2014-07-16 21:20:13

by Lorenzo Bianconi

[permalink] [raw]
Subject: [PATCH] ath9k: set up tx power into the MRR

Set up tx power for each MRR segment in the tx descriptor

Signed-off-by: Lorenzo Bianconi <[email protected]>
---
drivers/net/wireless/ath/ath9k/ar9002_mac.c | 6 +++++-
drivers/net/wireless/ath/ath9k/ar9003_mac.c | 6 +++++-
drivers/net/wireless/ath/ath9k/mac.h | 10 ++++++++--
3 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ar9002_mac.c b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
index 741b38d..59af9f9 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
@@ -281,7 +281,7 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)

ACCESS_ONCE(ads->ds_ctl0) = (i->pkt_len & AR_FrameLen)
| (i->flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
- | SM(i->txpower, AR_XmitPower)
+ | SM(i->txpower, AR_XmitPower0)
| (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
| (i->flags & ATH9K_TXDESC_INTREQ ? AR_TxIntrReq : 0)
| (i->keyix != ATH9K_TXKEYIX_INVALID ? AR_DestIdxValid : 0)
@@ -306,6 +306,10 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
| set11nRateFlags(i->rates, 2)
| set11nRateFlags(i->rates, 3)
| SM(i->rtscts_rate, AR_RTSCTSRate);
+
+ ACCESS_ONCE(ads->ds_ctl9) = SM(i->txpower, AR_XmitPower1);
+ ACCESS_ONCE(ads->ds_ctl10) = SM(i->txpower, AR_XmitPower2);
+ ACCESS_ONCE(ads->ds_ctl11) = SM(i->txpower, AR_XmitPower3);
}

static int ar9002_hw_proc_txdesc(struct ath_hw *ah, void *ds,
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
index 729ffbf..71e38e8 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
@@ -101,7 +101,7 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)

ACCESS_ONCE(ads->ctl11) = (i->pkt_len & AR_FrameLen)
| (i->flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
- | SM(i->txpower, AR_XmitPower)
+ | SM(i->txpower, AR_XmitPower0)
| (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
| (i->keyix != ATH9K_TXKEYIX_INVALID ? AR_DestIdxValid : 0)
| (i->flags & ATH9K_TXDESC_LOWRXCHAIN ? AR_LowRxChain : 0)
@@ -151,6 +151,10 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
| SM(i->rtscts_rate, AR_RTSCTSRate);

ACCESS_ONCE(ads->ctl19) = AR_Not_Sounding;
+
+ ACCESS_ONCE(ads->ctl20) = SM(i->txpower, AR_XmitPower1);
+ ACCESS_ONCE(ads->ctl21) = SM(i->txpower, AR_XmitPower2);
+ ACCESS_ONCE(ads->ctl22) = SM(i->txpower, AR_XmitPower3);
}

static u16 ar9003_calc_ptr_chksum(struct ar9003_txc *ads)
diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h
index da76867..6c56caf 100644
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -346,8 +346,14 @@ struct ar5416_desc {
#define AR_FrameLen 0x00000fff
#define AR_VirtMoreFrag 0x00001000
#define AR_TxCtlRsvd00 0x0000e000
-#define AR_XmitPower 0x003f0000
-#define AR_XmitPower_S 16
+#define AR_XmitPower0 0x003f0000
+#define AR_XmitPower0_S 16
+#define AR_XmitPower1 0x3f000000
+#define AR_XmitPower1_S 24
+#define AR_XmitPower2 0x3f000000
+#define AR_XmitPower2_S 24
+#define AR_XmitPower3 0x3f000000
+#define AR_XmitPower3_S 24
#define AR_RTSEnable 0x00400000
#define AR_VEOL 0x00800000
#define AR_ClrDestMask 0x01000000
--
1.9.1



2014-07-16 21:52:02

by Thomas Huehn

[permalink] [raw]
Subject: Re: [ath9k-devel] [PATCH] ath9k: set up tx power into the MRR

Hi Lozenro,

As I am shaping up my TPC code and might comment as well :)

What about defining just:

#define AR_XmitPower 0x003f0000
#define AR_XmitPower_S 16
#define AR_XmitPower2 0x3f000000
#define AR_XmitPower2_S 24

.. as AR_XmitPower1 == AR_XmitPower2 == AR_XmitPower3 (with its shift as well) and AR_XmitPower == AR_XmitPower0

Or do you have someting in mind to have the same value seperated ?

Greetings from Berlin
Thomas

> Set up tx power for each MRR segment in the tx descriptor
>
> Signed-off-by: Lorenzo Bianconi <[email protected]>
> ---
> drivers/net/wireless/ath/ath9k/ar9002_mac.c | 6 +++++-
> drivers/net/wireless/ath/ath9k/ar9003_mac.c | 6 +++++-
> drivers/net/wireless/ath/ath9k/mac.h | 10 ++++++++--
> 3 files changed, 18 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/net/wireless/ath/ath9k/ar9002_mac.c b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
> index 741b38d..59af9f9 100644
> --- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c
> +++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
> @@ -281,7 +281,7 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
>
> ACCESS_ONCE(ads->ds_ctl0) = (i->pkt_len & AR_FrameLen)
> | (i->flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
> - | SM(i->txpower, AR_XmitPower)
> + | SM(i->txpower, AR_XmitPower0)
> | (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
> | (i->flags & ATH9K_TXDESC_INTREQ ? AR_TxIntrReq : 0)
> | (i->keyix != ATH9K_TXKEYIX_INVALID ? AR_DestIdxValid : 0)
> @@ -306,6 +306,10 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
> | set11nRateFlags(i->rates, 2)
> | set11nRateFlags(i->rates, 3)
> | SM(i->rtscts_rate, AR_RTSCTSRate);
> +
> + ACCESS_ONCE(ads->ds_ctl9) = SM(i->txpower, AR_XmitPower1);
> + ACCESS_ONCE(ads->ds_ctl10) = SM(i->txpower, AR_XmitPower2);
> + ACCESS_ONCE(ads->ds_ctl11) = SM(i->txpower, AR_XmitPower3);
> }
>
> static int ar9002_hw_proc_txdesc(struct ath_hw *ah, void *ds,
> diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
> index 729ffbf..71e38e8 100644
> --- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
> +++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
> @@ -101,7 +101,7 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
>
> ACCESS_ONCE(ads->ctl11) = (i->pkt_len & AR_FrameLen)
> | (i->flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
> - | SM(i->txpower, AR_XmitPower)
> + | SM(i->txpower, AR_XmitPower0)
> | (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
> | (i->keyix != ATH9K_TXKEYIX_INVALID ? AR_DestIdxValid : 0)
> | (i->flags & ATH9K_TXDESC_LOWRXCHAIN ? AR_LowRxChain : 0)
> @@ -151,6 +151,10 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
> | SM(i->rtscts_rate, AR_RTSCTSRate);
>
> ACCESS_ONCE(ads->ctl19) = AR_Not_Sounding;
> +
> + ACCESS_ONCE(ads->ctl20) = SM(i->txpower, AR_XmitPower1);
> + ACCESS_ONCE(ads->ctl21) = SM(i->txpower, AR_XmitPower2);
> + ACCESS_ONCE(ads->ctl22) = SM(i->txpower, AR_XmitPower3);
> }
>
> static u16 ar9003_calc_ptr_chksum(struct ar9003_txc *ads)
> diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h
> index da76867..6c56caf 100644
> --- a/drivers/net/wireless/ath/ath9k/mac.h
> +++ b/drivers/net/wireless/ath/ath9k/mac.h
> @@ -346,8 +346,14 @@ struct ar5416_desc {
> #define AR_FrameLen 0x00000fff
> #define AR_VirtMoreFrag 0x00001000
> #define AR_TxCtlRsvd00 0x0000e000
> -#define AR_XmitPower 0x003f0000
> -#define AR_XmitPower_S 16
> +#define AR_XmitPower0 0x003f0000
> +#define AR_XmitPower0_S 16
> +#define AR_XmitPower1 0x3f000000
> +#define AR_XmitPower1_S 24
> +#define AR_XmitPower2 0x3f000000
> +#define AR_XmitPower2_S 24
> +#define AR_XmitPower3 0x3f000000
> +#define AR_XmitPower3_S 24
> #define AR_RTSEnable 0x00400000
> #define AR_VEOL 0x00800000
> #define AR_ClrDestMask 0x01000000
> --
> 1.9.1
>
> _______________________________________________
> ath9k-devel mailing list
> [email protected]
> https://lists.ath9k.org/mailman/listinfo/ath9k-devel


2014-07-16 23:06:37

by Adrian Chadd

[permalink] [raw]
Subject: Re: [ath9k-devel] [PATCH] ath9k: set up tx power into the MRR

Hi guys,

Just remember - TPC TX power level 0 is broken on AR5416. ;)

(Check freebsd's ath_hal/ar5416/ar5416_xmit.c code in freebsd-head.)



-a

2014-07-16 22:01:50

by Lorenzo Bianconi

[permalink] [raw]
Subject: Re: [ath9k-devel] [PATCH] ath9k: set up tx power into the MRR

> Hi Lozenro,
>

Hi Thomas,

> As I am shaping up my TPC code and might comment as well :)
>
> What about defining just:
>
> #define AR_XmitPower 0x003f0000
> #define AR_XmitPower_S 16
> #define AR_XmitPower2 0x3f000000
> #define AR_XmitPower2_S 24
>
> .. as AR_XmitPower1 == AR_XmitPower2 == AR_XmitPower3 (with its shift as well) and AR_XmitPower == AR_XmitPower0
>
> Or do you have someting in mind to have the same value seperated ?
>

No particular reason, just symmetry with other fields like AR_PacketDur
AR_PacketDur0 = AR_PacketDur2
AR_PacketDur1 = AR_PacketDur3

> Greetings from Berlin
> Thomas
>

Best regards,

Lorenzo

>> Set up tx power for each MRR segment in the tx descriptor
>>
>> Signed-off-by: Lorenzo Bianconi <[email protected]>
>> ---
>> drivers/net/wireless/ath/ath9k/ar9002_mac.c | 6 +++++-
>> drivers/net/wireless/ath/ath9k/ar9003_mac.c | 6 +++++-
>> drivers/net/wireless/ath/ath9k/mac.h | 10 ++++++++--
>> 3 files changed, 18 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/net/wireless/ath/ath9k/ar9002_mac.c b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
>> index 741b38d..59af9f9 100644
>> --- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c
>> +++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
>> @@ -281,7 +281,7 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
>>
>> ACCESS_ONCE(ads->ds_ctl0) = (i->pkt_len & AR_FrameLen)
>> | (i->flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
>> - | SM(i->txpower, AR_XmitPower)
>> + | SM(i->txpower, AR_XmitPower0)
>> | (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
>> | (i->flags & ATH9K_TXDESC_INTREQ ? AR_TxIntrReq : 0)
>> | (i->keyix != ATH9K_TXKEYIX_INVALID ? AR_DestIdxValid : 0)
>> @@ -306,6 +306,10 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
>> | set11nRateFlags(i->rates, 2)
>> | set11nRateFlags(i->rates, 3)
>> | SM(i->rtscts_rate, AR_RTSCTSRate);
>> +
>> + ACCESS_ONCE(ads->ds_ctl9) = SM(i->txpower, AR_XmitPower1);
>> + ACCESS_ONCE(ads->ds_ctl10) = SM(i->txpower, AR_XmitPower2);
>> + ACCESS_ONCE(ads->ds_ctl11) = SM(i->txpower, AR_XmitPower3);
>> }
>>
>> static int ar9002_hw_proc_txdesc(struct ath_hw *ah, void *ds,
>> diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
>> index 729ffbf..71e38e8 100644
>> --- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
>> +++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
>> @@ -101,7 +101,7 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
>>
>> ACCESS_ONCE(ads->ctl11) = (i->pkt_len & AR_FrameLen)
>> | (i->flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
>> - | SM(i->txpower, AR_XmitPower)
>> + | SM(i->txpower, AR_XmitPower0)
>> | (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
>> | (i->keyix != ATH9K_TXKEYIX_INVALID ? AR_DestIdxValid : 0)
>> | (i->flags & ATH9K_TXDESC_LOWRXCHAIN ? AR_LowRxChain : 0)
>> @@ -151,6 +151,10 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
>> | SM(i->rtscts_rate, AR_RTSCTSRate);
>>
>> ACCESS_ONCE(ads->ctl19) = AR_Not_Sounding;
>> +
>> + ACCESS_ONCE(ads->ctl20) = SM(i->txpower, AR_XmitPower1);
>> + ACCESS_ONCE(ads->ctl21) = SM(i->txpower, AR_XmitPower2);
>> + ACCESS_ONCE(ads->ctl22) = SM(i->txpower, AR_XmitPower3);
>> }
>>
>> static u16 ar9003_calc_ptr_chksum(struct ar9003_txc *ads)
>> diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h
>> index da76867..6c56caf 100644
>> --- a/drivers/net/wireless/ath/ath9k/mac.h
>> +++ b/drivers/net/wireless/ath/ath9k/mac.h
>> @@ -346,8 +346,14 @@ struct ar5416_desc {
>> #define AR_FrameLen 0x00000fff
>> #define AR_VirtMoreFrag 0x00001000
>> #define AR_TxCtlRsvd00 0x0000e000
>> -#define AR_XmitPower 0x003f0000
>> -#define AR_XmitPower_S 16
>> +#define AR_XmitPower0 0x003f0000
>> +#define AR_XmitPower0_S 16
>> +#define AR_XmitPower1 0x3f000000
>> +#define AR_XmitPower1_S 24
>> +#define AR_XmitPower2 0x3f000000
>> +#define AR_XmitPower2_S 24
>> +#define AR_XmitPower3 0x3f000000
>> +#define AR_XmitPower3_S 24
>> #define AR_RTSEnable 0x00400000
>> #define AR_VEOL 0x00800000
>> #define AR_ClrDestMask 0x01000000
>> --
>> 1.9.1
>>
>> _______________________________________________
>> ath9k-devel mailing list
>> [email protected]
>> https://lists.ath9k.org/mailman/listinfo/ath9k-devel
>



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