mirror of
https://github.com/openvswitch/ovs
synced 2025-10-25 15:07:05 +00:00
aca40d4f49
Throughout the years, changes in netdev vport have removed the need for some of the headers, like shash, hmap, and many others. With the recent split of push/pop code, less headers are needed in each of the two modules. Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@redhat.com> Signed-off-by: Jesse Gross <jesse@kernel.org>
110 lines
3.3 KiB
C
110 lines
3.3 KiB
C
/*
|
|
* Copyright (c) 2010, 2011, 2013, 2015 Nicira, Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at:
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef NETDEV_VPORT_NATIVE_TNL_H
|
|
#define NETDEV_VPORT_NATIVE_TNL_H 1
|
|
|
|
#include <stdbool.h>
|
|
#include <stddef.h>
|
|
#include "compiler.h"
|
|
#include "dp-packet.h"
|
|
#include "packets.h"
|
|
#include "unixctl.h"
|
|
|
|
struct netdev;
|
|
struct ovs_action_push_tnl;
|
|
struct netdev_tnl_build_header_params;
|
|
|
|
int
|
|
netdev_gre_build_header(const struct netdev *netdev,
|
|
struct ovs_action_push_tnl *data,
|
|
const struct netdev_tnl_build_header_params *params);
|
|
|
|
void
|
|
netdev_gre_push_header(struct dp_packet *packet,
|
|
const struct ovs_action_push_tnl *data);
|
|
struct dp_packet *
|
|
netdev_gre_pop_header(struct dp_packet *packet);
|
|
|
|
void
|
|
netdev_tnl_push_udp_header(struct dp_packet *packet,
|
|
const struct ovs_action_push_tnl *data);
|
|
int
|
|
netdev_geneve_build_header(const struct netdev *netdev,
|
|
struct ovs_action_push_tnl *data,
|
|
const struct netdev_tnl_build_header_params *params);
|
|
|
|
struct dp_packet *
|
|
netdev_geneve_pop_header(struct dp_packet *packet);
|
|
|
|
int
|
|
netdev_vxlan_build_header(const struct netdev *netdev,
|
|
struct ovs_action_push_tnl *data,
|
|
const struct netdev_tnl_build_header_params *params);
|
|
|
|
struct dp_packet *
|
|
netdev_vxlan_pop_header(struct dp_packet *packet);
|
|
|
|
static inline bool
|
|
netdev_tnl_is_header_ipv6(const void *header)
|
|
{
|
|
const struct eth_header *eth;
|
|
eth = header;
|
|
return eth->eth_type == htons(ETH_TYPE_IPV6);
|
|
}
|
|
|
|
static inline struct ip_header *
|
|
netdev_tnl_ip_hdr(void *eth)
|
|
{
|
|
return (void *)((char *)eth + sizeof (struct eth_header));
|
|
}
|
|
|
|
static inline struct ovs_16aligned_ip6_hdr *
|
|
netdev_tnl_ipv6_hdr(void *eth)
|
|
{
|
|
return (void *)((char *)eth + sizeof (struct eth_header));
|
|
}
|
|
|
|
void *
|
|
netdev_tnl_ip_build_header(struct ovs_action_push_tnl *data,
|
|
const struct netdev_tnl_build_header_params *params,
|
|
uint8_t next_proto);
|
|
|
|
extern uint16_t tnl_udp_port_min;
|
|
extern uint16_t tnl_udp_port_max;
|
|
|
|
static inline ovs_be16
|
|
netdev_tnl_get_src_port(struct dp_packet *packet)
|
|
{
|
|
uint32_t hash;
|
|
|
|
hash = dp_packet_get_rss_hash(packet);
|
|
|
|
return htons((((uint64_t) hash * (tnl_udp_port_max - tnl_udp_port_min)) >> 32) +
|
|
tnl_udp_port_min);
|
|
}
|
|
|
|
void *
|
|
netdev_tnl_ip_extract_tnl_md(struct dp_packet *packet, struct flow_tnl *tnl,
|
|
unsigned int *hlen);
|
|
void *
|
|
netdev_tnl_push_ip_header(struct dp_packet *packet,
|
|
const void *header, int size, int *ip_tot_size);
|
|
void
|
|
netdev_tnl_egress_port_range(struct unixctl_conn *conn, int argc,
|
|
const char *argv[], void *aux OVS_UNUSED);
|
|
#endif
|