/*******************************************************************************
-Copyright (c) 2001-2012, Intel Corporation
+Copyright (c) 2001-2014, Intel Corporation
All rights reserved.
Redistribution and use in source and binary forms, with or without
#include "ixgbe_api.h"
#include "ixgbe_type.h"
#include "ixgbe_vf.h"
-#ident "$Id: ixgbe_vf.c,v 1.58 2012/08/09 20:24:53 cmwyborn Exp $"
+#ident "$Id: ixgbe_vf.c,v 1.62 2013/06/27 21:30:59 jtkirshe Exp $"
#ifndef IXGBE_VFWRITE_REG
#define IXGBE_VFWRITE_REG IXGBE_WRITE_REG
return IXGBE_SUCCESS;
}
+/* ixgbe_virt_clr_reg - Set register to default (power on) state.
+ * @hw: pointer to hardware structure
+ */
+static void ixgbe_virt_clr_reg(struct ixgbe_hw *hw)
+{
+ int i;
+ u32 vfsrrctl;
+ u32 vfdca_rxctrl;
+ u32 vfdca_txctrl;
+
+ /* VRSRRCTL default values (BSIZEPACKET = 2048, BSIZEHEADER = 256) */
+ vfsrrctl = 0x100 << IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT;
+ vfsrrctl |= 0x800 >> IXGBE_SRRCTL_BSIZEPKT_SHIFT;
+
+ /* DCA_RXCTRL default value */
+ vfdca_rxctrl = IXGBE_DCA_RXCTRL_DESC_RRO_EN |
+ IXGBE_DCA_RXCTRL_DATA_WRO_EN |
+ IXGBE_DCA_RXCTRL_HEAD_WRO_EN;
+
+ /* DCA_TXCTRL default value */
+ vfdca_txctrl = IXGBE_DCA_TXCTRL_DESC_RRO_EN |
+ IXGBE_DCA_TXCTRL_DESC_WRO_EN |
+ IXGBE_DCA_TXCTRL_DATA_RRO_EN;
+
+ IXGBE_WRITE_REG(hw, IXGBE_VFPSRTYPE, 0);
+
+ for (i = 0; i < 7; i++) {
+ IXGBE_WRITE_REG(hw, IXGBE_VFRDH(i), 0);
+ IXGBE_WRITE_REG(hw, IXGBE_VFRDT(i), 0);
+ IXGBE_WRITE_REG(hw, IXGBE_VFRXDCTL(i), 0);
+ IXGBE_WRITE_REG(hw, IXGBE_VFSRRCTL(i), vfsrrctl);
+ IXGBE_WRITE_REG(hw, IXGBE_VFTDH(i), 0);
+ IXGBE_WRITE_REG(hw, IXGBE_VFTDT(i), 0);
+ IXGBE_WRITE_REG(hw, IXGBE_VFTXDCTL(i), 0);
+ IXGBE_WRITE_REG(hw, IXGBE_VFTDWBAH(i), 0);
+ IXGBE_WRITE_REG(hw, IXGBE_VFTDWBAL(i), 0);
+ IXGBE_WRITE_REG(hw, IXGBE_VFDCA_RXCTRL(i), vfdca_rxctrl);
+ IXGBE_WRITE_REG(hw, IXGBE_VFDCA_TXCTRL(i), vfdca_txctrl);
+ }
+
+ IXGBE_WRITE_FLUSH(hw);
+}
+
/**
* ixgbe_start_hw_vf - Prepare hardware for Tx/Rx
* @hw: pointer to hardware structure
struct ixgbe_mbx_info *mbx = &hw->mbx;
u32 timeout = IXGBE_VF_INIT_TIMEOUT;
s32 ret_val = IXGBE_ERR_INVALID_MAC_ADDR;
- u32 ctrl, msgbuf[IXGBE_VF_PERMADDR_MSG_LEN];
+ u32 msgbuf[IXGBE_VF_PERMADDR_MSG_LEN];
u8 *addr = (u8 *)(&msgbuf[1]);
DEBUGFUNC("ixgbevf_reset_hw_vf");
DEBUGOUT("Issuing a function level reset to MAC\n");
- ctrl = IXGBE_VFREAD_REG(hw, IXGBE_VFCTRL) | IXGBE_CTRL_RST;
- IXGBE_VFWRITE_REG(hw, IXGBE_VFCTRL, ctrl);
+ IXGBE_VFWRITE_REG(hw, IXGBE_VFCTRL, IXGBE_CTRL_RST);
IXGBE_WRITE_FLUSH(hw);
msec_delay(50);
usec_delay(5);
}
- if (timeout) {
- /* mailbox timeout can now become active */
- mbx->timeout = IXGBE_VF_MBX_INIT_TIMEOUT;
+ if (!timeout)
+ return IXGBE_ERR_RESET_FAILED;
- msgbuf[0] = IXGBE_VF_RESET;
- mbx->ops.write_posted(hw, msgbuf, 1, 0);
+ /* Reset VF registers to initial values */
+ ixgbe_virt_clr_reg(hw);
- msec_delay(10);
+ /* mailbox timeout can now become active */
+ mbx->timeout = IXGBE_VF_MBX_INIT_TIMEOUT;
- /*
- * set our "perm_addr" based on info provided by PF
- * also set up the mc_filter_type which is piggy backed
- * on the mac address in word 3
- */
- ret_val = mbx->ops.read_posted(hw, msgbuf,
- IXGBE_VF_PERMADDR_MSG_LEN, 0);
- if (!ret_val) {
- if (msgbuf[0] == (IXGBE_VF_RESET |
- IXGBE_VT_MSGTYPE_ACK)) {
- memcpy(hw->mac.perm_addr, addr,
- IXGBE_ETH_LENGTH_OF_ADDRESS);
- hw->mac.mc_filter_type =
- msgbuf[IXGBE_VF_MC_TYPE_WORD];
- } else {
- ret_val = IXGBE_ERR_INVALID_MAC_ADDR;
- }
- }
- }
+ msgbuf[0] = IXGBE_VF_RESET;
+ mbx->ops.write_posted(hw, msgbuf, 1, 0);
+
+ msec_delay(10);
+
+ /*
+ * set our "perm_addr" based on info provided by PF
+ * also set up the mc_filter_type which is piggy backed
+ * on the mac address in word 3
+ */
+ ret_val = mbx->ops.read_posted(hw, msgbuf,
+ IXGBE_VF_PERMADDR_MSG_LEN, 0);
+ if (ret_val)
+ return ret_val;
+
+ if (msgbuf[0] != (IXGBE_VF_RESET | IXGBE_VT_MSGTYPE_ACK) &&
+ msgbuf[0] != (IXGBE_VF_RESET | IXGBE_VT_MSGTYPE_NACK))
+ return IXGBE_ERR_INVALID_MAC_ADDR;
+
+ memcpy(hw->mac.perm_addr, addr, IXGBE_ETH_LENGTH_OF_ADDRESS);
+ hw->mac.mc_filter_type = msgbuf[IXGBE_VF_MC_TYPE_WORD];
return ret_val;
}
reg_val &= ~IXGBE_RXDCTL_ENABLE;
IXGBE_VFWRITE_REG(hw, IXGBE_VFRXDCTL(i), reg_val);
}
+ /* Clear packet split and pool config */
+ IXGBE_WRITE_REG(hw, IXGBE_VFPSRTYPE, 0);
/* flush all queues disables */
IXGBE_WRITE_FLUSH(hw);
* by the MO field of the MCSTCTRL. The MO field is set during initialization
* to mc_filter_type.
**/
-static s32 ixgbe_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr)
+STATIC s32 ixgbe_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr)
{
u32 vector = 0;
return vector;
}
-static void ixgbevf_write_msg_read_ack(struct ixgbe_hw *hw,
+STATIC void ixgbevf_write_msg_read_ack(struct ixgbe_hw *hw,
u32 *msg, u16 size)
{
struct ixgbe_mbx_info *mbx = &hw->mbx;
* @enable_addr: set flag that address is active
**/
s32 ixgbe_set_rar_vf(struct ixgbe_hw *hw, u32 index, u8 *addr, u32 vmdq,
- u32 enable_addr)
+ u32 enable_addr)
{
struct ixgbe_mbx_info *mbx = &hw->mbx;
u32 msgbuf[3];
u8 *msg_addr = (u8 *)(&msgbuf[1]);
s32 ret_val;
+ UNREFERENCED_3PARAMETER(vmdq, enable_addr, index);
memset(msgbuf, 0, 12);
msgbuf[0] = IXGBE_VF_SET_MAC_ADDR;
* Updates the Multicast Table Array.
**/
s32 ixgbe_update_mc_addr_list_vf(struct ixgbe_hw *hw, u8 *mc_addr_list,
- u32 mc_addr_count, ixgbe_mc_addr_itr next,
- bool clear)
+ u32 mc_addr_count, ixgbe_mc_addr_itr next,
+ bool clear)
{
struct ixgbe_mbx_info *mbx = &hw->mbx;
u32 msgbuf[IXGBE_VFMAILBOX_SIZE];
u32 cnt, i;
u32 vmdq;
+ UNREFERENCED_1PARAMETER(clear);
DEBUGFUNC("ixgbe_update_mc_addr_list_vf");
struct ixgbe_mbx_info *mbx = &hw->mbx;
u32 msgbuf[2];
s32 ret_val;
+ UNREFERENCED_1PARAMETER(vind);
msgbuf[0] = IXGBE_VF_SET_VLAN;
msgbuf[1] = vlan;
**/
u32 ixgbe_get_num_of_tx_queues_vf(struct ixgbe_hw *hw)
{
+ UNREFERENCED_1PARAMETER(hw);
return IXGBE_VF_MAX_TX_QUEUES;
}
**/
u32 ixgbe_get_num_of_rx_queues_vf(struct ixgbe_hw *hw)
{
+ UNREFERENCED_1PARAMETER(hw);
return IXGBE_VF_MAX_RX_QUEUES;
}
*
* Set the link speed in the AUTOC register and restarts link.
**/
-s32 ixgbe_setup_mac_link_vf(struct ixgbe_hw *hw,
- ixgbe_link_speed speed, bool autoneg,
- bool autoneg_wait_to_complete)
+s32 ixgbe_setup_mac_link_vf(struct ixgbe_hw *hw, ixgbe_link_speed speed,
+ bool autoneg_wait_to_complete)
{
+ UNREFERENCED_3PARAMETER(hw, speed, autoneg_wait_to_complete);
return IXGBE_SUCCESS;
}
* Reads the links register to determine if link is up and the current speed
**/
s32 ixgbe_check_mac_link_vf(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
- bool *link_up, bool autoneg_wait_to_complete)
+ bool *link_up, bool autoneg_wait_to_complete)
{
+ struct ixgbe_mbx_info *mbx = &hw->mbx;
+ struct ixgbe_mac_info *mac = &hw->mac;
+ s32 ret_val = IXGBE_SUCCESS;
u32 links_reg;
+ u32 in_msg = 0;
+ UNREFERENCED_1PARAMETER(autoneg_wait_to_complete);
- if (!(hw->mbx.ops.check_for_rst(hw, 0))) {
- *link_up = false;
- *speed = 0;
- return -1;
- }
+ /* If we were hit with a reset drop the link */
+ if (!mbx->ops.check_for_rst(hw, 0) || !mbx->timeout)
+ mac->get_link_status = true;
+
+ if (!mac->get_link_status)
+ goto out;
- links_reg = IXGBE_VFREAD_REG(hw, IXGBE_VFLINKS);
+ /* if link status is down no point in checking to see if pf is up */
+ links_reg = IXGBE_READ_REG(hw, IXGBE_VFLINKS);
+ if (!(links_reg & IXGBE_LINKS_UP))
+ goto out;
+
+ /* for SFP+ modules and DA cables on 82599 it can take up to 500usecs
+ * before the link status is correct
+ */
+ if (mac->type == ixgbe_mac_82599_vf) {
+ int i;
- if (links_reg & IXGBE_LINKS_UP)
- *link_up = true;
- else
- *link_up = false;
+ for (i = 0; i < 5; i++) {
+ usec_delay(100);
+ links_reg = IXGBE_READ_REG(hw, IXGBE_VFLINKS);
- switch (links_reg & IXGBE_LINKS_SPEED_10G_82599) {
+ if (!(links_reg & IXGBE_LINKS_UP))
+ goto out;
+ }
+ }
+
+ switch (links_reg & IXGBE_LINKS_SPEED_82599) {
case IXGBE_LINKS_SPEED_10G_82599:
*speed = IXGBE_LINK_SPEED_10GB_FULL;
break;
break;
}
- return IXGBE_SUCCESS;
+ /* if the read failed it could just be a mailbox collision, best wait
+ * until we are called again and don't report an error
+ */
+ if (mbx->ops.read(hw, &in_msg, 1, 0))
+ goto out;
+
+ if (!(in_msg & IXGBE_VT_MSGTYPE_CTS)) {
+ /* msg is not CTS and is NACK we must have lost CTS status */
+ if (in_msg & IXGBE_VT_MSGTYPE_NACK)
+ ret_val = -1;
+ goto out;
+ }
+
+ /* the pf is talking, if we timed out in the past we reinit */
+ if (!mbx->timeout) {
+ ret_val = -1;
+ goto out;
+ }
+
+ /* if we passed all the tests above then the link is up and we no
+ * longer need to check for link
+ */
+ mac->get_link_status = false;
+
+out:
+ *link_up = !mac->get_link_status;
+ return ret_val;
}
/**