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The device may expose fewer completion vectors than Rx queues (the RHEL 8.10 mana_ib driver reports one), so ibv_create_cq() fails with EINVAL for queue 1 and the port does not start. Spread the queues over the vectors the device has. Fixes: afd5d170727e ("net/mana: support Rx interrupts") Cc: stable@dpdk.org Signed-off-by: Orgad Shaneh --- Builds on main (meson -Dwerror=true, gcc 14, rdma-core 56). In use on 26.07 on an Azure MANA VF. .mailmap | 1 + drivers/net/mana/rx.c | 3 ++- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/.mailmap b/.mailmap index 08317e81e6..61d5c6df00 100644 --- a/.mailmap +++ b/.mailmap @@ -1265,6 +1265,7 @@ Omkar Maslekar Omri Mor Ophir Munk Or Ami +Orgad Shaneh Ori Kam Ouyang Hao Owen Hilyard diff --git a/drivers/net/mana/rx.c b/drivers/net/mana/rx.c index 274c6e88ce..aa21136167 100644 --- a/drivers/net/mana/rx.c +++ b/drivers/net/mana/rx.c @@ -289,7 +289,8 @@ mana_start_rx_queues(struct rte_eth_dev *dev) rxq->cq = ibv_create_cq(priv->ib_ctx, rxq->num_desc, NULL, rxq->channel, - rxq->channel ? i : 0); + rxq->channel ? + i % priv->ib_ctx->num_comp_vectors : 0); if (!rxq->cq) { ret = -errno; DRV_LOG(ERR, "failed to create rx cq queue %d", i); -- 2.53.0