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Commit 1fa9961d authored by Chas Williams's avatar Chas Williams Committed by David S. Miller
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[ATM]: [lec] indent, comment and whitespace cleanup [continued] 

Signed-off-by: default avatarChas Williams <chas@cmf.nrl.navy.mil>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d44f7746
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Showing with 899 additions and 884 deletions
net/atm/lec.c
View file @ 1fa9961d
......@@ -1418,7 +1418,6 @@ static void lane2_associate_ind(struct net_device *dev, u8 *mac_addr,
*
* lec_arpc.c was added here when making
* lane client modular. October 1997
*
*/
#include <linux/types.h>
......@@ -1429,7 +1428,6 @@ static void lane2_associate_ind(struct net_device *dev, u8 *mac_addr,
#include <linux/inetdevice.h>
#include <net/route.h>
#if 0
#define DPRINTK(format,args...)
/*
......@@ -1452,8 +1450,7 @@ static void lec_arp_expire_arp(unsigned long data);
/*
* Initialization of arp-cache
*/
static void
lec_arp_init(struct lec_priv *priv)
static void lec_arp_init(struct lec_priv *priv)
{
unsigned short i;
......@@ -1468,13 +1465,12 @@ lec_arp_init(struct lec_priv *priv)
add_timer(&priv->lec_arp_timer);
}
static void
lec_arp_clear_vccs(struct lec_arp_table *entry)
static void lec_arp_clear_vccs(struct lec_arp_table *entry)
{
if (entry->vcc) {
struct atm_vcc *vcc = entry->vcc;
struct lec_vcc_priv *vpriv = LEC_VCC_PRIV(vcc);
struct net_device *dev = (struct net_device*) vcc->proto_data;
struct net_device *dev = (struct net_device *)vcc->proto_data;
vcc->pop = vpriv->old_pop;
if (vpriv->xoff)
......@@ -1502,7 +1498,7 @@ lec_arp_add(struct lec_priv *priv, struct lec_arp_table *to_add)
unsigned short place;
struct lec_arp_table *tmp;
place = HASH(to_add->mac_addr[ETH_ALEN-1]);
place = HASH(to_add->mac_addr[ETH_ALEN - 1]);
tmp = priv->lec_arp_tables[place];
to_add->next = NULL;
if (tmp == NULL)
......@@ -1515,34 +1511,33 @@ lec_arp_add(struct lec_priv *priv, struct lec_arp_table *to_add)
}
DPRINTK("LEC_ARP: Added entry:%2.2x %2.2x %2.2x %2.2x %2.2x %2.2x\n",
0xff&to_add->mac_addr[0], 0xff&to_add->mac_addr[1],
0xff&to_add->mac_addr[2], 0xff&to_add->mac_addr[3],
0xff&to_add->mac_addr[4], 0xff&to_add->mac_addr[5]);
0xff & to_add->mac_addr[0], 0xff & to_add->mac_addr[1],
0xff & to_add->mac_addr[2], 0xff & to_add->mac_addr[3],
0xff & to_add->mac_addr[4], 0xff & to_add->mac_addr[5]);
}
/*
* Remove entry from lec_arp_table
*/
static int
lec_arp_remove(struct lec_priv *priv,
struct lec_arp_table *to_remove)
lec_arp_remove(struct lec_priv *priv, struct lec_arp_table *to_remove)
{
unsigned short place;
struct lec_arp_table *tmp;
int remove_vcc=1;
int remove_vcc = 1;
if (!to_remove) {
return -1;
}
place = HASH(to_remove->mac_addr[ETH_ALEN-1]);
place = HASH(to_remove->mac_addr[ETH_ALEN - 1]);
tmp = priv->lec_arp_tables[place];
if (tmp == to_remove) {
priv->lec_arp_tables[place] = tmp->next;
} else {
while(tmp && tmp->next != to_remove) {
while (tmp && tmp->next != to_remove) {
tmp = tmp->next;
}
if (!tmp) {/* Entry was not found */
if (!tmp) { /* Entry was not found */
return -1;
}
}
......@@ -1555,11 +1550,13 @@ lec_arp_remove(struct lec_priv *priv,
/*
* ESI_FLUSH_PENDING, ESI_FORWARD_DIRECT
*/
for(place = 0; place < LEC_ARP_TABLE_SIZE; place++) {
for(tmp = priv->lec_arp_tables[place]; tmp != NULL; tmp = tmp->next) {
if (memcmp(tmp->atm_addr, to_remove->atm_addr,
ATM_ESA_LEN)==0) {
remove_vcc=0;
for (place = 0; place < LEC_ARP_TABLE_SIZE; place++) {
for (tmp = priv->lec_arp_tables[place]; tmp != NULL;
tmp = tmp->next) {
if (memcmp
(tmp->atm_addr, to_remove->atm_addr,
ATM_ESA_LEN) == 0) {
remove_vcc = 0;
break;
}
}
......@@ -1570,17 +1567,16 @@ lec_arp_remove(struct lec_priv *priv,
skb_queue_purge(&to_remove->tx_wait); /* FIXME: good place for this? */
DPRINTK("LEC_ARP: Removed entry:%2.2x %2.2x %2.2x %2.2x %2.2x %2.2x\n",
0xff&to_remove->mac_addr[0], 0xff&to_remove->mac_addr[1],
0xff&to_remove->mac_addr[2], 0xff&to_remove->mac_addr[3],
0xff&to_remove->mac_addr[4], 0xff&to_remove->mac_addr[5]);
0xff & to_remove->mac_addr[0], 0xff & to_remove->mac_addr[1],
0xff & to_remove->mac_addr[2], 0xff & to_remove->mac_addr[3],
0xff & to_remove->mac_addr[4], 0xff & to_remove->mac_addr[5]);
return 0;
}
#if DEBUG_ARP_TABLE
static char*
get_status_string(unsigned char st)
static char *get_status_string(unsigned char st)
{
switch(st) {
switch (st) {
case ESI_UNKNOWN:
return "ESI_UNKNOWN";
case ESI_ARP_PENDING:
......@@ -1597,11 +1593,10 @@ get_status_string(unsigned char st)
}
#endif
static void
dump_arp_table(struct lec_priv *priv)
static void dump_arp_table(struct lec_priv *priv)
{
#if DEBUG_ARP_TABLE
int i,j, offset;
int i, j, offset;
struct lec_arp_table *rulla;
char buf[1024];
struct lec_arp_table **lec_arp_tables =
......@@ -1612,135 +1607,136 @@ dump_arp_table(struct lec_priv *priv)
(struct lec_arp_table *)priv->lec_no_forward;
struct lec_arp_table *mcast_fwds = priv->mcast_fwds;
printk("Dump %p:\n",priv);
for (i=0;i<LEC_ARP_TABLE_SIZE;i++) {
printk("Dump %p:\n", priv);
for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
rulla = lec_arp_tables[i];
offset = 0;
offset += sprintf(buf,"%d: %p\n",i, rulla);
offset += sprintf(buf, "%d: %p\n", i, rulla);
while (rulla) {
offset += sprintf(buf+offset,"Mac:");
for(j=0;j<ETH_ALEN;j++) {
offset+=sprintf(buf+offset,
offset += sprintf(buf + offset, "Mac:");
for (j = 0; j < ETH_ALEN; j++) {
offset += sprintf(buf + offset,
"%2.2x ",
rulla->mac_addr[j]&0xff);
rulla->mac_addr[j] & 0xff);
}
offset +=sprintf(buf+offset,"Atm:");
for(j=0;j<ATM_ESA_LEN;j++) {
offset+=sprintf(buf+offset,
offset += sprintf(buf + offset, "Atm:");
for (j = 0; j < ATM_ESA_LEN; j++) {
offset += sprintf(buf + offset,
"%2.2x ",
rulla->atm_addr[j]&0xff);
rulla->atm_addr[j] & 0xff);
}
offset+=sprintf(buf+offset,
offset += sprintf(buf + offset,
"Vcc vpi:%d vci:%d, Recv_vcc vpi:%d vci:%d Last_used:%lx, Timestamp:%lx, No_tries:%d ",
rulla->vcc?rulla->vcc->vpi:0,
rulla->vcc?rulla->vcc->vci:0,
rulla->recv_vcc?rulla->recv_vcc->vpi:0,
rulla->recv_vcc?rulla->recv_vcc->vci:0,
rulla->last_used,
rulla->vcc ? rulla->vcc->vpi : 0,
rulla->vcc ? rulla->vcc->vci : 0,
rulla->recv_vcc ? rulla->recv_vcc->
vpi : 0,
rulla->recv_vcc ? rulla->recv_vcc->
vci : 0, rulla->last_used,
rulla->timestamp, rulla->no_tries);
offset+=sprintf(buf+offset,
offset +=
sprintf(buf + offset,
"Flags:%x, Packets_flooded:%x, Status: %s ",
rulla->flags, rulla->packets_flooded,
get_status_string(rulla->status));
offset+=sprintf(buf+offset,"->%p\n",rulla->next);
offset += sprintf(buf + offset, "->%p\n", rulla->next);
rulla = rulla->next;
}
printk("%s",buf);
printk("%s", buf);
}
rulla = lec_no_forward;
if (rulla)
printk("No forward\n");
while(rulla) {
offset=0;
offset += sprintf(buf+offset,"Mac:");
for(j=0;j<ETH_ALEN;j++) {
offset+=sprintf(buf+offset,"%2.2x ",
rulla->mac_addr[j]&0xff);
}
offset +=sprintf(buf+offset,"Atm:");
for(j=0;j<ATM_ESA_LEN;j++) {
offset+=sprintf(buf+offset,"%2.2x ",
rulla->atm_addr[j]&0xff);
}
offset+=sprintf(buf+offset,
while (rulla) {
offset = 0;
offset += sprintf(buf + offset, "Mac:");
for (j = 0; j < ETH_ALEN; j++) {
offset += sprintf(buf + offset, "%2.2x ",
rulla->mac_addr[j] & 0xff);
}
offset += sprintf(buf + offset, "Atm:");
for (j = 0; j < ATM_ESA_LEN; j++) {
offset += sprintf(buf + offset, "%2.2x ",
rulla->atm_addr[j] & 0xff);
}
offset += sprintf(buf + offset,
"Vcc vpi:%d vci:%d, Recv_vcc vpi:%d vci:%d Last_used:%lx, Timestamp:%lx, No_tries:%d ",
rulla->vcc?rulla->vcc->vpi:0,
rulla->vcc?rulla->vcc->vci:0,
rulla->recv_vcc?rulla->recv_vcc->vpi:0,
rulla->recv_vcc?rulla->recv_vcc->vci:0,
rulla->vcc ? rulla->vcc->vpi : 0,
rulla->vcc ? rulla->vcc->vci : 0,
rulla->recv_vcc ? rulla->recv_vcc->vpi : 0,
rulla->recv_vcc ? rulla->recv_vcc->vci : 0,
rulla->last_used,
rulla->timestamp, rulla->no_tries);
offset+=sprintf(buf+offset,
offset += sprintf(buf + offset,
"Flags:%x, Packets_flooded:%x, Status: %s ",
rulla->flags, rulla->packets_flooded,
get_status_string(rulla->status));
offset+=sprintf(buf+offset,"->%lx\n",(long)rulla->next);
offset += sprintf(buf + offset, "->%lx\n", (long)rulla->next);
rulla = rulla->next;
printk("%s",buf);
printk("%s", buf);
}
rulla = lec_arp_empty_ones;
if (rulla)
printk("Empty ones\n");
while(rulla) {
offset=0;
offset += sprintf(buf+offset,"Mac:");
for(j=0;j<ETH_ALEN;j++) {
offset+=sprintf(buf+offset,"%2.2x ",
rulla->mac_addr[j]&0xff);
}
offset +=sprintf(buf+offset,"Atm:");
for(j=0;j<ATM_ESA_LEN;j++) {
offset+=sprintf(buf+offset,"%2.2x ",
rulla->atm_addr[j]&0xff);
}
offset+=sprintf(buf+offset,
while (rulla) {
offset = 0;
offset += sprintf(buf + offset, "Mac:");
for (j = 0; j < ETH_ALEN; j++) {
offset += sprintf(buf + offset, "%2.2x ",
rulla->mac_addr[j] & 0xff);
}
offset += sprintf(buf + offset, "Atm:");
for (j = 0; j < ATM_ESA_LEN; j++) {
offset += sprintf(buf + offset, "%2.2x ",
rulla->atm_addr[j] & 0xff);
}
offset += sprintf(buf + offset,
"Vcc vpi:%d vci:%d, Recv_vcc vpi:%d vci:%d Last_used:%lx, Timestamp:%lx, No_tries:%d ",
rulla->vcc?rulla->vcc->vpi:0,
rulla->vcc?rulla->vcc->vci:0,
rulla->recv_vcc?rulla->recv_vcc->vpi:0,
rulla->recv_vcc?rulla->recv_vcc->vci:0,
rulla->vcc ? rulla->vcc->vpi : 0,
rulla->vcc ? rulla->vcc->vci : 0,
rulla->recv_vcc ? rulla->recv_vcc->vpi : 0,
rulla->recv_vcc ? rulla->recv_vcc->vci : 0,
rulla->last_used,
rulla->timestamp, rulla->no_tries);
offset+=sprintf(buf+offset,
offset += sprintf(buf + offset,
"Flags:%x, Packets_flooded:%x, Status: %s ",
rulla->flags, rulla->packets_flooded,
get_status_string(rulla->status));
offset+=sprintf(buf+offset,"->%lx\n",(long)rulla->next);
offset += sprintf(buf + offset, "->%lx\n", (long)rulla->next);
rulla = rulla->next;
printk("%s",buf);
printk("%s", buf);
}
rulla = mcast_fwds;
if (rulla)
printk("Multicast Forward VCCs\n");
while(rulla) {
offset=0;
offset += sprintf(buf+offset,"Mac:");
for(j=0;j<ETH_ALEN;j++) {
offset+=sprintf(buf+offset,"%2.2x ",
rulla->mac_addr[j]&0xff);
}
offset +=sprintf(buf+offset,"Atm:");
for(j=0;j<ATM_ESA_LEN;j++) {
offset+=sprintf(buf+offset,"%2.2x ",
rulla->atm_addr[j]&0xff);
}
offset+=sprintf(buf+offset,
while (rulla) {
offset = 0;
offset += sprintf(buf + offset, "Mac:");
for (j = 0; j < ETH_ALEN; j++) {
offset += sprintf(buf + offset, "%2.2x ",
rulla->mac_addr[j] & 0xff);
}
offset += sprintf(buf + offset, "Atm:");
for (j = 0; j < ATM_ESA_LEN; j++) {
offset += sprintf(buf + offset, "%2.2x ",
rulla->atm_addr[j] & 0xff);
}
offset += sprintf(buf + offset,
"Vcc vpi:%d vci:%d, Recv_vcc vpi:%d vci:%d Last_used:%lx, Timestamp:%lx, No_tries:%d ",
rulla->vcc?rulla->vcc->vpi:0,
rulla->vcc?rulla->vcc->vci:0,
rulla->recv_vcc?rulla->recv_vcc->vpi:0,
rulla->recv_vcc?rulla->recv_vcc->vci:0,
rulla->vcc ? rulla->vcc->vpi : 0,
rulla->vcc ? rulla->vcc->vci : 0,
rulla->recv_vcc ? rulla->recv_vcc->vpi : 0,
rulla->recv_vcc ? rulla->recv_vcc->vci : 0,
rulla->last_used,
rulla->timestamp, rulla->no_tries);
offset+=sprintf(buf+offset,
offset += sprintf(buf + offset,
"Flags:%x, Packets_flooded:%x, Status: %s ",
rulla->flags, rulla->packets_flooded,
get_status_string(rulla->status));
offset+=sprintf(buf+offset,"->%lx\n",(long)rulla->next);
offset += sprintf(buf + offset, "->%lx\n", (long)rulla->next);
rulla = rulla->next;
printk("%s",buf);
printk("%s", buf);
}
#endif
......@@ -1749,8 +1745,7 @@ dump_arp_table(struct lec_priv *priv)
/*
* Destruction of arp-cache
*/
static void
lec_arp_destroy(struct lec_priv *priv)
static void lec_arp_destroy(struct lec_priv *priv)
{
unsigned long flags;
struct lec_arp_table *entry, *next;
......@@ -1764,14 +1759,15 @@ lec_arp_destroy(struct lec_priv *priv)
spin_lock_irqsave(&priv->lec_arp_lock, flags);
for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
for(entry = priv->lec_arp_tables[i]; entry != NULL; entry=next) {
for (entry = priv->lec_arp_tables[i]; entry != NULL;
entry = next) {
next = entry->next;
lec_arp_remove(priv, entry);
kfree(entry);
}
}
entry = priv->lec_arp_empty_ones;
while(entry) {
while (entry) {
next = entry->next;
del_timer_sync(&entry->timer);
lec_arp_clear_vccs(entry);
......@@ -1780,7 +1776,7 @@ lec_arp_destroy(struct lec_priv *priv)
}
priv->lec_arp_empty_ones = NULL;
entry = priv->lec_no_forward;
while(entry) {
while (entry) {
next = entry->next;
del_timer_sync(&entry->timer);
lec_arp_clear_vccs(entry);
......@@ -1789,7 +1785,7 @@ lec_arp_destroy(struct lec_priv *priv)
}
priv->lec_no_forward = NULL;
entry = priv->mcast_fwds;
while(entry) {
while (entry) {
next = entry->next;
/* No timer, LANEv2 7.1.20 and 2.3.5.3 */
lec_arp_clear_vccs(entry);
......@@ -1803,24 +1799,22 @@ lec_arp_destroy(struct lec_priv *priv)
spin_unlock_irqrestore(&priv->lec_arp_lock, flags);
}
/*
* Find entry by mac_address
*/
static struct lec_arp_table*
lec_arp_find(struct lec_priv *priv,
static struct lec_arp_table *lec_arp_find(struct lec_priv *priv,
unsigned char *mac_addr)
{
unsigned short place;
struct lec_arp_table *to_return;
DPRINTK("LEC_ARP: lec_arp_find :%2.2x %2.2x %2.2x %2.2x %2.2x %2.2x\n",
mac_addr[0]&0xff, mac_addr[1]&0xff, mac_addr[2]&0xff,
mac_addr[3]&0xff, mac_addr[4]&0xff, mac_addr[5]&0xff);
place = HASH(mac_addr[ETH_ALEN-1]);
mac_addr[0] & 0xff, mac_addr[1] & 0xff, mac_addr[2] & 0xff,
mac_addr[3] & 0xff, mac_addr[4] & 0xff, mac_addr[5] & 0xff);
place = HASH(mac_addr[ETH_ALEN - 1]);
to_return = priv->lec_arp_tables[place];
while(to_return) {
while (to_return) {
if (!compare_ether_addr(mac_addr, to_return->mac_addr)) {
return to_return;
}
......@@ -1829,8 +1823,8 @@ lec_arp_find(struct lec_priv *priv,
return NULL;
}
static struct lec_arp_table*
make_entry(struct lec_priv *priv, unsigned char *mac_addr)
static struct lec_arp_table *make_entry(struct lec_priv *priv,
unsigned char *mac_addr)
{
struct lec_arp_table *to_return;
......@@ -1842,20 +1836,15 @@ make_entry(struct lec_priv *priv, unsigned char *mac_addr)
memcpy(to_return->mac_addr, mac_addr, ETH_ALEN);
init_timer(&to_return->timer);
to_return->timer.function = lec_arp_expire_arp;
to_return->timer.data = (unsigned long) to_return;
to_return->timer.data = (unsigned long)to_return;
to_return->last_used = jiffies;
to_return->priv = priv;
skb_queue_head_init(&to_return->tx_wait);
return to_return;
}
/*
*
* Arp sent timer expired
*
*/
static void
lec_arp_expire_arp(unsigned long data)
/* Arp sent timer expired */
static void lec_arp_expire_arp(unsigned long data)
{
struct lec_arp_table *entry;
......@@ -1865,25 +1854,22 @@ lec_arp_expire_arp(unsigned long data)
if (entry->status == ESI_ARP_PENDING) {
if (entry->no_tries <= entry->priv->max_retry_count) {
if (entry->is_rdesc)
send_to_lecd(entry->priv, l_rdesc_arp_xmt, entry->mac_addr, NULL, NULL);
send_to_lecd(entry->priv, l_rdesc_arp_xmt,
entry->mac_addr, NULL, NULL);
else
send_to_lecd(entry->priv, l_arp_xmt, entry->mac_addr, NULL, NULL);
send_to_lecd(entry->priv, l_arp_xmt,
entry->mac_addr, NULL, NULL);
entry->no_tries++;
}
mod_timer(&entry->timer, jiffies + (1*HZ));
mod_timer(&entry->timer, jiffies + (1 * HZ));
}
}
/*
*
* Unknown/unused vcc expire, remove associated entry
*
*/
static void
lec_arp_expire_vcc(unsigned long data)
/* Unknown/unused vcc expire, remove associated entry */
static void lec_arp_expire_vcc(unsigned long data)
{
unsigned long flags;
struct lec_arp_table *to_remove = (struct lec_arp_table*)data;
struct lec_arp_table *to_remove = (struct lec_arp_table *)data;
struct lec_priv *priv = (struct lec_priv *)to_remove->priv;
struct lec_arp_table *entry = NULL;
......@@ -1891,9 +1877,10 @@ lec_arp_expire_vcc(unsigned long data)
DPRINTK("LEC_ARP %p %p: lec_arp_expire_vcc vpi:%d vci:%d\n",
to_remove, priv,
to_remove->vcc?to_remove->recv_vcc->vpi:0,
to_remove->vcc?to_remove->recv_vcc->vci:0);
DPRINTK("eo:%p nf:%p\n",priv->lec_arp_empty_ones,priv->lec_no_forward);
to_remove->vcc ? to_remove->recv_vcc->vpi : 0,
to_remove->vcc ? to_remove->recv_vcc->vci : 0);
DPRINTK("eo:%p nf:%p\n", priv->lec_arp_empty_ones,
priv->lec_no_forward);
spin_lock_irqsave(&priv->lec_arp_lock, flags);
if (to_remove == priv->lec_arp_empty_ones)
......@@ -1938,8 +1925,7 @@ lec_arp_expire_vcc(unsigned long data)
* to ESI_FORWARD_DIRECT. This causes the flush period to end
* regardless of the progress of the flush protocol.
*/
static void
lec_arp_check_expire(unsigned long data)
static void lec_arp_check_expire(unsigned long data)
{
unsigned long flags;
struct lec_priv *priv = (struct lec_priv *)data;
......@@ -1948,13 +1934,13 @@ lec_arp_check_expire(unsigned long data)
unsigned long time_to_check;
int i;
DPRINTK("lec_arp_check_expire %p\n",priv);
DPRINTK("expire: eo:%p nf:%p\n",priv->lec_arp_empty_ones,
DPRINTK("lec_arp_check_expire %p\n", priv);
DPRINTK("expire: eo:%p nf:%p\n", priv->lec_arp_empty_ones,
priv->lec_no_forward);
now = jiffies;
spin_lock_irqsave(&priv->lec_arp_lock, flags);
for(i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
for(entry = priv->lec_arp_tables[i]; entry != NULL; ) {
for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
for (entry = priv->lec_arp_tables[i]; entry != NULL;) {
if ((entry->flags) & LEC_REMOTE_FLAG &&
priv->topology_change)
time_to_check = priv->forward_delay_time;
......@@ -1962,11 +1948,10 @@ lec_arp_check_expire(unsigned long data)
time_to_check = priv->aging_time;
DPRINTK("About to expire: %lx - %lx > %lx\n",
now,entry->last_used, time_to_check);
if( time_after(now, entry->last_used+
time_to_check) &&
!(entry->flags & LEC_PERMANENT_FLAG) &&
!(entry->mac_addr[0] & 0x01) ) { /* LANE2: 7.1.20 */
now, entry->last_used, time_to_check);
if (time_after(now, entry->last_used + time_to_check)
&& !(entry->flags & LEC_PERMANENT_FLAG)
&& !(entry->mac_addr[0] & 0x01)) { /* LANE2: 7.1.20 */
/* Remove entry */
DPRINTK("LEC:Entry timed out\n");
next = entry->next;
......@@ -1979,23 +1964,29 @@ lec_arp_check_expire(unsigned long data)
entry->status == ESI_ARP_PENDING)
&& time_after_eq(now,
entry->timestamp +
priv->max_unknown_frame_time)) {
priv->
max_unknown_frame_time)) {
entry->timestamp = jiffies;
entry->packets_flooded = 0;
if (entry->status == ESI_VC_PENDING)
send_to_lecd(priv, l_svc_setup, entry->mac_addr, entry->atm_addr, NULL);
send_to_lecd(priv, l_svc_setup,
entry->mac_addr,
entry->atm_addr,
NULL);
}
if (entry->status == ESI_FLUSH_PENDING
&&
time_after_eq(now, entry->timestamp+
time_after_eq(now, entry->timestamp +
priv->path_switching_delay)) {
struct sk_buff *skb;
while ((skb = skb_dequeue(&entry->tx_wait)) != NULL)
lec_send(entry->vcc, skb, entry->priv);
while ((skb =
skb_dequeue(&entry->tx_wait)) !=
NULL)
lec_send(entry->vcc, skb,
entry->priv);
entry->last_used = jiffies;
entry->status =
ESI_FORWARD_DIRECT;
entry->status = ESI_FORWARD_DIRECT;
}
entry = entry->next;
}
......@@ -2005,13 +1996,14 @@ lec_arp_check_expire(unsigned long data)
mod_timer(&priv->lec_arp_timer, jiffies + LEC_ARP_REFRESH_INTERVAL);
}
/*
* Try to find vcc where mac_address is attached.
*
*/
static struct atm_vcc*
lec_arp_resolve(struct lec_priv *priv, unsigned char *mac_to_find,
int is_rdesc, struct lec_arp_table **ret_entry)
static struct atm_vcc *lec_arp_resolve(struct lec_priv *priv,
unsigned char *mac_to_find, int is_rdesc,
struct lec_arp_table **ret_entry)
{
unsigned long flags;
struct lec_arp_table *entry;
......@@ -2042,29 +2034,35 @@ lec_arp_resolve(struct lec_priv *priv, unsigned char *mac_to_find,
found = entry->vcc;
goto out;
}
/* If the LE_ARP cache entry is still pending, reset count to 0
/*
* If the LE_ARP cache entry is still pending, reset count to 0
* so another LE_ARP request can be made for this frame.
*/
if (entry->status == ESI_ARP_PENDING) {
entry->no_tries = 0;
}
/* Data direct VC not yet set up, check to see if the unknown
frame count is greater than the limit. If the limit has
not been reached, allow the caller to send packet to
BUS. */
/*
* Data direct VC not yet set up, check to see if the unknown
* frame count is greater than the limit. If the limit has
* not been reached, allow the caller to send packet to
* BUS.
*/
if (entry->status != ESI_FLUSH_PENDING &&
entry->packets_flooded<priv->maximum_unknown_frame_count) {
entry->packets_flooded <
priv->maximum_unknown_frame_count) {
entry->packets_flooded++;
DPRINTK("LEC_ARP: Flooding..\n");
found = priv->mcast_vcc;
goto out;
}
/* We got here because entry->status == ESI_FLUSH_PENDING
/*
* We got here because entry->status == ESI_FLUSH_PENDING
* or BUS flood limit was reached for an entry which is
* in ESI_ARP_PENDING or ESI_VC_PENDING state.
*/
*ret_entry = entry;
DPRINTK("lec: entry->status %d entry->vcc %p\n", entry->status, entry->vcc);
DPRINTK("lec: entry->status %d entry->vcc %p\n", entry->status,
entry->vcc);
found = NULL;
} else {
/* No matching entry was found */
......@@ -2076,16 +2074,17 @@ lec_arp_resolve(struct lec_priv *priv, unsigned char *mac_to_find,
}
lec_arp_add(priv, entry);
/* We want arp-request(s) to be sent */
entry->packets_flooded =1;
entry->packets_flooded = 1;
entry->status = ESI_ARP_PENDING;
entry->no_tries = 1;
entry->last_used = entry->timestamp = jiffies;
entry->is_rdesc = is_rdesc;
if (entry->is_rdesc)
send_to_lecd(priv, l_rdesc_arp_xmt, mac_to_find, NULL, NULL);
send_to_lecd(priv, l_rdesc_arp_xmt, mac_to_find, NULL,
NULL);
else
send_to_lecd(priv, l_arp_xmt, mac_to_find, NULL, NULL);
entry->timer.expires = jiffies + (1*HZ);
entry->timer.expires = jiffies + (1 * HZ);
entry->timer.function = lec_arp_expire_arp;
add_timer(&entry->timer);
found = priv->mcast_vcc;
......@@ -2106,8 +2105,9 @@ lec_addr_delete(struct lec_priv *priv, unsigned char *atm_addr,
DPRINTK("lec_addr_delete\n");
spin_lock_irqsave(&priv->lec_arp_lock, flags);
for(i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
for(entry = priv->lec_arp_tables[i]; entry != NULL; entry = next) {
for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
for (entry = priv->lec_arp_tables[i]; entry != NULL;
entry = next) {
next = entry->next;
if (!memcmp(atm_addr, entry->atm_addr, ATM_ESA_LEN)
&& (permanent ||
......@@ -2135,15 +2135,16 @@ lec_arp_update(struct lec_priv *priv, unsigned char *mac_addr,
struct lec_arp_table *entry, *tmp;
int i;
DPRINTK("lec:%s", (targetless_le_arp) ? "targetless ": " ");
DPRINTK("lec:%s", (targetless_le_arp) ? "targetless " : " ");
DPRINTK("lec_arp_update mac:%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x\n",
mac_addr[0],mac_addr[1],mac_addr[2],mac_addr[3],
mac_addr[4],mac_addr[5]);
mac_addr[0], mac_addr[1], mac_addr[2], mac_addr[3],
mac_addr[4], mac_addr[5]);
spin_lock_irqsave(&priv->lec_arp_lock, flags);
entry = lec_arp_find(priv, mac_addr);
if (entry == NULL && targetless_le_arp)
goto out; /* LANE2: ignore targetless LE_ARPs for which
goto out; /*
* LANE2: ignore targetless LE_ARPs for which
* we have no entry in the cache. 7.1.30
*/
if (priv->lec_arp_empty_ones) {
......@@ -2151,7 +2152,7 @@ lec_arp_update(struct lec_priv *priv, unsigned char *mac_addr,
if (!memcmp(entry->atm_addr, atm_addr, ATM_ESA_LEN)) {
priv->lec_arp_empty_ones = entry->next;
} else {
while(entry->next && memcmp(entry->next->atm_addr,
while (entry->next && memcmp(entry->next->atm_addr,
atm_addr, ATM_ESA_LEN))
entry = entry->next;
if (entry->next) {
......@@ -2174,7 +2175,7 @@ lec_arp_update(struct lec_priv *priv, unsigned char *mac_addr,
tmp->last_used = jiffies;
del_timer(&entry->timer);
kfree(entry);
entry=tmp;
entry = tmp;
} else {
entry->status = ESI_FORWARD_DIRECT;
memcpy(entry->mac_addr, mac_addr, ETH_ALEN);
......@@ -2182,9 +2183,9 @@ lec_arp_update(struct lec_priv *priv, unsigned char *mac_addr,
lec_arp_add(priv, entry);
}
if (remoteflag)
entry->flags|=LEC_REMOTE_FLAG;
entry->flags |= LEC_REMOTE_FLAG;
else
entry->flags&=~LEC_REMOTE_FLAG;
entry->flags &= ~LEC_REMOTE_FLAG;
DPRINTK("After update\n");
dump_arp_table(priv);
goto out;
......@@ -2201,11 +2202,10 @@ lec_arp_update(struct lec_priv *priv, unsigned char *mac_addr,
}
memcpy(entry->atm_addr, atm_addr, ATM_ESA_LEN);
del_timer(&entry->timer);
for(i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
for(tmp = priv->lec_arp_tables[i]; tmp; tmp=tmp->next) {
for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
for (tmp = priv->lec_arp_tables[i]; tmp; tmp = tmp->next) {
if (entry != tmp &&
!memcmp(tmp->atm_addr, atm_addr,
ATM_ESA_LEN)) {
!memcmp(tmp->atm_addr, atm_addr, ATM_ESA_LEN)) {
/* Vcc to this host exists */
if (tmp->status > ESI_VC_PENDING) {
/*
......@@ -2213,21 +2213,21 @@ lec_arp_update(struct lec_priv *priv, unsigned char *mac_addr,
* ESI_FORWARD_DIRECT
*/
entry->vcc = tmp->vcc;
entry->old_push=tmp->old_push;
entry->old_push = tmp->old_push;
}
entry->status=tmp->status;
entry->status = tmp->status;
break;
}
}
}
if (remoteflag)
entry->flags|=LEC_REMOTE_FLAG;
entry->flags |= LEC_REMOTE_FLAG;
else
entry->flags&=~LEC_REMOTE_FLAG;
if (entry->status == ESI_ARP_PENDING ||
entry->status == ESI_UNKNOWN) {
entry->flags &= ~LEC_REMOTE_FLAG;
if (entry->status == ESI_ARP_PENDING || entry->status == ESI_UNKNOWN) {
entry->status = ESI_VC_PENDING;
send_to_lecd(priv, l_svc_setup, entry->mac_addr, atm_addr, NULL);
send_to_lecd(priv, l_svc_setup, entry->mac_addr, atm_addr,
NULL);
}
DPRINTK("After update2\n");
dump_arp_table(priv);
......@@ -2241,11 +2241,11 @@ lec_arp_update(struct lec_priv *priv, unsigned char *mac_addr,
static void
lec_vcc_added(struct lec_priv *priv, struct atmlec_ioc *ioc_data,
struct atm_vcc *vcc,
void (*old_push)(struct atm_vcc *vcc, struct sk_buff *skb))
void (*old_push) (struct atm_vcc *vcc, struct sk_buff *skb))
{
unsigned long flags;
struct lec_arp_table *entry;
int i, found_entry=0;
int i, found_entry = 0;
spin_lock_irqsave(&priv->lec_arp_lock, flags);
if (ioc_data->receive == 2) {
......@@ -2273,19 +2273,23 @@ lec_vcc_added(struct lec_priv *priv, struct atmlec_ioc *ioc_data,
priv->mcast_fwds = entry;
goto out;
} else if (ioc_data->receive == 1) {
/* Vcc which we don't want to make default vcc, attach it
anyway. */
DPRINTK("LEC_ARP:Attaching data direct, not default :%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x\n",
ioc_data->atm_addr[0],ioc_data->atm_addr[1],
ioc_data->atm_addr[2],ioc_data->atm_addr[3],
ioc_data->atm_addr[4],ioc_data->atm_addr[5],
ioc_data->atm_addr[6],ioc_data->atm_addr[7],
ioc_data->atm_addr[8],ioc_data->atm_addr[9],
ioc_data->atm_addr[10],ioc_data->atm_addr[11],
ioc_data->atm_addr[12],ioc_data->atm_addr[13],
ioc_data->atm_addr[14],ioc_data->atm_addr[15],
ioc_data->atm_addr[16],ioc_data->atm_addr[17],
ioc_data->atm_addr[18],ioc_data->atm_addr[19]);
/*
* Vcc which we don't want to make default vcc,
* attach it anyway.
*/
DPRINTK
("LEC_ARP:Attaching data direct, not default: "
"%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x\n",
ioc_data->atm_addr[0], ioc_data->atm_addr[1],
ioc_data->atm_addr[2], ioc_data->atm_addr[3],
ioc_data->atm_addr[4], ioc_data->atm_addr[5],
ioc_data->atm_addr[6], ioc_data->atm_addr[7],
ioc_data->atm_addr[8], ioc_data->atm_addr[9],
ioc_data->atm_addr[10], ioc_data->atm_addr[11],
ioc_data->atm_addr[12], ioc_data->atm_addr[13],
ioc_data->atm_addr[14], ioc_data->atm_addr[15],
ioc_data->atm_addr[16], ioc_data->atm_addr[17],
ioc_data->atm_addr[18], ioc_data->atm_addr[19]);
entry = make_entry(priv, bus_mac);
if (entry == NULL)
goto out;
......@@ -2302,32 +2306,37 @@ lec_vcc_added(struct lec_priv *priv, struct atmlec_ioc *ioc_data,
dump_arp_table(priv);
goto out;
}
DPRINTK("LEC_ARP:Attaching data direct, default:%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x\n",
ioc_data->atm_addr[0],ioc_data->atm_addr[1],
ioc_data->atm_addr[2],ioc_data->atm_addr[3],
ioc_data->atm_addr[4],ioc_data->atm_addr[5],
ioc_data->atm_addr[6],ioc_data->atm_addr[7],
ioc_data->atm_addr[8],ioc_data->atm_addr[9],
ioc_data->atm_addr[10],ioc_data->atm_addr[11],
ioc_data->atm_addr[12],ioc_data->atm_addr[13],
ioc_data->atm_addr[14],ioc_data->atm_addr[15],
ioc_data->atm_addr[16],ioc_data->atm_addr[17],
ioc_data->atm_addr[18],ioc_data->atm_addr[19]);
DPRINTK
("LEC_ARP:Attaching data direct, default: "
"%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x\n",
ioc_data->atm_addr[0], ioc_data->atm_addr[1],
ioc_data->atm_addr[2], ioc_data->atm_addr[3],
ioc_data->atm_addr[4], ioc_data->atm_addr[5],
ioc_data->atm_addr[6], ioc_data->atm_addr[7],
ioc_data->atm_addr[8], ioc_data->atm_addr[9],
ioc_data->atm_addr[10], ioc_data->atm_addr[11],
ioc_data->atm_addr[12], ioc_data->atm_addr[13],
ioc_data->atm_addr[14], ioc_data->atm_addr[15],
ioc_data->atm_addr[16], ioc_data->atm_addr[17],
ioc_data->atm_addr[18], ioc_data->atm_addr[19]);
for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
for (entry = priv->lec_arp_tables[i]; entry; entry=entry->next) {
if (memcmp(ioc_data->atm_addr, entry->atm_addr,
ATM_ESA_LEN)==0) {
for (entry = priv->lec_arp_tables[i]; entry;
entry = entry->next) {
if (memcmp
(ioc_data->atm_addr, entry->atm_addr,
ATM_ESA_LEN) == 0) {
DPRINTK("LEC_ARP: Attaching data direct\n");
DPRINTK("Currently -> Vcc: %d, Rvcc:%d\n",
entry->vcc?entry->vcc->vci:0,
entry->recv_vcc?entry->recv_vcc->vci:0);
found_entry=1;
entry->vcc ? entry->vcc->vci : 0,
entry->recv_vcc ? entry->recv_vcc->
vci : 0);
found_entry = 1;
del_timer(&entry->timer);
entry->vcc = vcc;
entry->old_push = old_push;
if (entry->status == ESI_VC_PENDING) {
if(priv->maximum_unknown_frame_count
==0)
if (priv->maximum_unknown_frame_count
== 0)
entry->status =
ESI_FORWARD_DIRECT;
else {
......@@ -2335,22 +2344,24 @@ lec_vcc_added(struct lec_priv *priv, struct atmlec_ioc *ioc_data,
entry->status =
ESI_FLUSH_PENDING;
#if 0
send_to_lecd(priv,l_flush_xmt,
send_to_lecd(priv, l_flush_xmt,
NULL,
entry->atm_addr,
NULL);
#endif
}
} else {
/* They were forming a connection
to us, and we to them. Our
ATM address is numerically lower
than theirs, so we make connection
we formed into default VCC (8.1.11).
Connection they made gets torn
down. This might confuse some
clients. Can be changed if
someone reports trouble... */
/*
* They were forming a connection
* to us, and we to them. Our
* ATM address is numerically lower
* than theirs, so we make connection
* we formed into default VCC (8.1.11).
* Connection they made gets torn
* down. This might confuse some
* clients. Can be changed if
* someone reports trouble...
*/
;
}
}
......@@ -2361,8 +2372,10 @@ lec_vcc_added(struct lec_priv *priv, struct atmlec_ioc *ioc_data,
dump_arp_table(priv);
goto out;
}
/* Not found, snatch address from first data packet that arrives from
this vcc */
/*
* Not found, snatch address from first data packet that arrives
* from this vcc
*/
entry = make_entry(priv, bus_mac);
if (!entry)
goto out;
......@@ -2382,22 +2395,23 @@ lec_vcc_added(struct lec_priv *priv, struct atmlec_ioc *ioc_data,
spin_unlock_irqrestore(&priv->lec_arp_lock, flags);
}
static void
lec_flush_complete(struct lec_priv *priv, unsigned long tran_id)
static void lec_flush_complete(struct lec_priv *priv, unsigned long tran_id)
{
unsigned long flags;
struct lec_arp_table *entry;
int i;
DPRINTK("LEC:lec_flush_complete %lx\n",tran_id);
DPRINTK("LEC:lec_flush_complete %lx\n", tran_id);
spin_lock_irqsave(&priv->lec_arp_lock, flags);
for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
for (entry = priv->lec_arp_tables[i]; entry; entry=entry->next) {
if (entry->flush_tran_id == tran_id &&
entry->status == ESI_FLUSH_PENDING) {
for (entry = priv->lec_arp_tables[i]; entry;
entry = entry->next) {
if (entry->flush_tran_id == tran_id
&& entry->status == ESI_FLUSH_PENDING) {
struct sk_buff *skb;
while ((skb = skb_dequeue(&entry->tx_wait)) != NULL)
while ((skb =
skb_dequeue(&entry->tx_wait)) != NULL)
lec_send(entry->vcc, skb, entry->priv);
entry->status = ESI_FORWARD_DIRECT;
DPRINTK("LEC_ARP: Flushed\n");
......@@ -2418,20 +2432,23 @@ lec_set_flush_tran_id(struct lec_priv *priv,
spin_lock_irqsave(&priv->lec_arp_lock, flags);
for (i = 0; i < LEC_ARP_TABLE_SIZE; i++)
for(entry = priv->lec_arp_tables[i]; entry; entry=entry->next)
for (entry = priv->lec_arp_tables[i]; entry;
entry = entry->next)
if (!memcmp(atm_addr, entry->atm_addr, ATM_ESA_LEN)) {
entry->flush_tran_id = tran_id;
DPRINTK("Set flush transaction id to %lx for %p\n",tran_id,entry);
DPRINTK
("Set flush transaction id to %lx for %p\n",
tran_id, entry);
}
spin_unlock_irqrestore(&priv->lec_arp_lock, flags);
}
static int
lec_mcast_make(struct lec_priv *priv, struct atm_vcc *vcc)
static int lec_mcast_make(struct lec_priv *priv, struct atm_vcc *vcc)
{
unsigned long flags;
unsigned char mac_addr[] = {
0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
0xff, 0xff, 0xff, 0xff, 0xff, 0xff
};
struct lec_arp_table *to_add;
struct lec_vcc_priv *vpriv;
int err = 0;
......@@ -2463,18 +2480,17 @@ lec_mcast_make(struct lec_priv *priv, struct atm_vcc *vcc)
return err;
}
static void
lec_vcc_close(struct lec_priv *priv, struct atm_vcc *vcc)
static void lec_vcc_close(struct lec_priv *priv, struct atm_vcc *vcc)
{
unsigned long flags;
struct lec_arp_table *entry, *next;
int i;
DPRINTK("LEC_ARP: lec_vcc_close vpi:%d vci:%d\n",vcc->vpi,vcc->vci);
DPRINTK("LEC_ARP: lec_vcc_close vpi:%d vci:%d\n", vcc->vpi, vcc->vci);
dump_arp_table(priv);
spin_lock_irqsave(&priv->lec_arp_lock, flags);
for(i=0;i<LEC_ARP_TABLE_SIZE;i++) {
for(entry = priv->lec_arp_tables[i];entry; entry=next) {
for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
for (entry = priv->lec_arp_tables[i]; entry; entry = next) {
next = entry->next;
if (vcc == entry->vcc) {
lec_arp_remove(priv, entry);
......@@ -2494,8 +2510,7 @@ lec_vcc_close(struct lec_priv *priv, struct atm_vcc *vcc)
lec_arp_clear_vccs(entry);
del_timer(&entry->timer);
kfree(entry);
}
else { /* put it back to the list */
} else { /* put it back to the list */
entry->next = priv->lec_arp_empty_ones;
priv->lec_arp_empty_ones = entry;
}
......@@ -2510,8 +2525,7 @@ lec_vcc_close(struct lec_priv *priv, struct atm_vcc *vcc)
lec_arp_clear_vccs(entry);
del_timer(&entry->timer);
kfree(entry);
}
else {
} else {
entry->next = priv->lec_no_forward;
priv->lec_no_forward = entry;
}
......@@ -2526,8 +2540,7 @@ lec_vcc_close(struct lec_priv *priv, struct atm_vcc *vcc)
lec_arp_clear_vccs(entry);
/* No timer, LANEv2 7.1.20 and 2.3.5.3 */
kfree(entry);
}
else {
} else {
entry->next = priv->mcast_fwds;
priv->mcast_fwds = entry;
}
......@@ -2549,7 +2562,8 @@ lec_arp_check_empties(struct lec_priv *priv,
#ifdef CONFIG_TR
struct lecdatahdr_8025 *tr_hdr = (struct lecdatahdr_8025 *)skb->data;
if (priv->is_trdev) src = tr_hdr->h_source;
if (priv->is_trdev)
src = tr_hdr->h_source;
else
#endif
src = hdr->h_source;
......@@ -2563,7 +2577,7 @@ lec_arp_check_empties(struct lec_priv *priv,
entry->last_used = jiffies;
priv->lec_arp_empty_ones = entry->next;
/* We might have got an entry */
if ((prev = lec_arp_find(priv,src))) {
if ((prev = lec_arp_find(priv, src))) {
lec_arp_remove(priv, prev);
kfree(prev);
}
......@@ -2573,7 +2587,7 @@ lec_arp_check_empties(struct lec_priv *priv,
prev = entry;
entry = entry->next;
while (entry && entry->vcc != vcc) {
prev= entry;
prev = entry;
entry = entry->next;
}
if (!entry) {
......@@ -2593,4 +2607,5 @@ lec_arp_check_empties(struct lec_priv *priv,
out:
spin_unlock_irqrestore(&priv->lec_arp_lock, flags);
}
MODULE_LICENSE("GPL");
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