diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/sec.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/sec.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/sec.c b/drivers/net/wireless/realtek/rtw88/sec.c index c594fc02804d..d0d7fbb10d58 100644 --- a/drivers/net/wireless/realtek/rtw88/sec.c +++ b/drivers/net/wireless/realtek/rtw88/sec.c @@ -96,6 +96,27 @@ void rtw_sec_clear_cam(struct rtw_dev *rtwdev, rtw_write32(rtwdev, RTW_SEC_CMD_REG, command); } +u8 rtw_sec_cam_pg_backup(struct rtw_dev *rtwdev, u8 *used_cam) +{ + struct rtw_sec_desc *sec = &rtwdev->sec; + u8 offset = 0; + u8 count, n; + + if (!used_cam) + return 0; + + for (count = 0; count < MAX_PG_CAM_BACKUP_NUM; count++) { + n = find_next_bit(sec->cam_map, RTW_MAX_SEC_CAM_NUM, offset); + if (n == RTW_MAX_SEC_CAM_NUM) + break; + + used_cam[count] = n; + offset = n + 1; + } + + return count; +} + void rtw_sec_enable_sec_engine(struct rtw_dev *rtwdev) { struct rtw_sec_desc *sec = &rtwdev->sec; |