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Date
1 - 1 of 1
minutes: IO Visor TSC/Dev Meeting
Brenden Blanco
Hi All,
Thank you for joining us on the call today. As usual, here are the notes.
-Brenden
=== Discussion ===
Yonghong:
- working on libbpf features
- working on btf support in bcc
- need to use upstream libbpf apis, in process of upstreaming/converting
- llvm support is working (9.0)
Joe:
- cilium: getting static data to be updated from elf section
- allows iproute2 to fetch 32bit values from data section
- populate instructions that refer to the data at load time
- different data sizes not yet supported/tested
- would like to incorporate global data support on the kernel side
Martin:
- bpf socket and tc socket patches posted
- what happens with sockets in timewait state?
- is there a usecase for such sockets? not at this moment, but still under
discussion
Discussion about allocating sockopt storage for bpf use cases
John:
- Discussion about ipsec integration with bpf
- bpf program to compute hash key instead of setting up ipsec rules
- currently in idea phase only
Daniel:
- cilium ipvlan support nearing completion
Brendan:
- bpftrace integration/improvements making nice progress
=== Attendees ===
Brenden Blanco
Yonghong Song
Marco Leogrande
Jesper Brouer
Joe Stringer
Mauricio Vasquez
Quentin Monnet
Daniel Borkmann
Jiong Wang
Martin Lau
Brendan Gregg
John Fastabend
Thank you for joining us on the call today. As usual, here are the notes.
-Brenden
=== Discussion ===
Yonghong:
- working on libbpf features
- working on btf support in bcc
- need to use upstream libbpf apis, in process of upstreaming/converting
- llvm support is working (9.0)
Joe:
- cilium: getting static data to be updated from elf section
- allows iproute2 to fetch 32bit values from data section
- populate instructions that refer to the data at load time
- different data sizes not yet supported/tested
- would like to incorporate global data support on the kernel side
Martin:
- bpf socket and tc socket patches posted
- what happens with sockets in timewait state?
- is there a usecase for such sockets? not at this moment, but still under
discussion
Discussion about allocating sockopt storage for bpf use cases
John:
- Discussion about ipsec integration with bpf
- bpf program to compute hash key instead of setting up ipsec rules
- currently in idea phase only
Daniel:
- cilium ipvlan support nearing completion
Brendan:
- bpftrace integration/improvements making nice progress
=== Attendees ===
Brenden Blanco
Yonghong Song
Marco Leogrande
Jesper Brouer
Joe Stringer
Mauricio Vasquez
Quentin Monnet
Daniel Borkmann
Jiong Wang
Martin Lau
Brendan Gregg
John Fastabend