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wifi: rtw88: assign mac_id for vif/sta and update to TX desc

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A mac_id as an instance in firmware has to be assigned for each station
including AP and connected stations. Firmware will use the mac_id to
control TX rate and do statistics.

Assignment rule is to assign mac_id to each vif when adding vif.
For station mode, sta->mac_id will reuse vif->mac_id. For AP mode,
dynamically allocate an sta->mac_id to a station, and vif->mac_id is
used to send broadcast/multicast packets which are not belong to
a station. For example,

                  vif->mac_id      sta->mac_id
vif0 (STA mode)        0               0
vif1 (AP mode)         1               2...

By the way, remove unused RTW_BC_MC_MACID, which was planed to send
broadcast/multicast packets on fixed mac_id.

Tested-on RTL8822CE with STA + AP SCC mode.

Link: https://lore.kernel.org/linux-wireless/e4be0a75-43b2-4ae5-9aab-5c4a88e78097@gmail.com/
Cc: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20240819025248.17939-1-pkshih@realtek.com
This commit is contained in:
Ping-Ke Shih 2024-08-19 10:52:48 +08:00
parent faa2e484b3
commit 902cb7b11f
5 changed files with 44 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/net/wireless/realtek/rtw88/mac80211.c
View File

@ -167,6 +167,12 @@ static int rtw_ops_add_interface(struct ieee80211_hw *hw,
mutex_lock(&rtwdev->mutex);
rtwvif->mac_id = rtw_acquire_macid(rtwdev);
if (rtwvif->mac_id >= RTW_MAX_MAC_ID_NUM) {
mutex_unlock(&rtwdev->mutex);
return -ENOSPC;
}
port = find_first_zero_bit(rtwdev->hw_port, RTW_PORT_NUM);
if (port >= RTW_PORT_NUM) {
mutex_unlock(&rtwdev->mutex);
@ -214,7 +220,8 @@ static int rtw_ops_add_interface(struct ieee80211_hw *hw,
mutex_unlock(&rtwdev->mutex);
rtw_dbg(rtwdev, RTW_DBG_STATE, "start vif %pM on port %d\n", vif->addr, rtwvif->port);
rtw_dbg(rtwdev, RTW_DBG_STATE, "start vif %pM mac_id %d on port %d\n",
vif->addr, rtwvif->mac_id, rtwvif->port);
return 0;
}
@ -225,7 +232,8 @@ static void rtw_ops_remove_interface(struct ieee80211_hw *hw,
struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
u32 config = 0;
rtw_dbg(rtwdev, RTW_DBG_STATE, "stop vif %pM on port %d\n", vif->addr, rtwvif->port);
rtw_dbg(rtwdev, RTW_DBG_STATE, "stop vif %pM mac_id %d on port %d\n",
vif->addr, rtwvif->mac_id, rtwvif->port);
mutex_lock(&rtwdev->mutex);
@ -242,6 +250,7 @@ static void rtw_ops_remove_interface(struct ieee80211_hw *hw,
config |= PORT_SET_BCN_CTRL;
rtw_vif_port_config(rtwdev, rtwvif, config);
clear_bit(rtwvif->port, rtwdev->hw_port);
rtw_release_macid(rtwdev, rtwvif->mac_id);
rtw_recalc_lps(rtwdev, NULL);
mutex_unlock(&rtwdev->mutex);

30
drivers/net/wireless/realtek/rtw88/main.c
View File

@ -311,17 +311,6 @@ static void rtw_ips_work(struct work_struct *work)
mutex_unlock(&rtwdev->mutex);
}
static u8 rtw_acquire_macid(struct rtw_dev *rtwdev)
{
unsigned long mac_id;
mac_id = find_first_zero_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM);
if (mac_id < RTW_MAX_MAC_ID_NUM)
set_bit(mac_id, rtwdev->mac_id_map);
return mac_id;
}
static void rtw_sta_rc_work(struct work_struct *work)
{
struct rtw_sta_info *si = container_of(work, struct rtw_sta_info,
@ -340,12 +329,14 @@ int rtw_sta_add(struct rtw_dev *rtwdev, struct ieee80211_sta *sta,
struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
int i;
si->mac_id = rtw_acquire_macid(rtwdev);
if (si->mac_id >= RTW_MAX_MAC_ID_NUM)
return -ENOSPC;
if (vif->type == NL80211_IFTYPE_STATION) {
si->mac_id = rtwvif->mac_id;
} else {
si->mac_id = rtw_acquire_macid(rtwdev);
if (si->mac_id >= RTW_MAX_MAC_ID_NUM)
return -ENOSPC;
}
if (vif->type == NL80211_IFTYPE_STATION && vif->cfg.assoc == 0)
rtwvif->mac_id = si->mac_id;
si->rtwdev = rtwdev;
si->sta = sta;
si->vif = vif;
@ -370,11 +361,13 @@ void rtw_sta_remove(struct rtw_dev *rtwdev, struct ieee80211_sta *sta,
bool fw_exist)
{
struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv;
struct ieee80211_vif *vif = si->vif;
int i;
cancel_work_sync(&si->rc_work);
rtw_release_macid(rtwdev, si->mac_id);
if (vif->type != NL80211_IFTYPE_STATION)
rtw_release_macid(rtwdev, si->mac_id);
if (fw_exist)
rtw_fw_media_status_report(rtwdev, si->mac_id, false);
@ -614,6 +607,8 @@ static void rtw_reset_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
rtw_bf_disassoc(rtwdev, vif, NULL);
rtw_vif_assoc_changed(rtwvif, NULL);
rtw_txq_cleanup(rtwdev, vif->txq);
rtw_release_macid(rtwdev, rtwvif->mac_id);
}
void rtw_fw_recovery(struct rtw_dev *rtwdev)
@ -2139,7 +2134,6 @@ int rtw_core_init(struct rtw_dev *rtwdev)
rtwdev->sec.total_cam_num = 32;
rtwdev->hal.current_channel = 1;
rtwdev->dm_info.fix_rate = U8_MAX;
set_bit(RTW_BC_MC_MACID, rtwdev->mac_id_map);
rtw_stats_init(rtwdev);

14
drivers/net/wireless/realtek/rtw88/main.h
View File

@ -742,7 +742,6 @@ struct rtw_txq {
unsigned long flags;
};
#define RTW_BC_MC_MACID 1
DECLARE_EWMA(rssi, 10, 16);
struct rtw_sta_info {
@ -805,7 +804,7 @@ struct rtw_bf_info {
struct rtw_vif {
enum rtw_net_type net_type;
u16 aid;
u8 mac_id; /* for STA mode only */
u8 mac_id;
u8 mac_addr[ETH_ALEN];
u8 bssid[ETH_ALEN];
u8 port;
@ -2131,6 +2130,17 @@ static inline bool rtw_chip_has_tx_stbc(struct rtw_dev *rtwdev)
return rtwdev->chip->tx_stbc;
}
static inline u8 rtw_acquire_macid(struct rtw_dev *rtwdev)
{
unsigned long mac_id;
mac_id = find_first_zero_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM);
if (mac_id < RTW_MAX_MAC_ID_NUM)
set_bit(mac_id, rtwdev->mac_id_map);
return mac_id;
}
static inline void rtw_release_macid(struct rtw_dev *rtwdev, u8 mac_id)
{
clear_bit(mac_id, rtwdev->mac_id_map);

11
drivers/net/wireless/realtek/rtw88/tx.c
View File

@ -46,7 +46,8 @@ void rtw_tx_fill_tx_desc(struct rtw_tx_pkt_info *pkt_info, struct sk_buff *skb)
le32_encode_bits(pkt_info->ls, RTW_TX_DESC_W0_LS) |
le32_encode_bits(pkt_info->dis_qselseq, RTW_TX_DESC_W0_DISQSELSEQ);
tx_desc->w1 = le32_encode_bits(pkt_info->qsel, RTW_TX_DESC_W1_QSEL) |
tx_desc->w1 = le32_encode_bits(pkt_info->mac_id, RTW_TX_DESC_W1_MACID) |
le32_encode_bits(pkt_info->qsel, RTW_TX_DESC_W1_QSEL) |
le32_encode_bits(pkt_info->rate_id, RTW_TX_DESC_W1_RATE_ID) |
le32_encode_bits(pkt_info->sec_type, RTW_TX_DESC_W1_SEC_TYPE) |
le32_encode_bits(pkt_info->pkt_offset, RTW_TX_DESC_W1_PKT_OFFSET) |
@ -401,14 +402,18 @@ void rtw_tx_pkt_info_update(struct rtw_dev *rtwdev,
const struct rtw_chip_info *chip = rtwdev->chip;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ieee80211_vif *vif = info->control.vif;
struct rtw_sta_info *si;
struct ieee80211_vif *vif = NULL;
struct rtw_vif *rtwvif;
__le16 fc = hdr->frame_control;
bool bmc;
if (sta) {
si = (struct rtw_sta_info *)sta->drv_priv;
vif = si->vif;
pkt_info->mac_id = si->mac_id;
} else if (vif) {
rtwvif = (struct rtw_vif *)vif->drv_priv;
pkt_info->mac_id = rtwvif->mac_id;
}
if (ieee80211_is_mgmt(fc) || ieee80211_is_nullfunc(fc))

1
drivers/net/wireless/realtek/rtw88/tx.h
View File

@ -27,6 +27,7 @@ struct rtw_tx_desc {
#define RTW_TX_DESC_W0_BMC BIT(24)
#define RTW_TX_DESC_W0_LS BIT(26)
#define RTW_TX_DESC_W0_DISQSELSEQ BIT(31)
#define RTW_TX_DESC_W1_MACID GENMASK(7, 0)
#define RTW_TX_DESC_W1_QSEL GENMASK(12, 8)
#define RTW_TX_DESC_W1_RATE_ID GENMASK(20, 16)
#define RTW_TX_DESC_W1_SEC_TYPE GENMASK(23, 22)