> -----Original Message----- > From: Artem Savkov [mailto:artem.sav...@gmail.com] > Sent: Sunday, February 11, 2018 10:34 AM > To: Yossi Kuperman <yoss...@mellanox.com>; Steffen Klassert > <steffen.klass...@secunet.com> > Cc: netdev@vger.kernel.org > Subject: ipsec through openvpn broken > > Hi Yossi, Steffen, > > I am using ipsec throug openvpn on one of my machines and it stopped
I was trying to reproduce it and install OpenVPN, but according to their website, it doesn’t support IPSec? > working since 4.15. Bisection showed that the culprit is: > 5efec5c655dd xfrm: Fix eth_hdr(skb)->h_proto to reflect inner IP version > > Reverting the patch does fix it for me. > > I am seing h_proto being changed from 0x1bac to 0x8 and wireshark > doesn't see the ethernet header anymore: > > Packet sent: > Can you please share the entire packet hex dump (sent and received)? Not sure what 0x1bac should represent. > Frame 3: 142 bytes on wire (1136 bits), 142 bytes captured (1136 bits) > Ethernet II, Src: xx:xx:xx:xx:52:01 (xx:xx:xx:xx:52:01), Dst: > IETF-VRRP-VRID_6a (xx:xx:xx:xx:01:6a) > Internet Protocol Version 4, Src: xx.xx.xx.xx, Dst: yy.yy.yy.yy > User Datagram Protocol, Src Port: 4500, Dst Port: 4500 > UDP Encapsulation of IPsec Packets > Encapsulating Security Payload > ESP SPI: 0xc4bbc7d8 (3300640728) > ESP Sequence: 29 > > > Packet received: > > Frame 6: 128 bytes on wire (1024 bits), 128 bytes captured (1024 bits) > Raw packet data > Internet Protocol Version 4, Src: xx.xx.xx.xx, Dst: zz.zz.zz.zz > User Datagram Protocol, Src Port: 4500, Dst Port: 4500 > UDP Encapsulation of IPsec Packets > Encapsulating Security Payload > ESP SPI: 0xc4bbc7d8 (3300640728) > ESP Sequence: 29 > > -- > Regards, > Artem Savkov
