diff options
| author | Or Gerlitz <ogerlitz@mellanox.com> | 2014-10-22 14:55:49 -0700 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2014-11-02 22:04:29 -0800 |
| commit | f57915cfa5b2b14c1cffa2e83c034f55e3f0e70d (patch) | |
| tree | 905bfe537db8e8621c8d5dfcf86f6d36400889ab /lib/cpu_rmap.c | |
| parent | ab477c1ff5e0a744c072404bf7db51bfe1f05b6e (diff) | |
ib_isert: Add max_send_sge=2 minimum for control PDU responses
This patch adds a max_send_sge=2 minimum in isert_conn_setup_qp()
to ensure outgoing control PDU responses with tx_desc->num_sge=2
are able to function correctly.
This addresses a bug with RDMA hardware using dev_attr.max_sge=3,
that in the original code with the ConnectX-2 work-around would
result in isert_conn->max_sge=1 being negotiated.
Originally reported by Chris with ocrdma driver.
Reported-by: Chris Moore <Chris.Moore@emulex.com>
Tested-by: Chris Moore <Chris.Moore@emulex.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Cc: <stable@vger.kernel.org> # 3.10+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'lib/cpu_rmap.c')
0 files changed, 0 insertions, 0 deletions