1 files changed, 345 insertions, 113 deletions

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 1c96b7ba24f2..a680fd9c68ea 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -255,7 +255,9 @@ static const u16 bnxt_async_events_arr[] = {
 	ASYNC_EVENT_CMPL_EVENT_ID_PORT_PHY_CFG_CHANGE,
 	ASYNC_EVENT_CMPL_EVENT_ID_RESET_NOTIFY,
 	ASYNC_EVENT_CMPL_EVENT_ID_ERROR_RECOVERY,
+	ASYNC_EVENT_CMPL_EVENT_ID_DEBUG_NOTIFICATION,
 	ASYNC_EVENT_CMPL_EVENT_ID_RING_MONITOR_MSG,
+	ASYNC_EVENT_CMPL_EVENT_ID_ECHO_REQUEST,
 };
 
 static struct workqueue_struct *bnxt_pf_wq;
@@ -1265,8 +1267,7 @@ static void bnxt_tpa_start(struct bnxt *bp, struct bnxt_rx_ring_info *rxr,
 	} else {
 		tpa_info->hash_type = PKT_HASH_TYPE_NONE;
 		tpa_info->gso_type = 0;
-		if (netif_msg_rx_err(bp))
-			netdev_warn(bp->dev, "TPA packet without valid hash\n");
+		netif_warn(bp, rx_err, bp->dev, "TPA packet without valid hash\n");
 	}
 	tpa_info->flags2 = le32_to_cpu(tpa_start1->rx_tpa_start_cmp_flags2);
 	tpa_info->metadata = le32_to_cpu(tpa_start1->rx_tpa_start_cmp_metadata);
@@ -2021,10 +2022,9 @@ static int bnxt_async_event_process(struct bnxt *bp,
 			goto async_event_process_exit;
 		set_bit(BNXT_RESET_TASK_SILENT_SP_EVENT, &bp->sp_event);
 		break;
-	case ASYNC_EVENT_CMPL_EVENT_ID_RESET_NOTIFY:
-		if (netif_msg_hw(bp))
-			netdev_warn(bp->dev, "Received RESET_NOTIFY event, data1: 0x%x, data2: 0x%x\n",
-				    data1, data2);
+	case ASYNC_EVENT_CMPL_EVENT_ID_RESET_NOTIFY: {
+		char *fatal_str = "non-fatal";
+
 		if (!bp->fw_health)
 			goto async_event_process_exit;
 
@@ -2036,14 +2036,17 @@ static int bnxt_async_event_process(struct bnxt *bp,
 		if (!bp->fw_reset_max_dsecs)
 			bp->fw_reset_max_dsecs = BNXT_DFLT_FW_RST_MAX_DSECS;
 		if (EVENT_DATA1_RESET_NOTIFY_FATAL(data1)) {
-			netdev_warn(bp->dev, "Firmware fatal reset event received\n");
+			fatal_str = "fatal";
 			set_bit(BNXT_STATE_FW_FATAL_COND, &bp->state);
-		} else {
-			netdev_warn(bp->dev, "Firmware non-fatal reset event received, max wait time %d msec\n",
-				    bp->fw_reset_max_dsecs * 100);
 		}
+		netif_warn(bp, hw, bp->dev,
+			   "Firmware %s reset event, data1: 0x%x, data2: 0x%x, min wait %u ms, max wait %u ms\n",
+			   fatal_str, data1, data2,
+			   bp->fw_reset_min_dsecs * 100,
+			   bp->fw_reset_max_dsecs * 100);
 		set_bit(BNXT_FW_RESET_NOTIFY_SP_EVENT, &bp->sp_event);
 		break;
+	}
 	case ASYNC_EVENT_CMPL_EVENT_ID_ERROR_RECOVERY: {
 		struct bnxt_fw_health *fw_health = bp->fw_health;
 
@@ -2052,16 +2055,11 @@ static int bnxt_async_event_process(struct bnxt *bp,
 
 		fw_health->enabled = EVENT_DATA1_RECOVERY_ENABLED(data1);
 		fw_health->master = EVENT_DATA1_RECOVERY_MASTER_FUNC(data1);
-		if (!fw_health->enabled)
+		if (!fw_health->enabled) {
+			netif_info(bp, drv, bp->dev,
+				   "Error recovery info: error recovery[0]\n");
 			break;
-
-		if (netif_msg_drv(bp))
-			netdev_info(bp->dev, "Error recovery info: error recovery[%d], master[%d], reset count[0x%x], health status: 0x%x\n",
-				    fw_health->enabled, fw_health->master,
-				    bnxt_fw_health_readl(bp,
-							 BNXT_FW_RESET_CNT_REG),
-				    bnxt_fw_health_readl(bp,
-							 BNXT_FW_HEALTH_REG));
+		}
 		fw_health->tmr_multiplier =
 			DIV_ROUND_UP(fw_health->polling_dsecs * HZ,
 				     bp->current_interval * 10);
@@ -2070,8 +2068,17 @@ static int bnxt_async_event_process(struct bnxt *bp,
 			bnxt_fw_health_readl(bp, BNXT_FW_HEARTBEAT_REG);
 		fw_health->last_fw_reset_cnt =
 			bnxt_fw_health_readl(bp, BNXT_FW_RESET_CNT_REG);
+		netif_info(bp, drv, bp->dev,
+			   "Error recovery info: error recovery[1], master[%d], reset count[%u], health status: 0x%x\n",
+			   fw_health->master, fw_health->last_fw_reset_cnt,
+			   bnxt_fw_health_readl(bp, BNXT_FW_HEALTH_REG));
 		goto async_event_process_exit;
 	}
+	case ASYNC_EVENT_CMPL_EVENT_ID_DEBUG_NOTIFICATION:
+		netif_notice(bp, hw, bp->dev,
+			     "Received firmware debug notification, data1: 0x%x, data2: 0x%x\n",
+			     data1, data2);
+		goto async_event_process_exit;
 	case ASYNC_EVENT_CMPL_EVENT_ID_RING_MONITOR_MSG: {
 		struct bnxt_rx_ring_info *rxr;
 		u16 grp_idx;
@@ -2094,6 +2101,20 @@ static int bnxt_async_event_process(struct bnxt *bp,
 		bnxt_sched_reset(bp, rxr);
 		goto async_event_process_exit;
 	}
+	case ASYNC_EVENT_CMPL_EVENT_ID_ECHO_REQUEST: {
+		struct bnxt_fw_health *fw_health = bp->fw_health;
+
+		netif_notice(bp, hw, bp->dev,
+			     "Received firmware echo request, data1: 0x%x, data2: 0x%x\n",
+			     data1, data2);
+		if (fw_health) {
+			fw_health->echo_req_data1 = data1;
+			fw_health->echo_req_data2 = data2;
+			set_bit(BNXT_FW_ECHO_REQUEST_SP_EVENT, &bp->sp_event);
+			break;
+		}
+		goto async_event_process_exit;
+	}
 	default:
 		goto async_event_process_exit;
 	}
@@ -2394,6 +2415,10 @@ static int bnxt_poll(struct napi_struct *napi, int budget)
 	struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
 	int work_done = 0;
 
+	if (unlikely(test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state))) {
+		napi_complete(napi);
+		return 0;
+	}
 	while (1) {
 		work_done += bnxt_poll_work(bp, cpr, budget - work_done);
 
@@ -2468,6 +2493,10 @@ static int bnxt_poll_p5(struct napi_struct *napi, int budget)
 	int work_done = 0;
 	u32 cons;
 
+	if (unlikely(test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state))) {
+		napi_complete(napi);
+		return 0;
+	}
 	if (cpr->has_more_work) {
 		cpr->has_more_work = 0;
 		work_done = __bnxt_poll_cqs(bp, bnapi, budget);
@@ -2675,6 +2704,23 @@ static void bnxt_free_skbs(struct bnxt *bp)
 	bnxt_free_rx_skbs(bp);
 }
 
+static void bnxt_init_ctx_mem(struct bnxt_mem_init *mem_init, void *p, int len)
+{
+	u8 init_val = mem_init->init_val;
+	u16 offset = mem_init->offset;
+	u8 *p2 = p;
+	int i;
+
+	if (!init_val)
+		return;
+	if (offset == BNXT_MEM_INVALID_OFFSET) {
+		memset(p, init_val, len);
+		return;
+	}
+	for (i = 0; i < len; i += mem_init->size)
+		*(p2 + i + offset) = init_val;
+}
+
 static void bnxt_free_ring(struct bnxt *bp, struct bnxt_ring_mem_info *rmem)
 {
 	struct pci_dev *pdev = bp->pdev;
@@ -2734,9 +2780,9 @@ static int bnxt_alloc_ring(struct bnxt *bp, struct bnxt_ring_mem_info *rmem)
 		if (!rmem->pg_arr[i])
 			return -ENOMEM;
 
-		if (rmem->init_val)
-			memset(rmem->pg_arr[i], rmem->init_val,
-			       rmem->page_size);
+		if (rmem->mem_init)
+			bnxt_init_ctx_mem(rmem->mem_init, rmem->pg_arr[i],
+					  rmem->page_size);
 		if (rmem->nr_pages > 1 || rmem->depth > 0) {
 			if (i == rmem->nr_pages - 2 &&
 			    (rmem->flags & BNXT_RMEM_RING_PTE_FLAG))
@@ -4272,6 +4318,9 @@ static void bnxt_disable_int_sync(struct bnxt *bp)
 {
 	int i;
 
+	if (!bp->irq_tbl)
+		return;
+
 	atomic_inc(&bp->intr_sem);
 
 	bnxt_disable_int(bp);
@@ -4425,6 +4474,8 @@ static int bnxt_hwrm_do_send_msg(struct bnxt *bp, void *msg, u32 msg_len,
 
 	if (!timeout)
 		timeout = DFLT_HWRM_CMD_TIMEOUT;
+	/* Limit timeout to an upper limit */
+	timeout = min(timeout, HWRM_CMD_MAX_TIMEOUT);
 	/* convert timeout to usec */
 	timeout *= 1000;
 
@@ -6732,6 +6783,39 @@ func_qcfg_exit:
 	return rc;
 }
 
+static void bnxt_init_ctx_initializer(struct bnxt_ctx_mem_info *ctx,
+			struct hwrm_func_backing_store_qcaps_output *resp)
+{
+	struct bnxt_mem_init *mem_init;
+	u16 init_mask;
+	u8 init_val;
+	u8 *offset;
+	int i;
+
+	init_val = resp->ctx_kind_initializer;
+	init_mask = le16_to_cpu(resp->ctx_init_mask);
+	offset = &resp->qp_init_offset;
+	mem_init = &ctx->mem_init[BNXT_CTX_MEM_INIT_QP];
+	for (i = 0; i < BNXT_CTX_MEM_INIT_MAX; i++, mem_init++, offset++) {
+		mem_init->init_val = init_val;
+		mem_init->offset = BNXT_MEM_INVALID_OFFSET;
+		if (!init_mask)
+			continue;
+		if (i == BNXT_CTX_MEM_INIT_STAT)
+			offset = &resp->stat_init_offset;
+		if (init_mask & (1 << i))
+			mem_init->offset = *offset * 4;
+		else
+			mem_init->init_val = 0;
+	}
+	ctx->mem_init[BNXT_CTX_MEM_INIT_QP].size = ctx->qp_entry_size;
+	ctx->mem_init[BNXT_CTX_MEM_INIT_SRQ].size = ctx->srq_entry_size;
+	ctx->mem_init[BNXT_CTX_MEM_INIT_CQ].size = ctx->cq_entry_size;
+	ctx->mem_init[BNXT_CTX_MEM_INIT_VNIC].size = ctx->vnic_entry_size;
+	ctx->mem_init[BNXT_CTX_MEM_INIT_STAT].size = ctx->stat_entry_size;
+	ctx->mem_init[BNXT_CTX_MEM_INIT_MRAV].size = ctx->mrav_entry_size;
+}
+
 static int bnxt_hwrm_func_backing_store_qcaps(struct bnxt *bp)
 {
 	struct hwrm_func_backing_store_qcaps_input req = {0};
@@ -6786,7 +6870,9 @@ static int bnxt_hwrm_func_backing_store_qcaps(struct bnxt *bp)
 			le16_to_cpu(resp->mrav_num_entries_units);
 		ctx->tim_entry_size = le16_to_cpu(resp->tim_entry_size);
 		ctx->tim_max_entries = le32_to_cpu(resp->tim_max_entries);
-		ctx->ctx_kind_initializer = resp->ctx_kind_initializer;
+
+		bnxt_init_ctx_initializer(ctx, resp);
+
 		ctx->tqm_fp_rings_count = resp->tqm_fp_rings_count;
 		if (!ctx->tqm_fp_rings_count)
 			ctx->tqm_fp_rings_count = bp->max_q;
@@ -6816,6 +6902,9 @@ static void bnxt_hwrm_set_pg_attr(struct bnxt_ring_mem_info *rmem, u8 *pg_attr,
 {
 	u8 pg_size = 0;
 
+	if (!rmem->nr_pages)
+		return;
+
 	if (BNXT_PAGE_SHIFT == 13)
 		pg_size = 1 << 4;
 	else if (BNXT_PAGE_SIZE == 16)
@@ -6845,6 +6934,7 @@ static int bnxt_hwrm_func_backing_store_cfg(struct bnxt *bp, u32 enables)
 	struct hwrm_func_backing_store_cfg_input req = {0};
 	struct bnxt_ctx_mem_info *ctx = bp->ctx;
 	struct bnxt_ctx_pg_info *ctx_pg;
+	u32 req_len = sizeof(req);
 	__le32 *num_entries;
 	__le64 *pg_dir;
 	u32 flags = 0;
@@ -6855,6 +6945,8 @@ static int bnxt_hwrm_func_backing_store_cfg(struct bnxt *bp, u32 enables)
 	if (!ctx)
 		return 0;
 
+	if (req_len > bp->hwrm_max_ext_req_len)
+		req_len = BNXT_BACKING_STORE_CFG_LEGACY_LEN;
 	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_BACKING_STORE_CFG, -1, -1);
 	req.enables = cpu_to_le32(enables);
 
@@ -6938,7 +7030,7 @@ static int bnxt_hwrm_func_backing_store_cfg(struct bnxt *bp, u32 enables)
 		bnxt_hwrm_set_pg_attr(&ctx_pg->ring_mem, pg_attr, pg_dir);
 	}
 	req.flags = cpu_to_le32(flags);
-	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	return hwrm_send_message(bp, &req, req_len, HWRM_CMD_TIMEOUT);
 }
 
 static int bnxt_alloc_ctx_mem_blk(struct bnxt *bp,
@@ -6957,7 +7049,7 @@ static int bnxt_alloc_ctx_mem_blk(struct bnxt *bp,
 
 static int bnxt_alloc_ctx_pg_tbls(struct bnxt *bp,
 				  struct bnxt_ctx_pg_info *ctx_pg, u32 mem_size,
-				  u8 depth, bool use_init_val)
+				  u8 depth, struct bnxt_mem_init *mem_init)
 {
 	struct bnxt_ring_mem_info *rmem = &ctx_pg->ring_mem;
 	int rc;
@@ -6995,8 +7087,7 @@ static int bnxt_alloc_ctx_pg_tbls(struct bnxt *bp,
 			rmem->pg_tbl_map = ctx_pg->ctx_dma_arr[i];
 			rmem->depth = 1;
 			rmem->nr_pages = MAX_CTX_PAGES;
-			if (use_init_val)
-				rmem->init_val = bp->ctx->ctx_kind_initializer;
+			rmem->mem_init = mem_init;
 			if (i == (nr_tbls - 1)) {
 				int rem = ctx_pg->nr_pages % MAX_CTX_PAGES;
 
@@ -7011,8 +7102,7 @@ static int bnxt_alloc_ctx_pg_tbls(struct bnxt *bp,
 		rmem->nr_pages = DIV_ROUND_UP(mem_size, BNXT_PAGE_SIZE);
 		if (rmem->nr_pages > 1 || depth)
 			rmem->depth = 1;
-		if (use_init_val)
-			rmem->init_val = bp->ctx->ctx_kind_initializer;
+		rmem->mem_init = mem_init;
 		rc = bnxt_alloc_ctx_mem_blk(bp, ctx_pg);
 	}
 	return rc;
@@ -7076,6 +7166,7 @@ static int bnxt_alloc_ctx_mem(struct bnxt *bp)
 {
 	struct bnxt_ctx_pg_info *ctx_pg;
 	struct bnxt_ctx_mem_info *ctx;
+	struct bnxt_mem_init *init;
 	u32 mem_size, ena, entries;
 	u32 entries_sp, min;
 	u32 num_mr, num_ah;
@@ -7103,39 +7194,54 @@ static int bnxt_alloc_ctx_mem(struct bnxt *bp)
 	ctx_pg = &ctx->qp_mem;
 	ctx_pg->entries = ctx->qp_min_qp1_entries + ctx->qp_max_l2_entries +
 			  extra_qps;
-	mem_size = ctx->qp_entry_size * ctx_pg->entries;
-	rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, pg_lvl, true);
-	if (rc)
-		return rc;
+	if (ctx->qp_entry_size) {
+		mem_size = ctx->qp_entry_size * ctx_pg->entries;
+		init = &ctx->mem_init[BNXT_CTX_MEM_INIT_QP];
+		rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, pg_lvl, init);
+		if (rc)
+			return rc;
+	}
 
 	ctx_pg = &ctx->srq_mem;
 	ctx_pg->entries = ctx->srq_max_l2_entries + extra_srqs;
-	mem_size = ctx->srq_entry_size * ctx_pg->entries;
-	rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, pg_lvl, true);
-	if (rc)
-		return rc;
+	if (ctx->srq_entry_size) {
+		mem_size = ctx->srq_entry_size * ctx_pg->entries;
+		init = &ctx->mem_init[BNXT_CTX_MEM_INIT_SRQ];
+		rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, pg_lvl, init);
+		if (rc)
+			return rc;
+	}
 
 	ctx_pg = &ctx->cq_mem;
 	ctx_pg->entries = ctx->cq_max_l2_entries + extra_qps * 2;
-	mem_size = ctx->cq_entry_size * ctx_pg->entries;
-	rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, pg_lvl, true);
-	if (rc)
-		return rc;
+	if (ctx->cq_entry_size) {
+		mem_size = ctx->cq_entry_size * ctx_pg->entries;
+		init = &ctx->mem_init[BNXT_CTX_MEM_INIT_CQ];
+		rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, pg_lvl, init);
+		if (rc)
+			return rc;
+	}
 
 	ctx_pg = &ctx->vnic_mem;
 	ctx_pg->entries = ctx->vnic_max_vnic_entries +
 			  ctx->vnic_max_ring_table_entries;
-	mem_size = ctx->vnic_entry_size * ctx_pg->entries;
-	rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, 1, true);
-	if (rc)
-		return rc;
+	if (ctx->vnic_entry_size) {
+		mem_size = ctx->vnic_entry_size * ctx_pg->entries;
+		init = &ctx->mem_init[BNXT_CTX_MEM_INIT_VNIC];
+		rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, 1, init);
+		if (rc)
+			return rc;
+	}
 
 	ctx_pg = &ctx->stat_mem;
 	ctx_pg->entries = ctx->stat_max_entries;
-	mem_size = ctx->stat_entry_size * ctx_pg->entries;
-	rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, 1, true);
-	if (rc)
-		return rc;
+	if (ctx->stat_entry_size) {
+		mem_size = ctx->stat_entry_size * ctx_pg->entries;
+		init = &ctx->mem_init[BNXT_CTX_MEM_INIT_STAT];
+		rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, 1, init);
+		if (rc)
+			return rc;
+	}
 
 	ena = 0;
 	if (!(bp->flags & BNXT_FLAG_ROCE_CAP))
@@ -7148,10 +7254,13 @@ static int bnxt_alloc_ctx_mem(struct bnxt *bp)
 	num_mr = 1024 * 256;
 	num_ah = 1024 * 128;
 	ctx_pg->entries = num_mr + num_ah;
-	mem_size = ctx->mrav_entry_size * ctx_pg->entries;
-	rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, 2, true);
-	if (rc)
-		return rc;
+	if (ctx->mrav_entry_size) {
+		mem_size = ctx->mrav_entry_size * ctx_pg->entries;
+		init = &ctx->mem_init[BNXT_CTX_MEM_INIT_MRAV];
+		rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, 2, init);
+		if (rc)
+			return rc;
+	}
 	ena = FUNC_BACKING_STORE_CFG_REQ_ENABLES_MRAV;
 	if (ctx->mrav_num_entries_units)
 		ctx_pg->entries =
@@ -7160,10 +7269,12 @@ static int bnxt_alloc_ctx_mem(struct bnxt *bp)
 
 	ctx_pg = &ctx->tim_mem;
 	ctx_pg->entries = ctx->qp_mem.entries;
-	mem_size = ctx->tim_entry_size * ctx_pg->entries;
-	rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, 1, false);
-	if (rc)
-		return rc;
+	if (ctx->tim_entry_size) {
+		mem_size = ctx->tim_entry_size * ctx_pg->entries;
+		rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, 1, NULL);
+		if (rc)
+			return rc;
+	}
 	ena |= FUNC_BACKING_STORE_CFG_REQ_ENABLES_TIM;
 
 skip_rdma:
@@ -7177,10 +7288,13 @@ skip_rdma:
 	for (i = 0; i < ctx->tqm_fp_rings_count + 1; i++) {
 		ctx_pg = ctx->tqm_mem[i];
 		ctx_pg->entries = i ? entries : entries_sp;
-		mem_size = ctx->tqm_entry_size * ctx_pg->entries;
-		rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, 1, false);
-		if (rc)
-			return rc;
+		if (ctx->tqm_entry_size) {
+			mem_size = ctx->tqm_entry_size * ctx_pg->entries;
+			rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, 1,
+						    NULL);
+			if (rc)
+				return rc;
+		}
 		ena |= FUNC_BACKING_STORE_CFG_REQ_ENABLES_TQM_SP << i;
 	}
 	ena |= FUNC_BACKING_STORE_CFG_REQ_DFLT_ENABLES;
@@ -7438,9 +7552,22 @@ static void bnxt_try_map_fw_health_reg(struct bnxt *bp)
 
 	sig = readl(hs + offsetof(struct hcomm_status, sig_ver));
 	if ((sig & HCOMM_STATUS_SIGNATURE_MASK) != HCOMM_STATUS_SIGNATURE_VAL) {
-		if (bp->fw_health)
-			bp->fw_health->status_reliable = false;
-		return;
+		if (!bp->chip_num) {
+			__bnxt_map_fw_health_reg(bp, BNXT_GRC_REG_BASE);
+			bp->chip_num = readl(bp->bar0 +
+					     BNXT_FW_HEALTH_WIN_BASE +
+					     BNXT_GRC_REG_CHIP_NUM);
+		}
+		if (!BNXT_CHIP_P5(bp)) {
+			if (bp->fw_health)
+				bp->fw_health->status_reliable = false;
+			return;
+		}
+		status_loc = BNXT_GRC_REG_STATUS_P5 |
+			     BNXT_FW_HEALTH_REG_TYPE_BAR0;
+	} else {
+		status_loc = readl(hs + offsetof(struct hcomm_status,
+						 fw_status_loc));
 	}
 
 	if (__bnxt_alloc_fw_health(bp)) {
@@ -7448,7 +7575,6 @@ static void bnxt_try_map_fw_health_reg(struct bnxt *bp)
 		return;
 	}
 
-	status_loc = readl(hs + offsetof(struct hcomm_status, fw_status_loc));
 	bp->fw_health->regs[BNXT_FW_HEALTH_REG] = status_loc;
 	reg_type = BNXT_FW_HEALTH_REG_TYPE(status_loc);
 	if (reg_type == BNXT_FW_HEALTH_REG_TYPE_GRC) {
@@ -8603,7 +8729,7 @@ msix_setup_exit:
 
 static int bnxt_init_inta(struct bnxt *bp)
 {
-	bp->irq_tbl = kcalloc(1, sizeof(struct bnxt_irq), GFP_KERNEL);
+	bp->irq_tbl = kzalloc(sizeof(struct bnxt_irq), GFP_KERNEL);
 	if (!bp->irq_tbl)
 		return -ENOMEM;
 
@@ -8811,7 +8937,8 @@ static void bnxt_disable_napi(struct bnxt *bp)
 {
 	int i;
 
-	if (!bp->bnapi)
+	if (!bp->bnapi ||
+	    test_and_set_bit(BNXT_STATE_NAPI_DISABLED, &bp->state))
 		return;
 
 	for (i = 0; i < bp->cp_nr_rings; i++) {
@@ -8828,6 +8955,7 @@ static void bnxt_enable_napi(struct bnxt *bp)
 {
 	int i;
 
+	clear_bit(BNXT_STATE_NAPI_DISABLED, &bp->state);
 	for (i = 0; i < bp->cp_nr_rings; i++) {
 		struct bnxt_napi *bnapi = bp->bnapi[i];
 		struct bnxt_cp_ring_info *cpr;
@@ -9335,13 +9463,60 @@ static int bnxt_hwrm_shutdown_link(struct bnxt *bp)
 
 static int bnxt_fw_init_one(struct bnxt *bp);
 
+static int bnxt_fw_reset_via_optee(struct bnxt *bp)
+{
+#ifdef CONFIG_TEE_BNXT_FW
+	int rc = tee_bnxt_fw_load();
+
+	if (rc)
+		netdev_err(bp->dev, "Failed FW reset via OP-TEE, rc=%d\n", rc);
+
+	return rc;
+#else
+	netdev_err(bp->dev, "OP-TEE not supported\n");
+	return -ENODEV;
+#endif
+}
+
+static int bnxt_try_recover_fw(struct bnxt *bp)
+{
+	if (bp->fw_health && bp->fw_health->status_reliable) {
+		int retry = 0, rc;
+		u32 sts;
+
+		mutex_lock(&bp->hwrm_cmd_lock);
+		do {
+			rc = __bnxt_hwrm_ver_get(bp, true);
+			sts = bnxt_fw_health_readl(bp, BNXT_FW_HEALTH_REG);
+			if (!sts || !BNXT_FW_IS_BOOTING(sts))
+				break;
+			retry++;
+		} while (rc == -EBUSY && retry < BNXT_FW_RETRY);
+		mutex_unlock(&bp->hwrm_cmd_lock);
+
+		if (!BNXT_FW_IS_HEALTHY(sts)) {
+			netdev_err(bp->dev,
+				   "Firmware not responding, status: 0x%x\n",
+				   sts);
+			rc = -ENODEV;
+		}
+		if (sts & FW_STATUS_REG_CRASHED_NO_MASTER) {
+			netdev_warn(bp->dev, "Firmware recover via OP-TEE requested\n");
+			return bnxt_fw_reset_via_optee(bp);
+		}
+		return rc;
+	}
+
+	return -ENODEV;
+}
+
 static int bnxt_hwrm_if_change(struct bnxt *bp, bool up)
 {
 	struct hwrm_func_drv_if_change_output *resp = bp->hwrm_cmd_resp_addr;
 	struct hwrm_func_drv_if_change_input req = {0};
 	bool resc_reinit = false, fw_reset = false;
+	int rc, retry = 0;
 	u32 flags = 0;
-	int rc;
 
 	if (!(bp->fw_cap & BNXT_FW_CAP_IF_CHANGE))
 		return 0;
@@ -9350,10 +9525,25 @@ static int bnxt_hwrm_if_change(struct bnxt *bp, bool up)
 	if (up)
 		req.flags = cpu_to_le32(FUNC_DRV_IF_CHANGE_REQ_FLAGS_UP);
 	mutex_lock(&bp->hwrm_cmd_lock);
-	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	while (retry < BNXT_FW_IF_RETRY) {
+		rc = _hwrm_send_message(bp, &req, sizeof(req),
+					HWRM_CMD_TIMEOUT);
+		if (rc != -EAGAIN)
+			break;
+
+		msleep(50);
+		retry++;
+	}
 	if (!rc)
 		flags = le32_to_cpu(resp->flags);
 	mutex_unlock(&bp->hwrm_cmd_lock);
+
+	if (rc == -EAGAIN)
+		return rc;
+	if (rc && up) {
+		rc = bnxt_try_recover_fw(bp);
+		fw_reset = true;
+	}
 	if (rc)
 		return rc;
 
@@ -9693,6 +9883,25 @@ static void bnxt_preset_reg_win(struct bnxt *bp)
 
 static int bnxt_init_dflt_ring_mode(struct bnxt *bp);
 
+static int bnxt_reinit_after_abort(struct bnxt *bp)
+{
+	int rc;
+
+	if (test_bit(BNXT_STATE_IN_FW_RESET, &bp->state))
+		return -EBUSY;
+
+	rc = bnxt_fw_init_one(bp);
+	if (!rc) {
+		bnxt_clear_int_mode(bp);
+		rc = bnxt_init_int_mode(bp);
+		if (!rc) {
+			clear_bit(BNXT_STATE_ABORT_ERR, &bp->state);
+			set_bit(BNXT_STATE_FW_RESET_DET, &bp->state);
+		}
+	}
+	return rc;
+}
+
 static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init)
 {
 	int rc = 0;
@@ -9851,8 +10060,14 @@ static int bnxt_open(struct net_device *dev)
 	int rc;
 
 	if (test_bit(BNXT_STATE_ABORT_ERR, &bp->state)) {
-		netdev_err(bp->dev, "A previous firmware reset did not complete, aborting\n");
-		return -ENODEV;
+		rc = bnxt_reinit_after_abort(bp);
+		if (rc) {
+			if (rc == -EBUSY)
+				netdev_err(bp->dev, "A previous firmware reset has not completed, aborting\n");
+			else
+				netdev_err(bp->dev, "Failed to reinitialize after aborted firmware reset\n");
+			return -ENODEV;
+		}
 	}
 
 	rc = bnxt_hwrm_if_change(bp, true);
@@ -10789,11 +11004,23 @@ static void bnxt_rx_ring_reset(struct bnxt *bp)
 static void bnxt_fw_reset_close(struct bnxt *bp)
 {
 	bnxt_ulp_stop(bp);
-	/* When firmware is fatal state, disable PCI device to prevent
-	 * any potential bad DMAs before freeing kernel memory.
+	/* When firmware is in fatal state, quiesce device and disable
+	 * bus master to prevent any potential bad DMAs before freeing
+	 * kernel memory.
 	 */
-	if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state))
+	if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state)) {
+		u16 val = 0;
+
+		pci_read_config_word(bp->pdev, PCI_SUBSYSTEM_ID, &val);
+		if (val == 0xffff)
+			bp->fw_reset_min_dsecs = 0;
+		bnxt_tx_disable(bp);
+		bnxt_disable_napi(bp);
+		bnxt_disable_int_sync(bp);
+		bnxt_free_irq(bp);
+		bnxt_clear_int_mode(bp);
 		pci_disable_device(bp->pdev);
+	}
 	__bnxt_close_nic(bp, true, false);
 	bnxt_clear_int_mode(bp);
 	bnxt_hwrm_func_drv_unrgtr(bp);
@@ -10998,6 +11225,17 @@ static void bnxt_init_ethtool_link_settings(struct bnxt *bp)
 		link_info->req_flow_ctrl = link_info->force_pause_setting;
 }
 
+static void bnxt_fw_echo_reply(struct bnxt *bp)
+{
+	struct bnxt_fw_health *fw_health = bp->fw_health;
+	struct hwrm_func_echo_response_input req = {0};
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_ECHO_RESPONSE, -1, -1);
+	req.event_data1 = cpu_to_le32(fw_health->echo_req_data1);
+	req.event_data2 = cpu_to_le32(fw_health->echo_req_data2);
+	hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+}
+
 static void bnxt_sp_task(struct work_struct *work)
 {
 	struct bnxt *bp = container_of(work, struct bnxt, sp_task);
@@ -11065,6 +11303,9 @@ static void bnxt_sp_task(struct work_struct *work)
 	if (test_and_clear_bit(BNXT_RING_COAL_NOW_SP_EVENT, &bp->sp_event))
 		bnxt_chk_missed_irq(bp);
 
+	if (test_and_clear_bit(BNXT_FW_ECHO_REQUEST_SP_EVENT, &bp->sp_event))
+		bnxt_fw_echo_reply(bp);
+
 	/* These functions below will clear BNXT_STATE_IN_SP_TASK.  They
 	 * must be the last functions to be called before exiting.
 	 */
@@ -11181,21 +11422,6 @@ static void bnxt_init_dflt_coal(struct bnxt *bp)
 	bp->stats_coal_ticks = BNXT_DEF_STATS_COAL_TICKS;
 }
 
-static int bnxt_fw_reset_via_optee(struct bnxt *bp)
-{
-#ifdef CONFIG_TEE_BNXT_FW
-	int rc = tee_bnxt_fw_load();
-
-	if (rc)
-		netdev_err(bp->dev, "Failed FW reset via OP-TEE, rc=%d\n", rc);
-
-	return rc;
-#else
-	netdev_err(bp->dev, "OP-TEE not supported\n");
-	return -ENODEV;
-#endif
-}
-
 static int bnxt_fw_init_one_p1(struct bnxt *bp)
 {
 	int rc;
@@ -11204,19 +11430,10 @@ static int bnxt_fw_init_one_p1(struct bnxt *bp)
 	rc = bnxt_hwrm_ver_get(bp);
 	bnxt_try_map_fw_health_reg(bp);
 	if (rc) {
-		if (bp->fw_health && bp->fw_health->status_reliable) {
-			u32 sts = bnxt_fw_health_readl(bp, BNXT_FW_HEALTH_REG);
-
-			netdev_err(bp->dev,
-				   "Firmware not responding, status: 0x%x\n",
-				   sts);
-			if (sts & FW_STATUS_REG_CRASHED_NO_MASTER) {
-				netdev_warn(bp->dev, "Firmware recover via OP-TEE requested\n");
-				rc = bnxt_fw_reset_via_optee(bp);
-				if (!rc)
-					rc = bnxt_hwrm_ver_get(bp);
-			}
-		}
+		rc = bnxt_try_recover_fw(bp);
+		if (rc)
+			return rc;
+		rc = bnxt_hwrm_ver_get(bp);
 		if (rc)
 			return rc;
 	}
@@ -11416,6 +11633,12 @@ static void bnxt_reset_all(struct bnxt *bp)
 	bp->fw_reset_timestamp = jiffies;
 }
 
+static bool bnxt_fw_reset_timeout(struct bnxt *bp)
+{
+	return time_after(jiffies, bp->fw_reset_timestamp +
+			  (bp->fw_reset_max_dsecs * HZ / 10));
+}
+
 static void bnxt_fw_reset_task(struct work_struct *work)
 {
 	struct bnxt *bp = container_of(work, struct bnxt, fw_reset_task.work);
@@ -11437,8 +11660,7 @@ static void bnxt_fw_reset_task(struct work_struct *work)
 				   bp->fw_reset_timestamp));
 			goto fw_reset_abort;
 		} else if (n > 0) {
-			if (time_after(jiffies, bp->fw_reset_timestamp +
-				       (bp->fw_reset_max_dsecs * HZ / 10))) {
+			if (bnxt_fw_reset_timeout(bp)) {
 				clear_bit(BNXT_STATE_IN_FW_RESET, &bp->state);
 				bp->fw_reset_state = 0;
 				netdev_err(bp->dev, "Firmware reset aborted, bnxt_get_registered_vfs() returns %d\n",
@@ -11467,8 +11689,7 @@ static void bnxt_fw_reset_task(struct work_struct *work)
 
 		val = bnxt_fw_health_readl(bp, BNXT_FW_HEALTH_REG);
 		if (!(val & BNXT_FW_STATUS_SHUTDOWN) &&
-		    !time_after(jiffies, bp->fw_reset_timestamp +
-		    (bp->fw_reset_max_dsecs * HZ / 10))) {
+		    !bnxt_fw_reset_timeout(bp)) {
 			bnxt_queue_fw_reset_work(bp, HZ / 5);
 			return;
 		}
@@ -11492,6 +11713,20 @@ static void bnxt_fw_reset_task(struct work_struct *work)
 		if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state)) {
 			u32 val;
 
+			if (!bp->fw_reset_min_dsecs) {
+				u16 val;
+
+				pci_read_config_word(bp->pdev, PCI_SUBSYSTEM_ID,
+						     &val);
+				if (val == 0xffff) {
+					if (bnxt_fw_reset_timeout(bp)) {
+						netdev_err(bp->dev, "Firmware reset aborted, PCI config space invalid\n");
+						goto fw_reset_abort;
+					}
+					bnxt_queue_fw_reset_work(bp, HZ / 1000);
+					return;
+				}
+			}
 			val = bnxt_fw_health_readl(bp,
 						   BNXT_FW_RESET_INPROG_REG);
 			if (val)
@@ -11510,8 +11745,7 @@ static void bnxt_fw_reset_task(struct work_struct *work)
 		bp->hwrm_cmd_timeout = SHORT_HWRM_CMD_TIMEOUT;
 		rc = __bnxt_hwrm_ver_get(bp, true);
 		if (rc) {
-			if (time_after(jiffies, bp->fw_reset_timestamp +
-				       (bp->fw_reset_max_dsecs * HZ / 10))) {
+			if (bnxt_fw_reset_timeout(bp)) {
 				netdev_err(bp->dev, "Firmware reset aborted\n");
 				goto fw_reset_abort_status;
 			}
@@ -12092,8 +12326,6 @@ static const struct net_device_ops bnxt_netdev_ops = {
 #ifdef CONFIG_RFS_ACCEL
 	.ndo_rx_flow_steer	= bnxt_rx_flow_steer,
 #endif
-	.ndo_udp_tunnel_add	= udp_tunnel_nic_add_port,
-	.ndo_udp_tunnel_del	= udp_tunnel_nic_del_port,
 	.ndo_bpf		= bnxt_xdp,
 	.ndo_xdp_xmit		= bnxt_xdp_xmit,
 	.ndo_bridge_getlink	= bnxt_bridge_getlink,
@@ -12545,9 +12777,6 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	dev->ethtool_ops = &bnxt_ethtool_ops;
 	pci_set_drvdata(pdev, dev);
 
-	if (BNXT_PF(bp))
-		bnxt_vpd_read_info(bp);
-
 	rc = bnxt_alloc_hwrm_resources(bp);
 	if (rc)
 		goto init_err_pci_clean;
@@ -12559,6 +12788,9 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (rc)
 		goto init_err_pci_clean;
 
+	if (BNXT_PF(bp))
+		bnxt_vpd_read_info(bp);
+
 	if (BNXT_CHIP_P5(bp)) {
 		bp->flags |= BNXT_FLAG_CHIP_P5;
 		if (BNXT_CHIP_SR2(bp))