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linux-zen-server/drivers/net/ethernet/qlogic/qed/qed_vf.c

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// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
/* QLogic qed NIC Driver
* Copyright (c) 2015-2017 QLogic Corporation
* Copyright (c) 2019-2020 Marvell International Ltd.
*/
#include <linux/crc32.h>
#include <linux/etherdevice.h>
#include "qed.h"
#include "qed_sriov.h"
#include "qed_vf.h"
static void *qed_vf_pf_prep(struct qed_hwfn *p_hwfn, u16 type, u16 length)
{
struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
void *p_tlv;
/* This lock is released when we receive PF's response
* in qed_send_msg2pf().
* So, qed_vf_pf_prep() and qed_send_msg2pf()
* must come in sequence.
*/
mutex_lock(&(p_iov->mutex));
DP_VERBOSE(p_hwfn,
QED_MSG_IOV,
"preparing to send 0x%04x tlv over vf pf channel\n",
type);
/* Reset Request offset */
p_iov->offset = (u8 *)p_iov->vf2pf_request;
/* Clear mailbox - both request and reply */
memset(p_iov->vf2pf_request, 0, sizeof(union vfpf_tlvs));
memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
/* Init type and length */
p_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, type, length);
/* Init first tlv header */
((struct vfpf_first_tlv *)p_tlv)->reply_address =
(u64)p_iov->pf2vf_reply_phys;
return p_tlv;
}
static void qed_vf_pf_req_end(struct qed_hwfn *p_hwfn, int req_status)
{
union pfvf_tlvs *resp = p_hwfn->vf_iov_info->pf2vf_reply;
DP_VERBOSE(p_hwfn, QED_MSG_IOV,
"VF request status = 0x%x, PF reply status = 0x%x\n",
req_status, resp->default_resp.hdr.status);
mutex_unlock(&(p_hwfn->vf_iov_info->mutex));
}
#define QED_VF_CHANNEL_USLEEP_ITERATIONS 90
#define QED_VF_CHANNEL_USLEEP_DELAY 100
#define QED_VF_CHANNEL_MSLEEP_ITERATIONS 10
#define QED_VF_CHANNEL_MSLEEP_DELAY 25
static int qed_send_msg2pf(struct qed_hwfn *p_hwfn, u8 *done, u32 resp_size)
{
union vfpf_tlvs *p_req = p_hwfn->vf_iov_info->vf2pf_request;
struct ustorm_trigger_vf_zone trigger;
struct ustorm_vf_zone *zone_data;
int iter, rc = 0;
zone_data = (struct ustorm_vf_zone *)PXP_VF_BAR0_START_USDM_ZONE_B;
/* output tlvs list */
qed_dp_tlv_list(p_hwfn, p_req);
/* need to add the END TLV to the message size */
resp_size += sizeof(struct channel_list_end_tlv);
/* Send TLVs over HW channel */
memset(&trigger, 0, sizeof(struct ustorm_trigger_vf_zone));
trigger.vf_pf_msg_valid = 1;
DP_VERBOSE(p_hwfn,
QED_MSG_IOV,
"VF -> PF [%02x] message: [%08x, %08x] --> %p, %08x --> %p\n",
GET_FIELD(p_hwfn->hw_info.concrete_fid,
PXP_CONCRETE_FID_PFID),
upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
&zone_data->non_trigger.vf_pf_msg_addr,
*((u32 *)&trigger), &zone_data->trigger);
REG_WR(p_hwfn,
(uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.lo,
lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
REG_WR(p_hwfn,
(uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.hi,
upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
/* The message data must be written first, to prevent trigger before
* data is written.
*/
wmb();
REG_WR(p_hwfn, (uintptr_t)&zone_data->trigger, *((u32 *)&trigger));
/* When PF would be done with the response, it would write back to the
* `done' address from a coherent DMA zone. Poll until then.
*/
iter = QED_VF_CHANNEL_USLEEP_ITERATIONS;
while (!*done && iter--) {
udelay(QED_VF_CHANNEL_USLEEP_DELAY);
dma_rmb();
}
iter = QED_VF_CHANNEL_MSLEEP_ITERATIONS;
while (!*done && iter--) {
msleep(QED_VF_CHANNEL_MSLEEP_DELAY);
dma_rmb();
}
if (!*done) {
DP_NOTICE(p_hwfn,
"VF <-- PF Timeout [Type %d]\n",
p_req->first_tlv.tl.type);
rc = -EBUSY;
} else {
if ((*done != PFVF_STATUS_SUCCESS) &&
(*done != PFVF_STATUS_NO_RESOURCE))
DP_NOTICE(p_hwfn,
"PF response: %d [Type %d]\n",
*done, p_req->first_tlv.tl.type);
else
DP_VERBOSE(p_hwfn, QED_MSG_IOV,
"PF response: %d [Type %d]\n",
*done, p_req->first_tlv.tl.type);
}
return rc;
}
static void qed_vf_pf_add_qid(struct qed_hwfn *p_hwfn,
struct qed_queue_cid *p_cid)
{
struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
struct vfpf_qid_tlv *p_qid_tlv;
/* Only add QIDs for the queue if it was negotiated with PF */
if (!(p_iov->acquire_resp.pfdev_info.capabilities &
PFVF_ACQUIRE_CAP_QUEUE_QIDS))
return;
p_qid_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
CHANNEL_TLV_QID, sizeof(*p_qid_tlv));
p_qid_tlv->qid = p_cid->qid_usage_idx;
}
static int _qed_vf_pf_release(struct qed_hwfn *p_hwfn, bool b_final)
{
struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
struct pfvf_def_resp_tlv *resp;
struct vfpf_first_tlv *req;
u32 size;
int rc;
/* clear mailbox and prep first tlv */
req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req));
/* add list termination tlv */
qed_add_tlv(p_hwfn, &p_iov->offset,
CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
resp = &p_iov->pf2vf_reply->default_resp;
rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
if (!rc && resp->hdr.status != PFVF_STATUS_SUCCESS)
rc = -EAGAIN;
qed_vf_pf_req_end(p_hwfn, rc);
if (!b_final)
return rc;
p_hwfn->b_int_enabled = 0;
if (p_iov->vf2pf_request)
dma_free_coherent(&p_hwfn->cdev->pdev->dev,
sizeof(union vfpf_tlvs),
p_iov->vf2pf_request,
p_iov->vf2pf_request_phys);
if (p_iov->pf2vf_reply)
dma_free_coherent(&p_hwfn->cdev->pdev->dev,
sizeof(union pfvf_tlvs),
p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys);
if (p_iov->bulletin.p_virt) {
size = sizeof(struct qed_bulletin_content);
dma_free_coherent(&p_hwfn->cdev->pdev->dev,
size,
p_iov->bulletin.p_virt, p_iov->bulletin.phys);
}
kfree(p_hwfn->vf_iov_info);
p_hwfn->vf_iov_info = NULL;
return rc;
}
int qed_vf_pf_release(struct qed_hwfn *p_hwfn)
{
return _qed_vf_pf_release(p_hwfn, true);
}
#define VF_ACQUIRE_THRESH 3
static void qed_vf_pf_acquire_reduce_resc(struct qed_hwfn *p_hwfn,
struct vf_pf_resc_request *p_req,
struct pf_vf_resc *p_resp)
{
DP_VERBOSE(p_hwfn,
QED_MSG_IOV,
"PF unwilling to fulfill resource request: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x] cids [%02x/%02x]. Try PF recommended amount\n",
p_req->num_rxqs,
p_resp->num_rxqs,
p_req->num_rxqs,
p_resp->num_txqs,
p_req->num_sbs,
p_resp->num_sbs,
p_req->num_mac_filters,
p_resp->num_mac_filters,
p_req->num_vlan_filters,
p_resp->num_vlan_filters,
p_req->num_mc_filters,
p_resp->num_mc_filters, p_req->num_cids, p_resp->num_cids);
/* humble our request */
p_req->num_txqs = p_resp->num_txqs;
p_req->num_rxqs = p_resp->num_rxqs;
p_req->num_sbs = p_resp->num_sbs;
p_req->num_mac_filters = p_resp->num_mac_filters;
p_req->num_vlan_filters = p_resp->num_vlan_filters;
p_req->num_mc_filters = p_resp->num_mc_filters;
p_req->num_cids = p_resp->num_cids;
}
static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn)
{
struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp;
struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
struct vf_pf_resc_request *p_resc;
u8 retry_cnt = VF_ACQUIRE_THRESH;
bool resources_acquired = false;
struct vfpf_acquire_tlv *req;
int rc = 0, attempts = 0;
/* clear mailbox and prep first tlv */
req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_ACQUIRE, sizeof(*req));
p_resc = &req->resc_request;
/* starting filling the request */
req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid;
p_resc->num_rxqs = QED_MAX_VF_CHAINS_PER_PF;
p_resc->num_txqs = QED_MAX_VF_CHAINS_PER_PF;
p_resc->num_sbs = QED_MAX_VF_CHAINS_PER_PF;
p_resc->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
p_resc->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
p_resc->num_cids = QED_ETH_VF_DEFAULT_NUM_CIDS;
req->vfdev_info.os_type = VFPF_ACQUIRE_OS_LINUX;
req->vfdev_info.fw_major = FW_MAJOR_VERSION;
req->vfdev_info.fw_minor = FW_MINOR_VERSION;
req->vfdev_info.fw_revision = FW_REVISION_VERSION;
req->vfdev_info.fw_engineering = FW_ENGINEERING_VERSION;
req->vfdev_info.eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
req->vfdev_info.eth_fp_hsi_minor = ETH_HSI_VER_MINOR;
/* Fill capability field with any non-deprecated config we support */
req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G;
/* If we've mapped the doorbell bar, try using queue qids */
if (p_iov->b_doorbell_bar) {
req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_PHYSICAL_BAR |
VFPF_ACQUIRE_CAP_QUEUE_QIDS;
p_resc->num_cids = QED_ETH_VF_MAX_NUM_CIDS;
}
/* pf 2 vf bulletin board address */
req->bulletin_addr = p_iov->bulletin.phys;
req->bulletin_size = p_iov->bulletin.size;
/* add list termination tlv */
qed_add_tlv(p_hwfn, &p_iov->offset,
CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
while (!resources_acquired) {
DP_VERBOSE(p_hwfn,
QED_MSG_IOV, "attempting to acquire resources\n");
/* Clear response buffer, as this might be a re-send */
memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
/* send acquire request */
rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
/* Re-try acquire in case of vf-pf hw channel timeout */
if (retry_cnt && rc == -EBUSY) {
DP_VERBOSE(p_hwfn, QED_MSG_IOV,
"VF retrying to acquire due to VPC timeout\n");
retry_cnt--;
continue;
}
if (rc)
goto exit;
/* copy acquire response from buffer to p_hwfn */
memcpy(&p_iov->acquire_resp, resp, sizeof(p_iov->acquire_resp));
attempts++;
if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
/* PF agrees to allocate our resources */
if (!(resp->pfdev_info.capabilities &
PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE)) {
/* It's possible legacy PF mistakenly accepted;
* but we don't care - simply mark it as
* legacy and continue.
*/
req->vfdev_info.capabilities |=
VFPF_ACQUIRE_CAP_PRE_FP_HSI;
}
DP_VERBOSE(p_hwfn, QED_MSG_IOV, "resources acquired\n");
resources_acquired = true;
} else if (resp->hdr.status == PFVF_STATUS_NO_RESOURCE &&
attempts < VF_ACQUIRE_THRESH) {
qed_vf_pf_acquire_reduce_resc(p_hwfn, p_resc,
&resp->resc);
} else if (resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED) {
if (pfdev_info->major_fp_hsi &&
(pfdev_info->major_fp_hsi != ETH_HSI_VER_MAJOR)) {
DP_NOTICE(p_hwfn,
"PF uses an incompatible fastpath HSI %02x.%02x [VF requires %02x.%02x]. Please change to a VF driver using %02x.xx.\n",
pfdev_info->major_fp_hsi,
pfdev_info->minor_fp_hsi,
ETH_HSI_VER_MAJOR,
ETH_HSI_VER_MINOR,
pfdev_info->major_fp_hsi);
rc = -EINVAL;
goto exit;
}
if (!pfdev_info->major_fp_hsi) {
if (req->vfdev_info.capabilities &
VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
DP_NOTICE(p_hwfn,
"PF uses very old drivers. Please change to a VF driver using no later than 8.8.x.x.\n");
rc = -EINVAL;
goto exit;
} else {
DP_INFO(p_hwfn,
"PF is old - try re-acquire to see if it supports FW-version override\n");
req->vfdev_info.capabilities |=
VFPF_ACQUIRE_CAP_PRE_FP_HSI;
continue;
}
}
/* If PF/VF are using same Major, PF must have had
* it's reasons. Simply fail.
*/
DP_NOTICE(p_hwfn, "PF rejected acquisition by VF\n");
rc = -EINVAL;
goto exit;
} else {
DP_ERR(p_hwfn,
"PF returned error %d to VF acquisition request\n",
resp->hdr.status);
rc = -EAGAIN;
goto exit;
}
}
/* Mark the PF as legacy, if needed */
if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_PRE_FP_HSI)
p_iov->b_pre_fp_hsi = true;
/* In case PF doesn't support multi-queue Tx, update the number of
* CIDs to reflect the number of queues [older PFs didn't fill that
* field].
*/
if (!(resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_QUEUE_QIDS))
resp->resc.num_cids = resp->resc.num_rxqs + resp->resc.num_txqs;
/* Update bulletin board size with response from PF */
p_iov->bulletin.size = resp->bulletin_size;
/* get HW info */
p_hwfn->cdev->type = resp->pfdev_info.dev_type;
p_hwfn->cdev->chip_rev = resp->pfdev_info.chip_rev;
p_hwfn->cdev->chip_num = pfdev_info->chip_num & 0xffff;
/* Learn of the possibility of CMT */
if (IS_LEAD_HWFN(p_hwfn)) {
if (resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_100G) {
DP_NOTICE(p_hwfn, "100g VF\n");
p_hwfn->cdev->num_hwfns = 2;
}
}
if (!p_iov->b_pre_fp_hsi &&
(resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) {
DP_INFO(p_hwfn,
"PF is using older fastpath HSI; %02x.%02x is configured\n",
ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi);
}
exit:
qed_vf_pf_req_end(p_hwfn, rc);
return rc;
}
u32 qed_vf_hw_bar_size(struct qed_hwfn *p_hwfn, enum BAR_ID bar_id)
{
u32 bar_size;
/* Regview size is fixed */
if (bar_id == BAR_ID_0)
return 1 << 17;
/* Doorbell is received from PF */
bar_size = p_hwfn->vf_iov_info->acquire_resp.pfdev_info.bar_size;
if (bar_size)
return 1 << bar_size;
return 0;
}
int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
{
struct qed_hwfn *p_lead = QED_LEADING_HWFN(p_hwfn->cdev);
struct qed_vf_iov *p_iov;
u32 reg;
int rc;
/* Set number of hwfns - might be overridden once leading hwfn learns
* actual configuration from PF.
*/
if (IS_LEAD_HWFN(p_hwfn))
p_hwfn->cdev->num_hwfns = 1;
reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS;
p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg);
reg = PXP_VF_BAR0_ME_CONCRETE_ADDRESS;
p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, reg);
/* Allocate vf sriov info */
p_iov = kzalloc(sizeof(*p_iov), GFP_KERNEL);
if (!p_iov)
return -ENOMEM;
/* Doorbells are tricky; Upper-layer has alreday set the hwfn doorbell
* value, but there are several incompatibily scenarios where that
* would be incorrect and we'd need to override it.
*/
if (!p_hwfn->doorbells) {
p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
PXP_VF_BAR0_START_DQ;
} else if (p_hwfn == p_lead) {
/* For leading hw-function, value is always correct, but need
* to handle scenario where legacy PF would not support 100g
* mapped bars later.
*/
p_iov->b_doorbell_bar = true;
} else {
/* here, value would be correct ONLY if the leading hwfn
* received indication that mapped-bars are supported.
*/
if (p_lead->vf_iov_info->b_doorbell_bar)
p_iov->b_doorbell_bar = true;
else
p_hwfn->doorbells = (u8 __iomem *)
p_hwfn->regview + PXP_VF_BAR0_START_DQ;
}
/* Allocate vf2pf msg */
p_iov->vf2pf_request = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
sizeof(union vfpf_tlvs),
&p_iov->vf2pf_request_phys,
GFP_KERNEL);
if (!p_iov->vf2pf_request)
goto free_p_iov;
p_iov->pf2vf_reply = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
sizeof(union pfvf_tlvs),
&p_iov->pf2vf_reply_phys,
GFP_KERNEL);
if (!p_iov->pf2vf_reply)
goto free_vf2pf_request;
DP_VERBOSE(p_hwfn,
QED_MSG_IOV,
"VF's Request mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys]\n",
p_iov->vf2pf_request,
(u64)p_iov->vf2pf_request_phys,
p_iov->pf2vf_reply, (u64)p_iov->pf2vf_reply_phys);
/* Allocate Bulletin board */
p_iov->bulletin.size = sizeof(struct qed_bulletin_content);
p_iov->bulletin.p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
p_iov->bulletin.size,
&p_iov->bulletin.phys,
GFP_KERNEL);
if (!p_iov->bulletin.p_virt)
goto free_pf2vf_reply;
DP_VERBOSE(p_hwfn, QED_MSG_IOV,
"VF's bulletin Board [%p virt 0x%llx phys 0x%08x bytes]\n",
p_iov->bulletin.p_virt,
(u64)p_iov->bulletin.phys, p_iov->bulletin.size);
mutex_init(&p_iov->mutex);
p_hwfn->vf_iov_info = p_iov;
p_hwfn->hw_info.personality = QED_PCI_ETH;
rc = qed_vf_pf_acquire(p_hwfn);
/* If VF is 100g using a mapped bar and PF is too old to support that,
* acquisition would succeed - but the VF would have no way knowing
* the size of the doorbell bar configured in HW and thus will not
* know how to split it for 2nd hw-function.
* In this case we re-try without the indication of the mapped
* doorbell.
*/
if (!rc && p_iov->b_doorbell_bar &&
!qed_vf_hw_bar_size(p_hwfn, BAR_ID_1) &&
(p_hwfn->cdev->num_hwfns > 1)) {
rc = _qed_vf_pf_release(p_hwfn, false);
if (rc)
return rc;
p_iov->b_doorbell_bar = false;
p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
PXP_VF_BAR0_START_DQ;
rc = qed_vf_pf_acquire(p_hwfn);
}
DP_VERBOSE(p_hwfn, QED_MSG_IOV,
"Regview [%p], Doorbell [%p], Device-doorbell [%p]\n",
p_hwfn->regview, p_hwfn->doorbells, p_hwfn->cdev->doorbells);
return rc;
free_pf2vf_reply:
dma_free_coherent(&p_hwfn->cdev->pdev->dev,
sizeof(union pfvf_tlvs),
p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys);
free_vf2pf_request:
dma_free_coherent(&p_hwfn->cdev->pdev->dev,
sizeof(union vfpf_tlvs),
p_iov->vf2pf_request, p_iov->vf2pf_request_phys);
free_p_iov:
kfree(p_iov);
return -ENOMEM;
}
#define TSTORM_QZONE_START PXP_VF_BAR0_START_SDM_ZONE_A
#define MSTORM_QZONE_START(dev) (TSTORM_QZONE_START + \
(TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev)))
static void
__qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
struct qed_tunn_update_type *p_src,
enum qed_tunn_mode mask, u8 *p_cls)
{
if (p_src->b_update_mode) {
p_req->tun_mode_update_mask |= BIT(mask);
if (p_src->b_mode_enabled)
p_req->tunn_mode |= BIT(mask);
}
*p_cls = p_src->tun_cls;
}
static void
qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
struct qed_tunn_update_type *p_src,
enum qed_tunn_mode mask,
u8 *p_cls, struct qed_tunn_update_udp_port *p_port,
u8 *p_update_port, u16 *p_udp_port)
{
if (p_port->b_update_port) {
*p_update_port = 1;
*p_udp_port = p_port->port;
}
__qed_vf_prep_tunn_req_tlv(p_req, p_src, mask, p_cls);
}
void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun)
{
if (p_tun->vxlan.b_mode_enabled)
p_tun->vxlan.b_update_mode = true;
if (p_tun->l2_geneve.b_mode_enabled)
p_tun->l2_geneve.b_update_mode = true;
if (p_tun->ip_geneve.b_mode_enabled)
p_tun->ip_geneve.b_update_mode = true;
if (p_tun->l2_gre.b_mode_enabled)
p_tun->l2_gre.b_update_mode = true;
if (p_tun->ip_gre.b_mode_enabled)
p_tun->ip_gre.b_update_mode = true;
p_tun->b_update_rx_cls = true;
p_tun->b_update_tx_cls = true;
}
static void
__qed_vf_update_tunn_param(struct qed_tunn_update_type *p_tun,
u16 feature_mask, u8 tunn_mode,
u8 tunn_cls, enum qed_tunn_mode val)
{
if (feature_mask & BIT(val)) {
p_tun->b_mode_enabled = tunn_mode;
p_tun->tun_cls = tunn_cls;
} else {
p_tun->b_mode_enabled = false;
}
}
static void qed_vf_update_tunn_param(struct qed_hwfn *p_hwfn,
struct qed_tunnel_info *p_tun,
struct pfvf_update_tunn_param_tlv *p_resp)
{
/* Update mode and classes provided by PF */
u16 feat_mask = p_resp->tunn_feature_mask;
__qed_vf_update_tunn_param(&p_tun->vxlan, feat_mask,
p_resp->vxlan_mode, p_resp->vxlan_clss,
QED_MODE_VXLAN_TUNN);
__qed_vf_update_tunn_param(&p_tun->l2_geneve, feat_mask,
p_resp->l2geneve_mode,
p_resp->l2geneve_clss,
QED_MODE_L2GENEVE_TUNN);
__qed_vf_update_tunn_param(&p_tun->ip_geneve, feat_mask,
p_resp->ipgeneve_mode,
p_resp->ipgeneve_clss,
QED_MODE_IPGENEVE_TUNN);
__qed_vf_update_tunn_param(&p_tun->l2_gre, feat_mask,
p_resp->l2gre_mode, p_resp->l2gre_clss,
QED_MODE_L2GRE_TUNN);
__qed_vf_update_tunn_param(&p_tun->ip_gre, feat_mask,
p_resp->ipgre_mode, p_resp->ipgre_clss,
QED_MODE_IPGRE_TUNN);
p_tun->geneve_port.port = p_resp->geneve_udp_port;
p_tun->vxlan_port.port = p_resp->vxlan_udp_port;
DP_VERBOSE(p_hwfn, QED_MSG_IOV,
"tunn mode: vxlan=0x%x, l2geneve=0x%x, ipgeneve=0x%x, l2gre=0x%x, ipgre=0x%x",
p_tun->vxlan.b_mode_enabled, p_tun->l2_geneve.b_mode_enabled,
p_tun->ip_geneve.b_mode_enabled,
p_tun->l2_gre.b_mode_enabled, p_tun->ip_gre.b_mode_enabled);
}
int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
struct qed_tunnel_info *p_src)
{
struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
struct pfvf_update_tunn_param_tlv *p_resp;
struct vfpf_update_tunn_param_tlv *p_req;
int rc;
p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_TUNN_PARAM,
sizeof(*p_req));
if (p_src->b_update_rx_cls && p_src->b_update_tx_cls)
p_req->update_tun_cls = 1;
qed_vf_prep_tunn_req_tlv(p_req, &p_src->vxlan, QED_MODE_VXLAN_TUNN,
&p_req->vxlan_clss, &p_src->vxlan_port,
&p_req->update_vxlan_port,
&p_req->vxlan_port);
qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_geneve,
QED_MODE_L2GENEVE_TUNN,
&p_req->l2geneve_clss, &p_src->geneve_port,
&p_req->update_geneve_port,
&p_req->geneve_port);
__qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_geneve,
QED_MODE_IPGENEVE_TUNN,
&p_req->ipgeneve_clss);
__qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_gre,
QED_MODE_L2GRE_TUNN, &p_req->l2gre_clss);
__qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_gre,
QED_MODE_IPGRE_TUNN, &p_req->ipgre_clss);
/* add list termination tlv */
qed_add_tlv(p_hwfn, &p_iov->offset,
CHANNEL_TLV_LIST_END,
sizeof(struct channel_list_end_tlv));
p_resp = &p_iov->pf2vf_reply->tunn_param_resp;
rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
if (rc)
goto exit;
if (p_resp->hdr.status != PFVF_STATUS_SUCCESS) {
DP_VERBOSE(p_hwfn, QED_MSG_IOV,
"Failed to update tunnel parameters\n");
rc = -EINVAL;
}
qed_vf_update_tunn_param(p_hwfn, p_tun, p_resp);
exit:
qed_vf_pf_req_end(p_hwfn, rc);
return rc;
}
int
qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
struct qed_queue_cid *p_cid,
u16 bd_max_bytes,
dma_addr_t bd_chain_phys_addr,
dma_addr_t cqe_pbl_addr,
u16 cqe_pbl_size, void __iomem **pp_prod)
{
struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
struct pfvf_start_queue_resp_tlv *resp;
struct vfpf_start_rxq_tlv *req;
u8 rx_qid = p_cid->rel.queue_id;
int rc;
/* clear mailbox and prep first tlv */
req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req));
req->rx_qid = rx_qid;
req->cqe_pbl_addr = cqe_pbl_addr;
req->cqe_pbl_size = cqe_pbl_size;
req->rxq_addr = bd_chain_phys_addr;
req->hw_sb = p_cid->sb_igu_id;
req->sb_index = p_cid->sb_idx;
req->bd_max_bytes = bd_max_bytes;
req->stat_id = -1;
/* If PF is legacy, we'll need to calculate producers ourselves
* as well as clean them.
*/
if (p_iov->b_pre_fp_hsi) {
u8 hw_qid = p_iov->acquire_resp.resc.hw_qid[rx_qid];
u32 init_prod_val = 0;
*pp_prod = (u8 __iomem *)
p_hwfn->regview +
MSTORM_QZONE_START(p_hwfn->cdev) +
hw_qid * MSTORM_QZONE_SIZE;
/* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
__internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
(u32 *)(&init_prod_val));
}
qed_vf_pf_add_qid(p_hwfn, p_cid);
/* add list termination tlv */
qed_add_tlv(p_hwfn, &p_iov->offset,
CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
resp = &p_iov->pf2vf_reply->queue_start;
rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
if (rc)
goto exit;
if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
rc = -EINVAL;
goto exit;
}
/* Learn the address of the producer from the response */
if (!p_iov->b_pre_fp_hsi) {
u32 init_prod_val = 0;
*pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset;
DP_VERBOSE(p_hwfn, QED_MSG_IOV,
"Rxq[0x%02x]: producer at %p [offset 0x%08x]\n",
rx_qid, *pp_prod, resp->offset);
/* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
__internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
(u32 *)&init_prod_val);
}
exit:
qed_vf_pf_req_end(p_hwfn, rc);
return rc;
}
int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn,
struct qed_queue_cid *p_cid, bool cqe_completion)
{
struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
struct vfpf_stop_rxqs_tlv *req;
struct pfvf_def_resp_tlv *resp;
int rc;
/* clear mailbox and prep first tlv */
req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req));
req->rx_qid = p_cid->rel.queue_id;
req->num_rxqs = 1;
req->cqe_completion = cqe_completion;
qed_vf_pf_add_qid(p_hwfn, p_cid);
/* add list termination tlv */
qed_add_tlv(p_hwfn, &p_iov->offset,
CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
resp = &p_iov->pf2vf_reply->default_resp;
rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
if (rc)
goto exit;
if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
rc = -EINVAL;
goto exit;
}
exit:
qed_vf_pf_req_end(p_hwfn, rc);
return rc;
}
int
qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
struct qed_queue_cid *p_cid,
dma_addr_t pbl_addr,
u16 pbl_size, void __iomem **pp_doorbell)
{
struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
struct pfvf_start_queue_resp_tlv *resp;
struct vfpf_start_txq_tlv *req;
u16 qid = p_cid->rel.queue_id;
int rc;
/* clear mailbox and prep first tlv */
req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req));
req->tx_qid = qid;
/* Tx */
req->pbl_addr = pbl_addr;
req->pbl_size = pbl_size;
req->hw_sb = p_cid->sb_igu_id;
req->sb_index = p_cid->sb_idx;
qed_vf_pf_add_qid(p_hwfn, p_cid);
/* add list termination tlv */
qed_add_tlv(p_hwfn, &p_iov->offset,
CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
resp = &p_iov->pf2vf_reply->queue_start;
rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
if (rc)
goto exit;
if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
rc = -EINVAL;
goto exit;
}
/* Modern PFs provide the actual offsets, while legacy
* provided only the queue id.
*/
if (!p_iov->b_pre_fp_hsi) {
*pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset;
} else {
u8 cid = p_iov->acquire_resp.resc.cid[qid];
*pp_doorbell = (u8 __iomem *)p_hwfn->doorbells +
qed_db_addr_vf(cid,
DQ_DEMS_LEGACY);
}
DP_VERBOSE(p_hwfn, QED_MSG_IOV,
"Txq[0x%02x.%02x]: doorbell at %p [offset 0x%08x]\n",
qid, p_cid->qid_usage_idx, *pp_doorbell, resp->offset);
exit:
qed_vf_pf_req_end(p_hwfn, rc);
return rc;
}
int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid)
{
struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
struct vfpf_stop_txqs_tlv *req;
struct pfvf_def_resp_tlv *resp;
int rc;
/* clear mailbox and prep first tlv */
req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req));
req->tx_qid = p_cid->rel.queue_id;
req->num_txqs = 1;
qed_vf_pf_add_qid(p_hwfn, p_cid);
/* add list termination tlv */
qed_add_tlv(p_hwfn, &p_iov->offset,
CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
resp = &p_iov->pf2vf_reply->default_resp;
rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
if (rc)
goto exit;
if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
rc = -EINVAL;
goto exit;
}
exit:
qed_vf_pf_req_end(p_hwfn, rc);
return rc;
}
int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
u8 vport_id,
u16 mtu,
u8 inner_vlan_removal,
enum qed_tpa_mode tpa_mode,
u8 max_buffers_per_cqe, u8 only_untagged)
{
struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
struct vfpf_vport_start_tlv *req;
struct pfvf_def_resp_tlv *resp;
int rc, i;
/* clear mailbox and prep first tlv */
req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req));
req->mtu = mtu;
req->vport_id = vport_id;
req->inner_vlan_removal = inner_vlan_removal;
req->tpa_mode = tpa_mode;
req->max_buffers_per_cqe = max_buffers_per_cqe;
req->only_untagged = only_untagged;
/* status blocks */
for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++) {
struct qed_sb_info *p_sb = p_hwfn->vf_iov_info->sbs_info[i];
if (p_sb)
req->sb_addr[i] = p_sb->sb_phys;
}
/* add list termination tlv */
qed_add_tlv(p_hwfn, &p_iov->offset,
CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
resp = &p_iov->pf2vf_reply->default_resp;
rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
if (rc)
goto exit;
if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
rc = -EINVAL;
goto exit;
}
exit:
qed_vf_pf_req_end(p_hwfn, rc);
return rc;
}
int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn)
{
struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
int rc;
/* clear mailbox and prep first tlv */
qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN,
sizeof(struct vfpf_first_tlv));
/* add list termination tlv */
qed_add_tlv(p_hwfn, &p_iov->offset,
CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
if (rc)
goto exit;
if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
rc = -EINVAL;
goto exit;
}
exit:
qed_vf_pf_req_end(p_hwfn, rc);
return rc;
}
static bool
qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn,
struct qed_sp_vport_update_params *p_data,
u16 tlv)
{
switch (tlv) {
case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE:
return !!(p_data->update_vport_active_rx_flg ||
p_data->update_vport_active_tx_flg);
case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH:
return !!p_data->update_tx_switching_flg;
case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP:
return !!p_data->update_inner_vlan_removal_flg;
case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN:
return !!p_data->update_accept_any_vlan_flg;
case CHANNEL_TLV_VPORT_UPDATE_MCAST:
return !!p_data->update_approx_mcast_flg;
case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM:
return !!(p_data->accept_flags.update_rx_mode_config ||
p_data->accept_flags.update_tx_mode_config);
case CHANNEL_TLV_VPORT_UPDATE_RSS:
return !!p_data->rss_params;
case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA:
return !!p_data->sge_tpa_params;
default:
DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n",
tlv);
return false;
}
}
static void
qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn,
struct qed_sp_vport_update_params *p_data)
{
struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
struct pfvf_def_resp_tlv *p_resp;
u16 tlv;
for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) {
if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv))
continue;
p_resp = (struct pfvf_def_resp_tlv *)
qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply,
tlv);
if (p_resp && p_resp->hdr.status)
DP_VERBOSE(p_hwfn, QED_MSG_IOV,
"TLV[%d] Configuration %s\n",
tlv,
(p_resp && p_resp->hdr.status) ? "succeeded"
: "failed");
}
}
int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
struct qed_sp_vport_update_params *p_params)
{
struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
struct vfpf_vport_update_tlv *req;
struct pfvf_def_resp_tlv *resp;
u8 update_rx, update_tx;
u32 resp_size = 0;
u16 size, tlv;
int rc;
resp = &p_iov->pf2vf_reply->default_resp;
resp_size = sizeof(*resp);
update_rx = p_params->update_vport_active_rx_flg;
update_tx = p_params->update_vport_active_tx_flg;
/* clear mailbox and prep header tlv */
qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_UPDATE, sizeof(*req));
/* Prepare extended tlvs */
if (update_rx || update_tx) {
struct vfpf_vport_update_activate_tlv *p_act_tlv;
size = sizeof(struct vfpf_vport_update_activate_tlv);
p_act_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
CHANNEL_TLV_VPORT_UPDATE_ACTIVATE,
size);
resp_size += sizeof(struct pfvf_def_resp_tlv);
if (update_rx) {
p_act_tlv->update_rx = update_rx;
p_act_tlv->active_rx = p_params->vport_active_rx_flg;
}
if (update_tx) {
p_act_tlv->update_tx = update_tx;
p_act_tlv->active_tx = p_params->vport_active_tx_flg;
}
}
if (p_params->update_tx_switching_flg) {
struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
size = sizeof(struct vfpf_vport_update_tx_switch_tlv);
tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
tlv, size);
resp_size += sizeof(struct pfvf_def_resp_tlv);
p_tx_switch_tlv->tx_switching = p_params->tx_switching_flg;
}
if (p_params->update_approx_mcast_flg) {
struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
size = sizeof(struct vfpf_vport_update_mcast_bin_tlv);
p_mcast_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
CHANNEL_TLV_VPORT_UPDATE_MCAST, size);
resp_size += sizeof(struct pfvf_def_resp_tlv);
memcpy(p_mcast_tlv->bins, p_params->bins,
sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
}
update_rx = p_params->accept_flags.update_rx_mode_config;
update_tx = p_params->accept_flags.update_tx_mode_config;
if (update_rx || update_tx) {
struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
size = sizeof(struct vfpf_vport_update_accept_param_tlv);
p_accept_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
resp_size += sizeof(struct pfvf_def_resp_tlv);
if (update_rx) {
p_accept_tlv->update_rx_mode = update_rx;
p_accept_tlv->rx_accept_filter =
p_params->accept_flags.rx_accept_filter;
}
if (update_tx) {
p_accept_tlv->update_tx_mode = update_tx;
p_accept_tlv->tx_accept_filter =
p_params->accept_flags.tx_accept_filter;
}
}
if (p_params->rss_params) {
struct qed_rss_params *rss_params = p_params->rss_params;
struct vfpf_vport_update_rss_tlv *p_rss_tlv;
int i, table_size;
size = sizeof(struct vfpf_vport_update_rss_tlv);
p_rss_tlv = qed_add_tlv(p_hwfn,
&p_iov->offset,
CHANNEL_TLV_VPORT_UPDATE_RSS, size);
resp_size += sizeof(struct pfvf_def_resp_tlv);
if (rss_params->update_rss_config)
p_rss_tlv->update_rss_flags |=
VFPF_UPDATE_RSS_CONFIG_FLAG;
if (rss_params->update_rss_capabilities)
p_rss_tlv->update_rss_flags |=
VFPF_UPDATE_RSS_CAPS_FLAG;
if (rss_params->update_rss_ind_table)
p_rss_tlv->update_rss_flags |=
VFPF_UPDATE_RSS_IND_TABLE_FLAG;
if (rss_params->update_rss_key)
p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG;
p_rss_tlv->rss_enable = rss_params->rss_enable;
p_rss_tlv->rss_caps = rss_params->rss_caps;
p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log;
table_size = min_t(int, T_ETH_INDIRECTION_TABLE_SIZE,
1 << p_rss_tlv->rss_table_size_log);
for (i = 0; i < table_size; i++) {
struct qed_queue_cid *p_queue;
p_queue = rss_params->rss_ind_table[i];
p_rss_tlv->rss_ind_table[i] = p_queue->rel.queue_id;
}
memcpy(p_rss_tlv->rss_key, rss_params->rss_key,
sizeof(rss_params->rss_key));
}
if (p_params->update_accept_any_vlan_flg) {
struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv;
size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv);
tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
resp_size += sizeof(struct pfvf_def_resp_tlv);
p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan;
p_any_vlan_tlv->update_accept_any_vlan_flg =
p_params->update_accept_any_vlan_flg;
}
/* add list termination tlv */
qed_add_tlv(p_hwfn, &p_iov->offset,
CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, resp_size);
if (rc)
goto exit;
if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
rc = -EINVAL;
goto exit;
}
qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params);
exit:
qed_vf_pf_req_end(p_hwfn, rc);
return rc;
}
int qed_vf_pf_reset(struct qed_hwfn *p_hwfn)
{
struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
struct pfvf_def_resp_tlv *resp;
struct vfpf_first_tlv *req;
int rc;
/* clear mailbox and prep first tlv */
req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req));
/* add list termination tlv */
qed_add_tlv(p_hwfn, &p_iov->offset,
CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
resp = &p_iov->pf2vf_reply->default_resp;
rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
if (rc)
goto exit;
if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
rc = -EAGAIN;
goto exit;
}
p_hwfn->b_int_enabled = 0;
exit:
qed_vf_pf_req_end(p_hwfn, rc);
return rc;
}
void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
struct qed_filter_mcast *p_filter_cmd)
{
struct qed_sp_vport_update_params sp_params;
int i;
memset(&sp_params, 0, sizeof(sp_params));
sp_params.update_approx_mcast_flg = 1;
if (p_filter_cmd->opcode == QED_FILTER_ADD) {
for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) {
u32 bit;
bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]);
sp_params.bins[bit / 32] |= 1 << (bit % 32);
}
}
qed_vf_pf_vport_update(p_hwfn, &sp_params);
}
int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
struct qed_filter_ucast *p_ucast)
{
struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
struct vfpf_ucast_filter_tlv *req;
struct pfvf_def_resp_tlv *resp;
int rc;
/* clear mailbox and prep first tlv */
req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req));
req->opcode = (u8)p_ucast->opcode;
req->type = (u8)p_ucast->type;
memcpy(req->mac, p_ucast->mac, ETH_ALEN);
req->vlan = p_ucast->vlan;
/* add list termination tlv */
qed_add_tlv(p_hwfn, &p_iov->offset,
CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
resp = &p_iov->pf2vf_reply->default_resp;
rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
if (rc)
goto exit;
if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
rc = -EAGAIN;
goto exit;
}
exit:
qed_vf_pf_req_end(p_hwfn, rc);
return rc;
}
int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn)
{
struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
int rc;
/* clear mailbox and prep first tlv */
qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP,
sizeof(struct vfpf_first_tlv));
/* add list termination tlv */
qed_add_tlv(p_hwfn, &p_iov->offset,
CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
if (rc)
goto exit;
if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
rc = -EINVAL;
goto exit;
}
exit:
qed_vf_pf_req_end(p_hwfn, rc);
return rc;
}
int qed_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
u16 *p_coal, struct qed_queue_cid *p_cid)
{
struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
struct pfvf_read_coal_resp_tlv *resp;
struct vfpf_read_coal_req_tlv *req;
int rc;
/* clear mailbox and prep header tlv */
req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_READ, sizeof(*req));
req->qid = p_cid->rel.queue_id;
req->is_rx = p_cid->b_is_rx ? 1 : 0;
qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
sizeof(struct channel_list_end_tlv));
resp = &p_iov->pf2vf_reply->read_coal_resp;
rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
if (rc)
goto exit;
if (resp->hdr.status != PFVF_STATUS_SUCCESS)
goto exit;
*p_coal = resp->coal;
exit:
qed_vf_pf_req_end(p_hwfn, rc);
return rc;
}
int
qed_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn,
const u8 *p_mac)
{
struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
struct vfpf_bulletin_update_mac_tlv *p_req;
struct pfvf_def_resp_tlv *p_resp;
int rc;
if (!p_mac)
return -EINVAL;
/* clear mailbox and prep header tlv */
p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_BULLETIN_UPDATE_MAC,
sizeof(*p_req));
ether_addr_copy(p_req->mac, p_mac);
DP_VERBOSE(p_hwfn, QED_MSG_IOV,
"Requesting bulletin update for MAC[%pM]\n", p_mac);
/* add list termination tlv */
qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
sizeof(struct channel_list_end_tlv));
p_resp = &p_iov->pf2vf_reply->default_resp;
rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
qed_vf_pf_req_end(p_hwfn, rc);
return rc;
}
int
qed_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
u16 rx_coal, u16 tx_coal, struct qed_queue_cid *p_cid)
{
struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
struct vfpf_update_coalesce *req;
struct pfvf_def_resp_tlv *resp;
int rc;
/* clear mailbox and prep header tlv */
req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_UPDATE, sizeof(*req));
req->rx_coal = rx_coal;
req->tx_coal = tx_coal;
req->qid = p_cid->rel.queue_id;
DP_VERBOSE(p_hwfn,
QED_MSG_IOV,
"Setting coalesce rx_coal = %d, tx_coal = %d at queue = %d\n",
rx_coal, tx_coal, req->qid);
/* add list termination tlv */
qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
sizeof(struct channel_list_end_tlv));
resp = &p_iov->pf2vf_reply->default_resp;
rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
if (rc)
goto exit;
if (resp->hdr.status != PFVF_STATUS_SUCCESS)
goto exit;
if (rx_coal)
p_hwfn->cdev->rx_coalesce_usecs = rx_coal;
if (tx_coal)
p_hwfn->cdev->tx_coalesce_usecs = tx_coal;
exit:
qed_vf_pf_req_end(p_hwfn, rc);
return rc;
}
u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id)
{
struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
if (!p_iov) {
DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
return 0;
}
return p_iov->acquire_resp.resc.hw_sbs[sb_id].hw_sb_id;
}
void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn,
u16 sb_id, struct qed_sb_info *p_sb)
{
struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
if (!p_iov) {
DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
return;
}
if (sb_id >= PFVF_MAX_SBS_PER_VF) {
DP_NOTICE(p_hwfn, "Can't configure SB %04x\n", sb_id);
return;
}
p_iov->sbs_info[sb_id] = p_sb;
}
int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change)
{
struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
struct qed_bulletin_content shadow;
u32 crc, crc_size;
crc_size = sizeof(p_iov->bulletin.p_virt->crc);
*p_change = 0;
/* Need to guarantee PF is not in the middle of writing it */
memcpy(&shadow, p_iov->bulletin.p_virt, p_iov->bulletin.size);
/* If version did not update, no need to do anything */
if (shadow.version == p_iov->bulletin_shadow.version)
return 0;
/* Verify the bulletin we see is valid */
crc = crc32(0, (u8 *)&shadow + crc_size,
p_iov->bulletin.size - crc_size);
if (crc != shadow.crc)
return -EAGAIN;
/* Set the shadow bulletin and process it */
memcpy(&p_iov->bulletin_shadow, &shadow, p_iov->bulletin.size);
DP_VERBOSE(p_hwfn, QED_MSG_IOV,
"Read a bulletin update %08x\n", shadow.version);
*p_change = 1;
return 0;
}
void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
struct qed_mcp_link_params *p_params,
struct qed_bulletin_content *p_bulletin)
{
memset(p_params, 0, sizeof(*p_params));
p_params->speed.autoneg = p_bulletin->req_autoneg;
p_params->speed.advertised_speeds = p_bulletin->req_adv_speed;
p_params->speed.forced_speed = p_bulletin->req_forced_speed;
p_params->pause.autoneg = p_bulletin->req_autoneg_pause;
p_params->pause.forced_rx = p_bulletin->req_forced_rx;
p_params->pause.forced_tx = p_bulletin->req_forced_tx;
p_params->loopback_mode = p_bulletin->req_loopback;
}
void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
struct qed_mcp_link_params *params)
{
__qed_vf_get_link_params(p_hwfn, params,
&(p_hwfn->vf_iov_info->bulletin_shadow));
}
void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
struct qed_mcp_link_state *p_link,
struct qed_bulletin_content *p_bulletin)
{
memset(p_link, 0, sizeof(*p_link));
p_link->link_up = p_bulletin->link_up;
p_link->speed = p_bulletin->speed;
p_link->full_duplex = p_bulletin->full_duplex;
p_link->an = p_bulletin->autoneg;
p_link->an_complete = p_bulletin->autoneg_complete;
p_link->parallel_detection = p_bulletin->parallel_detection;
p_link->pfc_enabled = p_bulletin->pfc_enabled;
p_link->partner_adv_speed = p_bulletin->partner_adv_speed;
p_link->partner_tx_flow_ctrl_en = p_bulletin->partner_tx_flow_ctrl_en;
p_link->partner_rx_flow_ctrl_en = p_bulletin->partner_rx_flow_ctrl_en;
p_link->partner_adv_pause = p_bulletin->partner_adv_pause;
p_link->sfp_tx_fault = p_bulletin->sfp_tx_fault;
}
void qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
struct qed_mcp_link_state *link)
{
__qed_vf_get_link_state(p_hwfn, link,
&(p_hwfn->vf_iov_info->bulletin_shadow));
}
void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
struct qed_mcp_link_capabilities *p_link_caps,
struct qed_bulletin_content *p_bulletin)
{
memset(p_link_caps, 0, sizeof(*p_link_caps));
p_link_caps->speed_capabilities = p_bulletin->capability_speed;
}
void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
struct qed_mcp_link_capabilities *p_link_caps)
{
__qed_vf_get_link_caps(p_hwfn, p_link_caps,
&(p_hwfn->vf_iov_info->bulletin_shadow));
}
void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs)
{
*num_rxqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_rxqs;
}
void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs)
{
*num_txqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_txqs;
}
void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids)
{
*num_cids = p_hwfn->vf_iov_info->acquire_resp.resc.num_cids;
}
void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac)
{
memcpy(port_mac,
p_hwfn->vf_iov_info->acquire_resp.pfdev_info.port_mac, ETH_ALEN);
}
void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters)
{
struct qed_vf_iov *p_vf;
p_vf = p_hwfn->vf_iov_info;
*num_vlan_filters = p_vf->acquire_resp.resc.num_vlan_filters;
}
void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters)
{
struct qed_vf_iov *p_vf = p_hwfn->vf_iov_info;
*num_mac_filters = p_vf->acquire_resp.resc.num_mac_filters;
}
bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac)
{
struct qed_bulletin_content *bulletin;
bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
if (!(bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)))
return true;
/* Forbid VF from changing a MAC enforced by PF */
if (ether_addr_equal(bulletin->mac, mac))
return false;
return false;
}
static bool qed_vf_bulletin_get_forced_mac(struct qed_hwfn *hwfn,
u8 *dst_mac, u8 *p_is_forced)
{
struct qed_bulletin_content *bulletin;
bulletin = &hwfn->vf_iov_info->bulletin_shadow;
if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) {
if (p_is_forced)
*p_is_forced = 1;
} else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) {
if (p_is_forced)
*p_is_forced = 0;
} else {
return false;
}
ether_addr_copy(dst_mac, bulletin->mac);
return true;
}
static void
qed_vf_bulletin_get_udp_ports(struct qed_hwfn *p_hwfn,
u16 *p_vxlan_port, u16 *p_geneve_port)
{
struct qed_bulletin_content *p_bulletin;
p_bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
*p_vxlan_port = p_bulletin->vxlan_udp_port;
*p_geneve_port = p_bulletin->geneve_udp_port;
}
void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn,
u16 *fw_major, u16 *fw_minor,
u16 *fw_rev, u16 *fw_eng)
{
struct pf_vf_pfdev_info *info;
info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info;
*fw_major = info->fw_major;
*fw_minor = info->fw_minor;
*fw_rev = info->fw_rev;
*fw_eng = info->fw_eng;
}
static void qed_handle_bulletin_change(struct qed_hwfn *hwfn)
{
struct qed_eth_cb_ops *ops = hwfn->cdev->protocol_ops.eth;
u8 mac[ETH_ALEN], is_mac_exist, is_mac_forced;
void *cookie = hwfn->cdev->ops_cookie;
u16 vxlan_port, geneve_port;
qed_vf_bulletin_get_udp_ports(hwfn, &vxlan_port, &geneve_port);
is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac,
&is_mac_forced);
if (is_mac_exist && cookie)
ops->force_mac(cookie, mac, !!is_mac_forced);
ops->ports_update(cookie, vxlan_port, geneve_port);
/* Always update link configuration according to bulletin */
qed_link_update(hwfn, NULL);
}
void qed_iov_vf_task(struct work_struct *work)
{
struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
iov_task.work);
u8 change = 0;
if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
return;
/* Handle bulletin board changes */
qed_vf_read_bulletin(hwfn, &change);
if (test_and_clear_bit(QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG,
&hwfn->iov_task_flags))
change = 1;
if (change)
qed_handle_bulletin_change(hwfn);
/* As VF is polling bulletin board, need to constantly re-schedule */
queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, HZ);
}
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