From: Stanislav Fomichev <sdf@google.com>
To: Larysa Zaremba <larysa.zaremba@intel.com>
Cc: bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net,
andrii@kernel.org, martin.lau@linux.dev, song@kernel.org,
yhs@fb.com, john.fastabend@gmail.com, kpsingh@kernel.org,
haoluo@google.com, jolsa@kernel.org,
David Ahern <dsahern@gmail.com>, Jakub Kicinski <kuba@kernel.org>,
Willem de Bruijn <willemb@google.com>,
Jesper Dangaard Brouer <brouer@redhat.com>,
Anatoly Burakov <anatoly.burakov@intel.com>,
Alexander Lobakin <alexandr.lobakin@intel.com>,
Magnus Karlsson <magnus.karlsson@gmail.com>,
Maryam Tahhan <mtahhan@redhat.com>,
xdp-hints@xdp-project.net, netdev@vger.kernel.org
Subject: [xdp-hints] Re: [PATCH bpf-next v3 21/21] selftests/bpf: check checksum state in xdp_metadata
Date: Thu, 20 Jul 2023 15:14:34 -0700 [thread overview]
Message-ID: <ZLmxyqiAuLHUzztt@google.com> (raw)
In-Reply-To: <20230719183734.21681-22-larysa.zaremba@intel.com>
On 07/19, Larysa Zaremba wrote:
> Verify, whether kfunc in xdp_metadata test correctly returns partial
> checksum status and offsets.
>
> Signed-off-by: Larysa Zaremba <larysa.zaremba@intel.com>
Acked-by: Stanislav Fomichev <sdf@google.com>
> ---
> .../selftests/bpf/prog_tests/xdp_metadata.c | 30 +++++++++++++++++++
> .../selftests/bpf/progs/xdp_metadata.c | 6 ++++
> 2 files changed, 36 insertions(+)
>
> diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c b/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c
> index 6665cf0c59cc..c0ce66703696 100644
> --- a/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c
> +++ b/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c
> @@ -47,6 +47,7 @@
>
> #define XDP_RSS_TYPE_L4 BIT(3)
> #define VLAN_VID_MASK 0xfff
> +#define XDP_CHECKSUM_PARTIAL BIT(3)
>
> struct xsk {
> void *umem_area;
> @@ -168,6 +169,32 @@ static void refill_rx(struct xsk *xsk, __u64 addr)
> }
> }
>
> +struct partial_csum_info {
> + __u16 csum_start;
> + __u16 csum_offset;
> +};
> +
> +static bool assert_checksum_ok(struct xdp_meta *meta)
> +{
> + struct partial_csum_info *info;
> + u32 csum_start, csum_offset;
> +
> + if (!ASSERT_EQ(meta->rx_csum_status, XDP_CHECKSUM_PARTIAL,
> + "rx_csum_status"))
> + return false;
> +
> + csum_start = sizeof(struct ethhdr) + sizeof(struct iphdr);
> + csum_offset = offsetof(struct udphdr, check);
> + info = (void *)&meta->rx_csum_info;
> +
> + if (!ASSERT_EQ(info->csum_start, csum_start, "rx csum_start"))
> + return false;
> + if (!ASSERT_EQ(info->csum_offset, csum_offset, "rx csum_offset"))
> + return false;
> +
> + return true;
> +}
> +
> static int verify_xsk_metadata(struct xsk *xsk)
> {
> const struct xdp_desc *rx_desc;
> @@ -229,6 +256,9 @@ static int verify_xsk_metadata(struct xsk *xsk)
> if (!ASSERT_EQ(meta->rx_vlan_proto, VLAN_PID, "rx_vlan_proto"))
> return -1;
>
> + if (!assert_checksum_ok(meta))
> + return -1;
> +
> xsk_ring_cons__release(&xsk->rx, 1);
> refill_rx(xsk, comp_addr);
>
> diff --git a/tools/testing/selftests/bpf/progs/xdp_metadata.c b/tools/testing/selftests/bpf/progs/xdp_metadata.c
> index d3111649170e..e79667a0726e 100644
> --- a/tools/testing/selftests/bpf/progs/xdp_metadata.c
> +++ b/tools/testing/selftests/bpf/progs/xdp_metadata.c
> @@ -26,6 +26,9 @@ extern int bpf_xdp_metadata_rx_hash(const struct xdp_md *ctx, __u32 *hash,
> extern int bpf_xdp_metadata_rx_vlan_tag(const struct xdp_md *ctx,
> __u16 *vlan_tci,
> __be16 *vlan_proto) __ksym;
> +extern int bpf_xdp_metadata_rx_csum(const struct xdp_md *ctx,
> + enum xdp_csum_status *csum_status,
> + union xdp_csum_info *csum_info) __ksym;
>
> SEC("xdp")
> int rx(struct xdp_md *ctx)
> @@ -62,6 +65,9 @@ int rx(struct xdp_md *ctx)
> bpf_xdp_metadata_rx_hash(ctx, &meta->rx_hash, &meta->rx_hash_type);
> bpf_xdp_metadata_rx_vlan_tag(ctx, &meta->rx_vlan_tci, &meta->rx_vlan_proto);
>
> + bpf_xdp_metadata_rx_csum(ctx, &meta->rx_csum_status,
> + (void *)&meta->rx_csum_info);
> +
> return bpf_redirect_map(&xsk, ctx->rx_queue_index, XDP_PASS);
> }
>
> --
> 2.41.0
>
prev parent reply other threads:[~2023-07-20 22:14 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-19 18:37 [xdp-hints] [PATCH bpf-next v3 00/21] XDP metadata via kfuncs for ice Larysa Zaremba
2023-07-19 18:37 ` [xdp-hints] [PATCH bpf-next v3 01/21] ice: make RX hash reading code more reusable Larysa Zaremba
2023-07-19 18:37 ` [xdp-hints] [PATCH bpf-next v3 02/21] ice: make RX HW timestamp " Larysa Zaremba
2023-07-19 18:37 ` [xdp-hints] [PATCH bpf-next v3 03/21] ice: make RX checksum checking " Larysa Zaremba
2023-07-19 18:37 ` [xdp-hints] [PATCH bpf-next v3 04/21] ice: Make ptype internal to descriptor info processing Larysa Zaremba
2023-07-19 18:37 ` [xdp-hints] [PATCH bpf-next v3 05/21] ice: Introduce ice_xdp_buff Larysa Zaremba
2023-07-19 18:37 ` [xdp-hints] [PATCH bpf-next v3 06/21] ice: Support HW timestamp hint Larysa Zaremba
2023-07-19 18:37 ` [xdp-hints] [PATCH bpf-next v3 07/21] ice: Support RX hash XDP hint Larysa Zaremba
2023-07-19 18:37 ` [xdp-hints] [PATCH bpf-next v3 08/21] ice: Support XDP hints in AF_XDP ZC mode Larysa Zaremba
2023-07-19 18:37 ` [xdp-hints] [PATCH bpf-next v3 09/21] xdp: Add VLAN tag hint Larysa Zaremba
2023-07-20 21:49 ` [xdp-hints] " Stanislav Fomichev
2023-07-19 18:37 ` [xdp-hints] [PATCH bpf-next v3 10/21] ice: Implement " Larysa Zaremba
2023-07-20 18:50 ` [xdp-hints] " Simon Horman
2023-07-21 7:38 ` Zaremba, Larysa
2023-07-19 18:37 ` [xdp-hints] [PATCH bpf-next v3 11/21] ice: use VLAN proto from ring packet context in skb path Larysa Zaremba
2023-07-19 18:37 ` [xdp-hints] [PATCH bpf-next v3 12/21] xdp: Add checksum hint Larysa Zaremba
2023-07-19 21:42 ` [xdp-hints] " Willem de Bruijn
2023-07-20 9:57 ` Zaremba, Larysa
2023-07-20 10:10 ` Zaremba, Larysa
2023-07-20 13:55 ` Willem de Bruijn
2023-07-20 16:03 ` Zaremba, Larysa
2023-07-20 22:27 ` Willem de Bruijn
2023-07-21 8:01 ` Zaremba, Larysa
2023-07-19 18:37 ` [xdp-hints] [PATCH bpf-next v3 13/21] ice: Implement " Larysa Zaremba
2023-07-19 18:59 ` [xdp-hints] " Alexei Starovoitov
2023-07-19 21:51 ` Willem de Bruijn
2023-07-20 9:47 ` Zaremba, Larysa
2023-07-20 15:14 ` Alexei Starovoitov
2023-07-20 15:41 ` Zaremba, Larysa
2023-07-20 21:58 ` Stanislav Fomichev
2023-07-20 22:24 ` Willem de Bruijn
2023-07-19 18:37 ` [xdp-hints] [PATCH bpf-next v3 14/21] selftests/bpf: Allow VLAN packets in xdp_hw_metadata Larysa Zaremba
2023-07-20 21:58 ` [xdp-hints] " Stanislav Fomichev
2023-07-19 18:37 ` [xdp-hints] [PATCH bpf-next v3 15/21] net, xdp: allow metadata > 32 Larysa Zaremba
2023-07-19 18:37 ` [xdp-hints] [PATCH bpf-next v3 16/21] selftests/bpf: Add flags and new hints to xdp_hw_metadata Larysa Zaremba
2023-07-20 22:00 ` [xdp-hints] " Stanislav Fomichev
2023-07-21 7:41 ` Zaremba, Larysa
2023-07-19 18:37 ` [xdp-hints] [PATCH bpf-next v3 17/21] veth: Implement VLAN tag and checksum XDP hint Larysa Zaremba
2023-07-20 22:02 ` [xdp-hints] " Stanislav Fomichev
2023-07-19 18:37 ` [xdp-hints] [PATCH bpf-next v3 18/21] net: make vlan_get_tag() return -ENODATA instead of -EINVAL Larysa Zaremba
2023-07-20 22:02 ` [xdp-hints] " Stanislav Fomichev
2023-07-19 18:37 ` [xdp-hints] [PATCH bpf-next v3 19/21] selftests/bpf: Use AF_INET for TX in xdp_metadata Larysa Zaremba
2023-07-20 22:05 ` [xdp-hints] " Stanislav Fomichev
2023-07-19 18:37 ` [xdp-hints] [PATCH bpf-next v3 20/21] selftests/bpf: Check VLAN tag and proto " Larysa Zaremba
2023-07-20 22:14 ` [xdp-hints] " Stanislav Fomichev
2023-07-21 7:46 ` Zaremba, Larysa
2023-07-21 16:44 ` Stanislav Fomichev
2023-07-25 7:11 ` Larysa Zaremba
2023-07-19 18:37 ` [xdp-hints] [PATCH bpf-next v3 21/21] selftests/bpf: check checksum state " Larysa Zaremba
2023-07-20 22:14 ` Stanislav Fomichev [this message]
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