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