diff options
Diffstat (limited to 'drivers/net/wireless/ath9k/debug.c')
| -rw-r--r-- | drivers/net/wireless/ath9k/debug.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath9k/debug.c b/drivers/net/wireless/ath9k/debug.c index 0c422c50e4f..8d91422106d 100644 --- a/drivers/net/wireless/ath9k/debug.c +++ b/drivers/net/wireless/ath9k/debug.c @@ -330,6 +330,163 @@ static const struct file_operations fops_rcstat = { .owner = THIS_MODULE }; +static const char * ath_wiphy_state_str(enum ath_wiphy_state state) +{ + switch (state) { + case ATH_WIPHY_INACTIVE: + return "INACTIVE"; + case ATH_WIPHY_ACTIVE: + return "ACTIVE"; + case ATH_WIPHY_PAUSING: + return "PAUSING"; + case ATH_WIPHY_PAUSED: + return "PAUSED"; + case ATH_WIPHY_SCAN: + return "SCAN"; + } + return "?"; +} + +static ssize_t read_file_wiphy(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath_softc *sc = file->private_data; + char buf[512]; + unsigned int len = 0; + int i; + u8 addr[ETH_ALEN]; + + len += snprintf(buf + len, sizeof(buf) - len, + "primary: %s (%s chan=%d ht=%d)\n", + wiphy_name(sc->pri_wiphy->hw->wiphy), + ath_wiphy_state_str(sc->pri_wiphy->state), + sc->pri_wiphy->chan_idx, sc->pri_wiphy->chan_is_ht); + for (i = 0; i < sc->num_sec_wiphy; i++) { + struct ath_wiphy *aphy = sc->sec_wiphy[i]; + if (aphy == NULL) + continue; + len += snprintf(buf + len, sizeof(buf) - len, + "secondary: %s (%s chan=%d ht=%d)\n", + wiphy_name(aphy->hw->wiphy), + ath_wiphy_state_str(aphy->state), + aphy->chan_idx, aphy->chan_is_ht); + } + + put_unaligned_le32(REG_READ(sc->sc_ah, AR_STA_ID0), addr); + put_unaligned_le16(REG_READ(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4); + len += snprintf(buf + len, sizeof(buf) - len, + "addr: %pM\n", addr); + put_unaligned_le32(REG_READ(sc->sc_ah, AR_BSSMSKL), addr); + put_unaligned_le16(REG_READ(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4); + len += snprintf(buf + len, sizeof(buf) - len, + "addrmask: %pM\n", addr); + + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static struct ath_wiphy * get_wiphy(struct ath_softc *sc, const char *name) +{ + int i; + if (strcmp(name, wiphy_name(sc->pri_wiphy->hw->wiphy)) == 0) + return sc->pri_wiphy; + for (i = 0; i < sc->num_sec_wiphy; i++) { + struct ath_wiphy *aphy = sc->sec_wiphy[i]; + if (aphy && strcmp(name, wiphy_name(aphy->hw->wiphy)) == 0) + return aphy; + } + return NULL; +} + +static int del_wiphy(struct ath_softc *sc, const char *name) +{ + struct ath_wiphy *aphy = get_wiphy(sc, name); + if (!aphy) + return -ENOENT; + return ath9k_wiphy_del(aphy); +} + +static int pause_wiphy(struct ath_softc *sc, const char *name) +{ + struct ath_wiphy *aphy = get_wiphy(sc, name); + if (!aphy) + return -ENOENT; + return ath9k_wiphy_pause(aphy); +} + +static int unpause_wiphy(struct ath_softc *sc, const char *name) +{ + struct ath_wiphy *aphy = get_wiphy(sc, name); + if (!aphy) + return -ENOENT; + return ath9k_wiphy_unpause(aphy); +} + +static int select_wiphy(struct ath_softc *sc, const char *name) +{ + struct ath_wiphy *aphy = get_wiphy(sc, name); + if (!aphy) + return -ENOENT; + return ath9k_wiphy_select(aphy); +} + +static int schedule_wiphy(struct ath_softc *sc, const char *msec) +{ + ath9k_wiphy_set_scheduler(sc, simple_strtoul(msec, NULL, 0)); + return 0; +} + +static ssize_t write_file_wiphy(struct file *file, const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath_softc *sc = file->private_data; + char buf[50]; + size_t len; + + len = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, len)) + return -EFAULT; + buf[len] = '\0'; + if (len > 0 && buf[len - 1] == '\n') + buf[len - 1] = '\0'; + + if (strncmp(buf, "add", 3) == 0) { + int res = ath9k_wiphy_add(sc); + if (res < 0) + return res; + } else if (strncmp(buf, "del=", 4) == 0) { + int res = del_wiphy(sc, buf + 4); + if (res < 0) + return res; + } else if (strncmp(buf, "pause=", 6) == 0) { + int res = pause_wiphy(sc, buf + 6); + if (res < 0) + return res; + } else if (strncmp(buf, "unpause=", 8) == 0) { + int res = unpause_wiphy(sc, buf + 8); + if (res < 0) + return res; + } else if (strncmp(buf, "select=", 7) == 0) { + int res = select_wiphy(sc, buf + 7); + if (res < 0) + return res; + } else if (strncmp(buf, "schedule=", 9) == 0) { + int res = schedule_wiphy(sc, buf + 9); + if (res < 0) + return res; + } else + return -EOPNOTSUPP; + + return count; +} + +static const struct file_operations fops_wiphy = { + .read = read_file_wiphy, + .write = write_file_wiphy, + .open = ath9k_debugfs_open, + .owner = THIS_MODULE +}; + + int ath9k_init_debug(struct ath_softc *sc) { sc->debug.debug_mask = ath9k_debug; @@ -362,6 +519,12 @@ int ath9k_init_debug(struct ath_softc *sc) if (!sc->debug.debugfs_rcstat) goto err; + sc->debug.debugfs_wiphy = debugfs_create_file( + "wiphy", S_IRUGO | S_IWUSR, sc->debug.debugfs_phy, sc, + &fops_wiphy); + if (!sc->debug.debugfs_wiphy) + goto err; + return 0; err: ath9k_exit_debug(sc); @@ -370,6 +533,7 @@ err: void ath9k_exit_debug(struct ath_softc *sc) { + debugfs_remove(sc->debug.debugfs_wiphy); debugfs_remove(sc->debug.debugfs_rcstat); debugfs_remove(sc->debug.debugfs_interrupt); debugfs_remove(sc->debug.debugfs_dma); |