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ps3_gelic_wireless.c
2681 lines (2354 loc) · 68.3 KB
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ps3_gelic_wireless.c
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/*
* 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__);