diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/tc.h')
| -rw-r--r-- | drivers/net/ethernet/sfc/tc.h | 144 |
1 files changed, 134 insertions, 10 deletions
diff --git a/drivers/net/ethernet/sfc/tc.h b/drivers/net/ethernet/sfc/tc.h index 1549c3df43bb..4dd2c378fd9f 100644 --- a/drivers/net/ethernet/sfc/tc.h +++ b/drivers/net/ethernet/sfc/tc.h @@ -18,36 +18,76 @@ #define IS_ALL_ONES(v) (!(typeof (v))~(v)) -#ifdef CONFIG_IPV6 +/** + * struct efx_tc_mac_pedit_action - mac pedit action fields + * + * @h_addr: mac address field of ethernet header + * @linkage: rhashtable reference + * @ref: reference count + * @fw_id: index of this entry in firmware MAC address table + * + * MAC address edits are indirected through a table in the hardware + */ +struct efx_tc_mac_pedit_action { + u8 h_addr[ETH_ALEN]; + struct rhash_head linkage; + refcount_t ref; + u32 fw_id; /* index of this entry in firmware MAC address table */ +}; + static inline bool efx_ipv6_addr_all_ones(struct in6_addr *addr) { return !memchr_inv(addr, 0xff, sizeof(*addr)); } -#endif struct efx_tc_encap_action; /* see tc_encap_actions.h */ +/** + * struct efx_tc_action_set - collection of tc action fields + * + * @vlan_push: the number of vlan headers to push + * @vlan_pop: the number of vlan headers to pop + * @decap: used to indicate a tunnel header decapsulation should take place + * @do_ttl_dec: used to indicate IP TTL / Hop Limit should be decremented + * @deliver: used to indicate a deliver action should take place + * @vlan_tci: tci fields for vlan push actions + * @vlan_proto: ethernet types for vlan push actions + * @count: counter mapping + * @encap_md: encap entry in tc_encap_ht table + * @encap_user: linked list of encap users (encap_md->users) + * @user: owning action-set-list. Only populated if @encap_md is; used by efx_tc_update_encap() fallback handling + * @count_user: linked list of counter users (counter->users) + * @dest_mport: destination mport + * @src_mac: source mac entry in tc_mac_ht table + * @dst_mac: destination mac entry in tc_mac_ht table + * @fw_id: index of this entry in firmware actions table + * @list: linked list of tc actions + * + */ struct efx_tc_action_set { u16 vlan_push:2; u16 vlan_pop:2; u16 decap:1; + u16 do_ttl_dec:1; u16 deliver:1; - __be16 vlan_tci[2]; /* TCIs for vlan_push */ - __be16 vlan_proto[2]; /* Ethertypes for vlan_push */ + __be16 vlan_tci[2]; + __be16 vlan_proto[2]; struct efx_tc_counter_index *count; - struct efx_tc_encap_action *encap_md; /* entry in tc_encap_ht table */ - struct list_head encap_user; /* entry on encap_md->users list */ - struct efx_tc_action_set_list *user; /* Only populated if encap_md */ - struct list_head count_user; /* entry on counter->users list, if encap */ + struct efx_tc_encap_action *encap_md; + struct list_head encap_user; + struct efx_tc_action_set_list *user; + struct list_head count_user; u32 dest_mport; - u32 fw_id; /* index of this entry in firmware actions table */ + struct efx_tc_mac_pedit_action *src_mac; + struct efx_tc_mac_pedit_action *dst_mac; + u32 fw_id; struct list_head list; }; struct efx_tc_match_fields { /* L1 */ u32 ingress_port; - u8 recirc_id; + u8 recirc_id; /* mapped from (u32) TC chain_index to smaller space */ /* L2 (inner when encap) */ __be16 eth_proto; __be16 vlan_tci[2], vlan_proto[2]; @@ -62,6 +102,7 @@ struct efx_tc_match_fields { /* L4 */ __be16 l4_sport, l4_dport; /* Ports (UDP, TCP) */ __be16 tcp_flags; + bool tcp_syn_fin_rst; /* true if ANY of SYN/FIN/RST are set */ /* Encap. The following are *outer* fields. Note that there are no * outer eth (L2) fields; this is because TC doesn't have them. */ @@ -70,6 +111,10 @@ struct efx_tc_match_fields { u8 enc_ip_tos, enc_ip_ttl; __be16 enc_sport, enc_dport; __be32 enc_keyid; /* e.g. VNI, VSID */ + /* Conntrack. */ + u16 ct_state_trk:1, ct_state_est:1; + u32 ct_mark; + u16 ct_zone; }; static inline bool efx_tc_match_is_encap(const struct efx_tc_match_fields *mask) @@ -117,10 +162,19 @@ struct efx_tc_encap_match { struct efx_tc_encap_match *pseudo; /* Referenced pseudo EM if needed */ }; +struct efx_tc_recirc_id { + u32 chain_index; + struct net_device *net_dev; + struct rhash_head linkage; + refcount_t ref; + u8 fw_id; /* index allocated for use in the MAE */ +}; + struct efx_tc_match { struct efx_tc_match_fields value; struct efx_tc_match_fields mask; struct efx_tc_encap_match *encap; + struct efx_tc_recirc_id *rid; }; struct efx_tc_action_set_list { @@ -128,6 +182,12 @@ struct efx_tc_action_set_list { u32 fw_id; }; +struct efx_tc_lhs_action { + struct efx_tc_recirc_id *rid; + struct efx_tc_ct_zone *zone; + struct efx_tc_counter_index *count; +}; + struct efx_tc_flow_rule { unsigned long cookie; struct rhash_head linkage; @@ -137,12 +197,62 @@ struct efx_tc_flow_rule { u32 fw_id; }; +struct efx_tc_lhs_rule { + unsigned long cookie; + struct efx_tc_match match; + struct efx_tc_lhs_action lhs_act; + struct rhash_head linkage; + u32 fw_id; +}; + enum efx_tc_rule_prios { EFX_TC_PRIO_TC, /* Rule inserted by TC */ EFX_TC_PRIO_DFLT, /* Default switch rule; one of efx_tc_default_rules */ EFX_TC_PRIO__NUM }; +struct efx_tc_table_field_fmt { + u16 field_id; + u16 lbn; + u16 width; + u8 masking; + u8 scheme; +}; + +struct efx_tc_table_desc { + u16 type; + u16 key_width; + u16 resp_width; + u16 n_keys; + u16 n_resps; + u16 n_prios; + u8 flags; + u8 scheme; + struct efx_tc_table_field_fmt *keys; + struct efx_tc_table_field_fmt *resps; +}; + +struct efx_tc_table_ct { /* TABLE_ID_CONNTRACK_TABLE */ + struct efx_tc_table_desc desc; + bool hooked; + struct { /* indices of named fields within @desc.keys */ + u8 eth_proto_idx; + u8 ip_proto_idx; + u8 src_ip_idx; /* either v4 or v6 */ + u8 dst_ip_idx; + u8 l4_sport_idx; + u8 l4_dport_idx; + u8 zone_idx; /* for TABLE_FIELD_ID_DOMAIN */ + } keys; + struct { /* indices of named fields within @desc.resps */ + u8 dnat_idx; + u8 nat_ip_idx; + u8 l4_natport_idx; + u8 mark_idx; + u8 counter_id_idx; + } resps; +}; + /** * struct efx_tc_state - control plane data for TC offload * @@ -152,9 +262,16 @@ enum efx_tc_rule_prios { * @counter_ht: Hashtable of TC counters (FW IDs and counter values) * @counter_id_ht: Hashtable mapping TC counter cookies to counters * @encap_ht: Hashtable of TC encap actions + * @mac_ht: Hashtable of MAC address entries (for pedits) * @encap_match_ht: Hashtable of TC encap matches * @match_action_ht: Hashtable of TC match-action rules + * @lhs_rule_ht: Hashtable of TC left-hand (act ct & goto chain) rules + * @ct_zone_ht: Hashtable of TC conntrack flowtable bindings + * @ct_ht: Hashtable of TC conntrack flow entries * @neigh_ht: Hashtable of neighbour watches (&struct efx_neigh_binder) + * @recirc_ht: Hashtable of recirculation ID mappings (&struct efx_tc_recirc_id) + * @recirc_ida: Recirculation ID allocator + * @meta_ct: MAE table layout for conntrack table * @reps_mport_id: MAE port allocated for representor RX * @reps_filter_uc: VNIC filter for representor unicast RX (promisc) * @reps_filter_mc: VNIC filter for representor multicast RX (allmulti) @@ -183,9 +300,16 @@ struct efx_tc_state { struct rhashtable counter_ht; struct rhashtable counter_id_ht; struct rhashtable encap_ht; + struct rhashtable mac_ht; struct rhashtable encap_match_ht; struct rhashtable match_action_ht; + struct rhashtable lhs_rule_ht; + struct rhashtable ct_zone_ht; + struct rhashtable ct_ht; struct rhashtable neigh_ht; + struct rhashtable recirc_ht; + struct ida recirc_ida; + struct efx_tc_table_ct meta_ct; u32 reps_mport_id, reps_mport_vport_id; s32 reps_filter_uc, reps_filter_mc; bool flush_counters; |