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[108.214.96.168]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-1244aefa7c5sm15578577c88.10.2026.01.19.01.16.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Jan 2026 01:16:33 -0800 (PST) From: Sun Jian To: fw@strlen.de Cc: pablo@netfilter.org, phil@nwl.cc, daniel@iogearbox.net, ast@kernel.org, netfilter-devel@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, Sun Jian Subject: [PATCH] netfilter: nf_flow_table_bpf: add prototype for bpf_xdp_flow_lookup() Date: Mon, 19 Jan 2026 17:16:15 +0800 Message-ID: <20260119091615.1880992-1-sun.jian.kdev@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sparse reports: netfilter/nf_flow_table_bpf.c:58:45: symbol 'bpf_xdp_flow_lookup' was not declared. Should it be static? bpf_xdp_flow_lookup() is exported as a __bpf_kfunc and must remain non-static. Add a forward declaration to provide an explicit prototype , only to silence the sparse warning. No functional change intended. Signed-off-by: Sun Jian --- net/netfilter/nf_flow_table_bpf.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/netfilter/nf_flow_table_bpf.c b/net/netfilter/nf_flow_table_bpf.c index 4a5f5195f2d2..a129e0ee5e81 100644 --- a/net/netfilter/nf_flow_table_bpf.c +++ b/net/netfilter/nf_flow_table_bpf.c @@ -31,6 +31,9 @@ __diag_ignore_all("-Wmissing-prototypes", "Global functions as their definitions will be in nf_flow_table BTF"); __bpf_kfunc_start_defs(); +__bpf_kfunc struct flow_offload_tuple_rhash * +bpf_xdp_flow_lookup(struct xdp_md *ctx, struct bpf_fib_lookup *fib_tuple, + struct bpf_flowtable_opts *opts, u32 opts_len); static struct flow_offload_tuple_rhash * bpf_xdp_flow_tuple_lookup(struct net_device *dev, -- 2.43.0