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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

Browse Source 
Conflicts:

	drivers/infiniband/core/iwcm.c
	drivers/net/chelsio/cxgb2.c
	drivers/net/wireless/bcm43xx/bcm43xx_main.c
	drivers/net/wireless/prism54/islpci_eth.c
	drivers/usb/core/hub.h
	drivers/usb/input/hid-core.c
	net/core/netpoll.c

Fix up merge failures with Linus's head and fix new compilation failures.

Signed-Off-By: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells
2006-12-05 14:37:56 +00:00
committed by David Howells
parent c4028958b6 d916faace3
commit 4c1ac1b491
1476 changed files with 67646 additions and 41035 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
net/core/Makefile
View File

@@ -12,7 +12,6 @@ obj-y += dev.o ethtool.o dev_mcast.o dst.o netevent.o \
obj-$(CONFIG_XFRM) += flow.o
obj-$(CONFIG_SYSFS) += net-sysfs.o
obj-$(CONFIG_NET_DIVERT) += dv.o
obj-$(CONFIG_NET_PKTGEN) += pktgen.o
obj-$(CONFIG_WIRELESS_EXT) += wireless.o
obj-$(CONFIG_NETPOLL) += netpoll.o

16
net/core/datagram.c
View File

@@ -321,7 +321,7 @@ fault:
static int skb_copy_and_csum_datagram(const struct sk_buff *skb, int offset,
u8 __user *to, int len,
unsigned int *csump)
__wsum *csump)
{
int start = skb_headlen(skb);
int pos = 0;
@@ -350,7 +350,7 @@ static int skb_copy_and_csum_datagram(const struct sk_buff *skb, int offset,
end = start + skb_shinfo(skb)->frags[i].size;
if ((copy = end - offset) > 0) {
unsigned int csum2;
__wsum csum2;
int err = 0;
u8 *vaddr;
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
@@ -386,7 +386,7 @@ static int skb_copy_and_csum_datagram(const struct sk_buff *skb, int offset,
end = start + list->len;
if ((copy = end - offset) > 0) {
unsigned int csum2 = 0;
__wsum csum2 = 0;
if (copy > len)
copy = len;
if (skb_copy_and_csum_datagram(list,
@@ -411,11 +411,11 @@ fault:
return -EFAULT;
}
unsigned int __skb_checksum_complete(struct sk_buff *skb)
__sum16 __skb_checksum_complete(struct sk_buff *skb)
{
unsigned int sum;
__sum16 sum;
sum = (u16)csum_fold(skb_checksum(skb, 0, skb->len, skb->csum));
sum = csum_fold(skb_checksum(skb, 0, skb->len, skb->csum));
if (likely(!sum)) {
if (unlikely(skb->ip_summed == CHECKSUM_COMPLETE))
netdev_rx_csum_fault(skb->dev);
@@ -441,7 +441,7 @@ EXPORT_SYMBOL(__skb_checksum_complete);
int skb_copy_and_csum_datagram_iovec(struct sk_buff *skb,
int hlen, struct iovec *iov)
{
unsigned int csum;
__wsum csum;
int chunk = skb->len - hlen;
/* Skip filled elements.
@@ -460,7 +460,7 @@ int skb_copy_and_csum_datagram_iovec(struct sk_buff *skb,
if (skb_copy_and_csum_datagram(skb, hlen, iov->iov_base,
chunk, &csum))
goto fault;
if ((unsigned short)csum_fold(csum))
if (csum_fold(csum))
goto csum_error;
if (unlikely(skb->ip_summed == CHECKSUM_COMPLETE))
netdev_rx_csum_fault(skb->dev);

39
net/core/dev.c
View File

@@ -98,7 +98,6 @@
#include <linux/seq_file.h>
#include <linux/stat.h>
#include <linux/if_bridge.h>
#include <linux/divert.h>
#include <net/dst.h>
#include <net/pkt_sched.h>
#include <net/checksum.h>
@@ -1170,7 +1169,7 @@ EXPORT_SYMBOL(netif_device_attach);
*/
int skb_checksum_help(struct sk_buff *skb)
{
unsigned int csum;
__wsum csum;
int ret = 0, offset = skb->h.raw - skb->data;
if (skb->ip_summed == CHECKSUM_COMPLETE)
@@ -1192,9 +1191,9 @@ int skb_checksum_help(struct sk_buff *skb)
offset = skb->tail - skb->h.raw;
BUG_ON(offset <= 0);
BUG_ON(skb->csum + 2 > offset);
BUG_ON(skb->csum_offset + 2 > offset);
*(u16*)(skb->h.raw + skb->csum) = csum_fold(csum);
*(__sum16*)(skb->h.raw + skb->csum_offset) = csum_fold(csum);
out_set_summed:
skb->ip_summed = CHECKSUM_NONE;
@@ -1216,7 +1215,7 @@ struct sk_buff *skb_gso_segment(struct sk_buff *skb, int features)
{
struct sk_buff *segs = ERR_PTR(-EPROTONOSUPPORT);
struct packet_type *ptype;
int type = skb->protocol;
__be16 type = skb->protocol;
int err;
BUG_ON(skb_shinfo(skb)->frag_list);
@@ -1767,7 +1766,7 @@ int netif_receive_skb(struct sk_buff *skb)
struct packet_type *ptype, *pt_prev;
struct net_device *orig_dev;
int ret = NET_RX_DROP;
unsigned short type;
__be16 type;
/* if we've gotten here through NAPI, check netpoll */
if (skb->dev->poll && netpoll_rx(skb))
@@ -1827,8 +1826,6 @@ int netif_receive_skb(struct sk_buff *skb)
ncls:
#endif
handle_diverter(skb);
if (handle_bridge(&skb, &pt_prev, &ret, orig_dev))
goto out;
@@ -2898,10 +2895,6 @@ int register_netdevice(struct net_device *dev)
spin_lock_init(&dev->ingress_lock);
#endif
ret = alloc_divert_blk(dev);
if (ret)
goto out;
dev->iflink = -1;
/* Init, if this function is available */
@@ -2910,13 +2903,13 @@ int register_netdevice(struct net_device *dev)
if (ret) {
if (ret > 0)
ret = -EIO;
goto out_err;
goto out;
}
}
if (!dev_valid_name(dev->name)) {
ret = -EINVAL;
goto out_err;
goto out;
}
dev->ifindex = dev_new_index();
@@ -2930,7 +2923,7 @@ int register_netdevice(struct net_device *dev)
= hlist_entry(p, struct net_device, name_hlist);
if (!strncmp(d->name, dev->name, IFNAMSIZ)) {
ret = -EEXIST;
goto out_err;
goto out;
}
}
@@ -2974,7 +2967,7 @@ int register_netdevice(struct net_device *dev)
ret = netdev_register_sysfs(dev);
if (ret)
goto out_err;
goto out;
dev->reg_state = NETREG_REGISTERED;
/*
@@ -3001,9 +2994,6 @@ int register_netdevice(struct net_device *dev)
out:
return ret;
out_err:
free_divert_blk(dev);
goto out;
}
/**
@@ -3035,15 +3025,6 @@ int register_netdev(struct net_device *dev)
goto out;
}
/*
* Back compatibility hook. Kill this one in 2.5
*/
if (dev->name[0] == 0 || dev->name[0] == ' ') {
err = dev_alloc_name(dev, "eth%d");
if (err < 0)
goto out;
}
err = register_netdevice(dev);
out:
rtnl_unlock();
@@ -3329,8 +3310,6 @@ int unregister_netdevice(struct net_device *dev)
/* Notifier chain MUST detach us from master device. */
BUG_TRAP(!dev->master);
free_divert_blk(dev);
/* Finish processing unregister after unlock */
net_set_todo(dev);

546
net/core/dv.c
View File

@@ -1,546 +0,0 @@
/*
* INET An implementation of the TCP/IP protocol suite for the LINUX
* operating system. INET is implemented using the BSD Socket
* interface as the means of communication with the user level.
*
* Generic frame diversion
*
* Authors:
* Benoit LOCHER: initial integration within the kernel with support for ethernet
* Dave Miller: improvement on the code (correctness, performance and source files)
*
*/
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/socket.h>
#include <linux/in.h>
#include <linux/inet.h>
#include <linux/ip.h>
#include <linux/udp.h>
#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>
#include <net/arp.h>
#include <net/sock.h>
#include <net/ipv6.h>
#include <net/ip.h>
#include <asm/uaccess.h>
#include <asm/system.h>
#include <asm/checksum.h>
#include <linux/divert.h>
#include <linux/sockios.h>
const char sysctl_divert_version[32]="0.46"; /* Current version */
static int __init dv_init(void)
{
return 0;
}
module_init(dv_init);
/*
* Allocate a divert_blk for a device. This must be an ethernet nic.
*/
int alloc_divert_blk(struct net_device *dev)
{
int alloc_size = (sizeof(struct divert_blk) + 3) & ~3;
dev->divert = NULL;
if (dev->type == ARPHRD_ETHER) {
dev->divert = kzalloc(alloc_size, GFP_KERNEL);
if (dev->divert == NULL) {
printk(KERN_INFO "divert: unable to allocate divert_blk for %s\n",
dev->name);
return -ENOMEM;
}
dev_hold(dev);
}
return 0;
}
/*
* Free a divert_blk allocated by the above function, if it was
* allocated on that device.
*/
void free_divert_blk(struct net_device *dev)
{
if (dev->divert) {
kfree(dev->divert);
dev->divert=NULL;
dev_put(dev);
}
}
/*
* Adds a tcp/udp (source or dest) port to an array
*/
static int add_port(u16 ports[], u16 port)
{
int i;
if (port == 0)
return -EINVAL;
/* Storing directly in network format for performance,
* thanks Dave :)
*/
port = htons(port);
for (i = 0; i < MAX_DIVERT_PORTS; i++) {
if (ports[i] == port)
return -EALREADY;
}
for (i = 0; i < MAX_DIVERT_PORTS; i++) {
if (ports[i] == 0) {
ports[i] = port;
return 0;
}
}
return -ENOBUFS;
}
/*
* Removes a port from an array tcp/udp (source or dest)
*/
static int remove_port(u16 ports[], u16 port)
{
int i;
if (port == 0)
return -EINVAL;
/* Storing directly in network format for performance,
* thanks Dave !
*/
port = htons(port);
for (i = 0; i < MAX_DIVERT_PORTS; i++) {
if (ports[i] == port) {
ports[i] = 0;
return 0;
}
}
return -EINVAL;
}
/* Some basic sanity checks on the arguments passed to divert_ioctl() */
static int check_args(struct divert_cf *div_cf, struct net_device **dev)
{
char devname[32];
int ret;
if (dev == NULL)
return -EFAULT;
/* GETVERSION: all other args are unused */
if (div_cf->cmd == DIVCMD_GETVERSION)
return 0;
/* Network device index should reasonably be between 0 and 1000 :) */
if (div_cf->dev_index < 0 || div_cf->dev_index > 1000)
return -EINVAL;
/* Let's try to find the ifname */
sprintf(devname, "eth%d", div_cf->dev_index);
*dev = dev_get_by_name(devname);
/* dev should NOT be null */
if (*dev == NULL)
return -EINVAL;
ret = 0;
/* user issuing the ioctl must be a super one :) */
if (!capable(CAP_SYS_ADMIN)) {
ret = -EPERM;
goto out;
}
/* Device must have a divert_blk member NOT null */
if ((*dev)->divert == NULL)
ret = -EINVAL;
out:
dev_put(*dev);
return ret;
}
/*
* control function of the diverter
*/
#if 0
#define DVDBG(a) \
printk(KERN_DEBUG "divert_ioctl() line %d %s\n", __LINE__, (a))
#else
#define DVDBG(a)
#endif
int divert_ioctl(unsigned int cmd, struct divert_cf __user *arg)
{
struct divert_cf div_cf;
struct divert_blk *div_blk;
struct net_device *dev;
int ret;
switch (cmd) {
case SIOCGIFDIVERT:
DVDBG("SIOCGIFDIVERT, copy_from_user");
if (copy_from_user(&div_cf, arg, sizeof(struct divert_cf)))
return -EFAULT;
DVDBG("before check_args");
ret = check_args(&div_cf, &dev);
if (ret)
return ret;
DVDBG("after checkargs");
div_blk = dev->divert;
DVDBG("befre switch()");
switch (div_cf.cmd) {
case DIVCMD_GETSTATUS:
/* Now, just give the user the raw divert block
* for him to play with :)
*/
if (copy_to_user(div_cf.arg1.ptr, dev->divert,
sizeof(struct divert_blk)))
return -EFAULT;
break;
case DIVCMD_GETVERSION:
DVDBG("GETVERSION: checking ptr");
if (div_cf.arg1.ptr == NULL)
return -EINVAL;
DVDBG("GETVERSION: copying data to userland");
if (copy_to_user(div_cf.arg1.ptr,
sysctl_divert_version, 32))
return -EFAULT;
DVDBG("GETVERSION: data copied");
break;
default:
return -EINVAL;
}
break;
case SIOCSIFDIVERT:
if (copy_from_user(&div_cf, arg, sizeof(struct divert_cf)))
return -EFAULT;
ret = check_args(&div_cf, &dev);
if (ret)
return ret;
div_blk = dev->divert;
switch(div_cf.cmd) {
case DIVCMD_RESET:
div_blk->divert = 0;
div_blk->protos = DIVERT_PROTO_NONE;
memset(div_blk->tcp_dst, 0,
MAX_DIVERT_PORTS * sizeof(u16));
memset(div_blk->tcp_src, 0,
MAX_DIVERT_PORTS * sizeof(u16));
memset(div_blk->udp_dst, 0,
MAX_DIVERT_PORTS * sizeof(u16));
memset(div_blk->udp_src, 0,
MAX_DIVERT_PORTS * sizeof(u16));
return 0;
case DIVCMD_DIVERT:
switch(div_cf.arg1.int32) {
case DIVARG1_ENABLE:
if (div_blk->divert)
return -EALREADY;
div_blk->divert = 1;
break;
case DIVARG1_DISABLE:
if (!div_blk->divert)
return -EALREADY;
div_blk->divert = 0;
break;
default:
return -EINVAL;
}
break;
case DIVCMD_IP:
switch(div_cf.arg1.int32) {
case DIVARG1_ENABLE:
if (div_blk->protos & DIVERT_PROTO_IP)
return -EALREADY;
div_blk->protos |= DIVERT_PROTO_IP;
break;
case DIVARG1_DISABLE:
if (!(div_blk->protos & DIVERT_PROTO_IP))
return -EALREADY;
div_blk->protos &= ~DIVERT_PROTO_IP;
break;
default:
return -EINVAL;
}
break;
case DIVCMD_TCP:
switch(div_cf.arg1.int32) {
case DIVARG1_ENABLE:
if (div_blk->protos & DIVERT_PROTO_TCP)
return -EALREADY;
div_blk->protos |= DIVERT_PROTO_TCP;
break;
case DIVARG1_DISABLE:
if (!(div_blk->protos & DIVERT_PROTO_TCP))
return -EALREADY;
div_blk->protos &= ~DIVERT_PROTO_TCP;
break;
default:
return -EINVAL;
}
break;
case DIVCMD_TCPDST:
switch(div_cf.arg1.int32) {
case DIVARG1_ADD:
return add_port(div_blk->tcp_dst,
div_cf.arg2.uint16);
case DIVARG1_REMOVE:
return remove_port(div_blk->tcp_dst,
div_cf.arg2.uint16);
default:
return -EINVAL;
}
break;
case DIVCMD_TCPSRC:
switch(div_cf.arg1.int32) {
case DIVARG1_ADD:
return add_port(div_blk->tcp_src,
div_cf.arg2.uint16);
case DIVARG1_REMOVE:
return remove_port(div_blk->tcp_src,
div_cf.arg2.uint16);
default:
return -EINVAL;
}
break;
case DIVCMD_UDP:
switch(div_cf.arg1.int32) {
case DIVARG1_ENABLE:
if (div_blk->protos & DIVERT_PROTO_UDP)
return -EALREADY;
div_blk->protos |= DIVERT_PROTO_UDP;
break;
case DIVARG1_DISABLE:
if (!(div_blk->protos & DIVERT_PROTO_UDP))
return -EALREADY;
div_blk->protos &= ~DIVERT_PROTO_UDP;
break;
default:
return -EINVAL;
}
break;
case DIVCMD_UDPDST:
switch(div_cf.arg1.int32) {
case DIVARG1_ADD:
return add_port(div_blk->udp_dst,
div_cf.arg2.uint16);
case DIVARG1_REMOVE:
return remove_port(div_blk->udp_dst,
div_cf.arg2.uint16);
default:
return -EINVAL;
}
break;
case DIVCMD_UDPSRC:
switch(div_cf.arg1.int32) {
case DIVARG1_ADD:
return add_port(div_blk->udp_src,
div_cf.arg2.uint16);
case DIVARG1_REMOVE:
return remove_port(div_blk->udp_src,
div_cf.arg2.uint16);
default:
return -EINVAL;
}
break;
case DIVCMD_ICMP:
switch(div_cf.arg1.int32) {
case DIVARG1_ENABLE:
if (div_blk->protos & DIVERT_PROTO_ICMP)
return -EALREADY;
div_blk->protos |= DIVERT_PROTO_ICMP;
break;
case DIVARG1_DISABLE:
if (!(div_blk->protos & DIVERT_PROTO_ICMP))
return -EALREADY;
div_blk->protos &= ~DIVERT_PROTO_ICMP;
break;
default:
return -EINVAL;
}
break;
default:
return -EINVAL;
}
break;
default:
return -EINVAL;
}
return 0;
}
/*
* Check if packet should have its dest mac address set to the box itself
* for diversion
*/
#define ETH_DIVERT_FRAME(skb) \
memcpy(eth_hdr(skb), skb->dev->dev_addr, ETH_ALEN); \
skb->pkt_type=PACKET_HOST
void divert_frame(struct sk_buff *skb)
{
struct ethhdr *eth = eth_hdr(skb);
struct iphdr *iph;
struct tcphdr *tcph;
struct udphdr *udph;
struct divert_blk *divert = skb->dev->divert;
int i, src, dst;
unsigned char *skb_data_end = skb->data + skb->len;
/* Packet is already aimed at us, return */
if (!compare_ether_addr(eth->h_dest, skb->dev->dev_addr))
return;
/* proto is not IP, do nothing */
if (eth->h_proto != htons(ETH_P_IP))
return;
/* Divert all IP frames ? */
if (divert->protos & DIVERT_PROTO_IP) {
ETH_DIVERT_FRAME(skb);
return;
}
/* Check for possible (maliciously) malformed IP frame (thanks Dave) */
iph = (struct iphdr *) skb->data;
if (((iph->ihl<<2)+(unsigned char*)(iph)) >= skb_data_end) {
printk(KERN_INFO "divert: malformed IP packet !\n");
return;
}
switch (iph->protocol) {
/* Divert all ICMP frames ? */
case IPPROTO_ICMP:
if (divert->protos & DIVERT_PROTO_ICMP) {
ETH_DIVERT_FRAME(skb);
return;
}
break;
/* Divert all TCP frames ? */
case IPPROTO_TCP:
if (divert->protos & DIVERT_PROTO_TCP) {
ETH_DIVERT_FRAME(skb);
return;
}
/* Check for possible (maliciously) malformed IP
* frame (thanx Dave)
*/
tcph = (struct tcphdr *)
(((unsigned char *)iph) + (iph->ihl<<2));
if (((unsigned char *)(tcph+1)) >= skb_data_end) {
printk(KERN_INFO "divert: malformed TCP packet !\n");
return;
}
/* Divert some tcp dst/src ports only ?*/
for (i = 0; i < MAX_DIVERT_PORTS; i++) {
dst = divert->tcp_dst[i];
src = divert->tcp_src[i];
if ((dst && dst == tcph->dest) ||
(src && src == tcph->source)) {
ETH_DIVERT_FRAME(skb);
return;
}
}
break;
/* Divert all UDP frames ? */
case IPPROTO_UDP:
if (divert->protos & DIVERT_PROTO_UDP) {
ETH_DIVERT_FRAME(skb);
return;
}
/* Check for possible (maliciously) malformed IP
* packet (thanks Dave)
*/
udph = (struct udphdr *)
(((unsigned char *)iph) + (iph->ihl<<2));
if (((unsigned char *)(udph+1)) >= skb_data_end) {
printk(KERN_INFO
"divert: malformed UDP packet !\n");
return;
}
/* Divert some udp dst/src ports only ? */
for (i = 0; i < MAX_DIVERT_PORTS; i++) {
dst = divert->udp_dst[i];
src = divert->udp_src[i];
if ((dst && dst == udph->dest) ||
(src && src == udph->source)) {
ETH_DIVERT_FRAME(skb);
return;
}
}
break;
}
}

71
net/core/fib_rules.c
View File

@@ -107,6 +107,22 @@ out:
EXPORT_SYMBOL_GPL(fib_rules_unregister);
static int fib_rule_match(struct fib_rule *rule, struct fib_rules_ops *ops,
struct flowi *fl, int flags)
{
int ret = 0;
if (rule->ifindex && (rule->ifindex != fl->iif))
goto out;
if ((rule->mark ^ fl->mark) & rule->mark_mask)
goto out;
ret = ops->match(rule, fl, flags);
out:
return (rule->flags & FIB_RULE_INVERT) ? !ret : ret;
}
int fib_rules_lookup(struct fib_rules_ops *ops, struct flowi *fl,
int flags, struct fib_lookup_arg *arg)
{
@@ -116,10 +132,7 @@ int fib_rules_lookup(struct fib_rules_ops *ops, struct flowi *fl,
rcu_read_lock();
list_for_each_entry_rcu(rule, ops->rules_list, list) {
if (rule->ifindex && (rule->ifindex != fl->iif))
continue;
if (!ops->match(rule, fl, flags))
if (!fib_rule_match(rule, ops, fl, flags))
continue;
err = ops->action(rule, fl, flags, arg);
@@ -179,6 +192,18 @@ int fib_nl_newrule(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
rule->ifindex = dev->ifindex;
}
if (tb[FRA_FWMARK]) {
rule->mark = nla_get_u32(tb[FRA_FWMARK]);
if (rule->mark)
/* compatibility: if the mark value is non-zero all bits
* are compared unless a mask is explicitly specified.
*/
rule->mark_mask = 0xFFFFFFFF;
}
if (tb[FRA_FWMASK])
rule->mark_mask = nla_get_u32(tb[FRA_FWMASK]);
rule->action = frh->action;
rule->flags = frh->flags;
rule->table = frh_get_table(frh, tb);
@@ -250,6 +275,14 @@ int fib_nl_delrule(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
nla_strcmp(tb[FRA_IFNAME], rule->ifname))
continue;
if (tb[FRA_FWMARK] &&
(rule->mark != nla_get_u32(tb[FRA_FWMARK])))
continue;
if (tb[FRA_FWMASK] &&
(rule->mark_mask != nla_get_u32(tb[FRA_FWMASK])))
continue;
if (!ops->compare(rule, frh, tb))
continue;
@@ -273,6 +306,22 @@ errout:
return err;
}
static inline size_t fib_rule_nlmsg_size(struct fib_rules_ops *ops,
struct fib_rule *rule)
{
size_t payload = NLMSG_ALIGN(sizeof(struct fib_rule_hdr))
+ nla_total_size(IFNAMSIZ) /* FRA_IFNAME */
+ nla_total_size(4) /* FRA_PRIORITY */
+ nla_total_size(4) /* FRA_TABLE */
+ nla_total_size(4) /* FRA_FWMARK */
+ nla_total_size(4); /* FRA_FWMASK */
if (ops->nlmsg_payload)
payload += ops->nlmsg_payload(rule);
return payload;
}
static int fib_nl_fill_rule(struct sk_buff *skb, struct fib_rule *rule,
u32 pid, u32 seq, int type, int flags,
struct fib_rules_ops *ops)
@@ -298,6 +347,12 @@ static int fib_nl_fill_rule(struct sk_buff *skb, struct fib_rule *rule,
if (rule->pref)
NLA_PUT_U32(skb, FRA_PRIORITY, rule->pref);
if (rule->mark)
NLA_PUT_U32(skb, FRA_FWMARK, rule->mark);
if (rule->mark_mask || rule->mark)
NLA_PUT_U32(skb, FRA_FWMASK, rule->mark_mask);
if (ops->fill(rule, skb, nlh, frh) < 0)
goto nla_put_failure;
@@ -345,15 +400,13 @@ static void notify_rule_change(int event, struct fib_rule *rule,
struct sk_buff *skb;
int err = -ENOBUFS;
skb = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
skb = nlmsg_new(fib_rule_nlmsg_size(ops, rule), GFP_KERNEL);
if (skb == NULL)
goto errout;
err = fib_nl_fill_rule(skb, rule, pid, nlh->nlmsg_seq, event, 0, ops);
if (err < 0) {
kfree_skb(skb);
goto errout;
}
/* failure implies BUG in fib_rule_nlmsg_size() */
BUG_ON(err < 0);
err = rtnl_notify(skb, pid, ops->nlgroup, nlh, GFP_KERNEL);
errout:

6
net/core/filter.c
View File

@@ -178,7 +178,7 @@ unsigned int sk_run_filter(struct sk_buff *skb, struct sock_filter *filter, int
load_w:
ptr = load_pointer(skb, k, 4, &tmp);
if (ptr != NULL) {
A = ntohl(get_unaligned((u32 *)ptr));
A = ntohl(get_unaligned((__be32 *)ptr));
continue;
}
break;
@@ -187,7 +187,7 @@ load_w:
load_h:
ptr = load_pointer(skb, k, 2, &tmp);
if (ptr != NULL) {
A = ntohs(get_unaligned((u16 *)ptr));
A = ntohs(get_unaligned((__be16 *)ptr));
continue;
}
break;
@@ -261,7 +261,7 @@ load_b:
*/
switch (k-SKF_AD_OFF) {
case SKF_AD_PROTOCOL:
A = htons(skb->protocol);
A = ntohs(skb->protocol);
continue;
case SKF_AD_PKTTYPE:
A = skb->pkt_type;

4
net/core/iovec.c
View File

@@ -158,9 +158,9 @@ int memcpy_fromiovecend(unsigned char *kdata, struct iovec *iov, int offset,
* call to this function will be unaligned also.
*/
int csum_partial_copy_fromiovecend(unsigned char *kdata, struct iovec *iov,
int offset, unsigned int len, int *csump)
int offset, unsigned int len, __wsum *csump)
{
int csum = *csump;
__wsum csum = *csump;
int partial_cnt = 0, err = 0;
/* Skip over the finished iovecs */

24
net/core/neighbour.c
View File

@@ -1266,10 +1266,9 @@ void pneigh_enqueue(struct neigh_table *tbl, struct neigh_parms *p,
struct neigh_parms *neigh_parms_alloc(struct net_device *dev,
struct neigh_table *tbl)
{
struct neigh_parms *p = kmalloc(sizeof(*p), GFP_KERNEL);
struct neigh_parms *p = kmemdup(&tbl->parms, sizeof(*p), GFP_KERNEL);
if (p) {
memcpy(p, &tbl->parms, sizeof(*p));
p->tbl = tbl;
atomic_set(&p->refcnt, 1);
INIT_RCU_HEAD(&p->rcu_head);
@@ -2410,20 +2409,27 @@ static struct file_operations neigh_stat_seq_fops = {
#endif /* CONFIG_PROC_FS */
#ifdef CONFIG_ARPD
static inline size_t neigh_nlmsg_size(void)
{
return NLMSG_ALIGN(sizeof(struct ndmsg))
+ nla_total_size(MAX_ADDR_LEN) /* NDA_DST */
+ nla_total_size(MAX_ADDR_LEN) /* NDA_LLADDR */
+ nla_total_size(sizeof(struct nda_cacheinfo))
+ nla_total_size(4); /* NDA_PROBES */
}
static void __neigh_notify(struct neighbour *n, int type, int flags)
{
struct sk_buff *skb;
int err = -ENOBUFS;
skb = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC);
skb = nlmsg_new(neigh_nlmsg_size(), GFP_ATOMIC);
if (skb == NULL)
goto errout;
err = neigh_fill_info(skb, n, 0, 0, type, flags);
if (err < 0) {
kfree_skb(skb);
goto errout;
}
/* failure implies BUG in neigh_nlmsg_size() */
BUG_ON(err < 0);
err = rtnl_notify(skb, 0, RTNLGRP_NEIGH, NULL, GFP_ATOMIC);
errout:
@@ -2618,14 +2624,14 @@ int neigh_sysctl_register(struct net_device *dev, struct neigh_parms *p,
int p_id, int pdev_id, char *p_name,
proc_handler *handler, ctl_handler *strategy)
{
struct neigh_sysctl_table *t = kmalloc(sizeof(*t), GFP_KERNEL);
struct neigh_sysctl_table *t = kmemdup(&neigh_sysctl_template,
sizeof(*t), GFP_KERNEL);
const char *dev_name_source = NULL;
char *dev_name = NULL;
int err = 0;
if (!t)
return -ENOBUFS;
memcpy(t, &neigh_sysctl_template, sizeof(*t));
t->neigh_vars[0].data = &p->mcast_probes;
t->neigh_vars[1].data = &p->ucast_probes;
t->neigh_vars[2].data = &p->app_probes;

323
net/core/netpoll.c
View File

@@ -34,18 +34,12 @@
#define MAX_UDP_CHUNK 1460
#define MAX_SKBS 32
#define MAX_QUEUE_DEPTH (MAX_SKBS / 2)
#define MAX_RETRIES 20000
static DEFINE_SPINLOCK(skb_list_lock);
static int nr_skbs;
static struct sk_buff *skbs;
static DEFINE_SPINLOCK(queue_lock);
static int queue_depth;
static struct sk_buff *queue_head, *queue_tail;
static struct sk_buff_head skb_pool;
static atomic_t trapped;
#define USEC_PER_POLL 50
#define NETPOLL_RX_ENABLED 1
#define NETPOLL_RX_DROP 2
@@ -58,52 +52,34 @@ static void arp_reply(struct sk_buff *skb);
static void queue_process(struct work_struct *work)
{
unsigned long flags;
struct netpoll_info *npinfo =
container_of(work, struct netpoll_info, tx_work.work);
struct sk_buff *skb;
while (queue_head) {
spin_lock_irqsave(&queue_lock, flags);
while ((skb = skb_dequeue(&npinfo->txq))) {
struct net_device *dev = skb->dev;
skb = queue_head;
queue_head = skb->next;
if (skb == queue_tail)
queue_head = NULL;
if (!netif_device_present(dev) || !netif_running(dev)) {
__kfree_skb(skb);
continue;
}
queue_depth--;
netif_tx_lock_bh(dev);
if (netif_queue_stopped(dev) ||
dev->hard_start_xmit(skb, dev) != NETDEV_TX_OK) {
skb_queue_head(&npinfo->txq, skb);
netif_tx_unlock_bh(dev);
spin_unlock_irqrestore(&queue_lock, flags);
dev_queue_xmit(skb);
schedule_delayed_work(&npinfo->tx_work, HZ/10);
return;
}
}
}
static DECLARE_WORK(send_queue, queue_process);
void netpoll_queue(struct sk_buff *skb)
static __sum16 checksum_udp(struct sk_buff *skb, struct udphdr *uh,
unsigned short ulen, __be32 saddr, __be32 daddr)
{
unsigned long flags;
if (queue_depth == MAX_QUEUE_DEPTH) {
__kfree_skb(skb);
return;
}
spin_lock_irqsave(&queue_lock, flags);
if (!queue_head)
queue_head = skb;
else
queue_tail->next = skb;
queue_tail = skb;
queue_depth++;
spin_unlock_irqrestore(&queue_lock, flags);
schedule_work(&send_queue);
}
static int checksum_udp(struct sk_buff *skb, struct udphdr *uh,
unsigned short ulen, u32 saddr, u32 daddr)
{
unsigned int psum;
__wsum psum;
if (uh->check == 0 || skb->ip_summed == CHECKSUM_UNNECESSARY)
return 0;
@@ -111,7 +87,7 @@ static int checksum_udp(struct sk_buff *skb, struct udphdr *uh,
psum = csum_tcpudp_nofold(saddr, daddr, ulen, IPPROTO_UDP, 0);
if (skb->ip_summed == CHECKSUM_COMPLETE &&
!(u16)csum_fold(csum_add(psum, skb->csum)))
!csum_fold(csum_add(psum, skb->csum)))
return 0;
skb->csum = psum;
@@ -167,12 +143,11 @@ static void service_arp_queue(struct netpoll_info *npi)
arp_reply(skb);
skb = skb_dequeue(&npi->arp_tx);
}
return;
}
void netpoll_poll(struct netpoll *np)
{
if(!np->dev || !netif_running(np->dev) || !np->dev->poll_controller)
if (!np->dev || !netif_running(np->dev) || !np->dev->poll_controller)
return;
/* Process pending work on NIC */
@@ -190,17 +165,15 @@ static void refill_skbs(void)
struct sk_buff *skb;
unsigned long flags;
spin_lock_irqsave(&skb_list_lock, flags);
while (nr_skbs < MAX_SKBS) {
spin_lock_irqsave(&skb_pool.lock, flags);
while (skb_pool.qlen < MAX_SKBS) {
skb = alloc_skb(MAX_SKB_SIZE, GFP_ATOMIC);
if (!skb)
break;
skb->next = skbs;
skbs = skb;
nr_skbs++;
__skb_queue_tail(&skb_pool, skb);
}
spin_unlock_irqrestore(&skb_list_lock, flags);
spin_unlock_irqrestore(&skb_pool.lock, flags);
}
static void zap_completion_queue(void)
@@ -219,7 +192,7 @@ static void zap_completion_queue(void)
while (clist != NULL) {
struct sk_buff *skb = clist;
clist = clist->next;
if(skb->destructor)
if (skb->destructor)
dev_kfree_skb_any(skb); /* put this one back */
else
__kfree_skb(skb);
@@ -229,38 +202,25 @@ static void zap_completion_queue(void)
put_cpu_var(softnet_data);
}
static struct sk_buff * find_skb(struct netpoll *np, int len, int reserve)
static struct sk_buff *find_skb(struct netpoll *np, int len, int reserve)
{
int once = 1, count = 0;
unsigned long flags;
struct sk_buff *skb = NULL;
int count = 0;
struct sk_buff *skb;
zap_completion_queue();
refill_skbs();
repeat:
if (nr_skbs < MAX_SKBS)
refill_skbs();
skb = alloc_skb(len, GFP_ATOMIC);
if (!skb)
skb = skb_dequeue(&skb_pool);
if (!skb) {
spin_lock_irqsave(&skb_list_lock, flags);
skb = skbs;
if (skb) {
skbs = skb->next;
skb->next = NULL;
nr_skbs--;
if (++count < 10) {
netpoll_poll(np);
goto repeat;
}
spin_unlock_irqrestore(&skb_list_lock, flags);
}
if(!skb) {
count++;
if (once && (count == 1000000)) {
printk("out of netpoll skbs!\n");
once = 0;
}
netpoll_poll(np);
goto repeat;
return NULL;
}
atomic_set(&skb->users, 1);
@@ -270,50 +230,40 @@ repeat:
static void netpoll_send_skb(struct netpoll *np, struct sk_buff *skb)
{
int status;
struct netpoll_info *npinfo;
int status = NETDEV_TX_BUSY;
unsigned long tries;
struct net_device *dev = np->dev;
struct netpoll_info *npinfo = np->dev->npinfo;
if (!np || !np->dev || !netif_running(np->dev)) {
__kfree_skb(skb);
return;
}
if (!npinfo || !netif_running(dev) || !netif_device_present(dev)) {
__kfree_skb(skb);
return;
}
npinfo = np->dev->npinfo;
/* don't get messages out of order, and no recursion */
if (skb_queue_len(&npinfo->txq) == 0 &&
npinfo->poll_owner != smp_processor_id() &&
netif_tx_trylock(dev)) {
/* try until next clock tick */
for (tries = jiffies_to_usecs(1)/USEC_PER_POLL; tries > 0; --tries) {
if (!netif_queue_stopped(dev))
status = dev->hard_start_xmit(skb, dev);
/* avoid recursion */
if (npinfo->poll_owner == smp_processor_id() ||
np->dev->xmit_lock_owner == smp_processor_id()) {
if (np->drop)
np->drop(skb);
else
__kfree_skb(skb);
return;
}
if (status == NETDEV_TX_OK)
break;
do {
npinfo->tries--;
netif_tx_lock(np->dev);
/* tickle device maybe there is some cleanup */
netpoll_poll(np);
/*
* network drivers do not expect to be called if the queue is
* stopped.
*/
status = NETDEV_TX_BUSY;
if (!netif_queue_stopped(np->dev))
status = np->dev->hard_start_xmit(skb, np->dev);
netif_tx_unlock(np->dev);
/* success */
if(!status) {
npinfo->tries = MAX_RETRIES; /* reset */
return;
udelay(USEC_PER_POLL);
}
netif_tx_unlock(dev);
}
/* transmit busy */
netpoll_poll(np);
udelay(50);
} while (npinfo->tries > 0);
if (status != NETDEV_TX_OK) {
skb_queue_tail(&npinfo->txq, skb);
schedule_delayed_work(&npinfo->tx_work,0);
}
}
void netpoll_send_udp(struct netpoll *np, const char *msg, int len)
@@ -345,7 +295,7 @@ void netpoll_send_udp(struct netpoll *np, const char *msg, int len)
udp_len, IPPROTO_UDP,
csum_partial((unsigned char *)udph, udp_len, 0));
if (udph->check == 0)
udph->check = -1;
udph->check = CSUM_MANGLED_0;
skb->nh.iph = iph = (struct iphdr *)skb_push(skb, sizeof(*iph));
@@ -379,7 +329,7 @@ static void arp_reply(struct sk_buff *skb)
struct arphdr *arp;
unsigned char *arp_ptr;
int size, type = ARPOP_REPLY, ptype = ETH_P_ARP;
u32 sip, tip;
__be32 sip, tip;
struct sk_buff *send_skb;
struct netpoll *np = NULL;
@@ -431,8 +381,8 @@ static void arp_reply(struct sk_buff *skb)
if (np->dev->hard_header &&
np->dev->hard_header(send_skb, skb->dev, ptype,
np->remote_mac, np->local_mac,
send_skb->len) < 0) {
np->remote_mac, np->local_mac,
send_skb->len) < 0) {
kfree_skb(send_skb);
return;
}
@@ -470,7 +420,6 @@ int __netpoll_rx(struct sk_buff *skb)
struct netpoll_info *npi = skb->dev->npinfo;
struct netpoll *np = npi->rx_np;
if (!np)
goto out;
if (skb->dev->type != ARPHRD_ETHER)
@@ -543,47 +492,47 @@ int netpoll_parse_options(struct netpoll *np, char *opt)
{
char *cur=opt, *delim;
if(*cur != '@') {
if (*cur != '@') {
if ((delim = strchr(cur, '@')) == NULL)
goto parse_failed;
*delim=0;
np->local_port=simple_strtol(cur, NULL, 10);
cur=delim;
*delim = 0;
np->local_port = simple_strtol(cur, NULL, 10);
cur = delim;
}
cur++;
printk(KERN_INFO "%s: local port %d\n", np->name, np->local_port);
if(*cur != '/') {
if (*cur != '/') {
if ((delim = strchr(cur, '/')) == NULL)
goto parse_failed;
*delim=0;
np->local_ip=ntohl(in_aton(cur));
cur=delim;
*delim = 0;
np->local_ip = ntohl(in_aton(cur));
cur = delim;
printk(KERN_INFO "%s: local IP %d.%d.%d.%d\n",
np->name, HIPQUAD(np->local_ip));
}
cur++;
if ( *cur != ',') {
if (*cur != ',') {
/* parse out dev name */
if ((delim = strchr(cur, ',')) == NULL)
goto parse_failed;
*delim=0;
*delim = 0;
strlcpy(np->dev_name, cur, sizeof(np->dev_name));
cur=delim;
cur = delim;
}
cur++;
printk(KERN_INFO "%s: interface %s\n", np->name, np->dev_name);
if ( *cur != '@' ) {
if (*cur != '@') {
/* dst port */
if ((delim = strchr(cur, '@')) == NULL)
goto parse_failed;
*delim=0;
np->remote_port=simple_strtol(cur, NULL, 10);
cur=delim;
*delim = 0;
np->remote_port = simple_strtol(cur, NULL, 10);
cur = delim;
}
cur++;
printk(KERN_INFO "%s: remote port %d\n", np->name, np->remote_port);
@@ -591,42 +540,41 @@ int netpoll_parse_options(struct netpoll *np, char *opt)
/* dst ip */
if ((delim = strchr(cur, '/')) == NULL)
goto parse_failed;
*delim=0;
np->remote_ip=ntohl(in_aton(cur));
cur=delim+1;
*delim = 0;
np->remote_ip = ntohl(in_aton(cur));
cur = delim + 1;
printk(KERN_INFO "%s: remote IP %d.%d.%d.%d\n",
np->name, HIPQUAD(np->remote_ip));
np->name, HIPQUAD(np->remote_ip));
if( *cur != 0 )
{
if (*cur != 0) {
/* MAC address */
if ((delim = strchr(cur, ':')) == NULL)
goto parse_failed;
*delim=0;
np->remote_mac[0]=simple_strtol(cur, NULL, 16);
cur=delim+1;
*delim = 0;
np->remote_mac[0] = simple_strtol(cur, NULL, 16);
cur = delim + 1;
if ((delim = strchr(cur, ':')) == NULL)
goto parse_failed;
*delim=0;
np->remote_mac[1]=simple_strtol(cur, NULL, 16);
cur=delim+1;
*delim = 0;
np->remote_mac[1] = simple_strtol(cur, NULL, 16);
cur = delim + 1;
if ((delim = strchr(cur, ':')) == NULL)
goto parse_failed;
*delim=0;
np->remote_mac[2]=simple_strtol(cur, NULL, 16);
cur=delim+1;
*delim = 0;
np->remote_mac[2] = simple_strtol(cur, NULL, 16);
cur = delim + 1;
if ((delim = strchr(cur, ':')) == NULL)
goto parse_failed;
*delim=0;
np->remote_mac[3]=simple_strtol(cur, NULL, 16);
cur=delim+1;
*delim = 0;
np->remote_mac[3] = simple_strtol(cur, NULL, 16);
cur = delim + 1;
if ((delim = strchr(cur, ':')) == NULL)
goto parse_failed;
*delim=0;
np->remote_mac[4]=simple_strtol(cur, NULL, 16);
cur=delim+1;
np->remote_mac[5]=simple_strtol(cur, NULL, 16);
*delim = 0;
np->remote_mac[4] = simple_strtol(cur, NULL, 16);
cur = delim + 1;
np->remote_mac[5] = simple_strtol(cur, NULL, 16);
}
printk(KERN_INFO "%s: remote ethernet address "
@@ -653,34 +601,44 @@ int netpoll_setup(struct netpoll *np)
struct in_device *in_dev;
struct netpoll_info *npinfo;
unsigned long flags;
int err;
if (np->dev_name)
ndev = dev_get_by_name(np->dev_name);
if (!ndev) {
printk(KERN_ERR "%s: %s doesn't exist, aborting.\n",
np->name, np->dev_name);
return -1;
return -ENODEV;
}
np->dev = ndev;
if (!ndev->npinfo) {
npinfo = kmalloc(sizeof(*npinfo), GFP_KERNEL);
if (!npinfo)
if (!npinfo) {
err = -ENOMEM;
goto release;
}
npinfo->rx_flags = 0;
npinfo->rx_np = NULL;
spin_lock_init(&npinfo->poll_lock);
npinfo->poll_owner = -1;
npinfo->tries = MAX_RETRIES;
spin_lock_init(&npinfo->rx_lock);
skb_queue_head_init(&npinfo->arp_tx);
} else
skb_queue_head_init(&npinfo->txq);
INIT_DELAYED_WORK(&npinfo->tx_work, queue_process);
atomic_set(&npinfo->refcnt, 1);
} else {
npinfo = ndev->npinfo;
atomic_inc(&npinfo->refcnt);
}
if (!ndev->poll_controller) {
printk(KERN_ERR "%s: %s doesn't support polling, aborting.\n",
np->name, np->dev_name);
err = -ENOTSUPP;
goto release;
}
@@ -691,13 +649,14 @@ int netpoll_setup(struct netpoll *np)
np->name, np->dev_name);
rtnl_lock();
if (dev_change_flags(ndev, ndev->flags | IFF_UP) < 0) {
err = dev_open(ndev);
rtnl_unlock();
if (err) {
printk(KERN_ERR "%s: failed to open %s\n",
np->name, np->dev_name);
rtnl_unlock();
np->name, ndev->name);
goto release;
}
rtnl_unlock();
atleast = jiffies + HZ/10;
atmost = jiffies + 4*HZ;
@@ -735,6 +694,7 @@ int netpoll_setup(struct netpoll *np)
rcu_read_unlock();
printk(KERN_ERR "%s: no IP address for %s, aborting\n",
np->name, np->dev_name);
err = -EDESTADDRREQ;
goto release;
}
@@ -767,9 +727,16 @@ int netpoll_setup(struct netpoll *np)
kfree(npinfo);
np->dev = NULL;
dev_put(ndev);
return -1;
return err;
}
static int __init netpoll_init(void)
{
skb_queue_head_init(&skb_pool);
return 0;
}
core_initcall(netpoll_init);
void netpoll_cleanup(struct netpoll *np)
{
struct netpoll_info *npinfo;
@@ -777,12 +744,25 @@ void netpoll_cleanup(struct netpoll *np)
if (np->dev) {
npinfo = np->dev->npinfo;
if (npinfo && npinfo->rx_np == np) {
spin_lock_irqsave(&npinfo->rx_lock, flags);
npinfo->rx_np = NULL;
npinfo->rx_flags &= ~NETPOLL_RX_ENABLED;
spin_unlock_irqrestore(&npinfo->rx_lock, flags);
if (npinfo) {
if (npinfo->rx_np == np) {
spin_lock_irqsave(&npinfo->rx_lock, flags);
npinfo->rx_np = NULL;
npinfo->rx_flags &= ~NETPOLL_RX_ENABLED;
spin_unlock_irqrestore(&npinfo->rx_lock, flags);
}
np->dev->npinfo = NULL;
if (atomic_dec_and_test(&npinfo->refcnt)) {
skb_queue_purge(&npinfo->arp_tx);
skb_queue_purge(&npinfo->txq);
cancel_rearming_delayed_work(&npinfo->tx_work);
flush_scheduled_work();
kfree(npinfo);
}
}
dev_put(np->dev);
}
@@ -809,4 +789,3 @@ EXPORT_SYMBOL(netpoll_setup);
EXPORT_SYMBOL(netpoll_cleanup);
EXPORT_SYMBOL(netpoll_send_udp);
EXPORT_SYMBOL(netpoll_poll);
EXPORT_SYMBOL(netpoll_queue);

68
net/core/pktgen.c
View File

@@ -207,7 +207,7 @@ static struct proc_dir_entry *pg_proc_dir = NULL;
#define SVLAN_TAG_SIZE(x) ((x)->svlan_id == 0xffff ? 0 : 4)
struct flow_state {
__u32 cur_daddr;
__be32 cur_daddr;
int count;
};
@@ -282,10 +282,10 @@ struct pktgen_dev {
/* If we're doing ranges, random or incremental, then this
* defines the min/max for those ranges.
*/
__u32 saddr_min; /* inclusive, source IP address */
__u32 saddr_max; /* exclusive, source IP address */
__u32 daddr_min; /* inclusive, dest IP address */
__u32 daddr_max; /* exclusive, dest IP address */
__be32 saddr_min; /* inclusive, source IP address */
__be32 saddr_max; /* exclusive, source IP address */
__be32 daddr_min; /* inclusive, dest IP address */
__be32 daddr_max; /* exclusive, dest IP address */
__u16 udp_src_min; /* inclusive, source UDP port */
__u16 udp_src_max; /* exclusive, source UDP port */
@@ -317,8 +317,8 @@ struct pktgen_dev {
__u32 cur_dst_mac_offset;
__u32 cur_src_mac_offset;
__u32 cur_saddr;
__u32 cur_daddr;
__be32 cur_saddr;
__be32 cur_daddr;
__u16 cur_udp_dst;
__u16 cur_udp_src;
__u32 cur_pkt_size;
@@ -350,10 +350,10 @@ struct pktgen_dev {
};
struct pktgen_hdr {
__u32 pgh_magic;
__u32 seq_num;
__u32 tv_sec;
__u32 tv_usec;
__be32 pgh_magic;
__be32 seq_num;
__be32 tv_sec;
__be32 tv_usec;
};
struct pktgen_thread {
@@ -2160,7 +2160,7 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev)
for(i = 0; i < pkt_dev->nr_labels; i++)
if (pkt_dev->labels[i] & MPLS_STACK_BOTTOM)
pkt_dev->labels[i] = MPLS_STACK_BOTTOM |
(pktgen_random() &
((__force __be32)pktgen_random() &
htonl(0x000fffff));
}
@@ -2220,29 +2220,25 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev)
if (pkt_dev->cflows && pkt_dev->flows[flow].count != 0) {
pkt_dev->cur_daddr = pkt_dev->flows[flow].cur_daddr;
} else {
if ((imn = ntohl(pkt_dev->daddr_min)) < (imx =
ntohl(pkt_dev->
daddr_max)))
{
imn = ntohl(pkt_dev->daddr_min);
imx = ntohl(pkt_dev->daddr_max);
if (imn < imx) {
__u32 t;
__be32 s;
if (pkt_dev->flags & F_IPDST_RND) {
t = ((pktgen_random() % (imx - imn)) +
imn);
t = htonl(t);
t = pktgen_random() % (imx - imn) + imn;
s = htonl(t);
while (LOOPBACK(t) || MULTICAST(t)
|| BADCLASS(t) || ZERONET(t)
|| LOCAL_MCAST(t)) {
t = ((pktgen_random() %
(imx - imn)) + imn);
t = htonl(t);
while (LOOPBACK(s) || MULTICAST(s)
|| BADCLASS(s) || ZERONET(s)
|| LOCAL_MCAST(s)) {
t = (pktgen_random() %
(imx - imn)) + imn;
s = htonl(t);
}
pkt_dev->cur_daddr = t;
}
else {
pkt_dev->cur_daddr = s;
} else {
t = ntohl(pkt_dev->cur_daddr);
t++;
if (t > imx) {
@@ -2270,7 +2266,7 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev)
for (i = 0; i < 4; i++) {
pkt_dev->cur_in6_daddr.s6_addr32[i] =
((pktgen_random() |
(((__force __be32)pktgen_random() |
pkt_dev->min_in6_daddr.s6_addr32[i]) &
pkt_dev->max_in6_daddr.s6_addr32[i]);
}
@@ -2377,7 +2373,7 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev,
udph = (struct udphdr *)skb_put(skb, sizeof(struct udphdr));
memcpy(eth, pkt_dev->hh, 12);
*(u16 *) & eth[12] = protocol;
*(__be16 *) & eth[12] = protocol;
/* Eth + IPh + UDPh + mpls */
datalen = pkt_dev->cur_pkt_size - 14 - 20 - 8 -
@@ -2497,7 +2493,7 @@ static unsigned int scan_ip6(const char *s, char ip[16])
char suffix[16];
unsigned int prefixlen = 0;
unsigned int suffixlen = 0;
__u32 tmp;
__be32 tmp;
for (i = 0; i < 16; i++)
ip[i] = 0;
@@ -2713,7 +2709,7 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev,
udph = (struct udphdr *)skb_put(skb, sizeof(struct udphdr));
memcpy(eth, pkt_dev->hh, 12);
*(u16 *) & eth[12] = protocol;
*(__be16 *) & eth[12] = protocol;
/* Eth + IPh + UDPh + mpls */
datalen = pkt_dev->cur_pkt_size - 14 -
@@ -2732,11 +2728,11 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev,
udph->len = htons(datalen + sizeof(struct udphdr));
udph->check = 0; /* No checksum */
*(u32 *) iph = __constant_htonl(0x60000000); /* Version + flow */
*(__be32 *) iph = __constant_htonl(0x60000000); /* Version + flow */
if (pkt_dev->traffic_class) {
/* Version + traffic class + flow (0) */
*(u32 *)iph |= htonl(0x60000000 | (pkt_dev->traffic_class << 20));
*(__be32 *)iph |= htonl(0x60000000 | (pkt_dev->traffic_class << 20));
}
iph->hop_limit = 32;

33
net/core/request_sock.c
View File

@@ -15,6 +15,7 @@
#include <linux/random.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/vmalloc.h>
#include <net/request_sock.h>
@@ -29,22 +30,31 @@
* it is absolutely not enough even at 100conn/sec. 256 cures most
* of problems. This value is adjusted to 128 for very small machines
* (<=32Mb of memory) and to 1024 on normal or better ones (>=256Mb).
* Further increasing requires to change hash table size.
* Note : Dont forget somaxconn that may limit backlog too.
*/
int sysctl_max_syn_backlog = 256;
int reqsk_queue_alloc(struct request_sock_queue *queue,
const int nr_table_entries)
unsigned int nr_table_entries)
{
const int lopt_size = sizeof(struct listen_sock) +
nr_table_entries * sizeof(struct request_sock *);
struct listen_sock *lopt = kzalloc(lopt_size, GFP_KERNEL);
size_t lopt_size = sizeof(struct listen_sock);
struct listen_sock *lopt;
nr_table_entries = min_t(u32, nr_table_entries, sysctl_max_syn_backlog);
nr_table_entries = max_t(u32, nr_table_entries, 8);
nr_table_entries = roundup_pow_of_two(nr_table_entries + 1);
lopt_size += nr_table_entries * sizeof(struct request_sock *);
if (lopt_size > PAGE_SIZE)
lopt = __vmalloc(lopt_size,
GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO,
PAGE_KERNEL);
else
lopt = kzalloc(lopt_size, GFP_KERNEL);
if (lopt == NULL)
return -ENOMEM;
for (lopt->max_qlen_log = 6;
(1 << lopt->max_qlen_log) < sysctl_max_syn_backlog;
for (lopt->max_qlen_log = 3;
(1 << lopt->max_qlen_log) < nr_table_entries;
lopt->max_qlen_log++);
get_random_bytes(&lopt->hash_rnd, sizeof(lopt->hash_rnd));
@@ -65,9 +75,11 @@ void reqsk_queue_destroy(struct request_sock_queue *queue)
{
/* make all the listen_opt local to us */
struct listen_sock *lopt = reqsk_queue_yank_listen_sk(queue);
size_t lopt_size = sizeof(struct listen_sock) +
lopt->nr_table_entries * sizeof(struct request_sock *);
if (lopt->qlen != 0) {
int i;
unsigned int i;
for (i = 0; i < lopt->nr_table_entries; i++) {
struct request_sock *req;
@@ -81,7 +93,10 @@ void reqsk_queue_destroy(struct request_sock_queue *queue)
}
BUG_TRAP(lopt->qlen == 0);
kfree(lopt);
if (lopt_size > PAGE_SIZE)
vfree(lopt);
else
kfree(lopt);
}
EXPORT_SYMBOL(reqsk_queue_destroy);

60
net/core/rtnetlink.c
View File

@@ -108,7 +108,6 @@ static const int rtm_min[RTM_NR_FAMILIES] =
[RTM_FAM(RTM_NEWTCLASS)] = NLMSG_LENGTH(sizeof(struct tcmsg)),
[RTM_FAM(RTM_NEWTFILTER)] = NLMSG_LENGTH(sizeof(struct tcmsg)),
[RTM_FAM(RTM_NEWACTION)] = NLMSG_LENGTH(sizeof(struct tcamsg)),
[RTM_FAM(RTM_NEWPREFIX)] = NLMSG_LENGTH(sizeof(struct rtgenmsg)),
[RTM_FAM(RTM_GETMULTICAST)] = NLMSG_LENGTH(sizeof(struct rtgenmsg)),
[RTM_FAM(RTM_GETANYCAST)] = NLMSG_LENGTH(sizeof(struct rtgenmsg)),
};
@@ -213,6 +212,26 @@ nla_put_failure:
return nla_nest_cancel(skb, mx);
}
int rtnl_put_cacheinfo(struct sk_buff *skb, struct dst_entry *dst, u32 id,
u32 ts, u32 tsage, long expires, u32 error)
{
struct rta_cacheinfo ci = {
.rta_lastuse = jiffies_to_clock_t(jiffies - dst->lastuse),
.rta_used = dst->__use,
.rta_clntref = atomic_read(&(dst->__refcnt)),
.rta_error = error,
.rta_id = id,
.rta_ts = ts,
.rta_tsage = tsage,
};
if (expires)
ci.rta_expires = jiffies_to_clock_t(expires);
return nla_put(skb, RTA_CACHEINFO, sizeof(ci), &ci);
}
EXPORT_SYMBOL_GPL(rtnl_put_cacheinfo);
static void set_operstate(struct net_device *dev, unsigned char transition)
{
@@ -273,6 +292,25 @@ static void copy_rtnl_link_stats(struct rtnl_link_stats *a,
a->tx_compressed = b->tx_compressed;
};
static inline size_t if_nlmsg_size(int iwbuflen)
{
return NLMSG_ALIGN(sizeof(struct ifinfomsg))
+ nla_total_size(IFNAMSIZ) /* IFLA_IFNAME */
+ nla_total_size(IFNAMSIZ) /* IFLA_QDISC */
+ nla_total_size(sizeof(struct rtnl_link_ifmap))
+ nla_total_size(sizeof(struct rtnl_link_stats))
+ nla_total_size(MAX_ADDR_LEN) /* IFLA_ADDRESS */
+ nla_total_size(MAX_ADDR_LEN) /* IFLA_BROADCAST */
+ nla_total_size(4) /* IFLA_TXQLEN */
+ nla_total_size(4) /* IFLA_WEIGHT */
+ nla_total_size(4) /* IFLA_MTU */
+ nla_total_size(4) /* IFLA_LINK */
+ nla_total_size(4) /* IFLA_MASTER */
+ nla_total_size(1) /* IFLA_OPERSTATE */
+ nla_total_size(1) /* IFLA_LINKMODE */
+ nla_total_size(iwbuflen);
}
static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
void *iwbuf, int iwbuflen, int type, u32 pid,
u32 seq, u32 change, unsigned int flags)
@@ -558,7 +596,7 @@ static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
struct sk_buff *nskb;
char *iw_buf = NULL, *iw = NULL;
int iw_buf_len = 0;
int err, payload;
int err;
err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFLA_MAX, ifla_policy);
if (err < 0)
@@ -587,9 +625,7 @@ static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
}
#endif /* CONFIG_NET_WIRELESS_RTNETLINK */
payload = NLMSG_ALIGN(sizeof(struct ifinfomsg) +
nla_total_size(iw_buf_len));
nskb = nlmsg_new(nlmsg_total_size(payload), GFP_KERNEL);
nskb = nlmsg_new(if_nlmsg_size(iw_buf_len), GFP_KERNEL);
if (nskb == NULL) {
err = -ENOBUFS;
goto errout;
@@ -597,10 +633,8 @@ static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
err = rtnl_fill_ifinfo(nskb, dev, iw, iw_buf_len, RTM_NEWLINK,
NETLINK_CB(skb).pid, nlh->nlmsg_seq, 0, 0);
if (err <= 0) {
kfree_skb(nskb);
goto errout;
}
/* failure impilies BUG in if_nlmsg_size or wireless_rtnetlink_get */
BUG_ON(err < 0);
err = rtnl_unicast(nskb, NETLINK_CB(skb).pid);
errout:
@@ -639,15 +673,13 @@ void rtmsg_ifinfo(int type, struct net_device *dev, unsigned change)
struct sk_buff *skb;
int err = -ENOBUFS;
skb = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
skb = nlmsg_new(if_nlmsg_size(0), GFP_KERNEL);
if (skb == NULL)
goto errout;
err = rtnl_fill_ifinfo(skb, dev, NULL, 0, type, 0, 0, change, 0);
if (err < 0) {
kfree_skb(skb);
goto errout;
}
/* failure implies BUG in if_nlmsg_size() */
BUG_ON(err < 0);
err = rtnl_notify(skb, 0, RTNLGRP_LINK, NULL, GFP_KERNEL);
errout:

26
net/core/skbuff.c
View File

@@ -473,8 +473,8 @@ struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t gfp_mask)
#endif
C(protocol);
n->destructor = NULL;
C(mark);
#ifdef CONFIG_NETFILTER
C(nfmark);
C(nfct);
nf_conntrack_get(skb->nfct);
C(nfctinfo);
@@ -534,8 +534,8 @@ static void copy_skb_header(struct sk_buff *new, const struct sk_buff *old)
new->pkt_type = old->pkt_type;
new->tstamp = old->tstamp;
new->destructor = NULL;
new->mark = old->mark;
#ifdef CONFIG_NETFILTER
new->nfmark = old->nfmark;
new->nfct = old->nfct;
nf_conntrack_get(old->nfct);
new->nfctinfo = old->nfctinfo;
@@ -1240,8 +1240,8 @@ EXPORT_SYMBOL(skb_store_bits);
/* Checksum skb data. */
unsigned int skb_checksum(const struct sk_buff *skb, int offset,
int len, unsigned int csum)
__wsum skb_checksum(const struct sk_buff *skb, int offset,
int len, __wsum csum)
{
int start = skb_headlen(skb);
int i, copy = start - offset;
@@ -1265,7 +1265,7 @@ unsigned int skb_checksum(const struct sk_buff *skb, int offset,
end = start + skb_shinfo(skb)->frags[i].size;
if ((copy = end - offset) > 0) {
unsigned int csum2;
__wsum csum2;
u8 *vaddr;
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
@@ -1294,7 +1294,7 @@ unsigned int skb_checksum(const struct sk_buff *skb, int offset,
end = start + list->len;
if ((copy = end - offset) > 0) {
unsigned int csum2;
__wsum csum2;
if (copy > len)
copy = len;
csum2 = skb_checksum(list, offset - start,
@@ -1315,8 +1315,8 @@ unsigned int skb_checksum(const struct sk_buff *skb, int offset,
/* Both of above in one bottle. */
unsigned int skb_copy_and_csum_bits(const struct sk_buff *skb, int offset,
u8 *to, int len, unsigned int csum)
__wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset,
u8 *to, int len, __wsum csum)
{
int start = skb_headlen(skb);
int i, copy = start - offset;
@@ -1342,7 +1342,7 @@ unsigned int skb_copy_and_csum_bits(const struct sk_buff *skb, int offset,
end = start + skb_shinfo(skb)->frags[i].size;
if ((copy = end - offset) > 0) {
unsigned int csum2;
__wsum csum2;
u8 *vaddr;
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
@@ -1368,7 +1368,7 @@ unsigned int skb_copy_and_csum_bits(const struct sk_buff *skb, int offset,
struct sk_buff *list = skb_shinfo(skb)->frag_list;
for (; list; list = list->next) {
unsigned int csum2;
__wsum csum2;
int end;
BUG_TRAP(start <= offset + len);
@@ -1396,7 +1396,7 @@ unsigned int skb_copy_and_csum_bits(const struct sk_buff *skb, int offset,
void skb_copy_and_csum_dev(const struct sk_buff *skb, u8 *to)
{
unsigned int csum;
__wsum csum;
long csstart;
if (skb->ip_summed == CHECKSUM_PARTIAL)
@@ -1414,9 +1414,9 @@ void skb_copy_and_csum_dev(const struct sk_buff *skb, u8 *to)
skb->len - csstart, 0);
if (skb->ip_summed == CHECKSUM_PARTIAL) {
long csstuff = csstart + skb->csum;
long csstuff = csstart + skb->csum_offset;
*((unsigned short *)(to + csstuff)) = csum_fold(csum);
*((__sum16 *)(to + csstuff)) = csum_fold(csum);
}
}

13
net/core/sock.c
View File

@@ -270,7 +270,7 @@ out:
}
EXPORT_SYMBOL(sock_queue_rcv_skb);
int sk_receive_skb(struct sock *sk, struct sk_buff *skb)
int sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested)
{
int rc = NET_RX_SUCCESS;
@@ -279,7 +279,10 @@ int sk_receive_skb(struct sock *sk, struct sk_buff *skb)
skb->dev = NULL;
bh_lock_sock(sk);
if (nested)
bh_lock_sock_nested(sk);
else
bh_lock_sock(sk);
if (!sock_owned_by_user(sk)) {
/*
* trylock + unlock semantics:
@@ -1527,7 +1530,7 @@ void sock_init_data(struct socket *sock, struct sock *sk)
atomic_set(&sk->sk_refcnt, 1);
}
void fastcall lock_sock(struct sock *sk)
void fastcall lock_sock_nested(struct sock *sk, int subclass)
{
might_sleep();
spin_lock_bh(&sk->sk_lock.slock);
@@ -1538,11 +1541,11 @@ void fastcall lock_sock(struct sock *sk)
/*
* The sk_lock has mutex_lock() semantics here:
*/
mutex_acquire(&sk->sk_lock.dep_map, 0, 0, _RET_IP_);
mutex_acquire(&sk->sk_lock.dep_map, subclass, 0, _RET_IP_);
local_bh_enable();
}
EXPORT_SYMBOL(lock_sock);
EXPORT_SYMBOL(lock_sock_nested);
void fastcall release_sock(struct sock *sk)
{

14
net/core/sysctl_net_core.c
View File

@@ -21,10 +21,6 @@ extern __u32 sysctl_rmem_max;
extern int sysctl_core_destroy_delay;
#ifdef CONFIG_NET_DIVERT
extern char sysctl_divert_version[];
#endif /* CONFIG_NET_DIVERT */
#ifdef CONFIG_XFRM
extern u32 sysctl_xfrm_aevent_etime;
extern u32 sysctl_xfrm_aevent_rseqth;
@@ -105,16 +101,6 @@ ctl_table core_table[] = {
.mode = 0644,
.proc_handler = &proc_dointvec
},
#ifdef CONFIG_NET_DIVERT
{
.ctl_name = NET_CORE_DIVERT_VERSION,
.procname = "divert_version",
.data = (void *)sysctl_divert_version,
.maxlen = 32,
.mode = 0444,
.proc_handler = &proc_dostring
},
#endif /* CONFIG_NET_DIVERT */
#ifdef CONFIG_XFRM
{
.ctl_name = NET_CORE_AEVENT_ETIME,

10
net/core/utils.c
View File

@@ -88,7 +88,7 @@ EXPORT_SYMBOL(in_aton);
#define IN6PTON_NULL 0x20000000 /* first/tail */
#define IN6PTON_UNKNOWN 0x40000000
static inline int digit2bin(char c, char delim)
static inline int digit2bin(char c, int delim)
{
if (c == delim || c == '\0')
return IN6PTON_DELIM;
@@ -99,7 +99,7 @@ static inline int digit2bin(char c, char delim)
return IN6PTON_UNKNOWN;
}
static inline int xdigit2bin(char c, char delim)
static inline int xdigit2bin(char c, int delim)
{
if (c == delim || c == '\0')
return IN6PTON_DELIM;
@@ -113,12 +113,14 @@ static inline int xdigit2bin(char c, char delim)
return (IN6PTON_XDIGIT | (c - 'a' + 10));
if (c >= 'A' && c <= 'F')
return (IN6PTON_XDIGIT | (c - 'A' + 10));
if (delim == -1)
return IN6PTON_DELIM;
return IN6PTON_UNKNOWN;
}
int in4_pton(const char *src, int srclen,
u8 *dst,
char delim, const char **end)
int delim, const char **end)
{
const char *s;
u8 *d;
@@ -173,7 +175,7 @@ EXPORT_SYMBOL(in4_pton);
int in6_pton(const char *src, int srclen,
u8 *dst,
char delim, const char **end)
int delim, const char **end)
{
const char *s, *tok = NULL;
u8 *d, *dc = NULL;