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-rw-r--r--net/core/datagram.c36
-rw-r--r--net/core/dev.c14
-rw-r--r--net/core/dev_mcast.c2
-rw-r--r--net/core/dv.c3
-rw-r--r--net/core/ethtool.c1
-rw-r--r--net/core/filter.c139
-rw-r--r--net/core/flow.c8
-rw-r--r--net/core/net-sysfs.c105
-rw-r--r--net/core/netpoll.c3
-rw-r--r--net/core/pktgen.c52
-rw-r--r--net/core/scm.c1
-rw-r--r--net/core/skbuff.c42
-rw-r--r--net/core/sock.c22
-rw-r--r--net/core/stream.c10
-rw-r--r--net/core/utils.c4
-rw-r--r--net/core/wireless.c3
16 files changed, 252 insertions, 193 deletions
diff --git a/net/core/datagram.c b/net/core/datagram.c
index 1bcfef51ac5..f8d322e1ea9 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -47,6 +47,7 @@
#include <linux/rtnetlink.h>
#include <linux/poll.h>
#include <linux/highmem.h>
+#include <linux/spinlock.h>
#include <net/protocol.h>
#include <linux/skbuff.h>
@@ -200,6 +201,41 @@ void skb_free_datagram(struct sock *sk, struct sk_buff *skb)
}
/**
+ * skb_kill_datagram - Free a datagram skbuff forcibly
+ * @sk: socket
+ * @skb: datagram skbuff
+ * @flags: MSG_ flags
+ *
+ * This function frees a datagram skbuff that was received by
+ * skb_recv_datagram. The flags argument must match the one
+ * used for skb_recv_datagram.
+ *
+ * If the MSG_PEEK flag is set, and the packet is still on the
+ * receive queue of the socket, it will be taken off the queue
+ * before it is freed.
+ *
+ * This function currently only disables BH when acquiring the
+ * sk_receive_queue lock. Therefore it must not be used in a
+ * context where that lock is acquired in an IRQ context.
+ */
+
+void skb_kill_datagram(struct sock *sk, struct sk_buff *skb, unsigned int flags)
+{
+ if (flags & MSG_PEEK) {
+ spin_lock_bh(&sk->sk_receive_queue.lock);
+ if (skb == skb_peek(&sk->sk_receive_queue)) {
+ __skb_unlink(skb, &sk->sk_receive_queue);
+ atomic_dec(&skb->users);
+ }
+ spin_unlock_bh(&sk->sk_receive_queue.lock);
+ }
+
+ kfree_skb(skb);
+}
+
+EXPORT_SYMBOL(skb_kill_datagram);
+
+/**
* skb_copy_datagram_iovec - Copy a datagram to an iovec.
* @skb: buffer to copy
* @offset: offset in the buffer to start copying from
diff --git a/net/core/dev.c b/net/core/dev.c
index a5efc9ae010..fd070a098f2 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -75,6 +75,7 @@
#include <asm/uaccess.h>
#include <asm/system.h>
#include <linux/bitops.h>
+#include <linux/capability.h>
#include <linux/config.h>
#include <linux/cpu.h>
#include <linux/types.h>
@@ -626,7 +627,7 @@ struct net_device * dev_get_by_flags(unsigned short if_flags, unsigned short mas
* Network device names need to be valid file names to
* to allow sysfs to work
*/
-static int dev_valid_name(const char *name)
+int dev_valid_name(const char *name)
{
return !(*name == '\0'
|| !strcmp(name, ".")
@@ -1092,15 +1093,12 @@ int skb_checksum_help(struct sk_buff *skb, int inward)
goto out;
}
- if (offset > (int)skb->len)
- BUG();
+ BUG_ON(offset > (int)skb->len);
csum = skb_checksum(skb, offset, skb->len-offset, 0);
offset = skb->tail - skb->h.raw;
- if (offset <= 0)
- BUG();
- if (skb->csum + 2 > offset)
- BUG();
+ BUG_ON(offset <= 0);
+ BUG_ON(skb->csum + 2 > offset);
*(u16*)(skb->h.raw + skb->csum) = csum_fold(csum);
skb->ip_summed = CHECKSUM_NONE;
@@ -3270,13 +3268,13 @@ EXPORT_SYMBOL(__dev_get_by_index);
EXPORT_SYMBOL(__dev_get_by_name);
EXPORT_SYMBOL(__dev_remove_pack);
EXPORT_SYMBOL(__skb_linearize);
+EXPORT_SYMBOL(dev_valid_name);
EXPORT_SYMBOL(dev_add_pack);
EXPORT_SYMBOL(dev_alloc_name);
EXPORT_SYMBOL(dev_close);
EXPORT_SYMBOL(dev_get_by_flags);
EXPORT_SYMBOL(dev_get_by_index);
EXPORT_SYMBOL(dev_get_by_name);
-EXPORT_SYMBOL(dev_ioctl);
EXPORT_SYMBOL(dev_open);
EXPORT_SYMBOL(dev_queue_xmit);
EXPORT_SYMBOL(dev_remove_pack);
diff --git a/net/core/dev_mcast.c b/net/core/dev_mcast.c
index cb530eef0e3..05d60850840 100644
--- a/net/core/dev_mcast.c
+++ b/net/core/dev_mcast.c
@@ -158,7 +158,7 @@ int dev_mc_add(struct net_device *dev, void *addr, int alen, int glbl)
int err = 0;
struct dev_mc_list *dmi, *dmi1;
- dmi1 = (struct dev_mc_list *)kmalloc(sizeof(*dmi), GFP_ATOMIC);
+ dmi1 = kmalloc(sizeof(*dmi), GFP_ATOMIC);
spin_lock_bh(&dev->xmit_lock);
for (dmi = dev->mc_list; dmi != NULL; dmi = dmi->next) {
diff --git a/net/core/dv.c b/net/core/dv.c
index 3f25f4aa4e6..cf581407538 100644
--- a/net/core/dv.c
+++ b/net/core/dv.c
@@ -24,6 +24,7 @@
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
+#include <linux/capability.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <net/dst.h>
@@ -457,7 +458,7 @@ void divert_frame(struct sk_buff *skb)
unsigned char *skb_data_end = skb->data + skb->len;
/* Packet is already aimed at us, return */
- if (!memcmp(eth, skb->dev->dev_addr, ETH_ALEN))
+ if (!compare_ether_addr(eth->h_dest, skb->dev->dev_addr))
return;
/* proto is not IP, do nothing */
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 0350586e919..e6f76106a99 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -11,6 +11,7 @@
#include <linux/module.h>
#include <linux/types.h>
+#include <linux/capability.h>
#include <linux/errno.h>
#include <linux/ethtool.h>
#include <linux/netdevice.h>
diff --git a/net/core/filter.c b/net/core/filter.c
index 3a10e0bc90e..9540946a48f 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -13,6 +13,7 @@
* 2 of the License, or (at your option) any later version.
*
* Andi Kleen - Fix a few bad bugs and races.
+ * Kris Katterjohn - Added many additional checks in sk_chk_filter()
*/
#include <linux/module.h>
@@ -73,8 +74,7 @@ static inline void *load_pointer(struct sk_buff *skb, int k,
* filtering, filter is the array of filter instructions, and
* len is the number of filter blocks in the array.
*/
-
-int sk_run_filter(struct sk_buff *skb, struct sock_filter *filter, int flen)
+unsigned int sk_run_filter(struct sk_buff *skb, struct sock_filter *filter, int flen)
{
struct sock_filter *fentry; /* We walk down these */
void *ptr;
@@ -174,7 +174,7 @@ int sk_run_filter(struct sk_buff *skb, struct sock_filter *filter, int flen)
continue;
case BPF_LD|BPF_W|BPF_ABS:
k = fentry->k;
- load_w:
+load_w:
ptr = load_pointer(skb, k, 4, &tmp);
if (ptr != NULL) {
A = ntohl(*(u32 *)ptr);
@@ -183,7 +183,7 @@ int sk_run_filter(struct sk_buff *skb, struct sock_filter *filter, int flen)
break;
case BPF_LD|BPF_H|BPF_ABS:
k = fentry->k;
- load_h:
+load_h:
ptr = load_pointer(skb, k, 2, &tmp);
if (ptr != NULL) {
A = ntohs(*(u16 *)ptr);
@@ -240,9 +240,9 @@ load_b:
A = X;
continue;
case BPF_RET|BPF_K:
- return ((unsigned int)fentry->k);
+ return fentry->k;
case BPF_RET|BPF_A:
- return ((unsigned int)A);
+ return A;
case BPF_ST:
mem[fentry->k] = A;
continue;
@@ -250,7 +250,7 @@ load_b:
mem[fentry->k] = X;
continue;
default:
- /* Invalid instruction counts as RET */
+ WARN_ON(1);
return 0;
}
@@ -283,10 +283,12 @@ load_b:
*
* Check the user's filter code. If we let some ugly
* filter code slip through kaboom! The filter must contain
- * no references or jumps that are out of range, no illegal instructions
- * and no backward jumps. It must end with a RET instruction
+ * no references or jumps that are out of range, no illegal
+ * instructions, and must end with a RET instruction.
*
- * Returns 0 if the rule set is legal or a negative errno code if not.
+ * All jumps are forward as they are not signed.
+ *
+ * Returns 0 if the rule set is legal or -EINVAL if not.
*/
int sk_chk_filter(struct sock_filter *filter, int flen)
{
@@ -298,49 +300,90 @@ int sk_chk_filter(struct sock_filter *filter, int flen)
/* check the filter code now */
for (pc = 0; pc < flen; pc++) {
- /* all jumps are forward as they are not signed */
ftest = &filter[pc];
- if (BPF_CLASS(ftest->code) == BPF_JMP) {
- /* but they mustn't jump off the end */
- if (BPF_OP(ftest->code) == BPF_JA) {
- /*
- * Note, the large ftest->k might cause loops.
- * Compare this with conditional jumps below,
- * where offsets are limited. --ANK (981016)
- */
- if (ftest->k >= (unsigned)(flen-pc-1))
- return -EINVAL;
- } else {
- /* for conditionals both must be safe */
- if (pc + ftest->jt +1 >= flen ||
- pc + ftest->jf +1 >= flen)
- return -EINVAL;
- }
- }
- /* check for division by zero -Kris Katterjohn 2005-10-30 */
- if (ftest->code == (BPF_ALU|BPF_DIV|BPF_K) && ftest->k == 0)
- return -EINVAL;
+ /* Only allow valid instructions */
+ switch (ftest->code) {
+ case BPF_ALU|BPF_ADD|BPF_K:
+ case BPF_ALU|BPF_ADD|BPF_X:
+ case BPF_ALU|BPF_SUB|BPF_K:
+ case BPF_ALU|BPF_SUB|BPF_X:
+ case BPF_ALU|BPF_MUL|BPF_K:
+ case BPF_ALU|BPF_MUL|BPF_X:
+ case BPF_ALU|BPF_DIV|BPF_X:
+ case BPF_ALU|BPF_AND|BPF_K:
+ case BPF_ALU|BPF_AND|BPF_X:
+ case BPF_ALU|BPF_OR|BPF_K:
+ case BPF_ALU|BPF_OR|BPF_X:
+ case BPF_ALU|BPF_LSH|BPF_K:
+ case BPF_ALU|BPF_LSH|BPF_X:
+ case BPF_ALU|BPF_RSH|BPF_K:
+ case BPF_ALU|BPF_RSH|BPF_X:
+ case BPF_ALU|BPF_NEG:
+ case BPF_LD|BPF_W|BPF_ABS:
+ case BPF_LD|BPF_H|BPF_ABS:
+ case BPF_LD|BPF_B|BPF_ABS:
+ case BPF_LD|BPF_W|BPF_LEN:
+ case BPF_LD|BPF_W|BPF_IND:
+ case BPF_LD|BPF_H|BPF_IND:
+ case BPF_LD|BPF_B|BPF_IND:
+ case BPF_LD|BPF_IMM:
+ case BPF_LDX|BPF_W|BPF_LEN:
+ case BPF_LDX|BPF_B|BPF_MSH:
+ case BPF_LDX|BPF_IMM:
+ case BPF_MISC|BPF_TAX:
+ case BPF_MISC|BPF_TXA:
+ case BPF_RET|BPF_K:
+ case BPF_RET|BPF_A:
+ break;
+
+ /* Some instructions need special checks */
- /* check that memory operations use valid addresses. */
- if (ftest->k >= BPF_MEMWORDS) {
- /* but it might not be a memory operation... */
- switch (ftest->code) {
- case BPF_ST:
- case BPF_STX:
- case BPF_LD|BPF_MEM:
- case BPF_LDX|BPF_MEM:
+ case BPF_ALU|BPF_DIV|BPF_K:
+ /* check for division by zero */
+ if (ftest->k == 0)
return -EINVAL;
- }
+ break;
+
+ case BPF_LD|BPF_MEM:
+ case BPF_LDX|BPF_MEM:
+ case BPF_ST:
+ case BPF_STX:
+ /* check for invalid memory addresses */
+ if (ftest->k >= BPF_MEMWORDS)
+ return -EINVAL;
+ break;
+
+ case BPF_JMP|BPF_JA:
+ /*
+ * Note, the large ftest->k might cause loops.
+ * Compare this with conditional jumps below,
+ * where offsets are limited. --ANK (981016)
+ */
+ if (ftest->k >= (unsigned)(flen-pc-1))
+ return -EINVAL;
+ break;
+
+ case BPF_JMP|BPF_JEQ|BPF_K:
+ case BPF_JMP|BPF_JEQ|BPF_X:
+ case BPF_JMP|BPF_JGE|BPF_K:
+ case BPF_JMP|BPF_JGE|BPF_X:
+ case BPF_JMP|BPF_JGT|BPF_K:
+ case BPF_JMP|BPF_JGT|BPF_X:
+ case BPF_JMP|BPF_JSET|BPF_K:
+ case BPF_JMP|BPF_JSET|BPF_X:
+ /* for conditionals both must be safe */
+ if (pc + ftest->jt + 1 >= flen ||
+ pc + ftest->jf + 1 >= flen)
+ return -EINVAL;
+ break;
+
+ default:
+ return -EINVAL;
}
}
- /*
- * The program must end with a return. We don't care where they
- * jumped within the script (its always forwards) but in the end
- * they _will_ hit this.
- */
- return (BPF_CLASS(filter[flen - 1].code) == BPF_RET) ? 0 : -EINVAL;
+ return (BPF_CLASS(filter[flen - 1].code) == BPF_RET) ? 0 : -EINVAL;
}
/**
@@ -360,8 +403,8 @@ int sk_attach_filter(struct sock_fprog *fprog, struct sock *sk)
int err;
/* Make sure new filter is there and in the right amounts. */
- if (fprog->filter == NULL)
- return -EINVAL;
+ if (fprog->filter == NULL)
+ return -EINVAL;
fp = sock_kmalloc(sk, fsize+sizeof(*fp), GFP_KERNEL);
if (!fp)
diff --git a/net/core/flow.c b/net/core/flow.c
index 7e95b39de9f..c4f25385029 100644
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -23,6 +23,7 @@
#include <net/flow.h>
#include <asm/atomic.h>
#include <asm/semaphore.h>
+#include <linux/security.h>
struct flow_cache_entry {
struct flow_cache_entry *next;
@@ -30,6 +31,7 @@ struct flow_cache_entry {
u8 dir;
struct flowi key;
u32 genid;
+ u32 sk_sid;
void *object;
atomic_t *object_ref;
};
@@ -162,7 +164,7 @@ static int flow_key_compare(struct flowi *key1, struct flowi *key2)
return 0;
}
-void *flow_cache_lookup(struct flowi *key, u16 family, u8 dir,
+void *flow_cache_lookup(struct flowi *key, u32 sk_sid, u16 family, u8 dir,
flow_resolve_t resolver)
{
struct flow_cache_entry *fle, **head;
@@ -186,6 +188,7 @@ void *flow_cache_lookup(struct flowi *key, u16 family, u8 dir,
for (fle = *head; fle; fle = fle->next) {
if (fle->family == family &&
fle->dir == dir &&
+ fle->sk_sid == sk_sid &&
flow_key_compare(key, &fle->key) == 0) {
if (fle->genid == atomic_read(&flow_cache_genid)) {
void *ret = fle->object;
@@ -210,6 +213,7 @@ void *flow_cache_lookup(struct flowi *key, u16 family, u8 dir,
*head = fle;
fle->family = family;
fle->dir = dir;
+ fle->sk_sid = sk_sid;
memcpy(&fle->key, key, sizeof(*key));
fle->object = NULL;
flow_count(cpu)++;
@@ -221,7 +225,7 @@ nocache:
void *obj;
atomic_t *obj_ref;
- resolver(key, family, dir, &obj, &obj_ref);
+ resolver(key, sk_sid, family, dir, &obj, &obj_ref);
if (fle) {
fle->genid = atomic_read(&flow_cache_genid);
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index e2137f3e489..e8b2acbc8ea 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -9,6 +9,7 @@
* 2 of the License, or (at your option) any later version.
*/
+#include <linux/capability.h>
#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/netdevice.h>
@@ -16,6 +17,7 @@
#include <net/sock.h>
#include <linux/rtnetlink.h>
#include <linux/wireless.h>
+#include <net/iw_handler.h>
#define to_class_dev(obj) container_of(obj,struct class_device,kobj)
#define to_net_dev(class) container_of(class, struct net_device, class_dev)
@@ -84,16 +86,11 @@ static ssize_t netdev_store(struct class_device *dev,
return ret;
}
-/* generate a read-only network device class attribute */
-#define NETDEVICE_ATTR(field, format_string) \
-NETDEVICE_SHOW(field, format_string) \
-static CLASS_DEVICE_ATTR(field, S_IRUGO, show_##field, NULL) \
-
-NETDEVICE_ATTR(addr_len, fmt_dec);
-NETDEVICE_ATTR(iflink, fmt_dec);
-NETDEVICE_ATTR(ifindex, fmt_dec);
-NETDEVICE_ATTR(features, fmt_long_hex);
-NETDEVICE_ATTR(type, fmt_dec);
+NETDEVICE_SHOW(addr_len, fmt_dec);
+NETDEVICE_SHOW(iflink, fmt_dec);
+NETDEVICE_SHOW(ifindex, fmt_dec);
+NETDEVICE_SHOW(features, fmt_long_hex);
+NETDEVICE_SHOW(type, fmt_dec);
/* use same locking rules as GIFHWADDR ioctl's */
static ssize_t format_addr(char *buf, const unsigned char *addr, int len)
@@ -136,10 +133,6 @@ static ssize_t show_carrier(struct class_device *dev, char *buf)
return -EINVAL;
}
-static CLASS_DEVICE_ATTR(address, S_IRUGO, show_address, NULL);
-static CLASS_DEVICE_ATTR(broadcast, S_IRUGO, show_broadcast, NULL);
-static CLASS_DEVICE_ATTR(carrier, S_IRUGO, show_carrier, NULL);
-
/* read-write attributes */
NETDEVICE_SHOW(mtu, fmt_dec);
@@ -153,8 +146,6 @@ static ssize_t store_mtu(struct class_device *dev, const char *buf, size_t len)
return netdev_store(dev, buf, len, change_mtu);
}
-static CLASS_DEVICE_ATTR(mtu, S_IRUGO | S_IWUSR, show_mtu, store_mtu);
-
NETDEVICE_SHOW(flags, fmt_hex);
static int change_flags(struct net_device *net, unsigned long new_flags)
@@ -167,8 +158,6 @@ static ssize_t store_flags(struct class_device *dev, const char *buf, size_t len
return netdev_store(dev, buf, len, change_flags);
}
-static CLASS_DEVICE_ATTR(flags, S_IRUGO | S_IWUSR, show_flags, store_flags);
-
NETDEVICE_SHOW(tx_queue_len, fmt_ulong);
static int change_tx_queue_len(struct net_device *net, unsigned long new_len)
@@ -182,9 +171,6 @@ static ssize_t store_tx_queue_len(struct class_device *dev, const char *buf, siz
return netdev_store(dev, buf, len, change_tx_queue_len);
}
-static CLASS_DEVICE_ATTR(tx_queue_len, S_IRUGO | S_IWUSR, show_tx_queue_len,
- store_tx_queue_len);
-
NETDEVICE_SHOW(weight, fmt_dec);
static int change_weight(struct net_device *net, unsigned long new_weight)
@@ -198,24 +184,21 @@ static ssize_t store_weight(struct class_device *dev, const char *buf, size_t le
return netdev_store(dev, buf, len, change_weight);
}
-static CLASS_DEVICE_ATTR(weight, S_IRUGO | S_IWUSR, show_weight,
- store_weight);
-
-
-static struct class_device_attribute *net_class_attributes[] = {
- &class_device_attr_ifindex,
- &class_device_attr_iflink,
- &class_device_attr_addr_len,
- &class_device_attr_tx_queue_len,
- &class_device_attr_features,
- &class_device_attr_mtu,
- &class_device_attr_flags,
- &class_device_attr_weight,
- &class_device_attr_type,
- &class_device_attr_address,
- &class_device_attr_broadcast,
- &class_device_attr_carrier,
- NULL
+static struct class_device_attribute net_class_attributes[] = {
+ __ATTR(addr_len, S_IRUGO, show_addr_len, NULL),
+ __ATTR(iflink, S_IRUGO, show_iflink, NULL),
+ __ATTR(ifindex, S_IRUGO, show_ifindex, NULL),
+ __ATTR(features, S_IRUGO, show_features, NULL),
+ __ATTR(type, S_IRUGO, show_type, NULL),
+ __ATTR(address, S_IRUGO, show_address, NULL),
+ __ATTR(broadcast, S_IRUGO, show_broadcast, NULL),
+ __ATTR(carrier, S_IRUGO, show_carrier, NULL),
+ __ATTR(mtu, S_IRUGO | S_IWUSR, show_mtu, store_mtu),
+ __ATTR(flags, S_IRUGO | S_IWUSR, show_flags, store_flags),
+ __ATTR(tx_queue_len, S_IRUGO | S_IWUSR, show_tx_queue_len,
+ store_tx_queue_len),
+ __ATTR(weight, S_IRUGO | S_IWUSR, show_weight, store_weight),
+ {}
};
/* Show a given an attribute in the statistics group */
@@ -313,13 +296,19 @@ static ssize_t wireless_show(struct class_device *cd, char *buf,
char *))
{
struct net_device *dev = to_net_dev(cd);
- const struct iw_statistics *iw;
+ const struct iw_statistics *iw = NULL;
ssize_t ret = -EINVAL;
read_lock(&dev_base_lock);
- if (dev_isalive(dev) && dev->get_wireless_stats
- && (iw = dev->get_wireless_stats(dev)) != NULL)
- ret = (*format)(iw, buf);
+ if (dev_isalive(dev)) {
+ if(dev->wireless_handlers &&
+ dev->wireless_handlers->get_wireless_stats)
+ iw = dev->wireless_handlers->get_wireless_stats(dev);
+ else if (dev->get_wireless_stats)
+ iw = dev->get_wireless_stats(dev);
+ if (iw != NULL)
+ ret = (*format)(iw, buf);
+ }
read_unlock(&dev_base_lock);
return ret;
@@ -369,14 +358,14 @@ static struct attribute_group wireless_group = {
#endif
#ifdef CONFIG_HOTPLUG
-static int netdev_hotplug(struct class_device *cd, char **envp,
- int num_envp, char *buf, int size)
+static int netdev_uevent(struct class_device *cd, char **envp,
+ int num_envp, char *buf, int size)
{
struct net_device *dev = to_net_dev(cd);
int i = 0;
int n;
- /* pass interface in env to hotplug. */
+ /* pass interface to uevent. */
envp[i++] = buf;
n = snprintf(buf, size, "INTERFACE=%s", dev->name) + 1;
buf += n;
@@ -407,8 +396,9 @@ static void netdev_release(struct class_device *cd)
static struct class net_class = {
.name = "net",
.release = netdev_release,
+ .class_dev_attrs = net_class_attributes,
#ifdef CONFIG_HOTPLUG
- .hotplug = netdev_hotplug,
+ .uevent = netdev_uevent,
#endif
};
@@ -420,7 +410,8 @@ void netdev_unregister_sysfs(struct net_device * net)
sysfs_remove_group(&class_dev->kobj, &netstat_group);
#ifdef WIRELESS_EXT
- if (net->get_wireless_stats)
+ if (net->get_wireless_stats || (net->wireless_handlers &&
+ net->wireless_handlers->get_wireless_stats))
sysfs_remove_group(&class_dev->kobj, &wireless_group);
#endif
class_device_del(class_dev);
@@ -431,8 +422,6 @@ void netdev_unregister_sysfs(struct net_device * net)
int netdev_register_sysfs(struct net_device *net)
{
struct class_device *class_dev = &(net->class_dev);
- int i;
- struct class_device_attribute *attr;
int ret;
class_dev->class = &net_class;
@@ -442,21 +431,17 @@ int netdev_register_sysfs(struct net_device *net)
if ((ret = class_device_register(class_dev)))
goto out;
- for (i = 0; (attr = net_class_attributes[i]) != NULL; i++) {
- if ((ret = class_device_create_file(class_dev, attr)))
- goto out_unreg;
- }
-
-
if (net->get_stats &&
(ret = sysfs_create_group(&class_dev->kobj, &netstat_group)))
goto out_unreg;
#ifdef WIRELESS_EXT
- if (net->get_wireless_stats &&
- (ret = sysfs_create_group(&class_dev->kobj, &wireless_group)))
- goto out_cleanup;
-
+ if (net->get_wireless_stats || (net->wireless_handlers &&
+ net->wireless_handlers->get_wireless_stats)) {
+ ret = sysfs_create_group(&class_dev->kobj, &wireless_group);
+ if (ret)
+ goto out_cleanup;
+ }
return 0;
out_cleanup:
if (net->get_stats)
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 49424a42a2c..ea51f8d02eb 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -13,6 +13,7 @@
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/string.h>
+#include <linux/if_arp.h>
#include <linux/inetdevice.h>
#include <linux/inet.h>
#include <linux/interrupt.h>
@@ -702,7 +703,7 @@ int netpoll_setup(struct netpoll *np)
}
}
- if (!memcmp(np->local_mac, "\0\0\0\0\0\0", 6) && ndev->dev_addr)
+ if (is_zero_ether_addr(np->local_mac) && ndev->dev_addr)
memcpy(np->local_mac, ndev->dev_addr, 6);
if (!np->local_ip) {
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 7fc3e9e28c3..da16f8fd149 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -116,13 +116,13 @@
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
-#include <linux/sched.h>
#include <linux/unistd.h>
#include <linux/string.h>
#include <linux/ptrace.h>
#include <linux/errno.h>
#include <linux/ioport.h>
#include <linux/interrupt.h>
+#include <linux/capability.h>
#include <linux/delay.h>
#include <linux/timer.h>
#include <linux/init.h>
@@ -139,6 +139,7 @@
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/wait.h>
+#include <linux/etherdevice.h>
#include <net/checksum.h>
#include <net/ipv6.h>
#include <net/addrconf.h>
@@ -281,8 +282,8 @@ struct pktgen_dev {
__u32 src_mac_count; /* How many MACs to iterate through */
__u32 dst_mac_count; /* How many MACs to iterate through */
- unsigned char dst_mac[6];
- unsigned char src_mac[6];
+ unsigned char dst_mac[ETH_ALEN];
+ unsigned char src_mac[ETH_ALEN];
__u32 cur_dst_mac_offset;
__u32 cur_src_mac_offset;
@@ -473,7 +474,6 @@ static char version[] __initdata = VERSION;
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);
-static struct pktgen_thread* pktgen_find_thread(const char* name);
static struct pktgen_dev *pktgen_find_dev(struct pktgen_thread* t, const char* ifname);
static int pktgen_device_event(struct notifier_block *, unsigned long, void *);
static void pktgen_run_all_threads(void);
@@ -487,9 +487,9 @@ static unsigned int fmt_ip6(char *s,const char ip[16]);
/* Module parameters, defaults. */
static int pg_count_d = 1000; /* 1000 pkts by default */
-static int pg_delay_d = 0;
-static int pg_clone_skb_d = 0;
-static int debug = 0;
+static int pg_delay_d;
+static int pg_clone_skb_d;
+static int debug;
static DECLARE_MUTEX(pktgen_sem);
static struct pktgen_thread *pktgen_threads = NULL;
@@ -595,16 +595,9 @@ static int pktgen_if_show(struct seq_file *seq, void *v)
seq_puts(seq, " src_mac: ");
- if ((pkt_dev->src_mac[0] == 0) &&
- (pkt_dev->src_mac[1] == 0) &&
- (pkt_dev->src_mac[2] == 0) &&
- (pkt_dev->src_mac[3] == 0) &&
- (pkt_dev->src_mac[4] == 0) &&
- (pkt_dev->src_mac[5] == 0))
-
+ if (is_zero_ether_addr(pkt_dev->src_mac))
for (i = 0; i < 6; i++)
seq_printf(seq, "%02X%s", pkt_dev->odev->dev_addr[i], i == 5 ? " " : ":");
-
else
for (i = 0; i < 6; i++)
seq_printf(seq, "%02X%s", pkt_dev->src_mac[i], i == 5 ? " " : ":");
@@ -1190,9 +1183,9 @@ static ssize_t pktgen_if_write(struct file *file, const char __user *user_buffer
}
if (!strcmp(name, "dst_mac")) {
char *v = valstr;
- unsigned char old_dmac[6];
+ unsigned char old_dmac[ETH_ALEN];
unsigned char *m = pkt_dev->dst_mac;
- memcpy(old_dmac, pkt_dev->dst_mac, 6);
+ memcpy(old_dmac, pkt_dev->dst_mac, ETH_ALEN);
len = strn_len(&user_buffer[i], sizeof(valstr) - 1);
if (len < 0) { return len; }
@@ -1221,8 +1214,8 @@ static ssize_t pktgen_if_write(struct file *file, const char __user *user_buffer
}
/* Set up Dest MAC */
- if (memcmp(old_dmac, pkt_dev->dst_mac, 6) != 0)
- memcpy(&(pkt_dev->hh[0]), pkt_dev->dst_mac, 6);
+ if (compare_ether_addr(old_dmac, pkt_dev->dst_mac))
+ memcpy(&(pkt_dev->hh[0]), pkt_dev->dst_mac, ETH_ALEN);
sprintf(pg_result, "OK: dstmac");
return count;
@@ -1561,17 +1554,11 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev)
/* Default to the interface's mac if not explicitly set. */
- if ((pkt_dev->src_mac[0] == 0) &&
- (pkt_dev->src_mac[1] == 0) &&
- (pkt_dev->src_mac[2] == 0) &&
- (pkt_dev->src_mac[3] == 0) &&
- (pkt_dev->src_mac[4] == 0) &&
- (pkt_dev->src_mac[5] == 0)) {
+ if (is_zero_ether_addr(pkt_dev->src_mac))
+ memcpy(&(pkt_dev->hh[6]), pkt_dev->odev->dev_addr, ETH_ALEN);
- memcpy(&(pkt_dev->hh[6]), pkt_dev->odev->dev_addr, 6);
- }
/* Set up Dest MAC */
- memcpy(&(pkt_dev->hh[0]), pkt_dev->dst_mac, 6);
+ memcpy(&(pkt_dev->hh[0]), pkt_dev->dst_mac, ETH_ALEN);
/* Set up pkt size */
pkt_dev->cur_pkt_size = pkt_dev->min_pkt_size;
@@ -1873,13 +1860,14 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev,
*/
mod_cur_headers(pkt_dev);
- skb = alloc_skb(pkt_dev->cur_pkt_size + 64 + 16, GFP_ATOMIC);
+ datalen = (odev->hard_header_len + 16) & ~0xf;
+ skb = alloc_skb(pkt_dev->cur_pkt_size + 64 + datalen, GFP_ATOMIC);
if (!skb) {
sprintf(pkt_dev->result, "No memory");
return NULL;
}
- skb_reserve(skb, 16);
+ skb_reserve(skb, datalen);
/* Reserve for ethernet and IP header */
eth = (__u8 *) skb_push(skb, 14);
@@ -2883,7 +2871,7 @@ static int pktgen_add_device(struct pktgen_thread *t, const char* ifname)
return add_dev_to_thread(t, pkt_dev);
}
-static struct pktgen_thread *pktgen_find_thread(const char* name)
+static struct pktgen_thread * __init pktgen_find_thread(const char* name)
{
struct pktgen_thread *t = NULL;
@@ -2900,7 +2888,7 @@ static struct pktgen_thread *pktgen_find_thread(const char* name)
return t;
}
-static int pktgen_create_thread(const char* name, int cpu)
+static int __init pktgen_create_thread(const char* name, int cpu)
{
struct pktgen_thread *t = NULL;
struct proc_dir_entry *pe;
diff --git a/net/core/scm.c b/net/core/scm.c
index e887d19be50..649d01ef35b 100644
--- a/net/core/scm.c
+++ b/net/core/scm.c
@@ -11,6 +11,7 @@
#include <linux/module.h>
#include <linux/signal.h>
+#include <linux/capability.h>
#include <linux/errno.h>
#include <linux/sched.h>
#include <linux/mm.h>
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 83fee37de38..d0732e9c856 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -135,17 +135,13 @@ void skb_under_panic(struct sk_buff *skb, int sz, void *here)
struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
int fclone)
{
+ struct skb_shared_info *shinfo;
struct sk_buff *skb;
u8 *data;
/* Get the HEAD */
- if (fclone)
- skb = kmem_cache_alloc(skbuff_fclone_cache,
- gfp_mask & ~__GFP_DMA);
- else
- skb = kmem_cache_alloc(skbuff_head_cache,
- gfp_mask & ~__GFP_DMA);
-
+ skb = kmem_cache_alloc(fclone ? skbuff_fclone_cache : skbuff_head_cache,
+ gfp_mask & ~__GFP_DMA);
if (!skb)
goto out;
@@ -162,6 +158,16 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
skb->data = data;
skb->tail = data;
skb->end = data + size;
+ /* make sure we initialize shinfo sequentially */
+ shinfo = skb_shinfo(skb);
+ atomic_set(&shinfo->dataref, 1);
+ shinfo->nr_frags = 0;
+ shinfo->tso_size = 0;
+ shinfo->tso_segs = 0;
+ shinfo->ufo_size = 0;
+ shinfo->ip6_frag_id = 0;
+ shinfo->frag_list = NULL;
+
if (fclone) {
struct sk_buff *child = skb + 1;
atomic_t *fclone_ref = (atomic_t *) (child + 1);
@@ -171,13 +177,6 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
child->fclone = SKB_FCLONE_UNAVAILABLE;
}
- atomic_set(&(skb_shinfo(skb)->dataref), 1);
- skb_shinfo(skb)->nr_frags = 0;
- skb_shinfo(skb)->tso_size = 0;
- skb_shinfo(skb)->tso_segs = 0;
- skb_shinfo(skb)->frag_list = NULL;
- skb_shinfo(skb)->ufo_size = 0;
- skb_shinfo(skb)->ip6_frag_id = 0;
out:
return skb;
nodata:
@@ -792,8 +791,7 @@ int ___pskb_trim(struct sk_buff *skb, unsigned int len, int realloc)
int end = offset + skb_shinfo(skb)->frags[i].size;
if (end > len) {
if (skb_cloned(skb)) {
- if (!realloc)
- BUG();
+ BUG_ON(!realloc);
if (pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
return -ENOMEM;
}
@@ -895,8 +893,7 @@ unsigned char *__pskb_pull_tail(struct sk_buff *skb, int delta)
struct sk_buff *insp = NULL;
do {
- if (!list)
- BUG();
+ BUG_ON(!list);
if (list->len <= eat) {
/* Eaten as whole. */
@@ -1200,8 +1197,7 @@ unsigned int skb_checksum(const struct sk_buff *skb, int offset,
start = end;
}
}
- if (len)
- BUG();
+ BUG_ON(len);
return csum;
}
@@ -1283,8 +1279,7 @@ unsigned int skb_copy_and_csum_bits(const struct sk_buff *skb, int offset,
start = end;
}
}
- if (len)
- BUG();
+ BUG_ON(len);
return csum;
}
@@ -1298,8 +1293,7 @@ void skb_copy_and_csum_dev(const struct sk_buff *skb, u8 *to)
else
csstart = skb_headlen(skb);
- if (csstart > skb_headlen(skb))
- BUG();
+ BUG_ON(csstart > skb_headlen(skb));
memcpy(to, skb->data, csstart);
diff --git a/net/core/sock.c b/net/core/sock.c
index 13cc3be4f05..6e00811d44b 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -91,6 +91,7 @@
* 2 of the License, or (at your option) any later version.
*/
+#include <linux/capability.h>
#include <linux/config.h>
#include <linux/errno.h>
#include <linux/types.h>
@@ -1488,7 +1489,7 @@ int proto_register(struct proto *prot, int alloc_slab)
}
}
- if (prot->twsk_obj_size) {
+ if (prot->twsk_prot != NULL) {
static const char mask[] = "tw_sock_%s";
timewait_sock_slab_name = kmalloc(strlen(prot->name) + sizeof(mask) - 1, GFP_KERNEL);
@@ -1497,11 +1498,12 @@ int proto_register(struct proto *prot, int alloc_slab)
goto out_free_request_sock_slab;
sprintf(timewait_sock_slab_name, mask, prot->name);
- prot->twsk_slab = kmem_cache_create(timewait_sock_slab_name,
- prot->twsk_obj_size,
- 0, SLAB_HWCACHE_ALIGN,
- NULL, NULL);
- if (prot->twsk_slab == NULL)
+ prot->twsk_prot->twsk_slab =
+ kmem_cache_create(timewait_sock_slab_name,
+ prot->twsk_prot->twsk_obj_size,
+ 0, SLAB_HWCACHE_ALIGN,
+ NULL, NULL);
+ if (prot->twsk_prot->twsk_slab == NULL)
goto out_free_timewait_sock_slab_name;
}
}
@@ -1548,12 +1550,12 @@ void proto_unregister(struct proto *prot)
prot->rsk_prot->slab = NULL;
}
- if (prot->twsk_slab != NULL) {
- const char *name = kmem_cache_name(prot->twsk_slab);
+ if (prot->twsk_prot != NULL && prot->twsk_prot->twsk_slab != NULL) {
+ const char *name = kmem_cache_name(prot->twsk_prot->twsk_slab);
- kmem_cache_destroy(prot->twsk_slab);
+ kmem_cache_destroy(prot->twsk_prot->twsk_slab);
kfree(name);
- prot->twsk_slab = NULL;
+ prot->twsk_prot->twsk_slab = NULL;
}
}
diff --git a/net/core/stream.c b/net/core/stream.c
index 15bfd03e802..35e25259fd9 100644
--- a/net/core/stream.c
+++ b/net/core/stream.c
@@ -55,8 +55,9 @@ int sk_stream_wait_connect(struct sock *sk, long *timeo_p)
int done;
do {
- if (sk->sk_err)
- return sock_error(sk);
+ int err = sock_error(sk);
+ if (err)
+ return err;
if ((1 << sk->sk_state) & ~(TCPF_SYN_SENT | TCPF_SYN_RECV))
return -EPIPE;
if (!*timeo_p)
@@ -67,6 +68,7 @@ int sk_stream_wait_connect(struct sock *sk, long *timeo_p)
prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
sk->sk_write_pending++;
done = sk_wait_event(sk, timeo_p,
+ !sk->sk_err &&
!((1 << sk->sk_state) &
~(TCPF_ESTABLISHED | TCPF_CLOSE_WAIT)));
finish_wait(sk->sk_sleep, &wait);
@@ -137,7 +139,9 @@ int sk_stream_wait_memory(struct sock *sk, long *timeo_p)
set_bit(SOCK_NOSPACE, &sk->sk_socket->flags);
sk->sk_write_pending++;
- sk_wait_event(sk, &current_timeo, sk_stream_memory_free(sk) &&
+ sk_wait_event(sk, &current_timeo, !sk->sk_err &&
+ !(sk->sk_shutdown & SEND_SHUTDOWN) &&
+ sk_stream_memory_free(sk) &&
vm_wait);
sk->sk_write_pending--;
diff --git a/net/core/utils.c b/net/core/utils.c
index 7b5970fc9e4..ac1d1fcf867 100644
--- a/net/core/utils.c
+++ b/net/core/utils.c
@@ -162,7 +162,7 @@ EXPORT_SYMBOL(net_srandom);
* is otherwise not dependent on the TCP/IP stack.
*/
-__u32 in_aton(const char *str)
+__be32 in_aton(const char *str)
{
unsigned long l;
unsigned int val;
@@ -175,7 +175,7 @@ __u32 in_aton(const char *str)
if (*str != '\0')
{
val = 0;
- while (*str != '\0' && *str != '.')
+ while (*str != '\0' && *str != '.' && *str != '\n')
{
val *= 10;
val += *str - '0';
diff --git a/net/core/wireless.c b/net/core/wireless.c
index 271ddb35b0b..2add7ed609e 100644
--- a/net/core/wireless.c
+++ b/net/core/wireless.c
@@ -78,6 +78,7 @@
#include <linux/seq_file.h>
#include <linux/init.h> /* for __init */
#include <linux/if_arp.h> /* ARPHRD_ETHER */
+#include <linux/etherdevice.h> /* compare_ether_addr */
#include <linux/wireless.h> /* Pretty obvious */
#include <net/iw_handler.h> /* New driver API */
@@ -1506,7 +1507,7 @@ void wireless_spy_update(struct net_device * dev,
/* Update all records that match */
for(i = 0; i < spydata->spy_number; i++)
- if(!memcmp(address, spydata->spy_address[i], ETH_ALEN)) {
+ if(!compare_ether_addr(address, spydata->spy_address[i])) {
memcpy(&(spydata->spy_stat[i]), wstats,
sizeof(struct iw_quality));
match = i;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-10-01 08:32:55 +0000