diff options
Diffstat (limited to 'man7/raw.7')
| -rw-r--r-- | man7/raw.7 | 41 |
1 files changed, 21 insertions, 20 deletions
diff --git a/man7/raw.7 b/man7/raw.7 index 12ccd8fdf..deb8fd8df 100644 --- a/man7/raw.7 +++ b/man7/raw.7 @@ -38,7 +38,7 @@ see the IANA list of assigned protocol numbers at .UR http://www.iana.org/assignments/protocol\-numbers/ .UE and -.BR getprotobyname (3). +.MR getprotobyname 3 . .P A protocol of .B IPPROTO_RAW @@ -75,9 +75,9 @@ are ignored. If .B IP_HDRINCL isn't set, then IP header options can be set on raw sockets with -.BR setsockopt (2); +.MR setsockopt 2 ; see -.BR ip (7) +.MR ip 7 for more information. .P Starting with Linux 2.2, all IP header fields and options can be set using @@ -90,13 +90,14 @@ been bound to its protocol before it is passed to other protocol handlers (e.g., kernel protocol modules). .SS Address format For sending and receiving datagrams -.RB ( sendto (2), -.BR recvfrom (2), +\%(\c +.MR sendto 2 , +.MR recvfrom 2 , and similar), raw sockets use the standard .I sockaddr_in address structure defined in -.BR ip (7). +.MR ip 7 . The .I sin_port field could be used to specify the IP protocol number, @@ -108,9 +109,9 @@ For incoming packets, is set to zero. .SS Socket options Raw socket options can be set with -.BR setsockopt (2) +.MR setsockopt 2 and read with -.BR getsockopt (2) +.MR getsockopt 2 by passing the .B IPPROTO_RAW .\" Or SOL_RAW on Linux @@ -125,7 +126,7 @@ should be filtered out. The default is to filter no ICMP messages. .P In addition, all -.BR ip (7) +.MR ip 7 .B IPPROTO_IP socket options valid for datagram sockets are supported. .SS Error handling @@ -196,7 +197,7 @@ Path MTU discovery can be also turned off using the socket option or the .I /proc/sys/net/ipv4/ip_no_pmtu_disc file, see -.BR ip (7) +.MR ip 7 for details. When turned off, raw sockets will fragment outgoing packets that exceed the interface MTU. @@ -204,19 +205,19 @@ However, disabling it is not recommended for performance and reliability reasons. .P A raw socket can be bound to a specific local address using the -.BR bind (2) +.MR bind 2 call. If it isn't bound, all packets with the specified IP protocol are received. In addition, a raw socket can be bound to a specific network device using .BR SO_BINDTODEVICE ; see -.BR socket (7). +.MR socket 7 . .P An .B IPPROTO_RAW socket is send only. If you really want to receive all IP packets, use a -.BR packet (7) +.MR packet 7 socket with the .B ETH_P_IP protocol. @@ -227,7 +228,7 @@ If you want to receive all ICMP packets for a datagram socket, it is often better to use .B IP_RECVERR on that particular socket; see -.BR ip (7). +.MR ip 7 . .P Raw sockets may tap all IP protocols in Linux, even protocols like ICMP or TCP which have a protocol module in the kernel. @@ -262,16 +263,16 @@ Setting the IP protocol for sending in got lost in Linux 2.2. The protocol that the socket was bound to or that was specified in the initial -.BR socket (2) +.MR socket 2 call is always used. .\" .SH AUTHORS .\" This man page was written by Andi Kleen. .SH SEE ALSO -.BR recvmsg (2), -.BR sendmsg (2), -.BR capabilities (7), -.BR ip (7), -.BR socket (7) +.MR recvmsg 2 , +.MR sendmsg 2 , +.MR capabilities 7 , +.MR ip 7 , +.MR socket 7 .P .B RFC\ 1191 for path MTU discovery. |