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ib_srpt: Change default behavior from using SRQ to not using SRQ

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Although the non-SRQ mode needs more resources that mode has the
advantage that the end-to-end flow control mechanism is used.

From the IB spec:

C9-150.2.1: For QPs that are not associated with an SRQ, each HCA
receive queue shall generate end-to-end flow control credits. If
a QP is associated with an SRQ, the HCA receive queue shall not
generate end-to-end flow control credits.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6329 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2015-06-16 18:57:16 +00:00
parent 807c4eacf0
commit 020ec68ddc
1 changed files with 2 additions and 2 deletions
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4
srpt/src/ib_srpt.c
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@@ -130,9 +130,9 @@ MODULE_PARM_DESC(srp_max_rsp_size,
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31) \
|| defined(RHEL_MAJOR) && RHEL_MAJOR -0 <= 5
static int use_srq = true;
static int use_srq;
#else
static bool use_srq = true;
static bool use_srq;
#endif
module_param(use_srq, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(use_srq,