#include <net/sock.h>
#include <linux/skbuff.h>
#include <linux/ip.h>
+#include <linux/uaccess.h>
#include <asm/byteorder.h>
-#include <asm/uaccess.h>
#include <net/checksum.h> /* for ip_fast_csum() */
#include <net/arp.h>
#include <net/dst.h>
*/
#if 0
-#define dprintk printk /* debug */
+#define dprintk(format, args...) printk(KERN_DEBUG format, ##args) /* debug */
#else
-#define dprintk(format,args...)
+#define dprintk(format, args...) \
+ do { if (0) printk(KERN_DEBUG format, ##args); } while (0)
#endif
#if 0
-#define ddprintk printk /* more debug */
+#define ddprintk printk(KERN_DEBUG format, ##args) /* more debug */
#else
-#define ddprintk(format,args...)
+#define ddprintk(format, args...) \
+ do { if (0) printk(KERN_DEBUG format, ##args); } while (0)
#endif
#define MPOA_TAG_LEN 4
/* mpc_daemon -> kernel */
-static void MPOA_trigger_rcvd (struct k_message *msg, struct mpoa_client *mpc);
+static void MPOA_trigger_rcvd(struct k_message *msg, struct mpoa_client *mpc);
static void MPOA_res_reply_rcvd(struct k_message *msg, struct mpoa_client *mpc);
static void ingress_purge_rcvd(struct k_message *msg, struct mpoa_client *mpc);
static void egress_purge_rcvd(struct k_message *msg, struct mpoa_client *mpc);
static void mps_death(struct k_message *msg, struct mpoa_client *mpc);
-static void clean_up(struct k_message *msg, struct mpoa_client *mpc, int action);
-static void MPOA_cache_impos_rcvd(struct k_message *msg, struct mpoa_client *mpc);
-static void set_mpc_ctrl_addr_rcvd(struct k_message *mesg, struct mpoa_client *mpc);
-static void set_mps_mac_addr_rcvd(struct k_message *mesg, struct mpoa_client *mpc);
+static void clean_up(struct k_message *msg, struct mpoa_client *mpc,
+ int action);
+static void MPOA_cache_impos_rcvd(struct k_message *msg,
+ struct mpoa_client *mpc);
+static void set_mpc_ctrl_addr_rcvd(struct k_message *mesg,
+ struct mpoa_client *mpc);
+static void set_mps_mac_addr_rcvd(struct k_message *mesg,
+ struct mpoa_client *mpc);
static const uint8_t *copy_macs(struct mpoa_client *mpc,
const uint8_t *router_mac,
static void mpc_push(struct atm_vcc *vcc, struct sk_buff *skb);
static netdev_tx_t mpc_send_packet(struct sk_buff *skb,
- struct net_device *dev);
-static int mpoa_event_listener(struct notifier_block *mpoa_notifier, unsigned long event, void *dev);
+ struct net_device *dev);
+static int mpoa_event_listener(struct notifier_block *mpoa_notifier,
+ unsigned long event, void *dev);
static void mpc_timer_refresh(void);
-static void mpc_cache_check( unsigned long checking_time );
+static void mpc_cache_check(unsigned long checking_time);
static struct llc_snap_hdr llc_snap_mpoa_ctrl = {
0xaa, 0xaa, 0x03,
entry = kmalloc(sizeof(struct atm_mpoa_qos), GFP_KERNEL);
if (entry == NULL) {
- printk("mpoa: atm_mpoa_add_qos: out of memory\n");
+ pr_info("mpoa: out of memory\n");
return entry;
}
struct atm_mpoa_qos *qos;
qos = qos_head;
- while( qos != NULL ){
- if(qos->ipaddr == dst_ip) {
+ while (qos) {
+ if (qos->ipaddr == dst_ip)
break;
- }
qos = qos->next;
}
*/
int atm_mpoa_delete_qos(struct atm_mpoa_qos *entry)
{
-
struct atm_mpoa_qos *curr;
- if (entry == NULL) return 0;
+ if (entry == NULL)
+ return 0;
if (entry == qos_head) {
qos_head = qos_head->next;
kfree(entry);
while (qos != NULL) {
seq_printf(m, "%pI4\n %-7d %-7d %-7d %-7d %-7d\n %-7d %-7d %-7d %-7d %-7d\n",
- &qos->ipaddr,
- qos->qos.txtp.max_pcr, qos->qos.txtp.pcr, qos->qos.txtp.min_pcr, qos->qos.txtp.max_cdv, qos->qos.txtp.max_sdu,
- qos->qos.rxtp.max_pcr, qos->qos.rxtp.pcr, qos->qos.rxtp.min_pcr, qos->qos.rxtp.max_cdv, qos->qos.rxtp.max_sdu);
+ &qos->ipaddr,
+ qos->qos.txtp.max_pcr,
+ qos->qos.txtp.pcr,
+ qos->qos.txtp.min_pcr,
+ qos->qos.txtp.max_cdv,
+ qos->qos.txtp.max_sdu,
+ qos->qos.rxtp.max_pcr,
+ qos->qos.rxtp.pcr,
+ qos->qos.rxtp.min_pcr,
+ qos->qos.rxtp.max_cdv,
+ qos->qos.rxtp.max_sdu);
qos = qos->next;
}
}
{
struct mpoa_client *mpc;
- mpc = kzalloc(sizeof (struct mpoa_client), GFP_KERNEL);
+ mpc = kzalloc(sizeof(struct mpoa_client), GFP_KERNEL);
if (mpc == NULL)
return NULL;
rwlock_init(&mpc->ingress_lock);
mpc->parameters.mpc_p1 = MPC_P1;
mpc->parameters.mpc_p2 = MPC_P2;
- memset(mpc->parameters.mpc_p3,0,sizeof(mpc->parameters.mpc_p3));
+ memset(mpc->parameters.mpc_p3, 0, sizeof(mpc->parameters.mpc_p3));
mpc->parameters.mpc_p4 = MPC_P4;
mpc->parameters.mpc_p5 = MPC_P5;
mpc->parameters.mpc_p6 = MPC_P6;
dprintk("mpoa: (%s) start_mpc:\n", mpc->dev->name);
if (!dev->netdev_ops)
- printk("mpoa: (%s) start_mpc not starting\n", dev->name);
+ pr_info("(%s) not starting\n", dev->name);
else {
mpc->old_ops = dev->netdev_ops;
mpc->new_ops = *mpc->old_ops;
static const char *mpoa_device_type_string(char type)
{
- switch(type) {
+ switch (type) {
case NON_MPOA:
return "non-MPOA device";
- break;
case MPS:
return "MPS";
- break;
case MPC:
return "MPC";
- break;
case MPS_AND_MPC:
return "both MPS and MPC";
- break;
- default:
- return "unspecified (non-MPOA) device";
- break;
}
- return ""; /* not reached */
+ return "unspecified (non-MPOA) device";
}
/*
dprintk("total length of all TLVs %d\n", sizeoftlvs);
mpc = find_mpc_by_lec(dev); /* Sampo-Fix: moved here from below */
if (mpc == NULL) {
- printk("mpoa: (%s) lane2_assoc_ind: no mpc\n", dev->name);
+ pr_info("(%s) no mpc\n", dev->name);
return;
}
end_of_tlvs = tlvs + sizeoftlvs;
while (end_of_tlvs - tlvs >= 5) {
- type = (tlvs[0] << 24) | (tlvs[1] << 16) | (tlvs[2] << 8) | tlvs[3];
+ type = ((tlvs[0] << 24) | (tlvs[1] << 16) |
+ (tlvs[2] << 8) | tlvs[3]);
length = tlvs[4];
tlvs += 5;
dprintk(" type 0x%x length %02x\n", type, length);
if (tlvs + length > end_of_tlvs) {
- printk("TLV value extends past its buffer, aborting parse\n");
+ pr_info("TLV value extends past its buffer, aborting parse\n");
return;
}
if (type == 0) {
- printk("mpoa: (%s) lane2_assoc_ind: TLV type was 0, returning\n", dev->name);
+ pr_info("mpoa: (%s) TLV type was 0, returning\n",
+ dev->name);
return;
}
}
mpoa_device_type = *tlvs++;
number_of_mps_macs = *tlvs++;
- dprintk("mpoa: (%s) MPOA device type '%s', ", dev->name, mpoa_device_type_string(mpoa_device_type));
+ dprintk("mpoa: (%s) MPOA device type '%s', ",
+ dev->name, mpoa_device_type_string(mpoa_device_type));
if (mpoa_device_type == MPS_AND_MPC &&
length < (42 + number_of_mps_macs*ETH_ALEN)) { /* :) */
- printk("\nmpoa: (%s) lane2_assoc_ind: short MPOA Device Type TLV\n",
- dev->name);
+ pr_info("(%s) short MPOA Device Type TLV\n",
+ dev->name);
continue;
}
- if ((mpoa_device_type == MPS || mpoa_device_type == MPC)
- && length < 22 + number_of_mps_macs*ETH_ALEN) {
- printk("\nmpoa: (%s) lane2_assoc_ind: short MPOA Device Type TLV\n",
- dev->name);
+ if ((mpoa_device_type == MPS || mpoa_device_type == MPC) &&
+ length < 22 + number_of_mps_macs*ETH_ALEN) {
+ pr_info("(%s) short MPOA Device Type TLV\n", dev->name);
continue;
}
- if (mpoa_device_type != MPS && mpoa_device_type != MPS_AND_MPC) {
+ if (mpoa_device_type != MPS &&
+ mpoa_device_type != MPS_AND_MPC) {
dprintk("ignoring non-MPS device\n");
- if (mpoa_device_type == MPC) tlvs += 20;
+ if (mpoa_device_type == MPC)
+ tlvs += 20;
continue; /* we are only interested in MPSs */
}
- if (number_of_mps_macs == 0 && mpoa_device_type == MPS_AND_MPC) {
- printk("\nmpoa: (%s) lane2_assoc_ind: MPS_AND_MPC has zero MACs\n", dev->name);
+ if (number_of_mps_macs == 0 &&
+ mpoa_device_type == MPS_AND_MPC) {
+ pr_info("(%s) MPS_AND_MPC has zero MACs\n", dev->name);
continue; /* someone should read the spec */
}
dprintk("this MPS has %d MAC addresses\n", number_of_mps_macs);
- /* ok, now we can go and tell our daemon the control address of MPS */
+ /*
+ * ok, now we can go and tell our daemon
+ * the control address of MPS
+ */
send_set_mps_ctrl_addr(tlvs, mpc);
- tlvs = copy_macs(mpc, mac_addr, tlvs, number_of_mps_macs, mpoa_device_type);
- if (tlvs == NULL) return;
+ tlvs = copy_macs(mpc, mac_addr, tlvs,
+ number_of_mps_macs, mpoa_device_type);
+ if (tlvs == NULL)
+ return;
}
if (end_of_tlvs - tlvs != 0)
- printk("mpoa: (%s) lane2_assoc_ind: ignoring %Zd bytes of trailing TLV carbage\n",
- dev->name, end_of_tlvs - tlvs);
+ pr_info("(%s) ignoring %Zd bytes of trailing TLV garbage\n",
+ dev->name, end_of_tlvs - tlvs);
return;
}
num_macs = (mps_macs > 1) ? mps_macs : 1;
if (mpc->number_of_mps_macs != num_macs) { /* need to reallocate? */
- if (mpc->number_of_mps_macs != 0) kfree(mpc->mps_macs);
+ if (mpc->number_of_mps_macs != 0)
+ kfree(mpc->mps_macs);
mpc->number_of_mps_macs = 0;
- mpc->mps_macs = kmalloc(num_macs*ETH_ALEN, GFP_KERNEL);
+ mpc->mps_macs = kmalloc(num_macs * ETH_ALEN, GFP_KERNEL);
if (mpc->mps_macs == NULL) {
- printk("mpoa: (%s) copy_macs: out of mem\n", mpc->dev->name);
+ pr_info("(%s) out of mem\n", mpc->dev->name);
return NULL;
}
}
iph = (struct iphdr *)buff;
ipaddr = iph->daddr;
- ddprintk("mpoa: (%s) send_via_shortcut: ipaddr 0x%x\n", mpc->dev->name, ipaddr);
+ ddprintk("mpoa: (%s) send_via_shortcut: ipaddr 0x%x\n",
+ mpc->dev->name, ipaddr);
entry = mpc->in_ops->get(ipaddr, mpc);
if (entry == NULL) {
entry = mpc->in_ops->add_entry(ipaddr, mpc);
- if (entry != NULL) mpc->in_ops->put(entry);
+ if (entry != NULL)
+ mpc->in_ops->put(entry);
return 1;
}
- if (mpc->in_ops->cache_hit(entry, mpc) != OPEN){ /* threshold not exceeded or VCC not ready */
- ddprintk("mpoa: (%s) send_via_shortcut: cache_hit: returns != OPEN\n", mpc->dev->name);
+ /* threshold not exceeded or VCC not ready */
+ if (mpc->in_ops->cache_hit(entry, mpc) != OPEN) {
+ ddprintk("mpoa: (%s) send_via_shortcut: cache_hit: returns != OPEN\n",
+ mpc->dev->name);
mpc->in_ops->put(entry);
return 1;
}
- ddprintk("mpoa: (%s) send_via_shortcut: using shortcut\n", mpc->dev->name);
+ ddprintk("mpoa: (%s) send_via_shortcut: using shortcut\n",
+ mpc->dev->name);
/* MPOA spec A.1.4, MPOA client must decrement IP ttl at least by one */
if (iph->ttl <= 1) {
- ddprintk("mpoa: (%s) send_via_shortcut: IP ttl = %u, using LANE\n", mpc->dev->name, iph->ttl);
+ ddprintk("mpoa: (%s) send_via_shortcut: IP ttl = %u, using LANE\n",
+ mpc->dev->name, iph->ttl);
mpc->in_ops->put(entry);
return 1;
}
iph->check = ip_fast_csum((unsigned char *)iph, iph->ihl);
if (entry->ctrl_info.tag != 0) {
- ddprintk("mpoa: (%s) send_via_shortcut: adding tag 0x%x\n", mpc->dev->name, entry->ctrl_info.tag);
+ ddprintk("mpoa: (%s) send_via_shortcut: adding tag 0x%x\n",
+ mpc->dev->name, entry->ctrl_info.tag);
tagged_llc_snap_hdr.tag = entry->ctrl_info.tag;
- skb_pull(skb, ETH_HLEN); /* get rid of Eth header */
- skb_push(skb, sizeof(tagged_llc_snap_hdr)); /* add LLC/SNAP header */
+ skb_pull(skb, ETH_HLEN); /* get rid of Eth header */
+ skb_push(skb, sizeof(tagged_llc_snap_hdr));
+ /* add LLC/SNAP header */
skb_copy_to_linear_data(skb, &tagged_llc_snap_hdr,
sizeof(tagged_llc_snap_hdr));
} else {
- skb_pull(skb, ETH_HLEN); /* get rid of Eth header */
- skb_push(skb, sizeof(struct llc_snap_hdr)); /* add LLC/SNAP header + tag */
+ skb_pull(skb, ETH_HLEN); /* get rid of Eth header */
+ skb_push(skb, sizeof(struct llc_snap_hdr));
+ /* add LLC/SNAP header + tag */
skb_copy_to_linear_data(skb, &llc_snap_mpoa_data,
sizeof(struct llc_snap_hdr));
}
int i = 0;
mpc = find_mpc_by_lec(dev); /* this should NEVER fail */
- if(mpc == NULL) {
- printk("mpoa: (%s) mpc_send_packet: no MPC found\n", dev->name);
+ if (mpc == NULL) {
+ pr_info("(%s) no MPC found\n", dev->name);
goto non_ip;
}
goto non_ip;
while (i < mpc->number_of_mps_macs) {
- if (!compare_ether_addr(eth->h_dest, (mpc->mps_macs + i*ETH_ALEN)))
- if ( send_via_shortcut(skb, mpc) == 0 ) /* try shortcut */
- return NETDEV_TX_OK; /* success! */
+ if (!compare_ether_addr(eth->h_dest,
+ (mpc->mps_macs + i*ETH_ALEN)))
+ if (send_via_shortcut(skb, mpc) == 0) /* try shortcut */
+ return NETDEV_TX_OK;
i++;
}
- non_ip:
- return mpc->old_ops->ndo_start_xmit(skb,dev);
+non_ip:
+ return mpc->old_ops->ndo_start_xmit(skb, dev);
}
static int atm_mpoa_vcc_attach(struct atm_vcc *vcc, void __user *arg)
bytes_left = copy_from_user(&ioc_data, arg, sizeof(struct atmmpc_ioc));
if (bytes_left != 0) {
- printk("mpoa: mpc_vcc_attach: Short read (missed %d bytes) from userland\n", bytes_left);
+ pr_info("mpoa:Short read (missed %d bytes) from userland\n",
+ bytes_left);
return -EFAULT;
}
ipaddr = ioc_data.ipaddr;
if (ioc_data.type == MPC_SOCKET_INGRESS) {
in_entry = mpc->in_ops->get(ipaddr, mpc);
- if (in_entry == NULL || in_entry->entry_state < INGRESS_RESOLVED) {
- printk("mpoa: (%s) mpc_vcc_attach: did not find RESOLVED entry from ingress cache\n",
+ if (in_entry == NULL ||
+ in_entry->entry_state < INGRESS_RESOLVED) {
+ pr_info("(%s) did not find RESOLVED entry from ingress cache\n",
mpc->dev->name);
- if (in_entry != NULL) mpc->in_ops->put(in_entry);
+ if (in_entry != NULL)
+ mpc->in_ops->put(in_entry);
return -EINVAL;
}
- printk("mpoa: (%s) mpc_vcc_attach: attaching ingress SVC, entry = %pI4\n",
- mpc->dev->name, &in_entry->ctrl_info.in_dst_ip);
+ pr_info("(%s) attaching ingress SVC, entry = %pI4\n",
+ mpc->dev->name, &in_entry->ctrl_info.in_dst_ip);
in_entry->shortcut = vcc;
mpc->in_ops->put(in_entry);
} else {
- printk("mpoa: (%s) mpc_vcc_attach: attaching egress SVC\n", mpc->dev->name);
+ pr_info("(%s) attaching egress SVC\n", mpc->dev->name);
}
vcc->proto_data = mpc->dev;
mpc = find_mpc_by_lec(dev);
if (mpc == NULL) {
- printk("mpoa: (%s) mpc_vcc_close: close for unknown MPC\n", dev->name);
+ pr_info("(%s) close for unknown MPC\n", dev->name);
return;
}
in_entry = mpc->in_ops->get_by_vcc(vcc, mpc);
if (in_entry) {
dprintk("mpoa: (%s) mpc_vcc_close: ingress SVC closed ip = %pI4\n",
- mpc->dev->name, &in_entry->ctrl_info.in_dst_ip);
+ mpc->dev->name, &in_entry->ctrl_info.in_dst_ip);
in_entry->shortcut = NULL;
mpc->in_ops->put(in_entry);
}
eg_entry = mpc->eg_ops->get_by_vcc(vcc, mpc);
if (eg_entry) {
- dprintk("mpoa: (%s) mpc_vcc_close: egress SVC closed\n", mpc->dev->name);
+ dprintk("mpoa: (%s) mpc_vcc_close: egress SVC closed\n",
+ mpc->dev->name);
eg_entry->shortcut = NULL;
mpc->eg_ops->put(eg_entry);
}
if (in_entry == NULL && eg_entry == NULL)
- dprintk("mpoa: (%s) mpc_vcc_close: unused vcc closed\n", dev->name);
+ dprintk("mpoa: (%s) mpc_vcc_close: unused vcc closed\n",
+ dev->name);
return;
}
ddprintk("mpoa: (%s) mpc_push:\n", dev->name);
if (skb == NULL) {
- dprintk("mpoa: (%s) mpc_push: null skb, closing VCC\n", dev->name);
+ dprintk("mpoa: (%s) mpc_push: null skb, closing VCC\n",
+ dev->name);
mpc_vcc_close(vcc, dev);
return;
}
skb->dev = dev;
- if (memcmp(skb->data, &llc_snap_mpoa_ctrl, sizeof(struct llc_snap_hdr)) == 0) {
+ if (memcmp(skb->data, &llc_snap_mpoa_ctrl,
+ sizeof(struct llc_snap_hdr)) == 0) {
struct sock *sk = sk_atm(vcc);
- dprintk("mpoa: (%s) mpc_push: control packet arrived\n", dev->name);
+ dprintk("mpoa: (%s) mpc_push: control packet arrived\n",
+ dev->name);
/* Pass control packets to daemon */
skb_queue_tail(&sk->sk_receive_queue, skb);
sk->sk_data_ready(sk, skb->len);
mpc = find_mpc_by_lec(dev);
if (mpc == NULL) {
- printk("mpoa: (%s) mpc_push: unknown MPC\n", dev->name);
+ pr_info("(%s) unknown MPC\n", dev->name);
return;
}
- if (memcmp(skb->data, &llc_snap_mpoa_data_tagged, sizeof(struct llc_snap_hdr)) == 0) { /* MPOA tagged data */
- ddprintk("mpoa: (%s) mpc_push: tagged data packet arrived\n", dev->name);
+ if (memcmp(skb->data, &llc_snap_mpoa_data_tagged,
+ sizeof(struct llc_snap_hdr)) == 0) { /* MPOA tagged data */
+ ddprintk("mpoa: (%s) mpc_push: tagged data packet arrived\n",
+ dev->name);
- } else if (memcmp(skb->data, &llc_snap_mpoa_data, sizeof(struct llc_snap_hdr)) == 0) { /* MPOA data */
- printk("mpoa: (%s) mpc_push: non-tagged data packet arrived\n", dev->name);
- printk(" mpc_push: non-tagged data unsupported, purging\n");
+ } else if (memcmp(skb->data, &llc_snap_mpoa_data,
+ sizeof(struct llc_snap_hdr)) == 0) { /* MPOA data */
+ pr_info("(%s) Unsupported non-tagged data packet arrived. Purging\n",
+ dev->name);
dev_kfree_skb_any(skb);
return;
} else {
- printk("mpoa: (%s) mpc_push: garbage arrived, purging\n", dev->name);
+ pr_info("(%s) garbage arrived, purging\n", dev->name);
dev_kfree_skb_any(skb);
return;
}
eg = mpc->eg_ops->get_by_tag(tag, mpc);
if (eg == NULL) {
- printk("mpoa: (%s) mpc_push: Didn't find egress cache entry, tag = %u\n",
- dev->name,tag);
+ pr_info("mpoa: (%s) Didn't find egress cache entry, tag = %u\n",
+ dev->name, tag);
purge_egress_shortcut(vcc, NULL);
dev_kfree_skb_any(skb);
return;
*/
if (eg->shortcut == NULL) {
eg->shortcut = vcc;
- printk("mpoa: (%s) mpc_push: egress SVC in use\n", dev->name);
+ pr_info("(%s) egress SVC in use\n", dev->name);
}
- skb_pull(skb, sizeof(struct llc_snap_hdr) + sizeof(tag)); /* get rid of LLC/SNAP header */
- new_skb = skb_realloc_headroom(skb, eg->ctrl_info.DH_length); /* LLC/SNAP is shorter than MAC header :( */
+ skb_pull(skb, sizeof(struct llc_snap_hdr) + sizeof(tag));
+ /* get rid of LLC/SNAP header */
+ new_skb = skb_realloc_headroom(skb, eg->ctrl_info.DH_length);
+ /* LLC/SNAP is shorter than MAC header :( */
dev_kfree_skb_any(skb);
- if (new_skb == NULL){
+ if (new_skb == NULL) {
mpc->eg_ops->put(eg);
return;
}
/* members not explicitly initialised will be 0 */
};
-static int atm_mpoa_mpoad_attach (struct atm_vcc *vcc, int arg)
+static int atm_mpoa_mpoad_attach(struct atm_vcc *vcc, int arg)
{
struct mpoa_client *mpc;
struct lec_priv *priv;
mpc = find_mpc_by_itfnum(arg);
if (mpc == NULL) {
- dprintk("mpoa: mpoad_attach: allocating new mpc for itf %d\n", arg);
+ dprintk("mpoa: mpoad_attach: allocating new mpc for itf %d\n",
+ arg);
mpc = alloc_mpc();
if (mpc == NULL)
return -ENOMEM;
mpc->dev_num = arg;
- mpc->dev = find_lec_by_itfnum(arg); /* NULL if there was no lec */
+ mpc->dev = find_lec_by_itfnum(arg);
+ /* NULL if there was no lec */
}
if (mpc->mpoad_vcc) {
- printk("mpoa: mpoad_attach: mpoad is already present for itf %d\n", arg);
+ pr_info("mpoad is already present for itf %d\n", arg);
return -EADDRINUSE;
}
mpc->mpoad_vcc = vcc;
vcc->dev = &mpc_dev;
vcc_insert_socket(sk_atm(vcc));
- set_bit(ATM_VF_META,&vcc->flags);
- set_bit(ATM_VF_READY,&vcc->flags);
+ set_bit(ATM_VF_META, &vcc->flags);
+ set_bit(ATM_VF_READY, &vcc->flags);
if (mpc->dev) {
char empty[ATM_ESA_LEN];
/* set address if mpcd e.g. gets killed and restarted.
* If we do not do it now we have to wait for the next LE_ARP
*/
- if ( memcmp(mpc->mps_ctrl_addr, empty, ATM_ESA_LEN) != 0 )
+ if (memcmp(mpc->mps_ctrl_addr, empty, ATM_ESA_LEN) != 0)
send_set_mps_ctrl_addr(mpc->mps_ctrl_addr, mpc);
}
{
struct k_message mesg;
- memcpy (mpc->mps_ctrl_addr, addr, ATM_ESA_LEN);
+ memcpy(mpc->mps_ctrl_addr, addr, ATM_ESA_LEN);
mesg.type = SET_MPS_CTRL_ADDR;
memcpy(mesg.MPS_ctrl, addr, ATM_ESA_LEN);
mpc = find_mpc_by_vcc(vcc);
if (mpc == NULL) {
- printk("mpoa: mpoad_close: did not find MPC\n");
+ pr_info("did not find MPC\n");
return;
}
if (!mpc->mpoad_vcc) {
- printk("mpoa: mpoad_close: close for non-present mpoad\n");
+ pr_info("close for non-present mpoad\n");
return;
}
kfree_skb(skb);
}
- printk("mpoa: (%s) going down\n",
+ pr_info("(%s) going down\n",
(mpc->dev) ? mpc->dev->name : "<unknown>");
module_put(THIS_MODULE);
{
struct mpoa_client *mpc = find_mpc_by_vcc(vcc);
- struct k_message *mesg = (struct k_message*)skb->data;
+ struct k_message *mesg = (struct k_message *)skb->data;
atomic_sub(skb->truesize, &sk_atm(vcc)->sk_wmem_alloc);
if (mpc == NULL) {
- printk("mpoa: msg_from_mpoad: no mpc found\n");
+ pr_info("no mpc found\n");
return 0;
}
- dprintk("mpoa: (%s) msg_from_mpoad:", (mpc->dev) ? mpc->dev->name : "<unknown>");
- switch(mesg->type) {
+ dprintk("mpoa: (%s) msg_from_mpoad:",
+ (mpc->dev) ? mpc->dev->name : "<unknown>");
+ switch (mesg->type) {
case MPOA_RES_REPLY_RCVD:
dprintk(" mpoa_res_reply_rcvd\n");
MPOA_res_reply_rcvd(mesg, mpc);
struct sock *sk;
if (mpc == NULL || !mpc->mpoad_vcc) {
- printk("mpoa: msg_to_mpoad: mesg %d to a non-existent mpoad\n", mesg->type);
+ pr_info("mesg %d to a non-existent mpoad\n", mesg->type);
return -ENXIO;
}
return 0;
}
-static int mpoa_event_listener(struct notifier_block *mpoa_notifier, unsigned long event, void *dev_ptr)
+static int mpoa_event_listener(struct notifier_block *mpoa_notifier,
+ unsigned long event, void *dev_ptr)
{
struct net_device *dev;
struct mpoa_client *mpc;
mpc = find_mpc_by_itfnum(priv->itfnum);
if (mpc == NULL) {
dprintk("mpoa: mpoa_event_listener: allocating new mpc for %s\n",
- dev->name);
+ dev->name);
mpc = alloc_mpc();
if (mpc == NULL) {
- printk("mpoa: mpoa_event_listener: no new mpc");
+ pr_info("no new mpc");
break;
}
}
mpc = find_mpc_by_lec(dev);
if (mpc == NULL)
break;
- if (mpc->mpoad_vcc != NULL) {
+ if (mpc->mpoad_vcc != NULL)
start_mpc(mpc, dev);
- }
break;
case NETDEV_DOWN:
/* the dev was ifconfig'ed down */
mpc = find_mpc_by_lec(dev);
if (mpc == NULL)
break;
- if (mpc->mpoad_vcc != NULL) {
+ if (mpc->mpoad_vcc != NULL)
stop_mpc(mpc);
- }
break;
case NETDEV_REBOOT:
case NETDEV_CHANGE:
in_cache_entry *entry;
entry = mpc->in_ops->get(dst_ip, mpc);
- if(entry == NULL){
+ if (entry == NULL) {
entry = mpc->in_ops->add_entry(dst_ip, mpc);
entry->entry_state = INGRESS_RESOLVING;
msg->type = SND_MPOA_RES_RQST;
return;
}
- if(entry->entry_state == INGRESS_INVALID){
+ if (entry->entry_state == INGRESS_INVALID) {
entry->entry_state = INGRESS_RESOLVING;
msg->type = SND_MPOA_RES_RQST;
msg->content.in_info = entry->ctrl_info;
return;
}
- printk("mpoa: (%s) MPOA_trigger_rcvd: entry already in resolving state\n",
+ pr_info("(%s) entry already in resolving state\n",
(mpc->dev) ? mpc->dev->name : "<unknown>");
mpc->in_ops->put(entry);
return;
* Things get complicated because we have to check if there's an egress
* shortcut with suitable traffic parameters we could use.
*/
-static void check_qos_and_open_shortcut(struct k_message *msg, struct mpoa_client *client, in_cache_entry *entry)
+static void check_qos_and_open_shortcut(struct k_message *msg,
+ struct mpoa_client *client,
+ in_cache_entry *entry)
{
__be32 dst_ip = msg->content.in_info.in_dst_ip;
struct atm_mpoa_qos *qos = atm_mpoa_search_qos(dst_ip);
eg_cache_entry *eg_entry = client->eg_ops->get_by_src_ip(dst_ip, client);
- if(eg_entry && eg_entry->shortcut){
- if(eg_entry->shortcut->qos.txtp.traffic_class &
- msg->qos.txtp.traffic_class &
- (qos ? qos->qos.txtp.traffic_class : ATM_UBR | ATM_CBR)){
- if(eg_entry->shortcut->qos.txtp.traffic_class == ATM_UBR)
- entry->shortcut = eg_entry->shortcut;
- else if(eg_entry->shortcut->qos.txtp.max_pcr > 0)
- entry->shortcut = eg_entry->shortcut;
+ if (eg_entry && eg_entry->shortcut) {
+ if (eg_entry->shortcut->qos.txtp.traffic_class &
+ msg->qos.txtp.traffic_class &
+ (qos ? qos->qos.txtp.traffic_class : ATM_UBR | ATM_CBR)) {
+ if (eg_entry->shortcut->qos.txtp.traffic_class == ATM_UBR)
+ entry->shortcut = eg_entry->shortcut;
+ else if (eg_entry->shortcut->qos.txtp.max_pcr > 0)
+ entry->shortcut = eg_entry->shortcut;
}
- if(entry->shortcut){
+ if (entry->shortcut) {
dprintk("mpoa: (%s) using egress SVC to reach %pI4\n",
client->dev->name, &dst_ip);
client->eg_ops->put(eg_entry);
/* No luck in the egress cache we must open an ingress SVC */
msg->type = OPEN_INGRESS_SVC;
- if (qos && (qos->qos.txtp.traffic_class == msg->qos.txtp.traffic_class))
- {
+ if (qos &&
+ (qos->qos.txtp.traffic_class == msg->qos.txtp.traffic_class)) {
msg->qos = qos->qos;
- printk("mpoa: (%s) trying to get a CBR shortcut\n",client->dev->name);
- }
- else memset(&msg->qos,0,sizeof(struct atm_qos));
+ pr_info("(%s) trying to get a CBR shortcut\n",
+ client->dev->name);
+ } else
+ memset(&msg->qos, 0, sizeof(struct atm_qos));
msg_to_mpoad(msg, client);
return;
}
dprintk("mpoa: (%s) MPOA_res_reply_rcvd: ip %pI4\n",
mpc->dev->name, &dst_ip);
- ddprintk("mpoa: (%s) MPOA_res_reply_rcvd() entry = %p", mpc->dev->name, entry);
- if(entry == NULL){
- printk("\nmpoa: (%s) ARGH, received res. reply for an entry that doesn't exist.\n", mpc->dev->name);
+ ddprintk("mpoa: (%s) MPOA_res_reply_rcvd() entry = %p",
+ mpc->dev->name, entry);
+ if (entry == NULL) {
+ pr_info("(%s) ARGH, received res. reply for an entry that doesn't exist.\n",
+ mpc->dev->name);
return;
}
ddprintk(" entry_state = %d ", entry->entry_state);
if (entry->entry_state == INGRESS_RESOLVED) {
- printk("\nmpoa: (%s) MPOA_res_reply_rcvd for RESOLVED entry!\n", mpc->dev->name);
+ pr_info("(%s) RESOLVED entry!\n", mpc->dev->name);
mpc->in_ops->put(entry);
return;
}
entry->refresh_time = 0;
ddprintk("entry->shortcut = %p\n", entry->shortcut);
- if(entry->entry_state == INGRESS_RESOLVING && entry->shortcut != NULL){
+ if (entry->entry_state == INGRESS_RESOLVING &&
+ entry->shortcut != NULL) {
entry->entry_state = INGRESS_RESOLVED;
mpc->in_ops->put(entry);
return; /* Shortcut already open... */
}
if (entry->shortcut != NULL) {
- printk("mpoa: (%s) MPOA_res_reply_rcvd: entry->shortcut != NULL, impossible!\n",
- mpc->dev->name);
+ pr_info("(%s) entry->shortcut != NULL, impossible!\n",
+ mpc->dev->name);
mpc->in_ops->put(entry);
return;
}
__be32 mask = msg->ip_mask;
in_cache_entry *entry = mpc->in_ops->get_with_mask(dst_ip, mpc, mask);
- if(entry == NULL){
- printk("mpoa: (%s) ingress_purge_rcvd: purge for a non-existing entry, ip = %pI4\n",
- mpc->dev->name, &dst_ip);
+ if (entry == NULL) {
+ pr_info("(%s) purge for a non-existing entry, ip = %pI4\n",
+ mpc->dev->name, &dst_ip);
return;
}
eg_cache_entry *entry = mpc->eg_ops->get_by_cache_id(cache_id, mpc);
if (entry == NULL) {
- dprintk("mpoa: (%s) egress_purge_rcvd: purge for a non-existing entry\n", mpc->dev->name);
+ dprintk("mpoa: (%s) egress_purge_rcvd: purge for a non-existing entry\n",
+ mpc->dev->name);
return;
}
dprintk("mpoa: purge_egress_shortcut: entering\n");
if (vcc == NULL) {
- printk("mpoa: purge_egress_shortcut: vcc == NULL\n");
+ pr_info("vcc == NULL\n");
return;
}
skb = alloc_skb(sizeof(struct k_message), GFP_ATOMIC);
if (skb == NULL) {
- printk("mpoa: purge_egress_shortcut: out of memory\n");
+ pr_info("out of memory\n");
return;
}
* Our MPS died. Tell our daemon to send NHRP data plane purge to each
* of the egress shortcuts we have.
*/
-static void mps_death( struct k_message * msg, struct mpoa_client * mpc )
+static void mps_death(struct k_message *msg, struct mpoa_client *mpc)
{
eg_cache_entry *entry;
dprintk("mpoa: (%s) mps_death:\n", mpc->dev->name);
- if(memcmp(msg->MPS_ctrl, mpc->mps_ctrl_addr, ATM_ESA_LEN)){
- printk("mpoa: (%s) mps_death: wrong MPS\n", mpc->dev->name);
+ if (memcmp(msg->MPS_ctrl, mpc->mps_ctrl_addr, ATM_ESA_LEN)) {
+ pr_info("(%s) wrong MPS\n", mpc->dev->name);
return;
}
return;
}
-static void MPOA_cache_impos_rcvd( struct k_message * msg, struct mpoa_client * mpc)
+static void MPOA_cache_impos_rcvd(struct k_message *msg,
+ struct mpoa_client *mpc)
{
uint16_t holding_time;
eg_cache_entry *entry = mpc->eg_ops->get_by_cache_id(msg->content.eg_info.cache_id, mpc);
holding_time = msg->content.eg_info.holding_time;
dprintk("mpoa: (%s) MPOA_cache_impos_rcvd: entry = %p, holding_time = %u\n",
- mpc->dev->name, entry, holding_time);
- if(entry == NULL && holding_time) {
+ mpc->dev->name, entry, holding_time);
+ if (entry == NULL && holding_time) {
entry = mpc->eg_ops->add_entry(msg, mpc);
mpc->eg_ops->put(entry);
return;
}
- if(holding_time){
+ if (holding_time) {
mpc->eg_ops->update(entry, holding_time);
return;
}
return;
}
-static void set_mpc_ctrl_addr_rcvd(struct k_message *mesg, struct mpoa_client *mpc)
+static void set_mpc_ctrl_addr_rcvd(struct k_message *mesg,
+ struct mpoa_client *mpc)
{
struct lec_priv *priv;
int i, retval ;
memcpy(mpc->our_ctrl_addr, mesg->MPS_ctrl, ATM_ESA_LEN);
dprintk("mpoa: (%s) setting MPC ctrl ATM address to ",
- (mpc->dev) ? mpc->dev->name : "<unknown>");
+ (mpc->dev) ? mpc->dev->name : "<unknown>");
for (i = 7; i < sizeof(tlv); i++)
dprintk("%02x ", tlv[i]);
dprintk("\n");
if (mpc->dev) {
priv = netdev_priv(mpc->dev);
- retval = priv->lane2_ops->associate_req(mpc->dev, mpc->dev->dev_addr, tlv, sizeof(tlv));
+ retval = priv->lane2_ops->associate_req(mpc->dev,
+ mpc->dev->dev_addr,
+ tlv, sizeof(tlv));
if (retval == 0)
- printk("mpoa: (%s) MPOA device type TLV association failed\n", mpc->dev->name);
+ pr_info("(%s) MPOA device type TLV association failed\n",
+ mpc->dev->name);
retval = priv->lane2_ops->resolve(mpc->dev, NULL, 1, NULL, NULL);
if (retval < 0)
- printk("mpoa: (%s) targetless LE_ARP request failed\n", mpc->dev->name);
+ pr_info("(%s) targetless LE_ARP request failed\n",
+ mpc->dev->name);
}
return;
}
-static void set_mps_mac_addr_rcvd(struct k_message *msg, struct mpoa_client *client)
+static void set_mps_mac_addr_rcvd(struct k_message *msg,
+ struct mpoa_client *client)
{
- if(client->number_of_mps_macs)
+ if (client->number_of_mps_macs)
kfree(client->mps_macs);
client->number_of_mps_macs = 0;
client->mps_macs = kmemdup(msg->MPS_ctrl, ETH_ALEN, GFP_KERNEL);
if (client->mps_macs == NULL) {
- printk("mpoa: set_mps_mac_addr_rcvd: out of memory\n");
+ pr_info("out of memory\n");
return;
}
client->number_of_mps_macs = 1;
/* FIXME: This knows too much of the cache structure */
read_lock_irq(&mpc->egress_lock);
entry = mpc->eg_cache;
- while (entry != NULL){
- msg->content.eg_info = entry->ctrl_info;
- dprintk("mpoa: cache_id %u\n", entry->ctrl_info.cache_id);
- msg_to_mpoad(msg, mpc);
- entry = entry->next;
+ while (entry != NULL) {
+ msg->content.eg_info = entry->ctrl_info;
+ dprintk("mpoa: cache_id %u\n", entry->ctrl_info.cache_id);
+ msg_to_mpoad(msg, mpc);
+ entry = entry->next;
}
read_unlock_irq(&mpc->egress_lock);
return;
}
-static void mpc_cache_check( unsigned long checking_time )
+static void mpc_cache_check(unsigned long checking_time)
{
struct mpoa_client *mpc = mpcs;
static unsigned long previous_resolving_check_time;
static unsigned long previous_refresh_time;
- while( mpc != NULL ){
+ while (mpc != NULL) {
mpc->in_ops->clear_count(mpc);
mpc->eg_ops->clear_expired(mpc);
- if(checking_time - previous_resolving_check_time > mpc->parameters.mpc_p4 * HZ ){
+ if (checking_time - previous_resolving_check_time >
+ mpc->parameters.mpc_p4 * HZ) {
mpc->in_ops->check_resolving(mpc);
previous_resolving_check_time = checking_time;
}
- if(checking_time - previous_refresh_time > mpc->parameters.mpc_p5 * HZ ){
+ if (checking_time - previous_refresh_time >
+ mpc->parameters.mpc_p5 * HZ) {
mpc->in_ops->refresh(mpc);
previous_refresh_time = checking_time;
}
return;
}
-static int atm_mpoa_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
+static int atm_mpoa_ioctl(struct socket *sock, unsigned int cmd,
+ unsigned long arg)
{
int err = 0;
struct atm_vcc *vcc = ATM_SD(sock);
return -EPERM;
switch (cmd) {
- case ATMMPC_CTRL:
- err = atm_mpoa_mpoad_attach(vcc, (int)arg);
- if (err >= 0)
- sock->state = SS_CONNECTED;
- break;
- case ATMMPC_DATA:
- err = atm_mpoa_vcc_attach(vcc, (void __user *)arg);
- break;
- default:
- break;
+ case ATMMPC_CTRL:
+ err = atm_mpoa_mpoad_attach(vcc, (int)arg);
+ if (err >= 0)
+ sock->state = SS_CONNECTED;
+ break;
+ case ATMMPC_DATA:
+ err = atm_mpoa_vcc_attach(vcc, (void __user *)arg);
+ break;
+ default:
+ break;
}
return err;
}
-
static struct atm_ioctl atm_ioctl_ops = {
.owner = THIS_MODULE,
.ioctl = atm_mpoa_ioctl,
if (mpc_proc_init() != 0)
pr_info("failed to initialize /proc/mpoa\n");
- printk("mpc.c: " __DATE__ " " __TIME__ " initialized\n");
+ pr_info("mpc.c: " __DATE__ " " __TIME__ " initialized\n");
return 0;
}
projects / GitHub / MotorolaMobilityLLC / kernel-slsi.git / commitdiff