From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
To: linville@tuxdriver.com
Cc: linux-wireless@vger.kernel.org,
Vasanthakumar Thiagarajan <vasanth@atheros.com>,
"Luis R. Rodriguez" <lrodriguez@atheros.com>,
Felix Fietkau <nbd@openwrt.org>
Subject: [PATCH v3 61/97] ath9k_hw: Abstract the routine which returns interrupt status
Date: Thu, 15 Apr 2010 17:39:06 -0400 [thread overview]
Message-ID: <1271367582-992-62-git-send-email-lrodriguez@atheros.com> (raw)
In-Reply-To: <1271367582-992-1-git-send-email-lrodriguez@atheros.com>
From: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Also move interrupt related code to mac.c
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
---
drivers/net/wireless/ath/ath9k/ar9003_mac.c | 6 +
drivers/net/wireless/ath/ath9k/hw-ops.h | 5 +
drivers/net/wireless/ath/ath9k/hw.c | 281 --------------------------
drivers/net/wireless/ath/ath9k/hw.h | 7 +-
drivers/net/wireless/ath/ath9k/mac.c | 290 +++++++++++++++++++++++++++
drivers/net/wireless/ath/ath9k/mac.h | 5 +
drivers/net/wireless/ath/ath9k/reg.h | 2 +
7 files changed, 310 insertions(+), 286 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
index b229597..15f1b0f 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
@@ -30,6 +30,11 @@ static void ar9003_hw_get_desc_link(void *ds, u32 **ds_link)
*ds_link = &((struct ar9003_txc *) ds)->link;
}
+static bool ar9003_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
+{
+ return true;
+}
+
void ar9003_hw_attach_mac_ops(struct ath_hw *hw)
{
struct ath_hw_ops *ops = ath9k_hw_ops(hw);
@@ -37,6 +42,7 @@ void ar9003_hw_attach_mac_ops(struct ath_hw *hw)
ops->rx_enable = ar9003_hw_rx_enable;
ops->set_desc_link = ar9003_hw_set_desc_link;
ops->get_desc_link = ar9003_hw_get_desc_link;
+ ops->get_isr = ar9003_hw_get_isr;
}
void ath9k_hw_set_rx_bufsize(struct ath_hw *ah, u16 buf_size)
diff --git a/drivers/net/wireless/ath/ath9k/hw-ops.h b/drivers/net/wireless/ath/ath9k/hw-ops.h
index 3848c0d..b777fd1 100644
--- a/drivers/net/wireless/ath/ath9k/hw-ops.h
+++ b/drivers/net/wireless/ath/ath9k/hw-ops.h
@@ -52,6 +52,11 @@ static inline bool ath9k_hw_calibrate(struct ath_hw *ah,
return ath9k_hw_ops(ah)->calibrate(ah, chan, rxchainmask, longcal);
}
+static inline bool ath9k_hw_getisr(struct ath_hw *ah, enum ath9k_int *masked)
+{
+ return ath9k_hw_ops(ah)->get_isr(ah, masked);
+}
+
/* Private hardware call ops */
/* PHY ops */
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 5d6df49..ab3a87b 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1781,287 +1781,6 @@ bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode)
}
EXPORT_SYMBOL(ath9k_hw_setpower);
-/**********************/
-/* Interrupt Handling */
-/**********************/
-
-bool ath9k_hw_intrpend(struct ath_hw *ah)
-{
- u32 host_isr;
-
- if (AR_SREV_9100(ah))
- return true;
-
- host_isr = REG_READ(ah, AR_INTR_ASYNC_CAUSE);
- if ((host_isr & AR_INTR_MAC_IRQ) && (host_isr != AR_INTR_SPURIOUS))
- return true;
-
- host_isr = REG_READ(ah, AR_INTR_SYNC_CAUSE);
- if ((host_isr & AR_INTR_SYNC_DEFAULT)
- && (host_isr != AR_INTR_SPURIOUS))
- return true;
-
- return false;
-}
-EXPORT_SYMBOL(ath9k_hw_intrpend);
-
-bool ath9k_hw_getisr(struct ath_hw *ah, enum ath9k_int *masked)
-{
- u32 isr = 0;
- u32 mask2 = 0;
- struct ath9k_hw_capabilities *pCap = &ah->caps;
- u32 sync_cause = 0;
- bool fatal_int = false;
- struct ath_common *common = ath9k_hw_common(ah);
-
- if (!AR_SREV_9100(ah)) {
- if (REG_READ(ah, AR_INTR_ASYNC_CAUSE) & AR_INTR_MAC_IRQ) {
- if ((REG_READ(ah, AR_RTC_STATUS) & AR_RTC_STATUS_M)
- == AR_RTC_STATUS_ON) {
- isr = REG_READ(ah, AR_ISR);
- }
- }
-
- sync_cause = REG_READ(ah, AR_INTR_SYNC_CAUSE) &
- AR_INTR_SYNC_DEFAULT;
-
- *masked = 0;
-
- if (!isr && !sync_cause)
- return false;
- } else {
- *masked = 0;
- isr = REG_READ(ah, AR_ISR);
- }
-
- if (isr) {
- if (isr & AR_ISR_BCNMISC) {
- u32 isr2;
- isr2 = REG_READ(ah, AR_ISR_S2);
- if (isr2 & AR_ISR_S2_TIM)
- mask2 |= ATH9K_INT_TIM;
- if (isr2 & AR_ISR_S2_DTIM)
- mask2 |= ATH9K_INT_DTIM;
- if (isr2 & AR_ISR_S2_DTIMSYNC)
- mask2 |= ATH9K_INT_DTIMSYNC;
- if (isr2 & (AR_ISR_S2_CABEND))
- mask2 |= ATH9K_INT_CABEND;
- if (isr2 & AR_ISR_S2_GTT)
- mask2 |= ATH9K_INT_GTT;
- if (isr2 & AR_ISR_S2_CST)
- mask2 |= ATH9K_INT_CST;
- if (isr2 & AR_ISR_S2_TSFOOR)
- mask2 |= ATH9K_INT_TSFOOR;
- }
-
- isr = REG_READ(ah, AR_ISR_RAC);
- if (isr == 0xffffffff) {
- *masked = 0;
- return false;
- }
-
- *masked = isr & ATH9K_INT_COMMON;
-
- if (ah->config.rx_intr_mitigation) {
- if (isr & (AR_ISR_RXMINTR | AR_ISR_RXINTM))
- *masked |= ATH9K_INT_RX;
- }
-
- if (isr & (AR_ISR_RXOK | AR_ISR_RXERR))
- *masked |= ATH9K_INT_RX;
- if (isr &
- (AR_ISR_TXOK | AR_ISR_TXDESC | AR_ISR_TXERR |
- AR_ISR_TXEOL)) {
- u32 s0_s, s1_s;
-
- *masked |= ATH9K_INT_TX;
-
- s0_s = REG_READ(ah, AR_ISR_S0_S);
- ah->intr_txqs |= MS(s0_s, AR_ISR_S0_QCU_TXOK);
- ah->intr_txqs |= MS(s0_s, AR_ISR_S0_QCU_TXDESC);
-
- s1_s = REG_READ(ah, AR_ISR_S1_S);
- ah->intr_txqs |= MS(s1_s, AR_ISR_S1_QCU_TXERR);
- ah->intr_txqs |= MS(s1_s, AR_ISR_S1_QCU_TXEOL);
- }
-
- if (isr & AR_ISR_RXORN) {
- ath_print(common, ATH_DBG_INTERRUPT,
- "receive FIFO overrun interrupt\n");
- }
-
- if (!AR_SREV_9100(ah)) {
- if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
- u32 isr5 = REG_READ(ah, AR_ISR_S5_S);
- if (isr5 & AR_ISR_S5_TIM_TIMER)
- *masked |= ATH9K_INT_TIM_TIMER;
- }
- }
-
- *masked |= mask2;
- }
-
- if (AR_SREV_9100(ah))
- return true;
-
- if (isr & AR_ISR_GENTMR) {
- u32 s5_s;
-
- s5_s = REG_READ(ah, AR_ISR_S5_S);
- if (isr & AR_ISR_GENTMR) {
- ah->intr_gen_timer_trigger =
- MS(s5_s, AR_ISR_S5_GENTIMER_TRIG);
-
- ah->intr_gen_timer_thresh =
- MS(s5_s, AR_ISR_S5_GENTIMER_THRESH);
-
- if (ah->intr_gen_timer_trigger)
- *masked |= ATH9K_INT_GENTIMER;
-
- }
- }
-
- if (sync_cause) {
- fatal_int =
- (sync_cause &
- (AR_INTR_SYNC_HOST1_FATAL | AR_INTR_SYNC_HOST1_PERR))
- ? true : false;
-
- if (fatal_int) {
- if (sync_cause & AR_INTR_SYNC_HOST1_FATAL) {
- ath_print(common, ATH_DBG_ANY,
- "received PCI FATAL interrupt\n");
- }
- if (sync_cause & AR_INTR_SYNC_HOST1_PERR) {
- ath_print(common, ATH_DBG_ANY,
- "received PCI PERR interrupt\n");
- }
- *masked |= ATH9K_INT_FATAL;
- }
- if (sync_cause & AR_INTR_SYNC_RADM_CPL_TIMEOUT) {
- ath_print(common, ATH_DBG_INTERRUPT,
- "AR_INTR_SYNC_RADM_CPL_TIMEOUT\n");
- REG_WRITE(ah, AR_RC, AR_RC_HOSTIF);
- REG_WRITE(ah, AR_RC, 0);
- *masked |= ATH9K_INT_FATAL;
- }
- if (sync_cause & AR_INTR_SYNC_LOCAL_TIMEOUT) {
- ath_print(common, ATH_DBG_INTERRUPT,
- "AR_INTR_SYNC_LOCAL_TIMEOUT\n");
- }
-
- REG_WRITE(ah, AR_INTR_SYNC_CAUSE_CLR, sync_cause);
- (void) REG_READ(ah, AR_INTR_SYNC_CAUSE_CLR);
- }
-
- return true;
-}
-EXPORT_SYMBOL(ath9k_hw_getisr);
-
-enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints)
-{
- enum ath9k_int omask = ah->imask;
- u32 mask, mask2;
- struct ath9k_hw_capabilities *pCap = &ah->caps;
- struct ath_common *common = ath9k_hw_common(ah);
-
- ath_print(common, ATH_DBG_INTERRUPT, "0x%x => 0x%x\n", omask, ints);
-
- if (omask & ATH9K_INT_GLOBAL) {
- ath_print(common, ATH_DBG_INTERRUPT, "disable IER\n");
- REG_WRITE(ah, AR_IER, AR_IER_DISABLE);
- (void) REG_READ(ah, AR_IER);
- if (!AR_SREV_9100(ah)) {
- REG_WRITE(ah, AR_INTR_ASYNC_ENABLE, 0);
- (void) REG_READ(ah, AR_INTR_ASYNC_ENABLE);
-
- REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0);
- (void) REG_READ(ah, AR_INTR_SYNC_ENABLE);
- }
- }
-
- mask = ints & ATH9K_INT_COMMON;
- mask2 = 0;
-
- if (ints & ATH9K_INT_TX) {
- if (ah->txok_interrupt_mask)
- mask |= AR_IMR_TXOK;
- if (ah->txdesc_interrupt_mask)
- mask |= AR_IMR_TXDESC;
- if (ah->txerr_interrupt_mask)
- mask |= AR_IMR_TXERR;
- if (ah->txeol_interrupt_mask)
- mask |= AR_IMR_TXEOL;
- }
- if (ints & ATH9K_INT_RX) {
- mask |= AR_IMR_RXERR;
- if (ah->config.rx_intr_mitigation)
- mask |= AR_IMR_RXMINTR | AR_IMR_RXINTM;
- else
- mask |= AR_IMR_RXOK | AR_IMR_RXDESC;
- if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
- mask |= AR_IMR_GENTMR;
- }
-
- if (ints & (ATH9K_INT_BMISC)) {
- mask |= AR_IMR_BCNMISC;
- if (ints & ATH9K_INT_TIM)
- mask2 |= AR_IMR_S2_TIM;
- if (ints & ATH9K_INT_DTIM)
- mask2 |= AR_IMR_S2_DTIM;
- if (ints & ATH9K_INT_DTIMSYNC)
- mask2 |= AR_IMR_S2_DTIMSYNC;
- if (ints & ATH9K_INT_CABEND)
- mask2 |= AR_IMR_S2_CABEND;
- if (ints & ATH9K_INT_TSFOOR)
- mask2 |= AR_IMR_S2_TSFOOR;
- }
-
- if (ints & (ATH9K_INT_GTT | ATH9K_INT_CST)) {
- mask |= AR_IMR_BCNMISC;
- if (ints & ATH9K_INT_GTT)
- mask2 |= AR_IMR_S2_GTT;
- if (ints & ATH9K_INT_CST)
- mask2 |= AR_IMR_S2_CST;
- }
-
- ath_print(common, ATH_DBG_INTERRUPT, "new IMR 0x%x\n", mask);
- REG_WRITE(ah, AR_IMR, mask);
- ah->imrs2_reg &= ~(AR_IMR_S2_TIM | AR_IMR_S2_DTIM | AR_IMR_S2_DTIMSYNC |
- AR_IMR_S2_CABEND | AR_IMR_S2_CABTO |
- AR_IMR_S2_TSFOOR | AR_IMR_S2_GTT | AR_IMR_S2_CST);
- ah->imrs2_reg |= mask2;
- REG_WRITE(ah, AR_IMR_S2, ah->imrs2_reg);
-
- if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
- if (ints & ATH9K_INT_TIM_TIMER)
- REG_SET_BIT(ah, AR_IMR_S5, AR_IMR_S5_TIM_TIMER);
- else
- REG_CLR_BIT(ah, AR_IMR_S5, AR_IMR_S5_TIM_TIMER);
- }
-
- if (ints & ATH9K_INT_GLOBAL) {
- ath_print(common, ATH_DBG_INTERRUPT, "enable IER\n");
- REG_WRITE(ah, AR_IER, AR_IER_ENABLE);
- if (!AR_SREV_9100(ah)) {
- REG_WRITE(ah, AR_INTR_ASYNC_ENABLE,
- AR_INTR_MAC_IRQ);
- REG_WRITE(ah, AR_INTR_ASYNC_MASK, AR_INTR_MAC_IRQ);
-
-
- REG_WRITE(ah, AR_INTR_SYNC_ENABLE,
- AR_INTR_SYNC_DEFAULT);
- REG_WRITE(ah, AR_INTR_SYNC_MASK,
- AR_INTR_SYNC_DEFAULT);
- }
- ath_print(common, ATH_DBG_INTERRUPT, "AR_IMR 0x%x IER 0x%x\n",
- REG_READ(ah, AR_IMR), REG_READ(ah, AR_IER));
- }
-
- return omask;
-}
-EXPORT_SYMBOL(ath9k_hw_set_interrupts);
-
/*******************/
/* Beacon Handling */
/*******************/
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index b27e76b..7a32733 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -227,6 +227,7 @@ struct ath9k_ops_config {
u32 enable_ani;
int serialize_regmode;
bool rx_intr_mitigation;
+ bool tx_intr_mitigation;
#define SPUR_DISABLE 0
#define SPUR_ENABLE_IOCTL 1
#define SPUR_ENABLE_EEPROM 2
@@ -549,6 +550,7 @@ struct ath_hw_ops {
struct ath9k_channel *chan,
u8 rxchainmask,
bool longcal);
+ bool (*get_isr)(struct ath_hw *ah, enum ath9k_int *masked);
};
struct ath_hw {
@@ -810,11 +812,6 @@ void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode);
-/* Interrupt Handling */
-bool ath9k_hw_intrpend(struct ath_hw *ah);
-bool ath9k_hw_getisr(struct ath_hw *ah, enum ath9k_int *masked);
-enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints);
-
/* Generic hw timer primitives */
struct ath_gen_timer *ath_gen_timer_alloc(struct ath_hw *ah,
void (*trigger)(void *),
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index a8dab23..4a36ec5 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -31,6 +31,158 @@ static void ar9002_hw_get_desc_link(void *ds, u32 **ds_link)
*ds_link = &((struct ath_desc *)ds)->ds_link;
}
+static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
+{
+ u32 isr = 0;
+ u32 mask2 = 0;
+ struct ath9k_hw_capabilities *pCap = &ah->caps;
+ u32 sync_cause = 0;
+ bool fatal_int = false;
+ struct ath_common *common = ath9k_hw_common(ah);
+
+ if (!AR_SREV_9100(ah)) {
+ if (REG_READ(ah, AR_INTR_ASYNC_CAUSE) & AR_INTR_MAC_IRQ) {
+ if ((REG_READ(ah, AR_RTC_STATUS) & AR_RTC_STATUS_M)
+ == AR_RTC_STATUS_ON) {
+ isr = REG_READ(ah, AR_ISR);
+ }
+ }
+
+ sync_cause = REG_READ(ah, AR_INTR_SYNC_CAUSE) &
+ AR_INTR_SYNC_DEFAULT;
+
+ *masked = 0;
+
+ if (!isr && !sync_cause)
+ return false;
+ } else {
+ *masked = 0;
+ isr = REG_READ(ah, AR_ISR);
+ }
+
+ if (isr) {
+ if (isr & AR_ISR_BCNMISC) {
+ u32 isr2;
+ isr2 = REG_READ(ah, AR_ISR_S2);
+ if (isr2 & AR_ISR_S2_TIM)
+ mask2 |= ATH9K_INT_TIM;
+ if (isr2 & AR_ISR_S2_DTIM)
+ mask2 |= ATH9K_INT_DTIM;
+ if (isr2 & AR_ISR_S2_DTIMSYNC)
+ mask2 |= ATH9K_INT_DTIMSYNC;
+ if (isr2 & (AR_ISR_S2_CABEND))
+ mask2 |= ATH9K_INT_CABEND;
+ if (isr2 & AR_ISR_S2_GTT)
+ mask2 |= ATH9K_INT_GTT;
+ if (isr2 & AR_ISR_S2_CST)
+ mask2 |= ATH9K_INT_CST;
+ if (isr2 & AR_ISR_S2_TSFOOR)
+ mask2 |= ATH9K_INT_TSFOOR;
+ }
+
+ isr = REG_READ(ah, AR_ISR_RAC);
+ if (isr == 0xffffffff) {
+ *masked = 0;
+ return false;
+ }
+
+ *masked = isr & ATH9K_INT_COMMON;
+
+ if (ah->config.rx_intr_mitigation) {
+ if (isr & (AR_ISR_RXMINTR | AR_ISR_RXINTM))
+ *masked |= ATH9K_INT_RX;
+ }
+
+ if (isr & (AR_ISR_RXOK | AR_ISR_RXERR))
+ *masked |= ATH9K_INT_RX;
+ if (isr &
+ (AR_ISR_TXOK | AR_ISR_TXDESC | AR_ISR_TXERR |
+ AR_ISR_TXEOL)) {
+ u32 s0_s, s1_s;
+
+ *masked |= ATH9K_INT_TX;
+
+ s0_s = REG_READ(ah, AR_ISR_S0_S);
+ ah->intr_txqs |= MS(s0_s, AR_ISR_S0_QCU_TXOK);
+ ah->intr_txqs |= MS(s0_s, AR_ISR_S0_QCU_TXDESC);
+
+ s1_s = REG_READ(ah, AR_ISR_S1_S);
+ ah->intr_txqs |= MS(s1_s, AR_ISR_S1_QCU_TXERR);
+ ah->intr_txqs |= MS(s1_s, AR_ISR_S1_QCU_TXEOL);
+ }
+
+ if (isr & AR_ISR_RXORN) {
+ ath_print(common, ATH_DBG_INTERRUPT,
+ "receive FIFO overrun interrupt\n");
+ }
+
+ if (!AR_SREV_9100(ah)) {
+ if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
+ u32 isr5 = REG_READ(ah, AR_ISR_S5_S);
+ if (isr5 & AR_ISR_S5_TIM_TIMER)
+ *masked |= ATH9K_INT_TIM_TIMER;
+ }
+ }
+
+ *masked |= mask2;
+ }
+
+ if (AR_SREV_9100(ah))
+ return true;
+
+ if (isr & AR_ISR_GENTMR) {
+ u32 s5_s;
+
+ s5_s = REG_READ(ah, AR_ISR_S5_S);
+ if (isr & AR_ISR_GENTMR) {
+ ah->intr_gen_timer_trigger =
+ MS(s5_s, AR_ISR_S5_GENTIMER_TRIG);
+
+ ah->intr_gen_timer_thresh =
+ MS(s5_s, AR_ISR_S5_GENTIMER_THRESH);
+
+ if (ah->intr_gen_timer_trigger)
+ *masked |= ATH9K_INT_GENTIMER;
+
+ }
+ }
+
+ if (sync_cause) {
+ fatal_int =
+ (sync_cause &
+ (AR_INTR_SYNC_HOST1_FATAL | AR_INTR_SYNC_HOST1_PERR))
+ ? true : false;
+
+ if (fatal_int) {
+ if (sync_cause & AR_INTR_SYNC_HOST1_FATAL) {
+ ath_print(common, ATH_DBG_ANY,
+ "received PCI FATAL interrupt\n");
+ }
+ if (sync_cause & AR_INTR_SYNC_HOST1_PERR) {
+ ath_print(common, ATH_DBG_ANY,
+ "received PCI PERR interrupt\n");
+ }
+ *masked |= ATH9K_INT_FATAL;
+ }
+ if (sync_cause & AR_INTR_SYNC_RADM_CPL_TIMEOUT) {
+ ath_print(common, ATH_DBG_INTERRUPT,
+ "AR_INTR_SYNC_RADM_CPL_TIMEOUT\n");
+ REG_WRITE(ah, AR_RC, AR_RC_HOSTIF);
+ REG_WRITE(ah, AR_RC, 0);
+ *masked |= ATH9K_INT_FATAL;
+ }
+ if (sync_cause & AR_INTR_SYNC_LOCAL_TIMEOUT) {
+ ath_print(common, ATH_DBG_INTERRUPT,
+ "AR_INTR_SYNC_LOCAL_TIMEOUT\n");
+ }
+
+ REG_WRITE(ah, AR_INTR_SYNC_CAUSE_CLR, sync_cause);
+ (void) REG_READ(ah, AR_INTR_SYNC_CAUSE_CLR);
+ }
+
+ return true;
+}
+
void ar9002_hw_attach_mac_ops(struct ath_hw *ah)
{
struct ath_hw_ops *ops = ath9k_hw_ops(ah);
@@ -38,6 +190,7 @@ void ar9002_hw_attach_mac_ops(struct ath_hw *ah)
ops->rx_enable = ar9002_hw_rx_enable;
ops->set_desc_link = ar9002_hw_set_desc_link;
ops->get_desc_link = ar9002_hw_get_desc_link;
+ ops->get_isr = ar9002_hw_get_isr;
}
static void ath9k_hw_set_txq_interrupts(struct ath_hw *ah,
@@ -1089,3 +1242,140 @@ int ath9k_hw_beaconq_setup(struct ath_hw *ah)
return ath9k_hw_setuptxqueue(ah, ATH9K_TX_QUEUE_BEACON, &qi);
}
EXPORT_SYMBOL(ath9k_hw_beaconq_setup);
+
+bool ath9k_hw_intrpend(struct ath_hw *ah)
+{
+ u32 host_isr;
+
+ if (AR_SREV_9100(ah))
+ return true;
+
+ host_isr = REG_READ(ah, AR_INTR_ASYNC_CAUSE);
+ if ((host_isr & AR_INTR_MAC_IRQ) && (host_isr != AR_INTR_SPURIOUS))
+ return true;
+
+ host_isr = REG_READ(ah, AR_INTR_SYNC_CAUSE);
+ if ((host_isr & AR_INTR_SYNC_DEFAULT)
+ && (host_isr != AR_INTR_SPURIOUS))
+ return true;
+
+ return false;
+}
+EXPORT_SYMBOL(ath9k_hw_intrpend);
+
+enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah,
+ enum ath9k_int ints)
+{
+ enum ath9k_int omask = ah->imask;
+ u32 mask, mask2;
+ struct ath9k_hw_capabilities *pCap = &ah->caps;
+ struct ath_common *common = ath9k_hw_common(ah);
+
+ ath_print(common, ATH_DBG_INTERRUPT, "0x%x => 0x%x\n", omask, ints);
+
+ if (omask & ATH9K_INT_GLOBAL) {
+ ath_print(common, ATH_DBG_INTERRUPT, "disable IER\n");
+ REG_WRITE(ah, AR_IER, AR_IER_DISABLE);
+ (void) REG_READ(ah, AR_IER);
+ if (!AR_SREV_9100(ah)) {
+ REG_WRITE(ah, AR_INTR_ASYNC_ENABLE, 0);
+ (void) REG_READ(ah, AR_INTR_ASYNC_ENABLE);
+
+ REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0);
+ (void) REG_READ(ah, AR_INTR_SYNC_ENABLE);
+ }
+ }
+
+ /* TODO: global int Ref count */
+ mask = ints & ATH9K_INT_COMMON;
+ mask2 = 0;
+
+ if (ints & ATH9K_INT_TX) {
+ if (ah->config.tx_intr_mitigation)
+ mask |= AR_IMR_TXMINTR | AR_IMR_TXINTM;
+ if (ah->txok_interrupt_mask)
+ mask |= AR_IMR_TXOK;
+ if (ah->txdesc_interrupt_mask)
+ mask |= AR_IMR_TXDESC;
+ if (ah->txerr_interrupt_mask)
+ mask |= AR_IMR_TXERR;
+ if (ah->txeol_interrupt_mask)
+ mask |= AR_IMR_TXEOL;
+ }
+ if (ints & ATH9K_INT_RX) {
+ if (AR_SREV_9300_20_OR_LATER(ah)) {
+ mask |= AR_IMR_RXERR | AR_IMR_RXOK_HP;
+ if (ah->config.rx_intr_mitigation) {
+ mask &= ~AR_IMR_RXOK_LP;
+ mask |= AR_IMR_RXMINTR | AR_IMR_RXINTM;
+ } else {
+ mask |= AR_IMR_RXOK_LP;
+ }
+ } else {
+ if (ah->config.rx_intr_mitigation)
+ mask |= AR_IMR_RXMINTR | AR_IMR_RXINTM;
+ else
+ mask |= AR_IMR_RXOK | AR_IMR_RXDESC;
+ }
+ if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
+ mask |= AR_IMR_GENTMR;
+ }
+
+ if (ints & (ATH9K_INT_BMISC)) {
+ mask |= AR_IMR_BCNMISC;
+ if (ints & ATH9K_INT_TIM)
+ mask2 |= AR_IMR_S2_TIM;
+ if (ints & ATH9K_INT_DTIM)
+ mask2 |= AR_IMR_S2_DTIM;
+ if (ints & ATH9K_INT_DTIMSYNC)
+ mask2 |= AR_IMR_S2_DTIMSYNC;
+ if (ints & ATH9K_INT_CABEND)
+ mask2 |= AR_IMR_S2_CABEND;
+ if (ints & ATH9K_INT_TSFOOR)
+ mask2 |= AR_IMR_S2_TSFOOR;
+ }
+
+ if (ints & (ATH9K_INT_GTT | ATH9K_INT_CST)) {
+ mask |= AR_IMR_BCNMISC;
+ if (ints & ATH9K_INT_GTT)
+ mask2 |= AR_IMR_S2_GTT;
+ if (ints & ATH9K_INT_CST)
+ mask2 |= AR_IMR_S2_CST;
+ }
+
+ ath_print(common, ATH_DBG_INTERRUPT, "new IMR 0x%x\n", mask);
+ REG_WRITE(ah, AR_IMR, mask);
+ ah->imrs2_reg &= ~(AR_IMR_S2_TIM | AR_IMR_S2_DTIM | AR_IMR_S2_DTIMSYNC |
+ AR_IMR_S2_CABEND | AR_IMR_S2_CABTO |
+ AR_IMR_S2_TSFOOR | AR_IMR_S2_GTT | AR_IMR_S2_CST);
+ ah->imrs2_reg |= mask2;
+ REG_WRITE(ah, AR_IMR_S2, ah->imrs2_reg);
+
+ if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
+ if (ints & ATH9K_INT_TIM_TIMER)
+ REG_SET_BIT(ah, AR_IMR_S5, AR_IMR_S5_TIM_TIMER);
+ else
+ REG_CLR_BIT(ah, AR_IMR_S5, AR_IMR_S5_TIM_TIMER);
+ }
+
+ if (ints & ATH9K_INT_GLOBAL) {
+ ath_print(common, ATH_DBG_INTERRUPT, "enable IER\n");
+ REG_WRITE(ah, AR_IER, AR_IER_ENABLE);
+ if (!AR_SREV_9100(ah)) {
+ REG_WRITE(ah, AR_INTR_ASYNC_ENABLE,
+ AR_INTR_MAC_IRQ);
+ REG_WRITE(ah, AR_INTR_ASYNC_MASK, AR_INTR_MAC_IRQ);
+
+
+ REG_WRITE(ah, AR_INTR_SYNC_ENABLE,
+ AR_INTR_SYNC_DEFAULT);
+ REG_WRITE(ah, AR_INTR_SYNC_MASK,
+ AR_INTR_SYNC_DEFAULT);
+ }
+ ath_print(common, ATH_DBG_INTERRUPT, "AR_IMR 0x%x IER 0x%x\n",
+ REG_READ(ah, AR_IMR), REG_READ(ah, AR_IER));
+ }
+
+ return omask;
+}
+EXPORT_SYMBOL(ath9k_hw_set_interrupts);
diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h
index 99f81eb..7c0d754 100644
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -736,6 +736,11 @@ void ath9k_hw_stoppcurecv(struct ath_hw *ah);
bool ath9k_hw_stopdmarecv(struct ath_hw *ah);
int ath9k_hw_beaconq_setup(struct ath_hw *ah);
+/* Interrupt Handling */
+bool ath9k_hw_intrpend(struct ath_hw *ah);
+enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah,
+ enum ath9k_int ints);
+
void ar9002_hw_attach_mac_ops(struct ath_hw *ah);
#endif /* MAC_H */
diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h
index 96b2cfe..7f85633 100644
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -253,6 +253,8 @@
#define AR_IMR 0x00a0
#define AR_IMR_RXOK 0x00000001
#define AR_IMR_RXDESC 0x00000002
+#define AR_IMR_RXOK_HP 0x00000001
+#define AR_IMR_RXOK_LP 0x00000002
#define AR_IMR_RXERR 0x00000004
#define AR_IMR_RXNOPKT 0x00000008
#define AR_IMR_RXEOL 0x00000010
--
1.6.3.3
next prev parent reply other threads:[~2010-04-15 21:39 UTC|newest]
Thread overview: 103+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-15 21:38 [PATCH v3 00/97] ath9k: add AR9003 support Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 01/97] ath9k_hw: start building an abstraction layer for hardware routines Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 02/97] ath9k_hw: add silicon revision macros for AR9300 Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 03/97] ath9k_hw: add a macro for abstracting generic timer access Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 04/97] ath9k_hw: fix a missing hex prefix for a register mask Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 05/97] ath9k_hw: add simple register abstraction for some AR9300 registers Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 06/97] ath9k_hw: add support for GPIO differences on AR9003 Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 07/97] ath9k_hw: AR9003 does not have AR_RC_AHB skip its setting Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 08/97] ath9k_hw: remove wrapper ath9k_hw_write_regs() Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 09/97] ath9k_hw: Move some RF ops to the private callbacks Luis R. Rodriguez
2010-04-16 19:43 ` John W. Linville
2010-04-16 19:56 ` Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 10/97] ath9k_hw: skip PLL initialization on AR9003 on Power-On-Reset Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 11/97] ath9k_hw: add some comments for ath9k_set_power_network_sleep() Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 12/97] ath9k_hw: add a private callback for PLL control computation Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 13/97] ath9k_hw: Add the PCI IDs for AR9300 and fill up the pci_id_tables Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 14/97] ath9k_hw: Add AR9003 PHY support Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 15/97] ath9k_hw: move init config and default after chip is up Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 16/97] ath9k_hw: add the AR9003 ar9003_hw_macversion_supported() Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 17/97] ath9k_hw: disable ANI for AR9003 Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 18/97] ath9k: disable the MIB interrupt if ANI is disabled Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 19/97] ath9k_hw: Add hw cap flag for EDMA for the AR9003 family Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 20/97] ath9k_hw: Fill few hw cap for edma Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 21/97] ath9k_hw: Add abstraction for rx enable Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 22/97] ath9k_hw: Fill rx_enable() for the AR9003 hardware family Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 23/97] ath9k_hw: Add few routines for rx edma support Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 24/97] ath9k_hw: update the chip tests for AR9003 Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 25/97] ath9k_hw: prevent reset control register zeroing on AR9003 reset Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 26/97] ath9k_hw: Add AR9003 PHY register definitions Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 27/97] ath9k_hw: add common channel select helpers for ar900[23] Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 28/97] ath9k_hw: Set the channel on AR9003 Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 29/97] ath9k_hw: Implement PLL control " Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 30/97] ath9k_hw: Implement spur mitigation " Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 31/97] ath9k_hw: split initvals.h by hardware family Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 32/97] ath9k_hw: add initvals for the AR9003 " Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 33/97] ath9k_hw: add helpers for processing the AR9003 INI Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 34/97] ath9k_hw: Split off ANI control to the PHY ops Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 35/97] ath9k_hw: add all the AR9003 PHY callbacks Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 36/97] ath9k_hw: Define tx control struct for AR9003 Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 37/97] ath9k_hw: Move code which populates ds_data to ath9k_hw Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 38/97] ath9k_hw: Add abstraction to set/get link pointer Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 39/97] ath9k: Use abstraction to get " Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 40/97] ath9k: Use memcpy in ath_clone_txbuf() Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 41/97] ath9k: Remove ATH9K_TX_SW_ABORTED and introduce a bool for this purpose Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 42/97] ath9k: Make bf_desc of ath_buf opaque Luis R. Rodriguez
2010-04-16 22:00 ` Pavel Roskin
2010-04-16 22:09 ` Felix Fietkau
2010-04-19 15:53 ` Pavel Roskin
2010-04-15 21:38 ` [PATCH v3 43/97] ath9k: Add Rx EDMA support Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 44/97] ath9k_hw: Split out the function for reading the noise floor Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 45/97] ath9k_hw: the eep_map is used only for AR9280 PCI card ini fixup Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 46/97] ath9k_hw: add a helper for Power Amplifier calibration for AR9002 Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 47/97] ath9k_hw: add a helper for the OLC tem compensation " Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 48/97] ath9k_hw: rename PA calib for AR9287 Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 49/97] ath9k_hw: shift code for AR9280 OLC temp comp Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 50/97] ath9k_hw: move the AR9280 OLC temp comp to its own helper Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 51/97] ath9k_hw: simplify OLC temp compensation for AR9002 Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 52/97] ath9k_hw: rename the PA calib routines to match their families Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 53/97] ath9k_hw: rename getNoiseFloorThresh() to ath9k_hw_loadnf() Luis R. Rodriguez
2010-04-15 21:38 ` [PATCH v3 54/97] ath9k_hw: move the cal AR9100 calibration settings Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 55/97] ath9k_hw: split calib code by hardware families Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 56/97] ath9k_hw: add the AR9003 ar9003_hw_init_cal callback Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 57/97] ath9k_hw: add the config_pci_powersave AR9003 callback Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 58/97] ath9k_hw: split the generic hardware code by hardware family Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 59/97] ath9k_hw: move the cck channel 14 INI to the AR9002 hw code Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 60/97] ath9k_hw: move TX/RX gain INI stuff to its own hardware family code Luis R. Rodriguez
2010-04-15 21:39 ` Luis R. Rodriguez [this message]
2010-04-15 21:39 ` [PATCH v3 62/97] ath9k_hw: Initialize interrupt mask for AR9003 Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 63/97] ath9k_hw: abstract the AR_PHY_AGC_CONTROL register access Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 64/97] ath9k_hw: abstract loading noisefloor Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 65/97] ath9k_hw: fill in the callbacks for calibration for AR9003 Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 66/97] ath9k_hw: complete AR9003 calibration Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 67/97] ath9k_hw: rename eep_AR9287_ops to eep_ar9287_ops Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 68/97] ath9k_hw: restore mac address reading logic Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 69/97] ath9k_hw: Implement AR9003 eeprom callbacks Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 70/97] ath9k_hw: add OFDM spur mitigation for AR9003 Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 71/97] ath9k_hw: Fill get_isr() " Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 72/97] ath9k_hw: move AR9280 PCI EEPROM fix to eeprom_def.c Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 73/97] ath9k_hw: move the RF claim stuff to AR9002 hardware family Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 74/97] ath9k_hw: Configure Tx interrupt mitigation timer Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 75/97] ath9k_hw: add the AR9300 SREV hw name print Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 76/97] ath9k_hw: add TX/RX gain register initialization for AR9003 Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 77/97] ath9k_hw: Update ath9k_hw_set_dma for AR9300 Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 78/97] ath9k_hw: skip asynch fifo enablement to AR9003 Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 79/97] ath9k_hw: skip WEP aggregation enable code for AR9003 Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 80/97] ath9k: Load SW filtered NF values and start NF cal during full reset " Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 81/97] ath9k_hw: Define abstraction for tx desc access Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 82/97] ath9k_hw: Add function to configure tx status ring buffer Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 83/97] ath9k_hw: move AR9002 mac ops to its own file Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 84/97] ath9k_hw: Fill descriptor abstrations for AR9003 Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 85/97] ath9k: add RXLP and RXHP to debugfs counters Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 86/97] ath9k_hw: enable CRC check of descriptors for AR9003 Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 87/97] ath9k_hw: set cwmin and cwmax to 0 for for AR9003 upon txq reset Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 88/97] ath9k: Setup appropriate tx desc for regular dma and edma Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 89/97] ath9k: Initialize and configure tx status for EDMA Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 90/97] ath9k_hw: Compute pointer checksum over the link descriptor Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 91/97] ath9k: Add Tx EDMA support Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 92/97] mac80211: add LDPC control flag Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 93/97] ath9k_hw: add LDPC support for AR9003 Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 94/97] ath9k: add LDPC support Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 95/97] ath9k: Enable TXOK and TXERR interrupts for TX EDMA Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 96/97] ath9k_hw: Abort rx if hw is not coming out of full sleep in reset Luis R. Rodriguez
2010-04-15 21:39 ` [PATCH v3 97/97] ath9k_hw: add the PCI ID for the first AR9300 device Luis R. Rodriguez
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