bpf_xdp_flow_lookup - Linux

Symbol: bpf_xdp_flow_lookup

net/netfilter/nf_flow_table_bpf.c

BTF_ID_FLAGS(func, bpf_xdp_flow_lookup, KF_RET_NULL)

tools/testing/selftests/bpf/progs/xdp_flowtable.c

tuplehash = bpf_xdp_flow_lookup(ctx, &tuple, &opts, sizeof(opts));