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selftests/xsk: Support tx_metadata_len
Add new config field and propagate to UMEM registration setsockopt. Signed-off-by: Stanislav Fomichev <sdf@google.com> Link: https://lore.kernel.org/r/20231127190319.1190813-10-sdf@google.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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2 changed files with 4 additions and 0 deletions
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@ -115,6 +115,7 @@ static void xsk_set_umem_config(struct xsk_umem_config *cfg,
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cfg->frame_size = XSK_UMEM__DEFAULT_FRAME_SIZE;
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cfg->frame_headroom = XSK_UMEM__DEFAULT_FRAME_HEADROOM;
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cfg->flags = XSK_UMEM__DEFAULT_FLAGS;
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cfg->tx_metadata_len = 0;
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return;
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}
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@ -123,6 +124,7 @@ static void xsk_set_umem_config(struct xsk_umem_config *cfg,
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cfg->frame_size = usr_cfg->frame_size;
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cfg->frame_headroom = usr_cfg->frame_headroom;
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cfg->flags = usr_cfg->flags;
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cfg->tx_metadata_len = usr_cfg->tx_metadata_len;
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}
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static int xsk_set_xdp_socket_config(struct xsk_socket_config *cfg,
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@ -252,6 +254,7 @@ int xsk_umem__create(struct xsk_umem **umem_ptr, void *umem_area,
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mr.chunk_size = umem->config.frame_size;
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mr.headroom = umem->config.frame_headroom;
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mr.flags = umem->config.flags;
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mr.tx_metadata_len = umem->config.tx_metadata_len;
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err = setsockopt(umem->fd, SOL_XDP, XDP_UMEM_REG, &mr, sizeof(mr));
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if (err) {
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@ -200,6 +200,7 @@ struct xsk_umem_config {
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__u32 frame_size;
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__u32 frame_headroom;
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__u32 flags;
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__u32 tx_metadata_len;
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};
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int xsk_attach_xdp_program(struct bpf_program *prog, int ifindex, u32 xdp_flags);
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