New upstream version 18.02
[deb_dpdk.git] / drivers / net / i40e / i40e_pf.c
index 100f8dc..dd3962d 100644 (file)
@@ -1,34 +1,5 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2017 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) 2010-2017 Intel Corporation
  */
 
 #include <sys/queue.h>
@@ -43,8 +14,7 @@
 #include <rte_string_fns.h>
 #include <rte_pci.h>
 #include <rte_ether.h>
-#include <rte_ethdev.h>
-#include <rte_memzone.h>
+#include <rte_ethdev_driver.h>
 #include <rte_malloc.h>
 #include <rte_memcpy.h>
 
@@ -274,19 +244,23 @@ i40e_pf_host_send_msg_to_vf(struct i40e_pf_vf *vf,
 }
 
 static void
-i40e_pf_host_process_cmd_version(struct i40e_pf_vf *vf, bool b_op)
+i40e_pf_host_process_cmd_version(struct i40e_pf_vf *vf, uint8_t *msg,
+                                bool b_op)
 {
        struct virtchnl_version_info info;
 
-       /* Respond like a Linux PF host in order to support both DPDK VF and
-        * Linux VF driver. The expense is original DPDK host specific feature
+       /* VF and PF drivers need to follow the Virtchnl definition, No matter
+        * it's DPDK or other kernel drivers.
+        * The original DPDK host specific feature
         * like CFG_VLAN_PVID and CONFIG_VSI_QUEUES_EXT will not available.
-        *
-        * DPDK VF also can't identify host driver by version number returned.
-        * It always assume talking with Linux PF.
         */
+
        info.major = VIRTCHNL_VERSION_MAJOR;
-       info.minor = VIRTCHNL_VERSION_MINOR_NO_VF_CAPS;
+       vf->version = *(struct virtchnl_version_info *)msg;
+       if (VF_IS_V10(&vf->version))
+               info.minor = VIRTCHNL_VERSION_MINOR_NO_VF_CAPS;
+       else
+               info.minor = VIRTCHNL_VERSION_MINOR;
 
        if (b_op)
                i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_VERSION,
@@ -310,11 +284,13 @@ i40e_pf_host_process_cmd_reset_vf(struct i40e_pf_vf *vf)
 }
 
 static int
-i40e_pf_host_process_cmd_get_vf_resource(struct i40e_pf_vf *vf, bool b_op)
+i40e_pf_host_process_cmd_get_vf_resource(struct i40e_pf_vf *vf, uint8_t *msg,
+                                        bool b_op)
 {
        struct virtchnl_vf_resource *vf_res = NULL;
        struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
        uint32_t len = 0;
+       uint64_t default_hena = I40E_RSS_HENA_ALL;
        int ret = I40E_SUCCESS;
 
        if (!b_op) {
@@ -338,11 +314,35 @@ i40e_pf_host_process_cmd_get_vf_resource(struct i40e_pf_vf *vf, bool b_op)
                goto send_msg;
        }
 
-       vf_res->vf_offload_flags = VIRTCHNL_VF_OFFLOAD_L2 |
-                               VIRTCHNL_VF_OFFLOAD_VLAN;
+       if (VF_IS_V10(&vf->version)) /* doesn't support offload negotiate */
+               vf->request_caps = VIRTCHNL_VF_OFFLOAD_L2 |
+                                  VIRTCHNL_VF_OFFLOAD_VLAN;
+       else
+               vf->request_caps = *(uint32_t *)msg;
+
+       /* enable all RSS by default,
+        * doesn't support hena setting by virtchnnl yet.
+        */
+       if (vf->request_caps & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
+               I40E_WRITE_REG(hw, I40E_VFQF_HENA1(0, vf->vf_idx),
+                              (uint32_t)default_hena);
+               I40E_WRITE_REG(hw, I40E_VFQF_HENA1(1, vf->vf_idx),
+                              (uint32_t)(default_hena >> 32));
+               I40E_WRITE_FLUSH(hw);
+       }
+
+       vf_res->vf_cap_flags = vf->request_caps &
+                                  I40E_VIRTCHNL_OFFLOAD_CAPS;
+       /* For X722, it supports write back on ITR
+        * without binding queue to interrupt vector.
+        */
+       if (hw->mac.type == I40E_MAC_X722)
+               vf_res->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_WB_ON_ITR;
        vf_res->max_vectors = hw->func_caps.num_msix_vectors_vf;
        vf_res->num_queue_pairs = vf->vsi->nb_qps;
        vf_res->num_vsis = I40E_DEFAULT_VF_VSI_NUM;
+       vf_res->rss_key_size = (I40E_PFQF_HKEY_MAX_INDEX + 1) * 4;
+       vf_res->rss_lut_size = (I40E_VFQF_HLUT1_MAX_INDEX + 1) * 4;
 
        /* Change below setting if PF host can support more VSIs for VF */
        vf_res->vsi_res[0].vsi_type = VIRTCHNL_VSI_SRIOV;
@@ -538,73 +538,6 @@ send_msg:
        return ret;
 }
 
-static int
-i40e_pf_host_process_cmd_config_vsi_queues_ext(struct i40e_pf_vf *vf,
-                                              uint8_t *msg,
-                                              uint16_t msglen,
-                                              bool b_op)
-{
-       struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
-       struct i40e_vsi *vsi = vf->vsi;
-       struct virtchnl_vsi_queue_config_ext_info *vc_vqcei =
-               (struct virtchnl_vsi_queue_config_ext_info *)msg;
-       struct virtchnl_queue_pair_ext_info *vc_qpei;
-       int i, ret = I40E_SUCCESS;
-
-       if (!b_op) {
-               i40e_pf_host_send_msg_to_vf(
-                       vf,
-                       VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT,
-                       I40E_NOT_SUPPORTED, NULL, 0);
-               return ret;
-       }
-
-       if (!msg || vc_vqcei->num_queue_pairs > vsi->nb_qps ||
-               vc_vqcei->num_queue_pairs > I40E_MAX_VSI_QP ||
-               msglen < I40E_VIRTCHNL_CONFIG_VSI_QUEUES_SIZE(vc_vqcei,
-                                       vc_vqcei->num_queue_pairs)) {
-               PMD_DRV_LOG(ERR, "vsi_queue_config_ext_info argument wrong");
-               ret = I40E_ERR_PARAM;
-               goto send_msg;
-       }
-
-       vc_qpei = vc_vqcei->qpair;
-       for (i = 0; i < vc_vqcei->num_queue_pairs; i++) {
-               if (vc_qpei[i].rxq.queue_id > vsi->nb_qps - 1 ||
-                       vc_qpei[i].txq.queue_id > vsi->nb_qps - 1) {
-                       ret = I40E_ERR_PARAM;
-                       goto send_msg;
-               }
-               /*
-                * Apply VF RX queue setting to HMC.
-                * If the opcode is VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT,
-                * then the extra information of
-                * 'struct virtchnl_queue_pair_ext_info' is needed,
-                * otherwise set the last parameter to NULL.
-                */
-               if (i40e_pf_host_hmc_config_rxq(hw, vf, &vc_qpei[i].rxq,
-                       vc_qpei[i].rxq_ext.crcstrip) != I40E_SUCCESS) {
-                       PMD_DRV_LOG(ERR, "Configure RX queue HMC failed");
-                       ret = I40E_ERR_PARAM;
-                       goto send_msg;
-               }
-
-               /* Apply VF TX queue setting to HMC */
-               if (i40e_pf_host_hmc_config_txq(hw, vf, &vc_qpei[i].txq) !=
-                                                       I40E_SUCCESS) {
-                       PMD_DRV_LOG(ERR, "Configure TX queue HMC failed");
-                       ret = I40E_ERR_PARAM;
-                       goto send_msg;
-               }
-       }
-
-send_msg:
-       i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT,
-                                                               ret, NULL, 0);
-
-       return ret;
-}
-
 static void
 i40e_pf_config_irq_link_list(struct i40e_pf_vf *vf,
                              struct virtchnl_vector_map *vvm)
@@ -714,7 +647,7 @@ i40e_pf_host_process_cmd_config_irq_map(struct i40e_pf_vf *vf,
            (struct virtchnl_irq_map_info *)msg;
        struct virtchnl_vector_map *map;
        int i;
-       uint16_t vector_id;
+       uint16_t vector_id, itr_idx;
        unsigned long qbit_max;
 
        if (!b_op) {
@@ -741,12 +674,13 @@ i40e_pf_host_process_cmd_config_irq_map(struct i40e_pf_vf *vf,
                vf->vsi->msix_intr = irqmap->vecmap[0].vector_id;
                vf->vsi->nb_msix = irqmap->num_vectors;
                vf->vsi->nb_used_qps = vf->vsi->nb_qps;
+               itr_idx = irqmap->vecmap[0].rxitr_idx;
 
                /* Don't care how the TX/RX queue mapping with this vector.
                 * Link all VF RX queues together. Only did mapping work.
                 * VF can disable/enable the intr by itself.
                 */
-               i40e_vsi_queues_bind_intr(vf->vsi);
+               i40e_vsi_queues_bind_intr(vf->vsi, itr_idx);
                goto send_msg;
        }
 
@@ -909,7 +843,7 @@ i40e_pf_host_process_cmd_add_ether_address(struct i40e_pf_vf *vf,
 
        for (i = 0; i < addr_list->num_elements; i++) {
                mac = (struct ether_addr *)(addr_list->list[i].addr);
-               (void)rte_memcpy(&filter.mac_addr, mac, ETHER_ADDR_LEN);
+               rte_memcpy(&filter.mac_addr, mac, ETHER_ADDR_LEN);
                filter.filter_type = RTE_MACVLAN_PERFECT_MATCH;
                if (is_zero_ether_addr(mac) ||
                    i40e_vsi_add_mac(vf->vsi, &filter)) {
@@ -1158,33 +1092,79 @@ i40e_pf_host_process_cmd_disable_vlan_strip(struct i40e_pf_vf *vf, bool b_op)
 }
 
 static int
-i40e_pf_host_process_cmd_cfg_pvid(struct i40e_pf_vf *vf,
-                                       uint8_t *msg,
-                                       uint16_t msglen,
-                                       bool b_op)
+i40e_pf_host_process_cmd_set_rss_lut(struct i40e_pf_vf *vf,
+                                    uint8_t *msg,
+                                    uint16_t msglen,
+                                    bool b_op)
 {
+       struct virtchnl_rss_lut *rss_lut = (struct virtchnl_rss_lut *)msg;
+       uint16_t valid_len;
        int ret = I40E_SUCCESS;
-       struct virtchnl_pvid_info  *tpid_info =
-                       (struct virtchnl_pvid_info *)msg;
 
        if (!b_op) {
                i40e_pf_host_send_msg_to_vf(
                        vf,
-                       I40E_VIRTCHNL_OP_CFG_VLAN_PVID,
+                       VIRTCHNL_OP_CONFIG_RSS_LUT,
                        I40E_NOT_SUPPORTED, NULL, 0);
                return ret;
        }
 
-       if (msg == NULL || msglen != sizeof(*tpid_info)) {
+       if (!msg || msglen <= sizeof(struct virtchnl_rss_lut)) {
+               PMD_DRV_LOG(ERR, "set_rss_lut argument too short");
+               ret = I40E_ERR_PARAM;
+               goto send_msg;
+       }
+       valid_len = sizeof(struct virtchnl_rss_lut) + rss_lut->lut_entries - 1;
+       if (msglen < valid_len) {
+               PMD_DRV_LOG(ERR, "set_rss_lut length mismatch");
+               ret = I40E_ERR_PARAM;
+               goto send_msg;
+       }
+
+       ret = i40e_set_rss_lut(vf->vsi, rss_lut->lut, rss_lut->lut_entries);
+
+send_msg:
+       i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_LUT,
+                                   ret, NULL, 0);
+
+       return ret;
+}
+
+static int
+i40e_pf_host_process_cmd_set_rss_key(struct i40e_pf_vf *vf,
+                                    uint8_t *msg,
+                                    uint16_t msglen,
+                                    bool b_op)
+{
+       struct virtchnl_rss_key *rss_key = (struct virtchnl_rss_key *)msg;
+       uint16_t valid_len;
+       int ret = I40E_SUCCESS;
+
+       if (!b_op) {
+               i40e_pf_host_send_msg_to_vf(
+                       vf,
+                       VIRTCHNL_OP_DEL_VLAN,
+                       VIRTCHNL_OP_CONFIG_RSS_KEY, NULL, 0);
+               return ret;
+       }
+
+       if (!msg || msglen <= sizeof(struct virtchnl_rss_key)) {
+               PMD_DRV_LOG(ERR, "set_rss_key argument too short");
+               ret = I40E_ERR_PARAM;
+               goto send_msg;
+       }
+       valid_len = sizeof(struct virtchnl_rss_key) + rss_key->key_len - 1;
+       if (msglen < valid_len) {
+               PMD_DRV_LOG(ERR, "set_rss_key length mismatch");
                ret = I40E_ERR_PARAM;
                goto send_msg;
        }
 
-       ret = i40e_vsi_vlan_pvid_set(vf->vsi, &tpid_info->info);
+       ret = i40e_set_rss_key(vf->vsi, rss_key->key, rss_key->key_len);
 
 send_msg:
-       i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_CFG_VLAN_PVID,
-                                       ret, NULL, 0);
+       i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_KEY,
+                                   ret, NULL, 0);
 
        return ret;
 }
@@ -1192,7 +1172,10 @@ send_msg:
 void
 i40e_notify_vf_link_status(struct rte_eth_dev *dev, struct i40e_pf_vf *vf)
 {
+       struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
        struct virtchnl_pf_event event;
+       uint16_t vf_id = vf->vf_idx;
+       uint32_t tval, rval;
 
        event.event = VIRTCHNL_EVENT_LINK_CHANGE;
        event.event_data.link_event.link_status =
@@ -1224,8 +1207,15 @@ i40e_notify_vf_link_status(struct rte_eth_dev *dev, struct i40e_pf_vf *vf)
                break;
        }
 
-       i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_EVENT,
-               I40E_SUCCESS, (uint8_t *)&event, sizeof(event));
+       tval = I40E_READ_REG(hw, I40E_VF_ATQLEN(vf_id));
+       rval = I40E_READ_REG(hw, I40E_VF_ARQLEN(vf_id));
+
+       if (tval & I40E_VF_ATQLEN_ATQLEN_MASK ||
+           tval & I40E_VF_ATQLEN_ATQENABLE_MASK ||
+           rval & I40E_VF_ARQLEN_ARQLEN_MASK ||
+           rval & I40E_VF_ARQLEN_ARQENABLE_MASK)
+               i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_EVENT,
+                       I40E_SUCCESS, (uint8_t *)&event, sizeof(event));
 }
 
 void
@@ -1274,8 +1264,7 @@ i40e_pf_host_handle_vf_msg(struct rte_eth_dev *dev,
         * do nothing and send not_supported to VF. As PF must send a response
         * to VF and ACK/NACK is not defined.
         */
-       _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_VF_MBOX,
-                                     NULL, &ret_param);
+       _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_VF_MBOX, &ret_param);
        if (ret_param.retval != RTE_PMD_I40E_MB_EVENT_PROCEED) {
                PMD_DRV_LOG(WARNING, "VF to PF message(%d) is not permitted!",
                            opcode);
@@ -1285,7 +1274,7 @@ i40e_pf_host_handle_vf_msg(struct rte_eth_dev *dev,
        switch (opcode) {
        case VIRTCHNL_OP_VERSION:
                PMD_DRV_LOG(INFO, "OP_VERSION received");
-               i40e_pf_host_process_cmd_version(vf, b_op);
+               i40e_pf_host_process_cmd_version(vf, msg, b_op);
                break;
        case VIRTCHNL_OP_RESET_VF:
                PMD_DRV_LOG(INFO, "OP_RESET_VF received");
@@ -1293,18 +1282,13 @@ i40e_pf_host_handle_vf_msg(struct rte_eth_dev *dev,
                break;
        case VIRTCHNL_OP_GET_VF_RESOURCES:
                PMD_DRV_LOG(INFO, "OP_GET_VF_RESOURCES received");
-               i40e_pf_host_process_cmd_get_vf_resource(vf, b_op);
+               i40e_pf_host_process_cmd_get_vf_resource(vf, msg, b_op);
                break;
        case VIRTCHNL_OP_CONFIG_VSI_QUEUES:
                PMD_DRV_LOG(INFO, "OP_CONFIG_VSI_QUEUES received");
                i40e_pf_host_process_cmd_config_vsi_queues(vf, msg,
                                                           msglen, b_op);
                break;
-       case VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT:
-               PMD_DRV_LOG(INFO, "OP_CONFIG_VSI_QUEUES_EXT received");
-               i40e_pf_host_process_cmd_config_vsi_queues_ext(vf, msg,
-                                                              msglen, b_op);
-               break;
        case VIRTCHNL_OP_CONFIG_IRQ_MAP:
                PMD_DRV_LOG(INFO, "OP_CONFIG_IRQ_MAP received");
                i40e_pf_host_process_cmd_config_irq_map(vf, msg, msglen, b_op);
@@ -1359,9 +1343,13 @@ i40e_pf_host_handle_vf_msg(struct rte_eth_dev *dev,
                PMD_DRV_LOG(INFO, "OP_DISABLE_VLAN_STRIPPING received");
                i40e_pf_host_process_cmd_disable_vlan_strip(vf, b_op);
                break;
-       case I40E_VIRTCHNL_OP_CFG_VLAN_PVID:
-               PMD_DRV_LOG(INFO, "OP_CFG_VLAN_PVID received");
-               i40e_pf_host_process_cmd_cfg_pvid(vf, msg, msglen, b_op);
+       case VIRTCHNL_OP_CONFIG_RSS_LUT:
+               PMD_DRV_LOG(INFO, "OP_CONFIG_RSS_LUT received");
+               i40e_pf_host_process_cmd_set_rss_lut(vf, msg, msglen, b_op);
+               break;
+       case VIRTCHNL_OP_CONFIG_RSS_KEY:
+               PMD_DRV_LOG(INFO, "OP_CONFIG_RSS_KEY received");
+               i40e_pf_host_process_cmd_set_rss_key(vf, msg, msglen, b_op);
                break;
        /* Don't add command supported below, which will
         * return an error code.