From: John Fastabend <john.fastabend@gmail.com>
To: Maciej Fijalkowski <maciejromanfijalkowski@gmail.com>,
daniel@iogearbox.net, ast@kernel.org
Cc: netdev@vger.kernel.org, jakub.kicinski@netronome.com, brouer@redhat.com
Subject: Re: [PATCH bpf-next v4 1/7] libbpf: Add a helper for retrieving a map fd for a given name
Date: Mon, 28 Jan 2019 12:49:35 -0800 [thread overview]
Message-ID: <4ad3afa8-f2c3-50a9-d2a0-e8db683236bb@gmail.com> (raw)
In-Reply-To: <20190128191613.11705-2-maciejromanfijalkowski@gmail.com>
On 1/28/19 11:16 AM, Maciej Fijalkowski wrote:
> From: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
>
> XDP samples are mostly cooperating with eBPF maps through their file
> descriptors. In case of a eBPF program that contains multiple maps it
> might be tiresome to iterate through them and call bpf_map__fd for each
> one. Add a helper mostly based on bpf_object__find_map_by_name, but
> instead of returning the struct bpf_map pointer, return map fd.
>
> Suggested-by: Jakub Kicinski <jakub.kicinski@netronome.com>
> Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
> ---
I've been carrying something similar around for awhile as well.
Acked-by: John Fastabend <john.fastabend@gmail.com>
next prev parent reply other threads:[~2019-01-28 20:49 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-28 19:16 [PATCH bpf-next v4 0/7] xdp: Avoid unloading xdp prog not attached by sample Maciej Fijalkowski
2019-01-28 19:16 ` [PATCH bpf-next v4 1/7] libbpf: Add a helper for retrieving a map fd for a given name Maciej Fijalkowski
2019-01-28 20:49 ` John Fastabend [this message]
2019-01-28 19:16 ` [PATCH bpf-next v4 2/7] samples/bpf: xdp_redirect_cpu have not need for read_trace_pipe Maciej Fijalkowski
2019-01-28 20:50 ` John Fastabend
2019-01-28 19:16 ` [PATCH bpf-next v4 3/7] samples/bpf: Convert XDP samples to libbpf usage Maciej Fijalkowski
2019-01-28 19:16 ` [PATCH bpf-next v4 4/7] samples/bpf: Extend RLIMIT_MEMLOCK for xdp_{sample_pkts, router_ipv4} Maciej Fijalkowski
2019-01-28 20:54 ` John Fastabend
2019-01-28 19:16 ` [PATCH bpf-next v4 5/7] samples/bpf: Add a "force" flag to XDP samples Maciej Fijalkowski
2019-01-28 20:57 ` John Fastabend
2019-01-29 8:00 ` Jesper Dangaard Brouer
2019-01-29 11:34 ` Jesper Dangaard Brouer
2019-01-30 18:12 ` Maciej Fijalkowski
2019-01-30 19:08 ` Jesper Dangaard Brouer
2019-01-31 2:26 ` Jakub Kicinski
2019-01-31 20:19 ` Jesper Dangaard Brouer
2019-01-28 19:16 ` [PATCH bpf-next v4 6/7] libbpf: Add a support for getting xdp prog id on ifindex Maciej Fijalkowski
2019-01-28 21:07 ` John Fastabend
2019-01-30 17:53 ` Maciej Fijalkowski
2019-01-28 19:16 ` [PATCH bpf-next v4 7/7] samples/bpf: Check the prog id before exiting Maciej Fijalkowski
2019-01-28 21:10 ` John Fastabend
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