Zero-copy method for supporting link aggregation of multi-type network cards
A zero-copy, network card technology, applied in the field of zero-copy packet capture, can solve problems such as inability to solve use, poor scalability, multiple network cards, etc., and achieve the effect of easy porting and expansion
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[0050] Example 2
[0051] The structure and operation steps of this embodiment are basically the same as those of embodiment 1, except that the size of each buffer in step B is 2KB, in order to ensure that the buffers requested in the user space are located in continuous memory pages. Above, the memory requested by the interface library function is shared memory, because in the Linux operating system, shared memory is located on a continuous physical page. The specific operation is:
[0052] B1) Apply for a shared buffer in the interface library function and connect to the shared buffer.
[0053] B2) The interface library function passes the first address of the shared buffer to the kernel driver through the ioctl system call command.
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