Dseg pointer is not initialised when the first segment is inlined
causing a segmentation fault in such situation.
Fixes: 2a66cf378954 ("net/mlx5: support inline send")
CC: sta...@dpdk.org
Signed-off-by: Shahaf Shuler <shah...@mellanox.com>
---
drivers/net/mlx5/mlx5_rxtx.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c
index 97810e8..d6688c6 100644
--- a/drivers/net/mlx5/mlx5_rxtx.c
+++ b/drivers/net/mlx5/mlx5_rxtx.c
@@ -483,7 +483,7 @@
assert(addr <= addr_end);
}
/*
- * 2 DWORDs consumed by the WQE header + 1 DSEG +
+ * 2 DWORDs consumed by the WQE header + ETH segment +
* the size of the inline part of the packet.
*/
ds = 2 + MLX5_WQE_DS(pkt_inline_sz - 2);
@@ -498,6 +498,10 @@
} else if (!segs_n) {
goto next_pkt;
} else {
+ /* dseg will be advance as part of next_seg*/
+ dseg = (volatile rte_v128u32_t *)
+ ((uintptr_t)wqe +
+ ((ds - 1) * MLX5_WQE_DWORD_SIZE));
goto next_seg;
}
} else {
--
1.8.3.1
