From: Nick Lowe Date: Mon, 21 Dec 2020 22:25:02 +0000 (+0000) Subject: igb: Enable RSS for Intel I211 Ethernet Controller X-Git-Tag: v5.4.117~16 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=43b515c5294208870d00be76f82730a67923c8fb;p=thirdparty%2Fkernel%2Fstable.git igb: Enable RSS for Intel I211 Ethernet Controller commit 6e6026f2dd2005844fb35c3911e8083c09952c6c upstream. The Intel I211 Ethernet Controller supports 2 Receive Side Scaling (RSS) queues. It should not be excluded from having this feature enabled. Via commit c883de9fd787 ("igb: rename igb define to be more generic") E1000_MRQC_ENABLE_RSS_4Q was renamed to E1000_MRQC_ENABLE_RSS_MQ to indicate that this is a generic bit flag to enable queues and not a flag that is specific to devices that support 4 queues The bit flag enables 2, 4 or 8 queues appropriately depending on the part. Tested with a multicore CPU and frames were then distributed as expected. This issue appears to have been introduced because of confusion caused by the prior name. Signed-off-by: Nick Lowe Tested-by: David Switzer Signed-off-by: Tony Nguyen Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 3e41b20ed8eb5..7a4e2b014dd66 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -4326,8 +4326,7 @@ static void igb_setup_mrqc(struct igb_adapter *adapter) else mrqc |= E1000_MRQC_ENABLE_VMDQ; } else { - if (hw->mac.type != e1000_i211) - mrqc |= E1000_MRQC_ENABLE_RSS_MQ; + mrqc |= E1000_MRQC_ENABLE_RSS_MQ; } igb_vmm_control(adapter);