diff options
Diffstat (limited to 'include/linux/udp.h')
| -rw-r--r-- | include/linux/udp.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/include/linux/udp.h b/include/linux/udp.h new file mode 100644 index 00000000000..b60e0b4a25c --- /dev/null +++ b/include/linux/udp.h @@ -0,0 +1,63 @@ +/* + * INET An implementation of the TCP/IP protocol suite for the LINUX + * operating system. INET is implemented using the BSD Socket + * interface as the means of communication with the user level. + * + * Definitions for the UDP protocol. + * + * Version: @(#)udp.h 1.0.2 04/28/93 + * + * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#ifndef _LINUX_UDP_H +#define _LINUX_UDP_H + +#include <linux/types.h> + +struct udphdr { + __u16 source; + __u16 dest; + __u16 len; + __u16 check; +}; + +/* UDP socket options */ +#define UDP_CORK 1 /* Never send partially complete segments */ +#define UDP_ENCAP 100 /* Set the socket to accept encapsulated packets */ + +/* UDP encapsulation types */ +#define UDP_ENCAP_ESPINUDP_NON_IKE 1 /* draft-ietf-ipsec-nat-t-ike-00/01 */ +#define UDP_ENCAP_ESPINUDP 2 /* draft-ietf-ipsec-udp-encaps-06 */ + +#ifdef __KERNEL__ + +#include <linux/config.h> +#include <net/sock.h> +#include <linux/ip.h> + +struct udp_sock { + /* inet_sock has to be the first member */ + struct inet_sock inet; + int pending; /* Any pending frames ? */ + unsigned int corkflag; /* Cork is required */ + __u16 encap_type; /* Is this an Encapsulation socket? */ + /* + * Following member retains the infomation to create a UDP header + * when the socket is uncorked. + */ + __u16 len; /* total length of pending frames */ +}; + +static inline struct udp_sock *udp_sk(const struct sock *sk) +{ + return (struct udp_sock *)sk; +} + +#endif + +#endif /* _LINUX_UDP_H */ |