6 DS271PP3
CS8900A
结晶 lan
™ isa ethernet 控制
cirrus 逻辑 产品 数据 薄板
5.2.1.3 转移 ............................................................................................................................ 81
5.2.2 receive 配置 ............................................................................................................... 81
5.2.2.1 configuring 这 物理的 接口.................................................................................... 81
5.2.2.2 choosing 这个 框架 类型 至 接受.......................................................................... 81
5.2.2.3 selecting 这个 events 导致 中断 ......................................................................... 82
5.2.2.4 choosing 如何 至 转移 frames .................................................................................. 82
5.2.3 receive 框架 前-处理 ................................................................................................. 83
5.2.3.1 destination 地址 过滤 ........................................................................................... 83
5.2.3.2 early 中断 一代 ................................................................................................ 84
5.2.3.3 acceptance 过滤......................................................................................................... 84
5.2.3.4 正常的 中断 一代............................................................................................. 84
5.2.4 使保持 vs. dmaed receive frames.............................................................................................. 84
5.2.5 buffering 使保持 receive frames ................................................................................................. 84
5.2.6 transferring 使保持 receive frames ............................................................................................ 86
5.2.7 receive 框架 visibility............................................................................................................. 86
5.2.8 例子 的 记忆 模式 receive 运作 .......................................................................... 86
5.2.9 receive 框架 字节 计数器..................................................................................................... 87
5.3 receive 框架 地址 过滤 ........................................................................................................ 87
5.3.0.1 单独的 地址 frames............................................................................................... 88
5.3.0.2 multicast frames .............................................................................................................. 88
5.3.0.3 broadcast frames ............................................................................................................ 88
5.3.1 configuring 这 destination 地址 过滤 ................................................................................ 88
5.3.2 hash 过滤 ................................................................................................................................. 89
5.3.2.1 hash 过滤 运作 ....................................................................................................... 89
5.3.3 broadcast 框架 hashing 例外 ........................................................................................89
5.4 receive dma ...................................................................................................................................... 90
5.4.1 overview .................................................................................................................................... 90
5.4.2 configuring 这 cs8900a 为 dma 运作 ........................................................................... 90
5.4.3 dma receive 缓存区 大小 .......................................................................................................... 90
5.4.4 receive-dma-仅有的 运作 ................................................................................................... 91
5.4.5 committing 缓存区 空间 至 一个 dmaed 框架............................................................................ 92
5.4.6 dma 缓存区 organization ........................................................................................................... 92
5.4.7 rxdmaframe 位 ....................................................................................................................... 92
5.4.8 receive dma 例子 没有 wrap-周围 .......................................................................... 92
5.4.9 receive dma 运作 为 rxdma-仅有的 模式 ....................................................................... 92
5.5 自动-转变 dma ................................................................................................................................ 93
5.5.1 overview .................................................................................................................................... 93
5.5.2 configuring 这 cs8900a 为 自动-转变 dma........................................................................ 94
5.5.3 自动-转变 dma 运作 ...................................................................................................... 94
5.5.4 dma 频道 速 vs. missed frames .................................................................................. 95
5.5.5 exit 从 dma........................................................................................................................... 95
5.5.6 自动-转变 dma 例子........................................................................................................ 96
5.6 streamtransfer ................................................................................................................................... 96
5.6.1 overview .................................................................................................................................... 96
5.6.2 configuring 这 cs8900a 为 streamtransfer ........................................................................... 96
5.6.3 streamtransfer 运作 ......................................................................................................... 96
5.6.4 keeping streamtransfer 模式 起作用的 .......................................................................................96
5.6.5 例子 的 streamtransfer ....................................................................................................... 98
5.6.6 receive dma summary............................................................................................................. 98
5.7 transmit 运作.............................................................................................................................. 99
5.7.1 overview .................................................................................................................................... 99
5.7.2 transmit 配置............................................................................................................... 99
5.7.2.1 configuring 这 物理的 接口.................................................................................... 99
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