ead: clean up, fix musl build

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@45110 3c298f89-4303-0410-b956-a3cf2f4a3e73

4 files changed, 46 insertions, 167 deletions

diff --git a/package/network/services/ead/src/Makefile b/package/network/services/ead/src/Makefile
index faef3b7997..eb755169f8 100644
--- a/package/network/services/ead/src/Makefile
+++ b/package/network/services/ead/src/Makefile
@@ -8,7 +8,7 @@ CONFIGURE_ARGS =
 
 all: ead ead-client
 
-obj = ead-crypt.o
+obj = ead-crypt.o libbridge_init.o
 
 tinysrp/Makefile:
 	cd tinysrp; ./configure $(CONFIGURE_ARGS)
diff --git a/package/network/services/ead/src/ead.c b/package/network/services/ead/src/ead.c
index d1847c1b5e..bded769b9d 100644
--- a/package/network/services/ead/src/ead.c
+++ b/package/network/services/ead/src/ead.c
@@ -30,19 +30,17 @@
 #include <t_sha.h>
 #include <t_defines.h>
 #include <t_server.h>
+#include <net/if.h>
 
 #include "list.h"
 #include "ead.h"
 #include "ead-pcap.h"
 #include "ead-crypt.h"
+#include "libbridge.h"
 
 #include "filter.c"
 
 #ifdef linux
-#include "libbridge_init.c"
-#endif
-
-#ifdef linux
 #include <linux/if_packet.h>
 #endif
 
@@ -74,10 +72,8 @@ struct ead_instance {
 	char ifname[16];
 	int pid;
 	char id;
-#ifdef linux
 	char bridge[16];
 	bool br_check;
-#endif
 };
 
 static char ethmac[6] = "\x00\x13\x37\x00\x00\x00"; /* last 3 bytes will be randomized */
@@ -696,13 +692,10 @@ ead_pcap_reopen(bool first)
 
 	pcap_fp_rx = NULL;
 	do {
-#ifdef linux
 		if (instance->bridge[0]) {
 			pcap_fp_rx = ead_open_pcap(instance->bridge, errbuf, 1);
 			pcap_fp = ead_open_pcap(instance->ifname, errbuf, 0);
-		} else
-#endif
-		{
+		} else {
 			pcap_fp = ead_open_pcap(instance->ifname, errbuf, 1);
 		}
 
@@ -836,7 +829,6 @@ server_handle_sigint(int sig)
 	exit(1);
 }
 
-#ifdef linux
 static int
 check_bridge_port(const char *br, const char *port, void *arg)
 {
@@ -866,12 +858,10 @@ check_bridge(const char *name, void *arg)
 	br_foreach_port(name, check_bridge_port, arg);
 	return 0;
 }
-#endif
 
 static void
 check_all_interfaces(void)
 {
-#ifdef linux
 	struct ead_instance *in;
 	struct list_head *p;
 
@@ -889,7 +879,6 @@ check_all_interfaces(void)
 			stop_server(in, false);
 		}
 	}
-#endif
 }
 
 
@@ -973,9 +962,7 @@ int main(int argc, char **argv)
 	nid = *(((u16_t *) ethmac) + 2);
 
 	start_servers(false);
-#ifdef linux
 	br_init();
-#endif
 	tv.tv_sec = 1;
 	tv.tv_usec = 0;
 	while (1) {
@@ -983,9 +970,7 @@ int main(int argc, char **argv)
 		start_servers(true);
 		sleep(1);
 	}
-#ifdef linux
 	br_shutdown();
-#endif
 
 	return 0;
 }
diff --git a/package/network/services/ead/src/libbridge.h b/package/network/services/ead/src/libbridge.h
index 13c8c64c62..d7bbdc4162 100644
--- a/package/network/services/ead/src/libbridge.h
+++ b/package/network/services/ead/src/libbridge.h
@@ -19,67 +19,42 @@
 #ifndef _LIBBRIDGE_H
 #define _LIBBRIDGE_H
 
-#include <sys/socket.h>
-#include <linux/if.h>
-#include <linux/in6.h>
-#include <linux/if_bridge.h>
+#ifdef linux
 
-/* defined in net/if.h but that conflicts with linux/if.h... */
-extern unsigned int if_nametoindex (const char *__ifname);
-extern char *if_indextoname (unsigned int __ifindex, char *__ifname);
+int br_init(void);
+void br_shutdown(void);
 
-struct bridge_id
+int br_foreach_port(const char *brname,
+		    int (*iterator)(const char *br, const char *port, void *arg),
+		    void *arg);
+
+int br_foreach_bridge(int (*iterator)(const char *, void *), void *arg);
+
+#else
+
+static inline int br_init(void)
 {
-	unsigned char prio[2];
-	unsigned char addr[6];
-};
+	return 0;
+}
 
-struct bridge_info
+static inline void br_shutdown(void)
 {
-	struct bridge_id designated_root;
-	struct bridge_id bridge_id;
-	unsigned root_path_cost;
-	struct timeval max_age;
-	struct timeval hello_time;
-	struct timeval forward_delay;
-	struct timeval bridge_max_age;
-	struct timeval bridge_hello_time;
-	struct timeval bridge_forward_delay;
-	u_int16_t root_port;
-	unsigned char stp_enabled;
-	unsigned char topology_change;
-	unsigned char topology_change_detected;
-	struct timeval ageing_time;
-	struct timeval hello_timer_value;
-	struct timeval tcn_timer_value;
-	struct timeval topology_change_timer_value;
-	struct timeval gc_timer_value;
-};
+}
 
-struct fdb_entry
+static inline int
+br_foreach_port(const char *brname,
+		    int (*iterator)(const char *br, const char *port, void *arg),
+		    void *arg)
 {
-	u_int8_t mac_addr[6];
-	u_int16_t port_no;
-	unsigned char is_local;
-	struct timeval ageing_timer_value;
-};
+	return 0;
+}
 
-struct port_info
+static inline int
+br_foreach_bridge(int (*iterator)(const char *, void *), void *arg)
 {
-	unsigned port_no;
-	struct bridge_id designated_root;
-	struct bridge_id designated_bridge;
-	u_int16_t port_id;
-	u_int16_t designated_port;
-	u_int8_t priority;
-	unsigned char top_change_ack;
-	unsigned char config_pending;
-	unsigned char state;
-	unsigned path_cost;
-	unsigned designated_cost;
-	struct timeval message_age_timer_value;
-	struct timeval forward_delay_timer_value;
-	struct timeval hold_timer_value;
-};
+	return 0;
+}
+
+#endif
 
 #endif
diff --git a/package/network/services/ead/src/libbridge_init.c b/package/network/services/ead/src/libbridge_init.c
index 36d0eb9b8e..687ef62113 100644
--- a/package/network/services/ead/src/libbridge_init.c
+++ b/package/network/services/ead/src/libbridge_init.c
@@ -16,6 +16,8 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#ifdef linux
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
@@ -24,20 +26,24 @@
 #include <dirent.h>
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <sys/socket.h>
+#include <linux/if.h>
+#include <linux/in6.h>
+#include <linux/if_bridge.h>
 
 #include "libbridge.h"
 #include "libbridge_private.h"
 
-int br_socket_fd = -1;
+static int br_socket_fd = -1;
 
-static int br_init(void)
+int br_init(void)
 {
 	if ((br_socket_fd = socket(AF_LOCAL, SOCK_STREAM, 0)) < 0)
 		return errno;
 	return 0;
 }
 
-static void br_shutdown(void)
+void br_shutdown(void)
 {
 	close(br_socket_fd);
 	br_socket_fd = -1;
@@ -79,105 +85,18 @@ static int new_foreach_bridge(int (*iterator)(const char *name, void *),
 }
 
 /*
- * Old interface uses ioctl
- */
-static int old_foreach_bridge(int (*iterator)(const char *, void *), 
-			      void *iarg)
-{
-	int i, ret=0, num;
-	char ifname[IFNAMSIZ];
-	int ifindices[MAX_BRIDGES];
-	unsigned long args[3] = { BRCTL_GET_BRIDGES, 
-				 (unsigned long)ifindices, MAX_BRIDGES };
-
-	num = ioctl(br_socket_fd, SIOCGIFBR, args);
-	if (num < 0) {
-		dprintf("Get bridge indices failed: %s\n",
-			strerror(errno));
-		return -errno;
-	}
-
-	for (i = 0; i < num; i++) {
-		if (!if_indextoname(ifindices[i], ifname)) {
-			dprintf("get find name for ifindex %d\n",
-				ifindices[i]);
-			return -errno;
-		}
-
-		++ret;
-		if(iterator(ifname, iarg)) 
-			break;
-	}
-
-	return ret;
-
-}
-
-/*
  * Go over all bridges and call iterator function.
  * if iterator returns non-zero then stop.
  */
-static int br_foreach_bridge(int (*iterator)(const char *, void *), 
-		     void *arg)
+int br_foreach_bridge(int (*iterator)(const char *, void *), void *arg)
 {
-	int ret;
-
-	ret = new_foreach_bridge(iterator, arg);
-	if (ret <= 0)
-		ret = old_foreach_bridge(iterator, arg);
-
-	return ret;
-}
-
-/* 
- * Only used if sysfs is not available.
- */
-static int old_foreach_port(const char *brname,
-			    int (*iterator)(const char *br, const char *port, 
-					    void *arg),
-			    void *arg)
-{
-	int i, err, count;
-	struct ifreq ifr;
-	char ifname[IFNAMSIZ];
-	int ifindices[MAX_PORTS];
-	unsigned long args[4] = { BRCTL_GET_PORT_LIST,
-				  (unsigned long)ifindices, MAX_PORTS, 0 };
-
-	memset(ifindices, 0, sizeof(ifindices));
-	strncpy(ifr.ifr_name, brname, IFNAMSIZ);
-	ifr.ifr_data = (char *) &args;
-
-	err = ioctl(br_socket_fd, SIOCDEVPRIVATE, &ifr);
-	if (err < 0) {
-		dprintf("list ports for bridge:'%s' failed: %s\n",
-			brname, strerror(errno));
-		return -errno;
-	}
-
-	count = 0;
-	for (i = 0; i < MAX_PORTS; i++) {
-		if (!ifindices[i])
-			continue;
-
-		if (!if_indextoname(ifindices[i], ifname)) {
-			dprintf("can't find name for ifindex:%d\n",
-				ifindices[i]);
-			continue;
-		}
-
-		++count;
-		if (iterator(brname, ifname, arg))
-			break;
-	}
-
-	return count;
+	return new_foreach_bridge(iterator, arg);
 }
 
 /*
  * Iterate over all ports in bridge (using sysfs).
  */
-static int br_foreach_port(const char *brname,
+int br_foreach_port(const char *brname,
 		    int (*iterator)(const char *br, const char *port, void *arg),
 		    void *arg)
 {
@@ -187,8 +106,6 @@ static int br_foreach_port(const char *brname,
 
 	snprintf(path, SYSFS_PATH_MAX, SYSFS_CLASS_NET "%s/brif", brname);
 	count = scandir(path, &namelist, 0, alphasort);
-	if (count < 0)
-		return old_foreach_port(brname, iterator, arg);
 
 	for (i = 0; i < count; i++) {
 		if (namelist[i]->d_name[0] == '.'
@@ -206,3 +123,5 @@ static int br_foreach_port(const char *brname,
 
 	return count;
 }
+
+#endif