diff options
Diffstat (limited to 'drivers/infiniband/ulp/opa_vnic/opa_vnic_vema_iface.c')
| -rw-r--r-- | drivers/infiniband/ulp/opa_vnic/opa_vnic_vema_iface.c | 390 |
1 files changed, 390 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/opa_vnic/opa_vnic_vema_iface.c b/drivers/infiniband/ulp/opa_vnic/opa_vnic_vema_iface.c new file mode 100644 index 000000000000..a51bf977f4d6 --- /dev/null +++ b/drivers/infiniband/ulp/opa_vnic/opa_vnic_vema_iface.c @@ -0,0 +1,390 @@ +/* + * Copyright(c) 2017 Intel Corporation. + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * BSD LICENSE + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * - Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +/* + * This file contains OPA VNIC EMA Interface functions. + */ + +#include "opa_vnic_internal.h" + +/** + * opa_vnic_vema_report_event - sent trap to report the specified event + * @adapter: vnic port adapter + * @event: event to be reported + * + * This function calls vema api to sent a trap for the given event. + */ +void opa_vnic_vema_report_event(struct opa_vnic_adapter *adapter, u8 event) +{ + struct __opa_veswport_info *info = &adapter->info; + struct __opa_veswport_trap trap_data; + + trap_data.fabric_id = info->vesw.fabric_id; + trap_data.veswid = info->vesw.vesw_id; + trap_data.veswportnum = info->vport.port_num; + trap_data.opaportnum = adapter->port_num; + trap_data.veswportindex = adapter->vport_num; + trap_data.opcode = event; + + opa_vnic_vema_send_trap(adapter, &trap_data, info->vport.encap_slid); +} + +/** + * opa_vnic_get_error_counters - get summary counters + * @adapter: vnic port adapter + * @cntrs: pointer to destination summary counters structure + * + * This function populates the summary counters that is maintained by the + * given adapter to destination address provided. + */ +void opa_vnic_get_summary_counters(struct opa_vnic_adapter *adapter, + struct opa_veswport_summary_counters *cntrs) +{ + struct opa_vnic_stats vstats; + __be64 *dst; + u64 *src; + + memset(&vstats, 0, sizeof(vstats)); + mutex_lock(&adapter->stats_lock); + adapter->rn_ops->ndo_get_stats64(adapter->netdev, &vstats.netstats); + mutex_unlock(&adapter->stats_lock); + + cntrs->vp_instance = cpu_to_be16(adapter->vport_num); + cntrs->vesw_id = cpu_to_be16(adapter->info.vesw.vesw_id); + cntrs->veswport_num = cpu_to_be32(adapter->port_num); + + cntrs->tx_errors = cpu_to_be64(vstats.netstats.tx_errors); + cntrs->rx_errors = cpu_to_be64(vstats.netstats.rx_errors); + cntrs->tx_packets = cpu_to_be64(vstats.netstats.tx_packets); + cntrs->rx_packets = cpu_to_be64(vstats.netstats.rx_packets); + cntrs->tx_bytes = cpu_to_be64(vstats.netstats.tx_bytes); + cntrs->rx_bytes = cpu_to_be64(vstats.netstats.rx_bytes); + + /* + * This loop depends on layout of + * opa_veswport_summary_counters opa_vnic_stats structures. + */ + for (dst = &cntrs->tx_unicast, src = &vstats.tx_grp.unicast; + dst < &cntrs->reserved[0]; dst++, src++) { + *dst = cpu_to_be64(*src); + } +} + +/** + * opa_vnic_get_error_counters - get error counters + * @adapter: vnic port adapter + * @cntrs: pointer to destination error counters structure + * + * This function populates the error counters that is maintained by the + * given adapter to destination address provided. + */ +void opa_vnic_get_error_counters(struct opa_vnic_adapter *adapter, + struct opa_veswport_error_counters *cntrs) +{ + struct opa_vnic_stats vstats; + + memset(&vstats, 0, sizeof(vstats)); + mutex_lock(&adapter->stats_lock); + adapter->rn_ops->ndo_get_stats64(adapter->netdev, &vstats.netstats); + mutex_unlock(&adapter->stats_lock); + + cntrs->vp_instance = cpu_to_be16(adapter->vport_num); + cntrs->vesw_id = cpu_to_be16(adapter->info.vesw.vesw_id); + cntrs->veswport_num = cpu_to_be32(adapter->port_num); + + cntrs->tx_errors = cpu_to_be64(vstats.netstats.tx_errors); + cntrs->rx_errors = cpu_to_be64(vstats.netstats.rx_errors); + cntrs->tx_dlid_zero = cpu_to_be64(vstats.tx_dlid_zero); + cntrs->tx_drop_state = cpu_to_be64(vstats.tx_drop_state); + cntrs->tx_logic = cpu_to_be64(vstats.netstats.tx_fifo_errors + + vstats.netstats.tx_carrier_errors); + + cntrs->rx_bad_veswid = cpu_to_be64(vstats.netstats.rx_nohandler); + cntrs->rx_runt = cpu_to_be64(vstats.rx_runt); + cntrs->rx_oversize = cpu_to_be64(vstats.rx_oversize); + cntrs->rx_drop_state = cpu_to_be64(vstats.rx_drop_state); + cntrs->rx_logic = cpu_to_be64(vstats.netstats.rx_fifo_errors); +} + +/** + * opa_vnic_get_vesw_info -- Get the vesw information + * @adapter: vnic port adapter + * @info: pointer to destination vesw info structure + * + * This function copies the vesw info that is maintained by the + * given adapter to destination address provided. + */ +void opa_vnic_get_vesw_info(struct opa_vnic_adapter *adapter, + struct opa_vesw_info *info) +{ + struct __opa_vesw_info *src = &adapter->info.vesw; + int i; + + info->fabric_id = cpu_to_be16(src->fabric_id); + info->vesw_id = cpu_to_be16(src->vesw_id); + memcpy(info->rsvd0, src->rsvd0, ARRAY_SIZE(src->rsvd0)); + info->def_port_mask = cpu_to_be16(src->def_port_mask); + memcpy(info->rsvd1, src->rsvd1, ARRAY_SIZE(src->rsvd1)); + info->pkey = cpu_to_be16(src->pkey); + + memcpy(info->rsvd2, src->rsvd2, ARRAY_SIZE(src->rsvd2)); + info->u_mcast_dlid = cpu_to_be32(src->u_mcast_dlid); + for (i = 0; i < OPA_VESW_MAX_NUM_DEF_PORT; i++) + info->u_ucast_dlid[i] = cpu_to_be32(src->u_ucast_dlid[i]); + + memcpy(info->rsvd3, src->rsvd3, ARRAY_SIZE(src->rsvd3)); + for (i = 0; i < OPA_VNIC_MAX_NUM_PCP; i++) + info->eth_mtu[i] = cpu_to_be16(src->eth_mtu[i]); + + info->eth_mtu_non_vlan = cpu_to_be16(src->eth_mtu_non_vlan); + memcpy(info->rsvd4, src->rsvd4, ARRAY_SIZE(src->rsvd4)); +} + +/** + * opa_vnic_set_vesw_info -- Set the vesw information + * @adapter: vnic port adapter + * @info: pointer to vesw info structure + * + * This function updates the vesw info that is maintained by the + * given adapter with vesw info provided. Reserved fields are stored + * and returned back to EM as is. + */ +void opa_vnic_set_vesw_info(struct opa_vnic_adapter *adapter, + struct opa_vesw_info *info) +{ + struct __opa_vesw_info *dst = &adapter->info.vesw; + int i; + + dst->fabric_id = be16_to_cpu(info->fabric_id); + dst->vesw_id = be16_to_cpu(info->vesw_id); + memcpy(dst->rsvd0, info->rsvd0, ARRAY_SIZE(info->rsvd0)); + dst->def_port_mask = be16_to_cpu(info->def_port_mask); + memcpy(dst->rsvd1, info->rsvd1, ARRAY_SIZE(info->rsvd1)); + dst->pkey = be16_to_cpu(info->pkey); + + memcpy(dst->rsvd2, info->rsvd2, ARRAY_SIZE(info->rsvd2)); + dst->u_mcast_dlid = be32_to_cpu(info->u_mcast_dlid); + for (i = 0; i < OPA_VESW_MAX_NUM_DEF_PORT; i++) + dst->u_ucast_dlid[i] = be32_to_cpu(info->u_ucast_dlid[i]); + + memcpy(dst->rsvd3, info->rsvd3, ARRAY_SIZE(info->rsvd3)); + for (i = 0; i < OPA_VNIC_MAX_NUM_PCP; i++) + dst->eth_mtu[i] = be16_to_cpu(info->eth_mtu[i]); + + dst->eth_mtu_non_vlan = be16_to_cpu(info->eth_mtu_non_vlan); + memcpy(dst->rsvd4, info->rsvd4, ARRAY_SIZE(info->rsvd4)); +} + +/** + * opa_vnic_get_per_veswport_info -- Get the vesw per port information + * @adapter: vnic port adapter + * @info: pointer to destination vport info structure + * + * This function copies the vesw per port info that is maintained by the + * given adapter to destination address provided. + * Note that the read only fields are not copied. + */ +void opa_vnic_get_per_veswport_info(struct opa_vnic_adapter *adapter, + struct opa_per_veswport_info *info) +{ + struct __opa_per_veswport_info *src = &adapter->info.vport; + + info->port_num = cpu_to_be32(src->port_num); + info->eth_link_status = src->eth_link_status; + memcpy(info->rsvd0, src->rsvd0, ARRAY_SIZE(src->rsvd0)); + + memcpy(info->base_mac_addr, src->base_mac_addr, + ARRAY_SIZE(info->base_mac_addr)); + info->config_state = src->config_state; + info->oper_state = src->oper_state; + info->max_mac_tbl_ent = cpu_to_be16(src->max_mac_tbl_ent); + info->max_smac_ent = cpu_to_be16(src->max_smac_ent); + info->mac_tbl_digest = cpu_to_be32(src->mac_tbl_digest); + memcpy(info->rsvd1, src->rsvd1, ARRAY_SIZE(src->rsvd1)); + + info->encap_slid = cpu_to_be32(src->encap_slid); + memcpy(info->pcp_to_sc_uc, src->pcp_to_sc_uc, + ARRAY_SIZE(info->pcp_to_sc_uc)); + memcpy(info->pcp_to_vl_uc, src->pcp_to_vl_uc, + ARRAY_SIZE(info->pcp_to_vl_uc)); + memcpy(info->pcp_to_sc_mc, src->pcp_to_sc_mc, + ARRAY_SIZE(info->pcp_to_sc_mc)); + memcpy(info->pcp_to_vl_mc, src->pcp_to_vl_mc, + ARRAY_SIZE(info->pcp_to_vl_mc)); + info->non_vlan_sc_uc = src->non_vlan_sc_uc; + info->non_vlan_vl_uc = src->non_vlan_vl_uc; + info->non_vlan_sc_mc = src->non_vlan_sc_mc; + info->non_vlan_vl_mc = src->non_vlan_vl_mc; + memcpy(info->rsvd2, src->rsvd2, ARRAY_SIZE(src->rsvd2)); + + info->uc_macs_gen_count = cpu_to_be16(src->uc_macs_gen_count); + info->mc_macs_gen_count = cpu_to_be16(src->mc_macs_gen_count); + memcpy(info->rsvd3, src->rsvd3, ARRAY_SIZE(src->rsvd3)); +} + +/** + * opa_vnic_set_per_veswport_info -- Set vesw per port information + * @adapter: vnic port adapter + * @info: pointer to vport info structure + * + * This function updates the vesw per port info that is maintained by the + * given adapter with vesw per port info provided. Reserved fields are + * stored and returned back to EM as is. + */ +void opa_vnic_set_per_veswport_info(struct opa_vnic_adapter *adapter, + struct opa_per_veswport_info *info) +{ + struct __opa_per_veswport_info *dst = &adapter->info.vport; + + dst->port_num = be32_to_cpu(info->port_num); + memcpy(dst->rsvd0, info->rsvd0, ARRAY_SIZE(info->rsvd0)); + + memcpy(dst->base_mac_addr, info->base_mac_addr, + ARRAY_SIZE(dst->base_mac_addr)); + dst->config_state = info->config_state; + memcpy(dst->rsvd1, info->rsvd1, ARRAY_SIZE(info->rsvd1)); + + dst->encap_slid = be32_to_cpu(info->encap_slid); + memcpy(dst->pcp_to_sc_uc, info->pcp_to_sc_uc, + ARRAY_SIZE(dst->pcp_to_sc_uc)); + memcpy(dst->pcp_to_vl_uc, info->pcp_to_vl_uc, + ARRAY_SIZE(dst->pcp_to_vl_uc)); + memcpy(dst->pcp_to_sc_mc, info->pcp_to_sc_mc, + ARRAY_SIZE(dst->pcp_to_sc_mc)); + memcpy(dst->pcp_to_vl_mc, info->pcp_to_vl_mc, + ARRAY_SIZE(dst->pcp_to_vl_mc)); + dst->non_vlan_sc_uc = info->non_vlan_sc_uc; + dst->non_vlan_vl_uc = info->non_vlan_vl_uc; + dst->non_vlan_sc_mc = info->non_vlan_sc_mc; + dst->non_vlan_vl_mc = info->non_vlan_vl_mc; + memcpy(dst->rsvd2, info->rsvd2, ARRAY_SIZE(info->rsvd2)); + memcpy(dst->rsvd3, info->rsvd3, ARRAY_SIZE(info->rsvd3)); +} + +/** + * opa_vnic_query_mcast_macs - query multicast mac list + * @adapter: vnic port adapter + * @macs: pointer mac list + * + * This function populates the provided mac list with the configured + * multicast addresses in the adapter. + */ +void opa_vnic_query_mcast_macs(struct opa_vnic_adapter *adapter, + struct opa_veswport_iface_macs *macs) +{ + u16 start_idx, num_macs, idx = 0, count = 0; + struct netdev_hw_addr *ha; + + start_idx = be16_to_cpu(macs->start_idx); + num_macs = be16_to_cpu(macs->num_macs_in_msg); + netdev_for_each_mc_addr(ha, adapter->netdev) { + struct opa_vnic_iface_mac_entry *entry = &macs->entry[count]; + + if (start_idx > idx++) + continue; + else if (num_macs == count) + break; + memcpy(entry, ha->addr, sizeof(*entry)); + count++; + } + + macs->tot_macs_in_lst = cpu_to_be16(netdev_mc_count(adapter->netdev)); + macs->num_macs_in_msg = cpu_to_be16(count); + macs->gen_count = cpu_to_be16(adapter->info.vport.mc_macs_gen_count); +} + +/** + * opa_vnic_query_ucast_macs - query unicast mac list + * @adapter: vnic port adapter + * @macs: pointer mac list + * + * This function populates the provided mac list with the configured + * unicast addresses in the adapter. + */ +void opa_vnic_query_ucast_macs(struct opa_vnic_adapter *adapter, + struct opa_veswport_iface_macs *macs) +{ + u16 start_idx, tot_macs, num_macs, idx = 0, count = 0; + struct netdev_hw_addr *ha; + + start_idx = be16_to_cpu(macs->start_idx); + num_macs = be16_to_cpu(macs->num_macs_in_msg); + /* loop through dev_addrs list first */ + for_each_dev_addr(adapter->netdev, ha) { + struct opa_vnic_iface_mac_entry *entry = &macs->entry[count]; + + /* Do not include EM specified MAC address */ + if (!memcmp(adapter->info.vport.base_mac_addr, ha->addr, + ARRAY_SIZE(adapter->info.vport.base_mac_addr))) + continue; + + if (start_idx > idx++) + continue; + else if (num_macs == count) + break; + memcpy(entry, ha->addr, sizeof(*entry)); + count++; + } + + /* loop through uc list */ + netdev_for_each_uc_addr(ha, adapter->netdev) { + struct opa_vnic_iface_mac_entry *entry = &macs->entry[count]; + + if (start_idx > idx++) + continue; + else if (num_macs == count) + break; + memcpy(entry, ha->addr, sizeof(*entry)); + count++; + } + + tot_macs = netdev_hw_addr_list_count(&adapter->netdev->dev_addrs) + + netdev_uc_count(adapter->netdev); + macs->tot_macs_in_lst = cpu_to_be16(tot_macs); + macs->num_macs_in_msg = cpu_to_be16(count); + macs->gen_count = cpu_to_be16(adapter->info.vport.uc_macs_gen_count); +} |