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[v2,bpf-next,0/2] bpf: Add bpf_sk_storage support to bpf_tcp_ca

Message ID 20200320152055.2169341-1-kafai@fb.com
Headers show
Series bpf: Add bpf_sk_storage support to bpf_tcp_ca | expand

Message

Martin KaFai Lau March 20, 2020, 3:20 p.m. UTC 
This set adds bpf_sk_storage support to bpf_tcp_ca.
That will allow bpf-tcp-cc to share sk's private data with other
bpf_progs and also allow bpf-tcp-cc to use extra private
storage if the existing icsk_ca_priv is not enough.

v2:
- Move the sk_stg_map test immediately after connect() (Yonghong)
- Use global linkage var in bpf_dctcp.c (Yonghong)

Martin KaFai Lau (2):
  bpf: Add bpf_sk_storage support to bpf_tcp_ca
  bpf: Add tests for bpf_sk_storage to bpf_tcp_ca

 net/ipv4/bpf_tcp_ca.c                         | 33 ++++++++++++++++
 .../selftests/bpf/prog_tests/bpf_tcp_ca.c     | 39 +++++++++++++++----
 tools/testing/selftests/bpf/progs/bpf_dctcp.c | 16 ++++++++
 3 files changed, 80 insertions(+), 8 deletions(-)

Comments

Daniel Borkmann March 23, 2020, 9:37 p.m. UTC | #1 
On 3/20/20 4:20 PM, Martin KaFai Lau wrote:
> This set adds bpf_sk_storage support to bpf_tcp_ca.
> That will allow bpf-tcp-cc to share sk's private data with other
> bpf_progs and also allow bpf-tcp-cc to use extra private
> storage if the existing icsk_ca_priv is not enough.
> 
> v2:
> - Move the sk_stg_map test immediately after connect() (Yonghong)
> - Use global linkage var in bpf_dctcp.c (Yonghong)
> 
> Martin KaFai Lau (2):
>    bpf: Add bpf_sk_storage support to bpf_tcp_ca
>    bpf: Add tests for bpf_sk_storage to bpf_tcp_ca
> 
>   net/ipv4/bpf_tcp_ca.c                         | 33 ++++++++++++++++
>   .../selftests/bpf/prog_tests/bpf_tcp_ca.c     | 39 +++++++++++++++----
>   tools/testing/selftests/bpf/progs/bpf_dctcp.c | 16 ++++++++
>   3 files changed, 80 insertions(+), 8 deletions(-)
> 

Applied, thanks!