gtp: add GTPA_LINK info to msg sent to userspace

During a dump, this attribute is essential, it enables the userspace to know on which interface the context is linked to. Fixes: 459aa66 ("gtp: add initial driver for datapath of GPRS Tunneling Protocol (GTP-U)") Signed-off-by: Nicolas Dichtel <[email protected]> Tested-by: Gabriel Ganne <[email protected]> Signed-off-by: David S. Miller <[email protected]>
fracktal · Aug 25, 2020 · b274e47 · b274e47
1 parent 99408c4
commit b274e47
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c
@@ -1179,6 +1179,7 @@ static int gtp_genl_fill_info(struct sk_buff *skb, u32 snd_portid, u32 snd_seq,
 		goto nlmsg_failure;
 
 	if (nla_put_u32(skb, GTPA_VERSION, pctx->gtp_version) ||
+	    nla_put_u32(skb, GTPA_LINK, pctx->dev->ifindex) ||
 	    nla_put_be32(skb, GTPA_PEER_ADDRESS, pctx->peer_addr_ip4.s_addr) ||
 	    nla_put_be32(skb, GTPA_MS_ADDRESS, pctx->ms_addr_ip4.s_addr))
 		goto nla_put_failure;