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335b48d980
linux/net/rds
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Sowmini Varadhan 335b48d980 RDS: TCP: Add/use rds_tcp_reset_callbacks to reset tcp socket safely 
When rds_tcp_accept_one() has to replace the existing tcp socket
with a newer tcp socket (duelling-syn resolution), it must lock_sock()
to suppress the rds_tcp_data_recv() path while callbacks are being
changed.  Also, existing RDS datagram reassembly state must be reset,
so that the next datagram on the new socket  does not have corrupted
state. Similarly when resetting the newly accepted socket, appropriate
locks and synchronization is needed.

This commit ensures correct synchronization by invoking
kernel_sock_shutdown to reset a newly accepted sock, and by taking
appropriate lock_sock()s (for old and new sockets) when resetting
existing callbacks.

Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-07 15:10:15 -07:00
..
af_rds.c RDS: Add support for SO_TIMESTAMP for incoming messages 2016-03-02 14:13:17 -05:00
bind.c RDS: convert bind hash table to re-sizable hashtable 2015-11-02 15:36:23 -05:00
cong.c RDS: Fix the atomicity for congestion map update 2016-04-16 19:01:05 -04:00
connection.c RDS: fix race condition when sending a message on unbound socket 2015-11-24 17:20:09 -05:00
ib_cm.c RDS: fix endianness for dp_ack_seq 2016-04-16 19:01:05 -04:00
ib_fmr.c RDS: IB: move FMR code to its own file 2016-03-02 14:13:18 -05:00
ib_frmr.c IB/core: Add passing an offset into the SG to ib_map_mr_sg 2016-05-13 13:37:11 -04:00
ib_mr.h RDS: IB: Support Fastreg MR (FRMR) memory registration mode 2016-03-02 14:13:19 -05:00
ib_rdma.c RDS: IB: Support Fastreg MR (FRMR) memory registration mode 2016-03-02 14:13:19 -05:00
ib_recv.c RDS: fix congestion map corruption for PAGE_SIZE > 4k 2016-04-07 16:58:28 -04:00
ib_ring.c
ib_send.c RDS: IB: Remove the RDS_IB_SEND_OP dependency 2016-03-02 14:13:17 -05:00
ib_stats.c RDS: IB: add mr reused stats 2016-03-02 14:13:19 -05:00
ib_sysctl.c net: Convert uses of typedef ctl_table to struct ctl_table 2013-06-13 02:36:09 -07:00
ib.c RDS: IB: add Fastreg MR (FRMR) detection support 2016-03-02 14:13:19 -05:00
ib.h RDS: IB: Support Fastreg MR (FRMR) memory registration mode 2016-03-02 14:13:19 -05:00
info.c rds: fix an integer overflow test in rds_info_getsockopt() 2015-08-03 15:20:16 -07:00
info.h
Kconfig RDS: Drop stale iWARP RDMA transport 2016-03-02 14:13:17 -05:00
loop.c RDS: use gfp flags from caller in conn_alloc() 2012-03-22 19:29:58 -04:00
loop.h
Makefile RDS: IB: Support Fastreg MR (FRMR) memory registration mode 2016-03-02 14:13:19 -05:00
message.c rds: Make rds_message_copy_from_user() return 0 on success. 2015-02-07 22:41:56 -08:00
page.c RDS: memory allocated must be align to 8 2016-04-07 16:58:27 -04:00
rdma_transport.c RDS: IB: handle the RDMA CM time wait event 2016-03-02 14:13:19 -05:00
rdma_transport.h RDS: Drop stale iWARP RDMA transport 2016-03-02 14:13:17 -05:00
rdma.c RDS: Fix rds MR reference count in rds_rdma_unuse() 2015-08-25 16:28:10 -07:00
rds.h RDS: Add support for SO_TIMESTAMP for incoming messages 2016-03-02 14:13:17 -05:00
recv.c rds: fix an infoleak in rds_inc_info_copy 2016-06-02 21:32:37 -07:00
send.c RDS: fix race condition when sending a message on unbound socket 2015-11-24 17:20:09 -05:00
stats.c net/rds: zero last byte for strncpy 2013-03-08 00:35:44 -05:00
sysctl.c net: rds: use correct size for max unacked packets and bytes 2015-02-04 16:07:27 -08:00
tcp_connect.c rds: tcp: block BH in TCP callbacks 2016-05-19 11:36:49 -07:00
tcp_listen.c RDS: TCP: Add/use rds_tcp_reset_callbacks to reset tcp socket safely 2016-06-07 15:10:15 -07:00
tcp_recv.c rds: tcp: block BH in TCP callbacks 2016-05-19 11:36:49 -07:00
tcp_send.c rds: tcp: block BH in TCP callbacks 2016-05-19 11:36:49 -07:00
tcp_stats.c net: rds: fix const array syntax 2011-07-01 16:16:19 -07:00
tcp.c RDS: TCP: Add/use rds_tcp_reset_callbacks to reset tcp socket safely 2016-06-07 15:10:15 -07:00
tcp.h RDS: TCP: Add/use rds_tcp_reset_callbacks to reset tcp socket safely 2016-06-07 15:10:15 -07:00
threads.c RDS: use rds_send_xmit() state instead of RDS_LL_SEND_FULL 2015-10-05 11:19:01 -07:00
transport.c RDS-TCP: Make RDS-TCP work correctly when it is set up in a netns other than init_net 2015-08-07 11:29:57 -07:00