New upstream version 18.11-rc1
[deb_dpdk.git] / drivers / net / qede / base / ecore_sriov.c
index b1e26d6..7d73ef9 100644 (file)
@@ -1,9 +1,7 @@
-/*
- * Copyright (c) 2016 QLogic Corporation.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) 2016 - 2018 Cavium Inc.
  * All rights reserved.
- * www.qlogic.com
- *
- * See LICENSE.qede_pmd for copyright and licensing details.
+ * www.cavium.com
  */
 
 #include "bcm_osal.h"
@@ -33,7 +31,7 @@ static enum _ecore_status_t ecore_sriov_eqe_event(struct ecore_hwfn *p_hwfn,
                                                  union event_ring_data *data,
                                                  u8 fw_return_code);
 
-const char *ecore_channel_tlvs_string[] = {
+const char *qede_ecore_channel_tlvs_string[] = {
        "CHANNEL_TLV_NONE",     /* ends tlv sequence */
        "CHANNEL_TLV_ACQUIRE",
        "CHANNEL_TLV_VPORT_START",
@@ -61,6 +59,8 @@ const char *ecore_channel_tlvs_string[] = {
        "CHANNEL_TLV_COALESCE_UPDATE",
        "CHANNEL_TLV_QID",
        "CHANNEL_TLV_COALESCE_READ",
+       "CHANNEL_TLV_BULLETIN_UPDATE_MAC",
+       "CHANNEL_TLV_UPDATE_MTU",
        "CHANNEL_TLV_MAX"
 };
 
@@ -218,7 +218,7 @@ struct ecore_vf_info *ecore_iov_get_vf_info(struct ecore_hwfn *p_hwfn,
 static struct ecore_queue_cid *
 ecore_iov_get_vf_rx_queue_cid(struct ecore_vf_queue *p_queue)
 {
-       int i;
+       u32 i;
 
        for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
                if (p_queue->cids[i].p_cid &&
@@ -240,7 +240,7 @@ static bool ecore_iov_validate_queue_mode(struct ecore_vf_info *p_vf,
                                          enum ecore_iov_validate_q_mode mode,
                                          bool b_is_tx)
 {
-       int i;
+       u32 i;
 
        if (mode == ECORE_IOV_VALIDATE_Q_NA)
                return true;
@@ -590,8 +590,7 @@ enum _ecore_status_t ecore_iov_alloc(struct ecore_hwfn *p_hwfn)
 
        p_sriov = OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL, sizeof(*p_sriov));
        if (!p_sriov) {
-               DP_NOTICE(p_hwfn, true,
-                         "Failed to allocate `struct ecore_sriov'\n");
+               DP_NOTICE(p_hwfn, false, "Failed to allocate `struct ecore_sriov'\n");
                return ECORE_NOMEM;
        }
 
@@ -648,7 +647,7 @@ enum _ecore_status_t ecore_iov_hw_info(struct ecore_hwfn *p_hwfn)
        p_dev->p_iov_info = OSAL_ZALLOC(p_dev, GFP_KERNEL,
                                        sizeof(*p_dev->p_iov_info));
        if (!p_dev->p_iov_info) {
-               DP_NOTICE(p_hwfn, true,
+               DP_NOTICE(p_hwfn, false,
                          "Can't support IOV due to lack of memory\n");
                return ECORE_NOMEM;
        }
@@ -980,10 +979,12 @@ static u8 ecore_iov_alloc_vf_igu_sbs(struct ecore_hwfn *p_hwfn,
                ecore_init_cau_sb_entry(p_hwfn, &sb_entry,
                                        p_hwfn->rel_pf_id,
                                        vf->abs_vf_id, 1);
+
                ecore_dmae_host2grc(p_hwfn, p_ptt,
                                    (u64)(osal_uintptr_t)&sb_entry,
                                    CAU_REG_SB_VAR_MEMORY +
-                                   p_block->igu_sb_id * sizeof(u64), 2, 0);
+                                   p_block->igu_sb_id * sizeof(u64), 2,
+                                   OSAL_NULL /* default parameters */);
        }
 
        vf->num_sbs = (u8)num_rx_queues;
@@ -1279,7 +1280,7 @@ static void ecore_iov_lock_vf_pf_channel(struct ecore_hwfn *p_hwfn,
                           ECORE_MSG_IOV,
                           "VF[%d]: vf pf channel locked by %s\n",
                           vf->abs_vf_id,
-                          ecore_channel_tlvs_string[tlv]);
+                          qede_ecore_channel_tlvs_string[tlv]);
        else
                DP_VERBOSE(p_hwfn,
                           ECORE_MSG_IOV,
@@ -1297,7 +1298,7 @@ static void ecore_iov_unlock_vf_pf_channel(struct ecore_hwfn *p_hwfn,
                           ECORE_MSG_IOV,
                           "VF[%d]: vf pf channel unlocked by %s\n",
                           vf->abs_vf_id,
-                          ecore_channel_tlvs_string[expected_tlv]);
+                          qede_ecore_channel_tlvs_string[expected_tlv]);
        else
                DP_VERBOSE(p_hwfn,
                           ECORE_MSG_IOV,
@@ -1337,7 +1338,7 @@ void ecore_dp_tlv_list(struct ecore_hwfn *p_hwfn, void *tlvs_list)
                if (ecore_iov_tlv_supported(tlv->type))
                        DP_VERBOSE(p_hwfn, ECORE_MSG_IOV,
                                   "TLV number %d: type %s, length %d\n",
-                                  i, ecore_channel_tlvs_string[tlv->type],
+                                  i, qede_ecore_channel_tlvs_string[tlv->type],
                                   tlv->length);
                else
                        DP_VERBOSE(p_hwfn, ECORE_MSG_IOV,
@@ -1968,7 +1969,9 @@ ecore_iov_configure_vport_forced(struct ecore_hwfn *p_hwfn,
        if (!p_vf->vport_instance)
                return ECORE_INVAL;
 
-       if (events & (1 << MAC_ADDR_FORCED)) {
+       if ((events & (1 << MAC_ADDR_FORCED)) ||
+           p_hwfn->pf_params.eth_pf_params.allow_vf_mac_change ||
+           p_vf->p_vf_info.is_trusted_configured) {
                /* Since there's no way [currently] of removing the MAC,
                 * we can always assume this means we need to force it.
                 */
@@ -1989,7 +1992,12 @@ ecore_iov_configure_vport_forced(struct ecore_hwfn *p_hwfn,
                        return rc;
                }
 
-               p_vf->configured_features |= 1 << MAC_ADDR_FORCED;
+               if (p_hwfn->pf_params.eth_pf_params.allow_vf_mac_change ||
+                   p_vf->p_vf_info.is_trusted_configured)
+                       p_vf->configured_features |=
+                               1 << VFPF_BULLETIN_MAC_ADDR;
+               else
+                       p_vf->configured_features |= 1 << MAC_ADDR_FORCED;
        }
 
        if (events & (1 << VLAN_ADDR_FORCED)) {
@@ -2081,8 +2089,8 @@ static void ecore_iov_vf_mbx_start_vport(struct ecore_hwfn *p_hwfn,
                                         struct ecore_ptt *p_ptt,
                                         struct ecore_vf_info *vf)
 {
-       struct ecore_sp_vport_start_params params = { 0 };
        struct ecore_iov_vf_mbx *mbx = &vf->vf_mbx;
+       struct ecore_sp_vport_start_params params;
        struct vfpf_vport_start_tlv *start;
        u8 status = PFVF_STATUS_SUCCESS;
        struct ecore_vf_info *vf_info;
@@ -2133,6 +2141,7 @@ static void ecore_iov_vf_mbx_start_vport(struct ecore_hwfn *p_hwfn,
                *p_bitmap |= 1 << VFPF_BULLETIN_UNTAGGED_DEFAULT;
        }
 
+       OSAL_MEMSET(&params, 0, sizeof(struct ecore_sp_vport_start_params));
        params.tpa_mode = start->tpa_mode;
        params.remove_inner_vlan = start->inner_vlan_removal;
        params.tx_switching = true;
@@ -2152,7 +2161,9 @@ static void ecore_iov_vf_mbx_start_vport(struct ecore_hwfn *p_hwfn,
        params.vport_id = vf->vport_id;
        params.max_buffers_per_cqe = start->max_buffers_per_cqe;
        params.mtu = vf->mtu;
-       params.check_mac = true;
+
+       /* Non trusted VFs should enable control frame filtering */
+       params.check_mac = !vf->p_vf_info.is_trusted_configured;
 
        rc = ecore_sp_eth_vport_start(p_hwfn, &params);
        if (rc != ECORE_SUCCESS) {
@@ -2854,6 +2865,45 @@ out:
                               length, status);
 }
 
+static enum _ecore_status_t
+ecore_iov_vf_pf_update_mtu(struct ecore_hwfn *p_hwfn,
+                                   struct ecore_ptt *p_ptt,
+                                   struct ecore_vf_info *p_vf)
+{
+       struct ecore_iov_vf_mbx *mbx = &p_vf->vf_mbx;
+       struct ecore_sp_vport_update_params params;
+       enum _ecore_status_t rc = ECORE_SUCCESS;
+       struct vfpf_update_mtu_tlv *p_req;
+       u8 status = PFVF_STATUS_SUCCESS;
+
+       /* Valiate PF can send such a request */
+       if (!p_vf->vport_instance) {
+               DP_VERBOSE(p_hwfn, ECORE_MSG_IOV,
+                          "No VPORT instance available for VF[%d], failing MTU update\n",
+                          p_vf->abs_vf_id);
+               status = PFVF_STATUS_FAILURE;
+               goto send_status;
+       }
+
+       p_req = &mbx->req_virt->update_mtu;
+
+       OSAL_MEMSET(&params, 0, sizeof(params));
+       params.opaque_fid =  p_vf->opaque_fid;
+       params.vport_id = p_vf->vport_id;
+       params.mtu = p_req->mtu;
+       rc = ecore_sp_vport_update(p_hwfn, &params, ECORE_SPQ_MODE_EBLOCK,
+                                  OSAL_NULL);
+
+       if (rc)
+               status = PFVF_STATUS_FAILURE;
+send_status:
+       ecore_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
+                              CHANNEL_TLV_UPDATE_MTU,
+                              sizeof(struct pfvf_def_resp_tlv),
+                              status);
+       return rc;
+}
+
 void *ecore_iov_search_list_tlvs(struct ecore_hwfn *p_hwfn,
                                 void *p_tlvs_list, u16 req_type)
 {
@@ -2869,7 +2919,7 @@ void *ecore_iov_search_list_tlvs(struct ecore_hwfn *p_hwfn,
                if (p_tlv->type == req_type) {
                        DP_VERBOSE(p_hwfn, ECORE_MSG_IOV,
                                   "Extended tlv type %s, length %d found\n",
-                                  ecore_channel_tlvs_string[p_tlv->type],
+                                  qede_ecore_channel_tlvs_string[p_tlv->type],
                                   p_tlv->length);
                        return p_tlv;
                }
@@ -2975,8 +3025,7 @@ ecore_iov_vp_update_mcast_bin_param(struct ecore_hwfn *p_hwfn,
 
        p_data->update_approx_mcast_flg = 1;
        OSAL_MEMCPY(p_data->bins, p_mcast_tlv->bins,
-                   sizeof(unsigned long) *
-                   ETH_MULTICAST_MAC_BINS_IN_REGS);
+                   sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
        *tlvs_mask |= 1 << ECORE_IOV_VP_UPDATE_MCAST;
 }
 
@@ -3309,6 +3358,15 @@ ecore_iov_vf_update_mac_shadow(struct ecore_hwfn *p_hwfn,
        if (p_vf->bulletin.p_virt->valid_bitmap & (1 << MAC_ADDR_FORCED))
                return ECORE_SUCCESS;
 
+       /* Since we don't have the implementation of the logic for removing
+        * a forced MAC and restoring shadow MAC, let's not worry about
+        * processing shadow copies of MAC as long as VF trust mode is ON,
+        * to keep things simple.
+        */
+       if (p_hwfn->pf_params.eth_pf_params.allow_vf_mac_change ||
+           p_vf->p_vf_info.is_trusted_configured)
+               return ECORE_SUCCESS;
+
        /* First remove entries and then add new ones */
        if (p_params->opcode == ECORE_FILTER_REMOVE) {
                for (i = 0; i < ECORE_ETH_VF_NUM_MAC_FILTERS; i++) {
@@ -3611,7 +3669,7 @@ static void ecore_iov_vf_pf_set_coalesce(struct ecore_hwfn *p_hwfn,
        struct ecore_queue_cid *p_cid;
        u16 rx_coal, tx_coal;
        u16 qid;
-       int i;
+       u32 i;
 
        req = &mbx->req_virt->update_coalesce;
 
@@ -3691,7 +3749,8 @@ ecore_iov_pf_configure_vf_queue_coalesce(struct ecore_hwfn *p_hwfn,
        struct ecore_queue_cid *p_cid;
        struct ecore_vf_info *vf;
        struct ecore_ptt *p_ptt;
-       int i, rc = 0;
+       int rc = 0;
+       u32 i;
 
        if (!ecore_iov_is_valid_vfid(p_hwfn, vf_id, true, true)) {
                DP_NOTICE(p_hwfn, true,
@@ -4137,6 +4196,9 @@ void ecore_iov_process_mbx_req(struct ecore_hwfn *p_hwfn,
                case CHANNEL_TLV_COALESCE_READ:
                        ecore_iov_vf_pf_get_coalesce(p_hwfn, p_ptt, p_vf);
                        break;
+               case CHANNEL_TLV_UPDATE_MTU:
+                       ecore_iov_vf_pf_update_mtu(p_hwfn, p_ptt, p_vf);
+                       break;
                }
        } else if (ecore_iov_tlv_supported(mbx->first_tlv.tl.type)) {
                /* If we've received a message from a VF we consider malicious
@@ -4370,13 +4432,23 @@ void ecore_iov_bulletin_set_forced_mac(struct ecore_hwfn *p_hwfn,
                return;
        }
 
-       feature = 1 << MAC_ADDR_FORCED;
-       OSAL_MEMCPY(vf_info->bulletin.p_virt->mac, mac, ETH_ALEN);
+       if (p_hwfn->pf_params.eth_pf_params.allow_vf_mac_change ||
+           vf_info->p_vf_info.is_trusted_configured) {
+               feature = 1 << VFPF_BULLETIN_MAC_ADDR;
+               /* Trust mode will disable Forced MAC */
+               vf_info->bulletin.p_virt->valid_bitmap &=
+                       ~(1 << MAC_ADDR_FORCED);
+       } else {
+               feature = 1 << MAC_ADDR_FORCED;
+               /* Forced MAC will disable MAC_ADDR */
+               vf_info->bulletin.p_virt->valid_bitmap &=
+                       ~(1 << VFPF_BULLETIN_MAC_ADDR);
+       }
+
+       OSAL_MEMCPY(vf_info->bulletin.p_virt->mac,
+                   mac, ETH_ALEN);
 
        vf_info->bulletin.p_virt->valid_bitmap |= feature;
-       /* Forced MAC will disable MAC_ADDR */
-       vf_info->bulletin.p_virt->valid_bitmap &=
-           ~(1 << VFPF_BULLETIN_MAC_ADDR);
 
        ecore_iov_configure_vport_forced(p_hwfn, vf_info, feature);
 }
@@ -4411,9 +4483,14 @@ enum _ecore_status_t ecore_iov_bulletin_set_mac(struct ecore_hwfn *p_hwfn,
 
        vf_info->bulletin.p_virt->valid_bitmap |= feature;
 
+       if (p_hwfn->pf_params.eth_pf_params.allow_vf_mac_change ||
+           vf_info->p_vf_info.is_trusted_configured)
+               ecore_iov_configure_vport_forced(p_hwfn, vf_info, feature);
+
        return ECORE_SUCCESS;
 }
 
+#ifndef LINUX_REMOVE
 enum _ecore_status_t
 ecore_iov_bulletin_set_forced_untagged_default(struct ecore_hwfn *p_hwfn,
                                               bool b_untagged_only, int vfid)
@@ -4470,6 +4547,7 @@ void ecore_iov_get_vfs_opaque_fid(struct ecore_hwfn *p_hwfn, int vfid,
 
        *opaque_fid = vf_info->opaque_fid;
 }
+#endif
 
 void ecore_iov_bulletin_set_forced_vlan(struct ecore_hwfn *p_hwfn,
                                        u16 pvid, int vfid)
@@ -4657,6 +4735,22 @@ u32 ecore_iov_pfvf_msg_length(void)
        return sizeof(union pfvf_tlvs);
 }
 
+u8 *ecore_iov_bulletin_get_mac(struct ecore_hwfn *p_hwfn,
+                                     u16 rel_vf_id)
+{
+       struct ecore_vf_info *p_vf;
+
+       p_vf = ecore_iov_get_vf_info(p_hwfn, rel_vf_id, true);
+       if (!p_vf || !p_vf->bulletin.p_virt)
+               return OSAL_NULL;
+
+       if (!(p_vf->bulletin.p_virt->valid_bitmap &
+               (1 << VFPF_BULLETIN_MAC_ADDR)))
+               return OSAL_NULL;
+
+       return p_vf->bulletin.p_virt->mac;
+}
+
 u8 *ecore_iov_bulletin_get_forced_mac(struct ecore_hwfn *p_hwfn, u16 rel_vf_id)
 {
        struct ecore_vf_info *p_vf;
@@ -4710,6 +4804,32 @@ enum _ecore_status_t ecore_iov_configure_tx_rate(struct ecore_hwfn *p_hwfn,
                                   p_link->speed);
 }
 
+enum _ecore_status_t ecore_iov_configure_min_tx_rate(struct ecore_dev *p_dev,
+                                                    int vfid, u32 rate)
+{
+       struct ecore_vf_info *vf;
+       int i;
+
+       for_each_hwfn(p_dev, i) {
+               struct ecore_hwfn *p_hwfn = &p_dev->hwfns[i];
+
+               if (!ecore_iov_pf_sanity_check(p_hwfn, vfid)) {
+                       DP_NOTICE(p_hwfn, true,
+                                 "SR-IOV sanity check failed, can't set min rate\n");
+                       return ECORE_INVAL;
+               }
+       }
+
+       vf = ecore_iov_get_vf_info(ECORE_LEADING_HWFN(p_dev), (u16)vfid, true);
+       if (!vf) {
+               DP_NOTICE(p_dev, true,
+                         "Getting vf info failed, can't set min rate\n");
+               return ECORE_INVAL;
+       }
+
+       return ecore_configure_vport_wfq(p_dev, vf->vport_id, rate);
+}
+
 enum _ecore_status_t ecore_iov_get_vf_stats(struct ecore_hwfn *p_hwfn,
                                            struct ecore_ptt *p_ptt,
                                            int vfid,
@@ -4820,7 +4940,7 @@ bool ecore_iov_is_vf_started(struct ecore_hwfn *p_hwfn,
        return (p_vf->state != VF_FREE && p_vf->state != VF_STOPPED);
 }
 
-enum _ecore_status_t
+int
 ecore_iov_get_vf_min_rate(struct ecore_hwfn *p_hwfn, int vfid)
 {
        struct ecore_wfq_data *vf_vp_wfq;