nuttx-apps/lte/alt1250/usock_handlers/alt1250_sockethdlr.c
SPRESENSE 3650251c5e lte/alt1250: Fix bug that caused stack when executing the socket API
Fix a bug that caused the application to get stuck when executing
the socket API after waking up from hibernation and before executing
lte_hibernation_resume().
2024-02-09 14:52:05 +02:00

472 lines
16 KiB
C

/****************************************************************************
* apps/lte/alt1250/usock_handlers/alt1250_sockethdlr.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/net/usrsock.h>
#include "alt1250_dbg.h"
#include "alt1250_container.h"
#include "alt1250_socket.h"
#include "alt1250_devif.h"
#include "alt1250_usockevent.h"
#include "alt1250_postproc.h"
#include "alt1250_usrsock_hdlr.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define IS_SUPPORTED_INET_DOMAIN(d) (((d) == AF_INET) || ((d) == AF_INET6))
/****************************************************************************
* Private Functions Prototypes
****************************************************************************/
static int postproc_getfl(FAR struct alt1250_s *dev,
FAR struct alt_container_s *reply,
FAR struct usock_s *usock,
FAR int32_t *usock_result,
FAR uint32_t *usock_xid,
FAR struct usock_ackinfo_s *ackinfo,
unsigned long arg);
static int postproc_setfl(FAR struct alt1250_s *dev,
FAR struct alt_container_s *reply,
FAR struct usock_s *usock,
FAR int32_t *usock_result,
FAR uint32_t *usock_xid,
FAR struct usock_ackinfo_s *ackinfo,
unsigned long arg);
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* name: send_fctl_command
****************************************************************************/
static int send_fctl_command(FAR struct alt1250_s *dev,
FAR struct alt_container_s *container,
FAR struct usock_s *usock,
int32_t cmd,
int32_t val,
FAR int32_t *usock_result)
{
int idx = 0;
FAR void *inparam[3];
/* These members are referenced only when sending a command and
* not when receiving a response, so local variables are used.
*/
inparam[0] = &USOCKET_ALTSOCKID(usock);
inparam[1] = &cmd;
inparam[2] = &val;
USOCKET_SET_RESPONSE(usock, idx++, USOCKET_REP_RESULT(usock));
USOCKET_SET_RESPONSE(usock, idx++, USOCKET_REP_ERRCODE(usock));
set_container_ids(container, USOCKET_USOCKID(usock), LTE_CMDID_FCNTL);
set_container_argument(container, inparam, nitems(inparam));
set_container_response(container, USOCKET_REP_RESPONSE(usock), idx);
set_container_postproc(container, cmd == ALTCOM_SETFL ? postproc_setfl :
cmd == ALTCOM_GETFL ? postproc_getfl : NULL, 0);
return altdevice_send_command(dev, dev->altfd, container, usock_result);
}
/****************************************************************************
* name: postproc_setfl
****************************************************************************/
static int postproc_setfl(FAR struct alt1250_s *dev,
FAR struct alt_container_s *reply,
FAR struct usock_s *usock,
FAR int32_t *usock_result,
FAR uint32_t *usock_xid,
FAR struct usock_ackinfo_s *ackinfo,
unsigned long arg)
{
int ret = REP_SEND_ACK;
FAR void **resp = CONTAINER_RESPONSE(reply);
/* resp[0]: command return code
* resp[1]: alt1250 errno
*/
dbg_alt1250("%s start\n", __func__);
*usock_xid = USOCKET_XID(usock);
*usock_result = COMBINE_ERRCODE(*(FAR int *)resp[0], *(FAR int *)resp[1]);
if (*usock_result >= 0)
{
USOCKET_SET_STATE(usock, SOCKET_STATE_OPENED);
usocket_commitstate(dev);
switch (USOCKET_REQID(usock))
{
case USRSOCK_REQUEST_SOCKET:
*usock_result = USOCKET_USOCKID(usock);
dbg_alt1250("allocated usockid: %d\n", *usock_result);
break;
/* Below cases are for SOCK_STREAM type socket
* SOCK_STREAM type socket can not be opend on alt1250 side,
* because of LAPI command. It is also using SOCK_STREAM
* type socket to send ioctl() to communicate with daemon.
* So, on BSD-socket spec, aftre socket() API succeeded,
* connect(), bind(), etc, can be called. And on the call,
* socket on alt1250 side should be fixed, therefore,
* open_altsocket() will be called on those cases.
*/
case USRSOCK_REQUEST_CONNECT:
ret = nextstep_connect(dev, reply, usock, usock_result,
usock_xid, ackinfo, arg);
break;
case USRSOCK_REQUEST_BIND:
ret = nextstep_bind(dev, reply, usock, usock_result,
usock_xid, ackinfo, arg);
break;
case USRSOCK_REQUEST_LISTEN:
ret = nextstep_listen(dev, reply, usock, usock_result,
usock_xid, ackinfo, arg);
break;
case USRSOCK_REQUEST_SETSOCKOPT:
ret = nextstep_setsockopt(dev, reply, usock, usock_result,
usock_xid, ackinfo, arg);
break;
case USRSOCK_REQUEST_GETSOCKOPT:
ret = nextstep_getsockopt(dev, reply, usock, usock_result,
usock_xid, ackinfo, arg);
break;
case USRSOCK_REQUEST_GETSOCKNAME:
ret = nextstep_getsockname(dev, reply, usock, usock_result,
usock_xid, ackinfo, arg);
break;
default:
dbg_alt1250("unexpected sequence. reqid:0x%02x\n",
USOCKET_REQID(usock));
*usock_result = -EFAULT;
break;
}
}
else
{
USOCKET_SET_STATE(usock, SOCKET_STATE_PREALLOC);
if (USOCKET_TYPE(usock) == SOCK_DGRAM)
{
usocket_free(usock);
}
usocket_commitstate(dev);
}
return ret;
}
/****************************************************************************
* name: postproc_getfl
****************************************************************************/
static int postproc_getfl(FAR struct alt1250_s *dev,
FAR struct alt_container_s *reply,
FAR struct usock_s *usock,
FAR int32_t *usock_result,
FAR uint32_t *usock_xid,
FAR struct usock_ackinfo_s *ackinfo,
unsigned long arg)
{
int ret = REP_SEND_ACK;
FAR void **resp = CONTAINER_RESPONSE(reply);
/* resp[0]: command return code
* resp[1]: alt1250 errno
*/
dbg_alt1250("%s start\n", __func__);
*usock_xid = USOCKET_XID(usock);
*usock_result = COMBINE_ERRCODE(*(FAR int *)resp[0], *(FAR int *)resp[1]);
if (*usock_result >= 0)
{
/* Set non-blocking flag of socket fd */
*usock_result |= ALTCOM_O_NONBLOCK;
ret = send_fctl_command(dev, reply, usock, ALTCOM_SETFL, *usock_result,
usock_result);
}
if (*usock_result < 0)
{
USOCKET_SET_STATE(usock, SOCKET_STATE_PREALLOC);
if (USOCKET_TYPE(usock) == SOCK_DGRAM)
{
/* In DGRAM case, it is a part of socket() API sequence.
* The socket() API is not returned on application layer.
* So, internal socket should be free here.
*/
usocket_free(usock);
}
usocket_commitstate(dev);
}
return ret;
}
/****************************************************************************
* name: postproc_socket
****************************************************************************/
static int postproc_socket(FAR struct alt1250_s *dev,
FAR struct alt_container_s *reply,
FAR struct usock_s *usock,
FAR int32_t *usock_result,
FAR uint32_t *usock_xid,
FAR struct usock_ackinfo_s *ackinfo,
unsigned long arg)
{
int ret = REP_SEND_ACK;
FAR void **resp = CONTAINER_RESPONSE(reply);
/* resp[0]: altcom_sockfd
* resp[1]: alt1250 errno
*/
dbg_alt1250("%s start\n", __func__);
*usock_xid = USOCKET_XID(usock);
*usock_result = COMBINE_ERRCODE(*(FAR int *)resp[0], *(FAR int *)resp[1]);
if (*usock_result >= 0)
{
/* In case of success socket allocation */
USOCKET_SET_ALTSOCKID(usock, *usock_result);
ret = send_fctl_command(dev, reply, usock, ALTCOM_GETFL, 0,
usock_result);
}
if (*usock_result < 0)
{
USOCKET_SET_STATE(usock, SOCKET_STATE_PREALLOC);
if (USOCKET_TYPE(usock) == SOCK_DGRAM)
{
/* In DGRAM case, it is a part of socket() API sequence.
* The socket() API is not returned on application layer.
* So, internal socket should be free here.
*/
usocket_free(usock);
}
usocket_commitstate(dev);
}
return ret;
}
/****************************************************************************
* name: send_socket_command
****************************************************************************/
static int send_socket_command(FAR struct alt1250_s *dev,
FAR struct alt_container_s *container,
FAR struct usock_s *usock,
int16_t domain,
int16_t type,
int16_t protocol,
FAR int32_t *usock_result)
{
int idx = 0;
FAR void *inparam[3];
/* These members are referenced only when sending a command and
* not when receiving a response, so local variables are used.
*/
inparam[0] = &domain;
inparam[1] = &type;
inparam[2] = &protocol;
USOCKET_SET_RESPONSE(usock, idx++, USOCKET_REP_RESULT(usock));
USOCKET_SET_RESPONSE(usock, idx++, USOCKET_REP_ERRCODE(usock));
set_container_ids(container, USOCKET_USOCKID(usock), LTE_CMDID_SOCKET);
set_container_argument(container, inparam, nitems(inparam));
set_container_response(container, USOCKET_REP_RESPONSE(usock), idx);
set_container_postproc(container, postproc_socket, 0);
return altdevice_send_command(dev, dev->altfd, container, usock_result);
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* name: open_altsocket
****************************************************************************/
int open_altsocket(FAR struct alt1250_s *dev,
FAR struct alt_container_s *container,
FAR struct usock_s *usock,
FAR int32_t *usock_result)
{
int ret;
dbg_alt1250("%s start\n", __func__);
ret = send_socket_command(dev, container, usock,
USOCKET_DOMAIN(usock), USOCKET_TYPE(usock),
USOCKET_PROTOCOL(usock),
usock_result);
if (*usock_result >= 0)
{
USOCKET_SET_STATE(usock, SOCKET_STATE_OPEN);
usocket_commitstate(dev);
}
return ret;
}
/****************************************************************************
* name: usockreq_socket
****************************************************************************/
int usockreq_socket(FAR struct alt1250_s *dev,
FAR struct usrsock_request_buff_s *req,
FAR int32_t *usock_result,
FAR uint32_t *usock_xid,
FAR struct usock_ackinfo_s *ackinfo)
{
FAR struct usrsock_request_socket_s *request = &req->request.sock_req;
FAR struct usock_s *usock;
FAR struct alt_container_s *container;
int ret = REP_SEND_ACK_WOFREE;
dbg_alt1250("%s start type=%d\n", __func__, request->type);
*usock_xid = request->head.xid;
if (!IS_SUPPORTED_INET_DOMAIN(request->domain))
{
dbg_alt1250("Not support this domain: %u\n", request->domain);
*usock_result = -EAFNOSUPPORT;
return REP_SEND_ACK_WOFREE;
}
else if (!dev->usock_enable && IS_SUPPORTED_INET_DOMAIN(request->domain) &&
request->type != SOCK_CTRL)
{
/* If domain is AF_INET while usock_enable is false,
* set usockid to -ENOTSUP to fallback kernel
* network stack.
*/
*usock_result = -ENOTSUP;
return REP_SEND_ACK_WOFREE;
}
if (!dev->api_enable)
{
dbg_alt1250("Don't allow to call any API now.\n");
*usock_result = -EBUSY;
return REP_SEND_ACK_WOFREE;
}
usock = usocket_alloc(dev, request->type);
if (usock == NULL)
{
dbg_alt1250("socket alloc faild\n");
*usock_result = -EBUSY;
return REP_SEND_ACK_WOFREE;
}
*usock_result = USOCKET_USOCKID(usock);
USOCKET_SET_REQUEST(usock, request->head.reqid, request->head.xid);
USOCKET_SET_SOCKTYPE(usock, request->domain, request->type,
request->protocol);
switch (request->type)
{
case SOCK_STREAM:
case SOCK_CTRL:
dbg_alt1250("allocated usockid: %d\n", *usock_result);
break;
case SOCK_SMS:
ret = alt1250_sms_init(dev, usock, usock_result, ackinfo);
if (*usock_result < 0)
{
usocket_free(usock);
}
break;
case SOCK_DGRAM:
case SOCK_RAW:
dbg_alt1250("allocated usockid: %d\n", *usock_result);
container = container_alloc();
if (container == NULL)
{
dbg_alt1250("no container\n");
usocket_free(usock);
return REP_NO_CONTAINER;
}
ret = open_altsocket(dev, container, usock, usock_result);
if (IS_NEED_CONTAINER_FREE(ret))
{
container_free(container);
}
if (*usock_result < 0)
{
usocket_free(usock);
}
break;
default:
dbg_alt1250("Not support this type: %u\n", request->type);
*usock_result = -EAFNOSUPPORT;
usocket_free(usock);
break;
}
return ret;
}