From: Jianbo Liu jianbol@nvidia.com
[ Upstream commit 618d28a535a0582617465d14e05f3881736a2962 ]
As find_closest_ft_recursive is called to find the closest FT, the first parameter of find_closest_ft can be changed from fs_prio to fs_node. Thus this function is extended to find the closest FT for the nodes of any type, not only prios, but also the sub namespaces.
Signed-off-by: Jianbo Liu jianbol@nvidia.com Signed-off-by: Leon Romanovsky leonro@nvidia.com Link: https://lore.kernel.org/r/d3962c2b443ec8dde7a740dc742a1f052d5e256c.169080394... Signed-off-by: Jakub Kicinski kuba@kernel.org Stable-dep-of: c635ca45a7a2 ("net/mlx5: fs_core: Skip the FTs in the same FS_TYPE_PRIO_CHAINS fs_prio") Signed-off-by: Sasha Levin sashal@kernel.org --- .../net/ethernet/mellanox/mlx5/core/fs_core.c | 29 +++++++++---------- 1 file changed, 14 insertions(+), 15 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index 4bdcceffe9d38..692fe3e5d0763 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -818,18 +818,17 @@ static struct mlx5_flow_table *find_closest_ft_recursive(struct fs_node *root, return ft; }
-/* If reverse is false then return the first flow table in next priority of - * prio in the tree, else return the last flow table in the previous priority - * of prio in the tree. +/* If reverse is false then return the first flow table next to the passed node + * in the tree, else return the last flow table before the node in the tree. */ -static struct mlx5_flow_table *find_closest_ft(struct fs_prio *prio, bool reverse) +static struct mlx5_flow_table *find_closest_ft(struct fs_node *node, bool reverse) { struct mlx5_flow_table *ft = NULL; struct fs_node *curr_node; struct fs_node *parent;
- parent = prio->node.parent; - curr_node = &prio->node; + parent = node->parent; + curr_node = node; while (!ft && parent) { ft = find_closest_ft_recursive(parent, &curr_node->list, reverse); curr_node = parent; @@ -839,15 +838,15 @@ static struct mlx5_flow_table *find_closest_ft(struct fs_prio *prio, bool revers }
/* Assuming all the tree is locked by mutex chain lock */ -static struct mlx5_flow_table *find_next_chained_ft(struct fs_prio *prio) +static struct mlx5_flow_table *find_next_chained_ft(struct fs_node *node) { - return find_closest_ft(prio, false); + return find_closest_ft(node, false); }
/* Assuming all the tree is locked by mutex chain lock */ -static struct mlx5_flow_table *find_prev_chained_ft(struct fs_prio *prio) +static struct mlx5_flow_table *find_prev_chained_ft(struct fs_node *node) { - return find_closest_ft(prio, true); + return find_closest_ft(node, true); }
static struct mlx5_flow_table *find_next_fwd_ft(struct mlx5_flow_table *ft, @@ -859,7 +858,7 @@ static struct mlx5_flow_table *find_next_fwd_ft(struct mlx5_flow_table *ft, next_ns = flow_act->action & MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_NS; fs_get_obj(prio, next_ns ? ft->ns->node.parent : ft->node.parent);
- return find_next_chained_ft(prio); + return find_next_chained_ft(&prio->node); }
static int connect_fts_in_prio(struct mlx5_core_dev *dev, @@ -890,7 +889,7 @@ static int connect_prev_fts(struct mlx5_core_dev *dev, { struct mlx5_flow_table *prev_ft;
- prev_ft = find_prev_chained_ft(prio); + prev_ft = find_prev_chained_ft(&prio->node); if (prev_ft) { struct fs_prio *prev_prio;
@@ -1036,7 +1035,7 @@ static int connect_flow_table(struct mlx5_core_dev *dev, struct mlx5_flow_table if (err) return err;
- next_ft = first_ft ? first_ft : find_next_chained_ft(prio); + next_ft = first_ft ? first_ft : find_next_chained_ft(&prio->node); err = connect_fwd_rules(dev, ft, next_ft); if (err) return err; @@ -1114,7 +1113,7 @@ static struct mlx5_flow_table *__mlx5_create_flow_table(struct mlx5_flow_namespa tree_init_node(&ft->node, del_hw_flow_table, del_sw_flow_table); log_table_sz = ft->max_fte ? ilog2(ft->max_fte) : 0; next_ft = unmanaged ? ft_attr->next_ft : - find_next_chained_ft(fs_prio); + find_next_chained_ft(&fs_prio->node); ft->def_miss_action = ns->def_miss_action; ft->ns = ns; err = root->cmds->create_flow_table(root, ft, log_table_sz, next_ft); @@ -2079,7 +2078,7 @@ static struct mlx5_flow_table *find_next_ft(struct mlx5_flow_table *ft)
if (!list_is_last(&ft->node.list, &prio->node.children)) return list_next_entry(ft, node.list); - return find_next_chained_ft(prio); + return find_next_chained_ft(&prio->node); }
static int update_root_ft_destroy(struct mlx5_flow_table *ft)