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 | */ |
| 19 | #include <linux/netdevice.h> |
| 20 | #include <linux/types.h> |
| 21 | #include <linux/errno.h> |
Dmitry Kravkov | 09b775e | 2011-07-24 04:09:43 +0000 | [diff] [blame] | 22 | #include <linux/rtnetlink.h> |
| 23 | #include <net/dcbnl.h> |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 24 | |
| 25 | #include "bnx2x.h" |
| 26 | #include "bnx2x_cmn.h" |
| 27 | #include "bnx2x_dcb.h" |
| 28 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 29 | /* forward declarations of dcbx related functions */ |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 30 | static int bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 31 | static void bnx2x_pfc_set_pfc(struct bnx2x *bp); |
| 32 | static void bnx2x_dcbx_update_ets_params(struct bnx2x *bp); |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 33 | static int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 34 | static void bnx2x_dcbx_get_ets_pri_pg_tbl(struct bnx2x *bp, |
| 35 | u32 *set_configuration_ets_pg, |
| 36 | u32 *pri_pg_tbl); |
| 37 | static void bnx2x_dcbx_get_num_pg_traf_type(struct bnx2x *bp, |
| 38 | u32 *pg_pri_orginal_spread, |
| 39 | struct pg_help_data *help_data); |
| 40 | static void bnx2x_dcbx_fill_cos_params(struct bnx2x *bp, |
| 41 | struct pg_help_data *help_data, |
| 42 | struct dcbx_ets_feature *ets, |
| 43 | u32 *pg_pri_orginal_spread); |
| 44 | static void bnx2x_dcbx_separate_pauseable_from_non(struct bnx2x *bp, |
| 45 | struct cos_help_data *cos_data, |
| 46 | u32 *pg_pri_orginal_spread, |
| 47 | struct dcbx_ets_feature *ets); |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 48 | static void bnx2x_dcbx_fw_struct(struct bnx2x *bp, |
| 49 | struct bnx2x_func_tx_start_params*); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 50 | |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 51 | /* helpers: read/write len bytes from addr into buff by REG_RD/REG_WR */ |
| 52 | static void bnx2x_read_data(struct bnx2x *bp, u32 *buff, |
| 53 | u32 addr, u32 len) |
| 54 | { |
| 55 | int i; |
| 56 | for (i = 0; i < len; i += 4, buff++) |
| 57 | *buff = REG_RD(bp, addr + i); |
| 58 | } |
| 59 | |
| 60 | static void bnx2x_write_data(struct bnx2x *bp, u32 *buff, |
| 61 | u32 addr, u32 len) |
| 62 | { |
| 63 | int i; |
| 64 | for (i = 0; i < len; i += 4, buff++) |
| 65 | REG_WR(bp, addr + i, *buff); |
| 66 | } |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 67 | |
| 68 | static void bnx2x_pfc_set(struct bnx2x *bp) |
| 69 | { |
| 70 | struct bnx2x_nig_brb_pfc_port_params pfc_params = {0}; |
| 71 | u32 pri_bit, val = 0; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 72 | int i; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 73 | |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 74 | pfc_params.num_of_rx_cos_priority_mask = |
| 75 | bp->dcbx_port_params.ets.num_of_cos; |
| 76 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 77 | /* Tx COS configuration */ |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 78 | 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] | 79 | /* |
| 80 | * We configure only the pauseable bits (non pauseable aren't |
| 81 | * configured at all) it's done to avoid false pauses from |
| 82 | * network |
| 83 | */ |
| 84 | pfc_params.rx_cos_priority_mask[i] = |
| 85 | bp->dcbx_port_params.ets.cos_params[i].pri_bitmask |
| 86 | & DCBX_PFC_PRI_PAUSE_MASK(bp); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 87 | |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 88 | /* |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 89 | * Rx COS configuration |
| 90 | * Changing PFC RX configuration . |
| 91 | * In RX COS0 will always be configured to lossy and COS1 to lossless |
| 92 | */ |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 93 | for (i = 0 ; i < MAX_PFC_PRIORITIES ; i++) { |
| 94 | pri_bit = 1 << i; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 95 | |
| 96 | if (pri_bit & DCBX_PFC_PRI_PAUSE_MASK(bp)) |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 97 | val |= 1 << (i * 4); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 98 | } |
| 99 | |
| 100 | pfc_params.pkt_priority_to_cos = val; |
| 101 | |
| 102 | /* RX COS0 */ |
| 103 | pfc_params.llfc_low_priority_classes = 0; |
| 104 | /* RX COS1 */ |
| 105 | pfc_params.llfc_high_priority_classes = DCBX_PFC_PRI_PAUSE_MASK(bp); |
| 106 | |
| 107 | /* BRB configuration */ |
| 108 | pfc_params.cos0_pauseable = false; |
| 109 | pfc_params.cos1_pauseable = true; |
| 110 | |
| 111 | bnx2x_acquire_phy_lock(bp); |
| 112 | bp->link_params.feature_config_flags |= FEATURE_CONFIG_PFC_ENABLED; |
| 113 | bnx2x_update_pfc(&bp->link_params, &bp->link_vars, &pfc_params); |
| 114 | bnx2x_release_phy_lock(bp); |
| 115 | } |
| 116 | |
| 117 | static void bnx2x_pfc_clear(struct bnx2x *bp) |
| 118 | { |
| 119 | struct bnx2x_nig_brb_pfc_port_params nig_params = {0}; |
| 120 | nig_params.pause_enable = 1; |
| 121 | #ifdef BNX2X_SAFC |
| 122 | if (bp->flags & SAFC_TX_FLAG) { |
| 123 | u32 high = 0, low = 0; |
| 124 | int i; |
| 125 | |
| 126 | for (i = 0; i < BNX2X_MAX_PRIORITY; i++) { |
| 127 | if (bp->pri_map[i] == 1) |
| 128 | high |= (1 << i); |
| 129 | if (bp->pri_map[i] == 0) |
| 130 | low |= (1 << i); |
| 131 | } |
| 132 | |
| 133 | nig_params.llfc_low_priority_classes = high; |
| 134 | nig_params.llfc_low_priority_classes = low; |
| 135 | |
| 136 | nig_params.pause_enable = 0; |
| 137 | nig_params.llfc_enable = 1; |
| 138 | nig_params.llfc_out_en = 1; |
| 139 | } |
| 140 | #endif /* BNX2X_SAFC */ |
| 141 | bnx2x_acquire_phy_lock(bp); |
| 142 | bp->link_params.feature_config_flags &= ~FEATURE_CONFIG_PFC_ENABLED; |
| 143 | bnx2x_update_pfc(&bp->link_params, &bp->link_vars, &nig_params); |
| 144 | bnx2x_release_phy_lock(bp); |
| 145 | } |
| 146 | |
| 147 | static void bnx2x_dump_dcbx_drv_param(struct bnx2x *bp, |
| 148 | struct dcbx_features *features, |
| 149 | u32 error) |
| 150 | { |
| 151 | u8 i = 0; |
| 152 | DP(NETIF_MSG_LINK, "local_mib.error %x\n", error); |
| 153 | |
| 154 | /* PG */ |
| 155 | DP(NETIF_MSG_LINK, |
| 156 | "local_mib.features.ets.enabled %x\n", features->ets.enabled); |
| 157 | for (i = 0; i < DCBX_MAX_NUM_PG_BW_ENTRIES; i++) |
| 158 | DP(NETIF_MSG_LINK, |
| 159 | "local_mib.features.ets.pg_bw_tbl[%d] %d\n", i, |
| 160 | DCBX_PG_BW_GET(features->ets.pg_bw_tbl, i)); |
| 161 | for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++) |
| 162 | DP(NETIF_MSG_LINK, |
| 163 | "local_mib.features.ets.pri_pg_tbl[%d] %d\n", i, |
| 164 | DCBX_PRI_PG_GET(features->ets.pri_pg_tbl, i)); |
| 165 | |
| 166 | /* pfc */ |
| 167 | DP(NETIF_MSG_LINK, "dcbx_features.pfc.pri_en_bitmap %x\n", |
| 168 | features->pfc.pri_en_bitmap); |
| 169 | DP(NETIF_MSG_LINK, "dcbx_features.pfc.pfc_caps %x\n", |
| 170 | features->pfc.pfc_caps); |
| 171 | DP(NETIF_MSG_LINK, "dcbx_features.pfc.enabled %x\n", |
| 172 | features->pfc.enabled); |
| 173 | |
| 174 | DP(NETIF_MSG_LINK, "dcbx_features.app.default_pri %x\n", |
| 175 | features->app.default_pri); |
| 176 | DP(NETIF_MSG_LINK, "dcbx_features.app.tc_supported %x\n", |
| 177 | features->app.tc_supported); |
| 178 | DP(NETIF_MSG_LINK, "dcbx_features.app.enabled %x\n", |
| 179 | features->app.enabled); |
| 180 | for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) { |
| 181 | DP(NETIF_MSG_LINK, |
| 182 | "dcbx_features.app.app_pri_tbl[%x].app_id %x\n", |
| 183 | i, features->app.app_pri_tbl[i].app_id); |
| 184 | DP(NETIF_MSG_LINK, |
| 185 | "dcbx_features.app.app_pri_tbl[%x].pri_bitmap %x\n", |
| 186 | i, features->app.app_pri_tbl[i].pri_bitmap); |
| 187 | DP(NETIF_MSG_LINK, |
| 188 | "dcbx_features.app.app_pri_tbl[%x].appBitfield %x\n", |
| 189 | i, features->app.app_pri_tbl[i].appBitfield); |
| 190 | } |
| 191 | } |
| 192 | |
| 193 | static void bnx2x_dcbx_get_ap_priority(struct bnx2x *bp, |
| 194 | u8 pri_bitmap, |
| 195 | u8 llfc_traf_type) |
| 196 | { |
| 197 | u32 pri = MAX_PFC_PRIORITIES; |
| 198 | u32 index = MAX_PFC_PRIORITIES - 1; |
| 199 | u32 pri_mask; |
| 200 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; |
| 201 | |
| 202 | /* Choose the highest priority */ |
| 203 | while ((MAX_PFC_PRIORITIES == pri) && (0 != index)) { |
| 204 | pri_mask = 1 << index; |
| 205 | if (GET_FLAGS(pri_bitmap, pri_mask)) |
| 206 | pri = index ; |
| 207 | index--; |
| 208 | } |
| 209 | |
| 210 | if (pri < MAX_PFC_PRIORITIES) |
| 211 | ttp[llfc_traf_type] = max_t(u32, ttp[llfc_traf_type], pri); |
| 212 | } |
| 213 | |
| 214 | static void bnx2x_dcbx_get_ap_feature(struct bnx2x *bp, |
| 215 | struct dcbx_app_priority_feature *app, |
| 216 | u32 error) { |
| 217 | u8 index; |
| 218 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; |
| 219 | |
| 220 | if (GET_FLAGS(error, DCBX_LOCAL_APP_ERROR)) |
| 221 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_APP_ERROR\n"); |
| 222 | |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 223 | if (GET_FLAGS(error, DCBX_LOCAL_APP_MISMATCH)) |
| 224 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_APP_MISMATCH\n"); |
| 225 | |
| 226 | if (app->enabled && |
| 227 | !GET_FLAGS(error, DCBX_LOCAL_APP_ERROR | DCBX_LOCAL_APP_MISMATCH)) { |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 228 | |
| 229 | bp->dcbx_port_params.app.enabled = true; |
| 230 | |
| 231 | for (index = 0 ; index < LLFC_DRIVER_TRAFFIC_TYPE_MAX; index++) |
| 232 | ttp[index] = 0; |
| 233 | |
| 234 | if (app->default_pri < MAX_PFC_PRIORITIES) |
| 235 | ttp[LLFC_TRAFFIC_TYPE_NW] = app->default_pri; |
| 236 | |
| 237 | for (index = 0 ; index < DCBX_MAX_APP_PROTOCOL; index++) { |
| 238 | struct dcbx_app_priority_entry *entry = |
| 239 | app->app_pri_tbl; |
| 240 | |
| 241 | if (GET_FLAGS(entry[index].appBitfield, |
| 242 | DCBX_APP_SF_ETH_TYPE) && |
| 243 | ETH_TYPE_FCOE == entry[index].app_id) |
| 244 | bnx2x_dcbx_get_ap_priority(bp, |
| 245 | entry[index].pri_bitmap, |
| 246 | LLFC_TRAFFIC_TYPE_FCOE); |
| 247 | |
| 248 | if (GET_FLAGS(entry[index].appBitfield, |
| 249 | DCBX_APP_SF_PORT) && |
| 250 | TCP_PORT_ISCSI == entry[index].app_id) |
| 251 | bnx2x_dcbx_get_ap_priority(bp, |
| 252 | entry[index].pri_bitmap, |
| 253 | LLFC_TRAFFIC_TYPE_ISCSI); |
| 254 | } |
| 255 | } else { |
| 256 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_APP_DISABLED\n"); |
| 257 | bp->dcbx_port_params.app.enabled = false; |
| 258 | for (index = 0 ; index < LLFC_DRIVER_TRAFFIC_TYPE_MAX; index++) |
| 259 | ttp[index] = INVALID_TRAFFIC_TYPE_PRIORITY; |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | static void bnx2x_dcbx_get_ets_feature(struct bnx2x *bp, |
| 264 | struct dcbx_ets_feature *ets, |
| 265 | u32 error) { |
| 266 | int i = 0; |
| 267 | u32 pg_pri_orginal_spread[DCBX_MAX_NUM_PG_BW_ENTRIES] = {0}; |
| 268 | struct pg_help_data pg_help_data; |
| 269 | struct bnx2x_dcbx_cos_params *cos_params = |
| 270 | bp->dcbx_port_params.ets.cos_params; |
| 271 | |
| 272 | memset(&pg_help_data, 0, sizeof(struct pg_help_data)); |
| 273 | |
| 274 | |
| 275 | if (GET_FLAGS(error, DCBX_LOCAL_ETS_ERROR)) |
| 276 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_ETS_ERROR\n"); |
| 277 | |
| 278 | |
| 279 | /* Clean up old settings of ets on COS */ |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 280 | 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] | 281 | cos_params[i].pauseable = false; |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 282 | cos_params[i].strict = BNX2X_DCBX_STRICT_INVALID; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 283 | cos_params[i].bw_tbl = DCBX_INVALID_COS_BW; |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 284 | cos_params[i].pri_bitmask = 0; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 285 | } |
| 286 | |
| 287 | if (bp->dcbx_port_params.app.enabled && |
| 288 | !GET_FLAGS(error, DCBX_LOCAL_ETS_ERROR) && |
| 289 | ets->enabled) { |
| 290 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_ETS_ENABLE\n"); |
| 291 | bp->dcbx_port_params.ets.enabled = true; |
| 292 | |
| 293 | bnx2x_dcbx_get_ets_pri_pg_tbl(bp, |
| 294 | pg_pri_orginal_spread, |
| 295 | ets->pri_pg_tbl); |
| 296 | |
| 297 | bnx2x_dcbx_get_num_pg_traf_type(bp, |
| 298 | pg_pri_orginal_spread, |
| 299 | &pg_help_data); |
| 300 | |
| 301 | bnx2x_dcbx_fill_cos_params(bp, &pg_help_data, |
| 302 | ets, pg_pri_orginal_spread); |
| 303 | |
| 304 | } else { |
| 305 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_ETS_DISABLED\n"); |
| 306 | bp->dcbx_port_params.ets.enabled = false; |
| 307 | ets->pri_pg_tbl[0] = 0; |
| 308 | |
| 309 | for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES ; i++) |
| 310 | DCBX_PG_BW_SET(ets->pg_bw_tbl, i, 1); |
| 311 | } |
| 312 | } |
| 313 | |
| 314 | static void bnx2x_dcbx_get_pfc_feature(struct bnx2x *bp, |
| 315 | struct dcbx_pfc_feature *pfc, u32 error) |
| 316 | { |
| 317 | |
| 318 | if (GET_FLAGS(error, DCBX_LOCAL_PFC_ERROR)) |
| 319 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_PFC_ERROR\n"); |
| 320 | |
| 321 | if (bp->dcbx_port_params.app.enabled && |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 322 | !GET_FLAGS(error, DCBX_LOCAL_PFC_ERROR | DCBX_LOCAL_PFC_MISMATCH) && |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 323 | pfc->enabled) { |
| 324 | bp->dcbx_port_params.pfc.enabled = true; |
| 325 | bp->dcbx_port_params.pfc.priority_non_pauseable_mask = |
| 326 | ~(pfc->pri_en_bitmap); |
| 327 | } else { |
| 328 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_PFC_DISABLED\n"); |
| 329 | bp->dcbx_port_params.pfc.enabled = false; |
| 330 | bp->dcbx_port_params.pfc.priority_non_pauseable_mask = 0; |
| 331 | } |
| 332 | } |
| 333 | |
Dmitry Kravkov | 09b775e | 2011-07-24 04:09:43 +0000 | [diff] [blame] | 334 | /* maps unmapped priorities to to the same COS as L2 */ |
| 335 | static void bnx2x_dcbx_map_nw(struct bnx2x *bp) |
| 336 | { |
| 337 | int i; |
| 338 | u32 unmapped = (1 << MAX_PFC_PRIORITIES) - 1; /* all ones */ |
| 339 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; |
| 340 | u32 nw_prio = 1 << ttp[LLFC_TRAFFIC_TYPE_NW]; |
| 341 | struct bnx2x_dcbx_cos_params *cos_params = |
| 342 | bp->dcbx_port_params.ets.cos_params; |
| 343 | |
| 344 | /* get unmapped priorities by clearing mapped bits */ |
| 345 | for (i = 0; i < LLFC_DRIVER_TRAFFIC_TYPE_MAX; i++) |
| 346 | unmapped &= ~(1 << ttp[i]); |
| 347 | |
| 348 | /* find cos for nw prio and extend it with unmapped */ |
| 349 | for (i = 0; i < ARRAY_SIZE(bp->dcbx_port_params.ets.cos_params); i++) { |
| 350 | if (cos_params[i].pri_bitmask & nw_prio) { |
| 351 | /* extend the bitmask with unmapped */ |
| 352 | DP(NETIF_MSG_LINK, |
| 353 | "cos %d extended with 0x%08x", i, unmapped); |
| 354 | cos_params[i].pri_bitmask |= unmapped; |
| 355 | break; |
| 356 | } |
| 357 | } |
| 358 | } |
| 359 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 360 | static void bnx2x_get_dcbx_drv_param(struct bnx2x *bp, |
| 361 | struct dcbx_features *features, |
| 362 | u32 error) |
| 363 | { |
| 364 | bnx2x_dcbx_get_ap_feature(bp, &features->app, error); |
| 365 | |
| 366 | bnx2x_dcbx_get_pfc_feature(bp, &features->pfc, error); |
| 367 | |
| 368 | bnx2x_dcbx_get_ets_feature(bp, &features->ets, error); |
Dmitry Kravkov | 09b775e | 2011-07-24 04:09:43 +0000 | [diff] [blame] | 369 | |
| 370 | bnx2x_dcbx_map_nw(bp); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 371 | } |
| 372 | |
| 373 | #define DCBX_LOCAL_MIB_MAX_TRY_READ (100) |
| 374 | static int bnx2x_dcbx_read_mib(struct bnx2x *bp, |
| 375 | u32 *base_mib_addr, |
| 376 | u32 offset, |
| 377 | int read_mib_type) |
| 378 | { |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 379 | int max_try_read = 0; |
| 380 | u32 mib_size, prefix_seq_num, suffix_seq_num; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 381 | struct lldp_remote_mib *remote_mib ; |
| 382 | struct lldp_local_mib *local_mib; |
| 383 | |
| 384 | |
| 385 | switch (read_mib_type) { |
| 386 | case DCBX_READ_LOCAL_MIB: |
| 387 | mib_size = sizeof(struct lldp_local_mib); |
| 388 | break; |
| 389 | case DCBX_READ_REMOTE_MIB: |
| 390 | mib_size = sizeof(struct lldp_remote_mib); |
| 391 | break; |
| 392 | default: |
| 393 | return 1; /*error*/ |
| 394 | } |
| 395 | |
| 396 | offset += BP_PORT(bp) * mib_size; |
| 397 | |
| 398 | do { |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 399 | bnx2x_read_data(bp, base_mib_addr, offset, mib_size); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 400 | |
| 401 | max_try_read++; |
| 402 | |
| 403 | switch (read_mib_type) { |
| 404 | case DCBX_READ_LOCAL_MIB: |
| 405 | local_mib = (struct lldp_local_mib *) base_mib_addr; |
| 406 | prefix_seq_num = local_mib->prefix_seq_num; |
| 407 | suffix_seq_num = local_mib->suffix_seq_num; |
| 408 | break; |
| 409 | case DCBX_READ_REMOTE_MIB: |
| 410 | remote_mib = (struct lldp_remote_mib *) base_mib_addr; |
| 411 | prefix_seq_num = remote_mib->prefix_seq_num; |
| 412 | suffix_seq_num = remote_mib->suffix_seq_num; |
| 413 | break; |
| 414 | default: |
| 415 | return 1; /*error*/ |
| 416 | } |
| 417 | } while ((prefix_seq_num != suffix_seq_num) && |
| 418 | (max_try_read < DCBX_LOCAL_MIB_MAX_TRY_READ)); |
| 419 | |
| 420 | if (max_try_read >= DCBX_LOCAL_MIB_MAX_TRY_READ) { |
| 421 | BNX2X_ERR("MIB could not be read\n"); |
| 422 | return 1; |
| 423 | } |
| 424 | |
| 425 | return 0; |
| 426 | } |
| 427 | |
| 428 | static void bnx2x_pfc_set_pfc(struct bnx2x *bp) |
| 429 | { |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 430 | if (bp->dcbx_port_params.pfc.enabled && |
| 431 | !(bp->dcbx_error & DCBX_REMOTE_MIB_ERROR)) |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 432 | /* |
| 433 | * 1. Fills up common PFC structures if required |
| 434 | * 2. Configure NIG, MAC and BRB via the elink |
| 435 | */ |
| 436 | bnx2x_pfc_set(bp); |
| 437 | else |
| 438 | bnx2x_pfc_clear(bp); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 439 | } |
| 440 | |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 441 | static int bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp) |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 442 | { |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 443 | struct bnx2x_func_state_params func_params = {0}; |
| 444 | |
| 445 | func_params.f_obj = &bp->func_obj; |
| 446 | func_params.cmd = BNX2X_F_CMD_TX_STOP; |
| 447 | |
| 448 | DP(NETIF_MSG_LINK, "STOP TRAFFIC\n"); |
| 449 | return bnx2x_func_state_change(bp, &func_params); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 450 | } |
| 451 | |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 452 | static int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp) |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 453 | { |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 454 | struct bnx2x_func_state_params func_params = {0}; |
| 455 | struct bnx2x_func_tx_start_params *tx_params = |
| 456 | &func_params.params.tx_start; |
| 457 | |
| 458 | func_params.f_obj = &bp->func_obj; |
| 459 | func_params.cmd = BNX2X_F_CMD_TX_START; |
| 460 | |
| 461 | bnx2x_dcbx_fw_struct(bp, tx_params); |
| 462 | |
| 463 | DP(NETIF_MSG_LINK, "START TRAFFIC\n"); |
| 464 | return bnx2x_func_state_change(bp, &func_params); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 465 | } |
| 466 | |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 467 | static void bnx2x_dcbx_2cos_limit_update_ets_config(struct bnx2x *bp) |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 468 | { |
| 469 | struct bnx2x_dcbx_pg_params *ets = &(bp->dcbx_port_params.ets); |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 470 | int rc = 0; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 471 | |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 472 | if (ets->num_of_cos == 0 || ets->num_of_cos > DCBX_COS_MAX_NUM_E2) { |
| 473 | BNX2X_ERR("Illegal number of COSes %d\n", ets->num_of_cos); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 474 | return; |
| 475 | } |
| 476 | |
| 477 | /* valid COS entries */ |
| 478 | if (ets->num_of_cos == 1) /* no ETS */ |
| 479 | return; |
| 480 | |
| 481 | /* sanity */ |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 482 | if (((BNX2X_DCBX_STRICT_INVALID == ets->cos_params[0].strict) && |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 483 | (DCBX_INVALID_COS_BW == ets->cos_params[0].bw_tbl)) || |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 484 | ((BNX2X_DCBX_STRICT_INVALID == ets->cos_params[1].strict) && |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 485 | (DCBX_INVALID_COS_BW == ets->cos_params[1].bw_tbl))) { |
| 486 | BNX2X_ERR("all COS should have at least bw_limit or strict" |
| 487 | "ets->cos_params[0].strict= %x" |
| 488 | "ets->cos_params[0].bw_tbl= %x" |
| 489 | "ets->cos_params[1].strict= %x" |
| 490 | "ets->cos_params[1].bw_tbl= %x", |
| 491 | ets->cos_params[0].strict, |
| 492 | ets->cos_params[0].bw_tbl, |
| 493 | ets->cos_params[1].strict, |
| 494 | ets->cos_params[1].bw_tbl); |
| 495 | return; |
| 496 | } |
| 497 | /* If we join a group and there is bw_tbl and strict then bw rules */ |
| 498 | if ((DCBX_INVALID_COS_BW != ets->cos_params[0].bw_tbl) && |
| 499 | (DCBX_INVALID_COS_BW != ets->cos_params[1].bw_tbl)) { |
| 500 | u32 bw_tbl_0 = ets->cos_params[0].bw_tbl; |
| 501 | u32 bw_tbl_1 = ets->cos_params[1].bw_tbl; |
| 502 | /* Do not allow 0-100 configuration |
| 503 | * since PBF does not support it |
| 504 | * force 1-99 instead |
| 505 | */ |
| 506 | if (bw_tbl_0 == 0) { |
| 507 | bw_tbl_0 = 1; |
| 508 | bw_tbl_1 = 99; |
| 509 | } else if (bw_tbl_1 == 0) { |
| 510 | bw_tbl_1 = 1; |
| 511 | bw_tbl_0 = 99; |
| 512 | } |
| 513 | |
| 514 | bnx2x_ets_bw_limit(&bp->link_params, bw_tbl_0, bw_tbl_1); |
| 515 | } else { |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 516 | if (ets->cos_params[0].strict == BNX2X_DCBX_STRICT_COS_HIGHEST) |
| 517 | rc = bnx2x_ets_strict(&bp->link_params, 0); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 518 | else if (ets->cos_params[1].strict |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 519 | == BNX2X_DCBX_STRICT_COS_HIGHEST) |
| 520 | rc = bnx2x_ets_strict(&bp->link_params, 1); |
| 521 | if (rc) |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 522 | BNX2X_ERR("update_ets_params failed\n"); |
| 523 | } |
| 524 | } |
| 525 | |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 526 | /* |
| 527 | * In E3B0 the configuration may have more than 2 COS. |
| 528 | */ |
| 529 | void bnx2x_dcbx_update_ets_config(struct bnx2x *bp) |
| 530 | { |
| 531 | struct bnx2x_dcbx_pg_params *ets = &(bp->dcbx_port_params.ets); |
| 532 | struct bnx2x_ets_params ets_params = { 0 }; |
| 533 | u8 i; |
| 534 | |
| 535 | ets_params.num_of_cos = ets->num_of_cos; |
| 536 | |
| 537 | for (i = 0; i < ets->num_of_cos; i++) { |
| 538 | /* COS is SP */ |
| 539 | if (ets->cos_params[i].strict != BNX2X_DCBX_STRICT_INVALID) { |
| 540 | if (ets->cos_params[i].bw_tbl != DCBX_INVALID_COS_BW) { |
| 541 | BNX2X_ERR("COS can't be not BW and not SP\n"); |
| 542 | return; |
| 543 | } |
| 544 | |
| 545 | ets_params.cos[i].state = bnx2x_cos_state_strict; |
| 546 | ets_params.cos[i].params.sp_params.pri = |
| 547 | ets->cos_params[i].strict; |
| 548 | } else { /* COS is BW */ |
| 549 | if (ets->cos_params[i].bw_tbl == DCBX_INVALID_COS_BW) { |
| 550 | BNX2X_ERR("COS can't be not BW and not SP\n"); |
| 551 | return; |
| 552 | } |
| 553 | ets_params.cos[i].state = bnx2x_cos_state_bw; |
| 554 | ets_params.cos[i].params.bw_params.bw = |
| 555 | (u8)ets->cos_params[i].bw_tbl; |
| 556 | } |
| 557 | } |
| 558 | |
| 559 | /* Configure the ETS in HW */ |
| 560 | if (bnx2x_ets_e3b0_config(&bp->link_params, &bp->link_vars, |
| 561 | &ets_params)) { |
| 562 | BNX2X_ERR("bnx2x_ets_e3b0_config failed\n"); |
| 563 | bnx2x_ets_disabled(&bp->link_params, &bp->link_vars); |
| 564 | } |
| 565 | } |
| 566 | |
| 567 | static void bnx2x_dcbx_update_ets_params(struct bnx2x *bp) |
| 568 | { |
| 569 | bnx2x_ets_disabled(&bp->link_params, &bp->link_vars); |
| 570 | |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 571 | if (!bp->dcbx_port_params.ets.enabled || |
| 572 | (bp->dcbx_error & DCBX_REMOTE_MIB_ERROR)) |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 573 | return; |
| 574 | |
| 575 | if (CHIP_IS_E3B0(bp)) |
| 576 | bnx2x_dcbx_update_ets_config(bp); |
| 577 | else |
| 578 | bnx2x_dcbx_2cos_limit_update_ets_config(bp); |
| 579 | } |
| 580 | |
Shmulik Ravid | 0be6bc6 | 2011-05-18 02:55:31 +0000 | [diff] [blame] | 581 | #ifdef BCM_DCBNL |
| 582 | static int bnx2x_dcbx_read_shmem_remote_mib(struct bnx2x *bp) |
| 583 | { |
| 584 | struct lldp_remote_mib remote_mib = {0}; |
| 585 | u32 dcbx_remote_mib_offset = SHMEM2_RD(bp, dcbx_remote_mib_offset); |
| 586 | int rc; |
| 587 | |
| 588 | DP(NETIF_MSG_LINK, "dcbx_remote_mib_offset 0x%x\n", |
| 589 | dcbx_remote_mib_offset); |
| 590 | |
| 591 | if (SHMEM_DCBX_REMOTE_MIB_NONE == dcbx_remote_mib_offset) { |
| 592 | BNX2X_ERR("FW doesn't support dcbx_remote_mib_offset\n"); |
| 593 | return -EINVAL; |
| 594 | } |
| 595 | |
| 596 | rc = bnx2x_dcbx_read_mib(bp, (u32 *)&remote_mib, dcbx_remote_mib_offset, |
| 597 | DCBX_READ_REMOTE_MIB); |
| 598 | |
| 599 | if (rc) { |
| 600 | BNX2X_ERR("Faild to read remote mib from FW\n"); |
| 601 | return rc; |
| 602 | } |
| 603 | |
| 604 | /* save features and flags */ |
| 605 | bp->dcbx_remote_feat = remote_mib.features; |
| 606 | bp->dcbx_remote_flags = remote_mib.flags; |
| 607 | return 0; |
| 608 | } |
| 609 | #endif |
| 610 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 611 | static int bnx2x_dcbx_read_shmem_neg_results(struct bnx2x *bp) |
| 612 | { |
| 613 | struct lldp_local_mib local_mib = {0}; |
| 614 | u32 dcbx_neg_res_offset = SHMEM2_RD(bp, dcbx_neg_res_offset); |
| 615 | int rc; |
| 616 | |
| 617 | DP(NETIF_MSG_LINK, "dcbx_neg_res_offset 0x%x\n", dcbx_neg_res_offset); |
| 618 | |
| 619 | if (SHMEM_DCBX_NEG_RES_NONE == dcbx_neg_res_offset) { |
| 620 | BNX2X_ERR("FW doesn't support dcbx_neg_res_offset\n"); |
| 621 | return -EINVAL; |
| 622 | } |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 623 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 624 | rc = bnx2x_dcbx_read_mib(bp, (u32 *)&local_mib, dcbx_neg_res_offset, |
| 625 | DCBX_READ_LOCAL_MIB); |
| 626 | |
| 627 | if (rc) { |
| 628 | BNX2X_ERR("Faild to read local mib from FW\n"); |
| 629 | return rc; |
| 630 | } |
| 631 | |
| 632 | /* save features and error */ |
| 633 | bp->dcbx_local_feat = local_mib.features; |
| 634 | bp->dcbx_error = local_mib.error; |
| 635 | return 0; |
| 636 | } |
| 637 | |
Shmulik Ravid | 9850767 | 2011-02-28 12:19:55 -0800 | [diff] [blame] | 638 | |
| 639 | #ifdef BCM_DCBNL |
| 640 | static inline |
| 641 | u8 bnx2x_dcbx_dcbnl_app_up(struct dcbx_app_priority_entry *ent) |
| 642 | { |
| 643 | u8 pri; |
| 644 | |
| 645 | /* Choose the highest priority */ |
| 646 | for (pri = MAX_PFC_PRIORITIES - 1; pri > 0; pri--) |
| 647 | if (ent->pri_bitmap & (1 << pri)) |
| 648 | break; |
| 649 | return pri; |
| 650 | } |
| 651 | |
| 652 | static inline |
| 653 | u8 bnx2x_dcbx_dcbnl_app_idtype(struct dcbx_app_priority_entry *ent) |
| 654 | { |
| 655 | return ((ent->appBitfield & DCBX_APP_ENTRY_SF_MASK) == |
| 656 | DCBX_APP_SF_PORT) ? DCB_APP_IDTYPE_PORTNUM : |
| 657 | DCB_APP_IDTYPE_ETHTYPE; |
| 658 | } |
| 659 | |
Shmulik Ravid | 9850767 | 2011-02-28 12:19:55 -0800 | [diff] [blame] | 660 | int bnx2x_dcbnl_update_applist(struct bnx2x *bp, bool delall) |
| 661 | { |
| 662 | int i, err = 0; |
| 663 | |
| 664 | for (i = 0; i < DCBX_MAX_APP_PROTOCOL && err == 0; i++) { |
| 665 | struct dcbx_app_priority_entry *ent = |
| 666 | &bp->dcbx_local_feat.app.app_pri_tbl[i]; |
| 667 | |
| 668 | if (ent->appBitfield & DCBX_APP_ENTRY_VALID) { |
| 669 | u8 up = bnx2x_dcbx_dcbnl_app_up(ent); |
| 670 | |
| 671 | /* avoid invalid user-priority */ |
| 672 | if (up) { |
| 673 | struct dcb_app app; |
| 674 | app.selector = bnx2x_dcbx_dcbnl_app_idtype(ent); |
| 675 | app.protocol = ent->app_id; |
| 676 | app.priority = delall ? 0 : up; |
| 677 | err = dcb_setapp(bp->dev, &app); |
| 678 | } |
| 679 | } |
| 680 | } |
| 681 | return err; |
| 682 | } |
| 683 | #endif |
| 684 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 685 | static inline void bnx2x_update_drv_flags(struct bnx2x *bp, u32 flags, u32 set) |
| 686 | { |
| 687 | if (SHMEM2_HAS(bp, drv_flags)) { |
| 688 | u32 drv_flags; |
| 689 | bnx2x_acquire_hw_lock(bp, HW_LOCK_DRV_FLAGS); |
| 690 | drv_flags = SHMEM2_RD(bp, drv_flags); |
| 691 | |
| 692 | if (set) |
| 693 | SET_FLAGS(drv_flags, flags); |
| 694 | else |
| 695 | RESET_FLAGS(drv_flags, flags); |
| 696 | |
| 697 | SHMEM2_WR(bp, drv_flags, drv_flags); |
| 698 | DP(NETIF_MSG_HW, "drv_flags 0x%08x\n", drv_flags); |
| 699 | bnx2x_release_hw_lock(bp, HW_LOCK_DRV_FLAGS); |
| 700 | } |
| 701 | } |
| 702 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 703 | static inline void bnx2x_dcbx_update_tc_mapping(struct bnx2x *bp) |
| 704 | { |
| 705 | u8 prio, cos; |
| 706 | for (cos = 0; cos < bp->dcbx_port_params.ets.num_of_cos; cos++) { |
| 707 | for (prio = 0; prio < BNX2X_MAX_PRIORITY; prio++) { |
| 708 | if (bp->dcbx_port_params.ets.cos_params[cos].pri_bitmask |
| 709 | & (1 << prio)) { |
| 710 | bp->prio_to_cos[prio] = cos; |
Dmitry Kravkov | 09b775e | 2011-07-24 04:09:43 +0000 | [diff] [blame] | 711 | DP(NETIF_MSG_LINK, |
| 712 | "tx_mapping %d --> %d\n", prio, cos); |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 713 | } |
| 714 | } |
| 715 | } |
| 716 | |
| 717 | /* setup tc must be called under rtnl lock, but we can't take it here |
| 718 | * as we are handling an attetntion on a work queue which must be |
| 719 | * flushed at some rtnl-locked contexts (e.g. if down) |
| 720 | */ |
| 721 | if (!test_and_set_bit(BNX2X_SP_RTNL_SETUP_TC, &bp->sp_rtnl_state)) |
| 722 | schedule_delayed_work(&bp->sp_rtnl_task, 0); |
| 723 | } |
| 724 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 725 | void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state) |
| 726 | { |
| 727 | switch (state) { |
| 728 | case BNX2X_DCBX_STATE_NEG_RECEIVED: |
| 729 | { |
| 730 | DP(NETIF_MSG_LINK, "BNX2X_DCBX_STATE_NEG_RECEIVED\n"); |
Shmulik Ravid | 9850767 | 2011-02-28 12:19:55 -0800 | [diff] [blame] | 731 | #ifdef BCM_DCBNL |
| 732 | /** |
| 733 | * Delete app tlvs from dcbnl before reading new |
| 734 | * negotiation results |
| 735 | */ |
| 736 | bnx2x_dcbnl_update_applist(bp, true); |
Shmulik Ravid | 0be6bc6 | 2011-05-18 02:55:31 +0000 | [diff] [blame] | 737 | |
| 738 | /* Read rmeote mib if dcbx is in the FW */ |
| 739 | if (bnx2x_dcbx_read_shmem_remote_mib(bp)) |
| 740 | return; |
Shmulik Ravid | 9850767 | 2011-02-28 12:19:55 -0800 | [diff] [blame] | 741 | #endif |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 742 | /* Read neg results if dcbx is in the FW */ |
| 743 | if (bnx2x_dcbx_read_shmem_neg_results(bp)) |
| 744 | return; |
| 745 | |
| 746 | bnx2x_dump_dcbx_drv_param(bp, &bp->dcbx_local_feat, |
| 747 | bp->dcbx_error); |
| 748 | |
| 749 | bnx2x_get_dcbx_drv_param(bp, &bp->dcbx_local_feat, |
| 750 | bp->dcbx_error); |
| 751 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 752 | /* mark DCBX result for PMF migration */ |
| 753 | bnx2x_update_drv_flags(bp, DRV_FLAGS_DCB_CONFIGURED, 1); |
Shmulik Ravid | 9850767 | 2011-02-28 12:19:55 -0800 | [diff] [blame] | 754 | #ifdef BCM_DCBNL |
| 755 | /** |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 756 | * Add new app tlvs to dcbnl |
Shmulik Ravid | 9850767 | 2011-02-28 12:19:55 -0800 | [diff] [blame] | 757 | */ |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 758 | bnx2x_dcbnl_update_applist(bp, false); |
Shmulik Ravid | 9850767 | 2011-02-28 12:19:55 -0800 | [diff] [blame] | 759 | #endif |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 760 | bnx2x_dcbx_stop_hw_tx(bp); |
| 761 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 762 | /* reconfigure the netdevice with the results of the new |
| 763 | * dcbx negotiation. |
| 764 | */ |
| 765 | bnx2x_dcbx_update_tc_mapping(bp); |
| 766 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 767 | return; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 768 | } |
| 769 | case BNX2X_DCBX_STATE_TX_PAUSED: |
| 770 | DP(NETIF_MSG_LINK, "BNX2X_DCBX_STATE_TX_PAUSED\n"); |
| 771 | bnx2x_pfc_set_pfc(bp); |
| 772 | |
| 773 | bnx2x_dcbx_update_ets_params(bp); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 774 | bnx2x_dcbx_resume_hw_tx(bp); |
| 775 | return; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 776 | case BNX2X_DCBX_STATE_TX_RELEASED: |
| 777 | DP(NETIF_MSG_LINK, "BNX2X_DCBX_STATE_TX_RELEASED\n"); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 778 | bnx2x_fw_command(bp, DRV_MSG_CODE_DCBX_PMF_DRV_OK, 0); |
Shmulik Ravid | 3c878d4 | 2011-07-07 05:11:30 -0700 | [diff] [blame] | 779 | #ifdef BCM_DCBNL |
Dmitry Kravkov | 09b775e | 2011-07-24 04:09:43 +0000 | [diff] [blame] | 780 | /* |
Shmulik Ravid | 3c878d4 | 2011-07-07 05:11:30 -0700 | [diff] [blame] | 781 | * Send a notification for the new negotiated parameters |
| 782 | */ |
| 783 | dcbnl_cee_notify(bp->dev, RTM_GETDCB, DCB_CMD_CEE_GET, 0, 0); |
| 784 | #endif |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 785 | return; |
| 786 | default: |
| 787 | BNX2X_ERR("Unknown DCBX_STATE\n"); |
| 788 | } |
| 789 | } |
| 790 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 791 | #define LLDP_ADMIN_MIB_OFFSET(bp) (PORT_MAX*sizeof(struct lldp_params) + \ |
| 792 | BP_PORT(bp)*sizeof(struct lldp_admin_mib)) |
| 793 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 794 | static void bnx2x_dcbx_admin_mib_updated_params(struct bnx2x *bp, |
| 795 | u32 dcbx_lldp_params_offset) |
| 796 | { |
| 797 | struct lldp_admin_mib admin_mib; |
| 798 | u32 i, other_traf_type = PREDEFINED_APP_IDX_MAX, traf_type = 0; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 799 | u32 offset = dcbx_lldp_params_offset + LLDP_ADMIN_MIB_OFFSET(bp); |
| 800 | |
| 801 | /*shortcuts*/ |
| 802 | struct dcbx_features *af = &admin_mib.features; |
| 803 | struct bnx2x_config_dcbx_params *dp = &bp->dcbx_config_params; |
| 804 | |
| 805 | memset(&admin_mib, 0, sizeof(struct lldp_admin_mib)); |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 806 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 807 | /* Read the data first */ |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 808 | bnx2x_read_data(bp, (u32 *)&admin_mib, offset, |
| 809 | sizeof(struct lldp_admin_mib)); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 810 | |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 811 | if (bp->dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_ON) |
| 812 | SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_DCBX_ENABLED); |
| 813 | else |
| 814 | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_DCBX_ENABLED); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 815 | |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 816 | if (dp->overwrite_settings == BNX2X_DCBX_OVERWRITE_SETTINGS_ENABLE) { |
| 817 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 818 | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_CEE_VERSION_MASK); |
| 819 | admin_mib.ver_cfg_flags |= |
| 820 | (dp->admin_dcbx_version << DCBX_CEE_VERSION_SHIFT) & |
| 821 | DCBX_CEE_VERSION_MASK; |
| 822 | |
| 823 | af->ets.enabled = (u8)dp->admin_ets_enable; |
| 824 | |
| 825 | af->pfc.enabled = (u8)dp->admin_pfc_enable; |
| 826 | |
| 827 | /* FOR IEEE dp->admin_tc_supported_tx_enable */ |
| 828 | if (dp->admin_ets_configuration_tx_enable) |
| 829 | SET_FLAGS(admin_mib.ver_cfg_flags, |
| 830 | DCBX_ETS_CONFIG_TX_ENABLED); |
| 831 | else |
| 832 | RESET_FLAGS(admin_mib.ver_cfg_flags, |
| 833 | DCBX_ETS_CONFIG_TX_ENABLED); |
| 834 | /* For IEEE admin_ets_recommendation_tx_enable */ |
| 835 | if (dp->admin_pfc_tx_enable) |
| 836 | SET_FLAGS(admin_mib.ver_cfg_flags, |
| 837 | DCBX_PFC_CONFIG_TX_ENABLED); |
| 838 | else |
| 839 | RESET_FLAGS(admin_mib.ver_cfg_flags, |
| 840 | DCBX_PFC_CONFIG_TX_ENABLED); |
| 841 | |
| 842 | if (dp->admin_application_priority_tx_enable) |
| 843 | SET_FLAGS(admin_mib.ver_cfg_flags, |
| 844 | DCBX_APP_CONFIG_TX_ENABLED); |
| 845 | else |
| 846 | RESET_FLAGS(admin_mib.ver_cfg_flags, |
| 847 | DCBX_APP_CONFIG_TX_ENABLED); |
| 848 | |
| 849 | if (dp->admin_ets_willing) |
| 850 | SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_ETS_WILLING); |
| 851 | else |
| 852 | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_ETS_WILLING); |
| 853 | /* For IEEE admin_ets_reco_valid */ |
| 854 | if (dp->admin_pfc_willing) |
| 855 | SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_PFC_WILLING); |
| 856 | else |
| 857 | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_PFC_WILLING); |
| 858 | |
| 859 | if (dp->admin_app_priority_willing) |
| 860 | SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_APP_WILLING); |
| 861 | else |
| 862 | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_APP_WILLING); |
| 863 | |
| 864 | for (i = 0 ; i < DCBX_MAX_NUM_PG_BW_ENTRIES; i++) { |
| 865 | DCBX_PG_BW_SET(af->ets.pg_bw_tbl, i, |
| 866 | (u8)dp->admin_configuration_bw_precentage[i]); |
| 867 | |
| 868 | DP(NETIF_MSG_LINK, "pg_bw_tbl[%d] = %02x\n", |
| 869 | i, DCBX_PG_BW_GET(af->ets.pg_bw_tbl, i)); |
| 870 | } |
| 871 | |
| 872 | for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++) { |
| 873 | DCBX_PRI_PG_SET(af->ets.pri_pg_tbl, i, |
| 874 | (u8)dp->admin_configuration_ets_pg[i]); |
| 875 | |
| 876 | DP(NETIF_MSG_LINK, "pri_pg_tbl[%d] = %02x\n", |
| 877 | i, DCBX_PRI_PG_GET(af->ets.pri_pg_tbl, i)); |
| 878 | } |
| 879 | |
| 880 | /*For IEEE admin_recommendation_bw_precentage |
| 881 | *For IEEE admin_recommendation_ets_pg */ |
| 882 | af->pfc.pri_en_bitmap = (u8)dp->admin_pfc_bitmap; |
| 883 | for (i = 0; i < 4; i++) { |
| 884 | if (dp->admin_priority_app_table[i].valid) { |
| 885 | struct bnx2x_admin_priority_app_table *table = |
| 886 | dp->admin_priority_app_table; |
| 887 | if ((ETH_TYPE_FCOE == table[i].app_id) && |
| 888 | (TRAFFIC_TYPE_ETH == table[i].traffic_type)) |
| 889 | traf_type = FCOE_APP_IDX; |
| 890 | else if ((TCP_PORT_ISCSI == table[i].app_id) && |
| 891 | (TRAFFIC_TYPE_PORT == table[i].traffic_type)) |
| 892 | traf_type = ISCSI_APP_IDX; |
| 893 | else |
| 894 | traf_type = other_traf_type++; |
| 895 | |
| 896 | af->app.app_pri_tbl[traf_type].app_id = |
| 897 | table[i].app_id; |
| 898 | |
| 899 | af->app.app_pri_tbl[traf_type].pri_bitmap = |
| 900 | (u8)(1 << table[i].priority); |
| 901 | |
| 902 | af->app.app_pri_tbl[traf_type].appBitfield = |
| 903 | (DCBX_APP_ENTRY_VALID); |
| 904 | |
| 905 | af->app.app_pri_tbl[traf_type].appBitfield |= |
| 906 | (TRAFFIC_TYPE_ETH == table[i].traffic_type) ? |
| 907 | DCBX_APP_SF_ETH_TYPE : DCBX_APP_SF_PORT; |
| 908 | } |
| 909 | } |
| 910 | |
| 911 | af->app.default_pri = (u8)dp->admin_default_priority; |
| 912 | |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 913 | } |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 914 | |
| 915 | /* Write the data. */ |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 916 | bnx2x_write_data(bp, (u32 *)&admin_mib, offset, |
| 917 | sizeof(struct lldp_admin_mib)); |
| 918 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 919 | } |
| 920 | |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 921 | void bnx2x_dcbx_set_state(struct bnx2x *bp, bool dcb_on, u32 dcbx_enabled) |
| 922 | { |
Dmitry Kravkov | 7712b64 | 2011-08-09 03:11:13 +0000 | [diff] [blame] | 923 | if (!CHIP_IS_E1x(bp) && !CHIP_IS_E3(bp)) { |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 924 | bp->dcb_state = dcb_on; |
| 925 | bp->dcbx_enabled = dcbx_enabled; |
| 926 | } else { |
| 927 | bp->dcb_state = false; |
| 928 | bp->dcbx_enabled = BNX2X_DCBX_ENABLED_INVALID; |
| 929 | } |
| 930 | DP(NETIF_MSG_LINK, "DCB state [%s:%s]\n", |
| 931 | dcb_on ? "ON" : "OFF", |
| 932 | dcbx_enabled == BNX2X_DCBX_ENABLED_OFF ? "user-mode" : |
| 933 | dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_OFF ? "on-chip static" : |
| 934 | dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_ON ? |
| 935 | "on-chip with negotiation" : "invalid"); |
| 936 | } |
| 937 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 938 | void bnx2x_dcbx_init_params(struct bnx2x *bp) |
| 939 | { |
| 940 | bp->dcbx_config_params.admin_dcbx_version = 0x0; /* 0 - CEE; 1 - IEEE */ |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 941 | bp->dcbx_config_params.admin_ets_willing = 1; |
| 942 | bp->dcbx_config_params.admin_pfc_willing = 1; |
| 943 | bp->dcbx_config_params.overwrite_settings = 1; |
| 944 | bp->dcbx_config_params.admin_ets_enable = 1; |
| 945 | bp->dcbx_config_params.admin_pfc_enable = 1; |
| 946 | bp->dcbx_config_params.admin_tc_supported_tx_enable = 1; |
| 947 | bp->dcbx_config_params.admin_ets_configuration_tx_enable = 1; |
| 948 | bp->dcbx_config_params.admin_pfc_tx_enable = 1; |
| 949 | bp->dcbx_config_params.admin_application_priority_tx_enable = 1; |
| 950 | bp->dcbx_config_params.admin_ets_reco_valid = 1; |
| 951 | bp->dcbx_config_params.admin_app_priority_willing = 1; |
| 952 | bp->dcbx_config_params.admin_configuration_bw_precentage[0] = 00; |
| 953 | bp->dcbx_config_params.admin_configuration_bw_precentage[1] = 50; |
| 954 | bp->dcbx_config_params.admin_configuration_bw_precentage[2] = 50; |
| 955 | bp->dcbx_config_params.admin_configuration_bw_precentage[3] = 0; |
| 956 | bp->dcbx_config_params.admin_configuration_bw_precentage[4] = 0; |
| 957 | bp->dcbx_config_params.admin_configuration_bw_precentage[5] = 0; |
| 958 | bp->dcbx_config_params.admin_configuration_bw_precentage[6] = 0; |
| 959 | bp->dcbx_config_params.admin_configuration_bw_precentage[7] = 0; |
| 960 | bp->dcbx_config_params.admin_configuration_ets_pg[0] = 1; |
| 961 | bp->dcbx_config_params.admin_configuration_ets_pg[1] = 0; |
| 962 | bp->dcbx_config_params.admin_configuration_ets_pg[2] = 0; |
| 963 | bp->dcbx_config_params.admin_configuration_ets_pg[3] = 2; |
| 964 | bp->dcbx_config_params.admin_configuration_ets_pg[4] = 0; |
| 965 | bp->dcbx_config_params.admin_configuration_ets_pg[5] = 0; |
| 966 | bp->dcbx_config_params.admin_configuration_ets_pg[6] = 0; |
| 967 | bp->dcbx_config_params.admin_configuration_ets_pg[7] = 0; |
| 968 | bp->dcbx_config_params.admin_recommendation_bw_precentage[0] = 0; |
| 969 | bp->dcbx_config_params.admin_recommendation_bw_precentage[1] = 1; |
| 970 | bp->dcbx_config_params.admin_recommendation_bw_precentage[2] = 2; |
| 971 | bp->dcbx_config_params.admin_recommendation_bw_precentage[3] = 0; |
| 972 | bp->dcbx_config_params.admin_recommendation_bw_precentage[4] = 7; |
| 973 | bp->dcbx_config_params.admin_recommendation_bw_precentage[5] = 5; |
| 974 | bp->dcbx_config_params.admin_recommendation_bw_precentage[6] = 6; |
| 975 | bp->dcbx_config_params.admin_recommendation_bw_precentage[7] = 7; |
| 976 | bp->dcbx_config_params.admin_recommendation_ets_pg[0] = 0; |
| 977 | bp->dcbx_config_params.admin_recommendation_ets_pg[1] = 1; |
| 978 | bp->dcbx_config_params.admin_recommendation_ets_pg[2] = 2; |
| 979 | bp->dcbx_config_params.admin_recommendation_ets_pg[3] = 3; |
| 980 | bp->dcbx_config_params.admin_recommendation_ets_pg[4] = 4; |
| 981 | bp->dcbx_config_params.admin_recommendation_ets_pg[5] = 5; |
| 982 | bp->dcbx_config_params.admin_recommendation_ets_pg[6] = 6; |
| 983 | bp->dcbx_config_params.admin_recommendation_ets_pg[7] = 7; |
| 984 | bp->dcbx_config_params.admin_pfc_bitmap = 0x8; /* FCoE(3) enable */ |
| 985 | bp->dcbx_config_params.admin_priority_app_table[0].valid = 1; |
| 986 | bp->dcbx_config_params.admin_priority_app_table[1].valid = 1; |
| 987 | bp->dcbx_config_params.admin_priority_app_table[2].valid = 0; |
| 988 | bp->dcbx_config_params.admin_priority_app_table[3].valid = 0; |
| 989 | bp->dcbx_config_params.admin_priority_app_table[0].priority = 3; |
| 990 | bp->dcbx_config_params.admin_priority_app_table[1].priority = 0; |
| 991 | bp->dcbx_config_params.admin_priority_app_table[2].priority = 0; |
| 992 | bp->dcbx_config_params.admin_priority_app_table[3].priority = 0; |
| 993 | bp->dcbx_config_params.admin_priority_app_table[0].traffic_type = 0; |
| 994 | bp->dcbx_config_params.admin_priority_app_table[1].traffic_type = 1; |
| 995 | bp->dcbx_config_params.admin_priority_app_table[2].traffic_type = 0; |
| 996 | bp->dcbx_config_params.admin_priority_app_table[3].traffic_type = 0; |
| 997 | bp->dcbx_config_params.admin_priority_app_table[0].app_id = 0x8906; |
| 998 | bp->dcbx_config_params.admin_priority_app_table[1].app_id = 3260; |
| 999 | bp->dcbx_config_params.admin_priority_app_table[2].app_id = 0; |
| 1000 | bp->dcbx_config_params.admin_priority_app_table[3].app_id = 0; |
| 1001 | bp->dcbx_config_params.admin_default_priority = |
| 1002 | bp->dcbx_config_params.admin_priority_app_table[1].priority; |
| 1003 | } |
| 1004 | |
| 1005 | void bnx2x_dcbx_init(struct bnx2x *bp) |
| 1006 | { |
| 1007 | u32 dcbx_lldp_params_offset = SHMEM_LLDP_DCBX_PARAMS_NONE; |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 1008 | |
| 1009 | if (bp->dcbx_enabled <= 0) |
| 1010 | return; |
| 1011 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1012 | /* validate: |
| 1013 | * chip of good for dcbx version, |
| 1014 | * dcb is wanted |
| 1015 | * the function is pmf |
| 1016 | * shmem2 contains DCBX support fields |
| 1017 | */ |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 1018 | DP(NETIF_MSG_LINK, "dcb_state %d bp->port.pmf %d\n", |
| 1019 | bp->dcb_state, bp->port.pmf); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1020 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1021 | if (bp->dcb_state == BNX2X_DCB_STATE_ON && bp->port.pmf && |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1022 | SHMEM2_HAS(bp, dcbx_lldp_params_offset)) { |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 1023 | dcbx_lldp_params_offset = |
| 1024 | SHMEM2_RD(bp, dcbx_lldp_params_offset); |
| 1025 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1026 | DP(NETIF_MSG_LINK, "dcbx_lldp_params_offset 0x%x\n", |
| 1027 | dcbx_lldp_params_offset); |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 1028 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1029 | bnx2x_update_drv_flags(bp, DRV_FLAGS_DCB_CONFIGURED, 0); |
| 1030 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1031 | if (SHMEM_LLDP_DCBX_PARAMS_NONE != dcbx_lldp_params_offset) { |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1032 | bnx2x_dcbx_admin_mib_updated_params(bp, |
| 1033 | dcbx_lldp_params_offset); |
| 1034 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1035 | /* Let HW start negotiation */ |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1036 | bnx2x_fw_command(bp, |
| 1037 | DRV_MSG_CODE_DCBX_ADMIN_PMF_MSG, 0); |
| 1038 | } |
| 1039 | } |
| 1040 | } |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1041 | static void |
| 1042 | bnx2x_dcbx_print_cos_params(struct bnx2x *bp, |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 1043 | struct bnx2x_func_tx_start_params *pfc_fw_cfg) |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1044 | { |
| 1045 | u8 pri = 0; |
| 1046 | u8 cos = 0; |
| 1047 | |
| 1048 | DP(NETIF_MSG_LINK, |
| 1049 | "pfc_fw_cfg->dcb_version %x\n", pfc_fw_cfg->dcb_version); |
| 1050 | DP(NETIF_MSG_LINK, |
| 1051 | "pdev->params.dcbx_port_params.pfc." |
| 1052 | "priority_non_pauseable_mask %x\n", |
| 1053 | bp->dcbx_port_params.pfc.priority_non_pauseable_mask); |
| 1054 | |
| 1055 | for (cos = 0 ; cos < bp->dcbx_port_params.ets.num_of_cos ; cos++) { |
| 1056 | DP(NETIF_MSG_LINK, "pdev->params.dcbx_port_params.ets." |
| 1057 | "cos_params[%d].pri_bitmask %x\n", cos, |
| 1058 | bp->dcbx_port_params.ets.cos_params[cos].pri_bitmask); |
| 1059 | |
| 1060 | DP(NETIF_MSG_LINK, "pdev->params.dcbx_port_params.ets." |
| 1061 | "cos_params[%d].bw_tbl %x\n", cos, |
| 1062 | bp->dcbx_port_params.ets.cos_params[cos].bw_tbl); |
| 1063 | |
| 1064 | DP(NETIF_MSG_LINK, "pdev->params.dcbx_port_params.ets." |
| 1065 | "cos_params[%d].strict %x\n", cos, |
| 1066 | bp->dcbx_port_params.ets.cos_params[cos].strict); |
| 1067 | |
| 1068 | DP(NETIF_MSG_LINK, "pdev->params.dcbx_port_params.ets." |
| 1069 | "cos_params[%d].pauseable %x\n", cos, |
| 1070 | bp->dcbx_port_params.ets.cos_params[cos].pauseable); |
| 1071 | } |
| 1072 | |
| 1073 | for (pri = 0; pri < LLFC_DRIVER_TRAFFIC_TYPE_MAX; pri++) { |
| 1074 | DP(NETIF_MSG_LINK, |
| 1075 | "pfc_fw_cfg->traffic_type_to_priority_cos[%d]." |
| 1076 | "priority %x\n", pri, |
| 1077 | pfc_fw_cfg->traffic_type_to_priority_cos[pri].priority); |
| 1078 | |
| 1079 | DP(NETIF_MSG_LINK, |
| 1080 | "pfc_fw_cfg->traffic_type_to_priority_cos[%d].cos %x\n", |
| 1081 | pri, pfc_fw_cfg->traffic_type_to_priority_cos[pri].cos); |
| 1082 | } |
| 1083 | } |
| 1084 | |
| 1085 | /* fills help_data according to pg_info */ |
| 1086 | static void bnx2x_dcbx_get_num_pg_traf_type(struct bnx2x *bp, |
| 1087 | u32 *pg_pri_orginal_spread, |
| 1088 | struct pg_help_data *help_data) |
| 1089 | { |
| 1090 | bool pg_found = false; |
| 1091 | u32 i, traf_type, add_traf_type, add_pg; |
| 1092 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; |
| 1093 | struct pg_entry_help_data *data = help_data->data; /*shotcut*/ |
| 1094 | |
| 1095 | /* Set to invalid */ |
| 1096 | for (i = 0; i < LLFC_DRIVER_TRAFFIC_TYPE_MAX; i++) |
| 1097 | data[i].pg = DCBX_ILLEGAL_PG; |
| 1098 | |
| 1099 | for (add_traf_type = 0; |
| 1100 | add_traf_type < LLFC_DRIVER_TRAFFIC_TYPE_MAX; add_traf_type++) { |
| 1101 | pg_found = false; |
| 1102 | if (ttp[add_traf_type] < MAX_PFC_PRIORITIES) { |
| 1103 | add_pg = (u8)pg_pri_orginal_spread[ttp[add_traf_type]]; |
| 1104 | for (traf_type = 0; |
| 1105 | traf_type < LLFC_DRIVER_TRAFFIC_TYPE_MAX; |
| 1106 | traf_type++) { |
| 1107 | if (data[traf_type].pg == add_pg) { |
| 1108 | if (!(data[traf_type].pg_priority & |
| 1109 | (1 << ttp[add_traf_type]))) |
| 1110 | data[traf_type]. |
| 1111 | num_of_dif_pri++; |
| 1112 | data[traf_type].pg_priority |= |
| 1113 | (1 << ttp[add_traf_type]); |
| 1114 | pg_found = true; |
| 1115 | break; |
| 1116 | } |
| 1117 | } |
| 1118 | if (false == pg_found) { |
| 1119 | data[help_data->num_of_pg].pg = add_pg; |
| 1120 | data[help_data->num_of_pg].pg_priority = |
| 1121 | (1 << ttp[add_traf_type]); |
| 1122 | data[help_data->num_of_pg].num_of_dif_pri = 1; |
| 1123 | help_data->num_of_pg++; |
| 1124 | } |
| 1125 | } |
| 1126 | DP(NETIF_MSG_LINK, |
| 1127 | "add_traf_type %d pg_found %s num_of_pg %d\n", |
| 1128 | add_traf_type, (false == pg_found) ? "NO" : "YES", |
| 1129 | help_data->num_of_pg); |
| 1130 | } |
| 1131 | } |
| 1132 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1133 | static void bnx2x_dcbx_ets_disabled_entry_data(struct bnx2x *bp, |
| 1134 | struct cos_help_data *cos_data, |
| 1135 | u32 pri_join_mask) |
| 1136 | { |
| 1137 | /* Only one priority than only one COS */ |
| 1138 | cos_data->data[0].pausable = |
| 1139 | IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask); |
| 1140 | cos_data->data[0].pri_join_mask = pri_join_mask; |
| 1141 | cos_data->data[0].cos_bw = 100; |
| 1142 | cos_data->num_of_cos = 1; |
| 1143 | } |
| 1144 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1145 | static inline void bnx2x_dcbx_add_to_cos_bw(struct bnx2x *bp, |
| 1146 | struct cos_entry_help_data *data, |
| 1147 | u8 pg_bw) |
| 1148 | { |
| 1149 | if (data->cos_bw == DCBX_INVALID_COS_BW) |
| 1150 | data->cos_bw = pg_bw; |
| 1151 | else |
| 1152 | data->cos_bw += pg_bw; |
| 1153 | } |
| 1154 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1155 | static void bnx2x_dcbx_separate_pauseable_from_non(struct bnx2x *bp, |
| 1156 | struct cos_help_data *cos_data, |
| 1157 | u32 *pg_pri_orginal_spread, |
| 1158 | struct dcbx_ets_feature *ets) |
| 1159 | { |
| 1160 | u32 pri_tested = 0; |
| 1161 | u8 i = 0; |
| 1162 | u8 entry = 0; |
| 1163 | u8 pg_entry = 0; |
| 1164 | u8 num_of_pri = LLFC_DRIVER_TRAFFIC_TYPE_MAX; |
| 1165 | |
| 1166 | cos_data->data[0].pausable = true; |
| 1167 | cos_data->data[1].pausable = false; |
| 1168 | cos_data->data[0].pri_join_mask = cos_data->data[1].pri_join_mask = 0; |
| 1169 | |
| 1170 | for (i = 0 ; i < num_of_pri ; i++) { |
| 1171 | pri_tested = 1 << bp->dcbx_port_params. |
| 1172 | app.traffic_type_priority[i]; |
| 1173 | |
| 1174 | if (pri_tested & DCBX_PFC_PRI_NON_PAUSE_MASK(bp)) { |
| 1175 | cos_data->data[1].pri_join_mask |= pri_tested; |
| 1176 | entry = 1; |
| 1177 | } else { |
| 1178 | cos_data->data[0].pri_join_mask |= pri_tested; |
| 1179 | entry = 0; |
| 1180 | } |
| 1181 | pg_entry = (u8)pg_pri_orginal_spread[bp->dcbx_port_params. |
| 1182 | app.traffic_type_priority[i]]; |
| 1183 | /* There can be only one strict pg */ |
| 1184 | if (pg_entry < DCBX_MAX_NUM_PG_BW_ENTRIES) |
| 1185 | bnx2x_dcbx_add_to_cos_bw(bp, &cos_data->data[entry], |
| 1186 | DCBX_PG_BW_GET(ets->pg_bw_tbl, pg_entry)); |
| 1187 | else |
| 1188 | /* If we join a group and one is strict |
| 1189 | * than the bw rulls */ |
| 1190 | cos_data->data[entry].strict = |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1191 | BNX2X_DCBX_STRICT_COS_HIGHEST; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1192 | } |
| 1193 | if ((0 == cos_data->data[0].pri_join_mask) && |
| 1194 | (0 == cos_data->data[1].pri_join_mask)) |
| 1195 | BNX2X_ERR("dcbx error: Both groups must have priorities\n"); |
| 1196 | } |
| 1197 | |
| 1198 | |
| 1199 | #ifndef POWER_OF_2 |
| 1200 | #define POWER_OF_2(x) ((0 != x) && (0 == (x & (x-1)))) |
| 1201 | #endif |
| 1202 | |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1203 | 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] | 1204 | struct pg_help_data *pg_help_data, |
| 1205 | struct cos_help_data *cos_data, |
| 1206 | u32 pri_join_mask, |
| 1207 | u8 num_of_dif_pri) |
| 1208 | { |
| 1209 | u8 i = 0; |
| 1210 | u32 pri_tested = 0; |
| 1211 | u32 pri_mask_without_pri = 0; |
| 1212 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; |
| 1213 | /*debug*/ |
| 1214 | if (num_of_dif_pri == 1) { |
| 1215 | bnx2x_dcbx_ets_disabled_entry_data(bp, cos_data, pri_join_mask); |
| 1216 | return; |
| 1217 | } |
| 1218 | /* single priority group */ |
| 1219 | if (pg_help_data->data[0].pg < DCBX_MAX_NUM_PG_BW_ENTRIES) { |
| 1220 | /* If there are both pauseable and non-pauseable priorities, |
| 1221 | * the pauseable priorities go to the first queue and |
| 1222 | * the non-pauseable priorities go to the second queue. |
| 1223 | */ |
| 1224 | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) { |
| 1225 | /* Pauseable */ |
| 1226 | cos_data->data[0].pausable = true; |
| 1227 | /* Non pauseable.*/ |
| 1228 | cos_data->data[1].pausable = false; |
| 1229 | |
| 1230 | if (2 == num_of_dif_pri) { |
| 1231 | cos_data->data[0].cos_bw = 50; |
| 1232 | cos_data->data[1].cos_bw = 50; |
| 1233 | } |
| 1234 | |
| 1235 | if (3 == num_of_dif_pri) { |
| 1236 | if (POWER_OF_2(DCBX_PFC_PRI_GET_PAUSE(bp, |
| 1237 | pri_join_mask))) { |
| 1238 | cos_data->data[0].cos_bw = 33; |
| 1239 | cos_data->data[1].cos_bw = 67; |
| 1240 | } else { |
| 1241 | cos_data->data[0].cos_bw = 67; |
| 1242 | cos_data->data[1].cos_bw = 33; |
| 1243 | } |
| 1244 | } |
| 1245 | |
| 1246 | } else if (IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask)) { |
| 1247 | /* If there are only pauseable priorities, |
| 1248 | * then one/two priorities go to the first queue |
| 1249 | * and one priority goes to the second queue. |
| 1250 | */ |
| 1251 | if (2 == num_of_dif_pri) { |
| 1252 | cos_data->data[0].cos_bw = 50; |
| 1253 | cos_data->data[1].cos_bw = 50; |
| 1254 | } else { |
| 1255 | cos_data->data[0].cos_bw = 67; |
| 1256 | cos_data->data[1].cos_bw = 33; |
| 1257 | } |
| 1258 | cos_data->data[1].pausable = true; |
| 1259 | cos_data->data[0].pausable = true; |
| 1260 | /* All priorities except FCOE */ |
| 1261 | cos_data->data[0].pri_join_mask = (pri_join_mask & |
| 1262 | ((u8)~(1 << ttp[LLFC_TRAFFIC_TYPE_FCOE]))); |
| 1263 | /* Only FCOE priority.*/ |
| 1264 | cos_data->data[1].pri_join_mask = |
| 1265 | (1 << ttp[LLFC_TRAFFIC_TYPE_FCOE]); |
| 1266 | } else |
| 1267 | /* If there are only non-pauseable priorities, |
| 1268 | * they will all go to the same queue. |
| 1269 | */ |
| 1270 | bnx2x_dcbx_ets_disabled_entry_data(bp, |
| 1271 | cos_data, pri_join_mask); |
| 1272 | } else { |
| 1273 | /* priority group which is not BW limited (PG#15):*/ |
| 1274 | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) { |
| 1275 | /* If there are both pauseable and non-pauseable |
| 1276 | * priorities, the pauseable priorities go to the first |
| 1277 | * queue and the non-pauseable priorities |
| 1278 | * go to the second queue. |
| 1279 | */ |
| 1280 | if (DCBX_PFC_PRI_GET_PAUSE(bp, pri_join_mask) > |
| 1281 | DCBX_PFC_PRI_GET_NON_PAUSE(bp, pri_join_mask)) { |
| 1282 | cos_data->data[0].strict = |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1283 | BNX2X_DCBX_STRICT_COS_HIGHEST; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1284 | cos_data->data[1].strict = |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1285 | BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI( |
| 1286 | BNX2X_DCBX_STRICT_COS_HIGHEST); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1287 | } else { |
| 1288 | cos_data->data[0].strict = |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1289 | BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI( |
| 1290 | BNX2X_DCBX_STRICT_COS_HIGHEST); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1291 | cos_data->data[1].strict = |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1292 | BNX2X_DCBX_STRICT_COS_HIGHEST; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1293 | } |
| 1294 | /* Pauseable */ |
| 1295 | cos_data->data[0].pausable = true; |
| 1296 | /* Non pause-able.*/ |
| 1297 | cos_data->data[1].pausable = false; |
| 1298 | } else { |
| 1299 | /* If there are only pauseable priorities or |
| 1300 | * only non-pauseable,* the lower priorities go |
| 1301 | * to the first queue and the higherpriorities go |
| 1302 | * to the second queue. |
| 1303 | */ |
| 1304 | cos_data->data[0].pausable = |
| 1305 | cos_data->data[1].pausable = |
| 1306 | IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask); |
| 1307 | |
| 1308 | for (i = 0 ; i < LLFC_DRIVER_TRAFFIC_TYPE_MAX; i++) { |
| 1309 | pri_tested = 1 << bp->dcbx_port_params. |
| 1310 | app.traffic_type_priority[i]; |
| 1311 | /* Remove priority tested */ |
| 1312 | pri_mask_without_pri = |
| 1313 | (pri_join_mask & ((u8)(~pri_tested))); |
| 1314 | if (pri_mask_without_pri < pri_tested) |
| 1315 | break; |
| 1316 | } |
| 1317 | |
| 1318 | if (i == LLFC_DRIVER_TRAFFIC_TYPE_MAX) |
| 1319 | BNX2X_ERR("Invalid value for pri_join_mask -" |
| 1320 | " could not find a priority\n"); |
| 1321 | |
| 1322 | cos_data->data[0].pri_join_mask = pri_mask_without_pri; |
| 1323 | cos_data->data[1].pri_join_mask = pri_tested; |
| 1324 | /* Both queues are strict priority, |
| 1325 | * and that with the highest priority |
| 1326 | * gets the highest strict priority in the arbiter. |
| 1327 | */ |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1328 | cos_data->data[0].strict = |
| 1329 | BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI( |
| 1330 | BNX2X_DCBX_STRICT_COS_HIGHEST); |
| 1331 | cos_data->data[1].strict = |
| 1332 | BNX2X_DCBX_STRICT_COS_HIGHEST; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1333 | } |
| 1334 | } |
| 1335 | } |
| 1336 | |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1337 | static void bnx2x_dcbx_2cos_limit_cee_two_pg_to_cos_params( |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1338 | struct bnx2x *bp, |
| 1339 | struct pg_help_data *pg_help_data, |
| 1340 | struct dcbx_ets_feature *ets, |
| 1341 | struct cos_help_data *cos_data, |
| 1342 | u32 *pg_pri_orginal_spread, |
| 1343 | u32 pri_join_mask, |
| 1344 | u8 num_of_dif_pri) |
| 1345 | { |
| 1346 | u8 i = 0; |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1347 | u8 pg[DCBX_COS_MAX_NUM_E2] = { 0 }; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1348 | |
| 1349 | /* If there are both pauseable and non-pauseable priorities, |
| 1350 | * the pauseable priorities go to the first queue and |
| 1351 | * the non-pauseable priorities go to the second queue. |
| 1352 | */ |
| 1353 | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) { |
| 1354 | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, |
| 1355 | pg_help_data->data[0].pg_priority) || |
| 1356 | IS_DCBX_PFC_PRI_MIX_PAUSE(bp, |
| 1357 | pg_help_data->data[1].pg_priority)) { |
| 1358 | /* If one PG contains both pauseable and |
| 1359 | * non-pauseable priorities then ETS is disabled. |
| 1360 | */ |
| 1361 | bnx2x_dcbx_separate_pauseable_from_non(bp, cos_data, |
| 1362 | pg_pri_orginal_spread, ets); |
| 1363 | bp->dcbx_port_params.ets.enabled = false; |
| 1364 | return; |
| 1365 | } |
| 1366 | |
| 1367 | /* Pauseable */ |
| 1368 | cos_data->data[0].pausable = true; |
| 1369 | /* Non pauseable. */ |
| 1370 | cos_data->data[1].pausable = false; |
| 1371 | if (IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, |
| 1372 | pg_help_data->data[0].pg_priority)) { |
| 1373 | /* 0 is pauseable */ |
| 1374 | cos_data->data[0].pri_join_mask = |
| 1375 | pg_help_data->data[0].pg_priority; |
| 1376 | pg[0] = pg_help_data->data[0].pg; |
| 1377 | cos_data->data[1].pri_join_mask = |
| 1378 | pg_help_data->data[1].pg_priority; |
| 1379 | pg[1] = pg_help_data->data[1].pg; |
| 1380 | } else {/* 1 is pauseable */ |
| 1381 | cos_data->data[0].pri_join_mask = |
| 1382 | pg_help_data->data[1].pg_priority; |
| 1383 | pg[0] = pg_help_data->data[1].pg; |
| 1384 | cos_data->data[1].pri_join_mask = |
| 1385 | pg_help_data->data[0].pg_priority; |
| 1386 | pg[1] = pg_help_data->data[0].pg; |
| 1387 | } |
| 1388 | } else { |
| 1389 | /* If there are only pauseable priorities or |
| 1390 | * only non-pauseable, each PG goes to a queue. |
| 1391 | */ |
| 1392 | cos_data->data[0].pausable = cos_data->data[1].pausable = |
| 1393 | IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask); |
| 1394 | cos_data->data[0].pri_join_mask = |
| 1395 | pg_help_data->data[0].pg_priority; |
| 1396 | pg[0] = pg_help_data->data[0].pg; |
| 1397 | cos_data->data[1].pri_join_mask = |
| 1398 | pg_help_data->data[1].pg_priority; |
| 1399 | pg[1] = pg_help_data->data[1].pg; |
| 1400 | } |
| 1401 | |
| 1402 | /* There can be only one strict pg */ |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1403 | for (i = 0 ; i < ARRAY_SIZE(pg); i++) { |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1404 | if (pg[i] < DCBX_MAX_NUM_PG_BW_ENTRIES) |
| 1405 | cos_data->data[i].cos_bw = |
| 1406 | DCBX_PG_BW_GET(ets->pg_bw_tbl, pg[i]); |
| 1407 | else |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1408 | cos_data->data[i].strict = |
| 1409 | BNX2X_DCBX_STRICT_COS_HIGHEST; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1410 | } |
| 1411 | } |
| 1412 | |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1413 | static int bnx2x_dcbx_join_pgs( |
| 1414 | struct bnx2x *bp, |
| 1415 | struct dcbx_ets_feature *ets, |
| 1416 | struct pg_help_data *pg_help_data, |
| 1417 | u8 required_num_of_pg) |
| 1418 | { |
| 1419 | u8 entry_joined = pg_help_data->num_of_pg - 1; |
| 1420 | u8 entry_removed = entry_joined + 1; |
| 1421 | u8 pg_joined = 0; |
| 1422 | |
| 1423 | if (required_num_of_pg == 0 || ARRAY_SIZE(pg_help_data->data) |
| 1424 | <= pg_help_data->num_of_pg) { |
| 1425 | |
| 1426 | BNX2X_ERR("required_num_of_pg can't be zero\n"); |
| 1427 | return -EINVAL; |
| 1428 | } |
| 1429 | |
| 1430 | while (required_num_of_pg < pg_help_data->num_of_pg) { |
| 1431 | entry_joined = pg_help_data->num_of_pg - 2; |
| 1432 | entry_removed = entry_joined + 1; |
| 1433 | /* protect index */ |
| 1434 | entry_removed %= ARRAY_SIZE(pg_help_data->data); |
| 1435 | |
| 1436 | pg_help_data->data[entry_joined].pg_priority |= |
| 1437 | pg_help_data->data[entry_removed].pg_priority; |
| 1438 | |
| 1439 | pg_help_data->data[entry_joined].num_of_dif_pri += |
| 1440 | pg_help_data->data[entry_removed].num_of_dif_pri; |
| 1441 | |
| 1442 | if (pg_help_data->data[entry_joined].pg == DCBX_STRICT_PRI_PG || |
| 1443 | pg_help_data->data[entry_removed].pg == DCBX_STRICT_PRI_PG) |
| 1444 | /* Entries joined strict priority rules */ |
| 1445 | pg_help_data->data[entry_joined].pg = |
| 1446 | DCBX_STRICT_PRI_PG; |
| 1447 | else { |
| 1448 | /* Entries can be joined join BW */ |
| 1449 | pg_joined = DCBX_PG_BW_GET(ets->pg_bw_tbl, |
| 1450 | pg_help_data->data[entry_joined].pg) + |
| 1451 | DCBX_PG_BW_GET(ets->pg_bw_tbl, |
| 1452 | pg_help_data->data[entry_removed].pg); |
| 1453 | |
| 1454 | DCBX_PG_BW_SET(ets->pg_bw_tbl, |
| 1455 | pg_help_data->data[entry_joined].pg, pg_joined); |
| 1456 | } |
| 1457 | /* Joined the entries */ |
| 1458 | pg_help_data->num_of_pg--; |
| 1459 | } |
| 1460 | |
| 1461 | return 0; |
| 1462 | } |
| 1463 | |
| 1464 | static void bnx2x_dcbx_2cos_limit_cee_three_pg_to_cos_params( |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1465 | struct bnx2x *bp, |
| 1466 | struct pg_help_data *pg_help_data, |
| 1467 | struct dcbx_ets_feature *ets, |
| 1468 | struct cos_help_data *cos_data, |
| 1469 | u32 *pg_pri_orginal_spread, |
| 1470 | u32 pri_join_mask, |
| 1471 | u8 num_of_dif_pri) |
| 1472 | { |
| 1473 | u8 i = 0; |
| 1474 | u32 pri_tested = 0; |
| 1475 | u8 entry = 0; |
| 1476 | u8 pg_entry = 0; |
| 1477 | bool b_found_strict = false; |
| 1478 | u8 num_of_pri = LLFC_DRIVER_TRAFFIC_TYPE_MAX; |
| 1479 | |
| 1480 | cos_data->data[0].pri_join_mask = cos_data->data[1].pri_join_mask = 0; |
| 1481 | /* If there are both pauseable and non-pauseable priorities, |
| 1482 | * the pauseable priorities go to the first queue and the |
| 1483 | * non-pauseable priorities go to the second queue. |
| 1484 | */ |
| 1485 | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) |
| 1486 | bnx2x_dcbx_separate_pauseable_from_non(bp, |
| 1487 | cos_data, pg_pri_orginal_spread, ets); |
| 1488 | else { |
| 1489 | /* If two BW-limited PG-s were combined to one queue, |
| 1490 | * the BW is their sum. |
| 1491 | * |
| 1492 | * If there are only pauseable priorities or only non-pauseable, |
| 1493 | * and there are both BW-limited and non-BW-limited PG-s, |
| 1494 | * the BW-limited PG/s go to one queue and the non-BW-limited |
| 1495 | * PG/s go to the second queue. |
| 1496 | * |
| 1497 | * If there are only pauseable priorities or only non-pauseable |
| 1498 | * and all are BW limited, then two priorities go to the first |
| 1499 | * queue and one priority goes to the second queue. |
| 1500 | * |
| 1501 | * We will join this two cases: |
| 1502 | * if one is BW limited it will go to the secoend queue |
| 1503 | * otherwise the last priority will get it |
| 1504 | */ |
| 1505 | |
| 1506 | cos_data->data[0].pausable = cos_data->data[1].pausable = |
| 1507 | IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask); |
| 1508 | |
| 1509 | for (i = 0 ; i < num_of_pri; i++) { |
| 1510 | pri_tested = 1 << bp->dcbx_port_params. |
| 1511 | app.traffic_type_priority[i]; |
| 1512 | pg_entry = (u8)pg_pri_orginal_spread[bp-> |
| 1513 | dcbx_port_params.app.traffic_type_priority[i]]; |
| 1514 | |
| 1515 | if (pg_entry < DCBX_MAX_NUM_PG_BW_ENTRIES) { |
| 1516 | entry = 0; |
| 1517 | |
| 1518 | if (i == (num_of_pri-1) && |
| 1519 | false == b_found_strict) |
| 1520 | /* last entry will be handled separately |
| 1521 | * If no priority is strict than last |
| 1522 | * enty goes to last queue.*/ |
| 1523 | entry = 1; |
| 1524 | cos_data->data[entry].pri_join_mask |= |
| 1525 | pri_tested; |
| 1526 | bnx2x_dcbx_add_to_cos_bw(bp, |
| 1527 | &cos_data->data[entry], |
| 1528 | DCBX_PG_BW_GET(ets->pg_bw_tbl, |
| 1529 | pg_entry)); |
| 1530 | } else { |
| 1531 | b_found_strict = true; |
| 1532 | cos_data->data[1].pri_join_mask |= pri_tested; |
| 1533 | /* If we join a group and one is strict |
| 1534 | * than the bw rulls */ |
| 1535 | cos_data->data[1].strict = |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1536 | BNX2X_DCBX_STRICT_COS_HIGHEST; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1537 | } |
| 1538 | } |
| 1539 | } |
| 1540 | } |
| 1541 | |
| 1542 | |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1543 | static void bnx2x_dcbx_2cos_limit_cee_fill_cos_params(struct bnx2x *bp, |
| 1544 | struct pg_help_data *help_data, |
| 1545 | struct dcbx_ets_feature *ets, |
| 1546 | struct cos_help_data *cos_data, |
| 1547 | u32 *pg_pri_orginal_spread, |
| 1548 | u32 pri_join_mask, |
| 1549 | u8 num_of_dif_pri) |
| 1550 | { |
| 1551 | |
| 1552 | /* default E2 settings */ |
| 1553 | cos_data->num_of_cos = DCBX_COS_MAX_NUM_E2; |
| 1554 | |
| 1555 | switch (help_data->num_of_pg) { |
| 1556 | case 1: |
| 1557 | bnx2x_dcbx_2cos_limit_cee_single_pg_to_cos_params( |
| 1558 | bp, |
| 1559 | help_data, |
| 1560 | cos_data, |
| 1561 | pri_join_mask, |
| 1562 | num_of_dif_pri); |
| 1563 | break; |
| 1564 | case 2: |
| 1565 | bnx2x_dcbx_2cos_limit_cee_two_pg_to_cos_params( |
| 1566 | bp, |
| 1567 | help_data, |
| 1568 | ets, |
| 1569 | cos_data, |
| 1570 | pg_pri_orginal_spread, |
| 1571 | pri_join_mask, |
| 1572 | num_of_dif_pri); |
| 1573 | break; |
| 1574 | |
| 1575 | case 3: |
| 1576 | bnx2x_dcbx_2cos_limit_cee_three_pg_to_cos_params( |
| 1577 | bp, |
| 1578 | help_data, |
| 1579 | ets, |
| 1580 | cos_data, |
| 1581 | pg_pri_orginal_spread, |
| 1582 | pri_join_mask, |
| 1583 | num_of_dif_pri); |
| 1584 | break; |
| 1585 | default: |
| 1586 | BNX2X_ERR("Wrong pg_help_data.num_of_pg\n"); |
| 1587 | bnx2x_dcbx_ets_disabled_entry_data(bp, |
| 1588 | cos_data, pri_join_mask); |
| 1589 | } |
| 1590 | } |
| 1591 | |
| 1592 | static int bnx2x_dcbx_spread_strict_pri(struct bnx2x *bp, |
| 1593 | struct cos_help_data *cos_data, |
| 1594 | u8 entry, |
| 1595 | u8 num_spread_of_entries, |
| 1596 | u8 strict_app_pris) |
| 1597 | { |
| 1598 | u8 strict_pri = BNX2X_DCBX_STRICT_COS_HIGHEST; |
| 1599 | u8 num_of_app_pri = MAX_PFC_PRIORITIES; |
| 1600 | u8 app_pri_bit = 0; |
| 1601 | |
| 1602 | while (num_spread_of_entries && num_of_app_pri > 0) { |
| 1603 | app_pri_bit = 1 << (num_of_app_pri - 1); |
| 1604 | if (app_pri_bit & strict_app_pris) { |
| 1605 | struct cos_entry_help_data *data = &cos_data-> |
| 1606 | data[entry]; |
| 1607 | num_spread_of_entries--; |
| 1608 | if (num_spread_of_entries == 0) { |
| 1609 | /* last entry needed put all the entries left */ |
| 1610 | data->cos_bw = DCBX_INVALID_COS_BW; |
| 1611 | data->strict = strict_pri; |
| 1612 | data->pri_join_mask = strict_app_pris; |
| 1613 | data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp, |
| 1614 | data->pri_join_mask); |
| 1615 | } else { |
| 1616 | strict_app_pris &= ~app_pri_bit; |
| 1617 | |
| 1618 | data->cos_bw = DCBX_INVALID_COS_BW; |
| 1619 | data->strict = strict_pri; |
| 1620 | data->pri_join_mask = app_pri_bit; |
| 1621 | data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp, |
| 1622 | data->pri_join_mask); |
| 1623 | } |
| 1624 | |
| 1625 | strict_pri = |
| 1626 | BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI(strict_pri); |
| 1627 | entry++; |
| 1628 | } |
| 1629 | |
| 1630 | num_of_app_pri--; |
| 1631 | } |
| 1632 | |
| 1633 | if (num_spread_of_entries) |
| 1634 | return -EINVAL; |
| 1635 | |
| 1636 | return 0; |
| 1637 | } |
| 1638 | |
| 1639 | static u8 bnx2x_dcbx_cee_fill_strict_pri(struct bnx2x *bp, |
| 1640 | struct cos_help_data *cos_data, |
| 1641 | u8 entry, |
| 1642 | u8 num_spread_of_entries, |
| 1643 | u8 strict_app_pris) |
| 1644 | { |
| 1645 | |
| 1646 | if (bnx2x_dcbx_spread_strict_pri(bp, cos_data, entry, |
| 1647 | num_spread_of_entries, |
| 1648 | strict_app_pris)) { |
| 1649 | struct cos_entry_help_data *data = &cos_data-> |
| 1650 | data[entry]; |
| 1651 | /* Fill BW entry */ |
| 1652 | data->cos_bw = DCBX_INVALID_COS_BW; |
| 1653 | data->strict = BNX2X_DCBX_STRICT_COS_HIGHEST; |
| 1654 | data->pri_join_mask = strict_app_pris; |
| 1655 | data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp, |
| 1656 | data->pri_join_mask); |
| 1657 | return 1; |
| 1658 | } |
| 1659 | |
| 1660 | return num_spread_of_entries; |
| 1661 | } |
| 1662 | |
| 1663 | static void bnx2x_dcbx_cee_fill_cos_params(struct bnx2x *bp, |
| 1664 | struct pg_help_data *help_data, |
| 1665 | struct dcbx_ets_feature *ets, |
| 1666 | struct cos_help_data *cos_data, |
| 1667 | u32 pri_join_mask) |
| 1668 | |
| 1669 | { |
| 1670 | u8 need_num_of_entries = 0; |
| 1671 | u8 i = 0; |
| 1672 | u8 entry = 0; |
| 1673 | |
| 1674 | /* |
| 1675 | * if the number of requested PG-s in CEE is greater than 3 |
| 1676 | * then the results are not determined since this is a violation |
| 1677 | * of the standard. |
| 1678 | */ |
| 1679 | if (help_data->num_of_pg > DCBX_COS_MAX_NUM_E3B0) { |
| 1680 | if (bnx2x_dcbx_join_pgs(bp, ets, help_data, |
| 1681 | DCBX_COS_MAX_NUM_E3B0)) { |
| 1682 | BNX2X_ERR("Unable to reduce the number of PGs -" |
| 1683 | "we will disables ETS\n"); |
| 1684 | bnx2x_dcbx_ets_disabled_entry_data(bp, cos_data, |
| 1685 | pri_join_mask); |
| 1686 | return; |
| 1687 | } |
| 1688 | } |
| 1689 | |
| 1690 | for (i = 0 ; i < help_data->num_of_pg; i++) { |
| 1691 | struct pg_entry_help_data *pg = &help_data->data[i]; |
| 1692 | if (pg->pg < DCBX_MAX_NUM_PG_BW_ENTRIES) { |
| 1693 | struct cos_entry_help_data *data = &cos_data-> |
| 1694 | data[entry]; |
| 1695 | /* Fill BW entry */ |
| 1696 | data->cos_bw = DCBX_PG_BW_GET(ets->pg_bw_tbl, pg->pg); |
| 1697 | data->strict = BNX2X_DCBX_STRICT_INVALID; |
| 1698 | data->pri_join_mask = pg->pg_priority; |
| 1699 | data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp, |
| 1700 | data->pri_join_mask); |
| 1701 | |
| 1702 | entry++; |
| 1703 | } else { |
| 1704 | need_num_of_entries = min_t(u8, |
| 1705 | (u8)pg->num_of_dif_pri, |
| 1706 | (u8)DCBX_COS_MAX_NUM_E3B0 - |
| 1707 | help_data->num_of_pg + 1); |
| 1708 | /* |
| 1709 | * If there are still VOQ-s which have no associated PG, |
| 1710 | * then associate these VOQ-s to PG15. These PG-s will |
| 1711 | * be used for SP between priorities on PG15. |
| 1712 | */ |
| 1713 | entry += bnx2x_dcbx_cee_fill_strict_pri(bp, cos_data, |
| 1714 | entry, need_num_of_entries, pg->pg_priority); |
| 1715 | } |
| 1716 | } |
| 1717 | |
| 1718 | /* the entry will represent the number of COSes used */ |
| 1719 | cos_data->num_of_cos = entry; |
| 1720 | } |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1721 | static void bnx2x_dcbx_fill_cos_params(struct bnx2x *bp, |
| 1722 | struct pg_help_data *help_data, |
| 1723 | struct dcbx_ets_feature *ets, |
| 1724 | u32 *pg_pri_orginal_spread) |
| 1725 | { |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1726 | struct cos_help_data cos_data; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1727 | u8 i = 0; |
| 1728 | u32 pri_join_mask = 0; |
| 1729 | u8 num_of_dif_pri = 0; |
| 1730 | |
| 1731 | memset(&cos_data, 0, sizeof(cos_data)); |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1732 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1733 | /* Validate the pg value */ |
| 1734 | for (i = 0; i < help_data->num_of_pg ; i++) { |
| 1735 | if (DCBX_STRICT_PRIORITY != help_data->data[i].pg && |
| 1736 | DCBX_MAX_NUM_PG_BW_ENTRIES <= help_data->data[i].pg) |
| 1737 | BNX2X_ERR("Invalid pg[%d] data %x\n", i, |
| 1738 | help_data->data[i].pg); |
| 1739 | pri_join_mask |= help_data->data[i].pg_priority; |
| 1740 | num_of_dif_pri += help_data->data[i].num_of_dif_pri; |
| 1741 | } |
| 1742 | |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1743 | /* defaults */ |
| 1744 | cos_data.num_of_cos = 1; |
| 1745 | for (i = 0; i < ARRAY_SIZE(cos_data.data); i++) { |
| 1746 | cos_data.data[i].pri_join_mask = 0; |
| 1747 | cos_data.data[i].pausable = false; |
| 1748 | cos_data.data[i].strict = BNX2X_DCBX_STRICT_INVALID; |
| 1749 | cos_data.data[i].cos_bw = DCBX_INVALID_COS_BW; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1750 | } |
| 1751 | |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1752 | if (CHIP_IS_E3B0(bp)) |
| 1753 | bnx2x_dcbx_cee_fill_cos_params(bp, help_data, ets, |
| 1754 | &cos_data, pri_join_mask); |
| 1755 | else /* E2 + E3A0 */ |
| 1756 | bnx2x_dcbx_2cos_limit_cee_fill_cos_params(bp, |
| 1757 | help_data, ets, |
| 1758 | &cos_data, |
| 1759 | pg_pri_orginal_spread, |
| 1760 | pri_join_mask, |
| 1761 | num_of_dif_pri); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1762 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1763 | for (i = 0; i < cos_data.num_of_cos ; i++) { |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1764 | struct bnx2x_dcbx_cos_params *p = |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1765 | &bp->dcbx_port_params.ets.cos_params[i]; |
| 1766 | |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1767 | p->strict = cos_data.data[i].strict; |
| 1768 | p->bw_tbl = cos_data.data[i].cos_bw; |
| 1769 | p->pri_bitmask = cos_data.data[i].pri_join_mask; |
| 1770 | p->pauseable = cos_data.data[i].pausable; |
| 1771 | |
| 1772 | /* sanity */ |
| 1773 | if (p->bw_tbl != DCBX_INVALID_COS_BW || |
| 1774 | p->strict != BNX2X_DCBX_STRICT_INVALID) { |
| 1775 | if (p->pri_bitmask == 0) |
| 1776 | BNX2X_ERR("Invalid pri_bitmask for %d\n", i); |
| 1777 | |
| 1778 | if (CHIP_IS_E2(bp) || CHIP_IS_E3A0(bp)) { |
| 1779 | |
| 1780 | if (p->pauseable && |
| 1781 | DCBX_PFC_PRI_GET_NON_PAUSE(bp, |
| 1782 | p->pri_bitmask) != 0) |
| 1783 | BNX2X_ERR("Inconsistent config for " |
| 1784 | "pausable COS %d\n", i); |
| 1785 | |
| 1786 | if (!p->pauseable && |
| 1787 | DCBX_PFC_PRI_GET_PAUSE(bp, |
| 1788 | p->pri_bitmask) != 0) |
| 1789 | BNX2X_ERR("Inconsistent config for " |
| 1790 | "nonpausable COS %d\n", i); |
| 1791 | } |
| 1792 | } |
| 1793 | |
| 1794 | if (p->pauseable) |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1795 | DP(NETIF_MSG_LINK, "COS %d PAUSABLE prijoinmask 0x%x\n", |
| 1796 | i, cos_data.data[i].pri_join_mask); |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 1797 | else |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1798 | DP(NETIF_MSG_LINK, "COS %d NONPAUSABLE prijoinmask " |
| 1799 | "0x%x\n", |
| 1800 | i, cos_data.data[i].pri_join_mask); |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1801 | } |
| 1802 | |
| 1803 | bp->dcbx_port_params.ets.num_of_cos = cos_data.num_of_cos ; |
| 1804 | } |
| 1805 | |
| 1806 | static void bnx2x_dcbx_get_ets_pri_pg_tbl(struct bnx2x *bp, |
| 1807 | u32 *set_configuration_ets_pg, |
| 1808 | u32 *pri_pg_tbl) |
| 1809 | { |
| 1810 | int i; |
| 1811 | |
| 1812 | for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++) { |
| 1813 | set_configuration_ets_pg[i] = DCBX_PRI_PG_GET(pri_pg_tbl, i); |
| 1814 | |
| 1815 | DP(NETIF_MSG_LINK, "set_configuration_ets_pg[%d] = 0x%x\n", |
| 1816 | i, set_configuration_ets_pg[i]); |
| 1817 | } |
| 1818 | } |
| 1819 | |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 1820 | static void bnx2x_dcbx_fw_struct(struct bnx2x *bp, |
| 1821 | struct bnx2x_func_tx_start_params *pfc_fw_cfg) |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1822 | { |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1823 | u16 pri_bit = 0; |
| 1824 | u8 cos = 0, pri = 0; |
| 1825 | struct priority_cos *tt2cos; |
| 1826 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; |
| 1827 | |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 1828 | memset(pfc_fw_cfg, 0, sizeof(*pfc_fw_cfg)); |
| 1829 | |
| 1830 | /* to disable DCB - the structure must be zeroed */ |
| 1831 | if (bp->dcbx_error & DCBX_REMOTE_MIB_ERROR) |
| 1832 | return; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1833 | |
| 1834 | /*shortcut*/ |
| 1835 | tt2cos = pfc_fw_cfg->traffic_type_to_priority_cos; |
| 1836 | |
| 1837 | /* Fw version should be incremented each update */ |
| 1838 | pfc_fw_cfg->dcb_version = ++bp->dcb_version; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1839 | pfc_fw_cfg->dcb_enabled = 1; |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1840 | |
| 1841 | /* Fill priority parameters */ |
| 1842 | for (pri = 0; pri < LLFC_DRIVER_TRAFFIC_TYPE_MAX; pri++) { |
| 1843 | tt2cos[pri].priority = ttp[pri]; |
| 1844 | pri_bit = 1 << tt2cos[pri].priority; |
| 1845 | |
| 1846 | /* Fill COS parameters based on COS calculated to |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1847 | * make it more general for future use */ |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1848 | for (cos = 0; cos < bp->dcbx_port_params.ets.num_of_cos; cos++) |
| 1849 | if (bp->dcbx_port_params.ets.cos_params[cos]. |
| 1850 | pri_bitmask & pri_bit) |
| 1851 | tt2cos[pri].cos = cos; |
| 1852 | } |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1853 | |
| 1854 | /* we never want the FW to add a 0 vlan tag */ |
| 1855 | pfc_fw_cfg->dont_add_pri_0_en = 1; |
| 1856 | |
Vladislav Zolotarov | e4901dd | 2010-12-13 05:44:18 +0000 | [diff] [blame] | 1857 | bnx2x_dcbx_print_cos_params(bp, pfc_fw_cfg); |
| 1858 | } |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1859 | |
| 1860 | void bnx2x_dcbx_pmf_update(struct bnx2x *bp) |
| 1861 | { |
| 1862 | /* if we need to syncronize DCBX result from prev PMF |
| 1863 | * read it from shmem and update bp accordingly |
| 1864 | */ |
| 1865 | if (SHMEM2_HAS(bp, drv_flags) && |
| 1866 | GET_FLAGS(SHMEM2_RD(bp, drv_flags), DRV_FLAGS_DCB_CONFIGURED)) { |
| 1867 | /* Read neg results if dcbx is in the FW */ |
| 1868 | if (bnx2x_dcbx_read_shmem_neg_results(bp)) |
| 1869 | return; |
| 1870 | |
| 1871 | bnx2x_dump_dcbx_drv_param(bp, &bp->dcbx_local_feat, |
| 1872 | bp->dcbx_error); |
| 1873 | bnx2x_get_dcbx_drv_param(bp, &bp->dcbx_local_feat, |
| 1874 | bp->dcbx_error); |
| 1875 | } |
| 1876 | } |
| 1877 | |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 1878 | /* DCB netlink */ |
Shmulik Ravid | 9850767 | 2011-02-28 12:19:55 -0800 | [diff] [blame] | 1879 | #ifdef BCM_DCBNL |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 1880 | |
| 1881 | #define BNX2X_DCBX_CAPS (DCB_CAP_DCBX_LLD_MANAGED | \ |
| 1882 | DCB_CAP_DCBX_VER_CEE | DCB_CAP_DCBX_STATIC) |
| 1883 | |
| 1884 | static inline bool bnx2x_dcbnl_set_valid(struct bnx2x *bp) |
| 1885 | { |
| 1886 | /* validate dcbnl call that may change HW state: |
| 1887 | * DCB is on and DCBX mode was SUCCESSFULLY set by the user. |
| 1888 | */ |
| 1889 | return bp->dcb_state && bp->dcbx_mode_uset; |
| 1890 | } |
| 1891 | |
| 1892 | static u8 bnx2x_dcbnl_get_state(struct net_device *netdev) |
| 1893 | { |
| 1894 | struct bnx2x *bp = netdev_priv(netdev); |
| 1895 | DP(NETIF_MSG_LINK, "state = %d\n", bp->dcb_state); |
| 1896 | return bp->dcb_state; |
| 1897 | } |
| 1898 | |
| 1899 | static u8 bnx2x_dcbnl_set_state(struct net_device *netdev, u8 state) |
| 1900 | { |
| 1901 | struct bnx2x *bp = netdev_priv(netdev); |
| 1902 | DP(NETIF_MSG_LINK, "state = %s\n", state ? "on" : "off"); |
| 1903 | |
| 1904 | bnx2x_dcbx_set_state(bp, (state ? true : false), bp->dcbx_enabled); |
| 1905 | return 0; |
| 1906 | } |
| 1907 | |
| 1908 | static void bnx2x_dcbnl_get_perm_hw_addr(struct net_device *netdev, |
| 1909 | u8 *perm_addr) |
| 1910 | { |
| 1911 | struct bnx2x *bp = netdev_priv(netdev); |
| 1912 | DP(NETIF_MSG_LINK, "GET-PERM-ADDR\n"); |
| 1913 | |
| 1914 | /* first the HW mac address */ |
| 1915 | memcpy(perm_addr, netdev->dev_addr, netdev->addr_len); |
| 1916 | |
| 1917 | #ifdef BCM_CNIC |
| 1918 | /* second SAN address */ |
| 1919 | memcpy(perm_addr+netdev->addr_len, bp->fip_mac, netdev->addr_len); |
| 1920 | #endif |
| 1921 | } |
| 1922 | |
| 1923 | static void bnx2x_dcbnl_set_pg_tccfg_tx(struct net_device *netdev, int prio, |
| 1924 | u8 prio_type, u8 pgid, u8 bw_pct, |
| 1925 | u8 up_map) |
| 1926 | { |
| 1927 | struct bnx2x *bp = netdev_priv(netdev); |
| 1928 | |
| 1929 | DP(NETIF_MSG_LINK, "prio[%d] = %d\n", prio, pgid); |
| 1930 | if (!bnx2x_dcbnl_set_valid(bp) || prio >= DCBX_MAX_NUM_PRI_PG_ENTRIES) |
| 1931 | return; |
| 1932 | |
| 1933 | /** |
| 1934 | * bw_pct ingnored - band-width percentage devision between user |
| 1935 | * priorities within the same group is not |
| 1936 | * standard and hence not supported |
| 1937 | * |
| 1938 | * prio_type igonred - priority levels within the same group are not |
| 1939 | * standard and hence are not supported. According |
| 1940 | * to the standard pgid 15 is dedicated to strict |
| 1941 | * prioirty traffic (on the port level). |
| 1942 | * |
| 1943 | * up_map ignored |
| 1944 | */ |
| 1945 | |
| 1946 | bp->dcbx_config_params.admin_configuration_ets_pg[prio] = pgid; |
| 1947 | bp->dcbx_config_params.admin_ets_configuration_tx_enable = 1; |
| 1948 | } |
| 1949 | |
| 1950 | static void bnx2x_dcbnl_set_pg_bwgcfg_tx(struct net_device *netdev, |
| 1951 | int pgid, u8 bw_pct) |
| 1952 | { |
| 1953 | struct bnx2x *bp = netdev_priv(netdev); |
| 1954 | DP(NETIF_MSG_LINK, "pgid[%d] = %d\n", pgid, bw_pct); |
| 1955 | |
| 1956 | if (!bnx2x_dcbnl_set_valid(bp) || pgid >= DCBX_MAX_NUM_PG_BW_ENTRIES) |
| 1957 | return; |
| 1958 | |
| 1959 | bp->dcbx_config_params.admin_configuration_bw_precentage[pgid] = bw_pct; |
| 1960 | bp->dcbx_config_params.admin_ets_configuration_tx_enable = 1; |
| 1961 | } |
| 1962 | |
| 1963 | static void bnx2x_dcbnl_set_pg_tccfg_rx(struct net_device *netdev, int prio, |
| 1964 | u8 prio_type, u8 pgid, u8 bw_pct, |
| 1965 | u8 up_map) |
| 1966 | { |
| 1967 | struct bnx2x *bp = netdev_priv(netdev); |
| 1968 | DP(NETIF_MSG_LINK, "Nothing to set; No RX support\n"); |
| 1969 | } |
| 1970 | |
| 1971 | static void bnx2x_dcbnl_set_pg_bwgcfg_rx(struct net_device *netdev, |
| 1972 | int pgid, u8 bw_pct) |
| 1973 | { |
| 1974 | struct bnx2x *bp = netdev_priv(netdev); |
| 1975 | DP(NETIF_MSG_LINK, "Nothing to set; No RX support\n"); |
| 1976 | } |
| 1977 | |
| 1978 | static void bnx2x_dcbnl_get_pg_tccfg_tx(struct net_device *netdev, int prio, |
| 1979 | u8 *prio_type, u8 *pgid, u8 *bw_pct, |
| 1980 | u8 *up_map) |
| 1981 | { |
| 1982 | struct bnx2x *bp = netdev_priv(netdev); |
| 1983 | DP(NETIF_MSG_LINK, "prio = %d\n", prio); |
| 1984 | |
| 1985 | /** |
| 1986 | * bw_pct ingnored - band-width percentage devision between user |
| 1987 | * priorities within the same group is not |
| 1988 | * standard and hence not supported |
| 1989 | * |
| 1990 | * prio_type igonred - priority levels within the same group are not |
| 1991 | * standard and hence are not supported. According |
| 1992 | * to the standard pgid 15 is dedicated to strict |
| 1993 | * prioirty traffic (on the port level). |
| 1994 | * |
| 1995 | * up_map ignored |
| 1996 | */ |
| 1997 | *up_map = *bw_pct = *prio_type = *pgid = 0; |
| 1998 | |
| 1999 | if (!bp->dcb_state || prio >= DCBX_MAX_NUM_PRI_PG_ENTRIES) |
| 2000 | return; |
| 2001 | |
| 2002 | *pgid = DCBX_PRI_PG_GET(bp->dcbx_local_feat.ets.pri_pg_tbl, prio); |
| 2003 | } |
| 2004 | |
| 2005 | static void bnx2x_dcbnl_get_pg_bwgcfg_tx(struct net_device *netdev, |
| 2006 | int pgid, u8 *bw_pct) |
| 2007 | { |
| 2008 | struct bnx2x *bp = netdev_priv(netdev); |
| 2009 | DP(NETIF_MSG_LINK, "pgid = %d\n", pgid); |
| 2010 | |
| 2011 | *bw_pct = 0; |
| 2012 | |
| 2013 | if (!bp->dcb_state || pgid >= DCBX_MAX_NUM_PG_BW_ENTRIES) |
| 2014 | return; |
| 2015 | |
| 2016 | *bw_pct = DCBX_PG_BW_GET(bp->dcbx_local_feat.ets.pg_bw_tbl, pgid); |
| 2017 | } |
| 2018 | |
| 2019 | static void bnx2x_dcbnl_get_pg_tccfg_rx(struct net_device *netdev, int prio, |
| 2020 | u8 *prio_type, u8 *pgid, u8 *bw_pct, |
| 2021 | u8 *up_map) |
| 2022 | { |
| 2023 | struct bnx2x *bp = netdev_priv(netdev); |
| 2024 | DP(NETIF_MSG_LINK, "Nothing to get; No RX support\n"); |
| 2025 | |
| 2026 | *prio_type = *pgid = *bw_pct = *up_map = 0; |
| 2027 | } |
| 2028 | |
| 2029 | static void bnx2x_dcbnl_get_pg_bwgcfg_rx(struct net_device *netdev, |
| 2030 | int pgid, u8 *bw_pct) |
| 2031 | { |
| 2032 | struct bnx2x *bp = netdev_priv(netdev); |
| 2033 | DP(NETIF_MSG_LINK, "Nothing to get; No RX support\n"); |
| 2034 | |
| 2035 | *bw_pct = 0; |
| 2036 | } |
| 2037 | |
| 2038 | static void bnx2x_dcbnl_set_pfc_cfg(struct net_device *netdev, int prio, |
| 2039 | u8 setting) |
| 2040 | { |
| 2041 | struct bnx2x *bp = netdev_priv(netdev); |
| 2042 | DP(NETIF_MSG_LINK, "prio[%d] = %d\n", prio, setting); |
| 2043 | |
| 2044 | if (!bnx2x_dcbnl_set_valid(bp) || prio >= MAX_PFC_PRIORITIES) |
| 2045 | return; |
| 2046 | |
| 2047 | bp->dcbx_config_params.admin_pfc_bitmap |= ((setting ? 1 : 0) << prio); |
| 2048 | |
| 2049 | if (setting) |
| 2050 | bp->dcbx_config_params.admin_pfc_tx_enable = 1; |
| 2051 | } |
| 2052 | |
| 2053 | static void bnx2x_dcbnl_get_pfc_cfg(struct net_device *netdev, int prio, |
| 2054 | u8 *setting) |
| 2055 | { |
| 2056 | struct bnx2x *bp = netdev_priv(netdev); |
| 2057 | DP(NETIF_MSG_LINK, "prio = %d\n", prio); |
| 2058 | |
| 2059 | *setting = 0; |
| 2060 | |
| 2061 | if (!bp->dcb_state || prio >= MAX_PFC_PRIORITIES) |
| 2062 | return; |
| 2063 | |
| 2064 | *setting = (bp->dcbx_local_feat.pfc.pri_en_bitmap >> prio) & 0x1; |
| 2065 | } |
| 2066 | |
| 2067 | static u8 bnx2x_dcbnl_set_all(struct net_device *netdev) |
| 2068 | { |
| 2069 | struct bnx2x *bp = netdev_priv(netdev); |
| 2070 | int rc = 0; |
| 2071 | |
| 2072 | DP(NETIF_MSG_LINK, "SET-ALL\n"); |
| 2073 | |
| 2074 | if (!bnx2x_dcbnl_set_valid(bp)) |
| 2075 | return 1; |
| 2076 | |
| 2077 | if (bp->recovery_state != BNX2X_RECOVERY_DONE) { |
| 2078 | netdev_err(bp->dev, "Handling parity error recovery. " |
| 2079 | "Try again later\n"); |
| 2080 | return 1; |
| 2081 | } |
| 2082 | if (netif_running(bp->dev)) { |
| 2083 | bnx2x_nic_unload(bp, UNLOAD_NORMAL); |
| 2084 | rc = bnx2x_nic_load(bp, LOAD_NORMAL); |
| 2085 | } |
| 2086 | DP(NETIF_MSG_LINK, "set_dcbx_params done (%d)\n", rc); |
| 2087 | if (rc) |
| 2088 | return 1; |
| 2089 | |
| 2090 | return 0; |
| 2091 | } |
| 2092 | |
| 2093 | static u8 bnx2x_dcbnl_get_cap(struct net_device *netdev, int capid, u8 *cap) |
| 2094 | { |
| 2095 | struct bnx2x *bp = netdev_priv(netdev); |
| 2096 | u8 rval = 0; |
| 2097 | |
| 2098 | if (bp->dcb_state) { |
| 2099 | switch (capid) { |
| 2100 | case DCB_CAP_ATTR_PG: |
| 2101 | *cap = true; |
| 2102 | break; |
| 2103 | case DCB_CAP_ATTR_PFC: |
| 2104 | *cap = true; |
| 2105 | break; |
| 2106 | case DCB_CAP_ATTR_UP2TC: |
| 2107 | *cap = false; |
| 2108 | break; |
| 2109 | case DCB_CAP_ATTR_PG_TCS: |
| 2110 | *cap = 0x80; /* 8 priorities for PGs */ |
| 2111 | break; |
| 2112 | case DCB_CAP_ATTR_PFC_TCS: |
| 2113 | *cap = 0x80; /* 8 priorities for PFC */ |
| 2114 | break; |
| 2115 | case DCB_CAP_ATTR_GSP: |
| 2116 | *cap = true; |
| 2117 | break; |
| 2118 | case DCB_CAP_ATTR_BCN: |
| 2119 | *cap = false; |
| 2120 | break; |
| 2121 | case DCB_CAP_ATTR_DCBX: |
| 2122 | *cap = BNX2X_DCBX_CAPS; |
Shmulik Ravid | a0babc8 | 2011-09-22 02:33:33 +0000 | [diff] [blame] | 2123 | break; |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 2124 | default: |
| 2125 | rval = -EINVAL; |
| 2126 | break; |
| 2127 | } |
| 2128 | } else |
| 2129 | rval = -EINVAL; |
| 2130 | |
| 2131 | DP(NETIF_MSG_LINK, "capid %d:%x\n", capid, *cap); |
| 2132 | return rval; |
| 2133 | } |
| 2134 | |
| 2135 | static u8 bnx2x_dcbnl_get_numtcs(struct net_device *netdev, int tcid, u8 *num) |
| 2136 | { |
| 2137 | struct bnx2x *bp = netdev_priv(netdev); |
| 2138 | u8 rval = 0; |
| 2139 | |
| 2140 | DP(NETIF_MSG_LINK, "tcid %d\n", tcid); |
| 2141 | |
| 2142 | if (bp->dcb_state) { |
| 2143 | switch (tcid) { |
| 2144 | case DCB_NUMTCS_ATTR_PG: |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 2145 | *num = CHIP_IS_E3B0(bp) ? DCBX_COS_MAX_NUM_E3B0 : |
| 2146 | DCBX_COS_MAX_NUM_E2; |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 2147 | break; |
| 2148 | case DCB_NUMTCS_ATTR_PFC: |
Dmitry Kravkov | d1976b2 | 2011-06-14 01:34:42 +0000 | [diff] [blame] | 2149 | *num = CHIP_IS_E3B0(bp) ? DCBX_COS_MAX_NUM_E3B0 : |
| 2150 | DCBX_COS_MAX_NUM_E2; |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 2151 | break; |
| 2152 | default: |
| 2153 | rval = -EINVAL; |
| 2154 | break; |
| 2155 | } |
| 2156 | } else |
| 2157 | rval = -EINVAL; |
| 2158 | |
| 2159 | return rval; |
| 2160 | } |
| 2161 | |
| 2162 | static u8 bnx2x_dcbnl_set_numtcs(struct net_device *netdev, int tcid, u8 num) |
| 2163 | { |
| 2164 | struct bnx2x *bp = netdev_priv(netdev); |
| 2165 | DP(NETIF_MSG_LINK, "num tcs = %d; Not supported\n", num); |
| 2166 | return -EINVAL; |
| 2167 | } |
| 2168 | |
| 2169 | static u8 bnx2x_dcbnl_get_pfc_state(struct net_device *netdev) |
| 2170 | { |
| 2171 | struct bnx2x *bp = netdev_priv(netdev); |
| 2172 | DP(NETIF_MSG_LINK, "state = %d\n", bp->dcbx_local_feat.pfc.enabled); |
| 2173 | |
| 2174 | if (!bp->dcb_state) |
| 2175 | return 0; |
| 2176 | |
| 2177 | return bp->dcbx_local_feat.pfc.enabled; |
| 2178 | } |
| 2179 | |
| 2180 | static void bnx2x_dcbnl_set_pfc_state(struct net_device *netdev, u8 state) |
| 2181 | { |
| 2182 | struct bnx2x *bp = netdev_priv(netdev); |
| 2183 | DP(NETIF_MSG_LINK, "state = %s\n", state ? "on" : "off"); |
| 2184 | |
| 2185 | if (!bnx2x_dcbnl_set_valid(bp)) |
| 2186 | return; |
| 2187 | |
| 2188 | bp->dcbx_config_params.admin_pfc_tx_enable = |
| 2189 | bp->dcbx_config_params.admin_pfc_enable = (state ? 1 : 0); |
| 2190 | } |
| 2191 | |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 2192 | static void bnx2x_admin_app_set_ent( |
| 2193 | struct bnx2x_admin_priority_app_table *app_ent, |
| 2194 | u8 idtype, u16 idval, u8 up) |
| 2195 | { |
| 2196 | app_ent->valid = 1; |
| 2197 | |
| 2198 | switch (idtype) { |
| 2199 | case DCB_APP_IDTYPE_ETHTYPE: |
| 2200 | app_ent->traffic_type = TRAFFIC_TYPE_ETH; |
| 2201 | break; |
| 2202 | case DCB_APP_IDTYPE_PORTNUM: |
| 2203 | app_ent->traffic_type = TRAFFIC_TYPE_PORT; |
| 2204 | break; |
| 2205 | default: |
| 2206 | break; /* never gets here */ |
| 2207 | } |
| 2208 | app_ent->app_id = idval; |
| 2209 | app_ent->priority = up; |
| 2210 | } |
| 2211 | |
| 2212 | static bool bnx2x_admin_app_is_equal( |
| 2213 | struct bnx2x_admin_priority_app_table *app_ent, |
| 2214 | u8 idtype, u16 idval) |
| 2215 | { |
| 2216 | if (!app_ent->valid) |
| 2217 | return false; |
| 2218 | |
| 2219 | switch (idtype) { |
| 2220 | case DCB_APP_IDTYPE_ETHTYPE: |
| 2221 | if (app_ent->traffic_type != TRAFFIC_TYPE_ETH) |
| 2222 | return false; |
| 2223 | break; |
| 2224 | case DCB_APP_IDTYPE_PORTNUM: |
| 2225 | if (app_ent->traffic_type != TRAFFIC_TYPE_PORT) |
| 2226 | return false; |
| 2227 | break; |
| 2228 | default: |
| 2229 | return false; |
| 2230 | } |
| 2231 | if (app_ent->app_id != idval) |
| 2232 | return false; |
| 2233 | |
| 2234 | return true; |
| 2235 | } |
| 2236 | |
| 2237 | static int bnx2x_set_admin_app_up(struct bnx2x *bp, u8 idtype, u16 idval, u8 up) |
| 2238 | { |
| 2239 | int i, ff; |
| 2240 | |
| 2241 | /* iterate over the app entries looking for idtype and idval */ |
| 2242 | for (i = 0, ff = -1; i < 4; i++) { |
| 2243 | struct bnx2x_admin_priority_app_table *app_ent = |
| 2244 | &bp->dcbx_config_params.admin_priority_app_table[i]; |
| 2245 | if (bnx2x_admin_app_is_equal(app_ent, idtype, idval)) |
| 2246 | break; |
| 2247 | |
| 2248 | if (ff < 0 && !app_ent->valid) |
| 2249 | ff = i; |
| 2250 | } |
| 2251 | if (i < 4) |
| 2252 | /* if found overwrite up */ |
| 2253 | bp->dcbx_config_params. |
| 2254 | admin_priority_app_table[i].priority = up; |
| 2255 | else if (ff >= 0) |
| 2256 | /* not found use first-free */ |
| 2257 | bnx2x_admin_app_set_ent( |
| 2258 | &bp->dcbx_config_params.admin_priority_app_table[ff], |
| 2259 | idtype, idval, up); |
| 2260 | else |
| 2261 | /* app table is full */ |
| 2262 | return -EBUSY; |
| 2263 | |
| 2264 | /* up configured, if not 0 make sure feature is enabled */ |
| 2265 | if (up) |
| 2266 | bp->dcbx_config_params.admin_application_priority_tx_enable = 1; |
| 2267 | |
| 2268 | return 0; |
| 2269 | } |
| 2270 | |
| 2271 | static u8 bnx2x_dcbnl_set_app_up(struct net_device *netdev, u8 idtype, |
| 2272 | u16 idval, u8 up) |
| 2273 | { |
| 2274 | struct bnx2x *bp = netdev_priv(netdev); |
| 2275 | |
| 2276 | DP(NETIF_MSG_LINK, "app_type %d, app_id %x, prio bitmap %d\n", |
| 2277 | idtype, idval, up); |
| 2278 | |
| 2279 | if (!bnx2x_dcbnl_set_valid(bp)) |
| 2280 | return -EINVAL; |
| 2281 | |
| 2282 | /* verify idtype */ |
| 2283 | switch (idtype) { |
| 2284 | case DCB_APP_IDTYPE_ETHTYPE: |
| 2285 | case DCB_APP_IDTYPE_PORTNUM: |
| 2286 | break; |
| 2287 | default: |
| 2288 | return -EINVAL; |
| 2289 | } |
| 2290 | return bnx2x_set_admin_app_up(bp, idtype, idval, up); |
| 2291 | } |
| 2292 | |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 2293 | static u8 bnx2x_dcbnl_get_dcbx(struct net_device *netdev) |
| 2294 | { |
| 2295 | struct bnx2x *bp = netdev_priv(netdev); |
| 2296 | u8 state; |
| 2297 | |
| 2298 | state = DCB_CAP_DCBX_LLD_MANAGED | DCB_CAP_DCBX_VER_CEE; |
| 2299 | |
| 2300 | if (bp->dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_OFF) |
| 2301 | state |= DCB_CAP_DCBX_STATIC; |
| 2302 | |
| 2303 | return state; |
| 2304 | } |
| 2305 | |
| 2306 | static u8 bnx2x_dcbnl_set_dcbx(struct net_device *netdev, u8 state) |
| 2307 | { |
| 2308 | struct bnx2x *bp = netdev_priv(netdev); |
| 2309 | DP(NETIF_MSG_LINK, "state = %02x\n", state); |
| 2310 | |
| 2311 | /* set dcbx mode */ |
| 2312 | |
| 2313 | if ((state & BNX2X_DCBX_CAPS) != state) { |
| 2314 | BNX2X_ERR("Requested DCBX mode %x is beyond advertised " |
| 2315 | "capabilities\n", state); |
| 2316 | return 1; |
| 2317 | } |
| 2318 | |
| 2319 | if (bp->dcb_state != BNX2X_DCB_STATE_ON) { |
| 2320 | BNX2X_ERR("DCB turned off, DCBX configuration is invalid\n"); |
| 2321 | return 1; |
| 2322 | } |
| 2323 | |
| 2324 | if (state & DCB_CAP_DCBX_STATIC) |
| 2325 | bp->dcbx_enabled = BNX2X_DCBX_ENABLED_ON_NEG_OFF; |
| 2326 | else |
| 2327 | bp->dcbx_enabled = BNX2X_DCBX_ENABLED_ON_NEG_ON; |
| 2328 | |
| 2329 | bp->dcbx_mode_uset = true; |
| 2330 | return 0; |
| 2331 | } |
| 2332 | |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 2333 | static u8 bnx2x_dcbnl_get_featcfg(struct net_device *netdev, int featid, |
| 2334 | u8 *flags) |
| 2335 | { |
| 2336 | struct bnx2x *bp = netdev_priv(netdev); |
| 2337 | u8 rval = 0; |
| 2338 | |
| 2339 | DP(NETIF_MSG_LINK, "featid %d\n", featid); |
| 2340 | |
| 2341 | if (bp->dcb_state) { |
| 2342 | *flags = 0; |
| 2343 | switch (featid) { |
| 2344 | case DCB_FEATCFG_ATTR_PG: |
| 2345 | if (bp->dcbx_local_feat.ets.enabled) |
| 2346 | *flags |= DCB_FEATCFG_ENABLE; |
| 2347 | if (bp->dcbx_error & DCBX_LOCAL_ETS_ERROR) |
| 2348 | *flags |= DCB_FEATCFG_ERROR; |
| 2349 | break; |
| 2350 | case DCB_FEATCFG_ATTR_PFC: |
| 2351 | if (bp->dcbx_local_feat.pfc.enabled) |
| 2352 | *flags |= DCB_FEATCFG_ENABLE; |
| 2353 | if (bp->dcbx_error & (DCBX_LOCAL_PFC_ERROR | |
| 2354 | DCBX_LOCAL_PFC_MISMATCH)) |
| 2355 | *flags |= DCB_FEATCFG_ERROR; |
| 2356 | break; |
| 2357 | case DCB_FEATCFG_ATTR_APP: |
| 2358 | if (bp->dcbx_local_feat.app.enabled) |
| 2359 | *flags |= DCB_FEATCFG_ENABLE; |
| 2360 | if (bp->dcbx_error & (DCBX_LOCAL_APP_ERROR | |
| 2361 | DCBX_LOCAL_APP_MISMATCH)) |
| 2362 | *flags |= DCB_FEATCFG_ERROR; |
| 2363 | break; |
| 2364 | default: |
| 2365 | rval = -EINVAL; |
| 2366 | break; |
| 2367 | } |
| 2368 | } else |
| 2369 | rval = -EINVAL; |
| 2370 | |
| 2371 | return rval; |
| 2372 | } |
| 2373 | |
| 2374 | static u8 bnx2x_dcbnl_set_featcfg(struct net_device *netdev, int featid, |
| 2375 | u8 flags) |
| 2376 | { |
| 2377 | struct bnx2x *bp = netdev_priv(netdev); |
| 2378 | u8 rval = 0; |
| 2379 | |
| 2380 | DP(NETIF_MSG_LINK, "featid = %d flags = %02x\n", featid, flags); |
| 2381 | |
| 2382 | /* ignore the 'advertise' flag */ |
| 2383 | if (bnx2x_dcbnl_set_valid(bp)) { |
| 2384 | switch (featid) { |
| 2385 | case DCB_FEATCFG_ATTR_PG: |
| 2386 | bp->dcbx_config_params.admin_ets_enable = |
| 2387 | flags & DCB_FEATCFG_ENABLE ? 1 : 0; |
| 2388 | bp->dcbx_config_params.admin_ets_willing = |
| 2389 | flags & DCB_FEATCFG_WILLING ? 1 : 0; |
| 2390 | break; |
| 2391 | case DCB_FEATCFG_ATTR_PFC: |
| 2392 | bp->dcbx_config_params.admin_pfc_enable = |
| 2393 | flags & DCB_FEATCFG_ENABLE ? 1 : 0; |
| 2394 | bp->dcbx_config_params.admin_pfc_willing = |
| 2395 | flags & DCB_FEATCFG_WILLING ? 1 : 0; |
| 2396 | break; |
| 2397 | case DCB_FEATCFG_ATTR_APP: |
| 2398 | /* ignore enable, always enabled */ |
| 2399 | bp->dcbx_config_params.admin_app_priority_willing = |
| 2400 | flags & DCB_FEATCFG_WILLING ? 1 : 0; |
| 2401 | break; |
| 2402 | default: |
| 2403 | rval = -EINVAL; |
| 2404 | break; |
| 2405 | } |
| 2406 | } else |
| 2407 | rval = -EINVAL; |
| 2408 | |
| 2409 | return rval; |
| 2410 | } |
| 2411 | |
Shmulik Ravid | 0be6bc6 | 2011-05-18 02:55:31 +0000 | [diff] [blame] | 2412 | static int bnx2x_peer_appinfo(struct net_device *netdev, |
| 2413 | struct dcb_peer_app_info *info, u16* app_count) |
| 2414 | { |
| 2415 | int i; |
| 2416 | struct bnx2x *bp = netdev_priv(netdev); |
| 2417 | |
| 2418 | DP(NETIF_MSG_LINK, "APP-INFO\n"); |
| 2419 | |
| 2420 | info->willing = (bp->dcbx_remote_flags & DCBX_APP_REM_WILLING) ?: 0; |
| 2421 | info->error = (bp->dcbx_remote_flags & DCBX_APP_RX_ERROR) ?: 0; |
| 2422 | *app_count = 0; |
| 2423 | |
| 2424 | for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) |
| 2425 | if (bp->dcbx_remote_feat.app.app_pri_tbl[i].appBitfield & |
| 2426 | DCBX_APP_ENTRY_VALID) |
| 2427 | (*app_count)++; |
| 2428 | return 0; |
| 2429 | } |
| 2430 | |
| 2431 | static int bnx2x_peer_apptable(struct net_device *netdev, |
| 2432 | struct dcb_app *table) |
| 2433 | { |
| 2434 | int i, j; |
| 2435 | struct bnx2x *bp = netdev_priv(netdev); |
| 2436 | |
| 2437 | DP(NETIF_MSG_LINK, "APP-TABLE\n"); |
| 2438 | |
| 2439 | for (i = 0, j = 0; i < DCBX_MAX_APP_PROTOCOL; i++) { |
| 2440 | struct dcbx_app_priority_entry *ent = |
| 2441 | &bp->dcbx_remote_feat.app.app_pri_tbl[i]; |
| 2442 | |
| 2443 | if (ent->appBitfield & DCBX_APP_ENTRY_VALID) { |
| 2444 | table[j].selector = bnx2x_dcbx_dcbnl_app_idtype(ent); |
| 2445 | table[j].priority = bnx2x_dcbx_dcbnl_app_up(ent); |
| 2446 | table[j++].protocol = ent->app_id; |
| 2447 | } |
| 2448 | } |
| 2449 | return 0; |
| 2450 | } |
| 2451 | |
| 2452 | static int bnx2x_cee_peer_getpg(struct net_device *netdev, struct cee_pg *pg) |
| 2453 | { |
| 2454 | int i; |
| 2455 | struct bnx2x *bp = netdev_priv(netdev); |
| 2456 | |
| 2457 | pg->willing = (bp->dcbx_remote_flags & DCBX_ETS_REM_WILLING) ?: 0; |
| 2458 | |
| 2459 | for (i = 0; i < CEE_DCBX_MAX_PGS; i++) { |
| 2460 | pg->pg_bw[i] = |
| 2461 | DCBX_PG_BW_GET(bp->dcbx_remote_feat.ets.pg_bw_tbl, i); |
| 2462 | pg->prio_pg[i] = |
| 2463 | DCBX_PRI_PG_GET(bp->dcbx_remote_feat.ets.pri_pg_tbl, i); |
| 2464 | } |
| 2465 | return 0; |
| 2466 | } |
| 2467 | |
| 2468 | static int bnx2x_cee_peer_getpfc(struct net_device *netdev, |
| 2469 | struct cee_pfc *pfc) |
| 2470 | { |
| 2471 | struct bnx2x *bp = netdev_priv(netdev); |
| 2472 | pfc->tcs_supported = bp->dcbx_remote_feat.pfc.pfc_caps; |
| 2473 | pfc->pfc_en = bp->dcbx_remote_feat.pfc.pri_en_bitmap; |
| 2474 | return 0; |
| 2475 | } |
| 2476 | |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 2477 | const struct dcbnl_rtnl_ops bnx2x_dcbnl_ops = { |
Shmulik Ravid | 0be6bc6 | 2011-05-18 02:55:31 +0000 | [diff] [blame] | 2478 | .getstate = bnx2x_dcbnl_get_state, |
| 2479 | .setstate = bnx2x_dcbnl_set_state, |
| 2480 | .getpermhwaddr = bnx2x_dcbnl_get_perm_hw_addr, |
| 2481 | .setpgtccfgtx = bnx2x_dcbnl_set_pg_tccfg_tx, |
| 2482 | .setpgbwgcfgtx = bnx2x_dcbnl_set_pg_bwgcfg_tx, |
| 2483 | .setpgtccfgrx = bnx2x_dcbnl_set_pg_tccfg_rx, |
| 2484 | .setpgbwgcfgrx = bnx2x_dcbnl_set_pg_bwgcfg_rx, |
| 2485 | .getpgtccfgtx = bnx2x_dcbnl_get_pg_tccfg_tx, |
| 2486 | .getpgbwgcfgtx = bnx2x_dcbnl_get_pg_bwgcfg_tx, |
| 2487 | .getpgtccfgrx = bnx2x_dcbnl_get_pg_tccfg_rx, |
| 2488 | .getpgbwgcfgrx = bnx2x_dcbnl_get_pg_bwgcfg_rx, |
| 2489 | .setpfccfg = bnx2x_dcbnl_set_pfc_cfg, |
| 2490 | .getpfccfg = bnx2x_dcbnl_get_pfc_cfg, |
| 2491 | .setall = bnx2x_dcbnl_set_all, |
| 2492 | .getcap = bnx2x_dcbnl_get_cap, |
| 2493 | .getnumtcs = bnx2x_dcbnl_get_numtcs, |
| 2494 | .setnumtcs = bnx2x_dcbnl_set_numtcs, |
| 2495 | .getpfcstate = bnx2x_dcbnl_get_pfc_state, |
| 2496 | .setpfcstate = bnx2x_dcbnl_set_pfc_state, |
| 2497 | .setapp = bnx2x_dcbnl_set_app_up, |
| 2498 | .getdcbx = bnx2x_dcbnl_get_dcbx, |
| 2499 | .setdcbx = bnx2x_dcbnl_set_dcbx, |
| 2500 | .getfeatcfg = bnx2x_dcbnl_get_featcfg, |
| 2501 | .setfeatcfg = bnx2x_dcbnl_set_featcfg, |
| 2502 | .peer_getappinfo = bnx2x_peer_appinfo, |
| 2503 | .peer_getapptable = bnx2x_peer_apptable, |
| 2504 | .cee_peer_getpg = bnx2x_cee_peer_getpg, |
| 2505 | .cee_peer_getpfc = bnx2x_cee_peer_getpfc, |
Shmulik Ravid | 785b9b1 | 2010-12-30 06:27:03 +0000 | [diff] [blame] | 2506 | }; |
| 2507 | |
Shmulik Ravid | 9850767 | 2011-02-28 12:19:55 -0800 | [diff] [blame] | 2508 | #endif /* BCM_DCBNL */ |