net/bnxt: support thor controller
[dpdk.git] / drivers / net / bnxt / bnxt_rxr.c
index 7b956ac..44303f3 100644 (file)
@@ -48,7 +48,7 @@ static inline int bnxt_alloc_rx_data(struct bnxt_rx_queue *rxq,
        rx_buf->mbuf = mbuf;
        mbuf->data_off = RTE_PKTMBUF_HEADROOM;
 
-       rxbd->addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));
+       rxbd->address = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));
 
        return 0;
 }
@@ -76,7 +76,7 @@ static inline int bnxt_alloc_ag_data(struct bnxt_rx_queue *rxq,
        rx_buf->mbuf = mbuf;
        mbuf->data_off = RTE_PKTMBUF_HEADROOM;
 
-       rxbd->addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));
+       rxbd->address = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));
 
        return 0;
 }
@@ -97,30 +97,11 @@ static inline void bnxt_reuse_rx_mbuf(struct bnxt_rx_ring_info *rxr,
 
        prod_bd = &rxr->rx_desc_ring[prod];
 
-       prod_bd->addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));
+       prod_bd->address = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));
 
        rxr->rx_prod = prod;
 }
 
-#ifdef BNXT_DEBUG
-static void bnxt_reuse_ag_mbuf(struct bnxt_rx_ring_info *rxr, uint16_t cons,
-                              struct rte_mbuf *mbuf)
-{
-       uint16_t prod = rxr->ag_prod;
-       struct bnxt_sw_rx_bd *prod_rx_buf;
-       struct rx_prod_pkt_bd *prod_bd, *cons_bd;
-
-       prod_rx_buf = &rxr->ag_buf_ring[prod];
-
-       prod_rx_buf->mbuf = mbuf;
-
-       prod_bd = &rxr->ag_desc_ring[prod];
-       cons_bd = &rxr->ag_desc_ring[cons];
-
-       prod_bd->addr = cons_bd->addr;
-}
-#endif
-
 static inline
 struct rte_mbuf *bnxt_consume_rx_buf(struct bnxt_rx_ring_info *rxr,
                                     uint16_t cons)
@@ -173,7 +154,7 @@ static void bnxt_tpa_start(struct bnxt_rx_queue *rxq,
        if (tpa_start1->flags2 &
            rte_cpu_to_le_32(RX_TPA_START_CMPL_FLAGS2_META_FORMAT_VLAN)) {
                mbuf->vlan_tci = rte_le_to_cpu_32(tpa_start1->metadata);
-               mbuf->ol_flags |= PKT_RX_VLAN;
+               mbuf->ol_flags |= PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED;
        }
        if (likely(tpa_start1->flags2 &
                   rte_cpu_to_le_32(RX_TPA_START_CMPL_FLAGS2_L4_CS_CALC)))
@@ -377,9 +358,6 @@ static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt,
        uint32_t tmp_raw_cons = *raw_cons;
        uint16_t cons, prod, cp_cons =
            RING_CMP(cpr->cp_ring_struct, tmp_raw_cons);
-#ifdef BNXT_DEBUG
-       uint16_t ag_cons;
-#endif
        struct rte_mbuf *mbuf;
        int rc = 0;
        uint8_t agg_buf = 0;
@@ -459,16 +437,20 @@ static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt,
                        (RX_PKT_CMPL_METADATA_VID_MASK |
                        RX_PKT_CMPL_METADATA_DE |
                        RX_PKT_CMPL_METADATA_PRI_MASK);
-               mbuf->ol_flags |= PKT_RX_VLAN;
+               mbuf->ol_flags |= PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED;
        }
 
        if (likely(RX_CMP_IP_CS_OK(rxcmp1)))
                mbuf->ol_flags |= PKT_RX_IP_CKSUM_GOOD;
+       else if (likely(RX_CMP_IP_CS_UNKNOWN(rxcmp1)))
+               mbuf->ol_flags |= PKT_RX_IP_CKSUM_UNKNOWN;
        else
                mbuf->ol_flags |= PKT_RX_IP_CKSUM_BAD;
 
        if (likely(RX_CMP_L4_CS_OK(rxcmp1)))
                mbuf->ol_flags |= PKT_RX_L4_CKSUM_GOOD;
+       else if (likely(RX_CMP_L4_CS_UNKNOWN(rxcmp1)))
+               mbuf->ol_flags |= PKT_RX_L4_CKSUM_UNKNOWN;
        else
                mbuf->ol_flags |= PKT_RX_L4_CKSUM_BAD;
 
@@ -478,8 +460,6 @@ static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt,
        if (rxcmp1->errors_v2 & RX_CMP_L2_ERRORS) {
                /* Re-install the mbuf back to the rx ring */
                bnxt_reuse_rx_mbuf(rxr, cons, mbuf);
-               if (agg_buf)
-                       bnxt_reuse_ag_mbuf(rxr, ag_cons, mbuf);
 
                rc = -EIO;
                goto next_rx;
@@ -534,9 +514,12 @@ uint16_t bnxt_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
        uint16_t prod = rxr->rx_prod;
        uint16_t ag_prod = rxr->ag_prod;
        int rc = 0;
+       bool evt = false;
 
-       /* If Rx Q was stopped return */
-       if (rxq->rx_deferred_start)
+       /* If Rx Q was stopped return. RxQ0 cannot be stopped. */
+       if (unlikely(((rxq->rx_deferred_start ||
+                      !rte_spinlock_trylock(&rxq->lock)) &&
+                     rxq->queue_id)))
                return 0;
 
        /* Handle RX burst request */
@@ -558,25 +541,37 @@ uint16_t bnxt_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
                                nb_rx_pkts++;
                        if (rc == -EBUSY)       /* partial completion */
                                break;
+               } else {
+                       evt =
+                       bnxt_event_hwrm_resp_handler(rxq->bp,
+                                                    (struct cmpl_base *)rxcmp);
                }
+
                raw_cons = NEXT_RAW_CMP(raw_cons);
-               if (nb_rx_pkts == nb_pkts)
+               if (nb_rx_pkts == nb_pkts || evt)
                        break;
+               /* Post some Rx buf early in case of larger burst processing */
+               if (nb_rx_pkts == BNXT_RX_POST_THRESH)
+                       bnxt_db_write(&rxr->rx_db, rxr->rx_prod);
        }
 
        cpr->cp_raw_cons = raw_cons;
-       if (prod == rxr->rx_prod && ag_prod == rxr->ag_prod) {
+       if (!nb_rx_pkts && !evt) {
                /*
                 * For PMD, there is no need to keep on pushing to REARM
                 * the doorbell if there are no new completions
                 */
-               return nb_rx_pkts;
+               goto done;
        }
 
-       B_CP_DIS_DB(cpr, cpr->cp_raw_cons);
-       B_RX_DB(rxr->rx_doorbell, rxr->rx_prod);
+       if (prod != rxr->rx_prod)
+               bnxt_db_write(&rxr->rx_db, rxr->rx_prod);
+
        /* Ring the AGG ring DB */
-       B_RX_DB(rxr->ag_doorbell, rxr->ag_prod);
+       if (ag_prod != rxr->ag_prod)
+               bnxt_db_write(&rxr->ag_db, rxr->ag_prod);
+
+       bnxt_db_cq(cpr);
 
        /* Attempt to alloc Rx buf in case of a previous allocation failure. */
        if (rc == -ENOMEM) {
@@ -593,7 +588,7 @@ uint16_t bnxt_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
                        /* This slot is empty. Alloc buffer for Rx */
                        if (!bnxt_alloc_rx_data(rxq, rxr, i)) {
                                rxr->rx_prod = i;
-                               B_RX_DB(rxr->rx_doorbell, rxr->rx_prod);
+                               bnxt_db_write(&rxr->rx_db, rxr->rx_prod);
                        } else {
                                PMD_DRV_LOG(ERR, "Alloc  mbuf failed\n");
                                break;
@@ -601,16 +596,22 @@ uint16_t bnxt_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
                }
        }
 
+done:
+       rte_spinlock_unlock(&rxq->lock);
+
        return nb_rx_pkts;
 }
 
 void bnxt_free_rx_rings(struct bnxt *bp)
 {
        int i;
+       struct bnxt_rx_queue *rxq;
 
-       for (i = 0; i < (int)bp->rx_nr_rings; i++) {
-               struct bnxt_rx_queue *rxq = bp->rx_queues[i];
+       if (!bp->rx_queues)
+               return;
 
+       for (i = 0; i < (int)bp->rx_nr_rings; i++) {
+               rxq = bp->rx_queues[i];
                if (!rxq)
                        continue;
 
@@ -636,11 +637,12 @@ void bnxt_free_rx_rings(struct bnxt *bp)
 int bnxt_init_rx_ring_struct(struct bnxt_rx_queue *rxq, unsigned int socket_id)
 {
        struct bnxt_cp_ring_info *cpr;
+       struct bnxt_cp_ring_info *nqr;
        struct bnxt_rx_ring_info *rxr;
        struct bnxt_ring *ring;
 
-       rxq->rx_buf_use_size = BNXT_MAX_MTU + ETHER_HDR_LEN + ETHER_CRC_LEN +
-                              (2 * VLAN_TAG_SIZE);
+       rxq->rx_buf_use_size = BNXT_MAX_MTU + RTE_ETHER_HDR_LEN +
+               RTE_ETHER_CRC_LEN + (2 * VLAN_TAG_SIZE);
        rxq->rx_buf_size = rxq->rx_buf_use_size + sizeof(struct rte_mbuf);
 
        rxr = rte_zmalloc_socket("bnxt_rx_ring",
@@ -684,6 +686,32 @@ int bnxt_init_rx_ring_struct(struct bnxt_rx_queue *rxq, unsigned int socket_id)
        ring->vmem_size = 0;
        ring->vmem = NULL;
 
+       if (BNXT_HAS_NQ(rxq->bp)) {
+               nqr = rte_zmalloc_socket("bnxt_rx_ring_cq",
+                                        sizeof(struct bnxt_cp_ring_info),
+                                        RTE_CACHE_LINE_SIZE, socket_id);
+               if (nqr == NULL)
+                       return -ENOMEM;
+
+               rxq->nq_ring = nqr;
+
+               ring = rte_zmalloc_socket("bnxt_rx_ring_struct",
+                                         sizeof(struct bnxt_ring),
+                                         RTE_CACHE_LINE_SIZE, socket_id);
+               if (ring == NULL)
+                       return -ENOMEM;
+
+               nqr->cp_ring_struct = ring;
+               ring->ring_size =
+                       rte_align32pow2(rxr->rx_ring_struct->ring_size *
+                                       (2 + AGG_RING_SIZE_FACTOR));
+               ring->ring_mask = ring->ring_size - 1;
+               ring->bd = (void *)nqr->cp_desc_ring;
+               ring->bd_dma = nqr->cp_desc_mapping;
+               ring->vmem_size = 0;
+               ring->vmem = NULL;
+       }
+
        /* Allocate Aggregator rings */
        ring = rte_zmalloc_socket("bnxt_rx_ring_struct",
                                   sizeof(struct bnxt_ring),