From: <sean.wang@mediatek.com>
To: <nbd@nbd.name>, <lorenzo.bianconi@redhat.com>
Cc: <sean.wang@mediatek.com>, <Soul.Huang@mediatek.com>,
<YN.Chen@mediatek.com>, <Leon.Yen@mediatek.com>,
<Eric-SY.Chang@mediatek.com>, <Deren.Wu@mediatek.com>,
<km.lin@mediatek.com>, <robin.chiu@mediatek.com>,
<Eddie.Chen@mediatek.com>, <ch.yeh@mediatek.com>,
<posh.sun@mediatek.com>, <ted.huang@mediatek.com>,
<Eric.Liang@mediatek.com>, <Stella.Chang@mediatek.com>,
<steve.lee@mediatek.com>, <jemele@google.com>,
<shawnku@google.com>, <linux-wireless@vger.kernel.org>,
<linux-mediatek@lists.infradead.org>
Subject: [PATCH v1 03/16] mt76: mt7921: refactor mcu.c to be bus independent
Date: Wed, 15 Sep 2021 09:14:36 +0800 [thread overview]
Message-ID: <37519dafa02723a1fff0ccaea73c8b4f860cad7b.1631667941.git.objelf@gmail.com> (raw)
In-Reply-To: <cover.1631667941.git.objelf@gmail.com>
From: Sean Wang <sean.wang@mediatek.com>
This is a preliminary patch to introduce mt7921s support.
Make mcu.c reusable between mt7921s and mt7921e
Tested-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
---
.../wireless/mediatek/mt76/mt7921/Makefile | 3 +-
.../net/wireless/mediatek/mt76/mt7921/init.c | 1 +
.../net/wireless/mediatek/mt76/mt7921/mac.c | 5 +-
.../net/wireless/mediatek/mt76/mt7921/mcu.c | 90 ++---------------
.../wireless/mediatek/mt76/mt7921/mt7921.h | 18 +++-
.../net/wireless/mediatek/mt76/mt7921/pci.c | 3 +
.../wireless/mediatek/mt76/mt7921/pci_mac.c | 2 +
.../wireless/mediatek/mt76/mt7921/pci_mcu.c | 97 +++++++++++++++++++
.../wireless/mediatek/mt76/mt7921/testmode.c | 2 +-
9 files changed, 129 insertions(+), 92 deletions(-)
create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/pci_mcu.c
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/Makefile b/drivers/net/wireless/mediatek/mt76/mt7921/Makefile
index 554202358470..4cb0b000cfe1 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/Makefile
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/Makefile
@@ -4,5 +4,6 @@ obj-$(CONFIG_MT7921E) += mt7921e.o
CFLAGS_trace.o := -I$(src)
-mt7921e-y := pci.o pci_mac.o mac.o mcu.o dma.o eeprom.o main.o init.o debugfs.o trace.o
+mt7921e-y := pci.o pci_mac.o pci_mcu.o mac.o mcu.o dma.o eeprom.o main.o \
+ init.o debugfs.o trace.o
mt7921e-$(CONFIG_NL80211_TESTMODE) += testmode.o
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
index 97b931ea07c1..7c7a26102e11 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
@@ -304,6 +304,7 @@ void mt7921_unregister_device(struct mt7921_dev *dev)
mt7921_tx_token_put(dev);
mt7921_mcu_drv_pmctrl(dev);
mt7921_dma_cleanup(dev);
+ mt7921_wfsys_reset(dev);
mt7921_mcu_exit(dev);
mt7921_mcu_fw_pmctrl(dev);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
index 580a88b7841e..c26d986e08e6 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
@@ -1282,12 +1282,9 @@ void mt7921_mac_reset_work(struct work_struct *work)
cancel_work_sync(&pm->wake_work);
mutex_lock(&dev->mt76.mutex);
- for (i = 0; i < 10; i++) {
- __mt7921_mcu_drv_pmctrl(dev);
-
+ for (i = 0; i < 10; i++)
if (!mt7921_dev_reset(dev))
break;
- }
mutex_unlock(&dev->mt76.mutex);
if (i == 10)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
index 6ba431347b3b..0648443eb283 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
@@ -160,7 +160,7 @@ mt7921_mcu_parse_eeprom(struct mt76_dev *dev, struct sk_buff *skb)
return 0;
}
-static int
+int
mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd,
struct sk_buff *skb, int seq)
{
@@ -224,7 +224,7 @@ mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd,
return ret;
}
-static int
+int
mt7921_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
int cmd, int *wait_seq)
{
@@ -590,7 +590,7 @@ int mt7921_mcu_uni_rx_ba(struct mt7921_dev *dev,
enable, false);
}
-static int mt7921_mcu_restart(struct mt76_dev *dev)
+int mt7921_mcu_restart(struct mt76_dev *dev)
{
struct {
u8 power_mode;
@@ -603,20 +603,6 @@ static int mt7921_mcu_restart(struct mt76_dev *dev)
sizeof(req), false);
}
-static int mt7921_driver_own(struct mt7921_dev *dev)
-{
- u32 reg = mt7921_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0);
-
- mt76_wr(dev, reg, MT_TOP_LPCR_HOST_DRV_OWN);
- if (!mt76_poll_msec(dev, reg, MT_TOP_LPCR_HOST_FW_OWN,
- 0, 500)) {
- dev_err(dev->mt76.dev, "Timeout for driver own\n");
- return -EIO;
- }
-
- return 0;
-}
-
static u32 mt7921_get_data_mode(struct mt7921_dev *dev, u32 info)
{
u32 mode = DL_MODE_NEED_RSP;
@@ -883,7 +869,6 @@ static int mt7921_load_firmware(struct mt7921_dev *dev)
}
fw_loaded:
- mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_FWDL], false);
#ifdef CONFIG_PM
dev->mt76.hw->wiphy->wowlan = &mt76_connac_wowlan_support;
@@ -911,10 +896,6 @@ int mt7921_run_firmware(struct mt7921_dev *dev)
{
int err;
- err = mt7921_driver_own(dev);
- if (err)
- return err;
-
err = mt7921_load_firmware(dev);
if (err)
return err;
@@ -925,23 +906,8 @@ int mt7921_run_firmware(struct mt7921_dev *dev)
return mt76_connac_mcu_get_nic_capability(&dev->mphy);
}
-int mt7921_mcu_init(struct mt7921_dev *dev)
-{
- static const struct mt76_mcu_ops mt7921_mcu_ops = {
- .headroom = sizeof(struct mt7921_mcu_txd),
- .mcu_skb_send_msg = mt7921_mcu_send_message,
- .mcu_parse_response = mt7921_mcu_parse_response,
- .mcu_restart = mt7921_mcu_restart,
- };
-
- dev->mt76.mcu_ops = &mt7921_mcu_ops;
-
- return mt7921_run_firmware(dev);
-}
-
void mt7921_mcu_exit(struct mt7921_dev *dev)
{
- mt7921_wfsys_reset(dev);
skb_queue_purge(&dev->mt76.mcu.res_q);
}
@@ -1231,35 +1197,6 @@ int mt7921_mcu_sta_update(struct mt7921_dev *dev, struct ieee80211_sta *sta,
return mt76_connac_mcu_sta_cmd(&dev->mphy, &info);
}
-int __mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev)
-{
- struct mt76_phy *mphy = &dev->mt76.phy;
- struct mt76_connac_pm *pm = &dev->pm;
- int i, err = 0;
-
- for (i = 0; i < MT7921_DRV_OWN_RETRY_COUNT; i++) {
- mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_CLR_OWN);
- if (mt76_poll_msec(dev, MT_CONN_ON_LPCTL,
- PCIE_LPCR_HOST_OWN_SYNC, 0, 50))
- break;
- }
-
- if (i == MT7921_DRV_OWN_RETRY_COUNT) {
- dev_err(dev->mt76.dev, "driver own failed\n");
- err = -EIO;
- goto out;
- }
-
- mt7921_wpdma_reinit_cond(dev);
- clear_bit(MT76_STATE_PM, &mphy->state);
-
- pm->stats.last_wake_event = jiffies;
- pm->stats.doze_time += pm->stats.last_wake_event -
- pm->stats.last_doze_event;
-out:
- return err;
-}
-
int mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev)
{
struct mt76_phy *mphy = &dev->mt76.phy;
@@ -1271,7 +1208,7 @@ int mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev)
if (!test_bit(MT76_STATE_PM, &mphy->state))
goto out;
- err = __mt7921_mcu_drv_pmctrl(dev);
+ err = mt7921_drv_own(dev);
out:
mutex_unlock(&pm->mutex);
@@ -1285,29 +1222,14 @@ int mt7921_mcu_fw_pmctrl(struct mt7921_dev *dev)
{
struct mt76_phy *mphy = &dev->mt76.phy;
struct mt76_connac_pm *pm = &dev->pm;
- int i, err = 0;
+ int err = 0;
mutex_lock(&pm->mutex);
if (mt76_connac_skip_fw_pmctrl(mphy, pm))
goto out;
- for (i = 0; i < MT7921_DRV_OWN_RETRY_COUNT; i++) {
- mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_SET_OWN);
- if (mt76_poll_msec(dev, MT_CONN_ON_LPCTL,
- PCIE_LPCR_HOST_OWN_SYNC, 4, 50))
- break;
- }
-
- if (i == MT7921_DRV_OWN_RETRY_COUNT) {
- dev_err(dev->mt76.dev, "firmware own failed\n");
- clear_bit(MT76_STATE_PM, &mphy->state);
- err = -EIO;
- }
-
- pm->stats.last_doze_event = jiffies;
- pm->stats.awake_time += pm->stats.last_doze_event -
- pm->stats.last_wake_event;
+ err = mt7921_fw_own(dev);
out:
mutex_unlock(&pm->mutex);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
index 4c1c7c4eafac..dbace154bfa5 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
@@ -134,8 +134,14 @@ struct mt7921_phy {
};
#define mt7921_dev_reset(dev) ((dev)->hif_ops->reset(dev))
+#define mt7921_mcu_init(dev) ((dev)->hif_ops->mcu_init(dev))
+#define mt7921_drv_own(dev) ((dev)->hif_ops->drv_own(dev))
+#define mt7921_fw_own(dev) ((dev)->hif_ops->fw_own(dev))
struct mt7921_hif_ops {
int (*reset)(struct mt7921_dev *dev);
+ int (*mcu_init)(struct mt7921_dev *dev);
+ int (*drv_own)(struct mt7921_dev *dev);
+ int (*fw_own)(struct mt7921_dev *dev);
};
struct mt7921_dev {
@@ -250,7 +256,6 @@ int mt7921_wpdma_reset(struct mt7921_dev *dev, bool force);
int mt7921_wpdma_reinit_cond(struct mt7921_dev *dev);
void mt7921_dma_cleanup(struct mt7921_dev *dev);
int mt7921_run_firmware(struct mt7921_dev *dev);
-int mt7921_mcu_init(struct mt7921_dev *dev);
int mt7921_mcu_add_key(struct mt7921_dev *dev, struct ieee80211_vif *vif,
struct mt7921_sta *msta, struct ieee80211_key_conf *key,
enum set_key_cmd cmd);
@@ -359,7 +364,6 @@ int mt7921_mcu_uni_rx_ba(struct mt7921_dev *dev,
bool enable);
void mt7921_scan_work(struct work_struct *work);
int mt7921_mcu_uni_bss_ps(struct mt7921_dev *dev, struct ieee80211_vif *vif);
-int __mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev);
int mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev);
int mt7921_mcu_fw_pmctrl(struct mt7921_dev *dev);
void mt7921_pm_wake_work(struct work_struct *work);
@@ -378,7 +382,17 @@ void mt7921_mac_write_txwi(struct mt7921_dev *dev, __le32 *txwi,
bool beacon);
void mt7921_tx_check_aggr(struct ieee80211_sta *sta, __le32 *txwi);
void mt7921_mac_sta_poll(struct mt7921_dev *dev);
+int mt7921_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
+ int cmd, int *wait_seq);
+int mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd,
+ struct sk_buff *skb, int seq);
+int mt7921_mcu_restart(struct mt76_dev *dev);
+
void mt7921e_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
struct sk_buff *skb);
int mt7921e_mac_reset(struct mt7921_dev *dev);
+int mt7921e_mcu_init(struct mt7921_dev *dev);
+int mt7921e_mcu_drv_pmctrl(struct mt7921_dev *dev);
+int mt7921e_mcu_fw_pmctrl(struct mt7921_dev *dev);
+
#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
index b01b9b7c42b4..b16bcee08cd7 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
@@ -117,6 +117,9 @@ static int mt7921_pci_probe(struct pci_dev *pdev,
static const struct mt7921_hif_ops mt7921_pcie_ops = {
.reset = mt7921e_mac_reset,
+ .mcu_init = mt7921e_mcu_init,
+ .drv_own = mt7921e_mcu_drv_pmctrl,
+ .fw_own = mt7921e_mcu_fw_pmctrl,
};
struct mt7921_dev *dev;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c
index f211dafa311c..f0734be57dce 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c
@@ -286,6 +286,8 @@ mt7921e_mac_reset(struct mt7921_dev *dev)
{
int i, err;
+ mt7921e_mcu_drv_pmctrl(dev);
+
mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
mt76_wr(dev, MT_WFDMA0_HOST_INT_ENA, 0);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci_mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/pci_mcu.c
new file mode 100644
index 000000000000..9ac3bc25f067
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci_mcu.c
@@ -0,0 +1,97 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2021 MediaTek Inc. */
+
+#include "mt7921.h"
+#include "mcu.h"
+
+static int mt7921e_driver_own(struct mt7921_dev *dev)
+{
+ u32 reg = mt7921_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0);
+
+ mt76_wr(dev, reg, MT_TOP_LPCR_HOST_DRV_OWN);
+ if (!mt76_poll_msec(dev, reg, MT_TOP_LPCR_HOST_FW_OWN,
+ 0, 500)) {
+ dev_err(dev->mt76.dev, "Timeout for driver own\n");
+ return -EIO;
+ }
+
+ return 0;
+}
+
+int mt7921e_mcu_init(struct mt7921_dev *dev)
+{
+ static const struct mt76_mcu_ops mt7921_mcu_ops = {
+ .headroom = sizeof(struct mt7921_mcu_txd),
+ .mcu_skb_send_msg = mt7921_mcu_send_message,
+ .mcu_parse_response = mt7921_mcu_parse_response,
+ .mcu_restart = mt7921_mcu_restart,
+ };
+ int err;
+
+ dev->mt76.mcu_ops = &mt7921_mcu_ops;
+
+ err = mt7921e_driver_own(dev);
+ if (err)
+ return err;
+
+ err = mt7921_run_firmware(dev);
+
+ mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_FWDL], false);
+
+ return err;
+}
+
+int mt7921e_mcu_drv_pmctrl(struct mt7921_dev *dev)
+{
+ struct mt76_phy *mphy = &dev->mt76.phy;
+ struct mt76_connac_pm *pm = &dev->pm;
+ int i, err = 0;
+
+ for (i = 0; i < MT7921_DRV_OWN_RETRY_COUNT; i++) {
+ mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_CLR_OWN);
+ if (mt76_poll_msec(dev, MT_CONN_ON_LPCTL,
+ PCIE_LPCR_HOST_OWN_SYNC, 0, 50))
+ break;
+ }
+
+ if (i == MT7921_DRV_OWN_RETRY_COUNT) {
+ dev_err(dev->mt76.dev, "driver own failed\n");
+ err = -EIO;
+ goto out;
+ }
+
+ mt7921_wpdma_reinit_cond(dev);
+ clear_bit(MT76_STATE_PM, &mphy->state);
+
+ pm->stats.last_wake_event = jiffies;
+ pm->stats.doze_time += pm->stats.last_wake_event -
+ pm->stats.last_doze_event;
+out:
+ return err;
+}
+
+int mt7921e_mcu_fw_pmctrl(struct mt7921_dev *dev)
+{
+ struct mt76_phy *mphy = &dev->mt76.phy;
+ struct mt76_connac_pm *pm = &dev->pm;
+ int i, err = 0;
+
+ for (i = 0; i < MT7921_DRV_OWN_RETRY_COUNT; i++) {
+ mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_SET_OWN);
+ if (mt76_poll_msec(dev, MT_CONN_ON_LPCTL,
+ PCIE_LPCR_HOST_OWN_SYNC, 4, 50))
+ break;
+ }
+
+ if (i == MT7921_DRV_OWN_RETRY_COUNT) {
+ dev_err(dev->mt76.dev, "firmware own failed\n");
+ clear_bit(MT76_STATE_PM, &mphy->state);
+ err = -EIO;
+ }
+
+ pm->stats.last_doze_event = jiffies;
+ pm->stats.awake_time += pm->stats.last_doze_event -
+ pm->stats.last_wake_event;
+
+ return err;
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/testmode.c b/drivers/net/wireless/mediatek/mt76/mt7921/testmode.c
index 8bd43879dd6f..d22bbd9da58f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/testmode.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/testmode.c
@@ -57,7 +57,7 @@ mt7921_tm_set(struct mt7921_dev *dev, struct mt7921_tm_cmd *req)
pm->enable = false;
cancel_delayed_work_sync(&pm->ps_work);
cancel_work_sync(&pm->wake_work);
- __mt7921_mcu_drv_pmctrl(dev);
+ mt7921_drv_own(dev);
mt76_wr(dev, MT_WF_RFCR(0), dev->mt76.rxfilter);
phy->test.state = MT76_TM_STATE_ON;
--
2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: <sean.wang@mediatek.com>
To: <nbd@nbd.name>, <lorenzo.bianconi@redhat.com>
Cc: <sean.wang@mediatek.com>, <Soul.Huang@mediatek.com>,
<YN.Chen@mediatek.com>, <Leon.Yen@mediatek.com>,
<Eric-SY.Chang@mediatek.com>, <Deren.Wu@mediatek.com>,
<km.lin@mediatek.com>, <robin.chiu@mediatek.com>,
<Eddie.Chen@mediatek.com>, <ch.yeh@mediatek.com>,
<posh.sun@mediatek.com>, <ted.huang@mediatek.com>,
<Eric.Liang@mediatek.com>, <Stella.Chang@mediatek.com>,
<steve.lee@mediatek.com>, <jemele@google.com>,
<shawnku@google.com>, <linux-wireless@vger.kernel.org>,
<linux-mediatek@lists.infradead.org>
Subject: [PATCH v1 03/16] mt76: mt7921: refactor mcu.c to be bus independent
Date: Wed, 15 Sep 2021 09:14:36 +0800 [thread overview]
Message-ID: <37519dafa02723a1fff0ccaea73c8b4f860cad7b.1631667941.git.objelf@gmail.com> (raw)
In-Reply-To: <cover.1631667941.git.objelf@gmail.com>
From: Sean Wang <sean.wang@mediatek.com>
This is a preliminary patch to introduce mt7921s support.
Make mcu.c reusable between mt7921s and mt7921e
Tested-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
---
.../wireless/mediatek/mt76/mt7921/Makefile | 3 +-
.../net/wireless/mediatek/mt76/mt7921/init.c | 1 +
.../net/wireless/mediatek/mt76/mt7921/mac.c | 5 +-
.../net/wireless/mediatek/mt76/mt7921/mcu.c | 90 ++---------------
.../wireless/mediatek/mt76/mt7921/mt7921.h | 18 +++-
.../net/wireless/mediatek/mt76/mt7921/pci.c | 3 +
.../wireless/mediatek/mt76/mt7921/pci_mac.c | 2 +
.../wireless/mediatek/mt76/mt7921/pci_mcu.c | 97 +++++++++++++++++++
.../wireless/mediatek/mt76/mt7921/testmode.c | 2 +-
9 files changed, 129 insertions(+), 92 deletions(-)
create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/pci_mcu.c
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/Makefile b/drivers/net/wireless/mediatek/mt76/mt7921/Makefile
index 554202358470..4cb0b000cfe1 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/Makefile
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/Makefile
@@ -4,5 +4,6 @@ obj-$(CONFIG_MT7921E) += mt7921e.o
CFLAGS_trace.o := -I$(src)
-mt7921e-y := pci.o pci_mac.o mac.o mcu.o dma.o eeprom.o main.o init.o debugfs.o trace.o
+mt7921e-y := pci.o pci_mac.o pci_mcu.o mac.o mcu.o dma.o eeprom.o main.o \
+ init.o debugfs.o trace.o
mt7921e-$(CONFIG_NL80211_TESTMODE) += testmode.o
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
index 97b931ea07c1..7c7a26102e11 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
@@ -304,6 +304,7 @@ void mt7921_unregister_device(struct mt7921_dev *dev)
mt7921_tx_token_put(dev);
mt7921_mcu_drv_pmctrl(dev);
mt7921_dma_cleanup(dev);
+ mt7921_wfsys_reset(dev);
mt7921_mcu_exit(dev);
mt7921_mcu_fw_pmctrl(dev);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
index 580a88b7841e..c26d986e08e6 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
@@ -1282,12 +1282,9 @@ void mt7921_mac_reset_work(struct work_struct *work)
cancel_work_sync(&pm->wake_work);
mutex_lock(&dev->mt76.mutex);
- for (i = 0; i < 10; i++) {
- __mt7921_mcu_drv_pmctrl(dev);
-
+ for (i = 0; i < 10; i++)
if (!mt7921_dev_reset(dev))
break;
- }
mutex_unlock(&dev->mt76.mutex);
if (i == 10)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
index 6ba431347b3b..0648443eb283 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
@@ -160,7 +160,7 @@ mt7921_mcu_parse_eeprom(struct mt76_dev *dev, struct sk_buff *skb)
return 0;
}
-static int
+int
mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd,
struct sk_buff *skb, int seq)
{
@@ -224,7 +224,7 @@ mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd,
return ret;
}
-static int
+int
mt7921_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
int cmd, int *wait_seq)
{
@@ -590,7 +590,7 @@ int mt7921_mcu_uni_rx_ba(struct mt7921_dev *dev,
enable, false);
}
-static int mt7921_mcu_restart(struct mt76_dev *dev)
+int mt7921_mcu_restart(struct mt76_dev *dev)
{
struct {
u8 power_mode;
@@ -603,20 +603,6 @@ static int mt7921_mcu_restart(struct mt76_dev *dev)
sizeof(req), false);
}
-static int mt7921_driver_own(struct mt7921_dev *dev)
-{
- u32 reg = mt7921_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0);
-
- mt76_wr(dev, reg, MT_TOP_LPCR_HOST_DRV_OWN);
- if (!mt76_poll_msec(dev, reg, MT_TOP_LPCR_HOST_FW_OWN,
- 0, 500)) {
- dev_err(dev->mt76.dev, "Timeout for driver own\n");
- return -EIO;
- }
-
- return 0;
-}
-
static u32 mt7921_get_data_mode(struct mt7921_dev *dev, u32 info)
{
u32 mode = DL_MODE_NEED_RSP;
@@ -883,7 +869,6 @@ static int mt7921_load_firmware(struct mt7921_dev *dev)
}
fw_loaded:
- mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_FWDL], false);
#ifdef CONFIG_PM
dev->mt76.hw->wiphy->wowlan = &mt76_connac_wowlan_support;
@@ -911,10 +896,6 @@ int mt7921_run_firmware(struct mt7921_dev *dev)
{
int err;
- err = mt7921_driver_own(dev);
- if (err)
- return err;
-
err = mt7921_load_firmware(dev);
if (err)
return err;
@@ -925,23 +906,8 @@ int mt7921_run_firmware(struct mt7921_dev *dev)
return mt76_connac_mcu_get_nic_capability(&dev->mphy);
}
-int mt7921_mcu_init(struct mt7921_dev *dev)
-{
- static const struct mt76_mcu_ops mt7921_mcu_ops = {
- .headroom = sizeof(struct mt7921_mcu_txd),
- .mcu_skb_send_msg = mt7921_mcu_send_message,
- .mcu_parse_response = mt7921_mcu_parse_response,
- .mcu_restart = mt7921_mcu_restart,
- };
-
- dev->mt76.mcu_ops = &mt7921_mcu_ops;
-
- return mt7921_run_firmware(dev);
-}
-
void mt7921_mcu_exit(struct mt7921_dev *dev)
{
- mt7921_wfsys_reset(dev);
skb_queue_purge(&dev->mt76.mcu.res_q);
}
@@ -1231,35 +1197,6 @@ int mt7921_mcu_sta_update(struct mt7921_dev *dev, struct ieee80211_sta *sta,
return mt76_connac_mcu_sta_cmd(&dev->mphy, &info);
}
-int __mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev)
-{
- struct mt76_phy *mphy = &dev->mt76.phy;
- struct mt76_connac_pm *pm = &dev->pm;
- int i, err = 0;
-
- for (i = 0; i < MT7921_DRV_OWN_RETRY_COUNT; i++) {
- mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_CLR_OWN);
- if (mt76_poll_msec(dev, MT_CONN_ON_LPCTL,
- PCIE_LPCR_HOST_OWN_SYNC, 0, 50))
- break;
- }
-
- if (i == MT7921_DRV_OWN_RETRY_COUNT) {
- dev_err(dev->mt76.dev, "driver own failed\n");
- err = -EIO;
- goto out;
- }
-
- mt7921_wpdma_reinit_cond(dev);
- clear_bit(MT76_STATE_PM, &mphy->state);
-
- pm->stats.last_wake_event = jiffies;
- pm->stats.doze_time += pm->stats.last_wake_event -
- pm->stats.last_doze_event;
-out:
- return err;
-}
-
int mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev)
{
struct mt76_phy *mphy = &dev->mt76.phy;
@@ -1271,7 +1208,7 @@ int mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev)
if (!test_bit(MT76_STATE_PM, &mphy->state))
goto out;
- err = __mt7921_mcu_drv_pmctrl(dev);
+ err = mt7921_drv_own(dev);
out:
mutex_unlock(&pm->mutex);
@@ -1285,29 +1222,14 @@ int mt7921_mcu_fw_pmctrl(struct mt7921_dev *dev)
{
struct mt76_phy *mphy = &dev->mt76.phy;
struct mt76_connac_pm *pm = &dev->pm;
- int i, err = 0;
+ int err = 0;
mutex_lock(&pm->mutex);
if (mt76_connac_skip_fw_pmctrl(mphy, pm))
goto out;
- for (i = 0; i < MT7921_DRV_OWN_RETRY_COUNT; i++) {
- mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_SET_OWN);
- if (mt76_poll_msec(dev, MT_CONN_ON_LPCTL,
- PCIE_LPCR_HOST_OWN_SYNC, 4, 50))
- break;
- }
-
- if (i == MT7921_DRV_OWN_RETRY_COUNT) {
- dev_err(dev->mt76.dev, "firmware own failed\n");
- clear_bit(MT76_STATE_PM, &mphy->state);
- err = -EIO;
- }
-
- pm->stats.last_doze_event = jiffies;
- pm->stats.awake_time += pm->stats.last_doze_event -
- pm->stats.last_wake_event;
+ err = mt7921_fw_own(dev);
out:
mutex_unlock(&pm->mutex);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
index 4c1c7c4eafac..dbace154bfa5 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
@@ -134,8 +134,14 @@ struct mt7921_phy {
};
#define mt7921_dev_reset(dev) ((dev)->hif_ops->reset(dev))
+#define mt7921_mcu_init(dev) ((dev)->hif_ops->mcu_init(dev))
+#define mt7921_drv_own(dev) ((dev)->hif_ops->drv_own(dev))
+#define mt7921_fw_own(dev) ((dev)->hif_ops->fw_own(dev))
struct mt7921_hif_ops {
int (*reset)(struct mt7921_dev *dev);
+ int (*mcu_init)(struct mt7921_dev *dev);
+ int (*drv_own)(struct mt7921_dev *dev);
+ int (*fw_own)(struct mt7921_dev *dev);
};
struct mt7921_dev {
@@ -250,7 +256,6 @@ int mt7921_wpdma_reset(struct mt7921_dev *dev, bool force);
int mt7921_wpdma_reinit_cond(struct mt7921_dev *dev);
void mt7921_dma_cleanup(struct mt7921_dev *dev);
int mt7921_run_firmware(struct mt7921_dev *dev);
-int mt7921_mcu_init(struct mt7921_dev *dev);
int mt7921_mcu_add_key(struct mt7921_dev *dev, struct ieee80211_vif *vif,
struct mt7921_sta *msta, struct ieee80211_key_conf *key,
enum set_key_cmd cmd);
@@ -359,7 +364,6 @@ int mt7921_mcu_uni_rx_ba(struct mt7921_dev *dev,
bool enable);
void mt7921_scan_work(struct work_struct *work);
int mt7921_mcu_uni_bss_ps(struct mt7921_dev *dev, struct ieee80211_vif *vif);
-int __mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev);
int mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev);
int mt7921_mcu_fw_pmctrl(struct mt7921_dev *dev);
void mt7921_pm_wake_work(struct work_struct *work);
@@ -378,7 +382,17 @@ void mt7921_mac_write_txwi(struct mt7921_dev *dev, __le32 *txwi,
bool beacon);
void mt7921_tx_check_aggr(struct ieee80211_sta *sta, __le32 *txwi);
void mt7921_mac_sta_poll(struct mt7921_dev *dev);
+int mt7921_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
+ int cmd, int *wait_seq);
+int mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd,
+ struct sk_buff *skb, int seq);
+int mt7921_mcu_restart(struct mt76_dev *dev);
+
void mt7921e_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
struct sk_buff *skb);
int mt7921e_mac_reset(struct mt7921_dev *dev);
+int mt7921e_mcu_init(struct mt7921_dev *dev);
+int mt7921e_mcu_drv_pmctrl(struct mt7921_dev *dev);
+int mt7921e_mcu_fw_pmctrl(struct mt7921_dev *dev);
+
#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
index b01b9b7c42b4..b16bcee08cd7 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
@@ -117,6 +117,9 @@ static int mt7921_pci_probe(struct pci_dev *pdev,
static const struct mt7921_hif_ops mt7921_pcie_ops = {
.reset = mt7921e_mac_reset,
+ .mcu_init = mt7921e_mcu_init,
+ .drv_own = mt7921e_mcu_drv_pmctrl,
+ .fw_own = mt7921e_mcu_fw_pmctrl,
};
struct mt7921_dev *dev;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c
index f211dafa311c..f0734be57dce 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c
@@ -286,6 +286,8 @@ mt7921e_mac_reset(struct mt7921_dev *dev)
{
int i, err;
+ mt7921e_mcu_drv_pmctrl(dev);
+
mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
mt76_wr(dev, MT_WFDMA0_HOST_INT_ENA, 0);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci_mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/pci_mcu.c
new file mode 100644
index 000000000000..9ac3bc25f067
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci_mcu.c
@@ -0,0 +1,97 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2021 MediaTek Inc. */
+
+#include "mt7921.h"
+#include "mcu.h"
+
+static int mt7921e_driver_own(struct mt7921_dev *dev)
+{
+ u32 reg = mt7921_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0);
+
+ mt76_wr(dev, reg, MT_TOP_LPCR_HOST_DRV_OWN);
+ if (!mt76_poll_msec(dev, reg, MT_TOP_LPCR_HOST_FW_OWN,
+ 0, 500)) {
+ dev_err(dev->mt76.dev, "Timeout for driver own\n");
+ return -EIO;
+ }
+
+ return 0;
+}
+
+int mt7921e_mcu_init(struct mt7921_dev *dev)
+{
+ static const struct mt76_mcu_ops mt7921_mcu_ops = {
+ .headroom = sizeof(struct mt7921_mcu_txd),
+ .mcu_skb_send_msg = mt7921_mcu_send_message,
+ .mcu_parse_response = mt7921_mcu_parse_response,
+ .mcu_restart = mt7921_mcu_restart,
+ };
+ int err;
+
+ dev->mt76.mcu_ops = &mt7921_mcu_ops;
+
+ err = mt7921e_driver_own(dev);
+ if (err)
+ return err;
+
+ err = mt7921_run_firmware(dev);
+
+ mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_FWDL], false);
+
+ return err;
+}
+
+int mt7921e_mcu_drv_pmctrl(struct mt7921_dev *dev)
+{
+ struct mt76_phy *mphy = &dev->mt76.phy;
+ struct mt76_connac_pm *pm = &dev->pm;
+ int i, err = 0;
+
+ for (i = 0; i < MT7921_DRV_OWN_RETRY_COUNT; i++) {
+ mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_CLR_OWN);
+ if (mt76_poll_msec(dev, MT_CONN_ON_LPCTL,
+ PCIE_LPCR_HOST_OWN_SYNC, 0, 50))
+ break;
+ }
+
+ if (i == MT7921_DRV_OWN_RETRY_COUNT) {
+ dev_err(dev->mt76.dev, "driver own failed\n");
+ err = -EIO;
+ goto out;
+ }
+
+ mt7921_wpdma_reinit_cond(dev);
+ clear_bit(MT76_STATE_PM, &mphy->state);
+
+ pm->stats.last_wake_event = jiffies;
+ pm->stats.doze_time += pm->stats.last_wake_event -
+ pm->stats.last_doze_event;
+out:
+ return err;
+}
+
+int mt7921e_mcu_fw_pmctrl(struct mt7921_dev *dev)
+{
+ struct mt76_phy *mphy = &dev->mt76.phy;
+ struct mt76_connac_pm *pm = &dev->pm;
+ int i, err = 0;
+
+ for (i = 0; i < MT7921_DRV_OWN_RETRY_COUNT; i++) {
+ mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_SET_OWN);
+ if (mt76_poll_msec(dev, MT_CONN_ON_LPCTL,
+ PCIE_LPCR_HOST_OWN_SYNC, 4, 50))
+ break;
+ }
+
+ if (i == MT7921_DRV_OWN_RETRY_COUNT) {
+ dev_err(dev->mt76.dev, "firmware own failed\n");
+ clear_bit(MT76_STATE_PM, &mphy->state);
+ err = -EIO;
+ }
+
+ pm->stats.last_doze_event = jiffies;
+ pm->stats.awake_time += pm->stats.last_doze_event -
+ pm->stats.last_wake_event;
+
+ return err;
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/testmode.c b/drivers/net/wireless/mediatek/mt76/mt7921/testmode.c
index 8bd43879dd6f..d22bbd9da58f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/testmode.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/testmode.c
@@ -57,7 +57,7 @@ mt7921_tm_set(struct mt7921_dev *dev, struct mt7921_tm_cmd *req)
pm->enable = false;
cancel_delayed_work_sync(&pm->ps_work);
cancel_work_sync(&pm->wake_work);
- __mt7921_mcu_drv_pmctrl(dev);
+ mt7921_drv_own(dev);
mt76_wr(dev, MT_WF_RFCR(0), dev->mt76.rxfilter);
phy->test.state = MT76_TM_STATE_ON;
--
2.25.1
_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek
next prev parent reply other threads:[~2021-09-15 1:15 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-15 1:14 [PATCH v1 00/16] Add MT7921 SDIO support sean.wang
2021-09-15 1:14 ` sean.wang
2021-09-15 1:14 ` [PATCH v1 01/16] mt76: mt7921: refactor mac.c to be bus independent sean.wang
2021-09-15 1:14 ` sean.wang
2021-09-15 13:01 ` Lorenzo Bianconi
2021-09-15 13:01 ` Lorenzo Bianconi
2021-09-15 1:14 ` [PATCH v1 02/16] mt76: mt7921: refactor dma.c to be pcie specific sean.wang
2021-09-15 1:14 ` sean.wang
2021-09-15 13:03 ` Lorenzo Bianconi
2021-09-15 13:03 ` Lorenzo Bianconi
2021-09-15 1:14 ` sean.wang [this message]
2021-09-15 1:14 ` [PATCH v1 03/16] mt76: mt7921: refactor mcu.c to be bus independent sean.wang
2021-09-15 13:08 ` Lorenzo Bianconi
2021-09-15 13:08 ` Lorenzo Bianconi
2021-09-15 1:14 ` [PATCH v1 04/16] mt76: mt7921: refactor init.c " sean.wang
2021-09-15 1:14 ` sean.wang
2021-09-15 13:14 ` Lorenzo Bianconi
2021-09-15 13:14 ` Lorenzo Bianconi
2021-09-15 1:14 ` [PATCH v1 05/16] mt76: mt7921: add MT7921_COMMON module sean.wang
2021-09-15 1:14 ` sean.wang
2021-09-15 1:14 ` [PATCH v1 06/16] mt76: connac: move mcu reg access utility routines in mt76_connac_lib module sean.wang
2021-09-15 1:14 ` sean.wang
2021-09-15 1:14 ` [PATCH v1 07/16] mt76: connac: move sdio utility routines in mt76_connac_sdio module sean.wang
2021-09-15 1:14 ` sean.wang
2021-09-15 13:20 ` Lorenzo Bianconi
2021-09-15 13:20 ` Lorenzo Bianconi
2021-09-15 14:30 ` Lorenzo Bianconi
2021-09-15 14:30 ` Lorenzo Bianconi
2021-09-15 1:14 ` [PATCH v1 08/16] mt76: mt7663s: rely on mt76_connac_sdio common library sean.wang
2021-09-15 1:14 ` sean.wang
2021-09-15 1:14 ` [PATCH v1 09/16] mt76: mt7921: make all event parser resuable between mt7921s and mt7921e sean.wang
2021-09-15 1:14 ` sean.wang
2021-09-15 13:24 ` Lorenzo Bianconi
2021-09-15 13:24 ` Lorenzo Bianconi
2021-09-15 13:31 ` Lorenzo Bianconi
2021-09-15 13:31 ` Lorenzo Bianconi
2021-09-15 1:14 ` [PATCH v1 10/16] mt76: mt7921: use physical addr to unify register access sean.wang
2021-09-15 1:14 ` sean.wang
2021-09-15 13:26 ` Lorenzo Bianconi
2021-09-15 13:26 ` Lorenzo Bianconi
2021-09-15 1:14 ` [PATCH v1 11/16] mt76: connac: extend mt76_connac_sdio module to support CONNAC2 sean.wang
2021-09-15 1:14 ` sean.wang
2021-09-15 1:14 ` [PATCH v1 12/16] mt76: connac: extend mcu_get_nic_capability sean.wang
2021-09-15 1:14 ` sean.wang
2021-09-15 1:14 ` [PATCH v1 13/16] mt76: mt7921: rely on mcu_get_nic_capability sean.wang
2021-09-15 1:14 ` sean.wang
2021-09-15 1:14 ` [PATCH v1 14/16] mt76: mt7921: refactor mt7921_mcu_send_message sean.wang
2021-09-15 1:14 ` sean.wang
2021-09-15 1:14 ` [PATCH v1 15/16] mt76: mt7921: introduce mt7921s support sean.wang
2021-09-15 1:14 ` sean.wang
2021-09-15 1:14 ` [PATCH v1 16/16] mt76: mt7921s: add reset support sean.wang
2021-09-15 1:14 ` sean.wang
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=37519dafa02723a1fff0ccaea73c8b4f860cad7b.1631667941.git.objelf@gmail.com \
--to=sean.wang@mediatek.com \
--cc=Deren.Wu@mediatek.com \
--cc=Eddie.Chen@mediatek.com \
--cc=Eric-SY.Chang@mediatek.com \
--cc=Eric.Liang@mediatek.com \
--cc=Leon.Yen@mediatek.com \
--cc=Soul.Huang@mediatek.com \
--cc=Stella.Chang@mediatek.com \
--cc=YN.Chen@mediatek.com \
--cc=ch.yeh@mediatek.com \
--cc=jemele@google.com \
--cc=km.lin@mediatek.com \
--cc=linux-mediatek@lists.infradead.org \
--cc=linux-wireless@vger.kernel.org \
--cc=lorenzo.bianconi@redhat.com \
--cc=nbd@nbd.name \
--cc=posh.sun@mediatek.com \
--cc=robin.chiu@mediatek.com \
--cc=shawnku@google.com \
--cc=steve.lee@mediatek.com \
--cc=ted.huang@mediatek.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.