net/ixgbe: allocate TC bandwidth

[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 4398719..eb7960b 100644 (file)
--- a/drivers/net/ixgbe/ixgbe_rxtx.c
+++ b/drivers/net/ixgbe/ixgbe_rxtx.c
@@ -3762,6 +3762,8 @@ ixgbe_dcb_hw_configure(struct rte_eth_dev *dev,
        uint32_t max_frame = dev->data->mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
        struct ixgbe_hw *hw =
                        IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct ixgbe_bw_conf *bw_conf =
+               IXGBE_DEV_PRIVATE_TO_BW_CONF(dev->data->dev_private);
 
        switch (dev->data->dev_conf.rxmode.mq_mode) {
        case ETH_MQ_RX_VMDQ_DCB:
@@ -3833,8 +3835,9 @@ ixgbe_dcb_hw_configure(struct rte_eth_dev *dev,
                /* Re-configure 4 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);
+                       if (bw_conf->tc_num != nb_tcs)
+                               tc->path[IXGBE_DCB_TX_CONFIG].bwg_percent =
+                                       (uint8_t)(100 / nb_tcs);
                        tc->path[IXGBE_DCB_RX_CONFIG].bwg_percent =
                                                (uint8_t)(100 / nb_tcs);
                }
@@ -3847,8 +3850,9 @@ ixgbe_dcb_hw_configure(struct rte_eth_dev *dev,
                /* 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));
+                       if (bw_conf->tc_num != nb_tcs)
+                               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));
                }