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- /*******************************************************************************
- *
- * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver
- * Copyright(c) 2013 - 2014 Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope 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.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- * The full GNU General Public License is included in this distribution in
- * the file called "COPYING".
- *
- * Contact Information:
- * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
- * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
- *
- ******************************************************************************/
- #include "i40evf.h"
- #include "i40e_prototype.h"
- /* busy wait delay in msec */
- #define I40EVF_BUSY_WAIT_DELAY 10
- #define I40EVF_BUSY_WAIT_COUNT 50
- /**
- * i40evf_send_pf_msg
- * @adapter: adapter structure
- * @op: virtual channel opcode
- * @msg: pointer to message buffer
- * @len: message length
- *
- * Send message to PF and print status if failure.
- **/
- static int i40evf_send_pf_msg(struct i40evf_adapter *adapter,
- enum i40e_virtchnl_ops op, u8 *msg, u16 len)
- {
- struct i40e_hw *hw = &adapter->hw;
- i40e_status err;
- if (adapter->flags & I40EVF_FLAG_PF_COMMS_FAILED)
- return 0; /* nothing to see here, move along */
- err = i40e_aq_send_msg_to_pf(hw, op, 0, msg, len, NULL);
- if (err)
- dev_err(&adapter->pdev->dev, "Unable to send opcode %d to PF, err %s, aq_err %s\n",
- op, i40evf_stat_str(hw, err),
- i40evf_aq_str(hw, hw->aq.asq_last_status));
- return err;
- }
- /**
- * i40evf_send_api_ver
- * @adapter: adapter structure
- *
- * Send API version admin queue message to the PF. The reply is not checked
- * in this function. Returns 0 if the message was successfully
- * sent, or one of the I40E_ADMIN_QUEUE_ERROR_ statuses if not.
- **/
- int i40evf_send_api_ver(struct i40evf_adapter *adapter)
- {
- struct i40e_virtchnl_version_info vvi;
- vvi.major = I40E_VIRTCHNL_VERSION_MAJOR;
- vvi.minor = I40E_VIRTCHNL_VERSION_MINOR;
- return i40evf_send_pf_msg(adapter, I40E_VIRTCHNL_OP_VERSION, (u8 *)&vvi,
- sizeof(vvi));
- }
- /**
- * i40evf_verify_api_ver
- * @adapter: adapter structure
- *
- * Compare API versions with the PF. Must be called after admin queue is
- * initialized. Returns 0 if API versions match, -EIO if they do not,
- * I40E_ERR_ADMIN_QUEUE_NO_WORK if the admin queue is empty, and any errors
- * from the firmware are propagated.
- **/
- int i40evf_verify_api_ver(struct i40evf_adapter *adapter)
- {
- struct i40e_virtchnl_version_info *pf_vvi;
- struct i40e_hw *hw = &adapter->hw;
- struct i40e_arq_event_info event;
- enum i40e_virtchnl_ops op;
- i40e_status err;
- event.buf_len = I40EVF_MAX_AQ_BUF_SIZE;
- event.msg_buf = kzalloc(event.buf_len, GFP_KERNEL);
- if (!event.msg_buf) {
- err = -ENOMEM;
- goto out;
- }
- while (1) {
- err = i40evf_clean_arq_element(hw, &event, NULL);
- /* When the AQ is empty, i40evf_clean_arq_element will return
- * nonzero and this loop will terminate.
- */
- if (err)
- goto out_alloc;
- op =
- (enum i40e_virtchnl_ops)le32_to_cpu(event.desc.cookie_high);
- if (op == I40E_VIRTCHNL_OP_VERSION)
- break;
- }
- err = (i40e_status)le32_to_cpu(event.desc.cookie_low);
- if (err)
- goto out_alloc;
- if (op != I40E_VIRTCHNL_OP_VERSION) {
- dev_info(&adapter->pdev->dev, "Invalid reply type %d from PF\n",
- op);
- err = -EIO;
- goto out_alloc;
- }
- pf_vvi = (struct i40e_virtchnl_version_info *)event.msg_buf;
- adapter->pf_version = *pf_vvi;
- if ((pf_vvi->major > I40E_VIRTCHNL_VERSION_MAJOR) ||
- ((pf_vvi->major == I40E_VIRTCHNL_VERSION_MAJOR) &&
- (pf_vvi->minor > I40E_VIRTCHNL_VERSION_MINOR)))
- err = -EIO;
- out_alloc:
- kfree(event.msg_buf);
- out:
- return err;
- }
- /**
- * i40evf_send_vf_config_msg
- * @adapter: adapter structure
- *
- * Send VF configuration request admin queue message to the PF. The reply
- * is not checked in this function. Returns 0 if the message was
- * successfully sent, or one of the I40E_ADMIN_QUEUE_ERROR_ statuses if not.
- **/
- int i40evf_send_vf_config_msg(struct i40evf_adapter *adapter)
- {
- u32 caps;
- adapter->current_op = I40E_VIRTCHNL_OP_GET_VF_RESOURCES;
- adapter->aq_required &= ~I40EVF_FLAG_AQ_GET_CONFIG;
- caps = I40E_VIRTCHNL_VF_OFFLOAD_L2 |
- I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ |
- I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG |
- I40E_VIRTCHNL_VF_OFFLOAD_VLAN |
- I40E_VIRTCHNL_VF_OFFLOAD_WB_ON_ITR;
- adapter->current_op = I40E_VIRTCHNL_OP_GET_VF_RESOURCES;
- adapter->aq_required &= ~I40EVF_FLAG_AQ_GET_CONFIG;
- if (PF_IS_V11(adapter))
- return i40evf_send_pf_msg(adapter,
- I40E_VIRTCHNL_OP_GET_VF_RESOURCES,
- (u8 *)&caps, sizeof(caps));
- else
- return i40evf_send_pf_msg(adapter,
- I40E_VIRTCHNL_OP_GET_VF_RESOURCES,
- NULL, 0);
- }
- /**
- * i40evf_get_vf_config
- * @hw: pointer to the hardware structure
- * @len: length of buffer
- *
- * Get VF configuration from PF and populate hw structure. Must be called after
- * admin queue is initialized. Busy waits until response is received from PF,
- * with maximum timeout. Response from PF is returned in the buffer for further
- * processing by the caller.
- **/
- int i40evf_get_vf_config(struct i40evf_adapter *adapter)
- {
- struct i40e_hw *hw = &adapter->hw;
- struct i40e_arq_event_info event;
- enum i40e_virtchnl_ops op;
- i40e_status err;
- u16 len;
- len = sizeof(struct i40e_virtchnl_vf_resource) +
- I40E_MAX_VF_VSI * sizeof(struct i40e_virtchnl_vsi_resource);
- event.buf_len = len;
- event.msg_buf = kzalloc(event.buf_len, GFP_KERNEL);
- if (!event.msg_buf) {
- err = -ENOMEM;
- goto out;
- }
- while (1) {
- /* When the AQ is empty, i40evf_clean_arq_element will return
- * nonzero and this loop will terminate.
- */
- err = i40evf_clean_arq_element(hw, &event, NULL);
- if (err)
- goto out_alloc;
- op =
- (enum i40e_virtchnl_ops)le32_to_cpu(event.desc.cookie_high);
- if (op == I40E_VIRTCHNL_OP_GET_VF_RESOURCES)
- break;
- }
- err = (i40e_status)le32_to_cpu(event.desc.cookie_low);
- memcpy(adapter->vf_res, event.msg_buf, min(event.msg_len, len));
- i40e_vf_parse_hw_config(hw, adapter->vf_res);
- out_alloc:
- kfree(event.msg_buf);
- out:
- return err;
- }
- /**
- * i40evf_configure_queues
- * @adapter: adapter structure
- *
- * Request that the PF set up our (previously allocated) queues.
- **/
- void i40evf_configure_queues(struct i40evf_adapter *adapter)
- {
- struct i40e_virtchnl_vsi_queue_config_info *vqci;
- struct i40e_virtchnl_queue_pair_info *vqpi;
- int pairs = adapter->num_active_queues;
- int i, len;
- if (adapter->current_op != I40E_VIRTCHNL_OP_UNKNOWN) {
- /* bail because we already have a command pending */
- dev_err(&adapter->pdev->dev, "Cannot configure queues, command %d pending\n",
- adapter->current_op);
- return;
- }
- adapter->current_op = I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES;
- len = sizeof(struct i40e_virtchnl_vsi_queue_config_info) +
- (sizeof(struct i40e_virtchnl_queue_pair_info) * pairs);
- vqci = kzalloc(len, GFP_ATOMIC);
- if (!vqci)
- return;
- vqci->vsi_id = adapter->vsi_res->vsi_id;
- vqci->num_queue_pairs = pairs;
- vqpi = vqci->qpair;
- /* Size check is not needed here - HW max is 16 queue pairs, and we
- * can fit info for 31 of them into the AQ buffer before it overflows.
- */
- for (i = 0; i < pairs; i++) {
- vqpi->txq.vsi_id = vqci->vsi_id;
- vqpi->txq.queue_id = i;
- vqpi->txq.ring_len = adapter->tx_rings[i]->count;
- vqpi->txq.dma_ring_addr = adapter->tx_rings[i]->dma;
- vqpi->txq.headwb_enabled = 1;
- vqpi->txq.dma_headwb_addr = vqpi->txq.dma_ring_addr +
- (vqpi->txq.ring_len * sizeof(struct i40e_tx_desc));
- vqpi->rxq.vsi_id = vqci->vsi_id;
- vqpi->rxq.queue_id = i;
- vqpi->rxq.ring_len = adapter->rx_rings[i]->count;
- vqpi->rxq.dma_ring_addr = adapter->rx_rings[i]->dma;
- vqpi->rxq.max_pkt_size = adapter->netdev->mtu
- + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN;
- vqpi->rxq.databuffer_size = adapter->rx_rings[i]->rx_buf_len;
- vqpi++;
- }
- adapter->aq_required &= ~I40EVF_FLAG_AQ_CONFIGURE_QUEUES;
- i40evf_send_pf_msg(adapter, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES,
- (u8 *)vqci, len);
- kfree(vqci);
- }
- /**
- * i40evf_enable_queues
- * @adapter: adapter structure
- *
- * Request that the PF enable all of our queues.
- **/
- void i40evf_enable_queues(struct i40evf_adapter *adapter)
- {
- struct i40e_virtchnl_queue_select vqs;
- if (adapter->current_op != I40E_VIRTCHNL_OP_UNKNOWN) {
- /* bail because we already have a command pending */
- dev_err(&adapter->pdev->dev, "Cannot enable queues, command %d pending\n",
- adapter->current_op);
- return;
- }
- adapter->current_op = I40E_VIRTCHNL_OP_ENABLE_QUEUES;
- vqs.vsi_id = adapter->vsi_res->vsi_id;
- vqs.tx_queues = BIT(adapter->num_active_queues) - 1;
- vqs.rx_queues = vqs.tx_queues;
- adapter->aq_required &= ~I40EVF_FLAG_AQ_ENABLE_QUEUES;
- i40evf_send_pf_msg(adapter, I40E_VIRTCHNL_OP_ENABLE_QUEUES,
- (u8 *)&vqs, sizeof(vqs));
- }
- /**
- * i40evf_disable_queues
- * @adapter: adapter structure
- *
- * Request that the PF disable all of our queues.
- **/
- void i40evf_disable_queues(struct i40evf_adapter *adapter)
- {
- struct i40e_virtchnl_queue_select vqs;
- if (adapter->current_op != I40E_VIRTCHNL_OP_UNKNOWN) {
- /* bail because we already have a command pending */
- dev_err(&adapter->pdev->dev, "Cannot disable queues, command %d pending\n",
- adapter->current_op);
- return;
- }
- adapter->current_op = I40E_VIRTCHNL_OP_DISABLE_QUEUES;
- vqs.vsi_id = adapter->vsi_res->vsi_id;
- vqs.tx_queues = BIT(adapter->num_active_queues) - 1;
- vqs.rx_queues = vqs.tx_queues;
- adapter->aq_required &= ~I40EVF_FLAG_AQ_DISABLE_QUEUES;
- i40evf_send_pf_msg(adapter, I40E_VIRTCHNL_OP_DISABLE_QUEUES,
- (u8 *)&vqs, sizeof(vqs));
- }
- /**
- * i40evf_map_queues
- * @adapter: adapter structure
- *
- * Request that the PF map queues to interrupt vectors. Misc causes, including
- * admin queue, are always mapped to vector 0.
- **/
- void i40evf_map_queues(struct i40evf_adapter *adapter)
- {
- struct i40e_virtchnl_irq_map_info *vimi;
- int v_idx, q_vectors, len;
- struct i40e_q_vector *q_vector;
- if (adapter->current_op != I40E_VIRTCHNL_OP_UNKNOWN) {
- /* bail because we already have a command pending */
- dev_err(&adapter->pdev->dev, "Cannot map queues to vectors, command %d pending\n",
- adapter->current_op);
- return;
- }
- adapter->current_op = I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP;
- q_vectors = adapter->num_msix_vectors - NONQ_VECS;
- len = sizeof(struct i40e_virtchnl_irq_map_info) +
- (adapter->num_msix_vectors *
- sizeof(struct i40e_virtchnl_vector_map));
- vimi = kzalloc(len, GFP_ATOMIC);
- if (!vimi)
- return;
- vimi->num_vectors = adapter->num_msix_vectors;
- /* Queue vectors first */
- for (v_idx = 0; v_idx < q_vectors; v_idx++) {
- q_vector = adapter->q_vector[v_idx];
- vimi->vecmap[v_idx].vsi_id = adapter->vsi_res->vsi_id;
- vimi->vecmap[v_idx].vector_id = v_idx + NONQ_VECS;
- vimi->vecmap[v_idx].txq_map = q_vector->ring_mask;
- vimi->vecmap[v_idx].rxq_map = q_vector->ring_mask;
- }
- /* Misc vector last - this is only for AdminQ messages */
- vimi->vecmap[v_idx].vsi_id = adapter->vsi_res->vsi_id;
- vimi->vecmap[v_idx].vector_id = 0;
- vimi->vecmap[v_idx].txq_map = 0;
- vimi->vecmap[v_idx].rxq_map = 0;
- adapter->aq_required &= ~I40EVF_FLAG_AQ_MAP_VECTORS;
- i40evf_send_pf_msg(adapter, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP,
- (u8 *)vimi, len);
- kfree(vimi);
- }
- /**
- * i40evf_add_ether_addrs
- * @adapter: adapter structure
- * @addrs: the MAC address filters to add (contiguous)
- * @count: number of filters
- *
- * Request that the PF add one or more addresses to our filters.
- **/
- void i40evf_add_ether_addrs(struct i40evf_adapter *adapter)
- {
- struct i40e_virtchnl_ether_addr_list *veal;
- int len, i = 0, count = 0;
- struct i40evf_mac_filter *f;
- bool more = false;
- if (adapter->current_op != I40E_VIRTCHNL_OP_UNKNOWN) {
- /* bail because we already have a command pending */
- dev_err(&adapter->pdev->dev, "Cannot add filters, command %d pending\n",
- adapter->current_op);
- return;
- }
- list_for_each_entry(f, &adapter->mac_filter_list, list) {
- if (f->add)
- count++;
- }
- if (!count) {
- adapter->aq_required &= ~I40EVF_FLAG_AQ_ADD_MAC_FILTER;
- return;
- }
- adapter->current_op = I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS;
- len = sizeof(struct i40e_virtchnl_ether_addr_list) +
- (count * sizeof(struct i40e_virtchnl_ether_addr));
- if (len > I40EVF_MAX_AQ_BUF_SIZE) {
- dev_warn(&adapter->pdev->dev, "Too many add MAC changes in one request\n");
- count = (I40EVF_MAX_AQ_BUF_SIZE -
- sizeof(struct i40e_virtchnl_ether_addr_list)) /
- sizeof(struct i40e_virtchnl_ether_addr);
- len = sizeof(struct i40e_virtchnl_ether_addr_list) +
- (count * sizeof(struct i40e_virtchnl_ether_addr));
- more = true;
- }
- veal = kzalloc(len, GFP_ATOMIC);
- if (!veal)
- return;
- veal->vsi_id = adapter->vsi_res->vsi_id;
- veal->num_elements = count;
- list_for_each_entry(f, &adapter->mac_filter_list, list) {
- if (f->add) {
- ether_addr_copy(veal->list[i].addr, f->macaddr);
- i++;
- f->add = false;
- }
- }
- if (!more)
- adapter->aq_required &= ~I40EVF_FLAG_AQ_ADD_MAC_FILTER;
- i40evf_send_pf_msg(adapter, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS,
- (u8 *)veal, len);
- kfree(veal);
- }
- /**
- * i40evf_del_ether_addrs
- * @adapter: adapter structure
- * @addrs: the MAC address filters to remove (contiguous)
- * @count: number of filtes
- *
- * Request that the PF remove one or more addresses from our filters.
- **/
- void i40evf_del_ether_addrs(struct i40evf_adapter *adapter)
- {
- struct i40e_virtchnl_ether_addr_list *veal;
- struct i40evf_mac_filter *f, *ftmp;
- int len, i = 0, count = 0;
- bool more = false;
- if (adapter->current_op != I40E_VIRTCHNL_OP_UNKNOWN) {
- /* bail because we already have a command pending */
- dev_err(&adapter->pdev->dev, "Cannot remove filters, command %d pending\n",
- adapter->current_op);
- return;
- }
- list_for_each_entry(f, &adapter->mac_filter_list, list) {
- if (f->remove)
- count++;
- }
- if (!count) {
- adapter->aq_required &= ~I40EVF_FLAG_AQ_DEL_MAC_FILTER;
- return;
- }
- adapter->current_op = I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS;
- len = sizeof(struct i40e_virtchnl_ether_addr_list) +
- (count * sizeof(struct i40e_virtchnl_ether_addr));
- if (len > I40EVF_MAX_AQ_BUF_SIZE) {
- dev_warn(&adapter->pdev->dev, "Too many delete MAC changes in one request\n");
- count = (I40EVF_MAX_AQ_BUF_SIZE -
- sizeof(struct i40e_virtchnl_ether_addr_list)) /
- sizeof(struct i40e_virtchnl_ether_addr);
- len = sizeof(struct i40e_virtchnl_ether_addr_list) +
- (count * sizeof(struct i40e_virtchnl_ether_addr));
- more = true;
- }
- veal = kzalloc(len, GFP_ATOMIC);
- if (!veal)
- return;
- veal->vsi_id = adapter->vsi_res->vsi_id;
- veal->num_elements = count;
- list_for_each_entry_safe(f, ftmp, &adapter->mac_filter_list, list) {
- if (f->remove) {
- ether_addr_copy(veal->list[i].addr, f->macaddr);
- i++;
- list_del(&f->list);
- kfree(f);
- }
- }
- if (!more)
- adapter->aq_required &= ~I40EVF_FLAG_AQ_DEL_MAC_FILTER;
- i40evf_send_pf_msg(adapter, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS,
- (u8 *)veal, len);
- kfree(veal);
- }
- /**
- * i40evf_add_vlans
- * @adapter: adapter structure
- * @vlans: the VLANs to add
- * @count: number of VLANs
- *
- * Request that the PF add one or more VLAN filters to our VSI.
- **/
- void i40evf_add_vlans(struct i40evf_adapter *adapter)
- {
- struct i40e_virtchnl_vlan_filter_list *vvfl;
- int len, i = 0, count = 0;
- struct i40evf_vlan_filter *f;
- bool more = false;
- if (adapter->current_op != I40E_VIRTCHNL_OP_UNKNOWN) {
- /* bail because we already have a command pending */
- dev_err(&adapter->pdev->dev, "Cannot add VLANs, command %d pending\n",
- adapter->current_op);
- return;
- }
- list_for_each_entry(f, &adapter->vlan_filter_list, list) {
- if (f->add)
- count++;
- }
- if (!count) {
- adapter->aq_required &= ~I40EVF_FLAG_AQ_ADD_VLAN_FILTER;
- return;
- }
- adapter->current_op = I40E_VIRTCHNL_OP_ADD_VLAN;
- len = sizeof(struct i40e_virtchnl_vlan_filter_list) +
- (count * sizeof(u16));
- if (len > I40EVF_MAX_AQ_BUF_SIZE) {
- dev_warn(&adapter->pdev->dev, "Too many add VLAN changes in one request\n");
- count = (I40EVF_MAX_AQ_BUF_SIZE -
- sizeof(struct i40e_virtchnl_vlan_filter_list)) /
- sizeof(u16);
- len = sizeof(struct i40e_virtchnl_vlan_filter_list) +
- (count * sizeof(u16));
- more = true;
- }
- vvfl = kzalloc(len, GFP_ATOMIC);
- if (!vvfl)
- return;
- vvfl->vsi_id = adapter->vsi_res->vsi_id;
- vvfl->num_elements = count;
- list_for_each_entry(f, &adapter->vlan_filter_list, list) {
- if (f->add) {
- vvfl->vlan_id[i] = f->vlan;
- i++;
- f->add = false;
- }
- }
- if (!more)
- adapter->aq_required &= ~I40EVF_FLAG_AQ_ADD_VLAN_FILTER;
- i40evf_send_pf_msg(adapter, I40E_VIRTCHNL_OP_ADD_VLAN, (u8 *)vvfl, len);
- kfree(vvfl);
- }
- /**
- * i40evf_del_vlans
- * @adapter: adapter structure
- * @vlans: the VLANs to remove
- * @count: number of VLANs
- *
- * Request that the PF remove one or more VLAN filters from our VSI.
- **/
- void i40evf_del_vlans(struct i40evf_adapter *adapter)
- {
- struct i40e_virtchnl_vlan_filter_list *vvfl;
- struct i40evf_vlan_filter *f, *ftmp;
- int len, i = 0, count = 0;
- bool more = false;
- if (adapter->current_op != I40E_VIRTCHNL_OP_UNKNOWN) {
- /* bail because we already have a command pending */
- dev_err(&adapter->pdev->dev, "Cannot remove VLANs, command %d pending\n",
- adapter->current_op);
- return;
- }
- list_for_each_entry(f, &adapter->vlan_filter_list, list) {
- if (f->remove)
- count++;
- }
- if (!count) {
- adapter->aq_required &= ~I40EVF_FLAG_AQ_DEL_VLAN_FILTER;
- return;
- }
- adapter->current_op = I40E_VIRTCHNL_OP_DEL_VLAN;
- len = sizeof(struct i40e_virtchnl_vlan_filter_list) +
- (count * sizeof(u16));
- if (len > I40EVF_MAX_AQ_BUF_SIZE) {
- dev_warn(&adapter->pdev->dev, "Too many delete VLAN changes in one request\n");
- count = (I40EVF_MAX_AQ_BUF_SIZE -
- sizeof(struct i40e_virtchnl_vlan_filter_list)) /
- sizeof(u16);
- len = sizeof(struct i40e_virtchnl_vlan_filter_list) +
- (count * sizeof(u16));
- more = true;
- }
- vvfl = kzalloc(len, GFP_ATOMIC);
- if (!vvfl)
- return;
- vvfl->vsi_id = adapter->vsi_res->vsi_id;
- vvfl->num_elements = count;
- list_for_each_entry_safe(f, ftmp, &adapter->vlan_filter_list, list) {
- if (f->remove) {
- vvfl->vlan_id[i] = f->vlan;
- i++;
- list_del(&f->list);
- kfree(f);
- }
- }
- if (!more)
- adapter->aq_required &= ~I40EVF_FLAG_AQ_DEL_VLAN_FILTER;
- i40evf_send_pf_msg(adapter, I40E_VIRTCHNL_OP_DEL_VLAN, (u8 *)vvfl, len);
- kfree(vvfl);
- }
- /**
- * i40evf_set_promiscuous
- * @adapter: adapter structure
- * @flags: bitmask to control unicast/multicast promiscuous.
- *
- * Request that the PF enable promiscuous mode for our VSI.
- **/
- void i40evf_set_promiscuous(struct i40evf_adapter *adapter, int flags)
- {
- struct i40e_virtchnl_promisc_info vpi;
- if (adapter->current_op != I40E_VIRTCHNL_OP_UNKNOWN) {
- /* bail because we already have a command pending */
- dev_err(&adapter->pdev->dev, "Cannot set promiscuous mode, command %d pending\n",
- adapter->current_op);
- return;
- }
- adapter->current_op = I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE;
- vpi.vsi_id = adapter->vsi_res->vsi_id;
- vpi.flags = flags;
- i40evf_send_pf_msg(adapter, I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
- (u8 *)&vpi, sizeof(vpi));
- }
- /**
- * i40evf_request_stats
- * @adapter: adapter structure
- *
- * Request VSI statistics from PF.
- **/
- void i40evf_request_stats(struct i40evf_adapter *adapter)
- {
- struct i40e_virtchnl_queue_select vqs;
- if (adapter->current_op != I40E_VIRTCHNL_OP_UNKNOWN) {
- /* no error message, this isn't crucial */
- return;
- }
- adapter->current_op = I40E_VIRTCHNL_OP_GET_STATS;
- vqs.vsi_id = adapter->vsi_res->vsi_id;
- /* queue maps are ignored for this message - only the vsi is used */
- if (i40evf_send_pf_msg(adapter, I40E_VIRTCHNL_OP_GET_STATS,
- (u8 *)&vqs, sizeof(vqs)))
- /* if the request failed, don't lock out others */
- adapter->current_op = I40E_VIRTCHNL_OP_UNKNOWN;
- }
- /**
- * i40evf_request_reset
- * @adapter: adapter structure
- *
- * Request that the PF reset this VF. No response is expected.
- **/
- void i40evf_request_reset(struct i40evf_adapter *adapter)
- {
- /* Don't check CURRENT_OP - this is always higher priority */
- i40evf_send_pf_msg(adapter, I40E_VIRTCHNL_OP_RESET_VF, NULL, 0);
- adapter->current_op = I40E_VIRTCHNL_OP_UNKNOWN;
- }
- /**
- * i40evf_virtchnl_completion
- * @adapter: adapter structure
- * @v_opcode: opcode sent by PF
- * @v_retval: retval sent by PF
- * @msg: message sent by PF
- * @msglen: message length
- *
- * Asynchronous completion function for admin queue messages. Rather than busy
- * wait, we fire off our requests and assume that no errors will be returned.
- * This function handles the reply messages.
- **/
- void i40evf_virtchnl_completion(struct i40evf_adapter *adapter,
- enum i40e_virtchnl_ops v_opcode,
- i40e_status v_retval,
- u8 *msg, u16 msglen)
- {
- struct net_device *netdev = adapter->netdev;
- if (v_opcode == I40E_VIRTCHNL_OP_EVENT) {
- struct i40e_virtchnl_pf_event *vpe =
- (struct i40e_virtchnl_pf_event *)msg;
- switch (vpe->event) {
- case I40E_VIRTCHNL_EVENT_LINK_CHANGE:
- adapter->link_up =
- vpe->event_data.link_event.link_status;
- if (adapter->link_up && !netif_carrier_ok(netdev)) {
- dev_info(&adapter->pdev->dev, "NIC Link is Up\n");
- netif_carrier_on(netdev);
- netif_tx_wake_all_queues(netdev);
- } else if (!adapter->link_up) {
- dev_info(&adapter->pdev->dev, "NIC Link is Down\n");
- netif_carrier_off(netdev);
- netif_tx_stop_all_queues(netdev);
- }
- break;
- case I40E_VIRTCHNL_EVENT_RESET_IMPENDING:
- dev_info(&adapter->pdev->dev, "PF reset warning received\n");
- if (!(adapter->flags & I40EVF_FLAG_RESET_PENDING)) {
- adapter->flags |= I40EVF_FLAG_RESET_PENDING;
- dev_info(&adapter->pdev->dev, "Scheduling reset task\n");
- schedule_work(&adapter->reset_task);
- }
- break;
- default:
- dev_err(&adapter->pdev->dev, "Unknown event %d from PF\n",
- vpe->event);
- break;
- }
- return;
- }
- if (v_retval) {
- dev_err(&adapter->pdev->dev, "PF returned error %d (%s) to our request %d\n",
- v_retval, i40evf_stat_str(&adapter->hw, v_retval),
- v_opcode);
- }
- switch (v_opcode) {
- case I40E_VIRTCHNL_OP_GET_STATS: {
- struct i40e_eth_stats *stats =
- (struct i40e_eth_stats *)msg;
- adapter->net_stats.rx_packets = stats->rx_unicast +
- stats->rx_multicast +
- stats->rx_broadcast;
- adapter->net_stats.tx_packets = stats->tx_unicast +
- stats->tx_multicast +
- stats->tx_broadcast;
- adapter->net_stats.rx_bytes = stats->rx_bytes;
- adapter->net_stats.tx_bytes = stats->tx_bytes;
- adapter->net_stats.tx_errors = stats->tx_errors;
- adapter->net_stats.rx_dropped = stats->rx_discards;
- adapter->net_stats.tx_dropped = stats->tx_discards;
- adapter->current_stats = *stats;
- }
- break;
- case I40E_VIRTCHNL_OP_GET_VF_RESOURCES: {
- u16 len = sizeof(struct i40e_virtchnl_vf_resource) +
- I40E_MAX_VF_VSI *
- sizeof(struct i40e_virtchnl_vsi_resource);
- memcpy(adapter->vf_res, msg, min(msglen, len));
- i40e_vf_parse_hw_config(&adapter->hw, adapter->vf_res);
- /* restore current mac address */
- ether_addr_copy(adapter->hw.mac.addr, netdev->dev_addr);
- i40evf_process_config(adapter);
- }
- break;
- case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
- /* enable transmits */
- i40evf_irq_enable(adapter, true);
- netif_tx_start_all_queues(adapter->netdev);
- netif_carrier_on(adapter->netdev);
- break;
- case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
- i40evf_free_all_tx_resources(adapter);
- i40evf_free_all_rx_resources(adapter);
- break;
- case I40E_VIRTCHNL_OP_VERSION:
- case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
- /* Don't display an error if we get these out of sequence.
- * If the firmware needed to get kicked, we'll get these and
- * it's no problem.
- */
- if (v_opcode != adapter->current_op)
- return;
- break;
- default:
- if (v_opcode != adapter->current_op)
- dev_warn(&adapter->pdev->dev, "Expected response %d from PF, received %d\n",
- adapter->current_op, v_opcode);
- break;
- } /* switch v_opcode */
- adapter->current_op = I40E_VIRTCHNL_OP_UNKNOWN;
- }
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