diff options
| author | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2008-04-24 11:55:34 -0700 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-05-07 15:02:25 -0400 |
| commit | 7839fc03862704677902be2d63c0482fee3deae3 (patch) | |
| tree | 6e64b07246d09565f4a79aa8bddd9d747bdd9e69 /drivers | |
| parent | d4100dd985dcc13cc7bd1712ce10dea51b7c8261 (diff) | |
iwlwifi-5000: update the byte count in SCD
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-5000-hw.h | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-5000.c | 49 |
2 files changed, 53 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000-hw.h b/drivers/net/wireless/iwlwifi/iwl-5000-hw.h index 31592fb8ddf..9e557ce315b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000-hw.h +++ b/drivers/net/wireless/iwlwifi/iwl-5000-hw.h @@ -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 diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index 8e2a6a5749a..1e63b497471 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -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, |