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SubjectRe: [RFC PATCH 2/6] bpf: add BPF_MAP_DUMP command to access more than one entry per call
On Fri, 21 Jun 2019 16:16:46 -0700, Brian Vazquez wrote:
> @@ -385,6 +386,14 @@ union bpf_attr {
> __u64 flags;
> };
>
> + struct { /* struct used by BPF_MAP_DUMP command */
> + __u32 map_fd;

There is a hole here, perhaps flags don't have to be 64 bit?

> + __aligned_u64 prev_key;
> + __aligned_u64 buf;
> + __aligned_u64 buf_len; /* input/output: len of buf */
> + __u64 flags;
> + } dump;
> +
> struct { /* anonymous struct used by BPF_PROG_LOAD command */
> __u32 prog_type; /* one of enum bpf_prog_type */
> __u32 insn_cnt;

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