Re: [PATCH v4 bpf-next/net 2/5] bpf: Support bpf_setsockopt() for BPF_CGROUP_INET_SOCK_CREATE.

[Martin KaFai Lau <martin.lau@linux.dev>]

On 8/28/25 6:00 PM, Kuniyuki Iwashima wrote:
> +BPF_CALL_5(bpf_unlocked_sock_setsockopt, struct sock *, sk, int, level,
> +	   int, optname, char *, optval, int, optlen)
> +{
> +	return __bpf_setsockopt(sk, level, optname, optval, optlen);
> +}
> +
> +static const struct bpf_func_proto bpf_unlocked_sock_setsockopt_proto = {

nit. There is a bpf_unlocked_"sk"_{get,set}sockopt_proto which its .func is also 
taking "struct sock *". This one is sock_create specific, how about renaming it 
to bpf_sock_create_{get,set}sockopt_proto. The same for the its .func.


> +	.func		= bpf_unlocked_sock_setsockopt,
> +	.gpl_only	= false,
> +	.ret_type	= RET_INTEGER,
> +	.arg1_type	= ARG_PTR_TO_CTX,
> +	.arg2_type	= ARG_ANYTHING,
> +	.arg3_type	= ARG_ANYTHING,
> +	.arg4_type	= ARG_PTR_TO_MEM | MEM_RDONLY,
> +	.arg5_type	= ARG_CONST_SIZE,
> +};
> +
> +BPF_CALL_5(bpf_unlocked_sock_getsockopt, struct sock *, sk, int, level,
> +	   int, optname, char *, optval, int, optlen)
> +{
> +	return __bpf_getsockopt(sk, level, optname, optval, optlen);
> +}
> +
> +static const struct bpf_func_proto bpf_unlocked_sock_getsockopt_proto = {
> +	.func		= bpf_unlocked_sock_getsockopt,
> +	.gpl_only	= false,
> +	.ret_type	= RET_INTEGER,
> +	.arg1_type	= ARG_PTR_TO_CTX,
> +	.arg2_type	= ARG_ANYTHING,
> +	.arg3_type	= ARG_ANYTHING,
> +	.arg4_type	= ARG_PTR_TO_UNINIT_MEM,
> +	.arg5_type	= ARG_CONST_SIZE,
> +};