diff options
| author | Gertjan van Wingerde <gwingerde@gmail.com> | 2009-12-04 23:47:01 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-12-21 18:56:30 -0500 |
| commit | 77e73d1849c860d22ebba8826ad162ccfda4c535 (patch) | |
| tree | a4e238c8dd4f2e1c813619f092eca1668b947815 /drivers/net/wireless/rt2x00/rt2x00.h | |
| parent | 1398d4580eff2656f3a808ec24744ce5a842db35 (diff) | |
rt2x00: Further L2 padding fixes.
Fix a couple of more bugs in the L2 padding code:
1. Compute the amount of L2 padding correctly (in 3 places).
2. Trim the skb correctly when the L2 padding has been applied.
Also introduce a central macro the compute the L2 padding size.
Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <ivdoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00.h')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index 4d841c07c97..194dae01d0c 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -104,6 +104,12 @@ #define GET_DURATION_RES(__size, __rate)(((__size) * 8 * 10) % (__rate)) /* + * Determine the number of L2 padding bytes required between the header and + * the payload. + */ +#define L2PAD_SIZE(__hdrlen) (-(__hdrlen) & 3) + +/* * Determine the alignment requirement, * to make sure the 802.11 payload is padded to a 4-byte boundrary * we must determine the address of the payload and calculate the |