https://blog.youkuaiyun.com/qq_39748830zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/qq_39748830/article/details/148118785https://blog.youkuaiyun.com/qq_39748830/article/details/148118785qq_39748830Wed, 21 May 2025 16:16:14 +0800https://blog.youkuaiyun.com/qq_39748830/article/details/148118704https://blog.youkuaiyun.com/qq_39748830/article/details/148118704qq_39748830Wed, 21 May 2025 16:13:05 +0800https://blog.youkuaiyun.com/qq_39748830/article/details/148118654https://blog.youkuaiyun.com/qq_39748830/article/details/148118654qq_39748830Wed, 21 May 2025 16:11:24 +0800https://blog.youkuaiyun.com/qq_39748830/article/details/147925133https://blog.youkuaiyun.com/qq_39748830/article/details/147925133qq_39748830Tue, 13 May 2025 15:07:48 +0800https://blog.youkuaiyun.com/qq_39748830/article/details/147925070https://blog.youkuaiyun.com/qq_39748830/article/details/147925070qq_39748830Tue, 13 May 2025 15:05:37 +0800https://blog.youkuaiyun.com/qq_39748830/article/details/147924842https://blog.youkuaiyun.com/qq_39748830/article/details/147924842qq_39748830Tue, 13 May 2025 14:59:34 +0800https://blog.youkuaiyun.com/qq_39748830/article/details/147793955https://blog.youkuaiyun.com/qq_39748830/article/details/147793955qq_39748830Thu, 08 May 2025 15:12:19 +0800https://blog.youkuaiyun.com/qq_39748830/article/details/147793682https://blog.youkuaiyun.com/qq_39748830/article/details/147793682qq_39748830Thu, 08 May 2025 15:03:42 +0800https://blog.youkuaiyun.com/qq_39748830/article/details/147793614https://blog.youkuaiyun.com/qq_39748830/article/details/147793614qq_39748830Thu, 08 May 2025 15:01:04 +0800prod.head赋值，cons_tail由r->cons.tail赋值。当收包的时候，会另外申请一个buffer，然后对buffer进行一系列操作，包括dma映射，随后将指向这个buffer的指针替换环形队列中的指针，在报文的生存周期内，上层操作的指针始终是指向这个原始报文的内存，这样就完成了零拷贝。]]>https://blog.youkuaiyun.com/qq_39748830/article/details/147793474https://blog.youkuaiyun.com/qq_39748830/article/details/147793474qq_39748830Thu, 08 May 2025 14:57:18 +0800https://blog.youkuaiyun.com/qq_39748830/article/details/147766448https://blog.youkuaiyun.com/qq_39748830/article/details/147766448qq_39748830Wed, 07 May 2025 15:02:28 +0800https://blog.youkuaiyun.com/qq_39748830/article/details/147766348https://blog.youkuaiyun.com/qq_39748830/article/details/147766348qq_39748830Wed, 07 May 2025 14:59:27 +0800https://blog.youkuaiyun.com/qq_39748830/article/details/147766279https://blog.youkuaiyun.com/qq_39748830/article/details/147766279qq_39748830Wed, 07 May 2025 14:56:55 +0800https://blog.youkuaiyun.com/qq_39748830/article/details/147766147https://blog.youkuaiyun.com/qq_39748830/article/details/147766147qq_39748830Wed, 07 May 2025 14:52:23 +0800https://blog.youkuaiyun.com/qq_39748830/article/details/147766106https://blog.youkuaiyun.com/qq_39748830/article/details/147766106qq_39748830Wed, 07 May 2025 14:49:52 +0800https://blog.youkuaiyun.com/qq_39748830/article/details/147765937https://blog.youkuaiyun.com/qq_39748830/article/details/147765937qq_39748830Wed, 07 May 2025 14:47:37 +0800https://blog.youkuaiyun.com/qq_39748830/article/details/123866004https://blog.youkuaiyun.com/qq_39748830/article/details/123866004qq_39748830Thu, 31 Mar 2022 10:52:10 +0800https://blog.youkuaiyun.com/qq_39748830/article/details/123865201https://blog.youkuaiyun.com/qq_39748830/article/details/123865201qq_39748830Thu, 31 Mar 2022 10:28:15 +0800https://blog.youkuaiyun.com/qq_39748830/article/details/123864992https://blog.youkuaiyun.com/qq_39748830/article/details/123864992qq_39748830Thu, 31 Mar 2022 10:20:23 +0800