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path: root/drivers/net/netconsole.c
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Diffstat (limited to 'drivers/net/netconsole.c')
-rw-r--r--drivers/net/netconsole.c122
1 files changed, 62 insertions, 60 deletions
diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c
index 56ba64fbb0..7acd5b0050 100644
--- a/drivers/net/netconsole.c
+++ b/drivers/net/netconsole.c
@@ -29,81 +29,82 @@
DECLARE_GLOBAL_DATA_PTR;
static char input_buffer[512];
-static int input_size = 0; /* char count in input buffer */
-static int input_offset = 0; /* offset to valid chars in input buffer */
-static int input_recursion = 0;
-static int output_recursion = 0;
+static int input_size; /* char count in input buffer */
+static int input_offset; /* offset to valid chars in input buffer */
+static int input_recursion;
+static int output_recursion;
static int net_timeout;
-static uchar nc_ether[6]; /* server enet address */
-static IPaddr_t nc_ip; /* server ip */
-static short nc_port; /* source/target port */
-static const char *output_packet; /* used by first send udp */
-static int output_packet_len = 0;
+static uchar nc_ether[6]; /* server enet address */
+static IPaddr_t nc_ip; /* server ip */
+static short nc_port; /* source/target port */
+static const char *output_packet; /* used by first send udp */
+static int output_packet_len;
static void nc_wait_arp_handler(uchar *pkt, unsigned dest,
IPaddr_t sip, unsigned src,
unsigned len)
{
- NetState = NETLOOP_SUCCESS; /* got arp reply - quit net loop */
+ NetState = NETLOOP_SUCCESS; /* got arp reply - quit net loop */
}
static void nc_handler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src,
unsigned len)
{
if (input_size)
- NetState = NETLOOP_SUCCESS; /* got input - quit net loop */
+ NetState = NETLOOP_SUCCESS; /* got input - quit net loop */
}
-static void nc_timeout (void)
+static void nc_timeout(void)
{
NetState = NETLOOP_SUCCESS;
}
-void NcStart (void)
+void NcStart(void)
{
- if (!output_packet_len || memcmp (nc_ether, NetEtherNullAddr, 6)) {
+ if (!output_packet_len || memcmp(nc_ether, NetEtherNullAddr, 6)) {
/* going to check for input packet */
- NetSetHandler (nc_handler);
- NetSetTimeout (net_timeout, nc_timeout);
+ NetSetHandler(nc_handler);
+ NetSetTimeout(net_timeout, nc_timeout);
} else {
/* send arp request */
uchar *pkt;
- NetSetHandler (nc_wait_arp_handler);
- pkt = (uchar *) NetTxPacket + NetEthHdrSize () + IP_HDR_SIZE;
- memcpy (pkt, output_packet, output_packet_len);
- NetSendUDPPacket (nc_ether, nc_ip, nc_port, nc_port, output_packet_len);
+ NetSetHandler(nc_wait_arp_handler);
+ pkt = (uchar *)NetTxPacket + NetEthHdrSize() + IP_HDR_SIZE;
+ memcpy(pkt, output_packet, output_packet_len);
+ NetSendUDPPacket(nc_ether, nc_ip, nc_port, nc_port,
+ output_packet_len);
}
}
-int nc_input_packet (uchar * pkt, unsigned dest, unsigned src, unsigned len)
+int nc_input_packet(uchar *pkt, unsigned dest, unsigned src, unsigned len)
{
int end, chunk;
if (dest != nc_port || !len)
- return 0; /* not for us */
+ return 0; /* not for us */
- if (input_size == sizeof input_buffer)
- return 1; /* no space */
- if (len > sizeof input_buffer - input_size)
- len = sizeof input_buffer - input_size;
+ if (input_size == sizeof(input_buffer))
+ return 1; /* no space */
+ if (len > sizeof(input_buffer) - input_size)
+ len = sizeof(input_buffer) - input_size;
end = input_offset + input_size;
- if (end > sizeof input_buffer)
- end -= sizeof input_buffer;
+ if (end > sizeof(input_buffer))
+ end -= sizeof(input_buffer);
chunk = len;
- if (end + len > sizeof input_buffer) {
- chunk = sizeof input_buffer - end;
+ if (end + len > sizeof(input_buffer)) {
+ chunk = sizeof(input_buffer) - end;
memcpy(input_buffer, pkt + chunk, len - chunk);
}
- memcpy (input_buffer + end, pkt, chunk);
+ memcpy(input_buffer + end, pkt, chunk);
input_size += len;
return 1;
}
-static void nc_send_packet (const char *buf, int len)
+static void nc_send_packet(const char *buf, int len)
{
struct eth_device *eth;
int inited = 0;
@@ -111,33 +112,33 @@ static void nc_send_packet (const char *buf, int len)
uchar *ether;
IPaddr_t ip;
- if ((eth = eth_get_dev ()) == NULL) {
+ eth = eth_get_dev();
+ if (eth == NULL)
return;
- }
- if (!memcmp (nc_ether, NetEtherNullAddr, 6)) {
+ if (!memcmp(nc_ether, NetEtherNullAddr, 6)) {
if (eth->state == ETH_STATE_ACTIVE)
return; /* inside net loop */
output_packet = buf;
output_packet_len = len;
- NetLoop (NETCONS); /* wait for arp reply and send packet */
+ NetLoop(NETCONS); /* wait for arp reply and send packet */
output_packet_len = 0;
return;
}
if (eth->state != ETH_STATE_ACTIVE) {
- if (eth_init (gd->bd) < 0)
+ if (eth_init(gd->bd) < 0)
return;
inited = 1;
}
- pkt = (uchar *) NetTxPacket + NetEthHdrSize () + IP_HDR_SIZE;
- memcpy (pkt, buf, len);
+ pkt = (uchar *)NetTxPacket + NetEthHdrSize() + IP_HDR_SIZE;
+ memcpy(pkt, buf, len);
ether = nc_ether;
ip = nc_ip;
- NetSendUDPPacket (ether, ip, nc_port, nc_port, len);
+ NetSendUDPPacket(ether, ip, nc_port, nc_port, len);
if (inited)
- eth_halt ();
+ eth_halt();
}
static int nc_start(void)
@@ -146,26 +147,27 @@ static int nc_start(void)
nc_port = 6666; /* default port */
- if (getenv ("ncip")) {
+ if (getenv("ncip")) {
char *p;
- nc_ip = getenv_IPaddr ("ncip");
+ nc_ip = getenv_IPaddr("ncip");
if (!nc_ip)
return -1; /* ncip is 0.0.0.0 */
- if ((p = strchr (getenv ("ncip"), ':')) != NULL)
- nc_port = simple_strtoul (p + 1, NULL, 10);
+ p = strchr(getenv("ncip"), ':');
+ if (p != NULL)
+ nc_port = simple_strtoul(p + 1, NULL, 10);
} else
nc_ip = ~0; /* ncip is not set */
- our_ip = getenv_IPaddr ("ipaddr");
- netmask = getenv_IPaddr ("netmask");
+ our_ip = getenv_IPaddr("ipaddr");
+ netmask = getenv_IPaddr("netmask");
if (nc_ip == ~0 || /* 255.255.255.255 */
((netmask & our_ip) == (netmask & nc_ip) && /* on the same net */
- (netmask | nc_ip) == ~0)) /* broadcast to our net */
- memset (nc_ether, 0xff, sizeof nc_ether);
+ (netmask | nc_ip) == ~0)) /* broadcast to our net */
+ memset(nc_ether, 0xff, sizeof(nc_ether));
else
- memset (nc_ether, 0, sizeof nc_ether); /* force arp request */
+ memset(nc_ether, 0, sizeof(nc_ether)); /* force arp request */
return 0;
}
@@ -176,7 +178,7 @@ static void nc_putc(char c)
return;
output_recursion = 1;
- nc_send_packet (&c, 1);
+ nc_send_packet(&c, 1);
output_recursion = 0;
}
@@ -208,14 +210,14 @@ static int nc_getc(void)
net_timeout = 0; /* no timeout */
while (!input_size)
- NetLoop (NETCONS);
+ NetLoop(NETCONS);
input_recursion = 0;
c = input_buffer[input_offset++];
- if (input_offset >= sizeof input_buffer)
- input_offset -= sizeof input_buffer;
+ if (input_offset >= sizeof(input_buffer))
+ input_offset -= sizeof(input_buffer);
input_size--;
return c;
@@ -231,28 +233,28 @@ static int nc_tstc(void)
if (input_size)
return 1;
- eth = eth_get_dev ();
+ eth = eth_get_dev();
if (eth && eth->state == ETH_STATE_ACTIVE)
return 0; /* inside net loop */
input_recursion = 1;
net_timeout = 1;
- NetLoop (NETCONS); /* kind of poll */
+ NetLoop(NETCONS); /* kind of poll */
input_recursion = 0;
return input_size != 0;
}
-int drv_nc_init (void)
+int drv_nc_init(void)
{
struct stdio_dev dev;
int rc;
- memset (&dev, 0, sizeof (dev));
+ memset(&dev, 0, sizeof(dev));
- strcpy (dev.name, "nc");
+ strcpy(dev.name, "nc");
dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM;
dev.start = nc_start;
dev.putc = nc_putc;
@@ -260,7 +262,7 @@ int drv_nc_init (void)
dev.getc = nc_getc;
dev.tstc = nc_tstc;
- rc = stdio_register (&dev);
+ rc = stdio_register(&dev);
return (rc == 0) ? 1 : rc;
}
generated by cgit (git 2.34.1) at 2024-12-27 13:21:13 +0000