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fm10k: Add support for VF 

This patch provides the functions necessary to configure the VF making use
of the same API pointers as the PF.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Alexander Duyck 2014-09-20 19:51:40 -04:00 committed by Jeff Kirsher
parent b651957c20
commit 5cb8db4a4c
9 changed files with 837 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/intel/fm10k/Makefile
View File

@ -28,5 +28,5 @@
obj-$(CONFIG_FM10K) += fm10k.o
fm10k-objs := fm10k_main.o fm10k_common.o fm10k_pci.o \
fm10k_netdev.o fm10k_ethtool.o fm10k_pf.o \
fm10k_netdev.o fm10k_ethtool.o fm10k_pf.o fm10k_vf.o \
fm10k_mbx.o fm10k_tlv.o

4
drivers/net/ethernet/intel/fm10k/fm10k.h
View File

@ -28,6 +28,7 @@
#include <linux/pci.h>
#include "fm10k_pf.h"
#include "fm10k_vf.h"
#define FM10K_MAX_JUMBO_FRAME_SIZE 15358 /* Maximum supported size 15K */
@ -180,12 +181,13 @@ static inline struct netdev_queue *txring_txq(const struct fm10k_ring *ring)
#define MIN_Q_VECTORS 1
enum fm10k_non_q_vectors {
FM10K_MBX_VECTOR,
#define NON_Q_VECTORS_VF NON_Q_VECTORS_PF
NON_Q_VECTORS_PF
};
#define NON_Q_VECTORS(hw) (((hw)->mac.type == fm10k_mac_pf) ? \
NON_Q_VECTORS_PF : \
0)
NON_Q_VECTORS_VF)
#define MIN_MSIX_COUNT(hw) (MIN_Q_VECTORS + NON_Q_VECTORS(hw))
struct fm10k_q_vector {

114
drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c
View File

@ -102,6 +102,17 @@ static const struct fm10k_stats fm10k_gstrings_stats[] = {
FM10K_NETDEV_STATS_LEN + \
FM10K_QUEUE_STATS_LEN)
static const char fm10k_gstrings_test[][ETH_GSTRING_LEN] = {
"Mailbox test (on/offline)"
};
#define FM10K_TEST_LEN (sizeof(fm10k_gstrings_test) / ETH_GSTRING_LEN)
enum fm10k_self_test_types {
FM10K_TEST_MBX,
FM10K_TEST_MAX = FM10K_TEST_LEN
};
static void fm10k_get_strings(struct net_device *dev, u32 stringset,
u8 *data)
{
@ -109,6 +120,10 @@ static void fm10k_get_strings(struct net_device *dev, u32 stringset,
int i;
switch (stringset) {
case ETH_SS_TEST:
memcpy(data, *fm10k_gstrings_test,
FM10K_TEST_LEN * ETH_GSTRING_LEN);
break;
case ETH_SS_STATS:
for (i = 0; i < FM10K_NETDEV_STATS_LEN; i++) {
memcpy(p, fm10k_gstrings_net_stats[i].stat_string,
@ -138,6 +153,8 @@ static void fm10k_get_strings(struct net_device *dev, u32 stringset,
static int fm10k_get_sset_count(struct net_device *dev, int sset)
{
switch (sset) {
case ETH_SS_TEST:
return FM10K_TEST_LEN;
case ETH_SS_STATS:
return FM10K_STATS_LEN;
default:
@ -287,6 +304,28 @@ static void fm10k_get_regs(struct net_device *netdev,
for (i = 0; i < 130; i++)
*(buff++) = fm10k_read_reg(hw, FM10K_ITR(i));
break;
case fm10k_mac_vf:
/* General VF registers */
*(buff++) = fm10k_read_reg(hw, FM10K_VFCTRL);
*(buff++) = fm10k_read_reg(hw, FM10K_VFINT_MAP);
*(buff++) = fm10k_read_reg(hw, FM10K_VFSYSTIME);
/* Interrupt Throttling Registers */
for (i = 0; i < 8; i++)
*(buff++) = fm10k_read_reg(hw, FM10K_VFITR(i));
fm10k_get_reg_vsi(hw, buff, 0);
buff += FM10K_REGS_LEN_VSI;
for (i = 0; i < FM10K_MAX_QUEUES_POOL; i++) {
if (i < hw->mac.max_queues)
fm10k_get_reg_q(hw, buff, i);
else
memset(buff, 0, sizeof(u32) * FM10K_REGS_LEN_Q);
buff += FM10K_REGS_LEN_Q;
}
break;
default:
return;
@ -296,6 +335,8 @@ static void fm10k_get_regs(struct net_device *netdev,
/* If function above adds more registers these define need to be updated */
#define FM10K_REGS_LEN_PF \
(162 + (65 * FM10K_REGS_LEN_VSI) + (FM10K_MAX_QUEUES_PF * FM10K_REGS_LEN_Q))
#define FM10K_REGS_LEN_VF \
(11 + FM10K_REGS_LEN_VSI + (FM10K_MAX_QUEUES_POOL * FM10K_REGS_LEN_Q))
static int fm10k_get_regs_len(struct net_device *netdev)
{
@ -305,6 +346,8 @@ static int fm10k_get_regs_len(struct net_device *netdev)
switch (hw->mac.type) {
case fm10k_mac_pf:
return FM10K_REGS_LEN_PF * sizeof(u32);
case fm10k_mac_vf:
return FM10K_REGS_LEN_VF * sizeof(u32);
default:
return 0;
}
@ -734,6 +777,76 @@ static int fm10k_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
return ret;
}
static int fm10k_mbx_test(struct fm10k_intfc *interface, u64 *data)
{
struct fm10k_hw *hw = &interface->hw;
struct fm10k_mbx_info *mbx = &hw->mbx;
u32 attr_flag, test_msg[6];
unsigned long timeout;
int err;
/* For now this is a VF only feature */
if (hw->mac.type != fm10k_mac_vf)
return 0;
/* loop through both nested and unnested attribute types */
for (attr_flag = (1 << FM10K_TEST_MSG_UNSET);
attr_flag < (1 << (2 * FM10K_TEST_MSG_NESTED));
attr_flag += attr_flag) {
/* generate message to be tested */
fm10k_tlv_msg_test_create(test_msg, attr_flag);
fm10k_mbx_lock(interface);
mbx->test_result = FM10K_NOT_IMPLEMENTED;
err = mbx->ops.enqueue_tx(hw, mbx, test_msg);
fm10k_mbx_unlock(interface);
/* wait up to 1 second for response */
timeout = jiffies + HZ;
do {
if (err < 0)
goto err_out;
usleep_range(500, 1000);
fm10k_mbx_lock(interface);
mbx->ops.process(hw, mbx);
fm10k_mbx_unlock(interface);
err = mbx->test_result;
if (!err)
break;
} while (time_is_after_jiffies(timeout));
/* reporting errors */
if (err)
goto err_out;
}
err_out:
*data = err < 0 ? (attr_flag) : (err > 0);
return err;
}
static void fm10k_self_test(struct net_device *dev,
struct ethtool_test *eth_test, u64 *data)
{
struct fm10k_intfc *interface = netdev_priv(dev);
struct fm10k_hw *hw = &interface->hw;
memset(data, 0, sizeof(*data) * FM10K_TEST_LEN);
if (FM10K_REMOVED(hw)) {
netif_err(interface, drv, dev,
"Interface removed - test blocked\n");
eth_test->flags |= ETH_TEST_FL_FAILED;
return;
}
if (fm10k_mbx_test(interface, &data[FM10K_TEST_MBX]))
eth_test->flags |= ETH_TEST_FL_FAILED;
}
static u32 fm10k_get_reta_size(struct net_device *netdev)
{
return FM10K_RETA_SIZE * FM10K_RETA_ENTRIES_PER_REG;
@ -911,6 +1024,7 @@ static const struct ethtool_ops fm10k_ethtool_ops = {
.set_rxnfc = fm10k_set_rxnfc,
.get_regs = fm10k_get_regs,
.get_regs_len = fm10k_get_regs_len,
.self_test = fm10k_self_test,
.get_rxfh_indir_size = fm10k_get_reta_size,
.get_rxfh_key_size = fm10k_get_rssrk_size,
.get_rxfh = fm10k_get_rssh,

4
drivers/net/ethernet/intel/fm10k/fm10k_mbx.c
View File

@ -1517,6 +1517,10 @@ s32 fm10k_pfvf_mbx_init(struct fm10k_hw *hw, struct fm10k_mbx_info *mbx,
{
/* initialize registers */
switch (hw->mac.type) {
case fm10k_mac_vf:
mbx->mbx_reg = FM10K_VFMBX;
mbx->mbmem_reg = FM10K_VFMBMEM(FM10K_VFMBMEM_VF_XOR);
break;
case fm10k_mac_pf:
/* there are only 64 VF <-> PF mailboxes */
if (id < 64) {

15
drivers/net/ethernet/intel/fm10k/fm10k_netdev.c
View File

@ -976,6 +976,21 @@ void fm10k_restore_rx_state(struct fm10k_intfc *interface)
int xcast_mode;
u16 vid, glort;
/* restore our address if perm_addr is set */
if (hw->mac.type == fm10k_mac_vf) {
if (is_valid_ether_addr(hw->mac.perm_addr)) {
ether_addr_copy(hw->mac.addr, hw->mac.perm_addr);
ether_addr_copy(netdev->perm_addr, hw->mac.perm_addr);
ether_addr_copy(netdev->dev_addr, hw->mac.perm_addr);
netdev->addr_assign_type &= ~NET_ADDR_RANDOM;
}
if (hw->mac.vlan_override)
netdev->features &= ~NETIF_F_HW_VLAN_CTAG_RX;
else
netdev->features |= NETIF_F_HW_VLAN_CTAG_RX;
}
/* record glort for this interface */
glort = interface->glort;

102
drivers/net/ethernet/intel/fm10k/fm10k_pci.c
View File

@ -25,6 +25,7 @@
static const struct fm10k_info *fm10k_info_tbl[] = {
[fm10k_device_pf] = &fm10k_pf_info,
[fm10k_device_vf] = &fm10k_vf_info,
};
/**
@ -38,6 +39,7 @@ static const struct fm10k_info *fm10k_info_tbl[] = {
*/
static const struct pci_device_id fm10k_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, FM10K_DEV_ID_PF), fm10k_device_pf },
{ PCI_VDEVICE(INTEL, FM10K_DEV_ID_VF), fm10k_device_vf },
/* required last entry */
{ 0, }
};
@ -805,6 +807,28 @@ static irqreturn_t fm10k_msix_clean_rings(int irq, void *data)
return IRQ_HANDLED;
}
static irqreturn_t fm10k_msix_mbx_vf(int irq, void *data)
{
struct fm10k_intfc *interface = data;
struct fm10k_hw *hw = &interface->hw;
struct fm10k_mbx_info *mbx = &hw->mbx;
/* re-enable mailbox interrupt and indicate 20us delay */
fm10k_write_reg(hw, FM10K_VFITR(FM10K_MBX_VECTOR),
FM10K_ITR_ENABLE | FM10K_MBX_INT_DELAY);
/* service upstream mailbox */
if (fm10k_mbx_trylock(interface)) {
mbx->ops.process(hw, mbx);
fm10k_mbx_unlock(interface);
}
hw->mac.get_host_state = 1;
fm10k_service_event_schedule(interface);
return IRQ_HANDLED;
}
#define FM10K_ERR_MSG(type) case (type): error = #type; break
static void fm10k_print_fault(struct fm10k_intfc *interface, int type,
struct fm10k_fault *fault)
@ -996,6 +1020,8 @@ void fm10k_mbx_free_irq(struct fm10k_intfc *interface)
FM10K_EIMR_DISABLE(VFLR) |
FM10K_EIMR_DISABLE(MAXHOLDTIME));
itr_reg = FM10K_ITR(FM10K_MBX_VECTOR);
} else {
itr_reg = FM10K_VFITR(FM10K_MBX_VECTOR);
}
fm10k_write_reg(hw, itr_reg, FM10K_ITR_MASK_SET);
@ -1003,6 +1029,33 @@ void fm10k_mbx_free_irq(struct fm10k_intfc *interface)
free_irq(entry->vector, interface);
}
static s32 fm10k_mbx_mac_addr(struct fm10k_hw *hw, u32 **results,
struct fm10k_mbx_info *mbx)
{
bool vlan_override = hw->mac.vlan_override;
u16 default_vid = hw->mac.default_vid;
struct fm10k_intfc *interface;
s32 err;
err = fm10k_msg_mac_vlan_vf(hw, results, mbx);
if (err)
return err;
interface = container_of(hw, struct fm10k_intfc, hw);
/* MAC was changed so we need reset */
if (is_valid_ether_addr(hw->mac.perm_addr) &&
memcmp(hw->mac.perm_addr, hw->mac.addr, ETH_ALEN))
interface->flags |= FM10K_FLAG_RESET_REQUESTED;
/* VLAN override was changed, or default VLAN changed */
if ((vlan_override != hw->mac.vlan_override) ||
(default_vid != hw->mac.default_vid))
interface->flags |= FM10K_FLAG_RESET_REQUESTED;
return 0;
}
/* generic error handler for mailbox issues */
static s32 fm10k_mbx_error(struct fm10k_hw *hw, u32 **results,
struct fm10k_mbx_info *mbx)
@ -1019,6 +1072,46 @@ static s32 fm10k_mbx_error(struct fm10k_hw *hw, u32 **results,
return 0;
}
static const struct fm10k_msg_data vf_mbx_data[] = {
FM10K_TLV_MSG_TEST_HANDLER(fm10k_tlv_msg_test),
FM10K_VF_MSG_MAC_VLAN_HANDLER(fm10k_mbx_mac_addr),
FM10K_VF_MSG_LPORT_STATE_HANDLER(fm10k_msg_lport_state_vf),
FM10K_TLV_MSG_ERROR_HANDLER(fm10k_mbx_error),
};
static int fm10k_mbx_request_irq_vf(struct fm10k_intfc *interface)
{
struct msix_entry *entry = &interface->msix_entries[FM10K_MBX_VECTOR];
struct net_device *dev = interface->netdev;
struct fm10k_hw *hw = &interface->hw;
int err;
/* Use timer0 for interrupt moderation on the mailbox */
u32 itr = FM10K_INT_MAP_TIMER0 | entry->entry;
/* register mailbox handlers */
err = hw->mbx.ops.register_handlers(&hw->mbx, vf_mbx_data);
if (err)
return err;
/* request the IRQ */
err = request_irq(entry->vector, fm10k_msix_mbx_vf, 0,
dev->name, interface);
if (err) {
netif_err(interface, probe, dev,
"request_irq for msix_mbx failed: %d\n", err);
return err;
}
/* map all of the interrupt sources */
fm10k_write_reg(hw, FM10K_VFINT_MAP, itr);
/* enable interrupt */
fm10k_write_reg(hw, FM10K_VFITR(entry->entry), FM10K_ITR_ENABLE);
return 0;
}
static s32 fm10k_lport_map(struct fm10k_hw *hw, u32 **results,
struct fm10k_mbx_info *mbx)
{
@ -1142,7 +1235,10 @@ int fm10k_mbx_request_irq(struct fm10k_intfc *interface)
int err;
/* enable Mailbox cause */
err = fm10k_mbx_request_irq_pf(interface);
if (hw->mac.type == fm10k_mac_pf)
err = fm10k_mbx_request_irq_pf(interface);
else
err = fm10k_mbx_request_irq_vf(interface);
/* connect mailbox */
if (!err)
@ -1220,7 +1316,9 @@ int fm10k_qv_request_irq(struct fm10k_intfc *interface)
}
/* Assign ITR register to q_vector */
q_vector->itr = &interface->uc_addr[FM10K_ITR(entry->entry)];
q_vector->itr = (hw->mac.type == fm10k_mac_pf) ?
&interface->uc_addr[FM10K_ITR(entry->entry)] :
&interface->uc_addr[FM10K_VFITR(entry->entry)];
/* request the IRQ */
err = request_irq(entry->vector, &fm10k_msix_clean_rings, 0,

9
drivers/net/ethernet/intel/fm10k/fm10k_type.h
View File

@ -351,6 +351,13 @@ struct fm10k_hw;
#define FM10K_QUEUE_DISABLE_TIMEOUT 100
#define FM10K_RESET_TIMEOUT 100
/* VF registers */
#define FM10K_VFCTRL 0x00000
#define FM10K_VFCTRL_RST 0x00000008
#define FM10K_VFINT_MAP 0x00030
#define FM10K_VFSYSTIME 0x00040
#define FM10K_VFITR(_n) ((_n) + 0x00060)
enum fm10k_int_source {
fm10k_int_Mailbox = 0,
fm10k_int_PCIeFault = 1,
@ -522,6 +529,7 @@ struct fm10k_mac_ops {
enum fm10k_mac_type {
fm10k_mac_unknown = 0,
fm10k_mac_pf,
fm10k_mac_vf,
fm10k_num_macs
};
@ -561,6 +569,7 @@ enum fm10k_xcast_modes {
enum fm10k_devices {
fm10k_device_pf,
fm10k_device_vf,
};
struct fm10k_info {

523
drivers/net/ethernet/intel/fm10k/fm10k_vf.c Normal file
View File

@ -0,0 +1,523 @@
/* Intel Ethernet Switch Host Interface Driver
* Copyright(c) 2013 - 2014 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* The full GNU General Public License is included in this distribution in
* the file called "COPYING".
*
* Contact Information:
* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*/
#include "fm10k_vf.h"
/**
* fm10k_stop_hw_vf - Stop Tx/Rx units
* @hw: pointer to hardware structure
*
**/
static s32 fm10k_stop_hw_vf(struct fm10k_hw *hw)
{
u8 *perm_addr = hw->mac.perm_addr;
u32 bal = 0, bah = 0;
s32 err;
u16 i;
/* we need to disable the queues before taking further steps */
err = fm10k_stop_hw_generic(hw);
if (err)
return err;
/* If permenant address is set then we need to restore it */
if (is_valid_ether_addr(perm_addr)) {
bal = (((u32)perm_addr[3]) << 24) |
(((u32)perm_addr[4]) << 16) |
(((u32)perm_addr[5]) << 8);
bah = (((u32)0xFF) << 24) |
(((u32)perm_addr[0]) << 16) |
(((u32)perm_addr[1]) << 8) |
((u32)perm_addr[2]);
}
/* The queues have already been disabled so we just need to
* update their base address registers
*/
for (i = 0; i < hw->mac.max_queues; i++) {
fm10k_write_reg(hw, FM10K_TDBAL(i), bal);
fm10k_write_reg(hw, FM10K_TDBAH(i), bah);
fm10k_write_reg(hw, FM10K_RDBAL(i), bal);
fm10k_write_reg(hw, FM10K_RDBAH(i), bah);
}
return 0;
}
/**
* fm10k_reset_hw_vf - VF hardware reset
* @hw: pointer to hardware structure
*
* This function should return the hardare to a state similar to the
* one it is in after just being initialized.
**/
static s32 fm10k_reset_hw_vf(struct fm10k_hw *hw)
{
s32 err;
/* shut down queues we own and reset DMA configuration */
err = fm10k_stop_hw_vf(hw);
if (err)
return err;
/* Inititate VF reset */
fm10k_write_reg(hw, FM10K_VFCTRL, FM10K_VFCTRL_RST);
/* Flush write and allow 100us for reset to complete */
fm10k_write_flush(hw);
udelay(FM10K_RESET_TIMEOUT);
/* Clear reset bit and verify it was cleared */
fm10k_write_reg(hw, FM10K_VFCTRL, 0);
if (fm10k_read_reg(hw, FM10K_VFCTRL) & FM10K_VFCTRL_RST)
err = FM10K_ERR_RESET_FAILED;
return err;
}
/**
* fm10k_init_hw_vf - VF hardware initialization
* @hw: pointer to hardware structure
*
**/
static s32 fm10k_init_hw_vf(struct fm10k_hw *hw)
{
u32 tqdloc, tqdloc0 = ~fm10k_read_reg(hw, FM10K_TQDLOC(0));
s32 err;
u16 i;
/* assume we always have at least 1 queue */
for (i = 1; tqdloc0 && (i < FM10K_MAX_QUEUES_POOL); i++) {
/* verify the Descriptor cache offsets are increasing */
tqdloc = ~fm10k_read_reg(hw, FM10K_TQDLOC(i));
if (!tqdloc || (tqdloc == tqdloc0))
break;
/* check to verify the PF doesn't own any of our queues */
if (!~fm10k_read_reg(hw, FM10K_TXQCTL(i)) ||
!~fm10k_read_reg(hw, FM10K_RXQCTL(i)))
break;
}
/* shut down queues we own and reset DMA configuration */
err = fm10k_disable_queues_generic(hw, i);
if (err)
return err;
/* record maximum queue count */
hw->mac.max_queues = i;
return 0;
}
/**
* fm10k_is_slot_appropriate_vf - Indicate appropriate slot for this SKU
* @hw: pointer to hardware structure
*
* Looks at the PCIe bus info to confirm whether or not this slot can support
* the necessary bandwidth for this device. Since the VF has no control over
* the "slot" it is in, always indicate that the slot is appropriate.
**/
static bool fm10k_is_slot_appropriate_vf(struct fm10k_hw *hw)
{
return true;
}
/* This structure defines the attibutes to be parsed below */
const struct fm10k_tlv_attr fm10k_mac_vlan_msg_attr[] = {
FM10K_TLV_ATTR_U32(FM10K_MAC_VLAN_MSG_VLAN),
FM10K_TLV_ATTR_BOOL(FM10K_MAC_VLAN_MSG_SET),
FM10K_TLV_ATTR_MAC_ADDR(FM10K_MAC_VLAN_MSG_MAC),
FM10K_TLV_ATTR_MAC_ADDR(FM10K_MAC_VLAN_MSG_DEFAULT_MAC),
FM10K_TLV_ATTR_MAC_ADDR(FM10K_MAC_VLAN_MSG_MULTICAST),
FM10K_TLV_ATTR_LAST
};
/**
* fm10k_update_vlan_vf - Update status of VLAN ID in VLAN filter table
* @hw: pointer to hardware structure
* @vid: VLAN ID to add to table
* @vsi: Reserved, should always be 0
* @set: Indicates if this is a set or clear operation
*
* This function adds or removes the corresponding VLAN ID from the VLAN
* filter table for this VF.
**/
static s32 fm10k_update_vlan_vf(struct fm10k_hw *hw, u32 vid, u8 vsi, bool set)
{
struct fm10k_mbx_info *mbx = &hw->mbx;
u32 msg[4];
/* verify the index is not set */
if (vsi)
return FM10K_ERR_PARAM;
/* verify upper 4 bits of vid and length are 0 */
if ((vid << 16 | vid) >> 28)
return FM10K_ERR_PARAM;
/* encode set bit into the VLAN ID */
if (!set)
vid |= FM10K_VLAN_CLEAR;
/* generate VLAN request */
fm10k_tlv_msg_init(msg, FM10K_VF_MSG_ID_MAC_VLAN);
fm10k_tlv_attr_put_u32(msg, FM10K_MAC_VLAN_MSG_VLAN, vid);
/* load onto outgoing mailbox */
return mbx->ops.enqueue_tx(hw, mbx, msg);
}
/**
* fm10k_msg_mac_vlan_vf - Read device MAC address from mailbox message
* @hw: pointer to the HW structure
* @results: Attributes for message
* @mbx: unused mailbox data
*
* This function should determine the MAC address for the VF
**/
s32 fm10k_msg_mac_vlan_vf(struct fm10k_hw *hw, u32 **results,
struct fm10k_mbx_info *mbx)
{
u8 perm_addr[ETH_ALEN];
u16 vid;
s32 err;
/* record MAC address requested */
err = fm10k_tlv_attr_get_mac_vlan(
results[FM10K_MAC_VLAN_MSG_DEFAULT_MAC],
perm_addr, &vid);
if (err)
return err;
ether_addr_copy(hw->mac.perm_addr, perm_addr);
hw->mac.default_vid = vid & (FM10K_VLAN_TABLE_VID_MAX - 1);
hw->mac.vlan_override = !!(vid & FM10K_VLAN_CLEAR);
return 0;
}
/**
* fm10k_read_mac_addr_vf - Read device MAC address
* @hw: pointer to the HW structure
*
* This function should determine the MAC address for the VF
**/
static s32 fm10k_read_mac_addr_vf(struct fm10k_hw *hw)
{
u8 perm_addr[ETH_ALEN];
u32 base_addr;
base_addr = fm10k_read_reg(hw, FM10K_TDBAL(0));
/* last byte should be 0 */
if (base_addr << 24)
return FM10K_ERR_INVALID_MAC_ADDR;
perm_addr[3] = (u8)(base_addr >> 24);
perm_addr[4] = (u8)(base_addr >> 16);
perm_addr[5] = (u8)(base_addr >> 8);
base_addr = fm10k_read_reg(hw, FM10K_TDBAH(0));
/* first byte should be all 1's */
if ((~base_addr) >> 24)
return FM10K_ERR_INVALID_MAC_ADDR;
perm_addr[0] = (u8)(base_addr >> 16);
perm_addr[1] = (u8)(base_addr >> 8);
perm_addr[2] = (u8)(base_addr);
ether_addr_copy(hw->mac.perm_addr, perm_addr);
ether_addr_copy(hw->mac.addr, perm_addr);
return 0;
}
/**
* fm10k_update_uc_addr_vf - Update device unicast address
* @hw: pointer to the HW structure
* @glort: unused
* @mac: MAC address to add/remove from table
* @vid: VLAN ID to add/remove from table
* @add: Indicates if this is an add or remove operation
* @flags: flags field to indicate add and secure - unused
*
* This function is used to add or remove unicast MAC addresses for
* the VF.
**/
static s32 fm10k_update_uc_addr_vf(struct fm10k_hw *hw, u16 glort,
const u8 *mac, u16 vid, bool add, u8 flags)
{
struct fm10k_mbx_info *mbx = &hw->mbx;
u32 msg[7];
/* verify VLAN ID is valid */
if (vid >= FM10K_VLAN_TABLE_VID_MAX)
return FM10K_ERR_PARAM;
/* verify MAC address is valid */
if (!is_valid_ether_addr(mac))
return FM10K_ERR_PARAM;
/* verify we are not locked down on the MAC address */
if (is_valid_ether_addr(hw->mac.perm_addr) &&
memcmp(hw->mac.perm_addr, mac, ETH_ALEN))
return FM10K_ERR_PARAM;
/* add bit to notify us if this is a set of clear operation */
if (!add)
vid |= FM10K_VLAN_CLEAR;
/* generate VLAN request */
fm10k_tlv_msg_init(msg, FM10K_VF_MSG_ID_MAC_VLAN);
fm10k_tlv_attr_put_mac_vlan(msg, FM10K_MAC_VLAN_MSG_MAC, mac, vid);
/* load onto outgoing mailbox */
return mbx->ops.enqueue_tx(hw, mbx, msg);
}
/**
* fm10k_update_mc_addr_vf - Update device multicast address
* @hw: pointer to the HW structure
* @glort: unused
* @mac: MAC address to add/remove from table
* @vid: VLAN ID to add/remove from table
* @add: Indicates if this is an add or remove operation
*
* This function is used to add or remove multicast MAC addresses for
* the VF.
**/
static s32 fm10k_update_mc_addr_vf(struct fm10k_hw *hw, u16 glort,
const u8 *mac, u16 vid, bool add)
{
struct fm10k_mbx_info *mbx = &hw->mbx;
u32 msg[7];
/* verify VLAN ID is valid */
if (vid >= FM10K_VLAN_TABLE_VID_MAX)
return FM10K_ERR_PARAM;
/* verify multicast address is valid */
if (!is_multicast_ether_addr(mac))
return FM10K_ERR_PARAM;
/* add bit to notify us if this is a set of clear operation */
if (!add)
vid |= FM10K_VLAN_CLEAR;
/* generate VLAN request */
fm10k_tlv_msg_init(msg, FM10K_VF_MSG_ID_MAC_VLAN);
fm10k_tlv_attr_put_mac_vlan(msg, FM10K_MAC_VLAN_MSG_MULTICAST,
mac, vid);
/* load onto outgoing mailbox */
return mbx->ops.enqueue_tx(hw, mbx, msg);
}
/**
* fm10k_update_int_moderator_vf - Request update of interrupt moderator list
* @hw: pointer to hardware structure
*
* This function will issue a request to the PF to rescan our MSI-X table
* and to update the interrupt moderator linked list.
**/
static void fm10k_update_int_moderator_vf(struct fm10k_hw *hw)
{
struct fm10k_mbx_info *mbx = &hw->mbx;
u32 msg[1];
/* generate MSI-X request */
fm10k_tlv_msg_init(msg, FM10K_VF_MSG_ID_MSIX);
/* load onto outgoing mailbox */
mbx->ops.enqueue_tx(hw, mbx, msg);
}
/* This structure defines the attibutes to be parsed below */
const struct fm10k_tlv_attr fm10k_lport_state_msg_attr[] = {
FM10K_TLV_ATTR_BOOL(FM10K_LPORT_STATE_MSG_DISABLE),
FM10K_TLV_ATTR_U8(FM10K_LPORT_STATE_MSG_XCAST_MODE),
FM10K_TLV_ATTR_BOOL(FM10K_LPORT_STATE_MSG_READY),
FM10K_TLV_ATTR_LAST
};
/**
* fm10k_msg_lport_state_vf - Message handler for lport_state message from PF
* @hw: Pointer to hardware structure
* @results: pointer array containing parsed data
* @mbx: Pointer to mailbox information structure
*
* This handler is meant to capture the indication from the PF that we
* are ready to bring up the interface.
**/
s32 fm10k_msg_lport_state_vf(struct fm10k_hw *hw, u32 **results,
struct fm10k_mbx_info *mbx)
{
hw->mac.dglort_map = !results[FM10K_LPORT_STATE_MSG_READY] ?
FM10K_DGLORTMAP_NONE : FM10K_DGLORTMAP_ZERO;
return 0;
}
/**
* fm10k_update_lport_state_vf - Update device state in lower device
* @hw: pointer to the HW structure
* @glort: unused
* @count: number of logical ports to enable - unused (always 1)
* @enable: boolean value indicating if this is an enable or disable request
*
* Notify the lower device of a state change. If the lower device is
* enabled we can add filters, if it is disabled all filters for this
* logical port are flushed.
**/
static s32 fm10k_update_lport_state_vf(struct fm10k_hw *hw, u16 glort,
u16 count, bool enable)
{
struct fm10k_mbx_info *mbx = &hw->mbx;
u32 msg[2];
/* reset glort mask 0 as we have to wait to be enabled */
hw->mac.dglort_map = FM10K_DGLORTMAP_NONE;
/* generate port state request */
fm10k_tlv_msg_init(msg, FM10K_VF_MSG_ID_LPORT_STATE);
if (!enable)
fm10k_tlv_attr_put_bool(msg, FM10K_LPORT_STATE_MSG_DISABLE);
/* load onto outgoing mailbox */
return mbx->ops.enqueue_tx(hw, mbx, msg);
}
/**
* fm10k_update_xcast_mode_vf - Request update of multicast mode
* @hw: pointer to hardware structure
* @glort: unused
* @mode: integer value indicating mode being requested
*
* This function will attempt to request a higher mode for the port
* so that it can enable either multicast, multicast promiscuous, or
* promiscuous mode of operation.
**/
static s32 fm10k_update_xcast_mode_vf(struct fm10k_hw *hw, u16 glort, u8 mode)
{
struct fm10k_mbx_info *mbx = &hw->mbx;
u32 msg[3];
if (mode > FM10K_XCAST_MODE_NONE)
return FM10K_ERR_PARAM;
/* generate message requesting to change xcast mode */
fm10k_tlv_msg_init(msg, FM10K_VF_MSG_ID_LPORT_STATE);
fm10k_tlv_attr_put_u8(msg, FM10K_LPORT_STATE_MSG_XCAST_MODE, mode);
/* load onto outgoing mailbox */
return mbx->ops.enqueue_tx(hw, mbx, msg);
}
/**
* fm10k_update_hw_stats_vf - Updates hardware related statistics of VF
* @hw: pointer to hardware structure
* @stats: pointer to statistics structure
*
* This function collects and aggregates per queue hardware statistics.
**/
static void fm10k_update_hw_stats_vf(struct fm10k_hw *hw,
struct fm10k_hw_stats *stats)
{
fm10k_update_hw_stats_q(hw, stats->q, 0, hw->mac.max_queues);
}
/**
* fm10k_rebind_hw_stats_vf - Resets base for hardware statistics of VF
* @hw: pointer to hardware structure
* @stats: pointer to the stats structure to update
*
* This function resets the base for queue hardware statistics.
**/
static void fm10k_rebind_hw_stats_vf(struct fm10k_hw *hw,
struct fm10k_hw_stats *stats)
{
/* Unbind Queue Statistics */
fm10k_unbind_hw_stats_q(stats->q, 0, hw->mac.max_queues);
/* Reinitialize bases for all stats */
fm10k_update_hw_stats_vf(hw, stats);
}
/**
* fm10k_configure_dglort_map_vf - Configures GLORT entry and queues
* @hw: pointer to hardware structure
* @dglort: pointer to dglort configuration structure
*
* Reads the configuration structure contained in dglort_cfg and uses
* that information to then populate a DGLORTMAP/DEC entry and the queues
* to which it has been assigned.
**/
static s32 fm10k_configure_dglort_map_vf(struct fm10k_hw *hw,
struct fm10k_dglort_cfg *dglort)
{
/* verify the dglort pointer */
if (!dglort)
return FM10K_ERR_PARAM;
/* stub for now until we determine correct message for this */
return 0;
}
static const struct fm10k_msg_data fm10k_msg_data_vf[] = {
FM10K_TLV_MSG_TEST_HANDLER(fm10k_tlv_msg_test),
FM10K_VF_MSG_MAC_VLAN_HANDLER(fm10k_msg_mac_vlan_vf),
FM10K_VF_MSG_LPORT_STATE_HANDLER(fm10k_msg_lport_state_vf),
FM10K_TLV_MSG_ERROR_HANDLER(fm10k_tlv_msg_error),
};
static struct fm10k_mac_ops mac_ops_vf = {
.get_bus_info = &fm10k_get_bus_info_generic,
.reset_hw = &fm10k_reset_hw_vf,
.init_hw = &fm10k_init_hw_vf,
.start_hw = &fm10k_start_hw_generic,
.stop_hw = &fm10k_stop_hw_vf,
.is_slot_appropriate = &fm10k_is_slot_appropriate_vf,
.update_vlan = &fm10k_update_vlan_vf,
.read_mac_addr = &fm10k_read_mac_addr_vf,
.update_uc_addr = &fm10k_update_uc_addr_vf,
.update_mc_addr = &fm10k_update_mc_addr_vf,
.update_xcast_mode = &fm10k_update_xcast_mode_vf,
.update_int_moderator = &fm10k_update_int_moderator_vf,
.update_lport_state = &fm10k_update_lport_state_vf,
.update_hw_stats = &fm10k_update_hw_stats_vf,
.rebind_hw_stats = &fm10k_rebind_hw_stats_vf,
.configure_dglort_map = &fm10k_configure_dglort_map_vf,
.get_host_state = &fm10k_get_host_state_generic,
};
static s32 fm10k_get_invariants_vf(struct fm10k_hw *hw)
{
fm10k_get_invariants_generic(hw);
return fm10k_pfvf_mbx_init(hw, &hw->mbx, fm10k_msg_data_vf, 0);
}
struct fm10k_info fm10k_vf_info = {
.mac = fm10k_mac_vf,
.get_invariants = &fm10k_get_invariants_vf,
.mac_ops = &mac_ops_vf,
};

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drivers/net/ethernet/intel/fm10k/fm10k_vf.h Normal file
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/* Intel Ethernet Switch Host Interface Driver
* Copyright(c) 2013 - 2014 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* The full GNU General Public License is included in this distribution in
* the file called "COPYING".
*
* Contact Information:
* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*/
#ifndef _FM10K_VF_H_
#define _FM10K_VF_H_
#include "fm10k_type.h"
#include "fm10k_common.h"
enum fm10k_vf_tlv_msg_id {
FM10K_VF_MSG_ID_TEST = 0, /* msg ID reserved for testing */
FM10K_VF_MSG_ID_MSIX,
FM10K_VF_MSG_ID_MAC_VLAN,
FM10K_VF_MSG_ID_LPORT_STATE,
FM10K_VF_MSG_ID_MAX,
};
enum fm10k_tlv_mac_vlan_attr_id {
FM10K_MAC_VLAN_MSG_VLAN,
FM10K_MAC_VLAN_MSG_SET,
FM10K_MAC_VLAN_MSG_MAC,
FM10K_MAC_VLAN_MSG_DEFAULT_MAC,
FM10K_MAC_VLAN_MSG_MULTICAST,
FM10K_MAC_VLAN_MSG_ID_MAX
};
enum fm10k_tlv_lport_state_attr_id {
FM10K_LPORT_STATE_MSG_DISABLE,
FM10K_LPORT_STATE_MSG_XCAST_MODE,
FM10K_LPORT_STATE_MSG_READY,
FM10K_LPORT_STATE_MSG_MAX
};
#define FM10K_VF_MSG_MSIX_HANDLER(func) \
FM10K_MSG_HANDLER(FM10K_VF_MSG_ID_MSIX, NULL, func)
s32 fm10k_msg_mac_vlan_vf(struct fm10k_hw *, u32 **, struct fm10k_mbx_info *);
extern const struct fm10k_tlv_attr fm10k_mac_vlan_msg_attr[];
#define FM10K_VF_MSG_MAC_VLAN_HANDLER(func) \
FM10K_MSG_HANDLER(FM10K_VF_MSG_ID_MAC_VLAN, \
fm10k_mac_vlan_msg_attr, func)
s32 fm10k_msg_lport_state_vf(struct fm10k_hw *, u32 **,
struct fm10k_mbx_info *);
extern const struct fm10k_tlv_attr fm10k_lport_state_msg_attr[];
#define FM10K_VF_MSG_LPORT_STATE_HANDLER(func) \
FM10K_MSG_HANDLER(FM10K_VF_MSG_ID_LPORT_STATE, \
fm10k_lport_state_msg_attr, func)
extern struct fm10k_info fm10k_vf_info;
#endif /* _FM10K_VF_H */