--- a/networking/udhcp/common.c
+++ b/networking/udhcp/common.c
-@@ -54,6 +54,7 @@ const struct dhcp_optflag dhcp_optflags[
- { OPTION_SIP_SERVERS , 0x78 }, /* DHCP_SIP_SERVERS */
+@@ -60,6 +60,8 @@ const struct dhcp_optflag dhcp_optflags[
+ { OPTION_U8 , 0x85 }, /* DHCP_VLAN_PRIORITY */
#endif
- { OPTION_STATIC_ROUTES , 0x79 }, /* DHCP_STATIC_ROUTES */
-+ { OPTION_6RD , 0xd4 }, /* DHCP_6RD */
+ { OPTION_STATIC_ROUTES , 0xf9 }, /* DHCP_MS_STATIC_ROUTES */
++ { OPTION_6RD , 0xd4 }, /* DHCP_6RD (RFC) */
++ { OPTION_6RD , 0x96 }, /* DHCP_6RD (Comcast) */
{ OPTION_STRING , 0xfc }, /* DHCP_WPAD */
/* Options below have no match in dhcp_option_strings[],
-@@ -114,6 +115,7 @@ const char dhcp_option_strings[] ALIGN1
- // doesn't work in udhcpd.conf since OPTION_STATIC_ROUTES
- // is not handled yet by "string->option" conversion code:
- "staticroutes" "\0"/* DHCP_STATIC_ROUTES */
-+ "ip6rd" "\0" /* DHCP_6RD */
+@@ -127,6 +129,8 @@ const char dhcp_option_strings[] ALIGN1
+ "vlanpriority" "\0"/* DHCP_VLAN_PRIORITY */
+ #endif
+ "msstaticroutes""\0"/* DHCP_MS_STATIC_ROUTES */
++ "ip6rd" "\0" /* DHCP_6RD (RFC) */
++ "ip6rd" "\0" /* DHCP_6RD (Comcast) */
"wpad" "\0" /* DHCP_WPAD */
;
-@@ -141,6 +143,7 @@ const uint8_t dhcp_option_lengths[] ALIG
+@@ -154,6 +158,7 @@ const uint8_t dhcp_option_lengths[] ALIG
[OPTION_S32] = 4,
/* Just like OPTION_STRING, we use minimum length here */
[OPTION_STATIC_ROUTES] = 5,
};
+--- a/networking/udhcp/common.h
++++ b/networking/udhcp/common.h
+@@ -88,6 +88,7 @@ enum {
+ OPTION_S32,
+ OPTION_BIN,
+ OPTION_STATIC_ROUTES,
++ OPTION_6RD,
+ #if ENABLE_FEATURE_UDHCP_RFC3397
+ OPTION_DNS_STRING, /* RFC1035 compressed domain name list */
+ OPTION_SIP_SERVERS,
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
-@@ -45,6 +45,7 @@ static const uint8_t len_of_option_as_st
+@@ -100,6 +100,7 @@ static const uint8_t len_of_option_as_st
[OPTION_IP ] = sizeof("255.255.255.255 "),
[OPTION_IP_PAIR ] = sizeof("255.255.255.255 ") * 2,
[OPTION_STATIC_ROUTES ] = sizeof("255.255.255.255/32 255.255.255.255 "),
[OPTION_STRING ] = 1,
#if ENABLE_FEATURE_UDHCP_RFC3397
[OPTION_DNS_STRING ] = 1, /* unused */
-@@ -68,6 +69,23 @@ static int sprint_nip(char *dest, const
+@@ -123,6 +124,23 @@ static int sprint_nip(char *dest, const
return sprintf(dest, "%s%u.%u.%u.%u", pre, ip[0], ip[1], ip[2], ip[3]);
}
/* really simple implementation, just count the bits */
static int mton(uint32_t mask)
{
-@@ -177,6 +195,70 @@ static NOINLINE char *xmalloc_optname_op
+@@ -231,6 +249,70 @@ static NOINLINE char *xmalloc_optname_op
+ }
return ret;
- }
++ }
+ case OPTION_6RD: {
+ /* Option binary format:
+ * 0 1 2 3
+ }
+
+ return ret;
-+ }
+ }
#if ENABLE_FEATURE_UDHCP_RFC3397
case OPTION_DNS_STRING:
- /* unpack option into dest; use ret for prefix (i.e., "optname=") */
---- a/networking/udhcp/common.h
-+++ b/networking/udhcp/common.h
-@@ -88,6 +88,7 @@ enum {
- OPTION_S32,
- OPTION_BIN,
- OPTION_STATIC_ROUTES,
-+ OPTION_6RD,
- #if ENABLE_FEATURE_UDHCP_RFC3397
- OPTION_DNS_STRING, /* RFC1035 compressed domain name list */
- OPTION_SIP_SERVERS,