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[V1,libibverbs,4/8] Add completion timestamp support for ibv_poll_cq_ex

Message ID 1456306924-31298-5-git-send-email-yishaih@mellanox.com (mailing list archive)
State Superseded
Headers show

Commit Message

Yishai Hadas Feb. 24, 2016, 9:42 a.m. UTC 
From: Matan Barak <matanb@mellanox.com>

Add support for raw completion timestamp through
ibv_poll_cq_ex.

Signed-off-by: Matan Barak <matanb@mellanox.com>
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
---
 include/infiniband/verbs.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
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Patch

diff --git a/include/infiniband/verbs.h b/include/infiniband/verbs.h
index a64e320..232b0df 100644
--- a/include/infiniband/verbs.h
+++ b/include/infiniband/verbs.h
@@ -401,6 +401,7 @@  enum ibv_wc_flags_ex {
 	IBV_WC_EX_WITH_SLID		= 1 << 9,
 	IBV_WC_EX_WITH_SL		= 1 << 10,
 	IBV_WC_EX_WITH_DLID_PATH_BITS	= 1 << 11,
+	IBV_WC_EX_WITH_COMPLETION_TIMESTAMP = 1 << 12,
 };
 
 enum {
@@ -417,6 +418,10 @@  enum {
 /* fields order in wc_ex
  * Note: To guarantee compatibility a new field will be added after fields
  * of the same size.
+ *	// Raw timestamp of completion. A raw timestamp is implementation
+ *	// defined and can not be relied upon to have any ordering value
+ *	// between more than one HCA or driver.
+ *	uint64_t		completion_timestamp;
  *	uint32_t		byte_len,
  *	uint32_t		imm_data;
  *	uint32_t		qp_num;
@@ -428,7 +433,7 @@  enum {
  */
 
 enum {
-	IBV_WC_EX_WITH_64BIT_FIELDS = 0
+	IBV_WC_EX_WITH_64BIT_FIELDS = IBV_WC_EX_WITH_COMPLETION_TIMESTAMP
 };
 
 enum {