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Release 4.11 drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c

/*******************************************************************************
 *
 * 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; }

Contributors

PersonTokensPropCommitsCommitProp
Greg Rose8077.67%133.33%
Mitch A Williams1211.65%133.33%
Shannon Nelson1110.68%133.33%
Total103100.00%3100.00%

/** * 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)); }

Contributors

PersonTokensPropCommitsCommitProp
Greg Rose46100.00%1100.00%
Total46100.00%1100.00%

/** * 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; }

Contributors

PersonTokensPropCommitsCommitProp
Greg Rose16770.76%120.00%
Mitch A Williams6929.24%480.00%
Total236100.00%5100.00%

/** * 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 | I40E_VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2; 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); }

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PersonTokensPropCommitsCommitProp
Mitch A Williams6772.04%125.00%
Greg Rose2223.66%125.00%
Anjali Singhai Jain44.30%250.00%
Total93100.00%4100.00%

/** * 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; }

Contributors

PersonTokensPropCommitsCommitProp
Greg Rose16686.91%133.33%
Mitch A Williams2513.09%266.67%
Total191100.00%3100.00%

/** * 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_KERNEL); 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); }

Contributors

PersonTokensPropCommitsCommitProp
Greg Rose28185.15%114.29%
Ashish Shah3410.30%114.29%
Mitch A Williams144.24%457.14%
Shannon Nelson10.30%114.29%
Total330100.00%7100.00%

/** * 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)); }

Contributors

PersonTokensPropCommitsCommitProp
Greg Rose9388.57%120.00%
Mitch A Williams87.62%240.00%
Jesse Brandeburg32.86%120.00%
Shannon Nelson10.95%120.00%
Total105100.00%5100.00%

/** * 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)); }

Contributors

PersonTokensPropCommitsCommitProp
Greg Rose9388.57%120.00%
Mitch A Williams87.62%240.00%
Jesse Brandeburg32.86%120.00%
Shannon Nelson10.95%120.00%
Total105100.00%5100.00%

/** * 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_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, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP, (u8 *)vimi, len); kfree(vimi); }

Contributors

PersonTokensPropCommitsCommitProp
Greg Rose25595.86%120.00%
Mitch A Williams103.76%360.00%
Shannon Nelson10.38%120.00%
Total266100.00%5100.00%

/** * 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_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, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS, (u8 *)veal, len); kfree(veal); }

Contributors

PersonTokensPropCommitsCommitProp
Greg Rose24984.41%228.57%
Mitch A Williams4414.92%457.14%
Shannon Nelson20.68%114.29%
Total295100.00%7100.00%

/** * 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_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, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS, (u8 *)veal, len); kfree(veal); }

Contributors

PersonTokensPropCommitsCommitProp
Greg Rose26185.02%228.57%
Mitch A Williams4414.33%457.14%
Shannon Nelson20.65%114.29%
Total307100.00%7100.00%

/** * 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_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, I40E_VIRTCHNL_OP_ADD_VLAN, (u8 *)vvfl, len); kfree(vvfl); }

Contributors

PersonTokensPropCommitsCommitProp
Greg Rose24284.32%116.67%
Mitch A Williams4314.98%466.67%
Shannon Nelson20.70%116.67%
Total287100.00%6100.00%

/** * 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_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, I40E_VIRTCHNL_OP_DEL_VLAN, (u8 *)vvfl, len); kfree(vvfl); }

Contributors

PersonTokensPropCommitsCommitProp
Greg Rose25484.95%116.67%
Mitch A Williams4314.38%466.67%
Shannon Nelson20.67%116.67%
Total299100.00%6100.00%

/** * 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; int promisc_all; 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; } promisc_all = I40E_FLAG_VF_UNICAST_PROMISC | I40E_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 & I40E_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 = 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)); }

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PersonTokensPropCommitsCommitProp
Anjali Singhai Jain11256.57%250.00%
Greg Rose8542.93%125.00%
Shannon Nelson10.51%125.00%
Total198100.00%4100.00%

/** * 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; }

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PersonTokensPropCommitsCommitProp
Greg Rose71100.00%1100.00%
Total71100.00%1100.00%

/** * i40evf_get_hena * @adapter: adapter structure * * Request hash enable capabilities from PF **/
void i40evf_get_hena(struct i40evf_adapter *adapter) { if (adapter->current_op != I40E_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 = I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS; adapter->aq_required &= ~I40EVF_FLAG_AQ_GET_HENA; i40evf_send_pf_msg(adapter, I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS, NULL, 0); }

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PersonTokensPropCommitsCommitProp
Mitch A Williams62100.00%1100.00%
Total62100.00%1100.00%

/** * i40evf_set_hena * @adapter: adapter structure * * Request the PF to set our RSS hash capabilities **/
void i40evf_set_hena(struct i40evf_adapter *adapter) { struct i40e_virtchnl_rss_hena vrh; if (adapter->current_op != I40E_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 = I40E_VIRTCHNL_OP_SET_RSS_HENA; adapter->aq_required &= ~I40EVF_FLAG_AQ_SET_HENA; i40evf_send_pf_msg(adapter, I40E_VIRTCHNL_OP_SET_RSS_HENA, (u8 *)&vrh, sizeof(vrh)); }

Contributors

PersonTokensPropCommitsCommitProp
Mitch A Williams82100.00%1100.00%
Total82100.00%1100.00%

/** * 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 i40e_virtchnl_rss_key *vrk; int len; if (adapter->current_op != I40E_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 i40e_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 = I40E_VIRTCHNL_OP_CONFIG_RSS_KEY; adapter->aq_required &= ~I40EVF_FLAG_AQ_SET_RSS_KEY; i40evf_send_pf_msg(adapter, I40E_VIRTCHNL_OP_CONFIG_RSS_KEY, (u8 *)vrk, len); kfree(vrk); }

Contributors

PersonTokensPropCommitsCommitProp
Mitch A Williams148100.00%1100.00%
Total148100.00%1100.00%

/** * 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 i40e_virtchnl_rss_lut *vrl; int len; if (adapter->current_op != I40E_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 i40e_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 = I40E_VIRTCHNL_OP_CONFIG_RSS_LUT; adapter->aq_required &= ~I40EVF_FLAG_AQ_SET_RSS_LUT; i40evf_send_pf_msg(adapter, I40E_VIRTCHNL_OP_CONFIG_RSS_LUT, (u8 *)vrl, len); kfree(vrl); }

Contributors

PersonTokensPropCommitsCommitProp
Mitch A Williams148100.00%1100.00%
Total148100.00%1100.00%

/** * 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); }

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PersonTokensPropCommitsCommitProp
Mitch A Williams10292.73%150.00%
Carolyn Wyborny87.27%150.00%
Total110100.00%2100.00%

/** * 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; }

Contributors

PersonTokensPropCommitsCommitProp
Mitch A Williams28100.00%1100.00%
Total28100.00%1100.00%

/** * 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_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 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) { switch (v_opcode) { case I40E_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 I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS: dev_err(&adapter->pdev->dev, "Failed to add MAC filter, error %s\n", i40evf_stat_str(&adapter->hw, v_retval)); break; case I40E_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 I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS: 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 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); break; case I40E_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 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; case I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP: adapter->client_pending &= ~(BIT(I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP)); break; case I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS: { struct i40e_virtchnl_rss_hena *vrh = (struct i40e_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 (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; }

Contributors

PersonTokensPropCommitsCommitProp
Mitch A Williams35049.58%1066.67%
Greg Rose31544.62%16.67%
Sridhar Samudrala283.97%16.67%
Shannon Nelson131.84%320.00%
Total706100.00%15100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Greg Rose271063.70%25.56%
Mitch A Williams131430.89%2261.11%
Anjali Singhai Jain1162.73%411.11%
Shannon Nelson370.87%38.33%
Ashish Shah340.80%12.78%
Sridhar Samudrala280.66%12.78%
Carolyn Wyborny80.19%12.78%
Jesse Brandeburg70.16%25.56%
Total4254100.00%36100.00%
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