From: "Williams, Mitch A" <[email protected]> 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: [email protected] Signed-off-by: Mitch Williams <[email protected]> Tested-by: Jeff Pieper <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]> --- drivers/net/igb/igb_main.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) 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 -- 1.7.5.2 _______________________________________________ stable mailing list [email protected] http://linux.kernel.org/mailman/listinfo/stable
