diff options
| author | Jouni Malinen <jouni@qca.qualcomm.com> | 2015-01-24 18:52:07 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2015-01-27 11:07:35 +0100 |
| commit | 2b2ba0db1c820d04d5143452d70012cd44d7b578 (patch) | |
| tree | 7c186fc249d191d9ecba66e740e7a4c922a986d5 /net/mac80211/rx.c | |
| parent | mac80111: Add GCMP and GCMP-256 ciphers (diff) | |
| download | linux-2b2ba0db1c820d04d5143452d70012cd44d7b578.tar.xz linux-2b2ba0db1c820d04d5143452d70012cd44d7b578.zip | |
mac80111: Add CCMP-256 cipher
This allows mac80211 to configure CCMP-256 to the driver and also use
software-implementation within mac80211 when the driver does not support
this with hardware accelaration.
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
[squash ccmp256 -> mic_len argument change]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/rx.c')
| -rw-r--r-- | net/mac80211/rx.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index a11d2518c365..e8c6ba5ce70b 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1650,7 +1650,12 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx) result = ieee80211_crypto_tkip_decrypt(rx); break; case WLAN_CIPHER_SUITE_CCMP: - result = ieee80211_crypto_ccmp_decrypt(rx); + result = ieee80211_crypto_ccmp_decrypt( + rx, IEEE80211_CCMP_MIC_LEN); + break; + case WLAN_CIPHER_SUITE_CCMP_256: + result = ieee80211_crypto_ccmp_decrypt( + rx, IEEE80211_CCMP_256_MIC_LEN); break; case WLAN_CIPHER_SUITE_AES_CMAC: result = ieee80211_crypto_aes_cmac_decrypt(rx); @@ -1785,7 +1790,9 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx) /* This is the first fragment of a new frame. */ entry = ieee80211_reassemble_add(rx->sdata, frag, seq, rx->seqno_idx, &(rx->skb)); - if (rx->key && rx->key->conf.cipher == WLAN_CIPHER_SUITE_CCMP && + if (rx->key && + (rx->key->conf.cipher == WLAN_CIPHER_SUITE_CCMP || + rx->key->conf.cipher == WLAN_CIPHER_SUITE_CCMP_256) && ieee80211_has_protected(fc)) { int queue = rx->security_idx; /* Store CCMP PN so that we can verify that the next @@ -1814,7 +1821,9 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx) int i; u8 pn[IEEE80211_CCMP_PN_LEN], *rpn; int queue; - if (!rx->key || rx->key->conf.cipher != WLAN_CIPHER_SUITE_CCMP) + if (!rx->key || + (rx->key->conf.cipher != WLAN_CIPHER_SUITE_CCMP && + rx->key->conf.cipher != WLAN_CIPHER_SUITE_CCMP_256)) return RX_DROP_UNUSABLE; memcpy(pn, entry->last_pn, IEEE80211_CCMP_PN_LEN); for (i = IEEE80211_CCMP_PN_LEN - 1; i >= 0; i--) { |