static int geneve_net_id;
+union geneve_addr {
+ struct sockaddr_in sin;
+ struct sockaddr_in6 sin6;
+ struct sockaddr sa;
+};
+
+static union geneve_addr geneve_remote_unspec = { .sa.sa_family = AF_UNSPEC, };
+
/* Pseudo network device */
struct geneve_dev {
struct hlist_node hlist; /* vni hash table */
struct net *net; /* netns for packet i/o */
struct net_device *dev; /* netdev for geneve tunnel */
- struct geneve_sock *sock; /* socket used for geneve tunnel */
+ struct geneve_sock *sock4; /* IPv4 socket used for geneve tunnel */
+#if IS_ENABLED(CONFIG_IPV6)
+ struct geneve_sock *sock6; /* IPv6 socket used for geneve tunnel */
+#endif
u8 vni[3]; /* virtual network ID for tunnel */
u8 ttl; /* TTL override */
u8 tos; /* TOS override */
- struct sockaddr_in remote; /* IPv4 address for link partner */
+ union geneve_addr remote; /* IP address for link partner */
struct list_head next; /* geneve's per namespace list */
__be16 dst_port;
bool collect_md;
vni_list_head = &gs->vni_list[hash];
hlist_for_each_entry_rcu(geneve, vni_list_head, hlist) {
if (!memcmp(vni, geneve->vni, sizeof(geneve->vni)) &&
- addr == geneve->remote.sin_addr.s_addr)
+ addr == geneve->remote.sin.sin_addr.s_addr)
+ return geneve;
+ }
+ return NULL;
+}
+
+#if IS_ENABLED(CONFIG_IPV6)
+static struct geneve_dev *geneve6_lookup(struct geneve_sock *gs,
+ struct in6_addr addr6, u8 vni[])
+{
+ struct hlist_head *vni_list_head;
+ struct geneve_dev *geneve;
+ __u32 hash;
+
+ /* Find the device for this VNI */
+ hash = geneve_net_vni_hash(vni);
+ vni_list_head = &gs->vni_list[hash];
+ hlist_for_each_entry_rcu(geneve, vni_list_head, hlist) {
+ if (!memcmp(vni, geneve->vni, sizeof(geneve->vni)) &&
+ ipv6_addr_equal(&addr6, &geneve->remote.sin6.sin6_addr))
return geneve;
}
return NULL;
}
+#endif
static inline struct genevehdr *geneve_hdr(const struct sk_buff *skb)
{
struct metadata_dst *tun_dst = NULL;
struct geneve_dev *geneve = NULL;
struct pcpu_sw_netstats *stats;
- struct iphdr *iph;
- u8 *vni;
+ struct iphdr *iph = NULL;
__be32 addr;
- int err;
+ static u8 zero_vni[3];
+ u8 *vni;
+ int err = 0;
+ sa_family_t sa_family;
+#if IS_ENABLED(CONFIG_IPV6)
+ struct ipv6hdr *ip6h = NULL;
+ struct in6_addr addr6;
+ static struct in6_addr zero_addr6;
+#endif
- iph = ip_hdr(skb); /* outer IP header... */
+ sa_family = gs->sock->sk->sk_family;
- if (gs->collect_md) {
- static u8 zero_vni[3];
+ if (sa_family == AF_INET) {
+ iph = ip_hdr(skb); /* outer IP header... */
- vni = zero_vni;
- addr = 0;
- } else {
- vni = gnvh->vni;
- addr = iph->saddr;
- }
+ if (gs->collect_md) {
+ vni = zero_vni;
+ addr = 0;
+ } else {
+ vni = gnvh->vni;
+
+ addr = iph->saddr;
+ }
+
+ geneve = geneve_lookup(gs, addr, vni);
+#if IS_ENABLED(CONFIG_IPV6)
+ } else if (sa_family == AF_INET6) {
+ ip6h = ipv6_hdr(skb); /* outer IPv6 header... */
- geneve = geneve_lookup(gs, addr, vni);
+ if (gs->collect_md) {
+ vni = zero_vni;
+ addr6 = zero_addr6;
+ } else {
+ vni = gnvh->vni;
+
+ addr6 = ip6h->saddr;
+ }
+
+ geneve = geneve6_lookup(gs, addr6, vni);
+#endif
+ }
if (!geneve)
goto drop;
(gnvh->oam ? TUNNEL_OAM : 0) |
(gnvh->critical ? TUNNEL_CRIT_OPT : 0);
- tun_dst = udp_tun_rx_dst(skb, AF_INET, flags,
+ tun_dst = udp_tun_rx_dst(skb, sa_family, flags,
vni_to_tunnel_id(gnvh->vni),
gnvh->opt_len * 4);
if (!tun_dst)
skb_reset_network_header(skb);
- err = IP_ECN_decapsulate(iph, skb);
+ if (iph)
+ err = IP_ECN_decapsulate(iph, skb);
+#if IS_ENABLED(CONFIG_IPV6)
+ if (ip6h)
+ err = IP6_ECN_decapsulate(ip6h, skb);
+#endif
if (unlikely(err)) {
- if (log_ecn_error)
- net_info_ratelimited("non-ECT from %pI4 with TOS=%#x\n",
- &iph->saddr, iph->tos);
+ if (log_ecn_error) {
+ if (iph)
+ net_info_ratelimited("non-ECT from %pI4 "
+ "with TOS=%#x\n",
+ &iph->saddr, iph->tos);
+#if IS_ENABLED(CONFIG_IPV6)
+ if (ip6h)
+ net_info_ratelimited("non-ECT from %pI6\n",
+ &ip6h->saddr);
+#endif
+ }
if (err > 1) {
++geneve->dev->stats.rx_frame_errors;
++geneve->dev->stats.rx_errors;
if (ipv6) {
udp_conf.family = AF_INET6;
+ udp_conf.ipv6_v6only = 1;
} else {
udp_conf.family = AF_INET;
udp_conf.local_ip.s_addr = htonl(INADDR_ANY);
udp_del_offload(&gs->udp_offloads);
}
-static void geneve_sock_release(struct geneve_sock *gs)
+static void __geneve_sock_release(struct geneve_sock *gs)
{
- if (--gs->refcnt)
+ if (!gs || --gs->refcnt)
return;
list_del(&gs->list);
kfree_rcu(gs, rcu);
}
+static void geneve_sock_release(struct geneve_dev *geneve)
+{
+ __geneve_sock_release(geneve->sock4);
+#if IS_ENABLED(CONFIG_IPV6)
+ __geneve_sock_release(geneve->sock6);
+#endif
+}
+
static struct geneve_sock *geneve_find_sock(struct geneve_net *gn,
+ sa_family_t family,
__be16 dst_port)
{
struct geneve_sock *gs;
list_for_each_entry(gs, &gn->sock_list, list) {
if (inet_sk(gs->sock->sk)->inet_sport == dst_port &&
- inet_sk(gs->sock->sk)->sk.sk_family == AF_INET) {
+ inet_sk(gs->sock->sk)->sk.sk_family == family) {
return gs;
}
}
return NULL;
}
-static int geneve_open(struct net_device *dev)
+static int geneve_sock_add(struct geneve_dev *geneve, bool ipv6)
{
- struct geneve_dev *geneve = netdev_priv(dev);
struct net *net = geneve->net;
struct geneve_net *gn = net_generic(net, geneve_net_id);
struct geneve_sock *gs;
__u32 hash;
- gs = geneve_find_sock(gn, geneve->dst_port);
+ gs = geneve_find_sock(gn, ipv6 ? AF_INET6 : AF_INET, geneve->dst_port);
if (gs) {
gs->refcnt++;
goto out;
}
- gs = geneve_socket_create(net, geneve->dst_port, false);
+ gs = geneve_socket_create(net, geneve->dst_port, ipv6);
if (IS_ERR(gs))
return PTR_ERR(gs);
out:
gs->collect_md = geneve->collect_md;
- geneve->sock = gs;
+#if IS_ENABLED(CONFIG_IPV6)
+ if (ipv6)
+ geneve->sock6 = gs;
+ else
+#endif
+ geneve->sock4 = gs;
hash = geneve_net_vni_hash(geneve->vni);
hlist_add_head_rcu(&geneve->hlist, &gs->vni_list[hash]);
return 0;
}
+static int geneve_open(struct net_device *dev)
+{
+ struct geneve_dev *geneve = netdev_priv(dev);
+ bool ipv6 = geneve->remote.sa.sa_family == AF_INET6;
+ bool metadata = geneve->collect_md;
+ int ret = 0;
+
+ geneve->sock4 = NULL;
+#if IS_ENABLED(CONFIG_IPV6)
+ geneve->sock6 = NULL;
+ if (ipv6 || metadata)
+ ret = geneve_sock_add(geneve, true);
+#endif
+ if (!ret && (!ipv6 || metadata))
+ ret = geneve_sock_add(geneve, false);
+ if (ret < 0)
+ geneve_sock_release(geneve);
+
+ return ret;
+}
+
static int geneve_stop(struct net_device *dev)
{
struct geneve_dev *geneve = netdev_priv(dev);
- struct geneve_sock *gs = geneve->sock;
if (!hlist_unhashed(&geneve->hlist))
hlist_del_rcu(&geneve->hlist);
- geneve_sock_release(gs);
+ geneve_sock_release(geneve);
return 0;
}
+static void geneve_build_header(struct genevehdr *geneveh,
+ __be16 tun_flags, u8 vni[3],
+ u8 options_len, u8 *options)
+{
+ geneveh->ver = GENEVE_VER;
+ geneveh->opt_len = options_len / 4;
+ geneveh->oam = !!(tun_flags & TUNNEL_OAM);
+ geneveh->critical = !!(tun_flags & TUNNEL_CRIT_OPT);
+ geneveh->rsvd1 = 0;
+ memcpy(geneveh->vni, vni, 3);
+ geneveh->proto_type = htons(ETH_P_TEB);
+ geneveh->rsvd2 = 0;
+
+ memcpy(geneveh->options, options, options_len);
+}
+
static int geneve_build_skb(struct rtable *rt, struct sk_buff *skb,
__be16 tun_flags, u8 vni[3], u8 opt_len, u8 *opt,
- bool csum)
+ bool csum, bool xnet)
{
struct genevehdr *gnvh;
int min_headroom;
int err;
+ skb_scrub_packet(skb, xnet);
+
min_headroom = LL_RESERVED_SPACE(rt->dst.dev) + rt->dst.header_len
+ GENEVE_BASE_HLEN + opt_len + sizeof(struct iphdr);
err = skb_cow_head(skb, min_headroom);
}
gnvh = (struct genevehdr *)__skb_push(skb, sizeof(*gnvh) + opt_len);
- gnvh->ver = GENEVE_VER;
- gnvh->opt_len = opt_len / 4;
- gnvh->oam = !!(tun_flags & TUNNEL_OAM);
- gnvh->critical = !!(tun_flags & TUNNEL_CRIT_OPT);
- gnvh->rsvd1 = 0;
- memcpy(gnvh->vni, vni, 3);
- gnvh->proto_type = htons(ETH_P_TEB);
- gnvh->rsvd2 = 0;
- memcpy(gnvh->options, opt, opt_len);
+ geneve_build_header(gnvh, tun_flags, vni, opt_len, opt);
skb_set_inner_protocol(skb, htons(ETH_P_TEB));
return 0;
return err;
}
-static struct rtable *geneve_get_rt(struct sk_buff *skb,
- struct net_device *dev,
- struct flowi4 *fl4,
- struct ip_tunnel_info *info)
+#if IS_ENABLED(CONFIG_IPV6)
+static int geneve6_build_skb(struct dst_entry *dst, struct sk_buff *skb,
+ __be16 tun_flags, u8 vni[3], u8 opt_len, u8 *opt,
+ bool csum, bool xnet)
+{
+ struct genevehdr *gnvh;
+ int min_headroom;
+ int err;
+
+ skb_scrub_packet(skb, xnet);
+
+ min_headroom = LL_RESERVED_SPACE(dst->dev) + dst->header_len
+ + GENEVE_BASE_HLEN + opt_len + sizeof(struct ipv6hdr);
+ err = skb_cow_head(skb, min_headroom);
+ if (unlikely(err)) {
+ kfree_skb(skb);
+ goto free_dst;
+ }
+
+ skb = udp_tunnel_handle_offloads(skb, csum);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ goto free_dst;
+ }
+
+ gnvh = (struct genevehdr *)__skb_push(skb, sizeof(*gnvh) + opt_len);
+ geneve_build_header(gnvh, tun_flags, vni, opt_len, opt);
+
+ skb_set_inner_protocol(skb, htons(ETH_P_TEB));
+ return 0;
+
+free_dst:
+ dst_release(dst);
+ return err;
+}
+#endif
+
+static struct rtable *geneve_get_v4_rt(struct sk_buff *skb,
+ struct net_device *dev,
+ struct flowi4 *fl4,
+ struct ip_tunnel_info *info)
{
struct geneve_dev *geneve = netdev_priv(dev);
struct rtable *rt = NULL;
}
fl4->flowi4_tos = RT_TOS(tos);
- fl4->daddr = geneve->remote.sin_addr.s_addr;
+ fl4->daddr = geneve->remote.sin.sin_addr.s_addr;
}
rt = ip_route_output_key(geneve->net, fl4);
return rt;
}
+#if IS_ENABLED(CONFIG_IPV6)
+static struct dst_entry *geneve_get_v6_dst(struct sk_buff *skb,
+ struct net_device *dev,
+ struct flowi6 *fl6,
+ struct ip_tunnel_info *info)
+{
+ struct geneve_dev *geneve = netdev_priv(dev);
+ struct geneve_sock *gs6 = geneve->sock6;
+ struct dst_entry *dst = NULL;
+
+ memset(fl6, 0, sizeof(*fl6));
+ fl6->flowi6_mark = skb->mark;
+ fl6->flowi6_proto = IPPROTO_UDP;
+
+ if (info) {
+ fl6->daddr = info->key.u.ipv6.dst;
+ fl6->saddr = info->key.u.ipv6.src;
+ } else {
+ fl6->daddr = geneve->remote.sin6.sin6_addr;
+ }
+
+ if (ipv6_stub->ipv6_dst_lookup(geneve->net, gs6->sock->sk, &dst, fl6)) {
+ netdev_dbg(dev, "no route to %pI6\n", &fl6->daddr);
+ return ERR_PTR(-ENETUNREACH);
+ }
+ if (dst->dev == dev) { /* is this necessary? */
+ netdev_dbg(dev, "circular route to %pI6\n", &fl6->daddr);
+ dst_release(dst);
+ return ERR_PTR(-ELOOP);
+ }
+
+ return dst;
+}
+#endif
+
/* Convert 64 bit tunnel ID to 24 bit VNI. */
static void tunnel_id_to_vni(__be64 tun_id, __u8 *vni)
{
#endif
}
-static netdev_tx_t geneve_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t geneve_xmit_skb(struct sk_buff *skb, struct net_device *dev,
+ struct ip_tunnel_info *info)
{
struct geneve_dev *geneve = netdev_priv(dev);
- struct geneve_sock *gs = geneve->sock;
- struct ip_tunnel_info *info = NULL;
+ struct geneve_sock *gs4 = geneve->sock4;
struct rtable *rt = NULL;
const struct iphdr *iip; /* interior IP header */
int err = -EINVAL;
__be16 sport;
bool udp_csum;
__be16 df;
+ bool xnet = !net_eq(geneve->net, dev_net(geneve->dev));
if (geneve->collect_md) {
- info = skb_tunnel_info(skb);
- if (unlikely(info && !(info->mode & IP_TUNNEL_INFO_TX))) {
+ if (unlikely(!info || !(info->mode & IP_TUNNEL_INFO_TX))) {
netdev_dbg(dev, "no tunnel metadata\n");
goto tx_error;
}
goto tx_error;
}
- rt = geneve_get_rt(skb, dev, &fl4, info);
+ rt = geneve_get_v4_rt(skb, dev, &fl4, info);
if (IS_ERR(rt)) {
- netdev_dbg(dev, "no route to %pI4\n", &fl4.daddr);
err = PTR_ERR(rt);
goto tx_error;
}
udp_csum = !!(key->tun_flags & TUNNEL_CSUM);
err = geneve_build_skb(rt, skb, key->tun_flags, vni,
- info->options_len, opts, udp_csum);
+ info->options_len, opts, udp_csum, xnet);
if (unlikely(err))
goto err;
} else {
udp_csum = false;
err = geneve_build_skb(rt, skb, 0, geneve->vni,
- 0, NULL, udp_csum);
+ 0, NULL, udp_csum, xnet);
if (unlikely(err))
goto err;
ttl = ttl ? : ip4_dst_hoplimit(&rt->dst);
df = 0;
}
- err = udp_tunnel_xmit_skb(rt, gs->sock->sk, skb, fl4.saddr, fl4.daddr,
+ err = udp_tunnel_xmit_skb(rt, gs4->sock->sk, skb, fl4.saddr, fl4.daddr,
tos, ttl, df, sport, geneve->dst_port,
!net_eq(geneve->net, dev_net(geneve->dev)),
!udp_csum);
return NETDEV_TX_OK;
}
+#if IS_ENABLED(CONFIG_IPV6)
+static netdev_tx_t geneve6_xmit_skb(struct sk_buff *skb, struct net_device *dev,
+ struct ip_tunnel_info *info)
+{
+ struct geneve_dev *geneve = netdev_priv(dev);
+ struct geneve_sock *gs6 = geneve->sock6;
+ struct dst_entry *dst = NULL;
+ int err = -EINVAL;
+ struct flowi6 fl6;
+ __u8 ttl;
+ __be16 sport;
+ bool udp_csum;
+ bool xnet = !net_eq(geneve->net, dev_net(geneve->dev));
+
+ if (geneve->collect_md) {
+ if (unlikely(!info || !(info->mode & IP_TUNNEL_INFO_TX))) {
+ netdev_dbg(dev, "no tunnel metadata\n");
+ goto tx_error;
+ }
+ }
+
+ dst = geneve_get_v6_dst(skb, dev, &fl6, info);
+ if (IS_ERR(dst)) {
+ err = PTR_ERR(dst);
+ goto tx_error;
+ }
+
+ sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true);
+ skb_reset_mac_header(skb);
+
+ if (info) {
+ const struct ip_tunnel_key *key = &info->key;
+ u8 *opts = NULL;
+ u8 vni[3];
+
+ tunnel_id_to_vni(key->tun_id, vni);
+ if (key->tun_flags & TUNNEL_GENEVE_OPT)
+ opts = ip_tunnel_info_opts(info);
+
+ udp_csum = !!(key->tun_flags & TUNNEL_CSUM);
+ err = geneve6_build_skb(dst, skb, key->tun_flags, vni,
+ info->options_len, opts,
+ udp_csum, xnet);
+ if (unlikely(err))
+ goto err;
+
+ ttl = key->ttl;
+ } else {
+ udp_csum = false;
+ err = geneve6_build_skb(dst, skb, 0, geneve->vni,
+ 0, NULL, udp_csum, xnet);
+ if (unlikely(err))
+ goto err;
+
+ ttl = geneve->ttl;
+ if (!ttl && ipv6_addr_is_multicast(&fl6.daddr))
+ ttl = 1;
+ ttl = ttl ? : ip6_dst_hoplimit(dst);
+ }
+ err = udp_tunnel6_xmit_skb(dst, gs6->sock->sk, skb, dev,
+ &fl6.saddr, &fl6.daddr, 0, ttl,
+ sport, geneve->dst_port, !udp_csum);
+
+ iptunnel_xmit_stats(err, &dev->stats, dev->tstats);
+ return NETDEV_TX_OK;
+
+tx_error:
+ dev_kfree_skb(skb);
+err:
+ if (err == -ELOOP)
+ dev->stats.collisions++;
+ else if (err == -ENETUNREACH)
+ dev->stats.tx_carrier_errors++;
+ else
+ dev->stats.tx_errors++;
+ return NETDEV_TX_OK;
+}
+#endif
+
+static netdev_tx_t geneve_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+ struct geneve_dev *geneve = netdev_priv(dev);
+ struct ip_tunnel_info *info = NULL;
+
+ if (geneve->collect_md)
+ info = skb_tunnel_info(skb);
+
+#if IS_ENABLED(CONFIG_IPV6)
+ if ((info && ip_tunnel_info_af(info) == AF_INET6) ||
+ (!info && geneve->remote.sa.sa_family == AF_INET6))
+ return geneve6_xmit_skb(skb, dev, info);
+#endif
+ return geneve_xmit_skb(skb, dev, info);
+}
+
static int geneve_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb)
{
struct ip_tunnel_info *info = skb_tunnel_info(skb);
if (ip_tunnel_info_af(info) != AF_INET)
return -EINVAL;
- rt = geneve_get_rt(skb, dev, &fl4, info);
+ rt = geneve_get_v4_rt(skb, dev, &fl4, info);
if (IS_ERR(rt))
return PTR_ERR(rt);
static const struct nla_policy geneve_policy[IFLA_GENEVE_MAX + 1] = {
[IFLA_GENEVE_ID] = { .type = NLA_U32 },
[IFLA_GENEVE_REMOTE] = { .len = FIELD_SIZEOF(struct iphdr, daddr) },
+ [IFLA_GENEVE_REMOTE6] = { .len = sizeof(struct in6_addr) },
[IFLA_GENEVE_TTL] = { .type = NLA_U8 },
[IFLA_GENEVE_TOS] = { .type = NLA_U8 },
[IFLA_GENEVE_PORT] = { .type = NLA_U16 },
static struct geneve_dev *geneve_find_dev(struct geneve_net *gn,
__be16 dst_port,
- __be32 rem_addr,
+ union geneve_addr *remote,
u8 vni[],
bool *tun_on_same_port,
bool *tun_collect_md)
*tun_on_same_port = true;
}
if (!memcmp(vni, geneve->vni, sizeof(geneve->vni)) &&
- rem_addr == geneve->remote.sin_addr.s_addr &&
+ !memcmp(remote, &geneve->remote, sizeof(geneve->remote)) &&
dst_port == geneve->dst_port)
t = geneve;
}
}
static int geneve_configure(struct net *net, struct net_device *dev,
- __be32 rem_addr, __u32 vni, __u8 ttl, __u8 tos,
- __be16 dst_port, bool metadata)
+ union geneve_addr *remote,
+ __u32 vni, __u8 ttl, __u8 tos, __be16 dst_port,
+ bool metadata)
{
struct geneve_net *gn = net_generic(net, geneve_net_id);
struct geneve_dev *t, *geneve = netdev_priv(dev);
bool tun_collect_md, tun_on_same_port;
int err;
- if (metadata) {
- if (rem_addr || vni || tos || ttl)
- return -EINVAL;
- }
+ if (!remote)
+ return -EINVAL;
+ if (metadata &&
+ (remote->sa.sa_family != AF_UNSPEC || vni || tos || ttl))
+ return -EINVAL;
geneve->net = net;
geneve->dev = dev;
geneve->vni[1] = (vni & 0x0000ff00) >> 8;
geneve->vni[2] = vni & 0x000000ff;
- geneve->remote.sin_addr.s_addr = rem_addr;
- if (IN_MULTICAST(ntohl(geneve->remote.sin_addr.s_addr)))
+ if ((remote->sa.sa_family == AF_INET &&
+ IN_MULTICAST(ntohl(remote->sin.sin_addr.s_addr))) ||
+ (remote->sa.sa_family == AF_INET6 &&
+ ipv6_addr_is_multicast(&remote->sin6.sin6_addr)))
return -EINVAL;
+ geneve->remote = *remote;
geneve->ttl = ttl;
geneve->tos = tos;
geneve->dst_port = dst_port;
geneve->collect_md = metadata;
- t = geneve_find_dev(gn, dst_port, rem_addr, geneve->vni,
+ t = geneve_find_dev(gn, dst_port, remote, geneve->vni,
&tun_on_same_port, &tun_collect_md);
if (t)
return -EBUSY;
__be16 dst_port = htons(GENEVE_UDP_PORT);
__u8 ttl = 0, tos = 0;
bool metadata = false;
- __be32 rem_addr = 0;
+ union geneve_addr remote = geneve_remote_unspec;
__u32 vni = 0;
+ if (data[IFLA_GENEVE_REMOTE] && data[IFLA_GENEVE_REMOTE6])
+ return -EINVAL;
+
+ if (data[IFLA_GENEVE_REMOTE]) {
+ remote.sa.sa_family = AF_INET;
+ remote.sin.sin_addr.s_addr =
+ nla_get_in_addr(data[IFLA_GENEVE_REMOTE]);
+ }
+
+ if (data[IFLA_GENEVE_REMOTE6]) {
+ if (!IS_ENABLED(CONFIG_IPV6))
+ return -EPFNOSUPPORT;
+
+ remote.sa.sa_family = AF_INET6;
+ remote.sin6.sin6_addr =
+ nla_get_in6_addr(data[IFLA_GENEVE_REMOTE6]);
+
+ if (ipv6_addr_type(&remote.sin6.sin6_addr) &
+ IPV6_ADDR_LINKLOCAL) {
+ netdev_dbg(dev, "link-local remote is unsupported\n");
+ return -EINVAL;
+ }
+ }
+
if (data[IFLA_GENEVE_ID])
vni = nla_get_u32(data[IFLA_GENEVE_ID]);
- if (data[IFLA_GENEVE_REMOTE])
- rem_addr = nla_get_in_addr(data[IFLA_GENEVE_REMOTE]);
-
if (data[IFLA_GENEVE_TTL])
ttl = nla_get_u8(data[IFLA_GENEVE_TTL]);
if (data[IFLA_GENEVE_COLLECT_METADATA])
metadata = true;
- return geneve_configure(net, dev, rem_addr, vni,
- ttl, tos, dst_port, metadata);
+ return geneve_configure(net, dev, &remote, vni, ttl, tos, dst_port,
+ metadata);
}
static void geneve_dellink(struct net_device *dev, struct list_head *head)
static size_t geneve_get_size(const struct net_device *dev)
{
return nla_total_size(sizeof(__u32)) + /* IFLA_GENEVE_ID */
- nla_total_size(sizeof(struct in_addr)) + /* IFLA_GENEVE_REMOTE */
+ nla_total_size(sizeof(struct in6_addr)) + /* IFLA_GENEVE_REMOTE{6} */
nla_total_size(sizeof(__u8)) + /* IFLA_GENEVE_TTL */
nla_total_size(sizeof(__u8)) + /* IFLA_GENEVE_TOS */
nla_total_size(sizeof(__be16)) + /* IFLA_GENEVE_PORT */
if (nla_put_u32(skb, IFLA_GENEVE_ID, vni))
goto nla_put_failure;
- if (nla_put_in_addr(skb, IFLA_GENEVE_REMOTE,
- geneve->remote.sin_addr.s_addr))
- goto nla_put_failure;
+ if (geneve->remote.sa.sa_family == AF_INET) {
+ if (nla_put_in_addr(skb, IFLA_GENEVE_REMOTE,
+ geneve->remote.sin.sin_addr.s_addr))
+ goto nla_put_failure;
+#if IS_ENABLED(CONFIG_IPV6)
+ } else {
+ if (nla_put_in6_addr(skb, IFLA_GENEVE_REMOTE6,
+ &geneve->remote.sin6.sin6_addr))
+ goto nla_put_failure;
+#endif
+ }
if (nla_put_u8(skb, IFLA_GENEVE_TTL, geneve->ttl) ||
nla_put_u8(skb, IFLA_GENEVE_TOS, geneve->tos))
if (IS_ERR(dev))
return dev;
- err = geneve_configure(net, dev, 0, 0, 0, 0, htons(dst_port), true);
+ err = geneve_configure(net, dev, &geneve_remote_unspec,
+ 0, 0, 0, htons(dst_port), true);
if (err) {
free_netdev(dev);
return ERR_PTR(err);
projects / mirror_ubuntu-kernels.git / commitdiff