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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-17 02:20:36 +0400
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-17 02:20:36 +0400
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /include/linux/udp.h
downloadlinux-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.tar.xz
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
Diffstat (limited to 'include/linux/udp.h')
-rw-r--r--include/linux/udp.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/include/linux/udp.h b/include/linux/udp.h
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+/*
+ * 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 */