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authorDavid S. Miller <davem@davemloft.net>2021-06-03 13:27:37 -0700
committerDavid S. Miller <davem@davemloft.net>2021-06-03 13:27:37 -0700
commitb596ce68fd4a51a4b0660d88a13d5b5584aa3e67 (patch)
tree378249ec56da175c8ecbe16908bfaddcd78399d7
parentdd0d91b9139899ba2546290ab282767600e0f358 (diff)
parent4a20f8ecbf61baae90948480ff521e1f5909c8b8 (diff)
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: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/wan/hdlc_cisco.c49
1 files changed, 14 insertions, 35 deletions
diff --git a/drivers/net/wan/hdlc_cisco.c b/drivers/net/wan/hdlc_cisco.c
index cb5898f7d68c..349ca18088e8 100644
--- a/drivers/net/wan/hdlc_cisco.c
+++ b/drivers/net/wan/hdlc_cisco.c
@@ -28,13 +28,11 @@
#define CISCO_ADDR_REPLY 1 /* Cisco address reply */
#define CISCO_KEEPALIVE_REQ 2 /* Cisco keepalive request */
-
struct hdlc_header {
u8 address;
u8 control;
__be16 protocol;
-}__packed;
-
+} __packed;
struct cisco_packet {
__be32 type; /* code */
@@ -42,11 +40,10 @@ struct cisco_packet {
__be32 par2;
__be16 rel; /* reliability */
__be32 time;
-}__packed;
+} __packed;
#define CISCO_PACKET_LEN 18
#define CISCO_BIG_PACKET_LEN 20
-
struct cisco_state {
cisco_proto settings;
@@ -59,16 +56,13 @@ struct cisco_state {
u32 rxseq; /* RX sequence number */
};
-
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;
}
-
static int cisco_hard_header(struct sk_buff *skb, struct net_device *dev,
u16 type, const void *daddr, const void *saddr,
unsigned int len)
@@ -79,7 +73,7 @@ static int cisco_hard_header(struct sk_buff *skb, struct net_device *dev,
#endif
skb_push(skb, sizeof(struct hdlc_header));
- data = (struct hdlc_header*)skb->data;
+ data = (struct hdlc_header *)skb->data;
if (type == CISCO_KEEPALIVE)
data->address = CISCO_MULTICAST;
else
@@ -90,8 +84,6 @@ static int cisco_hard_header(struct sk_buff *skb, struct net_device *dev,
return sizeof(struct hdlc_header);
}
-
-
static void cisco_keepalive_send(struct net_device *dev, u32 type,
__be32 par1, __be32 par2)
{
@@ -100,13 +92,12 @@ static void cisco_keepalive_send(struct net_device *dev, u32 type,
skb = dev_alloc_skb(sizeof(struct hdlc_header) +
sizeof(struct cisco_packet));
- if (!skb) {
- netdev_warn(dev, "Memory squeeze on %s()\n", __func__);
+ if (!skb)
return;
- }
+
skb_reserve(skb, 4);
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->par1 = par1;
@@ -124,11 +115,9 @@ static void cisco_keepalive_send(struct net_device *dev, u32 type,
dev_queue_xmit(skb);
}
-
-
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))
return cpu_to_be16(ETH_P_HDLC);
@@ -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)
{
struct net_device *dev = skb->dev;
hdlc_device *hdlc = dev_to_hdlc(dev);
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 in_device *in_dev;
__be32 addr, mask;
@@ -183,10 +171,10 @@ static int cisco_rx(struct sk_buff *skb)
goto rx_error;
}
- cisco_data = (struct cisco_packet*)(skb->data + sizeof
+ cisco_data = (struct cisco_packet *)(skb->data + sizeof
(struct hdlc_header));
- switch (ntohl (cisco_data->type)) {
+ switch (ntohl(cisco_data->type)) {
case CISCO_ADDR_REQ: /* Stolen from syncppp.c :-) */
rcu_read_lock();
in_dev = __in_dev_get_rcu(dev);
@@ -226,6 +214,7 @@ static int cisco_rx(struct sk_buff *skb)
st->last_poll = jiffies;
if (!st->up) {
u32 sec, min, hrs, days;
+
sec = ntohl(cisco_data->time) / 1000;
min = sec / 60; sec -= min * 60;
hrs = min / 60; min -= hrs * 60;
@@ -253,8 +242,6 @@ rx_error:
return NET_RX_DROP;
}
-
-
static void cisco_timer(struct timer_list *t)
{
struct cisco_state *st = from_timer(st, t, timer);
@@ -276,8 +263,6 @@ static void cisco_timer(struct timer_list *t)
add_timer(&st->timer);
}
-
-
static void cisco_start(struct net_device *dev)
{
hdlc_device *hdlc = dev_to_hdlc(dev);
@@ -294,8 +279,6 @@ static void cisco_start(struct net_device *dev)
add_timer(&st->timer);
}
-
-
static void cisco_stop(struct net_device *dev)
{
hdlc_device *hdlc = dev_to_hdlc(dev);
@@ -310,7 +293,6 @@ static void cisco_stop(struct net_device *dev)
spin_unlock_irqrestore(&st->lock, flags);
}
-
static struct hdlc_proto proto = {
.start = cisco_start,
.stop = cisco_stop,
@@ -359,7 +341,8 @@ static int cisco_ioctl(struct net_device *dev, struct ifreq *ifr)
new_settings.timeout < 2)
return -EINVAL;
- result = hdlc->attach(dev, ENCODING_NRZ,PARITY_CRC16_PR1_CCITT);
+ result = hdlc->attach(dev, ENCODING_NRZ,
+ PARITY_CRC16_PR1_CCITT);
if (result)
return result;
@@ -381,21 +364,17 @@ static int cisco_ioctl(struct net_device *dev, struct ifreq *ifr)
return -EINVAL;
}
-
static int __init mod_init(void)
{
register_hdlc_protocol(&proto);
return 0;
}
-
-
static void __exit mod_exit(void)
{
unregister_hdlc_protocol(&proto);
}
-
module_init(mod_init);
module_exit(mod_exit);