109 lines
2.9 KiB
C
109 lines
2.9 KiB
C
#include "ethernet.h"
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#include <stm32h7xx_hal.h>
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#include "EthDrv/eth_drv_etherlib.h"
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#include "etherlib/eth_interface.h"
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#include "etherlib/global_state.h"
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#include "etherlib/prefab/conn_blocks/icmp_connblock.h"
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#include "etherlib/utils.h"
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EthernetAddress msg_cb_addr = {0x01, 0x60, 0x00, 0x00, 0x00, 0x00};
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cbd cb, eth_msg_cb;
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#define DUMP_LINE_LENGTH (16)
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void dump_packet(EthInterface *intf, const RawPckt *pckt) {
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MSG("# -------------------------\n");
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MSG("# PACKET size = %u\n\n", pckt->size);
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uint16_t i = 0;
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while (i < pckt->size) {
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// determine line start and line end
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uint16_t line_start = i;
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uint16_t line_end = MIN(i + DUMP_LINE_LENGTH, pckt->size);
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// print offset
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MSG("%08X ", line_start);
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// print the hexdump
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for (uint16_t k = line_start; k < line_end; k++) {
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if (((k % 8) == 0) && (k != line_start)) {
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MSGchar(' ');
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}
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MSG("%02X ", pckt->payload[k]);
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}
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// print padding
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uint8_t padding = (DUMP_LINE_LENGTH - ((line_end - line_start) % DUMP_LINE_LENGTH)) % DUMP_LINE_LENGTH;
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for (uint8_t k = 0; k < padding; k++) {
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MSGraw(" ");
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}
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if (padding > 8) {
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MSGchar(' ');
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}
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// print the ASCII interpretation
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MSGraw(" ");
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for (uint16_t k = line_start; k < line_end; k++) {
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MSGchar(((pckt->payload[k] < ' ') || (pckt->payload[k] > 0x7F)) ? '.' : pckt->payload[k]);
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}
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// line separation
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MSGraw("\r\n");
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// advance index
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i = line_end;
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}
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MSG("\r\n# -------------------------\n");
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MSGraw("\r\n\r\n");
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}
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void intercept_tx_frame(EthInterface *intf, const RawPckt *pckt) {
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MSG(ANSI_COLOR_BRED "# TX\n");
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dump_packet(intf, pckt);
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MSG(ANSI_COLOR_RESET);
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}
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void intercept_rx_frame(EthInterface *intf, const RawPckt *pckt) {
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MSG(ANSI_COLOR_BYELLOW "# RX\n");
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dump_packet(intf, pckt);
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MSG(ANSI_COLOR_RESET);
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}
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void init_ethernet() {
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// initialize EtherLib
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ethlib_init();
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// initialize Ethernet driver
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ethdrv_init();
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// add default interface
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E.ethIntf = ethintf_new(ethdrv_get());
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ethinf_set_capabilities(E.ethIntf, ETHINF_CAP_ALL_RX_TX_CHECKSUM_OFFLOADS);
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EthernetAddress mac = {ETH_MAC_ADDR0, ETH_MAC_ADDR1, ETH_MAC_ADDR2, ETH_MAC_ADDR3, ETH_MAC_ADDR4, ETH_MAC_ADDR5};
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memcpy(E.ethIntf->mac, mac, ETH_HW_ADDR_LEN);
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dhcp_initiate(E.ethIntf);
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icmp_new_connblock(E.ethIntf);
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// ethinf_set_intercept_callback(E.ethIntf, intercept_tx_frame, ETH_INTERCEPT_TX);
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// ethinf_set_intercept_callback(E.ethIntf, intercept_rx_frame, ETH_INTERCEPT_RX);
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// start the interface
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ethinf_up(E.ethIntf);
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// turn on automatic DHCP management
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ethinf_set_automatic_dhcp_management(E.ethIntf, true);
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// print interface info
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MSG("\n---- \n");
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ethinf_print_info(E.ethIntf);
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MSG("---- \n\n");
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}
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