> -----Original Message----- > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Pablo de Lara > Sent: Thursday, March 24, 2016 3:22 PM > To: dev at dpdk.org > Cc: Lu, Wenzhuo <wenzhuo.lu at intel.com>; Richardson, Bruce > <bruce.richardson at intel.com>; De Lara Guarch, Pablo > <pablo.de.lara.guarch at intel.com> > Subject: [dpdk-dev] [PATCH v4 3/3] ixgbe: fix incorrect max tx queue > number > > From: Wenzhuo Lu <wenzhuo.lu at intel.com> > > 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 change 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. > > Signed-off-by: Wenzhuo Lu <wenzhuo.lu at intel.com> > Signed-off-by: Pablo de Lara <pablo.de.lara.guarch at intel.com>
Acked-by: John McNamara <john.mcnamara at intel.com>