|  | /* bnx2x_dcb.c: Broadcom Everest network driver. | 
|  | * | 
|  | * Copyright 2009-2013 Broadcom Corporation | 
|  | * | 
|  | * Unless you and Broadcom execute a separate written software license | 
|  | * agreement governing use of this software, this software is licensed to you | 
|  | * under the terms of the GNU General Public License version 2, available | 
|  | * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL"). | 
|  | * | 
|  | * Notwithstanding the above, under no circumstances may you combine this | 
|  | * software in any way with any other Broadcom software provided under a | 
|  | * license other than the GPL, without Broadcom's express prior written | 
|  | * consent. | 
|  | * | 
|  | * Maintained by: Ariel Elior <ariel.elior@qlogic.com> | 
|  | * Written by: Dmitry Kravkov | 
|  | * | 
|  | */ | 
|  |  | 
|  | #include <linux_compat.h> | 
|  |  | 
|  | #include "bnx2x.h" | 
|  | #include "bnx2x_cmn.h" | 
|  | #include "bnx2x_dcb.h" | 
|  |  | 
|  | /* forward declarations of dcbx related functions */ | 
|  | static void bnx2x_pfc_set_pfc(struct bnx2x *bp); | 
|  | static void bnx2x_dcbx_update_ets_params(struct bnx2x *bp); | 
|  | static void bnx2x_dcbx_get_ets_pri_pg_tbl(struct bnx2x *bp, | 
|  | uint32_t *set_configuration_ets_pg, | 
|  | uint32_t *pri_pg_tbl); | 
|  | static void bnx2x_dcbx_get_num_pg_traf_type(struct bnx2x *bp, | 
|  | uint32_t *pg_pri_orginal_spread, | 
|  | struct pg_help_data *help_data); | 
|  | static void bnx2x_dcbx_fill_cos_params(struct bnx2x *bp, | 
|  | struct pg_help_data *help_data, | 
|  | struct dcbx_ets_feature *ets, | 
|  | uint32_t *pg_pri_orginal_spread); | 
|  | static void bnx2x_dcbx_separate_pauseable_from_non(struct bnx2x *bp, | 
|  | struct cos_help_data *cos_data, | 
|  | uint32_t *pg_pri_orginal_spread, | 
|  | struct dcbx_ets_feature *ets); | 
|  | static void bnx2x_dcbx_fw_struct(struct bnx2x *bp, | 
|  | struct bnx2x_func_tx_start_params*); | 
|  |  | 
|  | /* helpers: read/write len bytes from addr into buff by REG_RD/REG_WR */ | 
|  | static void bnx2x_read_data(struct bnx2x *bp, uint32_t *buff, | 
|  | uint32_t addr, uint32_t len) | 
|  | { | 
|  | int i; | 
|  | for (i = 0; i < len; i += 4, buff++) | 
|  | *buff = REG_RD(bp, addr + i); | 
|  | } | 
|  |  | 
|  | static void bnx2x_write_data(struct bnx2x *bp, uint32_t *buff, | 
|  | uint32_t addr, uint32_t len) | 
|  | { | 
|  | int i; | 
|  | for (i = 0; i < len; i += 4, buff++) | 
|  | REG_WR(bp, addr + i, *buff); | 
|  | } | 
|  |  | 
|  | static void bnx2x_pfc_set(struct bnx2x *bp) | 
|  | { | 
|  | struct bnx2x_nig_brb_pfc_port_params pfc_params = {0}; | 
|  | uint32_t pri_bit, val = 0; | 
|  | int i; | 
|  |  | 
|  | pfc_params.num_of_rx_cos_priority_mask = | 
|  | bp->dcbx_port_params.ets.num_of_cos; | 
|  |  | 
|  | /* Tx COS configuration */ | 
|  | for (i = 0; i < bp->dcbx_port_params.ets.num_of_cos; i++) | 
|  | /* | 
|  | * We configure only the pauseable bits (non pauseable aren't | 
|  | * configured at all) it's done to avoid false pauses from | 
|  | * network | 
|  | */ | 
|  | pfc_params.rx_cos_priority_mask[i] = | 
|  | bp->dcbx_port_params.ets.cos_params[i].pri_bitmask | 
|  | & DCBX_PFC_PRI_PAUSE_MASK(bp); | 
|  |  | 
|  | /* | 
|  | * Rx COS configuration | 
|  | * Changing PFC RX configuration . | 
|  | * In RX COS0 will always be configured to lossless and COS1 to lossy | 
|  | */ | 
|  | for (i = 0 ; i < MAX_PFC_PRIORITIES ; i++) { | 
|  | pri_bit = 1 << i; | 
|  |  | 
|  | if (!(pri_bit & DCBX_PFC_PRI_PAUSE_MASK(bp))) | 
|  | val |= 1 << (i * 4); | 
|  | } | 
|  |  | 
|  | pfc_params.pkt_priority_to_cos = val; | 
|  |  | 
|  | /* RX COS0 */ | 
|  | pfc_params.llfc_low_priority_classes = DCBX_PFC_PRI_PAUSE_MASK(bp); | 
|  | /* RX COS1 */ | 
|  | pfc_params.llfc_high_priority_classes = 0; | 
|  |  | 
|  | bnx2x_acquire_phy_lock(bp); | 
|  | bp->link_params.feature_config_flags |= FEATURE_CONFIG_PFC_ENABLED; | 
|  | bnx2x_update_pfc(&bp->link_params, &bp->link_vars, &pfc_params); | 
|  | bnx2x_release_phy_lock(bp); | 
|  | } | 
|  |  | 
|  | static void bnx2x_pfc_clear(struct bnx2x *bp) | 
|  | { | 
|  | struct bnx2x_nig_brb_pfc_port_params nig_params = {0}; | 
|  | nig_params.pause_enable = 1; | 
|  | bnx2x_acquire_phy_lock(bp); | 
|  | bp->link_params.feature_config_flags &= ~FEATURE_CONFIG_PFC_ENABLED; | 
|  | bnx2x_update_pfc(&bp->link_params, &bp->link_vars, &nig_params); | 
|  | bnx2x_release_phy_lock(bp); | 
|  | } | 
|  |  | 
|  | static void  bnx2x_dump_dcbx_drv_param(struct bnx2x *bp, | 
|  | struct dcbx_features *features, | 
|  | uint32_t error) | 
|  | { | 
|  | uint8_t i = 0; | 
|  | DP(NETIF_MSG_LINK, "local_mib.error %x\n", error); | 
|  |  | 
|  | /* PG */ | 
|  | DP(NETIF_MSG_LINK, | 
|  | "local_mib.features.ets.enabled %x\n", features->ets.enabled); | 
|  | for (i = 0; i < DCBX_MAX_NUM_PG_BW_ENTRIES; i++) | 
|  | DP(NETIF_MSG_LINK, | 
|  | "local_mib.features.ets.pg_bw_tbl[%d] %d\n", i, | 
|  | DCBX_PG_BW_GET(features->ets.pg_bw_tbl, i)); | 
|  | for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++) | 
|  | DP(NETIF_MSG_LINK, | 
|  | "local_mib.features.ets.pri_pg_tbl[%d] %d\n", i, | 
|  | DCBX_PRI_PG_GET(features->ets.pri_pg_tbl, i)); | 
|  |  | 
|  | /* pfc */ | 
|  | DP(BNX2X_MSG_DCB, "dcbx_features.pfc.pri_en_bitmap %x\n", | 
|  | features->pfc.pri_en_bitmap); | 
|  | DP(BNX2X_MSG_DCB, "dcbx_features.pfc.pfc_caps %x\n", | 
|  | features->pfc.pfc_caps); | 
|  | DP(BNX2X_MSG_DCB, "dcbx_features.pfc.enabled %x\n", | 
|  | features->pfc.enabled); | 
|  |  | 
|  | DP(BNX2X_MSG_DCB, "dcbx_features.app.default_pri %x\n", | 
|  | features->app.default_pri); | 
|  | DP(BNX2X_MSG_DCB, "dcbx_features.app.tc_supported %x\n", | 
|  | features->app.tc_supported); | 
|  | DP(BNX2X_MSG_DCB, "dcbx_features.app.enabled %x\n", | 
|  | features->app.enabled); | 
|  | for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) { | 
|  | DP(BNX2X_MSG_DCB, | 
|  | "dcbx_features.app.app_pri_tbl[%x].app_id %x\n", | 
|  | i, features->app.app_pri_tbl[i].app_id); | 
|  | DP(BNX2X_MSG_DCB, | 
|  | "dcbx_features.app.app_pri_tbl[%x].pri_bitmap %x\n", | 
|  | i, features->app.app_pri_tbl[i].pri_bitmap); | 
|  | DP(BNX2X_MSG_DCB, | 
|  | "dcbx_features.app.app_pri_tbl[%x].appBitfield %x\n", | 
|  | i, features->app.app_pri_tbl[i].appBitfield); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void bnx2x_dcbx_get_ap_priority(struct bnx2x *bp, | 
|  | uint8_t pri_bitmap, | 
|  | uint8_t llfc_traf_type) | 
|  | { | 
|  | uint32_t pri = MAX_PFC_PRIORITIES; | 
|  | uint32_t index = MAX_PFC_PRIORITIES - 1; | 
|  | uint32_t pri_mask; | 
|  | uint32_t *ttp = bp->dcbx_port_params.app.traffic_type_priority; | 
|  |  | 
|  | /* Choose the highest priority */ | 
|  | while ((MAX_PFC_PRIORITIES == pri) && (0 != index)) { | 
|  | pri_mask = 1 << index; | 
|  | if (GET_FLAGS(pri_bitmap, pri_mask)) | 
|  | pri = index ; | 
|  | index--; | 
|  | } | 
|  |  | 
|  | if (pri < MAX_PFC_PRIORITIES) | 
|  | ttp[llfc_traf_type] = MAX_T(uint32_t, ttp[llfc_traf_type], | 
|  | pri); | 
|  | } | 
|  |  | 
|  | static void bnx2x_dcbx_get_ap_feature(struct bnx2x *bp, | 
|  | struct dcbx_app_priority_feature *app, | 
|  | uint32_t error) { | 
|  | uint8_t index; | 
|  | uint32_t *ttp = bp->dcbx_port_params.app.traffic_type_priority; | 
|  |  | 
|  | if (GET_FLAGS(error, DCBX_LOCAL_APP_ERROR)) | 
|  | DP(BNX2X_MSG_DCB, "DCBX_LOCAL_APP_ERROR\n"); | 
|  |  | 
|  | if (GET_FLAGS(error, DCBX_LOCAL_APP_MISMATCH)) | 
|  | DP(BNX2X_MSG_DCB, "DCBX_LOCAL_APP_MISMATCH\n"); | 
|  |  | 
|  | if (GET_FLAGS(error, DCBX_REMOTE_APP_TLV_NOT_FOUND)) | 
|  | DP(BNX2X_MSG_DCB, "DCBX_REMOTE_APP_TLV_NOT_FOUND\n"); | 
|  | if (app->enabled && | 
|  | !GET_FLAGS(error, DCBX_LOCAL_APP_ERROR | DCBX_LOCAL_APP_MISMATCH | | 
|  | DCBX_REMOTE_APP_TLV_NOT_FOUND)) { | 
|  |  | 
|  | bp->dcbx_port_params.app.enabled = true; | 
|  |  | 
|  | for (index = 0 ; index < LLFC_DRIVER_TRAFFIC_TYPE_MAX; index++) | 
|  | ttp[index] = 0; | 
|  |  | 
|  | if (app->default_pri < MAX_PFC_PRIORITIES) | 
|  | ttp[LLFC_TRAFFIC_TYPE_NW] = app->default_pri; | 
|  |  | 
|  | for (index = 0 ; index < DCBX_MAX_APP_PROTOCOL; index++) { | 
|  | struct dcbx_app_priority_entry *entry = | 
|  | app->app_pri_tbl; | 
|  |  | 
|  | if (GET_FLAGS(entry[index].appBitfield, | 
|  | DCBX_APP_SF_ETH_TYPE) && | 
|  | ETH_TYPE_FCOE == entry[index].app_id) | 
|  | bnx2x_dcbx_get_ap_priority(bp, | 
|  | entry[index].pri_bitmap, | 
|  | LLFC_TRAFFIC_TYPE_FCOE); | 
|  |  | 
|  | if (GET_FLAGS(entry[index].appBitfield, | 
|  | DCBX_APP_SF_PORT) && | 
|  | TCP_PORT_ISCSI == entry[index].app_id) | 
|  | bnx2x_dcbx_get_ap_priority(bp, | 
|  | entry[index].pri_bitmap, | 
|  | LLFC_TRAFFIC_TYPE_ISCSI); | 
|  | } | 
|  | } else { | 
|  | DP(BNX2X_MSG_DCB, "DCBX_LOCAL_APP_DISABLED\n"); | 
|  | bp->dcbx_port_params.app.enabled = false; | 
|  | for (index = 0 ; index < LLFC_DRIVER_TRAFFIC_TYPE_MAX; index++) | 
|  | ttp[index] = INVALID_TRAFFIC_TYPE_PRIORITY; | 
|  | } | 
|  | } | 
|  |  | 
|  | static void bnx2x_dcbx_get_ets_feature(struct bnx2x *bp, | 
|  | struct dcbx_ets_feature *ets, | 
|  | uint32_t error) { | 
|  | int i = 0; | 
|  | uint32_t pg_pri_orginal_spread[DCBX_MAX_NUM_PG_BW_ENTRIES] = {0}; | 
|  | struct pg_help_data pg_help_data; | 
|  | struct bnx2x_dcbx_cos_params *cos_params = | 
|  | bp->dcbx_port_params.ets.cos_params; | 
|  |  | 
|  | memset(&pg_help_data, 0, sizeof(struct pg_help_data)); | 
|  |  | 
|  | if (GET_FLAGS(error, DCBX_LOCAL_ETS_ERROR)) | 
|  | DP(BNX2X_MSG_DCB, "DCBX_LOCAL_ETS_ERROR\n"); | 
|  |  | 
|  | if (GET_FLAGS(error, DCBX_REMOTE_ETS_TLV_NOT_FOUND)) | 
|  | DP(BNX2X_MSG_DCB, "DCBX_REMOTE_ETS_TLV_NOT_FOUND\n"); | 
|  |  | 
|  | /* Clean up old settings of ets on COS */ | 
|  | for (i = 0; i < ARRAY_SIZE(bp->dcbx_port_params.ets.cos_params) ; i++) { | 
|  | cos_params[i].pauseable = false; | 
|  | cos_params[i].strict = BNX2X_DCBX_STRICT_INVALID; | 
|  | cos_params[i].bw_tbl = DCBX_INVALID_COS_BW; | 
|  | cos_params[i].pri_bitmask = 0; | 
|  | } | 
|  |  | 
|  | if (bp->dcbx_port_params.app.enabled && ets->enabled && | 
|  | !GET_FLAGS(error, | 
|  | DCBX_LOCAL_ETS_ERROR | DCBX_REMOTE_ETS_TLV_NOT_FOUND)) { | 
|  | DP(BNX2X_MSG_DCB, "DCBX_LOCAL_ETS_ENABLE\n"); | 
|  | bp->dcbx_port_params.ets.enabled = true; | 
|  |  | 
|  | bnx2x_dcbx_get_ets_pri_pg_tbl(bp, | 
|  | pg_pri_orginal_spread, | 
|  | ets->pri_pg_tbl); | 
|  |  | 
|  | bnx2x_dcbx_get_num_pg_traf_type(bp, | 
|  | pg_pri_orginal_spread, | 
|  | &pg_help_data); | 
|  |  | 
|  | bnx2x_dcbx_fill_cos_params(bp, &pg_help_data, | 
|  | ets, pg_pri_orginal_spread); | 
|  |  | 
|  | } else { | 
|  | DP(BNX2X_MSG_DCB, "DCBX_LOCAL_ETS_DISABLED\n"); | 
|  | bp->dcbx_port_params.ets.enabled = false; | 
|  | ets->pri_pg_tbl[0] = 0; | 
|  |  | 
|  | for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES ; i++) | 
|  | DCBX_PG_BW_SET(ets->pg_bw_tbl, i, 1); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void  bnx2x_dcbx_get_pfc_feature(struct bnx2x *bp, | 
|  | struct dcbx_pfc_feature *pfc, | 
|  | uint32_t error) | 
|  | { | 
|  | if (GET_FLAGS(error, DCBX_LOCAL_PFC_ERROR)) | 
|  | DP(BNX2X_MSG_DCB, "DCBX_LOCAL_PFC_ERROR\n"); | 
|  |  | 
|  | if (GET_FLAGS(error, DCBX_REMOTE_PFC_TLV_NOT_FOUND)) | 
|  | DP(BNX2X_MSG_DCB, "DCBX_REMOTE_PFC_TLV_NOT_FOUND\n"); | 
|  | if (bp->dcbx_port_params.app.enabled && pfc->enabled && | 
|  | !GET_FLAGS(error, DCBX_LOCAL_PFC_ERROR | DCBX_LOCAL_PFC_MISMATCH | | 
|  | DCBX_REMOTE_PFC_TLV_NOT_FOUND)) { | 
|  | bp->dcbx_port_params.pfc.enabled = true; | 
|  | bp->dcbx_port_params.pfc.priority_non_pauseable_mask = | 
|  | ~(pfc->pri_en_bitmap); | 
|  | } else { | 
|  | DP(BNX2X_MSG_DCB, "DCBX_LOCAL_PFC_DISABLED\n"); | 
|  | bp->dcbx_port_params.pfc.enabled = false; | 
|  | bp->dcbx_port_params.pfc.priority_non_pauseable_mask = 0; | 
|  | } | 
|  | } | 
|  |  | 
|  | /* maps unmapped priorities to to the same COS as L2 */ | 
|  | static void bnx2x_dcbx_map_nw(struct bnx2x *bp) | 
|  | { | 
|  | int i; | 
|  | uint32_t unmapped = (1 << MAX_PFC_PRIORITIES) - 1; /* all ones */ | 
|  | uint32_t *ttp = bp->dcbx_port_params.app.traffic_type_priority; | 
|  | uint32_t nw_prio = 1 << ttp[LLFC_TRAFFIC_TYPE_NW]; | 
|  | struct bnx2x_dcbx_cos_params *cos_params = | 
|  | bp->dcbx_port_params.ets.cos_params; | 
|  |  | 
|  | /* get unmapped priorities by clearing mapped bits */ | 
|  | for (i = 0; i < LLFC_DRIVER_TRAFFIC_TYPE_MAX; i++) | 
|  | unmapped &= ~(1 << ttp[i]); | 
|  |  | 
|  | /* find cos for nw prio and extend it with unmapped */ | 
|  | for (i = 0; i < ARRAY_SIZE(bp->dcbx_port_params.ets.cos_params); i++) { | 
|  | if (cos_params[i].pri_bitmask & nw_prio) { | 
|  | /* extend the bitmask with unmapped */ | 
|  | DP(BNX2X_MSG_DCB, | 
|  | "cos %d extended with 0x%08x\n", i, unmapped); | 
|  | cos_params[i].pri_bitmask |= unmapped; | 
|  | break; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | static void bnx2x_get_dcbx_drv_param(struct bnx2x *bp, | 
|  | struct dcbx_features *features, | 
|  | uint32_t error) | 
|  | { | 
|  | bnx2x_dcbx_get_ap_feature(bp, &features->app, error); | 
|  |  | 
|  | bnx2x_dcbx_get_pfc_feature(bp, &features->pfc, error); | 
|  |  | 
|  | bnx2x_dcbx_get_ets_feature(bp, &features->ets, error); | 
|  |  | 
|  | bnx2x_dcbx_map_nw(bp); | 
|  | } | 
|  |  | 
|  | #define DCBX_LOCAL_MIB_MAX_TRY_READ		(100) | 
|  | static int bnx2x_dcbx_read_mib(struct bnx2x *bp, | 
|  | uint32_t *base_mib_addr, | 
|  | uint32_t offset, | 
|  | int read_mib_type) | 
|  | { | 
|  | int max_try_read = 0; | 
|  | uint32_t mib_size, prefix_seq_num, suffix_seq_num; | 
|  | struct lldp_remote_mib *remote_mib ; | 
|  | struct lldp_local_mib  *local_mib; | 
|  |  | 
|  | switch (read_mib_type) { | 
|  | case DCBX_READ_LOCAL_MIB: | 
|  | mib_size = sizeof(struct lldp_local_mib); | 
|  | break; | 
|  | case DCBX_READ_REMOTE_MIB: | 
|  | mib_size = sizeof(struct lldp_remote_mib); | 
|  | break; | 
|  | default: | 
|  | return 1; /*error*/ | 
|  | } | 
|  |  | 
|  | offset += BP_PORT(bp) * mib_size; | 
|  |  | 
|  | do { | 
|  | bnx2x_read_data(bp, base_mib_addr, offset, mib_size); | 
|  |  | 
|  | max_try_read++; | 
|  |  | 
|  | switch (read_mib_type) { | 
|  | case DCBX_READ_LOCAL_MIB: | 
|  | local_mib = (struct lldp_local_mib *) base_mib_addr; | 
|  | prefix_seq_num = local_mib->prefix_seq_num; | 
|  | suffix_seq_num = local_mib->suffix_seq_num; | 
|  | break; | 
|  | case DCBX_READ_REMOTE_MIB: | 
|  | remote_mib = (struct lldp_remote_mib *) base_mib_addr; | 
|  | prefix_seq_num = remote_mib->prefix_seq_num; | 
|  | suffix_seq_num = remote_mib->suffix_seq_num; | 
|  | break; | 
|  | default: | 
|  | return 1; /*error*/ | 
|  | } | 
|  | } while ((prefix_seq_num != suffix_seq_num) && | 
|  | (max_try_read < DCBX_LOCAL_MIB_MAX_TRY_READ)); | 
|  |  | 
|  | if (max_try_read >= DCBX_LOCAL_MIB_MAX_TRY_READ) { | 
|  | BNX2X_ERR("MIB could not be read\n"); | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void bnx2x_pfc_set_pfc(struct bnx2x *bp) | 
|  | { | 
|  | int mfw_configured = SHMEM2_HAS(bp, drv_flags) && | 
|  | GET_FLAGS(SHMEM2_RD(bp, drv_flags), | 
|  | 1 << DRV_FLAGS_DCB_MFW_CONFIGURED); | 
|  |  | 
|  | if (bp->dcbx_port_params.pfc.enabled && | 
|  | (!(bp->dcbx_error & DCBX_REMOTE_MIB_ERROR) || mfw_configured)) | 
|  | /* | 
|  | * 1. Fills up common PFC structures if required | 
|  | * 2. Configure NIG, MAC and BRB via the elink | 
|  | */ | 
|  | bnx2x_pfc_set(bp); | 
|  | else | 
|  | bnx2x_pfc_clear(bp); | 
|  | } | 
|  |  | 
|  | int bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp) | 
|  | { | 
|  | struct bnx2x_func_state_params func_params = {NULL}; | 
|  | int rc; | 
|  |  | 
|  | func_params.f_obj = &bp->func_obj; | 
|  | func_params.cmd = BNX2X_F_CMD_TX_STOP; | 
|  |  | 
|  | __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags); | 
|  | __set_bit(RAMROD_RETRY, &func_params.ramrod_flags); | 
|  |  | 
|  | DP(BNX2X_MSG_DCB, "STOP TRAFFIC\n"); | 
|  |  | 
|  | rc = bnx2x_func_state_change(bp, &func_params); | 
|  | if (rc) { | 
|  | BNX2X_ERR("Unable to hold traffic for HW configuration\n"); | 
|  | bnx2x_panic(); | 
|  | } | 
|  |  | 
|  | return rc; | 
|  | } | 
|  |  | 
|  | int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp) | 
|  | { | 
|  | struct bnx2x_func_state_params func_params = {NULL}; | 
|  | struct bnx2x_func_tx_start_params *tx_params = | 
|  | &func_params.params.tx_start; | 
|  | int rc; | 
|  |  | 
|  | func_params.f_obj = &bp->func_obj; | 
|  | func_params.cmd = BNX2X_F_CMD_TX_START; | 
|  |  | 
|  | __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags); | 
|  | __set_bit(RAMROD_RETRY, &func_params.ramrod_flags); | 
|  |  | 
|  | bnx2x_dcbx_fw_struct(bp, tx_params); | 
|  |  | 
|  | DP(BNX2X_MSG_DCB, "START TRAFFIC\n"); | 
|  |  | 
|  | rc = bnx2x_func_state_change(bp, &func_params); | 
|  | if (rc) { | 
|  | BNX2X_ERR("Unable to resume traffic after HW configuration\n"); | 
|  | bnx2x_panic(); | 
|  | } | 
|  |  | 
|  | return rc; | 
|  | } | 
|  |  | 
|  | static void bnx2x_dcbx_2cos_limit_update_ets_config(struct bnx2x *bp) | 
|  | { | 
|  | struct bnx2x_dcbx_pg_params *ets = &(bp->dcbx_port_params.ets); | 
|  | int rc = 0; | 
|  |  | 
|  | if (ets->num_of_cos == 0 || ets->num_of_cos > DCBX_COS_MAX_NUM_E2) { | 
|  | BNX2X_ERR("Illegal number of COSes %d\n", ets->num_of_cos); | 
|  | return; | 
|  | } | 
|  |  | 
|  | /* valid COS entries */ | 
|  | if (ets->num_of_cos == 1)   /* no ETS */ | 
|  | return; | 
|  |  | 
|  | /* sanity */ | 
|  | if (((BNX2X_DCBX_STRICT_INVALID == ets->cos_params[0].strict) && | 
|  | (DCBX_INVALID_COS_BW == ets->cos_params[0].bw_tbl)) || | 
|  | ((BNX2X_DCBX_STRICT_INVALID == ets->cos_params[1].strict) && | 
|  | (DCBX_INVALID_COS_BW == ets->cos_params[1].bw_tbl))) { | 
|  | BNX2X_ERR("all COS should have at least bw_limit or strict" | 
|  | "ets->cos_params[0].strict= %x" | 
|  | "ets->cos_params[0].bw_tbl= %x" | 
|  | "ets->cos_params[1].strict= %x" | 
|  | "ets->cos_params[1].bw_tbl= %x", | 
|  | ets->cos_params[0].strict, | 
|  | ets->cos_params[0].bw_tbl, | 
|  | ets->cos_params[1].strict, | 
|  | ets->cos_params[1].bw_tbl); | 
|  | return; | 
|  | } | 
|  | /* If we join a group and there is bw_tbl and strict then bw rules */ | 
|  | if ((DCBX_INVALID_COS_BW != ets->cos_params[0].bw_tbl) && | 
|  | (DCBX_INVALID_COS_BW != ets->cos_params[1].bw_tbl)) { | 
|  | uint32_t bw_tbl_0 = ets->cos_params[0].bw_tbl; | 
|  | uint32_t bw_tbl_1 = ets->cos_params[1].bw_tbl; | 
|  | /* Do not allow 0-100 configuration | 
|  | * since PBF does not support it | 
|  | * force 1-99 instead | 
|  | */ | 
|  | if (bw_tbl_0 == 0) { | 
|  | bw_tbl_0 = 1; | 
|  | bw_tbl_1 = 99; | 
|  | } else if (bw_tbl_1 == 0) { | 
|  | bw_tbl_1 = 1; | 
|  | bw_tbl_0 = 99; | 
|  | } | 
|  |  | 
|  | bnx2x_ets_bw_limit(&bp->link_params, bw_tbl_0, bw_tbl_1); | 
|  | } else { | 
|  | if (ets->cos_params[0].strict == BNX2X_DCBX_STRICT_COS_HIGHEST) | 
|  | rc = bnx2x_ets_strict(&bp->link_params, 0); | 
|  | else if (ets->cos_params[1].strict | 
|  | == BNX2X_DCBX_STRICT_COS_HIGHEST) | 
|  | rc = bnx2x_ets_strict(&bp->link_params, 1); | 
|  | if (rc) | 
|  | BNX2X_ERR("update_ets_params failed\n"); | 
|  | } | 
|  | } | 
|  |  | 
|  | /* | 
|  | * In E3B0 the configuration may have more than 2 COS. | 
|  | */ | 
|  | static void bnx2x_dcbx_update_ets_config(struct bnx2x *bp) | 
|  | { | 
|  | struct bnx2x_dcbx_pg_params *ets = &(bp->dcbx_port_params.ets); | 
|  | struct bnx2x_ets_params ets_params = { 0 }; | 
|  | uint8_t i; | 
|  |  | 
|  | ets_params.num_of_cos = ets->num_of_cos; | 
|  |  | 
|  | for (i = 0; i < ets->num_of_cos; i++) { | 
|  | /* COS is SP */ | 
|  | if (ets->cos_params[i].strict != BNX2X_DCBX_STRICT_INVALID) { | 
|  | if (ets->cos_params[i].bw_tbl != DCBX_INVALID_COS_BW) { | 
|  | BNX2X_ERR("COS can't be not BW and not SP\n"); | 
|  | return; | 
|  | } | 
|  |  | 
|  | ets_params.cos[i].state = bnx2x_cos_state_strict; | 
|  | ets_params.cos[i].params.sp_params.pri = | 
|  | ets->cos_params[i].strict; | 
|  | } else { /* COS is BW */ | 
|  | if (ets->cos_params[i].bw_tbl == DCBX_INVALID_COS_BW) { | 
|  | BNX2X_ERR("COS can't be not BW and not SP\n"); | 
|  | return; | 
|  | } | 
|  | ets_params.cos[i].state = bnx2x_cos_state_bw; | 
|  | ets_params.cos[i].params.bw_params.bw = | 
|  | (uint8_t)ets->cos_params[i].bw_tbl; | 
|  | } | 
|  | } | 
|  |  | 
|  | /* Configure the ETS in HW */ | 
|  | if (bnx2x_ets_e3b0_config(&bp->link_params, &bp->link_vars, | 
|  | &ets_params)) { | 
|  | BNX2X_ERR("bnx2x_ets_e3b0_config failed\n"); | 
|  | bnx2x_ets_disabled(&bp->link_params, &bp->link_vars); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void bnx2x_dcbx_update_ets_params(struct bnx2x *bp) | 
|  | { | 
|  | int mfw_configured = SHMEM2_HAS(bp, drv_flags) && | 
|  | GET_FLAGS(SHMEM2_RD(bp, drv_flags), | 
|  | 1 << DRV_FLAGS_DCB_MFW_CONFIGURED); | 
|  |  | 
|  | bnx2x_ets_disabled(&bp->link_params, &bp->link_vars); | 
|  |  | 
|  | if (!bp->dcbx_port_params.ets.enabled || | 
|  | ((bp->dcbx_error & DCBX_REMOTE_MIB_ERROR) && !mfw_configured)) | 
|  | return; | 
|  |  | 
|  | if (CHIP_IS_E3B0(bp)) | 
|  | bnx2x_dcbx_update_ets_config(bp); | 
|  | else | 
|  | bnx2x_dcbx_2cos_limit_update_ets_config(bp); | 
|  | } | 
|  |  | 
|  | #ifdef BCM_DCBNL | 
|  | static int bnx2x_dcbx_read_shmem_remote_mib(struct bnx2x *bp) | 
|  | { | 
|  | struct lldp_remote_mib remote_mib = {0}; | 
|  | uint32_t dcbx_remote_mib_offset = SHMEM2_RD(bp, dcbx_remote_mib_offset); | 
|  | int rc; | 
|  |  | 
|  | DP(BNX2X_MSG_DCB, "dcbx_remote_mib_offset 0x%x\n", | 
|  | dcbx_remote_mib_offset); | 
|  |  | 
|  | if (SHMEM_DCBX_REMOTE_MIB_NONE == dcbx_remote_mib_offset) { | 
|  | BNX2X_ERR("FW doesn't support dcbx_remote_mib_offset\n"); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | rc = bnx2x_dcbx_read_mib(bp, (uint32_t *)&remote_mib, | 
|  | dcbx_remote_mib_offset, | 
|  | DCBX_READ_REMOTE_MIB); | 
|  |  | 
|  | if (rc) { | 
|  | BNX2X_ERR("Failed to read remote mib from FW\n"); | 
|  | return rc; | 
|  | } | 
|  |  | 
|  | /* save features and flags */ | 
|  | bp->dcbx_remote_feat = remote_mib.features; | 
|  | bp->dcbx_remote_flags = remote_mib.flags; | 
|  | return 0; | 
|  | } | 
|  | #endif | 
|  |  | 
|  | static int bnx2x_dcbx_read_shmem_neg_results(struct bnx2x *bp) | 
|  | { | 
|  | struct lldp_local_mib local_mib = {0}; | 
|  | uint32_t dcbx_neg_res_offset = SHMEM2_RD(bp, dcbx_neg_res_offset); | 
|  | int rc; | 
|  |  | 
|  | DP(BNX2X_MSG_DCB, "dcbx_neg_res_offset 0x%x\n", dcbx_neg_res_offset); | 
|  |  | 
|  | if (SHMEM_DCBX_NEG_RES_NONE == dcbx_neg_res_offset) { | 
|  | BNX2X_ERR("FW doesn't support dcbx_neg_res_offset\n"); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | rc = bnx2x_dcbx_read_mib(bp, (uint32_t *)&local_mib, | 
|  | dcbx_neg_res_offset, | 
|  | DCBX_READ_LOCAL_MIB); | 
|  |  | 
|  | if (rc) { | 
|  | BNX2X_ERR("Failed to read local mib from FW\n"); | 
|  | return rc; | 
|  | } | 
|  |  | 
|  | /* save features and error */ | 
|  | bp->dcbx_local_feat = local_mib.features; | 
|  | bp->dcbx_error = local_mib.error; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | #ifdef BCM_DCBNL | 
|  | static inline | 
|  | uint8_t bnx2x_dcbx_dcbnl_app_up(struct dcbx_app_priority_entry *ent) | 
|  | { | 
|  | uint8_t pri; | 
|  |  | 
|  | /* Choose the highest priority */ | 
|  | for (pri = MAX_PFC_PRIORITIES - 1; pri > 0; pri--) | 
|  | if (ent->pri_bitmap & (1 << pri)) | 
|  | break; | 
|  | return pri; | 
|  | } | 
|  |  | 
|  | static inline | 
|  | uint8_t bnx2x_dcbx_dcbnl_app_idtype(struct dcbx_app_priority_entry *ent) | 
|  | { | 
|  | return ((ent->appBitfield & DCBX_APP_ENTRY_SF_MASK) == | 
|  | DCBX_APP_SF_PORT) ? DCB_APP_IDTYPE_PORTNUM : | 
|  | DCB_APP_IDTYPE_ETHTYPE; | 
|  | } | 
|  |  | 
|  | int bnx2x_dcbnl_update_applist(struct bnx2x *bp, bool delall) | 
|  | { | 
|  | int i, err = 0; | 
|  |  | 
|  | for (i = 0; i < DCBX_MAX_APP_PROTOCOL && err == 0; i++) { | 
|  | struct dcbx_app_priority_entry *ent = | 
|  | &bp->dcbx_local_feat.app.app_pri_tbl[i]; | 
|  |  | 
|  | if (ent->appBitfield & DCBX_APP_ENTRY_VALID) { | 
|  | uint8_t up = bnx2x_dcbx_dcbnl_app_up(ent); | 
|  |  | 
|  | /* avoid invalid user-priority */ | 
|  | if (up) { | 
|  | struct dcb_app app; | 
|  | app.selector = bnx2x_dcbx_dcbnl_app_idtype(ent); | 
|  | app.protocol = ent->app_id; | 
|  | app.priority = delall ? 0 : up; | 
|  | err = dcb_setapp(bp->dev, &app); | 
|  | } | 
|  | } | 
|  | } | 
|  | return err; | 
|  | } | 
|  | #endif | 
|  |  | 
|  | static inline void bnx2x_dcbx_update_tc_mapping(struct bnx2x *bp) | 
|  | { | 
|  | uint8_t prio, cos; | 
|  | for (cos = 0; cos < bp->dcbx_port_params.ets.num_of_cos; cos++) { | 
|  | for (prio = 0; prio < BNX2X_MAX_PRIORITY; prio++) { | 
|  | if (bp->dcbx_port_params.ets.cos_params[cos].pri_bitmask | 
|  | & (1 << prio)) { | 
|  | bp->prio_to_cos[prio] = cos; | 
|  | DP(BNX2X_MSG_DCB, | 
|  | "tx_mapping %d --> %d\n", prio, cos); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | /* setup tc must be called under rtnl lock, but we can't take it here | 
|  | * as we are handling an attention on a work queue which must be | 
|  | * flushed at some rtnl-locked contexts (e.g. if down) | 
|  | */ | 
|  | bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_SETUP_TC, 0); | 
|  | } | 
|  |  | 
|  | void bnx2x_dcbx_set_params(struct bnx2x *bp, uint32_t state) | 
|  | { | 
|  | switch (state) { | 
|  | case BNX2X_DCBX_STATE_NEG_RECEIVED: | 
|  | { | 
|  | DP(BNX2X_MSG_DCB, "BNX2X_DCBX_STATE_NEG_RECEIVED\n"); | 
|  | #ifdef BCM_DCBNL | 
|  | /** | 
|  | * Delete app tlvs from dcbnl before reading new | 
|  | * negotiation results | 
|  | */ | 
|  | bnx2x_dcbnl_update_applist(bp, true); | 
|  |  | 
|  | /* Read remote mib if dcbx is in the FW */ | 
|  | if (bnx2x_dcbx_read_shmem_remote_mib(bp)) | 
|  | return; | 
|  | #endif | 
|  | /* Read neg results if dcbx is in the FW */ | 
|  | if (bnx2x_dcbx_read_shmem_neg_results(bp)) | 
|  | return; | 
|  |  | 
|  | bnx2x_dump_dcbx_drv_param(bp, &bp->dcbx_local_feat, | 
|  | bp->dcbx_error); | 
|  |  | 
|  | bnx2x_get_dcbx_drv_param(bp, &bp->dcbx_local_feat, | 
|  | bp->dcbx_error); | 
|  |  | 
|  | /* mark DCBX result for PMF migration */ | 
|  | bnx2x_update_drv_flags(bp, | 
|  | 1 << DRV_FLAGS_DCB_CONFIGURED, | 
|  | 1); | 
|  | #ifdef BCM_DCBNL | 
|  | /* | 
|  | * Add new app tlvs to dcbnl | 
|  | */ | 
|  | bnx2x_dcbnl_update_applist(bp, false); | 
|  | #endif | 
|  | /* | 
|  | * reconfigure the netdevice with the results of the new | 
|  | * dcbx negotiation. | 
|  | */ | 
|  | bnx2x_dcbx_update_tc_mapping(bp); | 
|  |  | 
|  | /* | 
|  | * allow other functions to update their netdevices | 
|  | * accordingly | 
|  | */ | 
|  | if (IS_MF(bp)) | 
|  | bnx2x_link_sync_notify(bp); | 
|  |  | 
|  | bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_TX_STOP, 0); | 
|  | return; | 
|  | } | 
|  | case BNX2X_DCBX_STATE_TX_PAUSED: | 
|  | DP(BNX2X_MSG_DCB, "BNX2X_DCBX_STATE_TX_PAUSED\n"); | 
|  | bnx2x_pfc_set_pfc(bp); | 
|  |  | 
|  | bnx2x_dcbx_update_ets_params(bp); | 
|  |  | 
|  | /* ets may affect cmng configuration: reinit it in hw */ | 
|  | bnx2x_set_local_cmng(bp); | 
|  | return; | 
|  | case BNX2X_DCBX_STATE_TX_RELEASED: | 
|  | DP(BNX2X_MSG_DCB, "BNX2X_DCBX_STATE_TX_RELEASED\n"); | 
|  | bnx2x_fw_command(bp, DRV_MSG_CODE_DCBX_PMF_DRV_OK, 0); | 
|  | #ifdef BCM_DCBNL | 
|  | /* | 
|  | * Send a notification for the new negotiated parameters | 
|  | */ | 
|  | dcbnl_cee_notify(bp->dev, RTM_GETDCB, DCB_CMD_CEE_GET, 0, 0); | 
|  | #endif | 
|  | return; | 
|  | default: | 
|  | BNX2X_ERR("Unknown DCBX_STATE\n"); | 
|  | } | 
|  | } | 
|  |  | 
|  | #define LLDP_ADMIN_MIB_OFFSET(bp)	(PORT_MAX*sizeof(struct lldp_params) + \ | 
|  | BP_PORT(bp)*sizeof(struct lldp_admin_mib)) | 
|  |  | 
|  | static void bnx2x_dcbx_admin_mib_updated_params(struct bnx2x *bp, | 
|  | uint32_t dcbx_lldp_params_offset) | 
|  | { | 
|  | struct lldp_admin_mib admin_mib; | 
|  | uint32_t i, other_traf_type = PREDEFINED_APP_IDX_MAX, traf_type = 0; | 
|  | uint32_t offset = dcbx_lldp_params_offset + LLDP_ADMIN_MIB_OFFSET(bp); | 
|  |  | 
|  | /*shortcuts*/ | 
|  | struct dcbx_features *af = &admin_mib.features; | 
|  | struct bnx2x_config_dcbx_params *dp = &bp->dcbx_config_params; | 
|  |  | 
|  | memset(&admin_mib, 0, sizeof(struct lldp_admin_mib)); | 
|  |  | 
|  | /* Read the data first */ | 
|  | bnx2x_read_data(bp, (uint32_t *)&admin_mib, offset, | 
|  | sizeof(struct lldp_admin_mib)); | 
|  |  | 
|  | if (bp->dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_ON) | 
|  | SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_DCBX_ENABLED); | 
|  | else | 
|  | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_DCBX_ENABLED); | 
|  |  | 
|  | if (dp->overwrite_settings == BNX2X_DCBX_OVERWRITE_SETTINGS_ENABLE) { | 
|  |  | 
|  | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_CEE_VERSION_MASK); | 
|  | admin_mib.ver_cfg_flags |= | 
|  | (dp->admin_dcbx_version << DCBX_CEE_VERSION_SHIFT) & | 
|  | DCBX_CEE_VERSION_MASK; | 
|  |  | 
|  | af->ets.enabled = (uint8_t)dp->admin_ets_enable; | 
|  |  | 
|  | af->pfc.enabled = (uint8_t)dp->admin_pfc_enable; | 
|  |  | 
|  | /* FOR IEEE dp->admin_tc_supported_tx_enable */ | 
|  | if (dp->admin_ets_configuration_tx_enable) | 
|  | SET_FLAGS(admin_mib.ver_cfg_flags, | 
|  | DCBX_ETS_CONFIG_TX_ENABLED); | 
|  | else | 
|  | RESET_FLAGS(admin_mib.ver_cfg_flags, | 
|  | DCBX_ETS_CONFIG_TX_ENABLED); | 
|  | /* For IEEE admin_ets_recommendation_tx_enable */ | 
|  | if (dp->admin_pfc_tx_enable) | 
|  | SET_FLAGS(admin_mib.ver_cfg_flags, | 
|  | DCBX_PFC_CONFIG_TX_ENABLED); | 
|  | else | 
|  | RESET_FLAGS(admin_mib.ver_cfg_flags, | 
|  | DCBX_PFC_CONFIG_TX_ENABLED); | 
|  |  | 
|  | if (dp->admin_application_priority_tx_enable) | 
|  | SET_FLAGS(admin_mib.ver_cfg_flags, | 
|  | DCBX_APP_CONFIG_TX_ENABLED); | 
|  | else | 
|  | RESET_FLAGS(admin_mib.ver_cfg_flags, | 
|  | DCBX_APP_CONFIG_TX_ENABLED); | 
|  |  | 
|  | if (dp->admin_ets_willing) | 
|  | SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_ETS_WILLING); | 
|  | else | 
|  | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_ETS_WILLING); | 
|  | /* For IEEE admin_ets_reco_valid */ | 
|  | if (dp->admin_pfc_willing) | 
|  | SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_PFC_WILLING); | 
|  | else | 
|  | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_PFC_WILLING); | 
|  |  | 
|  | if (dp->admin_app_priority_willing) | 
|  | SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_APP_WILLING); | 
|  | else | 
|  | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_APP_WILLING); | 
|  |  | 
|  | for (i = 0 ; i < DCBX_MAX_NUM_PG_BW_ENTRIES; i++) { | 
|  | DCBX_PG_BW_SET(af->ets.pg_bw_tbl, i, | 
|  | (uint8_t)dp->admin_configuration_bw_precentage[i]); | 
|  |  | 
|  | DP(BNX2X_MSG_DCB, "pg_bw_tbl[%d] = %02x\n", | 
|  | i, DCBX_PG_BW_GET(af->ets.pg_bw_tbl, i)); | 
|  | } | 
|  |  | 
|  | for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++) { | 
|  | DCBX_PRI_PG_SET(af->ets.pri_pg_tbl, i, | 
|  | (uint8_t)dp->admin_configuration_ets_pg[i]); | 
|  |  | 
|  | DP(BNX2X_MSG_DCB, "pri_pg_tbl[%d] = %02x\n", | 
|  | i, DCBX_PRI_PG_GET(af->ets.pri_pg_tbl, i)); | 
|  | } | 
|  |  | 
|  | /*For IEEE admin_recommendation_bw_percentage | 
|  | *For IEEE admin_recommendation_ets_pg */ | 
|  | af->pfc.pri_en_bitmap = (uint8_t)dp->admin_pfc_bitmap; | 
|  | for (i = 0; i < DCBX_CONFIG_MAX_APP_PROTOCOL; i++) { | 
|  | if (dp->admin_priority_app_table[i].valid) { | 
|  | struct bnx2x_admin_priority_app_table *table = | 
|  | dp->admin_priority_app_table; | 
|  | if ((ETH_TYPE_FCOE == table[i].app_id) && | 
|  | (TRAFFIC_TYPE_ETH == table[i].traffic_type)) | 
|  | traf_type = FCOE_APP_IDX; | 
|  | else if ((TCP_PORT_ISCSI == table[i].app_id) && | 
|  | (TRAFFIC_TYPE_PORT == table[i].traffic_type)) | 
|  | traf_type = ISCSI_APP_IDX; | 
|  | else | 
|  | traf_type = other_traf_type++; | 
|  |  | 
|  | af->app.app_pri_tbl[traf_type].app_id = | 
|  | table[i].app_id; | 
|  |  | 
|  | af->app.app_pri_tbl[traf_type].pri_bitmap = | 
|  | (uint8_t)(1 << table[i].priority); | 
|  |  | 
|  | af->app.app_pri_tbl[traf_type].appBitfield = | 
|  | (DCBX_APP_ENTRY_VALID); | 
|  |  | 
|  | af->app.app_pri_tbl[traf_type].appBitfield |= | 
|  | (TRAFFIC_TYPE_ETH == table[i].traffic_type) ? | 
|  | DCBX_APP_SF_ETH_TYPE : DCBX_APP_SF_PORT; | 
|  | } | 
|  | } | 
|  |  | 
|  | af->app.default_pri = (uint8_t)dp->admin_default_priority; | 
|  | } | 
|  |  | 
|  | /* Write the data. */ | 
|  | bnx2x_write_data(bp, (uint32_t *)&admin_mib, offset, | 
|  | sizeof(struct lldp_admin_mib)); | 
|  | } | 
|  |  | 
|  | void bnx2x_dcbx_set_state(struct bnx2x *bp, bool dcb_on, | 
|  | uint32_t dcbx_enabled) | 
|  | { | 
|  | if (!CHIP_IS_E1x(bp)) { | 
|  | bp->dcb_state = dcb_on; | 
|  | bp->dcbx_enabled = dcbx_enabled; | 
|  | } else { | 
|  | bp->dcb_state = false; | 
|  | bp->dcbx_enabled = BNX2X_DCBX_ENABLED_INVALID; | 
|  | } | 
|  | DP(BNX2X_MSG_DCB, "DCB state [%s:%s]\n", | 
|  | dcb_on ? "ON" : "OFF", | 
|  | dcbx_enabled == BNX2X_DCBX_ENABLED_OFF ? "user-mode" : | 
|  | dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_OFF ? "on-chip static" : | 
|  | dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_ON ? | 
|  | "on-chip with negotiation" : "invalid"); | 
|  | } | 
|  |  | 
|  | void bnx2x_dcbx_init_params(struct bnx2x *bp) | 
|  | { | 
|  | bp->dcbx_config_params.admin_dcbx_version = 0x0; /* 0 - CEE; 1 - IEEE */ | 
|  | bp->dcbx_config_params.admin_ets_willing = 1; | 
|  | bp->dcbx_config_params.admin_pfc_willing = 1; | 
|  | bp->dcbx_config_params.overwrite_settings = 1; | 
|  | bp->dcbx_config_params.admin_ets_enable = 1; | 
|  | bp->dcbx_config_params.admin_pfc_enable = 1; | 
|  | bp->dcbx_config_params.admin_tc_supported_tx_enable = 1; | 
|  | bp->dcbx_config_params.admin_ets_configuration_tx_enable = 1; | 
|  | bp->dcbx_config_params.admin_pfc_tx_enable = 1; | 
|  | bp->dcbx_config_params.admin_application_priority_tx_enable = 1; | 
|  | bp->dcbx_config_params.admin_ets_reco_valid = 1; | 
|  | bp->dcbx_config_params.admin_app_priority_willing = 1; | 
|  | bp->dcbx_config_params.admin_configuration_bw_precentage[0] = 100; | 
|  | bp->dcbx_config_params.admin_configuration_bw_precentage[1] = 0; | 
|  | bp->dcbx_config_params.admin_configuration_bw_precentage[2] = 0; | 
|  | bp->dcbx_config_params.admin_configuration_bw_precentage[3] = 0; | 
|  | bp->dcbx_config_params.admin_configuration_bw_precentage[4] = 0; | 
|  | bp->dcbx_config_params.admin_configuration_bw_precentage[5] = 0; | 
|  | bp->dcbx_config_params.admin_configuration_bw_precentage[6] = 0; | 
|  | bp->dcbx_config_params.admin_configuration_bw_precentage[7] = 0; | 
|  | bp->dcbx_config_params.admin_configuration_ets_pg[0] = 0; | 
|  | bp->dcbx_config_params.admin_configuration_ets_pg[1] = 0; | 
|  | bp->dcbx_config_params.admin_configuration_ets_pg[2] = 0; | 
|  | bp->dcbx_config_params.admin_configuration_ets_pg[3] = 0; | 
|  | bp->dcbx_config_params.admin_configuration_ets_pg[4] = 0; | 
|  | bp->dcbx_config_params.admin_configuration_ets_pg[5] = 0; | 
|  | bp->dcbx_config_params.admin_configuration_ets_pg[6] = 0; | 
|  | bp->dcbx_config_params.admin_configuration_ets_pg[7] = 0; | 
|  | bp->dcbx_config_params.admin_recommendation_bw_precentage[0] = 100; | 
|  | bp->dcbx_config_params.admin_recommendation_bw_precentage[1] = 0; | 
|  | bp->dcbx_config_params.admin_recommendation_bw_precentage[2] = 0; | 
|  | bp->dcbx_config_params.admin_recommendation_bw_precentage[3] = 0; | 
|  | bp->dcbx_config_params.admin_recommendation_bw_precentage[4] = 0; | 
|  | bp->dcbx_config_params.admin_recommendation_bw_precentage[5] = 0; | 
|  | bp->dcbx_config_params.admin_recommendation_bw_precentage[6] = 0; | 
|  | bp->dcbx_config_params.admin_recommendation_bw_precentage[7] = 0; | 
|  | bp->dcbx_config_params.admin_recommendation_ets_pg[0] = 0; | 
|  | bp->dcbx_config_params.admin_recommendation_ets_pg[1] = 1; | 
|  | bp->dcbx_config_params.admin_recommendation_ets_pg[2] = 2; | 
|  | bp->dcbx_config_params.admin_recommendation_ets_pg[3] = 3; | 
|  | bp->dcbx_config_params.admin_recommendation_ets_pg[4] = 4; | 
|  | bp->dcbx_config_params.admin_recommendation_ets_pg[5] = 5; | 
|  | bp->dcbx_config_params.admin_recommendation_ets_pg[6] = 6; | 
|  | bp->dcbx_config_params.admin_recommendation_ets_pg[7] = 7; | 
|  | bp->dcbx_config_params.admin_pfc_bitmap = 0x0; | 
|  | bp->dcbx_config_params.admin_priority_app_table[0].valid = 0; | 
|  | bp->dcbx_config_params.admin_priority_app_table[1].valid = 0; | 
|  | bp->dcbx_config_params.admin_priority_app_table[2].valid = 0; | 
|  | bp->dcbx_config_params.admin_priority_app_table[3].valid = 0; | 
|  | bp->dcbx_config_params.admin_default_priority = 0; | 
|  | } | 
|  |  | 
|  | void bnx2x_dcbx_init(struct bnx2x *bp, bool update_shmem) | 
|  | { | 
|  | uint32_t dcbx_lldp_params_offset = SHMEM_LLDP_DCBX_PARAMS_NONE; | 
|  |  | 
|  | /* only PMF can send ADMIN msg to MFW in old MFW versions */ | 
|  | if ((!bp->port.pmf) && (!(bp->flags & BC_SUPPORTS_DCBX_MSG_NON_PMF))) | 
|  | return; | 
|  |  | 
|  | if (bp->dcbx_enabled <= 0) | 
|  | return; | 
|  |  | 
|  | /* validate: | 
|  | * chip of good for dcbx version, | 
|  | * dcb is wanted | 
|  | * shmem2 contains DCBX support fields | 
|  | */ | 
|  | DP(BNX2X_MSG_DCB, "dcb_state %d bp->port.pmf %d\n", | 
|  | bp->dcb_state, bp->port.pmf); | 
|  |  | 
|  | if (bp->dcb_state == BNX2X_DCB_STATE_ON && | 
|  | SHMEM2_HAS(bp, dcbx_lldp_params_offset)) { | 
|  | dcbx_lldp_params_offset = | 
|  | SHMEM2_RD(bp, dcbx_lldp_params_offset); | 
|  |  | 
|  | DP(BNX2X_MSG_DCB, "dcbx_lldp_params_offset 0x%x\n", | 
|  | dcbx_lldp_params_offset); | 
|  |  | 
|  | bnx2x_update_drv_flags(bp, 1 << DRV_FLAGS_DCB_CONFIGURED, 0); | 
|  |  | 
|  | if (SHMEM_LLDP_DCBX_PARAMS_NONE != dcbx_lldp_params_offset) { | 
|  | /* need HW lock to avoid scenario of two drivers | 
|  | * writing in parallel to shmem | 
|  | */ | 
|  | bnx2x_acquire_hw_lock(bp, | 
|  | HW_LOCK_RESOURCE_DCBX_ADMIN_MIB); | 
|  | if (update_shmem) | 
|  | bnx2x_dcbx_admin_mib_updated_params(bp, | 
|  | dcbx_lldp_params_offset); | 
|  |  | 
|  | /* Let HW start negotiation */ | 
|  | bnx2x_fw_command(bp, | 
|  | DRV_MSG_CODE_DCBX_ADMIN_PMF_MSG, 0); | 
|  | /* release HW lock only after MFW acks that it finished | 
|  | * reading values from shmem | 
|  | */ | 
|  | bnx2x_release_hw_lock(bp, | 
|  | HW_LOCK_RESOURCE_DCBX_ADMIN_MIB); | 
|  | } | 
|  | } | 
|  | } | 
|  | static void | 
|  | bnx2x_dcbx_print_cos_params(struct bnx2x *bp, | 
|  | struct bnx2x_func_tx_start_params *pfc_fw_cfg) | 
|  | { | 
|  | uint8_t pri = 0; | 
|  | uint8_t cos = 0; | 
|  |  | 
|  | DP(BNX2X_MSG_DCB, | 
|  | "pfc_fw_cfg->dcb_version %x\n", pfc_fw_cfg->dcb_version); | 
|  | DP(BNX2X_MSG_DCB, | 
|  | "pdev->params.dcbx_port_params.pfc.priority_non_pauseable_mask %x\n", | 
|  | bp->dcbx_port_params.pfc.priority_non_pauseable_mask); | 
|  |  | 
|  | for (cos = 0 ; cos < bp->dcbx_port_params.ets.num_of_cos ; cos++) { | 
|  | DP(BNX2X_MSG_DCB, | 
|  | "pdev->params.dcbx_port_params.ets.cos_params[%d].pri_bitmask %x\n", | 
|  | cos, bp->dcbx_port_params.ets.cos_params[cos].pri_bitmask); | 
|  |  | 
|  | DP(BNX2X_MSG_DCB, | 
|  | "pdev->params.dcbx_port_params.ets.cos_params[%d].bw_tbl %x\n", | 
|  | cos, bp->dcbx_port_params.ets.cos_params[cos].bw_tbl); | 
|  |  | 
|  | DP(BNX2X_MSG_DCB, | 
|  | "pdev->params.dcbx_port_params.ets.cos_params[%d].strict %x\n", | 
|  | cos, bp->dcbx_port_params.ets.cos_params[cos].strict); | 
|  |  | 
|  | DP(BNX2X_MSG_DCB, | 
|  | "pdev->params.dcbx_port_params.ets.cos_params[%d].pauseable %x\n", | 
|  | cos, bp->dcbx_port_params.ets.cos_params[cos].pauseable); | 
|  | } | 
|  |  | 
|  | for (pri = 0; pri < LLFC_DRIVER_TRAFFIC_TYPE_MAX; pri++) { | 
|  | DP(BNX2X_MSG_DCB, | 
|  | "pfc_fw_cfg->traffic_type_to_priority_cos[%d].priority %x\n", | 
|  | pri, pfc_fw_cfg->traffic_type_to_priority_cos[pri].priority); | 
|  |  | 
|  | DP(BNX2X_MSG_DCB, | 
|  | "pfc_fw_cfg->traffic_type_to_priority_cos[%d].cos %x\n", | 
|  | pri, pfc_fw_cfg->traffic_type_to_priority_cos[pri].cos); | 
|  | } | 
|  | } | 
|  |  | 
|  | /* fills help_data according to pg_info */ | 
|  | static void bnx2x_dcbx_get_num_pg_traf_type(struct bnx2x *bp, | 
|  | uint32_t *pg_pri_orginal_spread, | 
|  | struct pg_help_data *help_data) | 
|  | { | 
|  | bool pg_found  = false; | 
|  | uint32_t i, traf_type, add_traf_type, add_pg; | 
|  | uint32_t *ttp = bp->dcbx_port_params.app.traffic_type_priority; | 
|  | struct pg_entry_help_data *data = help_data->data; /*shortcut*/ | 
|  |  | 
|  | /* Set to invalid */ | 
|  | for (i = 0; i < LLFC_DRIVER_TRAFFIC_TYPE_MAX; i++) | 
|  | data[i].pg = DCBX_ILLEGAL_PG; | 
|  |  | 
|  | for (add_traf_type = 0; | 
|  | add_traf_type < LLFC_DRIVER_TRAFFIC_TYPE_MAX; add_traf_type++) { | 
|  | pg_found = false; | 
|  | if (ttp[add_traf_type] < MAX_PFC_PRIORITIES) { | 
|  | add_pg = (uint8_t)pg_pri_orginal_spread[ttp[add_traf_type]]; | 
|  | for (traf_type = 0; | 
|  | traf_type < LLFC_DRIVER_TRAFFIC_TYPE_MAX; | 
|  | traf_type++) { | 
|  | if (data[traf_type].pg == add_pg) { | 
|  | if (!(data[traf_type].pg_priority & | 
|  | (1 << ttp[add_traf_type]))) | 
|  | data[traf_type]. | 
|  | num_of_dif_pri++; | 
|  | data[traf_type].pg_priority |= | 
|  | (1 << ttp[add_traf_type]); | 
|  | pg_found = true; | 
|  | break; | 
|  | } | 
|  | } | 
|  | if (false == pg_found) { | 
|  | data[help_data->num_of_pg].pg = add_pg; | 
|  | data[help_data->num_of_pg].pg_priority = | 
|  | (1 << ttp[add_traf_type]); | 
|  | data[help_data->num_of_pg].num_of_dif_pri = 1; | 
|  | help_data->num_of_pg++; | 
|  | } | 
|  | } | 
|  | DP(BNX2X_MSG_DCB, | 
|  | "add_traf_type %d pg_found %s num_of_pg %d\n", | 
|  | add_traf_type, (false == pg_found) ? "NO" : "YES", | 
|  | help_data->num_of_pg); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void bnx2x_dcbx_ets_disabled_entry_data(struct bnx2x *bp, | 
|  | struct cos_help_data *cos_data, | 
|  | uint32_t pri_join_mask) | 
|  | { | 
|  | /* Only one priority than only one COS */ | 
|  | cos_data->data[0].pausable = | 
|  | IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask); | 
|  | cos_data->data[0].pri_join_mask = pri_join_mask; | 
|  | cos_data->data[0].cos_bw = 100; | 
|  | cos_data->num_of_cos = 1; | 
|  | } | 
|  |  | 
|  | static inline void bnx2x_dcbx_add_to_cos_bw(struct bnx2x *bp, | 
|  | struct cos_entry_help_data *data, | 
|  | uint8_t pg_bw) | 
|  | { | 
|  | if (data->cos_bw == DCBX_INVALID_COS_BW) | 
|  | data->cos_bw = pg_bw; | 
|  | else | 
|  | data->cos_bw += pg_bw; | 
|  | } | 
|  |  | 
|  | static void bnx2x_dcbx_separate_pauseable_from_non(struct bnx2x *bp, | 
|  | struct cos_help_data *cos_data, | 
|  | uint32_t *pg_pri_orginal_spread, | 
|  | struct dcbx_ets_feature *ets) | 
|  | { | 
|  | uint32_t	pri_tested	= 0; | 
|  | uint8_t	i		= 0; | 
|  | uint8_t	entry		= 0; | 
|  | uint8_t	pg_entry	= 0; | 
|  | uint8_t	num_of_pri	= LLFC_DRIVER_TRAFFIC_TYPE_MAX; | 
|  |  | 
|  | cos_data->data[0].pausable = true; | 
|  | cos_data->data[1].pausable = false; | 
|  | cos_data->data[0].pri_join_mask = cos_data->data[1].pri_join_mask = 0; | 
|  |  | 
|  | for (i = 0 ; i < num_of_pri ; i++) { | 
|  | pri_tested = 1 << bp->dcbx_port_params. | 
|  | app.traffic_type_priority[i]; | 
|  |  | 
|  | if (pri_tested & DCBX_PFC_PRI_NON_PAUSE_MASK(bp)) { | 
|  | cos_data->data[1].pri_join_mask |= pri_tested; | 
|  | entry = 1; | 
|  | } else { | 
|  | cos_data->data[0].pri_join_mask |= pri_tested; | 
|  | entry = 0; | 
|  | } | 
|  | pg_entry = (uint8_t)pg_pri_orginal_spread[bp->dcbx_port_params. | 
|  | app.traffic_type_priority[i]]; | 
|  | /* There can be only one strict pg */ | 
|  | if (pg_entry < DCBX_MAX_NUM_PG_BW_ENTRIES) | 
|  | bnx2x_dcbx_add_to_cos_bw(bp, &cos_data->data[entry], | 
|  | DCBX_PG_BW_GET(ets->pg_bw_tbl, pg_entry)); | 
|  | else | 
|  | /* If we join a group and one is strict | 
|  | * than the bw rules | 
|  | */ | 
|  | cos_data->data[entry].strict = | 
|  | BNX2X_DCBX_STRICT_COS_HIGHEST; | 
|  | } | 
|  | if ((0 == cos_data->data[0].pri_join_mask) && | 
|  | (0 == cos_data->data[1].pri_join_mask)) | 
|  | BNX2X_ERR("dcbx error: Both groups must have priorities\n"); | 
|  | } | 
|  |  | 
|  | #ifndef POWER_OF_2 | 
|  | #define POWER_OF_2(x)	((0 != x) && (0 == (x & (x-1)))) | 
|  | #endif | 
|  |  | 
|  | static void bnx2x_dcbx_2cos_limit_cee_single_pg_to_cos_params(struct bnx2x *bp, | 
|  | struct pg_help_data *pg_help_data, | 
|  | struct cos_help_data *cos_data, | 
|  | uint32_t pri_join_mask, | 
|  | uint8_t num_of_dif_pri) | 
|  | { | 
|  | uint8_t i = 0; | 
|  | uint32_t pri_tested = 0; | 
|  | uint32_t pri_mask_without_pri = 0; | 
|  | uint32_t *ttp = bp->dcbx_port_params.app.traffic_type_priority; | 
|  | /*debug*/ | 
|  | if (num_of_dif_pri == 1) { | 
|  | bnx2x_dcbx_ets_disabled_entry_data(bp, cos_data, pri_join_mask); | 
|  | return; | 
|  | } | 
|  | /* single priority group */ | 
|  | if (pg_help_data->data[0].pg < DCBX_MAX_NUM_PG_BW_ENTRIES) { | 
|  | /* If there are both pauseable and non-pauseable priorities, | 
|  | * the pauseable priorities go to the first queue and | 
|  | * the non-pauseable priorities go to the second queue. | 
|  | */ | 
|  | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) { | 
|  | /* Pauseable */ | 
|  | cos_data->data[0].pausable = true; | 
|  | /* Non pauseable.*/ | 
|  | cos_data->data[1].pausable = false; | 
|  |  | 
|  | if (2 == num_of_dif_pri) { | 
|  | cos_data->data[0].cos_bw = 50; | 
|  | cos_data->data[1].cos_bw = 50; | 
|  | } | 
|  |  | 
|  | if (3 == num_of_dif_pri) { | 
|  | if (POWER_OF_2(DCBX_PFC_PRI_GET_PAUSE(bp, | 
|  | pri_join_mask))) { | 
|  | cos_data->data[0].cos_bw = 33; | 
|  | cos_data->data[1].cos_bw = 67; | 
|  | } else { | 
|  | cos_data->data[0].cos_bw = 67; | 
|  | cos_data->data[1].cos_bw = 33; | 
|  | } | 
|  | } | 
|  |  | 
|  | } else if (IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask)) { | 
|  | /* If there are only pauseable priorities, | 
|  | * then one/two priorities go to the first queue | 
|  | * and one priority goes to the second queue. | 
|  | */ | 
|  | if (2 == num_of_dif_pri) { | 
|  | cos_data->data[0].cos_bw = 50; | 
|  | cos_data->data[1].cos_bw = 50; | 
|  | } else { | 
|  | cos_data->data[0].cos_bw = 67; | 
|  | cos_data->data[1].cos_bw = 33; | 
|  | } | 
|  | cos_data->data[1].pausable = true; | 
|  | cos_data->data[0].pausable = true; | 
|  | /* All priorities except FCOE */ | 
|  | cos_data->data[0].pri_join_mask = (pri_join_mask & | 
|  | ((uint8_t)~(1 << ttp[LLFC_TRAFFIC_TYPE_FCOE]))); | 
|  | /* Only FCOE priority.*/ | 
|  | cos_data->data[1].pri_join_mask = | 
|  | (1 << ttp[LLFC_TRAFFIC_TYPE_FCOE]); | 
|  | } else | 
|  | /* If there are only non-pauseable priorities, | 
|  | * they will all go to the same queue. | 
|  | */ | 
|  | bnx2x_dcbx_ets_disabled_entry_data(bp, | 
|  | cos_data, pri_join_mask); | 
|  | } else { | 
|  | /* priority group which is not BW limited (PG#15):*/ | 
|  | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) { | 
|  | /* If there are both pauseable and non-pauseable | 
|  | * priorities, the pauseable priorities go to the first | 
|  | * queue and the non-pauseable priorities | 
|  | * go to the second queue. | 
|  | */ | 
|  | if (DCBX_PFC_PRI_GET_PAUSE(bp, pri_join_mask) > | 
|  | DCBX_PFC_PRI_GET_NON_PAUSE(bp, pri_join_mask)) { | 
|  | cos_data->data[0].strict = | 
|  | BNX2X_DCBX_STRICT_COS_HIGHEST; | 
|  | cos_data->data[1].strict = | 
|  | BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI( | 
|  | BNX2X_DCBX_STRICT_COS_HIGHEST); | 
|  | } else { | 
|  | cos_data->data[0].strict = | 
|  | BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI( | 
|  | BNX2X_DCBX_STRICT_COS_HIGHEST); | 
|  | cos_data->data[1].strict = | 
|  | BNX2X_DCBX_STRICT_COS_HIGHEST; | 
|  | } | 
|  | /* Pauseable */ | 
|  | cos_data->data[0].pausable = true; | 
|  | /* Non pause-able.*/ | 
|  | cos_data->data[1].pausable = false; | 
|  | } else { | 
|  | /* If there are only pauseable priorities or | 
|  | * only non-pauseable,* the lower priorities go | 
|  | * to the first queue and the higher priorities go | 
|  | * to the second queue. | 
|  | */ | 
|  | cos_data->data[0].pausable = | 
|  | cos_data->data[1].pausable = | 
|  | IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask); | 
|  |  | 
|  | for (i = 0 ; i < LLFC_DRIVER_TRAFFIC_TYPE_MAX; i++) { | 
|  | pri_tested = 1 << bp->dcbx_port_params. | 
|  | app.traffic_type_priority[i]; | 
|  | /* Remove priority tested */ | 
|  | pri_mask_without_pri = | 
|  | (pri_join_mask & ((uint8_t)(~pri_tested))); | 
|  | if (pri_mask_without_pri < pri_tested) | 
|  | break; | 
|  | } | 
|  |  | 
|  | if (i == LLFC_DRIVER_TRAFFIC_TYPE_MAX) | 
|  | BNX2X_ERR("Invalid value for pri_join_mask - could not find a priority\n"); | 
|  |  | 
|  | cos_data->data[0].pri_join_mask = pri_mask_without_pri; | 
|  | cos_data->data[1].pri_join_mask = pri_tested; | 
|  | /* Both queues are strict priority, | 
|  | * and that with the highest priority | 
|  | * gets the highest strict priority in the arbiter. | 
|  | */ | 
|  | cos_data->data[0].strict = | 
|  | BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI( | 
|  | BNX2X_DCBX_STRICT_COS_HIGHEST); | 
|  | cos_data->data[1].strict = | 
|  | BNX2X_DCBX_STRICT_COS_HIGHEST; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | static void bnx2x_dcbx_2cos_limit_cee_two_pg_to_cos_params( | 
|  | struct bnx2x		*bp, | 
|  | struct  pg_help_data	*pg_help_data, | 
|  | struct dcbx_ets_feature	*ets, | 
|  | struct cos_help_data	*cos_data, | 
|  | uint32_t			*pg_pri_orginal_spread, | 
|  | uint32_t				pri_join_mask, | 
|  | uint8_t				num_of_dif_pri) | 
|  | { | 
|  | uint8_t i = 0; | 
|  | uint8_t pg[DCBX_COS_MAX_NUM_E2] = { 0 }; | 
|  |  | 
|  | /* If there are both pauseable and non-pauseable priorities, | 
|  | * the pauseable priorities go to the first queue and | 
|  | * the non-pauseable priorities go to the second queue. | 
|  | */ | 
|  | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) { | 
|  | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, | 
|  | pg_help_data->data[0].pg_priority) || | 
|  | IS_DCBX_PFC_PRI_MIX_PAUSE(bp, | 
|  | pg_help_data->data[1].pg_priority)) { | 
|  | /* If one PG contains both pauseable and | 
|  | * non-pauseable priorities then ETS is disabled. | 
|  | */ | 
|  | bnx2x_dcbx_separate_pauseable_from_non(bp, cos_data, | 
|  | pg_pri_orginal_spread, ets); | 
|  | bp->dcbx_port_params.ets.enabled = false; | 
|  | return; | 
|  | } | 
|  |  | 
|  | /* Pauseable */ | 
|  | cos_data->data[0].pausable = true; | 
|  | /* Non pauseable. */ | 
|  | cos_data->data[1].pausable = false; | 
|  | if (IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, | 
|  | pg_help_data->data[0].pg_priority)) { | 
|  | /* 0 is pauseable */ | 
|  | cos_data->data[0].pri_join_mask = | 
|  | pg_help_data->data[0].pg_priority; | 
|  | pg[0] = pg_help_data->data[0].pg; | 
|  | cos_data->data[1].pri_join_mask = | 
|  | pg_help_data->data[1].pg_priority; | 
|  | pg[1] = pg_help_data->data[1].pg; | 
|  | } else {/* 1 is pauseable */ | 
|  | cos_data->data[0].pri_join_mask = | 
|  | pg_help_data->data[1].pg_priority; | 
|  | pg[0] = pg_help_data->data[1].pg; | 
|  | cos_data->data[1].pri_join_mask = | 
|  | pg_help_data->data[0].pg_priority; | 
|  | pg[1] = pg_help_data->data[0].pg; | 
|  | } | 
|  | } else { | 
|  | /* If there are only pauseable priorities or | 
|  | * only non-pauseable, each PG goes to a queue. | 
|  | */ | 
|  | cos_data->data[0].pausable = cos_data->data[1].pausable = | 
|  | IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask); | 
|  | cos_data->data[0].pri_join_mask = | 
|  | pg_help_data->data[0].pg_priority; | 
|  | pg[0] = pg_help_data->data[0].pg; | 
|  | cos_data->data[1].pri_join_mask = | 
|  | pg_help_data->data[1].pg_priority; | 
|  | pg[1] = pg_help_data->data[1].pg; | 
|  | } | 
|  |  | 
|  | /* There can be only one strict pg */ | 
|  | for (i = 0 ; i < ARRAY_SIZE(pg); i++) { | 
|  | if (pg[i] < DCBX_MAX_NUM_PG_BW_ENTRIES) | 
|  | cos_data->data[i].cos_bw = | 
|  | DCBX_PG_BW_GET(ets->pg_bw_tbl, pg[i]); | 
|  | else | 
|  | cos_data->data[i].strict = | 
|  | BNX2X_DCBX_STRICT_COS_HIGHEST; | 
|  | } | 
|  | } | 
|  |  | 
|  | static int bnx2x_dcbx_join_pgs( | 
|  | struct bnx2x            *bp, | 
|  | struct dcbx_ets_feature *ets, | 
|  | struct pg_help_data     *pg_help_data, | 
|  | uint8_t                      required_num_of_pg) | 
|  | { | 
|  | uint8_t entry_joined    = pg_help_data->num_of_pg - 1; | 
|  | uint8_t entry_removed   = entry_joined + 1; | 
|  | uint8_t pg_joined       = 0; | 
|  |  | 
|  | if (required_num_of_pg == 0 || ARRAY_SIZE(pg_help_data->data) | 
|  | <= pg_help_data->num_of_pg) { | 
|  |  | 
|  | BNX2X_ERR("required_num_of_pg can't be zero\n"); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | while (required_num_of_pg < pg_help_data->num_of_pg) { | 
|  | entry_joined = pg_help_data->num_of_pg - 2; | 
|  | entry_removed = entry_joined + 1; | 
|  | /* protect index */ | 
|  | entry_removed %= ARRAY_SIZE(pg_help_data->data); | 
|  |  | 
|  | pg_help_data->data[entry_joined].pg_priority |= | 
|  | pg_help_data->data[entry_removed].pg_priority; | 
|  |  | 
|  | pg_help_data->data[entry_joined].num_of_dif_pri += | 
|  | pg_help_data->data[entry_removed].num_of_dif_pri; | 
|  |  | 
|  | if (pg_help_data->data[entry_joined].pg == DCBX_STRICT_PRI_PG || | 
|  | pg_help_data->data[entry_removed].pg == DCBX_STRICT_PRI_PG) | 
|  | /* Entries joined strict priority rules */ | 
|  | pg_help_data->data[entry_joined].pg = | 
|  | DCBX_STRICT_PRI_PG; | 
|  | else { | 
|  | /* Entries can be joined join BW */ | 
|  | pg_joined = DCBX_PG_BW_GET(ets->pg_bw_tbl, | 
|  | pg_help_data->data[entry_joined].pg) + | 
|  | DCBX_PG_BW_GET(ets->pg_bw_tbl, | 
|  | pg_help_data->data[entry_removed].pg); | 
|  |  | 
|  | DCBX_PG_BW_SET(ets->pg_bw_tbl, | 
|  | pg_help_data->data[entry_joined].pg, pg_joined); | 
|  | } | 
|  | /* Joined the entries */ | 
|  | pg_help_data->num_of_pg--; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void bnx2x_dcbx_2cos_limit_cee_three_pg_to_cos_params( | 
|  | struct bnx2x		*bp, | 
|  | struct pg_help_data	*pg_help_data, | 
|  | struct dcbx_ets_feature	*ets, | 
|  | struct cos_help_data	*cos_data, | 
|  | uint32_t			*pg_pri_orginal_spread, | 
|  | uint32_t			pri_join_mask, | 
|  | uint8_t			num_of_dif_pri) | 
|  | { | 
|  | uint8_t i = 0; | 
|  | uint32_t pri_tested = 0; | 
|  | uint8_t entry = 0; | 
|  | uint8_t pg_entry = 0; | 
|  | bool b_found_strict = false; | 
|  | uint8_t num_of_pri = LLFC_DRIVER_TRAFFIC_TYPE_MAX; | 
|  |  | 
|  | cos_data->data[0].pri_join_mask = cos_data->data[1].pri_join_mask = 0; | 
|  | /* If there are both pauseable and non-pauseable priorities, | 
|  | * the pauseable priorities go to the first queue and the | 
|  | * non-pauseable priorities go to the second queue. | 
|  | */ | 
|  | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) | 
|  | bnx2x_dcbx_separate_pauseable_from_non(bp, | 
|  | cos_data, pg_pri_orginal_spread, ets); | 
|  | else { | 
|  | /* If two BW-limited PG-s were combined to one queue, | 
|  | * the BW is their sum. | 
|  | * | 
|  | * If there are only pauseable priorities or only non-pauseable, | 
|  | * and there are both BW-limited and non-BW-limited PG-s, | 
|  | * the BW-limited PG/s go to one queue and the non-BW-limited | 
|  | * PG/s go to the second queue. | 
|  | * | 
|  | * If there are only pauseable priorities or only non-pauseable | 
|  | * and all are BW limited, then	two priorities go to the first | 
|  | * queue and one priority goes to the second queue. | 
|  | * | 
|  | * We will join this two cases: | 
|  | * if one is BW limited it will go to the second queue | 
|  | * otherwise the last priority will get it | 
|  | */ | 
|  |  | 
|  | cos_data->data[0].pausable = cos_data->data[1].pausable = | 
|  | IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask); | 
|  |  | 
|  | for (i = 0 ; i < num_of_pri; i++) { | 
|  | pri_tested = 1 << bp->dcbx_port_params. | 
|  | app.traffic_type_priority[i]; | 
|  | pg_entry = (uint8_t)pg_pri_orginal_spread[bp-> | 
|  | dcbx_port_params.app.traffic_type_priority[i]]; | 
|  |  | 
|  | if (pg_entry < DCBX_MAX_NUM_PG_BW_ENTRIES) { | 
|  | entry = 0; | 
|  |  | 
|  | if (i == (num_of_pri-1) && | 
|  | false == b_found_strict) | 
|  | /* last entry will be handled separately | 
|  | * If no priority is strict than last | 
|  | * entry goes to last queue. | 
|  | */ | 
|  | entry = 1; | 
|  | cos_data->data[entry].pri_join_mask |= | 
|  | pri_tested; | 
|  | bnx2x_dcbx_add_to_cos_bw(bp, | 
|  | &cos_data->data[entry], | 
|  | DCBX_PG_BW_GET(ets->pg_bw_tbl, | 
|  | pg_entry)); | 
|  | } else { | 
|  | b_found_strict = true; | 
|  | cos_data->data[1].pri_join_mask |= pri_tested; | 
|  | /* If we join a group and one is strict | 
|  | * than the bw rules | 
|  | */ | 
|  | cos_data->data[1].strict = | 
|  | BNX2X_DCBX_STRICT_COS_HIGHEST; | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | static void bnx2x_dcbx_2cos_limit_cee_fill_cos_params(struct bnx2x *bp, | 
|  | struct pg_help_data *help_data, | 
|  | struct dcbx_ets_feature *ets, | 
|  | struct cos_help_data *cos_data, | 
|  | uint32_t *pg_pri_orginal_spread, | 
|  | uint32_t pri_join_mask, | 
|  | uint8_t num_of_dif_pri) | 
|  | { | 
|  | /* default E2 settings */ | 
|  | cos_data->num_of_cos = DCBX_COS_MAX_NUM_E2; | 
|  |  | 
|  | switch (help_data->num_of_pg) { | 
|  | case 1: | 
|  | bnx2x_dcbx_2cos_limit_cee_single_pg_to_cos_params( | 
|  | bp, | 
|  | help_data, | 
|  | cos_data, | 
|  | pri_join_mask, | 
|  | num_of_dif_pri); | 
|  | break; | 
|  | case 2: | 
|  | bnx2x_dcbx_2cos_limit_cee_two_pg_to_cos_params( | 
|  | bp, | 
|  | help_data, | 
|  | ets, | 
|  | cos_data, | 
|  | pg_pri_orginal_spread, | 
|  | pri_join_mask, | 
|  | num_of_dif_pri); | 
|  | break; | 
|  |  | 
|  | case 3: | 
|  | bnx2x_dcbx_2cos_limit_cee_three_pg_to_cos_params( | 
|  | bp, | 
|  | help_data, | 
|  | ets, | 
|  | cos_data, | 
|  | pg_pri_orginal_spread, | 
|  | pri_join_mask, | 
|  | num_of_dif_pri); | 
|  | break; | 
|  | default: | 
|  | BNX2X_ERR("Wrong pg_help_data.num_of_pg\n"); | 
|  | bnx2x_dcbx_ets_disabled_entry_data(bp, | 
|  | cos_data, pri_join_mask); | 
|  | } | 
|  | } | 
|  |  | 
|  | static int bnx2x_dcbx_spread_strict_pri(struct bnx2x *bp, | 
|  | struct cos_help_data *cos_data, | 
|  | uint8_t entry, | 
|  | uint8_t num_spread_of_entries, | 
|  | uint8_t strict_app_pris) | 
|  | { | 
|  | uint8_t strict_pri = BNX2X_DCBX_STRICT_COS_HIGHEST; | 
|  | uint8_t num_of_app_pri = MAX_PFC_PRIORITIES; | 
|  | uint8_t app_pri_bit = 0; | 
|  |  | 
|  | while (num_spread_of_entries && num_of_app_pri > 0) { | 
|  | app_pri_bit = 1 << (num_of_app_pri - 1); | 
|  | if (app_pri_bit & strict_app_pris) { | 
|  | struct cos_entry_help_data *data = &cos_data-> | 
|  | data[entry]; | 
|  | num_spread_of_entries--; | 
|  | if (num_spread_of_entries == 0) { | 
|  | /* last entry needed put all the entries left */ | 
|  | data->cos_bw = DCBX_INVALID_COS_BW; | 
|  | data->strict = strict_pri; | 
|  | data->pri_join_mask = strict_app_pris; | 
|  | data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp, | 
|  | data->pri_join_mask); | 
|  | } else { | 
|  | strict_app_pris &= ~app_pri_bit; | 
|  |  | 
|  | data->cos_bw = DCBX_INVALID_COS_BW; | 
|  | data->strict = strict_pri; | 
|  | data->pri_join_mask = app_pri_bit; | 
|  | data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp, | 
|  | data->pri_join_mask); | 
|  | } | 
|  |  | 
|  | strict_pri = | 
|  | BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI(strict_pri); | 
|  | entry++; | 
|  | } | 
|  |  | 
|  | num_of_app_pri--; | 
|  | } | 
|  |  | 
|  | if (num_spread_of_entries) { | 
|  | BNX2X_ERR("Didn't succeed to spread strict priorities\n"); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static uint8_t bnx2x_dcbx_cee_fill_strict_pri(struct bnx2x *bp, | 
|  | struct cos_help_data *cos_data, | 
|  | uint8_t entry, | 
|  | uint8_t num_spread_of_entries, | 
|  | uint8_t strict_app_pris) | 
|  | { | 
|  | if (bnx2x_dcbx_spread_strict_pri(bp, cos_data, entry, | 
|  | num_spread_of_entries, | 
|  | strict_app_pris)) { | 
|  | struct cos_entry_help_data *data = &cos_data-> | 
|  | data[entry]; | 
|  | /* Fill BW entry */ | 
|  | data->cos_bw = DCBX_INVALID_COS_BW; | 
|  | data->strict = BNX2X_DCBX_STRICT_COS_HIGHEST; | 
|  | data->pri_join_mask = strict_app_pris; | 
|  | data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp, | 
|  | data->pri_join_mask); | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | return num_spread_of_entries; | 
|  | } | 
|  |  | 
|  | static void bnx2x_dcbx_cee_fill_cos_params(struct bnx2x *bp, | 
|  | struct pg_help_data *help_data, | 
|  | struct dcbx_ets_feature *ets, | 
|  | struct cos_help_data *cos_data, | 
|  | uint32_t pri_join_mask) | 
|  |  | 
|  | { | 
|  | uint8_t need_num_of_entries = 0; | 
|  | uint8_t i = 0; | 
|  | uint8_t entry = 0; | 
|  |  | 
|  | /* | 
|  | * if the number of requested PG-s in CEE is greater than 3 | 
|  | * then the results are not determined since this is a violation | 
|  | * of the standard. | 
|  | */ | 
|  | if (help_data->num_of_pg > DCBX_COS_MAX_NUM_E3B0) { | 
|  | if (bnx2x_dcbx_join_pgs(bp, ets, help_data, | 
|  | DCBX_COS_MAX_NUM_E3B0)) { | 
|  | BNX2X_ERR("Unable to reduce the number of PGs - we will disables ETS\n"); | 
|  | bnx2x_dcbx_ets_disabled_entry_data(bp, cos_data, | 
|  | pri_join_mask); | 
|  | return; | 
|  | } | 
|  | } | 
|  |  | 
|  | for (i = 0 ; i < help_data->num_of_pg; i++) { | 
|  | struct pg_entry_help_data *pg =  &help_data->data[i]; | 
|  | if (pg->pg < DCBX_MAX_NUM_PG_BW_ENTRIES) { | 
|  | struct cos_entry_help_data *data = &cos_data-> | 
|  | data[entry]; | 
|  | /* Fill BW entry */ | 
|  | data->cos_bw = DCBX_PG_BW_GET(ets->pg_bw_tbl, pg->pg); | 
|  | data->strict = BNX2X_DCBX_STRICT_INVALID; | 
|  | data->pri_join_mask = pg->pg_priority; | 
|  | data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp, | 
|  | data->pri_join_mask); | 
|  |  | 
|  | entry++; | 
|  | } else { | 
|  | need_num_of_entries =  MIN_T(uint8_t, | 
|  | (uint8_t)pg->num_of_dif_pri, | 
|  | (uint8_t)DCBX_COS_MAX_NUM_E3B0 - help_data->num_of_pg + 1); | 
|  | /* | 
|  | * If there are still VOQ-s which have no associated PG, | 
|  | * then associate these VOQ-s to PG15. These PG-s will | 
|  | * be used for SP between priorities on PG15. | 
|  | */ | 
|  | entry += bnx2x_dcbx_cee_fill_strict_pri(bp, cos_data, | 
|  | entry, need_num_of_entries, pg->pg_priority); | 
|  | } | 
|  | } | 
|  |  | 
|  | /* the entry will represent the number of COSes used */ | 
|  | cos_data->num_of_cos = entry; | 
|  | } | 
|  | static void bnx2x_dcbx_fill_cos_params(struct bnx2x *bp, | 
|  | struct pg_help_data *help_data, | 
|  | struct dcbx_ets_feature *ets, | 
|  | uint32_t *pg_pri_orginal_spread) | 
|  | { | 
|  | struct cos_help_data         cos_data; | 
|  | uint8_t                    i                           = 0; | 
|  | uint32_t                   pri_join_mask               = 0; | 
|  | uint8_t                    num_of_dif_pri              = 0; | 
|  |  | 
|  | memset(&cos_data, 0, sizeof(cos_data)); | 
|  |  | 
|  | /* Validate the pg value */ | 
|  | for (i = 0; i < help_data->num_of_pg ; i++) { | 
|  | if (DCBX_STRICT_PRIORITY != help_data->data[i].pg && | 
|  | DCBX_MAX_NUM_PG_BW_ENTRIES <= help_data->data[i].pg) | 
|  | BNX2X_ERR("Invalid pg[%d] data %x\n", i, | 
|  | help_data->data[i].pg); | 
|  | pri_join_mask   |=  help_data->data[i].pg_priority; | 
|  | num_of_dif_pri  += help_data->data[i].num_of_dif_pri; | 
|  | } | 
|  |  | 
|  | /* defaults */ | 
|  | cos_data.num_of_cos = 1; | 
|  | for (i = 0; i < ARRAY_SIZE(cos_data.data); i++) { | 
|  | cos_data.data[i].pri_join_mask = 0; | 
|  | cos_data.data[i].pausable = false; | 
|  | cos_data.data[i].strict = BNX2X_DCBX_STRICT_INVALID; | 
|  | cos_data.data[i].cos_bw = DCBX_INVALID_COS_BW; | 
|  | } | 
|  |  | 
|  | if (CHIP_IS_E3B0(bp)) | 
|  | bnx2x_dcbx_cee_fill_cos_params(bp, help_data, ets, | 
|  | &cos_data, pri_join_mask); | 
|  | else /* E2 + E3A0 */ | 
|  | bnx2x_dcbx_2cos_limit_cee_fill_cos_params(bp, | 
|  | help_data, ets, | 
|  | &cos_data, | 
|  | pg_pri_orginal_spread, | 
|  | pri_join_mask, | 
|  | num_of_dif_pri); | 
|  |  | 
|  | for (i = 0; i < cos_data.num_of_cos ; i++) { | 
|  | struct bnx2x_dcbx_cos_params *p = | 
|  | &bp->dcbx_port_params.ets.cos_params[i]; | 
|  |  | 
|  | p->strict = cos_data.data[i].strict; | 
|  | p->bw_tbl = cos_data.data[i].cos_bw; | 
|  | p->pri_bitmask = cos_data.data[i].pri_join_mask; | 
|  | p->pauseable = cos_data.data[i].pausable; | 
|  |  | 
|  | /* sanity */ | 
|  | if (p->bw_tbl != DCBX_INVALID_COS_BW || | 
|  | p->strict != BNX2X_DCBX_STRICT_INVALID) { | 
|  | if (p->pri_bitmask == 0) | 
|  | BNX2X_ERR("Invalid pri_bitmask for %d\n", i); | 
|  |  | 
|  | if (CHIP_IS_E2(bp) || CHIP_IS_E3A0(bp)) { | 
|  |  | 
|  | if (p->pauseable && | 
|  | DCBX_PFC_PRI_GET_NON_PAUSE(bp, | 
|  | p->pri_bitmask) != 0) | 
|  | BNX2X_ERR("Inconsistent config for pausable COS %d\n", | 
|  | i); | 
|  |  | 
|  | if (!p->pauseable && | 
|  | DCBX_PFC_PRI_GET_PAUSE(bp, | 
|  | p->pri_bitmask) != 0) | 
|  | BNX2X_ERR("Inconsistent config for nonpausable COS %d\n", | 
|  | i); | 
|  | } | 
|  | } | 
|  |  | 
|  | if (p->pauseable) | 
|  | DP(BNX2X_MSG_DCB, "COS %d PAUSABLE prijoinmask 0x%x\n", | 
|  | i, cos_data.data[i].pri_join_mask); | 
|  | else | 
|  | DP(BNX2X_MSG_DCB, | 
|  | "COS %d NONPAUSABLE prijoinmask 0x%x\n", | 
|  | i, cos_data.data[i].pri_join_mask); | 
|  | } | 
|  |  | 
|  | bp->dcbx_port_params.ets.num_of_cos = cos_data.num_of_cos ; | 
|  | } | 
|  |  | 
|  | static void bnx2x_dcbx_get_ets_pri_pg_tbl(struct bnx2x *bp, | 
|  | uint32_t *set_configuration_ets_pg, | 
|  | uint32_t *pri_pg_tbl) | 
|  | { | 
|  | int i; | 
|  |  | 
|  | for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++) { | 
|  | set_configuration_ets_pg[i] = DCBX_PRI_PG_GET(pri_pg_tbl, i); | 
|  |  | 
|  | DP(BNX2X_MSG_DCB, "set_configuration_ets_pg[%d] = 0x%x\n", | 
|  | i, set_configuration_ets_pg[i]); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void bnx2x_dcbx_fw_struct(struct bnx2x *bp, | 
|  | struct bnx2x_func_tx_start_params *pfc_fw_cfg) | 
|  | { | 
|  | uint16_t pri_bit = 0; | 
|  | uint8_t cos = 0, pri = 0; | 
|  | struct priority_cos *tt2cos; | 
|  | uint32_t *ttp = bp->dcbx_port_params.app.traffic_type_priority; | 
|  | int mfw_configured = SHMEM2_HAS(bp, drv_flags) && | 
|  | GET_FLAGS(SHMEM2_RD(bp, drv_flags), | 
|  | 1 << DRV_FLAGS_DCB_MFW_CONFIGURED); | 
|  |  | 
|  | memset(pfc_fw_cfg, 0, sizeof(*pfc_fw_cfg)); | 
|  |  | 
|  | /* to disable DCB - the structure must be zeroed */ | 
|  | if ((bp->dcbx_error & DCBX_REMOTE_MIB_ERROR) && !mfw_configured) | 
|  | return; | 
|  |  | 
|  | /*shortcut*/ | 
|  | tt2cos = pfc_fw_cfg->traffic_type_to_priority_cos; | 
|  |  | 
|  | /* Fw version should be incremented each update */ | 
|  | pfc_fw_cfg->dcb_version = ++bp->dcb_version; | 
|  | pfc_fw_cfg->dcb_enabled = 1; | 
|  |  | 
|  | /* Fill priority parameters */ | 
|  | for (pri = 0; pri < LLFC_DRIVER_TRAFFIC_TYPE_MAX; pri++) { | 
|  | tt2cos[pri].priority = ttp[pri]; | 
|  | pri_bit = 1 << tt2cos[pri].priority; | 
|  |  | 
|  | /* Fill COS parameters based on COS calculated to | 
|  | * make it more general for future use */ | 
|  | for (cos = 0; cos < bp->dcbx_port_params.ets.num_of_cos; cos++) | 
|  | if (bp->dcbx_port_params.ets.cos_params[cos]. | 
|  | pri_bitmask & pri_bit) | 
|  | tt2cos[pri].cos = cos; | 
|  | } | 
|  |  | 
|  | /* we never want the FW to add a 0 vlan tag */ | 
|  | pfc_fw_cfg->dont_add_pri_0_en = 1; | 
|  |  | 
|  | bnx2x_dcbx_print_cos_params(bp,	pfc_fw_cfg); | 
|  | } | 
|  |  | 
|  | void bnx2x_dcbx_pmf_update(struct bnx2x *bp) | 
|  | { | 
|  | /* if we need to synchronize DCBX result from prev PMF | 
|  | * read it from shmem and update bp and netdev accordingly | 
|  | */ | 
|  | if (SHMEM2_HAS(bp, drv_flags) && | 
|  | GET_FLAGS(SHMEM2_RD(bp, drv_flags), 1 << DRV_FLAGS_DCB_CONFIGURED)) { | 
|  | /* Read neg results if dcbx is in the FW */ | 
|  | if (bnx2x_dcbx_read_shmem_neg_results(bp)) | 
|  | return; | 
|  |  | 
|  | bnx2x_dump_dcbx_drv_param(bp, &bp->dcbx_local_feat, | 
|  | bp->dcbx_error); | 
|  | bnx2x_get_dcbx_drv_param(bp, &bp->dcbx_local_feat, | 
|  | bp->dcbx_error); | 
|  | #ifdef BCM_DCBNL | 
|  | /* | 
|  | * Add new app tlvs to dcbnl | 
|  | */ | 
|  | bnx2x_dcbnl_update_applist(bp, false); | 
|  | /* | 
|  | * Send a notification for the new negotiated parameters | 
|  | */ | 
|  | dcbnl_cee_notify(bp->dev, RTM_GETDCB, DCB_CMD_CEE_GET, 0, 0); | 
|  | #endif | 
|  | /* | 
|  | * reconfigure the netdevice with the results of the new | 
|  | * dcbx negotiation. | 
|  | */ | 
|  | bnx2x_dcbx_update_tc_mapping(bp); | 
|  | } | 
|  | } | 
|  |  | 
|  | /* DCB netlink */ | 
|  | #ifdef BCM_DCBNL | 
|  |  | 
|  | #define BNX2X_DCBX_CAPS		(DCB_CAP_DCBX_LLD_MANAGED | \ | 
|  | DCB_CAP_DCBX_VER_CEE | DCB_CAP_DCBX_STATIC) | 
|  |  | 
|  | static inline bool bnx2x_dcbnl_set_valid(struct bnx2x *bp) | 
|  | { | 
|  | /* validate dcbnl call that may change HW state: | 
|  | * DCB is on and DCBX mode was SUCCESSFULLY set by the user. | 
|  | */ | 
|  | return bp->dcb_state && bp->dcbx_mode_uset; | 
|  | } | 
|  |  | 
|  | static uint8_t bnx2x_dcbnl_get_state(struct ether *netdev) | 
|  | { | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  | DP(BNX2X_MSG_DCB, "state = %d\n", bp->dcb_state); | 
|  | return bp->dcb_state; | 
|  | } | 
|  |  | 
|  | static uint8_t bnx2x_dcbnl_set_state(struct ether *netdev, uint8_t state) | 
|  | { | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  | DP(BNX2X_MSG_DCB, "state = %s\n", state ? "on" : "off"); | 
|  |  | 
|  | /* Fail to set state to "enabled" if dcbx is disabled in nvram */ | 
|  | if (state && ((bp->dcbx_enabled == BNX2X_DCBX_ENABLED_OFF) || | 
|  | (bp->dcbx_enabled == BNX2X_DCBX_ENABLED_INVALID))) { | 
|  | DP(BNX2X_MSG_DCB, "Can not set dcbx to enabled while it is disabled in nvm\n"); | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | bnx2x_dcbx_set_state(bp, (state ? true : false), bp->dcbx_enabled); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void bnx2x_dcbnl_get_perm_hw_addr(struct ether *netdev, | 
|  | uint8_t *perm_addr) | 
|  | { | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  | DP(BNX2X_MSG_DCB, "GET-PERM-ADDR\n"); | 
|  |  | 
|  | /* first the HW mac address */ | 
|  | memcpy(perm_addr, netdev->ea, netdev->addr_len); | 
|  |  | 
|  | if (CNIC_LOADED(bp)) | 
|  | /* second SAN address */ | 
|  | memcpy(perm_addr+netdev->addr_len, bp->fip_mac, | 
|  | netdev->addr_len); | 
|  | } | 
|  |  | 
|  | static void bnx2x_dcbnl_set_pg_tccfg_tx(struct ether *netdev, int prio, | 
|  | uint8_t prio_type, uint8_t pgid, | 
|  | uint8_t bw_pct, | 
|  | uint8_t up_map) | 
|  | { | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  |  | 
|  | DP(BNX2X_MSG_DCB, "prio[%d] = %d\n", prio, pgid); | 
|  | if (!bnx2x_dcbnl_set_valid(bp) || prio >= DCBX_MAX_NUM_PRI_PG_ENTRIES) | 
|  | return; | 
|  |  | 
|  | /** | 
|  | * bw_pct ignored -	band-width percentage devision between user | 
|  | *			priorities within the same group is not | 
|  | *			standard and hence not supported | 
|  | * | 
|  | * prio_type ignored -	priority levels within the same group are not | 
|  | *			standard and hence are not supported. According | 
|  | *			to the standard pgid 15 is dedicated to strict | 
|  | *			priority traffic (on the port level). | 
|  | * | 
|  | * up_map ignored | 
|  | */ | 
|  |  | 
|  | bp->dcbx_config_params.admin_configuration_ets_pg[prio] = pgid; | 
|  | bp->dcbx_config_params.admin_ets_configuration_tx_enable = 1; | 
|  | } | 
|  |  | 
|  | static void bnx2x_dcbnl_set_pg_bwgcfg_tx(struct ether *netdev, | 
|  | int pgid, uint8_t bw_pct) | 
|  | { | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  | DP(BNX2X_MSG_DCB, "pgid[%d] = %d\n", pgid, bw_pct); | 
|  |  | 
|  | if (!bnx2x_dcbnl_set_valid(bp) || pgid >= DCBX_MAX_NUM_PG_BW_ENTRIES) | 
|  | return; | 
|  |  | 
|  | bp->dcbx_config_params.admin_configuration_bw_precentage[pgid] = bw_pct; | 
|  | bp->dcbx_config_params.admin_ets_configuration_tx_enable = 1; | 
|  | } | 
|  |  | 
|  | static void bnx2x_dcbnl_set_pg_tccfg_rx(struct ether *netdev, int prio, | 
|  | uint8_t prio_type, uint8_t pgid, | 
|  | uint8_t bw_pct, | 
|  | uint8_t up_map) | 
|  | { | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  | DP(BNX2X_MSG_DCB, "Nothing to set; No RX support\n"); | 
|  | } | 
|  |  | 
|  | static void bnx2x_dcbnl_set_pg_bwgcfg_rx(struct ether *netdev, | 
|  | int pgid, uint8_t bw_pct) | 
|  | { | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  | DP(BNX2X_MSG_DCB, "Nothing to set; No RX support\n"); | 
|  | } | 
|  |  | 
|  | static void bnx2x_dcbnl_get_pg_tccfg_tx(struct ether *netdev, int prio, | 
|  | uint8_t *prio_type, uint8_t *pgid, | 
|  | uint8_t *bw_pct, | 
|  | uint8_t *up_map) | 
|  | { | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  | DP(BNX2X_MSG_DCB, "prio = %d\n", prio); | 
|  |  | 
|  | /** | 
|  | * bw_pct ignored -	band-width percentage devision between user | 
|  | *			priorities within the same group is not | 
|  | *			standard and hence not supported | 
|  | * | 
|  | * prio_type ignored -	priority levels within the same group are not | 
|  | *			standard and hence are not supported. According | 
|  | *			to the standard pgid 15 is dedicated to strict | 
|  | *			priority traffic (on the port level). | 
|  | * | 
|  | * up_map ignored | 
|  | */ | 
|  | *up_map = *bw_pct = *prio_type = *pgid = 0; | 
|  |  | 
|  | if (!bp->dcb_state || prio >= DCBX_MAX_NUM_PRI_PG_ENTRIES) | 
|  | return; | 
|  |  | 
|  | *pgid = DCBX_PRI_PG_GET(bp->dcbx_local_feat.ets.pri_pg_tbl, prio); | 
|  | } | 
|  |  | 
|  | static void bnx2x_dcbnl_get_pg_bwgcfg_tx(struct ether *netdev, | 
|  | int pgid, uint8_t *bw_pct) | 
|  | { | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  | DP(BNX2X_MSG_DCB, "pgid = %d\n", pgid); | 
|  |  | 
|  | *bw_pct = 0; | 
|  |  | 
|  | if (!bp->dcb_state || pgid >= DCBX_MAX_NUM_PG_BW_ENTRIES) | 
|  | return; | 
|  |  | 
|  | *bw_pct = DCBX_PG_BW_GET(bp->dcbx_local_feat.ets.pg_bw_tbl, pgid); | 
|  | } | 
|  |  | 
|  | static void bnx2x_dcbnl_get_pg_tccfg_rx(struct ether *netdev, int prio, | 
|  | uint8_t *prio_type, uint8_t *pgid, | 
|  | uint8_t *bw_pct, | 
|  | uint8_t *up_map) | 
|  | { | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  | DP(BNX2X_MSG_DCB, "Nothing to get; No RX support\n"); | 
|  |  | 
|  | *prio_type = *pgid = *bw_pct = *up_map = 0; | 
|  | } | 
|  |  | 
|  | static void bnx2x_dcbnl_get_pg_bwgcfg_rx(struct ether *netdev, | 
|  | int pgid, uint8_t *bw_pct) | 
|  | { | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  | DP(BNX2X_MSG_DCB, "Nothing to get; No RX support\n"); | 
|  |  | 
|  | *bw_pct = 0; | 
|  | } | 
|  |  | 
|  | static void bnx2x_dcbnl_set_pfc_cfg(struct ether *netdev, int prio, | 
|  | uint8_t setting) | 
|  | { | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  | DP(BNX2X_MSG_DCB, "prio[%d] = %d\n", prio, setting); | 
|  |  | 
|  | if (!bnx2x_dcbnl_set_valid(bp) || prio >= MAX_PFC_PRIORITIES) | 
|  | return; | 
|  |  | 
|  | if (setting) { | 
|  | bp->dcbx_config_params.admin_pfc_bitmap |= (1 << prio); | 
|  | bp->dcbx_config_params.admin_pfc_tx_enable = 1; | 
|  | } else { | 
|  | bp->dcbx_config_params.admin_pfc_bitmap &= ~(1 << prio); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void bnx2x_dcbnl_get_pfc_cfg(struct ether *netdev, int prio, | 
|  | uint8_t *setting) | 
|  | { | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  | DP(BNX2X_MSG_DCB, "prio = %d\n", prio); | 
|  |  | 
|  | *setting = 0; | 
|  |  | 
|  | if (!bp->dcb_state || prio >= MAX_PFC_PRIORITIES) | 
|  | return; | 
|  |  | 
|  | *setting = (bp->dcbx_local_feat.pfc.pri_en_bitmap >> prio) & 0x1; | 
|  | } | 
|  |  | 
|  | static uint8_t bnx2x_dcbnl_set_all(struct ether *netdev) | 
|  | { | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  |  | 
|  | DP(BNX2X_MSG_DCB, "SET-ALL\n"); | 
|  |  | 
|  | if (!bnx2x_dcbnl_set_valid(bp)) | 
|  | return 1; | 
|  |  | 
|  | if (bp->recovery_state != BNX2X_RECOVERY_DONE) { | 
|  | netdev_err(bp->dev, | 
|  | "Handling parity error recovery. Try again later\n"); | 
|  | return 1; | 
|  | } | 
|  | if (netif_running(bp->dev)) { | 
|  | bnx2x_update_drv_flags(bp, | 
|  | 1 << DRV_FLAGS_DCB_MFW_CONFIGURED, | 
|  | 1); | 
|  | bnx2x_dcbx_init(bp, true); | 
|  | } | 
|  | DP(BNX2X_MSG_DCB, "set_dcbx_params done\n"); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static uint8_t bnx2x_dcbnl_get_cap(struct ether *netdev, int capid, | 
|  | uint8_t *cap) | 
|  | { | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  | uint8_t rval = 0; | 
|  |  | 
|  | if (bp->dcb_state) { | 
|  | switch (capid) { | 
|  | case DCB_CAP_ATTR_PG: | 
|  | *cap = true; | 
|  | break; | 
|  | case DCB_CAP_ATTR_PFC: | 
|  | *cap = true; | 
|  | break; | 
|  | case DCB_CAP_ATTR_UP2TC: | 
|  | *cap = false; | 
|  | break; | 
|  | case DCB_CAP_ATTR_PG_TCS: | 
|  | *cap = 0x80;	/* 8 priorities for PGs */ | 
|  | break; | 
|  | case DCB_CAP_ATTR_PFC_TCS: | 
|  | *cap = 0x80;	/* 8 priorities for PFC */ | 
|  | break; | 
|  | case DCB_CAP_ATTR_GSP: | 
|  | *cap = true; | 
|  | break; | 
|  | case DCB_CAP_ATTR_BCN: | 
|  | *cap = false; | 
|  | break; | 
|  | case DCB_CAP_ATTR_DCBX: | 
|  | *cap = BNX2X_DCBX_CAPS; | 
|  | break; | 
|  | default: | 
|  | BNX2X_ERR("Non valid capability ID\n"); | 
|  | rval = 1; | 
|  | break; | 
|  | } | 
|  | } else { | 
|  | DP(BNX2X_MSG_DCB, "DCB disabled\n"); | 
|  | rval = 1; | 
|  | } | 
|  |  | 
|  | DP(BNX2X_MSG_DCB, "capid %d:%x\n", capid, *cap); | 
|  | return rval; | 
|  | } | 
|  |  | 
|  | static int bnx2x_dcbnl_get_numtcs(struct ether *netdev, int tcid, | 
|  | uint8_t *num) | 
|  | { | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  | uint8_t rval = 0; | 
|  |  | 
|  | DP(BNX2X_MSG_DCB, "tcid %d\n", tcid); | 
|  |  | 
|  | if (bp->dcb_state) { | 
|  | switch (tcid) { | 
|  | case DCB_NUMTCS_ATTR_PG: | 
|  | *num = CHIP_IS_E3B0(bp) ? DCBX_COS_MAX_NUM_E3B0 : | 
|  | DCBX_COS_MAX_NUM_E2; | 
|  | break; | 
|  | case DCB_NUMTCS_ATTR_PFC: | 
|  | *num = CHIP_IS_E3B0(bp) ? DCBX_COS_MAX_NUM_E3B0 : | 
|  | DCBX_COS_MAX_NUM_E2; | 
|  | break; | 
|  | default: | 
|  | BNX2X_ERR("Non valid TC-ID\n"); | 
|  | rval = 1; | 
|  | break; | 
|  | } | 
|  | } else { | 
|  | DP(BNX2X_MSG_DCB, "DCB disabled\n"); | 
|  | rval = 1; | 
|  | } | 
|  |  | 
|  | return rval; | 
|  | } | 
|  |  | 
|  | static int bnx2x_dcbnl_set_numtcs(struct ether *netdev, int tcid, | 
|  | uint8_t num) | 
|  | { | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  | DP(BNX2X_MSG_DCB, "num tcs = %d; Not supported\n", num); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | static uint8_t bnx2x_dcbnl_get_pfc_state(struct ether *netdev) | 
|  | { | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  | DP(BNX2X_MSG_DCB, "state = %d\n", bp->dcbx_local_feat.pfc.enabled); | 
|  |  | 
|  | if (!bp->dcb_state) | 
|  | return 0; | 
|  |  | 
|  | return bp->dcbx_local_feat.pfc.enabled; | 
|  | } | 
|  |  | 
|  | static void bnx2x_dcbnl_set_pfc_state(struct ether *netdev, | 
|  | uint8_t state) | 
|  | { | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  | DP(BNX2X_MSG_DCB, "state = %s\n", state ? "on" : "off"); | 
|  |  | 
|  | if (!bnx2x_dcbnl_set_valid(bp)) | 
|  | return; | 
|  |  | 
|  | bp->dcbx_config_params.admin_pfc_tx_enable = | 
|  | bp->dcbx_config_params.admin_pfc_enable = (state ? 1 : 0); | 
|  | } | 
|  |  | 
|  | static void bnx2x_admin_app_set_ent( | 
|  | struct bnx2x_admin_priority_app_table *app_ent, | 
|  | uint8_t idtype, uint16_t idval, uint8_t up) | 
|  | { | 
|  | app_ent->valid = 1; | 
|  |  | 
|  | switch (idtype) { | 
|  | case DCB_APP_IDTYPE_ETHTYPE: | 
|  | app_ent->traffic_type = TRAFFIC_TYPE_ETH; | 
|  | break; | 
|  | case DCB_APP_IDTYPE_PORTNUM: | 
|  | app_ent->traffic_type = TRAFFIC_TYPE_PORT; | 
|  | break; | 
|  | default: | 
|  | break; /* never gets here */ | 
|  | } | 
|  | app_ent->app_id = idval; | 
|  | app_ent->priority = up; | 
|  | } | 
|  |  | 
|  | static bool bnx2x_admin_app_is_equal( | 
|  | struct bnx2x_admin_priority_app_table *app_ent, | 
|  | uint8_t idtype, uint16_t idval) | 
|  | { | 
|  | if (!app_ent->valid) | 
|  | return false; | 
|  |  | 
|  | switch (idtype) { | 
|  | case DCB_APP_IDTYPE_ETHTYPE: | 
|  | if (app_ent->traffic_type != TRAFFIC_TYPE_ETH) | 
|  | return false; | 
|  | break; | 
|  | case DCB_APP_IDTYPE_PORTNUM: | 
|  | if (app_ent->traffic_type != TRAFFIC_TYPE_PORT) | 
|  | return false; | 
|  | break; | 
|  | default: | 
|  | return false; | 
|  | } | 
|  | if (app_ent->app_id != idval) | 
|  | return false; | 
|  |  | 
|  | return true; | 
|  | } | 
|  |  | 
|  | static int bnx2x_set_admin_app_up(struct bnx2x *bp, uint8_t idtype, | 
|  | uint16_t idval, uint8_t up) | 
|  | { | 
|  | int i, ff; | 
|  |  | 
|  | /* iterate over the app entries looking for idtype and idval */ | 
|  | for (i = 0, ff = -1; i < DCBX_CONFIG_MAX_APP_PROTOCOL; i++) { | 
|  | struct bnx2x_admin_priority_app_table *app_ent = | 
|  | &bp->dcbx_config_params.admin_priority_app_table[i]; | 
|  | if (bnx2x_admin_app_is_equal(app_ent, idtype, idval)) | 
|  | break; | 
|  |  | 
|  | if (ff < 0 && !app_ent->valid) | 
|  | ff = i; | 
|  | } | 
|  | if (i < DCBX_CONFIG_MAX_APP_PROTOCOL) | 
|  | /* if found overwrite up */ | 
|  | bp->dcbx_config_params. | 
|  | admin_priority_app_table[i].priority = up; | 
|  | else if (ff >= 0) | 
|  | /* not found use first-free */ | 
|  | bnx2x_admin_app_set_ent( | 
|  | &bp->dcbx_config_params.admin_priority_app_table[ff], | 
|  | idtype, idval, up); | 
|  | else { | 
|  | /* app table is full */ | 
|  | BNX2X_ERR("Application table is too large\n"); | 
|  | return -EBUSY; | 
|  | } | 
|  |  | 
|  | /* up configured, if not 0 make sure feature is enabled */ | 
|  | if (up) | 
|  | bp->dcbx_config_params.admin_application_priority_tx_enable = 1; | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int bnx2x_dcbnl_set_app_up(struct ether *netdev, uint8_t idtype, | 
|  | uint16_t idval, uint8_t up) | 
|  | { | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  |  | 
|  | DP(BNX2X_MSG_DCB, "app_type %d, app_id %x, prio bitmap %d\n", | 
|  | idtype, idval, up); | 
|  |  | 
|  | if (!bnx2x_dcbnl_set_valid(bp)) { | 
|  | DP(BNX2X_MSG_DCB, "dcbnl call not valid\n"); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | /* verify idtype */ | 
|  | switch (idtype) { | 
|  | case DCB_APP_IDTYPE_ETHTYPE: | 
|  | case DCB_APP_IDTYPE_PORTNUM: | 
|  | break; | 
|  | default: | 
|  | DP(BNX2X_MSG_DCB, "Wrong ID type\n"); | 
|  | return -EINVAL; | 
|  | } | 
|  | return bnx2x_set_admin_app_up(bp, idtype, idval, up); | 
|  | } | 
|  |  | 
|  | static uint8_t bnx2x_dcbnl_get_dcbx(struct ether *netdev) | 
|  | { | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  | uint8_t state; | 
|  |  | 
|  | state = DCB_CAP_DCBX_LLD_MANAGED | DCB_CAP_DCBX_VER_CEE; | 
|  |  | 
|  | if (bp->dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_OFF) | 
|  | state |= DCB_CAP_DCBX_STATIC; | 
|  |  | 
|  | return state; | 
|  | } | 
|  |  | 
|  | static uint8_t bnx2x_dcbnl_set_dcbx(struct ether *netdev, uint8_t state) | 
|  | { | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  | DP(BNX2X_MSG_DCB, "state = %02x\n", state); | 
|  |  | 
|  | /* set dcbx mode */ | 
|  |  | 
|  | if ((state & BNX2X_DCBX_CAPS) != state) { | 
|  | BNX2X_ERR("Requested DCBX mode %x is beyond advertised capabilities\n", | 
|  | state); | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | if (bp->dcb_state != BNX2X_DCB_STATE_ON) { | 
|  | BNX2X_ERR("DCB turned off, DCBX configuration is invalid\n"); | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | if (state & DCB_CAP_DCBX_STATIC) | 
|  | bp->dcbx_enabled = BNX2X_DCBX_ENABLED_ON_NEG_OFF; | 
|  | else | 
|  | bp->dcbx_enabled = BNX2X_DCBX_ENABLED_ON_NEG_ON; | 
|  |  | 
|  | bp->dcbx_mode_uset = true; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static uint8_t bnx2x_dcbnl_get_featcfg(struct ether *netdev, int featid, | 
|  | uint8_t *flags) | 
|  | { | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  | uint8_t rval = 0; | 
|  |  | 
|  | DP(BNX2X_MSG_DCB, "featid %d\n", featid); | 
|  |  | 
|  | if (bp->dcb_state) { | 
|  | *flags = 0; | 
|  | switch (featid) { | 
|  | case DCB_FEATCFG_ATTR_PG: | 
|  | if (bp->dcbx_local_feat.ets.enabled) | 
|  | *flags |= DCB_FEATCFG_ENABLE; | 
|  | if (bp->dcbx_error & (DCBX_LOCAL_ETS_ERROR | | 
|  | DCBX_REMOTE_MIB_ERROR)) | 
|  | *flags |= DCB_FEATCFG_ERROR; | 
|  | break; | 
|  | case DCB_FEATCFG_ATTR_PFC: | 
|  | if (bp->dcbx_local_feat.pfc.enabled) | 
|  | *flags |= DCB_FEATCFG_ENABLE; | 
|  | if (bp->dcbx_error & (DCBX_LOCAL_PFC_ERROR | | 
|  | DCBX_LOCAL_PFC_MISMATCH | | 
|  | DCBX_REMOTE_MIB_ERROR)) | 
|  | *flags |= DCB_FEATCFG_ERROR; | 
|  | break; | 
|  | case DCB_FEATCFG_ATTR_APP: | 
|  | if (bp->dcbx_local_feat.app.enabled) | 
|  | *flags |= DCB_FEATCFG_ENABLE; | 
|  | if (bp->dcbx_error & (DCBX_LOCAL_APP_ERROR | | 
|  | DCBX_LOCAL_APP_MISMATCH | | 
|  | DCBX_REMOTE_MIB_ERROR)) | 
|  | *flags |= DCB_FEATCFG_ERROR; | 
|  | break; | 
|  | default: | 
|  | BNX2X_ERR("Non valid feature-ID\n"); | 
|  | rval = 1; | 
|  | break; | 
|  | } | 
|  | } else { | 
|  | DP(BNX2X_MSG_DCB, "DCB disabled\n"); | 
|  | rval = 1; | 
|  | } | 
|  |  | 
|  | return rval; | 
|  | } | 
|  |  | 
|  | static uint8_t bnx2x_dcbnl_set_featcfg(struct ether *netdev, int featid, | 
|  | uint8_t flags) | 
|  | { | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  | uint8_t rval = 0; | 
|  |  | 
|  | DP(BNX2X_MSG_DCB, "featid = %d flags = %02x\n", featid, flags); | 
|  |  | 
|  | /* ignore the 'advertise' flag */ | 
|  | if (bnx2x_dcbnl_set_valid(bp)) { | 
|  | switch (featid) { | 
|  | case DCB_FEATCFG_ATTR_PG: | 
|  | bp->dcbx_config_params.admin_ets_enable = | 
|  | flags & DCB_FEATCFG_ENABLE ? 1 : 0; | 
|  | bp->dcbx_config_params.admin_ets_willing = | 
|  | flags & DCB_FEATCFG_WILLING ? 1 : 0; | 
|  | break; | 
|  | case DCB_FEATCFG_ATTR_PFC: | 
|  | bp->dcbx_config_params.admin_pfc_enable = | 
|  | flags & DCB_FEATCFG_ENABLE ? 1 : 0; | 
|  | bp->dcbx_config_params.admin_pfc_willing = | 
|  | flags & DCB_FEATCFG_WILLING ? 1 : 0; | 
|  | break; | 
|  | case DCB_FEATCFG_ATTR_APP: | 
|  | /* ignore enable, always enabled */ | 
|  | bp->dcbx_config_params.admin_app_priority_willing = | 
|  | flags & DCB_FEATCFG_WILLING ? 1 : 0; | 
|  | break; | 
|  | default: | 
|  | BNX2X_ERR("Non valid feature-ID\n"); | 
|  | rval = 1; | 
|  | break; | 
|  | } | 
|  | } else { | 
|  | DP(BNX2X_MSG_DCB, "dcbnl call not valid\n"); | 
|  | rval = 1; | 
|  | } | 
|  |  | 
|  | return rval; | 
|  | } | 
|  |  | 
|  | static int bnx2x_peer_appinfo(struct ether *netdev, | 
|  | struct dcb_peer_app_info *info, | 
|  | uint16_t* app_count) | 
|  | { | 
|  | int i; | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  |  | 
|  | DP(BNX2X_MSG_DCB, "APP-INFO\n"); | 
|  |  | 
|  | info->willing = (bp->dcbx_remote_flags & DCBX_APP_REM_WILLING) ?: 0; | 
|  | info->error = (bp->dcbx_remote_flags & DCBX_APP_RX_ERROR) ?: 0; | 
|  | *app_count = 0; | 
|  |  | 
|  | for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) | 
|  | if (bp->dcbx_remote_feat.app.app_pri_tbl[i].appBitfield & | 
|  | DCBX_APP_ENTRY_VALID) | 
|  | (*app_count)++; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int bnx2x_peer_apptable(struct ether *netdev, | 
|  | struct dcb_app *table) | 
|  | { | 
|  | int i, j; | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  |  | 
|  | DP(BNX2X_MSG_DCB, "APP-TABLE\n"); | 
|  |  | 
|  | for (i = 0, j = 0; i < DCBX_MAX_APP_PROTOCOL; i++) { | 
|  | struct dcbx_app_priority_entry *ent = | 
|  | &bp->dcbx_remote_feat.app.app_pri_tbl[i]; | 
|  |  | 
|  | if (ent->appBitfield & DCBX_APP_ENTRY_VALID) { | 
|  | table[j].selector = bnx2x_dcbx_dcbnl_app_idtype(ent); | 
|  | table[j].priority = bnx2x_dcbx_dcbnl_app_up(ent); | 
|  | table[j++].protocol = ent->app_id; | 
|  | } | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int bnx2x_cee_peer_getpg(struct ether *netdev, struct cee_pg *pg) | 
|  | { | 
|  | int i; | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  |  | 
|  | pg->willing = (bp->dcbx_remote_flags & DCBX_ETS_REM_WILLING) ?: 0; | 
|  |  | 
|  | for (i = 0; i < CEE_DCBX_MAX_PGS; i++) { | 
|  | pg->pg_bw[i] = | 
|  | DCBX_PG_BW_GET(bp->dcbx_remote_feat.ets.pg_bw_tbl, i); | 
|  | pg->prio_pg[i] = | 
|  | DCBX_PRI_PG_GET(bp->dcbx_remote_feat.ets.pri_pg_tbl, i); | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int bnx2x_cee_peer_getpfc(struct ether *netdev, | 
|  | struct cee_pfc *pfc) | 
|  | { | 
|  | struct bnx2x *bp = netdev_priv(netdev); | 
|  | pfc->tcs_supported = bp->dcbx_remote_feat.pfc.pfc_caps; | 
|  | pfc->pfc_en = bp->dcbx_remote_feat.pfc.pri_en_bitmap; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | const struct dcbnl_rtnl_ops bnx2x_dcbnl_ops = { | 
|  | .getstate		= bnx2x_dcbnl_get_state, | 
|  | .setstate		= bnx2x_dcbnl_set_state, | 
|  | .getpermhwaddr		= bnx2x_dcbnl_get_perm_hw_addr, | 
|  | .setpgtccfgtx		= bnx2x_dcbnl_set_pg_tccfg_tx, | 
|  | .setpgbwgcfgtx		= bnx2x_dcbnl_set_pg_bwgcfg_tx, | 
|  | .setpgtccfgrx		= bnx2x_dcbnl_set_pg_tccfg_rx, | 
|  | .setpgbwgcfgrx		= bnx2x_dcbnl_set_pg_bwgcfg_rx, | 
|  | .getpgtccfgtx		= bnx2x_dcbnl_get_pg_tccfg_tx, | 
|  | .getpgbwgcfgtx		= bnx2x_dcbnl_get_pg_bwgcfg_tx, | 
|  | .getpgtccfgrx		= bnx2x_dcbnl_get_pg_tccfg_rx, | 
|  | .getpgbwgcfgrx		= bnx2x_dcbnl_get_pg_bwgcfg_rx, | 
|  | .setpfccfg		= bnx2x_dcbnl_set_pfc_cfg, | 
|  | .getpfccfg		= bnx2x_dcbnl_get_pfc_cfg, | 
|  | .setall			= bnx2x_dcbnl_set_all, | 
|  | .getcap			= bnx2x_dcbnl_get_cap, | 
|  | .getnumtcs		= bnx2x_dcbnl_get_numtcs, | 
|  | .setnumtcs		= bnx2x_dcbnl_set_numtcs, | 
|  | .getpfcstate		= bnx2x_dcbnl_get_pfc_state, | 
|  | .setpfcstate		= bnx2x_dcbnl_set_pfc_state, | 
|  | .setapp			= bnx2x_dcbnl_set_app_up, | 
|  | .getdcbx		= bnx2x_dcbnl_get_dcbx, | 
|  | .setdcbx		= bnx2x_dcbnl_set_dcbx, | 
|  | .getfeatcfg		= bnx2x_dcbnl_get_featcfg, | 
|  | .setfeatcfg		= bnx2x_dcbnl_set_featcfg, | 
|  | .peer_getappinfo	= bnx2x_peer_appinfo, | 
|  | .peer_getapptable	= bnx2x_peer_apptable, | 
|  | .cee_peer_getpg		= bnx2x_cee_peer_getpg, | 
|  | .cee_peer_getpfc	= bnx2x_cee_peer_getpfc, | 
|  | }; | 
|  |  | 
|  | #endif /* BCM_DCBNL */ |