| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Rasesh Mody | 17771 | 97.05% | 13 | 43.33% |
| Ivan Vecera | 512 | 2.80% | 11 | 36.67% |
| Fabian Frederick | 14 | 0.08% | 1 | 3.33% |
| Jingoo Han | 5 | 0.03% | 1 | 3.33% |
| Ben Hutchings | 4 | 0.02% | 1 | 3.33% |
| Thomas Gleixner | 2 | 0.01% | 1 | 3.33% |
| Gustavo A. R. Silva | 2 | 0.01% | 1 | 3.33% |
| Stephen Hemminger | 2 | 0.01% | 1 | 3.33% |
| Total | 18312 | 30 |
// SPDX-License-Identifier: GPL-2.0-only /* * Linux network driver for QLogic BR-series Converged Network Adapter. */ /* * Copyright (c) 2005-2014 Brocade Communications Systems, Inc. * Copyright (c) 2014-2015 QLogic Corporation * All rights reserved * www.qlogic.com */ #include "bna.h" #include "bfi.h" /* IB */ static void bna_ib_coalescing_timeo_set(struct bna_ib *ib, u8 coalescing_timeo) { ib->coalescing_timeo = coalescing_timeo; ib->door_bell.doorbell_ack = BNA_DOORBELL_IB_INT_ACK( (u32)ib->coalescing_timeo, 0); } /* RXF */ #define bna_rxf_vlan_cfg_soft_reset(rxf) \ do { \ (rxf)->vlan_pending_bitmask = (u8)BFI_VLAN_BMASK_ALL; \ (rxf)->vlan_strip_pending = true; \ } while (0) #define bna_rxf_rss_cfg_soft_reset(rxf) \ do { \ if ((rxf)->rss_status == BNA_STATUS_T_ENABLED) \ (rxf)->rss_pending = (BNA_RSS_F_RIT_PENDING | \ BNA_RSS_F_CFG_PENDING | \ BNA_RSS_F_STATUS_PENDING); \ } while (0) static int bna_rxf_cfg_apply(struct bna_rxf *rxf); static void bna_rxf_cfg_reset(struct bna_rxf *rxf); static int bna_rxf_ucast_cfg_apply(struct bna_rxf *rxf); static int bna_rxf_promisc_cfg_apply(struct bna_rxf *rxf); static int bna_rxf_allmulti_cfg_apply(struct bna_rxf *rxf); static int bna_rxf_vlan_strip_cfg_apply(struct bna_rxf *rxf); static int bna_rxf_ucast_cfg_reset(struct bna_rxf *rxf, enum bna_cleanup_type cleanup); static int bna_rxf_promisc_cfg_reset(struct bna_rxf *rxf, enum bna_cleanup_type cleanup); static int bna_rxf_allmulti_cfg_reset(struct bna_rxf *rxf, enum bna_cleanup_type cleanup); bfa_fsm_state_decl(bna_rxf, stopped, struct bna_rxf, enum bna_rxf_event); bfa_fsm_state_decl(bna_rxf, cfg_wait, struct bna_rxf, enum bna_rxf_event); bfa_fsm_state_decl(bna_rxf, started, struct bna_rxf, enum bna_rxf_event); bfa_fsm_state_decl(bna_rxf, last_resp_wait, struct bna_rxf, enum bna_rxf_event); static void bna_rxf_sm_stopped_entry(struct bna_rxf *rxf) { call_rxf_stop_cbfn(rxf); } static void bna_rxf_sm_stopped(struct bna_rxf *rxf, enum bna_rxf_event event) { switch (event) { case RXF_E_START: bfa_fsm_set_state(rxf, bna_rxf_sm_cfg_wait); break; case RXF_E_STOP: call_rxf_stop_cbfn(rxf); break; case RXF_E_FAIL: /* No-op */ break; case RXF_E_CONFIG: call_rxf_cam_fltr_cbfn(rxf); break; default: bfa_sm_fault(event); } } static void bna_rxf_sm_cfg_wait_entry(struct bna_rxf *rxf) { if (!bna_rxf_cfg_apply(rxf)) { /* No more pending config updates */ bfa_fsm_set_state(rxf, bna_rxf_sm_started); } } static void bna_rxf_sm_cfg_wait(struct bna_rxf *rxf, enum bna_rxf_event event) { switch (event) { case RXF_E_STOP: bfa_fsm_set_state(rxf, bna_rxf_sm_last_resp_wait); break; case RXF_E_FAIL: bna_rxf_cfg_reset(rxf); call_rxf_start_cbfn(rxf); call_rxf_cam_fltr_cbfn(rxf); bfa_fsm_set_state(rxf, bna_rxf_sm_stopped); break; case RXF_E_CONFIG: /* No-op */ break; case RXF_E_FW_RESP: if (!bna_rxf_cfg_apply(rxf)) { /* No more pending config updates */ bfa_fsm_set_state(rxf, bna_rxf_sm_started); } break; default: bfa_sm_fault(event); } } static void bna_rxf_sm_started_entry(struct bna_rxf *rxf) { call_rxf_start_cbfn(rxf); call_rxf_cam_fltr_cbfn(rxf); } static void bna_rxf_sm_started(struct bna_rxf *rxf, enum bna_rxf_event event) { switch (event) { case RXF_E_STOP: case RXF_E_FAIL: bna_rxf_cfg_reset(rxf); bfa_fsm_set_state(rxf, bna_rxf_sm_stopped); break; case RXF_E_CONFIG: bfa_fsm_set_state(rxf, bna_rxf_sm_cfg_wait); break; default: bfa_sm_fault(event); } } static void bna_rxf_sm_last_resp_wait_entry(struct bna_rxf *rxf) { } static void bna_rxf_sm_last_resp_wait(struct bna_rxf *rxf, enum bna_rxf_event event) { switch (event) { case RXF_E_FAIL: case RXF_E_FW_RESP: bna_rxf_cfg_reset(rxf); bfa_fsm_set_state(rxf, bna_rxf_sm_stopped); break; default: bfa_sm_fault(event); } } static void bna_bfi_ucast_req(struct bna_rxf *rxf, struct bna_mac *mac, enum bfi_enet_h2i_msgs req_type) { struct bfi_enet_ucast_req *req = &rxf->bfi_enet_cmd.ucast_req; bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, req_type, 0, rxf->rx->rid); req->mh.num_entries = htons( bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_ucast_req))); ether_addr_copy(req->mac_addr, mac->addr); bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL, sizeof(struct bfi_enet_ucast_req), &req->mh); bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd); } static void bna_bfi_mcast_add_req(struct bna_rxf *rxf, struct bna_mac *mac) { struct bfi_enet_mcast_add_req *req = &rxf->bfi_enet_cmd.mcast_add_req; bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, BFI_ENET_H2I_MAC_MCAST_ADD_REQ, 0, rxf->rx->rid); req->mh.num_entries = htons( bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_mcast_add_req))); ether_addr_copy(req->mac_addr, mac->addr); bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL, sizeof(struct bfi_enet_mcast_add_req), &req->mh); bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd); } static void bna_bfi_mcast_del_req(struct bna_rxf *rxf, u16 handle) { struct bfi_enet_mcast_del_req *req = &rxf->bfi_enet_cmd.mcast_del_req; bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, BFI_ENET_H2I_MAC_MCAST_DEL_REQ, 0, rxf->rx->rid); req->mh.num_entries = htons( bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_mcast_del_req))); req->handle = htons(handle); bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL, sizeof(struct bfi_enet_mcast_del_req), &req->mh); bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd); } static void bna_bfi_mcast_filter_req(struct bna_rxf *rxf, enum bna_status status) { struct bfi_enet_enable_req *req = &rxf->bfi_enet_cmd.req; bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, BFI_ENET_H2I_MAC_MCAST_FILTER_REQ, 0, rxf->rx->rid); req->mh.num_entries = htons( bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req))); req->enable = status; bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL, sizeof(struct bfi_enet_enable_req), &req->mh); bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd); } static void bna_bfi_rx_promisc_req(struct bna_rxf *rxf, enum bna_status status) { struct bfi_enet_enable_req *req = &rxf->bfi_enet_cmd.req; bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, BFI_ENET_H2I_RX_PROMISCUOUS_REQ, 0, rxf->rx->rid); req->mh.num_entries = htons( bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req))); req->enable = status; bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL, sizeof(struct bfi_enet_enable_req), &req->mh); bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd); } static void bna_bfi_rx_vlan_filter_set(struct bna_rxf *rxf, u8 block_idx) { struct bfi_enet_rx_vlan_req *req = &rxf->bfi_enet_cmd.vlan_req; int i; int j; bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, BFI_ENET_H2I_RX_VLAN_SET_REQ, 0, rxf->rx->rid); req->mh.num_entries = htons( bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_rx_vlan_req))); req->block_idx = block_idx; for (i = 0; i < (BFI_ENET_VLAN_BLOCK_SIZE / 32); i++) { j = (block_idx * (BFI_ENET_VLAN_BLOCK_SIZE / 32)) + i; if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED) req->bit_mask[i] = htonl(rxf->vlan_filter_table[j]); else req->bit_mask[i] = 0xFFFFFFFF; } bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL, sizeof(struct bfi_enet_rx_vlan_req), &req->mh); bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd); } static void bna_bfi_vlan_strip_enable(struct bna_rxf *rxf) { struct bfi_enet_enable_req *req = &rxf->bfi_enet_cmd.req; bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, BFI_ENET_H2I_RX_VLAN_STRIP_ENABLE_REQ, 0, rxf->rx->rid); req->mh.num_entries = htons( bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req))); req->enable = rxf->vlan_strip_status; bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL, sizeof(struct bfi_enet_enable_req), &req->mh); bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd); } static void bna_bfi_rit_cfg(struct bna_rxf *rxf) { struct bfi_enet_rit_req *req = &rxf->bfi_enet_cmd.rit_req; bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, BFI_ENET_H2I_RIT_CFG_REQ, 0, rxf->rx->rid); req->mh.num_entries = htons( bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_rit_req))); req->size = htons(rxf->rit_size); memcpy(&req->table[0], rxf->rit, rxf->rit_size); bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL, sizeof(struct bfi_enet_rit_req), &req->mh); bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd); } static void bna_bfi_rss_cfg(struct bna_rxf *rxf) { struct bfi_enet_rss_cfg_req *req = &rxf->bfi_enet_cmd.rss_req; int i; bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, BFI_ENET_H2I_RSS_CFG_REQ, 0, rxf->rx->rid); req->mh.num_entries = htons( bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_rss_cfg_req))); req->cfg.type = rxf->rss_cfg.hash_type; req->cfg.mask = rxf->rss_cfg.hash_mask; for (i = 0; i < BFI_ENET_RSS_KEY_LEN; i++) req->cfg.key[i] = htonl(rxf->rss_cfg.toeplitz_hash_key[i]); bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL, sizeof(struct bfi_enet_rss_cfg_req), &req->mh); bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd); } static void bna_bfi_rss_enable(struct bna_rxf *rxf) { struct bfi_enet_enable_req *req = &rxf->bfi_enet_cmd.req; bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, BFI_ENET_H2I_RSS_ENABLE_REQ, 0, rxf->rx->rid); req->mh.num_entries = htons( bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req))); req->enable = rxf->rss_status; bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL, sizeof(struct bfi_enet_enable_req), &req->mh); bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd); } /* This function gets the multicast MAC that has already been added to CAM */ static struct bna_mac * bna_rxf_mcmac_get(struct bna_rxf *rxf, const u8 *mac_addr) { struct bna_mac *mac; list_for_each_entry(mac, &rxf->mcast_active_q, qe) if (ether_addr_equal(mac->addr, mac_addr)) return mac; list_for_each_entry(mac, &rxf->mcast_pending_del_q, qe) if (ether_addr_equal(mac->addr, mac_addr)) return mac; return NULL; } static struct bna_mcam_handle * bna_rxf_mchandle_get(struct bna_rxf *rxf, int handle) { struct bna_mcam_handle *mchandle; list_for_each_entry(mchandle, &rxf->mcast_handle_q, qe) if (mchandle->handle == handle) return mchandle; return NULL; } static void bna_rxf_mchandle_attach(struct bna_rxf *rxf, u8 *mac_addr, int handle) { struct bna_mac *mcmac; struct bna_mcam_handle *mchandle; mcmac = bna_rxf_mcmac_get(rxf, mac_addr); mchandle = bna_rxf_mchandle_get(rxf, handle); if (mchandle == NULL) { mchandle = bna_mcam_mod_handle_get(&rxf->rx->bna->mcam_mod); mchandle->handle = handle; mchandle->refcnt = 0; list_add_tail(&mchandle->qe, &rxf->mcast_handle_q); } mchandle->refcnt++; mcmac->handle = mchandle; } static int bna_rxf_mcast_del(struct bna_rxf *rxf, struct bna_mac *mac, enum bna_cleanup_type cleanup) { struct bna_mcam_handle *mchandle; int ret = 0; mchandle = mac->handle; if (mchandle == NULL) return ret; mchandle->refcnt--; if (mchandle->refcnt == 0) { if (cleanup == BNA_HARD_CLEANUP) { bna_bfi_mcast_del_req(rxf, mchandle->handle); ret = 1; } list_del(&mchandle->qe); bna_mcam_mod_handle_put(&rxf->rx->bna->mcam_mod, mchandle); } mac->handle = NULL; return ret; } static int bna_rxf_mcast_cfg_apply(struct bna_rxf *rxf) { struct bna_mac *mac = NULL; int ret; /* First delete multicast entries to maintain the count */ while (!list_empty(&rxf->mcast_pending_del_q)) { mac = list_first_entry(&rxf->mcast_pending_del_q, struct bna_mac, qe); ret = bna_rxf_mcast_del(rxf, mac, BNA_HARD_CLEANUP); list_move_tail(&mac->qe, bna_mcam_mod_del_q(rxf->rx->bna)); if (ret) return ret; } /* Add multicast entries */ if (!list_empty(&rxf->mcast_pending_add_q)) { mac = list_first_entry(&rxf->mcast_pending_add_q, struct bna_mac, qe); list_move_tail(&mac->qe, &rxf->mcast_active_q); bna_bfi_mcast_add_req(rxf, mac); return 1; } return 0; } static int bna_rxf_vlan_cfg_apply(struct bna_rxf *rxf) { u8 vlan_pending_bitmask; int block_idx = 0; if (rxf->vlan_pending_bitmask) { vlan_pending_bitmask = rxf->vlan_pending_bitmask; while (!(vlan_pending_bitmask & 0x1)) { block_idx++; vlan_pending_bitmask >>= 1; } rxf->vlan_pending_bitmask &= ~BIT(block_idx); bna_bfi_rx_vlan_filter_set(rxf, block_idx); return 1; } return 0; } static int bna_rxf_mcast_cfg_reset(struct bna_rxf *rxf, enum bna_cleanup_type cleanup) { struct bna_mac *mac; int ret; /* Throw away delete pending mcast entries */ while (!list_empty(&rxf->mcast_pending_del_q)) { mac = list_first_entry(&rxf->mcast_pending_del_q, struct bna_mac, qe); ret = bna_rxf_mcast_del(rxf, mac, cleanup); list_move_tail(&mac->qe, bna_mcam_mod_del_q(rxf->rx->bna)); if (ret) return ret; } /* Move active mcast entries to pending_add_q */ while (!list_empty(&rxf->mcast_active_q)) { mac = list_first_entry(&rxf->mcast_active_q, struct bna_mac, qe); list_move_tail(&mac->qe, &rxf->mcast_pending_add_q); if (bna_rxf_mcast_del(rxf, mac, cleanup)) return 1; } return 0; } static int bna_rxf_rss_cfg_apply(struct bna_rxf *rxf) { if (rxf->rss_pending) { if (rxf->rss_pending & BNA_RSS_F_RIT_PENDING) { rxf->rss_pending &= ~BNA_RSS_F_RIT_PENDING; bna_bfi_rit_cfg(rxf); return 1; } if (rxf->rss_pending & BNA_RSS_F_CFG_PENDING) { rxf->rss_pending &= ~BNA_RSS_F_CFG_PENDING; bna_bfi_rss_cfg(rxf); return 1; } if (rxf->rss_pending & BNA_RSS_F_STATUS_PENDING) { rxf->rss_pending &= ~BNA_RSS_F_STATUS_PENDING; bna_bfi_rss_enable(rxf); return 1; } } return 0; } static int bna_rxf_cfg_apply(struct bna_rxf *rxf) { if (bna_rxf_ucast_cfg_apply(rxf)) return 1; if (bna_rxf_mcast_cfg_apply(rxf)) return 1; if (bna_rxf_promisc_cfg_apply(rxf)) return 1; if (bna_rxf_allmulti_cfg_apply(rxf)) return 1; if (bna_rxf_vlan_cfg_apply(rxf)) return 1; if (bna_rxf_vlan_strip_cfg_apply(rxf)) return 1; if (bna_rxf_rss_cfg_apply(rxf)) return 1; return 0; } static void bna_rxf_cfg_reset(struct bna_rxf *rxf) { bna_rxf_ucast_cfg_reset(rxf, BNA_SOFT_CLEANUP); bna_rxf_mcast_cfg_reset(rxf, BNA_SOFT_CLEANUP); bna_rxf_promisc_cfg_reset(rxf, BNA_SOFT_CLEANUP); bna_rxf_allmulti_cfg_reset(rxf, BNA_SOFT_CLEANUP); bna_rxf_vlan_cfg_soft_reset(rxf); bna_rxf_rss_cfg_soft_reset(rxf); } static void bna_rit_init(struct bna_rxf *rxf, int rit_size) { struct bna_rx *rx = rxf->rx; struct bna_rxp *rxp; int offset = 0; rxf->rit_size = rit_size; list_for_each_entry(rxp, &rx->rxp_q, qe) { rxf->rit[offset] = rxp->cq.ccb->id; offset++; } } void bna_bfi_rxf_cfg_rsp(struct bna_rxf *rxf, struct bfi_msgq_mhdr *msghdr) { bfa_fsm_send_event(rxf, RXF_E_FW_RESP); } void bna_bfi_rxf_ucast_set_rsp(struct bna_rxf *rxf, struct bfi_msgq_mhdr *msghdr) { struct bfi_enet_rsp *rsp = container_of(msghdr, struct bfi_enet_rsp, mh); if (rsp->error) { /* Clear ucast from cache */ rxf->ucast_active_set = 0; } bfa_fsm_send_event(rxf, RXF_E_FW_RESP); } void bna_bfi_rxf_mcast_add_rsp(struct bna_rxf *rxf, struct bfi_msgq_mhdr *msghdr) { struct bfi_enet_mcast_add_req *req = &rxf->bfi_enet_cmd.mcast_add_req; struct bfi_enet_mcast_add_rsp *rsp = container_of(msghdr, struct bfi_enet_mcast_add_rsp, mh); bna_rxf_mchandle_attach(rxf, (u8 *)&req->mac_addr, ntohs(rsp->handle)); bfa_fsm_send_event(rxf, RXF_E_FW_RESP); } static void bna_rxf_init(struct bna_rxf *rxf, struct bna_rx *rx, struct bna_rx_config *q_config, struct bna_res_info *res_info) { rxf->rx = rx; INIT_LIST_HEAD(&rxf->ucast_pending_add_q); INIT_LIST_HEAD(&rxf->ucast_pending_del_q); rxf->ucast_pending_set = 0; rxf->ucast_active_set = 0; INIT_LIST_HEAD(&rxf->ucast_active_q); rxf->ucast_pending_mac = NULL; INIT_LIST_HEAD(&rxf->mcast_pending_add_q); INIT_LIST_HEAD(&rxf->mcast_pending_del_q); INIT_LIST_HEAD(&rxf->mcast_active_q); INIT_LIST_HEAD(&rxf->mcast_handle_q); rxf->rit = (u8 *) res_info[BNA_RX_RES_MEM_T_RIT].res_u.mem_info.mdl[0].kva; bna_rit_init(rxf, q_config->num_paths); rxf->rss_status = q_config->rss_status; if (rxf->rss_status == BNA_STATUS_T_ENABLED) { rxf->rss_cfg = q_config->rss_config; rxf->rss_pending |= BNA_RSS_F_CFG_PENDING; rxf->rss_pending |= BNA_RSS_F_RIT_PENDING; rxf->rss_pending |= BNA_RSS_F_STATUS_PENDING; } rxf->vlan_filter_status = BNA_STATUS_T_DISABLED; memset(rxf->vlan_filter_table, 0, (sizeof(u32) * (BFI_ENET_VLAN_ID_MAX / 32))); rxf->vlan_filter_table[0] |= 1; /* for pure priority tagged frames */ rxf->vlan_pending_bitmask = (u8)BFI_VLAN_BMASK_ALL; rxf->vlan_strip_status = q_config->vlan_strip_status; bfa_fsm_set_state(rxf, bna_rxf_sm_stopped); } static void bna_rxf_uninit(struct bna_rxf *rxf) { struct bna_mac *mac; rxf->ucast_pending_set = 0; rxf->ucast_active_set = 0; while (!list_empty(&rxf->ucast_pending_add_q)) { mac = list_first_entry(&rxf->ucast_pending_add_q, struct bna_mac, qe); list_move_tail(&mac->qe, bna_ucam_mod_free_q(rxf->rx->bna)); } if (rxf->ucast_pending_mac) { list_add_tail(&rxf->ucast_pending_mac->qe, bna_ucam_mod_free_q(rxf->rx->bna)); rxf->ucast_pending_mac = NULL; } while (!list_empty(&rxf->mcast_pending_add_q)) { mac = list_first_entry(&rxf->mcast_pending_add_q, struct bna_mac, qe); list_move_tail(&mac->qe, bna_mcam_mod_free_q(rxf->rx->bna)); } rxf->rxmode_pending = 0; rxf->rxmode_pending_bitmask = 0; if (rxf->rx->bna->promisc_rid == rxf->rx->rid) rxf->rx->bna->promisc_rid = BFI_INVALID_RID; if (rxf->rx->bna->default_mode_rid == rxf->rx->rid) rxf->rx->bna->default_mode_rid = BFI_INVALID_RID; rxf->rss_pending = 0; rxf->vlan_strip_pending = false; rxf->rx = NULL; } static void bna_rx_cb_rxf_started(struct bna_rx *rx) { bfa_fsm_send_event(rx, RX_E_RXF_STARTED); } static void bna_rxf_start(struct bna_rxf *rxf) { rxf->start_cbfn = bna_rx_cb_rxf_started; rxf->start_cbarg = rxf->rx; bfa_fsm_send_event(rxf, RXF_E_START); } static void bna_rx_cb_rxf_stopped(struct bna_rx *rx) { bfa_fsm_send_event(rx, RX_E_RXF_STOPPED); } static void bna_rxf_stop(struct bna_rxf *rxf) { rxf->stop_cbfn = bna_rx_cb_rxf_stopped; rxf->stop_cbarg = rxf->rx; bfa_fsm_send_event(rxf, RXF_E_STOP); } static void bna_rxf_fail(struct bna_rxf *rxf) { bfa_fsm_send_event(rxf, RXF_E_FAIL); } enum bna_cb_status bna_rx_ucast_set(struct bna_rx *rx, const u8 *ucmac) { struct bna_rxf *rxf = &rx->rxf; if (rxf->ucast_pending_mac == NULL) { rxf->ucast_pending_mac = bna_cam_mod_mac_get(bna_ucam_mod_free_q(rxf->rx->bna)); if (rxf->ucast_pending_mac == NULL) return BNA_CB_UCAST_CAM_FULL; } ether_addr_copy(rxf->ucast_pending_mac->addr, ucmac); rxf->ucast_pending_set = 1; rxf->cam_fltr_cbfn = NULL; rxf->cam_fltr_cbarg = rx->bna->bnad; bfa_fsm_send_event(rxf, RXF_E_CONFIG); return BNA_CB_SUCCESS; } enum bna_cb_status bna_rx_mcast_add(struct bna_rx *rx, const u8 *addr, void (*cbfn)(struct bnad *, struct bna_rx *)) { struct bna_rxf *rxf = &rx->rxf; struct bna_mac *mac; /* Check if already added or pending addition */ if (bna_mac_find(&rxf->mcast_active_q, addr) || bna_mac_find(&rxf->mcast_pending_add_q, addr)) { if (cbfn) cbfn(rx->bna->bnad, rx); return BNA_CB_SUCCESS; } mac = bna_cam_mod_mac_get(bna_mcam_mod_free_q(rxf->rx->bna)); if (mac == NULL) return BNA_CB_MCAST_LIST_FULL; ether_addr_copy(mac->addr, addr); list_add_tail(&mac->qe, &rxf->mcast_pending_add_q); rxf->cam_fltr_cbfn = cbfn; rxf->cam_fltr_cbarg = rx->bna->bnad; bfa_fsm_send_event(rxf, RXF_E_CONFIG); return BNA_CB_SUCCESS; } enum bna_cb_status bna_rx_ucast_listset(struct bna_rx *rx, int count, const u8 *uclist) { struct bna_ucam_mod *ucam_mod = &rx->bna->ucam_mod; struct bna_rxf *rxf = &rx->rxf; struct list_head list_head; const u8 *mcaddr; struct bna_mac *mac, *del_mac; int i; /* Purge the pending_add_q */ while (!list_empty(&rxf->ucast_pending_add_q)) { mac = list_first_entry(&rxf->ucast_pending_add_q, struct bna_mac, qe); list_move_tail(&mac->qe, &ucam_mod->free_q); } /* Schedule active_q entries for deletion */ while (!list_empty(&rxf->ucast_active_q)) { mac = list_first_entry(&rxf->ucast_active_q, struct bna_mac, qe); del_mac = bna_cam_mod_mac_get(&ucam_mod->del_q); ether_addr_copy(del_mac->addr, mac->addr); del_mac->handle = mac->handle; list_add_tail(&del_mac->qe, &rxf->ucast_pending_del_q); list_move_tail(&mac->qe, &ucam_mod->free_q); } /* Allocate nodes */ INIT_LIST_HEAD(&list_head); for (i = 0, mcaddr = uclist; i < count; i++) { mac = bna_cam_mod_mac_get(&ucam_mod->free_q); if (mac == NULL) goto err_return; ether_addr_copy(mac->addr, mcaddr); list_add_tail(&mac->qe, &list_head); mcaddr += ETH_ALEN; } /* Add the new entries */ while (!list_empty(&list_head)) { mac = list_first_entry(&list_head, struct bna_mac, qe); list_move_tail(&mac->qe, &rxf->ucast_pending_add_q); } bfa_fsm_send_event(rxf, RXF_E_CONFIG); return BNA_CB_SUCCESS; err_return: while (!list_empty(&list_head)) { mac = list_first_entry(&list_head, struct bna_mac, qe); list_move_tail(&mac->qe, &ucam_mod->free_q); } return BNA_CB_UCAST_CAM_FULL; } enum bna_cb_status bna_rx_mcast_listset(struct bna_rx *rx, int count, const u8 *mclist) { struct bna_mcam_mod *mcam_mod = &rx->bna->mcam_mod; struct bna_rxf *rxf = &rx->rxf; struct list_head list_head; const u8 *mcaddr; struct bna_mac *mac, *del_mac; int i; /* Purge the pending_add_q */ while (!list_empty(&rxf->mcast_pending_add_q)) { mac = list_first_entry(&rxf->mcast_pending_add_q, struct bna_mac, qe); list_move_tail(&mac->qe, &mcam_mod->free_q); } /* Schedule active_q entries for deletion */ while (!list_empty(&rxf->mcast_active_q)) { mac = list_first_entry(&rxf->mcast_active_q, struct bna_mac, qe); del_mac = bna_cam_mod_mac_get(&mcam_mod->del_q); ether_addr_copy(del_mac->addr, mac->addr); del_mac->handle = mac->handle; list_add_tail(&del_mac->qe, &rxf->mcast_pending_del_q); mac->handle = NULL; list_move_tail(&mac->qe, &mcam_mod->free_q); } /* Allocate nodes */ INIT_LIST_HEAD(&list_head); for (i = 0, mcaddr = mclist; i < count; i++) { mac = bna_cam_mod_mac_get(&mcam_mod->free_q); if (mac == NULL) goto err_return; ether_addr_copy(mac->addr, mcaddr); list_add_tail(&mac->qe, &list_head); mcaddr += ETH_ALEN; } /* Add the new entries */ while (!list_empty(&list_head)) { mac = list_first_entry(&list_head, struct bna_mac, qe); list_move_tail(&mac->qe, &rxf->mcast_pending_add_q); } bfa_fsm_send_event(rxf, RXF_E_CONFIG); return BNA_CB_SUCCESS; err_return: while (!list_empty(&list_head)) { mac = list_first_entry(&list_head, struct bna_mac, qe); list_move_tail(&mac->qe, &mcam_mod->free_q); } return BNA_CB_MCAST_LIST_FULL; } void bna_rx_mcast_delall(struct bna_rx *rx) { struct bna_rxf *rxf = &rx->rxf; struct bna_mac *mac, *del_mac; int need_hw_config = 0; /* Purge all entries from pending_add_q */ while (!list_empty(&rxf->mcast_pending_add_q)) { mac = list_first_entry(&rxf->mcast_pending_add_q, struct bna_mac, qe); list_move_tail(&mac->qe, bna_mcam_mod_free_q(rxf->rx->bna)); } /* Schedule all entries in active_q for deletion */ while (!list_empty(&rxf->mcast_active_q)) { mac = list_first_entry(&rxf->mcast_active_q, struct bna_mac, qe); list_del(&mac->qe); del_mac = bna_cam_mod_mac_get(bna_mcam_mod_del_q(rxf->rx->bna)); memcpy(del_mac, mac, sizeof(*del_mac)); list_add_tail(&del_mac->qe, &rxf->mcast_pending_del_q); mac->handle = NULL; list_add_tail(&mac->qe, bna_mcam_mod_free_q(rxf->rx->bna)); need_hw_config = 1; } if (need_hw_config) bfa_fsm_send_event(rxf, RXF_E_CONFIG); } void bna_rx_vlan_add(struct bna_rx *rx, int vlan_id) { struct bna_rxf *rxf = &rx->rxf; int index = (vlan_id >> BFI_VLAN_WORD_SHIFT); int bit = BIT(vlan_id & BFI_VLAN_WORD_MASK); int group_id = (vlan_id >> BFI_VLAN_BLOCK_SHIFT); rxf->vlan_filter_table[index] |= bit; if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED) { rxf->vlan_pending_bitmask |= BIT(group_id); bfa_fsm_send_event(rxf, RXF_E_CONFIG); } } void bna_rx_vlan_del(struct bna_rx *rx, int vlan_id) { struct bna_rxf *rxf = &rx->rxf; int index = (vlan_id >> BFI_VLAN_WORD_SHIFT); int bit = BIT(vlan_id & BFI_VLAN_WORD_MASK); int group_id = (vlan_id >> BFI_VLAN_BLOCK_SHIFT); rxf->vlan_filter_table[index] &= ~bit; if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED) { rxf->vlan_pending_bitmask |= BIT(group_id); bfa_fsm_send_event(rxf, RXF_E_CONFIG); } } static int bna_rxf_ucast_cfg_apply(struct bna_rxf *rxf) { struct bna_mac *mac = NULL; /* Delete MAC addresses previousely added */ if (!list_empty(&rxf->ucast_pending_del_q)) { mac = list_first_entry(&rxf->ucast_pending_del_q, struct bna_mac, qe); bna_bfi_ucast_req(rxf, mac, BFI_ENET_H2I_MAC_UCAST_DEL_REQ); list_move_tail(&mac->qe, bna_ucam_mod_del_q(rxf->rx->bna)); return 1; } /* Set default unicast MAC */ if (rxf->ucast_pending_set) { rxf->ucast_pending_set = 0; ether_addr_copy(rxf->ucast_active_mac.addr, rxf->ucast_pending_mac->addr); rxf->ucast_active_set = 1; bna_bfi_ucast_req(rxf, &rxf->ucast_active_mac, BFI_ENET_H2I_MAC_UCAST_SET_REQ); return 1; } /* Add additional MAC entries */ if (!list_empty(&rxf->ucast_pending_add_q)) { mac = list_first_entry(&rxf->ucast_pending_add_q, struct bna_mac, qe); list_move_tail(&mac->qe, &rxf->ucast_active_q); bna_bfi_ucast_req(rxf, mac, BFI_ENET_H2I_MAC_UCAST_ADD_REQ); return 1; } return 0; } static int bna_rxf_ucast_cfg_reset(struct bna_rxf *rxf, enum bna_cleanup_type cleanup) { struct bna_mac *mac; /* Throw away delete pending ucast entries */ while (!list_empty(&rxf->ucast_pending_del_q)) { mac = list_first_entry(&rxf->ucast_pending_del_q, struct bna_mac, qe); if (cleanup == BNA_SOFT_CLEANUP) list_move_tail(&mac->qe, bna_ucam_mod_del_q(rxf->rx->bna)); else { bna_bfi_ucast_req(rxf, mac, BFI_ENET_H2I_MAC_UCAST_DEL_REQ); list_move_tail(&mac->qe, bna_ucam_mod_del_q(rxf->rx->bna)); return 1; } } /* Move active ucast entries to pending_add_q */ while (!list_empty(&rxf->ucast_active_q)) { mac = list_first_entry(&rxf->ucast_active_q, struct bna_mac, qe); list_move_tail(&mac->qe, &rxf->ucast_pending_add_q); if (cleanup == BNA_HARD_CLEANUP) { bna_bfi_ucast_req(rxf, mac, BFI_ENET_H2I_MAC_UCAST_DEL_REQ); return 1; } } if (rxf->ucast_active_set) { rxf->ucast_pending_set = 1; rxf->ucast_active_set = 0; if (cleanup == BNA_HARD_CLEANUP) { bna_bfi_ucast_req(rxf, &rxf->ucast_active_mac, BFI_ENET_H2I_MAC_UCAST_CLR_REQ); return 1; } } return 0; } static int bna_rxf_promisc_cfg_apply(struct bna_rxf *rxf) { struct bna *bna = rxf->rx->bna; /* Enable/disable promiscuous mode */ if (is_promisc_enable(rxf->rxmode_pending, rxf->rxmode_pending_bitmask)) { /* move promisc configuration from pending -> active */ promisc_inactive(rxf->rxmode_pending, rxf->rxmode_pending_bitmask); rxf->rxmode_active |= BNA_RXMODE_PROMISC; bna_bfi_rx_promisc_req(rxf, BNA_STATUS_T_ENABLED); return 1; } else if (is_promisc_disable(rxf->rxmode_pending, rxf->rxmode_pending_bitmask)) { /* move promisc configuration from pending -> active */ promisc_inactive(rxf->rxmode_pending, rxf->rxmode_pending_bitmask); rxf->rxmode_active &= ~BNA_RXMODE_PROMISC; bna->promisc_rid = BFI_INVALID_RID; bna_bfi_rx_promisc_req(rxf, BNA_STATUS_T_DISABLED); return 1; } return 0; } static int bna_rxf_promisc_cfg_reset(struct bna_rxf *rxf, enum bna_cleanup_type cleanup) { struct bna *bna = rxf->rx->bna; /* Clear pending promisc mode disable */ if (is_promisc_disable(rxf->rxmode_pending, rxf->rxmode_pending_bitmask)) { promisc_inactive(rxf->rxmode_pending, rxf->rxmode_pending_bitmask); rxf->rxmode_active &= ~BNA_RXMODE_PROMISC; bna->promisc_rid = BFI_INVALID_RID; if (cleanup == BNA_HARD_CLEANUP) { bna_bfi_rx_promisc_req(rxf, BNA_STATUS_T_DISABLED); return 1; } } /* Move promisc mode config from active -> pending */ if (rxf->rxmode_active & BNA_RXMODE_PROMISC) { promisc_enable(rxf->rxmode_pending, rxf->rxmode_pending_bitmask); rxf->rxmode_active &= ~BNA_RXMODE_PROMISC; if (cleanup == BNA_HARD_CLEANUP) { bna_bfi_rx_promisc_req(rxf, BNA_STATUS_T_DISABLED); return 1; } } return 0; } static int bna_rxf_allmulti_cfg_apply(struct bna_rxf *rxf) { /* Enable/disable allmulti mode */ if (is_allmulti_enable(rxf->rxmode_pending, rxf->rxmode_pending_bitmask)) { /* move allmulti configuration from pending -> active */ allmulti_inactive(rxf->rxmode_pending, rxf->rxmode_pending_bitmask); rxf->rxmode_active |= BNA_RXMODE_ALLMULTI; bna_bfi_mcast_filter_req(rxf, BNA_STATUS_T_DISABLED); return 1; } else if (is_allmulti_disable(rxf->rxmode_pending, rxf->rxmode_pending_bitmask)) { /* move allmulti configuration from pending -> active */ allmulti_inactive(rxf->rxmode_pending, rxf->rxmode_pending_bitmask); rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI; bna_bfi_mcast_filter_req(rxf, BNA_STATUS_T_ENABLED); return 1; } return 0; } static int bna_rxf_allmulti_cfg_reset(struct bna_rxf *rxf, enum bna_cleanup_type cleanup) { /* Clear pending allmulti mode disable */ if (is_allmulti_disable(rxf->rxmode_pending, rxf->rxmode_pending_bitmask)) { allmulti_inactive(rxf->rxmode_pending, rxf->rxmode_pending_bitmask); rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI; if (cleanup == BNA_HARD_CLEANUP) { bna_bfi_mcast_filter_req(rxf, BNA_STATUS_T_ENABLED); return 1; } } /* Move allmulti mode config from active -> pending */ if (rxf->rxmode_active & BNA_RXMODE_ALLMULTI) { allmulti_enable(rxf->rxmode_pending, rxf->rxmode_pending_bitmask); rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI; if (cleanup == BNA_HARD_CLEANUP) { bna_bfi_mcast_filter_req(rxf, BNA_STATUS_T_ENABLED); return 1; } } return 0; } static int bna_rxf_promisc_enable(struct bna_rxf *rxf) { struct bna *bna = rxf->rx->bna; int ret = 0; if (is_promisc_enable(rxf->rxmode_pending, rxf->rxmode_pending_bitmask) || (rxf->rxmode_active & BNA_RXMODE_PROMISC)) { /* Do nothing if pending enable or already enabled */ } else if (is_promisc_disable(rxf->rxmode_pending, rxf->rxmode_pending_bitmask)) { /* Turn off pending disable command */ promisc_inactive(rxf->rxmode_pending, rxf->rxmode_pending_bitmask); } else { /* Schedule enable */ promisc_enable(rxf->rxmode_pending, rxf->rxmode_pending_bitmask); bna->promisc_rid = rxf->rx->rid; ret = 1; } return ret; } static int bna_rxf_promisc_disable(struct bna_rxf *rxf) { struct bna *bna = rxf->rx->bna; int ret = 0; if (is_promisc_disable(rxf->rxmode_pending, rxf->rxmode_pending_bitmask) || (!(rxf->rxmode_active & BNA_RXMODE_PROMISC))) { /* Do nothing if pending disable or already disabled */ } else if (is_promisc_enable(rxf->rxmode_pending, rxf->rxmode_pending_bitmask)) { /* Turn off pending enable command */ promisc_inactive(rxf->rxmode_pending, rxf->rxmode_pending_bitmask); bna->promisc_rid = BFI_INVALID_RID; } else if (rxf->rxmode_active & BNA_RXMODE_PROMISC) { /* Schedule disable */ promisc_disable(rxf->rxmode_pending, rxf->rxmode_pending_bitmask); ret = 1; } return ret; } static int bna_rxf_allmulti_enable(struct bna_rxf *rxf) { int ret = 0; if (is_allmulti_enable(rxf->rxmode_pending, rxf->rxmode_pending_bitmask) || (rxf->rxmode_active & BNA_RXMODE_ALLMULTI)) { /* Do nothing if pending enable or already enabled */ } else if (is_allmulti_disable(rxf->rxmode_pending, rxf->rxmode_pending_bitmask)) { /* Turn off pending disable command */ allmulti_inactive(rxf->rxmode_pending, rxf->rxmode_pending_bitmask); } else { /* Schedule enable */ allmulti_enable(rxf->rxmode_pending, rxf->rxmode_pending_bitmask); ret = 1; } return ret; } static int bna_rxf_allmulti_disable(struct bna_rxf *rxf) { int ret = 0; if (is_allmulti_disable(rxf->rxmode_pending, rxf->rxmode_pending_bitmask) || (!(rxf->rxmode_active & BNA_RXMODE_ALLMULTI))) { /* Do nothing if pending disable or already disabled */ } else if (is_allmulti_enable(rxf->rxmode_pending, rxf->rxmode_pending_bitmask)) { /* Turn off pending enable command */ allmulti_inactive(rxf->rxmode_pending, rxf->rxmode_pending_bitmask); } else if (rxf->rxmode_active & BNA_RXMODE_ALLMULTI) { /* Schedule disable */ allmulti_disable(rxf->rxmode_pending, rxf->rxmode_pending_bitmask); ret = 1; } return ret; } static int bna_rxf_vlan_strip_cfg_apply(struct bna_rxf *rxf) { if (rxf->vlan_strip_pending) { rxf->vlan_strip_pending = false; bna_bfi_vlan_strip_enable(rxf); return 1; } return 0; } /* RX */ #define BNA_GET_RXQS(qcfg) (((qcfg)->rxp_type == BNA_RXP_SINGLE) ? \ (qcfg)->num_paths : ((qcfg)->num_paths * 2)) #define SIZE_TO_PAGES(size) (((size) >> PAGE_SHIFT) + ((((size) &\ (PAGE_SIZE - 1)) + (PAGE_SIZE - 1)) >> PAGE_SHIFT)) #define call_rx_stop_cbfn(rx) \ do { \ if ((rx)->stop_cbfn) { \ void (*cbfn)(void *, struct bna_rx *); \ void *cbarg; \ cbfn = (rx)->stop_cbfn; \ cbarg = (rx)->stop_cbarg; \ (rx)->stop_cbfn = NULL; \ (rx)->stop_cbarg = NULL; \ cbfn(cbarg, rx); \ } \ } while (0) #define call_rx_stall_cbfn(rx) \ do { \ if ((rx)->rx_stall_cbfn) \ (rx)->rx_stall_cbfn((rx)->bna->bnad, (rx)); \ } while (0) #define bfi_enet_datapath_q_init(bfi_q, bna_qpt) \ do { \ struct bna_dma_addr cur_q_addr = \ *((struct bna_dma_addr *)((bna_qpt)->kv_qpt_ptr)); \ (bfi_q)->pg_tbl.a32.addr_lo = (bna_qpt)->hw_qpt_ptr.lsb; \ (bfi_q)->pg_tbl.a32.addr_hi = (bna_qpt)->hw_qpt_ptr.msb; \ (bfi_q)->first_entry.a32.addr_lo = cur_q_addr.lsb; \ (bfi_q)->first_entry.a32.addr_hi = cur_q_addr.msb; \ (bfi_q)->pages = htons((u16)(bna_qpt)->page_count); \ (bfi_q)->page_sz = htons((u16)(bna_qpt)->page_size);\ } while (0) static void bna_bfi_rx_enet_start(struct bna_rx *rx); static void bna_rx_enet_stop(struct bna_rx *rx); static void bna_rx_mod_cb_rx_stopped(void *arg, struct bna_rx *rx); bfa_fsm_state_decl(bna_rx, stopped, struct bna_rx, enum bna_rx_event); bfa_fsm_state_decl(bna_rx, start_wait, struct bna_rx, enum bna_rx_event); bfa_fsm_state_decl(bna_rx, start_stop_wait, struct bna_rx, enum bna_rx_event); bfa_fsm_state_decl(bna_rx, rxf_start_wait, struct bna_rx, enum bna_rx_event); bfa_fsm_state_decl(bna_rx, started, struct bna_rx, enum bna_rx_event); bfa_fsm_state_decl(bna_rx, rxf_stop_wait, struct bna_rx, enum bna_rx_event); bfa_fsm_state_decl(bna_rx, stop_wait, struct bna_rx, enum bna_rx_event); bfa_fsm_state_decl(bna_rx, cleanup_wait, struct bna_rx, enum bna_rx_event); bfa_fsm_state_decl(bna_rx, failed, struct bna_rx, enum bna_rx_event); bfa_fsm_state_decl(bna_rx, quiesce_wait, struct bna_rx, enum bna_rx_event); static void bna_rx_sm_stopped_entry(struct bna_rx *rx) { call_rx_stop_cbfn(rx); } static void bna_rx_sm_stopped(struct bna_rx *rx, enum bna_rx_event event) { switch (event) { case RX_E_START: bfa_fsm_set_state(rx, bna_rx_sm_start_wait); break; case RX_E_STOP: call_rx_stop_cbfn(rx); break; case RX_E_FAIL: /* no-op */ break; default: bfa_sm_fault(event); break; } } static void bna_rx_sm_start_wait_entry(struct bna_rx *rx) { bna_bfi_rx_enet_start(rx); } static void bna_rx_sm_stop_wait_entry(struct bna_rx *rx) { } static void bna_rx_sm_stop_wait(struct bna_rx *rx, enum bna_rx_event event) { switch (event) { case RX_E_FAIL: case RX_E_STOPPED: bfa_fsm_set_state(rx, bna_rx_sm_cleanup_wait); rx->rx_cleanup_cbfn(rx->bna->bnad, rx); break; case RX_E_STARTED: bna_rx_enet_stop(rx); break; default: bfa_sm_fault(event); break; } } static void bna_rx_sm_start_wait(struct bna_rx *rx, enum bna_rx_event event) { switch (event) { case RX_E_STOP: bfa_fsm_set_state(rx, bna_rx_sm_start_stop_wait); break; case RX_E_FAIL: bfa_fsm_set_state(rx, bna_rx_sm_stopped); break; case RX_E_STARTED: bfa_fsm_set_state(rx, bna_rx_sm_rxf_start_wait); break; default: bfa_sm_fault(event); break; } } static void bna_rx_sm_rxf_start_wait_entry(struct bna_rx *rx) { rx->rx_post_cbfn(rx->bna->bnad, rx); bna_rxf_start(&rx->rxf); } static void bna_rx_sm_rxf_stop_wait_entry(struct bna_rx *rx) { } static void bna_rx_sm_rxf_stop_wait(struct bna_rx *rx, enum bna_rx_event event) { switch (event) { case RX_E_FAIL: bfa_fsm_set_state(rx, bna_rx_sm_cleanup_wait); bna_rxf_fail(&rx->rxf); call_rx_stall_cbfn(rx); rx->rx_cleanup_cbfn(rx->bna->bnad, rx); break; case RX_E_RXF_STARTED: bna_rxf_stop(&rx->rxf); break; case RX_E_RXF_STOPPED: bfa_fsm_set_state(rx, bna_rx_sm_stop_wait); call_rx_stall_cbfn(rx); bna_rx_enet_stop(rx); break; default: bfa_sm_fault(event); break; } } static void bna_rx_sm_start_stop_wait_entry(struct bna_rx *rx) { } static void bna_rx_sm_start_stop_wait(struct bna_rx *rx, enum bna_rx_event event) { switch (event) { case RX_E_FAIL: case RX_E_STOPPED: bfa_fsm_set_state(rx, bna_rx_sm_stopped); break; case RX_E_STARTED: bna_rx_enet_stop(rx); break; default: bfa_sm_fault(event); } } static void bna_rx_sm_started_entry(struct bna_rx *rx) { struct bna_rxp *rxp; int is_regular = (rx->type == BNA_RX_T_REGULAR); /* Start IB */ list_for_each_entry(rxp, &rx->rxp_q, qe) bna_ib_start(rx->bna, &rxp->cq.ib, is_regular); bna_ethport_cb_rx_started(&rx->bna->ethport); } static void bna_rx_sm_started(struct bna_rx *rx, enum bna_rx_event event) { switch (event) { case RX_E_STOP: bfa_fsm_set_state(rx, bna_rx_sm_rxf_stop_wait); bna_ethport_cb_rx_stopped(&rx->bna->ethport); bna_rxf_stop(&rx->rxf); break; case RX_E_FAIL: bfa_fsm_set_state(rx, bna_rx_sm_failed); bna_ethport_cb_rx_stopped(&rx->bna->ethport); bna_rxf_fail(&rx->rxf); call_rx_stall_cbfn(rx); rx->rx_cleanup_cbfn(rx->bna->bnad, rx); break; default: bfa_sm_fault(event); break; } } static void bna_rx_sm_rxf_start_wait(struct bna_rx *rx, enum bna_rx_event event) { switch (event) { case RX_E_STOP: bfa_fsm_set_state(rx, bna_rx_sm_rxf_stop_wait); break; case RX_E_FAIL: bfa_fsm_set_state(rx, bna_rx_sm_failed); bna_rxf_fail(&rx->rxf); call_rx_stall_cbfn(rx); rx->rx_cleanup_cbfn(rx->bna->bnad, rx); break; case RX_E_RXF_STARTED: bfa_fsm_set_state(rx, bna_rx_sm_started); break; default: bfa_sm_fault(event); break; } } static void bna_rx_sm_cleanup_wait_entry(struct bna_rx *rx) { } static void bna_rx_sm_cleanup_wait(struct bna_rx *rx, enum bna_rx_event event) { switch (event) { case RX_E_FAIL: case RX_E_RXF_STOPPED: /* No-op */ break; case RX_E_CLEANUP_DONE: bfa_fsm_set_state(rx, bna_rx_sm_stopped); break; default: bfa_sm_fault(event); break; } } static void bna_rx_sm_failed_entry(struct bna_rx *rx) { } static void bna_rx_sm_failed(struct bna_rx *rx, enum bna_rx_event event) { switch (event) { case RX_E_START: bfa_fsm_set_state(rx, bna_rx_sm_quiesce_wait); break; case RX_E_STOP: bfa_fsm_set_state(rx, bna_rx_sm_cleanup_wait); break; case RX_E_FAIL: case RX_E_RXF_STARTED: case RX_E_RXF_STOPPED: /* No-op */ break; case RX_E_CLEANUP_DONE: bfa_fsm_set_state(rx, bna_rx_sm_stopped); break; default: bfa_sm_fault(event); break; } } static void bna_rx_sm_quiesce_wait_entry(struct bna_rx *rx) { } static void bna_rx_sm_quiesce_wait(struct bna_rx *rx, enum bna_rx_event event) { switch (event) { case RX_E_STOP: bfa_fsm_set_state(rx, bna_rx_sm_cleanup_wait); break; case RX_E_FAIL: bfa_fsm_set_state(rx, bna_rx_sm_failed); break; case RX_E_CLEANUP_DONE: bfa_fsm_set_state(rx, bna_rx_sm_start_wait); break; default: bfa_sm_fault(event); break; } } static void bna_bfi_rx_enet_start(struct bna_rx *rx) { struct bfi_enet_rx_cfg_req *cfg_req = &rx->bfi_enet_cmd.cfg_req; struct bna_rxp *rxp = NULL; struct bna_rxq *q0 = NULL, *q1 = NULL; int i; bfi_msgq_mhdr_set(cfg_req->mh, BFI_MC_ENET, BFI_ENET_H2I_RX_CFG_SET_REQ, 0, rx->rid); cfg_req->mh.num_entries = htons( bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_rx_cfg_req))); cfg_req->rx_cfg.frame_size = bna_enet_mtu_get(&rx->bna->enet); cfg_req->num_queue_sets = rx->num_paths; for (i = 0; i < rx->num_paths; i++) { rxp = rxp ? list_next_entry(rxp, qe) : list_first_entry(&rx->rxp_q, struct bna_rxp, qe); GET_RXQS(rxp, q0, q1); switch (rxp->type) { case BNA_RXP_SLR: case BNA_RXP_HDS: /* Small RxQ */ bfi_enet_datapath_q_init(&cfg_req->q_cfg[i].qs.q, &q1->qpt); cfg_req->q_cfg[i].qs.rx_buffer_size = htons((u16)q1->buffer_size); fallthrough; case BNA_RXP_SINGLE: /* Large/Single RxQ */ bfi_enet_datapath_q_init(&cfg_req->q_cfg[i].ql.q, &q0->qpt); if (q0->multi_buffer) /* multi-buffer is enabled by allocating * a new rx with new set of resources. * q0->buffer_size should be initialized to * fragment size. */ cfg_req->rx_cfg.multi_buffer = BNA_STATUS_T_ENABLED; else q0->buffer_size = bna_enet_mtu_get(&rx->bna->enet); cfg_req->q_cfg[i].ql.rx_buffer_size = htons((u16)q0->buffer_size); break; default: BUG_ON(1); } bfi_enet_datapath_q_init(&cfg_req->q_cfg[i].cq.q, &rxp->cq.qpt); cfg_req->q_cfg[i].ib.index_addr.a32.addr_lo = rxp->cq.ib.ib_seg_host_addr.lsb; cfg_req->q_cfg[i].ib.index_addr.a32.addr_hi = rxp->cq.ib.ib_seg_host_addr.msb; cfg_req->q_cfg[i].ib.intr.msix_index = htons((u16)rxp->cq.ib.intr_vector); } cfg_req->ib_cfg.int_pkt_dma = BNA_STATUS_T_DISABLED; cfg_req->ib_cfg.int_enabled = BNA_STATUS_T_ENABLED; cfg_req->ib_cfg.int_pkt_enabled = BNA_STATUS_T_DISABLED; cfg_req->ib_cfg.continuous_coalescing = BNA_STATUS_T_DISABLED; cfg_req->ib_cfg.msix = (rxp->cq.ib.intr_type == BNA_INTR_T_MSIX) ? BNA_STATUS_T_ENABLED : BNA_STATUS_T_DISABLED; cfg_req->ib_cfg.coalescing_timeout = htonl((u32)rxp->cq.ib.coalescing_timeo); cfg_req->ib_cfg.inter_pkt_timeout = htonl((u32)rxp->cq.ib.interpkt_timeo); cfg_req->ib_cfg.inter_pkt_count = (u8)rxp->cq.ib.interpkt_count; switch (rxp->type) { case BNA_RXP_SLR: cfg_req->rx_cfg.rxq_type = BFI_ENET_RXQ_LARGE_SMALL; break; case BNA_RXP_HDS: cfg_req->rx_cfg.rxq_type = BFI_ENET_RXQ_HDS; cfg_req->rx_cfg.hds.type = rx->hds_cfg.hdr_type; cfg_req->rx_cfg.hds.force_offset = rx->hds_cfg.forced_offset; cfg_req->rx_cfg.hds.max_header_size = rx->hds_cfg.forced_offset; break; case BNA_RXP_SINGLE: cfg_req->rx_cfg.rxq_type = BFI_ENET_RXQ_SINGLE; break; default: BUG_ON(1); } cfg_req->rx_cfg.strip_vlan = rx->rxf.vlan_strip_status; bfa_msgq_cmd_set(&rx->msgq_cmd, NULL, NULL, sizeof(struct bfi_enet_rx_cfg_req), &cfg_req->mh); bfa_msgq_cmd_post(&rx->bna->msgq, &rx->msgq_cmd); } static void bna_bfi_rx_enet_stop(struct bna_rx *rx) { struct bfi_enet_req *req = &rx->bfi_enet_cmd.req; bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, BFI_ENET_H2I_RX_CFG_CLR_REQ, 0, rx->rid); req->mh.num_entries = htons( bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_req))); bfa_msgq_cmd_set(&rx->msgq_cmd, NULL, NULL, sizeof(struct bfi_enet_req), &req->mh); bfa_msgq_cmd_post(&rx->bna->msgq, &rx->msgq_cmd); } static void bna_rx_enet_stop(struct bna_rx *rx) { struct bna_rxp *rxp; /* Stop IB */ list_for_each_entry(rxp, &rx->rxp_q, qe) bna_ib_stop(rx->bna, &rxp->cq.ib); bna_bfi_rx_enet_stop(rx); } static int bna_rx_res_check(struct bna_rx_mod *rx_mod, struct bna_rx_config *rx_cfg) { if ((rx_mod->rx_free_count == 0) || (rx_mod->rxp_free_count == 0) || (rx_mod->rxq_free_count == 0)) return 0; if (rx_cfg->rxp_type == BNA_RXP_SINGLE) { if ((rx_mod->rxp_free_count < rx_cfg->num_paths) || (rx_mod->rxq_free_count < rx_cfg->num_paths)) return 0; } else { if ((rx_mod->rxp_free_count < rx_cfg->num_paths) || (rx_mod->rxq_free_count < (2 * rx_cfg->num_paths))) return 0; } return 1; } static struct bna_rxq * bna_rxq_get(struct bna_rx_mod *rx_mod) { struct bna_rxq *rxq = NULL; rxq = list_first_entry(&rx_mod->rxq_free_q, struct bna_rxq, qe); list_del(&rxq->qe); rx_mod->rxq_free_count--; return rxq; } static void bna_rxq_put(struct bna_rx_mod *rx_mod, struct bna_rxq *rxq) { list_add_tail(&rxq->qe, &rx_mod->rxq_free_q); rx_mod->rxq_free_count++; } static struct bna_rxp * bna_rxp_get(struct bna_rx_mod *rx_mod) { struct bna_rxp *rxp = NULL; rxp = list_first_entry(&rx_mod->rxp_free_q, struct bna_rxp, qe); list_del(&rxp->qe); rx_mod->rxp_free_count--; return rxp; } static void bna_rxp_put(struct bna_rx_mod *rx_mod, struct bna_rxp *rxp) { list_add_tail(&rxp->qe, &rx_mod->rxp_free_q); rx_mod->rxp_free_count++; } static struct bna_rx * bna_rx_get(struct bna_rx_mod *rx_mod, enum bna_rx_type type) { struct bna_rx *rx = NULL; BUG_ON(list_empty(&rx_mod->rx_free_q)); if (type == BNA_RX_T_REGULAR) rx = list_first_entry(&rx_mod->rx_free_q, struct bna_rx, qe); else rx = list_last_entry(&rx_mod->rx_free_q, struct bna_rx, qe); rx_mod->rx_free_count--; list_move_tail(&rx->qe, &rx_mod->rx_active_q); rx->type = type; return rx; } static void bna_rx_put(struct bna_rx_mod *rx_mod, struct bna_rx *rx) { struct list_head *qe; list_for_each_prev(qe, &rx_mod->rx_free_q) if (((struct bna_rx *)qe)->rid < rx->rid) break; list_add(&rx->qe, qe); rx_mod->rx_free_count++; } static void bna_rxp_add_rxqs(struct bna_rxp *rxp, struct bna_rxq *q0, struct bna_rxq *q1) { switch (rxp->type) { case BNA_RXP_SINGLE: rxp->rxq.single.only = q0; rxp->rxq.single.reserved = NULL; break; case BNA_RXP_SLR: rxp->rxq.slr.large = q0; rxp->rxq.slr.small = q1; break; case BNA_RXP_HDS: rxp->rxq.hds.data = q0; rxp->rxq.hds.hdr = q1; break; default: break; } } static void bna_rxq_qpt_setup(struct bna_rxq *rxq, struct bna_rxp *rxp, u32 page_count, u32 page_size, struct bna_mem_descr *qpt_mem, struct bna_mem_descr *swqpt_mem, struct bna_mem_descr *page_mem) { u8 *kva; u64 dma; struct bna_dma_addr bna_dma; int i; rxq->qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb; rxq->qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb; rxq->qpt.kv_qpt_ptr = qpt_mem->kva; rxq->qpt.page_count = page_count; rxq->qpt.page_size = page_size; rxq->rcb->sw_qpt = (void **) swqpt_mem->kva; rxq->rcb->sw_q = page_mem->kva; kva = page_mem->kva; BNA_GET_DMA_ADDR(&page_mem->dma, dma); for (i = 0; i < rxq->qpt.page_count; i++) { rxq->rcb->sw_qpt[i] = kva; kva += PAGE_SIZE; BNA_SET_DMA_ADDR(dma, &bna_dma); ((struct bna_dma_addr *)rxq->qpt.kv_qpt_ptr)[i].lsb = bna_dma.lsb; ((struct bna_dma_addr *)rxq->qpt.kv_qpt_ptr)[i].msb = bna_dma.msb; dma += PAGE_SIZE; } } static void bna_rxp_cqpt_setup(struct bna_rxp *rxp, u32 page_count, u32 page_size, struct bna_mem_descr *qpt_mem, struct bna_mem_descr *swqpt_mem, struct bna_mem_descr *page_mem) { u8 *kva; u64 dma; struct bna_dma_addr bna_dma; int i; rxp->cq.qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb; rxp->cq.qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb; rxp->cq.qpt.kv_qpt_ptr = qpt_mem->kva; rxp->cq.qpt.page_count = page_count; rxp->cq.qpt.page_size = page_size; rxp->cq.ccb->sw_qpt = (void **) swqpt_mem->kva; rxp->cq.ccb->sw_q = page_mem->kva; kva = page_mem->kva; BNA_GET_DMA_ADDR(&page_mem->dma, dma); for (i = 0; i < rxp->cq.qpt.page_count; i++) { rxp->cq.ccb->sw_qpt[i] = kva; kva += PAGE_SIZE; BNA_SET_DMA_ADDR(dma, &bna_dma); ((struct bna_dma_addr *)rxp->cq.qpt.kv_qpt_ptr)[i].lsb = bna_dma.lsb; ((struct bna_dma_addr *)rxp->cq.qpt.kv_qpt_ptr)[i].msb = bna_dma.msb; dma += PAGE_SIZE; } } static void bna_rx_mod_cb_rx_stopped(void *arg, struct bna_rx *rx) { struct bna_rx_mod *rx_mod = (struct bna_rx_mod *)arg; bfa_wc_down(&rx_mod->rx_stop_wc); } static void bna_rx_mod_cb_rx_stopped_all(void *arg) { struct bna_rx_mod *rx_mod = (struct bna_rx_mod *)arg; if (rx_mod->stop_cbfn) rx_mod->stop_cbfn(&rx_mod->bna->enet); rx_mod->stop_cbfn = NULL; } static void bna_rx_start(struct bna_rx *rx) { rx->rx_flags |= BNA_RX_F_ENET_STARTED; if (rx->rx_flags & BNA_RX_F_ENABLED) bfa_fsm_send_event(rx, RX_E_START); } static void bna_rx_stop(struct bna_rx *rx) { rx->rx_flags &= ~BNA_RX_F_ENET_STARTED; if (rx->fsm == bna_rx_sm_stopped) bna_rx_mod_cb_rx_stopped(&rx->bna->rx_mod, rx); else { rx->stop_cbfn = bna_rx_mod_cb_rx_stopped; rx->stop_cbarg = &rx->bna->rx_mod; bfa_fsm_send_event(rx, RX_E_STOP); } } static void bna_rx_fail(struct bna_rx *rx) { /* Indicate Enet is not enabled, and failed */ rx->rx_flags &= ~BNA_RX_F_ENET_STARTED; bfa_fsm_send_event(rx, RX_E_FAIL); } void bna_rx_mod_start(struct bna_rx_mod *rx_mod, enum bna_rx_type type) { struct bna_rx *rx; rx_mod->flags |= BNA_RX_MOD_F_ENET_STARTED; if (type == BNA_RX_T_LOOPBACK) rx_mod->flags |= BNA_RX_MOD_F_ENET_LOOPBACK; list_for_each_entry(rx, &rx_mod->rx_active_q, qe) if (rx->type == type) bna_rx_start(rx); } void bna_rx_mod_stop(struct bna_rx_mod *rx_mod, enum bna_rx_type type) { struct bna_rx *rx; rx_mod->flags &= ~BNA_RX_MOD_F_ENET_STARTED; rx_mod->flags &= ~BNA_RX_MOD_F_ENET_LOOPBACK; rx_mod->stop_cbfn = bna_enet_cb_rx_stopped; bfa_wc_init(&rx_mod->rx_stop_wc, bna_rx_mod_cb_rx_stopped_all, rx_mod); list_for_each_entry(rx, &rx_mod->rx_active_q, qe) if (rx->type == type) { bfa_wc_up(&rx_mod->rx_stop_wc); bna_rx_stop(rx); } bfa_wc_wait(&rx_mod->rx_stop_wc); } void bna_rx_mod_fail(struct bna_rx_mod *rx_mod) { struct bna_rx *rx; rx_mod->flags &= ~BNA_RX_MOD_F_ENET_STARTED; rx_mod->flags &= ~BNA_RX_MOD_F_ENET_LOOPBACK; list_for_each_entry(rx, &rx_mod->rx_active_q, qe) bna_rx_fail(rx); } void bna_rx_mod_init(struct bna_rx_mod *rx_mod, struct bna *bna, struct bna_res_info *res_info) { int index; struct bna_rx *rx_ptr; struct bna_rxp *rxp_ptr; struct bna_rxq *rxq_ptr; rx_mod->bna = bna; rx_mod->flags = 0; rx_mod->rx = (struct bna_rx *) res_info[BNA_MOD_RES_MEM_T_RX_ARRAY].res_u.mem_info.mdl[0].kva; rx_mod->rxp = (struct bna_rxp *) res_info[BNA_MOD_RES_MEM_T_RXP_ARRAY].res_u.mem_info.mdl[0].kva; rx_mod->rxq = (struct bna_rxq *) res_info[BNA_MOD_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.mdl[0].kva; /* Initialize the queues */ INIT_LIST_HEAD(&rx_mod->rx_free_q); rx_mod->rx_free_count = 0; INIT_LIST_HEAD(&rx_mod->rxq_free_q); rx_mod->rxq_free_count = 0; INIT_LIST_HEAD(&rx_mod->rxp_free_q); rx_mod->rxp_free_count = 0; INIT_LIST_HEAD(&rx_mod->rx_active_q); /* Build RX queues */ for (index = 0; index < bna->ioceth.attr.num_rxp; index++) { rx_ptr = &rx_mod->rx[index]; INIT_LIST_HEAD(&rx_ptr->rxp_q); rx_ptr->bna = NULL; rx_ptr->rid = index; rx_ptr->stop_cbfn = NULL; rx_ptr->stop_cbarg = NULL; list_add_tail(&rx_ptr->qe, &rx_mod->rx_free_q); rx_mod->rx_free_count++; } /* build RX-path queue */ for (index = 0; index < bna->ioceth.attr.num_rxp; index++) { rxp_ptr = &rx_mod->rxp[index]; list_add_tail(&rxp_ptr->qe, &rx_mod->rxp_free_q); rx_mod->rxp_free_count++; } /* build RXQ queue */ for (index = 0; index < (bna->ioceth.attr.num_rxp * 2); index++) { rxq_ptr = &rx_mod->rxq[index]; list_add_tail(&rxq_ptr->qe, &rx_mod->rxq_free_q); rx_mod->rxq_free_count++; } } void bna_rx_mod_uninit(struct bna_rx_mod *rx_mod) { rx_mod->bna = NULL; } void bna_bfi_rx_enet_start_rsp(struct bna_rx *rx, struct bfi_msgq_mhdr *msghdr) { struct bfi_enet_rx_cfg_rsp *cfg_rsp = &rx->bfi_enet_cmd.cfg_rsp; struct bna_rxp *rxp = NULL; struct bna_rxq *q0 = NULL, *q1 = NULL; int i; bfa_msgq_rsp_copy(&rx->bna->msgq, (u8 *)cfg_rsp, sizeof(struct bfi_enet_rx_cfg_rsp)); rx->hw_id = cfg_rsp->hw_id; for (i = 0, rxp = list_first_entry(&rx->rxp_q, struct bna_rxp, qe); i < rx->num_paths; i++, rxp = list_next_entry(rxp, qe)) { GET_RXQS(rxp, q0, q1); /* Setup doorbells */ rxp->cq.ccb->i_dbell->doorbell_addr = rx->bna->pcidev.pci_bar_kva + ntohl(cfg_rsp->q_handles[i].i_dbell); rxp->hw_id = cfg_rsp->q_handles[i].hw_cqid; q0->rcb->q_dbell = rx->bna->pcidev.pci_bar_kva + ntohl(cfg_rsp->q_handles[i].ql_dbell); q0->hw_id = cfg_rsp->q_handles[i].hw_lqid; if (q1) { q1->rcb->q_dbell = rx->bna->pcidev.pci_bar_kva + ntohl(cfg_rsp->q_handles[i].qs_dbell); q1->hw_id = cfg_rsp->q_handles[i].hw_sqid; } /* Initialize producer/consumer indexes */ (*rxp->cq.ccb->hw_producer_index) = 0; rxp->cq.ccb->producer_index = 0; q0->rcb->producer_index = q0->rcb->consumer_index = 0; if (q1) q1->rcb->producer_index = q1->rcb->consumer_index = 0; } bfa_fsm_send_event(rx, RX_E_STARTED); } void bna_bfi_rx_enet_stop_rsp(struct bna_rx *rx, struct bfi_msgq_mhdr *msghdr) { bfa_fsm_send_event(rx, RX_E_STOPPED); } void bna_rx_res_req(struct bna_rx_config *q_cfg, struct bna_res_info *res_info) { u32 cq_size, hq_size, dq_size; u32 cpage_count, hpage_count, dpage_count; struct bna_mem_info *mem_info; u32 cq_depth; u32 hq_depth; u32 dq_depth; dq_depth = q_cfg->q0_depth; hq_depth = ((q_cfg->rxp_type == BNA_RXP_SINGLE) ? 0 : q_cfg->q1_depth); cq_depth = roundup_pow_of_two(dq_depth + hq_depth); cq_size = cq_depth * BFI_CQ_WI_SIZE; cq_size = ALIGN(cq_size, PAGE_SIZE); cpage_count = SIZE_TO_PAGES(cq_size); dq_depth = roundup_pow_of_two(dq_depth); dq_size = dq_depth * BFI_RXQ_WI_SIZE; dq_size = ALIGN(dq_size, PAGE_SIZE); dpage_count = SIZE_TO_PAGES(dq_size); if (BNA_RXP_SINGLE != q_cfg->rxp_type) { hq_depth = roundup_pow_of_two(hq_depth); hq_size = hq_depth * BFI_RXQ_WI_SIZE; hq_size = ALIGN(hq_size, PAGE_SIZE); hpage_count = SIZE_TO_PAGES(hq_size); } else hpage_count = 0; res_info[BNA_RX_RES_MEM_T_CCB].res_type = BNA_RES_T_MEM; mem_info = &res_info[BNA_RX_RES_MEM_T_CCB].res_u.mem_info; mem_info->mem_type = BNA_MEM_T_KVA; mem_info->len = sizeof(struct bna_ccb); mem_info->num = q_cfg->num_paths; res_info[BNA_RX_RES_MEM_T_RCB].res_type = BNA_RES_T_MEM; mem_info = &res_info[BNA_RX_RES_MEM_T_RCB].res_u.mem_info; mem_info->mem_type = BNA_MEM_T_KVA; mem_info->len = sizeof(struct bna_rcb); mem_info->num = BNA_GET_RXQS(q_cfg); res_info[BNA_RX_RES_MEM_T_CQPT].res_type = BNA_RES_T_MEM; mem_info = &res_info[BNA_RX_RES_MEM_T_CQPT].res_u.mem_info; mem_info->mem_type = BNA_MEM_T_DMA; mem_info->len = cpage_count * sizeof(struct bna_dma_addr); mem_info->num = q_cfg->num_paths; res_info[BNA_RX_RES_MEM_T_CSWQPT].res_type = BNA_RES_T_MEM; mem_info = &res_info[BNA_RX_RES_MEM_T_CSWQPT].res_u.mem_info; mem_info->mem_type = BNA_MEM_T_KVA; mem_info->len = cpage_count * sizeof(void *); mem_info->num = q_cfg->num_paths; res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_type = BNA_RES_T_MEM; mem_info = &res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info; mem_info->mem_type = BNA_MEM_T_DMA; mem_info->len = PAGE_SIZE * cpage_count; mem_info->num = q_cfg->num_paths; res_info[BNA_RX_RES_MEM_T_DQPT].res_type = BNA_RES_T_MEM; mem_info = &res_info[BNA_RX_RES_MEM_T_DQPT].res_u.mem_info; mem_info->mem_type = BNA_MEM_T_DMA; mem_info->len = dpage_count * sizeof(struct bna_dma_addr); mem_info->num = q_cfg->num_paths; res_info[BNA_RX_RES_MEM_T_DSWQPT].res_type = BNA_RES_T_MEM; mem_info = &res_info[BNA_RX_RES_MEM_T_DSWQPT].res_u.mem_info; mem_info->mem_type = BNA_MEM_T_KVA; mem_info->len = dpage_count * sizeof(void *); mem_info->num = q_cfg->num_paths; res_info[BNA_RX_RES_MEM_T_DPAGE].res_type = BNA_RES_T_MEM; mem_info = &res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info; mem_info->mem_type = BNA_MEM_T_DMA; mem_info->len = PAGE_SIZE * dpage_count; mem_info->num = q_cfg->num_paths; res_info[BNA_RX_RES_MEM_T_HQPT].res_type = BNA_RES_T_MEM; mem_info = &res_info[BNA_RX_RES_MEM_T_HQPT].res_u.mem_info; mem_info->mem_type = BNA_MEM_T_DMA; mem_info->len = hpage_count * sizeof(struct bna_dma_addr); mem_info->num = (hpage_count ? q_cfg->num_paths : 0); res_info[BNA_RX_RES_MEM_T_HSWQPT].res_type = BNA_RES_T_MEM; mem_info = &res_info[BNA_RX_RES_MEM_T_HSWQPT].res_u.mem_info; mem_info->mem_type = BNA_MEM_T_KVA; mem_info->len = hpage_count * sizeof(void *); mem_info->num = (hpage_count ? q_cfg->num_paths : 0); res_info[BNA_RX_RES_MEM_T_HPAGE].res_type = BNA_RES_T_MEM; mem_info = &res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info; mem_info->mem_type = BNA_MEM_T_DMA; mem_info->len = PAGE_SIZE * hpage_count; mem_info->num = (hpage_count ? q_cfg->num_paths : 0); res_info[BNA_RX_RES_MEM_T_IBIDX].res_type = BNA_RES_T_MEM; mem_info = &res_info[BNA_RX_RES_MEM_T_IBIDX].res_u.mem_info; mem_info->mem_type = BNA_MEM_T_DMA; mem_info->len = BFI_IBIDX_SIZE; mem_info->num = q_cfg->num_paths; res_info[BNA_RX_RES_MEM_T_RIT].res_type = BNA_RES_T_MEM; mem_info = &res_info[BNA_RX_RES_MEM_T_RIT].res_u.mem_info; mem_info->mem_type = BNA_MEM_T_KVA; mem_info->len = BFI_ENET_RSS_RIT_MAX; mem_info->num = 1; res_info[BNA_RX_RES_T_INTR].res_type = BNA_RES_T_INTR; res_info[BNA_RX_RES_T_INTR].res_u.intr_info.intr_type = BNA_INTR_T_MSIX; res_info[BNA_RX_RES_T_INTR].res_u.intr_info.num = q_cfg->num_paths; } struct bna_rx * bna_rx_create(struct bna *bna, struct bnad *bnad, struct bna_rx_config *rx_cfg, const struct bna_rx_event_cbfn *rx_cbfn, struct bna_res_info *res_info, void *priv) { struct bna_rx_mod *rx_mod = &bna->rx_mod; struct bna_rx *rx; struct bna_rxp *rxp; struct bna_rxq *q0; struct bna_rxq *q1; struct bna_intr_info *intr_info; struct bna_mem_descr *hqunmap_mem; struct bna_mem_descr *dqunmap_mem; struct bna_mem_descr *ccb_mem; struct bna_mem_descr *rcb_mem; struct bna_mem_descr *cqpt_mem; struct bna_mem_descr *cswqpt_mem; struct bna_mem_descr *cpage_mem; struct bna_mem_descr *hqpt_mem; struct bna_mem_descr *dqpt_mem; struct bna_mem_descr *hsqpt_mem; struct bna_mem_descr *dsqpt_mem; struct bna_mem_descr *hpage_mem; struct bna_mem_descr *dpage_mem; u32 dpage_count, hpage_count; u32 hq_idx, dq_idx, rcb_idx; u32 cq_depth, i; u32 page_count; if (!bna_rx_res_check(rx_mod, rx_cfg)) return NULL; intr_info = &res_info[BNA_RX_RES_T_INTR].res_u.intr_info; ccb_mem = &res_info[BNA_RX_RES_MEM_T_CCB].res_u.mem_info.mdl[0]; rcb_mem = &res_info[BNA_RX_RES_MEM_T_RCB].res_u.mem_info.mdl[0]; dqunmap_mem = &res_info[BNA_RX_RES_MEM_T_UNMAPDQ].res_u.mem_info.mdl[0]; hqunmap_mem = &res_info[BNA_RX_RES_MEM_T_UNMAPHQ].res_u.mem_info.mdl[0]; cqpt_mem = &res_info[BNA_RX_RES_MEM_T_CQPT].res_u.mem_info.mdl[0]; cswqpt_mem = &res_info[BNA_RX_RES_MEM_T_CSWQPT].res_u.mem_info.mdl[0]; cpage_mem = &res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info.mdl[0]; hqpt_mem = &res_info[BNA_RX_RES_MEM_T_HQPT].res_u.mem_info.mdl[0]; dqpt_mem = &res_info[BNA_RX_RES_MEM_T_DQPT].res_u.mem_info.mdl[0]; hsqpt_mem = &res_info[BNA_RX_RES_MEM_T_HSWQPT].res_u.mem_info.mdl[0]; dsqpt_mem = &res_info[BNA_RX_RES_MEM_T_DSWQPT].res_u.mem_info.mdl[0]; hpage_mem = &res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info.mdl[0]; dpage_mem = &res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info.mdl[0]; page_count = res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info.len / PAGE_SIZE; dpage_count = res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info.len / PAGE_SIZE; hpage_count = res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info.len / PAGE_SIZE; rx = bna_rx_get(rx_mod, rx_cfg->rx_type); rx->bna = bna; rx->rx_flags = 0; INIT_LIST_HEAD(&rx->rxp_q); rx->stop_cbfn = NULL; rx->stop_cbarg = NULL; rx->priv = priv; rx->rcb_setup_cbfn = rx_cbfn->rcb_setup_cbfn; rx->rcb_destroy_cbfn = rx_cbfn->rcb_destroy_cbfn; rx->ccb_setup_cbfn = rx_cbfn->ccb_setup_cbfn; rx->ccb_destroy_cbfn = rx_cbfn->ccb_destroy_cbfn; rx->rx_stall_cbfn = rx_cbfn->rx_stall_cbfn; /* Following callbacks are mandatory */ rx->rx_cleanup_cbfn = rx_cbfn->rx_cleanup_cbfn; rx->rx_post_cbfn = rx_cbfn->rx_post_cbfn; if (rx->bna->rx_mod.flags & BNA_RX_MOD_F_ENET_STARTED) { switch (rx->type) { case BNA_RX_T_REGULAR: if (!(rx->bna->rx_mod.flags & BNA_RX_MOD_F_ENET_LOOPBACK)) rx->rx_flags |= BNA_RX_F_ENET_STARTED; break; case BNA_RX_T_LOOPBACK: if (rx->bna->rx_mod.flags & BNA_RX_MOD_F_ENET_LOOPBACK) rx->rx_flags |= BNA_RX_F_ENET_STARTED; break; } } rx->num_paths = rx_cfg->num_paths; for (i = 0, hq_idx = 0, dq_idx = 0, rcb_idx = 0; i < rx->num_paths; i++) { rxp = bna_rxp_get(rx_mod); list_add_tail(&rxp->qe, &rx->rxp_q); rxp->type = rx_cfg->rxp_type; rxp->rx = rx; rxp->cq.rx = rx; q0 = bna_rxq_get(rx_mod); if (BNA_RXP_SINGLE == rx_cfg->rxp_type) q1 = NULL; else q1 = bna_rxq_get(rx_mod); if (1 == intr_info->num) rxp->vector = intr_info->idl[0].vector; else rxp->vector = intr_info->idl[i].vector; /* Setup IB */ rxp->cq.ib.ib_seg_host_addr.lsb = res_info[BNA_RX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.lsb; rxp->cq.ib.ib_seg_host_addr.msb = res_info[BNA_RX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.msb; rxp->cq.ib.ib_seg_host_addr_kva = res_info[BNA_RX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].kva; rxp->cq.ib.intr_type = intr_info->intr_type; if (intr_info->intr_type == BNA_INTR_T_MSIX) rxp->cq.ib.intr_vector = rxp->vector; else rxp->cq.ib.intr_vector = BIT(rxp->vector); rxp->cq.ib.coalescing_timeo = rx_cfg->coalescing_timeo; rxp->cq.ib.interpkt_count = BFI_RX_INTERPKT_COUNT; rxp->cq.ib.interpkt_timeo = BFI_RX_INTERPKT_TIMEO; bna_rxp_add_rxqs(rxp, q0, q1); /* Setup large Q */ q0->rx = rx; q0->rxp = rxp; q0->rcb = (struct bna_rcb *) rcb_mem[rcb_idx].kva; q0->rcb->unmap_q = (void *)dqunmap_mem[dq_idx].kva; rcb_idx++; dq_idx++; q0->rcb->q_depth = rx_cfg->q0_depth; q0->q_depth = rx_cfg->q0_depth; q0->multi_buffer = rx_cfg->q0_multi_buf; q0->buffer_size = rx_cfg->q0_buf_size; q0->num_vecs = rx_cfg->q0_num_vecs; q0->rcb->rxq = q0; q0->rcb->bnad = bna->bnad; q0->rcb->id = 0; q0->rx_packets = q0->rx_bytes = 0; q0->rx_packets_with_error = q0->rxbuf_alloc_failed = 0; q0->rxbuf_map_failed = 0; bna_rxq_qpt_setup(q0, rxp, dpage_count, PAGE_SIZE, &dqpt_mem[i], &dsqpt_mem[i], &dpage_mem[i]); if (rx->rcb_setup_cbfn) rx->rcb_setup_cbfn(bnad, q0->rcb); /* Setup small Q */ if (q1) { q1->rx = rx; q1->rxp = rxp; q1->rcb = (struct bna_rcb *) rcb_mem[rcb_idx].kva; q1->rcb->unmap_q = (void *)hqunmap_mem[hq_idx].kva; rcb_idx++; hq_idx++; q1->rcb->q_depth = rx_cfg->q1_depth; q1->q_depth = rx_cfg->q1_depth; q1->multi_buffer = BNA_STATUS_T_DISABLED; q1->num_vecs = 1; q1->rcb->rxq = q1; q1->rcb->bnad = bna->bnad; q1->rcb->id = 1; q1->buffer_size = (rx_cfg->rxp_type == BNA_RXP_HDS) ? rx_cfg->hds_config.forced_offset : rx_cfg->q1_buf_size; q1->rx_packets = q1->rx_bytes = 0; q1->rx_packets_with_error = q1->rxbuf_alloc_failed = 0; q1->rxbuf_map_failed = 0; bna_rxq_qpt_setup(q1, rxp, hpage_count, PAGE_SIZE, &hqpt_mem[i], &hsqpt_mem[i], &hpage_mem[i]); if (rx->rcb_setup_cbfn) rx->rcb_setup_cbfn(bnad, q1->rcb); } /* Setup CQ */ rxp->cq.ccb = (struct bna_ccb *) ccb_mem[i].kva; cq_depth = rx_cfg->q0_depth + ((rx_cfg->rxp_type == BNA_RXP_SINGLE) ? 0 : rx_cfg->q1_depth); /* if multi-buffer is enabled sum of q0_depth * and q1_depth need not be a power of 2 */ cq_depth = roundup_pow_of_two(cq_depth); rxp->cq.ccb->q_depth = cq_depth; rxp->cq.ccb->cq = &rxp->cq; rxp->cq.ccb->rcb[0] = q0->rcb; q0->rcb->ccb = rxp->cq.ccb; if (q1) { rxp->cq.ccb->rcb[1] = q1->rcb; q1->rcb->ccb = rxp->cq.ccb; } rxp->cq.ccb->hw_producer_index = (u32 *)rxp->cq.ib.ib_seg_host_addr_kva; rxp->cq.ccb->i_dbell = &rxp->cq.ib.door_bell; rxp->cq.ccb->intr_type = rxp->cq.ib.intr_type; rxp->cq.ccb->intr_vector = rxp->cq.ib.intr_vector; rxp->cq.ccb->rx_coalescing_timeo = rxp->cq.ib.coalescing_timeo; rxp->cq.ccb->pkt_rate.small_pkt_cnt = 0; rxp->cq.ccb->pkt_rate.large_pkt_cnt = 0; rxp->cq.ccb->bnad = bna->bnad; rxp->cq.ccb->id = i; bna_rxp_cqpt_setup(rxp, page_count, PAGE_SIZE, &cqpt_mem[i], &cswqpt_mem[i], &cpage_mem[i]); if (rx->ccb_setup_cbfn) rx->ccb_setup_cbfn(bnad, rxp->cq.ccb); } rx->hds_cfg = rx_cfg->hds_config; bna_rxf_init(&rx->rxf, rx, rx_cfg, res_info); bfa_fsm_set_state(rx, bna_rx_sm_stopped); rx_mod->rid_mask |= BIT(rx->rid); return rx; } void bna_rx_destroy(struct bna_rx *rx) { struct bna_rx_mod *rx_mod = &rx->bna->rx_mod; struct bna_rxq *q0 = NULL; struct bna_rxq *q1 = NULL; struct bna_rxp *rxp; struct list_head *qe; bna_rxf_uninit(&rx->rxf); while (!list_empty(&rx->rxp_q)) { rxp = list_first_entry(&rx->rxp_q, struct bna_rxp, qe); list_del(&rxp->qe); GET_RXQS(rxp, q0, q1); if (rx->rcb_destroy_cbfn) rx->rcb_destroy_cbfn(rx->bna->bnad, q0->rcb); q0->rcb = NULL; q0->rxp = NULL; q0->rx = NULL; bna_rxq_put(rx_mod, q0); if (q1) { if (rx->rcb_destroy_cbfn) rx->rcb_destroy_cbfn(rx->bna->bnad, q1->rcb); q1->rcb = NULL; q1->rxp = NULL; q1->rx = NULL; bna_rxq_put(rx_mod, q1); } rxp->rxq.slr.large = NULL; rxp->rxq.slr.small = NULL; if (rx->ccb_destroy_cbfn) rx->ccb_destroy_cbfn(rx->bna->bnad, rxp->cq.ccb); rxp->cq.ccb = NULL; rxp->rx = NULL; bna_rxp_put(rx_mod, rxp); } list_for_each(qe, &rx_mod->rx_active_q) if (qe == &rx->qe) { list_del(&rx->qe); break; } rx_mod->rid_mask &= ~BIT(rx->rid); rx->bna = NULL; rx->priv = NULL; bna_rx_put(rx_mod, rx); } void bna_rx_enable(struct bna_rx *rx) { if (rx->fsm != bna_rx_sm_stopped) return; rx->rx_flags |= BNA_RX_F_ENABLED; if (rx->rx_flags & BNA_RX_F_ENET_STARTED) bfa_fsm_send_event(rx, RX_E_START); } void bna_rx_disable(struct bna_rx *rx, enum bna_cleanup_type type, void (*cbfn)(void *, struct bna_rx *)) { if (type == BNA_SOFT_CLEANUP) { /* h/w should not be accessed. Treat we're stopped */ (*cbfn)(rx->bna->bnad, rx); } else { rx->stop_cbfn = cbfn; rx->stop_cbarg = rx->bna->bnad; rx->rx_flags &= ~BNA_RX_F_ENABLED; bfa_fsm_send_event(rx, RX_E_STOP); } } void bna_rx_cleanup_complete(struct bna_rx *rx) { bfa_fsm_send_event(rx, RX_E_CLEANUP_DONE); } void bna_rx_vlan_strip_enable(struct bna_rx *rx) { struct bna_rxf *rxf = &rx->rxf; if (rxf->vlan_strip_status == BNA_STATUS_T_DISABLED) { rxf->vlan_strip_status = BNA_STATUS_T_ENABLED; rxf->vlan_strip_pending = true; bfa_fsm_send_event(rxf, RXF_E_CONFIG); } } void bna_rx_vlan_strip_disable(struct bna_rx *rx) { struct bna_rxf *rxf = &rx->rxf; if (rxf->vlan_strip_status != BNA_STATUS_T_DISABLED) { rxf->vlan_strip_status = BNA_STATUS_T_DISABLED; rxf->vlan_strip_pending = true; bfa_fsm_send_event(rxf, RXF_E_CONFIG); } } enum bna_cb_status bna_rx_mode_set(struct bna_rx *rx, enum bna_rxmode new_mode, enum bna_rxmode bitmask) { struct bna_rxf *rxf = &rx->rxf; int need_hw_config = 0; /* Error checks */ if (is_promisc_enable(new_mode, bitmask)) { /* If promisc mode is already enabled elsewhere in the system */ if ((rx->bna->promisc_rid != BFI_INVALID_RID) && (rx->bna->promisc_rid != rxf->rx->rid)) goto err_return; /* If default mode is already enabled in the system */ if (rx->bna->default_mode_rid != BFI_INVALID_RID) goto err_return; /* Trying to enable promiscuous and default mode together */ if (is_default_enable(new_mode, bitmask)) goto err_return; } if (is_default_enable(new_mode, bitmask)) { /* If default mode is already enabled elsewhere in the system */ if ((rx->bna->default_mode_rid != BFI_INVALID_RID) && (rx->bna->default_mode_rid != rxf->rx->rid)) { goto err_return; } /* If promiscuous mode is already enabled in the system */ if (rx->bna->promisc_rid != BFI_INVALID_RID) goto err_return; } /* Process the commands */ if (is_promisc_enable(new_mode, bitmask)) { if (bna_rxf_promisc_enable(rxf)) need_hw_config = 1; } else if (is_promisc_disable(new_mode, bitmask)) { if (bna_rxf_promisc_disable(rxf)) need_hw_config = 1; } if (is_allmulti_enable(new_mode, bitmask)) { if (bna_rxf_allmulti_enable(rxf)) need_hw_config = 1; } else if (is_allmulti_disable(new_mode, bitmask)) { if (bna_rxf_allmulti_disable(rxf)) need_hw_config = 1; } /* Trigger h/w if needed */ if (need_hw_config) { rxf->cam_fltr_cbfn = NULL; rxf->cam_fltr_cbarg = rx->bna->bnad; bfa_fsm_send_event(rxf, RXF_E_CONFIG); } return BNA_CB_SUCCESS; err_return: return BNA_CB_FAIL; } void bna_rx_vlanfilter_enable(struct bna_rx *rx) { struct bna_rxf *rxf = &rx->rxf; if (rxf->vlan_filter_status == BNA_STATUS_T_DISABLED) { rxf->vlan_filter_status = BNA_STATUS_T_ENABLED; rxf->vlan_pending_bitmask = (u8)BFI_VLAN_BMASK_ALL; bfa_fsm_send_event(rxf, RXF_E_CONFIG); } } void bna_rx_coalescing_timeo_set(struct bna_rx *rx, int coalescing_timeo) { struct bna_rxp *rxp; list_for_each_entry(rxp, &rx->rxp_q, qe) { rxp->cq.ccb->rx_coalescing_timeo = coalescing_timeo; bna_ib_coalescing_timeo_set(&rxp->cq.ib, coalescing_timeo); } } void bna_rx_dim_reconfig(struct bna *bna, const u32 vector[][BNA_BIAS_T_MAX]) { int i, j; for (i = 0; i < BNA_LOAD_T_MAX; i++) for (j = 0; j < BNA_BIAS_T_MAX; j++) bna->rx_mod.dim_vector[i][j] = vector[i][j]; } void bna_rx_dim_update(struct bna_ccb *ccb) { struct bna *bna = ccb->cq->rx->bna; u32 load, bias; u32 pkt_rt, small_rt, large_rt; u8 coalescing_timeo; if ((ccb->pkt_rate.small_pkt_cnt == 0) && (ccb->pkt_rate.large_pkt_cnt == 0)) return; /* Arrive at preconfigured coalescing timeo value based on pkt rate */ small_rt = ccb->pkt_rate.small_pkt_cnt; large_rt = ccb->pkt_rate.large_pkt_cnt; pkt_rt = small_rt + large_rt; if (pkt_rt < BNA_PKT_RATE_10K) load = BNA_LOAD_T_LOW_4; else if (pkt_rt < BNA_PKT_RATE_20K) load = BNA_LOAD_T_LOW_3; else if (pkt_rt < BNA_PKT_RATE_30K) load = BNA_LOAD_T_LOW_2; else if (pkt_rt < BNA_PKT_RATE_40K) load = BNA_LOAD_T_LOW_1; else if (pkt_rt < BNA_PKT_RATE_50K) load = BNA_LOAD_T_HIGH_1; else if (pkt_rt < BNA_PKT_RATE_60K) load = BNA_LOAD_T_HIGH_2; else if (pkt_rt < BNA_PKT_RATE_80K) load = BNA_LOAD_T_HIGH_3; else load = BNA_LOAD_T_HIGH_4; if (small_rt > (large_rt << 1)) bias = 0; else bias = 1; ccb->pkt_rate.small_pkt_cnt = 0; ccb->pkt_rate.large_pkt_cnt = 0; coalescing_timeo = bna->rx_mod.dim_vector[load][bias]; ccb->rx_coalescing_timeo = coalescing_timeo; /* Set it to IB */ bna_ib_coalescing_timeo_set(&ccb->cq->ib, coalescing_timeo); } const u32 bna_napi_dim_vector[BNA_LOAD_T_MAX][BNA_BIAS_T_MAX] = { {12, 12}, {6, 10}, {5, 10}, {4, 8}, {3, 6}, {3, 6}, {2, 4}, {1, 2}, }; /* TX */ #define call_tx_stop_cbfn(tx) \ do { \ if ((tx)->stop_cbfn) { \ void (*cbfn)(void *, struct bna_tx *); \ void *cbarg; \ cbfn = (tx)->stop_cbfn; \ cbarg = (tx)->stop_cbarg; \ (tx)->stop_cbfn = NULL; \ (tx)->stop_cbarg = NULL; \ cbfn(cbarg, (tx)); \ } \ } while (0) static void bna_tx_mod_cb_tx_stopped(void *tx_mod, struct bna_tx *tx); static void bna_bfi_tx_enet_start(struct bna_tx *tx); static void bna_tx_enet_stop(struct bna_tx *tx); enum bna_tx_event { TX_E_START = 1, TX_E_STOP = 2, TX_E_FAIL = 3, TX_E_STARTED = 4, TX_E_STOPPED = 5, TX_E_CLEANUP_DONE = 7, TX_E_BW_UPDATE = 8, }; bfa_fsm_state_decl(bna_tx, stopped, struct bna_tx, enum bna_tx_event); bfa_fsm_state_decl(bna_tx, start_wait, struct bna_tx, enum bna_tx_event); bfa_fsm_state_decl(bna_tx, started, struct bna_tx, enum bna_tx_event); bfa_fsm_state_decl(bna_tx, stop_wait, struct bna_tx, enum bna_tx_event); bfa_fsm_state_decl(bna_tx, cleanup_wait, struct bna_tx, enum bna_tx_event); bfa_fsm_state_decl(bna_tx, prio_stop_wait, struct bna_tx, enum bna_tx_event); bfa_fsm_state_decl(bna_tx, prio_cleanup_wait, struct bna_tx, enum bna_tx_event); bfa_fsm_state_decl(bna_tx, failed, struct bna_tx, enum bna_tx_event); bfa_fsm_state_decl(bna_tx, quiesce_wait, struct bna_tx, enum bna_tx_event); static void bna_tx_sm_stopped_entry(struct bna_tx *tx) { call_tx_stop_cbfn(tx); } static void bna_tx_sm_stopped(struct bna_tx *tx, enum bna_tx_event event) { switch (event) { case TX_E_START: bfa_fsm_set_state(tx, bna_tx_sm_start_wait); break; case TX_E_STOP: call_tx_stop_cbfn(tx); break; case TX_E_FAIL: /* No-op */ break; case TX_E_BW_UPDATE: /* No-op */ break; default: bfa_sm_fault(event); } } static void bna_tx_sm_start_wait_entry(struct bna_tx *tx) { bna_bfi_tx_enet_start(tx); } static void bna_tx_sm_start_wait(struct bna_tx *tx, enum bna_tx_event event) { switch (event) { case TX_E_STOP: tx->flags &= ~BNA_TX_F_BW_UPDATED; bfa_fsm_set_state(tx, bna_tx_sm_stop_wait); break; case TX_E_FAIL: tx->flags &= ~BNA_TX_F_BW_UPDATED; bfa_fsm_set_state(tx, bna_tx_sm_stopped); break; case TX_E_STARTED: if (tx->flags & BNA_TX_F_BW_UPDATED) { tx->flags &= ~BNA_TX_F_BW_UPDATED; bfa_fsm_set_state(tx, bna_tx_sm_prio_stop_wait); } else bfa_fsm_set_state(tx, bna_tx_sm_started); break; case TX_E_BW_UPDATE: tx->flags |= BNA_TX_F_BW_UPDATED; break; default: bfa_sm_fault(event); } } static void bna_tx_sm_started_entry(struct bna_tx *tx) { struct bna_txq *txq; int is_regular = (tx->type == BNA_TX_T_REGULAR); list_for_each_entry(txq, &tx->txq_q, qe) { txq->tcb->priority = txq->priority; /* Start IB */ bna_ib_start(tx->bna, &txq->ib, is_regular); } tx->tx_resume_cbfn(tx->bna->bnad, tx); } static void bna_tx_sm_started(struct bna_tx *tx, enum bna_tx_event event) { switch (event) { case TX_E_STOP: bfa_fsm_set_state(tx, bna_tx_sm_stop_wait); tx->tx_stall_cbfn(tx->bna->bnad, tx); bna_tx_enet_stop(tx); break; case TX_E_FAIL: bfa_fsm_set_state(tx, bna_tx_sm_failed); tx->tx_stall_cbfn(tx->bna->bnad, tx); tx->tx_cleanup_cbfn(tx->bna->bnad, tx); break; case TX_E_BW_UPDATE: bfa_fsm_set_state(tx, bna_tx_sm_prio_stop_wait); break; default: bfa_sm_fault(event); } } static void bna_tx_sm_stop_wait_entry(struct bna_tx *tx) { } static void bna_tx_sm_stop_wait(struct bna_tx *tx, enum bna_tx_event event) { switch (event) { case TX_E_FAIL: case TX_E_STOPPED: bfa_fsm_set_state(tx, bna_tx_sm_cleanup_wait); tx->tx_cleanup_cbfn(tx->bna->bnad, tx); break; case TX_E_STARTED: /** * We are here due to start_wait -> stop_wait transition on * TX_E_STOP event */ bna_tx_enet_stop(tx); break; case TX_E_BW_UPDATE: /* No-op */ break; default: bfa_sm_fault(event); } } static void bna_tx_sm_cleanup_wait_entry(struct bna_tx *tx) { } static void bna_tx_sm_cleanup_wait(struct bna_tx *tx, enum bna_tx_event event) { switch (event) { case TX_E_FAIL: case TX_E_BW_UPDATE: /* No-op */ break; case TX_E_CLEANUP_DONE: bfa_fsm_set_state(tx, bna_tx_sm_stopped); break; default: bfa_sm_fault(event); } } static void bna_tx_sm_prio_stop_wait_entry(struct bna_tx *tx) { tx->tx_stall_cbfn(tx->bna->bnad, tx); bna_tx_enet_stop(tx); } static void bna_tx_sm_prio_stop_wait(struct bna_tx *tx, enum bna_tx_event event) { switch (event) { case TX_E_STOP: bfa_fsm_set_state(tx, bna_tx_sm_stop_wait); break; case TX_E_FAIL: bfa_fsm_set_state(tx, bna_tx_sm_failed); tx->tx_cleanup_cbfn(tx->bna->bnad, tx); break; case TX_E_STOPPED: bfa_fsm_set_state(tx, bna_tx_sm_prio_cleanup_wait); break; case TX_E_BW_UPDATE: /* No-op */ break; default: bfa_sm_fault(event); } } static void bna_tx_sm_prio_cleanup_wait_entry(struct bna_tx *tx) { tx->tx_cleanup_cbfn(tx->bna->bnad, tx); } static void bna_tx_sm_prio_cleanup_wait(struct bna_tx *tx, enum bna_tx_event event) { switch (event) { case TX_E_STOP: bfa_fsm_set_state(tx, bna_tx_sm_cleanup_wait); break; case TX_E_FAIL: bfa_fsm_set_state(tx, bna_tx_sm_failed); break; case TX_E_BW_UPDATE: /* No-op */ break; case TX_E_CLEANUP_DONE: bfa_fsm_set_state(tx, bna_tx_sm_start_wait); break; default: bfa_sm_fault(event); } } static void bna_tx_sm_failed_entry(struct bna_tx *tx) { } static void bna_tx_sm_failed(struct bna_tx *tx, enum bna_tx_event event) { switch (event) { case TX_E_START: bfa_fsm_set_state(tx, bna_tx_sm_quiesce_wait); break; case TX_E_STOP: bfa_fsm_set_state(tx, bna_tx_sm_cleanup_wait); break; case TX_E_FAIL: /* No-op */ break; case TX_E_CLEANUP_DONE: bfa_fsm_set_state(tx, bna_tx_sm_stopped); break; default: bfa_sm_fault(event); } } static void bna_tx_sm_quiesce_wait_entry(struct bna_tx *tx) { } static void bna_tx_sm_quiesce_wait(struct bna_tx *tx, enum bna_tx_event event) { switch (event) { case TX_E_STOP: bfa_fsm_set_state(tx, bna_tx_sm_cleanup_wait); break; case TX_E_FAIL: bfa_fsm_set_state(tx, bna_tx_sm_failed); break; case TX_E_CLEANUP_DONE: bfa_fsm_set_state(tx, bna_tx_sm_start_wait); break; case TX_E_BW_UPDATE: /* No-op */ break; default: bfa_sm_fault(event); } } static void bna_bfi_tx_enet_start(struct bna_tx *tx) { struct bfi_enet_tx_cfg_req *cfg_req = &tx->bfi_enet_cmd.cfg_req; struct bna_txq *txq = NULL; int i; bfi_msgq_mhdr_set(cfg_req->mh, BFI_MC_ENET, BFI_ENET_H2I_TX_CFG_SET_REQ, 0, tx->rid); cfg_req->mh.num_entries = htons( bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_tx_cfg_req))); cfg_req->num_queues = tx->num_txq; for (i = 0; i < tx->num_txq; i++) { txq = txq ? list_next_entry(txq, qe) : list_first_entry(&tx->txq_q, struct bna_txq, qe); bfi_enet_datapath_q_init(&cfg_req->q_cfg[i].q.q, &txq->qpt); cfg_req->q_cfg[i].q.priority = txq->priority; cfg_req->q_cfg[i].ib.index_addr.a32.addr_lo = txq->ib.ib_seg_host_addr.lsb; cfg_req->q_cfg[i].ib.index_addr.a32.addr_hi = txq->ib.ib_seg_host_addr.msb; cfg_req->q_cfg[i].ib.intr.msix_index = htons((u16)txq->ib.intr_vector); } cfg_req->ib_cfg.int_pkt_dma = BNA_STATUS_T_ENABLED; cfg_req->ib_cfg.int_enabled = BNA_STATUS_T_ENABLED; cfg_req->ib_cfg.int_pkt_enabled = BNA_STATUS_T_DISABLED; cfg_req->ib_cfg.continuous_coalescing = BNA_STATUS_T_ENABLED; cfg_req->ib_cfg.msix = (txq->ib.intr_type == BNA_INTR_T_MSIX) ? BNA_STATUS_T_ENABLED : BNA_STATUS_T_DISABLED; cfg_req->ib_cfg.coalescing_timeout = htonl((u32)txq->ib.coalescing_timeo); cfg_req->ib_cfg.inter_pkt_timeout = htonl((u32)txq->ib.interpkt_timeo); cfg_req->ib_cfg.inter_pkt_count = (u8)txq->ib.interpkt_count; cfg_req->tx_cfg.vlan_mode = BFI_ENET_TX_VLAN_WI; cfg_req->tx_cfg.vlan_id = htons((u16)tx->txf_vlan_id); cfg_req->tx_cfg.admit_tagged_frame = BNA_STATUS_T_ENABLED; cfg_req->tx_cfg.apply_vlan_filter = BNA_STATUS_T_DISABLED; bfa_msgq_cmd_set(&tx->msgq_cmd, NULL, NULL, sizeof(struct bfi_enet_tx_cfg_req), &cfg_req->mh); bfa_msgq_cmd_post(&tx->bna->msgq, &tx->msgq_cmd); } static void bna_bfi_tx_enet_stop(struct bna_tx *tx) { struct bfi_enet_req *req = &tx->bfi_enet_cmd.req; bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, BFI_ENET_H2I_TX_CFG_CLR_REQ, 0, tx->rid); req->mh.num_entries = htons( bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_req))); bfa_msgq_cmd_set(&tx->msgq_cmd, NULL, NULL, sizeof(struct bfi_enet_req), &req->mh); bfa_msgq_cmd_post(&tx->bna->msgq, &tx->msgq_cmd); } static void bna_tx_enet_stop(struct bna_tx *tx) { struct bna_txq *txq; /* Stop IB */ list_for_each_entry(txq, &tx->txq_q, qe) bna_ib_stop(tx->bna, &txq->ib); bna_bfi_tx_enet_stop(tx); } static void bna_txq_qpt_setup(struct bna_txq *txq, int page_count, int page_size, struct bna_mem_descr *qpt_mem, struct bna_mem_descr *swqpt_mem, struct bna_mem_descr *page_mem) { u8 *kva; u64 dma; struct bna_dma_addr bna_dma; int i; txq->qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb; txq->qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb; txq->qpt.kv_qpt_ptr = qpt_mem->kva; txq->qpt.page_count = page_count; txq->qpt.page_size = page_size; txq->tcb->sw_qpt = (void **) swqpt_mem->kva; txq->tcb->sw_q = page_mem->kva; kva = page_mem->kva; BNA_GET_DMA_ADDR(&page_mem->dma, dma); for (i = 0; i < page_count; i++) { txq->tcb->sw_qpt[i] = kva; kva += PAGE_SIZE; BNA_SET_DMA_ADDR(dma, &bna_dma); ((struct bna_dma_addr *)txq->qpt.kv_qpt_ptr)[i].lsb = bna_dma.lsb; ((struct bna_dma_addr *)txq->qpt.kv_qpt_ptr)[i].msb = bna_dma.msb; dma += PAGE_SIZE; } } static struct bna_tx * bna_tx_get(struct bna_tx_mod *tx_mod, enum bna_tx_type type) { struct bna_tx *tx = NULL; if (list_empty(&tx_mod->tx_free_q)) return NULL; if (type == BNA_TX_T_REGULAR) tx = list_first_entry(&tx_mod->tx_free_q, struct bna_tx, qe); else tx = list_last_entry(&tx_mod->tx_free_q, struct bna_tx, qe); list_del(&tx->qe); tx->type = type; return tx; } static void bna_tx_free(struct bna_tx *tx) { struct bna_tx_mod *tx_mod = &tx->bna->tx_mod; struct bna_txq *txq; struct list_head *qe; while (!list_empty(&tx->txq_q)) { txq = list_first_entry(&tx->txq_q, struct bna_txq, qe); txq->tcb = NULL; txq->tx = NULL; list_move_tail(&txq->qe, &tx_mod->txq_free_q); } list_for_each(qe, &tx_mod->tx_active_q) { if (qe == &tx->qe) { list_del(&tx->qe); break; } } tx->bna = NULL; tx->priv = NULL; list_for_each_prev(qe, &tx_mod->tx_free_q) if (((struct bna_tx *)qe)->rid < tx->rid) break; list_add(&tx->qe, qe); } static void bna_tx_start(struct bna_tx *tx) { tx->flags |= BNA_TX_F_ENET_STARTED; if (tx->flags & BNA_TX_F_ENABLED) bfa_fsm_send_event(tx, TX_E_START); } static void bna_tx_stop(struct bna_tx *tx) { tx->stop_cbfn = bna_tx_mod_cb_tx_stopped; tx->stop_cbarg = &tx->bna->tx_mod; tx->flags &= ~BNA_TX_F_ENET_STARTED; bfa_fsm_send_event(tx, TX_E_STOP); } static void bna_tx_fail(struct bna_tx *tx) { tx->flags &= ~BNA_TX_F_ENET_STARTED; bfa_fsm_send_event(tx, TX_E_FAIL); } void bna_bfi_tx_enet_start_rsp(struct bna_tx *tx, struct bfi_msgq_mhdr *msghdr) { struct bfi_enet_tx_cfg_rsp *cfg_rsp = &tx->bfi_enet_cmd.cfg_rsp; struct bna_txq *txq = NULL; int i; bfa_msgq_rsp_copy(&tx->bna->msgq, (u8 *)cfg_rsp, sizeof(struct bfi_enet_tx_cfg_rsp)); tx->hw_id = cfg_rsp->hw_id; for (i = 0, txq = list_first_entry(&tx->txq_q, struct bna_txq, qe); i < tx->num_txq; i++, txq = list_next_entry(txq, qe)) { /* Setup doorbells */ txq->tcb->i_dbell->doorbell_addr = tx->bna->pcidev.pci_bar_kva + ntohl(cfg_rsp->q_handles[i].i_dbell); txq->tcb->q_dbell = tx->bna->pcidev.pci_bar_kva + ntohl(cfg_rsp->q_handles[i].q_dbell); txq->hw_id = cfg_rsp->q_handles[i].hw_qid; /* Initialize producer/consumer indexes */ (*txq->tcb->hw_consumer_index) = 0; txq->tcb->producer_index = txq->tcb->consumer_index = 0; } bfa_fsm_send_event(tx, TX_E_STARTED); } void bna_bfi_tx_enet_stop_rsp(struct bna_tx *tx, struct bfi_msgq_mhdr *msghdr) { bfa_fsm_send_event(tx, TX_E_STOPPED); } void bna_bfi_bw_update_aen(struct bna_tx_mod *tx_mod) { struct bna_tx *tx; list_for_each_entry(tx, &tx_mod->tx_active_q, qe) bfa_fsm_send_event(tx, TX_E_BW_UPDATE); } void bna_tx_res_req(int num_txq, int txq_depth, struct bna_res_info *res_info) { u32 q_size; u32 page_count; struct bna_mem_info *mem_info; res_info[BNA_TX_RES_MEM_T_TCB].res_type = BNA_RES_T_MEM; mem_info = &res_info[BNA_TX_RES_MEM_T_TCB].res_u.mem_info; mem_info->mem_type = BNA_MEM_T_KVA; mem_info->len = sizeof(struct bna_tcb); mem_info->num = num_txq; q_size = txq_depth * BFI_TXQ_WI_SIZE; q_size = ALIGN(q_size, PAGE_SIZE); page_count = q_size >> PAGE_SHIFT; res_info[BNA_TX_RES_MEM_T_QPT].res_type = BNA_RES_T_MEM; mem_info = &res_info[BNA_TX_RES_MEM_T_QPT].res_u.mem_info; mem_info->mem_type = BNA_MEM_T_DMA; mem_info->len = page_count * sizeof(struct bna_dma_addr); mem_info->num = num_txq; res_info[BNA_TX_RES_MEM_T_SWQPT].res_type = BNA_RES_T_MEM; mem_info = &res_info[BNA_TX_RES_MEM_T_SWQPT].res_u.mem_info; mem_info->mem_type = BNA_MEM_T_KVA; mem_info->len = page_count * sizeof(void *); mem_info->num = num_txq; res_info[BNA_TX_RES_MEM_T_PAGE].res_type = BNA_RES_T_MEM; mem_info = &res_info[BNA_TX_RES_MEM_T_PAGE].res_u.mem_info; mem_info->mem_type = BNA_MEM_T_DMA; mem_info->len = PAGE_SIZE * page_count; mem_info->num = num_txq; res_info[BNA_TX_RES_MEM_T_IBIDX].res_type = BNA_RES_T_MEM; mem_info = &res_info[BNA_TX_RES_MEM_T_IBIDX].res_u.mem_info; mem_info->mem_type = BNA_MEM_T_DMA; mem_info->len = BFI_IBIDX_SIZE; mem_info->num = num_txq; res_info[BNA_TX_RES_INTR_T_TXCMPL].res_type = BNA_RES_T_INTR; res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info.intr_type = BNA_INTR_T_MSIX; res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info.num = num_txq; } struct bna_tx * bna_tx_create(struct bna *bna, struct bnad *bnad, struct bna_tx_config *tx_cfg, const struct bna_tx_event_cbfn *tx_cbfn, struct bna_res_info *res_info, void *priv) { struct bna_intr_info *intr_info; struct bna_tx_mod *tx_mod = &bna->tx_mod; struct bna_tx *tx; struct bna_txq *txq; int page_count; int i; intr_info = &res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info; page_count = (res_info[BNA_TX_RES_MEM_T_PAGE].res_u.mem_info.len) / PAGE_SIZE; /** * Get resources */ if ((intr_info->num != 1) && (intr_info->num != tx_cfg->num_txq)) return NULL; /* Tx */ tx = bna_tx_get(tx_mod, tx_cfg->tx_type); if (!tx) return NULL; tx->bna = bna; tx->priv = priv; /* TxQs */ INIT_LIST_HEAD(&tx->txq_q); for (i = 0; i < tx_cfg->num_txq; i++) { if (list_empty(&tx_mod->txq_free_q)) goto err_return; txq = list_first_entry(&tx_mod->txq_free_q, struct bna_txq, qe); list_move_tail(&txq->qe, &tx->txq_q); txq->tx = tx; } /* * Initialize */ /* Tx */ tx->tcb_setup_cbfn = tx_cbfn->tcb_setup_cbfn; tx->tcb_destroy_cbfn = tx_cbfn->tcb_destroy_cbfn; /* Following callbacks are mandatory */ tx->tx_stall_cbfn = tx_cbfn->tx_stall_cbfn; tx->tx_resume_cbfn = tx_cbfn->tx_resume_cbfn; tx->tx_cleanup_cbfn = tx_cbfn->tx_cleanup_cbfn; list_add_tail(&tx->qe, &tx_mod->tx_active_q); tx->num_txq = tx_cfg->num_txq; tx->flags = 0; if (tx->bna->tx_mod.flags & BNA_TX_MOD_F_ENET_STARTED) { switch (tx->type) { case BNA_TX_T_REGULAR: if (!(tx->bna->tx_mod.flags & BNA_TX_MOD_F_ENET_LOOPBACK)) tx->flags |= BNA_TX_F_ENET_STARTED; break; case BNA_TX_T_LOOPBACK: if (tx->bna->tx_mod.flags & BNA_TX_MOD_F_ENET_LOOPBACK) tx->flags |= BNA_TX_F_ENET_STARTED; break; } } /* TxQ */ i = 0; list_for_each_entry(txq, &tx->txq_q, qe) { txq->tcb = (struct bna_tcb *) res_info[BNA_TX_RES_MEM_T_TCB].res_u.mem_info.mdl[i].kva; txq->tx_packets = 0; txq->tx_bytes = 0; /* IB */ txq->ib.ib_seg_host_addr.lsb = res_info[BNA_TX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.lsb; txq->ib.ib_seg_host_addr.msb = res_info[BNA_TX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.msb; txq->ib.ib_seg_host_addr_kva = res_info[BNA_TX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].kva; txq->ib.intr_type = intr_info->intr_type; txq->ib.intr_vector = (intr_info->num == 1) ? intr_info->idl[0].vector : intr_info->idl[i].vector; if (intr_info->intr_type == BNA_INTR_T_INTX) txq->ib.intr_vector = BIT(txq->ib.intr_vector); txq->ib.coalescing_timeo = tx_cfg->coalescing_timeo; txq->ib.interpkt_timeo = BFI_TX_INTERPKT_TIMEO; txq->ib.interpkt_count = BFI_TX_INTERPKT_COUNT; /* TCB */ txq->tcb->q_depth = tx_cfg->txq_depth; txq->tcb->unmap_q = (void *) res_info[BNA_TX_RES_MEM_T_UNMAPQ].res_u.mem_info.mdl[i].kva; txq->tcb->hw_consumer_index = (u32 *)txq->ib.ib_seg_host_addr_kva; txq->tcb->i_dbell = &txq->ib.door_bell; txq->tcb->intr_type = txq->ib.intr_type; txq->tcb->intr_vector = txq->ib.intr_vector; txq->tcb->txq = txq; txq->tcb->bnad = bnad; txq->tcb->id = i; /* QPT, SWQPT, Pages */ bna_txq_qpt_setup(txq, page_count, PAGE_SIZE, &res_info[BNA_TX_RES_MEM_T_QPT].res_u.mem_info.mdl[i], &res_info[BNA_TX_RES_MEM_T_SWQPT].res_u.mem_info.mdl[i], &res_info[BNA_TX_RES_MEM_T_PAGE]. res_u.mem_info.mdl[i]); /* Callback to bnad for setting up TCB */ if (tx->tcb_setup_cbfn) (tx->tcb_setup_cbfn)(bna->bnad, txq->tcb); if (tx_cfg->num_txq == BFI_TX_MAX_PRIO) txq->priority = txq->tcb->id; else txq->priority = tx_mod->default_prio; i++; } tx->txf_vlan_id = 0; bfa_fsm_set_state(tx, bna_tx_sm_stopped); tx_mod->rid_mask |= BIT(tx->rid); return tx; err_return: bna_tx_free(tx); return NULL; } void bna_tx_destroy(struct bna_tx *tx) { struct bna_txq *txq; list_for_each_entry(txq, &tx->txq_q, qe) if (tx->tcb_destroy_cbfn) (tx->tcb_destroy_cbfn)(tx->bna->bnad, txq->tcb); tx->bna->tx_mod.rid_mask &= ~BIT(tx->rid); bna_tx_free(tx); } void bna_tx_enable(struct bna_tx *tx) { if (tx->fsm != bna_tx_sm_stopped) return; tx->flags |= BNA_TX_F_ENABLED; if (tx->flags & BNA_TX_F_ENET_STARTED) bfa_fsm_send_event(tx, TX_E_START); } void bna_tx_disable(struct bna_tx *tx, enum bna_cleanup_type type, void (*cbfn)(void *, struct bna_tx *)) { if (type == BNA_SOFT_CLEANUP) { (*cbfn)(tx->bna->bnad, tx); return; } tx->stop_cbfn = cbfn; tx->stop_cbarg = tx->bna->bnad; tx->flags &= ~BNA_TX_F_ENABLED; bfa_fsm_send_event(tx, TX_E_STOP); } void bna_tx_cleanup_complete(struct bna_tx *tx) { bfa_fsm_send_event(tx, TX_E_CLEANUP_DONE); } static void bna_tx_mod_cb_tx_stopped(void *arg, struct bna_tx *tx) { struct bna_tx_mod *tx_mod = (struct bna_tx_mod *)arg; bfa_wc_down(&tx_mod->tx_stop_wc); } static void bna_tx_mod_cb_tx_stopped_all(void *arg) { struct bna_tx_mod *tx_mod = (struct bna_tx_mod *)arg; if (tx_mod->stop_cbfn) tx_mod->stop_cbfn(&tx_mod->bna->enet); tx_mod->stop_cbfn = NULL; } void bna_tx_mod_init(struct bna_tx_mod *tx_mod, struct bna *bna, struct bna_res_info *res_info) { int i; tx_mod->bna = bna; tx_mod->flags = 0; tx_mod->tx = (struct bna_tx *) res_info[BNA_MOD_RES_MEM_T_TX_ARRAY].res_u.mem_info.mdl[0].kva; tx_mod->txq = (struct bna_txq *) res_info[BNA_MOD_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.mdl[0].kva; INIT_LIST_HEAD(&tx_mod->tx_free_q); INIT_LIST_HEAD(&tx_mod->tx_active_q); INIT_LIST_HEAD(&tx_mod->txq_free_q); for (i = 0; i < bna->ioceth.attr.num_txq; i++) { tx_mod->tx[i].rid = i; list_add_tail(&tx_mod->tx[i].qe, &tx_mod->tx_free_q); list_add_tail(&tx_mod->txq[i].qe, &tx_mod->txq_free_q); } tx_mod->prio_map = BFI_TX_PRIO_MAP_ALL; tx_mod->default_prio = 0; tx_mod->iscsi_over_cee = BNA_STATUS_T_DISABLED; tx_mod->iscsi_prio = -1; } void bna_tx_mod_uninit(struct bna_tx_mod *tx_mod) { tx_mod->bna = NULL; } void bna_tx_mod_start(struct bna_tx_mod *tx_mod, enum bna_tx_type type) { struct bna_tx *tx; tx_mod->flags |= BNA_TX_MOD_F_ENET_STARTED; if (type == BNA_TX_T_LOOPBACK) tx_mod->flags |= BNA_TX_MOD_F_ENET_LOOPBACK; list_for_each_entry(tx, &tx_mod->tx_active_q, qe) if (tx->type == type) bna_tx_start(tx); } void bna_tx_mod_stop(struct bna_tx_mod *tx_mod, enum bna_tx_type type) { struct bna_tx *tx; tx_mod->flags &= ~BNA_TX_MOD_F_ENET_STARTED; tx_mod->flags &= ~BNA_TX_MOD_F_ENET_LOOPBACK; tx_mod->stop_cbfn = bna_enet_cb_tx_stopped; bfa_wc_init(&tx_mod->tx_stop_wc, bna_tx_mod_cb_tx_stopped_all, tx_mod); list_for_each_entry(tx, &tx_mod->tx_active_q, qe) if (tx->type == type) { bfa_wc_up(&tx_mod->tx_stop_wc); bna_tx_stop(tx); } bfa_wc_wait(&tx_mod->tx_stop_wc); } void bna_tx_mod_fail(struct bna_tx_mod *tx_mod) { struct bna_tx *tx; tx_mod->flags &= ~BNA_TX_MOD_F_ENET_STARTED; tx_mod->flags &= ~BNA_TX_MOD_F_ENET_LOOPBACK; list_for_each_entry(tx, &tx_mod->tx_active_q, qe) bna_tx_fail(tx); } void bna_tx_coalescing_timeo_set(struct bna_tx *tx, int coalescing_timeo) { struct bna_txq *txq; list_for_each_entry(txq, &tx->txq_q, qe) bna_ib_coalescing_timeo_set(&txq->ib, coalescing_timeo); }
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