new file mode 100644
@@ -0,0 +1,495 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiaries.
+ * All rights reserved.
+ */
+
+#include "wilc_wlan_if.h"
+#include "wilc_wlan.h"
+#include "wilc_wlan_cfg.h"
+#include "wilc_wfi_netdevice.h"
+
+enum cfg_cmd_type {
+ CFG_BYTE_CMD = 0,
+ CFG_HWORD_CMD = 1,
+ CFG_WORD_CMD = 2,
+ CFG_STR_CMD = 3,
+ CFG_BIN_CMD = 4
+};
+
+static const struct wilc_cfg_byte g_cfg_byte[] = {
+ {WID_STATUS, 0},
+ {WID_RSSI, 0},
+ {WID_LINKSPEED, 0},
+ {WID_NIL, 0}
+};
+
+static const struct wilc_cfg_hword g_cfg_hword[] = {
+ {WID_NIL, 0}
+};
+
+static const struct wilc_cfg_word g_cfg_word[] = {
+ {WID_FAILED_COUNT, 0},
+ {WID_RECEIVED_FRAGMENT_COUNT, 0},
+ {WID_SUCCESS_FRAME_COUNT, 0},
+ {WID_GET_INACTIVE_TIME, 0},
+ {WID_NIL, 0}
+
+};
+
+static const struct wilc_cfg_str g_cfg_str[] = {
+ {WID_FIRMWARE_VERSION, NULL},
+ {WID_MAC_ADDR, NULL},
+ {WID_ASSOC_RES_INFO, NULL},
+ {WID_NIL, NULL}
+};
+
+/********************************************
+ *
+ * Configuration Functions
+ *
+ ********************************************/
+
+static int wilc_wlan_cfg_set_byte(u8 *frame, u32 offset, u16 id, u8 val8)
+{
+ u8 *buf;
+
+ if ((offset + 4) >= WILC_MAX_CFG_FRAME_SIZE)
+ return 0;
+
+ buf = &frame[offset];
+
+ buf[0] = (u8)id;
+ buf[1] = (u8)(id >> 8);
+ buf[2] = 1;
+ buf[3] = 0;
+ buf[4] = val8;
+ return 5;
+}
+
+static int wilc_wlan_cfg_set_hword(u8 *frame, u32 offset, u16 id, u16 val16)
+{
+ u8 *buf;
+
+ if ((offset + 5) >= WILC_MAX_CFG_FRAME_SIZE)
+ return 0;
+
+ buf = &frame[offset];
+
+ buf[0] = (u8)id;
+ buf[1] = (u8)(id >> 8);
+ buf[2] = 2;
+ buf[3] = 0;
+ buf[4] = (u8)val16;
+ buf[5] = (u8)(val16 >> 8);
+
+ return 6;
+}
+
+static int wilc_wlan_cfg_set_word(u8 *frame, u32 offset, u16 id, u32 val32)
+{
+ u8 *buf;
+
+ if ((offset + 7) >= WILC_MAX_CFG_FRAME_SIZE)
+ return 0;
+
+ buf = &frame[offset];
+
+ buf[0] = (u8)id;
+ buf[1] = (u8)(id >> 8);
+ buf[2] = 4;
+ buf[3] = 0;
+ buf[4] = (u8)val32;
+ buf[5] = (u8)(val32 >> 8);
+ buf[6] = (u8)(val32 >> 16);
+ buf[7] = (u8)(val32 >> 24);
+
+ return 8;
+}
+
+static int wilc_wlan_cfg_set_str(u8 *frame, u32 offset, u16 id, u8 *str,
+ u32 size)
+{
+ u8 *buf;
+
+ if ((offset + size + 4) >= WILC_MAX_CFG_FRAME_SIZE)
+ return 0;
+
+ buf = &frame[offset];
+
+ buf[0] = (u8)id;
+ buf[1] = (u8)(id >> 8);
+ buf[2] = (u8)size;
+ buf[3] = (u8)(size >> 8);
+
+ if (str && size != 0)
+ memcpy(&buf[4], str, size);
+
+ return (size + 4);
+}
+
+static int wilc_wlan_cfg_set_bin(u8 *frame, u32 offset, u16 id, u8 *b, u32 size)
+{
+ u8 *buf;
+ u32 i;
+ u8 checksum = 0;
+
+ if ((offset + size + 5) >= WILC_MAX_CFG_FRAME_SIZE)
+ return 0;
+
+ buf = &frame[offset];
+ buf[0] = (u8)id;
+ buf[1] = (u8)(id >> 8);
+ buf[2] = (u8)size;
+ buf[3] = (u8)(size >> 8);
+
+ if ((b) && size != 0) {
+ memcpy(&buf[4], b, size);
+ for (i = 0; i < size; i++)
+ checksum += buf[i + 4];
+ }
+
+ buf[size + 4] = checksum;
+
+ return (size + 5);
+}
+
+/********************************************
+ *
+ * Configuration Response Functions
+ *
+ ********************************************/
+
+#define GET_WID_TYPE(wid) (((wid) >> 12) & 0x7)
+static void wilc_wlan_parse_response_frame(struct wilc *wl, u8 *info, int size)
+{
+ u16 wid;
+ u32 len = 0, i = 0;
+
+ while (size > 0) {
+ i = 0;
+ wid = get_unaligned_le16(info);
+
+ switch (GET_WID_TYPE(wid)) {
+ case WID_CHAR:
+ do {
+ if (wl->cfg.b[i].id == WID_NIL)
+ break;
+
+ if (wl->cfg.b[i].id == wid) {
+ wl->cfg.b[i].val = info[4];
+ break;
+ }
+ i++;
+ } while (1);
+ len = 3;
+ break;
+
+ case WID_SHORT:
+ do {
+ struct wilc_cfg_hword *hw = &wl->cfg.hw[i];
+
+ if (hw->id == WID_NIL)
+ break;
+
+ if (hw->id == wid) {
+ hw->val = get_unaligned_le16(&info[4]);
+ break;
+ }
+ i++;
+ } while (1);
+ len = 4;
+ break;
+
+ case WID_INT:
+ do {
+ struct wilc_cfg_word *w = &wl->cfg.w[i];
+
+ if (w->id == WID_NIL)
+ break;
+
+ if (w->id == wid) {
+ w->val = get_unaligned_le32(&info[4]);
+ break;
+ }
+ i++;
+ } while (1);
+ len = 6;
+ break;
+
+ case WID_STR:
+ do {
+ if (wl->cfg.s[i].id == WID_NIL)
+ break;
+
+ if (wl->cfg.s[i].id == wid) {
+ memcpy(wl->cfg.s[i].str, &info[2],
+ (info[2] + 2));
+ break;
+ }
+ i++;
+ } while (1);
+ len = 2 + info[2];
+ break;
+
+ default:
+ break;
+ }
+ size -= (2 + len);
+ info += (2 + len);
+ }
+}
+
+static void wilc_wlan_parse_info_frame(struct wilc *wl, u8 *info)
+{
+ u32 wid, len;
+
+ wid = get_unaligned_le16(info);
+
+ len = info[2];
+
+ if (len == 1 && wid == WID_STATUS) {
+ int i = 0;
+
+ do {
+ if (wl->cfg.b[i].id == WID_NIL)
+ break;
+
+ if (wl->cfg.b[i].id == wid) {
+ wl->cfg.b[i].val = info[3];
+ break;
+ }
+ i++;
+ } while (1);
+ }
+}
+
+/********************************************
+ *
+ * Configuration Exported Functions
+ *
+ ********************************************/
+
+int wilc_wlan_cfg_set_wid(u8 *frame, u32 offset, u16 id, u8 *buf, int size)
+{
+ u8 type = (id >> 12) & 0xf;
+ int ret = 0;
+
+ switch (type) {
+ case CFG_BYTE_CMD:
+ if (size >= 1)
+ ret = wilc_wlan_cfg_set_byte(frame, offset, id, *buf);
+ break;
+
+ case CFG_HWORD_CMD:
+ if (size >= 2)
+ ret = wilc_wlan_cfg_set_hword(frame, offset, id,
+ *((u16 *)buf));
+ break;
+
+ case CFG_WORD_CMD:
+ if (size >= 4)
+ ret = wilc_wlan_cfg_set_word(frame, offset, id,
+ *((u32 *)buf));
+ break;
+
+ case CFG_STR_CMD:
+ ret = wilc_wlan_cfg_set_str(frame, offset, id, buf, size);
+ break;
+
+ case CFG_BIN_CMD:
+ ret = wilc_wlan_cfg_set_bin(frame, offset, id, buf, size);
+ break;
+ }
+
+ return ret;
+}
+
+int wilc_wlan_cfg_get_wid(u8 *frame, u32 offset, u16 id)
+{
+ u8 *buf;
+
+ if ((offset + 2) >= WILC_MAX_CFG_FRAME_SIZE)
+ return 0;
+
+ buf = &frame[offset];
+
+ buf[0] = (u8)id;
+ buf[1] = (u8)(id >> 8);
+
+ return 2;
+}
+
+int wilc_wlan_cfg_get_wid_value(struct wilc *wl, u16 wid, u8 *buffer,
+ u32 buffer_size)
+{
+ u32 type = (wid >> 12) & 0xf;
+ int i, ret = 0;
+
+ i = 0;
+ if (type == CFG_BYTE_CMD) {
+ do {
+ if (wl->cfg.b[i].id == WID_NIL)
+ break;
+
+ if (wl->cfg.b[i].id == wid) {
+ memcpy(buffer, &wl->cfg.b[i].val, 1);
+ ret = 1;
+ break;
+ }
+ i++;
+ } while (1);
+ } else if (type == CFG_HWORD_CMD) {
+ do {
+ if (wl->cfg.hw[i].id == WID_NIL)
+ break;
+
+ if (wl->cfg.hw[i].id == wid) {
+ memcpy(buffer, &wl->cfg.hw[i].val, 2);
+ ret = 2;
+ break;
+ }
+ i++;
+ } while (1);
+ } else if (type == CFG_WORD_CMD) {
+ do {
+ if (wl->cfg.w[i].id == WID_NIL)
+ break;
+
+ if (wl->cfg.w[i].id == wid) {
+ memcpy(buffer, &wl->cfg.w[i].val, 4);
+ ret = 4;
+ break;
+ }
+ i++;
+ } while (1);
+ } else if (type == CFG_STR_CMD) {
+ do {
+ u32 id = wl->cfg.s[i].id;
+
+ if (id == WID_NIL)
+ break;
+
+ if (id == wid) {
+ u16 size = get_unaligned_le16(wl->cfg.s[i].str);
+
+ if (buffer_size >= size) {
+ memcpy(buffer, &wl->cfg.s[i].str[2],
+ size);
+ ret = size;
+ }
+ break;
+ }
+ i++;
+ } while (1);
+ }
+ return ret;
+}
+
+void wilc_wlan_cfg_indicate_rx(struct wilc *wilc, u8 *frame, int size,
+ struct wilc_cfg_rsp *rsp)
+{
+ u8 msg_type;
+ u8 msg_id;
+
+ msg_type = frame[0];
+ msg_id = frame[1]; /* seq no */
+ frame += 4;
+ size -= 4;
+ rsp->type = 0;
+
+ /*
+ * The valid types of response messages are
+ * 'R' (Response),
+ * 'I' (Information), and
+ * 'N' (Network Information)
+ */
+
+ switch (msg_type) {
+ case 'R':
+ wilc_wlan_parse_response_frame(wilc, frame, size);
+ rsp->type = WILC_CFG_RSP;
+ rsp->seq_no = msg_id;
+ break;
+
+ case 'I':
+ wilc_wlan_parse_info_frame(wilc, frame);
+ rsp->type = WILC_CFG_RSP_STATUS;
+ rsp->seq_no = msg_id;
+ /*call host interface info parse as well*/
+ wilc_gnrl_async_info_received(wilc, frame - 4, size + 4);
+ break;
+
+ case 'N':
+ wilc_network_info_received(wilc, frame - 4, size + 4);
+ break;
+
+ case 'S':
+ wilc_scan_complete_received(wilc, frame - 4, size + 4);
+ break;
+
+ default:
+ rsp->seq_no = msg_id;
+ break;
+ }
+}
+
+int wilc_wlan_cfg_init(struct wilc *wl)
+{
+ struct wilc_cfg_str_vals *str_vals;
+ int i = 0;
+
+ wl->cfg.b = kmemdup(g_cfg_byte, sizeof(g_cfg_byte), GFP_KERNEL);
+ if (!wl->cfg.b)
+ return -ENOMEM;
+
+ wl->cfg.hw = kmemdup(g_cfg_hword, sizeof(g_cfg_hword), GFP_KERNEL);
+ if (!wl->cfg.hw)
+ goto out_b;
+
+ wl->cfg.w = kmemdup(g_cfg_word, sizeof(g_cfg_word), GFP_KERNEL);
+ if (!wl->cfg.w)
+ goto out_hw;
+
+ wl->cfg.s = kmemdup(g_cfg_str, sizeof(g_cfg_str), GFP_KERNEL);
+ if (!wl->cfg.s)
+ goto out_w;
+
+ str_vals = kzalloc(sizeof(*str_vals), GFP_KERNEL);
+ if (!str_vals)
+ goto out_s;
+
+ wl->cfg.str_vals = str_vals;
+ /* store the string cfg parameters */
+ wl->cfg.s[i].id = WID_FIRMWARE_VERSION;
+ wl->cfg.s[i].str = str_vals->firmware_version;
+ i++;
+ wl->cfg.s[i].id = WID_MAC_ADDR;
+ wl->cfg.s[i].str = str_vals->mac_address;
+ i++;
+ wl->cfg.s[i].id = WID_ASSOC_RES_INFO;
+ wl->cfg.s[i].str = str_vals->assoc_rsp;
+ i++;
+ wl->cfg.s[i].id = WID_NIL;
+ wl->cfg.s[i].str = NULL;
+ return 0;
+
+out_s:
+ kfree(wl->cfg.s);
+out_w:
+ kfree(wl->cfg.w);
+out_hw:
+ kfree(wl->cfg.hw);
+out_b:
+ kfree(wl->cfg.b);
+ return -ENOMEM;
+}
+
+void wilc_wlan_cfg_deinit(struct wilc *wl)
+{
+ kfree(wl->cfg.b);
+ kfree(wl->cfg.hw);
+ kfree(wl->cfg.w);
+ kfree(wl->cfg.s);
+ kfree(wl->cfg.str_vals);
+}