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l2tp: report rx cookie discards in netlink get

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When an L2TPv3 session receives a data frame with an incorrect cookie
l2tp_core logs a warning message and bumps a stats counter to reflect
the fact that the packet has been dropped.

However, the stats counter in question is missing from the l2tp_netlink
get message for tunnel and session instances.

Include the statistic in the netlink get response.

Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tom Parkin
2020-09-29 13:35:41 +01:00
committed by David S. Miller
parent 2bd056f550
commit 3f47cb4c1c
2 changed files with 7 additions and 0 deletions
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include/uapi/linux/l2tp.h
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@@ -144,6 +144,7 @@ enum {
L2TP_ATTR_RX_OOS_PACKETS, /* u64 */
L2TP_ATTR_RX_ERRORS, /* u64 */
L2TP_ATTR_STATS_PAD,
L2TP_ATTR_RX_COOKIE_DISCARDS, /* u64 */
__L2TP_ATTR_STATS_MAX,
};