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- .. SPDX-License-Identifier: GPL-2.0
- .. Copyright (C) 2023 Google LLC
- ===========================================
- net_device struct fast path usage breakdown
- ===========================================
- Type Name fastpath_tx_access fastpath_rx_access Comments
- ..struct ..net_device
- unsigned_long:32 priv_flags read_mostly - __dev_queue_xmit(tx)
- unsigned_long:1 lltx read_mostly - HARD_TX_LOCK,HARD_TX_TRYLOCK,HARD_TX_UNLOCK(tx)
- char name[16] - -
- struct_netdev_name_node* name_node
- struct_dev_ifalias* ifalias
- unsigned_long mem_end
- unsigned_long mem_start
- unsigned_long base_addr
- unsigned_long state read_mostly read_mostly netif_running(dev)
- struct_list_head dev_list
- struct_list_head napi_list
- struct_list_head unreg_list
- struct_list_head close_list
- struct_list_head ptype_all read_mostly - dev_nit_active(tx)
- struct_list_head ptype_specific read_mostly deliver_ptype_list_skb/__netif_receive_skb_core(rx)
- struct adj_list
- unsigned_int flags read_mostly read_mostly __dev_queue_xmit,__dev_xmit_skb,ip6_output,__ip6_finish_output(tx);ip6_rcv_core(rx)
- xdp_features_t xdp_features
- struct_net_device_ops* netdev_ops read_mostly - netdev_core_pick_tx,netdev_start_xmit(tx)
- struct_xdp_metadata_ops* xdp_metadata_ops
- int ifindex - read_mostly ip6_rcv_core
- unsigned_short gflags
- unsigned_short hard_header_len read_mostly read_mostly ip6_xmit(tx);gro_list_prepare(rx)
- unsigned_int mtu read_mostly - ip_finish_output2
- unsigned_short needed_headroom read_mostly - LL_RESERVED_SPACE/ip_finish_output2
- unsigned_short needed_tailroom
- netdev_features_t features read_mostly read_mostly HARD_TX_LOCK,netif_skb_features,sk_setup_caps(tx);netif_elide_gro(rx)
- netdev_features_t hw_features
- netdev_features_t wanted_features
- netdev_features_t vlan_features
- netdev_features_t hw_enc_features - - netif_skb_features
- netdev_features_t mpls_features
- netdev_features_t gso_partial_features read_mostly gso_features_check
- unsigned_int min_mtu
- unsigned_int max_mtu
- unsigned_short type
- unsigned_char min_header_len
- unsigned_char name_assign_type
- int group
- struct_net_device_stats stats
- struct_net_device_core_stats* core_stats
- atomic_t carrier_up_count
- atomic_t carrier_down_count
- struct_iw_handler_def* wireless_handlers
- struct_iw_public_data* wireless_data
- struct_ethtool_ops* ethtool_ops
- struct_l3mdev_ops* l3mdev_ops
- struct_ndisc_ops* ndisc_ops
- struct_xfrmdev_ops* xfrmdev_ops
- struct_tlsdev_ops* tlsdev_ops
- struct_header_ops* header_ops read_mostly - ip_finish_output2,ip6_finish_output2(tx)
- unsigned_char operstate
- unsigned_char link_mode
- unsigned_char if_port
- unsigned_char dma
- unsigned_char perm_addr[32]
- unsigned_char addr_assign_type
- unsigned_char addr_len
- unsigned_char upper_level
- unsigned_char lower_level
- unsigned_short neigh_priv_len
- unsigned_short padded
- unsigned_short dev_id
- unsigned_short dev_port
- spinlock_t addr_list_lock
- int irq
- struct_netdev_hw_addr_list uc
- struct_netdev_hw_addr_list mc
- struct_netdev_hw_addr_list dev_addrs
- struct_kset* queues_kset
- struct_list_head unlink_list
- unsigned_int promiscuity
- unsigned_int allmulti
- bool uc_promisc
- unsigned_char nested_level
- struct_in_device* ip_ptr read_mostly read_mostly __in_dev_get
- struct_inet6_dev* ip6_ptr read_mostly read_mostly __in6_dev_get
- struct_vlan_info* vlan_info
- struct_dsa_port* dsa_ptr
- struct_tipc_bearer* tipc_ptr
- void* atalk_ptr
- void* ax25_ptr
- struct_wireless_dev* ieee80211_ptr
- struct_wpan_dev* ieee802154_ptr
- struct_mpls_dev* mpls_ptr
- struct_mctp_dev* mctp_ptr
- unsigned_char* dev_addr
- struct_netdev_queue* _rx read_mostly - netdev_get_rx_queue(rx)
- unsigned_int num_rx_queues
- unsigned_int real_num_rx_queues - read_mostly get_rps_cpu
- struct_bpf_prog* xdp_prog - read_mostly netif_elide_gro()
- unsigned_long gro_flush_timeout - read_mostly napi_complete_done
- u32 napi_defer_hard_irqs - read_mostly napi_complete_done
- unsigned_int gro_max_size - read_mostly skb_gro_receive
- unsigned_int gro_ipv4_max_size - read_mostly skb_gro_receive
- rx_handler_func_t* rx_handler read_mostly - __netif_receive_skb_core
- void* rx_handler_data read_mostly -
- struct_netdev_queue* ingress_queue read_mostly -
- struct_bpf_mprog_entry tcx_ingress - read_mostly sch_handle_ingress
- struct_nf_hook_entries* nf_hooks_ingress
- unsigned_char broadcast[32]
- struct_cpu_rmap* rx_cpu_rmap
- struct_hlist_node index_hlist
- struct_netdev_queue* _tx read_mostly - netdev_get_tx_queue(tx)
- unsigned_int num_tx_queues - -
- unsigned_int real_num_tx_queues read_mostly - skb_tx_hash,netdev_core_pick_tx(tx)
- unsigned_int tx_queue_len
- spinlock_t tx_global_lock
- struct_xdp_dev_bulk_queue__percpu* xdp_bulkq
- struct_xps_dev_maps* xps_maps[2] read_mostly - __netif_set_xps_queue
- struct_bpf_mprog_entry tcx_egress read_mostly - sch_handle_egress
- struct_nf_hook_entries* nf_hooks_egress read_mostly -
- struct_hlist_head qdisc_hash[16]
- struct_timer_list watchdog_timer
- int watchdog_timeo
- u32 proto_down_reason
- struct_list_head todo_list
- int__percpu* pcpu_refcnt
- refcount_t dev_refcnt
- struct_ref_tracker_dir refcnt_tracker
- struct_list_head link_watch_list
- enum:8 reg_state
- bool dismantle
- enum:16 rtnl_link_state
- bool needs_free_netdev
- void*priv_destructor struct_net_device
- struct_netpoll_info* npinfo - read_mostly napi_poll/napi_poll_lock
- possible_net_t nd_net - read_mostly (dev_net)napi_busy_loop,tcp_v(4/6)_rcv,ip(v6)_rcv,ip(6)_input,ip(6)_input_finish
- void* ml_priv
- enum_netdev_ml_priv_type ml_priv_type
- struct_pcpu_lstats__percpu* lstats read_mostly dev_lstats_add()
- struct_pcpu_sw_netstats__percpu* tstats read_mostly dev_sw_netstats_tx_add()
- struct_pcpu_dstats__percpu* dstats
- struct_garp_port* garp_port
- struct_mrp_port* mrp_port
- struct_dm_hw_stat_delta* dm_private
- struct_device dev - -
- struct_attribute_group* sysfs_groups[4]
- struct_attribute_group* sysfs_rx_queue_group
- struct_rtnl_link_ops* rtnl_link_ops
- unsigned_int gso_max_size read_mostly - sk_dst_gso_max_size
- unsigned_int tso_max_size
- u16 gso_max_segs read_mostly - gso_max_segs
- u16 tso_max_segs
- unsigned_int gso_ipv4_max_size read_mostly - sk_dst_gso_max_size
- struct_dcbnl_rtnl_ops* dcbnl_ops
- s16 num_tc read_mostly - skb_tx_hash
- struct_netdev_tc_txq tc_to_txq[16] read_mostly - skb_tx_hash
- u8 prio_tc_map[16]
- unsigned_int fcoe_ddp_xid
- struct_netprio_map* priomap
- struct_phy_device* phydev
- struct_sfp_bus* sfp_bus
- struct_lock_class_key* qdisc_tx_busylock
- bool proto_down
- unsigned:1 wol_enabled
- unsigned:1 threaded - - napi_poll(napi_enable,dev_set_threaded)
- unsigned_long:1 see_all_hwtstamp_requests
- unsigned_long:1 change_proto_down
- unsigned_long:1 netns_local
- unsigned_long:1 fcoe_mtu
- struct_list_head net_notifier_list
- struct_macsec_ops* macsec_ops
- struct_udp_tunnel_nic_info* udp_tunnel_nic_info
- struct_udp_tunnel_nic* udp_tunnel_nic
- unsigned_int xdp_zc_max_segs
- struct_bpf_xdp_entity xdp_state[3]
- u8 dev_addr_shadow[32]
- netdevice_tracker linkwatch_dev_tracker
- netdevice_tracker watchdog_dev_tracker
- netdevice_tracker dev_registered_tracker
- struct_rtnl_hw_stats64* offload_xstats_l3
- struct_devlink_port* devlink_port
- struct_dpll_pin* dpll_pin
- struct hlist_head page_pools
- struct dim_irq_moder* irq_moder
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