Star64_linux/net/tipc
Jon Maloy 8348500f80 tipc: add option to suppress PUBLISH events for pre-existing publications
Currently, when a user is subscribing for binding table publications,
he will receive a PUBLISH event for all already existing matching items
in the binding table.

However, a group socket making a subscriptions doesn't need this initial
status update from the binding table, because it has already scanned it
during the join operation. Worse, the multiplicatory effect of issuing
mutual events for dozens or hundreds group members within a short time
frame put a heavy load on the topology server, with the end result that
scale out operations on a big group tend to take much longer than needed.

We now add a new filter option, TIPC_SUB_NO_STATUS, for topology server
subscriptions, so that this initial avalanche of events is suppressed.
This change, along with the previous commit, significantly improves the
range and speed of group scale out operations.

We keep the new option internal for the tipc driver, at least for now.

Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-09 12:35:58 -05:00
..
addr.c
addr.h
bcast.c tipc: fall back to smaller MTU if allocation of local send skb fails 2017-12-01 15:21:25 -05:00
bcast.h
bearer.c tipc: error path leak fixes in tipc_enable_bearer() 2017-12-27 10:54:59 -05:00
bearer.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-09-01 17:42:05 -07:00
core.c
core.h net: tipc: remove unused hardirq.h 2018-01-08 20:59:25 -05:00
discover.c net: tipc: Convert timers to use timer_setup() 2017-11-01 12:38:45 +09:00
discover.h
eth_media.c
group.c tipc: add option to suppress PUBLISH events for pre-existing publications 2018-01-09 12:35:58 -05:00
group.h tipc: send out join messages as soon as new member is discovered 2018-01-09 12:35:58 -05:00
ib_media.c
Kconfig
link.c tipc: fall back to smaller MTU if allocation of local send skb fails 2017-12-01 15:21:25 -05:00
link.h
Makefile Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-04 09:26:51 +09:00
monitor.c tipc: fix tipc_mon_delete() oops in tipc_enable_bearer() error path 2017-12-27 10:55:00 -05:00
monitor.h
msg.c tipc: fall back to smaller MTU if allocation of local send skb fails 2017-12-01 15:21:25 -05:00
msg.h tipc: fall back to smaller MTU if allocation of local send skb fails 2017-12-01 15:21:25 -05:00
name_distr.c
name_distr.h
name_table.c tipc: add option to suppress PUBLISH events for pre-existing publications 2018-01-09 12:35:58 -05:00
name_table.h tipc: add option to suppress PUBLISH events for pre-existing publications 2018-01-09 12:35:58 -05:00
net.c
net.h
netlink.c
netlink.h
netlink_compat.c net: tipc: constify genl_ops 2017-08-23 22:31:38 -07:00
node.c tipc: enforce valid ratio between skb truesize and contents 2017-11-16 10:49:00 +09:00
node.h tipc: introduce communication groups 2017-10-13 08:46:00 -07:00
server.c tipc: add option to suppress PUBLISH events for pre-existing publications 2018-01-09 12:35:58 -05:00
server.h tipc: add option to suppress PUBLISH events for pre-existing publications 2018-01-09 12:35:58 -05:00
socket.c tipc: send out join messages as soon as new member is discovered 2018-01-09 12:35:58 -05:00
socket.h
subscr.c tipc: add option to suppress PUBLISH events for pre-existing publications 2018-01-09 12:35:58 -05:00
subscr.h
sysctl.c
udp_media.c tipc: call tipc_rcv() only if bearer is up in tipc_udp_recv() 2017-12-01 15:14:22 -05:00
udp_media.h