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Diffstat (limited to 'man5/proc_pid_net.5')
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diff --git a/man5/proc_pid_net.5 b/man5/proc_pid_net.5 deleted file mode 100644 index 29de0b682..000000000 --- a/man5/proc_pid_net.5 +++ /dev/null @@ -1,298 +0,0 @@ -.\" Copyright (C) 1994, 1995, Daniel Quinlan <quinlan@yggdrasil.com> -.\" Copyright (C) 2002-2008, 2017, Michael Kerrisk <mtk.manpages@gmail.com> -.\" Copyright (C) , Alan Cox <A.Cox@swansea.ac.uk> -.\" Copyright (C) 2023, Alejandro Colomar <alx@kernel.org> -.\" -.\" SPDX-License-Identifier: GPL-3.0-or-later -.\" -.TH proc_pid_net 5 (date) "Linux man-pages (unreleased)" -.SH NAME -/proc/pid/net/, /proc/net/ \- network layer information -.SH DESCRIPTION -.TP -.IR /proc/ pid /net/ " (since Linux 2.6.25)" -See the description of -.IR /proc/net . -.TP -.I /proc/net/ -This directory contains various files and subdirectories containing -information about the networking layer. -The files contain ASCII structures and are, -therefore, readable with -.BR cat (1). -However, the standard -.BR netstat (8) -suite provides much cleaner access to these files. -.IP -With the advent of network namespaces, -various information relating to the network stack is virtualized (see -.BR network_namespaces (7)). -Thus, since Linux 2.6.25, -.\" commit e9720acd728a46cb40daa52c99a979f7c4ff195c -.I /proc/net -is a symbolic link to the directory -.IR /proc/self/net , -which contains the same files and directories as listed below. -However, these files and directories now expose information -for the network namespace of which the process is a member. -.TP -.I /proc/net/arp -This holds an ASCII readable dump of the kernel ARP table used for -address resolutions. -It will show both dynamically learned and preprogrammed ARP entries. -The format is: -.IP -.in +4n -.EX -IP address HW type Flags HW address Mask Device -192.168.0.50 0x1 0x2 00:50:BF:25:68:F3 * eth0 -192.168.0.250 0x1 0xc 00:00:00:00:00:00 * eth0 -.EE -.in -.IP -Here "IP address" is the IPv4 address of the machine and the "HW type" -is the hardware type of the address from RFC\ 826. -The flags are the internal -flags of the ARP structure (as defined in -.IR /usr/include/linux/if_arp.h ) -and -the "HW address" is the data link layer mapping for that IP address if -it is known. -.TP -.I /proc/net/dev -The dev pseudo-file contains network device status information. -This gives -the number of received and sent packets, the number of errors and -collisions -and other basic statistics. -These are used by the -.BR ifconfig (8) -program to report device status. -The format is: -.IP -.EX -Inter\-| Receive | Transmit - face |bytes packets errs drop fifo frame compressed multicast|bytes packets errs drop fifo colls carrier compressed - lo: 2776770 11307 0 0 0 0 0 0 2776770 11307 0 0 0 0 0 0 - eth0: 1215645 2751 0 0 0 0 0 0 1782404 4324 0 0 0 427 0 0 - ppp0: 1622270 5552 1 0 0 0 0 0 354130 5669 0 0 0 0 0 0 - tap0: 7714 81 0 0 0 0 0 0 7714 81 0 0 0 0 0 0 -.EE -.\" .TP -.\" .I /proc/net/ipx -.\" No information. -.\" .TP -.\" .I /proc/net/ipx_route -.\" No information. -.TP -.I /proc/net/dev_mcast -Defined in -.IR /usr/src/linux/net/core/dev_mcast.c : -.IP -.in +4n -.EX -indx interface_name dmi_u dmi_g dmi_address -2 eth0 1 0 01005e000001 -3 eth1 1 0 01005e000001 -4 eth2 1 0 01005e000001 -.EE -.in -.TP -.I /proc/net/igmp -Internet Group Management Protocol. -Defined in -.IR /usr/src/linux/net/core/igmp.c . -.TP -.I /proc/net/rarp -This file uses the same format as the -.I arp -file and contains the current reverse mapping database used to provide -.BR rarp (8) -reverse address lookup services. -If RARP is not configured into the -kernel, -this file will not be present. -.TP -.I /proc/net/raw -Holds a dump of the RAW socket table. -Much of the information is not of -use -apart from debugging. -The "sl" value is the kernel hash slot for the -socket, -the "local_address" is the local address and protocol number pair. -\&"St" is -the internal status of the socket. -The "tx_queue" and "rx_queue" are the -outgoing and incoming data queue in terms of kernel memory usage. -The "tr", "tm\->when", and "rexmits" fields are not used by RAW. -The "uid" -field holds the effective UID of the creator of the socket. -.\" .TP -.\" .I /proc/net/route -.\" No information, but looks similar to -.\" .BR route (8). -.TP -.I /proc/net/snmp -This file holds the ASCII data needed for the IP, ICMP, TCP, and UDP -management -information bases for an SNMP agent. -.TP -.I /proc/net/tcp -Holds a dump of the TCP socket table. -Much of the information is not -of use apart from debugging. -The "sl" value is the kernel hash slot -for the socket, the "local_address" is the local address and port number pair. -The "rem_address" is the remote address and port number pair -(if connected). -\&"St" is the internal status of the socket. -The "tx_queue" and "rx_queue" are the -outgoing and incoming data queue in terms of kernel memory usage. -The "tr", "tm\->when", and "rexmits" fields hold internal information of -the kernel socket state and are useful only for debugging. -The "uid" -field holds the effective UID of the creator of the socket. -.TP -.I /proc/net/udp -Holds a dump of the UDP socket table. -Much of the information is not of -use apart from debugging. -The "sl" value is the kernel hash slot for the -socket, the "local_address" is the local address and port number pair. -The "rem_address" is the remote address and port number pair -(if connected). -"St" is the internal status of the socket. -The "tx_queue" and "rx_queue" are the outgoing and incoming data queue -in terms of kernel memory usage. -The "tr", "tm\->when", and "rexmits" fields -are not used by UDP. -The "uid" -field holds the effective UID of the creator of the socket. -The format is: -.IP -.EX -sl local_address rem_address st tx_queue rx_queue tr rexmits tm\->when uid - 1: 01642C89:0201 0C642C89:03FF 01 00000000:00000001 01:000071BA 00000000 0 - 1: 00000000:0801 00000000:0000 0A 00000000:00000000 00:00000000 6F000100 0 - 1: 00000000:0201 00000000:0000 0A 00000000:00000000 00:00000000 00000000 0 -.EE -.TP -.I /proc/net/unix -Lists the UNIX domain sockets present within the system and their -status. -The format is: -.IP -.EX -Num RefCount Protocol Flags Type St Inode Path - 0: 00000002 00000000 00000000 0001 03 42 - 1: 00000001 00000000 00010000 0001 01 1948 /dev/printer -.EE -.IP -The fields are as follows: -.RS -.TP 10 -.IR Num : -the kernel table slot number. -.TP -.IR RefCount : -the number of users of the socket. -.TP -.IR Protocol : -currently always 0. -.TP -.IR Flags : -the internal kernel flags holding the status of the socket. -.TP -.IR Type : -the socket type. -For -.B SOCK_STREAM -sockets, this is 0001; for -.B SOCK_DGRAM -sockets, it is 0002; and for -.B SOCK_SEQPACKET -sockets, it is 0005. -.TP -.IR St : -the internal state of the socket. -.TP -.IR Inode : -the inode number of the socket. -.TP -.IR Path : -the bound pathname (if any) of the socket. -Sockets in the abstract namespace are included in the list, -and are shown with a -.I Path -that commences with the character '@'. -.RE -.TP -.I /proc/net/netfilter/nfnetlink_queue -This file contains information about netfilter user-space queueing, if used. -Each line represents a queue. -Queues that have not been subscribed to -by user space are not shown. -.IP -.in +4n -.EX - 1 4207 0 2 65535 0 0 0 1 - (1) (2) (3)(4) (5) (6) (7) (8) -.EE -.in -.IP -The fields in each line are: -.RS 7 -.TP 5 -(1) -The ID of the queue. -This matches what is specified in the -.B \-\-queue\-num -or -.B \-\-queue\-balance -options to the -.BR iptables (8) -NFQUEUE target. -See -.BR iptables\-extensions (8) -for more information. -.TP -(2) -The netlink port ID subscribed to the queue. -.TP -(3) -The number of packets currently queued and waiting to be processed by -the application. -.TP -(4) -The copy mode of the queue. -It is either 1 (metadata only) or 2 -(also copy payload data to user space). -.TP -(5) -Copy range; that is, how many bytes of packet payload should be copied to -user space at most. -.TP -(6) -queue dropped. -Number of packets that had to be dropped by the kernel because -too many packets are already waiting for user space to send back the mandatory -accept/drop verdicts. -.TP -(7) -queue user dropped. -Number of packets that were dropped within the netlink -subsystem. -Such drops usually happen when the corresponding socket buffer is -full; that is, user space is not able to read messages fast enough. -.TP -(8) -sequence number. -Every queued packet is associated with a (32-bit) -monotonically increasing sequence number. -This shows the ID of the most recent packet queued. -.RE -.IP -The last number exists only for compatibility reasons and is always 1. -.SH SEE ALSO -.BR proc (5) |