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-rw-r--r--net/ipv6/addrconf.c4
-rw-r--r--net/ipv6/af_inet6.c13
-rw-r--r--net/ipv6/datagram.c3
-rw-r--r--net/ipv6/esp6_offload.c3
-rw-r--r--net/ipv6/ip6_fib.c7
-rw-r--r--net/ipv6/ip6_gre.c31
-rw-r--r--net/ipv6/ip6_offload.c27
-rw-r--r--net/ipv6/ip6_tunnel.c26
-rw-r--r--net/ipv6/ip6_vti.c16
-rw-r--r--net/ipv6/ip6mr.c10
-rw-r--r--net/ipv6/ipv6_sockglue.c6
-rw-r--r--net/ipv6/netfilter/nf_conntrack_reasm.c2
-rw-r--r--net/ipv6/netfilter/nft_dup_ipv6.c3
-rw-r--r--net/ipv6/ping.c6
-rw-r--r--net/ipv6/raw.c2
-rw-r--r--net/ipv6/reassembly.c13
-rw-r--r--net/ipv6/seg6_local.c4
-rw-r--r--net/ipv6/sit.c22
-rw-r--r--net/ipv6/tcp_ipv6.c29
-rw-r--r--net/ipv6/udp.c41
-rw-r--r--net/ipv6/udp_offload.c8
21 files changed, 111 insertions, 165 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 9c3f5202a97b..c338dfb05d2c 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3320,7 +3320,7 @@ static void addrconf_addr_gen(struct inet6_dev *idev, bool prefix_route)
return;
/* no link local addresses on devices flagged as slaves */
- if (idev->dev->flags & IFF_SLAVE)
+ if (idev->dev->priv_flags & IFF_NO_ADDRCONF)
return;
ipv6_addr_set(&addr, htonl(0xFE800000), 0, 0, 0);
@@ -3560,7 +3560,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
if (idev && idev->cnf.disable_ipv6)
break;
- if (dev->flags & IFF_SLAVE) {
+ if (dev->priv_flags & IFF_NO_ADDRCONF) {
if (event == NETDEV_UP && !IS_ERR_OR_NULL(idev) &&
dev->flags & IFF_UP && dev->flags & IFF_MULTICAST)
ipv6_mc_up(idev);
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 024191004982..fee9163382c2 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -114,6 +114,7 @@ void inet6_sock_destruct(struct sock *sk)
inet6_cleanup_sock(sk);
inet_sock_destruct(sk);
}
+EXPORT_SYMBOL_GPL(inet6_sock_destruct);
static int inet6_create(struct net *net, struct socket *sock, int protocol,
int kern)
@@ -409,10 +410,10 @@ static int __inet6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len,
/* Make sure we are allowed to bind here. */
if (snum || !(inet->bind_address_no_port ||
(flags & BIND_FORCE_ADDRESS_NO_PORT))) {
- if (sk->sk_prot->get_port(sk, snum)) {
+ err = sk->sk_prot->get_port(sk, snum);
+ if (err) {
sk->sk_ipv6only = saved_ipv6only;
inet_reset_saddr(sk);
- err = -EADDRINUSE;
goto out;
}
if (!(flags & BIND_FROM_BPF)) {
@@ -489,7 +490,7 @@ int inet6_release(struct socket *sock)
}
EXPORT_SYMBOL(inet6_release);
-void inet6_destroy_sock(struct sock *sk)
+void inet6_cleanup_sock(struct sock *sk)
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct sk_buff *skb;
@@ -514,12 +515,6 @@ void inet6_destroy_sock(struct sock *sk)
txopt_put(opt);
}
}
-EXPORT_SYMBOL_GPL(inet6_destroy_sock);
-
-void inet6_cleanup_sock(struct sock *sk)
-{
- inet6_destroy_sock(sk);
-}
EXPORT_SYMBOL_GPL(inet6_cleanup_sock);
/*
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index ba28aeb7cade..e624497fa992 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -339,6 +339,7 @@ void ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err,
if (sock_queue_err_skb(sk, skb))
kfree_skb(skb);
}
+EXPORT_SYMBOL_GPL(ipv6_icmp_error);
void ipv6_local_error(struct sock *sk, int err, struct flowi6 *fl6, u32 info)
{
@@ -776,7 +777,7 @@ int ip6_datagram_send_ctl(struct net *net, struct sock *sk,
}
if (cmsg->cmsg_level == SOL_SOCKET) {
- err = __sock_cmsg_send(sk, msg, cmsg, &ipc6->sockc);
+ err = __sock_cmsg_send(sk, cmsg, &ipc6->sockc);
if (err)
return err;
continue;
diff --git a/net/ipv6/esp6_offload.c b/net/ipv6/esp6_offload.c
index 242f4295940e..75c02992c520 100644
--- a/net/ipv6/esp6_offload.c
+++ b/net/ipv6/esp6_offload.c
@@ -56,12 +56,11 @@ static struct sk_buff *esp6_gro_receive(struct list_head *head,
__be32 seq;
__be32 spi;
int nhoff;
- int err;
if (!pskb_pull(skb, offset))
return NULL;
- if ((err = xfrm_parse_spi(skb, IPPROTO_ESP, &spi, &seq)) != 0)
+ if (xfrm_parse_spi(skb, IPPROTO_ESP, &spi, &seq) != 0)
goto out;
xo = xfrm_offload(skb);
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 413f66781e50..2438da5ff6da 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -91,13 +91,12 @@ static void fib6_walker_unlink(struct net *net, struct fib6_walker *w)
static int fib6_new_sernum(struct net *net)
{
- int new, old;
+ int new, old = atomic_read(&net->ipv6.fib6_sernum);
do {
- old = atomic_read(&net->ipv6.fib6_sernum);
new = old < INT_MAX ? old + 1 : 1;
- } while (atomic_cmpxchg(&net->ipv6.fib6_sernum,
- old, new) != old);
+ } while (!atomic_try_cmpxchg(&net->ipv6.fib6_sernum, &old, new));
+
return new;
}
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index c035a96fba3a..89f5f0f3f5d6 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -870,26 +870,6 @@ static inline int ip6gre_xmit_ipv6(struct sk_buff *skb, struct net_device *dev)
return 0;
}
-/**
- * ip6gre_tnl_addr_conflict - compare packet addresses to tunnel's own
- * @t: the outgoing tunnel device
- * @hdr: IPv6 header from the incoming packet
- *
- * Description:
- * Avoid trivial tunneling loop by checking that tunnel exit-point
- * doesn't match source of incoming packet.
- *
- * Return:
- * 1 if conflict,
- * 0 else
- **/
-
-static inline bool ip6gre_tnl_addr_conflict(const struct ip6_tnl *t,
- const struct ipv6hdr *hdr)
-{
- return ipv6_addr_equal(&t->parms.raddr, &hdr->saddr);
-}
-
static int ip6gre_xmit_other(struct sk_buff *skb, struct net_device *dev)
{
struct ip6_tnl *t = netdev_priv(dev);
@@ -915,7 +895,6 @@ static netdev_tx_t ip6gre_tunnel_xmit(struct sk_buff *skb,
struct net_device *dev)
{
struct ip6_tnl *t = netdev_priv(dev);
- struct net_device_stats *stats = &t->dev->stats;
__be16 payload_protocol;
int ret;
@@ -945,8 +924,8 @@ static netdev_tx_t ip6gre_tunnel_xmit(struct sk_buff *skb,
tx_err:
if (!t->parms.collect_md || !IS_ERR(skb_tunnel_info_txcheck(skb)))
- stats->tx_errors++;
- stats->tx_dropped++;
+ DEV_STATS_INC(dev, tx_errors);
+ DEV_STATS_INC(dev, tx_dropped);
kfree_skb(skb);
return NETDEV_TX_OK;
}
@@ -957,7 +936,6 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb,
struct ip_tunnel_info *tun_info = NULL;
struct ip6_tnl *t = netdev_priv(dev);
struct dst_entry *dst = skb_dst(skb);
- struct net_device_stats *stats;
bool truncate = false;
int encap_limit = -1;
__u8 dsfield = false;
@@ -1106,10 +1084,9 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb,
return NETDEV_TX_OK;
tx_err:
- stats = &t->dev->stats;
if (!IS_ERR(tun_info))
- stats->tx_errors++;
- stats->tx_dropped++;
+ DEV_STATS_INC(dev, tx_errors);
+ DEV_STATS_INC(dev, tx_dropped);
kfree_skb(skb);
return NETDEV_TX_OK;
}
diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c
index 3ee345672849..00dc2e3b0184 100644
--- a/net/ipv6/ip6_offload.c
+++ b/net/ipv6/ip6_offload.c
@@ -77,7 +77,7 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb,
struct sk_buff *segs = ERR_PTR(-EINVAL);
struct ipv6hdr *ipv6h;
const struct net_offload *ops;
- int proto, nexthdr;
+ int proto, err;
struct frag_hdr *fptr;
unsigned int payload_len;
u8 *prevhdr;
@@ -87,28 +87,9 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb,
bool gso_partial;
skb_reset_network_header(skb);
- nexthdr = ipv6_has_hopopt_jumbo(skb);
- if (nexthdr) {
- const int hophdr_len = sizeof(struct hop_jumbo_hdr);
- int err;
-
- err = skb_cow_head(skb, 0);
- if (err < 0)
- return ERR_PTR(err);
-
- /* remove the HBH header.
- * Layout: [Ethernet header][IPv6 header][HBH][TCP header]
- */
- memmove(skb_mac_header(skb) + hophdr_len,
- skb_mac_header(skb),
- ETH_HLEN + sizeof(struct ipv6hdr));
- skb->data += hophdr_len;
- skb->len -= hophdr_len;
- skb->network_header += hophdr_len;
- skb->mac_header += hophdr_len;
- ipv6h = (struct ipv6hdr *)skb->data;
- ipv6h->nexthdr = nexthdr;
- }
+ err = ipv6_hopopt_jumbo_remove(skb);
+ if (err)
+ return ERR_PTR(err);
nhoff = skb_network_header(skb) - skb_mac_header(skb);
if (unlikely(!pskb_may_pull(skb, sizeof(*ipv6h))))
goto out;
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 2fb4c6ad7243..47b6607a1370 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -803,8 +803,8 @@ static int __ip6_tnl_rcv(struct ip6_tnl *tunnel, struct sk_buff *skb,
(tunnel->parms.i_flags & TUNNEL_CSUM)) ||
((tpi->flags & TUNNEL_CSUM) &&
!(tunnel->parms.i_flags & TUNNEL_CSUM))) {
- tunnel->dev->stats.rx_crc_errors++;
- tunnel->dev->stats.rx_errors++;
+ DEV_STATS_INC(tunnel->dev, rx_crc_errors);
+ DEV_STATS_INC(tunnel->dev, rx_errors);
goto drop;
}
@@ -812,8 +812,8 @@ static int __ip6_tnl_rcv(struct ip6_tnl *tunnel, struct sk_buff *skb,
if (!(tpi->flags & TUNNEL_SEQ) ||
(tunnel->i_seqno &&
(s32)(ntohl(tpi->seq) - tunnel->i_seqno) < 0)) {
- tunnel->dev->stats.rx_fifo_errors++;
- tunnel->dev->stats.rx_errors++;
+ DEV_STATS_INC(tunnel->dev, rx_fifo_errors);
+ DEV_STATS_INC(tunnel->dev, rx_errors);
goto drop;
}
tunnel->i_seqno = ntohl(tpi->seq) + 1;
@@ -824,8 +824,8 @@ static int __ip6_tnl_rcv(struct ip6_tnl *tunnel, struct sk_buff *skb,
/* Warning: All skb pointers will be invalidated! */
if (tunnel->dev->type == ARPHRD_ETHER) {
if (!pskb_may_pull(skb, ETH_HLEN)) {
- tunnel->dev->stats.rx_length_errors++;
- tunnel->dev->stats.rx_errors++;
+ DEV_STATS_INC(tunnel->dev, rx_length_errors);
+ DEV_STATS_INC(tunnel->dev, rx_errors);
goto drop;
}
@@ -849,8 +849,8 @@ static int __ip6_tnl_rcv(struct ip6_tnl *tunnel, struct sk_buff *skb,
&ipv6h->saddr,
ipv6_get_dsfield(ipv6h));
if (err > 1) {
- ++tunnel->dev->stats.rx_frame_errors;
- ++tunnel->dev->stats.rx_errors;
+ DEV_STATS_INC(tunnel->dev, rx_frame_errors);
+ DEV_STATS_INC(tunnel->dev, rx_errors);
goto drop;
}
}
@@ -1071,7 +1071,6 @@ int ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev, __u8 dsfield,
{
struct ip6_tnl *t = netdev_priv(dev);
struct net *net = t->net;
- struct net_device_stats *stats = &t->dev->stats;
struct ipv6hdr *ipv6h;
struct ipv6_tel_txoption opt;
struct dst_entry *dst = NULL, *ndst = NULL;
@@ -1166,7 +1165,7 @@ route_lookup:
tdev = dst->dev;
if (tdev == dev) {
- stats->collisions++;
+ DEV_STATS_INC(dev, collisions);
net_warn_ratelimited("%s: Local routing loop detected!\n",
t->parms.name);
goto tx_err_dst_release;
@@ -1265,7 +1264,7 @@ route_lookup:
ip6tunnel_xmit(NULL, skb, dev);
return 0;
tx_err_link_failure:
- stats->tx_carrier_errors++;
+ DEV_STATS_INC(dev, tx_carrier_errors);
dst_link_failure(skb);
tx_err_dst_release:
dst_release(dst);
@@ -1408,7 +1407,6 @@ static netdev_tx_t
ip6_tnl_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct ip6_tnl *t = netdev_priv(dev);
- struct net_device_stats *stats = &t->dev->stats;
u8 ipproto;
int ret;
@@ -1438,8 +1436,8 @@ ip6_tnl_start_xmit(struct sk_buff *skb, struct net_device *dev)
return NETDEV_TX_OK;
tx_err:
- stats->tx_errors++;
- stats->tx_dropped++;
+ DEV_STATS_INC(dev, tx_errors);
+ DEV_STATS_INC(dev, tx_dropped);
kfree_skb(skb);
return NETDEV_TX_OK;
}
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index 151337d7f67b..10b222865d46 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -317,7 +317,7 @@ static int vti6_input_proto(struct sk_buff *skb, int nexthdr, __be32 spi,
ipv6h = ipv6_hdr(skb);
if (!ip6_tnl_rcv_ctl(t, &ipv6h->daddr, &ipv6h->saddr)) {
- t->dev->stats.rx_dropped++;
+ DEV_STATS_INC(t->dev, rx_dropped);
rcu_read_unlock();
goto discard;
}
@@ -359,8 +359,8 @@ static int vti6_rcv_cb(struct sk_buff *skb, int err)
dev = t->dev;
if (err) {
- dev->stats.rx_errors++;
- dev->stats.rx_dropped++;
+ DEV_STATS_INC(dev, rx_errors);
+ DEV_STATS_INC(dev, rx_dropped);
return 0;
}
@@ -446,7 +446,6 @@ static int
vti6_xmit(struct sk_buff *skb, struct net_device *dev, struct flowi *fl)
{
struct ip6_tnl *t = netdev_priv(dev);
- struct net_device_stats *stats = &t->dev->stats;
struct dst_entry *dst = skb_dst(skb);
struct net_device *tdev;
struct xfrm_state *x;
@@ -506,7 +505,7 @@ vti6_xmit(struct sk_buff *skb, struct net_device *dev, struct flowi *fl)
tdev = dst->dev;
if (tdev == dev) {
- stats->collisions++;
+ DEV_STATS_INC(dev, collisions);
net_warn_ratelimited("%s: Local routing loop detected!\n",
t->parms.name);
goto tx_err_dst_release;
@@ -544,7 +543,7 @@ xmit:
return 0;
tx_err_link_failure:
- stats->tx_carrier_errors++;
+ DEV_STATS_INC(dev, tx_carrier_errors);
dst_link_failure(skb);
tx_err_dst_release:
dst_release(dst);
@@ -555,7 +554,6 @@ static netdev_tx_t
vti6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct ip6_tnl *t = netdev_priv(dev);
- struct net_device_stats *stats = &t->dev->stats;
struct flowi fl;
int ret;
@@ -591,8 +589,8 @@ vti6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
return NETDEV_TX_OK;
tx_err:
- stats->tx_errors++;
- stats->tx_dropped++;
+ DEV_STATS_INC(dev, tx_errors);
+ DEV_STATS_INC(dev, tx_dropped);
kfree_skb(skb);
return NETDEV_TX_OK;
}
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index facdc78a43e5..23e766597f36 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -608,8 +608,8 @@ static netdev_tx_t reg_vif_xmit(struct sk_buff *skb,
if (ip6mr_fib_lookup(net, &fl6, &mrt) < 0)
goto tx_err;
- dev->stats.tx_bytes += skb->len;
- dev->stats.tx_packets++;
+ DEV_STATS_ADD(dev, tx_bytes, skb->len);
+ DEV_STATS_INC(dev, tx_packets);
rcu_read_lock();
ip6mr_cache_report(mrt, skb, READ_ONCE(mrt->mroute_reg_vif_num),
MRT6MSG_WHOLEPKT);
@@ -618,7 +618,7 @@ static netdev_tx_t reg_vif_xmit(struct sk_buff *skb,
return NETDEV_TX_OK;
tx_err:
- dev->stats.tx_errors++;
+ DEV_STATS_INC(dev, tx_errors);
kfree_skb(skb);
return NETDEV_TX_OK;
}
@@ -2044,8 +2044,8 @@ static int ip6mr_forward2(struct net *net, struct mr_table *mrt,
if (vif->flags & MIFF_REGISTER) {
WRITE_ONCE(vif->pkt_out, vif->pkt_out + 1);
WRITE_ONCE(vif->bytes_out, vif->bytes_out + skb->len);
- vif_dev->stats.tx_bytes += skb->len;
- vif_dev->stats.tx_packets++;
+ DEV_STATS_ADD(vif_dev, tx_bytes, skb->len);
+ DEV_STATS_INC(vif_dev, tx_packets);
ip6mr_cache_report(mrt, skb, vifi, MRT6MSG_WHOLEPKT);
goto out_free;
}
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 532f4478c884..9ce51680290b 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -1005,10 +1005,8 @@ unlock:
return retv;
e_inval:
- sockopt_release_sock(sk);
- if (needs_rtnl)
- rtnl_unlock();
- return -EINVAL;
+ retv = -EINVAL;
+ goto unlock;
}
int ipv6_setsockopt(struct sock *sk, int level, int optname, sockptr_t optval,
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index 38db0064d661..d13240f13607 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -253,7 +253,7 @@ static int nf_ct_frag6_queue(struct frag_queue *fq, struct sk_buff *skb,
if (err) {
if (err == IPFRAG_DUP) {
/* No error for duplicates, pretend they got queued. */
- kfree_skb(skb);
+ kfree_skb_reason(skb, SKB_DROP_REASON_DUP_FRAG);
return -EINPROGRESS;
}
goto insert_error;
diff --git a/net/ipv6/netfilter/nft_dup_ipv6.c b/net/ipv6/netfilter/nft_dup_ipv6.c
index 70a405b4006f..c82f3fdd4a65 100644
--- a/net/ipv6/netfilter/nft_dup_ipv6.c
+++ b/net/ipv6/netfilter/nft_dup_ipv6.c
@@ -50,7 +50,8 @@ static int nft_dup_ipv6_init(const struct nft_ctx *ctx,
return err;
}
-static int nft_dup_ipv6_dump(struct sk_buff *skb, const struct nft_expr *expr)
+static int nft_dup_ipv6_dump(struct sk_buff *skb,
+ const struct nft_expr *expr, bool reset)
{
struct nft_dup_ipv6 *priv = nft_expr_priv(expr);
diff --git a/net/ipv6/ping.c b/net/ipv6/ping.c
index 86c26e48d065..808983bc2ec9 100644
--- a/net/ipv6/ping.c
+++ b/net/ipv6/ping.c
@@ -23,11 +23,6 @@
#include <linux/bpf-cgroup.h>
#include <net/ping.h>
-static void ping_v6_destroy(struct sock *sk)
-{
- inet6_destroy_sock(sk);
-}
-
/* Compatibility glue so we can support IPv6 when it's compiled as a module */
static int dummy_ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len,
int *addr_len)
@@ -205,7 +200,6 @@ struct proto pingv6_prot = {
.owner = THIS_MODULE,
.init = ping_init_sock,
.close = ping_close,
- .destroy = ping_v6_destroy,
.pre_connect = ping_v6_pre_connect,
.connect = ip6_datagram_connect_v6_only,
.disconnect = __udp_disconnect,
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 722de9dd0ff7..a06a9f847db5 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -1173,8 +1173,6 @@ static void raw6_destroy(struct sock *sk)
lock_sock(sk);
ip6_flush_pending_frames(sk);
release_sock(sk);
-
- inet6_destroy_sock(sk);
}
static int rawv6_init_sk(struct sock *sk)
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index ff866f2a879e..5bc8a28e67f9 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -112,10 +112,14 @@ static int ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
struct sk_buff *prev_tail;
struct net_device *dev;
int err = -ENOENT;
+ SKB_DR(reason);
u8 ecn;
- if (fq->q.flags & INET_FRAG_COMPLETE)
+ /* If reassembly is already done, @skb must be a duplicate frag. */
+ if (fq->q.flags & INET_FRAG_COMPLETE) {
+ SKB_DR_SET(reason, DUP_FRAG);
goto err;
+ }
err = -EINVAL;
offset = ntohs(fhdr->frag_off) & ~0x7;
@@ -226,8 +230,9 @@ static int ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
insert_error:
if (err == IPFRAG_DUP) {
- kfree_skb(skb);
- return -EINVAL;
+ SKB_DR_SET(reason, DUP_FRAG);
+ err = -EINVAL;
+ goto err;
}
err = -EINVAL;
__IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
@@ -237,7 +242,7 @@ discard_fq:
__IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
IPSTATS_MIB_REASMFAILS);
err:
- kfree_skb(skb);
+ kfree_skb_reason(skb, reason);
return err;
}
diff --git a/net/ipv6/seg6_local.c b/net/ipv6/seg6_local.c
index 8370726ae7bf..487f8e98deaa 100644
--- a/net/ipv6/seg6_local.c
+++ b/net/ipv6/seg6_local.c
@@ -1644,13 +1644,13 @@ static int put_nla_counters(struct sk_buff *skb, struct seg6_local_lwt *slwt)
pcounters = per_cpu_ptr(slwt->pcpu_counters, i);
do {
- start = u64_stats_fetch_begin_irq(&pcounters->syncp);
+ start = u64_stats_fetch_begin(&pcounters->syncp);
packets = u64_stats_read(&pcounters->packets);
bytes = u64_stats_read(&pcounters->bytes);
errors = u64_stats_read(&pcounters->errors);
- } while (u64_stats_fetch_retry_irq(&pcounters->syncp, start));
+ } while (u64_stats_fetch_retry(&pcounters->syncp, start));
counters.packets += packets;
counters.bytes += bytes;
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 5703d3cbea9b..70d81bba5093 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -694,7 +694,7 @@ static int ipip6_rcv(struct sk_buff *skb)
skb->dev = tunnel->dev;
if (packet_is_spoofed(skb, iph, tunnel)) {
- tunnel->dev->stats.rx_errors++;
+ DEV_STATS_INC(tunnel->dev, rx_errors);
goto out;
}
@@ -714,8 +714,8 @@ static int ipip6_rcv(struct sk_buff *skb)
net_info_ratelimited("non-ECT from %pI4 with TOS=%#x\n",
&iph->saddr, iph->tos);
if (err > 1) {
- ++tunnel->dev->stats.rx_frame_errors;
- ++tunnel->dev->stats.rx_errors;
+ DEV_STATS_INC(tunnel->dev, rx_frame_errors);
+ DEV_STATS_INC(tunnel->dev, rx_errors);
goto out;
}
}
@@ -942,7 +942,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
if (!rt) {
rt = ip_route_output_flow(tunnel->net, &fl4, NULL);
if (IS_ERR(rt)) {
- dev->stats.tx_carrier_errors++;
+ DEV_STATS_INC(dev, tx_carrier_errors);
goto tx_error_icmp;
}
dst_cache_set_ip4(&tunnel->dst_cache, &rt->dst, fl4.saddr);
@@ -950,14 +950,14 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
if (rt->rt_type != RTN_UNICAST && rt->rt_type != RTN_LOCAL) {
ip_rt_put(rt);
- dev->stats.tx_carrier_errors++;
+ DEV_STATS_INC(dev, tx_carrier_errors);
goto tx_error_icmp;
}
tdev = rt->dst.dev;
if (tdev == dev) {
ip_rt_put(rt);
- dev->stats.collisions++;
+ DEV_STATS_INC(dev, collisions);
goto tx_error;
}
@@ -970,7 +970,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
mtu = dst_mtu(&rt->dst) - t_hlen;
if (mtu < IPV4_MIN_MTU) {
- dev->stats.collisions++;
+ DEV_STATS_INC(dev, collisions);
ip_rt_put(rt);
goto tx_error;
}
@@ -1009,7 +1009,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
struct sk_buff *new_skb = skb_realloc_headroom(skb, max_headroom);
if (!new_skb) {
ip_rt_put(rt);
- dev->stats.tx_dropped++;
+ DEV_STATS_INC(dev, tx_dropped);
kfree_skb(skb);
return NETDEV_TX_OK;
}
@@ -1039,7 +1039,7 @@ tx_error_icmp:
dst_link_failure(skb);
tx_error:
kfree_skb(skb);
- dev->stats.tx_errors++;
+ DEV_STATS_INC(dev, tx_errors);
return NETDEV_TX_OK;
}
@@ -1058,7 +1058,7 @@ static netdev_tx_t sit_tunnel_xmit__(struct sk_buff *skb,
return NETDEV_TX_OK;
tx_error:
kfree_skb(skb);
- dev->stats.tx_errors++;
+ DEV_STATS_INC(dev, tx_errors);
return NETDEV_TX_OK;
}
@@ -1087,7 +1087,7 @@ static netdev_tx_t sit_tunnel_xmit(struct sk_buff *skb,
return NETDEV_TX_OK;
tx_err:
- dev->stats.tx_errors++;
+ DEV_STATS_INC(dev, tx_errors);
kfree_skb(skb);
return NETDEV_TX_OK;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index f0548dbcabd2..11b736a76bd7 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -665,12 +665,11 @@ static int tcp_v6_parse_md5_keys(struct sock *sk, int optname,
if (ipv6_addr_v4mapped(&sin6->sin6_addr))
return tcp_md5_do_add(sk, (union tcp_md5_addr *)&sin6->sin6_addr.s6_addr32[3],
AF_INET, prefixlen, l3index, flags,
- cmd.tcpm_key, cmd.tcpm_keylen,
- GFP_KERNEL);
+ cmd.tcpm_key, cmd.tcpm_keylen);
return tcp_md5_do_add(sk, (union tcp_md5_addr *)&sin6->sin6_addr,
AF_INET6, prefixlen, l3index, flags,
- cmd.tcpm_key, cmd.tcpm_keylen, GFP_KERNEL);
+ cmd.tcpm_key, cmd.tcpm_keylen);
}
static int tcp_v6_md5_hash_headers(struct tcp_md5sig_pool *hp,
@@ -1365,14 +1364,14 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff *
/* Copy over the MD5 key from the original socket */
key = tcp_v6_md5_do_lookup(sk, &newsk->sk_v6_daddr, l3index);
if (key) {
- /* We're using one, so create a matching key
- * on the newsk structure. If we fail to get
- * memory, then we end up not copying the key
- * across. Shucks.
- */
- tcp_md5_do_add(newsk, (union tcp_md5_addr *)&newsk->sk_v6_daddr,
- AF_INET6, 128, l3index, key->flags, key->key, key->keylen,
- sk_gfp_mask(sk, GFP_ATOMIC));
+ const union tcp_md5_addr *addr;
+
+ addr = (union tcp_md5_addr *)&newsk->sk_v6_daddr;
+ if (tcp_md5_key_copy(newsk, addr, AF_INET6, 128, l3index, key)) {
+ inet_csk_prepare_forced_close(newsk);
+ tcp_done(newsk);
+ goto out;
+ }
}
#endif
@@ -1954,12 +1953,6 @@ static int tcp_v6_init_sock(struct sock *sk)
return 0;
}
-static void tcp_v6_destroy_sock(struct sock *sk)
-{
- tcp_v4_destroy_sock(sk);
- inet6_destroy_sock(sk);
-}
-
#ifdef CONFIG_PROC_FS
/* Proc filesystem TCPv6 sock list dumping. */
static void get_openreq6(struct seq_file *seq,
@@ -2152,7 +2145,7 @@ struct proto tcpv6_prot = {
.accept = inet_csk_accept,
.ioctl = tcp_ioctl,
.init = tcp_v6_init_sock,
- .destroy = tcp_v6_destroy_sock,
+ .destroy = tcp_v4_destroy_sock,
.shutdown = tcp_shutdown,
.setsockopt = tcp_setsockopt,
.getsockopt = tcp_getsockopt,
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index bc65e5b7195b..9fb2f33ee3a7 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -64,7 +64,7 @@ static void udpv6_destruct_sock(struct sock *sk)
int udpv6_init_sock(struct sock *sk)
{
- skb_queue_head_init(&udp_sk(sk)->reader_queue);
+ udp_lib_init_sock(sk);
sk->sk_destruct = udpv6_destruct_sock;
set_bit(SOCK_SUPPORT_ZC, &sk->sk_socket->flags);
return 0;
@@ -217,7 +217,7 @@ static inline struct sock *udp6_lookup_run_bpf(struct net *net,
struct sock *sk, *reuse_sk;
bool no_reuseport;
- if (udptable != &udp_table)
+ if (udptable != net->ipv4.udp_table)
return NULL; /* only UDP is supported */
no_reuseport = bpf_sk_lookup_run_v6(net, IPPROTO_UDP, saddr, sport,
@@ -298,10 +298,11 @@ struct sock *udp6_lib_lookup_skb(const struct sk_buff *skb,
__be16 sport, __be16 dport)
{
const struct ipv6hdr *iph = ipv6_hdr(skb);
+ struct net *net = dev_net(skb->dev);
- return __udp6_lib_lookup(dev_net(skb->dev), &iph->saddr, sport,
+ return __udp6_lib_lookup(net, &iph->saddr, sport,
&iph->daddr, dport, inet6_iif(skb),
- inet6_sdif(skb), &udp_table, NULL);
+ inet6_sdif(skb), net->ipv4.udp_table, NULL);
}
/* Must be called under rcu_read_lock().
@@ -314,7 +315,7 @@ struct sock *udp6_lib_lookup(struct net *net, const struct in6_addr *saddr, __be
struct sock *sk;
sk = __udp6_lib_lookup(net, saddr, sport, daddr, dport,
- dif, 0, &udp_table, NULL);
+ dif, 0, net->ipv4.udp_table, NULL);
if (sk && !refcount_inc_not_zero(&sk->sk_refcnt))
sk = NULL;
return sk;
@@ -632,7 +633,8 @@ int __udp6_lib_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
/* Tunnels don't have an application socket: don't pass errors back */
if (tunnel) {
if (udp_sk(sk)->encap_err_rcv)
- udp_sk(sk)->encap_err_rcv(sk, skb, offset);
+ udp_sk(sk)->encap_err_rcv(sk, skb, err, uh->dest,
+ ntohl(info), (u8 *)(uh+1));
goto out;
}
@@ -688,7 +690,8 @@ static __inline__ int udpv6_err(struct sk_buff *skb,
struct inet6_skb_parm *opt, u8 type,
u8 code, int offset, __be32 info)
{
- return __udp6_lib_err(skb, opt, type, code, offset, info, &udp_table);
+ return __udp6_lib_err(skb, opt, type, code, offset, info,
+ dev_net(skb->dev)->ipv4.udp_table);
}
static int udpv6_queue_rcv_one_skb(struct sock *sk, struct sk_buff *skb)
@@ -1062,13 +1065,18 @@ static struct sock *__udp6_lib_demux_lookup(struct net *net,
__be16 rmt_port, const struct in6_addr *rmt_addr,
int dif, int sdif)
{
+ struct udp_table *udptable = net->ipv4.udp_table;
unsigned short hnum = ntohs(loc_port);
- unsigned int hash2 = ipv6_portaddr_hash(net, loc_addr, hnum);
- unsigned int slot2 = hash2 & udp_table.mask;
- struct udp_hslot *hslot2 = &udp_table.hash2[slot2];
- const __portpair ports = INET_COMBINED_PORTS(rmt_port, hnum);
+ unsigned int hash2, slot2;
+ struct udp_hslot *hslot2;
+ __portpair ports;
struct sock *sk;
+ hash2 = ipv6_portaddr_hash(net, loc_addr, hnum);
+ slot2 = hash2 & udptable->mask;
+ hslot2 = &udptable->hash2[slot2];
+ ports = INET_COMBINED_PORTS(rmt_port, hnum);
+
udp_portaddr_for_each_entry_rcu(sk, &hslot2->head) {
if (sk->sk_state == TCP_ESTABLISHED &&
inet6_match(net, sk, rmt_addr, loc_addr, ports, dif, sdif))
@@ -1122,7 +1130,7 @@ void udp_v6_early_demux(struct sk_buff *skb)
INDIRECT_CALLABLE_SCOPE int udpv6_rcv(struct sk_buff *skb)
{
- return __udp6_lib_rcv(skb, &udp_table, IPPROTO_UDP);
+ return __udp6_lib_rcv(skb, dev_net(skb->dev)->ipv4.udp_table, IPPROTO_UDP);
}
/*
@@ -1639,6 +1647,7 @@ do_confirm:
err = 0;
goto out;
}
+EXPORT_SYMBOL(udpv6_sendmsg);
void udpv6_destroy_sock(struct sock *sk)
{
@@ -1662,8 +1671,6 @@ void udpv6_destroy_sock(struct sock *sk)
udp_encap_disable();
}
}
-
- inet6_destroy_sock(sk);
}
/*
@@ -1672,7 +1679,7 @@ void udpv6_destroy_sock(struct sock *sk)
int udpv6_setsockopt(struct sock *sk, int level, int optname, sockptr_t optval,
unsigned int optlen)
{
- if (level == SOL_UDP || level == SOL_UDPLITE)
+ if (level == SOL_UDP || level == SOL_UDPLITE || level == SOL_SOCKET)
return udp_lib_setsockopt(sk, level, optname,
optval, optlen,
udp_v6_push_pending_frames);
@@ -1720,7 +1727,7 @@ EXPORT_SYMBOL(udp6_seq_ops);
static struct udp_seq_afinfo udp6_seq_afinfo = {
.family = AF_INET6,
- .udp_table = &udp_table,
+ .udp_table = NULL,
};
int __net_init udp6_proc_init(struct net *net)
@@ -1770,7 +1777,7 @@ struct proto udpv6_prot = {
.sysctl_wmem_offset = offsetof(struct net, ipv4.sysctl_udp_wmem_min),
.sysctl_rmem_offset = offsetof(struct net, ipv4.sysctl_udp_rmem_min),
.obj_size = sizeof(struct udp6_sock),
- .h.udp_table = &udp_table,
+ .h.udp_table = NULL,
.diag_destroy = udp_abort,
};
diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c
index 7720d04ed396..c39c1e32f980 100644
--- a/net/ipv6/udp_offload.c
+++ b/net/ipv6/udp_offload.c
@@ -42,7 +42,8 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb,
if (!pskb_may_pull(skb, sizeof(struct udphdr)))
goto out;
- if (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4)
+ if (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4 &&
+ !skb_gso_ok(skb, features | NETIF_F_GSO_ROBUST))
return __udp_gso_segment(skb, features, true);
mss = skb_shinfo(skb)->gso_size;
@@ -116,10 +117,11 @@ static struct sock *udp6_gro_lookup_skb(struct sk_buff *skb, __be16 sport,
__be16 dport)
{
const struct ipv6hdr *iph = skb_gro_network_header(skb);
+ struct net *net = dev_net(skb->dev);
- return __udp6_lib_lookup(dev_net(skb->dev), &iph->saddr, sport,
+ return __udp6_lib_lookup(net, &iph->saddr, sport,
&iph->daddr, dport, inet6_iif(skb),
- inet6_sdif(skb), &udp_table, NULL);
+ inet6_sdif(skb), net->ipv4.udp_table, NULL);
}
INDIRECT_CALLABLE_SCOPE
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-23 16:28:23 +0300