diff options
| author | Jussi Kivilinna <jussi.kivilinna@mbnet.fi> | 2009-05-22 17:40:20 +0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-05-22 14:06:03 -0400 |
| commit | b4703a2e32fdffbf83caf699817b21c4fc6d987c (patch) | |
| tree | 3f861398c59de9895225aef476a6dd80a749f2a9 | |
| parent | 9656e85ba24a9814f1705e0e3639281d15d6a419 (diff) | |
| download | linux-topics-b4703a2e32fdffbf83caf699817b21c4fc6d987c.tar.gz | |
rndis_wlan: explain bits used in key setup code.
Driver uses some unnamed bits to control encryption setup. Move these to
enumerations with proper names explaining their meaning.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/rndis_wlan.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c index 4b3e04699a6..041680019a8 100644 --- a/drivers/net/wireless/rndis_wlan.c +++ b/drivers/net/wireless/rndis_wlan.c @@ -196,6 +196,18 @@ enum ndis_80211_priv_filter { ndis_80211_priv_8021x_wep }; +enum ndis_80211_addkey_bits { + ndis_80211_addkey_8021x_auth = cpu_to_le32(1 << 28), + ndis_80211_addkey_set_init_recv_seq = cpu_to_le32(1 << 29), + ndis_80211_addkey_pairwise_key = cpu_to_le32(1 << 30), + ndis_80211_addkey_transmit_key = cpu_to_le32(1 << 31), +}; + +enum ndis_80211_addwep_bits { + ndis_80211_addwep_perclient_key = cpu_to_le32(1 << 30), + ndis_80211_addwep_transmit_key = cpu_to_le32(1 << 31), +}; + struct ndis_80211_ssid { __le32 length; u8 essid[NDIS_802_11_LENGTH_SSID]; @@ -998,7 +1010,7 @@ static int add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index) memcpy(&ndis_key.material, key, key_len); if (index == priv->encr_tx_key_index) { - ndis_key.index |= cpu_to_le32(1 << 31); + ndis_key.index |= ndis_80211_addwep_transmit_key; ret = set_encr_mode(usbdev, IW_AUTH_CIPHER_WEP104, IW_AUTH_CIPHER_NONE); if (ret) @@ -1044,7 +1056,8 @@ static int remove_key(struct usbnet *usbdev, int index, u8 bssid[ETH_ALEN]) if (bssid) { /* pairwise key */ if (memcmp(bssid, ffff_bssid, ETH_ALEN) != 0) - remove_key.index |= cpu_to_le32(1 << 30); + remove_key.index |= + ndis_80211_addkey_pairwise_key; memcpy(remove_key.bssid, bssid, sizeof(remove_key.bssid)); } else @@ -1626,7 +1639,7 @@ static int rndis_iw_set_encode_ext(struct net_device *dev, if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) { memcpy(ndis_key.rsc, ext->rx_seq, 6); - ndis_key.index |= cpu_to_le32(1 << 29); + ndis_key.index |= ndis_80211_addkey_set_init_recv_seq; } addr = ext->addr.sa_data; @@ -1638,12 +1651,12 @@ static int rndis_iw_set_encode_ext(struct net_device *dev, get_bssid(usbdev, ndis_key.bssid); } else { /* pairwise key */ - ndis_key.index |= cpu_to_le32(1 << 30); + ndis_key.index |= ndis_80211_addkey_pairwise_key; memcpy(ndis_key.bssid, addr, ETH_ALEN); } if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) - ndis_key.index |= cpu_to_le32(1 << 31); + ndis_key.index |= ndis_80211_addkey_transmit_key; if (ext->alg == IW_ENCODE_ALG_TKIP && ext->key_len == 32) { /* wpa_supplicant gives us the Michael MIC RX/TX keys in |