modifies the setup of the netlink socket in drv_cfg.c to use pid 0 instead
of the processes pid.
Also replaces bind with connect to allow the reception of netlink messages
from libvirt.
Preparation patch for communication between libvirt and lldpad.
Signed-off-by: Gerhard Stenzel <gstenzel@xxxxxxxxxxxxxxxxxx>
---
drv_cfg.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drv_cfg.c b/drv_cfg.c
index 6c02555..23c11f3 100644
--- a/drv_cfg.c
+++ b/drv_cfg.c
@@ -71,9 +71,9 @@ static int init_socket(void)
memset((void *)&snl, 0, sizeof(struct sockaddr_nl));
snl.nl_family = AF_NETLINK;
- snl.nl_pid = getpid();
+ snl.nl_pid = 0;
- if (bind(sd, (struct sockaddr *)&snl, sizeof(struct sockaddr_nl)) < 0) {
+ if (connect(sd, (struct sockaddr *)&snl, sizeof(struct sockaddr_nl)) < 0) {
close(sd);
return -EIO;
}
@@ -195,6 +195,7 @@ static struct nlmsghdr *get_msg(unsigned int seq)
nlh = NULL;
break;
}
+ fprintf(stderr, "%s:%s: nlmsg_type: %d\n", __FILE__, __FUNCTION__, nlh->nlmsg_type);
if ((nlh->nlmsg_type == RTM_GETDCB ||
nlh->nlmsg_type == RTM_SETDCB) &&
nlh->nlmsg_seq == seq) {
--
1.7.1
_______________________________________________
Virtualization mailing list
Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linux-foundation.org/mailman/listinfo/virtualization
