Documentation/networking/net_cachelines/net_device.rst
Source file repositories/reference/linux-study-clean/Documentation/networking/net_cachelines/net_device.rst
File Facts
- System
- Linux kernel
- Corpus path
Documentation/networking/net_cachelines/net_device.rst- Extension
.rst- Size
- 13039 bytes
- Lines
- 192
- Domain
- Support Tooling And Documentation
- Bucket
- Documentation
- Inferred role
- Support Tooling And Documentation: operation-table or driver-model contract
- Status
- pattern implementation candidate
Why This File Exists
Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.
- Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.
- Defines an operation table; this is where Linux turns generic core objects into subsystem-specific behavior.
- Uses kernel synchronization; read lock ordering, sleepability, and interrupt context assumptions before translating.
- Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.
Dependency Surface
- No C-style include directives detected by the generator.
Detected Declarations
- No top-level syscall, struct, function, initcall, or export declaration detected by the generator.
Annotated Snippet
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 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
u8 threaded napi_poll(napi_enable,netif_set_threaded)
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 hlist_head fib_nh_head
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
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_queuesAnnotation
- Atlas domain: Support Tooling And Documentation / Documentation.
- Implementation status: pattern implementation candidate.
- Synchronization appears in or near this file; preserve lock ordering, sleepability, and interrupt-context constraints.
Implementation Notes
- This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
- Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
- Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.