On Thu, Mar 24, 2016 at 03:22:01PM +0000, Pablo de Lara wrote: > IXGBE supports 128 TX queues. However, the full 128 queues > are only available in VT and DCB mode. > In normal default "none" mode (VT/DCB off) the maximum number > of available queues is only 64. > IXGBE doesn't check the mode when reporting the available > number of queues. If a queue larger than 64 is used in default mode, > the TX packets will be dropped silently. > > This patchset: > > - Modifies the device info to show the correct maximum number of available TX > queues, > depending on the mode. > > - Adds a check to forbid using a queue number larger than 64 > during device configuration (in default mode), so that the problem is > reported as early as possible. > > - It also changes the order of where the dev_conf parameters are copied > into the dev structure so that the correct maximum number of queues > is reported for the correct mode. > > Changes in v4: > - Split the patch in three smaller patches > - Updated release notes document > > Changes in v3: > - Fixed wrong set of TX queues for 82596EB > > Changes in v2: > > - Reorder memcpy of device configuration in rte_eth_dev_configure(), > so function gets the correct maximum number of queues > (depending on the operation mode), before checking the > requested number of queues. > - Renamed new macro > - Reworded/wrapped commit message > > Pablo de Lara (1): > ethdev: copy device configuration earlier > > Wenzhuo Lu (2): > ixgbe: fix incorrect tx queue number assignment > ixgbe: fix incorrect max tx queue number > All three patches are fixes, so all three should have "Fixes" lines in them. Please remember for next time!
Thanks, /Bruce
