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On Tue, 22 Oct 2002 17:08, Vaibhav Madan wrote:
> Hi
> In the function parse_ethernet_functional_descriptor
>
> if (ether_dev->wNumberMCFilters & (1 << 15)) {
> ether_dev->properties |= PERFECT_FILTERING;
> dbg("Perfect filtering support");
> } else {
> dbg("Imperfect filtering support - need sw hashing");
> }
>
> If the check (ether_dev->wNumberMCFilters & (1 << 15)) succeeds, then it
> should be Imperfect Filtering Support as the bit is set for IMPERFECT
> FILTERING and is 0 for PERFECT_FILTERING.
Good catch. Thanks.
> Also
>
> if (0 == (ether_dev->wNumberMCFilters & (0x7f))) {
> ether_dev->properties |= NO_SET_MULTICAST;
> dbg("Can't use SetEthernetMulticastFilters request");
> }
>
> It should be 0x7fff as the wNumberMCFilters is 16 bit.
Also verified against CDC spec table 41. Thanks also.
Brad
- --
http://linux.conf.au. 22-25Jan2003. Perth, Aust. I'm registered. Are you?
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