diff options
Diffstat (limited to 'src/osmo-bts-virtual/virtual_um.c')
| -rw-r--r-- | src/osmo-bts-virtual/virtual_um.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/src/osmo-bts-virtual/virtual_um.c b/src/osmo-bts-virtual/virtual_um.c index cf5d6cdd..280ba79f 100644 --- a/src/osmo-bts-virtual/virtual_um.c +++ b/src/osmo-bts-virtual/virtual_um.c @@ -62,7 +62,7 @@ static int virt_um_fd_cb(struct osmo_fd *ofd, unsigned int what) } struct virt_um_inst *virt_um_init(void *ctx, char *tx_mcast_group, uint16_t tx_mcast_port, - char *rx_mcast_group, uint16_t rx_mcast_port, int ttl, + char *rx_mcast_group, uint16_t rx_mcast_port, int ttl, const char *dev_name, void (*recv_cb)(struct virt_um_inst *vui, struct msgb *msg)) { struct virt_um_inst *vui = talloc_zero(ctx, struct virt_um_inst); @@ -82,14 +82,29 @@ struct virt_um_inst *virt_um_init(void *ctx, char *tx_mcast_group, uint16_t tx_m rc = osmo_sock_mcast_ttl_set(vui->mcast_sock->tx_ofd.fd, ttl); if (rc < 0) { perror("Cannot set TTL of Virtual Um transmit socket"); - mcast_bidir_sock_close(vui->mcast_sock); - talloc_free(vui); - return NULL; + goto out_close; + } + } + + if (dev_name) { + rc = osmo_sock_mcast_iface_set(vui->mcast_sock->tx_ofd.fd, dev_name); + if (rc < 0) { + perror("Cannot bind multicast tx to given device"); + goto out_close; + } + rc = osmo_sock_mcast_iface_set(vui->mcast_sock->rx_ofd.fd, dev_name); + if (rc < 0) { + perror("Cannot bind multicast rx to given device"); + goto out_close; } } return vui; +out_close: + mcast_bidir_sock_close(vui->mcast_sock); + talloc_free(vui); + return NULL; } void virt_um_destroy(struct virt_um_inst *vui) |