| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| John Hurley | 722 | 53.09% | 30 | 50.85% |
| Pieter Jansen van Vuuren | 557 | 40.96% | 20 | 33.90% |
| Jakub Kiciński | 52 | 3.82% | 3 | 5.08% |
| Simon Horman | 10 | 0.74% | 1 | 1.69% |
| Jiri Pirko | 9 | 0.66% | 2 | 3.39% |
| Dirk van der Merwe | 6 | 0.44% | 1 | 1.69% |
| Pablo Neira Ayuso | 3 | 0.22% | 1 | 1.69% |
| Arnd Bergmann | 1 | 0.07% | 1 | 1.69% |
| Total | 1360 | 59 |
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ /* Copyright (C) 2017-2018 Netronome Systems, Inc. */ #ifndef __NFP_FLOWER_H__ #define __NFP_FLOWER_H__ 1 #include "cmsg.h" #include "../nfp_net.h" #include <linux/circ_buf.h> #include <linux/hashtable.h> #include <linux/rhashtable.h> #include <linux/time64.h> #include <linux/types.h> #include <net/pkt_cls.h> #include <net/tcp.h> #include <linux/workqueue.h> #include <linux/idr.h> struct nfp_fl_pre_lag; struct net_device; struct nfp_app; #define NFP_FL_STAT_ID_MU_NUM GENMASK(31, 22) #define NFP_FL_STAT_ID_STAT GENMASK(21, 0) #define NFP_FL_STATS_ELEM_RS FIELD_SIZEOF(struct nfp_fl_stats_id, \ init_unalloc) #define NFP_FLOWER_MASK_ENTRY_RS 256 #define NFP_FLOWER_MASK_ELEMENT_RS 1 #define NFP_FLOWER_MASK_HASH_BITS 10 #define NFP_FL_META_FLAG_MANAGE_MASK BIT(7) #define NFP_FL_MASK_REUSE_TIME_NS 40000 #define NFP_FL_MASK_ID_LOCATION 1 /* Extra features bitmap. */ #define NFP_FL_FEATS_GENEVE BIT(0) #define NFP_FL_NBI_MTU_SETTING BIT(1) #define NFP_FL_FEATS_GENEVE_OPT BIT(2) #define NFP_FL_FEATS_VLAN_PCP BIT(3) #define NFP_FL_FEATS_VF_RLIM BIT(4) #define NFP_FL_FEATS_FLOW_MOD BIT(5) #define NFP_FL_FEATS_PRE_TUN_RULES BIT(6) #define NFP_FL_FEATS_FLOW_MERGE BIT(30) #define NFP_FL_FEATS_LAG BIT(31) struct nfp_fl_mask_id { struct circ_buf mask_id_free_list; ktime_t *last_used; u8 init_unallocated; }; struct nfp_fl_stats_id { struct circ_buf free_list; u32 init_unalloc; u8 repeated_em_count; }; /** * struct nfp_fl_tunnel_offloads - priv data for tunnel offloads * @offloaded_macs: Hashtable of the offloaded MAC addresses * @ipv4_off_list: List of IPv4 addresses to offload * @neigh_off_list: List of neighbour offloads * @ipv4_off_lock: Lock for the IPv4 address list * @neigh_off_lock: Lock for the neighbour address list * @mac_off_ids: IDA to manage id assignment for offloaded MACs * @neigh_nb: Notifier to monitor neighbour state */ struct nfp_fl_tunnel_offloads { struct rhashtable offloaded_macs; struct list_head ipv4_off_list; struct list_head neigh_off_list; struct mutex ipv4_off_lock; spinlock_t neigh_off_lock; struct ida mac_off_ids; struct notifier_block neigh_nb; }; /** * struct nfp_mtu_conf - manage MTU setting * @portnum: NFP port number of repr with requested MTU change * @requested_val: MTU value requested for repr * @ack: Received ack that MTU has been correctly set * @wait_q: Wait queue for MTU acknowledgements * @lock: Lock for setting/reading MTU variables */ struct nfp_mtu_conf { u32 portnum; unsigned int requested_val; bool ack; wait_queue_head_t wait_q; spinlock_t lock; }; /** * struct nfp_fl_lag - Flower APP priv data for link aggregation * @work: Work queue for writing configs to the HW * @lock: Lock to protect lag_group_list * @group_list: List of all master/slave groups offloaded * @ida_handle: IDA to handle group ids * @pkt_num: Incremented for each config packet sent * @batch_ver: Incremented for each batch of config packets * @global_inst: Instance allocator for groups * @rst_cfg: Marker to reset HW LAG config * @retrans_skbs: Cmsgs that could not be processed by HW and require * retransmission */ struct nfp_fl_lag { struct delayed_work work; struct mutex lock; struct list_head group_list; struct ida ida_handle; unsigned int pkt_num; unsigned int batch_ver; u8 global_inst; bool rst_cfg; struct sk_buff_head retrans_skbs; }; /** * struct nfp_fl_internal_ports - Flower APP priv data for additional ports * @port_ids: Assignment of ids to any additional ports * @lock: Lock for extra ports list */ struct nfp_fl_internal_ports { struct idr port_ids; spinlock_t lock; }; /** * struct nfp_flower_priv - Flower APP per-vNIC priv data * @app: Back pointer to app * @nn: Pointer to vNIC * @mask_id_seed: Seed used for mask hash table * @flower_version: HW version of flower * @flower_ext_feats: Bitmap of extra features the HW supports * @stats_ids: List of free stats ids * @mask_ids: List of free mask ids * @mask_table: Hash table used to store masks * @stats_ring_size: Maximum number of allowed stats ids * @flow_table: Hash table used to store flower rules * @stats: Stored stats updates for flower rules * @stats_lock: Lock for flower rule stats updates * @stats_ctx_table: Hash table to map stats contexts to its flow rule * @cmsg_work: Workqueue for control messages processing * @cmsg_skbs_high: List of higher priority skbs for control message * processing * @cmsg_skbs_low: List of lower priority skbs for control message * processing * @tun: Tunnel offload data * @reify_replies: atomically stores the number of replies received * from firmware for repr reify * @reify_wait_queue: wait queue for repr reify response counting * @mtu_conf: Configuration of repr MTU value * @nfp_lag: Link aggregation data block * @indr_block_cb_priv: List of priv data passed to indirect block cbs * @non_repr_priv: List of offloaded non-repr ports and their priv data * @active_mem_unit: Current active memory unit for flower rules * @total_mem_units: Total number of available memory units for flower rules * @internal_ports: Internal port ids used in offloaded rules * @qos_stats_work: Workqueue for qos stats processing * @qos_rate_limiters: Current active qos rate limiters * @qos_stats_lock: Lock on qos stats updates * @pre_tun_rule_cnt: Number of pre-tunnel rules offloaded */ struct nfp_flower_priv { struct nfp_app *app; struct nfp_net *nn; u32 mask_id_seed; u64 flower_version; u64 flower_ext_feats; struct nfp_fl_stats_id stats_ids; struct nfp_fl_mask_id mask_ids; DECLARE_HASHTABLE(mask_table, NFP_FLOWER_MASK_HASH_BITS); u32 stats_ring_size; struct rhashtable flow_table; struct nfp_fl_stats *stats; spinlock_t stats_lock; /* lock stats */ struct rhashtable stats_ctx_table; struct work_struct cmsg_work; struct sk_buff_head cmsg_skbs_high; struct sk_buff_head cmsg_skbs_low; struct nfp_fl_tunnel_offloads tun; atomic_t reify_replies; wait_queue_head_t reify_wait_queue; struct nfp_mtu_conf mtu_conf; struct nfp_fl_lag nfp_lag; struct list_head indr_block_cb_priv; struct list_head non_repr_priv; unsigned int active_mem_unit; unsigned int total_mem_units; struct nfp_fl_internal_ports internal_ports; struct delayed_work qos_stats_work; unsigned int qos_rate_limiters; spinlock_t qos_stats_lock; /* Protect the qos stats */ int pre_tun_rule_cnt; }; /** * struct nfp_fl_qos - Flower APP priv data for quality of service * @netdev_port_id: NFP port number of repr with qos info * @curr_stats: Currently stored stats updates for qos info * @prev_stats: Previously stored updates for qos info * @last_update: Stored time when last stats were updated */ struct nfp_fl_qos { u32 netdev_port_id; struct nfp_stat_pair curr_stats; struct nfp_stat_pair prev_stats; u64 last_update; }; /** * struct nfp_flower_repr_priv - Flower APP per-repr priv data * @nfp_repr: Back pointer to nfp_repr * @lag_port_flags: Extended port flags to record lag state of repr * @mac_offloaded: Flag indicating a MAC address is offloaded for repr * @offloaded_mac_addr: MAC address that has been offloaded for repr * @block_shared: Flag indicating if offload applies to shared blocks * @mac_list: List entry of reprs that share the same offloaded MAC * @qos_table: Stored info on filters implementing qos * @on_bridge: Indicates if the repr is attached to a bridge */ struct nfp_flower_repr_priv { struct nfp_repr *nfp_repr; unsigned long lag_port_flags; bool mac_offloaded; u8 offloaded_mac_addr[ETH_ALEN]; bool block_shared; struct list_head mac_list; struct nfp_fl_qos qos_table; bool on_bridge; }; /** * struct nfp_flower_non_repr_priv - Priv data for non-repr offloaded ports * @list: List entry of offloaded reprs * @netdev: Pointer to non-repr net_device * @ref_count: Number of references held for this priv data * @mac_offloaded: Flag indicating a MAC address is offloaded for device * @offloaded_mac_addr: MAC address that has been offloaded for dev */ struct nfp_flower_non_repr_priv { struct list_head list; struct net_device *netdev; int ref_count; bool mac_offloaded; u8 offloaded_mac_addr[ETH_ALEN]; }; struct nfp_fl_key_ls { u32 key_layer_two; u8 key_layer; int key_size; }; struct nfp_fl_rule_metadata { u8 key_len; u8 mask_len; u8 act_len; u8 flags; __be32 host_ctx_id; __be64 host_cookie __packed; __be64 flow_version __packed; __be32 shortcut; }; struct nfp_fl_stats { u64 pkts; u64 bytes; u64 used; }; struct nfp_fl_payload { struct nfp_fl_rule_metadata meta; unsigned long tc_flower_cookie; struct rhash_head fl_node; struct rcu_head rcu; __be32 nfp_tun_ipv4_addr; struct net_device *ingress_dev; char *unmasked_data; char *mask_data; char *action_data; struct list_head linked_flows; bool in_hw; struct { struct net_device *dev; __be16 vlan_tci; __be16 port_idx; } pre_tun_rule; }; struct nfp_fl_payload_link { /* A link contains a pointer to a merge flow and an associated sub_flow. * Each merge flow will feature in 2 links to its underlying sub_flows. * A sub_flow will have at least 1 link to a merge flow or more if it * has been used to create multiple merge flows. * * For a merge flow, 'linked_flows' in its nfp_fl_payload struct lists * all links to sub_flows (sub_flow.flow) via merge.list. * For a sub_flow, 'linked_flows' gives all links to merge flows it has * formed (merge_flow.flow) via sub_flow.list. */ struct { struct list_head list; struct nfp_fl_payload *flow; } merge_flow, sub_flow; }; extern const struct rhashtable_params nfp_flower_table_params; struct nfp_fl_stats_frame { __be32 stats_con_id; __be32 pkt_count; __be64 byte_count; __be64 stats_cookie; }; static inline bool nfp_flower_internal_port_can_offload(struct nfp_app *app, struct net_device *netdev) { struct nfp_flower_priv *app_priv = app->priv; if (!(app_priv->flower_ext_feats & NFP_FL_FEATS_FLOW_MERGE)) return false; if (!netdev->rtnl_link_ops) return false; if (!strcmp(netdev->rtnl_link_ops->kind, "openvswitch")) return true; return false; } /* The address of the merged flow acts as its cookie. * Cookies supplied to us by TC flower are also addresses to allocated * memory and thus this scheme should not generate any collisions. */ static inline bool nfp_flower_is_merge_flow(struct nfp_fl_payload *flow_pay) { return flow_pay->tc_flower_cookie == (unsigned long)flow_pay; } static inline bool nfp_flower_is_supported_bridge(struct net_device *netdev) { return netif_is_ovs_master(netdev); } int nfp_flower_metadata_init(struct nfp_app *app, u64 host_ctx_count, unsigned int host_ctx_split); void nfp_flower_metadata_cleanup(struct nfp_app *app); int nfp_flower_setup_tc(struct nfp_app *app, struct net_device *netdev, enum tc_setup_type type, void *type_data); int nfp_flower_merge_offloaded_flows(struct nfp_app *app, struct nfp_fl_payload *sub_flow1, struct nfp_fl_payload *sub_flow2); int nfp_flower_compile_flow_match(struct nfp_app *app, struct flow_cls_offload *flow, struct nfp_fl_key_ls *key_ls, struct net_device *netdev, struct nfp_fl_payload *nfp_flow, enum nfp_flower_tun_type tun_type, struct netlink_ext_ack *extack); int nfp_flower_compile_action(struct nfp_app *app, struct flow_cls_offload *flow, struct net_device *netdev, struct nfp_fl_payload *nfp_flow, struct netlink_ext_ack *extack); int nfp_compile_flow_metadata(struct nfp_app *app, struct flow_cls_offload *flow, struct nfp_fl_payload *nfp_flow, struct net_device *netdev, struct netlink_ext_ack *extack); void __nfp_modify_flow_metadata(struct nfp_flower_priv *priv, struct nfp_fl_payload *nfp_flow); int nfp_modify_flow_metadata(struct nfp_app *app, struct nfp_fl_payload *nfp_flow); struct nfp_fl_payload * nfp_flower_search_fl_table(struct nfp_app *app, unsigned long tc_flower_cookie, struct net_device *netdev); struct nfp_fl_payload * nfp_flower_get_fl_payload_from_ctx(struct nfp_app *app, u32 ctx_id); struct nfp_fl_payload * nfp_flower_remove_fl_table(struct nfp_app *app, unsigned long tc_flower_cookie); void nfp_flower_rx_flow_stats(struct nfp_app *app, struct sk_buff *skb); int nfp_tunnel_config_start(struct nfp_app *app); void nfp_tunnel_config_stop(struct nfp_app *app); int nfp_tunnel_mac_event_handler(struct nfp_app *app, struct net_device *netdev, unsigned long event, void *ptr); void nfp_tunnel_del_ipv4_off(struct nfp_app *app, __be32 ipv4); void nfp_tunnel_add_ipv4_off(struct nfp_app *app, __be32 ipv4); void nfp_tunnel_request_route(struct nfp_app *app, struct sk_buff *skb); void nfp_tunnel_keep_alive(struct nfp_app *app, struct sk_buff *skb); void nfp_flower_lag_init(struct nfp_fl_lag *lag); void nfp_flower_lag_cleanup(struct nfp_fl_lag *lag); int nfp_flower_lag_reset(struct nfp_fl_lag *lag); int nfp_flower_lag_netdev_event(struct nfp_flower_priv *priv, struct net_device *netdev, unsigned long event, void *ptr); bool nfp_flower_lag_unprocessed_msg(struct nfp_app *app, struct sk_buff *skb); int nfp_flower_lag_populate_pre_action(struct nfp_app *app, struct net_device *master, struct nfp_fl_pre_lag *pre_act, struct netlink_ext_ack *extack); int nfp_flower_lag_get_output_id(struct nfp_app *app, struct net_device *master); void nfp_flower_qos_init(struct nfp_app *app); void nfp_flower_qos_cleanup(struct nfp_app *app); int nfp_flower_setup_qos_offload(struct nfp_app *app, struct net_device *netdev, struct tc_cls_matchall_offload *flow); void nfp_flower_stats_rlim_reply(struct nfp_app *app, struct sk_buff *skb); int nfp_flower_reg_indir_block_handler(struct nfp_app *app, struct net_device *netdev, unsigned long event); void __nfp_flower_non_repr_priv_get(struct nfp_flower_non_repr_priv *non_repr_priv); struct nfp_flower_non_repr_priv * nfp_flower_non_repr_priv_get(struct nfp_app *app, struct net_device *netdev); void __nfp_flower_non_repr_priv_put(struct nfp_flower_non_repr_priv *non_repr_priv); void nfp_flower_non_repr_priv_put(struct nfp_app *app, struct net_device *netdev); u32 nfp_flower_get_port_id_from_netdev(struct nfp_app *app, struct net_device *netdev); int nfp_flower_xmit_pre_tun_flow(struct nfp_app *app, struct nfp_fl_payload *flow); int nfp_flower_xmit_pre_tun_del_flow(struct nfp_app *app, struct nfp_fl_payload *flow); #endif
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