Google Git
Sign in
android/platform/external/libnl/df875e2920cc4165f25a00a40fc0b569528c771b/./lib/route/link/vxlan.c
blob: 4606dd5f56e4248cf26fe13bf90b53cdbf3b906f [file]
/* SPDX-License-Identifier: LGPL-2.1-only */
/*
* Copyright (c) 2013 Yasunobu Chiba <[email protected]>
*/
/**
* @ingroup link
* @defgroup vxlan VXLAN
* Virtual eXtensible Local Area Network link module
*
* @details
* \b Link Type Name: "vxlan"
*
* @route_doc{link_vxlan, VXLAN Documentation}
*
* @{
*/
#include "nl-default.h"
#include <linux/if_link.h>
#include <netlink/netlink.h>
#include <netlink/attr.h>
#include <netlink/utils.h>
#include <netlink/object.h>
#include <netlink/route/rtnl.h>
#include <netlink/route/link/vxlan.h>
#include "nl-route.h"
#include "link-api.h"
/** @cond SKIP */
#define VXLAN_ATTR_ID (1<<0)
#define VXLAN_ATTR_GROUP (1<<1)
#define VXLAN_ATTR_LINK (1<<2)
#define VXLAN_ATTR_LOCAL (1<<3)
#define VXLAN_ATTR_TTL (1<<4)
#define VXLAN_ATTR_TOS (1<<5)
#define VXLAN_ATTR_LEARNING (1<<6)
#define VXLAN_ATTR_AGEING (1<<7)
#define VXLAN_ATTR_LIMIT (1<<8)
#define VXLAN_ATTR_PORT_RANGE (1<<9)
#define VXLAN_ATTR_PROXY (1<<10)
#define VXLAN_ATTR_RSC (1<<11)
#define VXLAN_ATTR_L2MISS (1<<12)
#define VXLAN_ATTR_L3MISS (1<<13)
#define VXLAN_ATTR_GROUP6 (1<<14)
#define VXLAN_ATTR_LOCAL6 (1<<15)
#define VXLAN_ATTR_PORT (1<<16)
#define VXLAN_ATTR_UDP_CSUM (1<<17)
#define VXLAN_ATTR_UDP_ZERO_CSUM6_TX (1<<18)
#define VXLAN_ATTR_UDP_ZERO_CSUM6_RX (1<<19)
#define VXLAN_ATTR_REMCSUM_TX (1<<20)
#define VXLAN_ATTR_REMCSUM_RX (1<<21)
#define VXLAN_ATTR_COLLECT_METADATA (1<<22)
#define VXLAN_ATTR_LABEL (1<<23)
#define VXLAN_ATTR_FLAGS (1<<24)
struct vxlan_info
{
uint32_t vxi_id;
uint32_t vxi_group;
struct in6_addr vxi_group6;
uint32_t vxi_link;
uint32_t vxi_local;
struct in6_addr vxi_local6;
uint8_t vxi_ttl;
uint8_t vxi_tos;
uint8_t vxi_learning;
uint8_t vxi_flags;
uint32_t vxi_ageing;
uint32_t vxi_limit;
struct ifla_vxlan_port_range vxi_port_range;
uint8_t vxi_proxy;
uint8_t vxi_rsc;
uint8_t vxi_l2miss;
uint8_t vxi_l3miss;
uint16_t vxi_port;
uint8_t vxi_udp_csum;
uint8_t vxi_udp_zero_csum6_tx;
uint8_t vxi_udp_zero_csum6_rx;
uint8_t vxi_remcsum_tx;
uint8_t vxi_remcsum_rx;
uint8_t vxi_collect_metadata;
uint32_t vxi_label;
uint32_t ce_mask;
};
/** @endcond */
static struct nla_policy vxlan_policy[IFLA_VXLAN_MAX+1] = {
[IFLA_VXLAN_ID] = { .type = NLA_U32 },
[IFLA_VXLAN_GROUP] = { .minlen = sizeof(uint32_t) },
[IFLA_VXLAN_GROUP6] = { .minlen = sizeof(struct in6_addr) },
[IFLA_VXLAN_LINK] = { .type = NLA_U32 },
[IFLA_VXLAN_LOCAL] = { .minlen = sizeof(uint32_t) },
[IFLA_VXLAN_LOCAL6] = { .minlen = sizeof(struct in6_addr) },
[IFLA_VXLAN_TTL] = { .type = NLA_U8 },
[IFLA_VXLAN_TOS] = { .type = NLA_U8 },
[IFLA_VXLAN_LABEL] = { .type = NLA_U32 },
[IFLA_VXLAN_LEARNING] = { .type = NLA_U8 },
[IFLA_VXLAN_AGEING] = { .type = NLA_U32 },
[IFLA_VXLAN_LIMIT] = { .type = NLA_U32 },
[IFLA_VXLAN_PORT_RANGE] = { .minlen = sizeof(struct ifla_vxlan_port_range) },
[IFLA_VXLAN_PROXY] = { .type = NLA_U8 },
[IFLA_VXLAN_RSC] = { .type = NLA_U8 },
[IFLA_VXLAN_L2MISS] = { .type = NLA_U8 },
[IFLA_VXLAN_L3MISS] = { .type = NLA_U8 },
[IFLA_VXLAN_COLLECT_METADATA] = { .type = NLA_U8 },
[IFLA_VXLAN_PORT] = { .type = NLA_U16 },
[IFLA_VXLAN_UDP_CSUM] = { .type = NLA_U8 },
[IFLA_VXLAN_UDP_ZERO_CSUM6_TX] = { .type = NLA_U8 },
[IFLA_VXLAN_UDP_ZERO_CSUM6_RX] = { .type = NLA_U8 },
[IFLA_VXLAN_REMCSUM_TX] = { .type = NLA_U8 },
[IFLA_VXLAN_REMCSUM_RX] = { .type = NLA_U8 },
[IFLA_VXLAN_GBP] = { .type = NLA_FLAG, },
[IFLA_VXLAN_GPE] = { .type = NLA_FLAG, },
[IFLA_VXLAN_REMCSUM_NOPARTIAL] = { .type = NLA_FLAG },
};
static int vxlan_alloc(struct rtnl_link *link)
{
struct vxlan_info *vxi;
if (link->l_info)
memset(link->l_info, 0, sizeof(*vxi));
else {
if ((vxi = calloc(1, sizeof(*vxi))) == NULL)
return -NLE_NOMEM;
link->l_info = vxi;
}
return 0;
}
static int vxlan_parse(struct rtnl_link *link, struct nlattr *data,
struct nlattr *xstats)
{
struct nlattr *tb[IFLA_VXLAN_MAX+1];
struct vxlan_info *vxi;
int err;
NL_DBG(3, "Parsing VXLAN link info\n");
if ((err = nla_parse_nested(tb, IFLA_VXLAN_MAX, data, vxlan_policy)) < 0)
goto errout;
if ((err = vxlan_alloc(link)) < 0)
goto errout;
vxi = link->l_info;
if (tb[IFLA_VXLAN_ID]) {
vxi->vxi_id = nla_get_u32(tb[IFLA_VXLAN_ID]);
vxi->ce_mask |= VXLAN_ATTR_ID;
}
if (tb[IFLA_VXLAN_GROUP6]) {
nla_memcpy(&vxi->vxi_group6, tb[IFLA_VXLAN_GROUP6],
sizeof(vxi->vxi_group6));
vxi->ce_mask |= VXLAN_ATTR_GROUP6;
}
if (tb[IFLA_VXLAN_GROUP]) {
nla_memcpy(&vxi->vxi_group, tb[IFLA_VXLAN_GROUP],
sizeof(vxi->vxi_group));
vxi->ce_mask |= VXLAN_ATTR_GROUP;
vxi->ce_mask &= ~VXLAN_ATTR_GROUP6;
}
if (tb[IFLA_VXLAN_LINK]) {
vxi->vxi_link = nla_get_u32(tb[IFLA_VXLAN_LINK]);
vxi->ce_mask |= VXLAN_ATTR_LINK;
}
if (tb[IFLA_VXLAN_LOCAL6]) {
nla_memcpy(&vxi->vxi_local6, tb[IFLA_VXLAN_LOCAL6],
sizeof(vxi->vxi_local6));
vxi->ce_mask |= VXLAN_ATTR_LOCAL6;
}
if (tb[IFLA_VXLAN_LOCAL]) {
nla_memcpy(&vxi->vxi_local, tb[IFLA_VXLAN_LOCAL],
sizeof(vxi->vxi_local));
vxi->ce_mask |= VXLAN_ATTR_LOCAL;
vxi->ce_mask &= ~VXLAN_ATTR_LOCAL6;
}
if (tb[IFLA_VXLAN_TTL]) {
vxi->vxi_ttl = nla_get_u8(tb[IFLA_VXLAN_TTL]);
vxi->ce_mask |= VXLAN_ATTR_TTL;
}
if (tb[IFLA_VXLAN_TOS]) {
vxi->vxi_tos = nla_get_u8(tb[IFLA_VXLAN_TOS]);
vxi->ce_mask |= VXLAN_ATTR_TOS;
}
if (tb[IFLA_VXLAN_LEARNING]) {
vxi->vxi_learning = nla_get_u8(tb[IFLA_VXLAN_LEARNING]);
vxi->ce_mask |= VXLAN_ATTR_LEARNING;
}
if (tb[IFLA_VXLAN_AGEING]) {
vxi->vxi_ageing = nla_get_u32(tb[IFLA_VXLAN_AGEING]);
vxi->ce_mask |= VXLAN_ATTR_AGEING;
}
if (tb[IFLA_VXLAN_LIMIT]) {
vxi->vxi_limit = nla_get_u32(tb[IFLA_VXLAN_LIMIT]);
vxi->ce_mask |= VXLAN_ATTR_LIMIT;
}
if (tb[IFLA_VXLAN_PORT_RANGE]) {
nla_memcpy(&vxi->vxi_port_range, tb[IFLA_VXLAN_PORT_RANGE],
sizeof(vxi->vxi_port_range));
vxi->ce_mask |= VXLAN_ATTR_PORT_RANGE;
}
if (tb[IFLA_VXLAN_PROXY]) {
vxi->vxi_proxy = nla_get_u8(tb[IFLA_VXLAN_PROXY]);
vxi->ce_mask |= VXLAN_ATTR_PROXY;
}
if (tb[IFLA_VXLAN_RSC]) {
vxi->vxi_rsc = nla_get_u8(tb[IFLA_VXLAN_RSC]);
vxi->ce_mask |= VXLAN_ATTR_RSC;
}
if (tb[IFLA_VXLAN_L2MISS]) {
vxi->vxi_l2miss = nla_get_u8(tb[IFLA_VXLAN_L2MISS]);
vxi->ce_mask |= VXLAN_ATTR_L2MISS;
}
if (tb[IFLA_VXLAN_L3MISS]) {
vxi->vxi_l3miss = nla_get_u8(tb[IFLA_VXLAN_L3MISS]);
vxi->ce_mask |= VXLAN_ATTR_L3MISS;
}
if (tb[IFLA_VXLAN_PORT]) {
vxi->vxi_port = nla_get_u16(tb[IFLA_VXLAN_PORT]);
vxi->ce_mask |= VXLAN_ATTR_PORT;
}
if (tb[IFLA_VXLAN_UDP_CSUM]) {
vxi->vxi_udp_csum = nla_get_u8(tb[IFLA_VXLAN_UDP_CSUM]);
vxi->ce_mask |= VXLAN_ATTR_UDP_CSUM;
}
if (tb[IFLA_VXLAN_UDP_ZERO_CSUM6_TX]) {
vxi->vxi_udp_zero_csum6_tx = nla_get_u8(tb[IFLA_VXLAN_UDP_ZERO_CSUM6_TX]);
vxi->ce_mask |= VXLAN_ATTR_UDP_ZERO_CSUM6_TX;
}
if (tb[IFLA_VXLAN_UDP_ZERO_CSUM6_RX]) {
vxi->vxi_udp_zero_csum6_rx = nla_get_u8(tb[IFLA_VXLAN_UDP_ZERO_CSUM6_RX]);
vxi->ce_mask |= VXLAN_ATTR_UDP_ZERO_CSUM6_RX;
}
if (tb[IFLA_VXLAN_REMCSUM_TX]) {
vxi->vxi_remcsum_tx = nla_get_u8(tb[IFLA_VXLAN_REMCSUM_TX]);
vxi->ce_mask |= VXLAN_ATTR_REMCSUM_TX;
}
if (tb[IFLA_VXLAN_REMCSUM_RX]) {
vxi->vxi_remcsum_rx = nla_get_u8(tb[IFLA_VXLAN_REMCSUM_RX]);
vxi->ce_mask |= VXLAN_ATTR_REMCSUM_RX;
}
if (tb[IFLA_VXLAN_GBP])
vxi->vxi_flags |= RTNL_LINK_VXLAN_F_GBP;
if (tb[IFLA_VXLAN_REMCSUM_NOPARTIAL])
vxi->vxi_flags |= RTNL_LINK_VXLAN_F_REMCSUM_NOPARTIAL;
if (tb[IFLA_VXLAN_COLLECT_METADATA]) {
vxi->vxi_collect_metadata = nla_get_u8(tb[IFLA_VXLAN_COLLECT_METADATA]);
vxi->ce_mask |= VXLAN_ATTR_COLLECT_METADATA;
}
if (tb[IFLA_VXLAN_LABEL]) {
vxi->vxi_label = nla_get_u32(tb[IFLA_VXLAN_LABEL]);
vxi->ce_mask |= VXLAN_ATTR_LABEL;
}
if (tb[IFLA_VXLAN_GPE])
vxi->vxi_flags |= RTNL_LINK_VXLAN_F_GPE;
err = 0;
errout:
return err;
}
static void vxlan_free(struct rtnl_link *link)
{
struct vxlan_info *vxi = link->l_info;
free(vxi);
link->l_info = NULL;
}
static void vxlan_dump_line(struct rtnl_link *link, struct nl_dump_params *p)
{
struct vxlan_info *vxi = link->l_info;
nl_dump(p, "vxlan-id %u", vxi->vxi_id);
}
static void vxlan_dump_details(struct rtnl_link *link, struct nl_dump_params *p)
{
struct vxlan_info *vxi = link->l_info;
char *name, addr[INET6_ADDRSTRLEN];
struct rtnl_link *parent;
nl_dump_line(p, " vxlan-id %u\n", vxi->vxi_id);
if (vxi->ce_mask & VXLAN_ATTR_GROUP) {
nl_dump(p, " group ");
nl_dump_line(p, "%s\n",
_nl_inet_ntop(AF_INET, &vxi->vxi_group, addr));
} else if (vxi->ce_mask & VXLAN_ATTR_GROUP6) {
nl_dump(p, " group ");
nl_dump_line(p, "%s\n",
_nl_inet_ntop(AF_INET6, &vxi->vxi_group6, addr));
}
if (vxi->ce_mask & VXLAN_ATTR_LINK) {
nl_dump(p, " link ");
name = NULL;
parent = link_lookup(link->ce_cache, vxi->vxi_link);
if (parent)
name = rtnl_link_get_name(parent);
if (name)
nl_dump_line(p, "%s\n", name);
else
nl_dump_line(p, "%u\n", vxi->vxi_link);
}
if (vxi->ce_mask & VXLAN_ATTR_LOCAL) {
nl_dump(p, " local ");
nl_dump_line(p, "%s\n",
_nl_inet_ntop(AF_INET, &vxi->vxi_local, addr));
} else if (vxi->ce_mask & VXLAN_ATTR_LOCAL6) {
nl_dump(p, " local ");
nl_dump_line(p, "%s\n",
_nl_inet_ntop(AF_INET6, &vxi->vxi_local6, addr));
}
if (vxi->ce_mask & VXLAN_ATTR_TTL) {
nl_dump(p, " ttl ");
if(vxi->vxi_ttl)
nl_dump_line(p, "%u\n", vxi->vxi_ttl);
else
nl_dump_line(p, "inherit\n");
}
if (vxi->ce_mask & VXLAN_ATTR_TOS) {
nl_dump(p, " tos ");
if (vxi->vxi_tos == 1)
nl_dump_line(p, "inherit\n");
else
nl_dump_line(p, "%#x\n", vxi->vxi_tos);
}
if (vxi->ce_mask & VXLAN_ATTR_LEARNING) {
nl_dump(p, " learning ");
if (vxi->vxi_learning)
nl_dump_line(p, "enabled (%#x)\n", vxi->vxi_learning);
else
nl_dump_line(p, "disabled\n");
}
if (vxi->ce_mask & VXLAN_ATTR_AGEING) {
nl_dump(p, " ageing ");
if (vxi->vxi_ageing)
nl_dump_line(p, "%u seconds\n", vxi->vxi_ageing);
else
nl_dump_line(p, "disabled\n");
}
if (vxi->ce_mask & VXLAN_ATTR_LIMIT) {
nl_dump(p, " limit ");
if (vxi->vxi_limit)
nl_dump_line(p, "%u\n", vxi->vxi_limit);
else
nl_dump_line(p, "unlimited\n");
}
if (vxi->ce_mask & VXLAN_ATTR_PORT_RANGE)
nl_dump_line(p, " port range %u - %u\n",
ntohs(vxi->vxi_port_range.low),
ntohs(vxi->vxi_port_range.high));
if (vxi->ce_mask & VXLAN_ATTR_PROXY) {
nl_dump(p, " proxy ");
if (vxi->vxi_proxy)
nl_dump_line(p, "enabled (%#x)\n", vxi->vxi_proxy);
else
nl_dump_line(p, "disabled\n");
}
if (vxi->ce_mask & VXLAN_ATTR_RSC) {
nl_dump(p, " rsc ");
if (vxi->vxi_rsc)
nl_dump_line(p, "enabled (%#x)\n", vxi->vxi_rsc);
else
nl_dump_line(p, "disabled\n");
}
if (vxi->ce_mask & VXLAN_ATTR_L2MISS) {
nl_dump(p, " l2miss ");
if (vxi->vxi_l2miss)
nl_dump_line(p, "enabled (%#x)\n", vxi->vxi_l2miss);
else
nl_dump_line(p, "disabled\n");
}
if (vxi->ce_mask & VXLAN_ATTR_L3MISS) {
nl_dump(p, " l3miss ");
if (vxi->vxi_l3miss)
nl_dump_line(p, "enabled (%#x)\n", vxi->vxi_l3miss);
else
nl_dump_line(p, "disabled\n");
}
if (vxi->ce_mask & VXLAN_ATTR_PORT) {
nl_dump(p, " port ");
nl_dump_line(p, "%u\n", ntohs(vxi->vxi_port));
}
if (vxi->ce_mask & VXLAN_ATTR_UDP_CSUM) {
nl_dump(p, " UDP checksums ");
if (vxi->vxi_udp_csum)
nl_dump_line(p, "enabled (%#x)\n", vxi->vxi_udp_csum);
else
nl_dump_line(p, "disabled\n");
}
if (vxi->ce_mask & VXLAN_ATTR_UDP_ZERO_CSUM6_TX) {
nl_dump(p, " udp-zero-csum6-tx ");
if (vxi->vxi_udp_zero_csum6_tx)
nl_dump_line(p, "enabled (%#x)\n", vxi->vxi_udp_zero_csum6_tx);
else
nl_dump_line(p, "disabled\n");
}
if (vxi->ce_mask & VXLAN_ATTR_UDP_ZERO_CSUM6_RX) {
nl_dump(p, " udp-zero-csum6-rx ");
if (vxi->vxi_udp_zero_csum6_rx)
nl_dump_line(p, "enabled (%#x)\n", vxi->vxi_udp_zero_csum6_rx);
else
nl_dump_line(p, "disabled\n");
}
if (vxi->ce_mask & VXLAN_ATTR_REMCSUM_TX) {
nl_dump(p, " remcsum-tx ");
if (vxi->vxi_remcsum_tx)
nl_dump_line(p, "enabled (%#x)\n", vxi->vxi_remcsum_tx);
else
nl_dump_line(p, "disabled\n");
}
if (vxi->ce_mask & VXLAN_ATTR_REMCSUM_RX) {
nl_dump(p, " remcsum-rx ");
if (vxi->vxi_remcsum_rx)
nl_dump_line(p, "enabled (%#x)\n", vxi->vxi_remcsum_rx);
else
nl_dump_line(p, "disabled\n");
}
if (vxi->vxi_flags & RTNL_LINK_VXLAN_F_GBP)
nl_dump(p, " gbp\n");
if (vxi->vxi_flags & RTNL_LINK_VXLAN_F_REMCSUM_NOPARTIAL)
nl_dump(p, " rncsum-nopartial\n");
if (vxi->ce_mask & VXLAN_ATTR_COLLECT_METADATA) {
nl_dump(p, " remcsum-rx ");
if (vxi->vxi_collect_metadata)
nl_dump_line(p, "enabled (%#x)\n", vxi->vxi_collect_metadata);
else
nl_dump_line(p, "disabled\n");
}
if (vxi->ce_mask & VXLAN_ATTR_LABEL) {
nl_dump(p, " label ");
nl_dump_line(p, "%u\n", ntohl(vxi->vxi_label));
}
if (vxi->vxi_flags & RTNL_LINK_VXLAN_F_GPE)
nl_dump(p, " gpe\n");
}
static int vxlan_clone(struct rtnl_link *dst, struct rtnl_link *src)
{
struct vxlan_info *vdst, *vsrc = src->l_info;
int err;
dst->l_info = NULL;
if ((err = rtnl_link_set_type(dst, "vxlan")) < 0)
return err;
vdst = dst->l_info;
if (!vdst || !vsrc)
return -NLE_NOMEM;
memcpy(vdst, vsrc, sizeof(struct vxlan_info));
return 0;
}
static int vxlan_put_attrs(struct nl_msg *msg, struct rtnl_link *link)
{
struct vxlan_info *vxi = link->l_info;
struct nlattr *data;
if (!(data = nla_nest_start(msg, IFLA_INFO_DATA)))
return -NLE_MSGSIZE;
if (vxi->ce_mask & VXLAN_ATTR_ID)
NLA_PUT_U32(msg, IFLA_VXLAN_ID, vxi->vxi_id);
if (vxi->ce_mask & VXLAN_ATTR_GROUP)
NLA_PUT(msg, IFLA_VXLAN_GROUP, sizeof(vxi->vxi_group), &vxi->vxi_group);
if (vxi->ce_mask & VXLAN_ATTR_GROUP6)
NLA_PUT(msg, IFLA_VXLAN_GROUP6, sizeof(vxi->vxi_group6), &vxi->vxi_group6);
if (vxi->ce_mask & VXLAN_ATTR_LINK)
NLA_PUT_U32(msg, IFLA_VXLAN_LINK, vxi->vxi_link);
if (vxi->ce_mask & VXLAN_ATTR_LOCAL)
NLA_PUT(msg, IFLA_VXLAN_LOCAL, sizeof(vxi->vxi_local), &vxi->vxi_local);
if (vxi->ce_mask & VXLAN_ATTR_LOCAL6)
NLA_PUT(msg, IFLA_VXLAN_LOCAL6, sizeof(vxi->vxi_local6), &vxi->vxi_local6);
if (vxi->ce_mask & VXLAN_ATTR_TTL)
NLA_PUT_U8(msg, IFLA_VXLAN_TTL, vxi->vxi_ttl);
if (vxi->ce_mask & VXLAN_ATTR_TOS)
NLA_PUT_U8(msg, IFLA_VXLAN_TOS, vxi->vxi_tos);
if (vxi->ce_mask & VXLAN_ATTR_LEARNING)
NLA_PUT_U8(msg, IFLA_VXLAN_LEARNING, vxi->vxi_learning);
if (vxi->ce_mask & VXLAN_ATTR_AGEING)
NLA_PUT_U32(msg, IFLA_VXLAN_AGEING, vxi->vxi_ageing);
if (vxi->ce_mask & VXLAN_ATTR_LIMIT)
NLA_PUT_U32(msg, IFLA_VXLAN_LIMIT, vxi->vxi_limit);
if (vxi->ce_mask & VXLAN_ATTR_PORT_RANGE)
NLA_PUT(msg, IFLA_VXLAN_PORT_RANGE, sizeof(vxi->vxi_port_range),
&vxi->vxi_port_range);
if (vxi->ce_mask & VXLAN_ATTR_PROXY)
NLA_PUT_U8(msg, IFLA_VXLAN_PROXY, vxi->vxi_proxy);
if (vxi->ce_mask & VXLAN_ATTR_RSC)
NLA_PUT_U8(msg, IFLA_VXLAN_RSC, vxi->vxi_rsc);
if (vxi->ce_mask & VXLAN_ATTR_L2MISS)
NLA_PUT_U8(msg, IFLA_VXLAN_L2MISS, vxi->vxi_l2miss);
if (vxi->ce_mask & VXLAN_ATTR_L3MISS)
NLA_PUT_U8(msg, IFLA_VXLAN_L3MISS, vxi->vxi_l3miss);
if (vxi->ce_mask & VXLAN_ATTR_PORT)
NLA_PUT_U32(msg, IFLA_VXLAN_PORT, vxi->vxi_port);
if (vxi->ce_mask & VXLAN_ATTR_UDP_CSUM)
NLA_PUT_U8(msg, IFLA_VXLAN_UDP_CSUM, vxi->vxi_udp_csum);
if (vxi->ce_mask & VXLAN_ATTR_UDP_ZERO_CSUM6_TX)
NLA_PUT_U8(msg, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, vxi->vxi_udp_zero_csum6_tx);
if (vxi->ce_mask & VXLAN_ATTR_UDP_ZERO_CSUM6_RX)
NLA_PUT_U8(msg, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, vxi->vxi_udp_zero_csum6_rx);
if (vxi->ce_mask & VXLAN_ATTR_REMCSUM_TX)
NLA_PUT_U8(msg, IFLA_VXLAN_REMCSUM_TX, vxi->vxi_remcsum_tx);
if (vxi->ce_mask & VXLAN_ATTR_REMCSUM_RX)
NLA_PUT_U8(msg, IFLA_VXLAN_REMCSUM_RX, vxi->vxi_remcsum_rx);
if (vxi->vxi_flags & RTNL_LINK_VXLAN_F_GBP)
NLA_PUT_FLAG(msg, IFLA_VXLAN_GBP);
if (vxi->vxi_flags & RTNL_LINK_VXLAN_F_REMCSUM_NOPARTIAL)
NLA_PUT_FLAG(msg, IFLA_VXLAN_REMCSUM_NOPARTIAL);
if (vxi->ce_mask & VXLAN_ATTR_COLLECT_METADATA)
NLA_PUT_U8(msg, IFLA_VXLAN_COLLECT_METADATA, vxi->vxi_collect_metadata);
if (vxi->ce_mask & VXLAN_ATTR_LABEL)
NLA_PUT_U32(msg, IFLA_VXLAN_LABEL, vxi->vxi_label);
if (vxi->vxi_flags & RTNL_LINK_VXLAN_F_GPE)
NLA_PUT_FLAG(msg, IFLA_VXLAN_GPE);
nla_nest_end(msg, data);
nla_put_failure:
return 0;
}
static int vxlan_compare(struct rtnl_link *link_a, struct rtnl_link *link_b,
int flags)
{
struct vxlan_info *a = link_a->l_info;
struct vxlan_info *b = link_b->l_info;
int diff = 0;
uint32_t attrs = flags & LOOSE_COMPARISON ? b->ce_mask : ~0;
#define _DIFF(ATTR, EXPR) ATTR_DIFF(attrs, ATTR, a, b, EXPR)
diff |= _DIFF(VXLAN_ATTR_ID, a->vxi_id != b->vxi_id);
diff |= _DIFF(VXLAN_ATTR_GROUP, a->vxi_group != b->vxi_group);
diff |= _DIFF(VXLAN_ATTR_LINK, a->vxi_link != b->vxi_link);
diff |= _DIFF(VXLAN_ATTR_LOCAL, a->vxi_local != b->vxi_local);
diff |= _DIFF(VXLAN_ATTR_TOS, a->vxi_tos != b->vxi_tos);
diff |= _DIFF(VXLAN_ATTR_TTL, a->vxi_ttl != b->vxi_ttl);
diff |= _DIFF(VXLAN_ATTR_LEARNING, a->vxi_learning != b->vxi_learning);
diff |= _DIFF(VXLAN_ATTR_AGEING, a->vxi_ageing != b->vxi_ageing);
diff |= _DIFF(VXLAN_ATTR_LIMIT, a->vxi_limit != b->vxi_limit);
diff |= _DIFF(VXLAN_ATTR_PORT_RANGE,
a->vxi_port_range.low != b->vxi_port_range.low);
diff |= _DIFF(VXLAN_ATTR_PORT_RANGE,
a->vxi_port_range.high != b->vxi_port_range.high);
diff |= _DIFF(VXLAN_ATTR_PROXY, a->vxi_proxy != b->vxi_proxy);
diff |= _DIFF(VXLAN_ATTR_RSC, a->vxi_proxy != b->vxi_proxy);
diff |= _DIFF(VXLAN_ATTR_L2MISS, a->vxi_proxy != b->vxi_proxy);
diff |= _DIFF(VXLAN_ATTR_L3MISS, a->vxi_proxy != b->vxi_proxy);
diff |= _DIFF(VXLAN_ATTR_PORT, a->vxi_port != b->vxi_port);
diff |= _DIFF(VXLAN_ATTR_GROUP6, memcmp(&a->vxi_group6, &b->vxi_group6,
sizeof(a->vxi_group6)) != 0);
diff |= _DIFF(VXLAN_ATTR_LOCAL6, memcmp(&a->vxi_local6, &b->vxi_local6,
sizeof(a->vxi_local6)) != 0);
diff |= _DIFF(VXLAN_ATTR_UDP_CSUM, a->vxi_proxy != b->vxi_proxy);
diff |= _DIFF(VXLAN_ATTR_UDP_ZERO_CSUM6_TX,
a->vxi_proxy != b->vxi_proxy);
diff |= _DIFF(VXLAN_ATTR_UDP_ZERO_CSUM6_RX,
a->vxi_proxy != b->vxi_proxy);
diff |= _DIFF(VXLAN_ATTR_REMCSUM_TX, a->vxi_proxy != b->vxi_proxy);
diff |= _DIFF(VXLAN_ATTR_REMCSUM_RX, a->vxi_proxy != b->vxi_proxy);
diff |= _DIFF(VXLAN_ATTR_COLLECT_METADATA,
a->vxi_collect_metadata != b->vxi_collect_metadata);
diff |= _DIFF(VXLAN_ATTR_LABEL, a->vxi_label != b->vxi_label);
diff |= _DIFF(VXLAN_ATTR_FLAGS, a->vxi_flags != b->vxi_flags);
#undef _DIFF
return diff;
}
static struct rtnl_link_info_ops vxlan_info_ops = {
.io_name = "vxlan",
.io_alloc = vxlan_alloc,
.io_parse = vxlan_parse,
.io_dump = {
[NL_DUMP_LINE] = vxlan_dump_line,
[NL_DUMP_DETAILS] = vxlan_dump_details,
},
.io_clone = vxlan_clone,
.io_put_attrs = vxlan_put_attrs,
.io_free = vxlan_free,
.io_compare = vxlan_compare,
};
/** @cond SKIP */
#define IS_VXLAN_LINK_ASSERT(link) \
if ((link)->l_info_ops != &vxlan_info_ops) { \
APPBUG("Link is not a vxlan link. set type \"vxlan\" first."); \
return -NLE_OPNOTSUPP; \
}
/** @endcond */
/**
* @name VXLAN Object
* @{
*/
/**
* Allocate link object of type VXLAN
*
* @return Allocated link object or NULL.
*/
struct rtnl_link *rtnl_link_vxlan_alloc(void)
{
struct rtnl_link *link;
if (!(link = rtnl_link_alloc()))
return NULL;
if (rtnl_link_set_type(link, "vxlan") < 0) {
rtnl_link_put(link);
return NULL;
}
return link;
}
/**
* Check if link is a VXLAN link
* @arg link Link object
*
* @return True if link is a VXLAN link, otherwise false is returned.
*/
int rtnl_link_is_vxlan(struct rtnl_link *link)
{
return link->l_info_ops && !strcmp(link->l_info_ops->io_name, "vxlan");
}
/**
* Set VXLAN Network Identifier
* @arg link Link object
* @arg id VXLAN network identifier (or VXLAN segment identifier)
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_set_id(struct rtnl_link *link, uint32_t id)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if (id > VXLAN_ID_MAX)
return -NLE_INVAL;
vxi->vxi_id = id;
vxi->ce_mask |= VXLAN_ATTR_ID;
return 0;
}
/**
* Get VXLAN Network Identifier
* @arg link Link object
* @arg id Pointer to store network identifier
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_get_id(struct rtnl_link *link, uint32_t *id)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if(!id)
return -NLE_INVAL;
if (vxi->ce_mask & VXLAN_ATTR_ID)
*id = vxi->vxi_id;
else
return -NLE_AGAIN;
return 0;
}
/**
* Set VXLAN multicast IP address
* @arg link Link object
* @arg addr Multicast IP address to join
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_set_group(struct rtnl_link *link, struct nl_addr *addr)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if ((nl_addr_get_family(addr) == AF_INET) &&
(nl_addr_get_len(addr) == sizeof(vxi->vxi_group))) {
memcpy(&vxi->vxi_group, nl_addr_get_binary_addr(addr),
sizeof(vxi->vxi_group));
vxi->ce_mask |= VXLAN_ATTR_GROUP;
vxi->ce_mask &= ~VXLAN_ATTR_GROUP6;
} else if ((nl_addr_get_family(addr) == AF_INET6) &&
(nl_addr_get_len(addr) == sizeof(vxi->vxi_group6))) {
memcpy(&vxi->vxi_group6, nl_addr_get_binary_addr(addr),
sizeof(vxi->vxi_group6));
vxi->ce_mask |= VXLAN_ATTR_GROUP6;
vxi->ce_mask &= ~VXLAN_ATTR_GROUP;
} else
return -NLE_INVAL;
return 0;
}
/**
* Get VXLAN multicast IP address
* @arg link Link object
* @arg addr Pointer to store multicast IP address
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_get_group(struct rtnl_link *link, struct nl_addr **addr)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if (!addr)
return -NLE_INVAL;
if (vxi->ce_mask & VXLAN_ATTR_GROUP)
*addr = nl_addr_build(AF_INET, &vxi->vxi_group, sizeof(vxi->vxi_group));
else if (vxi->ce_mask & VXLAN_ATTR_GROUP6)
*addr = nl_addr_build(AF_INET6, &vxi->vxi_group6, sizeof(vxi->vxi_group6));
else
return -NLE_AGAIN;
return 0;
}
/**
* Set physical device to use for VXLAN
* @arg link Link object
* @arg index Interface index
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_set_link(struct rtnl_link *link, uint32_t index)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
vxi->vxi_link = index;
vxi->ce_mask |= VXLAN_ATTR_LINK;
return 0;
}
/**
* Get physical device to use for VXLAN
* @arg link Link object
* @arg index Pointer to store interface index
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_get_link(struct rtnl_link *link, uint32_t *index)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if (!index)
return -NLE_INVAL;
if (!(vxi->ce_mask & VXLAN_ATTR_LINK))
return -NLE_AGAIN;
*index = vxi->vxi_link;
return 0;
}
/**
* Set source address to use for VXLAN
* @arg link Link object
* @arg addr Local address
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_set_local(struct rtnl_link *link, struct nl_addr *addr)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if ((nl_addr_get_family(addr) == AF_INET) &&
(nl_addr_get_len(addr) == sizeof(vxi->vxi_local))) {
memcpy(&vxi->vxi_local, nl_addr_get_binary_addr(addr),
sizeof(vxi->vxi_local));
vxi->ce_mask |= VXLAN_ATTR_LOCAL;
vxi->ce_mask &= ~VXLAN_ATTR_LOCAL6;
} else if ((nl_addr_get_family(addr) == AF_INET6) &&
(nl_addr_get_len(addr) == sizeof(vxi->vxi_local6))) {
memcpy(&vxi->vxi_local6, nl_addr_get_binary_addr(addr),
sizeof(vxi->vxi_local6));
vxi->ce_mask |= VXLAN_ATTR_LOCAL6;
vxi->ce_mask &= ~VXLAN_ATTR_LOCAL;
} else
return -NLE_INVAL;
return 0;
}
/**
* Get source address to use for VXLAN
* @arg link Link object
* @arg addr Pointer to store local address
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_get_local(struct rtnl_link *link, struct nl_addr **addr)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if (!addr)
return -NLE_INVAL;
if (vxi->ce_mask & VXLAN_ATTR_LOCAL)
*addr = nl_addr_build(AF_INET, &vxi->vxi_local, sizeof(vxi->vxi_local));
else if (vxi->ce_mask & VXLAN_ATTR_LOCAL6)
*addr = nl_addr_build(AF_INET6, &vxi->vxi_local6, sizeof(vxi->vxi_local6));
else
return -NLE_AGAIN;
return 0;
}
/**
* Set IP TTL value to use for VXLAN
* @arg link Link object
* @arg ttl TTL value
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_set_ttl(struct rtnl_link *link, uint8_t ttl)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
vxi->vxi_ttl = ttl;
vxi->ce_mask |= VXLAN_ATTR_TTL;
return 0;
}
/**
* Get IP TTL value to use for VXLAN
* @arg link Link object
*
* @return TTL value on success or a negative error code
*/
int rtnl_link_vxlan_get_ttl(struct rtnl_link *link)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if (!(vxi->ce_mask & VXLAN_ATTR_TTL))
return -NLE_AGAIN;
return vxi->vxi_ttl;
}
/**
* Set IP ToS value to use for VXLAN
* @arg link Link object
* @arg tos ToS value
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_set_tos(struct rtnl_link *link, uint8_t tos)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
vxi->vxi_tos = tos;
vxi->ce_mask |= VXLAN_ATTR_TOS;
return 0;
}
/**
* Get IP ToS value to use for VXLAN
* @arg link Link object
*
* @return ToS value on success or a negative error code
*/
int rtnl_link_vxlan_get_tos(struct rtnl_link *link)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if (!(vxi->ce_mask & VXLAN_ATTR_TOS))
return -NLE_AGAIN;
return vxi->vxi_tos;
}
/**
* Set VXLAN learning status
* @arg link Link object
* @arg learning Learning status value
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_set_learning(struct rtnl_link *link, uint8_t learning)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
vxi->vxi_learning = learning;
vxi->ce_mask |= VXLAN_ATTR_LEARNING;
return 0;
}
/**
* Get VXLAN learning status
* @arg link Link object
*
* @return Learning status value on success or a negative error code
*/
int rtnl_link_vxlan_get_learning(struct rtnl_link *link)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if (!(vxi->ce_mask & VXLAN_ATTR_LEARNING))
return -NLE_AGAIN;
return vxi->vxi_learning;
}
/**
* Enable VXLAN address learning
* @arg link Link object
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_enable_learning(struct rtnl_link *link)
{
return rtnl_link_vxlan_set_learning(link, 1);
}
/**
* Disable VXLAN address learning
* @arg link Link object
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_disable_learning(struct rtnl_link *link)
{
return rtnl_link_vxlan_set_learning(link, 0);
}
/**
* Set expiration timer value to use for VXLAN
* @arg link Link object
* @arg expiry Expiration timer value
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_set_ageing(struct rtnl_link *link, uint32_t expiry)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
vxi->vxi_ageing = expiry;
vxi->ce_mask |= VXLAN_ATTR_AGEING;
return 0;
}
/**
* Get expiration timer value to use for VXLAN
* @arg link Link object
* @arg expiry Pointer to store expiration timer value
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_get_ageing(struct rtnl_link *link, uint32_t *expiry)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if (!expiry)
return -NLE_INVAL;
if (vxi->ce_mask & VXLAN_ATTR_AGEING)
*expiry = vxi->vxi_ageing;
else
return -NLE_AGAIN;
return 0;
}
/**
* Set maximum number of forwarding database entries to use for VXLAN
* @arg link Link object
* @arg limit Maximum number
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_set_limit(struct rtnl_link *link, uint32_t limit)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
vxi->vxi_limit = limit;
vxi->ce_mask |= VXLAN_ATTR_LIMIT;
return 0;
}
/**
* Get maximum number of forwarding database entries to use for VXLAN
* @arg link Link object
* @arg limit Pointer to store maximum number
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_get_limit(struct rtnl_link *link, uint32_t *limit)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if (!limit)
return -NLE_INVAL;
if (vxi->ce_mask & VXLAN_ATTR_LIMIT)
*limit = vxi->vxi_limit;
else
return -NLE_AGAIN;
return 0;
}
/**
* Set range of UDP port numbers to use for VXLAN
* @arg link Link object
* @arg range Port number range
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_set_port_range(struct rtnl_link *link,
struct ifla_vxlan_port_range *range)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if (!range)
return -NLE_INVAL;
memcpy(&vxi->vxi_port_range, range, sizeof(vxi->vxi_port_range));
vxi->ce_mask |= VXLAN_ATTR_PORT_RANGE;
return 0;
}
/**
* Get range of UDP port numbers to use for VXLAN
* @arg link Link object
* @arg range Pointer to store port range
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_get_port_range(struct rtnl_link *link,
struct ifla_vxlan_port_range *range)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if (!range)
return -NLE_INVAL;
if (vxi->ce_mask & VXLAN_ATTR_PORT_RANGE)
memcpy(range, &vxi->vxi_port_range, sizeof(*range));
else
return -NLE_AGAIN;
return 0;
}
/**
* Set ARP proxy status to use for VXLAN
* @arg link Link object
* @arg proxy Status value
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_set_proxy(struct rtnl_link *link, uint8_t proxy)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
vxi->vxi_proxy = proxy;
vxi->ce_mask |= VXLAN_ATTR_PROXY;
return 0;
}
/**
* Get ARP proxy status to use for VXLAN
* @arg link Link object
*
* @return Status value on success or a negative error code
*/
int rtnl_link_vxlan_get_proxy(struct rtnl_link *link)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if (!(vxi->ce_mask & VXLAN_ATTR_PROXY))
return -NLE_AGAIN;
return vxi->vxi_proxy;
}
/**
* Enable ARP proxy
* @arg link Link object
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_enable_proxy(struct rtnl_link *link)
{
return rtnl_link_vxlan_set_proxy(link, 1);
}
/**
* Disable ARP proxy
* @arg link Link object
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_disable_proxy(struct rtnl_link *link)
{
return rtnl_link_vxlan_set_proxy(link, 0);
}
/**
* Set Route Short Circuit status to use for VXLAN
* @arg link Link object
* @arg rsc Status value
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_set_rsc(struct rtnl_link *link, uint8_t rsc)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
vxi->vxi_rsc = rsc;
vxi->ce_mask |= VXLAN_ATTR_RSC;
return 0;
}
/**
* Get Route Short Circuit status to use for VXLAN
* @arg link Link object
*
* @return Status value on success or a negative error code
*/
int rtnl_link_vxlan_get_rsc(struct rtnl_link *link)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if (!(vxi->ce_mask & VXLAN_ATTR_RSC))
return -NLE_AGAIN;
return vxi->vxi_rsc;
}
/**
* Enable Route Short Circuit
* @arg link Link object
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_enable_rsc(struct rtnl_link *link)
{
return rtnl_link_vxlan_set_rsc(link, 1);
}
/**
* Disable Route Short Circuit
* @arg link Link object
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_disable_rsc(struct rtnl_link *link)
{
return rtnl_link_vxlan_set_rsc(link, 0);
}
/**
* Set netlink LLADDR miss notification status to use for VXLAN
* @arg link Link object
* @arg miss Status value
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_set_l2miss(struct rtnl_link *link, uint8_t miss)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
vxi->vxi_l2miss = miss;
vxi->ce_mask |= VXLAN_ATTR_L2MISS;
return 0;
}
/**
* Get netlink LLADDR miss notification status to use for VXLAN
* @arg link Link object
*
* @return Status value on success or a negative error code
*/
int rtnl_link_vxlan_get_l2miss(struct rtnl_link *link)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if (!(vxi->ce_mask & VXLAN_ATTR_L2MISS))
return -NLE_AGAIN;
return vxi->vxi_l2miss;
}
/**
* Enable netlink LLADDR miss notifications
* @arg link Link object
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_enable_l2miss(struct rtnl_link *link)
{
return rtnl_link_vxlan_set_l2miss(link, 1);
}
/**
* Disable netlink LLADDR miss notifications
* @arg link Link object
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_disable_l2miss(struct rtnl_link *link)
{
return rtnl_link_vxlan_set_l2miss(link, 0);
}
/**
* Set netlink IP ADDR miss notification status to use for VXLAN
* @arg link Link object
* @arg miss Status value
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_set_l3miss(struct rtnl_link *link, uint8_t miss)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
vxi->vxi_l3miss = miss;
vxi->ce_mask |= VXLAN_ATTR_L3MISS;
return 0;
}
/**
* Get netlink IP ADDR miss notification status to use for VXLAN
* @arg link Link object
*
* @return Status value on success or a negative error code
*/
int rtnl_link_vxlan_get_l3miss(struct rtnl_link *link)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if (!(vxi->ce_mask & VXLAN_ATTR_L3MISS))
return -NLE_AGAIN;
return vxi->vxi_l3miss;
}
/**
* Enable netlink IP ADDR miss notifications
* @arg link Link object
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_enable_l3miss(struct rtnl_link *link)
{
return rtnl_link_vxlan_set_l3miss(link, 1);
}
/**
* Disable netlink IP ADDR miss notifications
* @arg link Link object
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_disable_l3miss(struct rtnl_link *link)
{
return rtnl_link_vxlan_set_l3miss(link, 0);
}
/**
* Set UDP destination port to use for VXLAN
* @arg link Link object
* @arg port Destination port
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_set_port(struct rtnl_link *link, uint32_t port)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
vxi->vxi_port = htons(port);
vxi->ce_mask |= VXLAN_ATTR_PORT;
return 0;
}
/**
* Get UDP destination port to use for VXLAN
* @arg link Link object
* @arg port Pointer to store destination port
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_get_port(struct rtnl_link *link, uint32_t *port)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if (!port)
return -NLE_INVAL;
if (!(vxi->ce_mask & VXLAN_ATTR_PORT))
return -NLE_NOATTR;
*port = ntohs(vxi->vxi_port);
return 0;
}
/**
* Set UDP checksum status to use for VXLAN
* @arg link Link object
* @arg csum Status value
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_set_udp_csum(struct rtnl_link *link, uint8_t csum)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
vxi->vxi_udp_csum = csum;
vxi->ce_mask |= VXLAN_ATTR_UDP_CSUM;
return 0;
}
/**
* Get UDP checksum status to use for VXLAN
* @arg link Link object
*
* @return Status value on success or a negative error code
*/
int rtnl_link_vxlan_get_udp_csum(struct rtnl_link *link)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if (!(vxi->ce_mask & VXLAN_ATTR_UDP_CSUM))
return -NLE_NOATTR;
return vxi->vxi_udp_csum;
}
/**
* Set skip UDP checksum transmitted over IPv6 status to use for VXLAN
* @arg link Link object
* @arg csum Status value
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_set_udp_zero_csum6_tx(struct rtnl_link *link, uint8_t csum)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
vxi->vxi_udp_zero_csum6_tx = csum;
vxi->ce_mask |= VXLAN_ATTR_UDP_ZERO_CSUM6_TX;
return 0;
}
/**
* Get skip UDP checksum transmitted over IPv6 status to use for VXLAN
* @arg link Link object
*
* @return Status value on success or a negative error code
*/
int rtnl_link_vxlan_get_udp_zero_csum6_tx(struct rtnl_link *link)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if (!(vxi->ce_mask & VXLAN_ATTR_UDP_ZERO_CSUM6_TX))
return -NLE_NOATTR;
return vxi->vxi_udp_zero_csum6_tx;
}
/**
* Set skip UDP checksum received over IPv6 status to use for VXLAN
* @arg link Link object
* @arg csum Status value
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_set_udp_zero_csum6_rx(struct rtnl_link *link, uint8_t csum)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
vxi->vxi_udp_zero_csum6_rx = csum;
vxi->ce_mask |= VXLAN_ATTR_UDP_ZERO_CSUM6_RX;
return 0;
}
/**
* Get skip UDP checksum received over IPv6 status to use for VXLAN
* @arg link Link object
*
* @return Status value on success or a negative error code
*/
int rtnl_link_vxlan_get_udp_zero_csum6_rx(struct rtnl_link *link)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if (!(vxi->ce_mask & VXLAN_ATTR_UDP_ZERO_CSUM6_RX))
return -NLE_NOATTR;
return vxi->vxi_udp_zero_csum6_rx;
}
/**
* Set remote offload transmit checksum status to use for VXLAN
* @arg link Link object
* @arg csum Status value
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_set_remcsum_tx(struct rtnl_link *link, uint8_t csum)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
vxi->vxi_remcsum_tx = csum;
vxi->ce_mask |= VXLAN_ATTR_REMCSUM_TX;
return 0;
}
/**
* Get remote offload transmit checksum status to use for VXLAN
* @arg link Link object
*
* @return Status value on success or a negative error code
*/
int rtnl_link_vxlan_get_remcsum_tx(struct rtnl_link *link)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if (!(vxi->ce_mask & VXLAN_ATTR_REMCSUM_TX))
return -NLE_NOATTR;
return vxi->vxi_remcsum_tx;
}
/**
* Set remote offload receive checksum status to use for VXLAN
* @arg link Link object
* @arg csum Status value
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_set_remcsum_rx(struct rtnl_link *link, uint8_t csum)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
vxi->vxi_remcsum_rx = csum;
vxi->ce_mask |= VXLAN_ATTR_REMCSUM_RX;
return 0;
}
/**
* Get remote offload receive checksum status to use for VXLAN
* @arg link Link object
*
* @return Status value on success or a negative error code
*/
int rtnl_link_vxlan_get_remcsum_rx(struct rtnl_link *link)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if (!(vxi->ce_mask & VXLAN_ATTR_REMCSUM_RX))
return -NLE_NOATTR;
return vxi->vxi_remcsum_rx;
}
/**
* Set collect metadata status to use for VXLAN
* @arg link Link object
* @arg collect Status value
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_set_collect_metadata(struct rtnl_link *link, uint8_t collect)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
vxi->vxi_collect_metadata = collect;
vxi->ce_mask |= VXLAN_ATTR_COLLECT_METADATA;
return 0;
}
/**
* Get collect metadata status to use for VXLAN
* @arg link Link object
*
* @return Status value on success or a negative error code
*/
int rtnl_link_vxlan_get_collect_metadata(struct rtnl_link *link)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if (!(vxi->ce_mask & VXLAN_ATTR_COLLECT_METADATA))
return -NLE_NOATTR;
return vxi->vxi_collect_metadata;
}
/**
* Set flow label to use for VXLAN
* @arg link Link object
* @arg label Destination label
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_set_label(struct rtnl_link *link, uint32_t label)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
vxi->vxi_label = htonl(label);
vxi->ce_mask |= VXLAN_ATTR_LABEL;
return 0;
}
/**
* Get flow label to use for VXLAN
* @arg link Link object
* @arg label Pointer to store destination label
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_get_label(struct rtnl_link *link, uint32_t *label)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if (!label)
return -NLE_INVAL;
if (!(vxi->ce_mask & VXLAN_ATTR_LABEL))
return -NLE_NOATTR;
*label = ntohl(vxi->vxi_label);
return 0;
}
/**
* Set VXLAN flags RTNL_LINK_VXLAN_F_*
* @arg link Link object
* @flags Which flags to set
* @arg enable Boolean enabling or disabling flag
*
* @return 0 on success or a negative error code
*/
int rtnl_link_vxlan_set_flags(struct rtnl_link *link, uint32_t flags, int enable)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
if (flags & ~(RTNL_LINK_VXLAN_F_GBP | RTNL_LINK_VXLAN_F_GPE | RTNL_LINK_VXLAN_F_REMCSUM_NOPARTIAL))
return -NLE_INVAL;
if (enable)
vxi->vxi_flags |= flags;
else
vxi->vxi_flags &= ~flags;
return 0;
}
/**
* Get VXLAN flags RTNL_LINK_VXLAN_F_*
* @arg link Link object
* @arg out_flags Output value for flags. Must be present.
*
* @return Zero on success or a negative error code
*/
int rtnl_link_vxlan_get_flags(struct rtnl_link *link, uint32_t *out_flags)
{
struct vxlan_info *vxi = link->l_info;
IS_VXLAN_LINK_ASSERT(link);
*out_flags = vxi->vxi_flags;
return 0;
}
/** @} */
static void _nl_init vxlan_init(void)
{
rtnl_link_register_info(&vxlan_info_ops);
}
static void _nl_exit vxlan_exit(void)
{
rtnl_link_unregister_info(&vxlan_info_ops);
}
/** @} */