8 Commits

Author	SHA1	Message	Date
Toke Høiland-Jørgensen	fc76452e1f	nat64: Drop invalid v4 destinations ... These include 0.0.0.0, loopback and multicast addresses. Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>	2021-10-01 00:25:44 +02:00
Toke Høiland-Jørgensen	7ec0aabbb0	nat64: Drop fragmented v4 packets as well as those with options ... In the other direction we also drop packets with options, which covers fragmented packets. Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>	2021-10-01 00:24:35 +02:00
Toke Høiland-Jørgensen	0c2dd5e5cf	nat64: Add some debug output ... Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>	2021-09-30 23:40:16 +02:00
Toke Høiland-Jørgensen	3b200d0153	nat64: reinstate atomic operations ... Turns out the atomics just needed to operate on a 64-bit variable, we didn't actually need a newer compiler. Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>	2021-09-30 23:11:15 +02:00
Toke Høiland-Jørgensen	b6a3775b6a	nat64: Fix header rewrites ... Endianness fixes for IP header length, need to also rewrite Ethernet protocol. Also use direct packet access instead of skb_store_bytes(). Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>	2021-09-30 22:35:59 +02:00
Toke Høiland-Jørgensen	666219515f	nat64: Add license declaration to BPF file ... Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>	2021-09-30 22:35:59 +02:00
Toke Høiland-Jørgensen	cff5001225	nat64: Fix LPM lookup from kernel side ... Needs the same struct for lookup as the userspace side does, so share the struct definition. Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>	2021-09-30 22:35:59 +02:00
Toke Høiland-Jørgensen	ede4270320	nat64-bpf: Initial version ... This adds an initial version of a NAT64 translator in BPF. It compiles and loads, but doesn't actually appear to work yet. Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>	2021-09-29 01:46:09 +02:00