netdev - [PATCH net-next 3/3] net: veth: Set features for MPLS

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1471626542-13335-4-git-send-email-dsa@cumulusnetworks.com>
Date:   Fri, 19 Aug 2016 10:09:02 -0700
From:   David Ahern <dsa@...ulusnetworks.com>
To:     netdev@...r.kernel.org, davem@...emloft.net
Cc:     buytenh@...tstofly.org, simon.horman@...ronome.com,
        ebiederm@...ssion.com, rshearma@...cade.com, tom@...bertland.com,
        tgraf@...g.ch, olivier.dugeon@...nge.com,
        alexander.duyck@...il.com, roopa@...ulusnetworks.com,
        David Ahern <dsa@...ulusnetworks.com>
Subject: [PATCH net-next 3/3] net: veth: Set features for MPLS

veth does not really transmit packets only moves the skb from one
netdev to another so gso and checksum is not really needed. Add
the features to mpls_features to get the same benefit and performance
with MPLS as without it.

Reported-by: Lennert Buytenhek <buytenh@...tstofly.org>
Signed-off-by: David Ahern <dsa@...ulusnetworks.com>
---
 drivers/net/veth.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index f37a6e61d4ad..5db320a4d5cf 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -340,6 +340,7 @@ static void veth_setup(struct net_device *dev)
 
 	dev->hw_features = VETH_FEATURES;
 	dev->hw_enc_features = VETH_FEATURES;
+	dev->mpls_features = NETIF_F_HW_CSUM | NETIF_F_GSO_SOFTWARE;
 }
 
 /*
-- 
2.1.4