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![Roger H. Newell](/assets/img/avatar_default.png)
This patch corrects checks generated by checkpatch.pl by replacing comparison to null statements with equivalent statements in the form "x" or "!x" Signed-off-by: Roger H. Newell <newell.roger@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
553 lines
11 KiB
C
553 lines
11 KiB
C
/* ////////////////////////////////////////////////////////////////////////// */
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/* */
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/* Copyright (c) Atmel Corporation. All rights reserved. */
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/* */
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/* Module Name: wilc_wlan_cfg.c */
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/* */
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/* */
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/* ///////////////////////////////////////////////////////////////////////// */
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#include <linux/string.h>
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#include "wilc_wlan_if.h"
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#include "wilc_wlan.h"
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#include "wilc_wlan_cfg.h"
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#include "coreconfigurator.h"
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/********************************************
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*
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* Global Data
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*
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********************************************/
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enum cfg_cmd_type {
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CFG_BYTE_CMD = 0,
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CFG_HWORD_CMD = 1,
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CFG_WORD_CMD = 2,
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CFG_STR_CMD = 3,
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CFG_BIN_CMD = 4
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};
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struct wilc_mac_cfg {
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int mac_status;
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u8 mac_address[7];
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u8 ip_address[5];
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u8 bssid[7];
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u8 ssid[34];
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u8 firmware_version[129];
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u8 supp_rate[24];
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u8 wep_key[28];
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u8 i_psk[66];
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u8 hw_product_version[33];
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u8 phyversion[17];
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u8 supp_username[21];
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u8 supp_password[64];
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u8 assoc_req[256];
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u8 assoc_rsp[256];
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u8 firmware_info[8];
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u8 scan_result[256];
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u8 scan_result1[256];
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};
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static struct wilc_mac_cfg g_mac;
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static struct wilc_cfg_byte g_cfg_byte[] = {
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{WID_BSS_TYPE, 0},
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{WID_CURRENT_TX_RATE, 0},
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{WID_CURRENT_CHANNEL, 0},
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{WID_PREAMBLE, 0},
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{WID_11G_OPERATING_MODE, 0},
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{WID_STATUS, 0},
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{WID_SCAN_TYPE, 0},
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{WID_KEY_ID, 0},
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{WID_QOS_ENABLE, 0},
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{WID_POWER_MANAGEMENT, 0},
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{WID_11I_MODE, 0},
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{WID_AUTH_TYPE, 0},
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{WID_SITE_SURVEY, 0},
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{WID_LISTEN_INTERVAL, 0},
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{WID_DTIM_PERIOD, 0},
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{WID_ACK_POLICY, 0},
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{WID_BCAST_SSID, 0},
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{WID_REKEY_POLICY, 0},
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{WID_SHORT_SLOT_ALLOWED, 0},
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{WID_START_SCAN_REQ, 0},
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{WID_RSSI, 0},
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{WID_LINKSPEED, 0},
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{WID_AUTO_RX_SENSITIVITY, 0},
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{WID_DATAFLOW_CONTROL, 0},
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{WID_SCAN_FILTER, 0},
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{WID_11N_PROT_MECH, 0},
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{WID_11N_ERP_PROT_TYPE, 0},
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{WID_11N_ENABLE, 0},
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{WID_11N_OPERATING_MODE, 0},
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{WID_11N_OBSS_NONHT_DETECTION, 0},
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{WID_11N_HT_PROT_TYPE, 0},
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{WID_11N_RIFS_PROT_ENABLE, 0},
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{WID_11N_SMPS_MODE, 0},
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{WID_11N_CURRENT_TX_MCS, 0},
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{WID_11N_SHORT_GI_ENABLE, 0},
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{WID_RIFS_MODE, 0},
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{WID_TX_ABORT_CONFIG, 0},
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{WID_11N_IMMEDIATE_BA_ENABLED, 0},
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{WID_11N_TXOP_PROT_DISABLE, 0},
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{WID_NIL, 0}
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};
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static struct wilc_cfg_hword g_cfg_hword[] = {
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{WID_LINK_LOSS_THRESHOLD, 0},
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{WID_RTS_THRESHOLD, 0},
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{WID_FRAG_THRESHOLD, 0},
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{WID_SHORT_RETRY_LIMIT, 0},
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{WID_LONG_RETRY_LIMIT, 0},
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{WID_BEACON_INTERVAL, 0},
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{WID_RX_SENSE, 0},
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{WID_ACTIVE_SCAN_TIME, 0},
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{WID_PASSIVE_SCAN_TIME, 0},
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{WID_SITE_SURVEY_SCAN_TIME, 0},
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{WID_JOIN_START_TIMEOUT, 0},
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{WID_AUTH_TIMEOUT, 0},
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{WID_ASOC_TIMEOUT, 0},
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{WID_11I_PROTOCOL_TIMEOUT, 0},
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{WID_EAPOL_RESPONSE_TIMEOUT, 0},
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{WID_11N_SIG_QUAL_VAL, 0},
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{WID_CCA_THRESHOLD, 0},
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{WID_NIL, 0}
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};
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static struct wilc_cfg_word g_cfg_word[] = {
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{WID_FAILED_COUNT, 0},
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{WID_RETRY_COUNT, 0},
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{WID_MULTIPLE_RETRY_COUNT, 0},
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{WID_FRAME_DUPLICATE_COUNT, 0},
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{WID_ACK_FAILURE_COUNT, 0},
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{WID_RECEIVED_FRAGMENT_COUNT, 0},
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{WID_MCAST_RECEIVED_FRAME_COUNT, 0},
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{WID_FCS_ERROR_COUNT, 0},
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{WID_SUCCESS_FRAME_COUNT, 0},
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{WID_TX_FRAGMENT_COUNT, 0},
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{WID_TX_MULTICAST_FRAME_COUNT, 0},
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{WID_RTS_SUCCESS_COUNT, 0},
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{WID_RTS_FAILURE_COUNT, 0},
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{WID_WEP_UNDECRYPTABLE_COUNT, 0},
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{WID_REKEY_PERIOD, 0},
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{WID_REKEY_PACKET_COUNT, 0},
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{WID_HW_RX_COUNT, 0},
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{WID_GET_INACTIVE_TIME, 0},
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{WID_NIL, 0}
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};
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static struct wilc_cfg_str g_cfg_str[] = {
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{WID_SSID, g_mac.ssid}, /* 33 + 1 bytes */
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{WID_FIRMWARE_VERSION, g_mac.firmware_version},
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{WID_OPERATIONAL_RATE_SET, g_mac.supp_rate},
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{WID_BSSID, g_mac.bssid}, /* 6 bytes */
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{WID_WEP_KEY_VALUE, g_mac.wep_key}, /* 27 bytes */
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{WID_11I_PSK, g_mac.i_psk}, /* 65 bytes */
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{WID_HARDWARE_VERSION, g_mac.hw_product_version},
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{WID_MAC_ADDR, g_mac.mac_address},
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{WID_PHY_VERSION, g_mac.phyversion},
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{WID_SUPP_USERNAME, g_mac.supp_username},
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{WID_SUPP_PASSWORD, g_mac.supp_password},
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{WID_SITE_SURVEY_RESULTS, g_mac.scan_result},
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{WID_SITE_SURVEY_RESULTS, g_mac.scan_result1},
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{WID_ASSOC_REQ_INFO, g_mac.assoc_req},
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{WID_ASSOC_RES_INFO, g_mac.assoc_rsp},
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{WID_FIRMWARE_INFO, g_mac.firmware_version},
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{WID_IP_ADDRESS, g_mac.ip_address},
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{WID_NIL, NULL}
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};
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/********************************************
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*
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* Configuration Functions
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*
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********************************************/
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static int wilc_wlan_cfg_set_byte(u8 *frame, u32 offset, u16 id, u8 val8)
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{
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u8 *buf;
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if ((offset + 4) >= MAX_CFG_FRAME_SIZE)
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return 0;
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buf = &frame[offset];
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buf[0] = (u8)id;
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buf[1] = (u8)(id >> 8);
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buf[2] = 1;
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buf[3] = val8;
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return 4;
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}
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static int wilc_wlan_cfg_set_hword(u8 *frame, u32 offset, u16 id, u16 val16)
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{
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u8 *buf;
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if ((offset + 5) >= MAX_CFG_FRAME_SIZE)
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return 0;
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buf = &frame[offset];
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buf[0] = (u8)id;
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buf[1] = (u8)(id >> 8);
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buf[2] = 2;
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buf[3] = (u8)val16;
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buf[4] = (u8)(val16 >> 8);
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return 5;
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}
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static int wilc_wlan_cfg_set_word(u8 *frame, u32 offset, u16 id, u32 val32)
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{
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u8 *buf;
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if ((offset + 7) >= MAX_CFG_FRAME_SIZE)
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return 0;
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buf = &frame[offset];
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buf[0] = (u8)id;
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buf[1] = (u8)(id >> 8);
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buf[2] = 4;
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buf[3] = (u8)val32;
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buf[4] = (u8)(val32 >> 8);
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buf[5] = (u8)(val32 >> 16);
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buf[6] = (u8)(val32 >> 24);
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return 7;
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}
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static int wilc_wlan_cfg_set_str(u8 *frame, u32 offset, u16 id, u8 *str, u32 size)
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{
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u8 *buf;
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if ((offset + size + 3) >= MAX_CFG_FRAME_SIZE)
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return 0;
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buf = &frame[offset];
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buf[0] = (u8)id;
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buf[1] = (u8)(id >> 8);
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buf[2] = (u8)size;
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if ((str) && (size != 0))
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memcpy(&buf[3], str, size);
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return (size + 3);
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}
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static int wilc_wlan_cfg_set_bin(u8 *frame, u32 offset, u16 id, u8 *b, u32 size)
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{
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u8 *buf;
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u32 i;
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u8 checksum = 0;
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if ((offset + size + 5) >= MAX_CFG_FRAME_SIZE)
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return 0;
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buf = &frame[offset];
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buf[0] = (u8)id;
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buf[1] = (u8)(id >> 8);
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buf[2] = (u8)size;
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buf[3] = (u8)(size >> 8);
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if ((b) && (size != 0)) {
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memcpy(&buf[4], b, size);
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for (i = 0; i < size; i++)
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checksum += buf[i + 4];
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}
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buf[size + 4] = checksum;
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return (size + 5);
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}
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/********************************************
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*
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* Configuration Response Functions
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*
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********************************************/
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static void wilc_wlan_parse_response_frame(u8 *info, int size)
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{
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u32 wid, len = 0, i = 0;
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while (size > 0) {
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i = 0;
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wid = info[0] | (info[1] << 8);
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wid = cpu_to_le32(wid);
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switch ((wid >> 12) & 0x7) {
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case WID_CHAR:
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do {
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if (g_cfg_byte[i].id == WID_NIL)
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break;
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if (g_cfg_byte[i].id == wid) {
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g_cfg_byte[i].val = info[3];
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break;
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}
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i++;
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} while (1);
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len = 2;
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break;
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case WID_SHORT:
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do {
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if (g_cfg_hword[i].id == WID_NIL)
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break;
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if (g_cfg_hword[i].id == wid) {
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g_cfg_hword[i].val = cpu_to_le16(info[3] | (info[4] << 8));
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break;
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}
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i++;
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} while (1);
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len = 3;
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break;
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case WID_INT:
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do {
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if (g_cfg_word[i].id == WID_NIL)
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break;
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if (g_cfg_word[i].id == wid) {
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g_cfg_word[i].val = cpu_to_le32(info[3] | (info[4] << 8) | (info[5] << 16) | (info[6] << 24));
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break;
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}
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i++;
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} while (1);
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len = 5;
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break;
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case WID_STR:
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do {
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if (g_cfg_str[i].id == WID_NIL)
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break;
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if (g_cfg_str[i].id == wid) {
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if (wid == WID_SITE_SURVEY_RESULTS) {
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static int toggle;
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i += toggle;
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toggle ^= 1;
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}
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memcpy(g_cfg_str[i].str, &info[2], (info[2] + 1));
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break;
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}
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i++;
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} while (1);
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len = 1 + info[2];
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break;
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default:
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break;
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}
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size -= (2 + len);
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info += (2 + len);
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}
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}
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static int wilc_wlan_parse_info_frame(u8 *info, int size)
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{
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struct wilc_mac_cfg *pd = &g_mac;
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u32 wid, len;
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int type = WILC_CFG_RSP_STATUS;
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wid = info[0] | (info[1] << 8);
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len = info[2];
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if ((len == 1) && (wid == WID_STATUS)) {
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pd->mac_status = info[3];
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type = WILC_CFG_RSP_STATUS;
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}
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return type;
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}
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/********************************************
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*
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* Configuration Exported Functions
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*
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********************************************/
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int wilc_wlan_cfg_set_wid(u8 *frame, u32 offset, u16 id, u8 *buf, int size)
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{
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u8 type = (id >> 12) & 0xf;
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int ret = 0;
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switch (type) {
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case CFG_BYTE_CMD:
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if (size >= 1)
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ret = wilc_wlan_cfg_set_byte(frame, offset, id, *buf);
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break;
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case CFG_HWORD_CMD:
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if (size >= 2)
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ret = wilc_wlan_cfg_set_hword(frame, offset, id,
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*((u16 *)buf));
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break;
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case CFG_WORD_CMD:
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if (size >= 4)
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ret = wilc_wlan_cfg_set_word(frame, offset, id,
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*((u32 *)buf));
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break;
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case CFG_STR_CMD:
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ret = wilc_wlan_cfg_set_str(frame, offset, id, buf, size);
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break;
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case CFG_BIN_CMD:
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ret = wilc_wlan_cfg_set_bin(frame, offset, id, buf, size);
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break;
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}
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return ret;
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}
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int wilc_wlan_cfg_get_wid(u8 *frame, u32 offset, u16 id)
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{
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u8 *buf;
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if ((offset + 2) >= MAX_CFG_FRAME_SIZE)
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return 0;
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buf = &frame[offset];
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buf[0] = (u8)id;
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buf[1] = (u8)(id >> 8);
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return 2;
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}
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int wilc_wlan_cfg_get_wid_value(u16 wid, u8 *buffer, u32 buffer_size)
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{
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u32 type = (wid >> 12) & 0xf;
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int i, ret = 0;
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if (wid == WID_STATUS) {
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*((u32 *)buffer) = g_mac.mac_status;
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return 4;
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}
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i = 0;
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if (type == CFG_BYTE_CMD) {
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do {
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if (g_cfg_byte[i].id == WID_NIL)
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break;
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if (g_cfg_byte[i].id == wid) {
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memcpy(buffer, &g_cfg_byte[i].val, 1);
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ret = 1;
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break;
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}
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i++;
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} while (1);
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} else if (type == CFG_HWORD_CMD) {
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do {
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if (g_cfg_hword[i].id == WID_NIL)
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break;
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if (g_cfg_hword[i].id == wid) {
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memcpy(buffer, &g_cfg_hword[i].val, 2);
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ret = 2;
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break;
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}
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i++;
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} while (1);
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} else if (type == CFG_WORD_CMD) {
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do {
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if (g_cfg_word[i].id == WID_NIL)
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break;
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if (g_cfg_word[i].id == wid) {
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memcpy(buffer, &g_cfg_word[i].val, 4);
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ret = 4;
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break;
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}
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i++;
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} while (1);
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} else if (type == CFG_STR_CMD) {
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do {
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if (g_cfg_str[i].id == WID_NIL)
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break;
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if (g_cfg_str[i].id == wid) {
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u32 size = g_cfg_str[i].str[0];
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if (buffer_size >= size) {
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if (g_cfg_str[i].id == WID_SITE_SURVEY_RESULTS) {
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static int toggle;
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i += toggle;
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toggle ^= 1;
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}
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memcpy(buffer, &g_cfg_str[i].str[1], size);
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ret = size;
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}
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break;
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}
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i++;
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} while (1);
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}
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return ret;
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}
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int wilc_wlan_cfg_indicate_rx(struct wilc *wilc, u8 *frame, int size,
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struct wilc_cfg_rsp *rsp)
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{
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int ret = 1;
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u8 msg_type;
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u8 msg_id;
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msg_type = frame[0];
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msg_id = frame[1]; /* seq no */
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frame += 4;
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size -= 4;
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/**
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* 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(frame, size);
|
|
rsp->type = WILC_CFG_RSP;
|
|
rsp->seq_no = msg_id;
|
|
break;
|
|
|
|
case 'I':
|
|
rsp->type = wilc_wlan_parse_info_frame(frame, size);
|
|
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);
|
|
rsp->type = 0;
|
|
break;
|
|
|
|
case 'S':
|
|
wilc_scan_complete_received(wilc, frame - 4, size + 4);
|
|
break;
|
|
|
|
default:
|
|
rsp->type = 0;
|
|
rsp->seq_no = msg_id;
|
|
ret = 0;
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
int wilc_wlan_cfg_init(void)
|
|
{
|
|
memset((void *)&g_mac, 0, sizeof(struct wilc_mac_cfg));
|
|
return 1;
|
|
}
|