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@@ -41,7 +41,6 @@ extern int register_irq_handler(unsigned irq_num, void (*handler)());
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#define NX_LINK_MTU 1514
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#define NX_MAX_PACKET_SIZE 1536
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/* Define Ethernet address format. This is prepended to the incoming IP
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and ARP/RARP messages. The frame beginning is 14 bytes, but for speed
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purposes, we are going to assume there are 16 bytes free in front of the
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@@ -71,7 +70,6 @@ extern int register_irq_handler(unsigned irq_num, void (*handler)());
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const ULONG mnrs_mac_address_msw = 0x0200;
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const ULONG mnrs_mac_address_lsw = 0x00334450;
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/* Define driver prototypes. */
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VOID _nx_mnrs_network_driver(NX_IP_DRIVER *driver_req_ptr);
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@@ -82,7 +80,6 @@ VOID _nx_mnrs_eth_recv_packet(UINT id, volatile ethmac_t* ethmac);
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VOID _nx_mnrs_eth_recv_packet_eth0(VOID);
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VOID _nx_mnrs_eth_recv_packet_eth1(VOID);
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#define NX_MAX_MNRS_INTERFACES 4
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#define NX_MNRS_DRIVER_MAX_MCAST_ADDRESSES 3
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typedef struct MAC_ADDRESS_STRUCT
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{
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@@ -118,7 +115,7 @@ typedef struct _nx_mnrs_network_driver_instance_type
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/* In this example, there are four instances of the MNRS ETH driver.
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Therefore an array of four driver instances are created to keep track of
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the interface information of each driver. */
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static _nx_mnrs_network_driver_instance_type nx_mnrs_driver[NX_MAX_MNRS_INTERFACES];
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static _nx_mnrs_network_driver_instance_type nx_mnrs_driver[NX_MAX_PHYSICAL_INTERFACES];
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/**************************************************************************/
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@@ -172,14 +169,14 @@ static _nx_mnrs_network_driver_instance_type nx_mnrs_driver[NX_MAX_MNRS_INTERFAC
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/* resulting in version 6.4.0 */
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/* */
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/**************************************************************************/
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VOID _nx_mnrs_network_driver(NX_IP_DRIVER *driver_req_ptr)
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VOID _nx_mnrs_network_driver(NX_IP_DRIVER* driver_req_ptr)
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{
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UINT i = 0;
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NX_IP *ip_ptr;
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NX_PACKET *packet_ptr;
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NX_INTERFACE *interface_ptr;
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UINT interface_index;
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USHORT ether_type;
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UINT i = 0;
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NX_IP* ip_ptr;
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NX_PACKET* packet_ptr;
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NX_INTERFACE* interface_ptr;
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UINT interface_index;
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USHORT ether_type;
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#ifndef NX_ENABLE_VLAN
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ULONG *ethernet_frame_ptr;
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#endif /* NX_ENABLE_VLAN */
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@@ -201,9 +198,9 @@ ULONG *ethernet_frame_ptr;
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/* Obtain the index number of the network interface. */
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interface_index = interface_ptr -> nx_interface_index;
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/* Find out the driver interface if the driver command is not ATTACH. */
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if (driver_req_ptr -> nx_ip_driver_command != NX_LINK_INTERFACE_ATTACH)
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if (driver_req_ptr->nx_ip_driver_command != NX_LINK_INTERFACE_ATTACH)
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{
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for (i = 0; i < NX_MAX_MNRS_INTERFACES; i++)
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for (i = 0; i < NX_MAX_PHYSICAL_INTERFACES; i++)
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{
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if (nx_mnrs_driver[i].nx_mnrs_network_driver_in_use == 0)
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{
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@@ -218,20 +215,20 @@ ULONG *ethernet_frame_ptr;
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break;
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}
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}
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if (i == NX_MAX_MNRS_INTERFACES)
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if (i == NX_MAX_PHYSICAL_INTERFACES)
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{
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driver_req_ptr -> nx_ip_driver_status = NX_INVALID_INTERFACE;
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driver_req_ptr->nx_ip_driver_status = NX_INVALID_INTERFACE;
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return;
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}
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}
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/* Process according to the driver request type in the IP control
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block. */
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switch (driver_req_ptr -> nx_ip_driver_command)
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switch (driver_req_ptr->nx_ip_driver_command)
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{
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case NX_LINK_INTERFACE_ATTACH:
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{
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/* Find an available driver instance to attach the interface. */
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for (i = 0; i < NX_MAX_MNRS_INTERFACES; i++)
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for (i = 0; i < NX_MAX_PHYSICAL_INTERFACES; i++)
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{
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if (nx_mnrs_driver[i].nx_mnrs_network_driver_in_use == 0)
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{
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@@ -239,7 +236,7 @@ ULONG *ethernet_frame_ptr;
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}
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}
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/* An available entry is found. */
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if (i < NX_MAX_MNRS_INTERFACES)
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if (i < NX_MAX_PHYSICAL_INTERFACES)
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{
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/* Set the IN USE flag.*/
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nx_mnrs_driver[i].nx_mnrs_network_driver_in_use = 1;
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@@ -252,7 +249,8 @@ ULONG *ethernet_frame_ptr;
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nx_mnrs_driver[i].nx_mnrs_driver_mac_address.nx_mac_address_msw = mnrs_mac_address_msw;
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nx_mnrs_driver[i].nx_mnrs_driver_mac_address.nx_mac_address_lsw = mnrs_mac_address_lsw + i;
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/* Record the peripheral address */
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switch(i) {
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switch (i)
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{
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case 0:
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nx_mnrs_driver[i].ethmac = ethmac0;
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break;
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@@ -274,7 +272,7 @@ ULONG *ethernet_frame_ptr;
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}
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else
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{
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driver_req_ptr -> nx_ip_driver_status = NX_INVALID_INTERFACE;
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driver_req_ptr->nx_ip_driver_status = NX_INVALID_INTERFACE;
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}
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break;
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}
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@@ -288,15 +286,16 @@ ULONG *ethernet_frame_ptr;
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{
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/* Device driver shall initialize the Ethernet Controller here. */
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#ifdef NX_DEBUG
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printf("NetX MNRS ETH Driver Initialization - %s\n", ip_ptr -> nx_ip_name);
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printf(" IP Address =%08X\n", ip_ptr -> nx_ip_address);
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printf("NetX MNRS ETH Driver Initialization - %s\n", ip_ptr->nx_ip_name);
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printf(" IP Address =%08X\n", ip_ptr->nx_ip_address);
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#endif
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// enable TX & RX path
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set_ethmac_mac_ctrl(nx_mnrs_driver[i].ethmac,
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get_ethmac_mac_ctrl(nx_mnrs_driver[i].ethmac) & ~(ETHMAC_MAC_CTRL_TX_FLUSH(1)| ETHMAC_MAC_CTRL_RX_FLUSH(1)));
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get_ethmac_mac_ctrl(nx_mnrs_driver[i].ethmac) &
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~(ETHMAC_MAC_CTRL_TX_FLUSH(1) | ETHMAC_MAC_CTRL_RX_FLUSH(1)));
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register_irq_handler(ETH0_IRQ, &_nx_mnrs_eth_recv_packet_eth0);
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register_irq_handler(ETH1_IRQ, &_nx_mnrs_eth_recv_packet_eth1);
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csr_read_set_bits_mie(1<<ETH0_IRQ | 1<<ETH1_IRQ);
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csr_read_set_bits_mie(1 << ETH0_IRQ | 1 << ETH1_IRQ);
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set_ethmac_mac_intr_rx_data_avail_intr_enable(nx_mnrs_driver[i].ethmac, 1);
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/* Once the Ethernet controller is initialized, the driver needs to
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configure the NetX Interface Control block, as outlined below. */
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@@ -308,9 +307,11 @@ ULONG *ethernet_frame_ptr;
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/* For this MNRS ETH driver, the MAC address is constructed by
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incrementing a base lsw value, to simulate multiple nodes on the
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ethernet. */
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nx_ip_interface_physical_address_set(ip_ptr, interface_index,
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nx_ip_interface_physical_address_set(ip_ptr,
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interface_index,
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nx_mnrs_driver[i].nx_mnrs_driver_mac_address.nx_mac_address_msw,
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nx_mnrs_driver[i].nx_mnrs_driver_mac_address.nx_mac_address_lsw, NX_FALSE);
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nx_mnrs_driver[i].nx_mnrs_driver_mac_address.nx_mac_address_lsw,
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NX_FALSE);
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/* Indicate to the IP software that IP to physical mapping is required. */
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nx_ip_interface_address_mapping_configure(ip_ptr, interface_index, NX_TRUE);
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break;
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@@ -319,13 +320,14 @@ ULONG *ethernet_frame_ptr;
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{
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// disable TX & RX path
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set_ethmac_mac_intr_rx_data_avail_intr_enable(nx_mnrs_driver[i].ethmac, 0);
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csr_read_clr_bits_mie(1<<ETH0_IRQ | 1<<ETH1_IRQ);
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csr_read_clr_bits_mie(1 << ETH0_IRQ | 1 << ETH1_IRQ);
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register_irq_handler(ETH0_IRQ, NULL);
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register_irq_handler(ETH1_IRQ, NULL);
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// set_ethmac_mac_ctrl_tx_flush(nx_mnrs_driver[i].ethmac, 1);
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// set_ethmac_mac_ctrl_rx_flush(nx_mnrs_driver[i].ethmac, 1);
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set_ethmac_mac_ctrl(nx_mnrs_driver[i].ethmac,
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get_ethmac_mac_ctrl(nx_mnrs_driver[i].ethmac) | ETHMAC_MAC_CTRL_TX_FLUSH(1)| ETHMAC_MAC_CTRL_RX_FLUSH(1));
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get_ethmac_mac_ctrl(nx_mnrs_driver[i].ethmac) | ETHMAC_MAC_CTRL_TX_FLUSH(1) |
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ETHMAC_MAC_CTRL_RX_FLUSH(1));
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/* Zero out the driver instance. */
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memset(&(nx_mnrs_driver[i]), 0, sizeof(_nx_mnrs_network_driver_instance_type));
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break;
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@@ -338,9 +340,9 @@ ULONG *ethernet_frame_ptr;
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// set_ethmac_int_ctrl_reg_tx_free_intr_enable(nx_mnrs_driver[i].ethmac, 1);
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set_ethmac_mac_intr_rx_data_avail_intr_enable(nx_mnrs_driver[i].ethmac, 1);
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/* In the MNRS ETH driver, just set the enabled flag. */
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interface_ptr -> nx_interface_link_up = NX_TRUE;
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interface_ptr->nx_interface_link_up = NX_TRUE;
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#ifdef NX_DEBUG
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printf("NetX MNRS ETH Driver Link Enabled - %s\n", ip_ptr -> nx_ip_name);
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printf("NetX MNRS ETH Driver Link Enabled - %s\n", ip_ptr->nx_ip_name);
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#endif
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break;
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}
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@@ -354,9 +356,9 @@ ULONG *ethernet_frame_ptr;
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// set_ethmac_int_ctrl_reg_tx_free_intr_enable(nx_mnrs_driver[i].ethmac, 0);
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set_ethmac_mac_intr_rx_data_avail_intr_enable(nx_mnrs_driver[i].ethmac, 0);
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/* In the MNRS ETH driver, just clear the enabled flag. */
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interface_ptr -> nx_interface_link_up = NX_FALSE;
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interface_ptr->nx_interface_link_up = NX_FALSE;
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#ifdef NX_DEBUG
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printf("NetX MNRS ETH Driver Link Disabled - %s\n", ip_ptr -> nx_ip_name);
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printf("NetX MNRS ETH Driver Link Disabled - %s\n", ip_ptr->nx_ip_name);
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#endif
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break;
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}
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@@ -375,21 +377,21 @@ ULONG *ethernet_frame_ptr;
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The following sequence illustrates this process.
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*/
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/* Place the ethernet frame at the front of the packet. */
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packet_ptr = driver_req_ptr -> nx_ip_driver_packet;
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packet_ptr = driver_req_ptr->nx_ip_driver_packet;
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/* Get Ethernet type. */
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if (driver_req_ptr -> nx_ip_driver_command == NX_LINK_ARP_SEND)
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if (driver_req_ptr->nx_ip_driver_command == NX_LINK_ARP_SEND)
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{
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ether_type = NX_ETHERNET_ARP;
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}
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else if (driver_req_ptr -> nx_ip_driver_command == NX_LINK_ARP_RESPONSE_SEND)
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else if (driver_req_ptr->nx_ip_driver_command == NX_LINK_ARP_RESPONSE_SEND)
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{
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ether_type = NX_ETHERNET_ARP;
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}
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else if (driver_req_ptr -> nx_ip_driver_command == NX_LINK_RARP_SEND)
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else if (driver_req_ptr->nx_ip_driver_command == NX_LINK_RARP_SEND)
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{
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ether_type = NX_ETHERNET_RARP;
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}
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else if (packet_ptr -> nx_packet_ip_version == 4)
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else if (packet_ptr->nx_packet_ip_version == 4)
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{
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ether_type = NX_ETHERNET_IP;
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}
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@@ -400,9 +402,10 @@ ULONG *ethernet_frame_ptr;
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#ifdef NX_ENABLE_VLAN
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/* Add Ethernet header. */
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if (nx_link_ethernet_header_add(ip_ptr,
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driver_req_ptr -> nx_ip_driver_interface -> nx_interface_index, packet_ptr,
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driver_req_ptr -> nx_ip_driver_physical_address_msw,
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driver_req_ptr -> nx_ip_driver_physical_address_lsw,
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driver_req_ptr->nx_ip_driver_interface->nx_interface_index,
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packet_ptr,
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driver_req_ptr->nx_ip_driver_physical_address_msw,
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driver_req_ptr->nx_ip_driver_physical_address_lsw,
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(UINT)ether_type))
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{
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/* Release the packet. */
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@@ -411,19 +414,19 @@ ULONG *ethernet_frame_ptr;
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}
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#else
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/* Adjust the prepend pointer. */
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packet_ptr -> nx_packet_prepend_ptr = packet_ptr -> nx_packet_prepend_ptr - NX_ETHERNET_SIZE;
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packet_ptr->nx_packet_prepend_ptr = packet_ptr->nx_packet_prepend_ptr - NX_ETHERNET_SIZE;
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/* Adjust the packet length. */
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packet_ptr -> nx_packet_length = packet_ptr -> nx_packet_length + NX_ETHERNET_SIZE;
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packet_ptr->nx_packet_length = packet_ptr->nx_packet_length + NX_ETHERNET_SIZE;
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/* Setup the ethernet frame pointer to build the ethernet frame. Backup another 2
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bytes to get 32-bit word alignment. */
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/*lint -e{927} -e{826} suppress cast of pointer to pointer, since it is necessary */
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ethernet_frame_ptr = (ULONG *)(packet_ptr -> nx_packet_prepend_ptr - 2);
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ethernet_frame_ptr = (ULONG*)(packet_ptr->nx_packet_prepend_ptr - 2);
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/* Build the ethernet frame. */
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*ethernet_frame_ptr = driver_req_ptr -> nx_ip_driver_physical_address_msw;
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*(ethernet_frame_ptr + 1) = driver_req_ptr -> nx_ip_driver_physical_address_lsw;
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*(ethernet_frame_ptr + 2) = (interface_ptr -> nx_interface_physical_address_msw << 16) |
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(interface_ptr -> nx_interface_physical_address_lsw >> 16);
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*(ethernet_frame_ptr + 3) = (interface_ptr -> nx_interface_physical_address_lsw << 16) | ether_type;
|
|
|
|
|
*ethernet_frame_ptr = driver_req_ptr->nx_ip_driver_physical_address_msw;
|
|
|
|
|
*(ethernet_frame_ptr + 1) = driver_req_ptr->nx_ip_driver_physical_address_lsw;
|
|
|
|
|
*(ethernet_frame_ptr + 2) = (interface_ptr->nx_interface_physical_address_msw << 16) |
|
|
|
|
|
(interface_ptr->nx_interface_physical_address_lsw >> 16);
|
|
|
|
|
*(ethernet_frame_ptr + 3) = (interface_ptr->nx_interface_physical_address_lsw << 16) | ether_type;
|
|
|
|
|
/* Endian swapping if NX_LITTLE_ENDIAN is defined. */
|
|
|
|
|
NX_CHANGE_ULONG_ENDIAN(*(ethernet_frame_ptr));
|
|
|
|
|
NX_CHANGE_ULONG_ENDIAN(*(ethernet_frame_ptr + 1));
|
|
|
|
|
@@ -431,7 +434,7 @@ ULONG *ethernet_frame_ptr;
|
|
|
|
|
NX_CHANGE_ULONG_ENDIAN(*(ethernet_frame_ptr + 3));
|
|
|
|
|
#endif /* NX_ENABLE_VLAN */
|
|
|
|
|
#ifdef NX_DEBUG_PACKET
|
|
|
|
|
printf("NetX MNRS ETH Driver Packet Send - %s\n", ip_ptr -> nx_ip_name);
|
|
|
|
|
printf("NetX MNRS ETH Driver Packet Send - %s\n", ip_ptr->nx_ip_name);
|
|
|
|
|
#endif
|
|
|
|
|
/* At this point, the packet is a complete Ethernet frame, ready to be transmitted.
|
|
|
|
|
The driver shall call the actual Ethernet transmit routine and put the packet
|
|
|
|
|
@@ -445,7 +448,7 @@ ULONG *ethernet_frame_ptr;
|
|
|
|
|
case NX_LINK_RAW_PACKET_SEND:
|
|
|
|
|
{
|
|
|
|
|
/* Send raw packet out directly. */
|
|
|
|
|
_nx_mnrs_network_driver_output(driver_req_ptr -> nx_ip_driver_packet, i);
|
|
|
|
|
_nx_mnrs_network_driver_output(driver_req_ptr->nx_ip_driver_packet, i);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
#endif /* NX_ENABLE_VLAN */
|
|
|
|
|
@@ -469,14 +472,16 @@ ULONG *ethernet_frame_ptr;
|
|
|
|
|
if (nx_mnrs_driver[i].nx_mnrs_driver_mcast_address[mcast_index].nx_mac_address_msw == 0 &&
|
|
|
|
|
nx_mnrs_driver[i].nx_mnrs_driver_mcast_address[mcast_index].nx_mac_address_lsw == 0)
|
|
|
|
|
{
|
|
|
|
|
nx_mnrs_driver[i].nx_mnrs_driver_mcast_address[mcast_index].nx_mac_address_msw = driver_req_ptr -> nx_ip_driver_physical_address_msw;
|
|
|
|
|
nx_mnrs_driver[i].nx_mnrs_driver_mcast_address[mcast_index].nx_mac_address_lsw = driver_req_ptr -> nx_ip_driver_physical_address_lsw;
|
|
|
|
|
nx_mnrs_driver[i].nx_mnrs_driver_mcast_address[mcast_index].nx_mac_address_msw =
|
|
|
|
|
driver_req_ptr->nx_ip_driver_physical_address_msw;
|
|
|
|
|
nx_mnrs_driver[i].nx_mnrs_driver_mcast_address[mcast_index].nx_mac_address_lsw =
|
|
|
|
|
driver_req_ptr->nx_ip_driver_physical_address_lsw;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (mcast_index == NX_MNRS_DRIVER_MAX_MCAST_ADDRESSES)
|
|
|
|
|
{
|
|
|
|
|
driver_req_ptr -> nx_ip_driver_status = NX_NO_MORE_ENTRIES;
|
|
|
|
|
driver_req_ptr->nx_ip_driver_status = NX_NO_MORE_ENTRIES;
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
@@ -493,8 +498,10 @@ ULONG *ethernet_frame_ptr;
|
|
|
|
|
multicast MAC addresses by a simple look up table. */
|
|
|
|
|
for (mcast_index = 0; mcast_index < NX_MNRS_DRIVER_MAX_MCAST_ADDRESSES; mcast_index++)
|
|
|
|
|
{
|
|
|
|
|
if (nx_mnrs_driver[i].nx_mnrs_driver_mcast_address[mcast_index].nx_mac_address_msw == driver_req_ptr -> nx_ip_driver_physical_address_msw &&
|
|
|
|
|
nx_mnrs_driver[i].nx_mnrs_driver_mcast_address[mcast_index].nx_mac_address_lsw == driver_req_ptr -> nx_ip_driver_physical_address_lsw)
|
|
|
|
|
if (nx_mnrs_driver[i].nx_mnrs_driver_mcast_address[mcast_index].nx_mac_address_msw ==
|
|
|
|
|
driver_req_ptr->nx_ip_driver_physical_address_msw &&
|
|
|
|
|
nx_mnrs_driver[i].nx_mnrs_driver_mcast_address[mcast_index].nx_mac_address_lsw ==
|
|
|
|
|
driver_req_ptr->nx_ip_driver_physical_address_lsw)
|
|
|
|
|
{
|
|
|
|
|
nx_mnrs_driver[i].nx_mnrs_driver_mcast_address[mcast_index].nx_mac_address_msw = 0;
|
|
|
|
|
nx_mnrs_driver[i].nx_mnrs_driver_mcast_address[mcast_index].nx_mac_address_lsw = 0;
|
|
|
|
|
@@ -503,56 +510,56 @@ ULONG *ethernet_frame_ptr;
|
|
|
|
|
}
|
|
|
|
|
if (mcast_index == NX_MNRS_DRIVER_MAX_MCAST_ADDRESSES)
|
|
|
|
|
{
|
|
|
|
|
driver_req_ptr -> nx_ip_driver_status = NX_ENTRY_NOT_FOUND;
|
|
|
|
|
driver_req_ptr->nx_ip_driver_status = NX_ENTRY_NOT_FOUND;
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case NX_LINK_GET_STATUS:
|
|
|
|
|
{
|
|
|
|
|
/* Return the link status in the supplied return pointer. */
|
|
|
|
|
*(driver_req_ptr -> nx_ip_driver_return_ptr) = ip_ptr -> nx_ip_interface[0].nx_interface_link_up;
|
|
|
|
|
*(driver_req_ptr->nx_ip_driver_return_ptr) = ip_ptr->nx_ip_interface[0].nx_interface_link_up;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case NX_LINK_GET_SPEED:
|
|
|
|
|
{
|
|
|
|
|
/* Return the link's line speed in the supplied return pointer. Unsupported feature. */
|
|
|
|
|
*(driver_req_ptr -> nx_ip_driver_return_ptr) = 0;
|
|
|
|
|
*(driver_req_ptr->nx_ip_driver_return_ptr) = 0;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case NX_LINK_GET_DUPLEX_TYPE:
|
|
|
|
|
{
|
|
|
|
|
/* Return the link's line speed in the supplied return pointer. Unsupported feature. */
|
|
|
|
|
*(driver_req_ptr -> nx_ip_driver_return_ptr) = 0;
|
|
|
|
|
*(driver_req_ptr->nx_ip_driver_return_ptr) = 0;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case NX_LINK_GET_ERROR_COUNT:
|
|
|
|
|
{
|
|
|
|
|
/* Return the link's line speed in the supplied return pointer. Unsupported feature. */
|
|
|
|
|
*(driver_req_ptr -> nx_ip_driver_return_ptr) = 0;
|
|
|
|
|
*(driver_req_ptr->nx_ip_driver_return_ptr) = 0;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case NX_LINK_GET_RX_COUNT:
|
|
|
|
|
{
|
|
|
|
|
/* Return the link's line speed in the supplied return pointer. Unsupported feature. */
|
|
|
|
|
*(driver_req_ptr -> nx_ip_driver_return_ptr) = 0;
|
|
|
|
|
*(driver_req_ptr->nx_ip_driver_return_ptr) = 0;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case NX_LINK_GET_TX_COUNT:
|
|
|
|
|
{
|
|
|
|
|
/* Return the link's line speed in the supplied return pointer. Unsupported feature. */
|
|
|
|
|
*(driver_req_ptr -> nx_ip_driver_return_ptr) = 0;
|
|
|
|
|
*(driver_req_ptr->nx_ip_driver_return_ptr) = 0;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case NX_LINK_GET_ALLOC_ERRORS:
|
|
|
|
|
{
|
|
|
|
|
/* Return the link's line speed in the supplied return pointer. Unsupported feature. */
|
|
|
|
|
*(driver_req_ptr -> nx_ip_driver_return_ptr) = 0;
|
|
|
|
|
*(driver_req_ptr->nx_ip_driver_return_ptr) = 0;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case NX_LINK_GET_INTERFACE_TYPE:
|
|
|
|
|
{
|
|
|
|
|
/* Return the link's interface type in the supplied return pointer. Unsupported feature. */
|
|
|
|
|
*(driver_req_ptr -> nx_ip_driver_return_ptr) = NX_INTERFACE_TYPE_UNKNOWN;
|
|
|
|
|
*(driver_req_ptr->nx_ip_driver_return_ptr) = NX_INTERFACE_TYPE_UNKNOWN;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case NX_LINK_DEFERRED_PROCESSING:
|
|
|
|
|
@@ -577,7 +584,7 @@ ULONG *ethernet_frame_ptr;
|
|
|
|
|
case NX_LINK_SET_PHYSICAL_ADDRESS:
|
|
|
|
|
{
|
|
|
|
|
/* Find an driver instance to attach the interface. */
|
|
|
|
|
for (i = 0; i < NX_MAX_MNRS_INTERFACES; i++)
|
|
|
|
|
for (i = 0; i < NX_MAX_PHYSICAL_INTERFACES; i++)
|
|
|
|
|
{
|
|
|
|
|
if (nx_mnrs_driver[i].nx_mnrs_driver_interface_ptr == interface_ptr)
|
|
|
|
|
{
|
|
|
|
|
@@ -585,23 +592,26 @@ ULONG *ethernet_frame_ptr;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
/* An available entry is found. */
|
|
|
|
|
if (i < NX_MAX_MNRS_INTERFACES)
|
|
|
|
|
if (i < NX_MAX_PHYSICAL_INTERFACES)
|
|
|
|
|
{
|
|
|
|
|
/* Set the physical address. */
|
|
|
|
|
nx_mnrs_driver[i].nx_mnrs_driver_mac_address.nx_mac_address_msw = driver_req_ptr -> nx_ip_driver_physical_address_msw;
|
|
|
|
|
nx_mnrs_driver[i].nx_mnrs_driver_mac_address.nx_mac_address_lsw = driver_req_ptr -> nx_ip_driver_physical_address_lsw;
|
|
|
|
|
nx_mnrs_driver[i].nx_mnrs_driver_mac_address.nx_mac_address_msw =
|
|
|
|
|
driver_req_ptr->nx_ip_driver_physical_address_msw;
|
|
|
|
|
nx_mnrs_driver[i].nx_mnrs_driver_mac_address.nx_mac_address_lsw =
|
|
|
|
|
driver_req_ptr->nx_ip_driver_physical_address_lsw;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
driver_req_ptr -> nx_ip_driver_status = NX_INVALID_INTERFACE;
|
|
|
|
|
driver_req_ptr->nx_ip_driver_status = NX_INVALID_INTERFACE;
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
#ifdef NX_ENABLE_INTERFACE_CAPABILITY
|
|
|
|
|
case NX_INTERFACE_CAPABILITY_GET:
|
|
|
|
|
{
|
|
|
|
|
/* Return the capability of the Ethernet controller speed in the supplied return pointer. Unsupported feature. */
|
|
|
|
|
*(driver_req_ptr -> nx_ip_driver_return_ptr) = 0;
|
|
|
|
|
/* Return the capability of the Ethernet controller speed in the supplied return pointer. Unsupported
|
|
|
|
|
* feature. */
|
|
|
|
|
*(driver_req_ptr->nx_ip_driver_return_ptr) = 0;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case NX_INTERFACE_CAPABILITY_SET:
|
|
|
|
|
@@ -614,9 +624,9 @@ ULONG *ethernet_frame_ptr;
|
|
|
|
|
/* Invalid driver request. */
|
|
|
|
|
|
|
|
|
|
/* Return the unhandled command status. */
|
|
|
|
|
driver_req_ptr -> nx_ip_driver_status = NX_UNHANDLED_COMMAND;
|
|
|
|
|
driver_req_ptr->nx_ip_driver_status = NX_UNHANDLED_COMMAND;
|
|
|
|
|
#ifdef NX_DEBUG
|
|
|
|
|
printf("NetX MNRS ETH Driver Received invalid request - %s\n", ip_ptr -> nx_ip_name);
|
|
|
|
|
printf("NetX MNRS ETH Driver Received invalid request - %s\n", ip_ptr->nx_ip_name);
|
|
|
|
|
#endif
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
@@ -671,9 +681,9 @@ ULONG *ethernet_frame_ptr;
|
|
|
|
|
/* resulting in version 6.4.0 */
|
|
|
|
|
/* */
|
|
|
|
|
/**************************************************************************/
|
|
|
|
|
void _nx_mnrs_network_driver_output(NX_PACKET *packet_ptr, UINT interface_instance_id)
|
|
|
|
|
void _nx_mnrs_network_driver_output(NX_PACKET* packet_ptr, UINT interface_instance_id)
|
|
|
|
|
{
|
|
|
|
|
UINT old_threshold = 0;
|
|
|
|
|
UINT old_threshold = 0;
|
|
|
|
|
|
|
|
|
|
#ifdef NX_DEBUG_PACKET
|
|
|
|
|
UCHAR *ptr;
|
|
|
|
|
@@ -694,7 +704,7 @@ UINT i, j;
|
|
|
|
|
printf("%02X ", *ptr++);
|
|
|
|
|
|
|
|
|
|
i = 0;
|
|
|
|
|
for (j = 0; j < (packet_ptr -> nx_packet_length - NX_ETHERNET_SIZE); j++)
|
|
|
|
|
for (j = 0; j < (packet_ptr->nx_packet_length - NX_ETHERNET_SIZE); j++)
|
|
|
|
|
{
|
|
|
|
|
printf("%02X", *ptr++);
|
|
|
|
|
i++;
|
|
|
|
|
@@ -713,8 +723,9 @@ UINT i, j;
|
|
|
|
|
#ifdef NX_ENABLE_VLAN
|
|
|
|
|
/* Release the packet. */
|
|
|
|
|
nx_link_packet_transmitted(nx_mnrs_driver[interface_instance_id].nx_mnrs_driver_ip_ptr,
|
|
|
|
|
nx_mnrs_driver[interface_instance_id].nx_mnrs_driver_interface_ptr -> nx_interface_index,
|
|
|
|
|
packet_ptr, NX_NULL);
|
|
|
|
|
nx_mnrs_driver[interface_instance_id].nx_mnrs_driver_interface_ptr->nx_interface_index,
|
|
|
|
|
packet_ptr,
|
|
|
|
|
NX_NULL);
|
|
|
|
|
#else
|
|
|
|
|
/* Remove the Ethernet header. In real hardware environments, this is typically
|
|
|
|
|
done after a transmit complete interrupt. */
|
|
|
|
|
@@ -781,21 +792,23 @@ UINT i, j;
|
|
|
|
|
/* resulting in version 6.4.0 */
|
|
|
|
|
/* */
|
|
|
|
|
/**************************************************************************/
|
|
|
|
|
void _nx_mnrs_network_driver_receive(NX_IP *ip_ptr, NX_PACKET *packet_ptr, UINT interface_instance_id)
|
|
|
|
|
void _nx_mnrs_network_driver_receive(NX_IP* ip_ptr, NX_PACKET* packet_ptr, UINT interface_instance_id)
|
|
|
|
|
{
|
|
|
|
|
UINT packet_type;
|
|
|
|
|
UINT packet_type;
|
|
|
|
|
#ifdef NX_ENABLE_VLAN
|
|
|
|
|
nx_link_ethernet_packet_received(ip_ptr,
|
|
|
|
|
nx_mnrs_driver[interface_instance_id].nx_mnrs_driver_interface_ptr -> nx_interface_index,
|
|
|
|
|
packet_ptr, NX_NULL);
|
|
|
|
|
nx_mnrs_driver[interface_instance_id].nx_mnrs_driver_interface_ptr->nx_interface_index,
|
|
|
|
|
packet_ptr,
|
|
|
|
|
NX_NULL);
|
|
|
|
|
#else
|
|
|
|
|
|
|
|
|
|
/* Pickup the packet header to determine where the packet needs to be
|
|
|
|
|
sent. */
|
|
|
|
|
packet_type = (((UINT)(*(packet_ptr -> nx_packet_prepend_ptr + 12))) << 8) |
|
|
|
|
|
((UINT)(*(packet_ptr -> nx_packet_prepend_ptr + 13)));
|
|
|
|
|
packet_type = (((UINT)(*(packet_ptr->nx_packet_prepend_ptr + 12))) << 8) |
|
|
|
|
|
((UINT)(*(packet_ptr->nx_packet_prepend_ptr + 13)));
|
|
|
|
|
/* Setup interface pointer. */
|
|
|
|
|
packet_ptr -> nx_packet_address.nx_packet_interface_ptr = nx_mnrs_driver[interface_instance_id].nx_mnrs_driver_interface_ptr;
|
|
|
|
|
packet_ptr->nx_packet_address.nx_packet_interface_ptr =
|
|
|
|
|
nx_mnrs_driver[interface_instance_id].nx_mnrs_driver_interface_ptr;
|
|
|
|
|
/* Route the incoming packet according to its ethernet type. */
|
|
|
|
|
/* The MNRS ETH driver accepts both IPv4 and IPv6 frames. */
|
|
|
|
|
if ((packet_type == NX_ETHERNET_IP) || (packet_type == NX_ETHERNET_IPV6))
|
|
|
|
|
@@ -853,32 +866,37 @@ UINT packet_type;
|
|
|
|
|
#endif /* NX_ENABLE_VLAN */
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
UINT _nx_mnrs_eth_send_packet(NX_PACKET *packet_ptr, volatile ethmac_t* ethmac){
|
|
|
|
|
ULONG size = 0;
|
|
|
|
|
UCHAR *data;
|
|
|
|
|
UINT i;
|
|
|
|
|
ULONG buffer;
|
|
|
|
|
ULONG words;
|
|
|
|
|
UINT _nx_mnrs_eth_send_packet(NX_PACKET* packet_ptr, volatile ethmac_t* ethmac)
|
|
|
|
|
{
|
|
|
|
|
ULONG size = 0;
|
|
|
|
|
UCHAR* data;
|
|
|
|
|
UINT i;
|
|
|
|
|
ULONG buffer;
|
|
|
|
|
ULONG words;
|
|
|
|
|
|
|
|
|
|
/* Make sure the data length is less than MTU. */
|
|
|
|
|
if (packet_ptr -> nx_packet_length > NX_MAX_PACKET_SIZE)
|
|
|
|
|
if (packet_ptr->nx_packet_length > NX_MAX_PACKET_SIZE)
|
|
|
|
|
{
|
|
|
|
|
return NX_NOT_SUCCESSFUL;
|
|
|
|
|
}
|
|
|
|
|
/* get data pointer to be transmitted. */
|
|
|
|
|
data = packet_ptr -> nx_packet_prepend_ptr;
|
|
|
|
|
size = packet_ptr -> nx_packet_length;
|
|
|
|
|
words = (size+3)/4;
|
|
|
|
|
while(get_ethmac_mac_ctrl_tx_ready(ethmac) == 0)
|
|
|
|
|
data = packet_ptr->nx_packet_prepend_ptr;
|
|
|
|
|
size = packet_ptr->nx_packet_length;
|
|
|
|
|
words = (size + 3) / 4;
|
|
|
|
|
while (get_ethmac_mac_ctrl_tx_ready(ethmac) == 0)
|
|
|
|
|
;
|
|
|
|
|
set_ethmac_mac_tx(ethmac, size*8);
|
|
|
|
|
for(i=0; i<size; i+=4) {
|
|
|
|
|
if(i<size-3) {
|
|
|
|
|
memcpy(&buffer, data+i, 4);
|
|
|
|
|
} else {
|
|
|
|
|
memcpy(&buffer, data+i, size-i);
|
|
|
|
|
set_ethmac_mac_tx(ethmac, size * 8);
|
|
|
|
|
for (i = 0; i < size; i += 4)
|
|
|
|
|
{
|
|
|
|
|
if (i < size - 3)
|
|
|
|
|
{
|
|
|
|
|
memcpy(&buffer, data + i, 4);
|
|
|
|
|
}
|
|
|
|
|
while(!get_ethmac_mac_ctrl_tx_ready(ethmac))
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
memcpy(&buffer, data + i, size - i);
|
|
|
|
|
}
|
|
|
|
|
while (!get_ethmac_mac_ctrl_tx_ready(ethmac))
|
|
|
|
|
;
|
|
|
|
|
set_ethmac_mac_tx(ethmac, buffer);
|
|
|
|
|
|
|
|
|
|
@@ -886,22 +904,26 @@ ULONG words;
|
|
|
|
|
return NX_SUCCESS;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
UINT mac_addr_hit(UINT i, MAC_ADDRESS* mac_addr) {
|
|
|
|
|
UINT mac_addr_hit(UINT i, MAC_ADDRESS* mac_addr)
|
|
|
|
|
{
|
|
|
|
|
UINT mcast_index;
|
|
|
|
|
if (nx_mnrs_driver[i].nx_mnrs_driver_mac_address.nx_mac_address_msw == mac_addr->nx_mac_address_msw &&
|
|
|
|
|
nx_mnrs_driver[i].nx_mnrs_driver_mac_address.nx_mac_address_lsw == mac_addr -> nx_mac_address_lsw)
|
|
|
|
|
nx_mnrs_driver[i].nx_mnrs_driver_mac_address.nx_mac_address_lsw == mac_addr->nx_mac_address_lsw)
|
|
|
|
|
{
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
UINT mcast_mac_addr_hit_idx(UINT i, MAC_ADDRESS*mac_addr) {
|
|
|
|
|
UINT mcast_mac_addr_hit_idx(UINT i, MAC_ADDRESS* mac_addr)
|
|
|
|
|
{
|
|
|
|
|
UINT mcast_index;
|
|
|
|
|
for (mcast_index = 0; mcast_index < NX_MNRS_DRIVER_MAX_MCAST_ADDRESSES; mcast_index++)
|
|
|
|
|
{
|
|
|
|
|
if (nx_mnrs_driver[i].nx_mnrs_driver_mcast_address[mcast_index].nx_mac_address_msw == mac_addr->nx_mac_address_msw &&
|
|
|
|
|
nx_mnrs_driver[i].nx_mnrs_driver_mcast_address[mcast_index].nx_mac_address_lsw == mac_addr -> nx_mac_address_lsw)
|
|
|
|
|
if (nx_mnrs_driver[i].nx_mnrs_driver_mcast_address[mcast_index].nx_mac_address_msw ==
|
|
|
|
|
mac_addr->nx_mac_address_msw &&
|
|
|
|
|
nx_mnrs_driver[i].nx_mnrs_driver_mcast_address[mcast_index].nx_mac_address_lsw ==
|
|
|
|
|
mac_addr->nx_mac_address_lsw)
|
|
|
|
|
{
|
|
|
|
|
return i;
|
|
|
|
|
}
|
|
|
|
|
@@ -910,15 +932,12 @@ UINT mcast_mac_addr_hit_idx(UINT i, MAC_ADDRESS*mac_addr) {
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static UCHAR nx_mnrs_receive_buffer[NX_MAX_PACKET_SIZE];
|
|
|
|
|
VOID _nx_mnrs_eth_recv_packet(UINT id, volatile ethmac_t* ethmac){
|
|
|
|
|
UINT bit_size;
|
|
|
|
|
UINT word_size;
|
|
|
|
|
UINT byte_size;
|
|
|
|
|
UINT i;
|
|
|
|
|
VOID _nx_mnrs_eth_recv_packet(UINT id, volatile ethmac_t* ethmac)
|
|
|
|
|
{
|
|
|
|
|
UINT bits_received;
|
|
|
|
|
UINT words_to_read;
|
|
|
|
|
UINT i, j;
|
|
|
|
|
UINT word;
|
|
|
|
|
UCHAR buffer[16];
|
|
|
|
|
MAC_ADDRESS to_mac;
|
|
|
|
|
MAC_ADDRESS from_mac;
|
|
|
|
|
UINT status;
|
|
|
|
|
NX_PACKET* packet_ptr;
|
|
|
|
|
NX_IP* ip_ptr;
|
|
|
|
|
@@ -928,56 +947,49 @@ VOID _nx_mnrs_eth_recv_packet(UINT id, volatile ethmac_t* ethmac){
|
|
|
|
|
UINT packet_type;
|
|
|
|
|
|
|
|
|
|
set_ethmac_mac_intr_rx_data_avail_intr_enable(ethmac, 0);
|
|
|
|
|
bit_size = get_ethmac_mac_rx(ethmac);
|
|
|
|
|
word_size = (bit_size+31)/32;
|
|
|
|
|
byte_size = (bit_size+7)/8;
|
|
|
|
|
if(word_size<4)
|
|
|
|
|
bits_received = get_ethmac_mac_rx(ethmac);
|
|
|
|
|
words_to_read = (bits_received + 31) / 32;
|
|
|
|
|
if (words_to_read < 4)
|
|
|
|
|
{
|
|
|
|
|
for (j = 0; j < words_to_read; j++)
|
|
|
|
|
{
|
|
|
|
|
while (!get_ethmac_mac_ctrl_rx_pending(ethmac))
|
|
|
|
|
;
|
|
|
|
|
// be carefull of unaligned accesses since data is 2byte aligned
|
|
|
|
|
word = get_ethmac_mac_rx(ethmac);
|
|
|
|
|
memcpy(data + j * sizeof(UINT), &word, sizeof(UINT));
|
|
|
|
|
}
|
|
|
|
|
set_ethmac_mac_intr_rx_data_avail_intr_enable(ethmac, 1);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
// read the first 14 bytes to get from and to mac address (6bytes each) and the frame type/length
|
|
|
|
|
for( i = 0;i < 4;i++)
|
|
|
|
|
{
|
|
|
|
|
while(!get_ethmac_mac_ctrl_rx_pending(ethmac))
|
|
|
|
|
;
|
|
|
|
|
// be carefull of unaligned accesses
|
|
|
|
|
word = get_ethmac_mac_rx(ethmac);
|
|
|
|
|
memcpy(buffer+i*sizeof(UINT), &word, sizeof(UINT));
|
|
|
|
|
}
|
|
|
|
|
to_mac.nx_mac_address_msw=(buffer[0]<<8) + buffer[1];
|
|
|
|
|
to_mac.nx_mac_address_lsw=(buffer[2]<<24) + (buffer[3]<<16) + (buffer[4]<<8) + buffer[5];
|
|
|
|
|
from_mac.nx_mac_address_msw=(buffer[6]<<8) + buffer[7];
|
|
|
|
|
from_mac.nx_mac_address_lsw=(buffer[8]<<24) + (buffer[9]<<16) + (buffer[10]<<8) + buffer[11];
|
|
|
|
|
// find the diver instance belonging to our ethmac
|
|
|
|
|
for(i=0; i<NX_MAX_MNRS_INTERFACES; ++i) {
|
|
|
|
|
if(nx_mnrs_driver[i].ethmac == ethmac)
|
|
|
|
|
for (i = 0; i < NX_MAX_PHYSICAL_INTERFACES; ++i)
|
|
|
|
|
{
|
|
|
|
|
if (nx_mnrs_driver[i].ethmac == ethmac)
|
|
|
|
|
{
|
|
|
|
|
ip_ptr = nx_mnrs_driver[i].nx_mnrs_driver_ip_ptr;
|
|
|
|
|
status = nx_packet_allocate(ip_ptr->nx_ip_default_packet_pool,
|
|
|
|
|
&packet_ptr, NX_RECEIVE_PACKET, NX_NO_WAIT);
|
|
|
|
|
status = nx_packet_allocate(ip_ptr->nx_ip_default_packet_pool, &packet_ptr, NX_RECEIVE_PACKET, NX_NO_WAIT);
|
|
|
|
|
if (status)
|
|
|
|
|
{
|
|
|
|
|
packet_ptr = NX_NULL;
|
|
|
|
|
data = nx_mnrs_receive_buffer;
|
|
|
|
|
}
|
|
|
|
|
else if (ip_ptr -> nx_ip_default_packet_pool -> nx_packet_pool_payload_size >= (NX_LINK_MTU + 2))
|
|
|
|
|
else if (ip_ptr->nx_ip_default_packet_pool->nx_packet_pool_payload_size >= (NX_LINK_MTU + 2))
|
|
|
|
|
{
|
|
|
|
|
data = packet_ptr -> nx_packet_prepend_ptr + 2;
|
|
|
|
|
data = packet_ptr->nx_packet_prepend_ptr + 2;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
data = nx_mnrs_receive_buffer;
|
|
|
|
|
}
|
|
|
|
|
/* read the data from the rx buffer into the packet pointer or our frame buffer */
|
|
|
|
|
memcpy(data, buffer, 16);
|
|
|
|
|
/* now get the remaining bytes from the ethmac peripheral */
|
|
|
|
|
for( i = 4;i < word_size;i++){
|
|
|
|
|
while(!get_ethmac_mac_ctrl_rx_pending(ethmac))
|
|
|
|
|
for (j = 0; j < words_to_read; j++)
|
|
|
|
|
{
|
|
|
|
|
while (!get_ethmac_mac_ctrl_rx_pending(ethmac))
|
|
|
|
|
;
|
|
|
|
|
// be carefull of unaligned accesses
|
|
|
|
|
// be carefull of unaligned accesses since data is 2byte aligned
|
|
|
|
|
word = get_ethmac_mac_rx(ethmac);
|
|
|
|
|
memcpy(data+i*sizeof(UINT), &word, sizeof(UINT));
|
|
|
|
|
memcpy(data + j * sizeof(UINT), &word, sizeof(UINT));
|
|
|
|
|
}
|
|
|
|
|
if (packet_ptr == NX_NULL)
|
|
|
|
|
{
|
|
|
|
|
@@ -985,13 +997,13 @@ VOID _nx_mnrs_eth_recv_packet(UINT id, volatile ethmac_t* ethmac){
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
/* Make sure IP header is 4-byte aligned. */
|
|
|
|
|
packet_ptr -> nx_packet_prepend_ptr += 2;
|
|
|
|
|
packet_ptr -> nx_packet_append_ptr += 2;
|
|
|
|
|
packet_ptr->nx_packet_prepend_ptr += 2;
|
|
|
|
|
packet_ptr->nx_packet_append_ptr += 2;
|
|
|
|
|
if (data == nx_mnrs_receive_buffer)
|
|
|
|
|
{
|
|
|
|
|
/* Copy data into packet. */
|
|
|
|
|
status = nx_packet_data_append(packet_ptr, (VOID *)data, bytes_received,
|
|
|
|
|
ip_ptr -> nx_ip_default_packet_pool, NX_NO_WAIT);
|
|
|
|
|
status = nx_packet_data_append(
|
|
|
|
|
packet_ptr, (VOID*)data, bytes_received, ip_ptr->nx_ip_default_packet_pool, NX_NO_WAIT);
|
|
|
|
|
if (status)
|
|
|
|
|
{
|
|
|
|
|
nx_packet_release(packet_ptr);
|
|
|
|
|
@@ -1000,72 +1012,29 @@ VOID _nx_mnrs_eth_recv_packet(UINT id, volatile ethmac_t* ethmac){
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
packet_ptr -> nx_packet_length = (ULONG)bytes_received;
|
|
|
|
|
packet_ptr -> nx_packet_append_ptr += (ULONG)bytes_received;
|
|
|
|
|
packet_ptr->nx_packet_length = (ULONG)bytes_received;
|
|
|
|
|
packet_ptr->nx_packet_append_ptr += (ULONG)bytes_received;
|
|
|
|
|
}
|
|
|
|
|
/* Pickup the packet header to determine where the packet needs to be sent. */
|
|
|
|
|
packet_type = (((UINT)(*(packet_ptr -> nx_packet_prepend_ptr + 12))) << 8) |
|
|
|
|
|
((UINT)(*(packet_ptr -> nx_packet_prepend_ptr + 13)));
|
|
|
|
|
/* Route the incoming packet according to its ethernet type. */
|
|
|
|
|
if ((packet_type == NX_ETHERNET_IP) || (packet_type == NX_ETHERNET_IPV6))
|
|
|
|
|
{
|
|
|
|
|
/* Note: The length reported by some Ethernet hardware includes bytes after the packet
|
|
|
|
|
as well as the Ethernet header. In some cases, the actual packet length after the
|
|
|
|
|
Ethernet header should be derived from the length in the IP header (lower 16 bits of
|
|
|
|
|
the first 32-bit word). */
|
|
|
|
|
|
|
|
|
|
/* Clean off the Ethernet header. */
|
|
|
|
|
packet_ptr -> nx_packet_prepend_ptr = packet_ptr -> nx_packet_prepend_ptr + NX_ETHERNET_SIZE;
|
|
|
|
|
/* Adjust the packet length. */
|
|
|
|
|
packet_ptr -> nx_packet_length = packet_ptr -> nx_packet_length - NX_ETHERNET_SIZE;
|
|
|
|
|
_nx_ip_packet_deferred_receive(ip_ptr, packet_ptr);
|
|
|
|
|
}
|
|
|
|
|
else if (packet_type == NX_ETHERNET_ARP)
|
|
|
|
|
{
|
|
|
|
|
/* Clean off the Ethernet header. */
|
|
|
|
|
packet_ptr -> nx_packet_prepend_ptr = packet_ptr -> nx_packet_prepend_ptr + NX_ETHERNET_SIZE;
|
|
|
|
|
/* Adjust the packet length. */
|
|
|
|
|
packet_ptr -> nx_packet_length = packet_ptr -> nx_packet_length - NX_ETHERNET_SIZE;
|
|
|
|
|
_nx_arp_packet_deferred_receive(ip_ptr, packet_ptr);
|
|
|
|
|
}
|
|
|
|
|
else if (packet_type == NX_ETHERNET_RARP)
|
|
|
|
|
{
|
|
|
|
|
/* Clean off the Ethernet header. */
|
|
|
|
|
packet_ptr -> nx_packet_prepend_ptr = packet_ptr -> nx_packet_prepend_ptr + NX_ETHERNET_SIZE;
|
|
|
|
|
/* Adjust the packet length. */
|
|
|
|
|
packet_ptr -> nx_packet_length = packet_ptr -> nx_packet_length - NX_ETHERNET_SIZE;
|
|
|
|
|
_nx_rarp_packet_deferred_receive(ip_ptr, packet_ptr);
|
|
|
|
|
}
|
|
|
|
|
#ifdef NX_ENABLE_PPPOE
|
|
|
|
|
else if ((packet_type == NX_ETHERNET_PPPOE_DISCOVERY) ||
|
|
|
|
|
(packet_type == NX_ETHERNET_PPPOE_SESSION))
|
|
|
|
|
{
|
|
|
|
|
/* Clean off the Ethernet header. */
|
|
|
|
|
packet_ptr -> nx_packet_prepend_ptr = packet_ptr -> nx_packet_prepend_ptr + NX_ETHERNET_SIZE;
|
|
|
|
|
/* Adjust the packet length. */
|
|
|
|
|
packet_ptr -> nx_packet_length = packet_ptr -> nx_packet_length - NX_ETHERNET_SIZE;
|
|
|
|
|
/* Route to the PPPoE receive function. */
|
|
|
|
|
_nx_pppoe_packet_deferred_receive(packet_ptr);
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
/* Invalid ethernet header... release the packet. */
|
|
|
|
|
nx_packet_release(packet_ptr);
|
|
|
|
|
}
|
|
|
|
|
_nx_mnrs_network_driver_receive(ip_ptr, packet_ptr, i);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
set_ethmac_mac_intr_rx_data_avail_intr_enable(ethmac, 1);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
VOID _nx_mnrs_eth_recv_packet_eth0(VOID){
|
|
|
|
|
if(get_ethmac_mac_ctrl_rx_pending(ethmac0)) {
|
|
|
|
|
VOID _nx_mnrs_eth_recv_packet_eth0(VOID)
|
|
|
|
|
{
|
|
|
|
|
if (get_ethmac_mac_ctrl_rx_pending(ethmac0))
|
|
|
|
|
{
|
|
|
|
|
_nx_mnrs_eth_recv_packet(0, ethmac0);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
VOID _nx_mnrs_eth_recv_packet_eth1(VOID){
|
|
|
|
|
if(get_ethmac_mac_ctrl_rx_pending(ethmac1)) {
|
|
|
|
|
VOID _nx_mnrs_eth_recv_packet_eth1(VOID)
|
|
|
|
|
{
|
|
|
|
|
if (get_ethmac_mac_ctrl_rx_pending(ethmac1))
|
|
|
|
|
{
|
|
|
|
|
_nx_mnrs_eth_recv_packet(1, ethmac1);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|