From 9036b2fe092a107856edd1a3bad48b83f2b45000 Mon Sep 17 00:00:00 2001 From: Francesco Ruggeri Date: Fri, 1 Mar 2019 15:31:03 -0800 Subject: net: ipv6: add socket option IPV6_ROUTER_ALERT_ISOLATE By default IPv6 socket with IPV6_ROUTER_ALERT socket option set will receive all IPv6 RA packets from all namespaces. IPV6_ROUTER_ALERT_ISOLATE socket option restricts packets received by the socket to be only from the socket's namespace. Signed-off-by: Maxim Martynov Signed-off-by: Francesco Ruggeri Reviewed-by: David Ahern Signed-off-by: David S. Miller --- include/linux/ipv6.h | 3 ++- include/uapi/linux/in6.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) (limited to 'include') diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h index 6d45ce784bea..ea7c7906591e 100644 --- a/include/linux/ipv6.h +++ b/include/linux/ipv6.h @@ -281,7 +281,8 @@ struct ipv6_pinfo { dontfrag:1, autoflowlabel:1, autoflowlabel_set:1, - mc_all:1; + mc_all:1, + rtalert_isolate:1; __u8 min_hopcount; __u8 tclass; __be32 rcv_flowinfo; diff --git a/include/uapi/linux/in6.h b/include/uapi/linux/in6.h index 71d82fe15b03..9f2273a08356 100644 --- a/include/uapi/linux/in6.h +++ b/include/uapi/linux/in6.h @@ -178,6 +178,7 @@ struct in6_flowlabel_req { #define IPV6_JOIN_ANYCAST 27 #define IPV6_LEAVE_ANYCAST 28 #define IPV6_MULTICAST_ALL 29 +#define IPV6_ROUTER_ALERT_ISOLATE 30 /* IPV6_MTU_DISCOVER values */ #define IPV6_PMTUDISC_DONT 0 -- cgit v1.2.3