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33023fb85a
linux/net/rds
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Steve Wise 33023fb85a IB/core: add max_send_sge and max_recv_sge attributes 
This patch replaces the ib_device_attr.max_sge with max_send_sge and
max_recv_sge. It allows ulps to take advantage of devices that have very
different send and recv sge depths.  For example cxgb4 has a max_recv_sge
of 4, yet a max_send_sge of 16.  Splitting out these attributes allows
much more efficient use of the SQ for cxgb4 with ulps that use the RDMA_RW
API. Consider a large RDMA WRITE that has 16 scattergather entries.
With max_sge of 4, the ulp would send 4 WRITE WRs, but with max_sge of
16, it can be done with 1 WRITE WR.

Acked-by: Sagi Grimberg <sagi@grimberg.me>
Acked-by: Christoph Hellwig <hch@lst.de>
Acked-by: Selvin Xavier <selvin.xavier@broadcom.com>
Acked-by: Shiraz Saleem <shiraz.saleem@intel.com>
Acked-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-06-18 13:17:28 -06:00
..
af_rds.c rds: use list structure to track information for zerocopy completion notification 2018-03-07 18:05:57 -05:00
bind.c rds; Reset rs->rs_bound_addr in rds_add_bound() failure path 2017-12-27 13:37:27 -05:00
cong.c rds: tcp: use rds_destroy_pending() to synchronize netns/module teardown and rds connection/workq management 2018-02-08 15:23:52 -05:00
connection.c net: rds: drop VLA in rds_walk_conn_path_info() 2018-03-12 15:07:00 -04:00
ib_cm.c treewide: Use array_size() in vzalloc_node() 2018-06-12 16:19:22 -07:00
ib_fmr.c net/rds/ib_fmr.c: use kmalloc_array_node() 2017-11-15 18:21:02 -08:00
ib_frmr.c RDS: IB: split the mr registration and invalidation path 2017-01-02 14:02:47 -08:00
ib_mr.h rds: ib: add the static type to the function 2017-03-13 23:20:05 -07:00
ib_rdma.c RDS: IB: Initialize max_items based on underlying device attributes 2017-10-05 21:16:33 -07:00
ib_recv.c rds: ib: Fix NULL pointer dereference in debug code 2017-11-10 14:54:47 +09:00
ib_ring.c
ib_send.c rds: Fix inaccurate accounting of unsignaled wrs 2017-10-26 17:35:57 +09:00
ib_stats.c RDS: IB: add few useful cache stasts 2017-01-02 14:02:51 -08:00
ib_sysctl.c net: Convert uses of typedef ctl_table to struct ctl_table 2013-06-13 02:36:09 -07:00
ib.c IB/core: add max_send_sge and max_recv_sge attributes 2018-06-18 13:17:28 -06:00
ib.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-04 09:26:51 +09:00
info.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
info.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig IB: Revert "remove redundant INFINIBAND kconfig dependencies" 2018-05-28 10:40:16 -06:00
loop.c rds: avoid unenecessary cong_update in loop transport 2018-06-14 19:01:49 -07:00
loop.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +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
message.c rds: remove redundant variable 'sg_off' 2018-03-12 11:12:38 -04:00
page.c rds: remove dead code 2016-12-26 21:35:39 -05:00
rdma_transport.c RDS: RDMA: start rdma listening after init 2017-01-02 14:02:45 -08:00
rdma_transport.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rdma.c RDS: null pointer dereference in rds_atomic_free_op 2018-01-04 14:19:26 -05:00
rds_single_path.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rds.h rds: avoid unenecessary cong_update in loop transport 2018-06-14 19:01:49 -07:00
recv.c rds: avoid unenecessary cong_update in loop transport 2018-06-14 19:01:49 -07:00
send.c rds: MP-RDS may use an invalid c_path 2018-04-11 10:24:01 -04:00
stats.c net/rds: zero last byte for strncpy 2013-03-08 00:35:44 -05:00
sysctl.c net: rds: fix coding style issues 2016-06-18 21:34:09 -07:00
tcp_connect.c rds: tcp: use rds_destroy_pending() to synchronize netns/module teardown and rds connection/workq management 2018-02-08 15:23:52 -05:00
tcp_listen.c rds: Incorrect reference counting in TCP socket creation 2018-03-02 09:40:27 -05:00
tcp_recv.c rds: tcp: use rds_destroy_pending() to synchronize netns/module teardown and rds connection/workq management 2018-02-08 15:23:52 -05:00
tcp_send.c rds: tcp: use rds_destroy_pending() to synchronize netns/module teardown and rds connection/workq management 2018-02-08 15:23:52 -05:00
tcp_stats.c
tcp.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
tcp.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-01-23 13:51:56 -05:00
threads.c rds: tcp: use rds_destroy_pending() to synchronize netns/module teardown and rds connection/workq management 2018-02-08 15:23:52 -05:00
transport.c rds: remove unnecessary returned value check 2017-03-03 09:51:22 -08:00