tools/src/miniboot a carlfw/carl9170.fw minifw/miniboot.fw
fi
+
+ if [ "$CONFIG_CARL9170FW_BUILD_TOOLS" = "y" ]; then
+ echo -n "Prepare firmware image..."
+ tools/src/fwprepare carlfw/carl9170.fw
+ fi
+
sudo install -m 644 carlfw/carl9170.fw \
/lib/firmware/carl9170-$CONFIG_CARL9170FW_RELEASE_VERSION.fw
echo "done."
def_bool y
prompt "Experimental Features"
+config CARL9170FW_RADAR
+ def_bool n
+ prompt "Radar pattern generator"
+ depends on CARL9170FW_EXPERIMENTAL
+ ---help---
+ With this option enabled, the firmware can generate random
+ transmission pattern that might fool a reciever to believe
+ that there is an active radar on the channel.
+ Note: sadly, no SDR here.
+
config CARL9170FW_WOL_OPTION
def_bool n
prompt "Wakeup on WLAN"
#include "dma.h"
#include "usb.h"
#include "cmd.h"
+#include "radar.h"
struct carl9170_bar_ctx {
uint8_t ta[6];
queued_ba;
unsigned int queued_bar;
+
+#ifdef CONFIG_CARL9170FW_RADAR
+ unsigned int soft_radar,
+ radar_last,
+ pattern_index;
+#endif /* CONFIG_CARL9170FW_RADAR */
} wlan;
struct {
struct carl9170fw_wol_desc wol;
#endif /* CONFIG_CARL9170FW_WOL */
struct carl9170fw_motd_desc motd;
+#ifdef CONFIG_CARL9170FW_RADAR
+ struct carl9170fw_radar_desc radar;
+#endif /* CONFIG_CARL9170FW_RADAR */
struct carl9170fw_dbg_desc dbg;
struct carl9170fw_last_desc last;
} __packed;
--- /dev/null
+/*
+ * carl9170 firmware - used by the ar9170 wireless device
+ *
+ * Radar pulse definitions
+ *
+ * Copyright 2012 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_RADAR_H
+#define __CARL9170FW_RADAR_H
+
+#include "generated/autoconf.h"
+#include "types.h"
+#include "compiler.h"
+#include "fwdesc.h"
+
+enum RADAR_TYPE {
+ NO_RADAR = 0,
+ ONE_KHZ,
+ TEN_KHZ,
+
+ ONE_TWO_KHZ,
+
+ FCC1,
+ FCC4,
+
+ ETSIFIXED,
+
+ /* keep last */
+ __CARL9170FW_NUM_RADARS
+};
+
+struct radar_info {
+ unsigned int pulses;
+ const struct radar_info_pattern *pattern;
+};
+
+struct radar_info_pattern {
+ unsigned int pulse_width;
+ unsigned int pulse_interval;
+ uint32_t pulse_pattern;
+ uint32_t pulse_mode;
+};
+
+static const struct radar_info_pattern radar_NO_RADAR[0] = { };
+static const struct radar_info_pattern radar_ONE_KHZ[] = {
+ {
+ .pulse_width = 1,
+ .pulse_interval = 1000,
+ .pulse_pattern = 0xa7438080,
+ .pulse_mode = 0x5f01,
+ },
+};
+
+static const struct radar_info_pattern radar_TEN_KHZ[] = {
+ {
+ .pulse_width = 1,
+ .pulse_interval = 100,
+ .pulse_pattern = 0x436f0001,
+ .pulse_mode = 0x5f01,
+ },
+};
+
+static const struct radar_info_pattern radar_ONE_TWO_KHZ[] = {
+ {
+ .pulse_width = 1,
+ .pulse_interval = 1000,
+ .pulse_pattern = 0xa7438080,
+ .pulse_mode = 0x5f01,
+ },
+
+ {
+ .pulse_width = 10,
+ .pulse_interval = 500,
+ .pulse_pattern = 0xa7431001,
+ .pulse_mode = 0x5f01,
+ },
+};
+
+/*
+ * Data taken from:
+ * <http://linuxwireless.org/en/developers/DFS>
+ */
+
+/* FCC Test Signal 1 - 1us pulse, 1428 us interval */
+static const struct radar_info_pattern radar_FCC1[] = {
+ {
+ .pulse_width = 1,
+ .pulse_interval = 1428,
+ .pulse_pattern = 0xa7438080,
+ .pulse_mode = 0x5f01,
+ },
+};
+
+/* FCC Test Signal 4 - 11-20us pulse, 200-500 us interval */
+static const struct radar_info_pattern radar_FCC4[] = {
+ {
+ .pulse_width = 11,
+ .pulse_interval = 200,
+ .pulse_pattern = 0xf3128008,
+ .pulse_mode = 0x5f01,
+ },
+};
+
+/* ETSI Test Signal 1 (Fixed) - 1us Pulse, 750 us interval */
+static const struct radar_info_pattern radar_ETSIFIXED[] = {
+ {
+ .pulse_width = 1,
+ .pulse_interval = 750,
+ .pulse_pattern = 0x8a5f8080,
+ .pulse_mode = 0x5f01,
+ },
+};
+
+
+#define ADD_RADAR(name) [name] = { .pulses = ARRAY_SIZE(radar_## name), .pattern = radar_## name }
+
+static const struct radar_info radars[__CARL9170FW_NUM_RADARS] = {
+ ADD_RADAR(NO_RADAR),
+ ADD_RADAR(ONE_KHZ),
+ ADD_RADAR(TEN_KHZ),
+ ADD_RADAR(ONE_TWO_KHZ),
+ ADD_RADAR(FCC1),
+ ADD_RADAR(FCC4),
+ ADD_RADAR(ETSIFIXED),
+};
+
+#define MAP_ENTRY(idx) [idx] = { .index = idx, .name = # idx , }
+#define NAMED_MAP_ENTRY(idx, named) [idx] = {.index = idx, .name = named, }
+
+static const struct carl9170fw_radar_map_entry radar_names[__CARL9170FW_NUM_RADARS] = {
+ MAP_ENTRY(NO_RADAR),
+ MAP_ENTRY(ONE_KHZ),
+ MAP_ENTRY(TEN_KHZ),
+ MAP_ENTRY(ONE_TWO_KHZ),
+
+ MAP_ENTRY(FCC1),
+ MAP_ENTRY(FCC4),
+
+ MAP_ENTRY(ETSIFIXED),
+};
+
+#endif /* __CARL9170FW_RADAR_H */
return ((get_clock_counter() - t0) / 1000) > (msecs * fw.ticks_per_usec);
}
+static inline __inline bool is_after_usecs(const uint32_t t0, const uint32_t usecs)
+{
+ return ((get_clock_counter() - t0)) > (usecs * fw.ticks_per_usec);
+}
+
/*
* Note: Be careful with [u]delay. They won't service the
* hardware watchdog timer. It might trigger if you
#ifdef CONFIG_CARL9170FW_WOL
BIT(CARL9170FW_WOL) |
#endif /* CONFIG_CARL9170FW_WOL */
+#ifdef CONFIG_CARL9170FW_RADAR
+ BIT(CARL9170FW_RADAR_PATTERN_GENERATOR) |
+#endif /* CONFIG_CARL9170FW_RADAR */
(0)),
.miniboot_size = cpu_to_le16(0),
),
#endif /* CONFIG_CARL9170FW_WOL */
-
FILL(motd, MOTD,
.fw_year_month_day = cpu_to_le32(
CARL9170FW_SET_DAY(CARL9170FW_VERSION_DAY) +
.desc = "Community AR9170 Linux",
.release = CARL9170FW_VERSION_GIT),
+
+#ifdef CONFIG_CARL9170FW_RADAR
+ FILL(radar, RADAR,
+ .soft_radar = cpu_to_le32(&fw.wlan.soft_radar),
+ .num_radars = __CARL9170FW_NUM_RADARS,
+ .radars = { /* filled by the fwprepare tool */ },
+ ),
+#endif /* CONFIG_CARL9170FW_RADAR */
+
FILL(dbg, DBG,
.bogoclock_addr = cpu_to_le32(0),
.counter_addr = cpu_to_le32(&fw.counter),
#include "wl.h"
#include "rf.h"
#include "usb.h"
+#include "radar.h"
#define AR9170_WATCH_DOG_TIMER 0x100
fw.counter++;
}
+#ifdef CONFIG_CARL9170FW_RADAR
+static void radar_pattern_generator(void)
+{
+ if (fw.phy.state == CARL9170_PHY_ON) {
+ if (fw.wlan.soft_radar == NO_RADAR ||
+ fw.wlan.soft_radar >= __CARL9170FW_NUM_RADARS)
+ return;
+
+ const struct radar_info *radar = &radars[fw.wlan.soft_radar];
+ if (radar->pulses >= fw.wlan.pattern_index) {
+ fw.wlan.pattern_index = 0;
+ }
+
+ if (radar->pulses > fw.wlan.pattern_index) {
+ const struct radar_info_pattern *pattern = &radar->pattern[fw.wlan.pattern_index];
+ if (is_after_usecs(fw.wlan.radar_last, pattern->pulse_interval)) {
+ fw.wlan.radar_last = get_clock_counter();
+ set(0x1C3BC0, pattern->pulse_pattern);
+ set(0x1C3BBC, pattern->pulse_mode);
+ udelay(pattern->pulse_width);
+ set(0x1C3BBC, ~pattern->pulse_mode);
+ fw.wlan.pattern_index++;
+ }
+ }
+ }
+}
+#else
+static void radar_pattern_generator(void)
+{
+}
+#endif /* CONFIG_CARL9170FW_RADAR */
+
static void __noreturn main_loop(void)
{
/* main loop */
handle_timer();
tally_update();
+
+ radar_pattern_generator();
}
}
/* HW (ANI, CCA, MIB) tally counters */
CARL9170FW_HW_COUNTERS,
+ /* Radar pattern generator */
+ CARL9170FW_RADAR_PATTERN_GENERATOR,
+
/* Firmware will pass BA when BARs are queued */
CARL9170FW_RX_BA_FILTER,
#define CHK_MAGIC "CHK\0"
#define TXSQ_MAGIC "TXSQ"
#define WOL_MAGIC "WOL\0"
+#define RADAR_MAGIC "RDR\0"
#define LAST_MAGIC "LAST"
#define CARL9170FW_SET_DAY(d) (((d) - 1) % 31)
#define CARL9170FW_DBG_DESC_SIZE \
(sizeof(struct carl9170fw_dbg_desc))
+#define CARL9170FW_RADAR_MAP_NAME_LEN 15
+struct carl9170fw_radar_map_entry {
+ u8 index;
+ char name[CARL9170FW_RADAR_MAP_NAME_LEN];
+} __packed;
+
+#define CARL9170FW_RADAR_DESC_MIN_VER 1
+#define CARL9170FW_RADAR_DESC_CUR_VER 1
+struct carl9170fw_radar_desc {
+ struct carl9170fw_desc_head head;
+
+ __le32 soft_radar;
+ __le32 num_radars;
+ struct carl9170fw_radar_map_entry radars[0];
+ /* Put your debugging definitions here */
+} __packed;
+#define CARL9170FW_RADAR_DESC_SIZE \
+ (sizeof(struct carl9170fw_radar_desc))
+
#define CARL9170FW_CHK_DESC_MIN_VER 1
#define CARL9170FW_CHK_DESC_CUR_VER 2
struct carl9170fw_chk_desc {
src/checksum
src/fwinfo
-src/fwprepare
src/miniboot
+src/fwprepare
src/wol
carlu/carlu
add_custom_target(wol ALL COMMAND gcc wol.c -o wol)
-set(tools fwinfo miniboot checksum)
+set(tools fwinfo miniboot checksum fwprepare)
foreach(tool ${tools})
add_executable( ${tool} ${tool}.c )
CHECK_FOR_FEATURE(CARL9170FW_FIXED_5GHZ_PSM),
CHECK_FOR_FEATURE(CARL9170FW_HW_COUNTERS),
CHECK_FOR_FEATURE(CARL9170FW_RX_BA_FILTER),
+ CHECK_FOR_FEATURE(CARL9170FW_RADAR_PATTERN_GENERATOR),
};
static void check_feature_list(const struct carl9170fw_desc_head *head,
le32_to_cpu(chk->fw_crc32));
}
+static void show_radar_desc(const struct carl9170fw_desc_head *head,
+ struct carlfw *fw __unused)
+{
+ const struct carl9170fw_radar_desc *radar = (const void *) head;
+ const struct carl9170fw_radar_map_entry *map = radar->radars;
+ int map_entries = (head->length - sizeof(*radar)) / sizeof(*map);
+ int i;
+
+ fprintf(stdout, "\tRadar index register: %08x\n",
+ le32_to_cpu(radar->soft_radar));
+ fprintf(stdout, "\tNumber of supported radar patterns: %08x\n",
+ le32_to_cpu(radar->num_radars));
+
+ for (i = 0; i < map_entries; i++) {
+ fprintf(stdout, "\t\tindex:0x%x, description:%s\n",
+ map[i].index, map[i].name);
+ }
+}
+
static void show_last_desc(const struct carl9170fw_desc_head *head,
struct carlfw *fw __unused)
ADD_HANDLER(FIX, show_fix_desc),
ADD_HANDLER(CHK, show_chk_desc),
ADD_HANDLER(WOL, show_wol_desc),
+ ADD_HANDLER(RADAR, show_radar_desc),
ADD_HANDLER(LAST, show_last_desc),
};
--- /dev/null
+/*
+ * Copyright 2012 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 version 2 of the License.
+ *
+ * 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 <stdlib.h>
+#include <stdio.h>
+#include <error.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include "../../carlfw/include/radar.h"
+#include "carlfw.h"
+
+#include "compiler.h"
+
+static void checksum_help(void)
+{
+ fprintf(stderr, "Usage:\n");
+ fprintf(stderr, "\tfwprepare FW-FILE\n");
+
+ fprintf(stderr, "\nDescription:\n");
+ fprintf(stderr, "\tThis simple utility prepares the firmware "
+ "for release.\n");
+
+ fprintf(stderr, "\nParameteres:\n");
+ fprintf(stderr, "\t 'FW-FILE' = firmware name\n");
+ fprintf(stderr, "\n");
+}
+
+static int add_radars(struct carlfw *fw) {
+ const struct carl9170fw_otus_desc *otus_desc = NULL;
+ struct carl9170fw_radar_desc *radar_desc = NULL;
+ int radars_to_add;
+
+ otus_desc = carlfw_find_desc(fw, (uint8_t *) OTUS_MAGIC,
+ sizeof(*otus_desc),
+ CARL9170FW_OTUS_DESC_CUR_VER);
+ if (!otus_desc) {
+ fprintf(stderr, "No OTUS descriptor found\n");
+ return -1;
+ }
+
+ if (!carl9170fw_supports(otus_desc->feature_set, CARL9170FW_RADAR_PATTERN_GENERATOR)) {
+ return 0;
+ }
+
+ radar_desc = carlfw_find_desc(fw, (uint8_t *) RADAR_MAGIC,
+ sizeof(*radar_desc),
+ CARL9170FW_RADAR_DESC_CUR_VER);
+
+ if (!radar_desc) {
+ fprintf(stderr, "Firmware has radar pattern feature set, but "
+ "can't find a valid radar descriptor\n");
+ }
+
+ radars_to_add = radar_desc->num_radars -
+ ((radar_desc->head.length - sizeof(*radar_desc)) /
+ sizeof(struct carl9170fw_radar_map_entry));
+ if (radars_to_add == 0) {
+ /* been there, done that */
+ return 0;
+ }
+
+ if (radars_to_add == __CARL9170FW_NUM_RADARS) {
+ struct carl9170fw_radar_desc *tmp;
+ unsigned int len, map_len;
+
+ map_len = sizeof(struct carl9170fw_radar_map_entry) * radars_to_add;
+ len = sizeof(*tmp) + map_len;
+ tmp = malloc(len);
+ if (!tmp)
+ return -ENOMEM;
+
+ radar_desc = carlfw_desc_mod_len(fw, &radar_desc->head, map_len);
+ if (IS_ERR_OR_NULL(radar_desc))
+ return (int) PTR_ERR(radar_desc);
+
+ memcpy(&radar_desc->radars, radar_names, map_len);
+ return 0;
+ } else {
+ fprintf(stderr, "don't know what you did, but congrats you broke it!");
+ return -EINVAL;
+ }
+}
+
+static int add_checksums(struct carlfw __unused *fw)
+{
+ /*
+ * No magic here, The checksum descriptor is added/update
+ * automatically in a subroutine of carlfw_store().
+ */
+ return 0;
+}
+
+int main(int argc, char *args[])
+{
+ struct carlfw *fw = NULL;
+ int err = 0;
+
+ if (argc != 2) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ fw = carlfw_load(args[1]);
+ if (IS_ERR_OR_NULL(fw)) {
+ err = PTR_ERR(fw);
+ fprintf(stderr, "Failed to open file \"%s\" (%d).\n",
+ args[1], err);
+ goto out;
+ }
+
+ err = add_radars(fw);
+ if (err)
+ goto out;
+
+ err = add_checksums(fw);
+ if (err)
+ goto out;
+
+ err = carlfw_store(fw);
+ if (err) {
+ fprintf(stderr, "Failed to apply checksum (%d).\n", err);
+ goto out;
+ }
+
+out:
+ switch (err) {
+ case 0:
+ fprintf(stdout, "firmware was prepared successfully.\n");
+ break;
+ case -EINVAL:
+ checksum_help();
+ break;
+ default:
+ break;
+ }
+
+ carlfw_release(fw);
+ return err ? EXIT_FAILURE : EXIT_SUCCESS;
+}