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Merge "wil6210: Add EDMG channel support"

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This commit is contained in:
qctecmdr 2019-09-09 19:51:22 -07:00 committed by Gerrit - the friendly Code Review server
commit 959cbcf5ea
12 changed files with 537 additions and 18 deletions
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131
drivers/net/wireless/ath/wil6210/cfg80211.c
View File

@ -18,6 +18,22 @@
#define WIL_BRD_SUFFIX_CN "CN"
#define WIL_BRD_SUFFIX_FCC "FCC"
#define WIL_EDMG_CHANNEL_9_SUBCHANNELS (BIT(0) | BIT(1))
#define WIL_EDMG_CHANNEL_10_SUBCHANNELS (BIT(1) | BIT(2))
#define WIL_EDMG_CHANNEL_11_SUBCHANNELS (BIT(2) | BIT(3))
/* WIL_EDMG_BW_CONFIGURATION define the allowed channel bandwidth
* configurations as defined by IEEE 802.11 section 9.4.2.251, Table 13.
* The value 5 allowing CB1 and CB2 of adjacent channels.
*/
#define WIL_EDMG_BW_CONFIGURATION 5
/* WIL_EDMG_CHANNELS is a bitmap that indicates the 2.16 GHz channel(s) that
* are allowed to be used for EDMG transmissions in the BSS as defined by
* IEEE 802.11 section 9.4.2.251.
*/
#define WIL_EDMG_CHANNELS (BIT(0) | BIT(1) | BIT(2) | BIT(3))
bool disable_ap_sme;
module_param(disable_ap_sme, bool, 0444);
MODULE_PARM_DESC(disable_ap_sme, " let user space handle AP mode SME");
@ -56,6 +72,39 @@ static struct ieee80211_channel wil_60ghz_channels[] = {
CHAN60G(4, 0),
};
/* Rx channel bonding mode */
enum wil_rx_cb_mode {
WIL_RX_CB_MODE_DMG,
WIL_RX_CB_MODE_EDMG,
WIL_RX_CB_MODE_WIDE,
};
static int wil_rx_cb_mode_to_n_bonded(u8 cb_mode)
{
switch (cb_mode) {
case WIL_RX_CB_MODE_DMG:
case WIL_RX_CB_MODE_EDMG:
return 1;
case WIL_RX_CB_MODE_WIDE:
return 2;
default:
return 1;
}
}
static int wil_tx_cb_mode_to_n_bonded(u8 cb_mode)
{
switch (cb_mode) {
case WMI_TX_MODE_DMG:
case WMI_TX_MODE_EDMG_CB1:
return 1;
case WMI_TX_MODE_EDMG_CB2:
return 2;
default:
return 1;
}
}
static void
wil_memdup_ie(u8 **pdst, size_t *pdst_len, const u8 *src, size_t src_len)
{
@ -167,6 +216,13 @@ void update_supported_bands(struct wil6210_priv *wil)
wiphy->bands[NL80211_BAND_60GHZ]->n_channels =
wil_num_supported_channels(wil);
if (test_bit(WMI_FW_CAPABILITY_CHANNEL_BONDING, wil->fw_capabilities)) {
wiphy->bands[NL80211_BAND_60GHZ]->edmg_cap.channels =
WIL_EDMG_CHANNELS;
wiphy->bands[NL80211_BAND_60GHZ]->edmg_cap.bw_config =
WIL_EDMG_BW_CONFIGURATION;
}
}
/* Vendor id to be used in vendor specific command and events
@ -593,6 +649,7 @@ int wil_cid_fill_sinfo(struct wil6210_vif *vif, int cid,
} __packed reply;
struct wil_net_stats *stats = &wil->sta[cid].stats;
int rc;
u8 txflag = RATE_INFO_FLAGS_DMG;
memset(&reply, 0, sizeof(reply));
@ -606,7 +663,8 @@ int wil_cid_fill_sinfo(struct wil6210_vif *vif, int cid,
" MCS %d TSF 0x%016llx\n"
" BF status 0x%08x RSSI %d SQI %d%%\n"
" Tx Tpt %d goodput %d Rx goodput %d\n"
" Sectors(rx:tx) my %d:%d peer %d:%d\n""}\n",
" Sectors(rx:tx) my %d:%d peer %d:%d\n"
" Tx mode %d}\n",
cid, vif->mid, le16_to_cpu(reply.evt.bf_mcs),
le64_to_cpu(reply.evt.tsf), reply.evt.status,
reply.evt.rssi,
@ -617,7 +675,8 @@ int wil_cid_fill_sinfo(struct wil6210_vif *vif, int cid,
le16_to_cpu(reply.evt.my_rx_sector),
le16_to_cpu(reply.evt.my_tx_sector),
le16_to_cpu(reply.evt.other_rx_sector),
le16_to_cpu(reply.evt.other_tx_sector));
le16_to_cpu(reply.evt.other_tx_sector),
reply.evt.tx_mode);
sinfo->generation = wil->sinfo_gen;
@ -630,9 +689,16 @@ int wil_cid_fill_sinfo(struct wil6210_vif *vif, int cid,
BIT_ULL(NL80211_STA_INFO_RX_DROP_MISC) |
BIT_ULL(NL80211_STA_INFO_TX_FAILED);
sinfo->txrate.flags = RATE_INFO_FLAGS_60G;
if (wil->use_enhanced_dma_hw && reply.evt.tx_mode != WMI_TX_MODE_DMG)
txflag = RATE_INFO_FLAGS_EDMG;
sinfo->txrate.flags = txflag;
sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs);
sinfo->rxrate.mcs = stats->last_mcs_rx;
sinfo->txrate.n_bonded_ch =
wil_tx_cb_mode_to_n_bonded(reply.evt.tx_mode);
sinfo->rxrate.n_bonded_ch =
wil_rx_cb_mode_to_n_bonded(stats->last_cb_mode_rx);
sinfo->rx_bytes = stats->rx_bytes;
sinfo->rx_packets = stats->rx_packets;
sinfo->rx_dropped_misc = stats->rx_dropped;
@ -1310,6 +1376,33 @@ static int wil_ft_connect(struct wiphy *wiphy,
return rc;
}
static int wil_get_wmi_edmg_channel(struct wil6210_priv *wil, u8 edmg_bw_config,
u8 edmg_channels, u8 *wmi_ch)
{
if (!edmg_bw_config) {
*wmi_ch = 0;
return 0;
} else if (edmg_bw_config == WIL_EDMG_BW_CONFIGURATION) {
/* convert from edmg channel bitmap into edmg channel number */
switch (edmg_channels) {
case WIL_EDMG_CHANNEL_9_SUBCHANNELS:
return wil_spec2wmi_ch(9, wmi_ch);
case WIL_EDMG_CHANNEL_10_SUBCHANNELS:
return wil_spec2wmi_ch(10, wmi_ch);
case WIL_EDMG_CHANNEL_11_SUBCHANNELS:
return wil_spec2wmi_ch(11, wmi_ch);
default:
wil_err(wil, "Unsupported edmg channel bitmap 0x%x\n",
edmg_channels);
return -EINVAL;
}
} else {
wil_err(wil, "Unsupported EDMG BW configuration %d\n",
edmg_bw_config);
return -EINVAL;
}
}
static int wil_cfg80211_connect(struct wiphy *wiphy,
struct net_device *ndev,
struct cfg80211_connect_params *sme)
@ -1455,7 +1548,7 @@ static int wil_cfg80211_connect(struct wiphy *wiphy,
memcpy(conn.ssid, ssid_eid+2, conn.ssid_len);
conn.channel = ch - 1;
if (test_bit(WMI_FW_CAPABILITY_CHANNEL_BONDING, wil->fw_capabilities))
if (test_bit(WMI_FW_CAPABILITY_CHANNEL_BONDING, wil->fw_capabilities)) {
if (wil->force_edmg_channel) {
rc = wil_spec2wmi_ch(wil->force_edmg_channel,
&conn.edmg_channel);
@ -1463,7 +1556,15 @@ static int wil_cfg80211_connect(struct wiphy *wiphy,
wil_err(wil,
"wmi channel for channel %d not found",
wil->force_edmg_channel);
} else {
rc = wil_get_wmi_edmg_channel(wil,
sme->edmg.bw_config,
sme->edmg.channels,
&conn.edmg_channel);
if (rc < 0)
return rc;
}
}
ether_addr_copy(conn.bssid, bss->bssid);
ether_addr_copy(conn.dst_mac, bss->bssid);
@ -2032,7 +2133,7 @@ out:
static int _wil_cfg80211_start_ap(struct wiphy *wiphy,
struct net_device *ndev,
const u8 *ssid, size_t ssid_len, u32 privacy,
int bi, u8 chan,
int bi, u8 chan, u8 wmi_edmg_channel,
struct cfg80211_beacon_data *bcon,
u8 hidden_ssid, u32 pbss)
{
@ -2111,6 +2212,7 @@ static int _wil_cfg80211_start_ap(struct wiphy *wiphy,
vif->privacy = privacy;
vif->channel = chan;
vif->wmi_edmg_channel = wmi_edmg_channel;
vif->hidden_ssid = hidden_ssid;
vif->pbss = pbss;
vif->bi = bi;
@ -2132,7 +2234,8 @@ static int _wil_cfg80211_start_ap(struct wiphy *wiphy,
}
rc = wmi_pcp_start(vif, bi, wmi_nettype, chan, hidden_ssid, is_go);
rc = wmi_pcp_start(vif, bi, wmi_nettype, chan, wmi_edmg_channel,
hidden_ssid, is_go);
if (rc)
goto err_pcp_start;
@ -2197,7 +2300,8 @@ void wil_cfg80211_ap_recovery(struct wil6210_priv *wil)
rc = _wil_cfg80211_start_ap(wiphy, ndev,
vif->ssid, vif->ssid_len,
vif->privacy, vif->bi,
vif->channel, &bcon,
vif->channel,
vif->wmi_edmg_channel, &bcon,
vif->hidden_ssid, vif->pbss);
if (rc) {
wil_err(wil, "vif %d recovery failed (%d)\n", i, rc);
@ -2247,7 +2351,8 @@ static int wil_cfg80211_change_beacon(struct wiphy *wiphy,
rc = _wil_cfg80211_start_ap(wiphy, ndev, vif->ssid,
vif->ssid_len, privacy,
wdev->beacon_interval,
vif->channel, bcon,
vif->channel,
vif->wmi_edmg_channel, bcon,
vif->hidden_ssid,
vif->pbss);
} else {
@ -2266,10 +2371,17 @@ static int wil_cfg80211_start_ap(struct wiphy *wiphy,
struct ieee80211_channel *channel = info->chandef.chan;
struct cfg80211_beacon_data *bcon = &info->beacon;
struct cfg80211_crypto_settings *crypto = &info->crypto;
u8 wmi_edmg_channel;
u8 hidden_ssid;
wil_dbg_misc(wil, "start_ap\n");
rc = wil_get_wmi_edmg_channel(wil, info->chandef.edmg.bw_config,
info->chandef.edmg.channels,
&wmi_edmg_channel);
if (rc < 0)
return rc;
if (!channel) {
wil_err(wil, "AP: No channel???\n");
return -EINVAL;
@ -2309,7 +2421,8 @@ static int wil_cfg80211_start_ap(struct wiphy *wiphy,
rc = _wil_cfg80211_start_ap(wiphy, ndev,
info->ssid, info->ssid_len, info->privacy,
info->beacon_interval, channel->hw_value,
bcon, hidden_ssid, info->pbss);
wmi_edmg_channel, bcon, hidden_ssid,
info->pbss);
return rc;
}

2
drivers/net/wireless/ath/wil6210/txrx_edma.c
View File

@ -1080,6 +1080,8 @@ skipping:
stats->last_mcs_rx = wil_rx_status_get_mcs(msg);
if (stats->last_mcs_rx < ARRAY_SIZE(stats->rx_per_mcs))
stats->rx_per_mcs[stats->last_mcs_rx]++;
stats->last_cb_mode_rx = wil_rx_status_get_cb_mode(msg);
}
if (!wil->use_rx_hw_reordering && !wil->use_compressed_rx_status &&

6
drivers/net/wireless/ath/wil6210/txrx_edma.h
View File

@ -354,6 +354,12 @@ static inline u8 wil_rx_status_get_mcs(void *msg)
16, 21);
}
static inline u8 wil_rx_status_get_cb_mode(void *msg)
{
return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d1,
22, 23);
}
static inline u16 wil_rx_status_get_flow_id(void *msg)
{
return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0,

5
drivers/net/wireless/ath/wil6210/wil6210.h
View File

@ -604,6 +604,7 @@ struct wil_net_stats {
unsigned long rx_amsdu_error; /* eDMA specific */
unsigned long rx_csum_err;
u16 last_mcs_rx;
u8 last_cb_mode_rx;
u64 rx_per_mcs[WIL_MCS_MAX + 1];
u32 ft_roams; /* relevant in STA mode */
};
@ -866,6 +867,7 @@ struct wil6210_vif {
DECLARE_BITMAP(status, wil_vif_status_last);
u32 privacy; /* secure connection? */
u16 channel; /* relevant in AP mode */
u8 wmi_edmg_channel; /* relevant in AP mode */
u8 hidden_ssid; /* relevant in AP mode */
u32 ap_isolate; /* no intra-BSS communication */
bool pbss;
@ -1397,7 +1399,7 @@ void wil_p2p_wdev_free(struct wil6210_priv *wil);
int wmi_set_mac_address(struct wil6210_priv *wil, void *addr);
int wmi_pcp_start(struct wil6210_vif *vif, int bi, u8 wmi_nettype, u8 chan,
u8 hidden_ssid, u8 is_go);
u8 edmg_chan, u8 hidden_ssid, u8 is_go);
int wmi_pcp_stop(struct wil6210_vif *vif);
int wmi_led_cfg(struct wil6210_priv *wil, bool enable);
int wmi_abort_scan(struct wil6210_vif *vif);
@ -1507,6 +1509,7 @@ int wmi_rbufcap_cfg(struct wil6210_priv *wil, bool enable, u16 threshold);
int wil_wmi2spec_ch(u8 wmi_ch, u8 *spec_ch);
int wil_spec2wmi_ch(u8 spec_ch, u8 *wmi_ch);
void wil_update_supported_bands(struct wil6210_priv *wil);
int reverse_memcmp(const void *cs, const void *ct, size_t count);

5
drivers/net/wireless/ath/wil6210/wmi.c
View File

@ -2259,8 +2259,8 @@ int wmi_rbufcap_cfg(struct wil6210_priv *wil, bool enable, u16 threshold)
return rc;
}
int wmi_pcp_start(struct wil6210_vif *vif,
int bi, u8 wmi_nettype, u8 chan, u8 hidden_ssid, u8 is_go)
int wmi_pcp_start(struct wil6210_vif *vif, int bi, u8 wmi_nettype,
u8 chan, u8 wmi_edmg_chan, u8 hidden_ssid, u8 is_go)
{
struct wil6210_priv *wil = vif_to_wil(vif);
int rc;
@ -2270,6 +2270,7 @@ int wmi_pcp_start(struct wil6210_vif *vif,
.network_type = wmi_nettype,
.disable_sec_offload = 1,
.channel = chan - 1,
.edmg_channel = wmi_edmg_chan,
.pcp_max_assoc_sta = max_assoc_sta,
.hidden_ssid = hidden_ssid,
.is_go = is_go,

86
include/net/cfg80211.h
View File

@ -341,6 +341,60 @@ struct ieee80211_sband_iftype_data {
struct ieee80211_sta_he_cap he_cap;
};
/**
* enum ieee80211_edmg_bw_config - allowed channel bandwidth configurations
*
* @IEEE80211_EDMG_BW_CONFIG_4: 2.16GHz
* @IEEE80211_EDMG_BW_CONFIG_5: 2.16GHz and 4.32GHz
* @IEEE80211_EDMG_BW_CONFIG_6: 2.16GHz, 4.32GHz and 6.48GHz
* @IEEE80211_EDMG_BW_CONFIG_7: 2.16GHz, 4.32GHz, 6.48GHz and 8.64GHz
* @IEEE80211_EDMG_BW_CONFIG_8: 2.16GHz and 2.16GHz + 2.16GHz
* @IEEE80211_EDMG_BW_CONFIG_9: 2.16GHz, 4.32GHz and 2.16GHz + 2.16GHz
* @IEEE80211_EDMG_BW_CONFIG_10: 2.16GHz, 4.32GHz, 6.48GHz and 2.16GHz+2.16GHz
* @IEEE80211_EDMG_BW_CONFIG_11: 2.16GHz, 4.32GHz, 6.48GHz, 8.64GHz and
* 2.16GHz+2.16GHz
* @IEEE80211_EDMG_BW_CONFIG_12: 2.16GHz, 2.16GHz + 2.16GHz and
* 4.32GHz + 4.32GHz
* @IEEE80211_EDMG_BW_CONFIG_13: 2.16GHz, 4.32GHz, 2.16GHz + 2.16GHz and
* 4.32GHz + 4.32GHz
* @IEEE80211_EDMG_BW_CONFIG_14: 2.16GHz, 4.32GHz, 6.48GHz, 2.16GHz + 2.16GHz
* and 4.32GHz + 4.32GHz
* @IEEE80211_EDMG_BW_CONFIG_15: 2.16GHz, 4.32GHz, 6.48GHz, 8.64GHz,
* 2.16GHz + 2.16GHz and 4.32GHz + 4.32GHz
*/
enum ieee80211_edmg_bw_config {
IEEE80211_EDMG_BW_CONFIG_4 = 4,
IEEE80211_EDMG_BW_CONFIG_5 = 5,
IEEE80211_EDMG_BW_CONFIG_6 = 6,
IEEE80211_EDMG_BW_CONFIG_7 = 7,
IEEE80211_EDMG_BW_CONFIG_8 = 8,
IEEE80211_EDMG_BW_CONFIG_9 = 9,
IEEE80211_EDMG_BW_CONFIG_10 = 10,
IEEE80211_EDMG_BW_CONFIG_11 = 11,
IEEE80211_EDMG_BW_CONFIG_12 = 12,
IEEE80211_EDMG_BW_CONFIG_13 = 13,
IEEE80211_EDMG_BW_CONFIG_14 = 14,
IEEE80211_EDMG_BW_CONFIG_15 = 15,
};
/**
* struct ieee80211_edmg - EDMG configuration
*
* This structure describes most essential parameters needed
* to describe 802.11ay EDMG configuration
*
* @channels: bitmap that indicates the 2.16 GHz channel(s)
* that are allowed to be used for transmissions.
* Bit 0 indicates channel 1, bit 1 indicates channel 2, etc.
* Set to 0 indicate EDMG not supported.
* @bw_config: Channel BW Configuration subfield encodes
* the allowed channel bandwidth configurations
*/
struct ieee80211_edmg {
u8 channels;
enum ieee80211_edmg_bw_config bw_config;
};
/**
* struct ieee80211_supported_band - frequency band definition
*
@ -357,6 +411,7 @@ struct ieee80211_sband_iftype_data {
* @n_bitrates: Number of bitrates in @bitrates
* @ht_cap: HT capabilities in this band
* @vht_cap: VHT capabilities in this band
* @edmg_cap: EDMG capabilities in this band
* @n_iftype_data: number of iftype data entries
* @iftype_data: interface type data entries. Note that the bits in
* @types_mask inside this structure cannot overlap (i.e. only
@ -371,6 +426,7 @@ struct ieee80211_supported_band {
int n_bitrates;
struct ieee80211_sta_ht_cap ht_cap;
struct ieee80211_sta_vht_cap vht_cap;
struct ieee80211_edmg edmg_cap;
u16 n_iftype_data;
const struct ieee80211_sband_iftype_data *iftype_data;
};
@ -522,12 +578,17 @@ struct key_params {
* @center_freq1: center frequency of first segment
* @center_freq2: center frequency of second segment
* (only with 80+80 MHz)
* @edmg: define the EDMG channels configuration.
* If edmg is requested (i.e. the .channels member is non-zero),
* chan will define the primary channel and all other
* parameters are ignored.
*/
struct cfg80211_chan_def {
struct ieee80211_channel *chan;
enum nl80211_chan_width width;
u32 center_freq1;
u32 center_freq2;
struct ieee80211_edmg edmg;
};
/**
@ -585,6 +646,19 @@ cfg80211_chandef_identical(const struct cfg80211_chan_def *chandef1,
chandef1->center_freq2 == chandef2->center_freq2);
}
/**
* cfg80211_chandef_is_edmg - check if chandef represents an EDMG channel
*
* @chandef: the channel definition
*
* Return: %true if EDMG defined, %false otherwise.
*/
static inline bool
cfg80211_chandef_is_edmg(const struct cfg80211_chan_def *chandef)
{
return chandef->edmg.channels || chandef->edmg.bw_config;
}
/**
* cfg80211_chandef_compatible - check if two channel definitions are compatible
* @chandef1: first channel definition
@ -1124,15 +1198,17 @@ int cfg80211_check_station_change(struct wiphy *wiphy,
* @RATE_INFO_FLAGS_MCS: mcs field filled with HT MCS
* @RATE_INFO_FLAGS_VHT_MCS: mcs field filled with VHT MCS
* @RATE_INFO_FLAGS_SHORT_GI: 400ns guard interval
* @RATE_INFO_FLAGS_60G: 60GHz MCS
* @RATE_INFO_FLAGS_DMG: 60GHz MCS
* @RATE_INFO_FLAGS_HE_MCS: HE MCS information
* @RATE_INFO_FLAGS_EDMG: 60GHz MCS in EDMG mode
*/
enum rate_info_flags {
RATE_INFO_FLAGS_MCS = BIT(0),
RATE_INFO_FLAGS_VHT_MCS = BIT(1),
RATE_INFO_FLAGS_SHORT_GI = BIT(2),
RATE_INFO_FLAGS_60G = BIT(3),
RATE_INFO_FLAGS_DMG = BIT(3),
RATE_INFO_FLAGS_HE_MCS = BIT(4),
RATE_INFO_FLAGS_EDMG = BIT(5),
};
/**
@ -1172,6 +1248,7 @@ enum rate_info_bw {
* @he_dcm: HE DCM value
* @he_ru_alloc: HE RU allocation (from &enum nl80211_he_ru_alloc,
* only valid if bw is %RATE_INFO_BW_HE_RU)
* @n_bonded_ch: In case of EDMG the number of bonded channels (1-4)
*/
struct rate_info {
u8 flags;
@ -1182,6 +1259,7 @@ struct rate_info {
u8 he_gi;
u8 he_dcm;
u8 he_ru_alloc;
u8 n_bonded_ch;
};
/**
@ -2347,6 +2425,9 @@ struct cfg80211_bss_selection {
* @fils_erp_rrk_len: Length of @fils_erp_rrk in octets.
* @want_1x: indicates user-space supports and wants to use 802.1X driver
* offload of 4-way handshake.
* @edmg: define the EDMG channels.
* This may specify multiple channels and bonding options for the driver
* to choose from, based on BSS configuration.
*/
struct cfg80211_connect_params {
struct ieee80211_channel *channel;
@ -2380,6 +2461,7 @@ struct cfg80211_connect_params {
const u8 *fils_erp_rrk;
size_t fils_erp_rrk_len;
bool want_1x;
struct ieee80211_edmg edmg;
};
/**

81
include/uapi/linux/nl80211.h
View File

@ -52,6 +52,11 @@
#define NL80211_MULTICAST_GROUP_NAN "nan"
#define NL80211_MULTICAST_GROUP_TESTMODE "testmode"
#define NL80211_EDMG_BW_CONFIG_MIN 4
#define NL80211_EDMG_BW_CONFIG_MAX 15
#define NL80211_EDMG_CHANNELS_MIN 1
#define NL80211_EDMG_CHANNELS_MAX 0x3c /* 0b00111100 */
/**
* DOC: Station handling
*
@ -2288,6 +2293,52 @@ enum nl80211_commands {
* association request when used with NL80211_CMD_NEW_STATION). Can be set
* only if %NL80211_STA_FLAG_WME is set.
*
* @NL80211_ATTR_FTM_RESPONDER: nested attribute which user-space can include
* in %NL80211_CMD_START_AP or %NL80211_CMD_SET_BEACON for fine timing
* measurement (FTM) responder functionality and containing parameters as
* possible, see &enum nl80211_ftm_responder_attr
*
* @NL80211_ATTR_FTM_RESPONDER_STATS: Nested attribute with FTM responder
* statistics, see &enum nl80211_ftm_responder_stats.
*
* @NL80211_ATTR_TIMEOUT: Timeout for the given operation in milliseconds (u32),
* if the attribute is not given no timeout is requested. Note that 0 is an
* invalid value.
*
* @NL80211_ATTR_PEER_MEASUREMENTS: peer measurements request (and result)
* data, uses nested attributes specified in
* &enum nl80211_peer_measurement_attrs.
* This is also used for capability advertisement in the wiphy information,
* with the appropriate sub-attributes.
*
* @NL80211_ATTR_AIRTIME_WEIGHT: Station's weight when scheduled by the airtime
* scheduler.
*
* @NL80211_ATTR_STA_TX_POWER_SETTING: Transmit power setting type (u8) for
* station associated with the AP. See &enum nl80211_tx_power_setting for
* possible values.
* @NL80211_ATTR_STA_TX_POWER: Transmit power level (s16) in dBm units. This
* allows to set Tx power for a station. If this attribute is not included,
* the default per-interface tx power setting will be overriding. Driver
* should be picking up the lowest tx power, either tx power per-interface
* or per-station.
*
* @NL80211_ATTR_SAE_PASSWORD: attribute for passing SAE password material. It
* is used with %NL80211_CMD_CONNECT to provide password for offloading
* SAE authentication for WPA3-Personal networks.
*
* @NL80211_ATTR_TWT_RESPONDER: Enable target wait time responder support.
*
* @NL80211_ATTR_HE_OBSS_PD: nested attribute for OBSS Packet Detection
* functionality.
*
* @NL80211_ATTR_WIPHY_EDMG_CHANNELS: bitmap that indicates the 2.16 GHz
* channel(s) that are allowed to be used for EDMG transmissions.
* Defined by IEEE P802.11ay/D4.0 section 9.4.2.251. (u8 attribute)
* @NL80211_ATTR_WIPHY_EDMG_BW_CONFIG: Channel BW Configuration subfield encodes
* the allowed channel bandwidth configurations. (u8 attribute)
* Defined by IEEE P802.11ay/D4.0 section 9.4.2.251, Table 13.
*
* @NUM_NL80211_ATTR: total number of nl80211_attrs available
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
@ -2729,6 +2780,27 @@ enum nl80211_attrs {
NL80211_ATTR_HE_CAPABILITY,
NL80211_ATTR_FTM_RESPONDER,
NL80211_ATTR_FTM_RESPONDER_STATS,
NL80211_ATTR_TIMEOUT,
NL80211_ATTR_PEER_MEASUREMENTS,
NL80211_ATTR_AIRTIME_WEIGHT,
NL80211_ATTR_STA_TX_POWER_SETTING,
NL80211_ATTR_STA_TX_POWER,
NL80211_ATTR_SAE_PASSWORD,
NL80211_ATTR_TWT_RESPONDER,
NL80211_ATTR_HE_OBSS_PD,
NL80211_ATTR_WIPHY_EDMG_CHANNELS,
NL80211_ATTR_WIPHY_EDMG_BW_CONFIG,
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
@ -3320,6 +3392,12 @@ enum nl80211_band_iftype_attr {
* @NL80211_BAND_ATTR_VHT_CAPA: VHT capabilities, as in the HT information IE
* @NL80211_BAND_ATTR_IFTYPE_DATA: nested array attribute, with each entry using
* attributes from &enum nl80211_band_iftype_attr
* @NL80211_BAND_ATTR_EDMG_CHANNELS: bitmap that indicates the 2.16 GHz
* channel(s) that are allowed to be used for EDMG transmissions.
* Defined by IEEE P802.11ay/D4.0 section 9.4.2.251.
* @NL80211_BAND_ATTR_EDMG_BW_CONFIG: Channel BW Configuration subfield encodes
* the allowed channel bandwidth configurations.
* Defined by IEEE P802.11ay/D4.0 section 9.4.2.251, Table 13.
* @NL80211_BAND_ATTR_MAX: highest band attribute currently defined
* @__NL80211_BAND_ATTR_AFTER_LAST: internal use
*/
@ -3337,6 +3415,9 @@ enum nl80211_band_attr {
NL80211_BAND_ATTR_VHT_CAPA,
NL80211_BAND_ATTR_IFTYPE_DATA,
NL80211_BAND_ATTR_EDMG_CHANNELS,
NL80211_BAND_ATTR_EDMG_BW_CONFIG,
/* keep last */
__NL80211_BAND_ATTR_AFTER_LAST,
NL80211_BAND_ATTR_MAX = __NL80211_BAND_ATTR_AFTER_LAST - 1

2
net/mac80211/mlme.c
View File

@ -160,10 +160,10 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
memcpy(&sta_ht_cap, &sband->ht_cap, sizeof(sta_ht_cap));
ieee80211_apply_htcap_overrides(sdata, &sta_ht_cap);
memset(chandef, 0, sizeof(struct cfg80211_chan_def));
chandef->chan = channel;
chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
chandef->center_freq1 = channel->center_freq;
chandef->center_freq2 = 0;
if (!ht_oper || !sta_ht_cap.ht_supported) {
ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT;

4
net/mac80211/status.c
View File

@ -264,6 +264,8 @@ static int ieee80211_tx_radiotap_len(struct ieee80211_tx_info *info)
/* IEEE80211_RADIOTAP_RATE rate */
if (info->status.rates[0].idx >= 0 &&
!(info->status.rates[0].flags & (IEEE80211_TX_RC_MCS |
RATE_INFO_FLAGS_DMG |
RATE_INFO_FLAGS_EDMG |
IEEE80211_TX_RC_VHT_MCS)))
len += 2;
@ -315,6 +317,8 @@ 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 |
RATE_INFO_FLAGS_DMG |
RATE_INFO_FLAGS_EDMG |
IEEE80211_TX_RC_VHT_MCS))) {
u16 rate;

159
net/wireless/chan.c
View File

@ -13,6 +13,11 @@
#include "core.h"
#include "rdev-ops.h"
static bool cfg80211_valid_60g_freq(u32 freq)
{
return freq >= 58320 && freq <= 70200;
}
void cfg80211_chandef_create(struct cfg80211_chan_def *chandef,
struct ieee80211_channel *chan,
enum nl80211_channel_type chan_type)
@ -22,6 +27,8 @@ void cfg80211_chandef_create(struct cfg80211_chan_def *chandef,
chandef->chan = chan;
chandef->center_freq2 = 0;
chandef->edmg.bw_config = 0;
chandef->edmg.channels = 0;
switch (chan_type) {
case NL80211_CHAN_NO_HT:
@ -46,6 +53,91 @@ void cfg80211_chandef_create(struct cfg80211_chan_def *chandef,
}
EXPORT_SYMBOL(cfg80211_chandef_create);
static bool cfg80211_edmg_chandef_valid(const struct cfg80211_chan_def *chandef)
{
int max_contiguous = 0;
int num_of_enabled = 0;
int contiguous = 0;
int i;
if (!chandef->edmg.channels || !chandef->edmg.bw_config)
return false;
if (!cfg80211_valid_60g_freq(chandef->chan->center_freq))
return false;
for (i = 0; i < 6; i++) {
if (chandef->edmg.channels & BIT(i)) {
contiguous++;
num_of_enabled++;
} else {
contiguous = 0;
}
max_contiguous = max(contiguous, max_contiguous);
}
/* basic verification of edmg configuration according to
* IEEE P802.11ay/D4.0 section 9.4.2.251
*/
/* check bw_config against contiguous edmg channels */
switch (chandef->edmg.bw_config) {
case IEEE80211_EDMG_BW_CONFIG_4:
case IEEE80211_EDMG_BW_CONFIG_8:
case IEEE80211_EDMG_BW_CONFIG_12:
if (max_contiguous < 1)
return false;
break;
case IEEE80211_EDMG_BW_CONFIG_5:
case IEEE80211_EDMG_BW_CONFIG_9:
case IEEE80211_EDMG_BW_CONFIG_13:
if (max_contiguous < 2)
return false;
break;
case IEEE80211_EDMG_BW_CONFIG_6:
case IEEE80211_EDMG_BW_CONFIG_10:
case IEEE80211_EDMG_BW_CONFIG_14:
if (max_contiguous < 3)
return false;
break;
case IEEE80211_EDMG_BW_CONFIG_7:
case IEEE80211_EDMG_BW_CONFIG_11:
case IEEE80211_EDMG_BW_CONFIG_15:
if (max_contiguous < 4)
return false;
break;
default:
return false;
}
/* check bw_config against aggregated (non contiguous) edmg channels */
switch (chandef->edmg.bw_config) {
case IEEE80211_EDMG_BW_CONFIG_4:
case IEEE80211_EDMG_BW_CONFIG_5:
case IEEE80211_EDMG_BW_CONFIG_6:
case IEEE80211_EDMG_BW_CONFIG_7:
break;
case IEEE80211_EDMG_BW_CONFIG_8:
case IEEE80211_EDMG_BW_CONFIG_9:
case IEEE80211_EDMG_BW_CONFIG_10:
case IEEE80211_EDMG_BW_CONFIG_11:
if (num_of_enabled < 2)
return false;
break;
case IEEE80211_EDMG_BW_CONFIG_12:
case IEEE80211_EDMG_BW_CONFIG_13:
case IEEE80211_EDMG_BW_CONFIG_14:
case IEEE80211_EDMG_BW_CONFIG_15:
if (num_of_enabled < 4 || max_contiguous < 2)
return false;
break;
default:
return false;
}
return true;
}
bool cfg80211_chandef_valid(const struct cfg80211_chan_def *chandef)
{
u32 control_freq;
@ -111,6 +203,10 @@ bool cfg80211_chandef_valid(const struct cfg80211_chan_def *chandef)
return false;
}
if (cfg80211_chandef_is_edmg(chandef) &&
!cfg80211_edmg_chandef_valid(chandef))
return false;
return true;
}
EXPORT_SYMBOL(cfg80211_chandef_valid);
@ -720,12 +816,66 @@ static bool cfg80211_secondary_chans_ok(struct wiphy *wiphy,
return true;
}
/* check if the operating channels are valid and supported */
static bool cfg80211_edmg_usable(struct wiphy *wiphy, u8 edmg_channels,
enum ieee80211_edmg_bw_config edmg_bw_config,
int primary_channel,
struct ieee80211_edmg *edmg_cap)
{
struct ieee80211_channel *chan;
int i, freq;
int channels_counter = 0;
if (!edmg_channels && !edmg_bw_config)
return true;
if ((!edmg_channels && edmg_bw_config) ||
(edmg_channels && !edmg_bw_config))
return false;
if (!(edmg_channels & BIT(primary_channel - 1)))
return false;
/* 60GHz channels 1..6 */
for (i = 0; i < 6; i++) {
if (!(edmg_channels & BIT(i)))
continue;
if (!(edmg_cap->channels & BIT(i)))
return false;
channels_counter++;
freq = ieee80211_channel_to_frequency(i + 1,
NL80211_BAND_60GHZ);
chan = ieee80211_get_channel(wiphy, freq);
if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
return false;
}
/* IEEE802.11 allows max 4 channels */
if (channels_counter > 4)
return false;
/* check bw_config is a subset of what driver supports
* (see IEEE P802.11ay/D4.0 section 9.4.2.251, Table 13)
*/
if ((edmg_bw_config % 4) > (edmg_cap->bw_config % 4))
return false;
if (edmg_bw_config > edmg_cap->bw_config)
return false;
return true;
}
bool cfg80211_chandef_usable(struct wiphy *wiphy,
const struct cfg80211_chan_def *chandef,
u32 prohibited_flags)
{
struct ieee80211_sta_ht_cap *ht_cap;
struct ieee80211_sta_vht_cap *vht_cap;
struct ieee80211_edmg *edmg_cap;
u32 width, control_freq, cap;
if (WARN_ON(!cfg80211_chandef_valid(chandef)))
@ -733,6 +883,15 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
ht_cap = &wiphy->bands[chandef->chan->band]->ht_cap;
vht_cap = &wiphy->bands[chandef->chan->band]->vht_cap;
edmg_cap = &wiphy->bands[chandef->chan->band]->edmg_cap;
if (edmg_cap->channels &&
!cfg80211_edmg_usable(wiphy,
chandef->edmg.channels,
chandef->edmg.bw_config,
chandef->chan->hw_value,
edmg_cap))
return false;
control_freq = chandef->chan->center_freq;

32
net/wireless/nl80211.c
View File

@ -209,6 +209,8 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
[NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
[NL80211_ATTR_WIPHY_EDMG_CHANNELS] = { .type = NLA_U8 },
[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG] = { .type = NLA_U8 },
[NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
[NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
[NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
@ -1410,6 +1412,15 @@ static int nl80211_send_band_rateinfo(struct sk_buff *msg,
nla_nest_end(msg, nl_iftype_data);
}
/* add EDMG info */
if (sband->edmg_cap.channels &&
(nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_CHANNELS,
sband->edmg_cap.channels) ||
nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_BW_CONFIG,
sband->edmg_cap.bw_config)))
return -ENOBUFS;
/* add bitrates */
nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES);
if (!nl_rates)
@ -2348,6 +2359,18 @@ static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
info->attrs[NL80211_ATTR_CENTER_FREQ2]);
}
if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
chandef->edmg.channels =
nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
chandef->edmg.bw_config =
nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
} else {
chandef->edmg.bw_config = 0;
chandef->edmg.channels = 0;
}
if (!cfg80211_chandef_valid(chandef))
return -EINVAL;
@ -9407,6 +9430,15 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
return -EINVAL;
}
if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
connect.edmg.channels =
nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
connect.edmg.bw_config =
nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
}
if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
connkeys = nl80211_parse_connkeys(rdev, info, NULL);
if (IS_ERR(connkeys))

42
net/wireless/util.c
View File

@ -1009,7 +1009,7 @@ static u32 cfg80211_calculate_bitrate_ht(struct rate_info *rate)
return (bitrate + 50000) / 100000;
}
static u32 cfg80211_calculate_bitrate_60g(struct rate_info *rate)
static u32 cfg80211_calculate_bitrate_dmg(struct rate_info *rate)
{
static const u32 __mcs2bitrate[] = {
/* control PHY */
@ -1056,6 +1056,40 @@ static u32 cfg80211_calculate_bitrate_60g(struct rate_info *rate)
return __mcs2bitrate[rate->mcs];
}
static u32 cfg80211_calculate_bitrate_edmg(struct rate_info *rate)
{
static const u32 __mcs2bitrate[] = {
/* control PHY */
[0] = 275,
/* SC PHY */
[1] = 3850,
[2] = 7700,
[3] = 9625,
[4] = 11550,
[5] = 12512, /* 1251.25 mbps */
[6] = 13475,
[7] = 15400,
[8] = 19250,
[9] = 23100,
[10] = 25025,
[11] = 26950,
[12] = 30800,
[13] = 38500,
[14] = 46200,
[15] = 50050,
[16] = 53900,
[17] = 57750,
[18] = 69300,
[19] = 75075,
[20] = 80850,
};
if (WARN_ON_ONCE(rate->mcs >= ARRAY_SIZE(__mcs2bitrate)))
return 0;
return __mcs2bitrate[rate->mcs] * rate->n_bonded_ch;
}
static u32 cfg80211_calculate_bitrate_vht(struct rate_info *rate)
{
static const u32 base[4][10] = {
@ -1226,8 +1260,10 @@ u32 cfg80211_calculate_bitrate(struct rate_info *rate)
{
if (rate->flags & RATE_INFO_FLAGS_MCS)
return cfg80211_calculate_bitrate_ht(rate);
if (rate->flags & RATE_INFO_FLAGS_60G)
return cfg80211_calculate_bitrate_60g(rate);
if (rate->flags & RATE_INFO_FLAGS_DMG)
return cfg80211_calculate_bitrate_dmg(rate);
if (rate->flags & RATE_INFO_FLAGS_EDMG)
return cfg80211_calculate_bitrate_edmg(rate);
if (rate->flags & RATE_INFO_FLAGS_VHT_MCS)
return cfg80211_calculate_bitrate_vht(rate);
if (rate->flags & RATE_INFO_FLAGS_HE_MCS)