static void udp_op_write(struct socket * sock, message * m, __unused int blk)
{
int ret;
struct pbuf * pbuf;
debug_udp_print("socket num %ld data size %d",
get_sock_num(sock), m->COUNT);
pbuf = pbuf_alloc(PBUF_TRANSPORT, m->COUNT, PBUF_POOL);
if (!pbuf) {
ret = ENOMEM;
goto write_err;
}
if ((ret = copy_from_user(m->m_source, pbuf->payload, m->COUNT,
(cp_grant_id_t) m->IO_GRANT, 0)) != OK) {
pbuf_free(pbuf);
goto write_err;
}
if (sock->usr_flags & NWUO_RWDATONLY)
ret = udp_op_send(sock, pbuf, m);
else
ret = udp_op_sendto(sock, pbuf, m);
if (pbuf_free(pbuf) == 0) {
panic("We cannot buffer udp packets yet!");
}
write_err:
sock_reply(sock, ret);
}
static int udp_op_write(struct socket * sock, struct sock_req * req,
__unused int blk)
{
int ret;
struct pbuf * pbuf;
debug_udp_print("socket num %ld data size %u",
get_sock_num(sock), req->size);
pbuf = pbuf_alloc(PBUF_TRANSPORT, req->size, PBUF_POOL);
if (!pbuf)
return ENOMEM;
if ((ret = copy_from_user(req->endpt, pbuf->payload, req->size,
req->grant, 0)) != OK) {
pbuf_free(pbuf);
return ret;
}
if (sock->usr_flags & NWUO_RWDATONLY)
ret = udp_op_send(sock, pbuf, req->size);
else
ret = udp_op_sendto(sock, pbuf, req->size);
if (pbuf_free(pbuf) == 0) {
panic("We cannot buffer udp packets yet!");
}
return ret;
}