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| author | Bart Van Assche <bart.vanassche@gmail.com> | 2009-12-10 01:20:04 +0300 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2009-12-10 01:20:04 +0300 |
| commit | 55464d461bdcffc4422aebfb750eacf99e3c0f27 (patch) | |
| tree | eeaff5884b9d91fec8eb6f3f24c895097ea3ff4b /include | |
| parent | 91d3f9bacdb4950d2f79fe2ba296aa249f60d06c (diff) | |
| download | linux-55464d461bdcffc4422aebfb750eacf99e3c0f27.tar.xz | |
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')
| -rw-r--r-- | include/rdma/ib_verbs.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index c179318edd92..09509edb1c5f 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, |