set(carl9170_main_src src/main.c src/wlan.c src/fw.c src/gpio.c
src/cmd.c src/uart.c src/dma.c src/hostif.c src/reboot.S
- src/printf.c src/rf.c src/cam.c)
+ src/printf.c src/rf.c src/cam.c src/wol.c)
set(carl9170_lib_src src/ashlsi3.S src/memcpy.S src/memset.S src/udivsi3_i4i-Os.S)
set(carl9170_usb_src usb/main.c usb/usb.c usb/fifo.c)
struct carl9170_bar_ctx ba_cache[CONFIG_CARL9170FW_BACK_REQS_NUM];
unsigned int ba_tail_idx,
ba_head_idx;
-
-#ifdef CONFIG_CARL9170FW_WOL
- struct {
- struct carl9170_wol_cmd cmd;
- unsigned int last_beacon;
- unsigned int lost_null;
- unsigned int last_null;
- bool wake_up;
- } wol;
-#endif /* CONFIG_CARL9170FW_WOL */
} wlan;
struct {
struct carl9170_tally_rsp tally;
unsigned int tx_time;
+#ifdef CONFIG_CARL9170FW_WOL
+ struct {
+ struct carl9170_wol_cmd cmd;
+ unsigned int last_beacon;
+ unsigned int lost_null;
+ unsigned int last_null;
+ bool wake_up;
+ } wol;
+#endif /* CONFIG_CARL9170FW_WOL */
+
#ifdef CONFIG_CARL9170FW_GPIO_INTERRUPT
struct carl9170_gpio cached_gpio_state;
#endif /*CONFIG_CARL9170FW_GPIO_INTERRUPT */
tsf[1] = get(AR9170_MAC_REG_TSF_H);
}
+/* This function will only work on uint32_t-aligned pointers! */
+static inline bool compare_ether_address(const void *_d0, const void *_d1)
+{
+ const uint32_t *d0 = _d0;
+ const uint32_t *d1 = _d1;
+
+ /* BUG_ON((unsigned long)d0 & 3 || (unsigned long)d1 & 3)) */
+ return !((d0[0] ^ d1[0]) | (unsigned short)(d0[1] ^ d1[1]));
+}
+
void wlan_tx(struct dma_desc *desc);
+void wlan_tx_fw(struct carl9170_tx_superdesc *super, fw_desc_callback_t cb);
void wlan_timer(void);
void handle_wlan(void);
--- /dev/null
+/*
+ * carl9170 firmware - used by the ar9170 wireless device
+ *
+ * WakeUp on WLAN definitions
+ *
+ * Copyright (c) 2000-2005 ZyDAS Technology Corporation
+ * Copyright (c) 2007-2009 Atheros Communications, Inc.
+ * Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
+ * Copyright 2009-2011 Christian Lamparter <chunkeey@googlemail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef __CARL9170FW_WOL_H
+#define __CARL9170FW_WOL_H
+
+#include "config.h"
+#include "compiler.h"
+#include "types.h"
+
+#include "fwcmd.h"
+
+#ifdef CONFIG_CARL9170FW_WOL
+
+struct ieee80211_hdr;
+
+void wol_prepare(void);
+void wol_janitor(void);
+void wol_rx(const unsigned int rx_filter __unused, const struct ieee80211_hdr *hdr __unused, const unsigned int len __unused);
+void wol_cmd(const struct carl9170_wol_cmd *cmd);
+
+#else
+
+inline static void wol_cmd(const struct carl9170_wol_cmd *cmd __unused)
+{
+}
+
+inline static void wol_prepare(void)
+{
+}
+
+inline static void wol_janitor(void)
+{
+}
+
+inline static void wol_rx(const unsigned int rx_filter __unused, const struct ieee80211_hdr *hdr __unused, const unsigned int len __unused)
+{
+}
+#endif /* CONFIG_CARL9170FW_WOL */
+
+#endif /* __CARL9170FW_CMD_H */
#include "printf.h"
#include "timer.h"
#include "wl.h"
+#include "wol.h"
void handle_cmd(struct carl9170_rsp *resp)
{
fw.wlan.rx_filter = cmd->rx_filter.rx_filter;
break;
-#ifdef CONFIG_CARL9170FW_WOL
case CARL9170_CMD_WOL:
- memcpy(&fw.wlan.wol.cmd, &cmd->wol, sizeof(cmd->wol));
+ wol_cmd(&cmd->wol);
break;
-#endif /* CONFIG_CARL9170FW_WOL */
case CARL9170_CMD_TALLY:
resp->hdr.len = sizeof(struct carl9170_tally_rsp);
#include "printf.h"
#include "rf.h"
#include "linux/ieee80211.h"
+#include "wol.h"
static void wlan_txunstuck(unsigned int queue)
{
return (ieee80211_get_qos_ctl(hdr))[0] & IEEE80211_QOS_CTL_TID_MASK;
}
-/* This function will only work on uint32_t-aligned pointers! */
-static inline bool compare_ether_address(const void *_d0, const void *_d1)
-{
- const uint32_t *d0 = _d0;
- const uint32_t *d1 = _d1;
-
- /* BUG_ON((unsigned long)d0 & 3 || (unsigned long)d1 & 3)) */
- return !((d0[0] ^ d1[0]) | (unsigned short)(d0[1] ^ d1[1]));
-}
-
/* This function will only work on uint32_t-aligned pointers! */
static bool same_hdr(const void *_d0, const void *_d1)
{
wlan_trigger(BIT(super->s.queue));
}
-static void wlan_tx_fw(struct carl9170_tx_superdesc *super, fw_desc_callback_t cb)
+void wlan_tx_fw(struct carl9170_tx_superdesc *super, fw_desc_callback_t cb)
{
if (!fw.wlan.fw_desc_available)
return;
}
}
-#ifdef CONFIG_CARL9170FW_WOL
-void wlan_prepare_wol(void)
-{
- /* set MAC filter */
- memcpy((void *)AR9170_MAC_REG_MAC_ADDR_L, fw.wlan.wol.cmd.mac, 6);
- memcpy((void *)AR9170_MAC_REG_BSSID_L, fw.wlan.wol.cmd.bssid, 6);
- set(AR9170_MAC_REG_RX_CONTROL, AR9170_MAC_RX_CTRL_DEAGG);
-
- /* set filter policy to: discard everything */
- fw.wlan.rx_filter = CARL9170_RX_FILTER_EVERYTHING;
-
- /* reenable rx dma */
- wlan_trigger(AR9170_DMA_TRIGGER_RXQ);
-
- /* initialize the last_beacon timer */
- fw.wlan.wol.last_null = fw.wlan.wol.last_beacon = get_clock_counter();
-}
-
-#ifdef CONFIG_CARL9170FW_WOL_NL80211_TRIGGERS
-static bool wlan_rx_wol_magic_packet(struct ieee80211_hdr *hdr, unsigned int len)
-{
- const unsigned char *data, *end, *mac;
- unsigned int found = 0;
-
- /*
- * LIMITATION:
- * We can only scan the first AR9170_BLOCK_SIZE [=~320] bytes
- * for MAGIC patterns!
- */
-
- mac = (const unsigned char *) AR9170_MAC_REG_MAC_ADDR_L;
-
- data = (u8 *)((unsigned long)hdr + ieee80211_hdrlen(hdr->frame_control));
- end = (u8 *)((unsigned long)hdr + len);
-
- /*
- * scan for standard WOL Magic frame
- *
- * "A physical WakeOnLAN (Magic Packet) will look like this:
- * ---------------------------------------------------------------
- * | Synchronization Stream | Target MAC | Password (optional) |
- * | 6 octets | 96 octets | 0, 4 or 6 |
- * ---------------------------------------------------------------
- *
- * The Synchronization Stream is defined as 6 bytes of FFh.
- * The Target MAC block contains 16 duplications of the IEEEaddress
- * of the target, with no breaks or interruptions.
- *
- * The Password field is optional, but if present, contains either
- * 4 bytes or 6 bytes. The WakeOnLAN dissector was implemented to
- * dissect the password, if present, according to the command-line
- * format that ether-wake uses, therefore, if a 4-byte password is
- * present, it will be dissected as an IPv4 address and if a 6-byte
- * password is present, it will be dissected as an Ethernet address.
- *
- * <http://wiki.wireshark.org/WakeOnLAN>
- */
-
- while (data < end) {
- if (found >= 6) {
- if (*data == mac[found % 6])
- found++;
- else
- found = 0;
- }
-
- /* previous check might reset found counter */
- if (found < 6) {
- if (*data == 0xff)
- found++;
- else
- found = 0;
- }
-
- if (found == (6 + 16 * 6))
- return true;
-
- data++;
- }
-
- return false;
-}
-
-static void wlan_wol_connect_callback(void __unused *dummy, bool success)
-{
- if (success)
- fw.wlan.wol.lost_null = 0;
- else
- fw.wlan.wol.lost_null++;
-}
-
-static void wlan_wol_connection_monitor(void)
-{
- struct carl9170_tx_null_superframe *nullf = &dma_mem.reserved.cmd.null;
- struct ieee80211_hdr *null = (struct ieee80211_hdr *) &nullf->f.null;
-
- if (!fw.wlan.fw_desc_available)
- return;
-
- memset(nullf, 0, sizeof(*nullf));
-
- nullf->s.len = sizeof(struct carl9170_tx_superdesc) +
- sizeof(struct ar9170_tx_hwdesc) +
- sizeof(struct ieee80211_hdr);
- nullf->s.ri[0].tries = 3;
- nullf->s.assign_seq = true;
- nullf->s.queue = AR9170_TXQ_VO;
- nullf->f.hdr.length = sizeof(struct ieee80211_hdr) + FCS_LEN;
-
- nullf->f.hdr.mac.backoff = 1;
- nullf->f.hdr.mac.hw_duration = 1;
- nullf->f.hdr.mac.erp_prot = AR9170_TX_MAC_PROT_RTS;
-
- nullf->f.hdr.phy.modulation = AR9170_TX_PHY_MOD_OFDM;
- nullf->f.hdr.phy.bandwidth = AR9170_TX_PHY_BW_20MHZ;
- nullf->f.hdr.phy.chains = AR9170_TX_PHY_TXCHAIN_2;
- nullf->f.hdr.phy.tx_power = 29; /* 14.5 dBm */
- nullf->f.hdr.phy.mcs = AR9170_TXRX_PHY_RATE_OFDM_6M;
-
- /* format outgoing nullfunc */
- null->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
- IEEE80211_STYPE_NULLFUNC | IEEE80211_FCTL_TODS);
-
- memcpy(null->addr1, fw.wlan.wol.cmd.bssid, 6);
- memcpy(null->addr2, fw.wlan.wol.cmd.mac, 6);
- memcpy(null->addr3, fw.wlan.wol.cmd.bssid, 6);
-
- wlan_tx_fw(&nullf->s, wlan_wol_connect_callback);
-}
-
-static bool wlan_rx_wol_disconnect(const unsigned int rx_filter,
- struct ieee80211_hdr *hdr,
- unsigned int __unused len)
-{
- const unsigned char *bssid;
- bssid = (const unsigned char *) AR9170_MAC_REG_BSSID_L;
-
- /* should catch both broadcast and unicast MLMEs */
- if (!(rx_filter & CARL9170_RX_FILTER_OTHER_RA)) {
- if (ieee80211_is_deauth(hdr->frame_control) ||
- ieee80211_is_disassoc(hdr->frame_control))
- return true;
- }
-
- if (ieee80211_is_beacon(hdr->frame_control) &&
- compare_ether_address(hdr->addr3, bssid)) {
- fw.wlan.wol.last_beacon = get_clock_counter();
- }
-
- return false;
-}
-
-#endif /* CARL9170FW_WOL_NL80211_TRIGGERS */
-
-#ifdef CONFIG_CARL9170FW_WOL_PROBE_REQUEST
-
-/*
- * Note: CONFIG_CARL9170FW_WOL_PROBE_REQUEST_SSID is not a real
- * string. We have to be careful not to add a \0 at the end.
- */
-static const struct {
- u8 ssid_ie;
- u8 ssid_len;
- u8 ssid[sizeof(CONFIG_CARL9170FW_WOL_PROBE_REQUEST_SSID) - 1];
-} __packed probe_req = {
- .ssid_ie = WLAN_EID_SSID,
- .ssid_len = sizeof(CONFIG_CARL9170FW_WOL_PROBE_REQUEST_SSID) - 1,
- .ssid = CONFIG_CARL9170FW_WOL_PROBE_REQUEST_SSID,
-};
-
-static bool wlan_rx_wol_probe_ssid(struct ieee80211_hdr *hdr, unsigned int len)
-{
- const unsigned char *data, *end, *scan = (void *) &probe_req;
-
- /*
- * IEEE 802.11-2007 7.3.2.1 specifies that the SSID is no
- * longer than 32 octets.
- */
- BUILD_BUG_ON((sizeof(CONFIG_CARL9170FW_WOL_PROBE_REQUEST_SSID) - 1) > 32);
-
- if (ieee80211_is_probe_req(hdr->frame_control)) {
- unsigned int i;
- end = (u8 *)((unsigned long)hdr + len);
-
- /*
- * The position of the SSID information element inside
- * a probe request frame is more or less "fixed".
- */
- data = (u8 *)((struct ieee80211_mgmt *)hdr)->u.probe_req.variable;
- for (i = 0; i < (unsigned int)(probe_req.ssid_len + 1); i++) {
- if (data > end || scan[i] != data[i])
- return false;
- }
-
- return true;
- }
-
- return false;
-}
-#endif /* CONFIG_CARL9170FW_WOL_PROBE_REQUEST */
-
-static void wlan_rx_wol(unsigned int rx_filter __unused, struct ieee80211_hdr *hdr __unused, unsigned int len __unused)
-{
-#ifdef CONFIG_CARL9170FW_WOL_NL80211_TRIGGERS
- /* Disconnect is always enabled */
- if (fw.wlan.wol.cmd.flags & CARL9170_WOL_DISCONNECT &&
- rx_filter & CARL9170_RX_FILTER_MGMT)
- fw.wlan.wol.wake_up |= wlan_rx_wol_disconnect(rx_filter, hdr, len);
-
- if (fw.wlan.wol.cmd.flags & CARL9170_WOL_MAGIC_PKT &&
- rx_filter & CARL9170_RX_FILTER_DATA)
- fw.wlan.wol.wake_up |= wlan_rx_wol_magic_packet(hdr, len);
-#endif /* CONFIG_CARL9170FW_WOL_NL80211_TRIGGERS */
-
-#ifdef CONFIG_CARL9170FW_WOL_PROBE_REQUEST
- if (rx_filter & CARL9170_RX_FILTER_MGMT)
- fw.wlan.wol.wake_up |= wlan_rx_wol_probe_ssid(hdr, len);
-#endif /* CONFIG_CARL9170FW_WOL_PROBE_REQUEST */
-}
-
-static void wlan_wol_janitor(void)
-{
- if (unlikely(fw.suspend_mode == CARL9170_HOST_SUSPENDED)) {
- if (fw.wlan.wol.cmd.flags & CARL9170_WOL_DISCONNECT) {
- /*
- * connection lost after 10sec without receiving
- * a beacon
- */
- if (is_after_msecs(fw.wlan.wol.last_beacon, 10000))
- fw.wlan.wol.wake_up |= true;
-
- if (fw.wlan.wol.cmd.null_interval &&
- is_after_msecs(fw.wlan.wol.last_null, fw.wlan.wol.cmd.null_interval))
- wlan_wol_connection_monitor();
-
- if (fw.wlan.wol.lost_null >= 5)
- fw.wlan.wol.wake_up |= true;
- }
-
- if (fw.wlan.wol.wake_up) {
- fw.suspend_mode = CARL9170_AWAKE_HOST;
- set(AR9170_USB_REG_WAKE_UP, AR9170_USB_WAKE_UP_WAKE);
- }
- }
-}
-#endif /* CONFIG_CARL9170FW_WOL */
-
static unsigned int wlan_rx_filter(struct dma_desc *desc)
{
struct ieee80211_hdr *hdr;
#ifdef CONFIG_CARL9170FW_WOL
if (unlikely(fw.suspend_mode == CARL9170_HOST_SUSPENDED)) {
- wlan_rx_wol(rx_filter, hdr, min(data_len,
- (unsigned int)AR9170_BLOCK_SIZE));
+ wol_rx(rx_filter, hdr, min(data_len,
+ (unsigned int)AR9170_BLOCK_SIZE));
}
#endif /* CONFIG_CARL9170FW_WOL */
wlan_send_buffered_ba();
-#ifdef CONFIG_CARL9170FW_WOL
- wlan_wol_janitor();
-#endif /* CONFIG_CARL9170FW_WOL */
+ wol_janitor();
}
void handle_wlan(void)
--- /dev/null
+/*
+ * carl9170 firmware - used by the ar9170 wireless device
+ *
+ * WakeUp on WLAN functions
+ *
+ * Copyright 2011 Christian Lamparter <chunkeey@googlemail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "carl9170.h"
+#include "shared/phy.h"
+#include "timer.h"
+#include "wl.h"
+#include "printf.h"
+#include "rf.h"
+#include "wol.h"
+#include "linux/ieee80211.h"
+
+#ifdef CONFIG_CARL9170FW_WOL
+
+void wol_cmd(const struct carl9170_wol_cmd *cmd)
+{
+ memcpy(&fw.wol.cmd, cmd, sizeof(cmd));
+}
+
+void wol_prepare(void)
+{
+ /* set MAC filter */
+ memcpy((void *)AR9170_MAC_REG_MAC_ADDR_L, fw.wol.cmd.mac, 6);
+ memcpy((void *)AR9170_MAC_REG_BSSID_L, fw.wol.cmd.bssid, 6);
+ set(AR9170_MAC_REG_RX_CONTROL, AR9170_MAC_RX_CTRL_DEAGG);
+
+ /* set filter policy to: discard everything */
+ fw.wlan.rx_filter = CARL9170_RX_FILTER_EVERYTHING;
+
+ /* reenable rx dma */
+ wlan_trigger(AR9170_DMA_TRIGGER_RXQ);
+
+ /* initialize the last_beacon timer */
+ fw.wol.last_null = fw.wol.last_beacon = get_clock_counter();
+}
+
+#ifdef CONFIG_CARL9170FW_WOL_NL80211_TRIGGERS
+static bool wlan_rx_wol_magic_packet(const struct ieee80211_hdr *hdr, const unsigned int len)
+{
+ const unsigned char *data, *end, *mac;
+ unsigned int found = 0;
+
+ /*
+ * LIMITATION:
+ * We can only scan the first AR9170_BLOCK_SIZE [=~320] bytes
+ * for MAGIC patterns!
+ */
+
+ mac = (const unsigned char *) AR9170_MAC_REG_MAC_ADDR_L;
+
+ data = (u8 *)((unsigned long)hdr + ieee80211_hdrlen(hdr->frame_control));
+ end = (u8 *)((unsigned long)hdr + len);
+
+ /*
+ * scan for standard WOL Magic frame
+ *
+ * "A physical WakeOnLAN (Magic Packet) will look like this:
+ * ---------------------------------------------------------------
+ * | Synchronization Stream | Target MAC | Password (optional) |
+ * | 6 octets | 96 octets | 0, 4 or 6 |
+ * ---------------------------------------------------------------
+ *
+ * The Synchronization Stream is defined as 6 bytes of FFh.
+ * The Target MAC block contains 16 duplications of the IEEEaddress
+ * of the target, with no breaks or interruptions.
+ *
+ * The Password field is optional, but if present, contains either
+ * 4 bytes or 6 bytes. The WakeOnLAN dissector was implemented to
+ * dissect the password, if present, according to the command-line
+ * format that ether-wake uses, therefore, if a 4-byte password is
+ * present, it will be dissected as an IPv4 address and if a 6-byte
+ * password is present, it will be dissected as an Ethernet address.
+ *
+ * <http://wiki.wireshark.org/WakeOnLAN>
+ */
+
+ while (data < end) {
+ if (found >= 6) {
+ if (*data == mac[found % 6])
+ found++;
+ else
+ found = 0;
+ }
+
+ /* previous check might reset found counter */
+ if (found < 6) {
+ if (*data == 0xff)
+ found++;
+ else
+ found = 0;
+ }
+
+ if (found == (6 + 16 * 6))
+ return true;
+
+ data++;
+ }
+
+ return false;
+}
+
+static void wlan_wol_connect_callback(void __unused *dummy, bool success)
+{
+ if (success)
+ fw.wol.lost_null = 0;
+ else
+ fw.wol.lost_null++;
+}
+
+static void wlan_wol_connection_monitor(void)
+{
+ struct carl9170_tx_null_superframe *nullf = &dma_mem.reserved.cmd.null;
+ struct ieee80211_hdr *null = (struct ieee80211_hdr *) &nullf->f.null;
+
+ if (!fw.wlan.fw_desc_available)
+ return;
+
+ memset(nullf, 0, sizeof(*nullf));
+
+ nullf->s.len = sizeof(struct carl9170_tx_superdesc) +
+ sizeof(struct ar9170_tx_hwdesc) +
+ sizeof(struct ieee80211_hdr);
+ nullf->s.ri[0].tries = 3;
+ nullf->s.assign_seq = true;
+ nullf->s.queue = AR9170_TXQ_VO;
+ nullf->f.hdr.length = sizeof(struct ieee80211_hdr) + FCS_LEN;
+
+ nullf->f.hdr.mac.backoff = 1;
+ nullf->f.hdr.mac.hw_duration = 1;
+ nullf->f.hdr.mac.erp_prot = AR9170_TX_MAC_PROT_RTS;
+
+ nullf->f.hdr.phy.modulation = AR9170_TX_PHY_MOD_OFDM;
+ nullf->f.hdr.phy.bandwidth = AR9170_TX_PHY_BW_20MHZ;
+ nullf->f.hdr.phy.chains = AR9170_TX_PHY_TXCHAIN_2;
+ nullf->f.hdr.phy.tx_power = 29; /* 14.5 dBm */
+ nullf->f.hdr.phy.mcs = AR9170_TXRX_PHY_RATE_OFDM_6M;
+
+ /* format outgoing nullfunc */
+ null->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
+ IEEE80211_STYPE_NULLFUNC | IEEE80211_FCTL_TODS);
+
+ memcpy(null->addr1, fw.wol.cmd.bssid, 6);
+ memcpy(null->addr2, fw.wol.cmd.mac, 6);
+ memcpy(null->addr3, fw.wol.cmd.bssid, 6);
+
+ wlan_tx_fw(&nullf->s, wlan_wol_connect_callback);
+}
+
+static bool wlan_rx_wol_disconnect(const unsigned int rx_filter,
+ const struct ieee80211_hdr *hdr,
+ const unsigned int __unused len)
+{
+ const unsigned char *bssid;
+ bssid = (const unsigned char *) AR9170_MAC_REG_BSSID_L;
+
+ /* should catch both broadcast and unicast MLMEs */
+ if (!(rx_filter & CARL9170_RX_FILTER_OTHER_RA)) {
+ if (ieee80211_is_deauth(hdr->frame_control) ||
+ ieee80211_is_disassoc(hdr->frame_control))
+ return true;
+ }
+
+ if (ieee80211_is_beacon(hdr->frame_control) &&
+ compare_ether_address(hdr->addr3, bssid)) {
+ fw.wol.last_beacon = get_clock_counter();
+ }
+
+ return false;
+}
+
+#endif /* CARL9170FW_WOL_NL80211_TRIGGERS */
+
+#ifdef CONFIG_CARL9170FW_WOL_PROBE_REQUEST
+
+/*
+ * Note: CONFIG_CARL9170FW_WOL_PROBE_REQUEST_SSID is not a real
+ * string. We have to be careful not to add a \0 at the end.
+ */
+static const struct {
+ u8 ssid_ie;
+ u8 ssid_len;
+ u8 ssid[sizeof(CONFIG_CARL9170FW_WOL_PROBE_REQUEST_SSID) - 1];
+} __packed probe_req = {
+ .ssid_ie = WLAN_EID_SSID,
+ .ssid_len = sizeof(CONFIG_CARL9170FW_WOL_PROBE_REQUEST_SSID) - 1,
+ .ssid = CONFIG_CARL9170FW_WOL_PROBE_REQUEST_SSID,
+};
+
+static bool wlan_rx_wol_probe_ssid(const struct ieee80211_hdr *hdr, const unsigned int len)
+{
+ const unsigned char *data, *end, *scan = (void *) &probe_req;
+
+ /*
+ * IEEE 802.11-2007 7.3.2.1 specifies that the SSID is no
+ * longer than 32 octets.
+ */
+ BUILD_BUG_ON((sizeof(CONFIG_CARL9170FW_WOL_PROBE_REQUEST_SSID) - 1) > 32);
+
+ if (ieee80211_is_probe_req(hdr->frame_control)) {
+ unsigned int i;
+ end = (u8 *)((unsigned long)hdr + len);
+
+ /*
+ * The position of the SSID information element inside
+ * a probe request frame is more or less "fixed".
+ */
+ data = (u8 *)((struct ieee80211_mgmt *)hdr)->u.probe_req.variable;
+ for (i = 0; i < (unsigned int)(probe_req.ssid_len + 1); i++) {
+ if (data > end || scan[i] != data[i])
+ return false;
+ }
+
+ return true;
+ }
+
+ return false;
+}
+#endif /* CONFIG_CARL9170FW_WOL_PROBE_REQUEST */
+
+void wol_rx(const unsigned int rx_filter __unused, const struct ieee80211_hdr *hdr __unused, const unsigned int len __unused)
+{
+#ifdef CONFIG_CARL9170FW_WOL_NL80211_TRIGGERS
+ /* Disconnect is always enabled */
+ if (fw.wol.cmd.flags & CARL9170_WOL_DISCONNECT &&
+ rx_filter & CARL9170_RX_FILTER_MGMT)
+ fw.wol.wake_up |= wlan_rx_wol_disconnect(rx_filter, hdr, len);
+
+ if (fw.wol.cmd.flags & CARL9170_WOL_MAGIC_PKT &&
+ rx_filter & CARL9170_RX_FILTER_DATA)
+ fw.wol.wake_up |= wlan_rx_wol_magic_packet(hdr, len);
+#endif /* CONFIG_CARL9170FW_WOL_NL80211_TRIGGERS */
+
+#ifdef CONFIG_CARL9170FW_WOL_PROBE_REQUEST
+ if (rx_filter & CARL9170_RX_FILTER_MGMT)
+ fw.wol.wake_up |= wlan_rx_wol_probe_ssid(hdr, len);
+#endif /* CONFIG_CARL9170FW_WOL_PROBE_REQUEST */
+}
+
+void wol_janitor(void)
+{
+ if (unlikely(fw.suspend_mode == CARL9170_HOST_SUSPENDED)) {
+#ifdef CONFIG_CARL9170FW_WOL_NL80211_TRIGGERS
+ if (fw.wol.cmd.flags & CARL9170_WOL_DISCONNECT) {
+ /*
+ * connection lost after 10sec without receiving
+ * a beacon
+ */
+ if (is_after_msecs(fw.wol.last_beacon, 10000))
+ fw.wol.wake_up |= true;
+
+ if (fw.wol.cmd.null_interval &&
+ is_after_msecs(fw.wol.last_null, fw.wol.cmd.null_interval))
+ wlan_wol_connection_monitor();
+
+ if (fw.wol.lost_null >= 5)
+ fw.wol.wake_up |= true;
+ }
+#endif /* CONFIG_CARL9170FW_WOL_NL80211_TRIGGERS */
+
+ if (fw.wol.wake_up) {
+ fw.suspend_mode = CARL9170_AWAKE_HOST;
+ set(AR9170_USB_REG_WAKE_UP, AR9170_USB_WAKE_UP_WAKE);
+ }
+ }
+}
+#else
+
+#endif /* CONFIG_CARL9170FW_WOL */
#include "carl9170.h"
+#include "shared/phy.h"
#include "hostif.h"
#include "printf.h"
#include "timer.h"
#include "rom.h"
#include "wl.h"
-#include "shared/phy.h"
+#include "wol.h"
#ifdef CONFIG_CARL9170FW_DEBUG_USB
void usb_putc(const char c)
#ifdef CONFIG_CARL9170FW_WOL
if (!(fw.usb.device_feature & USB_DEVICE_REMOTE_WAKEUP) ||
- !fw.wlan.wol.cmd.flags) {
+ !fw.wol.cmd.flags) {
disable_watchdog();
/* GO_TO_SUSPEND stops the CPU clock too. */
orb(AR9170_USB_REG_MAIN_CTRL, AR9170_USB_MAIN_CTRL_GO_TO_SUSPEND);
} else {
- wlan_prepare_wol();
+ wol_prepare();
}
#else /* CONFIG_CARL9170FW_WOL */
disable_watchdog();
projects / carl9170fw.git / commitdiff