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IB/mlx5: WQE dump jumps over first 16 bytes

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Move index increment after its is used or otherwise it will start the dump
of the WQE from second WQE BB.

Fixes: 34f4c9554d8b ("IB/mlx5: Use fragmented QP's buffer for in-kernel users")
Signed-off-by: Artemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Artemy Kovalyov 2019-03-19 11:24:37 +02:00 committed by Jason Gunthorpe
parent e95e52a178
commit 1e5887b700
1 changed files with 2 additions and 3 deletions
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5
drivers/infiniband/hw/mlx5/qp.c
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@ -4726,16 +4726,15 @@ static void set_linv_wr(struct mlx5_ib_qp *qp, void **seg, int *size,
static void dump_wqe(struct mlx5_ib_qp *qp, u32 idx, int size_16)
{
__be32 *p = NULL;
u32 tidx = idx;
int i, j;
pr_debug("dump WQE index %u:\n", idx);
for (i = 0, j = 0; i < size_16 * 4; i += 4, j += 4) {
if ((i & 0xf) == 0) {
tidx = (tidx + 1) & (qp->sq.wqe_cnt - 1);
p = mlx5_frag_buf_get_wqe(&qp->sq.fbc, tidx);
p = mlx5_frag_buf_get_wqe(&qp->sq.fbc, idx);
pr_debug("WQBB at %p:\n", (void *)p);
j = 0;
idx = (idx + 1) & (qp->sq.wqe_cnt - 1);
}
pr_debug("%08x %08x %08x %08x\n", be32_to_cpu(p[j]),
be32_to_cpu(p[j + 1]), be32_to_cpu(p[j + 2]),