diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c | 133 |
1 files changed, 75 insertions, 58 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c index 10bc093d2ca..51a952c51cb 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c @@ -1,6 +1,6 @@ /* bnx2x_dcb.c: Broadcom Everest network driver. * - * Copyright 2009-2012 Broadcom Corporation + * 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 @@ -12,7 +12,7 @@ * license other than the GPL, without Broadcom's express prior written * consent. * - * Maintained by: Eilon Greenstein <eilong@broadcom.com> + * Maintained by: Ariel Elior <ariel.elior@qlogic.com> * Written by: Dmitry Kravkov * */ @@ -30,10 +30,8 @@ #include "bnx2x_dcb.h" /* forward declarations of dcbx related functions */ -static int bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp); static void bnx2x_pfc_set_pfc(struct bnx2x *bp); static void bnx2x_dcbx_update_ets_params(struct bnx2x *bp); -static int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp); static void bnx2x_dcbx_get_ets_pri_pg_tbl(struct bnx2x *bp, u32 *set_configuration_ets_pg, u32 *pri_pg_tbl); @@ -253,7 +251,6 @@ static void bnx2x_dcbx_get_ets_feature(struct bnx2x *bp, 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"); @@ -298,7 +295,6 @@ static void bnx2x_dcbx_get_ets_feature(struct bnx2x *bp, static void bnx2x_dcbx_get_pfc_feature(struct bnx2x *bp, struct dcbx_pfc_feature *pfc, u32 error) { - if (GET_FLAGS(error, DCBX_LOCAL_PFC_ERROR)) DP(BNX2X_MSG_DCB, "DCBX_LOCAL_PFC_ERROR\n"); @@ -367,7 +363,6 @@ static int bnx2x_dcbx_read_mib(struct bnx2x *bp, 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); @@ -416,6 +411,7 @@ 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)) /* @@ -427,30 +423,52 @@ static void bnx2x_pfc_set_pfc(struct bnx2x *bp) bnx2x_pfc_clear(bp); } -static int bnx2x_dcbx_stop_hw_tx(struct bnx2x *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"); - return bnx2x_func_state_change(bp, &func_params); + + rc = bnx2x_func_state_change(bp, &func_params); + if (rc) { + BNX2X_ERR("Unable to hold traffic for HW configuration\n"); + bnx2x_panic(); + } + + return rc; } -static int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp) +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"); - return bnx2x_func_state_change(bp, &func_params); + + 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) @@ -558,6 +576,7 @@ 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 || @@ -589,7 +608,7 @@ static int bnx2x_dcbx_read_shmem_remote_mib(struct bnx2x *bp) DCBX_READ_REMOTE_MIB); if (rc) { - BNX2X_ERR("Faild to read remote mib from FW\n"); + BNX2X_ERR("Failed to read remote mib from FW\n"); return rc; } @@ -617,7 +636,7 @@ static int bnx2x_dcbx_read_shmem_neg_results(struct bnx2x *bp) DCBX_READ_LOCAL_MIB); if (rc) { - BNX2X_ERR("Faild to read local mib from FW\n"); + BNX2X_ERR("Failed to read local mib from FW\n"); return rc; } @@ -627,7 +646,6 @@ static int bnx2x_dcbx_read_shmem_neg_results(struct bnx2x *bp) return 0; } - #ifdef BCM_DCBNL static inline u8 bnx2x_dcbx_dcbnl_app_up(struct dcbx_app_priority_entry *ent) @@ -689,11 +707,10 @@ static inline void bnx2x_dcbx_update_tc_mapping(struct bnx2x *bp) } /* setup tc must be called under rtnl lock, but we can't take it here - * as we are handling an attetntion on a work queue which must be + * as we are handling an attention on a work queue which must be * flushed at some rtnl-locked contexts (e.g. if down) */ - if (!test_and_set_bit(BNX2X_SP_RTNL_SETUP_TC, &bp->sp_rtnl_state)) - schedule_delayed_work(&bp->sp_rtnl_task, 0); + bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_SETUP_TC, 0); } void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state) @@ -709,7 +726,7 @@ void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state) */ bnx2x_dcbnl_update_applist(bp, true); - /* Read rmeote mib if dcbx is in the FW */ + /* Read remote mib if dcbx is in the FW */ if (bnx2x_dcbx_read_shmem_remote_mib(bp)) return; #endif @@ -740,14 +757,13 @@ void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state) bnx2x_dcbx_update_tc_mapping(bp); /* - * allow other funtions to update their netdevices + * allow other functions to update their netdevices * accordingly */ if (IS_MF(bp)) bnx2x_link_sync_notify(bp); - bnx2x_dcbx_stop_hw_tx(bp); - + bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_TX_STOP, 0); return; } case BNX2X_DCBX_STATE_TX_PAUSED: @@ -755,8 +771,9 @@ void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state) bnx2x_pfc_set_pfc(bp); bnx2x_dcbx_update_ets_params(bp); - bnx2x_dcbx_resume_hw_tx(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"); @@ -862,7 +879,7 @@ static void bnx2x_dcbx_admin_mib_updated_params(struct bnx2x *bp, i, DCBX_PRI_PG_GET(af->ets.pri_pg_tbl, i)); } - /*For IEEE admin_recommendation_bw_precentage + /*For IEEE admin_recommendation_bw_percentage *For IEEE admin_recommendation_ets_pg */ af->pfc.pri_en_bitmap = (u8)dp->admin_pfc_bitmap; for (i = 0; i < DCBX_CONFIG_MAX_APP_PROTOCOL; i++) { @@ -894,13 +911,11 @@ static void bnx2x_dcbx_admin_mib_updated_params(struct bnx2x *bp, } af->app.default_pri = (u8)dp->admin_default_priority; - } /* Write the data. */ bnx2x_write_data(bp, (u32 *)&admin_mib, offset, sizeof(struct lldp_admin_mib)); - } void bnx2x_dcbx_set_state(struct bnx2x *bp, bool dcb_on, u32 dcbx_enabled) @@ -1074,7 +1089,7 @@ static void bnx2x_dcbx_get_num_pg_traf_type(struct bnx2x *bp, bool pg_found = false; u32 i, traf_type, add_traf_type, add_pg; u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; - struct pg_entry_help_data *data = help_data->data; /*shotcut*/ + struct pg_entry_help_data *data = help_data->data; /*shortcut*/ /* Set to invalid */ for (i = 0; i < LLFC_DRIVER_TRAFFIC_TYPE_MAX; i++) @@ -1170,7 +1185,8 @@ static void bnx2x_dcbx_separate_pauseable_from_non(struct bnx2x *bp, DCBX_PG_BW_GET(ets->pg_bw_tbl, pg_entry)); else /* If we join a group and one is strict - * than the bw rulls */ + * than the bw rules + */ cos_data->data[entry].strict = BNX2X_DCBX_STRICT_COS_HIGHEST; } @@ -1179,7 +1195,6 @@ static void bnx2x_dcbx_separate_pauseable_from_non(struct bnx2x *bp, 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 @@ -1282,7 +1297,7 @@ static void bnx2x_dcbx_2cos_limit_cee_single_pg_to_cos_params(struct bnx2x *bp, } else { /* If there are only pauseable priorities or * only non-pauseable,* the lower priorities go - * to the first queue and the higherpriorities go + * to the first queue and the higher priorities go * to the second queue. */ cos_data->data[0].pausable = @@ -1482,7 +1497,7 @@ static void bnx2x_dcbx_2cos_limit_cee_three_pg_to_cos_params( * 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 secoend queue + * if one is BW limited it will go to the second queue * otherwise the last priority will get it */ @@ -1502,7 +1517,8 @@ static void bnx2x_dcbx_2cos_limit_cee_three_pg_to_cos_params( false == b_found_strict) /* last entry will be handled separately * If no priority is strict than last - * enty goes to last queue.*/ + * entry goes to last queue. + */ entry = 1; cos_data->data[entry].pri_join_mask |= pri_tested; @@ -1514,7 +1530,8 @@ static void bnx2x_dcbx_2cos_limit_cee_three_pg_to_cos_params( 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 rulls */ + * than the bw rules + */ cos_data->data[1].strict = BNX2X_DCBX_STRICT_COS_HIGHEST; } @@ -1522,7 +1539,6 @@ static void bnx2x_dcbx_2cos_limit_cee_three_pg_to_cos_params( } } - static void bnx2x_dcbx_2cos_limit_cee_fill_cos_params(struct bnx2x *bp, struct pg_help_data *help_data, struct dcbx_ets_feature *ets, @@ -1531,7 +1547,6 @@ static void bnx2x_dcbx_2cos_limit_cee_fill_cos_params(struct bnx2x *bp, u32 pri_join_mask, u8 num_of_dif_pri) { - /* default E2 settings */ cos_data->num_of_cos = DCBX_COS_MAX_NUM_E2; @@ -1627,7 +1642,6 @@ static u8 bnx2x_dcbx_cee_fill_strict_pri(struct bnx2x *bp, u8 num_spread_of_entries, u8 strict_app_pris) { - if (bnx2x_dcbx_spread_strict_pri(bp, cos_data, entry, num_spread_of_entries, strict_app_pris)) { @@ -1846,7 +1860,7 @@ static void bnx2x_dcbx_fw_struct(struct bnx2x *bp, void bnx2x_dcbx_pmf_update(struct bnx2x *bp) { - /* if we need to syncronize DCBX result from prev PMF + /* 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) && @@ -1874,7 +1888,6 @@ void bnx2x_dcbx_pmf_update(struct bnx2x *bp) * dcbx negotiation. */ bnx2x_dcbx_update_tc_mapping(bp); - } } @@ -1904,11 +1917,13 @@ static u8 bnx2x_dcbnl_set_state(struct net_device *netdev, u8 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; } @@ -1939,14 +1954,14 @@ static void bnx2x_dcbnl_set_pg_tccfg_tx(struct net_device *netdev, int prio, return; /** - * bw_pct ingnored - band-width percentage devision between user + * bw_pct ignored - band-width percentage devision between user * priorities within the same group is not * standard and hence not supported * - * prio_type igonred - priority levels within the same group are not + * 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 - * prioirty traffic (on the port level). + * priority traffic (on the port level). * * up_map ignored */ @@ -1991,14 +2006,14 @@ static void bnx2x_dcbnl_get_pg_tccfg_tx(struct net_device *netdev, int prio, DP(BNX2X_MSG_DCB, "prio = %d\n", prio); /** - * bw_pct ingnored - band-width percentage devision between user + * bw_pct ignored - band-width percentage devision between user * priorities within the same group is not * standard and hence not supported * - * prio_type igonred - priority levels within the same group are not + * 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 - * prioirty traffic (on the port level). + * priority traffic (on the port level). * * up_map ignored */ @@ -2052,7 +2067,6 @@ static void bnx2x_dcbnl_set_pfc_cfg(struct net_device *netdev, int prio, 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; @@ -2136,12 +2150,12 @@ static u8 bnx2x_dcbnl_get_cap(struct net_device *netdev, int capid, u8 *cap) break; default: BNX2X_ERR("Non valid capability ID\n"); - rval = -EINVAL; + rval = 1; break; } } else { DP(BNX2X_MSG_DCB, "DCB disabled\n"); - rval = -EINVAL; + rval = 1; } DP(BNX2X_MSG_DCB, "capid %d:%x\n", capid, *cap); @@ -2167,12 +2181,12 @@ static int bnx2x_dcbnl_get_numtcs(struct net_device *netdev, int tcid, u8 *num) break; default: BNX2X_ERR("Non valid TC-ID\n"); - rval = -EINVAL; + rval = 1; break; } } else { DP(BNX2X_MSG_DCB, "DCB disabled\n"); - rval = -EINVAL; + rval = 1; } return rval; @@ -2185,7 +2199,7 @@ static int bnx2x_dcbnl_set_numtcs(struct net_device *netdev, int tcid, u8 num) return -EINVAL; } -static u8 bnx2x_dcbnl_get_pfc_state(struct net_device *netdev) +static u8 bnx2x_dcbnl_get_pfc_state(struct net_device *netdev) { struct bnx2x *bp = netdev_priv(netdev); DP(BNX2X_MSG_DCB, "state = %d\n", bp->dcbx_local_feat.pfc.enabled); @@ -2368,31 +2382,34 @@ static u8 bnx2x_dcbnl_get_featcfg(struct net_device *netdev, int 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) + 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_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_LOCAL_APP_MISMATCH | + DCBX_REMOTE_MIB_ERROR)) *flags |= DCB_FEATCFG_ERROR; break; default: - BNX2X_ERR("Non valid featrue-ID\n"); - rval = -EINVAL; + BNX2X_ERR("Non valid feature-ID\n"); + rval = 1; break; } } else { DP(BNX2X_MSG_DCB, "DCB disabled\n"); - rval = -EINVAL; + rval = 1; } return rval; @@ -2427,13 +2444,13 @@ static u8 bnx2x_dcbnl_set_featcfg(struct net_device *netdev, int featid, flags & DCB_FEATCFG_WILLING ? 1 : 0; break; default: - BNX2X_ERR("Non valid featrue-ID\n"); - rval = -EINVAL; + BNX2X_ERR("Non valid feature-ID\n"); + rval = 1; break; } } else { DP(BNX2X_MSG_DCB, "dcbnl call not valid\n"); - rval = -EINVAL; + rval = 1; } return rval; |