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ath6kl: add firmware capabilities support

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The new firmware format includes capability bits which make it
possible to check what features the firmware supports. Add infrastructure
to read the capabilities. For now it only provides
ATH6KL_FW_CAPABILITY_HOST_P2P which is not even used anywhere yet, but that
will be added later.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Kalle Valo 2011-09-12 13:47:34 +03:00
parent 8a13748034
commit 97e0496d05
2 changed files with 22 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/net/wireless/ath/ath6kl/core.h
View File

@ -68,8 +68,18 @@ enum ath6kl_fw_ie_type {
ATH6KL_FW_IE_FW_IMAGE = 3,
ATH6KL_FW_IE_PATCH_IMAGE = 4,
ATH6KL_FW_IE_RESERVED_RAM_SIZE = 5,
ATH6KL_FW_IE_CAPABILITIES = 6,
};
enum ath6kl_fw_capability {
ATH6KL_FW_CAPABILITY_HOST_P2P = 0,
/* this needs to be last */
ATH6KL_FW_CAPABILITY_MAX,
};
#define ATH6KL_CAPABILITY_LEN (ALIGN(ATH6KL_FW_CAPABILITY_MAX, 32) / 32)
struct ath6kl_fw_ie {
__le32 id;
__le32 len;
@ -491,6 +501,8 @@ struct ath6kl {
u8 *fw_patch;
size_t fw_patch_len;
unsigned long fw_capabilities[ATH6KL_CAPABILITY_LEN];
struct workqueue_struct *ath6kl_wq;
struct ath6kl_node_table scan_table;

11
drivers/net/wireless/ath/ath6kl/init.c
View File

@ -901,7 +901,7 @@ static int ath6kl_fetch_fw_api2(struct ath6kl *ar)
struct ath6kl_fw_ie *hdr;
const char *filename;
const u8 *data;
int ret, ie_id;
int ret, ie_id, i, index, bit;
__le32 *val;
switch (ar->version.target_ver) {
@ -992,6 +992,15 @@ static int ath6kl_fetch_fw_api2(struct ath6kl *ar)
val = (__le32 *) data;
ar->hw.reserved_ram_size = le32_to_cpup(val);
break;
case ATH6KL_FW_IE_CAPABILITIES:
for (i = 0; i < ATH6KL_FW_CAPABILITY_MAX; i++) {
index = ALIGN(i, 8) / 8;
bit = i % 8;
if (data[index] & (1 << bit))
__set_bit(i, ar->fw_capabilities);
}
break;
default:
ath6kl_dbg(ATH6KL_DBG_TRC, "Unknown fw ie: %u\n",
le32_to_cpup(&hdr->id));