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_vf_reset_event() on VF reset.
A similar patch was accepted in Linux kernel (see link).
Fixes: 0355c379b71f ("net/ixgbe: support VF promiscuous by PF driver")
Link:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=803e9895ea2b
Signed-off-by: Olivier Matz <olivier.m...@6wind.com>
---
drivers/net/ixgbe/ixgbe_pf.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ixgbe/ixgbe_pf.c b/drivers/net/ixgbe/ixgbe_pf.c
index c73833b7ae..c5ef940533 100644
--- a/drivers/net/ixgbe/ixgbe_pf.c
+++ b/drivers/net/ixgbe/ixgbe_pf.c
@@ -747,9 +747,9 @@ ixgbe_set_vf_mc_promisc(struct rte_eth_dev *dev, uint32_t
vf, uint32_t *msgbuf)
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;
--
2.30.2
