RE: [PATCH net v2] udp: ipv4: manipulate network header of NATed UDP GRO fraglist

2021-01-21 Thread Dongseok Yi
On 2021-01-21 21:28, Steffen Klassert wrote: > On Wed, Jan 20, 2021 at 03:55:42PM +0900, Dongseok Yi wrote: > > On 2021-01-18 22:27, Steffen Klassert wrote: > > > On Fri, Jan 15, 2021 at 10:20:35PM +0900, Dongseok Yi wrote: > > > > UDP/IP header of UDP GROed frag_skbs are not updated even after NAT

Re: [PATCH net v2] udp: ipv4: manipulate network header of NATed UDP GRO fraglist

2021-01-21 Thread Steffen Klassert
On Wed, Jan 20, 2021 at 03:55:42PM +0900, Dongseok Yi wrote: > On 2021-01-18 22:27, Steffen Klassert wrote: > > On Fri, Jan 15, 2021 at 10:20:35PM +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 v2] udp: ipv4: manipulate network header of NATed UDP GRO fraglist

2021-01-21 Thread Dongseok Yi
On 2021-01-20 15:56, Dongseok Yi wrote: > On 2021-01-18 22:27, Steffen Klassert wrote: > > On Fri, Jan 15, 2021 at 10:20:35PM +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 -

RE: [PATCH net v2] udp: ipv4: manipulate network header of NATed UDP GRO fraglist

2021-01-19 Thread Dongseok Yi
On 2021-01-18 22:27, Steffen Klassert wrote: > On Fri, Jan 15, 2021 at 10:20:35PM +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 v2] udp: ipv4: manipulate network header of NATed UDP GRO fraglist

2021-01-18 Thread Steffen Klassert
On Fri, Jan 15, 2021 at 10:20:35PM +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

Re: [PATCH net v2] udp: ipv4: manipulate network header of NATed UDP GRO fraglist

2021-01-18 Thread Steffen Klassert
On Mon, Jan 18, 2021 at 12:17:34PM +, Alexander Lobakin wrote: > > From: Steffen Klassert > > Date: Mon, 18 Jan 2021 07:37:59 +0100 > > On Fri, Jan 15, 2021 at 05:12:33PM +, Alexander Lobakin wrote: > >> > >> I used another approach, tried to make fraglist GRO closer to plain > >> in terms

Re: [PATCH net v2] udp: ipv4: manipulate network header of NATed UDP GRO fraglist

2021-01-18 Thread Alexander Lobakin
> From: Steffen Klassert > Date: Mon, 18 Jan 2021 07:37:59 +0100 > > On Fri, Jan 15, 2021 at 05:12:33PM +, Alexander Lobakin wrote: >> From: Dongseok Yi >> Date: Fri, 15 Jan 2021 22:20:35 +0900 >> >>> UDP/IP header of UDP GROed frag_skbs are not updated even after NAT >>> forwarding. Only the

RE: [PATCH net v2] udp: ipv4: manipulate network header of NATed UDP GRO fraglist

2021-01-17 Thread Dongseok Yi
On 2021-01-18 15:37, Steffen Klassert wrote: > On Fri, Jan 15, 2021 at 05:12:33PM +, Alexander Lobakin wrote: > > From: Dongseok Yi > > Date: Fri, 15 Jan 2021 22:20:35 +0900 > > > > > UDP/IP header of UDP GROed frag_skbs are not updated even after NAT > > > forwarding. Only the header of head_

Re: [PATCH net v2] udp: ipv4: manipulate network header of NATed UDP GRO fraglist

2021-01-17 Thread Steffen Klassert
On Fri, Jan 15, 2021 at 05:12:33PM +, Alexander Lobakin wrote: > From: Dongseok Yi > Date: Fri, 15 Jan 2021 22:20:35 +0900 > > > 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

RE: [PATCH net v2] udp: ipv4: manipulate network header of NATed UDP GRO fraglist

2021-01-17 Thread Dongseok Yi
On 2021-01-16 02:12, Alexander Lobakin wrote: > From: Dongseok Yi > Date: Fri, 15 Jan 2021 22:20:35 +0900 > > > 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

Re: [PATCH net v2] udp: ipv4: manipulate network header of NATed UDP GRO fraglist

2021-01-15 Thread Alexander Lobakin
From: Dongseok Yi Date: Fri, 15 Jan 2021 22:20:35 +0900 > 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_s

[PATCH net v2] udp: ipv4: manipulate network header of NATed UDP GRO fraglist

2021-01-15 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