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authorPaul Davey <paul.davey@alliedtelesis.co.nz>2020-09-08 10:04:06 +1200
committerDavid S. Miller <davem@davemloft.net>2020-09-10 12:25:51 -0700
commit501cb008906631a019f3ab2104a17ef8b2651ed0 (patch)
tree4dcb07a82321774035961c92f562a565d3715994 /net/ipv4/ipmr.c
parentnet: dsa: b53: Report VLAN table occupancy via devlink (diff)
downloadlinux-dev-501cb008906631a019f3ab2104a17ef8b2651ed0.tar.xz
linux-dev-501cb008906631a019f3ab2104a17ef8b2651ed0.zip
ipmr: Add route table ID to netlink cache reports
Insert the multicast route table ID as a Netlink attribute to Netlink cache report notifications. When multiple route tables are in use it is necessary to have a way to determine which route table a given cache report belongs to when receiving the cache report. Signed-off-by: Paul Davey <paul.davey@alliedtelesis.co.nz> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
-rw-r--r--net/ipv4/ipmr.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 876fd6ff1ff9..19b2f586319b 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -2396,6 +2396,7 @@ static size_t igmpmsg_netlink_msgsize(size_t payloadlen)
+ nla_total_size(4) /* IPMRA_CREPORT_VIF_ID */
+ nla_total_size(4) /* IPMRA_CREPORT_SRC_ADDR */
+ nla_total_size(4) /* IPMRA_CREPORT_DST_ADDR */
+ + nla_total_size(4) /* IPMRA_CREPORT_TABLE */
/* IPMRA_CREPORT_PKT */
+ nla_total_size(payloadlen)
;
@@ -2431,7 +2432,8 @@ static void igmpmsg_netlink_event(struct mr_table *mrt, struct sk_buff *pkt)
nla_put_in_addr(skb, IPMRA_CREPORT_SRC_ADDR,
msg->im_src.s_addr) ||
nla_put_in_addr(skb, IPMRA_CREPORT_DST_ADDR,
- msg->im_dst.s_addr))
+ msg->im_dst.s_addr) ||
+ nla_put_u32(skb, IPMRA_CREPORT_TABLE, mrt->id))
goto nla_put_failure;
nla = nla_reserve(skb, IPMRA_CREPORT_PKT, payloadlen);