diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2023-04-16 15:47:36 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2023-04-17 09:53:25 +0200 |
| commit | 8642ddb2a363cab424fd6975165007f308de75ba (patch) | |
| tree | 946c9a92b9a219b93418c29820120031857a9ed9 /drivers/net/wireless/intel/iwlwifi/mvm/mld-key.c | |
| parent | 7a243c6b680694caca0d0d330eeb17ef8c2b2cd2 (diff) | |
wifi: iwlwifi: mvm: implement key link switching
Implement switching keys from one set of firmware station IDs
to another set, during link switch.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230416154301.c6a777dd5e47.I693f7fd7c52fe8b51a58af69d45488511367f49e@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/mld-key.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/mld-key.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mld-key.c b/drivers/net/wireless/intel/iwlwifi/mvm/mld-key.c index a8ab35473924..8853821b3716 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mld-key.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mld-key.c @@ -97,6 +97,59 @@ static u32 iwl_mvm_get_sec_flags(struct iwl_mvm *mvm, return flags; } +struct iwl_mvm_sta_key_update_data { + struct ieee80211_sta *sta; + u32 old_sta_mask; + u32 new_sta_mask; + int err; +}; + +static void iwl_mvm_mld_update_sta_key(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key, + void *_data) +{ + u32 cmd_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); + struct iwl_mvm_sta_key_update_data *data = _data; + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct iwl_sec_key_cmd cmd = { + .action = cpu_to_le32(FW_CTXT_ACTION_MODIFY), + .u.modify.old_sta_mask = cpu_to_le32(data->old_sta_mask), + .u.modify.new_sta_mask = cpu_to_le32(data->new_sta_mask), + .u.modify.key_id = cpu_to_le32(key->keyidx), + .u.modify.key_flags = + cpu_to_le32(iwl_mvm_get_sec_flags(mvm, vif, sta, key)), + }; + int err; + + /* only need to do this for pairwise keys (link_id == -1) */ + if (sta != data->sta || key->link_id >= 0) + return; + + err = iwl_mvm_send_cmd_pdu(mvm, cmd_id, CMD_ASYNC, sizeof(cmd), &cmd); + + if (err) + data->err = err; +} + +int iwl_mvm_mld_update_sta_keys(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + u32 old_sta_mask, + u32 new_sta_mask) +{ + struct iwl_mvm_sta_key_update_data data = { + .sta = sta, + .old_sta_mask = old_sta_mask, + .new_sta_mask = new_sta_mask, + }; + + ieee80211_iter_keys_rcu(mvm->hw, vif, iwl_mvm_mld_update_sta_key, + &data); + return data.err; +} + static int __iwl_mvm_sec_key_del(struct iwl_mvm *mvm, u32 sta_mask, u32 key_flags, u32 keyidx, u32 flags) { |