vr_datapath.h

/*
 * vr_datapath.h
 *
 * Copyright (c) 2014 Juniper Networks, Inc. All rights reserved.
 */
#ifndef __VR_DATAPATH_H__
#define __VR_DATAPATH_H__

#include "vr_packet.h"

static inline bool
well_known_mac(unsigned char *dmac)
{
    unsigned char vr_well_known_mac_infix[] = { 0x80, 0xc2 };
    if (!memcmp(&dmac[VR_ETHER_PROTO_MAC_OFF], vr_well_known_mac_infix,
                            VR_ETHER_PROTO_MAC_LEN)) 
        if (!*dmac || (*dmac == 0x1))
            return true;

    return false;
}

unsigned int vr_virtual_input(unsigned short, struct vr_interface *,
                              struct vr_packet *, unsigned short);
unsigned int vr_fabric_input(struct vr_interface *, struct vr_packet *,
                             unsigned short);

int vr_l3_input(struct vr_packet *, struct vr_forwarding_md *);
int vr_l2_input(struct vr_packet *, struct vr_forwarding_md *);
int vr_arp_input(struct vr_packet *, struct vr_forwarding_md *, unsigned char *);
int vr_ip_input(struct vrouter *, struct vr_packet *,
                struct vr_forwarding_md *);
int vr_neighbor_input(struct vr_packet *, struct vr_forwarding_md *,
        unsigned char *);
int vr_ip6_input(struct vrouter *, struct vr_packet *,
                 struct vr_forwarding_md *);
extern void vr_ip_update_csum(struct vr_packet *, unsigned int, unsigned int);
extern uint16_t vr_icmp6_checksum(struct vr_ip6 *, struct vr_icmp *);

int vr_untag_pkt(struct vr_packet *);
int vr_tag_pkt(struct vr_packet *, unsigned short);
void vr_vlan_set_priority(struct vr_packet *);
int vr_pkt_type(struct vr_packet *, unsigned short, struct vr_forwarding_md *);

int vr_trap(struct vr_packet *, unsigned short, unsigned short, void *);
extern int vr_forward(struct vrouter *, struct vr_packet *,
                      struct vr_forwarding_md *);
unsigned int
vr_bridge_input(struct vrouter *, struct vr_packet *,
                                    struct vr_forwarding_md *);
extern struct vr_nexthop *(*vr_bridge_lookup)(unsigned int,
                struct vr_route_req *);
extern unsigned short vr_bridge_route_flags(unsigned int, unsigned char *);

mac_response_t vr_get_proxy_mac(struct vr_packet *, struct vr_forwarding_md *,
                struct vr_route_req *, unsigned char *);
mac_response_t vm_arp_request(struct vr_interface *, struct vr_packet *,
        struct vr_forwarding_md *, unsigned char *);
mac_response_t vm_neighbor_request(struct vr_interface *, struct vr_packet *,
        struct vr_forwarding_md *, unsigned char *);
extern int vif_plug_mac_request(struct vr_interface *, struct vr_packet *,
        struct vr_forwarding_md *);
int vr_gro_input(struct vr_packet *, struct vr_nexthop *);
void vr_mac_reply_send(struct vr_packet *, struct vr_forwarding_md *);



#endif /* __VR_DATAPATH_H__ */