patch-2.4.22 linux-2.4.22/include/linux/igmp.h
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- Lines: 162
- Date:
2003-08-25 04:44:44.000000000 -0700
- Orig file:
linux-2.4.21/include/linux/igmp.h
- Orig date:
2002-11-28 15:53:15.000000000 -0800
diff -urN linux-2.4.21/include/linux/igmp.h linux-2.4.22/include/linux/igmp.h
@@ -16,6 +16,8 @@
#ifndef _LINUX_IGMP_H
#define _LINUX_IGMP_H
+#include <asm/byteorder.h>
+
/*
* IGMP protocol structures
*/
@@ -32,13 +34,60 @@
__u32 group;
};
+/* V3 group record types [grec_type] */
+#define IGMPV3_MODE_IS_INCLUDE 1
+#define IGMPV3_MODE_IS_EXCLUDE 2
+#define IGMPV3_CHANGE_TO_INCLUDE 3
+#define IGMPV3_CHANGE_TO_EXCLUDE 4
+#define IGMPV3_ALLOW_NEW_SOURCES 5
+#define IGMPV3_BLOCK_OLD_SOURCES 6
+
+struct igmpv3_grec {
+ __u8 grec_type;
+ __u8 grec_auxwords;
+ __u16 grec_nsrcs;
+ __u32 grec_mca;
+ __u32 grec_src[0];
+};
+
+struct igmpv3_report {
+ __u8 type;
+ __u8 resv1;
+ __u16 csum;
+ __u16 resv2;
+ __u16 ngrec;
+ struct igmpv3_grec grec[0];
+};
+
+struct igmpv3_query {
+ __u8 type;
+ __u8 code;
+ __u16 csum;
+ __u32 group;
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+ __u8 qrv:3,
+ suppress:1,
+ resv:4;
+#elif defined(__BIG_ENDIAN_BITFIELD)
+ __u8 resv:4,
+ suppress:1,
+ qrv:3;
+#else
+#error "Please fix <asm/byteorder.h>"
+#endif
+ __u8 qqic;
+ __u16 nsrcs;
+ __u32 srcs[0];
+};
+
#define IGMP_HOST_MEMBERSHIP_QUERY 0x11 /* From RFC1112 */
#define IGMP_HOST_MEMBERSHIP_REPORT 0x12 /* Ditto */
#define IGMP_DVMRP 0x13 /* DVMRP routing */
#define IGMP_PIM 0x14 /* PIM routing */
#define IGMP_TRACE 0x15
-#define IGMP_HOST_NEW_MEMBERSHIP_REPORT 0x16 /* New version of 0x11 */
+#define IGMPV2_HOST_MEMBERSHIP_REPORT 0x16 /* V2 version of 0x11 */
#define IGMP_HOST_LEAVE_MESSAGE 0x17
+#define IGMPV3_HOST_MEMBERSHIP_REPORT 0x22 /* V3 version of 0x11 */
#define IGMP_MTRACE_RESP 0x1e
#define IGMP_MTRACE 0x1f
@@ -68,6 +117,7 @@
#define IGMP_ALL_HOSTS htonl(0xE0000001L)
#define IGMP_ALL_ROUTER htonl(0xE0000002L)
+#define IGMPV3_ALL_MCR htonl(0xE0000016L)
#define IGMP_LOCAL_GROUP htonl(0xE0000000L)
#define IGMP_LOCAL_GROUP_MASK htonl(0xFFFFFF00L)
@@ -77,6 +127,18 @@
#ifdef __KERNEL__
+struct ip_sf_socklist
+{
+ unsigned int sl_max;
+ unsigned int sl_count;
+ __u32 sl_addr[0];
+};
+
+#define IP_SFLSIZE(count) (sizeof(struct ip_sf_socklist) + \
+ (count) * sizeof(__u32))
+
+#define IP_SFBLOCK 10 /* allocate this many at once */
+
/* ip_mc_socklist is real list now. Speed is not argument;
this list never used in fast path code
*/
@@ -86,12 +148,28 @@
struct ip_mc_socklist *next;
int count;
struct ip_mreqn multi;
+ unsigned int sfmode; /* MCAST_{INCLUDE,EXCLUDE} */
+ struct ip_sf_socklist *sflist;
+};
+
+struct ip_sf_list
+{
+ struct ip_sf_list *sf_next;
+ __u32 sf_inaddr;
+ unsigned long sf_count[2]; /* include/exclude counts */
+ unsigned char sf_gsresp; /* include in g & s response? */
+ unsigned char sf_oldin; /* change state */
+ unsigned char sf_crcount; /* retrans. left to send */
};
struct ip_mc_list
{
struct in_device *interface;
unsigned long multiaddr;
+ struct ip_sf_list *sources;
+ struct ip_sf_list *tomb;
+ unsigned int sfmode;
+ unsigned long sfcount[2];
struct ip_mc_list *next;
struct timer_list timer;
int users;
@@ -101,13 +179,33 @@
char reporter;
char unsolicit_count;
char loaded;
+ unsigned char gsquery; /* check source marks? */
+ unsigned char crcount;
};
-extern int ip_check_mc(struct in_device *dev, u32 mc_addr);
+/* V3 exponential field decoding */
+#define IGMPV3_MASK(value, nb) ((nb)>=32 ? (value) : ((1<<(nb))-1) & (value))
+#define IGMPV3_EXP(thresh, nbmant, nbexp, value) \
+ ((value) < (thresh) ? (value) : \
+ ((IGMPV3_MASK(value, nbmant) | (1<<(nbmant+nbexp))) << \
+ (IGMPV3_MASK((value) >> (nbmant), nbexp) + (nbexp))))
+
+#define IGMPV3_QQIC(value) IGMPV3_EXP(0x80, 4, 3, value)
+#define IGMPV3_MRC(value) IGMPV3_EXP(0x80, 4, 3, value)
+
+extern int ip_check_mc(struct in_device *dev, u32 mc_addr, u32 src_addr);
extern int igmp_rcv(struct sk_buff *);
extern int ip_mc_join_group(struct sock *sk, struct ip_mreqn *imr);
extern int ip_mc_leave_group(struct sock *sk, struct ip_mreqn *imr);
extern void ip_mc_drop_socket(struct sock *sk);
+extern int ip_mc_source(int add, int omode, struct sock *sk,
+ struct ip_mreq_source *mreqs, int ifindex);
+extern int ip_mc_msfilter(struct sock *sk, struct ip_msfilter *msf,int ifindex);
+extern int ip_mc_msfget(struct sock *sk, struct ip_msfilter *msf,
+ struct ip_msfilter *optval, int *optlen);
+extern int ip_mc_gsfget(struct sock *sk, struct group_filter *gsf,
+ struct group_filter *optval, int *optlen);
+extern int ip_mc_sf_allow(struct sock *sk, u32 local, u32 rmt, int dif);
extern void ip_mr_init(void);
extern void ip_mc_init_dev(struct in_device *);
extern void ip_mc_destroy_dev(struct in_device *);
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