iwl_wep_key
struct iwl_wep_key key[];
struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
sizeof(struct iwl_wep_key) * WEP_KEYS_MAX];
(sizeof(struct iwl_wep_key) * WEP_KEYS_MAX));
cmd_size += sizeof(struct iwl_wep_key) * WEP_KEYS_MAX;