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path: root/drivers/net/geneve.c
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Diffstat (limited to 'drivers/net/geneve.c')
-rw-r--r--drivers/net/geneve.c47
1 files changed, 33 insertions, 14 deletions
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index aa101f72d405..fcb7a6b4cc02 100644
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -773,7 +773,8 @@ static struct rtable *geneve_get_v4_rt(struct sk_buff *skb,
struct net_device *dev,
struct geneve_sock *gs4,
struct flowi4 *fl4,
- const struct ip_tunnel_info *info)
+ const struct ip_tunnel_info *info,
+ __be16 dport, __be16 sport)
{
bool use_cache = ip_tunnel_dst_cache_usable(skb, info);
struct geneve_dev *geneve = netdev_priv(dev);
@@ -789,6 +790,8 @@ static struct rtable *geneve_get_v4_rt(struct sk_buff *skb,
fl4->flowi4_proto = IPPROTO_UDP;
fl4->daddr = info->key.u.ipv4.dst;
fl4->saddr = info->key.u.ipv4.src;
+ fl4->fl4_dport = dport;
+ fl4->fl4_sport = sport;
tos = info->key.tos;
if ((tos == 1) && !geneve->collect_md) {
@@ -823,7 +826,8 @@ static struct dst_entry *geneve_get_v6_dst(struct sk_buff *skb,
struct net_device *dev,
struct geneve_sock *gs6,
struct flowi6 *fl6,
- const struct ip_tunnel_info *info)
+ const struct ip_tunnel_info *info,
+ __be16 dport, __be16 sport)
{
bool use_cache = ip_tunnel_dst_cache_usable(skb, info);
struct geneve_dev *geneve = netdev_priv(dev);
@@ -839,6 +843,9 @@ static struct dst_entry *geneve_get_v6_dst(struct sk_buff *skb,
fl6->flowi6_proto = IPPROTO_UDP;
fl6->daddr = info->key.u.ipv6.dst;
fl6->saddr = info->key.u.ipv6.src;
+ fl6->fl6_dport = dport;
+ fl6->fl6_sport = sport;
+
prio = info->key.tos;
if ((prio == 1) && !geneve->collect_md) {
prio = ip_tunnel_get_dsfield(ip_hdr(skb), skb);
@@ -885,14 +892,15 @@ static int geneve_xmit_skb(struct sk_buff *skb, struct net_device *dev,
__be16 sport;
int err;
- rt = geneve_get_v4_rt(skb, dev, gs4, &fl4, info);
+ sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true);
+ rt = geneve_get_v4_rt(skb, dev, gs4, &fl4, info,
+ geneve->info.key.tp_dst, sport);
if (IS_ERR(rt))
return PTR_ERR(rt);
skb_tunnel_check_pmtu(skb, &rt->dst,
GENEVE_IPV4_HLEN + info->options_len);
- sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true);
if (geneve->collect_md) {
tos = ip_tunnel_ecn_encap(key->tos, ip_hdr(skb), skb);
ttl = key->ttl;
@@ -947,13 +955,14 @@ static int geneve6_xmit_skb(struct sk_buff *skb, struct net_device *dev,
__be16 sport;
int err;
- dst = geneve_get_v6_dst(skb, dev, gs6, &fl6, info);
+ sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true);
+ dst = geneve_get_v6_dst(skb, dev, gs6, &fl6, info,
+ geneve->info.key.tp_dst, sport);
if (IS_ERR(dst))
return PTR_ERR(dst);
skb_tunnel_check_pmtu(skb, dst, GENEVE_IPV6_HLEN + info->options_len);
- sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true);
if (geneve->collect_md) {
prio = ip_tunnel_ecn_encap(key->tos, ip_hdr(skb), skb);
ttl = key->ttl;
@@ -987,9 +996,10 @@ static netdev_tx_t geneve_xmit(struct sk_buff *skb, struct net_device *dev)
if (geneve->collect_md) {
info = skb_tunnel_info(skb);
if (unlikely(!info || !(info->mode & IP_TUNNEL_INFO_TX))) {
- err = -EINVAL;
netdev_dbg(dev, "no tunnel metadata\n");
- goto tx_error;
+ dev_kfree_skb(skb);
+ dev->stats.tx_dropped++;
+ return NETDEV_TX_OK;
}
} else {
info = &geneve->info;
@@ -1006,7 +1016,7 @@ static netdev_tx_t geneve_xmit(struct sk_buff *skb, struct net_device *dev)
if (likely(!err))
return NETDEV_TX_OK;
-tx_error:
+
dev_kfree_skb(skb);
if (err == -ELOOP)
@@ -1033,13 +1043,18 @@ static int geneve_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb)
{
struct ip_tunnel_info *info = skb_tunnel_info(skb);
struct geneve_dev *geneve = netdev_priv(dev);
+ __be16 sport;
if (ip_tunnel_info_af(info) == AF_INET) {
struct rtable *rt;
struct flowi4 fl4;
+
struct geneve_sock *gs4 = rcu_dereference(geneve->sock4);
+ sport = udp_flow_src_port(geneve->net, skb,
+ 1, USHRT_MAX, true);
- rt = geneve_get_v4_rt(skb, dev, gs4, &fl4, info);
+ rt = geneve_get_v4_rt(skb, dev, gs4, &fl4, info,
+ geneve->info.key.tp_dst, sport);
if (IS_ERR(rt))
return PTR_ERR(rt);
@@ -1049,9 +1064,13 @@ static int geneve_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb)
} else if (ip_tunnel_info_af(info) == AF_INET6) {
struct dst_entry *dst;
struct flowi6 fl6;
+
struct geneve_sock *gs6 = rcu_dereference(geneve->sock6);
+ sport = udp_flow_src_port(geneve->net, skb,
+ 1, USHRT_MAX, true);
- dst = geneve_get_v6_dst(skb, dev, gs6, &fl6, info);
+ dst = geneve_get_v6_dst(skb, dev, gs6, &fl6, info,
+ geneve->info.key.tp_dst, sport);
if (IS_ERR(dst))
return PTR_ERR(dst);
@@ -1062,8 +1081,7 @@ static int geneve_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb)
return -EINVAL;
}
- info->key.tp_src = udp_flow_src_port(geneve->net, skb,
- 1, USHRT_MAX, true);
+ info->key.tp_src = sport;
info->key.tp_dst = geneve->info.key.tp_dst;
return 0;
}
@@ -1614,11 +1632,11 @@ static int geneve_changelink(struct net_device *dev, struct nlattr *tb[],
struct netlink_ext_ack *extack)
{
struct geneve_dev *geneve = netdev_priv(dev);
+ enum ifla_geneve_df df = geneve->df;
struct geneve_sock *gs4, *gs6;
struct ip_tunnel_info info;
bool metadata;
bool use_udp6_rx_checksums;
- enum ifla_geneve_df df;
bool ttl_inherit;
int err;
@@ -1648,6 +1666,7 @@ static int geneve_changelink(struct net_device *dev, struct nlattr *tb[],
geneve->collect_md = metadata;
geneve->use_udp6_rx_checksums = use_udp6_rx_checksums;
geneve->ttl_inherit = ttl_inherit;
+ geneve->df = df;
geneve_unquiesce(geneve, gs4, gs6);
return 0;
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-25 08:40:56 +0000