Re: Re: [Android][Kernel][TCP/IP] report of packet discarding during tcp handshaking

2018-02-07 Thread Eric Dumazet
On Wed, 2018-02-07 at 16:19 +0900, 배석진 wrote: > Dear Dumazet, > > > although with your changes, the problem still there. > own_req couldn't update the lost_race as you wanted. > maybee it needs additional locking method. > We are not going to add udelay(500) in a loop to solve a race, sorry. M

RE: Re: [Android][Kernel][TCP/IP] report of packet discarding during tcp handshaking

2018-02-06 Thread 배석진
req = inet_reqsk(sk); ----- Original Message ----- Sender : Eric Dumazet  Date : 2018-02-07 13:31 (GMT+9) Title : Re: [Android][Kernel][TCP/IP] report of packet discarding during tcp handshaking   On Wed, 2018-02-07 at 11:16 +0900, 배석진 wrote: > Hello,  > this is bae working on samsu

Re: [Android][Kernel][TCP/IP] report of packet discarding during tcp handshaking

2018-02-06 Thread Eric Dumazet
On Wed, 2018-02-07 at 11:16 +0900, 배석진 wrote: > Hello, > this is bae working on samsung elec. > Hi Bae, thanks for this detailed report and analysis. > we have a problem that packet discarded during 3-way handshaking on TCP. > already looks like that Mr Dumazet try to fix the similar issue o

[Android][Kernel][TCP/IP] report of packet discarding during tcp handshaking

2018-02-06 Thread 배석진
Hello, this is bae working on samsung elec. we have a problem that packet discarded during 3-way handshaking on TCP. already looks like that Mr Dumazet try to fix the similar issue on this patch, https://android.googlesource.com/kernel/common/+/5e0724d027f0548511a2165a209572d48fe7a4c8 but we