Message ID | 20241004161933.120219-1-daniel@iogearbox.net (mailing list archive) |
---|---|
State | Superseded |
Delegated to: | Netdev Maintainers |
Headers | show |
Series | [net-next] wireguard: Wire-up big tcp support | expand |
diff --git a/drivers/net/wireguard/device.c b/drivers/net/wireguard/device.c index 45e9b908dbfb..79be517b2216 100644 --- a/drivers/net/wireguard/device.c +++ b/drivers/net/wireguard/device.c @@ -301,6 +301,7 @@ static void wg_setup(struct net_device *dev) /* We need to keep the dst around in case of icmp replies. */ netif_keep_dst(dev); + netif_set_tso_max_size(dev, GSO_MAX_SIZE); memset(wg, 0, sizeof(*wg)); wg->dev = dev;
Advertise GSO_MAX_SIZE as TSO max size in order support BIG TCP for wireguard. This helps to improve wireguard performance a bit when enabled as it allows wireguard to aggregate larger skbs in wg_packet_consume_data_done() via napi_gro_receive(), but also allows the stack to build larger skbs on xmit where the driver then segments them before encryption inside wg_xmit(). Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Cc: Jason A. Donenfeld <Jason@zx2c4.com> Cc: Anton Protopopov <aspsk@isovalent.com> Cc: Martynas Pumputis <m@lambda.lt> --- drivers/net/wireguard/device.c | 1 + 1 file changed, 1 insertion(+)