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Wed, 12 Mar 2025 08:35:43 -0700 (PDT) Received: from KERNELXING-MC1.tencent.com ([114.244.131.122]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-736ab812cb0sm10813562b3a.164.2025.03.12.08.35.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Mar 2025 08:35:42 -0700 (PDT) From: Jason Xing To: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, dsahern@kernel.org, ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev, eddyz87@gmail.com, song@kernel.org, yonghong.song@linux.dev, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@fomichev.me, haoluo@google.com, jolsa@kernel.org, horms@kernel.org, kuniyu@amazon.com, ncardwell@google.com Cc: bpf@vger.kernel.org, netdev@vger.kernel.org, Jason Xing Subject: [PATCH bpf-next v3 0/4] tcp: add some RTO MIN and DELACK MAX {bpf_}set/getsockopt supports Date: Wed, 12 Mar 2025 16:35:19 +0100 Message-Id: <20250312153523.9860-1-kerneljasonxing@gmail.com> X-Mailer: git-send-email 2.33.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Introduce bpf_sol_tcp_getsockopt() helper. Add bpf_getsockopt for RTO MIN and DELACK MAX. Add corresponding selftests for bpf. --- v3 Link: https://lore.kernel.org/all/20250311085437.14703-1-kerneljasonxing@gmail.com/ 1. Remove 2 bpf unrelated patches which will be separately submitted after the netdev conference. So this series is consist of pure BPF modification. 2. Fix selftests by adjusting the test/expected value because some arch configs use HZ=100. Now those two selftests can be used from HZ=100 to HZ=1000. v2 Link: https://lore.kernel.org/all/20250309123004.85612-1-kerneljasonxing@gmail.com/ 1. add bpf getsockopt common helper 2. target bpf-next net branch Jason Xing (4): tcp: bpf: introduce bpf_sol_tcp_getsockopt to support TCP_BPF flags tcp: bpf: support bpf_getsockopt for TCP_BPF_RTO_MIN tcp: bpf: support bpf_getsockopt for TCP_BPF_DELACK_MAX selftests: add bpf_set/getsockopt() for TCP_BPF_DELACK_MAX and TCP_BPF_RTO_MIN net/core/filter.c | 45 ++++++++++++++----- .../selftests/bpf/progs/setget_sockopt.c | 2 + 2 files changed, 35 insertions(+), 12 deletions(-) -- 2.43.5