From 380a95109c391d77ede69afd6f4a9c855c64542f Mon Sep 17 00:00:00 2001 From: Chiara Meiohas Date: Tue, 12 Nov 2024 11:58:02 +0200 Subject: [PATCH] rdma: Add IB device and net device rename events rdma monitor displays the IB device name and the netdevice name when displaying event info. Since users can modiy these names, we track and notify on renaming events. $ rdma monitor $ rmmod mlx5_ib [UNREGISTER] dev 1 rocep8s0f1 [UNREGISTER] dev 0 rocep8s0f0 $ modprobe mlx5_ib [REGISTER] dev 2 mlx5_0 [NETDEV_ATTACH] dev 2 mlx5_0 port 1 netdev 4 eth2 [REGISTER] dev 3 mlx5_1 [NETDEV_ATTACH] dev 3 mlx5_1 port 1 netdev 5 eth3 [RENAME] dev 2 rocep8s0f0 [RENAME] dev 3 rocep8s0f1 $ devlink dev eswitch set pci/0000:08:00.0 mode switchdev [UNREGISTER] dev 2 rocep8s0f0 [REGISTER] dev 4 mlx5_0 [NETDEV_ATTACH] dev 4 mlx5_0 port 30 netdev 4 eth2 [RENAME] dev 4 rdmap8s0f0 $ echo 4 > /sys/class/net/eth2/device/sriov_numvfs [NETDEV_ATTACH] dev 4 rdmap8s0f0 port 2 netdev 7 eth4 [NETDEV_ATTACH] dev 4 rdmap8s0f0 port 3 netdev 8 eth5 [NETDEV_ATTACH] dev 4 rdmap8s0f0 port 4 netdev 9 eth6 [NETDEV_ATTACH] dev 4 rdmap8s0f0 port 5 netdev 10 eth7 [REGISTER] dev 5 mlx5_0 [NETDEV_ATTACH] dev 5 mlx5_0 port 1 netdev 11 eth8 [REGISTER] dev 6 mlx5_1 [NETDEV_ATTACH] dev 6 mlx5_1 port 1 netdev 12 eth9 [RENAME] dev 5 rocep8s0f0v0 [RENAME] dev 6 rocep8s0f0v1 [REGISTER] dev 7 mlx5_0 [NETDEV_ATTACH] dev 7 mlx5_0 port 1 netdev 13 eth10 [RENAME] dev 7 rocep8s0f0v2 [REGISTER] dev 8 mlx5_0 [NETDEV_ATTACH] dev 8 mlx5_0 port 1 netdev 14 eth11 [RENAME] dev 8 rocep8s0f0v3 $ ip link set eth2 name myeth2 [NETDEV_RENAME] netdev 4 myeth2 $ ip link set eth1 name myeth1 ** no events received, because eth1 is not attached to an IB device ** Signed-off-by: Chiara Meiohas Reviewed-by: Mark Bloch Reviewed-by: Leon Romanovsky Signed-off-by: David Ahern --- rdma/monitor.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/rdma/monitor.c b/rdma/monitor.c index 8c14d575..fc80f7d8 100644 --- a/rdma/monitor.c +++ b/rdma/monitor.c @@ -41,6 +41,8 @@ static void mon_print_event_type(struct nlattr **tb) [RDMA_UNREGISTER_EVENT] = "[UNREGISTER]", [RDMA_NETDEV_ATTACH_EVENT] = "[NETDEV_ATTACH]", [RDMA_NETDEV_DETACH_EVENT] = "[NETDEV_DETACH]", + [RDMA_RENAME_EVENT] = "[RENAME]", + [RDMA_NETDEV_RENAME_EVENT] = "[NETDEV_RENAME]", }; enum rdma_nl_notify_event_type etype; char unknown_type[32]; -- 2.47.2