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iwlwifi-5000: update the byte count in SCD

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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
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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,