Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

Pull networking updates from David Miller:
 "Highlights:

   1) Support SPI based w5100 devices, from Akinobu Mita.

   2) Partial Segmentation Offload, from Alexander Duyck.

   3) Add GMAC4 support to stmmac driver, from Alexandre TORGUE.

   4) Allow cls_flower stats offload, from Amir Vadai.

   5) Implement bpf blinding, from Daniel Borkmann.

   6) Optimize _ASYNC_ bit twiddling on sockets, unless the socket is
      actually using FASYNC these atomics are superfluous.  From Eric
      Dumazet.

   7) Run TCP more preemptibly, also from Eric Dumazet.

   8) Support LED blinking, EEPROM dumps, and rxvlan offloading in mlx5e
      driver, from Gal Pressman.

   9) Allow creating ppp devices via rtnetlink, from Guillaume Nault.

  10) Improve BPF usage documentation, from Jesper Dangaard Brouer.

  11) Support tunneling offloads in qed, from Manish Chopra.

  12) aRFS offloading in mlx5e, from Maor Gottlieb.

  13) Add RFS and RPS support to SCTP protocol, from Marcelo Ricardo
      Leitner.

  14) Add MSG_EOR support to TCP, this allows controlling packet
      coalescing on application record boundaries for more accurate
      socket timestamp sampling.  From Martin KaFai Lau.

  15) Fix alignment of 64-bit netlink attributes across the board, from
      Nicolas Dichtel.

  16) Per-vlan stats in bridging, from Nikolay Aleksandrov.

  17) Several conversions of drivers to ethtool ksettings, from Philippe
      Reynes.

  18) Checksum neutral ILA in ipv6, from Tom Herbert.

  19) Factorize all of the various marvell dsa drivers into one, from
      Vivien Didelot

  20) Add VF support to qed driver, from Yuval Mintz"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1649 commits)
  Revert "phy dp83867: Fix compilation with CONFIG_OF_MDIO=m"
  Revert "phy dp83867: Make rgmii parameters optional"
  r8169: default to 64-bit DMA on recent PCIe chips
  phy dp83867: Make rgmii parameters optional
  phy dp83867: Fix compilation with CONFIG_OF_MDIO=m
  bpf: arm64: remove callee-save registers use for tmp registers
  asix: Fix offset calculation in asix_rx_fixup() causing slow transmissions
  switchdev: pass pointer to fib_info instead of copy
  net_sched: close another race condition in tcf_mirred_release()
  tipc: fix nametable publication field in nl compat
  drivers: net: Don't print unpopulated net_device name
  qed: add support for dcbx.
  ravb: Add missing free_irq() calls to ravb_close()
  qed: Remove a stray tab
  net: ethernet: fec-mpc52xx: use phy_ethtool_{get|set}_link_ksettings
  net: ethernet: fec-mpc52xx: use phydev from struct net_device
  bpf, doc: fix typo on bpf_asm descriptions
  stmmac: hardware TX COE doesn't work when force_thresh_dma_mode is set
  net: ethernet: fs-enet: use phy_ethtool_{get|set}_link_ksettings
  net: ethernet: fs-enet: use phydev from struct net_device
  ...

3 files changed, 143 insertions, 33 deletions

diff --git a/drivers/net/fjes/fjes_hw.c b/drivers/net/fjes/fjes_hw.c
index b103adb8d62e..0dbafedc0a34 100644
--- a/drivers/net/fjes/fjes_hw.c
+++ b/drivers/net/fjes/fjes_hw.c
@@ -179,6 +179,8 @@ void fjes_hw_setup_epbuf(struct epbuf_handler *epbh, u8 *mac_addr, u32 mtu)
 
 	for (i = 0; i < EP_BUFFER_SUPPORT_VLAN_MAX; i++)
 		info->v1i.vlan_id[i] = vlan_id[i];
+
+	info->v1i.rx_status |= FJES_RX_MTU_CHANGING_DONE;
 }
 
 void
@@ -214,6 +216,7 @@ static int fjes_hw_setup(struct fjes_hw *hw)
 	u8 mac[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 	struct fjes_device_command_param param;
 	struct ep_share_mem_info *buf_pair;
+	unsigned long flags;
 	size_t mem_size;
 	int result;
 	int epidx;
@@ -262,10 +265,12 @@ static int fjes_hw_setup(struct fjes_hw *hw)
 			if (result)
 				return result;
 
+			spin_lock_irqsave(&hw->rx_status_lock, flags);
 			fjes_hw_setup_epbuf(&buf_pair->tx, mac,
 					    fjes_support_mtu[0]);
 			fjes_hw_setup_epbuf(&buf_pair->rx, mac,
 					    fjes_support_mtu[0]);
+			spin_unlock_irqrestore(&hw->rx_status_lock, flags);
 		}
 	}
 
@@ -327,6 +332,7 @@ int fjes_hw_init(struct fjes_hw *hw)
 	INIT_WORK(&hw->epstop_task, fjes_hw_epstop_task);
 
 	mutex_init(&hw->hw_info.lock);
+	spin_lock_init(&hw->rx_status_lock);
 
 	hw->max_epid = fjes_hw_get_max_epid(hw);
 	hw->my_epid = fjes_hw_get_my_epid(hw);
@@ -734,6 +740,7 @@ fjes_hw_get_partner_ep_status(struct fjes_hw *hw, int epid)
 void fjes_hw_raise_epstop(struct fjes_hw *hw)
 {
 	enum ep_partner_status status;
+	unsigned long flags;
 	int epidx;
 
 	for (epidx = 0; epidx < hw->max_epid; epidx++) {
@@ -753,8 +760,10 @@ void fjes_hw_raise_epstop(struct fjes_hw *hw)
 		set_bit(epidx, &hw->hw_info.buffer_unshare_reserve_bit);
 		set_bit(epidx, &hw->txrx_stop_req_bit);
 
+		spin_lock_irqsave(&hw->rx_status_lock, flags);
 		hw->ep_shm_info[epidx].tx.info->v1i.rx_status |=
 				FJES_RX_STOP_REQ_REQUEST;
+		spin_unlock_irqrestore(&hw->rx_status_lock, flags);
 	}
 }
 
@@ -810,7 +819,8 @@ bool fjes_hw_check_mtu(struct epbuf_handler *epbh, u32 mtu)
 {
 	union ep_buffer_info *info = epbh->info;
 
-	return (info->v1i.frame_max == FJES_MTU_TO_FRAME_SIZE(mtu));
+	return ((info->v1i.frame_max == FJES_MTU_TO_FRAME_SIZE(mtu)) &&
+		info->v1i.rx_status & FJES_RX_MTU_CHANGING_DONE);
 }
 
 bool fjes_hw_check_vlan_id(struct epbuf_handler *epbh, u16 vlan_id)
@@ -863,6 +873,9 @@ bool fjes_hw_epbuf_rx_is_empty(struct epbuf_handler *epbh)
 {
 	union ep_buffer_info *info = epbh->info;
 
+	if (!(info->v1i.rx_status & FJES_RX_MTU_CHANGING_DONE))
+		return true;
+
 	if (info->v1i.count_max == 0)
 		return true;
 
@@ -932,6 +945,7 @@ static void fjes_hw_update_zone_task(struct work_struct *work)
 
 	struct fjes_adapter *adapter;
 	struct net_device *netdev;
+	unsigned long flags;
 
 	ulong unshare_bit = 0;
 	ulong share_bit = 0;
@@ -1024,8 +1038,10 @@ static void fjes_hw_update_zone_task(struct work_struct *work)
 			continue;
 
 		if (test_bit(epidx, &share_bit)) {
+			spin_lock_irqsave(&hw->rx_status_lock, flags);
 			fjes_hw_setup_epbuf(&hw->ep_shm_info[epidx].tx,
 					    netdev->dev_addr, netdev->mtu);
+			spin_unlock_irqrestore(&hw->rx_status_lock, flags);
 
 			mutex_lock(&hw->hw_info.lock);
 
@@ -1069,10 +1085,14 @@ static void fjes_hw_update_zone_task(struct work_struct *work)
 
 			mutex_unlock(&hw->hw_info.lock);
 
-			if (ret == 0)
+			if (ret == 0) {
+				spin_lock_irqsave(&hw->rx_status_lock, flags);
 				fjes_hw_setup_epbuf(
 					&hw->ep_shm_info[epidx].tx,
 					netdev->dev_addr, netdev->mtu);
+				spin_unlock_irqrestore(&hw->rx_status_lock,
+						       flags);
+			}
 		}
 
 		if (test_bit(epidx, &irq_bit)) {
@@ -1080,9 +1100,11 @@ static void fjes_hw_update_zone_task(struct work_struct *work)
 						REG_ICTL_MASK_TXRX_STOP_REQ);
 
 			set_bit(epidx, &hw->txrx_stop_req_bit);
+			spin_lock_irqsave(&hw->rx_status_lock, flags);
 			hw->ep_shm_info[epidx].tx.
 				info->v1i.rx_status |=
 					FJES_RX_STOP_REQ_REQUEST;
+			spin_unlock_irqrestore(&hw->rx_status_lock, flags);
 			set_bit(epidx, &hw->hw_info.buffer_unshare_reserve_bit);
 		}
 	}
@@ -1098,6 +1120,7 @@ static void fjes_hw_epstop_task(struct work_struct *work)
 {
 	struct fjes_hw *hw = container_of(work, struct fjes_hw, epstop_task);
 	struct fjes_adapter *adapter = (struct fjes_adapter *)hw->back;
+	unsigned long flags;
 
 	ulong remain_bit;
 	int epid_bit;
@@ -1105,9 +1128,12 @@ static void fjes_hw_epstop_task(struct work_struct *work)
 	while ((remain_bit = hw->epstop_req_bit)) {
 		for (epid_bit = 0; remain_bit; remain_bit >>= 1, epid_bit++) {
 			if (remain_bit & 1) {
+				spin_lock_irqsave(&hw->rx_status_lock, flags);
 				hw->ep_shm_info[epid_bit].
 					tx.info->v1i.rx_status |=
 						FJES_RX_STOP_REQ_DONE;
+				spin_unlock_irqrestore(&hw->rx_status_lock,
+						       flags);
 
 				clear_bit(epid_bit, &hw->epstop_req_bit);
 				set_bit(epid_bit,
diff --git a/drivers/net/fjes/fjes_hw.h b/drivers/net/fjes/fjes_hw.h
index 6d57b89a0ee8..1445ac99d6e3 100644
--- a/drivers/net/fjes/fjes_hw.h
+++ b/drivers/net/fjes/fjes_hw.h
@@ -33,9 +33,9 @@ struct fjes_hw;
 #define EP_BUFFER_SUPPORT_VLAN_MAX 4
 #define EP_BUFFER_INFO_SIZE 4096
 
-#define FJES_DEVICE_RESET_TIMEOUT  ((17 + 1) * 3) /* sec */
-#define FJES_COMMAND_REQ_TIMEOUT  (5 + 1) /* sec */
-#define FJES_COMMAND_REQ_BUFF_TIMEOUT	(8 * 3) /* sec */
+#define FJES_DEVICE_RESET_TIMEOUT  ((17 + 1) * 3 * 8) /* sec */
+#define FJES_COMMAND_REQ_TIMEOUT  ((5 + 1) * 3 * 8) /* sec */
+#define FJES_COMMAND_REQ_BUFF_TIMEOUT	(60 * 3) /* sec */
 #define FJES_COMMAND_EPSTOP_WAIT_TIMEOUT	(1) /* sec */
 
 #define FJES_CMD_REQ_ERR_INFO_PARAM  (0x0001)
@@ -57,6 +57,7 @@ struct fjes_hw;
 #define FJES_RX_STOP_REQ_DONE		(0x1)
 #define FJES_RX_STOP_REQ_REQUEST	(0x2)
 #define FJES_RX_POLL_WORK		(0x4)
+#define FJES_RX_MTU_CHANGING_DONE	(0x8)
 
 #define EP_BUFFER_SIZE \
 	(((sizeof(union ep_buffer_info) + (128 * (64 * 1024))) \
@@ -299,6 +300,8 @@ struct fjes_hw {
 	u8 *base;
 
 	struct fjes_hw_info hw_info;
+
+	spinlock_t rx_status_lock; /* spinlock for rx_status */
 };
 
 int fjes_hw_init(struct fjes_hw *);
diff --git a/drivers/net/fjes/fjes_main.c b/drivers/net/fjes/fjes_main.c
index 0ddb54fe3d91..86c331bb5eb3 100644
--- a/drivers/net/fjes/fjes_main.c
+++ b/drivers/net/fjes/fjes_main.c
@@ -29,7 +29,7 @@
 #include "fjes.h"
 
 #define MAJ 1
-#define MIN 0
+#define MIN 1
 #define DRV_VERSION __stringify(MAJ) "." __stringify(MIN)
 #define DRV_NAME	"fjes"
 char fjes_driver_name[] = DRV_NAME;
@@ -290,6 +290,7 @@ static int fjes_close(struct net_device *netdev)
 {
 	struct fjes_adapter *adapter = netdev_priv(netdev);
 	struct fjes_hw *hw = &adapter->hw;
+	unsigned long flags;
 	int epidx;
 
 	netif_tx_stop_all_queues(netdev);
@@ -299,13 +300,18 @@ static int fjes_close(struct net_device *netdev)
 
 	napi_disable(&adapter->napi);
 
+	spin_lock_irqsave(&hw->rx_status_lock, flags);
 	for (epidx = 0; epidx < hw->max_epid; epidx++) {
 		if (epidx == hw->my_epid)
 			continue;
 
-		adapter->hw.ep_shm_info[epidx].tx.info->v1i.rx_status &=
-			~FJES_RX_POLL_WORK;
+		if (fjes_hw_get_partner_ep_status(hw, epidx) ==
+		    EP_PARTNER_SHARED)
+			adapter->hw.ep_shm_info[epidx]
+				   .tx.info->v1i.rx_status &=
+				~FJES_RX_POLL_WORK;
 	}
+	spin_unlock_irqrestore(&hw->rx_status_lock, flags);
 
 	fjes_free_irq(adapter);
 
@@ -330,6 +336,7 @@ static int fjes_setup_resources(struct fjes_adapter *adapter)
 	struct net_device *netdev = adapter->netdev;
 	struct ep_share_mem_info *buf_pair;
 	struct fjes_hw *hw = &adapter->hw;
+	unsigned long flags;
 	int result;
 	int epidx;
 
@@ -371,8 +378,10 @@ static int fjes_setup_resources(struct fjes_adapter *adapter)
 
 		buf_pair = &hw->ep_shm_info[epidx];
 
+		spin_lock_irqsave(&hw->rx_status_lock, flags);
 		fjes_hw_setup_epbuf(&buf_pair->tx, netdev->dev_addr,
 				    netdev->mtu);
+		spin_unlock_irqrestore(&hw->rx_status_lock, flags);
 
 		if (fjes_hw_epid_is_same_zone(hw, epidx)) {
 			mutex_lock(&hw->hw_info.lock);
@@ -402,6 +411,7 @@ static void fjes_free_resources(struct fjes_adapter *adapter)
 	struct ep_share_mem_info *buf_pair;
 	struct fjes_hw *hw = &adapter->hw;
 	bool reset_flag = false;
+	unsigned long flags;
 	int result;
 	int epidx;
 
@@ -418,8 +428,10 @@ static void fjes_free_resources(struct fjes_adapter *adapter)
 
 		buf_pair = &hw->ep_shm_info[epidx];
 
+		spin_lock_irqsave(&hw->rx_status_lock, flags);
 		fjes_hw_setup_epbuf(&buf_pair->tx,
 				    netdev->dev_addr, netdev->mtu);
+		spin_unlock_irqrestore(&hw->rx_status_lock, flags);
 
 		clear_bit(epidx, &hw->txrx_stop_req_bit);
 	}
@@ -459,7 +471,7 @@ static void fjes_tx_stall_task(struct work_struct *work)
 	int i;
 
 	if (((long)jiffies -
-		(long)(netdev->trans_start)) > FJES_TX_TX_STALL_TIMEOUT) {
+		dev_trans_start(netdev)) > FJES_TX_TX_STALL_TIMEOUT) {
 		netif_wake_queue(netdev);
 		return;
 	}
@@ -481,6 +493,9 @@ static void fjes_tx_stall_task(struct work_struct *work)
 
 			info = adapter->hw.ep_shm_info[epid].tx.info;
 
+			if (!(info->v1i.rx_status & FJES_RX_MTU_CHANGING_DONE))
+				return;
+
 			if (EP_RING_FULL(info->v1i.head, info->v1i.tail,
 					 info->v1i.count_max)) {
 				all_queue_available = 0;
@@ -549,7 +564,8 @@ static void fjes_raise_intr_rxdata_task(struct work_struct *work)
 		if ((hw->ep_shm_info[epid].tx_status_work ==
 		     FJES_TX_DELAY_SEND_PENDING) &&
 		    (pstatus == EP_PARTNER_SHARED) &&
-		    !(hw->ep_shm_info[epid].rx.info->v1i.rx_status)) {
+		    !(hw->ep_shm_info[epid].rx.info->v1i.rx_status &
+		      FJES_RX_POLL_WORK)) {
 			fjes_hw_raise_interrupt(hw, epid,
 						REG_ICTL_MASK_RX_DATA);
 		}
@@ -653,7 +669,7 @@ fjes_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 				&adapter->hw.ep_shm_info[dest_epid].rx, 0)) {
 			/* version is NOT 0 */
 			adapter->stats64.tx_carrier_errors += 1;
-			hw->ep_shm_info[my_epid].net_stats
+			hw->ep_shm_info[dest_epid].net_stats
 						.tx_carrier_errors += 1;
 
 			ret = NETDEV_TX_OK;
@@ -661,9 +677,9 @@ fjes_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 				&adapter->hw.ep_shm_info[dest_epid].rx,
 				netdev->mtu)) {
 			adapter->stats64.tx_dropped += 1;
-			hw->ep_shm_info[my_epid].net_stats.tx_dropped += 1;
+			hw->ep_shm_info[dest_epid].net_stats.tx_dropped += 1;
 			adapter->stats64.tx_errors += 1;
-			hw->ep_shm_info[my_epid].net_stats.tx_errors += 1;
+			hw->ep_shm_info[dest_epid].net_stats.tx_errors += 1;
 
 			ret = NETDEV_TX_OK;
 		} else if (vlan &&
@@ -694,15 +710,15 @@ fjes_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 					    (long)adapter->tx_start_jiffies) >=
 					    FJES_TX_RETRY_TIMEOUT) {
 					adapter->stats64.tx_fifo_errors += 1;
-					hw->ep_shm_info[my_epid].net_stats
+					hw->ep_shm_info[dest_epid].net_stats
 								.tx_fifo_errors += 1;
 					adapter->stats64.tx_errors += 1;
-					hw->ep_shm_info[my_epid].net_stats
+					hw->ep_shm_info[dest_epid].net_stats
 								.tx_errors += 1;
 
 					ret = NETDEV_TX_OK;
 				} else {
-					netdev->trans_start = jiffies;
+					netif_trans_update(netdev);
 					netif_tx_stop_queue(cur_queue);
 
 					if (!work_pending(&adapter->tx_stall_task))
@@ -714,10 +730,10 @@ fjes_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 			} else {
 				if (!is_multi) {
 					adapter->stats64.tx_packets += 1;
-					hw->ep_shm_info[my_epid].net_stats
+					hw->ep_shm_info[dest_epid].net_stats
 								.tx_packets += 1;
 					adapter->stats64.tx_bytes += len;
-					hw->ep_shm_info[my_epid].net_stats
+					hw->ep_shm_info[dest_epid].net_stats
 								.tx_bytes += len;
 				}
 
@@ -759,9 +775,12 @@ fjes_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *stats)
 
 static int fjes_change_mtu(struct net_device *netdev, int new_mtu)
 {
+	struct fjes_adapter *adapter = netdev_priv(netdev);
 	bool running = netif_running(netdev);
-	int ret = 0;
-	int idx;
+	struct fjes_hw *hw = &adapter->hw;
+	unsigned long flags;
+	int ret = -EINVAL;
+	int idx, epidx;
 
 	for (idx = 0; fjes_support_mtu[idx] != 0; idx++) {
 		if (new_mtu <= fjes_support_mtu[idx]) {
@@ -769,19 +788,58 @@ static int fjes_change_mtu(struct net_device *netdev, int new_mtu)
 			if (new_mtu == netdev->mtu)
 				return 0;
 
-			if (running)
-				fjes_close(netdev);
+			ret = 0;
+			break;
+		}
+	}
+
+	if (ret)
+		return ret;
+
+	if (running) {
+		spin_lock_irqsave(&hw->rx_status_lock, flags);
+		for (epidx = 0; epidx < hw->max_epid; epidx++) {
+			if (epidx == hw->my_epid)
+				continue;
+			hw->ep_shm_info[epidx].tx.info->v1i.rx_status &=
+				~FJES_RX_MTU_CHANGING_DONE;
+		}
+		spin_unlock_irqrestore(&hw->rx_status_lock, flags);
+
+		netif_tx_stop_all_queues(netdev);
+		netif_carrier_off(netdev);
+		cancel_work_sync(&adapter->tx_stall_task);
+		napi_disable(&adapter->napi);
+
+		msleep(1000);
+
+		netif_tx_stop_all_queues(netdev);
+	}
+
+	netdev->mtu = new_mtu;
 
-			netdev->mtu = new_mtu;
+	if (running) {
+		for (epidx = 0; epidx < hw->max_epid; epidx++) {
+			if (epidx == hw->my_epid)
+				continue;
 
-			if (running)
-				ret = fjes_open(netdev);
+			spin_lock_irqsave(&hw->rx_status_lock, flags);
+			fjes_hw_setup_epbuf(&hw->ep_shm_info[epidx].tx,
+					    netdev->dev_addr,
+					    netdev->mtu);
 
-			return ret;
+			hw->ep_shm_info[epidx].tx.info->v1i.rx_status |=
+				FJES_RX_MTU_CHANGING_DONE;
+			spin_unlock_irqrestore(&hw->rx_status_lock, flags);
 		}
+
+		netif_tx_wake_all_queues(netdev);
+		netif_carrier_on(netdev);
+		napi_enable(&adapter->napi);
+		napi_schedule(&adapter->napi);
 	}
 
-	return -EINVAL;
+	return ret;
 }
 
 static int fjes_vlan_rx_add_vid(struct net_device *netdev,
@@ -825,6 +883,7 @@ static void fjes_txrx_stop_req_irq(struct fjes_adapter *adapter,
 {
 	struct fjes_hw *hw = &adapter->hw;
 	enum ep_partner_status status;
+	unsigned long flags;
 
 	status = fjes_hw_get_partner_ep_status(hw, src_epid);
 	switch (status) {
@@ -834,8 +893,10 @@ static void fjes_txrx_stop_req_irq(struct fjes_adapter *adapter,
 		break;
 	case EP_PARTNER_WAITING:
 		if (src_epid < hw->my_epid) {
+			spin_lock_irqsave(&hw->rx_status_lock, flags);
 			hw->ep_shm_info[src_epid].tx.info->v1i.rx_status |=
 				FJES_RX_STOP_REQ_DONE;
+			spin_unlock_irqrestore(&hw->rx_status_lock, flags);
 
 			clear_bit(src_epid, &hw->txrx_stop_req_bit);
 			set_bit(src_epid, &adapter->unshare_watch_bitmask);
@@ -861,14 +922,17 @@ static void fjes_stop_req_irq(struct fjes_adapter *adapter, int src_epid)
 {
 	struct fjes_hw *hw = &adapter->hw;
 	enum ep_partner_status status;
+	unsigned long flags;
 
 	set_bit(src_epid, &hw->hw_info.buffer_unshare_reserve_bit);
 
 	status = fjes_hw_get_partner_ep_status(hw, src_epid);
 	switch (status) {
 	case EP_PARTNER_WAITING:
+		spin_lock_irqsave(&hw->rx_status_lock, flags);
 		hw->ep_shm_info[src_epid].tx.info->v1i.rx_status |=
 				FJES_RX_STOP_REQ_DONE;
+		spin_unlock_irqrestore(&hw->rx_status_lock, flags);
 		clear_bit(src_epid, &hw->txrx_stop_req_bit);
 		/* fall through */
 	case EP_PARTNER_UNSHARE:
@@ -1001,13 +1065,17 @@ static int fjes_poll(struct napi_struct *napi, int budget)
 	size_t frame_len;
 	void *frame;
 
+	spin_lock(&hw->rx_status_lock);
 	for (epidx = 0; epidx < hw->max_epid; epidx++) {
 		if (epidx == hw->my_epid)
 			continue;
 
-		adapter->hw.ep_shm_info[epidx].tx.info->v1i.rx_status |=
-			FJES_RX_POLL_WORK;
+		if (fjes_hw_get_partner_ep_status(hw, epidx) ==
+		    EP_PARTNER_SHARED)
+			adapter->hw.ep_shm_info[epidx]
+				   .tx.info->v1i.rx_status |= FJES_RX_POLL_WORK;
 	}
+	spin_unlock(&hw->rx_status_lock);
 
 	while (work_done < budget) {
 		prefetch(&adapter->hw);
@@ -1065,13 +1133,17 @@ static int fjes_poll(struct napi_struct *napi, int budget)
 		if (((long)jiffies - (long)adapter->rx_last_jiffies) < 3) {
 			napi_reschedule(napi);
 		} else {
+			spin_lock(&hw->rx_status_lock);
 			for (epidx = 0; epidx < hw->max_epid; epidx++) {
 				if (epidx == hw->my_epid)
 					continue;
-				adapter->hw.ep_shm_info[epidx]
-					   .tx.info->v1i.rx_status &=
+				if (fjes_hw_get_partner_ep_status(hw, epidx) ==
+				    EP_PARTNER_SHARED)
+					adapter->hw.ep_shm_info[epidx].tx
+						   .info->v1i.rx_status &=
 						~FJES_RX_POLL_WORK;
 			}
+			spin_unlock(&hw->rx_status_lock);
 
 			fjes_hw_set_irqmask(hw, REG_ICTL_MASK_RX_DATA, false);
 		}
@@ -1129,7 +1201,7 @@ static int fjes_probe(struct platform_device *plat_dev)
 
 	res = platform_get_resource(plat_dev, IORESOURCE_MEM, 0);
 	hw->hw_res.start = res->start;
-	hw->hw_res.size = res->end - res->start + 1;
+	hw->hw_res.size = resource_size(res);
 	hw->hw_res.irq = platform_get_irq(plat_dev, 0);
 	err = fjes_hw_init(&adapter->hw);
 	if (err)
@@ -1203,7 +1275,7 @@ static void fjes_netdev_setup(struct net_device *netdev)
 	netdev->watchdog_timeo = FJES_TX_RETRY_INTERVAL;
 	netdev->netdev_ops = &fjes_netdev_ops;
 	fjes_set_ethtool_ops(netdev);
-	netdev->mtu = fjes_support_mtu[0];
+	netdev->mtu = fjes_support_mtu[3];
 	netdev->flags |= IFF_BROADCAST;
 	netdev->features |= NETIF_F_HW_CSUM | NETIF_F_HW_VLAN_CTAG_FILTER;
 }
@@ -1240,6 +1312,7 @@ static void fjes_watch_unshare_task(struct work_struct *work)
 	int max_epid, my_epid, epidx;
 	int stop_req, stop_req_done;
 	ulong unshare_watch_bitmask;
+	unsigned long flags;
 	int wait_time = 0;
 	int is_shared;
 	int ret;
@@ -1292,8 +1365,10 @@ static void fjes_watch_unshare_task(struct work_struct *work)
 			}
 			mutex_unlock(&hw->hw_info.lock);
 
+			spin_lock_irqsave(&hw->rx_status_lock, flags);
 			fjes_hw_setup_epbuf(&hw->ep_shm_info[epidx].tx,
 					    netdev->dev_addr, netdev->mtu);
+			spin_unlock_irqrestore(&hw->rx_status_lock, flags);
 
 			clear_bit(epidx, &hw->txrx_stop_req_bit);
 			clear_bit(epidx, &unshare_watch_bitmask);
@@ -1331,9 +1406,12 @@ static void fjes_watch_unshare_task(struct work_struct *work)
 				}
 				mutex_unlock(&hw->hw_info.lock);
 
+				spin_lock_irqsave(&hw->rx_status_lock, flags);
 				fjes_hw_setup_epbuf(
 					&hw->ep_shm_info[epidx].tx,
 					netdev->dev_addr, netdev->mtu);
+				spin_unlock_irqrestore(&hw->rx_status_lock,
+						       flags);
 
 				clear_bit(epidx, &hw->txrx_stop_req_bit);
 				clear_bit(epidx, &unshare_watch_bitmask);
@@ -1341,8 +1419,11 @@ static void fjes_watch_unshare_task(struct work_struct *work)
 			}
 
 			if (test_bit(epidx, &unshare_watch_bitmask)) {
+				spin_lock_irqsave(&hw->rx_status_lock, flags);
 				hw->ep_shm_info[epidx].tx.info->v1i.rx_status &=
 						~FJES_RX_STOP_REQ_DONE;
+				spin_unlock_irqrestore(&hw->rx_status_lock,
+						       flags);
 			}
 		}
 	}