WebUse skb_hwtstamps()to get a pointer. struct sk_buff¶ socket buffer Definition struct sk_buff { union {unnamed_union}; __u16 inner_transport_header; __u16 inner_network_header; __u16 inner_mac_header; __be16 protocol; __u16 transport_header; __u16 network_header; __u16 mac_header; sk_buff_data_t tail; sk_buff_data_t end; WebEnqueing the packet As seen below a device must provide a struct Qdisc, but the struct Qdisc may or may not provide an enqueue() function. If an enqueue() function has been provided by the device, it is invoked and passed pointer to the sk_buff and Qdisc structures. For generic ethernet drivers q>enqueue points
Networking — The Linux Kernel documentation - GitHub Pages
Web/* include/linux/skbuff.h */ struct sk_buff_head {/* These two members must be first. */ struct sk_buff * next; struct sk_buff * prev; __u32 qlen; spinlock_t lock;}; struct sk_buff {/* … Web/* These two members must be first to match sk_buff_head. */ 839: struct sk_buff *next; 840: struct sk_buff *prev; 841: 842: union {843: struct net_device *dev; 844 /* Some protocols might use this space to store information, 845 * while device pointer would be NULL. 846 * UDP receive path is one user. 847 */ 848: traskija uab
4.1 Socket Buffers Linux Network Architecture
WebAll the data is held in associated buffers. *. * &sk_buff.head points to the main "head" buffer. The head buffer is divided. * into two parts: *. * - data buffer, containing headers and … WebNetdev Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH v2] skbuff: fix a data race in skb_queue_len() @ 2024-02-04 16:15 Qian Cai 2024-02-04 17:22 ` Eric Dumazet 0 siblings, 1 reply; 2+ messages in thread From: Qian Cai @ 2024-02-04 16:15 UTC (permalink / raw) To: davem; +Cc: kuba, elver, netdev, linux-kernel, Qian Cai sk_buff.qlen … Webstruct sk_buff¶ sk_buff is the main networking structure representing a packet. Basic sk_buff geometry¶ struct sk_buff itself is a metadata structure and does not hold any … An l3mdev FIB rule directs lookups to the table associated with the device. A single … The struct can_frame or struct canfd_frame is the payload of each socket buffer … The network and address fields of addr define the remote address to send to. If … struct sk_buff; SMC Sysctl; Interface statistics; Stream Parser (strparser) … On the receive side if the device handled decryption and authentication … struct sk_buff; SMC Sysctl; Interface statistics; Stream Parser (strparser) … phydev is a pointer to the phy_device structure which represents the PHY. If … Current IPComp implementation is indeed by the book, while as in practice when … Development tools for the kernel¶. This document is a collection of documents … Linux Tracing Technologies¶. Function Tracer Design. Introduction; … trask ulgo