diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/prestera/prestera_acl.h')
-rw-r--r-- | drivers/net/ethernet/marvell/prestera/prestera_acl.h | 215 |
1 files changed, 131 insertions, 84 deletions
diff --git a/drivers/net/ethernet/marvell/prestera/prestera_acl.h b/drivers/net/ethernet/marvell/prestera/prestera_acl.h index 39b7869be659..40f6c1d961fa 100644 --- a/drivers/net/ethernet/marvell/prestera/prestera_acl.h +++ b/drivers/net/ethernet/marvell/prestera/prestera_acl.h @@ -1,114 +1,130 @@ /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ -/* Copyright (c) 2020 Marvell International Ltd. All rights reserved. */ +/* Copyright (c) 2020-2021 Marvell International Ltd. All rights reserved. */ #ifndef _PRESTERA_ACL_H_ #define _PRESTERA_ACL_H_ -enum prestera_acl_rule_match_entry_type { - PRESTERA_ACL_RULE_MATCH_ENTRY_TYPE_ETH_TYPE = 1, - PRESTERA_ACL_RULE_MATCH_ENTRY_TYPE_ETH_DMAC, - PRESTERA_ACL_RULE_MATCH_ENTRY_TYPE_ETH_SMAC, - PRESTERA_ACL_RULE_MATCH_ENTRY_TYPE_IP_PROTO, - PRESTERA_ACL_RULE_MATCH_ENTRY_TYPE_PORT, - PRESTERA_ACL_RULE_MATCH_ENTRY_TYPE_IP_SRC, - PRESTERA_ACL_RULE_MATCH_ENTRY_TYPE_IP_DST, - PRESTERA_ACL_RULE_MATCH_ENTRY_TYPE_L4_PORT_SRC, - PRESTERA_ACL_RULE_MATCH_ENTRY_TYPE_L4_PORT_DST, - PRESTERA_ACL_RULE_MATCH_ENTRY_TYPE_L4_PORT_RANGE_SRC, - PRESTERA_ACL_RULE_MATCH_ENTRY_TYPE_L4_PORT_RANGE_DST, - PRESTERA_ACL_RULE_MATCH_ENTRY_TYPE_VLAN_ID, - PRESTERA_ACL_RULE_MATCH_ENTRY_TYPE_VLAN_TPID, - PRESTERA_ACL_RULE_MATCH_ENTRY_TYPE_ICMP_TYPE, - PRESTERA_ACL_RULE_MATCH_ENTRY_TYPE_ICMP_CODE +#include <linux/types.h> +#include "prestera_counter.h" + +#define PRESTERA_ACL_KEYMASK_PCL_ID 0x3FF +#define PRESTERA_ACL_KEYMASK_PCL_ID_USER \ + (PRESTERA_ACL_KEYMASK_PCL_ID & 0x00FF) + +#define rule_match_set_n(match_p, type, val_p, size) \ + memcpy(&(match_p)[PRESTERA_ACL_RULE_MATCH_TYPE_##type], \ + val_p, size) +#define rule_match_set(match_p, type, val) \ + memcpy(&(match_p)[PRESTERA_ACL_RULE_MATCH_TYPE_##type], \ + &(val), sizeof(val)) + +enum prestera_acl_match_type { + PRESTERA_ACL_RULE_MATCH_TYPE_PCL_ID, + PRESTERA_ACL_RULE_MATCH_TYPE_ETH_TYPE, + PRESTERA_ACL_RULE_MATCH_TYPE_ETH_DMAC_0, + PRESTERA_ACL_RULE_MATCH_TYPE_ETH_DMAC_1, + PRESTERA_ACL_RULE_MATCH_TYPE_ETH_SMAC_0, + PRESTERA_ACL_RULE_MATCH_TYPE_ETH_SMAC_1, + PRESTERA_ACL_RULE_MATCH_TYPE_IP_PROTO, + PRESTERA_ACL_RULE_MATCH_TYPE_SYS_PORT, + PRESTERA_ACL_RULE_MATCH_TYPE_SYS_DEV, + PRESTERA_ACL_RULE_MATCH_TYPE_IP_SRC, + PRESTERA_ACL_RULE_MATCH_TYPE_IP_DST, + PRESTERA_ACL_RULE_MATCH_TYPE_L4_PORT_SRC, + PRESTERA_ACL_RULE_MATCH_TYPE_L4_PORT_DST, + PRESTERA_ACL_RULE_MATCH_TYPE_L4_PORT_RANGE_SRC, + PRESTERA_ACL_RULE_MATCH_TYPE_L4_PORT_RANGE_DST, + PRESTERA_ACL_RULE_MATCH_TYPE_VLAN_ID, + PRESTERA_ACL_RULE_MATCH_TYPE_VLAN_TPID, + PRESTERA_ACL_RULE_MATCH_TYPE_ICMP_TYPE, + PRESTERA_ACL_RULE_MATCH_TYPE_ICMP_CODE, + + __PRESTERA_ACL_RULE_MATCH_TYPE_MAX }; enum prestera_acl_rule_action { - PRESTERA_ACL_RULE_ACTION_ACCEPT, - PRESTERA_ACL_RULE_ACTION_DROP, - PRESTERA_ACL_RULE_ACTION_TRAP + PRESTERA_ACL_RULE_ACTION_ACCEPT = 0, + PRESTERA_ACL_RULE_ACTION_DROP = 1, + PRESTERA_ACL_RULE_ACTION_TRAP = 2, + PRESTERA_ACL_RULE_ACTION_COUNT = 7, + + PRESTERA_ACL_RULE_ACTION_MAX }; -struct prestera_switch; -struct prestera_port; -struct prestera_acl_rule; -struct prestera_acl_ruleset; +enum { + PRESTERA_ACL_IFACE_TYPE_PORT, + PRESTERA_ACL_IFACE_TYPE_INDEX +}; -struct prestera_flow_block_binding { - struct list_head list; - struct prestera_port *port; - int span_id; +struct prestera_acl_match { + __be32 key[__PRESTERA_ACL_RULE_MATCH_TYPE_MAX]; + __be32 mask[__PRESTERA_ACL_RULE_MATCH_TYPE_MAX]; }; -struct prestera_flow_block { - struct list_head binding_list; - struct prestera_switch *sw; - struct net *net; - struct prestera_acl_ruleset *ruleset; - struct flow_block_cb *block_cb; +struct prestera_acl_action_count { + u32 id; }; -struct prestera_acl_rule_action_entry { - struct list_head list; - enum prestera_acl_rule_action id; +struct prestera_acl_rule_entry_key { + u32 prio; + struct prestera_acl_match match; }; -struct prestera_acl_rule_match_entry { - struct list_head list; - enum prestera_acl_rule_match_entry_type type; +struct prestera_acl_hw_action_info { + enum prestera_acl_rule_action id; union { + struct prestera_acl_action_count count; + }; +}; + +/* This struct (arg) used only to be passed as parameter for + * acl_rule_entry_create. Must be flat. Can contain object keys, which will be + * resolved to object links, before saving to acl_rule_entry struct + */ +struct prestera_acl_rule_entry_arg { + u32 vtcam_id; + struct { struct { - u8 key; - u8 mask; - } u8; - struct { - u16 key; - u16 mask; - } u16; - struct { - u32 key; - u32 mask; - } u32; - struct { - u64 key; - u64 mask; - } u64; + u8 valid:1; + } accept, drop, trap; struct { - u8 key[ETH_ALEN]; - u8 mask[ETH_ALEN]; - } mac; - } keymask; + u8 valid:1; + u32 client; + } count; + }; +}; + +struct prestera_acl_rule { + struct rhash_head ht_node; /* Member of acl HT */ + struct list_head list; + struct prestera_acl_ruleset *ruleset; + unsigned long cookie; + u32 priority; + struct prestera_acl_rule_entry_key re_key; + struct prestera_acl_rule_entry_arg re_arg; + struct prestera_acl_rule_entry *re; }; +struct prestera_acl_iface { + union { + struct prestera_port *port; + u32 index; + }; + u8 type; +}; + +struct prestera_acl; +struct prestera_switch; +struct prestera_flow_block; + int prestera_acl_init(struct prestera_switch *sw); void prestera_acl_fini(struct prestera_switch *sw); -struct prestera_flow_block * -prestera_acl_block_create(struct prestera_switch *sw, struct net *net); -void prestera_acl_block_destroy(struct prestera_flow_block *block); -struct net *prestera_acl_block_net(struct prestera_flow_block *block); -struct prestera_switch *prestera_acl_block_sw(struct prestera_flow_block *block); -int prestera_acl_block_bind(struct prestera_flow_block *block, - struct prestera_port *port); -int prestera_acl_block_unbind(struct prestera_flow_block *block, - struct prestera_port *port); -struct prestera_acl_ruleset * -prestera_acl_block_ruleset_get(struct prestera_flow_block *block); + struct prestera_acl_rule * -prestera_acl_rule_create(struct prestera_flow_block *block, +prestera_acl_rule_create(struct prestera_acl_ruleset *ruleset, unsigned long cookie); -u32 prestera_acl_rule_priority_get(struct prestera_acl_rule *rule); void prestera_acl_rule_priority_set(struct prestera_acl_rule *rule, u32 priority); -u16 prestera_acl_rule_ruleset_id_get(const struct prestera_acl_rule *rule); -struct list_head * -prestera_acl_rule_action_list_get(struct prestera_acl_rule *rule); -u8 prestera_acl_rule_action_len(struct prestera_acl_rule *rule); -u8 prestera_acl_rule_match_len(struct prestera_acl_rule *rule); -int prestera_acl_rule_action_add(struct prestera_acl_rule *rule, - struct prestera_acl_rule_action_entry *entry); -struct list_head * -prestera_acl_rule_match_list_get(struct prestera_acl_rule *rule); -int prestera_acl_rule_match_add(struct prestera_acl_rule *rule, - struct prestera_acl_rule_match_entry *entry); void prestera_acl_rule_destroy(struct prestera_acl_rule *rule); struct prestera_acl_rule * prestera_acl_rule_lookup(struct prestera_acl_ruleset *ruleset, @@ -117,8 +133,39 @@ int prestera_acl_rule_add(struct prestera_switch *sw, struct prestera_acl_rule *rule); void prestera_acl_rule_del(struct prestera_switch *sw, struct prestera_acl_rule *rule); -int prestera_acl_rule_get_stats(struct prestera_switch *sw, +int prestera_acl_rule_get_stats(struct prestera_acl *acl, struct prestera_acl_rule *rule, u64 *packets, u64 *bytes, u64 *last_use); +struct prestera_acl_rule_entry * +prestera_acl_rule_entry_find(struct prestera_acl *acl, + struct prestera_acl_rule_entry_key *key); +void prestera_acl_rule_entry_destroy(struct prestera_acl *acl, + struct prestera_acl_rule_entry *e); +struct prestera_acl_rule_entry * +prestera_acl_rule_entry_create(struct prestera_acl *acl, + struct prestera_acl_rule_entry_key *key, + struct prestera_acl_rule_entry_arg *arg); +struct prestera_acl_ruleset * +prestera_acl_ruleset_get(struct prestera_acl *acl, + struct prestera_flow_block *block); +struct prestera_acl_ruleset * +prestera_acl_ruleset_lookup(struct prestera_acl *acl, + struct prestera_flow_block *block); +void prestera_acl_ruleset_keymask_set(struct prestera_acl_ruleset *ruleset, + void *keymask); +bool prestera_acl_ruleset_is_offload(struct prestera_acl_ruleset *ruleset); +int prestera_acl_ruleset_offload(struct prestera_acl_ruleset *ruleset); +void prestera_acl_ruleset_put(struct prestera_acl_ruleset *ruleset); +int prestera_acl_ruleset_bind(struct prestera_acl_ruleset *ruleset, + struct prestera_port *port); +int prestera_acl_ruleset_unbind(struct prestera_acl_ruleset *ruleset, + struct prestera_port *port); +void +prestera_acl_rule_keymask_pcl_id_set(struct prestera_acl_rule *rule, + u16 pcl_id); + +int prestera_acl_vtcam_id_get(struct prestera_acl *acl, u8 lookup, + void *keymask, u32 *vtcam_id); +int prestera_acl_vtcam_id_put(struct prestera_acl *acl, u32 vtcam_id); #endif /* _PRESTERA_ACL_H_ */ |