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more lwIP physical interfaces (#6680)
This commit adds W5500 W5100 and ENC28j60 drivers from @njh with credits They are available in libraries/ An example is added in W5500 examples directory plus: * Extract dhcp server from lwip2 and add it to the core as a class. It must always be present, it is linked and can be called by fw on boot. So it cannot be stored in a library. * ethernet: static or dhcp works * PPPServer: example * bring WiFi.config() to the lwIP generic interface (argument reorder common function) * move hostname() from WiFI-STA to generic interface * remove non readable characters from dhcp-server comments * dhcp-server: magic_cookie is part of bootp rfc * fixes from https://github.com/d-a-v/W5500lwIP/issues/17 * enable lwip_hook_dhcp_parse_option() * +ethernet tcp client example in w5500 library examples
This commit is contained in:
david gauchard
GitHub
196
libraries/lwIP_PPP/src/PPPServer.cpp
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196
libraries/lwIP_PPP/src/PPPServer.cpp
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// This is still beta / a work in progress
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// testing on linux:
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// sudo /usr/sbin/pppd /dev/ttyUSB1 38400 noipdefault nocrtscts local defaultroute noauth nodetach debug dump
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// sudo /usr/sbin/pppd /dev/ttyUSB1 38400 noipdefault nocrtscts local defaultroute noauth
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// proxy arp is needed but we don't have it
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// http://lwip.100.n7.nabble.com/PPP-proxy-arp-support-tp33286p33345.html
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// using NAT instead (see in example)
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#include <Arduino.h>
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#include <Schedule.h>
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#include <IPAddress.h>
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#include <lwip/dns.h>
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#include "PPPServer.h"
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PPPServer::PPPServer(Stream* sio): _sio(sio), _cb(netif_status_cb_s), _enabled(false)
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{
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}
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bool PPPServer::handlePackets()
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{
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size_t avail;
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if ((avail = _sio->available()) > 0)
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{
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// XXX block peeking would be useful here
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if (avail > _bufsize)
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{
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avail = _bufsize;
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}
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avail = _sio->readBytes(_buf, avail);
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pppos_input(_ppp, _buf, avail);
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}
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return _enabled;
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}
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void PPPServer::link_status_cb_s(ppp_pcb* pcb, int err_code, void* ctx)
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{
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bool stop = true;
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netif* nif = ppp_netif(pcb);
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switch (err_code)
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{
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case PPPERR_NONE: /* No error. */
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{
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#if LWIP_DNS
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const ip_addr_t *ns;
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#endif /* LWIP_DNS */
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ets_printf("ppp_link_status_cb: PPPERR_NONE\n\r");
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#if LWIP_IPV4
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ets_printf(" our_ip4addr = %s\n\r", ip4addr_ntoa(netif_ip4_addr(nif)));
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ets_printf(" his_ipaddr = %s\n\r", ip4addr_ntoa(netif_ip4_gw(nif)));
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ets_printf(" netmask = %s\n\r", ip4addr_ntoa(netif_ip4_netmask(nif)));
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#endif /* LWIP_IPV4 */
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#if LWIP_IPV6
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ets_printf(" our_ip6addr = %s\n\r", ip6addr_ntoa(netif_ip6_addr(nif, 0)));
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#endif /* LWIP_IPV6 */
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#if LWIP_DNS
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ns = dns_getserver(0);
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ets_printf(" dns1 = %s\n\r", ipaddr_ntoa(ns));
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ns = dns_getserver(1);
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ets_printf(" dns2 = %s\n\r", ipaddr_ntoa(ns));
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#endif /* LWIP_DNS */
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#if PPP_IPV6_SUPPORT
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ets_printf(" our6_ipaddr = %s\n\r", ip6addr_ntoa(netif_ip6_addr(nif, 0)));
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#endif /* PPP_IPV6_SUPPORT */
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}
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stop = false;
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break;
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case PPPERR_PARAM: /* Invalid parameter. */
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ets_printf("ppp_link_status_cb: PPPERR_PARAM\n");
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break;
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case PPPERR_OPEN: /* Unable to open PPP session. */
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ets_printf("ppp_link_status_cb: PPPERR_OPEN\n");
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break;
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case PPPERR_DEVICE: /* Invalid I/O device for PPP. */
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ets_printf("ppp_link_status_cb: PPPERR_DEVICE\n");
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break;
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case PPPERR_ALLOC: /* Unable to allocate resources. */
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ets_printf("ppp_link_status_cb: PPPERR_ALLOC\n");
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break;
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case PPPERR_USER: /* User interrupt. */
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ets_printf("ppp_link_status_cb: PPPERR_USER\n");
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break;
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case PPPERR_CONNECT: /* Connection lost. */
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ets_printf("ppp_link_status_cb: PPPERR_CONNECT\n");
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break;
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case PPPERR_AUTHFAIL: /* Failed authentication challenge. */
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ets_printf("ppp_link_status_cb: PPPERR_AUTHFAIL\n");
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break;
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case PPPERR_PROTOCOL: /* Failed to meet protocol. */
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ets_printf("ppp_link_status_cb: PPPERR_PROTOCOL\n");
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break;
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case PPPERR_PEERDEAD: /* Connection timeout. */
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ets_printf("ppp_link_status_cb: PPPERR_PEERDEAD\n");
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break;
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case PPPERR_IDLETIMEOUT: /* Idle Timeout. */
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ets_printf("ppp_link_status_cb: PPPERR_IDLETIMEOUT\n");
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break;
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case PPPERR_CONNECTTIME: /* PPPERR_CONNECTTIME. */
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ets_printf("ppp_link_status_cb: PPPERR_CONNECTTIME\n");
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break;
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case PPPERR_LOOPBACK: /* Connection timeout. */
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ets_printf("ppp_link_status_cb: PPPERR_LOOPBACK\n");
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break;
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default:
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ets_printf("ppp_link_status_cb: unknown errCode %d\n", err_code);
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break;
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}
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if (stop)
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{
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netif_remove(&static_cast<PPPServer*>(ctx)->_netif);
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}
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}
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u32_t PPPServer::output_cb_s(ppp_pcb* pcb, u8_t* data, u32_t len, void* ctx)
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{
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(void)pcb;
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(void)ctx;
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return static_cast<PPPServer*>(ctx)->_sio->write(data, len);
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}
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void PPPServer::netif_status_cb_s(netif* nif)
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{
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ets_printf("PPPNETIF: %c%c%d is %s\n", nif->name[0], nif->name[1], nif->num,
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netif_is_up(nif) ? "UP" : "DOWN");
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#if LWIP_IPV4
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ets_printf("IPV4: Host at %s ", ip4addr_ntoa(netif_ip4_addr(nif)));
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ets_printf("mask %s ", ip4addr_ntoa(netif_ip4_netmask(nif)));
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ets_printf("gateway %s\n", ip4addr_ntoa(netif_ip4_gw(nif)));
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#endif /* LWIP_IPV4 */
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#if LWIP_IPV6
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ets_printf("IPV6: Host at %s\n", ip6addr_ntoa(netif_ip6_addr(nif, 0)));
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#endif /* LWIP_IPV6 */
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ets_printf("FQDN: %s\n", netif_get_hostname(nif));
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}
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bool PPPServer::begin(const IPAddress& ourAddress, const IPAddress& peer)
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{
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// lwip2-src/doc/ppp.txt
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_ppp = pppos_create(&_netif, PPPServer::output_cb_s, PPPServer::link_status_cb_s, this);
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if (!_ppp)
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{
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return false;
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}
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ppp_set_ipcp_ouraddr(_ppp, ip_2_ip4((const ip_addr_t*)ourAddress));
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ppp_set_ipcp_hisaddr(_ppp, ip_2_ip4((const ip_addr_t*)peer));
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//ip4_addr_t addr;
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//IP4_ADDR(&addr, 10,0,1,254);
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//ppp_set_ipcp_dnsaddr(_ppp, 0, &addr);
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//ppp_set_auth(_ppp, PPPAUTHTYPE_ANY, "login", "password");
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//ppp_set_auth_required(_ppp, 1);
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ppp_set_silent(_ppp, 1);
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ppp_listen(_ppp);
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netif_set_status_callback(&_netif, _cb);
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_enabled = true;
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if (!schedule_recurrent_function_us([&]()
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{
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return this->handlePackets();
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}, 1000))
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{
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netif_remove(&_netif);
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return false;
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}
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return true;
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}
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void PPPServer::stop()
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{
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_enabled = false;
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ppp_close(_ppp, 0);
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}
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