The stuff in the "linux-include" directory is no longer needed, as we no

[tcpdump] / dhcp6.h

diff --git a/dhcp6.h b/dhcp6.h
index 161796f9ab249ecc79f82d6965b03516bc3af6d7..e2d49c9f66a0d4b62e8ee2c49e67f1d4f58d64d7 100644 (file)
--- a/dhcp6.h
+++ b/dhcp6.h
@@ -27,7 +27,7 @@
  * SUCH DAMAGE.
  */
 /*
- * draft-ietf-dhc-dhcpv6-14
+ * draft-ietf-dhc-dhcpv6-15
  */
 
 #ifndef __DHCP6_H_DEFINED
@@ -79,20 +79,27 @@ struct dhcp6_solicit {
        u_int8_t dh6sol_msgtype;                /* DH6_SOLICIT */
        u_int8_t dh6sol_flags;
 #define DH6SOL_CLOSE   0x80
-       u_int8_t dh6sol_pad;
-       u_int8_t dh6sol_prefixsiz;      /* prefix-size */
+#define DH6SOL_PREFIX  0x40
+       /* XXX: solicit-ID is a 9-bit field...ugly! */
+#define DH6SOL_SOLICIT_ID_MASK 0x01ff
+#define DH6SOL_SOLICIT_ID_SHIFT 0
+#define DH6SOL_SOLICIT_ID(x) \
+    (((x) & DH6SOL_SOLICIT_ID_MASK) >> DH6SOL_SOLICIT_ID_SHIFT)
+#define DH6SOL_SOLICIT_PLEN_MASK 0xfe00
+#define DH6SOL_SOLICIT_PLEN_SHIFT 9
+#define DH6SOL_SOLICIT_PLEN(x) \
+    (((x) & DH6SOL_SOLICIT_PLEN_MASK) >> DH6SOL_SOLICIT_PLEN_SHIFT)
+       u_int16_t dh6sol_plen_id; /* prefix-len and solict-ID */
        struct in6_addr dh6sol_cliaddr; /* client's lladdr */
        struct in6_addr dh6sol_relayaddr; /* relay agent's lladdr */
 };
 
-/* NOTE: dhcpv6-12 and dhcpv6-13+n are not compatible at all */
 struct dhcp6_advert {
        u_int8_t dh6adv_msgtype;                /* DH6_ADVERT */
-       u_int8_t dh6adv_flags;
-#define DH6ADV_SERVPRESENT     0x80
-       u_int8_t dh6adv_pad;
+       u_int8_t dh6adv_rsv_id; /* reserved and uppermost bit of ID */
+       u_int8_t dh6adv_solcit_id; /* lower 8 bits of solicit-ID */
        u_int8_t dh6adv_pref;
-       struct in6_addr dh6adv_cliaddr; /* client's lladdr */
+       struct in6_addr dh6adv_cliaddr; /* client's link-local addr */
        struct in6_addr dh6adv_relayaddr; /* relay agent's (non-ll) addr */
        struct in6_addr dh6adv_serveraddr; /* server's addr */
        /* extensions */
@@ -102,25 +109,26 @@ struct dhcp6_request {
        u_int8_t dh6req_msgtype;                /* DH6_REQUEST */
        u_int8_t dh6req_flags;
 #define DH6REQ_CLOSE           0x80
-#define DH6REQ_SERVPRESENT     0x40
-#define DH6REQ_REBOOT          0x20
+#define DH6REQ_REBOOT          0x40
        u_int16_t dh6req_xid;           /* transaction-ID */
        struct in6_addr dh6req_cliaddr; /* client's lladdr */
        struct in6_addr dh6req_relayaddr; /* relay agent's (non-ll) addr */
-       /* struct in6_addr dh6req_serveraddr; optional: server's addr */
+       struct in6_addr dh6req_serveraddr; /* server's addr */
        /* extensions */
 };
 
 struct dhcp6_reply {
        u_int8_t dh6rep_msgtype;                /* DH6_REPLY */
        u_int8_t dh6rep_flagandstat;
-#define DH6REP_CLIPRESENT      0x80
+#define DH6REP_RELAYPRESENT    0x80
 #define DH6REP_STATMASK                0x7f
        u_int16_t dh6rep_xid;           /* transaction-ID */
-       /* struct in6_addr dh6rep_cliaddr;      optional: client's lladdr */
+       struct in6_addr dh6rep_cliaddr; /* client's lladdr */
+       /* struct in6_addr dh6rep_relayaddr; optional: relay address */
        /* extensions */
 };
 
+/* XXX: followings are based on older drafts */
 struct dhcp6_release {
        u_int8_t dh6rel_msgtype;                /* DH6_RELEASE */
        u_int8_t dh6rel_flags;