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2655 lines
67 KiB
2655 lines
67 KiB
// 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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|
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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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|
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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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|
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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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|
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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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|
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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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/* |
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* tables |
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*/ |
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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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|
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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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/* |
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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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|
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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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|
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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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|
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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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|
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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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|
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u64 arg1, arg2; |
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|
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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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|
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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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|
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wait_for_completion(&wl->cmd_done_intr); |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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/* |
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* wireless extension handlers and helpers |
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*/ |
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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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|
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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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|
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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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|
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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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|
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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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|
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range->we_version_compiled = WIRELESS_EXT; |
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range->we_version_source = 22; |
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|
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/* available channels and frequencies */ |
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gelic_wl_get_ch_info(wl); |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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pr_debug("%s: ->\n", __func__); |
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return 0; |
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|
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} |
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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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|
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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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|
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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; |
|
|
|
/* 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 */ |
|
|
|
/* AKM count is 1 */ |
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*buf++ = 0x01; |
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*buf++ = 0x00; |
|
|
|
/* 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 */ |
|
|
|
/* 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; |
|
} |
|
|
|
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) |
|
{ |
|
size_t data_left = len; |
|
u8 *pos = data; |
|
u8 item_len; |
|
u8 item_id; |
|
|
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pr_debug("%s: data=%p len=%ld\n", __func__, |
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data, len); |
|
memset(ie_info, 0, sizeof(struct ie_info)); |
|
|
|
while (2 <= data_left) { |
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item_id = *pos++; |
|
item_len = *pos++; |
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data_left -= 2; |
|
|
|
if (data_left < item_len) |
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break; |
|
|
|
switch (item_id) { |
|
case WLAN_EID_VENDOR_SPECIFIC: |
|
if ((OUI_LEN + 1 <= item_len) && |
|
!memcmp(pos, wpa_oui, OUI_LEN) && |
|
pos[OUI_LEN] == 0x01) { |
|
ie_info->wpa.data = pos - 2; |
|
ie_info->wpa.len = item_len + 2; |
|
} |
|
break; |
|
case WLAN_EID_RSN: |
|
ie_info->rsn.data = pos - 2; |
|
/* length includes the header */ |
|
ie_info->rsn.len = item_len + 2; |
|
break; |
|
default: |
|
pr_debug("%s: ignore %#x,%d\n", __func__, |
|
item_id, item_len); |
|
break; |
|
} |
|
pos += item_len; |
|
data_left -= item_len; |
|
} |
|
pr_debug("%s: wpa=%p,%d wpa2=%p,%d\n", __func__, |
|
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, |
|
char *ev, |
|
char *stop, |
|
struct gelic_wl_scan_info *network) |
|
{ |
|
struct iw_event iwe; |
|
struct gelic_eurus_scan_info *scan = network->hwinfo; |
|
char *tmp; |
|
u8 rate; |
|
unsigned int i, j, len; |
|
u8 buf[64]; /* arbitrary size large enough */ |
|
|
|
pr_debug("%s: <-\n", __func__); |
|
|
|
/* first entry should be AP's mac address */ |
|
iwe.cmd = SIOCGIWAP; |
|
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 */ |
|
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; |
|
}
|
|
|