Moved '/driver/staging/wilc1000/coreconfigurator.c' to
'drivers/net/wireless/microchip/wilc/'.
Signed-off-by: Ajay Singh <ajay.kathat@xxxxxxxxxxxxx>
---
.../net/wireless/microchip/wilc/coreconfigurator.c | 287 +++++++++++++++++++++
1 file changed, 287 insertions(+)
create mode 100644 drivers/net/wireless/microchip/wilc/coreconfigurator.c
diff --git a/drivers/net/wireless/microchip/wilc/coreconfigurator.c b/drivers/net/wireless/microchip/wilc/coreconfigurator.c
new file mode 100644
index 0000000..d6d3a97
--- /dev/null
+++ b/drivers/net/wireless/microchip/wilc/coreconfigurator.c
@@ -0,0 +1,287 @@
+// 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;
+}
--
2.7.4
