mirror of https://gitee.com/openkylin/linux.git
3367 lines
90 KiB
C
3367 lines
90 KiB
C
/*******************************************************************************
|
|
*
|
|
* Intel Ethernet Controller XL710 Family Linux Driver
|
|
* Copyright(c) 2013 - 2016 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 "i40e.h"
|
|
|
|
/*********************notification routines***********************/
|
|
|
|
/**
|
|
* i40e_vc_vf_broadcast
|
|
* @pf: pointer to the PF structure
|
|
* @opcode: operation code
|
|
* @retval: return value
|
|
* @msg: pointer to the msg buffer
|
|
* @msglen: msg length
|
|
*
|
|
* send a message to all VFs on a given PF
|
|
**/
|
|
static void i40e_vc_vf_broadcast(struct i40e_pf *pf,
|
|
enum i40e_virtchnl_ops v_opcode,
|
|
i40e_status v_retval, u8 *msg,
|
|
u16 msglen)
|
|
{
|
|
struct i40e_hw *hw = &pf->hw;
|
|
struct i40e_vf *vf = pf->vf;
|
|
int i;
|
|
|
|
for (i = 0; i < pf->num_alloc_vfs; i++, vf++) {
|
|
int abs_vf_id = vf->vf_id + (int)hw->func_caps.vf_base_id;
|
|
/* Not all vfs are enabled so skip the ones that are not */
|
|
if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states) &&
|
|
!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states))
|
|
continue;
|
|
|
|
/* Ignore return value on purpose - a given VF may fail, but
|
|
* we need to keep going and send to all of them
|
|
*/
|
|
i40e_aq_send_msg_to_vf(hw, abs_vf_id, v_opcode, v_retval,
|
|
msg, msglen, NULL);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_notify_vf_link_state
|
|
* @vf: pointer to the VF structure
|
|
*
|
|
* send a link status message to a single VF
|
|
**/
|
|
static void i40e_vc_notify_vf_link_state(struct i40e_vf *vf)
|
|
{
|
|
struct i40e_virtchnl_pf_event pfe;
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
struct i40e_link_status *ls = &pf->hw.phy.link_info;
|
|
int abs_vf_id = vf->vf_id + (int)hw->func_caps.vf_base_id;
|
|
|
|
pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE;
|
|
pfe.severity = I40E_PF_EVENT_SEVERITY_INFO;
|
|
if (vf->link_forced) {
|
|
pfe.event_data.link_event.link_status = vf->link_up;
|
|
pfe.event_data.link_event.link_speed =
|
|
(vf->link_up ? I40E_LINK_SPEED_40GB : 0);
|
|
} else {
|
|
pfe.event_data.link_event.link_status =
|
|
ls->link_info & I40E_AQ_LINK_UP;
|
|
pfe.event_data.link_event.link_speed = ls->link_speed;
|
|
}
|
|
i40e_aq_send_msg_to_vf(hw, abs_vf_id, I40E_VIRTCHNL_OP_EVENT,
|
|
0, (u8 *)&pfe, sizeof(pfe), NULL);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_notify_link_state
|
|
* @pf: pointer to the PF structure
|
|
*
|
|
* send a link status message to all VFs on a given PF
|
|
**/
|
|
void i40e_vc_notify_link_state(struct i40e_pf *pf)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < pf->num_alloc_vfs; i++)
|
|
i40e_vc_notify_vf_link_state(&pf->vf[i]);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_notify_reset
|
|
* @pf: pointer to the PF structure
|
|
*
|
|
* indicate a pending reset to all VFs on a given PF
|
|
**/
|
|
void i40e_vc_notify_reset(struct i40e_pf *pf)
|
|
{
|
|
struct i40e_virtchnl_pf_event pfe;
|
|
|
|
pfe.event = I40E_VIRTCHNL_EVENT_RESET_IMPENDING;
|
|
pfe.severity = I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM;
|
|
i40e_vc_vf_broadcast(pf, I40E_VIRTCHNL_OP_EVENT, 0,
|
|
(u8 *)&pfe, sizeof(struct i40e_virtchnl_pf_event));
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_notify_vf_reset
|
|
* @vf: pointer to the VF structure
|
|
*
|
|
* indicate a pending reset to the given VF
|
|
**/
|
|
void i40e_vc_notify_vf_reset(struct i40e_vf *vf)
|
|
{
|
|
struct i40e_virtchnl_pf_event pfe;
|
|
int abs_vf_id;
|
|
|
|
/* validate the request */
|
|
if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs)
|
|
return;
|
|
|
|
/* verify if the VF is in either init or active before proceeding */
|
|
if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states) &&
|
|
!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states))
|
|
return;
|
|
|
|
abs_vf_id = vf->vf_id + (int)vf->pf->hw.func_caps.vf_base_id;
|
|
|
|
pfe.event = I40E_VIRTCHNL_EVENT_RESET_IMPENDING;
|
|
pfe.severity = I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM;
|
|
i40e_aq_send_msg_to_vf(&vf->pf->hw, abs_vf_id, I40E_VIRTCHNL_OP_EVENT,
|
|
0, (u8 *)&pfe,
|
|
sizeof(struct i40e_virtchnl_pf_event), NULL);
|
|
}
|
|
/***********************misc routines*****************************/
|
|
|
|
/**
|
|
* i40e_vc_disable_vf
|
|
* @pf: pointer to the PF info
|
|
* @vf: pointer to the VF info
|
|
*
|
|
* Disable the VF through a SW reset
|
|
**/
|
|
static inline void i40e_vc_disable_vf(struct i40e_pf *pf, struct i40e_vf *vf)
|
|
{
|
|
i40e_vc_notify_vf_reset(vf);
|
|
i40e_reset_vf(vf, false);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_isvalid_vsi_id
|
|
* @vf: pointer to the VF info
|
|
* @vsi_id: VF relative VSI id
|
|
*
|
|
* check for the valid VSI id
|
|
**/
|
|
static inline bool i40e_vc_isvalid_vsi_id(struct i40e_vf *vf, u16 vsi_id)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id);
|
|
|
|
return (vsi && (vsi->vf_id == vf->vf_id));
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_isvalid_queue_id
|
|
* @vf: pointer to the VF info
|
|
* @vsi_id: vsi id
|
|
* @qid: vsi relative queue id
|
|
*
|
|
* check for the valid queue id
|
|
**/
|
|
static inline bool i40e_vc_isvalid_queue_id(struct i40e_vf *vf, u16 vsi_id,
|
|
u8 qid)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id);
|
|
|
|
return (vsi && (qid < vsi->alloc_queue_pairs));
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_isvalid_vector_id
|
|
* @vf: pointer to the VF info
|
|
* @vector_id: VF relative vector id
|
|
*
|
|
* check for the valid vector id
|
|
**/
|
|
static inline bool i40e_vc_isvalid_vector_id(struct i40e_vf *vf, u8 vector_id)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
|
|
return vector_id < pf->hw.func_caps.num_msix_vectors_vf;
|
|
}
|
|
|
|
/***********************vf resource mgmt routines*****************/
|
|
|
|
/**
|
|
* i40e_vc_get_pf_queue_id
|
|
* @vf: pointer to the VF info
|
|
* @vsi_id: id of VSI as provided by the FW
|
|
* @vsi_queue_id: vsi relative queue id
|
|
*
|
|
* return PF relative queue id
|
|
**/
|
|
static u16 i40e_vc_get_pf_queue_id(struct i40e_vf *vf, u16 vsi_id,
|
|
u8 vsi_queue_id)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id);
|
|
u16 pf_queue_id = I40E_QUEUE_END_OF_LIST;
|
|
|
|
if (!vsi)
|
|
return pf_queue_id;
|
|
|
|
if (le16_to_cpu(vsi->info.mapping_flags) &
|
|
I40E_AQ_VSI_QUE_MAP_NONCONTIG)
|
|
pf_queue_id =
|
|
le16_to_cpu(vsi->info.queue_mapping[vsi_queue_id]);
|
|
else
|
|
pf_queue_id = le16_to_cpu(vsi->info.queue_mapping[0]) +
|
|
vsi_queue_id;
|
|
|
|
return pf_queue_id;
|
|
}
|
|
|
|
/**
|
|
* i40e_config_irq_link_list
|
|
* @vf: pointer to the VF info
|
|
* @vsi_id: id of VSI as given by the FW
|
|
* @vecmap: irq map info
|
|
*
|
|
* configure irq link list from the map
|
|
**/
|
|
static void i40e_config_irq_link_list(struct i40e_vf *vf, u16 vsi_id,
|
|
struct i40e_virtchnl_vector_map *vecmap)
|
|
{
|
|
unsigned long linklistmap = 0, tempmap;
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
u16 vsi_queue_id, pf_queue_id;
|
|
enum i40e_queue_type qtype;
|
|
u16 next_q, vector_id;
|
|
u32 reg, reg_idx;
|
|
u16 itr_idx = 0;
|
|
|
|
vector_id = vecmap->vector_id;
|
|
/* setup the head */
|
|
if (0 == vector_id)
|
|
reg_idx = I40E_VPINT_LNKLST0(vf->vf_id);
|
|
else
|
|
reg_idx = I40E_VPINT_LNKLSTN(
|
|
((pf->hw.func_caps.num_msix_vectors_vf - 1) * vf->vf_id) +
|
|
(vector_id - 1));
|
|
|
|
if (vecmap->rxq_map == 0 && vecmap->txq_map == 0) {
|
|
/* Special case - No queues mapped on this vector */
|
|
wr32(hw, reg_idx, I40E_VPINT_LNKLST0_FIRSTQ_INDX_MASK);
|
|
goto irq_list_done;
|
|
}
|
|
tempmap = vecmap->rxq_map;
|
|
for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
|
|
linklistmap |= (BIT(I40E_VIRTCHNL_SUPPORTED_QTYPES *
|
|
vsi_queue_id));
|
|
}
|
|
|
|
tempmap = vecmap->txq_map;
|
|
for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
|
|
linklistmap |= (BIT(I40E_VIRTCHNL_SUPPORTED_QTYPES *
|
|
vsi_queue_id + 1));
|
|
}
|
|
|
|
next_q = find_first_bit(&linklistmap,
|
|
(I40E_MAX_VSI_QP *
|
|
I40E_VIRTCHNL_SUPPORTED_QTYPES));
|
|
vsi_queue_id = next_q / I40E_VIRTCHNL_SUPPORTED_QTYPES;
|
|
qtype = next_q % I40E_VIRTCHNL_SUPPORTED_QTYPES;
|
|
pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id);
|
|
reg = ((qtype << I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT) | pf_queue_id);
|
|
|
|
wr32(hw, reg_idx, reg);
|
|
|
|
while (next_q < (I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES)) {
|
|
switch (qtype) {
|
|
case I40E_QUEUE_TYPE_RX:
|
|
reg_idx = I40E_QINT_RQCTL(pf_queue_id);
|
|
itr_idx = vecmap->rxitr_idx;
|
|
break;
|
|
case I40E_QUEUE_TYPE_TX:
|
|
reg_idx = I40E_QINT_TQCTL(pf_queue_id);
|
|
itr_idx = vecmap->txitr_idx;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
next_q = find_next_bit(&linklistmap,
|
|
(I40E_MAX_VSI_QP *
|
|
I40E_VIRTCHNL_SUPPORTED_QTYPES),
|
|
next_q + 1);
|
|
if (next_q <
|
|
(I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES)) {
|
|
vsi_queue_id = next_q / I40E_VIRTCHNL_SUPPORTED_QTYPES;
|
|
qtype = next_q % I40E_VIRTCHNL_SUPPORTED_QTYPES;
|
|
pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id,
|
|
vsi_queue_id);
|
|
} else {
|
|
pf_queue_id = I40E_QUEUE_END_OF_LIST;
|
|
qtype = 0;
|
|
}
|
|
|
|
/* format for the RQCTL & TQCTL regs is same */
|
|
reg = (vector_id) |
|
|
(qtype << I40E_QINT_RQCTL_NEXTQ_TYPE_SHIFT) |
|
|
(pf_queue_id << I40E_QINT_RQCTL_NEXTQ_INDX_SHIFT) |
|
|
BIT(I40E_QINT_RQCTL_CAUSE_ENA_SHIFT) |
|
|
(itr_idx << I40E_QINT_RQCTL_ITR_INDX_SHIFT);
|
|
wr32(hw, reg_idx, reg);
|
|
}
|
|
|
|
/* if the vf is running in polling mode and using interrupt zero,
|
|
* need to disable auto-mask on enabling zero interrupt for VFs.
|
|
*/
|
|
if ((vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING) &&
|
|
(vector_id == 0)) {
|
|
reg = rd32(hw, I40E_GLINT_CTL);
|
|
if (!(reg & I40E_GLINT_CTL_DIS_AUTOMASK_VF0_MASK)) {
|
|
reg |= I40E_GLINT_CTL_DIS_AUTOMASK_VF0_MASK;
|
|
wr32(hw, I40E_GLINT_CTL, reg);
|
|
}
|
|
}
|
|
|
|
irq_list_done:
|
|
i40e_flush(hw);
|
|
}
|
|
|
|
/**
|
|
* i40e_release_iwarp_qvlist
|
|
* @vf: pointer to the VF.
|
|
*
|
|
**/
|
|
static void i40e_release_iwarp_qvlist(struct i40e_vf *vf)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_virtchnl_iwarp_qvlist_info *qvlist_info = vf->qvlist_info;
|
|
u32 msix_vf;
|
|
u32 i;
|
|
|
|
if (!vf->qvlist_info)
|
|
return;
|
|
|
|
msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
|
|
for (i = 0; i < qvlist_info->num_vectors; i++) {
|
|
struct i40e_virtchnl_iwarp_qv_info *qv_info;
|
|
u32 next_q_index, next_q_type;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
u32 v_idx, reg_idx, reg;
|
|
|
|
qv_info = &qvlist_info->qv_info[i];
|
|
if (!qv_info)
|
|
continue;
|
|
v_idx = qv_info->v_idx;
|
|
if (qv_info->ceq_idx != I40E_QUEUE_INVALID_IDX) {
|
|
/* Figure out the queue after CEQ and make that the
|
|
* first queue.
|
|
*/
|
|
reg_idx = (msix_vf - 1) * vf->vf_id + qv_info->ceq_idx;
|
|
reg = rd32(hw, I40E_VPINT_CEQCTL(reg_idx));
|
|
next_q_index = (reg & I40E_VPINT_CEQCTL_NEXTQ_INDX_MASK)
|
|
>> I40E_VPINT_CEQCTL_NEXTQ_INDX_SHIFT;
|
|
next_q_type = (reg & I40E_VPINT_CEQCTL_NEXTQ_TYPE_MASK)
|
|
>> I40E_VPINT_CEQCTL_NEXTQ_TYPE_SHIFT;
|
|
|
|
reg_idx = ((msix_vf - 1) * vf->vf_id) + (v_idx - 1);
|
|
reg = (next_q_index &
|
|
I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK) |
|
|
(next_q_type <<
|
|
I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT);
|
|
|
|
wr32(hw, I40E_VPINT_LNKLSTN(reg_idx), reg);
|
|
}
|
|
}
|
|
kfree(vf->qvlist_info);
|
|
vf->qvlist_info = NULL;
|
|
}
|
|
|
|
/**
|
|
* i40e_config_iwarp_qvlist
|
|
* @vf: pointer to the VF info
|
|
* @qvlist_info: queue and vector list
|
|
*
|
|
* Return 0 on success or < 0 on error
|
|
**/
|
|
static int i40e_config_iwarp_qvlist(struct i40e_vf *vf,
|
|
struct i40e_virtchnl_iwarp_qvlist_info *qvlist_info)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
struct i40e_virtchnl_iwarp_qv_info *qv_info;
|
|
u32 v_idx, i, reg_idx, reg;
|
|
u32 next_q_idx, next_q_type;
|
|
u32 msix_vf, size;
|
|
|
|
size = sizeof(struct i40e_virtchnl_iwarp_qvlist_info) +
|
|
(sizeof(struct i40e_virtchnl_iwarp_qv_info) *
|
|
(qvlist_info->num_vectors - 1));
|
|
vf->qvlist_info = kzalloc(size, GFP_KERNEL);
|
|
vf->qvlist_info->num_vectors = qvlist_info->num_vectors;
|
|
|
|
msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
|
|
for (i = 0; i < qvlist_info->num_vectors; i++) {
|
|
qv_info = &qvlist_info->qv_info[i];
|
|
if (!qv_info)
|
|
continue;
|
|
v_idx = qv_info->v_idx;
|
|
|
|
/* Validate vector id belongs to this vf */
|
|
if (!i40e_vc_isvalid_vector_id(vf, v_idx))
|
|
goto err;
|
|
|
|
vf->qvlist_info->qv_info[i] = *qv_info;
|
|
|
|
reg_idx = ((msix_vf - 1) * vf->vf_id) + (v_idx - 1);
|
|
/* We might be sharing the interrupt, so get the first queue
|
|
* index and type, push it down the list by adding the new
|
|
* queue on top. Also link it with the new queue in CEQCTL.
|
|
*/
|
|
reg = rd32(hw, I40E_VPINT_LNKLSTN(reg_idx));
|
|
next_q_idx = ((reg & I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK) >>
|
|
I40E_VPINT_LNKLSTN_FIRSTQ_INDX_SHIFT);
|
|
next_q_type = ((reg & I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK) >>
|
|
I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT);
|
|
|
|
if (qv_info->ceq_idx != I40E_QUEUE_INVALID_IDX) {
|
|
reg_idx = (msix_vf - 1) * vf->vf_id + qv_info->ceq_idx;
|
|
reg = (I40E_VPINT_CEQCTL_CAUSE_ENA_MASK |
|
|
(v_idx << I40E_VPINT_CEQCTL_MSIX_INDX_SHIFT) |
|
|
(qv_info->itr_idx << I40E_VPINT_CEQCTL_ITR_INDX_SHIFT) |
|
|
(next_q_type << I40E_VPINT_CEQCTL_NEXTQ_TYPE_SHIFT) |
|
|
(next_q_idx << I40E_VPINT_CEQCTL_NEXTQ_INDX_SHIFT));
|
|
wr32(hw, I40E_VPINT_CEQCTL(reg_idx), reg);
|
|
|
|
reg_idx = ((msix_vf - 1) * vf->vf_id) + (v_idx - 1);
|
|
reg = (qv_info->ceq_idx &
|
|
I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK) |
|
|
(I40E_QUEUE_TYPE_PE_CEQ <<
|
|
I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT);
|
|
wr32(hw, I40E_VPINT_LNKLSTN(reg_idx), reg);
|
|
}
|
|
|
|
if (qv_info->aeq_idx != I40E_QUEUE_INVALID_IDX) {
|
|
reg = (I40E_VPINT_AEQCTL_CAUSE_ENA_MASK |
|
|
(v_idx << I40E_VPINT_AEQCTL_MSIX_INDX_SHIFT) |
|
|
(qv_info->itr_idx << I40E_VPINT_AEQCTL_ITR_INDX_SHIFT));
|
|
|
|
wr32(hw, I40E_VPINT_AEQCTL(vf->vf_id), reg);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
err:
|
|
kfree(vf->qvlist_info);
|
|
vf->qvlist_info = NULL;
|
|
return -EINVAL;
|
|
}
|
|
|
|
/**
|
|
* i40e_config_vsi_tx_queue
|
|
* @vf: pointer to the VF info
|
|
* @vsi_id: id of VSI as provided by the FW
|
|
* @vsi_queue_id: vsi relative queue index
|
|
* @info: config. info
|
|
*
|
|
* configure tx queue
|
|
**/
|
|
static int i40e_config_vsi_tx_queue(struct i40e_vf *vf, u16 vsi_id,
|
|
u16 vsi_queue_id,
|
|
struct i40e_virtchnl_txq_info *info)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
struct i40e_hmc_obj_txq tx_ctx;
|
|
struct i40e_vsi *vsi;
|
|
u16 pf_queue_id;
|
|
u32 qtx_ctl;
|
|
int ret = 0;
|
|
|
|
if (!i40e_vc_isvalid_vsi_id(vf, info->vsi_id)) {
|
|
ret = -ENOENT;
|
|
goto error_context;
|
|
}
|
|
pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id);
|
|
vsi = i40e_find_vsi_from_id(pf, vsi_id);
|
|
if (!vsi) {
|
|
ret = -ENOENT;
|
|
goto error_context;
|
|
}
|
|
|
|
/* clear the context structure first */
|
|
memset(&tx_ctx, 0, sizeof(struct i40e_hmc_obj_txq));
|
|
|
|
/* only set the required fields */
|
|
tx_ctx.base = info->dma_ring_addr / 128;
|
|
tx_ctx.qlen = info->ring_len;
|
|
tx_ctx.rdylist = le16_to_cpu(vsi->info.qs_handle[0]);
|
|
tx_ctx.rdylist_act = 0;
|
|
tx_ctx.head_wb_ena = info->headwb_enabled;
|
|
tx_ctx.head_wb_addr = info->dma_headwb_addr;
|
|
|
|
/* clear the context in the HMC */
|
|
ret = i40e_clear_lan_tx_queue_context(hw, pf_queue_id);
|
|
if (ret) {
|
|
dev_err(&pf->pdev->dev,
|
|
"Failed to clear VF LAN Tx queue context %d, error: %d\n",
|
|
pf_queue_id, ret);
|
|
ret = -ENOENT;
|
|
goto error_context;
|
|
}
|
|
|
|
/* set the context in the HMC */
|
|
ret = i40e_set_lan_tx_queue_context(hw, pf_queue_id, &tx_ctx);
|
|
if (ret) {
|
|
dev_err(&pf->pdev->dev,
|
|
"Failed to set VF LAN Tx queue context %d error: %d\n",
|
|
pf_queue_id, ret);
|
|
ret = -ENOENT;
|
|
goto error_context;
|
|
}
|
|
|
|
/* associate this queue with the PCI VF function */
|
|
qtx_ctl = I40E_QTX_CTL_VF_QUEUE;
|
|
qtx_ctl |= ((hw->pf_id << I40E_QTX_CTL_PF_INDX_SHIFT)
|
|
& I40E_QTX_CTL_PF_INDX_MASK);
|
|
qtx_ctl |= (((vf->vf_id + hw->func_caps.vf_base_id)
|
|
<< I40E_QTX_CTL_VFVM_INDX_SHIFT)
|
|
& I40E_QTX_CTL_VFVM_INDX_MASK);
|
|
wr32(hw, I40E_QTX_CTL(pf_queue_id), qtx_ctl);
|
|
i40e_flush(hw);
|
|
|
|
error_context:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_config_vsi_rx_queue
|
|
* @vf: pointer to the VF info
|
|
* @vsi_id: id of VSI as provided by the FW
|
|
* @vsi_queue_id: vsi relative queue index
|
|
* @info: config. info
|
|
*
|
|
* configure rx queue
|
|
**/
|
|
static int i40e_config_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_id,
|
|
u16 vsi_queue_id,
|
|
struct i40e_virtchnl_rxq_info *info)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
struct i40e_hmc_obj_rxq rx_ctx;
|
|
u16 pf_queue_id;
|
|
int ret = 0;
|
|
|
|
pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id);
|
|
|
|
/* clear the context structure first */
|
|
memset(&rx_ctx, 0, sizeof(struct i40e_hmc_obj_rxq));
|
|
|
|
/* only set the required fields */
|
|
rx_ctx.base = info->dma_ring_addr / 128;
|
|
rx_ctx.qlen = info->ring_len;
|
|
|
|
if (info->splithdr_enabled) {
|
|
rx_ctx.hsplit_0 = I40E_RX_SPLIT_L2 |
|
|
I40E_RX_SPLIT_IP |
|
|
I40E_RX_SPLIT_TCP_UDP |
|
|
I40E_RX_SPLIT_SCTP;
|
|
/* header length validation */
|
|
if (info->hdr_size > ((2 * 1024) - 64)) {
|
|
ret = -EINVAL;
|
|
goto error_param;
|
|
}
|
|
rx_ctx.hbuff = info->hdr_size >> I40E_RXQ_CTX_HBUFF_SHIFT;
|
|
|
|
/* set split mode 10b */
|
|
rx_ctx.dtype = I40E_RX_DTYPE_HEADER_SPLIT;
|
|
}
|
|
|
|
/* databuffer length validation */
|
|
if (info->databuffer_size > ((16 * 1024) - 128)) {
|
|
ret = -EINVAL;
|
|
goto error_param;
|
|
}
|
|
rx_ctx.dbuff = info->databuffer_size >> I40E_RXQ_CTX_DBUFF_SHIFT;
|
|
|
|
/* max pkt. length validation */
|
|
if (info->max_pkt_size >= (16 * 1024) || info->max_pkt_size < 64) {
|
|
ret = -EINVAL;
|
|
goto error_param;
|
|
}
|
|
rx_ctx.rxmax = info->max_pkt_size;
|
|
|
|
/* enable 32bytes desc always */
|
|
rx_ctx.dsize = 1;
|
|
|
|
/* default values */
|
|
rx_ctx.lrxqthresh = 2;
|
|
rx_ctx.crcstrip = 1;
|
|
rx_ctx.prefena = 1;
|
|
rx_ctx.l2tsel = 1;
|
|
|
|
/* clear the context in the HMC */
|
|
ret = i40e_clear_lan_rx_queue_context(hw, pf_queue_id);
|
|
if (ret) {
|
|
dev_err(&pf->pdev->dev,
|
|
"Failed to clear VF LAN Rx queue context %d, error: %d\n",
|
|
pf_queue_id, ret);
|
|
ret = -ENOENT;
|
|
goto error_param;
|
|
}
|
|
|
|
/* set the context in the HMC */
|
|
ret = i40e_set_lan_rx_queue_context(hw, pf_queue_id, &rx_ctx);
|
|
if (ret) {
|
|
dev_err(&pf->pdev->dev,
|
|
"Failed to set VF LAN Rx queue context %d error: %d\n",
|
|
pf_queue_id, ret);
|
|
ret = -ENOENT;
|
|
goto error_param;
|
|
}
|
|
|
|
error_param:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_alloc_vsi_res
|
|
* @vf: pointer to the VF info
|
|
* @type: type of VSI to allocate
|
|
*
|
|
* alloc VF vsi context & resources
|
|
**/
|
|
static int i40e_alloc_vsi_res(struct i40e_vf *vf, enum i40e_vsi_type type)
|
|
{
|
|
struct i40e_mac_filter *f = NULL;
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_vsi *vsi;
|
|
int ret = 0;
|
|
|
|
vsi = i40e_vsi_setup(pf, type, pf->vsi[pf->lan_vsi]->seid, vf->vf_id);
|
|
|
|
if (!vsi) {
|
|
dev_err(&pf->pdev->dev,
|
|
"add vsi failed for VF %d, aq_err %d\n",
|
|
vf->vf_id, pf->hw.aq.asq_last_status);
|
|
ret = -ENOENT;
|
|
goto error_alloc_vsi_res;
|
|
}
|
|
if (type == I40E_VSI_SRIOV) {
|
|
u64 hena = i40e_pf_get_default_rss_hena(pf);
|
|
u8 broadcast[ETH_ALEN];
|
|
|
|
vf->lan_vsi_idx = vsi->idx;
|
|
vf->lan_vsi_id = vsi->id;
|
|
/* If the port VLAN has been configured and then the
|
|
* VF driver was removed then the VSI port VLAN
|
|
* configuration was destroyed. Check if there is
|
|
* a port VLAN and restore the VSI configuration if
|
|
* needed.
|
|
*/
|
|
if (vf->port_vlan_id)
|
|
i40e_vsi_add_pvid(vsi, vf->port_vlan_id);
|
|
|
|
spin_lock_bh(&vsi->mac_filter_hash_lock);
|
|
if (is_valid_ether_addr(vf->default_lan_addr.addr)) {
|
|
f = i40e_add_mac_filter(vsi,
|
|
vf->default_lan_addr.addr);
|
|
if (!f)
|
|
dev_info(&pf->pdev->dev,
|
|
"Could not add MAC filter %pM for VF %d\n",
|
|
vf->default_lan_addr.addr, vf->vf_id);
|
|
}
|
|
eth_broadcast_addr(broadcast);
|
|
f = i40e_add_mac_filter(vsi, broadcast);
|
|
if (!f)
|
|
dev_info(&pf->pdev->dev,
|
|
"Could not allocate VF broadcast filter\n");
|
|
spin_unlock_bh(&vsi->mac_filter_hash_lock);
|
|
wr32(&pf->hw, I40E_VFQF_HENA1(0, vf->vf_id), (u32)hena);
|
|
wr32(&pf->hw, I40E_VFQF_HENA1(1, vf->vf_id), (u32)(hena >> 32));
|
|
}
|
|
|
|
/* program mac filter */
|
|
ret = i40e_sync_vsi_filters(vsi);
|
|
if (ret)
|
|
dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
|
|
|
|
/* Set VF bandwidth if specified */
|
|
if (vf->tx_rate) {
|
|
ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid,
|
|
vf->tx_rate / 50, 0, NULL);
|
|
if (ret)
|
|
dev_err(&pf->pdev->dev, "Unable to set tx rate, VF %d, error code %d.\n",
|
|
vf->vf_id, ret);
|
|
}
|
|
|
|
error_alloc_vsi_res:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_enable_vf_mappings
|
|
* @vf: pointer to the VF info
|
|
*
|
|
* enable VF mappings
|
|
**/
|
|
static void i40e_enable_vf_mappings(struct i40e_vf *vf)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
u32 reg, total_queue_pairs = 0;
|
|
int j;
|
|
|
|
/* Tell the hardware we're using noncontiguous mapping. HW requires
|
|
* that VF queues be mapped using this method, even when they are
|
|
* contiguous in real life
|
|
*/
|
|
i40e_write_rx_ctl(hw, I40E_VSILAN_QBASE(vf->lan_vsi_id),
|
|
I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK);
|
|
|
|
/* enable VF vplan_qtable mappings */
|
|
reg = I40E_VPLAN_MAPENA_TXRX_ENA_MASK;
|
|
wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), reg);
|
|
|
|
/* map PF queues to VF queues */
|
|
for (j = 0; j < pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs; j++) {
|
|
u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id, j);
|
|
|
|
reg = (qid & I40E_VPLAN_QTABLE_QINDEX_MASK);
|
|
wr32(hw, I40E_VPLAN_QTABLE(total_queue_pairs, vf->vf_id), reg);
|
|
total_queue_pairs++;
|
|
}
|
|
|
|
/* map PF queues to VSI */
|
|
for (j = 0; j < 7; j++) {
|
|
if (j * 2 >= pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs) {
|
|
reg = 0x07FF07FF; /* unused */
|
|
} else {
|
|
u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id,
|
|
j * 2);
|
|
reg = qid;
|
|
qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id,
|
|
(j * 2) + 1);
|
|
reg |= qid << 16;
|
|
}
|
|
i40e_write_rx_ctl(hw, I40E_VSILAN_QTABLE(j, vf->lan_vsi_id),
|
|
reg);
|
|
}
|
|
|
|
i40e_flush(hw);
|
|
}
|
|
|
|
/**
|
|
* i40e_disable_vf_mappings
|
|
* @vf: pointer to the VF info
|
|
*
|
|
* disable VF mappings
|
|
**/
|
|
static void i40e_disable_vf_mappings(struct i40e_vf *vf)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
int i;
|
|
|
|
/* disable qp mappings */
|
|
wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), 0);
|
|
for (i = 0; i < I40E_MAX_VSI_QP; i++)
|
|
wr32(hw, I40E_VPLAN_QTABLE(i, vf->vf_id),
|
|
I40E_QUEUE_END_OF_LIST);
|
|
i40e_flush(hw);
|
|
}
|
|
|
|
/**
|
|
* i40e_free_vf_res
|
|
* @vf: pointer to the VF info
|
|
*
|
|
* free VF resources
|
|
**/
|
|
static void i40e_free_vf_res(struct i40e_vf *vf)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
u32 reg_idx, reg;
|
|
int i, msix_vf;
|
|
|
|
/* Start by disabling VF's configuration API to prevent the OS from
|
|
* accessing the VF's VSI after it's freed / invalidated.
|
|
*/
|
|
clear_bit(I40E_VF_STATE_INIT, &vf->vf_states);
|
|
|
|
/* free vsi & disconnect it from the parent uplink */
|
|
if (vf->lan_vsi_idx) {
|
|
i40e_vsi_release(pf->vsi[vf->lan_vsi_idx]);
|
|
vf->lan_vsi_idx = 0;
|
|
vf->lan_vsi_id = 0;
|
|
vf->num_mac = 0;
|
|
}
|
|
msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
|
|
|
|
/* disable interrupts so the VF starts in a known state */
|
|
for (i = 0; i < msix_vf; i++) {
|
|
/* format is same for both registers */
|
|
if (0 == i)
|
|
reg_idx = I40E_VFINT_DYN_CTL0(vf->vf_id);
|
|
else
|
|
reg_idx = I40E_VFINT_DYN_CTLN(((msix_vf - 1) *
|
|
(vf->vf_id))
|
|
+ (i - 1));
|
|
wr32(hw, reg_idx, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK);
|
|
i40e_flush(hw);
|
|
}
|
|
|
|
/* clear the irq settings */
|
|
for (i = 0; i < msix_vf; i++) {
|
|
/* format is same for both registers */
|
|
if (0 == i)
|
|
reg_idx = I40E_VPINT_LNKLST0(vf->vf_id);
|
|
else
|
|
reg_idx = I40E_VPINT_LNKLSTN(((msix_vf - 1) *
|
|
(vf->vf_id))
|
|
+ (i - 1));
|
|
reg = (I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK |
|
|
I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK);
|
|
wr32(hw, reg_idx, reg);
|
|
i40e_flush(hw);
|
|
}
|
|
/* reset some of the state variables keeping track of the resources */
|
|
vf->num_queue_pairs = 0;
|
|
vf->vf_states = 0;
|
|
}
|
|
|
|
/**
|
|
* i40e_alloc_vf_res
|
|
* @vf: pointer to the VF info
|
|
*
|
|
* allocate VF resources
|
|
**/
|
|
static int i40e_alloc_vf_res(struct i40e_vf *vf)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
int total_queue_pairs = 0;
|
|
int ret;
|
|
|
|
/* allocate hw vsi context & associated resources */
|
|
ret = i40e_alloc_vsi_res(vf, I40E_VSI_SRIOV);
|
|
if (ret)
|
|
goto error_alloc;
|
|
total_queue_pairs += pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs;
|
|
|
|
if (vf->trusted)
|
|
set_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
|
|
else
|
|
clear_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
|
|
|
|
/* store the total qps number for the runtime
|
|
* VF req validation
|
|
*/
|
|
vf->num_queue_pairs = total_queue_pairs;
|
|
|
|
/* VF is now completely initialized */
|
|
set_bit(I40E_VF_STATE_INIT, &vf->vf_states);
|
|
|
|
error_alloc:
|
|
if (ret)
|
|
i40e_free_vf_res(vf);
|
|
|
|
return ret;
|
|
}
|
|
|
|
#define VF_DEVICE_STATUS 0xAA
|
|
#define VF_TRANS_PENDING_MASK 0x20
|
|
/**
|
|
* i40e_quiesce_vf_pci
|
|
* @vf: pointer to the VF structure
|
|
*
|
|
* Wait for VF PCI transactions to be cleared after reset. Returns -EIO
|
|
* if the transactions never clear.
|
|
**/
|
|
static int i40e_quiesce_vf_pci(struct i40e_vf *vf)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
int vf_abs_id, i;
|
|
u32 reg;
|
|
|
|
vf_abs_id = vf->vf_id + hw->func_caps.vf_base_id;
|
|
|
|
wr32(hw, I40E_PF_PCI_CIAA,
|
|
VF_DEVICE_STATUS | (vf_abs_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT));
|
|
for (i = 0; i < 100; i++) {
|
|
reg = rd32(hw, I40E_PF_PCI_CIAD);
|
|
if ((reg & VF_TRANS_PENDING_MASK) == 0)
|
|
return 0;
|
|
udelay(1);
|
|
}
|
|
return -EIO;
|
|
}
|
|
|
|
/**
|
|
* i40e_trigger_vf_reset
|
|
* @vf: pointer to the VF structure
|
|
* @flr: VFLR was issued or not
|
|
*
|
|
* Trigger hardware to start a reset for a particular VF. Expects the caller
|
|
* to wait the proper amount of time to allow hardware to reset the VF before
|
|
* it cleans up and restores VF functionality.
|
|
**/
|
|
static void i40e_trigger_vf_reset(struct i40e_vf *vf, bool flr)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
u32 reg, reg_idx, bit_idx;
|
|
|
|
/* warn the VF */
|
|
clear_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states);
|
|
|
|
/* Disable VF's configuration API during reset. The flag is re-enabled
|
|
* in i40e_alloc_vf_res(), when it's safe again to access VF's VSI.
|
|
* It's normally disabled in i40e_free_vf_res(), but it's safer
|
|
* to do it earlier to give some time to finish to any VF config
|
|
* functions that may still be running at this point.
|
|
*/
|
|
clear_bit(I40E_VF_STATE_INIT, &vf->vf_states);
|
|
|
|
/* In the case of a VFLR, the HW has already reset the VF and we
|
|
* just need to clean up, so don't hit the VFRTRIG register.
|
|
*/
|
|
if (!flr) {
|
|
/* reset VF using VPGEN_VFRTRIG reg */
|
|
reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
|
|
reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK;
|
|
wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
|
|
i40e_flush(hw);
|
|
}
|
|
/* clear the VFLR bit in GLGEN_VFLRSTAT */
|
|
reg_idx = (hw->func_caps.vf_base_id + vf->vf_id) / 32;
|
|
bit_idx = (hw->func_caps.vf_base_id + vf->vf_id) % 32;
|
|
wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
|
|
i40e_flush(hw);
|
|
|
|
if (i40e_quiesce_vf_pci(vf))
|
|
dev_err(&pf->pdev->dev, "VF %d PCI transactions stuck\n",
|
|
vf->vf_id);
|
|
}
|
|
|
|
/**
|
|
* i40e_cleanup_reset_vf
|
|
* @vf: pointer to the VF structure
|
|
*
|
|
* Cleanup a VF after the hardware reset is finished. Expects the caller to
|
|
* have verified whether the reset is finished properly, and ensure the
|
|
* minimum amount of wait time has passed.
|
|
**/
|
|
static void i40e_cleanup_reset_vf(struct i40e_vf *vf)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
u32 reg;
|
|
|
|
/* free VF resources to begin resetting the VSI state */
|
|
i40e_free_vf_res(vf);
|
|
|
|
/* Enable hardware by clearing the reset bit in the VPGEN_VFRTRIG reg.
|
|
* By doing this we allow HW to access VF memory at any point. If we
|
|
* did it any sooner, HW could access memory while it was being freed
|
|
* in i40e_free_vf_res(), causing an IOMMU fault.
|
|
*
|
|
* On the other hand, this needs to be done ASAP, because the VF driver
|
|
* is waiting for this to happen and may report a timeout. It's
|
|
* harmless, but it gets logged into Guest OS kernel log, so best avoid
|
|
* it.
|
|
*/
|
|
reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
|
|
reg &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK;
|
|
wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
|
|
|
|
/* reallocate VF resources to finish resetting the VSI state */
|
|
if (!i40e_alloc_vf_res(vf)) {
|
|
int abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
|
|
i40e_enable_vf_mappings(vf);
|
|
set_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states);
|
|
clear_bit(I40E_VF_STATE_DISABLED, &vf->vf_states);
|
|
/* Do not notify the client during VF init */
|
|
if (test_and_clear_bit(I40E_VF_STATE_PRE_ENABLE,
|
|
&vf->vf_states))
|
|
i40e_notify_client_of_vf_reset(pf, abs_vf_id);
|
|
vf->num_vlan = 0;
|
|
}
|
|
|
|
/* Tell the VF driver the reset is done. This needs to be done only
|
|
* after VF has been fully initialized, because the VF driver may
|
|
* request resources immediately after setting this flag.
|
|
*/
|
|
wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_VFACTIVE);
|
|
}
|
|
|
|
/**
|
|
* i40e_reset_vf
|
|
* @vf: pointer to the VF structure
|
|
* @flr: VFLR was issued or not
|
|
*
|
|
* reset the VF
|
|
**/
|
|
void i40e_reset_vf(struct i40e_vf *vf, bool flr)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
bool rsd = false;
|
|
u32 reg;
|
|
int i;
|
|
|
|
/* If VFs have been disabled, there is no need to reset */
|
|
if (test_and_set_bit(__I40E_VF_DISABLE, pf->state))
|
|
return;
|
|
|
|
i40e_trigger_vf_reset(vf, flr);
|
|
|
|
/* poll VPGEN_VFRSTAT reg to make sure
|
|
* that reset is complete
|
|
*/
|
|
for (i = 0; i < 10; i++) {
|
|
/* VF reset requires driver to first reset the VF and then
|
|
* poll the status register to make sure that the reset
|
|
* completed successfully. Due to internal HW FIFO flushes,
|
|
* we must wait 10ms before the register will be valid.
|
|
*/
|
|
usleep_range(10000, 20000);
|
|
reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id));
|
|
if (reg & I40E_VPGEN_VFRSTAT_VFRD_MASK) {
|
|
rsd = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (flr)
|
|
usleep_range(10000, 20000);
|
|
|
|
if (!rsd)
|
|
dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n",
|
|
vf->vf_id);
|
|
usleep_range(10000, 20000);
|
|
|
|
/* On initial reset, we don't have any queues to disable */
|
|
if (vf->lan_vsi_idx != 0)
|
|
i40e_vsi_stop_rings(pf->vsi[vf->lan_vsi_idx]);
|
|
|
|
i40e_cleanup_reset_vf(vf);
|
|
|
|
i40e_flush(hw);
|
|
clear_bit(__I40E_VF_DISABLE, pf->state);
|
|
}
|
|
|
|
/**
|
|
* i40e_reset_all_vfs
|
|
* @pf: pointer to the PF structure
|
|
* @flr: VFLR was issued or not
|
|
*
|
|
* Reset all allocated VFs in one go. First, tell the hardware to reset each
|
|
* VF, then do all the waiting in one chunk, and finally finish restoring each
|
|
* VF after the wait. This is useful during PF routines which need to reset
|
|
* all VFs, as otherwise it must perform these resets in a serialized fashion.
|
|
**/
|
|
void i40e_reset_all_vfs(struct i40e_pf *pf, bool flr)
|
|
{
|
|
struct i40e_hw *hw = &pf->hw;
|
|
struct i40e_vf *vf;
|
|
int i, v;
|
|
u32 reg;
|
|
|
|
/* If we don't have any VFs, then there is nothing to reset */
|
|
if (!pf->num_alloc_vfs)
|
|
return;
|
|
|
|
/* If VFs have been disabled, there is no need to reset */
|
|
if (test_and_set_bit(__I40E_VF_DISABLE, pf->state))
|
|
return;
|
|
|
|
/* Begin reset on all VFs at once */
|
|
for (v = 0; v < pf->num_alloc_vfs; v++)
|
|
i40e_trigger_vf_reset(&pf->vf[v], flr);
|
|
|
|
/* HW requires some time to make sure it can flush the FIFO for a VF
|
|
* when it resets it. Poll the VPGEN_VFRSTAT register for each VF in
|
|
* sequence to make sure that it has completed. We'll keep track of
|
|
* the VFs using a simple iterator that increments once that VF has
|
|
* finished resetting.
|
|
*/
|
|
for (i = 0, v = 0; i < 10 && v < pf->num_alloc_vfs; i++) {
|
|
usleep_range(10000, 20000);
|
|
|
|
/* Check each VF in sequence, beginning with the VF to fail
|
|
* the previous check.
|
|
*/
|
|
while (v < pf->num_alloc_vfs) {
|
|
vf = &pf->vf[v];
|
|
reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id));
|
|
if (!(reg & I40E_VPGEN_VFRSTAT_VFRD_MASK))
|
|
break;
|
|
|
|
/* If the current VF has finished resetting, move on
|
|
* to the next VF in sequence.
|
|
*/
|
|
v++;
|
|
}
|
|
}
|
|
|
|
if (flr)
|
|
usleep_range(10000, 20000);
|
|
|
|
/* Display a warning if at least one VF didn't manage to reset in
|
|
* time, but continue on with the operation.
|
|
*/
|
|
if (v < pf->num_alloc_vfs)
|
|
dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n",
|
|
pf->vf[v].vf_id);
|
|
usleep_range(10000, 20000);
|
|
|
|
/* Begin disabling all the rings associated with VFs, but do not wait
|
|
* between each VF.
|
|
*/
|
|
for (v = 0; v < pf->num_alloc_vfs; v++) {
|
|
/* On initial reset, we don't have any queues to disable */
|
|
if (pf->vf[v].lan_vsi_idx == 0)
|
|
continue;
|
|
|
|
i40e_vsi_stop_rings_no_wait(pf->vsi[pf->vf[v].lan_vsi_idx]);
|
|
}
|
|
|
|
/* Now that we've notified HW to disable all of the VF rings, wait
|
|
* until they finish.
|
|
*/
|
|
for (v = 0; v < pf->num_alloc_vfs; v++) {
|
|
/* On initial reset, we don't have any queues to disable */
|
|
if (pf->vf[v].lan_vsi_idx == 0)
|
|
continue;
|
|
|
|
i40e_vsi_wait_queues_disabled(pf->vsi[pf->vf[v].lan_vsi_idx]);
|
|
}
|
|
|
|
/* Hw may need up to 50ms to finish disabling the RX queues. We
|
|
* minimize the wait by delaying only once for all VFs.
|
|
*/
|
|
mdelay(50);
|
|
|
|
/* Finish the reset on each VF */
|
|
for (v = 0; v < pf->num_alloc_vfs; v++)
|
|
i40e_cleanup_reset_vf(&pf->vf[v]);
|
|
|
|
i40e_flush(hw);
|
|
clear_bit(__I40E_VF_DISABLE, pf->state);
|
|
}
|
|
|
|
/**
|
|
* i40e_free_vfs
|
|
* @pf: pointer to the PF structure
|
|
*
|
|
* free VF resources
|
|
**/
|
|
void i40e_free_vfs(struct i40e_pf *pf)
|
|
{
|
|
struct i40e_hw *hw = &pf->hw;
|
|
u32 reg_idx, bit_idx;
|
|
int i, tmp, vf_id;
|
|
|
|
if (!pf->vf)
|
|
return;
|
|
while (test_and_set_bit(__I40E_VF_DISABLE, pf->state))
|
|
usleep_range(1000, 2000);
|
|
|
|
i40e_notify_client_of_vf_enable(pf, 0);
|
|
|
|
/* Amortize wait time by stopping all VFs at the same time */
|
|
for (i = 0; i < pf->num_alloc_vfs; i++) {
|
|
if (test_bit(I40E_VF_STATE_INIT, &pf->vf[i].vf_states))
|
|
continue;
|
|
|
|
i40e_vsi_stop_rings_no_wait(pf->vsi[pf->vf[i].lan_vsi_idx]);
|
|
}
|
|
|
|
for (i = 0; i < pf->num_alloc_vfs; i++) {
|
|
if (test_bit(I40E_VF_STATE_INIT, &pf->vf[i].vf_states))
|
|
continue;
|
|
|
|
i40e_vsi_wait_queues_disabled(pf->vsi[pf->vf[i].lan_vsi_idx]);
|
|
}
|
|
|
|
/* Disable IOV before freeing resources. This lets any VF drivers
|
|
* running in the host get themselves cleaned up before we yank
|
|
* the carpet out from underneath their feet.
|
|
*/
|
|
if (!pci_vfs_assigned(pf->pdev))
|
|
pci_disable_sriov(pf->pdev);
|
|
else
|
|
dev_warn(&pf->pdev->dev, "VFs are assigned - not disabling SR-IOV\n");
|
|
|
|
/* free up VF resources */
|
|
tmp = pf->num_alloc_vfs;
|
|
pf->num_alloc_vfs = 0;
|
|
for (i = 0; i < tmp; i++) {
|
|
if (test_bit(I40E_VF_STATE_INIT, &pf->vf[i].vf_states))
|
|
i40e_free_vf_res(&pf->vf[i]);
|
|
/* disable qp mappings */
|
|
i40e_disable_vf_mappings(&pf->vf[i]);
|
|
}
|
|
|
|
kfree(pf->vf);
|
|
pf->vf = NULL;
|
|
|
|
/* This check is for when the driver is unloaded while VFs are
|
|
* assigned. Setting the number of VFs to 0 through sysfs is caught
|
|
* before this function ever gets called.
|
|
*/
|
|
if (!pci_vfs_assigned(pf->pdev)) {
|
|
/* Acknowledge VFLR for all VFS. Without this, VFs will fail to
|
|
* work correctly when SR-IOV gets re-enabled.
|
|
*/
|
|
for (vf_id = 0; vf_id < tmp; vf_id++) {
|
|
reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
|
|
bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
|
|
wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
|
|
}
|
|
}
|
|
clear_bit(__I40E_VF_DISABLE, pf->state);
|
|
}
|
|
|
|
#ifdef CONFIG_PCI_IOV
|
|
/**
|
|
* i40e_alloc_vfs
|
|
* @pf: pointer to the PF structure
|
|
* @num_alloc_vfs: number of VFs to allocate
|
|
*
|
|
* allocate VF resources
|
|
**/
|
|
int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs)
|
|
{
|
|
struct i40e_vf *vfs;
|
|
int i, ret = 0;
|
|
|
|
/* Disable interrupt 0 so we don't try to handle the VFLR. */
|
|
i40e_irq_dynamic_disable_icr0(pf);
|
|
|
|
/* Check to see if we're just allocating resources for extant VFs */
|
|
if (pci_num_vf(pf->pdev) != num_alloc_vfs) {
|
|
ret = pci_enable_sriov(pf->pdev, num_alloc_vfs);
|
|
if (ret) {
|
|
pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED;
|
|
pf->num_alloc_vfs = 0;
|
|
goto err_iov;
|
|
}
|
|
}
|
|
/* allocate memory */
|
|
vfs = kcalloc(num_alloc_vfs, sizeof(struct i40e_vf), GFP_KERNEL);
|
|
if (!vfs) {
|
|
ret = -ENOMEM;
|
|
goto err_alloc;
|
|
}
|
|
pf->vf = vfs;
|
|
|
|
/* apply default profile */
|
|
for (i = 0; i < num_alloc_vfs; i++) {
|
|
vfs[i].pf = pf;
|
|
vfs[i].parent_type = I40E_SWITCH_ELEMENT_TYPE_VEB;
|
|
vfs[i].vf_id = i;
|
|
|
|
/* assign default capabilities */
|
|
set_bit(I40E_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps);
|
|
vfs[i].spoofchk = true;
|
|
|
|
set_bit(I40E_VF_STATE_PRE_ENABLE, &vfs[i].vf_states);
|
|
|
|
}
|
|
pf->num_alloc_vfs = num_alloc_vfs;
|
|
|
|
/* VF resources get allocated during reset */
|
|
i40e_reset_all_vfs(pf, false);
|
|
|
|
i40e_notify_client_of_vf_enable(pf, num_alloc_vfs);
|
|
|
|
err_alloc:
|
|
if (ret)
|
|
i40e_free_vfs(pf);
|
|
err_iov:
|
|
/* Re-enable interrupt 0. */
|
|
i40e_irq_dynamic_enable_icr0(pf, false);
|
|
return ret;
|
|
}
|
|
|
|
#endif
|
|
/**
|
|
* i40e_pci_sriov_enable
|
|
* @pdev: pointer to a pci_dev structure
|
|
* @num_vfs: number of VFs to allocate
|
|
*
|
|
* Enable or change the number of VFs
|
|
**/
|
|
static int i40e_pci_sriov_enable(struct pci_dev *pdev, int num_vfs)
|
|
{
|
|
#ifdef CONFIG_PCI_IOV
|
|
struct i40e_pf *pf = pci_get_drvdata(pdev);
|
|
int pre_existing_vfs = pci_num_vf(pdev);
|
|
int err = 0;
|
|
|
|
if (test_bit(__I40E_TESTING, pf->state)) {
|
|
dev_warn(&pdev->dev,
|
|
"Cannot enable SR-IOV virtual functions while the device is undergoing diagnostic testing\n");
|
|
err = -EPERM;
|
|
goto err_out;
|
|
}
|
|
|
|
if (pre_existing_vfs && pre_existing_vfs != num_vfs)
|
|
i40e_free_vfs(pf);
|
|
else if (pre_existing_vfs && pre_existing_vfs == num_vfs)
|
|
goto out;
|
|
|
|
if (num_vfs > pf->num_req_vfs) {
|
|
dev_warn(&pdev->dev, "Unable to enable %d VFs. Limited to %d VFs due to device resource constraints.\n",
|
|
num_vfs, pf->num_req_vfs);
|
|
err = -EPERM;
|
|
goto err_out;
|
|
}
|
|
|
|
dev_info(&pdev->dev, "Allocating %d VFs.\n", num_vfs);
|
|
err = i40e_alloc_vfs(pf, num_vfs);
|
|
if (err) {
|
|
dev_warn(&pdev->dev, "Failed to enable SR-IOV: %d\n", err);
|
|
goto err_out;
|
|
}
|
|
|
|
out:
|
|
return num_vfs;
|
|
|
|
err_out:
|
|
return err;
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* i40e_pci_sriov_configure
|
|
* @pdev: pointer to a pci_dev structure
|
|
* @num_vfs: number of VFs to allocate
|
|
*
|
|
* Enable or change the number of VFs. Called when the user updates the number
|
|
* of VFs in sysfs.
|
|
**/
|
|
int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs)
|
|
{
|
|
struct i40e_pf *pf = pci_get_drvdata(pdev);
|
|
|
|
if (num_vfs) {
|
|
if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
|
|
pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
|
|
i40e_do_reset_safe(pf,
|
|
BIT_ULL(__I40E_PF_RESET_REQUESTED));
|
|
}
|
|
return i40e_pci_sriov_enable(pdev, num_vfs);
|
|
}
|
|
|
|
if (!pci_vfs_assigned(pf->pdev)) {
|
|
i40e_free_vfs(pf);
|
|
pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED;
|
|
i40e_do_reset_safe(pf, BIT_ULL(__I40E_PF_RESET_REQUESTED));
|
|
} else {
|
|
dev_warn(&pdev->dev, "Unable to free VFs because some are assigned to VMs.\n");
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/***********************virtual channel routines******************/
|
|
|
|
/**
|
|
* i40e_vc_send_msg_to_vf
|
|
* @vf: pointer to the VF info
|
|
* @v_opcode: virtual channel opcode
|
|
* @v_retval: virtual channel return value
|
|
* @msg: pointer to the msg buffer
|
|
* @msglen: msg length
|
|
*
|
|
* send msg to VF
|
|
**/
|
|
static int i40e_vc_send_msg_to_vf(struct i40e_vf *vf, u32 v_opcode,
|
|
u32 v_retval, u8 *msg, u16 msglen)
|
|
{
|
|
struct i40e_pf *pf;
|
|
struct i40e_hw *hw;
|
|
int abs_vf_id;
|
|
i40e_status aq_ret;
|
|
|
|
/* validate the request */
|
|
if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs)
|
|
return -EINVAL;
|
|
|
|
pf = vf->pf;
|
|
hw = &pf->hw;
|
|
abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
|
|
|
|
/* single place to detect unsuccessful return values */
|
|
if (v_retval) {
|
|
vf->num_invalid_msgs++;
|
|
dev_info(&pf->pdev->dev, "VF %d failed opcode %d, retval: %d\n",
|
|
vf->vf_id, v_opcode, v_retval);
|
|
if (vf->num_invalid_msgs >
|
|
I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED) {
|
|
dev_err(&pf->pdev->dev,
|
|
"Number of invalid messages exceeded for VF %d\n",
|
|
vf->vf_id);
|
|
dev_err(&pf->pdev->dev, "Use PF Control I/F to enable the VF\n");
|
|
set_bit(I40E_VF_STATE_DISABLED, &vf->vf_states);
|
|
}
|
|
} else {
|
|
vf->num_valid_msgs++;
|
|
/* reset the invalid counter, if a valid message is received. */
|
|
vf->num_invalid_msgs = 0;
|
|
}
|
|
|
|
aq_ret = i40e_aq_send_msg_to_vf(hw, abs_vf_id, v_opcode, v_retval,
|
|
msg, msglen, NULL);
|
|
if (aq_ret) {
|
|
dev_info(&pf->pdev->dev,
|
|
"Unable to send the message to VF %d aq_err %d\n",
|
|
vf->vf_id, pf->hw.aq.asq_last_status);
|
|
return -EIO;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_send_resp_to_vf
|
|
* @vf: pointer to the VF info
|
|
* @opcode: operation code
|
|
* @retval: return value
|
|
*
|
|
* send resp msg to VF
|
|
**/
|
|
static int i40e_vc_send_resp_to_vf(struct i40e_vf *vf,
|
|
enum i40e_virtchnl_ops opcode,
|
|
i40e_status retval)
|
|
{
|
|
return i40e_vc_send_msg_to_vf(vf, opcode, retval, NULL, 0);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_get_version_msg
|
|
* @vf: pointer to the VF info
|
|
*
|
|
* called from the VF to request the API version used by the PF
|
|
**/
|
|
static int i40e_vc_get_version_msg(struct i40e_vf *vf, u8 *msg)
|
|
{
|
|
struct i40e_virtchnl_version_info info = {
|
|
I40E_VIRTCHNL_VERSION_MAJOR, I40E_VIRTCHNL_VERSION_MINOR
|
|
};
|
|
|
|
vf->vf_ver = *(struct i40e_virtchnl_version_info *)msg;
|
|
/* VFs running the 1.0 API expect to get 1.0 back or they will cry. */
|
|
if (VF_IS_V10(vf))
|
|
info.minor = I40E_VIRTCHNL_VERSION_MINOR_NO_VF_CAPS;
|
|
return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_VERSION,
|
|
I40E_SUCCESS, (u8 *)&info,
|
|
sizeof(struct
|
|
i40e_virtchnl_version_info));
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_get_vf_resources_msg
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
* @msglen: msg length
|
|
*
|
|
* called from the VF to request its resources
|
|
**/
|
|
static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf, u8 *msg)
|
|
{
|
|
struct i40e_virtchnl_vf_resource *vfres = NULL;
|
|
struct i40e_pf *pf = vf->pf;
|
|
i40e_status aq_ret = 0;
|
|
struct i40e_vsi *vsi;
|
|
int num_vsis = 1;
|
|
int len = 0;
|
|
int ret;
|
|
|
|
if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
|
|
len = (sizeof(struct i40e_virtchnl_vf_resource) +
|
|
sizeof(struct i40e_virtchnl_vsi_resource) * num_vsis);
|
|
|
|
vfres = kzalloc(len, GFP_KERNEL);
|
|
if (!vfres) {
|
|
aq_ret = I40E_ERR_NO_MEMORY;
|
|
len = 0;
|
|
goto err;
|
|
}
|
|
if (VF_IS_V11(vf))
|
|
vf->driver_caps = *(u32 *)msg;
|
|
else
|
|
vf->driver_caps = I40E_VIRTCHNL_VF_OFFLOAD_L2 |
|
|
I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG |
|
|
I40E_VIRTCHNL_VF_OFFLOAD_VLAN;
|
|
|
|
vfres->vf_offload_flags = I40E_VIRTCHNL_VF_OFFLOAD_L2;
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
if (!vsi->info.pvid)
|
|
vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_VLAN;
|
|
|
|
if (i40e_vf_client_capable(pf, vf->vf_id) &&
|
|
(vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_IWARP)) {
|
|
vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_IWARP;
|
|
set_bit(I40E_VF_STATE_IWARPENA, &vf->vf_states);
|
|
}
|
|
|
|
if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RSS_PF) {
|
|
vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_RSS_PF;
|
|
} else {
|
|
if ((pf->flags & I40E_FLAG_RSS_AQ_CAPABLE) &&
|
|
(vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ))
|
|
vfres->vf_offload_flags |=
|
|
I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ;
|
|
else
|
|
vfres->vf_offload_flags |=
|
|
I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG;
|
|
}
|
|
|
|
if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE) {
|
|
if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2)
|
|
vfres->vf_offload_flags |=
|
|
I40E_VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2;
|
|
}
|
|
|
|
if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_ENCAP)
|
|
vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_ENCAP;
|
|
|
|
if ((pf->flags & I40E_FLAG_OUTER_UDP_CSUM_CAPABLE) &&
|
|
(vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM))
|
|
vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM;
|
|
|
|
if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING) {
|
|
if (pf->flags & I40E_FLAG_MFP_ENABLED) {
|
|
dev_err(&pf->pdev->dev,
|
|
"VF %d requested polling mode: this feature is supported only when the device is running in single function per port (SFP) mode\n",
|
|
vf->vf_id);
|
|
ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING;
|
|
}
|
|
|
|
if (pf->flags & I40E_FLAG_WB_ON_ITR_CAPABLE) {
|
|
if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_WB_ON_ITR)
|
|
vfres->vf_offload_flags |=
|
|
I40E_VIRTCHNL_VF_OFFLOAD_WB_ON_ITR;
|
|
}
|
|
|
|
vfres->num_vsis = num_vsis;
|
|
vfres->num_queue_pairs = vf->num_queue_pairs;
|
|
vfres->max_vectors = pf->hw.func_caps.num_msix_vectors_vf;
|
|
vfres->rss_key_size = I40E_HKEY_ARRAY_SIZE;
|
|
vfres->rss_lut_size = I40E_VF_HLUT_ARRAY_SIZE;
|
|
|
|
if (vf->lan_vsi_idx) {
|
|
vfres->vsi_res[0].vsi_id = vf->lan_vsi_id;
|
|
vfres->vsi_res[0].vsi_type = I40E_VSI_SRIOV;
|
|
vfres->vsi_res[0].num_queue_pairs = vsi->alloc_queue_pairs;
|
|
/* VFs only use TC 0 */
|
|
vfres->vsi_res[0].qset_handle
|
|
= le16_to_cpu(vsi->info.qs_handle[0]);
|
|
ether_addr_copy(vfres->vsi_res[0].default_mac_addr,
|
|
vf->default_lan_addr.addr);
|
|
}
|
|
set_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states);
|
|
|
|
err:
|
|
/* send the response back to the VF */
|
|
ret = i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_VF_RESOURCES,
|
|
aq_ret, (u8 *)vfres, len);
|
|
|
|
kfree(vfres);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_reset_vf_msg
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
* @msglen: msg length
|
|
*
|
|
* called from the VF to reset itself,
|
|
* unlike other virtchnl messages, PF driver
|
|
* doesn't send the response back to the VF
|
|
**/
|
|
static void i40e_vc_reset_vf_msg(struct i40e_vf *vf)
|
|
{
|
|
if (test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states))
|
|
i40e_reset_vf(vf, false);
|
|
}
|
|
|
|
/**
|
|
* i40e_getnum_vf_vsi_vlan_filters
|
|
* @vsi: pointer to the vsi
|
|
*
|
|
* called to get the number of VLANs offloaded on this VF
|
|
**/
|
|
static inline int i40e_getnum_vf_vsi_vlan_filters(struct i40e_vsi *vsi)
|
|
{
|
|
struct i40e_mac_filter *f;
|
|
int num_vlans = 0, bkt;
|
|
|
|
hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
|
|
if (f->vlan >= 0 && f->vlan <= I40E_MAX_VLANID)
|
|
num_vlans++;
|
|
}
|
|
|
|
return num_vlans;
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_config_promiscuous_mode_msg
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
* @msglen: msg length
|
|
*
|
|
* called from the VF to configure the promiscuous mode of
|
|
* VF vsis
|
|
**/
|
|
static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf *vf,
|
|
u8 *msg, u16 msglen)
|
|
{
|
|
struct i40e_virtchnl_promisc_info *info =
|
|
(struct i40e_virtchnl_promisc_info *)msg;
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
struct i40e_mac_filter *f;
|
|
i40e_status aq_ret = 0;
|
|
bool allmulti = false;
|
|
struct i40e_vsi *vsi;
|
|
bool alluni = false;
|
|
int aq_err = 0;
|
|
int bkt;
|
|
|
|
vsi = i40e_find_vsi_from_id(pf, info->vsi_id);
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
|
|
!i40e_vc_isvalid_vsi_id(vf, info->vsi_id) ||
|
|
!vsi) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
if (!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
|
|
dev_err(&pf->pdev->dev,
|
|
"Unprivileged VF %d is attempting to configure promiscuous mode\n",
|
|
vf->vf_id);
|
|
/* Lie to the VF on purpose. */
|
|
aq_ret = 0;
|
|
goto error_param;
|
|
}
|
|
/* Multicast promiscuous handling*/
|
|
if (info->flags & I40E_FLAG_VF_MULTICAST_PROMISC)
|
|
allmulti = true;
|
|
|
|
if (vf->port_vlan_id) {
|
|
aq_ret = i40e_aq_set_vsi_mc_promisc_on_vlan(hw, vsi->seid,
|
|
allmulti,
|
|
vf->port_vlan_id,
|
|
NULL);
|
|
} else if (i40e_getnum_vf_vsi_vlan_filters(vsi)) {
|
|
hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
|
|
if (f->vlan < 0 || f->vlan > I40E_MAX_VLANID)
|
|
continue;
|
|
aq_ret = i40e_aq_set_vsi_mc_promisc_on_vlan(hw,
|
|
vsi->seid,
|
|
allmulti,
|
|
f->vlan,
|
|
NULL);
|
|
aq_err = pf->hw.aq.asq_last_status;
|
|
if (aq_ret) {
|
|
dev_err(&pf->pdev->dev,
|
|
"Could not add VLAN %d to multicast promiscuous domain err %s aq_err %s\n",
|
|
f->vlan,
|
|
i40e_stat_str(&pf->hw, aq_ret),
|
|
i40e_aq_str(&pf->hw, aq_err));
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
aq_ret = i40e_aq_set_vsi_multicast_promiscuous(hw, vsi->seid,
|
|
allmulti, NULL);
|
|
aq_err = pf->hw.aq.asq_last_status;
|
|
if (aq_ret) {
|
|
dev_err(&pf->pdev->dev,
|
|
"VF %d failed to set multicast promiscuous mode err %s aq_err %s\n",
|
|
vf->vf_id,
|
|
i40e_stat_str(&pf->hw, aq_ret),
|
|
i40e_aq_str(&pf->hw, aq_err));
|
|
goto error_param;
|
|
}
|
|
}
|
|
|
|
if (!aq_ret) {
|
|
dev_info(&pf->pdev->dev,
|
|
"VF %d successfully set multicast promiscuous mode\n",
|
|
vf->vf_id);
|
|
if (allmulti)
|
|
set_bit(I40E_VF_STATE_MC_PROMISC, &vf->vf_states);
|
|
else
|
|
clear_bit(I40E_VF_STATE_MC_PROMISC, &vf->vf_states);
|
|
}
|
|
|
|
if (info->flags & I40E_FLAG_VF_UNICAST_PROMISC)
|
|
alluni = true;
|
|
if (vf->port_vlan_id) {
|
|
aq_ret = i40e_aq_set_vsi_uc_promisc_on_vlan(hw, vsi->seid,
|
|
alluni,
|
|
vf->port_vlan_id,
|
|
NULL);
|
|
} else if (i40e_getnum_vf_vsi_vlan_filters(vsi)) {
|
|
hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
|
|
aq_ret = 0;
|
|
if (f->vlan >= 0 && f->vlan <= I40E_MAX_VLANID) {
|
|
aq_ret =
|
|
i40e_aq_set_vsi_uc_promisc_on_vlan(hw,
|
|
vsi->seid,
|
|
alluni,
|
|
f->vlan,
|
|
NULL);
|
|
aq_err = pf->hw.aq.asq_last_status;
|
|
}
|
|
if (aq_ret)
|
|
dev_err(&pf->pdev->dev,
|
|
"Could not add VLAN %d to Unicast promiscuous domain err %s aq_err %s\n",
|
|
f->vlan,
|
|
i40e_stat_str(&pf->hw, aq_ret),
|
|
i40e_aq_str(&pf->hw, aq_err));
|
|
}
|
|
} else {
|
|
aq_ret = i40e_aq_set_vsi_unicast_promiscuous(hw, vsi->seid,
|
|
allmulti, NULL,
|
|
true);
|
|
aq_err = pf->hw.aq.asq_last_status;
|
|
if (aq_ret) {
|
|
dev_err(&pf->pdev->dev,
|
|
"VF %d failed to set unicast promiscuous mode %8.8x err %s aq_err %s\n",
|
|
vf->vf_id, info->flags,
|
|
i40e_stat_str(&pf->hw, aq_ret),
|
|
i40e_aq_str(&pf->hw, aq_err));
|
|
goto error_param;
|
|
}
|
|
}
|
|
|
|
if (!aq_ret) {
|
|
dev_info(&pf->pdev->dev,
|
|
"VF %d successfully set unicast promiscuous mode\n",
|
|
vf->vf_id);
|
|
if (alluni)
|
|
set_bit(I40E_VF_STATE_UC_PROMISC, &vf->vf_states);
|
|
else
|
|
clear_bit(I40E_VF_STATE_UC_PROMISC, &vf->vf_states);
|
|
}
|
|
|
|
error_param:
|
|
/* send the response to the VF */
|
|
return i40e_vc_send_resp_to_vf(vf,
|
|
I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
|
|
aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_config_queues_msg
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
* @msglen: msg length
|
|
*
|
|
* called from the VF to configure the rx/tx
|
|
* queues
|
|
**/
|
|
static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
|
|
{
|
|
struct i40e_virtchnl_vsi_queue_config_info *qci =
|
|
(struct i40e_virtchnl_vsi_queue_config_info *)msg;
|
|
struct i40e_virtchnl_queue_pair_info *qpi;
|
|
struct i40e_pf *pf = vf->pf;
|
|
u16 vsi_id, vsi_queue_id;
|
|
i40e_status aq_ret = 0;
|
|
int i;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
vsi_id = qci->vsi_id;
|
|
if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
for (i = 0; i < qci->num_queue_pairs; i++) {
|
|
qpi = &qci->qpair[i];
|
|
vsi_queue_id = qpi->txq.queue_id;
|
|
if ((qpi->txq.vsi_id != vsi_id) ||
|
|
(qpi->rxq.vsi_id != vsi_id) ||
|
|
(qpi->rxq.queue_id != vsi_queue_id) ||
|
|
!i40e_vc_isvalid_queue_id(vf, vsi_id, vsi_queue_id)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
if (i40e_config_vsi_rx_queue(vf, vsi_id, vsi_queue_id,
|
|
&qpi->rxq) ||
|
|
i40e_config_vsi_tx_queue(vf, vsi_id, vsi_queue_id,
|
|
&qpi->txq)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
}
|
|
/* set vsi num_queue_pairs in use to num configured by VF */
|
|
pf->vsi[vf->lan_vsi_idx]->num_queue_pairs = qci->num_queue_pairs;
|
|
|
|
error_param:
|
|
/* send the response to the VF */
|
|
return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES,
|
|
aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_config_irq_map_msg
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
* @msglen: msg length
|
|
*
|
|
* called from the VF to configure the irq to
|
|
* queue map
|
|
**/
|
|
static int i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
|
|
{
|
|
struct i40e_virtchnl_irq_map_info *irqmap_info =
|
|
(struct i40e_virtchnl_irq_map_info *)msg;
|
|
struct i40e_virtchnl_vector_map *map;
|
|
u16 vsi_id, vsi_queue_id, vector_id;
|
|
i40e_status aq_ret = 0;
|
|
unsigned long tempmap;
|
|
int i;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
for (i = 0; i < irqmap_info->num_vectors; i++) {
|
|
map = &irqmap_info->vecmap[i];
|
|
|
|
vector_id = map->vector_id;
|
|
vsi_id = map->vsi_id;
|
|
/* validate msg params */
|
|
if (!i40e_vc_isvalid_vector_id(vf, vector_id) ||
|
|
!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
/* lookout for the invalid queue index */
|
|
tempmap = map->rxq_map;
|
|
for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
|
|
if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
|
|
vsi_queue_id)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
}
|
|
|
|
tempmap = map->txq_map;
|
|
for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
|
|
if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
|
|
vsi_queue_id)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
}
|
|
|
|
i40e_config_irq_link_list(vf, vsi_id, map);
|
|
}
|
|
error_param:
|
|
/* send the response to the VF */
|
|
return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP,
|
|
aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_enable_queues_msg
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
* @msglen: msg length
|
|
*
|
|
* called from the VF to enable all or specific queue(s)
|
|
**/
|
|
static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
|
|
{
|
|
struct i40e_virtchnl_queue_select *vqs =
|
|
(struct i40e_virtchnl_queue_select *)msg;
|
|
struct i40e_pf *pf = vf->pf;
|
|
u16 vsi_id = vqs->vsi_id;
|
|
i40e_status aq_ret = 0;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
if (i40e_vsi_start_rings(pf->vsi[vf->lan_vsi_idx]))
|
|
aq_ret = I40E_ERR_TIMEOUT;
|
|
error_param:
|
|
/* send the response to the VF */
|
|
return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ENABLE_QUEUES,
|
|
aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_disable_queues_msg
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
* @msglen: msg length
|
|
*
|
|
* called from the VF to disable all or specific
|
|
* queue(s)
|
|
**/
|
|
static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
|
|
{
|
|
struct i40e_virtchnl_queue_select *vqs =
|
|
(struct i40e_virtchnl_queue_select *)msg;
|
|
struct i40e_pf *pf = vf->pf;
|
|
i40e_status aq_ret = 0;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
i40e_vsi_stop_rings(pf->vsi[vf->lan_vsi_idx]);
|
|
|
|
error_param:
|
|
/* send the response to the VF */
|
|
return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DISABLE_QUEUES,
|
|
aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_get_stats_msg
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
* @msglen: msg length
|
|
*
|
|
* called from the VF to get vsi stats
|
|
**/
|
|
static int i40e_vc_get_stats_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
|
|
{
|
|
struct i40e_virtchnl_queue_select *vqs =
|
|
(struct i40e_virtchnl_queue_select *)msg;
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_eth_stats stats;
|
|
i40e_status aq_ret = 0;
|
|
struct i40e_vsi *vsi;
|
|
|
|
memset(&stats, 0, sizeof(struct i40e_eth_stats));
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
if (!vsi) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
i40e_update_eth_stats(vsi);
|
|
stats = vsi->eth_stats;
|
|
|
|
error_param:
|
|
/* send the response back to the VF */
|
|
return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_STATS, aq_ret,
|
|
(u8 *)&stats, sizeof(stats));
|
|
}
|
|
|
|
/* If the VF is not trusted restrict the number of MAC/VLAN it can program */
|
|
#define I40E_VC_MAX_MAC_ADDR_PER_VF 12
|
|
#define I40E_VC_MAX_VLAN_PER_VF 8
|
|
|
|
/**
|
|
* i40e_check_vf_permission
|
|
* @vf: pointer to the VF info
|
|
* @macaddr: pointer to the MAC Address being checked
|
|
*
|
|
* Check if the VF has permission to add or delete unicast MAC address
|
|
* filters and return error code -EPERM if not. Then check if the
|
|
* address filter requested is broadcast or zero and if so return
|
|
* an invalid MAC address error code.
|
|
**/
|
|
static inline int i40e_check_vf_permission(struct i40e_vf *vf, u8 *macaddr)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
int ret = 0;
|
|
|
|
if (is_broadcast_ether_addr(macaddr) ||
|
|
is_zero_ether_addr(macaddr)) {
|
|
dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n", macaddr);
|
|
ret = I40E_ERR_INVALID_MAC_ADDR;
|
|
} else if (vf->pf_set_mac && !is_multicast_ether_addr(macaddr) &&
|
|
!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) &&
|
|
!ether_addr_equal(macaddr, vf->default_lan_addr.addr)) {
|
|
/* If the host VMM administrator has set the VF MAC address
|
|
* administratively via the ndo_set_vf_mac command then deny
|
|
* permission to the VF to add or delete unicast MAC addresses.
|
|
* Unless the VF is privileged and then it can do whatever.
|
|
* The VF may request to set the MAC address filter already
|
|
* assigned to it so do not return an error in that case.
|
|
*/
|
|
dev_err(&pf->pdev->dev,
|
|
"VF attempting to override administratively set MAC address, reload the VF driver to resume normal operation\n");
|
|
ret = -EPERM;
|
|
} else if ((vf->num_mac >= I40E_VC_MAX_MAC_ADDR_PER_VF) &&
|
|
!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
|
|
dev_err(&pf->pdev->dev,
|
|
"VF is not trusted, switch the VF to trusted to add more functionality\n");
|
|
ret = -EPERM;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_add_mac_addr_msg
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
* @msglen: msg length
|
|
*
|
|
* add guest mac address filter
|
|
**/
|
|
static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
|
|
{
|
|
struct i40e_virtchnl_ether_addr_list *al =
|
|
(struct i40e_virtchnl_ether_addr_list *)msg;
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_vsi *vsi = NULL;
|
|
u16 vsi_id = al->vsi_id;
|
|
i40e_status ret = 0;
|
|
int i;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
|
|
!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
|
|
ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
for (i = 0; i < al->num_elements; i++) {
|
|
ret = i40e_check_vf_permission(vf, al->list[i].addr);
|
|
if (ret)
|
|
goto error_param;
|
|
}
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
|
|
/* Lock once, because all function inside for loop accesses VSI's
|
|
* MAC filter list which needs to be protected using same lock.
|
|
*/
|
|
spin_lock_bh(&vsi->mac_filter_hash_lock);
|
|
|
|
/* add new addresses to the list */
|
|
for (i = 0; i < al->num_elements; i++) {
|
|
struct i40e_mac_filter *f;
|
|
|
|
f = i40e_find_mac(vsi, al->list[i].addr);
|
|
if (!f)
|
|
f = i40e_add_mac_filter(vsi, al->list[i].addr);
|
|
|
|
if (!f) {
|
|
dev_err(&pf->pdev->dev,
|
|
"Unable to add MAC filter %pM for VF %d\n",
|
|
al->list[i].addr, vf->vf_id);
|
|
ret = I40E_ERR_PARAM;
|
|
spin_unlock_bh(&vsi->mac_filter_hash_lock);
|
|
goto error_param;
|
|
} else {
|
|
vf->num_mac++;
|
|
}
|
|
}
|
|
spin_unlock_bh(&vsi->mac_filter_hash_lock);
|
|
|
|
/* program the updated filter list */
|
|
ret = i40e_sync_vsi_filters(vsi);
|
|
if (ret)
|
|
dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n",
|
|
vf->vf_id, ret);
|
|
|
|
error_param:
|
|
/* send the response to the VF */
|
|
return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS,
|
|
ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_del_mac_addr_msg
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
* @msglen: msg length
|
|
*
|
|
* remove guest mac address filter
|
|
**/
|
|
static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
|
|
{
|
|
struct i40e_virtchnl_ether_addr_list *al =
|
|
(struct i40e_virtchnl_ether_addr_list *)msg;
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_vsi *vsi = NULL;
|
|
u16 vsi_id = al->vsi_id;
|
|
i40e_status ret = 0;
|
|
int i;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
|
|
!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
|
|
ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
for (i = 0; i < al->num_elements; i++) {
|
|
if (is_broadcast_ether_addr(al->list[i].addr) ||
|
|
is_zero_ether_addr(al->list[i].addr)) {
|
|
dev_err(&pf->pdev->dev, "Invalid MAC addr %pM for VF %d\n",
|
|
al->list[i].addr, vf->vf_id);
|
|
ret = I40E_ERR_INVALID_MAC_ADDR;
|
|
goto error_param;
|
|
}
|
|
}
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
|
|
spin_lock_bh(&vsi->mac_filter_hash_lock);
|
|
/* delete addresses from the list */
|
|
for (i = 0; i < al->num_elements; i++)
|
|
if (i40e_del_mac_filter(vsi, al->list[i].addr)) {
|
|
ret = I40E_ERR_INVALID_MAC_ADDR;
|
|
spin_unlock_bh(&vsi->mac_filter_hash_lock);
|
|
goto error_param;
|
|
} else {
|
|
vf->num_mac--;
|
|
}
|
|
|
|
spin_unlock_bh(&vsi->mac_filter_hash_lock);
|
|
|
|
/* program the updated filter list */
|
|
ret = i40e_sync_vsi_filters(vsi);
|
|
if (ret)
|
|
dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n",
|
|
vf->vf_id, ret);
|
|
|
|
error_param:
|
|
/* send the response to the VF */
|
|
return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS,
|
|
ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_add_vlan_msg
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
* @msglen: msg length
|
|
*
|
|
* program guest vlan id
|
|
**/
|
|
static int i40e_vc_add_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
|
|
{
|
|
struct i40e_virtchnl_vlan_filter_list *vfl =
|
|
(struct i40e_virtchnl_vlan_filter_list *)msg;
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_vsi *vsi = NULL;
|
|
u16 vsi_id = vfl->vsi_id;
|
|
i40e_status aq_ret = 0;
|
|
int i;
|
|
|
|
if ((vf->num_vlan >= I40E_VC_MAX_VLAN_PER_VF) &&
|
|
!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
|
|
dev_err(&pf->pdev->dev,
|
|
"VF is not trusted, switch the VF to trusted to add more VLAN addresses\n");
|
|
goto error_param;
|
|
}
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
|
|
!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
for (i = 0; i < vfl->num_elements; i++) {
|
|
if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
dev_err(&pf->pdev->dev,
|
|
"invalid VF VLAN id %d\n", vfl->vlan_id[i]);
|
|
goto error_param;
|
|
}
|
|
}
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
if (vsi->info.pvid) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
i40e_vlan_stripping_enable(vsi);
|
|
for (i = 0; i < vfl->num_elements; i++) {
|
|
/* add new VLAN filter */
|
|
int ret = i40e_vsi_add_vlan(vsi, vfl->vlan_id[i]);
|
|
if (!ret)
|
|
vf->num_vlan++;
|
|
|
|
if (test_bit(I40E_VF_STATE_UC_PROMISC, &vf->vf_states))
|
|
i40e_aq_set_vsi_uc_promisc_on_vlan(&pf->hw, vsi->seid,
|
|
true,
|
|
vfl->vlan_id[i],
|
|
NULL);
|
|
if (test_bit(I40E_VF_STATE_MC_PROMISC, &vf->vf_states))
|
|
i40e_aq_set_vsi_mc_promisc_on_vlan(&pf->hw, vsi->seid,
|
|
true,
|
|
vfl->vlan_id[i],
|
|
NULL);
|
|
|
|
if (ret)
|
|
dev_err(&pf->pdev->dev,
|
|
"Unable to add VLAN filter %d for VF %d, error %d\n",
|
|
vfl->vlan_id[i], vf->vf_id, ret);
|
|
}
|
|
|
|
error_param:
|
|
/* send the response to the VF */
|
|
return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_VLAN, aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_remove_vlan_msg
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
* @msglen: msg length
|
|
*
|
|
* remove programmed guest vlan id
|
|
**/
|
|
static int i40e_vc_remove_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
|
|
{
|
|
struct i40e_virtchnl_vlan_filter_list *vfl =
|
|
(struct i40e_virtchnl_vlan_filter_list *)msg;
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_vsi *vsi = NULL;
|
|
u16 vsi_id = vfl->vsi_id;
|
|
i40e_status aq_ret = 0;
|
|
int i;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
|
|
!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
for (i = 0; i < vfl->num_elements; i++) {
|
|
if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
}
|
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
if (vsi->info.pvid) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
for (i = 0; i < vfl->num_elements; i++) {
|
|
i40e_vsi_kill_vlan(vsi, vfl->vlan_id[i]);
|
|
vf->num_vlan--;
|
|
|
|
if (test_bit(I40E_VF_STATE_UC_PROMISC, &vf->vf_states))
|
|
i40e_aq_set_vsi_uc_promisc_on_vlan(&pf->hw, vsi->seid,
|
|
false,
|
|
vfl->vlan_id[i],
|
|
NULL);
|
|
if (test_bit(I40E_VF_STATE_MC_PROMISC, &vf->vf_states))
|
|
i40e_aq_set_vsi_mc_promisc_on_vlan(&pf->hw, vsi->seid,
|
|
false,
|
|
vfl->vlan_id[i],
|
|
NULL);
|
|
}
|
|
|
|
error_param:
|
|
/* send the response to the VF */
|
|
return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_VLAN, aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_iwarp_msg
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
* @msglen: msg length
|
|
*
|
|
* called from the VF for the iwarp msgs
|
|
**/
|
|
static int i40e_vc_iwarp_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
int abs_vf_id = vf->vf_id + pf->hw.func_caps.vf_base_id;
|
|
i40e_status aq_ret = 0;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
|
|
!test_bit(I40E_VF_STATE_IWARPENA, &vf->vf_states)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
i40e_notify_client_of_vf_msg(pf->vsi[pf->lan_vsi], abs_vf_id,
|
|
msg, msglen);
|
|
|
|
error_param:
|
|
/* send the response to the VF */
|
|
return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_IWARP,
|
|
aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_iwarp_qvmap_msg
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
* @msglen: msg length
|
|
* @config: config qvmap or release it
|
|
*
|
|
* called from the VF for the iwarp msgs
|
|
**/
|
|
static int i40e_vc_iwarp_qvmap_msg(struct i40e_vf *vf, u8 *msg, u16 msglen,
|
|
bool config)
|
|
{
|
|
struct i40e_virtchnl_iwarp_qvlist_info *qvlist_info =
|
|
(struct i40e_virtchnl_iwarp_qvlist_info *)msg;
|
|
i40e_status aq_ret = 0;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
|
|
!test_bit(I40E_VF_STATE_IWARPENA, &vf->vf_states)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
if (config) {
|
|
if (i40e_config_iwarp_qvlist(vf, qvlist_info))
|
|
aq_ret = I40E_ERR_PARAM;
|
|
} else {
|
|
i40e_release_iwarp_qvlist(vf);
|
|
}
|
|
|
|
error_param:
|
|
/* send the response to the VF */
|
|
return i40e_vc_send_resp_to_vf(vf,
|
|
config ? I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP :
|
|
I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP,
|
|
aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_config_rss_key
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
* @msglen: msg length
|
|
*
|
|
* Configure the VF's RSS key
|
|
**/
|
|
static int i40e_vc_config_rss_key(struct i40e_vf *vf, u8 *msg, u16 msglen)
|
|
{
|
|
struct i40e_virtchnl_rss_key *vrk =
|
|
(struct i40e_virtchnl_rss_key *)msg;
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_vsi *vsi = NULL;
|
|
u16 vsi_id = vrk->vsi_id;
|
|
i40e_status aq_ret = 0;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
|
|
!i40e_vc_isvalid_vsi_id(vf, vsi_id) ||
|
|
(vrk->key_len != I40E_HKEY_ARRAY_SIZE)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
aq_ret = i40e_config_rss(vsi, vrk->key, NULL, 0);
|
|
err:
|
|
/* send the response to the VF */
|
|
return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_RSS_KEY,
|
|
aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_config_rss_lut
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
* @msglen: msg length
|
|
*
|
|
* Configure the VF's RSS LUT
|
|
**/
|
|
static int i40e_vc_config_rss_lut(struct i40e_vf *vf, u8 *msg, u16 msglen)
|
|
{
|
|
struct i40e_virtchnl_rss_lut *vrl =
|
|
(struct i40e_virtchnl_rss_lut *)msg;
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_vsi *vsi = NULL;
|
|
u16 vsi_id = vrl->vsi_id;
|
|
i40e_status aq_ret = 0;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
|
|
!i40e_vc_isvalid_vsi_id(vf, vsi_id) ||
|
|
(vrl->lut_entries != I40E_VF_HLUT_ARRAY_SIZE)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
aq_ret = i40e_config_rss(vsi, NULL, vrl->lut, I40E_VF_HLUT_ARRAY_SIZE);
|
|
/* send the response to the VF */
|
|
err:
|
|
return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_RSS_LUT,
|
|
aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_get_rss_hena
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
* @msglen: msg length
|
|
*
|
|
* Return the RSS HENA bits allowed by the hardware
|
|
**/
|
|
static int i40e_vc_get_rss_hena(struct i40e_vf *vf, u8 *msg, u16 msglen)
|
|
{
|
|
struct i40e_virtchnl_rss_hena *vrh = NULL;
|
|
struct i40e_pf *pf = vf->pf;
|
|
i40e_status aq_ret = 0;
|
|
int len = 0;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
len = sizeof(struct i40e_virtchnl_rss_hena);
|
|
|
|
vrh = kzalloc(len, GFP_KERNEL);
|
|
if (!vrh) {
|
|
aq_ret = I40E_ERR_NO_MEMORY;
|
|
len = 0;
|
|
goto err;
|
|
}
|
|
vrh->hena = i40e_pf_get_default_rss_hena(pf);
|
|
err:
|
|
/* send the response back to the VF */
|
|
aq_ret = i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS,
|
|
aq_ret, (u8 *)vrh, len);
|
|
kfree(vrh);
|
|
return aq_ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_set_rss_hena
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
* @msglen: msg length
|
|
*
|
|
* Set the RSS HENA bits for the VF
|
|
**/
|
|
static int i40e_vc_set_rss_hena(struct i40e_vf *vf, u8 *msg, u16 msglen)
|
|
{
|
|
struct i40e_virtchnl_rss_hena *vrh =
|
|
(struct i40e_virtchnl_rss_hena *)msg;
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
i40e_status aq_ret = 0;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
i40e_write_rx_ctl(hw, I40E_VFQF_HENA1(0, vf->vf_id), (u32)vrh->hena);
|
|
i40e_write_rx_ctl(hw, I40E_VFQF_HENA1(1, vf->vf_id),
|
|
(u32)(vrh->hena >> 32));
|
|
|
|
/* send the response to the VF */
|
|
err:
|
|
return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_SET_RSS_HENA,
|
|
aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_validate_vf_msg
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
* @msglen: msg length
|
|
* @msghndl: msg handle
|
|
*
|
|
* validate msg
|
|
**/
|
|
static int i40e_vc_validate_vf_msg(struct i40e_vf *vf, u32 v_opcode,
|
|
u32 v_retval, u8 *msg, u16 msglen)
|
|
{
|
|
bool err_msg_format = false;
|
|
int valid_len = 0;
|
|
|
|
/* Check if VF is disabled. */
|
|
if (test_bit(I40E_VF_STATE_DISABLED, &vf->vf_states))
|
|
return I40E_ERR_PARAM;
|
|
|
|
/* Validate message length. */
|
|
switch (v_opcode) {
|
|
case I40E_VIRTCHNL_OP_VERSION:
|
|
valid_len = sizeof(struct i40e_virtchnl_version_info);
|
|
break;
|
|
case I40E_VIRTCHNL_OP_RESET_VF:
|
|
break;
|
|
case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
|
|
if (VF_IS_V11(vf))
|
|
valid_len = sizeof(u32);
|
|
break;
|
|
case I40E_VIRTCHNL_OP_CONFIG_TX_QUEUE:
|
|
valid_len = sizeof(struct i40e_virtchnl_txq_info);
|
|
break;
|
|
case I40E_VIRTCHNL_OP_CONFIG_RX_QUEUE:
|
|
valid_len = sizeof(struct i40e_virtchnl_rxq_info);
|
|
break;
|
|
case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
|
|
valid_len = sizeof(struct i40e_virtchnl_vsi_queue_config_info);
|
|
if (msglen >= valid_len) {
|
|
struct i40e_virtchnl_vsi_queue_config_info *vqc =
|
|
(struct i40e_virtchnl_vsi_queue_config_info *)msg;
|
|
valid_len += (vqc->num_queue_pairs *
|
|
sizeof(struct
|
|
i40e_virtchnl_queue_pair_info));
|
|
if (vqc->num_queue_pairs == 0)
|
|
err_msg_format = true;
|
|
}
|
|
break;
|
|
case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
|
|
valid_len = sizeof(struct i40e_virtchnl_irq_map_info);
|
|
if (msglen >= valid_len) {
|
|
struct i40e_virtchnl_irq_map_info *vimi =
|
|
(struct i40e_virtchnl_irq_map_info *)msg;
|
|
valid_len += (vimi->num_vectors *
|
|
sizeof(struct i40e_virtchnl_vector_map));
|
|
if (vimi->num_vectors == 0)
|
|
err_msg_format = true;
|
|
}
|
|
break;
|
|
case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
|
|
case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
|
|
valid_len = sizeof(struct i40e_virtchnl_queue_select);
|
|
break;
|
|
case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
|
|
case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
|
|
valid_len = sizeof(struct i40e_virtchnl_ether_addr_list);
|
|
if (msglen >= valid_len) {
|
|
struct i40e_virtchnl_ether_addr_list *veal =
|
|
(struct i40e_virtchnl_ether_addr_list *)msg;
|
|
valid_len += veal->num_elements *
|
|
sizeof(struct i40e_virtchnl_ether_addr);
|
|
if (veal->num_elements == 0)
|
|
err_msg_format = true;
|
|
}
|
|
break;
|
|
case I40E_VIRTCHNL_OP_ADD_VLAN:
|
|
case I40E_VIRTCHNL_OP_DEL_VLAN:
|
|
valid_len = sizeof(struct i40e_virtchnl_vlan_filter_list);
|
|
if (msglen >= valid_len) {
|
|
struct i40e_virtchnl_vlan_filter_list *vfl =
|
|
(struct i40e_virtchnl_vlan_filter_list *)msg;
|
|
valid_len += vfl->num_elements * sizeof(u16);
|
|
if (vfl->num_elements == 0)
|
|
err_msg_format = true;
|
|
}
|
|
break;
|
|
case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
|
|
valid_len = sizeof(struct i40e_virtchnl_promisc_info);
|
|
break;
|
|
case I40E_VIRTCHNL_OP_GET_STATS:
|
|
valid_len = sizeof(struct i40e_virtchnl_queue_select);
|
|
break;
|
|
case I40E_VIRTCHNL_OP_IWARP:
|
|
/* These messages are opaque to us and will be validated in
|
|
* the RDMA client code. We just need to check for nonzero
|
|
* length. The firmware will enforce max length restrictions.
|
|
*/
|
|
if (msglen)
|
|
valid_len = msglen;
|
|
else
|
|
err_msg_format = true;
|
|
break;
|
|
case I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP:
|
|
valid_len = 0;
|
|
break;
|
|
case I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP:
|
|
valid_len = sizeof(struct i40e_virtchnl_iwarp_qvlist_info);
|
|
if (msglen >= valid_len) {
|
|
struct i40e_virtchnl_iwarp_qvlist_info *qv =
|
|
(struct i40e_virtchnl_iwarp_qvlist_info *)msg;
|
|
if (qv->num_vectors == 0) {
|
|
err_msg_format = true;
|
|
break;
|
|
}
|
|
valid_len += ((qv->num_vectors - 1) *
|
|
sizeof(struct i40e_virtchnl_iwarp_qv_info));
|
|
}
|
|
break;
|
|
case I40E_VIRTCHNL_OP_CONFIG_RSS_KEY:
|
|
valid_len = sizeof(struct i40e_virtchnl_rss_key);
|
|
if (msglen >= valid_len) {
|
|
struct i40e_virtchnl_rss_key *vrk =
|
|
(struct i40e_virtchnl_rss_key *)msg;
|
|
if (vrk->key_len != I40E_HKEY_ARRAY_SIZE) {
|
|
err_msg_format = true;
|
|
break;
|
|
}
|
|
valid_len += vrk->key_len - 1;
|
|
}
|
|
break;
|
|
case I40E_VIRTCHNL_OP_CONFIG_RSS_LUT:
|
|
valid_len = sizeof(struct i40e_virtchnl_rss_lut);
|
|
if (msglen >= valid_len) {
|
|
struct i40e_virtchnl_rss_lut *vrl =
|
|
(struct i40e_virtchnl_rss_lut *)msg;
|
|
if (vrl->lut_entries != I40E_VF_HLUT_ARRAY_SIZE) {
|
|
err_msg_format = true;
|
|
break;
|
|
}
|
|
valid_len += vrl->lut_entries - 1;
|
|
}
|
|
break;
|
|
case I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS:
|
|
break;
|
|
case I40E_VIRTCHNL_OP_SET_RSS_HENA:
|
|
valid_len = sizeof(struct i40e_virtchnl_rss_hena);
|
|
break;
|
|
/* These are always errors coming from the VF. */
|
|
case I40E_VIRTCHNL_OP_EVENT:
|
|
case I40E_VIRTCHNL_OP_UNKNOWN:
|
|
default:
|
|
return -EPERM;
|
|
}
|
|
/* few more checks */
|
|
if ((valid_len != msglen) || (err_msg_format)) {
|
|
i40e_vc_send_resp_to_vf(vf, v_opcode, I40E_ERR_PARAM);
|
|
return -EINVAL;
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_process_vf_msg
|
|
* @pf: pointer to the PF structure
|
|
* @vf_id: source VF id
|
|
* @msg: pointer to the msg buffer
|
|
* @msglen: msg length
|
|
* @msghndl: msg handle
|
|
*
|
|
* called from the common aeq/arq handler to
|
|
* process request from VF
|
|
**/
|
|
int i40e_vc_process_vf_msg(struct i40e_pf *pf, s16 vf_id, u32 v_opcode,
|
|
u32 v_retval, u8 *msg, u16 msglen)
|
|
{
|
|
struct i40e_hw *hw = &pf->hw;
|
|
int local_vf_id = vf_id - (s16)hw->func_caps.vf_base_id;
|
|
struct i40e_vf *vf;
|
|
int ret;
|
|
|
|
pf->vf_aq_requests++;
|
|
if (local_vf_id >= pf->num_alloc_vfs)
|
|
return -EINVAL;
|
|
vf = &(pf->vf[local_vf_id]);
|
|
/* perform basic checks on the msg */
|
|
ret = i40e_vc_validate_vf_msg(vf, v_opcode, v_retval, msg, msglen);
|
|
|
|
if (ret) {
|
|
dev_err(&pf->pdev->dev, "Invalid message from VF %d, opcode %d, len %d\n",
|
|
local_vf_id, v_opcode, msglen);
|
|
return ret;
|
|
}
|
|
|
|
switch (v_opcode) {
|
|
case I40E_VIRTCHNL_OP_VERSION:
|
|
ret = i40e_vc_get_version_msg(vf, msg);
|
|
break;
|
|
case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
|
|
ret = i40e_vc_get_vf_resources_msg(vf, msg);
|
|
break;
|
|
case I40E_VIRTCHNL_OP_RESET_VF:
|
|
i40e_vc_reset_vf_msg(vf);
|
|
ret = 0;
|
|
break;
|
|
case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
|
|
ret = i40e_vc_config_promiscuous_mode_msg(vf, msg, msglen);
|
|
break;
|
|
case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
|
|
ret = i40e_vc_config_queues_msg(vf, msg, msglen);
|
|
break;
|
|
case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
|
|
ret = i40e_vc_config_irq_map_msg(vf, msg, msglen);
|
|
break;
|
|
case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
|
|
ret = i40e_vc_enable_queues_msg(vf, msg, msglen);
|
|
i40e_vc_notify_vf_link_state(vf);
|
|
break;
|
|
case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
|
|
ret = i40e_vc_disable_queues_msg(vf, msg, msglen);
|
|
break;
|
|
case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
|
|
ret = i40e_vc_add_mac_addr_msg(vf, msg, msglen);
|
|
break;
|
|
case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
|
|
ret = i40e_vc_del_mac_addr_msg(vf, msg, msglen);
|
|
break;
|
|
case I40E_VIRTCHNL_OP_ADD_VLAN:
|
|
ret = i40e_vc_add_vlan_msg(vf, msg, msglen);
|
|
break;
|
|
case I40E_VIRTCHNL_OP_DEL_VLAN:
|
|
ret = i40e_vc_remove_vlan_msg(vf, msg, msglen);
|
|
break;
|
|
case I40E_VIRTCHNL_OP_GET_STATS:
|
|
ret = i40e_vc_get_stats_msg(vf, msg, msglen);
|
|
break;
|
|
case I40E_VIRTCHNL_OP_IWARP:
|
|
ret = i40e_vc_iwarp_msg(vf, msg, msglen);
|
|
break;
|
|
case I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP:
|
|
ret = i40e_vc_iwarp_qvmap_msg(vf, msg, msglen, true);
|
|
break;
|
|
case I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP:
|
|
ret = i40e_vc_iwarp_qvmap_msg(vf, msg, msglen, false);
|
|
break;
|
|
case I40E_VIRTCHNL_OP_CONFIG_RSS_KEY:
|
|
ret = i40e_vc_config_rss_key(vf, msg, msglen);
|
|
break;
|
|
case I40E_VIRTCHNL_OP_CONFIG_RSS_LUT:
|
|
ret = i40e_vc_config_rss_lut(vf, msg, msglen);
|
|
break;
|
|
case I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS:
|
|
ret = i40e_vc_get_rss_hena(vf, msg, msglen);
|
|
break;
|
|
case I40E_VIRTCHNL_OP_SET_RSS_HENA:
|
|
ret = i40e_vc_set_rss_hena(vf, msg, msglen);
|
|
break;
|
|
|
|
case I40E_VIRTCHNL_OP_UNKNOWN:
|
|
default:
|
|
dev_err(&pf->pdev->dev, "Unsupported opcode %d from VF %d\n",
|
|
v_opcode, local_vf_id);
|
|
ret = i40e_vc_send_resp_to_vf(vf, v_opcode,
|
|
I40E_ERR_NOT_IMPLEMENTED);
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_process_vflr_event
|
|
* @pf: pointer to the PF structure
|
|
*
|
|
* called from the vlfr irq handler to
|
|
* free up VF resources and state variables
|
|
**/
|
|
int i40e_vc_process_vflr_event(struct i40e_pf *pf)
|
|
{
|
|
struct i40e_hw *hw = &pf->hw;
|
|
u32 reg, reg_idx, bit_idx;
|
|
struct i40e_vf *vf;
|
|
int vf_id;
|
|
|
|
if (!test_bit(__I40E_VFLR_EVENT_PENDING, pf->state))
|
|
return 0;
|
|
|
|
/* Re-enable the VFLR interrupt cause here, before looking for which
|
|
* VF got reset. Otherwise, if another VF gets a reset while the
|
|
* first one is being processed, that interrupt will be lost, and
|
|
* that VF will be stuck in reset forever.
|
|
*/
|
|
reg = rd32(hw, I40E_PFINT_ICR0_ENA);
|
|
reg |= I40E_PFINT_ICR0_ENA_VFLR_MASK;
|
|
wr32(hw, I40E_PFINT_ICR0_ENA, reg);
|
|
i40e_flush(hw);
|
|
|
|
clear_bit(__I40E_VFLR_EVENT_PENDING, pf->state);
|
|
for (vf_id = 0; vf_id < pf->num_alloc_vfs; vf_id++) {
|
|
reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
|
|
bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
|
|
/* read GLGEN_VFLRSTAT register to find out the flr VFs */
|
|
vf = &pf->vf[vf_id];
|
|
reg = rd32(hw, I40E_GLGEN_VFLRSTAT(reg_idx));
|
|
if (reg & BIT(bit_idx))
|
|
/* i40e_reset_vf will clear the bit in GLGEN_VFLRSTAT */
|
|
i40e_reset_vf(vf, true);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* i40e_ndo_set_vf_mac
|
|
* @netdev: network interface device structure
|
|
* @vf_id: VF identifier
|
|
* @mac: mac address
|
|
*
|
|
* program VF mac address
|
|
**/
|
|
int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_vsi *vsi = np->vsi;
|
|
struct i40e_pf *pf = vsi->back;
|
|
struct i40e_mac_filter *f;
|
|
struct i40e_vf *vf;
|
|
int ret = 0;
|
|
int bkt;
|
|
|
|
/* validate the request */
|
|
if (vf_id >= pf->num_alloc_vfs) {
|
|
dev_err(&pf->pdev->dev,
|
|
"Invalid VF Identifier %d\n", vf_id);
|
|
ret = -EINVAL;
|
|
goto error_param;
|
|
}
|
|
|
|
vf = &(pf->vf[vf_id]);
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
|
|
dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
|
|
vf_id);
|
|
ret = -EAGAIN;
|
|
goto error_param;
|
|
}
|
|
|
|
if (is_multicast_ether_addr(mac)) {
|
|
dev_err(&pf->pdev->dev,
|
|
"Invalid Ethernet address %pM for VF %d\n", mac, vf_id);
|
|
ret = -EINVAL;
|
|
goto error_param;
|
|
}
|
|
|
|
/* Lock once because below invoked function add/del_filter requires
|
|
* mac_filter_hash_lock to be held
|
|
*/
|
|
spin_lock_bh(&vsi->mac_filter_hash_lock);
|
|
|
|
/* delete the temporary mac address */
|
|
if (!is_zero_ether_addr(vf->default_lan_addr.addr))
|
|
i40e_del_mac_filter(vsi, vf->default_lan_addr.addr);
|
|
|
|
/* Delete all the filters for this VSI - we're going to kill it
|
|
* anyway.
|
|
*/
|
|
hash_for_each(vsi->mac_filter_hash, bkt, f, hlist)
|
|
__i40e_del_filter(vsi, f);
|
|
|
|
spin_unlock_bh(&vsi->mac_filter_hash_lock);
|
|
|
|
dev_info(&pf->pdev->dev, "Setting MAC %pM on VF %d\n", mac, vf_id);
|
|
/* program mac filter */
|
|
if (i40e_sync_vsi_filters(vsi)) {
|
|
dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
|
|
ret = -EIO;
|
|
goto error_param;
|
|
}
|
|
ether_addr_copy(vf->default_lan_addr.addr, mac);
|
|
vf->pf_set_mac = true;
|
|
/* Force the VF driver stop so it has to reload with new MAC address */
|
|
i40e_vc_disable_vf(pf, vf);
|
|
dev_info(&pf->pdev->dev, "Reload the VF driver to make this change effective.\n");
|
|
|
|
error_param:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_ndo_set_vf_port_vlan
|
|
* @netdev: network interface device structure
|
|
* @vf_id: VF identifier
|
|
* @vlan_id: mac address
|
|
* @qos: priority setting
|
|
* @vlan_proto: vlan protocol
|
|
*
|
|
* program VF vlan id and/or qos
|
|
**/
|
|
int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id,
|
|
u16 vlan_id, u8 qos, __be16 vlan_proto)
|
|
{
|
|
u16 vlanprio = vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT);
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
struct i40e_vsi *vsi;
|
|
struct i40e_vf *vf;
|
|
int ret = 0;
|
|
|
|
/* validate the request */
|
|
if (vf_id >= pf->num_alloc_vfs) {
|
|
dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
|
|
ret = -EINVAL;
|
|
goto error_pvid;
|
|
}
|
|
|
|
if ((vlan_id > I40E_MAX_VLANID) || (qos > 7)) {
|
|
dev_err(&pf->pdev->dev, "Invalid VF Parameters\n");
|
|
ret = -EINVAL;
|
|
goto error_pvid;
|
|
}
|
|
|
|
if (vlan_proto != htons(ETH_P_8021Q)) {
|
|
dev_err(&pf->pdev->dev, "VF VLAN protocol is not supported\n");
|
|
ret = -EPROTONOSUPPORT;
|
|
goto error_pvid;
|
|
}
|
|
|
|
vf = &(pf->vf[vf_id]);
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
|
|
dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
|
|
vf_id);
|
|
ret = -EAGAIN;
|
|
goto error_pvid;
|
|
}
|
|
|
|
if (le16_to_cpu(vsi->info.pvid) == vlanprio)
|
|
/* duplicate request, so just return success */
|
|
goto error_pvid;
|
|
|
|
/* Locked once because multiple functions below iterate list */
|
|
spin_lock_bh(&vsi->mac_filter_hash_lock);
|
|
|
|
if (le16_to_cpu(vsi->info.pvid) == 0 && i40e_is_vsi_in_vlan(vsi)) {
|
|
dev_err(&pf->pdev->dev,
|
|
"VF %d has already configured VLAN filters and the administrator is requesting a port VLAN override.\nPlease unload and reload the VF driver for this change to take effect.\n",
|
|
vf_id);
|
|
/* Administrator Error - knock the VF offline until he does
|
|
* the right thing by reconfiguring his network correctly
|
|
* and then reloading the VF driver.
|
|
*/
|
|
i40e_vc_disable_vf(pf, vf);
|
|
/* During reset the VF got a new VSI, so refresh the pointer. */
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
}
|
|
|
|
/* Check for condition where there was already a port VLAN ID
|
|
* filter set and now it is being deleted by setting it to zero.
|
|
* Additionally check for the condition where there was a port
|
|
* VLAN but now there is a new and different port VLAN being set.
|
|
* Before deleting all the old VLAN filters we must add new ones
|
|
* with -1 (I40E_VLAN_ANY) or otherwise we're left with all our
|
|
* MAC addresses deleted.
|
|
*/
|
|
if ((!(vlan_id || qos) ||
|
|
vlanprio != le16_to_cpu(vsi->info.pvid)) &&
|
|
vsi->info.pvid) {
|
|
ret = i40e_add_vlan_all_mac(vsi, I40E_VLAN_ANY);
|
|
if (ret) {
|
|
dev_info(&vsi->back->pdev->dev,
|
|
"add VF VLAN failed, ret=%d aq_err=%d\n", ret,
|
|
vsi->back->hw.aq.asq_last_status);
|
|
spin_unlock_bh(&vsi->mac_filter_hash_lock);
|
|
goto error_pvid;
|
|
}
|
|
}
|
|
|
|
if (vsi->info.pvid) {
|
|
/* remove all filters on the old VLAN */
|
|
i40e_rm_vlan_all_mac(vsi, (le16_to_cpu(vsi->info.pvid) &
|
|
VLAN_VID_MASK));
|
|
}
|
|
|
|
if (vlan_id || qos)
|
|
ret = i40e_vsi_add_pvid(vsi, vlanprio);
|
|
else
|
|
i40e_vsi_remove_pvid(vsi);
|
|
|
|
if (vlan_id) {
|
|
dev_info(&pf->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n",
|
|
vlan_id, qos, vf_id);
|
|
|
|
/* add new VLAN filter for each MAC */
|
|
ret = i40e_add_vlan_all_mac(vsi, vlan_id);
|
|
if (ret) {
|
|
dev_info(&vsi->back->pdev->dev,
|
|
"add VF VLAN failed, ret=%d aq_err=%d\n", ret,
|
|
vsi->back->hw.aq.asq_last_status);
|
|
spin_unlock_bh(&vsi->mac_filter_hash_lock);
|
|
goto error_pvid;
|
|
}
|
|
|
|
/* remove the previously added non-VLAN MAC filters */
|
|
i40e_rm_vlan_all_mac(vsi, I40E_VLAN_ANY);
|
|
}
|
|
|
|
spin_unlock_bh(&vsi->mac_filter_hash_lock);
|
|
|
|
/* Schedule the worker thread to take care of applying changes */
|
|
i40e_service_event_schedule(vsi->back);
|
|
|
|
if (ret) {
|
|
dev_err(&pf->pdev->dev, "Unable to update VF vsi context\n");
|
|
goto error_pvid;
|
|
}
|
|
|
|
/* The Port VLAN needs to be saved across resets the same as the
|
|
* default LAN MAC address.
|
|
*/
|
|
vf->port_vlan_id = le16_to_cpu(vsi->info.pvid);
|
|
ret = 0;
|
|
|
|
error_pvid:
|
|
return ret;
|
|
}
|
|
|
|
#define I40E_BW_CREDIT_DIVISOR 50 /* 50Mbps per BW credit */
|
|
#define I40E_MAX_BW_INACTIVE_ACCUM 4 /* device can accumulate 4 credits max */
|
|
/**
|
|
* i40e_ndo_set_vf_bw
|
|
* @netdev: network interface device structure
|
|
* @vf_id: VF identifier
|
|
* @tx_rate: Tx rate
|
|
*
|
|
* configure VF Tx rate
|
|
**/
|
|
int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
|
|
int max_tx_rate)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
struct i40e_vsi *vsi;
|
|
struct i40e_vf *vf;
|
|
int speed = 0;
|
|
int ret = 0;
|
|
|
|
/* validate the request */
|
|
if (vf_id >= pf->num_alloc_vfs) {
|
|
dev_err(&pf->pdev->dev, "Invalid VF Identifier %d.\n", vf_id);
|
|
ret = -EINVAL;
|
|
goto error;
|
|
}
|
|
|
|
if (min_tx_rate) {
|
|
dev_err(&pf->pdev->dev, "Invalid min tx rate (%d) (greater than 0) specified for VF %d.\n",
|
|
min_tx_rate, vf_id);
|
|
return -EINVAL;
|
|
}
|
|
|
|
vf = &(pf->vf[vf_id]);
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
|
|
dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
|
|
vf_id);
|
|
ret = -EAGAIN;
|
|
goto error;
|
|
}
|
|
|
|
switch (pf->hw.phy.link_info.link_speed) {
|
|
case I40E_LINK_SPEED_40GB:
|
|
speed = 40000;
|
|
break;
|
|
case I40E_LINK_SPEED_25GB:
|
|
speed = 25000;
|
|
break;
|
|
case I40E_LINK_SPEED_20GB:
|
|
speed = 20000;
|
|
break;
|
|
case I40E_LINK_SPEED_10GB:
|
|
speed = 10000;
|
|
break;
|
|
case I40E_LINK_SPEED_1GB:
|
|
speed = 1000;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (max_tx_rate > speed) {
|
|
dev_err(&pf->pdev->dev, "Invalid max tx rate %d specified for VF %d.\n",
|
|
max_tx_rate, vf->vf_id);
|
|
ret = -EINVAL;
|
|
goto error;
|
|
}
|
|
|
|
if ((max_tx_rate < 50) && (max_tx_rate > 0)) {
|
|
dev_warn(&pf->pdev->dev, "Setting max Tx rate to minimum usable value of 50Mbps.\n");
|
|
max_tx_rate = 50;
|
|
}
|
|
|
|
/* Tx rate credits are in values of 50Mbps, 0 is disabled*/
|
|
ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid,
|
|
max_tx_rate / I40E_BW_CREDIT_DIVISOR,
|
|
I40E_MAX_BW_INACTIVE_ACCUM, NULL);
|
|
if (ret) {
|
|
dev_err(&pf->pdev->dev, "Unable to set max tx rate, error code %d.\n",
|
|
ret);
|
|
ret = -EIO;
|
|
goto error;
|
|
}
|
|
vf->tx_rate = max_tx_rate;
|
|
error:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_ndo_get_vf_config
|
|
* @netdev: network interface device structure
|
|
* @vf_id: VF identifier
|
|
* @ivi: VF configuration structure
|
|
*
|
|
* return VF configuration
|
|
**/
|
|
int i40e_ndo_get_vf_config(struct net_device *netdev,
|
|
int vf_id, struct ifla_vf_info *ivi)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_vsi *vsi = np->vsi;
|
|
struct i40e_pf *pf = vsi->back;
|
|
struct i40e_vf *vf;
|
|
int ret = 0;
|
|
|
|
/* validate the request */
|
|
if (vf_id >= pf->num_alloc_vfs) {
|
|
dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
|
|
ret = -EINVAL;
|
|
goto error_param;
|
|
}
|
|
|
|
vf = &(pf->vf[vf_id]);
|
|
/* first vsi is always the LAN vsi */
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
|
|
dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
|
|
vf_id);
|
|
ret = -EAGAIN;
|
|
goto error_param;
|
|
}
|
|
|
|
ivi->vf = vf_id;
|
|
|
|
ether_addr_copy(ivi->mac, vf->default_lan_addr.addr);
|
|
|
|
ivi->max_tx_rate = vf->tx_rate;
|
|
ivi->min_tx_rate = 0;
|
|
ivi->vlan = le16_to_cpu(vsi->info.pvid) & I40E_VLAN_MASK;
|
|
ivi->qos = (le16_to_cpu(vsi->info.pvid) & I40E_PRIORITY_MASK) >>
|
|
I40E_VLAN_PRIORITY_SHIFT;
|
|
if (vf->link_forced == false)
|
|
ivi->linkstate = IFLA_VF_LINK_STATE_AUTO;
|
|
else if (vf->link_up == true)
|
|
ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE;
|
|
else
|
|
ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE;
|
|
ivi->spoofchk = vf->spoofchk;
|
|
ivi->trusted = vf->trusted;
|
|
ret = 0;
|
|
|
|
error_param:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_ndo_set_vf_link_state
|
|
* @netdev: network interface device structure
|
|
* @vf_id: VF identifier
|
|
* @link: required link state
|
|
*
|
|
* Set the link state of a specified VF, regardless of physical link state
|
|
**/
|
|
int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
struct i40e_virtchnl_pf_event pfe;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
struct i40e_vf *vf;
|
|
int abs_vf_id;
|
|
int ret = 0;
|
|
|
|
/* validate the request */
|
|
if (vf_id >= pf->num_alloc_vfs) {
|
|
dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
|
|
ret = -EINVAL;
|
|
goto error_out;
|
|
}
|
|
|
|
vf = &pf->vf[vf_id];
|
|
abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
|
|
|
|
pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE;
|
|
pfe.severity = I40E_PF_EVENT_SEVERITY_INFO;
|
|
|
|
switch (link) {
|
|
case IFLA_VF_LINK_STATE_AUTO:
|
|
vf->link_forced = false;
|
|
pfe.event_data.link_event.link_status =
|
|
pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP;
|
|
pfe.event_data.link_event.link_speed =
|
|
pf->hw.phy.link_info.link_speed;
|
|
break;
|
|
case IFLA_VF_LINK_STATE_ENABLE:
|
|
vf->link_forced = true;
|
|
vf->link_up = true;
|
|
pfe.event_data.link_event.link_status = true;
|
|
pfe.event_data.link_event.link_speed = I40E_LINK_SPEED_40GB;
|
|
break;
|
|
case IFLA_VF_LINK_STATE_DISABLE:
|
|
vf->link_forced = true;
|
|
vf->link_up = false;
|
|
pfe.event_data.link_event.link_status = false;
|
|
pfe.event_data.link_event.link_speed = 0;
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
goto error_out;
|
|
}
|
|
/* Notify the VF of its new link state */
|
|
i40e_aq_send_msg_to_vf(hw, abs_vf_id, I40E_VIRTCHNL_OP_EVENT,
|
|
0, (u8 *)&pfe, sizeof(pfe), NULL);
|
|
|
|
error_out:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_ndo_set_vf_spoofchk
|
|
* @netdev: network interface device structure
|
|
* @vf_id: VF identifier
|
|
* @enable: flag to enable or disable feature
|
|
*
|
|
* Enable or disable VF spoof checking
|
|
**/
|
|
int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_vsi *vsi = np->vsi;
|
|
struct i40e_pf *pf = vsi->back;
|
|
struct i40e_vsi_context ctxt;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
struct i40e_vf *vf;
|
|
int ret = 0;
|
|
|
|
/* validate the request */
|
|
if (vf_id >= pf->num_alloc_vfs) {
|
|
dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
|
|
vf = &(pf->vf[vf_id]);
|
|
if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
|
|
dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
|
|
vf_id);
|
|
ret = -EAGAIN;
|
|
goto out;
|
|
}
|
|
|
|
if (enable == vf->spoofchk)
|
|
goto out;
|
|
|
|
vf->spoofchk = enable;
|
|
memset(&ctxt, 0, sizeof(ctxt));
|
|
ctxt.seid = pf->vsi[vf->lan_vsi_idx]->seid;
|
|
ctxt.pf_num = pf->hw.pf_id;
|
|
ctxt.info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SECURITY_VALID);
|
|
if (enable)
|
|
ctxt.info.sec_flags |= (I40E_AQ_VSI_SEC_FLAG_ENABLE_VLAN_CHK |
|
|
I40E_AQ_VSI_SEC_FLAG_ENABLE_MAC_CHK);
|
|
ret = i40e_aq_update_vsi_params(hw, &ctxt, NULL);
|
|
if (ret) {
|
|
dev_err(&pf->pdev->dev, "Error %d updating VSI parameters\n",
|
|
ret);
|
|
ret = -EIO;
|
|
}
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_ndo_set_vf_trust
|
|
* @netdev: network interface device structure of the pf
|
|
* @vf_id: VF identifier
|
|
* @setting: trust setting
|
|
*
|
|
* Enable or disable VF trust setting
|
|
**/
|
|
int i40e_ndo_set_vf_trust(struct net_device *netdev, int vf_id, bool setting)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
struct i40e_vf *vf;
|
|
int ret = 0;
|
|
|
|
/* validate the request */
|
|
if (vf_id >= pf->num_alloc_vfs) {
|
|
dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (pf->flags & I40E_FLAG_MFP_ENABLED) {
|
|
dev_err(&pf->pdev->dev, "Trusted VF not supported in MFP mode.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
vf = &pf->vf[vf_id];
|
|
|
|
if (!vf)
|
|
return -EINVAL;
|
|
if (setting == vf->trusted)
|
|
goto out;
|
|
|
|
vf->trusted = setting;
|
|
i40e_vc_notify_vf_reset(vf);
|
|
i40e_reset_vf(vf, false);
|
|
dev_info(&pf->pdev->dev, "VF %u is now %strusted\n",
|
|
vf_id, setting ? "" : "un");
|
|
out:
|
|
return ret;
|
|
}
|