Message ID | 1307450339-9889-1-git-send-email-jeffrey.t.kirsher@intel.com |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
From: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Date: Tue, 7 Jun 2011 05:38:59 -0700 > From: "Williams, Mitch A" <mitch.a.williams@intel.com> > > When SR-IOV is enabled, i350 devices fail to pass traffic. This is due to > the driver attempting to enable RSS on the PF device, which is not > supported by the i350. > > When max_vfs is specified on an i350 adapter, set the number of RSS queues > to 1. > > This issue affects 2.6.39 as well. > > CC: stable@kernel.org > Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> > Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com> > Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Applied. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index 18fccf9..2c28621 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -2373,6 +2373,9 @@ static int __devinit igb_sw_init(struct igb_adapter *adapter) } #endif /* CONFIG_PCI_IOV */ adapter->rss_queues = min_t(u32, IGB_MAX_RX_QUEUES, num_online_cpus()); + /* i350 cannot do RSS and SR-IOV at the same time */ + if (hw->mac.type == e1000_i350 && adapter->vfs_allocated_count) + adapter->rss_queues = 1; /* * if rss_queues > 4 or vfs are going to be allocated with rss_queues