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gve: Recording rx queue before sending to napi
author
Tao Liu
<xliutaox@google.com>
Mon, 7 Feb 2022 17:59:01 +0000
(09:59 -0800)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Tue, 8 Mar 2022 18:12:41 +0000
(19:12 +0100)
[ 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
patch
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diff --git
a/drivers/net/ethernet/google/gve/gve_rx.c
b/drivers/net/ethernet/google/gve/gve_rx.c
index
629d8ed
..
9743196
100644
(file)
--- 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