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authorMaor Gottlieb <maorg@mellanox.com>2020-05-04 08:30:09 +0300
committerLeon Romanovsky <leonro@mellanox.com>2020-05-13 18:56:18 +0300
commit14c129e30152f7d74c8b25ec06ae742f4291e166 (patch)
tree7207b5a934b381374700fdf9aa8ba0b42a278f54 /drivers/infiniband
parentb6ca09cb156d349e6fdde8a8466ec15b902d1419 (diff)
downloadlinux-14c129e30152f7d74c8b25ec06ae742f4291e166.tar.xz
{IB/net}/mlx5: Simplify don't trap code
The fs_core already supports creation of rules with multiple actions/destinations. Refactor fs_core to handle the case when don't trap rule is created with destination. Adapt the calling code in the driver. Signed-off-by: Maor Gottlieb <maorg@mellanox.com> Reviewed-by: Mark Zhang <markz@mellanox.com> Reviewed-by: Mark Bloch <markb@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/mlx5/main.c47
1 files changed, 10 insertions, 37 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 65e0e24d463b..566b42f3fb18 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -3698,12 +3698,13 @@ static struct mlx5_ib_flow_handler *_create_flow_rule(struct mlx5_ib_dev *dev,
if (!dest_num)
rule_dst = NULL;
} else {
+ if (flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP)
+ flow_act.action |=
+ MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO;
if (is_egress)
flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_ALLOW;
- else
- flow_act.action |=
- dest_num ? MLX5_FLOW_CONTEXT_ACTION_FWD_DEST :
- MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO;
+ else if (dest_num)
+ flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
}
if ((spec->flow_context.flags & FLOW_CONTEXT_HAS_TAG) &&
@@ -3747,30 +3748,6 @@ static struct mlx5_ib_flow_handler *create_flow_rule(struct mlx5_ib_dev *dev,
return _create_flow_rule(dev, ft_prio, flow_attr, dst, 0, NULL);
}
-static struct mlx5_ib_flow_handler *create_dont_trap_rule(struct mlx5_ib_dev *dev,
- struct mlx5_ib_flow_prio *ft_prio,
- struct ib_flow_attr *flow_attr,
- struct mlx5_flow_destination *dst)
-{
- struct mlx5_ib_flow_handler *handler_dst = NULL;
- struct mlx5_ib_flow_handler *handler = NULL;
-
- handler = create_flow_rule(dev, ft_prio, flow_attr, NULL);
- if (!IS_ERR(handler)) {
- handler_dst = create_flow_rule(dev, ft_prio,
- flow_attr, dst);
- if (IS_ERR(handler_dst)) {
- mlx5_del_flow_rules(handler->rule);
- ft_prio->refcount--;
- kfree(handler);
- handler = handler_dst;
- } else {
- list_add(&handler_dst->list, &handler->list);
- }
- }
-
- return handler;
-}
enum {
LEFTOVERS_MC,
LEFTOVERS_UC,
@@ -3974,15 +3951,11 @@ static struct ib_flow *mlx5_ib_create_flow(struct ib_qp *qp,
}
if (flow_attr->type == IB_FLOW_ATTR_NORMAL) {
- if (flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP) {
- handler = create_dont_trap_rule(dev, ft_prio,
- flow_attr, dst);
- } else {
- underlay_qpn = (mqp->flags & MLX5_IB_QP_UNDERLAY) ?
- mqp->underlay_qpn : 0;
- handler = _create_flow_rule(dev, ft_prio, flow_attr,
- dst, underlay_qpn, ucmd);
- }
+ underlay_qpn = (mqp->flags & IB_QP_CREATE_SOURCE_QPN) ?
+ mqp->underlay_qpn :
+ 0;
+ handler = _create_flow_rule(dev, ft_prio, flow_attr, dst,
+ underlay_qpn, ucmd);
} else if (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT ||
flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT) {
handler = create_leftovers_rule(dev, ft_prio, flow_attr,