diff options
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/main.h | 87 | ||||
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/metadata.c | 19 | ||||
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c | 32 |
3 files changed, 105 insertions, 33 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.h b/drivers/net/ethernet/netronome/nfp/flower/main.h index fa902ce2dd82..454fdb6ea4a5 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/main.h +++ b/drivers/net/ethernet/netronome/nfp/flower/main.h @@ -51,6 +51,7 @@ struct nfp_app; #define NFP_FL_FEATS_VLAN_QINQ BIT(8) #define NFP_FL_FEATS_QOS_PPS BIT(9) #define NFP_FL_FEATS_QOS_METER BIT(10) +#define NFP_FL_FEATS_DECAP_V2 BIT(11) #define NFP_FL_FEATS_HOST_ACK BIT(31) #define NFP_FL_ENABLE_FLOW_MERGE BIT(0) @@ -110,6 +111,80 @@ struct nfp_fl_tunnel_offloads { }; /** + * struct nfp_tun_neigh - neighbour/route entry on the NFP + * @dst_ipv4: Destination IPv4 address + * @src_ipv4: Source IPv4 address + * @dst_addr: Destination MAC address + * @src_addr: Source MAC address + * @port_id: NFP port to output packet on - associated with source IPv4 + * @vlan_tpid: VLAN_TPID match field + * @vlan_tci: VLAN_TCI match field + * @host_ctx: Host context ID to be saved here + */ +struct nfp_tun_neigh { + __be32 dst_ipv4; + __be32 src_ipv4; + u8 dst_addr[ETH_ALEN]; + u8 src_addr[ETH_ALEN]; + __be32 port_id; + __be16 vlan_tpid; + __be16 vlan_tci; + __be32 host_ctx; +}; + +/** + * struct nfp_tun_neigh_v6 - neighbour/route entry on the NFP + * @dst_ipv6: Destination IPv6 address + * @src_ipv6: Source IPv6 address + * @dst_addr: Destination MAC address + * @src_addr: Source MAC address + * @port_id: NFP port to output packet on - associated with source IPv6 + * @vlan_tpid: VLAN_TPID match field + * @vlan_tci: VLAN_TCI match field + * @host_ctx: Host context ID to be saved here + */ +struct nfp_tun_neigh_v6 { + struct in6_addr dst_ipv6; + struct in6_addr src_ipv6; + u8 dst_addr[ETH_ALEN]; + u8 src_addr[ETH_ALEN]; + __be32 port_id; + __be16 vlan_tpid; + __be16 vlan_tci; + __be32 host_ctx; +}; + +/** + * struct nfp_neigh_entry + * @neigh_cookie: Cookie for hashtable lookup + * @ht_node: rhash_head entry for hashtable + * @list_head: Needed as member of linked_nn_entries list + * @payload: The neighbour info payload + * @flow: Linked flow rule + * @is_ipv6: Flag to indicate if payload is ipv6 or ipv4 + */ +struct nfp_neigh_entry { + unsigned long neigh_cookie; + struct rhash_head ht_node; + struct list_head list_head; + char *payload; + struct nfp_predt_entry *flow; + bool is_ipv6; +}; + +/** + * struct nfp_predt_entry + * @list_head: List head to attach to predt_list + * @flow_pay: Direct link to flow_payload + * @nn_list: List of linked nfp_neigh_entries + */ +struct nfp_predt_entry { + struct list_head list_head; + struct nfp_fl_payload *flow_pay; + struct list_head nn_list; +}; + +/** * struct nfp_mtu_conf - manage MTU setting * @portnum: NFP port number of repr with requested MTU change * @requested_val: MTU value requested for repr @@ -202,6 +277,9 @@ struct nfp_fl_internal_ports { * @ct_zone_table: Hash table used to store the different zones * @ct_zone_wc: Special zone entry for wildcarded zone matches * @ct_map_table: Hash table used to referennce ct flows + * @predt_list: List to keep track of decap pretun flows + * @neigh_table: Table to keep track of neighbor entries + * @predt_lock: Lock to serialise predt/neigh table updates */ struct nfp_flower_priv { struct nfp_app *app; @@ -241,6 +319,9 @@ struct nfp_flower_priv { struct rhashtable ct_zone_table; struct nfp_fl_ct_zone_entry *ct_zone_wc; struct rhashtable ct_map_table; + struct list_head predt_list; + struct rhashtable neigh_table; + spinlock_t predt_lock; /* Lock to serialise predt/neigh table updates */ }; /** @@ -344,9 +425,14 @@ struct nfp_fl_payload { struct list_head linked_flows; bool in_hw; struct { + struct nfp_predt_entry *predt; struct net_device *dev; + __be16 vlan_tpid; __be16 vlan_tci; __be16 port_idx; + u8 loc_mac[ETH_ALEN]; + u8 rem_mac[ETH_ALEN]; + bool is_ipv6; } pre_tun_rule; }; @@ -369,6 +455,7 @@ struct nfp_fl_payload_link { extern const struct rhashtable_params nfp_flower_table_params; extern const struct rhashtable_params merge_table_params; +extern const struct rhashtable_params neigh_table_params; struct nfp_merge_info { u64 parent_ctx; diff --git a/drivers/net/ethernet/netronome/nfp/flower/metadata.c b/drivers/net/ethernet/netronome/nfp/flower/metadata.c index f448c5682594..74e1b279c13b 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/metadata.c +++ b/drivers/net/ethernet/netronome/nfp/flower/metadata.c @@ -502,6 +502,12 @@ const struct rhashtable_params nfp_ct_map_params = { .automatic_shrinking = true, }; +const struct rhashtable_params neigh_table_params = { + .key_offset = offsetof(struct nfp_neigh_entry, neigh_cookie), + .head_offset = offsetof(struct nfp_neigh_entry, ht_node), + .key_len = sizeof(unsigned long), +}; + int nfp_flower_metadata_init(struct nfp_app *app, u64 host_ctx_count, unsigned int host_num_mems) { @@ -530,6 +536,12 @@ int nfp_flower_metadata_init(struct nfp_app *app, u64 host_ctx_count, if (err) goto err_free_ct_zone_table; + err = rhashtable_init(&priv->neigh_table, &neigh_table_params); + if (err) + goto err_free_ct_map_table; + + INIT_LIST_HEAD(&priv->predt_list); + get_random_bytes(&priv->mask_id_seed, sizeof(priv->mask_id_seed)); /* Init ring buffer and unallocated mask_ids. */ @@ -537,7 +549,7 @@ int nfp_flower_metadata_init(struct nfp_app *app, u64 host_ctx_count, kmalloc_array(NFP_FLOWER_MASK_ENTRY_RS, NFP_FLOWER_MASK_ELEMENT_RS, GFP_KERNEL); if (!priv->mask_ids.mask_id_free_list.buf) - goto err_free_ct_map_table; + goto err_free_neigh_table; priv->mask_ids.init_unallocated = NFP_FLOWER_MASK_ENTRY_RS - 1; @@ -565,6 +577,7 @@ int nfp_flower_metadata_init(struct nfp_app *app, u64 host_ctx_count, goto err_free_ring_buf; spin_lock_init(&priv->stats_lock); + spin_lock_init(&priv->predt_lock); return 0; @@ -574,6 +587,8 @@ err_free_last_used: kfree(priv->mask_ids.last_used); err_free_mask_id: kfree(priv->mask_ids.mask_id_free_list.buf); +err_free_neigh_table: + rhashtable_destroy(&priv->neigh_table); err_free_ct_map_table: rhashtable_destroy(&priv->ct_map_table); err_free_ct_zone_table: @@ -700,6 +715,8 @@ void nfp_flower_metadata_cleanup(struct nfp_app *app) rhashtable_free_and_destroy(&priv->ct_map_table, nfp_free_map_table_entry, NULL); + rhashtable_free_and_destroy(&priv->neigh_table, + nfp_check_rhashtable_empty, NULL); kvfree(priv->stats); kfree(priv->mask_ids.mask_id_free_list.buf); kfree(priv->mask_ids.last_used); diff --git a/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c b/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c index c71bd555f482..f5e8ed14e517 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c +++ b/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c @@ -77,38 +77,6 @@ struct nfp_tun_active_tuns_v6 { }; /** - * struct nfp_tun_neigh - neighbour/route entry on the NFP - * @dst_ipv4: destination IPv4 address - * @src_ipv4: source IPv4 address - * @dst_addr: destination MAC address - * @src_addr: source MAC address - * @port_id: NFP port to output packet on - associated with source IPv4 - */ -struct nfp_tun_neigh { - __be32 dst_ipv4; - __be32 src_ipv4; - u8 dst_addr[ETH_ALEN]; - u8 src_addr[ETH_ALEN]; - __be32 port_id; -}; - -/** - * struct nfp_tun_neigh_v6 - neighbour/route entry on the NFP - * @dst_ipv6: destination IPv6 address - * @src_ipv6: source IPv6 address - * @dst_addr: destination MAC address - * @src_addr: source MAC address - * @port_id: NFP port to output packet on - associated with source IPv6 - */ -struct nfp_tun_neigh_v6 { - struct in6_addr dst_ipv6; - struct in6_addr src_ipv6; - u8 dst_addr[ETH_ALEN]; - u8 src_addr[ETH_ALEN]; - __be32 port_id; -}; - -/** * struct nfp_tun_req_route_ipv4 - NFP requests a route/neighbour lookup * @ingress_port: ingress port of packet that signalled request * @ipv4_addr: destination ipv4 address for route |