forked from luck/tmp_suning_uos_patched
ip_gre: Add support to collect tunnel metadata.
Following patch create new tunnel flag which enable tunnel metadata collection on given device. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Acked-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pravin B Shelar
David S. Miller
parent
a9020fde67
commit
2e15ea390e
|
|
@ -82,6 +82,8 @@ struct ip_tunnel_dst {
|
|||
__be32 saddr;
|
||||
};
|
||||
|
||||
struct metadata_dst;
|
||||
|
||||
struct ip_tunnel {
|
||||
struct ip_tunnel __rcu *next;
|
||||
struct hlist_node hash_node;
|
||||
|
|
@ -115,6 +117,7 @@ struct ip_tunnel {
|
|||
unsigned int prl_count; /* # of entries in PRL */
|
||||
int ip_tnl_net_id;
|
||||
struct gro_cells gro_cells;
|
||||
bool collect_md;
|
||||
};
|
||||
|
||||
#define TUNNEL_CSUM __cpu_to_be16(0x01)
|
||||
|
|
@ -149,6 +152,7 @@ struct tnl_ptk_info {
|
|||
struct ip_tunnel_net {
|
||||
struct net_device *fb_tunnel_dev;
|
||||
struct hlist_head tunnels[IP_TNL_HASH_SIZE];
|
||||
struct ip_tunnel __rcu *collect_md_tun;
|
||||
};
|
||||
|
||||
struct ip_tunnel_encap_ops {
|
||||
|
|
@ -235,7 +239,8 @@ struct ip_tunnel *ip_tunnel_lookup(struct ip_tunnel_net *itn,
|
|||
__be32 key);
|
||||
|
||||
int ip_tunnel_rcv(struct ip_tunnel *tunnel, struct sk_buff *skb,
|
||||
const struct tnl_ptk_info *tpi, bool log_ecn_error);
|
||||
const struct tnl_ptk_info *tpi, struct metadata_dst *tun_dst,
|
||||
bool log_ecn_error);
|
||||
int ip_tunnel_changelink(struct net_device *dev, struct nlattr *tb[],
|
||||
struct ip_tunnel_parm *p);
|
||||
int ip_tunnel_newlink(struct net_device *dev, struct nlattr *tb[],
|
||||
|
|
|
|||
|
|
@ -112,6 +112,7 @@ enum {
|
|||
IFLA_GRE_ENCAP_FLAGS,
|
||||
IFLA_GRE_ENCAP_SPORT,
|
||||
IFLA_GRE_ENCAP_DPORT,
|
||||
IFLA_GRE_COLLECT_METADATA,
|
||||
__IFLA_GRE_MAX,
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -25,6 +25,7 @@
|
|||
#include <linux/udp.h>
|
||||
#include <linux/if_arp.h>
|
||||
#include <linux/mroute.h>
|
||||
#include <linux/if_vlan.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/in6.h>
|
||||
#include <linux/inetdevice.h>
|
||||
|
|
@ -47,6 +48,7 @@
|
|||
#include <net/netns/generic.h>
|
||||
#include <net/rtnetlink.h>
|
||||
#include <net/gre.h>
|
||||
#include <net/dst_metadata.h>
|
||||
|
||||
#if IS_ENABLED(CONFIG_IPV6)
|
||||
#include <net/ipv6.h>
|
||||
|
|
@ -200,9 +202,29 @@ static int ipgre_err(struct sk_buff *skb, u32 info,
|
|||
return PACKET_RCVD;
|
||||
}
|
||||
|
||||
static __be64 key_to_tunnel_id(__be32 key)
|
||||
{
|
||||
#ifdef __BIG_ENDIAN
|
||||
return (__force __be64)((__force u32)key);
|
||||
#else
|
||||
return (__force __be64)((__force u64)key << 32);
|
||||
#endif
|
||||
}
|
||||
|
||||
/* Returns the least-significant 32 bits of a __be64. */
|
||||
static __be32 tunnel_id_to_key(__be64 x)
|
||||
{
|
||||
#ifdef __BIG_ENDIAN
|
||||
return (__force __be32)x;
|
||||
#else
|
||||
return (__force __be32)((__force u64)x >> 32);
|
||||
#endif
|
||||
}
|
||||
|
||||
static int ipgre_rcv(struct sk_buff *skb, const struct tnl_ptk_info *tpi)
|
||||
{
|
||||
struct net *net = dev_net(skb->dev);
|
||||
struct metadata_dst *tun_dst = NULL;
|
||||
struct ip_tunnel_net *itn;
|
||||
const struct iphdr *iph;
|
||||
struct ip_tunnel *tunnel;
|
||||
|
|
@ -218,40 +240,162 @@ static int ipgre_rcv(struct sk_buff *skb, const struct tnl_ptk_info *tpi)
|
|||
|
||||
if (tunnel) {
|
||||
skb_pop_mac_header(skb);
|
||||
ip_tunnel_rcv(tunnel, skb, tpi, log_ecn_error);
|
||||
if (tunnel->collect_md) {
|
||||
struct ip_tunnel_info *info;
|
||||
|
||||
tun_dst = metadata_dst_alloc(0, GFP_ATOMIC);
|
||||
if (!tun_dst)
|
||||
return PACKET_REJECT;
|
||||
|
||||
info = &tun_dst->u.tun_info;
|
||||
info->key.ipv4_src = iph->saddr;
|
||||
info->key.ipv4_dst = iph->daddr;
|
||||
info->key.ipv4_tos = iph->tos;
|
||||
info->key.ipv4_ttl = iph->ttl;
|
||||
|
||||
info->mode = IP_TUNNEL_INFO_RX;
|
||||
info->key.tun_flags = tpi->flags &
|
||||
(TUNNEL_CSUM | TUNNEL_KEY);
|
||||
info->key.tun_id = key_to_tunnel_id(tpi->key);
|
||||
|
||||
info->key.tp_src = 0;
|
||||
info->key.tp_dst = 0;
|
||||
}
|
||||
|
||||
ip_tunnel_rcv(tunnel, skb, tpi, tun_dst, log_ecn_error);
|
||||
return PACKET_RCVD;
|
||||
}
|
||||
return PACKET_REJECT;
|
||||
}
|
||||
|
||||
static void build_header(struct sk_buff *skb, int hdr_len, __be16 flags,
|
||||
__be16 proto, __be32 key, __be32 seq)
|
||||
{
|
||||
struct gre_base_hdr *greh;
|
||||
|
||||
skb_push(skb, hdr_len);
|
||||
|
||||
skb_reset_transport_header(skb);
|
||||
greh = (struct gre_base_hdr *)skb->data;
|
||||
greh->flags = tnl_flags_to_gre_flags(flags);
|
||||
greh->protocol = proto;
|
||||
|
||||
if (flags & (TUNNEL_KEY | TUNNEL_CSUM | TUNNEL_SEQ)) {
|
||||
__be32 *ptr = (__be32 *)(((u8 *)greh) + hdr_len - 4);
|
||||
|
||||
if (flags & TUNNEL_SEQ) {
|
||||
*ptr = seq;
|
||||
ptr--;
|
||||
}
|
||||
if (flags & TUNNEL_KEY) {
|
||||
*ptr = key;
|
||||
ptr--;
|
||||
}
|
||||
if (flags & TUNNEL_CSUM &&
|
||||
!(skb_shinfo(skb)->gso_type &
|
||||
(SKB_GSO_GRE | SKB_GSO_GRE_CSUM))) {
|
||||
*ptr = 0;
|
||||
*(__sum16 *)ptr = csum_fold(skb_checksum(skb, 0,
|
||||
skb->len, 0));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void __gre_xmit(struct sk_buff *skb, struct net_device *dev,
|
||||
const struct iphdr *tnl_params,
|
||||
__be16 proto)
|
||||
{
|
||||
struct ip_tunnel *tunnel = netdev_priv(dev);
|
||||
struct tnl_ptk_info tpi;
|
||||
|
||||
tpi.flags = tunnel->parms.o_flags;
|
||||
tpi.proto = proto;
|
||||
tpi.key = tunnel->parms.o_key;
|
||||
if (tunnel->parms.o_flags & TUNNEL_SEQ)
|
||||
tunnel->o_seqno++;
|
||||
tpi.seq = htonl(tunnel->o_seqno);
|
||||
|
||||
/* Push GRE header. */
|
||||
gre_build_header(skb, &tpi, tunnel->tun_hlen);
|
||||
|
||||
skb_set_inner_protocol(skb, tpi.proto);
|
||||
build_header(skb, tunnel->tun_hlen, tunnel->parms.o_flags,
|
||||
proto, tunnel->parms.o_key, htonl(tunnel->o_seqno));
|
||||
|
||||
skb_set_inner_protocol(skb, proto);
|
||||
ip_tunnel_xmit(skb, dev, tnl_params, tnl_params->protocol);
|
||||
}
|
||||
|
||||
static void gre_fb_xmit(struct sk_buff *skb, struct net_device *dev)
|
||||
{
|
||||
struct ip_tunnel_info *tun_info;
|
||||
struct net *net = dev_net(dev);
|
||||
const struct ip_tunnel_key *key;
|
||||
struct flowi4 fl;
|
||||
struct rtable *rt;
|
||||
int min_headroom;
|
||||
int tunnel_hlen;
|
||||
__be16 df, flags;
|
||||
int err;
|
||||
|
||||
tun_info = skb_tunnel_info(skb, AF_INET);
|
||||
if (unlikely(!tun_info || tun_info->mode != IP_TUNNEL_INFO_TX))
|
||||
goto err_free_skb;
|
||||
|
||||
key = &tun_info->key;
|
||||
memset(&fl, 0, sizeof(fl));
|
||||
fl.daddr = key->ipv4_dst;
|
||||
fl.saddr = key->ipv4_src;
|
||||
fl.flowi4_tos = RT_TOS(key->ipv4_tos);
|
||||
fl.flowi4_mark = skb->mark;
|
||||
fl.flowi4_proto = IPPROTO_GRE;
|
||||
|
||||
rt = ip_route_output_key(net, &fl);
|
||||
if (IS_ERR(rt))
|
||||
goto err_free_skb;
|
||||
|
||||
tunnel_hlen = ip_gre_calc_hlen(key->tun_flags);
|
||||
|
||||
min_headroom = LL_RESERVED_SPACE(rt->dst.dev) + rt->dst.header_len
|
||||
+ tunnel_hlen + sizeof(struct iphdr);
|
||||
if (skb_headroom(skb) < min_headroom || skb_header_cloned(skb)) {
|
||||
int head_delta = SKB_DATA_ALIGN(min_headroom -
|
||||
skb_headroom(skb) +
|
||||
16);
|
||||
err = pskb_expand_head(skb, max_t(int, head_delta, 0),
|
||||
0, GFP_ATOMIC);
|
||||
if (unlikely(err))
|
||||
goto err_free_rt;
|
||||
}
|
||||
|
||||
/* Push Tunnel header. */
|
||||
skb = gre_handle_offloads(skb, !!(tun_info->key.tun_flags & TUNNEL_CSUM));
|
||||
if (IS_ERR(skb)) {
|
||||
skb = NULL;
|
||||
goto err_free_rt;
|
||||
}
|
||||
|
||||
flags = tun_info->key.tun_flags & (TUNNEL_CSUM | TUNNEL_KEY);
|
||||
build_header(skb, tunnel_hlen, flags, htons(ETH_P_TEB),
|
||||
tunnel_id_to_key(tun_info->key.tun_id), 0);
|
||||
|
||||
df = key->tun_flags & TUNNEL_DONT_FRAGMENT ? htons(IP_DF) : 0;
|
||||
err = iptunnel_xmit(skb->sk, rt, skb, fl.saddr,
|
||||
key->ipv4_dst, IPPROTO_GRE,
|
||||
key->ipv4_tos, key->ipv4_ttl, df, false);
|
||||
iptunnel_xmit_stats(err, &dev->stats, dev->tstats);
|
||||
return;
|
||||
|
||||
err_free_rt:
|
||||
ip_rt_put(rt);
|
||||
err_free_skb:
|
||||
kfree_skb(skb);
|
||||
dev->stats.tx_dropped++;
|
||||
}
|
||||
|
||||
static netdev_tx_t ipgre_xmit(struct sk_buff *skb,
|
||||
struct net_device *dev)
|
||||
{
|
||||
struct ip_tunnel *tunnel = netdev_priv(dev);
|
||||
const struct iphdr *tnl_params;
|
||||
|
||||
if (tunnel->collect_md) {
|
||||
gre_fb_xmit(skb, dev);
|
||||
return NETDEV_TX_OK;
|
||||
}
|
||||
|
||||
if (dev->header_ops) {
|
||||
/* Need space for new headers */
|
||||
if (skb_cow_head(skb, dev->needed_headroom -
|
||||
|
|
@ -277,7 +421,6 @@ static netdev_tx_t ipgre_xmit(struct sk_buff *skb,
|
|||
goto out;
|
||||
|
||||
__gre_xmit(skb, dev, tnl_params, skb->protocol);
|
||||
|
||||
return NETDEV_TX_OK;
|
||||
|
||||
free_skb:
|
||||
|
|
@ -292,6 +435,11 @@ static netdev_tx_t gre_tap_xmit(struct sk_buff *skb,
|
|||
{
|
||||
struct ip_tunnel *tunnel = netdev_priv(dev);
|
||||
|
||||
if (tunnel->collect_md) {
|
||||
gre_fb_xmit(skb, dev);
|
||||
return NETDEV_TX_OK;
|
||||
}
|
||||
|
||||
skb = gre_handle_offloads(skb, !!(tunnel->parms.o_flags&TUNNEL_CSUM));
|
||||
if (IS_ERR(skb))
|
||||
goto out;
|
||||
|
|
@ -300,7 +448,6 @@ static netdev_tx_t gre_tap_xmit(struct sk_buff *skb,
|
|||
goto free_skb;
|
||||
|
||||
__gre_xmit(skb, dev, &tunnel->parms.iph, htons(ETH_P_TEB));
|
||||
|
||||
return NETDEV_TX_OK;
|
||||
|
||||
free_skb:
|
||||
|
|
@ -596,8 +743,10 @@ static int ipgre_tap_validate(struct nlattr *tb[], struct nlattr *data[])
|
|||
return ipgre_tunnel_validate(tb, data);
|
||||
}
|
||||
|
||||
static void ipgre_netlink_parms(struct nlattr *data[], struct nlattr *tb[],
|
||||
struct ip_tunnel_parm *parms)
|
||||
static void ipgre_netlink_parms(struct net_device *dev,
|
||||
struct nlattr *data[],
|
||||
struct nlattr *tb[],
|
||||
struct ip_tunnel_parm *parms)
|
||||
{
|
||||
memset(parms, 0, sizeof(*parms));
|
||||
|
||||
|
|
@ -635,6 +784,12 @@ static void ipgre_netlink_parms(struct nlattr *data[], struct nlattr *tb[],
|
|||
|
||||
if (!data[IFLA_GRE_PMTUDISC] || nla_get_u8(data[IFLA_GRE_PMTUDISC]))
|
||||
parms->iph.frag_off = htons(IP_DF);
|
||||
|
||||
if (data[IFLA_GRE_COLLECT_METADATA]) {
|
||||
struct ip_tunnel *t = netdev_priv(dev);
|
||||
|
||||
t->collect_md = true;
|
||||
}
|
||||
}
|
||||
|
||||
/* This function returns true when ENCAP attributes are present in the nl msg */
|
||||
|
|
@ -712,7 +867,7 @@ static int ipgre_newlink(struct net *src_net, struct net_device *dev,
|
|||
return err;
|
||||
}
|
||||
|
||||
ipgre_netlink_parms(data, tb, &p);
|
||||
ipgre_netlink_parms(dev, data, tb, &p);
|
||||
return ip_tunnel_newlink(dev, tb, &p);
|
||||
}
|
||||
|
||||
|
|
@ -730,7 +885,7 @@ static int ipgre_changelink(struct net_device *dev, struct nlattr *tb[],
|
|||
return err;
|
||||
}
|
||||
|
||||
ipgre_netlink_parms(data, tb, &p);
|
||||
ipgre_netlink_parms(dev, data, tb, &p);
|
||||
return ip_tunnel_changelink(dev, tb, &p);
|
||||
}
|
||||
|
||||
|
|
@ -765,6 +920,8 @@ static size_t ipgre_get_size(const struct net_device *dev)
|
|||
nla_total_size(2) +
|
||||
/* IFLA_GRE_ENCAP_DPORT */
|
||||
nla_total_size(2) +
|
||||
/* IFLA_GRE_COLLECT_METADATA */
|
||||
nla_total_size(0) +
|
||||
0;
|
||||
}
|
||||
|
||||
|
|
@ -796,6 +953,11 @@ static int ipgre_fill_info(struct sk_buff *skb, const struct net_device *dev)
|
|||
t->encap.flags))
|
||||
goto nla_put_failure;
|
||||
|
||||
if (t->collect_md) {
|
||||
if (nla_put_flag(skb, IFLA_GRE_COLLECT_METADATA))
|
||||
goto nla_put_failure;
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
nla_put_failure:
|
||||
|
|
@ -817,6 +979,7 @@ static const struct nla_policy ipgre_policy[IFLA_GRE_MAX + 1] = {
|
|||
[IFLA_GRE_ENCAP_FLAGS] = { .type = NLA_U16 },
|
||||
[IFLA_GRE_ENCAP_SPORT] = { .type = NLA_U16 },
|
||||
[IFLA_GRE_ENCAP_DPORT] = { .type = NLA_U16 },
|
||||
[IFLA_GRE_COLLECT_METADATA] = { .type = NLA_FLAG },
|
||||
};
|
||||
|
||||
static struct rtnl_link_ops ipgre_link_ops __read_mostly = {
|
||||
|
|
@ -851,7 +1014,7 @@ static struct rtnl_link_ops ipgre_tap_ops __read_mostly = {
|
|||
|
||||
static int __net_init ipgre_tap_init_net(struct net *net)
|
||||
{
|
||||
return ip_tunnel_init_net(net, gre_tap_net_id, &ipgre_tap_ops, NULL);
|
||||
return ip_tunnel_init_net(net, gre_tap_net_id, &ipgre_tap_ops, "gretap0");
|
||||
}
|
||||
|
||||
static void __net_exit ipgre_tap_exit_net(struct net *net)
|
||||
|
|
|
|||
|
|
@ -230,10 +230,13 @@ struct ip_tunnel *ip_tunnel_lookup(struct ip_tunnel_net *itn,
|
|||
if (cand)
|
||||
return cand;
|
||||
|
||||
t = rcu_dereference(itn->collect_md_tun);
|
||||
if (t)
|
||||
return t;
|
||||
|
||||
if (itn->fb_tunnel_dev && itn->fb_tunnel_dev->flags & IFF_UP)
|
||||
return netdev_priv(itn->fb_tunnel_dev);
|
||||
|
||||
|
||||
return NULL;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(ip_tunnel_lookup);
|
||||
|
|
@ -261,11 +264,15 @@ static void ip_tunnel_add(struct ip_tunnel_net *itn, struct ip_tunnel *t)
|
|||
{
|
||||
struct hlist_head *head = ip_bucket(itn, &t->parms);
|
||||
|
||||
if (t->collect_md)
|
||||
rcu_assign_pointer(itn->collect_md_tun, t);
|
||||
hlist_add_head_rcu(&t->hash_node, head);
|
||||
}
|
||||
|
||||
static void ip_tunnel_del(struct ip_tunnel *t)
|
||||
static void ip_tunnel_del(struct ip_tunnel_net *itn, struct ip_tunnel *t)
|
||||
{
|
||||
if (t->collect_md)
|
||||
rcu_assign_pointer(itn->collect_md_tun, NULL);
|
||||
hlist_del_init_rcu(&t->hash_node);
|
||||
}
|
||||
|
||||
|
|
@ -419,7 +426,8 @@ static struct ip_tunnel *ip_tunnel_create(struct net *net,
|
|||
}
|
||||
|
||||
int ip_tunnel_rcv(struct ip_tunnel *tunnel, struct sk_buff *skb,
|
||||
const struct tnl_ptk_info *tpi, bool log_ecn_error)
|
||||
const struct tnl_ptk_info *tpi, struct metadata_dst *tun_dst,
|
||||
bool log_ecn_error)
|
||||
{
|
||||
struct pcpu_sw_netstats *tstats;
|
||||
const struct iphdr *iph = ip_hdr(skb);
|
||||
|
|
@ -478,6 +486,9 @@ int ip_tunnel_rcv(struct ip_tunnel *tunnel, struct sk_buff *skb,
|
|||
skb->dev = tunnel->dev;
|
||||
}
|
||||
|
||||
if (tun_dst)
|
||||
skb_dst_set(skb, (struct dst_entry *)tun_dst);
|
||||
|
||||
gro_cells_receive(&tunnel->gro_cells, skb);
|
||||
return 0;
|
||||
|
||||
|
|
@ -806,7 +817,7 @@ static void ip_tunnel_update(struct ip_tunnel_net *itn,
|
|||
struct ip_tunnel_parm *p,
|
||||
bool set_mtu)
|
||||
{
|
||||
ip_tunnel_del(t);
|
||||
ip_tunnel_del(itn, t);
|
||||
t->parms.iph.saddr = p->iph.saddr;
|
||||
t->parms.iph.daddr = p->iph.daddr;
|
||||
t->parms.i_key = p->i_key;
|
||||
|
|
@ -967,7 +978,7 @@ void ip_tunnel_dellink(struct net_device *dev, struct list_head *head)
|
|||
itn = net_generic(tunnel->net, tunnel->ip_tnl_net_id);
|
||||
|
||||
if (itn->fb_tunnel_dev != dev) {
|
||||
ip_tunnel_del(netdev_priv(dev));
|
||||
ip_tunnel_del(itn, netdev_priv(dev));
|
||||
unregister_netdevice_queue(dev, head);
|
||||
}
|
||||
}
|
||||
|
|
@ -1072,8 +1083,13 @@ int ip_tunnel_newlink(struct net_device *dev, struct nlattr *tb[],
|
|||
nt = netdev_priv(dev);
|
||||
itn = net_generic(net, nt->ip_tnl_net_id);
|
||||
|
||||
if (ip_tunnel_find(itn, p, dev->type))
|
||||
return -EEXIST;
|
||||
if (nt->collect_md) {
|
||||
if (rtnl_dereference(itn->collect_md_tun))
|
||||
return -EEXIST;
|
||||
} else {
|
||||
if (ip_tunnel_find(itn, p, dev->type))
|
||||
return -EEXIST;
|
||||
}
|
||||
|
||||
nt->net = net;
|
||||
nt->parms = *p;
|
||||
|
|
@ -1089,7 +1105,6 @@ int ip_tunnel_newlink(struct net_device *dev, struct nlattr *tb[],
|
|||
dev->mtu = mtu;
|
||||
|
||||
ip_tunnel_add(itn, nt);
|
||||
|
||||
out:
|
||||
return err;
|
||||
}
|
||||
|
|
@ -1163,6 +1178,10 @@ int ip_tunnel_init(struct net_device *dev)
|
|||
iph->version = 4;
|
||||
iph->ihl = 5;
|
||||
|
||||
if (tunnel->collect_md) {
|
||||
dev->features |= NETIF_F_NETNS_LOCAL;
|
||||
netif_keep_dst(dev);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(ip_tunnel_init);
|
||||
|
|
@ -1176,7 +1195,7 @@ void ip_tunnel_uninit(struct net_device *dev)
|
|||
itn = net_generic(net, tunnel->ip_tnl_net_id);
|
||||
/* fb_tunnel_dev will be unregisted in net-exit call. */
|
||||
if (itn->fb_tunnel_dev != dev)
|
||||
ip_tunnel_del(netdev_priv(dev));
|
||||
ip_tunnel_del(itn, netdev_priv(dev));
|
||||
|
||||
ip_tunnel_dst_reset_all(tunnel);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -198,7 +198,7 @@ static int ipip_rcv(struct sk_buff *skb)
|
|||
goto drop;
|
||||
if (iptunnel_pull_header(skb, 0, tpi.proto))
|
||||
goto drop;
|
||||
return ip_tunnel_rcv(tunnel, skb, &tpi, log_ecn_error);
|
||||
return ip_tunnel_rcv(tunnel, skb, &tpi, NULL, log_ecn_error);
|
||||
}
|
||||
|
||||
return -1;
|
||||
|
|
|
|||
|
|
@ -742,7 +742,7 @@ static int ipip_rcv(struct sk_buff *skb)
|
|||
goto drop;
|
||||
if (iptunnel_pull_header(skb, 0, tpi.proto))
|
||||
goto drop;
|
||||
return ip_tunnel_rcv(tunnel, skb, &tpi, log_ecn_error);
|
||||
return ip_tunnel_rcv(tunnel, skb, &tpi, NULL, log_ecn_error);
|
||||
}
|
||||
|
||||
return 1;
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user