Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

iwlwifi-5000: update the byte count in SCD

Browse source 
This patch udpates the byte count of the frame in the registers of the
scheduler.
This patch also moves two defines in iwl-4965.h to a more appropriate
area in the file.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Emmanuel Grumbach 2008-04-24 11:55:34 -07:00 committed by John W. Linville
parent d4100dd985
commit 7839fc0386
2 changed files with 53 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
drivers/net/wireless/iwlwifi/iwl-5000-hw.h
View file

@ -83,6 +83,10 @@
#define IWL50_NUM_QUEUES 20
#define IWL50_BACK_QUEUE_FIRST_ID 10
#define IWL_sta_id_POS 12
#define IWL_sta_id_LEN 4
#define IWL_sta_id_SYM val
/* Fixed (non-configurable) rx data from phy */
/* Base physical address of iwl5000_shared is provided to SCD_DRAM_BASE_ADDR

49
drivers/net/wireless/iwlwifi/iwl-5000.c
View file

@ -314,6 +314,54 @@ static void iwl5000_free_shared_mem(struct iwl_priv *priv)
priv->shared_phys);
}
/**
* iwl5000_txq_update_byte_cnt_tbl - Set up entry in Tx byte-count array
*/
static void iwl5000_txq_update_byte_cnt_tbl(struct iwl_priv *priv,
struct iwl4965_tx_queue *txq,
u16 byte_cnt)
{
struct iwl5000_shared *shared_data = priv->shared_virt;
int txq_id = txq->q.id;
u8 sec_ctl = 0;
u8 sta = 0;
int len;
len = byte_cnt + IWL_TX_CRC_SIZE + IWL_TX_DELIMITER_SIZE;
if (txq_id != IWL_CMD_QUEUE_NUM) {
sta = txq->cmd[txq->q.write_ptr].cmd.tx.sta_id;
sec_ctl = txq->cmd[txq->q.write_ptr].cmd.tx.sec_ctl;
switch (sec_ctl & TX_CMD_SEC_MSK) {
case TX_CMD_SEC_CCM:
len += CCMP_MIC_LEN;
break;
case TX_CMD_SEC_TKIP:
len += TKIP_ICV_LEN;
break;
case TX_CMD_SEC_WEP:
len += WEP_IV_LEN + WEP_ICV_LEN;
break;
}
}
IWL_SET_BITS16(shared_data->queues_byte_cnt_tbls[txq_id].
tfd_offset[txq->q.write_ptr], byte_cnt, len);
IWL_SET_BITS16(shared_data->queues_byte_cnt_tbls[txq_id].
tfd_offset[txq->q.write_ptr], sta_id, sta);
if (txq->q.write_ptr < IWL50_MAX_WIN_SIZE) {
IWL_SET_BITS16(shared_data->queues_byte_cnt_tbls[txq_id].
tfd_offset[IWL50_QUEUE_SIZE + txq->q.write_ptr],
byte_cnt, len);
IWL_SET_BITS16(shared_data->queues_byte_cnt_tbls[txq_id].
tfd_offset[IWL50_QUEUE_SIZE + txq->q.write_ptr],
sta_id, sta);
}
}
static struct iwl_hcmd_ops iwl5000_hcmd = {
};
@ -328,6 +376,7 @@ static struct iwl_lib_ops iwl5000_lib = {
.set_hw_params = iwl5000_hw_set_hw_params,
.alloc_shared_mem = iwl5000_alloc_shared_mem,
.free_shared_mem = iwl5000_free_shared_mem,
.txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
.apm_ops = {
.init = iwl5000_apm_init,
.set_pwr_src = iwl4965_set_pwr_src,