提交 aa447acb 编写于 作者: L Linus Torvalds
......@@ -39,7 +39,8 @@ ifeq ($(CONFIG_ATM_FORE200E_PCA),y)
fore_200e-objs += fore200e_pca_fw.o
# guess the target endianess to choose the right PCA-200E firmware image
ifeq ($(CONFIG_ATM_FORE200E_PCA_DEFAULT_FW),y)
CONFIG_ATM_FORE200E_PCA_FW = $(shell if test -n "`$(CC) -E -dM $(src)/../../include/asm/byteorder.h | grep ' __LITTLE_ENDIAN '`"; then echo $(obj)/pca200e.bin; else echo $(obj)/pca200e_ecd.bin2; fi)
byteorder.h := include$(if $(patsubst $(srctree),,$(objtree)),2)/asm/byteorder.h
CONFIG_ATM_FORE200E_PCA_FW := $(obj)/pca200e$(if $(shell $(CC) -E -dM $(byteorder.h) | grep ' __LITTLE_ENDIAN '),.bin,_ecd.bin2)
endif
endif
......
......@@ -383,8 +383,7 @@ fore200e_shutdown(struct fore200e* fore200e)
switch(fore200e->state) {
case FORE200E_STATE_COMPLETE:
if (fore200e->stats)
kfree(fore200e->stats);
kfree(fore200e->stats);
case FORE200E_STATE_IRQ:
free_irq(fore200e->irq, fore200e->atm_dev);
......@@ -963,8 +962,7 @@ fore200e_tx_irq(struct fore200e* fore200e)
entry, txq->tail, entry->vc_map, entry->skb);
/* free copy of misaligned data */
if (entry->data)
kfree(entry->data);
kfree(entry->data);
/* remove DMA mapping */
fore200e->bus->dma_unmap(fore200e, entry->tpd->tsd[ 0 ].buffer, entry->tpd->tsd[ 0 ].length,
......
......@@ -412,8 +412,7 @@ he_init_one(struct pci_dev *pci_dev, const struct pci_device_id *pci_ent)
init_one_failure:
if (atm_dev)
atm_dev_deregister(atm_dev);
if (he_dev)
kfree(he_dev);
kfree(he_dev);
pci_disable_device(pci_dev);
return err;
}
......@@ -2534,8 +2533,7 @@ he_open(struct atm_vcc *vcc)
open_failed:
if (err) {
if (he_vcc)
kfree(he_vcc);
kfree(he_vcc);
clear_bit(ATM_VF_ADDR, &vcc->flags);
}
else
......
......@@ -676,10 +676,10 @@ static int __devinit ns_init_card(int i, struct pci_dev *pcidev)
PRINTK("nicstar%d: RSQ base at 0x%x.\n", i, (u32) card->rsq.base);
/* Initialize SCQ0, the only VBR SCQ used */
card->scq1 = (scq_info *) NULL;
card->scq2 = (scq_info *) NULL;
card->scq1 = NULL;
card->scq2 = NULL;
card->scq0 = get_scq(VBR_SCQSIZE, NS_VRSCD0);
if (card->scq0 == (scq_info *) NULL)
if (card->scq0 == NULL)
{
printk("nicstar%d: can't get SCQ0.\n", i);
error = 12;
......@@ -993,24 +993,24 @@ static scq_info *get_scq(int size, u32 scd)
int i;
if (size != VBR_SCQSIZE && size != CBR_SCQSIZE)
return (scq_info *) NULL;
return NULL;
scq = (scq_info *) kmalloc(sizeof(scq_info), GFP_KERNEL);
if (scq == (scq_info *) NULL)
return (scq_info *) NULL;
if (scq == NULL)
return NULL;
scq->org = kmalloc(2 * size, GFP_KERNEL);
if (scq->org == NULL)
{
kfree(scq);
return (scq_info *) NULL;
return NULL;
}
scq->skb = (struct sk_buff **) kmalloc(sizeof(struct sk_buff *) *
(size / NS_SCQE_SIZE), GFP_KERNEL);
if (scq->skb == (struct sk_buff **) NULL)
if (scq->skb == NULL)
{
kfree(scq->org);
kfree(scq);
return (scq_info *) NULL;
return NULL;
}
scq->num_entries = size / NS_SCQE_SIZE;
scq->base = (ns_scqe *) ALIGN_ADDRESS(scq->org, size);
......@@ -1498,7 +1498,7 @@ static int ns_open(struct atm_vcc *vcc)
vc->cbr_scd = NS_FRSCD + frscdi * NS_FRSCD_SIZE;
scq = get_scq(CBR_SCQSIZE, vc->cbr_scd);
if (scq == (scq_info *) NULL)
if (scq == NULL)
{
PRINTK("nicstar%d: can't get fixed rate SCQ.\n", card->index);
card->scd2vc[frscdi] = NULL;
......
......@@ -902,7 +902,7 @@ static void close_tx(struct atm_vcc *vcc)
zatm_dev->tx_bw += vcc->qos.txtp.min_pcr;
dealloc_shaper(vcc->dev,zatm_vcc->shaper);
}
if (zatm_vcc->ring) kfree(zatm_vcc->ring);
kfree(zatm_vcc->ring);
}
......@@ -1339,12 +1339,9 @@ static int __init zatm_start(struct atm_dev *dev)
return 0;
out:
for (i = 0; i < NR_MBX; i++)
if (zatm_dev->mbx_start[i] != 0)
kfree((void *) zatm_dev->mbx_start[i]);
if (zatm_dev->rx_map != NULL)
kfree(zatm_dev->rx_map);
if (zatm_dev->tx_map != NULL)
kfree(zatm_dev->tx_map);
kfree(zatm_dev->mbx_start[i]);
kfree(zatm_dev->rx_map);
kfree(zatm_dev->tx_map);
free_irq(zatm_dev->irq, dev);
return error;
}
......
......@@ -100,35 +100,8 @@ static int sh_debug; /* Debug flag */
#define SHAPER_BANNER "CymruNet Traffic Shaper BETA 0.04 for Linux 2.1\n"
/*
* Locking
*/
static int shaper_lock(struct shaper *sh)
{
/*
* Lock in an interrupt must fail
*/
while (test_and_set_bit(0, &sh->locked))
{
if (!in_interrupt())
sleep_on(&sh->wait_queue);
else
return 0;
}
return 1;
}
static void shaper_kick(struct shaper *sh);
static void shaper_unlock(struct shaper *sh)
{
clear_bit(0, &sh->locked);
wake_up(&sh->wait_queue);
shaper_kick(sh);
}
/*
* Compute clocks on a buffer
*/
......@@ -157,17 +130,15 @@ static void shaper_setspeed(struct shaper *shaper, int bitspersec)
* Throw a frame at a shaper.
*/
static int shaper_qframe(struct shaper *shaper, struct sk_buff *skb)
static int shaper_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct shaper *shaper = dev->priv;
struct sk_buff *ptr;
/*
* Get ready to work on this shaper. Lock may fail if its
* an interrupt and locked.
*/
if(!shaper_lock(shaper))
return -1;
if (down_trylock(&shaper->sem))
return -1;
ptr=shaper->sendq.prev;
/*
......@@ -260,7 +231,8 @@ static int shaper_qframe(struct shaper *shaper, struct sk_buff *skb)
dev_kfree_skb(ptr);
shaper->stats.collisions++;
}
shaper_unlock(shaper);
shaper_kick(shaper);
up(&shaper->sem);
return 0;
}
......@@ -297,8 +269,13 @@ static void shaper_queue_xmit(struct shaper *shaper, struct sk_buff *skb)
static void shaper_timer(unsigned long data)
{
struct shaper *sh=(struct shaper *)data;
shaper_kick(sh);
struct shaper *shaper = (struct shaper *)data;
if (!down_trylock(&shaper->sem)) {
shaper_kick(shaper);
up(&shaper->sem);
} else
mod_timer(&shaper->timer, jiffies);
}
/*
......@@ -310,19 +287,6 @@ static void shaper_kick(struct shaper *shaper)
{
struct sk_buff *skb;
/*
* Shaper unlock will kick
*/
if (test_and_set_bit(0, &shaper->locked))
{
if(sh_debug)
printk("Shaper locked.\n");
mod_timer(&shaper->timer, jiffies);
return;
}
/*
* Walk the list (may be empty)
*/
......@@ -364,8 +328,6 @@ static void shaper_kick(struct shaper *shaper)
if(skb!=NULL)
mod_timer(&shaper->timer, SHAPERCB(skb)->shapeclock);
clear_bit(0, &shaper->locked);
}
......@@ -376,14 +338,12 @@ static void shaper_kick(struct shaper *shaper)
static void shaper_flush(struct shaper *shaper)
{
struct sk_buff *skb;
if(!shaper_lock(shaper))
{
printk(KERN_ERR "shaper: shaper_flush() called by an irq!\n");
return;
}
down(&shaper->sem);
while((skb=skb_dequeue(&shaper->sendq))!=NULL)
dev_kfree_skb(skb);
shaper_unlock(shaper);
shaper_kick(shaper);
up(&shaper->sem);
}
/*
......@@ -426,13 +386,6 @@ static int shaper_close(struct net_device *dev)
* ARP and other resolutions and not before.
*/
static int shaper_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct shaper *sh=dev->priv;
return shaper_qframe(sh, skb);
}
static struct net_device_stats *shaper_get_stats(struct net_device *dev)
{
struct shaper *sh=dev->priv;
......@@ -623,7 +576,6 @@ static void shaper_init_priv(struct net_device *dev)
init_timer(&sh->timer);
sh->timer.function=shaper_timer;
sh->timer.data=(unsigned long)sh;
init_waitqueue_head(&sh->wait_queue);
}
/*
......
......@@ -23,7 +23,7 @@ struct shaper
__u32 shapeclock;
unsigned long recovery; /* Time we can next clock a packet out on
an empty queue */
unsigned long locked;
struct semaphore sem;
struct net_device_stats stats;
struct net_device *dev;
int (*hard_start_xmit) (struct sk_buff *skb,
......@@ -38,7 +38,6 @@ struct shaper
int (*hard_header_cache)(struct neighbour *neigh, struct hh_cache *hh);
void (*header_cache_update)(struct hh_cache *hh, struct net_device *dev, unsigned char * haddr);
struct net_device_stats* (*get_stats)(struct net_device *dev);
wait_queue_head_t wait_queue;
struct timer_list timer;
};
......
......@@ -204,7 +204,7 @@ struct hh_cache
/* cached hardware header; allow for machine alignment needs. */
#define HH_DATA_MOD 16
#define HH_DATA_OFF(__len) \
(HH_DATA_MOD - ((__len) & (HH_DATA_MOD - 1)))
(HH_DATA_MOD - (((__len - 1) & (HH_DATA_MOD - 1)) + 1))
#define HH_DATA_ALIGN(__len) \
(((__len)+(HH_DATA_MOD-1))&~(HH_DATA_MOD - 1))
unsigned long hh_data[HH_DATA_ALIGN(LL_MAX_HEADER) / sizeof(long)];
......
......@@ -11,7 +11,7 @@ ip_vs_proto-objs-$(CONFIG_IP_VS_PROTO_AH) += ip_vs_proto_ah.o
ip_vs-objs := ip_vs_conn.o ip_vs_core.o ip_vs_ctl.o ip_vs_sched.o \
ip_vs_xmit.o ip_vs_app.o ip_vs_sync.o \
ip_vs_est.o ip_vs_proto.o ip_vs_proto_icmp.o \
ip_vs_est.o ip_vs_proto.o \
$(ip_vs_proto-objs-y)
......
......@@ -216,9 +216,6 @@ int ip_vs_protocol_init(void)
#ifdef CONFIG_IP_VS_PROTO_UDP
REGISTER_PROTOCOL(&ip_vs_protocol_udp);
#endif
#ifdef CONFIG_IP_VS_PROTO_ICMP
REGISTER_PROTOCOL(&ip_vs_protocol_icmp);
#endif
#ifdef CONFIG_IP_VS_PROTO_AH
REGISTER_PROTOCOL(&ip_vs_protocol_ah);
#endif
......
/*
* ip_vs_proto_icmp.c: ICMP load balancing support for IP Virtual Server
*
* Authors: Julian Anastasov <ja@ssi.bg>, March 2002
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation;
*
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/icmp.h>
#include <linux/netfilter.h>
#include <linux/netfilter_ipv4.h>
#include <net/ip_vs.h>
static int icmp_timeouts[1] = { 1*60*HZ };
static char * icmp_state_name_table[1] = { "ICMP" };
static struct ip_vs_conn *
icmp_conn_in_get(const struct sk_buff *skb,
struct ip_vs_protocol *pp,
const struct iphdr *iph,
unsigned int proto_off,
int inverse)
{
#if 0
struct ip_vs_conn *cp;
if (likely(!inverse)) {
cp = ip_vs_conn_in_get(iph->protocol,
iph->saddr, 0,
iph->daddr, 0);
} else {
cp = ip_vs_conn_in_get(iph->protocol,
iph->daddr, 0,
iph->saddr, 0);
}
return cp;
#else
return NULL;
#endif
}
static struct ip_vs_conn *
icmp_conn_out_get(const struct sk_buff *skb,
struct ip_vs_protocol *pp,
const struct iphdr *iph,
unsigned int proto_off,
int inverse)
{
#if 0
struct ip_vs_conn *cp;
if (likely(!inverse)) {
cp = ip_vs_conn_out_get(iph->protocol,
iph->saddr, 0,
iph->daddr, 0);
} else {
cp = ip_vs_conn_out_get(IPPROTO_UDP,
iph->daddr, 0,
iph->saddr, 0);
}
return cp;
#else
return NULL;
#endif
}
static int
icmp_conn_schedule(struct sk_buff *skb, struct ip_vs_protocol *pp,
int *verdict, struct ip_vs_conn **cpp)
{
*verdict = NF_ACCEPT;
return 0;
}
static int
icmp_csum_check(struct sk_buff *skb, struct ip_vs_protocol *pp)
{
if (!(skb->nh.iph->frag_off & __constant_htons(IP_OFFSET))) {
if (skb->ip_summed != CHECKSUM_UNNECESSARY) {
if (ip_vs_checksum_complete(skb, skb->nh.iph->ihl * 4)) {
IP_VS_DBG_RL_PKT(0, pp, skb, 0, "Failed checksum for");
return 0;
}
}
}
return 1;
}
static void
icmp_debug_packet(struct ip_vs_protocol *pp,
const struct sk_buff *skb,
int offset,
const char *msg)
{
char buf[256];
struct iphdr _iph, *ih;
ih = skb_header_pointer(skb, offset, sizeof(_iph), &_iph);
if (ih == NULL)
sprintf(buf, "%s TRUNCATED", pp->name);
else if (ih->frag_off & __constant_htons(IP_OFFSET))
sprintf(buf, "%s %u.%u.%u.%u->%u.%u.%u.%u frag",
pp->name, NIPQUAD(ih->saddr),
NIPQUAD(ih->daddr));
else {
struct icmphdr _icmph, *ic;
ic = skb_header_pointer(skb, offset + ih->ihl*4,
sizeof(_icmph), &_icmph);
if (ic == NULL)
sprintf(buf, "%s TRUNCATED to %u bytes\n",
pp->name, skb->len - offset);
else
sprintf(buf, "%s %u.%u.%u.%u->%u.%u.%u.%u T:%d C:%d",
pp->name, NIPQUAD(ih->saddr),
NIPQUAD(ih->daddr),
ic->type, ic->code);
}
printk(KERN_DEBUG "IPVS: %s: %s\n", msg, buf);
}
static int
icmp_state_transition(struct ip_vs_conn *cp, int direction,
const struct sk_buff *skb,
struct ip_vs_protocol *pp)
{
cp->timeout = pp->timeout_table[IP_VS_ICMP_S_NORMAL];
return 1;
}
static int
icmp_set_state_timeout(struct ip_vs_protocol *pp, char *sname, int to)
{
int num;
char **names;
num = IP_VS_ICMP_S_LAST;
names = icmp_state_name_table;
return ip_vs_set_state_timeout(pp->timeout_table, num, names, sname, to);
}
static void icmp_init(struct ip_vs_protocol *pp)
{
pp->timeout_table = icmp_timeouts;
}
static void icmp_exit(struct ip_vs_protocol *pp)
{
}
struct ip_vs_protocol ip_vs_protocol_icmp = {
.name = "ICMP",
.protocol = IPPROTO_ICMP,
.dont_defrag = 0,
.init = icmp_init,
.exit = icmp_exit,
.conn_schedule = icmp_conn_schedule,
.conn_in_get = icmp_conn_in_get,
.conn_out_get = icmp_conn_out_get,
.snat_handler = NULL,
.dnat_handler = NULL,
.csum_check = icmp_csum_check,
.state_transition = icmp_state_transition,
.register_app = NULL,
.unregister_app = NULL,
.app_conn_bind = NULL,
.debug_packet = icmp_debug_packet,
.timeout_change = NULL,
.set_state_timeout = icmp_set_state_timeout,
};
......@@ -37,5 +37,4 @@ EXPORT_SYMBOL(in6_dev_finish_destroy);
EXPORT_SYMBOL(xfrm6_rcv);
#endif
EXPORT_SYMBOL(rt6_lookup);
EXPORT_SYMBOL(fl6_sock_lookup);
EXPORT_SYMBOL(ipv6_push_nfrag_opts);
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