IB/mlx5: WQE dump jumps over first 16 bytes (1e5887b7) · Commits · 戴 / test

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

drivers/infiniband/hw/mlx5/qp.c

+2 −3

Original line number	Diff line number	Diff line
		@@ -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]),

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