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linuxdebug/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c

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// SPDX-License-Identifier: ISC
/* Copyright (C) 2020 MediaTek Inc. */
#include <linux/firmware.h>
#include "mt76_connac2_mac.h"
#include "mt76_connac_mcu.h"
int mt76_connac_mcu_start_firmware(struct mt76_dev *dev, u32 addr, u32 option)
{
struct {
__le32 option;
__le32 addr;
} req = {
.option = cpu_to_le32(option),
.addr = cpu_to_le32(addr),
};
return mt76_mcu_send_msg(dev, MCU_CMD(FW_START_REQ), &req,
sizeof(req), true);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_start_firmware);
int mt76_connac_mcu_patch_sem_ctrl(struct mt76_dev *dev, bool get)
{
u32 op = get ? PATCH_SEM_GET : PATCH_SEM_RELEASE;
struct {
__le32 op;
} req = {
.op = cpu_to_le32(op),
};
return mt76_mcu_send_msg(dev, MCU_CMD(PATCH_SEM_CONTROL),
&req, sizeof(req), true);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_patch_sem_ctrl);
int mt76_connac_mcu_start_patch(struct mt76_dev *dev)
{
struct {
u8 check_crc;
u8 reserved[3];
} req = {
.check_crc = 0,
};
return mt76_mcu_send_msg(dev, MCU_CMD(PATCH_FINISH_REQ),
&req, sizeof(req), true);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_start_patch);
#define MCU_PATCH_ADDRESS 0x200000
int mt76_connac_mcu_init_download(struct mt76_dev *dev, u32 addr, u32 len,
u32 mode)
{
struct {
__le32 addr;
__le32 len;
__le32 mode;
} req = {
.addr = cpu_to_le32(addr),
.len = cpu_to_le32(len),
.mode = cpu_to_le32(mode),
};
int cmd;
if ((!is_connac_v1(dev) && addr == MCU_PATCH_ADDRESS) ||
(is_mt7921(dev) && addr == 0x900000))
cmd = MCU_CMD(PATCH_START_REQ);
else
cmd = MCU_CMD(TARGET_ADDRESS_LEN_REQ);
return mt76_mcu_send_msg(dev, cmd, &req, sizeof(req), true);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_init_download);
int mt76_connac_mcu_set_channel_domain(struct mt76_phy *phy)
{
int len, i, n_max_channels, n_2ch = 0, n_5ch = 0, n_6ch = 0;
struct mt76_connac_mcu_channel_domain {
u8 alpha2[4]; /* regulatory_request.alpha2 */
u8 bw_2g; /* BW_20_40M 0
* BW_20M 1
* BW_20_40_80M 2
* BW_20_40_80_160M 3
* BW_20_40_80_8080M 4
*/
u8 bw_5g;
u8 bw_6g;
u8 pad;
u8 n_2ch;
u8 n_5ch;
u8 n_6ch;
u8 pad2;
} __packed hdr = {
.bw_2g = 0,
.bw_5g = 3, /* BW_20_40_80_160M */
.bw_6g = 3,
};
struct mt76_connac_mcu_chan {
__le16 hw_value;
__le16 pad;
__le32 flags;
} __packed channel;
struct mt76_dev *dev = phy->dev;
struct ieee80211_channel *chan;
struct sk_buff *skb;
n_max_channels = phy->sband_2g.sband.n_channels +
phy->sband_5g.sband.n_channels +
phy->sband_6g.sband.n_channels;
len = sizeof(hdr) + n_max_channels * sizeof(channel);
skb = mt76_mcu_msg_alloc(dev, NULL, len);
if (!skb)
return -ENOMEM;
skb_reserve(skb, sizeof(hdr));
for (i = 0; i < phy->sband_2g.sband.n_channels; i++) {
chan = &phy->sband_2g.sband.channels[i];
if (chan->flags & IEEE80211_CHAN_DISABLED)
continue;
channel.hw_value = cpu_to_le16(chan->hw_value);
channel.flags = cpu_to_le32(chan->flags);
channel.pad = 0;
skb_put_data(skb, &channel, sizeof(channel));
n_2ch++;
}
for (i = 0; i < phy->sband_5g.sband.n_channels; i++) {
chan = &phy->sband_5g.sband.channels[i];
if (chan->flags & IEEE80211_CHAN_DISABLED)
continue;
channel.hw_value = cpu_to_le16(chan->hw_value);
channel.flags = cpu_to_le32(chan->flags);
channel.pad = 0;
skb_put_data(skb, &channel, sizeof(channel));
n_5ch++;
}
for (i = 0; i < phy->sband_6g.sband.n_channels; i++) {
chan = &phy->sband_6g.sband.channels[i];
if (chan->flags & IEEE80211_CHAN_DISABLED)
continue;
channel.hw_value = cpu_to_le16(chan->hw_value);
channel.flags = cpu_to_le32(chan->flags);
channel.pad = 0;
skb_put_data(skb, &channel, sizeof(channel));
n_6ch++;
}
BUILD_BUG_ON(sizeof(dev->alpha2) > sizeof(hdr.alpha2));
memcpy(hdr.alpha2, dev->alpha2, sizeof(dev->alpha2));
hdr.n_2ch = n_2ch;
hdr.n_5ch = n_5ch;
hdr.n_6ch = n_6ch;
memcpy(__skb_push(skb, sizeof(hdr)), &hdr, sizeof(hdr));
return mt76_mcu_skb_send_msg(dev, skb, MCU_CE_CMD(SET_CHAN_DOMAIN),
false);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_channel_domain);
int mt76_connac_mcu_set_mac_enable(struct mt76_dev *dev, int band, bool enable,
bool hdr_trans)
{
struct {
u8 enable;
u8 band;
u8 rsv[2];
} __packed req_mac = {
.enable = enable,
.band = band,
};
return mt76_mcu_send_msg(dev, MCU_EXT_CMD(MAC_INIT_CTRL), &req_mac,
sizeof(req_mac), true);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_mac_enable);
int mt76_connac_mcu_set_vif_ps(struct mt76_dev *dev, struct ieee80211_vif *vif)
{
struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
struct {
u8 bss_idx;
u8 ps_state; /* 0: device awake
* 1: static power save
* 2: dynamic power saving
*/
} req = {
.bss_idx = mvif->idx,
.ps_state = vif->cfg.ps ? 2 : 0,
};
if (vif->type != NL80211_IFTYPE_STATION)
return -EOPNOTSUPP;
return mt76_mcu_send_msg(dev, MCU_CE_CMD(SET_PS_PROFILE),
&req, sizeof(req), false);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_vif_ps);
int mt76_connac_mcu_set_rts_thresh(struct mt76_dev *dev, u32 val, u8 band)
{
struct {
u8 prot_idx;
u8 band;
u8 rsv[2];
__le32 len_thresh;
__le32 pkt_thresh;
} __packed req = {
.prot_idx = 1,
.band = band,
.len_thresh = cpu_to_le32(val),
.pkt_thresh = cpu_to_le32(0x2),
};
return mt76_mcu_send_msg(dev, MCU_EXT_CMD(PROTECT_CTRL), &req,
sizeof(req), true);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_rts_thresh);
void mt76_connac_mcu_beacon_loss_iter(void *priv, u8 *mac,
struct ieee80211_vif *vif)
{
struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
struct mt76_connac_beacon_loss_event *event = priv;
if (mvif->idx != event->bss_idx)
return;
if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER))
return;
ieee80211_beacon_loss(vif);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_beacon_loss_iter);
struct tlv *
mt76_connac_mcu_add_nested_tlv(struct sk_buff *skb, int tag, int len,
void *sta_ntlv, void *sta_wtbl)
{
struct sta_ntlv_hdr *ntlv_hdr = sta_ntlv;
struct tlv *sta_hdr = sta_wtbl;
struct tlv *ptlv, tlv = {
.tag = cpu_to_le16(tag),
.len = cpu_to_le16(len),
};
u16 ntlv;
ptlv = skb_put(skb, len);
memcpy(ptlv, &tlv, sizeof(tlv));
ntlv = le16_to_cpu(ntlv_hdr->tlv_num);
ntlv_hdr->tlv_num = cpu_to_le16(ntlv + 1);
if (sta_hdr) {
len += le16_to_cpu(sta_hdr->len);
sta_hdr->len = cpu_to_le16(len);
}
return ptlv;
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_add_nested_tlv);
struct sk_buff *
__mt76_connac_mcu_alloc_sta_req(struct mt76_dev *dev, struct mt76_vif *mvif,
struct mt76_wcid *wcid, int len)
{
struct sta_req_hdr hdr = {
.bss_idx = mvif->idx,
.muar_idx = wcid ? mvif->omac_idx : 0,
.is_tlv_append = 1,
};
struct sk_buff *skb;
mt76_connac_mcu_get_wlan_idx(dev, wcid, &hdr.wlan_idx_lo,
&hdr.wlan_idx_hi);
skb = mt76_mcu_msg_alloc(dev, NULL, len);
if (!skb)
return ERR_PTR(-ENOMEM);
skb_put_data(skb, &hdr, sizeof(hdr));
return skb;
}
EXPORT_SYMBOL_GPL(__mt76_connac_mcu_alloc_sta_req);
struct wtbl_req_hdr *
mt76_connac_mcu_alloc_wtbl_req(struct mt76_dev *dev, struct mt76_wcid *wcid,
int cmd, void *sta_wtbl, struct sk_buff **skb)
{
struct tlv *sta_hdr = sta_wtbl;
struct wtbl_req_hdr hdr = {
.operation = cmd,
};
struct sk_buff *nskb = *skb;
mt76_connac_mcu_get_wlan_idx(dev, wcid, &hdr.wlan_idx_lo,
&hdr.wlan_idx_hi);
if (!nskb) {
nskb = mt76_mcu_msg_alloc(dev, NULL,
MT76_CONNAC_WTBL_UPDATE_MAX_SIZE);
if (!nskb)
return ERR_PTR(-ENOMEM);
*skb = nskb;
}
if (sta_hdr)
le16_add_cpu(&sta_hdr->len, sizeof(hdr));
return skb_put_data(nskb, &hdr, sizeof(hdr));
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_alloc_wtbl_req);
void mt76_connac_mcu_bss_omac_tlv(struct sk_buff *skb,
struct ieee80211_vif *vif)
{
struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
u8 omac_idx = mvif->omac_idx;
struct bss_info_omac *omac;
struct tlv *tlv;
u32 type = 0;
switch (vif->type) {
case NL80211_IFTYPE_MONITOR:
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_AP:
if (vif->p2p)
type = CONNECTION_P2P_GO;
else
type = CONNECTION_INFRA_AP;
break;
case NL80211_IFTYPE_STATION:
if (vif->p2p)
type = CONNECTION_P2P_GC;
else
type = CONNECTION_INFRA_STA;
break;
case NL80211_IFTYPE_ADHOC:
type = CONNECTION_IBSS_ADHOC;
break;
default:
WARN_ON(1);
break;
}
tlv = mt76_connac_mcu_add_tlv(skb, BSS_INFO_OMAC, sizeof(*omac));
omac = (struct bss_info_omac *)tlv;
omac->conn_type = cpu_to_le32(type);
omac->omac_idx = mvif->omac_idx;
omac->band_idx = mvif->band_idx;
omac->hw_bss_idx = omac_idx > EXT_BSSID_START ? HW_BSSID_0 : omac_idx;
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_bss_omac_tlv);
void mt76_connac_mcu_sta_basic_tlv(struct sk_buff *skb,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
bool enable, bool newly)
{
struct sta_rec_basic *basic;
struct tlv *tlv;
int conn_type;
tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_BASIC, sizeof(*basic));
basic = (struct sta_rec_basic *)tlv;
basic->extra_info = cpu_to_le16(EXTRA_INFO_VER);
if (enable) {
if (newly)
basic->extra_info |= cpu_to_le16(EXTRA_INFO_NEW);
basic->conn_state = CONN_STATE_PORT_SECURE;
} else {
basic->conn_state = CONN_STATE_DISCONNECT;
}
if (!sta) {
basic->conn_type = cpu_to_le32(CONNECTION_INFRA_BC);
eth_broadcast_addr(basic->peer_addr);
return;
}
switch (vif->type) {
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_AP:
if (vif->p2p)
conn_type = CONNECTION_P2P_GC;
else
conn_type = CONNECTION_INFRA_STA;
basic->conn_type = cpu_to_le32(conn_type);
basic->aid = cpu_to_le16(sta->aid);
break;
case NL80211_IFTYPE_STATION:
if (vif->p2p)
conn_type = CONNECTION_P2P_GO;
else
conn_type = CONNECTION_INFRA_AP;
basic->conn_type = cpu_to_le32(conn_type);
basic->aid = cpu_to_le16(vif->cfg.aid);
break;
case NL80211_IFTYPE_ADHOC:
basic->conn_type = cpu_to_le32(CONNECTION_IBSS_ADHOC);
basic->aid = cpu_to_le16(sta->aid);
break;
default:
WARN_ON(1);
break;
}
memcpy(basic->peer_addr, sta->addr, ETH_ALEN);
basic->qos = sta->wme;
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_sta_basic_tlv);
void mt76_connac_mcu_sta_uapsd(struct sk_buff *skb, struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct sta_rec_uapsd *uapsd;
struct tlv *tlv;
if (vif->type != NL80211_IFTYPE_AP || !sta->wme)
return;
tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_APPS, sizeof(*uapsd));
uapsd = (struct sta_rec_uapsd *)tlv;
if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) {
uapsd->dac_map |= BIT(3);
uapsd->tac_map |= BIT(3);
}
if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI) {
uapsd->dac_map |= BIT(2);
uapsd->tac_map |= BIT(2);
}
if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE) {
uapsd->dac_map |= BIT(1);
uapsd->tac_map |= BIT(1);
}
if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK) {
uapsd->dac_map |= BIT(0);
uapsd->tac_map |= BIT(0);
}
uapsd->max_sp = sta->max_sp;
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_sta_uapsd);
void mt76_connac_mcu_wtbl_hdr_trans_tlv(struct sk_buff *skb,
struct ieee80211_vif *vif,
struct mt76_wcid *wcid,
void *sta_wtbl, void *wtbl_tlv)
{
struct wtbl_hdr_trans *htr;
struct tlv *tlv;
tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_HDR_TRANS,
sizeof(*htr),
wtbl_tlv, sta_wtbl);
htr = (struct wtbl_hdr_trans *)tlv;
htr->no_rx_trans = true;
if (vif->type == NL80211_IFTYPE_STATION)
htr->to_ds = true;
else
htr->from_ds = true;
if (!wcid)
return;
htr->no_rx_trans = !test_bit(MT_WCID_FLAG_HDR_TRANS, &wcid->flags);
if (test_bit(MT_WCID_FLAG_4ADDR, &wcid->flags)) {
htr->to_ds = true;
htr->from_ds = true;
}
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_wtbl_hdr_trans_tlv);
int mt76_connac_mcu_sta_update_hdr_trans(struct mt76_dev *dev,
struct ieee80211_vif *vif,
struct mt76_wcid *wcid, int cmd)
{
struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
struct wtbl_req_hdr *wtbl_hdr;
struct tlv *sta_wtbl;
struct sk_buff *skb;
skb = mt76_connac_mcu_alloc_sta_req(dev, mvif, wcid);
if (IS_ERR(skb))
return PTR_ERR(skb);
sta_wtbl = mt76_connac_mcu_add_tlv(skb, STA_REC_WTBL,
sizeof(struct tlv));
wtbl_hdr = mt76_connac_mcu_alloc_wtbl_req(dev, wcid, WTBL_SET,
sta_wtbl, &skb);
if (IS_ERR(wtbl_hdr))
return PTR_ERR(wtbl_hdr);
mt76_connac_mcu_wtbl_hdr_trans_tlv(skb, vif, wcid, sta_wtbl, wtbl_hdr);
return mt76_mcu_skb_send_msg(dev, skb, cmd, true);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_sta_update_hdr_trans);
int mt76_connac_mcu_wtbl_update_hdr_trans(struct mt76_dev *dev,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct mt76_wcid *wcid = (struct mt76_wcid *)sta->drv_priv;
struct wtbl_req_hdr *wtbl_hdr;
struct sk_buff *skb = NULL;
wtbl_hdr = mt76_connac_mcu_alloc_wtbl_req(dev, wcid, WTBL_SET, NULL,
&skb);
if (IS_ERR(wtbl_hdr))
return PTR_ERR(wtbl_hdr);
mt76_connac_mcu_wtbl_hdr_trans_tlv(skb, vif, wcid, NULL, wtbl_hdr);
return mt76_mcu_skb_send_msg(dev, skb, MCU_EXT_CMD(WTBL_UPDATE), true);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_wtbl_update_hdr_trans);
void mt76_connac_mcu_wtbl_generic_tlv(struct mt76_dev *dev,
struct sk_buff *skb,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
void *sta_wtbl, void *wtbl_tlv)
{
struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
struct wtbl_generic *generic;
struct wtbl_rx *rx;
struct wtbl_spe *spe;
struct tlv *tlv;
tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_GENERIC,
sizeof(*generic),
wtbl_tlv, sta_wtbl);
generic = (struct wtbl_generic *)tlv;
if (sta) {
if (vif->type == NL80211_IFTYPE_STATION)
generic->partial_aid = cpu_to_le16(vif->cfg.aid);
else
generic->partial_aid = cpu_to_le16(sta->aid);
memcpy(generic->peer_addr, sta->addr, ETH_ALEN);
generic->muar_idx = mvif->omac_idx;
generic->qos = sta->wme;
} else {
if (!is_connac_v1(dev) && vif->type == NL80211_IFTYPE_STATION)
memcpy(generic->peer_addr, vif->bss_conf.bssid,
ETH_ALEN);
else
eth_broadcast_addr(generic->peer_addr);
generic->muar_idx = 0xe;
}
tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_RX, sizeof(*rx),
wtbl_tlv, sta_wtbl);
rx = (struct wtbl_rx *)tlv;
rx->rca1 = sta ? vif->type != NL80211_IFTYPE_AP : 1;
rx->rca2 = 1;
rx->rv = 1;
if (!is_connac_v1(dev))
return;
tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_SPE, sizeof(*spe),
wtbl_tlv, sta_wtbl);
spe = (struct wtbl_spe *)tlv;
spe->spe_idx = 24;
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_wtbl_generic_tlv);
static void
mt76_connac_mcu_sta_amsdu_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
struct ieee80211_vif *vif)
{
struct mt76_wcid *wcid = (struct mt76_wcid *)sta->drv_priv;
struct sta_rec_amsdu *amsdu;
struct tlv *tlv;
if (vif->type != NL80211_IFTYPE_AP &&
vif->type != NL80211_IFTYPE_STATION)
return;
if (!sta->deflink.agg.max_amsdu_len)
return;
tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HW_AMSDU, sizeof(*amsdu));
amsdu = (struct sta_rec_amsdu *)tlv;
amsdu->max_amsdu_num = 8;
amsdu->amsdu_en = true;
amsdu->max_mpdu_size = sta->deflink.agg.max_amsdu_len >=
IEEE80211_MAX_MPDU_LEN_VHT_7991;
wcid->amsdu = true;
}
#define HE_PHY(p, c) u8_get_bits(c, IEEE80211_HE_PHY_##p)
#define HE_MAC(m, c) u8_get_bits(c, IEEE80211_HE_MAC_##m)
static void
mt76_connac_mcu_sta_he_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
{
struct ieee80211_sta_he_cap *he_cap = &sta->deflink.he_cap;
struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem;
struct sta_rec_he *he;
struct tlv *tlv;
u32 cap = 0;
tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HE, sizeof(*he));
he = (struct sta_rec_he *)tlv;
if (elem->mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_HTC_HE)
cap |= STA_REC_HE_CAP_HTC;
if (elem->mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR)
cap |= STA_REC_HE_CAP_BSR;
if (elem->mac_cap_info[3] & IEEE80211_HE_MAC_CAP3_OMI_CONTROL)
cap |= STA_REC_HE_CAP_OM;
if (elem->mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU)
cap |= STA_REC_HE_CAP_AMSDU_IN_AMPDU;
if (elem->mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR)
cap |= STA_REC_HE_CAP_BQR;
if (elem->phy_cap_info[0] &
(IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G |
IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G))
cap |= STA_REC_HE_CAP_BW20_RU242_SUPPORT;
if (elem->phy_cap_info[1] &
IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD)
cap |= STA_REC_HE_CAP_LDPC;
if (elem->phy_cap_info[1] &
IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US)
cap |= STA_REC_HE_CAP_SU_PPDU_1LTF_8US_GI;
if (elem->phy_cap_info[2] &
IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US)
cap |= STA_REC_HE_CAP_NDP_4LTF_3DOT2MS_GI;
if (elem->phy_cap_info[2] &
IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ)
cap |= STA_REC_HE_CAP_LE_EQ_80M_TX_STBC;
if (elem->phy_cap_info[2] &
IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ)
cap |= STA_REC_HE_CAP_LE_EQ_80M_RX_STBC;
if (elem->phy_cap_info[6] &
IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE)
cap |= STA_REC_HE_CAP_PARTIAL_BW_EXT_RANGE;
if (elem->phy_cap_info[7] &
IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI)
cap |= STA_REC_HE_CAP_SU_MU_PPDU_4LTF_8US_GI;
if (elem->phy_cap_info[7] &
IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ)
cap |= STA_REC_HE_CAP_GT_80M_TX_STBC;
if (elem->phy_cap_info[7] &
IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ)
cap |= STA_REC_HE_CAP_GT_80M_RX_STBC;
if (elem->phy_cap_info[8] &
IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI)
cap |= STA_REC_HE_CAP_ER_SU_PPDU_4LTF_8US_GI;
if (elem->phy_cap_info[8] &
IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI)
cap |= STA_REC_HE_CAP_ER_SU_PPDU_1LTF_8US_GI;
if (elem->phy_cap_info[9] &
IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK)
cap |= STA_REC_HE_CAP_TRIG_CQI_FK;
if (elem->phy_cap_info[9] &
IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU)
cap |= STA_REC_HE_CAP_TX_1024QAM_UNDER_RU242;
if (elem->phy_cap_info[9] &
IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU)
cap |= STA_REC_HE_CAP_RX_1024QAM_UNDER_RU242;
he->he_cap = cpu_to_le32(cap);
switch (sta->deflink.bandwidth) {
case IEEE80211_STA_RX_BW_160:
if (elem->phy_cap_info[0] &
IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
he->max_nss_mcs[CMD_HE_MCS_BW8080] =
he_cap->he_mcs_nss_supp.rx_mcs_80p80;
he->max_nss_mcs[CMD_HE_MCS_BW160] =
he_cap->he_mcs_nss_supp.rx_mcs_160;
fallthrough;
default:
he->max_nss_mcs[CMD_HE_MCS_BW80] =
he_cap->he_mcs_nss_supp.rx_mcs_80;
break;
}
he->t_frame_dur =
HE_MAC(CAP1_TF_MAC_PAD_DUR_MASK, elem->mac_cap_info[1]);
he->max_ampdu_exp =
HE_MAC(CAP3_MAX_AMPDU_LEN_EXP_MASK, elem->mac_cap_info[3]);
he->bw_set =
HE_PHY(CAP0_CHANNEL_WIDTH_SET_MASK, elem->phy_cap_info[0]);
he->device_class =
HE_PHY(CAP1_DEVICE_CLASS_A, elem->phy_cap_info[1]);
he->punc_pream_rx =
HE_PHY(CAP1_PREAMBLE_PUNC_RX_MASK, elem->phy_cap_info[1]);
he->dcm_tx_mode =
HE_PHY(CAP3_DCM_MAX_CONST_TX_MASK, elem->phy_cap_info[3]);
he->dcm_tx_max_nss =
HE_PHY(CAP3_DCM_MAX_TX_NSS_2, elem->phy_cap_info[3]);
he->dcm_rx_mode =
HE_PHY(CAP3_DCM_MAX_CONST_RX_MASK, elem->phy_cap_info[3]);
he->dcm_rx_max_nss =
HE_PHY(CAP3_DCM_MAX_RX_NSS_2, elem->phy_cap_info[3]);
he->dcm_rx_max_nss =
HE_PHY(CAP8_DCM_MAX_RU_MASK, elem->phy_cap_info[8]);
he->pkt_ext = 2;
}
static u8
mt76_connac_get_phy_mode_v2(struct mt76_phy *mphy, struct ieee80211_vif *vif,
enum nl80211_band band, struct ieee80211_sta *sta)
{
struct ieee80211_sta_ht_cap *ht_cap;
struct ieee80211_sta_vht_cap *vht_cap;
const struct ieee80211_sta_he_cap *he_cap;
u8 mode = 0;
if (sta) {
ht_cap = &sta->deflink.ht_cap;
vht_cap = &sta->deflink.vht_cap;
he_cap = &sta->deflink.he_cap;
} else {
struct ieee80211_supported_band *sband;
sband = mphy->hw->wiphy->bands[band];
ht_cap = &sband->ht_cap;
vht_cap = &sband->vht_cap;
he_cap = ieee80211_get_he_iftype_cap(sband, vif->type);
}
if (band == NL80211_BAND_2GHZ) {
mode |= PHY_TYPE_BIT_HR_DSSS | PHY_TYPE_BIT_ERP;
if (ht_cap->ht_supported)
mode |= PHY_TYPE_BIT_HT;
if (he_cap && he_cap->has_he)
mode |= PHY_TYPE_BIT_HE;
} else if (band == NL80211_BAND_5GHZ || band == NL80211_BAND_6GHZ) {
mode |= PHY_TYPE_BIT_OFDM;
if (ht_cap->ht_supported)
mode |= PHY_TYPE_BIT_HT;
if (vht_cap->vht_supported)
mode |= PHY_TYPE_BIT_VHT;
if (he_cap && he_cap->has_he)
mode |= PHY_TYPE_BIT_HE;
}
return mode;
}
void mt76_connac_mcu_sta_tlv(struct mt76_phy *mphy, struct sk_buff *skb,
struct ieee80211_sta *sta,
struct ieee80211_vif *vif,
u8 rcpi, u8 sta_state)
{
struct cfg80211_chan_def *chandef = &mphy->chandef;
enum nl80211_band band = chandef->chan->band;
struct mt76_dev *dev = mphy->dev;
struct sta_rec_ra_info *ra_info;
struct sta_rec_state *state;
struct sta_rec_phy *phy;
struct tlv *tlv;
u16 supp_rates;
/* starec ht */
if (sta->deflink.ht_cap.ht_supported) {
struct sta_rec_ht *ht;
tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HT, sizeof(*ht));
ht = (struct sta_rec_ht *)tlv;
ht->ht_cap = cpu_to_le16(sta->deflink.ht_cap.cap);
}
/* starec vht */
if (sta->deflink.vht_cap.vht_supported) {
struct sta_rec_vht *vht;
int len;
len = is_mt7921(dev) ? sizeof(*vht) : sizeof(*vht) - 4;
tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_VHT, len);
vht = (struct sta_rec_vht *)tlv;
vht->vht_cap = cpu_to_le32(sta->deflink.vht_cap.cap);
vht->vht_rx_mcs_map = sta->deflink.vht_cap.vht_mcs.rx_mcs_map;
vht->vht_tx_mcs_map = sta->deflink.vht_cap.vht_mcs.tx_mcs_map;
}
/* starec uapsd */
mt76_connac_mcu_sta_uapsd(skb, vif, sta);
if (!is_mt7921(dev))
return;
if (sta->deflink.ht_cap.ht_supported || sta->deflink.he_cap.has_he)
mt76_connac_mcu_sta_amsdu_tlv(skb, sta, vif);
/* starec he */
if (sta->deflink.he_cap.has_he) {
mt76_connac_mcu_sta_he_tlv(skb, sta);
if (band == NL80211_BAND_6GHZ &&
sta_state == MT76_STA_INFO_STATE_ASSOC) {
struct sta_rec_he_6g_capa *he_6g_capa;
tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HE_6G,
sizeof(*he_6g_capa));
he_6g_capa = (struct sta_rec_he_6g_capa *)tlv;
he_6g_capa->capa = sta->deflink.he_6ghz_capa.capa;
}
}
tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_PHY, sizeof(*phy));
phy = (struct sta_rec_phy *)tlv;
phy->phy_type = mt76_connac_get_phy_mode_v2(mphy, vif, band, sta);
phy->basic_rate = cpu_to_le16((u16)vif->bss_conf.basic_rates);
phy->rcpi = rcpi;
phy->ampdu = FIELD_PREP(IEEE80211_HT_AMPDU_PARM_FACTOR,
sta->deflink.ht_cap.ampdu_factor) |
FIELD_PREP(IEEE80211_HT_AMPDU_PARM_DENSITY,
sta->deflink.ht_cap.ampdu_density);
tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_RA, sizeof(*ra_info));
ra_info = (struct sta_rec_ra_info *)tlv;
supp_rates = sta->deflink.supp_rates[band];
if (band == NL80211_BAND_2GHZ)
supp_rates = FIELD_PREP(RA_LEGACY_OFDM, supp_rates >> 4) |
FIELD_PREP(RA_LEGACY_CCK, supp_rates & 0xf);
else
supp_rates = FIELD_PREP(RA_LEGACY_OFDM, supp_rates);
ra_info->legacy = cpu_to_le16(supp_rates);
if (sta->deflink.ht_cap.ht_supported)
memcpy(ra_info->rx_mcs_bitmask,
sta->deflink.ht_cap.mcs.rx_mask,
HT_MCS_MASK_NUM);
tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_STATE, sizeof(*state));
state = (struct sta_rec_state *)tlv;
state->state = sta_state;
if (sta->deflink.vht_cap.vht_supported) {
state->vht_opmode = sta->deflink.bandwidth;
state->vht_opmode |= (sta->deflink.rx_nss - 1) <<
IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT;
}
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_sta_tlv);
void mt76_connac_mcu_wtbl_smps_tlv(struct sk_buff *skb,
struct ieee80211_sta *sta,
void *sta_wtbl, void *wtbl_tlv)
{
struct wtbl_smps *smps;
struct tlv *tlv;
tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_SMPS, sizeof(*smps),
wtbl_tlv, sta_wtbl);
smps = (struct wtbl_smps *)tlv;
smps->smps = (sta->deflink.smps_mode == IEEE80211_SMPS_DYNAMIC);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_wtbl_smps_tlv);
void mt76_connac_mcu_wtbl_ht_tlv(struct mt76_dev *dev, struct sk_buff *skb,
struct ieee80211_sta *sta, void *sta_wtbl,
void *wtbl_tlv, bool ht_ldpc, bool vht_ldpc)
{
struct wtbl_ht *ht = NULL;
struct tlv *tlv;
u32 flags = 0;
if (sta->deflink.ht_cap.ht_supported || sta->deflink.he_6ghz_capa.capa) {
tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_HT, sizeof(*ht),
wtbl_tlv, sta_wtbl);
ht = (struct wtbl_ht *)tlv;
ht->ldpc = ht_ldpc &&
!!(sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING);
if (sta->deflink.ht_cap.ht_supported) {
ht->af = sta->deflink.ht_cap.ampdu_factor;
ht->mm = sta->deflink.ht_cap.ampdu_density;
} else {
ht->af = le16_get_bits(sta->deflink.he_6ghz_capa.capa,
IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP);
ht->mm = le16_get_bits(sta->deflink.he_6ghz_capa.capa,
IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START);
}
ht->ht = true;
}
if (sta->deflink.vht_cap.vht_supported || sta->deflink.he_6ghz_capa.capa) {
struct wtbl_vht *vht;
u8 af;
tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_VHT,
sizeof(*vht), wtbl_tlv,
sta_wtbl);
vht = (struct wtbl_vht *)tlv;
vht->ldpc = vht_ldpc &&
!!(sta->deflink.vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC);
vht->vht = true;
af = FIELD_GET(IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK,
sta->deflink.vht_cap.cap);
if (ht)
ht->af = max(ht->af, af);
}
mt76_connac_mcu_wtbl_smps_tlv(skb, sta, sta_wtbl, wtbl_tlv);
if (is_connac_v1(dev) && sta->deflink.ht_cap.ht_supported) {
/* sgi */
u32 msk = MT_WTBL_W5_SHORT_GI_20 | MT_WTBL_W5_SHORT_GI_40 |
MT_WTBL_W5_SHORT_GI_80 | MT_WTBL_W5_SHORT_GI_160;
struct wtbl_raw *raw;
tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_RAW_DATA,
sizeof(*raw), wtbl_tlv,
sta_wtbl);
if (sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_20)
flags |= MT_WTBL_W5_SHORT_GI_20;
if (sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_40)
flags |= MT_WTBL_W5_SHORT_GI_40;
if (sta->deflink.vht_cap.vht_supported) {
if (sta->deflink.vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80)
flags |= MT_WTBL_W5_SHORT_GI_80;
if (sta->deflink.vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_160)
flags |= MT_WTBL_W5_SHORT_GI_160;
}
raw = (struct wtbl_raw *)tlv;
raw->val = cpu_to_le32(flags);
raw->msk = cpu_to_le32(~msk);
raw->wtbl_idx = 1;
raw->dw = 5;
}
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_wtbl_ht_tlv);
int mt76_connac_mcu_sta_cmd(struct mt76_phy *phy,
struct mt76_sta_cmd_info *info)
{
struct mt76_vif *mvif = (struct mt76_vif *)info->vif->drv_priv;
struct mt76_dev *dev = phy->dev;
struct wtbl_req_hdr *wtbl_hdr;
struct tlv *sta_wtbl;
struct sk_buff *skb;
skb = mt76_connac_mcu_alloc_sta_req(dev, mvif, info->wcid);
if (IS_ERR(skb))
return PTR_ERR(skb);
if (info->sta || !info->offload_fw)
mt76_connac_mcu_sta_basic_tlv(skb, info->vif, info->sta,
info->enable, info->newly);
if (info->sta && info->enable)
mt76_connac_mcu_sta_tlv(phy, skb, info->sta,
info->vif, info->rcpi,
info->state);
sta_wtbl = mt76_connac_mcu_add_tlv(skb, STA_REC_WTBL,
sizeof(struct tlv));
wtbl_hdr = mt76_connac_mcu_alloc_wtbl_req(dev, info->wcid,
WTBL_RESET_AND_SET,
sta_wtbl, &skb);
if (IS_ERR(wtbl_hdr))
return PTR_ERR(wtbl_hdr);
if (info->enable) {
mt76_connac_mcu_wtbl_generic_tlv(dev, skb, info->vif,
info->sta, sta_wtbl,
wtbl_hdr);
mt76_connac_mcu_wtbl_hdr_trans_tlv(skb, info->vif, info->wcid,
sta_wtbl, wtbl_hdr);
if (info->sta)
mt76_connac_mcu_wtbl_ht_tlv(dev, skb, info->sta,
sta_wtbl, wtbl_hdr,
true, true);
}
return mt76_mcu_skb_send_msg(dev, skb, info->cmd, true);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_sta_cmd);
void mt76_connac_mcu_wtbl_ba_tlv(struct mt76_dev *dev, struct sk_buff *skb,
struct ieee80211_ampdu_params *params,
bool enable, bool tx, void *sta_wtbl,
void *wtbl_tlv)
{
struct wtbl_ba *ba;
struct tlv *tlv;
tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_BA, sizeof(*ba),
wtbl_tlv, sta_wtbl);
ba = (struct wtbl_ba *)tlv;
ba->tid = params->tid;
if (tx) {
ba->ba_type = MT_BA_TYPE_ORIGINATOR;
ba->sn = enable ? cpu_to_le16(params->ssn) : 0;
ba->ba_winsize = enable ? cpu_to_le16(params->buf_size) : 0;
ba->ba_en = enable;
} else {
memcpy(ba->peer_addr, params->sta->addr, ETH_ALEN);
ba->ba_type = MT_BA_TYPE_RECIPIENT;
ba->rst_ba_tid = params->tid;
ba->rst_ba_sel = RST_BA_MAC_TID_MATCH;
ba->rst_ba_sb = 1;
}
if (!is_connac_v1(dev)) {
ba->ba_winsize = enable ? cpu_to_le16(params->buf_size) : 0;
return;
}
if (enable && tx) {
static const u8 ba_range[] = { 4, 8, 12, 24, 36, 48, 54, 64 };
int i;
for (i = 7; i > 0; i--) {
if (params->buf_size >= ba_range[i])
break;
}
ba->ba_winsize_idx = i;
}
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_wtbl_ba_tlv);
int mt76_connac_mcu_uni_add_dev(struct mt76_phy *phy,
struct ieee80211_vif *vif,
struct mt76_wcid *wcid,
bool enable)
{
struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
struct mt76_dev *dev = phy->dev;
struct {
struct {
u8 omac_idx;
u8 band_idx;
__le16 pad;
} __packed hdr;
struct req_tlv {
__le16 tag;
__le16 len;
u8 active;
u8 pad;
u8 omac_addr[ETH_ALEN];
} __packed tlv;
} dev_req = {
.hdr = {
.omac_idx = mvif->omac_idx,
.band_idx = mvif->band_idx,
},
.tlv = {
.tag = cpu_to_le16(DEV_INFO_ACTIVE),
.len = cpu_to_le16(sizeof(struct req_tlv)),
.active = enable,
},
};
struct {
struct {
u8 bss_idx;
u8 pad[3];
} __packed hdr;
struct mt76_connac_bss_basic_tlv basic;
} basic_req = {
.hdr = {
.bss_idx = mvif->idx,
},
.basic = {
.tag = cpu_to_le16(UNI_BSS_INFO_BASIC),
.len = cpu_to_le16(sizeof(struct mt76_connac_bss_basic_tlv)),
.omac_idx = mvif->omac_idx,
.band_idx = mvif->band_idx,
.wmm_idx = mvif->wmm_idx,
.active = enable,
.bmc_tx_wlan_idx = cpu_to_le16(wcid->idx),
.sta_idx = cpu_to_le16(wcid->idx),
.conn_state = 1,
},
};
int err, idx, cmd, len;
void *data;
switch (vif->type) {
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_MONITOR:
case NL80211_IFTYPE_AP:
basic_req.basic.conn_type = cpu_to_le32(CONNECTION_INFRA_AP);
break;
case NL80211_IFTYPE_STATION:
basic_req.basic.conn_type = cpu_to_le32(CONNECTION_INFRA_STA);
break;
case NL80211_IFTYPE_ADHOC:
basic_req.basic.conn_type = cpu_to_le32(CONNECTION_IBSS_ADHOC);
break;
default:
WARN_ON(1);
break;
}
idx = mvif->omac_idx > EXT_BSSID_START ? HW_BSSID_0 : mvif->omac_idx;
basic_req.basic.hw_bss_idx = idx;
memcpy(dev_req.tlv.omac_addr, vif->addr, ETH_ALEN);
cmd = enable ? MCU_UNI_CMD(DEV_INFO_UPDATE) : MCU_UNI_CMD(BSS_INFO_UPDATE);
data = enable ? (void *)&dev_req : (void *)&basic_req;
len = enable ? sizeof(dev_req) : sizeof(basic_req);
err = mt76_mcu_send_msg(dev, cmd, data, len, true);
if (err < 0)
return err;
cmd = enable ? MCU_UNI_CMD(BSS_INFO_UPDATE) : MCU_UNI_CMD(DEV_INFO_UPDATE);
data = enable ? (void *)&basic_req : (void *)&dev_req;
len = enable ? sizeof(basic_req) : sizeof(dev_req);
return mt76_mcu_send_msg(dev, cmd, data, len, true);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_uni_add_dev);
void mt76_connac_mcu_sta_ba_tlv(struct sk_buff *skb,
struct ieee80211_ampdu_params *params,
bool enable, bool tx)
{
struct sta_rec_ba *ba;
struct tlv *tlv;
tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_BA, sizeof(*ba));
ba = (struct sta_rec_ba *)tlv;
ba->ba_type = tx ? MT_BA_TYPE_ORIGINATOR : MT_BA_TYPE_RECIPIENT;
ba->winsize = cpu_to_le16(params->buf_size);
ba->ssn = cpu_to_le16(params->ssn);
ba->ba_en = enable << params->tid;
ba->amsdu = params->amsdu;
ba->tid = params->tid;
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_sta_ba_tlv);
int mt76_connac_mcu_sta_ba(struct mt76_dev *dev, struct mt76_vif *mvif,
struct ieee80211_ampdu_params *params,
int cmd, bool enable, bool tx)
{
struct mt76_wcid *wcid = (struct mt76_wcid *)params->sta->drv_priv;
struct wtbl_req_hdr *wtbl_hdr;
struct tlv *sta_wtbl;
struct sk_buff *skb;
int ret;
skb = mt76_connac_mcu_alloc_sta_req(dev, mvif, wcid);
if (IS_ERR(skb))
return PTR_ERR(skb);
sta_wtbl = mt76_connac_mcu_add_tlv(skb, STA_REC_WTBL,
sizeof(struct tlv));
wtbl_hdr = mt76_connac_mcu_alloc_wtbl_req(dev, wcid, WTBL_SET,
sta_wtbl, &skb);
if (IS_ERR(wtbl_hdr))
return PTR_ERR(wtbl_hdr);
mt76_connac_mcu_wtbl_ba_tlv(dev, skb, params, enable, tx, sta_wtbl,
wtbl_hdr);
ret = mt76_mcu_skb_send_msg(dev, skb, cmd, true);
if (ret)
return ret;
skb = mt76_connac_mcu_alloc_sta_req(dev, mvif, wcid);
if (IS_ERR(skb))
return PTR_ERR(skb);
mt76_connac_mcu_sta_ba_tlv(skb, params, enable, tx);
return mt76_mcu_skb_send_msg(dev, skb, cmd, true);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_sta_ba);
u8 mt76_connac_get_phy_mode(struct mt76_phy *phy, struct ieee80211_vif *vif,
enum nl80211_band band, struct ieee80211_sta *sta)
{
struct mt76_dev *dev = phy->dev;
const struct ieee80211_sta_he_cap *he_cap;
struct ieee80211_sta_vht_cap *vht_cap;
struct ieee80211_sta_ht_cap *ht_cap;
u8 mode = 0;
if (is_connac_v1(dev))
return 0x38;
if (sta) {
ht_cap = &sta->deflink.ht_cap;
vht_cap = &sta->deflink.vht_cap;
he_cap = &sta->deflink.he_cap;
} else {
struct ieee80211_supported_band *sband;
sband = phy->hw->wiphy->bands[band];
ht_cap = &sband->ht_cap;
vht_cap = &sband->vht_cap;
he_cap = ieee80211_get_he_iftype_cap(sband, vif->type);
}
if (band == NL80211_BAND_2GHZ) {
mode |= PHY_MODE_B | PHY_MODE_G;
if (ht_cap->ht_supported)
mode |= PHY_MODE_GN;
if (he_cap && he_cap->has_he)
mode |= PHY_MODE_AX_24G;
} else if (band == NL80211_BAND_5GHZ) {
mode |= PHY_MODE_A;
if (ht_cap->ht_supported)
mode |= PHY_MODE_AN;
if (vht_cap->vht_supported)
mode |= PHY_MODE_AC;
if (he_cap && he_cap->has_he)
mode |= PHY_MODE_AX_5G;
} else if (band == NL80211_BAND_6GHZ) {
mode |= PHY_MODE_A | PHY_MODE_AN |
PHY_MODE_AC | PHY_MODE_AX_5G;
}
return mode;
}
EXPORT_SYMBOL_GPL(mt76_connac_get_phy_mode);
const struct ieee80211_sta_he_cap *
mt76_connac_get_he_phy_cap(struct mt76_phy *phy, struct ieee80211_vif *vif)
{
enum nl80211_band band = phy->chandef.chan->band;
struct ieee80211_supported_band *sband;
sband = phy->hw->wiphy->bands[band];
return ieee80211_get_he_iftype_cap(sband, vif->type);
}
EXPORT_SYMBOL_GPL(mt76_connac_get_he_phy_cap);
#define DEFAULT_HE_PE_DURATION 4
#define DEFAULT_HE_DURATION_RTS_THRES 1023
static void
mt76_connac_mcu_uni_bss_he_tlv(struct mt76_phy *phy, struct ieee80211_vif *vif,
struct tlv *tlv)
{
const struct ieee80211_sta_he_cap *cap;
struct bss_info_uni_he *he;
cap = mt76_connac_get_he_phy_cap(phy, vif);
he = (struct bss_info_uni_he *)tlv;
he->he_pe_duration = vif->bss_conf.htc_trig_based_pkt_ext;
if (!he->he_pe_duration)
he->he_pe_duration = DEFAULT_HE_PE_DURATION;
he->he_rts_thres = cpu_to_le16(vif->bss_conf.frame_time_rts_th);
if (!he->he_rts_thres)
he->he_rts_thres = cpu_to_le16(DEFAULT_HE_DURATION_RTS_THRES);
he->max_nss_mcs[CMD_HE_MCS_BW80] = cap->he_mcs_nss_supp.tx_mcs_80;
he->max_nss_mcs[CMD_HE_MCS_BW160] = cap->he_mcs_nss_supp.tx_mcs_160;
he->max_nss_mcs[CMD_HE_MCS_BW8080] = cap->he_mcs_nss_supp.tx_mcs_80p80;
}
int mt76_connac_mcu_uni_add_bss(struct mt76_phy *phy,
struct ieee80211_vif *vif,
struct mt76_wcid *wcid,
bool enable)
{
struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
struct cfg80211_chan_def *chandef = &phy->chandef;
int freq1 = chandef->center_freq1, freq2 = chandef->center_freq2;
enum nl80211_band band = chandef->chan->band;
struct mt76_dev *mdev = phy->dev;
struct {
struct {
u8 bss_idx;
u8 pad[3];
} __packed hdr;
struct mt76_connac_bss_basic_tlv basic;
struct mt76_connac_bss_qos_tlv qos;
} basic_req = {
.hdr = {
.bss_idx = mvif->idx,
},
.basic = {
.tag = cpu_to_le16(UNI_BSS_INFO_BASIC),
.len = cpu_to_le16(sizeof(struct mt76_connac_bss_basic_tlv)),
.bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int),
.dtim_period = vif->bss_conf.dtim_period,
.omac_idx = mvif->omac_idx,
.band_idx = mvif->band_idx,
.wmm_idx = mvif->wmm_idx,
.active = true, /* keep bss deactivated */
.phymode = mt76_connac_get_phy_mode(phy, vif, band, NULL),
},
.qos = {
.tag = cpu_to_le16(UNI_BSS_INFO_QBSS),
.len = cpu_to_le16(sizeof(struct mt76_connac_bss_qos_tlv)),
.qos = vif->bss_conf.qos,
},
};
struct {
struct {
u8 bss_idx;
u8 pad[3];
} __packed hdr;
struct rlm_tlv {
__le16 tag;
__le16 len;
u8 control_channel;
u8 center_chan;
u8 center_chan2;
u8 bw;
u8 tx_streams;
u8 rx_streams;
u8 short_st;
u8 ht_op_info;
u8 sco;
u8 band;
u8 pad[2];
} __packed rlm;
} __packed rlm_req = {
.hdr = {
.bss_idx = mvif->idx,
},
.rlm = {
.tag = cpu_to_le16(UNI_BSS_INFO_RLM),
.len = cpu_to_le16(sizeof(struct rlm_tlv)),
.control_channel = chandef->chan->hw_value,
.center_chan = ieee80211_frequency_to_channel(freq1),
.center_chan2 = ieee80211_frequency_to_channel(freq2),
.tx_streams = hweight8(phy->antenna_mask),
.ht_op_info = 4, /* set HT 40M allowed */
.rx_streams = phy->chainmask,
.short_st = true,
.band = band,
},
};
int err, conn_type;
u8 idx, basic_phy;
idx = mvif->omac_idx > EXT_BSSID_START ? HW_BSSID_0 : mvif->omac_idx;
basic_req.basic.hw_bss_idx = idx;
if (band == NL80211_BAND_6GHZ)
basic_req.basic.phymode_ext = PHY_MODE_AX_6G;
basic_phy = mt76_connac_get_phy_mode_v2(phy, vif, band, NULL);
basic_req.basic.nonht_basic_phy = cpu_to_le16(basic_phy);
switch (vif->type) {
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_AP:
if (vif->p2p)
conn_type = CONNECTION_P2P_GO;
else
conn_type = CONNECTION_INFRA_AP;
basic_req.basic.conn_type = cpu_to_le32(conn_type);
/* Fully active/deactivate BSS network in AP mode only */
basic_req.basic.active = enable;
break;
case NL80211_IFTYPE_STATION:
if (vif->p2p)
conn_type = CONNECTION_P2P_GC;
else
conn_type = CONNECTION_INFRA_STA;
basic_req.basic.conn_type = cpu_to_le32(conn_type);
break;
case NL80211_IFTYPE_ADHOC:
basic_req.basic.conn_type = cpu_to_le32(CONNECTION_IBSS_ADHOC);
break;
default:
WARN_ON(1);
break;
}
memcpy(basic_req.basic.bssid, vif->bss_conf.bssid, ETH_ALEN);
basic_req.basic.bmc_tx_wlan_idx = cpu_to_le16(wcid->idx);
basic_req.basic.sta_idx = cpu_to_le16(wcid->idx);
basic_req.basic.conn_state = !enable;
err = mt76_mcu_send_msg(mdev, MCU_UNI_CMD(BSS_INFO_UPDATE), &basic_req,
sizeof(basic_req), true);
if (err < 0)
return err;
if (vif->bss_conf.he_support) {
struct {
struct {
u8 bss_idx;
u8 pad[3];
} __packed hdr;
struct bss_info_uni_he he;
struct bss_info_uni_bss_color bss_color;
} he_req = {
.hdr = {
.bss_idx = mvif->idx,
},
.he = {
.tag = cpu_to_le16(UNI_BSS_INFO_HE_BASIC),
.len = cpu_to_le16(sizeof(struct bss_info_uni_he)),
},
.bss_color = {
.tag = cpu_to_le16(UNI_BSS_INFO_BSS_COLOR),
.len = cpu_to_le16(sizeof(struct bss_info_uni_bss_color)),
.enable = 0,
.bss_color = 0,
},
};
if (enable) {
he_req.bss_color.enable =
vif->bss_conf.he_bss_color.enabled;
he_req.bss_color.bss_color =
vif->bss_conf.he_bss_color.color;
}
mt76_connac_mcu_uni_bss_he_tlv(phy, vif,
(struct tlv *)&he_req.he);
err = mt76_mcu_send_msg(mdev, MCU_UNI_CMD(BSS_INFO_UPDATE),
&he_req, sizeof(he_req), true);
if (err < 0)
return err;
}
switch (chandef->width) {
case NL80211_CHAN_WIDTH_40:
rlm_req.rlm.bw = CMD_CBW_40MHZ;
break;
case NL80211_CHAN_WIDTH_80:
rlm_req.rlm.bw = CMD_CBW_80MHZ;
break;
case NL80211_CHAN_WIDTH_80P80:
rlm_req.rlm.bw = CMD_CBW_8080MHZ;
break;
case NL80211_CHAN_WIDTH_160:
rlm_req.rlm.bw = CMD_CBW_160MHZ;
break;
case NL80211_CHAN_WIDTH_5:
rlm_req.rlm.bw = CMD_CBW_5MHZ;
break;
case NL80211_CHAN_WIDTH_10:
rlm_req.rlm.bw = CMD_CBW_10MHZ;
break;
case NL80211_CHAN_WIDTH_20_NOHT:
case NL80211_CHAN_WIDTH_20:
default:
rlm_req.rlm.bw = CMD_CBW_20MHZ;
rlm_req.rlm.ht_op_info = 0;
break;
}
if (rlm_req.rlm.control_channel < rlm_req.rlm.center_chan)
rlm_req.rlm.sco = 1; /* SCA */
else if (rlm_req.rlm.control_channel > rlm_req.rlm.center_chan)
rlm_req.rlm.sco = 3; /* SCB */
return mt76_mcu_send_msg(mdev, MCU_UNI_CMD(BSS_INFO_UPDATE), &rlm_req,
sizeof(rlm_req), true);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_uni_add_bss);
#define MT76_CONNAC_SCAN_CHANNEL_TIME 60
int mt76_connac_mcu_hw_scan(struct mt76_phy *phy, struct ieee80211_vif *vif,
struct ieee80211_scan_request *scan_req)
{
struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
struct cfg80211_scan_request *sreq = &scan_req->req;
int n_ssids = 0, err, i, duration;
int ext_channels_num = max_t(int, sreq->n_channels - 32, 0);
struct ieee80211_channel **scan_list = sreq->channels;
struct mt76_dev *mdev = phy->dev;
struct mt76_connac_mcu_scan_channel *chan;
struct mt76_connac_hw_scan_req *req;
struct sk_buff *skb;
skb = mt76_mcu_msg_alloc(mdev, NULL, sizeof(*req));
if (!skb)
return -ENOMEM;
set_bit(MT76_HW_SCANNING, &phy->state);
mvif->scan_seq_num = (mvif->scan_seq_num + 1) & 0x7f;
req = (struct mt76_connac_hw_scan_req *)skb_put(skb, sizeof(*req));
req->seq_num = mvif->scan_seq_num | mvif->band_idx << 7;
req->bss_idx = mvif->idx;
req->scan_type = sreq->n_ssids ? 1 : 0;
req->probe_req_num = sreq->n_ssids ? 2 : 0;
req->version = 1;
for (i = 0; i < sreq->n_ssids; i++) {
if (!sreq->ssids[i].ssid_len)
continue;
req->ssids[i].ssid_len = cpu_to_le32(sreq->ssids[i].ssid_len);
memcpy(req->ssids[i].ssid, sreq->ssids[i].ssid,
sreq->ssids[i].ssid_len);
n_ssids++;
}
req->ssid_type = n_ssids ? BIT(2) : BIT(0);
req->ssid_type_ext = n_ssids ? BIT(0) : 0;
req->ssids_num = n_ssids;
duration = is_mt7921(phy->dev) ? 0 : MT76_CONNAC_SCAN_CHANNEL_TIME;
/* increase channel time for passive scan */
if (!sreq->n_ssids)
duration *= 2;
req->timeout_value = cpu_to_le16(sreq->n_channels * duration);
req->channel_min_dwell_time = cpu_to_le16(duration);
req->channel_dwell_time = cpu_to_le16(duration);
if (sreq->n_channels == 0 || sreq->n_channels > 64) {
req->channel_type = 0;
req->channels_num = 0;
req->ext_channels_num = 0;
} else {
req->channel_type = 4;
req->channels_num = min_t(u8, sreq->n_channels, 32);
req->ext_channels_num = min_t(u8, ext_channels_num, 32);
}
for (i = 0; i < req->channels_num + req->ext_channels_num; i++) {
if (i >= 32)
chan = &req->ext_channels[i - 32];
else
chan = &req->channels[i];
switch (scan_list[i]->band) {
case NL80211_BAND_2GHZ:
chan->band = 1;
break;
case NL80211_BAND_6GHZ:
chan->band = 3;
break;
default:
chan->band = 2;
break;
}
chan->channel_num = scan_list[i]->hw_value;
}
if (sreq->ie_len > 0) {
memcpy(req->ies, sreq->ie, sreq->ie_len);
req->ies_len = cpu_to_le16(sreq->ie_len);
}
if (is_mt7921(phy->dev))
req->scan_func |= SCAN_FUNC_SPLIT_SCAN;
memcpy(req->bssid, sreq->bssid, ETH_ALEN);
if (sreq->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
get_random_mask_addr(req->random_mac, sreq->mac_addr,
sreq->mac_addr_mask);
req->scan_func |= SCAN_FUNC_RANDOM_MAC;
}
err = mt76_mcu_skb_send_msg(mdev, skb, MCU_CE_CMD(START_HW_SCAN),
false);
if (err < 0)
clear_bit(MT76_HW_SCANNING, &phy->state);
return err;
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_hw_scan);
int mt76_connac_mcu_cancel_hw_scan(struct mt76_phy *phy,
struct ieee80211_vif *vif)
{
struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
struct {
u8 seq_num;
u8 is_ext_channel;
u8 rsv[2];
} __packed req = {
.seq_num = mvif->scan_seq_num,
};
if (test_and_clear_bit(MT76_HW_SCANNING, &phy->state)) {
struct cfg80211_scan_info info = {
.aborted = true,
};
ieee80211_scan_completed(phy->hw, &info);
}
return mt76_mcu_send_msg(phy->dev, MCU_CE_CMD(CANCEL_HW_SCAN),
&req, sizeof(req), false);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_cancel_hw_scan);
int mt76_connac_mcu_sched_scan_req(struct mt76_phy *phy,
struct ieee80211_vif *vif,
struct cfg80211_sched_scan_request *sreq)
{
struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
struct ieee80211_channel **scan_list = sreq->channels;
struct mt76_connac_mcu_scan_channel *chan;
struct mt76_connac_sched_scan_req *req;
struct mt76_dev *mdev = phy->dev;
struct cfg80211_match_set *match;
struct cfg80211_ssid *ssid;
struct sk_buff *skb;
int i;
skb = mt76_mcu_msg_alloc(mdev, NULL, sizeof(*req) + sreq->ie_len);
if (!skb)
return -ENOMEM;
mvif->scan_seq_num = (mvif->scan_seq_num + 1) & 0x7f;
req = (struct mt76_connac_sched_scan_req *)skb_put(skb, sizeof(*req));
req->version = 1;
req->seq_num = mvif->scan_seq_num | mvif->band_idx << 7;
if (sreq->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
u8 *addr = is_mt7663(phy->dev) ? req->mt7663.random_mac
: req->mt7921.random_mac;
req->scan_func = 1;
get_random_mask_addr(addr, sreq->mac_addr,
sreq->mac_addr_mask);
}
if (is_mt7921(phy->dev)) {
req->mt7921.bss_idx = mvif->idx;
req->mt7921.delay = cpu_to_le32(sreq->delay);
}
req->ssids_num = sreq->n_ssids;
for (i = 0; i < req->ssids_num; i++) {
ssid = &sreq->ssids[i];
memcpy(req->ssids[i].ssid, ssid->ssid, ssid->ssid_len);
req->ssids[i].ssid_len = cpu_to_le32(ssid->ssid_len);
}
req->match_num = sreq->n_match_sets;
for (i = 0; i < req->match_num; i++) {
match = &sreq->match_sets[i];
memcpy(req->match[i].ssid, match->ssid.ssid,
match->ssid.ssid_len);
req->match[i].rssi_th = cpu_to_le32(match->rssi_thold);
req->match[i].ssid_len = match->ssid.ssid_len;
}
req->channel_type = sreq->n_channels ? 4 : 0;
req->channels_num = min_t(u8, sreq->n_channels, 64);
for (i = 0; i < req->channels_num; i++) {
chan = &req->channels[i];
switch (scan_list[i]->band) {
case NL80211_BAND_2GHZ:
chan->band = 1;
break;
case NL80211_BAND_6GHZ:
chan->band = 3;
break;
default:
chan->band = 2;
break;
}
chan->channel_num = scan_list[i]->hw_value;
}
req->intervals_num = sreq->n_scan_plans;
for (i = 0; i < req->intervals_num; i++)
req->intervals[i] = cpu_to_le16(sreq->scan_plans[i].interval);
if (sreq->ie_len > 0) {
req->ie_len = cpu_to_le16(sreq->ie_len);
memcpy(skb_put(skb, sreq->ie_len), sreq->ie, sreq->ie_len);
}
return mt76_mcu_skb_send_msg(mdev, skb, MCU_CE_CMD(SCHED_SCAN_REQ),
false);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_sched_scan_req);
int mt76_connac_mcu_sched_scan_enable(struct mt76_phy *phy,
struct ieee80211_vif *vif,
bool enable)
{
struct {
u8 active; /* 0: enabled 1: disabled */
u8 rsv[3];
} __packed req = {
.active = !enable,
};
if (enable)
set_bit(MT76_HW_SCHED_SCANNING, &phy->state);
else
clear_bit(MT76_HW_SCHED_SCANNING, &phy->state);
return mt76_mcu_send_msg(phy->dev, MCU_CE_CMD(SCHED_SCAN_ENABLE),
&req, sizeof(req), false);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_sched_scan_enable);
int mt76_connac_mcu_chip_config(struct mt76_dev *dev)
{
struct mt76_connac_config req = {
.resp_type = 0,
};
memcpy(req.data, "assert", 7);
return mt76_mcu_send_msg(dev, MCU_CE_CMD(CHIP_CONFIG),
&req, sizeof(req), false);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_chip_config);
int mt76_connac_mcu_set_deep_sleep(struct mt76_dev *dev, bool enable)
{
struct mt76_connac_config req = {
.resp_type = 0,
};
snprintf(req.data, sizeof(req.data), "KeepFullPwr %d", !enable);
return mt76_mcu_send_msg(dev, MCU_CE_CMD(CHIP_CONFIG),
&req, sizeof(req), false);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_deep_sleep);
int mt76_connac_sta_state_dp(struct mt76_dev *dev,
enum ieee80211_sta_state old_state,
enum ieee80211_sta_state new_state)
{
if ((old_state == IEEE80211_STA_ASSOC &&
new_state == IEEE80211_STA_AUTHORIZED) ||
(old_state == IEEE80211_STA_NONE &&
new_state == IEEE80211_STA_NOTEXIST))
mt76_connac_mcu_set_deep_sleep(dev, true);
if ((old_state == IEEE80211_STA_NOTEXIST &&
new_state == IEEE80211_STA_NONE) ||
(old_state == IEEE80211_STA_AUTHORIZED &&
new_state == IEEE80211_STA_ASSOC))
mt76_connac_mcu_set_deep_sleep(dev, false);
return 0;
}
EXPORT_SYMBOL_GPL(mt76_connac_sta_state_dp);
void mt76_connac_mcu_coredump_event(struct mt76_dev *dev, struct sk_buff *skb,
struct mt76_connac_coredump *coredump)
{
spin_lock_bh(&dev->lock);
__skb_queue_tail(&coredump->msg_list, skb);
spin_unlock_bh(&dev->lock);
coredump->last_activity = jiffies;
queue_delayed_work(dev->wq, &coredump->work,
MT76_CONNAC_COREDUMP_TIMEOUT);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_coredump_event);
static void mt76_connac_mcu_parse_tx_resource(struct mt76_dev *dev,
struct sk_buff *skb)
{
struct mt76_sdio *sdio = &dev->sdio;
struct mt76_connac_tx_resource {
__le32 version;
__le32 pse_data_quota;
__le32 pse_mcu_quota;
__le32 ple_data_quota;
__le32 ple_mcu_quota;
__le16 pse_page_size;
__le16 ple_page_size;
u8 pp_padding;
u8 pad[3];
} __packed * tx_res;
tx_res = (struct mt76_connac_tx_resource *)skb->data;
sdio->sched.pse_data_quota = le32_to_cpu(tx_res->pse_data_quota);
sdio->sched.pse_mcu_quota = le32_to_cpu(tx_res->pse_mcu_quota);
sdio->sched.ple_data_quota = le32_to_cpu(tx_res->ple_data_quota);
sdio->sched.pse_page_size = le16_to_cpu(tx_res->pse_page_size);
sdio->sched.deficit = tx_res->pp_padding;
}
static void mt76_connac_mcu_parse_phy_cap(struct mt76_dev *dev,
struct sk_buff *skb)
{
struct mt76_connac_phy_cap {
u8 ht;
u8 vht;
u8 _5g;
u8 max_bw;
u8 nss;
u8 dbdc;
u8 tx_ldpc;
u8 rx_ldpc;
u8 tx_stbc;
u8 rx_stbc;
u8 hw_path;
u8 he;
} __packed * cap;
enum {
WF0_24G,
WF0_5G
};
cap = (struct mt76_connac_phy_cap *)skb->data;
dev->phy.antenna_mask = BIT(cap->nss) - 1;
dev->phy.chainmask = dev->phy.antenna_mask;
dev->phy.cap.has_2ghz = cap->hw_path & BIT(WF0_24G);
dev->phy.cap.has_5ghz = cap->hw_path & BIT(WF0_5G);
}
int mt76_connac_mcu_get_nic_capability(struct mt76_phy *phy)
{
struct mt76_connac_cap_hdr {
__le16 n_element;
u8 rsv[2];
} __packed * hdr;
struct sk_buff *skb;
int ret, i;
ret = mt76_mcu_send_and_get_msg(phy->dev, MCU_CE_CMD(GET_NIC_CAPAB),
NULL, 0, true, &skb);
if (ret)
return ret;
hdr = (struct mt76_connac_cap_hdr *)skb->data;
if (skb->len < sizeof(*hdr)) {
ret = -EINVAL;
goto out;
}
skb_pull(skb, sizeof(*hdr));
for (i = 0; i < le16_to_cpu(hdr->n_element); i++) {
struct tlv_hdr {
__le32 type;
__le32 len;
} __packed * tlv = (struct tlv_hdr *)skb->data;
int len;
if (skb->len < sizeof(*tlv))
break;
skb_pull(skb, sizeof(*tlv));
len = le32_to_cpu(tlv->len);
if (skb->len < len)
break;
switch (le32_to_cpu(tlv->type)) {
case MT_NIC_CAP_6G:
phy->cap.has_6ghz = skb->data[0];
break;
case MT_NIC_CAP_MAC_ADDR:
memcpy(phy->macaddr, (void *)skb->data, ETH_ALEN);
break;
case MT_NIC_CAP_PHY:
mt76_connac_mcu_parse_phy_cap(phy->dev, skb);
break;
case MT_NIC_CAP_TX_RESOURCE:
if (mt76_is_sdio(phy->dev))
mt76_connac_mcu_parse_tx_resource(phy->dev,
skb);
break;
default:
break;
}
skb_pull(skb, len);
}
out:
dev_kfree_skb(skb);
return ret;
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_get_nic_capability);
static void
mt76_connac_mcu_build_sku(struct mt76_dev *dev, s8 *sku,
struct mt76_power_limits *limits,
enum nl80211_band band)
{
int max_power = is_mt7921(dev) ? 127 : 63;
int i, offset = sizeof(limits->cck);
memset(sku, max_power, MT_SKU_POWER_LIMIT);
if (band == NL80211_BAND_2GHZ) {
/* cck */
memcpy(sku, limits->cck, sizeof(limits->cck));
}
/* ofdm */
memcpy(&sku[offset], limits->ofdm, sizeof(limits->ofdm));
offset += sizeof(limits->ofdm);
/* ht */
for (i = 0; i < 2; i++) {
memcpy(&sku[offset], limits->mcs[i], 8);
offset += 8;
}
sku[offset++] = limits->mcs[0][0];
/* vht */
for (i = 0; i < ARRAY_SIZE(limits->mcs); i++) {
memcpy(&sku[offset], limits->mcs[i],
ARRAY_SIZE(limits->mcs[i]));
offset += 12;
}
if (!is_mt7921(dev))
return;
/* he */
for (i = 0; i < ARRAY_SIZE(limits->ru); i++) {
memcpy(&sku[offset], limits->ru[i], ARRAY_SIZE(limits->ru[i]));
offset += ARRAY_SIZE(limits->ru[i]);
}
}
static s8 mt76_connac_get_ch_power(struct mt76_phy *phy,
struct ieee80211_channel *chan,
s8 target_power)
{
struct mt76_dev *dev = phy->dev;
struct ieee80211_supported_band *sband;
int i;
switch (chan->band) {
case NL80211_BAND_2GHZ:
sband = &phy->sband_2g.sband;
break;
case NL80211_BAND_5GHZ:
sband = &phy->sband_5g.sband;
break;
case NL80211_BAND_6GHZ:
sband = &phy->sband_6g.sband;
break;
default:
return target_power;
}
for (i = 0; i < sband->n_channels; i++) {
struct ieee80211_channel *ch = &sband->channels[i];
if (ch->hw_value == chan->hw_value) {
if (!(ch->flags & IEEE80211_CHAN_DISABLED)) {
int power = 2 * ch->max_reg_power;
if (is_mt7663(dev) && (power > 63 || power < -64))
power = 63;
target_power = min_t(s8, power, target_power);
}
break;
}
}
return target_power;
}
static int
mt76_connac_mcu_rate_txpower_band(struct mt76_phy *phy,
enum nl80211_band band)
{
struct mt76_dev *dev = phy->dev;
int sku_len, batch_len = is_mt7921(dev) ? 8 : 16;
static const u8 chan_list_2ghz[] = {
1, 2, 3, 4, 5, 6, 7,
8, 9, 10, 11, 12, 13, 14
};
static const u8 chan_list_5ghz[] = {
36, 38, 40, 42, 44, 46, 48,
50, 52, 54, 56, 58, 60, 62,
64, 100, 102, 104, 106, 108, 110,
112, 114, 116, 118, 120, 122, 124,
126, 128, 132, 134, 136, 138, 140,
142, 144, 149, 151, 153, 155, 157,
159, 161, 165
};
static const u8 chan_list_6ghz[] = {
1, 3, 5, 7, 9, 11, 13,
15, 17, 19, 21, 23, 25, 27,
29, 33, 35, 37, 39, 41, 43,
45, 47, 49, 51, 53, 55, 57,
59, 61, 65, 67, 69, 71, 73,
75, 77, 79, 81, 83, 85, 87,
89, 91, 93, 97, 99, 101, 103,
105, 107, 109, 111, 113, 115, 117,
119, 121, 123, 125, 129, 131, 133,
135, 137, 139, 141, 143, 145, 147,
149, 151, 153, 155, 157, 161, 163,
165, 167, 169, 171, 173, 175, 177,
179, 181, 183, 185, 187, 189, 193,
195, 197, 199, 201, 203, 205, 207,
209, 211, 213, 215, 217, 219, 221,
225, 227, 229, 233
};
int i, n_chan, batch_size, idx = 0, tx_power, last_ch;
struct mt76_connac_sku_tlv sku_tlbv;
struct mt76_power_limits limits;
const u8 *ch_list;
sku_len = is_mt7921(dev) ? sizeof(sku_tlbv) : sizeof(sku_tlbv) - 92;
tx_power = 2 * phy->hw->conf.power_level;
if (!tx_power)
tx_power = 127;
if (band == NL80211_BAND_2GHZ) {
n_chan = ARRAY_SIZE(chan_list_2ghz);
ch_list = chan_list_2ghz;
} else if (band == NL80211_BAND_6GHZ) {
n_chan = ARRAY_SIZE(chan_list_6ghz);
ch_list = chan_list_6ghz;
} else {
n_chan = ARRAY_SIZE(chan_list_5ghz);
ch_list = chan_list_5ghz;
}
batch_size = DIV_ROUND_UP(n_chan, batch_len);
if (phy->cap.has_6ghz)
last_ch = chan_list_6ghz[ARRAY_SIZE(chan_list_6ghz) - 1];
else if (phy->cap.has_5ghz)
last_ch = chan_list_5ghz[ARRAY_SIZE(chan_list_5ghz) - 1];
else
last_ch = chan_list_2ghz[ARRAY_SIZE(chan_list_2ghz) - 1];
for (i = 0; i < batch_size; i++) {
struct mt76_connac_tx_power_limit_tlv tx_power_tlv = {};
int j, err, msg_len, num_ch;
struct sk_buff *skb;
num_ch = i == batch_size - 1 ? n_chan % batch_len : batch_len;
msg_len = sizeof(tx_power_tlv) + num_ch * sizeof(sku_tlbv);
skb = mt76_mcu_msg_alloc(dev, NULL, msg_len);
if (!skb)
return -ENOMEM;
skb_reserve(skb, sizeof(tx_power_tlv));
BUILD_BUG_ON(sizeof(dev->alpha2) > sizeof(tx_power_tlv.alpha2));
memcpy(tx_power_tlv.alpha2, dev->alpha2, sizeof(dev->alpha2));
tx_power_tlv.n_chan = num_ch;
switch (band) {
case NL80211_BAND_2GHZ:
tx_power_tlv.band = 1;
break;
case NL80211_BAND_6GHZ:
tx_power_tlv.band = 3;
break;
default:
tx_power_tlv.band = 2;
break;
}
for (j = 0; j < num_ch; j++, idx++) {
struct ieee80211_channel chan = {
.hw_value = ch_list[idx],
.band = band,
};
s8 reg_power, sar_power;
reg_power = mt76_connac_get_ch_power(phy, &chan,
tx_power);
sar_power = mt76_get_sar_power(phy, &chan, reg_power);
mt76_get_rate_power_limits(phy, &chan, &limits,
sar_power);
tx_power_tlv.last_msg = ch_list[idx] == last_ch;
sku_tlbv.channel = ch_list[idx];
mt76_connac_mcu_build_sku(dev, sku_tlbv.pwr_limit,
&limits, band);
skb_put_data(skb, &sku_tlbv, sku_len);
}
__skb_push(skb, sizeof(tx_power_tlv));
memcpy(skb->data, &tx_power_tlv, sizeof(tx_power_tlv));
err = mt76_mcu_skb_send_msg(dev, skb,
MCU_CE_CMD(SET_RATE_TX_POWER),
false);
if (err < 0)
return err;
}
return 0;
}
int mt76_connac_mcu_set_rate_txpower(struct mt76_phy *phy)
{
int err;
if (phy->cap.has_2ghz) {
err = mt76_connac_mcu_rate_txpower_band(phy,
NL80211_BAND_2GHZ);
if (err < 0)
return err;
}
if (phy->cap.has_5ghz) {
err = mt76_connac_mcu_rate_txpower_band(phy,
NL80211_BAND_5GHZ);
if (err < 0)
return err;
}
if (phy->cap.has_6ghz) {
err = mt76_connac_mcu_rate_txpower_band(phy,
NL80211_BAND_6GHZ);
if (err < 0)
return err;
}
return 0;
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_rate_txpower);
int mt76_connac_mcu_update_arp_filter(struct mt76_dev *dev,
struct mt76_vif *vif,
struct ieee80211_bss_conf *info)
{
struct ieee80211_vif *mvif = container_of(info, struct ieee80211_vif,
bss_conf);
struct sk_buff *skb;
int i, len = min_t(int, mvif->cfg.arp_addr_cnt,
IEEE80211_BSS_ARP_ADDR_LIST_LEN);
struct {
struct {
u8 bss_idx;
u8 pad[3];
} __packed hdr;
struct mt76_connac_arpns_tlv arp;
} req_hdr = {
.hdr = {
.bss_idx = vif->idx,
},
.arp = {
.tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ARP),
.len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv)),
.ips_num = len,
.mode = 2, /* update */
.option = 1,
},
};
skb = mt76_mcu_msg_alloc(dev, NULL,
sizeof(req_hdr) + len * sizeof(__be32));
if (!skb)
return -ENOMEM;
skb_put_data(skb, &req_hdr, sizeof(req_hdr));
for (i = 0; i < len; i++)
skb_put_data(skb, &mvif->cfg.arp_addr_list[i], sizeof(__be32));
return mt76_mcu_skb_send_msg(dev, skb, MCU_UNI_CMD(OFFLOAD), true);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_update_arp_filter);
int mt76_connac_mcu_set_p2p_oppps(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
int ct_window = vif->bss_conf.p2p_noa_attr.oppps_ctwindow;
struct mt76_phy *phy = hw->priv;
struct {
__le32 ct_win;
u8 bss_idx;
u8 rsv[3];
} __packed req = {
.ct_win = cpu_to_le32(ct_window),
.bss_idx = mvif->idx,
};
return mt76_mcu_send_msg(phy->dev, MCU_CE_CMD(SET_P2P_OPPPS),
&req, sizeof(req), false);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_p2p_oppps);
#ifdef CONFIG_PM
const struct wiphy_wowlan_support mt76_connac_wowlan_support = {
.flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | WIPHY_WOWLAN_NET_DETECT,
.n_patterns = 1,
.pattern_min_len = 1,
.pattern_max_len = MT76_CONNAC_WOW_PATTEN_MAX_LEN,
.max_nd_match_sets = 10,
};
EXPORT_SYMBOL_GPL(mt76_connac_wowlan_support);
static void
mt76_connac_mcu_key_iter(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct ieee80211_key_conf *key,
void *data)
{
struct mt76_connac_gtk_rekey_tlv *gtk_tlv = data;
u32 cipher;
if (key->cipher != WLAN_CIPHER_SUITE_AES_CMAC &&
key->cipher != WLAN_CIPHER_SUITE_CCMP &&
key->cipher != WLAN_CIPHER_SUITE_TKIP)
return;
if (key->cipher == WLAN_CIPHER_SUITE_TKIP)
cipher = BIT(3);
else
cipher = BIT(4);
/* we are assuming here to have a single pairwise key */
if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {
if (key->cipher == WLAN_CIPHER_SUITE_TKIP)
gtk_tlv->proto = cpu_to_le32(NL80211_WPA_VERSION_1);
else
gtk_tlv->proto = cpu_to_le32(NL80211_WPA_VERSION_2);
gtk_tlv->pairwise_cipher = cpu_to_le32(cipher);
gtk_tlv->keyid = key->keyidx;
} else {
gtk_tlv->group_cipher = cpu_to_le32(cipher);
}
}
int mt76_connac_mcu_update_gtk_rekey(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct cfg80211_gtk_rekey_data *key)
{
struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
struct mt76_connac_gtk_rekey_tlv *gtk_tlv;
struct mt76_phy *phy = hw->priv;
struct sk_buff *skb;
struct {
u8 bss_idx;
u8 pad[3];
} __packed hdr = {
.bss_idx = mvif->idx,
};
skb = mt76_mcu_msg_alloc(phy->dev, NULL,
sizeof(hdr) + sizeof(*gtk_tlv));
if (!skb)
return -ENOMEM;
skb_put_data(skb, &hdr, sizeof(hdr));
gtk_tlv = (struct mt76_connac_gtk_rekey_tlv *)skb_put(skb,
sizeof(*gtk_tlv));
gtk_tlv->tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_GTK_REKEY);
gtk_tlv->len = cpu_to_le16(sizeof(*gtk_tlv));
gtk_tlv->rekey_mode = 2;
gtk_tlv->option = 1;
rcu_read_lock();
ieee80211_iter_keys_rcu(hw, vif, mt76_connac_mcu_key_iter, gtk_tlv);
rcu_read_unlock();
memcpy(gtk_tlv->kek, key->kek, NL80211_KEK_LEN);
memcpy(gtk_tlv->kck, key->kck, NL80211_KCK_LEN);
memcpy(gtk_tlv->replay_ctr, key->replay_ctr, NL80211_REPLAY_CTR_LEN);
return mt76_mcu_skb_send_msg(phy->dev, skb,
MCU_UNI_CMD(OFFLOAD), true);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_update_gtk_rekey);
static int
mt76_connac_mcu_set_arp_filter(struct mt76_dev *dev, struct ieee80211_vif *vif,
bool suspend)
{
struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
struct {
struct {
u8 bss_idx;
u8 pad[3];
} __packed hdr;
struct mt76_connac_arpns_tlv arpns;
} req = {
.hdr = {
.bss_idx = mvif->idx,
},
.arpns = {
.tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ARP),
.len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv)),
.mode = suspend,
},
};
return mt76_mcu_send_msg(dev, MCU_UNI_CMD(OFFLOAD), &req,
sizeof(req), true);
}
static int
mt76_connac_mcu_set_gtk_rekey(struct mt76_dev *dev, struct ieee80211_vif *vif,
bool suspend)
{
struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
struct {
struct {
u8 bss_idx;
u8 pad[3];
} __packed hdr;
struct mt76_connac_gtk_rekey_tlv gtk_tlv;
} __packed req = {
.hdr = {
.bss_idx = mvif->idx,
},
.gtk_tlv = {
.tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_GTK_REKEY),
.len = cpu_to_le16(sizeof(struct mt76_connac_gtk_rekey_tlv)),
.rekey_mode = !suspend,
},
};
return mt76_mcu_send_msg(dev, MCU_UNI_CMD(OFFLOAD), &req,
sizeof(req), true);
}
static int
mt76_connac_mcu_set_suspend_mode(struct mt76_dev *dev,
struct ieee80211_vif *vif,
bool enable, u8 mdtim,
bool wow_suspend)
{
struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
struct {
struct {
u8 bss_idx;
u8 pad[3];
} __packed hdr;
struct mt76_connac_suspend_tlv suspend_tlv;
} req = {
.hdr = {
.bss_idx = mvif->idx,
},
.suspend_tlv = {
.tag = cpu_to_le16(UNI_SUSPEND_MODE_SETTING),
.len = cpu_to_le16(sizeof(struct mt76_connac_suspend_tlv)),
.enable = enable,
.mdtim = mdtim,
.wow_suspend = wow_suspend,
},
};
return mt76_mcu_send_msg(dev, MCU_UNI_CMD(SUSPEND), &req,
sizeof(req), true);
}
static int
mt76_connac_mcu_set_wow_pattern(struct mt76_dev *dev,
struct ieee80211_vif *vif,
u8 index, bool enable,
struct cfg80211_pkt_pattern *pattern)
{
struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
struct mt76_connac_wow_pattern_tlv *ptlv;
struct sk_buff *skb;
struct req_hdr {
u8 bss_idx;
u8 pad[3];
} __packed hdr = {
.bss_idx = mvif->idx,
};
skb = mt76_mcu_msg_alloc(dev, NULL, sizeof(hdr) + sizeof(*ptlv));
if (!skb)
return -ENOMEM;
skb_put_data(skb, &hdr, sizeof(hdr));
ptlv = (struct mt76_connac_wow_pattern_tlv *)skb_put(skb, sizeof(*ptlv));
ptlv->tag = cpu_to_le16(UNI_SUSPEND_WOW_PATTERN);
ptlv->len = cpu_to_le16(sizeof(*ptlv));
ptlv->data_len = pattern->pattern_len;
ptlv->enable = enable;
ptlv->index = index;
memcpy(ptlv->pattern, pattern->pattern, pattern->pattern_len);
memcpy(ptlv->mask, pattern->mask, DIV_ROUND_UP(pattern->pattern_len, 8));
return mt76_mcu_skb_send_msg(dev, skb, MCU_UNI_CMD(SUSPEND), true);
}
static int
mt76_connac_mcu_set_wow_ctrl(struct mt76_phy *phy, struct ieee80211_vif *vif,
bool suspend, struct cfg80211_wowlan *wowlan)
{
struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
struct mt76_dev *dev = phy->dev;
struct {
struct {
u8 bss_idx;
u8 pad[3];
} __packed hdr;
struct mt76_connac_wow_ctrl_tlv wow_ctrl_tlv;
struct mt76_connac_wow_gpio_param_tlv gpio_tlv;
} req = {
.hdr = {
.bss_idx = mvif->idx,
},
.wow_ctrl_tlv = {
.tag = cpu_to_le16(UNI_SUSPEND_WOW_CTRL),
.len = cpu_to_le16(sizeof(struct mt76_connac_wow_ctrl_tlv)),
.cmd = suspend ? 1 : 2,
},
.gpio_tlv = {
.tag = cpu_to_le16(UNI_SUSPEND_WOW_GPIO_PARAM),
.len = cpu_to_le16(sizeof(struct mt76_connac_wow_gpio_param_tlv)),
.gpio_pin = 0xff, /* follow fw about GPIO pin */
},
};
if (wowlan->magic_pkt)
req.wow_ctrl_tlv.trigger |= UNI_WOW_DETECT_TYPE_MAGIC;
if (wowlan->disconnect)
req.wow_ctrl_tlv.trigger |= (UNI_WOW_DETECT_TYPE_DISCONNECT |
UNI_WOW_DETECT_TYPE_BCN_LOST);
if (wowlan->nd_config) {
mt76_connac_mcu_sched_scan_req(phy, vif, wowlan->nd_config);
req.wow_ctrl_tlv.trigger |= UNI_WOW_DETECT_TYPE_SCH_SCAN_HIT;
mt76_connac_mcu_sched_scan_enable(phy, vif, suspend);
}
if (wowlan->n_patterns)
req.wow_ctrl_tlv.trigger |= UNI_WOW_DETECT_TYPE_BITMAP;
if (mt76_is_mmio(dev))
req.wow_ctrl_tlv.wakeup_hif = WOW_PCIE;
else if (mt76_is_usb(dev))
req.wow_ctrl_tlv.wakeup_hif = WOW_USB;
else if (mt76_is_sdio(dev))
req.wow_ctrl_tlv.wakeup_hif = WOW_GPIO;
return mt76_mcu_send_msg(dev, MCU_UNI_CMD(SUSPEND), &req,
sizeof(req), true);
}
int mt76_connac_mcu_set_hif_suspend(struct mt76_dev *dev, bool suspend)
{
struct {
struct {
u8 hif_type; /* 0x0: HIF_SDIO
* 0x1: HIF_USB
* 0x2: HIF_PCIE
*/
u8 pad[3];
} __packed hdr;
struct hif_suspend_tlv {
__le16 tag;
__le16 len;
u8 suspend;
} __packed hif_suspend;
} req = {
.hif_suspend = {
.tag = cpu_to_le16(0), /* 0: UNI_HIF_CTRL_BASIC */
.len = cpu_to_le16(sizeof(struct hif_suspend_tlv)),
.suspend = suspend,
},
};
if (mt76_is_mmio(dev))
req.hdr.hif_type = 2;
else if (mt76_is_usb(dev))
req.hdr.hif_type = 1;
else if (mt76_is_sdio(dev))
req.hdr.hif_type = 0;
return mt76_mcu_send_msg(dev, MCU_UNI_CMD(HIF_CTRL), &req,
sizeof(req), true);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_hif_suspend);
void mt76_connac_mcu_set_suspend_iter(void *priv, u8 *mac,
struct ieee80211_vif *vif)
{
struct mt76_phy *phy = priv;
bool suspend = !test_bit(MT76_STATE_RUNNING, &phy->state);
struct ieee80211_hw *hw = phy->hw;
struct cfg80211_wowlan *wowlan = hw->wiphy->wowlan_config;
int i;
mt76_connac_mcu_set_gtk_rekey(phy->dev, vif, suspend);
mt76_connac_mcu_set_arp_filter(phy->dev, vif, suspend);
mt76_connac_mcu_set_suspend_mode(phy->dev, vif, suspend, 1, true);
for (i = 0; i < wowlan->n_patterns; i++)
mt76_connac_mcu_set_wow_pattern(phy->dev, vif, i, suspend,
&wowlan->patterns[i]);
mt76_connac_mcu_set_wow_ctrl(phy, vif, suspend, wowlan);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_suspend_iter);
#endif /* CONFIG_PM */
u32 mt76_connac_mcu_reg_rr(struct mt76_dev *dev, u32 offset)
{
struct {
__le32 addr;
__le32 val;
} __packed req = {
.addr = cpu_to_le32(offset),
};
return mt76_mcu_send_msg(dev, MCU_CE_QUERY(REG_READ), &req,
sizeof(req), true);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_reg_rr);
void mt76_connac_mcu_reg_wr(struct mt76_dev *dev, u32 offset, u32 val)
{
struct {
__le32 addr;
__le32 val;
} __packed req = {
.addr = cpu_to_le32(offset),
.val = cpu_to_le32(val),
};
mt76_mcu_send_msg(dev, MCU_CE_CMD(REG_WRITE), &req,
sizeof(req), false);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_reg_wr);
static int
mt76_connac_mcu_sta_key_tlv(struct mt76_connac_sta_key_conf *sta_key_conf,
struct sk_buff *skb,
struct ieee80211_key_conf *key,
enum set_key_cmd cmd)
{
struct sta_rec_sec *sec;
u32 len = sizeof(*sec);
struct tlv *tlv;
tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_KEY_V2, sizeof(*sec));
sec = (struct sta_rec_sec *)tlv;
sec->add = cmd;
if (cmd == SET_KEY) {
struct sec_key *sec_key;
u8 cipher;
cipher = mt76_connac_mcu_get_cipher(key->cipher);
if (cipher == MCU_CIPHER_NONE)
return -EOPNOTSUPP;
sec_key = &sec->key[0];
sec_key->cipher_len = sizeof(*sec_key);
if (cipher == MCU_CIPHER_BIP_CMAC_128) {
sec_key->cipher_id = MCU_CIPHER_AES_CCMP;
sec_key->key_id = sta_key_conf->keyidx;
sec_key->key_len = 16;
memcpy(sec_key->key, sta_key_conf->key, 16);
sec_key = &sec->key[1];
sec_key->cipher_id = MCU_CIPHER_BIP_CMAC_128;
sec_key->cipher_len = sizeof(*sec_key);
sec_key->key_len = 16;
memcpy(sec_key->key, key->key, 16);
sec->n_cipher = 2;
} else {
sec_key->cipher_id = cipher;
sec_key->key_id = key->keyidx;
sec_key->key_len = key->keylen;
memcpy(sec_key->key, key->key, key->keylen);
if (cipher == MCU_CIPHER_TKIP) {
/* Rx/Tx MIC keys are swapped */
memcpy(sec_key->key + 16, key->key + 24, 8);
memcpy(sec_key->key + 24, key->key + 16, 8);
}
/* store key_conf for BIP batch update */
if (cipher == MCU_CIPHER_AES_CCMP) {
memcpy(sta_key_conf->key, key->key, key->keylen);
sta_key_conf->keyidx = key->keyidx;
}
len -= sizeof(*sec_key);
sec->n_cipher = 1;
}
} else {
len -= sizeof(sec->key);
sec->n_cipher = 0;
}
sec->len = cpu_to_le16(len);
return 0;
}
int mt76_connac_mcu_add_key(struct mt76_dev *dev, struct ieee80211_vif *vif,
struct mt76_connac_sta_key_conf *sta_key_conf,
struct ieee80211_key_conf *key, int mcu_cmd,
struct mt76_wcid *wcid, enum set_key_cmd cmd)
{
struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
struct sk_buff *skb;
int ret;
skb = mt76_connac_mcu_alloc_sta_req(dev, mvif, wcid);
if (IS_ERR(skb))
return PTR_ERR(skb);
ret = mt76_connac_mcu_sta_key_tlv(sta_key_conf, skb, key, cmd);
if (ret)
return ret;
return mt76_mcu_skb_send_msg(dev, skb, mcu_cmd, true);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_add_key);
/* SIFS 20us + 512 byte beacon transmitted by 1Mbps (3906us) */
#define BCN_TX_ESTIMATE_TIME (4096 + 20)
void mt76_connac_mcu_bss_ext_tlv(struct sk_buff *skb, struct mt76_vif *mvif)
{
struct bss_info_ext_bss *ext;
int ext_bss_idx, tsf_offset;
struct tlv *tlv;
ext_bss_idx = mvif->omac_idx - EXT_BSSID_START;
if (ext_bss_idx < 0)
return;
tlv = mt76_connac_mcu_add_tlv(skb, BSS_INFO_EXT_BSS, sizeof(*ext));
ext = (struct bss_info_ext_bss *)tlv;
tsf_offset = ext_bss_idx * BCN_TX_ESTIMATE_TIME;
ext->mbss_tsf_offset = cpu_to_le32(tsf_offset);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_bss_ext_tlv);
int mt76_connac_mcu_bss_basic_tlv(struct sk_buff *skb,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct mt76_phy *phy, u16 wlan_idx,
bool enable)
{
struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
u32 type = vif->p2p ? NETWORK_P2P : NETWORK_INFRA;
struct bss_info_basic *bss;
struct tlv *tlv;
tlv = mt76_connac_mcu_add_tlv(skb, BSS_INFO_BASIC, sizeof(*bss));
bss = (struct bss_info_basic *)tlv;
switch (vif->type) {
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_MONITOR:
break;
case NL80211_IFTYPE_AP:
if (ieee80211_hw_check(phy->hw, SUPPORTS_MULTI_BSSID)) {
u8 bssid_id = vif->bss_conf.bssid_indicator;
struct wiphy *wiphy = phy->hw->wiphy;
if (bssid_id > ilog2(wiphy->mbssid_max_interfaces))
return -EINVAL;
bss->non_tx_bssid = vif->bss_conf.bssid_index;
bss->max_bssid = bssid_id;
}
break;
case NL80211_IFTYPE_STATION:
if (enable) {
rcu_read_lock();
if (!sta)
sta = ieee80211_find_sta(vif,
vif->bss_conf.bssid);
/* TODO: enable BSS_INFO_UAPSD & BSS_INFO_PM */
if (sta) {
struct mt76_wcid *wcid;
wcid = (struct mt76_wcid *)sta->drv_priv;
wlan_idx = wcid->idx;
}
rcu_read_unlock();
}
break;
case NL80211_IFTYPE_ADHOC:
type = NETWORK_IBSS;
break;
default:
WARN_ON(1);
break;
}
bss->network_type = cpu_to_le32(type);
bss->bmc_wcid_lo = to_wcid_lo(wlan_idx);
bss->bmc_wcid_hi = to_wcid_hi(wlan_idx);
bss->wmm_idx = mvif->wmm_idx;
bss->active = enable;
bss->cipher = mvif->cipher;
if (vif->type != NL80211_IFTYPE_MONITOR) {
struct cfg80211_chan_def *chandef = &phy->chandef;
memcpy(bss->bssid, vif->bss_conf.bssid, ETH_ALEN);
bss->bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int);
bss->dtim_period = vif->bss_conf.dtim_period;
bss->phy_mode = mt76_connac_get_phy_mode(phy, vif,
chandef->chan->band, NULL);
} else {
memcpy(bss->bssid, phy->macaddr, ETH_ALEN);
}
return 0;
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_bss_basic_tlv);
#define ENTER_PM_STATE 1
#define EXIT_PM_STATE 2
int mt76_connac_mcu_set_pm(struct mt76_dev *dev, int band, int enter)
{
struct {
u8 pm_number;
u8 pm_state;
u8 bssid[ETH_ALEN];
u8 dtim_period;
u8 wlan_idx_lo;
__le16 bcn_interval;
__le32 aid;
__le32 rx_filter;
u8 band_idx;
u8 wlan_idx_hi;
u8 rsv[2];
__le32 feature;
u8 omac_idx;
u8 wmm_idx;
u8 bcn_loss_cnt;
u8 bcn_sp_duration;
} __packed req = {
.pm_number = 5,
.pm_state = enter ? ENTER_PM_STATE : EXIT_PM_STATE,
.band_idx = band,
};
return mt76_mcu_send_msg(dev, MCU_EXT_CMD(PM_STATE_CTRL), &req,
sizeof(req), true);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_pm);
int mt76_connac_mcu_restart(struct mt76_dev *dev)
{
struct {
u8 power_mode;
u8 rsv[3];
} req = {
.power_mode = 1,
};
return mt76_mcu_send_msg(dev, MCU_CMD(NIC_POWER_CTRL), &req,
sizeof(req), false);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_restart);
int mt76_connac_mcu_rdd_cmd(struct mt76_dev *dev, int cmd, u8 index,
u8 rx_sel, u8 val)
{
struct {
u8 ctrl;
u8 rdd_idx;
u8 rdd_rx_sel;
u8 val;
u8 rsv[4];
} __packed req = {
.ctrl = cmd,
.rdd_idx = index,
.rdd_rx_sel = rx_sel,
.val = val,
};
return mt76_mcu_send_msg(dev, MCU_EXT_CMD(SET_RDD_CTRL), &req,
sizeof(req), true);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_rdd_cmd);
static int
mt76_connac_mcu_send_ram_firmware(struct mt76_dev *dev,
const struct mt76_connac2_fw_trailer *hdr,
const u8 *data, bool is_wa)
{
int i, offset = 0, max_len = mt76_is_sdio(dev) ? 2048 : 4096;
u32 override = 0, option = 0;
for (i = 0; i < hdr->n_region; i++) {
const struct mt76_connac2_fw_region *region;
u32 len, addr, mode;
int err;
region = (const void *)((const u8 *)hdr -
(hdr->n_region - i) * sizeof(*region));
mode = mt76_connac_mcu_gen_dl_mode(dev, region->feature_set,
is_wa);
len = le32_to_cpu(region->len);
addr = le32_to_cpu(region->addr);
if (region->feature_set & FW_FEATURE_NON_DL)
goto next;
if (region->feature_set & FW_FEATURE_OVERRIDE_ADDR)
override = addr;
err = mt76_connac_mcu_init_download(dev, addr, len, mode);
if (err) {
dev_err(dev->dev, "Download request failed\n");
return err;
}
err = __mt76_mcu_send_firmware(dev, MCU_CMD(FW_SCATTER),
data + offset, len, max_len);
if (err) {
dev_err(dev->dev, "Failed to send firmware.\n");
return err;
}
next:
offset += len;
}
if (override)
option |= FW_START_OVERRIDE;
if (is_wa)
option |= FW_START_WORKING_PDA_CR4;
return mt76_connac_mcu_start_firmware(dev, override, option);
}
int mt76_connac2_load_ram(struct mt76_dev *dev, const char *fw_wm,
const char *fw_wa)
{
const struct mt76_connac2_fw_trailer *hdr;
const struct firmware *fw;
int ret;
ret = request_firmware(&fw, fw_wm, dev->dev);
if (ret)
return ret;
if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
dev_err(dev->dev, "Invalid firmware\n");
ret = -EINVAL;
goto out;
}
hdr = (const void *)(fw->data + fw->size - sizeof(*hdr));
dev_info(dev->dev, "WM Firmware Version: %.10s, Build Time: %.15s\n",
hdr->fw_ver, hdr->build_date);
ret = mt76_connac_mcu_send_ram_firmware(dev, hdr, fw->data, false);
if (ret) {
dev_err(dev->dev, "Failed to start WM firmware\n");
goto out;
}
snprintf(dev->hw->wiphy->fw_version,
sizeof(dev->hw->wiphy->fw_version),
"%.10s-%.15s", hdr->fw_ver, hdr->build_date);
release_firmware(fw);
if (!fw_wa)
return 0;
ret = request_firmware(&fw, fw_wa, dev->dev);
if (ret)
return ret;
if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
dev_err(dev->dev, "Invalid firmware\n");
ret = -EINVAL;
goto out;
}
hdr = (const void *)(fw->data + fw->size - sizeof(*hdr));
dev_info(dev->dev, "WA Firmware Version: %.10s, Build Time: %.15s\n",
hdr->fw_ver, hdr->build_date);
ret = mt76_connac_mcu_send_ram_firmware(dev, hdr, fw->data, true);
if (ret) {
dev_err(dev->dev, "Failed to start WA firmware\n");
goto out;
}
snprintf(dev->hw->wiphy->fw_version,
sizeof(dev->hw->wiphy->fw_version),
"%.10s-%.15s", hdr->fw_ver, hdr->build_date);
out:
release_firmware(fw);
return ret;
}
EXPORT_SYMBOL_GPL(mt76_connac2_load_ram);
static u32 mt76_connac2_get_data_mode(struct mt76_dev *dev, u32 info)
{
u32 mode = DL_MODE_NEED_RSP;
if (!is_mt7921(dev) || info == PATCH_SEC_NOT_SUPPORT)
return mode;
switch (FIELD_GET(PATCH_SEC_ENC_TYPE_MASK, info)) {
case PATCH_SEC_ENC_TYPE_PLAIN:
break;
case PATCH_SEC_ENC_TYPE_AES:
mode |= DL_MODE_ENCRYPT;
mode |= FIELD_PREP(DL_MODE_KEY_IDX,
(info & PATCH_SEC_ENC_AES_KEY_MASK)) & DL_MODE_KEY_IDX;
mode |= DL_MODE_RESET_SEC_IV;
break;
case PATCH_SEC_ENC_TYPE_SCRAMBLE:
mode |= DL_MODE_ENCRYPT;
mode |= DL_CONFIG_ENCRY_MODE_SEL;
mode |= DL_MODE_RESET_SEC_IV;
break;
default:
dev_err(dev->dev, "Encryption type not support!\n");
}
return mode;
}
int mt76_connac2_load_patch(struct mt76_dev *dev, const char *fw_name)
{
int i, ret, sem, max_len = mt76_is_sdio(dev) ? 2048 : 4096;
const struct mt76_connac2_patch_hdr *hdr;
const struct firmware *fw = NULL;
sem = mt76_connac_mcu_patch_sem_ctrl(dev, true);
switch (sem) {
case PATCH_IS_DL:
return 0;
case PATCH_NOT_DL_SEM_SUCCESS:
break;
default:
dev_err(dev->dev, "Failed to get patch semaphore\n");
return -EAGAIN;
}
ret = request_firmware(&fw, fw_name, dev->dev);
if (ret)
goto out;
if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
dev_err(dev->dev, "Invalid firmware\n");
ret = -EINVAL;
goto out;
}
hdr = (const void *)fw->data;
dev_info(dev->dev, "HW/SW Version: 0x%x, Build Time: %.16s\n",
be32_to_cpu(hdr->hw_sw_ver), hdr->build_date);
for (i = 0; i < be32_to_cpu(hdr->desc.n_region); i++) {
struct mt76_connac2_patch_sec *sec;
u32 len, addr, mode;
const u8 *dl;
u32 sec_info;
sec = (void *)(fw->data + sizeof(*hdr) + i * sizeof(*sec));
if ((be32_to_cpu(sec->type) & PATCH_SEC_TYPE_MASK) !=
PATCH_SEC_TYPE_INFO) {
ret = -EINVAL;
goto out;
}
addr = be32_to_cpu(sec->info.addr);
len = be32_to_cpu(sec->info.len);
dl = fw->data + be32_to_cpu(sec->offs);
sec_info = be32_to_cpu(sec->info.sec_key_idx);
mode = mt76_connac2_get_data_mode(dev, sec_info);
ret = mt76_connac_mcu_init_download(dev, addr, len, mode);
if (ret) {
dev_err(dev->dev, "Download request failed\n");
goto out;
}
ret = __mt76_mcu_send_firmware(dev, MCU_CMD(FW_SCATTER),
dl, len, max_len);
if (ret) {
dev_err(dev->dev, "Failed to send patch\n");
goto out;
}
}
ret = mt76_connac_mcu_start_patch(dev);
if (ret)
dev_err(dev->dev, "Failed to start patch\n");
out:
sem = mt76_connac_mcu_patch_sem_ctrl(dev, false);
switch (sem) {
case PATCH_REL_SEM_SUCCESS:
break;
default:
ret = -EAGAIN;
dev_err(dev->dev, "Failed to release patch semaphore\n");
break;
}
release_firmware(fw);
return ret;
}
EXPORT_SYMBOL_GPL(mt76_connac2_load_patch);
int mt76_connac2_mcu_fill_message(struct mt76_dev *dev, struct sk_buff *skb,
int cmd, int *wait_seq)
{
int txd_len, mcu_cmd = FIELD_GET(__MCU_CMD_FIELD_ID, cmd);
struct mt76_connac2_mcu_uni_txd *uni_txd;
struct mt76_connac2_mcu_txd *mcu_txd;
__le32 *txd;
u32 val;
u8 seq;
/* TODO: make dynamic based on msg type */
dev->mcu.timeout = 20 * HZ;
seq = ++dev->mcu.msg_seq & 0xf;
if (!seq)
seq = ++dev->mcu.msg_seq & 0xf;
if (cmd == MCU_CMD(FW_SCATTER))
goto exit;
txd_len = cmd & __MCU_CMD_FIELD_UNI ? sizeof(*uni_txd) : sizeof(*mcu_txd);
txd = (__le32 *)skb_push(skb, txd_len);
val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len) |
FIELD_PREP(MT_TXD0_PKT_FMT, MT_TX_TYPE_CMD) |
FIELD_PREP(MT_TXD0_Q_IDX, MT_TX_MCU_PORT_RX_Q0);
txd[0] = cpu_to_le32(val);
val = MT_TXD1_LONG_FORMAT |
FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_CMD);
txd[1] = cpu_to_le32(val);
if (cmd & __MCU_CMD_FIELD_UNI) {
uni_txd = (struct mt76_connac2_mcu_uni_txd *)txd;
uni_txd->len = cpu_to_le16(skb->len - sizeof(uni_txd->txd));
uni_txd->option = MCU_CMD_UNI_EXT_ACK;
uni_txd->cid = cpu_to_le16(mcu_cmd);
uni_txd->s2d_index = MCU_S2D_H2N;
uni_txd->pkt_type = MCU_PKT_ID;
uni_txd->seq = seq;
goto exit;
}
mcu_txd = (struct mt76_connac2_mcu_txd *)txd;
mcu_txd->len = cpu_to_le16(skb->len - sizeof(mcu_txd->txd));
mcu_txd->pq_id = cpu_to_le16(MCU_PQ_ID(MT_TX_PORT_IDX_MCU,
MT_TX_MCU_PORT_RX_Q0));
mcu_txd->pkt_type = MCU_PKT_ID;
mcu_txd->seq = seq;
mcu_txd->cid = mcu_cmd;
mcu_txd->ext_cid = FIELD_GET(__MCU_CMD_FIELD_EXT_ID, cmd);
if (mcu_txd->ext_cid || (cmd & __MCU_CMD_FIELD_CE)) {
if (cmd & __MCU_CMD_FIELD_QUERY)
mcu_txd->set_query = MCU_Q_QUERY;
else
mcu_txd->set_query = MCU_Q_SET;
mcu_txd->ext_cid_ack = !!mcu_txd->ext_cid;
} else {
mcu_txd->set_query = MCU_Q_NA;
}
if (cmd & __MCU_CMD_FIELD_WA)
mcu_txd->s2d_index = MCU_S2D_H2C;
else
mcu_txd->s2d_index = MCU_S2D_H2N;
exit:
if (wait_seq)
*wait_seq = seq;
return 0;
}
EXPORT_SYMBOL_GPL(mt76_connac2_mcu_fill_message);
MODULE_AUTHOR("Lorenzo Bianconi <lorenzo@kernel.org>");
MODULE_LICENSE("Dual BSD/GPL");
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