diff options
| -rw-r--r-- | drivers/staging/vt6656/card.c | 159 | ||||
| -rw-r--r-- | drivers/staging/vt6656/card.h | 2 |
2 files changed, 79 insertions, 82 deletions
diff --git a/drivers/staging/vt6656/card.c b/drivers/staging/vt6656/card.c index 43554e0549c..58d31bc7a1c 100644 --- a/drivers/staging/vt6656/card.c +++ b/drivers/staging/vt6656/card.c @@ -385,95 +385,92 @@ void CARDvSetRSPINF(struct vnt_private *priv, u8 bb_type) * * Parameters: * In: - * pDevice - The adapter to be set - * Out: - * none + * priv - The adapter to be set + * Out: + * none * * Return Value: None. * */ -void vUpdateIFS(struct vnt_private *pDevice) +void vUpdateIFS(struct vnt_private *priv) { - u8 byMaxMin = 0; - u8 byData[4]; - - if (pDevice->byPacketType==PK_TYPE_11A) {//0000 0000 0000 0000,11a - pDevice->uSlot = C_SLOT_SHORT; - pDevice->uSIFS = C_SIFS_A; - pDevice->uDIFS = C_SIFS_A + 2*C_SLOT_SHORT; - pDevice->uCwMin = C_CWMIN_A; - byMaxMin = 4; - } - else if (pDevice->byPacketType==PK_TYPE_11B) {//0000 0001 0000 0000,11b - pDevice->uSlot = C_SLOT_LONG; - pDevice->uSIFS = C_SIFS_BG; - pDevice->uDIFS = C_SIFS_BG + 2*C_SLOT_LONG; - pDevice->uCwMin = C_CWMIN_B; - byMaxMin = 5; - } - else {// PK_TYPE_11GA & PK_TYPE_11GB - u8 byRate = 0; - bool bOFDMRate = false; - unsigned int ii = 0; - PWLAN_IE_SUPP_RATES pItemRates = NULL; - - pDevice->uSIFS = C_SIFS_BG; - if (pDevice->bShortSlotTime) { - pDevice->uSlot = C_SLOT_SHORT; - } else { - pDevice->uSlot = C_SLOT_LONG; - } - pDevice->uDIFS = C_SIFS_BG + 2*pDevice->uSlot; - - pItemRates = (PWLAN_IE_SUPP_RATES)pDevice->vnt_mgmt.abyCurrSuppRates; - for (ii = 0; ii < pItemRates->len; ii++) { - byRate = (u8)(pItemRates->abyRates[ii]&0x7F); - if (RATEwGetRateIdx(byRate) > RATE_11M) { - bOFDMRate = true; - break; - } - } - if (bOFDMRate == false) { - pItemRates = (PWLAN_IE_SUPP_RATES)pDevice->vnt_mgmt - .abyCurrExtSuppRates; - for (ii = 0; ii < pItemRates->len; ii++) { - byRate = (u8)(pItemRates->abyRates[ii]&0x7F); - if (RATEwGetRateIdx(byRate) > RATE_11M) { - bOFDMRate = true; - break; - } - } - } - if (bOFDMRate == true) { - pDevice->uCwMin = C_CWMIN_A; - byMaxMin = 4; - } else { - pDevice->uCwMin = C_CWMIN_B; - byMaxMin = 5; - } - } + u8 max_min = 0; + u8 data[4]; + + if (priv->byPacketType == PK_TYPE_11A) { + priv->uSlot = C_SLOT_SHORT; + priv->uSIFS = C_SIFS_A; + priv->uDIFS = C_SIFS_A + 2 * C_SLOT_SHORT; + priv->uCwMin = C_CWMIN_A; + max_min = 4; + } else if (priv->byPacketType == PK_TYPE_11B) { + priv->uSlot = C_SLOT_LONG; + priv->uSIFS = C_SIFS_BG; + priv->uDIFS = C_SIFS_BG + 2 * C_SLOT_LONG; + priv->uCwMin = C_CWMIN_B; + max_min = 5; + } else {/* PK_TYPE_11GA & PK_TYPE_11GB */ + u8 rate = 0; + bool ofdm_rate = false; + unsigned int ii = 0; + PWLAN_IE_SUPP_RATES item_rates = NULL; + + priv->uSIFS = C_SIFS_BG; + + if (priv->bShortSlotTime) + priv->uSlot = C_SLOT_SHORT; + else + priv->uSlot = C_SLOT_LONG; + + priv->uDIFS = C_SIFS_BG + 2 * priv->uSlot; + + item_rates = + (PWLAN_IE_SUPP_RATES)priv->vnt_mgmt.abyCurrSuppRates; + + for (ii = 0; ii < item_rates->len; ii++) { + rate = (u8)(item_rates->abyRates[ii] & 0x7f); + if (RATEwGetRateIdx(rate) > RATE_11M) { + ofdm_rate = true; + break; + } + } - pDevice->uCwMax = C_CWMAX; - pDevice->uEIFS = C_EIFS; + if (ofdm_rate == false) { + item_rates = (PWLAN_IE_SUPP_RATES)priv->vnt_mgmt + .abyCurrExtSuppRates; + for (ii = 0; ii < item_rates->len; ii++) { + rate = (u8)(item_rates->abyRates[ii] & 0x7f); + if (RATEwGetRateIdx(rate) > RATE_11M) { + ofdm_rate = true; + break; + } + } + } - byData[0] = (u8)pDevice->uSIFS; - byData[1] = (u8)pDevice->uDIFS; - byData[2] = (u8)pDevice->uEIFS; - byData[3] = (u8)pDevice->uSlot; - CONTROLnsRequestOut(pDevice, - MESSAGE_TYPE_WRITE, - MAC_REG_SIFS, - MESSAGE_REQUEST_MACREG, - 4, - &byData[0]); + if (ofdm_rate == true) { + priv->uCwMin = C_CWMIN_A; + max_min = 4; + } else { + priv->uCwMin = C_CWMIN_B; + max_min = 5; + } + } - byMaxMin |= 0xA0;//1010 1111,C_CWMAX = 1023 - CONTROLnsRequestOut(pDevice, - MESSAGE_TYPE_WRITE, - MAC_REG_CWMAXMIN0, - MESSAGE_REQUEST_MACREG, - 1, - &byMaxMin); + priv->uCwMax = C_CWMAX; + priv->uEIFS = C_EIFS; + + data[0] = (u8)priv->uSIFS; + data[1] = (u8)priv->uDIFS; + data[2] = (u8)priv->uEIFS; + data[3] = (u8)priv->uSlot; + + CONTROLnsRequestOut(priv, MESSAGE_TYPE_WRITE, MAC_REG_SIFS, + MESSAGE_REQUEST_MACREG, 4, &data[0]); + + max_min |= 0xa0; + + CONTROLnsRequestOut(priv, MESSAGE_TYPE_WRITE, MAC_REG_CWMAXMIN0, + MESSAGE_REQUEST_MACREG, 1, &max_min); } void CARDvUpdateBasicTopRate(struct vnt_private *pDevice) diff --git a/drivers/staging/vt6656/card.h b/drivers/staging/vt6656/card.h index 6123c132610..4986e2dd638 100644 --- a/drivers/staging/vt6656/card.h +++ b/drivers/staging/vt6656/card.h @@ -47,7 +47,7 @@ struct vnt_private; void CARDbSetMediaChannel(struct vnt_private *pDevice, u32 uConnectionChannel); void CARDvSetRSPINF(struct vnt_private *, u8); -void vUpdateIFS(struct vnt_private *pDevice); +void vUpdateIFS(struct vnt_private *); void CARDvUpdateBasicTopRate(struct vnt_private *pDevice); void CARDbAddBasicRate(struct vnt_private *pDevice, u16 wRateIdx); int CARDbIsOFDMinBasicRate(struct vnt_private *pDevice); |