net/i40evf: add multicast MAC address filtering
[dpdk.git] / drivers / net / i40e / i40e_ethdev_vf.c
index bc8bbca..750d849 100644 (file)
@@ -1,34 +1,5 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
- *   All rights reserved.
- *
- *   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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2016 Intel Corporation
  */
 
 #include <sys/queue.h>
 #include <rte_log.h>
 #include <rte_debug.h>
 #include <rte_pci.h>
+#include <rte_bus_pci.h>
 #include <rte_atomic.h>
 #include <rte_branch_prediction.h>
 #include <rte_memory.h>
-#include <rte_memzone.h>
 #include <rte_eal.h>
 #include <rte_alarm.h>
 #include <rte_ether.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
 #include <rte_ethdev_pci.h>
 #include <rte_malloc.h>
 #include <rte_dev.h>
@@ -67,8 +38,6 @@
 #include "i40e_rxtx.h"
 #include "i40e_ethdev.h"
 #include "i40e_pf.h"
-#define I40EVF_VSI_DEFAULT_MSIX_INTR     1
-#define I40EVF_VSI_DEFAULT_MSIX_INTR_LNX 0
 
 /* busy wait delay in msec */
 #define I40EVF_BUSY_WAIT_DELAY 10
@@ -118,7 +87,7 @@ static int i40evf_dev_xstats_get_names(struct rte_eth_dev *dev,
 static void i40evf_dev_xstats_reset(struct rte_eth_dev *dev);
 static int i40evf_vlan_filter_set(struct rte_eth_dev *dev,
                                  uint16_t vlan_id, int on);
-static void i40evf_vlan_offload_set(struct rte_eth_dev *dev, int mask);
+static int i40evf_vlan_offload_set(struct rte_eth_dev *dev, int mask);
 static void i40evf_dev_close(struct rte_eth_dev *dev);
 static int  i40evf_dev_reset(struct rte_eth_dev *dev);
 static void i40evf_dev_promiscuous_enable(struct rte_eth_dev *dev);
@@ -161,6 +130,14 @@ static void i40evf_handle_pf_event(struct rte_eth_dev *dev,
                                   uint8_t *msg,
                                   uint16_t msglen);
 
+static int
+i40evf_add_del_mc_addr_list(struct rte_eth_dev *dev,
+                       struct ether_addr *mc_addr_set,
+                       uint32_t nb_mc_addr, bool add);
+static int
+i40evf_set_mc_addr_list(struct rte_eth_dev *dev, struct ether_addr *mc_addr_set,
+                       uint32_t nb_mc_addr);
+
 /* Default hash key buffer for RSS */
 static uint32_t rss_key_default[I40E_VFQF_HKEY_MAX_INDEX + 1];
 
@@ -226,6 +203,7 @@ static const struct eth_dev_ops i40evf_eth_dev_ops = {
        .txq_info_get         = i40e_txq_info_get,
        .mac_addr_add         = i40evf_add_mac_addr,
        .mac_addr_remove      = i40evf_del_mac_addr,
+       .set_mc_addr_list     = i40evf_set_mc_addr_list,
        .reta_update          = i40evf_dev_rss_reta_update,
        .reta_query           = i40evf_dev_rss_reta_query,
        .rss_hash_update      = i40evf_dev_rss_hash_update,
@@ -652,8 +630,9 @@ i40evf_config_irq_map(struct rte_eth_dev *dev)
        uint32_t vector_id;
        int i, err;
 
-       if (rte_intr_allow_others(intr_handle))
-               vector_id = I40EVF_VSI_DEFAULT_MSIX_INTR_LNX;
+       if (dev->data->dev_conf.intr_conf.rxq != 0 &&
+           rte_intr_allow_others(intr_handle))
+               vector_id = I40E_RX_VEC_START;
        else
                vector_id = I40E_MISC_VEC_ID;
 
@@ -946,14 +925,16 @@ i40evf_update_stats(struct i40e_vsi *vsi,
 static void
 i40evf_dev_xstats_reset(struct rte_eth_dev *dev)
 {
+       int ret;
        struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
        struct i40e_eth_stats *pstats = NULL;
 
        /* read stat values to clear hardware registers */
-       i40evf_query_stats(dev, &pstats);
+       ret = i40evf_query_stats(dev, &pstats);
 
        /* set stats offset base on current values */
-       vf->vsi.eth_stats_offset = *pstats;
+       if (ret == 0)
+               vf->vsi.eth_stats_offset = *pstats;
 }
 
 static int i40evf_dev_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
@@ -1064,20 +1045,6 @@ static const struct rte_pci_id pci_id_i40evf_map[] = {
        { .vendor_id = 0, /* sentinel */ },
 };
 
-static inline int
-i40evf_dev_atomic_write_link_status(struct rte_eth_dev *dev,
-                                   struct rte_eth_link *link)
-{
-       struct rte_eth_link *dst = &(dev->data->dev_link);
-       struct rte_eth_link *src = link;
-
-       if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
-                                       *(uint64_t *)src) == 0)
-               return -1;
-
-       return 0;
-}
-
 /* Disable IRQ0 */
 static inline void
 i40evf_disable_irq0(struct i40e_hw *hw)
@@ -1166,7 +1133,7 @@ i40evf_init_vf(struct rte_eth_dev *dev)
        struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
        struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
        uint16_t interval =
-               i40e_calc_itr_interval(I40E_QUEUE_ITR_INTERVAL_MAX);
+               i40e_calc_itr_interval(RTE_LIBRTE_I40E_ITR_INTERVAL, 0, 0);
 
        vf->adapter = I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
        vf->dev_data = dev->data;
@@ -1309,7 +1276,7 @@ i40evf_handle_pf_event(struct rte_eth_dev *dev, uint8_t *msg,
        case VIRTCHNL_EVENT_RESET_IMPENDING:
                PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_RESET_IMPENDING event");
                _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RESET,
-                                             NULL, NULL);
+                                             NULL);
                break;
        case VIRTCHNL_EVENT_LINK_CHANGE:
                PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_LINK_CHANGE event");
@@ -1432,7 +1399,6 @@ i40evf_dev_interrupt_handler(void *param)
 
 done:
        i40evf_enable_irq0(hw);
-       rte_intr_enable(dev->intr_handle);
 }
 
 static int
@@ -1589,13 +1555,17 @@ i40evf_init_vlan(struct rte_eth_dev *dev)
        /* Apply vlan offload setting */
        i40evf_vlan_offload_set(dev, ETH_VLAN_STRIP_MASK);
 
-       return I40E_SUCCESS;
+       return 0;
 }
 
-static void
+static int
 i40evf_vlan_offload_set(struct rte_eth_dev *dev, int mask)
 {
        struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
+       struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
+
+       if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
+               return -ENOTSUP;
 
        /* Vlan stripping setting */
        if (mask & ETH_VLAN_STRIP_MASK) {
@@ -1605,6 +1575,8 @@ i40evf_vlan_offload_set(struct rte_eth_dev *dev, int mask)
                else
                        i40evf_disable_vlan_strip(dev);
        }
+
+       return 0;
 }
 
 static int
@@ -1864,7 +1836,7 @@ i40evf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
        struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
        struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
        uint16_t interval =
-               i40e_calc_itr_interval(RTE_LIBRTE_I40E_ITR_INTERVAL);
+               i40e_calc_itr_interval(RTE_LIBRTE_I40E_ITR_INTERVAL, 0, 0);
        uint16_t msix_intr;
 
        msix_intr = intr_handle->intr_vec[queue_id];
@@ -1999,7 +1971,8 @@ i40evf_dev_start(struct rte_eth_dev *dev)
                                        dev->data->nb_tx_queues);
 
        /* check and configure queue intr-vector mapping */
-       if (dev->data->dev_conf.intr_conf.rxq != 0) {
+       if (rte_intr_cap_multiple(intr_handle) &&
+           dev->data->dev_conf.intr_conf.rxq) {
                intr_vector = dev->data->nb_rx_queues;
                if (rte_intr_efd_enable(intr_handle, intr_vector))
                        return -1;
@@ -2034,17 +2007,35 @@ i40evf_dev_start(struct rte_eth_dev *dev)
 
        /* Set all mac addrs */
        i40evf_add_del_all_mac_addr(dev, TRUE);
+       /* Set all multicast addresses */
+       i40evf_add_del_mc_addr_list(dev, vf->mc_addrs, vf->mc_addrs_num,
+                               TRUE);
 
        if (i40evf_start_queues(dev) != 0) {
                PMD_DRV_LOG(ERR, "enable queues failed");
                goto err_mac;
        }
 
+       /* When a VF port is bound to VFIO-PCI, only miscellaneous interrupt
+        * is mapped to VFIO vector 0 in i40evf_dev_init( ).
+        * If previous VFIO interrupt mapping set in i40evf_dev_init( ) is
+        * not cleared, it will fail when rte_intr_enable( ) tries to map Rx
+        * queue interrupt to other VFIO vectors.
+        * So clear uio/vfio intr/evevnfd first to avoid failure.
+        */
+       if (dev->data->dev_conf.intr_conf.rxq != 0) {
+               rte_intr_disable(intr_handle);
+               rte_intr_enable(intr_handle);
+       }
+
        i40evf_enable_queues_intr(dev);
+
        return 0;
 
 err_mac:
        i40evf_add_del_all_mac_addr(dev, FALSE);
+       i40evf_add_del_mc_addr_list(dev, vf->mc_addrs, vf->mc_addrs_num,
+                               FALSE);
 err_queue:
        return -1;
 }
@@ -2055,6 +2046,7 @@ i40evf_dev_stop(struct rte_eth_dev *dev)
        struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
        struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
        struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 
        PMD_INIT_FUNC_TRACE();
 
@@ -2072,6 +2064,9 @@ i40evf_dev_stop(struct rte_eth_dev *dev)
        }
        /* remove all mac addrs */
        i40evf_add_del_all_mac_addr(dev, FALSE);
+       /* remove all multicast addresses */
+       i40evf_add_del_mc_addr_list(dev, vf->mc_addrs, vf->mc_addrs_num,
+                               FALSE);
        hw->adapter_stopped = 1;
 
 }
@@ -2087,6 +2082,7 @@ i40evf_dev_link_update(struct rte_eth_dev *dev,
         * while Linux driver does not
         */
 
+       memset(&new_link, 0, sizeof(new_link));
        /* Linux driver PF host */
        switch (vf->link_speed) {
        case I40E_LINK_SPEED_100MB:
@@ -2118,9 +2114,7 @@ i40evf_dev_link_update(struct rte_eth_dev *dev,
        new_link.link_autoneg =
                dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED;
 
-       i40evf_dev_atomic_write_link_status(dev, &new_link);
-
-       return 0;
+       return rte_eth_linkstatus_set(dev, &new_link);
 }
 
 static void
@@ -2203,14 +2197,22 @@ i40evf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
                DEV_RX_OFFLOAD_QINQ_STRIP |
                DEV_RX_OFFLOAD_IPV4_CKSUM |
                DEV_RX_OFFLOAD_UDP_CKSUM |
-               DEV_RX_OFFLOAD_TCP_CKSUM;
+               DEV_RX_OFFLOAD_TCP_CKSUM |
+               DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
+               DEV_RX_OFFLOAD_CRC_STRIP;
        dev_info->tx_offload_capa =
                DEV_TX_OFFLOAD_VLAN_INSERT |
                DEV_TX_OFFLOAD_QINQ_INSERT |
                DEV_TX_OFFLOAD_IPV4_CKSUM |
                DEV_TX_OFFLOAD_UDP_CKSUM |
                DEV_TX_OFFLOAD_TCP_CKSUM |
-               DEV_TX_OFFLOAD_SCTP_CKSUM;
+               DEV_TX_OFFLOAD_SCTP_CKSUM |
+               DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
+               DEV_TX_OFFLOAD_TCP_TSO |
+               DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
+               DEV_TX_OFFLOAD_GRE_TNL_TSO |
+               DEV_TX_OFFLOAD_IPIP_TNL_TSO |
+               DEV_TX_OFFLOAD_GENEVE_TNL_TSO;
 
        dev_info->default_rxconf = (struct rte_eth_rxconf) {
                .rx_thresh = {
@@ -2664,19 +2666,101 @@ i40evf_set_default_mac_addr(struct rte_eth_dev *dev,
                            struct ether_addr *mac_addr)
 {
        struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
+       struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 
        if (!is_valid_assigned_ether_addr(mac_addr)) {
                PMD_DRV_LOG(ERR, "Tried to set invalid MAC address.");
                return;
        }
 
-       if (is_same_ether_addr(mac_addr, dev->data->mac_addrs))
-               return;
-
        if (vf->flags & I40E_FLAG_VF_MAC_BY_PF)
                return;
 
-       i40evf_del_mac_addr_by_addr(dev, dev->data->mac_addrs);
+       i40evf_del_mac_addr_by_addr(dev, (struct ether_addr *)hw->mac.addr);
 
        i40evf_add_mac_addr(dev, mac_addr, 0, 0);
+
+       ether_addr_copy(mac_addr, (struct ether_addr *)hw->mac.addr);
+}
+
+static int
+i40evf_add_del_mc_addr_list(struct rte_eth_dev *dev,
+                       struct ether_addr *mc_addrs,
+                       uint32_t mc_addrs_num, bool add)
+{
+       struct virtchnl_ether_addr_list *list;
+       struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
+       uint8_t cmd_buffer[sizeof(struct virtchnl_ether_addr_list) +
+               (I40E_NUM_MACADDR_MAX * sizeof(struct virtchnl_ether_addr))];
+       uint32_t i;
+       int err;
+       struct vf_cmd_info args;
+
+       if (mc_addrs == NULL || mc_addrs_num == 0)
+               return 0;
+
+       if (mc_addrs_num > I40E_NUM_MACADDR_MAX)
+               return -EINVAL;
+
+       list = (struct virtchnl_ether_addr_list *)cmd_buffer;
+       list->vsi_id = vf->vsi_res->vsi_id;
+       list->num_elements = mc_addrs_num;
+
+       for (i = 0; i < mc_addrs_num; i++) {
+               if (!I40E_IS_MULTICAST(mc_addrs[i].addr_bytes)) {
+                       PMD_DRV_LOG(ERR, "Invalid mac:%x:%x:%x:%x:%x:%x",
+                                   mc_addrs[i].addr_bytes[0],
+                                   mc_addrs[i].addr_bytes[1],
+                                   mc_addrs[i].addr_bytes[2],
+                                   mc_addrs[i].addr_bytes[3],
+                                   mc_addrs[i].addr_bytes[4],
+                                   mc_addrs[i].addr_bytes[5]);
+                       return -EINVAL;
+               }
+
+               memcpy(list->list[i].addr, mc_addrs[i].addr_bytes,
+                       sizeof(list->list[i].addr));
+       }
+
+       args.ops = add ? VIRTCHNL_OP_ADD_ETH_ADDR : VIRTCHNL_OP_DEL_ETH_ADDR;
+       args.in_args = cmd_buffer;
+       args.in_args_size = sizeof(struct virtchnl_ether_addr_list) +
+               i * sizeof(struct virtchnl_ether_addr);
+       args.out_buffer = vf->aq_resp;
+       args.out_size = I40E_AQ_BUF_SZ;
+       err = i40evf_execute_vf_cmd(dev, &args);
+       if (err) {
+               PMD_DRV_LOG(ERR, "fail to execute command %s",
+                       add ? "OP_ADD_ETH_ADDR" : "OP_DEL_ETH_ADDR");
+               return err;
+       }
+
+       return 0;
+}
+
+static int
+i40evf_set_mc_addr_list(struct rte_eth_dev *dev, struct ether_addr *mc_addrs,
+                       uint32_t mc_addrs_num)
+{
+       struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
+       int err;
+
+       /* flush previous addresses */
+       err = i40evf_add_del_mc_addr_list(dev, vf->mc_addrs, vf->mc_addrs_num,
+                               FALSE);
+       if (err)
+               return err;
+
+       vf->mc_addrs_num = 0;
+
+       /* add new ones */
+       err = i40evf_add_del_mc_addr_list(dev, mc_addrs, mc_addrs_num,
+                                       TRUE);
+       if (err)
+               return err;
+
+       vf->mc_addrs_num = mc_addrs_num;
+       memcpy(vf->mc_addrs, mc_addrs, mc_addrs_num * sizeof(*mc_addrs));
+
+       return 0;
 }