From 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Tue, 15 Dec 2015 14:52:16 -0300 Subject: Linux-libre 4.3.2-gnu --- drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c | 337 +++++++++++++++++++++++-- 1 file changed, 310 insertions(+), 27 deletions(-) (limited to 'drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c') diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c index 4ad415ac8..ff702a707 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c @@ -1,15 +1,17 @@ -/* bnx2x_sp.c: Broadcom Everest network driver. +/* bnx2x_sp.c: Qlogic Everest network driver. * - * Copyright (c) 2011-2013 Broadcom Corporation + * Copyright 2011-2013 Broadcom Corporation + * Copyright (c) 2014 QLogic Corporation + * All rights reserved * - * Unless you and Broadcom execute a separate written software license + * Unless you and Qlogic 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"). + * at http://www.gnu.org/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 + * software in any way with any other Qlogic software provided under a + * license other than the GPL, without Qlogic's express prior written * consent. * * Maintained by: Ariel Elior @@ -355,6 +357,23 @@ static bool bnx2x_get_credit_vlan(struct bnx2x_vlan_mac_obj *o) return vp->get(vp, 1); } + +static bool bnx2x_get_credit_vlan_mac(struct bnx2x_vlan_mac_obj *o) +{ + struct bnx2x_credit_pool_obj *mp = o->macs_pool; + struct bnx2x_credit_pool_obj *vp = o->vlans_pool; + + if (!mp->get(mp, 1)) + return false; + + if (!vp->get(vp, 1)) { + mp->put(mp, 1); + return false; + } + + return true; +} + static bool bnx2x_put_cam_offset_mac(struct bnx2x_vlan_mac_obj *o, int offset) { struct bnx2x_credit_pool_obj *mp = o->macs_pool; @@ -383,6 +402,22 @@ static bool bnx2x_put_credit_vlan(struct bnx2x_vlan_mac_obj *o) return vp->put(vp, 1); } +static bool bnx2x_put_credit_vlan_mac(struct bnx2x_vlan_mac_obj *o) +{ + struct bnx2x_credit_pool_obj *mp = o->macs_pool; + struct bnx2x_credit_pool_obj *vp = o->vlans_pool; + + if (!mp->put(mp, 1)) + return false; + + if (!vp->put(vp, 1)) { + mp->get(mp, 1); + return false; + } + + return true; +} + /** * __bnx2x_vlan_mac_h_write_trylock - try getting the vlan mac writer lock * @@ -636,6 +671,26 @@ static int bnx2x_check_vlan_add(struct bnx2x *bp, return 0; } +static int bnx2x_check_vlan_mac_add(struct bnx2x *bp, + struct bnx2x_vlan_mac_obj *o, + union bnx2x_classification_ramrod_data *data) +{ + struct bnx2x_vlan_mac_registry_elem *pos; + + DP(BNX2X_MSG_SP, "Checking VLAN_MAC (%pM, %d) for ADD command\n", + data->vlan_mac.mac, data->vlan_mac.vlan); + + list_for_each_entry(pos, &o->head, link) + if ((data->vlan_mac.vlan == pos->u.vlan_mac.vlan) && + (!memcmp(data->vlan_mac.mac, pos->u.vlan_mac.mac, + ETH_ALEN)) && + (data->vlan_mac.is_inner_mac == + pos->u.vlan_mac.is_inner_mac)) + return -EEXIST; + + return 0; +} + /* check_del() callbacks */ static struct bnx2x_vlan_mac_registry_elem * bnx2x_check_mac_del(struct bnx2x *bp, @@ -670,6 +725,27 @@ static struct bnx2x_vlan_mac_registry_elem * return NULL; } +static struct bnx2x_vlan_mac_registry_elem * + bnx2x_check_vlan_mac_del(struct bnx2x *bp, + struct bnx2x_vlan_mac_obj *o, + union bnx2x_classification_ramrod_data *data) +{ + struct bnx2x_vlan_mac_registry_elem *pos; + + DP(BNX2X_MSG_SP, "Checking VLAN_MAC (%pM, %d) for DEL command\n", + data->vlan_mac.mac, data->vlan_mac.vlan); + + list_for_each_entry(pos, &o->head, link) + if ((data->vlan_mac.vlan == pos->u.vlan_mac.vlan) && + (!memcmp(data->vlan_mac.mac, pos->u.vlan_mac.mac, + ETH_ALEN)) && + (data->vlan_mac.is_inner_mac == + pos->u.vlan_mac.is_inner_mac)) + return pos; + + return NULL; +} + /* check_move() callback */ static bool bnx2x_check_move(struct bnx2x *bp, struct bnx2x_vlan_mac_obj *src_o, @@ -1036,6 +1112,96 @@ static void bnx2x_set_one_vlan_e2(struct bnx2x *bp, rule_cnt); } +static void bnx2x_set_one_vlan_mac_e2(struct bnx2x *bp, + struct bnx2x_vlan_mac_obj *o, + struct bnx2x_exeq_elem *elem, + int rule_idx, int cam_offset) +{ + struct bnx2x_raw_obj *raw = &o->raw; + struct eth_classify_rules_ramrod_data *data = + (struct eth_classify_rules_ramrod_data *)(raw->rdata); + int rule_cnt = rule_idx + 1; + union eth_classify_rule_cmd *rule_entry = &data->rules[rule_idx]; + enum bnx2x_vlan_mac_cmd cmd = elem->cmd_data.vlan_mac.cmd; + bool add = (cmd == BNX2X_VLAN_MAC_ADD) ? true : false; + u16 vlan = elem->cmd_data.vlan_mac.u.vlan_mac.vlan; + u8 *mac = elem->cmd_data.vlan_mac.u.vlan_mac.mac; + u16 inner_mac; + + /* Reset the ramrod data buffer for the first rule */ + if (rule_idx == 0) + memset(data, 0, sizeof(*data)); + + /* Set a rule header */ + bnx2x_vlan_mac_set_cmd_hdr_e2(bp, o, add, CLASSIFY_RULE_OPCODE_PAIR, + &rule_entry->pair.header); + + /* Set VLAN and MAC themselves */ + rule_entry->pair.vlan = cpu_to_le16(vlan); + bnx2x_set_fw_mac_addr(&rule_entry->pair.mac_msb, + &rule_entry->pair.mac_mid, + &rule_entry->pair.mac_lsb, mac); + inner_mac = elem->cmd_data.vlan_mac.u.vlan_mac.is_inner_mac; + rule_entry->pair.inner_mac = cpu_to_le16(inner_mac); + /* MOVE: Add a rule that will add this MAC/VLAN to the target Queue */ + if (cmd == BNX2X_VLAN_MAC_MOVE) { + struct bnx2x_vlan_mac_obj *target_obj; + + rule_entry++; + rule_cnt++; + + /* Setup ramrod data */ + target_obj = elem->cmd_data.vlan_mac.target_obj; + bnx2x_vlan_mac_set_cmd_hdr_e2(bp, target_obj, + true, CLASSIFY_RULE_OPCODE_PAIR, + &rule_entry->pair.header); + + /* Set a VLAN itself */ + rule_entry->pair.vlan = cpu_to_le16(vlan); + bnx2x_set_fw_mac_addr(&rule_entry->pair.mac_msb, + &rule_entry->pair.mac_mid, + &rule_entry->pair.mac_lsb, mac); + rule_entry->pair.inner_mac = cpu_to_le16(inner_mac); + } + + /* Set the ramrod data header */ + bnx2x_vlan_mac_set_rdata_hdr_e2(raw->cid, raw->state, &data->header, + rule_cnt); +} + +/** + * bnx2x_set_one_vlan_mac_e1h - + * + * @bp: device handle + * @o: bnx2x_vlan_mac_obj + * @elem: bnx2x_exeq_elem + * @rule_idx: rule_idx + * @cam_offset: cam_offset + */ +static void bnx2x_set_one_vlan_mac_e1h(struct bnx2x *bp, + struct bnx2x_vlan_mac_obj *o, + struct bnx2x_exeq_elem *elem, + int rule_idx, int cam_offset) +{ + struct bnx2x_raw_obj *raw = &o->raw; + struct mac_configuration_cmd *config = + (struct mac_configuration_cmd *)(raw->rdata); + /* 57710 and 57711 do not support MOVE command, + * so it's either ADD or DEL + */ + bool add = (elem->cmd_data.vlan_mac.cmd == BNX2X_VLAN_MAC_ADD) ? + true : false; + + /* Reset the ramrod data buffer */ + memset(config, 0, sizeof(*config)); + + bnx2x_vlan_mac_set_rdata_e1x(bp, o, BNX2X_FILTER_VLAN_MAC_PENDING, + cam_offset, add, + elem->cmd_data.vlan_mac.u.vlan_mac.mac, + elem->cmd_data.vlan_mac.u.vlan_mac.vlan, + ETH_VLAN_FILTER_CLASSIFY, config); +} + /** * bnx2x_vlan_mac_restore - reconfigure next MAC/VLAN/VLAN-MAC element * @@ -1135,6 +1301,25 @@ static struct bnx2x_exeq_elem *bnx2x_exeq_get_vlan( return NULL; } +static struct bnx2x_exeq_elem *bnx2x_exeq_get_vlan_mac( + struct bnx2x_exe_queue_obj *o, + struct bnx2x_exeq_elem *elem) +{ + struct bnx2x_exeq_elem *pos; + struct bnx2x_vlan_mac_ramrod_data *data = + &elem->cmd_data.vlan_mac.u.vlan_mac; + + /* Check pending for execution commands */ + list_for_each_entry(pos, &o->exe_queue, link) + if (!memcmp(&pos->cmd_data.vlan_mac.u.vlan_mac, data, + sizeof(*data)) && + (pos->cmd_data.vlan_mac.cmd == + elem->cmd_data.vlan_mac.cmd)) + return pos; + + return NULL; +} + /** * bnx2x_validate_vlan_mac_add - check if an ADD command can be executed * @@ -2042,6 +2227,68 @@ void bnx2x_init_vlan_obj(struct bnx2x *bp, } } +void bnx2x_init_vlan_mac_obj(struct bnx2x *bp, + struct bnx2x_vlan_mac_obj *vlan_mac_obj, + u8 cl_id, u32 cid, u8 func_id, void *rdata, + dma_addr_t rdata_mapping, int state, + unsigned long *pstate, bnx2x_obj_type type, + struct bnx2x_credit_pool_obj *macs_pool, + struct bnx2x_credit_pool_obj *vlans_pool) +{ + union bnx2x_qable_obj *qable_obj = + (union bnx2x_qable_obj *)vlan_mac_obj; + + bnx2x_init_vlan_mac_common(vlan_mac_obj, cl_id, cid, func_id, rdata, + rdata_mapping, state, pstate, type, + macs_pool, vlans_pool); + + /* CAM pool handling */ + vlan_mac_obj->get_credit = bnx2x_get_credit_vlan_mac; + vlan_mac_obj->put_credit = bnx2x_put_credit_vlan_mac; + /* CAM offset is relevant for 57710 and 57711 chips only which have a + * single CAM for both MACs and VLAN-MAC pairs. So the offset + * will be taken from MACs' pool object only. + */ + vlan_mac_obj->get_cam_offset = bnx2x_get_cam_offset_mac; + vlan_mac_obj->put_cam_offset = bnx2x_put_cam_offset_mac; + + if (CHIP_IS_E1(bp)) { + BNX2X_ERR("Do not support chips others than E2\n"); + BUG(); + } else if (CHIP_IS_E1H(bp)) { + vlan_mac_obj->set_one_rule = bnx2x_set_one_vlan_mac_e1h; + vlan_mac_obj->check_del = bnx2x_check_vlan_mac_del; + vlan_mac_obj->check_add = bnx2x_check_vlan_mac_add; + vlan_mac_obj->check_move = bnx2x_check_move_always_err; + vlan_mac_obj->ramrod_cmd = RAMROD_CMD_ID_ETH_SET_MAC; + + /* Exe Queue */ + bnx2x_exe_queue_init(bp, + &vlan_mac_obj->exe_queue, 1, qable_obj, + bnx2x_validate_vlan_mac, + bnx2x_remove_vlan_mac, + bnx2x_optimize_vlan_mac, + bnx2x_execute_vlan_mac, + bnx2x_exeq_get_vlan_mac); + } else { + vlan_mac_obj->set_one_rule = bnx2x_set_one_vlan_mac_e2; + vlan_mac_obj->check_del = bnx2x_check_vlan_mac_del; + vlan_mac_obj->check_add = bnx2x_check_vlan_mac_add; + vlan_mac_obj->check_move = bnx2x_check_move; + vlan_mac_obj->ramrod_cmd = + RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES; + + /* Exe Queue */ + bnx2x_exe_queue_init(bp, + &vlan_mac_obj->exe_queue, + CLASSIFY_RULES_COUNT, + qable_obj, bnx2x_validate_vlan_mac, + bnx2x_remove_vlan_mac, + bnx2x_optimize_vlan_mac, + bnx2x_execute_vlan_mac, + bnx2x_exeq_get_vlan_mac); + } +} /* RX_MODE verbs: DROP_ALL/ACCEPT_ALL/ACCEPT_ALL_MULTI/ACCEPT_ALL_VLAN/NORMAL */ static inline void __storm_memset_mac_filters(struct bnx2x *bp, struct tstorm_eth_mac_filter_config *mac_filters, @@ -3854,8 +4101,8 @@ static bool bnx2x_credit_pool_get_entry_always_true( * If credit is negative pool operations will always succeed (unlimited pool). * */ -static inline void bnx2x_init_credit_pool(struct bnx2x_credit_pool_obj *p, - int base, int credit) +void bnx2x_init_credit_pool(struct bnx2x_credit_pool_obj *p, + int base, int credit) { /* Zero the object first */ memset(p, 0, sizeof(*p)); @@ -3934,9 +4181,9 @@ void bnx2x_init_mac_credit_pool(struct bnx2x *bp, /* CAM credit is equaly divided between all active functions * on the PATH. */ - if ((func_num > 0)) { + if (func_num > 0) { if (!CHIP_REV_IS_SLOW(bp)) - cam_sz = (MAX_MAC_CREDIT_E2 / func_num); + cam_sz = PF_MAC_CREDIT_E2(bp, func_num); else cam_sz = BNX2X_CAM_SIZE_EMUL; @@ -3966,8 +4213,9 @@ void bnx2x_init_vlan_credit_pool(struct bnx2x *bp, * on the PATH. */ if (func_num > 0) { - int credit = MAX_VLAN_CREDIT_E2 / func_num; - bnx2x_init_credit_pool(p, func_id * credit, credit); + int credit = PF_VLAN_CREDIT_E2(bp, func_num); + + bnx2x_init_credit_pool(p, -1/*unused for E2*/, credit); } else /* this should never happen! Block VLAN operations. */ bnx2x_init_credit_pool(p, 0, 0); @@ -4060,13 +4308,27 @@ static int bnx2x_setup_rss(struct bnx2x *bp, if (test_bit(BNX2X_RSS_IPV6_UDP, &p->rss_flags)) caps |= ETH_RSS_UPDATE_RAMROD_DATA_IPV6_UDP_CAPABILITY; - if (test_bit(BNX2X_RSS_GRE_INNER_HDRS, &p->rss_flags)) - caps |= ETH_RSS_UPDATE_RAMROD_DATA_GRE_INNER_HDRS_CAPABILITY; + if (test_bit(BNX2X_RSS_IPV4_VXLAN, &p->rss_flags)) + caps |= ETH_RSS_UPDATE_RAMROD_DATA_IPV4_VXLAN_CAPABILITY; + + if (test_bit(BNX2X_RSS_IPV6_VXLAN, &p->rss_flags)) + caps |= ETH_RSS_UPDATE_RAMROD_DATA_IPV6_VXLAN_CAPABILITY; + + if (test_bit(BNX2X_RSS_TUNN_INNER_HDRS, &p->rss_flags)) + caps |= ETH_RSS_UPDATE_RAMROD_DATA_TUNN_INNER_HDRS_CAPABILITY; /* RSS keys */ if (test_bit(BNX2X_RSS_SET_SRCH, &p->rss_flags)) { - memcpy(&data->rss_key[0], &p->rss_key[0], - sizeof(data->rss_key)); + u8 *dst = (u8 *)(data->rss_key) + sizeof(data->rss_key); + const u8 *src = (const u8 *)p->rss_key; + int i; + + /* Apparently, bnx2x reads this array in reverse order + * We need to byte swap rss_key to comply with Toeplitz specs. + */ + for (i = 0; i < sizeof(data->rss_key); i++) + *--dst = *src++; + caps |= ETH_RSS_UPDATE_RAMROD_DATA_UPDATE_RSS_KEY; } @@ -5669,10 +5931,14 @@ static inline int bnx2x_func_send_start(struct bnx2x *bp, rdata->sd_vlan_tag = cpu_to_le16(start_params->sd_vlan_tag); rdata->path_id = BP_PATH(bp); rdata->network_cos_mode = start_params->network_cos_mode; - rdata->tunnel_mode = start_params->tunnel_mode; - rdata->gre_tunnel_type = start_params->gre_tunnel_type; - rdata->inner_gre_rss_en = start_params->inner_gre_rss_en; - rdata->vxlan_dst_port = cpu_to_le16(4789); + + rdata->vxlan_dst_port = cpu_to_le16(start_params->vxlan_dst_port); + rdata->geneve_dst_port = cpu_to_le16(start_params->geneve_dst_port); + rdata->inner_clss_l2gre = start_params->inner_clss_l2gre; + rdata->inner_clss_l2geneve = start_params->inner_clss_l2geneve; + rdata->inner_clss_vxlan = start_params->inner_clss_vxlan; + rdata->inner_rss = start_params->inner_rss; + rdata->sd_accept_mf_clss_fail = start_params->class_fail; if (start_params->class_fail_ethtype) { rdata->sd_accept_mf_clss_fail_match_ethtype = 1; @@ -5690,6 +5956,14 @@ static inline int bnx2x_func_send_start(struct bnx2x *bp, cpu_to_le16(0x8100); rdata->no_added_tags = start_params->no_added_tags; + + rdata->c2s_pri_tt_valid = start_params->c2s_pri_valid; + if (rdata->c2s_pri_tt_valid) { + memcpy(rdata->c2s_pri_trans_table.val, + start_params->c2s_pri, + MAX_VLAN_PRIORITIES); + rdata->c2s_pri_default = start_params->c2s_pri_default; + } /* No need for an explicit memory barrier here as long we would * need to ensure the ordering of writing to the SPQ element * and updating of the SPQ producer which involves a memory @@ -5750,15 +6024,22 @@ static inline int bnx2x_func_send_switch_update(struct bnx2x *bp, if (test_bit(BNX2X_F_UPDATE_TUNNEL_CFG_CHNG, &switch_update_params->changes)) { rdata->update_tunn_cfg_flg = 1; - if (test_bit(BNX2X_F_UPDATE_TUNNEL_CLSS_EN, + if (test_bit(BNX2X_F_UPDATE_TUNNEL_INNER_CLSS_L2GRE, + &switch_update_params->changes)) + rdata->inner_clss_l2gre = 1; + if (test_bit(BNX2X_F_UPDATE_TUNNEL_INNER_CLSS_VXLAN, + &switch_update_params->changes)) + rdata->inner_clss_vxlan = 1; + if (test_bit(BNX2X_F_UPDATE_TUNNEL_INNER_CLSS_L2GENEVE, &switch_update_params->changes)) - rdata->tunn_clss_en = 1; - if (test_bit(BNX2X_F_UPDATE_TUNNEL_INNER_GRE_RSS_EN, + rdata->inner_clss_l2geneve = 1; + if (test_bit(BNX2X_F_UPDATE_TUNNEL_INNER_RSS, &switch_update_params->changes)) - rdata->inner_gre_rss_en = 1; - rdata->tunnel_mode = switch_update_params->tunnel_mode; - rdata->gre_tunnel_type = switch_update_params->gre_tunnel_type; - rdata->vxlan_dst_port = cpu_to_le16(4789); + rdata->inner_rss = 1; + rdata->vxlan_dst_port = + cpu_to_le16(switch_update_params->vxlan_dst_port); + rdata->geneve_dst_port = + cpu_to_le16(switch_update_params->geneve_dst_port); } rdata->echo = SWITCH_UPDATE; @@ -5885,6 +6166,8 @@ static inline int bnx2x_func_send_tx_start(struct bnx2x *bp, rdata->traffic_type_to_priority_cos[i] = tx_start_params->traffic_type_to_priority_cos[i]; + for (i = 0; i < MAX_TRAFFIC_TYPES; i++) + rdata->dcb_outer_pri[i] = tx_start_params->dcb_outer_pri[i]; /* No need for an explicit memory barrier here as long as we * ensure the ordering of writing to the SPQ element * and updating of the SPQ producer which involves a memory -- cgit v1.2.3-54-g00ecf