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Diffstat (limited to 'net/atm/lec.c')
-rw-r--r--net/atm/lec.c192
1 files changed, 82 insertions, 110 deletions
diff --git a/net/atm/lec.c b/net/atm/lec.c
index 42749b7b917c..6873813c3c99 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -4,6 +4,8 @@
* Marko Kiiskila <mkiiskila@yahoo.com>
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ":%s: " fmt, __func__
+
#include <linux/kernel.h>
#include <linux/bitops.h>
#include <linux/capability.h>
@@ -242,7 +244,7 @@ lec_send(struct atm_vcc *vcc, struct sk_buff *skb)
static void lec_tx_timeout(struct net_device *dev)
{
- printk(KERN_INFO "%s: tx timeout\n", dev->name);
+ pr_info("%s\n", dev->name);
dev->trans_start = jiffies;
netif_wake_queue(dev);
}
@@ -266,7 +268,7 @@ static netdev_tx_t lec_start_xmit(struct sk_buff *skb,
int i = 0;
#endif /* DUMP_PACKETS >0 */
- pr_debug("lec_start_xmit called\n");
+ pr_debug("called\n");
if (!priv->lecd) {
printk("%s:No lecd attached\n", dev->name);
dev->stats.tx_errors++;
@@ -276,8 +278,8 @@ static netdev_tx_t lec_start_xmit(struct sk_buff *skb,
}
pr_debug("skbuff head:%lx data:%lx tail:%lx end:%lx\n",
- (long)skb->head, (long)skb->data, (long)skb_tail_pointer(skb),
- (long)skb_end_pointer(skb));
+ (long)skb->head, (long)skb->data, (long)skb_tail_pointer(skb),
+ (long)skb_end_pointer(skb));
#if defined(CONFIG_BRIDGE) || defined(CONFIG_BRIDGE_MODULE)
if (memcmp(skb->data, bridge_ula_lec, sizeof(bridge_ula_lec)) == 0)
lec_handle_bridge(skb, dev);
@@ -286,7 +288,7 @@ static netdev_tx_t lec_start_xmit(struct sk_buff *skb,
/* Make sure we have room for lec_id */
if (skb_headroom(skb) < 2) {
- pr_debug("lec_start_xmit: reallocating skb\n");
+ pr_debug("reallocating skb\n");
skb2 = skb_realloc_headroom(skb, LEC_HEADER_LEN);
kfree_skb(skb);
if (skb2 == NULL)
@@ -367,19 +369,16 @@ static netdev_tx_t lec_start_xmit(struct sk_buff *skb,
#endif
entry = NULL;
vcc = lec_arp_resolve(priv, dst, is_rdesc, &entry);
- pr_debug("%s:vcc:%p vcc_flags:%lx, entry:%p\n", dev->name,
- vcc, vcc ? vcc->flags : 0, entry);
+ pr_debug("%s:vcc:%p vcc_flags:%lx, entry:%p\n",
+ dev->name, vcc, vcc ? vcc->flags : 0, entry);
if (!vcc || !test_bit(ATM_VF_READY, &vcc->flags)) {
if (entry && (entry->tx_wait.qlen < LEC_UNRES_QUE_LEN)) {
- pr_debug("%s:lec_start_xmit: queuing packet, ",
- dev->name);
- pr_debug("MAC address %pM\n", lec_h->h_dest);
+ pr_debug("%s:queuing packet, MAC address %pM\n",
+ dev->name, lec_h->h_dest);
skb_queue_tail(&entry->tx_wait, skb);
} else {
- pr_debug
- ("%s:lec_start_xmit: tx queue full or no arp entry, dropping, ",
- dev->name);
- pr_debug("MAC address %pM\n", lec_h->h_dest);
+ pr_debug("%s:tx queue full or no arp entry, dropping, MAC address: %pM\n",
+ dev->name, lec_h->h_dest);
dev->stats.tx_dropped++;
dev_kfree_skb(skb);
}
@@ -390,8 +389,7 @@ static netdev_tx_t lec_start_xmit(struct sk_buff *skb,
#endif /* DUMP_PACKETS > 0 */
while (entry && (skb2 = skb_dequeue(&entry->tx_wait))) {
- pr_debug("lec.c: emptying tx queue, ");
- pr_debug("MAC address %pM\n", lec_h->h_dest);
+ pr_debug("emptying tx queue, MAC address %pM\n", lec_h->h_dest);
lec_send(vcc, skb2);
}
@@ -477,10 +475,10 @@ static int lec_atm_send(struct atm_vcc *vcc, struct sk_buff *skb)
mesg->content.normal.atm_addr,
mesg->content.normal.flag,
mesg->content.normal.targetless_le_arp);
- pr_debug("lec: in l_arp_update\n");
+ pr_debug("in l_arp_update\n");
if (mesg->sizeoftlvs != 0) { /* LANE2 3.1.5 */
- pr_debug("lec: LANE2 3.1.5, got tlvs, size %d\n",
- mesg->sizeoftlvs);
+ pr_debug("LANE2 3.1.5, got tlvs, size %d\n",
+ mesg->sizeoftlvs);
lane2_associate_ind(dev, mesg->content.normal.mac_addr,
tmp, mesg->sizeoftlvs);
}
@@ -531,9 +529,8 @@ static int lec_atm_send(struct atm_vcc *vcc, struct sk_buff *skb)
struct sk_buff *skb2;
struct sock *sk;
- pr_debug
- ("%s: entry found, responding to zeppelin\n",
- dev->name);
+ pr_debug("%s: entry found, responding to zeppelin\n",
+ dev->name);
skb2 =
alloc_skb(sizeof(struct atmlec_msg),
GFP_ATOMIC);
@@ -633,7 +630,7 @@ send_to_lecd(struct lec_priv *priv, atmlec_msg_type type,
sk->sk_data_ready(sk, skb->len);
if (data != NULL) {
- pr_debug("lec: about to send %d bytes of data\n", data->len);
+ pr_debug("about to send %d bytes of data\n", data->len);
atm_force_charge(priv->lecd, data->truesize);
skb_queue_tail(&sk->sk_receive_queue, data);
sk->sk_data_ready(sk, skb->len);
@@ -692,35 +689,27 @@ static void lec_push(struct atm_vcc *vcc, struct sk_buff *skb)
struct lec_priv *priv = netdev_priv(dev);
#if DUMP_PACKETS >0
- int i = 0;
- char buf[300];
-
- printk("%s: lec_push vcc vpi:%d vci:%d\n", dev->name,
- vcc->vpi, vcc->vci);
+ printk(KERN_DEBUG "%s: vcc vpi:%d vci:%d\n",
+ dev->name, vcc->vpi, vcc->vci);
#endif
if (!skb) {
pr_debug("%s: null skb\n", dev->name);
lec_vcc_close(priv, vcc);
return;
}
-#if DUMP_PACKETS > 0
- printk("%s: rcv datalen:%ld lecid:%4.4x\n", dev->name,
- skb->len, priv->lecid);
#if DUMP_PACKETS >= 2
- for (i = 0; i < skb->len && i < 99; i++) {
- sprintf(buf + i * 3, "%2.2x ", 0xff & skb->data[i]);
- }
+#define MAX_SKB_DUMP 99
#elif DUMP_PACKETS >= 1
- for (i = 0; i < skb->len && i < 30; i++) {
- sprintf(buf + i * 3, "%2.2x ", 0xff & skb->data[i]);
- }
-#endif /* DUMP_PACKETS >= 1 */
- if (i == skb->len)
- printk("%s\n", buf);
- else
- printk("%s...\n", buf);
+#define MAX_SKB_DUMP 30
+#endif
+#if DUMP_PACKETS > 0
+ printk(KERN_DEBUG "%s: rcv datalen:%ld lecid:%4.4x\n",
+ dev->name, skb->len, priv->lecid);
+ print_hex_dump(KERN_DEBUG, "", DUMP_OFFSET, 16, 1,
+ skb->data, min(MAX_SKB_DUMP, skb->len), true);
#endif /* DUMP_PACKETS > 0 */
- if (memcmp(skb->data, lec_ctrl_magic, 4) == 0) { /* Control frame, to daemon */
+ if (memcmp(skb->data, lec_ctrl_magic, 4) == 0) {
+ /* Control frame, to daemon */
struct sock *sk = sk_atm(vcc);
pr_debug("%s: To daemon\n", dev->name);
@@ -801,7 +790,7 @@ static void lec_pop(struct atm_vcc *vcc, struct sk_buff *skb)
struct net_device *dev = skb->dev;
if (vpriv == NULL) {
- printk("lec_pop(): vpriv = NULL!?!?!?\n");
+ pr_info("vpriv = NULL!?!?!?\n");
return;
}
@@ -822,11 +811,8 @@ static int lec_vcc_attach(struct atm_vcc *vcc, void __user *arg)
/* Lecd must be up in this case */
bytes_left = copy_from_user(&ioc_data, arg, sizeof(struct atmlec_ioc));
- if (bytes_left != 0) {
- printk
- ("lec: lec_vcc_attach, copy from user failed for %d bytes\n",
- bytes_left);
- }
+ if (bytes_left != 0)
+ pr_info("copy from user failed for %d bytes\n", bytes_left);
if (ioc_data.dev_num < 0 || ioc_data.dev_num >= MAX_LEC_ITF ||
!dev_lec[ioc_data.dev_num])
return -EINVAL;
@@ -1199,7 +1185,7 @@ static int __init lane_module_init(void)
p = proc_create("lec", S_IRUGO, atm_proc_root, &lec_seq_fops);
if (!p) {
- printk(KERN_ERR "Unable to initialize /proc/net/atm/lec\n");
+ pr_err("Unable to initialize /proc/net/atm/lec\n");
return -ENOMEM;
}
#endif
@@ -1381,7 +1367,7 @@ static void lane2_associate_ind(struct net_device *dev, const u8 *mac_addr,
#if 0
#define pr_debug(format,args...)
/*
-#define pr_debug printk
+ #define pr_debug printk
*/
#endif
#define DEBUG_ARP_TABLE 0
@@ -1450,10 +1436,7 @@ lec_arp_add(struct lec_priv *priv, struct lec_arp_table *entry)
tmp = &priv->lec_arp_tables[HASH(entry->mac_addr[ETH_ALEN - 1])];
hlist_add_head(&entry->next, tmp);
- pr_debug("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]);
+ pr_debug("Added entry:%pM\n", entry->mac_addr);
}
/*
@@ -1492,10 +1475,7 @@ lec_arp_remove(struct lec_priv *priv, struct lec_arp_table *to_remove)
}
skb_queue_purge(&to_remove->tx_wait); /* FIXME: good place for this? */
- pr_debug("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]);
+ pr_debug("Removed entry:%pM\n", to_remove->mac_addr);
return 0;
}
@@ -1714,9 +1694,7 @@ static struct lec_arp_table *lec_arp_find(struct lec_priv *priv,
struct hlist_head *head;
struct lec_arp_table *entry;
- pr_debug("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);
+ pr_debug("%pM\n", mac_addr);
head = &priv->lec_arp_tables[HASH(mac_addr[ETH_ALEN - 1])];
hlist_for_each_entry(entry, node, head, next) {
@@ -1755,7 +1733,7 @@ static void lec_arp_expire_arp(unsigned long data)
entry = (struct lec_arp_table *)data;
- pr_debug("lec_arp_expire_arp\n");
+ pr_debug("\n");
if (entry->status == ESI_ARP_PENDING) {
if (entry->no_tries <= entry->priv->max_retry_count) {
if (entry->is_rdesc)
@@ -1779,10 +1757,10 @@ static void lec_arp_expire_vcc(unsigned long data)
del_timer(&to_remove->timer);
- pr_debug("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);
+ pr_debug("%p %p: 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);
hlist_del(&to_remove->next);
@@ -1819,7 +1797,7 @@ static void lec_arp_check_expire(struct work_struct *work)
unsigned long time_to_check;
int i;
- pr_debug("lec_arp_check_expire %p\n", priv);
+ pr_debug("%p\n", priv);
now = jiffies;
restart:
spin_lock_irqsave(&priv->lec_arp_lock, flags);
@@ -1832,12 +1810,12 @@ restart:
time_to_check = priv->aging_time;
pr_debug("About to expire: %lx - %lx > %lx\n",
- now, entry->last_used, time_to_check);
+ 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 */
- pr_debug("LEC:Entry timed out\n");
+ pr_debug("Entry timed out\n");
lec_arp_remove(priv, entry);
lec_arp_put(entry);
} else {
@@ -1934,7 +1912,7 @@ static struct atm_vcc *lec_arp_resolve(struct lec_priv *priv,
entry->packets_flooded <
priv->maximum_unknown_frame_count) {
entry->packets_flooded++;
- pr_debug("LEC_ARP: Flooding..\n");
+ pr_debug("Flooding..\n");
found = priv->mcast_vcc;
goto out;
}
@@ -1945,13 +1923,13 @@ static struct atm_vcc *lec_arp_resolve(struct lec_priv *priv,
*/
lec_arp_hold(entry);
*ret_entry = entry;
- pr_debug("lec: entry->status %d entry->vcc %p\n", entry->status,
- entry->vcc);
+ pr_debug("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);
- pr_debug("LEC_ARP: Making entry\n");
+ pr_debug("Making entry\n");
if (!entry) {
found = priv->mcast_vcc;
goto out;
@@ -1988,7 +1966,7 @@ lec_addr_delete(struct lec_priv *priv, const unsigned char *atm_addr,
struct lec_arp_table *entry;
int i;
- pr_debug("lec_addr_delete\n");
+ pr_debug("\n");
spin_lock_irqsave(&priv->lec_arp_lock, flags);
for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
hlist_for_each_entry_safe(entry, node, next, &priv->lec_arp_tables[i], next) {
@@ -2019,10 +1997,8 @@ lec_arp_update(struct lec_priv *priv, const unsigned char *mac_addr,
struct lec_arp_table *entry, *tmp;
int i;
- pr_debug("lec:%s", (targetless_le_arp) ? "targetless " : " ");
- pr_debug("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]);
+ pr_debug("%smac:%pM\n",
+ (targetless_le_arp) ? "targetless " : "", mac_addr);
spin_lock_irqsave(&priv->lec_arp_lock, flags);
entry = lec_arp_find(priv, mac_addr);
@@ -2149,19 +2125,17 @@ lec_vcc_added(struct lec_priv *priv, const struct atmlec_ioc *ioc_data,
* Vcc which we don't want to make default vcc,
* attach it anyway.
*/
- pr_debug
- ("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]);
+ pr_debug("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;
@@ -2177,19 +2151,17 @@ lec_vcc_added(struct lec_priv *priv, const struct atmlec_ioc *ioc_data,
dump_arp_table(priv);
goto out;
}
- pr_debug
- ("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]);
+ pr_debug("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
@@ -2197,9 +2169,9 @@ lec_vcc_added(struct lec_priv *priv, const struct atmlec_ioc *ioc_data,
ATM_ESA_LEN) == 0) {
pr_debug("LEC_ARP: Attaching data direct\n");
pr_debug("Currently -> Vcc: %d, Rvcc:%d\n",
- entry->vcc ? entry->vcc->vci : 0,
- entry->recv_vcc ? entry->recv_vcc->
- vci : 0);
+ entry->vcc ? entry->vcc->vci : 0,
+ entry->recv_vcc ? entry->recv_vcc->
+ vci : 0);
found_entry = 1;
del_timer(&entry->timer);
entry->vcc = vcc;
@@ -2271,7 +2243,7 @@ static void lec_flush_complete(struct lec_priv *priv, unsigned long tran_id)
struct lec_arp_table *entry;
int i;
- pr_debug("LEC:lec_flush_complete %lx\n", tran_id);
+ pr_debug("%lx\n", tran_id);
restart:
spin_lock_irqsave(&priv->lec_arp_lock, flags);
for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
@@ -2312,7 +2284,7 @@ lec_set_flush_tran_id(struct lec_priv *priv,
if (!memcmp(atm_addr, entry->atm_addr, ATM_ESA_LEN)) {
entry->flush_tran_id = tran_id;
pr_debug("Set flush transaction id to %lx for %p\n",
- tran_id, entry);
+ tran_id, entry);
}
}
spin_unlock_irqrestore(&priv->lec_arp_lock, flags);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.