.. SPDX-License-Identifier: GPL-2.0
.. Copyright (C) 2023 Google LLC
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net_device struct fast path usage breakdown
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Type Name fastpath_tx_access fastpath_rx_access Comments
..struct ..net_device
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
unsigned_long_long priv_flags read_mostly - __dev_queue_xmit(tx)
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
int 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)
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
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