svn commit: r299553 - head/sys/dev/ixl

Eric Joyner erj at FreeBSD.org
Thu May 12 18:21:36 UTC 2016


Author: erj
Date: Thu May 12 18:21:34 2016
New Revision: 299553
URL: https://svnweb.freebsd.org/changeset/base/299553

Log:
  ixl: Update to 1.4.20-k.
  
  Changes by author:
  
  Eric Joyner	ixl: Add more error messages/checks to ixl_vsi_assign_msix().
  Eric Joyner	ixl/ixlv: Clarify a comment about descriptors.
  Eric Joyner	ixl/ixlv: Improve i40e_debug() implementation.
  Eric Joyner	ixl/ixlv: Remove unused ASSERT() macro; move struct around.
  Eric Joyner	ixl: Set initial advertised speed value in init_locked().
  Eric Joyner	ixl: Fix flow control sysctl value being stored when new value is invalid.
  Eric Joyner	Edit comments and spacing.
  Carolyn Wyborny	i40e-shared: Add functions to blink led on Coppervale PHY
  Eric Joyner	ixl: Re-do interrupt setup.
  Eric Joyner	ixl: Remove VFLR task setup from legacy flow.
  Eric Joyner	ixl: Shutdown/setup HMC when handling an EMPR reset.
  
  Differential Revision:  https://reviews.freebsd.org/D6211
  Reviewed by:    sbruno, kmacy, jeffrey.e.pieper at intel.com
  MFC after:      2 weeks
  Sponsored by:   Intel Corporation

Modified:
  head/sys/dev/ixl/i40e_common.c
  head/sys/dev/ixl/i40e_osdep.c
  head/sys/dev/ixl/i40e_osdep.h
  head/sys/dev/ixl/i40e_prototype.h
  head/sys/dev/ixl/i40e_type.h
  head/sys/dev/ixl/if_ixl.c
  head/sys/dev/ixl/ixl.h

Modified: head/sys/dev/ixl/i40e_common.c
==============================================================================
--- head/sys/dev/ixl/i40e_common.c	Thu May 12 18:21:17 2016	(r299552)
+++ head/sys/dev/ixl/i40e_common.c	Thu May 12 18:21:34 2016	(r299553)
@@ -5601,6 +5601,335 @@ enum i40e_status_code i40e_aq_configure_
 }
 
 /**
+ * i40e_read_phy_register
+ * @hw: pointer to the HW structure
+ * @page: registers page number
+ * @reg: register address in the page
+ * @phy_adr: PHY address on MDIO interface
+ * @value: PHY register value
+ *
+ * Reads specified PHY register value
+ **/
+enum i40e_status_code i40e_read_phy_register(struct i40e_hw *hw,
+					     u8 page, u16 reg, u8 phy_addr,
+					     u16 *value)
+{
+	enum i40e_status_code status = I40E_ERR_TIMEOUT;
+	u32 command  = 0;
+	u16 retry = 1000;
+	u8 port_num = (u8)hw->func_caps.mdio_port_num;
+
+	command = (reg << I40E_GLGEN_MSCA_MDIADD_SHIFT) |
+		  (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
+		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
+		  (I40E_MDIO_OPCODE_ADDRESS) |
+		  (I40E_MDIO_STCODE) |
+		  (I40E_GLGEN_MSCA_MDICMD_MASK) |
+		  (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
+	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
+	do {
+		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
+		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
+			status = I40E_SUCCESS;
+			break;
+		}
+		i40e_usec_delay(10);
+		retry--;
+	} while (retry);
+
+	if (status) {
+		i40e_debug(hw, I40E_DEBUG_PHY,
+			   "PHY: Can't write command to external PHY.\n");
+		goto phy_read_end;
+	}
+
+	command = (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
+		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
+		  (I40E_MDIO_OPCODE_READ) |
+		  (I40E_MDIO_STCODE) |
+		  (I40E_GLGEN_MSCA_MDICMD_MASK) |
+		  (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
+	status = I40E_ERR_TIMEOUT;
+	retry = 1000;
+	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
+	do {
+		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
+		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
+			status = I40E_SUCCESS;
+			break;
+		}
+		i40e_usec_delay(10);
+		retry--;
+	} while (retry);
+
+	if (!status) {
+		command = rd32(hw, I40E_GLGEN_MSRWD(port_num));
+		*value = (command & I40E_GLGEN_MSRWD_MDIRDDATA_MASK) >>
+			 I40E_GLGEN_MSRWD_MDIRDDATA_SHIFT;
+	} else {
+		i40e_debug(hw, I40E_DEBUG_PHY,
+			   "PHY: Can't read register value from external PHY.\n");
+	}
+
+phy_read_end:
+	return status;
+}
+
+/**
+ * i40e_write_phy_register
+ * @hw: pointer to the HW structure
+ * @page: registers page number
+ * @reg: register address in the page
+ * @phy_adr: PHY address on MDIO interface
+ * @value: PHY register value
+ *
+ * Writes value to specified PHY register
+ **/
+enum i40e_status_code i40e_write_phy_register(struct i40e_hw *hw,
+					      u8 page, u16 reg, u8 phy_addr,
+					      u16 value)
+{
+	enum i40e_status_code status = I40E_ERR_TIMEOUT;
+	u32 command  = 0;
+	u16 retry = 1000;
+	u8 port_num = (u8)hw->func_caps.mdio_port_num;
+
+	command = (reg << I40E_GLGEN_MSCA_MDIADD_SHIFT) |
+		  (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
+		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
+		  (I40E_MDIO_OPCODE_ADDRESS) |
+		  (I40E_MDIO_STCODE) |
+		  (I40E_GLGEN_MSCA_MDICMD_MASK) |
+		  (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
+	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
+	do {
+		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
+		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
+			status = I40E_SUCCESS;
+			break;
+		}
+		i40e_usec_delay(10);
+		retry--;
+	} while (retry);
+	if (status) {
+		i40e_debug(hw, I40E_DEBUG_PHY,
+			   "PHY: Can't write command to external PHY.\n");
+		goto phy_write_end;
+	}
+
+	command = value << I40E_GLGEN_MSRWD_MDIWRDATA_SHIFT;
+	wr32(hw, I40E_GLGEN_MSRWD(port_num), command);
+
+	command = (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
+		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
+		  (I40E_MDIO_OPCODE_WRITE) |
+		  (I40E_MDIO_STCODE) |
+		  (I40E_GLGEN_MSCA_MDICMD_MASK) |
+		  (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
+	status = I40E_ERR_TIMEOUT;
+	retry = 1000;
+	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
+	do {
+		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
+		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
+			status = I40E_SUCCESS;
+			break;
+		}
+		i40e_usec_delay(10);
+		retry--;
+	} while (retry);
+
+phy_write_end:
+	return status;
+}
+
+/**
+ * i40e_get_phy_address
+ * @hw: pointer to the HW structure
+ * @dev_num: PHY port num that address we want
+ * @phy_addr: Returned PHY address
+ *
+ * Gets PHY address for current port
+ **/
+u8 i40e_get_phy_address(struct i40e_hw *hw, u8 dev_num)
+{
+	u8 port_num = (u8)hw->func_caps.mdio_port_num;
+	u32 reg_val = rd32(hw, I40E_GLGEN_MDIO_I2C_SEL(port_num));
+
+	return (u8)(reg_val >> ((dev_num + 1) * 5)) & 0x1f;
+}
+
+/**
+ * i40e_blink_phy_led
+ * @hw: pointer to the HW structure
+ * @time: time how long led will blinks in secs
+ * @interval: gap between LED on and off in msecs
+ *
+ * Blinks PHY link LED
+ **/
+enum i40e_status_code i40e_blink_phy_link_led(struct i40e_hw *hw,
+					      u32 time, u32 interval)
+{
+	enum i40e_status_code status = I40E_SUCCESS;
+	u32 i;
+	u16 led_ctl = 0;
+	u16 gpio_led_port;
+	u16 led_reg;
+	u16 led_addr = I40E_PHY_LED_PROV_REG_1;
+	u8 phy_addr = 0;
+	u8 port_num;
+
+	i = rd32(hw, I40E_PFGEN_PORTNUM);
+	port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK);
+	phy_addr = i40e_get_phy_address(hw, port_num);
+
+	for (gpio_led_port = 0; gpio_led_port < 3; gpio_led_port++,
+	     led_addr++) {
+		status = i40e_read_phy_register(hw, I40E_PHY_COM_REG_PAGE,
+						led_addr, phy_addr, &led_reg);
+		if (status)
+			goto phy_blinking_end;
+		led_ctl = led_reg;
+		if (led_reg & I40E_PHY_LED_LINK_MODE_MASK) {
+			led_reg = 0;
+			status = i40e_write_phy_register(hw,
+							 I40E_PHY_COM_REG_PAGE,
+							 led_addr, phy_addr,
+							 led_reg);
+			if (status)
+				goto phy_blinking_end;
+			break;
+		}
+	}
+
+	if (time > 0 && interval > 0) {
+		for (i = 0; i < time * 1000; i += interval) {
+			status = i40e_read_phy_register(hw,
+							I40E_PHY_COM_REG_PAGE,
+							led_addr, phy_addr,
+							&led_reg);
+			if (status)
+				goto restore_config;
+			if (led_reg & I40E_PHY_LED_MANUAL_ON)
+				led_reg = 0;
+			else
+				led_reg = I40E_PHY_LED_MANUAL_ON;
+			status = i40e_write_phy_register(hw,
+							 I40E_PHY_COM_REG_PAGE,
+							 led_addr, phy_addr,
+							 led_reg);
+			if (status)
+				goto restore_config;
+			i40e_msec_delay(interval);
+		}
+	}
+
+restore_config:
+	status = i40e_write_phy_register(hw, I40E_PHY_COM_REG_PAGE, led_addr,
+					 phy_addr, led_ctl);
+
+phy_blinking_end:
+	return status;
+}
+
+/**
+ * i40e_led_get_phy - return current on/off mode
+ * @hw: pointer to the hw struct
+ * @led_addr: address of led register to use
+ * @val: original value of register to use
+ *
+ **/
+enum i40e_status_code i40e_led_get_phy(struct i40e_hw *hw, u16 *led_addr,
+				       u16 *val)
+{
+	enum i40e_status_code status = I40E_SUCCESS;
+	u16 gpio_led_port;
+	u8 phy_addr = 0;
+	u16 reg_val;
+	u16 temp_addr;
+	u8 port_num;
+	u32 i;
+
+	temp_addr = I40E_PHY_LED_PROV_REG_1;
+	i = rd32(hw, I40E_PFGEN_PORTNUM);
+	port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK);
+	phy_addr = i40e_get_phy_address(hw, port_num);
+
+	for (gpio_led_port = 0; gpio_led_port < 3; gpio_led_port++,
+	     temp_addr++) {
+		status = i40e_read_phy_register(hw, I40E_PHY_COM_REG_PAGE,
+						temp_addr, phy_addr, &reg_val);
+		if (status)
+			return status;
+		*val = reg_val;
+		if (reg_val & I40E_PHY_LED_LINK_MODE_MASK) {
+			*led_addr = temp_addr;
+			break;
+		}
+	}
+	return status;
+}
+
+/**
+ * i40e_led_set_phy
+ * @hw: pointer to the HW structure
+ * @on: TRUE or FALSE
+ * @mode: original val plus bit for set or ignore
+ * Set led's on or off when controlled by the PHY
+ *
+ **/
+enum i40e_status_code i40e_led_set_phy(struct i40e_hw *hw, bool on,
+				       u16 led_addr, u32 mode)
+{
+	enum i40e_status_code status = I40E_SUCCESS;
+	u16 led_ctl = 0;
+	u16 led_reg = 0;
+	u8 phy_addr = 0;
+	u8 port_num;
+	u32 i;
+
+	i = rd32(hw, I40E_PFGEN_PORTNUM);
+	port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK);
+	phy_addr = i40e_get_phy_address(hw, port_num);
+
+	status = i40e_read_phy_register(hw, I40E_PHY_COM_REG_PAGE, led_addr,
+					phy_addr, &led_reg);
+	if (status)
+		return status;
+	led_ctl = led_reg;
+	if (led_reg & I40E_PHY_LED_LINK_MODE_MASK) {
+		led_reg = 0;
+		status = i40e_write_phy_register(hw, I40E_PHY_COM_REG_PAGE,
+						 led_addr, phy_addr, led_reg);
+		if (status)
+			return status;
+	}
+	status = i40e_read_phy_register(hw, I40E_PHY_COM_REG_PAGE,
+					led_addr, phy_addr, &led_reg);
+	if (status)
+		goto restore_config;
+	if (on)
+		led_reg = I40E_PHY_LED_MANUAL_ON;
+	else
+		led_reg = 0;
+	status = i40e_write_phy_register(hw, I40E_PHY_COM_REG_PAGE,
+					 led_addr, phy_addr, led_reg);
+	if (status)
+		goto restore_config;
+	if (mode & I40E_PHY_LED_MODE_ORIG) {
+		led_ctl = (mode & I40E_PHY_LED_MODE_MASK);
+		status = i40e_write_phy_register(hw,
+						 I40E_PHY_COM_REG_PAGE,
+						 led_addr, phy_addr, led_ctl);
+	}
+	return status;
+restore_config:
+	status = i40e_write_phy_register(hw, I40E_PHY_COM_REG_PAGE, led_addr,
+					 phy_addr, led_ctl);
+	return status;
+}
+
+/**
  * i40e_aq_send_msg_to_pf
  * @hw: pointer to the hardware structure
  * @v_opcode: opcodes for VF-PF communication

Modified: head/sys/dev/ixl/i40e_osdep.c
==============================================================================
--- head/sys/dev/ixl/i40e_osdep.c	Thu May 12 18:21:17 2016	(r299552)
+++ head/sys/dev/ixl/i40e_osdep.c	Thu May 12 18:21:34 2016	(r299553)
@@ -159,22 +159,19 @@ i40e_destroy_spinlock(struct i40e_spinlo
 }
 
 /*
-** i40e_debug_d - OS dependent version of shared code debug printing
-*/
-void i40e_debug_d(void *hw, u32 mask, char *fmt, ...)
+ * Helper function for debug statement printing
+ */
+void
+i40e_debug_d(struct i40e_hw *hw, enum i40e_debug_mask mask, char *fmt, ...)
 {
-        char buf[512];
-        va_list args;
+	va_list args;
 
-        if (!(mask & ((struct i40e_hw *)hw)->debug_mask))
-                return;
+	if (!(mask & ((struct i40e_hw *)hw)->debug_mask))
+		return;
 
 	va_start(args, fmt);
-        vsnprintf(buf, sizeof(buf), fmt, args);
+	device_printf(((struct i40e_osdep *)hw->back)->dev, fmt, args);
 	va_end(args);
-
-        /* the debug string is already formatted with a newline */
-        printf("%s", buf);
 }
 
 u16

Modified: head/sys/dev/ixl/i40e_osdep.h
==============================================================================
--- head/sys/dev/ixl/i40e_osdep.h	Thu May 12 18:21:17 2016	(r299552)
+++ head/sys/dev/ixl/i40e_osdep.h	Thu May 12 18:21:34 2016	(r299553)
@@ -54,8 +54,6 @@
 #include <dev/pci/pcivar.h>
 #include <dev/pci/pcireg.h>
 
-#define ASSERT(x) if(!(x)) panic("IXL: x")
-
 #define i40e_usec_delay(x) DELAY(x)
 #define i40e_msec_delay(x) DELAY(1000*(x))
 
@@ -169,21 +167,26 @@ struct i40e_dma_mem {
 	int                     flags;
 };
 
+struct i40e_virt_mem {
+	void *va;
+	u32 size;
+};
+
 struct i40e_hw; /* forward decl */
 u16	i40e_read_pci_cfg(struct i40e_hw *, u32);
 void	i40e_write_pci_cfg(struct i40e_hw *, u32, u16);
 
+/*
+** i40e_debug - OS dependent version of shared code debug printing
+*/
+enum i40e_debug_mask;
 #define i40e_debug(h, m, s, ...)  i40e_debug_d(h, m, s, ##__VA_ARGS__)
-extern void i40e_debug_d(void *hw, u32 mask, char *fmt_str, ...);
-
-struct i40e_virt_mem {
-	void *va;
-	u32 size;
-};
+extern void i40e_debug_d(struct i40e_hw *hw, enum i40e_debug_mask mask,
+    char *fmt_str, ...);
 
 /*
-** This hardware supports either 16 or 32 byte rx descriptors
-** we default here to the larger size.
+** This hardware supports either 16 or 32 byte rx descriptors;
+** the driver only uses the 32 byte kind.
 */
 #define i40e_rx_desc i40e_32byte_rx_desc
 

Modified: head/sys/dev/ixl/i40e_prototype.h
==============================================================================
--- head/sys/dev/ixl/i40e_prototype.h	Thu May 12 18:21:17 2016	(r299552)
+++ head/sys/dev/ixl/i40e_prototype.h	Thu May 12 18:21:34 2016	(r299553)
@@ -84,6 +84,12 @@ const char *i40e_stat_str(struct i40e_hw
 
 u32 i40e_led_get(struct i40e_hw *hw);
 void i40e_led_set(struct i40e_hw *hw, u32 mode, bool blink);
+enum i40e_status_code i40e_led_set_phy(struct i40e_hw *hw, bool on,
+				       u16 led_addr, u32 mode);
+enum i40e_status_code i40e_led_get_phy(struct i40e_hw *hw, u16 *led_addr,
+				       u16 *val);
+enum i40e_status_code i40e_blink_phy_link_led(struct i40e_hw *hw,
+					      u32 time, u32 interval);
 
 /* admin send queue commands */
 
@@ -483,4 +489,11 @@ enum i40e_status_code i40e_aq_debug_dump
 				struct i40e_asq_cmd_details *cmd_details);
 void i40e_add_filter_to_drop_tx_flow_control_frames(struct i40e_hw *hw,
 						    u16 vsi_seid);
+enum i40e_status_code i40e_read_phy_register(struct i40e_hw *hw, u8 page,
+					     u16 reg, u8 phy_addr, u16 *value);
+enum i40e_status_code i40e_write_phy_register(struct i40e_hw *hw, u8 page,
+					      u16 reg, u8 phy_addr, u16 value);
+u8 i40e_get_phy_address(struct i40e_hw *hw, u8 dev_num);
+enum i40e_status_code i40e_blink_phy_link_led(struct i40e_hw *hw,
+					      u32 time, u32 interval);
 #endif /* _I40E_PROTOTYPE_H_ */

Modified: head/sys/dev/ixl/i40e_type.h
==============================================================================
--- head/sys/dev/ixl/i40e_type.h	Thu May 12 18:21:17 2016	(r299552)
+++ head/sys/dev/ixl/i40e_type.h	Thu May 12 18:21:34 2016	(r299553)
@@ -147,6 +147,22 @@ enum i40e_debug_mask {
 #define I40E_PCI_LINK_SPEED_5000	0x2
 #define I40E_PCI_LINK_SPEED_8000	0x3
 
+#define I40E_MDIO_STCODE		0
+#define I40E_MDIO_OPCODE_ADDRESS	0
+#define I40E_MDIO_OPCODE_WRITE		I40E_MASK(1, \
+						  I40E_GLGEN_MSCA_OPCODE_SHIFT)
+#define I40E_MDIO_OPCODE_READ_INC_ADDR	I40E_MASK(2, \
+						  I40E_GLGEN_MSCA_OPCODE_SHIFT)
+#define I40E_MDIO_OPCODE_READ		I40E_MASK(3, \
+						  I40E_GLGEN_MSCA_OPCODE_SHIFT)
+
+#define I40E_PHY_COM_REG_PAGE			0x1E
+#define I40E_PHY_LED_LINK_MODE_MASK		0xF0
+#define I40E_PHY_LED_MANUAL_ON			0x100
+#define I40E_PHY_LED_PROV_REG_1			0xC430
+#define I40E_PHY_LED_MODE_MASK			0xFFFF
+#define I40E_PHY_LED_MODE_ORIG			0x80000000
+
 /* Memory types */
 enum i40e_memset_type {
 	I40E_NONDMA_MEM = 0,

Modified: head/sys/dev/ixl/if_ixl.c
==============================================================================
--- head/sys/dev/ixl/if_ixl.c	Thu May 12 18:21:17 2016	(r299552)
+++ head/sys/dev/ixl/if_ixl.c	Thu May 12 18:21:34 2016	(r299553)
@@ -48,7 +48,7 @@
 /*********************************************************************
  *  Driver version
  *********************************************************************/
-char ixl_driver_version[] = "1.4.17-k";
+char ixl_driver_version[] = "1.4.20-k";
 
 /*********************************************************************
  *  PCI Device ID Table
@@ -105,15 +105,22 @@ static u16	ixl_get_bus_info(struct i40e_
 static int	ixl_setup_stations(struct ixl_pf *);
 static int	ixl_switch_config(struct ixl_pf *);
 static int	ixl_initialize_vsi(struct ixl_vsi *);
-static int	ixl_assign_vsi_msix(struct ixl_pf *);
+
+static int	ixl_setup_adminq_msix(struct ixl_pf *);
+static int	ixl_setup_adminq_tq(struct ixl_pf *);
+static int	ixl_setup_queue_msix(struct ixl_vsi *);
+static int	ixl_setup_queue_tqs(struct ixl_vsi *);
+static int	ixl_teardown_adminq_msix(struct ixl_pf *);
+static int	ixl_teardown_queue_msix(struct ixl_vsi *);
+static void	ixl_configure_intr0_msix(struct ixl_pf *);
+static void	ixl_configure_queue_intr_msix(struct ixl_pf *);
+static void	ixl_free_queue_tqs(struct ixl_vsi *);
+static void	ixl_free_adminq_tq(struct ixl_pf *);
+
 static int	ixl_assign_vsi_legacy(struct ixl_pf *);
 static int	ixl_init_msix(struct ixl_pf *);
-static void	ixl_configure_msix(struct ixl_pf *);
 static void	ixl_configure_itr(struct ixl_pf *);
 static void	ixl_configure_legacy(struct ixl_pf *);
-static void	ixl_init_taskqueues(struct ixl_pf *);
-static void	ixl_free_taskqueues(struct ixl_pf *);
-static void	ixl_free_interrupt_resources(struct ixl_pf *);
 static void	ixl_free_pci_resources(struct ixl_pf *);
 static void	ixl_local_timer(void *);
 static int	ixl_setup_interface(device_t, struct ixl_vsi *);
@@ -122,6 +129,7 @@ static void	ixl_config_rss(struct ixl_vs
 static void	ixl_set_queue_rx_itr(struct ixl_queue *);
 static void	ixl_set_queue_tx_itr(struct ixl_queue *);
 static int	ixl_set_advertised_speeds(struct ixl_pf *, int);
+static void	ixl_get_initial_advertised_speeds(struct ixl_pf *);
 
 static int	ixl_enable_rings(struct ixl_vsi *);
 static int	ixl_disable_rings(struct ixl_vsi *);
@@ -200,6 +208,8 @@ static void	ixl_stat_update32(struct i40
 		    u64 *, u64 *);
 /* NVM update */
 static int	ixl_handle_nvmupd_cmd(struct ixl_pf *, struct ifdrv *);
+static void	ixl_handle_empr_reset(struct ixl_pf *);
+static int	ixl_rebuild_hw_structs_after_reset(struct ixl_pf *);
 
 
 #ifdef PCI_IOV
@@ -586,7 +596,8 @@ ixl_attach(device_t dev)
 
 	error = ixl_switch_config(pf);
 	if (error) {
-		device_printf(dev, "Initial ixl_switch_config() failed: %d\n", error);
+		device_printf(dev, "Initial ixl_switch_config() failed: %d\n",
+		     error);
 		goto err_late;
 	}
 
@@ -599,12 +610,31 @@ ixl_attach(device_t dev)
 		goto err_late;
 	}
 
-	/* Get the bus configuration and set the shared code */
+	/* Get the bus configuration and set the shared code's config */
 	bus = ixl_get_bus_info(hw, dev);
 	i40e_set_pci_config_data(hw, bus);
 
-	/* Initialize taskqueues */
-	ixl_init_taskqueues(pf);
+	/*
+	 * In MSI-X mode, initialize the Admin Queue interrupt,
+	 * so userland tools can communicate with the adapter regardless of
+	 * the ifnet interface's status.
+	 */
+	if (pf->msix > 1) {
+		error = ixl_setup_adminq_msix(pf);
+		if (error) {
+			device_printf(dev, "ixl_setup_adminq_msix error: %d\n",
+			    error);
+			goto err_late;
+		}
+		error = ixl_setup_adminq_tq(pf);
+		if (error) {
+			device_printf(dev, "ixl_setup_adminq_tq error: %d\n",
+			    error);
+			goto err_late;
+		}
+		ixl_configure_intr0_msix(pf);
+		ixl_enable_adminq(hw);
+	}
 
 	/* Initialize statistics & add sysctls */
 	ixl_add_device_sysctls(pf);
@@ -678,7 +708,7 @@ ixl_detach(device_t dev)
 	struct ixl_pf		*pf = device_get_softc(dev);
 	struct i40e_hw		*hw = &pf->hw;
 	struct ixl_vsi		*vsi = &pf->vsi;
-	i40e_status		status;
+	enum i40e_status_code	status;
 #ifdef PCI_IOV
 	int			error;
 #endif
@@ -687,7 +717,7 @@ ixl_detach(device_t dev)
 
 	/* Make sure VLANS are not using driver */
 	if (vsi->ifp->if_vlantrunk != NULL) {
-		device_printf(dev,"Vlan in use, detach first\n");
+		device_printf(dev, "Vlan in use, detach first\n");
 		return (EBUSY);
 	}
 
@@ -703,7 +733,7 @@ ixl_detach(device_t dev)
 	if (vsi->ifp->if_drv_flags & IFF_DRV_RUNNING)
 		ixl_stop(pf);
 
-	ixl_free_taskqueues(pf);
+	ixl_free_queue_tqs(vsi);
 
 	/* Shutdown LAN HMC */
 	status = i40e_shutdown_lan_hmc(hw);
@@ -712,6 +742,9 @@ ixl_detach(device_t dev)
 		    "Shutdown LAN HMC failed with code %d\n", status);
 
 	/* Shutdown admin queue */
+	ixl_disable_adminq(hw);
+	ixl_free_adminq_tq(pf);
+	ixl_teardown_adminq_msix(pf);
 	status = i40e_shutdown_adminq(hw);
 	if (status)
 		device_printf(dev,
@@ -794,7 +827,7 @@ retry:
 	pf->qbase = hw->func_caps.base_queue;
 
 #ifdef IXL_DEBUG
-	device_printf(dev,"pf_id=%d, num_vfs=%d, msix_pf=%d, "
+	device_printf(dev, "pf_id=%d, num_vfs=%d, msix_pf=%d, "
 	    "msix_vf=%d, fd_g=%d, fd_b=%d, tx_qp=%d rx_qp=%d qbase=%d\n",
 	    hw->pf_id, hw->func_caps.num_vfs,
 	    hw->func_caps.num_msix_vectors,
@@ -1131,7 +1164,7 @@ ixl_init_locked(struct ixl_pf *pf)
 
 	/* Set up MSI/X routing and the ITR settings */
 	if (ixl_enable_msix) {
-		ixl_configure_msix(pf);
+		ixl_configure_queue_intr_msix(pf);
 		ixl_configure_itr(pf);
 	} else
 		ixl_configure_legacy(pf);
@@ -1150,6 +1183,9 @@ ixl_init_locked(struct ixl_pf *pf)
 	i40e_get_link_status(hw, &pf->link_up);
 	ixl_update_link_status(pf);
 
+	/* Set initial advertised speed sysctl value */
+	ixl_get_initial_advertised_speeds(pf);
+
 	/* Start the local timer */
 	callout_reset(&pf->timer, hz, ixl_local_timer, pf);
 
@@ -1159,6 +1195,37 @@ ixl_init_locked(struct ixl_pf *pf)
 	return;
 }
 
+/* For the set_advertise sysctl */
+static void
+ixl_get_initial_advertised_speeds(struct ixl_pf *pf)
+{
+	struct i40e_hw *hw = &pf->hw;
+	device_t dev = pf->dev;
+	enum i40e_status_code status;
+	struct i40e_aq_get_phy_abilities_resp abilities;
+
+	/* Set initial sysctl values */
+	status = i40e_aq_get_phy_capabilities(hw, FALSE, false, &abilities,
+					      NULL);
+	if (status) {
+		/* Non-fatal error */
+		device_printf(dev, "%s: i40e_aq_get_phy_capabilities() error %d\n",
+		     __func__, status);
+		return;
+	}
+
+	if (abilities.link_speed & I40E_LINK_SPEED_40GB)
+		pf->advertised_speed |= 0x10;
+	if (abilities.link_speed & I40E_LINK_SPEED_20GB)
+		pf->advertised_speed |= 0x8;
+	if (abilities.link_speed & I40E_LINK_SPEED_10GB)
+		pf->advertised_speed |= 0x4;
+	if (abilities.link_speed & I40E_LINK_SPEED_1GB)
+		pf->advertised_speed |= 0x2;
+	if (abilities.link_speed & I40E_LINK_SPEED_100MB)
+		pf->advertised_speed |= 0x1;
+}
+
 static int
 ixl_teardown_hw_structs(struct ixl_pf *pf)
 {
@@ -1277,7 +1344,8 @@ static void
 ixl_init(void *arg)
 {
 	struct ixl_pf *pf = arg;
-	int ret = 0;
+	device_t dev = pf->dev;
+	int error = 0;
 
 	/*
 	 * If the aq is dead here, it probably means something outside of the driver
@@ -1285,20 +1353,32 @@ ixl_init(void *arg)
 	 * So rebuild the driver's state here if that occurs.
 	 */
 	if (!i40e_check_asq_alive(&pf->hw)) {
-		device_printf(pf->dev, "asq is not alive; rebuilding...\n");
+		device_printf(dev, "Admin Queue is down; resetting...\n");
 		IXL_PF_LOCK(pf);
 		ixl_teardown_hw_structs(pf);
 		ixl_reset(pf);
 		IXL_PF_UNLOCK(pf);
 	}
 
-	/* Set up interrupt routing here */
-	if (pf->msix > 1)
-		ret = ixl_assign_vsi_msix(pf);
-	else
-		ret = ixl_assign_vsi_legacy(pf);
-	if (ret) {
-		device_printf(pf->dev, "assign_vsi_msix/legacy error: %d\n", ret);
+	/*
+	 * Set up LAN queue interrupts here.
+	 * Kernel interrupt setup functions cannot be called while holding a lock,
+	 * so this is done outside of init_locked().
+	 */
+	if (pf->msix > 1) {
+		error = ixl_setup_queue_msix(&pf->vsi);
+		if (error)
+			device_printf(dev, "ixl_setup_queue_msix() error: %d\n",
+			    error);
+		error = ixl_setup_queue_tqs(&pf->vsi);
+		if (error)
+			device_printf(dev, "ixl_setup_queue_tqs() error: %d\n",
+			    error);
+	} else
+		// possibly broken
+		error = ixl_assign_vsi_legacy(pf);
+	if (error) {
+		device_printf(pf->dev, "assign_vsi_msix/legacy error: %d\n", error);
 		return;
 	}
 
@@ -1309,9 +1389,7 @@ ixl_init(void *arg)
 }
 
 /*
-**
 ** MSIX Interrupt Handlers and Tasklets
-**
 */
 static void
 ixl_handle_que(void *context, int pending)
@@ -2050,7 +2128,7 @@ ixl_stop(struct ixl_pf *pf)
 	ixl_stop_locked(pf);
 	IXL_PF_UNLOCK(pf);
 
-	ixl_free_interrupt_resources(pf);
+	ixl_teardown_queue_msix(&pf->vsi);
 }
 
 /*********************************************************************
@@ -2073,14 +2151,11 @@ ixl_stop_locked(struct ixl_pf *pf)
 	/* Stop the local timer */
 	callout_stop(&pf->timer);
 
-	if (pf->num_vfs == 0)
-		ixl_disable_intr(vsi);
-	else
-		ixl_disable_rings_intr(vsi);
+	ixl_disable_rings_intr(vsi);
 	ixl_disable_rings(vsi);
 
 	/* Tell the stack that the interface is no longer active */
-	ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
+	ifp->if_drv_flags &= ~(IFF_DRV_RUNNING);
 }
 
 
@@ -2125,10 +2200,6 @@ ixl_assign_vsi_legacy(struct ixl_pf *pf)
 	    device_get_nameunit(dev));
 	TASK_INIT(&pf->adminq, 0, ixl_do_adminq, pf);
 
-#ifdef PCI_IOV
-	TASK_INIT(&pf->vflr_task, 0, ixl_handle_vflr, pf);
-#endif
-
 	pf->tq = taskqueue_create_fast("ixl_adm", M_NOWAIT,
 	    taskqueue_thread_enqueue, &pf->tq);
 	taskqueue_start_threads(&pf->tq, 1, PI_NET, "%s adminq",
@@ -2137,25 +2208,41 @@ ixl_assign_vsi_legacy(struct ixl_pf *pf)
 	return (0);
 }
 
-static void
-ixl_init_taskqueues(struct ixl_pf *pf)
+static int
+ixl_setup_adminq_tq(struct ixl_pf *pf)
 {
-	struct ixl_vsi *vsi = &pf->vsi;
-	struct ixl_queue *que = vsi->queues;
 	device_t dev = pf->dev;
+	int error = 0;
 
-	/* Tasklet for Admin Queue */
+	/* Tasklet for Admin Queue interrupts */
 	TASK_INIT(&pf->adminq, 0, ixl_do_adminq, pf);
 #ifdef PCI_IOV
 	/* VFLR Tasklet */
 	TASK_INIT(&pf->vflr_task, 0, ixl_handle_vflr, pf);
 #endif
-
-	/* Create and start PF taskqueue */
-	pf->tq = taskqueue_create_fast("ixl_adm", M_NOWAIT,
+	/* Create and start Admin Queue taskqueue */
+	pf->tq = taskqueue_create_fast("ixl_aq", M_NOWAIT,
 	    taskqueue_thread_enqueue, &pf->tq);
-	taskqueue_start_threads(&pf->tq, 1, PI_NET, "%s adminq",
+	if (!pf->tq) {
+		device_printf(dev, "taskqueue_create_fast (for AQ) returned NULL!\n");
+		return (ENOMEM);
+	}
+	error = taskqueue_start_threads(&pf->tq, 1, PI_NET, "%s aq",
 	    device_get_nameunit(dev));
+	if (error) {
+		device_printf(dev, "taskqueue_start_threads (for AQ) error: %d\n",
+		    error);
+		taskqueue_free(pf->tq);
+		return (error);
+	}
+	return (0);
+}
+
+static int
+ixl_setup_queue_tqs(struct ixl_vsi *vsi)
+{
+	struct ixl_queue *que = vsi->queues;
+	device_t dev = vsi->dev;
 
 	/* Create queue tasks and start queue taskqueues */
 	for (int i = 0; i < vsi->num_queues; i++, que++) {
@@ -2174,71 +2261,90 @@ ixl_init_taskqueues(struct ixl_pf *pf)
 #endif
 	}
 
+	return (0);
 }
 
 static void
-ixl_free_taskqueues(struct ixl_pf *pf)
+ixl_free_adminq_tq(struct ixl_pf *pf)
 {
-	struct ixl_vsi		*vsi = &pf->vsi;
-	struct ixl_queue	*que = vsi->queues;
-
 	if (pf->tq)
 		taskqueue_free(pf->tq);
+}
+
+static void
+ixl_free_queue_tqs(struct ixl_vsi *vsi)
+{
+	struct ixl_queue	*que = vsi->queues;
+
 	for (int i = 0; i < vsi->num_queues; i++, que++) {
 		if (que->tq)
 			taskqueue_free(que->tq);
 	}
 }
 
-/*********************************************************************
- *
- *  Setup MSIX Interrupt resources and handlers for the VSI
- *
- **********************************************************************/
 static int
-ixl_assign_vsi_msix(struct ixl_pf *pf)
+ixl_setup_adminq_msix(struct ixl_pf *pf)
 {
-	device_t	dev = pf->dev;
-	struct 		ixl_vsi *vsi = &pf->vsi;
-	struct 		ixl_queue *que = vsi->queues;
-	struct		tx_ring	 *txr;
-	int 		error, rid, vector = 0;
-#ifdef	RSS
-	cpuset_t cpu_mask;
-#endif
+	device_t dev = pf->dev;
+	int rid, error = 0;
 
-	/* Admin Queue interrupt vector is 0 */
-	rid = vector + 1;
+	/* Admin IRQ rid is 1, vector is 0 */
+	rid = 1;
+	/* Get interrupt resource from bus */
 	pf->res = bus_alloc_resource_any(dev,
     	    SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE);
 	if (!pf->res) {
-		device_printf(dev, "Unable to allocate"
-		    " bus resource: Adminq interrupt [rid=%d]\n", rid);
+		device_printf(dev, "bus_alloc_resource_any() for Admin Queue"
+		    " interrupt failed [rid=%d]\n", rid);
 		return (ENXIO);
 	}
-	/* Set the adminq vector and handler */
+	/* Then associate interrupt with handler */
 	error = bus_setup_intr(dev, pf->res,
 	    INTR_TYPE_NET | INTR_MPSAFE, NULL,
 	    ixl_msix_adminq, pf, &pf->tag);
 	if (error) {
 		pf->res = NULL;
-		device_printf(dev, "Failed to register Admin que handler");
-		return (error);
+		device_printf(dev, "bus_setup_intr() for Admin Queue"
+		    " interrupt handler failed, error %d\n", error);
+		return (ENXIO);
+	}
+	error = bus_describe_intr(dev, pf->res, pf->tag, "aq");
+	if (error) {
+		/* Probably non-fatal? */
+		device_printf(dev, "bus_describe_intr() for Admin Queue"
+		    " interrupt name failed, error %d\n", error);
 	}
-	bus_describe_intr(dev, pf->res, pf->tag, "aq");
-	pf->admvec = vector;
-	++vector;
+	pf->admvec = 0;
+
+	return (0);
+}
 
-	/* Now set up the stations */
+/*
+ * Allocate interrupt resources from bus and associate an interrupt handler
+ * to those for the VSI's queues.
+ */
+static int
+ixl_setup_queue_msix(struct ixl_vsi *vsi)
+{
+	device_t	dev = vsi->dev;
+	struct 		ixl_queue *que = vsi->queues;
+	struct		tx_ring	 *txr;
+	int 		error, rid, vector = 1;
+#ifdef	RSS
+	cpuset_t cpu_mask;
+#endif
+
+	/* Queue interrupt vector numbers start at 1 (adminq intr is 0) */
 	for (int i = 0; i < vsi->num_queues; i++, vector++, que++) {
 		int cpu_id = i;
 		rid = vector + 1;
 		txr = &que->txr;
 		que->res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
 		    RF_SHAREABLE | RF_ACTIVE);
-		if (que->res == NULL) {
-			device_printf(dev, "Unable to allocate"
-		    	    " bus resource: que interrupt [rid=%d]\n", rid);
+		if (!que->res) {
+			device_printf(dev, "bus_alloc_resource_any() for"
+			    " Queue %d interrupt failed [rid=%d]\n",
+			    que->me, rid);
 			return (ENXIO);
 		}
 		/* Set the handler function */
@@ -2246,16 +2352,29 @@ ixl_assign_vsi_msix(struct ixl_pf *pf)
 		    INTR_TYPE_NET | INTR_MPSAFE, NULL,
 		    ixl_msix_que, que, &que->tag);
 		if (error) {
-			que->res = NULL;
-			device_printf(dev, "Failed to register que handler");
+			device_printf(dev, "bus_setup_intr() for Queue %d"
+			    " interrupt handler failed, error %d\n",
+			    que->me, error);
+			// TODO: Check for error from this?
+			bus_release_resource(dev, SYS_RES_IRQ, rid, que->res);
 			return (error);
 		}
-		bus_describe_intr(dev, que->res, que->tag, "que%d", i);
+		error = bus_describe_intr(dev, que->res, que->tag, "que%d", i);
+		if (error) {
+			device_printf(dev, "bus_describe_intr() for Queue %d"
+			    " interrupt name failed, error %d\n",
+			    que->me, error);
+		}
 		/* Bind the vector to a CPU */
 #ifdef RSS
 		cpu_id = rss_getcpu(i % rss_getnumbuckets());
 #endif
-		bus_bind_intr(dev, que->res, cpu_id);
+		error = bus_bind_intr(dev, que->res, cpu_id);
+		if (error) {
+			device_printf(dev, "bus_bind_intr() for Queue %d"
+			    " to CPU %d failed, error %d\n",
+			    que->me, cpu_id, error);
+		}
 		que->msix = vector;
 	}
 
@@ -2391,15 +2510,13 @@ no_msix:
 }
 
 /*
- * Plumb MSIX vectors
+ * Configure admin queue/misc interrupt cause registers in hardware.
  */
 static void
-ixl_configure_msix(struct ixl_pf *pf)
+ixl_configure_intr0_msix(struct ixl_pf *pf)
 {
-	struct i40e_hw	*hw = &pf->hw;
-	struct ixl_vsi *vsi = &pf->vsi;
-	u32		reg;
-	u16		vector = 1;
+	struct i40e_hw *hw = &pf->hw;
+	u32 reg;
 
 	/* First set up the adminq - vector 0 */
 	wr32(hw, I40E_PFINT_ICR0_ENA, 0);  /* disable all */
@@ -2428,8 +2545,19 @@ ixl_configure_msix(struct ixl_pf *pf)

*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***


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