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mana: remove redundant doorbell in mana_poll_rx_cq()

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With the last commit to refill the rx mbuf in batch, the doorbell
in mana_poll_rx_cq() becomes redundant. Remove it to save a few
microseconds spent in mmio call.

Reported by:	NetApp
Reviewed by:	Tallamraju, Sai
Tested by:	whu
Fixes:		9b8701b8 ("mana: refill the rx mbuf in batch")
MFC after:	3 days
Sponsored by:	Microsoft
This commit is contained in:
Wei Hu 2025-03-14 05:26:45 +00:00
parent f7856fe81d
commit 47f4137e44
1 changed files with 0 additions and 7 deletions
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7
sys/dev/mana/mana_en.c
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@ -1890,13 +1890,6 @@ mana_poll_rx_cq(struct mana_cq *cq)
mana_process_rx_cqe(cq->rxq, cq, &comp[i]);
}
if (comp_read > 0) {
struct gdma_context *gc =
cq->rxq->gdma_rq->gdma_dev->gdma_context;
mana_gd_wq_ring_doorbell(gc, cq->rxq->gdma_rq);
}
tcp_lro_flush_all(&cq->rxq->lro);
}