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output traffic is now masqueraded depending on EPC config file if epc run on same host than eNB.!!@@@###%&!?!!!

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git-svn-id: http://svn.eurecom.fr/openair4G/trunk@6250 818b1a75-f10b-46b9-bf7c-635c3b92a50f
This commit is contained in:
Lionel Gauthier
2014-12-11 16:22:23 +00:00
parent 4a52003ae0
commit 5708ab1723
1 changed files with 36 additions and 5 deletions
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openair-cn/GTPV1-U/GTPURH/xt_GTPURH.c
+36 -5
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@@ -18,9 +18,9 @@
#include <linux/ip.h>
#include <linux/route.h>
#include <net/checksum.h>
#include <net/ip.h>
#include <net/udp.h>
#include <net/inet_sock.h>
#include <net/ip.h>
#include <net/route.h>
#include <linux/netfilter/x_tables.h>
#include <linux/netfilter_ipv4/ip_tables.h>
@@ -29,7 +29,7 @@
#endif
#define ROUTE_PACKET 1
//#define ROUTE_PACKET 1
#include "xt_GTPURH.h"
@@ -369,8 +369,8 @@ static bool _gtpurh_route_packet(struct sk_buff *skb_pP, const struct xt_gtpurh_
}
}
};
skb_pP->pkt_type = PACKET_OTHERHOST;
//skb_pP->pkt_type = PACKET_OTHERHOST;
skb_pP->pkt_type = PACKET_OUTGOING;
#if 1
pr_info("GTPURH(%d): Routing packet: %d.%d.%d.%d --> %d.%d.%d.%d Proto: %d, Len: %d Mark: %u Packet type: %u\n",
info_pP->action,
@@ -696,13 +696,44 @@ _gtpurh_target_rem(struct sk_buff *orig_skb_pP, const struct xt_gtpurh_target_in
}
}
//#endif
pr_info("GTPURH(%d) IP packet prcessed\n",tgi_pP->action);
pr_info("GTPURH(%d) IP packet processed\n",tgi_pP->action);
/* Route the packet */
#if defined(ROUTE_PACKET)
_gtpurh_route_packet(skb_p, tgi_pP);
return NF_DROP;
#else
{
int err = 0;
struct rtable *rt = NULL;
int daddr = iph2_p->daddr;
struct flowi fl = {
.u = {
.ip4 = {
.daddr = daddr,
.flowi4_tos = RT_TOS(iph2_p->tos),
.flowi4_scope = RT_SCOPE_UNIVERSE,
}
}
};
rt = ip_route_output_key(&init_net, &fl.u.ip4);
if (rt == NULL)
{
pr_info("GTPURH: Failed to route packet to dst 0x%x. Error: (%d)", fl.u.ip4.daddr, err);
return NF_DROP;
}
#if 1
if (rt->dst.dev) {
pr_info("GTPURH: dst dev name %s\n", rt->dst.dev->name);
} else {
pr_info("GTPURH: dst dev NULL\n");
}
#endif
skb_dst_drop(skb_p);
skb_dst_set(skb_p, &rt->dst);
skb_p->dev = skb_dst(skb_p)->dev;
}
return NF_ACCEPT;
#endif
}