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AJvYcCUUL9daZyYgsmaKb0Y1gnQ3n5U5uTySVU8NPe33UVA1paJSTsXeC3X/zoqmLP4MrL1eB0g=@vger.kernel.org X-Gm-Message-State: AOJu0YxubGGkntGi9b2NK70/E2i2asHisPVbyjm+aEGQNjfFEmo66kFP Nu8AWAyzaV9Y7q5S0OFl6iEuhZHCWmtQCPpmWsJvm2lFI6AUEjEBG/oFRguEszg= X-Google-Smtp-Source: AGHT+IGVPp2n40PuG/8KbAxshSN8LnfmvU7GlDwe9HJB5DsmANQ6cspxjCvOOmjG4ThxTHfHWIy/5A== X-Received: by 2002:a17:903:26ce:b0:206:d66d:a30d with SMTP id d9443c01a7336-2076e3155bdmr241941755ad.6.1726645546538; Wed, 18 Sep 2024 00:45:46 -0700 (PDT) Received: from C02F52LSML85.bytedance.net ([203.208.167.149]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20794747379sm60412995ad.288.2024.09.18.00.45.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Sep 2024 00:45:46 -0700 (PDT) From: Feng zhou To: martin.lau@linux.dev, daniel@iogearbox.net, john.fastabend@gmail.com, ast@kernel.org, andrii@kernel.org, eddyz87@gmail.com, song@kernel.org, yonghong.song@linux.dev, kpsingh@kernel.org, sdf@fomichev.me, haoluo@google.com, jolsa@kernel.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, mykolal@fb.com, shuah@kernel.org, geliang@kernel.org, laoar.shao@gmail.com Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, yangzhenze@bytedance.com, wangdongdong.6@bytedance.com, zhoufeng.zf@bytedance.com Subject: [PATCH bpf-next v2 1/2] bpf: cg_skb add get classid helper Date: Wed, 18 Sep 2024 15:45:14 +0800 Message-Id: <20240918074516.5697-2-zhoufeng.zf@bytedance.com> X-Mailer: git-send-email 2.39.3 (Apple Git-146) In-Reply-To: <20240918074516.5697-1-zhoufeng.zf@bytedance.com> References: <20240918074516.5697-1-zhoufeng.zf@bytedance.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: bpf@iogearbox.net From: Feng Zhou At cg_skb hook point, can get classid for v1 or v2, allowing users to do more functions such as acl. Signed-off-by: Feng Zhou --- net/core/filter.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/net/core/filter.c b/net/core/filter.c index e4a4454df5f9..a4aa39b6dbba 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -8115,6 +8115,10 @@ cg_skb_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) return &bpf_get_listener_sock_proto; case BPF_FUNC_skb_ecn_set_ce: return &bpf_skb_ecn_set_ce_proto; +#endif +#ifdef CONFIG_CGROUP_NET_CLASSID + case BPF_FUNC_skb_cgroup_classid: + return &bpf_skb_cgroup_classid_proto; #endif default: return sk_filter_func_proto(func_id, prog);