Make it possible for several instances of hostapd to listen on the same
network interface.
Signed-off-by: Petko Bordjukov <bordjukov@xxxxxxxxx>
---
src/ap/iapp.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/src/ap/iapp.c b/src/ap/iapp.c
index 07672ce..21ad9f5 100644
--- a/src/ap/iapp.c
+++ b/src/ap/iapp.c
@@ -381,6 +381,7 @@ struct iapp_data * iapp_init(struct hostapd_data *hapd, const char *iface)
struct sockaddr_in *paddr, uaddr;
struct iapp_data *iapp;
struct ip_mreqn mreq;
+ int reuseaddr = 1;
iapp = os_zalloc(sizeof(*iapp));
if (iapp == NULL)
@@ -443,6 +444,15 @@ struct iapp_data * iapp_init(struct hostapd_data *hapd, const char *iface)
os_memset(&uaddr, 0, sizeof(uaddr));
uaddr.sin_family = AF_INET;
uaddr.sin_port = htons(IAPP_UDP_PORT);
+
+ if (setsockopt(iapp->udp_sock, SOL_SOCKET, SO_REUSEADDR, &reuseaddr,
+ sizeof(reuseaddr)) < 0) {
+ wpa_printf(MSG_INFO, "iapp_init - setsockopt[UDP,SO_REUSEPORT]: %s",
+ strerror(errno));
+ iapp_deinit(iapp);
+ return NULL;
+ }
+
if (bind(iapp->udp_sock, (struct sockaddr *) &uaddr,
sizeof(uaddr)) < 0) {
wpa_printf(MSG_INFO, "iapp_init - bind[UDP]: %s",
--
2.9.2
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