+ ABSTRACT
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-This file documents the CONFIG_PACKET_MMAP option available with the PACKET
+This file documents the mmap() facility available with the PACKET
socket interface on 2.4 and 2.6 kernels. This type of sockets is used for
capture network traffic with utilities like tcpdump or any other that needs
raw access to network interface.
supported by devices of your network.
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-+ How to use CONFIG_PACKET_MMAP to improve capture process
++ How to use mmap() to improve capture process
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From the user standpoint, you should use the higher level libpcap library, which
support.
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-+ How to use CONFIG_PACKET_MMAP directly to improve capture process
++ How to use mmap() directly to improve capture process
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From the system calls stand point, the use of PACKET_MMAP involves
the use of this buffer.
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-+ How to use CONFIG_PACKET_MMAP directly to improve transmission process
++ How to use mmap() directly to improve transmission process
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Transmission process is similar to capture as shown below.