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net: ifb: support BIG TCP packets

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Set the driver limit to GSO_MAX_SIZE (512 KB).

This allows the admin/user to set a GSO limit up to this value, to
avoid segmenting too large GRO packets in the netem -> ifb path.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250701084540.459261-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Eric Dumazet
2025-07-02 14:46:19 -07:00
committed by Jakub Kicinski
parent 7945fe4858
commit 7d2dabaa17
1 changed files with 1 additions and 0 deletions
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drivers/net/ifb.c
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@@ -333,6 +333,7 @@ static void ifb_setup(struct net_device *dev)
dev->min_mtu = 0;
dev->max_mtu = 0;
netif_set_tso_max_size(dev, GSO_MAX_SIZE);
}
static netdev_tx_t ifb_xmit(struct sk_buff *skb, struct net_device *dev)