1018 lines
30 KiB
C
1018 lines
30 KiB
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;
|
|
}
|
|
|
|
/**
|
|
* 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_PF |
|
|
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);
|
|
}
|
|
|
|
/**
|
|
* 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_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);
|
|
}
|
|
|
|
/**
|
|
* 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_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);
|
|
}
|
|
|
|
/**
|
|
* 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);
|
|
}
|
|
|
|
/**
|
|
* 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);
|
|
}
|
|
|
|
/**
|
|
* 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);
|
|
}
|
|
|
|
/**
|
|
* 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);
|
|
}
|
|
|
|
/**
|
|
* 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));
|
|
}
|
|
|
|
/**
|
|
* 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_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);
|
|
}
|
|
|
|
/**
|
|
* 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));
|
|
}
|
|
|
|
/**
|
|
* 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);
|
|
}
|
|
|
|
/**
|
|
* 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);
|
|
}
|
|
|
|
/**
|
|
* 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_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, 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_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_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;
|
|
}
|