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Subject[PATCH 5.15 121/262] gve: Recording rx queue before sending to napi
Date
From: Tao Liu <xliutaox@google.com>

[ Upstream commit 084cbb2ec3af2d23be9de65fcc9493e21e265859 ]

This caused a significant performance degredation when using generic XDP
with multiple queues.

Fixes: f5cedc84a30d2 ("gve: Add transmit and receive support")
Signed-off-by: Tao Liu <xliutaox@google.com>
Link: https://lore.kernel.org/r/20220207175901.2486596-1-jeroendb@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/ethernet/google/gve/gve_rx.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/google/gve/gve_rx.c b/drivers/net/ethernet/google/gve/gve_rx.c
index 629d8ed08fc61..97431969a488f 100644
--- a/drivers/net/ethernet/google/gve/gve_rx.c
+++ b/drivers/net/ethernet/google/gve/gve_rx.c
@@ -450,6 +450,7 @@ static bool gve_rx(struct gve_rx_ring *rx, struct gve_rx_desc *rx_desc,
skb_set_hash(skb, be32_to_cpu(rx_desc->rss_hash),
gve_rss_type(rx_desc->flags_seq));

+ skb_record_rx_queue(skb, rx->q_num);
if (skb_is_nonlinear(skb))
napi_gro_frags(napi);
else
--
2.34.1


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