> Lorenzo Bianconi <lorenzo@xxxxxxxxxx> writes: > [...] > > + * Description > > + * For XDP frames split over multiple buffers, the > > + * *xdp_md*\ **->data** and*xdp_md *\ **->data_end** pointers > > + * will point to the start and end of the first fragment only. > > + * This helper can be used to access subsequent fragments by > > + * moving the data pointers. To use, an XDP program can call > > + * this helper with the byte offset of the packet payload that > > + * it wants to access; the helper will move *xdp_md*\ **->data** > > + * and *xdp_md *\ **->data_end** so they point to the requested > > + * payload offset and to the end of the fragment containing this > > + * byte offset, and return the byte offset of the start of the > > + * fragment. > > This comment is wrong now :) actually we are still returning the byte offset of the start of the fragment (base_offset). Lorenzo > > -Toke >
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