+ def rekey(self, p):
+ #
+ # change the key and the SPI
+ #
+ p.crypt_key = 'X' + p.crypt_key[1:]
+ p.scapy_tun_spi += 1
+ p.scapy_tun_sa_id += 1
+ p.vpp_tun_spi += 1
+ p.vpp_tun_sa_id += 1
+ p.tun_if.local_spi = p.vpp_tun_spi
+ p.tun_if.remote_spi = p.scapy_tun_spi
+
+ config_tun_params(p, self.encryption_type, self.tun_if)
+
+ p.tun_sa_in = VppIpsecSA(self,
+ p.scapy_tun_sa_id,
+ p.scapy_tun_spi,
+ p.auth_algo_vpp_id,
+ p.auth_key,
+ p.crypt_algo_vpp_id,
+ p.crypt_key,
+ self.vpp_esp_protocol,
+ self.tun_if.local_addr[p.addr_type],
+ self.tun_if.remote_addr[p.addr_type],
+ flags=p.flags,
+ salt=p.salt)
+ p.tun_sa_out = VppIpsecSA(self,
+ p.vpp_tun_sa_id,
+ p.vpp_tun_spi,
+ p.auth_algo_vpp_id,
+ p.auth_key,
+ p.crypt_algo_vpp_id,
+ p.crypt_key,
+ self.vpp_esp_protocol,
+ self.tun_if.remote_addr[p.addr_type],
+ self.tun_if.local_addr[p.addr_type],
+ flags=p.flags,
+ salt=p.salt)
+ p.tun_sa_in.add_vpp_config()
+ p.tun_sa_out.add_vpp_config()
+
+ self.vapi.ipsec_tunnel_if_set_sa(sw_if_index=p.tun_if.sw_if_index,
+ sa_id=p.tun_sa_in.id,
+ is_outbound=1)
+ self.vapi.ipsec_tunnel_if_set_sa(sw_if_index=p.tun_if.sw_if_index,
+ sa_id=p.tun_sa_out.id,
+ is_outbound=0)
+ self.logger.info(self.vapi.cli("sh ipsec sa"))
+