[PATCH 5.4 049/155] net/mlx5: DR, Fix postsend actions write length

Greg Kroah-Hartman
2020-03-31T09:13:19Z

From: Hamdan Igbaria <hamdani@mellanox.com>

[ Upstream commit 692b0399a22530b2de8490bea75a7d20d59391d0 ]

Fix the send info write length to be (actions x action) size in bytes.

Fixes: 297cccebdc5a ("net/mlx5: DR, Expose an internal API to issue RDMA operations")
Signed-off-by: Hamdan Igbaria <hamdani@mellanox.com>
Reviewed-by: Alex Vesker <valex@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c | 1 -
drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c | 3 ++-
2 files changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c
@@ -930,7 +930,6 @@ static int dr_actions_l2_rewrite(struct

action->rewrite.data = (void *)ops;
action->rewrite.num_of_actions = i;
- action->rewrite.chunk->byte_size = i * sizeof(*ops);

ret = mlx5dr_send_postsend_action(dmn, action);
if (ret) {
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c
@@ -558,7 +558,8 @@ int mlx5dr_send_postsend_action(struct m
int ret;

send_info.write.addr = (uintptr_t)action->rewrite.data;
- send_info.write.length = action->rewrite.chunk->byte_size;
+ send_info.write.length = action->rewrite.num_of_actions *
+ DR_MODIFY_ACTION_SIZE;
send_info.write.lkey = 0;
send_info.remote_addr = action->rewrite.chunk->mr_addr;
send_info.rkey = action->rewrite.chunk->rkey;