/*
* @brief Change EEMCS exception state
* @param mode[in] Exception mode defined in EEMCS_EXCEPTION_MODE enumeration
* @return true indicateds success; otherwise false.
*/
kal_bool set_exception_mode(EEMCS_EXCEPTION_STATE new_mode)
{
EEMCS_EXCEPTION_STATE cur_mode;
DEBUG_LOG_FUNCTION_ENTRY;
KAL_ASSERT((new_mode >= EEMCS_EX_NONE) && (new_mode <= EEMCS_EX_REC_MSG_OK));
cur_mode = get_exception_mode();
#if 0
switch(cur_mode)
{
case EEMCS_EX_INVALID:
goto _err;
break;
case EEMCS_EX_NONE:
if(EEMCS_EX_INIT != new_mode)
goto _err;
break;
case EEMCS_EX_INIT:
if(EEMCS_EX_DHL_DL_RDY != new_mode)
goto _err;
break;
case EEMCS_EX_DHL_DL_RDY:
if(EEMCS_EX_INIT_DONE != new_mode)
goto _err;
break;
case EEMCS_EX_INIT_DONE:
/*Only allow reset to EEMCS_EX_INIT state*/
if(EEMCS_EX_INIT != new_mode)
goto _err;
break;
default:
goto _err;
break;
}
#endif
/*TODO: LOCK PROTECTION*/
eemcs_exception_state = new_mode;
DBGLOG(EXPT, DBG, "Exception mode: 0x%X -> 0x%X", cur_mode, new_mode);
DEBUG_LOG_FUNCTION_LEAVE;
return true;
#if 0
_err:
DBGLOG(EXPT, ERR, "Invalid exception mode: 0x%X -> 0x%X", cur_mode, new_mode);
DEBUG_LOG_FUNCTION_LEAVE;
return false;
#endif
}
int mtlte_check_excetion_int(unsigned int swint_status)
{
int i;
if(swint_status & D2H_INT_except_init)
{
KAL_DBGPRINT(KAL, DBG_ERROR,("[exception] MT6290m modem assertion!! Start assertion dump flow... \r\n")) ;
if(lte_expt_priv.cb_ccci_expt_int){
lte_expt_priv.cb_ccci_expt_int(EX_INIT);
}else{
KAL_DBGPRINT(KAL, DBG_ERROR,("[exception] there is no ccci callback function !!\r\n")) ;
KAL_ASSERT(0) ;
}
if (mtlte_hif_expt_mode_init() != KAL_SUCCESS){
return KAL_FAIL ;
}
// eemcs_ccci_ex_ind (DHL_DL_RDY)
lte_expt_priv.cb_ccci_expt_int(EX_DHL_DL_RDY);
// [SDIO] Active DHL_DL queue & Enable DHL_DL related DLQ interrupt
for(i=0; i<RXQ_NUM; i++)
{
if( 1 == lte_expt_priv.non_stop_dlq[i] )
{
mtlte_hif_expt_restart_que(1, i);
}
}
mtlte_hif_expt_unmask_swint();
mtlte_hif_expt_enable_interrupt();
KAL_DBGPRINT(KAL, DBG_ERROR,("[exception] Start to transfer remain DHL DL pkt... \r\n")) ;
}
else if(swint_status & D2H_INT_except_clearQ_done)
{
KAL_DBGPRINT(KAL, DBG_ERROR,("[exception] DHL DL pkt transfer Done, Start reset to exception que ... \r\n")) ;
mtlte_hif_expt_set_reset_allQ_bit();
}
return KAL_SUCCESS;
}
/*
* @brief Configure the modem runtime data structure.
* @param
* buffer [in] The buffer containing modem runtime data.
* @return Size of the modem runtime data structure is returned always.
*/
KAL_INT32 eemcs_md_runtime_cfg(void *buffer)
{
struct file *filp = NULL;
LOGGING_MODE mdlog_flag = MODE_IDLE;
struct MODEM_RUNTIME_st *runtime = NULL;
int ret = 0;
KAL_ASSERT(buffer != NULL);
runtime = (struct MODEM_RUNTIME_st *)buffer;
memset(runtime, 0, sizeof(struct MODEM_RUNTIME_st));
runtime->Prefix = 0x46494343; //"CCIF"
runtime->Postfix = 0x46494343; //"CCIF"
runtime->BootChannel = CH_CTRL_RX;
runtime->DriverVersion = 0x20110118;
filp = filp_open(MDLOGGER_FILE_PATH, O_RDONLY, 0777);
if (!IS_ERR(filp)) {
ret = kernel_read(filp, 0, (char*)&mdlog_flag, sizeof(int));
if (ret != sizeof(int))
mdlog_flag = MODE_IDLE;
} else {
DBGLOG(BOOT, ERR, "open %s fail: %ld", MDLOGGER_FILE_PATH, PTR_ERR(filp));
filp = NULL;
}
if (filp != NULL) {
filp_close(filp, NULL);
}
if (is_meta_mode() || is_advanced_meta_mode())
runtime->BootingStartID = ((char)mdlog_flag << 8 | META_BOOT_ID);
else
runtime->BootingStartID = ((char)mdlog_flag << 8 | NORMAL_BOOT_ID);
DBGLOG(BOOT, INF, "send /data/extmdl/mdl_config =%d to modem!", mdlog_flag);
return sizeof(struct MODEM_RUNTIME_st);
}
int mtlte_df_DL_enswq_buf(MTLTE_DF_RX_QUEUE_TYPE qno , void *buf, unsigned int len)
{
int ret = KAL_SUCCESS ;
struct sk_buff *skb = NULL;
KAL_DBGPRINT(KAL, DBG_INFO,("====> %s , qno: %d\n",KAL_FUNC_NAME, qno)) ;
#if BUFFER_POOL_FOR_EACH_QUE
if(len > lte_df_core.df_skb_alloc_size[qno]){
KAL_DBGPRINT(KAL, DBG_ERROR,("[SDIO][ERR] lte_df_core.df_skb_alloc_size[%d] = %d, packet this time = %d \n", qno, lte_df_core.df_skb_alloc_size[qno], len)) ;
KAL_DBGPRINT(KAL, DBG_ERROR,("[SDIO][ERR] First 64byte of this error packet = ")) ;
KAL_DBGPRINT(KAL, DBG_ERROR, ("0x%08x, 0x%08x, 0x%08x, 0x%08x, ", *(unsigned int *)(buf+0), *(unsigned int *)(buf+4), *(unsigned int *)(buf+8), *(unsigned int *)(buf+12))) ;
KAL_DBGPRINT(KAL, DBG_ERROR, ("0x%08x, 0x%08x, 0x%08x, 0x%08x, ", *(unsigned int *)(buf+16), *(unsigned int *)(buf+20), *(unsigned int *)(buf+24), *(unsigned int *)(buf+28))) ;
KAL_DBGPRINT(KAL, DBG_ERROR, ("0x%08x, 0x%08x, 0x%08x, 0x%08x, ", *(unsigned int *)(buf+32), *(unsigned int *)(buf+36), *(unsigned int *)(buf+40), *(unsigned int *)(buf+44))) ;
KAL_DBGPRINT(KAL, DBG_ERROR, ("0x%08x, 0x%08x, 0x%08x, 0x%08x, ", *(unsigned int *)(buf+48), *(unsigned int *)(buf+52), *(unsigned int *)(buf+56), *(unsigned int *)(buf+60))) ;
}
KAL_ASSERT(len <= lte_df_core.df_skb_alloc_size[qno]) ;
#else
KAL_ASSERT(len <= DEV_MAX_PKT_SIZE) ;
#endif
if (lte_df_core.cb_handle[qno].callback_func == NULL){
return KAL_SUCCESS ;
}
#if BUFFER_POOL_FOR_EACH_QUE
if ((skb = skb_dequeue(<e_df_core.dl_buffer_pool_queue[qno])) == NULL ){
KAL_DBGPRINT(KAL, DBG_WARN,("mtlte_df_DL_enswq_buf skb_dequeue no skb\n")) ;
return KAL_FAIL ;
}
#else
if ((skb = skb_dequeue(<e_df_core.dl_buffer_pool_queue)) == NULL ){
KAL_DBGPRINT(KAL, DBG_WARN,("mtlte_df_DL_enswq_buf skb_dequeue no skb\n")) ;
return KAL_FAIL ;
}
#endif
memcpy(skb_put(skb, len), buf, len) ;
KAL_MUTEXLOCK(<e_df_core.dl_pkt_lock);
//NOTICE : try to set in_use number before really enqueue skb, to avoid in_use number <0 assert
lte_df_core.dl_pkt_in_use[qno] ++ ;
skb_queue_tail(<e_df_core.dl_recv_wait_queue[qno], skb) ;
KAL_MUTEXUNLOCK(<e_df_core.dl_pkt_lock);
#if FORMAL_DL_FLOW_CONTROL
if(true == lte_df_core.fl_ctrl_enable[qno]){
atomic_inc(<e_df_core.fl_ctrl_counter[qno]);
if(atomic_read(<e_df_core.fl_ctrl_counter[qno]) >= lte_df_core.fl_ctrl_limit[qno]){
lte_df_core.fl_ctrl_full[qno] = true;
}
// record the largest counter ever
if(atomic_read(<e_df_core.fl_ctrl_counter[qno]) > lte_df_core.fl_ctrl_record[qno]){
lte_df_core.fl_ctrl_record[qno] = atomic_read(<e_df_core.fl_ctrl_counter[qno]);
}
}
#endif
#if (USE_QUE_WORK_DISPATCH_RX || DISPATCH_AFTER_ALL_SKB_DONE)
#else
KAL_DBGPRINT(KAL, DBG_INFO,("RXQ %d callback , and the private data is %d\r\n",qno, lte_df_core.cb_handle[qno].private_data)) ;
//lte_df_core.cb_handle[qno].callback_func(lte_df_core.cb_handle[qno].private_data) ;
lte_df_core.cb_handle[qno].callback_func(qno) ;
#endif
KAL_DBGPRINT(KAL, DBG_INFO,("<==== %s\n",KAL_FUNC_NAME)) ;
return ret ;
}
KAL_UINT32 ccci_get_port_type(KAL_UINT32 ccci_port_index){
KAL_ASSERT(ccci_port_index < CCCI_PORT_NUM_MAX);
return ccci_port_info[ccci_port_index].export_type;
}
KAL_UINT32 ccci_get_port_cflag(KAL_UINT32 ccci_port_index){
KAL_ASSERT(ccci_port_index < CCCI_PORT_NUM_MAX);
return ccci_port_info[ccci_port_index].flag;
}
int ccci_df_to_ccci_callback(unsigned int rxq_no)
{
int ret, hc_ret;
bool is_xcmd = false;
struct sk_buff * skb = NULL;
CCCI_BUFF_T *ccci_h = NULL;
XBOOT_CMD *p_xcmd = NULL;
KAL_UINT32 port_id = CCCI_PORT_CTRL;
static KAL_UINT32 rx_err_cnt[CCCI_PORT_NUM_MAX] = {0};
#ifdef __EEMCS_EXPT_SUPPORT__
EEMCS_EXCEPTION_STATE mode = EEMCS_EX_INVALID;
#endif
#if defined (DBG_FEATURE_ADD_CCCI_SEQNO)
KAL_INT16 channel, seq_num, assert_bit;
#endif
DEBUG_LOG_FUNCTION_ENTRY;
/* Step 1. read skb from swq */
skb = hif_dl_read_swq(rxq_no);
if(skb == NULL) {
DBGLOG(CCCI, DBG, "ccci_df_to_ccci_callback read NULL skb on %d", rxq_no);
if(is_exception_mode(&mode))
return KAL_FAIL;
else
KAL_ASSERT(NULL != skb);
}
/* Step 2. call handle complete */
hc_ret = hif_dl_pkt_handle_complete(rxq_no);
KAL_ASSERT(0 == hc_ret);
wake_lock_timeout(&eemcs_wake_lock, HZ/2); // Using 0.5s wake lock
/* Step 3. buffer type */
if (rxq_no == RXQ_Q0) {
//is_xcmd = is_xboot_command(skb);
p_xcmd = (XBOOT_CMD *)skb->data;
if (p_xcmd->magic == (KAL_UINT32)MAGIC_MD_CMD) {
if (check_device_state() >= EEMCS_MOLY_HS_P1) {
DBGLOG(CCCI, ERR, "can't recv xBoot cmd when EEMCS state=%d", check_device_state());
} else {
is_xcmd = true;
}
}
}
if (is_xcmd) {
/* Step 4. callback to xBoot */
CDEV_LOG(port_id, CCCI, INF, "XBOOT_CMD: 0x%08X, 0x%08X, 0x%08X, 0x%08X",\
p_xcmd->magic, p_xcmd->msg_id, p_xcmd->status, p_xcmd->reserved[0]);
ret = ccci_port_info[port_id].ch.rx_cb(skb, 0);
} else {
ccci_h = (CCCI_BUFF_T *)skb->data;
port_id = ccci_ch_to_port(ccci_h->channel);
CDEV_LOG(port_id, CCCI, INF, "CCCI_H: 0x%08X, 0x%08X, 0x%08X, 0x%08X",\
ccci_h->data[0],ccci_h->data[1],ccci_h->channel, ccci_h->reserved);
/*check rx sequence number for expect*/
#if defined (DBG_FEATURE_ADD_CCCI_SEQNO)
channel = ccci_h->channel;
seq_num = ccci_h->seq_num;
assert_bit = ccci_h->assert_bit;
DBGLOG(CCCI, DBG, "Port%d CCCI_H: data[0]=0x%08X, data[1]=0x%08X, ch=0x%02X, seqno=0x%02X, assert=%d, resv=0x%08X(0x%08X, 0x%08X, 0x%08X)",\
port_id, ccci_h->data[0],ccci_h->data[1],ccci_h->channel, ccci_h->seq_num, \
ccci_h->assert_bit, ccci_h->reserved, channel, seq_num, assert_bit);
if(((seq_num - ccci_seqno_tbl[channel].seqno[RX]) & 0x7FFF) != 1 && assert_bit) {
DBGLOG(CCCI, ERR, "Port%d seqno out-of-order(0x%02X->0x%02X): data[0]=0x%08X, data[1]=0x%08X, ch=0x%02X, seqno=0x%02X, assert=%d, resv=0x%08X", \
port_id, seq_num, ccci_seqno_tbl[channel].seqno[RX], ccci_h->data[0], ccci_h->data[1], \
ccci_h->channel, ccci_h->seq_num, ccci_h->assert_bit, ccci_h->reserved);
hif_force_md_assert_swint();
}
ccci_seqno_tbl[channel].seqno[RX] = seq_num;
#endif
/* Step 4. callback to CCCI device */
if(NULL != ccci_port_info[port_id].ch.rx_cb){
#ifdef __EEMCS_EXPT_SUPPORT__
if(is_exception_mode(&mode))
{
if(!is_valid_exception_port(port_id, true))
{
ret = KAL_FAIL;
dev_kfree_skb(skb);
eemcs_ccci_release_rx_skb(port_id, 1, skb);
eemcs_expt_ccci_rx_drop(port_id);
DBGLOG(CCCI, ERR, "PKT DROP when PORT%d(rxq=%d) at md exception", \
port_id, rxq_no);
goto _end;
} else {
ret = ccci_port_info[port_id].ch.rx_cb(skb, 0);
}
}
else
#endif
{
ret = ccci_port_info[port_id].ch.rx_cb(skb, 0);
}
rx_err_cnt[port_id] = 0;
} else {
ret = KAL_FAIL;
dev_kfree_skb(skb);
eemcs_ccci_release_rx_skb(port_id, 1, skb);
if (rx_err_cnt[port_id]%20 == 0) {
DBGLOG(CCCI, ERR, "PKT DROP when PORT%d rx callback(ch=%d) not registered", \
port_id, ccci_h->channel);
}
rx_err_cnt[port_id]++;
eemcs_update_statistics(0, port_id, RX, DROP);
}
eemcs_update_statistics(0, port_id, RX, NORMAL);
}
_end:
DEBUG_LOG_FUNCTION_LEAVE;
return ret;
}
KAL_INT32 eemcs_ccci_boot_UL_write_skb_to_swq(struct sk_buff *skb)
{
XBOOT_CMD *p_xcmd = NULL;
KAL_UINT32 tx_queue_idx = 0;
KAL_INT32 ret = KAL_SUCCESS;
#ifdef __EEMCS_EXPT_SUPPORT__
ccci_expt_port_cfg *expt_port_info;
EEMCS_EXCEPTION_STATE mode = EEMCS_EX_INVALID;
#endif
DEBUG_LOG_FUNCTION_ENTRY;
// Use boot state, not EEMCS state
//if (check_device_state() < EEMCS_MOLY_HS_P1) {
if (eemcs_boot_get_state() < MD_ROM_BOOT_READY) {
if (NULL != skb){
p_xcmd = (XBOOT_CMD *)skb->data;
if (p_xcmd->magic == (unsigned int)MAGIC_MD_CMD_ACK) {
KAL_ASSERT(p_xcmd->msg_id < CMDID_MAX);
DBGLOG(CCCI, DBG, "XBOOT_CMD: [TX]0x%X, 0x%X, 0x%X, 0x%X",
p_xcmd->magic, p_xcmd->msg_id, p_xcmd->status, p_xcmd->reserved[0]);
} else {
KAL_ASSERT(skb->len > 0);
DBGLOG(CCCI, DBG, "XBOOT_BIN: get %dByte bin to md", skb->len);
}
} else {
DBGLOG(CCCI, WAR, "CH_CTRL_TX write NULL skb to kick DF process!");
}
#ifdef __EEMCS_EXPT_SUPPORT__
if(is_exception_mode(&mode))
{
if(is_valid_exception_tx_channel(CH_CTRL_TX))
{
expt_port_info = get_expt_port_info(ccci_ch_to_port(CH_CTRL_TX));
/* set exception TX Q*/
tx_queue_idx = expt_port_info->expt_txq_id;
DBGLOG(CCCI, DBG, "[EXPT]boot_write_skb_to_swq: ch=%d, txq=%d", CH_CTRL_TX, tx_queue_idx);
hif_ul_write_swq(tx_queue_idx, skb);
}
else
{
DBGLOG(CCCI, ERR, "[EXPT]Invalid exception channel(%d)", CH_CTRL_TX);
/*
* if KAL_FAIL is returned, skb is freed at device layer
* we don't have to free it here
*/
//eemcs_ex_ccci_tx_drop(ccci_ch_to_port(chn));
ret = KAL_FAIL;
}
}
else
#endif
{
tx_queue_idx = ccci_port_info[ccci_ch_to_port(CH_CTRL_TX)].txq_id;
hif_ul_write_swq(tx_queue_idx, skb);
}
} else {
eemcs_ccci_UL_write_skb_to_swq(CH_CTRL_TX, skb);
}
DEBUG_LOG_FUNCTION_LEAVE;
return ret;
}
KAL_UINT32 ccci_ch_to_port(KAL_UINT32 ccci_ch_num){
KAL_UINT32 port_index;
port_index = ccci_ch_to_port_mapping[ccci_ch_num];
KAL_ASSERT(port_index < CCCI_PORT_NUM_MAX);
return port_index;
}
void eemcs_ccci_turn_on_dlq_by_port(KAL_UINT32 ccci_port_index){
KAL_ASSERT(ccci_port_index < CCCI_PORT_NUM_MAX);
DBGLOG(CCCI,DBG, "CCCI port (%d) turn on dlq(%d)", ccci_port_index, SDIO_RXQ(ccci_port_info[ccci_port_index].rxq_id));
hif_turn_on_dl_q(SDIO_RXQ(ccci_port_info[ccci_port_index].rxq_id));
return;
}
KAL_INT32 eemcs_ccci_UL_write_skb_to_swq(CCCI_CHANNEL_T chn, struct sk_buff *skb)
{
//KAL_DBGPRINT(KAL, DBG_INFO,("====> %s, chn: %d\n", KAL_FUNC_NAME, chn)) ;
//return mtlte_df_UL_write_skb_to_swq(df_ul_ccci_ch_to_q[chn], skb) ;
CCCI_BUFF_T *pccci_h = NULL;
KAL_UINT32 tx_queue_idx;
KAL_INT32 ret = KAL_SUCCESS;
#ifdef __EEMCS_EXPT_SUPPORT__
ccci_expt_port_cfg *expt_port_info;
EEMCS_EXCEPTION_STATE mode = EEMCS_EX_INVALID;
#endif
DEBUG_LOG_FUNCTION_ENTRY;
if(NULL != skb){
pccci_h = (CCCI_BUFF_T *)skb->data;
DBGLOG(CCCI, DBG, "[TX]CCCI_H: 0x%x, 0x%x, 0x%x, 0x%x",\
pccci_h->data[0], pccci_h->data[1], pccci_h->channel, pccci_h->reserved);
KAL_ASSERT(pccci_h->channel == chn);
KAL_ASSERT(pccci_h->channel < CH_NUM_MAX || pccci_h->channel == CCCI_FORCE_RESET_MODEM_CHANNEL);
}else{
DBGLOG(CCCI, WAR, "CH%d write NULL skb to kick DF process!", chn);
}
if(pccci_h->channel == CCCI_FORCE_RESET_MODEM_CHANNEL){
tx_queue_idx = 0;
hif_ul_write_swq(tx_queue_idx, skb);
}else{
#ifdef __EEMCS_EXPT_SUPPORT__
if(is_exception_mode(&mode))
{
if(is_valid_exception_tx_channel(chn))
{
expt_port_info = get_expt_port_info(ccci_ch_to_port(chn));
/* set exception TX Q*/
tx_queue_idx = expt_port_info->expt_txq_id;
DBGLOG(CCCI, DBG, "[EXPT] ccci_UL_write_skb_to_swq write skb to DF: ch=%d, txq=%d", chn, tx_queue_idx);
hif_ul_write_swq(tx_queue_idx, skb);
atomic_dec(&ccci_port_info[ccci_ch_to_port(chn)].reserve_space);
atomic_dec(&ccci_tx_waitq[tx_queue_idx].reserve_space);
eemcs_update_statistics(0, ccci_ch_to_port(chn), TX, NORMAL);
}
else
{
DBGLOG(CCCI, WAR, "[EXPT] Invalid exception channel(%d)!", chn);
/*
* if KAL_FAIL is returned, skb is freed at device layer
* we don't have to free it here
*/
//eemcs_ex_ccci_tx_drop(ccci_ch_to_port(chn));
ret = KAL_FAIL;
}
}
else
#endif
{
tx_queue_idx = ccci_port_info[ccci_ch_to_port(chn)].txq_id;
hif_ul_write_swq(tx_queue_idx, skb);
atomic_dec(&ccci_port_info[ccci_ch_to_port(chn)].reserve_space);
atomic_dec(&ccci_tx_waitq[tx_queue_idx].reserve_space);
eemcs_update_statistics(0, ccci_ch_to_port(chn), TX, NORMAL);
}
}
DEBUG_LOG_FUNCTION_LEAVE;
return ret;
}
static ssize_t eemcs_ipc_read(struct file *fp, char *buf, size_t count, loff_t *ppos)
{
unsigned int flag;
eemcs_ipc_node_t *curr_node = (eemcs_ipc_node_t *)fp->private_data;
KAL_UINT8 node_id = curr_node->ipc_node_id;/* node_id */
KAL_UINT8 port_id = eemcs_ipc_inst.eemcs_port_id; /* port_id */
KAL_UINT32 rx_pkt_cnt, read_len;
struct sk_buff *rx_skb;
unsigned char *payload=NULL;
CCCI_BUFF_T *ccci_header;
int ret = 0;
DEBUG_LOG_FUNCTION_ENTRY;
flag=fp->f_flags;
DBGLOG(IPCD,TRA,"ipc_read: deivce iminor=%d, len=%d", node_id ,count);
if(!eemcs_device_ready())
{
DBGLOG(IPCD,ERR,"MD device not ready!");
ret= -EIO;
return ret;
}
/* Check receive pkt count */
rx_pkt_cnt = atomic_read(&curr_node->rx_pkt_cnt);
KAL_ASSERT(rx_pkt_cnt >= 0);
if(rx_pkt_cnt == 0){
if (flag&O_NONBLOCK)
{
ret=-EAGAIN;
DBGLOG(IPCD,TRA,"ipc_read: PORT%d for NONBLOCK",port_id);
goto _exit;
}
ret = wait_event_interruptible(curr_node->rx_waitq, atomic_read(&curr_node->rx_pkt_cnt) > 0);
if(ret)
{
ret = -EINTR;
DBGLOG(IPCD, ERR, "[RX]PORT%d read interrupt by syscall.signal(%lld)", port_id, \
*(long long *)current->pending.signal.sig);
goto _exit;
}
}
/*
* Cached memory from last read fail
*/
DBGLOG(IPCD,TRA,"ipc_read: dequeue from rx_skb_list, rx_pkt_cnt(%d)",rx_pkt_cnt);
rx_skb = skb_dequeue(&curr_node->rx_skb_list);
/* There should be rx_skb in the list */
KAL_ASSERT(NULL != rx_skb);
atomic_dec(&curr_node->rx_pkt_cnt);
rx_pkt_cnt = atomic_read(&curr_node->rx_pkt_cnt);
KAL_ASSERT(rx_pkt_cnt >= 0);
ccci_header = (CCCI_BUFF_T *)rx_skb->data;
DBGLOG(IPCD,TRA,"ipc_read: PORT%d CCCI_MSG(0x%08X, 0x%08X, %02d, 0x%08X)",\
port_id, ccci_header->data[0],ccci_header->data[1],
ccci_header->channel, ccci_header->reserved);
/*If not match please debug EEMCS CCCI demux skb part*/
KAL_ASSERT(ccci_header->channel == eemcs_ipc_inst.ccci_ch.rx);
read_len = ccci_header->data[1] - sizeof(CCCI_BUFF_T);
/* remove CCCI_HEADER */
skb_pull(rx_skb, sizeof(CCCI_BUFF_T));
DBGLOG(IPCD,TRA,"ipc_read: PORT%d read_len=%d",port_id, read_len);
payload=(unsigned char*)rx_skb->data;
if(count < read_len)
{
DBGLOG(IPCD,ERR,"PKT DROP of PORT%d! want_read=%d, read_len=%d",
port_id, count, read_len);
atomic_inc(&curr_node->rx_pkt_drop_cnt);
eemcs_update_statistics(0, eemcs_ipc_inst.eemcs_port_id, RX, DROP);
dev_kfree_skb(rx_skb);
ret = -E2BIG;
goto _exit;
}
DBGLOG(IPCD,TRA,"ipc_read: copy_to_user(len=%d), %p -> %p", read_len, payload, buf);
ret = copy_to_user(buf, payload, read_len);
if(ret!=0)
{
DBGLOG(IPCD, ERR, "[RX]PORT%d copy_to_user(len=%d, %p->%p) fail: %d", \
port_id, read_len, payload, buf, ret);
ret = -EFAULT;
goto _exit;
}
dev_kfree_skb(rx_skb);
if(ret == 0){
DEBUG_LOG_FUNCTION_LEAVE;
return read_len;
}
_exit:
DEBUG_LOG_FUNCTION_LEAVE;
return ret;
}
ccci_expt_port_cfg* get_expt_port_info(KAL_UINT32 port_id){
DEBUG_LOG_FUNCTION_ENTRY;
KAL_ASSERT(port_id < CCCI_PORT_NUM_MAX);
DEBUG_LOG_FUNCTION_LEAVE;
return &ccci_expt_port_info[port_id];
}
static ssize_t eemcs_cdev_read(struct file *fp, char *buf, size_t count, loff_t *ppos)
{
unsigned int flag;
eemcs_cdev_node_t *curr_node = (eemcs_cdev_node_t *)fp->private_data;
KAL_UINT8 port_id = curr_node->eemcs_port_id; /* port_id */
KAL_UINT32 p_type, rx_pkt_cnt, read_len, rx_pkt_cnt_int;
struct sk_buff *rx_skb;
unsigned char *payload=NULL;
CCCI_BUFF_T *ccci_header;
int ret = 0;
DEBUG_LOG_FUNCTION_ENTRY;
flag=fp->f_flags;
//verbose DBGLOG(CHAR,DBG,"read deivce iminor (0x%x),length(0x%x)",port_id,count);
p_type = ccci_get_port_type(port_id);
if(p_type != EX_T_USER)
{
DBGLOG(CHAR, ERR, "PORT%d refuse port(%d) access user port", port_id, p_type);
goto _exit;
}
rx_pkt_cnt_int = atomic_read(&curr_node->buff.remaining_rx_cnt);
KAL_ASSERT(rx_pkt_cnt_int >= 0);
if(rx_pkt_cnt_int == 1)
{
DBGLOG(CHAR, DBG, "Streaming reading!! PORT%d len=%d\n",port_id,count);
rx_skb = curr_node->buff.remaining_rx_skb;
/* rx_skb shall not be null */
KAL_ASSERT(NULL != rx_skb);
read_len = curr_node->buff.remaining_len;
KAL_ASSERT(read_len >= 0);
}
else
{
rx_pkt_cnt = atomic_read(&curr_node->rx_pkt_cnt);
KAL_ASSERT(rx_pkt_cnt >= 0);
if(rx_pkt_cnt == 0) {
if (flag&O_NONBLOCK)
{
ret=-EAGAIN;
//verbose DBGLOG(CHAR,DBG,"[CHAR] PORT(%d) eemcs_cdev_read return O_NONBLOCK for NON-BLOCKING",port_id);
goto _exit;
}
ret = wait_event_interruptible(curr_node->rx_waitq, atomic_read(&curr_node->rx_pkt_cnt) > 0);
if(ret)
{
ret = -EINTR;
DBGLOG(CHAR, ERR, "PORT%d interruptted while waiting data.", port_id);
goto _exit;
}
}
/*
* Cached memory from last read fail
*/
DBGLOG(CHAR, TRA, "eemcs_cdev_read dequeue from rx_skb_list, rx_pkt_cnt(%d)",rx_pkt_cnt);
rx_skb = skb_dequeue(&curr_node->rx_skb_list);
/* There should be rx_skb in the list */
KAL_ASSERT(NULL != rx_skb);
atomic_dec(&curr_node->rx_pkt_cnt);
rx_pkt_cnt = atomic_read(&curr_node->rx_pkt_cnt);
KAL_ASSERT(rx_pkt_cnt >= 0);
ccci_header = (CCCI_BUFF_T *)rx_skb->data;
DBGLOG(CHAR, TRA, "eemcs_cdev_read: PORT%d CCCI_H(0x%x)(0x%x)(0x%x)(0x%x)",\
port_id, ccci_header->data[0],ccci_header->data[1],
ccci_header->channel, ccci_header->reserved);
/*If not match please debug EEMCS CCCI demux skb part*/
if(ccci_header->channel != curr_node->ccci_ch.rx) {
DBGLOG(CHAR,ERR,"Assert(ccci_header->channel == curr_node->ccci_ch.rx)");
DBGLOG(CHAR,ERR,"ccci_header->channel:%d, curr_node->ccci_ch.rx:%d, curr_node->eemcs_port_id:%d",
ccci_header->channel, curr_node->ccci_ch.rx, curr_node->eemcs_port_id);
KAL_ASSERT(ccci_header->channel == curr_node->ccci_ch.rx);
}
//KAL_ASSERT(ccci_header->channel == curr_node->ccci_ch.rx);
if(!(ccci_get_port_cflag(port_id) & EXPORT_CCCI_H))
{
read_len = ccci_header->data[1] - sizeof(CCCI_BUFF_T);
/* remove CCCI_HEADER */
skb_pull(rx_skb, sizeof(CCCI_BUFF_T));
}else{
if(ccci_header->data[0] == CCCI_MAGIC_NUM){
read_len = sizeof(CCCI_BUFF_T);
}else{
read_len = ccci_header->data[1];
}
}
}
DBGLOG(CHAR, TRA, "eemcs_cdev_read: PORT%d read_len=%d",port_id, read_len);
/* 20130816 ian add aud dump */
{
char *ptr = (char *)rx_skb->data;
/* dump 32 byte of the !!!CCCI DATA!!! part */
CDEV_LOG(port_id, CHAR, ERR,"[DUMP]PORT%d eemcs_cdev_read\n\
[00..07](0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)\n\
[08..15](0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)\n\
[16..23](0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)\n\
[24..31](0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)(0x%02x)",\
port_id,\
(int)*(ptr+0),(int)*(ptr+1),(int)*(ptr+2),(int)*(ptr+3),(int)*(ptr+4),(int)*(ptr+5),(int)*(ptr+6),(int)*(ptr+7),\
(int)*(ptr+8),(int)*(ptr+9),(int)*(ptr+10),(int)*(ptr+11),(int)*(ptr+12),(int)*(ptr+13),(int)*(ptr+14),(int)*(ptr+15),\
(int)*(ptr+16),(int)*(ptr+17),(int)*(ptr+18),(int)*(ptr+19),(int)*(ptr+20),(int)*(ptr+21),(int)*(ptr+22),(int)*(ptr+23),\
(int)*(ptr+24),(int)*(ptr+25),(int)*(ptr+26),(int)*(ptr+27),(int)*(ptr+28),(int)*(ptr+29),(int)*(ptr+30),(int)*(ptr+31));
}
payload=(unsigned char*)rx_skb->data;
if(count < read_len)
{
/* Means 1st streaming reading*/
if(rx_pkt_cnt_int == 0)
{
atomic_inc(&curr_node->buff.remaining_rx_cnt);
curr_node->buff.remaining_rx_skb = rx_skb;
}
DBGLOG(CHAR, DBG, "PORT%d !!! USER BUFF(%d) less than DATA SIZE(%d) !!!", port_id, count, read_len);
DBGLOG(CHAR, DBG, "copy data from %p to %p length = %d",payload,buf,count);
ret = copy_to_user(buf, payload, count);
if(ret == 0)
{
curr_node->buff.remaining_len = read_len - count;
skb_pull(rx_skb, count); //move data pointer
//update actually read length
read_len = count;
}
else
{
// If error occurs, discad the skb buffer
DBGLOG(CHAR, ERR, "PORT%d !!! PKT DROP !!! fail copy_to_user buf(%d, %d)", port_id, count, ret);
atomic_dec(&curr_node->rx_pkt_drop_cnt);
eemcs_update_statistics(0, port_id, RX, DROP);
dev_kfree_skb(rx_skb);
eemcs_ccci_release_rx_skb(port_id, 1, rx_skb);
if(rx_pkt_cnt_int == 1)
{
curr_node->buff.remaining_len = 0;
curr_node->buff.remaining_rx_skb = NULL;
atomic_dec(&curr_node->buff.remaining_rx_cnt);
}
}
}
else
{
DBGLOG(CHAR, DBG, "copy data from %p to %p length = %d", payload, buf, read_len);
ret = copy_to_user(buf, payload, read_len);
if(ret!=0)
{
DBGLOG(CHAR, ERR, "copy_to_user len=%d fail: %d)", read_len, ret);
}
dev_kfree_skb(rx_skb);
eemcs_ccci_release_rx_skb(port_id, 1, rx_skb);
if(rx_pkt_cnt_int == 1)
{
curr_node->buff.remaining_len = 0;
curr_node->buff.remaining_rx_skb = NULL;
atomic_dec(&curr_node->buff.remaining_rx_cnt);
}
}
if(ret == 0){
DEBUG_LOG_FUNCTION_LEAVE;
return read_len;
}
_exit:
DEBUG_LOG_FUNCTION_LEAVE;
return ret;
}
/*
* @brief Initialization of exception handling
* @param
* None
* @return
* This function returns KAL_SUCCESS always.
*/
KAL_INT32 eemcs_expt_mod_init(void)
{
KAL_UINT32 i = 0;
//KAL_UINT32 except_txq = 0, except_rxq = 0;
//KAL_UINT32 nonstop_rxq = 0; /* for Log path to output as much as possible */
KAL_INT32 ret;
ccci_port_cfg *log_queue_config;
DEBUG_LOG_FUNCTION_ENTRY;
//Init md exception type
g_except_inst.md_ex_type = 0;
/* init expt_cb and expt_cb_lock*/
spin_lock_init(&g_except_inst.expt_cb_lock);
for(i = 0; i < CCCI_PORT_NUM_MAX; i++) {
g_except_inst.expt_cb[i] = NULL;
if(TR_Q_INVALID != ccci_expt_port_info[i].expt_txq_id)
{
set_bit(SDIO_TXQ(ccci_expt_port_info[i].expt_txq_id), (unsigned long *)&except_txq);
}
if(TR_Q_INVALID != ccci_expt_port_info[i].expt_rxq_id)
{
set_bit(SDIO_RXQ(ccci_expt_port_info[i].expt_rxq_id), (unsigned long *)&except_rxq);
}
}
eemcs_expt_ut_init();
log_queue_config = ccci_get_port_info(CCCI_PORT_MD_LOG);
set_bit(SDIO_RXQ(log_queue_config->rxq_id), (unsigned long *)&nonstop_rxq);
hif_except_init(nonstop_rxq, (except_txq << 16) | except_rxq);
ret = hif_reg_expt_cb(ccci_df_to_ccci_exception_callback);
KAL_ASSERT(ret == KAL_SUCCESS);
DBGLOG(EXPT, TRA, "nonstop_txq=%d, nonstop_rxq=%d, exp_txq=%d, exp_rxq=%d",
0, nonstop_rxq, except_txq, except_rxq);
/* Init Tx Q list */
for (i = 0; i < SDIO_TX_Q_NUM; i++) {
g_except_inst.txq[i].id = -1;
atomic_set(&g_except_inst.txq[i].pkt_cnt, 0);
skb_queue_head_init(&g_except_inst.txq[i].skb_list);
}
/* Init Rx Q list */
for (i = 0; i < SDIO_RX_Q_NUM; i++) {
g_except_inst.rxq[i].id = -1;
atomic_set(&g_except_inst.rxq[i].pkt_cnt, 0);
skb_queue_head_init(&g_except_inst.rxq[i].skb_list);
}
/* Init port list */
for (i = 0; i < CCCI_PORT_NUM; i++) {
atomic_set(&g_except_inst.port[i].pkt_cnt, 0);
skb_queue_head_init(&g_except_inst.port[i].skb_list);
}
/* initialize drop count */
eemcs_expt_reset_statistics();
/* initialize exception*/
eemcs_exception_state = EEMCS_EX_NONE;
/* initialize exception timer*/
init_timer(&g_except_inst.md_ex_monitor);
g_except_inst.md_ex_monitor.function = ex_monitor_func;
g_except_inst.md_ex_monitor.data = (unsigned long)&g_except_inst;
#ifdef ENABLE_MD_WDT_PROCESS
eemcs_ccci_register_WDT_callback(eemcs_wdt_reset_callback);
#endif
DEBUG_LOG_FUNCTION_LEAVE;
return KAL_SUCCESS;
}
KAL_INT32 eemcs_ccci_UL_write_skb_to_swq(CCCI_CHANNEL_T chn, struct sk_buff *skb)
{
//KAL_DBGPRINT(KAL, DBG_INFO,("====> %s, chn: %d\n", KAL_FUNC_NAME, chn)) ;
//return mtlte_df_UL_write_skb_to_swq(df_ul_ccci_ch_to_q[chn], skb) ;
CCCI_BUFF_T *pccci_h = NULL;
KAL_UINT32 tx_queue_idx;
KAL_INT32 ret = KAL_SUCCESS;
#ifdef __EEMCS_EXPT_SUPPORT__
ccci_expt_port_cfg *expt_port_info;
EEMCS_EXCEPTION_STATE mode = EEMCS_EX_INVALID;
#endif
KAL_UINT32 channel = 0;
bool force_md_assert_flag = false;
#if defined (DBG_FEATURE_ADD_CCCI_SEQNO)
KAL_UINT64 flag;
#endif
DEBUG_LOG_FUNCTION_ENTRY;
if(NULL != skb){
pccci_h = (CCCI_BUFF_T *)skb->data;
DBGLOG(CCCI, DBG, "[TX]CCCI_H: 0x%x, 0x%x, 0x%x, 0x%x",\
pccci_h->data[0], pccci_h->data[1], pccci_h->channel, pccci_h->reserved);
#if defined (DBG_FEATURE_ADD_CCCI_SEQNO)
channel = (pccci_h->channel)|(pccci_h->seq_num <<16)|(pccci_h->assert_bit <<31);
#else
channel = pccci_h->channel;
#endif
if (channel == CCCI_FORCE_RESET_MODEM_CHANNEL)
force_md_assert_flag = true;
//1. seperate data and ack packet for ccmni0&1 UL
#if defined (TDD_DL_DROP_SOLUTION2)
if ((chn != CH_NET1_TX) && (chn != CH_NET2_TX) && !force_md_assert_flag) {
KAL_ASSERT(pccci_h->channel == chn);
}
#else
KAL_ASSERT(pccci_h->channel == chn);
#endif
//2. ccci channel check
KAL_ASSERT(pccci_h->channel < CH_NUM_MAX || force_md_assert_flag);
//3. fs packet check: the value of reserve is less than fs_buf_max_num=5
if ((pccci_h->channel == CH_FS_TX) && (pccci_h->reserved > 0x4)) {
int *pdata = skb->data;
DBGLOG(CCCI, ERR, "[TX]FS: 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x",\
*pdata, *(pdata+1), *(pdata+2), *(pdata+3), *(pdata+4), *(pdata+5), *(pdata+6), *(pdata+7));
}
} else {
DBGLOG(CCCI, WAR, "CH%d write NULL skb to kick DF process!", chn);
}
if(force_md_assert_flag){
tx_queue_idx = 0;
hif_ul_write_swq(tx_queue_idx, skb);
}else{
#ifdef __EEMCS_EXPT_SUPPORT__
if(is_exception_mode(&mode))
{
if(is_valid_exception_tx_channel(chn))
{
/* add sequence number in ccci header */
#if defined (DBG_FEATURE_ADD_CCCI_SEQNO)
if (likely(pccci_h)) {
spin_lock_irqsave(&ccci_seqno_tbl[pccci_h->channel].tx_seqno_lock, flag);
pccci_h->seq_num = ccci_seqno_tbl[pccci_h->channel].seqno[TX]++;
pccci_h->assert_bit = 1; //why assert_bit=1 instead of assert_bit=0????
spin_unlock_irqrestore(&ccci_seqno_tbl[pccci_h->channel].tx_seqno_lock, flag);
DBGLOG(CCCI, DBG, "[TX] CH%d:ch=%d seq_num=(0x%02X->0x%02X) assert_bit=%d channel=0x%08X", chn, \
pccci_h->channel, pccci_h->seq_num, ccci_seqno_tbl[pccci_h->channel].seqno[TX], \
pccci_h->assert_bit, channel);
}
#endif
expt_port_info = get_expt_port_info(ccci_ch_to_port(chn));
/* set exception TX Q*/
tx_queue_idx = expt_port_info->expt_txq_id;
hif_ul_write_swq(tx_queue_idx, skb);
atomic_dec(&ccci_port_info[ccci_ch_to_port(chn)].reserve_space);
atomic_dec(&ccci_tx_waitq[tx_queue_idx].reserve_space);
eemcs_update_statistics(0, ccci_ch_to_port(chn), TX, NORMAL);
} else {
DBGLOG(CCCI, WAR, "[EXPT] Invalid exception channel(%d)!", chn);
/*
* if KAL_FAIL is returned, skb is freed at device layer
* we don't have to free it here
*/
//eemcs_ex_ccci_tx_drop(ccci_ch_to_port(chn));
ret = KAL_FAIL;
}
}
else
#endif
{
/* add sequence number in ccci header */
#if defined (DBG_FEATURE_ADD_CCCI_SEQNO)
if (likely(pccci_h)) {
spin_lock_irqsave(&ccci_seqno_tbl[pccci_h->channel].tx_seqno_lock, flag);
pccci_h->seq_num = ccci_seqno_tbl[pccci_h->channel].seqno[TX]++;
pccci_h->assert_bit = 1; //why assert_bit=1 instead of assert_bit=0????
spin_unlock_irqrestore(&ccci_seqno_tbl[pccci_h->channel].tx_seqno_lock, flag);
DBGLOG(CCCI, DBG, "[TX] CH%d:ch=%d seq_num=(0x%02X->0x%02X) assert_bit=%d channel=0x%08X", chn, \
pccci_h->channel, pccci_h->seq_num, ccci_seqno_tbl[pccci_h->channel].seqno[TX], \
pccci_h->assert_bit, channel);
}
#endif
tx_queue_idx = ccci_port_info[ccci_ch_to_port(chn)].txq_id;
hif_ul_write_swq(tx_queue_idx, skb);
atomic_dec(&ccci_port_info[ccci_ch_to_port(chn)].reserve_space);
atomic_dec(&ccci_tx_waitq[tx_queue_idx].reserve_space);
eemcs_update_statistics(0, ccci_ch_to_port(chn), TX, NORMAL);
}
}
DEBUG_LOG_FUNCTION_LEAVE;
return ret;
}
ccci_expt_port_cfg* ccci_get_expt_port_info(KAL_UINT32 ccci_port_index){
DEBUG_LOG_FUNCTION_ENTRY;
KAL_ASSERT(ccci_port_index < CCCI_PORT_NUM_MAX);
DEBUG_LOG_FUNCTION_LEAVE;
return &ccci_expt_port_info[ccci_port_index];
}
int ccci_df_to_ccci_callback(unsigned int rxq_no)
{
int ret, hc_ret, is_xcmd;
struct sk_buff * skb = NULL;
CCCI_BUFF_T *ccci_h = NULL;
XBOOT_CMD *p_xcmd = NULL;
KAL_UINT32 port_id = 0;
#ifdef __EEMCS_EXPT_SUPPORT__
EEMCS_EXCEPTION_STATE mode = EEMCS_EX_INVALID;
#endif
DEBUG_LOG_FUNCTION_ENTRY;
/* Step 1. read skb from swq */
skb = hif_dl_read_swq(rxq_no);
if(skb == NULL) {
DBGLOG(CCCI, DBG, "ccci_df_to_ccci_callback read NULL skb on %d", rxq_no);
if(is_exception_mode(&mode))
return KAL_FAIL;
else
KAL_ASSERT(NULL != skb);
}
/* Step 2. call handle complete */
hc_ret = hif_dl_pkt_handle_complete(rxq_no);
KAL_ASSERT(0 == hc_ret);
DBGLOG(CCCI, DBG, "ccci_df_to_ccci_callback() rxq_no = %d", rxq_no);
/* Step 3. buffer type */
if (rxq_no == RXQ_Q0) {
is_xcmd = is_xboot_command(skb);
} else {
is_xcmd = false;
}
wake_lock_timeout(&eemcs_wake_lock, HZ); // Using 1s wake lock
if (is_xcmd == true) {
/* Step 4. callback to xBoot */
p_xcmd = (XBOOT_CMD *)skb->data;
KAL_ASSERT(p_xcmd->magic == (KAL_UINT32)MAGIC_MD_CMD);
if (NULL != ccci_port_info[CCCI_PORT_CTRL].ch.rx_cb){
DBGLOG(CCCI, DBG, "[CCCI][DF CALLBACK] XBOOT_CMD (0x%X)(0x%X)(0x%X)(0x%X)",\
p_xcmd->magic, p_xcmd->msg_id, p_xcmd->status, p_xcmd->reserved[0]);
#ifdef __EEMCS_EXPT_SUPPORT__
if(is_exception_mode(&mode))
{
if(!is_valid_exception_port(CCCI_PORT_CTRL, true))
{
ret = KAL_FAIL;
dev_kfree_skb(skb);
eemcs_expt_ccci_rx_drop(port_id);
DBGLOG(CCCI, ERR, "[CCCI] [DF CALLBACK] EXCEPTION MODE PKT DROPPED !! Q(%d) PORT(%d)", rxq_no, CCCI_PORT_CTRL);
goto _end;
}
else
{
ret = ccci_port_info[CCCI_PORT_CTRL].ch.rx_cb(skb, 0);
}
}
else
#endif
{
ret = ccci_port_info[CCCI_PORT_CTRL].ch.rx_cb(skb, 0);
}
} else {
ret = KAL_FAIL;
dev_kfree_skb(skb);
DBGLOG(CCCI, ERR, "[CCCI] !!! PKT DROP !!! ccci_df_to_ccci_callback xBoot not registered");
}
} else {
/* Step 4. callback to CCCI device */
ccci_h = (CCCI_BUFF_T *)skb->data;
KAL_ASSERT(ccci_h->channel < CH_NUM_MAX);
port_id = ccci_ch_to_port(ccci_h->channel);
if(NULL != ccci_port_info[port_id].ch.rx_cb){
DBGLOG(CCCI,DBG,"ccci_df_to_ccci_callback Rx packet CCCI_H(0x%x)(0x%x)(0x%x)(0x%x)",\
ccci_h->data[0],ccci_h->data[1],ccci_h->channel, ccci_h->reserved );
#ifdef __EEMCS_EXPT_SUPPORT__
if(is_exception_mode(&mode))
{
if(!is_valid_exception_port(port_id, true))
{
ret = KAL_FAIL;
dev_kfree_skb(skb);
eemcs_expt_ccci_rx_drop(port_id);
DBGLOG(CCCI, ERR, "[CCCI] [DF CALLBACK] EXCEPTION MODE PKT DROPPED !! Q(%d) PORT(%d)", rxq_no, port_id);
goto _end;
}
else
{
ret = ccci_port_info[port_id].ch.rx_cb(skb, 0);
}
}
else
#endif
{
ret = ccci_port_info[port_id].ch.rx_cb(skb, 0);
}
}else{
ret = KAL_FAIL;
dev_kfree_skb(skb);
DBGLOG(CCCI,ERR, "[CCCI] !!! PKT DROP !!! ccci_df_to_ccci_callback ccci_port(%d) channel Rx(%d) not registered", port_id, ccci_h->channel);
eemcs_update_statistics(0, port_id, RX, DROP);
}
eemcs_update_statistics(0, port_id, RX, NORMAL);
}
_end:
DEBUG_LOG_FUNCTION_LEAVE;
return ret;
}