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linux/net/tipc
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Tung Nguyen 6ef9dcb780 tipc: allow to build NACK message in link timeout function 
Commit 02288248b0 ("tipc: eliminate gap indicator from ACK messages")
eliminated sending of the 'gap' indicator in regular ACK messages and
only allowed to build NACK message with enabled probe/probe_reply.
However, necessary correction for building NACK message was missed
in tipc_link_timeout() function. This leads to significant delay and
link reset (due to retransmission failure) in lossy environment.

This commit fixes it by setting the 'probe' flag to 'true' when
the receive deferred queue is not empty. As a result, NACK message
will be built to send back to another peer.

Fixes: 02288248b0 ("tipc: eliminate gap indicator from ACK messages")
Acked-by: Jon Maloy <jmaloy@redhat.com>
Signed-off-by: Tung Nguyen <tung.q.nguyen@dektech.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-20 20:11:22 -07:00
..
addr.c tipc: initialise addr_trail_end when setting node addresses 2019-08-11 21:40:04 -07:00
addr.h tipc: add 128-bit node identifier 2018-03-23 13:12:18 -04:00
bcast.c tipc: add support for broadcast rcv stats dumping 2020-05-26 15:16:52 -07:00
bcast.h tipc: add support for broadcast rcv stats dumping 2020-05-26 15:16:52 -07:00
bearer.c tipc: fix NULL pointer dereference in tipc_disc_rcv() 2020-06-11 12:48:08 -07:00
bearer.h tipc: introduce variable window congestion control 2019-12-10 17:31:15 -08:00
core.c tipc: fix ordering of tipc module init and exit routine 2019-12-06 12:01:09 -08:00
core.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-16 21:51:42 -08:00
crypto.c Revert "tipc: Fix potential tipc_aead refcnt leak in tipc_crypto_rcv" 2020-06-02 15:13:47 -07:00
crypto.h tipc: introduce TIPC encryption & authentication 2019-11-08 14:01:59 -08:00
diag.c tipc: switch to rhashtable iterator 2018-08-29 18:04:54 -07:00
discover.c tipc: fix use-after-free in tipc_disc_rcv() 2019-12-10 17:45:04 -08:00
discover.h tipc: some cleanups in the file discover.c 2018-03-23 13:12:17 -04:00
eth_media.c tipc: introduce variable window congestion control 2019-12-10 17:31:15 -08:00
group.c tipc: clean up skb list lock handling on send path 2019-08-18 14:01:07 -07:00
group.h tipc: extend sock diag for group communication 2018-06-30 21:05:42 +09:00
ib_media.c tipc: introduce variable window congestion control 2019-12-10 17:31:15 -08:00
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
link.c tipc: allow to build NACK message in link timeout function 2020-07-20 20:11:22 -07:00
link.h tipc: add support for broadcast rcv stats dumping 2020-05-26 15:16:52 -07:00
Makefile tipc: remove meaningless assignment in Makefile 2020-01-08 12:38:54 -08:00
monitor.c tipc: add NULL pointer check to prevent kernel oops 2020-03-15 00:07:00 -07:00
monitor.h tipc: update mon's self addr when node addr generated 2019-11-12 19:45:45 -08:00
msg.c tipc: fix kernel WARNING in tipc_msg_append() 2020-06-11 12:47:23 -07:00
msg.h tipc: add test for Nagle algorithm effectiveness 2020-05-26 15:16:52 -07:00
name_distr.c tipc: improve throughput between nodes in netns 2019-10-29 17:55:38 -07:00
name_distr.h tipc: permit overlapping service ranges in name table 2018-03-31 22:19:52 -04:00
name_table.c tipc: fix name table rbtree issues 2019-12-10 17:45:04 -08:00
name_table.h tipc: support in-order name publication events 2019-11-22 09:29:50 -08:00
net.c tipc: make legacy address flag readable over netlink 2019-12-20 21:18:42 -08:00
net.h tipc: make legacy address flag readable over netlink 2019-12-20 21:18:42 -08:00
netlink_compat.c tipc: eliminate KMSAN: uninit-value in __tipc_nl_compat_dumpit error 2020-01-06 13:24:31 -08:00
netlink.c tipc: add support for broadcast rcv stats dumping 2020-05-26 15:16:52 -07:00
netlink.h net: tipc: allocate attrs locally instead of using genl_family_attrbuf in compat_dumpit() 2019-10-06 15:44:47 +02:00
node.c Revert "tipc: Fix potential tipc_node refcnt leak in tipc_rcv" 2020-06-02 15:13:46 -07:00
node.h tipc: add support for AEAD key setting via netlink 2019-11-08 14:01:59 -08:00
socket.c tipc: fix kernel WARNING in tipc_msg_append() 2020-06-11 12:47:23 -07:00
socket.h tipc: call tsk_set_importance from tipc_topsrv_create_listener 2020-05-28 11:11:46 -07:00
subscr.c tipc: fix unbalanced reference counter 2018-04-12 21:46:10 -04:00
subscr.h tipc: fix failed service subscription deletion 2020-05-13 12:33:19 -07:00
sysctl.c tipc: enable broadcast retrans via unicast 2020-05-26 15:16:52 -07:00
topsrv.c tipc: call tsk_set_importance from tipc_topsrv_create_listener 2020-05-28 11:11:46 -07:00
topsrv.h tipc: rename tipc_server to tipc_topsrv 2018-02-16 15:26:34 -05:00
trace.c tipc: remove unneeded semicolon in trace.c 2019-01-17 22:04:43 -08:00
trace.h tipc: add support for broadcast rcv stats dumping 2020-05-26 15:16:52 -07:00
udp_media.c tipc: block BH before using dst_cache 2020-05-22 15:39:00 -07:00
udp_media.h tipc: implement configuration of UDP media MTU 2018-04-20 11:04:05 -04:00