Commit b596ce68 authored by David S. Miller's avatar David S. Miller

Merge branch 'hdlc_cisco-cleanups'

Peng Li says:

====================
net: hdlc_cisco: clean up some code style issues

This patchset clean up some code style issues.
====================
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parents dd0d91b9 4a20f8ec
...@@ -28,13 +28,11 @@ ...@@ -28,13 +28,11 @@
#define CISCO_ADDR_REPLY 1 /* Cisco address reply */ #define CISCO_ADDR_REPLY 1 /* Cisco address reply */
#define CISCO_KEEPALIVE_REQ 2 /* Cisco keepalive request */ #define CISCO_KEEPALIVE_REQ 2 /* Cisco keepalive request */
struct hdlc_header { struct hdlc_header {
u8 address; u8 address;
u8 control; u8 control;
__be16 protocol; __be16 protocol;
}__packed; } __packed;
struct cisco_packet { struct cisco_packet {
__be32 type; /* code */ __be32 type; /* code */
...@@ -42,11 +40,10 @@ struct cisco_packet { ...@@ -42,11 +40,10 @@ struct cisco_packet {
__be32 par2; __be32 par2;
__be16 rel; /* reliability */ __be16 rel; /* reliability */
__be32 time; __be32 time;
}__packed; } __packed;
#define CISCO_PACKET_LEN 18 #define CISCO_PACKET_LEN 18
#define CISCO_BIG_PACKET_LEN 20 #define CISCO_BIG_PACKET_LEN 20
struct cisco_state { struct cisco_state {
cisco_proto settings; cisco_proto settings;
...@@ -59,16 +56,13 @@ struct cisco_state { ...@@ -59,16 +56,13 @@ struct cisco_state {
u32 rxseq; /* RX sequence number */ u32 rxseq; /* RX sequence number */
}; };
static int cisco_ioctl(struct net_device *dev, struct ifreq *ifr); static int cisco_ioctl(struct net_device *dev, struct ifreq *ifr);
static inline struct cisco_state *state(hdlc_device *hdlc)
static inline struct cisco_state* state(hdlc_device *hdlc)
{ {
return (struct cisco_state *)hdlc->state; return (struct cisco_state *)hdlc->state;
} }
static int cisco_hard_header(struct sk_buff *skb, struct net_device *dev, static int cisco_hard_header(struct sk_buff *skb, struct net_device *dev,
u16 type, const void *daddr, const void *saddr, u16 type, const void *daddr, const void *saddr,
unsigned int len) unsigned int len)
...@@ -79,7 +73,7 @@ static int cisco_hard_header(struct sk_buff *skb, struct net_device *dev, ...@@ -79,7 +73,7 @@ static int cisco_hard_header(struct sk_buff *skb, struct net_device *dev,
#endif #endif
skb_push(skb, sizeof(struct hdlc_header)); skb_push(skb, sizeof(struct hdlc_header));
data = (struct hdlc_header*)skb->data; data = (struct hdlc_header *)skb->data;
if (type == CISCO_KEEPALIVE) if (type == CISCO_KEEPALIVE)
data->address = CISCO_MULTICAST; data->address = CISCO_MULTICAST;
else else
...@@ -90,8 +84,6 @@ static int cisco_hard_header(struct sk_buff *skb, struct net_device *dev, ...@@ -90,8 +84,6 @@ static int cisco_hard_header(struct sk_buff *skb, struct net_device *dev,
return sizeof(struct hdlc_header); return sizeof(struct hdlc_header);
} }
static void cisco_keepalive_send(struct net_device *dev, u32 type, static void cisco_keepalive_send(struct net_device *dev, u32 type,
__be32 par1, __be32 par2) __be32 par1, __be32 par2)
{ {
...@@ -100,13 +92,12 @@ static void cisco_keepalive_send(struct net_device *dev, u32 type, ...@@ -100,13 +92,12 @@ static void cisco_keepalive_send(struct net_device *dev, u32 type,
skb = dev_alloc_skb(sizeof(struct hdlc_header) + skb = dev_alloc_skb(sizeof(struct hdlc_header) +
sizeof(struct cisco_packet)); sizeof(struct cisco_packet));
if (!skb) { if (!skb)
netdev_warn(dev, "Memory squeeze on %s()\n", __func__);
return; return;
}
skb_reserve(skb, 4); skb_reserve(skb, 4);
cisco_hard_header(skb, dev, CISCO_KEEPALIVE, NULL, NULL, 0); cisco_hard_header(skb, dev, CISCO_KEEPALIVE, NULL, NULL, 0);
data = (struct cisco_packet*)(skb->data + 4); data = (struct cisco_packet *)(skb->data + 4);
data->type = htonl(type); data->type = htonl(type);
data->par1 = par1; data->par1 = par1;
...@@ -124,11 +115,9 @@ static void cisco_keepalive_send(struct net_device *dev, u32 type, ...@@ -124,11 +115,9 @@ static void cisco_keepalive_send(struct net_device *dev, u32 type,
dev_queue_xmit(skb); dev_queue_xmit(skb);
} }
static __be16 cisco_type_trans(struct sk_buff *skb, struct net_device *dev) static __be16 cisco_type_trans(struct sk_buff *skb, struct net_device *dev)
{ {
struct hdlc_header *data = (struct hdlc_header*)skb->data; struct hdlc_header *data = (struct hdlc_header *)skb->data;
if (skb->len < sizeof(struct hdlc_header)) if (skb->len < sizeof(struct hdlc_header))
return cpu_to_be16(ETH_P_HDLC); return cpu_to_be16(ETH_P_HDLC);
...@@ -148,13 +137,12 @@ static __be16 cisco_type_trans(struct sk_buff *skb, struct net_device *dev) ...@@ -148,13 +137,12 @@ static __be16 cisco_type_trans(struct sk_buff *skb, struct net_device *dev)
} }
} }
static int cisco_rx(struct sk_buff *skb) static int cisco_rx(struct sk_buff *skb)
{ {
struct net_device *dev = skb->dev; struct net_device *dev = skb->dev;
hdlc_device *hdlc = dev_to_hdlc(dev); hdlc_device *hdlc = dev_to_hdlc(dev);
struct cisco_state *st = state(hdlc); struct cisco_state *st = state(hdlc);
struct hdlc_header *data = (struct hdlc_header*)skb->data; struct hdlc_header *data = (struct hdlc_header *)skb->data;
struct cisco_packet *cisco_data; struct cisco_packet *cisco_data;
struct in_device *in_dev; struct in_device *in_dev;
__be32 addr, mask; __be32 addr, mask;
...@@ -183,10 +171,10 @@ static int cisco_rx(struct sk_buff *skb) ...@@ -183,10 +171,10 @@ static int cisco_rx(struct sk_buff *skb)
goto rx_error; goto rx_error;
} }
cisco_data = (struct cisco_packet*)(skb->data + sizeof cisco_data = (struct cisco_packet *)(skb->data + sizeof
(struct hdlc_header)); (struct hdlc_header));
switch (ntohl (cisco_data->type)) { switch (ntohl(cisco_data->type)) {
case CISCO_ADDR_REQ: /* Stolen from syncppp.c :-) */ case CISCO_ADDR_REQ: /* Stolen from syncppp.c :-) */
rcu_read_lock(); rcu_read_lock();
in_dev = __in_dev_get_rcu(dev); in_dev = __in_dev_get_rcu(dev);
...@@ -226,6 +214,7 @@ static int cisco_rx(struct sk_buff *skb) ...@@ -226,6 +214,7 @@ static int cisco_rx(struct sk_buff *skb)
st->last_poll = jiffies; st->last_poll = jiffies;
if (!st->up) { if (!st->up) {
u32 sec, min, hrs, days; u32 sec, min, hrs, days;
sec = ntohl(cisco_data->time) / 1000; sec = ntohl(cisco_data->time) / 1000;
min = sec / 60; sec -= min * 60; min = sec / 60; sec -= min * 60;
hrs = min / 60; min -= hrs * 60; hrs = min / 60; min -= hrs * 60;
...@@ -253,8 +242,6 @@ static int cisco_rx(struct sk_buff *skb) ...@@ -253,8 +242,6 @@ static int cisco_rx(struct sk_buff *skb)
return NET_RX_DROP; return NET_RX_DROP;
} }
static void cisco_timer(struct timer_list *t) static void cisco_timer(struct timer_list *t)
{ {
struct cisco_state *st = from_timer(st, t, timer); struct cisco_state *st = from_timer(st, t, timer);
...@@ -276,8 +263,6 @@ static void cisco_timer(struct timer_list *t) ...@@ -276,8 +263,6 @@ static void cisco_timer(struct timer_list *t)
add_timer(&st->timer); add_timer(&st->timer);
} }
static void cisco_start(struct net_device *dev) static void cisco_start(struct net_device *dev)
{ {
hdlc_device *hdlc = dev_to_hdlc(dev); hdlc_device *hdlc = dev_to_hdlc(dev);
...@@ -294,8 +279,6 @@ static void cisco_start(struct net_device *dev) ...@@ -294,8 +279,6 @@ static void cisco_start(struct net_device *dev)
add_timer(&st->timer); add_timer(&st->timer);
} }
static void cisco_stop(struct net_device *dev) static void cisco_stop(struct net_device *dev)
{ {
hdlc_device *hdlc = dev_to_hdlc(dev); hdlc_device *hdlc = dev_to_hdlc(dev);
...@@ -310,7 +293,6 @@ static void cisco_stop(struct net_device *dev) ...@@ -310,7 +293,6 @@ static void cisco_stop(struct net_device *dev)
spin_unlock_irqrestore(&st->lock, flags); spin_unlock_irqrestore(&st->lock, flags);
} }
static struct hdlc_proto proto = { static struct hdlc_proto proto = {
.start = cisco_start, .start = cisco_start,
.stop = cisco_stop, .stop = cisco_stop,
...@@ -359,7 +341,8 @@ static int cisco_ioctl(struct net_device *dev, struct ifreq *ifr) ...@@ -359,7 +341,8 @@ static int cisco_ioctl(struct net_device *dev, struct ifreq *ifr)
new_settings.timeout < 2) new_settings.timeout < 2)
return -EINVAL; return -EINVAL;
result = hdlc->attach(dev, ENCODING_NRZ,PARITY_CRC16_PR1_CCITT); result = hdlc->attach(dev, ENCODING_NRZ,
PARITY_CRC16_PR1_CCITT);
if (result) if (result)
return result; return result;
...@@ -381,21 +364,17 @@ static int cisco_ioctl(struct net_device *dev, struct ifreq *ifr) ...@@ -381,21 +364,17 @@ static int cisco_ioctl(struct net_device *dev, struct ifreq *ifr)
return -EINVAL; return -EINVAL;
} }
static int __init mod_init(void) static int __init mod_init(void)
{ {
register_hdlc_protocol(&proto); register_hdlc_protocol(&proto);
return 0; return 0;
} }
static void __exit mod_exit(void) static void __exit mod_exit(void)
{ {
unregister_hdlc_protocol(&proto); unregister_hdlc_protocol(&proto);
} }
module_init(mod_init); module_init(mod_init);
module_exit(mod_exit); module_exit(mod_exit);
......
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