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linux-zen-server/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c

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Initial commit
2023-08-30 17:53:23 +02:00
// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2013 - 2018 Intel Corporation. */
#include "iavf.h"
#include "iavf_prototype.h"
#include "iavf_client.h"
/**
* iavf_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 iavf_send_pf_msg(struct iavf_adapter *adapter,
enum virtchnl_ops op, u8 *msg, u16 len)
{
struct iavf_hw *hw = &adapter->hw;
enum iavf_status status;
if (adapter->flags & IAVF_FLAG_PF_COMMS_FAILED)
return 0; /* nothing to see here, move along */
status = iavf_aq_send_msg_to_pf(hw, op, 0, msg, len, NULL);
if (status)
dev_dbg(&adapter->pdev->dev, "Unable to send opcode %d to PF, status %s, aq_err %s\n",
op, iavf_stat_str(hw, status),
iavf_aq_str(hw, hw->aq.asq_last_status));
return iavf_status_to_errno(status);
}
/**
* iavf_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 IAVF_ADMIN_QUEUE_ERROR_ statuses if not.
**/
int iavf_send_api_ver(struct iavf_adapter *adapter)
{
struct virtchnl_version_info vvi;
vvi.major = VIRTCHNL_VERSION_MAJOR;
vvi.minor = VIRTCHNL_VERSION_MINOR;
return iavf_send_pf_msg(adapter, VIRTCHNL_OP_VERSION, (u8 *)&vvi,
sizeof(vvi));
}
/**
* iavf_poll_virtchnl_msg
* @hw: HW configuration structure
* @event: event to populate on success
* @op_to_poll: requested virtchnl op to poll for
*
* Initialize poll for virtchnl msg matching the requested_op. Returns 0
* if a message of the correct opcode is in the queue or an error code
* if no message matching the op code is waiting and other failures.
*/
static int
iavf_poll_virtchnl_msg(struct iavf_hw *hw, struct iavf_arq_event_info *event,
enum virtchnl_ops op_to_poll)
{
enum virtchnl_ops received_op;
enum iavf_status status;
u32 v_retval;
while (1) {
/* When the AQ is empty, iavf_clean_arq_element will return
* nonzero and this loop will terminate.
*/
status = iavf_clean_arq_element(hw, event, NULL);
if (status != IAVF_SUCCESS)
return iavf_status_to_errno(status);
received_op =
(enum virtchnl_ops)le32_to_cpu(event->desc.cookie_high);
if (op_to_poll == received_op)
break;
}
v_retval = le32_to_cpu(event->desc.cookie_low);
return virtchnl_status_to_errno((enum virtchnl_status_code)v_retval);
}
/**
* iavf_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,
* IAVF_ERR_ADMIN_QUEUE_NO_WORK if the admin queue is empty, and any errors
* from the firmware are propagated.
**/
int iavf_verify_api_ver(struct iavf_adapter *adapter)
{
struct iavf_arq_event_info event;
int err;
event.buf_len = IAVF_MAX_AQ_BUF_SIZE;
event.msg_buf = kzalloc(IAVF_MAX_AQ_BUF_SIZE, GFP_KERNEL);
if (!event.msg_buf)
return -ENOMEM;
err = iavf_poll_virtchnl_msg(&adapter->hw, &event, VIRTCHNL_OP_VERSION);
if (!err) {
struct virtchnl_version_info *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;
}
kfree(event.msg_buf);
return err;
}
/**
* iavf_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 IAVF_ADMIN_QUEUE_ERROR_ statuses if not.
**/
int iavf_send_vf_config_msg(struct iavf_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_VLAN_V2 |
VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM |
VIRTCHNL_VF_OFFLOAD_REQ_QUEUES |
VIRTCHNL_VF_OFFLOAD_ADQ |
VIRTCHNL_VF_OFFLOAD_USO |
VIRTCHNL_VF_OFFLOAD_FDIR_PF |
VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF |
VIRTCHNL_VF_CAP_ADV_LINK_SPEED;
adapter->current_op = VIRTCHNL_OP_GET_VF_RESOURCES;
adapter->aq_required &= ~IAVF_FLAG_AQ_GET_CONFIG;
if (PF_IS_V11(adapter))
return iavf_send_pf_msg(adapter, VIRTCHNL_OP_GET_VF_RESOURCES,
(u8 *)&caps, sizeof(caps));
else
return iavf_send_pf_msg(adapter, VIRTCHNL_OP_GET_VF_RESOURCES,
NULL, 0);
}
int iavf_send_vf_offload_vlan_v2_msg(struct iavf_adapter *adapter)
{
adapter->aq_required &= ~IAVF_FLAG_AQ_GET_OFFLOAD_VLAN_V2_CAPS;
if (!VLAN_V2_ALLOWED(adapter))
return -EOPNOTSUPP;
adapter->current_op = VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS;
return iavf_send_pf_msg(adapter, VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS,
NULL, 0);
}
/**
* iavf_validate_num_queues
* @adapter: adapter structure
*
* Validate that the number of queues the PF has sent in
* VIRTCHNL_OP_GET_VF_RESOURCES is not larger than the VF can handle.
**/
static void iavf_validate_num_queues(struct iavf_adapter *adapter)
{
if (adapter->vf_res->num_queue_pairs > IAVF_MAX_REQ_QUEUES) {
struct virtchnl_vsi_resource *vsi_res;
int i;
dev_info(&adapter->pdev->dev, "Received %d queues, but can only have a max of %d\n",
adapter->vf_res->num_queue_pairs,
IAVF_MAX_REQ_QUEUES);
dev_info(&adapter->pdev->dev, "Fixing by reducing queues to %d\n",
IAVF_MAX_REQ_QUEUES);
adapter->vf_res->num_queue_pairs = IAVF_MAX_REQ_QUEUES;
for (i = 0; i < adapter->vf_res->num_vsis; i++) {
vsi_res = &adapter->vf_res->vsi_res[i];
vsi_res->num_queue_pairs = IAVF_MAX_REQ_QUEUES;
}
}
}
/**
* iavf_get_vf_config
* @adapter: private adapter structure
*
* 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 iavf_get_vf_config(struct iavf_adapter *adapter)
{
struct iavf_hw *hw = &adapter->hw;
struct iavf_arq_event_info event;
u16 len;
int err;
len = sizeof(struct virtchnl_vf_resource) +
IAVF_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource);
event.buf_len = len;
event.msg_buf = kzalloc(len, GFP_KERNEL);
if (!event.msg_buf)
return -ENOMEM;
err = iavf_poll_virtchnl_msg(hw, &event, VIRTCHNL_OP_GET_VF_RESOURCES);
memcpy(adapter->vf_res, event.msg_buf, min(event.msg_len, len));
/* some PFs send more queues than we should have so validate that
* we aren't getting too many queues
*/
if (!err)
iavf_validate_num_queues(adapter);
iavf_vf_parse_hw_config(hw, adapter->vf_res);
kfree(event.msg_buf);
return err;
}
int iavf_get_vf_vlan_v2_caps(struct iavf_adapter *adapter)
{
struct iavf_arq_event_info event;
int err;
u16 len;
len = sizeof(struct virtchnl_vlan_caps);
event.buf_len = len;
event.msg_buf = kzalloc(len, GFP_KERNEL);
if (!event.msg_buf)
return -ENOMEM;
err = iavf_poll_virtchnl_msg(&adapter->hw, &event,
VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS);
if (!err)
memcpy(&adapter->vlan_v2_caps, event.msg_buf,
min(event.msg_len, len));
kfree(event.msg_buf);
return err;
}
/**
* iavf_configure_queues
* @adapter: adapter structure
*
* Request that the PF set up our (previously allocated) queues.
**/
void iavf_configure_queues(struct iavf_adapter *adapter)
{
struct virtchnl_vsi_queue_config_info *vqci;
int i, max_frame = adapter->vf_res->max_mtu;
int pairs = adapter->num_active_queues;
struct virtchnl_queue_pair_info *vqpi;
size_t len;
if (max_frame > IAVF_MAX_RXBUFFER || !max_frame)
max_frame = IAVF_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 = struct_size(vqci, qpair, pairs);
vqci = kzalloc(len, GFP_KERNEL);
if (!vqci)
return;
/* Limit maximum frame size when jumbo frames is not enabled */
if (!(adapter->flags & IAVF_FLAG_LEGACY_RX) &&
(adapter->netdev->mtu <= ETH_DATA_LEN))
max_frame = IAVF_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(IAVF_RXQ_CTX_DBUFF_SHIFT));
vqpi++;
}
adapter->aq_required &= ~IAVF_FLAG_AQ_CONFIGURE_QUEUES;
iavf_send_pf_msg(adapter, VIRTCHNL_OP_CONFIG_VSI_QUEUES,
(u8 *)vqci, len);
kfree(vqci);
}
/**
* iavf_enable_queues
* @adapter: adapter structure
*
* Request that the PF enable all of our queues.
**/
void iavf_enable_queues(struct iavf_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 &= ~IAVF_FLAG_AQ_ENABLE_QUEUES;
iavf_send_pf_msg(adapter, VIRTCHNL_OP_ENABLE_QUEUES,
(u8 *)&vqs, sizeof(vqs));
}
/**
* iavf_disable_queues
* @adapter: adapter structure
*
* Request that the PF disable all of our queues.
**/
void iavf_disable_queues(struct iavf_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 &= ~IAVF_FLAG_AQ_DISABLE_QUEUES;
iavf_send_pf_msg(adapter, VIRTCHNL_OP_DISABLE_QUEUES,
(u8 *)&vqs, sizeof(vqs));
}
/**
* iavf_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 iavf_map_queues(struct iavf_adapter *adapter)
{
struct virtchnl_irq_map_info *vimi;
struct virtchnl_vector_map *vecmap;
struct iavf_q_vector *q_vector;
int v_idx, q_vectors;
size_t len;
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 = struct_size(vimi, vecmap, adapter->num_msix_vectors);
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];
vecmap = &vimi->vecmap[v_idx];
vecmap->vsi_id = adapter->vsi_res->vsi_id;
vecmap->vector_id = v_idx + NONQ_VECS;
vecmap->txq_map = q_vector->ring_mask;
vecmap->rxq_map = q_vector->ring_mask;
vecmap->rxitr_idx = IAVF_RX_ITR;
vecmap->txitr_idx = IAVF_TX_ITR;
}
/* Misc vector last - this is only for AdminQ messages */
vecmap = &vimi->vecmap[v_idx];
vecmap->vsi_id = adapter->vsi_res->vsi_id;
vecmap->vector_id = 0;
vecmap->txq_map = 0;
vecmap->rxq_map = 0;
adapter->aq_required &= ~IAVF_FLAG_AQ_MAP_VECTORS;
iavf_send_pf_msg(adapter, VIRTCHNL_OP_CONFIG_IRQ_MAP,
(u8 *)vimi, len);
kfree(vimi);
}
/**
* iavf_set_mac_addr_type - Set the correct request type from the filter type
* @virtchnl_ether_addr: pointer to requested list element
* @filter: pointer to requested filter
**/
static void
iavf_set_mac_addr_type(struct virtchnl_ether_addr *virtchnl_ether_addr,
const struct iavf_mac_filter *filter)
{
virtchnl_ether_addr->type = filter->is_primary ?
VIRTCHNL_ETHER_ADDR_PRIMARY :
VIRTCHNL_ETHER_ADDR_EXTRA;
}
/**
* iavf_add_ether_addrs
* @adapter: adapter structure
*
* Request that the PF add one or more addresses to our filters.
**/
void iavf_add_ether_addrs(struct iavf_adapter *adapter)
{
struct virtchnl_ether_addr_list *veal;
struct iavf_mac_filter *f;
int i = 0, count = 0;
bool more = false;
size_t len;
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;
}
spin_lock_bh(&adapter->mac_vlan_list_lock);
list_for_each_entry(f, &adapter->mac_filter_list, list) {
if (f->add)
count++;
}
if (!count) {
adapter->aq_required &= ~IAVF_FLAG_AQ_ADD_MAC_FILTER;
spin_unlock_bh(&adapter->mac_vlan_list_lock);
return;
}
adapter->current_op = VIRTCHNL_OP_ADD_ETH_ADDR;
len = struct_size(veal, list, count);
if (len > IAVF_MAX_AQ_BUF_SIZE) {
dev_warn(&adapter->pdev->dev, "Too many add MAC changes in one request\n");
count = (IAVF_MAX_AQ_BUF_SIZE -
sizeof(struct virtchnl_ether_addr_list)) /
sizeof(struct virtchnl_ether_addr);
len = struct_size(veal, list, count);
more = true;
}
veal = kzalloc(len, GFP_ATOMIC);
if (!veal) {
spin_unlock_bh(&adapter->mac_vlan_list_lock);
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);
iavf_set_mac_addr_type(&veal->list[i], f);
i++;
f->add = false;
if (i == count)
break;
}
}
if (!more)
adapter->aq_required &= ~IAVF_FLAG_AQ_ADD_MAC_FILTER;
spin_unlock_bh(&adapter->mac_vlan_list_lock);
iavf_send_pf_msg(adapter, VIRTCHNL_OP_ADD_ETH_ADDR, (u8 *)veal, len);
kfree(veal);
}
/**
* iavf_del_ether_addrs
* @adapter: adapter structure
*
* Request that the PF remove one or more addresses from our filters.
**/
void iavf_del_ether_addrs(struct iavf_adapter *adapter)
{
struct virtchnl_ether_addr_list *veal;
struct iavf_mac_filter *f, *ftmp;
int i = 0, count = 0;
bool more = false;
size_t len;
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;
}
spin_lock_bh(&adapter->mac_vlan_list_lock);
list_for_each_entry(f, &adapter->mac_filter_list, list) {
if (f->remove)
count++;
}
if (!count) {
adapter->aq_required &= ~IAVF_FLAG_AQ_DEL_MAC_FILTER;
spin_unlock_bh(&adapter->mac_vlan_list_lock);
return;
}
adapter->current_op = VIRTCHNL_OP_DEL_ETH_ADDR;
len = struct_size(veal, list, count);
if (len > IAVF_MAX_AQ_BUF_SIZE) {
dev_warn(&adapter->pdev->dev, "Too many delete MAC changes in one request\n");
count = (IAVF_MAX_AQ_BUF_SIZE -
sizeof(struct virtchnl_ether_addr_list)) /
sizeof(struct virtchnl_ether_addr);
len = struct_size(veal, list, count);
more = true;
}
veal = kzalloc(len, GFP_ATOMIC);
if (!veal) {
spin_unlock_bh(&adapter->mac_vlan_list_lock);
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);
iavf_set_mac_addr_type(&veal->list[i], f);
i++;
list_del(&f->list);
kfree(f);
if (i == count)
break;
}
}
if (!more)
adapter->aq_required &= ~IAVF_FLAG_AQ_DEL_MAC_FILTER;
spin_unlock_bh(&adapter->mac_vlan_list_lock);
iavf_send_pf_msg(adapter, VIRTCHNL_OP_DEL_ETH_ADDR, (u8 *)veal, len);
kfree(veal);
}
/**
* iavf_mac_add_ok
* @adapter: adapter structure
*
* Submit list of filters based on PF response.
**/
static void iavf_mac_add_ok(struct iavf_adapter *adapter)
{
struct iavf_mac_filter *f, *ftmp;
spin_lock_bh(&adapter->mac_vlan_list_lock);
list_for_each_entry_safe(f, ftmp, &adapter->mac_filter_list, list) {
f->is_new_mac = false;
if (!f->add && !f->add_handled)
f->add_handled = true;
}
spin_unlock_bh(&adapter->mac_vlan_list_lock);
}
/**
* iavf_mac_add_reject
* @adapter: adapter structure
*
* Remove filters from list based on PF response.
**/
static void iavf_mac_add_reject(struct iavf_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
struct iavf_mac_filter *f, *ftmp;
spin_lock_bh(&adapter->mac_vlan_list_lock);
list_for_each_entry_safe(f, ftmp, &adapter->mac_filter_list, list) {
if (f->remove && ether_addr_equal(f->macaddr, netdev->dev_addr))
f->remove = false;
if (!f->add && !f->add_handled)
f->add_handled = true;
if (f->is_new_mac) {
list_del(&f->list);
kfree(f);
}
}
spin_unlock_bh(&adapter->mac_vlan_list_lock);
}
/**
* iavf_vlan_add_reject
* @adapter: adapter structure
*
* Remove VLAN filters from list based on PF response.
**/
static void iavf_vlan_add_reject(struct iavf_adapter *adapter)
{
struct iavf_vlan_filter *f, *ftmp;
spin_lock_bh(&adapter->mac_vlan_list_lock);
list_for_each_entry_safe(f, ftmp, &adapter->vlan_filter_list, list) {
if (f->state == IAVF_VLAN_IS_NEW) {
list_del(&f->list);
kfree(f);
adapter->num_vlan_filters--;
}
}
spin_unlock_bh(&adapter->mac_vlan_list_lock);
}
/**
* iavf_add_vlans
* @adapter: adapter structure
*
* Request that the PF add one or more VLAN filters to our VSI.
**/
void iavf_add_vlans(struct iavf_adapter *adapter)
{
int len, i = 0, count = 0;
struct iavf_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;
}
spin_lock_bh(&adapter->mac_vlan_list_lock);
list_for_each_entry(f, &adapter->vlan_filter_list, list) {
if (f->state == IAVF_VLAN_ADD)
count++;
}
if (!count || !VLAN_FILTERING_ALLOWED(adapter)) {
adapter->aq_required &= ~IAVF_FLAG_AQ_ADD_VLAN_FILTER;
spin_unlock_bh(&adapter->mac_vlan_list_lock);
return;
}
if (VLAN_ALLOWED(adapter)) {
struct virtchnl_vlan_filter_list *vvfl;
adapter->current_op = VIRTCHNL_OP_ADD_VLAN;
len = sizeof(*vvfl) + (count * sizeof(u16));
if (len > IAVF_MAX_AQ_BUF_SIZE) {
dev_warn(&adapter->pdev->dev, "Too many add VLAN changes in one request\n");
count = (IAVF_MAX_AQ_BUF_SIZE - sizeof(*vvfl)) /
sizeof(u16);
len = sizeof(*vvfl) + (count * sizeof(u16));
more = true;
}
vvfl = kzalloc(len, GFP_ATOMIC);
if (!vvfl) {
spin_unlock_bh(&adapter->mac_vlan_list_lock);
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->state == IAVF_VLAN_ADD) {
vvfl->vlan_id[i] = f->vlan.vid;
i++;
f->state = IAVF_VLAN_IS_NEW;
if (i == count)
break;
}
}
if (!more)
adapter->aq_required &= ~IAVF_FLAG_AQ_ADD_VLAN_FILTER;
spin_unlock_bh(&adapter->mac_vlan_list_lock);
iavf_send_pf_msg(adapter, VIRTCHNL_OP_ADD_VLAN, (u8 *)vvfl, len);
kfree(vvfl);
} else {
u16 max_vlans = adapter->vlan_v2_caps.filtering.max_filters;
u16 current_vlans = iavf_get_num_vlans_added(adapter);
struct virtchnl_vlan_filter_list_v2 *vvfl_v2;
adapter->current_op = VIRTCHNL_OP_ADD_VLAN_V2;
if ((count + current_vlans) > max_vlans &&
current_vlans < max_vlans) {
count = max_vlans - iavf_get_num_vlans_added(adapter);
more = true;
}
len = sizeof(*vvfl_v2) + ((count - 1) *
sizeof(struct virtchnl_vlan_filter));
if (len > IAVF_MAX_AQ_BUF_SIZE) {
dev_warn(&adapter->pdev->dev, "Too many add VLAN changes in one request\n");
count = (IAVF_MAX_AQ_BUF_SIZE - sizeof(*vvfl_v2)) /
sizeof(struct virtchnl_vlan_filter);
len = sizeof(*vvfl_v2) +
((count - 1) *
sizeof(struct virtchnl_vlan_filter));
more = true;
}
vvfl_v2 = kzalloc(len, GFP_ATOMIC);
if (!vvfl_v2) {
spin_unlock_bh(&adapter->mac_vlan_list_lock);
return;
}
vvfl_v2->vport_id = adapter->vsi_res->vsi_id;
vvfl_v2->num_elements = count;
list_for_each_entry(f, &adapter->vlan_filter_list, list) {
if (f->state == IAVF_VLAN_ADD) {
struct virtchnl_vlan_supported_caps *filtering_support =
&adapter->vlan_v2_caps.filtering.filtering_support;
struct virtchnl_vlan *vlan;
if (i == count)
break;
/* give priority over outer if it's enabled */
if (filtering_support->outer)
vlan = &vvfl_v2->filters[i].outer;
else
vlan = &vvfl_v2->filters[i].inner;
vlan->tci = f->vlan.vid;
vlan->tpid = f->vlan.tpid;
i++;
f->state = IAVF_VLAN_IS_NEW;
}
}
if (!more)
adapter->aq_required &= ~IAVF_FLAG_AQ_ADD_VLAN_FILTER;
spin_unlock_bh(&adapter->mac_vlan_list_lock);
iavf_send_pf_msg(adapter, VIRTCHNL_OP_ADD_VLAN_V2,
(u8 *)vvfl_v2, len);
kfree(vvfl_v2);
}
}
/**
* iavf_del_vlans
* @adapter: adapter structure
*
* Request that the PF remove one or more VLAN filters from our VSI.
**/
void iavf_del_vlans(struct iavf_adapter *adapter)
{
struct iavf_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;
}
spin_lock_bh(&adapter->mac_vlan_list_lock);
list_for_each_entry_safe(f, ftmp, &adapter->vlan_filter_list, list) {
/* since VLAN capabilities are not allowed, we dont want to send
* a VLAN delete request because it will most likely fail and
* create unnecessary errors/noise, so just free the VLAN
* filters marked for removal to enable bailing out before
* sending a virtchnl message
*/
if (f->state == IAVF_VLAN_REMOVE &&
!VLAN_FILTERING_ALLOWED(adapter)) {
list_del(&f->list);
kfree(f);
adapter->num_vlan_filters--;
} else if (f->state == IAVF_VLAN_DISABLE &&
!VLAN_FILTERING_ALLOWED(adapter)) {
f->state = IAVF_VLAN_INACTIVE;
} else if (f->state == IAVF_VLAN_REMOVE ||
f->state == IAVF_VLAN_DISABLE) {
count++;
}
}
if (!count || !VLAN_FILTERING_ALLOWED(adapter)) {
adapter->aq_required &= ~IAVF_FLAG_AQ_DEL_VLAN_FILTER;
spin_unlock_bh(&adapter->mac_vlan_list_lock);
return;
}
if (VLAN_ALLOWED(adapter)) {
struct virtchnl_vlan_filter_list *vvfl;
adapter->current_op = VIRTCHNL_OP_DEL_VLAN;
len = sizeof(*vvfl) + (count * sizeof(u16));
if (len > IAVF_MAX_AQ_BUF_SIZE) {
dev_warn(&adapter->pdev->dev, "Too many delete VLAN changes in one request\n");
count = (IAVF_MAX_AQ_BUF_SIZE - sizeof(*vvfl)) /
sizeof(u16);
len = sizeof(*vvfl) + (count * sizeof(u16));
more = true;
}
vvfl = kzalloc(len, GFP_ATOMIC);
if (!vvfl) {
spin_unlock_bh(&adapter->mac_vlan_list_lock);
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->state == IAVF_VLAN_DISABLE) {
vvfl->vlan_id[i] = f->vlan.vid;
f->state = IAVF_VLAN_INACTIVE;
i++;
if (i == count)
break;
} else if (f->state == IAVF_VLAN_REMOVE) {
vvfl->vlan_id[i] = f->vlan.vid;
list_del(&f->list);
kfree(f);
adapter->num_vlan_filters--;
i++;
if (i == count)
break;
}
}
if (!more)
adapter->aq_required &= ~IAVF_FLAG_AQ_DEL_VLAN_FILTER;
spin_unlock_bh(&adapter->mac_vlan_list_lock);
iavf_send_pf_msg(adapter, VIRTCHNL_OP_DEL_VLAN, (u8 *)vvfl, len);
kfree(vvfl);
} else {
struct virtchnl_vlan_filter_list_v2 *vvfl_v2;
adapter->current_op = VIRTCHNL_OP_DEL_VLAN_V2;
len = sizeof(*vvfl_v2) +
((count - 1) * sizeof(struct virtchnl_vlan_filter));
if (len > IAVF_MAX_AQ_BUF_SIZE) {
dev_warn(&adapter->pdev->dev, "Too many add VLAN changes in one request\n");
count = (IAVF_MAX_AQ_BUF_SIZE -
sizeof(*vvfl_v2)) /
sizeof(struct virtchnl_vlan_filter);
len = sizeof(*vvfl_v2) +
((count - 1) *
sizeof(struct virtchnl_vlan_filter));
more = true;
}
vvfl_v2 = kzalloc(len, GFP_ATOMIC);
if (!vvfl_v2) {
spin_unlock_bh(&adapter->mac_vlan_list_lock);
return;
}
vvfl_v2->vport_id = adapter->vsi_res->vsi_id;
vvfl_v2->num_elements = count;
list_for_each_entry_safe(f, ftmp, &adapter->vlan_filter_list, list) {
if (f->state == IAVF_VLAN_DISABLE ||
f->state == IAVF_VLAN_REMOVE) {
struct virtchnl_vlan_supported_caps *filtering_support =
&adapter->vlan_v2_caps.filtering.filtering_support;
struct virtchnl_vlan *vlan;
/* give priority over outer if it's enabled */
if (filtering_support->outer)
vlan = &vvfl_v2->filters[i].outer;
else
vlan = &vvfl_v2->filters[i].inner;
vlan->tci = f->vlan.vid;
vlan->tpid = f->vlan.tpid;
if (f->state == IAVF_VLAN_DISABLE) {
f->state = IAVF_VLAN_INACTIVE;
} else {
list_del(&f->list);
kfree(f);
adapter->num_vlan_filters--;
}
i++;
if (i == count)
break;
}
}
if (!more)
adapter->aq_required &= ~IAVF_FLAG_AQ_DEL_VLAN_FILTER;
spin_unlock_bh(&adapter->mac_vlan_list_lock);
iavf_send_pf_msg(adapter, VIRTCHNL_OP_DEL_VLAN_V2,
(u8 *)vvfl_v2, len);
kfree(vvfl_v2);
}
}
/**
* iavf_set_promiscuous
* @adapter: adapter structure
* @flags: bitmask to control unicast/multicast promiscuous.
*
* Request that the PF enable promiscuous mode for our VSI.
**/
void iavf_set_promiscuous(struct iavf_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 |= IAVF_FLAG_PROMISC_ON;
adapter->aq_required &= ~IAVF_FLAG_AQ_REQUEST_PROMISC;
dev_info(&adapter->pdev->dev, "Entering promiscuous mode\n");
}
if (flags & FLAG_VF_MULTICAST_PROMISC) {
adapter->flags |= IAVF_FLAG_ALLMULTI_ON;
adapter->aq_required &= ~IAVF_FLAG_AQ_REQUEST_ALLMULTI;
dev_info(&adapter->pdev->dev, "%s is entering multicast promiscuous mode\n",
adapter->netdev->name);
}
if (!flags) {
if (adapter->flags & IAVF_FLAG_PROMISC_ON) {
adapter->flags &= ~IAVF_FLAG_PROMISC_ON;
adapter->aq_required &= ~IAVF_FLAG_AQ_RELEASE_PROMISC;
dev_info(&adapter->pdev->dev, "Leaving promiscuous mode\n");
}
if (adapter->flags & IAVF_FLAG_ALLMULTI_ON) {
adapter->flags &= ~IAVF_FLAG_ALLMULTI_ON;
adapter->aq_required &= ~IAVF_FLAG_AQ_RELEASE_ALLMULTI;
dev_info(&adapter->pdev->dev, "%s is leaving multicast promiscuous mode\n",
adapter->netdev->name);
}
}
adapter->current_op = VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE;
vpi.vsi_id = adapter->vsi_res->vsi_id;
vpi.flags = flags;
iavf_send_pf_msg(adapter, VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
(u8 *)&vpi, sizeof(vpi));
}
/**
* iavf_request_stats
* @adapter: adapter structure
*
* Request VSI statistics from PF.
**/
void iavf_request_stats(struct iavf_adapter *adapter)
{
struct virtchnl_queue_select vqs;
if (adapter->current_op != VIRTCHNL_OP_UNKNOWN) {
/* no error message, this isn't crucial */
return;
}
adapter->aq_required &= ~IAVF_FLAG_AQ_REQUEST_STATS;
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 (iavf_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;
}
/**
* iavf_get_hena
* @adapter: adapter structure
*
* Request hash enable capabilities from PF
**/
void iavf_get_hena(struct iavf_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 &= ~IAVF_FLAG_AQ_GET_HENA;
iavf_send_pf_msg(adapter, VIRTCHNL_OP_GET_RSS_HENA_CAPS, NULL, 0);
}
/**
* iavf_set_hena
* @adapter: adapter structure
*
* Request the PF to set our RSS hash capabilities
**/
void iavf_set_hena(struct iavf_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 &= ~IAVF_FLAG_AQ_SET_HENA;
iavf_send_pf_msg(adapter, VIRTCHNL_OP_SET_RSS_HENA, (u8 *)&vrh,
sizeof(vrh));
}
/**
* iavf_set_rss_key
* @adapter: adapter structure
*
* Request the PF to set our RSS hash key
**/
void iavf_set_rss_key(struct iavf_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 &= ~IAVF_FLAG_AQ_SET_RSS_KEY;
iavf_send_pf_msg(adapter, VIRTCHNL_OP_CONFIG_RSS_KEY, (u8 *)vrk, len);
kfree(vrk);
}
/**
* iavf_set_rss_lut
* @adapter: adapter structure
*
* Request the PF to set our RSS lookup table
**/
void iavf_set_rss_lut(struct iavf_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 &= ~IAVF_FLAG_AQ_SET_RSS_LUT;
iavf_send_pf_msg(adapter, VIRTCHNL_OP_CONFIG_RSS_LUT, (u8 *)vrl, len);
kfree(vrl);
}
/**
* iavf_enable_vlan_stripping
* @adapter: adapter structure
*
* Request VLAN header stripping to be enabled
**/
void iavf_enable_vlan_stripping(struct iavf_adapter *adapter)
{
if (adapter->current_op != VIRTCHNL_OP_UNKNOWN) {
/* bail because we already have a command pending */
dev_err(&adapter->pdev->dev, "Cannot enable stripping, command %d pending\n",
adapter->current_op);
return;
}
adapter->current_op = VIRTCHNL_OP_ENABLE_VLAN_STRIPPING;
adapter->aq_required &= ~IAVF_FLAG_AQ_ENABLE_VLAN_STRIPPING;
iavf_send_pf_msg(adapter, VIRTCHNL_OP_ENABLE_VLAN_STRIPPING, NULL, 0);
}
/**
* iavf_disable_vlan_stripping
* @adapter: adapter structure
*
* Request VLAN header stripping to be disabled
**/
void iavf_disable_vlan_stripping(struct iavf_adapter *adapter)
{
if (adapter->current_op != VIRTCHNL_OP_UNKNOWN) {
/* bail because we already have a command pending */
dev_err(&adapter->pdev->dev, "Cannot disable stripping, command %d pending\n",
adapter->current_op);
return;
}
adapter->current_op = VIRTCHNL_OP_DISABLE_VLAN_STRIPPING;
adapter->aq_required &= ~IAVF_FLAG_AQ_DISABLE_VLAN_STRIPPING;
iavf_send_pf_msg(adapter, VIRTCHNL_OP_DISABLE_VLAN_STRIPPING, NULL, 0);
}
/**
* iavf_tpid_to_vc_ethertype - transform from VLAN TPID to virtchnl ethertype
* @tpid: VLAN TPID (i.e. 0x8100, 0x88a8, etc.)
*/
static u32 iavf_tpid_to_vc_ethertype(u16 tpid)
{
switch (tpid) {
case ETH_P_8021Q:
return VIRTCHNL_VLAN_ETHERTYPE_8100;
case ETH_P_8021AD:
return VIRTCHNL_VLAN_ETHERTYPE_88A8;
}
return 0;
}
/**
* iavf_set_vc_offload_ethertype - set virtchnl ethertype for offload message
* @adapter: adapter structure
* @msg: message structure used for updating offloads over virtchnl to update
* @tpid: VLAN TPID (i.e. 0x8100, 0x88a8, etc.)
* @offload_op: opcode used to determine which support structure to check
*/
static int
iavf_set_vc_offload_ethertype(struct iavf_adapter *adapter,
struct virtchnl_vlan_setting *msg, u16 tpid,
enum virtchnl_ops offload_op)
{
struct virtchnl_vlan_supported_caps *offload_support;
u16 vc_ethertype = iavf_tpid_to_vc_ethertype(tpid);
/* reference the correct offload support structure */
switch (offload_op) {
case VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2:
case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING_V2:
offload_support =
&adapter->vlan_v2_caps.offloads.stripping_support;
break;
case VIRTCHNL_OP_ENABLE_VLAN_INSERTION_V2:
case VIRTCHNL_OP_DISABLE_VLAN_INSERTION_V2:
offload_support =
&adapter->vlan_v2_caps.offloads.insertion_support;
break;
default:
dev_err(&adapter->pdev->dev, "Invalid opcode %d for setting virtchnl ethertype to enable/disable VLAN offloads\n",
offload_op);
return -EINVAL;
}
/* make sure ethertype is supported */
if (offload_support->outer & vc_ethertype &&
offload_support->outer & VIRTCHNL_VLAN_TOGGLE) {
msg->outer_ethertype_setting = vc_ethertype;
} else if (offload_support->inner & vc_ethertype &&
offload_support->inner & VIRTCHNL_VLAN_TOGGLE) {
msg->inner_ethertype_setting = vc_ethertype;
} else {
dev_dbg(&adapter->pdev->dev, "opcode %d unsupported for VLAN TPID 0x%04x\n",
offload_op, tpid);
return -EINVAL;
}
return 0;
}
/**
* iavf_clear_offload_v2_aq_required - clear AQ required bit for offload request
* @adapter: adapter structure
* @tpid: VLAN TPID
* @offload_op: opcode used to determine which AQ required bit to clear
*/
static void
iavf_clear_offload_v2_aq_required(struct iavf_adapter *adapter, u16 tpid,
enum virtchnl_ops offload_op)
{
switch (offload_op) {
case VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2:
if (tpid == ETH_P_8021Q)
adapter->aq_required &=
~IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_STRIPPING;
else if (tpid == ETH_P_8021AD)
adapter->aq_required &=
~IAVF_FLAG_AQ_ENABLE_STAG_VLAN_STRIPPING;
break;
case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING_V2:
if (tpid == ETH_P_8021Q)
adapter->aq_required &=
~IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_STRIPPING;
else if (tpid == ETH_P_8021AD)
adapter->aq_required &=
~IAVF_FLAG_AQ_DISABLE_STAG_VLAN_STRIPPING;
break;
case VIRTCHNL_OP_ENABLE_VLAN_INSERTION_V2:
if (tpid == ETH_P_8021Q)
adapter->aq_required &=
~IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_INSERTION;
else if (tpid == ETH_P_8021AD)
adapter->aq_required &=
~IAVF_FLAG_AQ_ENABLE_STAG_VLAN_INSERTION;
break;
case VIRTCHNL_OP_DISABLE_VLAN_INSERTION_V2:
if (tpid == ETH_P_8021Q)
adapter->aq_required &=
~IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_INSERTION;
else if (tpid == ETH_P_8021AD)
adapter->aq_required &=
~IAVF_FLAG_AQ_DISABLE_STAG_VLAN_INSERTION;
break;
default:
dev_err(&adapter->pdev->dev, "Unsupported opcode %d specified for clearing aq_required bits for VIRTCHNL_VF_OFFLOAD_VLAN_V2 offload request\n",
offload_op);
}
}
/**
* iavf_send_vlan_offload_v2 - send offload enable/disable over virtchnl
* @adapter: adapter structure
* @tpid: VLAN TPID used for the command (i.e. 0x8100 or 0x88a8)
* @offload_op: offload_op used to make the request over virtchnl
*/
static void
iavf_send_vlan_offload_v2(struct iavf_adapter *adapter, u16 tpid,
enum virtchnl_ops offload_op)
{
struct virtchnl_vlan_setting *msg;
int len = sizeof(*msg);
if (adapter->current_op != VIRTCHNL_OP_UNKNOWN) {
/* bail because we already have a command pending */
dev_err(&adapter->pdev->dev, "Cannot send %d, command %d pending\n",
offload_op, adapter->current_op);
return;
}
adapter->current_op = offload_op;
msg = kzalloc(len, GFP_KERNEL);
if (!msg)
return;
msg->vport_id = adapter->vsi_res->vsi_id;
/* always clear to prevent unsupported and endless requests */
iavf_clear_offload_v2_aq_required(adapter, tpid, offload_op);
/* only send valid offload requests */
if (!iavf_set_vc_offload_ethertype(adapter, msg, tpid, offload_op))
iavf_send_pf_msg(adapter, offload_op, (u8 *)msg, len);
else
adapter->current_op = VIRTCHNL_OP_UNKNOWN;
kfree(msg);
}
/**
* iavf_enable_vlan_stripping_v2 - enable VLAN stripping
* @adapter: adapter structure
* @tpid: VLAN TPID used to enable VLAN stripping
*/
void iavf_enable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid)
{
iavf_send_vlan_offload_v2(adapter, tpid,
VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2);
}
/**
* iavf_disable_vlan_stripping_v2 - disable VLAN stripping
* @adapter: adapter structure
* @tpid: VLAN TPID used to disable VLAN stripping
*/
void iavf_disable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid)
{
iavf_send_vlan_offload_v2(adapter, tpid,
VIRTCHNL_OP_DISABLE_VLAN_STRIPPING_V2);
}
/**
* iavf_enable_vlan_insertion_v2 - enable VLAN insertion
* @adapter: adapter structure
* @tpid: VLAN TPID used to enable VLAN insertion
*/
void iavf_enable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid)
{
iavf_send_vlan_offload_v2(adapter, tpid,
VIRTCHNL_OP_ENABLE_VLAN_INSERTION_V2);
}
/**
* iavf_disable_vlan_insertion_v2 - disable VLAN insertion
* @adapter: adapter structure
* @tpid: VLAN TPID used to disable VLAN insertion
*/
void iavf_disable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid)
{
iavf_send_vlan_offload_v2(adapter, tpid,
VIRTCHNL_OP_DISABLE_VLAN_INSERTION_V2);
}
#define IAVF_MAX_SPEED_STRLEN 13
/**
* iavf_print_link_message - print link up or down
* @adapter: adapter structure
*
* Log a message telling the world of our wonderous link status
*/
static void iavf_print_link_message(struct iavf_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
int link_speed_mbps;
char *speed;
if (!adapter->link_up) {
netdev_info(netdev, "NIC Link is Down\n");
return;
}
speed = kzalloc(IAVF_MAX_SPEED_STRLEN, GFP_KERNEL);
if (!speed)
return;
if (ADV_LINK_SUPPORT(adapter)) {
link_speed_mbps = adapter->link_speed_mbps;
goto print_link_msg;
}
switch (adapter->link_speed) {
case VIRTCHNL_LINK_SPEED_40GB:
link_speed_mbps = SPEED_40000;
break;
case VIRTCHNL_LINK_SPEED_25GB:
link_speed_mbps = SPEED_25000;
break;
case VIRTCHNL_LINK_SPEED_20GB:
link_speed_mbps = SPEED_20000;
break;
case VIRTCHNL_LINK_SPEED_10GB:
link_speed_mbps = SPEED_10000;
break;
case VIRTCHNL_LINK_SPEED_5GB:
link_speed_mbps = SPEED_5000;
break;
case VIRTCHNL_LINK_SPEED_2_5GB:
link_speed_mbps = SPEED_2500;
break;
case VIRTCHNL_LINK_SPEED_1GB:
link_speed_mbps = SPEED_1000;
break;
case VIRTCHNL_LINK_SPEED_100MB:
link_speed_mbps = SPEED_100;
break;
default:
link_speed_mbps = SPEED_UNKNOWN;
break;
}
print_link_msg:
if (link_speed_mbps > SPEED_1000) {
if (link_speed_mbps == SPEED_2500)
snprintf(speed, IAVF_MAX_SPEED_STRLEN, "2.5 Gbps");
else
/* convert to Gbps inline */
snprintf(speed, IAVF_MAX_SPEED_STRLEN, "%d %s",
link_speed_mbps / 1000, "Gbps");
} else if (link_speed_mbps == SPEED_UNKNOWN) {
snprintf(speed, IAVF_MAX_SPEED_STRLEN, "%s", "Unknown Mbps");
} else {
snprintf(speed, IAVF_MAX_SPEED_STRLEN, "%d %s",
link_speed_mbps, "Mbps");
}
netdev_info(netdev, "NIC Link is Up Speed is %s Full Duplex\n", speed);
kfree(speed);
}
/**
* iavf_get_vpe_link_status
* @adapter: adapter structure
* @vpe: virtchnl_pf_event structure
*
* Helper function for determining the link status
**/
static bool
iavf_get_vpe_link_status(struct iavf_adapter *adapter,
struct virtchnl_pf_event *vpe)
{
if (ADV_LINK_SUPPORT(adapter))
return vpe->event_data.link_event_adv.link_status;
else
return vpe->event_data.link_event.link_status;
}
/**
* iavf_set_adapter_link_speed_from_vpe
* @adapter: adapter structure for which we are setting the link speed
* @vpe: virtchnl_pf_event structure that contains the link speed we are setting
*
* Helper function for setting iavf_adapter link speed
**/
static void
iavf_set_adapter_link_speed_from_vpe(struct iavf_adapter *adapter,
struct virtchnl_pf_event *vpe)
{
if (ADV_LINK_SUPPORT(adapter))
adapter->link_speed_mbps =
vpe->event_data.link_event_adv.link_speed;
else
adapter->link_speed = vpe->event_data.link_event.link_speed;
}
/**
* iavf_enable_channels
* @adapter: adapter structure
*
* Request that the PF enable channels as specified by
* the user via tc tool.
**/
void iavf_enable_channels(struct iavf_adapter *adapter)
{
struct virtchnl_tc_info *vti = NULL;
size_t len;
int i;
if (adapter->current_op != VIRTCHNL_OP_UNKNOWN) {
/* bail because we already have a command pending */
dev_err(&adapter->pdev->dev, "Cannot configure mqprio, command %d pending\n",
adapter->current_op);
return;
}
len = struct_size(vti, list, adapter->num_tc - 1);
vti = kzalloc(len, GFP_KERNEL);
if (!vti)
return;
vti->num_tc = adapter->num_tc;
for (i = 0; i < vti->num_tc; i++) {
vti->list[i].count = adapter->ch_config.ch_info[i].count;
vti->list[i].offset = adapter->ch_config.ch_info[i].offset;
vti->list[i].pad = 0;
vti->list[i].max_tx_rate =
adapter->ch_config.ch_info[i].max_tx_rate;
}
adapter->ch_config.state = __IAVF_TC_RUNNING;
adapter->flags |= IAVF_FLAG_REINIT_ITR_NEEDED;
adapter->current_op = VIRTCHNL_OP_ENABLE_CHANNELS;
adapter->aq_required &= ~IAVF_FLAG_AQ_ENABLE_CHANNELS;
iavf_send_pf_msg(adapter, VIRTCHNL_OP_ENABLE_CHANNELS, (u8 *)vti, len);
kfree(vti);
}
/**
* iavf_disable_channels
* @adapter: adapter structure
*
* Request that the PF disable channels that are configured
**/
void iavf_disable_channels(struct iavf_adapter *adapter)
{
if (adapter->current_op != VIRTCHNL_OP_UNKNOWN) {
/* bail because we already have a command pending */
dev_err(&adapter->pdev->dev, "Cannot configure mqprio, command %d pending\n",
adapter->current_op);
return;
}
adapter->ch_config.state = __IAVF_TC_INVALID;
adapter->flags |= IAVF_FLAG_REINIT_ITR_NEEDED;
adapter->current_op = VIRTCHNL_OP_DISABLE_CHANNELS;
adapter->aq_required &= ~IAVF_FLAG_AQ_DISABLE_CHANNELS;
iavf_send_pf_msg(adapter, VIRTCHNL_OP_DISABLE_CHANNELS, NULL, 0);
}
/**
* iavf_print_cloud_filter
* @adapter: adapter structure
* @f: cloud filter to print
*
* Print the cloud filter
**/
static void iavf_print_cloud_filter(struct iavf_adapter *adapter,
struct virtchnl_filter *f)
{
switch (f->flow_type) {
case VIRTCHNL_TCP_V4_FLOW:
dev_info(&adapter->pdev->dev, "dst_mac: %pM src_mac: %pM vlan_id: %hu dst_ip: %pI4 src_ip %pI4 dst_port %hu src_port %hu\n",
&f->data.tcp_spec.dst_mac,
&f->data.tcp_spec.src_mac,
ntohs(f->data.tcp_spec.vlan_id),
&f->data.tcp_spec.dst_ip[0],
&f->data.tcp_spec.src_ip[0],
ntohs(f->data.tcp_spec.dst_port),
ntohs(f->data.tcp_spec.src_port));
break;
case VIRTCHNL_TCP_V6_FLOW:
dev_info(&adapter->pdev->dev, "dst_mac: %pM src_mac: %pM vlan_id: %hu dst_ip: %pI6 src_ip %pI6 dst_port %hu src_port %hu\n",
&f->data.tcp_spec.dst_mac,
&f->data.tcp_spec.src_mac,
ntohs(f->data.tcp_spec.vlan_id),
&f->data.tcp_spec.dst_ip,
&f->data.tcp_spec.src_ip,
ntohs(f->data.tcp_spec.dst_port),
ntohs(f->data.tcp_spec.src_port));
break;
}
}
/**
* iavf_add_cloud_filter
* @adapter: adapter structure
*
* Request that the PF add cloud filters as specified
* by the user via tc tool.
**/
void iavf_add_cloud_filter(struct iavf_adapter *adapter)
{
struct iavf_cloud_filter *cf;
struct virtchnl_filter *f;
int len = 0, count = 0;
if (adapter->current_op != VIRTCHNL_OP_UNKNOWN) {
/* bail because we already have a command pending */
dev_err(&adapter->pdev->dev, "Cannot add cloud filter, command %d pending\n",
adapter->current_op);
return;
}
list_for_each_entry(cf, &adapter->cloud_filter_list, list) {
if (cf->add) {
count++;
break;
}
}
if (!count) {
adapter->aq_required &= ~IAVF_FLAG_AQ_ADD_CLOUD_FILTER;
return;
}
adapter->current_op = VIRTCHNL_OP_ADD_CLOUD_FILTER;
len = sizeof(struct virtchnl_filter);
f = kzalloc(len, GFP_KERNEL);
if (!f)
return;
list_for_each_entry(cf, &adapter->cloud_filter_list, list) {
if (cf->add) {
memcpy(f, &cf->f, sizeof(struct virtchnl_filter));
cf->add = false;
cf->state = __IAVF_CF_ADD_PENDING;
iavf_send_pf_msg(adapter, VIRTCHNL_OP_ADD_CLOUD_FILTER,
(u8 *)f, len);
}
}
kfree(f);
}
/**
* iavf_del_cloud_filter
* @adapter: adapter structure
*
* Request that the PF delete cloud filters as specified
* by the user via tc tool.
**/
void iavf_del_cloud_filter(struct iavf_adapter *adapter)
{
struct iavf_cloud_filter *cf, *cftmp;
struct virtchnl_filter *f;
int len = 0, count = 0;
if (adapter->current_op != VIRTCHNL_OP_UNKNOWN) {
/* bail because we already have a command pending */
dev_err(&adapter->pdev->dev, "Cannot remove cloud filter, command %d pending\n",
adapter->current_op);
return;
}
list_for_each_entry(cf, &adapter->cloud_filter_list, list) {
if (cf->del) {
count++;
break;
}
}
if (!count) {
adapter->aq_required &= ~IAVF_FLAG_AQ_DEL_CLOUD_FILTER;
return;
}
adapter->current_op = VIRTCHNL_OP_DEL_CLOUD_FILTER;
len = sizeof(struct virtchnl_filter);
f = kzalloc(len, GFP_KERNEL);
if (!f)
return;
list_for_each_entry_safe(cf, cftmp, &adapter->cloud_filter_list, list) {
if (cf->del) {
memcpy(f, &cf->f, sizeof(struct virtchnl_filter));
cf->del = false;
cf->state = __IAVF_CF_DEL_PENDING;
iavf_send_pf_msg(adapter, VIRTCHNL_OP_DEL_CLOUD_FILTER,
(u8 *)f, len);
}
}
kfree(f);
}
/**
* iavf_add_fdir_filter
* @adapter: the VF adapter structure
*
* Request that the PF add Flow Director filters as specified
* by the user via ethtool.
**/
void iavf_add_fdir_filter(struct iavf_adapter *adapter)
{
struct iavf_fdir_fltr *fdir;
struct virtchnl_fdir_add *f;
bool process_fltr = false;
int len;
if (adapter->current_op != VIRTCHNL_OP_UNKNOWN) {
/* bail because we already have a command pending */
dev_err(&adapter->pdev->dev, "Cannot add Flow Director filter, command %d pending\n",
adapter->current_op);
return;
}
len = sizeof(struct virtchnl_fdir_add);
f = kzalloc(len, GFP_KERNEL);
if (!f)
return;
spin_lock_bh(&adapter->fdir_fltr_lock);
list_for_each_entry(fdir, &adapter->fdir_list_head, list) {
if (fdir->state == IAVF_FDIR_FLTR_ADD_REQUEST) {
process_fltr = true;
fdir->state = IAVF_FDIR_FLTR_ADD_PENDING;
memcpy(f, &fdir->vc_add_msg, len);
break;
}
}
spin_unlock_bh(&adapter->fdir_fltr_lock);
if (!process_fltr) {
/* prevent iavf_add_fdir_filter() from being called when there
* are no filters to add
*/
adapter->aq_required &= ~IAVF_FLAG_AQ_ADD_FDIR_FILTER;
kfree(f);
return;
}
adapter->current_op = VIRTCHNL_OP_ADD_FDIR_FILTER;
iavf_send_pf_msg(adapter, VIRTCHNL_OP_ADD_FDIR_FILTER, (u8 *)f, len);
kfree(f);
}
/**
* iavf_del_fdir_filter
* @adapter: the VF adapter structure
*
* Request that the PF delete Flow Director filters as specified
* by the user via ethtool.
**/
void iavf_del_fdir_filter(struct iavf_adapter *adapter)
{
struct iavf_fdir_fltr *fdir;
struct virtchnl_fdir_del f;
bool process_fltr = false;
int len;
if (adapter->current_op != VIRTCHNL_OP_UNKNOWN) {
/* bail because we already have a command pending */
dev_err(&adapter->pdev->dev, "Cannot remove Flow Director filter, command %d pending\n",
adapter->current_op);
return;
}
len = sizeof(struct virtchnl_fdir_del);
spin_lock_bh(&adapter->fdir_fltr_lock);
list_for_each_entry(fdir, &adapter->fdir_list_head, list) {
if (fdir->state == IAVF_FDIR_FLTR_DEL_REQUEST) {
process_fltr = true;
memset(&f, 0, len);
f.vsi_id = fdir->vc_add_msg.vsi_id;
f.flow_id = fdir->flow_id;
fdir->state = IAVF_FDIR_FLTR_DEL_PENDING;
break;
}
}
spin_unlock_bh(&adapter->fdir_fltr_lock);
if (!process_fltr) {
adapter->aq_required &= ~IAVF_FLAG_AQ_DEL_FDIR_FILTER;
return;
}
adapter->current_op = VIRTCHNL_OP_DEL_FDIR_FILTER;
iavf_send_pf_msg(adapter, VIRTCHNL_OP_DEL_FDIR_FILTER, (u8 *)&f, len);
}
/**
* iavf_add_adv_rss_cfg
* @adapter: the VF adapter structure
*
* Request that the PF add RSS configuration as specified
* by the user via ethtool.
**/
void iavf_add_adv_rss_cfg(struct iavf_adapter *adapter)
{
struct virtchnl_rss_cfg *rss_cfg;
struct iavf_adv_rss *rss;
bool process_rss = false;
int len;
if (adapter->current_op != VIRTCHNL_OP_UNKNOWN) {
/* bail because we already have a command pending */
dev_err(&adapter->pdev->dev, "Cannot add RSS configuration, command %d pending\n",
adapter->current_op);
return;
}
len = sizeof(struct virtchnl_rss_cfg);
rss_cfg = kzalloc(len, GFP_KERNEL);
if (!rss_cfg)
return;
spin_lock_bh(&adapter->adv_rss_lock);
list_for_each_entry(rss, &adapter->adv_rss_list_head, list) {
if (rss->state == IAVF_ADV_RSS_ADD_REQUEST) {
process_rss = true;
rss->state = IAVF_ADV_RSS_ADD_PENDING;
memcpy(rss_cfg, &rss->cfg_msg, len);
iavf_print_adv_rss_cfg(adapter, rss,
"Input set change for",
"is pending");
break;
}
}
spin_unlock_bh(&adapter->adv_rss_lock);
if (process_rss) {
adapter->current_op = VIRTCHNL_OP_ADD_RSS_CFG;
iavf_send_pf_msg(adapter, VIRTCHNL_OP_ADD_RSS_CFG,
(u8 *)rss_cfg, len);
} else {
adapter->aq_required &= ~IAVF_FLAG_AQ_ADD_ADV_RSS_CFG;
}
kfree(rss_cfg);
}
/**
* iavf_del_adv_rss_cfg
* @adapter: the VF adapter structure
*
* Request that the PF delete RSS configuration as specified
* by the user via ethtool.
**/
void iavf_del_adv_rss_cfg(struct iavf_adapter *adapter)
{
struct virtchnl_rss_cfg *rss_cfg;
struct iavf_adv_rss *rss;
bool process_rss = false;
int len;
if (adapter->current_op != VIRTCHNL_OP_UNKNOWN) {
/* bail because we already have a command pending */
dev_err(&adapter->pdev->dev, "Cannot remove RSS configuration, command %d pending\n",
adapter->current_op);
return;
}
len = sizeof(struct virtchnl_rss_cfg);
rss_cfg = kzalloc(len, GFP_KERNEL);
if (!rss_cfg)
return;
spin_lock_bh(&adapter->adv_rss_lock);
list_for_each_entry(rss, &adapter->adv_rss_list_head, list) {
if (rss->state == IAVF_ADV_RSS_DEL_REQUEST) {
process_rss = true;
rss->state = IAVF_ADV_RSS_DEL_PENDING;
memcpy(rss_cfg, &rss->cfg_msg, len);
break;
}
}
spin_unlock_bh(&adapter->adv_rss_lock);
if (process_rss) {
adapter->current_op = VIRTCHNL_OP_DEL_RSS_CFG;
iavf_send_pf_msg(adapter, VIRTCHNL_OP_DEL_RSS_CFG,
(u8 *)rss_cfg, len);
} else {
adapter->aq_required &= ~IAVF_FLAG_AQ_DEL_ADV_RSS_CFG;
}
kfree(rss_cfg);
}
/**
* iavf_request_reset
* @adapter: adapter structure
*
* Request that the PF reset this VF. No response is expected.
**/
int iavf_request_reset(struct iavf_adapter *adapter)
{
int err;
/* Don't check CURRENT_OP - this is always higher priority */
err = iavf_send_pf_msg(adapter, VIRTCHNL_OP_RESET_VF, NULL, 0);
adapter->current_op = VIRTCHNL_OP_UNKNOWN;
return err;
}
/**
* iavf_netdev_features_vlan_strip_set - update vlan strip status
* @netdev: ptr to netdev being adjusted
* @enable: enable or disable vlan strip
*
* Helper function to change vlan strip status in netdev->features.
*/
static void iavf_netdev_features_vlan_strip_set(struct net_device *netdev,
const bool enable)
{
if (enable)
netdev->features |= NETIF_F_HW_VLAN_CTAG_RX;
else
netdev->features &= ~NETIF_F_HW_VLAN_CTAG_RX;
}
/**
* iavf_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 iavf_virtchnl_completion(struct iavf_adapter *adapter,
enum virtchnl_ops v_opcode,
enum iavf_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;
bool link_up = iavf_get_vpe_link_status(adapter, vpe);
switch (vpe->event) {
case VIRTCHNL_EVENT_LINK_CHANGE:
iavf_set_adapter_link_speed_from_vpe(adapter, vpe);
/* we've already got the right link status, bail */
if (adapter->link_up == link_up)
break;
if (link_up) {
/* If we get link up message and start queues
* before our queues are configured it will
* trigger a TX hang. In that case, just ignore
* the link status message,we'll get another one
* after we enable queues and actually prepared
* to send traffic.
*/
if (adapter->state != __IAVF_RUNNING)
break;
/* For ADq enabled VF, we reconfigure VSIs and
* re-allocate queues. Hence wait till all
* queues are enabled.
*/
if (adapter->flags &
IAVF_FLAG_QUEUES_DISABLED)
break;
}
adapter->link_up = link_up;
if (link_up) {
netif_tx_start_all_queues(netdev);
netif_carrier_on(netdev);
} else {
netif_tx_stop_all_queues(netdev);
netif_carrier_off(netdev);
}
iavf_print_link_message(adapter);
break;
case VIRTCHNL_EVENT_RESET_IMPENDING:
dev_info(&adapter->pdev->dev, "Reset indication received from the PF\n");
if (!(adapter->flags & IAVF_FLAG_RESET_PENDING)) {
adapter->flags |= IAVF_FLAG_RESET_PENDING;
dev_info(&adapter->pdev->dev, "Scheduling reset task\n");
queue_work(adapter->wq, &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",
iavf_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",
iavf_stat_str(&adapter->hw, v_retval));
iavf_mac_add_reject(adapter);
/* restore administratively set MAC address */
ether_addr_copy(adapter->hw.mac.addr, netdev->dev_addr);
wake_up(&adapter->vc_waitqueue);
break;
case VIRTCHNL_OP_DEL_VLAN:
dev_err(&adapter->pdev->dev, "Failed to delete VLAN filter, error %s\n",
iavf_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",
iavf_stat_str(&adapter->hw, v_retval));
break;
case VIRTCHNL_OP_ENABLE_CHANNELS:
dev_err(&adapter->pdev->dev, "Failed to configure queue channels, error %s\n",
iavf_stat_str(&adapter->hw, v_retval));
adapter->flags &= ~IAVF_FLAG_REINIT_ITR_NEEDED;
adapter->ch_config.state = __IAVF_TC_INVALID;
netdev_reset_tc(netdev);
netif_tx_start_all_queues(netdev);
break;
case VIRTCHNL_OP_DISABLE_CHANNELS:
dev_err(&adapter->pdev->dev, "Failed to disable queue channels, error %s\n",
iavf_stat_str(&adapter->hw, v_retval));
adapter->flags &= ~IAVF_FLAG_REINIT_ITR_NEEDED;
adapter->ch_config.state = __IAVF_TC_RUNNING;
netif_tx_start_all_queues(netdev);
break;
case VIRTCHNL_OP_ADD_CLOUD_FILTER: {
struct iavf_cloud_filter *cf, *cftmp;
list_for_each_entry_safe(cf, cftmp,
&adapter->cloud_filter_list,
list) {
if (cf->state == __IAVF_CF_ADD_PENDING) {
cf->state = __IAVF_CF_INVALID;
dev_info(&adapter->pdev->dev, "Failed to add cloud filter, error %s\n",
iavf_stat_str(&adapter->hw,
v_retval));
iavf_print_cloud_filter(adapter,
&cf->f);
list_del(&cf->list);
kfree(cf);
adapter->num_cloud_filters--;
}
}
}
break;
case VIRTCHNL_OP_DEL_CLOUD_FILTER: {
struct iavf_cloud_filter *cf;
list_for_each_entry(cf, &adapter->cloud_filter_list,
list) {
if (cf->state == __IAVF_CF_DEL_PENDING) {
cf->state = __IAVF_CF_ACTIVE;
dev_info(&adapter->pdev->dev, "Failed to del cloud filter, error %s\n",
iavf_stat_str(&adapter->hw,
v_retval));
iavf_print_cloud_filter(adapter,
&cf->f);
}
}
}
break;
case VIRTCHNL_OP_ADD_FDIR_FILTER: {
struct iavf_fdir_fltr *fdir, *fdir_tmp;
spin_lock_bh(&adapter->fdir_fltr_lock);
list_for_each_entry_safe(fdir, fdir_tmp,
&adapter->fdir_list_head,
list) {
if (fdir->state == IAVF_FDIR_FLTR_ADD_PENDING) {
dev_info(&adapter->pdev->dev, "Failed to add Flow Director filter, error %s\n",
iavf_stat_str(&adapter->hw,
v_retval));
iavf_print_fdir_fltr(adapter, fdir);
if (msglen)
dev_err(&adapter->pdev->dev,
"%s\n", msg);
list_del(&fdir->list);
kfree(fdir);
adapter->fdir_active_fltr--;
}
}
spin_unlock_bh(&adapter->fdir_fltr_lock);
}
break;
case VIRTCHNL_OP_DEL_FDIR_FILTER: {
struct iavf_fdir_fltr *fdir;
spin_lock_bh(&adapter->fdir_fltr_lock);
list_for_each_entry(fdir, &adapter->fdir_list_head,
list) {
if (fdir->state == IAVF_FDIR_FLTR_DEL_PENDING) {
fdir->state = IAVF_FDIR_FLTR_ACTIVE;
dev_info(&adapter->pdev->dev, "Failed to del Flow Director filter, error %s\n",
iavf_stat_str(&adapter->hw,
v_retval));
iavf_print_fdir_fltr(adapter, fdir);
}
}
spin_unlock_bh(&adapter->fdir_fltr_lock);
}
break;
case VIRTCHNL_OP_ADD_RSS_CFG: {
struct iavf_adv_rss *rss, *rss_tmp;
spin_lock_bh(&adapter->adv_rss_lock);
list_for_each_entry_safe(rss, rss_tmp,
&adapter->adv_rss_list_head,
list) {
if (rss->state == IAVF_ADV_RSS_ADD_PENDING) {
iavf_print_adv_rss_cfg(adapter, rss,
"Failed to change the input set for",
NULL);
list_del(&rss->list);
kfree(rss);
}
}
spin_unlock_bh(&adapter->adv_rss_lock);
}
break;
case VIRTCHNL_OP_DEL_RSS_CFG: {
struct iavf_adv_rss *rss;
spin_lock_bh(&adapter->adv_rss_lock);
list_for_each_entry(rss, &adapter->adv_rss_list_head,
list) {
if (rss->state == IAVF_ADV_RSS_DEL_PENDING) {
rss->state = IAVF_ADV_RSS_ACTIVE;
dev_err(&adapter->pdev->dev, "Failed to delete RSS configuration, error %s\n",
iavf_stat_str(&adapter->hw,
v_retval));
}
}
spin_unlock_bh(&adapter->adv_rss_lock);
}
break;
case VIRTCHNL_OP_ENABLE_VLAN_STRIPPING:
dev_warn(&adapter->pdev->dev, "Changing VLAN Stripping is not allowed when Port VLAN is configured\n");
/* Vlan stripping could not be enabled by ethtool.
* Disable it in netdev->features.
*/
iavf_netdev_features_vlan_strip_set(netdev, false);
break;
case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING:
dev_warn(&adapter->pdev->dev, "Changing VLAN Stripping is not allowed when Port VLAN is configured\n");
/* Vlan stripping could not be disabled by ethtool.
* Enable it in netdev->features.
*/
iavf_netdev_features_vlan_strip_set(netdev, true);
break;
case VIRTCHNL_OP_ADD_VLAN_V2:
iavf_vlan_add_reject(adapter);
dev_warn(&adapter->pdev->dev, "Failed to add VLAN filter, error %s\n",
iavf_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, iavf_stat_str(&adapter->hw, v_retval),
v_opcode);
}
}
switch (v_opcode) {
case VIRTCHNL_OP_ADD_ETH_ADDR:
if (!v_retval)
iavf_mac_add_ok(adapter);
if (!ether_addr_equal(netdev->dev_addr, adapter->hw.mac.addr))
if (!ether_addr_equal(netdev->dev_addr,
adapter->hw.mac.addr)) {
netif_addr_lock_bh(netdev);
eth_hw_addr_set(netdev, adapter->hw.mac.addr);
netif_addr_unlock_bh(netdev);
}
wake_up(&adapter->vc_waitqueue);
break;
case VIRTCHNL_OP_GET_STATS: {
struct iavf_eth_stats *stats =
(struct iavf_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) +
IAVF_MAX_VF_VSI *
sizeof(struct virtchnl_vsi_resource);
memcpy(adapter->vf_res, msg, min(msglen, len));
iavf_validate_num_queues(adapter);
iavf_vf_parse_hw_config(&adapter->hw, adapter->vf_res);
if (is_zero_ether_addr(adapter->hw.mac.addr)) {
/* restore current mac address */
ether_addr_copy(adapter->hw.mac.addr, netdev->dev_addr);
} else {
netif_addr_lock_bh(netdev);
/* refresh current mac address if changed */
ether_addr_copy(netdev->perm_addr,
adapter->hw.mac.addr);
netif_addr_unlock_bh(netdev);
}
spin_lock_bh(&adapter->mac_vlan_list_lock);
iavf_add_filter(adapter, adapter->hw.mac.addr);
if (VLAN_ALLOWED(adapter)) {
if (!list_empty(&adapter->vlan_filter_list)) {
struct iavf_vlan_filter *vlf;
/* re-add all VLAN filters over virtchnl */
list_for_each_entry(vlf,
&adapter->vlan_filter_list,
list)
vlf->state = IAVF_VLAN_ADD;
adapter->aq_required |=
IAVF_FLAG_AQ_ADD_VLAN_FILTER;
}
}
spin_unlock_bh(&adapter->mac_vlan_list_lock);
iavf_parse_vf_resource_msg(adapter);
/* negotiated VIRTCHNL_VF_OFFLOAD_VLAN_V2, so wait for the
* response to VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS to finish
* configuration
*/
if (VLAN_V2_ALLOWED(adapter))
break;
/* fallthrough and finish config if VIRTCHNL_VF_OFFLOAD_VLAN_V2
* wasn't successfully negotiated with the PF
*/
}
fallthrough;
case VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS: {
struct iavf_mac_filter *f;
bool was_mac_changed;
u64 aq_required = 0;
if (v_opcode == VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS)
memcpy(&adapter->vlan_v2_caps, msg,
min_t(u16, msglen,
sizeof(adapter->vlan_v2_caps)));
iavf_process_config(adapter);
adapter->flags |= IAVF_FLAG_SETUP_NETDEV_FEATURES;
iavf_set_queue_vlan_tag_loc(adapter);
was_mac_changed = !ether_addr_equal(netdev->dev_addr,
adapter->hw.mac.addr);
spin_lock_bh(&adapter->mac_vlan_list_lock);
/* re-add all MAC filters */
list_for_each_entry(f, &adapter->mac_filter_list, list) {
if (was_mac_changed &&
ether_addr_equal(netdev->dev_addr, f->macaddr))
ether_addr_copy(f->macaddr,
adapter->hw.mac.addr);
f->is_new_mac = true;
f->add = true;
f->add_handled = false;
f->remove = false;
}
/* re-add all VLAN filters */
if (VLAN_FILTERING_ALLOWED(adapter)) {
struct iavf_vlan_filter *vlf;
if (!list_empty(&adapter->vlan_filter_list)) {
list_for_each_entry(vlf,
&adapter->vlan_filter_list,
list)
vlf->state = IAVF_VLAN_ADD;
aq_required |= IAVF_FLAG_AQ_ADD_VLAN_FILTER;
}
}
spin_unlock_bh(&adapter->mac_vlan_list_lock);
netif_addr_lock_bh(netdev);
eth_hw_addr_set(netdev, adapter->hw.mac.addr);
netif_addr_unlock_bh(netdev);
adapter->aq_required |= IAVF_FLAG_AQ_ADD_MAC_FILTER |
aq_required;
}
break;
case VIRTCHNL_OP_ENABLE_QUEUES:
/* enable transmits */
iavf_irq_enable(adapter, true);
adapter->flags &= ~IAVF_FLAG_QUEUES_DISABLED;
break;
case VIRTCHNL_OP_DISABLE_QUEUES:
iavf_free_all_tx_resources(adapter);
iavf_free_all_rx_resources(adapter);
if (adapter->state == __IAVF_DOWN_PENDING) {
iavf_change_state(adapter, __IAVF_DOWN);
wake_up(&adapter->down_waitqueue);
}
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_RDMA:
/* 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))
iavf_notify_client_message(&adapter->vsi, msg, msglen);
break;
case VIRTCHNL_OP_CONFIG_RDMA_IRQ_MAP:
adapter->client_pending &=
~(BIT(VIRTCHNL_OP_CONFIG_RDMA_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;
case VIRTCHNL_OP_REQUEST_QUEUES: {
struct virtchnl_vf_res_request *vfres =
(struct virtchnl_vf_res_request *)msg;
if (vfres->num_queue_pairs != adapter->num_req_queues) {
dev_info(&adapter->pdev->dev,
"Requested %d queues, PF can support %d\n",
adapter->num_req_queues,
vfres->num_queue_pairs);
adapter->num_req_queues = 0;
adapter->flags &= ~IAVF_FLAG_REINIT_ITR_NEEDED;
}
}
break;
case VIRTCHNL_OP_ADD_CLOUD_FILTER: {
struct iavf_cloud_filter *cf;
list_for_each_entry(cf, &adapter->cloud_filter_list, list) {
if (cf->state == __IAVF_CF_ADD_PENDING)
cf->state = __IAVF_CF_ACTIVE;
}
}
break;
case VIRTCHNL_OP_DEL_CLOUD_FILTER: {
struct iavf_cloud_filter *cf, *cftmp;
list_for_each_entry_safe(cf, cftmp, &adapter->cloud_filter_list,
list) {
if (cf->state == __IAVF_CF_DEL_PENDING) {
cf->state = __IAVF_CF_INVALID;
list_del(&cf->list);
kfree(cf);
adapter->num_cloud_filters--;
}
}
}
break;
case VIRTCHNL_OP_ADD_FDIR_FILTER: {
struct virtchnl_fdir_add *add_fltr = (struct virtchnl_fdir_add *)msg;
struct iavf_fdir_fltr *fdir, *fdir_tmp;
spin_lock_bh(&adapter->fdir_fltr_lock);
list_for_each_entry_safe(fdir, fdir_tmp,
&adapter->fdir_list_head,
list) {
if (fdir->state == IAVF_FDIR_FLTR_ADD_PENDING) {
if (add_fltr->status == VIRTCHNL_FDIR_SUCCESS) {
dev_info(&adapter->pdev->dev, "Flow Director filter with location %u is added\n",
fdir->loc);
fdir->state = IAVF_FDIR_FLTR_ACTIVE;
fdir->flow_id = add_fltr->flow_id;
} else {
dev_info(&adapter->pdev->dev, "Failed to add Flow Director filter with status: %d\n",
add_fltr->status);
iavf_print_fdir_fltr(adapter, fdir);
list_del(&fdir->list);
kfree(fdir);
adapter->fdir_active_fltr--;
}
}
}
spin_unlock_bh(&adapter->fdir_fltr_lock);
}
break;
case VIRTCHNL_OP_DEL_FDIR_FILTER: {
struct virtchnl_fdir_del *del_fltr = (struct virtchnl_fdir_del *)msg;
struct iavf_fdir_fltr *fdir, *fdir_tmp;
spin_lock_bh(&adapter->fdir_fltr_lock);
list_for_each_entry_safe(fdir, fdir_tmp, &adapter->fdir_list_head,
list) {
if (fdir->state == IAVF_FDIR_FLTR_DEL_PENDING) {
if (del_fltr->status == VIRTCHNL_FDIR_SUCCESS) {
dev_info(&adapter->pdev->dev, "Flow Director filter with location %u is deleted\n",
fdir->loc);
list_del(&fdir->list);
kfree(fdir);
adapter->fdir_active_fltr--;
} else {
fdir->state = IAVF_FDIR_FLTR_ACTIVE;
dev_info(&adapter->pdev->dev, "Failed to delete Flow Director filter with status: %d\n",
del_fltr->status);
iavf_print_fdir_fltr(adapter, fdir);
}
}
}
spin_unlock_bh(&adapter->fdir_fltr_lock);
}
break;
case VIRTCHNL_OP_ADD_RSS_CFG: {
struct iavf_adv_rss *rss;
spin_lock_bh(&adapter->adv_rss_lock);
list_for_each_entry(rss, &adapter->adv_rss_list_head, list) {
if (rss->state == IAVF_ADV_RSS_ADD_PENDING) {
iavf_print_adv_rss_cfg(adapter, rss,
"Input set change for",
"successful");
rss->state = IAVF_ADV_RSS_ACTIVE;
}
}
spin_unlock_bh(&adapter->adv_rss_lock);
}
break;
case VIRTCHNL_OP_DEL_RSS_CFG: {
struct iavf_adv_rss *rss, *rss_tmp;
spin_lock_bh(&adapter->adv_rss_lock);
list_for_each_entry_safe(rss, rss_tmp,
&adapter->adv_rss_list_head, list) {
if (rss->state == IAVF_ADV_RSS_DEL_PENDING) {
list_del(&rss->list);
kfree(rss);
}
}
spin_unlock_bh(&adapter->adv_rss_lock);
}
break;
case VIRTCHNL_OP_ADD_VLAN_V2: {
struct iavf_vlan_filter *f;
spin_lock_bh(&adapter->mac_vlan_list_lock);
list_for_each_entry(f, &adapter->vlan_filter_list, list) {
if (f->state == IAVF_VLAN_IS_NEW)
f->state = IAVF_VLAN_ACTIVE;
}
spin_unlock_bh(&adapter->mac_vlan_list_lock);
}
break;
case VIRTCHNL_OP_ENABLE_VLAN_STRIPPING:
/* PF enabled vlan strip on this VF.
* Update netdev->features if needed to be in sync with ethtool.
*/
if (!v_retval)
iavf_netdev_features_vlan_strip_set(netdev, true);
break;
case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING:
/* PF disabled vlan strip on this VF.
* Update netdev->features if needed to be in sync with ethtool.
*/
if (!v_retval)
iavf_netdev_features_vlan_strip_set(netdev, false);
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;
}