RE: [PATCH net] udp: ipv4: manipulate network header of NATed UDP GRO fraglist

2021-01-15 Thread Alexander Lobakin
From: Dongseok Yi Date: Fri, 15 Jan 2021 20:21:06 +0900 > On 2021-01-15 19:51, Alexander Lobakin wrote: >> From: Steffen Klassert >> Date: Fri, 15 Jan 2021 10:27:52 +0100 >> >>> On Fri, Jan 15, 2021 at 05:55:22PM +0900, Dongseok Yi wrote: On 2021-01-15 17:12, Steffen Klassert wrote: > O

RE: [PATCH net] udp: ipv4: manipulate network header of NATed UDP GRO fraglist

2021-01-15 Thread Dongseok Yi
On 2021-01-15 19:51, Alexander Lobakin wrote: > From: Steffen Klassert > Date: Fri, 15 Jan 2021 10:27:52 +0100 > > > On Fri, Jan 15, 2021 at 05:55:22PM +0900, Dongseok Yi wrote: > >> On 2021-01-15 17:12, Steffen Klassert wrote: > >>> On Fri, Jan 15, 2021 at 02:58:24PM +0900, Dongseok Yi wrote: >

Re: [PATCH net] udp: ipv4: manipulate network header of NATed UDP GRO fraglist

2021-01-15 Thread Alexander Lobakin
From: Steffen Klassert Date: Fri, 15 Jan 2021 10:27:52 +0100 > On Fri, Jan 15, 2021 at 05:55:22PM +0900, Dongseok Yi wrote: >> On 2021-01-15 17:12, Steffen Klassert wrote: >>> On Fri, Jan 15, 2021 at 02:58:24PM +0900, Dongseok Yi wrote: UDP/IP header of UDP GROed frag_skbs are not updated ev

Re: [PATCH net] udp: ipv4: manipulate network header of NATed UDP GRO fraglist

2021-01-15 Thread Steffen Klassert
On Fri, Jan 15, 2021 at 05:55:22PM +0900, Dongseok Yi wrote: > On 2021-01-15 17:12, Steffen Klassert wrote: > > On Fri, Jan 15, 2021 at 02:58:24PM +0900, Dongseok Yi wrote: > > > UDP/IP header of UDP GROed frag_skbs are not updated even after NAT > > > forwarding. Only the header of head_skb from i

RE: [PATCH net] udp: ipv4: manipulate network header of NATed UDP GRO fraglist

2021-01-15 Thread Dongseok Yi
On 2021-01-15 17:12, Steffen Klassert wrote: > On Fri, Jan 15, 2021 at 02:58:24PM +0900, Dongseok Yi wrote: > > UDP/IP header of UDP GROed frag_skbs are not updated even after NAT > > forwarding. Only the header of head_skb from ip_finish_output_gso -> > > skb_gso_segment is updated but following f

Re: [PATCH net] udp: ipv4: manipulate network header of NATed UDP GRO fraglist

2021-01-15 Thread Steffen Klassert
On Fri, Jan 15, 2021 at 02:58:24PM +0900, Dongseok Yi wrote: > UDP/IP header of UDP GROed frag_skbs are not updated even after NAT > forwarding. Only the header of head_skb from ip_finish_output_gso -> > skb_gso_segment is updated but following frag_skbs are not updated. > > A call path skb_mac_gs

[PATCH net] udp: ipv4: manipulate network header of NATed UDP GRO fraglist

2021-01-14 Thread Dongseok Yi
UDP/IP header of UDP GROed frag_skbs are not updated even after NAT forwarding. Only the header of head_skb from ip_finish_output_gso -> skb_gso_segment is updated but following frag_skbs are not updated. A call path skb_mac_gso_segment -> inet_gso_segment -> udp4_ufo_fragment -> __udp_gso_segment