diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/tc.h')
| -rw-r--r-- | drivers/net/ethernet/sfc/tc.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/tc.h b/drivers/net/ethernet/sfc/tc.h index 04cced6a2d39..1549c3df43bb 100644 --- a/drivers/net/ethernet/sfc/tc.h +++ b/drivers/net/ethernet/sfc/tc.h @@ -25,6 +25,8 @@ static inline bool efx_ipv6_addr_all_ones(struct in6_addr *addr) } #endif +struct efx_tc_encap_action; /* see tc_encap_actions.h */ + struct efx_tc_action_set { u16 vlan_push:2; u16 vlan_pop:2; @@ -33,6 +35,10 @@ struct efx_tc_action_set { __be16 vlan_tci[2]; /* TCIs for vlan_push */ __be16 vlan_proto[2]; /* Ethertypes for vlan_push */ 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 */ u32 dest_mport; u32 fw_id; /* index of this entry in firmware actions table */ struct list_head list; @@ -74,14 +80,41 @@ static inline bool efx_tc_match_is_encap(const struct efx_tc_match_fields *mask) mask->enc_ip_ttl || mask->enc_sport || mask->enc_dport; } +/** + * enum efx_tc_em_pseudo_type - &struct efx_tc_encap_match pseudo type + * + * These are used to classify "pseudo" encap matches, which don't refer + * to an entry in hardware but rather indicate that a section of the + * match space is in use by another Outer Rule. + * + * @EFX_TC_EM_DIRECT: real HW entry in Outer Rule table; not a pseudo. + * Hardware index in &struct efx_tc_encap_match.fw_id is valid. + * @EFX_TC_EM_PSEUDO_MASK: registered by an encap match which includes a + * match on an optional field (currently ip_tos and/or udp_sport), + * to prevent an overlapping encap match _without_ optional fields. + * The pseudo encap match may be referenced again by an encap match + * with different values for these fields, but all masks must match the + * first (stored in our child_* fields). + */ +enum efx_tc_em_pseudo_type { + EFX_TC_EM_DIRECT, + EFX_TC_EM_PSEUDO_MASK, +}; + struct efx_tc_encap_match { __be32 src_ip, dst_ip; struct in6_addr src_ip6, dst_ip6; __be16 udp_dport; + __be16 udp_sport, udp_sport_mask; + u8 ip_tos, ip_tos_mask; struct rhash_head linkage; enum efx_encap_type tun_type; + u8 child_ip_tos_mask; + __be16 child_udp_sport_mask; refcount_t ref; + enum efx_tc_em_pseudo_type type; u32 fw_id; /* index of this entry in firmware encap match table */ + struct efx_tc_encap_match *pseudo; /* Referenced pseudo EM if needed */ }; struct efx_tc_match { @@ -100,6 +133,7 @@ struct efx_tc_flow_rule { struct rhash_head linkage; struct efx_tc_match match; struct efx_tc_action_set_list acts; + struct efx_tc_action_set_list *fallback; /* what to use when unready? */ u32 fw_id; }; @@ -117,8 +151,10 @@ enum efx_tc_rule_prios { * @mutex: Used to serialise operations on TC hashtables * @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 * @encap_match_ht: Hashtable of TC encap matches * @match_action_ht: Hashtable of TC match-action rules + * @neigh_ht: Hashtable of neighbour watches (&struct efx_neigh_binder) * @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) @@ -133,6 +169,11 @@ enum efx_tc_rule_prios { * %EFX_TC_PRIO_DFLT. Named by *ingress* port * @dflt.pf: rule for traffic ingressing from PF (egresses to wire) * @dflt.wire: rule for traffic ingressing from wire (egresses to PF) + * @facts: Fallback action-set-lists for unready rules. Named by *egress* port + * @facts.pf: action-set-list for unready rules on PF netdev, hence applying to + * traffic from wire, and egressing to PF + * @facts.reps: action-set-list for unready rules on representors, hence + * applying to traffic from representees, and egressing to the reps mport * @up: have TC datastructures been set up? */ struct efx_tc_state { @@ -141,8 +182,10 @@ struct efx_tc_state { struct mutex mutex; struct rhashtable counter_ht; struct rhashtable counter_id_ht; + struct rhashtable encap_ht; struct rhashtable encap_match_ht; struct rhashtable match_action_ht; + struct rhashtable neigh_ht; u32 reps_mport_id, reps_mport_vport_id; s32 reps_filter_uc, reps_filter_mc; bool flush_counters; @@ -153,11 +196,19 @@ struct efx_tc_state { struct efx_tc_flow_rule pf; struct efx_tc_flow_rule wire; } dflt; + struct { + struct efx_tc_action_set_list pf; + struct efx_tc_action_set_list reps; + } facts; bool up; }; struct efx_rep; +enum efx_encap_type efx_tc_indr_netdev_type(struct net_device *net_dev); +struct efx_rep *efx_tc_flower_lookup_efv(struct efx_nic *efx, + struct net_device *dev); +s64 efx_tc_flower_external_mport(struct efx_nic *efx, struct efx_rep *efv); int efx_tc_configure_default_rule_rep(struct efx_rep *efv); void efx_tc_deconfigure_default_rule(struct efx_nic *efx, struct efx_tc_flow_rule *rule); |