Struct sk_buff 头文件
WebJul 19, 2016 · sk_buff. All network-related queues and buffers in the kernel use a common data structure, struct sk_buff. This is a large struct containing all the control information required for the packet (datagram, cell, whatever). The sk_buff elements are organized as a doubly linked list, in such a way that it is very efficient to move an sk_buff ... Web当函数不仅需要修改sk_buff结构的内容,而且也需要修改数据时,就必须连数据区块一起克隆。. 这样有两种选择:. 第一种:知道需要修改介于skb_start和skb_end的区域的数据内容,可以使用pskb_cope只拷贝该区 …
Struct sk_buff 头文件
Did you know?
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 sometimes payload; * this is the part of the skb operated on by the common helpers. * such as skb_put () or skb_pull (); WebMay 16, 2024 · sk_buff组织结构 struct sk_buff *next; struct sk_buff *prev 这两个成员很好理解,就是sk_buff是以双向链表来组织的. 为了快速地从整个链表的头部找到每个sk_buff,在第一个sk_buff前面会插入一个辅助的头结点:
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 packet data. All the data is held in associated buffers. sk_buff.head points to the main “head” buffer. The head buffer is divided into two parts: WebMay 15, 2024 · sk_buff是Linux网络中最核心的结构体,它用来管理和控制接收或发送数据包的信息。. 各层协议都依赖于sk_buff而存在。. 内核中sk_buff结构体在各层协议之间传输 …
Webstruct sk_buff可能是linux网络代码中最重要的数据结构,它表示接收或发送数据包的包头信息,并包含很多成员变量供网络代码中的各子系统使用。. 这个结构被网络的不同层 (MAC或者其他二层链路协议,三层的IP,四层的TCP或UDP等)使用,并且其中的成员变量在结构 ... Webconst struct sk_buff_head *list_ list to peek at. Peek an sk_buff. Unlike most other operations you _MUST_ be careful with this one. A peek leaves the buffer on the list and someone else may run off with it. You must hold the appropriate locks or have a private queue to do this. Returns NULL for an empty list or a pointer to the head element ...
WebIt will be set to the current chain by tc * and read by ovs to recirc_id. */ struct tc_skb_ext {__u32 chain; __u16 mru; __u16 zone; u8 post_ct: 1; u8 post_ct_snat: 1; u8 post_ct_dnat: 1;}; #endif struct sk_buff_head {/* These two members must be first to match sk_buff. */ struct_group_tagged (sk_buff_list, list, struct sk_buff * next; struct sk ...
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; … petco in yonkers nypetco issaquah grooming hoursWebMar 18, 2024 · Linux协议栈(4)——sk_buff及代码 Linux内核网络中最终要的两个数据结构是sk_buff和net_device。本章介绍sk_buff结构体。 sk_buff结构可能是网络代码中最重要的数据结构。 petco itch relief chewsWebstruct sk_buff可能是linux网络代码中最重要的数据结构,它表示接收或发送数据包的包头信息,并包含很多成员变量供网络代码中的各子系统使用。. 这个结构被网络的不同层 … starches are to monomers as polymers are toWebAug 30, 2015 · EDIT2: So I am giving this function the original sk_buff caught by net_filter and the appropriate net_device I tried to follow what you said and read a little guide about the functions for the sK_buff. Still, when I dev_queue_xmit() the returned sk_buff of this function, I get a complete kernel crash. petco jackson michiganWebFrom: Simon Horman To: Julian Anastasov Cc: Pablo Neira Ayuso , Jozsef Kadlecsik , Florian Westphal , [email protected], "David S. Miller" , David Ahern , Eric Dumazet , Jakub … petco jackson ca hoursWebMay 8, 2014 · So, vlan_proto is also stored as network order because it is from/to network. TCI (the information to store in vlan_tci) is also part of network 802.1q packet, it has 2 bytes (octets). But in processing of network fields, it is converted to host format by vlan_untag () in net/8021q/vlan_core.c: 118 struct sk_buff *vlan_untag (struct sk_buff ... starches biology definition