netdev - [PATCH v4 net-next 10/14] bonding: update dev->tso_ipv6_max

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Message-Id: <20220310054703.849899-11-eric.dumazet@gmail.com>
Date:   Wed,  9 Mar 2022 21:46:59 -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 10/14] 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 55e0ba2a163d0d9c17fdaf47a49d7a2190959651..357188c1f00e6e3919740adb6369d75712fc4e64 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1420,6 +1420,7 @@ 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))
@@ -1450,6 +1451,7 @@ 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;
@@ -1465,6 +1467,7 @@ 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) &&
-- 
2.35.1.616.g0bdcbb4464-goog