From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [PATCH net-2.6] bonding: Bonding driver does not consider the gso_max_size/gso_max_segs setting of slave devices. Date: Wed, 21 Nov 2012 20:05:03 +0530 Message-ID: <649de771-427a-4876-af3c-9f84a164a7f1@CMEXHTCAS2.ad.emulex.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , Sarveshwar Bandi To: Return-path: Received: from cmexedge2.ext.emulex.com ([138.239.224.100]:56755 "EHLO CMEXEDGE2.ext.emulex.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754620Ab2KUOfA (ORCPT ); Wed, 21 Nov 2012 09:35:00 -0500 Sender: netdev-owner@vger.kernel.org List-ID: From: Sarveshwar Bandi 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 --- drivers/net/bonding/bond_main.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index b2530b0..5f5b69f 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1379,6 +1379,8 @@ static void bond_compute_features(struct bonding *bond) struct net_device *bond_dev = bond->dev; netdev_features_t 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; unsigned int flags, dst_release_flag = IFF_XMIT_DST_RELEASE; @@ -1394,11 +1396,16 @@ static void bond_compute_features(struct bonding *bond) dst_release_flag &= slave->dev->priv_flags; 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); flags = bond_dev->priv_flags & ~IFF_XMIT_DST_RELEASE; bond_dev->priv_flags = flags | dst_release_flag; -- 1.7.9.5