aboutsummaryrefslogtreecommitdiffstats
path: root/net/core
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-04 11:47:58 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-04 11:47:58 -0700
commit6ba74014c1ab0e37af7de6f64b4eccbbae3cb9e7 (patch)
tree8f3892fc44f1e403675a6d7e88fda5c70e56ee4c /net/core
parent5abd9ccced7a726c817dd6b5b96bc933859138d1 (diff)
parent3ff1c25927e3af61c6bf0e4ed959504058ae4565 (diff)
downloadkernel_samsung_smdk4412-6ba74014c1ab0e37af7de6f64b4eccbbae3cb9e7.tar.gz
kernel_samsung_smdk4412-6ba74014c1ab0e37af7de6f64b4eccbbae3cb9e7.tar.bz2
kernel_samsung_smdk4412-6ba74014c1ab0e37af7de6f64b4eccbbae3cb9e7.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1443 commits) phy/marvell: add 88ec048 support igb: Program MDICNFG register prior to PHY init e1000e: correct MAC-PHY interconnect register offset for 82579 hso: Add new product ID can: Add driver for esd CAN-USB/2 device l2tp: fix export of header file for userspace can-raw: Fix skb_orphan_try handling Revert "net: remove zap_completion_queue" net: cleanup inclusion phy/marvell: add 88e1121 interface mode support u32: negative offset fix net: Fix a typo from "dev" to "ndev" igb: Use irq_synchronize per vector when using MSI-X ixgbevf: fix null pointer dereference due to filter being set for VLAN 0 e1000e: Fix irq_synchronize in MSI-X case e1000e: register pm_qos request on hardware activation ip_fragment: fix subtracting PPPOE_SES_HLEN from mtu twice net: Add getsockopt support for TCP thin-streams cxgb4: update driver version cxgb4: add new PCI IDs ... Manually fix up conflicts in: - drivers/net/e1000e/netdev.c: due to pm_qos registration infrastructure changes - drivers/net/phy/marvell.c: conflict between adding 88ec048 support and cleaning up the IDs - drivers/net/wireless/ipw2x00/ipw2100.c: trivial ipw2100_pm_qos_req conflict (registration change vs marking it static)
Diffstat (limited to 'net/core')
-rw-r--r--net/core/Makefile2
-rw-r--r--net/core/datagram.c8
-rw-r--r--net/core/dev.c387
-rw-r--r--net/core/drop_monitor.c33
-rw-r--r--net/core/dst.c2
-rw-r--r--net/core/ethtool.c108
-rw-r--r--net/core/filter.c212
-rw-r--r--net/core/flow.c9
-rw-r--r--net/core/gen_estimator.c1
-rw-r--r--net/core/gen_stats.c14
-rw-r--r--net/core/iovec.c9
-rw-r--r--net/core/link_watch.c1
-rw-r--r--net/core/net-sysfs.c19
-rw-r--r--net/core/netevent.c5
-rw-r--r--net/core/netpoll.c182
-rw-r--r--net/core/pktgen.c212
-rw-r--r--net/core/rtnetlink.c11
-rw-r--r--net/core/scm.c33
-rw-r--r--net/core/skbuff.c3
-rw-r--r--net/core/sock.c49
-rw-r--r--net/core/stream.c6
-rw-r--r--net/core/timestamping.c126
-rw-r--r--net/core/utils.c3
23 files changed, 951 insertions, 484 deletions
diff --git a/net/core/Makefile b/net/core/Makefile
index 51c3eec850e..8a04dd22cf7 100644
--- a/net/core/Makefile
+++ b/net/core/Makefile
@@ -18,4 +18,4 @@ obj-$(CONFIG_NET_DMA) += user_dma.o
obj-$(CONFIG_FIB_RULES) += fib_rules.o
obj-$(CONFIG_TRACEPOINTS) += net-traces.o
obj-$(CONFIG_NET_DROP_MONITOR) += drop_monitor.o
-
+obj-$(CONFIG_NETWORK_PHY_TIMESTAMPING) += timestamping.o
diff --git a/net/core/datagram.c b/net/core/datagram.c
index f5b6f43a4c2..251997a9548 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -219,6 +219,7 @@ struct sk_buff *skb_recv_datagram(struct sock *sk, unsigned flags,
return __skb_recv_datagram(sk, flags | (noblock ? MSG_DONTWAIT : 0),
&peeked, err);
}
+EXPORT_SYMBOL(skb_recv_datagram);
void skb_free_datagram(struct sock *sk, struct sk_buff *skb)
{
@@ -288,7 +289,6 @@ int skb_kill_datagram(struct sock *sk, struct sk_buff *skb, unsigned int flags)
return err;
}
-
EXPORT_SYMBOL(skb_kill_datagram);
/**
@@ -373,6 +373,7 @@ int skb_copy_datagram_iovec(const struct sk_buff *skb, int offset,
fault:
return -EFAULT;
}
+EXPORT_SYMBOL(skb_copy_datagram_iovec);
/**
* skb_copy_datagram_const_iovec - Copy a datagram to an iovec.
@@ -716,6 +717,7 @@ csum_error:
fault:
return -EFAULT;
}
+EXPORT_SYMBOL(skb_copy_and_csum_datagram_iovec);
/**
* datagram_poll - generic datagram poll
@@ -770,8 +772,4 @@ unsigned int datagram_poll(struct file *file, struct socket *sock,
return mask;
}
-
EXPORT_SYMBOL(datagram_poll);
-EXPORT_SYMBOL(skb_copy_and_csum_datagram_iovec);
-EXPORT_SYMBOL(skb_copy_datagram_iovec);
-EXPORT_SYMBOL(skb_recv_datagram);
diff --git a/net/core/dev.c b/net/core/dev.c
index 1f466e82ac3..e1c1cdcc2bb 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -101,8 +101,6 @@
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/stat.h>
-#include <linux/if_bridge.h>
-#include <linux/if_macvlan.h>
#include <net/dst.h>
#include <net/pkt_sched.h>
#include <net/checksum.h>
@@ -803,35 +801,31 @@ struct net_device *dev_getfirstbyhwtype(struct net *net, unsigned short type)
EXPORT_SYMBOL(dev_getfirstbyhwtype);
/**
- * dev_get_by_flags - find any device with given flags
+ * dev_get_by_flags_rcu - find any device with given flags
* @net: the applicable net namespace
* @if_flags: IFF_* values
* @mask: bitmask of bits in if_flags to check
*
* Search for any interface with the given flags. Returns NULL if a device
- * is not found or a pointer to the device. The device returned has
- * had a reference added and the pointer is safe until the user calls
- * dev_put to indicate they have finished with it.
+ * is not found or a pointer to the device. Must be called inside
+ * rcu_read_lock(), and result refcount is unchanged.
*/
-struct net_device *dev_get_by_flags(struct net *net, unsigned short if_flags,
+struct net_device *dev_get_by_flags_rcu(struct net *net, unsigned short if_flags,
unsigned short mask)
{
struct net_device *dev, *ret;
ret = NULL;
- rcu_read_lock();
for_each_netdev_rcu(net, dev) {
if (((dev->flags ^ if_flags) & mask) == 0) {
- dev_hold(dev);
ret = dev;
break;
}
}
- rcu_read_unlock();
return ret;
}
-EXPORT_SYMBOL(dev_get_by_flags);
+EXPORT_SYMBOL(dev_get_by_flags_rcu);
/**
* dev_valid_name - check if name is okay for network device
@@ -1542,7 +1536,8 @@ static void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev)
if (net_ratelimit())
printk(KERN_CRIT "protocol %04x is "
"buggy, dev %s\n",
- skb2->protocol, dev->name);
+ ntohs(skb2->protocol),
+ dev->name);
skb_reset_network_header(skb2);
}
@@ -1924,6 +1919,22 @@ static inline void skb_orphan_try(struct sk_buff *skb)
}
}
+/*
+ * Returns true if either:
+ * 1. skb has frag_list and the device doesn't support FRAGLIST, or
+ * 2. skb is fragmented and the device does not support SG, or if
+ * at least one of fragments is in highmem and device does not
+ * support DMA from it.
+ */
+static inline int skb_needs_linearize(struct sk_buff *skb,
+ struct net_device *dev)
+{
+ return skb_is_nonlinear(skb) &&
+ ((skb_has_frags(skb) && !(dev->features & NETIF_F_FRAGLIST)) ||
+ (skb_shinfo(skb)->nr_frags && (!(dev->features & NETIF_F_SG) ||
+ illegal_highdma(dev, skb))));
+}
+
int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
struct netdev_queue *txq)
{
@@ -1948,6 +1959,22 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
goto out_kfree_skb;
if (skb->next)
goto gso;
+ } else {
+ if (skb_needs_linearize(skb, dev) &&
+ __skb_linearize(skb))
+ goto out_kfree_skb;
+
+ /* If packet is not checksummed and device does not
+ * support checksumming for this protocol, complete
+ * checksumming here.
+ */
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
+ skb_set_transport_header(skb, skb->csum_start -
+ skb_headroom(skb));
+ if (!dev_can_checksum(dev, skb) &&
+ skb_checksum_help(skb))
+ goto out_kfree_skb;
+ }
}
rc = ops->ndo_start_xmit(skb, dev);
@@ -2063,14 +2090,24 @@ static inline int __dev_xmit_skb(struct sk_buff *skb, struct Qdisc *q,
struct netdev_queue *txq)
{
spinlock_t *root_lock = qdisc_lock(q);
+ bool contended = qdisc_is_running(q);
int rc;
+ /*
+ * Heuristic to force contended enqueues to serialize on a
+ * separate lock before trying to get qdisc main lock.
+ * This permits __QDISC_STATE_RUNNING owner to get the lock more often
+ * and dequeue packets faster.
+ */
+ if (unlikely(contended))
+ spin_lock(&q->busylock);
+
spin_lock(root_lock);
if (unlikely(test_bit(__QDISC_STATE_DEACTIVATED, &q->state))) {
kfree_skb(skb);
rc = NET_XMIT_DROP;
} else if ((q->flags & TCQ_F_CAN_BYPASS) && !qdisc_qlen(q) &&
- !test_and_set_bit(__QDISC_STATE_RUNNING, &q->state)) {
+ qdisc_run_begin(q)) {
/*
* This is a work-conserving queue; there are no old skbs
* waiting to be sent out; and the qdisc is not running -
@@ -2079,37 +2116,33 @@ static inline int __dev_xmit_skb(struct sk_buff *skb, struct Qdisc *q,
if (!(dev->priv_flags & IFF_XMIT_DST_RELEASE))
skb_dst_force(skb);
__qdisc_update_bstats(q, skb->len);
- if (sch_direct_xmit(skb, q, dev, txq, root_lock))
+ if (sch_direct_xmit(skb, q, dev, txq, root_lock)) {
+ if (unlikely(contended)) {
+ spin_unlock(&q->busylock);
+ contended = false;
+ }
__qdisc_run(q);
- else
- clear_bit(__QDISC_STATE_RUNNING, &q->state);
+ } else
+ qdisc_run_end(q);
rc = NET_XMIT_SUCCESS;
} else {
skb_dst_force(skb);
rc = qdisc_enqueue_root(skb, q);
- qdisc_run(q);
+ if (qdisc_run_begin(q)) {
+ if (unlikely(contended)) {
+ spin_unlock(&q->busylock);
+ contended = false;
+ }
+ __qdisc_run(q);
+ }
}
spin_unlock(root_lock);
-
+ if (unlikely(contended))
+ spin_unlock(&q->busylock);
return rc;
}
-/*
- * Returns true if either:
- * 1. skb has frag_list and the device doesn't support FRAGLIST, or
- * 2. skb is fragmented and the device does not support SG, or if
- * at least one of fragments is in highmem and device does not
- * support DMA from it.
- */
-static inline int skb_needs_linearize(struct sk_buff *skb,
- struct net_device *dev)
-{
- return (skb_has_frags(skb) && !(dev->features & NETIF_F_FRAGLIST)) ||
- (skb_shinfo(skb)->nr_frags && (!(dev->features & NETIF_F_SG) ||
- illegal_highdma(dev, skb)));
-}
-
/**
* dev_queue_xmit - transmit a buffer
* @skb: buffer to transmit
@@ -2142,25 +2175,6 @@ int dev_queue_xmit(struct sk_buff *skb)
struct Qdisc *q;
int rc = -ENOMEM;
- /* GSO will handle the following emulations directly. */
- if (netif_needs_gso(dev, skb))
- goto gso;
-
- /* Convert a paged skb to linear, if required */
- if (skb_needs_linearize(skb, dev) && __skb_linearize(skb))
- goto out_kfree_skb;
-
- /* If packet is not checksummed and device does not support
- * checksumming for this protocol, complete checksumming here.
- */
- if (skb->ip_summed == CHECKSUM_PARTIAL) {
- skb_set_transport_header(skb, skb->csum_start -
- skb_headroom(skb));
- if (!dev_can_checksum(dev, skb) && skb_checksum_help(skb))
- goto out_kfree_skb;
- }
-
-gso:
/* Disable soft irqs for various locks below. Also
* stops preemption for RCU.
*/
@@ -2219,7 +2233,6 @@ gso:
rc = -ENETDOWN;
rcu_read_unlock_bh();
-out_kfree_skb:
kfree_skb(skb);
return rc;
out:
@@ -2604,70 +2617,14 @@ static inline int deliver_skb(struct sk_buff *skb,
return pt_prev->func(skb, skb->dev, pt_prev, orig_dev);
}
-#if defined(CONFIG_BRIDGE) || defined (CONFIG_BRIDGE_MODULE)
-
-#if defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE)
+#if (defined(CONFIG_BRIDGE) || defined(CONFIG_BRIDGE_MODULE)) && \
+ (defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE))
/* This hook is defined here for ATM LANE */
int (*br_fdb_test_addr_hook)(struct net_device *dev,
unsigned char *addr) __read_mostly;
EXPORT_SYMBOL_GPL(br_fdb_test_addr_hook);
#endif
-/*
- * If bridge module is loaded call bridging hook.
- * returns NULL if packet was consumed.
- */
-struct sk_buff *(*br_handle_frame_hook)(struct net_bridge_port *p,
- struct sk_buff *skb) __read_mostly;
-EXPORT_SYMBOL_GPL(br_handle_frame_hook);
-
-static inline struct sk_buff *handle_bridge(struct sk_buff *skb,
- struct packet_type **pt_prev, int *ret,
- struct net_device *orig_dev)
-{
- struct net_bridge_port *port;
-
- if (skb->pkt_type == PACKET_LOOPBACK ||
- (port = rcu_dereference(skb->dev->br_port)) == NULL)
- return skb;
-
- if (*pt_prev) {
- *ret = deliver_skb(skb, *pt_prev, orig_dev);
- *pt_prev = NULL;
- }
-
- return br_handle_frame_hook(port, skb);
-}
-#else
-#define handle_bridge(skb, pt_prev, ret, orig_dev) (skb)
-#endif
-
-#if defined(CONFIG_MACVLAN) || defined(CONFIG_MACVLAN_MODULE)
-struct sk_buff *(*macvlan_handle_frame_hook)(struct macvlan_port *p,
- struct sk_buff *skb) __read_mostly;
-EXPORT_SYMBOL_GPL(macvlan_handle_frame_hook);
-
-static inline struct sk_buff *handle_macvlan(struct sk_buff *skb,
- struct packet_type **pt_prev,
- int *ret,
- struct net_device *orig_dev)
-{
- struct macvlan_port *port;
-
- port = rcu_dereference(skb->dev->macvlan_port);
- if (!port)
- return skb;
-
- if (*pt_prev) {
- *ret = deliver_skb(skb, *pt_prev, orig_dev);
- *pt_prev = NULL;
- }
- return macvlan_handle_frame_hook(port, skb);
-}
-#else
-#define handle_macvlan(skb, pt_prev, ret, orig_dev) (skb)
-#endif
-
#ifdef CONFIG_NET_CLS_ACT
/* TODO: Maybe we should just force sch_ingress to be compiled in
* when CONFIG_NET_CLS_ACT is? otherwise some useless instructions
@@ -2685,10 +2642,10 @@ static int ing_filter(struct sk_buff *skb)
int result = TC_ACT_OK;
struct Qdisc *q;
- if (MAX_RED_LOOP < ttl++) {
- printk(KERN_WARNING
- "Redir loop detected Dropping packet (%d->%d)\n",
- skb->skb_iif, dev->ifindex);
+ if (unlikely(MAX_RED_LOOP < ttl++)) {
+ if (net_ratelimit())
+ pr_warning( "Redir loop detected Dropping packet (%d->%d)\n",
+ skb->skb_iif, dev->ifindex);
return TC_ACT_SHOT;
}
@@ -2718,9 +2675,6 @@ static inline struct sk_buff *handle_ing(struct sk_buff *skb,
if (*pt_prev) {
*ret = deliver_skb(skb, *pt_prev, orig_dev);
*pt_prev = NULL;
- } else {
- /* Huh? Why does turning on AF_PACKET affect this? */
- skb->tc_verd = SET_TC_OK2MUNGE(skb->tc_verd);
}
switch (ing_filter(skb)) {
@@ -2763,6 +2717,51 @@ void netif_nit_deliver(struct sk_buff *skb)
rcu_read_unlock();
}
+/**
+ * netdev_rx_handler_register - register receive handler
+ * @dev: device to register a handler for
+ * @rx_handler: receive handler to register
+ * @rx_handler_data: data pointer that is used by rx handler
+ *
+ * Register a receive hander for a device. This handler will then be
+ * called from __netif_receive_skb. A negative errno code is returned
+ * on a failure.
+ *
+ * The caller must hold the rtnl_mutex.
+ */
+int netdev_rx_handler_register(struct net_device *dev,
+ rx_handler_func_t *rx_handler,
+ void *rx_handler_data)
+{
+ ASSERT_RTNL();
+
+ if (dev->rx_handler)
+ return -EBUSY;
+
+ rcu_assign_pointer(dev->rx_handler_data, rx_handler_data);
+ rcu_assign_pointer(dev->rx_handler, rx_handler);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(netdev_rx_handler_register);
+
+/**
+ * netdev_rx_handler_unregister - unregister receive handler
+ * @dev: device to unregister a handler from
+ *
+ * Unregister a receive hander from a device.
+ *
+ * The caller must hold the rtnl_mutex.
+ */
+void netdev_rx_handler_unregister(struct net_device *dev)
+{
+
+ ASSERT_RTNL();
+ rcu_assign_pointer(dev->rx_handler, NULL);
+ rcu_assign_pointer(dev->rx_handler_data, NULL);
+}
+EXPORT_SYMBOL_GPL(netdev_rx_handler_unregister);
+
static inline void skb_bond_set_mac_by_master(struct sk_buff *skb,
struct net_device *master)
{
@@ -2784,7 +2783,8 @@ int __skb_bond_should_drop(struct sk_buff *skb, struct net_device *master)
if (master->priv_flags & IFF_MASTER_ARPMON)
dev->last_rx = jiffies;
- if ((master->priv_flags & IFF_MASTER_ALB) && master->br_port) {
+ if ((master->priv_flags & IFF_MASTER_ALB) &&
+ (master->priv_flags & IFF_BRIDGE_PORT)) {
/* Do address unmangle. The local destination address
* will be always the one master has. Provides the right
* functionality in a bridge.
@@ -2815,6 +2815,7 @@ EXPORT_SYMBOL(__skb_bond_should_drop);
static int __netif_receive_skb(struct sk_buff *skb)
{
struct packet_type *ptype, *pt_prev;
+ rx_handler_func_t *rx_handler;
struct net_device *orig_dev;
struct net_device *master;
struct net_device *null_or_orig;
@@ -2856,8 +2857,7 @@ static int __netif_receive_skb(struct sk_buff *skb)
skb->dev = master;
}
- __get_cpu_var(softnet_data).processed++;
-
+ __this_cpu_inc(softnet_data.processed);
skb_reset_network_header(skb);
skb_reset_transport_header(skb);
skb->mac_len = skb->network_header - skb->mac_header;
@@ -2889,12 +2889,17 @@ static int __netif_receive_skb(struct sk_buff *skb)
ncls:
#endif
- skb = handle_bridge(skb, &pt_prev, &ret, orig_dev);
- if (!skb)
- goto out;
- skb = handle_macvlan(skb, &pt_prev, &ret, orig_dev);
- if (!skb)
- goto out;
+ /* Handle special case of bridge or macvlan */
+ rx_handler = rcu_dereference(skb->dev->rx_handler);
+ if (rx_handler) {
+ if (pt_prev) {
+ ret = deliver_skb(skb, pt_prev, orig_dev);
+ pt_prev = NULL;
+ }
+ skb = rx_handler(skb);
+ if (!skb)
+ goto out;
+ }
/*
* Make sure frames received on VLAN interfaces stacked on
@@ -2955,6 +2960,9 @@ int netif_receive_skb(struct sk_buff *skb)
if (netdev_tstamp_prequeue)
net_timestamp_check(skb);
+ if (skb_defer_rx_timestamp(skb))
+ return NET_RX_SUCCESS;
+
#ifdef CONFIG_RPS
{
struct rps_dev_flow voidflow, *rflow = &voidflow;
@@ -3719,10 +3727,11 @@ void dev_seq_stop(struct seq_file *seq, void *v)
static void dev_seq_printf_stats(struct seq_file *seq, struct net_device *dev)
{
- const struct net_device_stats *stats = dev_get_stats(dev);
+ struct rtnl_link_stats64 temp;
+ const struct rtnl_link_stats64 *stats = dev_get_stats(dev, &temp);
- seq_printf(seq, "%6s: %7lu %7lu %4lu %4lu %4lu %5lu %10lu %9lu "
- "%8lu %7lu %4lu %4lu %4lu %5lu %7lu %10lu\n",
+ seq_printf(seq, "%6s: %7llu %7llu %4llu %4llu %4llu %5llu %10llu %9llu "
+ "%8llu %7llu %4llu %4llu %4llu %5llu %7llu %10llu\n",
dev->name, stats->rx_bytes, stats->rx_packets,
stats->rx_errors,
stats->rx_dropped + stats->rx_missed_errors,
@@ -5271,20 +5280,22 @@ void netdev_run_todo(void)
/**
* dev_txq_stats_fold - fold tx_queues stats
* @dev: device to get statistics from
- * @stats: struct net_device_stats to hold results
+ * @stats: struct rtnl_link_stats64 to hold results
*/
void dev_txq_stats_fold(const struct net_device *dev,
- struct net_device_stats *stats)
+ struct rtnl_link_stats64 *stats)
{
- unsigned long tx_bytes = 0, tx_packets = 0, tx_dropped = 0;
+ u64 tx_bytes = 0, tx_packets = 0, tx_dropped = 0;
unsigned int i;
struct netdev_queue *txq;
for (i = 0; i < dev->num_tx_queues; i++) {
txq = netdev_get_tx_queue(dev, i);
+ spin_lock_bh(&txq->_xmit_lock);
tx_bytes += txq->tx_bytes;
tx_packets += txq->tx_packets;
tx_dropped += txq->tx_dropped;
+ spin_unlock_bh(&txq->_xmit_lock);
}
if (tx_bytes || tx_packets || tx_dropped) {
stats->tx_bytes = tx_bytes;
@@ -5294,23 +5305,53 @@ void dev_txq_stats_fold(const struct net_device *dev,
}
EXPORT_SYMBOL(dev_txq_stats_fold);
+/* Convert net_device_stats to rtnl_link_stats64. They have the same
+ * fields in the same order, with only the type differing.
+ */
+static void netdev_stats_to_stats64(struct rtnl_link_stats64 *stats64,
+ const struct net_device_stats *netdev_stats)
+{
+#if BITS_PER_LONG == 64
+ BUILD_BUG_ON(sizeof(*stats64) != sizeof(*netdev_stats));
+ memcpy(stats64, netdev_stats, sizeof(*stats64));
+#else
+ size_t i, n = sizeof(*stats64) / sizeof(u64);
+ const unsigned long *src = (const unsigned long *)netdev_stats;
+ u64 *dst = (u64 *)stats64;
+
+ BUILD_BUG_ON(sizeof(*netdev_stats) / sizeof(unsigned long) !=
+ sizeof(*stats64) / sizeof(u64));
+ for (i = 0; i < n; i++)
+ dst[i] = src[i];
+#endif
+}
+
/**
* dev_get_stats - get network device statistics
* @dev: device to get statistics from
+ * @storage: place to store stats
*
- * Get network statistics from device. The device driver may provide
- * its own method by setting dev->netdev_ops->get_stats; otherwise
- * the internal statistics structure is used.
+ * Get network statistics from device. Return @storage.
+ * The device driver may provide its own method by setting
+ * dev->netdev_ops->get_stats64 or dev->netdev_ops->get_stats;
+ * otherwise the internal statistics structure is used.
*/
-const struct net_device_stats *dev_get_stats(struct net_device *dev)
+struct rtnl_link_stats64 *dev_get_stats(struct net_device *dev,
+ struct rtnl_link_stats64 *storage)
{
const struct net_device_ops *ops = dev->netdev_ops;
- if (ops->ndo_get_stats)
- return ops->ndo_get_stats(dev);
-
- dev_txq_stats_fold(dev, &dev->stats);
- return &dev->stats;
+ if (ops->ndo_get_stats64) {
+ memset(storage, 0, sizeof(*storage));
+ return ops->ndo_get_stats64(dev, storage);
+ }
+ if (ops->ndo_get_stats) {
+ netdev_stats_to_stats64(storage, ops->ndo_get_stats(dev));
+ return storage;
+ }
+ netdev_stats_to_stats64(storage, &dev->stats);
+ dev_txq_stats_fold(dev, storage);
+ return storage;
}
EXPORT_SYMBOL(dev_get_stats);
@@ -5815,6 +5856,68 @@ char *netdev_drivername(const struct net_device *dev, char *buffer, int len)
return buffer;
}
+static int __netdev_printk(const char *level, const struct net_device *dev,
+ struct va_format *vaf)
+{
+ int r;
+
+ if (dev && dev->dev.parent)
+ r = dev_printk(level, dev->dev.parent, "%s: %pV",
+ netdev_name(dev), vaf);
+ else if (dev)
+ r = printk("%s%s: %pV", level, netdev_name(dev), vaf);
+ else
+ r = printk("%s(NULL net_device): %pV", level, vaf);
+
+ return r;
+}
+
+int netdev_printk(const char *level, const struct net_device *dev,
+ const char *format, ...)
+{
+ struct va_format vaf;
+ va_list args;
+ int r;
+
+ va_start(args, format);
+
+ vaf.fmt = format;
+ vaf.va = &args;
+
+ r = __netdev_printk(level, dev, &vaf);
+ va_end(args);
+
+ return r;
+}
+EXPORT_SYMBOL(netdev_printk);
+
+#define define_netdev_printk_level(func, level) \
+int func(const struct net_device *dev, const char *fmt, ...) \
+{ \
+ int r; \
+ struct va_format vaf; \
+ va_list args; \
+ \
+ va_start(args, fmt); \
+ \
+ vaf.fmt = fmt; \
+ vaf.va = &args; \
+ \
+ r = __netdev_printk(level, dev, &vaf); \
+ va_end(args); \
+ \
+ return r; \
+} \
+EXPORT_SYMBOL(func);
+
+define_netdev_printk_level(netdev_emerg, KERN_EMERG);
+define_netdev_printk_level(netdev_alert, KERN_ALERT);
+define_netdev_printk_level(netdev_crit, KERN_CRIT);
+define_netdev_printk_level(netdev_err, KERN_ERR);
+define_netdev_printk_level(netdev_warn, KERN_WARNING);
+define_netdev_printk_level(netdev_notice, KERN_NOTICE);
+define_netdev_printk_level(netdev_info, KERN_INFO);
+
static void __net_exit netdev_exit(struct net *net)
{
kfree(net->dev_name_head);
diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c
index ad41529fb60..36e603c78ce 100644
--- a/net/core/drop_monitor.c
+++ b/net/core/drop_monitor.c
@@ -223,6 +223,11 @@ static int set_all_monitor_traces(int state)
spin_lock(&trace_state_lock);
+ if (state == trace_state) {
+ rc = -EAGAIN;
+ goto out_unlock;
+ }
+
switch (state) {
case TRACE_ON:
rc |= register_trace_kfree_skb(trace_kfree_skb_hit, NULL);
@@ -251,11 +256,12 @@ static int set_all_monitor_traces(int state)
if (!rc)
trace_state = state;
+ else
+ rc = -EINPROGRESS;
+out_unlock:
spin_unlock(&trace_state_lock);
- if (rc)
- return -EINPROGRESS;
return rc;
}
@@ -341,9 +347,9 @@ static struct notifier_block dropmon_net_notifier = {
static int __init init_net_drop_monitor(void)
{
- int cpu;
- int rc, i, ret;
struct per_cpu_dm_data *data;
+ int cpu, rc;
+
printk(KERN_INFO "Initalizing network drop monitor service\n");
if (sizeof(void *) > 8) {
@@ -351,21 +357,12 @@ static int __init init_net_drop_monitor(void)
return -ENOSPC;
}
- if (genl_register_family(&net_drop_monitor_family) < 0) {
+ rc = genl_register_family_with_ops(&net_drop_monitor_family,
+ dropmon_ops,
+ ARRAY_SIZE(dropmon_ops));
+ if (rc) {
printk(KERN_ERR "Could not create drop monitor netlink family\n");
- return -EFAULT;
- }
-
- rc = -EFAULT;
-
- for (i = 0; i < ARRAY_SIZE(dropmon_ops); i++) {
- ret = genl_register_ops(&net_drop_monitor_family,
- &dropmon_ops[i]);
- if (ret) {
- printk(KERN_CRIT "Failed to register operation %d\n",
- dropmon_ops[i].cmd);
- goto out_unreg;
- }
+ return rc;
}
rc = register_netdevice_notifier(&dropmon_net_notifier);
diff --git a/net/core/dst.c b/net/core/dst.c
index 9920722cc82..6c41b1fac3d 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -197,7 +197,6 @@ static void ___dst_free(struct dst_entry *dst)
dst->input = dst->output = dst_discard;
dst->obsolete = 2;
}
-EXPORT_SYMBOL(__dst_free);
void __dst_free(struct dst_entry *dst)
{
@@ -213,6 +212,7 @@ void __dst_free(struct dst_entry *dst)
}
spin_unlock_bh(&dst_garbage.lock);
}
+EXPORT_SYMBOL(__dst_free);
struct dst_entry *dst_destroy(struct dst_entry * dst)
{
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 75e4ffeb8cc..7a85367b3c2 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -144,31 +144,13 @@ u32 ethtool_op_get_flags(struct net_device *dev)
}
EXPORT_SYMBOL(ethtool_op_get_flags);
-int ethtool_op_set_flags(struct net_device *dev, u32 data)
+int ethtool_op_set_flags(struct net_device *dev, u32 data, u32 supported)
{
- const struct ethtool_ops *ops = dev->ethtool_ops;
- unsigned long features = dev->features;
-
- if (data & ETH_FLAG_LRO)
- features |= NETIF_F_LRO;
- else
- features &= ~NETIF_F_LRO;
-
- if (data & ETH_FLAG_NTUPLE) {
- if (!ops->set_rx_ntuple)
- return -EOPNOTSUPP;
- features |= NETIF_F_NTUPLE;
- } else {
- /* safe to clear regardless */
- features &= ~NETIF_F_NTUPLE;
- }
-
- if (data & ETH_FLAG_RXHASH)
- features |= NETIF_F_RXHASH;
- else
- features &= ~NETIF_F_RXHASH;
+ if (data & ~supported)
+ return -EINVAL;
- dev->features = features;
+ dev->features = ((dev->features & ~flags_dup_features) |
+ (data & flags_dup_features));
return 0;
}
EXPORT_SYMBOL(ethtool_op_set_flags);
@@ -395,6 +377,80 @@ err_out:
return ret;
}
+static noinline_for_stack int ethtool_get_rxfh_indir(struct net_device *dev,
+ void __user *useraddr)
+{
+ struct ethtool_rxfh_indir *indir;
+ u32 table_size;
+ size_t full_size;
+ int ret;
+
+ if (!dev->ethtool_ops->get_rxfh_indir)
+ return -EOPNOTSUPP;
+
+ if (copy_from_user(&table_size,
+ useraddr + offsetof(struct ethtool_rxfh_indir, size),
+ sizeof(table_size)))
+ return -EFAULT;
+
+ if (table_size >
+ (KMALLOC_MAX_SIZE - sizeof(*indir)) / sizeof(*indir->ring_index))
+ return -ENOMEM;
+ full_size = sizeof(*indir) + sizeof(*indir->ring_index) * table_size;
+ indir = kmalloc(full_size, GFP_USER);
+ if (!indir)
+ return -ENOMEM;
+
+ indir->cmd = ETHTOOL_GRXFHINDIR;
+ indir->size = table_size;
+ ret = dev->ethtool_ops->get_rxfh_indir(dev, indir);
+ if (ret)
+ goto out;
+
+ if (copy_to_user(useraddr, indir, full_size))
+ ret = -EFAULT;
+
+out:
+ kfree(indir);
+ return ret;
+}
+
+static noinline_for_stack int ethtool_set_rxfh_indir(struct net_device *dev,
+ void __user *useraddr)
+{
+ struct ethtool_rxfh_indir *indir;
+ u32 table_size;
+ size_t full_size;
+ int ret;
+
+ if (!dev->ethtool_ops->set_rxfh_indir)
+ return -EOPNOTSUPP;
+
+ if (copy_from_user(&table_size,
+ useraddr + offsetof(struct ethtool_rxfh_indir, size),
+ sizeof(table_size)))
+ return -EFAULT;
+
+ if (table_size >
+ (KMALLOC_MAX_SIZE - sizeof(*indir)) / sizeof(*indir->ring_index))
+ return -ENOMEM;
+ full_size = sizeof(*indir) + sizeof(*indir->ring_index) * table_size;
+ indir = kmalloc(full_size, GFP_USER);
+ if (!indir)
+ return -ENOMEM;
+
+ if (copy_from_user(indir, useraddr, full_size)) {
+ ret = -EFAULT;
+ goto out;
+ }
+
+ ret = dev->ethtool_ops->set_rxfh_indir(dev, indir);
+
+out:
+ kfree(indir);
+ return ret;
+}
+
static void __rx_ntuple_filter_add(struct ethtool_rx_ntuple_list *list,
struct ethtool_rx_ntuple_flow_spec *spec,
struct ethtool_rx_ntuple_flow_spec_container *fsc)
@@ -1563,6 +1619,12 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
case ETHTOOL_GSSET_INFO:
rc = ethtool_get_sset_info(dev, useraddr);
break;
+ case ETHTOOL_GRXFHINDIR:
+ rc = ethtool_get_rxfh_indir(dev, useraddr);
+ break;
+ case ETHTOOL_SRXFHINDIR:
+ rc = ethtool_set_rxfh_indir(dev, useraddr);
+ break;
default:
rc = -EOPNOTSUPP;
}
diff --git a/net/core/filter.c b/net/core/filter.c
index da69fb728d3..52b051f82a0 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -128,87 +128,87 @@ unsigned int sk_run_filter(struct sk_buff *skb, struct sock_filter *filter, int
fentry = &filter[pc];
switch (fentry->code) {
- case BPF_ALU|BPF_ADD|BPF_X:
+ case BPF_S_ALU_ADD_X:
A += X;
continue;
- case BPF_ALU|BPF_ADD|BPF_K:
+ case BPF_S_ALU_ADD_K:
A += fentry->k;
continue;
- case BPF_ALU|BPF_SUB|BPF_X:
+ case BPF_S_ALU_SUB_X:
A -= X;
continue;
- case BPF_ALU|BPF_SUB|BPF_K:
+ case BPF_S_ALU_SUB_K:
A -= fentry->k;
continue;
- case BPF_ALU|BPF_MUL|BPF_X:
+ case BPF_S_ALU_MUL_X:
A *= X;
continue;
- case BPF_ALU|BPF_MUL|BPF_K:
+ case BPF_S_ALU_MUL_K:
A *= fentry->k;
continue;
- case BPF_ALU|BPF_DIV|BPF_X:
+ case BPF_S_ALU_DIV_X:
if (X == 0)
return 0;
A /= X;
continue;
- case BPF_ALU|BPF_DIV|BPF_K:
+ case BPF_S_ALU_DIV_K:
A /= fentry->k;
continue;
- case BPF_ALU|BPF_AND|BPF_X:
+ case BPF_S_ALU_AND_X:
A &= X;
continue;
- case BPF_ALU|BPF_AND|BPF_K:
+ case BPF_S_ALU_AND_K:
A &= fentry->k;
continue;
- case BPF_ALU|BPF_OR|BPF_X:
+ case BPF_S_ALU_OR_X:
A |= X;
continue;
- case BPF_ALU|BPF_OR|BPF_K:
+ case BPF_S_ALU_OR_K:
A |= fentry->k;
continue;
- case BPF_ALU|BPF_LSH|BPF_X:
+ case BPF_S_ALU_LSH_X:
A <<= X;
continue;
- case BPF_ALU|BPF_LSH|BPF_K:
+ case BPF_S_ALU_LSH_K:
A <<= fentry->k;
continue;
- case BPF_ALU|BPF_RSH|BPF_X:
+ case BPF_S_ALU_RSH_X:
A >>= X;
continue;
- case BPF_ALU|BPF_RSH|BPF_K:
+ case BPF_S_ALU_RSH_K:
A >>= fentry->k;
continue;
- case BPF_ALU|BPF_NEG:
+ case BPF_S_ALU_NEG:
A = -A;
continue;
- case BPF_JMP|BPF_JA:
+ case BPF_S_JMP_JA:
pc += fentry->k;
continue;
- case BPF_JMP|BPF_JGT|BPF_K:
+ case BPF_S_JMP_JGT_K:
pc += (A > fentry->k) ? fentry->jt : fentry->jf;
continue;
- case BPF_JMP|BPF_JGE|BPF_K:
+ case BPF_S_JMP_JGE_K:
pc += (A >= fentry->k) ? fentry->jt : fentry->jf;
continue;
- case BPF_JMP|BPF_JEQ|BPF_K:
+ case BPF_S_JMP_JEQ_K:
pc += (A == fentry->k) ? fentry->jt : fentry->jf;
continue;
- case BPF_JMP|BPF_JSET|BPF_K:
+ case BPF_S_JMP_JSET_K:
pc += (A & fentry->k) ? fentry->jt : fentry->jf;
continue;
- case BPF_JMP|BPF_JGT|BPF_X:
+ case BPF_S_JMP_JGT_X:
pc += (A > X) ? fentry->jt : fentry->jf;
continue;
- case BPF_JMP|BPF_JGE|BPF_X:
+ case BPF_S_JMP_JGE_X:
pc += (A >= X) ? fentry->jt : fentry->jf;
continue;
- case BPF_JMP|BPF_JEQ|BPF_X:
+ case BPF_S_JMP_JEQ_X:
pc += (A == X) ? fentry->jt : fentry->jf;
continue;
- case BPF_JMP|BPF_JSET|BPF_X:
+ case BPF_S_JMP_JSET_X:
pc += (A & X) ? fentry->jt : fentry->jf;
continue;
- case BPF_LD|BPF_W|BPF_ABS:
+ case BPF_S_LD_W_ABS:
k = fentry->k;
load_w:
ptr = load_pointer(skb, k, 4, &tmp);
@@ -217,7 +217,7 @@ load_w:
continue;
}
break;
- case BPF_LD|BPF_H|BPF_ABS:
+ case BPF_S_LD_H_ABS:
k = fentry->k;
load_h:
ptr = load_pointer(skb, k, 2, &tmp);
@@ -226,7 +226,7 @@ load_h:
continue;
}
break;
- case BPF_LD|BPF_B|BPF_ABS:
+ case BPF_S_LD_B_ABS:
k = fentry->k;
load_b:
ptr = load_pointer(skb, k, 1, &tmp);
@@ -235,54 +235,54 @@ load_b:
continue;
}
break;
- case BPF_LD|BPF_W|BPF_LEN:
+ case BPF_S_LD_W_LEN:
A = skb->len;
continue;
- case BPF_LDX|BPF_W|BPF_LEN:
+ case BPF_S_LDX_W_LEN:
X = skb->len;
continue;
- case BPF_LD|BPF_W|BPF_IND:
+ case BPF_S_LD_W_IND:
k = X + fentry->k;
goto load_w;
- case BPF_LD|BPF_H|BPF_IND:
+ case BPF_S_LD_H_IND:
k = X + fentry->k;
goto load_h;
- case BPF_LD|BPF_B|BPF_IND:
+ case BPF_S_LD_B_IND:
k = X + fentry->k;
goto load_b;
- case BPF_LDX|BPF_B|BPF_MSH:
+ case BPF_S_LDX_B_MSH:
ptr = load_pointer(skb, fentry->k, 1, &tmp);
if (ptr != NULL) {
X = (*(u8 *)ptr & 0xf) << 2;
continue;
}
return 0;
- case BPF_LD|BPF_IMM:
+ case BPF_S_LD_IMM:
A = fentry->k;
continue;
- case BPF_LDX|BPF_IMM:
+ case BPF_S_LDX_IMM:
X = fentry->k;
continue;
- case BPF_LD|BPF_MEM:
+ case BPF_S_LD_MEM:
A = mem[fentry->k];
continue;
- case BPF_LDX|BPF_MEM:
+ case BPF_S_LDX_MEM:
X = mem[fentry->k];
continue;
- case BPF_MISC|BPF_TAX:
+ case BPF_S_MISC_TAX:
X = A;
continue;
- case BPF_MISC|BPF_TXA:
+ case BPF_S_MISC_TXA:
A = X;
continue;
- case BPF_RET|BPF_K:
+ case BPF_S_RET_K:
return fentry->k;
- case BPF_RET|BPF_A:
+ case BPF_S_RET_A:
return A;
- case BPF_ST:
+ case BPF_S_ST:
mem[fentry->k] = A;
continue;
- case BPF_STX:
+ case BPF_S_STX:
mem[fentry->k] = X;
continue;
default:
@@ -390,53 +390,128 @@ int sk_chk_filter(struct sock_filter *filter, int flen)
/* Only allow valid instructions */
switch (ftest->code) {
case BPF_ALU|BPF_ADD|BPF_K:
+ ftest->code = BPF_S_ALU_ADD_K;
+ break;
case BPF_ALU|BPF_ADD|BPF_X:
+ ftest->code = BPF_S_ALU_ADD_X;
+ break;
case BPF_ALU|BPF_SUB|BPF_K:
+ ftest->code = BPF_S_ALU_SUB_K;
+ break;
case BPF_ALU|BPF_SUB|BPF_X:
+ ftest->code = BPF_S_ALU_SUB_X;
+ break;
case BPF_ALU|BPF_MUL|BPF_K:
+ ftest->code = BPF_S_ALU_MUL_K;
+ break;
case BPF_ALU|BPF_MUL|BPF_X:
+ ftest->code = BPF_S_ALU_MUL_X;
+ break;
case BPF_ALU|BPF_DIV|BPF_X:
+ ftest->code = BPF_S_ALU_DIV_X;
+ break;
case BPF_ALU|BPF_AND|BPF_K:
+ ftest->code = BPF_S_ALU_AND_K;
+ break;
case BPF_ALU|BPF_AND|BPF_X:
+ ftest->code = BPF_S_ALU_AND_X;
+ break;
case BPF_ALU|BPF_OR|BPF_K:
+ ftest->code = BPF_S_ALU_OR_K;
+ break;
case BPF_ALU|BPF_OR|BPF_X:
+ ftest->code = BPF_S_ALU_OR_X;
+ break;
case BPF_ALU|BPF_LSH|BPF_K:
+ ftest->code = BPF_S_ALU_LSH_K;
+ break;
case BPF_ALU|BPF_LSH|BPF_X:
+ ftest->code = BPF_S_ALU_LSH_X;
+ break;
case BPF_ALU|BPF_RSH|BPF_K:
+ ftest->code = BPF_S_ALU_RSH_K;
+ break;
case BPF_ALU|BPF_RSH|BPF_X:
+ ftest->code = BPF_S_ALU_RSH_X;
+ break;
case BPF_ALU|BPF_NEG:
+ ftest->code = BPF_S_ALU_NEG;
+ break;
case BPF_LD|BPF_W|BPF_ABS:
+ ftest->code = BPF_S_LD_W_ABS;
+ break;
case BPF_LD|BPF_H|BPF_ABS:
+ ftest->code = BPF_S_LD_H_ABS;
+ break;
case BPF_LD|BPF_B|BPF_ABS:
+ ftest->code = BPF_S_LD_B_ABS;
+ break;
case BPF_LD|BPF_W|BPF_LEN:
+ ftest->code = BPF_S_LD_W_LEN;
+ break;
case BPF_LD|BPF_W|BPF_IND:
+ ftest->code = BPF_S_LD_W_IND;
+ break;
case BPF_LD|BPF_H|BPF_IND:
+ ftest->code = BPF_S_LD_H_IND;
+ break;
case BPF_LD|BPF_B|BPF_IND:
+ ftest->code = BPF_S_LD_B_IND;
+ break;
case BPF_LD|BPF_IMM:
+ ftest->code = BPF_S_LD_IMM;
+ break;
case BPF_LDX|BPF_W|BPF_LEN:
+ ftest->code = BPF_S_LDX_W_LEN;
+ break;
case BPF_LDX|BPF_B|BPF_MSH:
+ ftest->code = BPF_S_LDX_B_MSH;
+ break;
case BPF_LDX|BPF_IMM:
+ ftest->code = BPF_S_LDX_IMM;
+ break;
case BPF_MISC|BPF_TAX:
+ ftest->code = BPF_S_MISC_TAX;
+ break;
case BPF_MISC|BPF_TXA:
+ ftest->code = BPF_S_MISC_TXA;
+ break;
case BPF_RET|BPF_K:
+ ftest->code = BPF_S_RET_K;
+ break;
case BPF_RET|BPF_A:
+ ftest->code = BPF_S_RET_A;
break;
/* Some instructions need special checks */
- case BPF_ALU|BPF_DIV|BPF_K:
/* check for division by zero */
+ case BPF_ALU|BPF_DIV|BPF_K:
if (ftest->k == 0)
return -EINVAL;
+ ftest->code = BPF_S_ALU_DIV_K;
break;
+ /* check for invalid memory addresses */
case BPF_LD|BPF_MEM:
+ if (ftest->k >= BPF_MEMWORDS)
+ return -EINVAL;
+ ftest->code = BPF_S_LD_MEM;
+ break;
case BPF_LDX|BPF_MEM:
+ if (ftest->k >= BPF_MEMWORDS)
+ return -EINVAL;
+ ftest->code = BPF_S_LDX_MEM;
+ break;
case BPF_ST:
+ if (ftest->k >= BPF_MEMWORDS)
+ return -EINVAL;
+ ftest->code = BPF_S_ST;
+ break;
case BPF_STX:
- /* check for invalid memory addresses */
if (ftest->k >= BPF_MEMWORDS)
return -EINVAL;
+ ftest->code = BPF_S_STX;
break;
case BPF_JMP|BPF_JA:
@@ -447,28 +522,63 @@ int sk_chk_filter(struct sock_filter *filter, int flen)
*/
if (ftest->k >= (unsigned)(flen-pc-1))
return -EINVAL;
+ ftest->code = BPF_S_JMP_JA;
break;
case BPF_JMP|BPF_JEQ|BPF_K:
+ ftest->code = BPF_S_JMP_JEQ_K;
+ break;
case BPF_JMP|BPF_JEQ|BPF_X:
+ ftest->code = BPF_S_JMP_JEQ_X;
+ break;
case BPF_JMP|BPF_JGE|BPF_K:
+ ftest->code = BPF_S_JMP_JGE_K;
+ break;
case BPF_JMP|BPF_JGE|BPF_X:
+ ftest->code = BPF_S_JMP_JGE_X;
+ break;
case BPF_JMP|BPF_JGT|BPF_K:
+ ftest->code = BPF_S_JMP_JGT_K;
+ break;
case BPF_JMP|BPF_JGT|BPF_X:
+ ftest->code = BPF_S_JMP_JGT_X;
+ break;
case BPF_JMP|BPF_JSET|BPF_K:
+ ftest->code = BPF_S_JMP_JSET_K;
+ break;
case BPF_JMP|BPF_JSET|BPF_X:
+ ftest->code = BPF_S_JMP_JSET_X;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
/* for conditionals both must be safe */
+ switch (ftest->code) {
+ case BPF_S_JMP_JEQ_K:
+ case BPF_S_JMP_JEQ_X:
+ case BPF_S_JMP_JGE_K:
+ case BPF_S_JMP_JGE_X:
+ case BPF_S_JMP_JGT_K:
+ case BPF_S_JMP_JGT_X:
+ case BPF_S_JMP_JSET_X:
+ case BPF_S_JMP_JSET_K:
if (pc + ftest->jt + 1 >= flen ||
pc + ftest->jf + 1 >= flen)
return -EINVAL;
- break;
+ }
+ }
+ /* last instruction must be a RET code */
+ switch (filter[flen - 1].code) {
+ case BPF_S_RET_K:
+ case BPF_S_RET_A:
+ return 0;
+ break;
default:
return -EINVAL;
}
- }
-
- return (BPF_CLASS(filter[flen - 1].code) == BPF_RET) ? 0 : -EINVAL;
}
EXPORT_SYMBOL(sk_chk_filter);
diff --git a/net/core/flow.c b/net/core/flow.c
index 16190067400..f67dcbfe54e 100644
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -62,6 +62,7 @@ struct flow_cache {
};
atomic_t flow_cache_genid = ATOMIC_INIT(0);
+EXPORT_SYMBOL(flow_cache_genid);
static struct flow_cache flow_cache_global;
static struct kmem_cache *flow_cachep;
@@ -222,7 +223,7 @@ flow_cache_lookup(struct net *net, struct flowi *key, u16 family, u8 dir,
unsigned int hash;
local_bh_disable();
- fcp = per_cpu_ptr(fc->percpu, smp_processor_id());
+ fcp = this_cpu_ptr(fc->percpu);
fle = NULL;
flo = NULL;
@@ -291,6 +292,7 @@ ret_object:
local_bh_enable();
return flo;
}
+EXPORT_SYMBOL(flow_cache_lookup);
static void flow_cache_flush_tasklet(unsigned long data)
{
@@ -302,7 +304,7 @@ static void flow_cache_flush_tasklet(unsigned long data)
LIST_HEAD(gc_list);
int i, deleted = 0;
- fcp = per_cpu_ptr(fc->percpu, smp_processor_id());
+ fcp = this_cpu_ptr(fc->percpu);
for (i = 0; i < flow_cache_hash_size(fc); i++) {
hlist_for_each_entry_safe(fle, entry, tmp,
&fcp->hash_table[i], u.hlist) {
@@ -424,6 +426,3 @@ static int __init flow_cache_init_global(void)
}
module_init(flow_cache_init_global);
-
-EXPORT_SYMBOL(flow_cache_genid);
-EXPORT_SYMBOL(flow_cache_lookup);
diff --git a/net/core/gen_estimator.c b/net/core/gen_estimator.c
index 785e5276a30..9fbe7f7429b 100644
--- a/net/core/gen_estimator.c
+++ b/net/core/gen_estimator.c
@@ -263,6 +263,7 @@ static void __gen_kill_estimator(struct rcu_head *head)
*
* Removes the rate estimator specified by &bstats and &rate_est.
*
+ * Note : Caller should respect an RCU grace period before freeing stats_lock
*/
void gen_kill_estimator(struct gnet_stats_basic_packed *bstats,
struct gnet_stats_rate_est *rate_est)
diff --git a/net/core/gen_stats.c b/net/core/gen_stats.c
index 393b1d8618e..0452eb27a27 100644
--- a/net/core/gen_stats.c
+++ b/net/core/gen_stats.c
@@ -73,6 +73,7 @@ gnet_stats_start_copy_compat(struct sk_buff *skb, int type, int tc_stats_type,
return 0;
}
+EXPORT_SYMBOL(gnet_stats_start_copy_compat);
/**
* gnet_stats_start_copy_compat - start dumping procedure in compatibility mode
@@ -93,6 +94,7 @@ gnet_stats_start_copy(struct sk_buff *skb, int type, spinlock_t *lock,
{
return gnet_stats_start_copy_compat(skb, type, 0, 0, lock, d);
}
+EXPORT_SYMBOL(gnet_stats_start_copy);
/**
* gnet_stats_copy_basic - copy basic statistics into statistic TLV
@@ -123,6 +125,7 @@ gnet_stats_copy_basic(struct gnet_dump *d, struct gnet_stats_basic_packed *b)
}
return 0;
}
+EXPORT_SYMBOL(gnet_stats_copy_basic);
/**
* gnet_stats_copy_rate_est - copy rate estimator statistics into statistics TLV
@@ -154,6 +157,7 @@ gnet_stats_copy_rate_est(struct gnet_dump *d,
return 0;
}
+EXPORT_SYMBOL(gnet_stats_copy_rate_est);
/**
* gnet_stats_copy_queue - copy queue statistics into statistics TLV
@@ -181,6 +185,7 @@ gnet_stats_copy_queue(struct gnet_dump *d, struct gnet_stats_queue *q)
return 0;
}
+EXPORT_SYMBOL(gnet_stats_copy_queue);
/**
* gnet_stats_copy_app - copy application specific statistics into statistics TLV
@@ -208,6 +213,7 @@ gnet_stats_copy_app(struct gnet_dump *d, void *st, int len)
return 0;
}
+EXPORT_SYMBOL(gnet_stats_copy_app);
/**
* gnet_stats_finish_copy - finish dumping procedure
@@ -241,12 +247,4 @@ gnet_stats_finish_copy(struct gnet_dump *d)
spin_unlock_bh(d->lock);
return 0;
}
-
-
-EXPORT_SYMBOL(gnet_stats_start_copy);
-EXPORT_SYMBOL(gnet_stats_start_copy_compat);
-EXPORT_SYMBOL(gnet_stats_copy_basic);
-EXPORT_SYMBOL(gnet_stats_copy_rate_est);
-EXPORT_SYMBOL(gnet_stats_copy_queue);
-EXPORT_SYMBOL(gnet_stats_copy_app);
EXPORT_SYMBOL(gnet_stats_finish_copy);
diff --git a/net/core/iovec.c b/net/core/iovec.c
index 1e7f4e91a93..1cd98df412d 100644
--- a/net/core/iovec.c
+++ b/net/core/iovec.c
@@ -95,6 +95,7 @@ int memcpy_toiovec(struct iovec *iov, unsigned char *kdata, int len)
return 0;
}
+EXPORT_SYMBOL(memcpy_toiovec);
/*
* Copy kernel to iovec. Returns -EFAULT on error.
@@ -120,6 +121,7 @@ int memcpy_toiovecend(const struct iovec *iov, unsigned char *kdata,
return 0;
}
+EXPORT_SYMBOL(memcpy_toiovecend);
/*
* Copy iovec to kernel. Returns -EFAULT on error.
@@ -144,6 +146,7 @@ int memcpy_fromiovec(unsigned char *kdata, struct iovec *iov, int len)
return 0;
}
+EXPORT_SYMBOL(memcpy_fromiovec);
/*
* Copy iovec from kernel. Returns -EFAULT on error.
@@ -172,6 +175,7 @@ int memcpy_fromiovecend(unsigned char *kdata, const struct iovec *iov,
return 0;
}
+EXPORT_SYMBOL(memcpy_fromiovecend);
/*
* And now for the all-in-one: copy and checksum from a user iovec
@@ -256,9 +260,4 @@ out_fault:
err = -EFAULT;
goto out;
}
-
EXPORT_SYMBOL(csum_partial_copy_fromiovecend);
-EXPORT_SYMBOL(memcpy_fromiovec);
-EXPORT_SYMBOL(memcpy_fromiovecend);
-EXPORT_SYMBOL(memcpy_toiovec);
-EXPORT_SYMBOL(memcpy_toiovecend);
diff --git a/net/core/link_watch.c b/net/core/link_watch.c
index bdbce2f5875..01a1101b593 100644
--- a/net/core/link_watch.c
+++ b/net/core/link_watch.c
@@ -243,5 +243,4 @@ void linkwatch_fire_event(struct net_device *dev)
linkwatch_schedule_work(urgent);
}
-
EXPORT_SYMBOL(linkwatch_fire_event);
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 99e7052d732..af4dfbadf2a 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -29,6 +29,7 @@ static const char fmt_hex[] = "%#x\n";
static const char fmt_long_hex[] = "%#lx\n";
static const char fmt_dec[] = "%d\n";
static const char fmt_ulong[] = "%lu\n";
+static const char fmt_u64[] = "%llu\n";
static inline int dev_isalive(const struct net_device *dev)
{
@@ -94,6 +95,7 @@ static ssize_t netdev_store(struct device *dev, struct device_attribute *attr,
}
NETDEVICE_SHOW(dev_id, fmt_hex);
+NETDEVICE_SHOW(addr_assign_type, fmt_dec);
NETDEVICE_SHOW(addr_len, fmt_dec);
NETDEVICE_SHOW(iflink, fmt_dec);
NETDEVICE_SHOW(ifindex, fmt_dec);
@@ -294,6 +296,7 @@ static ssize_t show_ifalias(struct device *dev,
}
static struct device_attribute net_class_attributes[] = {
+ __ATTR(addr_assign_type, S_IRUGO, show_addr_assign_type, NULL),
__ATTR(addr_len, S_IRUGO, show_addr_len, NULL),
__ATTR(dev_id, S_IRUGO, show_dev_id, NULL),
__ATTR(ifalias, S_IRUGO | S_IWUSR, show_ifalias, store_ifalias),
@@ -324,14 +327,15 @@ static ssize_t netstat_show(const struct device *d,
struct net_device *dev = to_net_dev(d);
ssize_t ret = -EINVAL;
- WARN_ON(offset > sizeof(struct net_device_stats) ||
- offset % sizeof(unsigned long) != 0);
+ WARN_ON(offset > sizeof(struct rtnl_link_stats64) ||
+ offset % sizeof(u64) != 0);
read_lock(&dev_base_lock);
if (dev_isalive(dev)) {
- const struct net_device_stats *stats = dev_get_stats(dev);
- ret = sprintf(buf, fmt_ulong,
- *(unsigned long *)(((u8 *) stats) + offset));
+ struct rtnl_link_stats64 temp;
+ const struct rtnl_link_stats64 *stats = dev_get_stats(dev, &temp);
+
+ ret = sprintf(buf, fmt_u64, *(u64 *)(((u8 *) stats) + offset));
}
read_unlock(&dev_base_lock);
return ret;
@@ -343,7 +347,7 @@ static ssize_t show_##name(struct device *d, \
struct device_attribute *attr, char *buf) \
{ \
return netstat_show(d, attr, buf, \
- offsetof(struct net_device_stats, name)); \
+ offsetof(struct rtnl_link_stats64, name)); \
} \
static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL)
@@ -922,13 +926,12 @@ int netdev_class_create_file(struct class_attribute *class_attr)
{
return class_create_file(&net_class, class_attr);
}
+EXPORT_SYMBOL(netdev_class_create_file);
void netdev_class_remove_file(struct class_attribute *class_attr)
{
class_remove_file(&net_class, class_attr);
}
-
-EXPORT_SYMBOL(netdev_class_create_file);
EXPORT_SYMBOL(netdev_class_remove_file);
int netdev_kobject_init(void)
diff --git a/net/core/netevent.c b/net/core/netevent.c
index 95f81de8750..865f0ceb81f 100644
--- a/net/core/netevent.c
+++ b/net/core/netevent.c
@@ -35,6 +35,7 @@ int register_netevent_notifier(struct notifier_block *nb)
err = atomic_notifier_chain_register(&netevent_notif_chain, nb);
return err;
}
+EXPORT_SYMBOL_GPL(register_netevent_notifier);
/**
* netevent_unregister_notifier - unregister a netevent notifier block
@@ -50,6 +51,7 @@ int unregister_netevent_notifier(struct notifier_block *nb)
{
return atomic_notifier_chain_unregister(&netevent_notif_chain, nb);
}
+EXPORT_SYMBOL_GPL(unregister_netevent_notifier);
/**
* call_netevent_notifiers - call all netevent notifier blocks
@@ -64,7 +66,4 @@ int call_netevent_notifiers(unsigned long val, void *v)
{
return atomic_notifier_call_chain(&netevent_notif_chain, val, v);
}
-
-EXPORT_SYMBOL_GPL(register_netevent_notifier);
-EXPORT_SYMBOL_GPL(unregister_netevent_notifier);
EXPORT_SYMBOL_GPL(call_netevent_notifiers);
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 94825b10955..537e01afd81 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -199,11 +199,13 @@ void netpoll_poll_dev(struct net_device *dev)
zap_completion_queue();
}
+EXPORT_SYMBOL(netpoll_poll_dev);
void netpoll_poll(struct netpoll *np)
{
netpoll_poll_dev(np->dev);
}
+EXPORT_SYMBOL(netpoll_poll);
static void refill_skbs(void)
{
@@ -292,6 +294,7 @@ void netpoll_send_skb(struct netpoll *np, struct sk_buff *skb)
unsigned long tries;
struct net_device *dev = np->dev;
const struct net_device_ops *ops = dev->netdev_ops;
+ /* It is up to the caller to keep npinfo alive. */
struct netpoll_info *npinfo = np->dev->npinfo;
if (!npinfo || !netif_running(dev) || !netif_device_present(dev)) {
@@ -343,6 +346,7 @@ void netpoll_send_skb(struct netpoll *np, struct sk_buff *skb)
schedule_delayed_work(&npinfo->tx_work,0);
}
}
+EXPORT_SYMBOL(netpoll_send_skb);
void netpoll_send_udp(struct netpoll *np, const char *msg, int len)
{
@@ -404,6 +408,7 @@ void netpoll_send_udp(struct netpoll *np, const char *msg, int len)
netpoll_send_skb(np, skb);
}
+EXPORT_SYMBOL(netpoll_send_udp);
static void arp_reply(struct sk_buff *skb)
{
@@ -630,6 +635,7 @@ void netpoll_print_options(struct netpoll *np)
printk(KERN_INFO "%s: remote ethernet address %pM\n",
np->name, np->remote_mac);
}
+EXPORT_SYMBOL(netpoll_print_options);
int netpoll_parse_options(struct netpoll *np, char *opt)
{
@@ -722,30 +728,29 @@ int netpoll_parse_options(struct netpoll *np, char *opt)
np->name, cur);
return -1;
}
+EXPORT_SYMBOL(netpoll_parse_options);
-int netpoll_setup(struct netpoll *np)
+int __netpoll_setup(struct netpoll *np)
{
- struct net_device *ndev = NULL;
- struct in_device *in_dev;
+ struct net_device *ndev = np->dev;
struct netpoll_info *npinfo;
- struct netpoll *npe, *tmp;
+ const struct net_device_ops *ops;
unsigned long flags;
int err;
- if (np->dev_name)
- ndev = dev_get_by_name(&init_net, np->dev_name);
- if (!ndev) {
- printk(KERN_ERR "%s: %s doesn't exist, aborting.\n",
+ if ((ndev->priv_flags & IFF_DISABLE_NETPOLL) ||
+ !ndev->netdev_ops->ndo_poll_controller) {
+ printk(KERN_ERR "%s: %s doesn't support polling, aborting.\n",
np->name, np->dev_name);
- return -ENODEV;
+ err = -ENOTSUPP;
+ goto out;
}
- np->dev = ndev;
if (!ndev->npinfo) {
npinfo = kmalloc(sizeof(*npinfo), GFP_KERNEL);
if (!npinfo) {
err = -ENOMEM;
- goto put;
+ goto out;
}
npinfo->rx_flags = 0;
@@ -757,6 +762,13 @@ int netpoll_setup(struct netpoll *np)
INIT_DELAYED_WORK(&npinfo->tx_work, queue_process);
atomic_set(&npinfo->refcnt, 1);
+
+ ops = np->dev->netdev_ops;
+ if (ops->ndo_netpoll_setup) {
+ err = ops->ndo_netpoll_setup(ndev, npinfo);
+ if (err)
+ goto free_npinfo;
+ }
} else {
npinfo = ndev->npinfo;
atomic_inc(&npinfo->refcnt);
@@ -764,12 +776,37 @@ int netpoll_setup(struct netpoll *np)
npinfo->netpoll = np;
- if ((ndev->priv_flags & IFF_DISABLE_NETPOLL) ||
- !ndev->netdev_ops->ndo_poll_controller) {
- printk(KERN_ERR "%s: %s doesn't support polling, aborting.\n",
+ if (np->rx_hook) {
+ spin_lock_irqsave(&npinfo->rx_lock, flags);
+ npinfo->rx_flags |= NETPOLL_RX_ENABLED;
+ list_add_tail(&np->rx, &npinfo->rx_np);
+ spin_unlock_irqrestore(&npinfo->rx_lock, flags);
+ }
+
+ /* last thing to do is link it to the net device structure */
+ rcu_assign_pointer(ndev->npinfo, npinfo);
+
+ return 0;
+
+free_npinfo:
+ kfree(npinfo);
+out:
+ return err;
+}
+EXPORT_SYMBOL_GPL(__netpoll_setup);
+
+int netpoll_setup(struct netpoll *np)
+{
+ struct net_device *ndev = NULL;
+ struct in_device *in_dev;
+ int err;
+
+ if (np->dev_name)
+ ndev = dev_get_by_name(&init_net, np->dev_name);
+ if (!ndev) {
+ printk(KERN_ERR "%s: %s doesn't exist, aborting.\n",
np->name, np->dev_name);
- err = -ENOTSUPP;
- goto release;
+ return -ENODEV;
}
if (!netif_running(ndev)) {
@@ -785,7 +822,7 @@ int netpoll_setup(struct netpoll *np)
if (err) {
printk(KERN_ERR "%s: failed to open %s\n",
np->name, ndev->name);
- goto release;
+ goto put;
}
atleast = jiffies + HZ/10;
@@ -822,7 +859,7 @@ int netpoll_setup(struct netpoll *np)
printk(KERN_ERR "%s: no IP address for %s, aborting\n",
np->name, np->dev_name);
err = -EDESTADDRREQ;
- goto release;
+ goto put;
}
np->local_ip = in_dev->ifa_list->ifa_local;
@@ -830,38 +867,25 @@ int netpoll_setup(struct netpoll *np)
printk(KERN_INFO "%s: local IP %pI4\n", np->name, &np->local_ip);
}
- if (np->rx_hook) {
- spin_lock_irqsave(&npinfo->rx_lock, flags);
- npinfo->rx_flags |= NETPOLL_RX_ENABLED;
- list_add_tail(&np->rx, &npinfo->rx_np);
- spin_unlock_irqrestore(&npinfo->rx_lock, flags);
- }
+ np->dev = ndev;
/* fill up the skb queue */
refill_skbs();
- /* last thing to do is link it to the net device structure */
- ndev->npinfo = npinfo;
+ rtnl_lock();
+ err = __netpoll_setup(np);
+ rtnl_unlock();
- /* avoid racing with NAPI reading npinfo */
- synchronize_rcu();
+ if (err)
+ goto put;
return 0;
- release:
- if (!ndev->npinfo) {
- spin_lock_irqsave(&npinfo->rx_lock, flags);
- list_for_each_entry_safe(npe, tmp, &npinfo->rx_np, rx) {
- npe->dev = NULL;
- }
- spin_unlock_irqrestore(&npinfo->rx_lock, flags);
-
- kfree(npinfo);
- }
put:
dev_put(ndev);
return err;
}
+EXPORT_SYMBOL(netpoll_setup);
static int __init netpoll_init(void)
{
@@ -870,49 +894,65 @@ static int __init netpoll_init(void)
}
core_initcall(netpoll_init);
-void netpoll_cleanup(struct netpoll *np)
+void __netpoll_cleanup(struct netpoll *np)
{
struct netpoll_info *npinfo;
unsigned long flags;
- if (np->dev) {
- npinfo = np->dev->npinfo;
- if (npinfo) {
- if (!list_empty(&npinfo->rx_np)) {
- spin_lock_irqsave(&npinfo->rx_lock, flags);
- list_del(&np->rx);
- if (list_empty(&npinfo->rx_np))
- npinfo->rx_flags &= ~NETPOLL_RX_ENABLED;
- spin_unlock_irqrestore(&npinfo->rx_lock, flags);
- }
+ npinfo = np->dev->npinfo;
+ if (!npinfo)
+ return;
- if (atomic_dec_and_test(&npinfo->refcnt)) {
- const struct net_device_ops *ops;
- skb_queue_purge(&npinfo->arp_tx);
- skb_queue_purge(&npinfo->txq);
- cancel_rearming_delayed_work(&npinfo->tx_work);
-
- /* clean after last, unfinished work */
- __skb_queue_purge(&npinfo->txq);
- kfree(npinfo);
- ops = np->dev->netdev_ops;
- if (ops->ndo_netpoll_cleanup)
- ops->ndo_netpoll_cleanup(np->dev);
- else
- np->dev->npinfo = NULL;
- }
- }
+ if (!list_empty(&npinfo->rx_np)) {
+ spin_lock_irqsave(&npinfo->rx_lock, flags);
+ list_del(&np->rx);
+ if (list_empty(&npinfo->rx_np))
+ npinfo->rx_flags &= ~NETPOLL_RX_ENABLED;
+ spin_unlock_irqrestore(&npinfo->rx_lock, flags);
+ }
+
+ if (atomic_dec_and_test(&npinfo->refcnt)) {
+ const struct net_device_ops *ops;
+
+ ops = np->dev->netdev_ops;
+ if (ops->ndo_netpoll_cleanup)
+ ops->ndo_netpoll_cleanup(np->dev);
+
+ rcu_assign_pointer(np->dev->npinfo, NULL);
+
+ /* avoid racing with NAPI reading npinfo */
+ synchronize_rcu_bh();
+
+ skb_queue_purge(&npinfo->arp_tx);
+ skb_queue_purge(&npinfo->txq);
+ cancel_rearming_delayed_work(&npinfo->tx_work);
- dev_put(np->dev);
+ /* clean after last, unfinished work */
+ __skb_queue_purge(&npinfo->txq);
+ kfree(npinfo);
}
+}
+EXPORT_SYMBOL_GPL(__netpoll_cleanup);
+
+void netpoll_cleanup(struct netpoll *np)
+{
+ if (!np->dev)
+ return;
+ rtnl_lock();
+ __netpoll_cleanup(np);
+ rtnl_unlock();
+
+ dev_put(np->dev);
np->dev = NULL;
}
+EXPORT_SYMBOL(netpoll_cleanup);
int netpoll_trap(void)
{
return atomic_read(&trapped);
}
+EXPORT_SYMBOL(netpoll_trap);
void netpoll_set_trap(int trap)
{
@@ -921,14 +961,4 @@ void netpoll_set_trap(int trap)
else
atomic_dec(&trapped);
}
-
-EXPORT_SYMBOL(netpoll_send_skb);
EXPORT_SYMBOL(netpoll_set_trap);
-EXPORT_SYMBOL(netpoll_trap);
-EXPORT_SYMBOL(netpoll_print_options);
-EXPORT_SYMBOL(netpoll_parse_options);
-EXPORT_SYMBOL(netpoll_setup);
-EXPORT_SYMBOL(netpoll_cleanup);
-EXPORT_SYMBOL(netpoll_send_udp);
-EXPORT_SYMBOL(netpoll_poll_dev);
-EXPORT_SYMBOL(netpoll_poll);
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 1dacd7ba8db..10a1ea72010 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -115,6 +115,9 @@
* command by Adit Ranadive <adit.262@gmail.com>
*
*/
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/sys.h>
#include <linux/types.h>
#include <linux/module.h>
@@ -169,11 +172,13 @@
#include <asm/dma.h>
#include <asm/div64.h> /* do_div */
-#define VERSION "2.73"
+#define VERSION "2.74"
#define IP_NAME_SZ 32
#define MAX_MPLS_LABELS 16 /* This is the max label stack depth */
#define MPLS_STACK_BOTTOM htonl(0x00000100)
+#define func_enter() pr_debug("entering %s\n", __func__);
+
/* Device flag bits */
#define F_IPSRC_RND (1<<0) /* IP-Src Random */
#define F_IPDST_RND (1<<1) /* IP-Dst Random */
@@ -424,7 +429,8 @@ static inline int ktime_lt(const ktime_t cmp1, const ktime_t cmp2)
}
static const char version[] =
- "pktgen " VERSION ": Packet Generator for packet performance testing.\n";
+ "Packet Generator for packet performance testing. "
+ "Version: " VERSION "\n";
static int pktgen_remove_device(struct pktgen_thread *t, struct pktgen_dev *i);
static int pktgen_add_device(struct pktgen_thread *t, const char *ifname);
@@ -495,7 +501,7 @@ static ssize_t pgctrl_write(struct file *file, const char __user *buf,
pktgen_reset_all_threads();
else
- printk(KERN_WARNING "pktgen: Unknown command: %s\n", data);
+ pr_warning("Unknown command: %s\n", data);
err = count;
@@ -840,7 +846,7 @@ static ssize_t pktgen_if_write(struct file *file,
const char __user * user_buffer, size_t count,
loff_t * offset)
{
- struct seq_file *seq = (struct seq_file *)file->private_data;
+ struct seq_file *seq = file->private_data;
struct pktgen_dev *pkt_dev = seq->private;
int i = 0, max, len;
char name[16], valstr[32];
@@ -852,14 +858,14 @@ static ssize_t pktgen_if_write(struct file *file,
pg_result = &(pkt_dev->result[0]);
if (count < 1) {
- printk(KERN_WARNING "pktgen: wrong command format\n");
+ pr_warning("wrong command format\n");
return -EINVAL;
}
max = count - i;
tmp = count_trail_chars(&user_buffer[i], max);
if (tmp < 0) {
- printk(KERN_WARNING "pktgen: illegal format\n");
+ pr_warning("illegal format\n");
return tmp;
}
i += tmp;
@@ -980,6 +986,36 @@ static ssize_t pktgen_if_write(struct file *file,
(unsigned long long) pkt_dev->delay);
return count;
}
+ if (!strcmp(name, "rate")) {
+ len = num_arg(&user_buffer[i], 10, &value);
+ if (len < 0)
+ return len;
+
+ i += len;
+ if (!value)
+ return len;
+ pkt_dev->delay = pkt_dev->min_pkt_size*8*NSEC_PER_USEC/value;
+ if (debug)
+ pr_info("Delay set at: %llu ns\n", pkt_dev->delay);
+
+ sprintf(pg_result, "OK: rate=%lu", value);
+ return count;
+ }
+ if (!strcmp(name, "ratep")) {
+ len = num_arg(&user_buffer[i], 10, &value);
+ if (len < 0)
+ return len;
+
+ i += len;
+ if (!value)
+ return len;
+ pkt_dev->delay = NSEC_PER_SEC/value;
+ if (debug)
+ pr_info("Delay set at: %llu ns\n", pkt_dev->delay);
+
+ sprintf(pg_result, "OK: rate=%lu", value);
+ return count;
+ }
if (!strcmp(name, "udp_src_min")) {
len = num_arg(&user_buffer[i], 10, &value);
if (len < 0)
@@ -1398,18 +1434,12 @@ static ssize_t pktgen_if_write(struct file *file,
i += len;
for (*m = 0; *v && m < pkt_dev->dst_mac + 6; v++) {
- if (*v >= '0' && *v <= '9') {
- *m *= 16;
- *m += *v - '0';
- }
- if (*v >= 'A' && *v <= 'F') {
- *m *= 16;
- *m += *v - 'A' + 10;
- }
- if (*v >= 'a' && *v <= 'f') {
- *m *= 16;
- *m += *v - 'a' + 10;
- }
+ int value;
+
+ value = hex_to_bin(*v);
+ if (value >= 0)
+ *m = *m * 16 + value;
+
if (*v == ':') {
m++;
*m = 0;
@@ -1440,18 +1470,12 @@ static ssize_t pktgen_if_write(struct file *file,
i += len;
for (*m = 0; *v && m < pkt_dev->src_mac + 6; v++) {
- if (*v >= '0' && *v <= '9') {
- *m *= 16;
- *m += *v - '0';
- }
- if (*v >= 'A' && *v <= 'F') {
- *m *= 16;
- *m += *v - 'A' + 10;
- }
- if (*v >= 'a' && *v <= 'f') {
- *m *= 16;
- *m += *v - 'a' + 10;
- }
+ int value;
+
+ value = hex_to_bin(*v);
+ if (value >= 0)
+ *m = *m * 16 + value;
+
if (*v == ':') {
m++;
*m = 0;
@@ -1740,7 +1764,7 @@ static ssize_t pktgen_thread_write(struct file *file,
const char __user * user_buffer,
size_t count, loff_t * offset)
{
- struct seq_file *seq = (struct seq_file *)file->private_data;
+ struct seq_file *seq = file->private_data;
struct pktgen_thread *t = seq->private;
int i = 0, max, len, ret;
char name[40];
@@ -1781,7 +1805,7 @@ static ssize_t pktgen_thread_write(struct file *file,
name, (unsigned long)count);
if (!t) {
- printk(KERN_ERR "pktgen: ERROR: No thread\n");
+ pr_err("ERROR: No thread\n");
ret = -EINVAL;
goto out;
}
@@ -1874,7 +1898,7 @@ static void pktgen_mark_device(const char *ifname)
int i = 0;
mutex_lock(&pktgen_thread_lock);
- pr_debug("pktgen: pktgen_mark_device marking %s for removal\n", ifname);
+ pr_debug("%s: marking %s for removal\n", __func__, ifname);
while (1) {
@@ -1883,15 +1907,14 @@ static void pktgen_mark_device(const char *ifname)
break; /* success */
mutex_unlock(&pktgen_thread_lock);
- pr_debug("pktgen: pktgen_mark_device waiting for %s "
- "to disappear....\n", ifname);
+ pr_debug("%s: waiting for %s to disappear....\n",
+ __func__, ifname);
schedule_timeout_interruptible(msecs_to_jiffies(msec_per_try));
mutex_lock(&pktgen_thread_lock);
if (++i >= max_tries) {
- printk(KERN_ERR "pktgen_mark_device: timed out after "
- "waiting %d msec for device %s to be removed\n",
- msec_per_try * i, ifname);
+ pr_err("%s: timed out after waiting %d msec for device %s to be removed\n",
+ __func__, msec_per_try * i, ifname);
break;
}
@@ -1918,8 +1941,8 @@ static void pktgen_change_name(struct net_device *dev)
&pktgen_if_fops,
pkt_dev);
if (!pkt_dev->entry)
- printk(KERN_ERR "pktgen: can't move proc "
- " entry for '%s'\n", dev->name);
+ pr_err("can't move proc entry for '%s'\n",
+ dev->name);
break;
}
}
@@ -1983,15 +2006,15 @@ static int pktgen_setup_dev(struct pktgen_dev *pkt_dev, const char *ifname)
odev = pktgen_dev_get_by_name(pkt_dev, ifname);
if (!odev) {
- printk(KERN_ERR "pktgen: no such netdevice: \"%s\"\n", ifname);
+ pr_err("no such netdevice: \"%s\"\n", ifname);
return -ENODEV;
}
if (odev->type != ARPHRD_ETHER) {
- printk(KERN_ERR "pktgen: not an ethernet device: \"%s\"\n", ifname);
+ pr_err("not an ethernet device: \"%s\"\n", ifname);
err = -EINVAL;
} else if (!netif_running(odev)) {
- printk(KERN_ERR "pktgen: device is down: \"%s\"\n", ifname);
+ pr_err("device is down: \"%s\"\n", ifname);
err = -ENETDOWN;
} else {
pkt_dev->odev = odev;
@@ -2010,8 +2033,7 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev)
int ntxq;
if (!pkt_dev->odev) {
- printk(KERN_ERR "pktgen: ERROR: pkt_dev->odev == NULL in "
- "setup_inject.\n");
+ pr_err("ERROR: pkt_dev->odev == NULL in setup_inject\n");
sprintf(pkt_dev->result,
"ERROR: pkt_dev->odev == NULL in setup_inject.\n");
return;
@@ -2021,19 +2043,15 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev)
ntxq = pkt_dev->odev->real_num_tx_queues;
if (ntxq <= pkt_dev->queue_map_min) {
- printk(KERN_WARNING "pktgen: WARNING: Requested "
- "queue_map_min (zero-based) (%d) exceeds valid range "
- "[0 - %d] for (%d) queues on %s, resetting\n",
- pkt_dev->queue_map_min, (ntxq ?: 1) - 1, ntxq,
- pkt_dev->odevname);
+ pr_warning("WARNING: Requested queue_map_min (zero-based) (%d) exceeds valid range [0 - %d] for (%d) queues on %s, resetting\n",
+ pkt_dev->queue_map_min, (ntxq ?: 1) - 1, ntxq,
+ pkt_dev->odevname);
pkt_dev->queue_map_min = ntxq - 1;
}
if (pkt_dev->queue_map_max >= ntxq) {
- printk(KERN_WARNING "pktgen: WARNING: Requested "
- "queue_map_max (zero-based) (%d) exceeds valid range "
- "[0 - %d] for (%d) queues on %s, resetting\n",
- pkt_dev->queue_map_max, (ntxq ?: 1) - 1, ntxq,
- pkt_dev->odevname);
+ pr_warning("WARNING: Requested queue_map_max (zero-based) (%d) exceeds valid range [0 - %d] for (%d) queues on %s, resetting\n",
+ pkt_dev->queue_map_max, (ntxq ?: 1) - 1, ntxq,
+ pkt_dev->odevname);
pkt_dev->queue_map_max = ntxq - 1;
}
@@ -2093,8 +2111,7 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev)
}
rcu_read_unlock();
if (err)
- printk(KERN_ERR "pktgen: ERROR: IPv6 link "
- "address not availble.\n");
+ pr_err("ERROR: IPv6 link address not available\n");
}
#endif
} else {
@@ -2142,15 +2159,15 @@ static void spin(struct pktgen_dev *pkt_dev, ktime_t spin_until)
hrtimer_init_on_stack(&t.timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
hrtimer_set_expires(&t.timer, spin_until);
- remaining = ktime_to_us(hrtimer_expires_remaining(&t.timer));
+ remaining = ktime_to_ns(hrtimer_expires_remaining(&t.timer));
if (remaining <= 0) {
pkt_dev->next_tx = ktime_add_ns(spin_until, pkt_dev->delay);
return;
}
start_time = ktime_now();
- if (remaining < 100)
- udelay(remaining); /* really small just spin */
+ if (remaining < 100000)
+ ndelay(remaining); /* really small just spin */
else {
/* see do_nanosleep */
hrtimer_init_sleeper(&t, current);
@@ -2528,8 +2545,8 @@ static int process_ipsec(struct pktgen_dev *pkt_dev,
if (nhead > 0) {
ret = pskb_expand_head(skb, nhead, 0, GFP_ATOMIC);
if (ret < 0) {
- printk(KERN_ERR "Error expanding "
- "ipsec packet %d\n", ret);
+ pr_err("Error expanding ipsec packet %d\n",
+ ret);
goto err;
}
}
@@ -2538,8 +2555,7 @@ static int process_ipsec(struct pktgen_dev *pkt_dev,
skb_pull(skb, ETH_HLEN);
ret = pktgen_output_ipsec(skb, pkt_dev);
if (ret) {
- printk(KERN_ERR "Error creating ipsec "
- "packet %d\n", ret);
+ pr_err("Error creating ipsec packet %d\n", ret);
goto err;
}
/* restore ll */
@@ -3015,8 +3031,7 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev,
if (datalen < sizeof(struct pktgen_hdr)) {
datalen = sizeof(struct pktgen_hdr);
if (net_ratelimit())
- printk(KERN_INFO "pktgen: increased datalen to %d\n",
- datalen);
+ pr_info("increased datalen to %d\n", datalen);
}
udph->source = htons(pkt_dev->cur_udp_src);
@@ -3143,7 +3158,7 @@ static void pktgen_run(struct pktgen_thread *t)
struct pktgen_dev *pkt_dev;
int started = 0;
- pr_debug("pktgen: entering pktgen_run. %p\n", t);
+ func_enter();
if_lock(t);
list_for_each_entry(pkt_dev, &t->if_list, list) {
@@ -3176,7 +3191,7 @@ static void pktgen_stop_all_threads_ifs(void)
{
struct pktgen_thread *t;
- pr_debug("pktgen: entering pktgen_stop_all_threads_ifs.\n");
+ func_enter();
mutex_lock(&pktgen_thread_lock);
@@ -3241,7 +3256,7 @@ static void pktgen_run_all_threads(void)
{
struct pktgen_thread *t;
- pr_debug("pktgen: entering pktgen_run_all_threads.\n");
+ func_enter();
mutex_lock(&pktgen_thread_lock);
@@ -3260,7 +3275,7 @@ static void pktgen_reset_all_threads(void)
{
struct pktgen_thread *t;
- pr_debug("pktgen: entering pktgen_reset_all_threads.\n");
+ func_enter();
mutex_lock(&pktgen_thread_lock);
@@ -3310,8 +3325,8 @@ static int pktgen_stop_device(struct pktgen_dev *pkt_dev)
int nr_frags = pkt_dev->skb ? skb_shinfo(pkt_dev->skb)->nr_frags : -1;
if (!pkt_dev->running) {
- printk(KERN_WARNING "pktgen: interface: %s is already "
- "stopped\n", pkt_dev->odevname);
+ pr_warning("interface: %s is already stopped\n",
+ pkt_dev->odevname);
return -EINVAL;
}
@@ -3347,7 +3362,7 @@ static void pktgen_stop(struct pktgen_thread *t)
{
struct pktgen_dev *pkt_dev;
- pr_debug("pktgen: entering pktgen_stop\n");
+ func_enter();
if_lock(t);
@@ -3367,7 +3382,7 @@ static void pktgen_rem_one_if(struct pktgen_thread *t)
struct list_head *q, *n;
struct pktgen_dev *cur;
- pr_debug("pktgen: entering pktgen_rem_one_if\n");
+ func_enter();
if_lock(t);
@@ -3393,9 +3408,10 @@ static void pktgen_rem_all_ifs(struct pktgen_thread *t)
struct list_head *q, *n;
struct pktgen_dev *cur;
+ func_enter();
+
/* Remove all devices, free mem */
- pr_debug("pktgen: entering pktgen_rem_all_ifs\n");
if_lock(t);
list_for_each_safe(q, n, &t->if_list) {
@@ -3477,8 +3493,7 @@ static void pktgen_xmit(struct pktgen_dev *pkt_dev)
pkt_dev->skb = fill_packet(odev, pkt_dev);
if (pkt_dev->skb == NULL) {
- printk(KERN_ERR "pktgen: ERROR: couldn't "
- "allocate skb in fill_packet.\n");
+ pr_err("ERROR: couldn't allocate skb in fill_packet\n");
schedule();
pkt_dev->clone_count--; /* back out increment, OOM */
return;
@@ -3558,8 +3573,7 @@ static int pktgen_thread_worker(void *arg)
init_waitqueue_head(&t->queue);
complete(&t->start_done);
- pr_debug("pktgen: starting pktgen/%d: pid=%d\n",
- cpu, task_pid_nr(current));
+ pr_debug("starting pktgen/%d: pid=%d\n", cpu, task_pid_nr(current));
set_current_state(TASK_INTERRUPTIBLE);
@@ -3612,13 +3626,13 @@ static int pktgen_thread_worker(void *arg)
set_current_state(TASK_INTERRUPTIBLE);
}
- pr_debug("pktgen: %s stopping all device\n", t->tsk->comm);
+ pr_debug("%s stopping all device\n", t->tsk->comm);
pktgen_stop(t);
- pr_debug("pktgen: %s removing all device\n", t->tsk->comm);
+ pr_debug("%s removing all device\n", t->tsk->comm);
pktgen_rem_all_ifs(t);
- pr_debug("pktgen: %s removing thread.\n", t->tsk->comm);
+ pr_debug("%s removing thread\n", t->tsk->comm);
pktgen_rem_thread(t);
return 0;
@@ -3642,7 +3656,7 @@ static struct pktgen_dev *pktgen_find_dev(struct pktgen_thread *t,
}
if_unlock(t);
- pr_debug("pktgen: find_dev(%s) returning %p\n", ifname, pkt_dev);
+ pr_debug("find_dev(%s) returning %p\n", ifname, pkt_dev);
return pkt_dev;
}
@@ -3658,8 +3672,7 @@ static int add_dev_to_thread(struct pktgen_thread *t,
if_lock(t);
if (pkt_dev->pg_thread) {
- printk(KERN_ERR "pktgen: ERROR: already assigned "
- "to a thread.\n");
+ pr_err("ERROR: already assigned to a thread\n");
rv = -EBUSY;
goto out;
}
@@ -3685,7 +3698,7 @@ static int pktgen_add_device(struct pktgen_thread *t, const char *ifname)
pkt_dev = __pktgen_NN_threads(ifname, FIND);
if (pkt_dev) {
- printk(KERN_ERR "pktgen: ERROR: interface already used.\n");
+ pr_err("ERROR: interface already used\n");
return -EBUSY;
}
@@ -3730,7 +3743,7 @@ static int pktgen_add_device(struct pktgen_thread *t, const char *ifname)
pkt_dev->entry = proc_create_data(ifname, 0600, pg_proc_dir,
&pktgen_if_fops, pkt_dev);
if (!pkt_dev->entry) {
- printk(KERN_ERR "pktgen: cannot create %s/%s procfs entry.\n",
+ pr_err("cannot create %s/%s procfs entry\n",
PG_PROC_DIR, ifname);
err = -EINVAL;
goto out2;
@@ -3761,8 +3774,7 @@ static int __init pktgen_create_thread(int cpu)
t = kzalloc_node(sizeof(struct pktgen_thread), GFP_KERNEL,
cpu_to_node(cpu));
if (!t) {
- printk(KERN_ERR "pktgen: ERROR: out of memory, can't "
- "create new thread.\n");
+ pr_err("ERROR: out of memory, can't create new thread\n");
return -ENOMEM;
}
@@ -3776,8 +3788,7 @@ static int __init pktgen_create_thread(int cpu)
p = kthread_create(pktgen_thread_worker, t, "kpktgend_%d", cpu);
if (IS_ERR(p)) {
- printk(KERN_ERR "pktgen: kernel_thread() failed "
- "for cpu %d\n", t->cpu);
+ pr_err("kernel_thread() failed for cpu %d\n", t->cpu);
list_del(&t->th_list);
kfree(t);
return PTR_ERR(p);
@@ -3788,7 +3799,7 @@ static int __init pktgen_create_thread(int cpu)
pe = proc_create_data(t->tsk->comm, 0600, pg_proc_dir,
&pktgen_thread_fops, t);
if (!pe) {
- printk(KERN_ERR "pktgen: cannot create %s/%s procfs entry.\n",
+ pr_err("cannot create %s/%s procfs entry\n",
PG_PROC_DIR, t->tsk->comm);
kthread_stop(p);
list_del(&t->th_list);
@@ -3822,11 +3833,10 @@ static int pktgen_remove_device(struct pktgen_thread *t,
struct pktgen_dev *pkt_dev)
{
- pr_debug("pktgen: remove_device pkt_dev=%p\n", pkt_dev);
+ pr_debug("remove_device pkt_dev=%p\n", pkt_dev);
if (pkt_dev->running) {
- printk(KERN_WARNING "pktgen: WARNING: trying to remove a "
- "running interface, stopping it now.\n");
+ pr_warning("WARNING: trying to remove a running interface, stopping it now\n");
pktgen_stop_device(pkt_dev);
}
@@ -3857,7 +3867,7 @@ static int __init pg_init(void)
int cpu;
struct proc_dir_entry *pe;
- printk(KERN_INFO "%s", version);
+ pr_info("%s", version);
pg_proc_dir = proc_mkdir(PG_PROC_DIR, init_net.proc_net);
if (!pg_proc_dir)
@@ -3865,8 +3875,7 @@ static int __init pg_init(void)
pe = proc_create(PGCTRL, 0600, pg_proc_dir, &pktgen_fops);
if (pe == NULL) {
- printk(KERN_ERR "pktgen: ERROR: cannot create %s "
- "procfs entry.\n", PGCTRL);
+ pr_err("ERROR: cannot create %s procfs entry\n", PGCTRL);
proc_net_remove(&init_net, PG_PROC_DIR);
return -EINVAL;
}
@@ -3879,13 +3888,12 @@ static int __init pg_init(void)
err = pktgen_create_thread(cpu);
if (err)
- printk(KERN_WARNING "pktgen: WARNING: Cannot create "
- "thread for cpu %d (%d)\n", cpu, err);
+ pr_warning("WARNING: Cannot create thread for cpu %d (%d)\n",
+ cpu, err);
}
if (list_empty(&pktgen_threads)) {
- printk(KERN_ERR "pktgen: ERROR: Initialization failed for "
- "all threads\n");
+ pr_err("ERROR: Initialization failed for all threads\n");
unregister_netdevice_notifier(&pktgen_notifier_block);
remove_proc_entry(PGCTRL, pg_proc_dir);
proc_net_remove(&init_net, PG_PROC_DIR);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 1a2af24e9e3..f78d821bd93 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -579,7 +579,7 @@ static unsigned int rtnl_dev_combine_flags(const struct net_device *dev,
}
static void copy_rtnl_link_stats(struct rtnl_link_stats *a,
- const struct net_device_stats *b)
+ const struct rtnl_link_stats64 *b)
{
a->rx_packets = b->rx_packets;
a->tx_packets = b->tx_packets;
@@ -610,7 +610,7 @@ static void copy_rtnl_link_stats(struct rtnl_link_stats *a,
a->tx_compressed = b->tx_compressed;
}
-static void copy_rtnl_link_stats64(void *v, const struct net_device_stats *b)
+static void copy_rtnl_link_stats64(void *v, const struct rtnl_link_stats64 *b)
{
struct rtnl_link_stats64 a;
@@ -686,7 +686,7 @@ static size_t rtnl_port_size(const struct net_device *dev)
return port_self_size;
}
-static inline size_t if_nlmsg_size(const struct net_device *dev)
+static noinline size_t if_nlmsg_size(const struct net_device *dev)
{
return NLMSG_ALIGN(sizeof(struct ifinfomsg))
+ nla_total_size(IFNAMSIZ) /* IFLA_IFNAME */
@@ -791,7 +791,8 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
{
struct ifinfomsg *ifm;
struct nlmsghdr *nlh;
- const struct net_device_stats *stats;
+ struct rtnl_link_stats64 temp;
+ const struct rtnl_link_stats64 *stats;
struct nlattr *attr;
nlh = nlmsg_put(skb, pid, seq, type, sizeof(*ifm), flags);
@@ -847,7 +848,7 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
if (attr == NULL)
goto nla_put_failure;
- stats = dev_get_stats(dev);
+ stats = dev_get_stats(dev, &temp);
copy_rtnl_link_stats(nla_data(attr), stats);
attr = nla_reserve(skb, IFLA_STATS64,
diff --git a/net/core/scm.c b/net/core/scm.c
index b88f6f9d0b9..413cab89017 100644
--- a/net/core/scm.c
+++ b/net/core/scm.c
@@ -130,6 +130,7 @@ void __scm_destroy(struct scm_cookie *scm)
}
}
}
+EXPORT_SYMBOL(__scm_destroy);
int __scm_send(struct socket *sock, struct msghdr *msg, struct scm_cookie *p)
{
@@ -170,6 +171,30 @@ int __scm_send(struct socket *sock, struct msghdr *msg, struct scm_cookie *p)
err = scm_check_creds(&p->creds);
if (err)
goto error;
+
+ if (pid_vnr(p->pid) != p->creds.pid) {
+ struct pid *pid;
+ err = -ESRCH;
+ pid = find_get_pid(p->creds.pid);
+ if (!pid)
+ goto error;
+ put_pid(p->pid);
+ p->pid = pid;
+ }
+
+ if ((p->cred->euid != p->creds.uid) ||
+ (p->cred->egid != p->creds.gid)) {
+ struct cred *cred;
+ err = -ENOMEM;
+ cred = prepare_creds();
+ if (!cred)
+ goto error;
+
+ cred->uid = cred->euid = p->creds.uid;
+ cred->gid = cred->egid = p->creds.uid;
+ put_cred(p->cred);
+ p->cred = cred;
+ }
break;
default:
goto error;
@@ -187,6 +212,7 @@ error:
scm_destroy(p);
return err;
}
+EXPORT_SYMBOL(__scm_send);
int put_cmsg(struct msghdr * msg, int level, int type, int len, void *data)
{
@@ -225,6 +251,7 @@ int put_cmsg(struct msghdr * msg, int level, int type, int len, void *data)
out:
return err;
}
+EXPORT_SYMBOL(put_cmsg);
void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm)
{
@@ -294,6 +321,7 @@ void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm)
*/
__scm_destroy(scm);
}
+EXPORT_SYMBOL(scm_detach_fds);
struct scm_fp_list *scm_fp_dup(struct scm_fp_list *fpl)
{
@@ -311,9 +339,4 @@ struct scm_fp_list *scm_fp_dup(struct scm_fp_list *fpl)
}
return new_fpl;
}
-
-EXPORT_SYMBOL(__scm_destroy);
-EXPORT_SYMBOL(__scm_send);
-EXPORT_SYMBOL(put_cmsg);
-EXPORT_SYMBOL(scm_detach_fds);
EXPORT_SYMBOL(scm_fp_dup);
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index ce88293a34e..3a2513f0d0c 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -817,7 +817,7 @@ int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail,
memcpy(data + nhead, skb->head, skb->tail - skb->head);
#endif
memcpy(data + size, skb_end_pointer(skb),
- sizeof(struct skb_shared_info));
+ offsetof(struct skb_shared_info, frags[skb_shinfo(skb)->nr_frags]));
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++)
get_page(skb_shinfo(skb)->frags[i].page);
@@ -2486,7 +2486,6 @@ unsigned char *skb_pull_rcsum(struct sk_buff *skb, unsigned int len)
skb_postpull_rcsum(skb, skb->data, len);
return skb->data += len;
}
-
EXPORT_SYMBOL_GPL(skb_pull_rcsum);
/**
diff --git a/net/core/sock.c b/net/core/sock.c
index 2cf7f9f7e77..b05b9b6ddb8 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -110,6 +110,7 @@
#include <linux/tcp.h>
#include <linux/init.h>
#include <linux/highmem.h>
+#include <linux/user_namespace.h>
#include <asm/uaccess.h>
#include <asm/system.h>
@@ -156,7 +157,7 @@ static const char *const af_family_key_strings[AF_MAX+1] = {
"sk_lock-27" , "sk_lock-28" , "sk_lock-AF_CAN" ,
"sk_lock-AF_TIPC" , "sk_lock-AF_BLUETOOTH", "sk_lock-IUCV" ,
"sk_lock-AF_RXRPC" , "sk_lock-AF_ISDN" , "sk_lock-AF_PHONET" ,
- "sk_lock-AF_IEEE802154",
+ "sk_lock-AF_IEEE802154", "sk_lock-AF_CAIF" ,
"sk_lock-AF_MAX"
};
static const char *const af_family_slock_key_strings[AF_MAX+1] = {
@@ -172,7 +173,7 @@ static const char *const af_family_slock_key_strings[AF_MAX+1] = {
"slock-27" , "slock-28" , "slock-AF_CAN" ,
"slock-AF_TIPC" , "slock-AF_BLUETOOTH", "slock-AF_IUCV" ,
"slock-AF_RXRPC" , "slock-AF_ISDN" , "slock-AF_PHONET" ,
- "slock-AF_IEEE802154",
+ "slock-AF_IEEE802154", "slock-AF_CAIF" ,
"slock-AF_MAX"
};
static const char *const af_family_clock_key_strings[AF_MAX+1] = {
@@ -188,7 +189,7 @@ static const char *const af_family_clock_key_strings[AF_MAX+1] = {
"clock-27" , "clock-28" , "clock-AF_CAN" ,
"clock-AF_TIPC" , "clock-AF_BLUETOOTH", "clock-AF_IUCV" ,
"clock-AF_RXRPC" , "clock-AF_ISDN" , "clock-AF_PHONET" ,
- "clock-AF_IEEE802154",
+ "clock-AF_IEEE802154", "clock-AF_CAIF" ,
"clock-AF_MAX"
};
@@ -749,6 +750,20 @@ set_rcvbuf:
EXPORT_SYMBOL(sock_setsockopt);
+void cred_to_ucred(struct pid *pid, const struct cred *cred,
+ struct ucred *ucred)
+{
+ ucred->pid = pid_vnr(pid);
+ ucred->uid = ucred->gid = -1;
+ if (cred) {
+ struct user_namespace *current_ns = current_user_ns();
+
+ ucred->uid = user_ns_map_uid(current_ns, cred, cred->euid);
+ ucred->gid = user_ns_map_gid(current_ns, cred, cred->egid);
+ }
+}
+EXPORT_SYMBOL_GPL(cred_to_ucred);
+
int sock_getsockopt(struct socket *sock, int level, int optname,
char __user *optval, int __user *optlen)
{
@@ -901,11 +916,15 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
break;
case SO_PEERCRED:
- if (len > sizeof(sk->sk_peercred))
- len = sizeof(sk->sk_peercred);
- if (copy_to_user(optval, &sk->sk_peercred, len))
+ {
+ struct ucred peercred;
+ if (len > sizeof(peercred))
+ len = sizeof(peercred);
+ cred_to_ucred(sk->sk_peer_pid, sk->sk_peer_cred, &peercred);
+ if (copy_to_user(optval, &peercred, len))
return -EFAULT;
goto lenout;
+ }
case SO_PEERNAME:
{
@@ -1119,6 +1138,9 @@ static void __sk_free(struct sock *sk)
printk(KERN_DEBUG "%s: optmem leakage (%d bytes) detected.\n",
__func__, atomic_read(&sk->sk_omem_alloc));
+ if (sk->sk_peer_cred)
+ put_cred(sk->sk_peer_cred);
+ put_pid(sk->sk_peer_pid);
put_net(sock_net(sk));
sk_prot_free(sk->sk_prot_creator, sk);
}
@@ -1317,9 +1339,10 @@ EXPORT_SYMBOL(sock_wfree);
void sock_rfree(struct sk_buff *skb)
{
struct sock *sk = skb->sk;
+ unsigned int len = skb->truesize;
- atomic_sub(skb->truesize, &sk->sk_rmem_alloc);
- sk_mem_uncharge(skb->sk, skb->truesize);
+ atomic_sub(len, &sk->sk_rmem_alloc);
+ sk_mem_uncharge(sk, len);
}
EXPORT_SYMBOL(sock_rfree);
@@ -1954,9 +1977,8 @@ void sock_init_data(struct socket *sock, struct sock *sk)
sk->sk_sndmsg_page = NULL;
sk->sk_sndmsg_off = 0;
- sk->sk_peercred.pid = 0;
- sk->sk_peercred.uid = -1;
- sk->sk_peercred.gid = -1;
+ sk->sk_peer_pid = NULL;
+ sk->sk_peer_cred = NULL;
sk->sk_write_pending = 0;
sk->sk_rcvlowat = 1;
sk->sk_rcvtimeo = MAX_SCHEDULE_TIMEOUT;
@@ -2210,8 +2232,7 @@ static DECLARE_BITMAP(proto_inuse_idx, PROTO_INUSE_NR);
#ifdef CONFIG_NET_NS
void sock_prot_inuse_add(struct net *net, struct proto *prot, int val)
{
- int cpu = smp_processor_id();
- per_cpu_ptr(net->core.inuse, cpu)->val[prot->inuse_idx] += val;
+ __this_cpu_add(net->core.inuse->val[prot->inuse_idx], val);
}
EXPORT_SYMBOL_GPL(sock_prot_inuse_add);
@@ -2257,7 +2278,7 @@ static DEFINE_PER_CPU(struct prot_inuse, prot_inuse);
void sock_prot_inuse_add(struct net *net, struct proto *prot, int val)
{
- __get_cpu_var(prot_inuse).val[prot->inuse_idx] += val;
+ __this_cpu_add(prot_inuse.val[prot->inuse_idx], val);
}
EXPORT_SYMBOL_GPL(sock_prot_inuse_add);
diff --git a/net/core/stream.c b/net/core/stream.c
index cc196f42b8d..d959e0f4152 100644
--- a/net/core/stream.c
+++ b/net/core/stream.c
@@ -43,7 +43,6 @@ void sk_stream_write_space(struct sock *sk)
rcu_read_unlock();
}
}
-
EXPORT_SYMBOL(sk_stream_write_space);
/**
@@ -81,7 +80,6 @@ int sk_stream_wait_connect(struct sock *sk, long *timeo_p)
} while (!done);
return 0;
}
-
EXPORT_SYMBOL(sk_stream_wait_connect);
/**
@@ -109,7 +107,6 @@ void sk_stream_wait_close(struct sock *sk, long timeout)
finish_wait(sk_sleep(sk), &wait);
}
}
-
EXPORT_SYMBOL(sk_stream_wait_close);
/**
@@ -174,7 +171,6 @@ do_interrupted:
err = sock_intr_errno(*timeo_p);
goto out;
}
-
EXPORT_SYMBOL(sk_stream_wait_memory);
int sk_stream_error(struct sock *sk, int flags, int err)
@@ -185,7 +181,6 @@ int sk_stream_error(struct sock *sk, int flags, int err)
send_sig(SIGPIPE, current, 0);
return err;
}
-
EXPORT_SYMBOL(sk_stream_error);
void sk_stream_kill_queues(struct sock *sk)
@@ -210,5 +205,4 @@ void sk_stream_kill_queues(struct sock *sk)
* have gone away, only the net layer knows can touch it.
*/
}
-
EXPORT_SYMBOL(sk_stream_kill_queues);
diff --git a/net/core/timestamping.c b/net/core/timestamping.c
new file mode 100644
index 00000000000..0ae6c22da85
--- /dev/null
+++ b/net/core/timestamping.c
@@ -0,0 +1,126 @@
+/*
+ * PTP 1588 clock support - support for timestamping in PHY devices
+ *
+ * Copyright (C) 2010 OMICRON electronics GmbH
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <linux/errqueue.h>
+#include <linux/phy.h>
+#include <linux/ptp_classify.h>
+#include <linux/skbuff.h>
+
+static struct sock_filter ptp_filter[] = {
+ PTP_FILTER
+};
+
+static unsigned int classify(struct sk_buff *skb)
+{
+ if (likely(skb->dev &&
+ skb->dev->phydev &&
+ skb->dev->phydev->drv))
+ return sk_run_filter(skb, ptp_filter, ARRAY_SIZE(ptp_filter));
+ else
+ return PTP_CLASS_NONE;
+}
+
+void skb_clone_tx_timestamp(struct sk_buff *skb)
+{
+ struct phy_device *phydev;
+ struct sk_buff *clone;
+ struct sock *sk = skb->sk;
+ unsigned int type;
+
+ if (!sk)
+ return;
+
+ type = classify(skb);
+
+ switch (type) {
+ case PTP_CLASS_V1_IPV4:
+ case PTP_CLASS_V1_IPV6:
+ case PTP_CLASS_V2_IPV4:
+ case PTP_CLASS_V2_IPV6:
+ case PTP_CLASS_V2_L2:
+ case PTP_CLASS_V2_VLAN:
+ phydev = skb->dev->phydev;
+ if (likely(phydev->drv->txtstamp)) {
+ clone = skb_clone(skb, GFP_ATOMIC);
+ if (!clone)
+ return;
+ clone->sk = sk;
+ phydev->drv->txtstamp(phydev, clone, type);
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+void skb_complete_tx_timestamp(struct sk_buff *skb,
+ struct skb_shared_hwtstamps *hwtstamps)
+{
+ struct sock *sk = skb->sk;
+ struct sock_exterr_skb *serr;
+ int err;
+
+ if (!hwtstamps)
+ return;
+
+ *skb_hwtstamps(skb) = *hwtstamps;
+ serr = SKB_EXT_ERR(skb);
+ memset(serr, 0, sizeof(*serr));
+ serr->ee.ee_errno = ENOMSG;
+ serr->ee.ee_origin = SO_EE_ORIGIN_TIMESTAMPING;
+ skb->sk = NULL;
+ err = sock_queue_err_skb(sk, skb);
+ if (err)
+ kfree_skb(skb);
+}
+EXPORT_SYMBOL_GPL(skb_complete_tx_timestamp);
+
+bool skb_defer_rx_timestamp(struct sk_buff *skb)
+{
+ struct phy_device *phydev;
+ unsigned int type;
+
+ skb_push(skb, ETH_HLEN);
+
+ type = classify(skb);
+
+ skb_pull(skb, ETH_HLEN);
+
+ switch (type) {
+ case PTP_CLASS_V1_IPV4:
+ case PTP_CLASS_V1_IPV6:
+ case PTP_CLASS_V2_IPV4:
+ case PTP_CLASS_V2_IPV6:
+ case PTP_CLASS_V2_L2:
+ case PTP_CLASS_V2_VLAN:
+ phydev = skb->dev->phydev;
+ if (likely(phydev->drv->rxtstamp))
+ return phydev->drv->rxtstamp(phydev, skb, type);
+ break;
+ default:
+ break;
+ }
+
+ return false;
+}
+
+void __init skb_timestamping_init(void)
+{
+ BUG_ON(sk_chk_filter(ptp_filter, ARRAY_SIZE(ptp_filter)));
+}
diff --git a/net/core/utils.c b/net/core/utils.c
index 838250241d2..f4185447053 100644
--- a/net/core/utils.c
+++ b/net/core/utils.c
@@ -77,7 +77,6 @@ __be32 in_aton(const char *str)
}
return(htonl(l));
}
-
EXPORT_SYMBOL(in_aton);
#define IN6PTON_XDIGIT 0x00010000
@@ -162,7 +161,6 @@ out:
*end = s;
return ret;
}
-
EXPORT_SYMBOL(in4_pton);
int in6_pton(const char *src, int srclen,
@@ -280,7 +278,6 @@ out:
*end = s;
return ret;
}
-
EXPORT_SYMBOL(in6_pton);
void inet_proto_csum_replace4(__sum16 *sum, struct sk_buff *skb,
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-24 01:18:22 +0000