 1673 | if (help_data->num_of_pg > DCBX_COS_MAX_NUM_E3B0) { |
| 1674 | if (bnx2x_dcbx_join_pgs(bp, ets, help_data, |
| 1675 | DCBX_COS_MAX_NUM_E3B0)) { |
| 1676 | BNX2X_ERR("Unable to reduce the number of PGs -" |
| 1677 | "we will disables ETS\n"); |
| 1678 | bnx2x_dcbx_ets_disabled_entry_data(bp, cos_data, |
| 1679 | pri_join_mask); |
| 1680 | return; |
| 1681 | } |
| 1682 | } |
| 1683 | |
| 1684 | for (i = 0 ; i < help_data->num_of_pg; i++) { |
| 1685 | struct pg_entry_help_data *pg = &help_data->data[i]; |
| 1686 | if (pg->pg < DCBX_MAX_NUM_PG_BW_ENTRIES) { |
| 1687 | struct cos_entry_help_data *data = &cos_data-> |
| 1688 | data[entry]; |
| 1689 | /* Fill BW entry */ |
| 1690 | data->cos_bw = DCBX_PG_BW_GET(ets->pg_bw_tbl, pg->pg); |
| 1691 | data->strict = BNX2X_DCBX_STRICT_INVALID; |
| 1692 | data->pri_join_mask = pg->pg_priority; |
| 1693 | data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp, |
| 1694 | data->pri_join_mask); |
| 1695 | |
| 1696 | entry++; |
| 1697 | } else { |
| 1698 | need_num_of_entries = min_t(u8, |
| 1699 | (u8)pg->num_of_dif_pri, |
| 1700 | (u8)DCBX_COS_MAX_NUM_E3B0 - |
| 1701 | help_data->num_of_pg + 1); |
| 1702 | /* |
| 1703 | * If there are still VOQ-s which have no associated PG, |
| 1704 | * then associate these VOQ-s to PG15. These PG-s will |
| 1705 | * be used for SP between priorities on PG15. |
| 1706 | */ |
| 1707 | entry += bnx2x_dcbx_cee_fill_strict_pri(bp, cos_data, |
| 1708 | entry, need_num_of_entries, pg->pg_priority); |
| 1709 | } |
| 1710 | } |
| 1711 | |
| 1712 | /* the entry will represent the number of COSes used */ |
| 1713 | cos_data->num_of_cos = entry; |
| 1714 | } |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1715 | static void bnx2x_dcbx_fill_cos_params(struct bnx2x *bp, |
| 1716 | struct pg_help_data *help_data, |
| 1717 | struct dcbx_ets_feature *ets, |
| 1718 | u32 *pg_pri_orginal_spread) |
| 1719 | { |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1720 | struct cos_help_data cos_data; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1721 | u8 i = 0; |
| 1722 | u32 pri_join_mask = 0; |
| 1723 | u8 num_of_dif_pri = 0; |
| 1724 | |
| 1725 | memset(&cos_data, 0, sizeof(cos_data)); |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1726 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1727 | /* Validate the pg value */ |
| 1728 | for (i = 0; i < help_data->num_of_pg ; i++) { |
| 1729 | if (DCBX_STRICT_PRIORITY != help_data->data[i].pg && |
| 1730 | DCBX_MAX_NUM_PG_BW_ENTRIES <= help_data->data[i].pg) |
| 1731 | BNX2X_ERR("Invalid pg[%d] data %x\n", i, |
| 1732 | help_data->data[i].pg); |
| 1733 | pri_join_mask |= help_data->data[i].pg_priority; |
| 1734 | num_of_dif_pri += help_data->data[i].num_of_dif_pri; |
| 1735 | } |
| 1736 | |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1737 | /* defaults */ |
| 1738 | cos_data.num_of_cos = 1; |
| 1739 | for (i = 0; i < ARRAY_SIZE(cos_data.data); i++) { |
| 1740 | cos_data.data[i].pri_join_mask = 0; |
| 1741 | cos_data.data[i].pausable = false; |
| 1742 | cos_data.data[i].strict = BNX2X_DCBX_STRICT_INVALID; |
| 1743 | cos_data.data[i].cos_bw = DCBX_INVALID_COS_BW; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1744 | } |
| 1745 | |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1746 | if (CHIP_IS_E3B0(bp)) |
| 1747 | bnx2x_dcbx_cee_fill_cos_params(bp, help_data, ets, |
| 1748 | &cos_data, pri_join_mask); |
| 1749 | else /* E2 + E3A0 */ |
| 1750 | bnx2x_dcbx_2cos_limit_cee_fill_cos_params(bp, |
| 1751 | help_data, ets, |
| 1752 | &cos_data, |
| 1753 | pg_pri_orginal_spread, |
| 1754 | pri_join_mask, |
| 1755 | num_of_dif_pri); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1756 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1757 | for (i = 0; i < cos_data.num_of_cos ; i++) { |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1758 | struct bnx2x_dcbx_cos_params *p = |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1759 | &bp->dcbx_port_params.ets.cos_params[i]; |
| 1760 | |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1761 | p->strict = cos_data.data[i].strict; |
| 1762 | p->bw_tbl = cos_data.data[i].cos_bw; |
| 1763 | p->pri_bitmask = cos_data.data[i].pri_join_mask; |
| 1764 | p->pauseable = cos_data.data[i].pausable; |
| 1765 | |
| 1766 | /* sanity */ |
| 1767 | if (p->bw_tbl != DCBX_INVALID_COS_BW || |
| 1768 | p->strict != BNX2X_DCBX_STRICT_INVALID) { |
| 1769 | if (p->pri_bitmask == 0) |
| 1770 | BNX2X_ERR("Invalid pri_bitmask for %d\n", i); |
| 1771 | |
| 1772 | if (CHIP_IS_E2(bp) || CHIP_IS_E3A0(bp)) { |
| 1773 | |
| 1774 | if (p->pauseable && |
| 1775 | DCBX_PFC_PRI_GET_NON_PAUSE(bp, |
| 1776 | p->pri_bitmask) != 0) |
| 1777 | BNX2X_ERR("Inconsistent config for " |
| 1778 | "pausable COS %d\n", i); |
| 1779 | |
| 1780 | if (!p->pauseable && |
| 1781 | DCBX_PFC_PRI_GET_PAUSE(bp, |
| 1782 | p->pri_bitmask) != 0) |
| 1783 | BNX2X_ERR("Inconsistent config for " |
| 1784 | "nonpausable COS %d\n", i); |
| 1785 | } |
| 1786 | } |
| 1787 | |
| 1788 | if (p->pauseable) |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1789 | DP(NETIF_MSG_LINK, "COS %d PAUSABLE prijoinmask 0x%x\n", |
| 1790 | i, cos_data.data[i].pri_join_mask); |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1791 | else |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1792 | DP(NETIF_MSG_LINK, "COS %d NONPAUSABLE prijoinmask " |
| 1793 | "0x%x\n", |
| 1794 | i, cos_data.data[i].pri_join_mask); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1795 | } |
| 1796 | |
| 1797 | bp->dcbx_port_params.ets.num_of_cos = cos_data.num_of_cos ; |
| 1798 | } |
| 1799 | |
| 1800 | static void bnx2x_dcbx_get_ets_pri_pg_tbl(struct bnx2x *bp, |
| 1801 | u32 *set_configuration_ets_pg, |
| 1802 | u32 *pri_pg_tbl) |
| 1803 | { |
| 1804 | int i; |
| 1805 | |
| 1806 | for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++) { |
| 1807 | set_configuration_ets_pg[i] = DCBX_PRI_PG_GET(pri_pg_tbl, i); |
| 1808 | |
| 1809 | DP(NETIF_MSG_LINK, "set_configuration_ets_pg[%d] = 0x%x\n", |
| 1810 | i, set_configuration_ets_pg[i]); |
| 1811 | } |
| 1812 | } |
| 1813 | |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 1814 | static void bnx2x_dcbx_fw_struct(struct bnx2x *bp, |
| 1815 | struct bnx2x_func_tx_start_params *pfc_fw_cfg) |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1816 | { |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1817 | u16 pri_bit = 0; |
| 1818 | u8 cos = 0, pri = 0; |
| 1819 | struct priority_cos *tt2cos; |
| 1820 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; |
| 1821 | |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 1822 | memset(pfc_fw_cfg, 0, sizeof(*pfc_fw_cfg)); |
| 1823 | |
| 1824 | /* to disable DCB - the structure must be zeroed */ |
| 1825 | if (bp->dcbx_error & DCBX_REMOTE_MIB_ERROR) |
| 1826 | return; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1827 | |
| 1828 | /*shortcut*/ |
| 1829 | tt2cos = pfc_fw_cfg->traffic_type_to_priority_cos; |
| 1830 | |
| 1831 | /* Fw version should be incremented each update */ |
| 1832 | pfc_fw_cfg->dcb_version = ++bp->dcb_version; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1833 | pfc_fw_cfg->dcb_enabled = 1; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1834 | |
| 1835 | /* Fill priority parameters */ |
| 1836 | for (pri = 0; pri < LLFC_DRIVER_TRAFFIC_TYPE_MAX; pri++) { |
| 1837 | tt2cos[pri].priority = ttp[pri]; |
| 1838 | pri_bit = 1 << tt2cos[pri].priority; |
| 1839 | |
| 1840 | /* Fill COS parameters based on COS calculated to |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1841 | * make it more general for future use */ |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1842 | for (cos = 0; cos < bp->dcbx_port_params.ets.num_of_cos; cos++) |
| 1843 | if (bp->dcbx_port_params.ets.cos_params[cos]. |
| 1844 | pri_bitmask & pri_bit) |
| 1845 | tt2cos[pri].cos = cos; |
| 1846 | } |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1847 | |
| 1848 | /* we never want the FW to add a 0 vlan tag */ |
| 1849 | pfc_fw_cfg->dont_add_pri_0_en = 1; |
| 1850 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1851 | bnx2x_dcbx_print_cos_params(bp, pfc_fw_cfg); |
| 1852 | } |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1853 | |
| 1854 | void bnx2x_dcbx_pmf_update(struct bnx2x *bp) |
| 1855 | { |
| 1856 | /* if we need to syncronize DCBX result from prev PMF |
Dmitry Kravkov | 00253a8 | 2011-11-13 04:34:25 +0000 | [diff] [blame] | 1857 | * read it from shmem and update bp and netdev accordingly |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1858 | */ |
| 1859 | if (SHMEM2_HAS(bp, drv_flags) && |
| 1860 | GET_FLAGS(SHMEM2_RD(bp, drv_flags), DRV_FLAGS_DCB_CONFIGURED)) { |
| 1861 | /* Read neg results if dcbx is in the FW */ |
| 1862 | if (bnx2x_dcbx_read_shmem_neg_results(bp)) |
| 1863 | return; |
| 1864 | |
| 1865 | bnx2x_dump_dcbx_drv_param(bp, &bp->dcbx_local_feat, |
| 1866 | bp->dcbx_error); |
| 1867 | bnx2x_get_dcbx_drv_param(bp, &bp->dcbx_local_feat, |
| 1868 | bp->dcbx_error); |
Dmitry Kravkov | 00253a8 | 2011-11-13 04:34:25 +0000 | [diff] [blame] | 1869 | #ifdef BCM_DCBNL |
| 1870 | /* |
| 1871 | * Add new app tlvs to dcbnl |
| 1872 | */ |
| 1873 | bnx2x_dcbnl_update_applist(bp, false); |
| 1874 | /* |
| 1875 | * Send a notification for the new negotiated parameters |
| 1876 | */ |
| 1877 | dcbnl_cee_notify(bp->dev, RTM_GETDCB, DCB_CMD_CEE_GET, 0, 0); |
| 1878 | #endif |
| 1879 | /* |
| 1880 | * reconfigure the netdevice with the results of the new |
| 1881 | * dcbx negotiation. |
| 1882 | */ |
| 1883 | bnx2x_dcbx_update_tc_mapping(bp); |
| 1884 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1885 | } |
| 1886 | } |
| 1887 | |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 1888 | /* DCB netlink */ |
Shmulik Ravid | 9850767 | 2011-02-28 12:19:55 -0800 | [diff] [blame] | 1889 | #ifdef BCM_DCBNL |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 1890 | |
| 1891 | #define BNX2X_DCBX_CAPS (DCB_CAP_DCBX_LLD_MANAGED | \ |
| 1892 | DCB_CAP_DCBX_VER_CEE | DCB_CAP_DCBX_STATIC) |
| 1893 | |
| 1894 | static inline bool bnx2x_dcbnl_set_valid(struct bnx2x *bp) |
| 1895 | { |
| 1896 | /* validate dcbnl call that may change HW state: |
| 1897 | * DCB is on and DCBX mode was SUCCESSFULLY set by the user. |
| 1898 | */ |
| 1899 | return bp->dcb_state && bp->dcbx_mode_uset; |
| 1900 | } |
| 1901 | |
| 1902 | static u8 bnx2x_dcbnl_get_state(struct net_device *netdev) |
| 1903 | { |
| 1904 | struct bnx2x *bp = netdev_priv(netdev); |
| 1905 | DP(NETIF_MSG_LINK, "state = %d\n", bp->dcb_state); |
| 1906 | return bp->dcb_state; |
| 1907 | } |
| 1908 | |
| 1909 | static u8 bnx2x_dcbnl_set_state(struct net_device *netdev, u8 state) |
| 1910 | { |
| 1911 | struct bnx2x *bp = netdev_priv(netdev); |
| 1912 | DP(NETIF_MSG_LINK, "state = %s\n", state ? "on" : "off"); |
| 1913 | |
| 1914 | bnx2x_dcbx_set_state(bp, (state ? true : false), bp->dcbx_enabled); |
| 1915 | return 0; |
| 1916 | } |
| 1917 | |
| 1918 | static void bnx2x_dcbnl_get_perm_hw_addr(struct net_device *netdev, |
| 1919 | u8 *perm_addr) |
| 1920 | { |
| 1921 | struct bnx2x *bp = netdev_priv(netdev); |
| 1922 | DP(NETIF_MSG_LINK, "GET-PERM-ADDR\n"); |
| 1923 | |
| 1924 | /* first the HW mac address */ |
| 1925 | memcpy(perm_addr, netdev->dev_addr, netdev->addr_len); |
| 1926 | |
| 1927 | #ifdef BCM_CNIC |
| 1928 | /* second SAN address */ |
| 1929 | memcpy(perm_addr+netdev->addr_len, bp->fip_mac, netdev->addr_len); |
| 1930 | #endif |
| 1931 | } |
| 1932 | |
| 1933 | static void bnx2x_dcbnl_set_pg_tccfg_tx(struct net_device *netdev, int prio, |
| 1934 | u8 prio_type, u8 pgid, u8 bw_pct, |
| 1935 | u8 up_map) |
| 1936 | { |
| 1937 | struct bnx2x *bp = netdev_priv(netdev); |
| 1938 | |
| 1939 | DP(NETIF_MSG_LINK, "prio[%d] = %d\n", prio, pgid); |
| 1940 | if (!bnx2x_dcbnl_set_valid(bp) || prio >= DCBX_MAX_NUM_PRI_PG_ENTRIES) |
| 1941 | return; |
| 1942 | |
| 1943 | /** |
| 1944 | * bw_pct ingnored - band-width percentage devision between user |
| 1945 | * priorities within the same group is not |
| 1946 | * standard and hence not supported |
| 1947 | * |
| 1948 | * prio_type igonred - priority levels within the same group are not |
| 1949 | * standard and hence are not supported. According |
| 1950 | * to the standard pgid 15 is dedicated to strict |
| 1951 | * prioirty traffic (on the port level). |
| 1952 | * |
| 1953 | * up_map ignored |
| 1954 | */ |
| 1955 | |
| 1956 | bp->dcbx_config_params.admin_configuration_ets_pg[prio] = pgid; |
| 1957 | bp->dcbx_config_params.admin_ets_configuration_tx_enable = 1; |
| 1958 | } |
| 1959 | |
| 1960 | static void bnx2x_dcbnl_set_pg_bwgcfg_tx(struct net_device *netdev, |
| 1961 | int pgid, u8 bw_pct) |
| 1962 | { |
| 1963 | struct bnx2x *bp = netdev_priv(netdev); |
| 1964 | DP(NETIF_MSG_LINK, "pgid[%d] = %d\n", pgid, bw_pct); |
| 1965 | |
| 1966 | if (!bnx2x_dcbnl_set_valid(bp) || pgid >= DCBX_MAX_NUM_PG_BW_ENTRIES) |
| 1967 | return; |
| 1968 | |
| 1969 | bp->dcbx_config_params.admin_configuration_bw_precentage[pgid] = bw_pct; |
| 1970 | bp->dcbx_config_params.admin_ets_configuration_tx_enable = 1; |
| 1971 | } |
| 1972 | |
| 1973 | static void bnx2x_dcbnl_set_pg_tccfg_rx(struct net_device *netdev, int prio, |
| 1974 | u8 prio_type, u8 pgid, u8 bw_pct, |
| 1975 | u8 up_map) |
| 1976 | { |
| 1977 | struct bnx2x *bp = netdev_priv(netdev); |
| 1978 | DP(NETIF_MSG_LINK, "Nothing to set; No RX support\n"); |
| 1979 | } |
| 1980 | |
| 1981 | static void bnx2x_dcbnl_set_pg_bwgcfg_rx(struct net_device *netdev, |
| 1982 | int pgid, u8 bw_pct) |
| 1983 | { |
| 1984 | struct bnx2x *bp = netdev_priv(netdev); |
| 1985 | DP(NETIF_MSG_LINK, "Nothing to set; No RX support\n"); |
| 1986 | } |
| 1987 | |
| 1988 | static void bnx2x_dcbnl_get_pg_tccfg_tx(struct net_device *netdev, int prio, |
| 1989 | u8 *prio_type, u8 *pgid, u8 *bw_pct, |
| 1990 | u8 *up_map) |
| 1991 | { |
| 1992 | struct bnx2x *bp = netdev_priv(netdev); |
| 1993 | DP(NETIF_MSG_LINK, "prio = %d\n", prio); |
| 1994 | |
| 1995 | /** |
| 1996 | * bw_pct ingnored - band-width percentage devision between user |
| 1997 | * priorities within the same group is not |
| 1998 | * standard and hence not supported |
| 1999 | * |
| 2000 | * prio_type igonred - priority levels within the same group are not |
| 2001 | * standard and hence are not supported. According |
| 2002 | * to the standard pgid 15 is dedicated to strict |
| 2003 | * prioirty traffic (on the port level). |
| 2004 | * |
| 2005 | * up_map ignored |
| 2006 | */ |
| 2007 | *up_map = *bw_pct = *prio_type = *pgid = 0; |
| 2008 | |
| 2009 | if (!bp->dcb_state || prio >= DCBX_MAX_NUM_PRI_PG_ENTRIES) |
| 2010 | return; |
| 2011 | |
| 2012 | *pgid = DCBX_PRI_PG_GET(bp->dcbx_local_feat.ets.pri_pg_tbl, prio); |
| 2013 | } |
| 2014 | |
| 2015 | static void bnx2x_dcbnl_get_pg_bwgcfg_tx(struct net_device *netdev, |
| 2016 | int pgid, u8 *bw_pct) |
| 2017 | { |
| 2018 | struct bnx2x *bp = netdev_priv(netdev); |
| 2019 | DP(NETIF_MSG_LINK, "pgid = %d\n", pgid); |
| 2020 | |
| 2021 | *bw_pct = 0; |
| 2022 | |
| 2023 | if (!bp->dcb_state || pgid >= DCBX_MAX_NUM_PG_BW_ENTRIES) |
| 2024 | return; |
| 2025 | |
| 2026 | *bw_pct = DCBX_PG_BW_GET(bp->dcbx_local_feat.ets.pg_bw_tbl, pgid); |
| 2027 | } |
| 2028 | |
| 2029 | static void bnx2x_dcbnl_get_pg_tccfg_rx(struct net_device *netdev, int prio, |
| 2030 | u8 *prio_type, u8 *pgid, u8 *bw_pct, |
| 2031 | u8 *up_map) |
| 2032 | { |
| 2033 | struct bnx2x *bp = netdev_priv(netdev); |
| 2034 | DP(NETIF_MSG_LINK, "Nothing to get; No RX support\n"); |
| 2035 | |
| 2036 | *prio_type = *pgid = *bw_pct = *up_map = 0; |
| 2037 | } |
| 2038 | |
| 2039 | static void bnx2x_dcbnl_get_pg_bwgcfg_rx(struct net_device *netdev, |
| 2040 | int pgid, u8 *bw_pct) |
| 2041 | { |
| 2042 | struct bnx2x *bp = netdev_priv(netdev); |
| 2043 | DP(NETIF_MSG_LINK, "Nothing to get; No RX support\n"); |
| 2044 | |
| 2045 | *bw_pct = 0; |
| 2046 | } |
| 2047 | |
| 2048 | static void bnx2x_dcbnl_set_pfc_cfg(struct net_device *netdev, int prio, |
| 2049 | u8 setting) |
| 2050 | { |
| 2051 | struct bnx2x *bp = netdev_priv(netdev); |
| 2052 | DP(NETIF_MSG_LINK, "prio[%d] = %d\n", prio, setting); |
| 2053 | |
| 2054 | if (!bnx2x_dcbnl_set_valid(bp) || prio >= MAX_PFC_PRIORITIES) |
| 2055 | return; |
| 2056 | |
| 2057 | bp->dcbx_config_params.admin_pfc_bitmap |= ((setting ? 1 : 0) << prio); |
| 2058 | |
| 2059 | if (setting) |
| 2060 | bp->dcbx_config_params.admin_pfc_tx_enable = 1; |
| 2061 | } |
| 2062 | |
| 2063 | static void bnx2x_dcbnl_get_pfc_cfg(struct net_device *netdev, int prio, |
| 2064 | u8 *setting) |
| 2065 | { |
| 2066 | struct bnx2x *bp = netdev_priv(netdev); |
| 2067 | DP(NETIF_MSG_LINK, "prio = %d\n", prio); |
| 2068 | |
| 2069 | *setting = 0; |
| 2070 | |
| 2071 | if (!bp->dcb_state || prio >= MAX_PFC_PRIORITIES) |
| 2072 | return; |
| 2073 | |
| 2074 | *setting = (bp->dcbx_local_feat.pfc.pri_en_bitmap >> prio) & 0x1; |
| 2075 | } |
| 2076 | |
| 2077 | static u8 bnx2x_dcbnl_set_all(struct net_device *netdev) |
| 2078 | { |
| 2079 | struct bnx2x *bp = netdev_priv(netdev); |
| 2080 | int rc = 0; |
| 2081 | |
| 2082 | DP(NETIF_MSG_LINK, "SET-ALL\n"); |
| 2083 | |
| 2084 | if (!bnx2x_dcbnl_set_valid(bp)) |
| 2085 | return 1; |
| 2086 | |
| 2087 | if (bp->recovery_state != BNX2X_RECOVERY_DONE) { |
| 2088 | netdev_err(bp->dev, "Handling parity error recovery. " |
| 2089 | "Try again later\n"); |
| 2090 | return 1; |
| 2091 | } |
| 2092 | if (netif_running(bp->dev)) { |
| 2093 | bnx2x_nic_unload(bp, UNLOAD_NORMAL); |
| 2094 | rc = bnx2x_nic_load(bp, LOAD_NORMAL); |
| 2095 | } |
| 2096 | DP(NETIF_MSG_LINK, "set_dcbx_params done (%d)\n", rc); |
| 2097 | if (rc) |
| 2098 | return 1; |
| 2099 | |
| 2100 | return 0; |
| 2101 | } |
| 2102 | |
| 2103 | static u8 bnx2x_dcbnl_get_cap(struct net_device *netdev, int capid, u8 *cap) |
| 2104 | { |
| 2105 | struct bnx2x *bp = netdev_priv(netdev); |
| 2106 | u8 rval = 0; |
| 2107 | |
| 2108 | if (bp->dcb_state) { |
| 2109 | switch (capid) { |
| 2110 | case DCB_CAP_ATTR_PG: |
| 2111 | *cap = true; |
| 2112 | break; |
| 2113 | case DCB_CAP_ATTR_PFC: |
| 2114 | *cap = true; |
| 2115 | break; |
| 2116 | case DCB_CAP_ATTR_UP2TC: |
| 2117 | *cap = false; |
| 2118 | break; |
| 2119 | case DCB_CAP_ATTR_PG_TCS: |
| 2120 | *cap = 0x80; /* 8 priorities for PGs */ |
| 2121 | break; |
| 2122 | case DCB_CAP_ATTR_PFC_TCS: |
| 2123 | *cap = 0x80; /* 8 priorities for PFC */ |
| 2124 | break; |
| 2125 | case DCB_CAP_ATTR_GSP: |
| 2126 | *cap = true; |
| 2127 | break; |
| 2128 | case DCB_CAP_ATTR_BCN: |
| 2129 | *cap = false; |
| 2130 | break; |
| 2131 | case DCB_CAP_ATTR_DCBX: |
| 2132 | *cap = BNX2X_DCBX_CAPS; |
David S. Miller | 88c5100 | 2011-10-07 13:38:43 -0400 | [diff] [blame] | 2133 | break; |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 2134 | default: |
| 2135 | rval = -EINVAL; |
| 2136 | break; |
| 2137 | } |
| 2138 | } else |
| 2139 | rval = -EINVAL; |
| 2140 | |
| 2141 | DP(NETIF_MSG_LINK, "capid %d:%x\n", capid, *cap); |
| 2142 | return rval; |
| 2143 | } |
| 2144 | |
| 2145 | static u8 bnx2x_dcbnl_get_numtcs(struct net_device *netdev, int tcid, u8 *num) |
| 2146 | { |
| 2147 | struct bnx2x *bp = netdev_priv(netdev); |
| 2148 | u8 rval = 0; |
| 2149 | |
| 2150 | DP(NETIF_MSG_LINK, "tcid %d\n", tcid); |
| 2151 | |
| 2152 | if (bp->dcb_state) { |
| 2153 | switch (tcid) { |
| 2154 | case DCB_NUMTCS_ATTR_PG: |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 2155 | *num = CHIP_IS_E3B0(bp) ? DCBX_COS_MAX_NUM_E3B0 : |
| 2156 | DCBX_COS_MAX_NUM_E2; |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 2157 | break; |
| 2158 | case DCB_NUMTCS_ATTR_PFC: |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 2159 | *num = CHIP_IS_E3B0(bp) ? DCBX_COS_MAX_NUM_E3B0 : |
| 2160 | DCBX_COS_MAX_NUM_E2; |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 2161 | break; |
| 2162 | default: |
| 2163 | rval = -EINVAL; |
| 2164 | break; |
| 2165 | } |
| 2166 | } else |
| 2167 | rval = -EINVAL; |
| 2168 | |
| 2169 | return rval; |
| 2170 | } |
| 2171 | |
| 2172 | static u8 bnx2x_dcbnl_set_numtcs(struct net_device *netdev, int tcid, u8 num) |
| 2173 | { |
| 2174 | struct bnx2x *bp = netdev_priv(netdev); |
| 2175 | DP(NETIF_MSG_LINK, "num tcs = %d; Not supported\n", num); |
| 2176 | return -EINVAL; |
| 2177 | } |
| 2178 | |
| 2179 | static u8 bnx2x_dcbnl_get_pfc_state(struct net_device *netdev) |
| 2180 | { |
| 2181 | struct bnx2x *bp = netdev_priv(netdev); |
| 2182 | DP(NETIF_MSG_LINK, "state = %d\n", bp->dcbx_local_feat.pfc.enabled); |
| 2183 | |
| 2184 | if (!bp->dcb_state) |
| 2185 | return 0; |
| 2186 | |
| 2187 | return bp->dcbx_local_feat.pfc.enabled; |
| 2188 | } |
| 2189 | |
| 2190 | static void bnx2x_dcbnl_set_pfc_state(struct net_device *netdev, u8 state) |
| 2191 | { |
| 2192 | struct bnx2x *bp = netdev_priv(netdev); |
| 2193 | DP(NETIF_MSG_LINK, "state = %s\n", state ? "on" : "off"); |
| 2194 | |
| 2195 | if (!bnx2x_dcbnl_set_valid(bp)) |
| 2196 | return; |
| 2197 | |
| 2198 | bp->dcbx_config_params.admin_pfc_tx_enable = |
| 2199 | bp->dcbx_config_params.admin_pfc_enable = (state ? 1 : 0); |
| 2200 | } |
| 2201 | |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 2202 | static void bnx2x_admin_app_set_ent( |
| 2203 | struct bnx2x_admin_priority_app_table *app_ent, |
| 2204 | u8 idtype, u16 idval, u8 up) |
| 2205 | { |
| 2206 | app_ent->valid = 1; |
| 2207 | |
| 2208 | switch (idtype) { |
| 2209 | case DCB_APP_IDTYPE_ETHTYPE: |
| 2210 | app_ent->traffic_type = TRAFFIC_TYPE_ETH; |
| 2211 | break; |
| 2212 | case DCB_APP_IDTYPE_PORTNUM: |
| 2213 | app_ent->traffic_type = TRAFFIC_TYPE_PORT; |
| 2214 | break; |
| 2215 | default: |
| 2216 | break; /* never gets here */ |
| 2217 | } |
| 2218 | app_ent->app_id = idval; |
| 2219 | app_ent->priority = up; |
| 2220 | } |
| 2221 | |
| 2222 | static bool bnx2x_admin_app_is_equal( |
| 2223 | struct bnx2x_admin_priority_app_table *app_ent, |
| 2224 | u8 idtype, u16 idval) |
| 2225 | { |
| 2226 | if (!app_ent->valid) |
| 2227 | return false; |
| 2228 | |
| 2229 | switch (idtype) { |
| 2230 | case DCB_APP_IDTYPE_ETHTYPE: |
| 2231 | if (app_ent->traffic_type != TRAFFIC_TYPE_ETH) |
| 2232 | return false; |
| 2233 | break; |
| 2234 | case DCB_APP_IDTYPE_PORTNUM: |
| 2235 | if (app_ent->traffic_type != TRAFFIC_TYPE_PORT) |
| 2236 | return false; |
| 2237 | break; |
| 2238 | default: |
| 2239 | return false; |
| 2240 | } |
| 2241 | if (app_ent->app_id != idval) |
| 2242 | return false; |
| 2243 | |
| 2244 | return true; |
| 2245 | } |
| 2246 | |
| 2247 | static int bnx2x_set_admin_app_up(struct bnx2x *bp, u8 idtype, u16 idval, u8 up) |
| 2248 | { |
| 2249 | int i, ff; |
| 2250 | |
| 2251 | /* iterate over the app entries looking for idtype and idval */ |
Dmitry Kravkov | f9c058b | 2011-11-13 04:34:26 +0000 | [diff] [blame] | 2252 | for (i = 0, ff = -1; i < DCBX_CONFIG_MAX_APP_PROTOCOL; i++) { |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 2253 | struct bnx2x_admin_priority_app_table *app_ent = |
| 2254 | &bp->dcbx_config_params.admin_priority_app_table[i]; |
| 2255 | if (bnx2x_admin_app_is_equal(app_ent, idtype, idval)) |
| 2256 | break; |
| 2257 | |
| 2258 | if (ff < 0 && !app_ent->valid) |
| 2259 | ff = i; |
| 2260 | } |
Dmitry Kravkov | f9c058b | 2011-11-13 04:34:26 +0000 | [diff] [blame] | 2261 | if (i < DCBX_CONFIG_MAX_APP_PROTOCOL) |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 2262 | /* if found overwrite up */ |
| 2263 | bp->dcbx_config_params. |
| 2264 | admin_priority_app_table[i].priority = up; |
| 2265 | else if (ff >= 0) |
| 2266 | /* not found use first-free */ |
| 2267 | bnx2x_admin_app_set_ent( |
| 2268 | &bp->dcbx_config_params.admin_priority_app_table[ff], |
| 2269 | idtype, idval, up); |
| 2270 | else |
| 2271 | /* app table is full */ |
| 2272 | return -EBUSY; |
| 2273 | |
| 2274 | /* up configured, if not 0 make sure feature is enabled */ |
| 2275 | if (up) |
| 2276 | bp->dcbx_config_params.admin_application_priority_tx_enable = 1; |
| 2277 | |
| 2278 | return 0; |
| 2279 | } |
| 2280 | |
| 2281 | static u8 bnx2x_dcbnl_set_app_up(struct net_device *netdev, u8 idtype, |
| 2282 | u16 idval, u8 up) |
| 2283 | { |
| 2284 | struct bnx2x *bp = netdev_priv(netdev); |
| 2285 | |
| 2286 | DP(NETIF_MSG_LINK, "app_type %d, app_id %x, prio bitmap %d\n", |
| 2287 | idtype, idval, up); |
| 2288 | |
| 2289 | if (!bnx2x_dcbnl_set_valid(bp)) |
| 2290 | return -EINVAL; |
| 2291 | |
| 2292 | /* verify idtype */ |
| 2293 | switch (idtype) { |
| 2294 | case DCB_APP_IDTYPE_ETHTYPE: |
| 2295 | case DCB_APP_IDTYPE_PORTNUM: |
| 2296 | break; |
| 2297 | default: |
| 2298 | return -EINVAL; |
| 2299 | } |
| 2300 | return bnx2x_set_admin_app_up(bp, idtype, idval, up); |
| 2301 | } |
| 2302 | |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 2303 | static u8 bnx2x_dcbnl_get_dcbx(struct net_device *netdev) |
| 2304 | { |
| 2305 | struct bnx2x *bp = netdev_priv(netdev); |
| 2306 | u8 state; |
| 2307 | |
| 2308 | state = DCB_CAP_DCBX_LLD_MANAGED | DCB_CAP_DCBX_VER_CEE; |
| 2309 | |
| 2310 | if (bp->dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_OFF) |
| 2311 | state |= DCB_CAP_DCBX_STATIC; |
| 2312 | |
| 2313 | return state; |
| 2314 | } |
| 2315 | |
| 2316 | static u8 bnx2x_dcbnl_set_dcbx(struct net_device *netdev, u8 state) |
| 2317 | { |
| 2318 | struct bnx2x *bp = netdev_priv(netdev); |
| 2319 | DP(NETIF_MSG_LINK, "state = %02x\n", state); |
| 2320 | |
| 2321 | /* set dcbx mode */ |
| 2322 | |
| 2323 | if ((state & BNX2X_DCBX_CAPS) != state) { |
| 2324 | BNX2X_ERR("Requested DCBX mode %x is beyond advertised " |
| 2325 | "capabilities\n", state); |
| 2326 | return 1; |
| 2327 | } |
| 2328 | |
| 2329 | if (bp->dcb_state != BNX2X_DCB_STATE_ON) { |
| 2330 | BNX2X_ERR("DCB turned off, DCBX configuration is invalid\n"); |
| 2331 | return 1; |
| 2332 | } |
| 2333 | |
| 2334 | if (state & DCB_CAP_DCBX_STATIC) |
| 2335 | bp->dcbx_enabled = BNX2X_DCBX_ENABLED_ON_NEG_OFF; |
| 2336 | else |
| 2337 | bp->dcbx_enabled = BNX2X_DCBX_ENABLED_ON_NEG_ON; |
| 2338 | |
| 2339 | bp->dcbx_mode_uset = true; |
| 2340 | return 0; |
| 2341 | } |
| 2342 | |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 2343 | static u8 bnx2x_dcbnl_get_featcfg(struct net_device *netdev, int featid, |
| 2344 | u8 *flags) |
| 2345 | { |
| 2346 | struct bnx2x *bp = netdev_priv(netdev); |
| 2347 | u8 rval = 0; |
| 2348 | |
| 2349 | DP(NETIF_MSG_LINK, "featid %d\n", featid); |
| 2350 | |
| 2351 | if (bp->dcb_state) { |
| 2352 | *flags = 0; |
| 2353 | switch (featid) { |
| 2354 | case DCB_FEATCFG_ATTR_PG: |
| 2355 | if (bp->dcbx_local_feat.ets.enabled) |
| 2356 | *flags |= DCB_FEATCFG_ENABLE; |
| 2357 | if (bp->dcbx_error & DCBX_LOCAL_ETS_ERROR) |
| 2358 | *flags |= DCB_FEATCFG_ERROR; |
| 2359 | break; |
| 2360 | case DCB_FEATCFG_ATTR_PFC: |
| 2361 | if (bp->dcbx_local_feat.pfc.enabled) |
| 2362 | *flags |= DCB_FEATCFG_ENABLE; |
| 2363 | if (bp->dcbx_error & (DCBX_LOCAL_PFC_ERROR | |
| 2364 | DCBX_LOCAL_PFC_MISMATCH)) |
| 2365 | *flags |= DCB_FEATCFG_ERROR; |
| 2366 | break; |
| 2367 | case DCB_FEATCFG_ATTR_APP: |
| 2368 | if (bp->dcbx_local_feat.app.enabled) |
| 2369 | *flags |= DCB_FEATCFG_ENABLE; |
| 2370 | if (bp->dcbx_error & (DCBX_LOCAL_APP_ERROR | |
| 2371 | DCBX_LOCAL_APP_MISMATCH)) |
| 2372 | *flags |= DCB_FEATCFG_ERROR; |
| 2373 | break; |
| 2374 | default: |
| 2375 | rval = -EINVAL; |
| 2376 | break; |
| 2377 | } |
| 2378 | } else |
| 2379 | rval = -EINVAL; |
| 2380 | |
| 2381 | return rval; |
| 2382 | } |
| 2383 | |
| 2384 | static u8 bnx2x_dcbnl_set_featcfg(struct net_device *netdev, int featid, |
| 2385 | u8 flags) |
| 2386 | { |
| 2387 | struct bnx2x *bp = netdev_priv(netdev); |
| 2388 | u8 rval = 0; |
| 2389 | |
| 2390 | DP(NETIF_MSG_LINK, "featid = %d flags = %02x\n", featid, flags); |
| 2391 | |
| 2392 | /* ignore the 'advertise' flag */ |
| 2393 | if (bnx2x_dcbnl_set_valid(bp)) { |
| 2394 | switch (featid) { |
| 2395 | case DCB_FEATCFG_ATTR_PG: |
| 2396 | bp->dcbx_config_params.admin_ets_enable = |
| 2397 | flags & DCB_FEATCFG_ENABLE ? 1 : 0; |
| 2398 | bp->dcbx_config_params.admin_ets_willing = |
| 2399 | flags & DCB_FEATCFG_WILLING ? 1 : 0; |
| 2400 | break; |
| 2401 | case DCB_FEATCFG_ATTR_PFC: |
| 2402 | bp->dcbx_config_params.admin_pfc_enable = |
| 2403 | flags & DCB_FEATCFG_ENABLE ? 1 : 0; |
| 2404 | bp->dcbx_config_params.admin_pfc_willing = |
| 2405 | flags & DCB_FEATCFG_WILLING ? 1 : 0; |
| 2406 | break; |
| 2407 | case DCB_FEATCFG_ATTR_APP: |
| 2408 | /* ignore enable, always enabled */ |
| 2409 | bp->dcbx_config_params.admin_app_priority_willing = |
| 2410 | flags & DCB_FEATCFG_WILLING ? 1 : 0; |
| 2411 | break; |
| 2412 | default: |
| 2413 | rval = -EINVAL; |
| 2414 | break; |
| 2415 | } |
| 2416 | } else |
| 2417 | rval = -EINVAL; |
| 2418 | |
| 2419 | return rval; |
| 2420 | } |
| 2421 | |
Shmulik Ravid | 0be6bc6 | 2011-05-18 02:55:31 +0000 | [diff] [blame] | 2422 | static int bnx2x_peer_appinfo(struct net_device *netdev, |
| 2423 | struct dcb_peer_app_info *info, u16* app_count) |
| 2424 | { |
| 2425 | int i; |
| 2426 | struct bnx2x *bp = netdev_priv(netdev); |
| 2427 | |
| 2428 | DP(NETIF_MSG_LINK, "APP-INFO\n"); |
| 2429 | |
| 2430 | info->willing = (bp->dcbx_remote_flags & DCBX_APP_REM_WILLING) ?: 0; |
| 2431 | info->error = (bp->dcbx_remote_flags & DCBX_APP_RX_ERROR) ?: 0; |
| 2432 | *app_count = 0; |
| 2433 | |
| 2434 | for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) |
| 2435 | if (bp->dcbx_remote_feat.app.app_pri_tbl[i].appBitfield & |
| 2436 | DCBX_APP_ENTRY_VALID) |
| 2437 | (*app_count)++; |
| 2438 | return 0; |
| 2439 | } |
| 2440 | |
| 2441 | static int bnx2x_peer_apptable(struct net_device *netdev, |
| 2442 | struct dcb_app *table) |
| 2443 | { |
| 2444 | int i, j; |
| 2445 | struct bnx2x *bp = netdev_priv(netdev); |
| 2446 | |
| 2447 | DP(NETIF_MSG_LINK, "APP-TABLE\n"); |
| 2448 | |
| 2449 | for (i = 0, j = 0; i < DCBX_MAX_APP_PROTOCOL; i++) { |
| 2450 | struct dcbx_app_priority_entry *ent = |
| 2451 | &bp->dcbx_remote_feat.app.app_pri_tbl[i]; |
| 2452 | |
| 2453 | if (ent->appBitfield & DCBX_APP_ENTRY_VALID) { |
| 2454 | table[j].selector = bnx2x_dcbx_dcbnl_app_idtype(ent); |
| 2455 | table[j].priority = bnx2x_dcbx_dcbnl_app_up(ent); |
| 2456 | table[j++].protocol = ent->app_id; |
| 2457 | } |
| 2458 | } |
| 2459 | return 0; |
| 2460 | } |
| 2461 | |
| 2462 | static int bnx2x_cee_peer_getpg(struct net_device *netdev, struct cee_pg *pg) |
| 2463 | { |
| 2464 | int i; |
| 2465 | struct bnx2x *bp = netdev_priv(netdev); |
| 2466 | |
| 2467 | pg->willing = (bp->dcbx_remote_flags & DCBX_ETS_REM_WILLING) ?: 0; |
| 2468 | |
| 2469 | for (i = 0; i < CEE_DCBX_MAX_PGS; i++) { |
| 2470 | pg->pg_bw[i] = |
| 2471 | DCBX_PG_BW_GET(bp->dcbx_remote_feat.ets.pg_bw_tbl, i); |
| 2472 | pg->prio_pg[i] = |
| 2473 | DCBX_PRI_PG_GET(bp->dcbx_remote_feat.ets.pri_pg_tbl, i); |
| 2474 | } |
| 2475 | return 0; |
| 2476 | } |
| 2477 | |
| 2478 | static int bnx2x_cee_peer_getpfc(struct net_device *netdev, |
| 2479 | struct cee_pfc *pfc) |
| 2480 | { |
| 2481 | struct bnx2x *bp = netdev_priv(netdev); |
| 2482 | pfc->tcs_supported = bp->dcbx_remote_feat.pfc.pfc_caps; |
| 2483 | pfc->pfc_en = bp->dcbx_remote_feat.pfc.pri_en_bitmap; |
| 2484 | return 0; |
| 2485 | } |
| 2486 | |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 2487 | const struct dcbnl_rtnl_ops bnx2x_dcbnl_ops = { |
Shmulik Ravid | 0be6bc6 | 2011-05-18 02:55:31 +0000 | [diff] [blame] | 2488 | .getstate = bnx2x_dcbnl_get_state, |
| 2489 | .setstate = bnx2x_dcbnl_set_state, |
| 2490 | .getpermhwaddr = bnx2x_dcbnl_get_perm_hw_addr, |
| 2491 | .setpgtccfgtx = bnx2x_dcbnl_set_pg_tccfg_tx, |
| 2492 | .setpgbwgcfgtx = bnx2x_dcbnl_set_pg_bwgcfg_tx, |
| 2493 | .setpgtccfgrx = bnx2x_dcbnl_set_pg_tccfg_rx, |
| 2494 | .setpgbwgcfgrx = bnx2x_dcbnl_set_pg_bwgcfg_rx, |
| 2495 | .getpgtccfgtx = bnx2x_dcbnl_get_pg_tccfg_tx, |
| 2496 | .getpgbwgcfgtx = bnx2x_dcbnl_get_pg_bwgcfg_tx, |
| 2497 | .getpgtccfgrx = bnx2x_dcbnl_get_pg_tccfg_rx, |
| 2498 | .getpgbwgcfgrx = bnx2x_dcbnl_get_pg_bwgcfg_rx, |
| 2499 | .setpfccfg = bnx2x_dcbnl_set_pfc_cfg, |
| 2500 | .getpfccfg = bnx2x_dcbnl_get_pfc_cfg, |
| 2501 | .setall = bnx2x_dcbnl_set_all, |
| 2502 | .getcap = bnx2x_dcbnl_get_cap, |
| 2503 | .getnumtcs = bnx2x_dcbnl_get_numtcs, |
| 2504 | .setnumtcs = bnx2x_dcbnl_set_numtcs, |
| 2505 | .getpfcstate = bnx2x_dcbnl_get_pfc_state, |
| 2506 | .setpfcstate = bnx2x_dcbnl_set_pfc_state, |
| 2507 | .setapp = bnx2x_dcbnl_set_app_up, |
| 2508 | .getdcbx = bnx2x_dcbnl_get_dcbx, |
| 2509 | .setdcbx = bnx2x_dcbnl_set_dcbx, |
| 2510 | .getfeatcfg = bnx2x_dcbnl_get_featcfg, |
| 2511 | .setfeatcfg = bnx2x_dcbnl_set_featcfg, |
| 2512 | .peer_getappinfo = bnx2x_peer_appinfo, |
| 2513 | .peer_getapptable = bnx2x_peer_apptable, |
| 2514 | .cee_peer_getpg = bnx2x_cee_peer_getpg, |
| 2515 | .cee_peer_getpfc = bnx2x_cee_peer_getpfc, |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 2516 | }; |
| 2517 | |
Shmulik Ravid | 9850767 | 2011-02-28 12:19:55 -0800 | [diff] [blame] | 2518 | #endif /* BCM_DCBNL */ |