Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/jkirsher/net-next-2.6

drivers/net/e100.c

@@ -1512,7 +1512,7 @@ static int e100_phy_init(struct nic *nic)
 
 static int e100_hw_init(struct nic *nic)
 {
-	int err;
+	int err = 0;
 
 	e100_hw_reset(nic);
 

drivers/net/igb/e1000_82575.c

@@ -244,6 +244,14 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
 	 */
 	size += NVM_WORD_SIZE_BASE_SHIFT;
 
+	/*
+	 * Check for invalid size
+	 */
+	if ((hw->mac.type == e1000_82576) && (size > 15)) {
+		printk("igb: The NVM size is not valid, "
+			"defaulting to 32K.\n");
+		size = 15;
+	}
 	nvm->word_size = 1 << size;
 	if (nvm->word_size == (1 << 15))
 		nvm->page_size = 128;

drivers/net/igbvf/ethtool.c

@@ -391,11 +391,6 @@ static int igbvf_set_wol(struct net_device *netdev,
 	return -EOPNOTSUPP;
 }
 
-static int igbvf_phys_id(struct net_device *netdev, u32 data)
-{
-	return 0;
-}
-
 static int igbvf_get_coalesce(struct net_device *netdev,
                               struct ethtool_coalesce *ec)
 {
@@ -527,7 +522,6 @@ static const struct ethtool_ops igbvf_ethtool_ops = {
 	.self_test		= igbvf_diag_test,
 	.get_sset_count		= igbvf_get_sset_count,
 	.get_strings		= igbvf_get_strings,
-	.phys_id		= igbvf_phys_id,
 	.get_ethtool_stats	= igbvf_get_ethtool_stats,
 	.get_coalesce		= igbvf_get_coalesce,
 	.set_coalesce		= igbvf_set_coalesce,

drivers/net/ixgb/ixgb.h

@@ -157,9 +157,6 @@ struct ixgb_adapter {
 	u16 link_duplex;
 	struct work_struct tx_timeout_task;
 
-	struct timer_list blink_timer;
-	unsigned long led_status;
-
 	/* TX */
 	struct ixgb_desc_ring tx_ring ____cacheline_aligned_in_smp;
 	unsigned int restart_queue;

drivers/net/ixgb/ixgb_ethtool.c

@@ -611,45 +611,23 @@ ixgb_set_ringparam(struct net_device *netdev,
 	return err;
 }
 
-/* toggle LED 4 times per second = 2 "blinks" per second */
-#define IXGB_ID_INTERVAL	(HZ/4)
-
-/* bit defines for adapter->led_status */
-#define IXGB_LED_ON		0
-
-static void
-ixgb_led_blink_callback(unsigned long data)
-{
-	struct ixgb_adapter *adapter = (struct ixgb_adapter *)data;
-
-	if (test_and_change_bit(IXGB_LED_ON, &adapter->led_status))
-		ixgb_led_off(&adapter->hw);
-	else
-		ixgb_led_on(&adapter->hw);
-
-	mod_timer(&adapter->blink_timer, jiffies + IXGB_ID_INTERVAL);
-}
-
 static int
-ixgb_phys_id(struct net_device *netdev, u32 data)
+ixgb_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
 {
 	struct ixgb_adapter *adapter = netdev_priv(netdev);
 
-	if (!data)
-		data = INT_MAX;
-
-	if (!adapter->blink_timer.function) {
-		init_timer(&adapter->blink_timer);
-		adapter->blink_timer.function = ixgb_led_blink_callback;
-		adapter->blink_timer.data = (unsigned long)adapter;
-	}
+	switch (state) {
+	case ETHTOOL_ID_ACTIVE:
+		return 2;
 
-	mod_timer(&adapter->blink_timer, jiffies);
+	case ETHTOOL_ID_ON:
+		ixgb_led_on(&adapter->hw);
+		break;
 
-	msleep_interruptible(data * 1000);
-	del_timer_sync(&adapter->blink_timer);
+	case ETHTOOL_ID_OFF:
+	case ETHTOOL_ID_INACTIVE:
 		ixgb_led_off(&adapter->hw);
-	clear_bit(IXGB_LED_ON, &adapter->led_status);
+	}
 
 	return 0;
 }
@@ -767,7 +745,7 @@ static const struct ethtool_ops ixgb_ethtool_ops = {
 	.set_msglevel = ixgb_set_msglevel,
 	.set_tso = ixgb_set_tso,
 	.get_strings = ixgb_get_strings,
-	.phys_id = ixgb_phys_id,
+	.set_phys_id = ixgb_set_phys_id,
 	.get_sset_count = ixgb_get_sset_count,
 	.get_ethtool_stats = ixgb_get_ethtool_stats,
 	.get_flags = ethtool_op_get_flags,

drivers/net/ixgbe/ixgbe_82598.c

@@ -1281,6 +1281,7 @@ static struct ixgbe_mac_operations mac_ops_82598 = {
 static struct ixgbe_eeprom_operations eeprom_ops_82598 = {
 	.init_params		= &ixgbe_init_eeprom_params_generic,
 	.read			= &ixgbe_read_eerd_generic,
+	.read_buffer		= &ixgbe_read_eerd_buffer_generic,
 	.calc_checksum          = &ixgbe_calc_eeprom_checksum_generic,
 	.validate_checksum	= &ixgbe_validate_eeprom_checksum_generic,
 	.update_checksum	= &ixgbe_update_eeprom_checksum_generic,

drivers/net/ixgbe/ixgbe_82599.c

@@ -110,7 +110,6 @@ static s32 ixgbe_setup_sfp_modules_82599(struct ixgbe_hw *hw)
 
 		ret_val = ixgbe_get_sfp_init_sequence_offsets(hw, &list_offset,
 		                                              &data_offset);
-
 		if (ret_val != 0)
 			goto setup_sfp_out;
 
@@ -130,7 +129,7 @@ static s32 ixgbe_setup_sfp_modules_82599(struct ixgbe_hw *hw)
 		}
 
 		/* Release the semaphore */
-		ixgbe_release_swfw_sync(hw, IXGBE_GSSR_MAC_CSR_SM);
+		hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_MAC_CSR_SM);
 		/*
 		 * Delay obtaining semaphore again to allow FW access,
 		 * semaphore_delay is in ms usleep_range needs us.
@@ -2064,6 +2063,39 @@ static bool ixgbe_verify_lesm_fw_enabled_82599(struct ixgbe_hw *hw)
 	return lesm_enabled;
 }
 
+/**
+ *  ixgbe_read_eeprom_buffer_82599 - Read EEPROM word(s) using
+ *  fastest available method
+ *
+ *  @hw: pointer to hardware structure
+ *  @offset: offset of  word in EEPROM to read
+ *  @words: number of words
+ *  @data: word(s) read from the EEPROM
+ *
+ *  Retrieves 16 bit word(s) read from EEPROM
+ **/
+static s32 ixgbe_read_eeprom_buffer_82599(struct ixgbe_hw *hw, u16 offset,
+					  u16 words, u16 *data)
+{
+	struct ixgbe_eeprom_info *eeprom = &hw->eeprom;
+	s32 ret_val = IXGBE_ERR_CONFIG;
+
+	/*
+	 * If EEPROM is detected and can be addressed using 14 bits,
+	 * use EERD otherwise use bit bang
+	 */
+	if ((eeprom->type == ixgbe_eeprom_spi) &&
+	    (offset + (words - 1) <= IXGBE_EERD_MAX_ADDR))
+		ret_val = ixgbe_read_eerd_buffer_generic(hw, offset, words,
+							 data);
+	else
+		ret_val = ixgbe_read_eeprom_buffer_bit_bang_generic(hw, offset,
+								    words,
+								    data);
+
+	return ret_val;
+}
+
 /**
  *  ixgbe_read_eeprom_82599 - Read EEPROM word using
  *  fastest available method
@@ -2140,7 +2172,9 @@ static struct ixgbe_mac_operations mac_ops_82599 = {
 static struct ixgbe_eeprom_operations eeprom_ops_82599 = {
 	.init_params		= &ixgbe_init_eeprom_params_generic,
 	.read			= &ixgbe_read_eeprom_82599,
+	.read_buffer		= &ixgbe_read_eeprom_buffer_82599,
 	.write			= &ixgbe_write_eeprom_generic,
+	.write_buffer		= &ixgbe_write_eeprom_buffer_bit_bang_generic,
 	.calc_checksum		= &ixgbe_calc_eeprom_checksum_generic,
 	.validate_checksum	= &ixgbe_validate_eeprom_checksum_generic,
 	.update_checksum	= &ixgbe_update_eeprom_checksum_generic,

drivers/net/ixgbe/ixgbe_common.c

@@ -55,6 +55,12 @@ static s32 ixgbe_negotiate_fc(struct ixgbe_hw *hw, u32 adv_reg, u32 lp_reg,
 			      u32 adv_sym, u32 adv_asm, u32 lp_sym, u32 lp_asm);
 static s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num);
 static s32 ixgbe_poll_eerd_eewr_done(struct ixgbe_hw *hw, u32 ee_reg);
+static s32 ixgbe_read_eeprom_buffer_bit_bang(struct ixgbe_hw *hw, u16 offset,
+					     u16 words, u16 *data);
+static s32 ixgbe_write_eeprom_buffer_bit_bang(struct ixgbe_hw *hw, u16 offset,
+					     u16 words, u16 *data);
+static s32 ixgbe_detect_eeprom_page_size_generic(struct ixgbe_hw *hw,
+						 u16 offset);
 
 /**
  *  ixgbe_start_hw_generic - Prepare hardware for Tx/Rx
@@ -585,6 +591,8 @@ s32 ixgbe_init_eeprom_params_generic(struct ixgbe_hw *hw)
 		/* Set default semaphore delay to 10ms which is a well
 		 * tested value */
 		eeprom->semaphore_delay = 10;
+		/* Clear EEPROM page size, it will be initialized as needed */
+		eeprom->word_page_size = 0;
 
 		/*
 		 * Check for EEPROM present first.
@@ -617,26 +625,78 @@ s32 ixgbe_init_eeprom_params_generic(struct ixgbe_hw *hw)
 }
 
 /**
- *  ixgbe_write_eeprom_generic - Writes 16 bit value to EEPROM
+ *  ixgbe_write_eeprom_buffer_bit_bang_generic - Write EEPROM using bit-bang
  *  @hw: pointer to hardware structure
- *  @offset: offset within the EEPROM to be written to
- *  @data: 16 bit word to be written to the EEPROM
+ *  @offset: offset within the EEPROM to write
+ *  @words: number of words
+ *  @data: 16 bit word(s) to write to EEPROM
  *
- *  If ixgbe_eeprom_update_checksum is not called after this function, the
- *  EEPROM will most likely contain an invalid checksum.
+ *  Reads 16 bit word(s) from EEPROM through bit-bang method
  **/
-s32 ixgbe_write_eeprom_generic(struct ixgbe_hw *hw, u16 offset, u16 data)
+s32 ixgbe_write_eeprom_buffer_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,
+					       u16 words, u16 *data)
 {
-	s32 status;
-	u8 write_opcode = IXGBE_EEPROM_WRITE_OPCODE_SPI;
+	s32 status = 0;
+	u16 i, count;
 
 	hw->eeprom.ops.init_params(hw);
 
-	if (offset >= hw->eeprom.word_size) {
+	if (words == 0) {
+		status = IXGBE_ERR_INVALID_ARGUMENT;
+		goto out;
+	}
+
+	if (offset + words > hw->eeprom.word_size) {
 		status = IXGBE_ERR_EEPROM;
 		goto out;
 	}
 
+	/*
+	 * The EEPROM page size cannot be queried from the chip. We do lazy
+	 * initialization. It is worth to do that when we write large buffer.
+	 */
+	if ((hw->eeprom.word_page_size == 0) &&
+	    (words > IXGBE_EEPROM_PAGE_SIZE_MAX))
+		ixgbe_detect_eeprom_page_size_generic(hw, offset);
+
+	/*
+	 * We cannot hold synchronization semaphores for too long
+	 * to avoid other entity starvation. However it is more efficient
+	 * to read in bursts than synchronizing access for each word.
+	 */
+	for (i = 0; i < words; i += IXGBE_EEPROM_RD_BUFFER_MAX_COUNT) {
+		count = (words - i) / IXGBE_EEPROM_RD_BUFFER_MAX_COUNT > 0 ?
+			 IXGBE_EEPROM_RD_BUFFER_MAX_COUNT : (words - i);
+		status = ixgbe_write_eeprom_buffer_bit_bang(hw, offset + i,
+							    count, &data[i]);
+
+		if (status != 0)
+			break;
+	}
+
+out:
+	return status;
+}
+
+/**
+ *  ixgbe_write_eeprom_buffer_bit_bang - Writes 16 bit word(s) to EEPROM
+ *  @hw: pointer to hardware structure
+ *  @offset: offset within the EEPROM to be written to
+ *  @words: number of word(s)
+ *  @data: 16 bit word(s) to be written to the EEPROM
+ *
+ *  If ixgbe_eeprom_update_checksum is not called after this function, the
+ *  EEPROM will most likely contain an invalid checksum.
+ **/
+static s32 ixgbe_write_eeprom_buffer_bit_bang(struct ixgbe_hw *hw, u16 offset,
+					      u16 words, u16 *data)
+{
+	s32 status;
+	u16 word;
+	u16 page_size;
+	u16 i;
+	u8 write_opcode = IXGBE_EEPROM_WRITE_OPCODE_SPI;
+
 	/* Prepare the EEPROM for writing  */
 	status = ixgbe_acquire_eeprom(hw);
 
@@ -648,54 +708,69 @@ s32 ixgbe_write_eeprom_generic(struct ixgbe_hw *hw, u16 offset, u16 data)
 	}
 
 	if (status == 0) {
+		for (i = 0; i < words; i++) {
 			ixgbe_standby_eeprom(hw);
 
 			/*  Send the WRITE ENABLE command (8 bit opcode )  */
-		ixgbe_shift_out_eeprom_bits(hw, IXGBE_EEPROM_WREN_OPCODE_SPI,
+			ixgbe_shift_out_eeprom_bits(hw,
+						  IXGBE_EEPROM_WREN_OPCODE_SPI,
 						  IXGBE_EEPROM_OPCODE_BITS);
 
 			ixgbe_standby_eeprom(hw);
 
 			/*
-		 * Some SPI eeproms use the 8th address bit embedded in the
-		 * opcode
+			 * Some SPI eeproms use the 8th address bit embedded
+			 * in the opcode
 			 */
-		if ((hw->eeprom.address_bits == 8) && (offset >= 128))
+			if ((hw->eeprom.address_bits == 8) &&
+			    ((offset + i) >= 128))
 				write_opcode |= IXGBE_EEPROM_A8_OPCODE_SPI;
 
 			/* Send the Write command (8-bit opcode + addr) */
 			ixgbe_shift_out_eeprom_bits(hw, write_opcode,
 						    IXGBE_EEPROM_OPCODE_BITS);
-		ixgbe_shift_out_eeprom_bits(hw, (u16)(offset*2),
+			ixgbe_shift_out_eeprom_bits(hw, (u16)((offset + i) * 2),
 						    hw->eeprom.address_bits);
 
-		/* Send the data */
-		data = (data >> 8) | (data << 8);
-		ixgbe_shift_out_eeprom_bits(hw, data, 16);
-		ixgbe_standby_eeprom(hw);
+			page_size = hw->eeprom.word_page_size;
 
+			/* Send the data in burst via SPI*/
+			do {
+				word = data[i];
+				word = (word >> 8) | (word << 8);
+				ixgbe_shift_out_eeprom_bits(hw, word, 16);
+
+				if (page_size == 0)
+					break;
+
+				/* do not wrap around page */
+				if (((offset + i) & (page_size - 1)) ==
+				    (page_size - 1))
+					break;
+			} while (++i < words);
+
+			ixgbe_standby_eeprom(hw);
+			usleep_range(10000, 20000);
+		}
 		/* Done with writing - release the EEPROM */
 		ixgbe_release_eeprom(hw);
 	}
 
-out:
 	return status;
 }
 
 /**
- *  ixgbe_read_eeprom_bit_bang_generic - Read EEPROM word using bit-bang
+ *  ixgbe_write_eeprom_generic - Writes 16 bit value to EEPROM
  *  @hw: pointer to hardware structure
- *  @offset: offset within the EEPROM to be read
- *  @data: read 16 bit value from EEPROM
+ *  @offset: offset within the EEPROM to be written to
+ *  @data: 16 bit word to be written to the EEPROM
  *
- *  Reads 16 bit value from EEPROM through bit-bang method
+ *  If ixgbe_eeprom_update_checksum is not called after this function, the
+ *  EEPROM will most likely contain an invalid checksum.
  **/
-s32 ixgbe_read_eeprom_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,
-                                       u16 *data)
+s32 ixgbe_write_eeprom_generic(struct ixgbe_hw *hw, u16 offset, u16 data)
 {
 	s32 status;
-	u16 word_in;
-	u8 read_opcode = IXGBE_EEPROM_READ_OPCODE_SPI;
 
 	hw->eeprom.ops.init_params(hw);
 
@@ -704,6 +779,76 @@ s32 ixgbe_read_eeprom_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,
 		goto out;
 	}
 
+	status = ixgbe_write_eeprom_buffer_bit_bang(hw, offset, 1, &data);
+
+out:
+	return status;
+}
+
+/**
+ *  ixgbe_read_eeprom_buffer_bit_bang_generic - Read EEPROM using bit-bang
+ *  @hw: pointer to hardware structure
+ *  @offset: offset within the EEPROM to be read
+ *  @words: number of word(s)
+ *  @data: read 16 bit words(s) from EEPROM
+ *
+ *  Reads 16 bit word(s) from EEPROM through bit-bang method
+ **/
+s32 ixgbe_read_eeprom_buffer_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,
+					      u16 words, u16 *data)
+{
+	s32 status = 0;
+	u16 i, count;
+
+	hw->eeprom.ops.init_params(hw);
+
+	if (words == 0) {
+		status = IXGBE_ERR_INVALID_ARGUMENT;
+		goto out;
+	}
+
+	if (offset + words > hw->eeprom.word_size) {
+		status = IXGBE_ERR_EEPROM;
+		goto out;
+	}
+
+	/*
+	 * We cannot hold synchronization semaphores for too long
+	 * to avoid other entity starvation. However it is more efficient
+	 * to read in bursts than synchronizing access for each word.
+	 */
+	for (i = 0; i < words; i += IXGBE_EEPROM_RD_BUFFER_MAX_COUNT) {
+		count = (words - i) / IXGBE_EEPROM_RD_BUFFER_MAX_COUNT > 0 ?
+			 IXGBE_EEPROM_RD_BUFFER_MAX_COUNT : (words - i);
+
+		status = ixgbe_read_eeprom_buffer_bit_bang(hw, offset + i,
+							   count, &data[i]);
+
+		if (status != 0)
+			break;
+	}
+
+out:
+	return status;
+}
+
+/**
+ *  ixgbe_read_eeprom_buffer_bit_bang - Read EEPROM using bit-bang
+ *  @hw: pointer to hardware structure
+ *  @offset: offset within the EEPROM to be read
+ *  @words: number of word(s)
+ *  @data: read 16 bit word(s) from EEPROM
+ *
+ *  Reads 16 bit word(s) from EEPROM through bit-bang method
+ **/
+static s32 ixgbe_read_eeprom_buffer_bit_bang(struct ixgbe_hw *hw, u16 offset,
+					     u16 words, u16 *data)
+{
+	s32 status;
+	u16 word_in;
+	u8 read_opcode = IXGBE_EEPROM_READ_OPCODE_SPI;
+	u16 i;
+
 	/* Prepare the EEPROM for reading  */
 	status = ixgbe_acquire_eeprom(hw);
 
@@ -715,91 +860,194 @@ s32 ixgbe_read_eeprom_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,
 	}
 
 	if (status == 0) {
+		for (i = 0; i < words; i++) {
 			ixgbe_standby_eeprom(hw);
-
 			/*
-		 * Some SPI eeproms use the 8th address bit embedded in the
-		 * opcode
+			 * Some SPI eeproms use the 8th address bit embedded
+			 * in the opcode
 			 */
-		if ((hw->eeprom.address_bits == 8) && (offset >= 128))
+			if ((hw->eeprom.address_bits == 8) &&
+			    ((offset + i) >= 128))
 				read_opcode |= IXGBE_EEPROM_A8_OPCODE_SPI;
 
 			/* Send the READ command (opcode + addr) */
 			ixgbe_shift_out_eeprom_bits(hw, read_opcode,
 						    IXGBE_EEPROM_OPCODE_BITS);
-		ixgbe_shift_out_eeprom_bits(hw, (u16)(offset*2),
+			ixgbe_shift_out_eeprom_bits(hw, (u16)((offset + i) * 2),
 						    hw->eeprom.address_bits);
 
 			/* Read the data. */
 			word_in = ixgbe_shift_in_eeprom_bits(hw, 16);
-		*data = (word_in >> 8) | (word_in << 8);
+			data[i] = (word_in >> 8) | (word_in << 8);
+		}
 
 		/* End this read operation */
 		ixgbe_release_eeprom(hw);
 	}
 
+	return status;
+}
+
+/**
+ *  ixgbe_read_eeprom_bit_bang_generic - Read EEPROM word using bit-bang
+ *  @hw: pointer to hardware structure
+ *  @offset: offset within the EEPROM to be read
+ *  @data: read 16 bit value from EEPROM
+ *
+ *  Reads 16 bit value from EEPROM through bit-bang method
+ **/
+s32 ixgbe_read_eeprom_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,
+				       u16 *data)
+{
+	s32 status;
+
+	hw->eeprom.ops.init_params(hw);
+
+	if (offset >= hw->eeprom.word_size) {
+		status = IXGBE_ERR_EEPROM;
+		goto out;
+	}
+
+	status = ixgbe_read_eeprom_buffer_bit_bang(hw, offset, 1, data);
+
 out:
 	return status;
 }
 
 /**
- *  ixgbe_read_eerd_generic - Read EEPROM word using EERD
+ *  ixgbe_read_eerd_buffer_generic - Read EEPROM word(s) using EERD
  *  @hw: pointer to hardware structure
  *  @offset: offset of word in the EEPROM to read
- *  @data: word read from the EEPROM
+ *  @words: number of word(s)
+ *  @data: 16 bit word(s) from the EEPROM
  *
- *  Reads a 16 bit word from the EEPROM using the EERD register.
+ *  Reads a 16 bit word(s) from the EEPROM using the EERD register.
  **/
-s32 ixgbe_read_eerd_generic(struct ixgbe_hw *hw, u16 offset, u16 *data)
+s32 ixgbe_read_eerd_buffer_generic(struct ixgbe_hw *hw, u16 offset,
+				   u16 words, u16 *data)
 {
 	u32 eerd;
-	s32 status;
+	s32 status = 0;
+	u32 i;
 
 	hw->eeprom.ops.init_params(hw);
 
+	if (words == 0) {
+		status = IXGBE_ERR_INVALID_ARGUMENT;
+		goto out;
+	}
+
 	if (offset >= hw->eeprom.word_size) {
 		status = IXGBE_ERR_EEPROM;
 		goto out;
 	}
 
-	eerd = (offset << IXGBE_EEPROM_RW_ADDR_SHIFT) +
+	for (i = 0; i < words; i++) {
+		eerd = ((offset + i) << IXGBE_EEPROM_RW_ADDR_SHIFT) +
 		       IXGBE_EEPROM_RW_REG_START;
 
 		IXGBE_WRITE_REG(hw, IXGBE_EERD, eerd);
 		status = ixgbe_poll_eerd_eewr_done(hw, IXGBE_NVM_POLL_READ);
 
-	if (status == 0)
-		*data = (IXGBE_READ_REG(hw, IXGBE_EERD) >>
+		if (status == 0) {
+			data[i] = (IXGBE_READ_REG(hw, IXGBE_EERD) >>
 				   IXGBE_EEPROM_RW_REG_DATA);
-	else
+		} else {
 			hw_dbg(hw, "Eeprom read timed out\n");
+			goto out;
+		}
+	}
+out:
+	return status;
+}
 
+/**
+ *  ixgbe_detect_eeprom_page_size_generic - Detect EEPROM page size
+ *  @hw: pointer to hardware structure
+ *  @offset: offset within the EEPROM to be used as a scratch pad
+ *
+ *  Discover EEPROM page size by writing marching data at given offset.
+ *  This function is called only when we are writing a new large buffer
+ *  at given offset so the data would be overwritten anyway.
+ **/
+static s32 ixgbe_detect_eeprom_page_size_generic(struct ixgbe_hw *hw,
+						 u16 offset)
+{
+	u16 data[IXGBE_EEPROM_PAGE_SIZE_MAX];
+	s32 status = 0;
+	u16 i;
+
+	for (i = 0; i < IXGBE_EEPROM_PAGE_SIZE_MAX; i++)
+		data[i] = i;
+
+	hw->eeprom.word_page_size = IXGBE_EEPROM_PAGE_SIZE_MAX;
+	status = ixgbe_write_eeprom_buffer_bit_bang(hw, offset,
+					     IXGBE_EEPROM_PAGE_SIZE_MAX, data);
+	hw->eeprom.word_page_size = 0;
+	if (status != 0)
+		goto out;
+
+	status = ixgbe_read_eeprom_buffer_bit_bang(hw, offset, 1, data);
+	if (status != 0)
+		goto out;
+
+	/*
+	 * When writing in burst more than the actual page size
+	 * EEPROM address wraps around current page.
+	 */
+	hw->eeprom.word_page_size = IXGBE_EEPROM_PAGE_SIZE_MAX - data[0];
+
+	hw_dbg(hw, "Detected EEPROM page size = %d words.",
+	       hw->eeprom.word_page_size);
 out:
 	return status;
 }
 
 /**
- *  ixgbe_write_eewr_generic - Write EEPROM word using EEWR
+ *  ixgbe_read_eerd_generic - Read EEPROM word using EERD
+ *  @hw: pointer to hardware structure
+ *  @offset: offset of  word in the EEPROM to read
+ *  @data: word read from the EEPROM
+ *
+ *  Reads a 16 bit word from the EEPROM using the EERD register.
+ **/
+s32 ixgbe_read_eerd_generic(struct ixgbe_hw *hw, u16 offset, u16 *data)
+{
+	return ixgbe_read_eerd_buffer_generic(hw, offset, 1, data);
+}
+
+/**
+ *  ixgbe_write_eewr_buffer_generic - Write EEPROM word(s) using EEWR
  *  @hw: pointer to hardware structure
  *  @offset: offset of  word in the EEPROM to write
- *  @data: word write to the EEPROM
+ *  @words: number of words
+ *  @data: word(s) write to the EEPROM
  *
- *  Write a 16 bit word to the EEPROM using the EEWR register.
+ *  Write a 16 bit word(s) to the EEPROM using the EEWR register.
  **/
-s32 ixgbe_write_eewr_generic(struct ixgbe_hw *hw, u16 offset, u16 data)
+s32 ixgbe_write_eewr_buffer_generic(struct ixgbe_hw *hw, u16 offset,
+				    u16 words, u16 *data)
 {
 	u32 eewr;
-	s32 status;
+	s32 status = 0;
+	u16 i;
 
 	hw->eeprom.ops.init_params(hw);
 
+	if (words == 0) {
+		status = IXGBE_ERR_INVALID_ARGUMENT;
+		goto out;
+	}
+
 	if (offset >= hw->eeprom.word_size) {
 		status = IXGBE_ERR_EEPROM;
 		goto out;
 	}
 
-	eewr = (offset << IXGBE_EEPROM_RW_ADDR_SHIFT) |
-	       (data << IXGBE_EEPROM_RW_REG_DATA) | IXGBE_EEPROM_RW_REG_START;
+	for (i = 0; i < words; i++) {
+		eewr = ((offset + i) << IXGBE_EEPROM_RW_ADDR_SHIFT) |
+		       (data[i] << IXGBE_EEPROM_RW_REG_DATA) |
+		       IXGBE_EEPROM_RW_REG_START;
 
 		status = ixgbe_poll_eerd_eewr_done(hw, IXGBE_NVM_POLL_WRITE);
 		if (status != 0) {
@@ -814,11 +1062,25 @@ s32 ixgbe_write_eewr_generic(struct ixgbe_hw *hw, u16 offset, u16 data)
 			hw_dbg(hw, "Eeprom write EEWR timed out\n");
 			goto out;
 		}
+	}
 
 out:
 	return status;
 }
 
+/**
+ *  ixgbe_write_eewr_generic - Write EEPROM word using EEWR
+ *  @hw: pointer to hardware structure
+ *  @offset: offset of  word in the EEPROM to write
+ *  @data: word write to the EEPROM
+ *
+ *  Write a 16 bit word to the EEPROM using the EEWR register.
+ **/
+s32 ixgbe_write_eewr_generic(struct ixgbe_hw *hw, u16 offset, u16 data)
+{
+	return ixgbe_write_eewr_buffer_generic(hw, offset, 1, &data);
+}
+
 /**
  *  ixgbe_poll_eerd_eewr_done - Poll EERD read or EEWR write status
  *  @hw: pointer to hardware structure

drivers/net/ixgbe/ixgbe_common.h

@@ -49,10 +49,18 @@ s32 ixgbe_led_off_generic(struct ixgbe_hw *hw, u32 index);
 
 s32 ixgbe_init_eeprom_params_generic(struct ixgbe_hw *hw);
 s32 ixgbe_write_eeprom_generic(struct ixgbe_hw *hw, u16 offset, u16 data);
+s32 ixgbe_write_eeprom_buffer_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,
+					       u16 words, u16 *data);
 s32 ixgbe_read_eerd_generic(struct ixgbe_hw *hw, u16 offset, u16 *data);
+s32 ixgbe_read_eerd_buffer_generic(struct ixgbe_hw *hw, u16 offset,
+				   u16 words, u16 *data);
 s32 ixgbe_write_eewr_generic(struct ixgbe_hw *hw, u16 offset, u16 data);
+s32 ixgbe_write_eewr_buffer_generic(struct ixgbe_hw *hw, u16 offset,
+				    u16 words, u16 *data);
 s32 ixgbe_read_eeprom_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,
                                        u16 *data);
+s32 ixgbe_read_eeprom_buffer_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,
+					      u16 words, u16 *data);
 u16 ixgbe_calc_eeprom_checksum_generic(struct ixgbe_hw *hw);
 s32 ixgbe_validate_eeprom_checksum_generic(struct ixgbe_hw *hw,
                                            u16 *checksum_val);

drivers/net/ixgbe/ixgbe_ethtool.c

@@ -847,11 +847,8 @@ static int ixgbe_get_eeprom(struct net_device *netdev,
 	if (!eeprom_buff)
 		return -ENOMEM;
 
-	for (i = 0; i < eeprom_len; i++) {
-		if ((ret_val = hw->eeprom.ops.read(hw, first_word + i,
-		    &eeprom_buff[i])))
-			break;
-	}
+	ret_val = hw->eeprom.ops.read_buffer(hw, first_word, eeprom_len,
+					     eeprom_buff);
 
 	/* Device's eeprom is always little-endian, word addressable */
 	for (i = 0; i < eeprom_len; i++)
@@ -1236,45 +1233,61 @@ static const struct ixgbe_reg_test reg_test_82598[] = {
 	{ 0, 0, 0, 0 }
 };
 
-static const u32 register_test_patterns[] = {
-	0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
-};
+static bool reg_pattern_test(struct ixgbe_adapter *adapter, u64 *data, int reg,
+			     u32 mask, u32 write)
+{
+	u32 pat, val, before;
+	static const u32 test_pattern[] = {
+		0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
+
+	for (pat = 0; pat < ARRAY_SIZE(test_pattern); pat++) {
+		before = readl(adapter->hw.hw_addr + reg);
+		writel((test_pattern[pat] & write),
+		       (adapter->hw.hw_addr + reg));
+		val = readl(adapter->hw.hw_addr + reg);
+		if (val != (test_pattern[pat] & write & mask)) {
+			e_err(drv, "pattern test reg %04X failed: got "
+			      "0x%08X expected 0x%08X\n",
+			      reg, val, (test_pattern[pat] & write & mask));
+			*data = reg;
+			writel(before, adapter->hw.hw_addr + reg);
+			return 1;
+		}
+		writel(before, adapter->hw.hw_addr + reg);
+	}
+	return 0;
+}
 
-#define REG_PATTERN_TEST(R, M, W)                                             \
-{                                                                             \
-	u32 pat, val, before;                                                 \
-	for (pat = 0; pat < ARRAY_SIZE(register_test_patterns); pat++) {      \
-		before = readl(adapter->hw.hw_addr + R);                      \
-		writel((register_test_patterns[pat] & W),                     \
-		       (adapter->hw.hw_addr + R));                            \
-		val = readl(adapter->hw.hw_addr + R);                         \
-		if (val != (register_test_patterns[pat] & W & M)) {           \
-			e_err(drv, "pattern test reg %04X failed: got "       \
-			      "0x%08X expected 0x%08X\n",                     \
-			      R, val, (register_test_patterns[pat] & W & M)); \
-			*data = R;                                            \
-			writel(before, adapter->hw.hw_addr + R);              \
-			return 1;                                             \
-		}                                                             \
-		writel(before, adapter->hw.hw_addr + R);                      \
-	}                                                                     \
+static bool reg_set_and_check(struct ixgbe_adapter *adapter, u64 *data, int reg,
+			      u32 mask, u32 write)
+{
+	u32 val, before;
+	before = readl(adapter->hw.hw_addr + reg);
+	writel((write & mask), (adapter->hw.hw_addr + reg));
+	val = readl(adapter->hw.hw_addr + reg);
+	if ((write & mask) != (val & mask)) {
+		e_err(drv, "set/check reg %04X test failed: got 0x%08X "
+		      "expected 0x%08X\n", reg, (val & mask), (write & mask));
+		*data = reg;
+		writel(before, (adapter->hw.hw_addr + reg));
+		return 1;
+	}
+	writel(before, (adapter->hw.hw_addr + reg));
+	return 0;
 }
 
-#define REG_SET_AND_CHECK(R, M, W)                                            \
-{                                                                             \
-	u32 val, before;                                                      \
-	before = readl(adapter->hw.hw_addr + R);                              \
-	writel((W & M), (adapter->hw.hw_addr + R));                           \
-	val = readl(adapter->hw.hw_addr + R);                                 \
-	if ((W & M) != (val & M)) {                                           \
-		e_err(drv, "set/check reg %04X test failed: got 0x%08X "  \
-		      "expected 0x%08X\n", R, (val & M), (W & M));        \
-		*data = R;                                                    \
-		writel(before, (adapter->hw.hw_addr + R));                    \
+#define REG_PATTERN_TEST(reg, mask, write)				      \
+	do {								      \
+		if (reg_pattern_test(adapter, data, reg, mask, write))	      \
 			return 1;					      \
-	}                                                                     \
-	writel(before, (adapter->hw.hw_addr + R));                            \
-}
+	} while (0)							      \
+
+
+#define REG_SET_AND_CHECK(reg, mask, write)				      \
+	do {								      \
+		if (reg_set_and_check(adapter, data, reg, mask, write))	      \
+			return 1;					      \
+	} while (0)							      \
 
 static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
 {

drivers/net/ixgbe/ixgbe_main.c

@@ -3862,9 +3862,10 @@ static void ixgbe_setup_gpie(struct ixgbe_adapter *adapter)
 	if (adapter->flags & IXGBE_FLAG_FAN_FAIL_CAPABLE)
 		gpie |= IXGBE_SDP1_GPIEN;
 
-	if (hw->mac.type == ixgbe_mac_82599EB)
+	if (hw->mac.type == ixgbe_mac_82599EB) {
 		gpie |= IXGBE_SDP1_GPIEN;
 		gpie |= IXGBE_SDP2_GPIEN;
+	}
 
 	IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie);
 }
@@ -7468,8 +7469,8 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
 
 	/* print bus type/speed/width info */
 	e_dev_info("(PCI Express:%s:%s) %pM\n",
-		   (hw->bus.speed == ixgbe_bus_speed_5000 ? "5.0Gb/s" :
-		    hw->bus.speed == ixgbe_bus_speed_2500 ? "2.5Gb/s" :
+		   (hw->bus.speed == ixgbe_bus_speed_5000 ? "5.0GT/s" :
+		    hw->bus.speed == ixgbe_bus_speed_2500 ? "2.5GT/s" :
 		    "Unknown"),
 		   (hw->bus.width == ixgbe_bus_width_pcie_x8 ? "Width x8" :
 		    hw->bus.width == ixgbe_bus_width_pcie_x4 ? "Width x4" :

drivers/net/ixgbe/ixgbe_phy.c

@@ -1222,7 +1222,7 @@ s32 ixgbe_read_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset,
 		swfw_mask = IXGBE_GSSR_PHY0_SM;
 
 	do {
-		if (ixgbe_acquire_swfw_sync(hw, swfw_mask) != 0) {
+		if (hw->mac.ops.acquire_swfw_sync(hw, swfw_mask) != 0) {
 			status = IXGBE_ERR_SWFW_SYNC;
 			goto read_byte_out;
 		}
@@ -1269,7 +1269,7 @@ s32 ixgbe_read_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset,
 		break;
 
 fail:
-		ixgbe_release_swfw_sync(hw, swfw_mask);
+		hw->mac.ops.release_swfw_sync(hw, swfw_mask);
 		msleep(100);
 		ixgbe_i2c_bus_clear(hw);
 		retry++;
@@ -1280,7 +1280,7 @@ s32 ixgbe_read_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset,
 
 	} while (retry < max_retry);
 
-	ixgbe_release_swfw_sync(hw, swfw_mask);
+	hw->mac.ops.release_swfw_sync(hw, swfw_mask);
 
 read_byte_out:
 	return status;
@@ -1308,7 +1308,7 @@ s32 ixgbe_write_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset,
 	else
 		swfw_mask = IXGBE_GSSR_PHY0_SM;
 
-	if (ixgbe_acquire_swfw_sync(hw, swfw_mask) != 0) {
+	if (hw->mac.ops.acquire_swfw_sync(hw, swfw_mask) != 0) {
 		status = IXGBE_ERR_SWFW_SYNC;
 		goto write_byte_out;
 	}
@@ -1352,7 +1352,7 @@ s32 ixgbe_write_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset,
 			hw_dbg(hw, "I2C byte write error.\n");
 	} while (retry < max_retry);
 
-	ixgbe_release_swfw_sync(hw, swfw_mask);
+	hw->mac.ops.release_swfw_sync(hw, swfw_mask);
 
 write_byte_out:
 	return status;

drivers/net/ixgbe/ixgbe_type.h

@@ -1668,6 +1668,10 @@
 
 #define IXGBE_ETH_LENGTH_OF_ADDRESS   6
 
+#define IXGBE_EEPROM_PAGE_SIZE_MAX       128
+#define IXGBE_EEPROM_RD_BUFFER_MAX_COUNT 512 /* EEPROM words # read in burst */
+#define IXGBE_EEPROM_WR_BUFFER_MAX_COUNT 256 /* EEPROM words # wr in burst */
+
 #ifndef IXGBE_EEPROM_GRANT_ATTEMPTS
 #define IXGBE_EEPROM_GRANT_ATTEMPTS 1000 /* EEPROM # attempts to gain grant */
 #endif
@@ -2563,7 +2567,9 @@ typedef u8* (*ixgbe_mc_addr_itr) (struct ixgbe_hw *hw, u8 **mc_addr_ptr,
 struct ixgbe_eeprom_operations {
 	s32 (*init_params)(struct ixgbe_hw *);
 	s32 (*read)(struct ixgbe_hw *, u16, u16 *);
+	s32 (*read_buffer)(struct ixgbe_hw *, u16, u16, u16 *);
 	s32 (*write)(struct ixgbe_hw *, u16, u16);
+	s32 (*write_buffer)(struct ixgbe_hw *, u16, u16, u16 *);
 	s32 (*validate_checksum)(struct ixgbe_hw *, u16 *);
 	s32 (*update_checksum)(struct ixgbe_hw *);
 	u16 (*calc_checksum)(struct ixgbe_hw *);
@@ -2649,6 +2655,7 @@ struct ixgbe_eeprom_info {
 	u32                             semaphore_delay;
 	u16                             word_size;
 	u16                             address_bits;
+	u16                             word_page_size;
 };
 
 #define IXGBE_FLAGS_DOUBLE_RESET_REQUIRED	0x01

drivers/net/ixgbe/ixgbe_x540.c

@@ -304,21 +304,49 @@ static s32 ixgbe_init_eeprom_params_X540(struct ixgbe_hw *hw)
 }
 
 /**
- * ixgbe_read_eerd_X540 - Read EEPROM word using EERD
+ *  ixgbe_read_eerd_X540- Read EEPROM word using EERD
  *  @hw: pointer to hardware structure
  *  @offset: offset of  word in the EEPROM to read
- * @data: word read from the EERPOM
+ *  @data: word read from the EEPROM
+ *
+ *  Reads a 16 bit word from the EEPROM using the EERD register.
  **/
 static s32 ixgbe_read_eerd_X540(struct ixgbe_hw *hw, u16 offset, u16 *data)
 {
-	s32 status;
+	s32 status = 0;
 
-	if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM) == 0)
+	if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM) ==
+	    0)
 		status = ixgbe_read_eerd_generic(hw, offset, data);
 	else
 		status = IXGBE_ERR_SWFW_SYNC;
 
-	ixgbe_release_swfw_sync_X540(hw, IXGBE_GSSR_EEP_SM);
+	hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
+	return status;
+}
+
+/**
+ *  ixgbe_read_eerd_buffer_X540 - Read EEPROM word(s) using EERD
+ *  @hw: pointer to hardware structure
+ *  @offset: offset of  word in the EEPROM to read
+ *  @words: number of words
+ *  @data: word(s) read from the EEPROM
+ *
+ *  Reads a 16 bit word(s) from the EEPROM using the EERD register.
+ **/
+static s32 ixgbe_read_eerd_buffer_X540(struct ixgbe_hw *hw,
+				       u16 offset, u16 words, u16 *data)
+{
+	s32 status = 0;
+
+	if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM) ==
+	    0)
+		status = ixgbe_read_eerd_buffer_generic(hw, offset,
+							words, data);
+	else
+		status = IXGBE_ERR_SWFW_SYNC;
+
+	hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
 	return status;
 }
 
@@ -343,6 +371,31 @@ static s32 ixgbe_write_eewr_X540(struct ixgbe_hw *hw, u16 offset, u16 data)
 	return status;
 }
 
+/**
+ *  ixgbe_write_eewr_buffer_X540 - Write EEPROM word(s) using EEWR
+ *  @hw: pointer to hardware structure
+ *  @offset: offset of  word in the EEPROM to write
+ *  @words: number of words
+ *  @data: word(s) write to the EEPROM
+ *
+ *  Write a 16 bit word(s) to the EEPROM using the EEWR register.
+ **/
+static s32 ixgbe_write_eewr_buffer_X540(struct ixgbe_hw *hw,
+					u16 offset, u16 words, u16 *data)
+{
+	s32 status = 0;
+
+	if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM) ==
+	    0)
+		status = ixgbe_write_eewr_buffer_generic(hw, offset,
+							 words, data);
+	else
+		status = IXGBE_ERR_SWFW_SYNC;
+
+	hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
+	return status;
+}
+
 /**
  *  ixgbe_calc_eeprom_checksum_X540 - Calculates and returns the checksum
  *
@@ -851,7 +904,9 @@ static struct ixgbe_mac_operations mac_ops_X540 = {
 static struct ixgbe_eeprom_operations eeprom_ops_X540 = {
 	.init_params            = &ixgbe_init_eeprom_params_X540,
 	.read                   = &ixgbe_read_eerd_X540,
+	.read_buffer		= &ixgbe_read_eerd_buffer_X540,
 	.write                  = &ixgbe_write_eewr_X540,
+	.write_buffer		= &ixgbe_write_eewr_buffer_X540,
 	.calc_checksum		= &ixgbe_calc_eeprom_checksum_X540,
 	.validate_checksum      = &ixgbe_validate_eeprom_checksum_X540,
 	.update_checksum        = &ixgbe_update_eeprom_checksum_X540,