From: Justin Iurman <justin.iurman@uliege.be>
Date: Mon, 26 Feb 2024 13:14:12 +0000 (+0100)
Subject: net: exthdrs: ioam6: send trace event
X-Git-Tag: microblaze-v6.10~161^2~162^2
X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=f655c78d6225f585ef60a9d93ffb79d507ff3ad3;p=linux-2.6-microblaze.git

net: exthdrs: ioam6: send trace event

If we're processing an IOAM Pre-allocated Trace Option-Type (the only
one supported currently), then send the trace as an ioam6 event to the
netlink multicast group. This way, user space apps will be able to
collect IOAM data.

Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Justin Iurman <justin.iurman@uliege.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 02e9ffb63af1..727792907d6c 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -50,6 +50,7 @@
 #endif
 #include <net/rpl.h>
 #include <linux/ioam6.h>
+#include <linux/ioam6_genl.h>
 #include <net/ioam6.h>
 #include <net/dst_metadata.h>
 
@@ -954,6 +955,9 @@ static bool ipv6_hop_ioam(struct sk_buff *skb, int optoff)
 						   + optoff + sizeof(*hdr));
 
 		ioam6_fill_trace_data(skb, ns, trace, true);
+
+		ioam6_event(IOAM6_EVENT_TRACE, dev_net(skb->dev),
+			    GFP_ATOMIC, (void *)trace, hdr->opt_len - 2);
 		break;
 	default:
 		break;