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-rw-r--r--net/bridge/br_sysfs_br.c3
-rw-r--r--net/core/ethtool.c81
-rw-r--r--net/core/net-sysfs.c4
-rw-r--r--net/ipv4/ip_gre.c7
-rw-r--r--net/ipv4/ip_tunnel.c7
-rw-r--r--net/ipv4/ip_tunnel_core.c9
-rw-r--r--net/ipv4/ip_vti.c2
-rw-r--r--net/ipv4/tcp.c5
-rw-r--r--net/ipv4/tcp_ipv4.c21
-rw-r--r--net/ipv4/tcp_minisocks.c7
-rw-r--r--net/ipv4/udp_tunnel.c11
-rw-r--r--net/ipv6/sit.c7
-rw-r--r--net/ipv6/tcp_ipv6.c10
-rw-r--r--net/rds/page.c31
-rw-r--r--net/tipc/udp_media.c12
15 files changed, 136 insertions, 81 deletions
diff --git a/net/bridge/br_sysfs_br.c b/net/bridge/br_sysfs_br.c
index 8365bd53c421..6b8091407ca3 100644
--- a/net/bridge/br_sysfs_br.c
+++ b/net/bridge/br_sysfs_br.c
@@ -22,7 +22,6 @@
#include "br_private.h"
-#define to_dev(obj) container_of(obj, struct device, kobj)
#define to_bridge(cd) ((struct net_bridge *)netdev_priv(to_net_dev(cd)))
/*
@@ -814,7 +813,7 @@ static ssize_t brforward_read(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
- struct device *dev = to_dev(kobj);
+ struct device *dev = kobj_to_dev(kobj);
struct net_bridge *br = to_bridge(dev);
int n;
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 09948a726347..daf04709dd3c 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -191,6 +191,23 @@ static int ethtool_set_features(struct net_device *dev, void __user *useraddr)
return ret;
}
+static int phy_get_sset_count(struct phy_device *phydev)
+{
+ int ret;
+
+ if (phydev->drv->get_sset_count &&
+ phydev->drv->get_strings &&
+ phydev->drv->get_stats) {
+ mutex_lock(&phydev->lock);
+ ret = phydev->drv->get_sset_count(phydev);
+ mutex_unlock(&phydev->lock);
+
+ return ret;
+ }
+
+ return -EOPNOTSUPP;
+}
+
static int __ethtool_get_sset_count(struct net_device *dev, int sset)
{
const struct ethtool_ops *ops = dev->ethtool_ops;
@@ -204,6 +221,13 @@ static int __ethtool_get_sset_count(struct net_device *dev, int sset)
if (sset == ETH_SS_TUNABLES)
return ARRAY_SIZE(tunable_strings);
+ if (sset == ETH_SS_PHY_STATS) {
+ if (dev->phydev)
+ return phy_get_sset_count(dev->phydev);
+ else
+ return -EOPNOTSUPP;
+ }
+
if (ops->get_sset_count && ops->get_strings)
return ops->get_sset_count(dev, sset);
else
@@ -223,7 +247,17 @@ static void __ethtool_get_strings(struct net_device *dev,
sizeof(rss_hash_func_strings));
else if (stringset == ETH_SS_TUNABLES)
memcpy(data, tunable_strings, sizeof(tunable_strings));
- else
+ else if (stringset == ETH_SS_PHY_STATS) {
+ struct phy_device *phydev = dev->phydev;
+
+ if (phydev) {
+ mutex_lock(&phydev->lock);
+ phydev->drv->get_strings(phydev, data);
+ mutex_unlock(&phydev->lock);
+ } else {
+ return;
+ }
+ } else
/* ops->get_strings is valid because checked earlier */
ops->get_strings(dev, stringset, data);
}
@@ -1401,6 +1435,47 @@ static int ethtool_get_stats(struct net_device *dev, void __user *useraddr)
return ret;
}
+static int ethtool_get_phy_stats(struct net_device *dev, void __user *useraddr)
+{
+ struct ethtool_stats stats;
+ struct phy_device *phydev = dev->phydev;
+ u64 *data;
+ int ret, n_stats;
+
+ if (!phydev)
+ return -EOPNOTSUPP;
+
+ n_stats = phy_get_sset_count(phydev);
+
+ if (n_stats < 0)
+ return n_stats;
+ WARN_ON(n_stats == 0);
+
+ if (copy_from_user(&stats, useraddr, sizeof(stats)))
+ return -EFAULT;
+
+ stats.n_stats = n_stats;
+ data = kmalloc_array(n_stats, sizeof(u64), GFP_USER);
+ if (!data)
+ return -ENOMEM;
+
+ mutex_lock(&phydev->lock);
+ phydev->drv->get_stats(phydev, &stats, data);
+ mutex_unlock(&phydev->lock);
+
+ ret = -EFAULT;
+ if (copy_to_user(useraddr, &stats, sizeof(stats)))
+ goto out;
+ useraddr += sizeof(stats);
+ if (copy_to_user(useraddr, data, stats.n_stats * sizeof(u64)))
+ goto out;
+ ret = 0;
+
+ out:
+ kfree(data);
+ return ret;
+}
+
static int ethtool_get_perm_addr(struct net_device *dev, void __user *useraddr)
{
struct ethtool_perm_addr epaddr;
@@ -1779,6 +1854,7 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
case ETHTOOL_GSSET_INFO:
case ETHTOOL_GSTRINGS:
case ETHTOOL_GSTATS:
+ case ETHTOOL_GPHYSTATS:
case ETHTOOL_GTSO:
case ETHTOOL_GPERMADDR:
case ETHTOOL_GUFO:
@@ -1991,6 +2067,9 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
case ETHTOOL_STUNABLE:
rc = ethtool_set_tunable(dev, useraddr);
break;
+ case ETHTOOL_GPHYSTATS:
+ rc = ethtool_get_phy_stats(dev, useraddr);
+ break;
default:
rc = -EOPNOTSUPP;
}
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index bca8c350e7f3..b6c8a6629b39 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -1453,8 +1453,8 @@ static void netdev_release(struct device *d)
static const void *net_namespace(struct device *d)
{
- struct net_device *dev;
- dev = container_of(d, struct net_device, dev);
+ struct net_device *dev = to_net_dev(d);
+
return dev_net(dev);
}
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 04a48c0159cc..7c51c4e1661f 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -561,10 +561,9 @@ static void gre_fb_xmit(struct sk_buff *skb, struct net_device *dev)
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->u.ipv4.dst, IPPROTO_GRE,
- key->tos, key->ttl, df, false);
- iptunnel_xmit_stats(err, &dev->stats, dev->tstats);
+
+ iptunnel_xmit(skb->sk, rt, skb, fl.saddr, key->u.ipv4.dst, IPPROTO_GRE,
+ key->tos, key->ttl, df, false);
return;
err_free_rt:
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index 0f6e9ee031c4..c7bd72e9b544 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -656,7 +656,6 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
struct rtable *rt; /* Route to the other host */
unsigned int max_headroom; /* The extra header space needed */
__be32 dst;
- int err;
bool connected;
inner_iph = (const struct iphdr *)skb_inner_network_header(skb);
@@ -794,10 +793,8 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
return;
}
- err = iptunnel_xmit(NULL, rt, skb, fl4.saddr, fl4.daddr, protocol,
- tos, ttl, df, !net_eq(tunnel->net, dev_net(dev)));
- iptunnel_xmit_stats(err, &dev->stats, dev->tstats);
-
+ iptunnel_xmit(NULL, rt, skb, fl4.saddr, fl4.daddr, protocol, tos, ttl,
+ df, !net_eq(tunnel->net, dev_net(dev)));
return;
#if IS_ENABLED(CONFIG_IPV6)
diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c
index 1db8418aa62e..eb52ce950c27 100644
--- a/net/ipv4/ip_tunnel_core.c
+++ b/net/ipv4/ip_tunnel_core.c
@@ -47,12 +47,13 @@
#include <net/rtnetlink.h>
#include <net/dst_metadata.h>
-int iptunnel_xmit(struct sock *sk, struct rtable *rt, struct sk_buff *skb,
- __be32 src, __be32 dst, __u8 proto,
- __u8 tos, __u8 ttl, __be16 df, bool xnet)
+void iptunnel_xmit(struct sock *sk, struct rtable *rt, struct sk_buff *skb,
+ __be32 src, __be32 dst, __u8 proto,
+ __u8 tos, __u8 ttl, __be16 df, bool xnet)
{
int pkt_len = skb->len - skb_inner_network_offset(skb);
struct net *net = dev_net(rt->dst.dev);
+ struct net_device *dev = skb->dev;
struct iphdr *iph;
int err;
@@ -81,7 +82,7 @@ int iptunnel_xmit(struct sock *sk, struct rtable *rt, struct sk_buff *skb,
err = ip_local_out(net, sk, skb);
if (unlikely(net_xmit_eval(err)))
pkt_len = 0;
- return pkt_len;
+ iptunnel_xmit_stats(dev, pkt_len);
}
EXPORT_SYMBOL_GPL(iptunnel_xmit);
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index 02d9c21e2953..5cf10b777b7e 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -199,7 +199,7 @@ static netdev_tx_t vti_xmit(struct sk_buff *skb, struct net_device *dev,
err = dst_output(tunnel->net, skb->sk, skb);
if (net_xmit_eval(err) == 0)
err = skb->len;
- iptunnel_xmit_stats(err, &dev->stats, dev->tstats);
+ iptunnel_xmit_stats(dev, err);
return NETDEV_TX_OK;
tx_error_icmp:
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index cc7aaa507abf..7bb1b091efd1 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -3099,6 +3099,11 @@ int tcp_abort(struct sock *sk, int err)
/* Don't race with userspace socket closes such as tcp_close. */
lock_sock(sk);
+ if (sk->sk_state == TCP_LISTEN) {
+ tcp_set_state(sk, TCP_CLOSE);
+ inet_csk_listen_stop(sk);
+ }
+
/* Don't race with BH socket closes such as inet_csk_listen_stop. */
local_bh_disable();
bh_lock_sock(sk);
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 46e92fbd26a8..fc4f72686705 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -587,7 +587,7 @@ static void tcp_v4_send_reset(const struct sock *sk, struct sk_buff *skb)
} rep;
struct ip_reply_arg arg;
#ifdef CONFIG_TCP_MD5SIG
- struct tcp_md5sig_key *key;
+ struct tcp_md5sig_key *key = NULL;
const __u8 *hash_location = NULL;
unsigned char newhash[16];
int genhash;
@@ -627,7 +627,10 @@ static void tcp_v4_send_reset(const struct sock *sk, struct sk_buff *skb)
net = sk ? sock_net(sk) : dev_net(skb_dst(skb)->dev);
#ifdef CONFIG_TCP_MD5SIG
hash_location = tcp_parse_md5sig_option(th);
- if (!sk && hash_location) {
+ if (sk && sk_fullsock(sk)) {
+ key = tcp_md5_do_lookup(sk, (union tcp_md5_addr *)
+ &ip_hdr(skb)->saddr, AF_INET);
+ } else if (hash_location) {
/*
* active side is lost. Try to find listening socket through
* source port, and then find md5 key through listening socket.
@@ -651,10 +654,6 @@ static void tcp_v4_send_reset(const struct sock *sk, struct sk_buff *skb)
genhash = tcp_v4_md5_hash_skb(newhash, key, NULL, skb);
if (genhash || memcmp(hash_location, newhash, 16) != 0)
goto release_sk1;
- } else {
- key = sk ? tcp_md5_do_lookup(sk, (union tcp_md5_addr *)
- &ip_hdr(skb)->saddr,
- AF_INET) : NULL;
}
if (key) {
@@ -675,7 +674,8 @@ static void tcp_v4_send_reset(const struct sock *sk, struct sk_buff *skb)
ip_hdr(skb)->saddr, /* XXX */
arg.iov[0].iov_len, IPPROTO_TCP, 0);
arg.csumoffset = offsetof(struct tcphdr, check) / 2;
- arg.flags = (sk && inet_sk(sk)->transparent) ? IP_REPLY_ARG_NOSRCCHECK : 0;
+ arg.flags = (sk && inet_sk_transparent(sk)) ? IP_REPLY_ARG_NOSRCCHECK : 0;
+
/* When socket is gone, all binding information is lost.
* routing might fail in this case. No choice here, if we choose to force
* input interface, we will misroute in case of asymmetric route.
@@ -683,6 +683,9 @@ static void tcp_v4_send_reset(const struct sock *sk, struct sk_buff *skb)
if (sk)
arg.bound_dev_if = sk->sk_bound_dev_if;
+ BUILD_BUG_ON(offsetof(struct sock, sk_bound_dev_if) !=
+ offsetof(struct inet_timewait_sock, tw_bound_dev_if));
+
arg.tos = ip_hdr(skb)->tos;
ip_send_unicast_reply(*this_cpu_ptr(net->ipv4.tcp_sk),
skb, &TCP_SKB_CB(skb)->header.h4.opt,
@@ -1706,7 +1709,9 @@ do_time_wait:
tcp_v4_timewait_ack(sk, skb);
break;
case TCP_TW_RST:
- goto no_tcp_socket;
+ tcp_v4_send_reset(sk, skb);
+ inet_twsk_deschedule_put(inet_twsk(sk));
+ goto discard_it;
case TCP_TW_SUCCESS:;
}
goto discard_it;
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index ac6b1961ffeb..75632a925824 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -131,7 +131,7 @@ tcp_timewait_state_process(struct inet_timewait_sock *tw, struct sk_buff *skb,
goto kill;
if (th->syn && !before(TCP_SKB_CB(skb)->seq, tcptw->tw_rcv_nxt))
- goto kill_with_rst;
+ return TCP_TW_RST;
/* Dup ACK? */
if (!th->ack ||
@@ -145,11 +145,8 @@ tcp_timewait_state_process(struct inet_timewait_sock *tw, struct sk_buff *skb,
* reset.
*/
if (!th->fin ||
- TCP_SKB_CB(skb)->end_seq != tcptw->tw_rcv_nxt + 1) {
-kill_with_rst:
- inet_twsk_deschedule_put(tw);
+ TCP_SKB_CB(skb)->end_seq != tcptw->tw_rcv_nxt + 1)
return TCP_TW_RST;
- }
/* FIN arrived, enter true time-wait state. */
tw->tw_substate = TCP_TIME_WAIT;
diff --git a/net/ipv4/udp_tunnel.c b/net/ipv4/udp_tunnel.c
index aba428626b52..0ec08814f37d 100644
--- a/net/ipv4/udp_tunnel.c
+++ b/net/ipv4/udp_tunnel.c
@@ -74,10 +74,10 @@ void setup_udp_tunnel_sock(struct net *net, struct socket *sock,
}
EXPORT_SYMBOL_GPL(setup_udp_tunnel_sock);
-int udp_tunnel_xmit_skb(struct rtable *rt, struct sock *sk, struct sk_buff *skb,
- __be32 src, __be32 dst, __u8 tos, __u8 ttl,
- __be16 df, __be16 src_port, __be16 dst_port,
- bool xnet, bool nocheck)
+void udp_tunnel_xmit_skb(struct rtable *rt, struct sock *sk, struct sk_buff *skb,
+ __be32 src, __be32 dst, __u8 tos, __u8 ttl,
+ __be16 df, __be16 src_port, __be16 dst_port,
+ bool xnet, bool nocheck)
{
struct udphdr *uh;
@@ -91,8 +91,7 @@ int udp_tunnel_xmit_skb(struct rtable *rt, struct sock *sk, struct sk_buff *skb,
udp_set_csum(nocheck, skb, src, dst, skb->len);
- return iptunnel_xmit(sk, rt, skb, src, dst, IPPROTO_UDP,
- tos, ttl, df, xnet);
+ iptunnel_xmit(sk, rt, skb, src, dst, IPPROTO_UDP, tos, ttl, df, xnet);
}
EXPORT_SYMBOL_GPL(udp_tunnel_xmit_skb);
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index dcccae86190f..e794ef66a401 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -820,7 +820,6 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
const struct in6_addr *addr6;
int addr_type;
u8 ttl;
- int err;
u8 protocol = IPPROTO_IPV6;
int t_hlen = tunnel->hlen + sizeof(struct iphdr);
@@ -983,10 +982,8 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
skb_set_inner_ipproto(skb, IPPROTO_IPV6);
- err = iptunnel_xmit(NULL, rt, skb, fl4.saddr, fl4.daddr,
- protocol, tos, ttl, df,
- !net_eq(tunnel->net, dev_net(dev)));
- iptunnel_xmit_stats(err, &dev->stats, dev->tstats);
+ iptunnel_xmit(NULL, rt, skb, fl4.saddr, fl4.daddr, protocol, tos, ttl,
+ df, !net_eq(tunnel->net, dev_net(dev)));
return NETDEV_TX_OK;
tx_error_icmp:
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index f03d2b0445fd..9ecb012291cf 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -854,7 +854,9 @@ static void tcp_v6_send_reset(const struct sock *sk, struct sk_buff *skb)
#ifdef CONFIG_TCP_MD5SIG
hash_location = tcp_parse_md5sig_option(th);
- if (!sk && hash_location) {
+ if (sk && sk_fullsock(sk)) {
+ key = tcp_v6_md5_do_lookup(sk, &ipv6h->saddr);
+ } else if (hash_location) {
/*
* active side is lost. Try to find listening socket through
* source port, and then find md5 key through listening socket.
@@ -877,8 +879,6 @@ static void tcp_v6_send_reset(const struct sock *sk, struct sk_buff *skb)
genhash = tcp_v6_md5_hash_skb(newhash, key, NULL, skb);
if (genhash || memcmp(hash_location, newhash, 16) != 0)
goto release_sk1;
- } else {
- key = sk ? tcp_v6_md5_do_lookup(sk, &ipv6h->saddr) : NULL;
}
#endif
@@ -1516,7 +1516,9 @@ do_time_wait:
break;
case TCP_TW_RST:
tcp_v6_restore_cb(skb);
- goto no_tcp_socket;
+ tcp_v6_send_reset(sk, skb);
+ inet_twsk_deschedule_put(inet_twsk(sk));
+ goto discard_it;
case TCP_TW_SUCCESS:
;
}
diff --git a/net/rds/page.c b/net/rds/page.c
index 9005a2c920ee..5a14e6d6a926 100644
--- a/net/rds/page.c
+++ b/net/rds/page.c
@@ -179,37 +179,18 @@ out:
}
EXPORT_SYMBOL_GPL(rds_page_remainder_alloc);
-static int rds_page_remainder_cpu_notify(struct notifier_block *self,
- unsigned long action, void *hcpu)
+void rds_page_exit(void)
{
- struct rds_page_remainder *rem;
- long cpu = (long)hcpu;
+ unsigned int cpu;
- rem = &per_cpu(rds_page_remainders, cpu);
+ for_each_possible_cpu(cpu) {
+ struct rds_page_remainder *rem;
- rdsdebug("cpu %ld action 0x%lx\n", cpu, action);
+ rem = &per_cpu(rds_page_remainders, cpu);
+ rdsdebug("cpu %u\n", cpu);
- switch (action) {
- case CPU_DEAD:
if (rem->r_page)
__free_page(rem->r_page);
rem->r_page = NULL;
- break;
}
-
- return 0;
-}
-
-static struct notifier_block rds_page_remainder_nb = {
- .notifier_call = rds_page_remainder_cpu_notify,
-};
-
-void rds_page_exit(void)
-{
- int i;
-
- for_each_possible_cpu(i)
- rds_page_remainder_cpu_notify(&rds_page_remainder_nb,
- (unsigned long)CPU_DEAD,
- (void *)(long)i);
}
diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c
index 6af78c6276b4..d63a911e7fe2 100644
--- a/net/tipc/udp_media.c
+++ b/net/tipc/udp_media.c
@@ -182,15 +182,9 @@ static int tipc_udp_send_msg(struct net *net, struct sk_buff *skb,
goto tx_error;
}
ttl = ip4_dst_hoplimit(&rt->dst);
- err = udp_tunnel_xmit_skb(rt, ub->ubsock->sk, skb,
- src->ipv4.s_addr,
- dst->ipv4.s_addr, 0, ttl, 0,
- src->udp_port, dst->udp_port,
- false, true);
- if (err < 0) {
- ip_rt_put(rt);
- goto tx_error;
- }
+ udp_tunnel_xmit_skb(rt, ub->ubsock->sk, skb, src->ipv4.s_addr,
+ dst->ipv4.s_addr, 0, ttl, 0, src->udp_port,
+ dst->udp_port, false, true);
#if IS_ENABLED(CONFIG_IPV6)
} else {
struct dst_entry *ndst;