/**
* ixgbe_set_mac_type - Sets MAC type
* @hw: pointer to the HW structure
*
* This function sets the mac type of the adapter based on the
* vendor ID and device ID stored in the hw structure.
**/
s32 ixgbe_set_mac_type(struct ixgbe_hw *hw)
{
s32 ret_val = 0;
if (hw->vendor_id != IXGBE_INTEL_VENDOR_ID) {
ERROR_REPORT2(IXGBE_ERROR_UNSUPPORTED,
"Unsupported vendor id: %x", hw->vendor_id);
return IXGBE_ERR_DEVICE_NOT_SUPPORTED;
}
switch (hw->device_id) {
case IXGBE_DEV_ID_82598:
case IXGBE_DEV_ID_82598_BX:
case IXGBE_DEV_ID_82598AF_SINGLE_PORT:
case IXGBE_DEV_ID_82598AF_DUAL_PORT:
case IXGBE_DEV_ID_82598AT:
case IXGBE_DEV_ID_82598AT2:
case IXGBE_DEV_ID_82598EB_CX4:
case IXGBE_DEV_ID_82598_CX4_DUAL_PORT:
case IXGBE_DEV_ID_82598_DA_DUAL_PORT:
case IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM:
case IXGBE_DEV_ID_82598EB_XF_LR:
case IXGBE_DEV_ID_82598EB_SFP_LOM:
hw->mac.type = ixgbe_mac_82598EB;
break;
case IXGBE_DEV_ID_82599_KX4:
case IXGBE_DEV_ID_82599_KX4_MEZZ:
case IXGBE_DEV_ID_82599_XAUI_LOM:
case IXGBE_DEV_ID_82599_COMBO_BACKPLANE:
case IXGBE_DEV_ID_82599_KR:
case IXGBE_DEV_ID_82599_SFP:
case IXGBE_DEV_ID_82599_BACKPLANE_FCOE:
case IXGBE_DEV_ID_82599_SFP_FCOE:
case IXGBE_DEV_ID_82599_SFP_EM:
case IXGBE_DEV_ID_82599_SFP_SF2:
case IXGBE_DEV_ID_82599_SFP_SF_QP:
case IXGBE_DEV_ID_82599_QSFP_SF_QP:
case IXGBE_DEV_ID_82599EN_SFP:
case IXGBE_DEV_ID_82599_CX4:
case IXGBE_DEV_ID_82599_LS:
case IXGBE_DEV_ID_82599_T3_LOM:
hw->mac.type = ixgbe_mac_82599EB;
break;
case IXGBE_DEV_ID_X540T:
case IXGBE_DEV_ID_X540T1:
hw->mac.type = ixgbe_mac_X540;
break;
default:
ret_val = IXGBE_ERR_DEVICE_NOT_SUPPORTED;
ERROR_REPORT2(IXGBE_ERROR_UNSUPPORTED,
"Unsupported device id: %x",
hw->device_id);
break;
}
hw_dbg(hw, "ixgbe_set_mac_type found mac: %d, returns: %d\n",
hw->mac.type, ret_val);
return ret_val;
}
/**
* fm10k_set_mac_type - Sets MAC type
* @hw: pointer to the HW structure
*
* This function sets the mac type of the adapter based on the
* vendor ID and device ID stored in the hw structure.
**/
s32 fm10k_set_mac_type(struct fm10k_hw *hw)
{
s32 ret_val = FM10K_SUCCESS;
DEBUGFUNC("fm10k_set_mac_type");
if (hw->vendor_id != FM10K_INTEL_VENDOR_ID) {
ERROR_REPORT2(FM10K_ERROR_UNSUPPORTED,
"Unsupported vendor id: %x\n", hw->vendor_id);
return FM10K_ERR_DEVICE_NOT_SUPPORTED;
}
switch (hw->device_id) {
case FM10K_DEV_ID_PF:
#ifdef BOULDER_RAPIDS_HW
case FM10K_DEV_ID_SDI_FM10420_QDA2:
#endif /* BOULDER_RAPIDS_HW */
#ifdef ATWOOD_CHANNEL_HW
case FM10K_DEV_ID_SDI_FM10420_DA2:
#endif /* ATWOOD_CHANNEL_HW */
hw->mac.type = fm10k_mac_pf;
break;
case FM10K_DEV_ID_VF:
hw->mac.type = fm10k_mac_vf;
break;
default:
ret_val = FM10K_ERR_DEVICE_NOT_SUPPORTED;
ERROR_REPORT2(FM10K_ERROR_UNSUPPORTED,
"Unsupported device id: %x\n",
hw->device_id);
break;
}
DEBUGOUT2("fm10k_set_mac_type found mac: %d, returns: %d\n",
hw->mac.type, ret_val);
return ret_val;
}
/**
* ixgbe_write_mbx - Write a message to the mailbox
* @hw: pointer to the HW structure
* @msg: The message buffer
* @size: Length of buffer
* @mbx_id: id of mailbox to write
*
* returns SUCCESS if it successfully copied message into the buffer
**/
s32 ixgbe_write_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size, u16 mbx_id)
{
struct ixgbe_mbx_info *mbx = &hw->mbx;
s32 ret_val = 0;
if (size > mbx->size) {
ret_val = IXGBE_ERR_MBX;
ERROR_REPORT2(IXGBE_ERROR_ARGUMENT,
"Invalid mailbox message size %d", size);
} else if (mbx->ops.write)
ret_val = mbx->ops.write(hw, msg, size, mbx_id);
return ret_val;
}
/**
* ixgbe_obtain_mbx_lock_pf - obtain mailbox lock
* @hw: pointer to the HW structure
* @vf_number: the VF index
*
* return SUCCESS if we obtained the mailbox lock
**/
static s32 ixgbe_obtain_mbx_lock_pf(struct ixgbe_hw *hw, u16 vf_number)
{
s32 ret_val = IXGBE_ERR_MBX;
u32 p2v_mailbox;
/* Take ownership of the buffer */
IXGBE_WRITE_REG(hw, IXGBE_PFMAILBOX(vf_number), IXGBE_PFMAILBOX_PFU);
/* reserve mailbox for vf use */
p2v_mailbox = IXGBE_READ_REG(hw, IXGBE_PFMAILBOX(vf_number));
if (p2v_mailbox & IXGBE_PFMAILBOX_PFU)
ret_val = 0;
else
ERROR_REPORT2(IXGBE_ERROR_POLLING,
"Failed to obtain mailbox lock for VF%d", vf_number);
return ret_val;
}
/**
* ixgbe_poll_for_ack - Wait for message acknowledgement
* @hw: pointer to the HW structure
* @mbx_id: id of mailbox to write
*
* returns SUCCESS if it successfully received a message acknowledgement
**/
static s32 ixgbe_poll_for_ack(struct ixgbe_hw *hw, u16 mbx_id)
{
struct ixgbe_mbx_info *mbx = &hw->mbx;
int countdown = mbx->timeout;
if (!countdown || !mbx->ops.check_for_ack)
goto out;
while (countdown && mbx->ops.check_for_ack(hw, mbx_id)) {
countdown--;
if (!countdown)
break;
udelay(mbx->udelay);
}
if (countdown == 0)
ERROR_REPORT2(IXGBE_ERROR_POLLING,
"Polling for VF%d mailbox ack timedout", mbx_id);
out:
return countdown ? 0 : IXGBE_ERR_MBX;
}
/**
* ixgbe_poll_for_msg - Wait for message notification
* @hw: pointer to the HW structure
* @mbx_id: id of mailbox to write
*
* returns SUCCESS if it successfully received a message notification
**/
static s32 ixgbe_poll_for_msg(struct ixgbe_hw *hw, u16 mbx_id)
{
struct ixgbe_mbx_info *mbx = &hw->mbx;
int countdown = mbx->timeout;
DEBUGFUNC("ixgbe_poll_for_msg");
if (!countdown || !mbx->ops.check_for_msg)
goto out;
while (countdown && mbx->ops.check_for_msg(hw, mbx_id)) {
countdown--;
if (!countdown)
break;
usec_delay(mbx->usec_delay);
}
if (countdown == 0)
ERROR_REPORT2(IXGBE_ERROR_POLLING,
"Polling for VF%d mailbox message timedout", mbx_id);
out:
return countdown ? IXGBE_SUCCESS : IXGBE_ERR_MBX;
}
/**
* ixgbe_set_mac_type - Sets MAC type
* @hw: pointer to the HW structure
*
* This function sets the mac type of the adapter based on the
* vendor ID and device ID stored in the hw structure.
**/
s32 ixgbe_set_mac_type(struct ixgbe_hw *hw)
{
s32 ret_val = IXGBE_SUCCESS;
DEBUGFUNC("ixgbe_set_mac_type\n");
if (hw->vendor_id != IXGBE_INTEL_VENDOR_ID) {
ERROR_REPORT2(IXGBE_ERROR_UNSUPPORTED,
"Unsupported vendor id: %x", hw->vendor_id);
return IXGBE_ERR_DEVICE_NOT_SUPPORTED;
}
hw->mvals = ixgbe_mvals_base;
switch (hw->device_id) {
case IXGBE_DEV_ID_82598:
case IXGBE_DEV_ID_82598_BX:
case IXGBE_DEV_ID_82598AF_SINGLE_PORT:
case IXGBE_DEV_ID_82598AF_DUAL_PORT:
case IXGBE_DEV_ID_82598AT:
case IXGBE_DEV_ID_82598AT2:
case IXGBE_DEV_ID_82598EB_CX4:
case IXGBE_DEV_ID_82598_CX4_DUAL_PORT:
case IXGBE_DEV_ID_82598_DA_DUAL_PORT:
case IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM:
case IXGBE_DEV_ID_82598EB_XF_LR:
case IXGBE_DEV_ID_82598EB_SFP_LOM:
hw->mac.type = ixgbe_mac_82598EB;
break;
case IXGBE_DEV_ID_82599_KX4:
case IXGBE_DEV_ID_82599_KX4_MEZZ:
case IXGBE_DEV_ID_82599_XAUI_LOM:
case IXGBE_DEV_ID_82599_COMBO_BACKPLANE:
case IXGBE_DEV_ID_82599_KR:
case IXGBE_DEV_ID_82599_SFP:
case IXGBE_DEV_ID_82599_BACKPLANE_FCOE:
case IXGBE_DEV_ID_82599_SFP_FCOE:
case IXGBE_DEV_ID_82599_SFP_EM:
case IXGBE_DEV_ID_82599_SFP_SF2:
case IXGBE_DEV_ID_82599_SFP_SF_QP:
case IXGBE_DEV_ID_82599_QSFP_SF_QP:
case IXGBE_DEV_ID_82599EN_SFP:
case IXGBE_DEV_ID_82599_CX4:
case IXGBE_DEV_ID_82599_BYPASS:
case IXGBE_DEV_ID_82599_T3_LOM:
hw->mac.type = ixgbe_mac_82599EB;
break;
case IXGBE_DEV_ID_82599_VF:
case IXGBE_DEV_ID_82599_VF_HV:
hw->mac.type = ixgbe_mac_82599_vf;
break;
case IXGBE_DEV_ID_X540_VF:
case IXGBE_DEV_ID_X540_VF_HV:
hw->mac.type = ixgbe_mac_X540_vf;
hw->mvals = ixgbe_mvals_X540;
break;
case IXGBE_DEV_ID_X540T:
case IXGBE_DEV_ID_X540T1:
case IXGBE_DEV_ID_X540_BYPASS:
hw->mac.type = ixgbe_mac_X540;
hw->mvals = ixgbe_mvals_X540;
break;
case IXGBE_DEV_ID_X550T:
case IXGBE_DEV_ID_X550T1:
hw->mac.type = ixgbe_mac_X550;
hw->mvals = ixgbe_mvals_X550;
break;
case IXGBE_DEV_ID_X550EM_X_KX4:
case IXGBE_DEV_ID_X550EM_X_KR:
case IXGBE_DEV_ID_X550EM_X_10G_T:
case IXGBE_DEV_ID_X550EM_X_1G_T:
case IXGBE_DEV_ID_X550EM_X_SFP:
hw->mac.type = ixgbe_mac_X550EM_x;
hw->mvals = ixgbe_mvals_X550EM_x;
break;
case IXGBE_DEV_ID_X550_VF:
case IXGBE_DEV_ID_X550_VF_HV:
hw->mac.type = ixgbe_mac_X550_vf;
hw->mvals = ixgbe_mvals_X550;
break;
case IXGBE_DEV_ID_X550EM_X_VF:
case IXGBE_DEV_ID_X550EM_X_VF_HV:
hw->mac.type = ixgbe_mac_X550EM_x_vf;
hw->mvals = ixgbe_mvals_X550EM_x;
break;
default:
ret_val = IXGBE_ERR_DEVICE_NOT_SUPPORTED;
ERROR_REPORT2(IXGBE_ERROR_UNSUPPORTED,
"Unsupported device id: %x",
hw->device_id);
break;
}
DEBUGOUT2("ixgbe_set_mac_type found mac: %d, returns: %d\n",
hw->mac.type, ret_val);
return ret_val;
}
/**
* ixgbe_reset_hw_X540 - Perform hardware reset
* @hw: pointer to hardware structure
*
* Resets the hardware by resetting the transmit and receive units, masks
* and clears all interrupts, and perform a reset.
**/
s32 ixgbe_reset_hw_X540(struct ixgbe_hw *hw)
{
s32 status;
u32 ctrl, i;
u32 swfw_mask = hw->phy.phy_semaphore_mask;
DEBUGFUNC("ixgbe_reset_hw_X540");
/* Call adapter stop to disable tx/rx and clear interrupts */
status = hw->mac.ops.stop_adapter(hw);
if (status != IXGBE_SUCCESS)
goto reset_hw_out;
/* flush pending Tx transactions */
ixgbe_clear_tx_pending(hw);
mac_reset_top:
status = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask);
if (status != IXGBE_SUCCESS) {
ERROR_REPORT2(IXGBE_ERROR_CAUTION,
"semaphore failed with %d", status);
return IXGBE_ERR_SWFW_SYNC;
}
ctrl = IXGBE_CTRL_RST;
ctrl |= IXGBE_READ_REG(hw, IXGBE_CTRL);
IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl);
IXGBE_WRITE_FLUSH(hw);
hw->mac.ops.release_swfw_sync(hw, swfw_mask);
/* Poll for reset bit to self-clear indicating reset is complete */
for (i = 0; i < 10; i++) {
usec_delay(1);
ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
if (!(ctrl & IXGBE_CTRL_RST_MASK))
break;
}
if (ctrl & IXGBE_CTRL_RST_MASK) {
status = IXGBE_ERR_RESET_FAILED;
ERROR_REPORT1(IXGBE_ERROR_POLLING,
"Reset polling failed to complete.\n");
}
msec_delay(100);
/*
* Double resets are required for recovery from certain error
* conditions. Between resets, it is necessary to stall to allow time
* for any pending HW events to complete.
*/
if (hw->mac.flags & IXGBE_FLAGS_DOUBLE_RESET_REQUIRED) {
hw->mac.flags &= ~IXGBE_FLAGS_DOUBLE_RESET_REQUIRED;
goto mac_reset_top;
}
/* Set the Rx packet buffer size. */
IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(0), 384 << IXGBE_RXPBSIZE_SHIFT);
/* Store the permanent mac address */
hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr);
/*
* Store MAC address from RAR0, clear receive address registers, and
* clear the multicast table. Also reset num_rar_entries to 128,
* since we modify this value when programming the SAN MAC address.
*/
hw->mac.num_rar_entries = 128;
hw->mac.ops.init_rx_addrs(hw);
/* Store the permanent SAN mac address */
hw->mac.ops.get_san_mac_addr(hw, hw->mac.san_addr);
/* Add the SAN MAC address to the RAR only if it's a valid address */
if (ixgbe_validate_mac_addr(hw->mac.san_addr) == 0) {
/* Save the SAN MAC RAR index */
hw->mac.san_mac_rar_index = hw->mac.num_rar_entries - 1;
hw->mac.ops.set_rar(hw, hw->mac.san_mac_rar_index,
hw->mac.san_addr, 0, IXGBE_RAH_AV);
/* clear VMDq pool/queue selection for this RAR */
hw->mac.ops.clear_vmdq(hw, hw->mac.san_mac_rar_index,
IXGBE_CLEAR_VMDQ_ALL);
/* Reserve the last RAR for the SAN MAC address */
hw->mac.num_rar_entries--;
}
/* Store the alternative WWNN/WWPN prefix */
hw->mac.ops.get_wwn_prefix(hw, &hw->mac.wwnn_prefix,
&hw->mac.wwpn_prefix);
reset_hw_out:
return status;
}
