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From:   "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
Message-Id: <20230803140441.53596-8-huangjie.albert@bytedance.com>
In-Reply-To: <20230803140441.53596-1-huangjie.albert@bytedance.com>
References: <20230803140441.53596-1-huangjie.albert@bytedance.com>
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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];
-- 
2.20.1