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Commit d44f7746 authored by Chas Williams's avatar Chas Williams Committed by David S. Miller
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[ATM]: [lec] indent, comment and whitespace cleanup 

Signed-off-by: default avatarChas Williams <chas@cmf.nrl.navy.mil>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f236218b
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Showing with 715 additions and 692 deletions
net/atm/lec.c
View file @ d44f7746
/* /*
* lec.c: Lan Emulation driver * lec.c: Lan Emulation driver
* Marko Kiiskila mkiiskila@yahoo.com
* *
* Marko Kiiskila <mkiiskila@yahoo.com>
*/ */
#include <linux/kernel.h> #include <linux/kernel.h>
...@@ -38,7 +38,7 @@ ...@@ -38,7 +38,7 @@
#include <linux/if_bridge.h> #include <linux/if_bridge.h>
#include "../bridge/br_private.h" #include "../bridge/br_private.h"
static unsigned char bridge_ula_lec[] = {0x01, 0x80, 0xc2, 0x00, 0x00}; static unsigned char bridge_ula_lec[] = { 0x01, 0x80, 0xc2, 0x00, 0x00 };
#endif #endif
/* Modular too */ /* Modular too */
...@@ -55,38 +55,41 @@ static unsigned char bridge_ula_lec[] = {0x01, 0x80, 0xc2, 0x00, 0x00}; ...@@ -55,38 +55,41 @@ static unsigned char bridge_ula_lec[] = {0x01, 0x80, 0xc2, 0x00, 0x00};
#define DPRINTK(format,args...) #define DPRINTK(format,args...)
#endif #endif
#define DUMP_PACKETS 0 /* 0 = None, #define DUMP_PACKETS 0 /*
* 1 = 30 first bytes * 0 = None,
* 2 = Whole packet * 1 = 30 first bytes
*/ * 2 = Whole packet
*/
#define LEC_UNRES_QUE_LEN 8 /* number of tx packets to queue for a #define LEC_UNRES_QUE_LEN 8 /*
single destination while waiting for SVC */ * number of tx packets to queue for a
* single destination while waiting for SVC
*/
static int lec_open(struct net_device *dev); static int lec_open(struct net_device *dev);
static int lec_start_xmit(struct sk_buff *skb, struct net_device *dev); static int lec_start_xmit(struct sk_buff *skb, struct net_device *dev);
static int lec_close(struct net_device *dev); static int lec_close(struct net_device *dev);
static struct net_device_stats *lec_get_stats(struct net_device *dev); static struct net_device_stats *lec_get_stats(struct net_device *dev);
static void lec_init(struct net_device *dev); static void lec_init(struct net_device *dev);
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 char *mac_addr);
static int lec_arp_remove(struct lec_priv *priv, static int lec_arp_remove(struct lec_priv *priv,
struct lec_arp_table *to_remove); struct lec_arp_table *to_remove);
/* LANE2 functions */ /* LANE2 functions */
static void lane2_associate_ind (struct net_device *dev, u8 *mac_address, static void lane2_associate_ind(struct net_device *dev, u8 *mac_address,
u8 *tlvs, u32 sizeoftlvs); u8 *tlvs, u32 sizeoftlvs);
static int lane2_resolve(struct net_device *dev, u8 *dst_mac, int force, static int lane2_resolve(struct net_device *dev, u8 *dst_mac, int force,
u8 **tlvs, u32 *sizeoftlvs); u8 **tlvs, u32 *sizeoftlvs);
static int lane2_associate_req (struct net_device *dev, u8 *lan_dst, static int lane2_associate_req(struct net_device *dev, u8 *lan_dst,
u8 *tlvs, u32 sizeoftlvs); u8 *tlvs, u32 sizeoftlvs);
static int lec_addr_delete(struct lec_priv *priv, unsigned char *atm_addr, static int lec_addr_delete(struct lec_priv *priv, unsigned char *atm_addr,
unsigned long permanent); unsigned long permanent);
static void lec_arp_check_empties(struct lec_priv *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);
static void lec_arp_destroy(struct lec_priv *priv); static void lec_arp_destroy(struct lec_priv *priv);
static void lec_arp_init(struct lec_priv *priv); static void lec_arp_init(struct lec_priv *priv);
static struct atm_vcc* lec_arp_resolve(struct lec_priv *priv, static struct atm_vcc *lec_arp_resolve(struct lec_priv *priv,
unsigned char *mac_to_find, unsigned char *mac_to_find,
int is_rdesc, int is_rdesc,
struct lec_arp_table **ret_entry); struct lec_arp_table **ret_entry);
...@@ -100,16 +103,17 @@ static void lec_set_flush_tran_id(struct lec_priv *priv, ...@@ -100,16 +103,17 @@ static void lec_set_flush_tran_id(struct lec_priv *priv,
unsigned long tran_id); unsigned long tran_id);
static void lec_vcc_added(struct lec_priv *priv, struct atmlec_ioc *ioc_data, static void lec_vcc_added(struct lec_priv *priv, struct atmlec_ioc *ioc_data,
struct atm_vcc *vcc, 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));
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);
static struct lane2_ops lane2_ops = { static struct lane2_ops lane2_ops = {
lane2_resolve, /* resolve, spec 3.1.3 */ lane2_resolve, /* resolve, spec 3.1.3 */
lane2_associate_req, /* associate_req, spec 3.1.4 */ lane2_associate_req, /* associate_req, spec 3.1.4 */
NULL /* associate indicator, spec 3.1.5 */ NULL /* associate indicator, spec 3.1.5 */
}; };
static unsigned char bus_mac[ETH_ALEN] = {0xff,0xff,0xff,0xff,0xff,0xff}; static unsigned char bus_mac[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
/* Device structures */ /* Device structures */
static struct net_device *dev_lec[MAX_LEC_ITF]; static struct net_device *dev_lec[MAX_LEC_ITF];
...@@ -117,36 +121,39 @@ static struct net_device *dev_lec[MAX_LEC_ITF]; ...@@ -117,36 +121,39 @@ static struct net_device *dev_lec[MAX_LEC_ITF];
#if defined(CONFIG_BRIDGE) || defined(CONFIG_BRIDGE_MODULE) #if defined(CONFIG_BRIDGE) || defined(CONFIG_BRIDGE_MODULE)
static void lec_handle_bridge(struct sk_buff *skb, struct net_device *dev) static void lec_handle_bridge(struct sk_buff *skb, struct net_device *dev)
{ {
struct ethhdr *eth; struct ethhdr *eth;
char *buff; char *buff;
struct lec_priv *priv; struct lec_priv *priv;
/* Check if this is a BPDU. If so, ask zeppelin to send /*
* LE_TOPOLOGY_REQUEST with the same value of Topology Change bit * Check if this is a BPDU. If so, ask zeppelin to send
* as the Config BPDU has */ * LE_TOPOLOGY_REQUEST with the same value of Topology Change bit
eth = (struct ethhdr *)skb->data; * as the Config BPDU has
buff = skb->data + skb->dev->hard_header_len; */
if (*buff++ == 0x42 && *buff++ == 0x42 && *buff++ == 0x03) { eth = (struct ethhdr *)skb->data;
buff = skb->data + skb->dev->hard_header_len;
if (*buff++ == 0x42 && *buff++ == 0x42 && *buff++ == 0x03) {
struct sock *sk; struct sock *sk;
struct sk_buff *skb2; struct sk_buff *skb2;
struct atmlec_msg *mesg; struct atmlec_msg *mesg;
skb2 = alloc_skb(sizeof(struct atmlec_msg), GFP_ATOMIC); skb2 = alloc_skb(sizeof(struct atmlec_msg), GFP_ATOMIC);
if (skb2 == NULL) return; if (skb2 == NULL)
skb2->len = sizeof(struct atmlec_msg); return;
mesg = (struct atmlec_msg *)skb2->data; skb2->len = sizeof(struct atmlec_msg);
mesg->type = l_topology_change; mesg = (struct atmlec_msg *)skb2->data;
buff += 4; mesg->type = l_topology_change;
mesg->content.normal.flag = *buff & 0x01; /* 0x01 is topology change */ buff += 4;
mesg->content.normal.flag = *buff & 0x01; /* 0x01 is topology change */
priv = (struct lec_priv *)dev->priv;
atm_force_charge(priv->lecd, skb2->truesize); priv = (struct lec_priv *)dev->priv;
atm_force_charge(priv->lecd, skb2->truesize);
sk = sk_atm(priv->lecd); sk = sk_atm(priv->lecd);
skb_queue_tail(&sk->sk_receive_queue, skb2); skb_queue_tail(&sk->sk_receive_queue, skb2);
sk->sk_data_ready(sk, skb2->len); sk->sk_data_ready(sk, skb2->len);
} }
return; return;
} }
#endif /* defined(CONFIG_BRIDGE) || defined(CONFIG_BRIDGE_MODULE) */ #endif /* defined(CONFIG_BRIDGE) || defined(CONFIG_BRIDGE_MODULE) */
...@@ -162,36 +169,35 @@ static void lec_handle_bridge(struct sk_buff *skb, struct net_device *dev) ...@@ -162,36 +169,35 @@ static void lec_handle_bridge(struct sk_buff *skb, struct net_device *dev)
#ifdef CONFIG_TR #ifdef CONFIG_TR
static unsigned char *get_tr_dst(unsigned char *packet, unsigned char *rdesc) static unsigned char *get_tr_dst(unsigned char *packet, unsigned char *rdesc)
{ {
struct trh_hdr *trh; struct trh_hdr *trh;
int riflen, num_rdsc; int riflen, num_rdsc;
trh = (struct trh_hdr *)packet; trh = (struct trh_hdr *)packet;
if (trh->daddr[0] & (uint8_t)0x80) if (trh->daddr[0] & (uint8_t) 0x80)
return bus_mac; /* multicast */ return bus_mac; /* multicast */
if (trh->saddr[0] & TR_RII) { if (trh->saddr[0] & TR_RII) {
riflen = (ntohs(trh->rcf) & TR_RCF_LEN_MASK) >> 8; riflen = (ntohs(trh->rcf) & TR_RCF_LEN_MASK) >> 8;
if ((ntohs(trh->rcf) >> 13) != 0) if ((ntohs(trh->rcf) >> 13) != 0)
return bus_mac; /* ARE or STE */ return bus_mac; /* ARE or STE */
} } else
else return trh->daddr; /* not source routed */
return trh->daddr; /* not source routed */
if (riflen < 6)
if (riflen < 6) return trh->daddr; /* last hop, source routed */
return trh->daddr; /* last hop, source routed */
/* riflen is 6 or more, packet has more than one route descriptor */
/* riflen is 6 or more, packet has more than one route descriptor */ num_rdsc = (riflen / 2) - 1;
num_rdsc = (riflen/2) - 1; memset(rdesc, 0, ETH_ALEN);
memset(rdesc, 0, ETH_ALEN); /* offset 4 comes from LAN destination field in LE control frames */
/* offset 4 comes from LAN destination field in LE control frames */ if (trh->rcf & htons((uint16_t) TR_RCF_DIR_BIT))
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(uint16_t)); else {
else { memcpy(&rdesc[4], &trh->rseg[1], sizeof(uint16_t));
memcpy(&rdesc[4], &trh->rseg[1], sizeof(uint16_t)); rdesc[5] = ((ntohs(trh->rseg[0]) & 0x000f) | (rdesc[5] & 0xf0));
rdesc[5] = ((ntohs(trh->rseg[0]) & 0x000f) | (rdesc[5] & 0xf0)); }
}
return NULL; return NULL;
} }
#endif /* CONFIG_TR */ #endif /* CONFIG_TR */
...@@ -204,15 +210,14 @@ static unsigned char *get_tr_dst(unsigned char *packet, unsigned char *rdesc) ...@@ -204,15 +210,14 @@ static unsigned char *get_tr_dst(unsigned char *packet, unsigned char *rdesc)
* there is non-reboot way to recover if something goes wrong. * there is non-reboot way to recover if something goes wrong.
*/ */
static int static int lec_open(struct net_device *dev)
lec_open(struct net_device *dev)
{ {
struct lec_priv *priv = (struct lec_priv *)dev->priv; struct lec_priv *priv = (struct lec_priv *)dev->priv;
netif_start_queue(dev); netif_start_queue(dev);
memset(&priv->stats,0,sizeof(struct net_device_stats)); memset(&priv->stats, 0, sizeof(struct net_device_stats));
return 0; return 0;
} }
static __inline__ void static __inline__ void
...@@ -231,160 +236,166 @@ lec_send(struct atm_vcc *vcc, struct sk_buff *skb, struct lec_priv *priv) ...@@ -231,160 +236,166 @@ lec_send(struct atm_vcc *vcc, struct sk_buff *skb, struct lec_priv *priv)
priv->stats.tx_bytes += skb->len; priv->stats.tx_bytes += skb->len;
} }
static void static void lec_tx_timeout(struct net_device *dev)
lec_tx_timeout(struct net_device *dev)
{ {
printk(KERN_INFO "%s: tx timeout\n", dev->name); printk(KERN_INFO "%s: tx timeout\n", dev->name);
dev->trans_start = jiffies; dev->trans_start = jiffies;
netif_wake_queue(dev); netif_wake_queue(dev);
} }
static int static int lec_start_xmit(struct sk_buff *skb, struct net_device *dev)
lec_start_xmit(struct sk_buff *skb, struct net_device *dev)
{ {
struct sk_buff *skb2; struct sk_buff *skb2;
struct lec_priv *priv = (struct lec_priv *)dev->priv; struct lec_priv *priv = (struct lec_priv *)dev->priv;
struct lecdatahdr_8023 *lec_h; struct lecdatahdr_8023 *lec_h;
struct atm_vcc *vcc; struct atm_vcc *vcc;
struct lec_arp_table *entry; struct lec_arp_table *entry;
unsigned char *dst; unsigned char *dst;
int min_frame_size; int min_frame_size;
#ifdef CONFIG_TR #ifdef CONFIG_TR
unsigned char rdesc[ETH_ALEN]; /* Token Ring route descriptor */ unsigned char rdesc[ETH_ALEN]; /* Token Ring route descriptor */
#endif #endif
int is_rdesc; int is_rdesc;
#if DUMP_PACKETS > 0 #if DUMP_PACKETS > 0
char buf[300]; char buf[300];
int i=0; int i = 0;
#endif /* DUMP_PACKETS >0 */ #endif /* DUMP_PACKETS >0 */
DPRINTK("lec_start_xmit called\n"); DPRINTK("lec_start_xmit called\n");
if (!priv->lecd) { if (!priv->lecd) {
printk("%s:No lecd attached\n",dev->name); printk("%s:No lecd attached\n", dev->name);
priv->stats.tx_errors++; priv->stats.tx_errors++;
netif_stop_queue(dev); netif_stop_queue(dev);
return -EUNATCH; return -EUNATCH;
} }
DPRINTK("skbuff head:%lx data:%lx tail:%lx end:%lx\n", DPRINTK("skbuff head:%lx data:%lx tail:%lx end:%lx\n",
(long)skb->head, (long)skb->data, (long)skb->tail, (long)skb->head, (long)skb->data, (long)skb->tail,
(long)skb->end); (long)skb->end);
#if defined(CONFIG_BRIDGE) || defined(CONFIG_BRIDGE_MODULE) #if defined(CONFIG_BRIDGE) || defined(CONFIG_BRIDGE_MODULE)
if (memcmp(skb->data, bridge_ula_lec, sizeof(bridge_ula_lec)) == 0) if (memcmp(skb->data, bridge_ula_lec, sizeof(bridge_ula_lec)) == 0)
lec_handle_bridge(skb, dev); lec_handle_bridge(skb, dev);
#endif #endif
/* Make sure we have room for lec_id */ /* Make sure we have room for lec_id */
if (skb_headroom(skb) < 2) { if (skb_headroom(skb) < 2) {
DPRINTK("lec_start_xmit: reallocating skb\n"); DPRINTK("lec_start_xmit: reallocating skb\n");
skb2 = skb_realloc_headroom(skb, LEC_HEADER_LEN); skb2 = skb_realloc_headroom(skb, LEC_HEADER_LEN);
kfree_skb(skb); kfree_skb(skb);
if (skb2 == NULL) return 0; if (skb2 == NULL)
skb = skb2; return 0;
} skb = skb2;
skb_push(skb, 2); }
skb_push(skb, 2);
/* Put le header to place, works for TokenRing too */ /* Put le header to place, works for TokenRing too */
lec_h = (struct lecdatahdr_8023*)skb->data; lec_h = (struct lecdatahdr_8023 *)skb->data;
lec_h->le_header = htons(priv->lecid); lec_h->le_header = htons(priv->lecid);
#ifdef CONFIG_TR #ifdef CONFIG_TR
/* Ugly. Use this to realign Token Ring packets for /*
* e.g. PCA-200E driver. */ * Ugly. Use this to realign Token Ring packets for
if (priv->is_trdev) { * e.g. PCA-200E driver.
skb2 = skb_realloc_headroom(skb, LEC_HEADER_LEN); */
kfree_skb(skb); if (priv->is_trdev) {
if (skb2 == NULL) return 0; skb2 = skb_realloc_headroom(skb, LEC_HEADER_LEN);
skb = skb2; kfree_skb(skb);
} if (skb2 == NULL)
return 0;
skb = skb2;
}
#endif #endif
#if DUMP_PACKETS > 0 #if DUMP_PACKETS > 0
printk("%s: send datalen:%ld lecid:%4.4x\n", dev->name, printk("%s: send datalen:%ld lecid:%4.4x\n", dev->name,
skb->len, priv->lecid); skb->len, priv->lecid);
#if DUMP_PACKETS >= 2 #if DUMP_PACKETS >= 2
for(i=0;i<skb->len && i <99;i++) { for (i = 0; i < skb->len && i < 99; i++) {
sprintf(buf+i*3,"%2.2x ",0xff&skb->data[i]); sprintf(buf + i * 3, "%2.2x ", 0xff & skb->data[i]);
} }
#elif DUMP_PACKETS >= 1 #elif DUMP_PACKETS >= 1
for(i=0;i<skb->len && i < 30;i++) { for (i = 0; i < skb->len && i < 30; i++) {
sprintf(buf+i*3,"%2.2x ", 0xff&skb->data[i]); sprintf(buf + i * 3, "%2.2x ", 0xff & skb->data[i]);
} }
#endif /* DUMP_PACKETS >= 1 */ #endif /* DUMP_PACKETS >= 1 */
if (i==skb->len) if (i == skb->len)
printk("%s\n",buf); printk("%s\n", buf);
else else
printk("%s...\n",buf); printk("%s...\n", buf);
#endif /* DUMP_PACKETS > 0 */ #endif /* DUMP_PACKETS > 0 */
/* Minimum ethernet-frame size */ /* Minimum ethernet-frame size */
#ifdef CONFIG_TR #ifdef CONFIG_TR
if (priv->is_trdev) if (priv->is_trdev)
min_frame_size = LEC_MINIMUM_8025_SIZE; min_frame_size = LEC_MINIMUM_8025_SIZE;
else else
#endif #endif
min_frame_size = LEC_MINIMUM_8023_SIZE; min_frame_size = LEC_MINIMUM_8023_SIZE;
if (skb->len < min_frame_size) { if (skb->len < min_frame_size) {
if ((skb->len + skb_tailroom(skb)) < min_frame_size) { if ((skb->len + skb_tailroom(skb)) < min_frame_size) {
skb2 = skb_copy_expand(skb, 0, skb2 = skb_copy_expand(skb, 0,
min_frame_size - skb->truesize, GFP_ATOMIC); min_frame_size - skb->truesize,
dev_kfree_skb(skb); GFP_ATOMIC);
if (skb2 == NULL) { dev_kfree_skb(skb);
priv->stats.tx_dropped++; if (skb2 == NULL) {
return 0; priv->stats.tx_dropped++;
} return 0;
skb = skb2; }
} skb = skb2;
}
skb_put(skb, min_frame_size - skb->len); skb_put(skb, min_frame_size - skb->len);
} }
/* Send to right vcc */ /* Send to right vcc */
is_rdesc = 0; is_rdesc = 0;
dst = lec_h->h_dest; dst = lec_h->h_dest;
#ifdef CONFIG_TR #ifdef CONFIG_TR
if (priv->is_trdev) { if (priv->is_trdev) {
dst = get_tr_dst(skb->data+2, rdesc); dst = get_tr_dst(skb->data + 2, rdesc);
if (dst == NULL) { if (dst == NULL) {
dst = rdesc; dst = rdesc;
is_rdesc = 1; is_rdesc = 1;
} }
} }
#endif #endif
entry = NULL; entry = NULL;
vcc = lec_arp_resolve(priv, dst, is_rdesc, &entry); vcc = lec_arp_resolve(priv, dst, is_rdesc, &entry);
DPRINTK("%s:vcc:%p vcc_flags:%x, entry:%p\n", dev->name, DPRINTK("%s:vcc:%p vcc_flags:%x, entry:%p\n", dev->name,
vcc, vcc?vcc->flags:0, entry); vcc, vcc ? vcc->flags : 0, entry);
if (!vcc || !test_bit(ATM_VF_READY,&vcc->flags)) { if (!vcc || !test_bit(ATM_VF_READY, &vcc->flags)) {
if (entry && (entry->tx_wait.qlen < LEC_UNRES_QUE_LEN)) { if (entry && (entry->tx_wait.qlen < LEC_UNRES_QUE_LEN)) {
DPRINTK("%s:lec_start_xmit: queuing packet, ", dev->name); DPRINTK("%s:lec_start_xmit: queuing packet, ",
DPRINTK("MAC address 0x%02x:%02x:%02x:%02x:%02x:%02x\n", dev->name);
lec_h->h_dest[0], lec_h->h_dest[1], lec_h->h_dest[2], DPRINTK("MAC address 0x%02x:%02x:%02x:%02x:%02x:%02x\n",
lec_h->h_dest[3], lec_h->h_dest[4], lec_h->h_dest[5]); lec_h->h_dest[0], lec_h->h_dest[1],
skb_queue_tail(&entry->tx_wait, skb); lec_h->h_dest[2], lec_h->h_dest[3],
} else { lec_h->h_dest[4], lec_h->h_dest[5]);
DPRINTK("%s:lec_start_xmit: tx queue full or no arp entry, dropping, ", dev->name); skb_queue_tail(&entry->tx_wait, skb);
DPRINTK("MAC address 0x%02x:%02x:%02x:%02x:%02x:%02x\n", } else {
lec_h->h_dest[0], lec_h->h_dest[1], lec_h->h_dest[2], DPRINTK
lec_h->h_dest[3], lec_h->h_dest[4], lec_h->h_dest[5]); ("%s:lec_start_xmit: tx queue full or no arp entry, dropping, ",
priv->stats.tx_dropped++; dev->name);
dev_kfree_skb(skb); DPRINTK("MAC address 0x%02x:%02x:%02x:%02x:%02x:%02x\n",
} lec_h->h_dest[0], lec_h->h_dest[1],
return 0; lec_h->h_dest[2], lec_h->h_dest[3],
} lec_h->h_dest[4], lec_h->h_dest[5]);
priv->stats.tx_dropped++;
#if DUMP_PACKETS > 0 dev_kfree_skb(skb);
printk("%s:sending to vpi:%d vci:%d\n", dev->name, }
vcc->vpi, vcc->vci); return 0;
}
#if DUMP_PACKETS > 0
printk("%s:sending to vpi:%d vci:%d\n", dev->name, vcc->vpi, vcc->vci);
#endif /* DUMP_PACKETS > 0 */ #endif /* DUMP_PACKETS > 0 */
while (entry && (skb2 = skb_dequeue(&entry->tx_wait))) { while (entry && (skb2 = skb_dequeue(&entry->tx_wait))) {
DPRINTK("lec.c: emptying tx queue, "); DPRINTK("lec.c: emptying tx queue, ");
DPRINTK("MAC address 0x%02x:%02x:%02x:%02x:%02x:%02x\n", DPRINTK("MAC address 0x%02x:%02x:%02x:%02x:%02x:%02x\n",
lec_h->h_dest[0], lec_h->h_dest[1], lec_h->h_dest[2], lec_h->h_dest[0], lec_h->h_dest[1], lec_h->h_dest[2],
lec_h->h_dest[3], lec_h->h_dest[4], lec_h->h_dest[5]); lec_h->h_dest[3], lec_h->h_dest[4], lec_h->h_dest[5]);
lec_send(vcc, skb2, priv); lec_send(vcc, skb2, priv);
} }
lec_send(vcc, skb, priv); lec_send(vcc, skb, priv);
...@@ -405,209 +416,215 @@ lec_start_xmit(struct sk_buff *skb, struct net_device *dev) ...@@ -405,209 +416,215 @@ lec_start_xmit(struct sk_buff *skb, struct net_device *dev)
} }
dev->trans_start = jiffies; dev->trans_start = jiffies;
return 0; return 0;
} }
/* The inverse routine to net_open(). */ /* The inverse routine to net_open(). */
static int static int lec_close(struct net_device *dev)
lec_close(struct net_device *dev)
{ {
netif_stop_queue(dev); netif_stop_queue(dev);
return 0; return 0;
} }
/* /*
* Get the current statistics. * Get the current statistics.
* This may be called with the card open or closed. * This may be called with the card open or closed.
*/ */
static struct net_device_stats * static struct net_device_stats *lec_get_stats(struct net_device *dev)
lec_get_stats(struct net_device *dev)
{ {
return &((struct lec_priv *)dev->priv)->stats; return &((struct lec_priv *)dev->priv)->stats;
} }
static int static int lec_atm_send(struct atm_vcc *vcc, struct sk_buff *skb)
lec_atm_send(struct atm_vcc *vcc, struct sk_buff *skb)
{ {
unsigned long flags; unsigned long flags;
struct net_device *dev = (struct net_device*)vcc->proto_data; struct net_device *dev = (struct net_device *)vcc->proto_data;
struct lec_priv *priv = (struct lec_priv*)dev->priv; struct lec_priv *priv = (struct lec_priv *)dev->priv;
struct atmlec_msg *mesg; struct atmlec_msg *mesg;
struct lec_arp_table *entry; struct lec_arp_table *entry;
int i; int i;
char *tmp; /* FIXME */ char *tmp; /* FIXME */
atomic_sub(skb->truesize, &sk_atm(vcc)->sk_wmem_alloc); atomic_sub(skb->truesize, &sk_atm(vcc)->sk_wmem_alloc);
mesg = (struct atmlec_msg *)skb->data; mesg = (struct atmlec_msg *)skb->data;
tmp = skb->data; tmp = skb->data;
tmp += sizeof(struct atmlec_msg); tmp += sizeof(struct atmlec_msg);
DPRINTK("%s: msg from zeppelin:%d\n", dev->name, mesg->type); DPRINTK("%s: msg from zeppelin:%d\n", dev->name, mesg->type);
switch(mesg->type) { switch (mesg->type) {
case l_set_mac_addr: case l_set_mac_addr:
for (i=0;i<6;i++) { for (i = 0; i < 6; i++) {
dev->dev_addr[i] = mesg->content.normal.mac_addr[i]; dev->dev_addr[i] = mesg->content.normal.mac_addr[i];
} }
break; break;
case l_del_mac_addr: case l_del_mac_addr:
for(i=0;i<6;i++) { for (i = 0; i < 6; i++) {
dev->dev_addr[i] = 0; dev->dev_addr[i] = 0;
} }
break; break;
case l_addr_delete: case l_addr_delete:
lec_addr_delete(priv, mesg->content.normal.atm_addr, lec_addr_delete(priv, mesg->content.normal.atm_addr,
mesg->content.normal.flag); mesg->content.normal.flag);
break; break;
case l_topology_change: case l_topology_change:
priv->topology_change = mesg->content.normal.flag; priv->topology_change = mesg->content.normal.flag;
break; break;
case l_flush_complete: case l_flush_complete:
lec_flush_complete(priv, mesg->content.normal.flag); lec_flush_complete(priv, mesg->content.normal.flag);
break; break;
case l_narp_req: /* LANE2: see 7.1.35 in the lane2 spec */ case l_narp_req: /* LANE2: see 7.1.35 in the lane2 spec */
spin_lock_irqsave(&priv->lec_arp_lock, flags); spin_lock_irqsave(&priv->lec_arp_lock, flags);
entry = lec_arp_find(priv, mesg->content.normal.mac_addr); entry = lec_arp_find(priv, mesg->content.normal.mac_addr);
lec_arp_remove(priv, entry); lec_arp_remove(priv, entry);
spin_unlock_irqrestore(&priv->lec_arp_lock, flags); spin_unlock_irqrestore(&priv->lec_arp_lock, flags);
if (mesg->content.normal.no_source_le_narp) if (mesg->content.normal.no_source_le_narp)
break; break;
/* FALL THROUGH */ /* FALL THROUGH */
case l_arp_update: case l_arp_update:
lec_arp_update(priv, mesg->content.normal.mac_addr, lec_arp_update(priv, mesg->content.normal.mac_addr,
mesg->content.normal.atm_addr, mesg->content.normal.atm_addr,
mesg->content.normal.flag, mesg->content.normal.flag,
mesg->content.normal.targetless_le_arp); mesg->content.normal.targetless_le_arp);
DPRINTK("lec: in l_arp_update\n"); DPRINTK("lec: in l_arp_update\n");
if (mesg->sizeoftlvs != 0) { /* LANE2 3.1.5 */ if (mesg->sizeoftlvs != 0) { /* LANE2 3.1.5 */
DPRINTK("lec: LANE2 3.1.5, got tlvs, size %d\n", mesg->sizeoftlvs); DPRINTK("lec: LANE2 3.1.5, got tlvs, size %d\n",
lane2_associate_ind(dev, mesg->sizeoftlvs);
mesg->content.normal.mac_addr, lane2_associate_ind(dev, mesg->content.normal.mac_addr,
tmp, mesg->sizeoftlvs); tmp, mesg->sizeoftlvs);
} }
break; break;
case l_config: case l_config:
priv->maximum_unknown_frame_count = priv->maximum_unknown_frame_count =
mesg->content.config.maximum_unknown_frame_count; mesg->content.config.maximum_unknown_frame_count;
priv->max_unknown_frame_time = priv->max_unknown_frame_time =
(mesg->content.config.max_unknown_frame_time*HZ); (mesg->content.config.max_unknown_frame_time * HZ);
priv->max_retry_count = priv->max_retry_count = mesg->content.config.max_retry_count;
mesg->content.config.max_retry_count; priv->aging_time = (mesg->content.config.aging_time * HZ);
priv->aging_time = (mesg->content.config.aging_time*HZ); priv->forward_delay_time =
priv->forward_delay_time = (mesg->content.config.forward_delay_time * HZ);
(mesg->content.config.forward_delay_time*HZ); priv->arp_response_time =
priv->arp_response_time = (mesg->content.config.arp_response_time * HZ);
(mesg->content.config.arp_response_time*HZ); priv->flush_timeout = (mesg->content.config.flush_timeout * HZ);
priv->flush_timeout = (mesg->content.config.flush_timeout*HZ); priv->path_switching_delay =
priv->path_switching_delay = (mesg->content.config.path_switching_delay * HZ);
(mesg->content.config.path_switching_delay*HZ); priv->lane_version = mesg->content.config.lane_version; /* LANE2 */
priv->lane_version = mesg->content.config.lane_version; /* LANE2 */
priv->lane2_ops = NULL; priv->lane2_ops = NULL;
if (priv->lane_version > 1) if (priv->lane_version > 1)
priv->lane2_ops = &lane2_ops; priv->lane2_ops = &lane2_ops;
if (dev->change_mtu(dev, mesg->content.config.mtu)) if (dev->change_mtu(dev, mesg->content.config.mtu))
printk("%s: change_mtu to %d failed\n", dev->name, printk("%s: change_mtu to %d failed\n", dev->name,
mesg->content.config.mtu); mesg->content.config.mtu);
priv->is_proxy = mesg->content.config.is_proxy; priv->is_proxy = mesg->content.config.is_proxy;
break; break;
case l_flush_tran_id: case l_flush_tran_id:
lec_set_flush_tran_id(priv, mesg->content.normal.atm_addr, lec_set_flush_tran_id(priv, mesg->content.normal.atm_addr,
mesg->content.normal.flag); mesg->content.normal.flag);
break; break;
case l_set_lecid: case l_set_lecid:
priv->lecid=(unsigned short)(0xffff&mesg->content.normal.flag); priv->lecid =
break; (unsigned short)(0xffff & mesg->content.normal.flag);
case l_should_bridge: { break;
case l_should_bridge:
#if defined(CONFIG_BRIDGE) || defined(CONFIG_BRIDGE_MODULE) #if defined(CONFIG_BRIDGE) || defined(CONFIG_BRIDGE_MODULE)
struct net_bridge_fdb_entry *f; {
struct net_bridge_fdb_entry *f;
DPRINTK("%s: bridge zeppelin asks about 0x%02x:%02x:%02x:%02x:%02x:%02x\n",
dev->name, DPRINTK
mesg->content.proxy.mac_addr[0], mesg->content.proxy.mac_addr[1], ("%s: bridge zeppelin asks about 0x%02x:%02x:%02x:%02x:%02x:%02x\n",
mesg->content.proxy.mac_addr[2], mesg->content.proxy.mac_addr[3], dev->name, mesg->content.proxy.mac_addr[0],
mesg->content.proxy.mac_addr[4], mesg->content.proxy.mac_addr[5]); mesg->content.proxy.mac_addr[1],
mesg->content.proxy.mac_addr[2],
if (br_fdb_get_hook == NULL || dev->br_port == NULL) mesg->content.proxy.mac_addr[3],
break; mesg->content.proxy.mac_addr[4],
mesg->content.proxy.mac_addr[5]);
f = br_fdb_get_hook(dev->br_port->br, mesg->content.proxy.mac_addr);
if (f != NULL && if (br_fdb_get_hook == NULL || dev->br_port == NULL)
f->dst->dev != dev && break;
f->dst->state == BR_STATE_FORWARDING) {
/* hit from bridge table, send LE_ARP_RESPONSE */ f = br_fdb_get_hook(dev->br_port->br,
struct sk_buff *skb2; mesg->content.proxy.mac_addr);
struct sock *sk; if (f != NULL && f->dst->dev != dev
&& f->dst->state == BR_STATE_FORWARDING) {
DPRINTK("%s: entry found, responding to zeppelin\n", dev->name); /* hit from bridge table, send LE_ARP_RESPONSE */
skb2 = alloc_skb(sizeof(struct atmlec_msg), GFP_ATOMIC); struct sk_buff *skb2;
if (skb2 == NULL) { struct sock *sk;
br_fdb_put_hook(f);
break; DPRINTK
} ("%s: entry found, responding to zeppelin\n",
skb2->len = sizeof(struct atmlec_msg); dev->name);
memcpy(skb2->data, mesg, sizeof(struct atmlec_msg)); skb2 =
atm_force_charge(priv->lecd, skb2->truesize); alloc_skb(sizeof(struct atmlec_msg),
sk = sk_atm(priv->lecd); GFP_ATOMIC);
skb_queue_tail(&sk->sk_receive_queue, skb2); if (skb2 == NULL) {
sk->sk_data_ready(sk, skb2->len); br_fdb_put_hook(f);
} break;
if (f != NULL) br_fdb_put_hook(f); }
skb2->len = sizeof(struct atmlec_msg);
memcpy(skb2->data, mesg,
sizeof(struct atmlec_msg));
atm_force_charge(priv->lecd, skb2->truesize);
sk = sk_atm(priv->lecd);
skb_queue_tail(&sk->sk_receive_queue, skb2);
sk->sk_data_ready(sk, skb2->len);
}
if (f != NULL)
br_fdb_put_hook(f);
}
#endif /* defined(CONFIG_BRIDGE) || defined(CONFIG_BRIDGE_MODULE) */ #endif /* defined(CONFIG_BRIDGE) || defined(CONFIG_BRIDGE_MODULE) */
} break;
break; default:
default: printk("%s: Unknown message type %d\n", dev->name, mesg->type);
printk("%s: Unknown message type %d\n", dev->name, mesg->type); dev_kfree_skb(skb);
dev_kfree_skb(skb); return -EINVAL;
return -EINVAL; }
} dev_kfree_skb(skb);
dev_kfree_skb(skb); return 0;
return 0;
} }
static void static void lec_atm_close(struct atm_vcc *vcc)
lec_atm_close(struct atm_vcc *vcc)
{ {
struct sk_buff *skb; struct sk_buff *skb;
struct net_device *dev = (struct net_device *)vcc->proto_data; struct net_device *dev = (struct net_device *)vcc->proto_data;
struct lec_priv *priv = (struct lec_priv *)dev->priv; struct lec_priv *priv = (struct lec_priv *)dev->priv;
priv->lecd = NULL; priv->lecd = NULL;
/* Do something needful? */ /* Do something needful? */
netif_stop_queue(dev); netif_stop_queue(dev);
lec_arp_destroy(priv); lec_arp_destroy(priv);
if (skb_peek(&sk_atm(vcc)->sk_receive_queue)) if (skb_peek(&sk_atm(vcc)->sk_receive_queue))
printk("%s lec_atm_close: closing with messages pending\n", printk("%s lec_atm_close: closing with messages pending\n",
dev->name); dev->name);
while ((skb = skb_dequeue(&sk_atm(vcc)->sk_receive_queue)) != NULL) { while ((skb = skb_dequeue(&sk_atm(vcc)->sk_receive_queue)) != NULL) {
atm_return(vcc, skb->truesize); atm_return(vcc, skb->truesize);
dev_kfree_skb(skb); dev_kfree_skb(skb);
} }
printk("%s: Shut down!\n", dev->name); printk("%s: Shut down!\n", dev->name);
module_put(THIS_MODULE); module_put(THIS_MODULE);
} }
static struct atmdev_ops lecdev_ops = { static struct atmdev_ops lecdev_ops = {
.close = lec_atm_close, .close = lec_atm_close,
.send = lec_atm_send .send = lec_atm_send
}; };
static struct atm_dev lecatm_dev = { static struct atm_dev lecatm_dev = {
.ops = &lecdev_ops, .ops = &lecdev_ops,
.type = "lec", .type = "lec",
.number = 999, /* dummy device number */ .number = 999, /* dummy device number */
.lock = SPIN_LOCK_UNLOCKED .lock = SPIN_LOCK_UNLOCKED
}; };
/* /*
* LANE2: new argument struct sk_buff *data contains * LANE2: new argument struct sk_buff *data contains
* the LE_ARP based TLVs introduced in the LANE2 spec * the LE_ARP based TLVs introduced in the LANE2 spec
*/ */
static int static int
send_to_lecd(struct lec_priv *priv, atmlec_msg_type type, send_to_lecd(struct lec_priv *priv, atmlec_msg_type type,
unsigned char *mac_addr, unsigned char *atm_addr, unsigned char *mac_addr, unsigned char *atm_addr,
struct sk_buff *data) struct sk_buff *data)
{ {
struct sock *sk; struct sock *sk;
struct sk_buff *skb; struct sk_buff *skb;
...@@ -621,154 +638,160 @@ send_to_lecd(struct lec_priv *priv, atmlec_msg_type type, ...@@ -621,154 +638,160 @@ send_to_lecd(struct lec_priv *priv, atmlec_msg_type type,
return -1; return -1;
skb->len = sizeof(struct atmlec_msg); skb->len = sizeof(struct atmlec_msg);
mesg = (struct atmlec_msg *)skb->data; mesg = (struct atmlec_msg *)skb->data;
memset(mesg, 0, sizeof(struct atmlec_msg)); memset(mesg, 0, sizeof(struct atmlec_msg));
mesg->type = type; mesg->type = type;
if (data != NULL) if (data != NULL)
mesg->sizeoftlvs = data->len; mesg->sizeoftlvs = data->len;
if (mac_addr) if (mac_addr)
memcpy(&mesg->content.normal.mac_addr, mac_addr, ETH_ALEN); memcpy(&mesg->content.normal.mac_addr, mac_addr, ETH_ALEN);
else else
mesg->content.normal.targetless_le_arp = 1; mesg->content.normal.targetless_le_arp = 1;
if (atm_addr) if (atm_addr)
memcpy(&mesg->content.normal.atm_addr, atm_addr, ATM_ESA_LEN); memcpy(&mesg->content.normal.atm_addr, atm_addr, ATM_ESA_LEN);
atm_force_charge(priv->lecd, skb->truesize); atm_force_charge(priv->lecd, skb->truesize);
sk = sk_atm(priv->lecd); sk = sk_atm(priv->lecd);
skb_queue_tail(&sk->sk_receive_queue, skb); skb_queue_tail(&sk->sk_receive_queue, skb);
sk->sk_data_ready(sk, skb->len); sk->sk_data_ready(sk, skb->len);
if (data != NULL) { if (data != NULL) {
DPRINTK("lec: about to send %d bytes of data\n", data->len); DPRINTK("lec: about to send %d bytes of data\n", data->len);
atm_force_charge(priv->lecd, data->truesize); atm_force_charge(priv->lecd, data->truesize);
skb_queue_tail(&sk->sk_receive_queue, data); skb_queue_tail(&sk->sk_receive_queue, data);
sk->sk_data_ready(sk, skb->len); sk->sk_data_ready(sk, skb->len);
} }
return 0; return 0;
} }
/* shamelessly stolen from drivers/net/net_init.c */ /* shamelessly stolen from drivers/net/net_init.c */
static int lec_change_mtu(struct net_device *dev, int new_mtu) static int lec_change_mtu(struct net_device *dev, int new_mtu)
{ {
if ((new_mtu < 68) || (new_mtu > 18190)) if ((new_mtu < 68) || (new_mtu > 18190))
return -EINVAL; return -EINVAL;
dev->mtu = new_mtu; dev->mtu = new_mtu;
return 0; return 0;
} }
static void lec_set_multicast_list(struct net_device *dev) static void lec_set_multicast_list(struct net_device *dev)
{ {
/* by default, all multicast frames arrive over the bus. /*
* eventually support selective multicast service * by default, all multicast frames arrive over the bus.
*/ * eventually support selective multicast service
return; */
return;
} }
static void static void lec_init(struct net_device *dev)
lec_init(struct net_device *dev)
{ {
dev->change_mtu = lec_change_mtu; dev->change_mtu = lec_change_mtu;
dev->open = lec_open; dev->open = lec_open;
dev->stop = lec_close; dev->stop = lec_close;
dev->hard_start_xmit = lec_start_xmit; dev->hard_start_xmit = lec_start_xmit;
dev->tx_timeout = lec_tx_timeout; dev->tx_timeout = lec_tx_timeout;
dev->get_stats = lec_get_stats; dev->get_stats = lec_get_stats;
dev->set_multicast_list = lec_set_multicast_list; dev->set_multicast_list = lec_set_multicast_list;
dev->do_ioctl = NULL; dev->do_ioctl = NULL;
printk("%s: Initialized!\n",dev->name); printk("%s: Initialized!\n", dev->name);
return; return;
} }
static unsigned char lec_ctrl_magic[] = { static unsigned char lec_ctrl_magic[] = {
0xff, 0xff,
0x00, 0x00,
0x01, 0x01,
0x01 }; 0x01
};
#define LEC_DATA_DIRECT_8023 2 #define LEC_DATA_DIRECT_8023 2
#define LEC_DATA_DIRECT_8025 3 #define LEC_DATA_DIRECT_8025 3
static int lec_is_data_direct(struct atm_vcc *vcc) static int lec_is_data_direct(struct atm_vcc *vcc)
{ {
return ((vcc->sap.blli[0].l3.tr9577.snap[4] == LEC_DATA_DIRECT_8023) || return ((vcc->sap.blli[0].l3.tr9577.snap[4] == LEC_DATA_DIRECT_8023) ||
(vcc->sap.blli[0].l3.tr9577.snap[4] == LEC_DATA_DIRECT_8025)); (vcc->sap.blli[0].l3.tr9577.snap[4] == LEC_DATA_DIRECT_8025));
} }
static void static void lec_push(struct atm_vcc *vcc, struct sk_buff *skb)
lec_push(struct atm_vcc *vcc, struct sk_buff *skb)
{ {
unsigned long flags; unsigned long flags;
struct net_device *dev = (struct net_device *)vcc->proto_data; struct net_device *dev = (struct net_device *)vcc->proto_data;
struct lec_priv *priv = (struct lec_priv *)dev->priv; struct lec_priv *priv = (struct lec_priv *)dev->priv;
#if DUMP_PACKETS >0 #if DUMP_PACKETS >0
int i=0; int i = 0;
char buf[300]; char buf[300];
printk("%s: lec_push vcc vpi:%d vci:%d\n", dev->name, printk("%s: lec_push vcc vpi:%d vci:%d\n", dev->name,
vcc->vpi, vcc->vci); vcc->vpi, vcc->vci);
#endif #endif
if (!skb) { if (!skb) {
DPRINTK("%s: null skb\n",dev->name); DPRINTK("%s: null skb\n", dev->name);
lec_vcc_close(priv, vcc); lec_vcc_close(priv, vcc);
return; return;
} }
#if DUMP_PACKETS > 0 #if DUMP_PACKETS > 0
printk("%s: rcv datalen:%ld lecid:%4.4x\n", dev->name, printk("%s: rcv datalen:%ld lecid:%4.4x\n", dev->name,
skb->len, priv->lecid); skb->len, priv->lecid);
#if DUMP_PACKETS >= 2 #if DUMP_PACKETS >= 2
for(i=0;i<skb->len && i <99;i++) { for (i = 0; i < skb->len && i < 99; i++) {
sprintf(buf+i*3,"%2.2x ",0xff&skb->data[i]); sprintf(buf + i * 3, "%2.2x ", 0xff & skb->data[i]);
} }
#elif DUMP_PACKETS >= 1 #elif DUMP_PACKETS >= 1
for(i=0;i<skb->len && i < 30;i++) { for (i = 0; i < skb->len && i < 30; i++) {
sprintf(buf+i*3,"%2.2x ", 0xff&skb->data[i]); sprintf(buf + i * 3, "%2.2x ", 0xff & skb->data[i]);
} }
#endif /* DUMP_PACKETS >= 1 */ #endif /* DUMP_PACKETS >= 1 */
if (i==skb->len) if (i == skb->len)
printk("%s\n",buf); printk("%s\n", buf);
else else
printk("%s...\n",buf); printk("%s...\n", buf);
#endif /* DUMP_PACKETS > 0 */ #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); struct sock *sk = sk_atm(vcc);
DPRINTK("%s: To daemon\n",dev->name); DPRINTK("%s: To daemon\n", dev->name);
skb_queue_tail(&sk->sk_receive_queue, skb); skb_queue_tail(&sk->sk_receive_queue, skb);
sk->sk_data_ready(sk, skb->len); sk->sk_data_ready(sk, skb->len);
} else { /* Data frame, queue to protocol handlers */ } else { /* Data frame, queue to protocol handlers */
struct lec_arp_table *entry; struct lec_arp_table *entry;
unsigned char *src, *dst; unsigned char *src, *dst;
atm_return(vcc,skb->truesize); atm_return(vcc, skb->truesize);
if (*(uint16_t *)skb->data == htons(priv->lecid) || if (*(uint16_t *) skb->data == htons(priv->lecid) ||
!priv->lecd || !priv->lecd || !(dev->flags & IFF_UP)) {
!(dev->flags & IFF_UP)) { /*
/* Probably looping back, or if lecd is missing, * Probably looping back, or if lecd is missing,
lecd has gone down */ * lecd has gone down
DPRINTK("Ignoring frame...\n"); */
dev_kfree_skb(skb); DPRINTK("Ignoring frame...\n");
return; dev_kfree_skb(skb);
} return;
}
#ifdef CONFIG_TR #ifdef CONFIG_TR
if (priv->is_trdev) if (priv->is_trdev)
dst = ((struct lecdatahdr_8025 *) skb->data)->h_dest; dst = ((struct lecdatahdr_8025 *)skb->data)->h_dest;
else else
#endif #endif
dst = ((struct lecdatahdr_8023 *) skb->data)->h_dest; dst = ((struct lecdatahdr_8023 *)skb->data)->h_dest;
/* If this is a Data Direct VCC, and the VCC does not match /*
* If this is a Data Direct VCC, and the VCC does not match
* the LE_ARP cache entry, delete the LE_ARP cache entry. * the LE_ARP cache entry, delete the LE_ARP cache entry.
*/ */
spin_lock_irqsave(&priv->lec_arp_lock, flags); spin_lock_irqsave(&priv->lec_arp_lock, flags);
if (lec_is_data_direct(vcc)) { if (lec_is_data_direct(vcc)) {
#ifdef CONFIG_TR #ifdef CONFIG_TR
if (priv->is_trdev) if (priv->is_trdev)
src = ((struct lecdatahdr_8025 *) skb->data)->h_source; src =
((struct lecdatahdr_8025 *)skb->data)->
h_source;
else else
#endif #endif
src = ((struct lecdatahdr_8023 *) skb->data)->h_source; src =
((struct lecdatahdr_8023 *)skb->data)->
h_source;
entry = lec_arp_find(priv, src); entry = lec_arp_find(priv, src);
if (entry && entry->vcc != vcc) { if (entry && entry->vcc != vcc) {
lec_arp_remove(priv, entry); lec_arp_remove(priv, entry);
...@@ -777,31 +800,31 @@ lec_push(struct atm_vcc *vcc, struct sk_buff *skb) ...@@ -777,31 +800,31 @@ lec_push(struct atm_vcc *vcc, struct sk_buff *skb)
} }
spin_unlock_irqrestore(&priv->lec_arp_lock, flags); spin_unlock_irqrestore(&priv->lec_arp_lock, flags);
if (!(dst[0]&0x01) && /* Never filter Multi/Broadcast */ if (!(dst[0] & 0x01) && /* Never filter Multi/Broadcast */
!priv->is_proxy && /* Proxy wants all the packets */ !priv->is_proxy && /* Proxy wants all the packets */
memcmp(dst, dev->dev_addr, dev->addr_len)) { memcmp(dst, dev->dev_addr, dev->addr_len)) {
dev_kfree_skb(skb); dev_kfree_skb(skb);
return; return;
} }
if (priv->lec_arp_empty_ones) { if (priv->lec_arp_empty_ones) {
lec_arp_check_empties(priv, vcc, skb); lec_arp_check_empties(priv, vcc, skb);
} }
skb->dev = dev; skb->dev = dev;
skb_pull(skb, 2); /* skip lec_id */ skb_pull(skb, 2); /* skip lec_id */
#ifdef CONFIG_TR #ifdef CONFIG_TR
if (priv->is_trdev) skb->protocol = tr_type_trans(skb, dev); if (priv->is_trdev)
else skb->protocol = tr_type_trans(skb, dev);
else
#endif #endif
skb->protocol = eth_type_trans(skb, dev); skb->protocol = eth_type_trans(skb, dev);
priv->stats.rx_packets++; priv->stats.rx_packets++;
priv->stats.rx_bytes += skb->len; priv->stats.rx_bytes += skb->len;
memset(ATM_SKB(skb), 0, sizeof(struct atm_skb_data)); memset(ATM_SKB(skb), 0, sizeof(struct atm_skb_data));
netif_rx(skb); netif_rx(skb);
} }
} }
static void static void lec_pop(struct atm_vcc *vcc, struct sk_buff *skb)
lec_pop(struct atm_vcc *vcc, struct sk_buff *skb)
{ {
struct lec_vcc_priv *vpriv = LEC_VCC_PRIV(vcc); struct lec_vcc_priv *vpriv = LEC_VCC_PRIV(vcc);
struct net_device *dev = skb->dev; struct net_device *dev = skb->dev;
...@@ -820,123 +843,121 @@ lec_pop(struct atm_vcc *vcc, struct sk_buff *skb) ...@@ -820,123 +843,121 @@ lec_pop(struct atm_vcc *vcc, struct sk_buff *skb)
} }
} }
static int static int lec_vcc_attach(struct atm_vcc *vcc, void __user *arg)
lec_vcc_attach(struct atm_vcc *vcc, void __user *arg)
{ {
struct lec_vcc_priv *vpriv; struct lec_vcc_priv *vpriv;
int bytes_left; int bytes_left;
struct atmlec_ioc ioc_data; struct atmlec_ioc ioc_data;
/* Lecd must be up in this case */ /* Lecd must be up in this case */
bytes_left = copy_from_user(&ioc_data, arg, sizeof(struct atmlec_ioc)); bytes_left = copy_from_user(&ioc_data, arg, sizeof(struct atmlec_ioc));
if (bytes_left != 0) { if (bytes_left != 0) {
printk("lec: lec_vcc_attach, copy from user failed for %d bytes\n", printk
bytes_left); ("lec: lec_vcc_attach, 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]) if (ioc_data.dev_num < 0 || ioc_data.dev_num >= MAX_LEC_ITF ||
return -EINVAL; !dev_lec[ioc_data.dev_num])
return -EINVAL;
if (!(vpriv = kmalloc(sizeof(struct lec_vcc_priv), GFP_KERNEL))) if (!(vpriv = kmalloc(sizeof(struct lec_vcc_priv), GFP_KERNEL)))
return -ENOMEM; return -ENOMEM;
vpriv->xoff = 0; vpriv->xoff = 0;
vpriv->old_pop = vcc->pop; vpriv->old_pop = vcc->pop;
vcc->user_back = vpriv; vcc->user_back = vpriv;
vcc->pop = lec_pop; vcc->pop = lec_pop;
lec_vcc_added(dev_lec[ioc_data.dev_num]->priv, lec_vcc_added(dev_lec[ioc_data.dev_num]->priv,
&ioc_data, vcc, vcc->push); &ioc_data, vcc, vcc->push);
vcc->proto_data = dev_lec[ioc_data.dev_num]; vcc->proto_data = dev_lec[ioc_data.dev_num];
vcc->push = lec_push; vcc->push = lec_push;
return 0; return 0;
} }
static int static int lec_mcast_attach(struct atm_vcc *vcc, int arg)
lec_mcast_attach(struct atm_vcc *vcc, int arg)
{ {
if (arg <0 || arg >= MAX_LEC_ITF || !dev_lec[arg]) if (arg < 0 || arg >= MAX_LEC_ITF || !dev_lec[arg])
return -EINVAL; return -EINVAL;
vcc->proto_data = dev_lec[arg]; vcc->proto_data = dev_lec[arg];
return (lec_mcast_make((struct lec_priv*)dev_lec[arg]->priv, vcc)); return (lec_mcast_make((struct lec_priv *)dev_lec[arg]->priv, vcc));
} }
/* Initialize device. */ /* Initialize device. */
static int static int lecd_attach(struct atm_vcc *vcc, int arg)
lecd_attach(struct atm_vcc *vcc, int arg) {
{ int i;
int i; struct lec_priv *priv;
struct lec_priv *priv;
if (arg<0) if (arg < 0)
i = 0; i = 0;
else else
i = arg; i = arg;
#ifdef CONFIG_TR #ifdef CONFIG_TR
if (arg >= MAX_LEC_ITF) if (arg >= MAX_LEC_ITF)
return -EINVAL; return -EINVAL;
#else /* Reserve the top NUM_TR_DEVS for TR */ #else /* Reserve the top NUM_TR_DEVS for TR */
if (arg >= (MAX_LEC_ITF-NUM_TR_DEVS)) if (arg >= (MAX_LEC_ITF - NUM_TR_DEVS))
return -EINVAL; return -EINVAL;
#endif #endif
if (!dev_lec[i]) { if (!dev_lec[i]) {
int is_trdev, size; int is_trdev, size;
is_trdev = 0; is_trdev = 0;
if (i >= (MAX_LEC_ITF - NUM_TR_DEVS)) if (i >= (MAX_LEC_ITF - NUM_TR_DEVS))
is_trdev = 1; is_trdev = 1;
size = sizeof(struct lec_priv); size = sizeof(struct lec_priv);
#ifdef CONFIG_TR #ifdef CONFIG_TR
if (is_trdev) if (is_trdev)
dev_lec[i] = alloc_trdev(size); dev_lec[i] = alloc_trdev(size);
else else
#endif #endif
dev_lec[i] = alloc_etherdev(size); dev_lec[i] = alloc_etherdev(size);
if (!dev_lec[i]) if (!dev_lec[i])
return -ENOMEM; return -ENOMEM;
snprintf(dev_lec[i]->name, IFNAMSIZ, "lec%d", i); snprintf(dev_lec[i]->name, IFNAMSIZ, "lec%d", i);
if (register_netdev(dev_lec[i])) { if (register_netdev(dev_lec[i])) {
free_netdev(dev_lec[i]); free_netdev(dev_lec[i]);
return -EINVAL; return -EINVAL;
} }
priv = dev_lec[i]->priv; priv = dev_lec[i]->priv;
priv->is_trdev = is_trdev; priv->is_trdev = is_trdev;
lec_init(dev_lec[i]); lec_init(dev_lec[i]);
} else { } else {
priv = dev_lec[i]->priv; priv = dev_lec[i]->priv;
if (priv->lecd) if (priv->lecd)
return -EADDRINUSE; return -EADDRINUSE;
} }
lec_arp_init(priv); lec_arp_init(priv);
priv->itfnum = i; /* LANE2 addition */ priv->itfnum = i; /* LANE2 addition */
priv->lecd = vcc; priv->lecd = vcc;
vcc->dev = &lecatm_dev; vcc->dev = &lecatm_dev;
vcc_insert_socket(sk_atm(vcc)); vcc_insert_socket(sk_atm(vcc));
vcc->proto_data = dev_lec[i]; vcc->proto_data = dev_lec[i];
set_bit(ATM_VF_META,&vcc->flags); set_bit(ATM_VF_META, &vcc->flags);
set_bit(ATM_VF_READY,&vcc->flags); set_bit(ATM_VF_READY, &vcc->flags);
/* Set default values to these variables */ /* Set default values to these variables */
priv->maximum_unknown_frame_count = 1; priv->maximum_unknown_frame_count = 1;
priv->max_unknown_frame_time = (1*HZ); priv->max_unknown_frame_time = (1 * HZ);
priv->vcc_timeout_period = (1200*HZ); priv->vcc_timeout_period = (1200 * HZ);
priv->max_retry_count = 1; priv->max_retry_count = 1;
priv->aging_time = (300*HZ); priv->aging_time = (300 * HZ);
priv->forward_delay_time = (15*HZ); priv->forward_delay_time = (15 * HZ);
priv->topology_change = 0; priv->topology_change = 0;
priv->arp_response_time = (1*HZ); priv->arp_response_time = (1 * HZ);
priv->flush_timeout = (4*HZ); priv->flush_timeout = (4 * HZ);
priv->path_switching_delay = (6*HZ); priv->path_switching_delay = (6 * HZ);
if (dev_lec[i]->flags & IFF_UP) { if (dev_lec[i]->flags & IFF_UP) {
netif_start_queue(dev_lec[i]); netif_start_queue(dev_lec[i]);
} }
__module_get(THIS_MODULE); __module_get(THIS_MODULE);
return i; return i;
} }
#ifdef CONFIG_PROC_FS #ifdef CONFIG_PROC_FS
static char* lec_arp_get_status_string(unsigned char status) static char *lec_arp_get_status_string(unsigned char status)
{ {
static char *lec_arp_status_string[] = { static char *lec_arp_status_string[] = {
"ESI_UNKNOWN ", "ESI_UNKNOWN ",
...@@ -966,15 +987,14 @@ static void lec_info(struct seq_file *seq, struct lec_arp_table *entry) ...@@ -966,15 +987,14 @@ static void lec_info(struct seq_file *seq, struct lec_arp_table *entry)
if (entry->vcc) if (entry->vcc)
seq_printf(seq, "%3d %3d ", entry->vcc->vpi, entry->vcc->vci); seq_printf(seq, "%3d %3d ", entry->vcc->vpi, entry->vcc->vci);
else else
seq_printf(seq, " "); seq_printf(seq, " ");
if (entry->recv_vcc) { if (entry->recv_vcc) {
seq_printf(seq, " %3d %3d", entry->recv_vcc->vpi, seq_printf(seq, " %3d %3d", entry->recv_vcc->vpi,
entry->recv_vcc->vci); entry->recv_vcc->vci);
} }
seq_putc(seq, '\n'); seq_putc(seq, '\n');
} }
struct lec_state { struct lec_state {
unsigned long flags; unsigned long flags;
struct lec_priv *locked; struct lec_priv *locked;
...@@ -1005,7 +1025,7 @@ static void *lec_tbl_walk(struct lec_state *state, struct lec_arp_table *tbl, ...@@ -1005,7 +1025,7 @@ static void *lec_tbl_walk(struct lec_state *state, struct lec_arp_table *tbl,
} }
static void *lec_arp_walk(struct lec_state *state, loff_t *l, static void *lec_arp_walk(struct lec_state *state, loff_t *l,
struct lec_priv *priv) struct lec_priv *priv)
{ {
void *v = NULL; void *v = NULL;
int p; int p;
...@@ -1046,8 +1066,7 @@ static void *lec_priv_walk(struct lec_state *state, loff_t *l, ...@@ -1046,8 +1066,7 @@ static void *lec_priv_walk(struct lec_state *state, loff_t *l,
state->locked = priv; state->locked = priv;
spin_lock_irqsave(&priv->lec_arp_lock, state->flags); spin_lock_irqsave(&priv->lec_arp_lock, state->flags);
} }
if (!lec_arp_walk(state, l, priv) && if (!lec_arp_walk(state, l, priv) && !lec_misc_walk(state, l, priv)) {
!lec_misc_walk(state, l, priv)) {
spin_unlock_irqrestore(&priv->lec_arp_lock, state->flags); spin_unlock_irqrestore(&priv->lec_arp_lock, state->flags);
state->locked = NULL; state->locked = NULL;
/* Partial state reset for the next time we get called */ /* Partial state reset for the next time we get called */
...@@ -1081,7 +1100,7 @@ static void *lec_get_idx(struct lec_state *state, loff_t l) ...@@ -1081,7 +1100,7 @@ static void *lec_get_idx(struct lec_state *state, loff_t l)
if (v) if (v)
break; break;
} }
return v; return v;
} }
static void *lec_seq_start(struct seq_file *seq, loff_t *pos) static void *lec_seq_start(struct seq_file *seq, loff_t *pos)
...@@ -1095,7 +1114,7 @@ static void *lec_seq_start(struct seq_file *seq, loff_t *pos) ...@@ -1095,7 +1114,7 @@ static void *lec_seq_start(struct seq_file *seq, loff_t *pos)
state->misc_table = 0; state->misc_table = 0;
state->entry = (void *)1; state->entry = (void *)1;
return *pos ? lec_get_idx(state, *pos) : (void*)1; return *pos ? lec_get_idx(state, *pos) : (void *)1;
} }
static void lec_seq_stop(struct seq_file *seq, void *v) static void lec_seq_stop(struct seq_file *seq, void *v)
...@@ -1120,15 +1139,15 @@ static void *lec_seq_next(struct seq_file *seq, void *v, loff_t *pos) ...@@ -1120,15 +1139,15 @@ static void *lec_seq_next(struct seq_file *seq, void *v, loff_t *pos)
static int lec_seq_show(struct seq_file *seq, void *v) static int lec_seq_show(struct seq_file *seq, void *v)
{ {
static char lec_banner[] = "Itf MAC ATM destination" static char lec_banner[] = "Itf MAC ATM destination"
" Status Flags " " Status Flags "
"VPI/VCI Recv VPI/VCI\n"; "VPI/VCI Recv VPI/VCI\n";
if (v == (void *)1) if (v == (void *)1)
seq_puts(seq, lec_banner); seq_puts(seq, lec_banner);
else { else {
struct lec_state *state = seq->private; struct lec_state *state = seq->private;
struct net_device *dev = state->dev; struct net_device *dev = state->dev;
seq_printf(seq, "%s ", dev->name); seq_printf(seq, "%s ", dev->name);
lec_info(seq, state->entry); lec_info(seq, state->entry);
...@@ -1137,10 +1156,10 @@ static int lec_seq_show(struct seq_file *seq, void *v) ...@@ -1137,10 +1156,10 @@ static int lec_seq_show(struct seq_file *seq, void *v)
} }
static struct seq_operations lec_seq_ops = { static struct seq_operations lec_seq_ops = {
.start = lec_seq_start, .start = lec_seq_start,
.next = lec_seq_next, .next = lec_seq_next,
.stop = lec_seq_stop, .stop = lec_seq_stop,
.show = lec_seq_show, .show = lec_seq_show,
}; };
static int lec_seq_open(struct inode *inode, struct file *file) static int lec_seq_open(struct inode *inode, struct file *file)
...@@ -1174,11 +1193,11 @@ static int lec_seq_release(struct inode *inode, struct file *file) ...@@ -1174,11 +1193,11 @@ static int lec_seq_release(struct inode *inode, struct file *file)
} }
static struct file_operations lec_seq_fops = { static struct file_operations lec_seq_fops = {
.owner = THIS_MODULE, .owner = THIS_MODULE,
.open = lec_seq_open, .open = lec_seq_open,
.read = seq_read, .read = seq_read,
.llseek = seq_lseek, .llseek = seq_lseek,
.release = lec_seq_release, .release = lec_seq_release,
}; };
#endif #endif
...@@ -1186,38 +1205,38 @@ static int lane_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) ...@@ -1186,38 +1205,38 @@ static int lane_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
{ {
struct atm_vcc *vcc = ATM_SD(sock); struct atm_vcc *vcc = ATM_SD(sock);
int err = 0; int err = 0;
switch (cmd) { switch (cmd) {
case ATMLEC_CTRL: case ATMLEC_CTRL:
case ATMLEC_MCAST: case ATMLEC_MCAST:
case ATMLEC_DATA: case ATMLEC_DATA:
if (!capable(CAP_NET_ADMIN)) if (!capable(CAP_NET_ADMIN))
return -EPERM; return -EPERM;
break; break;
default: default:
return -ENOIOCTLCMD; return -ENOIOCTLCMD;
} }
switch (cmd) { switch (cmd) {
case ATMLEC_CTRL: case ATMLEC_CTRL:
err = lecd_attach(vcc, (int) arg); err = lecd_attach(vcc, (int)arg);
if (err >= 0) if (err >= 0)
sock->state = SS_CONNECTED; sock->state = SS_CONNECTED;
break; break;
case ATMLEC_MCAST: case ATMLEC_MCAST:
err = lec_mcast_attach(vcc, (int) arg); err = lec_mcast_attach(vcc, (int)arg);
break; break;
case ATMLEC_DATA: case ATMLEC_DATA:
err = lec_vcc_attach(vcc, (void __user *) arg); err = lec_vcc_attach(vcc, (void __user *)arg);
break; break;
} }
return err; return err;
} }
static struct atm_ioctl lane_ioctl_ops = { static struct atm_ioctl lane_ioctl_ops = {
.owner = THIS_MODULE, .owner = THIS_MODULE,
.ioctl = lane_ioctl, .ioctl = lane_ioctl,
}; };
static int __init lane_module_init(void) static int __init lane_module_init(void)
...@@ -1231,29 +1250,29 @@ static int __init lane_module_init(void) ...@@ -1231,29 +1250,29 @@ static int __init lane_module_init(void)
#endif #endif
register_atm_ioctl(&lane_ioctl_ops); register_atm_ioctl(&lane_ioctl_ops);
printk("lec.c: " __DATE__ " " __TIME__ " initialized\n"); printk("lec.c: " __DATE__ " " __TIME__ " initialized\n");
return 0; return 0;
} }
static void __exit lane_module_cleanup(void) static void __exit lane_module_cleanup(void)
{ {
int i; int i;
struct lec_priv *priv; struct lec_priv *priv;
remove_proc_entry("lec", atm_proc_root); remove_proc_entry("lec", atm_proc_root);
deregister_atm_ioctl(&lane_ioctl_ops); deregister_atm_ioctl(&lane_ioctl_ops);
for (i = 0; i < MAX_LEC_ITF; i++) { for (i = 0; i < MAX_LEC_ITF; i++) {
if (dev_lec[i] != NULL) { if (dev_lec[i] != NULL) {
priv = (struct lec_priv *)dev_lec[i]->priv; priv = (struct lec_priv *)dev_lec[i]->priv;
unregister_netdev(dev_lec[i]); unregister_netdev(dev_lec[i]);
free_netdev(dev_lec[i]); free_netdev(dev_lec[i]);
dev_lec[i] = NULL; dev_lec[i] = NULL;
} }
} }
return; return;
} }
module_init(lane_module_init); module_init(lane_module_init);
...@@ -1267,34 +1286,34 @@ module_exit(lane_module_cleanup); ...@@ -1267,34 +1286,34 @@ module_exit(lane_module_cleanup);
* If dst_mac == NULL, targetless LE_ARP will be sent * If dst_mac == NULL, targetless LE_ARP will be sent
*/ */
static int lane2_resolve(struct net_device *dev, u8 *dst_mac, int force, static int lane2_resolve(struct net_device *dev, u8 *dst_mac, int force,
u8 **tlvs, u32 *sizeoftlvs) u8 **tlvs, u32 *sizeoftlvs)
{ {
unsigned long flags; unsigned long flags;
struct lec_priv *priv = (struct lec_priv *)dev->priv; struct lec_priv *priv = (struct lec_priv *)dev->priv;
struct lec_arp_table *table; struct lec_arp_table *table;
struct sk_buff *skb; struct sk_buff *skb;
int retval; int retval;
if (force == 0) { if (force == 0) {
spin_lock_irqsave(&priv->lec_arp_lock, flags); spin_lock_irqsave(&priv->lec_arp_lock, flags);
table = lec_arp_find(priv, dst_mac); table = lec_arp_find(priv, dst_mac);
spin_unlock_irqrestore(&priv->lec_arp_lock, flags); spin_unlock_irqrestore(&priv->lec_arp_lock, flags);
if(table == NULL) if (table == NULL)
return -1; return -1;
*tlvs = kmalloc(table->sizeoftlvs, GFP_ATOMIC); *tlvs = kmalloc(table->sizeoftlvs, GFP_ATOMIC);
if (*tlvs == NULL) if (*tlvs == NULL)
return -1; return -1;
memcpy(*tlvs, table->tlvs, table->sizeoftlvs); memcpy(*tlvs, table->tlvs, table->sizeoftlvs);
*sizeoftlvs = table->sizeoftlvs; *sizeoftlvs = table->sizeoftlvs;
return 0; return 0;
} }
if (sizeoftlvs == NULL) if (sizeoftlvs == NULL)
retval = send_to_lecd(priv, l_arp_xmt, dst_mac, NULL, NULL); retval = send_to_lecd(priv, l_arp_xmt, dst_mac, NULL, NULL);
else { else {
skb = alloc_skb(*sizeoftlvs, GFP_ATOMIC); skb = alloc_skb(*sizeoftlvs, GFP_ATOMIC);
if (skb == NULL) if (skb == NULL)
...@@ -1303,9 +1322,8 @@ static int lane2_resolve(struct net_device *dev, u8 *dst_mac, int force, ...@@ -1303,9 +1322,8 @@ static int lane2_resolve(struct net_device *dev, u8 *dst_mac, int force,
memcpy(skb->data, *tlvs, *sizeoftlvs); memcpy(skb->data, *tlvs, *sizeoftlvs);
retval = send_to_lecd(priv, l_arp_xmt, dst_mac, NULL, skb); retval = send_to_lecd(priv, l_arp_xmt, dst_mac, NULL, skb);
} }
return retval; return retval;
} }
/* /*
* LANE2: 3.1.4, LE_ASSOCIATE.request * LANE2: 3.1.4, LE_ASSOCIATE.request
...@@ -1314,80 +1332,85 @@ static int lane2_resolve(struct net_device *dev, u8 *dst_mac, int force, ...@@ -1314,80 +1332,85 @@ static int lane2_resolve(struct net_device *dev, u8 *dst_mac, int force,
* Returns 1 for success, 0 for failure (out of memory) * Returns 1 for success, 0 for failure (out of memory)
* *
*/ */
static int lane2_associate_req (struct net_device *dev, u8 *lan_dst, static int lane2_associate_req(struct net_device *dev, u8 *lan_dst,
u8 *tlvs, u32 sizeoftlvs) u8 *tlvs, u32 sizeoftlvs)
{ {
int retval; int retval;
struct sk_buff *skb; struct sk_buff *skb;
struct lec_priv *priv = (struct lec_priv*)dev->priv; struct lec_priv *priv = (struct lec_priv *)dev->priv;
if (compare_ether_addr(lan_dst, dev->dev_addr)) if (compare_ether_addr(lan_dst, dev->dev_addr))
return (0); /* not our mac address */ return (0); /* not our mac address */
kfree(priv->tlvs); /* NULL if there was no previous association */ kfree(priv->tlvs); /* NULL if there was no previous association */
priv->tlvs = kmalloc(sizeoftlvs, GFP_KERNEL); priv->tlvs = kmalloc(sizeoftlvs, GFP_KERNEL);
if (priv->tlvs == NULL) if (priv->tlvs == NULL)
return (0); return (0);
priv->sizeoftlvs = sizeoftlvs; priv->sizeoftlvs = sizeoftlvs;
memcpy(priv->tlvs, tlvs, sizeoftlvs); memcpy(priv->tlvs, tlvs, sizeoftlvs);
skb = alloc_skb(sizeoftlvs, GFP_ATOMIC); skb = alloc_skb(sizeoftlvs, GFP_ATOMIC);
if (skb == NULL) if (skb == NULL)
return 0; return 0;
skb->len = sizeoftlvs; skb->len = sizeoftlvs;
memcpy(skb->data, tlvs, sizeoftlvs); memcpy(skb->data, tlvs, sizeoftlvs);
retval = send_to_lecd(priv, l_associate_req, NULL, NULL, skb); retval = send_to_lecd(priv, l_associate_req, NULL, NULL, skb);
if (retval != 0) if (retval != 0)
printk("lec.c: lane2_associate_req() failed\n"); printk("lec.c: lane2_associate_req() failed\n");
/* If the previous association has changed we must /*
* somehow notify other LANE entities about the change * If the previous association has changed we must
*/ * somehow notify other LANE entities about the change
return (1); */
return (1);
} }
/* /*
* LANE2: 3.1.5, LE_ASSOCIATE.indication * LANE2: 3.1.5, LE_ASSOCIATE.indication
* *
*/ */
static void lane2_associate_ind (struct net_device *dev, u8 *mac_addr, static void lane2_associate_ind(struct net_device *dev, u8 *mac_addr,
u8 *tlvs, u32 sizeoftlvs) u8 *tlvs, u32 sizeoftlvs)
{ {
#if 0 #if 0
int i = 0; int i = 0;
#endif #endif
struct lec_priv *priv = (struct lec_priv *)dev->priv; struct lec_priv *priv = (struct lec_priv *)dev->priv;
#if 0 /* Why have the TLVs in LE_ARP entries since we do not use them? When you #if 0 /*
uncomment this code, make sure the TLVs get freed when entry is killed */ * Why have the TLVs in LE_ARP entries
struct lec_arp_table *entry = lec_arp_find(priv, mac_addr); * since we do not use them? When you
* uncomment this code, make sure the
* TLVs get freed when entry is killed
*/
struct lec_arp_table *entry = lec_arp_find(priv, mac_addr);
if (entry == NULL) if (entry == NULL)
return; /* should not happen */ return; /* should not happen */
kfree(entry->tlvs); kfree(entry->tlvs);
entry->tlvs = kmalloc(sizeoftlvs, GFP_KERNEL); entry->tlvs = kmalloc(sizeoftlvs, GFP_KERNEL);
if (entry->tlvs == NULL) if (entry->tlvs == NULL)
return; return;
entry->sizeoftlvs = sizeoftlvs; entry->sizeoftlvs = sizeoftlvs;
memcpy(entry->tlvs, tlvs, sizeoftlvs); memcpy(entry->tlvs, tlvs, sizeoftlvs);
#endif #endif
#if 0 #if 0
printk("lec.c: lane2_associate_ind()\n"); printk("lec.c: lane2_associate_ind()\n");
printk("dump of tlvs, sizeoftlvs=%d\n", sizeoftlvs); printk("dump of tlvs, sizeoftlvs=%d\n", sizeoftlvs);
while (i < sizeoftlvs) while (i < sizeoftlvs)
printk("%02x ", tlvs[i++]); printk("%02x ", tlvs[i++]);
printk("\n"); printk("\n");
#endif #endif
/* tell MPOA about the TLVs we saw */ /* tell MPOA about the TLVs we saw */
if (priv->lane2_ops && priv->lane2_ops->associate_indicator) { if (priv->lane2_ops && priv->lane2_ops->associate_indicator) {
priv->lane2_ops->associate_indicator(dev, mac_addr, priv->lane2_ops->associate_indicator(dev, mac_addr,
tlvs, sizeoftlvs); tlvs, sizeoftlvs);
} }
return; return;
} }
/* /*
......
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