diff options
Diffstat (limited to 'drivers/net/wireless/ath5k/hw.c')
| -rw-r--r-- | drivers/net/wireless/ath5k/hw.c | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/drivers/net/wireless/ath5k/hw.c b/drivers/net/wireless/ath5k/hw.c index 3a4bf4035a23..1ab57aa6e4dc 100644 --- a/drivers/net/wireless/ath5k/hw.c +++ b/drivers/net/wireless/ath5k/hw.c @@ -3506,7 +3506,7 @@ ath5k_hw_setup_2word_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc, { u32 frame_type; struct ath5k_hw_2w_tx_desc *tx_desc; - unsigned int buff_len; + unsigned int frame_len; tx_desc = (struct ath5k_hw_2w_tx_desc *)&desc->ds_ctl0; @@ -3537,22 +3537,25 @@ ath5k_hw_setup_2word_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc, /* Setup control descriptor */ /* Verify and set frame length */ - if (pkt_len & ~AR5K_2W_TX_DESC_CTL0_FRAME_LEN) + + /* remove padding we might have added before */ + frame_len = pkt_len - (hdr_len & 3) + FCS_LEN; + + if (frame_len & ~AR5K_2W_TX_DESC_CTL0_FRAME_LEN) return -EINVAL; - tx_desc->tx_control_0 = pkt_len & AR5K_2W_TX_DESC_CTL0_FRAME_LEN; + tx_desc->tx_control_0 = frame_len & AR5K_2W_TX_DESC_CTL0_FRAME_LEN; /* Verify and set buffer length */ - buff_len = pkt_len - FCS_LEN; /* NB: beacon's BufLen must be a multiple of 4 bytes */ if(type == AR5K_PKT_TYPE_BEACON) - buff_len = roundup(buff_len, 4); + pkt_len = roundup(pkt_len, 4); - if (buff_len & ~AR5K_2W_TX_DESC_CTL1_BUF_LEN) + if (pkt_len & ~AR5K_2W_TX_DESC_CTL1_BUF_LEN) return -EINVAL; - tx_desc->tx_control_1 = buff_len & AR5K_2W_TX_DESC_CTL1_BUF_LEN; + tx_desc->tx_control_1 = pkt_len & AR5K_2W_TX_DESC_CTL1_BUF_LEN; /* * Verify and set header length @@ -3634,7 +3637,7 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *ah, { struct ath5k_hw_4w_tx_desc *tx_desc; struct ath5k_hw_tx_status *tx_status; - unsigned int buff_len; + unsigned int frame_len; ATH5K_TRACE(ah->ah_sc); tx_desc = (struct ath5k_hw_4w_tx_desc *)&desc->ds_ctl0; @@ -3669,22 +3672,25 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *ah, /* Setup control descriptor */ /* Verify and set frame length */ - if (pkt_len & ~AR5K_4W_TX_DESC_CTL0_FRAME_LEN) + + /* remove padding we might have added before */ + frame_len = pkt_len - (hdr_len & 3) + FCS_LEN; + + if (frame_len & ~AR5K_4W_TX_DESC_CTL0_FRAME_LEN) return -EINVAL; - tx_desc->tx_control_0 = pkt_len & AR5K_4W_TX_DESC_CTL0_FRAME_LEN; + tx_desc->tx_control_0 = frame_len & AR5K_4W_TX_DESC_CTL0_FRAME_LEN; /* Verify and set buffer length */ - buff_len = pkt_len - FCS_LEN; /* NB: beacon's BufLen must be a multiple of 4 bytes */ if(type == AR5K_PKT_TYPE_BEACON) - buff_len = roundup(buff_len, 4); + pkt_len = roundup(pkt_len, 4); - if (buff_len & ~AR5K_4W_TX_DESC_CTL1_BUF_LEN) + if (pkt_len & ~AR5K_4W_TX_DESC_CTL1_BUF_LEN) return -EINVAL; - tx_desc->tx_control_1 = buff_len & AR5K_4W_TX_DESC_CTL1_BUF_LEN; + tx_desc->tx_control_1 = pkt_len & AR5K_4W_TX_DESC_CTL1_BUF_LEN; tx_desc->tx_control_0 |= AR5K_REG_SM(tx_power, AR5K_4W_TX_DESC_CTL0_XMIT_POWER) | |
