Date: Mon, 31 Aug 2020 16:32:17 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r365003 - head/sys/dev/mlx5/mlx5_core Message-ID: <202008311632.07VGWH20050564@repo.freebsd.org>
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Author: kib Date: Mon Aug 31 16:32:17 2020 New Revision: 365003 URL: https://svnweb.freebsd.org/changeset/base/365003 Log: mlx5 sriov: Add controls for VFs to set port/node GUIDs. Setting GUIDs make RoCE offloads functional on VFs. Reported and tested by: chuck Sponsored by: Mellanox Technologies - Nvidia MFC after: 1 week Modified: head/sys/dev/mlx5/mlx5_core/mlx5_main.c Modified: head/sys/dev/mlx5/mlx5_core/mlx5_main.c ============================================================================== --- head/sys/dev/mlx5/mlx5_core/mlx5_main.c Mon Aug 31 16:30:52 2020 (r365002) +++ head/sys/dev/mlx5/mlx5_core/mlx5_main.c Mon Aug 31 16:32:17 2020 (r365003) @@ -180,6 +180,8 @@ static struct mlx5_profile profiles[] = { #ifdef PCI_IOV static const char iov_mac_addr_name[] = "mac-addr"; +static const char iov_node_guid_name[] = "node-guid"; +static const char iov_port_guid_name[] = "port-guid"; #endif static int set_dma_caps(struct pci_dev *pdev) @@ -1624,6 +1626,10 @@ static int init_one(struct pci_dev *pdev, vf_schema = pci_iov_schema_alloc_node(); pci_iov_schema_add_unicast_mac(vf_schema, iov_mac_addr_name, 0, NULL); + pci_iov_schema_add_uint64(vf_schema, iov_node_guid_name, + 0, 0); + pci_iov_schema_add_uint64(vf_schema, iov_port_guid_name, + 0, 0); err = pci_iov_attach(bsddev, pf_schema, vf_schema); if (err != 0) { device_printf(bsddev, @@ -1825,6 +1831,7 @@ mlx5_iov_add_vf(device_t dev, uint16_t vfnum, const nv struct mlx5_priv *priv; const void *mac; size_t mac_size; + uint64_t node_guid, port_guid; int error; pdev = device_get_softc(dev); @@ -1842,6 +1849,28 @@ mlx5_iov_add_vf(device_t dev, uint16_t vfnum, const nv if (error != 0) { mlx5_core_err(core_dev, "setting MAC for VF %d failed, error %d\n", + vfnum + 1, error); + } + } + + if (nvlist_exists_number(vf_config, iov_node_guid_name)) { + node_guid = nvlist_get_number(vf_config, iov_node_guid_name); + error = -mlx5_modify_nic_vport_node_guid(core_dev, vfnum + 1, + node_guid); + if (error != 0) { + mlx5_core_err(core_dev, + "modifying node GUID for VF %d failed, error %d\n", + vfnum + 1, error); + } + } + + if (nvlist_exists_number(vf_config, iov_port_guid_name)) { + port_guid = nvlist_get_number(vf_config, iov_port_guid_name); + error = -mlx5_modify_nic_vport_port_guid(core_dev, vfnum + 1, + port_guid); + if (error != 0) { + mlx5_core_err(core_dev, + "modifying port GUID for VF %d failed, error %d\n", vfnum + 1, error); } }
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