From: Martin KaFai Lau <martin.lau@linux.dev>
To: Kuniyuki Iwashima <kuniyu@google.com>
Cc: Alexei Starovoitov <ast@kernel.org>,
Andrii Nakryiko <andrii@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
John Fastabend <john.fastabend@gmail.com>,
Stanislav Fomichev <sdf@fomichev.me>,
Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@kernel.org>,
Roman Gushchin <roman.gushchin@linux.dev>,
Shakeel Butt <shakeel.butt@linux.dev>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Neal Cardwell <ncardwell@google.com>,
Willem de Bruijn <willemb@google.com>,
Mina Almasry <almasrymina@google.com>,
Kuniyuki Iwashima <kuni1840@gmail.com>,
bpf@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH v1 bpf-next/net 2/8] bpf: Add a bpf hook in __inet_accept().
Date: Mon, 25 Aug 2025 10:57:30 -0700 [thread overview]
Message-ID: <daa73a77-3366-45b4-a770-fde87d4f50d8@linux.dev> (raw)
In-Reply-To: <20250822221846.744252-3-kuniyu@google.com>
On 8/22/25 3:17 PM, Kuniyuki Iwashima wrote:
> diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
> index ae83ecda3983..ab613abdfaa4 100644
> --- a/net/ipv4/af_inet.c
> +++ b/net/ipv4/af_inet.c
> @@ -763,6 +763,8 @@ void __inet_accept(struct socket *sock, struct socket *newsock, struct sock *new
> kmem_cache_charge(newsk, gfp);
> }
>
> + BPF_CGROUP_RUN_PROG_INET_SOCK_ACCEPT(newsk);
> +
> if (mem_cgroup_sk_enabled(newsk)) {
> int amt;
>
> diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
> index 233de8677382..80df246d4741 100644
> --- a/tools/include/uapi/linux/bpf.h
> +++ b/tools/include/uapi/linux/bpf.h
> @@ -1133,6 +1133,7 @@ enum bpf_attach_type {
> BPF_NETKIT_PEER,
> BPF_TRACE_KPROBE_SESSION,
> BPF_TRACE_UPROBE_SESSION,
> + BPF_CGROUP_INET_SOCK_ACCEPT,
Instead of adding another hook, can the SK_BPF_MEMCG_SOCK_ISOLATED bit be
inherited from the listener?
next prev parent reply other threads:[~2025-08-25 17:57 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-22 22:17 [PATCH v1 bpf-next/net 0/8] bpf: Allow decoupling memcg from sk->sk_prot->memory_allocated Kuniyuki Iwashima
2025-08-22 22:17 ` [PATCH v1 bpf-next/net 1/8] tcp: Save lock_sock() for memcg in inet_csk_accept() Kuniyuki Iwashima
2025-08-22 22:17 ` [PATCH v1 bpf-next/net 2/8] bpf: Add a bpf hook in __inet_accept() Kuniyuki Iwashima
2025-08-23 11:02 ` kernel test robot
2025-08-25 17:57 ` Martin KaFai Lau [this message]
2025-08-25 18:14 ` Kuniyuki Iwashima
2025-08-25 23:14 ` Martin KaFai Lau
2025-08-26 0:23 ` Kuniyuki Iwashima
2025-08-26 20:06 ` Martin KaFai Lau
2025-08-26 21:08 ` Kuniyuki Iwashima
2025-08-26 22:02 ` Martin KaFai Lau
2025-08-26 23:10 ` Kuniyuki Iwashima
2025-08-22 22:17 ` [PATCH v1 bpf-next/net 3/8] libbpf: Support BPF_CGROUP_INET_SOCK_ACCEPT Kuniyuki Iwashima
2025-08-22 22:17 ` [PATCH v1 bpf-next/net 4/8] bpftool: " Kuniyuki Iwashima
2025-08-22 22:18 ` [PATCH v1 bpf-next/net 5/8] bpf: Support bpf_setsockopt() for BPF_CGROUP_INET_SOCK_(CREATE|ACCEPT) Kuniyuki Iwashima
2025-08-23 23:58 ` kernel test robot
2025-08-22 22:18 ` [PATCH v1 bpf-next/net 6/8] bpf: Introduce SK_BPF_MEMCG_FLAGS and SK_BPF_MEMCG_SOCK_ISOLATED Kuniyuki Iwashima
2025-08-23 15:38 ` kernel test robot
2025-08-22 22:18 ` [PATCH v1 bpf-next/net 7/8] net-memcg: Allow decoupling memcg from global protocol memory accounting Kuniyuki Iwashima
2025-08-22 22:18 ` [PATCH v1 bpf-next/net 8/8] selftest: bpf: Add test for SK_BPF_MEMCG_SOCK_ISOLATED Kuniyuki Iwashima
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