void Test_uip_arp_arpin_2(CuTest *tc) {
u8_t temp_buf[]= "\x11\x22\x33\x44\x55\x66\x77\x88\x99\x00\xAA\xBB\x08\x06"
"\x00\x01"
"\x08\x00"
"\x06"
"\x04"
"\x00\x02"
"\x77\x88\x99\x00\xAA\xBB"
"\xC0\xA8\x00\x03"
"\x11\x22\x33\x44\x55\x66"
"\xC0\xA8\x00\x02"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00";
u8_t expect_buf[]= "\x77\x88\x99\x00\xAA\xBB\x11\x22\x33\x44\x55\x66\x08\x06"
"\x00\x01"
"\x08\x00"
"\x06"
"\x04"
"\x00\x02"
"\x11\x22\x33\x44\x55\x66"
"\xC0\xA8\x00\x02"
"\x77\x88\x99\x00\xAA\xBB"
"\xC0\xA8\x00\x03";
memcpy(uip_buf,temp_buf,60);
uip_len=42;
uip_arp_arpin();
CuAssertIntEquals_Msg(tc,"arpin_len 2",0,uip_len);
CuAssertTrue_Msg(tc,"tabl check 2",0==memcmp(arp_table,"\xC0\xA8\x00\x03"
"\x77\x88\x99\x00\xAA\xBB\x00",11));
}
/*---------------------------------------------------------------------------*/
static void
pollhandler(void)
{
process_poll(ðernet_process);
uip_len = ethernet_poll();
if(uip_len > 0) {
#if UIP_CONF_IPV6
if(BUF->type == uip_htons(UIP_ETHTYPE_IPV6)) {
uip_neighbor_add(&IPBUF->srcipaddr, &BUF->src);
tcpip_input();
} else
#endif /* UIP_CONF_IPV6 */
if(BUF->type == uip_htons(UIP_ETHTYPE_IP)) {
uip_len -= sizeof(struct uip_eth_hdr);
tcpip_input();
} else if(BUF->type == uip_htons(UIP_ETHTYPE_ARP)) {
uip_arp_arpin();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0) {
ethernet_send();
}
}
}
}
/*---------------------------------------------------------------------------*/
static void
pollhandler(void)
{
uip_len = tapdev_poll();
if(uip_len > 0) {
#if UIP_CONF_IPV6
if(BUF->type == uip_htons(UIP_ETHTYPE_IPV6)) {
tcpip_input();
} else
#endif /* UIP_CONF_IPV6 */
if(BUF->type == uip_htons(UIP_ETHTYPE_IP)) {
uip_len -= sizeof(struct uip_eth_hdr);
tcpip_input();
} else if(BUF->type == uip_htons(UIP_ETHTYPE_ARP)) {
#if !UIP_CONF_IPV6 //math
uip_arp_arpin();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0) {
tapdev_send();
}
#endif
} else {
uip_len = 0;
}
}
}
void xtcp_process_incoming_packet(chanend mac_tx)
{
if (BUF->type == htons(UIP_ETHTYPE_IP)) {
uip_arp_ipin();
uip_input();
if (uip_len > 0) {
if (uip_udpconnection()
&& (TCPBUF->proto != UIP_PROTO_ICMP)
&& (TCPBUF->proto != UIP_PROTO_IGMP))
uip_arp_out( uip_udp_conn);
else
uip_arp_out( NULL);
xtcp_tx_buffer(mac_tx);
}
} else if (BUF->type == htons(UIP_ETHTYPE_ARP)) {
uip_arp_arpin();
if (uip_len > 0) {
xtcp_tx_buffer(mac_tx);
}
for (int i = 0; i < UIP_UDP_CONNS; i++) {
uip_udp_arp_event(i);
if (uip_len > 0) {
uip_arp_out(&uip_udp_conns[i]);
xtcp_tx_buffer(mac_tx);
}
}
}
}
void ethernet_service(void) {
int i;
struct uip_eth_hdr *buf = (struct uip_eth_hdr *)&uip_buf[0];
etimer_request_poll();
process_run();
uip_len = liteethmac_poll();
if(uip_len > 0) {
if(buf->type == uip_htons(UIP_ETHTYPE_IP)) {
uip_arp_ipin();
uip_input();
if(uip_len > 0) {
uip_arp_out();
liteethmac_send();
}
} else if(buf->type == uip_htons(UIP_ETHTYPE_ARP)) {
uip_arp_arpin();
if(uip_len > 0)
liteethmac_send();
}
} else if (elapsed(&uip_periodic_event, uip_periodic_period)) {
for(i = 0; i < UIP_CONNS; i++) {
uip_periodic(i);
if(uip_len > 0) {
uip_arp_out();
liteethmac_send();
}
}
}
if (elapsed(&uip_arp_event, uip_arp_period)) {
uip_arp_timer();
}
}
int netif_rx(u8_t *p, u16_t len)
{
/*avoid Rx packet length > UIP buffer size and cause UIP buffer overflow*/
if (len <= UIP_BUFSIZE + 2) {
mt76xx_dev_read(p, len);
} else {
printf_high("netif_rx length error: %d > %d\n", len, UIP_BUFSIZE + 2);
return -1;
}
if (uip_len > 0) {
if (BUF->type == htons(UIP_ETHTYPE_IP)) {
uip_arp_ipin();
uip_input();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if (uip_len > 0) {
uip_arp_out();
mt76xx_dev_send();
}
} else if (BUF->type == htons(UIP_ETHTYPE_ARP)) {
uip_arp_arpin();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if (uip_len > 0) {
mt76xx_dev_send();
}
}
}
return 0;
}
/*---------------------------------------------------------------------------*/
static void
pollhandler(void)
{
#define BUF ((struct uip_eth_hdr *)&uip_buf[0])
/* Poll Ethernet device to see if there is a frame avaliable. */
uip_len = cs8900a_poll();
if(uip_len > 0) {
/* A frame was avaliable (and is now read into the uip_buf), so
we process it. */
if(BUF->type == HTONS(UIP_ETHTYPE_IP)) {
uip_arp_ipin();
uip_len -= sizeof(struct uip_eth_hdr);
tcpip_input();
} else if(BUF->type == HTONS(UIP_ETHTYPE_ARP)) {
uip_arp_arpin();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0) {
cs8900a_send();
}
}
}
}
void Network::handlePacket(void)
{
if (uip_len > 0) { /* received packet */
//printf("handlePacket: %d\n", uip_len);
if (BUF->type == htons(UIP_ETHTYPE_IP)) { /* IP packet */
uip_arp_ipin();
uip_input();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if (uip_len > 0) {
uip_arp_out();
network_device_send();
}
} else if (BUF->type == htons(UIP_ETHTYPE_ARP)) { /*ARP packet */
uip_arp_arpin();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if (uip_len > 0) {
tapdev_send(uip_buf, uip_len); /* ARP ack*/
}
} else {
printf("Unknown ethernet packet type %04X\n", htons(BUF->type));
uip_len = 0;
}
}
}
void deal(){
int i;
if(uip_len > 0) {
if(BUF_IF->type == htons(UIP_ETHTYPE_IP)) {
uip_arp_ipin();
uip_input();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0) {
uip_arp_out();
current_dev->eth_tx(current_dev, uip_buf, uip_len);
}
} else if(BUF_IF->type == htons(UIP_ETHTYPE_ARP)) {
uip_arp_arpin();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0) {
current_dev->eth_tx(current_dev, uip_buf, uip_len);
}
}
} else if(timer_expired(&periodic_timer)) {
timer_reset(&periodic_timer);
for(i = 0; i < UIP_CONNS; i++) {
uip_periodic(i);
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0) {
uip_arp_out();
current_dev->eth_tx(current_dev, uip_buf, uip_len);
}
}
#if UIP_UDP
for(i = 0; i < UIP_UDP_CONNS; i++) {
uip_udp_periodic(i);
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0) {
uip_arp_out();
current_dev->eth_tx(current_dev, uip_buf, uip_len);
}
}
#endif /* UIP_UDP */
/* Call the ARP timer function every 10 seconds. */
if(timer_expired(&arp_timer)) {
timer_reset(&arp_timer);
uip_arp_timer();
}
}
//rt_exit_critical();
return 0;
}
void NanodeUIP::poll(void) {
int i;
uip_len = enc28j60PacketReceive(UIP_BUFSIZE,uip_buf);
if(uip_len > 0) {
if(BUF->type == UIP_HTONS(UIP_ETHTYPE_IP)) {
uip_arp_ipin();
uip_input();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0) {
uip_arp_out();
enc28j60PacketSend(uip_len,uip_buf);
}
} else if(BUF->type == UIP_HTONS(UIP_ETHTYPE_ARP)) {
uip_arp_arpin();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0) {
enc28j60PacketSend(uip_len,uip_buf);
}
}
} else if(timer_expired(&periodic_timer)) {
timer_reset(&periodic_timer);
for(i = 0; i < UIP_CONNS; i++) {
uip_periodic(i);
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0) {
uip_arp_out();
enc28j60PacketSend(uip_len,uip_buf);
}
}
#if UIP_UDP
for(i = 0; i < UIP_UDP_CONNS; i++) {
uip_udp_periodic(i);
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0) {
uip_arp_out();
enc28j60PacketSend(uip_len,uip_buf);
}
}
#endif /* UIP_UDP */
/* Call the ARP timer function every 10 seconds. */
if(timer_expired(&arp_timer)) {
timer_reset(&arp_timer);
uip_arp_timer();
}
}
}
/**
* @brief Process Network
* @param None
* @retval None
*/
void Network_Process(void)
{
static uint8_t arp_counter = 0;
int i;
for (i = 0; i < UIP_CONNS; i++)
{
uip_periodic(i);
if (uip_len > 0)
{
uip_arp_out();
enc28j60_send_packet((uint8_t *)uip_buf, uip_len);
}
}
#if UIP_UDP
for (i = 0; i < UIP_UDP_CONNS; i++)
{
uip_udp_periodic(i);
if (uip_len > 0)
{
uip_arp_out();
network_send();
}
}
#endif /* UIP_UDP */
if (++arp_counter >= 50)
{
arp_counter = 0;
uip_arp_timer();
}
uip_len = enc28j60_recv_packet((uint8_t *)uip_buf, UIP_BUFSIZE);
if (uip_len > 0)
{
if (((struct uip_eth_hdr *)&uip_buf[0])->type == htons(UIP_ETHTYPE_IP))
{
uip_arp_ipin();
uip_input();
if (uip_len > 0)
{
uip_arp_out();
enc28j60_send_packet((uint8_t *)uip_buf, uip_len);
}
}
else if (((struct uip_eth_hdr *)&uip_buf[0])->type == htons(UIP_ETHTYPE_ARP))
{
uip_arp_arpin();
if (uip_len > 0)
{
enc28j60_send_packet((uint8_t *)uip_buf, uip_len);
}
}
}
}
/**
*******************************************************************************************
* @fn void TcpIpMain(void)
* @brief Update the uIP stack.
* @return None
* @attention
*******************************************************************************************
*/
void TcpIpMain(void)
{
uint8_t Index;
uip_len = nic_poll();
if (uip_len == 0)
{
// If timed out, call periodic function for each connection
if (TcpIpUipTimerCounter >= TCP_IP_CNT_TIME)
{
TcpIpUipTimerCounter = 0;
for (Index = 0; Index < UIP_CONNS; Index++)
{
uip_periodic(Index);
if (uip_len > 0)
{
uip_arp_out();
nic_send();
}
}
/* Call the ARP timer function every ~10 seconds. */
if (++TcpIpUipArpTimerCounter >= TCP_IP_ARP_CNT_TIME)
{
uip_arp_timer();
TcpIpUipArpTimerCounter = 0;
}
}
}
else // packet received
{
// process an IP packet
if (TCP_IP_BUF->type == htons(UIP_ETHTYPE_IP))
{
uip_arp_ipin();
uip_input();
if (uip_len > 0)
{
uip_arp_out();
nic_send();
}
}
// process an ARP packet
else if (TCP_IP_BUF->type == htons(UIP_ETHTYPE_ARP))
{
uip_arp_arpin();
if (uip_len > 0)
nic_send();
}
TcpIpUipTimerCounter = 0;
}
}
void rtos_vnet_recv(struct rgmp_vnet *vnet_dummy, char *data, int len)
{
// now only support 1 vnet
struct vnet_driver_s *vnet = &g_vnet[0];
do {
/* Check for errors and update statistics */
/* Check if the packet is a valid size for the uIP buffer configuration */
if (len > CONFIG_NET_BUFSIZE || len < 14) {
#ifdef CONFIG_DEBUG
cprintf("VNET: receive invalid packet of size %d\n", len);
#endif
return;
}
// Copy the data data from the hardware to vnet->sk_dev.d_buf. Set
// amount of data in vnet->sk_dev.d_len
memcpy(vnet->sk_dev.d_buf, data, len);
vnet->sk_dev.d_len = len;
/* We only accept IP packets of the configured type and ARP packets */
#ifdef CONFIG_NET_IPv6
if (BUF->type == HTONS(UIP_ETHTYPE_IP6))
#else
if (BUF->type == HTONS(UIP_ETHTYPE_IP))
#endif
{
uip_arp_ipin(&vnet->sk_dev);
uip_input(&vnet->sk_dev);
// If the above function invocation resulted in data that should be
// sent out on the network, the field d_len will set to a value > 0.
if (vnet->sk_dev.d_len > 0) {
uip_arp_out(&vnet->sk_dev);
vnet_transmit(vnet);
}
}
else if (BUF->type == htons(UIP_ETHTYPE_ARP)) {
uip_arp_arpin(&vnet->sk_dev);
// If the above function invocation resulted in data that should be
// sent out on the network, the field d_len will set to a value > 0.
if (vnet->sk_dev.d_len > 0) {
vnet_transmit(vnet);
}
}
}
while (0); /* While there are more packets to be processed */
}
static void skel_receive(FAR struct skel_driver_s *skel)
{
do
{
/* Check for errors and update statistics */
/* Check if the packet is a valid size for the uIP buffer configuration */
/* Copy the data data from the hardware to skel->sk_dev.d_buf. Set
* amount of data in skel->sk_dev.d_len
*/
/* We only accept IP packets of the configured type and ARP packets */
#ifdef CONFIG_NET_IPv6
if (BUF->type == HTONS(UIP_ETHTYPE_IP6))
#else
if (BUF->type == HTONS(UIP_ETHTYPE_IP))
#endif
{
uip_arp_ipin(&skel->sk_dev);
uip_input(&skel->sk_dev);
/* If the above function invocation resulted in data that should be
* sent out on the network, the field d_len will set to a value > 0.
*/
if (skel->sk_dev.d_len > 0)
{
uip_arp_out(&skel->sk_dev);
skel_transmit(skel);
}
}
else if (BUF->type == htons(UIP_ETHTYPE_ARP))
{
uip_arp_arpin(&skel->sk_dev);
/* If the above function invocation resulted in data that should be
* sent out on the network, the field d_len will set to a value > 0.
*/
if (skel->sk_dev.d_len > 0)
{
skel_transmit(skel);
}
}
}
while (); /* While there are more packets to be processed */
}
PROCESS_THREAD(network_process, ev, data) {
PROCESS_BEGIN();
while(1) {
PROCESS_PAUSE();
uip_len = enc28j60_read(uip_buf, UIP_BUFSIZE);
if (uip_len > 0) {
HAL_IWDG_Refresh(&hiwdg);
struct uip_eth_hdr *header = ((struct uip_eth_hdr *)&uip_buf[0]);
uint16_t packetType = header->type;
#ifdef ENC28J60_DEBUG
printf("?receivePacket: len: %d, dest: %02x:%02x:%02x:%02x:%02x:%02x, src: %02x:%02x:%02x:%02x:%02x:%02x, type: %d\n",
uip_len,
header->dest.addr[0], header->dest.addr[1], header->dest.addr[2], header->dest.addr[3], header->dest.addr[4], header->dest.addr[5],
header->src.addr[0], header->src.addr[1], header->src.addr[2], header->src.addr[3], header->src.addr[4], header->src.addr[5],
packetType
);
for (int i = 0; i < uip_len; i++) {
printf("%02x ", uip_buf[i]);
}
printf("\n");
#endif
if (packetType == UIP_HTONS(UIP_ETHTYPE_IP)) {
#ifdef ENC28J60_DEBUG
printf("?readPacket type IP\n");
#endif
uip_arp_ipin();
uip_input();
if (uip_len > 0) {
uip_arp_out();
enc28j60_send(uip_buf, uip_len + sizeof(struct uip_eth_hdr));
}
} else if (packetType == UIP_HTONS(UIP_ETHTYPE_ARP)) {
#ifdef ENC28J60_DEBUG
printf("?readPacket type ARP\n");
#endif
uip_arp_arpin();
if (uip_len > 0) {
enc28j60_send(uip_buf, uip_len + sizeof(struct uip_eth_hdr));
}
}
}
}
PROCESS_END();
}
/**
* Receive a single packet.
* The contents will be placed in uip_buf, and uIP is called
* as appropriate.
*/
void enc_receive_packet(void) {
/* Receive a single packet */
uint8_t header[6];
uint8_t *status = header + 2;
WRITE_REG(ENC_ERDPTL, enc_next_packet & 0xFF);
WRITE_REG(ENC_ERDPTH, (enc_next_packet >> 8) & 0xFF);
enc_rbm(header, 6);
/* Update next packet pointer */
enc_next_packet = header[0] | (header[1] << 8);
uint16_t data_count = status[0] | (status[1] << 8);
if (status[2] & (1 << 7)) {
uip_len = data_count;
enc_rbm(uip_buf, data_count);
if( BUF->type == htons(UIP_ETHTYPE_IP) ) {
uip_arp_ipin();
uip_input();
if( uip_len > 0 ) {
uip_arp_out();
enc_send_packet(uip_buf, uip_len);
uip_len = 0;
}
} else if( BUF->type == htons(UIP_ETHTYPE_ARP) ) {
uip_arp_arpin();
if( uip_len > 0 ) {
//uip_arp_out();
enc_send_packet(uip_buf, uip_len);
uip_len = 0;
}
}
}
uint16_t erxst = READ_REG(ENC_ERXSTL) | (READ_REG(ENC_ERXSTH) << 8);
/* Mark packet as read */
if (enc_next_packet == erxst) {
WRITE_REG(ENC_ERXRDPTL, READ_REG(ENC_ERXNDL));
WRITE_REG(ENC_ERXRDPTH, READ_REG(ENC_ERXNDH));
} else {
WRITE_REG(ENC_ERXRDPTL, (enc_next_packet-1) & 0xFF);
WRITE_REG(ENC_ERXRDPTH, ((enc_next_packet-1) >> 8) & 0xFF);
}
SET_REG_BITS(ENC_ECON2, ENC_ECON2_PKTDEC);
}
/** Processes Incoming packets to the server from the connected RNDIS device, creating responses as needed. */
static void uIPManagement_ProcessIncomingPacket(void)
{
/* If no packet received, exit processing routine */
if (!(RNDIS_Host_IsPacketReceived(&Ethernet_RNDIS_Interface)))
return;
LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
/* Read the Incoming packet straight into the UIP packet buffer */
RNDIS_Host_ReadPacket(&Ethernet_RNDIS_Interface, uip_buf, &uip_len);
/* If the packet contains an Ethernet frame, process it */
if (uip_len > 0)
{
switch (((struct uip_eth_hdr*)uip_buf)->type)
{
case HTONS(UIP_ETHTYPE_IP):
/* Filter packet by MAC destination */
uip_arp_ipin();
/* Process Incoming packet */
uip_input();
/* If a response was generated, send it */
if (uip_len > 0)
{
/* Add destination MAC to outgoing packet */
uip_arp_out();
uip_split_output();
}
break;
case HTONS(UIP_ETHTYPE_ARP):
/* Process ARP packet */
uip_arp_arpin();
/* If a response was generated, send it */
if (uip_len > 0)
uip_split_output();
break;
}
}
LEDs_SetAllLEDs(LEDMASK_USB_READY | ((HaveIPConfiguration) ? LEDMASK_UIP_READY_CONFIG : LEDMASK_UIP_READY_NOCONFIG));
}
int _kernel_net_uip_recv(desc_t desc_r,desc_t desc_w){
if(desc_r<0 || desc_w<0)
return -1;
uip_len = g_pf_net_recv_ip_packet(desc_r,uip_buf, sizeof(uip_buf));
if(uip_len > 0) {
#if defined(USE_IF_ETHERNET)
if(__eth_hdr->type == htons(UIP_ETHTYPE_IP)) {
uip_arp_ipin();
uip_process(UIP_DATA);
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0) {
uip_arp_out();
g_pf_net_send_ip_packet(desc_w,uip_buf,uip_len);
uip_len=0;
}
} else if(__eth_hdr->type == htons(UIP_ETHTYPE_ARP)) {
uip_arp_arpin();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0) {
g_pf_net_send_ip_packet(desc_w,uip_buf,uip_len);
uip_len=0;
}
}
#elif defined(USE_IF_SLIP)
uip_process(UIP_DATA);
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0) {
g_pf_net_send_ip_packet(desc_w,uip_buf,uip_len);
uip_len=0;
}
#endif
}
return 0;
}
void ethernet_process(void) {
if(linkstate == 0) {
Dm9161 *pDm = &gDm9161;
if( DM9161_GetLinkSpeed(pDm, 1) != 0 ) {
TRACE_INFO("P: Link detected\n\r");
linkstate=1;
LED2_ON();
// Auto Negotiate
if (!DM9161_AutoNegotiate(pDm)) {
TRACE_INFO("P: Auto Negotiate ERROR!\n\r");
return;
}
}
} else {
uip_len = network_read();
if(uip_len > 0) {
if(BUF->type == htons(UIP_ETHTYPE_IP)){
uip_arp_ipin();
uip_input();
if(uip_len > 0) {
uip_arp_out();
network_send();
}
} else if(BUF->type == htons(UIP_ETHTYPE_ARP)){
uip_arp_arpin();
if(uip_len > 0){
network_send();
}
}
}
}
}
/*
* Ethernet frame received.
*/
static void FrameReceivedHandler(eventid_t id) {
(void)id;
while ((uip_len = network_device_read()) > 0) {
if (BUF->type == HTONS(UIP_ETHTYPE_IP)) {
uip_arp_ipin();
uip_input();
if (uip_len > 0) {
uip_arp_out();
network_device_send();
}
}
else if (BUF->type == HTONS(UIP_ETHTYPE_ARP)) {
uip_arp_arpin();
if (uip_len > 0)
network_device_send();
}
}
}
/*-----------------------------------------------------------------------------------*/
static void
rtl8019_drv_idle(void)
{
/* Poll Ethernet device to see if there is a frame avaliable. */
uip_len = rtl8019as_poll();
if(uip_len > 0) {
/* A frame was avaliable (and is now read into the uip_buf), so
we process it. */
if(BUF->type == htons(UIP_ETHTYPE_IP)) {
/* debug_print16(uip_len);*/
uip_arp_ipin();
uip_len -= sizeof(struct uip_eth_hdr);
uip_input();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0) {
/* debug_print(PSTR("Sending packet\n"));*/
uip_arp_out();
rtl8019as_send();
}
} else if(BUF->type == htons(UIP_ETHTYPE_ARP)) {
uip_arp_arpin();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0) {
rtl8019as_send();
}
}
}
/* Check the clock so see if we should call the periodic uIP
processing. */
current = ek_clock();
if((current - start) >= CLK_TCK/2 ||
(current - start) < 0) {
timer();
start = current;
}
}
void nethandler_rx()
{
uip_len = network_read();
if (uip_len > 0) {
switch (ntohs(BUF->type)) {
case UIP_ETHTYPE_IP:
uip_arp_ipin();
uip_input();
if (uip_len > 0) {
uip_arp_out();
network_send();
}
break;
case UIP_ETHTYPE_ARP:
uip_arp_arpin();
if (uip_len > 0)
network_send();
break;
}
}
}
/**
* \brief Ethernet IO function.
* \param void There are no parameters needed.
* \return No return values.
*/
static void
eth_poll(void)
{
/*Get Buffer*/
uip_len = (u16_t)EthernetPacketGet(ETH_BASE, uip_buf, UIP_BUFSIZE);
if(uip_len > 0) {
if(BUF->type == HTONS(UIP_ETHTYPE_IP)) {
uip_arp_ipin();
uip_input();
if(uip_len > 0) {
uip_arp_out();
EthernetPacketPut(ETH_BASE, uip_buf, uip_len);
}
} else if(BUF->type == HTONS(UIP_ETHTYPE_ARP)) {
uip_arp_arpin();
if(uip_len > 0) {
EthernetPacketPut(ETH_BASE, uip_buf, uip_len);
}
}
}
EthernetIntEnable(ETH_BASE, ETH_INT_RX);
}
void vuIP_Task( void *pvParameters )
{
portBASE_TYPE i;
unsigned long ulNewEvent = 0UL;
unsigned long ulUIP_Events = 0UL;
( void ) pvParameters;
/* Initialise the uIP stack. */
prvInitialise_uIP();
/* Initialise the MAC. */
vInitEmac();
while( lEMACWaitForLink() != pdPASS )
{
vTaskDelay( uipINIT_WAIT );
}
for( ;; )
{
if( ( ulUIP_Events & uipETHERNET_RX_EVENT ) != 0UL )
{
/* Is there received data ready to be processed? */
uip_len = ( unsigned short ) ulEMACRead();
if( ( uip_len > 0 ) && ( uip_buf != NULL ) )
{
/* Standard uIP loop taken from the uIP manual. */
if( xHeader->type == htons( UIP_ETHTYPE_IP ) )
{
uip_arp_ipin();
uip_input();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if( uip_len > 0 )
{
uip_arp_out();
vEMACWrite();
}
}
else if( xHeader->type == htons( UIP_ETHTYPE_ARP ) )
{
uip_arp_arpin();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if( uip_len > 0 )
{
vEMACWrite();
}
}
}
else
{
ulUIP_Events &= ~uipETHERNET_RX_EVENT;
}
}
if( ( ulUIP_Events & uipPERIODIC_TIMER_EVENT ) != 0UL )
{
ulUIP_Events &= ~uipPERIODIC_TIMER_EVENT;
for( i = 0; i < UIP_CONNS; i++ )
{
uip_periodic( i );
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if( uip_len > 0 )
{
uip_arp_out();
vEMACWrite();
}
}
}
/* Call the ARP timer function every 10 seconds. */
if( ( ulUIP_Events & uipARP_TIMER_EVENT ) != 0 )
{
ulUIP_Events &= ~uipARP_TIMER_EVENT;
uip_arp_timer();
}
if( ulUIP_Events == pdFALSE )
{
xQueueReceive( xEMACEventQueue, &ulNewEvent, portMAX_DELAY );
ulUIP_Events |= ulNewEvent;
}
}
}
void vuIP_Task( void *pvParameters )
{
portBASE_TYPE i;
uip_ipaddr_t xIPAddr;
struct timer periodic_timer, arp_timer;
extern void ( vEMAC_ISR_Wrapper )( void );
/* Create the semaphore used by the ISR to wake this task. */
vSemaphoreCreateBinary( xEMACSemaphore );
/* Initialise the uIP stack. */
timer_set( &periodic_timer, configTICK_RATE_HZ / 2 );
timer_set( &arp_timer, configTICK_RATE_HZ * 10 );
uip_init();
uip_ipaddr( xIPAddr, uipIP_ADDR0, uipIP_ADDR1, uipIP_ADDR2, uipIP_ADDR3 );
uip_sethostaddr( xIPAddr );
httpd_init();
/* Initialise the MAC. */
while( Init_EMAC() != pdPASS )
{
vTaskDelay( uipINIT_WAIT );
}
portENTER_CRITICAL();
{
MAC_INTENABLE = INT_RX_DONE;
VICIntEnable |= 0x00200000;
VICVectAddr21 = ( portLONG ) vEMAC_ISR_Wrapper;
prvSetMACAddress();
}
portEXIT_CRITICAL();
for( ;; )
{
/* Is there received data ready to be processed? */
uip_len = uiGetEMACRxData( uip_buf );
if( uip_len > 0 )
{
/* Standard uIP loop taken from the uIP manual. */
if( xHeader->type == htons( UIP_ETHTYPE_IP ) )
{
uip_arp_ipin();
uip_input();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if( uip_len > 0 )
{
uip_arp_out();
prvENET_Send();
}
}
else if( xHeader->type == htons( UIP_ETHTYPE_ARP ) )
{
uip_arp_arpin();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if( uip_len > 0 )
{
prvENET_Send();
}
}
}
else
{
if( timer_expired( &periodic_timer ) )
{
timer_reset( &periodic_timer );
for( i = 0; i < UIP_CONNS; i++ )
{
uip_periodic( i );
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if( uip_len > 0 )
{
uip_arp_out();
prvENET_Send();
}
}
/* Call the ARP timer function every 10 seconds. */
if( timer_expired( &arp_timer ) )
{
timer_reset( &arp_timer );
uip_arp_timer();
}
}
else
{
/* We did not receive a packet, and there was no periodic
processing to perform. Block for a fixed period. If a packet
is received during this period we will be woken by the ISR
giving us the Semaphore. */
xSemaphoreTake( xEMACSemaphore, configTICK_RATE_HZ / 2 );
}
}
}
}
static void e1000_receive(struct e1000_dev *e1000)
{
int head = e1000->rx_ring.head;
unsigned char *cp = (unsigned char *)
(e1000->rx_ring.buf + head * CONFIG_E1000_BUFF_SIZE);
int cnt;
while (e1000->rx_ring.desc[head].desc_status) {
/* Check for errors and update statistics */
// Here we do not handle packets that exceed packet-buffer size
if ((e1000->rx_ring.desc[head].desc_status & 3) == 1) {
cprintf("NIC READ: Oversized packet\n");
goto next;
}
/* Check if the packet is a valid size for the uIP buffer configuration */
// get the number of actual data-bytes in this packet
cnt = e1000->rx_ring.desc[head].packet_length;
if (cnt > CONFIG_NET_BUFSIZE || cnt < 14) {
cprintf("NIC READ: invalid package size\n");
goto next;
}
/* Copy the data data from the hardware to e1000->uip_dev.d_buf. Set
* amount of data in e1000->uip_dev.d_len
*/
// now we try to copy these data-bytes to the UIP buffer
memcpy(e1000->uip_dev.d_buf, cp, cnt);
e1000->uip_dev.d_len = cnt;
/* We only accept IP packets of the configured type and ARP packets */
#ifdef CONFIG_NET_IPv6
if (BUF->type == HTONS(UIP_ETHTYPE_IP6))
#else
if (BUF->type == HTONS(UIP_ETHTYPE_IP))
#endif
{
uip_arp_ipin(&e1000->uip_dev);
uip_input(&e1000->uip_dev);
/* If the above function invocation resulted in data that should be
* sent out on the network, the field d_len will set to a value > 0.
*/
if (e1000->uip_dev.d_len > 0) {
uip_arp_out(&e1000->uip_dev);
e1000_transmit(e1000);
}
}
else if (BUF->type == htons(UIP_ETHTYPE_ARP)) {
uip_arp_arpin(&e1000->uip_dev);
/* If the above function invocation resulted in data that should be
* sent out on the network, the field d_len will set to a value > 0.
*/
if (e1000->uip_dev.d_len > 0) {
e1000_transmit(e1000);
}
}
next:
e1000->rx_ring.desc[head].desc_status = 0;
e1000->rx_ring.head = (head + 1) % CONFIG_E1000_N_RX_DESC;
e1000->rx_ring.free++;
head = e1000->rx_ring.head;
cp = (unsigned char *)(e1000->rx_ring.buf + head * CONFIG_E1000_BUFF_SIZE);
}
}
void uip_task(void *p)
{
int i;
struct timer periodic_timer, arp_timer;
enc28j60_open();
timer_set(&periodic_timer, CLOCK_SECOND / 2);
timer_set(&arp_timer, CLOCK_SECOND * 10);
while(1)
{
socket_process_pending_lists_();
uip_len = enc28j60_read();
if(uip_len > 0)
{
if(BUF->type == htons(UIP_ETHTYPE_IP))
{
uip_input();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0)
{
uip_arp_out();
enc28j60_write();
}
}
else if(BUF->type == htons(UIP_ETHTYPE_ARP))
{
uip_arp_arpin();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0)
{
enc28j60_write();
}
}
}
if(timer_expired(&periodic_timer))
{
timer_reset(&periodic_timer);
for(i = 0; i < UIP_CONNS; i++)
{
uip_periodic(i);
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0)
{
uip_arp_out();
enc28j60_write();
}
}
#if UIP_UDP
for(i = 0; i < UIP_UDP_CONNS; i++)
{
uip_udp_periodic(i);
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0)
{
uip_arp_out();
enc28j60_write();
}
}
#endif /* UIP_UDP */
/* Call the ARP timer function every 10 seconds. */
if(timer_expired(&arp_timer))
{
timer_reset(&arp_timer);
uip_arp_timer();
}
}
//yield so that other tasks can do something
sys_msleep(UIP_TASK_YIELD_TIME_MS);
}
}
int main(int argc, char *argv[]) {
uip_ipaddr_t ipaddr;
int i;
struct timer periodic_timer, arp_timer;
if(connect_pci() < 0) return 1;
printf("Starting up stack!\n");
uip_init();
uip_ipaddr(ipaddr, 192,168,1,8);
uip_sethostaddr(ipaddr);
uip_ipaddr(ipaddr, 192,168,1,1);
uip_setdraddr(ipaddr);
uip_ipaddr(ipaddr, 255,255,255,0);
uip_setnetmask(ipaddr);
uip_setethaddr(rtl8139_mac);
resolv_init();
dhcpc_init(rtl8139_mac, 6);
// httpd_init();
resolv_query("grindars.org.ru");
printf("Stack started\n");
while(1) {
uip_len = rtl8139_poll();
if(uip_len > 0) {
if(BUF->type == htons(UIP_ETHTYPE_IP)) {
uip_arp_ipin();
uip_input();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0) {
uip_arp_out();
rtl8139_transmit();
}
} else if(BUF->type == htons(UIP_ETHTYPE_ARP)) {
uip_arp_arpin();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0) {
rtl8139_transmit();
}
}
} else if(timer_expired(&periodic_timer)) {
timer_reset(&periodic_timer);
for(i = 0; i < UIP_CONNS; i++) {
uip_periodic(i);
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0) {
uip_arp_out();
rtl8139_transmit();
}
}
//#if UIP_UDP
for(i = 0; i < UIP_UDP_CONNS; i++) {
uip_udp_periodic(i);
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0) {
uip_arp_out();
rtl8139_transmit();
}
}
//#endif /* UIP_UDP */
/* Call the ARP timer function every 10 seconds. */
if(timer_expired(&arp_timer)) {
timer_reset(&arp_timer);
uip_arp_timer();
}
}
}
return 0;
}
/** Processes Incoming packets to the server from the connected RNDIS device, creating responses as needed. */
static void uIPManagement_ProcessIncomingPacket(void)
{
/* Determine which USB mode the system is currently initialized in */
if (USB_CurrentMode == USB_MODE_Device)
{
/* If no packet received, exit processing routine */
if (!(RNDIS_Device_IsPacketReceived(&Ethernet_RNDIS_Interface_Device)))
return;
LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
/* Read the Incoming packet straight into the UIP packet buffer */
RNDIS_Device_ReadPacket(&Ethernet_RNDIS_Interface_Device, uip_buf, &uip_len);
}
else
{
/* If no packet received, exit processing routine */
if (!(RNDIS_Host_IsPacketReceived(&Ethernet_RNDIS_Interface_Host)))
return;
LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
/* Read the Incoming packet straight into the UIP packet buffer */
RNDIS_Host_ReadPacket(&Ethernet_RNDIS_Interface_Host, uip_buf, &uip_len);
}
/* If the packet contains an Ethernet frame, process it */
// cppcheck-suppress redundantOperationIn
if (uip_len > 0)
{
switch (((struct uip_eth_hdr*)uip_buf)->type)
{
case HTONS(UIP_ETHTYPE_IP):
/* Filter packet by MAC destination */
uip_arp_ipin();
/* Process Incoming packet */
uip_input();
/* If a response was generated, send it */
if (uip_len > 0)
{
/* Add destination MAC to outgoing packet */
uip_arp_out();
uip_split_output();
}
break;
case HTONS(UIP_ETHTYPE_ARP):
/* Process ARP packet */
uip_arp_arpin();
/* If a response was generated, send it */
if (uip_len > 0)
uip_split_output();
break;
}
}
LEDs_SetAllLEDs(LEDMASK_USB_READY);
}
int main(void) {
struct timer periodic_timer, arp_timer;
// Flash the status LED two times to indicate that the AVR controller is living
STATUS_LED_on();
_delay_ms(20);
STATUS_LED_off();
_delay_ms(100);
STATUS_LED_on();
_delay_ms(20);
STATUS_LED_off();
// Initialize direction and level of I/O pins
init_io_pins();
#if ADC_CHANNELS > 0
// initialize ADC converter
initADC();
#endif
// enable io functions
isBusy=0;
// Initialize system clock timers.
clock_init();
timer_set(&periodic_timer, CLOCK_SECOND);
timer_set(&arp_timer, CLOCK_SECOND*10);
// check if the config reset jumper is connected.
check_for_reset_jumper();
#ifdef SERIAL
// start the serial port server
seriald_init();
#endif // SERIAL
// initialize ethernet controller
// loop until link comes up
while (init_CP2200()==0) {
_delay_ms(200);
}
// replace config by hardcoded defaults if the flash is unprogrammed (all bits 1)
if (uip_ipaddr_cmp(config.ipaddr, all_ones_addr) &&
uip_ipaddr_cmp(config.netmask, all_ones_addr) &&
uip_ipaddr_cmp(config.gateway, all_ones_addr)) {
set_defaults();
}
// initialize uIP protocol
uip_arp_init();
uip_init();
// Configure the IP-Adrdess
IP_config();
#ifdef EMAIL_APP
// Initialize the email application
email_app_init();
#endif // EMAIL_APP
// Initialize the inetd
inetd_init();
// main loop, dispatches network and timer events
while (1) {
uip_len = network_device_read();
if (uip_len > 0) {
if (BUF->type == htons(UIP_ETHTYPE_IP)) {
uip_arp_ipin();
uip_input();
// If the above function invocation resulted in data that
// should be sent out on the network, the global variable
// uip_len is set to a value > 0.
if (uip_len > 0) {
uip_arp_out();
network_device_send();
}
} else if (BUF->type == htons(UIP_ETHTYPE_ARP)) {
uip_arp_arpin();
// If the above function invocation resulted in data that
// should be sent out on the network, the global variable
// uip_len is set to a value > 0.
if (uip_len > 0) {
network_device_send();
}
}
}
else if (timer_expired(&periodic_timer)) {
timer_reset(&periodic_timer);
for (int i = 0; i < UIP_CONNS; i++) {
uip_periodic(i);
// If the above function invocation resulted in data that
// should be sent out on the network, the global variable
// uip_len is set to a value > 0.
if (uip_len > 0) {
uip_arp_out();
network_device_send();
}
}
#if UIP_UDP
for (int i = 0; i < UIP_UDP_CONNS; i++) {
uip_udp_periodic(i);
// If the above function invocation resulted in data that
// should be sent out on the network, the global variable
// uip_len is set to a value > 0.
if (uip_len > 0) {
uip_arp_out();
network_device_send();
}
}
#endif // UIP_UDP
// Call the ARP timer function every 10 seconds.
if (timer_expired(&arp_timer)) {
timer_reset(&arp_timer);
uip_arp_timer();
}
}
#ifdef EMAIL_APP
email_app_main_loop();
#endif //EMAIL_APP
}
return 0;
}
