2011/5/14 Oliver Neukum <oliver@xxxxxxxxxx>: > Am Donnerstag, 12. Mai 2011, 16:37:28 schrieb Alan Stern: >> Therefore usbnet's poll routine should take the "weight" argument as an >> indication of how many outstanding rx URBs are allowed. ÂEach time the >> poll routine is called, it should check to see if any rx URBs have >> completed since the previous poll. ÂIf not then there is no network >> traffic, so usbnet can take itself out of the poll loop. ÂOtherwise, >> the number of outstanding URBs should be adjusted (by unlinking some or >> submitting more -- subject to some fixed maximum limit) to match the >> new "weight". > What does happen if we reach the weight 0 ? Poll callback won't be called with weight 0. If there are more RX packets after processing 'weight' of them, then the callback will be called again later. Best Regards, MichaÅ MirosÅaw -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
