mirror of
https://gitee.com/mirrors_PX4/PX4-Autopilot.git
synced 2026-10-28 07:43:34 +08:00
RGMP 4.0 update from Qiang Yu
git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5305 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
+145
-152
@@ -60,6 +60,7 @@
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#include <rgmp/pmap.h>
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#include <rgmp/string.h>
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#include <rgmp/stdio.h>
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#include <rgmp/utils.h>
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#include <rgmp/arch/pci.h>
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#include <rgmp/memio.h>
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#include "e1000.h"
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@@ -104,9 +105,9 @@ struct e1000_dev {
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uint32_t io_mem_base;
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uint32_t mem_size;
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int pci_dev_id;
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uint16_t pci_addr;
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unsigned char src_mac[6];
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unsigned char dst_mac[6];
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int irq;
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struct irq_action int_desc;
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struct tx_ring tx_ring;
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struct rx_ring rx_ring;
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@@ -308,16 +309,16 @@ void e1000_init(struct e1000_dev *dev)
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e1000_outl(dev, E1000_FCRTH, pba*9/10);
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// setup tx rings
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txd_phys = PADDR(dev->tx_ring.desc);
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kmem_phys = PADDR(dev->tx_ring.buf);
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txd_phys = PADDR((uintptr_t)dev->tx_ring.desc);
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kmem_phys = PADDR((uintptr_t)dev->tx_ring.buf);
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for (i=0; i<CONFIG_E1000_N_TX_DESC; i++,kmem_phys+=CONFIG_E1000_BUFF_SIZE) {
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dev->tx_ring.desc[i].base_address = kmem_phys;
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dev->tx_ring.desc[i].packet_length = 0;
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dev->tx_ring.desc[i].cksum_offset = 0;
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dev->tx_ring.desc[i].cksum_origin = 0;
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dev->tx_ring.desc[i].desc_status = 1;
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dev->tx_ring.desc[i].desc_command = (1<<0)|(1<<1)|(1<<3);
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dev->tx_ring.desc[i].special_info = 0;
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dev->tx_ring.desc[i].base_address = kmem_phys;
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dev->tx_ring.desc[i].packet_length = 0;
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dev->tx_ring.desc[i].cksum_offset = 0;
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dev->tx_ring.desc[i].cksum_origin = 0;
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dev->tx_ring.desc[i].desc_status = 1;
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dev->tx_ring.desc[i].desc_command = (1<<0)|(1<<1)|(1<<3);
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dev->tx_ring.desc[i].special_info = 0;
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}
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dev->tx_ring.tail = 0;
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e1000_outl(dev, E1000_TDT, 0);
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@@ -329,15 +330,15 @@ void e1000_init(struct e1000_dev *dev)
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e1000_outl(dev, E1000_TXDCTL, 0x01010000);
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// setup rx rings
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rxd_phys = PADDR(dev->rx_ring.desc);
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kmem_phys = PADDR(dev->rx_ring.buf);
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rxd_phys = PADDR((uintptr_t)dev->rx_ring.desc);
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kmem_phys = PADDR((uintptr_t)dev->rx_ring.buf);
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for (i=0; i<CONFIG_E1000_N_RX_DESC; i++,kmem_phys+=CONFIG_E1000_BUFF_SIZE) {
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dev->rx_ring.desc[i].base_address = kmem_phys;
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dev->rx_ring.desc[i].packet_length = 0;
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dev->rx_ring.desc[i].packet_cksum = 0;
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dev->rx_ring.desc[i].desc_status = 0;
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dev->rx_ring.desc[i].desc_errors = 0;
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dev->rx_ring.desc[i].vlan_tag = 0;
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dev->rx_ring.desc[i].base_address = kmem_phys;
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dev->rx_ring.desc[i].packet_length = 0;
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dev->rx_ring.desc[i].packet_cksum = 0;
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dev->rx_ring.desc[i].desc_status = 0;
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dev->rx_ring.desc[i].desc_errors = 0;
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dev->rx_ring.desc[i].vlan_tag = 0;
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}
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dev->rx_ring.head = 0;
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dev->rx_ring.tail = CONFIG_E1000_N_RX_DESC-1;
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@@ -378,7 +379,7 @@ static int e1000_transmit(struct e1000_dev *e1000)
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{
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int tail = e1000->tx_ring.tail;
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unsigned char *cp = (unsigned char *)
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(e1000->tx_ring.buf + tail * CONFIG_E1000_BUFF_SIZE);
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(e1000->tx_ring.buf + tail * CONFIG_E1000_BUFF_SIZE);
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int count = e1000->uip_dev.d_len;
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/* Verify that the hardware is ready to send another packet. If we get
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@@ -387,7 +388,7 @@ static int e1000_transmit(struct e1000_dev *e1000)
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*/
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if (!e1000->tx_ring.desc[tail].desc_status)
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return -1;
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return -1;
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/* Increment statistics */
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@@ -445,14 +446,14 @@ static int e1000_uiptxpoll(struct uip_driver_s *dev)
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*/
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if (e1000->uip_dev.d_len > 0) {
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uip_arp_out(&e1000->uip_dev);
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e1000_transmit(e1000);
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uip_arp_out(&e1000->uip_dev);
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e1000_transmit(e1000);
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/* Check if there is room in the device to hold another packet. If not,
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* return a non-zero value to terminate the poll.
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*/
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if (!e1000->tx_ring.desc[tail].desc_status)
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return -1;
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/* Check if there is room in the device to hold another packet. If not,
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* return a non-zero value to terminate the poll.
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*/
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if (!e1000->tx_ring.desc[tail].desc_status)
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return -1;
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}
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/* If zero is returned, the polling will continue until all connections have
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@@ -483,75 +484,75 @@ static void e1000_receive(struct e1000_dev *e1000)
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{
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int head = e1000->rx_ring.head;
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unsigned char *cp = (unsigned char *)
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(e1000->rx_ring.buf + head * CONFIG_E1000_BUFF_SIZE);
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(e1000->rx_ring.buf + head * CONFIG_E1000_BUFF_SIZE);
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int cnt;
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while (e1000->rx_ring.desc[head].desc_status) {
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/* Check for errors and update statistics */
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/* Check for errors and update statistics */
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// Here we do not handle packets that exceed packet-buffer size
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if ((e1000->rx_ring.desc[head].desc_status & 3) == 1) {
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cprintf("NIC READ: Oversized packet\n");
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goto next;
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}
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// Here we do not handle packets that exceed packet-buffer size
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if ((e1000->rx_ring.desc[head].desc_status & 3) == 1) {
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cprintf("NIC READ: Oversized packet\n");
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goto next;
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}
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/* Check if the packet is a valid size for the uIP buffer configuration */
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/* Check if the packet is a valid size for the uIP buffer configuration */
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// get the number of actual data-bytes in this packet
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cnt = e1000->rx_ring.desc[head].packet_length;
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// get the number of actual data-bytes in this packet
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cnt = e1000->rx_ring.desc[head].packet_length;
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if (cnt > CONFIG_NET_BUFSIZE || cnt < 14) {
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cprintf("NIC READ: invalid package size\n");
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goto next;
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}
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if (cnt > CONFIG_NET_BUFSIZE || cnt < 14) {
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cprintf("NIC READ: invalid package size\n");
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goto next;
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}
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/* Copy the data data from the hardware to e1000->uip_dev.d_buf. Set
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* amount of data in e1000->uip_dev.d_len
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*/
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/* Copy the data data from the hardware to e1000->uip_dev.d_buf. Set
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* amount of data in e1000->uip_dev.d_len
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*/
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// now we try to copy these data-bytes to the UIP buffer
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memcpy(e1000->uip_dev.d_buf, cp, cnt);
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e1000->uip_dev.d_len = cnt;
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// now we try to copy these data-bytes to the UIP buffer
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memcpy(e1000->uip_dev.d_buf, cp, cnt);
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e1000->uip_dev.d_len = cnt;
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/* We only accept IP packets of the configured type and ARP packets */
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/* We only accept IP packets of the configured type and ARP packets */
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#ifdef CONFIG_NET_IPv6
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if (BUF->type == HTONS(UIP_ETHTYPE_IP6))
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if (BUF->type == HTONS(UIP_ETHTYPE_IP6))
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#else
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if (BUF->type == HTONS(UIP_ETHTYPE_IP))
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if (BUF->type == HTONS(UIP_ETHTYPE_IP))
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#endif
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{
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uip_arp_ipin(&e1000->uip_dev);
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uip_input(&e1000->uip_dev);
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{
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uip_arp_ipin(&e1000->uip_dev);
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uip_input(&e1000->uip_dev);
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/* If the above function invocation resulted in data that should be
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* sent out on the network, the field d_len will set to a value > 0.
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*/
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/* If the above function invocation resulted in data that should be
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* sent out on the network, the field d_len will set to a value > 0.
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*/
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if (e1000->uip_dev.d_len > 0) {
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uip_arp_out(&e1000->uip_dev);
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e1000_transmit(e1000);
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}
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}
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else if (BUF->type == htons(UIP_ETHTYPE_ARP)) {
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uip_arp_arpin(&e1000->uip_dev);
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if (e1000->uip_dev.d_len > 0) {
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uip_arp_out(&e1000->uip_dev);
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e1000_transmit(e1000);
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}
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}
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else if (BUF->type == htons(UIP_ETHTYPE_ARP)) {
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uip_arp_arpin(&e1000->uip_dev);
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/* If the above function invocation resulted in data that should be
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* sent out on the network, the field d_len will set to a value > 0.
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*/
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/* If the above function invocation resulted in data that should be
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* sent out on the network, the field d_len will set to a value > 0.
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*/
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if (e1000->uip_dev.d_len > 0) {
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e1000_transmit(e1000);
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}
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}
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if (e1000->uip_dev.d_len > 0) {
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e1000_transmit(e1000);
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}
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}
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next:
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e1000->rx_ring.desc[head].desc_status = 0;
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e1000->rx_ring.head = (head + 1) % CONFIG_E1000_N_RX_DESC;
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e1000->rx_ring.free++;
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head = e1000->rx_ring.head;
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cp = (unsigned char *)(e1000->rx_ring.buf + head * CONFIG_E1000_BUFF_SIZE);
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e1000->rx_ring.desc[head].desc_status = 0;
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e1000->rx_ring.head = (head + 1) % CONFIG_E1000_N_RX_DESC;
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e1000->rx_ring.free++;
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head = e1000->rx_ring.head;
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cp = (unsigned char *)(e1000->rx_ring.buf + head * CONFIG_E1000_BUFF_SIZE);
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}
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}
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@@ -615,7 +616,7 @@ static void e1000_polltimer(int argc, uint32_t arg, ...)
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* the TX poll if he are unable to accept another packet for transmission.
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*/
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if (!e1000->tx_ring.desc[tail].desc_status)
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return;
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return;
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/* If so, update TCP timing states and poll uIP for new XMIT data. Hmmm..
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* might be bug here. Does this mean if there is a transmit in progress,
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@@ -651,8 +652,8 @@ static int e1000_ifup(struct uip_driver_s *dev)
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struct e1000_dev *e1000 = (struct e1000_dev *)dev->d_private;
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ndbg("Bringing up: %d.%d.%d.%d\n",
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dev->d_ipaddr & 0xff, (dev->d_ipaddr >> 8) & 0xff,
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(dev->d_ipaddr >> 16) & 0xff, dev->d_ipaddr >> 24 );
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dev->d_ipaddr & 0xff, (dev->d_ipaddr >> 8) & 0xff,
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(dev->d_ipaddr >> 16) & 0xff, dev->d_ipaddr >> 24 );
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/* Initialize PHYs, the Ethernet interface, and setup up Ethernet interrupts */
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e1000_init(e1000);
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@@ -662,9 +663,9 @@ static int e1000_ifup(struct uip_driver_s *dev)
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(void)wd_start(e1000->txpoll, E1000_WDDELAY, e1000_polltimer, 1, (uint32_t)e1000);
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if (e1000_inl(e1000, E1000_STATUS) & 2)
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e1000->bifup = true;
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e1000->bifup = true;
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else
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e1000->bifup = false;
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e1000->bifup = false;
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return OK;
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}
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@@ -749,9 +750,9 @@ static int e1000_txavail(struct uip_driver_s *dev)
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/* Ignore the notification if the interface is not yet up */
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if (e1000->bifup) {
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/* Check if there is room in the hardware to hold another outgoing packet. */
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if (e1000->tx_ring.desc[tail].desc_status)
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(void)uip_poll(&e1000->uip_dev, e1000_uiptxpoll);
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/* Check if there is room in the hardware to hold another outgoing packet. */
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if (e1000->tx_ring.desc[tail].desc_status)
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(void)uip_poll(&e1000->uip_dev, e1000_uiptxpoll);
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}
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irqrestore(flags);
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@@ -779,11 +780,11 @@ static int e1000_txavail(struct uip_driver_s *dev)
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#ifdef CONFIG_NET_IGMP
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static int e1000_addmac(struct uip_driver_s *dev, const uint8_t *mac)
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{
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struct e1000_dev *e1000 = (struct e1000_dev *)dev->d_private;
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struct e1000_dev *e1000 = (struct e1000_dev *)dev->d_private;
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/* Add the MAC address to the hardware multicast routing table */
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/* Add the MAC address to the hardware multicast routing table */
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return OK;
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return OK;
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}
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#endif
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@@ -808,15 +809,15 @@ static int e1000_addmac(struct uip_driver_s *dev, const uint8_t *mac)
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#ifdef CONFIG_NET_IGMP
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static int e1000_rmmac(struct uip_driver_s *dev, const uint8_t *mac)
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{
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struct e1000_dev *e1000 = (struct e1000_dev *)dev->d_private;
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struct e1000_dev *e1000 = (struct e1000_dev *)dev->d_private;
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/* Add the MAC address to the hardware multicast routing table */
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/* Add the MAC address to the hardware multicast routing table */
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return OK;
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return OK;
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}
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#endif
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irqreturn_t e1000_interrupt_handler(struct Trapframe *tf, void *dev_id)
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static irqreturn_t e1000_interrupt_handler(int irq, void *dev_id)
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{
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struct e1000_dev *e1000 = (struct e1000_dev *)dev_id;
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@@ -826,27 +827,27 @@ irqreturn_t e1000_interrupt_handler(struct Trapframe *tf, void *dev_id)
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|
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// not for me
|
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if (intr_cause == 0)
|
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return IRQ_NONE;
|
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return IRQ_NONE;
|
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|
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/* Handle interrupts according to status bit settings */
|
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|
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// Link status change
|
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if (intr_cause & (1<<2)) {
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if (e1000_inl(e1000, E1000_STATUS) & 2)
|
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e1000->bifup = true;
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else
|
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e1000->bifup = false;
|
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if (e1000_inl(e1000, E1000_STATUS) & 2)
|
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e1000->bifup = true;
|
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else
|
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e1000->bifup = false;
|
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}
|
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|
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/* Check if we received an incoming packet, if so, call skel_receive() */
|
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|
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// Rx-descriptor Timer expired
|
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if (intr_cause & (1<<7))
|
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e1000_receive(e1000);
|
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e1000_receive(e1000);
|
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|
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// Tx queue empty
|
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if (intr_cause & (1<<1))
|
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wd_cancel(e1000->txtimeout);
|
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wd_cancel(e1000->txtimeout);
|
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|
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/* Check is a packet transmission just completed. If so, call skel_txdone.
|
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* This may disable further Tx interrupts if there are no pending
|
||||
@@ -855,17 +856,17 @@ irqreturn_t e1000_interrupt_handler(struct Trapframe *tf, void *dev_id)
|
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|
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// Tx-descriptor Written back
|
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if (intr_cause & (1<<0))
|
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uip_poll(&e1000->uip_dev, e1000_uiptxpoll);
|
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uip_poll(&e1000->uip_dev, e1000_uiptxpoll);
|
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|
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|
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// Rx-Descriptors Low
|
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if (intr_cause & (1<<4)) {
|
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int tail;
|
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tail = e1000->rx_ring.tail + e1000->rx_ring.free;
|
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tail %= CONFIG_E1000_N_RX_DESC;
|
||||
e1000->rx_ring.tail = tail;
|
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e1000->rx_ring.free = 0;
|
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e1000_outl(e1000, E1000_RDT, tail);
|
||||
int tail;
|
||||
tail = e1000->rx_ring.tail + e1000->rx_ring.free;
|
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tail %= CONFIG_E1000_N_RX_DESC;
|
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e1000->rx_ring.tail = tail;
|
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e1000->rx_ring.free = 0;
|
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e1000_outl(e1000, E1000_RDT, tail);
|
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}
|
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|
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return IRQ_HANDLED;
|
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@@ -885,20 +886,21 @@ static pci_id_t e1000_id_table[] = {
|
||||
static int e1000_probe(uint16_t addr, pci_id_t id)
|
||||
{
|
||||
uint32_t mmio_base, mmio_size;
|
||||
uint32_t pci_cmd, size;
|
||||
int err, irq, flags;
|
||||
uint32_t size;
|
||||
int err;
|
||||
void *kmem, *omem;
|
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struct e1000_dev *dev;
|
||||
|
||||
// alloc e1000_dev memory
|
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dev = kzalloc(sizeof(struct e1000_dev));
|
||||
if (dev == NULL)
|
||||
return -1;
|
||||
if ((dev = kzalloc(sizeof(struct e1000_dev))) == NULL)
|
||||
return -1;
|
||||
|
||||
// save pci addr
|
||||
dev->pci_addr = addr;
|
||||
|
||||
// enable device
|
||||
err = pci_enable_device(addr, PCI_RESOURCE_MEM);
|
||||
if (err)
|
||||
goto error;
|
||||
if ((err = pci_enable_device(addr, PCI_BUS_MASTER)) < 0)
|
||||
goto error;
|
||||
|
||||
// get e1000 device type
|
||||
dev->pci_dev_id = id.join;
|
||||
@@ -908,33 +910,20 @@ static int e1000_probe(uint16_t addr, pci_id_t id)
|
||||
mmio_size = pci_resource_len(addr, 0);
|
||||
err = rgmp_memmap_nocache(mmio_base, mmio_size, mmio_base);
|
||||
if (err)
|
||||
goto error;
|
||||
goto error;
|
||||
dev->phy_mem_base = mmio_base;
|
||||
dev->io_mem_base = mmio_base;
|
||||
dev->mem_size = mmio_size;
|
||||
|
||||
// make sure the controller's Bus Master capability is enabled
|
||||
pci_cmd = pci_config_readl(addr, PCI_COMMAND);
|
||||
pci_cmd |= (1<<2);
|
||||
pci_config_writel(addr, PCI_COMMAND, pci_cmd);
|
||||
|
||||
// MAC address
|
||||
memset(dev->dst_mac, 0xFF, 6);
|
||||
memcpy(dev->src_mac, (void *)(dev->io_mem_base+E1000_RA), 6);
|
||||
|
||||
// get e1000 IRQ
|
||||
flags = 0;
|
||||
irq = pci_enable_msi(addr);
|
||||
if (irq == 0) {
|
||||
irq = pci_read_irq(addr);
|
||||
flags |= IDC_SHARE;
|
||||
}
|
||||
dev->irq = irq;
|
||||
// IRQ setup
|
||||
dev->int_desc.handler = e1000_interrupt_handler;
|
||||
dev->int_desc.dev_id = dev;
|
||||
err = rgmp_request_irq(irq, &dev->int_desc, flags);
|
||||
if (err)
|
||||
goto err0;
|
||||
if ((err = pci_request_irq(addr, &dev->int_desc, 0)) < 0)
|
||||
goto err0;
|
||||
|
||||
// Here we alloc a big block of memory once and make it
|
||||
// aligned to page boundary and multiple of page size. This
|
||||
@@ -942,15 +931,19 @@ static int e1000_probe(uint16_t addr, pci_id_t id)
|
||||
// should be mapped no-cache which will hugely reduce memory
|
||||
// access performance. The page size alloc will restrict
|
||||
// this bad effect only within the memory we alloc here.
|
||||
//
|
||||
// NEED FIX: the memalign may alloc memory continous in
|
||||
// virtual address but dis-continous in physical address
|
||||
// due to RGMP memory setup.
|
||||
size = CONFIG_E1000_N_TX_DESC * sizeof(struct tx_desc) +
|
||||
CONFIG_E1000_N_TX_DESC * CONFIG_E1000_BUFF_SIZE +
|
||||
CONFIG_E1000_N_RX_DESC * sizeof(struct rx_desc) +
|
||||
CONFIG_E1000_N_RX_DESC * CONFIG_E1000_BUFF_SIZE;
|
||||
CONFIG_E1000_N_TX_DESC * CONFIG_E1000_BUFF_SIZE +
|
||||
CONFIG_E1000_N_RX_DESC * sizeof(struct rx_desc) +
|
||||
CONFIG_E1000_N_RX_DESC * CONFIG_E1000_BUFF_SIZE;
|
||||
size = ROUNDUP(size, PGSIZE);
|
||||
omem = kmem = memalign(PGSIZE, size);
|
||||
if (kmem == NULL) {
|
||||
err = -ENOMEM;
|
||||
goto err1;
|
||||
err = -ENOMEM;
|
||||
goto err1;
|
||||
}
|
||||
rgmp_memremap_nocache((uintptr_t)kmem, size);
|
||||
|
||||
@@ -991,7 +984,7 @@ static int e1000_probe(uint16_t addr, pci_id_t id)
|
||||
/* Register the device with the OS so that socket IOCTLs can be performed */
|
||||
err = netdev_register(&dev->uip_dev);
|
||||
if (err)
|
||||
goto err2;
|
||||
goto err2;
|
||||
|
||||
// insert into e1000_list
|
||||
dev->next = e1000_list.next;
|
||||
@@ -1000,14 +993,14 @@ static int e1000_probe(uint16_t addr, pci_id_t id)
|
||||
|
||||
return 0;
|
||||
|
||||
err2:
|
||||
err2:
|
||||
rgmp_memremap((uintptr_t)omem, size);
|
||||
free(omem);
|
||||
err1:
|
||||
rgmp_free_irq(irq, &dev->int_desc);
|
||||
err0:
|
||||
err1:
|
||||
pci_free_irq(addr);
|
||||
err0:
|
||||
rgmp_memunmap(mmio_base, mmio_size);
|
||||
error:
|
||||
error:
|
||||
kfree(dev);
|
||||
cprintf("e1000 device probe fail: %d\n", err);
|
||||
return err;
|
||||
@@ -1028,21 +1021,21 @@ void e1000_mod_exit(void)
|
||||
struct e1000_dev *dev;
|
||||
|
||||
size = CONFIG_E1000_N_TX_DESC * sizeof(struct tx_desc) +
|
||||
CONFIG_E1000_N_TX_DESC * CONFIG_E1000_BUFF_SIZE +
|
||||
CONFIG_E1000_N_RX_DESC * sizeof(struct rx_desc) +
|
||||
CONFIG_E1000_N_RX_DESC * CONFIG_E1000_BUFF_SIZE;
|
||||
CONFIG_E1000_N_TX_DESC * CONFIG_E1000_BUFF_SIZE +
|
||||
CONFIG_E1000_N_RX_DESC * sizeof(struct rx_desc) +
|
||||
CONFIG_E1000_N_RX_DESC * CONFIG_E1000_BUFF_SIZE;
|
||||
size = ROUNDUP(size, PGSIZE);
|
||||
|
||||
for (dev=e1000_list.next; dev!=NULL; dev=dev->next) {
|
||||
netdev_unregister(&dev->uip_dev);
|
||||
e1000_reset(dev);
|
||||
wd_delete(dev->txpoll);
|
||||
wd_delete(dev->txtimeout);
|
||||
rgmp_memremap((uintptr_t)dev->tx_ring.desc, size);
|
||||
free(dev->tx_ring.desc);
|
||||
rgmp_free_irq(dev->irq, &dev->int_desc);
|
||||
rgmp_memunmap((uintptr_t)dev->io_mem_base, dev->mem_size);
|
||||
kfree(dev);
|
||||
netdev_unregister(&dev->uip_dev);
|
||||
e1000_reset(dev);
|
||||
wd_delete(dev->txpoll);
|
||||
wd_delete(dev->txtimeout);
|
||||
rgmp_memremap((uintptr_t)dev->tx_ring.desc, size);
|
||||
free(dev->tx_ring.desc);
|
||||
pci_free_irq(dev->pci_addr);
|
||||
rgmp_memunmap((uintptr_t)dev->io_mem_base, dev->mem_size);
|
||||
kfree(dev);
|
||||
}
|
||||
|
||||
e1000_list.next = NULL;
|
||||
|
||||
@@ -44,9 +44,7 @@
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <rgmp/types.h>
|
||||
#include <rgmp/trap.h>
|
||||
#include <rgmp/arch/arch.h>
|
||||
#include <stdint.h>
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
|
||||
+163
-164
@@ -168,30 +168,30 @@ static int vnet_transmit(FAR struct vnet_driver_s *vnet)
|
||||
{
|
||||
int err;
|
||||
|
||||
/* Verify that the hardware is ready to send another packet. If we get
|
||||
* here, then we are committed to sending a packet; Higher level logic
|
||||
* must have assured that there is not transmission in progress.
|
||||
*/
|
||||
/* Verify that the hardware is ready to send another packet. If we get
|
||||
* here, then we are committed to sending a packet; Higher level logic
|
||||
* must have assured that there is not transmission in progress.
|
||||
*/
|
||||
|
||||
/* Increment statistics */
|
||||
/* Increment statistics */
|
||||
|
||||
/* Send the packet: address=vnet->sk_dev.d_buf, length=vnet->sk_dev.d_len */
|
||||
/* Send the packet: address=vnet->sk_dev.d_buf, length=vnet->sk_dev.d_len */
|
||||
err = vnet_xmit(vnet->vnet, (char *)vnet->sk_dev.d_buf, vnet->sk_dev.d_len);
|
||||
if (err) {
|
||||
/* Setup the TX timeout watchdog (perhaps restarting the timer) */
|
||||
//(void)wd_start(vnet->sk_txtimeout, VNET_TXTIMEOUT, vnet_txtimeout, 1, (uint32_t)vnet);
|
||||
/* Setup the TX timeout watchdog (perhaps restarting the timer) */
|
||||
//(void)wd_start(vnet->sk_txtimeout, VNET_TXTIMEOUT, vnet_txtimeout, 1, (uint32_t)vnet);
|
||||
|
||||
// When vnet_xmit fail, it means TX buffer is full. Watchdog
|
||||
// is of no use here because no TX done INT will happen. So
|
||||
// we reset the TX buffer directly.
|
||||
// When vnet_xmit fail, it means TX buffer is full. Watchdog
|
||||
// is of no use here because no TX done INT will happen. So
|
||||
// we reset the TX buffer directly.
|
||||
#ifdef CONFIG_DEBUG
|
||||
cprintf("VNET: TX buffer is full\n");
|
||||
cprintf("VNET: TX buffer is full\n");
|
||||
#endif
|
||||
return ERROR;
|
||||
return ERROR;
|
||||
}
|
||||
else {
|
||||
// this step may be unnecessary here
|
||||
vnet_txdone(vnet);
|
||||
// this step may be unnecessary here
|
||||
vnet_txdone(vnet);
|
||||
}
|
||||
|
||||
return OK;
|
||||
@@ -223,29 +223,29 @@ static int vnet_transmit(FAR struct vnet_driver_s *vnet)
|
||||
|
||||
static int vnet_uiptxpoll(struct uip_driver_s *dev)
|
||||
{
|
||||
FAR struct vnet_driver_s *vnet = (FAR struct vnet_driver_s *)dev->d_private;
|
||||
FAR struct vnet_driver_s *vnet = (FAR struct vnet_driver_s *)dev->d_private;
|
||||
|
||||
/* If the polling resulted in data that should be sent out on the network,
|
||||
* the field d_len is set to a value > 0.
|
||||
*/
|
||||
/* If the polling resulted in data that should be sent out on the network,
|
||||
* the field d_len is set to a value > 0.
|
||||
*/
|
||||
|
||||
if (vnet->sk_dev.d_len > 0)
|
||||
if (vnet->sk_dev.d_len > 0)
|
||||
{
|
||||
uip_arp_out(&vnet->sk_dev);
|
||||
vnet_transmit(vnet);
|
||||
uip_arp_out(&vnet->sk_dev);
|
||||
vnet_transmit(vnet);
|
||||
|
||||
/* Check if there is room in the device to hold another packet. If not,
|
||||
* return a non-zero value to terminate the poll.
|
||||
*/
|
||||
if (vnet_is_txbuff_full(vnet->vnet))
|
||||
return 1;
|
||||
/* Check if there is room in the device to hold another packet. If not,
|
||||
* return a non-zero value to terminate the poll.
|
||||
*/
|
||||
if (vnet_is_txbuff_full(vnet->vnet))
|
||||
return 1;
|
||||
}
|
||||
|
||||
/* If zero is returned, the polling will continue until all connections have
|
||||
* been examined.
|
||||
*/
|
||||
/* If zero is returned, the polling will continue until all connections have
|
||||
* been examined.
|
||||
*/
|
||||
|
||||
return 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
@@ -265,54 +265,53 @@ static int vnet_uiptxpoll(struct uip_driver_s *dev)
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void rtos_vnet_recv(struct rgmp_vnet *vnet_dummy, char *data, int len)
|
||||
void rtos_vnet_recv(struct rgmp_vnet *rgmp_vnet, char *data, int len)
|
||||
{
|
||||
// now only support 1 vnet
|
||||
struct vnet_driver_s *vnet = &g_vnet[0];
|
||||
struct vnet_driver_s *vnet = rgmp_vnet->priv;
|
||||
|
||||
do {
|
||||
/* Check for errors and update statistics */
|
||||
/* 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) {
|
||||
/* 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);
|
||||
cprintf("VNET: receive invalid packet of size %d\n", len);
|
||||
#endif
|
||||
return;
|
||||
}
|
||||
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;
|
||||
// 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 */
|
||||
/* We only accept IP packets of the configured type and ARP packets */
|
||||
|
||||
#ifdef CONFIG_NET_IPv6
|
||||
if (BUF->type == HTONS(UIP_ETHTYPE_IP6))
|
||||
if (BUF->type == HTONS(UIP_ETHTYPE_IP6))
|
||||
#else
|
||||
if (BUF->type == HTONS(UIP_ETHTYPE_IP))
|
||||
if (BUF->type == HTONS(UIP_ETHTYPE_IP))
|
||||
#endif
|
||||
{
|
||||
uip_arp_ipin(&vnet->sk_dev);
|
||||
uip_input(&vnet->sk_dev);
|
||||
{
|
||||
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) {
|
||||
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);
|
||||
}
|
||||
}
|
||||
// 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 */
|
||||
}
|
||||
@@ -336,17 +335,17 @@ void rtos_vnet_recv(struct rgmp_vnet *vnet_dummy, char *data, int len)
|
||||
|
||||
static void vnet_txdone(FAR struct vnet_driver_s *vnet)
|
||||
{
|
||||
/* Check for errors and update statistics */
|
||||
/* Check for errors and update statistics */
|
||||
|
||||
/* If no further xmits are pending, then cancel the TX timeout and
|
||||
* disable further Tx interrupts.
|
||||
*/
|
||||
/* If no further xmits are pending, then cancel the TX timeout and
|
||||
* disable further Tx interrupts.
|
||||
*/
|
||||
|
||||
//wd_cancel(vnet->sk_txtimeout);
|
||||
//wd_cancel(vnet->sk_txtimeout);
|
||||
|
||||
/* Then poll uIP for new XMIT data */
|
||||
/* Then poll uIP for new XMIT data */
|
||||
|
||||
(void)uip_poll(&vnet->sk_dev, vnet_uiptxpoll);
|
||||
(void)uip_poll(&vnet->sk_dev, vnet_uiptxpoll);
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
@@ -370,15 +369,15 @@ static void vnet_txdone(FAR struct vnet_driver_s *vnet)
|
||||
|
||||
static void vnet_txtimeout(int argc, uint32_t arg, ...)
|
||||
{
|
||||
FAR struct vnet_driver_s *vnet = (FAR struct vnet_driver_s *)arg;
|
||||
FAR struct vnet_driver_s *vnet = (FAR struct vnet_driver_s *)arg;
|
||||
|
||||
/* Increment statistics and dump debug info */
|
||||
/* Increment statistics and dump debug info */
|
||||
|
||||
/* Then reset the hardware */
|
||||
/* Then reset the hardware */
|
||||
|
||||
/* Then poll uIP for new XMIT data */
|
||||
/* Then poll uIP for new XMIT data */
|
||||
|
||||
(void)uip_poll(&vnet->sk_dev, vnet_uiptxpoll);
|
||||
(void)uip_poll(&vnet->sk_dev, vnet_uiptxpoll);
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
@@ -401,28 +400,28 @@ static void vnet_txtimeout(int argc, uint32_t arg, ...)
|
||||
|
||||
static void vnet_polltimer(int argc, uint32_t arg, ...)
|
||||
{
|
||||
FAR struct vnet_driver_s *vnet = (FAR struct vnet_driver_s *)arg;
|
||||
FAR struct vnet_driver_s *vnet = (FAR struct vnet_driver_s *)arg;
|
||||
|
||||
/* Check if there is room in the send another TX packet. We cannot perform
|
||||
* the TX poll if he are unable to accept another packet for transmission.
|
||||
*/
|
||||
if (vnet_is_txbuff_full(vnet->vnet)) {
|
||||
/* Check if there is room in the send another TX packet. We cannot perform
|
||||
* the TX poll if he are unable to accept another packet for transmission.
|
||||
*/
|
||||
if (vnet_is_txbuff_full(vnet->vnet)) {
|
||||
#ifdef CONFIG_DEBUG
|
||||
cprintf("VNET: TX buffer is full\n");
|
||||
cprintf("VNET: TX buffer is full\n");
|
||||
#endif
|
||||
return;
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
/* If so, update TCP timing states and poll uIP for new XMIT data. Hmmm..
|
||||
* might be bug here. Does this mean if there is a transmit in progress,
|
||||
* we will missing TCP time state updates?
|
||||
*/
|
||||
/* If so, update TCP timing states and poll uIP for new XMIT data. Hmmm..
|
||||
* might be bug here. Does this mean if there is a transmit in progress,
|
||||
* we will missing TCP time state updates?
|
||||
*/
|
||||
|
||||
(void)uip_timer(&vnet->sk_dev, vnet_uiptxpoll, VNET_POLLHSEC);
|
||||
(void)uip_timer(&vnet->sk_dev, vnet_uiptxpoll, VNET_POLLHSEC);
|
||||
|
||||
/* Setup the watchdog poll timer again */
|
||||
/* Setup the watchdog poll timer again */
|
||||
|
||||
(void)wd_start(vnet->sk_txpoll, VNET_WDDELAY, vnet_polltimer, 1, arg);
|
||||
(void)wd_start(vnet->sk_txpoll, VNET_WDDELAY, vnet_polltimer, 1, arg);
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
@@ -444,20 +443,20 @@ static void vnet_polltimer(int argc, uint32_t arg, ...)
|
||||
|
||||
static int vnet_ifup(struct uip_driver_s *dev)
|
||||
{
|
||||
FAR struct vnet_driver_s *vnet = (FAR struct vnet_driver_s *)dev->d_private;
|
||||
FAR struct vnet_driver_s *vnet = (FAR struct vnet_driver_s *)dev->d_private;
|
||||
|
||||
ndbg("Bringing up: %d.%d.%d.%d\n",
|
||||
dev->d_ipaddr & 0xff, (dev->d_ipaddr >> 8) & 0xff,
|
||||
(dev->d_ipaddr >> 16) & 0xff, dev->d_ipaddr >> 24 );
|
||||
ndbg("Bringing up: %d.%d.%d.%d\n",
|
||||
dev->d_ipaddr & 0xff, (dev->d_ipaddr >> 8) & 0xff,
|
||||
(dev->d_ipaddr >> 16) & 0xff, dev->d_ipaddr >> 24 );
|
||||
|
||||
/* Initialize PHYs, the Ethernet interface, and setup up Ethernet interrupts */
|
||||
/* Initialize PHYs, the Ethernet interface, and setup up Ethernet interrupts */
|
||||
|
||||
/* Set and activate a timer process */
|
||||
/* Set and activate a timer process */
|
||||
|
||||
(void)wd_start(vnet->sk_txpoll, VNET_WDDELAY, vnet_polltimer, 1, (uint32_t)vnet);
|
||||
(void)wd_start(vnet->sk_txpoll, VNET_WDDELAY, vnet_polltimer, 1, (uint32_t)vnet);
|
||||
|
||||
vnet->sk_bifup = true;
|
||||
return OK;
|
||||
vnet->sk_bifup = true;
|
||||
return OK;
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
@@ -478,28 +477,28 @@ static int vnet_ifup(struct uip_driver_s *dev)
|
||||
|
||||
static int vnet_ifdown(struct uip_driver_s *dev)
|
||||
{
|
||||
FAR struct vnet_driver_s *vnet = (FAR struct vnet_driver_s *)dev->d_private;
|
||||
irqstate_t flags;
|
||||
FAR struct vnet_driver_s *vnet = (FAR struct vnet_driver_s *)dev->d_private;
|
||||
irqstate_t flags;
|
||||
|
||||
/* Disable the Ethernet interrupt */
|
||||
/* Disable the Ethernet interrupt */
|
||||
|
||||
flags = irqsave();
|
||||
flags = irqsave();
|
||||
|
||||
/* Cancel the TX poll timer and TX timeout timers */
|
||||
/* Cancel the TX poll timer and TX timeout timers */
|
||||
|
||||
wd_cancel(vnet->sk_txpoll);
|
||||
//wd_cancel(vnet->sk_txtimeout);
|
||||
wd_cancel(vnet->sk_txpoll);
|
||||
//wd_cancel(vnet->sk_txtimeout);
|
||||
|
||||
/* Put the the EMAC is its reset, non-operational state. This should be
|
||||
* a known configuration that will guarantee the vnet_ifup() always
|
||||
* successfully brings the interface back up.
|
||||
*/
|
||||
/* Put the the EMAC is its reset, non-operational state. This should be
|
||||
* a known configuration that will guarantee the vnet_ifup() always
|
||||
* successfully brings the interface back up.
|
||||
*/
|
||||
|
||||
/* Mark the device "down" */
|
||||
/* Mark the device "down" */
|
||||
|
||||
vnet->sk_bifup = false;
|
||||
irqrestore(flags);
|
||||
return OK;
|
||||
vnet->sk_bifup = false;
|
||||
irqrestore(flags);
|
||||
return OK;
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
@@ -523,35 +522,35 @@ static int vnet_ifdown(struct uip_driver_s *dev)
|
||||
|
||||
static int vnet_txavail(struct uip_driver_s *dev)
|
||||
{
|
||||
FAR struct vnet_driver_s *vnet = (FAR struct vnet_driver_s *)dev->d_private;
|
||||
irqstate_t flags;
|
||||
FAR struct vnet_driver_s *vnet = (FAR struct vnet_driver_s *)dev->d_private;
|
||||
irqstate_t flags;
|
||||
|
||||
/* Disable interrupts because this function may be called from interrupt
|
||||
* level processing.
|
||||
*/
|
||||
/* Disable interrupts because this function may be called from interrupt
|
||||
* level processing.
|
||||
*/
|
||||
|
||||
flags = irqsave();
|
||||
flags = irqsave();
|
||||
|
||||
/* Ignore the notification if the interface is not yet up */
|
||||
/* Ignore the notification if the interface is not yet up */
|
||||
|
||||
if (vnet->sk_bifup)
|
||||
if (vnet->sk_bifup)
|
||||
{
|
||||
/* Check if there is room in the hardware to hold another outgoing packet. */
|
||||
if (vnet_is_txbuff_full(vnet->vnet)) {
|
||||
/* Check if there is room in the hardware to hold another outgoing packet. */
|
||||
if (vnet_is_txbuff_full(vnet->vnet)) {
|
||||
#ifdef CONFIG_DEBUG
|
||||
cprintf("VNET: TX buffer is full\n");
|
||||
cprintf("VNET: TX buffer is full\n");
|
||||
#endif
|
||||
goto out;
|
||||
}
|
||||
goto out;
|
||||
}
|
||||
|
||||
/* If so, then poll uIP for new XMIT data */
|
||||
/* If so, then poll uIP for new XMIT data */
|
||||
|
||||
(void)uip_poll(&vnet->sk_dev, vnet_uiptxpoll);
|
||||
(void)uip_poll(&vnet->sk_dev, vnet_uiptxpoll);
|
||||
}
|
||||
|
||||
out:
|
||||
irqrestore(flags);
|
||||
return OK;
|
||||
out:
|
||||
irqrestore(flags);
|
||||
return OK;
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
@@ -575,11 +574,11 @@ static int vnet_txavail(struct uip_driver_s *dev)
|
||||
#ifdef CONFIG_NET_IGMP
|
||||
static int vnet_addmac(struct uip_driver_s *dev, FAR const uint8_t *mac)
|
||||
{
|
||||
FAR struct vnet_driver_s *vnet = (FAR struct vnet_driver_s *)dev->d_private;
|
||||
FAR struct vnet_driver_s *vnet = (FAR struct vnet_driver_s *)dev->d_private;
|
||||
|
||||
/* Add the MAC address to the hardware multicast routing table */
|
||||
/* Add the MAC address to the hardware multicast routing table */
|
||||
|
||||
return OK;
|
||||
return OK;
|
||||
}
|
||||
#endif
|
||||
|
||||
@@ -604,11 +603,11 @@ static int vnet_addmac(struct uip_driver_s *dev, FAR const uint8_t *mac)
|
||||
#ifdef CONFIG_NET_IGMP
|
||||
static int vnet_rmmac(struct uip_driver_s *dev, FAR const uint8_t *mac)
|
||||
{
|
||||
FAR struct vnet_driver_s *vnet = (FAR struct vnet_driver_s *)dev->d_private;
|
||||
FAR struct vnet_driver_s *vnet = (FAR struct vnet_driver_s *)dev->d_private;
|
||||
|
||||
/* Add the MAC address to the hardware multicast routing table */
|
||||
/* Add the MAC address to the hardware multicast routing table */
|
||||
|
||||
return OK;
|
||||
return OK;
|
||||
}
|
||||
#endif
|
||||
|
||||
@@ -633,41 +632,41 @@ static int vnet_rmmac(struct uip_driver_s *dev, FAR const uint8_t *mac)
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void vnet_initialize(void)
|
||||
int vnet_init(struct rgmp_vnet *vnet)
|
||||
{
|
||||
struct vnet_driver_s *priv;
|
||||
struct rgmp_vnet *vnet = vnet_list.next;
|
||||
int i;
|
||||
struct vnet_driver_s *priv;
|
||||
static int i = 0;
|
||||
|
||||
for (i=0; i<CONFIG_VNET_NINTERFACES; i++) {
|
||||
if (vnet == NULL)
|
||||
break;
|
||||
priv = &g_vnet[i];
|
||||
if (i >= CONFIG_VNET_NINTERFACES)
|
||||
return -1;
|
||||
|
||||
/* Initialize the driver structure */
|
||||
priv = &g_vnet[i++];
|
||||
|
||||
memset(priv, 0, sizeof(struct vnet_driver_s));
|
||||
priv->sk_dev.d_ifup = vnet_ifup; /* I/F down callback */
|
||||
priv->sk_dev.d_ifdown = vnet_ifdown; /* I/F up (new IP address) callback */
|
||||
priv->sk_dev.d_txavail = vnet_txavail; /* New TX data callback */
|
||||
/* Initialize the driver structure */
|
||||
|
||||
memset(priv, 0, sizeof(struct vnet_driver_s));
|
||||
priv->sk_dev.d_ifup = vnet_ifup; /* I/F down callback */
|
||||
priv->sk_dev.d_ifdown = vnet_ifdown; /* I/F up (new IP address) callback */
|
||||
priv->sk_dev.d_txavail = vnet_txavail; /* New TX data callback */
|
||||
#ifdef CONFIG_NET_IGMP
|
||||
priv->sk_dev.d_addmac = vnet_addmac; /* Add multicast MAC address */
|
||||
priv->sk_dev.d_rmmac = vnet_rmmac; /* Remove multicast MAC address */
|
||||
priv->sk_dev.d_addmac = vnet_addmac; /* Add multicast MAC address */
|
||||
priv->sk_dev.d_rmmac = vnet_rmmac; /* Remove multicast MAC address */
|
||||
#endif
|
||||
priv->sk_dev.d_private = (void*)g_vnet; /* Used to recover private state from dev */
|
||||
priv->sk_dev.d_private = (void*)priv; /* Used to recover private state from dev */
|
||||
|
||||
/* Create a watchdog for timing polling for and timing of transmisstions */
|
||||
/* Create a watchdog for timing polling for and timing of transmisstions */
|
||||
|
||||
priv->sk_txpoll = wd_create(); /* Create periodic poll timer */
|
||||
//priv->sk_txtimeout = wd_create(); /* Create TX timeout timer */
|
||||
priv->sk_txpoll = wd_create(); /* Create periodic poll timer */
|
||||
//priv->sk_txtimeout = wd_create(); /* Create TX timeout timer */
|
||||
|
||||
priv->vnet = vnet;
|
||||
priv->vnet = vnet;
|
||||
vnet->priv = priv;
|
||||
|
||||
/* Register the device with the OS */
|
||||
/* Register the device with the OS */
|
||||
|
||||
(void)netdev_register(&priv->sk_dev);
|
||||
vnet = vnet->next;
|
||||
}
|
||||
(void)netdev_register(&priv->sk_dev);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#endif /* CONFIG_NET && CONFIG_NET_VNET */
|
||||
|
||||
Reference in New Issue
Block a user