// SPDX-License-Identifier: GPL-2.0-only
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/*
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* PS3 gelic network driver.
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*
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* Copyright (C) 2007 Sony Computer Entertainment Inc.
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* Copyright 2007 Sony Corporation
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*/
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#undef DEBUG
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/etherdevice.h>
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#include <linux/ethtool.h>
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#include <linux/if_vlan.h>
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#include <linux/in.h>
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#include <linux/ip.h>
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#include <linux/tcp.h>
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#include <linux/wireless.h>
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#include <linux/ieee80211.h>
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#include <linux/if_arp.h>
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#include <linux/ctype.h>
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#include <linux/string.h>
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#include <net/iw_handler.h>
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#include <linux/dma-mapping.h>
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#include <net/checksum.h>
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#include <asm/firmware.h>
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#include <asm/ps3.h>
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#include <asm/lv1call.h>
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#include "ps3_gelic_net.h"
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#include "ps3_gelic_wireless.h"
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static int gelic_wl_start_scan(struct gelic_wl_info *wl, int always_scan,
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u8 *essid, size_t essid_len);
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static int gelic_wl_try_associate(struct net_device *netdev);
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/*
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* tables
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*/
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/* 802.11b/g channel to freq in MHz */
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static const int channel_freq[] = {
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2412, 2417, 2422, 2427, 2432,
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2437, 2442, 2447, 2452, 2457,
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2462, 2467, 2472, 2484
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};
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#define NUM_CHANNELS ARRAY_SIZE(channel_freq)
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/* in bps */
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static const int bitrate_list[] = {
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1000000,
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2000000,
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5500000,
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11000000,
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6000000,
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9000000,
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12000000,
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18000000,
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24000000,
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36000000,
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48000000,
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54000000
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};
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#define NUM_BITRATES ARRAY_SIZE(bitrate_list)
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/*
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* wpa2 support requires the hypervisor version 2.0 or later
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*/
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static inline int wpa2_capable(void)
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{
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return 0 <= ps3_compare_firmware_version(2, 0, 0);
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}
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static inline int precise_ie(void)
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{
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return 0 <= ps3_compare_firmware_version(2, 2, 0);
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}
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/*
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* post_eurus_cmd helpers
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*/
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struct eurus_cmd_arg_info {
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int pre_arg; /* command requires arg1, arg2 at POST COMMAND */
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int post_arg; /* command requires arg1, arg2 at GET_RESULT */
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};
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static const struct eurus_cmd_arg_info cmd_info[GELIC_EURUS_CMD_MAX_INDEX] = {
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[GELIC_EURUS_CMD_SET_COMMON_CFG] = { .pre_arg = 1},
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[GELIC_EURUS_CMD_SET_WEP_CFG] = { .pre_arg = 1},
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[GELIC_EURUS_CMD_SET_WPA_CFG] = { .pre_arg = 1},
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[GELIC_EURUS_CMD_GET_COMMON_CFG] = { .post_arg = 1},
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[GELIC_EURUS_CMD_GET_WEP_CFG] = { .post_arg = 1},
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[GELIC_EURUS_CMD_GET_WPA_CFG] = { .post_arg = 1},
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[GELIC_EURUS_CMD_GET_RSSI_CFG] = { .post_arg = 1},
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[GELIC_EURUS_CMD_START_SCAN] = { .pre_arg = 1},
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[GELIC_EURUS_CMD_GET_SCAN] = { .post_arg = 1},
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};
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#ifdef DEBUG
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static const char *cmdstr(enum gelic_eurus_command ix)
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{
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switch (ix) {
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case GELIC_EURUS_CMD_ASSOC:
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return "ASSOC";
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case GELIC_EURUS_CMD_DISASSOC:
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return "DISASSOC";
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case GELIC_EURUS_CMD_START_SCAN:
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return "SCAN";
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case GELIC_EURUS_CMD_GET_SCAN:
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return "GET SCAN";
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case GELIC_EURUS_CMD_SET_COMMON_CFG:
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return "SET_COMMON_CFG";
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case GELIC_EURUS_CMD_GET_COMMON_CFG:
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return "GET_COMMON_CFG";
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case GELIC_EURUS_CMD_SET_WEP_CFG:
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return "SET_WEP_CFG";
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case GELIC_EURUS_CMD_GET_WEP_CFG:
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return "GET_WEP_CFG";
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case GELIC_EURUS_CMD_SET_WPA_CFG:
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return "SET_WPA_CFG";
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case GELIC_EURUS_CMD_GET_WPA_CFG:
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return "GET_WPA_CFG";
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case GELIC_EURUS_CMD_GET_RSSI_CFG:
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return "GET_RSSI";
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default:
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break;
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}
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return "";
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};
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#else
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static inline const char *cmdstr(enum gelic_eurus_command ix)
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{
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return "";
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}
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#endif
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/* synchronously do eurus commands */
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static void gelic_eurus_sync_cmd_worker(struct work_struct *work)
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{
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struct gelic_eurus_cmd *cmd;
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struct gelic_card *card;
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struct gelic_wl_info *wl;
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u64 arg1, arg2;
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pr_debug("%s: <-\n", __func__);
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cmd = container_of(work, struct gelic_eurus_cmd, work);
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BUG_ON(cmd_info[cmd->cmd].pre_arg &&
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cmd_info[cmd->cmd].post_arg);
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wl = cmd->wl;
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card = port_to_card(wl_port(wl));
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if (cmd_info[cmd->cmd].pre_arg) {
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arg1 = (cmd->buffer) ?
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ps3_mm_phys_to_lpar(__pa(cmd->buffer)) :
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0;
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arg2 = cmd->buf_size;
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} else {
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arg1 = 0;
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arg2 = 0;
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}
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init_completion(&wl->cmd_done_intr);
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pr_debug("%s: cmd='%s' start\n", __func__, cmdstr(cmd->cmd));
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cmd->status = lv1_net_control(bus_id(card), dev_id(card),
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GELIC_LV1_POST_WLAN_CMD,
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cmd->cmd, arg1, arg2,
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&cmd->tag, &cmd->size);
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if (cmd->status) {
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complete(&cmd->done);
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pr_info("%s: cmd issue failed\n", __func__);
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return;
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}
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wait_for_completion(&wl->cmd_done_intr);
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if (cmd_info[cmd->cmd].post_arg) {
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arg1 = ps3_mm_phys_to_lpar(__pa(cmd->buffer));
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arg2 = cmd->buf_size;
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} else {
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arg1 = 0;
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arg2 = 0;
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}
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cmd->status = lv1_net_control(bus_id(card), dev_id(card),
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GELIC_LV1_GET_WLAN_CMD_RESULT,
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cmd->tag, arg1, arg2,
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&cmd->cmd_status, &cmd->size);
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#ifdef DEBUG
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if (cmd->status || cmd->cmd_status) {
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pr_debug("%s: cmd done tag=%#lx arg1=%#lx, arg2=%#lx\n", __func__,
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cmd->tag, arg1, arg2);
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pr_debug("%s: cmd done status=%#x cmd_status=%#lx size=%#lx\n",
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__func__, cmd->status, cmd->cmd_status, cmd->size);
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}
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#endif
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complete(&cmd->done);
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pr_debug("%s: cmd='%s' done\n", __func__, cmdstr(cmd->cmd));
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}
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static struct gelic_eurus_cmd *gelic_eurus_sync_cmd(struct gelic_wl_info *wl,
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unsigned int eurus_cmd,
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void *buffer,
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unsigned int buf_size)
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{
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struct gelic_eurus_cmd *cmd;
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/* allocate cmd */
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cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
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if (!cmd)
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return NULL;
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/* initialize members */
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cmd->cmd = eurus_cmd;
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cmd->buffer = buffer;
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cmd->buf_size = buf_size;
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cmd->wl = wl;
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INIT_WORK(&cmd->work, gelic_eurus_sync_cmd_worker);
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init_completion(&cmd->done);
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queue_work(wl->eurus_cmd_queue, &cmd->work);
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/* wait for command completion */
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wait_for_completion(&cmd->done);
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return cmd;
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}
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static u32 gelic_wl_get_link(struct net_device *netdev)
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{
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struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
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u32 ret;
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pr_debug("%s: <-\n", __func__);
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mutex_lock(&wl->assoc_stat_lock);
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if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
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ret = 1;
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else
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ret = 0;
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mutex_unlock(&wl->assoc_stat_lock);
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pr_debug("%s: ->\n", __func__);
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return ret;
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}
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static void gelic_wl_send_iwap_event(struct gelic_wl_info *wl, u8 *bssid)
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{
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union iwreq_data data;
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memset(&data, 0, sizeof(data));
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if (bssid)
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memcpy(data.ap_addr.sa_data, bssid, ETH_ALEN);
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data.ap_addr.sa_family = ARPHRD_ETHER;
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wireless_send_event(port_to_netdev(wl_port(wl)), SIOCGIWAP,
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&data, NULL);
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}
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/*
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* wireless extension handlers and helpers
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*/
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/* SIOGIWNAME */
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static int gelic_wl_get_name(struct net_device *dev,
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struct iw_request_info *info,
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union iwreq_data *iwreq, char *extra)
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{
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strcpy(iwreq->name, "IEEE 802.11bg");
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return 0;
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}
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static void gelic_wl_get_ch_info(struct gelic_wl_info *wl)
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{
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struct gelic_card *card = port_to_card(wl_port(wl));
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u64 ch_info_raw, tmp;
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int status;
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if (!test_and_set_bit(GELIC_WL_STAT_CH_INFO, &wl->stat)) {
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status = lv1_net_control(bus_id(card), dev_id(card),
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GELIC_LV1_GET_CHANNEL, 0, 0, 0,
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&ch_info_raw,
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&tmp);
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/* some fw versions may return error */
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if (status) {
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if (status != LV1_NO_ENTRY)
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pr_info("%s: available ch unknown\n", __func__);
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wl->ch_info = 0x07ff;/* 11 ch */
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} else
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/* 16 bits of MSB has available channels */
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wl->ch_info = ch_info_raw >> 48;
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}
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}
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/* SIOGIWRANGE */
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static int gelic_wl_get_range(struct net_device *netdev,
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struct iw_request_info *info,
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union iwreq_data *iwreq, char *extra)
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{
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struct iw_point *point = &iwreq->data;
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struct iw_range *range = (struct iw_range *)extra;
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struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
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unsigned int i, chs;
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pr_debug("%s: <-\n", __func__);
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point->length = sizeof(struct iw_range);
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memset(range, 0, sizeof(struct iw_range));
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range->we_version_compiled = WIRELESS_EXT;
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range->we_version_source = 22;
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/* available channels and frequencies */
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gelic_wl_get_ch_info(wl);
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for (i = 0, chs = 0;
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i < NUM_CHANNELS && chs < IW_MAX_FREQUENCIES; i++)
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if (wl->ch_info & (1 << i)) {
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range->freq[chs].i = i + 1;
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range->freq[chs].m = channel_freq[i];
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range->freq[chs].e = 6;
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chs++;
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}
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range->num_frequency = chs;
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range->old_num_frequency = chs;
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range->num_channels = chs;
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range->old_num_channels = chs;
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/* bitrates */
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for (i = 0; i < NUM_BITRATES; i++)
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range->bitrate[i] = bitrate_list[i];
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range->num_bitrates = i;
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/* signal levels */
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range->max_qual.qual = 100; /* relative value */
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range->max_qual.level = 100;
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range->avg_qual.qual = 50;
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range->avg_qual.level = 50;
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range->sensitivity = 0;
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/* Event capability */
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IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
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IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
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IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
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/* encryption capability */
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range->enc_capa = IW_ENC_CAPA_WPA |
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IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP |
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IW_ENC_CAPA_4WAY_HANDSHAKE;
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if (wpa2_capable())
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range->enc_capa |= IW_ENC_CAPA_WPA2;
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range->encoding_size[0] = 5; /* 40bit WEP */
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range->encoding_size[1] = 13; /* 104bit WEP */
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range->encoding_size[2] = 32; /* WPA-PSK */
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range->num_encoding_sizes = 3;
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range->max_encoding_tokens = GELIC_WEP_KEYS;
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/* scan capability */
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range->scan_capa = IW_SCAN_CAPA_ESSID;
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pr_debug("%s: ->\n", __func__);
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return 0;
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}
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/* SIOC{G,S}IWSCAN */
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static int gelic_wl_set_scan(struct net_device *netdev,
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struct iw_request_info *info,
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union iwreq_data *wrqu, char *extra)
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{
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struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
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struct iw_scan_req *req;
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u8 *essid = NULL;
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size_t essid_len = 0;
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if (wrqu->data.length == sizeof(struct iw_scan_req) &&
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wrqu->data.flags & IW_SCAN_THIS_ESSID) {
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req = (struct iw_scan_req*)extra;
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essid = req->essid;
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essid_len = req->essid_len;
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pr_debug("%s: ESSID scan =%s\n", __func__, essid);
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}
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return gelic_wl_start_scan(wl, 1, essid, essid_len);
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}
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#define OUI_LEN 3
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static const u8 rsn_oui[OUI_LEN] = { 0x00, 0x0f, 0xac };
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static const u8 wpa_oui[OUI_LEN] = { 0x00, 0x50, 0xf2 };
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/*
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* synthesize WPA/RSN IE data
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* See WiFi WPA specification and IEEE 802.11-2007 7.3.2.25
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* for the format
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*/
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static size_t gelic_wl_synthesize_ie(u8 *buf,
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struct gelic_eurus_scan_info *scan)
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{
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const u8 *oui_header;
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u8 *start = buf;
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int rsn;
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int ccmp;
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pr_debug("%s: <- sec=%16x\n", __func__, scan->security);
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switch (be16_to_cpu(scan->security) & GELIC_EURUS_SCAN_SEC_MASK) {
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case GELIC_EURUS_SCAN_SEC_WPA:
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rsn = 0;
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break;
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case GELIC_EURUS_SCAN_SEC_WPA2:
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rsn = 1;
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break;
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default:
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/* WEP or none. No IE returned */
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return 0;
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}
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switch (be16_to_cpu(scan->security) & GELIC_EURUS_SCAN_SEC_WPA_MASK) {
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case GELIC_EURUS_SCAN_SEC_WPA_TKIP:
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ccmp = 0;
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break;
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case GELIC_EURUS_SCAN_SEC_WPA_AES:
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ccmp = 1;
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break;
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default:
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if (rsn) {
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ccmp = 1;
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pr_info("%s: no cipher info. defaulted to CCMP\n",
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__func__);
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} else {
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ccmp = 0;
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pr_info("%s: no cipher info. defaulted to TKIP\n",
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__func__);
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}
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}
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if (rsn)
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oui_header = rsn_oui;
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else
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oui_header = wpa_oui;
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/* element id */
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if (rsn)
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*buf++ = WLAN_EID_RSN;
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else
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*buf++ = WLAN_EID_VENDOR_SPECIFIC;
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/* length filed; set later */
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buf++;
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/* wpa special header */
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if (!rsn) {
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memcpy(buf, wpa_oui, OUI_LEN);
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buf += OUI_LEN;
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*buf++ = 0x01;
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}
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/* version */
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*buf++ = 0x01; /* version 1.0 */
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*buf++ = 0x00;
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/* group cipher */
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memcpy(buf, oui_header, OUI_LEN);
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buf += OUI_LEN;
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if (ccmp)
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*buf++ = 0x04; /* CCMP */
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else
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*buf++ = 0x02; /* TKIP */
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/* pairwise key count always 1 */
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*buf++ = 0x01;
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*buf++ = 0x00;
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/* pairwise key suit */
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memcpy(buf, oui_header, OUI_LEN);
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buf += OUI_LEN;
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if (ccmp)
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*buf++ = 0x04; /* CCMP */
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else
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*buf++ = 0x02; /* TKIP */
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/* AKM count is 1 */
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*buf++ = 0x01;
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*buf++ = 0x00;
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/* AKM suite is assumed as PSK*/
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memcpy(buf, oui_header, OUI_LEN);
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buf += OUI_LEN;
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*buf++ = 0x02; /* PSK */
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/* RSN capabilities is 0 */
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*buf++ = 0x00;
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*buf++ = 0x00;
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/* set length field */
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start[1] = (buf - start - 2);
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pr_debug("%s: ->\n", __func__);
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return buf - start;
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}
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struct ie_item {
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u8 *data;
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u8 len;
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};
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struct ie_info {
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struct ie_item wpa;
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struct ie_item rsn;
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};
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static void gelic_wl_parse_ie(u8 *data, size_t len,
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struct ie_info *ie_info)
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{
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size_t data_left = len;
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u8 *pos = data;
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u8 item_len;
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u8 item_id;
|
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pr_debug("%s: data=%p len=%ld\n", __func__,
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data, len);
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memset(ie_info, 0, sizeof(struct ie_info));
|
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while (2 <= data_left) {
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item_id = *pos++;
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item_len = *pos++;
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data_left -= 2;
|
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if (data_left < item_len)
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break;
|
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switch (item_id) {
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case WLAN_EID_VENDOR_SPECIFIC:
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if ((OUI_LEN + 1 <= item_len) &&
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!memcmp(pos, wpa_oui, OUI_LEN) &&
|
pos[OUI_LEN] == 0x01) {
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ie_info->wpa.data = pos - 2;
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ie_info->wpa.len = item_len + 2;
|
}
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break;
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case WLAN_EID_RSN:
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ie_info->rsn.data = pos - 2;
|
/* length includes the header */
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ie_info->rsn.len = item_len + 2;
|
break;
|
default:
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pr_debug("%s: ignore %#x,%d\n", __func__,
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item_id, item_len);
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break;
|
}
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pos += item_len;
|
data_left -= item_len;
|
}
|
pr_debug("%s: wpa=%p,%d wpa2=%p,%d\n", __func__,
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ie_info->wpa.data, ie_info->wpa.len,
|
ie_info->rsn.data, ie_info->rsn.len);
|
}
|
|
|
/*
|
* translate the scan informations from hypervisor to a
|
* independent format
|
*/
|
static char *gelic_wl_translate_scan(struct net_device *netdev,
|
struct iw_request_info *info,
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char *ev,
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char *stop,
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struct gelic_wl_scan_info *network)
|
{
|
struct iw_event iwe;
|
struct gelic_eurus_scan_info *scan = network->hwinfo;
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char *tmp;
|
u8 rate;
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unsigned int i, j, len;
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u8 buf[64]; /* arbitrary size large enough */
|
|
pr_debug("%s: <-\n", __func__);
|
|
/* first entry should be AP's mac address */
|
iwe.cmd = SIOCGIWAP;
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iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
|
memcpy(iwe.u.ap_addr.sa_data, &scan->bssid[2], ETH_ALEN);
|
ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_ADDR_LEN);
|
|
/* ESSID */
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iwe.cmd = SIOCGIWESSID;
|
iwe.u.data.flags = 1;
|
iwe.u.data.length = strnlen(scan->essid, 32);
|
ev = iwe_stream_add_point(info, ev, stop, &iwe, scan->essid);
|
|
/* FREQUENCY */
|
iwe.cmd = SIOCGIWFREQ;
|
iwe.u.freq.m = be16_to_cpu(scan->channel);
|
iwe.u.freq.e = 0; /* table value in MHz */
|
iwe.u.freq.i = 0;
|
ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_FREQ_LEN);
|
|
/* RATES */
|
iwe.cmd = SIOCGIWRATE;
|
iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
|
/* to stuff multiple values in one event */
|
tmp = ev + iwe_stream_lcp_len(info);
|
/* put them in ascendant order (older is first) */
|
i = 0;
|
j = 0;
|
pr_debug("%s: rates=%d rate=%d\n", __func__,
|
network->rate_len, network->rate_ext_len);
|
while (i < network->rate_len) {
|
if (j < network->rate_ext_len &&
|
((scan->ext_rate[j] & 0x7f) < (scan->rate[i] & 0x7f)))
|
rate = scan->ext_rate[j++] & 0x7f;
|
else
|
rate = scan->rate[i++] & 0x7f;
|
iwe.u.bitrate.value = rate * 500000; /* 500kbps unit */
|
tmp = iwe_stream_add_value(info, ev, tmp, stop, &iwe,
|
IW_EV_PARAM_LEN);
|
}
|
while (j < network->rate_ext_len) {
|
iwe.u.bitrate.value = (scan->ext_rate[j++] & 0x7f) * 500000;
|
tmp = iwe_stream_add_value(info, ev, tmp, stop, &iwe,
|
IW_EV_PARAM_LEN);
|
}
|
/* Check if we added any rate */
|
if (iwe_stream_lcp_len(info) < (tmp - ev))
|
ev = tmp;
|
|
/* ENCODE */
|
iwe.cmd = SIOCGIWENCODE;
|
if (be16_to_cpu(scan->capability) & WLAN_CAPABILITY_PRIVACY)
|
iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
|
else
|
iwe.u.data.flags = IW_ENCODE_DISABLED;
|
iwe.u.data.length = 0;
|
ev = iwe_stream_add_point(info, ev, stop, &iwe, scan->essid);
|
|
/* MODE */
|
iwe.cmd = SIOCGIWMODE;
|
if (be16_to_cpu(scan->capability) &
|
(WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)) {
|
if (be16_to_cpu(scan->capability) & WLAN_CAPABILITY_ESS)
|
iwe.u.mode = IW_MODE_MASTER;
|
else
|
iwe.u.mode = IW_MODE_ADHOC;
|
ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_UINT_LEN);
|
}
|
|
/* QUAL */
|
iwe.cmd = IWEVQUAL;
|
iwe.u.qual.updated = IW_QUAL_ALL_UPDATED |
|
IW_QUAL_QUAL_INVALID | IW_QUAL_NOISE_INVALID;
|
iwe.u.qual.level = be16_to_cpu(scan->rssi);
|
iwe.u.qual.qual = be16_to_cpu(scan->rssi);
|
iwe.u.qual.noise = 0;
|
ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_QUAL_LEN);
|
|
/* RSN */
|
memset(&iwe, 0, sizeof(iwe));
|
if (be16_to_cpu(scan->size) <= sizeof(*scan)) {
|
/* If wpa[2] capable station, synthesize IE and put it */
|
len = gelic_wl_synthesize_ie(buf, scan);
|
if (len) {
|
iwe.cmd = IWEVGENIE;
|
iwe.u.data.length = len;
|
ev = iwe_stream_add_point(info, ev, stop, &iwe, buf);
|
}
|
} else {
|
/* this scan info has IE data */
|
struct ie_info ie_info;
|
size_t data_len;
|
|
data_len = be16_to_cpu(scan->size) - sizeof(*scan);
|
|
gelic_wl_parse_ie(scan->elements, data_len, &ie_info);
|
|
if (ie_info.wpa.len && (ie_info.wpa.len <= sizeof(buf))) {
|
memcpy(buf, ie_info.wpa.data, ie_info.wpa.len);
|
iwe.cmd = IWEVGENIE;
|
iwe.u.data.length = ie_info.wpa.len;
|
ev = iwe_stream_add_point(info, ev, stop, &iwe, buf);
|
}
|
|
if (ie_info.rsn.len && (ie_info.rsn.len <= sizeof(buf))) {
|
memset(&iwe, 0, sizeof(iwe));
|
memcpy(buf, ie_info.rsn.data, ie_info.rsn.len);
|
iwe.cmd = IWEVGENIE;
|
iwe.u.data.length = ie_info.rsn.len;
|
ev = iwe_stream_add_point(info, ev, stop, &iwe, buf);
|
}
|
}
|
|
pr_debug("%s: ->\n", __func__);
|
return ev;
|
}
|
|
|
static int gelic_wl_get_scan(struct net_device *netdev,
|
struct iw_request_info *info,
|
union iwreq_data *wrqu, char *extra)
|
{
|
struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
|
struct gelic_wl_scan_info *scan_info;
|
char *ev = extra;
|
char *stop = ev + wrqu->data.length;
|
int ret = 0;
|
unsigned long this_time = jiffies;
|
|
pr_debug("%s: <-\n", __func__);
|
if (mutex_lock_interruptible(&wl->scan_lock))
|
return -EAGAIN;
|
|
switch (wl->scan_stat) {
|
case GELIC_WL_SCAN_STAT_SCANNING:
|
/* If a scan in progress, caller should call me again */
|
ret = -EAGAIN;
|
goto out;
|
case GELIC_WL_SCAN_STAT_INIT:
|
/* last scan request failed or never issued */
|
ret = -ENODEV;
|
goto out;
|
case GELIC_WL_SCAN_STAT_GOT_LIST:
|
/* ok, use current list */
|
break;
|
}
|
|
list_for_each_entry(scan_info, &wl->network_list, list) {
|
if (wl->scan_age == 0 ||
|
time_after(scan_info->last_scanned + wl->scan_age,
|
this_time))
|
ev = gelic_wl_translate_scan(netdev, info,
|
ev, stop,
|
scan_info);
|
else
|
pr_debug("%s:entry too old\n", __func__);
|
|
if (stop - ev <= IW_EV_ADDR_LEN) {
|
ret = -E2BIG;
|
goto out;
|
}
|
}
|
|
wrqu->data.length = ev - extra;
|
wrqu->data.flags = 0;
|
out:
|
mutex_unlock(&wl->scan_lock);
|
pr_debug("%s: -> %d %d\n", __func__, ret, wrqu->data.length);
|
return ret;
|
}
|
|
#ifdef DEBUG
|
static void scan_list_dump(struct gelic_wl_info *wl)
|
{
|
struct gelic_wl_scan_info *scan_info;
|
int i;
|
|
i = 0;
|
list_for_each_entry(scan_info, &wl->network_list, list) {
|
pr_debug("%s: item %d\n", __func__, i++);
|
pr_debug("valid=%d eurusindex=%d last=%lx\n",
|
scan_info->valid, scan_info->eurus_index,
|
scan_info->last_scanned);
|
pr_debug("r_len=%d r_ext_len=%d essid_len=%d\n",
|
scan_info->rate_len, scan_info->rate_ext_len,
|
scan_info->essid_len);
|
/* -- */
|
pr_debug("bssid=%pM\n", &scan_info->hwinfo->bssid[2]);
|
pr_debug("essid=%s\n", scan_info->hwinfo->essid);
|
}
|
}
|
#endif
|
|
static int gelic_wl_set_auth(struct net_device *netdev,
|
struct iw_request_info *info,
|
union iwreq_data *data, char *extra)
|
{
|
struct iw_param *param = &data->param;
|
struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
|
unsigned long irqflag;
|
int ret = 0;
|
|
pr_debug("%s: <- %d\n", __func__, param->flags & IW_AUTH_INDEX);
|
spin_lock_irqsave(&wl->lock, irqflag);
|
switch (param->flags & IW_AUTH_INDEX) {
|
case IW_AUTH_WPA_VERSION:
|
if (param->value & IW_AUTH_WPA_VERSION_DISABLED) {
|
pr_debug("%s: NO WPA selected\n", __func__);
|
wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
|
wl->group_cipher_method = GELIC_WL_CIPHER_WEP;
|
wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP;
|
}
|
if (param->value & IW_AUTH_WPA_VERSION_WPA) {
|
pr_debug("%s: WPA version 1 selected\n", __func__);
|
wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA;
|
wl->group_cipher_method = GELIC_WL_CIPHER_TKIP;
|
wl->pairwise_cipher_method = GELIC_WL_CIPHER_TKIP;
|
wl->auth_method = GELIC_EURUS_AUTH_OPEN;
|
}
|
if (param->value & IW_AUTH_WPA_VERSION_WPA2) {
|
/*
|
* As the hypervisor may not tell the cipher
|
* information of the AP if it is WPA2,
|
* you will not decide suitable cipher from
|
* its beacon.
|
* You should have knowledge about the AP's
|
* cipher information in other method prior to
|
* the association.
|
*/
|
if (!precise_ie())
|
pr_info("%s: WPA2 may not work\n", __func__);
|
if (wpa2_capable()) {
|
wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA2;
|
wl->group_cipher_method = GELIC_WL_CIPHER_AES;
|
wl->pairwise_cipher_method =
|
GELIC_WL_CIPHER_AES;
|
wl->auth_method = GELIC_EURUS_AUTH_OPEN;
|
} else
|
ret = -EINVAL;
|
}
|
break;
|
|
case IW_AUTH_CIPHER_PAIRWISE:
|
if (param->value &
|
(IW_AUTH_CIPHER_WEP104 | IW_AUTH_CIPHER_WEP40)) {
|
pr_debug("%s: WEP selected\n", __func__);
|
wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP;
|
}
|
if (param->value & IW_AUTH_CIPHER_TKIP) {
|
pr_debug("%s: TKIP selected\n", __func__);
|
wl->pairwise_cipher_method = GELIC_WL_CIPHER_TKIP;
|
}
|
if (param->value & IW_AUTH_CIPHER_CCMP) {
|
pr_debug("%s: CCMP selected\n", __func__);
|
wl->pairwise_cipher_method = GELIC_WL_CIPHER_AES;
|
}
|
if (param->value & IW_AUTH_CIPHER_NONE) {
|
pr_debug("%s: no auth selected\n", __func__);
|
wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE;
|
}
|
break;
|
case IW_AUTH_CIPHER_GROUP:
|
if (param->value &
|
(IW_AUTH_CIPHER_WEP104 | IW_AUTH_CIPHER_WEP40)) {
|
pr_debug("%s: WEP selected\n", __func__);
|
wl->group_cipher_method = GELIC_WL_CIPHER_WEP;
|
}
|
if (param->value & IW_AUTH_CIPHER_TKIP) {
|
pr_debug("%s: TKIP selected\n", __func__);
|
wl->group_cipher_method = GELIC_WL_CIPHER_TKIP;
|
}
|
if (param->value & IW_AUTH_CIPHER_CCMP) {
|
pr_debug("%s: CCMP selected\n", __func__);
|
wl->group_cipher_method = GELIC_WL_CIPHER_AES;
|
}
|
if (param->value & IW_AUTH_CIPHER_NONE) {
|
pr_debug("%s: no auth selected\n", __func__);
|
wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
|
}
|
break;
|
case IW_AUTH_80211_AUTH_ALG:
|
if (param->value & IW_AUTH_ALG_SHARED_KEY) {
|
pr_debug("%s: shared key specified\n", __func__);
|
wl->auth_method = GELIC_EURUS_AUTH_SHARED;
|
} else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
|
pr_debug("%s: open system specified\n", __func__);
|
wl->auth_method = GELIC_EURUS_AUTH_OPEN;
|
} else
|
ret = -EINVAL;
|
break;
|
|
case IW_AUTH_WPA_ENABLED:
|
if (param->value) {
|
pr_debug("%s: WPA enabled\n", __func__);
|
wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA;
|
} else {
|
pr_debug("%s: WPA disabled\n", __func__);
|
wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
|
}
|
break;
|
|
case IW_AUTH_KEY_MGMT:
|
if (param->value & IW_AUTH_KEY_MGMT_PSK)
|
break;
|
fallthrough;
|
default:
|
ret = -EOPNOTSUPP;
|
break;
|
}
|
|
if (!ret)
|
set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
|
|
spin_unlock_irqrestore(&wl->lock, irqflag);
|
pr_debug("%s: -> %d\n", __func__, ret);
|
return ret;
|
}
|
|
static int gelic_wl_get_auth(struct net_device *netdev,
|
struct iw_request_info *info,
|
union iwreq_data *iwreq, char *extra)
|
{
|
struct iw_param *param = &iwreq->param;
|
struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
|
unsigned long irqflag;
|
int ret = 0;
|
|
pr_debug("%s: <- %d\n", __func__, param->flags & IW_AUTH_INDEX);
|
spin_lock_irqsave(&wl->lock, irqflag);
|
switch (param->flags & IW_AUTH_INDEX) {
|
case IW_AUTH_WPA_VERSION:
|
switch (wl->wpa_level) {
|
case GELIC_WL_WPA_LEVEL_WPA:
|
param->value |= IW_AUTH_WPA_VERSION_WPA;
|
break;
|
case GELIC_WL_WPA_LEVEL_WPA2:
|
param->value |= IW_AUTH_WPA_VERSION_WPA2;
|
break;
|
default:
|
param->value |= IW_AUTH_WPA_VERSION_DISABLED;
|
}
|
break;
|
|
case IW_AUTH_80211_AUTH_ALG:
|
if (wl->auth_method == GELIC_EURUS_AUTH_SHARED)
|
param->value = IW_AUTH_ALG_SHARED_KEY;
|
else if (wl->auth_method == GELIC_EURUS_AUTH_OPEN)
|
param->value = IW_AUTH_ALG_OPEN_SYSTEM;
|
break;
|
|
case IW_AUTH_WPA_ENABLED:
|
switch (wl->wpa_level) {
|
case GELIC_WL_WPA_LEVEL_WPA:
|
case GELIC_WL_WPA_LEVEL_WPA2:
|
param->value = 1;
|
break;
|
default:
|
param->value = 0;
|
break;
|
}
|
break;
|
default:
|
ret = -EOPNOTSUPP;
|
}
|
|
spin_unlock_irqrestore(&wl->lock, irqflag);
|
pr_debug("%s: -> %d\n", __func__, ret);
|
return ret;
|
}
|
|
/* SIOC{S,G}IWESSID */
|
static int gelic_wl_set_essid(struct net_device *netdev,
|
struct iw_request_info *info,
|
union iwreq_data *data, char *extra)
|
{
|
struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
|
unsigned long irqflag;
|
|
pr_debug("%s: <- l=%d f=%d\n", __func__,
|
data->essid.length, data->essid.flags);
|
if (IW_ESSID_MAX_SIZE < data->essid.length)
|
return -EINVAL;
|
|
spin_lock_irqsave(&wl->lock, irqflag);
|
if (data->essid.flags) {
|
wl->essid_len = data->essid.length;
|
memcpy(wl->essid, extra, wl->essid_len);
|
pr_debug("%s: essid = '%s'\n", __func__, extra);
|
set_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat);
|
} else {
|
pr_debug("%s: ESSID any\n", __func__);
|
clear_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat);
|
}
|
set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
|
spin_unlock_irqrestore(&wl->lock, irqflag);
|
|
|
gelic_wl_try_associate(netdev); /* FIXME */
|
pr_debug("%s: ->\n", __func__);
|
return 0;
|
}
|
|
static int gelic_wl_get_essid(struct net_device *netdev,
|
struct iw_request_info *info,
|
union iwreq_data *data, char *extra)
|
{
|
struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
|
unsigned long irqflag;
|
|
pr_debug("%s: <-\n", __func__);
|
mutex_lock(&wl->assoc_stat_lock);
|
spin_lock_irqsave(&wl->lock, irqflag);
|
if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat) ||
|
wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) {
|
memcpy(extra, wl->essid, wl->essid_len);
|
data->essid.length = wl->essid_len;
|
data->essid.flags = 1;
|
} else
|
data->essid.flags = 0;
|
|
mutex_unlock(&wl->assoc_stat_lock);
|
spin_unlock_irqrestore(&wl->lock, irqflag);
|
pr_debug("%s: -> len=%d\n", __func__, data->essid.length);
|
|
return 0;
|
}
|
|
/* SIO{S,G}IWENCODE */
|
static int gelic_wl_set_encode(struct net_device *netdev,
|
struct iw_request_info *info,
|
union iwreq_data *data, char *extra)
|
{
|
struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
|
struct iw_point *enc = &data->encoding;
|
__u16 flags;
|
unsigned long irqflag;
|
int key_index, index_specified;
|
int ret = 0;
|
|
pr_debug("%s: <-\n", __func__);
|
flags = enc->flags & IW_ENCODE_FLAGS;
|
key_index = enc->flags & IW_ENCODE_INDEX;
|
|
pr_debug("%s: key_index = %d\n", __func__, key_index);
|
pr_debug("%s: key_len = %d\n", __func__, enc->length);
|
pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS);
|
|
if (GELIC_WEP_KEYS < key_index)
|
return -EINVAL;
|
|
spin_lock_irqsave(&wl->lock, irqflag);
|
if (key_index) {
|
index_specified = 1;
|
key_index--;
|
} else {
|
index_specified = 0;
|
key_index = wl->current_key;
|
}
|
|
if (flags & IW_ENCODE_NOKEY) {
|
/* if just IW_ENCODE_NOKEY, change current key index */
|
if (!flags && index_specified) {
|
wl->current_key = key_index;
|
goto done;
|
}
|
|
if (flags & IW_ENCODE_DISABLED) {
|
if (!index_specified) {
|
/* disable encryption */
|
wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
|
wl->pairwise_cipher_method =
|
GELIC_WL_CIPHER_NONE;
|
/* invalidate all key */
|
wl->key_enabled = 0;
|
} else
|
clear_bit(key_index, &wl->key_enabled);
|
}
|
|
if (flags & IW_ENCODE_OPEN)
|
wl->auth_method = GELIC_EURUS_AUTH_OPEN;
|
if (flags & IW_ENCODE_RESTRICTED) {
|
pr_info("%s: shared key mode enabled\n", __func__);
|
wl->auth_method = GELIC_EURUS_AUTH_SHARED;
|
}
|
} else {
|
if (IW_ENCODING_TOKEN_MAX < enc->length) {
|
ret = -EINVAL;
|
goto done;
|
}
|
wl->key_len[key_index] = enc->length;
|
memcpy(wl->key[key_index], extra, enc->length);
|
set_bit(key_index, &wl->key_enabled);
|
wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP;
|
wl->group_cipher_method = GELIC_WL_CIPHER_WEP;
|
}
|
set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
|
done:
|
spin_unlock_irqrestore(&wl->lock, irqflag);
|
pr_debug("%s: ->\n", __func__);
|
return ret;
|
}
|
|
static int gelic_wl_get_encode(struct net_device *netdev,
|
struct iw_request_info *info,
|
union iwreq_data *data, char *extra)
|
{
|
struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
|
struct iw_point *enc = &data->encoding;
|
unsigned long irqflag;
|
unsigned int key_index;
|
int ret = 0;
|
|
pr_debug("%s: <-\n", __func__);
|
key_index = enc->flags & IW_ENCODE_INDEX;
|
pr_debug("%s: flag=%#x point=%p len=%d extra=%p\n", __func__,
|
enc->flags, enc->pointer, enc->length, extra);
|
if (GELIC_WEP_KEYS < key_index)
|
return -EINVAL;
|
|
spin_lock_irqsave(&wl->lock, irqflag);
|
if (key_index)
|
key_index--;
|
else
|
key_index = wl->current_key;
|
|
if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
|
switch (wl->auth_method) {
|
case GELIC_EURUS_AUTH_OPEN:
|
enc->flags = IW_ENCODE_OPEN;
|
break;
|
case GELIC_EURUS_AUTH_SHARED:
|
enc->flags = IW_ENCODE_RESTRICTED;
|
break;
|
}
|
} else
|
enc->flags = IW_ENCODE_DISABLED;
|
|
if (test_bit(key_index, &wl->key_enabled)) {
|
if (enc->length < wl->key_len[key_index]) {
|
ret = -EINVAL;
|
goto done;
|
}
|
enc->length = wl->key_len[key_index];
|
memcpy(extra, wl->key[key_index], wl->key_len[key_index]);
|
} else {
|
enc->length = 0;
|
enc->flags |= IW_ENCODE_NOKEY;
|
}
|
enc->flags |= key_index + 1;
|
pr_debug("%s: -> flag=%x len=%d\n", __func__,
|
enc->flags, enc->length);
|
|
done:
|
spin_unlock_irqrestore(&wl->lock, irqflag);
|
return ret;
|
}
|
|
/* SIOC{S,G}IWAP */
|
static int gelic_wl_set_ap(struct net_device *netdev,
|
struct iw_request_info *info,
|
union iwreq_data *data, char *extra)
|
{
|
struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
|
unsigned long irqflag;
|
|
pr_debug("%s: <-\n", __func__);
|
if (data->ap_addr.sa_family != ARPHRD_ETHER)
|
return -EINVAL;
|
|
spin_lock_irqsave(&wl->lock, irqflag);
|
if (is_valid_ether_addr(data->ap_addr.sa_data)) {
|
memcpy(wl->bssid, data->ap_addr.sa_data,
|
ETH_ALEN);
|
set_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat);
|
set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
|
pr_debug("%s: bss=%pM\n", __func__, wl->bssid);
|
} else {
|
pr_debug("%s: clear bssid\n", __func__);
|
clear_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat);
|
eth_zero_addr(wl->bssid);
|
}
|
spin_unlock_irqrestore(&wl->lock, irqflag);
|
pr_debug("%s: ->\n", __func__);
|
return 0;
|
}
|
|
static int gelic_wl_get_ap(struct net_device *netdev,
|
struct iw_request_info *info,
|
union iwreq_data *data, char *extra)
|
{
|
struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
|
unsigned long irqflag;
|
|
pr_debug("%s: <-\n", __func__);
|
mutex_lock(&wl->assoc_stat_lock);
|
spin_lock_irqsave(&wl->lock, irqflag);
|
if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) {
|
data->ap_addr.sa_family = ARPHRD_ETHER;
|
memcpy(data->ap_addr.sa_data, wl->active_bssid,
|
ETH_ALEN);
|
} else
|
eth_zero_addr(data->ap_addr.sa_data);
|
|
spin_unlock_irqrestore(&wl->lock, irqflag);
|
mutex_unlock(&wl->assoc_stat_lock);
|
pr_debug("%s: ->\n", __func__);
|
return 0;
|
}
|
|
/* SIOC{S,G}IWENCODEEXT */
|
static int gelic_wl_set_encodeext(struct net_device *netdev,
|
struct iw_request_info *info,
|
union iwreq_data *data, char *extra)
|
{
|
struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
|
struct iw_point *enc = &data->encoding;
|
struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
|
__u16 alg;
|
__u16 flags;
|
unsigned long irqflag;
|
int key_index;
|
int ret = 0;
|
|
pr_debug("%s: <-\n", __func__);
|
flags = enc->flags & IW_ENCODE_FLAGS;
|
alg = ext->alg;
|
key_index = enc->flags & IW_ENCODE_INDEX;
|
|
pr_debug("%s: key_index = %d\n", __func__, key_index);
|
pr_debug("%s: key_len = %d\n", __func__, enc->length);
|
pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS);
|
pr_debug("%s: ext_flag=%x\n", __func__, ext->ext_flags);
|
pr_debug("%s: ext_key_len=%x\n", __func__, ext->key_len);
|
|
if (GELIC_WEP_KEYS < key_index)
|
return -EINVAL;
|
|
spin_lock_irqsave(&wl->lock, irqflag);
|
if (key_index)
|
key_index--;
|
else
|
key_index = wl->current_key;
|
|
if (!enc->length && (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)) {
|
/* reques to change default key index */
|
pr_debug("%s: request to change default key to %d\n",
|
__func__, key_index);
|
wl->current_key = key_index;
|
goto done;
|
}
|
|
if (alg == IW_ENCODE_ALG_NONE || (flags & IW_ENCODE_DISABLED)) {
|
pr_debug("%s: alg disabled\n", __func__);
|
wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
|
wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
|
wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE;
|
wl->auth_method = GELIC_EURUS_AUTH_OPEN; /* should be open */
|
} else if (alg == IW_ENCODE_ALG_WEP) {
|
pr_debug("%s: WEP requested\n", __func__);
|
if (flags & IW_ENCODE_OPEN) {
|
pr_debug("%s: open key mode\n", __func__);
|
wl->auth_method = GELIC_EURUS_AUTH_OPEN;
|
}
|
if (flags & IW_ENCODE_RESTRICTED) {
|
pr_debug("%s: shared key mode\n", __func__);
|
wl->auth_method = GELIC_EURUS_AUTH_SHARED;
|
}
|
if (IW_ENCODING_TOKEN_MAX < ext->key_len) {
|
pr_info("%s: key is too long %d\n", __func__,
|
ext->key_len);
|
ret = -EINVAL;
|
goto done;
|
}
|
/* OK, update the key */
|
wl->key_len[key_index] = ext->key_len;
|
memset(wl->key[key_index], 0, IW_ENCODING_TOKEN_MAX);
|
memcpy(wl->key[key_index], ext->key, ext->key_len);
|
set_bit(key_index, &wl->key_enabled);
|
/* remember wep info changed */
|
set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
|
} else if (alg == IW_ENCODE_ALG_PMK) {
|
if (ext->key_len != WPA_PSK_LEN) {
|
pr_err("%s: PSK length wrong %d\n", __func__,
|
ext->key_len);
|
ret = -EINVAL;
|
goto done;
|
}
|
memset(wl->psk, 0, sizeof(wl->psk));
|
memcpy(wl->psk, ext->key, ext->key_len);
|
wl->psk_len = ext->key_len;
|
wl->psk_type = GELIC_EURUS_WPA_PSK_BIN;
|
/* remember PSK configured */
|
set_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat);
|
}
|
done:
|
spin_unlock_irqrestore(&wl->lock, irqflag);
|
pr_debug("%s: ->\n", __func__);
|
return ret;
|
}
|
|
static int gelic_wl_get_encodeext(struct net_device *netdev,
|
struct iw_request_info *info,
|
union iwreq_data *data, char *extra)
|
{
|
struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
|
struct iw_point *enc = &data->encoding;
|
struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
|
unsigned long irqflag;
|
int key_index;
|
int ret = 0;
|
int max_key_len;
|
|
pr_debug("%s: <-\n", __func__);
|
|
max_key_len = enc->length - sizeof(struct iw_encode_ext);
|
if (max_key_len < 0)
|
return -EINVAL;
|
key_index = enc->flags & IW_ENCODE_INDEX;
|
|
pr_debug("%s: key_index = %d\n", __func__, key_index);
|
pr_debug("%s: key_len = %d\n", __func__, enc->length);
|
pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS);
|
|
if (GELIC_WEP_KEYS < key_index)
|
return -EINVAL;
|
|
spin_lock_irqsave(&wl->lock, irqflag);
|
if (key_index)
|
key_index--;
|
else
|
key_index = wl->current_key;
|
|
memset(ext, 0, sizeof(struct iw_encode_ext));
|
switch (wl->group_cipher_method) {
|
case GELIC_WL_CIPHER_WEP:
|
ext->alg = IW_ENCODE_ALG_WEP;
|
enc->flags |= IW_ENCODE_ENABLED;
|
break;
|
case GELIC_WL_CIPHER_TKIP:
|
ext->alg = IW_ENCODE_ALG_TKIP;
|
enc->flags |= IW_ENCODE_ENABLED;
|
break;
|
case GELIC_WL_CIPHER_AES:
|
ext->alg = IW_ENCODE_ALG_CCMP;
|
enc->flags |= IW_ENCODE_ENABLED;
|
break;
|
case GELIC_WL_CIPHER_NONE:
|
default:
|
ext->alg = IW_ENCODE_ALG_NONE;
|
enc->flags |= IW_ENCODE_NOKEY;
|
break;
|
}
|
|
if (!(enc->flags & IW_ENCODE_NOKEY)) {
|
if (max_key_len < wl->key_len[key_index]) {
|
ret = -E2BIG;
|
goto out;
|
}
|
if (test_bit(key_index, &wl->key_enabled))
|
memcpy(ext->key, wl->key[key_index],
|
wl->key_len[key_index]);
|
else
|
pr_debug("%s: disabled key requested ix=%d\n",
|
__func__, key_index);
|
}
|
out:
|
spin_unlock_irqrestore(&wl->lock, irqflag);
|
pr_debug("%s: ->\n", __func__);
|
return ret;
|
}
|
/* SIOC{S,G}IWMODE */
|
static int gelic_wl_set_mode(struct net_device *netdev,
|
struct iw_request_info *info,
|
union iwreq_data *data, char *extra)
|
{
|
__u32 mode = data->mode;
|
int ret;
|
|
pr_debug("%s: <-\n", __func__);
|
if (mode == IW_MODE_INFRA)
|
ret = 0;
|
else
|
ret = -EOPNOTSUPP;
|
pr_debug("%s: -> %d\n", __func__, ret);
|
return ret;
|
}
|
|
static int gelic_wl_get_mode(struct net_device *netdev,
|
struct iw_request_info *info,
|
union iwreq_data *data, char *extra)
|
{
|
__u32 *mode = &data->mode;
|
pr_debug("%s: <-\n", __func__);
|
*mode = IW_MODE_INFRA;
|
pr_debug("%s: ->\n", __func__);
|
return 0;
|
}
|
|
/* SIOCGIWNICKN */
|
static int gelic_wl_get_nick(struct net_device *net_dev,
|
struct iw_request_info *info,
|
union iwreq_data *data, char *extra)
|
{
|
strcpy(extra, "gelic_wl");
|
data->data.length = strlen(extra);
|
data->data.flags = 1;
|
return 0;
|
}
|
|
|
/* --- */
|
|
static struct iw_statistics *gelic_wl_get_wireless_stats(
|
struct net_device *netdev)
|
{
|
|
struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
|
struct gelic_eurus_cmd *cmd;
|
struct iw_statistics *is;
|
struct gelic_eurus_rssi_info *rssi;
|
void *buf;
|
|
pr_debug("%s: <-\n", __func__);
|
|
buf = (void *)__get_free_page(GFP_KERNEL);
|
if (!buf)
|
return NULL;
|
|
is = &wl->iwstat;
|
memset(is, 0, sizeof(*is));
|
cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_GET_RSSI_CFG,
|
buf, sizeof(*rssi));
|
if (cmd && !cmd->status && !cmd->cmd_status) {
|
rssi = buf;
|
is->qual.level = be16_to_cpu(rssi->rssi);
|
is->qual.updated = IW_QUAL_LEVEL_UPDATED |
|
IW_QUAL_QUAL_INVALID | IW_QUAL_NOISE_INVALID;
|
} else
|
/* not associated */
|
is->qual.updated = IW_QUAL_ALL_INVALID;
|
|
kfree(cmd);
|
free_page((unsigned long)buf);
|
pr_debug("%s: ->\n", __func__);
|
return is;
|
}
|
|
/*
|
* scanning helpers
|
*/
|
static int gelic_wl_start_scan(struct gelic_wl_info *wl, int always_scan,
|
u8 *essid, size_t essid_len)
|
{
|
struct gelic_eurus_cmd *cmd;
|
int ret = 0;
|
void *buf = NULL;
|
size_t len;
|
|
pr_debug("%s: <- always=%d\n", __func__, always_scan);
|
if (mutex_lock_interruptible(&wl->scan_lock))
|
return -ERESTARTSYS;
|
|
/*
|
* If already a scan in progress, do not trigger more
|
*/
|
if (wl->scan_stat == GELIC_WL_SCAN_STAT_SCANNING) {
|
pr_debug("%s: scanning now\n", __func__);
|
goto out;
|
}
|
|
init_completion(&wl->scan_done);
|
/*
|
* If we have already a bss list, don't try to get new
|
* unless we are doing an ESSID scan
|
*/
|
if ((!essid_len && !always_scan)
|
&& wl->scan_stat == GELIC_WL_SCAN_STAT_GOT_LIST) {
|
pr_debug("%s: already has the list\n", __func__);
|
complete(&wl->scan_done);
|
goto out;
|
}
|
|
/* ESSID scan ? */
|
if (essid_len && essid) {
|
buf = (void *)__get_free_page(GFP_KERNEL);
|
if (!buf) {
|
ret = -ENOMEM;
|
goto out;
|
}
|
len = IW_ESSID_MAX_SIZE; /* hypervisor always requires 32 */
|
memset(buf, 0, len);
|
memcpy(buf, essid, essid_len);
|
pr_debug("%s: essid scan='%s'\n", __func__, (char *)buf);
|
} else
|
len = 0;
|
|
/*
|
* issue start scan request
|
*/
|
wl->scan_stat = GELIC_WL_SCAN_STAT_SCANNING;
|
cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_START_SCAN,
|
buf, len);
|
if (!cmd || cmd->status || cmd->cmd_status) {
|
wl->scan_stat = GELIC_WL_SCAN_STAT_INIT;
|
complete(&wl->scan_done);
|
ret = -ENOMEM;
|
goto out;
|
}
|
kfree(cmd);
|
out:
|
free_page((unsigned long)buf);
|
mutex_unlock(&wl->scan_lock);
|
pr_debug("%s: ->\n", __func__);
|
return ret;
|
}
|
|
/*
|
* retrieve scan result from the chip (hypervisor)
|
* this function is invoked by schedule work.
|
*/
|
static void gelic_wl_scan_complete_event(struct gelic_wl_info *wl)
|
{
|
struct gelic_eurus_cmd *cmd = NULL;
|
struct gelic_wl_scan_info *target, *tmp;
|
struct gelic_wl_scan_info *oldest = NULL;
|
struct gelic_eurus_scan_info *scan_info;
|
unsigned int scan_info_size;
|
union iwreq_data data;
|
unsigned long this_time = jiffies;
|
unsigned int data_len, i, found, r;
|
void *buf;
|
|
pr_debug("%s:start\n", __func__);
|
mutex_lock(&wl->scan_lock);
|
|
buf = (void *)__get_free_page(GFP_KERNEL);
|
if (!buf) {
|
pr_info("%s: scan buffer alloc failed\n", __func__);
|
goto out;
|
}
|
|
if (wl->scan_stat != GELIC_WL_SCAN_STAT_SCANNING) {
|
/*
|
* stop() may be called while scanning, ignore result
|
*/
|
pr_debug("%s: scan complete when stat != scanning(%d)\n",
|
__func__, wl->scan_stat);
|
goto out;
|
}
|
|
cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_GET_SCAN,
|
buf, PAGE_SIZE);
|
if (!cmd || cmd->status || cmd->cmd_status) {
|
wl->scan_stat = GELIC_WL_SCAN_STAT_INIT;
|
pr_info("%s:cmd failed\n", __func__);
|
kfree(cmd);
|
goto out;
|
}
|
data_len = cmd->size;
|
pr_debug("%s: data_len = %d\n", __func__, data_len);
|
kfree(cmd);
|
|
/* OK, bss list retrieved */
|
wl->scan_stat = GELIC_WL_SCAN_STAT_GOT_LIST;
|
|
/* mark all entries are old */
|
list_for_each_entry_safe(target, tmp, &wl->network_list, list) {
|
target->valid = 0;
|
/* expire too old entries */
|
if (time_before(target->last_scanned + wl->scan_age,
|
this_time)) {
|
kfree(target->hwinfo);
|
target->hwinfo = NULL;
|
list_move_tail(&target->list, &wl->network_free_list);
|
}
|
}
|
|
/* put them in the network_list */
|
for (i = 0, scan_info_size = 0, scan_info = buf;
|
scan_info_size < data_len;
|
i++, scan_info_size += be16_to_cpu(scan_info->size),
|
scan_info = (void *)scan_info + be16_to_cpu(scan_info->size)) {
|
pr_debug("%s:size=%d bssid=%pM scan_info=%p\n", __func__,
|
be16_to_cpu(scan_info->size),
|
&scan_info->bssid[2], scan_info);
|
|
/*
|
* The wireless firmware may return invalid channel 0 and/or
|
* invalid rate if the AP emits zero length SSID ie. As this
|
* scan information is useless, ignore it
|
*/
|
if (!be16_to_cpu(scan_info->channel) || !scan_info->rate[0]) {
|
pr_debug("%s: invalid scan info\n", __func__);
|
continue;
|
}
|
|
found = 0;
|
oldest = NULL;
|
list_for_each_entry(target, &wl->network_list, list) {
|
if (ether_addr_equal(&target->hwinfo->bssid[2],
|
&scan_info->bssid[2])) {
|
found = 1;
|
pr_debug("%s: same BBS found scanned list\n",
|
__func__);
|
break;
|
}
|
if (!oldest ||
|
(target->last_scanned < oldest->last_scanned))
|
oldest = target;
|
}
|
|
if (!found) {
|
/* not found in the list */
|
if (list_empty(&wl->network_free_list)) {
|
/* expire oldest */
|
target = oldest;
|
} else {
|
target = list_entry(wl->network_free_list.next,
|
struct gelic_wl_scan_info,
|
list);
|
}
|
}
|
|
/* update the item */
|
target->last_scanned = this_time;
|
target->valid = 1;
|
target->eurus_index = i;
|
kfree(target->hwinfo);
|
target->hwinfo = kmemdup(scan_info,
|
be16_to_cpu(scan_info->size),
|
GFP_KERNEL);
|
if (!target->hwinfo)
|
continue;
|
|
/* copy hw scan info */
|
target->essid_len = strnlen(scan_info->essid,
|
sizeof(scan_info->essid));
|
target->rate_len = 0;
|
for (r = 0; r < 12; r++)
|
if (scan_info->rate[r])
|
target->rate_len++;
|
if (8 < target->rate_len)
|
pr_info("%s: AP returns %d rates\n", __func__,
|
target->rate_len);
|
target->rate_ext_len = 0;
|
for (r = 0; r < 16; r++)
|
if (scan_info->ext_rate[r])
|
target->rate_ext_len++;
|
list_move_tail(&target->list, &wl->network_list);
|
}
|
memset(&data, 0, sizeof(data));
|
wireless_send_event(port_to_netdev(wl_port(wl)), SIOCGIWSCAN, &data,
|
NULL);
|
out:
|
free_page((unsigned long)buf);
|
complete(&wl->scan_done);
|
mutex_unlock(&wl->scan_lock);
|
pr_debug("%s:end\n", __func__);
|
}
|
|
/*
|
* Select an appropriate bss from current scan list regarding
|
* current settings from userspace.
|
* The caller must hold wl->scan_lock,
|
* and on the state of wl->scan_state == GELIC_WL_SCAN_GOT_LIST
|
*/
|
static void update_best(struct gelic_wl_scan_info **best,
|
struct gelic_wl_scan_info *candid,
|
int *best_weight,
|
int *weight)
|
{
|
if (*best_weight < ++(*weight)) {
|
*best_weight = *weight;
|
*best = candid;
|
}
|
}
|
|
static
|
struct gelic_wl_scan_info *gelic_wl_find_best_bss(struct gelic_wl_info *wl)
|
{
|
struct gelic_wl_scan_info *scan_info;
|
struct gelic_wl_scan_info *best_bss;
|
int weight, best_weight;
|
u16 security;
|
|
pr_debug("%s: <-\n", __func__);
|
|
best_bss = NULL;
|
best_weight = 0;
|
|
list_for_each_entry(scan_info, &wl->network_list, list) {
|
pr_debug("%s: station %p\n", __func__, scan_info);
|
|
if (!scan_info->valid) {
|
pr_debug("%s: station invalid\n", __func__);
|
continue;
|
}
|
|
/* If bss specified, check it only */
|
if (test_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat)) {
|
if (ether_addr_equal(&scan_info->hwinfo->bssid[2],
|
wl->bssid)) {
|
best_bss = scan_info;
|
pr_debug("%s: bssid matched\n", __func__);
|
break;
|
} else {
|
pr_debug("%s: bssid unmatched\n", __func__);
|
continue;
|
}
|
}
|
|
weight = 0;
|
|
/* security */
|
security = be16_to_cpu(scan_info->hwinfo->security) &
|
GELIC_EURUS_SCAN_SEC_MASK;
|
if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA2) {
|
if (security == GELIC_EURUS_SCAN_SEC_WPA2)
|
update_best(&best_bss, scan_info,
|
&best_weight, &weight);
|
else
|
continue;
|
} else if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA) {
|
if (security == GELIC_EURUS_SCAN_SEC_WPA)
|
update_best(&best_bss, scan_info,
|
&best_weight, &weight);
|
else
|
continue;
|
} else if (wl->wpa_level == GELIC_WL_WPA_LEVEL_NONE &&
|
wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
|
if (security == GELIC_EURUS_SCAN_SEC_WEP)
|
update_best(&best_bss, scan_info,
|
&best_weight, &weight);
|
else
|
continue;
|
}
|
|
/* If ESSID is set, check it */
|
if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat)) {
|
if ((scan_info->essid_len == wl->essid_len) &&
|
!strncmp(wl->essid,
|
scan_info->hwinfo->essid,
|
scan_info->essid_len))
|
update_best(&best_bss, scan_info,
|
&best_weight, &weight);
|
else
|
continue;
|
}
|
}
|
|
#ifdef DEBUG
|
pr_debug("%s: -> bss=%p\n", __func__, best_bss);
|
if (best_bss) {
|
pr_debug("%s:addr=%pM\n", __func__,
|
&best_bss->hwinfo->bssid[2]);
|
}
|
#endif
|
return best_bss;
|
}
|
|
/*
|
* Setup WEP configuration to the chip
|
* The caller must hold wl->scan_lock,
|
* and on the state of wl->scan_state == GELIC_WL_SCAN_GOT_LIST
|
*/
|
static int gelic_wl_do_wep_setup(struct gelic_wl_info *wl)
|
{
|
unsigned int i;
|
struct gelic_eurus_wep_cfg *wep;
|
struct gelic_eurus_cmd *cmd;
|
int wep104 = 0;
|
int have_key = 0;
|
int ret = 0;
|
|
pr_debug("%s: <-\n", __func__);
|
/* we can assume no one should uses the buffer */
|
wep = (struct gelic_eurus_wep_cfg *)__get_free_page(GFP_KERNEL);
|
if (!wep)
|
return -ENOMEM;
|
|
memset(wep, 0, sizeof(*wep));
|
|
if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
|
pr_debug("%s: WEP mode\n", __func__);
|
for (i = 0; i < GELIC_WEP_KEYS; i++) {
|
if (!test_bit(i, &wl->key_enabled))
|
continue;
|
|
pr_debug("%s: key#%d enabled\n", __func__, i);
|
have_key = 1;
|
if (wl->key_len[i] == 13)
|
wep104 = 1;
|
else if (wl->key_len[i] != 5) {
|
pr_info("%s: wrong wep key[%d]=%d\n",
|
__func__, i, wl->key_len[i]);
|
ret = -EINVAL;
|
goto out;
|
}
|
memcpy(wep->key[i], wl->key[i], wl->key_len[i]);
|
}
|
|
if (!have_key) {
|
pr_info("%s: all wep key disabled\n", __func__);
|
ret = -EINVAL;
|
goto out;
|
}
|
|
if (wep104) {
|
pr_debug("%s: 104bit key\n", __func__);
|
wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_104BIT);
|
} else {
|
pr_debug("%s: 40bit key\n", __func__);
|
wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_40BIT);
|
}
|
} else {
|
pr_debug("%s: NO encryption\n", __func__);
|
wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_NONE);
|
}
|
|
/* issue wep setup */
|
cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_WEP_CFG,
|
wep, sizeof(*wep));
|
if (!cmd)
|
ret = -ENOMEM;
|
else if (cmd->status || cmd->cmd_status)
|
ret = -ENXIO;
|
|
kfree(cmd);
|
out:
|
free_page((unsigned long)wep);
|
pr_debug("%s: ->\n", __func__);
|
return ret;
|
}
|
|
#ifdef DEBUG
|
static const char *wpasecstr(enum gelic_eurus_wpa_security sec)
|
{
|
switch (sec) {
|
case GELIC_EURUS_WPA_SEC_NONE:
|
return "NONE";
|
case GELIC_EURUS_WPA_SEC_WPA_TKIP_TKIP:
|
return "WPA_TKIP_TKIP";
|
case GELIC_EURUS_WPA_SEC_WPA_TKIP_AES:
|
return "WPA_TKIP_AES";
|
case GELIC_EURUS_WPA_SEC_WPA_AES_AES:
|
return "WPA_AES_AES";
|
case GELIC_EURUS_WPA_SEC_WPA2_TKIP_TKIP:
|
return "WPA2_TKIP_TKIP";
|
case GELIC_EURUS_WPA_SEC_WPA2_TKIP_AES:
|
return "WPA2_TKIP_AES";
|
case GELIC_EURUS_WPA_SEC_WPA2_AES_AES:
|
return "WPA2_AES_AES";
|
}
|
return "";
|
};
|
#endif
|
|
static int gelic_wl_do_wpa_setup(struct gelic_wl_info *wl)
|
{
|
struct gelic_eurus_wpa_cfg *wpa;
|
struct gelic_eurus_cmd *cmd;
|
u16 security;
|
int ret = 0;
|
|
pr_debug("%s: <-\n", __func__);
|
/* we can assume no one should uses the buffer */
|
wpa = (struct gelic_eurus_wpa_cfg *)__get_free_page(GFP_KERNEL);
|
if (!wpa)
|
return -ENOMEM;
|
|
memset(wpa, 0, sizeof(*wpa));
|
|
if (!test_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat))
|
pr_info("%s: PSK not configured yet\n", __func__);
|
|
/* copy key */
|
memcpy(wpa->psk, wl->psk, wl->psk_len);
|
|
/* set security level */
|
if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA2) {
|
if (wl->group_cipher_method == GELIC_WL_CIPHER_AES) {
|
security = GELIC_EURUS_WPA_SEC_WPA2_AES_AES;
|
} else {
|
if (wl->pairwise_cipher_method == GELIC_WL_CIPHER_AES &&
|
precise_ie())
|
security = GELIC_EURUS_WPA_SEC_WPA2_TKIP_AES;
|
else
|
security = GELIC_EURUS_WPA_SEC_WPA2_TKIP_TKIP;
|
}
|
} else {
|
if (wl->group_cipher_method == GELIC_WL_CIPHER_AES) {
|
security = GELIC_EURUS_WPA_SEC_WPA_AES_AES;
|
} else {
|
if (wl->pairwise_cipher_method == GELIC_WL_CIPHER_AES &&
|
precise_ie())
|
security = GELIC_EURUS_WPA_SEC_WPA_TKIP_AES;
|
else
|
security = GELIC_EURUS_WPA_SEC_WPA_TKIP_TKIP;
|
}
|
}
|
wpa->security = cpu_to_be16(security);
|
|
/* PSK type */
|
wpa->psk_type = cpu_to_be16(wl->psk_type);
|
#ifdef DEBUG
|
pr_debug("%s: sec=%s psktype=%s\n", __func__,
|
wpasecstr(wpa->security),
|
(wpa->psk_type == GELIC_EURUS_WPA_PSK_BIN) ?
|
"BIN" : "passphrase");
|
#if 0
|
/*
|
* don't enable here if you plan to submit
|
* the debug log because this dumps your precious
|
* passphrase/key.
|
*/
|
pr_debug("%s: psk=%s\n", __func__,
|
(wpa->psk_type == GELIC_EURUS_WPA_PSK_BIN) ?
|
"N/A" : wpa->psk);
|
#endif
|
#endif
|
/* issue wpa setup */
|
cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_WPA_CFG,
|
wpa, sizeof(*wpa));
|
if (!cmd)
|
ret = -ENOMEM;
|
else if (cmd->status || cmd->cmd_status)
|
ret = -ENXIO;
|
kfree(cmd);
|
free_page((unsigned long)wpa);
|
pr_debug("%s: --> %d\n", __func__, ret);
|
return ret;
|
}
|
|
/*
|
* Start association. caller must hold assoc_stat_lock
|
*/
|
static int gelic_wl_associate_bss(struct gelic_wl_info *wl,
|
struct gelic_wl_scan_info *bss)
|
{
|
struct gelic_eurus_cmd *cmd;
|
struct gelic_eurus_common_cfg *common;
|
int ret = 0;
|
unsigned long rc;
|
|
pr_debug("%s: <-\n", __func__);
|
|
/* do common config */
|
common = (struct gelic_eurus_common_cfg *)__get_free_page(GFP_KERNEL);
|
if (!common)
|
return -ENOMEM;
|
|
memset(common, 0, sizeof(*common));
|
common->bss_type = cpu_to_be16(GELIC_EURUS_BSS_INFRA);
|
common->op_mode = cpu_to_be16(GELIC_EURUS_OPMODE_11BG);
|
|
common->scan_index = cpu_to_be16(bss->eurus_index);
|
switch (wl->auth_method) {
|
case GELIC_EURUS_AUTH_OPEN:
|
common->auth_method = cpu_to_be16(GELIC_EURUS_AUTH_OPEN);
|
break;
|
case GELIC_EURUS_AUTH_SHARED:
|
common->auth_method = cpu_to_be16(GELIC_EURUS_AUTH_SHARED);
|
break;
|
}
|
|
#ifdef DEBUG
|
scan_list_dump(wl);
|
#endif
|
pr_debug("%s: common cfg index=%d bsstype=%d auth=%d\n", __func__,
|
be16_to_cpu(common->scan_index),
|
be16_to_cpu(common->bss_type),
|
be16_to_cpu(common->auth_method));
|
|
cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_COMMON_CFG,
|
common, sizeof(*common));
|
if (!cmd || cmd->status || cmd->cmd_status) {
|
ret = -ENOMEM;
|
kfree(cmd);
|
goto out;
|
}
|
kfree(cmd);
|
|
/* WEP/WPA */
|
switch (wl->wpa_level) {
|
case GELIC_WL_WPA_LEVEL_NONE:
|
/* If WEP or no security, setup WEP config */
|
ret = gelic_wl_do_wep_setup(wl);
|
break;
|
case GELIC_WL_WPA_LEVEL_WPA:
|
case GELIC_WL_WPA_LEVEL_WPA2:
|
ret = gelic_wl_do_wpa_setup(wl);
|
break;
|
}
|
|
if (ret) {
|
pr_debug("%s: WEP/WPA setup failed %d\n", __func__,
|
ret);
|
ret = -EPERM;
|
gelic_wl_send_iwap_event(wl, NULL);
|
goto out;
|
}
|
|
/* start association */
|
init_completion(&wl->assoc_done);
|
wl->assoc_stat = GELIC_WL_ASSOC_STAT_ASSOCIATING;
|
cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_ASSOC,
|
NULL, 0);
|
if (!cmd || cmd->status || cmd->cmd_status) {
|
pr_debug("%s: assoc request failed\n", __func__);
|
wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
|
kfree(cmd);
|
ret = -ENOMEM;
|
gelic_wl_send_iwap_event(wl, NULL);
|
goto out;
|
}
|
kfree(cmd);
|
|
/* wait for connected event */
|
rc = wait_for_completion_timeout(&wl->assoc_done, HZ * 4);/*FIXME*/
|
|
if (!rc) {
|
/* timeouted. Maybe key or cyrpt mode is wrong */
|
pr_info("%s: connect timeout\n", __func__);
|
cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC,
|
NULL, 0);
|
kfree(cmd);
|
wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
|
gelic_wl_send_iwap_event(wl, NULL);
|
ret = -ENXIO;
|
} else {
|
wl->assoc_stat = GELIC_WL_ASSOC_STAT_ASSOCIATED;
|
/* copy bssid */
|
memcpy(wl->active_bssid, &bss->hwinfo->bssid[2], ETH_ALEN);
|
|
/* send connect event */
|
gelic_wl_send_iwap_event(wl, wl->active_bssid);
|
pr_info("%s: connected\n", __func__);
|
}
|
out:
|
free_page((unsigned long)common);
|
pr_debug("%s: ->\n", __func__);
|
return ret;
|
}
|
|
/*
|
* connected event
|
*/
|
static void gelic_wl_connected_event(struct gelic_wl_info *wl,
|
u64 event)
|
{
|
u64 desired_event = 0;
|
|
switch (wl->wpa_level) {
|
case GELIC_WL_WPA_LEVEL_NONE:
|
desired_event = GELIC_LV1_WL_EVENT_CONNECTED;
|
break;
|
case GELIC_WL_WPA_LEVEL_WPA:
|
case GELIC_WL_WPA_LEVEL_WPA2:
|
desired_event = GELIC_LV1_WL_EVENT_WPA_CONNECTED;
|
break;
|
}
|
|
if (desired_event == event) {
|
pr_debug("%s: completed\n", __func__);
|
complete(&wl->assoc_done);
|
netif_carrier_on(port_to_netdev(wl_port(wl)));
|
} else
|
pr_debug("%s: event %#llx under wpa\n",
|
__func__, event);
|
}
|
|
/*
|
* disconnect event
|
*/
|
static void gelic_wl_disconnect_event(struct gelic_wl_info *wl,
|
u64 event)
|
{
|
struct gelic_eurus_cmd *cmd;
|
int lock;
|
|
/*
|
* If we fall here in the middle of association,
|
* associate_bss() should be waiting for complation of
|
* wl->assoc_done.
|
* As it waits with timeout, just leave assoc_done
|
* uncompleted, then it terminates with timeout
|
*/
|
if (!mutex_trylock(&wl->assoc_stat_lock)) {
|
pr_debug("%s: already locked\n", __func__);
|
lock = 0;
|
} else {
|
pr_debug("%s: obtain lock\n", __func__);
|
lock = 1;
|
}
|
|
cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC, NULL, 0);
|
kfree(cmd);
|
|
/* send disconnected event to the supplicant */
|
if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
|
gelic_wl_send_iwap_event(wl, NULL);
|
|
wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
|
netif_carrier_off(port_to_netdev(wl_port(wl)));
|
|
if (lock)
|
mutex_unlock(&wl->assoc_stat_lock);
|
}
|
/*
|
* event worker
|
*/
|
#ifdef DEBUG
|
static const char *eventstr(enum gelic_lv1_wl_event event)
|
{
|
static char buf[32];
|
char *ret;
|
if (event & GELIC_LV1_WL_EVENT_DEVICE_READY)
|
ret = "EURUS_READY";
|
else if (event & GELIC_LV1_WL_EVENT_SCAN_COMPLETED)
|
ret = "SCAN_COMPLETED";
|
else if (event & GELIC_LV1_WL_EVENT_DEAUTH)
|
ret = "DEAUTH";
|
else if (event & GELIC_LV1_WL_EVENT_BEACON_LOST)
|
ret = "BEACON_LOST";
|
else if (event & GELIC_LV1_WL_EVENT_CONNECTED)
|
ret = "CONNECTED";
|
else if (event & GELIC_LV1_WL_EVENT_WPA_CONNECTED)
|
ret = "WPA_CONNECTED";
|
else if (event & GELIC_LV1_WL_EVENT_WPA_ERROR)
|
ret = "WPA_ERROR";
|
else {
|
sprintf(buf, "Unknown(%#x)", event);
|
ret = buf;
|
}
|
return ret;
|
}
|
#else
|
static const char *eventstr(enum gelic_lv1_wl_event event)
|
{
|
return NULL;
|
}
|
#endif
|
static void gelic_wl_event_worker(struct work_struct *work)
|
{
|
struct gelic_wl_info *wl;
|
struct gelic_port *port;
|
u64 event, tmp;
|
int status;
|
|
pr_debug("%s:start\n", __func__);
|
wl = container_of(work, struct gelic_wl_info, event_work.work);
|
port = wl_port(wl);
|
while (1) {
|
status = lv1_net_control(bus_id(port->card), dev_id(port->card),
|
GELIC_LV1_GET_WLAN_EVENT, 0, 0, 0,
|
&event, &tmp);
|
if (status) {
|
if (status != LV1_NO_ENTRY)
|
pr_debug("%s:wlan event failed %d\n",
|
__func__, status);
|
/* got all events */
|
pr_debug("%s:end\n", __func__);
|
return;
|
}
|
pr_debug("%s: event=%s\n", __func__, eventstr(event));
|
switch (event) {
|
case GELIC_LV1_WL_EVENT_SCAN_COMPLETED:
|
gelic_wl_scan_complete_event(wl);
|
break;
|
case GELIC_LV1_WL_EVENT_BEACON_LOST:
|
case GELIC_LV1_WL_EVENT_DEAUTH:
|
gelic_wl_disconnect_event(wl, event);
|
break;
|
case GELIC_LV1_WL_EVENT_CONNECTED:
|
case GELIC_LV1_WL_EVENT_WPA_CONNECTED:
|
gelic_wl_connected_event(wl, event);
|
break;
|
default:
|
break;
|
}
|
} /* while */
|
}
|
/*
|
* association worker
|
*/
|
static void gelic_wl_assoc_worker(struct work_struct *work)
|
{
|
struct gelic_wl_info *wl;
|
|
struct gelic_wl_scan_info *best_bss;
|
int ret;
|
unsigned long irqflag;
|
u8 *essid;
|
size_t essid_len;
|
|
wl = container_of(work, struct gelic_wl_info, assoc_work.work);
|
|
mutex_lock(&wl->assoc_stat_lock);
|
|
if (wl->assoc_stat != GELIC_WL_ASSOC_STAT_DISCONN)
|
goto out;
|
|
spin_lock_irqsave(&wl->lock, irqflag);
|
if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat)) {
|
pr_debug("%s: assoc ESSID configured %s\n", __func__,
|
wl->essid);
|
essid = wl->essid;
|
essid_len = wl->essid_len;
|
} else {
|
essid = NULL;
|
essid_len = 0;
|
}
|
spin_unlock_irqrestore(&wl->lock, irqflag);
|
|
ret = gelic_wl_start_scan(wl, 0, essid, essid_len);
|
if (ret == -ERESTARTSYS) {
|
pr_debug("%s: scan start failed association\n", __func__);
|
schedule_delayed_work(&wl->assoc_work, HZ/10); /*FIXME*/
|
goto out;
|
} else if (ret) {
|
pr_info("%s: scan prerequisite failed\n", __func__);
|
goto out;
|
}
|
|
/*
|
* Wait for bss scan completion
|
* If we have scan list already, gelic_wl_start_scan()
|
* returns OK and raises the complete. Thus,
|
* it's ok to wait unconditionally here
|
*/
|
wait_for_completion(&wl->scan_done);
|
|
pr_debug("%s: scan done\n", __func__);
|
mutex_lock(&wl->scan_lock);
|
if (wl->scan_stat != GELIC_WL_SCAN_STAT_GOT_LIST) {
|
gelic_wl_send_iwap_event(wl, NULL);
|
pr_info("%s: no scan list. association failed\n", __func__);
|
goto scan_lock_out;
|
}
|
|
/* find best matching bss */
|
best_bss = gelic_wl_find_best_bss(wl);
|
if (!best_bss) {
|
gelic_wl_send_iwap_event(wl, NULL);
|
pr_info("%s: no bss matched. association failed\n", __func__);
|
goto scan_lock_out;
|
}
|
|
/* ok, do association */
|
ret = gelic_wl_associate_bss(wl, best_bss);
|
if (ret)
|
pr_info("%s: association failed %d\n", __func__, ret);
|
scan_lock_out:
|
mutex_unlock(&wl->scan_lock);
|
out:
|
mutex_unlock(&wl->assoc_stat_lock);
|
}
|
/*
|
* Interrupt handler
|
* Called from the ethernet interrupt handler
|
* Processes wireless specific virtual interrupts only
|
*/
|
void gelic_wl_interrupt(struct net_device *netdev, u64 status)
|
{
|
struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
|
|
if (status & GELIC_CARD_WLAN_COMMAND_COMPLETED) {
|
pr_debug("%s:cmd complete\n", __func__);
|
complete(&wl->cmd_done_intr);
|
}
|
|
if (status & GELIC_CARD_WLAN_EVENT_RECEIVED) {
|
pr_debug("%s:event received\n", __func__);
|
queue_delayed_work(wl->event_queue, &wl->event_work, 0);
|
}
|
}
|
|
/*
|
* driver helpers
|
*/
|
static const iw_handler gelic_wl_wext_handler[] =
|
{
|
IW_HANDLER(SIOCGIWNAME, gelic_wl_get_name),
|
IW_HANDLER(SIOCGIWRANGE, gelic_wl_get_range),
|
IW_HANDLER(SIOCSIWSCAN, gelic_wl_set_scan),
|
IW_HANDLER(SIOCGIWSCAN, gelic_wl_get_scan),
|
IW_HANDLER(SIOCSIWAUTH, gelic_wl_set_auth),
|
IW_HANDLER(SIOCGIWAUTH, gelic_wl_get_auth),
|
IW_HANDLER(SIOCSIWESSID, gelic_wl_set_essid),
|
IW_HANDLER(SIOCGIWESSID, gelic_wl_get_essid),
|
IW_HANDLER(SIOCSIWENCODE, gelic_wl_set_encode),
|
IW_HANDLER(SIOCGIWENCODE, gelic_wl_get_encode),
|
IW_HANDLER(SIOCSIWAP, gelic_wl_set_ap),
|
IW_HANDLER(SIOCGIWAP, gelic_wl_get_ap),
|
IW_HANDLER(SIOCSIWENCODEEXT, gelic_wl_set_encodeext),
|
IW_HANDLER(SIOCGIWENCODEEXT, gelic_wl_get_encodeext),
|
IW_HANDLER(SIOCSIWMODE, gelic_wl_set_mode),
|
IW_HANDLER(SIOCGIWMODE, gelic_wl_get_mode),
|
IW_HANDLER(SIOCGIWNICKN, gelic_wl_get_nick),
|
};
|
|
static const struct iw_handler_def gelic_wl_wext_handler_def = {
|
.num_standard = ARRAY_SIZE(gelic_wl_wext_handler),
|
.standard = gelic_wl_wext_handler,
|
.get_wireless_stats = gelic_wl_get_wireless_stats,
|
};
|
|
static struct net_device *gelic_wl_alloc(struct gelic_card *card)
|
{
|
struct net_device *netdev;
|
struct gelic_port *port;
|
struct gelic_wl_info *wl;
|
unsigned int i;
|
|
pr_debug("%s:start\n", __func__);
|
netdev = alloc_etherdev(sizeof(struct gelic_port) +
|
sizeof(struct gelic_wl_info));
|
pr_debug("%s: netdev =%p card=%p\n", __func__, netdev, card);
|
if (!netdev)
|
return NULL;
|
|
strcpy(netdev->name, "wlan%d");
|
|
port = netdev_priv(netdev);
|
port->netdev = netdev;
|
port->card = card;
|
port->type = GELIC_PORT_WIRELESS;
|
|
wl = port_wl(port);
|
pr_debug("%s: wl=%p port=%p\n", __func__, wl, port);
|
|
/* allocate scan list */
|
wl->networks = kcalloc(GELIC_WL_BSS_MAX_ENT,
|
sizeof(struct gelic_wl_scan_info),
|
GFP_KERNEL);
|
|
if (!wl->networks)
|
goto fail_bss;
|
|
wl->eurus_cmd_queue = create_singlethread_workqueue("gelic_cmd");
|
if (!wl->eurus_cmd_queue)
|
goto fail_cmd_workqueue;
|
|
wl->event_queue = create_singlethread_workqueue("gelic_event");
|
if (!wl->event_queue)
|
goto fail_event_workqueue;
|
|
INIT_LIST_HEAD(&wl->network_free_list);
|
INIT_LIST_HEAD(&wl->network_list);
|
for (i = 0; i < GELIC_WL_BSS_MAX_ENT; i++)
|
list_add_tail(&wl->networks[i].list,
|
&wl->network_free_list);
|
init_completion(&wl->cmd_done_intr);
|
|
INIT_DELAYED_WORK(&wl->event_work, gelic_wl_event_worker);
|
INIT_DELAYED_WORK(&wl->assoc_work, gelic_wl_assoc_worker);
|
mutex_init(&wl->scan_lock);
|
mutex_init(&wl->assoc_stat_lock);
|
|
init_completion(&wl->scan_done);
|
/* for the case that no scan request is issued and stop() is called */
|
complete(&wl->scan_done);
|
|
spin_lock_init(&wl->lock);
|
|
wl->scan_age = 5*HZ; /* FIXME */
|
|
/* buffer for receiving scanned list etc */
|
BUILD_BUG_ON(PAGE_SIZE <
|
sizeof(struct gelic_eurus_scan_info) *
|
GELIC_EURUS_MAX_SCAN);
|
pr_debug("%s:end\n", __func__);
|
return netdev;
|
|
fail_event_workqueue:
|
destroy_workqueue(wl->eurus_cmd_queue);
|
fail_cmd_workqueue:
|
kfree(wl->networks);
|
fail_bss:
|
free_netdev(netdev);
|
pr_debug("%s:end error\n", __func__);
|
return NULL;
|
|
}
|
|
static void gelic_wl_free(struct gelic_wl_info *wl)
|
{
|
struct gelic_wl_scan_info *scan_info;
|
unsigned int i;
|
|
pr_debug("%s: <-\n", __func__);
|
|
pr_debug("%s: destroy queues\n", __func__);
|
destroy_workqueue(wl->eurus_cmd_queue);
|
destroy_workqueue(wl->event_queue);
|
|
scan_info = wl->networks;
|
for (i = 0; i < GELIC_WL_BSS_MAX_ENT; i++, scan_info++)
|
kfree(scan_info->hwinfo);
|
kfree(wl->networks);
|
|
free_netdev(port_to_netdev(wl_port(wl)));
|
|
pr_debug("%s: ->\n", __func__);
|
}
|
|
static int gelic_wl_try_associate(struct net_device *netdev)
|
{
|
struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
|
int ret = -1;
|
unsigned int i;
|
|
pr_debug("%s: <-\n", __func__);
|
|
/* check constraits for start association */
|
/* for no access restriction AP */
|
if (wl->group_cipher_method == GELIC_WL_CIPHER_NONE) {
|
if (test_bit(GELIC_WL_STAT_CONFIGURED,
|
&wl->stat))
|
goto do_associate;
|
else {
|
pr_debug("%s: no wep, not configured\n", __func__);
|
return ret;
|
}
|
}
|
|
/* for WEP, one of four keys should be set */
|
if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
|
/* one of keys set */
|
for (i = 0; i < GELIC_WEP_KEYS; i++) {
|
if (test_bit(i, &wl->key_enabled))
|
goto do_associate;
|
}
|
pr_debug("%s: WEP, but no key specified\n", __func__);
|
return ret;
|
}
|
|
/* for WPA[2], psk should be set */
|
if ((wl->group_cipher_method == GELIC_WL_CIPHER_TKIP) ||
|
(wl->group_cipher_method == GELIC_WL_CIPHER_AES)) {
|
if (test_bit(GELIC_WL_STAT_WPA_PSK_SET,
|
&wl->stat))
|
goto do_associate;
|
else {
|
pr_debug("%s: AES/TKIP, but PSK not configured\n",
|
__func__);
|
return ret;
|
}
|
}
|
|
do_associate:
|
ret = schedule_delayed_work(&wl->assoc_work, 0);
|
pr_debug("%s: start association work %d\n", __func__, ret);
|
return ret;
|
}
|
|
/*
|
* netdev handlers
|
*/
|
static int gelic_wl_open(struct net_device *netdev)
|
{
|
struct gelic_card *card = netdev_card(netdev);
|
|
pr_debug("%s:->%p\n", __func__, netdev);
|
|
gelic_card_up(card);
|
|
/* try to associate */
|
gelic_wl_try_associate(netdev);
|
|
netif_start_queue(netdev);
|
|
pr_debug("%s:<-\n", __func__);
|
return 0;
|
}
|
|
/*
|
* reset state machine
|
*/
|
static int gelic_wl_reset_state(struct gelic_wl_info *wl)
|
{
|
struct gelic_wl_scan_info *target;
|
struct gelic_wl_scan_info *tmp;
|
|
/* empty scan list */
|
list_for_each_entry_safe(target, tmp, &wl->network_list, list) {
|
list_move_tail(&target->list, &wl->network_free_list);
|
}
|
wl->scan_stat = GELIC_WL_SCAN_STAT_INIT;
|
|
/* clear configuration */
|
wl->auth_method = GELIC_EURUS_AUTH_OPEN;
|
wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
|
wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE;
|
wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
|
|
wl->key_enabled = 0;
|
wl->current_key = 0;
|
|
wl->psk_type = GELIC_EURUS_WPA_PSK_PASSPHRASE;
|
wl->psk_len = 0;
|
|
wl->essid_len = 0;
|
memset(wl->essid, 0, sizeof(wl->essid));
|
memset(wl->bssid, 0, sizeof(wl->bssid));
|
memset(wl->active_bssid, 0, sizeof(wl->active_bssid));
|
|
wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
|
|
memset(&wl->iwstat, 0, sizeof(wl->iwstat));
|
/* all status bit clear */
|
wl->stat = 0;
|
return 0;
|
}
|
|
/*
|
* Tell eurus to terminate association
|
*/
|
static void gelic_wl_disconnect(struct net_device *netdev)
|
{
|
struct gelic_port *port = netdev_priv(netdev);
|
struct gelic_wl_info *wl = port_wl(port);
|
struct gelic_eurus_cmd *cmd;
|
|
/*
|
* If scann process is running on chip,
|
* further requests will be rejected
|
*/
|
if (wl->scan_stat == GELIC_WL_SCAN_STAT_SCANNING)
|
wait_for_completion_timeout(&wl->scan_done, HZ);
|
|
cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC, NULL, 0);
|
kfree(cmd);
|
gelic_wl_send_iwap_event(wl, NULL);
|
};
|
|
static int gelic_wl_stop(struct net_device *netdev)
|
{
|
struct gelic_port *port = netdev_priv(netdev);
|
struct gelic_wl_info *wl = port_wl(port);
|
struct gelic_card *card = netdev_card(netdev);
|
|
pr_debug("%s:<-\n", __func__);
|
|
/*
|
* Cancel pending association work.
|
* event work can run after netdev down
|
*/
|
cancel_delayed_work(&wl->assoc_work);
|
|
if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
|
gelic_wl_disconnect(netdev);
|
|
/* reset our state machine */
|
gelic_wl_reset_state(wl);
|
|
netif_stop_queue(netdev);
|
|
gelic_card_down(card);
|
|
pr_debug("%s:->\n", __func__);
|
return 0;
|
}
|
|
/* -- */
|
|
static const struct net_device_ops gelic_wl_netdevice_ops = {
|
.ndo_open = gelic_wl_open,
|
.ndo_stop = gelic_wl_stop,
|
.ndo_start_xmit = gelic_net_xmit,
|
.ndo_set_rx_mode = gelic_net_set_multi,
|
.ndo_tx_timeout = gelic_net_tx_timeout,
|
.ndo_set_mac_address = eth_mac_addr,
|
.ndo_validate_addr = eth_validate_addr,
|
#ifdef CONFIG_NET_POLL_CONTROLLER
|
.ndo_poll_controller = gelic_net_poll_controller,
|
#endif
|
};
|
|
static const struct ethtool_ops gelic_wl_ethtool_ops = {
|
.get_drvinfo = gelic_net_get_drvinfo,
|
.get_link = gelic_wl_get_link,
|
};
|
|
static void gelic_wl_setup_netdev_ops(struct net_device *netdev)
|
{
|
struct gelic_wl_info *wl;
|
wl = port_wl(netdev_priv(netdev));
|
BUG_ON(!wl);
|
netdev->watchdog_timeo = GELIC_NET_WATCHDOG_TIMEOUT;
|
|
netdev->ethtool_ops = &gelic_wl_ethtool_ops;
|
netdev->netdev_ops = &gelic_wl_netdevice_ops;
|
netdev->wireless_data = &wl->wireless_data;
|
netdev->wireless_handlers = &gelic_wl_wext_handler_def;
|
}
|
|
/*
|
* driver probe/remove
|
*/
|
int gelic_wl_driver_probe(struct gelic_card *card)
|
{
|
int ret;
|
struct net_device *netdev;
|
|
pr_debug("%s:start\n", __func__);
|
|
if (ps3_compare_firmware_version(1, 6, 0) < 0)
|
return 0;
|
if (!card->vlan[GELIC_PORT_WIRELESS].tx)
|
return 0;
|
|
/* alloc netdevice for wireless */
|
netdev = gelic_wl_alloc(card);
|
if (!netdev)
|
return -ENOMEM;
|
|
/* setup net_device structure */
|
SET_NETDEV_DEV(netdev, &card->dev->core);
|
gelic_wl_setup_netdev_ops(netdev);
|
|
/* setup some of net_device and register it */
|
ret = gelic_net_setup_netdev(netdev, card);
|
if (ret)
|
goto fail_setup;
|
card->netdev[GELIC_PORT_WIRELESS] = netdev;
|
|
/* add enable wireless interrupt */
|
card->irq_mask |= GELIC_CARD_WLAN_EVENT_RECEIVED |
|
GELIC_CARD_WLAN_COMMAND_COMPLETED;
|
/* to allow wireless commands while both interfaces are down */
|
gelic_card_set_irq_mask(card, GELIC_CARD_WLAN_EVENT_RECEIVED |
|
GELIC_CARD_WLAN_COMMAND_COMPLETED);
|
pr_debug("%s:end\n", __func__);
|
return 0;
|
|
fail_setup:
|
gelic_wl_free(port_wl(netdev_port(netdev)));
|
|
return ret;
|
}
|
|
int gelic_wl_driver_remove(struct gelic_card *card)
|
{
|
struct gelic_wl_info *wl;
|
struct net_device *netdev;
|
|
pr_debug("%s:start\n", __func__);
|
|
if (ps3_compare_firmware_version(1, 6, 0) < 0)
|
return 0;
|
if (!card->vlan[GELIC_PORT_WIRELESS].tx)
|
return 0;
|
|
netdev = card->netdev[GELIC_PORT_WIRELESS];
|
wl = port_wl(netdev_priv(netdev));
|
|
/* if the interface was not up, but associated */
|
if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
|
gelic_wl_disconnect(netdev);
|
|
complete(&wl->cmd_done_intr);
|
|
/* cancel all work queue */
|
cancel_delayed_work(&wl->assoc_work);
|
cancel_delayed_work(&wl->event_work);
|
flush_workqueue(wl->eurus_cmd_queue);
|
flush_workqueue(wl->event_queue);
|
|
unregister_netdev(netdev);
|
|
/* disable wireless interrupt */
|
pr_debug("%s: disable intr\n", __func__);
|
card->irq_mask &= ~(GELIC_CARD_WLAN_EVENT_RECEIVED |
|
GELIC_CARD_WLAN_COMMAND_COMPLETED);
|
/* free bss list, netdev*/
|
gelic_wl_free(wl);
|
pr_debug("%s:end\n", __func__);
|
return 0;
|
}
|
