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-rw-r--r--drivers/net/wireless/ath/ath9k/ar9002_mac.c101
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9003_mac.c127
-rw-r--r--drivers/net/wireless/ath/ath9k/hw-ops.h6
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.h2
-rw-r--r--drivers/net/wireless/ath/ath9k/mac.h40
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 33deb0d574b0..cb86c9577085 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 c3179d9bdc38..e3382d5013c5 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 dd9003ee123b..5310f9616506 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 780cd0268ae1..0efe0134ff4a 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 2a523709ca9c..ca71bb4ae916 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;