diff options
Diffstat (limited to 'drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c')
| -rw-r--r-- | drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c | 1036 |
1 files changed, 0 insertions, 1036 deletions
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c deleted file mode 100644 index d2bb250a71af..000000000000 --- a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c +++ /dev/null @@ -1,1036 +0,0 @@ -/******************************************************************************* - * - * 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" -#include "i40evf_client.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 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 virtchnl_version_info vvi; - - vvi.major = VIRTCHNL_VERSION_MAJOR; - vvi.minor = VIRTCHNL_VERSION_MINOR; - - return i40evf_send_pf_msg(adapter, 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 virtchnl_version_info *pf_vvi; - struct i40e_hw *hw = &adapter->hw; - struct i40e_arq_event_info event; - enum 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 virtchnl_ops)le32_to_cpu(event.desc.cookie_high); - if (op == VIRTCHNL_OP_VERSION) - break; - } - - - err = (i40e_status)le32_to_cpu(event.desc.cookie_low); - if (err) - goto out_alloc; - - if (op != VIRTCHNL_OP_VERSION) { - dev_info(&adapter->pdev->dev, "Invalid reply type %d from PF\n", - op); - err = -EIO; - goto out_alloc; - } - - pf_vvi = (struct virtchnl_version_info *)event.msg_buf; - adapter->pf_version = *pf_vvi; - - if ((pf_vvi->major > VIRTCHNL_VERSION_MAJOR) || - ((pf_vvi->major == VIRTCHNL_VERSION_MAJOR) && - (pf_vvi->minor > 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; - - caps = VIRTCHNL_VF_OFFLOAD_L2 | - VIRTCHNL_VF_OFFLOAD_RSS_PF | - VIRTCHNL_VF_OFFLOAD_RSS_AQ | - VIRTCHNL_VF_OFFLOAD_RSS_REG | - VIRTCHNL_VF_OFFLOAD_VLAN | - VIRTCHNL_VF_OFFLOAD_WB_ON_ITR | - VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2 | - VIRTCHNL_VF_OFFLOAD_ENCAP | - VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM; - - adapter->current_op = VIRTCHNL_OP_GET_VF_RESOURCES; - adapter->aq_required &= ~I40EVF_FLAG_AQ_GET_CONFIG; - if (PF_IS_V11(adapter)) - return i40evf_send_pf_msg(adapter, - VIRTCHNL_OP_GET_VF_RESOURCES, - (u8 *)&caps, sizeof(caps)); - else - return i40evf_send_pf_msg(adapter, - 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 virtchnl_ops op; - i40e_status err; - u16 len; - - len = sizeof(struct virtchnl_vf_resource) + - I40E_MAX_VF_VSI * sizeof(struct 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 virtchnl_ops)le32_to_cpu(event.desc.cookie_high); - if (op == 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 virtchnl_vsi_queue_config_info *vqci; - struct virtchnl_queue_pair_info *vqpi; - int pairs = adapter->num_active_queues; - int i, len, max_frame = I40E_MAX_RXBUFFER; - - if (adapter->current_op != 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 = VIRTCHNL_OP_CONFIG_VSI_QUEUES; - len = sizeof(struct virtchnl_vsi_queue_config_info) + - (sizeof(struct virtchnl_queue_pair_info) * pairs); - vqci = kzalloc(len, GFP_KERNEL); - if (!vqci) - return; - - /* Limit maximum frame size when jumbo frames is not enabled */ - if (!(adapter->flags & I40EVF_FLAG_LEGACY_RX) && - (adapter->netdev->mtu <= ETH_DATA_LEN)) - max_frame = I40E_RXBUFFER_1536 - NET_IP_ALIGN; - - 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->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 = max_frame; - vqpi->rxq.databuffer_size = - ALIGN(adapter->rx_rings[i].rx_buf_len, - BIT_ULL(I40E_RXQ_CTX_DBUFF_SHIFT)); - vqpi++; - } - - adapter->aq_required &= ~I40EVF_FLAG_AQ_CONFIGURE_QUEUES; - i40evf_send_pf_msg(adapter, 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 virtchnl_queue_select vqs; - - if (adapter->current_op != 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 = 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, 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 virtchnl_queue_select vqs; - - if (adapter->current_op != 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 = 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, 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 virtchnl_irq_map_info *vimi; - int v_idx, q_vectors, len; - struct i40e_q_vector *q_vector; - - if (adapter->current_op != 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 = VIRTCHNL_OP_CONFIG_IRQ_MAP; - - q_vectors = adapter->num_msix_vectors - NONQ_VECS; - - len = sizeof(struct virtchnl_irq_map_info) + - (adapter->num_msix_vectors * - sizeof(struct virtchnl_vector_map)); - vimi = kzalloc(len, GFP_KERNEL); - 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_vectors + 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, 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 virtchnl_ether_addr_list *veal; - int len, i = 0, count = 0; - struct i40evf_mac_filter *f; - bool more = false; - - if (adapter->current_op != 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 = VIRTCHNL_OP_ADD_ETH_ADDR; - - len = sizeof(struct virtchnl_ether_addr_list) + - (count * sizeof(struct 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 virtchnl_ether_addr_list)) / - sizeof(struct virtchnl_ether_addr); - len = sizeof(struct virtchnl_ether_addr_list) + - (count * sizeof(struct virtchnl_ether_addr)); - more = true; - } - - veal = kzalloc(len, GFP_KERNEL); - 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 (i == count) - break; - } - } - if (!more) - adapter->aq_required &= ~I40EVF_FLAG_AQ_ADD_MAC_FILTER; - i40evf_send_pf_msg(adapter, VIRTCHNL_OP_ADD_ETH_ADDR, - (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 virtchnl_ether_addr_list *veal; - struct i40evf_mac_filter *f, *ftmp; - int len, i = 0, count = 0; - bool more = false; - - if (adapter->current_op != 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 = VIRTCHNL_OP_DEL_ETH_ADDR; - - len = sizeof(struct virtchnl_ether_addr_list) + - (count * sizeof(struct 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 virtchnl_ether_addr_list)) / - sizeof(struct virtchnl_ether_addr); - len = sizeof(struct virtchnl_ether_addr_list) + - (count * sizeof(struct virtchnl_ether_addr)); - more = true; - } - veal = kzalloc(len, GFP_KERNEL); - 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 (i == count) - break; - } - } - if (!more) - adapter->aq_required &= ~I40EVF_FLAG_AQ_DEL_MAC_FILTER; - i40evf_send_pf_msg(adapter, VIRTCHNL_OP_DEL_ETH_ADDR, - (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 virtchnl_vlan_filter_list *vvfl; - int len, i = 0, count = 0; - struct i40evf_vlan_filter *f; - bool more = false; - - if (adapter->current_op != 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 = VIRTCHNL_OP_ADD_VLAN; - - len = sizeof(struct 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 virtchnl_vlan_filter_list)) / - sizeof(u16); - len = sizeof(struct virtchnl_vlan_filter_list) + - (count * sizeof(u16)); - more = true; - } - vvfl = kzalloc(len, GFP_KERNEL); - 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 (i == count) - break; - } - } - if (!more) - adapter->aq_required &= ~I40EVF_FLAG_AQ_ADD_VLAN_FILTER; - i40evf_send_pf_msg(adapter, 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 virtchnl_vlan_filter_list *vvfl; - struct i40evf_vlan_filter *f, *ftmp; - int len, i = 0, count = 0; - bool more = false; - - if (adapter->current_op != 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 = VIRTCHNL_OP_DEL_VLAN; - - len = sizeof(struct 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 virtchnl_vlan_filter_list)) / - sizeof(u16); - len = sizeof(struct virtchnl_vlan_filter_list) + - (count * sizeof(u16)); - more = true; - } - vvfl = kzalloc(len, GFP_KERNEL); - 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 (i == count) - break; - } - } - if (!more) - adapter->aq_required &= ~I40EVF_FLAG_AQ_DEL_VLAN_FILTER; - i40evf_send_pf_msg(adapter, 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 virtchnl_promisc_info vpi; - int promisc_all; - - if (adapter->current_op != 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; - } - - promisc_all = FLAG_VF_UNICAST_PROMISC | - FLAG_VF_MULTICAST_PROMISC; - if ((flags & promisc_all) == promisc_all) { - adapter->flags |= I40EVF_FLAG_PROMISC_ON; - adapter->aq_required &= ~I40EVF_FLAG_AQ_REQUEST_PROMISC; - dev_info(&adapter->pdev->dev, "Entering promiscuous mode\n"); - } - - if (flags & FLAG_VF_MULTICAST_PROMISC) { - adapter->flags |= I40EVF_FLAG_ALLMULTI_ON; - adapter->aq_required &= ~I40EVF_FLAG_AQ_REQUEST_ALLMULTI; - dev_info(&adapter->pdev->dev, "Entering multicast promiscuous mode\n"); - } - - if (!flags) { - adapter->flags &= ~I40EVF_FLAG_PROMISC_ON; - adapter->aq_required &= ~I40EVF_FLAG_AQ_RELEASE_PROMISC; - dev_info(&adapter->pdev->dev, "Leaving promiscuous mode\n"); - } - - adapter->current_op = VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE; - vpi.vsi_id = adapter->vsi_res->vsi_id; - vpi.flags = flags; - i40evf_send_pf_msg(adapter, 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 virtchnl_queue_select vqs; - - if (adapter->current_op != VIRTCHNL_OP_UNKNOWN) { - /* no error message, this isn't crucial */ - return; - } - adapter->current_op = 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, VIRTCHNL_OP_GET_STATS, - (u8 *)&vqs, sizeof(vqs))) - /* if the request failed, don't lock out others */ - adapter->current_op = VIRTCHNL_OP_UNKNOWN; -} - -/** - * i40evf_get_hena - * @adapter: adapter structure - * - * Request hash enable capabilities from PF - **/ -void i40evf_get_hena(struct i40evf_adapter *adapter) -{ - if (adapter->current_op != VIRTCHNL_OP_UNKNOWN) { - /* bail because we already have a command pending */ - dev_err(&adapter->pdev->dev, "Cannot get RSS hash capabilities, command %d pending\n", - adapter->current_op); - return; - } - adapter->current_op = VIRTCHNL_OP_GET_RSS_HENA_CAPS; - adapter->aq_required &= ~I40EVF_FLAG_AQ_GET_HENA; - i40evf_send_pf_msg(adapter, VIRTCHNL_OP_GET_RSS_HENA_CAPS, - NULL, 0); -} - -/** - * i40evf_set_hena - * @adapter: adapter structure - * - * Request the PF to set our RSS hash capabilities - **/ -void i40evf_set_hena(struct i40evf_adapter *adapter) -{ - struct virtchnl_rss_hena vrh; - - if (adapter->current_op != VIRTCHNL_OP_UNKNOWN) { - /* bail because we already have a command pending */ - dev_err(&adapter->pdev->dev, "Cannot set RSS hash enable, command %d pending\n", - adapter->current_op); - return; - } - vrh.hena = adapter->hena; - adapter->current_op = VIRTCHNL_OP_SET_RSS_HENA; - adapter->aq_required &= ~I40EVF_FLAG_AQ_SET_HENA; - i40evf_send_pf_msg(adapter, VIRTCHNL_OP_SET_RSS_HENA, - (u8 *)&vrh, sizeof(vrh)); -} - -/** - * i40evf_set_rss_key - * @adapter: adapter structure - * - * Request the PF to set our RSS hash key - **/ -void i40evf_set_rss_key(struct i40evf_adapter *adapter) -{ - struct virtchnl_rss_key *vrk; - int len; - - if (adapter->current_op != VIRTCHNL_OP_UNKNOWN) { - /* bail because we already have a command pending */ - dev_err(&adapter->pdev->dev, "Cannot set RSS key, command %d pending\n", - adapter->current_op); - return; - } - len = sizeof(struct virtchnl_rss_key) + - (adapter->rss_key_size * sizeof(u8)) - 1; - vrk = kzalloc(len, GFP_KERNEL); - if (!vrk) - return; - vrk->vsi_id = adapter->vsi.id; - vrk->key_len = adapter->rss_key_size; - memcpy(vrk->key, adapter->rss_key, adapter->rss_key_size); - - adapter->current_op = VIRTCHNL_OP_CONFIG_RSS_KEY; - adapter->aq_required &= ~I40EVF_FLAG_AQ_SET_RSS_KEY; - i40evf_send_pf_msg(adapter, VIRTCHNL_OP_CONFIG_RSS_KEY, - (u8 *)vrk, len); - kfree(vrk); -} - -/** - * i40evf_set_rss_lut - * @adapter: adapter structure - * - * Request the PF to set our RSS lookup table - **/ -void i40evf_set_rss_lut(struct i40evf_adapter *adapter) -{ - struct virtchnl_rss_lut *vrl; - int len; - - if (adapter->current_op != VIRTCHNL_OP_UNKNOWN) { - /* bail because we already have a command pending */ - dev_err(&adapter->pdev->dev, "Cannot set RSS LUT, command %d pending\n", - adapter->current_op); - return; - } - len = sizeof(struct virtchnl_rss_lut) + - (adapter->rss_lut_size * sizeof(u8)) - 1; - vrl = kzalloc(len, GFP_KERNEL); - if (!vrl) - return; - vrl->vsi_id = adapter->vsi.id; - vrl->lut_entries = adapter->rss_lut_size; - memcpy(vrl->lut, adapter->rss_lut, adapter->rss_lut_size); - adapter->current_op = VIRTCHNL_OP_CONFIG_RSS_LUT; - adapter->aq_required &= ~I40EVF_FLAG_AQ_SET_RSS_LUT; - i40evf_send_pf_msg(adapter, VIRTCHNL_OP_CONFIG_RSS_LUT, - (u8 *)vrl, len); - kfree(vrl); -} - -/** - * i40evf_print_link_message - print link up or down - * @adapter: adapter structure - * - * Log a message telling the world of our wonderous link status - */ -static void i40evf_print_link_message(struct i40evf_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - char *speed = "Unknown "; - - if (!adapter->link_up) { - netdev_info(netdev, "NIC Link is Down\n"); - return; - } - - switch (adapter->link_speed) { - case I40E_LINK_SPEED_40GB: - speed = "40 G"; - break; - case I40E_LINK_SPEED_25GB: - speed = "25 G"; - break; - case I40E_LINK_SPEED_20GB: - speed = "20 G"; - break; - case I40E_LINK_SPEED_10GB: - speed = "10 G"; - break; - case I40E_LINK_SPEED_1GB: - speed = "1000 M"; - break; - case I40E_LINK_SPEED_100MB: - speed = "100 M"; - break; - default: - break; - } - - netdev_info(netdev, "NIC Link is Up %sbps Full Duplex\n", speed); -} - -/** - * 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, VIRTCHNL_OP_RESET_VF, NULL, 0); - adapter->current_op = 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 virtchnl_ops v_opcode, - i40e_status v_retval, - u8 *msg, u16 msglen) -{ - struct net_device *netdev = adapter->netdev; - - if (v_opcode == VIRTCHNL_OP_EVENT) { - struct virtchnl_pf_event *vpe = - (struct virtchnl_pf_event *)msg; - switch (vpe->event) { - case VIRTCHNL_EVENT_LINK_CHANGE: - adapter->link_speed = - vpe->event_data.link_event.link_speed; - if (adapter->link_up != - vpe->event_data.link_event.link_status) { - adapter->link_up = - vpe->event_data.link_event.link_status; - if (adapter->link_up) { - netif_tx_start_all_queues(netdev); - netif_carrier_on(netdev); - } else { - netif_tx_stop_all_queues(netdev); - netif_carrier_off(netdev); - } - i40evf_print_link_message(adapter); - } - break; - case 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) { - switch (v_opcode) { - case VIRTCHNL_OP_ADD_VLAN: - dev_err(&adapter->pdev->dev, "Failed to add VLAN filter, error %s\n", - i40evf_stat_str(&adapter->hw, v_retval)); - break; - case VIRTCHNL_OP_ADD_ETH_ADDR: - dev_err(&adapter->pdev->dev, "Failed to add MAC filter, error %s\n", - i40evf_stat_str(&adapter->hw, v_retval)); - break; - case VIRTCHNL_OP_DEL_VLAN: - dev_err(&adapter->pdev->dev, "Failed to delete VLAN filter, error %s\n", - i40evf_stat_str(&adapter->hw, v_retval)); - break; - case VIRTCHNL_OP_DEL_ETH_ADDR: - dev_err(&adapter->pdev->dev, "Failed to delete MAC filter, error %s\n", - i40evf_stat_str(&adapter->hw, v_retval)); - break; - default: - 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 VIRTCHNL_OP_GET_STATS: { - struct i40e_eth_stats *stats = - (struct i40e_eth_stats *)msg; - netdev->stats.rx_packets = stats->rx_unicast + - stats->rx_multicast + - stats->rx_broadcast; - netdev->stats.tx_packets = stats->tx_unicast + - stats->tx_multicast + - stats->tx_broadcast; - netdev->stats.rx_bytes = stats->rx_bytes; - netdev->stats.tx_bytes = stats->tx_bytes; - netdev->stats.tx_errors = stats->tx_errors; - netdev->stats.rx_dropped = stats->rx_discards; - netdev->stats.tx_dropped = stats->tx_discards; - adapter->current_stats = *stats; - } - break; - case VIRTCHNL_OP_GET_VF_RESOURCES: { - u16 len = sizeof(struct virtchnl_vf_resource) + - I40E_MAX_VF_VSI * - sizeof(struct 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 VIRTCHNL_OP_ENABLE_QUEUES: - /* enable transmits */ - i40evf_irq_enable(adapter, true); - break; - case VIRTCHNL_OP_DISABLE_QUEUES: - i40evf_free_all_tx_resources(adapter); - i40evf_free_all_rx_resources(adapter); - if (adapter->state == __I40EVF_DOWN_PENDING) - adapter->state = __I40EVF_DOWN; - break; - case VIRTCHNL_OP_VERSION: - case 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; - case VIRTCHNL_OP_IWARP: - /* Gobble zero-length replies from the PF. They indicate that - * a previous message was received OK, and the client doesn't - * care about that. - */ - if (msglen && CLIENT_ENABLED(adapter)) - i40evf_notify_client_message(&adapter->vsi, - msg, msglen); - break; - - case VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP: - adapter->client_pending &= - ~(BIT(VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP)); - break; - case VIRTCHNL_OP_GET_RSS_HENA_CAPS: { - struct virtchnl_rss_hena *vrh = (struct virtchnl_rss_hena *)msg; - if (msglen == sizeof(*vrh)) - adapter->hena = vrh->hena; - else - dev_warn(&adapter->pdev->dev, - "Invalid message %d from PF\n", v_opcode); - } - break; - default: - if (adapter->current_op && (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 = VIRTCHNL_OP_UNKNOWN; -} |