gtpip.c File Reference

#include "gtpip.h"
#include "../core/logger.h"
#include "face.h"

Typedefs
typedef enum __rte_packed_begin ExtractResult	ExtractResult

Enumerations
enum	{   UlHdrLenBase , UlHdrLenIpv4 = UlHdrLenBase + sizeof(struct rte_ipv4_hdr) , UlHdrLenVlanIpv4 = UlHdrLenIpv4 + sizeof(struct rte_vlan_hdr) , UlHdrLenIpv6 = UlHdrLenBase + sizeof(struct rte_ipv6_hdr) ,   UlHdrLenVlanIpv6 = UlHdrLenIpv6 + sizeof(struct rte_vlan_hdr) }

Functions
	N_LOG_INIT (EthGtpip)
uint64_t	EthGtpip_ProcessDownlinkBulk (EthGtpip *g, struct rte_mbuf *pkts[], uint32_t count)
	Process downlink packets.
uint64_t	EthGtpip_ProcessUplinkBulk (EthGtpip *g, struct rte_mbuf *pkts[], uint32_t count)
	Process uplink packets.

Variables
	ExtractResultNone
	ExtractResultIPv4
	ExtractResultFaceID

Typedef Documentation

ExtractResult

enum __rte_packed_begin ExtractResult

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
UlHdrLenBase
UlHdrLenIpv4
UlHdrLenVlanIpv4
UlHdrLenIpv6
UlHdrLenVlanIpv6

Function Documentation

EthGtpip_ProcessDownlinkBulk()

uint64_t EthGtpip_ProcessDownlinkBulk	(	EthGtpip *	g,
		struct rte_mbuf *	pkts[],
		uint32_t	count )

Process downlink packets.

Parameters

pkts	Ethernet frames received on N6 interface.
count	quantity of pkts , maximum is 64.

Returns

bitset of accepted packets.

If a packet carries IP traffic that matches a known UE in g , its Ethernet header is removed and then the packet is encapsulated in GTP-U tunnel by prepending outer Ethernet + outer IP + outer UDP + GTPv1 headers.

EthGtpip_ProcessUplinkBulk()

uint64_t EthGtpip_ProcessUplinkBulk	(	EthGtpip *	g,
		struct rte_mbuf *	pkts[],
		uint32_t	count )

Process uplink packets.

Parameters

pkts	Ethernet frames received on N3 interface.
count	quantity of pkts , maximum is 64.

Returns

bitset of accepted packets.

If a packet carries GTP-U traffic that matches a known UE in g , its outer Ethernet + outer IP + outer UDP + GTPv1 headers are removed, and then a new Ethernet header is prepended.

N_LOG_INIT()

N_LOG_INIT

(

EthGtpip

)

Variable Documentation

ExtractResultFaceID

ExtractResultFaceID

ExtractResultIPv4

ExtractResultIPv4

ExtractResultNone

ExtractResultNone