freebsd-nq/contrib/ofed/libmlx4/fixes/post_rcv_end_of_sg.patch
2011-03-21 09:58:24 +00:00

30 lines
969 B
Diff

As in libmthca, need to initialize SRQ WQE scatter entries to the
invalid lkey at work queue creation time.
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Index: libmlx4/src/srq.c
===================================================================
--- libmlx4.orig/src/srq.c 2009-12-09 15:08:52.000000000 +0200
+++ libmlx4/src/srq.c 2009-12-09 18:44:32.000000000 +0200
@@ -128,6 +128,7 @@ int mlx4_alloc_srq_buf(struct ibv_pd *pd
struct mlx4_srq *srq)
{
struct mlx4_wqe_srq_next_seg *next;
+ struct mlx4_wqe_data_seg *scatter;
int size;
int buf_size;
int i;
@@ -160,6 +161,11 @@ int mlx4_alloc_srq_buf(struct ibv_pd *pd
for (i = 0; i < srq->max; ++i) {
next = get_wqe(srq, i);
next->next_wqe_index = htons((i + 1) & (srq->max - 1));
+
+ for (scatter = (void *) (next + 1);
+ (void *) scatter < (void *) next + (1 << srq->wqe_shift);
+ ++scatter)
+ scatter->lkey = htonl(MLX4_INVALID_LKEY);
}
srq->head = 0;