X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fbnxt%2Fbnxt_cpr.c;h=2c7fd78c3db416f482e8b4f68fbeb6d61e44dca2;hb=20339b09cf71bc195dc6cf3facacbc5548505fd5;hp=7b4f9a14b05c9cf625fc6302150eee773e94fe26;hpb=704d430ccc7327a57384eb4fb09d3d7f54275d9e;p=dpdk.git

diff --git a/drivers/net/bnxt/bnxt_cpr.c b/drivers/net/bnxt/bnxt_cpr.c
index 7b4f9a14b0..2c7fd78c3d 100644
--- a/drivers/net/bnxt/bnxt_cpr.c
+++ b/drivers/net/bnxt/bnxt_cpr.c
@@ -1,16 +1,96 @@
 /* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2014-2018 Broadcom
+ * Copyright(c) 2014-2021 Broadcom
  * All rights reserved.
  */
 
 #include <rte_malloc.h>
+#include <rte_alarm.h>
+#include <rte_cycles.h>
 
 #include "bnxt.h"
-#include "bnxt_cpr.h"
 #include "bnxt_hwrm.h"
 #include "bnxt_ring.h"
 #include "hsi_struct_def_dpdk.h"
 
+void bnxt_wait_for_device_shutdown(struct bnxt *bp)
+{
+	uint32_t val, timeout;
+
+	/* if HWRM_FUNC_QCAPS_OUTPUT_FLAGS_ERR_RECOVER_RELOAD is set
+	 * in HWRM_FUNC_QCAPS command, wait for FW_STATUS to set
+	 * the SHUTDOWN bit in health register
+	 */
+	if (!(bp->recovery_info &&
+	      (bp->fw_cap & BNXT_FW_CAP_ERR_RECOVER_RELOAD)))
+		return;
+
+	/* Driver has to wait for fw_reset_max_msecs or shutdown bit which comes
+	 * first for FW to collect crash dump.
+	 */
+	timeout = bp->fw_reset_max_msecs;
+
+	/* Driver has to poll for shutdown bit in fw_status register
+	 *
+	 * 1. in case of hot fw upgrade, this bit will be set after all
+	 *    function drivers unregistered with fw.
+	 * 2. in case of fw initiated error recovery, this bit will be
+	 *    set after fw has collected the core dump
+	 */
+	do {
+		val = bnxt_read_fw_status_reg(bp, BNXT_FW_STATUS_REG);
+		if (val & BNXT_FW_STATUS_SHUTDOWN)
+			return;
+
+		rte_delay_ms(100);
+		timeout -= 100;
+	} while (timeout);
+}
+
+static void
+bnxt_process_default_vnic_change(struct bnxt *bp,
+				 struct hwrm_async_event_cmpl *async_cmp)
+{
+	uint16_t vnic_state, vf_fid, vf_id;
+	struct bnxt_representor *vf_rep_bp;
+	struct rte_eth_dev *eth_dev;
+	bool vfr_found = false;
+	uint32_t event_data;
+
+	if (!BNXT_TRUFLOW_EN(bp))
+		return;
+
+	PMD_DRV_LOG(INFO, "Default vnic change async event received\n");
+	event_data = rte_le_to_cpu_32(async_cmp->event_data1);
+
+	vnic_state = (event_data & BNXT_DEFAULT_VNIC_STATE_MASK) >>
+			BNXT_DEFAULT_VNIC_STATE_SFT;
+	if (vnic_state != BNXT_DEFAULT_VNIC_ALLOC)
+		return;
+
+	if (!bp->rep_info)
+		return;
+
+	vf_fid = (event_data & BNXT_DEFAULT_VNIC_CHANGE_VF_ID_MASK) >>
+			BNXT_DEFAULT_VNIC_CHANGE_VF_ID_SFT;
+	PMD_DRV_LOG(INFO, "async event received vf_id 0x%x\n", vf_fid);
+
+	for (vf_id = 0; vf_id < BNXT_MAX_VF_REPS; vf_id++) {
+		eth_dev = bp->rep_info[vf_id].vfr_eth_dev;
+		if (!eth_dev)
+			continue;
+		vf_rep_bp = eth_dev->data->dev_private;
+		if (vf_rep_bp &&
+		    vf_rep_bp->fw_fid == vf_fid) {
+			vfr_found = true;
+			break;
+		}
+	}
+	if (!vfr_found)
+		return;
+
+	bnxt_rep_dev_start_op(eth_dev);
+}
+
 /*
  * Async event handling
  */
@@ -20,27 +100,123 @@ void bnxt_handle_async_event(struct bnxt *bp,
 	struct hwrm_async_event_cmpl *async_cmp =
 				(struct hwrm_async_event_cmpl *)cmp;
 	uint16_t event_id = rte_le_to_cpu_16(async_cmp->event_id);
+	uint16_t port_id = bp->eth_dev->data->port_id;
+	struct bnxt_error_recovery_info *info;
+	uint32_t event_data;
+	uint32_t echo_req_data1, echo_req_data2;
 
-	/* TODO: HWRM async events are not defined yet */
-	/* Needs to handle: link events, error events, etc. */
 	switch (event_id) {
 	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE:
 	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CHANGE:
 	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE:
 		/* FALLTHROUGH */
-		bnxt_link_update_op(bp->eth_dev, 1);
+		bnxt_link_update_op(bp->eth_dev, 0);
 		break;
 	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD:
 		PMD_DRV_LOG(INFO, "Async event: PF driver unloaded\n");
 		break;
 	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE:
 		PMD_DRV_LOG(INFO, "Async event: VF config changed\n");
+		bnxt_hwrm_func_qcfg(bp, NULL);
 		break;
 	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED:
 		PMD_DRV_LOG(INFO, "Port conn async event\n");
 		break;
+	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_RESET_NOTIFY:
+		/*
+		 * Avoid any rx/tx packet processing during firmware reset
+		 * operation.
+		 */
+		bnxt_stop_rxtx(bp);
+
+		/* Ignore reset notify async events when stopping the port */
+		if (!bp->eth_dev->data->dev_started) {
+			bp->flags |= BNXT_FLAG_FATAL_ERROR;
+			return;
+		}
+
+		pthread_mutex_lock(&bp->err_recovery_lock);
+		event_data = rte_le_to_cpu_32(async_cmp->event_data1);
+		/* timestamp_lo/hi values are in units of 100ms */
+		bp->fw_reset_max_msecs = async_cmp->timestamp_hi ?
+			rte_le_to_cpu_16(async_cmp->timestamp_hi) * 100 :
+			BNXT_MAX_FW_RESET_TIMEOUT;
+		bp->fw_reset_min_msecs = async_cmp->timestamp_lo ?
+			async_cmp->timestamp_lo * 100 :
+			BNXT_MIN_FW_READY_TIMEOUT;
+		if ((event_data & EVENT_DATA1_REASON_CODE_MASK) ==
+		    EVENT_DATA1_REASON_CODE_FW_EXCEPTION_FATAL) {
+			PMD_DRV_LOG(INFO,
+				    "Port %u: Firmware fatal reset event received\n",
+				    port_id);
+			bp->flags |= BNXT_FLAG_FATAL_ERROR;
+		} else {
+			PMD_DRV_LOG(INFO,
+				    "Port %u: Firmware non-fatal reset event received\n",
+				    port_id);
+		}
+
+		bp->flags |= BNXT_FLAG_FW_RESET;
+		pthread_mutex_unlock(&bp->err_recovery_lock);
+		rte_eal_alarm_set(US_PER_MS, bnxt_dev_reset_and_resume,
+				  (void *)bp);
+		break;
+	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_ERROR_RECOVERY:
+		info = bp->recovery_info;
+
+		if (!info)
+			return;
+
+		PMD_DRV_LOG(INFO, "Port %u: Error recovery async event received\n",
+			    port_id);
+
+		event_data = rte_le_to_cpu_32(async_cmp->event_data1) &
+				EVENT_DATA1_FLAGS_MASK;
+
+		if (event_data & EVENT_DATA1_FLAGS_MASTER_FUNC)
+			info->flags |= BNXT_FLAG_MASTER_FUNC;
+		else
+			info->flags &= ~BNXT_FLAG_MASTER_FUNC;
+
+		if (event_data & EVENT_DATA1_FLAGS_RECOVERY_ENABLED)
+			info->flags |= BNXT_FLAG_RECOVERY_ENABLED;
+		else
+			info->flags &= ~BNXT_FLAG_RECOVERY_ENABLED;
+
+		PMD_DRV_LOG(INFO, "Port %u: recovery enabled(%d), master function(%d)\n",
+			    port_id, bnxt_is_recovery_enabled(bp),
+			    bnxt_is_master_func(bp));
+
+		if (bp->flags & BNXT_FLAG_FW_HEALTH_CHECK_SCHEDULED)
+			return;
+
+		info->last_heart_beat =
+			bnxt_read_fw_status_reg(bp, BNXT_FW_HEARTBEAT_CNT_REG);
+		info->last_reset_counter =
+			bnxt_read_fw_status_reg(bp, BNXT_FW_RECOVERY_CNT_REG);
+
+		bnxt_schedule_fw_health_check(bp);
+		break;
+	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_DEBUG_NOTIFICATION:
+		PMD_DRV_LOG(INFO, "DNC event: evt_data1 %#x evt_data2 %#x\n",
+			    rte_le_to_cpu_32(async_cmp->event_data1),
+			    rte_le_to_cpu_32(async_cmp->event_data2));
+		break;
+	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_DEFAULT_VNIC_CHANGE:
+		bnxt_process_default_vnic_change(bp, async_cmp);
+		break;
+	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_ECHO_REQUEST:
+		echo_req_data1 = rte_le_to_cpu_32(async_cmp->event_data1);
+		echo_req_data2 = rte_le_to_cpu_32(async_cmp->event_data2);
+		PMD_DRV_LOG(INFO,
+			    "Port %u: Received fw echo request: data1 %#x data2 %#x\n",
+			    port_id, echo_req_data1, echo_req_data2);
+		if (bp->recovery_info)
+			bnxt_hwrm_fw_echo_reply(bp, echo_req_data1,
+						echo_req_data2);
+		break;
 	default:
-		PMD_DRV_LOG(INFO, "handle_async_event id = 0x%x\n", event_id);
+		PMD_DRV_LOG(DEBUG, "handle_async_event id = 0x%x\n", event_id);
 		break;
 	}
 }
@@ -55,14 +231,14 @@ void bnxt_handle_fwd_req(struct bnxt *bp, struct cmpl_base *cmpl)
 	uint16_t req_len;
 	int rc;
 
-	if (bp->pf.active_vfs <= 0) {
+	if (bp->pf->active_vfs <= 0) {
 		PMD_DRV_LOG(ERR, "Forwarded VF with no active VFs\n");
 		return;
 	}
 
 	/* Qualify the fwd request */
 	fw_vf_id = rte_le_to_cpu_16(fwd_cmpl->source_id);
-	vf_id = fw_vf_id - bp->pf.first_vf_id;
+	vf_id = fw_vf_id - bp->pf->first_vf_id;
 
 	req_len = (rte_le_to_cpu_16(fwd_cmpl->req_len_type) &
 		   HWRM_FWD_REQ_CMPL_REQ_LEN_MASK) >>
@@ -71,19 +247,19 @@ void bnxt_handle_fwd_req(struct bnxt *bp, struct cmpl_base *cmpl)
 		req_len = sizeof(fwreq->encap_request);
 
 	/* Locate VF's forwarded command */
-	fwd_cmd = (struct input *)bp->pf.vf_info[vf_id].req_buf;
+	fwd_cmd = (struct input *)bp->pf->vf_info[vf_id].req_buf;
 
-	if (fw_vf_id < bp->pf.first_vf_id ||
-	    fw_vf_id >= (bp->pf.first_vf_id) + bp->pf.active_vfs) {
+	if (fw_vf_id < bp->pf->first_vf_id ||
+	    fw_vf_id >= bp->pf->first_vf_id + bp->pf->active_vfs) {
 		PMD_DRV_LOG(ERR,
 		"FWD req's source_id 0x%x out of range 0x%x - 0x%x (%d %d)\n",
-			fw_vf_id, bp->pf.first_vf_id,
-			(bp->pf.first_vf_id) + bp->pf.active_vfs - 1,
-			bp->pf.first_vf_id, bp->pf.active_vfs);
+			fw_vf_id, bp->pf->first_vf_id,
+			(bp->pf->first_vf_id) + bp->pf->active_vfs - 1,
+			bp->pf->first_vf_id, bp->pf->active_vfs);
 		goto reject;
 	}
 
-	if (bnxt_rcv_msg_from_vf(bp, vf_id, fwd_cmd) == true) {
+	if (bnxt_rcv_msg_from_vf(bp, vf_id, fwd_cmd)) {
 		/*
 		 * In older firmware versions, the MAC had to be all zeros for
 		 * the VF to set it's MAC via hwrm_func_vf_cfg. Set to all
@@ -98,6 +274,7 @@ void bnxt_handle_fwd_req(struct bnxt *bp, struct cmpl_base *cmpl)
 				(const uint8_t *)"\x00\x00\x00\x00\x00");
 			}
 		}
+
 		if (fwd_cmd->req_type == HWRM_CFA_L2_SET_RX_MASK) {
 			struct hwrm_cfa_l2_set_rx_mask_input *srm =
 							(void *)fwd_cmd;
@@ -109,12 +286,13 @@ void bnxt_handle_fwd_req(struct bnxt *bp, struct cmpl_base *cmpl)
 			    HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_VLAN_NONVLAN |
 			    HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ANYVLAN_NONVLAN);
 		}
+
 		/* Forward */
 		rc = bnxt_hwrm_exec_fwd_resp(bp, fw_vf_id, fwd_cmd, req_len);
 		if (rc) {
 			PMD_DRV_LOG(ERR,
 				"Failed to send FWD req VF 0x%x, type 0x%x.\n",
-				fw_vf_id - bp->pf.first_vf_id,
+				fw_vf_id - bp->pf->first_vf_id,
 				rte_le_to_cpu_16(fwd_cmd->req_type));
 		}
 		return;
@@ -125,76 +303,66 @@ reject:
 	if (rc) {
 		PMD_DRV_LOG(ERR,
 			"Failed to send REJECT req VF 0x%x, type 0x%x.\n",
-			fw_vf_id - bp->pf.first_vf_id,
+			fw_vf_id - bp->pf->first_vf_id,
 			rte_le_to_cpu_16(fwd_cmd->req_type));
 	}
 
 	return;
 }
 
-/* For the default completion ring only */
-int bnxt_alloc_def_cp_ring(struct bnxt *bp)
+int bnxt_event_hwrm_resp_handler(struct bnxt *bp, struct cmpl_base *cmp)
 {
-	struct bnxt_cp_ring_info *cpr = bp->def_cp_ring;
-	struct bnxt_ring *cp_ring = cpr->cp_ring_struct;
-	int rc;
+	bool evt = 0;
+
+	if (bp == NULL || cmp == NULL) {
+		PMD_DRV_LOG(ERR, "invalid NULL argument\n");
+		return evt;
+	}
+
+	if (unlikely(is_bnxt_in_error(bp)))
+		return 0;
 
-	rc = bnxt_hwrm_ring_alloc(bp, cp_ring,
-				  HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
-				  0, HWRM_NA_SIGNATURE,
-				  HWRM_NA_SIGNATURE);
-	if (rc)
-		goto err_out;
-	cpr->cp_doorbell = (char *)bp->doorbell_base;
-	B_CP_DIS_DB(cpr, cpr->cp_raw_cons);
-	if (BNXT_PF(bp))
-		rc = bnxt_hwrm_func_cfg_def_cp(bp);
-	else
-		rc = bnxt_hwrm_vf_func_cfg_def_cp(bp);
-
-err_out:
-	return rc;
+	switch (CMP_TYPE(cmp)) {
+	case CMPL_BASE_TYPE_HWRM_ASYNC_EVENT:
+		/* Handle any async event */
+		bnxt_handle_async_event(bp, cmp);
+		evt = 1;
+		break;
+	case CMPL_BASE_TYPE_HWRM_FWD_REQ:
+		/* Handle HWRM forwarded responses */
+		bnxt_handle_fwd_req(bp, cmp);
+		evt = 1;
+		break;
+	default:
+		/* Ignore any other events */
+		PMD_DRV_LOG(DEBUG, "Ignoring %02x completion\n", CMP_TYPE(cmp));
+		break;
+	}
+
+	return evt;
 }
 
-void bnxt_free_def_cp_ring(struct bnxt *bp)
+bool bnxt_is_master_func(struct bnxt *bp)
 {
-	struct bnxt_cp_ring_info *cpr = bp->def_cp_ring;
+	if (bp->recovery_info->flags & BNXT_FLAG_MASTER_FUNC)
+		return true;
 
-	if (cpr == NULL)
-		return;
+	return false;
+}
+
+bool bnxt_is_recovery_enabled(struct bnxt *bp)
+{
+	struct bnxt_error_recovery_info *info;
+
+	info = bp->recovery_info;
+	if (info && (info->flags & BNXT_FLAG_RECOVERY_ENABLED))
+		return true;
 
-	bnxt_free_ring(cpr->cp_ring_struct);
-	cpr->cp_ring_struct = NULL;
-	rte_free(cpr->cp_ring_struct);
-	rte_free(cpr);
-	bp->def_cp_ring = NULL;
+	return false;
 }
 
-/* For the default completion ring only */
-int bnxt_init_def_ring_struct(struct bnxt *bp, unsigned int socket_id)
+void bnxt_stop_rxtx(struct bnxt *bp)
 {
-	struct bnxt_cp_ring_info *cpr;
-	struct bnxt_ring *ring;
-
-	cpr = rte_zmalloc_socket("cpr",
-				 sizeof(struct bnxt_cp_ring_info),
-				 RTE_CACHE_LINE_SIZE, socket_id);
-	if (cpr == NULL)
-		return -ENOMEM;
-	bp->def_cp_ring = cpr;
-
-	ring = rte_zmalloc_socket("bnxt_cp_ring_struct",
-				  sizeof(struct bnxt_ring),
-				  RTE_CACHE_LINE_SIZE, socket_id);
-	if (ring == NULL)
-		return -ENOMEM;
-	cpr->cp_ring_struct = ring;
-	ring->bd = (void *)cpr->cp_desc_ring;
-	ring->bd_dma = cpr->cp_desc_mapping;
-	ring->ring_size = rte_align32pow2(DEFAULT_CP_RING_SIZE);
-	ring->ring_mask = ring->ring_size - 1;
-	ring->vmem_size = 0;
-	ring->vmem = NULL;
-
-	return 0;
+	bp->eth_dev->rx_pkt_burst = &bnxt_dummy_recv_pkts;
+	bp->eth_dev->tx_pkt_burst = &bnxt_dummy_xmit_pkts;
 }