[PATCH v9 bpf-next 01/14] net: skbuff: add data_len field to skb_shared_info
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From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: 2021-06-14 12:50:40
Also in:
bpf
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Revision v9 of 22 in this series.
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data_len field will be used for paged frame len for xdp_buff/xdp_frame. This is a preliminary patch to properly support xdp-multibuff Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> --- include/linux/skbuff.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index dbf820a50a39..332ec56c200d 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h@@ -522,7 +522,10 @@ struct skb_shared_info { struct sk_buff *frag_list; struct skb_shared_hwtstamps hwtstamps; unsigned int gso_type; - u32 tskey; + union { + u32 tskey; + u32 data_len; + }; /* * Warning : all fields before dataref are cleared in __alloc_skb()
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2.31.1