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Added UDP lite support for sockets

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This commit is contained in:
goldsimon
2007-06-11 18:43:16 +00:00
parent 2f293d53ba
commit 046a270156
5 changed files with 117 additions and 5 deletions
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103
src/api/sockets.c
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@@ -610,7 +610,8 @@ lwip_socket(int domain, int type, int protocol)
domain == PF_INET ? "PF_INET" : "UNKNOWN", protocol));
break;
case SOCK_DGRAM:
conn = netconn_new_with_callback(NETCONN_UDP, event_callback);
conn = netconn_new_with_callback( (protocol == IPPROTO_UDPLITE) ?
NETCONN_UDPLITE : NETCONN_UDP, event_callback);
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_socket(%s, SOCK_DGRAM, %d) = ",
domain == PF_INET ? "PF_INET" : "UNKNOWN", protocol));
break;
@@ -1057,6 +1058,7 @@ int lwip_getsockopt(int s, int level, int optname, void *optval, socklen_t *optl
} /* switch (optname) */
break;
#if LWIP_TCP
/* Level: IPPROTO_TCP */
case IPPROTO_TCP:
if (*optlen < sizeof(int)) {
@@ -1082,9 +1084,33 @@ int lwip_getsockopt(int s, int level, int optname, void *optval, socklen_t *optl
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_TCP, UNIMPL: optname=0x%x, ..)\n",
s, optname));
err = ENOPROTOOPT;
} /* switch (optname */
} /* switch (optname) */
break;
#endif /* LWIP_TCP */
#if LWIP_UDP && LWIP_UDPLITE
/* Level: IPPROTO_UDPLITE */
case IPPROTO_UDPLITE:
if (*optlen < sizeof(int)) {
err = EINVAL;
break;
}
/* If this is no UDP lite socket, ignore any options. */
if (sock->conn->type != NETCONN_UDPLITE)
return 0;
switch (optname) {
case UDPLITE_SEND_CSCOV:
case UDPLITE_RECV_CSCOV:
break;
default:
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_UDPLITE, UNIMPL: optname=0x%x, ..)\n",
s, optname));
err = ENOPROTOOPT;
} /* switch (optname) */
break;
#endif /* LWIP_UDP && LWIP_UDPLITE*/
/* UNDEFINED LEVEL */
default:
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, level=0x%x, UNIMPL: optname=0x%x, ..)\n",
@@ -1208,6 +1234,7 @@ static void lwip_getsockopt_internal(void *arg)
} /* switch (optname) */
break;
#if LWIP_TCP
/* Level: IPPROTO_TCP */
case IPPROTO_TCP:
switch (optname) {
@@ -1242,6 +1269,24 @@ static void lwip_getsockopt_internal(void *arg)
} /* switch (optname) */
break;
#endif /* LWIP_TCP */
#if LWIP_UDP && LWIP_UDPLITE
/* Level: IPPROTO_UDPLITE */
case IPPROTO_UDPLITE:
switch (optname) {
case UDPLITE_SEND_CSCOV:
*(int*)optval = sock->conn->pcb.udp->chksum_len_tx;
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_UDPLITE, UDPLITE_SEND_CSCOV) = %d\n",
s, (*(int*)optval)) );
break;
case UDPLITE_RECV_CSCOV:
*(int*)optval = sock->conn->pcb.udp->chksum_len_rx;
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_UDPLITE, UDPLITE_RECV_CSCOV) = %d\n",
s, (*(int*)optval)) );
break;
} /* switch (optname) */
break;
#endif /* LWIP_UDP */
} /* switch (level) */
sys_mbox_post(sock->conn->mbox, NULL);
}
@@ -1332,6 +1377,7 @@ int lwip_setsockopt(int s, int level, int optname, const void *optval, socklen_t
} /* switch (optname) */
break;
#if LWIP_TCP
/* Level: IPPROTO_TCP */
case IPPROTO_TCP:
if (optlen < sizeof(int)) {
@@ -1359,7 +1405,31 @@ int lwip_setsockopt(int s, int level, int optname, const void *optval, socklen_t
err = ENOPROTOOPT;
} /* switch (optname) */
break;
#endif /* LWIP_TCP */
#if LWIP_UDP && LWIP_UDPLITE
/* Level: IPPROTO_UDPLITE */
case IPPROTO_UDPLITE:
if (optlen < sizeof(int)) {
err = EINVAL;
break;
}
/* If this is no UDP lite socket, ignore any options. */
if (sock->conn->type != NETCONN_UDPLITE)
return 0;
switch (optname) {
case UDPLITE_SEND_CSCOV:
case UDPLITE_RECV_CSCOV:
break;
default:
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_UDPLITE, UNIMPL: optname=0x%x, ..)\n",
s, optname));
err = ENOPROTOOPT;
} /* switch (optname) */
break;
#endif /* LWIP_UDP && LWIP_UDPLITE */
/* UNDEFINED LEVEL */
default:
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, level=0x%x, UNIMPL: optname=0x%x, ..)\n",
@@ -1481,6 +1551,7 @@ static void lwip_setsockopt_internal(void *arg)
} /* switch (optname) */
break;
#if LWIP_TCP
/* Level: IPPROTO_TCP */
case IPPROTO_TCP:
switch (optname) {
@@ -1519,6 +1590,34 @@ static void lwip_setsockopt_internal(void *arg)
} /* switch (optname) */
break;
#endif /* LWIP_TCP*/
#if LWIP_UDP && LWIP_UDPLITE
/* Level: IPPROTO_UDPLITE */
case IPPROTO_UDPLITE:
switch (optname) {
case UDPLITE_SEND_CSCOV:
if ((*(int*)optval != 0) && (*(int*)optval < 8)) {
/* don't allow illegal values! */
sock->conn->pcb.udp->chksum_len_tx = 8;
} else {
sock->conn->pcb.udp->chksum_len_tx = *(int*)optval;
}
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_UDPLITE, UDPLITE_SEND_CSCOV) -> %lu\n",
s, (*(int*)optval)) );
break;
case UDPLITE_RECV_CSCOV:
if ((*(int*)optval != 0) && (*(int*)optval < 8)) {
/* don't allow illegal values! */
sock->conn->pcb.udp->chksum_len_rx = 8;
} else {
sock->conn->pcb.udp->chksum_len_rx = *(int*)optval;
}
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_UDPLITE, UDPLITE_RECV_CSCOV) -> %lu\n",
s, (*(int*)optval)) );
break;
} /* switch (optname) */
break;
#endif /* LWIP_UDP */
} /* switch (level) */
sys_mbox_post(sock->conn->mbox, NULL);
}