{
struct ath_hw *ah = sc->sc_ah;
struct ath9k_wow_pattern *wow_pattern = NULL;
- struct cfg80211_wowlan_trig_pkt_pattern *patterns = wowlan->patterns;
+ struct cfg80211_pkt_pattern *patterns = wowlan->patterns;
int mask_len;
s8 i = 0;
}
static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,
+ struct cfg80211_chan_def *chandef,
struct ieee80211_sta *sta, void *priv_sta)
{
struct ath_softc *sc = priv;
}
static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband,
+ struct cfg80211_chan_def *chandef,
struct ieee80211_sta *sta, void *priv_sta,
u32 changed)
{
*/
static void
il3945_rs_rate_init_stub(void *il_r, struct ieee80211_supported_band *sband,
+ struct cfg80211_chan_def *chandef,
struct ieee80211_sta *sta, void *il_sta)
{
}
*/
static void
il4965_rs_rate_init_stub(void *il_r, struct ieee80211_supported_band *sband,
+ struct cfg80211_chan_def *chandef,
struct ieee80211_sta *sta, void *il_sta)
{
}
* station is added we ignore it.
*/
static void rs_rate_init_stub(void *priv_r, struct ieee80211_supported_band *sband,
- struct ieee80211_sta *sta, void *priv_sta)
+ struct cfg80211_chan_def *chandef,
+ struct ieee80211_sta *sta, void *priv_sta)
{
}
static struct rate_control_ops rs_ops = {
* station is added we ignore it.
*/
static void rs_rate_init_stub(void *mvm_r,
- struct ieee80211_supported_band *sband,
- struct ieee80211_sta *sta, void *mvm_sta)
+ struct ieee80211_supported_band *sband,
+ struct cfg80211_chan_def *chandef,
+ struct ieee80211_sta *sta, void *mvm_sta)
{
}
static struct rate_control_ops rs_mvm_ops = {
if (WARN_ON(skb->len < 10)) {
/* Should not happen; just a sanity check for addr1 use */
- dev_kfree_skb(skb);
+ ieee80211_free_txskb(hw, skb);
return;
}
}
if (WARN(!channel, "TX w/o channel - queue = %d\n", txi->hw_queue)) {
- dev_kfree_skb(skb);
+ ieee80211_free_txskb(hw, skb);
return;
}
if (data->idle && !data->tmp_chan) {
wiphy_debug(hw->wiphy, "Trying to TX when idle - reject\n");
- dev_kfree_skb(skb);
+ ieee80211_free_txskb(hw, skb);
return;
}
hw->flags |= IEEE80211_HW_SUPPORTS_RC_TABLE;
hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
- WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
+ WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
+ WIPHY_FLAG_AP_UAPSD;
+ hw->wiphy->features |= NL80211_FEATURE_ACTIVE_MONITOR;
/* ask mac80211 to reserve space for magic */
hw->vif_data_size = sizeof(struct hwsim_vif_priv);
#ifdef CONFIG_PM
static bool
-mwifiex_is_pattern_supported(struct cfg80211_wowlan_trig_pkt_pattern *pat,
- s8 *byte_seq)
+mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq)
{
int j, k, valid_byte_cnt = 0;
bool dont_care_byte = false;
static void rtl_rate_init(void *ppriv,
struct ieee80211_supported_band *sband,
+ struct cfg80211_chan_def *chandef,
struct ieee80211_sta *sta, void *priv_sta)
{
}
#ifdef CONFIG_PM
static int
-wl1271_validate_wowlan_pattern(struct cfg80211_wowlan_trig_pkt_pattern *p)
+wl1271_validate_wowlan_pattern(struct cfg80211_pkt_pattern *p)
{
int num_fields = 0, in_field = 0, fields_size = 0;
int i, pattern_len = 0;
* Allocates an RX filter returned through f
* which needs to be freed using rx_filter_free()
*/
-static int wl1271_convert_wowlan_pattern_to_rx_filter(
- struct cfg80211_wowlan_trig_pkt_pattern *p,
- struct wl12xx_rx_filter **f)
+static int
+wl1271_convert_wowlan_pattern_to_rx_filter(struct cfg80211_pkt_pattern *p,
+ struct wl12xx_rx_filter **f)
{
int i, j, ret = 0;
struct wl12xx_rx_filter *filter;
/* Translate WoWLAN patterns into filters */
for (i = 0; i < wow->n_patterns; i++) {
- struct cfg80211_wowlan_trig_pkt_pattern *p;
+ struct cfg80211_pkt_pattern *p;
struct wl12xx_rx_filter *filter = NULL;
p = &wow->patterns[i];
return 0;
}
+/**
+ * ieee80211_chandef_max_power - maximum transmission power for the chandef
+ *
+ * In some regulations, the transmit power may depend on the configured channel
+ * bandwidth which may be defined as dBm/MHz. This function returns the actual
+ * max_power for non-standard (20 MHz) channels.
+ *
+ * @chandef: channel definition for the channel
+ *
+ * Returns: maximum allowed transmission power in dBm for the chandef
+ */
+static inline int
+ieee80211_chandef_max_power(struct cfg80211_chan_def *chandef)
+{
+ switch (chandef->width) {
+ case NL80211_CHAN_WIDTH_5:
+ return min(chandef->chan->max_reg_power - 6,
+ chandef->chan->max_power);
+ case NL80211_CHAN_WIDTH_10:
+ return min(chandef->chan->max_reg_power - 3,
+ chandef->chan->max_power);
+ default:
+ break;
+ }
+ return chandef->chan->max_power;
+}
+
/**
* enum survey_info_flags - survey information flags
*
* @channel: the channel this survey record reports, mandatory
* @filled: bitflag of flags from &enum survey_info_flags
* @noise: channel noise in dBm. This and all following fields are
- * optional
+ * optional
* @channel_time: amount of time in ms the radio spent on the channel
* @channel_time_busy: amount of time the primary channel was sensed busy
* @channel_time_ext_busy: amount of time the extension channel was sensed busy
/**
* struct cfg80211_beacon_data - beacon data
* @head: head portion of beacon (before TIM IE)
- * or %NULL if not changed
+ * or %NULL if not changed
* @tail: tail portion of beacon (after TIM IE)
- * or %NULL if not changed
+ * or %NULL if not changed
* @head_len: length of @head
* @tail_len: length of @tail
* @beacon_ies: extra information element(s) to add into Beacon frames or %NULL
* @STATION_INFO_PLINK_STATE: @plink_state filled
* @STATION_INFO_SIGNAL: @signal filled
* @STATION_INFO_TX_BITRATE: @txrate fields are filled
- * (tx_bitrate, tx_bitrate_flags and tx_bitrate_mcs)
+ * (tx_bitrate, tx_bitrate_flags and tx_bitrate_mcs)
* @STATION_INFO_RX_PACKETS: @rx_packets filled with 32-bit value
* @STATION_INFO_TX_PACKETS: @tx_packets filled with 32-bit value
* @STATION_INFO_TX_RETRIES: @tx_retries filled
* @n_ssids: number of SSIDs
* @channels: channels to scan on.
* @n_channels: total number of channels to scan
+ * @scan_width: channel width for scanning
* @ie: optional information element(s) to add into Probe Request or %NULL
* @ie_len: length of ie in octets
* @flags: bit field of flags controlling operation
struct cfg80211_ssid *ssids;
int n_ssids;
u32 n_channels;
+ enum nl80211_bss_scan_width scan_width;
const u8 *ie;
size_t ie_len;
u32 flags;
* @ssids: SSIDs to scan for (passed in the probe_reqs in active scans)
* @n_ssids: number of SSIDs
* @n_channels: total number of channels to scan
+ * @scan_width: channel width for scanning
* @interval: interval between each scheduled scan cycle
* @ie: optional information element(s) to add into Probe Request or %NULL
* @ie_len: length of ie in octets
struct cfg80211_ssid *ssids;
int n_ssids;
u32 n_channels;
+ enum nl80211_bss_scan_width scan_width;
u32 interval;
const u8 *ie;
size_t ie_len;
* for use in scan results and similar.
*
* @channel: channel this BSS is on
+ * @scan_width: width of the control channel
* @bssid: BSSID of the BSS
* @beacon_interval: the beacon interval as from the frame
* @capability: the capability field in host byte order
*/
struct cfg80211_bss {
struct ieee80211_channel *channel;
+ enum nl80211_bss_scan_width scan_width;
const struct cfg80211_bss_ies __rcu *ies;
const struct cfg80211_bss_ies __rcu *beacon_ies;
* @prev_bssid: previous BSSID, if not %NULL use reassociate frame
* @flags: See &enum cfg80211_assoc_req_flags
* @ht_capa: HT Capabilities over-rides. Values set in ht_capa_mask
- * will be used in ht_capa. Un-supported values will be ignored.
+ * will be used in ht_capa. Un-supported values will be ignored.
* @ht_capa_mask: The bits of ht_capa which are to be used.
* @vht_capa: VHT capability override
* @vht_capa_mask: VHT capability mask indicating which fields to use
* user space. Otherwise, port is marked authorized by default.
* @basic_rates: bitmap of basic rates to use when creating the IBSS
* @mcast_rate: per-band multicast rate index + 1 (0: disabled)
+ * @ht_capa: HT Capabilities over-rides. Values set in ht_capa_mask
+ * will be used in ht_capa. Un-supported values will be ignored.
+ * @ht_capa_mask: The bits of ht_capa which are to be used.
*/
struct cfg80211_ibss_params {
u8 *ssid;
bool privacy;
bool control_port;
int mcast_rate[IEEE80211_NUM_BANDS];
+ struct ieee80211_ht_cap ht_capa;
+ struct ieee80211_ht_cap ht_capa_mask;
};
/**
* @key: WEP key for shared key authentication
* @flags: See &enum cfg80211_assoc_req_flags
* @bg_scan_period: Background scan period in seconds
- * or -1 to indicate that default value is to be used.
+ * or -1 to indicate that default value is to be used.
* @ht_capa: HT Capabilities over-rides. Values set in ht_capa_mask
- * will be used in ht_capa. Un-supported values will be ignored.
+ * will be used in ht_capa. Un-supported values will be ignored.
* @ht_capa_mask: The bits of ht_capa which are to be used.
* @vht_capa: VHT Capability overrides
* @vht_capa_mask: The bits of vht_capa which are to be used.
};
/**
- * struct cfg80211_wowlan_trig_pkt_pattern - packet pattern
+ * struct cfg80211_pkt_pattern - packet pattern
* @mask: bitmask where to match pattern and where to ignore bytes,
* one bit per byte, in same format as nl80211
* @pattern: bytes to match where bitmask is 1
* Internal note: @mask and @pattern are allocated in one chunk of
* memory, free @mask only!
*/
-struct cfg80211_wowlan_trig_pkt_pattern {
+struct cfg80211_pkt_pattern {
u8 *mask, *pattern;
int pattern_len;
int pkt_offset;
bool any, disconnect, magic_pkt, gtk_rekey_failure,
eap_identity_req, four_way_handshake,
rfkill_release;
- struct cfg80211_wowlan_trig_pkt_pattern *patterns;
+ struct cfg80211_pkt_pattern *patterns;
struct cfg80211_wowlan_tcp *tcp;
int n_patterns;
};
+/**
+ * struct cfg80211_coalesce_rules - Coalesce rule parameters
+ *
+ * This structure defines coalesce rule for the device.
+ * @delay: maximum coalescing delay in msecs.
+ * @condition: condition for packet coalescence.
+ * see &enum nl80211_coalesce_condition.
+ * @patterns: array of packet patterns
+ * @n_patterns: number of patterns
+ */
+struct cfg80211_coalesce_rules {
+ int delay;
+ enum nl80211_coalesce_condition condition;
+ struct cfg80211_pkt_pattern *patterns;
+ int n_patterns;
+};
+
+/**
+ * struct cfg80211_coalesce - Packet coalescing settings
+ *
+ * This structure defines coalescing settings.
+ * @rules: array of coalesce rules
+ * @n_rules: number of rules
+ */
+struct cfg80211_coalesce {
+ struct cfg80211_coalesce_rules *rules;
+ int n_rules;
+};
+
/**
* struct cfg80211_wowlan_wakeup - wakeup report
* @disconnect: woke up by getting disconnected
* driver can take the most appropriate actions.
* @crit_proto_stop: Indicates critical protocol no longer needs increased link
* reliability. This operation can not fail.
+ * @set_coalesce: Set coalesce parameters.
*/
struct cfg80211_ops {
int (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
u16 duration);
void (*crit_proto_stop)(struct wiphy *wiphy,
struct wireless_dev *wdev);
+ int (*set_coalesce)(struct wiphy *wiphy,
+ struct cfg80211_coalesce *coalesce);
};
/*
const struct wiphy_wowlan_tcp_support *tcp;
};
+/**
+ * struct wiphy_coalesce_support - coalesce support data
+ * @n_rules: maximum number of coalesce rules
+ * @max_delay: maximum supported coalescing delay in msecs
+ * @n_patterns: number of supported patterns in a rule
+ * (see nl80211.h for the pattern definition)
+ * @pattern_max_len: maximum length of each pattern
+ * @pattern_min_len: minimum length of each pattern
+ * @max_pkt_offset: maximum Rx packet offset
+ */
+struct wiphy_coalesce_support {
+ int n_rules;
+ int max_delay;
+ int n_patterns;
+ int pattern_max_len;
+ int pattern_min_len;
+ int max_pkt_offset;
+};
+
/**
* struct wiphy - wireless hardware description
* @reg_notifier: the driver's regulatory notification callback,
* 802.11-2012 8.4.2.29 for the defined fields.
* @extended_capabilities_mask: mask of the valid values
* @extended_capabilities_len: length of the extended capabilities
+ * @coalesce: packet coalescing support information
*/
struct wiphy {
/* assign these fields before you register the wiphy */
const struct iw_handler_def *wext;
#endif
+ const struct wiphy_coalesce_support *coalesce;
+
char priv[0] __aligned(NETDEV_ALIGN);
};
/**
* ieee80211_mandatory_rates - get mandatory rates for a given band
* @sband: the band to look for rates in
+ * @scan_width: width of the control channel
*
* This function returns a bitmap of the mandatory rates for the given
* band, bits are set according to the rate position in the bitrates array.
*/
-u32 ieee80211_mandatory_rates(struct ieee80211_supported_band *sband);
+u32 ieee80211_mandatory_rates(struct ieee80211_supported_band *sband,
+ enum nl80211_bss_scan_width scan_width);
/*
* Radiotap parsing functions -- for controlled injection support
void cfg80211_sched_scan_stopped(struct wiphy *wiphy);
/**
- * cfg80211_inform_bss_frame - inform cfg80211 of a received BSS frame
+ * cfg80211_inform_bss_width_frame - inform cfg80211 of a received BSS frame
*
* @wiphy: the wiphy reporting the BSS
* @channel: The channel the frame was received on
+ * @scan_width: width of the control channel
* @mgmt: the management frame (probe response or beacon)
* @len: length of the management frame
* @signal: the signal strength, type depends on the wiphy's signal_type
* Or %NULL on error.
*/
struct cfg80211_bss * __must_check
+cfg80211_inform_bss_width_frame(struct wiphy *wiphy,
+ struct ieee80211_channel *channel,
+ enum nl80211_bss_scan_width scan_width,
+ struct ieee80211_mgmt *mgmt, size_t len,
+ s32 signal, gfp_t gfp);
+
+static inline struct cfg80211_bss * __must_check
cfg80211_inform_bss_frame(struct wiphy *wiphy,
struct ieee80211_channel *channel,
struct ieee80211_mgmt *mgmt, size_t len,
- s32 signal, gfp_t gfp);
+ s32 signal, gfp_t gfp)
+{
+ return cfg80211_inform_bss_width_frame(wiphy, channel,
+ NL80211_BSS_CHAN_WIDTH_20,
+ mgmt, len, signal, gfp);
+}
/**
* cfg80211_inform_bss - inform cfg80211 of a new BSS
*
* @wiphy: the wiphy reporting the BSS
* @channel: The channel the frame was received on
+ * @scan_width: width of the control channel
* @bssid: the BSSID of the BSS
* @tsf: the TSF sent by the peer in the beacon/probe response (or 0)
* @capability: the capability field sent by the peer
* Or %NULL on error.
*/
struct cfg80211_bss * __must_check
+cfg80211_inform_bss_width(struct wiphy *wiphy,
+ struct ieee80211_channel *channel,
+ enum nl80211_bss_scan_width scan_width,
+ const u8 *bssid, u64 tsf, u16 capability,
+ u16 beacon_interval, const u8 *ie, size_t ielen,
+ s32 signal, gfp_t gfp);
+
+static inline struct cfg80211_bss * __must_check
cfg80211_inform_bss(struct wiphy *wiphy,
struct ieee80211_channel *channel,
const u8 *bssid, u64 tsf, u16 capability,
u16 beacon_interval, const u8 *ie, size_t ielen,
- s32 signal, gfp_t gfp);
+ s32 signal, gfp_t gfp)
+{
+ return cfg80211_inform_bss_width(wiphy, channel,
+ NL80211_BSS_CHAN_WIDTH_20,
+ bssid, tsf, capability,
+ beacon_interval, ie, ielen, signal,
+ gfp);
+}
struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy,
struct ieee80211_channel *channel,
*/
void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *bss);
+static inline enum nl80211_bss_scan_width
+cfg80211_chandef_to_scan_width(const struct cfg80211_chan_def *chandef)
+{
+ switch (chandef->width) {
+ case NL80211_CHAN_WIDTH_5:
+ return NL80211_BSS_CHAN_WIDTH_5;
+ case NL80211_CHAN_WIDTH_10:
+ return NL80211_BSS_CHAN_WIDTH_10;
+ default:
+ return NL80211_BSS_CHAN_WIDTH_20;
+ }
+}
+
/**
* cfg80211_rx_mlme_mgmt - notification of processed MLME management frame
* @dev: network device
#define IEEE80211_CHAN_PASSIVE 0x0200 /* Only passive scan allowed */
#define IEEE80211_CHAN_DYN 0x0400 /* Dynamic CCK-OFDM channel */
#define IEEE80211_CHAN_GFSK 0x0800 /* GFSK channel (FHSS PHY) */
+#define IEEE80211_CHAN_GSM 0x1000 /* GSM (900 MHz) */
+#define IEEE80211_CHAN_STURBO 0x2000 /* Static Turbo */
+#define IEEE80211_CHAN_HALF 0x4000 /* Half channel (10 MHz wide) */
+#define IEEE80211_CHAN_QUARTER 0x8000 /* Quarter channel (5 MHz wide) */
/* For IEEE80211_RADIOTAP_FLAGS */
#define IEEE80211_RADIOTAP_F_CFP 0x01 /* sent/received
* @RX_FLAG_AMPDU_DELIM_CRC_KNOWN: The delimiter CRC field is known (the CRC
* is stored in the @ampdu_delimiter_crc field)
* @RX_FLAG_STBC_MASK: STBC 2 bit bitmask. 1 - Nss=1, 2 - Nss=2, 3 - Nss=3
+ * @RX_FLAG_10MHZ: 10 MHz (half channel) was used
+ * @RX_FLAG_5MHZ: 5 MHz (quarter channel) was used
*/
enum mac80211_rx_flags {
RX_FLAG_MMIC_ERROR = BIT(0),
RX_FLAG_80P80MHZ = BIT(24),
RX_FLAG_160MHZ = BIT(25),
RX_FLAG_STBC_MASK = BIT(26) | BIT(27),
+ RX_FLAG_10MHZ = BIT(28),
+ RX_FLAG_5MHZ = BIT(29),
};
#define RX_FLAG_STBC_SHIFT 26
* @radar_enabled: whether radar detection is enabled
*
* @long_frame_max_tx_count: Maximum number of transmissions for a "long" frame
- * (a frame not RTS protected), called "dot11LongRetryLimit" in 802.11,
- * but actually means the number of transmissions not the number of retries
+ * (a frame not RTS protected), called "dot11LongRetryLimit" in 802.11,
+ * but actually means the number of transmissions not the number of retries
* @short_frame_max_tx_count: Maximum number of transmissions for a "short"
- * frame, called "dot11ShortRetryLimit" in 802.11, but actually means the
- * number of transmissions not the number of retries
+ * frame, called "dot11ShortRetryLimit" in 802.11, but actually means the
+ * number of transmissions not the number of retries
*
* @smps_mode: spatial multiplexing powersave mode; note that
* %IEEE80211_SMPS_STATIC is used when the device is not
* be off when it is %NULL there can still be races and packets could be
* processed after it switches back to %NULL.
* @debugfs_dir: debugfs dentry, can be used by drivers to create own per
- * interface debug files. Note that it will be NULL for the virtual
+ * interface debug files. Note that it will be NULL for the virtual
* monitor interface (if that is requested.)
* @drv_priv: data area for driver use, will always be aligned to
* sizeof(void *).
* the stack.
*
* @IEEE80211_HW_CONNECTION_MONITOR:
- * The hardware performs its own connection monitoring, including
- * periodic keep-alives to the AP and probing the AP on beacon loss.
- * When this flag is set, signaling beacon-loss will cause an immediate
- * change to disassociated state.
+ * The hardware performs its own connection monitoring, including
+ * periodic keep-alives to the AP and probing the AP on beacon loss.
+ * When this flag is set, signaling beacon-loss will cause an immediate
+ * change to disassociated state.
*
* @IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC:
* This device needs to get data from beacon before association (i.e.
* @channel_change_time: time (in microseconds) it takes to change channels.
*
* @max_signal: Maximum value for signal (rssi) in RX information, used
- * only when @IEEE80211_HW_SIGNAL_UNSPEC or @IEEE80211_HW_SIGNAL_DB
+ * only when @IEEE80211_HW_SIGNAL_UNSPEC or @IEEE80211_HW_SIGNAL_DB
*
* @max_listen_interval: max listen interval in units of beacon interval
- * that HW supports
+ * that HW supports
*
* @queues: number of available hardware transmit queues for
* data packets. WMM/QoS requires at least four, these
* The callback can sleep.
*
* @set_tsf: Set the TSF timer to the specified value in the firmware/hardware.
- * Currently, this is only used for IBSS mode debugging. Is not a
+ * Currently, this is only used for IBSS mode debugging. Is not a
* required function.
* The callback can sleep.
*
void *(*alloc_sta)(void *priv, struct ieee80211_sta *sta, gfp_t gfp);
void (*rate_init)(void *priv, struct ieee80211_supported_band *sband,
+ struct cfg80211_chan_def *chandef,
struct ieee80211_sta *sta, void *priv_sta);
void (*rate_update)(void *priv, struct ieee80211_supported_band *sband,
+ struct cfg80211_chan_def *chandef,
struct ieee80211_sta *sta, void *priv_sta,
u32 changed);
void (*free_sta)(void *priv, struct ieee80211_sta *sta,
* interfaces that a given device supports.
*/
+/**
+ * DOC: packet coalesce support
+ *
+ * In most cases, host that receives IPv4 and IPv6 multicast/broadcast
+ * packets does not do anything with these packets. Therefore the
+ * reception of these unwanted packets causes unnecessary processing
+ * and power consumption.
+ *
+ * Packet coalesce feature helps to reduce number of received interrupts
+ * to host by buffering these packets in firmware/hardware for some
+ * predefined time. Received interrupt will be generated when one of the
+ * following events occur.
+ * a) Expiration of hardware timer whose expiration time is set to maximum
+ * coalescing delay of matching coalesce rule.
+ * b) Coalescing buffer in hardware reaches it's limit.
+ * c) Packet doesn't match any of the configured coalesce rules.
+ *
+ * User needs to configure following parameters for creating a coalesce
+ * rule.
+ * a) Maximum coalescing delay
+ * b) List of packet patterns which needs to be matched
+ * c) Condition for coalescence. pattern 'match' or 'no match'
+ * Multiple such rules can be created.
+ */
+
/**
* enum nl80211_commands - supported nl80211 commands
*
* @NL80211_CMD_CRIT_PROTOCOL_STOP: Indicates the connection reliability can
* return back to normal.
*
+ * @NL80211_CMD_GET_COALESCE: Get currently supported coalesce rules.
+ * @NL80211_CMD_SET_COALESCE: Configure coalesce rules or clear existing rules.
+ *
* @NL80211_CMD_MAX: highest used command number
* @__NL80211_CMD_AFTER_LAST: internal use
*/
NL80211_CMD_CRIT_PROTOCOL_START,
NL80211_CMD_CRIT_PROTOCOL_STOP,
+ NL80211_CMD_GET_COALESCE,
+ NL80211_CMD_SET_COALESCE,
+
/* add new commands above here */
/* used to define NL80211_CMD_MAX below */
* allowed to be used with the first @NL80211_CMD_SET_STATION command to
* update a TDLS peer STA entry.
*
+ * @NL80211_ATTR_COALESCE_RULE: Coalesce rule information.
+ *
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
NL80211_ATTR_PEER_AID,
+ NL80211_ATTR_COALESCE_RULE,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
NL80211_CHAN_WIDTH_10,
};
+/**
+ * enum nl80211_bss_scan_width - control channel width for a BSS
+ *
+ * These values are used with the %NL80211_BSS_CHAN_WIDTH attribute.
+ *
+ * @NL80211_BSS_CHAN_WIDTH_20: control channel is 20 MHz wide or compatible
+ * @NL80211_BSS_CHAN_WIDTH_10: control channel is 10 MHz wide
+ * @NL80211_BSS_CHAN_WIDTH_5: control channel is 5 MHz wide
+ */
+enum nl80211_bss_scan_width {
+ NL80211_BSS_CHAN_WIDTH_20,
+ NL80211_BSS_CHAN_WIDTH_10,
+ NL80211_BSS_CHAN_WIDTH_5,
+};
+
/**
* enum nl80211_bss - netlink attributes for a BSS
*
* @NL80211_BSS_BEACON_IES: binary attribute containing the raw information
* elements from a Beacon frame (bin); not present if no Beacon frame has
* yet been received
+ * @NL80211_BSS_CHAN_WIDTH: channel width of the control channel
+ * (u32, enum nl80211_bss_scan_width)
* @__NL80211_BSS_AFTER_LAST: internal
* @NL80211_BSS_MAX: highest BSS attribute
*/
NL80211_BSS_STATUS,
NL80211_BSS_SEEN_MS_AGO,
NL80211_BSS_BEACON_IES,
+ NL80211_BSS_CHAN_WIDTH,
/* keep last */
__NL80211_BSS_AFTER_LAST,
};
/**
- * enum nl80211_wowlan_packet_pattern_attr - WoWLAN packet pattern attribute
- * @__NL80211_WOWLAN_PKTPAT_INVALID: invalid number for nested attribute
- * @NL80211_WOWLAN_PKTPAT_PATTERN: the pattern, values where the mask has
+ * enum nl80211_packet_pattern_attr - packet pattern attribute
+ * @__NL80211_PKTPAT_INVALID: invalid number for nested attribute
+ * @NL80211_PKTPAT_PATTERN: the pattern, values where the mask has
* a zero bit are ignored
- * @NL80211_WOWLAN_PKTPAT_MASK: pattern mask, must be long enough to have
+ * @NL80211_PKTPAT_MASK: pattern mask, must be long enough to have
* a bit for each byte in the pattern. The lowest-order bit corresponds
* to the first byte of the pattern, but the bytes of the pattern are
* in a little-endian-like format, i.e. the 9th byte of the pattern
* Note that the pattern matching is done as though frames were not
* 802.11 frames but 802.3 frames, i.e. the frame is fully unpacked
* first (including SNAP header unpacking) and then matched.
- * @NL80211_WOWLAN_PKTPAT_OFFSET: packet offset, pattern is matched after
+ * @NL80211_PKTPAT_OFFSET: packet offset, pattern is matched after
* these fixed number of bytes of received packet
- * @NUM_NL80211_WOWLAN_PKTPAT: number of attributes
- * @MAX_NL80211_WOWLAN_PKTPAT: max attribute number
+ * @NUM_NL80211_PKTPAT: number of attributes
+ * @MAX_NL80211_PKTPAT: max attribute number
*/
-enum nl80211_wowlan_packet_pattern_attr {
- __NL80211_WOWLAN_PKTPAT_INVALID,
- NL80211_WOWLAN_PKTPAT_MASK,
- NL80211_WOWLAN_PKTPAT_PATTERN,
- NL80211_WOWLAN_PKTPAT_OFFSET,
+enum nl80211_packet_pattern_attr {
+ __NL80211_PKTPAT_INVALID,
+ NL80211_PKTPAT_MASK,
+ NL80211_PKTPAT_PATTERN,
+ NL80211_PKTPAT_OFFSET,
- NUM_NL80211_WOWLAN_PKTPAT,
- MAX_NL80211_WOWLAN_PKTPAT = NUM_NL80211_WOWLAN_PKTPAT - 1,
+ NUM_NL80211_PKTPAT,
+ MAX_NL80211_PKTPAT = NUM_NL80211_PKTPAT - 1,
};
/**
- * struct nl80211_wowlan_pattern_support - pattern support information
+ * struct nl80211_pattern_support - packet pattern support information
* @max_patterns: maximum number of patterns supported
* @min_pattern_len: minimum length of each pattern
* @max_pattern_len: maximum length of each pattern
* @max_pkt_offset: maximum Rx packet offset
*
* This struct is carried in %NL80211_WOWLAN_TRIG_PKT_PATTERN when
- * that is part of %NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED in the
- * capability information given by the kernel to userspace.
+ * that is part of %NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED or in
+ * %NL80211_ATTR_COALESCE_RULE_PKT_PATTERN when that is part of
+ * %NL80211_ATTR_COALESCE_RULE in the capability information given
+ * by the kernel to userspace.
*/
-struct nl80211_wowlan_pattern_support {
+struct nl80211_pattern_support {
__u32 max_patterns;
__u32 min_pattern_len;
__u32 max_pattern_len;
__u32 max_pkt_offset;
} __attribute__((packed));
+/* only for backward compatibility */
+#define __NL80211_WOWLAN_PKTPAT_INVALID __NL80211_PKTPAT_INVALID
+#define NL80211_WOWLAN_PKTPAT_MASK NL80211_PKTPAT_MASK
+#define NL80211_WOWLAN_PKTPAT_PATTERN NL80211_PKTPAT_PATTERN
+#define NL80211_WOWLAN_PKTPAT_OFFSET NL80211_PKTPAT_OFFSET
+#define NUM_NL80211_WOWLAN_PKTPAT NUM_NL80211_PKTPAT
+#define MAX_NL80211_WOWLAN_PKTPAT MAX_NL80211_PKTPAT
+#define nl80211_wowlan_pattern_support nl80211_pattern_support
+
/**
* enum nl80211_wowlan_triggers - WoWLAN trigger definitions
* @__NL80211_WOWLAN_TRIG_INVALID: invalid number for nested attributes
* pattern matching is done after the packet is converted to the MSDU.
*
* In %NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED, it is a binary attribute
- * carrying a &struct nl80211_wowlan_pattern_support.
+ * carrying a &struct nl80211_pattern_support.
*
* When reporting wakeup. it is a u32 attribute containing the 0-based
* index of the pattern that caused the wakeup, in the patterns passed
* @NL80211_WOWLAN_TCP_WAKE_PAYLOAD: wake packet payload, for advertising a
* u32 attribute holding the maximum length
* @NL80211_WOWLAN_TCP_WAKE_MASK: Wake packet payload mask, not used for
- * feature advertising. The mask works like @NL80211_WOWLAN_PKTPAT_MASK
+ * feature advertising. The mask works like @NL80211_PKTPAT_MASK
* but on the TCP payload only.
* @NUM_NL80211_WOWLAN_TCP: number of TCP attributes
* @MAX_NL80211_WOWLAN_TCP: highest attribute number
MAX_NL80211_WOWLAN_TCP = NUM_NL80211_WOWLAN_TCP - 1
};
+/**
+ * struct nl80211_coalesce_rule_support - coalesce rule support information
+ * @max_rules: maximum number of rules supported
+ * @pat: packet pattern support information
+ * @max_delay: maximum supported coalescing delay in msecs
+ *
+ * This struct is carried in %NL80211_ATTR_COALESCE_RULE in the
+ * capability information given by the kernel to userspace.
+ */
+struct nl80211_coalesce_rule_support {
+ __u32 max_rules;
+ struct nl80211_pattern_support pat;
+ __u32 max_delay;
+} __attribute__((packed));
+
+/**
+ * enum nl80211_attr_coalesce_rule - coalesce rule attribute
+ * @__NL80211_COALESCE_RULE_INVALID: invalid number for nested attribute
+ * @NL80211_ATTR_COALESCE_RULE_DELAY: delay in msecs used for packet coalescing
+ * @NL80211_ATTR_COALESCE_RULE_CONDITION: condition for packet coalescence,
+ * see &enum nl80211_coalesce_condition.
+ * @NL80211_ATTR_COALESCE_RULE_PKT_PATTERN: packet offset, pattern is matched
+ * after these fixed number of bytes of received packet
+ * @NUM_NL80211_ATTR_COALESCE_RULE: number of attributes
+ * @NL80211_ATTR_COALESCE_RULE_MAX: max attribute number
+ */
+enum nl80211_attr_coalesce_rule {
+ __NL80211_COALESCE_RULE_INVALID,
+ NL80211_ATTR_COALESCE_RULE_DELAY,
+ NL80211_ATTR_COALESCE_RULE_CONDITION,
+ NL80211_ATTR_COALESCE_RULE_PKT_PATTERN,
+
+ /* keep last */
+ NUM_NL80211_ATTR_COALESCE_RULE,
+ NL80211_ATTR_COALESCE_RULE_MAX = NUM_NL80211_ATTR_COALESCE_RULE - 1
+};
+
+/**
+ * enum nl80211_coalesce_condition - coalesce rule conditions
+ * @NL80211_COALESCE_CONDITION_MATCH: coalaesce Rx packets when patterns
+ * in a rule are matched.
+ * @NL80211_COALESCE_CONDITION_NO_MATCH: coalesce Rx packets when patterns
+ * in a rule are not matched.
+ */
+enum nl80211_coalesce_condition {
+ NL80211_COALESCE_CONDITION_MATCH,
+ NL80211_COALESCE_CONDITION_NO_MATCH
+};
+
/**
* enum nl80211_iface_limit_attrs - limit attributes
* @NL80211_IFACE_LIMIT_UNSPEC: (reserved)
rinfo->nss = ieee80211_rate_get_vht_nss(rate);
} else {
struct ieee80211_supported_band *sband;
+ int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
+ u16 brate;
+
sband = sta->local->hw.wiphy->bands[
ieee80211_get_sdata_band(sta->sdata)];
- rinfo->legacy = sband->bitrates[rate->idx].bitrate;
+ brate = sband->bitrates[rate->idx].bitrate;
+ rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
}
if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
rinfo->mcs = sta->last_rx_rate_idx;
} else {
struct ieee80211_supported_band *sband;
+ int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
+ u16 brate;
sband = sta->local->hw.wiphy->bands[
ieee80211_get_sdata_band(sta->sdata)];
- rinfo->legacy =
- sband->bitrates[sta->last_rx_rate_idx].bitrate;
+ brate = sband->bitrates[sta->last_rx_rate_idx].bitrate;
+ rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
}
if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
struct station_parameters *params)
{
int ret = 0;
- u32 rates;
- int i, j;
struct ieee80211_supported_band *sband;
struct ieee80211_sub_if_data *sdata = sta->sdata;
enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
sta->listen_interval = params->listen_interval;
if (params->supported_rates) {
- rates = 0;
-
- for (i = 0; i < params->supported_rates_len; i++) {
- int rate = (params->supported_rates[i] & 0x7f) * 5;
- for (j = 0; j < sband->n_bitrates; j++) {
- if (sband->bitrates[j].bitrate == rate)
- rates |= BIT(j);
- }
- }
- sta->sta.supp_rates[band] = rates;
+ ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
+ sband, params->supported_rates,
+ params->supported_rates_len,
+ &sta->sta.supp_rates[band]);
}
if (params->ht_capa)
}
if (params->basic_rates) {
- int i, j;
- u32 rates = 0;
- struct ieee80211_supported_band *sband = wiphy->bands[band];
-
- for (i = 0; i < params->basic_rates_len; i++) {
- int rate = (params->basic_rates[i] & 0x7f) * 5;
- for (j = 0; j < sband->n_bitrates; j++) {
- if (sband->bitrates[j].bitrate == rate)
- rates |= BIT(j);
- }
- }
- sdata->vif.bss_conf.basic_rates = rates;
+ ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
+ wiphy->bands[band],
+ params->basic_rates,
+ params->basic_rates_len,
+ &sdata->vif.bss_conf.basic_rates);
changed |= BSS_CHANGED_BASIC_RATES;
}
#include "ieee80211_i.h"
#include "rate.h"
-static void __check_htcap_disable(struct ieee80211_sub_if_data *sdata,
+static void __check_htcap_disable(struct ieee80211_ht_cap *ht_capa,
+ struct ieee80211_ht_cap *ht_capa_mask,
struct ieee80211_sta_ht_cap *ht_cap,
u16 flag)
{
__le16 le_flag = cpu_to_le16(flag);
- if (sdata->u.mgd.ht_capa_mask.cap_info & le_flag) {
- if (!(sdata->u.mgd.ht_capa.cap_info & le_flag))
+ if (ht_capa_mask->cap_info & le_flag) {
+ if (!(ht_capa->cap_info & le_flag))
ht_cap->cap &= ~flag;
}
}
void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata,
struct ieee80211_sta_ht_cap *ht_cap)
{
- u8 *scaps = (u8 *)(&sdata->u.mgd.ht_capa.mcs.rx_mask);
- u8 *smask = (u8 *)(&sdata->u.mgd.ht_capa_mask.mcs.rx_mask);
+ struct ieee80211_ht_cap *ht_capa, *ht_capa_mask;
+ u8 *scaps, *smask;
int i;
if (!ht_cap->ht_supported)
return;
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_STATION:
+ ht_capa = &sdata->u.mgd.ht_capa;
+ ht_capa_mask = &sdata->u.mgd.ht_capa_mask;
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ ht_capa = &sdata->u.ibss.ht_capa;
+ ht_capa_mask = &sdata->u.ibss.ht_capa_mask;
+ break;
+ default:
+ WARN_ON_ONCE(1);
+ return;
+ }
+
+ scaps = (u8 *)(&ht_capa->mcs.rx_mask);
+ smask = (u8 *)(&ht_capa_mask->mcs.rx_mask);
+
/* NOTE: If you add more over-rides here, update register_hw
* ht_capa_mod_msk logic in main.c as well.
* And, if this method can ever change ht_cap.ht_supported, fix
}
/* Force removal of HT-40 capabilities? */
- __check_htcap_disable(sdata, ht_cap, IEEE80211_HT_CAP_SUP_WIDTH_20_40);
- __check_htcap_disable(sdata, ht_cap, IEEE80211_HT_CAP_SGI_40);
+ __check_htcap_disable(ht_capa, ht_capa_mask, ht_cap,
+ IEEE80211_HT_CAP_SUP_WIDTH_20_40);
+ __check_htcap_disable(ht_capa, ht_capa_mask, ht_cap,
+ IEEE80211_HT_CAP_SGI_40);
/* Allow user to disable SGI-20 (SGI-40 is handled above) */
- __check_htcap_disable(sdata, ht_cap, IEEE80211_HT_CAP_SGI_20);
+ __check_htcap_disable(ht_capa, ht_capa_mask, ht_cap,
+ IEEE80211_HT_CAP_SGI_20);
/* Allow user to disable the max-AMSDU bit. */
- __check_htcap_disable(sdata, ht_cap, IEEE80211_HT_CAP_MAX_AMSDU);
+ __check_htcap_disable(ht_capa, ht_capa_mask, ht_cap,
+ IEEE80211_HT_CAP_MAX_AMSDU);
/* Allow user to decrease AMPDU factor */
- if (sdata->u.mgd.ht_capa_mask.ampdu_params_info &
+ if (ht_capa_mask->ampdu_params_info &
IEEE80211_HT_AMPDU_PARM_FACTOR) {
- u8 n = sdata->u.mgd.ht_capa.ampdu_params_info
- & IEEE80211_HT_AMPDU_PARM_FACTOR;
+ u8 n = ht_capa->ampdu_params_info &
+ IEEE80211_HT_AMPDU_PARM_FACTOR;
if (n < ht_cap->ampdu_factor)
ht_cap->ampdu_factor = n;
}
/* Allow the user to increase AMPDU density. */
- if (sdata->u.mgd.ht_capa_mask.ampdu_params_info &
+ if (ht_capa_mask->ampdu_params_info &
IEEE80211_HT_AMPDU_PARM_DENSITY) {
- u8 n = (sdata->u.mgd.ht_capa.ampdu_params_info &
+ u8 n = (ht_capa->ampdu_params_info &
IEEE80211_HT_AMPDU_PARM_DENSITY)
>> IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT;
if (n > ht_cap->ampdu_density)
* we advertised a restricted capability set to. Override
* our own capabilities and then use those below.
*/
- if (sdata->vif.type == NL80211_IFTYPE_STATION &&
+ if ((sdata->vif.type == NL80211_IFTYPE_STATION ||
+ sdata->vif.type == NL80211_IFTYPE_ADHOC) &&
!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
ieee80211_apply_htcap_overrides(sdata, &own_cap);
{
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
struct ieee80211_local *local = sdata->local;
- int rates, i;
+ int rates_n = 0, i, ri;
struct ieee80211_mgmt *mgmt;
u8 *pos;
struct ieee80211_supported_band *sband;
struct cfg80211_bss *bss;
- u32 bss_change;
- u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
+ u32 bss_change, rate_flags, rates = 0, rates_added = 0;
struct cfg80211_chan_def chandef;
+ enum nl80211_bss_scan_width scan_width;
+ bool have_higher_than_11mbit = false;
struct beacon_data *presp;
int frame_len;
+ int shift;
sdata_assert_lock(sdata);
chandef = ifibss->chandef;
if (!cfg80211_reg_can_beacon(local->hw.wiphy, &chandef)) {
+ if (chandef.width == NL80211_CHAN_WIDTH_5 ||
+ chandef.width == NL80211_CHAN_WIDTH_10 ||
+ chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
+ chandef.width == NL80211_CHAN_WIDTH_20) {
+ sdata_info(sdata,
+ "Failed to join IBSS, beacons forbidden\n");
+ return;
+ }
chandef.width = NL80211_CHAN_WIDTH_20;
chandef.center_freq1 = chan->center_freq;
}
memcpy(ifibss->bssid, bssid, ETH_ALEN);
sband = local->hw.wiphy->bands[chan->band];
+ shift = ieee80211_vif_get_shift(&sdata->vif);
/* Build IBSS probe response */
frame_len = sizeof(struct ieee80211_hdr_3addr) +
memcpy(pos, ifibss->ssid, ifibss->ssid_len);
pos += ifibss->ssid_len;
- rates = min_t(int, 8, sband->n_bitrates);
+ rate_flags = ieee80211_chandef_rate_flags(&chandef);
+ for (i = 0; i < sband->n_bitrates; i++) {
+ if ((rate_flags & sband->bitrates[i].flags) != rate_flags)
+ continue;
+ if (sband->bitrates[i].bitrate > 110)
+ have_higher_than_11mbit = true;
+
+ rates |= BIT(i);
+ rates_n++;
+ }
+
*pos++ = WLAN_EID_SUPP_RATES;
- *pos++ = rates;
- for (i = 0; i < rates; i++) {
- int rate = sband->bitrates[i].bitrate;
+ *pos++ = min_t(int, 8, rates_n);
+ for (ri = 0; ri < sband->n_bitrates; ri++) {
+ int rate = DIV_ROUND_UP(sband->bitrates[ri].bitrate,
+ 5 * (1 << shift));
u8 basic = 0;
- if (basic_rates & BIT(i))
+ if (!(rates & BIT(ri)))
+ continue;
+
+ if (basic_rates & BIT(ri))
basic = 0x80;
- *pos++ = basic | (u8) (rate / 5);
+ *pos++ = basic | (u8) rate;
+ if (++rates_added == 8) {
+ ri++; /* continue at next rate for EXT_SUPP_RATES */
+ break;
+ }
}
if (sband->band == IEEE80211_BAND_2GHZ) {
*pos++ = 0;
*pos++ = 0;
- if (sband->n_bitrates > 8) {
+ /* put the remaining rates in WLAN_EID_EXT_SUPP_RATES */
+ if (rates_n > 8) {
*pos++ = WLAN_EID_EXT_SUPP_RATES;
- *pos++ = sband->n_bitrates - 8;
- for (i = 8; i < sband->n_bitrates; i++) {
- int rate = sband->bitrates[i].bitrate;
+ *pos++ = rates_n - 8;
+ for (; ri < sband->n_bitrates; ri++) {
+ int rate = DIV_ROUND_UP(sband->bitrates[ri].bitrate,
+ 5 * (1 << shift));
u8 basic = 0;
- if (basic_rates & BIT(i))
+ if (!(rates & BIT(ri)))
+ continue;
+
+ if (basic_rates & BIT(ri))
basic = 0x80;
- *pos++ = basic | (u8) (rate / 5);
+ *pos++ = basic | (u8) rate;
}
}
chandef.width != NL80211_CHAN_WIDTH_5 &&
chandef.width != NL80211_CHAN_WIDTH_10 &&
sband->ht_cap.ht_supported) {
- pos = ieee80211_ie_build_ht_cap(pos, &sband->ht_cap,
- sband->ht_cap.cap);
+ struct ieee80211_sta_ht_cap ht_cap;
+
+ memcpy(&ht_cap, &sband->ht_cap, sizeof(ht_cap));
+ ieee80211_apply_htcap_overrides(sdata, &ht_cap);
+
+ pos = ieee80211_ie_build_ht_cap(pos, &ht_cap, ht_cap.cap);
/*
* Note: According to 802.11n-2009 9.13.3.1, HT Protection
* field and RIFS Mode are reserved in IBSS mode, therefore
sdata->vif.bss_conf.use_short_slot = chan->band == IEEE80211_BAND_5GHZ;
bss_change |= BSS_CHANGED_ERP_SLOT;
+ /* cf. IEEE 802.11 9.2.12 */
+ if (chan->band == IEEE80211_BAND_2GHZ && have_higher_than_11mbit)
+ sdata->flags |= IEEE80211_SDATA_OPERATING_GMODE;
+ else
+ sdata->flags &= ~IEEE80211_SDATA_OPERATING_GMODE;
+
sdata->vif.bss_conf.ibss_joined = true;
sdata->vif.bss_conf.ibss_creator = creator;
ieee80211_bss_info_change_notify(sdata, bss_change);
- ieee80211_sta_def_wmm_params(sdata, sband->n_bitrates, supp_rates);
+ ieee80211_set_wmm_default(sdata, true);
ifibss->state = IEEE80211_IBSS_MLME_JOINED;
mod_timer(&ifibss->timer,
round_jiffies(jiffies + IEEE80211_IBSS_MERGE_INTERVAL));
- bss = cfg80211_inform_bss_frame(local->hw.wiphy, chan,
- mgmt, presp->head_len, 0, GFP_KERNEL);
+ scan_width = cfg80211_chandef_to_scan_width(&chandef);
+ bss = cfg80211_inform_bss_width_frame(local->hw.wiphy, chan,
+ scan_width, mgmt,
+ presp->head_len, 0, GFP_KERNEL);
cfg80211_put_bss(local->hw.wiphy, bss);
netif_carrier_on(sdata->dev);
cfg80211_ibss_joined(sdata->dev, ifibss->bssid, GFP_KERNEL);
u16 beacon_int = cbss->beacon_interval;
const struct cfg80211_bss_ies *ies;
u64 tsf;
+ u32 rate_flags;
+ int shift;
sdata_assert_lock(sdata);
beacon_int = 10;
sband = sdata->local->hw.wiphy->bands[cbss->channel->band];
+ rate_flags = ieee80211_chandef_rate_flags(&sdata->u.ibss.chandef);
+ shift = ieee80211_vif_get_shift(&sdata->vif);
basic_rates = 0;
for (i = 0; i < bss->supp_rates_len; i++) {
- int rate = (bss->supp_rates[i] & 0x7f) * 5;
+ int rate = bss->supp_rates[i] & 0x7f;
bool is_basic = !!(bss->supp_rates[i] & 0x80);
for (j = 0; j < sband->n_bitrates; j++) {
- if (sband->bitrates[j].bitrate == rate) {
+ int brate;
+ if ((rate_flags & sband->bitrates[j].flags)
+ != rate_flags)
+ continue;
+
+ brate = DIV_ROUND_UP(sband->bitrates[j].bitrate,
+ 5 * (1 << shift));
+ if (brate == rate) {
if (is_basic)
basic_rates |= BIT(j);
break;
struct sta_info *sta;
struct ieee80211_chanctx_conf *chanctx_conf;
struct ieee80211_supported_band *sband;
+ enum nl80211_bss_scan_width scan_width;
int band;
/*
if (WARN_ON_ONCE(!chanctx_conf))
return NULL;
band = chanctx_conf->def.chan->band;
+ scan_width = cfg80211_chandef_to_scan_width(&chanctx_conf->def);
rcu_read_unlock();
sta = sta_info_alloc(sdata, addr, GFP_KERNEL);
/* make sure mandatory rates are always added */
sband = local->hw.wiphy->bands[band];
sta->sta.supp_rates[band] = supp_rates |
- ieee80211_mandatory_rates(sband);
+ ieee80211_mandatory_rates(sband, scan_width);
return ieee80211_ibss_finish_sta(sta);
}
u64 beacon_timestamp, rx_timestamp;
u32 supp_rates = 0;
enum ieee80211_band band = rx_status->band;
+ enum nl80211_bss_scan_width scan_width;
struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band];
bool rates_updated = false;
sta = sta_info_get(sdata, mgmt->sa);
if (elems->supp_rates) {
- supp_rates = ieee80211_sta_get_rates(local, elems,
+ supp_rates = ieee80211_sta_get_rates(sdata, elems,
band, NULL);
if (sta) {
u32 prev_rates;
prev_rates = sta->sta.supp_rates[band];
/* make sure mandatory rates are always added */
- sta->sta.supp_rates[band] = supp_rates |
- ieee80211_mandatory_rates(sband);
+ scan_width = NL80211_BSS_CHAN_WIDTH_20;
+ if (rx_status->flag & RX_FLAG_5MHZ)
+ scan_width = NL80211_BSS_CHAN_WIDTH_5;
+ if (rx_status->flag & RX_FLAG_10MHZ)
+ scan_width = NL80211_BSS_CHAN_WIDTH_10;
+ sta->sta.supp_rates[band] = supp_rates |
+ ieee80211_mandatory_rates(sband,
+ scan_width);
if (sta->sta.supp_rates[band] != prev_rates) {
ibss_dbg(sdata,
"updated supp_rates set for %pM based on beacon/probe_resp (0x%x -> 0x%x)\n",
"beacon TSF higher than local TSF - IBSS merge with BSSID %pM\n",
mgmt->bssid);
ieee80211_sta_join_ibss(sdata, bss);
- supp_rates = ieee80211_sta_get_rates(local, elems, band, NULL);
+ supp_rates = ieee80211_sta_get_rates(sdata, elems, band, NULL);
ieee80211_ibss_add_sta(sdata, mgmt->bssid, mgmt->sa,
supp_rates);
rcu_read_unlock();
struct sta_info *sta;
struct ieee80211_chanctx_conf *chanctx_conf;
struct ieee80211_supported_band *sband;
+ enum nl80211_bss_scan_width scan_width;
int band;
/*
return;
}
band = chanctx_conf->def.chan->band;
+ scan_width = cfg80211_chandef_to_scan_width(&chanctx_conf->def);
rcu_read_unlock();
sta = sta_info_alloc(sdata, addr, GFP_ATOMIC);
/* make sure mandatory rates are always added */
sband = local->hw.wiphy->bands[band];
sta->sta.supp_rates[band] = supp_rates |
- ieee80211_mandatory_rates(sband);
+ ieee80211_mandatory_rates(sband, scan_width);
spin_lock(&ifibss->incomplete_lock);
list_add(&sta->list, &ifibss->incomplete_stations);
static void ieee80211_sta_merge_ibss(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
+ enum nl80211_bss_scan_width scan_width;
sdata_assert_lock(sdata);
sdata_info(sdata,
"No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge)\n");
+ scan_width = cfg80211_chandef_to_scan_width(&ifibss->chandef);
ieee80211_request_ibss_scan(sdata, ifibss->ssid, ifibss->ssid_len,
- NULL);
+ NULL, scan_width);
}
static void ieee80211_sta_create_ibss(struct ieee80211_sub_if_data *sdata)
struct cfg80211_bss *cbss;
struct ieee80211_channel *chan = NULL;
const u8 *bssid = NULL;
+ enum nl80211_bss_scan_width scan_width;
int active_ibss;
u16 capability;
IEEE80211_SCAN_INTERVAL)) {
sdata_info(sdata, "Trigger new scan to find an IBSS to join\n");
+ scan_width = cfg80211_chandef_to_scan_width(&ifibss->chandef);
ieee80211_request_ibss_scan(sdata, ifibss->ssid,
- ifibss->ssid_len, chan);
+ ifibss->ssid_len, chan,
+ scan_width);
} else {
int interval = IEEE80211_SCAN_INTERVAL;
struct cfg80211_ibss_params *params)
{
u32 changed = 0;
+ u32 rate_flags;
+ struct ieee80211_supported_band *sband;
+ int i;
if (params->bssid) {
memcpy(sdata->u.ibss.bssid, params->bssid, ETH_ALEN);
sdata->u.ibss.privacy = params->privacy;
sdata->u.ibss.control_port = params->control_port;
sdata->u.ibss.basic_rates = params->basic_rates;
+
+ /* fix basic_rates if channel does not support these rates */
+ rate_flags = ieee80211_chandef_rate_flags(¶ms->chandef);
+ sband = sdata->local->hw.wiphy->bands[params->chandef.chan->band];
+ for (i = 0; i < sband->n_bitrates; i++) {
+ if ((rate_flags & sband->bitrates[i].flags) != rate_flags)
+ sdata->u.ibss.basic_rates &= ~BIT(i);
+ }
memcpy(sdata->vif.bss_conf.mcast_rate, params->mcast_rate,
sizeof(params->mcast_rate));
memcpy(sdata->u.ibss.ssid, params->ssid, params->ssid_len);
sdata->u.ibss.ssid_len = params->ssid_len;
+ memcpy(&sdata->u.ibss.ht_capa, ¶ms->ht_capa,
+ sizeof(sdata->u.ibss.ht_capa));
+ memcpy(&sdata->u.ibss.ht_capa_mask, ¶ms->ht_capa_mask,
+ sizeof(sdata->u.ibss.ht_capa_mask));
+
/*
* 802.11n-2009 9.13.3.1: In an IBSS, the HT Protection field is
* reserved, but an HT STA shall protect HT transmissions as though
presp = rcu_dereference_protected(ifibss->presp,
lockdep_is_held(&sdata->wdev.mtx));
RCU_INIT_POINTER(sdata->u.ibss.presp, NULL);
+
+ /* on the next join, re-program HT parameters */
+ memset(&ifibss->ht_capa, 0, sizeof(ifibss->ht_capa));
+ memset(&ifibss->ht_capa_mask, 0, sizeof(ifibss->ht_capa_mask));
+
sdata->vif.bss_conf.ibss_joined = false;
sdata->vif.bss_conf.ibss_creator = false;
sdata->vif.bss_conf.enable_beacon = false;
/* probe response/beacon for IBSS */
struct beacon_data __rcu *presp;
+ struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */
+ struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */
+
spinlock_t incomplete_lock;
struct list_head incomplete_stations;
return band;
}
+static inline int
+ieee80211_chandef_get_shift(struct cfg80211_chan_def *chandef)
+{
+ switch (chandef->width) {
+ case NL80211_CHAN_WIDTH_5:
+ return 2;
+ case NL80211_CHAN_WIDTH_10:
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+static inline int
+ieee80211_vif_get_shift(struct ieee80211_vif *vif)
+{
+ struct ieee80211_chanctx_conf *chanctx_conf;
+ int shift = 0;
+
+ rcu_read_lock();
+ chanctx_conf = rcu_dereference(vif->chanctx_conf);
+ if (chanctx_conf)
+ shift = ieee80211_chandef_get_shift(&chanctx_conf->def);
+ rcu_read_unlock();
+
+ return shift;
+}
+
enum sdata_queue_type {
IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0,
IEEE80211_SDATA_QUEUE_AGG_START = 1,
struct cfg80211_ssid scan_ssid;
struct cfg80211_scan_request *int_scan_req;
struct cfg80211_scan_request *scan_req, *hw_scan_req;
- struct ieee80211_channel *scan_channel;
+ struct cfg80211_chan_def scan_chandef;
enum ieee80211_band hw_scan_band;
int scan_channel_idx;
int scan_ies_len;
void ieee80211_scan_work(struct work_struct *work);
int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata,
const u8 *ssid, u8 ssid_len,
- struct ieee80211_channel *chan);
+ struct ieee80211_channel *chan,
+ enum nl80211_bss_scan_width scan_width);
int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
struct cfg80211_scan_request *req);
void ieee80211_scan_cancel(struct ieee80211_local *local);
u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
enum nl80211_iftype type);
int ieee80211_frame_duration(enum ieee80211_band band, size_t len,
- int rate, int erp, int short_preamble);
+ int rate, int erp, int short_preamble,
+ int shift);
void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx,
struct ieee80211_hdr *hdr, const u8 *tsc,
gfp_t gfp);
int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
size_t buffer_len, const u8 *ie, size_t ie_len,
enum ieee80211_band band, u32 rate_mask,
- u8 channel);
+ struct cfg80211_chan_def *chandef);
struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
u8 *dst, u32 ratemask,
struct ieee80211_channel *chan,
u32 ratemask, bool directed, u32 tx_flags,
struct ieee80211_channel *channel, bool scan);
-void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
- const size_t supp_rates_len,
- const u8 *supp_rates);
-u32 ieee80211_sta_get_rates(struct ieee80211_local *local,
+u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata,
struct ieee802_11_elems *elems,
enum ieee80211_band band, u32 *basic_rates);
int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
u16 prot_mode);
u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
u32 cap);
+int ieee80211_parse_bitrates(struct cfg80211_chan_def *chandef,
+ const struct ieee80211_supported_band *sband,
+ const u8 *srates, int srates_len, u32 *rates);
int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb, bool need_basic,
enum ieee80211_band band);
return false;
}
- power = chanctx_conf->def.chan->max_power;
+ power = ieee80211_chandef_max_power(&chanctx_conf->def);
rcu_read_unlock();
if (sdata->user_power_level != IEEE80211_UNSET_POWER_LEVEL)
offchannel_flag = local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL;
- if (local->scan_channel) {
- chandef.chan = local->scan_channel;
- /* If scanning on oper channel, use whatever channel-type
- * is currently in use.
- */
- if (chandef.chan == local->_oper_chandef.chan) {
- chandef = local->_oper_chandef;
- } else {
- chandef.width = NL80211_CHAN_WIDTH_20_NOHT;
- chandef.center_freq1 = chandef.chan->center_freq;
- }
+ if (local->scan_chandef.chan) {
+ chandef = local->scan_chandef;
} else if (local->tmp_channel) {
chandef.chan = local->tmp_channel;
chandef.width = NL80211_CHAN_WIDTH_20_NOHT;
changed |= IEEE80211_CONF_CHANGE_SMPS;
}
- power = chandef.chan->max_power;
+ power = ieee80211_chandef_max_power(&chandef);
rcu_read_lock();
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
struct ieee802_11_elems *ie)
{
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
- struct ieee80211_local *local = sdata->local;
u32 basic_rates = 0;
struct cfg80211_chan_def sta_chan_def;
(ifmsh->mesh_auth_id == ie->mesh_config->meshconf_auth)))
return false;
- ieee80211_sta_get_rates(local, ie, ieee80211_get_sdata_band(sdata),
+ ieee80211_sta_get_rates(sdata, ie, ieee80211_get_sdata_band(sdata),
&basic_rates);
if (sdata->vif.bss_conf.basic_rates != basic_rates)
neighbors = min_t(int, neighbors, IEEE80211_MAX_MESH_PEERINGS);
*pos++ = neighbors << 1;
/* Mesh capability */
- *pos = IEEE80211_MESHCONF_CAPAB_FORWARDING;
+ *pos = 0x00;
+ *pos |= ifmsh->mshcfg.dot11MeshForwarding ?
+ IEEE80211_MESHCONF_CAPAB_FORWARDING : 0x00;
*pos |= ifmsh->accepting_plinks ?
IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS : 0x00;
/* Mesh PS mode. See IEEE802.11-2012 8.4.2.100.8 */
u32 rates, basic_rates = 0, changed = 0;
sband = local->hw.wiphy->bands[band];
- rates = ieee80211_sta_get_rates(local, elems, band, &basic_rates);
+ rates = ieee80211_sta_get_rates(sdata, elems, band, &basic_rates);
spin_lock_bh(&sta->lock);
sta->last_rx = jiffies;
/* frame sending functions */
-static int ieee80211_compatible_rates(const u8 *supp_rates, int supp_rates_len,
- struct ieee80211_supported_band *sband,
- u32 *rates)
-{
- int i, j, count;
- *rates = 0;
- count = 0;
- for (i = 0; i < supp_rates_len; i++) {
- int rate = (supp_rates[i] & 0x7F) * 5;
-
- for (j = 0; j < sband->n_bitrates; j++)
- if (sband->bitrates[j].bitrate == rate) {
- *rates |= BIT(j);
- count++;
- break;
- }
- }
-
- return count;
-}
-
static void ieee80211_add_ht_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb, u8 ap_ht_param,
struct ieee80211_supported_band *sband,
struct ieee80211_mgmt *mgmt;
u8 *pos, qos_info;
size_t offset = 0, noffset;
- int i, count, rates_len, supp_rates_len;
+ int i, count, rates_len, supp_rates_len, shift;
u16 capab;
struct ieee80211_supported_band *sband;
struct ieee80211_chanctx_conf *chanctx_conf;
struct ieee80211_channel *chan;
- u32 rates = 0;
+ u32 rate_flags, rates = 0;
sdata_assert_lock(sdata);
return;
}
chan = chanctx_conf->def.chan;
+ rate_flags = ieee80211_chandef_rate_flags(&chanctx_conf->def);
rcu_read_unlock();
sband = local->hw.wiphy->bands[chan->band];
+ shift = ieee80211_vif_get_shift(&sdata->vif);
if (assoc_data->supp_rates_len) {
/*
* in the association request (e.g. D-Link DAP 1353 in
* b-only mode)...
*/
- rates_len = ieee80211_compatible_rates(assoc_data->supp_rates,
- assoc_data->supp_rates_len,
- sband, &rates);
+ rates_len = ieee80211_parse_bitrates(&chanctx_conf->def, sband,
+ assoc_data->supp_rates,
+ assoc_data->supp_rates_len,
+ &rates);
} else {
/*
* In case AP not provide any supported rates information
* before association, we send information element(s) with
* all rates that we support.
*/
- rates = ~0;
- rates_len = sband->n_bitrates;
+ rates_len = 0;
+ for (i = 0; i < sband->n_bitrates; i++) {
+ if ((rate_flags & sband->bitrates[i].flags)
+ != rate_flags)
+ continue;
+ rates |= BIT(i);
+ rates_len++;
+ }
}
skb = alloc_skb(local->hw.extra_tx_headroom +
count = 0;
for (i = 0; i < sband->n_bitrates; i++) {
if (BIT(i) & rates) {
- int rate = sband->bitrates[i].bitrate;
- *pos++ = (u8) (rate / 5);
+ int rate = DIV_ROUND_UP(sband->bitrates[i].bitrate,
+ 5 * (1 << shift));
+ *pos++ = (u8) rate;
if (++count == 8)
break;
}
for (i++; i < sband->n_bitrates; i++) {
if (BIT(i) & rates) {
- int rate = sband->bitrates[i].bitrate;
- *pos++ = (u8) (rate / 5);
+ int rate;
+ rate = DIV_ROUND_UP(sband->bitrates[i].bitrate,
+ 5 * (1 << shift));
+ *pos++ = (u8) rate;
}
}
}
*pos++ = WLAN_EID_PWR_CAPABILITY;
*pos++ = 2;
*pos++ = 0; /* min tx power */
- *pos++ = chan->max_power; /* max tx power */
+ /* max tx power */
+ *pos++ = ieee80211_chandef_max_power(&chanctx_conf->def);
/* 2. supported channels */
/* TODO: get this in reg domain format */
u8 *supp_rates, unsigned int supp_rates_len,
u32 *rates, u32 *basic_rates,
bool *have_higher_than_11mbit,
- int *min_rate, int *min_rate_index)
+ int *min_rate, int *min_rate_index,
+ int shift, u32 rate_flags)
{
int i, j;
for (i = 0; i < supp_rates_len; i++) {
- int rate = (supp_rates[i] & 0x7f) * 5;
+ int rate = supp_rates[i] & 0x7f;
bool is_basic = !!(supp_rates[i] & 0x80);
- if (rate > 110)
+ if ((rate * 5 * (1 << shift)) > 110)
*have_higher_than_11mbit = true;
/*
continue;
for (j = 0; j < sband->n_bitrates; j++) {
- if (sband->bitrates[j].bitrate == rate) {
+ struct ieee80211_rate *br;
+ int brate;
+
+ br = &sband->bitrates[j];
+ if ((rate_flags & br->flags) != rate_flags)
+ continue;
+
+ brate = DIV_ROUND_UP(br->bitrate, (1 << shift) * 5);
+ if (brate == rate) {
*rates |= BIT(j);
if (is_basic)
*basic_rates |= BIT(j);
- if (rate < *min_rate) {
- *min_rate = rate;
+ if ((rate * 5) < *min_rate) {
+ *min_rate = rate * 5;
*min_rate_index = j;
}
break;
if (!new_sta)
return -ENOMEM;
}
-
if (new_sta) {
u32 rates = 0, basic_rates = 0;
bool have_higher_than_11mbit;
int min_rate = INT_MAX, min_rate_index = -1;
+ struct ieee80211_chanctx_conf *chanctx_conf;
struct ieee80211_supported_band *sband;
const struct cfg80211_bss_ies *ies;
+ int shift;
+ u32 rate_flags;
sband = local->hw.wiphy->bands[cbss->channel->band];
err = ieee80211_prep_channel(sdata, cbss);
if (err) {
sta_info_free(local, new_sta);
- return err;
+ return -EINVAL;
}
+ shift = ieee80211_vif_get_shift(&sdata->vif);
+
+ rcu_read_lock();
+ chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
+ if (WARN_ON(!chanctx_conf)) {
+ rcu_read_unlock();
+ return -EINVAL;
+ }
+ rate_flags = ieee80211_chandef_rate_flags(&chanctx_conf->def);
+ rcu_read_unlock();
ieee80211_get_rates(sband, bss->supp_rates,
bss->supp_rates_len,
&rates, &basic_rates,
&have_higher_than_11mbit,
- &min_rate, &min_rate_index);
+ &min_rate, &min_rate_index,
+ shift, rate_flags);
/*
* This used to be a workaround for basic rates missing
/* could not find a basic rate; use original selection */
}
-static inline s8
-rate_lowest_non_cck_index(struct ieee80211_supported_band *sband,
- struct ieee80211_sta *sta)
+static void __rate_control_send_low(struct ieee80211_hw *hw,
+ struct ieee80211_supported_band *sband,
+ struct ieee80211_sta *sta,
+ struct ieee80211_tx_info *info)
{
int i;
+ u32 rate_flags =
+ ieee80211_chandef_rate_flags(&hw->conf.chandef);
+ if ((sband->band == IEEE80211_BAND_2GHZ) &&
+ (info->flags & IEEE80211_TX_CTL_NO_CCK_RATE))
+ rate_flags |= IEEE80211_RATE_ERP_G;
+
+ info->control.rates[0].idx = 0;
for (i = 0; i < sband->n_bitrates; i++) {
- struct ieee80211_rate *srate = &sband->bitrates[i];
- if ((srate->bitrate == 10) || (srate->bitrate == 20) ||
- (srate->bitrate == 55) || (srate->bitrate == 110))
+ if (!rate_supported(sta, sband->band, i))
continue;
- if (rate_supported(sta, sband->band, i))
- return i;
+ info->control.rates[0].idx = i;
+ break;
}
-
- /* No matching rate found */
- return 0;
-}
-
-static void __rate_control_send_low(struct ieee80211_hw *hw,
- struct ieee80211_supported_band *sband,
- struct ieee80211_sta *sta,
- struct ieee80211_tx_info *info)
-{
- if ((sband->band != IEEE80211_BAND_2GHZ) ||
- !(info->flags & IEEE80211_TX_CTL_NO_CCK_RATE))
- info->control.rates[0].idx = rate_lowest_index(sband, sta);
- else
- info->control.rates[0].idx =
- rate_lowest_non_cck_index(sband, sta);
+ WARN_ON_ONCE(i == sband->n_bitrates);
info->control.rates[0].count =
(info->flags & IEEE80211_TX_CTL_NO_ACK) ?
u8 mcs_mask[IEEE80211_HT_MCS_MASK_LEN];
bool has_mcs_mask;
u32 mask;
+ u32 rate_flags;
int i;
/*
*/
mask = sdata->rc_rateidx_mask[info->band];
has_mcs_mask = sdata->rc_has_mcs_mask[info->band];
+ rate_flags =
+ ieee80211_chandef_rate_flags(&sdata->vif.bss_conf.chandef);
+ for (i = 0; i < sband->n_bitrates; i++)
+ if ((rate_flags & sband->bitrates[i].flags) != rate_flags)
+ mask &= ~BIT(i);
+
if (mask == (1 << sband->n_bitrates) - 1 && !has_mcs_mask)
return;
}
sband = local->hw.wiphy->bands[chanctx_conf->def.chan->band];
- rcu_read_unlock();
ieee80211_sta_set_rx_nss(sta);
- ref->ops->rate_init(ref->priv, sband, ista, priv_sta);
+ ref->ops->rate_init(ref->priv, sband, &chanctx_conf->def, ista,
+ priv_sta);
+ rcu_read_unlock();
set_sta_flag(sta, WLAN_STA_RATE_CONTROL);
}
struct rate_control_ref *ref = local->rate_ctrl;
struct ieee80211_sta *ista = &sta->sta;
void *priv_sta = sta->rate_ctrl_priv;
+ struct ieee80211_chanctx_conf *chanctx_conf;
+
+ if (ref && ref->ops->rate_update) {
+ rcu_read_lock();
- if (ref && ref->ops->rate_update)
- ref->ops->rate_update(ref->priv, sband, ista,
- priv_sta, changed);
+ chanctx_conf = rcu_dereference(sta->sdata->vif.chanctx_conf);
+ if (WARN_ON(!chanctx_conf)) {
+ rcu_read_unlock();
+ return;
+ }
+
+ ref->ops->rate_update(ref->priv, sband, &chanctx_conf->def,
+ ista, priv_sta, changed);
+ rcu_read_unlock();
+ }
drv_sta_rc_update(local, sta->sdata, &sta->sta, changed);
}
static void
calc_rate_durations(enum ieee80211_band band,
struct minstrel_rate *d,
- struct ieee80211_rate *rate)
+ struct ieee80211_rate *rate,
+ struct cfg80211_chan_def *chandef)
{
int erp = !!(rate->flags & IEEE80211_RATE_ERP_G);
+ int shift = ieee80211_chandef_get_shift(chandef);
d->perfect_tx_time = ieee80211_frame_duration(band, 1200,
- rate->bitrate, erp, 1);
+ DIV_ROUND_UP(rate->bitrate, 1 << shift), erp, 1,
+ shift);
d->ack_time = ieee80211_frame_duration(band, 10,
- rate->bitrate, erp, 1);
+ DIV_ROUND_UP(rate->bitrate, 1 << shift), erp, 1,
+ shift);
}
static void
static void
minstrel_rate_init(void *priv, struct ieee80211_supported_band *sband,
- struct ieee80211_sta *sta, void *priv_sta)
+ struct cfg80211_chan_def *chandef,
+ struct ieee80211_sta *sta, void *priv_sta)
{
struct minstrel_sta_info *mi = priv_sta;
struct minstrel_priv *mp = priv;
struct ieee80211_rate *ctl_rate;
unsigned int i, n = 0;
unsigned int t_slot = 9; /* FIXME: get real slot time */
+ u32 rate_flags;
mi->sta = sta;
mi->lowest_rix = rate_lowest_index(sband, sta);
ctl_rate = &sband->bitrates[mi->lowest_rix];
mi->sp_ack_dur = ieee80211_frame_duration(sband->band, 10,
ctl_rate->bitrate,
- !!(ctl_rate->flags & IEEE80211_RATE_ERP_G), 1);
+ !!(ctl_rate->flags & IEEE80211_RATE_ERP_G), 1,
+ ieee80211_chandef_get_shift(chandef));
+ rate_flags = ieee80211_chandef_rate_flags(&mp->hw->conf.chandef);
memset(mi->max_tp_rate, 0, sizeof(mi->max_tp_rate));
mi->max_prob_rate = 0;
unsigned int tx_time = 0, tx_time_cts = 0, tx_time_rtscts = 0;
unsigned int tx_time_single;
unsigned int cw = mp->cw_min;
+ int shift;
if (!rate_supported(sta, sband->band, i))
continue;
+ if ((rate_flags & sband->bitrates[i].flags) != rate_flags)
+ continue;
+
n++;
memset(mr, 0, sizeof(*mr));
mr->rix = i;
- mr->bitrate = sband->bitrates[i].bitrate / 5;
- calc_rate_durations(sband->band, mr, &sband->bitrates[i]);
+ shift = ieee80211_chandef_get_shift(chandef);
+ mr->bitrate = DIV_ROUND_UP(sband->bitrates[i].bitrate,
+ (1 << shift) * 5);
+ calc_rate_durations(sband->band, mr, &sband->bitrates[i],
+ chandef);
/* calculate maximum number of retransmissions before
* fallback (based on maximum segment size) */
{
static const int bitrates[4] = { 10, 20, 55, 110 };
struct ieee80211_supported_band *sband;
+ u32 rate_flags = ieee80211_chandef_rate_flags(&mp->hw->conf.chandef);
int i, j;
sband = mp->hw->wiphy->bands[IEEE80211_BAND_2GHZ];
if (rate->flags & IEEE80211_RATE_ERP_G)
continue;
+ if ((rate_flags & sband->bitrates[i].flags) != rate_flags)
+ continue;
+
for (j = 0; j < ARRAY_SIZE(bitrates); j++) {
if (rate->bitrate != bitrates[j])
continue;
static void
minstrel_ht_update_caps(void *priv, struct ieee80211_supported_band *sband,
+ struct cfg80211_chan_def *chandef,
struct ieee80211_sta *sta, void *priv_sta)
{
struct minstrel_priv *mp = priv;
mi->sta = sta;
mi->stats_update = jiffies;
- ack_dur = ieee80211_frame_duration(sband->band, 10, 60, 1, 1);
- mi->overhead = ieee80211_frame_duration(sband->band, 0, 60, 1, 1) + ack_dur;
+ ack_dur = ieee80211_frame_duration(sband->band, 10, 60, 1, 1, 0);
+ mi->overhead = ieee80211_frame_duration(sband->band, 0, 60, 1, 1, 0);
+ mi->overhead += ack_dur;
mi->overhead_rtscts = mi->overhead + 2 * ack_dur;
mi->avg_ampdu_len = MINSTREL_FRAC(1, 1);
memset(&msp->legacy, 0, sizeof(msp->legacy));
msp->legacy.r = msp->ratelist;
msp->legacy.sample_table = msp->sample_table;
- return mac80211_minstrel.rate_init(priv, sband, sta, &msp->legacy);
+ return mac80211_minstrel.rate_init(priv, sband, chandef, sta,
+ &msp->legacy);
}
static void
minstrel_ht_rate_init(void *priv, struct ieee80211_supported_band *sband,
+ struct cfg80211_chan_def *chandef,
struct ieee80211_sta *sta, void *priv_sta)
{
- minstrel_ht_update_caps(priv, sband, sta, priv_sta);
+ minstrel_ht_update_caps(priv, sband, chandef, sta, priv_sta);
}
static void
minstrel_ht_rate_update(void *priv, struct ieee80211_supported_band *sband,
+ struct cfg80211_chan_def *chandef,
struct ieee80211_sta *sta, void *priv_sta,
u32 changed)
{
- minstrel_ht_update_caps(priv, sband, sta, priv_sta);
+ minstrel_ht_update_caps(priv, sband, chandef, sta, priv_sta);
}
static void *
static void
rate_control_pid_rate_init(void *priv, struct ieee80211_supported_band *sband,
+ struct cfg80211_chan_def *chandef,
struct ieee80211_sta *sta, void *priv_sta)
{
struct rc_pid_sta_info *spinfo = priv_sta;
int len;
/* always present fields */
- len = sizeof(struct ieee80211_radiotap_header) + 9;
+ len = sizeof(struct ieee80211_radiotap_header) + 8;
- /* allocate extra bitmap */
+ /* allocate extra bitmaps */
if (status->vendor_radiotap_len)
len += 4;
+ if (status->chains)
+ len += 4 * hweight8(status->chains);
if (ieee80211_have_rx_timestamp(status)) {
len = ALIGN(len, 8);
if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
len += 1;
+ /* antenna field, if we don't have per-chain info */
+ if (!status->chains)
+ len += 1;
+
/* padding for RX_FLAGS if necessary */
len = ALIGN(len, 2);
len += 12;
}
+ if (status->chains) {
+ /* antenna and antenna signal fields */
+ len += 2 * hweight8(status->chains);
+ }
+
if (status->vendor_radiotap_len) {
if (WARN_ON_ONCE(status->vendor_radiotap_align == 0))
status->vendor_radiotap_align = 1;
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
struct ieee80211_radiotap_header *rthdr;
unsigned char *pos;
+ __le32 *it_present;
+ u32 it_present_val;
u16 rx_flags = 0;
- int mpdulen;
+ u16 channel_flags = 0;
+ int mpdulen, chain;
+ unsigned long chains = status->chains;
mpdulen = skb->len;
if (!(has_fcs && (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS)))
rthdr = (struct ieee80211_radiotap_header *)skb_push(skb, rtap_len);
memset(rthdr, 0, rtap_len);
+ it_present = &rthdr->it_present;
/* radiotap header, set always present flags */
- rthdr->it_present =
- cpu_to_le32((1 << IEEE80211_RADIOTAP_FLAGS) |
- (1 << IEEE80211_RADIOTAP_CHANNEL) |
- (1 << IEEE80211_RADIOTAP_ANTENNA) |
- (1 << IEEE80211_RADIOTAP_RX_FLAGS));
rthdr->it_len = cpu_to_le16(rtap_len + status->vendor_radiotap_len);
+ it_present_val = BIT(IEEE80211_RADIOTAP_FLAGS) |
+ BIT(IEEE80211_RADIOTAP_CHANNEL) |
+ BIT(IEEE80211_RADIOTAP_RX_FLAGS);
- pos = (unsigned char *)(rthdr + 1);
+ if (!status->chains)
+ it_present_val |= BIT(IEEE80211_RADIOTAP_ANTENNA);
+
+ for_each_set_bit(chain, &chains, IEEE80211_MAX_CHAINS) {
+ it_present_val |=
+ BIT(IEEE80211_RADIOTAP_EXT) |
+ BIT(IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE);
+ put_unaligned_le32(it_present_val, it_present);
+ it_present++;
+ it_present_val = BIT(IEEE80211_RADIOTAP_ANTENNA) |
+ BIT(IEEE80211_RADIOTAP_DBM_ANTSIGNAL);
+ }
if (status->vendor_radiotap_len) {
- rthdr->it_present |=
- cpu_to_le32(BIT(IEEE80211_RADIOTAP_VENDOR_NAMESPACE)) |
- cpu_to_le32(BIT(IEEE80211_RADIOTAP_EXT));
- put_unaligned_le32(status->vendor_radiotap_bitmap, pos);
- pos += 4;
+ it_present_val |= BIT(IEEE80211_RADIOTAP_VENDOR_NAMESPACE) |
+ BIT(IEEE80211_RADIOTAP_EXT);
+ put_unaligned_le32(it_present_val, it_present);
+ it_present++;
+ it_present_val = status->vendor_radiotap_bitmap;
}
+ put_unaligned_le32(it_present_val, it_present);
+
+ pos = (void *)(it_present + 1);
+
/* the order of the following fields is important */
/* IEEE80211_RADIOTAP_TSFT */
*/
*pos = 0;
} else {
+ int shift = 0;
rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_RATE);
- *pos = rate->bitrate / 5;
+ if (status->flag & RX_FLAG_10MHZ)
+ shift = 1;
+ else if (status->flag & RX_FLAG_5MHZ)
+ shift = 2;
+ *pos = DIV_ROUND_UP(rate->bitrate, 5 * (1 << shift));
}
pos++;
/* IEEE80211_RADIOTAP_CHANNEL */
put_unaligned_le16(status->freq, pos);
pos += 2;
+ if (status->flag & RX_FLAG_10MHZ)
+ channel_flags |= IEEE80211_CHAN_HALF;
+ else if (status->flag & RX_FLAG_5MHZ)
+ channel_flags |= IEEE80211_CHAN_QUARTER;
+
if (status->band == IEEE80211_BAND_5GHZ)
- put_unaligned_le16(IEEE80211_CHAN_OFDM | IEEE80211_CHAN_5GHZ,
- pos);
+ channel_flags |= IEEE80211_CHAN_OFDM | IEEE80211_CHAN_5GHZ;
else if (status->flag & (RX_FLAG_HT | RX_FLAG_VHT))
- put_unaligned_le16(IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ,
- pos);
+ channel_flags |= IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ;
else if (rate && rate->flags & IEEE80211_RATE_ERP_G)
- put_unaligned_le16(IEEE80211_CHAN_OFDM | IEEE80211_CHAN_2GHZ,
- pos);
+ channel_flags |= IEEE80211_CHAN_OFDM | IEEE80211_CHAN_2GHZ;
else if (rate)
- put_unaligned_le16(IEEE80211_CHAN_CCK | IEEE80211_CHAN_2GHZ,
- pos);
+ channel_flags |= IEEE80211_CHAN_OFDM | IEEE80211_CHAN_2GHZ;
else
- put_unaligned_le16(IEEE80211_CHAN_2GHZ, pos);
+ channel_flags |= IEEE80211_CHAN_2GHZ;
+ put_unaligned_le16(channel_flags, pos);
pos += 2;
/* IEEE80211_RADIOTAP_DBM_ANTSIGNAL */
/* IEEE80211_RADIOTAP_LOCK_QUALITY is missing */
- /* IEEE80211_RADIOTAP_ANTENNA */
- *pos = status->antenna;
- pos++;
+ if (!status->chains) {
+ /* IEEE80211_RADIOTAP_ANTENNA */
+ *pos = status->antenna;
+ pos++;
+ }
/* IEEE80211_RADIOTAP_DB_ANTNOISE is not used */
pos += 2;
}
+ for_each_set_bit(chain, &chains, IEEE80211_MAX_CHAINS) {
+ *pos++ = status->chain_signal[chain];
+ *pos++ = chain;
+ }
+
if (status->vendor_radiotap_len) {
/* ensure 2 byte alignment for the vendor field as required */
if ((pos - (u8 *)rthdr) & 1)
struct cfg80211_bss *cbss;
struct ieee80211_bss *bss;
int clen, srlen;
+ enum nl80211_bss_scan_width scan_width;
s32 signal = 0;
if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
else if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)
signal = (rx_status->signal * 100) / local->hw.max_signal;
- cbss = cfg80211_inform_bss_frame(local->hw.wiphy, channel,
- mgmt, len, signal, GFP_ATOMIC);
+ scan_width = NL80211_BSS_CHAN_WIDTH_20;
+ if (rx_status->flag & RX_FLAG_5MHZ)
+ scan_width = NL80211_BSS_CHAN_WIDTH_5;
+ if (rx_status->flag & RX_FLAG_10MHZ)
+ scan_width = NL80211_BSS_CHAN_WIDTH_10;
+
+ cbss = cfg80211_inform_bss_width_frame(local->hw.wiphy, channel,
+ scan_width, mgmt, len, signal,
+ GFP_ATOMIC);
if (!cbss)
return NULL;
ieee80211_rx_bss_put(local, bss);
}
+static void
+ieee80211_prepare_scan_chandef(struct cfg80211_chan_def *chandef,
+ enum nl80211_bss_scan_width scan_width)
+{
+ memset(chandef, 0, sizeof(*chandef));
+ switch (scan_width) {
+ case NL80211_BSS_CHAN_WIDTH_5:
+ chandef->width = NL80211_CHAN_WIDTH_5;
+ break;
+ case NL80211_BSS_CHAN_WIDTH_10:
+ chandef->width = NL80211_CHAN_WIDTH_10;
+ break;
+ default:
+ chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
+ break;
+ }
+}
+
/* return false if no more work */
static bool ieee80211_prep_hw_scan(struct ieee80211_local *local)
{
struct cfg80211_scan_request *req = local->scan_req;
+ struct cfg80211_chan_def chandef;
enum ieee80211_band band;
int i, ielen, n_chans;
} while (!n_chans);
local->hw_scan_req->n_channels = n_chans;
+ ieee80211_prepare_scan_chandef(&chandef, req->scan_width);
ielen = ieee80211_build_preq_ies(local, (u8 *)local->hw_scan_req->ie,
local->hw_scan_ies_bufsize,
req->ie, req->ie_len, band,
- req->rates[band], 0);
+ req->rates[band], &chandef);
local->hw_scan_req->ie_len = ielen;
local->hw_scan_req->no_cck = req->no_cck;
rcu_assign_pointer(local->scan_sdata, NULL);
local->scanning = 0;
- local->scan_channel = NULL;
+ local->scan_chandef.chan = NULL;
/* Set power back to normal operating levels. */
ieee80211_hw_config(local, 0);
{
int skip;
struct ieee80211_channel *chan;
+ enum nl80211_bss_scan_width oper_scan_width;
skip = 0;
chan = local->scan_req->channels[local->scan_channel_idx];
- local->scan_channel = chan;
+ local->scan_chandef.chan = chan;
+ local->scan_chandef.center_freq1 = chan->center_freq;
+ local->scan_chandef.center_freq2 = 0;
+ switch (local->scan_req->scan_width) {
+ case NL80211_BSS_CHAN_WIDTH_5:
+ local->scan_chandef.width = NL80211_CHAN_WIDTH_5;
+ break;
+ case NL80211_BSS_CHAN_WIDTH_10:
+ local->scan_chandef.width = NL80211_CHAN_WIDTH_10;
+ break;
+ case NL80211_BSS_CHAN_WIDTH_20:
+ /* If scanning on oper channel, use whatever channel-type
+ * is currently in use.
+ */
+ oper_scan_width = cfg80211_chandef_to_scan_width(
+ &local->_oper_chandef);
+ if (chan == local->_oper_chandef.chan &&
+ oper_scan_width == local->scan_req->scan_width)
+ local->scan_chandef = local->_oper_chandef;
+ else
+ local->scan_chandef.width = NL80211_CHAN_WIDTH_20_NOHT;
+ break;
+ }
if (ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL))
skip = 1;
unsigned long *next_delay)
{
/* switch back to the operating channel */
- local->scan_channel = NULL;
+ local->scan_chandef.chan = NULL;
ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
/* disable PS */
int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata,
const u8 *ssid, u8 ssid_len,
- struct ieee80211_channel *chan)
+ struct ieee80211_channel *chan,
+ enum nl80211_bss_scan_width scan_width)
{
struct ieee80211_local *local = sdata->local;
int ret = -EBUSY;
local->int_scan_req->ssids = &local->scan_ssid;
local->int_scan_req->n_ssids = 1;
+ local->int_scan_req->scan_width = scan_width;
memcpy(local->int_scan_req->ssids[0].ssid, ssid, IEEE80211_MAX_SSID_LEN);
local->int_scan_req->ssids[0].ssid_len = ssid_len;
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_sched_scan_ies sched_scan_ies = {};
+ struct cfg80211_chan_def chandef;
int ret, i, iebufsz;
iebufsz = 2 + IEEE80211_MAX_SSID_LEN +
goto out_free;
}
+ ieee80211_prepare_scan_chandef(&chandef, req->scan_width);
+
sched_scan_ies.len[i] =
ieee80211_build_preq_ies(local, sched_scan_ies.ie[i],
iebufsz, req->ie, req->ie_len,
- i, (u32) -1, 0);
+ i, (u32) -1, &chandef);
}
ret = drv_sched_scan_start(local, sdata, req, &sched_scan_ies);
return len;
}
-static void ieee80211_add_tx_radiotap_header(struct ieee80211_supported_band
- *sband, struct sk_buff *skb,
- int retry_count, int rtap_len)
+static void
+ieee80211_add_tx_radiotap_header(struct ieee80211_supported_band *sband,
+ struct sk_buff *skb, int retry_count,
+ int rtap_len, int shift)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
/* IEEE80211_RADIOTAP_RATE */
if (info->status.rates[0].idx >= 0 &&
!(info->status.rates[0].flags & IEEE80211_TX_RC_MCS)) {
+ u16 rate;
+
rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_RATE);
- *pos = sband->bitrates[info->status.rates[0].idx].bitrate / 5;
+ rate = sband->bitrates[info->status.rates[0].idx].bitrate;
+ *pos = DIV_ROUND_UP(rate, 5 * (1 << shift));
/* padding for tx flags */
pos += 2;
}
bool acked;
struct ieee80211_bar *bar;
int rtap_len;
+ int shift = 0;
for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
if ((info->flags & IEEE80211_TX_CTL_AMPDU) &&
if (!ether_addr_equal(hdr->addr2, sta->sdata->vif.addr))
continue;
+ shift = ieee80211_vif_get_shift(&sta->sdata->vif);
+
if (info->flags & IEEE80211_TX_STATUS_EOSP)
clear_sta_flag(sta, WLAN_STA_SP);
dev_kfree_skb(skb);
return;
}
- ieee80211_add_tx_radiotap_header(sband, skb, retry_count, rtap_len);
+ ieee80211_add_tx_radiotap_header(sband, skb, retry_count, rtap_len,
+ shift);
/* XXX: is this sufficient for BPF? */
skb_set_mac_header(skb, 0);
struct sk_buff *skb, int group_addr,
int next_frag_len)
{
- int rate, mrate, erp, dur, i;
+ int rate, mrate, erp, dur, i, shift = 0;
struct ieee80211_rate *txrate;
struct ieee80211_local *local = tx->local;
struct ieee80211_supported_band *sband;
struct ieee80211_hdr *hdr;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_chanctx_conf *chanctx_conf;
+ u32 rate_flags = 0;
+
+ rcu_read_lock();
+ chanctx_conf = rcu_dereference(tx->sdata->vif.chanctx_conf);
+ if (chanctx_conf) {
+ shift = ieee80211_chandef_get_shift(&chanctx_conf->def);
+ rate_flags = ieee80211_chandef_rate_flags(&chanctx_conf->def);
+ }
+ rcu_read_unlock();
/* assume HW handles this */
if (tx->rate.flags & IEEE80211_TX_RC_MCS)
if (r->bitrate > txrate->bitrate)
break;
+ if ((rate_flags & r->flags) != rate_flags)
+ continue;
+
if (tx->sdata->vif.bss_conf.basic_rates & BIT(i))
- rate = r->bitrate;
+ rate = DIV_ROUND_UP(r->bitrate, 1 << shift);
switch (sband->band) {
case IEEE80211_BAND_2GHZ: {
if (rate == -1) {
/* No matching basic rate found; use highest suitable mandatory
* PHY rate */
- rate = mrate;
+ rate = DIV_ROUND_UP(mrate, 1 << shift);
}
/* Don't calculate ACKs for QoS Frames with NoAck Policy set */
* (10 bytes + 4-byte FCS = 112 bits) plus SIFS; rounded up
* to closest integer */
dur = ieee80211_frame_duration(sband->band, 10, rate, erp,
- tx->sdata->vif.bss_conf.use_short_preamble);
+ tx->sdata->vif.bss_conf.use_short_preamble,
+ shift);
if (next_frag_len) {
/* Frame is fragmented: duration increases with time needed to
/* next fragment */
dur += ieee80211_frame_duration(sband->band, next_frag_len,
txrate->bitrate, erp,
- tx->sdata->vif.bss_conf.use_short_preamble);
+ tx->sdata->vif.bss_conf.use_short_preamble,
+ shift);
}
return cpu_to_le16(dur);
switch (sdata->vif.type) {
case NL80211_IFTYPE_MONITOR:
+ if (sdata->u.mntr_flags & MONITOR_FLAG_ACTIVE) {
+ vif = &sdata->vif;
+ break;
+ }
sdata = rcu_dereference(local->monitor_sdata);
if (sdata) {
vif = &sdata->vif;
}
int ieee80211_frame_duration(enum ieee80211_band band, size_t len,
- int rate, int erp, int short_preamble)
+ int rate, int erp, int short_preamble,
+ int shift)
{
int dur;
*
* rate is in 100 kbps, so divident is multiplied by 10 in the
* DIV_ROUND_UP() operations.
+ *
+ * shift may be 2 for 5 MHz channels or 1 for 10 MHz channels, and
+ * is assumed to be 0 otherwise.
*/
if (band == IEEE80211_BAND_5GHZ || erp) {
* TXTIME = T_PREAMBLE + T_SIGNAL + T_SYM x N_SYM + Signal Ext
*
* T_SYM = 4 usec
- * 802.11a - 17.5.2: aSIFSTime = 16 usec
+ * 802.11a - 18.5.2: aSIFSTime = 16 usec
* 802.11g - 19.8.4: aSIFSTime = 10 usec +
* signal ext = 6 usec
*/
dur = 16; /* SIFS + signal ext */
- dur += 16; /* 17.3.2.3: T_PREAMBLE = 16 usec */
- dur += 4; /* 17.3.2.3: T_SIGNAL = 4 usec */
+ dur += 16; /* IEEE 802.11-2012 18.3.2.4: T_PREAMBLE = 16 usec */
+ dur += 4; /* IEEE 802.11-2012 18.3.2.4: T_SIGNAL = 4 usec */
+
+ /* IEEE 802.11-2012 18.3.2.4: all values above are:
+ * * times 4 for 5 MHz
+ * * times 2 for 10 MHz
+ */
+ dur *= 1 << shift;
+
+ /* rates should already consider the channel bandwidth,
+ * don't apply divisor again.
+ */
dur += 4 * DIV_ROUND_UP((16 + 8 * (len + 4) + 6) * 10,
4 * rate); /* T_SYM x N_SYM */
} else {
{
struct ieee80211_sub_if_data *sdata;
u16 dur;
- int erp;
+ int erp, shift = 0;
bool short_preamble = false;
erp = 0;
short_preamble = sdata->vif.bss_conf.use_short_preamble;
if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
erp = rate->flags & IEEE80211_RATE_ERP_G;
+ shift = ieee80211_vif_get_shift(vif);
}
dur = ieee80211_frame_duration(band, frame_len, rate->bitrate, erp,
- short_preamble);
+ short_preamble, shift);
return cpu_to_le16(dur);
}
struct ieee80211_rate *rate;
struct ieee80211_sub_if_data *sdata;
bool short_preamble;
- int erp;
+ int erp, shift = 0, bitrate;
u16 dur;
struct ieee80211_supported_band *sband;
short_preamble = sdata->vif.bss_conf.use_short_preamble;
if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
erp = rate->flags & IEEE80211_RATE_ERP_G;
+ shift = ieee80211_vif_get_shift(vif);
}
+ bitrate = DIV_ROUND_UP(rate->bitrate, 1 << shift);
+
/* CTS duration */
- dur = ieee80211_frame_duration(sband->band, 10, rate->bitrate,
- erp, short_preamble);
+ dur = ieee80211_frame_duration(sband->band, 10, bitrate,
+ erp, short_preamble, shift);
/* Data frame duration */
- dur += ieee80211_frame_duration(sband->band, frame_len, rate->bitrate,
- erp, short_preamble);
+ dur += ieee80211_frame_duration(sband->band, frame_len, bitrate,
+ erp, short_preamble, shift);
/* ACK duration */
- dur += ieee80211_frame_duration(sband->band, 10, rate->bitrate,
- erp, short_preamble);
+ dur += ieee80211_frame_duration(sband->band, 10, bitrate,
+ erp, short_preamble, shift);
return cpu_to_le16(dur);
}
struct ieee80211_rate *rate;
struct ieee80211_sub_if_data *sdata;
bool short_preamble;
- int erp;
+ int erp, shift = 0, bitrate;
u16 dur;
struct ieee80211_supported_band *sband;
short_preamble = sdata->vif.bss_conf.use_short_preamble;
if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
erp = rate->flags & IEEE80211_RATE_ERP_G;
+ shift = ieee80211_vif_get_shift(vif);
}
+ bitrate = DIV_ROUND_UP(rate->bitrate, 1 << shift);
+
/* Data frame duration */
- dur = ieee80211_frame_duration(sband->band, frame_len, rate->bitrate,
- erp, short_preamble);
+ dur = ieee80211_frame_duration(sband->band, frame_len, bitrate,
+ erp, short_preamble, shift);
if (!(frame_txctl->flags & IEEE80211_TX_CTL_NO_ACK)) {
/* ACK duration */
- dur += ieee80211_frame_duration(sband->band, 10, rate->bitrate,
- erp, short_preamble);
+ dur += ieee80211_frame_duration(sband->band, 10, bitrate,
+ erp, short_preamble, shift);
}
return cpu_to_le16(dur);
}
}
-void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
- const size_t supp_rates_len,
- const u8 *supp_rates)
-{
- struct ieee80211_chanctx_conf *chanctx_conf;
- int i, have_higher_than_11mbit = 0;
-
- /* cf. IEEE 802.11 9.2.12 */
- for (i = 0; i < supp_rates_len; i++)
- if ((supp_rates[i] & 0x7f) * 5 > 110)
- have_higher_than_11mbit = 1;
-
- rcu_read_lock();
- chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
-
- if (chanctx_conf &&
- chanctx_conf->def.chan->band == IEEE80211_BAND_2GHZ &&
- have_higher_than_11mbit)
- sdata->flags |= IEEE80211_SDATA_OPERATING_GMODE;
- else
- sdata->flags &= ~IEEE80211_SDATA_OPERATING_GMODE;
- rcu_read_unlock();
-
- ieee80211_set_wmm_default(sdata, true);
-}
-
void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
u16 transaction, u16 auth_alg, u16 status,
const u8 *extra, size_t extra_len, const u8 *da,
int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
size_t buffer_len, const u8 *ie, size_t ie_len,
enum ieee80211_band band, u32 rate_mask,
- u8 channel)
+ struct cfg80211_chan_def *chandef)
{
struct ieee80211_supported_band *sband;
u8 *pos = buffer, *end = buffer + buffer_len;
u8 rates[32];
int num_rates;
int ext_rates_len;
+ int shift;
+ u32 rate_flags;
sband = local->hw.wiphy->bands[band];
if (WARN_ON_ONCE(!sband))
return 0;
+ rate_flags = ieee80211_chandef_rate_flags(chandef);
+ shift = ieee80211_chandef_get_shift(chandef);
+
num_rates = 0;
for (i = 0; i < sband->n_bitrates; i++) {
if ((BIT(i) & rate_mask) == 0)
continue; /* skip rate */
- rates[num_rates++] = (u8) (sband->bitrates[i].bitrate / 5);
+ if ((rate_flags & sband->bitrates[i].flags) != rate_flags)
+ continue;
+
+ rates[num_rates++] =
+ (u8) DIV_ROUND_UP(sband->bitrates[i].bitrate,
+ (1 << shift) * 5);
}
supp_rates_len = min_t(int, num_rates, 8);
pos += ext_rates_len;
}
- if (channel && sband->band == IEEE80211_BAND_2GHZ) {
+ if (chandef->chan && sband->band == IEEE80211_BAND_2GHZ) {
if (end - pos < 3)
goto out_err;
*pos++ = WLAN_EID_DS_PARAMS;
*pos++ = 1;
- *pos++ = channel;
+ *pos++ = ieee80211_frequency_to_channel(
+ chandef->chan->center_freq);
}
/* insert custom IEs that go before HT */
bool directed)
{
struct ieee80211_local *local = sdata->local;
+ struct cfg80211_chan_def chandef;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
- u8 chan_no;
int ies_len;
/*
* in order to maximize the chance that we get a response. Some
* badly-behaved APs don't respond when this parameter is included.
*/
+ chandef.width = sdata->vif.bss_conf.chandef.width;
if (directed)
- chan_no = 0;
+ chandef.chan = NULL;
else
- chan_no = ieee80211_frequency_to_channel(chan->center_freq);
+ chandef.chan = chan;
skb = ieee80211_probereq_get(&local->hw, &sdata->vif,
ssid, ssid_len, 100 + ie_len);
ies_len = ieee80211_build_preq_ies(local, skb_tail_pointer(skb),
skb_tailroom(skb),
ie, ie_len, chan->band,
- ratemask, chan_no);
+ ratemask, &chandef);
skb_put(skb, ies_len);
if (dst) {
}
}
-u32 ieee80211_sta_get_rates(struct ieee80211_local *local,
+u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata,
struct ieee802_11_elems *elems,
enum ieee80211_band band, u32 *basic_rates)
{
struct ieee80211_supported_band *sband;
struct ieee80211_rate *bitrates;
size_t num_rates;
- u32 supp_rates;
- int i, j;
- sband = local->hw.wiphy->bands[band];
+ u32 supp_rates, rate_flags;
+ int i, j, shift;
+ sband = sdata->local->hw.wiphy->bands[band];
+
+ rate_flags = ieee80211_chandef_rate_flags(&sdata->vif.bss_conf.chandef);
+ shift = ieee80211_vif_get_shift(&sdata->vif);
if (WARN_ON(!sband))
return 1;
continue;
for (j = 0; j < num_rates; j++) {
- if (bitrates[j].bitrate == own_rate) {
+ int brate;
+ if ((rate_flags & sband->bitrates[j].flags)
+ != rate_flags)
+ continue;
+
+ brate = DIV_ROUND_UP(sband->bitrates[j].bitrate,
+ 1 << shift);
+
+ if (brate == own_rate) {
supp_rates |= BIT(j);
if (basic_rates && is_basic)
*basic_rates |= BIT(j);
cfg80211_chandef_create(chandef, control_chan, channel_type);
}
+int ieee80211_parse_bitrates(struct cfg80211_chan_def *chandef,
+ const struct ieee80211_supported_band *sband,
+ const u8 *srates, int srates_len, u32 *rates)
+{
+ u32 rate_flags = ieee80211_chandef_rate_flags(chandef);
+ int shift = ieee80211_chandef_get_shift(chandef);
+ struct ieee80211_rate *br;
+ int brate, rate, i, j, count = 0;
+
+ *rates = 0;
+
+ for (i = 0; i < srates_len; i++) {
+ rate = srates[i] & 0x7f;
+
+ for (j = 0; j < sband->n_bitrates; j++) {
+ br = &sband->bitrates[j];
+ if ((rate_flags & br->flags) != rate_flags)
+ continue;
+
+ brate = DIV_ROUND_UP(br->bitrate, (1 << shift) * 5);
+ if (brate == rate) {
+ *rates |= BIT(j);
+ count++;
+ break;
+ }
+ }
+ }
+ return count;
+}
+
int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb, bool need_basic,
enum ieee80211_band band)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_supported_band *sband;
- int rate;
+ int rate, shift;
u8 i, rates, *pos;
u32 basic_rates = sdata->vif.bss_conf.basic_rates;
+ u32 rate_flags;
+ shift = ieee80211_vif_get_shift(&sdata->vif);
+ rate_flags = ieee80211_chandef_rate_flags(&sdata->vif.bss_conf.chandef);
sband = local->hw.wiphy->bands[band];
- rates = sband->n_bitrates;
+ rates = 0;
+ for (i = 0; i < sband->n_bitrates; i++) {
+ if ((rate_flags & sband->bitrates[i].flags) != rate_flags)
+ continue;
+ rates++;
+ }
if (rates > 8)
rates = 8;
*pos++ = rates;
for (i = 0; i < rates; i++) {
u8 basic = 0;
+ if ((rate_flags & sband->bitrates[i].flags) != rate_flags)
+ continue;
+
if (need_basic && basic_rates & BIT(i))
basic = 0x80;
rate = sband->bitrates[i].bitrate;
- *pos++ = basic | (u8) (rate / 5);
+ rate = DIV_ROUND_UP(sband->bitrates[i].bitrate,
+ 5 * (1 << shift));
+ *pos++ = basic | (u8) rate;
}
return 0;
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_supported_band *sband;
- int rate;
+ int rate, skip, shift;
u8 i, exrates, *pos;
u32 basic_rates = sdata->vif.bss_conf.basic_rates;
+ u32 rate_flags;
+
+ rate_flags = ieee80211_chandef_rate_flags(&sdata->vif.bss_conf.chandef);
+ shift = ieee80211_vif_get_shift(&sdata->vif);
sband = local->hw.wiphy->bands[band];
- exrates = sband->n_bitrates;
+ exrates = 0;
+ for (i = 0; i < sband->n_bitrates; i++) {
+ if ((rate_flags & sband->bitrates[i].flags) != rate_flags)
+ continue;
+ exrates++;
+ }
+
if (exrates > 8)
exrates -= 8;
else
pos = skb_put(skb, exrates + 2);
*pos++ = WLAN_EID_EXT_SUPP_RATES;
*pos++ = exrates;
+ skip = 0;
for (i = 8; i < sband->n_bitrates; i++) {
u8 basic = 0;
+ if ((rate_flags & sband->bitrates[i].flags)
+ != rate_flags)
+ continue;
+ if (skip++ < 8)
+ continue;
if (need_basic && basic_rates & BIT(i))
basic = 0x80;
- rate = sband->bitrates[i].bitrate;
- *pos++ = basic | (u8) (rate / 5);
+ rate = DIV_ROUND_UP(sband->bitrates[i].bitrate,
+ 5 * (1 << shift));
+ *pos++ = basic | (u8) rate;
}
}
return 0;
ri.flags |= RATE_INFO_FLAGS_SHORT_GI;
} else {
struct ieee80211_supported_band *sband;
+ int shift = 0;
+ int bitrate;
+
+ if (status->flag & RX_FLAG_10MHZ)
+ shift = 1;
+ if (status->flag & RX_FLAG_5MHZ)
+ shift = 2;
sband = local->hw.wiphy->bands[status->band];
- ri.legacy = sband->bitrates[status->rate_idx].bitrate;
+ bitrate = sband->bitrates[status->rate_idx].bitrate;
+ ri.legacy = DIV_ROUND_UP(bitrate, (1 << shift));
}
rate = cfg80211_calculate_bitrate(&ri);
return -EINVAL;
#endif
+ if (WARN_ON(wiphy->coalesce &&
+ (!wiphy->coalesce->n_rules ||
+ !wiphy->coalesce->n_patterns) &&
+ (!wiphy->coalesce->pattern_min_len ||
+ wiphy->coalesce->pattern_min_len >
+ wiphy->coalesce->pattern_max_len)))
+ return -EINVAL;
+
if (WARN_ON(wiphy->ap_sme_capa &&
!(wiphy->flags & WIPHY_FLAG_HAVE_AP_SME)))
return -EINVAL;
rdev_set_wakeup(rdev, false);
#endif
cfg80211_rdev_free_wowlan(rdev);
+ cfg80211_rdev_free_coalesce(rdev);
}
EXPORT_SYMBOL(wiphy_unregister);
/* netlink port which started critical protocol (0 means not started) */
u32 crit_proto_nlportid;
+ struct cfg80211_coalesce *coalesce;
+
/* must be last because of the way we do wiphy_priv(),
* and it should at least be aligned to NETDEV_ALIGN */
struct wiphy wiphy __aligned(NETDEV_ALIGN);
* basic rates
*/
if (!setup->basic_rates) {
+ enum nl80211_bss_scan_width scan_width;
struct ieee80211_supported_band *sband =
rdev->wiphy.bands[setup->chandef.chan->band];
- setup->basic_rates = ieee80211_mandatory_rates(sband);
+ scan_width = cfg80211_chandef_to_scan_width(&setup->chandef);
+ setup->basic_rates = ieee80211_mandatory_rates(sband,
+ scan_width);
}
if (!cfg80211_reg_can_beacon(&rdev->wiphy, &setup->chandef))
[NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 },
};
+/* policy for coalesce rule attributes */
+static const struct nla_policy
+nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
+ [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
+ [NL80211_ATTR_COALESCE_RULE_CONDITION] = { .type = NLA_U32 },
+ [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
+};
+
/* policy for GTK rekey offload attributes */
static const struct nla_policy
nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
return -ENOBUFS;
if (dev->wiphy.wowlan->n_patterns) {
- struct nl80211_wowlan_pattern_support pat = {
+ struct nl80211_pattern_support pat = {
.max_patterns = dev->wiphy.wowlan->n_patterns,
.min_pattern_len = dev->wiphy.wowlan->pattern_min_len,
.max_pattern_len = dev->wiphy.wowlan->pattern_max_len,
}
#endif
+static int nl80211_send_coalesce(struct sk_buff *msg,
+ struct cfg80211_registered_device *dev)
+{
+ struct nl80211_coalesce_rule_support rule;
+
+ if (!dev->wiphy.coalesce)
+ return 0;
+
+ rule.max_rules = dev->wiphy.coalesce->n_rules;
+ rule.max_delay = dev->wiphy.coalesce->max_delay;
+ rule.pat.max_patterns = dev->wiphy.coalesce->n_patterns;
+ rule.pat.min_pattern_len = dev->wiphy.coalesce->pattern_min_len;
+ rule.pat.max_pattern_len = dev->wiphy.coalesce->pattern_max_len;
+ rule.pat.max_pkt_offset = dev->wiphy.coalesce->max_pkt_offset;
+
+ if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
+ return -ENOBUFS;
+
+ return 0;
+}
+
static int nl80211_send_band_rateinfo(struct sk_buff *msg,
struct ieee80211_supported_band *sband)
{
dev->wiphy.vht_capa_mod_mask))
goto nla_put_failure;
+ state->split_start++;
+ break;
+ case 10:
+ if (nl80211_send_coalesce(msg, dev))
+ goto nla_put_failure;
+
/* done */
state->split_start = 0;
break;
goto nla_put_failure;
if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
+ nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
jiffies_to_msecs(jiffies - intbss->ts)))
goto nla_put_failure;
return -EINVAL;
switch (ibss.chandef.width) {
+ case NL80211_CHAN_WIDTH_5:
+ case NL80211_CHAN_WIDTH_10:
case NL80211_CHAN_WIDTH_20_NOHT:
break;
case NL80211_CHAN_WIDTH_20:
return err;
}
+ if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
+ memcpy(&ibss.ht_capa_mask,
+ nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
+ sizeof(ibss.ht_capa_mask));
+
+ if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
+ if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
+ return -EINVAL;
+ memcpy(&ibss.ht_capa,
+ nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
+ sizeof(ibss.ht_capa));
+ }
+
if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
!nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
if (!nl_pat)
return -ENOBUFS;
pat_len = wowlan->patterns[i].pattern_len;
- if (nla_put(msg, NL80211_WOWLAN_PKTPAT_MASK,
- DIV_ROUND_UP(pat_len, 8),
+ if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
wowlan->patterns[i].mask) ||
- nla_put(msg, NL80211_WOWLAN_PKTPAT_PATTERN,
- pat_len, wowlan->patterns[i].pattern) ||
- nla_put_u32(msg, NL80211_WOWLAN_PKTPAT_OFFSET,
+ nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
+ wowlan->patterns[i].pattern) ||
+ nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
wowlan->patterns[i].pkt_offset))
return -ENOBUFS;
nla_nest_end(msg, nl_pat);
struct nlattr *pat;
int n_patterns = 0;
int rem, pat_len, mask_len, pkt_offset;
- struct nlattr *pat_tb[NUM_NL80211_WOWLAN_PKTPAT];
+ struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
rem)
nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
rem) {
- nla_parse(pat_tb, MAX_NL80211_WOWLAN_PKTPAT,
- nla_data(pat), nla_len(pat), NULL);
+ nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat),
+ nla_len(pat), NULL);
err = -EINVAL;
- if (!pat_tb[NL80211_WOWLAN_PKTPAT_MASK] ||
- !pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN])
+ if (!pat_tb[NL80211_PKTPAT_MASK] ||
+ !pat_tb[NL80211_PKTPAT_PATTERN])
goto error;
- pat_len = nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]);
+ pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
mask_len = DIV_ROUND_UP(pat_len, 8);
- if (nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]) !=
- mask_len)
+ if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
goto error;
if (pat_len > wowlan->pattern_max_len ||
pat_len < wowlan->pattern_min_len)
goto error;
- if (!pat_tb[NL80211_WOWLAN_PKTPAT_OFFSET])
+ if (!pat_tb[NL80211_PKTPAT_OFFSET])
pkt_offset = 0;
else
pkt_offset = nla_get_u32(
- pat_tb[NL80211_WOWLAN_PKTPAT_OFFSET]);
+ pat_tb[NL80211_PKTPAT_OFFSET]);
if (pkt_offset > wowlan->max_pkt_offset)
goto error;
new_triggers.patterns[i].pkt_offset = pkt_offset;
new_triggers.patterns[i].pattern =
new_triggers.patterns[i].mask + mask_len;
memcpy(new_triggers.patterns[i].mask,
- nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]),
+ nla_data(pat_tb[NL80211_PKTPAT_MASK]),
mask_len);
new_triggers.patterns[i].pattern_len = pat_len;
memcpy(new_triggers.patterns[i].pattern,
- nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]),
+ nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
pat_len);
i++;
}
}
#endif
+static int nl80211_send_coalesce_rules(struct sk_buff *msg,
+ struct cfg80211_registered_device *rdev)
+{
+ struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
+ int i, j, pat_len;
+ struct cfg80211_coalesce_rules *rule;
+
+ if (!rdev->coalesce->n_rules)
+ return 0;
+
+ nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE);
+ if (!nl_rules)
+ return -ENOBUFS;
+
+ for (i = 0; i < rdev->coalesce->n_rules; i++) {
+ nl_rule = nla_nest_start(msg, i + 1);
+ if (!nl_rule)
+ return -ENOBUFS;
+
+ rule = &rdev->coalesce->rules[i];
+ if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
+ rule->delay))
+ return -ENOBUFS;
+
+ if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
+ rule->condition))
+ return -ENOBUFS;
+
+ nl_pats = nla_nest_start(msg,
+ NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
+ if (!nl_pats)
+ return -ENOBUFS;
+
+ for (j = 0; j < rule->n_patterns; j++) {
+ nl_pat = nla_nest_start(msg, j + 1);
+ if (!nl_pat)
+ return -ENOBUFS;
+ pat_len = rule->patterns[j].pattern_len;
+ if (nla_put(msg, NL80211_PKTPAT_MASK,
+ DIV_ROUND_UP(pat_len, 8),
+ rule->patterns[j].mask) ||
+ nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
+ rule->patterns[j].pattern) ||
+ nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
+ rule->patterns[j].pkt_offset))
+ return -ENOBUFS;
+ nla_nest_end(msg, nl_pat);
+ }
+ nla_nest_end(msg, nl_pats);
+ nla_nest_end(msg, nl_rule);
+ }
+ nla_nest_end(msg, nl_rules);
+
+ return 0;
+}
+
+static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct sk_buff *msg;
+ void *hdr;
+
+ if (!rdev->wiphy.coalesce)
+ return -EOPNOTSUPP;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
+ hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
+ NL80211_CMD_GET_COALESCE);
+ if (!hdr)
+ goto nla_put_failure;
+
+ if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
+ goto nla_put_failure;
+
+ genlmsg_end(msg, hdr);
+ return genlmsg_reply(msg, info);
+
+nla_put_failure:
+ nlmsg_free(msg);
+ return -ENOBUFS;
+}
+
+void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
+{
+ struct cfg80211_coalesce *coalesce = rdev->coalesce;
+ int i, j;
+ struct cfg80211_coalesce_rules *rule;
+
+ if (!coalesce)
+ return;
+
+ for (i = 0; i < coalesce->n_rules; i++) {
+ rule = &coalesce->rules[i];
+ for (j = 0; j < rule->n_patterns; j++)
+ kfree(rule->patterns[j].mask);
+ kfree(rule->patterns);
+ }
+ kfree(coalesce->rules);
+ kfree(coalesce);
+ rdev->coalesce = NULL;
+}
+
+static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
+ struct nlattr *rule,
+ struct cfg80211_coalesce_rules *new_rule)
+{
+ int err, i;
+ const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
+ struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
+ int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
+ struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
+
+ err = nla_parse(tb, NL80211_ATTR_COALESCE_RULE_MAX, nla_data(rule),
+ nla_len(rule), nl80211_coalesce_policy);
+ if (err)
+ return err;
+
+ if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
+ new_rule->delay =
+ nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
+ if (new_rule->delay > coalesce->max_delay)
+ return -EINVAL;
+
+ if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
+ new_rule->condition =
+ nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
+ if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH &&
+ new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH)
+ return -EINVAL;
+
+ if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
+ return -EINVAL;
+
+ nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
+ rem)
+ n_patterns++;
+ if (n_patterns > coalesce->n_patterns)
+ return -EINVAL;
+
+ new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
+ GFP_KERNEL);
+ if (!new_rule->patterns)
+ return -ENOMEM;
+
+ new_rule->n_patterns = n_patterns;
+ i = 0;
+
+ nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
+ rem) {
+ nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat),
+ nla_len(pat), NULL);
+ if (!pat_tb[NL80211_PKTPAT_MASK] ||
+ !pat_tb[NL80211_PKTPAT_PATTERN])
+ return -EINVAL;
+ pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
+ mask_len = DIV_ROUND_UP(pat_len, 8);
+ if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
+ return -EINVAL;
+ if (pat_len > coalesce->pattern_max_len ||
+ pat_len < coalesce->pattern_min_len)
+ return -EINVAL;
+
+ if (!pat_tb[NL80211_PKTPAT_OFFSET])
+ pkt_offset = 0;
+ else
+ pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
+ if (pkt_offset > coalesce->max_pkt_offset)
+ return -EINVAL;
+ new_rule->patterns[i].pkt_offset = pkt_offset;
+
+ new_rule->patterns[i].mask =
+ kmalloc(mask_len + pat_len, GFP_KERNEL);
+ if (!new_rule->patterns[i].mask)
+ return -ENOMEM;
+ new_rule->patterns[i].pattern =
+ new_rule->patterns[i].mask + mask_len;
+ memcpy(new_rule->patterns[i].mask,
+ nla_data(pat_tb[NL80211_PKTPAT_MASK]), mask_len);
+ new_rule->patterns[i].pattern_len = pat_len;
+ memcpy(new_rule->patterns[i].pattern,
+ nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), pat_len);
+ i++;
+ }
+
+ return 0;
+}
+
+static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
+ struct cfg80211_coalesce new_coalesce = {};
+ struct cfg80211_coalesce *n_coalesce;
+ int err, rem_rule, n_rules = 0, i, j;
+ struct nlattr *rule;
+ struct cfg80211_coalesce_rules *tmp_rule;
+
+ if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
+ return -EOPNOTSUPP;
+
+ if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
+ cfg80211_rdev_free_coalesce(rdev);
+ rdev->ops->set_coalesce(&rdev->wiphy, NULL);
+ return 0;
+ }
+
+ nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
+ rem_rule)
+ n_rules++;
+ if (n_rules > coalesce->n_rules)
+ return -EINVAL;
+
+ new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
+ GFP_KERNEL);
+ if (!new_coalesce.rules)
+ return -ENOMEM;
+
+ new_coalesce.n_rules = n_rules;
+ i = 0;
+
+ nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
+ rem_rule) {
+ err = nl80211_parse_coalesce_rule(rdev, rule,
+ &new_coalesce.rules[i]);
+ if (err)
+ goto error;
+
+ i++;
+ }
+
+ err = rdev->ops->set_coalesce(&rdev->wiphy, &new_coalesce);
+ if (err)
+ goto error;
+
+ n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
+ if (!n_coalesce) {
+ err = -ENOMEM;
+ goto error;
+ }
+ cfg80211_rdev_free_coalesce(rdev);
+ rdev->coalesce = n_coalesce;
+
+ return 0;
+error:
+ for (i = 0; i < new_coalesce.n_rules; i++) {
+ tmp_rule = &new_coalesce.rules[i];
+ for (j = 0; j < tmp_rule->n_patterns; j++)
+ kfree(tmp_rule->patterns[j].mask);
+ kfree(tmp_rule->patterns);
+ }
+ kfree(new_coalesce.rules);
+
+ return err;
+}
+
static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
.flags = GENL_ADMIN_PERM,
.internal_flags = NL80211_FLAG_NEED_WDEV_UP |
NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_GET_COALESCE,
+ .doit = nl80211_get_coalesce,
+ .policy = nl80211_policy,
+ .internal_flags = NL80211_FLAG_NEED_WIPHY |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_SET_COALESCE,
+ .doit = nl80211_set_coalesce,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_WIPHY |
+ NL80211_FLAG_NEED_RTNL,
}
};
enum nl80211_radar_event event,
struct net_device *netdev, gfp_t gfp);
+void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev);
+
#endif /* __NET_WIRELESS_NL80211_H */
continue;
if (bss->pub.channel != new->pub.channel)
continue;
+ if (bss->pub.scan_width != new->pub.scan_width)
+ continue;
if (rcu_access_pointer(bss->pub.beacon_ies))
continue;
ies = rcu_access_pointer(bss->pub.ies);
/* Returned bss is reference counted and must be cleaned up appropriately. */
struct cfg80211_bss*
-cfg80211_inform_bss(struct wiphy *wiphy,
- struct ieee80211_channel *channel,
- const u8 *bssid, u64 tsf, u16 capability,
- u16 beacon_interval, const u8 *ie, size_t ielen,
- s32 signal, gfp_t gfp)
+cfg80211_inform_bss_width(struct wiphy *wiphy,
+ struct ieee80211_channel *channel,
+ enum nl80211_bss_scan_width scan_width,
+ const u8 *bssid, u64 tsf, u16 capability,
+ u16 beacon_interval, const u8 *ie, size_t ielen,
+ s32 signal, gfp_t gfp)
{
struct cfg80211_bss_ies *ies;
struct cfg80211_internal_bss tmp = {}, *res;
memcpy(tmp.pub.bssid, bssid, ETH_ALEN);
tmp.pub.channel = channel;
+ tmp.pub.scan_width = scan_width;
tmp.pub.signal = signal;
tmp.pub.beacon_interval = beacon_interval;
tmp.pub.capability = capability;
/* cfg80211_bss_update gives us a referenced result */
return &res->pub;
}
-EXPORT_SYMBOL(cfg80211_inform_bss);
+EXPORT_SYMBOL(cfg80211_inform_bss_width);
/* Returned bss is reference counted and must be cleaned up appropriately. */
struct cfg80211_bss *
-cfg80211_inform_bss_frame(struct wiphy *wiphy,
- struct ieee80211_channel *channel,
- struct ieee80211_mgmt *mgmt, size_t len,
- s32 signal, gfp_t gfp)
+cfg80211_inform_bss_width_frame(struct wiphy *wiphy,
+ struct ieee80211_channel *channel,
+ enum nl80211_bss_scan_width scan_width,
+ struct ieee80211_mgmt *mgmt, size_t len,
+ s32 signal, gfp_t gfp)
{
struct cfg80211_internal_bss tmp = {}, *res;
struct cfg80211_bss_ies *ies;
BUILD_BUG_ON(offsetof(struct ieee80211_mgmt, u.probe_resp.variable) !=
offsetof(struct ieee80211_mgmt, u.beacon.variable));
- trace_cfg80211_inform_bss_frame(wiphy, channel, mgmt, len, signal);
+ trace_cfg80211_inform_bss_width_frame(wiphy, channel, scan_width, mgmt,
+ len, signal);
if (WARN_ON(!mgmt))
return NULL;
memcpy(tmp.pub.bssid, mgmt->bssid, ETH_ALEN);
tmp.pub.channel = channel;
+ tmp.pub.scan_width = scan_width;
tmp.pub.signal = signal;
tmp.pub.beacon_interval = le16_to_cpu(mgmt->u.probe_resp.beacon_int);
tmp.pub.capability = le16_to_cpu(mgmt->u.probe_resp.capab_info);
/* cfg80211_bss_update gives us a referenced result */
return &res->pub;
}
-EXPORT_SYMBOL(cfg80211_inform_bss_frame);
+EXPORT_SYMBOL(cfg80211_inform_bss_width_frame);
void cfg80211_ref_bss(struct wiphy *wiphy, struct cfg80211_bss *pub)
{
__entry->capa_mask, __entry->capa_val)
);
-TRACE_EVENT(cfg80211_inform_bss_frame,
+TRACE_EVENT(cfg80211_inform_bss_width_frame,
TP_PROTO(struct wiphy *wiphy, struct ieee80211_channel *channel,
+ enum nl80211_bss_scan_width scan_width,
struct ieee80211_mgmt *mgmt, size_t len,
s32 signal),
- TP_ARGS(wiphy, channel, mgmt, len, signal),
+ TP_ARGS(wiphy, channel, scan_width, mgmt, len, signal),
TP_STRUCT__entry(
WIPHY_ENTRY
CHAN_ENTRY
+ __field(enum nl80211_bss_scan_width, scan_width)
__dynamic_array(u8, mgmt, len)
__field(s32, signal)
),
TP_fast_assign(
WIPHY_ASSIGN;
CHAN_ASSIGN(channel);
+ __entry->scan_width = scan_width;
if (mgmt)
memcpy(__get_dynamic_array(mgmt), mgmt, len);
__entry->signal = signal;
),
- TP_printk(WIPHY_PR_FMT ", " CHAN_PR_FMT "signal: %d",
- WIPHY_PR_ARG, CHAN_PR_ARG, __entry->signal)
+ TP_printk(WIPHY_PR_FMT ", " CHAN_PR_FMT "(scan_width: %d) signal: %d",
+ WIPHY_PR_ARG, CHAN_PR_ARG, __entry->scan_width,
+ __entry->signal)
);
DECLARE_EVENT_CLASS(cfg80211_bss_evt,
}
EXPORT_SYMBOL(ieee80211_get_response_rate);
-u32 ieee80211_mandatory_rates(struct ieee80211_supported_band *sband)
+u32 ieee80211_mandatory_rates(struct ieee80211_supported_band *sband,
+ enum nl80211_bss_scan_width scan_width)
{
struct ieee80211_rate *bitrates;
u32 mandatory_rates = 0;
if (WARN_ON(!sband))
return 1;
- if (sband->band == IEEE80211_BAND_2GHZ)
- mandatory_flag = IEEE80211_RATE_MANDATORY_B;
- else
+ if (sband->band == IEEE80211_BAND_2GHZ) {
+ if (scan_width == NL80211_BSS_CHAN_WIDTH_5 ||
+ scan_width == NL80211_BSS_CHAN_WIDTH_10)
+ mandatory_flag = IEEE80211_RATE_MANDATORY_G;
+ else
+ mandatory_flag = IEEE80211_RATE_MANDATORY_B;
+ } else {
mandatory_flag = IEEE80211_RATE_MANDATORY_A;
+ }
bitrates = sband->bitrates;
for (i = 0; i < sband->n_bitrates; i++)
projects / firefly-linux-kernel-4.4.55.git / commitdiff