Signed-off-by: Honggang Li <honli@xxxxxxxxxx>
---
libibverbs/man/ibv_poll_cq.3 | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/libibverbs/man/ibv_poll_cq.3 b/libibverbs/man/ibv_poll_cq.3
index 957fd151495a..db94436f848b 100644
--- a/libibverbs/man/ibv_poll_cq.3
+++ b/libibverbs/man/ibv_poll_cq.3
@@ -30,7 +30,7 @@ uint64_t wr_id; /* ID of the completed Work Request (WR)
enum ibv_wc_status status; /* Status of the operation */
enum ibv_wc_opcode opcode; /* Operation type specified in the completed WR */
uint32_t vendor_err; /* Vendor error syndrome */
-uint32_t byte_len; /* Number of bytes transferred */
+uint32_t byte_len; /* Number of bytes received */
union {
.in +8
__be32 imm_data; /* Immediate data (in network byte order) */
@@ -78,6 +78,8 @@ found. On failure, a negative value is returned.
.PP
Each polled completion is removed from the CQ and cannot be returned to it.
.PP
+ibv_poll_cq will not update the "byte_len" field when the "opcode" of completed WR is IBV_WC_SEND.
+.PP
The user should consume work completions at a rate that prevents CQ
overrun from occurrence. In case of a CQ overrun, the async event
.B IBV_EVENT_CQ_ERR
--
2.15.0-rc1
