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iwlwifi: make the BC table layout configurable

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This is needed for newer NICs.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Emmanuel Grumbach 2012-12-05 15:07:54 +02:00 committed by Johannes Berg
parent a49f0d1ea3
commit 046db34638
4 changed files with 10 additions and 1 deletions
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3
drivers/net/wireless/iwlwifi/iwl-trans.h
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@ -321,6 +321,8 @@ static inline struct page *rxb_steal_page(struct iwl_rx_cmd_buffer *r)
* @n_no_reclaim_cmds: # of commands in list
* @rx_buf_size_8k: 8 kB RX buffer size needed for A-MSDUs,
* if unset 4k will be the RX buffer size
* @bc_table_dword: set to true if the BC table expects the byte count to be
* in DWORD (as opposed to bytes)
* @queue_watchdog_timeout: time (in ms) after which queues
* are considered stuck and will trigger device restart
* @command_names: array of command names, must be 256 entries
@ -335,6 +337,7 @@ struct iwl_trans_config {
int n_no_reclaim_cmds;
bool rx_buf_size_8k;
bool bc_table_dword;
unsigned int queue_watchdog_timeout;
const char **command_names;
};

2
drivers/net/wireless/iwlwifi/pcie/internal.h
View File

@ -234,6 +234,7 @@ struct iwl_txq {
* @status - transport specific status flags
* @cmd_queue - command queue number
* @rx_buf_size_8k: 8 kB RX buffer size
* @bc_table_dword: true if the BC table expects DWORD (as opposed to bytes)
* @rx_page_order: page order for receive buffer size
* @wd_timeout: queue watchdog timeout (jiffies)
*/
@ -279,6 +280,7 @@ struct iwl_trans_pcie {
u8 no_reclaim_cmds[MAX_NO_RECLAIM_CMDS];
bool rx_buf_size_8k;
bool bc_table_dword;
u32 rx_page_order;
const char **command_names;

1
drivers/net/wireless/iwlwifi/pcie/trans.c
View File

@ -703,6 +703,7 @@ static void iwl_trans_pcie_configure(struct iwl_trans *trans,
msecs_to_jiffies(trans_cfg->queue_watchdog_timeout);
trans_pcie->command_names = trans_cfg->command_names;
trans_pcie->bc_table_dword = trans_cfg->bc_table_dword;
}
void iwl_trans_pcie_free(struct iwl_trans *trans)

5
drivers/net/wireless/iwlwifi/pcie/tx.c
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@ -237,7 +237,10 @@ static void iwl_pcie_txq_update_byte_cnt_tbl(struct iwl_trans *trans,
break;
}
bc_ent = cpu_to_le16((len & 0xFFF) | (sta_id << 12));
if (trans_pcie->bc_table_dword)
len = DIV_ROUND_UP(len, 4);
bc_ent = cpu_to_le16(len | (sta_id << 12));
scd_bc_tbl[txq_id].tfd_offset[write_ptr] = bc_ent;