summaryrefslogtreecommitdiff
path: root/drivers/staging/wilc1000/coreconfigurator.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/staging/wilc1000/coreconfigurator.c')
-rw-r--r--drivers/staging/wilc1000/coreconfigurator.c287
1 files changed, 0 insertions, 287 deletions
diff --git a/drivers/staging/wilc1000/coreconfigurator.c b/drivers/staging/wilc1000/coreconfigurator.c
deleted file mode 100644
index d6d3a971be43..000000000000
--- a/drivers/staging/wilc1000/coreconfigurator.c
+++ /dev/null
@@ -1,287 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiaries.
- * All rights reserved.
- */
-
-#include <linux/ieee80211.h>
-
-#include "coreconfigurator.h"
-
-#define TAG_PARAM_OFFSET (MAC_HDR_LEN + TIME_STAMP_LEN + \
- BEACON_INTERVAL_LEN + CAP_INFO_LEN)
-
-enum sub_frame_type {
- ASSOC_REQ = 0x00,
- ASSOC_RSP = 0x10,
- REASSOC_REQ = 0x20,
- REASSOC_RSP = 0x30,
- PROBE_REQ = 0x40,
- PROBE_RSP = 0x50,
- BEACON = 0x80,
- ATIM = 0x90,
- DISASOC = 0xA0,
- AUTH = 0xB0,
- DEAUTH = 0xC0,
- ACTION = 0xD0,
- PS_POLL = 0xA4,
- RTS = 0xB4,
- CTS = 0xC4,
- ACK = 0xD4,
- CFEND = 0xE4,
- CFEND_ACK = 0xF4,
- DATA = 0x08,
- DATA_ACK = 0x18,
- DATA_POLL = 0x28,
- DATA_POLL_ACK = 0x38,
- NULL_FRAME = 0x48,
- CFACK = 0x58,
- CFPOLL = 0x68,
- CFPOLL_ACK = 0x78,
- QOS_DATA = 0x88,
- QOS_DATA_ACK = 0x98,
- QOS_DATA_POLL = 0xA8,
- QOS_DATA_POLL_ACK = 0xB8,
- QOS_NULL_FRAME = 0xC8,
- QOS_CFPOLL = 0xE8,
- QOS_CFPOLL_ACK = 0xF8,
- BLOCKACK_REQ = 0x84,
- BLOCKACK = 0x94,
- FRAME_SUBTYPE_FORCE_32BIT = 0xFFFFFFFF
-};
-
-static inline u16 get_beacon_period(u8 *data)
-{
- u16 bcn_per;
-
- bcn_per = data[0];
- bcn_per |= (data[1] << 8);
-
- return bcn_per;
-}
-
-static inline u32 get_beacon_timestamp_lo(u8 *data)
-{
- u32 time_stamp = 0;
- u32 index = MAC_HDR_LEN;
-
- time_stamp |= data[index++];
- time_stamp |= (data[index++] << 8);
- time_stamp |= (data[index++] << 16);
- time_stamp |= (data[index] << 24);
-
- return time_stamp;
-}
-
-static inline u32 get_beacon_timestamp_hi(u8 *data)
-{
- u32 time_stamp = 0;
- u32 index = (MAC_HDR_LEN + 4);
-
- time_stamp |= data[index++];
- time_stamp |= (data[index++] << 8);
- time_stamp |= (data[index++] << 16);
- time_stamp |= (data[index] << 24);
-
- return time_stamp;
-}
-
-static inline enum sub_frame_type get_sub_type(u8 *header)
-{
- return ((enum sub_frame_type)(header[0] & 0xFC));
-}
-
-static inline u8 get_to_ds(u8 *header)
-{
- return (header[1] & 0x01);
-}
-
-static inline u8 get_from_ds(u8 *header)
-{
- return ((header[1] & 0x02) >> 1);
-}
-
-static inline void get_address1(u8 *msa, u8 *addr)
-{
- memcpy(addr, msa + 4, 6);
-}
-
-static inline void get_address2(u8 *msa, u8 *addr)
-{
- memcpy(addr, msa + 10, 6);
-}
-
-static inline void get_address3(u8 *msa, u8 *addr)
-{
- memcpy(addr, msa + 16, 6);
-}
-
-static inline void get_bssid(u8 *data, u8 *bssid)
-{
- if (get_from_ds(data) == 1)
- get_address2(data, bssid);
- else if (get_to_ds(data) == 1)
- get_address1(data, bssid);
- else
- get_address3(data, bssid);
-}
-
-static inline void get_ssid(u8 *data, u8 *ssid, u8 *p_ssid_len)
-{
- u8 i, j, len;
-
- len = data[TAG_PARAM_OFFSET + 1];
- j = TAG_PARAM_OFFSET + 2;
-
- if (len >= MAX_SSID_LEN)
- len = 0;
-
- for (i = 0; i < len; i++, j++)
- ssid[i] = data[j];
-
- ssid[len] = '\0';
-
- *p_ssid_len = len;
-}
-
-static inline u16 get_cap_info(u8 *data)
-{
- u16 cap_info = 0;
- u16 index = MAC_HDR_LEN;
- enum sub_frame_type st;
-
- st = get_sub_type(data);
-
- if (st == BEACON || st == PROBE_RSP)
- index += TIME_STAMP_LEN + BEACON_INTERVAL_LEN;
-
- cap_info = data[index];
- cap_info |= (data[index + 1] << 8);
-
- return cap_info;
-}
-
-static inline u16 get_asoc_status(u8 *data)
-{
- u16 asoc_status;
-
- asoc_status = data[3];
- return (asoc_status << 8) | data[2];
-}
-
-static u8 *get_tim_elm(u8 *msa, u16 rx_len, u16 tag_param_offset)
-{
- u16 index;
-
- index = tag_param_offset;
-
- while (index < (rx_len - FCS_LEN)) {
- if (msa[index] == WLAN_EID_TIM)
- return &msa[index];
- index += (IE_HDR_LEN + msa[index + 1]);
- }
-
- return NULL;
-}
-
-static u8 get_current_channel_802_11n(u8 *msa, u16 rx_len)
-{
- u16 index;
-
- index = TAG_PARAM_OFFSET;
- while (index < (rx_len - FCS_LEN)) {
- if (msa[index] == WLAN_EID_DS_PARAMS)
- return msa[index + 2];
- index += msa[index + 1] + IE_HDR_LEN;
- }
-
- return 0;
-}
-
-s32 wilc_parse_network_info(u8 *msg_buffer,
- struct network_info **ret_network_info)
-{
- struct network_info *network_info;
- u8 *wid_val, *msa, *tim_elm, *ies;
- u32 tsf_lo, tsf_hi;
- u16 wid_len, rx_len, ies_len;
- u8 msg_type, index;
-
- msg_type = msg_buffer[0];
-
- if ('N' != msg_type)
- return -EFAULT;
-
- wid_len = MAKE_WORD16(msg_buffer[6], msg_buffer[7]);
- wid_val = &msg_buffer[8];
-
- network_info = kzalloc(sizeof(*network_info), GFP_KERNEL);
- if (!network_info)
- return -ENOMEM;
-
- network_info->rssi = wid_val[0];
-
- msa = &wid_val[1];
-
- rx_len = wid_len - 1;
- network_info->cap_info = get_cap_info(msa);
- network_info->tsf_lo = get_beacon_timestamp_lo(msa);
-
- tsf_lo = get_beacon_timestamp_lo(msa);
- tsf_hi = get_beacon_timestamp_hi(msa);
-
- network_info->tsf_hi = tsf_lo | ((u64)tsf_hi << 32);
-
- get_ssid(msa, network_info->ssid, &network_info->ssid_len);
- get_bssid(msa, network_info->bssid);
-
- network_info->ch = get_current_channel_802_11n(msa, rx_len
- + FCS_LEN);
-
- index = MAC_HDR_LEN + TIME_STAMP_LEN;
-
- network_info->beacon_period = get_beacon_period(msa + index);
-
- index += BEACON_INTERVAL_LEN + CAP_INFO_LEN;
-
- tim_elm = get_tim_elm(msa, rx_len + FCS_LEN, index);
- if (tim_elm)
- network_info->dtim_period = tim_elm[3];
- ies = &msa[TAG_PARAM_OFFSET];
- ies_len = rx_len - TAG_PARAM_OFFSET;
-
- if (ies_len > 0) {
- network_info->ies = kmemdup(ies, ies_len, GFP_KERNEL);
- if (!network_info->ies) {
- kfree(network_info);
- return -ENOMEM;
- }
- }
- network_info->ies_len = ies_len;
-
- *ret_network_info = network_info;
-
- return 0;
-}
-
-s32 wilc_parse_assoc_resp_info(u8 *buffer, u32 buffer_len,
- struct connect_info *ret_conn_info)
-{
- u8 *ies;
- u16 ies_len;
-
- ret_conn_info->status = get_asoc_status(buffer);
- if (ret_conn_info->status == WLAN_STATUS_SUCCESS) {
- ies = &buffer[CAP_INFO_LEN + STATUS_CODE_LEN + AID_LEN];
- ies_len = buffer_len - (CAP_INFO_LEN + STATUS_CODE_LEN +
- AID_LEN);
-
- ret_conn_info->resp_ies = kmemdup(ies, ies_len, GFP_KERNEL);
- if (!ret_conn_info->resp_ies)
- return -ENOMEM;
-
- ret_conn_info->resp_ies_len = ies_len;
- }
-
- return 0;
-}
generated by cgit v1.2.3 (git 2.39.0) at 2024-09-07 09:01:09 +0300