linux/net/rxrpc
David Howells 7150ceaacb rxrpc: Fix life check
The life-checking function, which is used by kAFS to make sure that a call
is still live in the event of a pending signal, only samples the received
packet serial number counter; it doesn't actually provoke a change in the
counter, rather relying on the server to happen to give us a packet in the
time window.

Fix this by adding a function to force a ping to be transmitted.

kAFS then keeps track of whether there's been a stall, and if so, uses the
new function to ping the server, resetting the timeout to allow the reply
to come back.

If there's a stall, a ping and the call is *still* stalled in the same
place after another period, then the call will be aborted.

Fixes: bc5e3a546d ("rxrpc: Use MSG_WAITALL to tell sendmsg() to temporarily ignore signals")
Fixes: f4d15fb6f9 ("rxrpc: Provide functions for allowing cleaner handling of signals")
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-15 11:35:40 -08:00
..
Kconfig rxrpc: Add config to inject packet loss 2016-09-17 11:24:04 +01:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
af_rxrpc.c rxrpc: Fix life check 2018-11-15 11:35:40 -08:00
ar-internal.h rxrpc: Fix lockup due to no error backoff after ack transmit error 2018-11-02 23:59:26 -07:00
call_accept.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-10-19 11:03:06 -07:00
call_event.c rxrpc: Fix lockup due to no error backoff after ack transmit error 2018-11-02 23:59:26 -07:00
call_object.c rxrpc: Fix the packet reception routine 2018-10-08 22:42:04 +01:00
conn_client.c rxrpc: Fix some missed refs to init_net 2018-10-05 14:21:59 +01:00
conn_event.c rxrpc: Fix connection-level abort handling 2018-10-08 22:42:04 +01:00
conn_object.c rxrpc: Drop the local endpoint arg from rxrpc_extract_addr_from_skb() 2018-10-04 09:32:28 +01:00
conn_service.c rxrpc: Fix apparent leak of rxrpc_local objects 2018-03-30 21:05:33 +01:00
input.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-10-12 21:38:46 -07:00
insecure.c rxrpc: Trace protocol errors in received packets 2017-04-06 11:09:39 +01:00
key.c rxrpc: Use correct timestamp from Kerberos 5 ticket 2017-08-29 10:55:06 +01:00
local_event.c rxrpc: Drop the local endpoint arg from rxrpc_extract_addr_from_skb() 2018-10-04 09:32:28 +01:00
local_object.c rxrpc: Fix incorrect conditional on IPV6 2018-10-15 22:19:46 -07:00
misc.c rxrpc: Fix call timeouts 2017-11-24 10:18:41 +00:00
net_ns.c rxrpc: Add /proc/net/rxrpc/peers to display peer list 2018-10-15 22:52:58 -07:00
output.c rxrpc: Fix lockup due to no error backoff after ack transmit error 2018-11-02 23:59:26 -07:00
peer_event.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-10-19 11:03:06 -07:00
peer_object.c rxrpc: Fix the packet reception routine 2018-10-08 22:42:04 +01:00
proc.c rxrpc: Add /proc/net/rxrpc/peers to display peer list 2018-10-15 22:52:58 -07:00
protocol.h rxrpc: Improve up-front incoming packet checking 2018-09-28 10:32:31 +01:00
recvmsg.c rxrpc: Allow the reply time to be obtained on a client call 2018-10-04 09:42:29 +01:00
rxkad.c rxrpc: Remove VLA usage of skcipher 2018-09-28 12:46:07 +08:00
security.c rxrpc: remove unused static variables 2018-03-30 21:04:44 +01:00
sendmsg.c rxrpc: Fix missing start of call timeout 2018-05-10 23:26:00 +01:00
skbuff.c rxrpc: Use rxrpc_free_skb() rather than rxrpc_lose_skb() 2018-10-04 09:32:27 +01:00
sysctl.c rxrpc: remove redundant static int 'zero' 2018-08-11 11:25:18 -07:00
utils.c rxrpc: Drop the local endpoint arg from rxrpc_extract_addr_from_skb() 2018-10-04 09:32:28 +01:00