Wei Zhao dc5a6e7422 net/ixgbe: fix over using multicast table for VF
According to the current implementation, all VFs will set bit
IXGBE_VMOLR_ROMPE during initialization, this cause any VF
will accept packets that match the MTA table. Since the MTA
table is shared by all VFs which means if one VF update MTA
table in function ixgbe_vf_set_multicast, then all other VFs
will receive multicast packets which cause unnecessary
performance overhead.

So it's better to set VF's ROPE bit of register VMOLR only
if multicast address filter is required on that VF.
Also, the ROPE bit should be reset when multicast address
filter is requested to clean.

This patch also aligns to the related fix on ixgbe
kernel driver 5.3.7.

Fixes: 00e30184daa0 ("ixgbe: add PF support")
Cc: stable@dpdk.org

Signed-off-by: Wei Zhao <wei.zhao1@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
2019-01-14 17:44:29 +01:00
2019-01-10 16:57:22 +01:00
2018-11-26 20:19:24 +01:00
2019-01-14 16:37:36 +01:00
2018-03-21 23:04:21 +01:00

DPDK is a set of libraries and drivers for fast packet processing.
It supports many processor architectures and both FreeBSD and Linux.

The DPDK uses the Open Source BSD-3-Clause license for the core libraries
and drivers. The kernel components are GPL-2.0 licensed.

Please check the doc directory for release notes,
API documentation, and sample application information.

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