Add veth (#4312), thanks Raphael

git-svn-id: svn://svn.openwrt.org/openwrt/packages@13576 3c298f89-4303-0410-b956-a3cf2f4a3e73
2008-12-10 01:20:55 +00:00
parent 22bbd87042
commit d01b379857
3 changed files with 94 additions and 0 deletions
--- a/net/veth/patches/200-drop-multicast.patch
+++ b/net/veth/patches/200-drop-multicast.patch
@ -0,0 +1,32 @@
+diff -pNur veth-1.0/veth/vethd.c veth-1.0/veth/vethd.c
+--- veth-1.0/veth/vethd.c	2008-11-14 10:59:50.000000000 +0100
+++ veth-1.0/veth/vethd.c	2008-11-24 11:24:45.000000000 +0100
+@@ -29,6 +29,7 @@
+ #include <linux/if_ether.h>
+ #include <linux/if_packet.h>
+ #include <linux/if_tun.h>
+#include <net/ethernet.h>
+ 
+ #define max(a,b) ((a)>(b) ? (a):(b))
+ 
+@@ -223,6 +224,7 @@ int main(int argc, char **argv)
+ 
+ 	int vfd, nfd, leidos, opc, foreground = 0;
+ 	fd_set fds;
+	struct ether_header const* const ether_hdr = (struct ether_header const *)buffer;
+ 
+ 	set_locale();
+ 	show_copyright();
+@@ -356,7 +358,11 @@ int main(int argc, char **argv)
+ 				perror("Error reading from ethernet interface");
+ 				return 2;
+ 			}
+-			write(vfd, buffer, leidos);
+			/* drop multicast and ppp session */
+			if (!(ether_hdr->ether_dhost[0] == 0x01)
+			   && (ether_hdr->ether_type != htons(ETH_P_PPP_SES))) {
+				write(vfd, buffer, leidos);
+			}
+ 		}
+ 		FD_ZERO(&fds);
+ 		FD_SET(nfd, &fds);