diff options
Diffstat (limited to 'drivers/net/ps3_gelic_wireless.c')
| -rw-r--r-- | drivers/net/ps3_gelic_wireless.c | 2681 |
1 files changed, 0 insertions, 2681 deletions
diff --git a/drivers/net/ps3_gelic_wireless.c b/drivers/net/ps3_gelic_wireless.c deleted file mode 100644 index 2e62938c0f82..000000000000 --- a/drivers/net/ps3_gelic_wireless.c +++ /dev/null @@ -1,2681 +0,0 @@ -/* - * PS3 gelic network driver. - * - * Copyright (C) 2007 Sony Computer Entertainment Inc. - * Copyright 2007 Sony Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ -#undef DEBUG - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/slab.h> - -#include <linux/etherdevice.h> -#include <linux/ethtool.h> -#include <linux/if_vlan.h> - -#include <linux/in.h> -#include <linux/ip.h> -#include <linux/tcp.h> -#include <linux/wireless.h> -#include <linux/ieee80211.h> -#include <linux/if_arp.h> -#include <linux/ctype.h> -#include <linux/string.h> -#include <net/iw_handler.h> - -#include <linux/dma-mapping.h> -#include <net/checksum.h> -#include <asm/firmware.h> -#include <asm/ps3.h> -#include <asm/lv1call.h> - -#include "ps3_gelic_net.h" -#include "ps3_gelic_wireless.h" - - -static int gelic_wl_start_scan(struct gelic_wl_info *wl, int always_scan, - u8 *essid, size_t essid_len); -static int gelic_wl_try_associate(struct net_device *netdev); - -/* - * tables - */ - -/* 802.11b/g channel to freq in MHz */ -static const int channel_freq[] = { - 2412, 2417, 2422, 2427, 2432, - 2437, 2442, 2447, 2452, 2457, - 2462, 2467, 2472, 2484 -}; -#define NUM_CHANNELS ARRAY_SIZE(channel_freq) - -/* in bps */ -static const int bitrate_list[] = { - 1000000, - 2000000, - 5500000, - 11000000, - 6000000, - 9000000, - 12000000, - 18000000, - 24000000, - 36000000, - 48000000, - 54000000 -}; -#define NUM_BITRATES ARRAY_SIZE(bitrate_list) - -/* - * wpa2 support requires the hypervisor version 2.0 or later - */ -static inline int wpa2_capable(void) -{ - return 0 <= ps3_compare_firmware_version(2, 0, 0); -} - -static inline int precise_ie(void) -{ - return 0 <= ps3_compare_firmware_version(2, 2, 0); -} -/* - * post_eurus_cmd helpers - */ -struct eurus_cmd_arg_info { - int pre_arg; /* command requires arg1, arg2 at POST COMMAND */ - int post_arg; /* command requires arg1, arg2 at GET_RESULT */ -}; - -static const struct eurus_cmd_arg_info cmd_info[GELIC_EURUS_CMD_MAX_INDEX] = { - [GELIC_EURUS_CMD_SET_COMMON_CFG] = { .pre_arg = 1}, - [GELIC_EURUS_CMD_SET_WEP_CFG] = { .pre_arg = 1}, - [GELIC_EURUS_CMD_SET_WPA_CFG] = { .pre_arg = 1}, - [GELIC_EURUS_CMD_GET_COMMON_CFG] = { .post_arg = 1}, - [GELIC_EURUS_CMD_GET_WEP_CFG] = { .post_arg = 1}, - [GELIC_EURUS_CMD_GET_WPA_CFG] = { .post_arg = 1}, - [GELIC_EURUS_CMD_GET_RSSI_CFG] = { .post_arg = 1}, - [GELIC_EURUS_CMD_START_SCAN] = { .pre_arg = 1}, - [GELIC_EURUS_CMD_GET_SCAN] = { .post_arg = 1}, -}; - -#ifdef DEBUG -static const char *cmdstr(enum gelic_eurus_command ix) -{ - switch (ix) { - case GELIC_EURUS_CMD_ASSOC: - return "ASSOC"; - case GELIC_EURUS_CMD_DISASSOC: - return "DISASSOC"; - case GELIC_EURUS_CMD_START_SCAN: - return "SCAN"; - case GELIC_EURUS_CMD_GET_SCAN: - return "GET SCAN"; - case GELIC_EURUS_CMD_SET_COMMON_CFG: - return "SET_COMMON_CFG"; - case GELIC_EURUS_CMD_GET_COMMON_CFG: - return "GET_COMMON_CFG"; - case GELIC_EURUS_CMD_SET_WEP_CFG: - return "SET_WEP_CFG"; - case GELIC_EURUS_CMD_GET_WEP_CFG: - return "GET_WEP_CFG"; - case GELIC_EURUS_CMD_SET_WPA_CFG: - return "SET_WPA_CFG"; - case GELIC_EURUS_CMD_GET_WPA_CFG: - return "GET_WPA_CFG"; - case GELIC_EURUS_CMD_GET_RSSI_CFG: - return "GET_RSSI"; - default: - break; - } - return ""; -}; -#else -static inline const char *cmdstr(enum gelic_eurus_command ix) -{ - return ""; -} -#endif - -/* synchronously do eurus commands */ -static void gelic_eurus_sync_cmd_worker(struct work_struct *work) -{ - struct gelic_eurus_cmd *cmd; - struct gelic_card *card; - struct gelic_wl_info *wl; - - u64 arg1, arg2; - - pr_debug("%s: <-\n", __func__); - cmd = container_of(work, struct gelic_eurus_cmd, work); - BUG_ON(cmd_info[cmd->cmd].pre_arg && - cmd_info[cmd->cmd].post_arg); - wl = cmd->wl; - card = port_to_card(wl_port(wl)); - - if (cmd_info[cmd->cmd].pre_arg) { - arg1 = (cmd->buffer) ? - ps3_mm_phys_to_lpar(__pa(cmd->buffer)) : - 0; - arg2 = cmd->buf_size; - } else { - arg1 = 0; - arg2 = 0; - } - init_completion(&wl->cmd_done_intr); - pr_debug("%s: cmd='%s' start\n", __func__, cmdstr(cmd->cmd)); - cmd->status = lv1_net_control(bus_id(card), dev_id(card), - GELIC_LV1_POST_WLAN_CMD, - cmd->cmd, arg1, arg2, - &cmd->tag, &cmd->size); - if (cmd->status) { - complete(&cmd->done); - pr_info("%s: cmd issue failed\n", __func__); - return; - } - - wait_for_completion(&wl->cmd_done_intr); - - if (cmd_info[cmd->cmd].post_arg) { - arg1 = ps3_mm_phys_to_lpar(__pa(cmd->buffer)); - arg2 = cmd->buf_size; - } else { - arg1 = 0; - arg2 = 0; - } - - cmd->status = lv1_net_control(bus_id(card), dev_id(card), - GELIC_LV1_GET_WLAN_CMD_RESULT, - cmd->tag, arg1, arg2, - &cmd->cmd_status, &cmd->size); -#ifdef DEBUG - if (cmd->status || cmd->cmd_status) { - pr_debug("%s: cmd done tag=%#lx arg1=%#lx, arg2=%#lx\n", __func__, - cmd->tag, arg1, arg2); - pr_debug("%s: cmd done status=%#x cmd_status=%#lx size=%#lx\n", - __func__, cmd->status, cmd->cmd_status, cmd->size); - } -#endif - complete(&cmd->done); - pr_debug("%s: cmd='%s' done\n", __func__, cmdstr(cmd->cmd)); -} - -static struct gelic_eurus_cmd *gelic_eurus_sync_cmd(struct gelic_wl_info *wl, - unsigned int eurus_cmd, - void *buffer, - unsigned int buf_size) -{ - struct gelic_eurus_cmd *cmd; - - /* allocate cmd */ - cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); - if (!cmd) - return NULL; - - /* initialize members */ - cmd->cmd = eurus_cmd; - cmd->buffer = buffer; - cmd->buf_size = buf_size; - cmd->wl = wl; - INIT_WORK(&cmd->work, gelic_eurus_sync_cmd_worker); - init_completion(&cmd->done); - queue_work(wl->eurus_cmd_queue, &cmd->work); - - /* wait for command completion */ - wait_for_completion(&cmd->done); - - return cmd; -} - -static u32 gelic_wl_get_link(struct net_device *netdev) -{ - struct gelic_wl_info *wl = port_wl(netdev_port(netdev)); - u32 ret; - - pr_debug("%s: <-\n", __func__); - mutex_lock(&wl->assoc_stat_lock); - if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) - ret = 1; - else - ret = 0; - mutex_unlock(&wl->assoc_stat_lock); - pr_debug("%s: ->\n", __func__); - return ret; -} - -static void gelic_wl_send_iwap_event(struct gelic_wl_info *wl, u8 *bssid) -{ - union iwreq_data data; - - memset(&data, 0, sizeof(data)); - if (bssid) - memcpy(data.ap_addr.sa_data, bssid, ETH_ALEN); - data.ap_addr.sa_family = ARPHRD_ETHER; - wireless_send_event(port_to_netdev(wl_port(wl)), SIOCGIWAP, - &data, NULL); -} - -/* - * wireless extension handlers and helpers - */ - -/* SIOGIWNAME */ -static int gelic_wl_get_name(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *iwreq, char *extra) -{ - strcpy(iwreq->name, "IEEE 802.11bg"); - return 0; -} - -static void gelic_wl_get_ch_info(struct gelic_wl_info *wl) -{ - struct gelic_card *card = port_to_card(wl_port(wl)); - u64 ch_info_raw, tmp; - int status; - - if (!test_and_set_bit(GELIC_WL_STAT_CH_INFO, &wl->stat)) { - status = lv1_net_control(bus_id(card), dev_id(card), - GELIC_LV1_GET_CHANNEL, 0, 0, 0, - &ch_info_raw, - &tmp); - /* some fw versions may return error */ - if (status) { - if (status != LV1_NO_ENTRY) - pr_info("%s: available ch unknown\n", __func__); - wl->ch_info = 0x07ff;/* 11 ch */ - } else - /* 16 bits of MSB has available channels */ - wl->ch_info = ch_info_raw >> 48; - } -} - -/* SIOGIWRANGE */ -static int gelic_wl_get_range(struct net_device *netdev, - struct iw_request_info *info, - union iwreq_data *iwreq, char *extra) -{ - struct iw_point *point = &iwreq->data; - struct iw_range *range = (struct iw_range *)extra; - struct gelic_wl_info *wl = port_wl(netdev_port(netdev)); - unsigned int i, chs; - - pr_debug("%s: <-\n", __func__); - point->length = sizeof(struct iw_range); - memset(range, 0, sizeof(struct iw_range)); - - range->we_version_compiled = WIRELESS_EXT; - range->we_version_source = 22; - - /* available channels and frequencies */ - gelic_wl_get_ch_info(wl); - - for (i = 0, chs = 0; - i < NUM_CHANNELS && chs < IW_MAX_FREQUENCIES; i++) - if (wl->ch_info & (1 << i)) { - range->freq[chs].i = i + 1; - range->freq[chs].m = channel_freq[i]; - range->freq[chs].e = 6; - chs++; - } - range->num_frequency = chs; - range->old_num_frequency = chs; - range->num_channels = chs; - range->old_num_channels = chs; - - /* bitrates */ - for (i = 0; i < NUM_BITRATES; i++) - range->bitrate[i] = bitrate_list[i]; - range->num_bitrates = i; - - /* signal levels */ - range->max_qual.qual = 100; /* relative value */ - range->max_qual.level = 100; - range->avg_qual.qual = 50; - range->avg_qual.level = 50; - range->sensitivity = 0; - - /* Event capability */ - IW_EVENT_CAPA_SET_KERNEL(range->event_capa); - IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP); - IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN); - - /* encryption capability */ - range->enc_capa = IW_ENC_CAPA_WPA | - IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP | - IW_ENC_CAPA_4WAY_HANDSHAKE; - if (wpa2_capable()) - range->enc_capa |= IW_ENC_CAPA_WPA2; - range->encoding_size[0] = 5; /* 40bit WEP */ - range->encoding_size[1] = 13; /* 104bit WEP */ - range->encoding_size[2] = 32; /* WPA-PSK */ - range->num_encoding_sizes = 3; - range->max_encoding_tokens = GELIC_WEP_KEYS; - - /* scan capability */ - range->scan_capa = IW_SCAN_CAPA_ESSID; - - pr_debug("%s: ->\n", __func__); - return 0; - -} - -/* SIOC{G,S}IWSCAN */ -static int gelic_wl_set_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 iw_scan_req *req; - u8 *essid = NULL; - size_t essid_len = 0; - - if (wrqu->data.length == sizeof(struct iw_scan_req) && - wrqu->data.flags & IW_SCAN_THIS_ESSID) { - req = (struct iw_scan_req*)extra; - essid = req->essid; - essid_len = req->essid_len; - pr_debug("%s: ESSID scan =%s\n", __func__, essid); - } - return gelic_wl_start_scan(wl, 1, essid, essid_len); -} - -#define OUI_LEN 3 -static const u8 rsn_oui[OUI_LEN] = { 0x00, 0x0f, 0xac }; -static const u8 wpa_oui[OUI_LEN] = { 0x00, 0x50, 0xf2 }; - -/* - * synthesize WPA/RSN IE data - * See WiFi WPA specification and IEEE 802.11-2007 7.3.2.25 - * for the format - */ -static size_t gelic_wl_synthesize_ie(u8 *buf, - struct gelic_eurus_scan_info *scan) -{ - - const u8 *oui_header; - u8 *start = buf; - int rsn; - int ccmp; - - pr_debug("%s: <- sec=%16x\n", __func__, scan->security); - switch (be16_to_cpu(scan->security) & GELIC_EURUS_SCAN_SEC_MASK) { - case GELIC_EURUS_SCAN_SEC_WPA: - rsn = 0; - break; - case GELIC_EURUS_SCAN_SEC_WPA2: - rsn = 1; - break; - default: - /* WEP or none. No IE returned */ - return 0; - } - - switch (be16_to_cpu(scan->security) & GELIC_EURUS_SCAN_SEC_WPA_MASK) { - case GELIC_EURUS_SCAN_SEC_WPA_TKIP: - ccmp = 0; - break; - case GELIC_EURUS_SCAN_SEC_WPA_AES: - ccmp = 1; - break; - default: - if (rsn) { - ccmp = 1; - pr_info("%s: no cipher info. defaulted to CCMP\n", - __func__); - } else { - ccmp = 0; - pr_info("%s: no cipher info. defaulted to TKIP\n", - __func__); - } - } - - if (rsn) - oui_header = rsn_oui; - else - oui_header = wpa_oui; - - /* element id */ - if (rsn) - *buf++ = WLAN_EID_RSN; - else - *buf++ = WLAN_EID_GENERIC; - - /* length filed; set later */ - buf++; - - /* wpa special header */ - if (!rsn) { - memcpy(buf, wpa_oui, OUI_LEN); - buf += OUI_LEN; - *buf++ = 0x01; - } - - /* version */ - *buf++ = 0x01; /* version 1.0 */ - *buf++ = 0x00; - - /* group cipher */ - memcpy(buf, oui_header, OUI_LEN); - buf += OUI_LEN; - - if (ccmp) - *buf++ = 0x04; /* CCMP */ - else - *buf++ = 0x02; /* TKIP */ - - /* pairwise key count always 1 */ - *buf++ = 0x01; - *buf++ = 0x00; - - /* pairwise key suit */ - memcpy(buf, oui_header, OUI_LEN); - buf += OUI_LEN; - if (ccmp) - *buf++ = 0x04; /* CCMP */ - else - *buf++ = 0x02; /* TKIP */ - - /* AKM count is 1 */ - *buf++ = 0x01; - *buf++ = 0x00; - - /* AKM suite is assumed as PSK*/ - memcpy(buf, oui_header, OUI_LEN); - buf += OUI_LEN; - *buf++ = 0x02; /* PSK */ - - /* RSN capabilities is 0 */ - *buf++ = 0x00; - *buf++ = 0x00; - - /* set length field */ - start[1] = (buf - start - 2); - - pr_debug("%s: ->\n", __func__); - return buf - start; -} - -struct ie_item { - u8 *data; - u8 len; -}; - -struct ie_info { - struct ie_item wpa; - struct ie_item rsn; -}; - -static void gelic_wl_parse_ie(u8 *data, size_t len, - struct ie_info *ie_info) -{ - size_t data_left = len; - u8 *pos = data; - u8 item_len; - u8 item_id; - - pr_debug("%s: data=%p len=%ld\n", __func__, - data, len); - memset(ie_info, 0, sizeof(struct ie_info)); - - while (2 <= data_left) { - item_id = *pos++; - item_len = *pos++; - data_left -= 2; - - if (data_left < item_len) - break; - - switch (item_id) { - case WLAN_EID_GENERIC: - 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; - break; - - case GELIC_WL_SCAN_STAT_INIT: - /* last scan request failed or never issued */ - ret = -ENODEV; - goto out; - break; - 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; - /* intentionally fall through */ - 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, index_specified; - 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) { - index_specified = 1; - key_index--; - } else { - index_specified = 0; - 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); - memset(wl->bssid, 0, ETH_ALEN); - } - 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 - memset(data->ap_addr.sa_data, 0, ETH_ALEN); - - 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 (!compare_ether_addr(&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 = kzalloc(be16_to_cpu(scan_info->size), - GFP_KERNEL); - if (!target->hwinfo) { - pr_info("%s: kzalloc failed\n", __func__); - continue; - } - /* copy hw scan info */ - memcpy(target->hwinfo, scan_info, scan_info->size); - 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 (!compare_ether_addr(&scan_info->hwinfo->bssid[2], - wl->bssid)) { - best_bss = scan_info; - pr_debug("%s: bssid matched\n", __func__); - break; - } else { - pr_debug("%s: bssid unmached\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"; - break; - case GELIC_EURUS_WPA_SEC_WPA_TKIP_TKIP: - return "WPA_TKIP_TKIP"; - break; - case GELIC_EURUS_WPA_SEC_WPA_TKIP_AES: - return "WPA_TKIP_AES"; - break; - case GELIC_EURUS_WPA_SEC_WPA_AES_AES: - return "WPA_AES_AES"; - break; - case GELIC_EURUS_WPA_SEC_WPA2_TKIP_TKIP: - return "WPA2_TKIP_TKIP"; - break; - case GELIC_EURUS_WPA_SEC_WPA2_TKIP_AES: - return "WPA2_TKIP_AES"; - break; - case GELIC_EURUS_WPA_SEC_WPA2_AES_AES: - return "WPA2_AES_AES"; - break; - } - 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 * __devinit 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 = kzalloc(sizeof(struct gelic_wl_scan_info) * - GELIC_WL_BSS_MAX_ENT, 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_multicast_list = gelic_net_set_multi, - .ndo_change_mtu = gelic_net_change_mtu, - .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 __devinit 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 __devinit 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; -} |
