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We have a reasonably large number of changes:

Browse Source 
* lots more HE (802.11ax) support, particularly things
    relevant for the the AP side, but also mesh support
  * debugfs cleanups from Greg
  * some more work on extended key ID
  * start using genl parallel_ops, as preparation for
    weaning ourselves off RTNL and getting parallelism
  * various other changes all over
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Merge tag 'mac80211-next-for-davem-2019-07-31' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

Johannes Berg says:

====================
We have a reasonably large number of changes:
 * lots more HE (802.11ax) support, particularly things
   relevant for the the AP side, but also mesh support
 * debugfs cleanups from Greg
 * some more work on extended key ID
 * start using genl parallel_ops, as preparation for
   weaning ourselves off RTNL and getting parallelism
 * various other changes all over
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2019-07-31 08:59:41 -07:00
commit ac5fe22636
40 changed files with 1067 additions and 371 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/wireless/ath/ath10k/mac.c
View File

@ -6970,7 +6970,8 @@ exit:
return ret;
}
static int ath10k_cancel_remain_on_channel(struct ieee80211_hw *hw)
static int ath10k_cancel_remain_on_channel(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct ath10k *ar = hw->priv;

3
drivers/net/wireless/ath/ath9k/main.c
View File

@ -2392,7 +2392,8 @@ out:
return ret;
}
static int ath9k_cancel_remain_on_channel(struct ieee80211_hw *hw)
static int ath9k_cancel_remain_on_channel(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct ath_softc *sc = hw->priv;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);

29
drivers/net/wireless/intel/iwlwifi/dvm/rs.c
View File

@ -3256,28 +3256,16 @@ static void rs_add_debugfs(void *priv, void *priv_sta,
struct dentry *dir)
{
struct iwl_lq_sta *lq_sta = priv_sta;
lq_sta->rs_sta_dbgfs_scale_table_file =
debugfs_create_file("rate_scale_table", 0600, dir,
lq_sta, &rs_sta_dbgfs_scale_table_ops);
lq_sta->rs_sta_dbgfs_stats_table_file =
debugfs_create_file("rate_stats_table", 0400, dir,
lq_sta, &rs_sta_dbgfs_stats_table_ops);
lq_sta->rs_sta_dbgfs_rate_scale_data_file =
debugfs_create_file("rate_scale_data", 0400, dir,
lq_sta, &rs_sta_dbgfs_rate_scale_data_ops);
lq_sta->rs_sta_dbgfs_tx_agg_tid_en_file =
debugfs_create_u8("tx_agg_tid_enable", 0600, dir,
&lq_sta->tx_agg_tid_en);
}
debugfs_create_file("rate_scale_table", 0600, dir, lq_sta,
&rs_sta_dbgfs_scale_table_ops);
debugfs_create_file("rate_stats_table", 0400, dir, lq_sta,
&rs_sta_dbgfs_stats_table_ops);
debugfs_create_file("rate_scale_data", 0400, dir, lq_sta,
&rs_sta_dbgfs_rate_scale_data_ops);
debugfs_create_u8("tx_agg_tid_enable", 0600, dir,
&lq_sta->tx_agg_tid_en);
static void rs_remove_debugfs(void *priv, void *priv_sta)
{
struct iwl_lq_sta *lq_sta = priv_sta;
debugfs_remove(lq_sta->rs_sta_dbgfs_scale_table_file);
debugfs_remove(lq_sta->rs_sta_dbgfs_stats_table_file);
debugfs_remove(lq_sta->rs_sta_dbgfs_rate_scale_data_file);
debugfs_remove(lq_sta->rs_sta_dbgfs_tx_agg_tid_en_file);
}
#endif
@ -3303,7 +3291,6 @@ static const struct rate_control_ops rs_ops = {
.free_sta = rs_free_sta,
#ifdef CONFIG_MAC80211_DEBUGFS
.add_sta_debugfs = rs_add_debugfs,
.remove_sta_debugfs = rs_remove_debugfs,
#endif
};

4
drivers/net/wireless/intel/iwlwifi/dvm/rs.h
View File

@ -356,10 +356,6 @@ struct iwl_lq_sta {
struct iwl_traffic_load load[IWL_MAX_TID_COUNT];
u8 tx_agg_tid_en;
#ifdef CONFIG_MAC80211_DEBUGFS
struct dentry *rs_sta_dbgfs_scale_table_file;
struct dentry *rs_sta_dbgfs_stats_table_file;
struct dentry *rs_sta_dbgfs_rate_scale_data_file;
struct dentry *rs_sta_dbgfs_tx_agg_tid_en_file;
u32 dbg_fixed_rate;
#endif
struct iwl_priv *drv;

3
drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
View File

@ -4010,7 +4010,8 @@ out_unlock:
return ret;
}
static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw)
static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);

5
drivers/net/wireless/intel/iwlwifi/mvm/rs.c
View File

@ -4093,10 +4093,6 @@ static void rs_drv_add_sta_debugfs(void *mvm, void *priv_sta,
MVM_DEBUGFS_ADD_FILE_RS(ss_force, dir, 0600);
}
void rs_remove_sta_debugfs(void *mvm, void *mvm_sta)
{
}
#endif
/*
@ -4124,7 +4120,6 @@ static const struct rate_control_ops rs_mvm_ops_drv = {
.rate_update = rs_drv_rate_update,
#ifdef CONFIG_MAC80211_DEBUGFS
.add_sta_debugfs = rs_drv_add_sta_debugfs,
.remove_sta_debugfs = rs_remove_sta_debugfs,
#endif
.capa = RATE_CTRL_CAPA_VHT_EXT_NSS_BW,
};

20
drivers/net/wireless/mac80211_hwsim.c
View File

@ -2216,7 +2216,8 @@ static int mac80211_hwsim_roc(struct ieee80211_hw *hw,
return 0;
}
static int mac80211_hwsim_croc(struct ieee80211_hw *hw)
static int mac80211_hwsim_croc(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct mac80211_hwsim_data *hwsim = hw->priv;
@ -2594,7 +2595,7 @@ static const struct ieee80211_sband_iftype_data he_capa_5ghz = {
},
};
static void mac80211_hswim_he_capab(struct ieee80211_supported_band *sband)
static void mac80211_hwsim_he_capab(struct ieee80211_supported_band *sband)
{
if (sband->band == NL80211_BAND_2GHZ)
sband->iftype_data =
@ -2805,12 +2806,6 @@ static int mac80211_hwsim_new_radio(struct genl_info *info,
ieee80211_hw_set(hw, SIGNAL_DBM);
ieee80211_hw_set(hw, SUPPORTS_PS);
ieee80211_hw_set(hw, TDLS_WIDER_BW);
/* We only have SW crypto and only implement the A-MPDU API
* (but don't really build A-MPDUs) so can have extended key
* support
*/
ieee80211_hw_set(hw, EXT_KEY_ID_NATIVE);
if (rctbl)
ieee80211_hw_set(hw, SUPPORTS_RC_TABLE);
ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID);
@ -2897,7 +2892,7 @@ static int mac80211_hwsim_new_radio(struct genl_info *info,
sband->ht_cap.mcs.rx_mask[1] = 0xff;
sband->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
mac80211_hswim_he_capab(sband);
mac80211_hwsim_he_capab(sband);
hw->wiphy->bands[band] = sband;
}
@ -3233,6 +3228,7 @@ static int hwsim_cloned_frame_received_nl(struct sk_buff *skb_2,
{
struct mac80211_hwsim_data *data2;
struct ieee80211_rx_status rx_status;
struct ieee80211_hdr *hdr;
const u8 *dst;
int frame_data_len;
void *frame_data;
@ -3299,6 +3295,12 @@ static int hwsim_cloned_frame_received_nl(struct sk_buff *skb_2,
rx_status.rate_idx = nla_get_u32(info->attrs[HWSIM_ATTR_RX_RATE]);
rx_status.signal = nla_get_u32(info->attrs[HWSIM_ATTR_SIGNAL]);
hdr = (void *)skb->data;
if (ieee80211_is_beacon(hdr->frame_control) ||
ieee80211_is_probe_resp(hdr->frame_control))
rx_status.boottime_ns = ktime_get_boottime_ns();
memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status));
data2->rx_pkts++;
data2->rx_bytes += skb->len;

3
drivers/net/wireless/rsi/rsi_91x_mac80211.c
View File

@ -1818,7 +1818,8 @@ out:
return status;
}
static int rsi_mac80211_cancel_roc(struct ieee80211_hw *hw)
static int rsi_mac80211_cancel_roc(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct rsi_hw *adapter = hw->priv;
struct rsi_common *common = adapter->priv;

3
drivers/net/wireless/ti/wlcore/main.c
View File

@ -5749,7 +5749,8 @@ static void wlcore_roc_complete_work(struct work_struct *work)
ieee80211_remain_on_channel_expired(wl->hw);
}
static int wlcore_op_cancel_remain_on_channel(struct ieee80211_hw *hw)
static int wlcore_op_cancel_remain_on_channel(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct wl1271 *wl = hw->priv;

63
include/linux/ieee80211.h
View File

@ -881,6 +881,14 @@ struct ieee80211_tpc_report_ie {
u8 link_margin;
} __packed;
#define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK GENMASK(2, 1)
#define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT 1
#define IEEE80211_ADDBA_EXT_NO_FRAG BIT(0)
struct ieee80211_addba_ext_ie {
u8 data;
} __packed;
struct ieee80211_mgmt {
__le16 frame_control;
__le16 duration;
@ -973,6 +981,8 @@ struct ieee80211_mgmt {
__le16 capab;
__le16 timeout;
__le16 start_seq_num;
/* followed by BA Extension */
u8 variable[0];
} __packed addba_req;
struct{
u8 action_code;
@ -1625,6 +1635,18 @@ struct ieee80211_he_operation {
u8 optional[0];
} __packed;
/**
* struct ieee80211_he_spr - HE spatial reuse element
*
* This structure is the "HE spatial reuse element" element as
* described in P802.11ax_D4.0 section 9.4.2.241
*/
struct ieee80211_he_spr {
u8 he_sr_control;
/* Optional 0 to 19 bytes: depends on @he_sr_control */
u8 optional[0];
} __packed;
/**
* struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
*
@ -2033,8 +2055,8 @@ ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
* ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
* @he_oper_ie: byte data of the He Operations IE, stating from the the byte
* after the ext ID byte. It is assumed that he_oper_ie has at least
* sizeof(struct ieee80211_he_operation) bytes, checked already in
* ieee802_11_parse_elems_crc()
* sizeof(struct ieee80211_he_operation) bytes, the caller must have
* validated this.
* @return the actual size of the IE data (not including header), or 0 on error
*/
static inline u8
@ -2063,6 +2085,42 @@ ieee80211_he_oper_size(const u8 *he_oper_ie)
return oper_len;
}
/* HE Spatial Reuse defines */
#define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT 0x4
#define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT 0x8
/*
* ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
* @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the the byte
* after the ext ID byte. It is assumed that he_spr_ie has at least
* sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
* this
* @return the actual size of the IE data (not including header), or 0 on error
*/
static inline u8
ieee80211_he_spr_size(const u8 *he_spr_ie)
{
struct ieee80211_he_spr *he_spr = (void *)he_spr_ie;
u8 spr_len = sizeof(struct ieee80211_he_spr);
u32 he_spr_params;
/* Make sure the input is not NULL */
if (!he_spr_ie)
return 0;
/* Calc required length */
he_spr_params = le32_to_cpu(he_spr->he_sr_control);
if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
spr_len++;
if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
spr_len += 18;
/* Add the first byte (extension ID) to the total length */
spr_len++;
return spr_len;
}
/* Authentication algorithms */
#define WLAN_AUTH_OPEN 0
#define WLAN_AUTH_SHARED_KEY 1
@ -2485,6 +2543,7 @@ enum ieee80211_eid_ext {
WLAN_EID_EXT_HE_OPERATION = 36,
WLAN_EID_EXT_UORA = 37,
WLAN_EID_EXT_HE_MU_EDCA = 38,
WLAN_EID_EXT_HE_SPR = 39,
WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
WLAN_EID_EXT_NON_INHERITANCE = 56,

15
include/net/cfg80211.h
View File

@ -246,6 +246,19 @@ struct ieee80211_rate {
u16 hw_value, hw_value_short;
};
/**
* struct ieee80211_he_obss_pd - AP settings for spatial reuse
*
* @enable: is the feature enabled.
* @min_offset: minimal tx power offset an associated station shall use
* @max_offset: maximum tx power offset an associated station shall use
*/
struct ieee80211_he_obss_pd {
bool enable;
u8 min_offset;
u8 max_offset;
};
/**
* struct ieee80211_sta_ht_cap - STA's HT capabilities
*
@ -896,6 +909,7 @@ enum cfg80211_ap_settings_flags {
* @vht_required: stations must support VHT
* @twt_responder: Enable Target Wait Time
* @flags: flags, as defined in enum cfg80211_ap_settings_flags
* @he_obss_pd: OBSS Packet Detection settings
*/
struct cfg80211_ap_settings {
struct cfg80211_chan_def chandef;
@ -923,6 +937,7 @@ struct cfg80211_ap_settings {
bool ht_required, vht_required;
bool twt_responder;
u32 flags;
struct ieee80211_he_obss_pd he_obss_pd;
};
/**

53
include/net/mac80211.h
View File

@ -315,6 +315,7 @@ struct ieee80211_vif_chanctx_switch {
* @BSS_CHANGED_FTM_RESPONDER: fime timing reasurement request responder
* functionality changed for this BSS (AP mode).
* @BSS_CHANGED_TWT: TWT status changed
* @BSS_CHANGED_HE_OBSS_PD: OBSS Packet Detection status changed.
*
*/
enum ieee80211_bss_change {
@ -346,6 +347,7 @@ enum ieee80211_bss_change {
BSS_CHANGED_MCAST_RATE = 1<<25,
BSS_CHANGED_FTM_RESPONDER = 1<<26,
BSS_CHANGED_TWT = 1<<27,
BSS_CHANGED_HE_OBSS_PD = 1<<28,
/* when adding here, make sure to change ieee80211_reconfig */
};
@ -600,6 +602,8 @@ struct ieee80211_ftm_responder_params {
* nontransmitted BSSIDs
* @profile_periodicity: the least number of beacon frames need to be received
* in order to discover all the nontransmitted BSSIDs in the set.
* @he_operation: HE operation information of the AP we are connected to
* @he_obss_pd: OBSS Packet Detection parameters.
*/
struct ieee80211_bss_conf {
const u8 *bssid;
@ -661,6 +665,8 @@ struct ieee80211_bss_conf {
u8 bssid_indicator;
bool ema_ap;
u8 profile_periodicity;
struct ieee80211_he_operation he_operation;
struct ieee80211_he_obss_pd he_obss_pd;
};
/**
@ -1058,11 +1064,13 @@ struct ieee80211_tx_info {
* @sta: Station that the packet was transmitted for
* @info: Basic tx status information
* @skb: Packet skb (can be NULL if not provided by the driver)
* @rate: The TX rate that was used when sending the packet
*/
struct ieee80211_tx_status {
struct ieee80211_sta *sta;
struct ieee80211_tx_info *info;
struct sk_buff *skb;
struct rate_info *rate;
};
/**
@ -1702,6 +1710,9 @@ struct wireless_dev *ieee80211_vif_to_wdev(struct ieee80211_vif *vif);
* a TKIP key if it only requires MIC space. Do not set together with
* @IEEE80211_KEY_FLAG_GENERATE_MMIC on the same key.
* @IEEE80211_KEY_FLAG_NO_AUTO_TX: Key needs explicit Tx activation.
* @IEEE80211_KEY_FLAG_GENERATE_MMIE: This flag should be set by the driver
* for a AES_CMAC key to indicate that it requires sequence number
* generation only
*/
enum ieee80211_key_flags {
IEEE80211_KEY_FLAG_GENERATE_IV_MGMT = BIT(0),
@ -1714,6 +1725,7 @@ enum ieee80211_key_flags {
IEEE80211_KEY_FLAG_RESERVE_TAILROOM = BIT(7),
IEEE80211_KEY_FLAG_PUT_MIC_SPACE = BIT(8),
IEEE80211_KEY_FLAG_NO_AUTO_TX = BIT(9),
IEEE80211_KEY_FLAG_GENERATE_MMIE = BIT(10),
};
/**
@ -2268,11 +2280,9 @@ struct ieee80211_txq {
* @IEEE80211_HW_SUPPORTS_ONLY_HE_MULTI_BSSID: Hardware supports multi BSSID
* only for HE APs. Applies if @IEEE80211_HW_SUPPORTS_MULTI_BSSID is set.
*
* @IEEE80211_HW_EXT_KEY_ID_NATIVE: Driver and hardware are supporting Extended
* Key ID and can handle two unicast keys per station for Rx and Tx.
*
* @IEEE80211_HW_NO_AMPDU_KEYBORDER_SUPPORT: The card/driver can't handle
* active Tx A-MPDU sessions with Extended Key IDs during rekey.
* @IEEE80211_HW_AMPDU_KEYBORDER_SUPPORT: The card and driver is only
* aggregating MPDUs with the same keyid, allowing mac80211 to keep Tx
* A-MPDU sessions active while rekeying with Extended Key ID.
*
* @NUM_IEEE80211_HW_FLAGS: number of hardware flags, used for sizing arrays
*/
@ -2325,8 +2335,7 @@ enum ieee80211_hw_flags {
IEEE80211_HW_TX_STATUS_NO_AMPDU_LEN,
IEEE80211_HW_SUPPORTS_MULTI_BSSID,
IEEE80211_HW_SUPPORTS_ONLY_HE_MULTI_BSSID,
IEEE80211_HW_EXT_KEY_ID_NATIVE,
IEEE80211_HW_NO_AMPDU_KEYBORDER_SUPPORT,
IEEE80211_HW_AMPDU_KEYBORDER_SUPPORT,
/* keep last, obviously */
NUM_IEEE80211_HW_FLAGS
@ -3914,7 +3923,8 @@ struct ieee80211_ops {
struct ieee80211_channel *chan,
int duration,
enum ieee80211_roc_type type);
int (*cancel_remain_on_channel)(struct ieee80211_hw *hw);
int (*cancel_remain_on_channel)(struct ieee80211_hw *hw,
struct ieee80211_vif *vif);
int (*set_ringparam)(struct ieee80211_hw *hw, u32 tx, u32 rx);
void (*get_ringparam)(struct ieee80211_hw *hw,
u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max);
@ -5945,7 +5955,6 @@ struct rate_control_ops {
void (*add_sta_debugfs)(void *priv, void *priv_sta,
struct dentry *dir);
void (*remove_sta_debugfs)(void *priv, void *priv_sta);
u32 (*get_expected_throughput)(void *priv_sta);
};
@ -6234,10 +6243,36 @@ void ieee80211_unreserve_tid(struct ieee80211_sta *sta, u8 tid);
* but for the duration of the frame handling.
* However, also note that while in the wake_tx_queue() method,
* rcu_read_lock() is already held.
*
* softirqs must also be disabled when this function is called.
* In process context, use ieee80211_tx_dequeue_ni() instead.
*/
struct sk_buff *ieee80211_tx_dequeue(struct ieee80211_hw *hw,
struct ieee80211_txq *txq);
/**
* ieee80211_tx_dequeue_ni - dequeue a packet from a software tx queue
* (in process context)
*
* Like ieee80211_tx_dequeue() but can be called in process context
* (internally disables bottom halves).
*
* @hw: pointer as obtained from ieee80211_alloc_hw()
* @txq: pointer obtained from station or virtual interface, or from
* ieee80211_next_txq()
*/
static inline struct sk_buff *ieee80211_tx_dequeue_ni(struct ieee80211_hw *hw,
struct ieee80211_txq *txq)
{
struct sk_buff *skb;
local_bh_disable();
skb = ieee80211_tx_dequeue(hw, txq);
local_bh_enable();
return skb;
}
/**
* ieee80211_next_txq - get next tx queue to pull packets from
*

31
include/uapi/linux/nl80211.h
View File

@ -657,7 +657,9 @@
* is used during CSA period.
* @NL80211_CMD_FRAME_WAIT_CANCEL: When an off-channel TX was requested, this
* command may be used with the corresponding cookie to cancel the wait
* time if it is known that it is no longer necessary.
* time if it is known that it is no longer necessary. This command is
* also sent as an event whenever the driver has completed the off-channel
* wait time.
* @NL80211_CMD_ACTION: Alias for @NL80211_CMD_FRAME for backward compatibility.
* @NL80211_CMD_FRAME_TX_STATUS: Report TX status of a management frame
* transmitted with %NL80211_CMD_FRAME. %NL80211_ATTR_COOKIE identifies
@ -2356,6 +2358,9 @@ enum nl80211_commands {
*
* @NL80211_ATTR_TWT_RESPONDER: Enable target wait time responder support.
*
* @NL80211_ATTR_HE_OBSS_PD: nested attribute for OBSS Packet Detection
* functionality.
*
* @NUM_NL80211_ATTR: total number of nl80211_attrs available
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
@ -2813,6 +2818,8 @@ enum nl80211_attrs {
NL80211_ATTR_TWT_RESPONDER,
NL80211_ATTR_HE_OBSS_PD,
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
@ -6488,4 +6495,26 @@ enum nl80211_peer_measurement_ftm_resp {
NL80211_PMSR_FTM_RESP_ATTR_MAX = NUM_NL80211_PMSR_FTM_RESP_ATTR - 1
};
/**
* enum nl80211_obss_pd_attributes - OBSS packet detection attributes
* @__NL80211_HE_OBSS_PD_ATTR_INVALID: Invalid
*
* @NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET: the OBSS PD minimum tx power offset.
* @NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET: the OBSS PD maximum tx power offset.
*
* @__NL80211_HE_OBSS_PD_ATTR_LAST: Internal
* @NL80211_HE_OBSS_PD_ATTR_MAX: highest OBSS PD attribute.
*/
enum nl80211_obss_pd_attributes {
__NL80211_HE_OBSS_PD_ATTR_INVALID,
NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET,
NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET,
/* keep last */
__NL80211_HE_OBSS_PD_ATTR_LAST,
NL80211_HE_OBSS_PD_ATTR_MAX = __NL80211_HE_OBSS_PD_ATTR_LAST - 1,
};
#endif /* __LINUX_NL80211_H */

74
net/mac80211/agg-rx.c
View File

@ -178,17 +178,54 @@ static void sta_rx_agg_reorder_timer_expired(struct timer_list *t)
rcu_read_unlock();
}
static void ieee80211_send_addba_resp(struct ieee80211_sub_if_data *sdata, u8 *da, u16 tid,
u8 dialog_token, u16 status, u16 policy,
u16 buf_size, u16 timeout)
static void ieee80211_add_addbaext(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb,
const struct ieee80211_addba_ext_ie *req)
{
struct ieee80211_supported_band *sband;
struct ieee80211_addba_ext_ie *resp;
const struct ieee80211_sta_he_cap *he_cap;
u8 frag_level, cap_frag_level;
u8 *pos;
sband = ieee80211_get_sband(sdata);
if (!sband)
return;
he_cap = ieee80211_get_he_iftype_cap(sband, sdata->vif.type);
if (!he_cap)
return;
pos = skb_put_zero(skb, 2 + sizeof(struct ieee80211_addba_ext_ie));
*pos++ = WLAN_EID_ADDBA_EXT;
*pos++ = sizeof(struct ieee80211_addba_ext_ie);
resp = (struct ieee80211_addba_ext_ie *)pos;
resp->data = req->data & IEEE80211_ADDBA_EXT_NO_FRAG;
frag_level = u32_get_bits(req->data,
IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK);
cap_frag_level = u32_get_bits(he_cap->he_cap_elem.mac_cap_info[0],
IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK);
if (frag_level > cap_frag_level)
frag_level = cap_frag_level;
resp->data |= u8_encode_bits(frag_level,
IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK);
}
static void ieee80211_send_addba_resp(struct sta_info *sta, u8 *da, u16 tid,
u8 dialog_token, u16 status, u16 policy,
u16 buf_size, u16 timeout,
const struct ieee80211_addba_ext_ie *addbaext)
{
struct ieee80211_sub_if_data *sdata = sta->sdata;
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
bool amsdu = ieee80211_hw_check(&local->hw, SUPPORTS_AMSDU_IN_AMPDU);
u16 capab;
skb = dev_alloc_skb(sizeof(*mgmt) + local->hw.extra_tx_headroom);
skb = dev_alloc_skb(sizeof(*mgmt) +
2 + sizeof(struct ieee80211_addba_ext_ie) +
local->hw.extra_tx_headroom);
if (!skb)
return;
@ -222,13 +259,17 @@ static void ieee80211_send_addba_resp(struct ieee80211_sub_if_data *sdata, u8 *d
mgmt->u.action.u.addba_resp.timeout = cpu_to_le16(timeout);
mgmt->u.action.u.addba_resp.status = cpu_to_le16(status);
if (sta->sta.he_cap.has_he && addbaext)
ieee80211_add_addbaext(sdata, skb, addbaext);
ieee80211_tx_skb(sdata, skb);
}
void ___ieee80211_start_rx_ba_session(struct sta_info *sta,
u8 dialog_token, u16 timeout,
u16 start_seq_num, u16 ba_policy, u16 tid,
u16 buf_size, bool tx, bool auto_seq)
u16 buf_size, bool tx, bool auto_seq,
const struct ieee80211_addba_ext_ie *addbaext)
{
struct ieee80211_local *local = sta->sdata->local;
struct tid_ampdu_rx *tid_agg_rx;
@ -410,21 +451,22 @@ end:
}
if (tx)
ieee80211_send_addba_resp(sta->sdata, sta->sta.addr, tid,
ieee80211_send_addba_resp(sta, sta->sta.addr, tid,
dialog_token, status, 1, buf_size,
timeout);
timeout, addbaext);
}
static void __ieee80211_start_rx_ba_session(struct sta_info *sta,
u8 dialog_token, u16 timeout,
u16 start_seq_num, u16 ba_policy,
u16 tid, u16 buf_size, bool tx,
bool auto_seq)
bool auto_seq,
const struct ieee80211_addba_ext_ie *addbaext)
{
mutex_lock(&sta->ampdu_mlme.mtx);
___ieee80211_start_rx_ba_session(sta, dialog_token, timeout,
start_seq_num, ba_policy, tid,
buf_size, tx, auto_seq);
buf_size, tx, auto_seq, addbaext);
mutex_unlock(&sta->ampdu_mlme.mtx);
}
@ -434,7 +476,9 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
size_t len)
{
u16 capab, tid, timeout, ba_policy, buf_size, start_seq_num;
struct ieee802_11_elems elems = { 0 };
u8 dialog_token;
int ies_len;
/* extract session parameters from addba request frame */
dialog_token = mgmt->u.action.u.addba_req.dialog_token;
@ -447,9 +491,19 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
buf_size = (capab & IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK) >> 6;
ies_len = len - offsetof(struct ieee80211_mgmt,
u.action.u.addba_req.variable);
if (ies_len) {
ieee802_11_parse_elems(mgmt->u.action.u.addba_req.variable,
ies_len, true, &elems, mgmt->bssid, NULL);
if (elems.parse_error)
return;
}
__ieee80211_start_rx_ba_session(sta, dialog_token, timeout,
start_seq_num, ba_policy, tid,
buf_size, true, false);
buf_size, true, false,
elems.addba_ext_ie);
}
void ieee80211_manage_rx_ba_offl(struct ieee80211_vif *vif,

7
net/mac80211/cfg.c
View File

@ -980,7 +980,8 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
BSS_CHANGED_SSID |
BSS_CHANGED_P2P_PS |
BSS_CHANGED_TXPOWER |
BSS_CHANGED_TWT;
BSS_CHANGED_TWT |
BSS_CHANGED_HE_OBSS_PD;
int err;
int prev_beacon_int;
@ -1051,6 +1052,8 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
sdata->vif.bss_conf.enable_beacon = true;
sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
sdata->vif.bss_conf.twt_responder = params->twt_responder;
memcpy(&sdata->vif.bss_conf.he_obss_pd, &params->he_obss_pd,
sizeof(struct ieee80211_he_obss_pd));
sdata->vif.bss_conf.ssid_len = params->ssid_len;
if (params->ssid_len)
@ -1543,7 +1546,7 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
if (ether_addr_equal(mac, sdata->vif.addr))
return -EINVAL;
if (is_multicast_ether_addr(mac))
if (!is_valid_ether_addr(mac))
return -EINVAL;
sta = sta_info_alloc(sdata, mac, GFP_KERNEL);

3
net/mac80211/debugfs.c
View File

@ -271,8 +271,7 @@ static const char *hw_flag_names[] = {
FLAG(TX_STATUS_NO_AMPDU_LEN),
FLAG(SUPPORTS_MULTI_BSSID),
FLAG(SUPPORTS_ONLY_HE_MULTI_BSSID),
FLAG(EXT_KEY_ID_NATIVE),
FLAG(NO_AMPDU_KEYBORDER_SUPPORT),
FLAG(AMPDU_KEYBORDER_SUPPORT),
#undef FLAG
};

8
net/mac80211/driver-ops.h
View File

@ -692,14 +692,16 @@ static inline int drv_remain_on_channel(struct ieee80211_local *local,
return ret;
}
static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
static inline int
drv_cancel_remain_on_channel(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata)
{
int ret;
might_sleep();
trace_drv_cancel_remain_on_channel(local);
ret = local->ops->cancel_remain_on_channel(&local->hw);
trace_drv_cancel_remain_on_channel(local, sdata);
ret = local->ops->cancel_remain_on_channel(&local->hw, &sdata->vif);
trace_drv_return_int(local, ret);
return ret;

39
net/mac80211/he.c
View File

@ -50,3 +50,42 @@ ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata,
he_cap->has_he = true;
}
void
ieee80211_he_op_ie_to_bss_conf(struct ieee80211_vif *vif,
const struct ieee80211_he_operation *he_op_ie_elem)
{
struct ieee80211_he_operation *he_operation =
&vif->bss_conf.he_operation;
if (!he_op_ie_elem) {
memset(he_operation, 0, sizeof(*he_operation));
return;
}
vif->bss_conf.he_operation = *he_op_ie_elem;
}
void
ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif,
const struct ieee80211_he_spr *he_spr_ie_elem)
{
struct ieee80211_he_obss_pd *he_obss_pd =
&vif->bss_conf.he_obss_pd;
const u8 *data = he_spr_ie_elem->optional;
memset(he_obss_pd, 0, sizeof(*he_obss_pd));
if (!he_spr_ie_elem)
return;
if (he_spr_ie_elem->he_sr_control &
IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
data++;
if (he_spr_ie_elem->he_sr_control &
IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT) {
he_obss_pd->max_offset = *data++;
he_obss_pd->min_offset = *data++;
he_obss_pd->enable = true;
}
}

2
net/mac80211/ht.c
View File

@ -359,7 +359,7 @@ void ieee80211_ba_session_work(struct work_struct *work)
sta->ampdu_mlme.tid_rx_manage_offl))
___ieee80211_start_rx_ba_session(sta, 0, 0, 0, 1, tid,
IEEE80211_MAX_AMPDU_BUF_HT,
false, true);
false, true, NULL);
if (test_and_clear_bit(tid + IEEE80211_NUM_TIDS,
sta->ampdu_mlme.tid_rx_manage_offl))

17
net/mac80211/ieee80211_i.h
View File

@ -1480,6 +1480,7 @@ struct ieee802_11_elems {
const struct ieee80211_meshconf_ie *mesh_config;
const u8 *he_cap;
const struct ieee80211_he_operation *he_operation;
const struct ieee80211_he_spr *he_spr;
const struct ieee80211_mu_edca_param_set *mu_edca_param_set;
const u8 *uora_element;
const u8 *mesh_id;
@ -1506,6 +1507,7 @@ struct ieee802_11_elems {
u8 max_bssid_indicator;
u8 dtim_count;
u8 dtim_period;
const struct ieee80211_addba_ext_ie *addba_ext_ie;
/* length of them, respectively */
u8 ext_capab_len;
@ -1767,7 +1769,8 @@ ieee80211_build_data_template(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb, u32 info_flags);
void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb,
struct ieee80211_supported_band *sband,
int retry_count, int shift, bool send_to_cooked);
int retry_count, int shift, bool send_to_cooked,
struct ieee80211_tx_status *status);
void ieee80211_check_fast_xmit(struct sta_info *sta);
void ieee80211_check_fast_xmit_all(struct ieee80211_local *local);
@ -1804,7 +1807,8 @@ void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
void ___ieee80211_start_rx_ba_session(struct sta_info *sta,
u8 dialog_token, u16 timeout,
u16 start_seq_num, u16 ba_policy, u16 tid,
u16 buf_size, bool tx, bool auto_seq);
u16 buf_size, bool tx, bool auto_seq,
const struct ieee80211_addba_ext_ie *addbaext);
void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta,
enum ieee80211_agg_stop_reason reason);
void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
@ -1869,6 +1873,13 @@ ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata,
struct ieee80211_supported_band *sband,
const u8 *he_cap_ie, u8 he_cap_len,
struct sta_info *sta);
void
ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif,
const struct ieee80211_he_spr *he_spr_ie_elem);
void
ieee80211_he_op_ie_to_bss_conf(struct ieee80211_vif *vif,
const struct ieee80211_he_operation *he_op_ie_elem);
/* Spectrum management */
void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
@ -2133,9 +2144,11 @@ u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
u32 cap);
u8 *ieee80211_ie_build_vht_oper(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
const struct cfg80211_chan_def *chandef);
u8 ieee80211_ie_len_he_cap(struct ieee80211_sub_if_data *sdata, u8 iftype);
u8 *ieee80211_ie_build_he_cap(u8 *pos,
const struct ieee80211_sta_he_cap *he_cap,
u8 *end);
u8 *ieee80211_ie_build_he_oper(u8 *pos);
int ieee80211_parse_bitrates(struct cfg80211_chan_def *chandef,
const struct ieee80211_supported_band *sband,
const u8 *srates, int srates_len, u32 *rates);

16
net/mac80211/key.c
View File

@ -270,7 +270,7 @@ int ieee80211_set_tx_key(struct ieee80211_key *key)
sta->ptk_idx = key->conf.keyidx;
if (ieee80211_hw_check(&local->hw, NO_AMPDU_KEYBORDER_SUPPORT))
if (!ieee80211_hw_check(&local->hw, AMPDU_KEYBORDER_SUPPORT))
clear_sta_flag(sta, WLAN_STA_BLOCK_BA);
ieee80211_check_fast_xmit(sta);
@ -290,15 +290,15 @@ static void ieee80211_pairwise_rekey(struct ieee80211_key *old,
/* Extended Key ID key install, initial one or rekey */
if (sta->ptk_idx != INVALID_PTK_KEYIDX &&
ieee80211_hw_check(&local->hw,
NO_AMPDU_KEYBORDER_SUPPORT)) {
!ieee80211_hw_check(&local->hw, AMPDU_KEYBORDER_SUPPORT)) {
/* Aggregation Sessions with Extended Key ID must not
* mix MPDUs with different keyIDs within one A-MPDU.
* Tear down any running Tx aggregation and all new
* Rx/Tx aggregation request during rekey if the driver
* asks us to do so. (Blocking Tx only would be
* sufficient but WLAN_STA_BLOCK_BA gets the job done
* for the few ms we need it.)
* Tear down running Tx aggregation sessions and block
* new Rx/Tx aggregation requests during rekey to
* ensure there are no A-MPDUs when the driver is not
* supporting A-MPDU key borders. (Blocking Tx only
* would be sufficient but WLAN_STA_BLOCK_BA gets the
* job done for the few ms we need it.)
*/
set_sta_flag(sta, WLAN_STA_BLOCK_BA);
mutex_lock(&sta->ampdu_mlme.mtx);

18
net/mac80211/main.c
View File

@ -1048,21 +1048,15 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
}
}
/* Enable Extended Key IDs when driver allowed it, or when it
* supports neither HW crypto nor A-MPDUs
/* Mac80211 and therefore all drivers using SW crypto only
* are able to handle PTK rekeys and Extended Key ID.
*/
if ((!local->ops->set_key &&
!ieee80211_hw_check(hw, AMPDU_AGGREGATION)) ||
ieee80211_hw_check(&local->hw, EXT_KEY_ID_NATIVE))
wiphy_ext_feature_set(local->hw.wiphy,
NL80211_EXT_FEATURE_EXT_KEY_ID);
/* Mac80211 and therefore all cards only using SW crypto are able to
* handle PTK rekeys correctly
*/
if (!local->ops->set_key)
if (!local->ops->set_key) {
wiphy_ext_feature_set(local->hw.wiphy,
NL80211_EXT_FEATURE_CAN_REPLACE_PTK0);
wiphy_ext_feature_set(local->hw.wiphy,
NL80211_EXT_FEATURE_EXT_KEY_ID);
}
/*
* Calculate scan IE length -- we need this to alloc

62
net/mac80211/mesh.c
View File

@ -532,6 +532,61 @@ int mesh_add_vht_oper_ie(struct ieee80211_sub_if_data *sdata,
return 0;
}
int mesh_add_he_cap_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb, u8 ie_len)
{
const struct ieee80211_sta_he_cap *he_cap;
struct ieee80211_supported_band *sband;
u8 *pos;
sband = ieee80211_get_sband(sdata);
if (!sband)
return -EINVAL;
he_cap = ieee80211_get_he_iftype_cap(sband, NL80211_IFTYPE_MESH_POINT);
if (!he_cap ||
sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||
sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10)
return 0;
if (skb_tailroom(skb) < ie_len)
return -ENOMEM;
pos = skb_put(skb, ie_len);
ieee80211_ie_build_he_cap(pos, he_cap, pos + ie_len);
return 0;
}
int mesh_add_he_oper_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb)
{
const struct ieee80211_sta_he_cap *he_cap;
struct ieee80211_supported_band *sband;
u8 *pos;
sband = ieee80211_get_sband(sdata);
if (!sband)
return -EINVAL;
he_cap = ieee80211_get_he_iftype_cap(sband, NL80211_IFTYPE_MESH_POINT);
if (!he_cap ||
sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||
sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10)
return 0;
if (skb_tailroom(skb) < 2 + 1 + sizeof(struct ieee80211_he_operation))
return -ENOMEM;
pos = skb_put(skb, 2 + 1 + sizeof(struct ieee80211_he_operation));
ieee80211_ie_build_he_oper(pos);
return 0;
}
static void ieee80211_mesh_path_timer(struct timer_list *t)
{
struct ieee80211_sub_if_data *sdata =
@ -677,6 +732,7 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
struct ieee80211_chanctx_conf *chanctx_conf;
struct mesh_csa_settings *csa;
enum nl80211_band band;
u8 ie_len_he_cap;
u8 *pos;
struct ieee80211_sub_if_data *sdata;
int hdr_len = offsetofend(struct ieee80211_mgmt, u.beacon);
@ -687,6 +743,8 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
band = chanctx_conf->def.chan->band;
rcu_read_unlock();
ie_len_he_cap = ieee80211_ie_len_he_cap(sdata,
NL80211_IFTYPE_MESH_POINT);
head_len = hdr_len +
2 + /* NULL SSID */
/* Channel Switch Announcement */
@ -706,6 +764,8 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
2 + sizeof(__le16) + /* awake window */
2 + sizeof(struct ieee80211_vht_cap) +
2 + sizeof(struct ieee80211_vht_operation) +
ie_len_he_cap +
2 + 1 + sizeof(struct ieee80211_he_operation) +
ifmsh->ie_len;
bcn = kzalloc(sizeof(*bcn) + head_len + tail_len, GFP_KERNEL);
@ -823,6 +883,8 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
mesh_add_awake_window_ie(sdata, skb) ||
mesh_add_vht_cap_ie(sdata, skb) ||
mesh_add_vht_oper_ie(sdata, skb) ||
mesh_add_he_cap_ie(sdata, skb, ie_len_he_cap) ||
mesh_add_he_oper_ie(sdata, skb) ||
mesh_add_vendor_ies(sdata, skb))
goto out_free;

4
net/mac80211/mesh.h
View File

@ -218,6 +218,10 @@ int mesh_add_vht_cap_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb);
int mesh_add_vht_oper_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb);
int mesh_add_he_cap_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb, u8 ie_len);
int mesh_add_he_oper_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb);
void mesh_rmc_free(struct ieee80211_sub_if_data *sdata);
int mesh_rmc_init(struct ieee80211_sub_if_data *sdata);
void ieee80211s_init(void);

12
net/mac80211/mesh_plink.c
View File

@ -218,9 +218,12 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
bool include_plid = false;
u16 peering_proto = 0;
u8 *pos, ie_len = 4;
u8 ie_len_he_cap;
int hdr_len = offsetofend(struct ieee80211_mgmt, u.action.u.self_prot);
int err = -ENOMEM;
ie_len_he_cap = ieee80211_ie_len_he_cap(sdata,
NL80211_IFTYPE_MESH_POINT);
skb = dev_alloc_skb(local->tx_headroom +
hdr_len +
2 + /* capability info */
@ -233,6 +236,8 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
2 + sizeof(struct ieee80211_ht_operation) +
2 + sizeof(struct ieee80211_vht_cap) +
2 + sizeof(struct ieee80211_vht_operation) +
ie_len_he_cap +
2 + 1 + sizeof(struct ieee80211_he_operation) +
2 + 8 + /* peering IE */
sdata->u.mesh.ie_len);
if (!skb)
@ -321,7 +326,9 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
if (mesh_add_ht_cap_ie(sdata, skb) ||
mesh_add_ht_oper_ie(sdata, skb) ||
mesh_add_vht_cap_ie(sdata, skb) ||
mesh_add_vht_oper_ie(sdata, skb))
mesh_add_vht_oper_ie(sdata, skb) ||
mesh_add_he_cap_ie(sdata, skb, ie_len_he_cap) ||
mesh_add_he_oper_ie(sdata, skb))
goto free;
}
@ -433,6 +440,9 @@ static void mesh_sta_info_init(struct ieee80211_sub_if_data *sdata,
ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
elems->vht_cap_elem, sta);
ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband, elems->he_cap,
elems->he_cap_len, sta);
if (bw != sta->sta.bandwidth)
changed |= IEEE80211_RC_BW_CHANGED;

7
net/mac80211/mlme.c
View File

@ -2512,7 +2512,10 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata)
if (ieee80211_hw_check(&sdata->local->hw, REPORTS_TX_ACK_STATUS)) {
ifmgd->nullfunc_failed = false;
ieee80211_send_nullfunc(sdata->local, sdata, false);
if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HE))
ifmgd->probe_send_count--;
else
ieee80211_send_nullfunc(sdata->local, sdata, false);
} else {
int ssid_len;
@ -3381,6 +3384,8 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
if (elems.uora_element)
bss_conf->uora_ocw_range = elems.uora_element[0];
ieee80211_he_op_ie_to_bss_conf(&sdata->vif, elems.he_operation);
ieee80211_he_spr_ie_to_bss_conf(&sdata->vif, elems.he_spr);
/* TODO: OPEN: what happens if BSS color disable is set? */
}

5
net/mac80211/offchannel.c
View File

@ -8,6 +8,7 @@
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2007, Michael Wu <flamingice@sourmilk.net>
* Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
* Copyright (C) 2019 Intel Corporation
*/
#include <linux/export.h>
#include <net/mac80211.h>
@ -732,7 +733,7 @@ static int ieee80211_cancel_roc(struct ieee80211_local *local,
}
if (local->ops->remain_on_channel) {
ret = drv_cancel_remain_on_channel(local);
ret = drv_cancel_remain_on_channel(local, roc->sdata);
if (WARN_ON_ONCE(ret)) {
mutex_unlock(&local->mtx);
return ret;
@ -991,7 +992,7 @@ void ieee80211_roc_purge(struct ieee80211_local *local,
if (roc->started) {
if (local->ops->remain_on_channel) {
/* can race, so ignore return value */
drv_cancel_remain_on_channel(local);
drv_cancel_remain_on_channel(local, sdata);
ieee80211_roc_notify_destroy(roc);
} else {
roc->abort = true;

9
net/mac80211/rate.h
View File

@ -60,15 +60,6 @@ static inline void rate_control_add_sta_debugfs(struct sta_info *sta)
#endif
}
static inline void rate_control_remove_sta_debugfs(struct sta_info *sta)
{
#ifdef CONFIG_MAC80211_DEBUGFS
struct rate_control_ref *ref = sta->rate_ctrl;
if (ref && ref->ops->remove_sta_debugfs)
ref->ops->remove_sta_debugfs(ref->priv, sta->rate_ctrl_priv);
#endif
}
void ieee80211_check_rate_mask(struct ieee80211_sub_if_data *sdata);
/* Get a reference to the rate control algorithm. If `name' is NULL, get the

1
net/mac80211/sta_info.c
View File

@ -1065,7 +1065,6 @@ static void __sta_info_destroy_part2(struct sta_info *sta)
cfg80211_del_sta_sinfo(sdata->dev, sta->sta.addr, sinfo, GFP_KERNEL);
kfree(sinfo);
rate_control_remove_sta_debugfs(sta);
ieee80211_sta_debugfs_remove(sta);
cleanup_single_sta(sta);

180
net/mac80211/status.c
View File

@ -254,7 +254,8 @@ static void ieee80211_set_bar_pending(struct sta_info *sta, u8 tid, u16 ssn)
tid_tx->bar_pending = true;
}
static int ieee80211_tx_radiotap_len(struct ieee80211_tx_info *info)
static int ieee80211_tx_radiotap_len(struct ieee80211_tx_info *info,
struct ieee80211_tx_status *status)
{
int len = sizeof(struct ieee80211_radiotap_header);
@ -272,7 +273,14 @@ static int ieee80211_tx_radiotap_len(struct ieee80211_tx_info *info)
/* IEEE80211_RADIOTAP_MCS
* IEEE80211_RADIOTAP_VHT */
if (info->status.rates[0].idx >= 0) {
if (status && status->rate) {
if (status->rate->flags & RATE_INFO_FLAGS_MCS)
len += 3;
else if (status->rate->flags & RATE_INFO_FLAGS_VHT_MCS)
len = ALIGN(len, 2) + 12;
else if (status->rate->flags & RATE_INFO_FLAGS_HE_MCS)
len = ALIGN(len, 2) + 12;
} else if (info->status.rates[0].idx >= 0) {
if (info->status.rates[0].flags & IEEE80211_TX_RC_MCS)
len += 3;
else if (info->status.rates[0].flags & IEEE80211_TX_RC_VHT_MCS)
@ -286,12 +294,14 @@ static void
ieee80211_add_tx_radiotap_header(struct ieee80211_local *local,
struct ieee80211_supported_band *sband,
struct sk_buff *skb, int retry_count,
int rtap_len, int shift)
int rtap_len, int shift,
struct ieee80211_tx_status *status)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct ieee80211_radiotap_header *rthdr;
unsigned char *pos;
u16 legacy_rate = 0;
u16 txflags;
rthdr = skb_push(skb, rtap_len);
@ -310,14 +320,22 @@ ieee80211_add_tx_radiotap_header(struct ieee80211_local *local,
*/
/* IEEE80211_RADIOTAP_RATE */
if (info->status.rates[0].idx >= 0 &&
!(info->status.rates[0].flags & (IEEE80211_TX_RC_MCS |
IEEE80211_TX_RC_VHT_MCS))) {
u16 rate;
if (status && status->rate && !(status->rate->flags &
(RATE_INFO_FLAGS_MCS |
RATE_INFO_FLAGS_60G |
RATE_INFO_FLAGS_VHT_MCS |
RATE_INFO_FLAGS_HE_MCS)))
legacy_rate = status->rate->legacy;
else if (info->status.rates[0].idx >= 0 &&
!(info->status.rates[0].flags & (IEEE80211_TX_RC_MCS |
IEEE80211_TX_RC_VHT_MCS)))
legacy_rate =
sband->bitrates[info->status.rates[0].idx].bitrate;
if (legacy_rate) {
rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_RATE);
rate = sband->bitrates[info->status.rates[0].idx].bitrate;
*pos = DIV_ROUND_UP(rate, 5 * (1 << shift));
*pos = DIV_ROUND_UP(legacy_rate, 5 * (1 << shift));
/* padding for tx flags */
pos += 2;
}
@ -341,7 +359,139 @@ ieee80211_add_tx_radiotap_header(struct ieee80211_local *local,
*pos = retry_count;
pos++;
if (info->status.rates[0].idx < 0)
if (status && status->rate &&
(status->rate->flags & RATE_INFO_FLAGS_MCS)) {
rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_MCS);
pos[0] = IEEE80211_RADIOTAP_MCS_HAVE_MCS |
IEEE80211_RADIOTAP_MCS_HAVE_GI |
IEEE80211_RADIOTAP_MCS_HAVE_BW;
if (status->rate->flags & RATE_INFO_FLAGS_SHORT_GI)
pos[1] |= IEEE80211_RADIOTAP_MCS_SGI;
if (status->rate->bw == RATE_INFO_BW_40)
pos[1] |= IEEE80211_RADIOTAP_MCS_BW_40;
pos[2] = status->rate->mcs;
pos += 3;
} else if (status && status->rate &&
(status->rate->flags & RATE_INFO_FLAGS_VHT_MCS)) {
u16 known = local->hw.radiotap_vht_details &
(IEEE80211_RADIOTAP_VHT_KNOWN_GI |
IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH);
rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_VHT);
/* required alignment from rthdr */
pos = (u8 *)rthdr + ALIGN(pos - (u8 *)rthdr, 2);
/* u16 known - IEEE80211_RADIOTAP_VHT_KNOWN_* */
put_unaligned_le16(known, pos);
pos += 2;
/* u8 flags - IEEE80211_RADIOTAP_VHT_FLAG_* */
if (status->rate->flags & RATE_INFO_FLAGS_SHORT_GI)
*pos |= IEEE80211_RADIOTAP_VHT_FLAG_SGI;
pos++;
/* u8 bandwidth */
switch (status->rate->bw) {
case RATE_INFO_BW_160:
*pos = 11;
break;
case RATE_INFO_BW_80:
*pos = 2;
break;
case RATE_INFO_BW_40:
*pos = 1;
break;
default:
*pos = 0;
break;
}
/* u8 mcs_nss[4] */
*pos = (status->rate->mcs << 4) | status->rate->nss;
pos += 4;
/* u8 coding */
pos++;
/* u8 group_id */
pos++;
/* u16 partial_aid */
pos += 2;
} else if (status && status->rate &&
(status->rate->flags & RATE_INFO_FLAGS_HE_MCS)) {
struct ieee80211_radiotap_he *he;
rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_HE);
/* required alignment from rthdr */
pos = (u8 *)rthdr + ALIGN(pos - (u8 *)rthdr, 2);
he = (struct ieee80211_radiotap_he *)pos;
he->data1 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_FORMAT_SU |
IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN |
IEEE80211_RADIOTAP_HE_DATA1_DATA_DCM_KNOWN |
IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN);
he->data2 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_GI_KNOWN);
#define HE_PREP(f, val) le16_encode_bits(val, IEEE80211_RADIOTAP_HE_##f)
he->data6 |= HE_PREP(DATA6_NSTS, status->rate->nss);
#define CHECK_GI(s) \
BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_DATA5_GI_##s != \
(int)NL80211_RATE_INFO_HE_GI_##s)
CHECK_GI(0_8);
CHECK_GI(1_6);
CHECK_GI(3_2);
he->data3 |= HE_PREP(DATA3_DATA_MCS, status->rate->mcs);
he->data3 |= HE_PREP(DATA3_DATA_DCM, status->rate->he_dcm);
he->data5 |= HE_PREP(DATA5_GI, status->rate->he_gi);
switch (status->rate->bw) {
case RATE_INFO_BW_20:
he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_20MHZ);
break;
case RATE_INFO_BW_40:
he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_40MHZ);
break;
case RATE_INFO_BW_80:
he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_80MHZ);
break;
case RATE_INFO_BW_160:
he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_160MHZ);
break;
case RATE_INFO_BW_HE_RU:
#define CHECK_RU_ALLOC(s) \
BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_##s##T != \
NL80211_RATE_INFO_HE_RU_ALLOC_##s + 4)
CHECK_RU_ALLOC(26);
CHECK_RU_ALLOC(52);
CHECK_RU_ALLOC(106);
CHECK_RU_ALLOC(242);
CHECK_RU_ALLOC(484);
CHECK_RU_ALLOC(996);
CHECK_RU_ALLOC(2x996);
he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC,
status->rate->he_ru_alloc + 4);
break;
default:
WARN_ONCE(1, "Invalid SU BW %d\n", status->rate->bw);
}
pos += sizeof(struct ieee80211_radiotap_he);
}
if ((status && status->rate) || info->status.rates[0].idx < 0)
return;
/* IEEE80211_RADIOTAP_MCS
@ -645,7 +795,8 @@ static int ieee80211_tx_get_rates(struct ieee80211_hw *hw,
void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb,
struct ieee80211_supported_band *sband,
int retry_count, int shift, bool send_to_cooked)
int retry_count, int shift, bool send_to_cooked,
struct ieee80211_tx_status *status)
{
struct sk_buff *skb2;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@ -654,14 +805,14 @@ void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb,
int rtap_len;
/* send frame to monitor interfaces now */
rtap_len = ieee80211_tx_radiotap_len(info);
rtap_len = ieee80211_tx_radiotap_len(info, status);
if (WARN_ON_ONCE(skb_headroom(skb) < rtap_len)) {
pr_err("ieee80211_tx_status: headroom too small\n");
dev_kfree_skb(skb);
return;
}
ieee80211_add_tx_radiotap_header(local, sband, skb, retry_count,
rtap_len, shift);
rtap_len, shift, status);
/* XXX: is this sufficient for BPF? */
skb_reset_mac_header(skb);
@ -901,7 +1052,8 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw,
}
/* send to monitor interfaces */
ieee80211_tx_monitor(local, skb, sband, retry_count, shift, send_to_cooked);
ieee80211_tx_monitor(local, skb, sband, retry_count, shift,
send_to_cooked, status);
}
void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)

7
net/mac80211/trace.h
View File

@ -1242,9 +1242,10 @@ TRACE_EVENT(drv_remain_on_channel,
)
);
DEFINE_EVENT(local_only_evt, drv_cancel_remain_on_channel,
TP_PROTO(struct ieee80211_local *local),
TP_ARGS(local)
DEFINE_EVENT(local_sdata_evt, drv_cancel_remain_on_channel,
TP_PROTO(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata),
TP_ARGS(local, sdata)
);
TRACE_EVENT(drv_set_ringparam,

5
net/mac80211/tx.c
View File

@ -3546,6 +3546,8 @@ struct sk_buff *ieee80211_tx_dequeue(struct ieee80211_hw *hw,
ieee80211_tx_result r;
struct ieee80211_vif *vif = txq->vif;
WARN_ON_ONCE(softirq_count() == 0);
begin:
spin_lock_bh(&fq->lock);
@ -4647,7 +4649,8 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
if (!sband)
return bcn;
ieee80211_tx_monitor(hw_to_local(hw), copy, sband, 1, shift, false);
ieee80211_tx_monitor(hw_to_local(hw), copy, sband, 1, shift, false,
NULL);
return bcn;
}

60
net/mac80211/util.c
View File

@ -1200,6 +1200,13 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
elems->cisco_dtpc_elem = pos;
break;
case WLAN_EID_ADDBA_EXT:
if (elen != sizeof(struct ieee80211_addba_ext_ie)) {
elem_parse_failed = true;
break;
}
elems->addba_ext_ie = (void *)pos;
break;
case WLAN_EID_TIMEOUT_INTERVAL:
if (elen >= sizeof(struct ieee80211_timeout_interval_ie))
elems->timeout_int = (void *)pos;
@ -1233,6 +1240,10 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION &&
elen == 3) {
elems->mbssid_config_ie = (void *)&pos[1];
} else if (pos[0] == WLAN_EID_EXT_HE_SPR &&
elen >= sizeof(*elems->he_spr) &&
elen >= ieee80211_he_spr_size(&pos[1])) {
elems->he_spr = (void *)&pos[1];
}
break;
default:
@ -2702,6 +2713,27 @@ u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
return pos;
}
u8 ieee80211_ie_len_he_cap(struct ieee80211_sub_if_data *sdata, u8 iftype)
{
const struct ieee80211_sta_he_cap *he_cap;
struct ieee80211_supported_band *sband;
u8 n;
sband = ieee80211_get_sband(sdata);
if (!sband)
return 0;
he_cap = ieee80211_get_he_iftype_cap(sband, iftype);
if (!he_cap)
return 0;
n = ieee80211_he_mcs_nss_size(&he_cap->he_cap_elem);
return 2 + 1 +
sizeof(he_cap->he_cap_elem) + n +
ieee80211_he_ppe_size(he_cap->ppe_thres[0],
he_cap->he_cap_elem.phy_cap_info);
}
u8 *ieee80211_ie_build_he_cap(u8 *pos,
const struct ieee80211_sta_he_cap *he_cap,
u8 *end)
@ -2891,6 +2923,34 @@ u8 *ieee80211_ie_build_vht_oper(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
return pos + sizeof(struct ieee80211_vht_operation);
}
u8 *ieee80211_ie_build_he_oper(u8 *pos)
{
struct ieee80211_he_operation *he_oper;
u32 he_oper_params;
*pos++ = WLAN_EID_EXTENSION;
*pos++ = 1 + sizeof(struct ieee80211_he_operation);
*pos++ = WLAN_EID_EXT_HE_OPERATION;
he_oper_params = 0;
he_oper_params |= u32_encode_bits(1023, /* disabled */
IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK);
he_oper_params |= u32_encode_bits(1,
IEEE80211_HE_OPERATION_ER_SU_DISABLE);
he_oper_params |= u32_encode_bits(1,
IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED);
he_oper = (struct ieee80211_he_operation *)pos;
he_oper->he_oper_params = cpu_to_le32(he_oper_params);
/* don't require special HE peer rates */
he_oper->he_mcs_nss_set = cpu_to_le16(0xffff);
/* TODO add VHT operational and 6GHz operational subelement? */
return pos + sizeof(struct ieee80211_vht_operation);
}
bool ieee80211_chandef_ht_oper(const struct ieee80211_ht_operation *ht_oper,
struct cfg80211_chan_def *chandef)
{

6
net/mac80211/wpa.c
View File

@ -946,7 +946,8 @@ ieee80211_crypto_aes_cmac_encrypt(struct ieee80211_tx_data *tx)
info = IEEE80211_SKB_CB(skb);
if (info->control.hw_key)
if (info->control.hw_key &&
!(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIE))
return TX_CONTINUE;
if (WARN_ON(skb_tailroom(skb) < sizeof(*mmie)))
@ -962,6 +963,9 @@ ieee80211_crypto_aes_cmac_encrypt(struct ieee80211_tx_data *tx)
bip_ipn_set64(mmie->sequence_number, pn64);
if (info->control.hw_key)
return TX_CONTINUE;
bip_aad(skb, aad);
/*

2
net/wireless/Kconfig
View File

@ -217,6 +217,8 @@ config LIB80211_CRYPT_WEP
config LIB80211_CRYPT_CCMP
tristate
select CRYPTO_AES
select CRYPTO_CCM
config LIB80211_CRYPT_TKIP
tristate

17
net/wireless/core.c
View File

@ -142,12 +142,10 @@ int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
if (result)
return result;
if (rdev->wiphy.debugfsdir &&
!debugfs_rename(rdev->wiphy.debugfsdir->d_parent,
rdev->wiphy.debugfsdir,
rdev->wiphy.debugfsdir->d_parent,
newname))
pr_err("failed to rename debugfs dir to %s!\n", newname);
if (rdev->wiphy.debugfsdir)
debugfs_rename(rdev->wiphy.debugfsdir->d_parent,
rdev->wiphy.debugfsdir,
rdev->wiphy.debugfsdir->d_parent, newname);
nl80211_notify_wiphy(rdev, NL80211_CMD_NEW_WIPHY);
@ -899,11 +897,8 @@ int wiphy_register(struct wiphy *wiphy)
cfg80211_rdev_list_generation++;
/* add to debugfs */
rdev->wiphy.debugfsdir =
debugfs_create_dir(wiphy_name(&rdev->wiphy),
ieee80211_debugfs_dir);
if (IS_ERR(rdev->wiphy.debugfsdir))
rdev->wiphy.debugfsdir = NULL;
rdev->wiphy.debugfsdir = debugfs_create_dir(wiphy_name(&rdev->wiphy),
ieee80211_debugfs_dir);
cfg80211_debugfs_rdev_add(rdev);
nl80211_notify_wiphy(rdev, NL80211_CMD_NEW_WIPHY);

2
net/wireless/core.h
View File

@ -306,6 +306,8 @@ void ieee80211_set_bitrate_flags(struct wiphy *wiphy);
void cfg80211_bss_expire(struct cfg80211_registered_device *rdev);
void cfg80211_bss_age(struct cfg80211_registered_device *rdev,
unsigned long age_secs);
void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev,
struct ieee80211_channel *channel);
/* IBSS */
int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,

189
net/wireless/lib80211_crypt_ccmp.c
View File

@ -22,6 +22,7 @@
#include <linux/ieee80211.h>
#include <linux/crypto.h>
#include <crypto/aead.h>
#include <net/lib80211.h>
@ -48,20 +49,13 @@ struct lib80211_ccmp_data {
int key_idx;
struct crypto_cipher *tfm;
struct crypto_aead *tfm;
/* scratch buffers for virt_to_page() (crypto API) */
u8 tx_b0[AES_BLOCK_LEN], tx_b[AES_BLOCK_LEN],
tx_e[AES_BLOCK_LEN], tx_s0[AES_BLOCK_LEN];
u8 rx_b0[AES_BLOCK_LEN], rx_b[AES_BLOCK_LEN], rx_a[AES_BLOCK_LEN];
u8 tx_aad[2 * AES_BLOCK_LEN];
u8 rx_aad[2 * AES_BLOCK_LEN];
};
static inline void lib80211_ccmp_aes_encrypt(struct crypto_cipher *tfm,
const u8 pt[16], u8 ct[16])
{
crypto_cipher_encrypt_one(tfm, ct, pt);
}
static void *lib80211_ccmp_init(int key_idx)
{
struct lib80211_ccmp_data *priv;
@ -71,7 +65,7 @@ static void *lib80211_ccmp_init(int key_idx)
goto fail;
priv->key_idx = key_idx;
priv->tfm = crypto_alloc_cipher("aes", 0, 0);
priv->tfm = crypto_alloc_aead("ccm(aes)", 0, CRYPTO_ALG_ASYNC);
if (IS_ERR(priv->tfm)) {
priv->tfm = NULL;
goto fail;
@ -82,7 +76,7 @@ static void *lib80211_ccmp_init(int key_idx)
fail:
if (priv) {
if (priv->tfm)
crypto_free_cipher(priv->tfm);
crypto_free_aead(priv->tfm);
kfree(priv);
}
@ -93,25 +87,16 @@ static void lib80211_ccmp_deinit(void *priv)
{
struct lib80211_ccmp_data *_priv = priv;
if (_priv && _priv->tfm)
crypto_free_cipher(_priv->tfm);
crypto_free_aead(_priv->tfm);
kfree(priv);
}
static inline void xor_block(u8 * b, u8 * a, size_t len)
{
int i;
for (i = 0; i < len; i++)
b[i] ^= a[i];
}
static void ccmp_init_blocks(struct crypto_cipher *tfm,
struct ieee80211_hdr *hdr,
u8 * pn, size_t dlen, u8 * b0, u8 * auth, u8 * s0)
static int ccmp_init_iv_and_aad(const struct ieee80211_hdr *hdr,
const u8 *pn, u8 *iv, u8 *aad)
{
u8 *pos, qc = 0;
size_t aad_len;
int a4_included, qc_included;
u8 aad[2 * AES_BLOCK_LEN];
a4_included = ieee80211_has_a4(hdr->frame_control);
qc_included = ieee80211_is_data_qos(hdr->frame_control);
@ -127,17 +112,19 @@ static void ccmp_init_blocks(struct crypto_cipher *tfm,
aad_len += 2;
}
/* CCM Initial Block:
* Flag (Include authentication header, M=3 (8-octet MIC),
* L=1 (2-octet Dlen))
* Nonce: 0x00 | A2 | PN
* Dlen */
b0[0] = 0x59;
b0[1] = qc;
memcpy(b0 + 2, hdr->addr2, ETH_ALEN);
memcpy(b0 + 8, pn, CCMP_PN_LEN);
b0[14] = (dlen >> 8) & 0xff;
b0[15] = dlen & 0xff;
/* In CCM, the initial vectors (IV) used for CTR mode encryption and CBC
* mode authentication are not allowed to collide, yet both are derived
* from the same vector. We only set L := 1 here to indicate that the
* data size can be represented in (L+1) bytes. The CCM layer will take
* care of storing the data length in the top (L+1) bytes and setting
* and clearing the other bits as is required to derive the two IVs.
*/
iv[0] = 0x1;
/* Nonce: QC | A2 | PN */
iv[1] = qc;
memcpy(iv + 2, hdr->addr2, ETH_ALEN);
memcpy(iv + 8, pn, CCMP_PN_LEN);
/* AAD:
* FC with bits 4..6 and 11..13 masked to zero; 14 is always one
@ -147,31 +134,20 @@ static void ccmp_init_blocks(struct crypto_cipher *tfm,
* QC (if present)
*/
pos = (u8 *) hdr;
aad[0] = 0; /* aad_len >> 8 */
aad[1] = aad_len & 0xff;
aad[2] = pos[0] & 0x8f;
aad[3] = pos[1] & 0xc7;
memcpy(aad + 4, hdr->addr1, 3 * ETH_ALEN);
aad[0] = pos[0] & 0x8f;
aad[1] = pos[1] & 0xc7;
memcpy(aad + 2, hdr->addr1, 3 * ETH_ALEN);
pos = (u8 *) & hdr->seq_ctrl;
aad[22] = pos[0] & 0x0f;
aad[23] = 0; /* all bits masked */
memset(aad + 24, 0, 8);
aad[20] = pos[0] & 0x0f;
aad[21] = 0; /* all bits masked */
memset(aad + 22, 0, 8);
if (a4_included)
memcpy(aad + 24, hdr->addr4, ETH_ALEN);
memcpy(aad + 22, hdr->addr4, ETH_ALEN);
if (qc_included) {
aad[a4_included ? 30 : 24] = qc;
aad[a4_included ? 28 : 22] = qc;
/* rest of QC masked */
}
/* Start with the first block and AAD */
lib80211_ccmp_aes_encrypt(tfm, b0, auth);
xor_block(auth, aad, AES_BLOCK_LEN);
lib80211_ccmp_aes_encrypt(tfm, auth, auth);
xor_block(auth, &aad[AES_BLOCK_LEN], AES_BLOCK_LEN);
lib80211_ccmp_aes_encrypt(tfm, auth, auth);
b0[0] &= 0x07;
b0[14] = b0[15] = 0;
lib80211_ccmp_aes_encrypt(tfm, b0, s0);
return aad_len;
}
static int lib80211_ccmp_hdr(struct sk_buff *skb, int hdr_len,
@ -214,13 +190,13 @@ static int lib80211_ccmp_hdr(struct sk_buff *skb, int hdr_len,
static int lib80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
{
struct lib80211_ccmp_data *key = priv;
int data_len, i, blocks, last, len;
u8 *pos, *mic;
struct ieee80211_hdr *hdr;
u8 *b0 = key->tx_b0;
u8 *b = key->tx_b;
u8 *e = key->tx_e;
u8 *s0 = key->tx_s0;
struct aead_request *req;
struct scatterlist sg[2];
u8 *aad = key->tx_aad;
u8 iv[AES_BLOCK_LEN];
int len, data_len, aad_len;
int ret;
if (skb_tailroom(skb) < CCMP_MIC_LEN || skb->len < hdr_len)
return -1;
@ -230,31 +206,28 @@ static int lib80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
if (len < 0)
return -1;
pos = skb->data + hdr_len + CCMP_HDR_LEN;
req = aead_request_alloc(key->tfm, GFP_ATOMIC);
if (!req)
return -ENOMEM;
hdr = (struct ieee80211_hdr *)skb->data;
ccmp_init_blocks(key->tfm, hdr, key->tx_pn, data_len, b0, b, s0);
aad_len = ccmp_init_iv_and_aad(hdr, key->tx_pn, iv, aad);
blocks = DIV_ROUND_UP(data_len, AES_BLOCK_LEN);
last = data_len % AES_BLOCK_LEN;
skb_put(skb, CCMP_MIC_LEN);
for (i = 1; i <= blocks; i++) {
len = (i == blocks && last) ? last : AES_BLOCK_LEN;
/* Authentication */
xor_block(b, pos, len);
lib80211_ccmp_aes_encrypt(key->tfm, b, b);
/* Encryption, with counter */
b0[14] = (i >> 8) & 0xff;
b0[15] = i & 0xff;
lib80211_ccmp_aes_encrypt(key->tfm, b0, e);
xor_block(pos, e, len);
pos += len;
}
sg_init_table(sg, 2);
sg_set_buf(&sg[0], aad, aad_len);
sg_set_buf(&sg[1], skb->data + hdr_len + CCMP_HDR_LEN,
data_len + CCMP_MIC_LEN);
mic = skb_put(skb, CCMP_MIC_LEN);
for (i = 0; i < CCMP_MIC_LEN; i++)
mic[i] = b[i] ^ s0[i];
aead_request_set_callback(req, 0, NULL, NULL);
aead_request_set_ad(req, aad_len);
aead_request_set_crypt(req, sg, sg, data_len, iv);
return 0;
ret = crypto_aead_encrypt(req);
aead_request_free(req);
return ret;
}
/*
@ -283,13 +256,13 @@ static int lib80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
struct lib80211_ccmp_data *key = priv;
u8 keyidx, *pos;
struct ieee80211_hdr *hdr;
u8 *b0 = key->rx_b0;
u8 *b = key->rx_b;
u8 *a = key->rx_a;
struct aead_request *req;
struct scatterlist sg[2];
u8 *aad = key->rx_aad;
u8 iv[AES_BLOCK_LEN];
u8 pn[6];
int i, blocks, last, len;
size_t data_len = skb->len - hdr_len - CCMP_HDR_LEN - CCMP_MIC_LEN;
u8 *mic = skb->data + skb->len - CCMP_MIC_LEN;
int aad_len, ret;
size_t data_len = skb->len - hdr_len - CCMP_HDR_LEN;
if (skb->len < hdr_len + CCMP_HDR_LEN + CCMP_MIC_LEN) {
key->dot11RSNAStatsCCMPFormatErrors++;
@ -337,28 +310,26 @@ static int lib80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
return -4;
}
ccmp_init_blocks(key->tfm, hdr, pn, data_len, b0, a, b);
xor_block(mic, b, CCMP_MIC_LEN);
req = aead_request_alloc(key->tfm, GFP_ATOMIC);
if (!req)
return -ENOMEM;
blocks = DIV_ROUND_UP(data_len, AES_BLOCK_LEN);
last = data_len % AES_BLOCK_LEN;
aad_len = ccmp_init_iv_and_aad(hdr, pn, iv, aad);
for (i = 1; i <= blocks; i++) {
len = (i == blocks && last) ? last : AES_BLOCK_LEN;
/* Decrypt, with counter */
b0[14] = (i >> 8) & 0xff;
b0[15] = i & 0xff;
lib80211_ccmp_aes_encrypt(key->tfm, b0, b);
xor_block(pos, b, len);
/* Authentication */
xor_block(a, pos, len);
lib80211_ccmp_aes_encrypt(key->tfm, a, a);
pos += len;
}
sg_init_table(sg, 2);
sg_set_buf(&sg[0], aad, aad_len);
sg_set_buf(&sg[1], pos, data_len);
if (memcmp(mic, a, CCMP_MIC_LEN) != 0) {
net_dbg_ratelimited("CCMP: decrypt failed: STA=%pM\n",
hdr->addr2);
aead_request_set_callback(req, 0, NULL, NULL);
aead_request_set_ad(req, aad_len);
aead_request_set_crypt(req, sg, sg, data_len, iv);
ret = crypto_aead_decrypt(req);
aead_request_free(req);
if (ret) {
net_dbg_ratelimited("CCMP: decrypt failed: STA=%pM (%d)\n",
hdr->addr2, ret);
key->dot11RSNAStatsCCMPDecryptErrors++;
return -5;
}
@ -377,7 +348,7 @@ static int lib80211_ccmp_set_key(void *key, int len, u8 * seq, void *priv)
{
struct lib80211_ccmp_data *data = priv;
int keyidx;
struct crypto_cipher *tfm = data->tfm;
struct crypto_aead *tfm = data->tfm;
keyidx = data->key_idx;
memset(data, 0, sizeof(*data));
@ -394,7 +365,9 @@ static int lib80211_ccmp_set_key(void *key, int len, u8 * seq, void *priv)
data->rx_pn[4] = seq[1];
data->rx_pn[5] = seq[0];
}
crypto_cipher_setkey(data->tfm, data->key, CCMP_TK_LEN);
if (crypto_aead_setauthsize(data->tfm, CCMP_MIC_LEN) ||
crypto_aead_setkey(data->tfm, data->key, CCMP_TK_LEN))
return -1;
} else if (len == 0)
data->key_set = 0;
else

182
net/wireless/nl80211.c
View File

@ -281,7 +281,16 @@ nl80211_pmsr_attr_policy[NL80211_PMSR_ATTR_MAX + 1] = {
NLA_POLICY_NESTED_ARRAY(nl80211_psmr_peer_attr_policy),
};
static const struct nla_policy
he_obss_pd_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = {
[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] =
NLA_POLICY_RANGE(NLA_U8, 1, 20),
[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET] =
NLA_POLICY_RANGE(NLA_U8, 1, 20),
};
const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD },
[NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
[NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
.len = 20-1 },
@ -574,6 +583,7 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_SAE_PASSWORD] = { .type = NLA_BINARY,
.len = SAE_PASSWORD_MAX_LEN },
[NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG },
[NL80211_ATTR_HE_OBSS_PD] = NLA_POLICY_NESTED(he_obss_pd_policy),
};
/* policy for the key attributes */
@ -749,17 +759,25 @@ int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
int err;
if (!cb->args[0]) {
struct nlattr **attrbuf;
attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
GFP_KERNEL);
if (!attrbuf)
return -ENOMEM;
err = nlmsg_parse_deprecated(cb->nlh,
GENL_HDRLEN + nl80211_fam.hdrsize,
genl_family_attrbuf(&nl80211_fam),
nl80211_fam.maxattr,
attrbuf, nl80211_fam.maxattr,
nl80211_policy, NULL);
if (err)
if (err) {
kfree(attrbuf);
return err;
}
*wdev = __cfg80211_wdev_from_attrs(
sock_net(cb->skb->sk),
genl_family_attrbuf(&nl80211_fam));
*wdev = __cfg80211_wdev_from_attrs(sock_net(cb->skb->sk),
attrbuf);
kfree(attrbuf);
if (IS_ERR(*wdev))
return PTR_ERR(*wdev);
*rdev = wiphy_to_rdev((*wdev)->wiphy);
@ -2172,6 +2190,30 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
rdev->wiphy.vht_capa_mod_mask))
goto nla_put_failure;
if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
rdev->wiphy.perm_addr))
goto nla_put_failure;
if (!is_zero_ether_addr(rdev->wiphy.addr_mask) &&
nla_put(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN,
rdev->wiphy.addr_mask))
goto nla_put_failure;
if (rdev->wiphy.n_addresses > 1) {
void *attr;
attr = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
if (!attr)
goto nla_put_failure;
for (i = 0; i < rdev->wiphy.n_addresses; i++)
if (nla_put(msg, i + 1, ETH_ALEN,
rdev->wiphy.addresses[i].addr))
goto nla_put_failure;
nla_nest_end(msg, attr);
}
state->split_start++;
break;
case 10:
@ -2366,14 +2408,21 @@ static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
struct netlink_callback *cb,
struct nl80211_dump_wiphy_state *state)
{
struct nlattr **tb = genl_family_attrbuf(&nl80211_fam);
int ret = nlmsg_parse_deprecated(cb->nlh,
GENL_HDRLEN + nl80211_fam.hdrsize,
tb, nl80211_fam.maxattr,
nl80211_policy, NULL);
struct nlattr **tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
int ret;
if (!tb)
return -ENOMEM;
ret = nlmsg_parse_deprecated(cb->nlh,
GENL_HDRLEN + nl80211_fam.hdrsize,
tb, nl80211_fam.maxattr,
nl80211_policy, NULL);
/* ignore parse errors for backward compatibility */
if (ret)
return 0;
if (ret) {
ret = 0;
goto out;
}
state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
if (tb[NL80211_ATTR_WIPHY])
@ -2386,8 +2435,10 @@ static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
if (!netdev)
return -ENODEV;
if (!netdev) {
ret = -ENODEV;
goto out;
}
if (netdev->ieee80211_ptr) {
rdev = wiphy_to_rdev(
netdev->ieee80211_ptr->wiphy);
@ -2395,7 +2446,10 @@ static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
}
}
return 0;
ret = 0;
out:
kfree(tb);
return ret;
}
static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
@ -4361,6 +4415,34 @@ static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
return 0;
}
static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
struct ieee80211_he_obss_pd *he_obss_pd)
{
struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1];
int err;
err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs,
he_obss_pd_policy, NULL);
if (err)
return err;
if (!tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] ||
!tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET])
return -EINVAL;
he_obss_pd->min_offset =
nla_get_u32(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]);
he_obss_pd->max_offset =
nla_get_u32(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]);
if (he_obss_pd->min_offset >= he_obss_pd->max_offset)
return -EINVAL;
he_obss_pd->enable = true;
return 0;
}
static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
const u8 *rates)
{
@ -4645,6 +4727,14 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
params.twt_responder =
nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) {
err = nl80211_parse_he_obss_pd(
info->attrs[NL80211_ATTR_HE_OBSS_PD],
&params.he_obss_pd);
if (err)
return err;
}
nl80211_calculate_ap_params(&params);
if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
@ -8700,7 +8790,7 @@ static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
{
struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
struct nlattr **attrbuf;
struct survey_info survey;
struct cfg80211_registered_device *rdev;
struct wireless_dev *wdev;
@ -8708,6 +8798,10 @@ static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
int res;
bool radio_stats;
attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
if (!attrbuf)
return -ENOMEM;
rtnl_lock();
res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
if (res)
@ -8752,6 +8846,7 @@ static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
cb->args[2] = survey_idx;
res = skb->len;
out_err:
kfree(attrbuf);
rtnl_unlock();
return res;
}
@ -9611,6 +9706,7 @@ static int nl80211_testmode_dump(struct sk_buff *skb,
struct netlink_callback *cb)
{
struct cfg80211_registered_device *rdev;
struct nlattr **attrbuf = NULL;
int err;
long phy_idx;
void *data = NULL;
@ -9631,7 +9727,12 @@ static int nl80211_testmode_dump(struct sk_buff *skb,
goto out_err;
}
} else {
struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
GFP_KERNEL);
if (!attrbuf) {
err = -ENOMEM;
goto out_err;
}
err = nlmsg_parse_deprecated(cb->nlh,
GENL_HDRLEN + nl80211_fam.hdrsize,
@ -9698,6 +9799,7 @@ static int nl80211_testmode_dump(struct sk_buff *skb,
/* see above */
cb->args[0] = phy_idx + 1;
out_err:
kfree(attrbuf);
rtnl_unlock();
return err;
}
@ -12791,7 +12893,7 @@ static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
struct cfg80211_registered_device **rdev,
struct wireless_dev **wdev)
{
struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
struct nlattr **attrbuf;
u32 vid, subcmd;
unsigned int i;
int vcmd_idx = -1;
@ -12822,24 +12924,32 @@ static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
return 0;
}
attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
if (!attrbuf)
return -ENOMEM;
err = nlmsg_parse_deprecated(cb->nlh,
GENL_HDRLEN + nl80211_fam.hdrsize,
attrbuf, nl80211_fam.maxattr,
nl80211_policy, NULL);
if (err)
return err;
goto out;
if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
!attrbuf[NL80211_ATTR_VENDOR_SUBCMD])
return -EINVAL;
!attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
err = -EINVAL;
goto out;
}
*wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf);
if (IS_ERR(*wdev))
*wdev = NULL;
*rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
if (IS_ERR(*rdev))
return PTR_ERR(*rdev);
if (IS_ERR(*rdev)) {
err = PTR_ERR(*rdev);
goto out;
}
vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
@ -12852,15 +12962,19 @@ static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
continue;
if (!vcmd->dumpit)
return -EOPNOTSUPP;
if (!vcmd->dumpit) {
err = -EOPNOTSUPP;
goto out;
}
vcmd_idx = i;
break;
}
if (vcmd_idx < 0)
return -EOPNOTSUPP;
if (vcmd_idx < 0) {
err = -EOPNOTSUPP;
goto out;
}
if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
@ -12871,7 +12985,7 @@ static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
attrbuf[NL80211_ATTR_VENDOR_DATA],
cb->extack);
if (err)
return err;
goto out;
}
/* 0 is the first index - add 1 to parse only once */
@ -12883,7 +12997,10 @@ static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
cb->args[4] = data_len;
/* keep rtnl locked in successful case */
return 0;
err = 0;
out:
kfree(attrbuf);
return err;
}
static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
@ -14561,6 +14678,7 @@ static struct genl_family nl80211_fam __ro_after_init = {
.n_ops = ARRAY_SIZE(nl80211_ops),
.mcgrps = nl80211_mcgrps,
.n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
.parallel_ops = true,
};
/* notification functions */
@ -16092,7 +16210,9 @@ void cfg80211_ch_switch_notify(struct net_device *dev,
if (wdev->iftype == NL80211_IFTYPE_STATION &&
!WARN_ON(!wdev->current_bss))
wdev->current_bss->pub.channel = chandef->chan;
cfg80211_update_assoc_bss_entry(wdev, chandef->chan);
cfg80211_sched_dfs_chan_update(rdev);
nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
NL80211_CMD_CH_SWITCH_NOTIFY, 0);

269
net/wireless/scan.c
View File

@ -1091,6 +1091,93 @@ struct cfg80211_non_tx_bss {
u8 bssid_index;
};
static bool
cfg80211_update_known_bss(struct cfg80211_registered_device *rdev,
struct cfg80211_internal_bss *known,
struct cfg80211_internal_bss *new,
bool signal_valid)
{
lockdep_assert_held(&rdev->bss_lock);
/* Update IEs */
if (rcu_access_pointer(new->pub.proberesp_ies)) {
const struct cfg80211_bss_ies *old;
old = rcu_access_pointer(known->pub.proberesp_ies);
rcu_assign_pointer(known->pub.proberesp_ies,
new->pub.proberesp_ies);
/* Override possible earlier Beacon frame IEs */
rcu_assign_pointer(known->pub.ies,
new->pub.proberesp_ies);
if (old)
kfree_rcu((struct cfg80211_bss_ies *)old, rcu_head);
} else if (rcu_access_pointer(new->pub.beacon_ies)) {
const struct cfg80211_bss_ies *old;
struct cfg80211_internal_bss *bss;
if (known->pub.hidden_beacon_bss &&
!list_empty(&known->hidden_list)) {
const struct cfg80211_bss_ies *f;
/* The known BSS struct is one of the probe
* response members of a group, but we're
* receiving a beacon (beacon_ies in the new
* bss is used). This can only mean that the
* AP changed its beacon from not having an
* SSID to showing it, which is confusing so
* drop this information.
*/
f = rcu_access_pointer(new->pub.beacon_ies);
kfree_rcu((struct cfg80211_bss_ies *)f, rcu_head);
return false;
}
old = rcu_access_pointer(known->pub.beacon_ies);
rcu_assign_pointer(known->pub.beacon_ies, new->pub.beacon_ies);
/* Override IEs if they were from a beacon before */
if (old == rcu_access_pointer(known->pub.ies))
rcu_assign_pointer(known->pub.ies, new->pub.beacon_ies);
/* Assign beacon IEs to all sub entries */
list_for_each_entry(bss, &known->hidden_list, hidden_list) {
const struct cfg80211_bss_ies *ies;
ies = rcu_access_pointer(bss->pub.beacon_ies);
WARN_ON(ies != old);
rcu_assign_pointer(bss->pub.beacon_ies,
new->pub.beacon_ies);
}
if (old)
kfree_rcu((struct cfg80211_bss_ies *)old, rcu_head);
}
known->pub.beacon_interval = new->pub.beacon_interval;
/* don't update the signal if beacon was heard on
* adjacent channel.
*/
if (signal_valid)
known->pub.signal = new->pub.signal;
known->pub.capability = new->pub.capability;
known->ts = new->ts;
known->ts_boottime = new->ts_boottime;
known->parent_tsf = new->parent_tsf;
known->pub.chains = new->pub.chains;
memcpy(known->pub.chain_signal, new->pub.chain_signal,
IEEE80211_MAX_CHAINS);
ether_addr_copy(known->parent_bssid, new->parent_bssid);
known->pub.max_bssid_indicator = new->pub.max_bssid_indicator;
known->pub.bssid_index = new->pub.bssid_index;
return true;
}
/* Returned bss is reference counted and must be cleaned up appropriately. */
struct cfg80211_internal_bss *
cfg80211_bss_update(struct cfg80211_registered_device *rdev,
@ -1114,88 +1201,8 @@ cfg80211_bss_update(struct cfg80211_registered_device *rdev,
found = rb_find_bss(rdev, tmp, BSS_CMP_REGULAR);
if (found) {
/* Update IEs */
if (rcu_access_pointer(tmp->pub.proberesp_ies)) {
const struct cfg80211_bss_ies *old;
old = rcu_access_pointer(found->pub.proberesp_ies);
rcu_assign_pointer(found->pub.proberesp_ies,
tmp->pub.proberesp_ies);
/* Override possible earlier Beacon frame IEs */
rcu_assign_pointer(found->pub.ies,
tmp->pub.proberesp_ies);
if (old)
kfree_rcu((struct cfg80211_bss_ies *)old,
rcu_head);
} else if (rcu_access_pointer(tmp->pub.beacon_ies)) {
const struct cfg80211_bss_ies *old;
struct cfg80211_internal_bss *bss;
if (found->pub.hidden_beacon_bss &&
!list_empty(&found->hidden_list)) {
const struct cfg80211_bss_ies *f;
/*
* The found BSS struct is one of the probe
* response members of a group, but we're
* receiving a beacon (beacon_ies in the tmp
* bss is used). This can only mean that the
* AP changed its beacon from not having an
* SSID to showing it, which is confusing so
* drop this information.
*/
f = rcu_access_pointer(tmp->pub.beacon_ies);
kfree_rcu((struct cfg80211_bss_ies *)f,
rcu_head);
goto drop;
}
old = rcu_access_pointer(found->pub.beacon_ies);
rcu_assign_pointer(found->pub.beacon_ies,
tmp->pub.beacon_ies);
/* Override IEs if they were from a beacon before */
if (old == rcu_access_pointer(found->pub.ies))
rcu_assign_pointer(found->pub.ies,
tmp->pub.beacon_ies);
/* Assign beacon IEs to all sub entries */
list_for_each_entry(bss, &found->hidden_list,
hidden_list) {
const struct cfg80211_bss_ies *ies;
ies = rcu_access_pointer(bss->pub.beacon_ies);
WARN_ON(ies != old);
rcu_assign_pointer(bss->pub.beacon_ies,
tmp->pub.beacon_ies);
}
if (old)
kfree_rcu((struct cfg80211_bss_ies *)old,
rcu_head);
}
found->pub.beacon_interval = tmp->pub.beacon_interval;
/*
* don't update the signal if beacon was heard on
* adjacent channel.
*/
if (signal_valid)
found->pub.signal = tmp->pub.signal;
found->pub.capability = tmp->pub.capability;
found->ts = tmp->ts;
found->ts_boottime = tmp->ts_boottime;
found->parent_tsf = tmp->parent_tsf;
found->pub.chains = tmp->pub.chains;
memcpy(found->pub.chain_signal, tmp->pub.chain_signal,
IEEE80211_MAX_CHAINS);
ether_addr_copy(found->parent_bssid, tmp->parent_bssid);
found->pub.max_bssid_indicator = tmp->pub.max_bssid_indicator;
found->pub.bssid_index = tmp->pub.bssid_index;
if (!cfg80211_update_known_bss(rdev, found, tmp, signal_valid))
goto drop;
} else {
struct cfg80211_internal_bss *new;
struct cfg80211_internal_bss *hidden;
@ -1368,6 +1375,7 @@ cfg80211_inform_single_bss_data(struct wiphy *wiphy,
struct cfg80211_internal_bss tmp = {}, *res;
int bss_type;
bool signal_valid;
unsigned long ts;
if (WARN_ON(!wiphy))
return NULL;
@ -1390,8 +1398,11 @@ cfg80211_inform_single_bss_data(struct wiphy *wiphy,
tmp.ts_boottime = data->boottime_ns;
if (non_tx_data) {
tmp.pub.transmitted_bss = non_tx_data->tx_bss;
ts = bss_from_pub(non_tx_data->tx_bss)->ts;
tmp.pub.bssid_index = non_tx_data->bssid_index;
tmp.pub.max_bssid_indicator = non_tx_data->max_bssid_indicator;
} else {
ts = jiffies;
}
/*
@ -1425,8 +1436,7 @@ cfg80211_inform_single_bss_data(struct wiphy *wiphy,
signal_valid = abs(data->chan->center_freq - channel->center_freq) <=
wiphy->max_adj_channel_rssi_comp;
res = cfg80211_bss_update(wiphy_to_rdev(wiphy), &tmp, signal_valid,
jiffies);
res = cfg80211_bss_update(wiphy_to_rdev(wiphy), &tmp, signal_valid, ts);
if (!res)
return NULL;
@ -1440,7 +1450,7 @@ cfg80211_inform_single_bss_data(struct wiphy *wiphy,
regulatory_hint_found_beacon(wiphy, channel, gfp);
}
if (non_tx_data && non_tx_data->tx_bss) {
if (non_tx_data) {
/* this is a nontransmitting bss, we need to add it to
* transmitting bss' list if it is not there
*/
@ -1659,6 +1669,8 @@ cfg80211_inform_bss_data(struct wiphy *wiphy,
res = cfg80211_inform_single_bss_data(wiphy, data, ftype, bssid, tsf,
capability, beacon_interval, ie,
ielen, NULL, gfp);
if (!res)
return NULL;
non_tx_data.tx_bss = res;
cfg80211_parse_mbssid_data(wiphy, data, ftype, bssid, tsf,
beacon_interval, ie, ielen, &non_tx_data,
@ -1776,7 +1788,6 @@ static struct cfg80211_bss *
cfg80211_inform_single_bss_frame_data(struct wiphy *wiphy,
struct cfg80211_inform_bss *data,
struct ieee80211_mgmt *mgmt, size_t len,
struct cfg80211_non_tx_bss *non_tx_data,
gfp_t gfp)
{
struct cfg80211_internal_bss tmp = {}, *res;
@ -1835,11 +1846,6 @@ cfg80211_inform_single_bss_frame_data(struct wiphy *wiphy,
tmp.pub.chains = data->chains;
memcpy(tmp.pub.chain_signal, data->chain_signal, IEEE80211_MAX_CHAINS);
ether_addr_copy(tmp.parent_bssid, data->parent_bssid);
if (non_tx_data) {
tmp.pub.transmitted_bss = non_tx_data->tx_bss;
tmp.pub.bssid_index = non_tx_data->bssid_index;
tmp.pub.max_bssid_indicator = non_tx_data->max_bssid_indicator;
}
signal_valid = abs(data->chan->center_freq - channel->center_freq) <=
wiphy->max_adj_channel_rssi_comp;
@ -1877,7 +1883,7 @@ cfg80211_inform_bss_frame_data(struct wiphy *wiphy,
struct cfg80211_non_tx_bss non_tx_data;
res = cfg80211_inform_single_bss_frame_data(wiphy, data, mgmt,
len, NULL, gfp);
len, gfp);
if (!res || !wiphy->support_mbssid ||
!cfg80211_find_ie(WLAN_EID_MULTIPLE_BSSID, ie, ielen))
return res;
@ -1995,6 +2001,85 @@ void cfg80211_bss_iter(struct wiphy *wiphy,
}
EXPORT_SYMBOL(cfg80211_bss_iter);
void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev,
struct ieee80211_channel *chan)
{
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
struct cfg80211_internal_bss *cbss = wdev->current_bss;
struct cfg80211_internal_bss *new = NULL;
struct cfg80211_internal_bss *bss;
struct cfg80211_bss *nontrans_bss;
struct cfg80211_bss *tmp;
spin_lock_bh(&rdev->bss_lock);
if (WARN_ON(cbss->pub.channel == chan))
goto done;
/* use transmitting bss */
if (cbss->pub.transmitted_bss)
cbss = container_of(cbss->pub.transmitted_bss,
struct cfg80211_internal_bss,
pub);
cbss->pub.channel = chan;
list_for_each_entry(bss, &rdev->bss_list, list) {
if (!cfg80211_bss_type_match(bss->pub.capability,
bss->pub.channel->band,
wdev->conn_bss_type))
continue;
if (bss == cbss)
continue;
if (!cmp_bss(&bss->pub, &cbss->pub, BSS_CMP_REGULAR)) {
new = bss;
break;
}
}
if (new) {
/* to save time, update IEs for transmitting bss only */
if (cfg80211_update_known_bss(rdev, cbss, new, false)) {
new->pub.proberesp_ies = NULL;
new->pub.beacon_ies = NULL;
}
list_for_each_entry_safe(nontrans_bss, tmp,
&new->pub.nontrans_list,
nontrans_list) {
bss = container_of(nontrans_bss,
struct cfg80211_internal_bss, pub);
if (__cfg80211_unlink_bss(rdev, bss))
rdev->bss_generation++;
}
WARN_ON(atomic_read(&new->hold));
if (!WARN_ON(!__cfg80211_unlink_bss(rdev, new)))
rdev->bss_generation++;
}
rb_erase(&cbss->rbn, &rdev->bss_tree);
rb_insert_bss(rdev, cbss);
rdev->bss_generation++;
list_for_each_entry_safe(nontrans_bss, tmp,
&cbss->pub.nontrans_list,
nontrans_list) {
bss = container_of(nontrans_bss,
struct cfg80211_internal_bss, pub);
bss->pub.channel = chan;
rb_erase(&bss->rbn, &rdev->bss_tree);
rb_insert_bss(rdev, bss);
rdev->bss_generation++;
}
done:
spin_unlock_bh(&rdev->bss_lock);
}
#ifdef CONFIG_CFG80211_WEXT
static struct cfg80211_registered_device *
cfg80211_get_dev_from_ifindex(struct net *net, int ifindex)