static int rtcfg_client_get_frag(int ifindex, struct rt_proc_call *call)
{
struct rtcfg_device *rtcfg_dev = &device[ifindex];
struct rtcfg_cmd *cmd_event;
cmd_event = rtpc_get_priv(call, struct rtcfg_cmd);
if ((rtcfg_dev->flags & RTCFG_FLAG_STAGE_2_DATA) == 0) {
rtos_res_unlock(&rtcfg_dev->dev_lock);
return -EINVAL;
}
rtcfg_send_ack(ifindex);
if (rtcfg_dev->spec.clt.cfg_offs >= rtcfg_dev->spec.clt.cfg_len) {
if (rtcfg_dev->stations_found == rtcfg_dev->other_stations) {
rtpc_complete_call(call, 0);
rtcfg_next_main_state(ifindex,
((rtcfg_dev->flags & RTCFG_FLAG_READY) != 0) ?
RTCFG_MAIN_CLIENT_READY : RTCFG_MAIN_CLIENT_2);
} else {
rtcfg_next_main_state(ifindex, RTCFG_MAIN_CLIENT_ALL_FRAMES);
rtcfg_queue_blocking_call(ifindex, call);
}
} else
rtcfg_queue_blocking_call(ifindex, call);
rtos_res_unlock(&rtcfg_dev->dev_lock);
return -CALL_PENDING;
}
static int rtcfg_client_get_frag(int ifindex, struct rt_proc_call *call)
{
struct rtcfg_device *rtcfg_dev = &device[ifindex];
if (test_bit(RTCFG_FLAG_STAGE_2_DATA, &rtcfg_dev->flags) == 0) {
rtdm_mutex_unlock(&rtcfg_dev->dev_mutex);
return -EINVAL;
}
rtcfg_send_ack(ifindex);
if (rtcfg_dev->spec.clt.cfg_offs >= rtcfg_dev->spec.clt.cfg_len) {
if (rtcfg_dev->stations_found == rtcfg_dev->other_stations) {
rtpc_complete_call(call, 0);
rtcfg_next_main_state(ifindex,
test_bit(RTCFG_FLAG_READY,
&rtcfg_dev->flags) ?
RTCFG_MAIN_CLIENT_READY : RTCFG_MAIN_CLIENT_2);
} else {
rtcfg_next_main_state(ifindex, RTCFG_MAIN_CLIENT_ALL_FRAMES);
rtcfg_queue_blocking_call(ifindex, call);
}
} else
rtcfg_queue_blocking_call(ifindex, call);
rtdm_mutex_unlock(&rtcfg_dev->dev_mutex);
return -CALL_PENDING;
}
int rtcfg_main_state_client_1(int ifindex, RTCFG_EVENT event_id,
void* event_data)
{
struct rtcfg_device *rtcfg_dev = &device[ifindex];
struct rtskb *rtskb = (struct rtskb *)event_data;
struct rt_proc_call *call = (struct rt_proc_call *)event_data;
struct rtcfg_cmd *cmd_event;
int ret;
switch (event_id) {
case RTCFG_CMD_CLIENT:
/* second trial (buffer was probably too small) */
rtcfg_queue_blocking_call(ifindex,
(struct rt_proc_call *)event_data);
rtcfg_next_main_state(ifindex, RTCFG_MAIN_CLIENT_0);
rtos_res_unlock(&rtcfg_dev->dev_lock);
return -CALL_PENDING;
case RTCFG_CMD_ANNOUNCE:
cmd_event = rtpc_get_priv(call, struct rtcfg_cmd);
if (cmd_event->args.announce.burstrate == 0) {
rtos_res_unlock(&rtcfg_dev->dev_lock);
return -EINVAL;
}
rtcfg_queue_blocking_call(ifindex,
(struct rt_proc_call *)event_data);
rtcfg_dev->flags = cmd_event->args.announce.flags &
(RTCFG_FLAG_STAGE_2_DATA | RTCFG_FLAG_READY);
if (cmd_event->args.announce.burstrate < rtcfg_dev->burstrate)
rtcfg_dev->burstrate = cmd_event->args.announce.burstrate;
rtcfg_next_main_state(ifindex, RTCFG_MAIN_CLIENT_ANNOUNCED);
ret = rtcfg_send_announce_new(ifindex);
if (ret < 0) {
rtcfg_dequeue_blocking_call(ifindex);
rtos_res_unlock(&rtcfg_dev->dev_lock);
return ret;
}
rtos_res_unlock(&rtcfg_dev->dev_lock);
return -CALL_PENDING;
case RTCFG_CMD_DETACH:
rtcfg_client_detach(ifindex, call);
break;
case RTCFG_FRM_ANNOUNCE_NEW:
if (rtcfg_client_recv_announce(ifindex, rtskb) == 0) {
rtcfg_send_announce_reply(ifindex,
rtskb->mac.ethernet->h_source);
rtos_res_unlock(&device[ifindex].dev_lock);
}
kfree_rtskb(rtskb);
break;
case RTCFG_FRM_ANNOUNCE_REPLY:
if (rtcfg_client_recv_announce(ifindex, rtskb) == 0)
rtos_res_unlock(&device[ifindex].dev_lock);
kfree_rtskb(rtskb);
break;
case RTCFG_FRM_READY:
if (rtcfg_client_recv_ready(ifindex, rtskb) == 0)
rtos_res_unlock(&device[ifindex].dev_lock);
break;
case RTCFG_FRM_STAGE_1_CFG:
/* ignore */
rtos_res_unlock(&rtcfg_dev->dev_lock);
kfree_rtskb(rtskb);
break;
default:
rtos_res_unlock(&rtcfg_dev->dev_lock);
RTCFG_DEBUG(1, "RTcfg: unknown event %s for rtdev %d in %s()\n",
rtcfg_event[event_id], ifindex, __FUNCTION__);
return -EINVAL;
}
return 0;
}
int rtcfg_main_state_client_2(int ifindex, RTCFG_EVENT event_id,
void* event_data)
{
struct rtskb *rtskb = (struct rtskb *)event_data;
struct rt_proc_call *call = (struct rt_proc_call *)event_data;
struct rtcfg_device *rtcfg_dev;
switch (event_id) {
case RTCFG_CMD_READY:
rtcfg_dev = &device[ifindex];
if (rtcfg_dev->stations_ready == rtcfg_dev->other_stations)
rtpc_complete_call(call, 0);
else
rtcfg_queue_blocking_call(ifindex, call);
rtcfg_next_main_state(ifindex, RTCFG_MAIN_CLIENT_READY);
if ((rtcfg_dev->flags & RTCFG_FLAG_READY) == 0) {
rtcfg_dev->flags |= RTCFG_FLAG_READY;
rtcfg_send_ready(ifindex);
}
rtos_res_unlock(&rtcfg_dev->dev_lock);
return -CALL_PENDING;
case RTCFG_CMD_DETACH:
rtcfg_client_detach(ifindex, call);
break;
case RTCFG_FRM_READY:
if (rtcfg_client_recv_ready(ifindex, rtskb) == 0)
rtos_res_unlock(&device[ifindex].dev_lock);
break;
case RTCFG_FRM_ANNOUNCE_NEW:
if (rtcfg_client_recv_announce(ifindex, rtskb) == 0) {
rtcfg_send_announce_reply(ifindex,
rtskb->mac.ethernet->h_source);
rtos_res_unlock(&device[ifindex].dev_lock);
}
kfree_rtskb(rtskb);
break;
case RTCFG_FRM_DEAD_STATION:
rtcfg_client_recv_dead_station(ifindex, rtskb);
break;
case RTCFG_FRM_STAGE_1_CFG:
/* ignore */
rtos_res_unlock(&device[ifindex].dev_lock);
kfree_rtskb(rtskb);
break;
default:
rtos_res_unlock(&device[ifindex].dev_lock);
RTCFG_DEBUG(1, "RTcfg: unknown event %s for rtdev %d in %s()\n",
rtcfg_event[event_id], ifindex, __FUNCTION__);
return -EINVAL;
}
return 0;
}
