netdev - [PATCH net-next 11/15] bonding: update dev->tso_ipv6_max

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Message-Id: <20220203015140.3022854-12-eric.dumazet@gmail.com>
Date:   Wed,  2 Feb 2022 17:51:36 -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>,
        Eric Dumazet <edumazet@...gle.com>,
        Coco Li <lixiaoyan@...gle.com>,
        Eric Dumazet <eric.dumazet@...il.com>
Subject: [PATCH net-next 11/15] bonding: update dev->tso_ipv6_max_size

From: Eric Dumazet <edumazet@...gle.com>

Use the minimal value found in the set of lower devices.

Signed-off-by: Eric Dumazet <edumazet@...gle.com>
---
 drivers/net/bonding/bond_main.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 238b56d77c369d9595d55bc681c2191c49dd2905..053ade451ab1647dc099b7ce1cfd89c333c1b60f 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1419,6 +1419,7 @@ static void bond_compute_features(struct bonding *bond)
 	struct slave *slave;
 	unsigned short max_hard_header_len = ETH_HLEN;
 	unsigned int gso_max_size = GSO_MAX_SIZE;
+	unsigned int tso_ipv6_max_size = ~0U;
 	u16 gso_max_segs = GSO_MAX_SEGS;
 
 	if (!bond_has_slaves(bond))
@@ -1449,6 +1450,7 @@ static void bond_compute_features(struct bonding *bond)
 			max_hard_header_len = slave->dev->hard_header_len;
 
 		gso_max_size = min(gso_max_size, slave->dev->gso_max_size);
+		tso_ipv6_max_size = min(tso_ipv6_max_size, slave->dev->tso_ipv6_max_size);
 		gso_max_segs = min(gso_max_segs, slave->dev->gso_max_segs);
 	}
 	bond_dev->hard_header_len = max_hard_header_len;
@@ -1464,6 +1466,7 @@ static void bond_compute_features(struct bonding *bond)
 	bond_dev->mpls_features = mpls_features;
 	netif_set_gso_max_segs(bond_dev, gso_max_segs);
 	netif_set_gso_max_size(bond_dev, gso_max_size);
+	netif_set_tso_ipv6_max_size(bond_dev, tso_ipv6_max_size);
 
 	bond_dev->priv_flags &= ~IFF_XMIT_DST_RELEASE;
 	if ((bond_dev->priv_flags & IFF_XMIT_DST_RELEASE_PERM) &&
-- 
2.35.0.rc2.247.g8bbb082509-goog