Thread (25 messages) flat view 25 messages, 5 authors, 2022-05-11
STALE1546d

Revision v5 of 8 in this series.

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[PATCH v5 net-next 11/13] veth: enable BIG TCP packets

From: Eric Dumazet <hidden>
Date: 2022-05-09 22:22:39
Subsystem: networking drivers, the rest · Maintainers: Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

From: Eric Dumazet <edumazet@google.com>

Set the TSO driver limit to GSO_MAX_SIZE (512 KB).

This allows the admin/user to set a GSO limit up to this value.

ip link set dev veth10 gso_max_size 200000

Signed-off-by: Eric Dumazet <edumazet@google.com>
---
 drivers/net/veth.c | 1 +
 1 file changed, 1 insertion(+)
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index f474e79a774580e4cb67da44b5f0c796c3ce8abb..466da01ba2e3e97ba9eb16586b6d5d9f092b3d76 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -1647,6 +1647,7 @@ static void veth_setup(struct net_device *dev)
 	dev->hw_features = VETH_FEATURES;
 	dev->hw_enc_features = VETH_FEATURES;
 	dev->mpls_features = NETIF_F_HW_CSUM | NETIF_F_GSO_SOFTWARE;
+	netif_set_tso_max_size(dev, GSO_MAX_SIZE);
 }
 
 /*
-- 
2.36.0.512.ge40c2bad7a-goog
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