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net: exthdrs: ioam6: send trace event

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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>
This commit is contained in:
Justin Iurman 2024-02-26 14:14:12 +01:00 committed by David S. Miller
parent 67c8e4bb4f
commit f655c78d62
1 changed files with 4 additions and 0 deletions
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4
net/ipv6/exthdrs.c
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@ -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;