linux-next: manual merge of the rdma tree with the net-next tree

From: Stephen Rothwell
Date: Tue Mar 15 2016 - 20:58:32 EST


Hi all,

Today's linux-next merge of the rdma tree got a conflict in:

drivers/net/ethernet/mellanox/mlx5/core/fs_core.c

between commit:

60ab4584f5bf ("net/mlx5_core: Set flow steering dest only for forward rules")

from the net-next tree and commit:

b3638e1a7664 ("net/mlx5_core: Introduce forward to next priority action")

from the rdma tree.

I fixed it up (see below) and can carry the fix as necessary (no action
is required).

--
Cheers,
Stephen Rothwell

diff --cc drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index e848d708d2b7,bf3446794bd5..000000000000
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@@ -73,10 -73,13 +73,13 @@@
#define BY_PASS_MIN_LEVEL (KENREL_MIN_LEVEL + MLX5_BY_PASS_NUM_PRIOS +\
LEFTOVERS_MAX_FT)

-#define KERNEL_MAX_FT 2
-#define KERNEL_NUM_PRIOS 1
+#define KERNEL_MAX_FT 3
+#define KERNEL_NUM_PRIOS 2
#define KENREL_MIN_LEVEL 2

+ #define ANCHOR_MAX_FT 1
+ #define ANCHOR_NUM_PRIOS 1
+ #define ANCHOR_MIN_LEVEL (BY_PASS_MIN_LEVEL + 1)
struct node_caps {
size_t arr_sz;
long *caps;
@@@ -360,8 -367,13 +367,13 @@@ static void del_rule(struct fs_node *no
memcpy(match_value, fte->val, sizeof(fte->val));
fs_get_obj(ft, fg->node.parent);
list_del(&rule->node.list);
+ if (rule->sw_action == MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO) {
+ mutex_lock(&rule->dest_attr.ft->lock);
+ list_del(&rule->next_ft);
+ mutex_unlock(&rule->dest_attr.ft->lock);
+ }
- fte->dests_size--;
- if (fte->dests_size) {
+ if ((fte->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) &&
+ --fte->dests_size) {
err = mlx5_cmd_update_fte(dev, ft,
fg->id, fte);
if (err)
@@@ -762,9 -835,9 +835,10 @@@ static struct mlx5_flow_rule *alloc_rul
if (!rule)
return NULL;

+ INIT_LIST_HEAD(&rule->next_ft);
rule->node.type = FS_TYPE_FLOW_DEST;
- memcpy(&rule->dest_attr, dest, sizeof(*dest));
+ if (dest)
+ memcpy(&rule->dest_attr, dest, sizeof(*dest));

return rule;
}
@@@ -783,12 -856,16 +857,17 @@@ static struct mlx5_flow_rule *add_rule_
return ERR_PTR(-ENOMEM);

fs_get_obj(ft, fg->node.parent);
- /* Add dest to dests list- added as first element after the head */
+ /* Add dest to dests list- we need flow tables to be in the
+ * end of the list for forward to next prio rules.
+ */
tree_init_node(&rule->node, 1, del_rule);
- list_add_tail(&rule->node.list, &fte->node.children);
+ if (dest && dest->type != MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE)
+ list_add(&rule->node.list, &fte->node.children);
+ else
+ list_add_tail(&rule->node.list, &fte->node.children);
- fte->dests_size++;
- if (fte->dests_size == 1)
+ if (dest)
+ fte->dests_size++;
+ if (fte->dests_size == 1 || !dest)
err = mlx5_cmd_create_fte(get_dev(&ft->node),
ft, fg->id, fte);
else