netdev - [PATCH v4 net-next 12/14] ipvlan: enable BIG TCP Packets

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Message-Id: <20220310054703.849899-13-eric.dumazet@gmail.com>
Date:   Wed,  9 Mar 2022 21:47:01 -0800
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     netdev <netdev@...r.kernel.org>,
        Alexander Duyck <alexanderduyck@...com>,
        Coco Li <lixiaoyan@...gle.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Eric Dumazet <eric.dumazet@...il.com>
Subject: [PATCH v4 net-next 12/14] ipvlan: enable BIG TCP Packets

From: Coco Li <lixiaoyan@...gle.com>

Inherit tso_ipv6_max_size from physical device.

Tested:

eth0 tso_ipv6_max_size is set to 524288

ip link add link eth0 name ipvl1 type ipvlan
ip -d link show ipvl1
10: ipvl1@...0:...
	ipvlan  mode l3 bridge addrgenmode eui64 numtxqueues 1 numrxqueues 1 gso_max_size 65536 gso_max_segs 65535 gro_max_size 65536 gso_ipv6_max_size 65535 tso_ipv6_max_size 524288 gro_ipv6_max_size 65536

Signed-off-by: Coco Li <lixiaoyan@...gle.com>
Signed-off-by: Eric Dumazet <edumazet@...gle.com>
---
 drivers/net/ipvlan/ipvlan_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c
index 696e245f6d009d4d5d4a9c3523e4aa1e5d0f8bb6..4de30df25f19b32a78a06d18c99e94662307b7fb 100644
--- a/drivers/net/ipvlan/ipvlan_main.c
+++ b/drivers/net/ipvlan/ipvlan_main.c
@@ -141,6 +141,7 @@ static int ipvlan_init(struct net_device *dev)
 	dev->hw_enc_features |= dev->features;
 	netif_set_gso_max_size(dev, phy_dev->gso_max_size);
 	netif_set_gso_max_segs(dev, phy_dev->gso_max_segs);
+	netif_set_tso_ipv6_max_size(dev, phy_dev->tso_ipv6_max_size);
 	dev->hard_header_len = phy_dev->hard_header_len;
 
 	netdev_lockdep_set_classes(dev);
-- 
2.35.1.616.g0bdcbb4464-goog