Review at https://gerrit.osmocom.org/3207
VIRT-PHY: Fixed error causing send msgs to be received on same sock.
This could be disabled setting socket option IP_MULTICAST_ALL = 0.
Change-Id: Ia2838c4cd39bfac04c014b4c8512466b301d8875
---
M src/host/virt_phy/src/shared/osmo_mcast_sock.c
1 file changed, 9 insertions(+), 1 deletion(-)
git pull ssh://gerrit.osmocom.org:29418/osmocom-bb refs/changes/07/3207/1
diff --git a/src/host/virt_phy/src/shared/osmo_mcast_sock.c
b/src/host/virt_phy/src/shared/osmo_mcast_sock.c
index acc6bcb..ff81063 100644
--- a/src/host/virt_phy/src/shared/osmo_mcast_sock.c
+++ b/src/host/virt_phy/src/shared/osmo_mcast_sock.c
@@ -52,7 +52,7 @@
struct mcast_client_sock);
struct sockaddr_in *rx_sock_conf = talloc_zero(NULL,
struct sockaddr_in);
- int rc, reuseaddr = 1, loopback = 1;
+ int rc, reuseaddr = 1, loopback = 1, all = 0;
client_sock->osmo_fd = talloc_zero(ctx, struct osmo_fd);
client_sock->mcast_group = talloc_zero(ctx, struct ip_mreq);
@@ -107,6 +107,14 @@
return NULL;
}
+ // this option will set the delivery option so that only packages are
received
+ // from sockets we are bound to via IP_ADD_MEMBERSHIP
+ if (setsockopt(client_sock->osmo_fd->fd, IPPROTO_IP,
+ IP_MULTICAST_ALL, &all, sizeof(all)) < 0) {
+ perror("Failed to modify delivery policy to explicitly
joined.\n");
+ return NULL;
+ }
+
// configure and register the osmocom filedescriptor
client_sock->osmo_fd->cb = fd_rx_cb;
client_sock->osmo_fd->when = BSC_FD_READ;
--
To view, visit https://gerrit.osmocom.org/3207
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Gerrit-MessageType: newchange
Gerrit-Change-Id: Ia2838c4cd39bfac04c014b4c8512466b301d8875
Gerrit-PatchSet: 1
Gerrit-Project: osmocom-bb
Gerrit-Branch: master
Gerrit-Owner: Harald Welte <[email protected]>
Gerrit-Reviewer: BastusIII <[email protected]>
