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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.c72
1 files changed, 42 insertions, 30 deletions
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index 6c2835086b57..642155cb8315 100644
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -225,22 +225,25 @@ static void geneve_rx(struct geneve_dev *geneve, struct geneve_sock *gs,
void *oiph;
if (ip_tunnel_collect_metadata() || gs->collect_md) {
- __be16 flags;
+ IP_TUNNEL_DECLARE_FLAGS(flags) = { };
- flags = TUNNEL_KEY | (gnvh->oam ? TUNNEL_OAM : 0) |
- (gnvh->critical ? TUNNEL_CRIT_OPT : 0);
+ __set_bit(IP_TUNNEL_KEY_BIT, flags);
+ __assign_bit(IP_TUNNEL_OAM_BIT, flags, gnvh->oam);
+ __assign_bit(IP_TUNNEL_CRIT_OPT_BIT, flags, gnvh->critical);
tun_dst = udp_tun_rx_dst(skb, geneve_get_sk_family(gs), flags,
vni_to_tunnel_id(gnvh->vni),
gnvh->opt_len * 4);
if (!tun_dst) {
- DEV_STATS_INC(geneve->dev, rx_dropped);
+ dev_dstats_rx_dropped(geneve->dev);
goto drop;
}
/* Update tunnel dst according to Geneve options. */
+ ip_tunnel_flags_zero(flags);
+ __set_bit(IP_TUNNEL_GENEVE_OPT_BIT, flags);
ip_tunnel_info_opts_set(&tun_dst->u.tun_info,
gnvh->options, gnvh->opt_len * 4,
- TUNNEL_GENEVE_OPT);
+ flags);
} else {
/* Drop packets w/ critical options,
* since we don't support any...
@@ -319,7 +322,7 @@ static void geneve_rx(struct geneve_dev *geneve, struct geneve_sock *gs,
len = skb->len;
err = gro_cells_receive(&geneve->gro_cells, skb);
if (likely(err == NET_RX_SUCCESS))
- dev_sw_netstats_rx_add(geneve->dev, len);
+ dev_dstats_rx_add(geneve->dev, len);
return;
drop:
@@ -384,14 +387,14 @@ static int geneve_udp_encap_recv(struct sock *sk, struct sk_buff *skb)
if (unlikely((!geneve->cfg.inner_proto_inherit &&
inner_proto != htons(ETH_P_TEB)))) {
- DEV_STATS_INC(geneve->dev, rx_dropped);
+ dev_dstats_rx_dropped(geneve->dev);
goto drop;
}
opts_len = geneveh->opt_len * 4;
if (iptunnel_pull_header(skb, GENEVE_BASE_HLEN + opts_len, inner_proto,
!net_eq(geneve->net, dev_net(geneve->dev)))) {
- DEV_STATS_INC(geneve->dev, rx_dropped);
+ dev_dstats_rx_dropped(geneve->dev);
goto drop;
}
@@ -745,14 +748,15 @@ static void geneve_build_header(struct genevehdr *geneveh,
{
geneveh->ver = GENEVE_VER;
geneveh->opt_len = info->options_len / 4;
- geneveh->oam = !!(info->key.tun_flags & TUNNEL_OAM);
- geneveh->critical = !!(info->key.tun_flags & TUNNEL_CRIT_OPT);
+ geneveh->oam = test_bit(IP_TUNNEL_OAM_BIT, info->key.tun_flags);
+ geneveh->critical = test_bit(IP_TUNNEL_CRIT_OPT_BIT,
+ info->key.tun_flags);
geneveh->rsvd1 = 0;
tunnel_id_to_vni(info->key.tun_id, geneveh->vni);
geneveh->proto_type = inner_proto;
geneveh->rsvd2 = 0;
- if (info->key.tun_flags & TUNNEL_GENEVE_OPT)
+ if (test_bit(IP_TUNNEL_GENEVE_OPT_BIT, info->key.tun_flags))
ip_tunnel_info_opts_get(geneveh->options, info);
}
@@ -761,7 +765,7 @@ static int geneve_build_skb(struct dst_entry *dst, struct sk_buff *skb,
bool xnet, int ip_hdr_len,
bool inner_proto_inherit)
{
- bool udp_sum = !!(info->key.tun_flags & TUNNEL_CSUM);
+ bool udp_sum = test_bit(IP_TUNNEL_CSUM_BIT, info->key.tun_flags);
struct genevehdr *gnvh;
__be16 inner_proto;
int min_headroom;
@@ -811,6 +815,7 @@ static int geneve_xmit_skb(struct sk_buff *skb, struct net_device *dev,
struct geneve_dev *geneve,
const struct ip_tunnel_info *info)
{
+ bool inner_proto_inherit = geneve->cfg.inner_proto_inherit;
bool xnet = !net_eq(geneve->net, dev_net(geneve->dev));
struct geneve_sock *gs4 = rcu_dereference(geneve->sock4);
const struct ip_tunnel_key *key = &info->key;
@@ -822,7 +827,7 @@ static int geneve_xmit_skb(struct sk_buff *skb, struct net_device *dev,
__be16 sport;
int err;
- if (!skb_vlan_inet_prepare(skb))
+ if (skb_vlan_inet_prepare(skb, inner_proto_inherit))
return -EINVAL;
if (!gs4)
@@ -878,7 +883,8 @@ static int geneve_xmit_skb(struct sk_buff *skb, struct net_device *dev,
if (geneve->cfg.collect_md) {
ttl = key->ttl;
- df = key->tun_flags & TUNNEL_DONT_FRAGMENT ? htons(IP_DF) : 0;
+ df = test_bit(IP_TUNNEL_DONT_FRAGMENT_BIT, key->tun_flags) ?
+ htons(IP_DF) : 0;
} else {
if (geneve->cfg.ttl_inherit)
ttl = ip_tunnel_get_ttl(ip_hdr(skb), skb);
@@ -889,7 +895,7 @@ static int geneve_xmit_skb(struct sk_buff *skb, struct net_device *dev,
if (geneve->cfg.df == GENEVE_DF_SET) {
df = htons(IP_DF);
} else if (geneve->cfg.df == GENEVE_DF_INHERIT) {
- struct ethhdr *eth = eth_hdr(skb);
+ struct ethhdr *eth = skb_eth_hdr(skb);
if (ntohs(eth->h_proto) == ETH_P_IPV6) {
df = htons(IP_DF);
@@ -903,14 +909,15 @@ static int geneve_xmit_skb(struct sk_buff *skb, struct net_device *dev,
}
err = geneve_build_skb(&rt->dst, skb, info, xnet, sizeof(struct iphdr),
- geneve->cfg.inner_proto_inherit);
+ inner_proto_inherit);
if (unlikely(err))
return err;
udp_tunnel_xmit_skb(rt, gs4->sock->sk, skb, saddr, info->key.u.ipv4.dst,
tos, ttl, df, sport, geneve->cfg.info.key.tp_dst,
!net_eq(geneve->net, dev_net(geneve->dev)),
- !(info->key.tun_flags & TUNNEL_CSUM));
+ !test_bit(IP_TUNNEL_CSUM_BIT,
+ info->key.tun_flags));
return 0;
}
@@ -919,6 +926,7 @@ static int geneve6_xmit_skb(struct sk_buff *skb, struct net_device *dev,
struct geneve_dev *geneve,
const struct ip_tunnel_info *info)
{
+ bool inner_proto_inherit = geneve->cfg.inner_proto_inherit;
bool xnet = !net_eq(geneve->net, dev_net(geneve->dev));
struct geneve_sock *gs6 = rcu_dereference(geneve->sock6);
const struct ip_tunnel_key *key = &info->key;
@@ -929,7 +937,7 @@ static int geneve6_xmit_skb(struct sk_buff *skb, struct net_device *dev,
__be16 sport;
int err;
- if (!skb_vlan_inet_prepare(skb))
+ if (skb_vlan_inet_prepare(skb, inner_proto_inherit))
return -EINVAL;
if (!gs6)
@@ -991,14 +999,15 @@ static int geneve6_xmit_skb(struct sk_buff *skb, struct net_device *dev,
ttl = ttl ? : ip6_dst_hoplimit(dst);
}
err = geneve_build_skb(dst, skb, info, xnet, sizeof(struct ipv6hdr),
- geneve->cfg.inner_proto_inherit);
+ inner_proto_inherit);
if (unlikely(err))
return err;
udp_tunnel6_xmit_skb(dst, gs6->sock->sk, skb, dev,
&saddr, &key->u.ipv6.dst, prio, ttl,
info->key.label, sport, geneve->cfg.info.key.tp_dst,
- !(info->key.tun_flags & TUNNEL_CSUM));
+ !test_bit(IP_TUNNEL_CSUM_BIT,
+ info->key.tun_flags));
return 0;
}
#endif
@@ -1014,7 +1023,7 @@ static netdev_tx_t geneve_xmit(struct sk_buff *skb, struct net_device *dev)
if (unlikely(!info || !(info->mode & IP_TUNNEL_INFO_TX))) {
netdev_dbg(dev, "no tunnel metadata\n");
dev_kfree_skb(skb);
- DEV_STATS_INC(dev, tx_dropped);
+ dev_dstats_tx_dropped(dev);
return NETDEV_TX_OK;
}
} else {
@@ -1052,7 +1061,7 @@ static int geneve_change_mtu(struct net_device *dev, int new_mtu)
else if (new_mtu < dev->min_mtu)
new_mtu = dev->min_mtu;
- dev->mtu = new_mtu;
+ WRITE_ONCE(dev->mtu, new_mtu);
return 0;
}
@@ -1185,7 +1194,6 @@ static void geneve_setup(struct net_device *dev)
SET_NETDEV_DEVTYPE(dev, &geneve_type);
- dev->features |= NETIF_F_LLTX;
dev->features |= NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_FRAGLIST;
dev->features |= NETIF_F_RXCSUM;
dev->features |= NETIF_F_GSO_SOFTWARE;
@@ -1194,7 +1202,7 @@ static void geneve_setup(struct net_device *dev)
dev->hw_features |= NETIF_F_RXCSUM;
dev->hw_features |= NETIF_F_GSO_SOFTWARE;
- dev->pcpu_stat_type = NETDEV_PCPU_STAT_TSTATS;
+ dev->pcpu_stat_type = NETDEV_PCPU_STAT_DSTATS;
/* MTU range: 68 - (something less than 65535) */
dev->min_mtu = ETH_MIN_MTU;
/* The max_mtu calculation does not take account of GENEVE
@@ -1206,6 +1214,7 @@ static void geneve_setup(struct net_device *dev)
netif_keep_dst(dev);
dev->priv_flags &= ~IFF_TX_SKB_SHARING;
dev->priv_flags |= IFF_LIVE_ADDR_CHANGE | IFF_NO_QUEUE;
+ dev->lltx = true;
eth_hw_addr_random(dev);
}
@@ -1297,7 +1306,8 @@ static struct geneve_dev *geneve_find_dev(struct geneve_net *gn,
static bool is_tnl_info_zero(const struct ip_tunnel_info *info)
{
- return !(info->key.tun_id || info->key.tun_flags || info->key.tos ||
+ return !(info->key.tun_id || info->key.tos ||
+ !ip_tunnel_flags_empty(info->key.tun_flags) ||
info->key.ttl || info->key.label || info->key.tp_src ||
memchr_inv(&info->key.u, 0, sizeof(info->key.u)));
}
@@ -1435,7 +1445,7 @@ static int geneve_nl2info(struct nlattr *tb[], struct nlattr *data[],
"Remote IPv6 address cannot be Multicast");
return -EINVAL;
}
- info->key.tun_flags |= TUNNEL_CSUM;
+ __set_bit(IP_TUNNEL_CSUM_BIT, info->key.tun_flags);
cfg->use_udp6_rx_checksums = true;
#else
NL_SET_ERR_MSG_ATTR(extack, data[IFLA_GENEVE_REMOTE6],
@@ -1510,7 +1520,7 @@ static int geneve_nl2info(struct nlattr *tb[], struct nlattr *data[],
goto change_notsup;
}
if (nla_get_u8(data[IFLA_GENEVE_UDP_CSUM]))
- info->key.tun_flags |= TUNNEL_CSUM;
+ __set_bit(IP_TUNNEL_CSUM_BIT, info->key.tun_flags);
}
if (data[IFLA_GENEVE_UDP_ZERO_CSUM6_TX]) {
@@ -1520,7 +1530,7 @@ static int geneve_nl2info(struct nlattr *tb[], struct nlattr *data[],
goto change_notsup;
}
if (nla_get_u8(data[IFLA_GENEVE_UDP_ZERO_CSUM6_TX]))
- info->key.tun_flags &= ~TUNNEL_CSUM;
+ __clear_bit(IP_TUNNEL_CSUM_BIT, info->key.tun_flags);
#else
NL_SET_ERR_MSG_ATTR(extack, data[IFLA_GENEVE_UDP_ZERO_CSUM6_TX],
"IPv6 support not enabled in the kernel");
@@ -1753,7 +1763,8 @@ static int geneve_fill_info(struct sk_buff *skb, const struct net_device *dev)
info->key.u.ipv4.dst))
goto nla_put_failure;
if (nla_put_u8(skb, IFLA_GENEVE_UDP_CSUM,
- !!(info->key.tun_flags & TUNNEL_CSUM)))
+ test_bit(IP_TUNNEL_CSUM_BIT,
+ info->key.tun_flags)))
goto nla_put_failure;
#if IS_ENABLED(CONFIG_IPV6)
@@ -1762,7 +1773,8 @@ static int geneve_fill_info(struct sk_buff *skb, const struct net_device *dev)
&info->key.u.ipv6.dst))
goto nla_put_failure;
if (nla_put_u8(skb, IFLA_GENEVE_UDP_ZERO_CSUM6_TX,
- !(info->key.tun_flags & TUNNEL_CSUM)))
+ !test_bit(IP_TUNNEL_CSUM_BIT,
+ info->key.tun_flags)))
goto nla_put_failure;
#endif
}
generated by cgit (git 2.34.1) at 2025-03-22 08:52:21 +0000