Message ID | 1479287146-25766-1-git-send-email-david.lebrun@uclouvain.be |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
From: David Lebrun <david.lebrun@uclouvain.be> Date: Wed, 16 Nov 2016 10:05:46 +0100 > This patch changes the lwtunnel_headroom() function which is called > in ipv4_mtu() and ip6_mtu(), to also return the correct headroom > value when the lwtunnel state is OUTPUT_REDIRECT. > > This patch enables e.g. SR-IPv6 encapsulations to work without > manually setting the route mtu. > > Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com> > Signed-off-by: David Lebrun <david.lebrun@uclouvain.be> Applied, thanks David.
diff --git a/include/net/lwtunnel.h b/include/net/lwtunnel.h index 82e76fe..d4c1c75 100644 --- a/include/net/lwtunnel.h +++ b/include/net/lwtunnel.h @@ -94,7 +94,8 @@ static inline bool lwtunnel_xmit_redirect(struct lwtunnel_state *lwtstate) static inline unsigned int lwtunnel_headroom(struct lwtunnel_state *lwtstate, unsigned int mtu) { - if (lwtunnel_xmit_redirect(lwtstate) && lwtstate->headroom < mtu) + if ((lwtunnel_xmit_redirect(lwtstate) || + lwtunnel_output_redirect(lwtstate)) && lwtstate->headroom < mtu) return lwtstate->headroom; return 0;