198 lines
6.7 KiB
C
198 lines
6.7 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2018-2019 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <string.h>
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#include "py/mphal.h"
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#include "lib/netutils/netutils.h"
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#include "lwip/etharp.h"
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#include "lwip/dns.h"
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#include "lwip/apps/mdns.h"
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#include "drivers/cyw43/cyw43.h"
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STATIC void cyw43_ethernet_trace(cyw43_t *self, struct netif *netif, size_t len, const void *data, unsigned int flags) {
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bool is_tx = flags & NETUTILS_TRACE_IS_TX;
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if ((is_tx && (self->trace_flags & CYW43_TRACE_ETH_TX))
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|| (!is_tx && (self->trace_flags & CYW43_TRACE_ETH_RX))) {
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const uint8_t *buf;
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if (len == (size_t)-1) {
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// data is a pbuf
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const struct pbuf *pbuf = data;
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buf = pbuf->payload;
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len = pbuf->len; // restricted to print only the first chunk of the pbuf
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} else {
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// data is actual data buffer
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buf = data;
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}
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if (self->trace_flags & CYW43_TRACE_MAC) {
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printf("[% 8d] ETH%cX itf=%c%c len=%u", (int)mp_hal_ticks_ms(), is_tx ? 'T' : 'R', netif->name[0], netif->name[1], len);
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printf(" MAC type=%d subtype=%d data=", buf[0] >> 2 & 3, buf[0] >> 4);
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for (size_t i = 0; i < len; ++i) {
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printf(" %02x", buf[i]);
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}
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printf("\n");
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return;
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}
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if (self->trace_flags & CYW43_TRACE_ETH_FULL) {
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flags |= NETUTILS_TRACE_PAYLOAD;
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}
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netutils_ethernet_trace(MP_PYTHON_PRINTER, len, buf, flags);
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}
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}
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STATIC err_t cyw43_netif_output(struct netif *netif, struct pbuf *p) {
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cyw43_t *self = netif->state;
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if (self->trace_flags != 0) {
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cyw43_ethernet_trace(self, netif, (size_t)-1, p, NETUTILS_TRACE_IS_TX | NETUTILS_TRACE_NEWLINE);
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}
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int itf = netif->name[1] - '0';
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int ret = cyw43_send_ethernet(self, itf, p->tot_len, (void*)p, true);
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if (ret) {
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printf("[CYW43] send_ethernet failed: %d\n", ret);
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return ERR_IF;
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}
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return ERR_OK;
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}
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STATIC err_t cyw43_netif_init(struct netif *netif) {
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netif->linkoutput = cyw43_netif_output;
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netif->output = etharp_output;
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netif->mtu = 1500;
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netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_ETHERNET | NETIF_FLAG_IGMP;
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cyw43_wifi_get_mac(netif->state, netif->name[1] - '0', netif->hwaddr);
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netif->hwaddr_len = sizeof(netif->hwaddr);
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return ERR_OK;
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}
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void cyw43_tcpip_init(cyw43_t *self, int itf) {
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ip_addr_t ipconfig[4];
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#if LWIP_IPV6
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#define IP(x) ((x).u_addr.ip4)
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#else
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#define IP(x) (x)
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#endif
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if (itf == 0) {
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// need to zero out to get isconnected() working
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IP4_ADDR(&IP(ipconfig[0]), 0, 0, 0, 0);
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IP4_ADDR(&IP(ipconfig[2]), 192, 168, 0, 1);
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} else {
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IP4_ADDR(&IP(ipconfig[0]), 192, 168, 4, 1);
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IP4_ADDR(&IP(ipconfig[2]), 192, 168, 4, 1);
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}
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IP4_ADDR(&IP(ipconfig[1]), 255, 255, 255, 0);
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IP4_ADDR(&IP(ipconfig[3]), 8, 8, 8, 8);
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#undef IP
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struct netif *n = &self->netif[itf];
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n->name[0] = 'w';
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n->name[1] = '0' + itf;
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#if LWIP_IPV6
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netif_add(n, &ipconfig[0].u_addr.ip4, &ipconfig[1].u_addr.ip4, &ipconfig[2].u_addr.ip4, self, cyw43_netif_init, ethernet_input);
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#else
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netif_add(n, &ipconfig[0], &ipconfig[1], &ipconfig[2], self, cyw43_netif_init, netif_input);
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#endif
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netif_set_hostname(n, "PYBD");
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netif_set_default(n);
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netif_set_up(n);
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if (itf == CYW43_ITF_STA) {
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dns_setserver(0, &ipconfig[3]);
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dhcp_set_struct(n, &self->dhcp_client);
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dhcp_start(n);
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} else {
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dhcp_server_init(&self->dhcp_server, &ipconfig[0], &ipconfig[1]);
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}
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#if LWIP_MDNS_RESPONDER
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// TODO better to call after IP address is set
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char mdns_hostname[9];
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memcpy(&mdns_hostname[0], "PYBD", 4);
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mp_hal_get_mac_ascii(MP_HAL_MAC_WLAN0, 8, 4, &mdns_hostname[4]);
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mdns_hostname[8] = '\0';
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mdns_resp_add_netif(n, mdns_hostname, 60);
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#endif
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}
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void cyw43_tcpip_deinit(cyw43_t *self, int itf) {
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struct netif *n = &self->netif[itf];
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if (itf == CYW43_ITF_STA) {
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dhcp_stop(n);
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} else {
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dhcp_server_deinit(&self->dhcp_server);
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}
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#if LWIP_MDNS_RESPONDER
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mdns_resp_remove_netif(n);
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#endif
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for (struct netif *netif = netif_list; netif != NULL; netif = netif->next) {
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if (netif == n) {
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netif_remove(netif);
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netif->ip_addr.addr = 0;
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netif->flags = 0;
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}
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}
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}
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void cyw43_cb_process_ethernet(void *cb_data, int itf, size_t len, const uint8_t *buf) {
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cyw43_t *self = cb_data;
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struct netif *netif = &self->netif[itf];
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if (self->trace_flags) {
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cyw43_ethernet_trace(self, netif, len, buf, NETUTILS_TRACE_NEWLINE);
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}
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if (netif->flags & NETIF_FLAG_LINK_UP) {
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struct pbuf *p = pbuf_alloc(PBUF_RAW, len, PBUF_POOL);
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if (p != NULL) {
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pbuf_take(p, buf, len);
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if (netif->input(p, netif) != ERR_OK) {
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pbuf_free(p);
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}
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}
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}
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}
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void cyw43_tcpip_set_link_up(cyw43_t *self, int itf) {
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netif_set_link_up(&self->netif[itf]);
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}
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void cyw43_tcpip_set_link_down(cyw43_t *self, int itf) {
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netif_set_link_down(&self->netif[itf]);
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}
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int cyw43_tcpip_link_status(cyw43_t *self, int itf) {
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struct netif *netif = &self->netif[itf];
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if ((netif->flags & (NETIF_FLAG_UP | NETIF_FLAG_LINK_UP))
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== (NETIF_FLAG_UP | NETIF_FLAG_LINK_UP)) {
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if (netif->ip_addr.addr != 0) {
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return CYW43_LINK_UP;
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} else {
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return CYW43_LINK_NOIP;
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}
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} else {
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return cyw43_wifi_link_status(self, itf);
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}
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}
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