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-rw-r--r--net/core/datagram.c1
-rw-r--r--net/core/dev.c34
-rw-r--r--net/core/dst.c21
-rw-r--r--net/core/ethtool.c45
-rw-r--r--net/core/fib_rules.c4
-rw-r--r--net/core/neighbour.c31
-rw-r--r--net/core/net-sysfs.c74
-rw-r--r--net/core/rtnetlink.c28
-rw-r--r--net/core/skbuff.c9
-rw-r--r--net/core/sock.c5
-rw-r--r--net/core/sock_diag.c21
11 files changed, 135 insertions, 138 deletions
diff --git a/net/core/datagram.c b/net/core/datagram.c
index ae6acf6a3dea..0337e2b76862 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -248,7 +248,6 @@ void skb_free_datagram_locked(struct sock *sk, struct sk_buff *skb)
unlock_sock_fast(sk, slow);
/* skb is now orphaned, can be freed outside of locked section */
- trace_kfree_skb(skb, skb_free_datagram_locked);
__kfree_skb(skb);
}
EXPORT_SYMBOL(skb_free_datagram_locked);
diff --git a/net/core/dev.c b/net/core/dev.c
index 0f28a9e0b8ad..73e87c7b4377 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1691,7 +1691,8 @@ static void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev)
rcu_read_unlock();
}
-/* netif_setup_tc - Handle tc mappings on real_num_tx_queues change
+/**
+ * netif_setup_tc - Handle tc mappings on real_num_tx_queues change
* @dev: Network device
* @txq: number of queues available
*
@@ -1793,6 +1794,18 @@ int netif_set_real_num_rx_queues(struct net_device *dev, unsigned int rxq)
EXPORT_SYMBOL(netif_set_real_num_rx_queues);
#endif
+/**
+ * netif_get_num_default_rss_queues - default number of RSS queues
+ *
+ * This routine should set an upper limit on the number of RSS queues
+ * used by default by multiqueue devices.
+ */
+int netif_get_num_default_rss_queues(void)
+{
+ return min_t(int, DEFAULT_MAX_NUM_RSS_QUEUES, num_online_cpus());
+}
+EXPORT_SYMBOL(netif_get_num_default_rss_queues);
+
static inline void __netif_reschedule(struct Qdisc *q)
{
struct softnet_data *sd;
@@ -2459,6 +2472,23 @@ static DEFINE_PER_CPU(int, xmit_recursion);
#define RECURSION_LIMIT 10
/**
+ * dev_loopback_xmit - loop back @skb
+ * @skb: buffer to transmit
+ */
+int dev_loopback_xmit(struct sk_buff *skb)
+{
+ skb_reset_mac_header(skb);
+ __skb_pull(skb, skb_network_offset(skb));
+ skb->pkt_type = PACKET_LOOPBACK;
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+ WARN_ON(!skb_dst(skb));
+ skb_dst_force(skb);
+ netif_rx_ni(skb);
+ return 0;
+}
+EXPORT_SYMBOL(dev_loopback_xmit);
+
+/**
* dev_queue_xmit - transmit a buffer
* @skb: buffer to transmit
*
@@ -5646,7 +5676,7 @@ int netdev_refcnt_read(const struct net_device *dev)
}
EXPORT_SYMBOL(netdev_refcnt_read);
-/*
+/**
* netdev_wait_allrefs - wait until all references are gone.
*
* This is called when unregistering network devices.
diff --git a/net/core/dst.c b/net/core/dst.c
index 43d94cedbf7c..07bacff84aa4 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -152,7 +152,7 @@ EXPORT_SYMBOL(dst_discard);
const u32 dst_default_metrics[RTAX_MAX];
void *dst_alloc(struct dst_ops *ops, struct net_device *dev,
- int initial_ref, int initial_obsolete, int flags)
+ int initial_ref, int initial_obsolete, unsigned short flags)
{
struct dst_entry *dst;
@@ -171,7 +171,6 @@ void *dst_alloc(struct dst_ops *ops, struct net_device *dev,
dst_init_metrics(dst, dst_default_metrics, true);
dst->expires = 0UL;
dst->path = dst;
- RCU_INIT_POINTER(dst->_neighbour, NULL);
#ifdef CONFIG_XFRM
dst->xfrm = NULL;
#endif
@@ -188,6 +187,7 @@ void *dst_alloc(struct dst_ops *ops, struct net_device *dev,
dst->__use = 0;
dst->lastuse = jiffies;
dst->flags = flags;
+ dst->pending_confirm = 0;
dst->next = NULL;
if (!(flags & DST_NOCOUNT))
dst_entries_add(ops, 1);
@@ -224,19 +224,12 @@ EXPORT_SYMBOL(__dst_free);
struct dst_entry *dst_destroy(struct dst_entry * dst)
{
struct dst_entry *child;
- struct neighbour *neigh;
smp_rmb();
again:
- neigh = rcu_dereference_protected(dst->_neighbour, 1);
child = dst->child;
- if (neigh) {
- RCU_INIT_POINTER(dst->_neighbour, NULL);
- neigh_release(neigh);
- }
-
if (!(dst->flags & DST_NOCOUNT))
dst_entries_add(dst->ops, -1);
@@ -360,19 +353,9 @@ static void dst_ifdown(struct dst_entry *dst, struct net_device *dev,
if (!unregister) {
dst->input = dst->output = dst_discard;
} else {
- struct neighbour *neigh;
-
dst->dev = dev_net(dst->dev)->loopback_dev;
dev_hold(dst->dev);
dev_put(dev);
- rcu_read_lock();
- neigh = dst_get_neighbour_noref(dst);
- if (neigh && neigh->dev == dev) {
- neigh->dev = dst->dev;
- dev_hold(dst->dev);
- dev_put(dev);
- }
- rcu_read_unlock();
}
}
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 9c2afb480270..cbf033dcaf1f 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -729,6 +729,40 @@ static int ethtool_set_wol(struct net_device *dev, char __user *useraddr)
return dev->ethtool_ops->set_wol(dev, &wol);
}
+static int ethtool_get_eee(struct net_device *dev, char __user *useraddr)
+{
+ struct ethtool_eee edata;
+ int rc;
+
+ if (!dev->ethtool_ops->get_eee)
+ return -EOPNOTSUPP;
+
+ memset(&edata, 0, sizeof(struct ethtool_eee));
+ edata.cmd = ETHTOOL_GEEE;
+ rc = dev->ethtool_ops->get_eee(dev, &edata);
+
+ if (rc)
+ return rc;
+
+ if (copy_to_user(useraddr, &edata, sizeof(edata)))
+ return -EFAULT;
+
+ return 0;
+}
+
+static int ethtool_set_eee(struct net_device *dev, char __user *useraddr)
+{
+ struct ethtool_eee edata;
+
+ if (!dev->ethtool_ops->set_eee)
+ return -EOPNOTSUPP;
+
+ if (copy_from_user(&edata, useraddr, sizeof(edata)))
+ return -EFAULT;
+
+ return dev->ethtool_ops->set_eee(dev, &edata);
+}
+
static int ethtool_nway_reset(struct net_device *dev)
{
if (!dev->ethtool_ops->nway_reset)
@@ -1409,6 +1443,7 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
case ETHTOOL_GSET:
case ETHTOOL_GDRVINFO:
case ETHTOOL_GMSGLVL:
+ case ETHTOOL_GLINK:
case ETHTOOL_GCOALESCE:
case ETHTOOL_GRINGPARAM:
case ETHTOOL_GPAUSEPARAM:
@@ -1417,6 +1452,7 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
case ETHTOOL_GSG:
case ETHTOOL_GSSET_INFO:
case ETHTOOL_GSTRINGS:
+ case ETHTOOL_GSTATS:
case ETHTOOL_GTSO:
case ETHTOOL_GPERMADDR:
case ETHTOOL_GUFO:
@@ -1429,8 +1465,11 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
case ETHTOOL_GRXCLSRLCNT:
case ETHTOOL_GRXCLSRULE:
case ETHTOOL_GRXCLSRLALL:
+ case ETHTOOL_GRXFHINDIR:
case ETHTOOL_GFEATURES:
+ case ETHTOOL_GCHANNELS:
case ETHTOOL_GET_TS_INFO:
+ case ETHTOOL_GEEE:
break;
default:
if (!capable(CAP_NET_ADMIN))
@@ -1471,6 +1510,12 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
rc = ethtool_set_value_void(dev, useraddr,
dev->ethtool_ops->set_msglevel);
break;
+ case ETHTOOL_GEEE:
+ rc = ethtool_get_eee(dev, useraddr);
+ break;
+ case ETHTOOL_SEEE:
+ rc = ethtool_set_eee(dev, useraddr);
+ break;
case ETHTOOL_NWAY_RST:
rc = ethtool_nway_reset(dev);
break;
diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index 72cceb79d0d4..ab7db83236c9 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -151,6 +151,8 @@ static void fib_rules_cleanup_ops(struct fib_rules_ops *ops)
list_for_each_entry_safe(rule, tmp, &ops->rules_list, list) {
list_del_rcu(&rule->list);
+ if (ops->delete)
+ ops->delete(rule);
fib_rule_put(rule);
}
}
@@ -499,6 +501,8 @@ static int fib_nl_delrule(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
notify_rule_change(RTM_DELRULE, rule, ops, nlh,
NETLINK_CB(skb).pid);
+ if (ops->delete)
+ ops->delete(rule);
fib_rule_put(rule);
flush_route_cache(ops);
rules_ops_put(ops);
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index d81d026138f0..117afaf51268 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -474,8 +474,8 @@ struct neighbour *neigh_lookup_nodev(struct neigh_table *tbl, struct net *net,
}
EXPORT_SYMBOL(neigh_lookup_nodev);
-struct neighbour *neigh_create(struct neigh_table *tbl, const void *pkey,
- struct net_device *dev)
+struct neighbour *__neigh_create(struct neigh_table *tbl, const void *pkey,
+ struct net_device *dev, bool want_ref)
{
u32 hash_val;
int key_len = tbl->key_len;
@@ -535,14 +535,16 @@ struct neighbour *neigh_create(struct neigh_table *tbl, const void *pkey,
n1 = rcu_dereference_protected(n1->next,
lockdep_is_held(&tbl->lock))) {
if (dev == n1->dev && !memcmp(n1->primary_key, pkey, key_len)) {
- neigh_hold(n1);
+ if (want_ref)
+ neigh_hold(n1);
rc = n1;
goto out_tbl_unlock;
}
}
n->dead = 0;
- neigh_hold(n);
+ if (want_ref)
+ neigh_hold(n);
rcu_assign_pointer(n->next,
rcu_dereference_protected(nht->hash_buckets[hash_val],
lockdep_is_held(&tbl->lock)));
@@ -558,7 +560,7 @@ out_neigh_release:
neigh_release(n);
goto out;
}
-EXPORT_SYMBOL(neigh_create);
+EXPORT_SYMBOL(__neigh_create);
static u32 pneigh_hash(const void *pkey, int key_len)
{
@@ -1199,10 +1201,23 @@ int neigh_update(struct neighbour *neigh, const u8 *lladdr, u8 new,
write_unlock_bh(&neigh->lock);
rcu_read_lock();
- /* On shaper/eql skb->dst->neighbour != neigh :( */
- if (dst && (n2 = dst_get_neighbour_noref(dst)) != NULL)
- n1 = n2;
+
+ /* Why not just use 'neigh' as-is? The problem is that
+ * things such as shaper, eql, and sch_teql can end up
+ * using alternative, different, neigh objects to output
+ * the packet in the output path. So what we need to do
+ * here is re-lookup the top-level neigh in the path so
+ * we can reinject the packet there.
+ */
+ n2 = NULL;
+ if (dst) {
+ n2 = dst_neigh_lookup_skb(dst, skb);
+ if (n2)
+ n1 = n2;
+ }
n1->output(n1, skb);
+ if (n2)
+ neigh_release(n2);
rcu_read_unlock();
write_lock_bh(&neigh->lock);
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index fdf9e61d0651..72607174ea5a 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -417,72 +417,6 @@ static struct attribute_group netstat_group = {
.name = "statistics",
.attrs = netstat_attrs,
};
-
-#ifdef CONFIG_WIRELESS_EXT_SYSFS
-/* helper function that does all the locking etc for wireless stats */
-static ssize_t wireless_show(struct device *d, char *buf,
- ssize_t (*format)(const struct iw_statistics *,
- char *))
-{
- struct net_device *dev = to_net_dev(d);
- const struct iw_statistics *iw;
- ssize_t ret = -EINVAL;
-
- if (!rtnl_trylock())
- return restart_syscall();
- if (dev_isalive(dev)) {
- iw = get_wireless_stats(dev);
- if (iw)
- ret = (*format)(iw, buf);
- }
- rtnl_unlock();
-
- return ret;
-}
-
-/* show function template for wireless fields */
-#define WIRELESS_SHOW(name, field, format_string) \
-static ssize_t format_iw_##name(const struct iw_statistics *iw, char *buf) \
-{ \
- return sprintf(buf, format_string, iw->field); \
-} \
-static ssize_t show_iw_##name(struct device *d, \
- struct device_attribute *attr, char *buf) \
-{ \
- return wireless_show(d, buf, format_iw_##name); \
-} \
-static DEVICE_ATTR(name, S_IRUGO, show_iw_##name, NULL)
-
-WIRELESS_SHOW(status, status, fmt_hex);
-WIRELESS_SHOW(link, qual.qual, fmt_dec);
-WIRELESS_SHOW(level, qual.level, fmt_dec);
-WIRELESS_SHOW(noise, qual.noise, fmt_dec);
-WIRELESS_SHOW(nwid, discard.nwid, fmt_dec);
-WIRELESS_SHOW(crypt, discard.code, fmt_dec);
-WIRELESS_SHOW(fragment, discard.fragment, fmt_dec);
-WIRELESS_SHOW(misc, discard.misc, fmt_dec);
-WIRELESS_SHOW(retries, discard.retries, fmt_dec);
-WIRELESS_SHOW(beacon, miss.beacon, fmt_dec);
-
-static struct attribute *wireless_attrs[] = {
- &dev_attr_status.attr,
- &dev_attr_link.attr,
- &dev_attr_level.attr,
- &dev_attr_noise.attr,
- &dev_attr_nwid.attr,
- &dev_attr_crypt.attr,
- &dev_attr_fragment.attr,
- &dev_attr_retries.attr,
- &dev_attr_misc.attr,
- &dev_attr_beacon.attr,
- NULL
-};
-
-static struct attribute_group wireless_group = {
- .name = "wireless",
- .attrs = wireless_attrs,
-};
-#endif
#endif /* CONFIG_SYSFS */
#ifdef CONFIG_RPS
@@ -1463,14 +1397,6 @@ int netdev_register_kobject(struct net_device *net)
groups++;
*groups++ = &netstat_group;
-#ifdef CONFIG_WIRELESS_EXT_SYSFS
- if (net->ieee80211_ptr)
- *groups++ = &wireless_group;
-#ifdef CONFIG_WIRELESS_EXT
- else if (net->wireless_handlers)
- *groups++ = &wireless_group;
-#endif
-#endif
#endif /* CONFIG_SYSFS */
error = device_add(dev);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 21318d15bbc3..045db8ad87c8 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -541,19 +541,6 @@ static const int rta_max[RTM_NR_FAMILIES] =
[RTM_FAM(RTM_NEWACTION)] = TCAA_MAX,
};
-void __rta_fill(struct sk_buff *skb, int attrtype, int attrlen, const void *data)
-{
- struct rtattr *rta;
- int size = RTA_LENGTH(attrlen);
-
- rta = (struct rtattr *)skb_put(skb, RTA_ALIGN(size));
- rta->rta_type = attrtype;
- rta->rta_len = size;
- memcpy(RTA_DATA(rta), data, attrlen);
- memset(RTA_DATA(rta) + attrlen, 0, RTA_ALIGN(size) - size);
-}
-EXPORT_SYMBOL(__rta_fill);
-
int rtnetlink_send(struct sk_buff *skb, struct net *net, u32 pid, unsigned int group, int echo)
{
struct sock *rtnl = net->rtnl;
@@ -628,7 +615,7 @@ nla_put_failure:
EXPORT_SYMBOL(rtnetlink_put_metrics);
int rtnl_put_cacheinfo(struct sk_buff *skb, struct dst_entry *dst, u32 id,
- u32 ts, u32 tsage, long expires, u32 error)
+ long expires, u32 error)
{
struct rta_cacheinfo ci = {
.rta_lastuse = jiffies_to_clock_t(jiffies - dst->lastuse),
@@ -636,8 +623,6 @@ int rtnl_put_cacheinfo(struct sk_buff *skb, struct dst_entry *dst, u32 id,
.rta_clntref = atomic_read(&(dst->__refcnt)),
.rta_error = error,
.rta_id = id,
- .rta_ts = ts,
- .rta_tsage = tsage,
};
if (expires)
@@ -2189,7 +2174,7 @@ skip:
}
/**
- * ndo_dflt_fdb_dump: default netdevice operation to dump an FDB table.
+ * ndo_dflt_fdb_dump - default netdevice operation to dump an FDB table.
* @nlh: netlink message header
* @dev: netdevice
*
@@ -2366,8 +2351,13 @@ static struct notifier_block rtnetlink_dev_notifier = {
static int __net_init rtnetlink_net_init(struct net *net)
{
struct sock *sk;
- sk = netlink_kernel_create(net, NETLINK_ROUTE, RTNLGRP_MAX,
- rtnetlink_rcv, &rtnl_mutex, THIS_MODULE);
+ struct netlink_kernel_cfg cfg = {
+ .groups = RTNLGRP_MAX,
+ .input = rtnetlink_rcv,
+ .cb_mutex = &rtnl_mutex,
+ };
+
+ sk = netlink_kernel_create(net, NETLINK_ROUTE, THIS_MODULE, &cfg);
if (!sk)
return -ENOMEM;
net->rtnl = sk;
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 46a3d23d259e..506f678e9d95 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -160,8 +160,8 @@ static void skb_under_panic(struct sk_buff *skb, int sz, void *here)
* @node: numa node to allocate memory on
*
* Allocate a new &sk_buff. The returned buffer has no headroom and a
- * tail room of size bytes. The object has a reference count of one.
- * The return is the buffer. On a failure the return is %NULL.
+ * tail room of at least size bytes. The object has a reference count
+ * of one. The return is the buffer. On a failure the return is %NULL.
*
* Buffers may only be allocated from interrupts using a @gfp_mask of
* %GFP_ATOMIC.
@@ -713,7 +713,8 @@ struct sk_buff *skb_morph(struct sk_buff *dst, struct sk_buff *src)
}
EXPORT_SYMBOL_GPL(skb_morph);
-/* skb_copy_ubufs - copy userspace skb frags buffers to kernel
+/**
+ * skb_copy_ubufs - copy userspace skb frags buffers to kernel
* @skb: the skb to modify
* @gfp_mask: allocation priority
*
@@ -2614,7 +2615,7 @@ unsigned int skb_find_text(struct sk_buff *skb, unsigned int from,
EXPORT_SYMBOL(skb_find_text);
/**
- * skb_append_datato_frags: - append the user data to a skb
+ * skb_append_datato_frags - append the user data to a skb
* @sk: sock structure
* @skb: skb structure to be appened with user data.
* @getfrag: call back function to be used for getting the user data
diff --git a/net/core/sock.c b/net/core/sock.c
index 9e5b71fda6ec..929bdcc2383b 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1465,6 +1465,11 @@ void sock_rfree(struct sk_buff *skb)
}
EXPORT_SYMBOL(sock_rfree);
+void sock_edemux(struct sk_buff *skb)
+{
+ sock_put(skb->sk);
+}
+EXPORT_SYMBOL(sock_edemux);
int sock_i_uid(struct sock *sk)
{
diff --git a/net/core/sock_diag.c b/net/core/sock_diag.c
index 5fd146720f39..07a29eb34a41 100644
--- a/net/core/sock_diag.c
+++ b/net/core/sock_diag.c
@@ -4,7 +4,6 @@
#include <net/netlink.h>
#include <net/net_namespace.h>
#include <linux/module.h>
-#include <linux/rtnetlink.h>
#include <net/sock.h>
#include <linux/inet_diag.h>
@@ -35,9 +34,7 @@ EXPORT_SYMBOL_GPL(sock_diag_save_cookie);
int sock_diag_put_meminfo(struct sock *sk, struct sk_buff *skb, int attrtype)
{
- __u32 *mem;
-
- mem = RTA_DATA(__RTA_PUT(skb, attrtype, SK_MEMINFO_VARS * sizeof(__u32)));
+ u32 mem[SK_MEMINFO_VARS];
mem[SK_MEMINFO_RMEM_ALLOC] = sk_rmem_alloc_get(sk);
mem[SK_MEMINFO_RCVBUF] = sk->sk_rcvbuf;
@@ -46,11 +43,9 @@ int sock_diag_put_meminfo(struct sock *sk, struct sk_buff *skb, int attrtype)
mem[SK_MEMINFO_FWD_ALLOC] = sk->sk_forward_alloc;
mem[SK_MEMINFO_WMEM_QUEUED] = sk->sk_wmem_queued;
mem[SK_MEMINFO_OPTMEM] = atomic_read(&sk->sk_omem_alloc);
+ mem[SK_MEMINFO_BACKLOG] = sk->sk_backlog.len;
- return 0;
-
-rtattr_failure:
- return -EMSGSIZE;
+ return nla_put(skb, attrtype, sizeof(mem), &mem);
}
EXPORT_SYMBOL_GPL(sock_diag_put_meminfo);
@@ -120,7 +115,7 @@ static inline void sock_diag_unlock_handler(const struct sock_diag_handler *h)
static int __sock_diag_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
{
int err;
- struct sock_diag_req *req = NLMSG_DATA(nlh);
+ struct sock_diag_req *req = nlmsg_data(nlh);
const struct sock_diag_handler *hndl;
if (nlmsg_len(nlh) < sizeof(*req))
@@ -176,8 +171,12 @@ EXPORT_SYMBOL_GPL(sock_diag_nlsk);
static int __init sock_diag_init(void)
{
- sock_diag_nlsk = netlink_kernel_create(&init_net, NETLINK_SOCK_DIAG, 0,
- sock_diag_rcv, NULL, THIS_MODULE);
+ struct netlink_kernel_cfg cfg = {
+ .input = sock_diag_rcv,
+ };
+
+ sock_diag_nlsk = netlink_kernel_create(&init_net, NETLINK_SOCK_DIAG,
+ THIS_MODULE, &cfg);
return sock_diag_nlsk == NULL ? -ENOMEM : 0;
}
generated by cgit v1.2.3 (git 2.39.0) at 2025-03-05 11:11:52 +0300