From 12284221d4c5b768e9a1aa4ef61495edb902c93d Mon Sep 17 00:00:00 2001 From: Dekel Peled Date: Mon, 12 Nov 2018 13:31:06 +0200 Subject: [PATCH] doc: add mlx5 IPv6 multicast limitation in VM 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 Acked-by: Shahaf Shuler --- 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 6ab7d8ec43..3610e00862 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 ---------- -- 2.20.1