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bnx2x_vfpf.c
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bnx2x_vfpf.c
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/* bnx2x_vfpf.c: QLogic Everest network driver.
*
* Copyright 2009-2013 Broadcom Corporation
* Copyright 2014 QLogic Corporation
* All rights reserved
*
* Unless you and QLogic execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2, available
* at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
*
* Notwithstanding the above, under no circumstances may you combine this
* software in any way with any other QLogic software provided under a
* license other than the GPL, without QLogic's express prior written
* consent.
*
* Maintained by: Ariel Elior <ariel.elior@qlogic.com>
* Written by: Shmulik Ravid
* Ariel Elior <ariel.elior@qlogic.com>
*/
#include "bnx2x.h"
#include "bnx2x_cmn.h"
#include <linux/crc32.h>
static int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx);
/* place a given tlv on the tlv buffer at a given offset */
static void bnx2x_add_tlv(struct bnx2x *bp, void *tlvs_list,
u16 offset, u16 type, u16 length)
{
struct channel_tlv *tl =
(struct channel_tlv *)(tlvs_list + offset);
tl->type = type;
tl->length = length;
}
/* Clear the mailbox and init the header of the first tlv */
static void bnx2x_vfpf_prep(struct bnx2x *bp, struct vfpf_first_tlv *first_tlv,
u16 type, u16 length)
{
mutex_lock(&bp->vf2pf_mutex);
DP(BNX2X_MSG_IOV, "preparing to send %d tlv over vf pf channel\n",
type);
/* Clear mailbox */
memset(bp->vf2pf_mbox, 0, sizeof(struct bnx2x_vf_mbx_msg));
/* init type and length */
bnx2x_add_tlv(bp, &first_tlv->tl, 0, type, length);
/* init first tlv header */
first_tlv->resp_msg_offset = sizeof(bp->vf2pf_mbox->req);
}
/* releases the mailbox */
static void bnx2x_vfpf_finalize(struct bnx2x *bp,
struct vfpf_first_tlv *first_tlv)
{
DP(BNX2X_MSG_IOV, "done sending [%d] tlv over vf pf channel\n",
first_tlv->tl.type);
mutex_unlock(&bp->vf2pf_mutex);
}
/* Finds a TLV by type in a TLV buffer; If found, returns pointer to the TLV */
static void *bnx2x_search_tlv_list(struct bnx2x *bp, void *tlvs_list,
enum channel_tlvs req_tlv)
{
struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list;
do {
if (tlv->type == req_tlv)
return tlv;
if (!tlv->length) {
BNX2X_ERR("Found TLV with length 0\n");
return NULL;
}
tlvs_list += tlv->length;
tlv = (struct channel_tlv *)tlvs_list;
} while (tlv->type != CHANNEL_TLV_LIST_END);
DP(BNX2X_MSG_IOV, "TLV list does not contain %d TLV\n", req_tlv);
return NULL;
}
/* list the types and lengths of the tlvs on the buffer */
static void bnx2x_dp_tlv_list(struct bnx2x *bp, void *tlvs_list)
{
int i = 1;
struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list;
while (tlv->type != CHANNEL_TLV_LIST_END) {
/* output tlv */
DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i,
tlv->type, tlv->length);
/* advance to next tlv */
tlvs_list += tlv->length;
/* cast general tlv list pointer to channel tlv header*/
tlv = (struct channel_tlv *)tlvs_list;
i++;
/* break condition for this loop */
if (i > MAX_TLVS_IN_LIST) {
WARN(true, "corrupt tlvs");
return;
}
}
/* output last tlv */
DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i,
tlv->type, tlv->length);
}
/* test whether we support a tlv type */
bool bnx2x_tlv_supported(u16 tlvtype)
{
return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX;
}
static inline int bnx2x_pfvf_status_codes(int rc)
{
switch (rc) {
case 0:
return PFVF_STATUS_SUCCESS;
case -ENOMEM:
return PFVF_STATUS_NO_RESOURCE;
default:
return PFVF_STATUS_FAILURE;
}
}
static int bnx2x_send_msg2pf(struct bnx2x *bp, u8 *done, dma_addr_t msg_mapping)
{
struct cstorm_vf_zone_data __iomem *zone_data =
REG_ADDR(bp, PXP_VF_ADDR_CSDM_GLOBAL_START);
int tout = 100, interval = 100; /* wait for 10 seconds */
if (*done) {
BNX2X_ERR("done was non zero before message to pf was sent\n");
WARN_ON(true);
return -EINVAL;
}
/* if PF indicated channel is down avoid sending message. Return success
* so calling flow can continue
*/
bnx2x_sample_bulletin(bp);
if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) {
DP(BNX2X_MSG_IOV, "detecting channel down. Aborting message\n");
*done = PFVF_STATUS_SUCCESS;
return -EINVAL;
}
/* Write message address */
writel(U64_LO(msg_mapping),
&zone_data->non_trigger.vf_pf_channel.msg_addr_lo);
writel(U64_HI(msg_mapping),
&zone_data->non_trigger.vf_pf_channel.msg_addr_hi);
/* make sure the address is written before FW accesses it */
wmb();
/* Trigger the PF FW */
writeb_relaxed(1, &zone_data->trigger.vf_pf_channel.addr_valid);
/* Wait for PF to complete */
while ((tout >= 0) && (!*done)) {
msleep(interval);
tout -= 1;
/* progress indicator - HV can take its own sweet time in
* answering VFs...
*/
DP_CONT(BNX2X_MSG_IOV, ".");
}
if (!*done) {
BNX2X_ERR("PF response has timed out\n");
return -EAGAIN;
}
DP(BNX2X_MSG_SP, "Got a response from PF\n");
return 0;
}
static int bnx2x_get_vf_id(struct bnx2x *bp, u32 *vf_id)
{
u32 me_reg;
int tout = 10, interval = 100; /* Wait for 1 sec */
do {
/* pxp traps vf read of doorbells and returns me reg value */
me_reg = readl(bp->doorbells);
if (GOOD_ME_REG(me_reg))
break;
msleep(interval);
BNX2X_ERR("Invalid ME register value: 0x%08x\n. Is pf driver up?",
me_reg);
} while (tout-- > 0);
if (!GOOD_ME_REG(me_reg)) {
BNX2X_ERR("Invalid ME register value: 0x%08x\n", me_reg);
return -EINVAL;
}
DP(BNX2X_MSG_IOV, "valid ME register value: 0x%08x\n", me_reg);
*vf_id = (me_reg & ME_REG_VF_NUM_MASK) >> ME_REG_VF_NUM_SHIFT;
return 0;
}
int bnx2x_vfpf_acquire(struct bnx2x *bp, u8 tx_count, u8 rx_count)
{
int rc = 0, attempts = 0;
struct vfpf_acquire_tlv *req = &bp->vf2pf_mbox->req.acquire;
struct pfvf_acquire_resp_tlv *resp = &bp->vf2pf_mbox->resp.acquire_resp;
struct vfpf_port_phys_id_resp_tlv *phys_port_resp;
struct vfpf_fp_hsi_resp_tlv *fp_hsi_resp;
u32 vf_id;
bool resources_acquired = false;
/* clear mailbox and prep first tlv */
bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_ACQUIRE, sizeof(*req));
if (bnx2x_get_vf_id(bp, &vf_id)) {
rc = -EAGAIN;
goto out;
}
req->vfdev_info.vf_id = vf_id;
req->vfdev_info.vf_os = 0;
req->vfdev_info.fp_hsi_ver = ETH_FP_HSI_VERSION;
req->resc_request.num_rxqs = rx_count;
req->resc_request.num_txqs = tx_count;
req->resc_request.num_sbs = bp->igu_sb_cnt;
req->resc_request.num_mac_filters = VF_ACQUIRE_MAC_FILTERS;
req->resc_request.num_mc_filters = VF_ACQUIRE_MC_FILTERS;
req->resc_request.num_vlan_filters = VF_ACQUIRE_VLAN_FILTERS;
/* pf 2 vf bulletin board address */
req->bulletin_addr = bp->pf2vf_bulletin_mapping;
/* Request physical port identifier */
bnx2x_add_tlv(bp, req, req->first_tlv.tl.length,
CHANNEL_TLV_PHYS_PORT_ID, sizeof(struct channel_tlv));
/* Bulletin support for bulletin board with length > legacy length */
req->vfdev_info.caps |= VF_CAP_SUPPORT_EXT_BULLETIN;
/* vlan filtering is supported */
req->vfdev_info.caps |= VF_CAP_SUPPORT_VLAN_FILTER;
/* add list termination tlv */
bnx2x_add_tlv(bp, req,
req->first_tlv.tl.length + sizeof(struct channel_tlv),
CHANNEL_TLV_LIST_END,
sizeof(struct channel_list_end_tlv));
/* output tlvs list */
bnx2x_dp_tlv_list(bp, req);
while (!resources_acquired) {
DP(BNX2X_MSG_SP, "attempting to acquire resources\n");
/* send acquire request */
rc = bnx2x_send_msg2pf(bp,
&resp->hdr.status,
bp->vf2pf_mbox_mapping);
/* PF timeout */
if (rc)
goto out;
/* copy acquire response from buffer to bp */
memcpy(&bp->acquire_resp, resp, sizeof(bp->acquire_resp));
attempts++;
/* test whether the PF accepted our request. If not, humble
* the request and try again.
*/
if (bp->acquire_resp.hdr.status == PFVF_STATUS_SUCCESS) {
DP(BNX2X_MSG_SP, "resources acquired\n");
resources_acquired = true;
} else if (bp->acquire_resp.hdr.status ==
PFVF_STATUS_NO_RESOURCE &&
attempts < VF_ACQUIRE_THRESH) {
DP(BNX2X_MSG_SP,
"PF unwilling to fulfill resource request. Try PF recommended amount\n");
/* humble our request */
req->resc_request.num_txqs =
min(req->resc_request.num_txqs,
bp->acquire_resp.resc.num_txqs);
req->resc_request.num_rxqs =
min(req->resc_request.num_rxqs,
bp->acquire_resp.resc.num_rxqs);
req->resc_request.num_sbs =
min(req->resc_request.num_sbs,
bp->acquire_resp.resc.num_sbs);
req->resc_request.num_mac_filters =
min(req->resc_request.num_mac_filters,
bp->acquire_resp.resc.num_mac_filters);
req->resc_request.num_vlan_filters =
min(req->resc_request.num_vlan_filters,
bp->acquire_resp.resc.num_vlan_filters);
req->resc_request.num_mc_filters =
min(req->resc_request.num_mc_filters,
bp->acquire_resp.resc.num_mc_filters);
/* Clear response buffer */
memset(&bp->vf2pf_mbox->resp, 0,
sizeof(union pfvf_tlvs));
} else {
/* Determine reason of PF failure of acquire process */
fp_hsi_resp = bnx2x_search_tlv_list(bp, resp,
CHANNEL_TLV_FP_HSI_SUPPORT);
if (fp_hsi_resp && !fp_hsi_resp->is_supported)
BNX2X_ERR("Old hypervisor - doesn't support current fastpath HSI version; Need to downgrade VF driver [or upgrade hypervisor]\n");
else
BNX2X_ERR("Failed to get the requested amount of resources: %d. Breaking...\n",
bp->acquire_resp.hdr.status);
rc = -EAGAIN;
goto out;
}
}
/* Retrieve physical port id (if possible) */
phys_port_resp = (struct vfpf_port_phys_id_resp_tlv *)
bnx2x_search_tlv_list(bp, resp,
CHANNEL_TLV_PHYS_PORT_ID);
if (phys_port_resp) {
memcpy(bp->phys_port_id, phys_port_resp->id, ETH_ALEN);
bp->flags |= HAS_PHYS_PORT_ID;
}
/* Old Hypevisors might not even support the FP_HSI_SUPPORT TLV.
* If that's the case, we need to make certain required FW was
* supported by such a hypervisor [i.e., v0-v2].
*/
fp_hsi_resp = bnx2x_search_tlv_list(bp, resp,
CHANNEL_TLV_FP_HSI_SUPPORT);
if (!fp_hsi_resp && (ETH_FP_HSI_VERSION > ETH_FP_HSI_VER_2)) {
BNX2X_ERR("Old hypervisor - need to downgrade VF's driver\n");
/* Since acquire succeeded on the PF side, we need to send a
* release message in order to allow future probes.
*/
bnx2x_vfpf_finalize(bp, &req->first_tlv);
bnx2x_vfpf_release(bp);
rc = -EINVAL;
goto out;
}
/* get HW info */
bp->common.chip_id |= (bp->acquire_resp.pfdev_info.chip_num & 0xffff);
bp->link_params.chip_id = bp->common.chip_id;
bp->db_size = bp->acquire_resp.pfdev_info.db_size;
bp->common.int_block = INT_BLOCK_IGU;
bp->common.chip_port_mode = CHIP_2_PORT_MODE;
bp->igu_dsb_id = -1;
bp->mf_ov = 0;
bp->mf_mode = 0;
bp->common.flash_size = 0;
bp->flags |=
NO_WOL_FLAG | NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG | NO_FCOE_FLAG;
bp->igu_sb_cnt = bp->acquire_resp.resc.num_sbs;
bp->igu_base_sb = bp->acquire_resp.resc.hw_sbs[0].hw_sb_id;
bp->vlan_credit = bp->acquire_resp.resc.num_vlan_filters;
strlcpy(bp->fw_ver, bp->acquire_resp.pfdev_info.fw_ver,
sizeof(bp->fw_ver));
if (is_valid_ether_addr(bp->acquire_resp.resc.current_mac_addr))
memcpy(bp->dev->dev_addr,
bp->acquire_resp.resc.current_mac_addr,
ETH_ALEN);
out:
bnx2x_vfpf_finalize(bp, &req->first_tlv);
return rc;
}
int bnx2x_vfpf_release(struct bnx2x *bp)
{
struct vfpf_release_tlv *req = &bp->vf2pf_mbox->req.release;
struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
u32 rc, vf_id;
/* clear mailbox and prep first tlv */
bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_RELEASE, sizeof(*req));
if (bnx2x_get_vf_id(bp, &vf_id)) {
rc = -EAGAIN;
goto out;
}
req->vf_id = vf_id;
/* add list termination tlv */
bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
sizeof(struct channel_list_end_tlv));
/* output tlvs list */
bnx2x_dp_tlv_list(bp, req);
/* send release request */
rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
if (rc)
/* PF timeout */
goto out;
if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
/* PF released us */
DP(BNX2X_MSG_SP, "vf released\n");
} else {
/* PF reports error */
BNX2X_ERR("PF failed our release request - are we out of sync? Response status: %d\n",
resp->hdr.status);
rc = -EAGAIN;
goto out;
}
out:
bnx2x_vfpf_finalize(bp, &req->first_tlv);
return rc;
}
/* Tell PF about SB addresses */
int bnx2x_vfpf_init(struct bnx2x *bp)
{
struct vfpf_init_tlv *req = &bp->vf2pf_mbox->req.init;
struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
int rc, i;
/* clear mailbox and prep first tlv */
bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_INIT, sizeof(*req));
/* status blocks */
for_each_eth_queue(bp, i)
req->sb_addr[i] = (dma_addr_t)bnx2x_fp(bp, i,
status_blk_mapping);
/* statistics - requests only supports single queue for now */
req->stats_addr = bp->fw_stats_data_mapping +
offsetof(struct bnx2x_fw_stats_data, queue_stats);
req->stats_stride = sizeof(struct per_queue_stats);
/* add list termination tlv */
bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
sizeof(struct channel_list_end_tlv));
/* output tlvs list */
bnx2x_dp_tlv_list(bp, req);
rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
if (rc)
goto out;
if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
BNX2X_ERR("INIT VF failed: %d. Breaking...\n",
resp->hdr.status);
rc = -EAGAIN;
goto out;
}
DP(BNX2X_MSG_SP, "INIT VF Succeeded\n");
out:
bnx2x_vfpf_finalize(bp, &req->first_tlv);
return rc;
}
/* CLOSE VF - opposite to INIT_VF */
void bnx2x_vfpf_close_vf(struct bnx2x *bp)
{
struct vfpf_close_tlv *req = &bp->vf2pf_mbox->req.close;
struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
int i, rc;
u32 vf_id;
/* If we haven't got a valid VF id, there is no sense to
* continue with sending messages
*/
if (bnx2x_get_vf_id(bp, &vf_id))
goto free_irq;
/* Close the queues */
for_each_queue(bp, i)
bnx2x_vfpf_teardown_queue(bp, i);
/* remove mac */
bnx2x_vfpf_config_mac(bp, bp->dev->dev_addr, bp->fp->index, false);
/* clear mailbox and prep first tlv */
bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_CLOSE, sizeof(*req));
req->vf_id = vf_id;
/* add list termination tlv */
bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
sizeof(struct channel_list_end_tlv));
/* output tlvs list */
bnx2x_dp_tlv_list(bp, req);
rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
if (rc)
BNX2X_ERR("Sending CLOSE failed. rc was: %d\n", rc);
else if (resp->hdr.status != PFVF_STATUS_SUCCESS)
BNX2X_ERR("Sending CLOSE failed: pf response was %d\n",
resp->hdr.status);
bnx2x_vfpf_finalize(bp, &req->first_tlv);
free_irq:
/* Disable HW interrupts, NAPI */
bnx2x_netif_stop(bp, 0);
/* Delete all NAPI objects */
bnx2x_del_all_napi(bp);
/* Release IRQs */
bnx2x_free_irq(bp);
}
static void bnx2x_leading_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf,
struct bnx2x_vf_queue *q)
{
u8 cl_id = vfq_cl_id(vf, q);
u8 func_id = FW_VF_HANDLE(vf->abs_vfid);
/* mac */
bnx2x_init_mac_obj(bp, &q->mac_obj,
cl_id, q->cid, func_id,
bnx2x_vf_sp(bp, vf, mac_rdata),
bnx2x_vf_sp_map(bp, vf, mac_rdata),
BNX2X_FILTER_MAC_PENDING,
&vf->filter_state,
BNX2X_OBJ_TYPE_RX_TX,
&vf->vf_macs_pool);
/* vlan */
bnx2x_init_vlan_obj(bp, &q->vlan_obj,
cl_id, q->cid, func_id,
bnx2x_vf_sp(bp, vf, vlan_rdata),
bnx2x_vf_sp_map(bp, vf, vlan_rdata),
BNX2X_FILTER_VLAN_PENDING,
&vf->filter_state,
BNX2X_OBJ_TYPE_RX_TX,
&vf->vf_vlans_pool);
/* vlan-mac */
bnx2x_init_vlan_mac_obj(bp, &q->vlan_mac_obj,
cl_id, q->cid, func_id,
bnx2x_vf_sp(bp, vf, vlan_mac_rdata),
bnx2x_vf_sp_map(bp, vf, vlan_mac_rdata),
BNX2X_FILTER_VLAN_MAC_PENDING,
&vf->filter_state,
BNX2X_OBJ_TYPE_RX_TX,
&vf->vf_macs_pool,
&vf->vf_vlans_pool);
/* mcast */
bnx2x_init_mcast_obj(bp, &vf->mcast_obj, cl_id,
q->cid, func_id, func_id,
bnx2x_vf_sp(bp, vf, mcast_rdata),
bnx2x_vf_sp_map(bp, vf, mcast_rdata),
BNX2X_FILTER_MCAST_PENDING,
&vf->filter_state,
BNX2X_OBJ_TYPE_RX_TX);
/* rss */
bnx2x_init_rss_config_obj(bp, &vf->rss_conf_obj, cl_id, q->cid,
func_id, func_id,
bnx2x_vf_sp(bp, vf, rss_rdata),
bnx2x_vf_sp_map(bp, vf, rss_rdata),
BNX2X_FILTER_RSS_CONF_PENDING,
&vf->filter_state,
BNX2X_OBJ_TYPE_RX_TX);
vf->leading_rss = cl_id;
q->is_leading = true;
q->sp_initialized = true;
}
/* ask the pf to open a queue for the vf */
int bnx2x_vfpf_setup_q(struct bnx2x *bp, struct bnx2x_fastpath *fp,
bool is_leading)
{
struct vfpf_setup_q_tlv *req = &bp->vf2pf_mbox->req.setup_q;
struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
u8 fp_idx = fp->index;
u16 tpa_agg_size = 0, flags = 0;
int rc;
/* clear mailbox and prep first tlv */
bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SETUP_Q, sizeof(*req));
/* select tpa mode to request */
if (fp->mode != TPA_MODE_DISABLED) {
flags |= VFPF_QUEUE_FLG_TPA;
flags |= VFPF_QUEUE_FLG_TPA_IPV6;
if (fp->mode == TPA_MODE_GRO)
flags |= VFPF_QUEUE_FLG_TPA_GRO;
tpa_agg_size = TPA_AGG_SIZE;
}
if (is_leading)
flags |= VFPF_QUEUE_FLG_LEADING_RSS;
/* calculate queue flags */
flags |= VFPF_QUEUE_FLG_STATS;
flags |= VFPF_QUEUE_FLG_CACHE_ALIGN;
flags |= VFPF_QUEUE_FLG_VLAN;
/* Common */
req->vf_qid = fp_idx;
req->param_valid = VFPF_RXQ_VALID | VFPF_TXQ_VALID;
/* Rx */
req->rxq.rcq_addr = fp->rx_comp_mapping;
req->rxq.rcq_np_addr = fp->rx_comp_mapping + BCM_PAGE_SIZE;
req->rxq.rxq_addr = fp->rx_desc_mapping;
req->rxq.sge_addr = fp->rx_sge_mapping;
req->rxq.vf_sb = fp_idx;
req->rxq.sb_index = HC_INDEX_ETH_RX_CQ_CONS;
req->rxq.hc_rate = bp->rx_ticks ? 1000000/bp->rx_ticks : 0;
req->rxq.mtu = bp->dev->mtu;
req->rxq.buf_sz = fp->rx_buf_size;
req->rxq.sge_buf_sz = BCM_PAGE_SIZE * PAGES_PER_SGE;
req->rxq.tpa_agg_sz = tpa_agg_size;
req->rxq.max_sge_pkt = SGE_PAGE_ALIGN(bp->dev->mtu) >> SGE_PAGE_SHIFT;
req->rxq.max_sge_pkt = ((req->rxq.max_sge_pkt + PAGES_PER_SGE - 1) &
(~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
req->rxq.flags = flags;
req->rxq.drop_flags = 0;
req->rxq.cache_line_log = BNX2X_RX_ALIGN_SHIFT;
req->rxq.stat_id = -1; /* No stats at the moment */
/* Tx */
req->txq.txq_addr = fp->txdata_ptr[FIRST_TX_COS_INDEX]->tx_desc_mapping;
req->txq.vf_sb = fp_idx;
req->txq.sb_index = HC_INDEX_ETH_TX_CQ_CONS_COS0;
req->txq.hc_rate = bp->tx_ticks ? 1000000/bp->tx_ticks : 0;
req->txq.flags = flags;
req->txq.traffic_type = LLFC_TRAFFIC_TYPE_NW;
/* add list termination tlv */
bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
sizeof(struct channel_list_end_tlv));
/* output tlvs list */
bnx2x_dp_tlv_list(bp, req);
rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
if (rc)
BNX2X_ERR("Sending SETUP_Q message for queue[%d] failed!\n",
fp_idx);
if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
BNX2X_ERR("Status of SETUP_Q for queue[%d] is %d\n",
fp_idx, resp->hdr.status);
rc = -EINVAL;
}
bnx2x_vfpf_finalize(bp, &req->first_tlv);
return rc;
}
static int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx)
{
struct vfpf_q_op_tlv *req = &bp->vf2pf_mbox->req.q_op;
struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
int rc;
/* clear mailbox and prep first tlv */
bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_TEARDOWN_Q,
sizeof(*req));
req->vf_qid = qidx;
/* add list termination tlv */
bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
sizeof(struct channel_list_end_tlv));
/* output tlvs list */
bnx2x_dp_tlv_list(bp, req);
rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
if (rc) {
BNX2X_ERR("Sending TEARDOWN for queue %d failed: %d\n", qidx,
rc);
goto out;
}
/* PF failed the transaction */
if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
BNX2X_ERR("TEARDOWN for queue %d failed: %d\n", qidx,
resp->hdr.status);
rc = -EINVAL;
}
out:
bnx2x_vfpf_finalize(bp, &req->first_tlv);
return rc;
}
/* request pf to add a mac for the vf */
int bnx2x_vfpf_config_mac(struct bnx2x *bp, u8 *addr, u8 vf_qid, bool set)
{
struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content;
int rc = 0;
/* clear mailbox and prep first tlv */
bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,
sizeof(*req));
req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED;
req->vf_qid = vf_qid;
req->n_mac_vlan_filters = 1;
req->filters[0].flags = VFPF_Q_FILTER_DEST_MAC_VALID;
if (set)
req->filters[0].flags |= VFPF_Q_FILTER_SET;
/* sample bulletin board for new mac */
bnx2x_sample_bulletin(bp);
/* copy mac from device to request */
memcpy(req->filters[0].mac, addr, ETH_ALEN);
/* add list termination tlv */
bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
sizeof(struct channel_list_end_tlv));
/* output tlvs list */
bnx2x_dp_tlv_list(bp, req);
/* send message to pf */
rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
if (rc) {
BNX2X_ERR("failed to send message to pf. rc was %d\n", rc);
goto out;
}
/* failure may mean PF was configured with a new mac for us */
while (resp->hdr.status == PFVF_STATUS_FAILURE) {
DP(BNX2X_MSG_IOV,
"vfpf SET MAC failed. Check bulletin board for new posts\n");
/* copy mac from bulletin to device */
memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN);
/* check if bulletin board was updated */
if (bnx2x_sample_bulletin(bp) == PFVF_BULLETIN_UPDATED) {
/* copy mac from device to request */
memcpy(req->filters[0].mac, bp->dev->dev_addr,
ETH_ALEN);
/* send message to pf */
rc = bnx2x_send_msg2pf(bp, &resp->hdr.status,
bp->vf2pf_mbox_mapping);
} else {
/* no new info in bulletin */
break;
}
}
if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
BNX2X_ERR("vfpf SET MAC failed: %d\n", resp->hdr.status);
rc = -EINVAL;
}
out:
bnx2x_vfpf_finalize(bp, &req->first_tlv);
return rc;
}
/* request pf to config rss table for vf queues*/
int bnx2x_vfpf_config_rss(struct bnx2x *bp,
struct bnx2x_config_rss_params *params)
{
struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
struct vfpf_rss_tlv *req = &bp->vf2pf_mbox->req.update_rss;
int rc = 0;
/* clear mailbox and prep first tlv */
bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_UPDATE_RSS,
sizeof(*req));
/* add list termination tlv */
bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
sizeof(struct channel_list_end_tlv));
memcpy(req->ind_table, params->ind_table, T_ETH_INDIRECTION_TABLE_SIZE);
memcpy(req->rss_key, params->rss_key, sizeof(params->rss_key));
req->ind_table_size = T_ETH_INDIRECTION_TABLE_SIZE;
req->rss_key_size = T_ETH_RSS_KEY;
req->rss_result_mask = params->rss_result_mask;
/* flags handled individually for backward/forward compatibility */
if (params->rss_flags & (1 << BNX2X_RSS_MODE_DISABLED))
req->rss_flags |= VFPF_RSS_MODE_DISABLED;
if (params->rss_flags & (1 << BNX2X_RSS_MODE_REGULAR))
req->rss_flags |= VFPF_RSS_MODE_REGULAR;
if (params->rss_flags & (1 << BNX2X_RSS_SET_SRCH))
req->rss_flags |= VFPF_RSS_SET_SRCH;
if (params->rss_flags & (1 << BNX2X_RSS_IPV4))
req->rss_flags |= VFPF_RSS_IPV4;
if (params->rss_flags & (1 << BNX2X_RSS_IPV4_TCP))
req->rss_flags |= VFPF_RSS_IPV4_TCP;
if (params->rss_flags & (1 << BNX2X_RSS_IPV4_UDP))
req->rss_flags |= VFPF_RSS_IPV4_UDP;
if (params->rss_flags & (1 << BNX2X_RSS_IPV6))
req->rss_flags |= VFPF_RSS_IPV6;
if (params->rss_flags & (1 << BNX2X_RSS_IPV6_TCP))
req->rss_flags |= VFPF_RSS_IPV6_TCP;
if (params->rss_flags & (1 << BNX2X_RSS_IPV6_UDP))
req->rss_flags |= VFPF_RSS_IPV6_UDP;
DP(BNX2X_MSG_IOV, "rss flags %x\n", req->rss_flags);
/* output tlvs list */
bnx2x_dp_tlv_list(bp, req);
/* send message to pf */
rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
if (rc) {
BNX2X_ERR("failed to send message to pf. rc was %d\n", rc);
goto out;
}
if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
/* Since older drivers don't support this feature (and VF has
* no way of knowing other than failing this), don't propagate
* an error in this case.
*/
DP(BNX2X_MSG_IOV,
"Failed to send rss message to PF over VF-PF channel [%d]\n",
resp->hdr.status);
}
out:
bnx2x_vfpf_finalize(bp, &req->first_tlv);
return rc;
}
int bnx2x_vfpf_set_mcast(struct net_device *dev)
{
struct bnx2x *bp = netdev_priv(dev);
struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
int rc = 0, i = 0;
struct netdev_hw_addr *ha;
if (bp->state != BNX2X_STATE_OPEN) {
DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
return -EINVAL;
}
/* clear mailbox and prep first tlv */
bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,
sizeof(*req));
/* Get Rx mode requested */
DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
/* We support PFVF_MAX_MULTICAST_PER_VF mcast addresses tops */
if (netdev_mc_count(dev) > PFVF_MAX_MULTICAST_PER_VF) {
DP(NETIF_MSG_IFUP,
"VF supports not more than %d multicast MAC addresses\n",
PFVF_MAX_MULTICAST_PER_VF);
rc = -EINVAL;
goto out;
}
netdev_for_each_mc_addr(ha, dev) {
DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
bnx2x_mc_addr(ha));
memcpy(req->multicast[i], bnx2x_mc_addr(ha), ETH_ALEN);
i++;
}
req->n_multicast = i;
req->flags |= VFPF_SET_Q_FILTERS_MULTICAST_CHANGED;
req->vf_qid = 0;
/* add list termination tlv */
bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
sizeof(struct channel_list_end_tlv));
/* output tlvs list */
bnx2x_dp_tlv_list(bp, req);
rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
if (rc) {
BNX2X_ERR("Sending a message failed: %d\n", rc);
goto out;
}
if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
BNX2X_ERR("Set Rx mode/multicast failed: %d\n",
resp->hdr.status);
rc = -EINVAL;
}
out:
bnx2x_vfpf_finalize(bp, &req->first_tlv);
return rc;
}
/* request pf to add a vlan for the vf */
int bnx2x_vfpf_update_vlan(struct bnx2x *bp, u16 vid, u8 vf_qid, bool add)
{
struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
int rc = 0;
if (!(bp->acquire_resp.pfdev_info.pf_cap & PFVF_CAP_VLAN_FILTER)) {
DP(BNX2X_MSG_IOV, "HV does not support vlan filtering\n");
return 0;
}
/* clear mailbox and prep first tlv */
bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,
sizeof(*req));
req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED;
req->vf_qid = vf_qid;
req->n_mac_vlan_filters = 1;
req->filters[0].flags = VFPF_Q_FILTER_VLAN_TAG_VALID;
if (add)
req->filters[0].flags |= VFPF_Q_FILTER_SET;
/* sample bulletin board for hypervisor vlan */
bnx2x_sample_bulletin(bp);
if (bp->shadow_bulletin.content.valid_bitmap & 1 << VLAN_VALID) {
BNX2X_ERR("Hypervisor will decline the request, avoiding\n");
rc = -EINVAL;
goto out;
}
req->filters[0].vlan_tag = vid;
/* add list termination tlv */
bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
sizeof(struct channel_list_end_tlv));
/* output tlvs list */
bnx2x_dp_tlv_list(bp, req);
/* send message to pf */
rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
if (rc) {
BNX2X_ERR("failed to send message to pf. rc was %d\n", rc);
goto out;
}
if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
BNX2X_ERR("vfpf %s VLAN %d failed\n", add ? "add" : "del",
vid);
rc = -EINVAL;
}
out:
bnx2x_vfpf_finalize(bp, &req->first_tlv);
return rc;
}
int bnx2x_vfpf_storm_rx_mode(struct bnx2x *bp)
{
int mode = bp->rx_mode;
struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
int rc;
/* clear mailbox and prep first tlv */
bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,
sizeof(*req));