1 files changed, 78 insertions, 0 deletions
diff --git a/obsolete-buildroot/sources/openwrt/patches/ppp/057_pppoe-interface-change b/obsolete-buildroot/sources/openwrt/patches/ppp/057_pppoe-interface-change
new file mode 100644
index 000000000..cca5a0e67
--- /dev/null
+++ b/obsolete-buildroot/sources/openwrt/patches/ppp/057_pppoe-interface-change
@@ -0,0 +1,78 @@
+--- ppp/pppd/plugins/rp-pppoe/plugin.c.orig	2003-04-07 02:09:05.000000000 +0200
++++ ppp/pppd/plugins/rp-pppoe/plugin.c	2003-12-03 22:15:07.000000000 +0100
+@@ -114,6 +114,57 @@
+     return 1;
+ }
+ 
++/* from <linux/if.h> */
++#define IFF_UP          0x1
++#define IFF_RUNNING     0x40
++
++static short ifrflags_old;
++
++static int interface_change(const char* ifname, int up)
++{
++    int fd;
++    struct ifreq ifr;
++
++    if (!up && ifrflags_old != 0) {
++        return 0;
++    }
++
++    fd = socket(AF_INET, SOCK_DGRAM, 0);
++    if (fd < 0) {
++	warn("socket(AF_INET, SOCK_DGRAM, 0): %s", strerror(errno));
++	return -1;
++    }
++
++    strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
++    if (ioctl(fd, SIOCGIFFLAGS, &ifr) < 0) {
++	warn("%s: unknown interface: %s", ifname, strerror(errno));
++	return -1;
++    }
++    strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
++    if (up) {
++        ifrflags_old = ifr.ifr_flags & (IFF_UP | IFF_RUNNING);
++	ifr.ifr_flags |= (IFF_UP | IFF_RUNNING);
++    } else {
++        ifr.ifr_flags &= ~(IFF_UP | IFF_RUNNING);
++    }
++    if (ioctl(fd, SIOCSIFFLAGS, &ifr) < 0) {
++	warn("SIOCSIFFLAGS: %s", strerror(errno));
++	return -1;
++    }
++    close(fd);
++    return 0;
++}
++
++static int interface_up (const char *ifname)
++{
++    return interface_change(ifname,1);
++}
++
++static int interface_down (const char* ifname)
++{
++    return interface_change(ifname,0);
++}
++
+ /**********************************************************************
+  * %FUNCTION: PPPOEConnectDevice
+  * %ARGUMENTS:
+@@ -142,6 +193,8 @@
+ 	    conn->peerEth[i] = (unsigned char) mac[i];
+ 	}
+     } else {
++	if (interface_up(conn->ifName) < 0)
++	    return -1;
+ 	discovery(conn);
+ 	if (conn->discoveryState != STATE_SESSION) {
+ 	    fatal("Unable to complete PPPoE Discovery");
+@@ -243,6 +296,8 @@
+ 	return;
+     }
+     close(conn->sessionSocket);
++    if (interface_down(conn->ifName) < 0)
++	warn("We brought %s up but failed to take it down",conn->ifName);
+ }
+ 
+ static void