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Commit cb84e0b3 authored by Linus Torvalds's avatar Linus Torvalds
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Merge bk://kernel.bkbits.net/davem/net-2.5 

into home.transmeta.com:/home/torvalds/v2.5/linux
parents cfa89a3e b798ab6d
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Inline Side-by-side
Showing with 617 additions and 521 deletions
drivers/atm/atmtcp.c
View file @ cb84e0b3
......@@ -153,9 +153,10 @@ static void atmtcp_v_close(struct atm_vcc *vcc)
static int atmtcp_v_ioctl(struct atm_dev *dev,unsigned int cmd,void *arg)
{
unsigned long flags;
struct atm_cirange ci;
struct atm_vcc *vcc;
struct hlist_node *node;
struct sock *s;
if (cmd != ATM_SETCIRANGE) return -ENOIOCTLCMD;
if (copy_from_user(&ci,(void *) arg,sizeof(ci))) return -EFAULT;
......@@ -163,14 +164,18 @@ static int atmtcp_v_ioctl(struct atm_dev *dev,unsigned int cmd,void *arg)
if (ci.vci_bits == ATM_CI_MAX) ci.vci_bits = MAX_VCI_BITS;
if (ci.vpi_bits > MAX_VPI_BITS || ci.vpi_bits < 0 ||
ci.vci_bits > MAX_VCI_BITS || ci.vci_bits < 0) return -EINVAL;
spin_lock_irqsave(&dev->lock, flags);
for (vcc = dev->vccs; vcc; vcc = vcc->next)
read_lock(&vcc_sklist_lock);
sk_for_each(s, node, &vcc_sklist) {
vcc = atm_sk(s);
if (vcc->dev != dev)
continue;
if ((vcc->vpi >> ci.vpi_bits) ||
(vcc->vci >> ci.vci_bits)) {
spin_unlock_irqrestore(&dev->lock, flags);
read_unlock(&vcc_sklist_lock);
return -EBUSY;
}
spin_unlock_irqrestore(&dev->lock, flags);
}
read_unlock(&vcc_sklist_lock);
dev->ci_range = ci;
return 0;
}
......@@ -233,9 +238,10 @@ static int atmtcp_v_proc(struct atm_dev *dev,loff_t *pos,char *page)
static void atmtcp_c_close(struct atm_vcc *vcc)
{
unsigned long flags;
struct atm_dev *atmtcp_dev;
struct atmtcp_dev_data *dev_data;
struct sock *s;
struct hlist_node *node;
struct atm_vcc *walk;
atmtcp_dev = (struct atm_dev *) vcc->dev_data;
......@@ -246,19 +252,24 @@ static void atmtcp_c_close(struct atm_vcc *vcc)
kfree(dev_data);
shutdown_atm_dev(atmtcp_dev);
vcc->dev_data = NULL;
spin_lock_irqsave(&atmtcp_dev->lock, flags);
for (walk = atmtcp_dev->vccs; walk; walk = walk->next)
read_lock(&vcc_sklist_lock);
sk_for_each(s, node, &vcc_sklist) {
walk = atm_sk(s);
if (walk->dev != atmtcp_dev)
continue;
wake_up(&walk->sleep);
spin_unlock_irqrestore(&atmtcp_dev->lock, flags);
}
read_unlock(&vcc_sklist_lock);
}
static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb)
{
unsigned long flags;
struct atm_dev *dev;
struct atmtcp_hdr *hdr;
struct atm_vcc *out_vcc;
struct sock *s;
struct hlist_node *node;
struct atm_vcc *out_vcc = NULL;
struct sk_buff *new_skb;
int result = 0;
......@@ -270,13 +281,17 @@ static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb)
(struct atmtcp_control *) skb->data);
goto done;
}
spin_lock_irqsave(&dev->lock, flags);
for (out_vcc = dev->vccs; out_vcc; out_vcc = out_vcc->next)
read_lock(&vcc_sklist_lock);
sk_for_each(s, node, &vcc_sklist) {
out_vcc = atm_sk(s);
if (out_vcc->dev != dev)
continue;
if (out_vcc->vpi == ntohs(hdr->vpi) &&
out_vcc->vci == ntohs(hdr->vci) &&
out_vcc->qos.rxtp.traffic_class != ATM_NONE)
break;
spin_unlock_irqrestore(&dev->lock, flags);
}
read_unlock(&vcc_sklist_lock);
if (!out_vcc) {
atomic_inc(&vcc->stats->tx_err);
goto done;
......@@ -366,7 +381,7 @@ int atmtcp_attach(struct atm_vcc *vcc,int itf)
if (itf != -1) dev = atm_dev_lookup(itf);
if (dev) {
if (dev->ops != &atmtcp_v_dev_ops) {
atm_dev_release(dev);
atm_dev_put(dev);
return -EMEDIUMTYPE;
}
if (PRIV(dev)->vcc) return -EBUSY;
......@@ -378,7 +393,8 @@ int atmtcp_attach(struct atm_vcc *vcc,int itf)
if (error) return error;
}
PRIV(dev)->vcc = vcc;
bind_vcc(vcc,&atmtcp_control_dev);
vcc->dev = &atmtcp_control_dev;
vcc_insert_socket(vcc->sk);
set_bit(ATM_VF_META,&vcc->flags);
set_bit(ATM_VF_READY,&vcc->flags);
vcc->dev_data = dev;
......@@ -402,7 +418,7 @@ int atmtcp_remove_persistent(int itf)
dev = atm_dev_lookup(itf);
if (!dev) return -ENODEV;
if (dev->ops != &atmtcp_v_dev_ops) {
atm_dev_release(dev);
atm_dev_put(dev);
return -EMEDIUMTYPE;
}
dev_data = PRIV(dev);
......@@ -410,7 +426,7 @@ int atmtcp_remove_persistent(int itf)
dev_data->persist = 0;
if (PRIV(dev)->vcc) return 0;
kfree(dev_data);
atm_dev_release(dev);
atm_dev_put(dev);
shutdown_atm_dev(dev);
return 0;
}
......
drivers/atm/eni.c
View file @ cb84e0b3
......@@ -1887,10 +1887,11 @@ static void eni_close(struct atm_vcc *vcc)
static int get_ci(struct atm_vcc *vcc,short *vpi,int *vci)
{
unsigned long flags;
struct sock *s;
struct hlist_node *node;
struct atm_vcc *walk;
spin_lock_irqsave(&vcc->dev->lock, flags);
read_lock(&vcc_sklist_lock);
if (*vpi == ATM_VPI_ANY) *vpi = 0;
if (*vci == ATM_VCI_ANY) {
for (*vci = ATM_NOT_RSV_VCI; *vci < NR_VCI; (*vci)++) {
......@@ -1898,40 +1899,48 @@ static int get_ci(struct atm_vcc *vcc,short *vpi,int *vci)
ENI_DEV(vcc->dev)->rx_map[*vci])
continue;
if (vcc->qos.txtp.traffic_class != ATM_NONE) {
for (walk = vcc->dev->vccs; walk;
walk = walk->next)
sk_for_each(s, node, &vcc_sklist) {
walk = atm_sk(s);
if (walk->dev != vcc->dev)
continue;
if (test_bit(ATM_VF_ADDR,&walk->flags)
&& walk->vci == *vci &&
walk->qos.txtp.traffic_class !=
ATM_NONE)
break;
if (walk) continue;
}
if (node)
continue;
}
break;
}
spin_unlock_irqrestore(&vcc->dev->lock, flags);
read_unlock(&vcc_sklist_lock);
return *vci == NR_VCI ? -EADDRINUSE : 0;
}
if (*vci == ATM_VCI_UNSPEC) {
spin_unlock_irqrestore(&vcc->dev->lock, flags);
read_unlock(&vcc_sklist_lock);
return 0;
}
if (vcc->qos.rxtp.traffic_class != ATM_NONE &&
ENI_DEV(vcc->dev)->rx_map[*vci]) {
spin_unlock_irqrestore(&vcc->dev->lock, flags);
read_unlock(&vcc_sklist_lock);
return -EADDRINUSE;
}
if (vcc->qos.txtp.traffic_class == ATM_NONE) {
spin_unlock_irqrestore(&vcc->dev->lock, flags);
read_unlock(&vcc_sklist_lock);
return 0;
}
for (walk = vcc->dev->vccs; walk; walk = walk->next)
sk_for_each(s, node, &vcc_sklist) {
walk = atm_sk(s);
if (walk->dev != vcc->dev)
continue;
if (test_bit(ATM_VF_ADDR,&walk->flags) && walk->vci == *vci &&
walk->qos.txtp.traffic_class != ATM_NONE) {
spin_unlock_irqrestore(&vcc->dev->lock, flags);
read_unlock(&vcc_sklist_lock);
return -EADDRINUSE;
}
spin_unlock_irqrestore(&vcc->dev->lock, flags);
}
read_unlock(&vcc_sklist_lock);
return 0;
}
......@@ -2139,7 +2148,8 @@ static unsigned char eni_phy_get(struct atm_dev *dev,unsigned long addr)
static int eni_proc_read(struct atm_dev *dev,loff_t *pos,char *page)
{
unsigned long flags;
struct hlist_node *node;
struct sock *s;
static const char *signal[] = { "LOST","unknown","okay" };
struct eni_dev *eni_dev = ENI_DEV(dev);
struct atm_vcc *vcc;
......@@ -2212,11 +2222,15 @@ static int eni_proc_read(struct atm_dev *dev,loff_t *pos,char *page)
return sprintf(page,"%10sbacklog %u packets\n","",
skb_queue_len(&tx->backlog));
}
spin_lock_irqsave(&dev->lock, flags);
for (vcc = dev->vccs; vcc; vcc = vcc->next) {
struct eni_vcc *eni_vcc = ENI_VCC(vcc);
read_lock(&vcc_sklist_lock);
sk_for_each(s, node, &vcc_sklist) {
struct eni_vcc *eni_vcc;
int length;
vcc = atm_sk(s);
if (vcc->dev != dev)
continue;
eni_vcc = ENI_VCC(vcc);
if (--left) continue;
length = sprintf(page,"vcc %4d: ",vcc->vci);
if (eni_vcc->rx) {
......@@ -2231,10 +2245,10 @@ static int eni_proc_read(struct atm_dev *dev,loff_t *pos,char *page)
length += sprintf(page+length,"tx[%d], txing %d bytes",
eni_vcc->tx->index,eni_vcc->txing);
page[length] = '\n';
spin_unlock_irqrestore(&dev->lock, flags);
read_unlock(&vcc_sklist_lock);
return length+1;
}
spin_unlock_irqrestore(&dev->lock, flags);
read_unlock(&vcc_sklist_lock);
for (i = 0; i < eni_dev->free_len; i++) {
struct eni_free *fe = eni_dev->free_list+i;
unsigned long offset;
......
drivers/atm/fore200e.c
View file @ cb84e0b3
......@@ -1069,18 +1069,23 @@ fore200e_supply(struct fore200e* fore200e)
static struct atm_vcc*
fore200e_find_vcc(struct fore200e* fore200e, struct rpd* rpd)
{
unsigned long flags;
struct sock *s;
struct atm_vcc* vcc;
spin_lock_irqsave(&fore200e->atm_dev->lock, flags);
for (vcc = fore200e->atm_dev->vccs; vcc; vcc = vcc->next) {
if (vcc->vpi == rpd->atm_header.vpi && vcc->vci == rpd->atm_header.vci)
break;
struct hlist_node *node;
read_lock(&vcc_sklist_lock);
sk_for_each(s, node, &vcc_sklist) {
vcc = atm_sk(s);
if (vcc->dev != fore200e->atm_dev)
continue;
if (vcc->vpi == rpd->atm_header.vpi && vcc->vci == rpd->atm_header.vci) {
read_unlock(&vcc_sklist_lock);
return vcc;
}
spin_unlock_irqrestore(&fore200e->atm_dev->lock, flags);
}
read_unlock(&vcc_sklist_lock);
return vcc;
return NULL;
}
......@@ -1350,20 +1355,26 @@ fore200e_activate_vcin(struct fore200e* fore200e, int activate, struct atm_vcc*
static int
fore200e_walk_vccs(struct atm_vcc *vcc, short *vpi, int *vci)
{
unsigned long flags;
struct atm_vcc* walk;
struct sock *s;
struct hlist_node *node;
/* find a free VPI */
spin_lock_irqsave(&vcc->dev->lock, flags);
read_lock(&vcc_sklist_lock);
if (*vpi == ATM_VPI_ANY) {
for (*vpi = 0, walk = vcc->dev->vccs; walk; walk = walk->next) {
*vpi = 0;
restart_vpi_search:
sk_for_each(s, node, &vcc_sklist) {
walk = atm_sk(s);
if (walk->dev != vcc->dev)
continue;
if ((walk->vci == *vci) && (walk->vpi == *vpi)) {
(*vpi)++;
walk = vcc->dev->vccs;
goto restart_vpi_search;
}
}
}
......@@ -1371,16 +1382,21 @@ fore200e_walk_vccs(struct atm_vcc *vcc, short *vpi, int *vci)
/* find a free VCI */
if (*vci == ATM_VCI_ANY) {
for (*vci = ATM_NOT_RSV_VCI, walk = vcc->dev->vccs; walk; walk = walk->next) {
*vci = ATM_NOT_RSV_VCI;
restart_vci_search:
sk_for_each(s, node, &vcc_sklist) {
walk = atm_sk(s);
if (walk->dev != vcc->dev)
continue;
if ((walk->vpi = *vpi) && (walk->vci == *vci)) {
*vci = walk->vci + 1;
walk = vcc->dev->vccs;
goto restart_vci_search;
}
}
}
spin_unlock_irqrestore(&vcc->dev->lock, flags);
read_unlock(&vcc_sklist_lock);
return 0;
}
......@@ -2642,7 +2658,8 @@ fore200e_module_cleanup(void)
static int
fore200e_proc_read(struct atm_dev *dev,loff_t* pos,char* page)
{
unsigned long flags;
struct sock *s;
struct hlist_node *node;
struct fore200e* fore200e = FORE200E_DEV(dev);
int len, left = *pos;
......@@ -2889,8 +2906,12 @@ fore200e_proc_read(struct atm_dev *dev,loff_t* pos,char* page)
len = sprintf(page,"\n"
" VCCs:\n address\tVPI.VCI:AAL\t(min/max tx PDU size) (min/max rx PDU size)\n");
spin_lock_irqsave(&fore200e->atm_dev->lock, flags);
for (vcc = fore200e->atm_dev->vccs; vcc; vcc = vcc->next) {
read_lock(&vcc_sklist_lock);
sk_for_each(s, node, &vcc_sklist) {
vcc = atm_sk(s);
if (vcc->dev != fore200e->atm_dev)
continue;
fore200e_vcc = FORE200E_VCC(vcc);
......@@ -2904,7 +2925,7 @@ fore200e_proc_read(struct atm_dev *dev,loff_t* pos,char* page)
fore200e_vcc->rx_max_pdu
);
}
spin_unlock_irqrestore(&fore200e->atm_dev->lock, flags);
read_unlock(&vcc_sklist_lock);
return len;
}
......
drivers/atm/he.c
View file @ cb84e0b3
......@@ -79,7 +79,6 @@
#include <linux/sonet.h>
#define USE_TASKLET
#define USE_HE_FIND_VCC
#undef USE_SCATTERGATHER
#undef USE_CHECKSUM_HW /* still confused about this */
#define USE_RBPS
......@@ -328,25 +327,25 @@ he_readl_internal(struct he_dev *he_dev, unsigned addr, unsigned flags)
he_writel_rcm(dev, val, 0x00000 | (cid << 3) | 7)
static __inline__ struct atm_vcc*
he_find_vcc(struct he_dev *he_dev, unsigned cid)
__find_vcc(struct he_dev *he_dev, unsigned cid)
{
unsigned long flags;
struct atm_vcc *vcc;
struct hlist_node *node;
struct sock *s;
short vpi;
int vci;
vpi = cid >> he_dev->vcibits;
vci = cid & ((1 << he_dev->vcibits) - 1);
spin_lock_irqsave(&he_dev->atm_dev->lock, flags);
for (vcc = he_dev->atm_dev->vccs; vcc; vcc = vcc->next)
if (vcc->vci == vci && vcc->vpi == vpi
&& vcc->qos.rxtp.traffic_class != ATM_NONE) {
spin_unlock_irqrestore(&he_dev->atm_dev->lock, flags);
sk_for_each(s, node, &vcc_sklist) {
vcc = atm_sk(s);
if (vcc->dev == he_dev->atm_dev &&
vcc->vci == vci && vcc->vpi == vpi &&
vcc->qos.rxtp.traffic_class != ATM_NONE) {
return vcc;
}
spin_unlock_irqrestore(&he_dev->atm_dev->lock, flags);
}
return NULL;
}
......@@ -1566,17 +1565,6 @@ he_start(struct atm_dev *dev)
reg |= RX_ENABLE;
he_writel(he_dev, reg, RC_CONFIG);
#ifndef USE_HE_FIND_VCC
he_dev->he_vcc_table = kmalloc(sizeof(struct he_vcc_table) *
(1 << (he_dev->vcibits + he_dev->vpibits)), GFP_KERNEL);
if (he_dev->he_vcc_table == NULL) {
hprintk("failed to alloc he_vcc_table\n");
return -ENOMEM;
}
memset(he_dev->he_vcc_table, 0, sizeof(struct he_vcc_table) *
(1 << (he_dev->vcibits + he_dev->vpibits)));
#endif
for (i = 0; i < HE_NUM_CS_STPER; ++i) {
he_dev->cs_stper[i].inuse = 0;
he_dev->cs_stper[i].pcr = -1;
......@@ -1712,11 +1700,6 @@ he_stop(struct he_dev *he_dev)
he_dev->tpd_base, he_dev->tpd_base_phys);
#endif
#ifndef USE_HE_FIND_VCC
if (he_dev->he_vcc_table)
kfree(he_dev->he_vcc_table);
#endif
if (he_dev->pci_dev) {
pci_read_config_word(he_dev->pci_dev, PCI_COMMAND, &command);
command &= ~(PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
......@@ -1798,6 +1781,7 @@ he_service_rbrq(struct he_dev *he_dev, int group)
int pdus_assembled = 0;
int updated = 0;
read_lock(&vcc_sklist_lock);
while (he_dev->rbrq_head != rbrq_tail) {
++updated;
......@@ -1823,13 +1807,10 @@ he_service_rbrq(struct he_dev *he_dev, int group)
buf_len = RBRQ_BUFLEN(he_dev->rbrq_head) * 4;
cid = RBRQ_CID(he_dev->rbrq_head);
#ifdef USE_HE_FIND_VCC
if (cid != lastcid)
vcc = he_find_vcc(he_dev, cid);
vcc = __find_vcc(he_dev, cid);
lastcid = cid;
#else
vcc = HE_LOOKUP_VCC(he_dev, cid);
#endif
if (vcc == NULL) {
hprintk("vcc == NULL (cid 0x%x)\n", cid);
if (!RBRQ_HBUF_ERR(he_dev->rbrq_head))
......@@ -1966,6 +1947,7 @@ he_service_rbrq(struct he_dev *he_dev, int group)
RBRQ_MASK(++he_dev->rbrq_head));
}
read_unlock(&vcc_sklist_lock);
if (updated) {
if (updated > he_dev->rbrq_peak)
......@@ -2565,10 +2547,6 @@ he_open(struct atm_vcc *vcc, short vpi, int vci)
#endif
spin_unlock_irqrestore(&he_dev->global_lock, flags);
#ifndef USE_HE_FIND_VCC
HE_LOOKUP_VCC(he_dev, cid) = vcc;
#endif
}
open_failed:
......@@ -2634,9 +2612,6 @@ he_close(struct atm_vcc *vcc)
if (timeout == 0)
hprintk("close rx timeout cid 0x%x\n", cid);
#ifndef USE_HE_FIND_VCC
HE_LOOKUP_VCC(he_dev, cid) = NULL;
#endif
HPRINTK("close rx cid 0x%x complete\n", cid);
}
......
drivers/atm/idt77252.c
View file @ cb84e0b3
......@@ -2403,37 +2403,43 @@ idt77252_init_rx(struct idt77252_dev *card, struct vc_map *vc,
static int
idt77252_find_vcc(struct atm_vcc *vcc, short *vpi, int *vci)
{
unsigned long flags;
struct sock *s;
struct atm_vcc *walk;
spin_lock_irqsave(&vcc->dev->lock, flags);
read_lock(&vcc_sklist_lock);
if (*vpi == ATM_VPI_ANY) {
*vpi = 0;
walk = vcc->dev->vccs;
while (walk) {
s = sk_head(&vcc_sklist);
while (s) {
walk = atm_sk(s);
if (walk->dev != vcc->dev)
continue;
if ((walk->vci == *vci) && (walk->vpi == *vpi)) {
(*vpi)++;
walk = vcc->dev->vccs;
s = sk_head(&vcc_sklist);
continue;
}
walk = walk->next;
s = sk_next(s);
}
}
if (*vci == ATM_VCI_ANY) {
*vci = ATM_NOT_RSV_VCI;
walk = vcc->dev->vccs;
while (walk) {
s = sk_head(&vcc_sklist);
while (s) {
walk = atm_sk(s);
if (walk->dev != vcc->dev)
continue;
if ((walk->vci == *vci) && (walk->vpi == *vpi)) {
(*vci)++;
walk = vcc->dev->vccs;
s = sk_head(&vcc_sklist);
continue;
}
walk = walk->next;
s = sk_next(s);
}
}
spin_unlock_irqrestore(&vcc->dev->lock, flags);
read_unlock(&vcc_sklist_lock);
return 0;
}
......
drivers/net/ppp_generic.c
View file @ cb84e0b3
......@@ -1348,9 +1348,16 @@ ppp_input(struct ppp_channel *chan, struct sk_buff *skb)
struct channel *pch = chan->ppp;
int proto;
if (pch == 0 || skb->len == 0) {
kfree_skb(skb);
return;
if (pch == 0)
goto drop;
/* need to have PPP header */
if (!pskb_may_pull(skb, 2)) {
if (pch->ppp) {
++pch->ppp->stats.rx_length_errors;
ppp_receive_error(pch->ppp);
}
goto drop;
}
proto = PPP_PROTO(skb);
......@@ -1367,6 +1374,10 @@ ppp_input(struct ppp_channel *chan, struct sk_buff *skb)
ppp_do_recv(pch->ppp, skb, pch);
}
read_unlock_bh(&pch->upl);
return;
drop:
kfree_skb(skb);
return;
}
/* Put a 0-length skb in the receive queue as an error indication */
......@@ -1398,7 +1409,6 @@ ppp_input_error(struct ppp_channel *chan, int code)
static void
ppp_receive_frame(struct ppp *ppp, struct sk_buff *skb, struct channel *pch)
{
if (skb->len >= 2) {
#ifdef CONFIG_PPP_MULTILINK
/* XXX do channel-level decompression here */
if (PPP_PROTO(skb) == PPP_MP)
......@@ -1406,15 +1416,6 @@ ppp_receive_frame(struct ppp *ppp, struct sk_buff *skb, struct channel *pch)
else
#endif /* CONFIG_PPP_MULTILINK */
ppp_receive_nonmp_frame(ppp, skb);
return;
}
if (skb->len > 0)
/* note: a 0-length skb is used as an error indication */
++ppp->stats.rx_length_errors;
kfree_skb(skb);
ppp_receive_error(ppp);
}
static void
......@@ -1446,7 +1447,8 @@ ppp_receive_nonmp_frame(struct ppp *ppp, struct sk_buff *skb)
/* decompress VJ compressed packets */
if (ppp->vj == 0 || (ppp->flags & SC_REJ_COMP_TCP))
goto err;
if (skb_tailroom(skb) < 124) {
if (skb_tailroom(skb) < 124 || skb_is_nonlinear(skb) ) {
/* copy to a new sk_buff with more tailroom */
ns = dev_alloc_skb(skb->len + 128);
if (ns == 0) {
......@@ -1474,6 +1476,13 @@ ppp_receive_nonmp_frame(struct ppp *ppp, struct sk_buff *skb)
case PPP_VJC_UNCOMP:
if (ppp->vj == 0 || (ppp->flags & SC_REJ_COMP_TCP))
goto err;
/* Until we fix the decompressor need to make sure
* data portion is linear.
*/
if (!pskb_may_pull(skb, skb->len))
goto err;
if (slhc_remember(ppp->vj, skb->data + 2, skb->len - 2) <= 0) {
printk(KERN_ERR "PPP: VJ uncompressed error\n");
goto err;
......@@ -1551,6 +1560,12 @@ ppp_decompress_frame(struct ppp *ppp, struct sk_buff *skb)
struct sk_buff *ns;
int len;
/* Until we fix all the decompressor's need to make sure
* data portion is linear.
*/
if (!pskb_may_pull(skb, skb->len))
goto err;
if (proto == PPP_COMP) {
ns = dev_alloc_skb(ppp->mru + PPP_HDRLEN);
if (ns == 0) {
......@@ -1603,7 +1618,7 @@ ppp_receive_mp_frame(struct ppp *ppp, struct sk_buff *skb, struct channel *pch)
struct list_head *l;
int mphdrlen = (ppp->flags & SC_MP_SHORTSEQ)? MPHDRLEN_SSN: MPHDRLEN;
if (skb->len < mphdrlen + 1 || ppp->mrru == 0)
if (!pskb_may_pull(skb, mphdrlen + 1) || ppp->mrru == 0)
goto err; /* no good, throw it away */
/* Decode sequence number and begin/end bits */
......@@ -2021,7 +2036,7 @@ ppp_ccp_peek(struct ppp *ppp, struct sk_buff *skb, int inbound)
unsigned char *dp = skb->data + 2;
int len;
if (skb->len < CCP_HDRLEN + 2
if (!pskb_may_pull(skb, CCP_HDRLEN + 2)
|| skb->len < (len = CCP_LENGTH(dp)) + 2)
return; /* too short */
......@@ -2056,6 +2071,10 @@ ppp_ccp_peek(struct ppp *ppp, struct sk_buff *skb, int inbound)
case CCP_CONFACK:
if ((ppp->flags & (SC_CCP_OPEN | SC_CCP_UP)) != SC_CCP_OPEN)
break;
if (!pskb_may_pull(skb, len))
break;
dp += CCP_HDRLEN;
len -= CCP_HDRLEN;
if (len < CCP_OPT_MINLEN || len < CCP_OPT_LENGTH(dp))
......
drivers/net/pppoe.c
View file @ cb84e0b3
......@@ -77,27 +77,14 @@
#include <asm/uaccess.h>
static int __attribute__((unused)) pppoe_debug = 7;
#define PPPOE_HASH_BITS 4
#define PPPOE_HASH_SIZE (1<<PPPOE_HASH_BITS)
int pppoe_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
int pppoe_xmit(struct ppp_channel *chan, struct sk_buff *skb);
int __pppoe_xmit(struct sock *sk, struct sk_buff *skb);
struct proto_ops pppoe_ops;
#if 0
#define CHECKPTR(x,y) do { if (!(x) && pppoe_debug &7 ){ printk(KERN_CRIT "PPPoE Invalid pointer : %s , %p\n",#x,(x)); error=-EINVAL; goto y; }} while (0)
#define DEBUG(s,args...) do { if( pppoe_debug & (s) ) printk(KERN_CRIT args ); } while (0)
#else
#define CHECKPTR(x,y) do { } while (0)
#define DEBUG(s,args...) do { } while (0)
#endif
static int pppoe_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
static int pppoe_xmit(struct ppp_channel *chan, struct sk_buff *skb);
static int __pppoe_xmit(struct sock *sk, struct sk_buff *skb);
static struct proto_ops pppoe_ops;
static rwlock_t pppoe_hash_lock = RW_LOCK_UNLOCKED;
......@@ -255,8 +242,7 @@ static void pppoe_flush_dev(struct net_device *dev)
{
int hash;
if (dev == NULL)
BUG();
BUG_ON(dev == NULL);
read_lock_bh(&pppoe_hash_lock);
for (hash = 0; hash < PPPOE_HASH_SIZE; hash++) {
......@@ -336,20 +322,22 @@ static struct notifier_block pppoe_notifier = {
};
/************************************************************************
*
* Do the real work of receiving a PPPoE Session frame.
*
***********************************************************************/
int pppoe_rcv_core(struct sock *sk, struct sk_buff *skb)
static int pppoe_rcv_core(struct sock *sk, struct sk_buff *skb)
{
struct pppox_opt *po = pppox_sk(sk);
struct pppox_opt *relay_po = NULL;
if (sk->sk_state & PPPOX_BOUND) {
struct pppoe_hdr *ph = (struct pppoe_hdr *) skb->nh.raw;
int len = ntohs(ph->length);
skb_pull(skb, sizeof(struct pppoe_hdr));
skb_trim(skb, len);
ppp_input(&po->chan, skb);
} else if (sk->sk_state & PPPOX_RELAY) {
relay_po = get_item_by_addr(&po->pppoe_relay);
......@@ -361,7 +349,7 @@ int pppoe_rcv_core(struct sock *sk, struct sk_buff *skb)
goto abort_put;
skb_pull(skb, sizeof(struct pppoe_hdr));
if (!__pppoe_xmit( relay_po->sk , skb))
if (!__pppoe_xmit( relay_po->sk, skb))
goto abort_put;
} else {
sock_queue_rcv_skb(sk, skb);
......@@ -387,17 +375,22 @@ static int pppoe_rcv(struct sk_buff *skb,
struct packet_type *pt)
{
struct pppoe_hdr *ph = (struct pppoe_hdr *) skb->nh.raw;
struct pppoe_hdr *ph;
struct pppox_opt *po;
struct sock *sk ;
struct sock *sk;
int ret;
po = get_item((unsigned long) ph->sid, skb->mac.ethernet->h_source);
if (!pskb_may_pull(skb, sizeof(struct pppoe_hdr)))
goto drop;
if (!po) {
kfree_skb(skb);
return NET_RX_DROP;
}
if (!(skb = skb_share_check(skb, GFP_ATOMIC)))
goto out;
ph = (struct pppoe_hdr *) skb->nh.raw;
po = get_item((unsigned long) ph->sid, skb->mac.ethernet->h_source);
if (!po)
goto drop;
sk = po->sk;
bh_lock_sock(sk);
......@@ -414,6 +407,10 @@ static int pppoe_rcv(struct sk_buff *skb,
sock_put(sk);
return ret;
drop:
kfree_skb(skb);
out:
return NET_RX_DROP;
}
/************************************************************************
......@@ -427,9 +424,16 @@ static int pppoe_disc_rcv(struct sk_buff *skb,
struct packet_type *pt)
{
struct pppoe_hdr *ph = (struct pppoe_hdr *) skb->nh.raw;
struct pppoe_hdr *ph;
struct pppox_opt *po;
if (!pskb_may_pull(skb, sizeof(struct pppoe_hdr)))
goto abort;
if (!(skb = skb_share_check(skb, GFP_ATOMIC)))
goto out;
ph = (struct pppoe_hdr *) skb->nh.raw;
if (ph->code != PADT_CODE)
goto abort;
......@@ -457,17 +461,20 @@ static int pppoe_disc_rcv(struct sk_buff *skb,
abort:
kfree_skb(skb);
out:
return NET_RX_SUCCESS; /* Lies... :-) */
}
struct packet_type pppoes_ptype = {
static struct packet_type pppoes_ptype = {
.type = __constant_htons(ETH_P_PPP_SES),
.func = pppoe_rcv,
.data = (void *)1,
};
struct packet_type pppoed_ptype = {
static struct packet_type pppoed_ptype = {
.type = __constant_htons(ETH_P_PPP_DISC),
.func = pppoe_disc_rcv,
.data = (void *)1,
};
/***********************************************************************
......@@ -522,7 +529,7 @@ frees: sk_free(sk);
goto out;
}
int pppoe_release(struct socket *sock)
static int pppoe_release(struct socket *sock)
{
struct sock *sk = sock->sk;
struct pppox_opt *po;
......@@ -559,7 +566,7 @@ int pppoe_release(struct socket *sock)
}
int pppoe_connect(struct socket *sock, struct sockaddr *uservaddr,
static int pppoe_connect(struct socket *sock, struct sockaddr *uservaddr,
int sockaddr_len, int flags)
{
struct sock *sk = sock->sk;
......@@ -648,7 +655,7 @@ int pppoe_connect(struct socket *sock, struct sockaddr *uservaddr,
}
int pppoe_getname(struct socket *sock, struct sockaddr *uaddr,
static int pppoe_getname(struct socket *sock, struct sockaddr *uaddr,
int *usockaddr_len, int peer)
{
int len = sizeof(struct sockaddr_pppox);
......@@ -667,7 +674,7 @@ int pppoe_getname(struct socket *sock, struct sockaddr *uaddr,
}
int pppoe_ioctl(struct socket *sock, unsigned int cmd,
static int pppoe_ioctl(struct socket *sock, unsigned int cmd,
unsigned long arg)
{
struct sock *sk = sock->sk;
......@@ -769,7 +776,7 @@ int pppoe_ioctl(struct socket *sock, unsigned int cmd,
}
int pppoe_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *m,
static int pppoe_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *m,
int total_len)
{
struct sk_buff *skb = NULL;
......@@ -847,7 +854,7 @@ int pppoe_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *m,
* xmit function for internal use.
*
***********************************************************************/
int __pppoe_xmit(struct sock *sk, struct sk_buff *skb)
static int __pppoe_xmit(struct sock *sk, struct sk_buff *skb)
{
struct pppox_opt *po = pppox_sk(sk);
struct net_device *dev = po->pppoe_dev;
......@@ -921,16 +928,18 @@ int __pppoe_xmit(struct sock *sk, struct sk_buff *skb)
* sends PPP frame over PPPoE socket
*
***********************************************************************/
int pppoe_xmit(struct ppp_channel *chan, struct sk_buff *skb)
static int pppoe_xmit(struct ppp_channel *chan, struct sk_buff *skb)
{
struct sock *sk = (struct sock *) chan->private;
return __pppoe_xmit(sk, skb);
}
struct ppp_channel_ops pppoe_chan_ops = { pppoe_xmit , NULL };
static struct ppp_channel_ops pppoe_chan_ops = {
.start_xmit = pppoe_xmit,
};
int pppoe_recvmsg(struct kiocb *iocb, struct socket *sock,
static int pppoe_recvmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *m, int total_len, int flags)
{
struct sock *sk = sock->sk;
......@@ -1029,8 +1038,9 @@ static void *pppoe_seq_next(struct seq_file *seq, void *v, loff_t *pos)
goto out;
}
po = v;
if (po->next)
po = po->next;
if (!po) {
else {
int hash = hash_item(po->pppoe_pa.sid, po->pppoe_pa.remote);
while (++hash < PPPOE_HASH_SIZE) {
......@@ -1071,7 +1081,7 @@ static struct file_operations pppoe_seq_fops = {
/* ->ioctl are set at pppox_create */
struct proto_ops pppoe_ops = {
static struct proto_ops pppoe_ops = {
.family = AF_PPPOX,
.owner = THIS_MODULE,
.release = pppoe_release,
......@@ -1090,14 +1100,14 @@ struct proto_ops pppoe_ops = {
.mmap = sock_no_mmap
};
struct pppox_proto pppoe_proto = {
static struct pppox_proto pppoe_proto = {
.create = pppoe_create,
.ioctl = pppoe_ioctl,
.owner = THIS_MODULE,
};
int __init pppoe_init(void)
static int __init pppoe_init(void)
{
int err = register_pppox_proto(PX_PROTO_OE, &pppoe_proto);
......@@ -1125,7 +1135,7 @@ int __init pppoe_init(void)
goto out;
}
void __exit pppoe_exit(void)
static void __exit pppoe_exit(void)
{
unregister_pppox_proto(PX_PROTO_OE);
dev_remove_pack(&pppoes_ptype);
......
include/linux/atmdev.h
View file @ cb84e0b3
......@@ -293,7 +293,6 @@ struct atm_vcc {
struct k_atm_aal_stats *stats; /* pointer to AAL stats group */
wait_queue_head_t sleep; /* if socket is busy */
struct sock *sk; /* socket backpointer */
struct atm_vcc *prev,*next;
/* SVC part --- may move later ------------------------------------- */
short itf; /* interface number */
struct sockaddr_atmsvc local;
......@@ -320,8 +319,6 @@ struct atm_dev {
/* (NULL) */
const char *type; /* device type name */
int number; /* device index */
struct atm_vcc *vccs; /* VCC table (or NULL) */
struct atm_vcc *last; /* last VCC (or undefined) */
void *dev_data; /* per-device data */
void *phy_data; /* private PHY date */
unsigned long flags; /* device flags (ATM_DF_*) */
......@@ -390,6 +387,9 @@ struct atm_skb_data {
unsigned long atm_options; /* ATM layer options */
};
extern struct hlist_head vcc_sklist;
extern rwlock_t vcc_sklist_lock;
#define ATM_SKB(skb) (((struct atm_skb_data *) (skb)->cb))
struct atm_dev *atm_dev_register(const char *type,const struct atmdev_ops *ops,
......@@ -397,7 +397,8 @@ struct atm_dev *atm_dev_register(const char *type,const struct atmdev_ops *ops,
struct atm_dev *atm_dev_lookup(int number);
void atm_dev_deregister(struct atm_dev *dev);
void shutdown_atm_dev(struct atm_dev *dev);
void bind_vcc(struct atm_vcc *vcc,struct atm_dev *dev);
void vcc_insert_socket(struct sock *sk);
void vcc_remove_socket(struct sock *sk);
/*
......@@ -436,7 +437,7 @@ static inline void atm_dev_hold(struct atm_dev *dev)
}
static inline void atm_dev_release(struct atm_dev *dev)
static inline void atm_dev_put(struct atm_dev *dev)
{
atomic_dec(&dev->refcnt);
......
include/linux/xfrm.h
View file @ cb84e0b3
......@@ -117,8 +117,9 @@ enum
#define XFRM_MSG_EXPIRE (XFRM_MSG_BASE + 8)
#define XFRM_MSG_UPDPOLICY (XFRM_MSG_BASE + 9)
#define XFRM_MSG_UPDSA (XFRM_MSG_BASE + 10)
#define XFRM_MSG_MAX (XFRM_MSG_UPDPOLICY+1)
#define XFRM_MSG_MAX (XFRM_MSG_UPDSA+1)
struct xfrm_user_tmpl {
struct xfrm_id id;
......@@ -136,6 +137,7 @@ struct xfrm_encap_tmpl {
__u16 encap_type;
__u16 encap_sport;
__u16 encap_dport;
xfrm_address_t encap_oa;
};
/* Netlink message attributes. */
......
include/net/xfrm.h
View file @ cb84e0b3
......@@ -767,6 +767,7 @@ extern struct xfrm_state *xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t
unsigned short family);
extern int xfrm_state_check_expire(struct xfrm_state *x);
extern void xfrm_state_insert(struct xfrm_state *x);
extern int xfrm_state_replace(struct xfrm_state *x, int excl);
extern int xfrm_state_check_space(struct xfrm_state *x, struct sk_buff *skb);
extern struct xfrm_state *xfrm_state_lookup(xfrm_address_t *daddr, u32 spi, u8 proto, unsigned short family);
extern struct xfrm_state *xfrm_find_acq_byseq(u32 seq);
......
net/atm/atm_misc.c
View file @ cb84e0b3
......@@ -47,15 +47,21 @@ struct sk_buff *atm_alloc_charge(struct atm_vcc *vcc,int pdu_size,
static int check_ci(struct atm_vcc *vcc,short vpi,int vci)
{
struct hlist_node *node;
struct sock *s;
struct atm_vcc *walk;
for (walk = vcc->dev->vccs; walk; walk = walk->next)
sk_for_each(s, node, &vcc_sklist) {
walk = atm_sk(s);
if (walk->dev != vcc->dev)
continue;
if (test_bit(ATM_VF_ADDR,&walk->flags) && walk->vpi == vpi &&
walk->vci == vci && ((walk->qos.txtp.traffic_class !=
ATM_NONE && vcc->qos.txtp.traffic_class != ATM_NONE) ||
(walk->qos.rxtp.traffic_class != ATM_NONE &&
vcc->qos.rxtp.traffic_class != ATM_NONE)))
return -EADDRINUSE;
}
/* allow VCCs with same VPI/VCI iff they don't collide on
TX/RX (but we may refuse such sharing for other reasons,
e.g. if protocol requires to have both channels) */
......@@ -65,17 +71,16 @@ static int check_ci(struct atm_vcc *vcc,short vpi,int vci)
int atm_find_ci(struct atm_vcc *vcc,short *vpi,int *vci)
{
unsigned long flags;
static short p = 0; /* poor man's per-device cache */
static int c = 0;
short old_p;
int old_c;
int err;
spin_lock_irqsave(&vcc->dev->lock, flags);
read_lock(&vcc_sklist_lock);
if (*vpi != ATM_VPI_ANY && *vci != ATM_VCI_ANY) {
err = check_ci(vcc,*vpi,*vci);
spin_unlock_irqrestore(&vcc->dev->lock, flags);
read_unlock(&vcc_sklist_lock);
return err;
}
/* last scan may have left values out of bounds for current device */
......@@ -90,7 +95,7 @@ int atm_find_ci(struct atm_vcc *vcc,short *vpi,int *vci)
if (!check_ci(vcc,p,c)) {
*vpi = p;
*vci = c;
spin_unlock_irqrestore(&vcc->dev->lock, flags);
read_unlock(&vcc_sklist_lock);
return 0;
}
if (*vci == ATM_VCI_ANY) {
......@@ -105,7 +110,7 @@ int atm_find_ci(struct atm_vcc *vcc,short *vpi,int *vci)
}
}
while (old_p != p || old_c != c);
spin_unlock_irqrestore(&vcc->dev->lock, flags);
read_unlock(&vcc_sklist_lock);
return -EADDRINUSE;
}
......
net/atm/clip.c
View file @ cb84e0b3
......@@ -737,7 +737,8 @@ static int atm_init_atmarp(struct atm_vcc *vcc)
set_bit(ATM_VF_META,&vcc->flags);
set_bit(ATM_VF_READY,&vcc->flags);
/* allow replies and avoid getting closed if signaling dies */
bind_vcc(vcc,&atmarpd_dev);
vcc->dev = &atmarpd_dev;
vcc_insert_socket(vcc->sk);
vcc->push = NULL;
vcc->pop = NULL; /* crash */
vcc->push_oam = NULL; /* crash */
......
net/atm/common.c
View file @ cb84e0b3
......@@ -157,6 +157,29 @@ EXPORT_SYMBOL(br2684_ioctl_hook);
#endif
HLIST_HEAD(vcc_sklist);
rwlock_t vcc_sklist_lock = RW_LOCK_UNLOCKED;
void __vcc_insert_socket(struct sock *sk)
{
sk_add_node(sk, &vcc_sklist);
}
void vcc_insert_socket(struct sock *sk)
{
write_lock_irq(&vcc_sklist_lock);
__vcc_insert_socket(sk);
write_unlock_irq(&vcc_sklist_lock);
}
void vcc_remove_socket(struct sock *sk)
{
write_lock_irq(&vcc_sklist_lock);
sk_del_node_init(sk);
write_unlock_irq(&vcc_sklist_lock);
}
static struct sk_buff *alloc_tx(struct atm_vcc *vcc,unsigned int size)
{
struct sk_buff *skb;
......@@ -175,16 +198,45 @@ static struct sk_buff *alloc_tx(struct atm_vcc *vcc,unsigned int size)
}
int atm_create(struct socket *sock,int protocol,int family)
EXPORT_SYMBOL(vcc_sklist);
EXPORT_SYMBOL(vcc_sklist_lock);
EXPORT_SYMBOL(vcc_insert_socket);
EXPORT_SYMBOL(vcc_remove_socket);
static void vcc_sock_destruct(struct sock *sk)
{
struct atm_vcc *vcc = atm_sk(sk);
if (atomic_read(&vcc->sk->sk_rmem_alloc))
printk(KERN_DEBUG "vcc_sock_destruct: rmem leakage (%d bytes) detected.\n", atomic_read(&sk->sk_rmem_alloc));
if (atomic_read(&vcc->sk->sk_wmem_alloc))
printk(KERN_DEBUG "vcc_sock_destruct: wmem leakage (%d bytes) detected.\n", atomic_read(&sk->sk_wmem_alloc));
kfree(sk->sk_protinfo);
}
int vcc_create(struct socket *sock, int protocol, int family)
{
struct sock *sk;
struct atm_vcc *vcc;
sock->sk = NULL;
if (sock->type == SOCK_STREAM) return -EINVAL;
if (!(sk = alloc_atm_vcc_sk(family))) return -ENOMEM;
vcc = atm_sk(sk);
memset(&vcc->flags,0,sizeof(vcc->flags));
if (sock->type == SOCK_STREAM)
return -EINVAL;
sk = sk_alloc(family, GFP_KERNEL, 1, NULL);
if (!sk)
return -ENOMEM;
sock_init_data(NULL, sk);
vcc = atm_sk(sk) = kmalloc(sizeof(*vcc), GFP_KERNEL);
if (!vcc) {
sk_free(sk);
return -ENOMEM;
}
memset(vcc, 0, sizeof(*vcc));
vcc->sk = sk;
vcc->dev = NULL;
vcc->callback = NULL;
memset(&vcc->local,0,sizeof(struct sockaddr_atmsvc));
......@@ -199,42 +251,48 @@ int atm_create(struct socket *sock,int protocol,int family)
vcc->atm_options = vcc->aal_options = 0;
init_waitqueue_head(&vcc->sleep);
sk->sk_sleep = &vcc->sleep;
sk->sk_destruct = vcc_sock_destruct;
sock->sk = sk;
return 0;
}
void atm_release_vcc_sk(struct sock *sk,int free_sk)
static void vcc_destroy_socket(struct sock *sk)
{
struct atm_vcc *vcc = atm_sk(sk);
struct sk_buff *skb;
clear_bit(ATM_VF_READY,&vcc->flags);
clear_bit(ATM_VF_READY, &vcc->flags);
if (vcc->dev) {
if (vcc->dev->ops->close) vcc->dev->ops->close(vcc);
if (vcc->push) vcc->push(vcc,NULL); /* atmarpd has no push */
if (vcc->dev->ops->close)
vcc->dev->ops->close(vcc);
if (vcc->push)
vcc->push(vcc, NULL); /* atmarpd has no push */
vcc_remove_socket(sk); /* no more receive */
while ((skb = skb_dequeue(&vcc->sk->sk_receive_queue))) {
atm_return(vcc,skb->truesize);
kfree_skb(skb);
}
module_put(vcc->dev->ops->owner);
atm_dev_release(vcc->dev);
if (atomic_read(&vcc->sk->sk_rmem_alloc))
printk(KERN_WARNING "atm_release_vcc: strange ... "
"rmem_alloc == %d after closing\n",
atomic_read(&vcc->sk->sk_rmem_alloc));
bind_vcc(vcc,NULL);
atm_dev_put(vcc->dev);
}
if (free_sk) free_atm_vcc_sk(sk);
}
int atm_release(struct socket *sock)
int vcc_release(struct socket *sock)
{
if (sock->sk)
atm_release_vcc_sk(sock->sk,1);
struct sock *sk = sock->sk;
if (sk) {
lock_sock(sk);
vcc_destroy_socket(sock->sk);
release_sock(sk);
sock_put(sk);
}
return 0;
}
......@@ -289,7 +347,8 @@ static int __vcc_connect(struct atm_vcc *vcc, struct atm_dev *dev, int vpi,
if (vci > 0 && vci < ATM_NOT_RSV_VCI && !capable(CAP_NET_BIND_SERVICE))
return -EPERM;
error = 0;
bind_vcc(vcc,dev);
vcc->dev = dev;
vcc_insert_socket(vcc->sk);
switch (vcc->qos.aal) {
case ATM_AAL0:
error = atm_init_aal0(vcc);
......@@ -313,7 +372,7 @@ static int __vcc_connect(struct atm_vcc *vcc, struct atm_dev *dev, int vpi,
if (!error) error = adjust_tp(&vcc->qos.txtp,vcc->qos.aal);
if (!error) error = adjust_tp(&vcc->qos.rxtp,vcc->qos.aal);
if (error) {
bind_vcc(vcc,NULL);
vcc_remove_socket(vcc->sk);
return error;
}
DPRINTK("VCC %d.%d, AAL %d\n",vpi,vci,vcc->qos.aal);
......@@ -327,7 +386,7 @@ static int __vcc_connect(struct atm_vcc *vcc, struct atm_dev *dev, int vpi,
error = dev->ops->open(vcc,vpi,vci);
if (error) {
module_put(dev->ops->owner);
bind_vcc(vcc,NULL);
vcc_remove_socket(vcc->sk);
return error;
}
}
......@@ -371,7 +430,7 @@ int vcc_connect(struct socket *sock, int itf, short vpi, int vci)
dev = atm_dev_lookup(itf);
error = __vcc_connect(vcc, dev, vpi, vci);
if (error) {
atm_dev_release(dev);
atm_dev_put(dev);
return error;
}
} else {
......@@ -385,7 +444,7 @@ int vcc_connect(struct socket *sock, int itf, short vpi, int vci)
spin_unlock(&atm_dev_lock);
if (!__vcc_connect(vcc, dev, vpi, vci))
break;
atm_dev_release(dev);
atm_dev_put(dev);
dev = NULL;
spin_lock(&atm_dev_lock);
}
......
net/atm/common.h
View file @ cb84e0b3
......@@ -10,8 +10,8 @@
#include <linux/poll.h> /* for poll_table */
int atm_create(struct socket *sock,int protocol,int family);
int atm_release(struct socket *sock);
int vcc_create(struct socket *sock, int protocol, int family);
int vcc_release(struct socket *sock);
int vcc_connect(struct socket *sock, int itf, short vpi, int vci);
int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
int size, int flags);
......@@ -24,7 +24,6 @@ int vcc_setsockopt(struct socket *sock, int level, int optname, char *optval,
int vcc_getsockopt(struct socket *sock, int level, int optname, char *optval,
int *optlen);
void atm_release_vcc_sk(struct sock *sk,int free_sk);
void atm_shutdown_dev(struct atm_dev *dev);
int atmpvc_init(void);
......
net/atm/lec.c
View file @ cb84e0b3
......@@ -48,7 +48,7 @@ extern void (*br_fdb_put_hook)(struct net_bridge_fdb_entry *ent);
#include "lec.h"
#include "lec_arpc.h"
#include "resources.h" /* for bind_vcc() */
#include "resources.h"
#if 0
#define DPRINTK printk
......@@ -810,7 +810,8 @@ lecd_attach(struct atm_vcc *vcc, int arg)
lec_arp_init(priv);
priv->itfnum = i; /* LANE2 addition */
priv->lecd = vcc;
bind_vcc(vcc, &lecatm_dev);
vcc->dev = &lecatm_dev;
vcc_insert_socket(vcc->sk);
vcc->proto_data = dev_lec[i];
set_bit(ATM_VF_META,&vcc->flags);
......
net/atm/mpc.c
View file @ cb84e0b3
......@@ -28,7 +28,7 @@
#include "lec.h"
#include "mpc.h"
#include "resources.h" /* for bind_vcc() */
#include "resources.h"
/*
* mpc.c: Implementation of MPOA client kernel part
......@@ -789,7 +789,8 @@ int atm_mpoa_mpoad_attach (struct atm_vcc *vcc, int arg)
}
mpc->mpoad_vcc = vcc;
bind_vcc(vcc, &mpc_dev);
vcc->dev = &mpc_dev;
vcc_insert_socket(vcc->sk);
set_bit(ATM_VF_META,&vcc->flags);
set_bit(ATM_VF_READY,&vcc->flags);
......
net/atm/proc.c
View file @ cb84e0b3
......@@ -334,9 +334,8 @@ static int atm_devices_info(loff_t pos,char *buf)
static int atm_pvc_info(loff_t pos,char *buf)
{
unsigned long flags;
struct atm_dev *dev;
struct list_head *p;
struct hlist_node *node;
struct sock *s;
struct atm_vcc *vcc;
int left, clip_info = 0;
......@@ -349,25 +348,20 @@ static int atm_pvc_info(loff_t pos,char *buf)
if (try_atm_clip_ops())
clip_info = 1;
#endif
spin_lock(&atm_dev_lock);
list_for_each(p, &atm_devs) {
dev = list_entry(p, struct atm_dev, dev_list);
spin_lock_irqsave(&dev->lock, flags);
for (vcc = dev->vccs; vcc; vcc = vcc->next)
if (vcc->sk->sk_family == PF_ATMPVC &&
vcc->dev && !left--) {
read_lock(&vcc_sklist_lock);
sk_for_each(s, node, &vcc_sklist) {
vcc = atm_sk(s);
if (vcc->sk->sk_family == PF_ATMPVC && vcc->dev && !left--) {
pvc_info(vcc,buf,clip_info);
spin_unlock_irqrestore(&dev->lock, flags);
spin_unlock(&atm_dev_lock);
read_unlock(&vcc_sklist_lock);
#if defined(CONFIG_ATM_CLIP) || defined(CONFIG_ATM_CLIP_MODULE)
if (clip_info)
module_put(atm_clip_ops->owner);
#endif
return strlen(buf);
}
spin_unlock_irqrestore(&dev->lock, flags);
}
spin_unlock(&atm_dev_lock);
read_unlock(&vcc_sklist_lock);
#if defined(CONFIG_ATM_CLIP) || defined(CONFIG_ATM_CLIP_MODULE)
if (clip_info)
module_put(atm_clip_ops->owner);
......@@ -378,10 +372,9 @@ static int atm_pvc_info(loff_t pos,char *buf)
static int atm_vc_info(loff_t pos,char *buf)
{
unsigned long flags;
struct atm_dev *dev;
struct list_head *p;
struct atm_vcc *vcc;
struct hlist_node *node;
struct sock *s;
int left;
if (!pos)
......@@ -389,20 +382,16 @@ static int atm_vc_info(loff_t pos,char *buf)
"Address"," Itf VPI VCI Fam Flags Reply Send buffer"
" Recv buffer\n");
left = pos-1;
spin_lock(&atm_dev_lock);
list_for_each(p, &atm_devs) {
dev = list_entry(p, struct atm_dev, dev_list);
spin_lock_irqsave(&dev->lock, flags);
for (vcc = dev->vccs; vcc; vcc = vcc->next)
read_lock(&vcc_sklist_lock);
sk_for_each(s, node, &vcc_sklist) {
vcc = atm_sk(s);
if (!left--) {
vc_info(vcc,buf);
spin_unlock_irqrestore(&dev->lock, flags);
spin_unlock(&atm_dev_lock);
read_unlock(&vcc_sklist_lock);
return strlen(buf);
}
spin_unlock_irqrestore(&dev->lock, flags);
}
spin_unlock(&atm_dev_lock);
read_unlock(&vcc_sklist_lock);
return 0;
}
......@@ -410,29 +399,24 @@ static int atm_vc_info(loff_t pos,char *buf)
static int atm_svc_info(loff_t pos,char *buf)
{
unsigned long flags;
struct atm_dev *dev;
struct list_head *p;
struct hlist_node *node;
struct sock *s;
struct atm_vcc *vcc;
int left;
if (!pos)
return sprintf(buf,"Itf VPI VCI State Remote\n");
left = pos-1;
spin_lock(&atm_dev_lock);
list_for_each(p, &atm_devs) {
dev = list_entry(p, struct atm_dev, dev_list);
spin_lock_irqsave(&dev->lock, flags);
for (vcc = dev->vccs; vcc; vcc = vcc->next)
read_lock(&vcc_sklist_lock);
sk_for_each(s, node, &vcc_sklist) {
vcc = atm_sk(s);
if (vcc->sk->sk_family == PF_ATMSVC && !left--) {
svc_info(vcc,buf);
spin_unlock_irqrestore(&dev->lock, flags);
spin_unlock(&atm_dev_lock);
read_unlock(&vcc_sklist_lock);
return strlen(buf);
}
spin_unlock_irqrestore(&dev->lock, flags);
}
spin_unlock(&atm_dev_lock);
read_unlock(&vcc_sklist_lock);
return 0;
}
......
net/atm/pvc.c
View file @ cb84e0b3
......@@ -17,10 +17,6 @@
#include "resources.h" /* devs and vccs */
#include "common.h" /* common for PVCs and SVCs */
#ifndef NULL
#define NULL 0
#endif
static int pvc_shutdown(struct socket *sock,int how)
{
......@@ -109,7 +105,7 @@ static int pvc_getname(struct socket *sock,struct sockaddr *sockaddr,
static struct proto_ops pvc_proto_ops = {
.family = PF_ATMPVC,
.release = atm_release,
.release = vcc_release,
.bind = pvc_bind,
.connect = pvc_connect,
.socketpair = sock_no_socketpair,
......@@ -131,7 +127,7 @@ static struct proto_ops pvc_proto_ops = {
static int pvc_create(struct socket *sock,int protocol)
{
sock->ops = &pvc_proto_ops;
return atm_create(sock,protocol,PF_ATMPVC);
return vcc_create(sock, protocol, PF_ATMPVC);
}
......
net/atm/resources.c
View file @ cb84e0b3
......@@ -23,11 +23,6 @@
#include "addr.h"
#ifndef NULL
#define NULL 0
#endif
LIST_HEAD(atm_devs);
spinlock_t atm_dev_lock = SPIN_LOCK_UNLOCKED;
......@@ -91,7 +86,7 @@ struct atm_dev *atm_dev_register(const char *type, const struct atmdev_ops *ops,
spin_lock(&atm_dev_lock);
if (number != -1) {
if ((inuse = __atm_dev_lookup(number))) {
atm_dev_release(inuse);
atm_dev_put(inuse);
spin_unlock(&atm_dev_lock);
__free_atm_dev(dev);
return NULL;
......@@ -100,7 +95,7 @@ struct atm_dev *atm_dev_register(const char *type, const struct atmdev_ops *ops,
} else {
dev->number = 0;
while ((inuse = __atm_dev_lookup(dev->number))) {
atm_dev_release(inuse);
atm_dev_put(inuse);
dev->number++;
}
}
......@@ -402,78 +397,12 @@ int atm_dev_ioctl(unsigned int cmd, unsigned long arg)
else
error = 0;
done:
atm_dev_release(dev);
atm_dev_put(dev);
return error;
}
struct sock *alloc_atm_vcc_sk(int family)
{
struct sock *sk;
struct atm_vcc *vcc;
sk = sk_alloc(family, GFP_KERNEL, 1, NULL);
if (!sk)
return NULL;
vcc = atm_sk(sk) = kmalloc(sizeof(*vcc), GFP_KERNEL);
if (!vcc) {
sk_free(sk);
return NULL;
}
sock_init_data(NULL, sk);
memset(vcc, 0, sizeof(*vcc));
vcc->sk = sk;
return sk;
}
static void unlink_vcc(struct atm_vcc *vcc)
{
unsigned long flags;
if (vcc->dev) {
spin_lock_irqsave(&vcc->dev->lock, flags);
if (vcc->prev)
vcc->prev->next = vcc->next;
else
vcc->dev->vccs = vcc->next;
if (vcc->next)
vcc->next->prev = vcc->prev;
else
vcc->dev->last = vcc->prev;
spin_unlock_irqrestore(&vcc->dev->lock, flags);
}
}
void free_atm_vcc_sk(struct sock *sk)
{
unlink_vcc(atm_sk(sk));
sk_free(sk);
}
void bind_vcc(struct atm_vcc *vcc,struct atm_dev *dev)
{
unsigned long flags;
unlink_vcc(vcc);
vcc->dev = dev;
if (dev) {
spin_lock_irqsave(&dev->lock, flags);
vcc->next = NULL;
vcc->prev = dev->last;
if (dev->vccs)
dev->last->next = vcc;
else
dev->vccs = vcc;
dev->last = vcc;
spin_unlock_irqrestore(&dev->lock, flags);
}
}
EXPORT_SYMBOL(atm_dev_register);
EXPORT_SYMBOL(atm_dev_deregister);
EXPORT_SYMBOL(atm_dev_lookup);
EXPORT_SYMBOL(shutdown_atm_dev);
EXPORT_SYMBOL(bind_vcc);
net/atm/resources.h
View file @ cb84e0b3
......@@ -14,8 +14,6 @@ extern struct list_head atm_devs;
extern spinlock_t atm_dev_lock;
struct sock *alloc_atm_vcc_sk(int family);
void free_atm_vcc_sk(struct sock *sk);
int atm_dev_ioctl(unsigned int cmd, unsigned long arg);
......
net/atm/signaling.c
View file @ cb84e0b3
......@@ -200,9 +200,8 @@ void sigd_enq(struct atm_vcc *vcc,enum atmsvc_msg_type type,
}
static void purge_vccs(struct atm_vcc *vcc)
static void purge_vcc(struct atm_vcc *vcc)
{
while (vcc) {
if (vcc->sk->sk_family == PF_ATMSVC &&
!test_bit(ATM_VF_META,&vcc->flags)) {
set_bit(ATM_VF_RELEASED,&vcc->flags);
......@@ -210,16 +209,13 @@ static void purge_vccs(struct atm_vcc *vcc)
vcc->sk->sk_err = EUNATCH;
wake_up(&vcc->sleep);
}
vcc = vcc->next;
}
}
static void sigd_close(struct atm_vcc *vcc)
{
unsigned long flags;
struct atm_dev *dev;
struct list_head *p;
struct hlist_node *node;
struct sock *s;
DPRINTK("sigd_close\n");
sigd = NULL;
......@@ -227,14 +223,14 @@ static void sigd_close(struct atm_vcc *vcc)
printk(KERN_ERR "sigd_close: closing with requests pending\n");
skb_queue_purge(&vcc->sk->sk_receive_queue);
spin_lock(&atm_dev_lock);
list_for_each(p, &atm_devs) {
dev = list_entry(p, struct atm_dev, dev_list);
spin_lock_irqsave(&dev->lock, flags);
purge_vccs(dev->vccs);
spin_unlock_irqrestore(&dev->lock, flags);
read_lock(&vcc_sklist_lock);
sk_for_each(s, node, &vcc_sklist) {
struct atm_vcc *vcc = atm_sk(s);
if (vcc->dev)
purge_vcc(vcc);
}
spin_unlock(&atm_dev_lock);
read_unlock(&vcc_sklist_lock);
}
......@@ -257,7 +253,8 @@ int sigd_attach(struct atm_vcc *vcc)
if (sigd) return -EADDRINUSE;
DPRINTK("sigd_attach\n");
sigd = vcc;
bind_vcc(vcc,&sigd_dev);
vcc->dev = &sigd_dev;
vcc_insert_socket(vcc->sk);
set_bit(ATM_VF_META,&vcc->flags);
set_bit(ATM_VF_READY,&vcc->flags);
wake_up(&sigd_sleep);
......
net/atm/svc.c
View file @ cb84e0b3
......@@ -88,18 +88,21 @@ static void svc_disconnect(struct atm_vcc *vcc)
static int svc_release(struct socket *sock)
{
struct sock *sk = sock->sk;
struct atm_vcc *vcc;
if (!sock->sk) return 0;
if (sk) {
vcc = ATM_SD(sock);
DPRINTK("svc_release %p\n",vcc);
clear_bit(ATM_VF_READY,&vcc->flags);
atm_release_vcc_sk(sock->sk,0);
svc_disconnect(vcc);
DPRINTK("svc_release %p\n", vcc);
clear_bit(ATM_VF_READY, &vcc->flags);
/* VCC pointer is used as a reference, so we must not free it
(thereby subjecting it to re-use) before all pending connections
are closed */
free_atm_vcc_sk(sock->sk);
sock_hold(sk);
vcc_release(sock);
svc_disconnect(vcc);
sock_put(sk);
}
return 0;
}
......@@ -542,7 +545,7 @@ static int svc_create(struct socket *sock,int protocol)
int error;
sock->ops = &svc_proto_ops;
error = atm_create(sock,protocol,AF_ATMSVC);
error = vcc_create(sock, protocol, AF_ATMSVC);
if (error) return error;
ATM_SD(sock)->callback = svc_callback;
ATM_SD(sock)->local.sas_family = AF_ATMSVC;
......
net/ipv4/icmp.c
View file @ cb84e0b3
......@@ -659,8 +659,12 @@ static void icmp_unreach(struct sk_buff *skb)
inet_addr_type(iph->daddr) == RTN_BROADCAST) {
if (net_ratelimit())
printk(KERN_WARNING "%u.%u.%u.%u sent an invalid ICMP "
"error to a broadcast.\n",
NIPQUAD(skb->nh.iph->saddr));
"type %u, code %u "
"error to a broadcast: %u.%u.%u.%u on %s\n",
NIPQUAD(iph->saddr),
icmph->type, icmph->code,
NIPQUAD(iph->daddr),
skb->dev->name);
goto out;
}
......
net/ipv4/netfilter/Kconfig
View file @ cb84e0b3
......@@ -120,8 +120,8 @@ config IP_NF_MATCH_PKTTYPE
tristate "Packet type match support"
depends on IP_NF_IPTABLES
help
This patch allows you to match packet in accrodance
to its "class", eg. BROADCAST, MULTICAST, ...
Packet type matching allows you to match a packet by
its "class", eg. BROADCAST, MULTICAST, ...
Typical usage:
iptables -A INPUT -m pkttype --pkt-type broadcast -j LOG
......
net/ipv6/route.c
View file @ cb84e0b3
......@@ -600,6 +600,22 @@ static int ipv6_get_mtu(struct net_device *dev)
return mtu;
}
static inline unsigned int ipv6_advmss(unsigned int mtu)
{
if (mtu < ip6_rt_min_advmss)
mtu = ip6_rt_min_advmss;
/*
* Maximal non-jumbo IPv6 payload is 65535 and
* corresponding MSS is 65535 - tcp_header_size.
* 65535 is also valid and means: "any MSS,
* rely only on pmtu discovery"
*/
if (mtu > 65535 - sizeof(struct tcphdr))
mtu = 65535;
return mtu;
}
static int ipv6_get_hoplimit(struct net_device *dev)
{
int hoplimit = ipv6_devconf.hop_limit;
......@@ -790,16 +806,7 @@ int ip6_route_add(struct in6_rtmsg *rtmsg, struct nlmsghdr *nlh, void *_rtattr)
if (!rt->u.dst.metrics[RTAX_MTU-1])
rt->u.dst.metrics[RTAX_MTU-1] = ipv6_get_mtu(dev);
if (!rt->u.dst.metrics[RTAX_ADVMSS-1])
rt->u.dst.metrics[RTAX_ADVMSS-1] =
max_t(unsigned int, dst_pmtu(&rt->u.dst) - 60,
ip6_rt_min_advmss);
/* Maximal non-jumbo IPv6 payload is 65535 and corresponding
MSS is 65535 - tcp_header_size. 65535 is also valid and
means: "any MSS, rely only on pmtu discovery"
*/
if (dst_metric(&rt->u.dst, RTAX_ADVMSS) > 65535-20)
rt->u.dst.metrics[RTAX_ADVMSS-1] = 65535;
rt->u.dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(dst_pmtu(&rt->u.dst));
rt->u.dst.dev = dev;
return rt6_ins(rt, nlh, _rtattr);
......@@ -952,9 +959,7 @@ void rt6_redirect(struct in6_addr *dest, struct in6_addr *saddr,
nrt->rt6i_nexthop = neigh_clone(neigh);
/* Reset pmtu, it may be better */
nrt->u.dst.metrics[RTAX_MTU-1] = ipv6_get_mtu(neigh->dev);
nrt->u.dst.metrics[RTAX_ADVMSS-1] = max_t(unsigned int, dst_pmtu(&nrt->u.dst) - 60, ip6_rt_min_advmss);
if (nrt->u.dst.metrics[RTAX_ADVMSS-1] > 65535-20)
nrt->u.dst.metrics[RTAX_ADVMSS-1] = 65535;
nrt->u.dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(dst_pmtu(&nrt->u.dst));
if (rt6_ins(nrt, NULL, NULL))
goto out;
......@@ -1214,9 +1219,7 @@ int ip6_rt_addr_add(struct in6_addr *addr, struct net_device *dev)
rt->u.dst.output = ip6_output;
rt->rt6i_dev = &loopback_dev;
rt->u.dst.metrics[RTAX_MTU-1] = ipv6_get_mtu(rt->rt6i_dev);
rt->u.dst.metrics[RTAX_ADVMSS-1] = max_t(unsigned int, dst_pmtu(&rt->u.dst) - 60, ip6_rt_min_advmss);
if (rt->u.dst.metrics[RTAX_ADVMSS-1] > 65535-20)
rt->u.dst.metrics[RTAX_ADVMSS-1] = 65535;
rt->u.dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(dst_pmtu(&rt->u.dst));
rt->u.dst.metrics[RTAX_HOPLIMIT-1] = ipv6_get_hoplimit(rt->rt6i_dev);
rt->u.dst.obsolete = -1;
......@@ -1312,9 +1315,7 @@ static int rt6_mtu_change_route(struct rt6_info *rt, void *p_arg)
(dst_pmtu(&rt->u.dst) < arg->mtu &&
dst_pmtu(&rt->u.dst) == idev->cnf.mtu6)))
rt->u.dst.metrics[RTAX_MTU-1] = arg->mtu;
rt->u.dst.metrics[RTAX_ADVMSS-1] = max_t(unsigned int, arg->mtu - 60, ip6_rt_min_advmss);
if (rt->u.dst.metrics[RTAX_ADVMSS-1] > 65535-20)
rt->u.dst.metrics[RTAX_ADVMSS-1] = 65535;
rt->u.dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(arg->mtu);
return 0;
}
......
net/key/af_key.c
View file @ cb84e0b3
......@@ -1213,7 +1213,7 @@ static int pfkey_add(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hdr,
struct sk_buff *out_skb;
struct sadb_msg *out_hdr;
struct xfrm_state *x;
struct xfrm_state *x1;
int err;
xfrm_probe_algs();
......@@ -1221,31 +1221,11 @@ static int pfkey_add(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hdr,
if (IS_ERR(x))
return PTR_ERR(x);
/* XXX there is race condition */
x1 = pfkey_xfrm_state_lookup(hdr, ext_hdrs);
if (!x1) {
x1 = xfrm_find_acq(x->props.mode, x->props.reqid, x->id.proto,
&x->id.daddr,
&x->props.saddr, 0, x->props.family);
if (x1 && x1->id.spi != x->id.spi && x1->id.spi) {
xfrm_state_put(x1);
x1 = NULL;
}
}
if (x1 && ((x1->id.spi && hdr->sadb_msg_type == SADB_ADD) ||
(hdr->sadb_msg_type == SADB_UPDATE && xfrm_state_kern(x1)))) {
err = xfrm_state_replace(x, hdr->sadb_msg_type == SADB_ADD);
if (err < 0) {
x->km.state = XFRM_STATE_DEAD;
xfrm_state_put(x);
xfrm_state_put(x1);
return -EEXIST;
}
xfrm_state_insert(x);
if (x1) {
xfrm_state_delete(x1);
xfrm_state_put(x1);
return err;
}
out_skb = pfkey_xfrm_state2msg(x, 0, 3);
......
net/netsyms.c
View file @ cb84e0b3
......@@ -306,6 +306,7 @@ EXPORT_SYMBOL(xfrm_state_alloc);
EXPORT_SYMBOL(__xfrm_state_destroy);
EXPORT_SYMBOL(xfrm_state_find);
EXPORT_SYMBOL(xfrm_state_insert);
EXPORT_SYMBOL(xfrm_state_replace);
EXPORT_SYMBOL(xfrm_state_check_expire);
EXPORT_SYMBOL(xfrm_state_check_space);
EXPORT_SYMBOL(xfrm_state_lookup);
......
net/sched/cls_rsvp.h
View file @ cb84e0b3
......@@ -515,7 +515,7 @@ static int rsvp_change(struct tcf_proto *tp, unsigned long base,
for (sp = &data->ht[h1]; (s=*sp) != NULL; sp = &s->next) {
if (dst[RSVP_DST_LEN-1] == s->dst[RSVP_DST_LEN-1] &&
pinfo->protocol == s->protocol &&
pinfo && pinfo->protocol == s->protocol &&
memcmp(&pinfo->dpi, &s->dpi, sizeof(s->dpi)) == 0
#if RSVP_DST_LEN == 4
&& dst[0] == s->dst[0]
......@@ -557,9 +557,12 @@ static int rsvp_change(struct tcf_proto *tp, unsigned long base,
goto errout;
memset(s, 0, sizeof(*s));
memcpy(s->dst, dst, sizeof(s->dst));
if (pinfo) {
s->dpi = pinfo->dpi;
s->protocol = pinfo->protocol;
s->tunnelid = pinfo->tunnelid;
}
for (sp = &data->ht[h1]; *sp; sp = &(*sp)->next) {
if (((*sp)->dpi.mask&s->dpi.mask) != s->dpi.mask)
break;
......
net/sched/sch_teql.c
View file @ cb84e0b3
......@@ -67,8 +67,9 @@
struct teql_master
{
struct Qdisc_ops qops;
struct net_device dev;
struct net_device *dev;
struct Qdisc *slaves;
struct list_head master_list;
struct net_device_stats stats;
};
......@@ -122,13 +123,13 @@ teql_dequeue(struct Qdisc* sch)
skb = __skb_dequeue(&dat->q);
if (skb == NULL) {
struct net_device *m = dat->m->dev.qdisc->dev;
struct net_device *m = dat->m->dev->qdisc->dev;
if (m) {
dat->m->slaves = sch;
netif_wake_queue(m);
}
}
sch->q.qlen = dat->q.qlen + dat->m->dev.qdisc->q.qlen;
sch->q.qlen = dat->q.qlen + dat->m->dev->qdisc->q.qlen;
return skb;
}
......@@ -165,9 +166,9 @@ teql_destroy(struct Qdisc* sch)
master->slaves = NEXT_SLAVE(q);
if (q == master->slaves) {
master->slaves = NULL;
spin_lock_bh(&master->dev.queue_lock);
qdisc_reset(master->dev.qdisc);
spin_unlock_bh(&master->dev.queue_lock);
spin_lock_bh(&master->dev->queue_lock);
qdisc_reset(master->dev->qdisc);
spin_unlock_bh(&master->dev->queue_lock);
}
}
skb_queue_purge(&dat->q);
......@@ -185,10 +186,10 @@ static int teql_qdisc_init(struct Qdisc *sch, struct rtattr *opt)
struct teql_master *m = (struct teql_master*)sch->ops;
struct teql_sched_data *q = (struct teql_sched_data *)sch->data;
if (dev->hard_header_len > m->dev.hard_header_len)
if (dev->hard_header_len > m->dev->hard_header_len)
return -EINVAL;
if (&m->dev == dev)
if (m->dev == dev)
return -ELOOP;
q->m = m;
......@@ -196,29 +197,29 @@ static int teql_qdisc_init(struct Qdisc *sch, struct rtattr *opt)
skb_queue_head_init(&q->q);
if (m->slaves) {
if (m->dev.flags & IFF_UP) {
if ((m->dev.flags&IFF_POINTOPOINT && !(dev->flags&IFF_POINTOPOINT))
|| (m->dev.flags&IFF_BROADCAST && !(dev->flags&IFF_BROADCAST))
|| (m->dev.flags&IFF_MULTICAST && !(dev->flags&IFF_MULTICAST))
|| dev->mtu < m->dev.mtu)
if (m->dev->flags & IFF_UP) {
if ((m->dev->flags&IFF_POINTOPOINT && !(dev->flags&IFF_POINTOPOINT))
|| (m->dev->flags&IFF_BROADCAST && !(dev->flags&IFF_BROADCAST))
|| (m->dev->flags&IFF_MULTICAST && !(dev->flags&IFF_MULTICAST))
|| dev->mtu < m->dev->mtu)
return -EINVAL;
} else {
if (!(dev->flags&IFF_POINTOPOINT))
m->dev.flags &= ~IFF_POINTOPOINT;
m->dev->flags &= ~IFF_POINTOPOINT;
if (!(dev->flags&IFF_BROADCAST))
m->dev.flags &= ~IFF_BROADCAST;
m->dev->flags &= ~IFF_BROADCAST;
if (!(dev->flags&IFF_MULTICAST))
m->dev.flags &= ~IFF_MULTICAST;
if (dev->mtu < m->dev.mtu)
m->dev.mtu = dev->mtu;
m->dev->flags &= ~IFF_MULTICAST;
if (dev->mtu < m->dev->mtu)
m->dev->mtu = dev->mtu;
}
q->next = NEXT_SLAVE(m->slaves);
NEXT_SLAVE(m->slaves) = sch;
} else {
q->next = sch;
m->slaves = sch;
m->dev.mtu = dev->mtu;
m->dev.flags = (m->dev.flags&~FMASK)|(dev->flags&FMASK);
m->dev->mtu = dev->mtu;
m->dev->flags = (m->dev->flags&~FMASK)|(dev->flags&FMASK);
}
return 0;
}
......@@ -379,9 +380,9 @@ static int teql_master_open(struct net_device *dev)
flags &= ~IFF_MULTICAST;
} while ((q = NEXT_SLAVE(q)) != m->slaves);
m->dev.mtu = mtu;
m->dev.flags = (m->dev.flags&~FMASK) | flags;
netif_start_queue(&m->dev);
m->dev->mtu = mtu;
m->dev->flags = (m->dev->flags&~FMASK) | flags;
netif_start_queue(m->dev);
return 0;
}
......@@ -417,8 +418,30 @@ static int teql_master_mtu(struct net_device *dev, int new_mtu)
return 0;
}
static int teql_master_init(struct net_device *dev)
static __init int teql_master_init(struct net_device *dev)
{
struct teql_master *master = dev->priv;
struct Qdisc_ops *ops = &master->qops;
master->dev = dev;
strlcpy(ops->id, dev->name, IFNAMSIZ);
ops->priv_size = sizeof(struct teql_sched_data);
ops->enqueue = teql_enqueue;
ops->dequeue = teql_dequeue;
ops->requeue = teql_requeue;
ops->init = teql_qdisc_init;
ops->reset = teql_reset;
ops->destroy = teql_destroy;
ops->owner = THIS_MODULE;
return register_qdisc(ops);
}
static __init void teql_master_setup(struct net_device *dev)
{
dev->init = teql_master_init;
dev->open = teql_master_open;
dev->hard_start_xmit = teql_master_xmit;
dev->stop = teql_master_close;
......@@ -429,62 +452,58 @@ static int teql_master_init(struct net_device *dev)
dev->tx_queue_len = 100;
dev->flags = IFF_NOARP;
dev->hard_header_len = LL_MAX_HEADER;
return 0;
SET_MODULE_OWNER(dev);
}
static struct teql_master the_master = {
{
.next = NULL,
.cl_ops = NULL,
.id = "",
.priv_size = sizeof(struct teql_sched_data),
.enqueue = teql_enqueue,
.dequeue = teql_dequeue,
.requeue = teql_requeue,
.drop = NULL,
.init = teql_qdisc_init,
.reset = teql_reset,
.destroy = teql_destroy,
.dump = NULL,
.owner = THIS_MODULE,
},};
#ifdef MODULE
int init_module(void)
#else
static LIST_HEAD(master_dev_list);
static spinlock_t master_dev_lock = SPIN_LOCK_UNLOCKED;
static int max_equalizers = 1;
MODULE_PARM(max_equalizers, "i");
MODULE_PARM_DESC(max_equalizers, "Max number of link equalizers");
int __init teql_init(void)
#endif
{
int err;
int i;
int err = 0;
rtnl_lock();
for (i = 0; i < max_equalizers; i++) {
struct net_device *dev;
struct teql_master *master;
the_master.dev.priv = (void*)&the_master;
err = dev_alloc_name(&the_master.dev, "teql%d");
if (err < 0)
return err;
memcpy(the_master.qops.id, the_master.dev.name, IFNAMSIZ);
the_master.dev.init = teql_master_init;
SET_MODULE_OWNER(&the_master.dev);
err = register_netdevice(&the_master.dev);
if (err == 0) {
err = register_qdisc(&the_master.qops);
if (err)
unregister_netdevice(&the_master.dev);
dev = alloc_netdev(sizeof(struct teql_master),
"teql%d", teql_master_setup);
if (!dev)
return -ENOMEM;
if ((err = register_netdev(dev)))
goto out;
master = dev->priv;
spin_lock(&master_dev_lock);
list_add_tail(&master->master_list, &master_dev_list);
spin_unlock(&master_dev_lock);
}
rtnl_unlock();
out:
return err;
}
#ifdef MODULE
void cleanup_module(void)
static void __exit teql_exit(void)
{
rtnl_lock();
unregister_qdisc(&the_master.qops);
unregister_netdevice(&the_master.dev);
rtnl_unlock();
struct teql_master *master, *nxt;
spin_lock(&master_dev_lock);
list_for_each_entry_safe(master, nxt, &master_dev_list, master_list) {
list_del(&master->master_list);
unregister_qdisc(&master->qops);
unregister_netdev(master->dev);
kfree(master->dev);
}
spin_unlock(&master_dev_lock);
}
#endif
module_init(teql_init);
module_exit(teql_exit);
MODULE_LICENSE("GPL");
net/xfrm/xfrm_state.c
View file @ cb84e0b3
......@@ -370,11 +370,10 @@ xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr,
return x;
}
void xfrm_state_insert(struct xfrm_state *x)
static void __xfrm_state_insert(struct xfrm_state *x)
{
unsigned h = xfrm_dst_hash(&x->id.daddr, x->props.family);
spin_lock_bh(&xfrm_state_lock);
list_add(&x->bydst, xfrm_state_bydst+h);
xfrm_state_hold(x);
......@@ -386,10 +385,62 @@ void xfrm_state_insert(struct xfrm_state *x)
if (!mod_timer(&x->timer, jiffies + HZ))
xfrm_state_hold(x);
spin_unlock_bh(&xfrm_state_lock);
wake_up(&km_waitq);
}
void xfrm_state_insert(struct xfrm_state *x)
{
spin_lock_bh(&xfrm_state_lock);
__xfrm_state_insert(x);
spin_unlock_bh(&xfrm_state_lock);
}
int xfrm_state_replace(struct xfrm_state *x, int excl)
{
struct xfrm_state_afinfo *afinfo;
struct xfrm_state *x1;
int err;
afinfo = xfrm_state_get_afinfo(x->props.family);
x1 = NULL;
spin_lock_bh(&xfrm_state_lock);
if (afinfo) {
x1 = afinfo->state_lookup(&x->id.daddr, x->id.spi, x->id.proto);
if (!x1) {
x1 = afinfo->find_acq(
x->props.mode, x->props.reqid, x->id.proto,
&x->id.daddr, &x->props.saddr, 0);
if (x1 && x1->id.spi != x->id.spi && x1->id.spi) {
xfrm_state_put(x1);
x1 = NULL;
}
}
if (x1 && (excl ? x1->id.spi : xfrm_state_kern(x1))) {
xfrm_state_put(x1);
x1 = NULL;
err = -EEXIST;
goto out;
}
}
__xfrm_state_insert(x);
err = 0;
out:
spin_unlock_bh(&xfrm_state_lock);
if (x1) {
xfrm_state_delete(x1);
xfrm_state_put(x1);
}
xfrm_state_put_afinfo(afinfo);
return err;
}
int xfrm_state_check_expire(struct xfrm_state *x)
{
if (!x->curlft.use_time)
......
net/xfrm/xfrm_user.c
View file @ cb84e0b3
......@@ -249,7 +249,7 @@ static struct xfrm_state *xfrm_state_construct(struct xfrm_usersa_info *p,
static int xfrm_add_sa(struct sk_buff *skb, struct nlmsghdr *nlh, void **xfrma)
{
struct xfrm_usersa_info *p = NLMSG_DATA(nlh);
struct xfrm_state *x, *x1;
struct xfrm_state *x;
int err;
err = verify_newsa_info(p, (struct rtattr **) xfrma);
......@@ -260,16 +260,13 @@ static int xfrm_add_sa(struct sk_buff *skb, struct nlmsghdr *nlh, void **xfrma)
if (!x)
return err;
x1 = xfrm_state_lookup(&x->id.daddr, x->id.spi, x->id.proto, x->props.family);
if (x1) {
err = xfrm_state_replace(x, nlh->nlmsg_type == XFRM_MSG_NEWSA);
if (err < 0) {
x->km.state = XFRM_STATE_DEAD;
xfrm_state_put(x);
xfrm_state_put(x1);
return -EEXIST;
}
xfrm_state_insert(x);
return 0;
return err;
}
static int xfrm_del_sa(struct sk_buff *skb, struct nlmsghdr *nlh, void **xfrma)
......@@ -801,6 +798,7 @@ static const int xfrm_msg_min[(XFRM_MSG_MAX + 1 - XFRM_MSG_BASE)] = {
NLMSG_LENGTH(sizeof(struct xfrm_user_acquire)), /* ACQUIRE */
NLMSG_LENGTH(sizeof(struct xfrm_user_expire)), /* EXPIRE */
NLMSG_LENGTH(sizeof(struct xfrm_userpolicy_info)),/* UPD POLICY */
NLMSG_LENGTH(sizeof(struct xfrm_usersa_info)), /* UPD SA */
};
static struct xfrm_link {
......@@ -823,6 +821,7 @@ static struct xfrm_link {
{},
{},
{ .doit = xfrm_add_policy },
{ .doit = xfrm_add_sa, },
};
static int xfrm_done(struct netlink_callback *cb)
......
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