Re: [RFC PATCH net-next 09/15] bpf: Sample BPF program to set buffer sizes

[David Miller]

From: Lawrence Brakmo <bra...@fb.com>
Date: Tue, 13 Jun 2017 10:59:58 -0700

> diff --git a/samples/bpf/tcp_bufs_kern.c b/samples/bpf/tcp_bufs_kern.c
> new file mode 100644
> index 0000000..a407b73
> --- /dev/null
> +++ b/samples/bpf/tcp_bufs_kern.c
...
> +SEC("sockops")
> +int bpf_bufs(struct __sk_buff *skb)
> +{
> +     struct bpf_socket_ops *skops = (struct bpf_socket_ops *) skb;
> +     char fmt1[] = "BPF command: %d\n";
> +     char fmt2[] = "  Returning %d\n";
> +     int op;
> +     int rv = 0;
> +     int rwnd_init = 40;
> +     int bufsize = 1500000;
> +
> +     // For testing purposes, only execute rest of BPF program
> +     // if neither port numberis 55601

Local variable ordering and C++ comments.

Thanks.