diff options
| author | Bob Copeland <me@bobcopeland.com> | 2008-11-27 00:17:25 +0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-12-05 17:32:13 +0300 |
| commit | f650470a8f506bc33a15778432ebb8cdcf89175b (patch) | |
| tree | 91d563ae28beaa01d229682ca7a299d70f047f74 /drivers/net/wireless/ath5k/pcu.c | |
| parent | 671434904633876f89be70af415c35c89fb90115 (diff) | |
| download | linux-f650470a8f506bc33a15778432ebb8cdcf89175b.tar.xz | |
ath5k: enable combined michael mic in key cache
For mac revisions >= "Griffin," the hardware allows the mic tx and rx
authenticator keys to share the same cache line, whereas earlier
hardware can only store the rx. Enable the combined mic on hardware
that supports it.
Changes to ath5k.h
Changes-licensed-under: 3-Clause-BSD
Changes to attach.c, pcu.c, reg.h
Changes-licensed-under: ISC
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath5k/pcu.c')
| -rw-r--r-- | drivers/net/wireless/ath5k/pcu.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/drivers/net/wireless/ath5k/pcu.c b/drivers/net/wireless/ath5k/pcu.c index ad7ea36502bd..dabe42219e2a 100644 --- a/drivers/net/wireless/ath5k/pcu.c +++ b/drivers/net/wireless/ath5k/pcu.c @@ -1096,20 +1096,20 @@ int ath5k_hw_set_key(struct ath5k_hw *ah, u16 entry, /* Install rx/tx MIC */ rxmic = (__le32 *) &key->key[16]; txmic = (__le32 *) &key->key[24]; -#if 0 - /* MISC_MODE register & 0x04 - for mac srev >= griffin */ - key_v[0] = rxmic[0]; - key_v[1] = (txmic[0] >> 16) & 0xffff; - key_v[2] = rxmic[1]; - key_v[3] = txmic[0] & 0xffff; - key_v[4] = txmic[1]; -#else - key_v[0] = rxmic[0]; - key_v[1] = 0; - key_v[2] = rxmic[1]; - key_v[3] = 0; - key_v[4] = 0; -#endif + + if (ah->ah_combined_mic) { + key_v[0] = rxmic[0]; + key_v[1] = (txmic[0] >> 16) & 0xffff; + key_v[2] = rxmic[1]; + key_v[3] = txmic[0] & 0xffff; + key_v[4] = txmic[1]; + } else { + key_v[0] = rxmic[0]; + key_v[1] = 0; + key_v[2] = rxmic[1]; + key_v[3] = 0; + key_v[4] = 0; + } for (i = 0; i < ARRAY_SIZE(key_v); i++) ath5k_hw_reg_write(ah, le32_to_cpu(key_v[i]), AR5K_KEYTABLE_OFF(micentry, i)); |