linux/net/rxrpc
David Howells c038a58ccf rxrpc: Allow failed client calls to be retried
Allow a client call that failed on network error to be retried, provided
that the Tx queue still holds DATA packet 1.  This allows an operation to
be submitted to another server or another address for the same server
without having to repackage and re-encrypt the data so far processed.

Two new functions are provided:

 (1) rxrpc_kernel_check_call() - This is used to find out the completion
     state of a call to guess whether it can be retried and whether it
     should be retried.

 (2) rxrpc_kernel_retry_call() - Disconnect the call from its current
     connection, reset the state and submit it as a new client call to a
     new address.  The new address need not match the previous address.

A call may be retried even if all the data hasn't been loaded into it yet;
a partially constructed will be retained at the same point it was at when
an error condition was detected.  msg_data_left() can be used to find out
how much data was packaged before the error occurred.

Signed-off-by: David Howells <dhowells@redhat.com>
2017-08-29 10:55:20 +01:00
..
af_rxrpc.c rxrpc: Allow failed client calls to be retried 2017-08-29 10:55:20 +01:00
ar-internal.h rxrpc: Allow failed client calls to be retried 2017-08-29 10:55:20 +01:00
call_accept.c rxrpc: Fix IPv6 support 2017-08-29 10:55:20 +01:00
call_event.c rxrpc: Use negative error codes in rxrpc_call struct 2017-04-06 10:11:56 +01:00
call_object.c rxrpc: Allow failed client calls to be retried 2017-08-29 10:55:20 +01:00
conn_client.c rxrpc: Allow failed client calls to be retried 2017-08-29 10:55:20 +01:00
conn_event.c rxrpc: Separate the connection's protocol service ID from the lookup ID 2017-06-05 14:30:49 +01:00
conn_object.c rxrpc: Fix IPv6 support 2017-08-29 10:55:20 +01:00
conn_service.c rxrpc: Implement service upgrade 2017-06-05 14:30:49 +01:00
input.c rxrpc: Add service upgrade support for client connections 2017-06-05 14:30:49 +01:00
insecure.c rxrpc: Trace protocol errors in received packets 2017-04-06 11:09:39 +01:00
Kconfig rxrpc: Add config to inject packet loss 2016-09-17 11:24:04 +01:00
key.c rxrpc: Use correct timestamp from Kerberos 5 ticket 2017-08-29 10:55:06 +01:00
local_event.c rxrpc: Fix IPv6 support 2017-08-29 10:55:20 +01:00
local_object.c rxrpc: Permit multiple service binding 2017-06-05 14:30:49 +01:00
Makefile rxrpc: Support network namespacing 2017-05-25 13:15:11 -04:00
misc.c rxrpc: Fix handling of enums-to-string translation in tracing 2017-01-05 10:38:33 +00:00
net_ns.c rxrpc: remove redundant proc_remove call 2017-06-04 19:59:11 -04:00
output.c rxrpc: Fix IPv6 support 2017-08-29 10:55:20 +01:00
peer_event.c rxrpc: Fix IPv6 support 2017-08-29 10:55:20 +01:00
peer_object.c rxrpc: Cache the congestion window setting 2017-06-14 15:42:45 -04:00
proc.c rxrpc: Separate the connection's protocol service ID from the lookup ID 2017-06-05 14:30:49 +01:00
protocol.h rxrpc: Move the packet.h include file into net/rxrpc/ 2017-07-21 11:00:20 +01:00
recvmsg.c rxrpc: Separate the connection's protocol service ID from the lookup ID 2017-06-05 14:30:49 +01:00
rxkad.c rxrpc: Fix IPv6 support 2017-08-29 10:55:20 +01:00
security.c rxrpc: Permit multiple service binding 2017-06-05 14:30:49 +01:00
sendmsg.c rxrpc: Allow failed client calls to be retried 2017-08-29 10:55:20 +01:00
skbuff.c net: convert sk_buff.users from atomic_t to refcount_t 2017-07-01 07:39:07 -07:00
sysctl.c rxrpc: Keep the call timeouts as ktimes rather than jiffies 2016-09-30 14:40:11 +01:00
utils.c rxrpc: Fix IPv6 support 2017-08-29 10:55:20 +01:00