| Message ID | 834032195120da5313dbb3f972658d0a6de33b4b.1628854454.git.lorenzo@kernel.org (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | BPF |
| Headers | show |
| Series | mvneta: introduce XDP multi-buffer support | expand |
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 6bdb0db3e825..1abeba7ef82e 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -522,13 +522,17 @@ struct skb_shared_info { unsigned short gso_segs; struct sk_buff *frag_list; struct skb_shared_hwtstamps hwtstamps; - unsigned int gso_type; + union { + unsigned int gso_type; + unsigned int xdp_frags_size; + }; u32 tskey; /* * Warning : all fields before dataref are cleared in __alloc_skb() */ atomic_t dataref; + unsigned int xdp_frags_tsize; /* Intermediate layers must ensure that destructor_arg * remains valid until skb destructor */
Introduce xdp_frags_tsize field in skb_shared_info data structure to store xdp_buff/xdp_frame truesize (xdp_frags_tsize will be used in xdp multi-buff support). In order to not increase skb_shared_info size we will use a hole due to skb_shared_info alignment. Introduce xdp_frags_size field in skb_shared_info data structure reusing gso_type field in order to store xdp_buff/xdp_frame paged size. xdp_frags_size will be used in xdp multi-buff support. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> --- include/linux/skbuff.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)