block: Simplify BDRV_BLOCK_RAW recursion

[mirror_qemu.git] / slirp / ip6.h

diff --git a/slirp/ip6.h b/slirp/ip6.h
index 731ee72d7748ecb6c460beea633753c38482135d..0908855f0f1f57f57c31fc14208d07520e350a4b 100644 (file)
--- a/slirp/ip6.h
+++ b/slirp/ip6.h
@@ -3,8 +3,8 @@
  * Guillaume Subiron, Yann Bordenave, Serigne Modou Wagne.
  */
 
-#ifndef SLIRP_IP6_H_
-#define SLIRP_IP6_H_
+#ifndef SLIRP_IP6_H
+#define SLIRP_IP6_H
 
 #include "net/eth.h"
 
@@ -26,6 +26,12 @@
                         0x00, 0x00, 0x00, 0x00,\
                         0x00, 0x00, 0x00, 0x02 } }
 
+#define ZERO_ADDR  { .s6_addr = \
+                        { 0x00, 0x00, 0x00, 0x00,\
+                        0x00, 0x00, 0x00, 0x00,\
+                        0x00, 0x00, 0x00, 0x00,\
+                        0x00, 0x00, 0x00, 0x00 } }
+
 static inline bool in6_equal(const struct in6_addr *a, const struct in6_addr *b)
 {
     return memcmp(a, b, sizeof(*a)) == 0;
@@ -72,7 +78,11 @@ static inline bool in6_equal_mach(const struct in6_addr *a,
   || (in6_equal_net(a, &(struct in6_addr)LINKLOCAL_ADDR, 64)\
       && in6_equal_mach(a, &slirp->vhost_addr6, 64)))
 
-#define in6_equal_dns(a) 0
+#define in6_equal_dns(a)\
+    ((in6_equal_net(a, &slirp->vprefix_addr6, slirp->vprefix_len)\
+      && in6_equal_mach(a, &slirp->vnameserver_addr6, slirp->vprefix_len))\
+  || (in6_equal_net(a, &(struct in6_addr)LINKLOCAL_ADDR, 64)\
+      && in6_equal_mach(a, &slirp->vnameserver_addr6, 64)))
 
 #define in6_equal_host(a)\
     (in6_equal_router(a) || in6_equal_dns(a))
@@ -80,6 +90,9 @@ static inline bool in6_equal_mach(const struct in6_addr *a,
 #define in6_solicitednode_multicast(a)\
     (in6_equal_net(a, &(struct in6_addr)SOLICITED_NODE_PREFIX, 104))
 
+#define in6_zero(a)\
+    (in6_equal(a, &(struct in6_addr)ZERO_ADDR))
+
 /* Compute emulated host MAC address from its ipv6 address */
 static inline void in6_compute_ethaddr(struct in6_addr ip,
                                        uint8_t eth[ETH_ALEN])