[dpdk-dev] [PATCH v6] net/ixgbe: fix tx_q check failed on PF
Yanglong Wu
yanglong.wu at intel.com
Wed Jan 10 02:51:36 CET 2018
Tx_q check failed on PF that occurred when the SRIOV is active
and tx_q > rx_q. The tx_q is equal to nb_q_per_pool. The number
of nb_q_per_pool should equeal to max number of queues supported
by HW not nb_rx_q.
Fixes: 27b609cbd1c6 (ethdev: move the multi-queue mode check to
specific drivers)
Signed-off-by: Yanglong Wu <yanglong.wu at intel.com>
---
v5:
Rework according to comments
---
v6:
rework commit log
---
drivers/net/ixgbe/ixgbe_ethdev.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index ff19a564a..baaeee5d9 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -95,6 +95,9 @@
/* Timer value included in XOFF frames. */
#define IXGBE_FC_PAUSE 0x680
+/*Default value of Max Rx Queue*/
+#define IXGBE_MAX_RX_QUEUE_NUM 128
+
#define IXGBE_LINK_DOWN_CHECK_TIMEOUT 4000 /* ms */
#define IXGBE_LINK_UP_CHECK_TIMEOUT 1000 /* ms */
#define IXGBE_VMDQ_NUM_UC_MAC 4096 /* Maximum nb. of UC MAC addr. */
@@ -2194,9 +2197,10 @@ ixgbe_check_vf_rss_rxq_num(struct rte_eth_dev *dev, uint16_t nb_rx_q)
return -EINVAL;
}
- RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool = nb_rx_q;
- RTE_ETH_DEV_SRIOV(dev).def_pool_q_idx = pci_dev->max_vfs * nb_rx_q;
-
+ RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool =
+ IXGBE_MAX_RX_QUEUE_NUM / RTE_ETH_DEV_SRIOV(dev).active;
+ RTE_ETH_DEV_SRIOV(dev).def_pool_q_idx =
+ pci_dev->max_vfs * RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool;
return 0;
}
--
2.11.0
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