Re: NET_TCP_SPLIT removal

2021-10-15 Thread Alexander Lunev
> More discussion here: > https://groups.google.com/g/nuttx/c/bh01LHix7nM/m/bL8242BQCwAJ Johnn > y is a > pretty knowledgeable guy a references a couple of other RFCs there. Thank you for the link to the discussion. There is useful additional info: RFC 2581 (4.2) says: > Therefore, while a spec

Re: FreeBSD / BSD

2021-10-15 Thread Tomasz CEDRO
Returning to KCONFIG :-) I have talked to Debian kconfig-frontends maintainer Philippe Thierry: https://packages.debian.org/stable/kconfig-frontends He confirmed that kconfig-frontends is abandoned. They use own git repository with version 4.11.0.1 as current: https://salsa.debian.org/philou/kc

Re: NET_TCP_SPLIT removal

2021-10-15 Thread Gregory Nutt
I think we should be testing with smaller, more typical user buffer sizes to verify the performance when the split is disabled or removed.

Re: NET_TCP_SPLIT removal

2021-10-15 Thread Alexander Lunev
> What is a full size packet? RFC 1122 (4.2.3.4) says: > the TCP can send a full-sized segment (Eff.snd.MSS > bytes; see Section 4.2.2.6). There is an algorithm in Section 4.2.2.6 how Eff.snd.MSS is calculated. > That is another good reason to remove the unbuffered send. So far I still think we

Re: Implementing QSPI driver in SPI mode

2021-10-15 Thread Michal Lenc
Hi, yes, I think the code duplication should not be that bad. Having separate drivers sam_spi.c for classic SPI, sam_qspi.c for QSPI in serial memory mode (current implementation) and sam_qspi_spi.c or something like that for SPI over QSPI would be an option then. Thanks. Best regards, Michal