From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7FB0437B02B for ; Sun, 15 Mar 2026 21:51:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773611482; cv=none; b=gwKsnWUsXYSVDQ208xivR0EzXfb5LylMHcvF3sIuwVy5Xiac+4tfKJnJyJnoNrYQmHu4Ow+XqlMfjaBkjragm8R7fWRm3hDTeXhwwFL5LwXy/kLldGBtOPEwgGUgk1HUTGH5w4Ovo4wzqLv2nRRmfW1yu8PpAI59h/fFdTZTvfc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773611482; c=relaxed/simple; bh=che4Q4OuxSKufNXTblHdN9Dc0eJDBdzbT8fKmEuSH5g=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=nnbat9KD/PoYlK1QEPDd9NSzNlz4mhUjRzn/5dlrW3qb3GQMyqr/CIrKqSZtBjDpZ4mYP+2jBNJYKfGl7wwwb25z/MavJ7/qatm3UlM6NsXnf5v64lIxkGaWE8ixlt+OVpHfJc+ZYaBexuVzOQJVZMtFP5San+H5ZGBkW+UlKOs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PDLWFYNX; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="PDLWFYNX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BDC34C4CEF7; Sun, 15 Mar 2026 21:51:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773611482; bh=che4Q4OuxSKufNXTblHdN9Dc0eJDBdzbT8fKmEuSH5g=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=PDLWFYNX1CjrcIqNLF2Yg7McNGXwi3XE076BPu2HGM8GW97PAgA4aXQ3+Ms5XkSGs iDrEKqZqs8UE0eU1ZQSOlXH+eQqPb+Xoo0wq1qqyaaPpB3ajz/SklwDc66fqSvr5EJ GuEldLeedT8YMHr/GUKPi0HPumHrzXhrPiZfalhrqrqdlZ57CwKk+KIjbWG2I236oF gNpSxKEqIvIXt9iGtMsjFF2ddDyV/rmiKlmdroHboI/Lf7SkJ/JrApPaYbAJtwvveQ QAhzDzxKAH7mcw4GPccqST+AJy/o7VDcU7JkmNNBD46n/ealtcgAYKjCGASRk7GP4D 42JDNn5QnbzIQ== Date: Sun, 15 Mar 2026 14:51:20 -0700 From: Jakub Kicinski To: Eric Dumazet Cc: "David S . Miller" , Paolo Abeni , Simon Horman , Neal Cardwell , Kuniyuki Iwashima , netdev@vger.kernel.org, eric.dumazet@gmail.com Subject: Re: [PATCH v3 net-next] tcp: add cwnd_event_tx_start to tcp_congestion_ops Message-ID: <20260315145120.1a555d81@kernel.org> In-Reply-To: <20260315154003.1851513-1-edumazet@google.com> References: <20260315154003.1851513-1-edumazet@google.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Sun, 15 Mar 2026 15:40:03 +0000 Eric Dumazet wrote: > v3: fix tools/testing/selftests/bpf/progs/tcp_ca_kfunc.c (Jakub) > v2: fix tools/testing/selftests/bpf/progs/bpf_cc_cubic.c (Jakub) > v1: https://lore.kernel.org/netdev/20260313202802.1201129-1-edumazet@google.com/ Builds but does not run: https://github.com/kernel-patches/bpf/actions/runs/23116079851/job/67142296478 The BPF CI can be triggered by opening a pull request their kernel-patches/bpf repo. We can also also Martin to help. Error: #23 bpf_iter_setsockopt Error: #23 bpf_iter_setsockopt create_netns:PASS:create netns 0 nsec create_netns:PASS:bring up lo 0 nsec serial_test_bpf_iter_setsockopt:PASS:iter_skel 0 nsec serial_test_bpf_iter_setsockopt:PASS:attach iter 0 nsec libbpf: prog 'bpf_cubic_cwnd_event_tx_start': BPF program load failed: -ENOTSUPP libbpf: prog 'bpf_cubic_cwnd_event_tx_start': -- BEGIN PROG LOAD LOG -- attach to unsupported member cwnd_event_tx_start of struct tcp_congestion_ops processed 0 insns (limit 1000000) max_states_per_insn 0 total_states 0 peak_states 0 mark_read 0 -- END PROG LOAD LOG -- libbpf: prog 'bpf_cubic_cwnd_event_tx_start': failed to load: -ENOTSUPP libbpf: failed to load object 'bpf_cubic' libbpf: failed to load BPF skeleton 'bpf_cubic': -ENOTSUPP serial_test_bpf_iter_setsockopt:FAIL:cubic_skel unexpected error: -524 Error: #34 bpf_tcp_ca Error: #34/2 bpf_tcp_ca/cubic Error: #34/2 bpf_tcp_ca/cubic libbpf: prog 'bpf_cubic_cwnd_event_tx_start': BPF program load failed: -ENOTSUPP libbpf: prog 'bpf_cubic_cwnd_event_tx_start': -- BEGIN PROG LOAD LOG -- attach to unsupported member cwnd_event_tx_start of struct tcp_congestion_ops processed 0 insns (limit 1000000) max_states_per_insn 0 total_states 0 peak_states 0 mark_read 0 -- END PROG LOAD LOG -- libbpf: prog 'bpf_cubic_cwnd_event_tx_start': failed to load: -ENOTSUPP libbpf: failed to load object 'bpf_cubic' libbpf: failed to load BPF skeleton 'bpf_cubic': -ENOTSUPP test_cubic:FAIL:bpf_cubic__open_and_load unexpected error: -524 Error: #34/14 bpf_tcp_ca/tcp_ca_kfunc Error: #34/14 bpf_tcp_ca/tcp_ca_kfunc libbpf: prog 'cwnd_event_tx_start': BPF program load failed: -ENOTSUPP libbpf: prog 'cwnd_event_tx_start': -- BEGIN PROG LOAD LOG -- attach to unsupported member cwnd_event_tx_start of struct tcp_congestion_ops processed 0 insns (limit 1000000) max_states_per_insn 0 total_states 0 peak_states 0 mark_read 0 -- END PROG LOAD LOG -- libbpf: prog 'cwnd_event_tx_start': failed to load: -ENOTSUPP libbpf: failed to load object 'tcp_ca_kfunc' libbpf: failed to load BPF skeleton 'tcp_ca_kfunc': -ENOTSUPP test_tcp_ca_kfunc:FAIL:tcp_ca_kfunc__open_and_load unexpected error: -524 Error: #34/15 bpf_tcp_ca/cc_cubic Error: #34/15 bpf_tcp_ca/cc_cubic libbpf: prog 'bpf_cubic_cwnd_event_tx_start': BPF program load failed: -ENOTSUPP libbpf: prog 'bpf_cubic_cwnd_event_tx_start': -- BEGIN PROG LOAD LOG -- attach to unsupported member cwnd_event_tx_start of struct tcp_congestion_ops processed 0 insns (limit 1000000) max_states_per_insn 0 total_states 0 peak_states 0 mark_read 0 -- END PROG LOAD LOG -- libbpf: prog 'bpf_cubic_cwnd_event_tx_start': failed to load: -ENOTSUPP libbpf: failed to load object 'bpf_cc_cubic' libbpf: failed to load BPF skeleton 'bpf_cc_cubic': -ENOTSUPP test_cc_cubic:FAIL:bpf_cc_cubic__open_and_load unexpected error: -524