aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/qlogic/qed/qed_vf.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_vf.c')
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_vf.c1102
1 files changed, 1102 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_vf.c b/drivers/net/ethernet/qlogic/qed/qed_vf.c
new file mode 100644
index 000000000000..72e69c0ec10d
--- /dev/null
+++ b/drivers/net/ethernet/qlogic/qed/qed_vf.c
@@ -0,0 +1,1102 @@
+/* QLogic qed NIC Driver
+ * Copyright (c) 2015 QLogic Corporation
+ *
+ * This software is available under the terms of the GNU General Public License
+ * (GPL) Version 2, available from the file COPYING in the main directory of
+ * this source tree.
+ */
+
+#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 Requst 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 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 rc = 0, time = 100;
+
+ 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. Poll until then.
+ */
+ while ((!*done) && time) {
+ msleep(25);
+ time--;
+ }
+
+ if (!*done) {
+ DP_VERBOSE(p_hwfn, QED_MSG_IOV,
+ "VF <-- PF Timeout [Type %d]\n",
+ p_req->first_tlv.tl.type);
+ rc = -EBUSY;
+ goto exit;
+ } else {
+ DP_VERBOSE(p_hwfn, QED_MSG_IOV,
+ "PF response: %d [Type %d]\n",
+ *done, p_req->first_tlv.tl.type);
+ }
+
+exit:
+ mutex_unlock(&(p_hwfn->vf_iov_info->mutex));
+
+ return rc;
+}
+
+#define VF_ACQUIRE_THRESH 3
+#define VF_ACQUIRE_MAC_FILTERS 1
+
+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;
+ u8 rx_count = 1, tx_count = 1, num_sbs = 1;
+ u8 num_mac = VF_ACQUIRE_MAC_FILTERS;
+ 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));
+
+ /* starting filling the request */
+ req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid;
+
+ req->resc_request.num_rxqs = rx_count;
+ req->resc_request.num_txqs = tx_count;
+ req->resc_request.num_sbs = num_sbs;
+ req->resc_request.num_mac_filters = num_mac;
+ req->resc_request.num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
+
+ 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;
+
+ /* Fill capability field with any non-deprecated config we support */
+ req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G;
+
+ /* 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");
+
+ /* send acquire request */
+ rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
+ if (rc)
+ return rc;
+
+ /* 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)) {
+ DP_INFO(p_hwfn,
+ "PF is using old incompatible driver; Either downgrade driver or request provider to update hypervisor version\n");
+ return -EINVAL;
+ }
+ 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) {
+ DP_VERBOSE(p_hwfn,
+ QED_MSG_IOV,
+ "PF unwilling to fullfill resource request. Try PF recommended amount\n");
+
+ /* humble our request */
+ req->resc_request.num_txqs = resp->resc.num_txqs;
+ req->resc_request.num_rxqs = resp->resc.num_rxqs;
+ req->resc_request.num_sbs = resp->resc.num_sbs;
+ req->resc_request.num_mac_filters =
+ resp->resc.num_mac_filters;
+ req->resc_request.num_vlan_filters =
+ resp->resc.num_vlan_filters;
+
+ /* Clear response buffer */
+ memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
+ } else {
+ DP_ERR(p_hwfn,
+ "PF returned error %d to VF acquisition request\n",
+ resp->hdr.status);
+ return -EAGAIN;
+ }
+ }
+
+ /* 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;
+ }
+ }
+
+ return 0;
+}
+
+int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
+{
+ struct qed_vf_iov *p_iov;
+ u32 reg;
+
+ /* Set number of hwfns - might be overriden once leading hwfn learns
+ * actual configuration from PF.
+ */
+ if (IS_LEAD_HWFN(p_hwfn))
+ p_hwfn->cdev->num_hwfns = 1;
+
+ /* Set the doorbell bar. Assumption: regview is set */
+ p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
+ PXP_VF_BAR0_START_DQ;
+
+ 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) {
+ DP_NOTICE(p_hwfn, "Failed to allocate `struct qed_sriov'\n");
+ return -ENOMEM;
+ }
+
+ /* 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) {
+ DP_NOTICE(p_hwfn,
+ "Failed to allocate `vf2pf_request' DMA memory\n");
+ 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) {
+ DP_NOTICE(p_hwfn,
+ "Failed to allocate `pf2vf_reply' DMA memory\n");
+ 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);
+ 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;
+
+ return qed_vf_pf_acquire(p_hwfn);
+
+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;
+}
+
+int qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
+ u8 rx_qid,
+ u16 sb,
+ u8 sb_index,
+ 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;
+ 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 = sb;
+ req->sb_index = sb_index;
+ req->bd_max_bytes = bd_max_bytes;
+ req->stat_id = -1;
+
+ /* 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)
+ return rc;
+
+ if (resp->hdr.status != PFVF_STATUS_SUCCESS)
+ return -EINVAL;
+
+ /* Learn the address of the producer from the response */
+ if (pp_prod) {
+ u64 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(u64),
+ (u32 *)&init_prod_val);
+ }
+
+ return rc;
+}
+
+int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn, u16 rx_qid, 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 = rx_qid;
+ req->num_rxqs = 1;
+ req->cqe_completion = cqe_completion;
+
+ /* 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)
+ return rc;
+
+ if (resp->hdr.status != PFVF_STATUS_SUCCESS)
+ return -EINVAL;
+
+ return rc;
+}
+
+int qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
+ u16 tx_queue_id,
+ u16 sb,
+ u8 sb_index,
+ dma_addr_t pbl_addr,
+ u16 pbl_size, void __iomem **pp_doorbell)
+{
+ struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
+ struct vfpf_start_txq_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_START_TXQ, sizeof(*req));
+
+ req->tx_qid = tx_queue_id;
+
+ /* Tx */
+ req->pbl_addr = pbl_addr;
+ req->pbl_size = pbl_size;
+ req->hw_sb = sb;
+ req->sb_index = sb_index;
+
+ /* 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)
+ return rc;
+
+ if (resp->hdr.status != PFVF_STATUS_SUCCESS)
+ return -EINVAL;
+
+ if (pp_doorbell) {
+ u8 cid = p_iov->acquire_resp.resc.cid[tx_queue_id];
+
+ *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells +
+ qed_db_addr(cid, DQ_DEMS_LEGACY);
+ }
+
+ return rc;
+}
+
+int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, u16 tx_qid)
+{
+ 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 = tx_qid;
+ req->num_txqs = 1;
+
+ /* 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)
+ return rc;
+
+ if (resp->hdr.status != PFVF_STATUS_SUCCESS)
+ return -EINVAL;
+
+ 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++)
+ if (p_hwfn->sbs_info[i])
+ req->sb_addr[i] = p_hwfn->sbs_info[i]->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)
+ return rc;
+
+ if (resp->hdr.status != PFVF_STATUS_SUCCESS)
+ return -EINVAL;
+
+ 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)
+ return rc;
+
+ if (resp->hdr.status != PFVF_STATUS_SUCCESS)
+ return -EINVAL;
+
+ 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(unsigned long) * 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;
+
+ 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;
+ memcpy(p_rss_tlv->rss_ind_table, rss_params->rss_ind_table,
+ sizeof(rss_params->rss_ind_table));
+ 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)
+ return rc;
+
+ if (resp->hdr.status != PFVF_STATUS_SUCCESS)
+ return -EINVAL;
+
+ qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params);
+
+ 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)
+ return rc;
+
+ if (resp->hdr.status != PFVF_STATUS_SUCCESS)
+ return -EAGAIN;
+
+ p_hwfn->b_int_enabled = 0;
+
+ return 0;
+}
+
+int qed_vf_pf_release(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;
+ 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;
+
+ 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;
+}
+
+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]);
+ __set_bit(bit, sp_params.bins);
+ }
+ }
+
+ 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)
+ return rc;
+
+ if (resp->hdr.status != PFVF_STATUS_SUCCESS)
+ return -EAGAIN;
+
+ return 0;
+}
+
+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)
+ return rc;
+
+ if (resp->hdr.status != PFVF_STATUS_SUCCESS)
+ return -EINVAL;
+
+ return 0;
+}
+
+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;
+}
+
+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_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;
+}
+
+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;
+}
+
+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;
+}
+
+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;
+
+ is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac,
+ &is_mac_forced);
+ if (is_mac_exist && is_mac_forced && cookie)
+ ops->force_mac(cookie, mac);
+
+ /* Always update link configuration according to bulletin */
+ qed_link_update(hwfn);
+}
+
+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 (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);
+}