X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fnet%2Focteontx2%2Fotx2_ethdev.c;h=ed329273dc764ee57b761414288b576db838320b;hb=c2c0aa75cd0170cc243baf267622f7c3c5309fd5;hp=92f008b690f370849a6fbc8db1ec6a264075be14;hpb=1be5cff1fa0a0f3818c71f25376a95d236b68a63;p=dpdk.git diff --git a/drivers/net/octeontx2/otx2_ethdev.c b/drivers/net/octeontx2/otx2_ethdev.c index 92f008b690..ed329273dc 100644 --- a/drivers/net/octeontx2/otx2_ethdev.c +++ b/drivers/net/octeontx2/otx2_ethdev.c @@ -3,7 +3,6 @@ */ #include -#include #include #include @@ -14,18 +13,6 @@ #include "otx2_ethdev.h" -static inline void -otx2_eth_set_rx_function(struct rte_eth_dev *eth_dev) -{ - RTE_SET_USED(eth_dev); -} - -static inline void -otx2_eth_set_tx_function(struct rte_eth_dev *eth_dev) -{ - RTE_SET_USED(eth_dev); -} - static inline uint64_t nix_get_rx_offload_capa(struct otx2_eth_dev *dev) { @@ -40,13 +27,20 @@ nix_get_rx_offload_capa(struct otx2_eth_dev *dev) static inline uint64_t nix_get_tx_offload_capa(struct otx2_eth_dev *dev) { - RTE_SET_USED(dev); - - return NIX_TX_OFFLOAD_CAPA; + uint64_t capa = NIX_TX_OFFLOAD_CAPA; + + /* TSO not supported for earlier chip revisions */ + if (otx2_dev_is_96xx_A0(dev) || otx2_dev_is_95xx_Ax(dev)) + capa &= ~(DEV_TX_OFFLOAD_TCP_TSO | + DEV_TX_OFFLOAD_VXLAN_TNL_TSO | + DEV_TX_OFFLOAD_GENEVE_TNL_TSO | + DEV_TX_OFFLOAD_GRE_TNL_TSO); + return capa; } static const struct otx2_dev_ops otx2_dev_ops = { .link_status_update = otx2_eth_dev_link_status_update, + .ptp_info_update = otx2_eth_dev_ptp_info_update }; static int @@ -74,6 +68,7 @@ nix_lf_alloc(struct otx2_eth_dev *dev, uint32_t nb_rxq, uint32_t nb_txq) req->rx_cfg |= BIT_ULL(37 /* CSUM_OL4 */); req->rx_cfg |= BIT_ULL(36 /* CSUM_IL4 */); } + req->rx_cfg |= BIT_ULL(32 /* DROP_RE */); rc = otx2_mbox_process_msg(mbox, (void *)&rsp); if (rc) @@ -91,10 +86,35 @@ nix_lf_alloc(struct otx2_eth_dev *dev, uint32_t nb_rxq, uint32_t nb_txq) dev->cints = rsp->cints; dev->qints = rsp->qints; dev->npc_flow.channel = dev->rx_chan_base; + dev->ptp_en = rsp->hw_rx_tstamp_en; return 0; } +static int +nix_lf_switch_header_type_enable(struct otx2_eth_dev *dev) +{ + struct otx2_mbox *mbox = dev->mbox; + struct npc_set_pkind *req; + struct msg_resp *rsp; + int rc; + + if (dev->npc_flow.switch_header_type == 0) + return 0; + + /* Notify AF about higig2 config */ + req = otx2_mbox_alloc_msg_npc_set_pkind(mbox); + req->mode = dev->npc_flow.switch_header_type; + req->dir = PKIND_RX; + rc = otx2_mbox_process_msg(mbox, (void *)&rsp); + if (rc) + return rc; + req = otx2_mbox_alloc_msg_npc_set_pkind(mbox); + req->mode = dev->npc_flow.switch_header_type; + req->dir = PKIND_TX; + return otx2_mbox_process_msg(mbox, (void *)&rsp); +} + static int nix_lf_free(struct otx2_eth_dev *dev) { @@ -120,6 +140,94 @@ nix_lf_free(struct otx2_eth_dev *dev) return otx2_mbox_process(mbox); } +int +otx2_cgx_rxtx_start(struct otx2_eth_dev *dev) +{ + struct otx2_mbox *mbox = dev->mbox; + + if (otx2_dev_is_vf_or_sdp(dev)) + return 0; + + otx2_mbox_alloc_msg_cgx_start_rxtx(mbox); + + return otx2_mbox_process(mbox); +} + +int +otx2_cgx_rxtx_stop(struct otx2_eth_dev *dev) +{ + struct otx2_mbox *mbox = dev->mbox; + + if (otx2_dev_is_vf_or_sdp(dev)) + return 0; + + otx2_mbox_alloc_msg_cgx_stop_rxtx(mbox); + + return otx2_mbox_process(mbox); +} + +static int +npc_rx_enable(struct otx2_eth_dev *dev) +{ + struct otx2_mbox *mbox = dev->mbox; + + otx2_mbox_alloc_msg_nix_lf_start_rx(mbox); + + return otx2_mbox_process(mbox); +} + +static int +npc_rx_disable(struct otx2_eth_dev *dev) +{ + struct otx2_mbox *mbox = dev->mbox; + + otx2_mbox_alloc_msg_nix_lf_stop_rx(mbox); + + return otx2_mbox_process(mbox); +} + +static int +nix_cgx_start_link_event(struct otx2_eth_dev *dev) +{ + struct otx2_mbox *mbox = dev->mbox; + + if (otx2_dev_is_vf_or_sdp(dev)) + return 0; + + otx2_mbox_alloc_msg_cgx_start_linkevents(mbox); + + return otx2_mbox_process(mbox); +} + +static int +cgx_intlbk_enable(struct otx2_eth_dev *dev, bool en) +{ + struct otx2_mbox *mbox = dev->mbox; + + if (otx2_dev_is_vf_or_sdp(dev)) + return -ENOTSUP; + + if (en) + otx2_mbox_alloc_msg_cgx_intlbk_enable(mbox); + else + otx2_mbox_alloc_msg_cgx_intlbk_disable(mbox); + + return otx2_mbox_process(mbox); +} + +static int +nix_cgx_stop_link_event(struct otx2_eth_dev *dev) +{ + struct otx2_mbox *mbox = dev->mbox; + + if (otx2_dev_is_vf_or_sdp(dev)) + return 0; + + otx2_mbox_alloc_msg_cgx_stop_linkevents(mbox); + + return otx2_mbox_process(mbox); +} + static inline void nix_rx_queue_reset(struct otx2_eth_rxq *rxq) { @@ -192,14 +300,29 @@ nix_cq_rq_init(struct rte_eth_dev *eth_dev, struct otx2_eth_dev *dev, /* Many to one reduction */ aq->cq.qint_idx = qid % dev->qints; + /* Map CQ0 [RQ0] to CINT0 and so on till max 64 irqs */ + aq->cq.cint_idx = qid; if (otx2_ethdev_fixup_is_limit_cq_full(dev)) { + const float rx_cq_skid = NIX_CQ_FULL_ERRATA_SKID; uint16_t min_rx_drop; - const float rx_cq_skid = 1024 * 256; min_rx_drop = ceil(rx_cq_skid / (float)cq_size); aq->cq.drop = min_rx_drop; aq->cq.drop_ena = 1; + rxq->cq_drop = min_rx_drop; + } else { + rxq->cq_drop = NIX_CQ_THRESH_LEVEL; + aq->cq.drop = rxq->cq_drop; + aq->cq.drop_ena = 1; + } + + /* TX pause frames enable flowctrl on RX side */ + if (dev->fc_info.tx_pause) { + /* Single bpid is allocated for all rx channels for now */ + aq->cq.bpid = dev->fc_info.bpid[0]; + aq->cq.bp = rxq->cq_drop; + aq->cq.bp_ena = 1; } rc = otx2_mbox_process(mbox); @@ -238,8 +361,7 @@ nix_cq_rq_init(struct rte_eth_dev *eth_dev, struct otx2_eth_dev *dev, /* Many to one reduction */ aq->rq.qint_idx = qid % dev->qints; - if (otx2_ethdev_fixup_is_limit_cq_full(dev)) - aq->rq.xqe_drop_ena = 1; + aq->rq.xqe_drop_ena = 1; rc = otx2_mbox_process(mbox); if (rc) { @@ -252,6 +374,26 @@ fail: return rc; } +static int +nix_rq_enb_dis(struct rte_eth_dev *eth_dev, + struct otx2_eth_rxq *rxq, const bool enb) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + struct otx2_mbox *mbox = dev->mbox; + struct nix_aq_enq_req *aq; + + /* Pkts will be dropped silently if RQ is disabled */ + aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox); + aq->qidx = rxq->rq; + aq->ctype = NIX_AQ_CTYPE_RQ; + aq->op = NIX_AQ_INSTOP_WRITE; + + aq->rq.ena = enb; + aq->rq_mask.ena = ~(aq->rq_mask.ena); + + return otx2_mbox_process(mbox); +} + static int nix_cq_rq_uninit(struct rte_eth_dev *eth_dev, struct otx2_eth_rxq *rxq) { @@ -282,9 +424,7 @@ nix_cq_rq_uninit(struct rte_eth_dev *eth_dev, struct otx2_eth_rxq *rxq) static inline int nix_get_data_off(struct otx2_eth_dev *dev) { - RTE_SET_USED(dev); - - return 0; + return otx2_ethdev_is_ptp_en(dev) ? NIX_TIMESYNC_RX_OFFSET : 0; } uint64_t @@ -395,6 +535,8 @@ otx2_nix_rx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t rq, rxq->pool = mp; rxq->qlen = nix_qsize_to_val(qsize); rxq->qsize = qsize; + rxq->lookup_mem = otx2_nix_fastpath_lookup_mem_get(); + rxq->tstamp = &dev->tstamp; /* Alloc completion queue */ rc = nix_cq_rq_init(eth_dev, dev, rq, rxq, mp); @@ -414,6 +556,20 @@ otx2_nix_rx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t rq, eth_dev->data->rx_queues[rq] = rxq; eth_dev->data->rx_queue_state[rq] = RTE_ETH_QUEUE_STATE_STOPPED; + + /* Calculating delta and freq mult between PTP HI clock and tsc. + * These are needed in deriving raw clock value from tsc counter. + * read_clock eth op returns raw clock value. + */ + if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP) || + otx2_ethdev_is_ptp_en(dev)) { + rc = otx2_nix_raw_clock_tsc_conv(dev); + if (rc) { + otx2_err("Failed to calculate delta and freq mult"); + goto fail; + } + } + return 0; free_rxq: @@ -435,22 +591,139 @@ nix_sq_max_sqe_sz(struct otx2_eth_txq *txq) return NIX_MAXSQESZ_W8; } +static uint16_t +nix_rx_offload_flags(struct rte_eth_dev *eth_dev) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + struct rte_eth_dev_data *data = eth_dev->data; + struct rte_eth_conf *conf = &data->dev_conf; + struct rte_eth_rxmode *rxmode = &conf->rxmode; + uint16_t flags = 0; + + if (rxmode->mq_mode == ETH_MQ_RX_RSS && + (dev->rx_offloads & DEV_RX_OFFLOAD_RSS_HASH)) + flags |= NIX_RX_OFFLOAD_RSS_F; + + if (dev->rx_offloads & (DEV_RX_OFFLOAD_TCP_CKSUM | + DEV_RX_OFFLOAD_UDP_CKSUM)) + flags |= NIX_RX_OFFLOAD_CHECKSUM_F; + + if (dev->rx_offloads & (DEV_RX_OFFLOAD_IPV4_CKSUM | + DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM)) + flags |= NIX_RX_OFFLOAD_CHECKSUM_F; + + if (dev->rx_offloads & DEV_RX_OFFLOAD_SCATTER) + flags |= NIX_RX_MULTI_SEG_F; + + if (dev->rx_offloads & (DEV_RX_OFFLOAD_VLAN_STRIP | + DEV_RX_OFFLOAD_QINQ_STRIP)) + flags |= NIX_RX_OFFLOAD_VLAN_STRIP_F; + + if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP)) + flags |= NIX_RX_OFFLOAD_TSTAMP_F; + + if (!dev->ptype_disable) + flags |= NIX_RX_OFFLOAD_PTYPE_F; + + return flags; +} + +static uint16_t +nix_tx_offload_flags(struct rte_eth_dev *eth_dev) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + uint64_t conf = dev->tx_offloads; + uint16_t flags = 0; + + /* Fastpath is dependent on these enums */ + RTE_BUILD_BUG_ON(PKT_TX_TCP_CKSUM != (1ULL << 52)); + RTE_BUILD_BUG_ON(PKT_TX_SCTP_CKSUM != (2ULL << 52)); + RTE_BUILD_BUG_ON(PKT_TX_UDP_CKSUM != (3ULL << 52)); + RTE_BUILD_BUG_ON(PKT_TX_IP_CKSUM != (1ULL << 54)); + RTE_BUILD_BUG_ON(PKT_TX_IPV4 != (1ULL << 55)); + RTE_BUILD_BUG_ON(PKT_TX_OUTER_IP_CKSUM != (1ULL << 58)); + RTE_BUILD_BUG_ON(PKT_TX_OUTER_IPV4 != (1ULL << 59)); + RTE_BUILD_BUG_ON(PKT_TX_OUTER_IPV6 != (1ULL << 60)); + RTE_BUILD_BUG_ON(PKT_TX_OUTER_UDP_CKSUM != (1ULL << 41)); + RTE_BUILD_BUG_ON(RTE_MBUF_L2_LEN_BITS != 7); + RTE_BUILD_BUG_ON(RTE_MBUF_L3_LEN_BITS != 9); + RTE_BUILD_BUG_ON(RTE_MBUF_OUTL2_LEN_BITS != 7); + RTE_BUILD_BUG_ON(RTE_MBUF_OUTL3_LEN_BITS != 9); + RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, data_off) != + offsetof(struct rte_mbuf, buf_iova) + 8); + RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, ol_flags) != + offsetof(struct rte_mbuf, buf_iova) + 16); + RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, pkt_len) != + offsetof(struct rte_mbuf, ol_flags) + 12); + RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, tx_offload) != + offsetof(struct rte_mbuf, pool) + 2 * sizeof(void *)); + + if (conf & DEV_TX_OFFLOAD_VLAN_INSERT || + conf & DEV_TX_OFFLOAD_QINQ_INSERT) + flags |= NIX_TX_OFFLOAD_VLAN_QINQ_F; + + if (conf & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM || + conf & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM) + flags |= NIX_TX_OFFLOAD_OL3_OL4_CSUM_F; + + if (conf & DEV_TX_OFFLOAD_IPV4_CKSUM || + conf & DEV_TX_OFFLOAD_TCP_CKSUM || + conf & DEV_TX_OFFLOAD_UDP_CKSUM || + conf & DEV_TX_OFFLOAD_SCTP_CKSUM) + flags |= NIX_TX_OFFLOAD_L3_L4_CSUM_F; + + if (!(conf & DEV_TX_OFFLOAD_MBUF_FAST_FREE)) + flags |= NIX_TX_OFFLOAD_MBUF_NOFF_F; + + if (conf & DEV_TX_OFFLOAD_MULTI_SEGS) + flags |= NIX_TX_MULTI_SEG_F; + + /* Enable Inner checksum for TSO */ + if (conf & DEV_TX_OFFLOAD_TCP_TSO) + flags |= (NIX_TX_OFFLOAD_TSO_F | + NIX_TX_OFFLOAD_L3_L4_CSUM_F); + + /* Enable Inner and Outer checksum for Tunnel TSO */ + if (conf & (DEV_TX_OFFLOAD_VXLAN_TNL_TSO | + DEV_TX_OFFLOAD_GENEVE_TNL_TSO | + DEV_TX_OFFLOAD_GRE_TNL_TSO)) + flags |= (NIX_TX_OFFLOAD_TSO_F | + NIX_TX_OFFLOAD_OL3_OL4_CSUM_F | + NIX_TX_OFFLOAD_L3_L4_CSUM_F); + + if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP)) + flags |= NIX_TX_OFFLOAD_TSTAMP_F; + + return flags; +} + static int nix_sq_init(struct otx2_eth_txq *txq) { struct otx2_eth_dev *dev = txq->dev; struct otx2_mbox *mbox = dev->mbox; struct nix_aq_enq_req *sq; + uint32_t rr_quantum; + uint16_t smq; + int rc; if (txq->sqb_pool->pool_id == 0) return -EINVAL; + rc = otx2_nix_tm_get_leaf_data(dev, txq->sq, &rr_quantum, &smq); + if (rc) { + otx2_err("Failed to get sq->smq(leaf node), rc=%d", rc); + return rc; + } + sq = otx2_mbox_alloc_msg_nix_aq_enq(mbox); sq->qidx = txq->sq; sq->ctype = NIX_AQ_CTYPE_SQ; sq->op = NIX_AQ_INSTOP_INIT; sq->sq.max_sqe_size = nix_sq_max_sqe_sz(txq); + sq->sq.smq = smq; + sq->sq.smq_rr_quantum = rr_quantum; sq->sq.default_chan = dev->tx_chan_base; sq->sq.sqe_stype = NIX_STYPE_STF; sq->sq.ena = 1; @@ -529,7 +802,8 @@ nix_sq_uninit(struct otx2_eth_txq *txq) while (count) { void *next_sqb; - next_sqb = *(void **)((uintptr_t)sqb_buf + ((sqes_per_sqb - 1) * + next_sqb = *(void **)((uintptr_t)sqb_buf + (uint32_t) + ((sqes_per_sqb - 1) * nix_sq_max_sqe_sz(txq))); npa_lf_aura_op_free(txq->sqb_pool->pool_id, 1, (uint64_t)sqb_buf); @@ -590,7 +864,7 @@ nix_alloc_sqb_pool(int port, struct otx2_eth_txq *txq, uint16_t nb_desc) nb_sqb_bufs = nb_desc / sqes_per_sqb; /* Clamp up to devarg passed SQB count */ - nb_sqb_bufs = RTE_MIN(dev->max_sqb_count, RTE_MAX(NIX_MIN_SQB, + nb_sqb_bufs = RTE_MIN(dev->max_sqb_count, RTE_MAX(NIX_DEF_SQB, nb_sqb_bufs + NIX_SQB_LIST_SPACE)); txq->sqb_pool = rte_mempool_create_empty(name, NIX_MAX_SQB, blk_sz, @@ -667,9 +941,8 @@ otx2_nix_form_default_desc(struct otx2_eth_txq *txq) send_mem = (struct nix_send_mem_s *)(txq->cmd + (send_hdr->w0.sizem1 << 1)); send_mem->subdc = NIX_SUBDC_MEM; - send_mem->dsz = 0x0; - send_mem->wmem = 0x1; send_mem->alg = NIX_SENDMEMALG_SETTSTMP; + send_mem->addr = txq->dev->tstamp.tx_tstamp_iova; } sg = (union nix_send_sg_s *)&txq->cmd[4]; } else { @@ -691,12 +964,18 @@ static void otx2_nix_tx_queue_release(void *_txq) { struct otx2_eth_txq *txq = _txq; + struct rte_eth_dev *eth_dev; if (!txq) return; + eth_dev = txq->dev->eth_dev; + otx2_nix_dbg("Releasing txq %u", txq->sq); + /* Flush and disable tm */ + otx2_nix_tm_sw_xoff(txq, eth_dev->data->dev_started); + /* Free sqb's and disable sq */ nix_sq_uninit(txq); @@ -807,130 +1086,900 @@ fail: return rc; } - static int -otx2_nix_configure(struct rte_eth_dev *eth_dev) +nix_store_queue_cfg_and_then_release(struct rte_eth_dev *eth_dev) { struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); - struct rte_eth_dev_data *data = eth_dev->data; - struct rte_eth_conf *conf = &data->dev_conf; - struct rte_eth_rxmode *rxmode = &conf->rxmode; - struct rte_eth_txmode *txmode = &conf->txmode; - char ea_fmt[RTE_ETHER_ADDR_FMT_SIZE]; - struct rte_ether_addr *ea; - uint8_t nb_rxq, nb_txq; - int rc; - - rc = -EINVAL; - - /* Sanity checks */ - if (rte_eal_has_hugepages() == 0) { - otx2_err("Huge page is not configured"); - goto fail; - } - - if (rte_eal_iova_mode() != RTE_IOVA_VA) { - otx2_err("iova mode should be va"); + struct otx2_eth_qconf *tx_qconf = NULL; + struct otx2_eth_qconf *rx_qconf = NULL; + struct otx2_eth_txq **txq; + struct otx2_eth_rxq **rxq; + int i, nb_rxq, nb_txq; + + nb_rxq = RTE_MIN(dev->configured_nb_rx_qs, eth_dev->data->nb_rx_queues); + nb_txq = RTE_MIN(dev->configured_nb_tx_qs, eth_dev->data->nb_tx_queues); + + tx_qconf = malloc(nb_txq * sizeof(*tx_qconf)); + if (tx_qconf == NULL) { + otx2_err("Failed to allocate memory for tx_qconf"); goto fail; } - if (conf->link_speeds & ETH_LINK_SPEED_FIXED) { - otx2_err("Setting link speed/duplex not supported"); + rx_qconf = malloc(nb_rxq * sizeof(*rx_qconf)); + if (rx_qconf == NULL) { + otx2_err("Failed to allocate memory for rx_qconf"); goto fail; } - if (conf->dcb_capability_en == 1) { - otx2_err("dcb enable is not supported"); - goto fail; + txq = (struct otx2_eth_txq **)eth_dev->data->tx_queues; + for (i = 0; i < nb_txq; i++) { + if (txq[i] == NULL) { + otx2_err("txq[%d] is already released", i); + goto fail; + } + memcpy(&tx_qconf[i], &txq[i]->qconf, sizeof(*tx_qconf)); + otx2_nix_tx_queue_release(txq[i]); + eth_dev->data->tx_queues[i] = NULL; } - if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) { - otx2_err("Flow director is not supported"); - goto fail; + rxq = (struct otx2_eth_rxq **)eth_dev->data->rx_queues; + for (i = 0; i < nb_rxq; i++) { + if (rxq[i] == NULL) { + otx2_err("rxq[%d] is already released", i); + goto fail; + } + memcpy(&rx_qconf[i], &rxq[i]->qconf, sizeof(*rx_qconf)); + otx2_nix_rx_queue_release(rxq[i]); + eth_dev->data->rx_queues[i] = NULL; } - if (rxmode->mq_mode != ETH_MQ_RX_NONE && - rxmode->mq_mode != ETH_MQ_RX_RSS) { - otx2_err("Unsupported mq rx mode %d", rxmode->mq_mode); - goto fail; - } + dev->tx_qconf = tx_qconf; + dev->rx_qconf = rx_qconf; + return 0; - if (txmode->mq_mode != ETH_MQ_TX_NONE) { - otx2_err("Unsupported mq tx mode %d", txmode->mq_mode); - goto fail; - } +fail: + if (tx_qconf) + free(tx_qconf); + if (rx_qconf) + free(rx_qconf); - /* Free the resources allocated from the previous configure */ - if (dev->configured == 1) { - oxt2_nix_unregister_queue_irqs(eth_dev); - nix_lf_free(dev); - } + return -ENOMEM; +} - if (otx2_dev_is_A0(dev) && - (txmode->offloads & DEV_TX_OFFLOAD_SCTP_CKSUM) && - ((txmode->offloads & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM) || - (txmode->offloads & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM))) { - otx2_err("Outer IP and SCTP checksum unsupported"); - rc = -EINVAL; - goto fail; +static int +nix_restore_queue_cfg(struct rte_eth_dev *eth_dev) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + struct otx2_eth_qconf *tx_qconf = dev->tx_qconf; + struct otx2_eth_qconf *rx_qconf = dev->rx_qconf; + struct otx2_eth_txq **txq; + struct otx2_eth_rxq **rxq; + int rc, i, nb_rxq, nb_txq; + + nb_rxq = RTE_MIN(dev->configured_nb_rx_qs, eth_dev->data->nb_rx_queues); + nb_txq = RTE_MIN(dev->configured_nb_tx_qs, eth_dev->data->nb_tx_queues); + + rc = -ENOMEM; + /* Setup tx & rx queues with previous configuration so + * that the queues can be functional in cases like ports + * are started without re configuring queues. + * + * Usual re config sequence is like below: + * port_configure() { + * if(reconfigure) { + * queue_release() + * queue_setup() + * } + * queue_configure() { + * queue_release() + * queue_setup() + * } + * } + * port_start() + * + * In some application's control path, queue_configure() would + * NOT be invoked for TXQs/RXQs in port_configure(). + * In such cases, queues can be functional after start as the + * queues are already setup in port_configure(). + */ + for (i = 0; i < nb_txq; i++) { + rc = otx2_nix_tx_queue_setup(eth_dev, i, tx_qconf[i].nb_desc, + tx_qconf[i].socket_id, + &tx_qconf[i].conf.tx); + if (rc) { + otx2_err("Failed to setup tx queue rc=%d", rc); + txq = (struct otx2_eth_txq **)eth_dev->data->tx_queues; + for (i -= 1; i >= 0; i--) + otx2_nix_tx_queue_release(txq[i]); + goto fail; + } } - dev->rx_offloads = rxmode->offloads; - dev->tx_offloads = txmode->offloads; - dev->rss_info.rss_grps = NIX_RSS_GRPS; - - nb_rxq = RTE_MAX(data->nb_rx_queues, 1); - nb_txq = RTE_MAX(data->nb_tx_queues, 1); + free(tx_qconf); tx_qconf = NULL; - /* Alloc a nix lf */ - rc = nix_lf_alloc(dev, nb_rxq, nb_txq); - if (rc) { - otx2_err("Failed to init nix_lf rc=%d", rc); - goto fail; + for (i = 0; i < nb_rxq; i++) { + rc = otx2_nix_rx_queue_setup(eth_dev, i, rx_qconf[i].nb_desc, + rx_qconf[i].socket_id, + &rx_qconf[i].conf.rx, + rx_qconf[i].mempool); + if (rc) { + otx2_err("Failed to setup rx queue rc=%d", rc); + rxq = (struct otx2_eth_rxq **)eth_dev->data->rx_queues; + for (i -= 1; i >= 0; i--) + otx2_nix_rx_queue_release(rxq[i]); + goto release_tx_queues; + } } - /* Configure RSS */ - rc = otx2_nix_rss_config(eth_dev); - if (rc) { - otx2_err("Failed to configure rss rc=%d", rc); - goto free_nix_lf; - } + free(rx_qconf); rx_qconf = NULL; - /* Register queue IRQs */ - rc = oxt2_nix_register_queue_irqs(eth_dev); - if (rc) { - otx2_err("Failed to register queue interrupts rc=%d", rc); - goto free_nix_lf; - } + return 0; - /* Update the mac address */ - ea = eth_dev->data->mac_addrs; - memcpy(ea, dev->mac_addr, RTE_ETHER_ADDR_LEN); - if (rte_is_zero_ether_addr(ea)) - rte_eth_random_addr((uint8_t *)ea); +release_tx_queues: + txq = (struct otx2_eth_txq **)eth_dev->data->tx_queues; + for (i = 0; i < eth_dev->data->nb_tx_queues; i++) + otx2_nix_tx_queue_release(txq[i]); +fail: + if (tx_qconf) + free(tx_qconf); + if (rx_qconf) + free(rx_qconf); - rte_ether_format_addr(ea_fmt, RTE_ETHER_ADDR_FMT_SIZE, ea); + return rc; +} - otx2_nix_dbg("Configured port%d mac=%s nb_rxq=%d nb_txq=%d" - " rx_offloads=0x%" PRIx64 " tx_offloads=0x%" PRIx64 "" - " rx_flags=0x%x tx_flags=0x%x", - eth_dev->data->port_id, ea_fmt, nb_rxq, - nb_txq, dev->rx_offloads, dev->tx_offloads, - dev->rx_offload_flags, dev->tx_offload_flags); +static uint16_t +nix_eth_nop_burst(void *queue, struct rte_mbuf **mbufs, uint16_t pkts) +{ + RTE_SET_USED(queue); + RTE_SET_USED(mbufs); + RTE_SET_USED(pkts); - /* All good */ - dev->configured = 1; - dev->configured_nb_rx_qs = data->nb_rx_queues; - dev->configured_nb_tx_qs = data->nb_tx_queues; return 0; +} -free_nix_lf: - rc = nix_lf_free(dev); -fail: - return rc; +static void +nix_set_nop_rxtx_function(struct rte_eth_dev *eth_dev) +{ + /* These dummy functions are required for supporting + * some applications which reconfigure queues without + * stopping tx burst and rx burst threads(eg kni app) + * When the queues context is saved, txq/rxqs are released + * which caused app crash since rx/tx burst is still + * on different lcores + */ + eth_dev->tx_pkt_burst = nix_eth_nop_burst; + eth_dev->rx_pkt_burst = nix_eth_nop_burst; + rte_mb(); } -/* Initialize and register driver with DPDK Application */ +static void +nix_lso_tcp(struct nix_lso_format_cfg *req, bool v4) +{ + volatile struct nix_lso_format *field; + + /* Format works only with TCP packet marked by OL3/OL4 */ + field = (volatile struct nix_lso_format *)&req->fields[0]; + req->field_mask = NIX_LSO_FIELD_MASK; + /* Outer IPv4/IPv6 */ + field->layer = NIX_TXLAYER_OL3; + field->offset = v4 ? 2 : 4; + field->sizem1 = 1; /* 2B */ + field->alg = NIX_LSOALG_ADD_PAYLEN; + field++; + if (v4) { + /* IPID field */ + field->layer = NIX_TXLAYER_OL3; + field->offset = 4; + field->sizem1 = 1; + /* Incremented linearly per segment */ + field->alg = NIX_LSOALG_ADD_SEGNUM; + field++; + } + + /* TCP sequence number update */ + field->layer = NIX_TXLAYER_OL4; + field->offset = 4; + field->sizem1 = 3; /* 4 bytes */ + field->alg = NIX_LSOALG_ADD_OFFSET; + field++; + /* TCP flags field */ + field->layer = NIX_TXLAYER_OL4; + field->offset = 12; + field->sizem1 = 1; + field->alg = NIX_LSOALG_TCP_FLAGS; + field++; +} + +static void +nix_lso_udp_tun_tcp(struct nix_lso_format_cfg *req, + bool outer_v4, bool inner_v4) +{ + volatile struct nix_lso_format *field; + + field = (volatile struct nix_lso_format *)&req->fields[0]; + req->field_mask = NIX_LSO_FIELD_MASK; + /* Outer IPv4/IPv6 len */ + field->layer = NIX_TXLAYER_OL3; + field->offset = outer_v4 ? 2 : 4; + field->sizem1 = 1; /* 2B */ + field->alg = NIX_LSOALG_ADD_PAYLEN; + field++; + if (outer_v4) { + /* IPID */ + field->layer = NIX_TXLAYER_OL3; + field->offset = 4; + field->sizem1 = 1; + /* Incremented linearly per segment */ + field->alg = NIX_LSOALG_ADD_SEGNUM; + field++; + } + + /* Outer UDP length */ + field->layer = NIX_TXLAYER_OL4; + field->offset = 4; + field->sizem1 = 1; + field->alg = NIX_LSOALG_ADD_PAYLEN; + field++; + + /* Inner IPv4/IPv6 */ + field->layer = NIX_TXLAYER_IL3; + field->offset = inner_v4 ? 2 : 4; + field->sizem1 = 1; /* 2B */ + field->alg = NIX_LSOALG_ADD_PAYLEN; + field++; + if (inner_v4) { + /* IPID field */ + field->layer = NIX_TXLAYER_IL3; + field->offset = 4; + field->sizem1 = 1; + /* Incremented linearly per segment */ + field->alg = NIX_LSOALG_ADD_SEGNUM; + field++; + } + + /* TCP sequence number update */ + field->layer = NIX_TXLAYER_IL4; + field->offset = 4; + field->sizem1 = 3; /* 4 bytes */ + field->alg = NIX_LSOALG_ADD_OFFSET; + field++; + + /* TCP flags field */ + field->layer = NIX_TXLAYER_IL4; + field->offset = 12; + field->sizem1 = 1; + field->alg = NIX_LSOALG_TCP_FLAGS; + field++; +} + +static void +nix_lso_tun_tcp(struct nix_lso_format_cfg *req, + bool outer_v4, bool inner_v4) +{ + volatile struct nix_lso_format *field; + + field = (volatile struct nix_lso_format *)&req->fields[0]; + req->field_mask = NIX_LSO_FIELD_MASK; + /* Outer IPv4/IPv6 len */ + field->layer = NIX_TXLAYER_OL3; + field->offset = outer_v4 ? 2 : 4; + field->sizem1 = 1; /* 2B */ + field->alg = NIX_LSOALG_ADD_PAYLEN; + field++; + if (outer_v4) { + /* IPID */ + field->layer = NIX_TXLAYER_OL3; + field->offset = 4; + field->sizem1 = 1; + /* Incremented linearly per segment */ + field->alg = NIX_LSOALG_ADD_SEGNUM; + field++; + } + + /* Inner IPv4/IPv6 */ + field->layer = NIX_TXLAYER_IL3; + field->offset = inner_v4 ? 2 : 4; + field->sizem1 = 1; /* 2B */ + field->alg = NIX_LSOALG_ADD_PAYLEN; + field++; + if (inner_v4) { + /* IPID field */ + field->layer = NIX_TXLAYER_IL3; + field->offset = 4; + field->sizem1 = 1; + /* Incremented linearly per segment */ + field->alg = NIX_LSOALG_ADD_SEGNUM; + field++; + } + + /* TCP sequence number update */ + field->layer = NIX_TXLAYER_IL4; + field->offset = 4; + field->sizem1 = 3; /* 4 bytes */ + field->alg = NIX_LSOALG_ADD_OFFSET; + field++; + + /* TCP flags field */ + field->layer = NIX_TXLAYER_IL4; + field->offset = 12; + field->sizem1 = 1; + field->alg = NIX_LSOALG_TCP_FLAGS; + field++; +} + +static int +nix_setup_lso_formats(struct otx2_eth_dev *dev) +{ + struct otx2_mbox *mbox = dev->mbox; + struct nix_lso_format_cfg_rsp *rsp; + struct nix_lso_format_cfg *req; + uint8_t base; + int rc; + + /* Skip if TSO was not requested */ + if (!(dev->tx_offload_flags & NIX_TX_OFFLOAD_TSO_F)) + return 0; + /* + * IPv4/TCP LSO + */ + req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox); + nix_lso_tcp(req, true); + rc = otx2_mbox_process_msg(mbox, (void *)&rsp); + if (rc) + return rc; + + base = rsp->lso_format_idx; + if (base != NIX_LSO_FORMAT_IDX_TSOV4) + return -EFAULT; + dev->lso_base_idx = base; + otx2_nix_dbg("tcpv4 lso fmt=%u", base); + + + /* + * IPv6/TCP LSO + */ + req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox); + nix_lso_tcp(req, false); + rc = otx2_mbox_process_msg(mbox, (void *)&rsp); + if (rc) + return rc; + + if (rsp->lso_format_idx != base + 1) + return -EFAULT; + otx2_nix_dbg("tcpv6 lso fmt=%u\n", base + 1); + + /* + * IPv4/UDP/TUN HDR/IPv4/TCP LSO + */ + req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox); + nix_lso_udp_tun_tcp(req, true, true); + rc = otx2_mbox_process_msg(mbox, (void *)&rsp); + if (rc) + return rc; + + if (rsp->lso_format_idx != base + 2) + return -EFAULT; + otx2_nix_dbg("udp tun v4v4 fmt=%u\n", base + 2); + + /* + * IPv4/UDP/TUN HDR/IPv6/TCP LSO + */ + req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox); + nix_lso_udp_tun_tcp(req, true, false); + rc = otx2_mbox_process_msg(mbox, (void *)&rsp); + if (rc) + return rc; + + if (rsp->lso_format_idx != base + 3) + return -EFAULT; + otx2_nix_dbg("udp tun v4v6 fmt=%u\n", base + 3); + + /* + * IPv6/UDP/TUN HDR/IPv4/TCP LSO + */ + req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox); + nix_lso_udp_tun_tcp(req, false, true); + rc = otx2_mbox_process_msg(mbox, (void *)&rsp); + if (rc) + return rc; + + if (rsp->lso_format_idx != base + 4) + return -EFAULT; + otx2_nix_dbg("udp tun v6v4 fmt=%u\n", base + 4); + + /* + * IPv6/UDP/TUN HDR/IPv6/TCP LSO + */ + req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox); + nix_lso_udp_tun_tcp(req, false, false); + rc = otx2_mbox_process_msg(mbox, (void *)&rsp); + if (rc) + return rc; + if (rsp->lso_format_idx != base + 5) + return -EFAULT; + otx2_nix_dbg("udp tun v6v6 fmt=%u\n", base + 5); + + /* + * IPv4/TUN HDR/IPv4/TCP LSO + */ + req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox); + nix_lso_tun_tcp(req, true, true); + rc = otx2_mbox_process_msg(mbox, (void *)&rsp); + if (rc) + return rc; + + if (rsp->lso_format_idx != base + 6) + return -EFAULT; + otx2_nix_dbg("tun v4v4 fmt=%u\n", base + 6); + + /* + * IPv4/TUN HDR/IPv6/TCP LSO + */ + req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox); + nix_lso_tun_tcp(req, true, false); + rc = otx2_mbox_process_msg(mbox, (void *)&rsp); + if (rc) + return rc; + + if (rsp->lso_format_idx != base + 7) + return -EFAULT; + otx2_nix_dbg("tun v4v6 fmt=%u\n", base + 7); + + /* + * IPv6/TUN HDR/IPv4/TCP LSO + */ + req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox); + nix_lso_tun_tcp(req, false, true); + rc = otx2_mbox_process_msg(mbox, (void *)&rsp); + if (rc) + return rc; + + if (rsp->lso_format_idx != base + 8) + return -EFAULT; + otx2_nix_dbg("tun v6v4 fmt=%u\n", base + 8); + + /* + * IPv6/TUN HDR/IPv6/TCP LSO + */ + req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox); + nix_lso_tun_tcp(req, false, false); + rc = otx2_mbox_process_msg(mbox, (void *)&rsp); + if (rc) + return rc; + if (rsp->lso_format_idx != base + 9) + return -EFAULT; + otx2_nix_dbg("tun v6v6 fmt=%u\n", base + 9); + return 0; +} + +static int +otx2_nix_configure(struct rte_eth_dev *eth_dev) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + struct rte_eth_dev_data *data = eth_dev->data; + struct rte_eth_conf *conf = &data->dev_conf; + struct rte_eth_rxmode *rxmode = &conf->rxmode; + struct rte_eth_txmode *txmode = &conf->txmode; + char ea_fmt[RTE_ETHER_ADDR_FMT_SIZE]; + struct rte_ether_addr *ea; + uint8_t nb_rxq, nb_txq; + int rc; + + rc = -EINVAL; + + /* Sanity checks */ + if (rte_eal_has_hugepages() == 0) { + otx2_err("Huge page is not configured"); + goto fail_configure; + } + + if (conf->link_speeds & ETH_LINK_SPEED_FIXED) { + otx2_err("Setting link speed/duplex not supported"); + goto fail_configure; + } + + if (conf->dcb_capability_en == 1) { + otx2_err("dcb enable is not supported"); + goto fail_configure; + } + + if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) { + otx2_err("Flow director is not supported"); + goto fail_configure; + } + + if (rxmode->mq_mode != ETH_MQ_RX_NONE && + rxmode->mq_mode != ETH_MQ_RX_RSS) { + otx2_err("Unsupported mq rx mode %d", rxmode->mq_mode); + goto fail_configure; + } + + if (txmode->mq_mode != ETH_MQ_TX_NONE) { + otx2_err("Unsupported mq tx mode %d", txmode->mq_mode); + goto fail_configure; + } + + if (otx2_dev_is_Ax(dev) && + (txmode->offloads & DEV_TX_OFFLOAD_SCTP_CKSUM) && + ((txmode->offloads & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM) || + (txmode->offloads & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM))) { + otx2_err("Outer IP and SCTP checksum unsupported"); + goto fail_configure; + } + + /* Free the resources allocated from the previous configure */ + if (dev->configured == 1) { + otx2_nix_rxchan_bpid_cfg(eth_dev, false); + otx2_nix_vlan_fini(eth_dev); + otx2_nix_mc_addr_list_uninstall(eth_dev); + otx2_flow_free_all_resources(dev); + oxt2_nix_unregister_queue_irqs(eth_dev); + if (eth_dev->data->dev_conf.intr_conf.rxq) + oxt2_nix_unregister_cq_irqs(eth_dev); + nix_set_nop_rxtx_function(eth_dev); + rc = nix_store_queue_cfg_and_then_release(eth_dev); + if (rc) + goto fail_configure; + otx2_nix_tm_fini(eth_dev); + nix_lf_free(dev); + } + + dev->rx_offloads = rxmode->offloads; + dev->tx_offloads = txmode->offloads; + dev->rx_offload_flags |= nix_rx_offload_flags(eth_dev); + dev->tx_offload_flags |= nix_tx_offload_flags(eth_dev); + dev->rss_info.rss_grps = NIX_RSS_GRPS; + + nb_rxq = RTE_MAX(data->nb_rx_queues, 1); + nb_txq = RTE_MAX(data->nb_tx_queues, 1); + + /* Alloc a nix lf */ + rc = nix_lf_alloc(dev, nb_rxq, nb_txq); + if (rc) { + otx2_err("Failed to init nix_lf rc=%d", rc); + goto fail_offloads; + } + + rc = nix_lf_switch_header_type_enable(dev); + if (rc) { + otx2_err("Failed to enable switch type nix_lf rc=%d", rc); + goto free_nix_lf; + } + + rc = nix_setup_lso_formats(dev); + if (rc) { + otx2_err("failed to setup nix lso format fields, rc=%d", rc); + goto free_nix_lf; + } + + /* Configure RSS */ + rc = otx2_nix_rss_config(eth_dev); + if (rc) { + otx2_err("Failed to configure rss rc=%d", rc); + goto free_nix_lf; + } + + /* Init the default TM scheduler hierarchy */ + rc = otx2_nix_tm_init_default(eth_dev); + if (rc) { + otx2_err("Failed to init traffic manager rc=%d", rc); + goto free_nix_lf; + } + + rc = otx2_nix_vlan_offload_init(eth_dev); + if (rc) { + otx2_err("Failed to init vlan offload rc=%d", rc); + goto tm_fini; + } + + /* Register queue IRQs */ + rc = oxt2_nix_register_queue_irqs(eth_dev); + if (rc) { + otx2_err("Failed to register queue interrupts rc=%d", rc); + goto vlan_fini; + } + + /* Register cq IRQs */ + if (eth_dev->data->dev_conf.intr_conf.rxq) { + if (eth_dev->data->nb_rx_queues > dev->cints) { + otx2_err("Rx interrupt cannot be enabled, rxq > %d", + dev->cints); + goto q_irq_fini; + } + /* Rx interrupt feature cannot work with vector mode because, + * vector mode doesn't process packets unless min 4 pkts are + * received, while cq interrupts are generated even for 1 pkt + * in the CQ. + */ + dev->scalar_ena = true; + + rc = oxt2_nix_register_cq_irqs(eth_dev); + if (rc) { + otx2_err("Failed to register CQ interrupts rc=%d", rc); + goto q_irq_fini; + } + } + + /* Configure loop back mode */ + rc = cgx_intlbk_enable(dev, eth_dev->data->dev_conf.lpbk_mode); + if (rc) { + otx2_err("Failed to configure cgx loop back mode rc=%d", rc); + goto cq_fini; + } + + rc = otx2_nix_rxchan_bpid_cfg(eth_dev, true); + if (rc) { + otx2_err("Failed to configure nix rx chan bpid cfg rc=%d", rc); + goto cq_fini; + } + + rc = otx2_nix_mc_addr_list_install(eth_dev); + if (rc < 0) { + otx2_err("Failed to install mc address list rc=%d", rc); + goto cq_fini; + } + + /* + * Restore queue config when reconfigure followed by + * reconfigure and no queue configure invoked from application case. + */ + if (dev->configured == 1) { + rc = nix_restore_queue_cfg(eth_dev); + if (rc) + goto uninstall_mc_list; + } + + /* Update the mac address */ + ea = eth_dev->data->mac_addrs; + memcpy(ea, dev->mac_addr, RTE_ETHER_ADDR_LEN); + if (rte_is_zero_ether_addr(ea)) + rte_eth_random_addr((uint8_t *)ea); + + rte_ether_format_addr(ea_fmt, RTE_ETHER_ADDR_FMT_SIZE, ea); + + otx2_nix_dbg("Configured port%d mac=%s nb_rxq=%d nb_txq=%d" + " rx_offloads=0x%" PRIx64 " tx_offloads=0x%" PRIx64 "" + " rx_flags=0x%x tx_flags=0x%x", + eth_dev->data->port_id, ea_fmt, nb_rxq, + nb_txq, dev->rx_offloads, dev->tx_offloads, + dev->rx_offload_flags, dev->tx_offload_flags); + + /* All good */ + dev->configured = 1; + dev->configured_nb_rx_qs = data->nb_rx_queues; + dev->configured_nb_tx_qs = data->nb_tx_queues; + return 0; + +uninstall_mc_list: + otx2_nix_mc_addr_list_uninstall(eth_dev); +cq_fini: + oxt2_nix_unregister_cq_irqs(eth_dev); +q_irq_fini: + oxt2_nix_unregister_queue_irqs(eth_dev); +vlan_fini: + otx2_nix_vlan_fini(eth_dev); +tm_fini: + otx2_nix_tm_fini(eth_dev); +free_nix_lf: + nix_lf_free(dev); +fail_offloads: + dev->rx_offload_flags &= ~nix_rx_offload_flags(eth_dev); + dev->tx_offload_flags &= ~nix_tx_offload_flags(eth_dev); +fail_configure: + dev->configured = 0; + return rc; +} + +int +otx2_nix_tx_queue_start(struct rte_eth_dev *eth_dev, uint16_t qidx) +{ + struct rte_eth_dev_data *data = eth_dev->data; + struct otx2_eth_txq *txq; + int rc = -EINVAL; + + txq = eth_dev->data->tx_queues[qidx]; + + if (data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED) + return 0; + + rc = otx2_nix_sq_sqb_aura_fc(txq, true); + if (rc) { + otx2_err("Failed to enable sqb aura fc, txq=%u, rc=%d", + qidx, rc); + goto done; + } + + data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED; + +done: + return rc; +} + +int +otx2_nix_tx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t qidx) +{ + struct rte_eth_dev_data *data = eth_dev->data; + struct otx2_eth_txq *txq; + int rc; + + txq = eth_dev->data->tx_queues[qidx]; + + if (data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED) + return 0; + + txq->fc_cache_pkts = 0; + + rc = otx2_nix_sq_sqb_aura_fc(txq, false); + if (rc) { + otx2_err("Failed to disable sqb aura fc, txq=%u, rc=%d", + qidx, rc); + goto done; + } + + data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED; + +done: + return rc; +} + +static int +otx2_nix_rx_queue_start(struct rte_eth_dev *eth_dev, uint16_t qidx) +{ + struct otx2_eth_rxq *rxq = eth_dev->data->rx_queues[qidx]; + struct rte_eth_dev_data *data = eth_dev->data; + int rc; + + if (data->rx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED) + return 0; + + rc = nix_rq_enb_dis(rxq->eth_dev, rxq, true); + if (rc) { + otx2_err("Failed to enable rxq=%u, rc=%d", qidx, rc); + goto done; + } + + data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED; + +done: + return rc; +} + +static int +otx2_nix_rx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t qidx) +{ + struct otx2_eth_rxq *rxq = eth_dev->data->rx_queues[qidx]; + struct rte_eth_dev_data *data = eth_dev->data; + int rc; + + if (data->rx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED) + return 0; + + rc = nix_rq_enb_dis(rxq->eth_dev, rxq, false); + if (rc) { + otx2_err("Failed to disable rxq=%u, rc=%d", qidx, rc); + goto done; + } + + data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED; + +done: + return rc; +} + +static void +otx2_nix_dev_stop(struct rte_eth_dev *eth_dev) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + struct rte_mbuf *rx_pkts[32]; + struct otx2_eth_rxq *rxq; + int count, i, j, rc; + + nix_cgx_stop_link_event(dev); + npc_rx_disable(dev); + + /* Stop rx queues and free up pkts pending */ + for (i = 0; i < eth_dev->data->nb_rx_queues; i++) { + rc = otx2_nix_rx_queue_stop(eth_dev, i); + if (rc) + continue; + + rxq = eth_dev->data->rx_queues[i]; + count = dev->rx_pkt_burst_no_offload(rxq, rx_pkts, 32); + while (count) { + for (j = 0; j < count; j++) + rte_pktmbuf_free(rx_pkts[j]); + count = dev->rx_pkt_burst_no_offload(rxq, rx_pkts, 32); + } + } + + /* Stop tx queues */ + for (i = 0; i < eth_dev->data->nb_tx_queues; i++) + otx2_nix_tx_queue_stop(eth_dev, i); +} + +static int +otx2_nix_dev_start(struct rte_eth_dev *eth_dev) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + int rc, i; + + /* MTU recalculate should be avoided here if PTP is enabled by PF, as + * otx2_nix_recalc_mtu would be invoked during otx2_nix_ptp_enable_vf + * call below. + */ + if (eth_dev->data->nb_rx_queues != 0 && !otx2_ethdev_is_ptp_en(dev)) { + rc = otx2_nix_recalc_mtu(eth_dev); + if (rc) + return rc; + } + + /* Start rx queues */ + for (i = 0; i < eth_dev->data->nb_rx_queues; i++) { + rc = otx2_nix_rx_queue_start(eth_dev, i); + if (rc) + return rc; + } + + /* Start tx queues */ + for (i = 0; i < eth_dev->data->nb_tx_queues; i++) { + rc = otx2_nix_tx_queue_start(eth_dev, i); + if (rc) + return rc; + } + + rc = otx2_nix_update_flow_ctrl_mode(eth_dev); + if (rc) { + otx2_err("Failed to update flow ctrl mode %d", rc); + return rc; + } + + /* Enable PTP if it was requested by the app or if it is already + * enabled in PF owning this VF + */ + memset(&dev->tstamp, 0, sizeof(struct otx2_timesync_info)); + if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP) || + otx2_ethdev_is_ptp_en(dev)) + otx2_nix_timesync_enable(eth_dev); + else + otx2_nix_timesync_disable(eth_dev); + + /* Update VF about data off shifted by 8 bytes if PTP already + * enabled in PF owning this VF + */ + if (otx2_ethdev_is_ptp_en(dev) && otx2_dev_is_vf(dev)) + otx2_nix_ptp_enable_vf(eth_dev); + + rc = npc_rx_enable(dev); + if (rc) { + otx2_err("Failed to enable NPC rx %d", rc); + return rc; + } + + otx2_nix_toggle_flag_link_cfg(dev, true); + + rc = nix_cgx_start_link_event(dev); + if (rc) { + otx2_err("Failed to start cgx link event %d", rc); + goto rx_disable; + } + + otx2_nix_toggle_flag_link_cfg(dev, false); + otx2_eth_set_tx_function(eth_dev); + otx2_eth_set_rx_function(eth_dev); + + return 0; + +rx_disable: + npc_rx_disable(dev); + otx2_nix_toggle_flag_link_cfg(dev, false); + return rc; +} + +static int otx2_nix_dev_reset(struct rte_eth_dev *eth_dev); +static void otx2_nix_dev_close(struct rte_eth_dev *eth_dev); + +/* Initialize and register driver with DPDK Application */ static const struct eth_dev_ops otx2_eth_dev_ops = { .dev_infos_get = otx2_nix_info_get, .dev_configure = otx2_nix_configure, @@ -939,12 +1988,26 @@ static const struct eth_dev_ops otx2_eth_dev_ops = { .tx_queue_release = otx2_nix_tx_queue_release, .rx_queue_setup = otx2_nix_rx_queue_setup, .rx_queue_release = otx2_nix_rx_queue_release, + .dev_start = otx2_nix_dev_start, + .dev_stop = otx2_nix_dev_stop, + .dev_close = otx2_nix_dev_close, + .tx_queue_start = otx2_nix_tx_queue_start, + .tx_queue_stop = otx2_nix_tx_queue_stop, + .rx_queue_start = otx2_nix_rx_queue_start, + .rx_queue_stop = otx2_nix_rx_queue_stop, + .dev_set_link_up = otx2_nix_dev_set_link_up, + .dev_set_link_down = otx2_nix_dev_set_link_down, + .dev_supported_ptypes_get = otx2_nix_supported_ptypes_get, + .dev_ptypes_set = otx2_nix_ptypes_set, + .dev_reset = otx2_nix_dev_reset, .stats_get = otx2_nix_dev_stats_get, .stats_reset = otx2_nix_dev_stats_reset, .get_reg = otx2_nix_dev_get_reg, + .mtu_set = otx2_nix_mtu_set, .mac_addr_add = otx2_nix_mac_addr_add, .mac_addr_remove = otx2_nix_mac_addr_del, .mac_addr_set = otx2_nix_mac_addr_set, + .set_mc_addr_list = otx2_nix_set_mc_addr_list, .promiscuous_enable = otx2_nix_promisc_enable, .promiscuous_disable = otx2_nix_promisc_disable, .allmulticast_enable = otx2_nix_allmulticast_enable, @@ -959,6 +2022,37 @@ static const struct eth_dev_ops otx2_eth_dev_ops = { .xstats_reset = otx2_nix_xstats_reset, .xstats_get_by_id = otx2_nix_xstats_get_by_id, .xstats_get_names_by_id = otx2_nix_xstats_get_names_by_id, + .rxq_info_get = otx2_nix_rxq_info_get, + .txq_info_get = otx2_nix_txq_info_get, + .rx_burst_mode_get = otx2_rx_burst_mode_get, + .tx_burst_mode_get = otx2_tx_burst_mode_get, + .rx_queue_count = otx2_nix_rx_queue_count, + .rx_descriptor_done = otx2_nix_rx_descriptor_done, + .rx_descriptor_status = otx2_nix_rx_descriptor_status, + .tx_descriptor_status = otx2_nix_tx_descriptor_status, + .tx_done_cleanup = otx2_nix_tx_done_cleanup, + .pool_ops_supported = otx2_nix_pool_ops_supported, + .filter_ctrl = otx2_nix_dev_filter_ctrl, + .get_module_info = otx2_nix_get_module_info, + .get_module_eeprom = otx2_nix_get_module_eeprom, + .fw_version_get = otx2_nix_fw_version_get, + .flow_ctrl_get = otx2_nix_flow_ctrl_get, + .flow_ctrl_set = otx2_nix_flow_ctrl_set, + .timesync_enable = otx2_nix_timesync_enable, + .timesync_disable = otx2_nix_timesync_disable, + .timesync_read_rx_timestamp = otx2_nix_timesync_read_rx_timestamp, + .timesync_read_tx_timestamp = otx2_nix_timesync_read_tx_timestamp, + .timesync_adjust_time = otx2_nix_timesync_adjust_time, + .timesync_read_time = otx2_nix_timesync_read_time, + .timesync_write_time = otx2_nix_timesync_write_time, + .vlan_offload_set = otx2_nix_vlan_offload_set, + .vlan_filter_set = otx2_nix_vlan_filter_set, + .vlan_strip_queue_set = otx2_nix_vlan_strip_queue_set, + .vlan_tpid_set = otx2_nix_vlan_tpid_set, + .vlan_pvid_set = otx2_nix_vlan_pvid_set, + .rx_queue_intr_enable = otx2_nix_rx_queue_intr_enable, + .rx_queue_intr_disable = otx2_nix_rx_queue_intr_disable, + .read_clock = otx2_nix_read_clock, }; static inline int @@ -1010,6 +2104,15 @@ otx2_eth_dev_lf_detach(struct otx2_mbox *mbox) return otx2_mbox_process(mbox); } +static bool +otx2_eth_dev_is_sdp(struct rte_pci_device *pci_dev) +{ + if (pci_dev->id.device_id == PCI_DEVID_OCTEONTX2_RVU_SDP_PF || + pci_dev->id.device_id == PCI_DEVID_OCTEONTX2_RVU_SDP_VF) + return true; + return false; +} + static int otx2_eth_dev_init(struct rte_eth_dev *eth_dev) { @@ -1053,6 +2156,10 @@ otx2_eth_dev_init(struct rte_eth_dev *eth_dev) goto error; } } + if (otx2_eth_dev_is_sdp(pci_dev)) + dev->sdp_link = true; + else + dev->sdp_link = false; /* Device generic callbacks */ dev->ops = &otx2_dev_ops; dev->eth_dev = eth_dev; @@ -1064,6 +2171,7 @@ otx2_eth_dev_init(struct rte_eth_dev *eth_dev) dev->configured = 0; dev->drv_inited = true; + dev->ptype_disable = 0; dev->base = dev->bar2 + (RVU_BLOCK_ADDR_NIX0 << 20); dev->lmt_addr = dev->bar2 + (RVU_BLOCK_ADDR_LMT << 20); @@ -1116,14 +2224,25 @@ otx2_eth_dev_init(struct rte_eth_dev *eth_dev) /* Also sync same MAC address to CGX table */ otx2_cgx_mac_addr_set(eth_dev, ð_dev->data->mac_addrs[0]); + /* Initialize the tm data structures */ + otx2_nix_tm_conf_init(eth_dev); + dev->tx_offload_capa = nix_get_tx_offload_capa(dev); dev->rx_offload_capa = nix_get_rx_offload_capa(dev); - if (otx2_dev_is_A0(dev)) { + if (otx2_dev_is_96xx_A0(dev) || + otx2_dev_is_95xx_Ax(dev)) { dev->hwcap |= OTX2_FIXUP_F_MIN_4K_Q; dev->hwcap |= OTX2_FIXUP_F_LIMIT_CQ_FULL; } + /* Initialize rte-flow */ + rc = otx2_flow_init(dev); + if (rc) + goto free_mac_addrs; + + otx2_nix_mc_filter_init(dev); + otx2_nix_dbg("Port=%d pf=%d vf=%d ver=%s msix_off=%d hwcap=0x%" PRIx64 " rxoffload_capa=0x%" PRIx64 " txoffload_capa=0x%" PRIx64, eth_dev->data->port_id, dev->pf, dev->vf, @@ -1157,6 +2276,29 @@ otx2_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool mbox_close) if (rte_eal_process_type() != RTE_PROC_PRIMARY) return 0; + /* Clear the flag since we are closing down */ + dev->configured = 0; + + /* Disable nix bpid config */ + otx2_nix_rxchan_bpid_cfg(eth_dev, false); + + npc_rx_disable(dev); + + /* Disable vlan offloads */ + otx2_nix_vlan_fini(eth_dev); + + /* Disable other rte_flow entries */ + otx2_flow_fini(dev); + + /* Free multicast filter list */ + otx2_nix_mc_filter_fini(dev); + + /* Disable PTP if already enabled */ + if (otx2_ethdev_is_ptp_en(dev)) + otx2_nix_timesync_disable(eth_dev); + + nix_cgx_stop_link_event(dev); + /* Free up SQs */ for (i = 0; i < eth_dev->data->nb_tx_queues; i++) { otx2_nix_tx_queue_release(eth_dev->data->tx_queues[i]); @@ -1171,9 +2313,18 @@ otx2_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool mbox_close) } eth_dev->data->nb_rx_queues = 0; + /* Free tm resources */ + rc = otx2_nix_tm_fini(eth_dev); + if (rc) + otx2_err("Failed to cleanup tm, rc=%d", rc); + /* Unregister queue irqs */ oxt2_nix_unregister_queue_irqs(eth_dev); + /* Unregister cq irqs */ + if (eth_dev->data->dev_conf.intr_conf.rxq) + oxt2_nix_unregister_cq_irqs(eth_dev); + rc = nix_lf_free(dev); if (rc) otx2_err("Failed to free nix lf, rc=%d", rc); @@ -1207,6 +2358,24 @@ otx2_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool mbox_close) return 0; } +static void +otx2_nix_dev_close(struct rte_eth_dev *eth_dev) +{ + otx2_eth_dev_uninit(eth_dev, true); +} + +static int +otx2_nix_dev_reset(struct rte_eth_dev *eth_dev) +{ + int rc; + + rc = otx2_eth_dev_uninit(eth_dev, false); + if (rc) + return rc; + + return otx2_eth_dev_init(eth_dev); +} + static int nix_remove(struct rte_pci_device *pci_dev) { @@ -1279,6 +2448,14 @@ static const struct rte_pci_id pci_nix_map[] = { RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_RVU_AF_VF) }, + { + RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, + PCI_DEVID_OCTEONTX2_RVU_SDP_PF) + }, + { + RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, + PCI_DEVID_OCTEONTX2_RVU_SDP_VF) + }, { .vendor_id = 0, }, @@ -1286,7 +2463,7 @@ static const struct rte_pci_id pci_nix_map[] = { static struct rte_pci_driver pci_nix = { .id_table = pci_nix_map, - .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_IOVA_AS_VA | + .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_NEED_IOVA_AS_VA | RTE_PCI_DRV_INTR_LSC, .probe = nix_probe, .remove = nix_remove,