From 567107d2223f654357949d148c1c09d6e2759e17 Mon Sep 17 00:00:00 2001
From: "Wesley W. Terpstra" <w.terpstra@gsi.de>
Date: Thu, 8 Mar 2012 15:09:25 +0000
Subject: [PATCH] Support broadcast Etherbone over UDP.
---
api/transport/posix-udp.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/api/transport/posix-udp.c b/api/transport/posix-udp.c
index 4879761..cf377f1 100644
--- a/api/transport/posix-udp.c
+++ b/api/transport/posix-udp.c
@@ -46,10 +46,18 @@
eb_status_t eb_posix_udp_open(struct eb_transport* transportp, const char* port) {
struct eb_posix_udp_transport* transport;
eb_posix_sock_t sock;
+ int optval;
sock = eb_posix_ip_open(SOCK_DGRAM, port);
if (sock == -1) return EB_BUSY;
+ /* Etherbone can broadcast */
+ optval = 1;
+ if (setsockopt(sock, SOL_SOCKET, SO_BROADCAST, (char*)&optval, sizeof(optval)) != 0) {
+ eb_posix_ip_close(sock);
+ return EB_FAIL;
+ }
+
transport = (struct eb_posix_udp_transport*)transportp;
transport->socket = sock;
--
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