| // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB |
| /* Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. */ |
| |
| #include "en_tc.h" |
| #include "en/tc_ct.h" |
| #include "en/tc/ct_fs.h" |
| |
| #define ct_dbg(fmt, args...)\ |
| netdev_dbg(fs->netdev, "ct_fs_dmfs debug: " fmt "\n", ##args) |
| |
| struct mlx5_ct_fs_dmfs_rule { |
| struct mlx5_ct_fs_rule fs_rule; |
| struct mlx5_flow_handle *rule; |
| struct mlx5_flow_attr *attr; |
| }; |
| |
| static int |
| mlx5_ct_fs_dmfs_init(struct mlx5_ct_fs *fs, struct mlx5_flow_table *ct, |
| struct mlx5_flow_table *ct_nat, struct mlx5_flow_table *post_ct) |
| { |
| return 0; |
| } |
| |
| static void |
| mlx5_ct_fs_dmfs_destroy(struct mlx5_ct_fs *fs) |
| { |
| } |
| |
| static struct mlx5_ct_fs_rule * |
| mlx5_ct_fs_dmfs_ct_rule_add(struct mlx5_ct_fs *fs, struct mlx5_flow_spec *spec, |
| struct mlx5_flow_attr *attr, struct flow_rule *flow_rule) |
| { |
| struct mlx5e_priv *priv = netdev_priv(fs->netdev); |
| struct mlx5_ct_fs_dmfs_rule *dmfs_rule; |
| int err; |
| |
| dmfs_rule = kzalloc(sizeof(*dmfs_rule), GFP_KERNEL); |
| if (!dmfs_rule) |
| return ERR_PTR(-ENOMEM); |
| |
| dmfs_rule->rule = mlx5_tc_rule_insert(priv, spec, attr); |
| if (IS_ERR(dmfs_rule->rule)) { |
| err = PTR_ERR(dmfs_rule->rule); |
| ct_dbg("Failed to add ct entry fs rule"); |
| goto err_insert; |
| } |
| |
| dmfs_rule->attr = attr; |
| |
| return &dmfs_rule->fs_rule; |
| |
| err_insert: |
| kfree(dmfs_rule); |
| return ERR_PTR(err); |
| } |
| |
| static void |
| mlx5_ct_fs_dmfs_ct_rule_del(struct mlx5_ct_fs *fs, struct mlx5_ct_fs_rule *fs_rule) |
| { |
| struct mlx5_ct_fs_dmfs_rule *dmfs_rule = container_of(fs_rule, |
| struct mlx5_ct_fs_dmfs_rule, |
| fs_rule); |
| |
| mlx5_tc_rule_delete(netdev_priv(fs->netdev), dmfs_rule->rule, dmfs_rule->attr); |
| kfree(dmfs_rule); |
| } |
| |
| static struct mlx5_ct_fs_ops dmfs_ops = { |
| .ct_rule_add = mlx5_ct_fs_dmfs_ct_rule_add, |
| .ct_rule_del = mlx5_ct_fs_dmfs_ct_rule_del, |
| |
| .init = mlx5_ct_fs_dmfs_init, |
| .destroy = mlx5_ct_fs_dmfs_destroy, |
| }; |
| |
| struct mlx5_ct_fs_ops *mlx5_ct_fs_dmfs_ops_get(void) |
| { |
| return &dmfs_ops; |
| } |