diff options
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9002_mac.c | 101 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_mac.c | 127 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw-ops.h | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/mac.h | 40 |
5 files changed, 275 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_mac.c b/drivers/net/wireless/ath/ath9k/ar9002_mac.c index 33deb0d..cb86c95 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c @@ -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, @@ -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; diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c index c3179d9..e3382d5 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c @@ -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; @@ -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; diff --git a/drivers/net/wireless/ath/ath9k/hw-ops.h b/drivers/net/wireless/ath/ath9k/hw-ops.h index dd9003e..5310f96 100644 --- a/drivers/net/wireless/ath/ath9k/hw-ops.h +++ b/drivers/net/wireless/ath/ath9k/hw-ops.h @@ -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, diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index 780cd02..0efe013 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -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, diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h index 2a52370..ca71bb4 100644 --- a/drivers/net/wireless/ath/ath9k/mac.h +++ b/drivers/net/wireless/ath/ath9k/mac.h @@ -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 @@ -660,6 +664,13 @@ 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, @@ -667,6 +678,33 @@ enum ath9k_key_type { 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; |
