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path: root/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/sta.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/sta.c96
1 files changed, 68 insertions, 28 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
index 41fd3ba574c0..26155e2efa84 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
@@ -2738,68 +2738,97 @@ static struct iwl_mvm_sta *iwl_mvm_get_key_sta(struct iwl_mvm *mvm,
static int iwl_mvm_send_sta_key(struct iwl_mvm *mvm,
struct iwl_mvm_sta *mvm_sta,
- struct ieee80211_key_conf *keyconf, bool mcast,
+ struct ieee80211_key_conf *key, bool mcast,
u32 tkip_iv32, u16 *tkip_p1k, u32 cmd_flags,
u8 key_offset)
{
- struct iwl_mvm_add_sta_key_cmd cmd = {};
+ union {
+ struct iwl_mvm_add_sta_key_cmd_v1 cmd_v1;
+ struct iwl_mvm_add_sta_key_cmd cmd;
+ } u = {};
__le16 key_flags;
int ret;
u32 status;
u16 keyidx;
- int i;
- u8 sta_id = mvm_sta->sta_id;
+ u64 pn = 0;
+ int i, size;
+ bool new_api = fw_has_api(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_API_TKIP_MIC_KEYS);
- keyidx = (keyconf->keyidx << STA_KEY_FLG_KEYID_POS) &
+ keyidx = (key->keyidx << STA_KEY_FLG_KEYID_POS) &
STA_KEY_FLG_KEYID_MSK;
key_flags = cpu_to_le16(keyidx);
key_flags |= cpu_to_le16(STA_KEY_FLG_WEP_KEY_MAP);
- switch (keyconf->cipher) {
+ switch (key->cipher) {
case WLAN_CIPHER_SUITE_TKIP:
key_flags |= cpu_to_le16(STA_KEY_FLG_TKIP);
- cmd.tkip_rx_tsc_byte2 = tkip_iv32;
- for (i = 0; i < 5; i++)
- cmd.tkip_rx_ttak[i] = cpu_to_le16(tkip_p1k[i]);
- memcpy(cmd.key, keyconf->key, keyconf->keylen);
+ if (new_api) {
+ memcpy((void *)&u.cmd.tx_mic_key,
+ &key->key[NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY],
+ IWL_MIC_KEY_SIZE);
+
+ memcpy((void *)&u.cmd.rx_mic_key,
+ &key->key[NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY],
+ IWL_MIC_KEY_SIZE);
+ pn = atomic64_read(&key->tx_pn);
+
+ } else {
+ u.cmd_v1.tkip_rx_tsc_byte2 = tkip_iv32;
+ for (i = 0; i < 5; i++)
+ u.cmd_v1.tkip_rx_ttak[i] =
+ cpu_to_le16(tkip_p1k[i]);
+ }
+ memcpy(u.cmd.common.key, key->key, key->keylen);
break;
case WLAN_CIPHER_SUITE_CCMP:
key_flags |= cpu_to_le16(STA_KEY_FLG_CCM);
- memcpy(cmd.key, keyconf->key, keyconf->keylen);
+ memcpy(u.cmd.common.key, key->key, key->keylen);
+ if (new_api)
+ pn = atomic64_read(&key->tx_pn);
break;
case WLAN_CIPHER_SUITE_WEP104:
key_flags |= cpu_to_le16(STA_KEY_FLG_WEP_13BYTES);
/* fall through */
case WLAN_CIPHER_SUITE_WEP40:
key_flags |= cpu_to_le16(STA_KEY_FLG_WEP);
- memcpy(cmd.key + 3, keyconf->key, keyconf->keylen);
+ memcpy(u.cmd.common.key + 3, key->key, key->keylen);
break;
case WLAN_CIPHER_SUITE_GCMP_256:
key_flags |= cpu_to_le16(STA_KEY_FLG_KEY_32BYTES);
/* fall through */
case WLAN_CIPHER_SUITE_GCMP:
key_flags |= cpu_to_le16(STA_KEY_FLG_GCMP);
- memcpy(cmd.key, keyconf->key, keyconf->keylen);
+ memcpy(u.cmd.common.key, key->key, key->keylen);
+ if (new_api)
+ pn = atomic64_read(&key->tx_pn);
break;
default:
key_flags |= cpu_to_le16(STA_KEY_FLG_EXT);
- memcpy(cmd.key, keyconf->key, keyconf->keylen);
+ memcpy(u.cmd.common.key, key->key, key->keylen);
}
if (mcast)
key_flags |= cpu_to_le16(STA_KEY_MULTICAST);
- cmd.key_offset = key_offset;
- cmd.key_flags = key_flags;
- cmd.sta_id = sta_id;
+ u.cmd.common.key_offset = key_offset;
+ u.cmd.common.key_flags = key_flags;
+ u.cmd.common.sta_id = mvm_sta->sta_id;
+
+ if (new_api) {
+ u.cmd.transmit_seq_cnt = cpu_to_le64(pn);
+ size = sizeof(u.cmd);
+ } else {
+ size = sizeof(u.cmd_v1);
+ }
status = ADD_STA_SUCCESS;
if (cmd_flags & CMD_ASYNC)
- ret = iwl_mvm_send_cmd_pdu(mvm, ADD_STA_KEY, CMD_ASYNC,
- sizeof(cmd), &cmd);
+ ret = iwl_mvm_send_cmd_pdu(mvm, ADD_STA_KEY, CMD_ASYNC, size,
+ &u.cmd);
else
- ret = iwl_mvm_send_cmd_pdu_status(mvm, ADD_STA_KEY, sizeof(cmd),
- &cmd, &status);
+ ret = iwl_mvm_send_cmd_pdu_status(mvm, ADD_STA_KEY, size,
+ &u.cmd, &status);
switch (status) {
case ADD_STA_SUCCESS:
@@ -2952,9 +2981,14 @@ static int __iwl_mvm_remove_sta_key(struct iwl_mvm *mvm, u8 sta_id,
struct ieee80211_key_conf *keyconf,
bool mcast)
{
- struct iwl_mvm_add_sta_key_cmd cmd = {};
+ union {
+ struct iwl_mvm_add_sta_key_cmd_v1 cmd_v1;
+ struct iwl_mvm_add_sta_key_cmd cmd;
+ } u = {};
+ bool new_api = fw_has_api(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_API_TKIP_MIC_KEYS);
__le16 key_flags;
- int ret;
+ int ret, size;
u32 status;
key_flags = cpu_to_le16((keyconf->keyidx << STA_KEY_FLG_KEYID_POS) &
@@ -2965,13 +2999,19 @@ static int __iwl_mvm_remove_sta_key(struct iwl_mvm *mvm, u8 sta_id,
if (mcast)
key_flags |= cpu_to_le16(STA_KEY_MULTICAST);
- cmd.key_flags = key_flags;
- cmd.key_offset = keyconf->hw_key_idx;
- cmd.sta_id = sta_id;
+ /*
+ * The fields assigned here are in the same location at the start
+ * of the command, so we can do this union trick.
+ */
+ u.cmd.common.key_flags = key_flags;
+ u.cmd.common.key_offset = keyconf->hw_key_idx;
+ u.cmd.common.sta_id = sta_id;
+
+ size = new_api ? sizeof(u.cmd) : sizeof(u.cmd_v1);
status = ADD_STA_SUCCESS;
- ret = iwl_mvm_send_cmd_pdu_status(mvm, ADD_STA_KEY, sizeof(cmd),
- &cmd, &status);
+ ret = iwl_mvm_send_cmd_pdu_status(mvm, ADD_STA_KEY, size, &u.cmd,
+ &status);
switch (status) {
case ADD_STA_SUCCESS: