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netdevsim: pass packets thru GRO on Rx

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To replace veth in software GRO testing with netdevsim we need
GRO support in netdevsim. Luckily we already have NAPI support
so this change is trivial (compared to veth).

Reviewed-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20251120021024.2944527-9-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2025-11-19 18:10:20 -08:00
parent 15011a57d0
commit 40dd789bc5
1 changed files with 2 additions and 7 deletions
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9
drivers/net/netdevsim/netdev.c
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@ -433,13 +433,8 @@ static int nsim_rcv(struct nsim_rq *rq, int budget)
}
/* skb might be discard at netif_receive_skb, save the len */
skblen = skb->len;
skb_mark_napi_id(skb, &rq->napi);
ret = netif_receive_skb(skb);
if (ret == NET_RX_SUCCESS)
dev_dstats_rx_add(dev, skblen);
else
dev_dstats_rx_dropped(dev);
dev_dstats_rx_add(dev, skb->len);
napi_gro_receive(&rq->napi, skb);
}
nsim_start_peer_tx_queue(dev, rq);