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authorBart Van Assche <bart.vanassche@gmail.com>2009-12-09 14:20:04 -0800
committerRoland Dreier <rolandd@cisco.com>2009-12-09 14:20:04 -0800
commit55464d461bdcffc4422aebfb750eacf99e3c0f27 (patch)
treeeeaff5884b9d91fec8eb6f3f24c895097ea3ff4b /include/rdma
parent91d3f9bacdb4950d2f79fe2ba296aa249f60d06c (diff)
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IB: Clarify the documentation of ib_post_send()
Clarify the behavior of ib_post_send() when a list of work requests is passed in and an immediate error is returned. Signed-off-by: Bart Van Assche <bart.vanassche@gmail.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'include/rdma')
-rw-r--r--include/rdma/ib_verbs.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index c179318edd9..09509edb1c5 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1425,6 +1425,11 @@ int ib_destroy_qp(struct ib_qp *qp);
* @send_wr: A list of work requests to post on the send queue.
* @bad_send_wr: On an immediate failure, this parameter will reference
* the work request that failed to be posted on the QP.
+ *
+ * While IBA Vol. 1 section 11.4.1.1 specifies that if an immediate
+ * error is returned, the QP state shall not be affected,
+ * ib_post_send() will return an immediate error after queueing any
+ * earlier work requests in the list.
*/
static inline int ib_post_send(struct ib_qp *qp,
struct ib_send_wr *send_wr,