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PPP, PPPoL2TP, switched to dual stack IPv4/IPv6

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Replaced ip4_addr_t to ip_addr_t in pppapi_pppol2tp_create() prototype,
now binding to UDPv6 or UDPv4 depending on the passed ip_addr_t type.

Removed pppol2tp_create_ip6() and pppapi_pppol2tp_create_ip6().
This commit is contained in:
Sylvain Rochet
2015-04-11 13:15:06 +02:00
parent cf180b651b
commit d6fdf7d4b1
4 changed files with 16 additions and 134 deletions
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67
src/netif/ppp/pppol2tp.c
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@@ -119,13 +119,17 @@ static const struct link_callbacks pppol2tp_callbacks = {
/* Create a new L2TP session. */
ppp_pcb *pppol2tp_create(struct netif *pppif,
struct netif *netif, ip4_addr_t *ipaddr, u16_t port,
struct netif *netif, ip_addr_t *ipaddr, u16_t port,
u8_t *secret, u8_t secret_len,
ppp_link_status_cb_fn link_status_cb, void *ctx_cb) {
ppp_pcb *ppp;
pppol2tp_pcb *l2tp;
struct udp_pcb *udp;
if (ipaddr == NULL) {
return NULL;
}
ppp = ppp_new(pppif, link_status_cb, ctx_cb);
if (ppp == NULL) {
return NULL;
@@ -137,6 +141,11 @@ ppp_pcb *pppol2tp_create(struct netif *pppif,
return NULL;
}
#if LWIP_IPV6
if (IP_IS_V6_L(ipaddr)) {
udp = udp_new_ip6();
} else
#endif /* LWIP_IPV6 */
udp = udp_new();
if (udp == NULL) {
memp_free(MEMP_PPPOL2TP_PCB, l2tp);
@@ -150,11 +159,7 @@ ppp_pcb *pppol2tp_create(struct netif *pppif,
l2tp->ppp = ppp;
l2tp->udp = udp;
l2tp->netif = netif;
if (ipaddr) {
ip_addr_copy_from_ip4(l2tp->remote_ip, *ipaddr);
} else {
ip_addr_set_any(0, &l2tp->remote_ip);
}
ip_addr_copy(l2tp->remote_ip, *ipaddr);
l2tp->remote_port = port;
#if PPPOL2TP_AUTH_SUPPORT
l2tp->secret = secret;
@@ -165,56 +170,6 @@ ppp_pcb *pppol2tp_create(struct netif *pppif,
return ppp;
}
#if LWIP_IPV6
/* Create a new L2TP session over IPv6. */
ppp_pcb *pppol2tp_create_ip6(struct netif *pppif,
struct netif *netif, ip6_addr_t *ip6addr, u16_t port,
u8_t *secret, u8_t secret_len,
ppp_link_status_cb_fn link_status_cb, void *ctx_cb) {
ppp_pcb *ppp;
pppol2tp_pcb *l2tp;
struct udp_pcb *udp;
ppp = ppp_new(pppif, link_status_cb, ctx_cb);
if (ppp == NULL) {
return NULL;
}
l2tp = (pppol2tp_pcb *)memp_malloc(MEMP_PPPOL2TP_PCB);
if (l2tp == NULL) {
ppp_free(ppp);
return NULL;
}
udp = udp_new_ip6();
if (udp == NULL) {
memp_free(MEMP_PPPOL2TP_PCB, l2tp);
ppp_free(ppp);
return NULL;
}
udp_recv(udp, pppol2tp_input_ip, l2tp);
memset(l2tp, 0, sizeof(pppol2tp_pcb));
l2tp->phase = PPPOL2TP_STATE_INITIAL;
l2tp->ppp = ppp;
l2tp->udp = udp;
l2tp->netif = netif;
if (ip6addr) {
ip_addr_copy_from_ip6(l2tp->remote_ip, *ip6addr);
} else {
ip_addr_set_any(1, &l2tp->remote_ip);
}
l2tp->remote_port = port;
#if PPPOL2TP_AUTH_SUPPORT
l2tp->secret = secret;
l2tp->secret_len = secret_len;
#endif /* PPPOL2TP_AUTH_SUPPORT */
ppp_link_set_callbacks(ppp, &pppol2tp_callbacks, l2tp);
return ppp;
}
#endif /* LWIP_IPV6 */
/* Called by PPP core */
static err_t pppol2tp_write(ppp_pcb *ppp, void *ctx, struct pbuf *p) {
pppol2tp_pcb *l2tp = (pppol2tp_pcb *)ctx;