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Merge pull request #1153 from majbthrd/ipv4

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net_lwip_webserver: allow users to enable LWIP_IP6 if desired
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Ha Thach 2021-10-20 15:58:18 +07:00 committed by GitHub
commit 5079d47ff5
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7 changed files with 66 additions and 30 deletions
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14
examples/device/net_lwip_webserver/Makefile
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@ -4,9 +4,8 @@ include ../../../tools/top.mk
include ../../make.mk include ../../make.mk
CFLAGS += \ CFLAGS += \
-DPBUF_POOL_SIZE=2 \ -Wno-error=unused-parameter \
-DTCP_WND=2*TCP_MSS \ -Wno-error=unused-variable
-DHTTPD_USE_CUSTOM_FSDATA=0
INC += \ INC += \
src \ src \
@ -50,6 +49,15 @@ SRC_C += \
lib/lwip/src/core/ipv4/ip4.c \ lib/lwip/src/core/ipv4/ip4.c \
lib/lwip/src/core/ipv4/ip4_addr.c \ lib/lwip/src/core/ipv4/ip4_addr.c \
lib/lwip/src/core/ipv4/ip4_frag.c \ lib/lwip/src/core/ipv4/ip4_frag.c \
lib/lwip/src/core/ipv6/dhcp6.c \
lib/lwip/src/core/ipv6/ethip6.c \
lib/lwip/src/core/ipv6/icmp6.c \
lib/lwip/src/core/ipv6/inet6.c \
lib/lwip/src/core/ipv6/ip6.c \
lib/lwip/src/core/ipv6/ip6_addr.c \
lib/lwip/src/core/ipv6/ip6_frag.c \
lib/lwip/src/core/ipv6/mld6.c \
lib/lwip/src/core/ipv6/nd6.c \
lib/lwip/src/netif/ethernet.c \ lib/lwip/src/netif/ethernet.c \
lib/lwip/src/netif/slipif.c \ lib/lwip/src/netif/slipif.c \
lib/lwip/src/apps/http/httpd.c \ lib/lwip/src/apps/http/httpd.c \

12
examples/device/net_lwip_webserver/src/lwipopts.h
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@ -42,11 +42,14 @@
#define LWIP_ICMP 1 #define LWIP_ICMP 1
#define LWIP_UDP 1 #define LWIP_UDP 1
#define LWIP_TCP 1 #define LWIP_TCP 1
#define LWIP_IPV4 1
#define LWIP_IPV6 0
#define ETH_PAD_SIZE 0 #define ETH_PAD_SIZE 0
#define LWIP_IP_ACCEPT_UDP_PORT(p) ((p) == PP_NTOHS(67)) #define LWIP_IP_ACCEPT_UDP_PORT(p) ((p) == PP_NTOHS(67))
#define TCP_MSS (1500 /*mtu*/ - 20 /*iphdr*/ - 20 /*tcphhr*/) #define TCP_MSS (1500 /*mtu*/ - 20 /*iphdr*/ - 20 /*tcphhr*/)
#define TCP_SND_BUF (2 * TCP_MSS) #define TCP_SND_BUF (2 * TCP_MSS)
#define TCP_WND (TCP_MSS)
#define ETHARP_SUPPORT_STATIC_ENTRIES 1 #define ETHARP_SUPPORT_STATIC_ENTRIES 1
@ -56,4 +59,13 @@
#define LWIP_SINGLE_NETIF 1 #define LWIP_SINGLE_NETIF 1
#define PBUF_POOL_SIZE 2
#define HTTPD_USE_CUSTOM_FSDATA 0
#define LWIP_MULTICAST_PING 1
#define LWIP_BROADCAST_PING 1
#define LWIP_IPV6_MLD 0
#define LWIP_IPV6_SEND_ROUTER_SOLICIT 0
#endif /* __LWIPOPTS_H__ */ #endif /* __LWIPOPTS_H__ */

40
examples/device/net_lwip_webserver/src/main.c
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@ -50,8 +50,11 @@ try changing the first byte of tud_network_mac_address[] below from 0x02 to 0x00
#include "dnserver.h" #include "dnserver.h"
#include "lwip/init.h" #include "lwip/init.h"
#include "lwip/timeouts.h" #include "lwip/timeouts.h"
#include "lwip/ethip6.h"
#include "httpd.h" #include "httpd.h"
#define INIT_IP4(a,b,c,d) { PP_HTONL(LWIP_MAKEU32(a,b,c,d)) }
/* lwip context */ /* lwip context */
static struct netif netif_data; static struct netif netif_data;
@ -64,24 +67,24 @@ static struct pbuf *received_frame;
const uint8_t tud_network_mac_address[6] = {0x02,0x02,0x84,0x6A,0x96,0x00}; const uint8_t tud_network_mac_address[6] = {0x02,0x02,0x84,0x6A,0x96,0x00};
/* network parameters of this MCU */ /* network parameters of this MCU */
static const ip_addr_t ipaddr = IPADDR4_INIT_BYTES(192, 168, 7, 1); static const ip4_addr_t ipaddr = INIT_IP4(192, 168, 7, 1);
static const ip_addr_t netmask = IPADDR4_INIT_BYTES(255, 255, 255, 0); static const ip4_addr_t netmask = INIT_IP4(255, 255, 255, 0);
static const ip_addr_t gateway = IPADDR4_INIT_BYTES(0, 0, 0, 0); static const ip4_addr_t gateway = INIT_IP4(0, 0, 0, 0);
/* database IP addresses that can be offered to the host; this must be in RAM to store assigned MAC addresses */ /* database IP addresses that can be offered to the host; this must be in RAM to store assigned MAC addresses */
static dhcp_entry_t entries[] = static dhcp_entry_t entries[] =
{ {
/* mac ip address lease time */ /* mac ip address lease time */
{ {0}, IPADDR4_INIT_BYTES(192, 168, 7, 2), 24 * 60 * 60 }, { {0}, INIT_IP4(192, 168, 7, 2), 24 * 60 * 60 },
{ {0}, IPADDR4_INIT_BYTES(192, 168, 7, 3), 24 * 60 * 60 }, { {0}, INIT_IP4(192, 168, 7, 3), 24 * 60 * 60 },
{ {0}, IPADDR4_INIT_BYTES(192, 168, 7, 4), 24 * 60 * 60 }, { {0}, INIT_IP4(192, 168, 7, 4), 24 * 60 * 60 },
}; };
static const dhcp_config_t dhcp_config = static const dhcp_config_t dhcp_config =
{ {
.router = IPADDR4_INIT_BYTES(0, 0, 0, 0), /* router address (if any) */ .router = INIT_IP4(0, 0, 0, 0), /* router address (if any) */
.port = 67, /* listen port */ .port = 67, /* listen port */
.dns = IPADDR4_INIT_BYTES(192, 168, 7, 1), /* dns server (if any) */ .dns = INIT_IP4(192, 168, 7, 1), /* dns server (if any) */
"usb", /* dns suffix */ "usb", /* dns suffix */
TU_ARRAY_SIZE(entries), /* num entry */ TU_ARRAY_SIZE(entries), /* num entry */
entries /* entries */ entries /* entries */
@ -108,11 +111,18 @@ static err_t linkoutput_fn(struct netif *netif, struct pbuf *p)
} }
} }
static err_t output_fn(struct netif *netif, struct pbuf *p, const ip_addr_t *addr) static err_t ip4_output_fn(struct netif *netif, struct pbuf *p, const ip4_addr_t *addr)
{ {
return etharp_output(netif, p, addr); return etharp_output(netif, p, addr);
} }
#if LWIP_IPV6
static err_t ip6_output_fn(struct netif *netif, struct pbuf *p, const ip6_addr_t *addr)
{
return ethip6_output(netif, p, addr);
}
#endif
static err_t netif_init_cb(struct netif *netif) static err_t netif_init_cb(struct netif *netif)
{ {
LWIP_ASSERT("netif != NULL", (netif != NULL)); LWIP_ASSERT("netif != NULL", (netif != NULL));
@ -122,7 +132,10 @@ static err_t netif_init_cb(struct netif *netif)
netif->name[0] = 'E'; netif->name[0] = 'E';
netif->name[1] = 'X'; netif->name[1] = 'X';
netif->linkoutput = linkoutput_fn; netif->linkoutput = linkoutput_fn;
netif->output = output_fn; netif->output = ip4_output_fn;
#if LWIP_IPV6
netif->output_ip6 = ip6_output_fn;
#endif
return ERR_OK; return ERR_OK;
} }
@ -138,11 +151,14 @@ static void init_lwip(void)
netif->hwaddr[5] ^= 0x01; netif->hwaddr[5] ^= 0x01;
netif = netif_add(netif, &ipaddr, &netmask, &gateway, NULL, netif_init_cb, ip_input); netif = netif_add(netif, &ipaddr, &netmask, &gateway, NULL, netif_init_cb, ip_input);
#if LWIP_IPV6
netif_create_ip6_linklocal_address(netif, 1);
#endif
netif_set_default(netif); netif_set_default(netif);
} }
/* handle any DNS requests from dns-server */ /* handle any DNS requests from dns-server */
bool dns_query_proc(const char *name, ip_addr_t *addr) bool dns_query_proc(const char *name, ip4_addr_t *addr)
{ {
if (0 == strcmp(name, "tiny.usb")) if (0 == strcmp(name, "tiny.usb"))
{ {
@ -218,7 +234,7 @@ int main(void)
init_lwip(); init_lwip();
while (!netif_is_up(&netif_data)); while (!netif_is_up(&netif_data));
while (dhserv_init(&dhcp_config) != ERR_OK); while (dhserv_init(&dhcp_config) != ERR_OK);
while (dnserv_init(&ipaddr, 53, dns_query_proc) != ERR_OK); while (dnserv_init(IP_ADDR_ANY, 53, dns_query_proc) != ERR_OK);
httpd_init(); httpd_init();
while (1) while (1)

16
lib/networking/dhserver.c
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@ -96,19 +96,19 @@ static const dhcp_config_t *config = NULL;
char magic_cookie[] = {0x63,0x82,0x53,0x63}; char magic_cookie[] = {0x63,0x82,0x53,0x63};
static ip_addr_t get_ip(const uint8_t *pnt) static ip4_addr_t get_ip(const uint8_t *pnt)
{ {
ip_addr_t result; ip4_addr_t result;
memcpy(&result, pnt, sizeof(result)); memcpy(&result, pnt, sizeof(result));
return result; return result;
} }
static void set_ip(uint8_t *pnt, ip_addr_t value) static void set_ip(uint8_t *pnt, ip4_addr_t value)
{ {
memcpy(pnt, &value.addr, sizeof(value.addr)); memcpy(pnt, &value.addr, sizeof(value.addr));
} }
static dhcp_entry_t *entry_by_ip(ip_addr_t ip) static dhcp_entry_t *entry_by_ip(ip4_addr_t ip)
{ {
int i; int i;
for (i = 0; i < config->num_entry; i++) for (i = 0; i < config->num_entry; i++)
@ -162,11 +162,11 @@ uint8_t *find_dhcp_option(uint8_t *attrs, int size, uint8_t attr)
int fill_options(void *dest, int fill_options(void *dest,
uint8_t msg_type, uint8_t msg_type,
const char *domain, const char *domain,
ip_addr_t dns, ip4_addr_t dns,
int lease_time, int lease_time,
ip_addr_t serverid, ip4_addr_t serverid,
ip_addr_t router, ip4_addr_t router,
ip_addr_t subnet) ip4_addr_t subnet)
{ {
uint8_t *ptr = (uint8_t *)dest; uint8_t *ptr = (uint8_t *)dest;
/* ACK message type */ /* ACK message type */

10
lib/networking/dhserver.h
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@ -41,16 +41,16 @@
typedef struct dhcp_entry typedef struct dhcp_entry
{ {
uint8_t mac[6]; uint8_t mac[6];
ip_addr_t addr; ip4_addr_t addr;
uint32_t lease; uint32_t lease;
} dhcp_entry_t; } dhcp_entry_t;
typedef struct dhcp_config typedef struct dhcp_config
{ {
ip_addr_t router; ip4_addr_t router;
uint16_t port; uint16_t port;
ip_addr_t dns; ip4_addr_t dns;
const char *domain; const char *domain;
int num_entry; int num_entry;
dhcp_entry_t *entries; dhcp_entry_t *entries;

2
lib/networking/dnserver.c
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@ -136,7 +136,7 @@ static void udp_recv_proc(void *arg, struct udp_pcb *upcb, struct pbuf *p, const
dns_header_t *header; dns_header_t *header;
static dns_query_t query; static dns_query_t query;
struct pbuf *out; struct pbuf *out;
ip_addr_t host_addr; ip4_addr_t host_addr;
dns_answer_t *answer; dns_answer_t *answer;
(void)arg; (void)arg;

2
lib/networking/dnserver.h
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@ -39,7 +39,7 @@
#include "lwip/udp.h" #include "lwip/udp.h"
#include "netif/etharp.h" #include "netif/etharp.h"
typedef bool (*dns_query_proc_t)(const char *name, ip_addr_t *addr); typedef bool (*dns_query_proc_t)(const char *name, ip4_addr_t *addr);
err_t dnserv_init(const ip_addr_t *bind, uint16_t port, dns_query_proc_t query_proc); err_t dnserv_init(const ip_addr_t *bind, uint16_t port, dns_query_proc_t query_proc);
void dnserv_free(void); void dnserv_free(void);