[RFC,Optimizing,veth,xsk,performance,07/10] sk_buff: add destructor_arg_xsk_pool for zero copy
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From: "huangjie.albert" <huangjie.albert@bytedance.com>
To: davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com
Cc: "huangjie.albert" <huangjie.albert@bytedance.com>,
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Subject: [RFC Optimizing veth xsk performance 07/10] sk_buff: add
destructor_arg_xsk_pool for zero copy
Date: Thu, 3 Aug 2023 22:04:33 +0800
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Commit Message
黄杰
Aug. 3, 2023, 2:04 p.m. UTC
this member is add for dummy dev to suppot zero copy
Signed-off-by: huangjie.albert <huangjie.albert@bytedance.com>
---
include/linux/skbuff.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 16a49ba534e4..fa9577d233a4 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -592,6 +592,7 @@ struct skb_shared_info { /* Intermediate layers must ensure that destructor_arg * remains valid until skb destructor */ void * destructor_arg; + void * destructor_arg_xsk_pool; /* just for dummy device xsk zero copy */ /* must be last field, see pskb_expand_head() */ skb_frag_t frags[MAX_SKB_FRAGS];