Resurrect tcptrace

This port has been deleted on 2019-10-16 as un-fetchable, but there is a
repository on GitHub that provides a slightly later version than that of
the deleted port.

Approved by:	antoine (mentor)

1 files changed, 17 insertions, 0 deletions

diff --git a/net/tcptrace/files/patch-tcpdump.c b/net/tcptrace/files/patch-tcpdump.c
new file mode 100644
index 000000000000..f82fb83b2b38
--- /dev/null
+++ b/net/tcptrace/files/patch-tcpdump.c
@@ -0,0 +1,17 @@
+--- tcpdump.c.orig	2013-07-01 18:43:14 UTC
++++ tcpdump.c
+@@ -114,10 +114,13 @@ static int callback(
+ 	/* for some reason, the windows version of tcpdump is using */
+ 	/* this.  It looks just like ethernet to me */
+       case PCAP_DLT_EN10MB:
+-	offset = find_ip_eth(buf); /* Here we check if we are dealing with Straight Ethernet encapsulation or PPPoE */
++	offset = find_ip_eth(buf); /* Here we check if we are dealing with Straight Ethernet encapsulation, PPPoE or .1q VLAN encapsulation */
+ 	memcpy(&eth_header, buf, EH_SIZE); /* save ether header */
+ 	switch (offset)
+ 	{
++		case EH_SIZE + ETHER_VLAN_ENCAP_LEN:
++			memcpy(&eth_header.ether_type, buf+EH_SIZE+2, 2);
++			/* FALLTHROUGH */
+ 		case EH_SIZE: /* straight Ethernet encapsulation */
+ 			memcpy((char *)ip_buf,buf+offset,iplen-offset);
+ 			callback_plast = ip_buf+iplen-offset-1;