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authorSarveshwar Bandi <sarveshwar.bandi@emulex.com>2012-11-21 04:35:03 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-01-11 09:03:34 -0800
commita8695e1c800bcf21dc9cf55044dd749a3f805427 (patch)
treed44e69723828992486214a2f2ee13ab20e947670 /drivers/net
parent881c0a027c495dd35992346176a40d39a7666fb9 (diff)
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bonding: Bonding driver does not consider the gso_max_size/gso_max_segs setting of slave devices.
[ Upstream commit 0e376bd0b791ac6ac6bdb051492df0769c840848 ] Patch sets the lowest gso_max_size and gso_max_segs values of the slave devices during enslave and detach. Signed-off-by: Sarveshwar Bandi <sarveshwar.bandi@emulex.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/bonding/bond_main.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 504e201..6f8b268 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1439,6 +1439,8 @@ static void bond_compute_features(struct bonding *bond)
struct net_device *bond_dev = bond->dev;
u32 vlan_features = BOND_VLAN_FEATURES;
unsigned short max_hard_header_len = ETH_HLEN;
+ unsigned int gso_max_size = GSO_MAX_SIZE;
+ u16 gso_max_segs = GSO_MAX_SEGS;
int i;
read_lock(&bond->lock);
@@ -1452,11 +1454,16 @@ static void bond_compute_features(struct bonding *bond)
if (slave->dev->hard_header_len > max_hard_header_len)
max_hard_header_len = slave->dev->hard_header_len;
+
+ gso_max_size = min(gso_max_size, slave->dev->gso_max_size);
+ gso_max_segs = min(gso_max_segs, slave->dev->gso_max_segs);
}
done:
bond_dev->vlan_features = vlan_features;
bond_dev->hard_header_len = max_hard_header_len;
+ bond_dev->gso_max_segs = gso_max_segs;
+ netif_set_gso_max_size(bond_dev, gso_max_size);
read_unlock(&bond->lock);