WebApr 12, 2024 · return tcf_exts_exec(skb, &f->exts, res); } static inline int tcf_exts_exec(struct sk_buff *skb, struct tcf_exts *exts, struct tcf_result *res) { #ifdef CONFIG_NET_CLS_ACT return tcf_action_exec(skb, exts->actions, exts->nr_actions, res); #endif return TC_ACT_OK; } If tcf_exts_destroy() is called while another thread is inside tcf_action_exec ... WebWhen a clone of an SKB is made, all of the 'struct sk_buff' structure members of the clone are private to the clone. The data, however, is shared between the primary SKB and it's clone. When an SKB is cloned, the 'cloned' field will be set in both the primary and clone SKB. Otherwise is will be zero.
sk_buff数据结构详解 - 知乎 - 知乎专栏
WebFrom: Simon Horman To: Julian Anastasov Cc: Pablo Neira Ayuso , Jozsef Kadlecsik , Florian Westphal , [email protected], "David S. Miller" , David Ahern , Eric Dumazet , Jakub … WebAug 28, 2015 · ###1. struct sk_buff. sk_buff是Linux网络代码中最重要的结构体之一。它是Linux在其协议栈里传送的结构体,也就是所谓的“包”,在其中包含了各层协议的头部的指 … filthy fifty crossfit wod
驾驭Linux内部网络实现——关键数据结构 sk_buff - 知乎
Webstruct sk_buff. 一个封包就存在这里,所有网络分层会使用这个结构来储存其报头、有关用户数据的信息,以及用来协调其工作的其他内部信息。 struct net_device. 每种网络设备都用这个数据结构表示,包括软硬件的配置信息 … 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 … Ethernet Bridging - struct sk_buff — The Linux Kernel documentation On the receive side if the device handled decryption and authentication … Netfilter Conntrack Sysfs Variables - struct sk_buff — The Linux Kernel documentation 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; … WebAug 15, 2024 · For struct __sk_buff, eBPF verifier converts it to struct sk_buff transparently when you load your eBPF program, this is why there is no difference for eBPF programmers. eBPF programs only see ... grpn marketwatch