packet interface on device level NAME packet - packet interface on device level SYNOPSIS #includ......icasting implementation conforming to RFC 1112. It also contains an IP router including a packet filter. The programming interface is BSD-sockets compatible. For more informatio…...am not including link level headers. The IPv4 layer generates an IP header when sending a packet unless the IP_HDRINCL socket option is enabled on the socket. When it is enabled…...th v4 and v6 versions. TCP guarantees that the data arrives in order and retransmits lost packets. It generates and checks a per-packet checksum to catch transmission errors. TC…...yers. The kernel ICMP module also answers ICMP requests. A user protocol may receive ICMP packets for all local sockets by opening a raw socket with the protocol IPPROTO_ICMP . …...tagram Protocol described in RFC 768. It implements a connectionless, unreliable datagram packet service. Packets may be reordered or duplicated before they arrive. UDP generate…...The protocol modules are grouped into protocol families such as AF_INET , AF_IPX , and AF_PACKET , and socket types such as SOCK_STREAM or SOCK_DGRAM . See socket (2) for more i…...e C library. IPv4 and IPv6 share the local port space. When you get an IPv4 connection or packet to an IPv6 socket, its source address will be mapped to v6. Address format struc…...Service Curve HISTORY & INTRODUCTION HFSC (Hierarchical Fair Service Curve) is a network packet scheduling algorithm that was first presented at SIGCOMM'97. Developed as a part …...NOPSIS #include <sys/socket.h> #include <linux/x25.h> x25_socket = socket(AF_X25, SOCK_SEQPACKET, 0); DESCRIPTION X25 sockets provide an interface to the X.25 packet layer proto…...s function is that of a traffic filter: when enabled, it instructs the kernel to drop all packets which have a coverage less than the specified coverage value. When the value of…...ctions NAME BPF-HELPERS - list of eBPF helper functions DESCRIPTION The extended Berkeley Packet Filter (eBPF) subsystem consists in programs written in a pseudo-assembly langua…...P addresses, link parameters, neighbor setups, queueing disciplines, traffic classes, and packet classifiers (see rtnetlink (7)). NETLINK_W1 (Linux 2.6.13 to Linux 2.16.17) Mess…...l protocols. AF_APPLETALK AppleTalk For further information, see ddp (7). AF_NETROM AX.25 packet layer protocol. For further information, see netrom (4), The Packet Radio Protoc…...d it provides a service for other protocols in the kernel. A user process can receive ARP packets by using packet (7) sockets. There is also a mechanism for managing the ARP cac…...streams with guaranteed, in-order delivery. SOCK_DGRAM provides a connectionless datagram packet service with best-effort delivery and best-effort ordering. Availability of thes…...romiscuous mode. IFF_NOTRAILERS Avoid use of trailers. IFF_ALLMULTI Receive all multicast packets. IFF_MASTER Master of a load balancing bundle. IFF_SLAVE Slave of a load balanc…...IP addresses, link parameters, neighbor setups, queueing disciplines, traffic classes and packet classifiers may all be controlled through NETLINK_ROUTE sockets. It is based on …...(1), unbuffer (1), and expect (1). A description of the TIOCPKT ioctl (2), which controls packet mode operation, can be found in ioctl_tty (2). The BSD ioctl (2) operations TIOC…...both request and response) must consist of zero or more PKT-LINEs, terminating in a flush packet. Response messages will then have a response end packet after the flush packet t…