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Diffstat (limited to 'include/uapi/linux/in.h')
-rw-r--r--include/uapi/linux/in.h35
1 files changed, 28 insertions, 7 deletions
diff --git a/include/uapi/linux/in.h b/include/uapi/linux/in.h
index 8533bf07450f..07a4cb149305 100644
--- a/include/uapi/linux/in.h
+++ b/include/uapi/linux/in.h
@@ -20,6 +20,7 @@
#define _UAPI_LINUX_IN_H
#include <linux/types.h>
+#include <linux/stddef.h>
#include <linux/libc-compat.h>
#include <linux/socket.h>
@@ -68,6 +69,8 @@ enum {
#define IPPROTO_PIM IPPROTO_PIM
IPPROTO_COMP = 108, /* Compression Header Protocol */
#define IPPROTO_COMP IPPROTO_COMP
+ IPPROTO_L2TP = 115, /* Layer 2 Tunnelling Protocol */
+#define IPPROTO_L2TP IPPROTO_L2TP
IPPROTO_SCTP = 132, /* Stream Control Transport Protocol */
#define IPPROTO_SCTP IPPROTO_SCTP
IPPROTO_UDPLITE = 136, /* UDP-Lite (RFC 3828) */
@@ -123,6 +126,7 @@ struct in_addr {
#define IP_CHECKSUM 23
#define IP_BIND_ADDRESS_NO_PORT 24
#define IP_RECVFRAGSIZE 25
+#define IP_RECVERR_RFC4884 26
/* IP_MTU_DISCOVER values */
#define IP_PMTUDISC_DONT 0 /* Never send DF frames */
@@ -134,7 +138,7 @@ struct in_addr {
* this socket to prevent accepting spoofed ones.
*/
#define IP_PMTUDISC_INTERFACE 4
-/* weaker version of IP_PMTUDISC_INTERFACE, which allos packets to get
+/* weaker version of IP_PMTUDISC_INTERFACE, which allows packets to get
* fragmented if they exeed the interface mtu
*/
#define IP_PMTUDISC_OMIT 5
@@ -191,7 +195,10 @@ struct ip_msfilter {
__be32 imsf_interface;
__u32 imsf_fmode;
__u32 imsf_numsrc;
- __be32 imsf_slist[1];
+ union {
+ __be32 imsf_slist[1];
+ __DECLARE_FLEX_ARRAY(__be32, imsf_slist_flex);
+ };
};
#define IP_MSFILTER_SIZE(numsrc) \
@@ -210,11 +217,22 @@ struct group_source_req {
};
struct group_filter {
- __u32 gf_interface; /* interface index */
- struct __kernel_sockaddr_storage gf_group; /* multicast address */
- __u32 gf_fmode; /* filter mode */
- __u32 gf_numsrc; /* number of sources */
- struct __kernel_sockaddr_storage gf_slist[1]; /* interface index */
+ union {
+ struct {
+ __u32 gf_interface_aux; /* interface index */
+ struct __kernel_sockaddr_storage gf_group_aux; /* multicast address */
+ __u32 gf_fmode_aux; /* filter mode */
+ __u32 gf_numsrc_aux; /* number of sources */
+ struct __kernel_sockaddr_storage gf_slist[1]; /* interface index */
+ };
+ struct {
+ __u32 gf_interface; /* interface index */
+ struct __kernel_sockaddr_storage gf_group; /* multicast address */
+ __u32 gf_fmode; /* filter mode */
+ __u32 gf_numsrc; /* number of sources */
+ struct __kernel_sockaddr_storage gf_slist_flex[]; /* interface index */
+ };
+ };
};
#define GROUP_FILTER_SIZE(numsrc) \
@@ -288,6 +306,9 @@ struct sockaddr_in {
/* Address indicating an error return. */
#define INADDR_NONE ((unsigned long int) 0xffffffff)
+/* Dummy address for src of ICMP replies if no real address is set (RFC7600). */
+#define INADDR_DUMMY ((unsigned long int) 0xc0000008)
+
/* Network number for local host loopback. */
#define IN_LOOPBACKNET 127