diff options
| -rw-r--r-- | include/uapi/linux/if_tunnel.h | 1 | ||||
| -rw-r--r-- | net/ipv4/ipip.c | 6 |
2 files changed, 6 insertions, 1 deletions
diff --git a/include/uapi/linux/if_tunnel.h b/include/uapi/linux/if_tunnel.h index f5ea6b7b651f..5ab0c8ddc2bc 100644 --- a/include/uapi/linux/if_tunnel.h +++ b/include/uapi/linux/if_tunnel.h @@ -48,6 +48,7 @@ enum { IFLA_IPTUN_FLOWINFO, IFLA_IPTUN_FLAGS, IFLA_IPTUN_PROTO, + IFLA_IPTUN_PMTUDISC, __IFLA_IPTUN_MAX, }; #define IFLA_IPTUN_MAX (__IFLA_IPTUN_MAX - 1) diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c index 4be88cc98957..1fc0ea4786b9 100644 --- a/net/ipv4/ipip.c +++ b/net/ipv4/ipip.c @@ -835,6 +835,8 @@ static size_t ipip_get_size(const struct net_device *dev) nla_total_size(1) + /* IFLA_IPTUN_TOS */ nla_total_size(1) + + /* IFLA_IPTUN_PMTUDISC */ + nla_total_size(1) + 0; } @@ -847,7 +849,9 @@ static int ipip_fill_info(struct sk_buff *skb, const struct net_device *dev) nla_put_be32(skb, IFLA_IPTUN_LOCAL, parm->iph.saddr) || nla_put_be32(skb, IFLA_IPTUN_REMOTE, parm->iph.daddr) || nla_put_u8(skb, IFLA_IPTUN_TTL, parm->iph.ttl) || - nla_put_u8(skb, IFLA_IPTUN_TOS, parm->iph.tos)) + nla_put_u8(skb, IFLA_IPTUN_TOS, parm->iph.tos) || + nla_put_u8(skb, IFLA_IPTUN_PMTUDISC, + !!(parm->iph.frag_off & htons(IP_DF)))) goto nla_put_failure; return 0; |