From: Ryder Lee <ryder.lee@mediatek.com> To: Felix Fietkau <nbd@nbd.name>, Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Cc: Shayne Chen <shayne.chen@mediatek.com>, YF Luo <yf.luo@mediatek.com>, Yiwei Chung <yiwei.chung@mediatek.com>, Chih-Min Chen <chih-min.chen@mediatek.com>, Evelyn Tsai <evelyn.tsai@mediatek.com>, Sean Wang <sean.wang@mediatek.com>, <linux-wireless@vger.kernel.org>, <linux-mediatek@lists.infradead.org>, Ryder Lee <ryder.lee@mediatek.com> Subject: [PATCH v2 15/18] mt76: mt7915: set peer Tx fixed rate through debugfs Date: Wed, 15 Apr 2020 05:01:13 +0800 [thread overview] Message-ID: <e05ade2c9eebaf360d3066812771e89132359170.1586895593.git.ryder.lee@mediatek.com> (raw) In-Reply-To: <cover.1586895593.git.ryder.lee@mediatek.com> Driver can manually set fixed rate for each peer through debugfs. May use .set_bitrate_mask callback and iterate stations under the current vif to achieve the aim once it supports HE rate. Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Shayne Chen <shayne.chen@mediatek.com> --- .../wireless/mediatek/mt76/mt7915/debugfs.c | 13 ++++++ .../net/wireless/mediatek/mt76/mt7915/mcu.c | 46 +++++++++++++++++++ .../net/wireless/mediatek/mt76/mt7915/mcu.h | 28 +++++++++++ .../wireless/mediatek/mt76/mt7915/mt7915.h | 2 + 4 files changed, 89 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c index 7f67a1a8013b..cf3b60ded6ef 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c @@ -305,6 +305,18 @@ int mt7915_init_debugfs(struct mt7915_dev *dev) /** per-station debugfs **/ +/* usage: <tx mode> <ldpc> <stbc> <bw> <gi> <nss> <mcs> */ +static int mt7915_sta_fixed_rate_set(void *data, u64 rate) +{ + struct ieee80211_sta *sta = data; + struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; + + return mt7915_mcu_set_fixed_rate(msta->vif->dev, sta, rate); +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_fixed_rate, NULL, + mt7915_sta_fixed_rate_set, "%llx\n"); + static int mt7915_sta_stats_read(struct seq_file *s, void *data) { @@ -365,5 +377,6 @@ static const struct file_operations fops_sta_stats = { void mt7915_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct dentry *dir) { + debugfs_create_file("fixed_rate", 0600, dir, sta, &fops_fixed_rate); debugfs_create_file("stats", 0400, dir, sta, &fops_sta_stats); } diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c index e191c79c250e..32bd9e2c73e3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -1741,6 +1741,52 @@ int mt7915_mcu_add_sta(struct mt7915_dev *dev, struct ieee80211_vif *vif, return 0; } +int mt7915_mcu_set_fixed_rate(struct mt7915_dev *dev, + struct ieee80211_sta *sta, u32 rate) +{ + struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; + struct mt7915_vif *mvif = msta->vif; + struct sta_rec_ra_fixed *ra; + struct sk_buff *skb; + struct tlv *tlv; + + skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, + MT7915_STA_UPDATE_MAX_SIZE); + if (IS_ERR(skb)) + return PTR_ERR(skb); + + tlv = mt7915_mcu_add_tlv(skb, STA_REC_RA_UPDATE, sizeof(*ra)); + ra = (struct sta_rec_ra_fixed *)tlv; + + if (!rate) { + ra->field = cpu_to_le32(RATE_PARAM_AUTO); + goto out; + } else { + ra->field = cpu_to_le32(RATE_PARAM_FIXED); + } + + ra->phy.type = FIELD_GET(RATE_CFG_PHY_TYPE, rate); + ra->phy.bw = FIELD_GET(RATE_CFG_BW, rate); + ra->phy.nss = FIELD_GET(RATE_CFG_NSS, rate); + ra->phy.mcs = FIELD_GET(RATE_CFG_MCS, rate); + ra->phy.stbc = FIELD_GET(RATE_CFG_STBC, rate); + + if (ra->phy.bw) + ra->phy.ldpc = 7; + else + ra->phy.ldpc = FIELD_GET(RATE_CFG_LDPC, rate) * 7; + + /* HT/VHT - SGI: 1, LGI: 0; HE - SGI: 0, MGI: 1, LGI: 2 */ + if (ra->phy.type > MT_PHY_TYPE_VHT) + ra->phy.sgi = ra->phy.mcs * 85; + else + ra->phy.sgi = ra->phy.mcs * 15; + +out: + return __mt76_mcu_skb_send_msg(&dev->mt76, skb, + MCU_EXT_CMD_STA_REC_UPDATE, true); +} + int mt7915_mcu_add_dev_info(struct mt7915_dev *dev, struct ieee80211_vif *vif, bool enable) { diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h index cc0e27730aab..b8d28d971974 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h @@ -803,6 +803,34 @@ struct sta_rec_ra { struct ra_phy phy; } __packed; +struct sta_rec_ra_fixed { + __le16 tag; + __le16 len; + + __le32 field; + u8 op_mode; + u8 op_vht_chan_width; + u8 op_vht_rx_nss; + u8 op_vht_rx_nss_type; + + struct ra_phy phy; + + u8 spe_en; + u8 short_preamble; + u8 is_5g; + u8 mmps_mode; +} __packed; + +#define RATE_PARAM_FIXED 3 +#define RATE_PARAM_AUTO 20 +#define RATE_CFG_MCS GENMASK(3, 0) +#define RATE_CFG_NSS GENMASK(7, 4) +#define RATE_CFG_GI GENMASK(11, 8) +#define RATE_CFG_BW GENMASK(15, 12) +#define RATE_CFG_STBC GENMASK(19, 16) +#define RATE_CFG_LDPC GENMASK(23, 20) +#define RATE_CFG_PHY_TYPE GENMASK(27, 24) + enum { STA_REC_BASIC, STA_REC_RA, diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h index 35e34d270c15..e5821d144c85 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h @@ -303,6 +303,8 @@ int mt7915_mcu_add_smps(struct mt7915_dev *dev, struct ieee80211_vif *vif, struct ieee80211_sta *sta); int mt7915_mcu_set_chan_info(struct mt7915_phy *phy, int cmd); int mt7915_mcu_set_tx(struct mt7915_dev *dev, struct ieee80211_vif *vif); +int mt7915_mcu_set_fixed_rate(struct mt7915_dev *dev, + struct ieee80211_sta *sta, u32 rate); int mt7915_mcu_set_eeprom(struct mt7915_dev *dev); int mt7915_mcu_get_eeprom(struct mt7915_dev *dev, u32 offset); int mt7915_mcu_set_mac(struct mt7915_dev *dev, int band, bool enable, -- 2.18.0
WARNING: multiple messages have this Message-ID (diff)
From: Ryder Lee <ryder.lee@mediatek.com> To: Felix Fietkau <nbd@nbd.name>, Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Cc: YF Luo <yf.luo@mediatek.com>, Evelyn Tsai <evelyn.tsai@mediatek.com>, linux-wireless@vger.kernel.org, Sean Wang <sean.wang@mediatek.com>, Chih-Min Chen <chih-min.chen@mediatek.com>, Ryder Lee <ryder.lee@mediatek.com>, Yiwei Chung <yiwei.chung@mediatek.com>, linux-mediatek@lists.infradead.org, Shayne Chen <shayne.chen@mediatek.com> Subject: [PATCH v2 15/18] mt76: mt7915: set peer Tx fixed rate through debugfs Date: Wed, 15 Apr 2020 05:01:13 +0800 [thread overview] Message-ID: <e05ade2c9eebaf360d3066812771e89132359170.1586895593.git.ryder.lee@mediatek.com> (raw) In-Reply-To: <cover.1586895593.git.ryder.lee@mediatek.com> Driver can manually set fixed rate for each peer through debugfs. May use .set_bitrate_mask callback and iterate stations under the current vif to achieve the aim once it supports HE rate. Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Shayne Chen <shayne.chen@mediatek.com> --- .../wireless/mediatek/mt76/mt7915/debugfs.c | 13 ++++++ .../net/wireless/mediatek/mt76/mt7915/mcu.c | 46 +++++++++++++++++++ .../net/wireless/mediatek/mt76/mt7915/mcu.h | 28 +++++++++++ .../wireless/mediatek/mt76/mt7915/mt7915.h | 2 + 4 files changed, 89 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c index 7f67a1a8013b..cf3b60ded6ef 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c @@ -305,6 +305,18 @@ int mt7915_init_debugfs(struct mt7915_dev *dev) /** per-station debugfs **/ +/* usage: <tx mode> <ldpc> <stbc> <bw> <gi> <nss> <mcs> */ +static int mt7915_sta_fixed_rate_set(void *data, u64 rate) +{ + struct ieee80211_sta *sta = data; + struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; + + return mt7915_mcu_set_fixed_rate(msta->vif->dev, sta, rate); +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_fixed_rate, NULL, + mt7915_sta_fixed_rate_set, "%llx\n"); + static int mt7915_sta_stats_read(struct seq_file *s, void *data) { @@ -365,5 +377,6 @@ static const struct file_operations fops_sta_stats = { void mt7915_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct dentry *dir) { + debugfs_create_file("fixed_rate", 0600, dir, sta, &fops_fixed_rate); debugfs_create_file("stats", 0400, dir, sta, &fops_sta_stats); } diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c index e191c79c250e..32bd9e2c73e3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -1741,6 +1741,52 @@ int mt7915_mcu_add_sta(struct mt7915_dev *dev, struct ieee80211_vif *vif, return 0; } +int mt7915_mcu_set_fixed_rate(struct mt7915_dev *dev, + struct ieee80211_sta *sta, u32 rate) +{ + struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; + struct mt7915_vif *mvif = msta->vif; + struct sta_rec_ra_fixed *ra; + struct sk_buff *skb; + struct tlv *tlv; + + skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, + MT7915_STA_UPDATE_MAX_SIZE); + if (IS_ERR(skb)) + return PTR_ERR(skb); + + tlv = mt7915_mcu_add_tlv(skb, STA_REC_RA_UPDATE, sizeof(*ra)); + ra = (struct sta_rec_ra_fixed *)tlv; + + if (!rate) { + ra->field = cpu_to_le32(RATE_PARAM_AUTO); + goto out; + } else { + ra->field = cpu_to_le32(RATE_PARAM_FIXED); + } + + ra->phy.type = FIELD_GET(RATE_CFG_PHY_TYPE, rate); + ra->phy.bw = FIELD_GET(RATE_CFG_BW, rate); + ra->phy.nss = FIELD_GET(RATE_CFG_NSS, rate); + ra->phy.mcs = FIELD_GET(RATE_CFG_MCS, rate); + ra->phy.stbc = FIELD_GET(RATE_CFG_STBC, rate); + + if (ra->phy.bw) + ra->phy.ldpc = 7; + else + ra->phy.ldpc = FIELD_GET(RATE_CFG_LDPC, rate) * 7; + + /* HT/VHT - SGI: 1, LGI: 0; HE - SGI: 0, MGI: 1, LGI: 2 */ + if (ra->phy.type > MT_PHY_TYPE_VHT) + ra->phy.sgi = ra->phy.mcs * 85; + else + ra->phy.sgi = ra->phy.mcs * 15; + +out: + return __mt76_mcu_skb_send_msg(&dev->mt76, skb, + MCU_EXT_CMD_STA_REC_UPDATE, true); +} + int mt7915_mcu_add_dev_info(struct mt7915_dev *dev, struct ieee80211_vif *vif, bool enable) { diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h index cc0e27730aab..b8d28d971974 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h @@ -803,6 +803,34 @@ struct sta_rec_ra { struct ra_phy phy; } __packed; +struct sta_rec_ra_fixed { + __le16 tag; + __le16 len; + + __le32 field; + u8 op_mode; + u8 op_vht_chan_width; + u8 op_vht_rx_nss; + u8 op_vht_rx_nss_type; + + struct ra_phy phy; + + u8 spe_en; + u8 short_preamble; + u8 is_5g; + u8 mmps_mode; +} __packed; + +#define RATE_PARAM_FIXED 3 +#define RATE_PARAM_AUTO 20 +#define RATE_CFG_MCS GENMASK(3, 0) +#define RATE_CFG_NSS GENMASK(7, 4) +#define RATE_CFG_GI GENMASK(11, 8) +#define RATE_CFG_BW GENMASK(15, 12) +#define RATE_CFG_STBC GENMASK(19, 16) +#define RATE_CFG_LDPC GENMASK(23, 20) +#define RATE_CFG_PHY_TYPE GENMASK(27, 24) + enum { STA_REC_BASIC, STA_REC_RA, diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h index 35e34d270c15..e5821d144c85 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h @@ -303,6 +303,8 @@ int mt7915_mcu_add_smps(struct mt7915_dev *dev, struct ieee80211_vif *vif, struct ieee80211_sta *sta); int mt7915_mcu_set_chan_info(struct mt7915_phy *phy, int cmd); int mt7915_mcu_set_tx(struct mt7915_dev *dev, struct ieee80211_vif *vif); +int mt7915_mcu_set_fixed_rate(struct mt7915_dev *dev, + struct ieee80211_sta *sta, u32 rate); int mt7915_mcu_set_eeprom(struct mt7915_dev *dev); int mt7915_mcu_get_eeprom(struct mt7915_dev *dev, u32 offset); int mt7915_mcu_set_mac(struct mt7915_dev *dev, int band, bool enable, -- 2.18.0 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek
next prev parent reply other threads:[~2020-04-14 21:03 UTC|newest] Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-04-14 21:00 [PATCH v2 00/18] Add MediaTek IEEE 802.11ax devices - MT7915E Ryder Lee 2020-04-14 21:00 ` Ryder Lee 2020-04-14 21:00 ` [PATCH v2 01/18] mt76: avoid rx reorder buffer overflow Ryder Lee 2020-04-14 21:00 ` Ryder Lee 2020-04-14 21:01 ` [PATCH v2 02/18] mt76: add support for HE RX rate reporting Ryder Lee 2020-04-14 21:01 ` Ryder Lee 2020-04-14 21:01 ` [PATCH v2 03/18] mt76: add Rx stats support for radiotap Ryder Lee 2020-04-14 21:01 ` Ryder Lee 2020-04-14 21:01 ` [PATCH v2 04/18] mt76: adjust wcid size to support new 802.11ax generation Ryder Lee 2020-04-14 21:01 ` Ryder Lee 2020-04-14 21:01 ` [PATCH v2 05/18] mt76: add HE phy modes and hardware queue Ryder Lee 2020-04-14 21:01 ` Ryder Lee 2020-04-14 21:01 ` [PATCH v2 06/18] mt76: add mac80211 driver for MT7915 PCIe-based chipsets Ryder Lee 2020-04-14 21:01 ` Ryder Lee 2020-04-14 21:01 ` [PATCH v2 07/18] mt76: mt7915: enable Rx HE rate reporting Ryder Lee 2020-04-14 21:01 ` Ryder Lee 2020-04-14 21:01 ` [PATCH v2 08/18] mt76: mt7915: implement HE per-rate tx power support Ryder Lee 2020-04-14 21:01 ` Ryder Lee 2020-04-14 21:01 ` [PATCH v2 09/18] mt76: mt7915: register per-phy HE capabilities for each interface Ryder Lee 2020-04-14 21:01 ` Ryder Lee 2020-04-14 21:01 ` [PATCH v2 10/18] mt76: mt7915: add HE bss_conf support for interfaces Ryder Lee 2020-04-14 21:01 ` Ryder Lee 2020-04-14 21:01 ` [PATCH v2 11/18] mt76: mt7915: add HE capabilities support for peers Ryder Lee 2020-04-14 21:01 ` Ryder Lee 2020-04-14 21:01 ` [PATCH v2 12/18] mt76: mt7915: add Rx radiotap header support Ryder Lee 2020-04-14 21:01 ` Ryder Lee 2020-04-14 21:01 ` [PATCH v2 13/18] mt76: mt7915: add .sta_add_debugfs support Ryder Lee 2020-04-14 21:01 ` Ryder Lee 2020-04-14 21:01 ` [PATCH v2 14/18] mt76: mt7915: add .sta_statistics support Ryder Lee 2020-04-14 21:01 ` Ryder Lee 2020-04-14 21:01 ` Ryder Lee [this message] 2020-04-14 21:01 ` [PATCH v2 15/18] mt76: mt7915: set peer Tx fixed rate through debugfs Ryder Lee 2020-04-14 21:01 ` [PATCH v2 16/18] mt76: mt7915: add tsf related callbacks Ryder Lee 2020-04-14 21:01 ` Ryder Lee 2020-04-14 21:01 ` [PATCH v2 17/18] mt76: mt7915: enable firmware module debug support Ryder Lee 2020-04-14 21:01 ` Ryder Lee 2020-04-14 21:01 ` [PATCH v2 18/18] mt76: set runtime stream caps by mt76_phy Ryder Lee 2020-04-14 21:01 ` Ryder Lee
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