[dpdk-dev] [PATCH] doc: document IPv6 multicast limitation on VM

Dekel Peled dekelp at mellanox.com
Mon Nov 12 12:31:06 CET 2018


This patch adds limitation notice for MLX5 PMD.
IPv6 multicast messages are not received on VM when promiscuous
and allmulticast modes are off, due to netlink restriction.

Signed-off-by: Dekel Peled <dekelp at mellanox.com>
---
 doc/guides/nics/mlx5.rst | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst
index 6ab7d8e..3610e00 100644
--- a/doc/guides/nics/mlx5.rst
+++ b/doc/guides/nics/mlx5.rst
@@ -137,6 +137,11 @@ Limitations
   enabled (``rxq_cqe_comp_en``) at the same time, RSS hash result is not fully
   supported. Some Rx packets may not have PKT_RX_RSS_HASH.
 
+- IPv6 Multicast messages are not supported on VM, while promiscuous mode
+  and allmulticast mode are both set to off.
+  To receive IPv6 Multicast messages on VM, explicitly set the relevant
+  MAC address using rte_eth_dev_mac_addr_add() API.
+
 Statistics
 ----------
 
-- 
1.8.3.1



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