Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue

Jeff Kirsher says:

====================
100GbE Intel Wired LAN Driver Updates 2019-08-01

This series for fm10k, by Jake Keller, reduces the scope of local variables
where possible.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/intel/fm10k/fm10k_dcbnl.c

 // SPDX-License-Identifier: GPL-2.0
-/* Copyright(c) 2013 - 2018 Intel Corporation. */
+/* Copyright(c) 2013 - 2019 Intel Corporation. */
 
 #include "fm10k.h"
 
@@ -36,7 +36,7 @@ static int fm10k_dcbnl_ieee_getets(struct net_device *dev, struct ieee_ets *ets)
 static int fm10k_dcbnl_ieee_setets(struct net_device *dev, struct ieee_ets *ets)
 {
 	u8 num_tc = 0;
-	int i, err;
+	int i;
 
 	/* verify type and determine num_tcs needed */
 	for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
@@ -57,7 +57,7 @@ static int fm10k_dcbnl_ieee_setets(struct net_device *dev, struct ieee_ets *ets)
 
 	/* update TC hardware mapping if necessary */
 	if (num_tc != netdev_get_num_tc(dev)) {
-		err = fm10k_setup_tc(dev, num_tc);
+		int err = fm10k_setup_tc(dev, num_tc);
 		if (err)
 			return err;
 	}

drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c

 // SPDX-License-Identifier: GPL-2.0
-/* Copyright(c) 2013 - 2018 Intel Corporation. */
+/* Copyright(c) 2013 - 2019 Intel Corporation. */
 
 #include <linux/vmalloc.h>
 
@@ -222,7 +222,6 @@ static void __fm10k_add_ethtool_stats(u64 **data, void *pointer,
 				      const unsigned int size)
 {
 	unsigned int i;
-	char *p;
 
 	if (!pointer) {
 		/* memory is not zero allocated so we have to clear it */
@@ -232,7 +231,7 @@ static void __fm10k_add_ethtool_stats(u64 **data, void *pointer,
 	}
 
 	for (i = 0; i < size; i++) {
-		p = (char *)pointer + stats[i].stat_offset;
+		char *p = (char *)pointer + stats[i].stat_offset;
 
 		switch (stats[i].sizeof_stat) {
 		case sizeof(u64):
@@ -651,7 +650,6 @@ static int fm10k_set_coalesce(struct net_device *dev,
 			      struct ethtool_coalesce *ec)
 {
 	struct fm10k_intfc *interface = netdev_priv(dev);
-	struct fm10k_q_vector *qv;
 	u16 tx_itr, rx_itr;
 	int i;
 
@@ -677,7 +675,8 @@ static int fm10k_set_coalesce(struct net_device *dev,
 
 	/* update q_vectors */
 	for (i = 0; i < interface->num_q_vectors; i++) {
-		qv = interface->q_vector[i];
+		struct fm10k_q_vector *qv = interface->q_vector[i];
+
 		qv->tx.itr = tx_itr;
 		qv->rx.itr = rx_itr;
 	}

drivers/net/ethernet/intel/fm10k/fm10k_iov.c

 // SPDX-License-Identifier: GPL-2.0
-/* Copyright(c) 2013 - 2018 Intel Corporation. */
+/* Copyright(c) 2013 - 2019 Intel Corporation. */
 
 #include "fm10k.h"
 #include "fm10k_vf.h"
@@ -426,7 +426,7 @@ static s32 fm10k_iov_alloc_data(struct pci_dev *pdev, int num_vfs)
 	struct fm10k_iov_data *iov_data = interface->iov_data;
 	struct fm10k_hw *hw = &interface->hw;
 	size_t size;
-	int i, err;
+	int i;
 
 	/* return error if iov_data is already populated */
 	if (iov_data)
@@ -452,6 +452,7 @@ static s32 fm10k_iov_alloc_data(struct pci_dev *pdev, int num_vfs)
 	/* loop through vf_info structures initializing each entry */
 	for (i = 0; i < num_vfs; i++) {
 		struct fm10k_vf_info *vf_info = &iov_data->vf_info[i];
+		int err;
 
 		/* Record VF VSI value */
 		vf_info->vsi = i + 1;

drivers/net/ethernet/intel/fm10k/fm10k_main.c

 // SPDX-License-Identifier: GPL-2.0
-/* Copyright(c) 2013 - 2018 Intel Corporation. */
+/* Copyright(c) 2013 - 2019 Intel Corporation. */
 
 #include <linux/types.h>
 #include <linux/module.h>
@@ -17,7 +17,7 @@ const char fm10k_driver_version[] = DRV_VERSION;
 char fm10k_driver_name[] = "fm10k";
 static const char fm10k_driver_string[] = DRV_SUMMARY;
 static const char fm10k_copyright[] =
-	"Copyright(c) 2013 - 2018 Intel Corporation.";
+	"Copyright(c) 2013 - 2019 Intel Corporation.";
 
 MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
 MODULE_DESCRIPTION(DRV_SUMMARY);
@@ -1870,7 +1870,7 @@ static int fm10k_init_msix_capability(struct fm10k_intfc *interface)
 static bool fm10k_cache_ring_qos(struct fm10k_intfc *interface)
 {
 	struct net_device *dev = interface->netdev;
-	int pc, offset, rss_i, i, q_idx;
+	int pc, offset, rss_i, i;
 	u16 pc_stride = interface->ring_feature[RING_F_QOS].mask + 1;
 	u8 num_pcs = netdev_get_num_tc(dev);
 
@@ -1880,7 +1880,8 @@ static bool fm10k_cache_ring_qos(struct fm10k_intfc *interface)
 	rss_i = interface->ring_feature[RING_F_RSS].indices;
 
 	for (pc = 0, offset = 0; pc < num_pcs; pc++, offset += rss_i) {
-		q_idx = pc;
+		int q_idx = pc;
+
 		for (i = 0; i < rss_i; i++) {
 			interface->tx_ring[offset + i]->reg_idx = q_idx;
 			interface->tx_ring[offset + i]->qos_pc = pc;

drivers/net/ethernet/intel/fm10k/fm10k_mbx.c

@@ -297,13 +297,14 @@ static u16 fm10k_mbx_validate_msg_size(struct fm10k_mbx_info *mbx, u16 len)
 {
 	struct fm10k_mbx_fifo *fifo = &mbx->rx;
 	u16 total_len = 0, msg_len;
-	u32 *msg;
 
 	/* length should include previous amounts pushed */
 	len += mbx->pushed;
 
 	/* offset in message is based off of current message size */
 	do {
+		u32 *msg;
+
 		msg = fifo->buffer + fm10k_fifo_tail_offset(fifo, total_len);
 		msg_len = FM10K_TLV_DWORD_LEN(*msg);
 		total_len += msg_len;
@@ -1920,7 +1921,6 @@ static void fm10k_sm_mbx_transmit(struct fm10k_hw *hw,
 	/* reduce length by 1 to convert to a mask */
 	u16 mbmem_len = mbx->mbmem_len - 1;
 	u16 tail_len, len = 0;
-	u32 *msg;
 
 	/* push head behind tail */
 	if (mbx->tail < head)
@@ -1930,6 +1930,8 @@ static void fm10k_sm_mbx_transmit(struct fm10k_hw *hw,
 
 	/* determine msg aligned offset for end of buffer */
 	do {
+		u32 *msg;
+
 		msg = fifo->buffer + fm10k_fifo_head_offset(fifo, len);
 		tail_len = len;
 		len += FM10K_TLV_DWORD_LEN(*msg);

drivers/net/ethernet/intel/fm10k/fm10k_netdev.c

@@ -169,7 +169,6 @@ void fm10k_unmap_and_free_tx_resource(struct fm10k_ring *ring,
  **/
 static void fm10k_clean_tx_ring(struct fm10k_ring *tx_ring)
 {
-	struct fm10k_tx_buffer *tx_buffer;
 	unsigned long size;
 	u16 i;
 
@@ -179,7 +178,8 @@ static void fm10k_clean_tx_ring(struct fm10k_ring *tx_ring)
 
 	/* Free all the Tx ring sk_buffs */
 	for (i = 0; i < tx_ring->count; i++) {
-		tx_buffer = &tx_ring->tx_buffer[i];
+		struct fm10k_tx_buffer *tx_buffer = &tx_ring->tx_buffer[i];
+
 		fm10k_unmap_and_free_tx_resource(tx_ring, tx_buffer);
 	}
 
@@ -1444,11 +1444,11 @@ static int __fm10k_setup_tc(struct net_device *dev, enum tc_setup_type type,
 static void fm10k_assign_l2_accel(struct fm10k_intfc *interface,
 				  struct fm10k_l2_accel *l2_accel)
 {
-	struct fm10k_ring *ring;
 	int i;
 
 	for (i = 0; i < interface->num_rx_queues; i++) {
-		ring = interface->rx_ring[i];
+		struct fm10k_ring *ring = interface->rx_ring[i];
+
 		rcu_assign_pointer(ring->l2_accel, l2_accel);
 	}
 

drivers/net/ethernet/intel/fm10k/fm10k_pci.c

 // SPDX-License-Identifier: GPL-2.0
-/* Copyright(c) 2013 - 2018 Intel Corporation. */
+/* Copyright(c) 2013 - 2019 Intel Corporation. */
 
 #include <linux/module.h>
 #include <linux/interrupt.h>
@@ -344,7 +344,6 @@ static void fm10k_detach_subtask(struct fm10k_intfc *interface)
 	struct net_device *netdev = interface->netdev;
 	u32 __iomem *hw_addr;
 	u32 value;
-	int err;
 
 	/* do nothing if netdev is still present or hw_addr is set */
 	if (netif_device_present(netdev) || interface->hw.hw_addr)
@@ -362,6 +361,8 @@ static void fm10k_detach_subtask(struct fm10k_intfc *interface)
 	hw_addr = READ_ONCE(interface->uc_addr);
 	value = readl(hw_addr);
 	if (~value) {
+		int err;
+
 		/* Make sure the reset was initiated because we detached,
 		 * otherwise we might race with a different reset flow.
 		 */
@@ -697,8 +698,6 @@ static void fm10k_watchdog_subtask(struct fm10k_intfc *interface)
  */
 static void fm10k_check_hang_subtask(struct fm10k_intfc *interface)
 {
-	int i;
-
 	/* If we're down or resetting, just bail */
 	if (test_bit(__FM10K_DOWN, interface->state) ||
 	    test_bit(__FM10K_RESETTING, interface->state))
@@ -710,6 +709,8 @@ static void fm10k_check_hang_subtask(struct fm10k_intfc *interface)
 	interface->next_tx_hang_check = jiffies + (2 * HZ);
 
 	if (netif_carrier_ok(interface->netdev)) {
+		int i;
+
 		/* Force detection of hung controller */
 		for (i = 0; i < interface->num_tx_queues; i++)
 			set_check_for_tx_hang(interface->tx_ring[i]);

drivers/net/ethernet/intel/fm10k/fm10k_pf.c

@@ -1352,7 +1352,6 @@ s32 fm10k_iov_msg_lport_state_pf(struct fm10k_hw *hw, u32 **results,
 				 struct fm10k_mbx_info *mbx)
 {
 	struct fm10k_vf_info *vf_info = (struct fm10k_vf_info *)mbx;
-	u32 *result;
 	s32 err = 0;
 	u32 msg[2];
 	u8 mode = 0;
@@ -1362,7 +1361,7 @@ s32 fm10k_iov_msg_lport_state_pf(struct fm10k_hw *hw, u32 **results,
 		return FM10K_ERR_PARAM;
 
 	if (!!results[FM10K_LPORT_STATE_MSG_XCAST_MODE]) {
-		result = results[FM10K_LPORT_STATE_MSG_XCAST_MODE];
+		u32 *result = results[FM10K_LPORT_STATE_MSG_XCAST_MODE];
 
 		/* XCAST mode update requested */
 		err = fm10k_tlv_attr_get_u8(result, &mode);