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change link local address

This commit is contained in:
Sukchan Lee 2017-12-08 20:25:34 +09:00
parent 23c5e1040a
commit 9b5234bd5f
5 changed files with 87 additions and 24 deletions
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2
lib/core/include/core_network.h
View File

@ -126,8 +126,10 @@ CORE_DECLARE(status_t) sock_add_node(
list_t *list, sock_node_t **node, c_sockaddr_t *sa_list, int family);
CORE_DECLARE(status_t) sock_remove_node(list_t *list, sock_node_t *node);
CORE_DECLARE(status_t) sock_remove_all_nodes(list_t *list);
CORE_DECLARE(status_t) sock_probe_node(
list_t *list, list_t *list6, c_uint16_t port);
CORE_DECLARE(status_t) sock_fill_scope_id_in_local(c_sockaddr_t *sa_list);
CORE_DECLARE(status_t) core_getaddrinfo(c_sockaddr_t **sa_list,
int family, const char *hostname, c_uint16_t port, int flags);

55
lib/core/src/unix/socket.c
View File

@ -459,6 +459,61 @@ status_t sock_probe_node(list_t *list, list_t *list6, c_uint16_t port)
return CORE_OK;
}
status_t sock_fill_scope_id_in_local(c_sockaddr_t *sa_list)
{
struct ifaddrs *iflist = NULL, *cur;
int rc;
c_sockaddr_t *addr, *ifaddr;
for (addr = sa_list; addr != NULL; addr = addr->next)
{
if (addr->c_sa_family != AF_INET6)
continue;
if (!IN6_IS_ADDR_LINKLOCAL(&addr->sin6.sin6_addr))
continue;
if (addr->sin6.sin6_scope_id != 0)
continue;
if (iflist == NULL)
{
rc = getifaddrs(&iflist);
if (rc != 0)
{
d_error("getifaddrs failed(%d:%s)", errno, strerror(errno));
return CORE_ERROR;
}
}
for (cur = iflist; cur != NULL; cur = cur->ifa_next)
{
ifaddr = (c_sockaddr_t *)cur->ifa_addr;
if (cur->ifa_addr == NULL) /* may happen with ppp interfaces */
continue;
if (cur->ifa_addr->sa_family != AF_INET6)
continue;
if (!IN6_IS_ADDR_LINKLOCAL(&ifaddr->sin6.sin6_addr))
continue;
if (memcmp(&addr->sin6.sin6_addr,
&ifaddr->sin6.sin6_addr, sizeof(struct in6_addr)) == 0)
{
/* Fill Scope ID in localhost */
addr->sin6.sin6_scope_id = ifaddr->sin6.sin6_scope_id;
}
}
}
if (iflist)
freeifaddrs(iflist);
return CORE_OK;
}
status_t core_getaddrinfo(c_sockaddr_t **sa_list,
int family, const char *hostname, c_uint16_t port, int flags)
{

4
lib/gtp/gtp_path.c
View File

@ -66,6 +66,9 @@ gtp_node_t *gtp_connect_to_node(list_t *list, gtp_f_teid_t *f_teid,
rv = gtp_f_teid_to_ip(f_teid, &node->ip);
d_assert(rv == CORE_OK, return NULL,);
rv = sock_fill_scope_id_in_local(node->sa_list);
d_assert(rv == CORE_OK, return NULL,);
rv = gtp_client(node);
d_assert(rv == CORE_OK, return NULL,);
@ -74,7 +77,6 @@ gtp_node_t *gtp_connect_to_node(list_t *list, gtp_f_teid_t *f_teid,
return node;
}
status_t gtp_server_list(list_t *list, sock_handler handler)
{
status_t rv;

38
support/config/nextepc.conf.in
View File

@ -162,46 +162,46 @@ sgw:
#
# o Specify SGW addresses the GTP-C must connect to
#
# o One SGW is defined. If prefer_ipv4 is not true, [fec0::2] is selected.
# o One SGW is defined. If prefer_ipv4 is not true, [fe80::2%@LO_DEV@] is selected.
# gtpc:
# addr:
# - 127.0.0.2
# - fec0::2
# - fe80::2%@LO_DEV@
#
# o Two SGW are defined. MME selects SGW with round-robin manner per UE
# gtpc:
# - addr: 127.0.0.2
# - addr: fec0::2
# - addr: fe80::2%@LO_DEV@
#
# o Three SGW are defined. MME selects SGW with round-robin manner per UE
# gtpc:
# - addr
# - 127.0.0.2
# - fec0::2
# - fe80::2%@LO_DEV@
# - addr
# - 127.0.0.12
# - fec0::12
# - fec0::12%@LO_DEV@
# - name: sgw3.nextepc.org
#
# ------------------------ SGW --------------------------
#
# o Specify local addresses the GTP-C server must bind to
#
# o GTP-C Server(127.0.0.2:2123, [fec0::2]:2123)
# o GTP-C Server(127.0.0.2:2123, [fe80::2%@LO_DEV@]:2123)
# gtpc:
# addr:
# - 127.0.0.2
# - fec0::2
# - fe80::2%@LO_DEV@
#
# o Same configuration(127.0.0.2:2123, [fec0::2]:2123) as below.
# o Same configuration(127.0.0.2:2123, [fe80::2%@LO_DEV@]:2123) as below.
# gtpc:
# - addr: 127.0.0.2
# - addr: fec0::2
# - addr: fe80::2%@LO_DEV@
#
gtpc:
addr:
- 127.0.0.2
- fec0::2
- fe80::2%@LO_DEV@
#
# <GTP-U Server>>
@ -224,31 +224,31 @@ pgw:
# o Only first node is attempted. others are ignored.
# o if HSS provide PGW addresss(per-UE), it overwrites configuration.
#
# o Two PGW are defined. 127.0.0.3:2123 is attempted. [::3]:2123 is ignored.
# o Two PGW are defined. 127.0.0.3:2123 is attempted. [fe80::3%@LO_DEV@]:2123 is ignored.
# gtpc:
# - addr: 127.0.0.3
# - addr: ::3
# - addr: fe80::3%@LO_DEV@
#
# o One PGW is defined. if prefer_ipv4 is not true, [fec0::2] is selected.
# o One PGW is defined. if prefer_ipv4 is not true, [fe80::2%@LO_DEV@] is selected.
# gtpc:
# - addr:
# - 127.0.0.3
# - fec0::3
# - fe80::3%@LO_DEV@
#
# ------------------------ PGW --------------------------
#
# o Specify local addresses the GTP-C server must bind to
#
# o GTP-C Server(127.0.0.3:2123, [fec0::3]:2123)
# o GTP-C Server(127.0.0.3:2123, [fe80::3%@LO_DEV@]:2123)
# gtpc:
# addr:
# - 127.0.0.3
# - fec0::3
# - fe80::3%@LO_DEV@
#
gtpc:
addr:
- 127.0.0.3
- fec0::3
- fe80::3%@LO_DEV@
#
# <GTP-U Server>>
@ -258,10 +258,10 @@ pgw:
# o GTP-U Server(127.0.0.3:2152, [::3]:2152)
# gtpu:
# - addr: 127.0.0.3
# - addr: fec0::3
# - addr: fe80::3%@LO_DEV@
gtpu:
- addr: 127.0.0.3
- addr: fec0::3
- addr: fe80::3%@LO_DEV@
#
# <UE network>

12
support/network/restart.sh
View File

@ -17,8 +17,12 @@ else
ifconfig lo0 alias 127.0.0.3 netmask 255.255.255.255
ifconfig lo0 alias 127.0.0.4 netmask 255.255.255.255
ifconfig lo0 alias 127.0.0.5 netmask 255.255.255.255
ifconfig lo0 inet6 fec0::2 prefixlen 128
ifconfig lo0 inet6 fec0::3 prefixlen 128
ifconfig lo0 inet6 fec0::4 prefixlen 128
ifconfig lo0 inet6 fec0::5 prefixlen 128
ifconfig lo0 inet6 delete fe80::2 prefixlen 128 2> /dev/null
ifconfig lo0 inet6 delete fe80::3 prefixlen 128 2> /dev/null
ifconfig lo0 inet6 delete fe80::4 prefixlen 128 2> /dev/null
ifconfig lo0 inet6 delete fe80::5 prefixlen 128 2> /dev/null
ifconfig lo0 inet6 add fe80::2 prefixlen 128
ifconfig lo0 inet6 add fe80::3 prefixlen 128
ifconfig lo0 inet6 add fe80::4 prefixlen 128
ifconfig lo0 inet6 add fe80::5 prefixlen 128
fi