forked from acouzens/open5gs
TUN driver is added
This commit is contained in:
parent
e44e613ff2
commit
a27f294f74
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@ -26,7 +26,9 @@ typedef struct _sock_t {
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index_t index;
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index_t index;
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int family;
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int family;
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int fd;
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int fd;
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char ifname[IFNAMSIZ];
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c_sockaddr_t local_addr;
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c_sockaddr_t local_addr;
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c_sockaddr_t remote_addr;
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c_sockaddr_t remote_addr;
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@ -83,10 +83,11 @@ struct c_sockaddr_t {
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CORE_DECLARE(status_t) sock_init(void);
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CORE_DECLARE(status_t) sock_init(void);
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CORE_DECLARE(status_t) sock_final(void);
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CORE_DECLARE(status_t) sock_final(void);
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CORE_DECLARE(status_t) sock_create(
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CORE_DECLARE(status_t) sock_create(sock_id *new);
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sock_id *id, int family, int type, int protocol);
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CORE_DECLARE(status_t) sock_delete(sock_id id);
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CORE_DECLARE(status_t) sock_delete(sock_id id);
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CORE_DECLARE(status_t) sock_socket(
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sock_id *id, int family, int type, int protocol);
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CORE_DECLARE(status_t) sock_bind(sock_id id, c_sockaddr_t *sa);
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CORE_DECLARE(status_t) sock_bind(sock_id id, c_sockaddr_t *sa);
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CORE_DECLARE(status_t) sock_connect(sock_id id, c_sockaddr_t *sa);
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CORE_DECLARE(status_t) sock_connect(sock_id id, c_sockaddr_t *sa);
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@ -131,6 +132,14 @@ CORE_DECLARE(int) core_sctp_sendmsg(sock_id id, const void *msg, size_t len,
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#define CORE_SCTP_REMOTE_CLOSED -2
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#define CORE_SCTP_REMOTE_CLOSED -2
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CORE_DECLARE(int) core_sctp_recvmsg(sock_id id, void *msg, size_t len,
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CORE_DECLARE(int) core_sctp_recvmsg(sock_id id, void *msg, size_t len,
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c_sockaddr_t *from, c_uint32_t *ppid, c_uint16_t *stream_no);
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c_sockaddr_t *from, c_uint32_t *ppid, c_uint16_t *stream_no);
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/*
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* TUN Driver
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*/
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CORE_DECLARE(status_t) tun_open(sock_id *new,
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char *ifname, int is_tap);
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CORE_DECLARE(status_t) tun_set_ipv4(sock_id id,
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c_uint32_t ip_addr, c_uint8_t bits);
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/*
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/*
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* Send/Recv
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* Send/Recv
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*/
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*/
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@ -30,7 +30,7 @@ libcore_la_SOURCES = \
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unix/rand.c unix/time.c unix/file.c unix/net_lib.c \
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unix/rand.c unix/time.c unix/file.c unix/net_lib.c \
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unix/thread.c unix/signal.c \
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unix/thread.c unix/signal.c \
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unix/atomic.c unix/cond.c unix/mutex.c unix/rwlock.c unix/semaphore.c \
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unix/atomic.c unix/cond.c unix/mutex.c unix/rwlock.c unix/semaphore.c \
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unix/socket.c unix/udp.c unix/tcp.c \
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unix/socket.c unix/udp.c unix/tcp.c unix/tun.c \
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$(NULL)
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$(NULL)
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if !USRSCTP
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if !USRSCTP
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@ -18,7 +18,7 @@ status_t sctp_socket(sock_id *new, int family, int type)
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{
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{
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status_t rv;
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status_t rv;
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rv = sock_create(new, family, type, IPPROTO_SCTP);
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rv = sock_socket(new, family, type, IPPROTO_SCTP);
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d_assert(rv == CORE_OK, return CORE_ERROR,);
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d_assert(rv == CORE_OK, return CORE_ERROR,);
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rv = subscribe_to_events(*new);
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rv = subscribe_to_events(*new);
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@ -35,7 +35,7 @@ status_t sock_final(void)
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return CORE_OK;
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return CORE_OK;
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}
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}
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status_t sock_create(sock_id *new, int family, int type, int protocol)
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status_t sock_create(sock_id *new)
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{
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{
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sock_t *sock = NULL;
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sock_t *sock = NULL;
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@ -43,16 +43,7 @@ status_t sock_create(sock_id *new, int family, int type, int protocol)
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d_assert(sock, return CORE_ENOMEM,);
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d_assert(sock, return CORE_ENOMEM,);
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memset(sock, 0, sizeof(sock_t));
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memset(sock, 0, sizeof(sock_t));
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sock->family = family;
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sock->fd = -1;
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sock->fd = socket(sock->family, type, protocol);
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if (sock->fd < 0)
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{
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d_warn("socket create(%d:%d:%d) failed(%d:%s)",
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sock->family, type, protocol, errno, strerror(errno));
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return CORE_ERROR;
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}
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d_trace(1, "socket create(%d:%d:%d)\n", sock->family, type, protocol);
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*new = (sock_id)sock;
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*new = (sock_id)sock;
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@ -74,6 +65,30 @@ status_t sock_delete(sock_id id)
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return CORE_OK;
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return CORE_OK;
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}
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}
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status_t sock_socket(sock_id *new, int family, int type, int protocol)
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{
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status_t rv;
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sock_t *sock = NULL;
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rv = sock_create(new);
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d_assert(rv == CORE_OK, return CORE_ERROR,);
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sock = (sock_t *)(*new);
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sock->family = family;
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sock->fd = socket(sock->family, type, protocol);
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if (sock->fd < 0)
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{
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d_warn("socket create(%d:%d:%d) failed(%d:%s)",
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sock->family, type, protocol, errno, strerror(errno));
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return CORE_ERROR;
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}
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d_trace(1, "socket create(%d:%d:%d)\n", sock->family, type, protocol);
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return CORE_OK;
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}
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status_t sock_bind(sock_id id, c_sockaddr_t *sa)
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status_t sock_bind(sock_id id, c_sockaddr_t *sa)
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{
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{
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sock_t *sock = (sock_t *)id;
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sock_t *sock = (sock_t *)id;
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@ -16,7 +16,7 @@ status_t tcp_server(sock_id *new,
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while(sa)
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while(sa)
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{
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{
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rv = sock_create(new, sa->c_sa_family, SOCK_STREAM, IPPROTO_TCP);
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rv = sock_socket(new, sa->c_sa_family, SOCK_STREAM, IPPROTO_TCP);
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if (rv != CORE_OK) continue;
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if (rv != CORE_OK) continue;
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sock = (sock_t *)*new;
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sock = (sock_t *)*new;
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@ -67,7 +67,7 @@ status_t tcp_client(sock_id *new,
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while(sa)
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while(sa)
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{
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{
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rv = sock_create(new, sa->c_sa_family, SOCK_STREAM, IPPROTO_TCP);
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rv = sock_socket(new, sa->c_sa_family, SOCK_STREAM, IPPROTO_TCP);
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if (rv != CORE_OK) continue;
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if (rv != CORE_OK) continue;
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sock = (sock_t *)*new;
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sock = (sock_t *)*new;
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@ -0,0 +1,185 @@
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#define TRACE_MODULE _core_tun
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#include "core_debug.h"
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#include "core_arch_network.h"
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#if HAVE_NET_ROUTE_H
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#include <net/route.h>
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#endif
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status_t tun_open(sock_id *new, char *ifname, int is_tap)
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{
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status_t rv;
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sock_t *sock = NULL;
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int fd = -1;
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#if LINUX == 1
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char *dev = "/dev/net/tun";
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int rc;
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struct ifreq ifr;
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int flags = IFF_NO_PI;
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fd = open(dev, O_RDWR);
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if (fd < 0)
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{
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d_error("Can not open %s",dev);
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return -1;
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}
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#else
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char name[C_PATH_MAX];
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int tun = 0;
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#define TUNTAP_ID_MAX 255
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for (tun = 0; tun < TUNTAP_ID_MAX; tun++)
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{
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(void)snprintf(name, sizeof(name), "/dev/tun%i", tun);
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if ((fd = open(name, O_RDWR)) > 0)
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{
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(void)snprintf(name, sizeof(name), "tun%i", tun);
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ifname = name;
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break;
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}
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}
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#endif
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rv = sock_create(new);
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d_assert(rv == CORE_OK, return CORE_ERROR,);
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sock = (sock_t *)(*new);
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d_assert(sock, return CORE_ERROR,);
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/* Save socket descriptor */
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sock->fd = fd;
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/* Save the interface name */
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strncpy(sock->ifname, ifname, IFNAMSIZ);
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#if LINUX == 1
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memset(&ifr, 0, sizeof(ifr));
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ifr.ifr_flags = (is_tap ? (flags | IFF_TAP) : (flags | IFF_TUN));
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strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
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rc = ioctl(sock->fd, TUNSETIFF, (void *)&ifr);
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if (rc < 0)
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{
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d_error("iotcl error(dev:%s flags = %d)", ifname, flags);
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goto cleanup;
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}
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#endif
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return CORE_OK;
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#if LINUX == 1
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cleanup:
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sock_delete(*new);
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return CORE_ERROR;
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#endif
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}
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status_t tun_set_ipv4(sock_id id, c_uint32_t ip_addr, c_uint8_t bits)
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{
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#if LINUX != 1
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sock_t *sock = NULL;
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int fd;
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struct ifaliasreq ifa;
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struct ifreq ifr;
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struct sockaddr_in addr;
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struct sockaddr_in mask;
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c_uint32_t mask_addr = htonl(0xffffffff << (32 - bits));
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char buf[512];
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int len;
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struct rt_msghdr *rtm;
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struct sockaddr_in dst, gw;
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struct sockaddr_in *paddr;
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sock = (sock_t *)id;
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d_assert(id, return CORE_ERROR,);
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fd = socket(AF_INET, SOCK_DGRAM, 0);
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(void)memset(&ifa, '\0', sizeof ifa);
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(void)strlcpy(ifa.ifra_name, sock->ifname, sizeof ifa.ifra_name);
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(void)memset(&ifr, '\0', sizeof ifr);
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(void)strlcpy(ifr.ifr_name, sock->ifname, sizeof ifr.ifr_name);
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/* Delete previously assigned address */
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(void)ioctl(fd, SIOCDIFADDR, &ifr);
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(void)memset(&addr, '\0', sizeof(addr));
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addr.sin_family = AF_INET;
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addr.sin_addr.s_addr = ip_addr;
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addr.sin_len = sizeof(addr);
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(void)memcpy(&ifa.ifra_addr, &addr, sizeof(addr));
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(void)memcpy(&ifa.ifra_broadaddr, &addr, sizeof(addr));
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(void)memset(&mask, '\0', sizeof(mask));
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mask.sin_family = AF_INET;
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mask.sin_addr.s_addr = 0xffffffff;
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mask.sin_len = sizeof(mask);
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(void)memcpy(&ifa.ifra_mask, &mask, sizeof(ifa.ifra_mask));
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if (ioctl(fd, SIOCAIFADDR, &ifa) == -1) {
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d_error("Can't IP address(dev:%s err:%s)",
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sock->ifname, strerror(errno));
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return CORE_ERROR;
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}
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close(fd); /* AF_INET, SOCK_DGRAM */
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fd = socket(PF_ROUTE, SOCK_RAW, 0);
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if (fd < 0)
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{
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d_error("Can't open PF_ROUTE(%s)", strerror(errno));
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return CORE_ERROR;
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}
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(void)memset(&buf, 0, sizeof(buf));
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rtm = (struct rt_msghdr *)buf;
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rtm->rtm_type = RTM_ADD;
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rtm->rtm_version = RTM_VERSION;
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rtm->rtm_pid = getpid();
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rtm->rtm_seq = 0;
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rtm->rtm_flags = RTF_UP | RTF_GATEWAY;
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rtm->rtm_addrs = RTA_DST | RTA_GATEWAY | RTA_NETMASK;
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paddr = (struct sockaddr_in *)(rtm + 1);
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(void)memset(&dst, '\0', sizeof(dst));
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dst.sin_family = AF_INET;
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dst.sin_addr.s_addr = ip_addr & mask_addr;
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dst.sin_len = sizeof(dst);
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(void)memcpy(paddr, &dst, sizeof(dst));
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paddr = (struct sockaddr_in *)((char *)paddr +
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CORE_ALIGN(sizeof(*paddr), sizeof(c_uintptr_t)));
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(void)memset(&gw, '\0', sizeof(gw));
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gw.sin_family = AF_INET;
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gw.sin_addr.s_addr = ip_addr;
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gw.sin_len = sizeof(gw);
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(void)memcpy(paddr, &gw, sizeof(gw));
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paddr = (struct sockaddr_in *)((char *)paddr +
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CORE_ALIGN(sizeof(*paddr), sizeof(c_uintptr_t)));
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(void)memset(&mask, '\0', sizeof(mask));
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mask.sin_family = AF_INET;
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mask.sin_addr.s_addr = mask_addr;
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mask.sin_len = sizeof(mask);
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(void)memcpy(paddr, &mask, sizeof(mask));
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paddr = (struct sockaddr_in *)((char *)paddr +
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CORE_ALIGN(sizeof(*paddr), sizeof(c_uintptr_t)));
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len = (char*)paddr - buf;
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rtm->rtm_msglen = len;
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if (write(fd, buf, len) < 0)
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{
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d_error("Can't add routing(%s)", strerror(errno));
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return CORE_ERROR;
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}
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close(fd); /* PF_ROUTE, SOCK_RAW */
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#endif /* LINUX == 1 */
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return 0;
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}
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@ -7,7 +7,7 @@ status_t udp_socket(sock_id *new, int family)
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{
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{
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status_t rv;
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status_t rv;
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rv = sock_create(new, family, SOCK_DGRAM, IPPROTO_UDP);
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rv = sock_socket(new, family, SOCK_DGRAM, IPPROTO_UDP);
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d_assert(rv == CORE_OK && new, return CORE_ERROR,);
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d_assert(rv == CORE_OK && new, return CORE_ERROR,);
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d_trace(1, "udp socket(%d)\n", family);
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d_trace(1, "udp socket(%d)\n", family);
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@ -144,8 +144,8 @@ status_t gtp_send(gtp_node_t *gnode, pkbuf_t *pkbuf)
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sock = gnode->sock;
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sock = gnode->sock;
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d_assert(sock, return CORE_ERROR, "Null param");
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d_assert(sock, return CORE_ERROR, "Null param");
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sent = net_sendto(sock, pkbuf->payload, pkbuf->len,
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sent = sendto(sock->sock_id, pkbuf->payload, pkbuf->len, 0,
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gnode->addr.sin.sin_addr.s_addr, ntohs(gnode->addr.c_sa_port));
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&gnode->addr.sa, sizeof(gnode->addr.sin));
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d_trace(50, "Sent %d->%d bytes to [%s:%d]\n", pkbuf->len, sent,
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d_trace(50, "Sent %d->%d bytes to [%s:%d]\n", pkbuf->len, sent,
|
||||||
CORE_NTOP(&gnode->addr, buf), ntohs(gnode->addr.c_sa_port));
|
CORE_NTOP(&gnode->addr, buf), ntohs(gnode->addr.c_sa_port));
|
||||||
d_trace_hex(50, pkbuf->payload, pkbuf->len);
|
d_trace_hex(50, pkbuf->payload, pkbuf->len);
|
||||||
|
|
|
@ -497,6 +497,7 @@ pgw_sess_t *pgw_sess_add(gtp_f_teid_t *sgw_s5c_teid,
|
||||||
|
|
||||||
sgw->addr.sin.sin_addr.s_addr = addr;
|
sgw->addr.sin.sin_addr.s_addr = addr;
|
||||||
sgw->addr.c_sa_port = htons(GTPV2_C_UDP_PORT);
|
sgw->addr.c_sa_port = htons(GTPV2_C_UDP_PORT);
|
||||||
|
sgw->addr.c_sa_family = AF_INET;
|
||||||
sgw->sock = pgw_self()->gtpc_sock;
|
sgw->sock = pgw_self()->gtpc_sock;
|
||||||
}
|
}
|
||||||
/* Setup GTP Node between PGW and SGW */
|
/* Setup GTP Node between PGW and SGW */
|
||||||
|
|
|
@ -64,6 +64,7 @@ static int _gtpv1_tun_recv_cb(net_link_t *net_link, void *data)
|
||||||
/* Send to SGW */
|
/* Send to SGW */
|
||||||
gnode.addr.sin.sin_addr.s_addr = bearer->sgw_s5u_addr;
|
gnode.addr.sin.sin_addr.s_addr = bearer->sgw_s5u_addr;
|
||||||
gnode.addr.c_sa_port = htons(GTPV1_U_UDP_PORT);
|
gnode.addr.c_sa_port = htons(GTPV1_U_UDP_PORT);
|
||||||
|
gnode.addr.c_sa_family = AF_INET;
|
||||||
gnode.sock = pgw_self()->gtpu_sock;
|
gnode.sock = pgw_self()->gtpu_sock;
|
||||||
d_trace(50, "Send S5U PDU (teid = 0x%x)to SGW(%s)\n",
|
d_trace(50, "Send S5U PDU (teid = 0x%x)to SGW(%s)\n",
|
||||||
bearer->sgw_s5u_teid,
|
bearer->sgw_s5u_teid,
|
||||||
|
|
|
@ -406,6 +406,7 @@ sgw_ue_t* sgw_ue_add(gtp_f_teid_t *mme_s11_teid,
|
||||||
d_assert(mme, return NULL, "Can't add MME-GTP node");
|
d_assert(mme, return NULL, "Can't add MME-GTP node");
|
||||||
|
|
||||||
mme->addr.sin.sin_addr.s_addr = addr;
|
mme->addr.sin.sin_addr.s_addr = addr;
|
||||||
|
mme->addr.c_sa_family = AF_INET;
|
||||||
mme->addr.c_sa_port = htons(GTPV2_C_UDP_PORT);
|
mme->addr.c_sa_port = htons(GTPV2_C_UDP_PORT);
|
||||||
mme->sock = sgw_self()->gtpc_sock;
|
mme->sock = sgw_self()->gtpc_sock;
|
||||||
}
|
}
|
||||||
|
|
|
@ -100,6 +100,7 @@ static int _gtpv1_u_recv_cb(net_sock_t *sock, void *data)
|
||||||
|
|
||||||
gnode.addr.sin.sin_addr.s_addr = sock->remote.sin_addr.s_addr;
|
gnode.addr.sin.sin_addr.s_addr = sock->remote.sin_addr.s_addr;
|
||||||
gnode.addr.c_sa_port = sock->remote.sin_port;
|
gnode.addr.c_sa_port = sock->remote.sin_port;
|
||||||
|
gnode.addr.c_sa_family = AF_INET;
|
||||||
gnode.sock = sock;
|
gnode.sock = sock;
|
||||||
|
|
||||||
gtp_send(&gnode, echo_rsp);
|
gtp_send(&gnode, echo_rsp);
|
||||||
|
@ -119,6 +120,7 @@ static int _gtpv1_u_recv_cb(net_sock_t *sock, void *data)
|
||||||
|
|
||||||
/* Convert TEID */
|
/* Convert TEID */
|
||||||
gnode.addr.c_sa_port = htons(GTPV1_U_UDP_PORT);
|
gnode.addr.c_sa_port = htons(GTPV1_U_UDP_PORT);
|
||||||
|
gnode.addr.c_sa_family = AF_INET;
|
||||||
gnode.sock = sgw_self()->gtpu_sock;
|
gnode.sock = sgw_self()->gtpu_sock;
|
||||||
|
|
||||||
if (tunnel->interface_type ==
|
if (tunnel->interface_type ==
|
||||||
|
@ -295,6 +297,7 @@ status_t sgw_gtp_send_end_marker(sgw_bearer_t *bearer)
|
||||||
|
|
||||||
gnode.addr.sin.sin_addr.s_addr = s1u_tunnel->remote_addr;
|
gnode.addr.sin.sin_addr.s_addr = s1u_tunnel->remote_addr;
|
||||||
gnode.addr.c_sa_port = htons(GTPV1_U_UDP_PORT);
|
gnode.addr.c_sa_port = htons(GTPV1_U_UDP_PORT);
|
||||||
|
gnode.addr.c_sa_family = AF_INET;
|
||||||
gnode.sock = sgw_self()->gtpu_sock;
|
gnode.sock = sgw_self()->gtpu_sock;
|
||||||
|
|
||||||
rv = gtp_send(&gnode, pkbuf);
|
rv = gtp_send(&gnode, pkbuf);
|
||||||
|
|
|
@ -107,6 +107,7 @@ void sgw_s11_handle_create_session_request(gtp_xact_t *s11_xact,
|
||||||
|
|
||||||
pgw->addr.sin.sin_addr.s_addr = addr;
|
pgw->addr.sin.sin_addr.s_addr = addr;
|
||||||
pgw->addr.c_sa_port = htons(GTPV2_C_UDP_PORT);
|
pgw->addr.c_sa_port = htons(GTPV2_C_UDP_PORT);
|
||||||
|
pgw->addr.c_sa_family = AF_INET;
|
||||||
pgw->sock = sgw_self()->gtpc_sock;
|
pgw->sock = sgw_self()->gtpc_sock;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
|
@ -141,6 +141,7 @@ int testgtpu_enb_send(net_sock_t *sock, c_uint32_t src_ip, c_uint32_t dst_ip)
|
||||||
|
|
||||||
gnode.addr.sin.sin_addr.s_addr = bearer->sgw_s1u_addr;
|
gnode.addr.sin.sin_addr.s_addr = bearer->sgw_s1u_addr;
|
||||||
gnode.addr.c_sa_port = htons(GTPV1_U_UDP_PORT);
|
gnode.addr.c_sa_port = htons(GTPV1_U_UDP_PORT);
|
||||||
|
gnode.addr.c_sa_family = AF_INET;
|
||||||
gnode.sock = sock;
|
gnode.sock = sock;
|
||||||
|
|
||||||
rv = gtp_send(&gnode, pkbuf);
|
rv = gtp_send(&gnode, pkbuf);
|
||||||
|
|
Loading…
Reference in New Issue