--- /dev/null
+/* bnx2x_vfpf.c: Broadcom Everest network driver.
+ *
+ * Copyright 2009-2013 Broadcom Corporation
+ *
+ * Unless you and Broadcom 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 Broadcom software provided under a
+ * license other than the GPL, without Broadcom'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(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;
+
+ /* 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;
+
+ /* 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;
+ 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,
+ &bp->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,
+ &bp->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_MAC;
+
+ /* 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, 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);
+
+ 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++;
+ }
+
+ /* We support four PFVF_MAX_MULTICAST_PER_VF mcast
+ * addresses tops
+ */
+ if (i >= PFVF_MAX_MULTICAST_PER_VF) {
+ DP(NETIF_MSG_IFUP,
+ "VF supports not more than %d multicast MAC addresses\n",
+ PFVF_MAX_MULTICAST_PER_VF);
+ return -EINVAL;
+ }
+
+ 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 0;
+}
+
+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));
+
+ DP(NETIF_MSG_IFUP, "Rx mode is %d\n", mode);
+
+ /* Ignore everything accept MODE_NONE */
+ if (mode == BNX2X_RX_MODE_NONE) {
+ req->rx_mask = VFPF_RX_MASK_ACCEPT_NONE;
+ } else {
+ /* Current PF driver will not look at the specific flags,
+ * but they are required when working with older drivers on hv.
+ */
+ req->rx_mask = VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST;
+ req->rx_mask |= VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST;
+ req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST;
+ }
+
+ req->flags |= VFPF_SET_Q_FILTERS_RX_MASK_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);
+
+ if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
+ BNX2X_ERR("Set Rx mode failed: %d\n", resp->hdr.status);
+ rc = -EINVAL;
+ }
+
+ bnx2x_vfpf_finalize(bp, &req->first_tlv);
+
+ return rc;
+}
+
+/* General service functions */
+static void storm_memset_vf_mbx_ack(struct bnx2x *bp, u16 abs_fid)
+{
+ u32 addr = BAR_CSTRORM_INTMEM +
+ CSTORM_VF_PF_CHANNEL_STATE_OFFSET(abs_fid);
+
+ REG_WR8(bp, addr, VF_PF_CHANNEL_STATE_READY);
+}
+
+static void storm_memset_vf_mbx_valid(struct bnx2x *bp, u16 abs_fid)
+{
+ u32 addr = BAR_CSTRORM_INTMEM +
+ CSTORM_VF_PF_CHANNEL_VALID_OFFSET(abs_fid);
+
+ REG_WR8(bp, addr, 1);
+}
+
+/* enable vf_pf mailbox (aka vf-pf-channel) */
+void bnx2x_vf_enable_mbx(struct bnx2x *bp, u8 abs_vfid)
+{
+ bnx2x_vf_flr_clnup_epilog(bp, abs_vfid);
+
+ /* enable the mailbox in the FW */
+ storm_memset_vf_mbx_ack(bp, abs_vfid);
+ storm_memset_vf_mbx_valid(bp, abs_vfid);
+
+ /* enable the VF access to the mailbox */
+ bnx2x_vf_enable_access(bp, abs_vfid);
+}
+
+/* this works only on !E1h */
+static int bnx2x_copy32_vf_dmae(struct bnx2x *bp, u8 from_vf,
+ dma_addr_t pf_addr, u8 vfid, u32 vf_addr_hi,
+ u32 vf_addr_lo, u32 len32)
+{
+ struct dmae_command dmae;
+
+ if (CHIP_IS_E1x(bp)) {
+ BNX2X_ERR("Chip revision does not support VFs\n");
+ return DMAE_NOT_RDY;
+ }
+
+ if (!bp->dmae_ready) {
+ BNX2X_ERR("DMAE is not ready, can not copy\n");
+ return DMAE_NOT_RDY;
+ }
+
+ /* set opcode and fixed command fields */
+ bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_PCI);
+
+ if (from_vf) {
+ dmae.opcode_iov = (vfid << DMAE_COMMAND_SRC_VFID_SHIFT) |
+ (DMAE_SRC_VF << DMAE_COMMAND_SRC_VFPF_SHIFT) |
+ (DMAE_DST_PF << DMAE_COMMAND_DST_VFPF_SHIFT);
+
+ dmae.opcode |= (DMAE_C_DST << DMAE_COMMAND_C_FUNC_SHIFT);
+
+ dmae.src_addr_lo = vf_addr_lo;
+ dmae.src_addr_hi = vf_addr_hi;
+ dmae.dst_addr_lo = U64_LO(pf_addr);
+ dmae.dst_addr_hi = U64_HI(pf_addr);
+ } else {
+ dmae.opcode_iov = (vfid << DMAE_COMMAND_DST_VFID_SHIFT) |
+ (DMAE_DST_VF << DMAE_COMMAND_DST_VFPF_SHIFT) |
+ (DMAE_SRC_PF << DMAE_COMMAND_SRC_VFPF_SHIFT);
+
+ dmae.opcode |= (DMAE_C_SRC << DMAE_COMMAND_C_FUNC_SHIFT);
+
+ dmae.src_addr_lo = U64_LO(pf_addr);
+ dmae.src_addr_hi = U64_HI(pf_addr);
+ dmae.dst_addr_lo = vf_addr_lo;
+ dmae.dst_addr_hi = vf_addr_hi;
+ }
+ dmae.len = len32;
+
+ /* issue the command and wait for completion */
+ return bnx2x_issue_dmae_with_comp(bp, &dmae, bnx2x_sp(bp, wb_comp));
+}
+
+static void bnx2x_vf_mbx_resp_single_tlv(struct bnx2x *bp,
+ struct bnx2x_virtf *vf)
+{
+ struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index);
+ u16 length, type;
+
+ /* prepare response */
+ type = mbx->first_tlv.tl.type;
+ length = type == CHANNEL_TLV_ACQUIRE ?
+ sizeof(struct pfvf_acquire_resp_tlv) :
+ sizeof(struct pfvf_general_resp_tlv);
+ bnx2x_add_tlv(bp, &mbx->msg->resp, 0, type, length);
+ bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END,
+ sizeof(struct channel_list_end_tlv));
+}
+
+static void bnx2x_vf_mbx_resp_send_msg(struct bnx2x *bp,
+ struct bnx2x_virtf *vf,
+ int vf_rc)
+{
+ struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index);
+ struct pfvf_general_resp_tlv *resp = &mbx->msg->resp.general_resp;
+ dma_addr_t pf_addr;
+ u64 vf_addr;
+ int rc;
+
+ bnx2x_dp_tlv_list(bp, resp);
+ DP(BNX2X_MSG_IOV, "mailbox vf address hi 0x%x, lo 0x%x, offset 0x%x\n",
+ mbx->vf_addr_hi, mbx->vf_addr_lo, mbx->first_tlv.resp_msg_offset);
+
+ resp->hdr.status = bnx2x_pfvf_status_codes(vf_rc);
+
+ /* send response */
+ vf_addr = HILO_U64(mbx->vf_addr_hi, mbx->vf_addr_lo) +
+ mbx->first_tlv.resp_msg_offset;
+ pf_addr = mbx->msg_mapping +
+ offsetof(struct bnx2x_vf_mbx_msg, resp);
+
+ /* Copy the response buffer. The first u64 is written afterwards, as
+ * the vf is sensitive to the header being written
+ */
+ vf_addr += sizeof(u64);
+ pf_addr += sizeof(u64);
+ rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid,
+ U64_HI(vf_addr),
+ U64_LO(vf_addr),
+ (sizeof(union pfvf_tlvs) - sizeof(u64))/4);
+ if (rc) {
+ BNX2X_ERR("Failed to copy response body to VF %d\n",
+ vf->abs_vfid);
+ goto mbx_error;
+ }
+ vf_addr -= sizeof(u64);
+ pf_addr -= sizeof(u64);
+
+ /* ack the FW */
+ storm_memset_vf_mbx_ack(bp, vf->abs_vfid);
+ mmiowb();
+
+ /* copy the response header including status-done field,
+ * must be last dmae, must be after FW is acked
+ */
+ rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid,
+ U64_HI(vf_addr),
+ U64_LO(vf_addr),
+ sizeof(u64)/4);
+
+ /* unlock channel mutex */
+ bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);
+
+ if (rc) {
+ BNX2X_ERR("Failed to copy response status to VF %d\n",
+ vf->abs_vfid);
+ goto mbx_error;
+ }
+ return;
+
+mbx_error:
+ bnx2x_vf_release(bp, vf);
+}
+
+static void bnx2x_vf_mbx_resp(struct bnx2x *bp,
+ struct bnx2x_virtf *vf,
+ int rc)
+{
+ bnx2x_vf_mbx_resp_single_tlv(bp, vf);
+ bnx2x_vf_mbx_resp_send_msg(bp, vf, rc);
+}
+
+static void bnx2x_vf_mbx_resp_phys_port(struct bnx2x *bp,
+ struct bnx2x_virtf *vf,
+ void *buffer,
+ u16 *offset)
+{
+ struct vfpf_port_phys_id_resp_tlv *port_id;
+
+ if (!(bp->flags & HAS_PHYS_PORT_ID))
+ return;
+
+ bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_PHYS_PORT_ID,
+ sizeof(struct vfpf_port_phys_id_resp_tlv));
+
+ port_id = (struct vfpf_port_phys_id_resp_tlv *)
+ (((u8 *)buffer) + *offset);
+ memcpy(port_id->id, bp->phys_port_id, ETH_ALEN);
+
+ /* Offset should continue representing the offset to the tail
+ * of TLV data (outside this function scope)
+ */
+ *offset += sizeof(struct vfpf_port_phys_id_resp_tlv);
+}
+
+static void bnx2x_vf_mbx_resp_fp_hsi_ver(struct bnx2x *bp,
+ struct bnx2x_virtf *vf,
+ void *buffer,
+ u16 *offset)
+{
+ struct vfpf_fp_hsi_resp_tlv *fp_hsi;
+
+ bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_FP_HSI_SUPPORT,
+ sizeof(struct vfpf_fp_hsi_resp_tlv));
+
+ fp_hsi = (struct vfpf_fp_hsi_resp_tlv *)
+ (((u8 *)buffer) + *offset);
+ fp_hsi->is_supported = (vf->fp_hsi > ETH_FP_HSI_VERSION) ? 0 : 1;
+
+ /* Offset should continue representing the offset to the tail
+ * of TLV data (outside this function scope)
+ */
+ *offset += sizeof(struct vfpf_fp_hsi_resp_tlv);
+}
+
+static void bnx2x_vf_mbx_acquire_resp(struct bnx2x *bp, struct bnx2x_virtf *vf,
+ struct bnx2x_vf_mbx *mbx, int vfop_status)
+{
+ int i;
+ struct pfvf_acquire_resp_tlv *resp = &mbx->msg->resp.acquire_resp;
+ struct pf_vf_resc *resc = &resp->resc;
+ u8 status = bnx2x_pfvf_status_codes(vfop_status);
+ u16 length;
+
+ memset(resp, 0, sizeof(*resp));
+
+ /* fill in pfdev info */
+ resp->pfdev_info.chip_num = bp->common.chip_id;
+ resp->pfdev_info.db_size = bp->db_size;
+ resp->pfdev_info.indices_per_sb = HC_SB_MAX_INDICES_E2;
+ resp->pfdev_info.pf_cap = (PFVF_CAP_RSS |
+ PFVF_CAP_TPA |
+ PFVF_CAP_TPA_UPDATE);
+ bnx2x_fill_fw_str(bp, resp->pfdev_info.fw_ver,
+ sizeof(resp->pfdev_info.fw_ver));
+
+ if (status == PFVF_STATUS_NO_RESOURCE ||
+ status == PFVF_STATUS_SUCCESS) {
+ /* set resources numbers, if status equals NO_RESOURCE these
+ * are max possible numbers
+ */
+ resc->num_rxqs = vf_rxq_count(vf) ? :
+ bnx2x_vf_max_queue_cnt(bp, vf);
+ resc->num_txqs = vf_txq_count(vf) ? :
+ bnx2x_vf_max_queue_cnt(bp, vf);
+ resc->num_sbs = vf_sb_count(vf);
+ resc->num_mac_filters = vf_mac_rules_cnt(vf);
+ resc->num_vlan_filters = vf_vlan_rules_visible_cnt(vf);
+ resc->num_mc_filters = 0;
+
+ if (status == PFVF_STATUS_SUCCESS) {
+ /* fill in the allocated resources */
+ struct pf_vf_bulletin_content *bulletin =
+ BP_VF_BULLETIN(bp, vf->index);
+
+ for_each_vfq(vf, i)
+ resc->hw_qid[i] =
+ vfq_qzone_id(vf, vfq_get(vf, i));
+
+ for_each_vf_sb(vf, i) {
+ resc->hw_sbs[i].hw_sb_id = vf_igu_sb(vf, i);
+ resc->hw_sbs[i].sb_qid = vf_hc_qzone(vf, i);
+ }
+
+ /* if a mac has been set for this vf, supply it */
+ if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) {
+ memcpy(resc->current_mac_addr, bulletin->mac,
+ ETH_ALEN);
+ }
+ }
+ }
+
+ DP(BNX2X_MSG_IOV, "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x, db_size=%d, idx_per_sb=%d, pf_cap=0x%x\n"
+ "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d, n_mcs-%d, fw_ver: '%s'\n",
+ vf->abs_vfid,
+ resp->pfdev_info.chip_num,
+ resp->pfdev_info.db_size,
+ resp->pfdev_info.indices_per_sb,
+ resp->pfdev_info.pf_cap,
+ resc->num_rxqs,
+ resc->num_txqs,
+ resc->num_sbs,
+ resc->num_mac_filters,
+ resc->num_vlan_filters,
+ resc->num_mc_filters,
+ resp->pfdev_info.fw_ver);
+
+ DP_CONT(BNX2X_MSG_IOV, "hw_qids- [ ");
+ for (i = 0; i < vf_rxq_count(vf); i++)
+ DP_CONT(BNX2X_MSG_IOV, "%d ", resc->hw_qid[i]);
+ DP_CONT(BNX2X_MSG_IOV, "], sb_info- [ ");
+ for (i = 0; i < vf_sb_count(vf); i++)
+ DP_CONT(BNX2X_MSG_IOV, "%d:%d ",
+ resc->hw_sbs[i].hw_sb_id,
+ resc->hw_sbs[i].sb_qid);
+ DP_CONT(BNX2X_MSG_IOV, "]\n");
+
+ /* prepare response */
+ length = sizeof(struct pfvf_acquire_resp_tlv);
+ bnx2x_add_tlv(bp, &mbx->msg->resp, 0, CHANNEL_TLV_ACQUIRE, length);
+
+ /* Handle possible VF requests for physical port identifiers.
+ * 'length' should continue to indicate the offset of the first empty
+ * place in the buffer (i.e., where next TLV should be inserted)
+ */
+ if (bnx2x_search_tlv_list(bp, &mbx->msg->req,
+ CHANNEL_TLV_PHYS_PORT_ID))
+ bnx2x_vf_mbx_resp_phys_port(bp, vf, &mbx->msg->resp, &length);
+
+ /* `New' vfs will want to know if fastpath HSI is supported, since
+ * if that's not the case they could print into system log the fact
+ * the driver version must be updated.
+ */
+ bnx2x_vf_mbx_resp_fp_hsi_ver(bp, vf, &mbx->msg->resp, &length);
+
+ bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END,
+ sizeof(struct channel_list_end_tlv));
+
+ /* send the response */
+ bnx2x_vf_mbx_resp_send_msg(bp, vf, vfop_status);
+}
+
+static bool bnx2x_vf_mbx_is_windows_vm(struct bnx2x *bp,
+ struct vfpf_acquire_tlv *acquire)
+{
+ /* Windows driver does one of three things:
+ * 1. Old driver doesn't have bulletin board address set.
+ * 2. 'Middle' driver sends mc_num == 32.
+ * 3. New driver sets the OS field.
+ */
+ if (!acquire->bulletin_addr ||
+ acquire->resc_request.num_mc_filters == 32 ||
+ ((acquire->vfdev_info.vf_os & VF_OS_MASK) ==
+ VF_OS_WINDOWS))
+ return true;
+
+ return false;
+}
+
+static int bnx2x_vf_mbx_acquire_chk_dorq(struct bnx2x *bp,
+ struct bnx2x_virtf *vf,
+ struct bnx2x_vf_mbx *mbx)
+{
+ /* Linux drivers which correctly set the doorbell size also
+ * send a physical port request
+ */
+ if (bnx2x_search_tlv_list(bp, &mbx->msg->req,
+ CHANNEL_TLV_PHYS_PORT_ID))
+ return 0;
+
+ /* Issue does not exist in windows VMs */
+ if (bnx2x_vf_mbx_is_windows_vm(bp, &mbx->msg->req.acquire))
+ return 0;
+
+ return -EOPNOTSUPP;
+}
+
+static void bnx2x_vf_mbx_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf,
+ struct bnx2x_vf_mbx *mbx)
+{
+ int rc;
+ struct vfpf_acquire_tlv *acquire = &mbx->msg->req.acquire;
+
+ /* log vfdef info */
+ DP(BNX2X_MSG_IOV,
+ "VF[%d] ACQUIRE: vfdev_info- vf_id %d, vf_os %d resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d, n_mcs-%d\n",
+ vf->abs_vfid, acquire->vfdev_info.vf_id, acquire->vfdev_info.vf_os,
+ acquire->resc_request.num_rxqs, acquire->resc_request.num_txqs,
+ acquire->resc_request.num_sbs, acquire->resc_request.num_mac_filters,
+ acquire->resc_request.num_vlan_filters,
+ acquire->resc_request.num_mc_filters);
+
+ /* Prevent VFs with old drivers from loading, since they calculate
+ * CIDs incorrectly requiring a VF-flr [VM reboot] in order to recover
+ * while being upgraded.
+ */
+ rc = bnx2x_vf_mbx_acquire_chk_dorq(bp, vf, mbx);
+ if (rc) {
+ DP(BNX2X_MSG_IOV,
+ "VF [%d] - Can't support acquire request due to doorbell mismatch. Please update VM driver\n",
+ vf->abs_vfid);
+ goto out;
+ }
+
+ /* Verify the VF fastpath HSI can be supported by the loaded FW.
+ * Linux vfs should be oblivious to changes between v0 and v2.
+ */
+ if (bnx2x_vf_mbx_is_windows_vm(bp, &mbx->msg->req.acquire))
+ vf->fp_hsi = acquire->vfdev_info.fp_hsi_ver;
+ else
+ vf->fp_hsi = max_t(u8, acquire->vfdev_info.fp_hsi_ver,
+ ETH_FP_HSI_VER_2);
+ if (vf->fp_hsi > ETH_FP_HSI_VERSION) {
+ DP(BNX2X_MSG_IOV,
+ "VF [%d] - Can't support acquire request since VF requests a FW version which is too new [%02x > %02x]\n",
+ vf->abs_vfid, acquire->vfdev_info.fp_hsi_ver,
+ ETH_FP_HSI_VERSION);
+ rc = -EINVAL;
+ goto out;
+ }
+
+ /* acquire the resources */
+ rc = bnx2x_vf_acquire(bp, vf, &acquire->resc_request);
+
+ /* store address of vf's bulletin board */
+ vf->bulletin_map = acquire->bulletin_addr;
+ if (acquire->vfdev_info.caps & VF_CAP_SUPPORT_EXT_BULLETIN) {
+ DP(BNX2X_MSG_IOV, "VF[%d] supports long bulletin boards\n",
+ vf->abs_vfid);
+ vf->cfg_flags |= VF_CFG_EXT_BULLETIN;
+ } else {
+ vf->cfg_flags &= ~VF_CFG_EXT_BULLETIN;
+ }
+
+out:
+ /* response */
+ bnx2x_vf_mbx_acquire_resp(bp, vf, mbx, rc);
+}
+
+static void bnx2x_vf_mbx_init_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,
+ struct bnx2x_vf_mbx *mbx)
+{
+ struct vfpf_init_tlv *init = &mbx->msg->req.init;
+ int rc;
+
+ /* record ghost addresses from vf message */
+ vf->spq_map = init->spq_addr;
+ vf->fw_stat_map = init->stats_addr;
+ vf->stats_stride = init->stats_stride;
+ rc = bnx2x_vf_init(bp, vf, (dma_addr_t *)init->sb_addr);
+
+ /* set VF multiqueue statistics collection mode */
+ if (init->flags & VFPF_INIT_FLG_STATS_COALESCE)
+ vf->cfg_flags |= VF_CFG_STATS_COALESCE;
+
+ /* Update VF's view of link state */
+ if (vf->cfg_flags & VF_CFG_EXT_BULLETIN)
+ bnx2x_iov_link_update_vf(bp, vf->index);
+
+ /* response */
+ bnx2x_vf_mbx_resp(bp, vf, rc);
+}
+
+/* convert MBX queue-flags to standard SP queue-flags */
+static void bnx2x_vf_mbx_set_q_flags(struct bnx2x *bp, u32 mbx_q_flags,
+ unsigned long *sp_q_flags)
+{
+ if (mbx_q_flags & VFPF_QUEUE_FLG_TPA)
+ __set_bit(BNX2X_Q_FLG_TPA, sp_q_flags);
+ if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_IPV6)
+ __set_bit(BNX2X_Q_FLG_TPA_IPV6, sp_q_flags);
+ if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_GRO)
+ __set_bit(BNX2X_Q_FLG_TPA_GRO, sp_q_flags);
+ if (mbx_q_flags & VFPF_QUEUE_FLG_STATS)
+ __set_bit(BNX2X_Q_FLG_STATS, sp_q_flags);
+ if (mbx_q_flags & VFPF_QUEUE_FLG_VLAN)
+ __set_bit(BNX2X_Q_FLG_VLAN, sp_q_flags);
+ if (mbx_q_flags & VFPF_QUEUE_FLG_COS)
+ __set_bit(BNX2X_Q_FLG_COS, sp_q_flags);
+ if (mbx_q_flags & VFPF_QUEUE_FLG_HC)
+ __set_bit(BNX2X_Q_FLG_HC, sp_q_flags);
+ if (mbx_q_flags & VFPF_QUEUE_FLG_DHC)
+ __set_bit(BNX2X_Q_FLG_DHC, sp_q_flags);
+ if (mbx_q_flags & VFPF_QUEUE_FLG_LEADING_RSS)
+ __set_bit(BNX2X_Q_FLG_LEADING_RSS, sp_q_flags);
+
+ /* outer vlan removal is set according to PF's multi function mode */
+ if (IS_MF_SD(bp))
+ __set_bit(BNX2X_Q_FLG_OV, sp_q_flags);
+}
+
+static void bnx2x_vf_mbx_setup_q(struct bnx2x *bp, struct bnx2x_virtf *vf,
+ struct bnx2x_vf_mbx *mbx)
+{
+ struct vfpf_setup_q_tlv *setup_q = &mbx->msg->req.setup_q;
+ struct bnx2x_vf_queue_construct_params qctor;
+ int rc = 0;
+
+ /* verify vf_qid */
+ if (setup_q->vf_qid >= vf_rxq_count(vf)) {
+ BNX2X_ERR("vf_qid %d invalid, max queue count is %d\n",
+ setup_q->vf_qid, vf_rxq_count(vf));
+ rc = -EINVAL;
+ goto response;
+ }
+
+ /* tx queues must be setup alongside rx queues thus if the rx queue
+ * is not marked as valid there's nothing to do.
+ */
+ if (setup_q->param_valid & (VFPF_RXQ_VALID|VFPF_TXQ_VALID)) {
+ struct bnx2x_vf_queue *q = vfq_get(vf, setup_q->vf_qid);
+ unsigned long q_type = 0;
+
+ struct bnx2x_queue_init_params *init_p;
+ struct bnx2x_queue_setup_params *setup_p;
+
+ if (bnx2x_vfq_is_leading(q))
+ bnx2x_leading_vfq_init(bp, vf, q);
+
+ /* re-init the VF operation context */
+ memset(&qctor, 0 ,
+ sizeof(struct bnx2x_vf_queue_construct_params));
+ setup_p = &qctor.prep_qsetup;
+ init_p = &qctor.qstate.params.init;
+
+ /* activate immediately */
+ __set_bit(BNX2X_Q_FLG_ACTIVE, &setup_p->flags);
+
+ if (setup_q->param_valid & VFPF_TXQ_VALID) {
+ struct bnx2x_txq_setup_params *txq_params =
+ &setup_p->txq_params;
+
+ __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
+
+ /* save sb resource index */
+ q->sb_idx = setup_q->txq.vf_sb;
+
+ /* tx init */
+ init_p->tx.hc_rate = setup_q->txq.hc_rate;
+ init_p->tx.sb_cq_index = setup_q->txq.sb_index;
+
+ bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags,
+ &init_p->tx.flags);
+
+ /* tx setup - flags */
+ bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags,
+ &setup_p->flags);
+
+ /* tx setup - general, nothing */
+
+ /* tx setup - tx */
+ txq_params->dscr_map = setup_q->txq.txq_addr;
+ txq_params->sb_cq_index = setup_q->txq.sb_index;
+ txq_params->traffic_type = setup_q->txq.traffic_type;
+
+ bnx2x_vfop_qctor_dump_tx(bp, vf, init_p, setup_p,
+ q->index, q->sb_idx);
+ }
+
+ if (setup_q->param_valid & VFPF_RXQ_VALID) {
+ struct bnx2x_rxq_setup_params *rxq_params =
+ &setup_p->rxq_params;
+
+ __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
+
+ /* Note: there is no support for different SBs
+ * for TX and RX
+ */
+ q->sb_idx = setup_q->rxq.vf_sb;
+
+ /* rx init */
+ init_p->rx.hc_rate = setup_q->rxq.hc_rate;
+ init_p->rx.sb_cq_index = setup_q->rxq.sb_index;
+ bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags,
+ &init_p->rx.flags);
+
+ /* rx setup - flags */
+ bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags,
+ &setup_p->flags);
+
+ /* rx setup - general */
+ setup_p->gen_params.mtu = setup_q->rxq.mtu;
+
+ /* rx setup - rx */
+ rxq_params->drop_flags = setup_q->rxq.drop_flags;
+ rxq_params->dscr_map = setup_q->rxq.rxq_addr;
+ rxq_params->sge_map = setup_q->rxq.sge_addr;
+ rxq_params->rcq_map = setup_q->rxq.rcq_addr;
+ rxq_params->rcq_np_map = setup_q->rxq.rcq_np_addr;
+ rxq_params->buf_sz = setup_q->rxq.buf_sz;
+ rxq_params->tpa_agg_sz = setup_q->rxq.tpa_agg_sz;
+ rxq_params->max_sges_pkt = setup_q->rxq.max_sge_pkt;
+ rxq_params->sge_buf_sz = setup_q->rxq.sge_buf_sz;
+ rxq_params->cache_line_log =
+ setup_q->rxq.cache_line_log;
+ rxq_params->sb_cq_index = setup_q->rxq.sb_index;
+
+ /* rx setup - multicast engine */
+ if (bnx2x_vfq_is_leading(q)) {
+ u8 mcast_id = FW_VF_HANDLE(vf->abs_vfid);
+
+ rxq_params->mcast_engine_id = mcast_id;
+ __set_bit(BNX2X_Q_FLG_MCAST, &setup_p->flags);
+ }
+
+ bnx2x_vfop_qctor_dump_rx(bp, vf, init_p, setup_p,
+ q->index, q->sb_idx);
+ }
+ /* complete the preparations */
+ bnx2x_vfop_qctor_prep(bp, vf, q, &qctor, q_type);
+
+ rc = bnx2x_vf_queue_setup(bp, vf, q->index, &qctor);
+ if (rc)
+ goto response;
+ }
+response:
+ bnx2x_vf_mbx_resp(bp, vf, rc);
+}
+
+static int bnx2x_vf_mbx_macvlan_list(struct bnx2x *bp,
+ struct bnx2x_virtf *vf,
+ struct vfpf_set_q_filters_tlv *tlv,
+ struct bnx2x_vf_mac_vlan_filters **pfl,
+ u32 type_flag)
+{
+ int i, j;
+ struct bnx2x_vf_mac_vlan_filters *fl = NULL;
+ size_t fsz;
+
+ fsz = tlv->n_mac_vlan_filters *
+ sizeof(struct bnx2x_vf_mac_vlan_filter) +
+ sizeof(struct bnx2x_vf_mac_vlan_filters);
+
+ fl = kzalloc(fsz, GFP_KERNEL);
+ if (!fl)
+ return -ENOMEM;
+
+ for (i = 0, j = 0; i < tlv->n_mac_vlan_filters; i++) {
+ struct vfpf_q_mac_vlan_filter *msg_filter = &tlv->filters[i];
+
+ if ((msg_filter->flags & type_flag) != type_flag)
+ continue;
+ if (type_flag == VFPF_Q_FILTER_DEST_MAC_VALID) {
+ fl->filters[j].mac = msg_filter->mac;
+ fl->filters[j].type = BNX2X_VF_FILTER_MAC;
+ } else {
+ fl->filters[j].vid = msg_filter->vlan_tag;
+ fl->filters[j].type = BNX2X_VF_FILTER_VLAN;
+ }
+ fl->filters[j].add =
+ (msg_filter->flags & VFPF_Q_FILTER_SET_MAC) ?
+ true : false;
+ fl->count++;
+ }
+ if (!fl->count)
+ kfree(fl);
+ else
+ *pfl = fl;
+
+ return 0;
+}
+
+static void bnx2x_vf_mbx_dp_q_filter(struct bnx2x *bp, int msglvl, int idx,
+ struct vfpf_q_mac_vlan_filter *filter)
+{
+ DP(msglvl, "MAC-VLAN[%d] -- flags=0x%x\n", idx, filter->flags);
+ if (filter->flags & VFPF_Q_FILTER_VLAN_TAG_VALID)
+ DP_CONT(msglvl, ", vlan=%d", filter->vlan_tag);
+ if (filter->flags & VFPF_Q_FILTER_DEST_MAC_VALID)
+ DP_CONT(msglvl, ", MAC=%pM", filter->mac);
+ DP_CONT(msglvl, "\n");
+}
+
+static void bnx2x_vf_mbx_dp_q_filters(struct bnx2x *bp, int msglvl,
+ struct vfpf_set_q_filters_tlv *filters)
+{
+ int i;
+
+ if (filters->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED)
+ for (i = 0; i < filters->n_mac_vlan_filters; i++)
+ bnx2x_vf_mbx_dp_q_filter(bp, msglvl, i,
+ &filters->filters[i]);
+
+ if (filters->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED)
+ DP(msglvl, "RX-MASK=0x%x\n", filters->rx_mask);
+
+ if (filters->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED)
+ for (i = 0; i < filters->n_multicast; i++)
+ DP(msglvl, "MULTICAST=%pM\n", filters->multicast[i]);
+}
+
+#define VFPF_MAC_FILTER VFPF_Q_FILTER_DEST_MAC_VALID
+#define VFPF_VLAN_FILTER VFPF_Q_FILTER_VLAN_TAG_VALID
+
+static int bnx2x_vf_mbx_qfilters(struct bnx2x *bp, struct bnx2x_virtf *vf)
+{
+ int rc = 0;
+
+ struct vfpf_set_q_filters_tlv *msg =
+ &BP_VF_MBX(bp, vf->index)->msg->req.set_q_filters;
+
+ /* check for any mac/vlan changes */
+ if (msg->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) {
+ /* build mac list */
+ struct bnx2x_vf_mac_vlan_filters *fl = NULL;
+
+ rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl,
+ VFPF_MAC_FILTER);
+ if (rc)
+ goto op_err;
+
+ if (fl) {
+
+ /* set mac list */
+ rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl,
+ msg->vf_qid,
+ false);
+ if (rc)
+ goto op_err;
+ }
+
+ /* build vlan list */
+ fl = NULL;
+
+ rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl,
+ VFPF_VLAN_FILTER);
+ if (rc)
+ goto op_err;
+
+ if (fl) {
+ /* set vlan list */
+ rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl,
+ msg->vf_qid,
+ false);
+ if (rc)
+ goto op_err;
+ }
+ }
+
+ if (msg->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) {
+ unsigned long accept = 0;
+ struct pf_vf_bulletin_content *bulletin =
+ BP_VF_BULLETIN(bp, vf->index);
+
+ /* Ignore VF requested mode; instead set a regular mode */
+ if (msg->rx_mask != VFPF_RX_MASK_ACCEPT_NONE) {
+ __set_bit(BNX2X_ACCEPT_UNICAST, &accept);
+ __set_bit(BNX2X_ACCEPT_MULTICAST, &accept);
+ __set_bit(BNX2X_ACCEPT_BROADCAST, &accept);
+ }
+
+ /* A packet arriving the vf's mac should be accepted
+ * with any vlan, unless a vlan has already been
+ * configured.
+ */
+ if (!(bulletin->valid_bitmap & (1 << VLAN_VALID)))
+ __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept);
+
+ /* set rx-mode */
+ rc = bnx2x_vf_rxmode(bp, vf, msg->vf_qid, accept);
+ if (rc)
+ goto op_err;
+ }
+
+ if (msg->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) {
+ /* set mcasts */
+ rc = bnx2x_vf_mcast(bp, vf, msg->multicast,
+ msg->n_multicast, false);
+ if (rc)
+ goto op_err;
+ }
+op_err:
+ if (rc)
+ BNX2X_ERR("QFILTERS[%d:%d] error: rc %d\n",
+ vf->abs_vfid, msg->vf_qid, rc);
+ return rc;
+}
+
+static int bnx2x_filters_validate_mac(struct bnx2x *bp,
+ struct bnx2x_virtf *vf,
+ struct vfpf_set_q_filters_tlv *filters)
+{
+ struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index);
+ int rc = 0;
+
+ /* if a mac was already set for this VF via the set vf mac ndo, we only
+ * accept mac configurations of that mac. Why accept them at all?
+ * because PF may have been unable to configure the mac at the time
+ * since queue was not set up.
+ */
+ if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) {
+ /* once a mac was set by ndo can only accept a single mac... */
+ if (filters->n_mac_vlan_filters > 1) {
+ BNX2X_ERR("VF[%d] requested the addition of multiple macs after set_vf_mac ndo was called\n",
+ vf->abs_vfid);
+ rc = -EPERM;
+ goto response;
+ }
+
+ /* ...and only the mac set by the ndo */
+ if (filters->n_mac_vlan_filters == 1 &&
+ !ether_addr_equal(filters->filters->mac, bulletin->mac)) {
+ BNX2X_ERR("VF[%d] requested the addition of a mac address not matching the one configured by set_vf_mac ndo\n",
+ vf->abs_vfid);
+
+ rc = -EPERM;
+ goto response;
+ }
+ }
+
+response:
+ return rc;
+}
+
+static int bnx2x_filters_validate_vlan(struct bnx2x *bp,
+ struct bnx2x_virtf *vf,
+ struct vfpf_set_q_filters_tlv *filters)
+{
+ struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index);
+ int rc = 0;
+
+ /* if vlan was set by hypervisor we don't allow guest to config vlan */
+ if (bulletin->valid_bitmap & 1 << VLAN_VALID) {
+ int i;
+
+ /* search for vlan filters */
+ for (i = 0; i < filters->n_mac_vlan_filters; i++) {
+ if (filters->filters[i].flags &
+ VFPF_Q_FILTER_VLAN_TAG_VALID) {
+ BNX2X_ERR("VF[%d] attempted to configure vlan but one was already set by Hypervisor. Aborting request\n",
+ vf->abs_vfid);
+ rc = -EPERM;
+ goto response;
+ }
+ }
+ }
+
+ /* verify vf_qid */
+ if (filters->vf_qid > vf_rxq_count(vf)) {
+ rc = -EPERM;
+ goto response;
+ }
+
+response:
+ return rc;
+}
+
+static void bnx2x_vf_mbx_set_q_filters(struct bnx2x *bp,
+ struct bnx2x_virtf *vf,
+ struct bnx2x_vf_mbx *mbx)
+{
+ struct vfpf_set_q_filters_tlv *filters = &mbx->msg->req.set_q_filters;
+ int rc;
+
+ rc = bnx2x_filters_validate_mac(bp, vf, filters);
+ if (rc)
+ goto response;
+
+ rc = bnx2x_filters_validate_vlan(bp, vf, filters);
+ if (rc)
+ goto response;
+
+ DP(BNX2X_MSG_IOV, "VF[%d] Q_FILTERS: queue[%d]\n",
+ vf->abs_vfid,
+ filters->vf_qid);
+
+ /* print q_filter message */
+ bnx2x_vf_mbx_dp_q_filters(bp, BNX2X_MSG_IOV, filters);
+
+ rc = bnx2x_vf_mbx_qfilters(bp, vf);
+response:
+ bnx2x_vf_mbx_resp(bp, vf, rc);
+}
+
+static void bnx2x_vf_mbx_teardown_q(struct bnx2x *bp, struct bnx2x_virtf *vf,
+ struct bnx2x_vf_mbx *mbx)
+{
+ int qid = mbx->msg->req.q_op.vf_qid;
+ int rc;
+
+ DP(BNX2X_MSG_IOV, "VF[%d] Q_TEARDOWN: vf_qid=%d\n",
+ vf->abs_vfid, qid);
+
+ rc = bnx2x_vf_queue_teardown(bp, vf, qid);
+ bnx2x_vf_mbx_resp(bp, vf, rc);
+}
+
+static void bnx2x_vf_mbx_close_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,
+ struct bnx2x_vf_mbx *mbx)
+{
+ int rc;
+
+ DP(BNX2X_MSG_IOV, "VF[%d] VF_CLOSE\n", vf->abs_vfid);
+
+ rc = bnx2x_vf_close(bp, vf);
+ bnx2x_vf_mbx_resp(bp, vf, rc);
+}
+
+static void bnx2x_vf_mbx_release_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,
+ struct bnx2x_vf_mbx *mbx)
+{
+ int rc;
+
+ DP(BNX2X_MSG_IOV, "VF[%d] VF_RELEASE\n", vf->abs_vfid);
+
+ rc = bnx2x_vf_free(bp, vf);
+ bnx2x_vf_mbx_resp(bp, vf, rc);
+}
+
+static void bnx2x_vf_mbx_update_rss(struct bnx2x *bp, struct bnx2x_virtf *vf,
+ struct bnx2x_vf_mbx *mbx)
+{
+ struct bnx2x_config_rss_params rss;
+ struct vfpf_rss_tlv *rss_tlv = &mbx->msg->req.update_rss;
+ int rc = 0;
+
+ if (rss_tlv->ind_table_size != T_ETH_INDIRECTION_TABLE_SIZE ||
+ rss_tlv->rss_key_size != T_ETH_RSS_KEY) {
+ BNX2X_ERR("failing rss configuration of vf %d due to size mismatch\n",
+ vf->index);
+ rc = -EINVAL;
+ goto mbx_resp;
+ }
+
+ memset(&rss, 0, sizeof(struct bnx2x_config_rss_params));
+
+ /* set vfop params according to rss tlv */
+ memcpy(rss.ind_table, rss_tlv->ind_table,
+ T_ETH_INDIRECTION_TABLE_SIZE);
+ memcpy(rss.rss_key, rss_tlv->rss_key, sizeof(rss_tlv->rss_key));
+ rss.rss_obj = &vf->rss_conf_obj;
+ rss.rss_result_mask = rss_tlv->rss_result_mask;
+
+ /* flags handled individually for backward/forward compatibility */
+ rss.rss_flags = 0;
+ rss.ramrod_flags = 0;
+
+ if (rss_tlv->rss_flags & VFPF_RSS_MODE_DISABLED)
+ __set_bit(BNX2X_RSS_MODE_DISABLED, &rss.rss_flags);
+ if (rss_tlv->rss_flags & VFPF_RSS_MODE_REGULAR)
+ __set_bit(BNX2X_RSS_MODE_REGULAR, &rss.rss_flags);
+ if (rss_tlv->rss_flags & VFPF_RSS_SET_SRCH)
+ __set_bit(BNX2X_RSS_SET_SRCH, &rss.rss_flags);
+ if (rss_tlv->rss_flags & VFPF_RSS_IPV4)
+ __set_bit(BNX2X_RSS_IPV4, &rss.rss_flags);
+ if (rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP)
+ __set_bit(BNX2X_RSS_IPV4_TCP, &rss.rss_flags);
+ if (rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP)
+ __set_bit(BNX2X_RSS_IPV4_UDP, &rss.rss_flags);
+ if (rss_tlv->rss_flags & VFPF_RSS_IPV6)
+ __set_bit(BNX2X_RSS_IPV6, &rss.rss_flags);
+ if (rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP)
+ __set_bit(BNX2X_RSS_IPV6_TCP, &rss.rss_flags);
+ if (rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP)
+ __set_bit(BNX2X_RSS_IPV6_UDP, &rss.rss_flags);
+
+ if ((!(rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) &&
+ rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) ||
+ (!(rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) &&
+ rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP)) {
+ BNX2X_ERR("about to hit a FW assert. aborting...\n");
+ rc = -EINVAL;
+ goto mbx_resp;
+ }
+
+ rc = bnx2x_vf_rss_update(bp, vf, &rss);
+mbx_resp:
+ bnx2x_vf_mbx_resp(bp, vf, rc);
+}
+
+static int bnx2x_validate_tpa_params(struct bnx2x *bp,
+ struct vfpf_tpa_tlv *tpa_tlv)
+{
+ int rc = 0;
+
+ if (tpa_tlv->tpa_client_info.max_sges_for_packet >
+ U_ETH_MAX_SGES_FOR_PACKET) {
+ rc = -EINVAL;
+ BNX2X_ERR("TPA update: max_sges received %d, max is %d\n",
+ tpa_tlv->tpa_client_info.max_sges_for_packet,
+ U_ETH_MAX_SGES_FOR_PACKET);
+ }
+
+ if (tpa_tlv->tpa_client_info.max_tpa_queues > MAX_AGG_QS(bp)) {
+ rc = -EINVAL;
+ BNX2X_ERR("TPA update: max_tpa_queues received %d, max is %d\n",
+ tpa_tlv->tpa_client_info.max_tpa_queues,
+ MAX_AGG_QS(bp));
+ }
+
+ return rc;
+}
+
+static void bnx2x_vf_mbx_update_tpa(struct bnx2x *bp, struct bnx2x_virtf *vf,
+ struct bnx2x_vf_mbx *mbx)
+{
+ struct bnx2x_queue_update_tpa_params vf_op_params;
+ struct vfpf_tpa_tlv *tpa_tlv = &mbx->msg->req.update_tpa;
+ int rc = 0;
+
+ memset(&vf_op_params, 0, sizeof(vf_op_params));
+
+ if (bnx2x_validate_tpa_params(bp, tpa_tlv))
+ goto mbx_resp;
+
+ vf_op_params.complete_on_both_clients =
+ tpa_tlv->tpa_client_info.complete_on_both_clients;
+ vf_op_params.dont_verify_thr =
+ tpa_tlv->tpa_client_info.dont_verify_thr;
+ vf_op_params.max_agg_sz =
+ tpa_tlv->tpa_client_info.max_agg_size;
+ vf_op_params.max_sges_pkt =
+ tpa_tlv->tpa_client_info.max_sges_for_packet;
+ vf_op_params.max_tpa_queues =
+ tpa_tlv->tpa_client_info.max_tpa_queues;
+ vf_op_params.sge_buff_sz =
+ tpa_tlv->tpa_client_info.sge_buff_size;
+ vf_op_params.sge_pause_thr_high =
+ tpa_tlv->tpa_client_info.sge_pause_thr_high;
+ vf_op_params.sge_pause_thr_low =
+ tpa_tlv->tpa_client_info.sge_pause_thr_low;
+ vf_op_params.tpa_mode =
+ tpa_tlv->tpa_client_info.tpa_mode;
+ vf_op_params.update_ipv4 =
+ tpa_tlv->tpa_client_info.update_ipv4;
+ vf_op_params.update_ipv6 =
+ tpa_tlv->tpa_client_info.update_ipv6;
+
+ rc = bnx2x_vf_tpa_update(bp, vf, tpa_tlv, &vf_op_params);
+
+mbx_resp:
+ bnx2x_vf_mbx_resp(bp, vf, rc);
+}
+
+/* dispatch request */
+static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf,
+ struct bnx2x_vf_mbx *mbx)
+{
+ int i;
+
+ /* check if tlv type is known */
+ if (bnx2x_tlv_supported(mbx->first_tlv.tl.type)) {
+ /* Lock the per vf op mutex and note the locker's identity.
+ * The unlock will take place in mbx response.
+ */
+ bnx2x_lock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);
+
+ /* switch on the opcode */
+ switch (mbx->first_tlv.tl.type) {
+ case CHANNEL_TLV_ACQUIRE:
+ bnx2x_vf_mbx_acquire(bp, vf, mbx);
+ return;
+ case CHANNEL_TLV_INIT:
+ bnx2x_vf_mbx_init_vf(bp, vf, mbx);
+ return;
+ case CHANNEL_TLV_SETUP_Q:
+ bnx2x_vf_mbx_setup_q(bp, vf, mbx);
+ return;
+ case CHANNEL_TLV_SET_Q_FILTERS:
+ bnx2x_vf_mbx_set_q_filters(bp, vf, mbx);
+ return;
+ case CHANNEL_TLV_TEARDOWN_Q:
+ bnx2x_vf_mbx_teardown_q(bp, vf, mbx);
+ return;
+ case CHANNEL_TLV_CLOSE:
+ bnx2x_vf_mbx_close_vf(bp, vf, mbx);
+ return;
+ case CHANNEL_TLV_RELEASE:
+ bnx2x_vf_mbx_release_vf(bp, vf, mbx);
+ return;
+ case CHANNEL_TLV_UPDATE_RSS:
+ bnx2x_vf_mbx_update_rss(bp, vf, mbx);
+ return;
+ case CHANNEL_TLV_UPDATE_TPA:
+ bnx2x_vf_mbx_update_tpa(bp, vf, mbx);
+ return;
+ }
+
+ } else {
+ /* unknown TLV - this may belong to a VF driver from the future
+ * - a version written after this PF driver was written, which
+ * supports features unknown as of yet. Too bad since we don't
+ * support them. Or this may be because someone wrote a crappy
+ * VF driver and is sending garbage over the channel.
+ */
+ BNX2X_ERR("unknown TLV. type %d length %d vf->state was %d. first 20 bytes of mailbox buffer:\n",
+ mbx->first_tlv.tl.type, mbx->first_tlv.tl.length,
+ vf->state);
+ for (i = 0; i < 20; i++)
+ DP_CONT(BNX2X_MSG_IOV, "%x ",
+ mbx->msg->req.tlv_buf_size.tlv_buffer[i]);
+ }
+
+ /* can we respond to VF (do we have an address for it?) */
+ if (vf->state == VF_ACQUIRED || vf->state == VF_ENABLED) {
+ /* notify the VF that we do not support this request */
+ bnx2x_vf_mbx_resp(bp, vf, PFVF_STATUS_NOT_SUPPORTED);
+ } else {
+ /* can't send a response since this VF is unknown to us
+ * just ack the FW to release the mailbox and unlock
+ * the channel.
+ */
+ storm_memset_vf_mbx_ack(bp, vf->abs_vfid);
+ /* Firmware ack should be written before unlocking channel */
+ mmiowb();
+ bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);
+ }
+}
+
+void bnx2x_vf_mbx_schedule(struct bnx2x *bp,
+ struct vf_pf_event_data *vfpf_event)
+{
+ u8 vf_idx;
+
+ DP(BNX2X_MSG_IOV,
+ "vf pf event received: vfid %d, address_hi %x, address lo %x",
+ vfpf_event->vf_id, vfpf_event->msg_addr_hi, vfpf_event->msg_addr_lo);
+ /* Sanity checks consider removing later */
+
+ /* check if the vf_id is valid */
+ if (vfpf_event->vf_id - BP_VFDB(bp)->sriov.first_vf_in_pf >
+ BNX2X_NR_VIRTFN(bp)) {
+ BNX2X_ERR("Illegal vf_id %d max allowed: %d\n",
+ vfpf_event->vf_id, BNX2X_NR_VIRTFN(bp));
+ return;
+ }
+
+ vf_idx = bnx2x_vf_idx_by_abs_fid(bp, vfpf_event->vf_id);
+
+ /* Update VFDB with current message and schedule its handling */
+ mutex_lock(&BP_VFDB(bp)->event_mutex);
+ BP_VF_MBX(bp, vf_idx)->vf_addr_hi = vfpf_event->msg_addr_hi;
+ BP_VF_MBX(bp, vf_idx)->vf_addr_lo = vfpf_event->msg_addr_lo;
+ BP_VFDB(bp)->event_occur |= (1ULL << vf_idx);
+ mutex_unlock(&BP_VFDB(bp)->event_mutex);
+
+ bnx2x_schedule_iov_task(bp, BNX2X_IOV_HANDLE_VF_MSG);
+}
+
+/* handle new vf-pf messages */
+void bnx2x_vf_mbx(struct bnx2x *bp)
+{
+ struct bnx2x_vfdb *vfdb = BP_VFDB(bp);
+ u64 events;
+ u8 vf_idx;
+ int rc;
+
+ if (!vfdb)
+ return;
+
+ mutex_lock(&vfdb->event_mutex);
+ events = vfdb->event_occur;
+ vfdb->event_occur = 0;
+ mutex_unlock(&vfdb->event_mutex);
+
+ for_each_vf(bp, vf_idx) {
+ struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf_idx);
+ struct bnx2x_virtf *vf = BP_VF(bp, vf_idx);
+
+ /* Handle VFs which have pending events */
+ if (!(events & (1ULL << vf_idx)))
+ continue;
+
+ DP(BNX2X_MSG_IOV,
+ "Handling vf pf event vfid %d, address: [%x:%x], resp_offset 0x%x\n",
+ vf_idx, mbx->vf_addr_hi, mbx->vf_addr_lo,
+ mbx->first_tlv.resp_msg_offset);
+
+ /* dmae to get the VF request */
+ rc = bnx2x_copy32_vf_dmae(bp, true, mbx->msg_mapping,
+ vf->abs_vfid, mbx->vf_addr_hi,
+ mbx->vf_addr_lo,
+ sizeof(union vfpf_tlvs)/4);
+ if (rc) {
+ BNX2X_ERR("Failed to copy request VF %d\n",
+ vf->abs_vfid);
+ bnx2x_vf_release(bp, vf);
+ return;
+ }
+
+ /* process the VF message header */
+ mbx->first_tlv = mbx->msg->req.first_tlv;
+
+ /* Clean response buffer to refrain from falsely
+ * seeing chains.
+ */
+ memset(&mbx->msg->resp, 0, sizeof(union pfvf_tlvs));
+
+ /* dispatch the request (will prepare the response) */
+ bnx2x_vf_mbx_request(bp, vf, mbx);
+ }
+}
+
+void bnx2x_vf_bulletin_finalize(struct pf_vf_bulletin_content *bulletin,
+ bool support_long)
+{
+ /* Older VFs contain a bug where they can't check CRC for bulletin
+ * boards of length greater than legacy size.
+ */
+ bulletin->length = support_long ? BULLETIN_CONTENT_SIZE :
+ BULLETIN_CONTENT_LEGACY_SIZE;
+ bulletin->crc = bnx2x_crc_vf_bulletin(bulletin);
+}
+
+/* propagate local bulletin board to vf */
+int bnx2x_post_vf_bulletin(struct bnx2x *bp, int vf)
+{
+ struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf);
+ dma_addr_t pf_addr = BP_VF_BULLETIN_DMA(bp)->mapping +
+ vf * BULLETIN_CONTENT_SIZE;
+ dma_addr_t vf_addr = bnx2x_vf(bp, vf, bulletin_map);
+ int rc;
+
+ /* can only update vf after init took place */
+ if (bnx2x_vf(bp, vf, state) != VF_ENABLED &&
+ bnx2x_vf(bp, vf, state) != VF_ACQUIRED)
+ return 0;
+
+ /* increment bulletin board version and compute crc */
+ bulletin->version++;
+ bnx2x_vf_bulletin_finalize(bulletin,
+ (bnx2x_vf(bp, vf, cfg_flags) &
+ VF_CFG_EXT_BULLETIN) ? true : false);
+
+ /* propagate bulletin board via dmae to vm memory */
+ rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr,
+ bnx2x_vf(bp, vf, abs_vfid), U64_HI(vf_addr),
+ U64_LO(vf_addr), bulletin->length / 4);
+ return rc;
+}
Code Review / kvmfornfv.git / blobdiff