struct sk_buff *skb));
static void lec_vcc_close(struct lec_priv *priv, struct atm_vcc *vcc);
+/* must be done under lec_arp_lock */
+static inline void lec_arp_hold(struct lec_arp_table *entry)
+{
+ atomic_inc(&entry->usage);
+}
+
+static inline void lec_arp_put(struct lec_arp_table *entry)
+{
+ if (atomic_dec_and_test(&entry->usage))
+ kfree(entry);
+}
+
+
static struct lane2_ops lane2_ops = {
lane2_resolve, /* resolve, spec 3.1.3 */
lane2_associate_req, /* associate_req, spec 3.1.4 */
memset(rdesc, 0, ETH_ALEN);
/* offset 4 comes from LAN destination field in LE control frames */
if (trh->rcf & htons((uint16_t) TR_RCF_DIR_BIT))
- memcpy(&rdesc[4], &trh->rseg[num_rdsc - 2], sizeof(uint16_t));
+ memcpy(&rdesc[4], &trh->rseg[num_rdsc - 2], sizeof(__be16));
else {
- memcpy(&rdesc[4], &trh->rseg[1], sizeof(uint16_t));
+ memcpy(&rdesc[4], &trh->rseg[1], sizeof(__be16));
rdesc[5] = ((ntohs(trh->rseg[0]) & 0x000f) | (rdesc[5] & 0xf0));
}
priv->stats.tx_dropped++;
dev_kfree_skb(skb);
}
- return 0;
+ goto out;
}
#if DUMP_PACKETS > 0
printk("%s:sending to vpi:%d vci:%d\n", dev->name, vcc->vpi, vcc->vci);
netif_wake_queue(dev);
}
+out:
+ if (entry)
+ lec_arp_put(entry);
dev->trans_start = jiffies;
return 0;
}
unsigned char *src, *dst;
atm_return(vcc, skb->truesize);
- if (*(uint16_t *) skb->data == htons(priv->lecid) ||
+ if (*(__be16 *) skb->data == htons(priv->lecid) ||
!priv->lecd || !(dev->flags & IFF_UP)) {
/*
* Probably looping back, or if lecd is missing,
entry = lec_arp_find(priv, src);
if (entry && entry->vcc != vcc) {
lec_arp_remove(priv, entry);
- kfree(entry);
+ lec_arp_put(entry);
}
}
spin_unlock_irqrestore(&priv->lec_arp_lock, flags);
dev_kfree_skb(skb);
return;
}
- if (priv->lec_arp_empty_ones) {
+ if (!hlist_empty(&priv->lec_arp_empty_ones)) {
lec_arp_check_empties(priv, vcc, skb);
}
skb->dev = dev;
struct lec_state {
unsigned long flags;
struct lec_priv *locked;
- struct lec_arp_table *entry;
+ struct hlist_node *node;
struct net_device *dev;
int itf;
int arp_table;
int misc_table;
};
-static void *lec_tbl_walk(struct lec_state *state, struct lec_arp_table *tbl,
+static void *lec_tbl_walk(struct lec_state *state, struct hlist_head *tbl,
loff_t *l)
{
- struct lec_arp_table *e = state->entry;
+ struct hlist_node *e = state->node;
+ struct lec_arp_table *tmp;
if (!e)
- e = tbl;
+ e = tbl->first;
if (e == (void *)1) {
- e = tbl;
+ e = tbl->first;
--*l;
}
- for (; e; e = e->next) {
+
+ hlist_for_each_entry_from(tmp, e, next) {
if (--*l < 0)
break;
}
- state->entry = e;
+ state->node = e;
+
return (*l < 0) ? state : NULL;
}
int p;
for (p = state->arp_table; p < LEC_ARP_TABLE_SIZE; p++) {
- v = lec_tbl_walk(state, priv->lec_arp_tables[p], l);
+ v = lec_tbl_walk(state, &priv->lec_arp_tables[p], l);
if (v)
break;
}
static void *lec_misc_walk(struct lec_state *state, loff_t *l,
struct lec_priv *priv)
{
- struct lec_arp_table *lec_misc_tables[] = {
- priv->lec_arp_empty_ones,
- priv->lec_no_forward,
- priv->mcast_fwds
+ struct hlist_head *lec_misc_tables[] = {
+ &priv->lec_arp_empty_ones,
+ &priv->lec_no_forward,
+ &priv->mcast_fwds
};
void *v = NULL;
int q;
state->locked = NULL;
state->arp_table = 0;
state->misc_table = 0;
- state->entry = (void *)1;
+ state->node = (void *)1;
return *pos ? lec_get_idx(state, *pos) : (void *)1;
}
else {
struct lec_state *state = seq->private;
struct net_device *dev = state->dev;
+ struct lec_arp_table *entry = hlist_entry(state->node, struct lec_arp_table, next);
seq_printf(seq, "%s ", dev->name);
- lec_info(seq, state->entry);
+ lec_info(seq, entry);
}
return 0;
}
if (table == NULL)
return -1;
- *tlvs = kmalloc(table->sizeoftlvs, GFP_ATOMIC);
+ *tlvs = kmemdup(table->tlvs, table->sizeoftlvs, GFP_ATOMIC);
if (*tlvs == NULL)
return -1;
- memcpy(*tlvs, table->tlvs, table->sizeoftlvs);
*sizeoftlvs = table->sizeoftlvs;
return 0;
kfree(priv->tlvs); /* NULL if there was no previous association */
- priv->tlvs = kmalloc(sizeoftlvs, GFP_KERNEL);
+ priv->tlvs = kmemdup(tlvs, sizeoftlvs, GFP_KERNEL);
if (priv->tlvs == NULL)
return (0);
priv->sizeoftlvs = sizeoftlvs;
- memcpy(priv->tlvs, tlvs, sizeoftlvs);
skb = alloc_skb(sizeoftlvs, GFP_ATOMIC);
if (skb == NULL)
kfree(entry->tlvs);
- entry->tlvs = kmalloc(sizeoftlvs, GFP_KERNEL);
+ entry->tlvs = kmemdup(tlvs, sizeoftlvs, GFP_KERNEL);
if (entry->tlvs == NULL)
return;
-
entry->sizeoftlvs = sizeoftlvs;
- memcpy(entry->tlvs, tlvs, sizeoftlvs);
#endif
#if 0
printk("lec.c: lane2_associate_ind()\n");
*
* lec_arpc.c was added here when making
* lane client modular. October 1997
- *
*/
#include <linux/types.h>
#include <linux/inetdevice.h>
#include <net/route.h>
-
#if 0
#define DPRINTK(format,args...)
/*
#define LEC_ARP_REFRESH_INTERVAL (3*HZ)
-static void lec_arp_check_expire(unsigned long data);
+static void lec_arp_check_expire(struct work_struct *work);
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;
+ unsigned short i;
- for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
- priv->lec_arp_tables[i] = NULL;
- }
+ for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
+ INIT_HLIST_HEAD(&priv->lec_arp_tables[i]);
+ }
+ INIT_HLIST_HEAD(&priv->lec_arp_empty_ones);
+ INIT_HLIST_HEAD(&priv->lec_no_forward);
+ INIT_HLIST_HEAD(&priv->mcast_fwds);
spin_lock_init(&priv->lec_arp_lock);
- init_timer(&priv->lec_arp_timer);
- priv->lec_arp_timer.expires = jiffies + LEC_ARP_REFRESH_INTERVAL;
- priv->lec_arp_timer.data = (unsigned long)priv;
- priv->lec_arp_timer.function = lec_arp_check_expire;
- add_timer(&priv->lec_arp_timer);
+ INIT_DELAYED_WORK(&priv->lec_arp_work, lec_arp_check_expire);
+ schedule_delayed_work(&priv->lec_arp_work, LEC_ARP_REFRESH_INTERVAL);
}
-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) {
+ 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;
+ vcc->pop = vpriv->old_pop;
if (vpriv->xoff)
netif_wake_queue(dev);
kfree(vpriv);
vcc->user_back = NULL;
- vcc->push = entry->old_push;
+ vcc->push = entry->old_push;
vcc_release_async(vcc, -EPIPE);
- vcc = NULL;
- }
- if (entry->recv_vcc) {
- entry->recv_vcc->push = entry->old_recv_push;
+ entry->vcc = NULL;
+ }
+ if (entry->recv_vcc) {
+ entry->recv_vcc->push = entry->old_recv_push;
vcc_release_async(entry->recv_vcc, -EPIPE);
- entry->recv_vcc = NULL;
- }
+ entry->recv_vcc = NULL;
+ }
}
/*
* Insert entry to lec_arp_table
* LANE2: Add to the end of the list to satisfy 8.1.13
*/
-static inline void
-lec_arp_add(struct lec_priv *priv, struct lec_arp_table *to_add)
+static inline void
+lec_arp_add(struct lec_priv *priv, struct lec_arp_table *entry)
{
- unsigned short place;
- struct lec_arp_table *tmp;
-
- place = HASH(to_add->mac_addr[ETH_ALEN-1]);
- tmp = priv->lec_arp_tables[place];
- to_add->next = NULL;
- if (tmp == NULL)
- priv->lec_arp_tables[place] = to_add;
-
- else { /* add to the end */
- while (tmp->next)
- tmp = tmp->next;
- tmp->next = 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]);
+ struct hlist_head *tmp;
+
+ tmp = &priv->lec_arp_tables[HASH(entry->mac_addr[ETH_ALEN - 1])];
+ hlist_add_head(&entry->next, tmp);
+
+ DPRINTK("LEC_ARP: Added entry:%2.2x %2.2x %2.2x %2.2x %2.2x %2.2x\n",
+ 0xff & entry->mac_addr[0], 0xff & entry->mac_addr[1],
+ 0xff & entry->mac_addr[2], 0xff & entry->mac_addr[3],
+ 0xff & entry->mac_addr[4], 0xff & entry->mac_addr[5]);
}
/*
* Remove entry from lec_arp_table
*/
-static int
-lec_arp_remove(struct lec_priv *priv,
- struct lec_arp_table *to_remove)
+static int
+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;
-
- if (!to_remove) {
- return -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) {
- tmp = tmp->next;
- }
- if (!tmp) {/* Entry was not found */
- return -1;
- }
- }
- tmp->next = to_remove->next;
- del_timer(&to_remove->timer);
-
- /* If this is the only MAC connected to this VCC, also tear down
- the VCC */
- if (to_remove->status >= ESI_FLUSH_PENDING) {
- /*
- * 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;
- break;
- }
- }
- }
- if (remove_vcc)
- lec_arp_clear_vccs(to_remove);
- }
- 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]);
- return 0;
+ struct hlist_node *node;
+ struct lec_arp_table *entry;
+ int i, remove_vcc = 1;
+
+ if (!to_remove) {
+ return -1;
+ }
+
+ hlist_del(&to_remove->next);
+ del_timer(&to_remove->timer);
+
+ /* If this is the only MAC connected to this VCC, also tear down the VCC */
+ if (to_remove->status >= ESI_FLUSH_PENDING) {
+ /*
+ * ESI_FLUSH_PENDING, ESI_FORWARD_DIRECT
+ */
+ for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
+ hlist_for_each_entry(entry, node, &priv->lec_arp_tables[i], next) {
+ if (memcmp(to_remove->atm_addr,
+ entry->atm_addr, ATM_ESA_LEN) == 0) {
+ remove_vcc = 0;
+ break;
+ }
+ }
+ }
+ if (remove_vcc)
+ lec_arp_clear_vccs(to_remove);
+ }
+ 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]);
+ return 0;
}
#if DEBUG_ARP_TABLE
-static char*
-get_status_string(unsigned char st)
+static char *get_status_string(unsigned char st)
{
- switch(st) {
- case ESI_UNKNOWN:
- return "ESI_UNKNOWN";
- case ESI_ARP_PENDING:
- return "ESI_ARP_PENDING";
- case ESI_VC_PENDING:
- return "ESI_VC_PENDING";
- case ESI_FLUSH_PENDING:
- return "ESI_FLUSH_PENDING";
- case ESI_FORWARD_DIRECT:
- return "ESI_FORWARD_DIRECT";
- default:
- return "<UNKNOWN>";
- }
+ switch (st) {
+ case ESI_UNKNOWN:
+ return "ESI_UNKNOWN";
+ case ESI_ARP_PENDING:
+ return "ESI_ARP_PENDING";
+ case ESI_VC_PENDING:
+ return "ESI_VC_PENDING";
+ case ESI_FLUSH_PENDING:
+ return "ESI_FLUSH_PENDING";
+ case ESI_FORWARD_DIRECT:
+ return "ESI_FORWARD_DIRECT";
+ default:
+ return "<UNKNOWN>";
+ }
}
-#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;
- struct lec_arp_table *rulla;
- char buf[1024];
- struct lec_arp_table **lec_arp_tables =
- (struct lec_arp_table **)priv->lec_arp_tables;
- struct lec_arp_table *lec_arp_empty_ones =
- (struct lec_arp_table *)priv->lec_arp_empty_ones;
- struct lec_arp_table *lec_no_forward =
- (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++) {
- rulla = lec_arp_tables[i];
- offset = 0;
- 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,
- "%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->last_used,
- rulla->timestamp, rulla->no_tries);
- 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);
- rulla = rulla->next;
- }
- 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,
- "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->timestamp, rulla->no_tries);
- 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);
- rulla = rulla->next;
- 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,
- "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->timestamp, rulla->no_tries);
- 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);
- rulla = rulla->next;
- 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,
- "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->timestamp, rulla->no_tries);
- 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);
- rulla = rulla->next;
- printk("%s",buf);
- }
+ struct hlist_node *node;
+ struct lec_arp_table *rulla;
+ char buf[256];
+ int i, j, offset;
+
+ printk("Dump %p:\n", priv);
+ for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
+ hlist_for_each_entry(rulla, node, &priv->lec_arp_tables[i], next) {
+ offset = 0;
+ offset += sprintf(buf, "%d: %p\n", i, rulla);
+ 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->last_used,
+ rulla->timestamp, rulla->no_tries);
+ offset +=
+ sprintf(buf + offset,
+ "Flags:%x, Packets_flooded:%x, Status: %s ",
+ rulla->flags, rulla->packets_flooded,
+ get_status_string(rulla->status));
+ printk("%s\n", buf);
+ }
+ }
+
+ if (!hlist_empty(&priv->lec_no_forward))
+ printk("No forward\n");
+ hlist_for_each_entry(rulla, node, &priv->lec_no_forward, next) {
+ 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->last_used,
+ rulla->timestamp, rulla->no_tries);
+ offset += sprintf(buf + offset,
+ "Flags:%x, Packets_flooded:%x, Status: %s ",
+ rulla->flags, rulla->packets_flooded,
+ get_status_string(rulla->status));
+ printk("%s\n", buf);
+ }
+
+ if (!hlist_empty(&priv->lec_arp_empty_ones))
+ printk("Empty ones\n");
+ hlist_for_each_entry(rulla, node, &priv->lec_arp_empty_ones, next) {
+ 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->last_used,
+ rulla->timestamp, rulla->no_tries);
+ offset += sprintf(buf + offset,
+ "Flags:%x, Packets_flooded:%x, Status: %s ",
+ rulla->flags, rulla->packets_flooded,
+ get_status_string(rulla->status));
+ printk("%s", buf);
+ }
+
+ if (!hlist_empty(&priv->mcast_fwds))
+ printk("Multicast Forward VCCs\n");
+ hlist_for_each_entry(rulla, node, &priv->mcast_fwds, next) {
+ 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->last_used,
+ rulla->timestamp, rulla->no_tries);
+ offset += sprintf(buf + offset,
+ "Flags:%x, Packets_flooded:%x, Status: %s ",
+ rulla->flags, rulla->packets_flooded,
+ get_status_string(rulla->status));
+ printk("%s\n", buf);
+ }
-#endif
}
+#else
+#define dump_arp_table(priv) do { } while (0)
+#endif
/*
* 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;
- int i;
+ struct hlist_node *node, *next;
+ struct lec_arp_table *entry;
+ int i;
+
+ cancel_rearming_delayed_work(&priv->lec_arp_work);
- del_timer_sync(&priv->lec_arp_timer);
-
- /*
- * Remove all entries
- */
+ /*
+ * Remove all entries
+ */
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) {
- next = entry->next;
- lec_arp_remove(priv, entry);
- kfree(entry);
- }
- }
- entry = priv->lec_arp_empty_ones;
- while(entry) {
- next = entry->next;
- del_timer_sync(&entry->timer);
- lec_arp_clear_vccs(entry);
- kfree(entry);
- entry = next;
- }
- priv->lec_arp_empty_ones = NULL;
- entry = priv->lec_no_forward;
- while(entry) {
- next = entry->next;
- del_timer_sync(&entry->timer);
- lec_arp_clear_vccs(entry);
- kfree(entry);
- entry = next;
- }
- priv->lec_no_forward = NULL;
- entry = priv->mcast_fwds;
- while(entry) {
- next = entry->next;
- /* No timer, LANEv2 7.1.20 and 2.3.5.3 */
- lec_arp_clear_vccs(entry);
- kfree(entry);
- entry = next;
- }
- priv->mcast_fwds = NULL;
- priv->mcast_vcc = NULL;
- memset(priv->lec_arp_tables, 0,
- sizeof(struct lec_arp_table *) * LEC_ARP_TABLE_SIZE);
+ for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
+ hlist_for_each_entry_safe(entry, node, next, &priv->lec_arp_tables[i], next) {
+ lec_arp_remove(priv, entry);
+ lec_arp_put(entry);
+ }
+ INIT_HLIST_HEAD(&priv->lec_arp_tables[i]);
+ }
+
+ hlist_for_each_entry_safe(entry, node, next, &priv->lec_arp_empty_ones, next) {
+ del_timer_sync(&entry->timer);
+ lec_arp_clear_vccs(entry);
+ hlist_del(&entry->next);
+ lec_arp_put(entry);
+ }
+ INIT_HLIST_HEAD(&priv->lec_arp_empty_ones);
+
+ hlist_for_each_entry_safe(entry, node, next, &priv->lec_no_forward, next) {
+ del_timer_sync(&entry->timer);
+ lec_arp_clear_vccs(entry);
+ hlist_del(&entry->next);
+ lec_arp_put(entry);
+ }
+ INIT_HLIST_HEAD(&priv->lec_no_forward);
+
+ hlist_for_each_entry_safe(entry, node, next, &priv->mcast_fwds, next) {
+ /* No timer, LANEv2 7.1.20 and 2.3.5.3 */
+ lec_arp_clear_vccs(entry);
+ hlist_del(&entry->next);
+ lec_arp_put(entry);
+ }
+ INIT_HLIST_HEAD(&priv->mcast_fwds);
+ priv->mcast_vcc = NULL;
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,
- unsigned char *mac_addr)
+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]);
-
- to_return = priv->lec_arp_tables[place];
- while(to_return) {
- if (!compare_ether_addr(mac_addr, to_return->mac_addr)) {
- return to_return;
- }
- to_return = to_return->next;
- }
- return NULL;
+ struct hlist_node *node;
+ struct hlist_head *head;
+ struct lec_arp_table *entry;
+
+ 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);
+
+ head = &priv->lec_arp_tables[HASH(mac_addr[ETH_ALEN - 1])];
+ hlist_for_each_entry(entry, node, head, next) {
+ if (!compare_ether_addr(mac_addr, entry->mac_addr)) {
+ return entry;
+ }
+ }
+ 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;
-
- to_return = kzalloc(sizeof(struct lec_arp_table), GFP_ATOMIC);
- if (!to_return) {
- printk("LEC: Arp entry kmalloc failed\n");
- return NULL;
- }
- 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->last_used = jiffies;
- to_return->priv = priv;
- skb_queue_head_init(&to_return->tx_wait);
- return to_return;
+ struct lec_arp_table *to_return;
+
+ to_return = kzalloc(sizeof(struct lec_arp_table), GFP_ATOMIC);
+ if (!to_return) {
+ printk("LEC: Arp entry kmalloc failed\n");
+ return NULL;
+ }
+ memcpy(to_return->mac_addr, mac_addr, ETH_ALEN);
+ INIT_HLIST_NODE(&to_return->next);
+ init_timer(&to_return->timer);
+ to_return->timer.function = lec_arp_expire_arp;
+ 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);
+ atomic_set(&to_return->usage, 1);
+ 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;
-
- entry = (struct lec_arp_table *)data;
-
- DPRINTK("lec_arp_expire_arp\n");
- 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);
- else
- send_to_lecd(entry->priv, l_arp_xmt, entry->mac_addr, NULL, NULL);
- entry->no_tries++;
- }
- mod_timer(&entry->timer, jiffies + (1*HZ));
- }
+ struct lec_arp_table *entry;
+
+ entry = (struct lec_arp_table *)data;
+
+ DPRINTK("lec_arp_expire_arp\n");
+ 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);
+ else
+ send_to_lecd(entry->priv, l_arp_xmt,
+ entry->mac_addr, NULL, NULL);
+ entry->no_tries++;
+ }
+ 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_priv *priv = (struct lec_priv *)to_remove->priv;
- struct lec_arp_table *entry = NULL;
+ struct lec_arp_table *to_remove = (struct lec_arp_table *)data;
+ struct lec_priv *priv = (struct lec_priv *)to_remove->priv;
- del_timer(&to_remove->timer);
+ del_timer(&to_remove->timer);
- 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);
+ 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);
spin_lock_irqsave(&priv->lec_arp_lock, flags);
- if (to_remove == priv->lec_arp_empty_ones)
- priv->lec_arp_empty_ones = to_remove->next;
- else {
- entry = priv->lec_arp_empty_ones;
- while (entry && entry->next != to_remove)
- entry = entry->next;
- if (entry)
- entry->next = to_remove->next;
- }
- if (!entry) {
- if (to_remove == priv->lec_no_forward) {
- priv->lec_no_forward = to_remove->next;
- } else {
- entry = priv->lec_no_forward;
- while (entry && entry->next != to_remove)
- entry = entry->next;
- if (entry)
- entry->next = to_remove->next;
- }
- }
+ hlist_del(&to_remove->next);
spin_unlock_irqrestore(&priv->lec_arp_lock, flags);
- lec_arp_clear_vccs(to_remove);
- kfree(to_remove);
+ lec_arp_clear_vccs(to_remove);
+ lec_arp_put(to_remove);
}
/*
* 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(struct work_struct *work)
{
unsigned long flags;
- struct lec_priv *priv = (struct lec_priv *)data;
- struct lec_arp_table *entry, *next;
- unsigned long now;
- 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,
- priv->lec_no_forward);
+ struct lec_priv *priv =
+ container_of(work, struct lec_priv, lec_arp_work.work);
+ struct hlist_node *node, *next;
+ struct lec_arp_table *entry;
+ unsigned long now;
+ unsigned long time_to_check;
+ int i;
+
+ DPRINTK("lec_arp_check_expire %p\n", priv);
now = jiffies;
+restart:
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; ) {
- if ((entry->flags) & LEC_REMOTE_FLAG &&
+ for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
+ hlist_for_each_entry_safe(entry, node, next, &priv->lec_arp_tables[i], next) {
+ if ((entry->flags) & LEC_REMOTE_FLAG &&
priv->topology_change)
time_to_check = priv->forward_delay_time;
else
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;
lec_arp_remove(priv, entry);
- kfree(entry);
- entry = next;
+ lec_arp_put(entry);
} else {
/* Something else */
if ((entry->status == ESI_VC_PENDING ||
- entry->status == ESI_ARP_PENDING)
+ entry->status == ESI_ARP_PENDING)
&& time_after_eq(now,
- entry->timestamp +
- priv->max_unknown_frame_time)) {
+ entry->timestamp +
+ 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+
- priv->path_switching_delay)) {
+ if (entry->status == ESI_FLUSH_PENDING
+ &&
+ time_after_eq(now, entry->timestamp +
+ priv->path_switching_delay)) {
struct sk_buff *skb;
+ struct atm_vcc *vcc = entry->vcc;
+ lec_arp_hold(entry);
+ spin_unlock_irqrestore(&priv->lec_arp_lock, flags);
while ((skb = skb_dequeue(&entry->tx_wait)) != NULL)
- lec_send(entry->vcc, skb, entry->priv);
+ lec_send(vcc, skb, entry->priv);
entry->last_used = jiffies;
- entry->status =
- ESI_FORWARD_DIRECT;
+ entry->status = ESI_FORWARD_DIRECT;
+ lec_arp_put(entry);
+ goto restart;
}
- entry = entry->next;
}
}
}
spin_unlock_irqrestore(&priv->lec_arp_lock, flags);
- mod_timer(&priv->lec_arp_timer, jiffies + LEC_ARP_REFRESH_INTERVAL);
+ schedule_delayed_work(&priv->lec_arp_work, 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;
+ struct lec_arp_table *entry;
struct atm_vcc *found;
- if (mac_to_find[0] & 0x01) {
- switch (priv->lane_version) {
- case 1:
- return priv->mcast_vcc;
- break;
- case 2: /* LANE2 wants arp for multicast addresses */
- if (!compare_ether_addr(mac_to_find, bus_mac))
- return priv->mcast_vcc;
- break;
- default:
- break;
- }
- }
+ if (mac_to_find[0] & 0x01) {
+ switch (priv->lane_version) {
+ case 1:
+ return priv->mcast_vcc;
+ break;
+ case 2: /* LANE2 wants arp for multicast addresses */
+ if (!compare_ether_addr(mac_to_find, bus_mac))
+ return priv->mcast_vcc;
+ break;
+ default:
+ break;
+ }
+ }
spin_lock_irqsave(&priv->lec_arp_lock, flags);
- entry = lec_arp_find(priv, mac_to_find);
-
- if (entry) {
- if (entry->status == ESI_FORWARD_DIRECT) {
- /* Connection Ok */
- entry->last_used = jiffies;
- *ret_entry = entry;
- found = entry->vcc;
+ entry = lec_arp_find(priv, mac_to_find);
+
+ if (entry) {
+ if (entry->status == ESI_FORWARD_DIRECT) {
+ /* Connection Ok */
+ entry->last_used = jiffies;
+ lec_arp_hold(entry);
+ *ret_entry = entry;
+ 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. */
- if (entry->status != ESI_FLUSH_PENDING &&
- entry->packets_flooded<priv->maximum_unknown_frame_count) {
- entry->packets_flooded++;
- DPRINTK("LEC_ARP: Flooding..\n");
- found = priv->mcast_vcc;
+ /*
+ * 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++;
+ 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);
- found = NULL;
- } else {
- /* No matching entry was found */
- entry = make_entry(priv, mac_to_find);
- DPRINTK("LEC_ARP: Making entry\n");
- if (!entry) {
- found = priv->mcast_vcc;
+ lec_arp_hold(entry);
+ *ret_entry = entry;
+ DPRINTK("lec: entry->status %d entry->vcc %p\n", entry->status,
+ entry->vcc);
+ found = NULL;
+ } else {
+ /* No matching entry was found */
+ entry = make_entry(priv, mac_to_find);
+ DPRINTK("LEC_ARP: Making entry\n");
+ if (!entry) {
+ found = priv->mcast_vcc;
goto out;
- }
- lec_arp_add(priv, entry);
- /* We want arp-request(s) to be sent */
- 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);
- else
- send_to_lecd(priv, l_arp_xmt, mac_to_find, NULL, NULL);
- entry->timer.expires = jiffies + (1*HZ);
- entry->timer.function = lec_arp_expire_arp;
- add_timer(&entry->timer);
- found = priv->mcast_vcc;
- }
+ }
+ lec_arp_add(priv, entry);
+ /* We want arp-request(s) to be sent */
+ 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);
+ else
+ send_to_lecd(priv, l_arp_xmt, mac_to_find, NULL, NULL);
+ entry->timer.expires = jiffies + (1 * HZ);
+ entry->timer.function = lec_arp_expire_arp;
+ add_timer(&entry->timer);
+ found = priv->mcast_vcc;
+ }
out:
spin_unlock_irqrestore(&priv->lec_arp_lock, flags);
}
static int
-lec_addr_delete(struct lec_priv *priv, unsigned char *atm_addr,
- unsigned long permanent)
+lec_addr_delete(struct lec_priv *priv, unsigned char *atm_addr,
+ unsigned long permanent)
{
unsigned long flags;
- struct lec_arp_table *entry, *next;
- int i;
+ struct hlist_node *node, *next;
+ struct lec_arp_table *entry;
+ int i;
- DPRINTK("lec_addr_delete\n");
+ 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) {
- next = entry->next;
- if (!memcmp(atm_addr, entry->atm_addr, ATM_ESA_LEN)
- && (permanent ||
- !(entry->flags & LEC_PERMANENT_FLAG))) {
+ for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
+ hlist_for_each_entry_safe(entry, node, next, &priv->lec_arp_tables[i], next) {
+ if (!memcmp(atm_addr, entry->atm_addr, ATM_ESA_LEN)
+ && (permanent ||
+ !(entry->flags & LEC_PERMANENT_FLAG))) {
lec_arp_remove(priv, entry);
- kfree(entry);
- }
+ lec_arp_put(entry);
+ }
spin_unlock_irqrestore(&priv->lec_arp_lock, flags);
- return 0;
- }
- }
+ return 0;
+ }
+ }
spin_unlock_irqrestore(&priv->lec_arp_lock, flags);
- return -1;
+ return -1;
}
/*
*/
static void
lec_arp_update(struct lec_priv *priv, unsigned char *mac_addr,
- unsigned char *atm_addr, unsigned long remoteflag,
- unsigned int targetless_le_arp)
+ unsigned char *atm_addr, unsigned long remoteflag,
+ unsigned int targetless_le_arp)
{
unsigned long flags;
- struct lec_arp_table *entry, *tmp;
- int i;
+ struct hlist_node *node, *next;
+ struct lec_arp_table *entry, *tmp;
+ int i;
- 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]);
+ 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]);
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
- * we have no entry in the cache. 7.1.30
- */
- if (priv->lec_arp_empty_ones) {
- entry = priv->lec_arp_empty_ones;
- 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,
- atm_addr, ATM_ESA_LEN))
- entry = entry->next;
- if (entry->next) {
- tmp = entry;
- entry = entry->next;
- tmp->next = entry->next;
- } else
- entry = NULL;
-
- }
- if (entry) {
- del_timer(&entry->timer);
- tmp = lec_arp_find(priv, mac_addr);
- if (tmp) {
- del_timer(&tmp->timer);
- tmp->status = ESI_FORWARD_DIRECT;
- memcpy(tmp->atm_addr, atm_addr, ATM_ESA_LEN);
- tmp->vcc = entry->vcc;
- tmp->old_push = entry->old_push;
- tmp->last_used = jiffies;
- del_timer(&entry->timer);
- kfree(entry);
- entry=tmp;
- } else {
- entry->status = ESI_FORWARD_DIRECT;
- memcpy(entry->mac_addr, mac_addr, ETH_ALEN);
- entry->last_used = jiffies;
- lec_arp_add(priv, entry);
- }
- if (remoteflag)
- entry->flags|=LEC_REMOTE_FLAG;
- else
- entry->flags&=~LEC_REMOTE_FLAG;
- DPRINTK("After update\n");
- dump_arp_table(priv);
- goto out;
- }
- }
- entry = lec_arp_find(priv, mac_addr);
- if (!entry) {
- entry = make_entry(priv, mac_addr);
- if (!entry)
+ entry = lec_arp_find(priv, mac_addr);
+ if (entry == NULL && targetless_le_arp)
+ goto out; /*
+ * LANE2: ignore targetless LE_ARPs for which
+ * we have no entry in the cache. 7.1.30
+ */
+ if (!hlist_empty(&priv->lec_arp_empty_ones)) {
+ hlist_for_each_entry_safe(entry, node, next, &priv->lec_arp_empty_ones, next) {
+ if (memcmp(entry->atm_addr, atm_addr, ATM_ESA_LEN) == 0) {
+ hlist_del(&entry->next);
+ del_timer(&entry->timer);
+ tmp = lec_arp_find(priv, mac_addr);
+ if (tmp) {
+ del_timer(&tmp->timer);
+ tmp->status = ESI_FORWARD_DIRECT;
+ memcpy(tmp->atm_addr, atm_addr, ATM_ESA_LEN);
+ tmp->vcc = entry->vcc;
+ tmp->old_push = entry->old_push;
+ tmp->last_used = jiffies;
+ del_timer(&entry->timer);
+ lec_arp_put(entry);
+ entry = tmp;
+ } else {
+ entry->status = ESI_FORWARD_DIRECT;
+ memcpy(entry->mac_addr, mac_addr, ETH_ALEN);
+ entry->last_used = jiffies;
+ lec_arp_add(priv, entry);
+ }
+ if (remoteflag)
+ entry->flags |= LEC_REMOTE_FLAG;
+ else
+ entry->flags &= ~LEC_REMOTE_FLAG;
+ DPRINTK("After update\n");
+ dump_arp_table(priv);
+ goto out;
+ }
+ }
+ }
+
+ entry = lec_arp_find(priv, mac_addr);
+ if (!entry) {
+ entry = make_entry(priv, mac_addr);
+ if (!entry)
goto out;
- entry->status = ESI_UNKNOWN;
- lec_arp_add(priv, entry);
- /* Temporary, changes before end of function */
- }
- 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) {
- if (entry != tmp &&
- !memcmp(tmp->atm_addr, atm_addr,
- ATM_ESA_LEN)) {
- /* Vcc to this host exists */
- if (tmp->status > ESI_VC_PENDING) {
- /*
- * ESI_FLUSH_PENDING,
- * ESI_FORWARD_DIRECT
- */
- entry->vcc = tmp->vcc;
- entry->old_push=tmp->old_push;
- }
- entry->status=tmp->status;
- break;
- }
- }
- }
- if (remoteflag)
- entry->flags|=LEC_REMOTE_FLAG;
- else
- 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);
- }
- DPRINTK("After update2\n");
- dump_arp_table(priv);
+ entry->status = ESI_UNKNOWN;
+ lec_arp_add(priv, entry);
+ /* Temporary, changes before end of function */
+ }
+ memcpy(entry->atm_addr, atm_addr, ATM_ESA_LEN);
+ del_timer(&entry->timer);
+ for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
+ hlist_for_each_entry(tmp, node, &priv->lec_arp_tables[i], next) {
+ if (entry != tmp &&
+ !memcmp(tmp->atm_addr, atm_addr, ATM_ESA_LEN)) {
+ /* Vcc to this host exists */
+ if (tmp->status > ESI_VC_PENDING) {
+ /*
+ * ESI_FLUSH_PENDING,
+ * ESI_FORWARD_DIRECT
+ */
+ entry->vcc = tmp->vcc;
+ entry->old_push = tmp->old_push;
+ }
+ entry->status = tmp->status;
+ break;
+ }
+ }
+ }
+ if (remoteflag)
+ entry->flags |= LEC_REMOTE_FLAG;
+ else
+ 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);
+ }
+ DPRINTK("After update2\n");
+ dump_arp_table(priv);
out:
spin_unlock_irqrestore(&priv->lec_arp_lock, flags);
}
*/
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))
+ struct atm_vcc *vcc,
+ void (*old_push) (struct atm_vcc *vcc, struct sk_buff *skb))
{
unsigned long flags;
- struct lec_arp_table *entry;
- int i, found_entry=0;
+ struct hlist_node *node;
+ struct lec_arp_table *entry;
+ int i, found_entry = 0;
spin_lock_irqsave(&priv->lec_arp_lock, flags);
- if (ioc_data->receive == 2) {
- /* Vcc for Multicast Forward. No timer, LANEv2 7.1.20 and 2.3.5.3 */
+ if (ioc_data->receive == 2) {
+ /* Vcc for Multicast Forward. No timer, LANEv2 7.1.20 and 2.3.5.3 */
- DPRINTK("LEC_ARP: Attaching mcast forward\n");
+ DPRINTK("LEC_ARP: Attaching mcast forward\n");
#if 0
- entry = lec_arp_find(priv, bus_mac);
- if (!entry) {
- printk("LEC_ARP: Multicast entry not found!\n");
+ entry = lec_arp_find(priv, bus_mac);
+ if (!entry) {
+ printk("LEC_ARP: Multicast entry not found!\n");
goto out;
- }
- memcpy(entry->atm_addr, ioc_data->atm_addr, ATM_ESA_LEN);
- entry->recv_vcc = vcc;
- entry->old_recv_push = old_push;
+ }
+ memcpy(entry->atm_addr, ioc_data->atm_addr, ATM_ESA_LEN);
+ entry->recv_vcc = vcc;
+ entry->old_recv_push = old_push;
#endif
- entry = make_entry(priv, bus_mac);
- if (entry == NULL)
+ entry = make_entry(priv, bus_mac);
+ if (entry == NULL)
goto out;
- del_timer(&entry->timer);
- memcpy(entry->atm_addr, ioc_data->atm_addr, ATM_ESA_LEN);
- entry->recv_vcc = vcc;
- entry->old_recv_push = old_push;
- entry->next = priv->mcast_fwds;
- 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]);
- entry = make_entry(priv, bus_mac);
- if (entry == NULL)
+ del_timer(&entry->timer);
+ memcpy(entry->atm_addr, ioc_data->atm_addr, ATM_ESA_LEN);
+ entry->recv_vcc = vcc;
+ entry->old_recv_push = old_push;
+ hlist_add_head(&entry->next, &priv->mcast_fwds);
+ 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]);
+ entry = make_entry(priv, bus_mac);
+ if (entry == NULL)
goto out;
- memcpy(entry->atm_addr, ioc_data->atm_addr, ATM_ESA_LEN);
- memset(entry->mac_addr, 0, ETH_ALEN);
- entry->recv_vcc = vcc;
- entry->old_recv_push = old_push;
- entry->status = ESI_UNKNOWN;
- entry->timer.expires = jiffies + priv->vcc_timeout_period;
- entry->timer.function = lec_arp_expire_vcc;
- add_timer(&entry->timer);
- entry->next = priv->lec_no_forward;
- priv->lec_no_forward = entry;
+ memcpy(entry->atm_addr, ioc_data->atm_addr, ATM_ESA_LEN);
+ memset(entry->mac_addr, 0, ETH_ALEN);
+ entry->recv_vcc = vcc;
+ entry->old_recv_push = old_push;
+ entry->status = ESI_UNKNOWN;
+ entry->timer.expires = jiffies + priv->vcc_timeout_period;
+ entry->timer.function = lec_arp_expire_vcc;
+ hlist_add_head(&entry->next, &priv->lec_no_forward);
+ add_timer(&entry->timer);
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]);
- 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) {
- 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;
- 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)
- entry->status =
- ESI_FORWARD_DIRECT;
- else {
- entry->timestamp = jiffies;
- entry->status =
- ESI_FLUSH_PENDING;
+ }
+ 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++) {
+ hlist_for_each_entry(entry, node, &priv->lec_arp_tables[i], 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;
+ 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)
+ entry->status =
+ ESI_FORWARD_DIRECT;
+ else {
+ entry->timestamp = jiffies;
+ entry->status =
+ ESI_FLUSH_PENDING;
#if 0
- send_to_lecd(priv,l_flush_xmt,
- NULL,
- entry->atm_addr,
- NULL);
+ 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... */
- ;
- }
- }
- }
- }
- if (found_entry) {
- DPRINTK("After vcc was added\n");
- dump_arp_table(priv);
+ }
+ } 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...
+ */
+ ;
+ }
+ }
+ }
+ }
+ if (found_entry) {
+ DPRINTK("After vcc was added\n");
+ dump_arp_table(priv);
goto out;
- }
- /* Not found, snatch address from first data packet that arrives from
- this vcc */
- entry = make_entry(priv, bus_mac);
- if (!entry)
+ }
+ /*
+ * Not found, snatch address from first data packet that arrives
+ * from this vcc
+ */
+ entry = make_entry(priv, bus_mac);
+ if (!entry)
goto out;
- entry->vcc = vcc;
- entry->old_push = old_push;
- memcpy(entry->atm_addr, ioc_data->atm_addr, ATM_ESA_LEN);
- memset(entry->mac_addr, 0, ETH_ALEN);
- entry->status = ESI_UNKNOWN;
- entry->next = priv->lec_arp_empty_ones;
- priv->lec_arp_empty_ones = entry;
- entry->timer.expires = jiffies + priv->vcc_timeout_period;
- entry->timer.function = lec_arp_expire_vcc;
- add_timer(&entry->timer);
- DPRINTK("After vcc was added\n");
+ entry->vcc = vcc;
+ entry->old_push = old_push;
+ memcpy(entry->atm_addr, ioc_data->atm_addr, ATM_ESA_LEN);
+ memset(entry->mac_addr, 0, ETH_ALEN);
+ entry->status = ESI_UNKNOWN;
+ hlist_add_head(&entry->next, &priv->lec_arp_empty_ones);
+ entry->timer.expires = jiffies + priv->vcc_timeout_period;
+ entry->timer.function = lec_arp_expire_vcc;
+ add_timer(&entry->timer);
+ DPRINTK("After vcc was added\n");
dump_arp_table(priv);
out:
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);
+ struct hlist_node *node;
+ struct lec_arp_table *entry;
+ int i;
+
+ DPRINTK("LEC:lec_flush_complete %lx\n", tran_id);
+restart:
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) {
- struct sk_buff *skb;
-
- 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");
- }
- }
- }
+ for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
+ hlist_for_each_entry(entry, node, &priv->lec_arp_tables[i], next) {
+ if (entry->flush_tran_id == tran_id
+ && entry->status == ESI_FLUSH_PENDING) {
+ struct sk_buff *skb;
+ struct atm_vcc *vcc = entry->vcc;
+
+ lec_arp_hold(entry);
+ spin_unlock_irqrestore(&priv->lec_arp_lock, flags);
+ while ((skb = skb_dequeue(&entry->tx_wait)) != NULL)
+ lec_send(vcc, skb, entry->priv);
+ entry->last_used = jiffies;
+ entry->status = ESI_FORWARD_DIRECT;
+ lec_arp_put(entry);
+ DPRINTK("LEC_ARP: Flushed\n");
+ goto restart;
+ }
+ }
+ }
spin_unlock_irqrestore(&priv->lec_arp_lock, flags);
- dump_arp_table(priv);
+ dump_arp_table(priv);
}
static void
lec_set_flush_tran_id(struct lec_priv *priv,
- unsigned char *atm_addr, unsigned long tran_id)
+ unsigned char *atm_addr, unsigned long tran_id)
{
unsigned long flags;
- struct lec_arp_table *entry;
- int i;
+ struct hlist_node *node;
+ struct lec_arp_table *entry;
+ int i;
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 (!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);
- }
+ for (i = 0; i < LEC_ARP_TABLE_SIZE; i++)
+ hlist_for_each_entry(entry, node, &priv->lec_arp_tables[i], 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);
+ }
+ }
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 };
- struct lec_arp_table *to_add;
+ unsigned char mac_addr[] = {
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
+ };
+ struct lec_arp_table *to_add;
struct lec_vcc_priv *vpriv;
int err = 0;
-
+
if (!(vpriv = kmalloc(sizeof(struct lec_vcc_priv), GFP_KERNEL)))
return -ENOMEM;
vpriv->xoff = 0;
vpriv->old_pop = vcc->pop;
vcc->user_back = vpriv;
- vcc->pop = lec_pop;
+ vcc->pop = lec_pop;
spin_lock_irqsave(&priv->lec_arp_lock, flags);
- to_add = make_entry(priv, mac_addr);
- if (!to_add) {
+ to_add = make_entry(priv, mac_addr);
+ if (!to_add) {
vcc->pop = vpriv->old_pop;
kfree(vpriv);
- err = -ENOMEM;
+ err = -ENOMEM;
goto out;
- }
- memcpy(to_add->atm_addr, vcc->remote.sas_addr.prv, ATM_ESA_LEN);
- to_add->status = ESI_FORWARD_DIRECT;
- to_add->flags |= LEC_PERMANENT_FLAG;
- to_add->vcc = vcc;
- to_add->old_push = vcc->push;
- vcc->push = lec_push;
- priv->mcast_vcc = vcc;
- lec_arp_add(priv, to_add);
+ }
+ memcpy(to_add->atm_addr, vcc->remote.sas_addr.prv, ATM_ESA_LEN);
+ to_add->status = ESI_FORWARD_DIRECT;
+ to_add->flags |= LEC_PERMANENT_FLAG;
+ to_add->vcc = vcc;
+ to_add->old_push = vcc->push;
+ vcc->push = lec_push;
+ priv->mcast_vcc = vcc;
+ lec_arp_add(priv, to_add);
out:
spin_unlock_irqrestore(&priv->lec_arp_lock, flags);
- return err;
+ 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;
+ struct hlist_node *node, *next;
+ struct lec_arp_table *entry;
+ int i;
+
+ DPRINTK("LEC_ARP: lec_vcc_close vpi:%d vci:%d\n", vcc->vpi, vcc->vci);
+ dump_arp_table(priv);
- 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) {
- next = entry->next;
- if (vcc == entry->vcc) {
- lec_arp_remove(priv, entry);
- kfree(entry);
- if (priv->mcast_vcc == vcc) {
- priv->mcast_vcc = NULL;
- }
- }
- }
- }
-
- entry = priv->lec_arp_empty_ones;
- priv->lec_arp_empty_ones = NULL;
- while (entry != NULL) {
- next = entry->next;
- if (entry->vcc == vcc) { /* leave it out from the list */
- lec_arp_clear_vccs(entry);
- del_timer(&entry->timer);
- kfree(entry);
- }
- else { /* put it back to the list */
- entry->next = priv->lec_arp_empty_ones;
- priv->lec_arp_empty_ones = entry;
- }
- entry = next;
- }
-
- entry = priv->lec_no_forward;
- priv->lec_no_forward = NULL;
- while (entry != NULL) {
- next = entry->next;
- if (entry->recv_vcc == vcc) {
- lec_arp_clear_vccs(entry);
- del_timer(&entry->timer);
- kfree(entry);
- }
- else {
- entry->next = priv->lec_no_forward;
- priv->lec_no_forward = entry;
- }
- entry = next;
- }
-
- entry = priv->mcast_fwds;
- priv->mcast_fwds = NULL;
- while (entry != NULL) {
- next = entry->next;
- if (entry->recv_vcc == vcc) {
- lec_arp_clear_vccs(entry);
- /* No timer, LANEv2 7.1.20 and 2.3.5.3 */
- kfree(entry);
- }
- else {
- entry->next = priv->mcast_fwds;
- priv->mcast_fwds = entry;
- }
- entry = next;
- }
+
+ for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
+ hlist_for_each_entry_safe(entry, node, next, &priv->lec_arp_tables[i], next) {
+ if (vcc == entry->vcc) {
+ lec_arp_remove(priv, entry);
+ lec_arp_put(entry);
+ if (priv->mcast_vcc == vcc) {
+ priv->mcast_vcc = NULL;
+ }
+ }
+ }
+ }
+
+ hlist_for_each_entry_safe(entry, node, next, &priv->lec_arp_empty_ones, next) {
+ if (entry->vcc == vcc) {
+ lec_arp_clear_vccs(entry);
+ del_timer(&entry->timer);
+ hlist_del(&entry->next);
+ lec_arp_put(entry);
+ }
+ }
+
+ hlist_for_each_entry_safe(entry, node, next, &priv->lec_no_forward, next) {
+ if (entry->recv_vcc == vcc) {
+ lec_arp_clear_vccs(entry);
+ del_timer(&entry->timer);
+ hlist_del(&entry->next);
+ lec_arp_put(entry);
+ }
+ }
+
+ hlist_for_each_entry_safe(entry, node, next, &priv->mcast_fwds, next) {
+ if (entry->recv_vcc == vcc) {
+ lec_arp_clear_vccs(entry);
+ /* No timer, LANEv2 7.1.20 and 2.3.5.3 */
+ hlist_del(&entry->next);
+ lec_arp_put(entry);
+ }
+ }
spin_unlock_irqrestore(&priv->lec_arp_lock, flags);
dump_arp_table(priv);
static void
lec_arp_check_empties(struct lec_priv *priv,
- struct atm_vcc *vcc, struct sk_buff *skb)
+ struct atm_vcc *vcc, struct sk_buff *skb)
{
- unsigned long flags;
- struct lec_arp_table *entry, *prev;
- struct lecdatahdr_8023 *hdr = (struct lecdatahdr_8023 *)skb->data;
- unsigned char *src;
+ unsigned long flags;
+ struct hlist_node *node, *next;
+ struct lec_arp_table *entry, *tmp;
+ struct lecdatahdr_8023 *hdr = (struct lecdatahdr_8023 *)skb->data;
+ unsigned char *src;
#ifdef CONFIG_TR
- struct lecdatahdr_8025 *tr_hdr = (struct lecdatahdr_8025 *)skb->data;
+ struct lecdatahdr_8025 *tr_hdr = (struct lecdatahdr_8025 *)skb->data;
- if (priv->is_trdev) src = tr_hdr->h_source;
- else
+ if (priv->is_trdev)
+ src = tr_hdr->h_source;
+ else
#endif
- src = hdr->h_source;
+ src = hdr->h_source;
spin_lock_irqsave(&priv->lec_arp_lock, flags);
- entry = priv->lec_arp_empty_ones;
- if (vcc == entry->vcc) {
- del_timer(&entry->timer);
- memcpy(entry->mac_addr, src, ETH_ALEN);
- entry->status = ESI_FORWARD_DIRECT;
- entry->last_used = jiffies;
- priv->lec_arp_empty_ones = entry->next;
- /* We might have got an entry */
- if ((prev = lec_arp_find(priv,src))) {
- lec_arp_remove(priv, prev);
- kfree(prev);
- }
- lec_arp_add(priv, entry);
- goto out;
- }
- prev = entry;
- entry = entry->next;
- while (entry && entry->vcc != vcc) {
- prev= entry;
- entry = entry->next;
- }
- if (!entry) {
- DPRINTK("LEC_ARP: Arp_check_empties: entry not found!\n");
- goto out;
- }
- del_timer(&entry->timer);
- memcpy(entry->mac_addr, src, ETH_ALEN);
- entry->status = ESI_FORWARD_DIRECT;
- entry->last_used = jiffies;
- prev->next = entry->next;
- if ((prev = lec_arp_find(priv, src))) {
- lec_arp_remove(priv, prev);
- kfree(prev);
- }
- lec_arp_add(priv, entry);
+ hlist_for_each_entry_safe(entry, node, next, &priv->lec_arp_empty_ones, next) {
+ if (vcc == entry->vcc) {
+ del_timer(&entry->timer);
+ memcpy(entry->mac_addr, src, ETH_ALEN);
+ entry->status = ESI_FORWARD_DIRECT;
+ entry->last_used = jiffies;
+ /* We might have got an entry */
+ if ((tmp = lec_arp_find(priv, src))) {
+ lec_arp_remove(priv, tmp);
+ lec_arp_put(tmp);
+ }
+ hlist_del(&entry->next);
+ lec_arp_add(priv, entry);
+ goto out;
+ }
+ }
+ DPRINTK("LEC_ARP: Arp_check_empties: entry not found!\n");
out:
spin_unlock_irqrestore(&priv->lec_arp_lock, flags);
}
+
MODULE_LICENSE("GPL");
projects / powerpc.git / blobdiff