diff options
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_ll2.c')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_ll2.c | 557 |
1 files changed, 529 insertions, 28 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_ll2.c b/drivers/net/ethernet/qlogic/qed/qed_ll2.c index 63e1a1b0ef8e..8e5cb7605b0f 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_ll2.c +++ b/drivers/net/ethernet/qlogic/qed/qed_ll2.c @@ -36,6 +36,7 @@ #include "qed_int.h" #include "qed_ll2.h" #include "qed_mcp.h" +#include "qed_ooo.h" #include "qed_reg_addr.h" #include "qed_sp.h" #include "qed_roce.h" @@ -296,25 +297,34 @@ static void qed_ll2_txq_flush(struct qed_hwfn *p_hwfn, u8 connection_handle) list_del(&p_pkt->list_entry); b_last_packet = list_empty(&p_tx->active_descq); list_add_tail(&p_pkt->list_entry, &p_tx->free_descq); - p_tx->cur_completing_packet = *p_pkt; - p_tx->cur_completing_bd_idx = 1; - b_last_frag = p_tx->cur_completing_bd_idx == p_pkt->bd_used; - tx_frag = p_pkt->bds_set[0].tx_frag; - if (p_ll2_conn->gsi_enable) - qed_ll2b_release_tx_gsi_packet(p_hwfn, - p_ll2_conn->my_id, - p_pkt->cookie, - tx_frag, - b_last_frag, - b_last_packet); - else - qed_ll2b_complete_tx_packet(p_hwfn, - p_ll2_conn->my_id, - p_pkt->cookie, - tx_frag, - b_last_frag, - b_last_packet); + if (p_ll2_conn->conn_type == QED_LL2_TYPE_ISCSI_OOO) { + struct qed_ooo_buffer *p_buffer; + p_buffer = (struct qed_ooo_buffer *)p_pkt->cookie; + qed_ooo_put_free_buffer(p_hwfn, p_hwfn->p_ooo_info, + p_buffer); + } else { + p_tx->cur_completing_packet = *p_pkt; + p_tx->cur_completing_bd_idx = 1; + b_last_frag = + p_tx->cur_completing_bd_idx == p_pkt->bd_used; + tx_frag = p_pkt->bds_set[0].tx_frag; + if (p_ll2_conn->gsi_enable) + qed_ll2b_release_tx_gsi_packet(p_hwfn, + p_ll2_conn-> + my_id, + p_pkt->cookie, + tx_frag, + b_last_frag, + b_last_packet); + else + qed_ll2b_complete_tx_packet(p_hwfn, + p_ll2_conn->my_id, + p_pkt->cookie, + tx_frag, + b_last_frag, + b_last_packet); + } } } @@ -540,12 +550,457 @@ static void qed_ll2_rxq_flush(struct qed_hwfn *p_hwfn, u8 connection_handle) list_move_tail(&p_pkt->list_entry, &p_rx->free_descq); - rx_buf_addr = p_pkt->rx_buf_addr; - cookie = p_pkt->cookie; + if (p_ll2_conn->conn_type == QED_LL2_TYPE_ISCSI_OOO) { + struct qed_ooo_buffer *p_buffer; + + p_buffer = (struct qed_ooo_buffer *)p_pkt->cookie; + qed_ooo_put_free_buffer(p_hwfn, p_hwfn->p_ooo_info, + p_buffer); + } else { + rx_buf_addr = p_pkt->rx_buf_addr; + cookie = p_pkt->cookie; + + b_last = list_empty(&p_rx->active_descq); + } + } +} + +#if IS_ENABLED(CONFIG_QED_ISCSI) +static u8 qed_ll2_convert_rx_parse_to_tx_flags(u16 parse_flags) +{ + u8 bd_flags = 0; + + if (GET_FIELD(parse_flags, PARSING_AND_ERR_FLAGS_TAG8021QEXIST)) + SET_FIELD(bd_flags, CORE_TX_BD_FLAGS_VLAN_INSERTION, 1); + + return bd_flags; +} + +static int qed_ll2_lb_rxq_handler(struct qed_hwfn *p_hwfn, + struct qed_ll2_info *p_ll2_conn) +{ + struct qed_ll2_rx_queue *p_rx = &p_ll2_conn->rx_queue; + u16 packet_length = 0, parse_flags = 0, vlan = 0; + struct qed_ll2_rx_packet *p_pkt = NULL; + u32 num_ooo_add_to_peninsula = 0, cid; + union core_rx_cqe_union *cqe = NULL; + u16 cq_new_idx = 0, cq_old_idx = 0; + struct qed_ooo_buffer *p_buffer; + struct ooo_opaque *iscsi_ooo; + u8 placement_offset = 0; + u8 cqe_type; + + cq_new_idx = le16_to_cpu(*p_rx->p_fw_cons); + cq_old_idx = qed_chain_get_cons_idx(&p_rx->rcq_chain); + if (cq_new_idx == cq_old_idx) + return 0; + + while (cq_new_idx != cq_old_idx) { + struct core_rx_fast_path_cqe *p_cqe_fp; + + cqe = qed_chain_consume(&p_rx->rcq_chain); + cq_old_idx = qed_chain_get_cons_idx(&p_rx->rcq_chain); + cqe_type = cqe->rx_cqe_sp.type; + + if (cqe_type != CORE_RX_CQE_TYPE_REGULAR) { + DP_NOTICE(p_hwfn, + "Got a non-regular LB LL2 completion [type 0x%02x]\n", + cqe_type); + return -EINVAL; + } + p_cqe_fp = &cqe->rx_cqe_fp; + + placement_offset = p_cqe_fp->placement_offset; + parse_flags = le16_to_cpu(p_cqe_fp->parse_flags.flags); + packet_length = le16_to_cpu(p_cqe_fp->packet_length); + vlan = le16_to_cpu(p_cqe_fp->vlan); + iscsi_ooo = (struct ooo_opaque *)&p_cqe_fp->opaque_data; + qed_ooo_save_history_entry(p_hwfn, p_hwfn->p_ooo_info, + iscsi_ooo); + cid = le32_to_cpu(iscsi_ooo->cid); + + /* Process delete isle first */ + if (iscsi_ooo->drop_size) + qed_ooo_delete_isles(p_hwfn, p_hwfn->p_ooo_info, cid, + iscsi_ooo->drop_isle, + iscsi_ooo->drop_size); + + if (iscsi_ooo->ooo_opcode == TCP_EVENT_NOP) + continue; + + /* Now process create/add/join isles */ + if (list_empty(&p_rx->active_descq)) { + DP_NOTICE(p_hwfn, + "LL2 OOO RX chain has no submitted buffers\n" + ); + return -EIO; + } + + p_pkt = list_first_entry(&p_rx->active_descq, + struct qed_ll2_rx_packet, list_entry); + + if ((iscsi_ooo->ooo_opcode == TCP_EVENT_ADD_NEW_ISLE) || + (iscsi_ooo->ooo_opcode == TCP_EVENT_ADD_ISLE_RIGHT) || + (iscsi_ooo->ooo_opcode == TCP_EVENT_ADD_ISLE_LEFT) || + (iscsi_ooo->ooo_opcode == TCP_EVENT_ADD_PEN) || + (iscsi_ooo->ooo_opcode == TCP_EVENT_JOIN)) { + if (!p_pkt) { + DP_NOTICE(p_hwfn, + "LL2 OOO RX packet is not valid\n"); + return -EIO; + } + list_del(&p_pkt->list_entry); + p_buffer = (struct qed_ooo_buffer *)p_pkt->cookie; + p_buffer->packet_length = packet_length; + p_buffer->parse_flags = parse_flags; + p_buffer->vlan = vlan; + p_buffer->placement_offset = placement_offset; + qed_chain_consume(&p_rx->rxq_chain); + list_add_tail(&p_pkt->list_entry, &p_rx->free_descq); + + switch (iscsi_ooo->ooo_opcode) { + case TCP_EVENT_ADD_NEW_ISLE: + qed_ooo_add_new_isle(p_hwfn, + p_hwfn->p_ooo_info, + cid, + iscsi_ooo->ooo_isle, + p_buffer); + break; + case TCP_EVENT_ADD_ISLE_RIGHT: + qed_ooo_add_new_buffer(p_hwfn, + p_hwfn->p_ooo_info, + cid, + iscsi_ooo->ooo_isle, + p_buffer, + QED_OOO_RIGHT_BUF); + break; + case TCP_EVENT_ADD_ISLE_LEFT: + qed_ooo_add_new_buffer(p_hwfn, + p_hwfn->p_ooo_info, + cid, + iscsi_ooo->ooo_isle, + p_buffer, + QED_OOO_LEFT_BUF); + break; + case TCP_EVENT_JOIN: + qed_ooo_add_new_buffer(p_hwfn, + p_hwfn->p_ooo_info, + cid, + iscsi_ooo->ooo_isle + + 1, + p_buffer, + QED_OOO_LEFT_BUF); + qed_ooo_join_isles(p_hwfn, + p_hwfn->p_ooo_info, + cid, iscsi_ooo->ooo_isle); + break; + case TCP_EVENT_ADD_PEN: + num_ooo_add_to_peninsula++; + qed_ooo_put_ready_buffer(p_hwfn, + p_hwfn->p_ooo_info, + p_buffer, true); + break; + } + } else { + DP_NOTICE(p_hwfn, + "Unexpected event (%d) TX OOO completion\n", + iscsi_ooo->ooo_opcode); + } + } + + return 0; +} + +static void +qed_ooo_submit_tx_buffers(struct qed_hwfn *p_hwfn, + struct qed_ll2_info *p_ll2_conn) +{ + struct qed_ooo_buffer *p_buffer; + int rc; + u16 l4_hdr_offset_w; + dma_addr_t first_frag; + u16 parse_flags; + u8 bd_flags; + + /* Submit Tx buffers here */ + while ((p_buffer = qed_ooo_get_ready_buffer(p_hwfn, + p_hwfn->p_ooo_info))) { + l4_hdr_offset_w = 0; + bd_flags = 0; + + first_frag = p_buffer->rx_buffer_phys_addr + + p_buffer->placement_offset; + parse_flags = p_buffer->parse_flags; + bd_flags = qed_ll2_convert_rx_parse_to_tx_flags(parse_flags); + SET_FIELD(bd_flags, CORE_TX_BD_FLAGS_FORCE_VLAN_MODE, 1); + SET_FIELD(bd_flags, CORE_TX_BD_FLAGS_L4_PROTOCOL, 1); + + rc = qed_ll2_prepare_tx_packet(p_hwfn, p_ll2_conn->my_id, 1, + p_buffer->vlan, bd_flags, + l4_hdr_offset_w, + p_ll2_conn->tx_dest, 0, + first_frag, + p_buffer->packet_length, + p_buffer, true); + if (rc) { + qed_ooo_put_ready_buffer(p_hwfn, p_hwfn->p_ooo_info, + p_buffer, false); + break; + } + } +} + +static void +qed_ooo_submit_rx_buffers(struct qed_hwfn *p_hwfn, + struct qed_ll2_info *p_ll2_conn) +{ + struct qed_ooo_buffer *p_buffer; + int rc; + + while ((p_buffer = qed_ooo_get_free_buffer(p_hwfn, + p_hwfn->p_ooo_info))) { + rc = qed_ll2_post_rx_buffer(p_hwfn, + p_ll2_conn->my_id, + p_buffer->rx_buffer_phys_addr, + 0, p_buffer, true); + if (rc) { + qed_ooo_put_free_buffer(p_hwfn, + p_hwfn->p_ooo_info, p_buffer); + break; + } + } +} + +static int qed_ll2_lb_rxq_completion(struct qed_hwfn *p_hwfn, void *p_cookie) +{ + struct qed_ll2_info *p_ll2_conn = (struct qed_ll2_info *)p_cookie; + int rc; + + rc = qed_ll2_lb_rxq_handler(p_hwfn, p_ll2_conn); + if (rc) + return rc; + + qed_ooo_submit_rx_buffers(p_hwfn, p_ll2_conn); + qed_ooo_submit_tx_buffers(p_hwfn, p_ll2_conn); + + return 0; +} + +static int qed_ll2_lb_txq_completion(struct qed_hwfn *p_hwfn, void *p_cookie) +{ + struct qed_ll2_info *p_ll2_conn = (struct qed_ll2_info *)p_cookie; + struct qed_ll2_tx_queue *p_tx = &p_ll2_conn->tx_queue; + struct qed_ll2_tx_packet *p_pkt = NULL; + struct qed_ooo_buffer *p_buffer; + bool b_dont_submit_rx = false; + u16 new_idx = 0, num_bds = 0; + int rc; + + new_idx = le16_to_cpu(*p_tx->p_fw_cons); + num_bds = ((s16)new_idx - (s16)p_tx->bds_idx); + + if (!num_bds) + return 0; + + while (num_bds) { + if (list_empty(&p_tx->active_descq)) + return -EINVAL; + + p_pkt = list_first_entry(&p_tx->active_descq, + struct qed_ll2_tx_packet, list_entry); + if (!p_pkt) + return -EINVAL; + + if (p_pkt->bd_used != 1) { + DP_NOTICE(p_hwfn, + "Unexpectedly many BDs(%d) in TX OOO completion\n", + p_pkt->bd_used); + return -EINVAL; + } + + list_del(&p_pkt->list_entry); + + num_bds--; + p_tx->bds_idx++; + qed_chain_consume(&p_tx->txq_chain); + + p_buffer = (struct qed_ooo_buffer *)p_pkt->cookie; + list_add_tail(&p_pkt->list_entry, &p_tx->free_descq); + + if (b_dont_submit_rx) { + qed_ooo_put_free_buffer(p_hwfn, p_hwfn->p_ooo_info, + p_buffer); + continue; + } + + rc = qed_ll2_post_rx_buffer(p_hwfn, p_ll2_conn->my_id, + p_buffer->rx_buffer_phys_addr, 0, + p_buffer, true); + if (rc != 0) { + qed_ooo_put_free_buffer(p_hwfn, + p_hwfn->p_ooo_info, p_buffer); + b_dont_submit_rx = true; + } + } + + qed_ooo_submit_tx_buffers(p_hwfn, p_ll2_conn); + + return 0; +} + +static int +qed_ll2_acquire_connection_ooo(struct qed_hwfn *p_hwfn, + struct qed_ll2_info *p_ll2_info, + u16 rx_num_ooo_buffers, u16 mtu) +{ + struct qed_ooo_buffer *p_buf = NULL; + void *p_virt; + u16 buf_idx; + int rc = 0; + + if (p_ll2_info->conn_type != QED_LL2_TYPE_ISCSI_OOO) + return rc; + + if (!rx_num_ooo_buffers) + return -EINVAL; + + for (buf_idx = 0; buf_idx < rx_num_ooo_buffers; buf_idx++) { + p_buf = kzalloc(sizeof(*p_buf), GFP_KERNEL); + if (!p_buf) { + rc = -ENOMEM; + goto out; + } + + p_buf->rx_buffer_size = mtu + 26 + ETH_CACHE_LINE_SIZE; + p_buf->rx_buffer_size = (p_buf->rx_buffer_size + + ETH_CACHE_LINE_SIZE - 1) & + ~(ETH_CACHE_LINE_SIZE - 1); + p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, + p_buf->rx_buffer_size, + &p_buf->rx_buffer_phys_addr, + GFP_KERNEL); + if (!p_virt) { + kfree(p_buf); + rc = -ENOMEM; + goto out; + } + + p_buf->rx_buffer_virt_addr = p_virt; + qed_ooo_put_free_buffer(p_hwfn, p_hwfn->p_ooo_info, p_buf); + } + + DP_VERBOSE(p_hwfn, QED_MSG_LL2, + "Allocated [%04x] LL2 OOO buffers [each of size 0x%08x]\n", + rx_num_ooo_buffers, p_buf->rx_buffer_size); + +out: + return rc; +} + +static void +qed_ll2_establish_connection_ooo(struct qed_hwfn *p_hwfn, + struct qed_ll2_info *p_ll2_conn) +{ + if (p_ll2_conn->conn_type != QED_LL2_TYPE_ISCSI_OOO) + return; + + qed_ooo_release_all_isles(p_hwfn, p_hwfn->p_ooo_info); + qed_ooo_submit_rx_buffers(p_hwfn, p_ll2_conn); +} + +static void qed_ll2_release_connection_ooo(struct qed_hwfn *p_hwfn, + struct qed_ll2_info *p_ll2_conn) +{ + struct qed_ooo_buffer *p_buffer; + + if (p_ll2_conn->conn_type != QED_LL2_TYPE_ISCSI_OOO) + return; + + qed_ooo_release_all_isles(p_hwfn, p_hwfn->p_ooo_info); + while ((p_buffer = qed_ooo_get_free_buffer(p_hwfn, + p_hwfn->p_ooo_info))) { + dma_free_coherent(&p_hwfn->cdev->pdev->dev, + p_buffer->rx_buffer_size, + p_buffer->rx_buffer_virt_addr, + p_buffer->rx_buffer_phys_addr); + kfree(p_buffer); + } +} + +static void qed_ll2_stop_ooo(struct qed_dev *cdev) +{ + struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); + u8 *handle = &hwfn->pf_params.iscsi_pf_params.ll2_ooo_queue_id; + + DP_VERBOSE(cdev, QED_MSG_STORAGE, "Stopping LL2 OOO queue [%02x]\n", + *handle); + + qed_ll2_terminate_connection(hwfn, *handle); + qed_ll2_release_connection(hwfn, *handle); + *handle = QED_LL2_UNUSED_HANDLE; +} + +static int qed_ll2_start_ooo(struct qed_dev *cdev, + struct qed_ll2_params *params) +{ + struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); + u8 *handle = &hwfn->pf_params.iscsi_pf_params.ll2_ooo_queue_id; + struct qed_ll2_info *ll2_info; + int rc; + + ll2_info = kzalloc(sizeof(*ll2_info), GFP_KERNEL); + if (!ll2_info) + return -ENOMEM; + ll2_info->conn_type = QED_LL2_TYPE_ISCSI_OOO; + ll2_info->mtu = params->mtu; + ll2_info->rx_drop_ttl0_flg = params->drop_ttl0_packets; + ll2_info->rx_vlan_removal_en = params->rx_vlan_stripping; + ll2_info->tx_tc = OOO_LB_TC; + ll2_info->tx_dest = CORE_TX_DEST_LB; + + rc = qed_ll2_acquire_connection(hwfn, ll2_info, + QED_LL2_RX_SIZE, QED_LL2_TX_SIZE, + handle); + kfree(ll2_info); + if (rc) { + DP_INFO(cdev, "Failed to acquire LL2 OOO connection\n"); + goto out; + } - b_last = list_empty(&p_rx->active_descq); + rc = qed_ll2_establish_connection(hwfn, *handle); + if (rc) { + DP_INFO(cdev, "Failed to establist LL2 OOO connection\n"); + goto fail; } + + return 0; + +fail: + qed_ll2_release_connection(hwfn, *handle); +out: + *handle = QED_LL2_UNUSED_HANDLE; + return rc; } +#else /* IS_ENABLED(CONFIG_QED_ISCSI) */ +static int qed_ll2_lb_rxq_completion(struct qed_hwfn *p_hwfn, + void *p_cookie) { return -EINVAL; } +static int qed_ll2_lb_txq_completion(struct qed_hwfn *p_hwfn, + void *p_cookie) { return -EINVAL; } +static inline int +qed_ll2_acquire_connection_ooo(struct qed_hwfn *p_hwfn, + struct qed_ll2_info *p_ll2_info, + u16 rx_num_ooo_buffers, u16 mtu) { return 0; } +static inline void +qed_ll2_establish_connection_ooo(struct qed_hwfn *p_hwfn, + struct qed_ll2_info *p_ll2_conn) { return; } +static inline void +qed_ll2_release_connection_ooo(struct qed_hwfn *p_hwfn, + struct qed_ll2_info *p_ll2_conn) { return; } +static inline void qed_ll2_stop_ooo(struct qed_dev *cdev) { return; } +static inline int qed_ll2_start_ooo(struct qed_dev *cdev, + struct qed_ll2_params *params) + { return -EINVAL; } +#endif /* IS_ENABLED(CONFIG_QED_ISCSI) */ static int qed_sp_ll2_rx_queue_start(struct qed_hwfn *p_hwfn, struct qed_ll2_info *p_ll2_conn, @@ -588,7 +1043,8 @@ static int qed_sp_ll2_rx_queue_start(struct qed_hwfn *p_hwfn, p_ramrod->drop_ttl0_flg = p_ll2_conn->rx_drop_ttl0_flg; p_ramrod->inner_vlan_removal_en = p_ll2_conn->rx_vlan_removal_en; p_ramrod->queue_id = p_ll2_conn->queue_id; - p_ramrod->main_func_queue = 1; + p_ramrod->main_func_queue = (conn_type == QED_LL2_TYPE_ISCSI_OOO) ? 0 + : 1; if ((IS_MF_DEFAULT(p_hwfn) || IS_MF_SI(p_hwfn)) && p_ramrod->main_func_queue && (conn_type != QED_LL2_TYPE_ROCE)) { @@ -619,6 +1075,11 @@ static int qed_sp_ll2_tx_queue_start(struct qed_hwfn *p_hwfn, if (!QED_LL2_TX_REGISTERED(p_ll2_conn)) return 0; + if (p_ll2_conn->conn_type == QED_LL2_TYPE_ISCSI_OOO) + p_ll2_conn->tx_stats_en = 0; + else + p_ll2_conn->tx_stats_en = 1; + /* Get SPQ entry */ memset(&init_data, 0, sizeof(init_data)); init_data.cid = p_ll2_conn->cid; @@ -636,7 +1097,6 @@ static int qed_sp_ll2_tx_queue_start(struct qed_hwfn *p_hwfn, p_ramrod->sb_id = cpu_to_le16(qed_int_get_sp_sb_id(p_hwfn)); p_ramrod->sb_index = p_tx->tx_sb_index; p_ramrod->mtu = cpu_to_le16(p_ll2_conn->mtu); - p_ll2_conn->tx_stats_en = 1; p_ramrod->stats_en = p_ll2_conn->tx_stats_en; p_ramrod->stats_id = p_ll2_conn->tx_stats_id; @@ -860,9 +1320,19 @@ int qed_ll2_acquire_connection(struct qed_hwfn *p_hwfn, if (rc) goto q_allocate_fail; + rc = qed_ll2_acquire_connection_ooo(p_hwfn, p_ll2_info, + rx_num_desc * 2, p_params->mtu); + if (rc) + goto q_allocate_fail; + /* Register callbacks for the Rx/Tx queues */ - comp_rx_cb = qed_ll2_rxq_completion; - comp_tx_cb = qed_ll2_txq_completion; + if (p_params->conn_type == QED_LL2_TYPE_ISCSI_OOO) { + comp_rx_cb = qed_ll2_lb_rxq_completion; + comp_tx_cb = qed_ll2_lb_txq_completion; + } else { + comp_rx_cb = qed_ll2_rxq_completion; + comp_tx_cb = qed_ll2_txq_completion; + } if (rx_num_desc) { qed_int_register_cb(p_hwfn, comp_rx_cb, @@ -975,6 +1445,8 @@ int qed_ll2_establish_connection(struct qed_hwfn *p_hwfn, u8 connection_handle) if (p_hwfn->hw_info.personality != QED_PCI_ETH_ROCE) qed_wr(p_hwfn, p_hwfn->p_main_ptt, PRS_REG_USE_LIGHT_L2, 1); + qed_ll2_establish_connection_ooo(p_hwfn, p_ll2_conn); + return rc; } @@ -1119,6 +1591,7 @@ static void qed_ll2_prepare_tx_packet_set_bd(struct qed_hwfn *p_hwfn, start_bd->bd_flags.as_bitfield |= CORE_TX_BD_FLAGS_START_BD_MASK << CORE_TX_BD_FLAGS_START_BD_SHIFT; SET_FIELD(start_bd->bitfield0, CORE_TX_BD_NBDS, num_of_bds); + SET_FIELD(start_bd->bitfield0, CORE_TX_BD_ROCE_FLAV, type); DMA_REGPAIR_LE(start_bd->addr, first_frag); start_bd->nbytes = cpu_to_le16(first_frag_len); @@ -1212,6 +1685,7 @@ int qed_ll2_prepare_tx_packet(struct qed_hwfn *p_hwfn, u16 vlan, u8 bd_flags, u16 l4_hdr_offset_w, + enum qed_ll2_tx_dest e_tx_dest, enum qed_ll2_roce_flavor_type qed_roce_flavor, dma_addr_t first_frag, u16 first_frag_len, void *cookie, u8 notify_fw) @@ -1221,6 +1695,7 @@ int qed_ll2_prepare_tx_packet(struct qed_hwfn *p_hwfn, enum core_roce_flavor_type roce_flavor; struct qed_ll2_tx_queue *p_tx; struct qed_chain *p_tx_chain; + enum core_tx_dest tx_dest; unsigned long flags; int rc = 0; @@ -1251,6 +1726,8 @@ int qed_ll2_prepare_tx_packet(struct qed_hwfn *p_hwfn, goto out; } + tx_dest = e_tx_dest == QED_LL2_TX_DEST_NW ? CORE_TX_DEST_NW : + CORE_TX_DEST_LB; if (qed_roce_flavor == QED_LL2_ROCE) { roce_flavor = CORE_ROCE; } else if (qed_roce_flavor == QED_LL2_RROCE) { @@ -1265,7 +1742,7 @@ int qed_ll2_prepare_tx_packet(struct qed_hwfn *p_hwfn, num_of_bds, first_frag, first_frag_len, cookie, notify_fw); qed_ll2_prepare_tx_packet_set_bd(p_hwfn, p_ll2_conn, p_curp, - num_of_bds, CORE_TX_DEST_NW, + num_of_bds, tx_dest, vlan, bd_flags, l4_hdr_offset_w, roce_flavor, first_frag, first_frag_len); @@ -1340,6 +1817,9 @@ int qed_ll2_terminate_connection(struct qed_hwfn *p_hwfn, u8 connection_handle) qed_ll2_rxq_flush(p_hwfn, connection_handle); } + if (p_ll2_conn->conn_type == QED_LL2_TYPE_ISCSI_OOO) + qed_ooo_release_all_isles(p_hwfn, p_hwfn->p_ooo_info); + return rc; } @@ -1370,6 +1850,8 @@ void qed_ll2_release_connection(struct qed_hwfn *p_hwfn, u8 connection_handle) qed_cxt_release_cid(p_hwfn, p_ll2_conn->cid); + qed_ll2_release_connection_ooo(p_hwfn, p_ll2_conn); + mutex_lock(&p_ll2_conn->mutex); p_ll2_conn->b_active = false; mutex_unlock(&p_ll2_conn->mutex); @@ -1516,6 +1998,7 @@ static int qed_ll2_start(struct qed_dev *cdev, struct qed_ll2_params *params) enum qed_ll2_conn_type conn_type; struct qed_ptt *p_ptt; int rc, i; + u8 gsi_enable = 1; /* Initialize LL2 locks & lists */ INIT_LIST_HEAD(&cdev->ll2->list); @@ -1547,6 +2030,7 @@ static int qed_ll2_start(struct qed_dev *cdev, struct qed_ll2_params *params) switch (QED_LEADING_HWFN(cdev)->hw_info.personality) { case QED_PCI_ISCSI: conn_type = QED_LL2_TYPE_ISCSI; + gsi_enable = 0; break; case QED_PCI_ETH_ROCE: conn_type = QED_LL2_TYPE_ROCE; @@ -1563,7 +2047,7 @@ static int qed_ll2_start(struct qed_dev *cdev, struct qed_ll2_params *params) ll2_info.rx_vlan_removal_en = params->rx_vlan_stripping; ll2_info.tx_tc = 0; ll2_info.tx_dest = CORE_TX_DEST_NW; - ll2_info.gsi_enable = 1; + ll2_info.gsi_enable = gsi_enable; rc = qed_ll2_acquire_connection(QED_LEADING_HWFN(cdev), &ll2_info, QED_LL2_RX_SIZE, QED_LL2_TX_SIZE, @@ -1610,6 +2094,17 @@ static int qed_ll2_start(struct qed_dev *cdev, struct qed_ll2_params *params) goto release_terminate; } + if (cdev->hwfns[0].hw_info.personality == QED_PCI_ISCSI && + cdev->hwfns[0].pf_params.iscsi_pf_params.ooo_enable) { + DP_VERBOSE(cdev, QED_MSG_STORAGE, "Starting OOO LL2 queue\n"); + rc = qed_ll2_start_ooo(cdev, params); + if (rc) { + DP_INFO(cdev, + "Failed to initialize the OOO LL2 queue\n"); + goto release_terminate; + } + } + p_ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev)); if (!p_ptt) { DP_INFO(cdev, "Failed to acquire PTT\n"); @@ -1659,6 +2154,10 @@ static int qed_ll2_stop(struct qed_dev *cdev) qed_ptt_release(QED_LEADING_HWFN(cdev), p_ptt); eth_zero_addr(cdev->ll2_mac_address); + if (cdev->hwfns[0].hw_info.personality == QED_PCI_ISCSI && + cdev->hwfns[0].pf_params.iscsi_pf_params.ooo_enable) + qed_ll2_stop_ooo(cdev); + rc = qed_ll2_terminate_connection(QED_LEADING_HWFN(cdev), cdev->ll2->handle); if (rc) @@ -1713,7 +2212,8 @@ static int qed_ll2_start_xmit(struct qed_dev *cdev, struct sk_buff *skb) rc = qed_ll2_prepare_tx_packet(QED_LEADING_HWFN(cdev), cdev->ll2->handle, 1 + skb_shinfo(skb)->nr_frags, - vlan, flags, 0, 0 /* RoCE FLAVOR */, + vlan, flags, 0, QED_LL2_TX_DEST_NW, + 0 /* RoCE FLAVOR */, mapping, skb->len, skb, 1); if (rc) goto err; @@ -1729,6 +2229,7 @@ static int qed_ll2_start_xmit(struct qed_dev *cdev, struct sk_buff *skb) mapping))) { DP_NOTICE(cdev, "Unable to map frag - dropping packet\n"); + rc = -ENOMEM; goto err; } } else { |