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yaml
---
r: 266075
b: refs/heads/master
c: 2b63a41
h: refs/heads/master
i:
  266073: 7c25f03
  266071: 1b25886
v: v3
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Felix Fietkau authored and John W. Linville committed Sep 16, 2011
1 parent fd85d35 commit 53047a0
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Showing 6 changed files with 276 additions and 2 deletions.
2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: 60f8cc60fa41b8c44662a3a4d99862e3b81cfa6f
refs/heads/master: 2b63a41d14245345d6c498506c5634613afa80c0
101 changes: 101 additions & 0 deletions trunk/drivers/net/wireless/ath/ath9k/ar9002_mac.c
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Original file line number Diff line number Diff line change
Expand Up @@ -170,6 +170,106 @@ static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
return true;
}

static void
ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
{
struct ar5416_desc *ads = AR5416DESC(ds);
u32 ctl1, ctl6;

ads->ds_txstatus0 = ads->ds_txstatus1 = 0;
ads->ds_txstatus2 = ads->ds_txstatus3 = 0;
ads->ds_txstatus4 = ads->ds_txstatus5 = 0;
ads->ds_txstatus6 = ads->ds_txstatus7 = 0;
ads->ds_txstatus8 = ads->ds_txstatus9 = 0;

ACCESS_ONCE(ads->ds_link) = i->link;
ACCESS_ONCE(ads->ds_data) = i->buf_addr[0];

ctl1 = i->buf_len[0] | (i->is_last ? 0 : AR_TxMore);
ctl6 = SM(i->keytype, AR_EncrType);

if (AR_SREV_9285(ah)) {
ads->ds_ctl8 = 0;
ads->ds_ctl9 = 0;
ads->ds_ctl10 = 0;
ads->ds_ctl11 = 0;
}

if ((i->is_first || i->is_last) &&
i->aggr != AGGR_BUF_MIDDLE && i->aggr != AGGR_BUF_LAST) {
ACCESS_ONCE(ads->ds_ctl2) = set11nTries(i->rates, 0)
| set11nTries(i->rates, 1)
| set11nTries(i->rates, 2)
| set11nTries(i->rates, 3)
| (i->dur_update ? AR_DurUpdateEna : 0)
| SM(0, AR_BurstDur);

ACCESS_ONCE(ads->ds_ctl3) = set11nRate(i->rates, 0)
| set11nRate(i->rates, 1)
| set11nRate(i->rates, 2)
| set11nRate(i->rates, 3);
} else {
ACCESS_ONCE(ads->ds_ctl2) = 0;
ACCESS_ONCE(ads->ds_ctl3) = 0;
}

if (!i->is_first) {
ACCESS_ONCE(ads->ds_ctl0) = 0;
ACCESS_ONCE(ads->ds_ctl1) = ctl1;
ACCESS_ONCE(ads->ds_ctl6) = ctl6;
return;
}

ctl1 |= (i->keyix != ATH9K_TXKEYIX_INVALID ? SM(i->keyix, AR_DestIdx) : 0)
| SM(i->type, AR_FrameType)
| (i->flags & ATH9K_TXDESC_NOACK ? AR_NoAck : 0)
| (i->flags & ATH9K_TXDESC_EXT_ONLY ? AR_ExtOnly : 0)
| (i->flags & ATH9K_TXDESC_EXT_AND_CTL ? AR_ExtAndCtl : 0);

switch (i->aggr) {
case AGGR_BUF_FIRST:
ctl6 |= SM(i->aggr_len, AR_AggrLen);
/* fall through */
case AGGR_BUF_MIDDLE:
ctl1 |= AR_IsAggr | AR_MoreAggr;
ctl6 |= SM(i->ndelim, AR_PadDelim);
break;
case AGGR_BUF_LAST:
ctl1 |= AR_IsAggr;
break;
case AGGR_BUF_NONE:
break;
}

ACCESS_ONCE(ads->ds_ctl0) = (i->pkt_len & AR_FrameLen)
| (i->flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
| SM(i->txpower, AR_XmitPower)
| (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
| (i->flags & ATH9K_TXDESC_INTREQ ? AR_TxIntrReq : 0)
| (i->keyix != ATH9K_TXKEYIX_INVALID ? AR_DestIdxValid : 0)
| (i->flags & ATH9K_TXDESC_CLRDMASK ? AR_ClrDestMask : 0)
| (i->flags & ATH9K_TXDESC_RTSENA ? AR_RTSEnable :
(i->flags & ATH9K_TXDESC_CTSENA ? AR_CTSEnable : 0));

ACCESS_ONCE(ads->ds_ctl1) = ctl1;
ACCESS_ONCE(ads->ds_ctl6) = ctl6;

if (i->aggr == AGGR_BUF_MIDDLE || i->aggr == AGGR_BUF_LAST)
return;

ACCESS_ONCE(ads->ds_ctl4) = set11nPktDurRTSCTS(i->rates, 0)
| set11nPktDurRTSCTS(i->rates, 1);

ACCESS_ONCE(ads->ds_ctl5) = set11nPktDurRTSCTS(i->rates, 2)
| set11nPktDurRTSCTS(i->rates, 3);

ACCESS_ONCE(ads->ds_ctl7) = set11nRateFlags(i->rates, 0)
| set11nRateFlags(i->rates, 1)
| set11nRateFlags(i->rates, 2)
| set11nRateFlags(i->rates, 3)
| SM(i->rtscts_rate, AR_RTSCTSRate);
}

static void ar9002_hw_fill_txdesc(struct ath_hw *ah, void *ds, u32 seglen,
bool is_firstseg, bool is_lastseg,
const void *ds0, dma_addr_t buf_addr,
Expand Down Expand Up @@ -433,6 +533,7 @@ 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_isr = ar9002_hw_get_isr;
ops->set_txdesc = ar9002_set_txdesc;
ops->fill_txdesc = ar9002_hw_fill_txdesc;
ops->proc_txdesc = ar9002_hw_proc_txdesc;
ops->set11n_txdesc = ar9002_hw_set11n_txdesc;
Expand Down
127 changes: 127 additions & 0 deletions trunk/drivers/net/wireless/ath/ath9k/ar9003_mac.c
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,132 @@ static void ar9003_hw_rx_enable(struct ath_hw *hw)
REG_WRITE(hw, AR_CR, 0);
}

static void
ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
{
struct ar9003_txc *ads = ds;
int checksum = 0;
u32 val, ctl12, ctl17;

val = (ATHEROS_VENDOR_ID << AR_DescId_S) |
(1 << AR_TxRxDesc_S) |
(1 << AR_CtrlStat_S) |
(i->qcu << AR_TxQcuNum_S) | 0x17;

checksum += val;
ACCESS_ONCE(ads->info) = val;

checksum += i->link;
ACCESS_ONCE(ads->link) = i->link;

checksum += i->buf_addr[0];
ACCESS_ONCE(ads->data0) = i->buf_addr[0];
checksum += i->buf_addr[1];
ACCESS_ONCE(ads->data1) = i->buf_addr[1];
checksum += i->buf_addr[2];
ACCESS_ONCE(ads->data2) = i->buf_addr[2];
checksum += i->buf_addr[3];
ACCESS_ONCE(ads->data3) = i->buf_addr[3];

checksum += (val = (i->buf_len[0] << AR_BufLen_S) & AR_BufLen);
ACCESS_ONCE(ads->ctl3) = val;
checksum += (val = (i->buf_len[1] << AR_BufLen_S) & AR_BufLen);
ACCESS_ONCE(ads->ctl5) = val;
checksum += (val = (i->buf_len[2] << AR_BufLen_S) & AR_BufLen);
ACCESS_ONCE(ads->ctl7) = val;
checksum += (val = (i->buf_len[3] << AR_BufLen_S) & AR_BufLen);
ACCESS_ONCE(ads->ctl9) = val;

checksum = (u16) (((checksum & 0xffff) + (checksum >> 16)) & 0xffff);
ACCESS_ONCE(ads->ctl10) = checksum;

if (i->is_first || i->is_last) {
ACCESS_ONCE(ads->ctl13) = set11nTries(i->rates, 0)
| set11nTries(i->rates, 1)
| set11nTries(i->rates, 2)
| set11nTries(i->rates, 3)
| (i->dur_update ? AR_DurUpdateEna : 0)
| SM(0, AR_BurstDur);

ACCESS_ONCE(ads->ctl14) = set11nRate(i->rates, 0)
| set11nRate(i->rates, 1)
| set11nRate(i->rates, 2)
| set11nRate(i->rates, 3);
} else {
ACCESS_ONCE(ads->ctl13) = 0;
ACCESS_ONCE(ads->ctl14) = 0;
}

ads->ctl20 = 0;
ads->ctl21 = 0;
ads->ctl22 = 0;

ctl17 = SM(i->keytype, AR_EncrType);
if (!i->is_first) {
ACCESS_ONCE(ads->ctl11) = 0;
ACCESS_ONCE(ads->ctl12) = i->is_last ? 0 : AR_TxMore;
ACCESS_ONCE(ads->ctl15) = 0;
ACCESS_ONCE(ads->ctl16) = 0;
ACCESS_ONCE(ads->ctl17) = ctl17;
ACCESS_ONCE(ads->ctl18) = 0;
ACCESS_ONCE(ads->ctl19) = 0;
return;
}

ACCESS_ONCE(ads->ctl11) = (i->pkt_len & AR_FrameLen)
| (i->flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
| SM(i->txpower, AR_XmitPower)
| (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
| (i->keyix != ATH9K_TXKEYIX_INVALID ? AR_DestIdxValid : 0)
| (i->flags & ATH9K_TXDESC_LOWRXCHAIN ? AR_LowRxChain : 0)
| (i->flags & ATH9K_TXDESC_CLRDMASK ? AR_ClrDestMask : 0)
| (i->flags & ATH9K_TXDESC_RTSENA ? AR_RTSEnable :
(i->flags & ATH9K_TXDESC_CTSENA ? AR_CTSEnable : 0));

ctl12 = (i->keyix != ATH9K_TXKEYIX_INVALID ?
SM(i->keyix, AR_DestIdx) : 0)
| SM(i->type, AR_FrameType)
| (i->flags & ATH9K_TXDESC_NOACK ? AR_NoAck : 0)
| (i->flags & ATH9K_TXDESC_EXT_ONLY ? AR_ExtOnly : 0)
| (i->flags & ATH9K_TXDESC_EXT_AND_CTL ? AR_ExtAndCtl : 0);

ctl17 |= (i->flags & ATH9K_TXDESC_LDPC ? AR_LDPC : 0);
switch (i->aggr) {
case AGGR_BUF_FIRST:
ctl17 |= SM(i->aggr_len, AR_AggrLen);
/* fall through */
case AGGR_BUF_MIDDLE:
ctl12 |= AR_IsAggr | AR_MoreAggr;
ctl17 |= SM(i->ndelim, AR_PadDelim);
break;
case AGGR_BUF_LAST:
ctl12 |= AR_IsAggr;
break;
case AGGR_BUF_NONE:
break;
}

val = (i->flags & ATH9K_TXDESC_PAPRD) >> ATH9K_TXDESC_PAPRD_S;
ctl12 |= SM(val, AR_PAPRDChainMask);

ACCESS_ONCE(ads->ctl12) = ctl12;
ACCESS_ONCE(ads->ctl17) = ctl17;

ACCESS_ONCE(ads->ctl15) = set11nPktDurRTSCTS(i->rates, 0)
| set11nPktDurRTSCTS(i->rates, 1);

ACCESS_ONCE(ads->ctl16) = set11nPktDurRTSCTS(i->rates, 2)
| set11nPktDurRTSCTS(i->rates, 3);

ACCESS_ONCE(ads->ctl18) = set11nRateFlags(i->rates, 0)
| set11nRateFlags(i->rates, 1)
| set11nRateFlags(i->rates, 2)
| set11nRateFlags(i->rates, 3)
| SM(i->rtscts_rate, AR_RTSCTSRate);

ACCESS_ONCE(ads->ctl19) = AR_Not_Sounding;
}

static u16 ar9003_calc_ptr_chksum(struct ar9003_txc *ads)
{
int checksum;
Expand Down Expand Up @@ -471,6 +597,7 @@ 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_isr = ar9003_hw_get_isr;
ops->set_txdesc = ar9003_set_txdesc;
ops->fill_txdesc = ar9003_hw_fill_txdesc;
ops->proc_txdesc = ar9003_hw_proc_txdesc;
ops->set11n_txdesc = ar9003_hw_set11n_txdesc;
Expand Down
6 changes: 6 additions & 0 deletions trunk/drivers/net/wireless/ath/ath9k/hw-ops.h
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Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,12 @@ static inline bool ath9k_hw_getisr(struct ath_hw *ah, enum ath9k_int *masked)
return ath9k_hw_ops(ah)->get_isr(ah, masked);
}

static inline void ath9k_hw_set_txdesc(struct ath_hw *ah, void *ds,
struct ath_tx_info *i)
{
return ath9k_hw_ops(ah)->set_txdesc(ah, ds, i);
}

static inline void ath9k_hw_filltxdesc(struct ath_hw *ah, void *ds, u32 seglen,
bool is_firstseg, bool is_lastseg,
const void *ds0, dma_addr_t buf_addr,
Expand Down
2 changes: 2 additions & 0 deletions trunk/drivers/net/wireless/ath/ath9k/hw.h
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Original file line number Diff line number Diff line change
Expand Up @@ -616,6 +616,8 @@ struct ath_hw_ops {
u8 rxchainmask,
bool longcal);
bool (*get_isr)(struct ath_hw *ah, enum ath9k_int *masked);
void (*set_txdesc)(struct ath_hw *ah, void *ds,
struct ath_tx_info *i);
void (*fill_txdesc)(struct ath_hw *ah, void *ds, u32 seglen,
bool is_firstseg, bool is_is_lastseg,
const void *ds0, dma_addr_t buf_addr,
Expand Down
40 changes: 39 additions & 1 deletion trunk/drivers/net/wireless/ath/ath9k/mac.h
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Original file line number Diff line number Diff line change
Expand Up @@ -263,7 +263,11 @@ struct ath_desc {
#define ATH9K_TXDESC_VMF 0x0100
#define ATH9K_TXDESC_FRAG_IS_ON 0x0200
#define ATH9K_TXDESC_LOWRXCHAIN 0x0400
#define ATH9K_TXDESC_LDPC 0x00010000
#define ATH9K_TXDESC_LDPC 0x0800
#define ATH9K_TXDESC_CLRDMASK 0x1000

#define ATH9K_TXDESC_PAPRD 0x70000
#define ATH9K_TXDESC_PAPRD_S 16

#define ATH9K_RXDESC_INTREQ 0x0020

Expand Down Expand Up @@ -660,13 +664,47 @@ struct ath9k_11n_rate_series {
u32 RateFlags;
};

enum aggr_type {
AGGR_BUF_NONE,
AGGR_BUF_FIRST,
AGGR_BUF_MIDDLE,
AGGR_BUF_LAST,
};

enum ath9k_key_type {
ATH9K_KEY_TYPE_CLEAR,
ATH9K_KEY_TYPE_WEP,
ATH9K_KEY_TYPE_AES,
ATH9K_KEY_TYPE_TKIP,
};

struct ath_tx_info {
u8 qcu;

bool is_first;
bool is_last;

enum aggr_type aggr;
u8 ndelim;
u16 aggr_len;

dma_addr_t link;
int pkt_len;
u32 flags;

dma_addr_t buf_addr[4];
int buf_len[4];

struct ath9k_11n_rate_series rates[4];
u8 rtscts_rate;
bool dur_update;

enum ath9k_pkt_type type;
enum ath9k_key_type keytype;
u8 keyix;
u8 txpower;
};

struct ath_hw;
struct ath9k_channel;
enum ath9k_int;
Expand Down

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