diff options
| author | Bob Copeland <me@bobcopeland.com> | 2008-12-18 23:23:05 -0500 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-12-19 15:24:02 -0500 |
| commit | fd6effcaf8a894c0a0f602b943dbc54a170d4418 (patch) | |
| tree | 121c93ef571292b7a9d9e89294ba88f29c75ae3e /drivers/net/wireless/ath5k/desc.c | |
| parent | 520eb82076993b7f55ef9b80771d264272e5127b (diff) | |
ath5k: correct packet length in tx descriptors
Packet length calculation (which includes frame check sequence)
should take into account whether we add a pad field or not.
Extract the calculation into a helper and use it in both places.
Changes to desc.c
Changes-licensed-under: ISC
Changes to ath5k.h, base.c
Changes-licensed-under: 3-Clause-BSD
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath5k/desc.c')
| -rw-r--r-- | drivers/net/wireless/ath5k/desc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath5k/desc.c b/drivers/net/wireless/ath5k/desc.c index 5e362a7a362..b40a9287a39 100644 --- a/drivers/net/wireless/ath5k/desc.c +++ b/drivers/net/wireless/ath5k/desc.c @@ -71,7 +71,7 @@ ath5k_hw_setup_2word_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc, /* Verify and set frame length */ /* remove padding we might have added before */ - frame_len = pkt_len - (hdr_len & 3) + FCS_LEN; + frame_len = pkt_len - ath5k_pad_size(hdr_len) + FCS_LEN; if (frame_len & ~AR5K_2W_TX_DESC_CTL0_FRAME_LEN) return -EINVAL; @@ -202,7 +202,7 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *ah, /* Verify and set frame length */ /* remove padding we might have added before */ - frame_len = pkt_len - (hdr_len & 3) + FCS_LEN; + frame_len = pkt_len - ath5k_pad_size(hdr_len) + FCS_LEN; if (frame_len & ~AR5K_4W_TX_DESC_CTL0_FRAME_LEN) return -EINVAL; |