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authorTuong Lien <tuong.t.lien@dektech.com.au>2020-05-26 12:38:37 +0300
committerDavid S. Miller <davem@davemloft.net>2020-05-27 01:16:52 +0300
commit03b6fefd9bb4844c75faeb10df8496794e2fd5da (patch)
tree72d0fabc0d4899add9aa90ca26397dd0101ffda3 /net/tipc/trace.h
parenta91d55d162b86fb983b88f44296149752db7efbd (diff)
downloadlinux-03b6fefd9bb4844c75faeb10df8496794e2fd5da.tar.xz
tipc: add support for broadcast rcv stats dumping
This commit enables dumping the statistics of a broadcast-receiver link like the traditional 'broadcast-link' one (which is for broadcast- sender). The link dumping can be triggered via netlink (e.g. the iproute2/tipc tool) by the link flag - 'TIPC_NLA_LINK_BROADCAST' as the indicator. The name of a broadcast-receiver link of a specific peer will be in the format: 'broadcast-link:<peer-id>'. For example: Link <broadcast-link:1001002> Window:50 packets RX packets:7841 fragments:2408/440 bundles:0/0 TX packets:0 fragments:0/0 bundles:0/0 RX naks:0 defs:124 dups:0 TX naks:21 acks:0 retrans:0 Congestion link:0 Send queue max:0 avg:0 In addition, the broadcast-receiver link statistics can be reset in the usual way via netlink by specifying that link name in command. Note: the 'tipc_link_name_ext()' is removed because the link name can now be retrieved simply via the 'l->name'. Acked-by: Ying Xue <ying.xue@windriver.com> Acked-by: Jon Maloy <jmaloy@redhat.com> Signed-off-by: Tuong Lien <tuong.t.lien@dektech.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc/trace.h')
-rw-r--r--net/tipc/trace.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/tipc/trace.h b/net/tipc/trace.h
index e7535ab75255..04af83f0500c 100644
--- a/net/tipc/trace.h
+++ b/net/tipc/trace.h
@@ -255,7 +255,7 @@ DECLARE_EVENT_CLASS(tipc_link_class,
TP_fast_assign(
__assign_str(header, header);
- tipc_link_name_ext(l, __entry->name);
+ memcpy(__entry->name, tipc_link_name(l), TIPC_MAX_LINK_NAME);
tipc_link_dump(l, dqueues, __get_str(buf));
),
@@ -295,7 +295,7 @@ DECLARE_EVENT_CLASS(tipc_link_transmq_class,
),
TP_fast_assign(
- tipc_link_name_ext(r, __entry->name);
+ memcpy(__entry->name, tipc_link_name(r), TIPC_MAX_LINK_NAME);
__entry->from = f;
__entry->to = t;
__entry->len = skb_queue_len(tq);