net/failsafe: use ownership mechanism for slaves

[dpdk.git] / drivers / net / bnxt / bnxt_txr.c

diff --git a/drivers/net/bnxt/bnxt_txr.c b/drivers/net/bnxt/bnxt_txr.c
index 0d15bb1..2c81a37 100644 (file)
--- a/drivers/net/bnxt/bnxt_txr.c
+++ b/drivers/net/bnxt/bnxt_txr.c
@@ -101,7 +101,7 @@ int bnxt_init_tx_ring_struct(struct bnxt_tx_queue *txq, unsigned int socket_id)
        if (ring == NULL)
                return -ENOMEM;
        txr->tx_ring_struct = ring;
-       ring->ring_size = rte_align32pow2(txq->nb_tx_desc + 1);
+       ring->ring_size = rte_align32pow2(txq->nb_tx_desc);
        ring->ring_mask = ring->ring_size - 1;
        ring->bd = (void *)txr->tx_desc_ring;
        ring->bd_dma = txr->tx_desc_mapping;
@@ -161,7 +161,7 @@ static uint16_t bnxt_start_xmit(struct rte_mbuf *tx_pkt,
 
        if (tx_pkt->ol_flags & (PKT_TX_TCP_SEG | PKT_TX_TCP_CKSUM |
                                PKT_TX_UDP_CKSUM | PKT_TX_IP_CKSUM |
-                               PKT_TX_VLAN_PKT))
+                               PKT_TX_VLAN_PKT | PKT_TX_OUTER_IP_CKSUM))
                long_bd = true;
 
        tx_buf = &txr->tx_buf_ring[txr->tx_prod];
@@ -181,7 +181,7 @@ static uint16_t bnxt_start_xmit(struct rte_mbuf *tx_pkt,
                txbd->flags_type |= TX_BD_LONG_FLAGS_LHINT_GTE2K;
        else
                txbd->flags_type |= lhint_arr[txbd->len >> 9];
-       txbd->addr = rte_cpu_to_le_32(RTE_MBUF_DATA_DMA_ADDR(tx_buf->mbuf));
+       txbd->addr = rte_cpu_to_le_32(rte_mbuf_data_iova(tx_buf->mbuf));
 
        if (long_bd) {
                txbd->flags_type |= TX_BD_LONG_TYPE_TX_BD_LONG;
@@ -211,20 +211,44 @@ static uint16_t bnxt_start_xmit(struct rte_mbuf *tx_pkt,
 
                if (tx_pkt->ol_flags & PKT_TX_TCP_SEG) {
                        /* TSO */
-                       txbd1->lflags = TX_BD_LONG_LFLAGS_LSO;
+                       txbd1->lflags |= TX_BD_LONG_LFLAGS_LSO;
                        txbd1->hdr_size = tx_pkt->l2_len + tx_pkt->l3_len +
-                                       tx_pkt->l4_len;
+                                       tx_pkt->l4_len + tx_pkt->outer_l2_len +
+                                       tx_pkt->outer_l3_len;
                        txbd1->mss = tx_pkt->tso_segsz;
 
-               } else if (tx_pkt->ol_flags & (PKT_TX_TCP_CKSUM |
-                                       PKT_TX_UDP_CKSUM)) {
+               } else if ((tx_pkt->ol_flags & PKT_TX_OIP_IIP_TCP_UDP_CKSUM) ==
+                          PKT_TX_OIP_IIP_TCP_UDP_CKSUM) {
+                       /* Outer IP, Inner IP, Inner TCP/UDP CSO */
+                       txbd1->lflags |= TX_BD_FLG_TIP_IP_TCP_UDP_CHKSUM;
+                       txbd1->mss = 0;
+               } else if ((tx_pkt->ol_flags & PKT_TX_IIP_TCP_UDP_CKSUM) ==
+                          PKT_TX_IIP_TCP_UDP_CKSUM) {
+                       /* (Inner) IP, (Inner) TCP/UDP CSO */
+                       txbd1->lflags |= TX_BD_FLG_IP_TCP_UDP_CHKSUM;
+                       txbd1->mss = 0;
+               } else if ((tx_pkt->ol_flags & PKT_TX_OIP_TCP_UDP_CKSUM) ==
+                          PKT_TX_OIP_TCP_UDP_CKSUM) {
+                       /* Outer IP, (Inner) TCP/UDP CSO */
+                       txbd1->lflags |= TX_BD_FLG_TIP_TCP_UDP_CHKSUM;
+                       txbd1->mss = 0;
+               } else if ((tx_pkt->ol_flags & PKT_TX_OIP_IIP_CKSUM) ==
+                          PKT_TX_OIP_IIP_CKSUM) {
+                       /* Outer IP, Inner IP CSO */
+                       txbd1->lflags |= TX_BD_FLG_TIP_IP_CHKSUM;
+                       txbd1->mss = 0;
+               } else if ((tx_pkt->ol_flags & PKT_TX_TCP_UDP_CKSUM) ==
+                          PKT_TX_TCP_UDP_CKSUM) {
                        /* TCP/UDP CSO */
-                       txbd1->lflags = TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM;
+                       txbd1->lflags |= TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM;
                        txbd1->mss = 0;
-
                } else if (tx_pkt->ol_flags & PKT_TX_IP_CKSUM) {
                        /* IP CSO */
-                       txbd1->lflags = TX_BD_LONG_LFLAGS_IP_CHKSUM;
+                       txbd1->lflags |= TX_BD_LONG_LFLAGS_IP_CHKSUM;
+                       txbd1->mss = 0;
+               } else if (tx_pkt->ol_flags & PKT_TX_OUTER_IP_CKSUM) {
+                       /* IP CSO */
+                       txbd1->lflags |= TX_BD_LONG_LFLAGS_T_IP_CHKSUM;
                        txbd1->mss = 0;
                }
        } else {
@@ -238,7 +262,7 @@ static uint16_t bnxt_start_xmit(struct rte_mbuf *tx_pkt,
                tx_buf = &txr->tx_buf_ring[txr->tx_prod];
 
                txbd = &txr->tx_desc_ring[txr->tx_prod];
-               txbd->addr = rte_cpu_to_le_32(RTE_MBUF_DATA_DMA_ADDR(m_seg));
+               txbd->addr = rte_cpu_to_le_32(rte_mbuf_data_iova(m_seg));
                txbd->flags_type = TX_BD_SHORT_TYPE_TX_BD_SHORT;
                txbd->len = m_seg->data_len;
 
@@ -294,6 +318,9 @@ static int bnxt_handle_tx_cp(struct bnxt_tx_queue *txq)
 
                        if (!CMP_VALID(txcmp, raw_cons, cpr->cp_ring_struct))
                                break;
+                       cpr->valid = FLIP_VALID(cons,
+                                               cpr->cp_ring_struct->ring_mask,
+                                               cpr->valid);
 
                        if (CMP_TYPE(txcmp) == TX_CMPL_TYPE_TX_L2)
                                nb_tx_pkts++;
@@ -322,6 +349,11 @@ uint16_t bnxt_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
        /* Handle TX completions */
        bnxt_handle_tx_cp(txq);
 
+       /* Tx queue was stopped; wait for it to be restarted */
+       if (txq->tx_deferred_start) {
+               PMD_DRV_LOG(DEBUG, "Tx q stopped;return\n");
+               return 0;
+       }
        /* Handle TX burst request */
        for (nb_tx_pkts = 0; nb_tx_pkts < nb_pkts; nb_tx_pkts++) {
                if (bnxt_start_xmit(tx_pkts[nb_tx_pkts], txq)) {
@@ -337,3 +369,30 @@ uint16_t bnxt_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
 
        return nb_tx_pkts;
 }
+
+int bnxt_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
+{
+       struct bnxt *bp = (struct bnxt *)dev->data->dev_private;
+       struct bnxt_tx_queue *txq = bp->tx_queues[tx_queue_id];
+
+       dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
+       txq->tx_deferred_start = false;
+       PMD_DRV_LOG(DEBUG, "Tx queue started\n");
+
+       return 0;
+}
+
+int bnxt_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
+{
+       struct bnxt *bp = (struct bnxt *)dev->data->dev_private;
+       struct bnxt_tx_queue *txq = bp->tx_queues[tx_queue_id];
+
+       /* Handle TX completions */
+       bnxt_handle_tx_cp(txq);
+
+       dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
+       txq->tx_deferred_start = true;
+       PMD_DRV_LOG(DEBUG, "Tx queue stopped\n");
+
+       return 0;
+}