1 files changed, 138 insertions, 103 deletions

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 67fe3d826566..e59530357e2c 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -25,9 +25,9 @@
 #include <linux/ip.h>
 #include <linux/crash_dump.h>
 #include <net/tcp.h>
+#include <net/gro.h>
 #include <net/ipv6.h>
 #include <net/ip6_checksum.h>
-#include <net/busy_poll.h>
 #include <linux/prefetch.h>
 #include "bnx2x_cmn.h"
 #include "bnx2x_init.h"
@@ -44,8 +44,7 @@ static void bnx2x_add_all_napi_cnic(struct bnx2x *bp)
 
 	/* Add NAPI objects */
 	for_each_rx_queue_cnic(bp, i) {
-		netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
-			       bnx2x_poll, NAPI_POLL_WEIGHT);
+		netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi), bnx2x_poll);
 	}
 }
 
@@ -55,8 +54,7 @@ static void bnx2x_add_all_napi(struct bnx2x *bp)
 
 	/* Add NAPI objects */
 	for_each_eth_queue(bp, i) {
-		netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
-			       bnx2x_poll, NAPI_POLL_WEIGHT);
+		netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi), bnx2x_poll);
 	}
 }
 
@@ -149,10 +147,11 @@ void bnx2x_fill_fw_str(struct bnx2x *bp, char *buf, size_t buf_len)
 
 		phy_fw_ver[0] = '\0';
 		bnx2x_get_ext_phy_fw_version(&bp->link_params,
-					     phy_fw_ver, PHY_FW_VER_LEN);
-		strlcpy(buf, bp->fw_ver, buf_len);
-		snprintf(buf + strlen(bp->fw_ver), 32 - strlen(bp->fw_ver),
-			 "bc %d.%d.%d%s%s",
+					     phy_fw_ver, sizeof(phy_fw_ver));
+		/* This may become truncated. */
+		scnprintf(buf, buf_len,
+			 "%sbc %d.%d.%d%s%s",
+			 bp->fw_ver,
 			 (bp->common.bc_ver & 0xff0000) >> 16,
 			 (bp->common.bc_ver & 0xff00) >> 8,
 			 (bp->common.bc_ver & 0xff),
@@ -286,6 +285,9 @@ int bnx2x_tx_int(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata)
 	hw_cons = le16_to_cpu(*txdata->tx_cons_sb);
 	sw_cons = txdata->tx_pkt_cons;
 
+	/* Ensure subsequent loads occur after hw_cons */
+	smp_rmb();
+
 	while (sw_cons != hw_cons) {
 		u16 pkt_cons;
 
@@ -502,6 +504,7 @@ static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue,
  * @len_on_bd:		total length of the first packet for the
  *			aggregation.
  * @pkt_len:		length of all segments
+ * @num_of_coalesced_segs: count of segments
  *
  * Approximate value of the MSS for this aggregation calculated using
  * the first packet of it.
@@ -670,6 +673,18 @@ static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp,
 	return 0;
 }
 
+static struct sk_buff *
+bnx2x_build_skb(const struct bnx2x_fastpath *fp, void *data)
+{
+	struct sk_buff *skb;
+
+	if (fp->rx_frag_size)
+		skb = build_skb(data, fp->rx_frag_size);
+	else
+		skb = slab_build_skb(data);
+	return skb;
+}
+
 static void bnx2x_frag_free(const struct bnx2x_fastpath *fp, void *data)
 {
 	if (fp->rx_frag_size)
@@ -685,7 +700,7 @@ static void *bnx2x_frag_alloc(const struct bnx2x_fastpath *fp, gfp_t gfp_mask)
 		if (unlikely(gfpflags_allow_blocking(gfp_mask)))
 			return (void *)__get_free_page(gfp_mask);
 
-		return netdev_alloc_frag(fp->rx_frag_size);
+		return napi_alloc_frag(fp->rx_frag_size);
 	}
 
 	return kmalloc(fp->rx_buf_size + NET_SKB_PAD, gfp_mask);
@@ -738,8 +753,9 @@ static void bnx2x_gro_receive(struct bnx2x *bp, struct bnx2x_fastpath *fp,
 			bnx2x_gro_csum(bp, skb, bnx2x_gro_ipv6_csum);
 			break;
 		default:
-			WARN_ONCE(1, "Error: FW GRO supports only IPv4/IPv6, not 0x%04x\n",
-				  be16_to_cpu(skb->protocol));
+			netdev_WARN_ONCE(bp->dev,
+					 "Error: FW GRO supports only IPv4/IPv6, not 0x%04x\n",
+					 be16_to_cpu(skb->protocol));
 		}
 	}
 #endif
@@ -776,7 +792,7 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
 	dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(rx_buf, mapping),
 			 fp->rx_buf_size, DMA_FROM_DEVICE);
 	if (likely(new_data))
-		skb = build_skb(data, fp->rx_frag_size);
+		skb = bnx2x_build_skb(fp, data);
 
 	if (likely(skb)) {
 #ifdef BNX2X_STOP_ON_ERROR
@@ -784,6 +800,7 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
 			BNX2X_ERR("skb_put is about to fail...  pad %d  len %d  rx_buf_size %d\n",
 				  pad, len, fp->rx_buf_size);
 			bnx2x_panic();
+			bnx2x_frag_free(fp, new_data);
 			return;
 		}
 #endif
@@ -1042,7 +1059,7 @@ static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
 						 dma_unmap_addr(rx_buf, mapping),
 						 fp->rx_buf_size,
 						 DMA_FROM_DEVICE);
-				skb = build_skb(data, fp->rx_frag_size);
+				skb = bnx2x_build_skb(fp, data);
 				if (unlikely(!skb)) {
 					bnx2x_frag_free(fp, data);
 					bnx2x_fp_qstats(bp, fp)->
@@ -1260,6 +1277,11 @@ void __bnx2x_link_report(struct bnx2x *bp)
 {
 	struct bnx2x_link_report_data cur_data;
 
+	if (bp->force_link_down) {
+		bp->link_vars.link_up = 0;
+		return;
+	}
+
 	/* reread mf_cfg */
 	if (IS_PF(bp) && !CHIP_IS_E1(bp))
 		bnx2x_read_mf_cfg(bp);
@@ -1904,7 +1926,7 @@ void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw)
 }
 
 u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb,
-		       void *accel_priv, select_queue_fallback_t fallback)
+		       struct net_device *sb_dev)
 {
 	struct bnx2x *bp = netdev_priv(dev);
 
@@ -1914,8 +1936,7 @@ u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb,
 
 		/* Skip VLAN tag if present */
 		if (ether_type == ETH_P_8021Q) {
-			struct vlan_ethhdr *vhdr =
-				(struct vlan_ethhdr *)skb->data;
+			struct vlan_ethhdr *vhdr = skb_vlan_eth_hdr(skb);
 
 			ether_type = ntohs(vhdr->h_vlan_encapsulated_proto);
 		}
@@ -1926,7 +1947,8 @@ u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb,
 	}
 
 	/* select a non-FCoE queue */
-	return fallback(dev, skb) % (BNX2X_NUM_ETH_QUEUES(bp) * bp->max_cos);
+	return netdev_pick_tx(dev, skb, NULL) %
+			(BNX2X_NUM_ETH_QUEUES(bp) * bp->max_cos);
 }
 
 void bnx2x_set_num_queues(struct bnx2x *bp)
@@ -1949,6 +1971,7 @@ void bnx2x_set_num_queues(struct bnx2x *bp)
  * bnx2x_set_real_num_queues - configure netdev->real_num_[tx,rx]_queues
  *
  * @bp:		Driver handle
+ * @include_cnic: handle cnic case
  *
  * We currently support for at most 16 Tx queues for each CoS thus we will
  * allocate a multiple of 16 for ETH L2 rings according to the value of the
@@ -2352,26 +2375,30 @@ int bnx2x_compare_fw_ver(struct bnx2x *bp, u32 load_code, bool print_err)
 	/* is another pf loaded on this engine? */
 	if (load_code != FW_MSG_CODE_DRV_LOAD_COMMON_CHIP &&
 	    load_code != FW_MSG_CODE_DRV_LOAD_COMMON) {
-		/* build my FW version dword */
-		u32 my_fw = (BCM_5710_FW_MAJOR_VERSION) +
-			(BCM_5710_FW_MINOR_VERSION << 8) +
-			(BCM_5710_FW_REVISION_VERSION << 16) +
-			(BCM_5710_FW_ENGINEERING_VERSION << 24);
+		u8 loaded_fw_major, loaded_fw_minor, loaded_fw_rev, loaded_fw_eng;
+		u32 loaded_fw;
 
 		/* read loaded FW from chip */
-		u32 loaded_fw = REG_RD(bp, XSEM_REG_PRAM);
+		loaded_fw = REG_RD(bp, XSEM_REG_PRAM);
+
+		loaded_fw_major = loaded_fw & 0xff;
+		loaded_fw_minor = (loaded_fw >> 8) & 0xff;
+		loaded_fw_rev = (loaded_fw >> 16) & 0xff;
+		loaded_fw_eng = (loaded_fw >> 24) & 0xff;
 
-		DP(BNX2X_MSG_SP, "loaded fw %x, my fw %x\n",
-		   loaded_fw, my_fw);
+		DP(BNX2X_MSG_SP, "loaded fw 0x%x major 0x%x minor 0x%x rev 0x%x eng 0x%x\n",
+		   loaded_fw, loaded_fw_major, loaded_fw_minor, loaded_fw_rev, loaded_fw_eng);
 
 		/* abort nic load if version mismatch */
-		if (my_fw != loaded_fw) {
+		if (loaded_fw_major != BCM_5710_FW_MAJOR_VERSION ||
+		    loaded_fw_minor != BCM_5710_FW_MINOR_VERSION ||
+		    loaded_fw_eng != BCM_5710_FW_ENGINEERING_VERSION ||
+		    loaded_fw_rev < BCM_5710_FW_REVISION_VERSION_V15) {
 			if (print_err)
-				BNX2X_ERR("bnx2x with FW %x was already loaded which mismatches my %x FW. Aborting\n",
-					  loaded_fw, my_fw);
+				BNX2X_ERR("loaded FW incompatible. Aborting\n");
 			else
-				BNX2X_DEV_INFO("bnx2x with FW %x was already loaded which mismatches my %x FW, possibly due to MF UNDI\n",
-					       loaded_fw, my_fw);
+				BNX2X_DEV_INFO("loaded FW incompatible, possibly due to MF UNDI\n");
+
 			return -EBUSY;
 		}
 	}
@@ -2482,8 +2509,7 @@ static void bnx2x_bz_fp(struct bnx2x *bp, int index)
 	 */
 	if (bp->dev->features & NETIF_F_LRO)
 		fp->mode = TPA_MODE_LRO;
-	else if (bp->dev->features & NETIF_F_GRO &&
-		 bnx2x_mtu_allows_gro(bp->dev->mtu))
+	else if (bp->dev->features & NETIF_F_GRO_HW)
 		fp->mode = TPA_MODE_GRO;
 	else
 		fp->mode = TPA_MODE_DISABLED;
@@ -2659,7 +2685,8 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
 	}
 
 	/* Allocated memory for FW statistics  */
-	if (bnx2x_alloc_fw_stats_mem(bp))
+	rc = bnx2x_alloc_fw_stats_mem(bp);
+	if (rc)
 		LOAD_ERROR_EXIT(bp, load_error0);
 
 	/* request pf to initialize status blocks */
@@ -2689,6 +2716,7 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
 	bnx2x_add_all_napi(bp);
 	DP(NETIF_MSG_IFUP, "napi added\n");
 	bnx2x_napi_enable(bp);
+	bp->nic_stopped = false;
 
 	if (IS_PF(bp)) {
 		/* set pf load just before approaching the MCP */
@@ -2817,6 +2845,7 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
 		bp->pending_max = 0;
 	}
 
+	bp->force_link_down = false;
 	if (bp->port.pmf) {
 		rc = bnx2x_initial_phy_init(bp, load_mode);
 		if (rc)
@@ -2835,6 +2864,7 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
 	bnx2x_set_rx_mode_inner(bp);
 
 	if (bp->flags & PTP_SUPPORTED) {
+		bnx2x_register_phc(bp);
 		bnx2x_init_ptp(bp);
 		bnx2x_configure_ptp_filters(bp);
 	}
@@ -2932,6 +2962,7 @@ load_error2:
 load_error1:
 	bnx2x_napi_disable(bp);
 	bnx2x_del_all_napi(bp);
+	bp->nic_stopped = true;
 
 	/* clear pf_load status, as it was already set */
 	if (IS_PF(bp))
@@ -3028,9 +3059,9 @@ int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode, bool keep_link)
 
 	bp->rx_mode = BNX2X_RX_MODE_NONE;
 
-	del_timer_sync(&bp->timer);
+	timer_delete_sync(&bp->timer);
 
-	if (IS_PF(bp)) {
+	if (IS_PF(bp) && !BP_NOMCP(bp)) {
 		/* Set ALWAYS_ALIVE bit in shmem */
 		bp->fw_drv_pulse_wr_seq |= DRV_PULSE_ALWAYS_ALIVE;
 		bnx2x_drv_pulse(bp);
@@ -3048,12 +3079,13 @@ int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode, bool keep_link)
 	/* if VF indicate to PF this function is going down (PF will delete sp
 	 * elements and clear initializations
 	 */
-	if (IS_VF(bp))
+	if (IS_VF(bp)) {
+		bnx2x_clear_vlan_info(bp);
 		bnx2x_vfpf_close_vf(bp);
-	else if (unload_mode != UNLOAD_RECOVERY)
+	} else if (unload_mode != UNLOAD_RECOVERY) {
 		/* if this is a normal/close unload need to clean up chip*/
 		bnx2x_chip_cleanup(bp, unload_mode, keep_link);
-	else {
+	} else {
 		/* Send the UNLOAD_REQUEST to the MCP */
 		bnx2x_send_unload_req(bp, unload_mode);
 
@@ -3066,14 +3098,17 @@ int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode, bool keep_link)
 		if (!CHIP_IS_E1x(bp))
 			bnx2x_pf_disable(bp);
 
-		/* Disable HW interrupts, NAPI */
-		bnx2x_netif_stop(bp, 1);
-		/* Delete all NAPI objects */
-		bnx2x_del_all_napi(bp);
-		if (CNIC_LOADED(bp))
-			bnx2x_del_all_napi_cnic(bp);
-		/* Release IRQs */
-		bnx2x_free_irq(bp);
+		if (!bp->nic_stopped) {
+			/* Disable HW interrupts, NAPI */
+			bnx2x_netif_stop(bp, 1);
+			/* Delete all NAPI objects */
+			bnx2x_del_all_napi(bp);
+			if (CNIC_LOADED(bp))
+				bnx2x_del_all_napi_cnic(bp);
+			/* Release IRQs */
+			bnx2x_free_irq(bp);
+			bp->nic_stopped = true;
+		}
 
 		/* Report UNLOAD_DONE to MCP */
 		bnx2x_send_unload_done(bp, false);
@@ -3116,7 +3151,7 @@ int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode, bool keep_link)
 	bp->cnic_loaded = false;
 
 	/* Clear driver version indication in shmem */
-	if (IS_PF(bp))
+	if (IS_PF(bp) && !BP_NOMCP(bp))
 		bnx2x_update_mng_version(bp);
 
 	/* Check if there are pending parity attentions. If there are - set
@@ -3402,12 +3437,9 @@ static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
 
 			/* Headers length */
 			if (xmit_type & XMIT_GSO_ENC)
-				hlen = (int)(skb_inner_transport_header(skb) -
-					     skb->data) +
-					     inner_tcp_hdrlen(skb);
+				hlen = skb_inner_tcp_all_headers(skb);
 			else
-				hlen = (int)(skb_transport_header(skb) -
-					     skb->data) + tcp_hdrlen(skb);
+				hlen = skb_tcp_all_headers(skb);
 
 			/* Amount of data (w/o headers) on linear part of SKB*/
 			first_bd_sz = skb_headlen(skb) - hlen;
@@ -3506,7 +3538,7 @@ static u8 bnx2x_set_pbd_csum_enc(struct bnx2x *bp, struct sk_buff *skb,
 				 u32 *parsing_data, u32 xmit_type)
 {
 	*parsing_data |=
-		((((u8 *)skb_inner_transport_header(skb) - skb->data) >> 1) <<
+		((skb_inner_transport_offset(skb) >> 1) <<
 		ETH_TX_PARSE_BD_E2_L4_HDR_START_OFFSET_W_SHIFT) &
 		ETH_TX_PARSE_BD_E2_L4_HDR_START_OFFSET_W;
 
@@ -3515,15 +3547,13 @@ static u8 bnx2x_set_pbd_csum_enc(struct bnx2x *bp, struct sk_buff *skb,
 			ETH_TX_PARSE_BD_E2_TCP_HDR_LENGTH_DW_SHIFT) &
 			ETH_TX_PARSE_BD_E2_TCP_HDR_LENGTH_DW;
 
-		return skb_inner_transport_header(skb) +
-			inner_tcp_hdrlen(skb) - skb->data;
+		return skb_inner_tcp_all_headers(skb);
 	}
 
 	/* We support checksum offload for TCP and UDP only.
 	 * No need to pass the UDP header length - it's a constant.
 	 */
-	return skb_inner_transport_header(skb) +
-		sizeof(struct udphdr) - skb->data;
+	return skb_inner_transport_offset(skb) + sizeof(struct udphdr);
 }
 
 /**
@@ -3540,7 +3570,7 @@ static u8 bnx2x_set_pbd_csum_e2(struct bnx2x *bp, struct sk_buff *skb,
 				u32 *parsing_data, u32 xmit_type)
 {
 	*parsing_data |=
-		((((u8 *)skb_transport_header(skb) - skb->data) >> 1) <<
+		((skb_transport_offset(skb) >> 1) <<
 		ETH_TX_PARSE_BD_E2_L4_HDR_START_OFFSET_W_SHIFT) &
 		ETH_TX_PARSE_BD_E2_L4_HDR_START_OFFSET_W;
 
@@ -3549,12 +3579,12 @@ static u8 bnx2x_set_pbd_csum_e2(struct bnx2x *bp, struct sk_buff *skb,
 			ETH_TX_PARSE_BD_E2_TCP_HDR_LENGTH_DW_SHIFT) &
 			ETH_TX_PARSE_BD_E2_TCP_HDR_LENGTH_DW;
 
-		return skb_transport_header(skb) + tcp_hdrlen(skb) - skb->data;
+		return skb_tcp_all_headers(skb);
 	}
 	/* We support checksum offload for TCP and UDP only.
 	 * No need to pass the UDP header length - it's a constant.
 	 */
-	return skb_transport_header(skb) + sizeof(struct udphdr) - skb->data;
+	return skb_transport_offset(skb) + sizeof(struct udphdr);
 }
 
 /* set FW indication according to inner or outer protocols if tunneled */
@@ -3583,7 +3613,7 @@ static u8 bnx2x_set_pbd_csum(struct bnx2x *bp, struct sk_buff *skb,
 			     struct eth_tx_parse_bd_e1x *pbd,
 			     u32 xmit_type)
 {
-	u8 hlen = (skb_network_header(skb) - skb->data) >> 1;
+	u8 hlen = skb_network_offset(skb) >> 1;
 
 	/* for now NS flag is not used in Linux */
 	pbd->global_data =
@@ -3591,8 +3621,7 @@ static u8 bnx2x_set_pbd_csum(struct bnx2x *bp, struct sk_buff *skb,
 			    ((skb->protocol == cpu_to_be16(ETH_P_8021Q)) <<
 			     ETH_TX_PARSE_BD_E1X_LLC_SNAP_EN_SHIFT));
 
-	pbd->ip_hlen_w = (skb_transport_header(skb) -
-			skb_network_header(skb)) >> 1;
+	pbd->ip_hlen_w = skb_network_header_len(skb) >> 1;
 
 	hlen += pbd->ip_hlen_w;
 
@@ -3637,8 +3666,7 @@ static void bnx2x_update_pbds_gso_enc(struct sk_buff *skb,
 	u8 outerip_off, outerip_len = 0;
 
 	/* from outer IP to transport */
-	hlen_w = (skb_inner_transport_header(skb) -
-		  skb_network_header(skb)) >> 1;
+	hlen_w = skb_inner_transport_offset(skb) >> 1;
 
 	/* transport len */
 	hlen_w += inner_tcp_hdrlen(skb) >> 1;
@@ -3684,7 +3712,7 @@ static void bnx2x_update_pbds_gso_enc(struct sk_buff *skb,
 					0, IPPROTO_TCP, 0));
 	}
 
-	outerip_off = (skb_network_header(skb) - skb->data) >> 1;
+	outerip_off = (skb_network_offset(skb)) >> 1;
 
 	*global_data |=
 		outerip_off |
@@ -3850,9 +3878,12 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) {
 		if (!(bp->flags & TX_TIMESTAMPING_EN)) {
+			bp->eth_stats.ptp_skip_tx_ts++;
 			BNX2X_ERR("Tx timestamping was not enabled, this packet will not be timestamped\n");
 		} else if (bp->ptp_tx_skb) {
-			BNX2X_ERR("The device supports only a single outstanding packet to timestamp, this packet will not be timestamped\n");
+			bp->eth_stats.ptp_skip_tx_ts++;
+			netdev_err_once(bp->dev,
+					"Device supports only a single outstanding packet to timestamp, this packet won't be timestamped\n");
 		} else {
 			skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
 			/* schedule check for Tx timestamp */
@@ -4153,11 +4184,10 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	wmb();
 
 	txdata->tx_db.data.prod += nbd;
-	barrier();
-
-	DOORBELL(bp, txdata->cid, txdata->tx_db.raw);
+	/* make sure descriptor update is observed by HW */
+	wmb();
 
-	mmiowb();
+	DOORBELL_RELAXED(bp, txdata->cid, txdata->tx_db.raw);
 
 	txdata->tx_bd_prod += nbd;
 
@@ -4216,8 +4246,8 @@ void bnx2x_get_c2s_mapping(struct bnx2x *bp, u8 *c2s_map, u8 *c2s_default)
 /**
  * bnx2x_setup_tc - routine to configure net_device for multi tc
  *
- * @netdev: net device to configure
- * @tc: number of traffic classes to enable
+ * @dev: net device to configure
+ * @num_tc: number of traffic classes to enable
  *
  * callback connected to the ndo_setup_tc function pointer
  */
@@ -4284,15 +4314,17 @@ int bnx2x_setup_tc(struct net_device *dev, u8 num_tc)
 	return 0;
 }
 
-int __bnx2x_setup_tc(struct net_device *dev, u32 handle, u32 chain_index,
-		     __be16 proto, struct tc_to_netdev *tc)
+int __bnx2x_setup_tc(struct net_device *dev, enum tc_setup_type type,
+		     void *type_data)
 {
-	if (tc->type != TC_SETUP_MQPRIO)
-		return -EINVAL;
+	struct tc_mqprio_qopt *mqprio = type_data;
+
+	if (type != TC_SETUP_QDISC_MQPRIO)
+		return -EOPNOTSUPP;
 
-	tc->mqprio->hw = TC_MQPRIO_HW_OFFLOAD_TCS;
+	mqprio->hw = TC_MQPRIO_HW_OFFLOAD_TCS;
 
-	return bnx2x_setup_tc(dev, tc->mqprio->num_tc);
+	return bnx2x_setup_tc(dev, mqprio->num_tc);
 }
 
 /* called with rtnl_lock */
@@ -4318,7 +4350,7 @@ int bnx2x_change_mac_addr(struct net_device *dev, void *p)
 			return rc;
 	}
 
-	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
+	eth_hw_addr_set(dev, addr->sa_data);
 
 	if (netif_running(dev))
 		rc = bnx2x_set_eth_mac(bp, true);
@@ -4870,7 +4902,10 @@ int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
 	 * because the actual alloc size is
 	 * only updated as part of load
 	 */
-	dev->mtu = new_mtu;
+	WRITE_ONCE(dev->mtu, new_mtu);
+
+	if (!bnx2x_mtu_allows_gro(new_mtu))
+		dev->features &= ~NETIF_F_GRO_HW;
 
 	if (IS_PF(bp) && SHMEM2_HAS(bp, curr_cfg))
 		SHMEM2_WR(bp, curr_cfg, CURR_CFG_MET_OS);
@@ -4901,10 +4936,13 @@ netdev_features_t bnx2x_fix_features(struct net_device *dev,
 	}
 
 	/* TPA requires Rx CSUM offloading */
-	if (!(features & NETIF_F_RXCSUM)) {
+	if (!(features & NETIF_F_RXCSUM))
+		features &= ~NETIF_F_LRO;
+
+	if (!(features & NETIF_F_GRO) || !bnx2x_mtu_allows_gro(dev->mtu))
+		features &= ~NETIF_F_GRO_HW;
+	if (features & NETIF_F_GRO_HW)
 		features &= ~NETIF_F_LRO;
-		features &= ~NETIF_F_GRO;
-	}
 
 	return features;
 }
@@ -4931,13 +4969,8 @@ int bnx2x_set_features(struct net_device *dev, netdev_features_t features)
 		}
 	}
 
-	/* if GRO is changed while LRO is enabled, don't force a reload */
-	if ((changes & NETIF_F_GRO) && (features & NETIF_F_LRO))
-		changes &= ~NETIF_F_GRO;
-
-	/* if GRO is changed while HW TPA is off, don't force a reload */
-	if ((changes & NETIF_F_GRO) && bp->disable_tpa)
-		changes &= ~NETIF_F_GRO;
+	/* Don't care about GRO changes */
+	changes &= ~NETIF_F_GRO;
 
 	if (changes)
 		bnx2x_reload = true;
@@ -4954,12 +4987,17 @@ int bnx2x_set_features(struct net_device *dev, netdev_features_t features)
 	return 0;
 }
 
-void bnx2x_tx_timeout(struct net_device *dev)
+void bnx2x_tx_timeout(struct net_device *dev, unsigned int txqueue)
 {
 	struct bnx2x *bp = netdev_priv(dev);
 
-#ifdef BNX2X_STOP_ON_ERROR
+	/* We want the information of the dump logged,
+	 * but calling bnx2x_panic() would kill all chances of recovery.
+	 */
 	if (!bp->panic)
+#ifndef BNX2X_STOP_ON_ERROR
+		bnx2x_panic_dump(bp, false);
+#else
 		bnx2x_panic();
 #endif
 
@@ -4967,8 +5005,9 @@ void bnx2x_tx_timeout(struct net_device *dev)
 	bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_TX_TIMEOUT, 0);
 }
 
-int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
+static int __maybe_unused bnx2x_suspend(struct device *dev_d)
 {
+	struct pci_dev *pdev = to_pci_dev(dev_d);
 	struct net_device *dev = pci_get_drvdata(pdev);
 	struct bnx2x *bp;
 
@@ -4980,8 +5019,6 @@ int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
 
 	rtnl_lock();
 
-	pci_save_state(pdev);
-
 	if (!netif_running(dev)) {
 		rtnl_unlock();
 		return 0;
@@ -4991,15 +5028,14 @@ int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
 
 	bnx2x_nic_unload(bp, UNLOAD_CLOSE, false);
 
-	bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
-
 	rtnl_unlock();
 
 	return 0;
 }
 
-int bnx2x_resume(struct pci_dev *pdev)
+static int __maybe_unused bnx2x_resume(struct device *dev_d)
 {
+	struct pci_dev *pdev = to_pci_dev(dev_d);
 	struct net_device *dev = pci_get_drvdata(pdev);
 	struct bnx2x *bp;
 	int rc;
@@ -5017,14 +5053,11 @@ int bnx2x_resume(struct pci_dev *pdev)
 
 	rtnl_lock();
 
-	pci_restore_state(pdev);
-
 	if (!netif_running(dev)) {
 		rtnl_unlock();
 		return 0;
 	}
 
-	bnx2x_set_power_state(bp, PCI_D0);
 	netif_device_attach(dev);
 
 	rc = bnx2x_nic_load(bp, LOAD_OPEN);
@@ -5034,6 +5067,8 @@ int bnx2x_resume(struct pci_dev *pdev)
 	return rc;
 }
 
+SIMPLE_DEV_PM_OPS(bnx2x_pm_ops, bnx2x_suspend, bnx2x_resume);
+
 void bnx2x_set_ctx_validation(struct bnx2x *bp, struct eth_context *cxt,
 			      u32 cid)
 {