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authorOlivier Matz <olivier.matz@6wind.com>2022-04-06 12:52:51 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-06-14 17:59:39 +0300
commit48f2235ba40c016246d85b3d06c393a5334d5dd0 (patch)
treeaae3b798acc879f8fc82a507325299b15f58d606
parent6fce324b530dd74750ad870699e33eeed1029ded (diff)
downloadlinux-48f2235ba40c016246d85b3d06c393a5334d5dd0.tar.xz
ixgbe: fix bcast packets Rx on VF after promisc removal
commit 803e9895ea2b0fe80bc85980ae2d7a7e44037914 upstream. After a VF requested to remove the promiscuous flag on an interface, the broadcast packets are not received anymore. This breaks some protocols like ARP. In ixgbe_update_vf_xcast_mode(), we should keep the IXGBE_VMOLR_BAM bit (Broadcast Accept) on promiscuous removal. This flag is already set by default in ixgbe_set_vmolr() on VF reset. Fixes: 8443c1a4b192 ("ixgbe, ixgbevf: Add new mbox API xcast mode") Cc: stable@vger.kernel.org Cc: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: Olivier Matz <olivier.matz@6wind.com> Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
index 8aaf856771d7..ef6aebd716cb 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
@@ -1148,9 +1148,9 @@ static int ixgbe_update_vf_xcast_mode(struct ixgbe_adapter *adapter,
switch (xcast_mode) {
case IXGBEVF_XCAST_MODE_NONE:
- disable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE |
+ disable = IXGBE_VMOLR_ROMPE |
IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE;
- enable = 0;
+ enable = IXGBE_VMOLR_BAM;
break;
case IXGBEVF_XCAST_MODE_MULTI:
disable = IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE;