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Fix issues building examples with LWIP_IPV6 (#268)

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Fixes https://github.com/raspberrypi/pico-examples/issues/265
This commit is contained in:
Peter Harper
2022-12-06 23:49:18 +00:00
committed by GitHub
parent f31966d69d
commit 5bb4f7f6cb
4 changed files with 16 additions and 18 deletions
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22
pico_w/access_point/dhcpserver/dhcpserver.c
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@@ -109,11 +109,9 @@ static void dhcp_socket_free(struct udp_pcb **udp) {
}
}
static int dhcp_socket_bind(struct udp_pcb **udp, uint32_t ip, uint16_t port) {
ip_addr_t addr;
IP4_ADDR(&addr, ip >> 24 & 0xff, ip >> 16 & 0xff, ip >> 8 & 0xff, ip & 0xff);
static int dhcp_socket_bind(struct udp_pcb **udp, uint16_t port) {
// TODO convert lwIP errors to errno
return udp_bind(*udp, &addr, port);
return udp_bind(*udp, IP_ANY_TYPE, port);
}
static int dhcp_socket_sendto(struct udp_pcb **udp, const void *buf, size_t len, uint32_t ip, uint16_t port) {
@@ -129,7 +127,7 @@ static int dhcp_socket_sendto(struct udp_pcb **udp, const void *buf, size_t len,
memcpy(p->payload, buf, len);
ip_addr_t dest;
IP4_ADDR(&dest, ip >> 24 & 0xff, ip >> 16 & 0xff, ip >> 8 & 0xff, ip & 0xff);
IP4_ADDR(ip_2_ip4(&dest), ip >> 24 & 0xff, ip >> 16 & 0xff, ip >> 8 & 0xff, ip & 0xff);
err_t err = udp_sendto(*udp, p, &dest, port);
pbuf_free(p);
@@ -151,7 +149,7 @@ static uint8_t *opt_find(uint8_t *opt, uint8_t cmd) {
return NULL;
}
static void opt_write_n(uint8_t **opt, uint8_t cmd, size_t n, void *data) {
static void opt_write_n(uint8_t **opt, uint8_t cmd, size_t n, const void *data) {
uint8_t *o = *opt;
*o++ = cmd;
*o++ = n;
@@ -198,7 +196,7 @@ static void dhcp_server_process(void *arg, struct udp_pcb *upcb, struct pbuf *p,
}
dhcp_msg.op = DHCPOFFER;
memcpy(&dhcp_msg.yiaddr, &d->ip.addr, 4);
memcpy(&dhcp_msg.yiaddr, &ip4_addr_get_u32(ip_2_ip4(&d->ip)), 4);
uint8_t *opt = (uint8_t *)&dhcp_msg.options;
opt += 4; // assume magic cookie: 99, 130, 83, 99
@@ -241,7 +239,7 @@ static void dhcp_server_process(void *arg, struct udp_pcb *upcb, struct pbuf *p,
// Should be NACK
goto ignore_request;
}
if (memcmp(o + 2, &d->ip.addr, 3) != 0) {
if (memcmp(o + 2, &ip4_addr_get_u32(ip_2_ip4(&d->ip)), 3) != 0) {
// Should be NACK
goto ignore_request;
}
@@ -273,9 +271,9 @@ static void dhcp_server_process(void *arg, struct udp_pcb *upcb, struct pbuf *p,
goto ignore_request;
}
opt_write_n(&opt, DHCP_OPT_SERVER_ID, 4, &d->ip.addr);
opt_write_n(&opt, DHCP_OPT_SUBNET_MASK, 4, &d->nm.addr);
opt_write_n(&opt, DHCP_OPT_ROUTER, 4, &d->ip.addr); // aka gateway; can have mulitple addresses
opt_write_n(&opt, DHCP_OPT_SERVER_ID, 4, &ip4_addr_get_u32(ip_2_ip4(&d->ip)));
opt_write_n(&opt, DHCP_OPT_SUBNET_MASK, 4, &ip4_addr_get_u32(ip_2_ip4(&d->nm)));
opt_write_n(&opt, DHCP_OPT_ROUTER, 4, &ip4_addr_get_u32(ip_2_ip4(&d->ip))); // aka gateway; can have mulitple addresses
opt_write_u32(&opt, DHCP_OPT_DNS, DEFAULT_DNS); // can have mulitple addresses
opt_write_u32(&opt, DHCP_OPT_IP_LEASE_TIME, DEFAULT_LEASE_TIME_S);
*opt++ = DHCP_OPT_END;
@@ -292,7 +290,7 @@ void dhcp_server_init(dhcp_server_t *d, ip_addr_t *ip, ip_addr_t *nm) {
if (dhcp_socket_new_dgram(&d->udp, d, dhcp_server_process) != 0) {
return;
}
dhcp_socket_bind(&d->udp, 0, PORT_DHCP_SERVER);
dhcp_socket_bind(&d->udp, PORT_DHCP_SERVER);
}
void dhcp_server_deinit(dhcp_server_t *d) {