host_cmd_tlv_gwk_cipher
struct host_cmd_tlv_gwk_cipher *gwk_cipher;
gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv;
cpu_to_le16(sizeof(struct host_cmd_tlv_gwk_cipher) -
cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher);
tlv += sizeof(struct host_cmd_tlv_gwk_cipher);