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* [PATCH bpf v2 1/1] selftests/bpf: Actuate tx_metadata_len in xdp_hw_metadata
@ 2024-12-05  4:42 Song Yoong Siang
  2024-12-06  1:00 ` patchwork-bot+netdevbpf
  0 siblings, 1 reply; 2+ messages in thread
From: Song Yoong Siang @ 2024-12-05  4:42 UTC (permalink / raw)
  To: Alexei Starovoitov, Daniel Borkmann, David S . Miller,
	Jakub Kicinski, Jesper Dangaard Brouer, John Fastabend,
	Andrii Nakryiko, Eduard Zingerman, Mykola Lysenko,
	Martin KaFai Lau, Song Liu, Yonghong Song, KP Singh,
	Stanislav Fomichev, Hao Luo, Jiri Olsa, Shuah Khan,
	Maciej Fijalkowski
  Cc: netdev, bpf, linux-kselftest, linux-kernel, stable

set XDP_UMEM_TX_METADATA_LEN flag to reserve tx_metadata_len bytes of
per-chunk metadata.

Fixes: d5e726d9143c ("xsk: Require XDP_UMEM_TX_METADATA_LEN to actuate tx_metadata_len")
Cc: stable@vger.kernel.org # v6.11
Signed-off-by: Song Yoong Siang <yoong.siang.song@intel.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
---
v1: https://patchwork.kernel.org/project/netdevbpf/patch/20241204115715.3148412-1-yoong.siang.song@intel.com/

v1->v2 changelog:
 - Add Fixes tag (Stanislav).
 - Add stable@vger.kernel.org in email cc list.
 - Separate the patch into two, current one submit to bpf,
   another one submit to bpf-next.
 - Update the commit title.
---
 tools/testing/selftests/bpf/xdp_hw_metadata.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/bpf/xdp_hw_metadata.c b/tools/testing/selftests/bpf/xdp_hw_metadata.c
index 6f9956eed797..ad6c08dfd6c8 100644
--- a/tools/testing/selftests/bpf/xdp_hw_metadata.c
+++ b/tools/testing/selftests/bpf/xdp_hw_metadata.c
@@ -79,7 +79,7 @@ static int open_xsk(int ifindex, struct xsk *xsk, __u32 queue_id)
 		.fill_size = XSK_RING_PROD__DEFAULT_NUM_DESCS,
 		.comp_size = XSK_RING_CONS__DEFAULT_NUM_DESCS,
 		.frame_size = XSK_UMEM__DEFAULT_FRAME_SIZE,
-		.flags = XSK_UMEM__DEFAULT_FLAGS,
+		.flags = XDP_UMEM_TX_METADATA_LEN,
 		.tx_metadata_len = sizeof(struct xsk_tx_metadata),
 	};
 	__u32 idx = 0;
-- 
2.34.1


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2024-12-05  4:42 [PATCH bpf v2 1/1] selftests/bpf: Actuate tx_metadata_len in xdp_hw_metadata Song Yoong Siang
2024-12-06  1:00 ` patchwork-bot+netdevbpf

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