net/ixgbe: remove limit of Tx burst size

[dpdk.git] / drivers / net / ixgbe / ixgbe_rxtx.c

diff --git a/drivers/net/ixgbe/ixgbe_rxtx.c b/drivers/net/ixgbe/ixgbe_rxtx.c
index 0b7c03e..4398719 100644 (file)
--- a/drivers/net/ixgbe/ixgbe_rxtx.c
+++ b/drivers/net/ixgbe/ixgbe_rxtx.c
@@ -111,6 +111,11 @@
 #define rte_ixgbe_prefetch(p)   do {} while (0)
 #endif
 
+#ifdef RTE_IXGBE_INC_VECTOR
+uint16_t ixgbe_xmit_fixed_burst_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
+                                   uint16_t nb_pkts);
+#endif
+
 /*********************************************************************
  *
  *  TX functions
@@ -363,6 +368,30 @@ ixgbe_xmit_pkts_simple(void *tx_queue, struct rte_mbuf **tx_pkts,
        return nb_tx;
 }
 
+#ifdef RTE_IXGBE_INC_VECTOR
+static uint16_t
+ixgbe_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
+                   uint16_t nb_pkts)
+{
+       uint16_t nb_tx = 0;
+       struct ixgbe_tx_queue *txq = (struct ixgbe_tx_queue *)tx_queue;
+
+       while (nb_pkts) {
+               uint16_t ret, num;
+
+               num = (uint16_t)RTE_MIN(nb_pkts, txq->tx_rs_thresh);
+               ret = ixgbe_xmit_fixed_burst_vec(tx_queue, &tx_pkts[nb_tx],
+                                                num);
+               nb_tx += ret;
+               nb_pkts -= ret;
+               if (ret < num)
+                       break;
+       }
+
+       return nb_tx;
+}
+#endif
+
 static inline void
 ixgbe_set_xmit_ctx(struct ixgbe_tx_queue *txq,
                volatile struct ixgbe_adv_tx_context_desc *ctx_txd,
@@ -3814,6 +3843,15 @@ ixgbe_dcb_hw_configure(struct rte_eth_dev *dev,
                        tc->path[IXGBE_DCB_TX_CONFIG].bwg_percent = 0;
                        tc->path[IXGBE_DCB_RX_CONFIG].bwg_percent = 0;
                }
+       } else {
+               /* Re-configure 8 TCs BW */
+               for (i = 0; i < nb_tcs; i++) {
+                       tc = &dcb_config->tc_config[i];
+                       tc->path[IXGBE_DCB_TX_CONFIG].bwg_percent =
+                               (uint8_t)(100 / nb_tcs + (i & 1));
+                       tc->path[IXGBE_DCB_RX_CONFIG].bwg_percent =
+                               (uint8_t)(100 / nb_tcs + (i & 1));
+               }
        }
 
        switch (hw->mac.type) {
@@ -4191,9 +4229,8 @@ ixgbe_dev_mq_rx_configure(struct rte_eth_dev *dev)
                        break;
                }
        } else {
-               /*
-                * SRIOV active scheme
-                * Support RSS together with VMDq & SRIOV
+               /* SRIOV active scheme
+                * Support RSS together with SRIOV.
                 */
                switch (dev->data->dev_conf.rxmode.mq_mode) {
                case ETH_MQ_RX_RSS:
@@ -4201,10 +4238,13 @@ ixgbe_dev_mq_rx_configure(struct rte_eth_dev *dev)
                        ixgbe_config_vf_rss(dev);
                        break;
                case ETH_MQ_RX_VMDQ_DCB:
+               case ETH_MQ_RX_DCB:
+               /* In SRIOV, the configuration is the same as VMDq case */
                        ixgbe_vmdq_dcb_configure(dev);
                        break;
-               /* FIXME if support DCB/RSS together with VMDq & SRIOV */
+               /* DCB/RSS together with SRIOV is not supported */
                case ETH_MQ_RX_VMDQ_DCB_RSS:
+               case ETH_MQ_RX_DCB_RSS:
                        PMD_INIT_LOG(ERR,
                                "Could not support DCB/RSS with VMDq & SRIOV");
                        return -1;