1 /*******************************************************************************
3 Intel 10 Gigabit PCI Express Linux driver
4 Copyright(c) 1999 - 2012 Intel Corporation.
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
19 The full GNU General Public License is included in this distribution in
20 the file called "LICENSE.GPL".
23 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26 *******************************************************************************/
28 /******************************************************************************
29 Copyright (c)2006 - 2007 Myricom, Inc. for some LRO specific code
30 ******************************************************************************/
31 #include <linux/types.h>
32 #include <linux/module.h>
33 #include <linux/pci.h>
34 #include <linux/netdevice.h>
35 #include <linux/vmalloc.h>
36 #include <linux/highmem.h>
37 #include <linux/string.h>
40 #include <linux/tcp.h>
42 #include <linux/sctp.h>
44 #include <linux/pkt_sched.h>
45 #include <linux/ipv6.h>
47 #include <net/checksum.h>
49 #include <net/ip6_checksum.h>
53 #include <linux/ethtool.h>
59 #undef CONFIG_DCA_MODULE
61 char ixgbe_driver_name
[] = "ixgbe";
64 #ifndef CONFIG_IXGBE_NAPI
67 #define DRIVERNAPI "-NAPI"
77 #define DRV_VERSION __stringify(MAJ) "." __stringify(MIN) "." \
78 __stringify(BUILD) DRIVERNAPI DRV_HW_PERF FPGA VMDQ_TAG
79 const char ixgbe_driver_version
[] = DRV_VERSION
;
81 /* ixgbe_pci_tbl - PCI Device ID Table
83 * Wildcard entries (PCI_ANY_ID) should come last
84 * Last entry must be all 0s
86 * { Vendor ID, Device ID, SubVendor ID, SubDevice ID,
87 * Class, Class Mask, private data (not used) }
89 const struct pci_device_id ixgbe_pci_tbl
[] = {
90 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82598
)},
91 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82598AF_DUAL_PORT
)},
92 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82598AF_SINGLE_PORT
)},
93 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82598AT
)},
94 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82598AT2
)},
95 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82598EB_CX4
)},
96 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82598_CX4_DUAL_PORT
)},
97 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82598_DA_DUAL_PORT
)},
98 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM
)},
99 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82598EB_XF_LR
)},
100 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82598EB_SFP_LOM
)},
101 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82598_BX
)},
102 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82599_KX4
)},
103 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82599_XAUI_LOM
)},
104 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82599_KR
)},
105 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82599_SFP
)},
106 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82599_SFP_EM
)},
107 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82599_KX4_MEZZ
)},
108 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82599_CX4
)},
109 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82599_BACKPLANE_FCOE
)},
110 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82599_SFP_FCOE
)},
111 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82599_T3_LOM
)},
112 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82599_COMBO_BACKPLANE
)},
113 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_X540T
)},
114 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82599_SFP_SF2
)},
115 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82599_LS
)},
116 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82599EN_SFP
)},
117 {PCI_VDEVICE(INTEL
, IXGBE_DEV_ID_82599_QSFP_SF_QP
)},
118 /* required last entry */
122 #if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
123 static int ixgbe_notify_dca(struct notifier_block
*, unsigned long event
,
125 static struct notifier_block dca_notifier
= {
126 .notifier_call
= ixgbe_notify_dca
,
132 MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
133 MODULE_DESCRIPTION("Intel(R) 10 Gigabit PCI Express Network Driver");
134 MODULE_LICENSE("GPL");
135 MODULE_VERSION(DRV_VERSION
);
137 #define DEFAULT_DEBUG_LEVEL_SHIFT 3
140 static void ixgbe_release_hw_control(struct ixgbe_adapter
*adapter
)
144 /* Let firmware take over control of h/w */
145 ctrl_ext
= IXGBE_READ_REG(&adapter
->hw
, IXGBE_CTRL_EXT
);
146 IXGBE_WRITE_REG(&adapter
->hw
, IXGBE_CTRL_EXT
,
147 ctrl_ext
& ~IXGBE_CTRL_EXT_DRV_LOAD
);
151 static void ixgbe_get_hw_control(struct ixgbe_adapter
*adapter
)
155 /* Let firmware know the driver has taken over */
156 ctrl_ext
= IXGBE_READ_REG(&adapter
->hw
, IXGBE_CTRL_EXT
);
157 IXGBE_WRITE_REG(&adapter
->hw
, IXGBE_CTRL_EXT
,
158 ctrl_ext
| IXGBE_CTRL_EXT_DRV_LOAD
);
163 static void ixgbe_update_xoff_rx_lfc(struct ixgbe_adapter
*adapter
)
165 struct ixgbe_hw
*hw
= &adapter
->hw
;
166 struct ixgbe_hw_stats
*hwstats
= &adapter
->stats
;
170 if ((hw
->fc
.current_mode
!= ixgbe_fc_full
) &&
171 (hw
->fc
.current_mode
!= ixgbe_fc_rx_pause
))
174 switch (hw
->mac
.type
) {
175 case ixgbe_mac_82598EB
:
176 data
= IXGBE_READ_REG(hw
, IXGBE_LXOFFRXC
);
179 data
= IXGBE_READ_REG(hw
, IXGBE_LXOFFRXCNT
);
181 hwstats
->lxoffrxc
+= data
;
183 /* refill credits (no tx hang) if we received xoff */
187 for (i
= 0; i
< adapter
->num_tx_queues
; i
++)
188 clear_bit(__IXGBE_HANG_CHECK_ARMED
,
189 &adapter
->tx_ring
[i
]->state
);
192 static void ixgbe_update_xoff_received(struct ixgbe_adapter
*adapter
)
194 struct ixgbe_hw
*hw
= &adapter
->hw
;
195 struct ixgbe_hw_stats
*hwstats
= &adapter
->stats
;
198 bool pfc_en
= adapter
->dcb_cfg
.pfc_mode_enable
;
200 #ifdef HAVE_DCBNL_IEEE
201 if (adapter
->ixgbe_ieee_pfc
)
202 pfc_en
|= !!(adapter
->ixgbe_ieee_pfc
->pfc_en
);
205 if (!(adapter
->flags
& IXGBE_FLAG_DCB_ENABLED
) || !pfc_en
) {
206 ixgbe_update_xoff_rx_lfc(adapter
);
210 /* update stats for each tc, only valid with PFC enabled */
211 for (i
= 0; i
< MAX_TX_PACKET_BUFFERS
; i
++) {
212 switch (hw
->mac
.type
) {
213 case ixgbe_mac_82598EB
:
214 xoff
[i
] = IXGBE_READ_REG(hw
, IXGBE_PXOFFRXC(i
));
217 xoff
[i
] = IXGBE_READ_REG(hw
, IXGBE_PXOFFRXCNT(i
));
219 hwstats
->pxoffrxc
[i
] += xoff
[i
];
222 /* disarm tx queues that have received xoff frames */
223 for (i
= 0; i
< adapter
->num_tx_queues
; i
++) {
224 struct ixgbe_ring
*tx_ring
= adapter
->tx_ring
[i
];
225 u8 tc
= tx_ring
->dcb_tc
;
227 if ((tc
<= 7) && (xoff
[tc
]))
228 clear_bit(__IXGBE_HANG_CHECK_ARMED
, &tx_ring
->state
);
235 #define IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT 2
240 #ifdef HAVE_8021P_SUPPORT
242 * ixgbe_vlan_stripping_disable - helper to disable vlan tag stripping
243 * @adapter: driver data
245 void ixgbe_vlan_stripping_disable(struct ixgbe_adapter
*adapter
)
247 struct ixgbe_hw
*hw
= &adapter
->hw
;
251 /* leave vlan tag stripping enabled for DCB */
252 if (adapter
->flags
& IXGBE_FLAG_DCB_ENABLED
)
255 switch (hw
->mac
.type
) {
256 case ixgbe_mac_82598EB
:
257 vlnctrl
= IXGBE_READ_REG(hw
, IXGBE_VLNCTRL
);
258 vlnctrl
&= ~IXGBE_VLNCTRL_VME
;
259 IXGBE_WRITE_REG(hw
, IXGBE_VLNCTRL
, vlnctrl
);
261 case ixgbe_mac_82599EB
:
263 for (i
= 0; i
< adapter
->num_rx_queues
; i
++) {
264 u8 reg_idx
= adapter
->rx_ring
[i
]->reg_idx
;
265 vlnctrl
= IXGBE_READ_REG(hw
, IXGBE_RXDCTL(reg_idx
));
266 vlnctrl
&= ~IXGBE_RXDCTL_VME
;
267 IXGBE_WRITE_REG(hw
, IXGBE_RXDCTL(reg_idx
), vlnctrl
);
277 * ixgbe_vlan_stripping_enable - helper to enable vlan tag stripping
278 * @adapter: driver data
280 void ixgbe_vlan_stripping_enable(struct ixgbe_adapter
*adapter
)
282 struct ixgbe_hw
*hw
= &adapter
->hw
;
286 switch (hw
->mac
.type
) {
287 case ixgbe_mac_82598EB
:
288 vlnctrl
= IXGBE_READ_REG(hw
, IXGBE_VLNCTRL
);
289 vlnctrl
|= IXGBE_VLNCTRL_VME
;
290 IXGBE_WRITE_REG(hw
, IXGBE_VLNCTRL
, vlnctrl
);
292 case ixgbe_mac_82599EB
:
294 for (i
= 0; i
< adapter
->num_rx_queues
; i
++) {
295 u8 reg_idx
= adapter
->rx_ring
[i
]->reg_idx
;
296 vlnctrl
= IXGBE_READ_REG(hw
, IXGBE_RXDCTL(reg_idx
));
297 vlnctrl
|= IXGBE_RXDCTL_VME
;
298 IXGBE_WRITE_REG(hw
, IXGBE_RXDCTL(reg_idx
), vlnctrl
);
306 #ifdef HAVE_VLAN_RX_REGISTER
307 void ixgbe_vlan_mode(struct net_device
*netdev
, struct vlan_group
*grp
)
309 void ixgbe_vlan_mode(struct net_device
*netdev
, u32 features
)
312 struct ixgbe_adapter
*adapter
= netdev_priv(netdev
);
313 #ifdef HAVE_8021P_SUPPORT
316 #ifdef HAVE_VLAN_RX_REGISTER
318 //if (!test_bit(__IXGBE_DOWN, &adapter->state))
319 // ixgbe_irq_disable(adapter);
321 adapter
->vlgrp
= grp
;
323 //if (!test_bit(__IXGBE_DOWN, &adapter->state))
324 // ixgbe_irq_enable(adapter, true, true);
326 #ifdef HAVE_8021P_SUPPORT
327 #ifdef HAVE_VLAN_RX_REGISTER
328 enable
= (grp
|| (adapter
->flags
& IXGBE_FLAG_DCB_ENABLED
));
330 enable
= !!(features
& NETIF_F_HW_VLAN_RX
);
333 /* enable VLAN tag insert/strip */
334 ixgbe_vlan_stripping_enable(adapter
);
336 /* disable VLAN tag insert/strip */
337 ixgbe_vlan_stripping_disable(adapter
);
342 static u8
*ixgbe_addr_list_itr(struct ixgbe_hw
*hw
, u8
**mc_addr_ptr
, u32
*vmdq
)
344 #ifdef NETDEV_HW_ADDR_T_MULTICAST
345 struct netdev_hw_addr
*mc_ptr
;
347 struct dev_mc_list
*mc_ptr
;
349 struct ixgbe_adapter
*adapter
= hw
->back
;
350 u8
*addr
= *mc_addr_ptr
;
352 *vmdq
= adapter
->num_vfs
;
354 #ifdef NETDEV_HW_ADDR_T_MULTICAST
355 mc_ptr
= container_of(addr
, struct netdev_hw_addr
, addr
[0]);
356 if (mc_ptr
->list
.next
) {
357 struct netdev_hw_addr
*ha
;
359 ha
= list_entry(mc_ptr
->list
.next
, struct netdev_hw_addr
, list
);
360 *mc_addr_ptr
= ha
->addr
;
363 mc_ptr
= container_of(addr
, struct dev_mc_list
, dmi_addr
[0]);
365 *mc_addr_ptr
= mc_ptr
->next
->dmi_addr
;
374 * ixgbe_write_mc_addr_list - write multicast addresses to MTA
375 * @netdev: network interface device structure
377 * Writes multicast address list to the MTA hash table.
378 * Returns: -ENOMEM on failure
379 * 0 on no addresses written
380 * X on writing X addresses to MTA
382 int ixgbe_write_mc_addr_list(struct net_device
*netdev
)
384 struct ixgbe_adapter
*adapter
= netdev_priv(netdev
);
385 struct ixgbe_hw
*hw
= &adapter
->hw
;
386 #ifdef NETDEV_HW_ADDR_T_MULTICAST
387 struct netdev_hw_addr
*ha
;
389 u8
*addr_list
= NULL
;
392 if (!hw
->mac
.ops
.update_mc_addr_list
)
395 if (!netif_running(netdev
))
399 hw
->mac
.ops
.update_mc_addr_list(hw
, NULL
, 0,
400 ixgbe_addr_list_itr
, true);
402 if (!netdev_mc_empty(netdev
)) {
403 #ifdef NETDEV_HW_ADDR_T_MULTICAST
404 ha
= list_first_entry(&netdev
->mc
.list
,
405 struct netdev_hw_addr
, list
);
406 addr_list
= ha
->addr
;
408 addr_list
= netdev
->mc_list
->dmi_addr
;
410 addr_count
= netdev_mc_count(netdev
);
412 hw
->mac
.ops
.update_mc_addr_list(hw
, addr_list
, addr_count
,
413 ixgbe_addr_list_itr
, false);
416 #ifdef CONFIG_PCI_IOV
417 //ixgbe_restore_vf_multicasts(adapter);
423 void ixgbe_full_sync_mac_table(struct ixgbe_adapter
*adapter
)
425 struct ixgbe_hw
*hw
= &adapter
->hw
;
427 for (i
= 0; i
< hw
->mac
.num_rar_entries
; i
++) {
428 if (adapter
->mac_table
[i
].state
& IXGBE_MAC_STATE_IN_USE
) {
429 hw
->mac
.ops
.set_rar(hw
, i
, adapter
->mac_table
[i
].addr
,
430 adapter
->mac_table
[i
].queue
,
433 hw
->mac
.ops
.clear_rar(hw
, i
);
438 void ixgbe_sync_mac_table(struct ixgbe_adapter
*adapter
)
440 struct ixgbe_hw
*hw
= &adapter
->hw
;
442 for (i
= 0; i
< hw
->mac
.num_rar_entries
; i
++) {
443 if (adapter
->mac_table
[i
].state
& IXGBE_MAC_STATE_MODIFIED
) {
444 if (adapter
->mac_table
[i
].state
&
445 IXGBE_MAC_STATE_IN_USE
) {
446 hw
->mac
.ops
.set_rar(hw
, i
,
447 adapter
->mac_table
[i
].addr
,
448 adapter
->mac_table
[i
].queue
,
451 hw
->mac
.ops
.clear_rar(hw
, i
);
453 adapter
->mac_table
[i
].state
&=
454 ~(IXGBE_MAC_STATE_MODIFIED
);
459 int ixgbe_available_rars(struct ixgbe_adapter
*adapter
)
461 struct ixgbe_hw
*hw
= &adapter
->hw
;
464 for (i
= 0; i
< hw
->mac
.num_rar_entries
; i
++) {
465 if (adapter
->mac_table
[i
].state
== 0)
471 int ixgbe_add_mac_filter(struct ixgbe_adapter
*adapter
, u8
*addr
, u16 queue
)
473 struct ixgbe_hw
*hw
= &adapter
->hw
;
476 if (is_zero_ether_addr(addr
))
479 for (i
= 0; i
< hw
->mac
.num_rar_entries
; i
++) {
480 if (adapter
->mac_table
[i
].state
& IXGBE_MAC_STATE_IN_USE
)
482 adapter
->mac_table
[i
].state
|= (IXGBE_MAC_STATE_MODIFIED
|
483 IXGBE_MAC_STATE_IN_USE
);
484 memcpy(adapter
->mac_table
[i
].addr
, addr
, ETH_ALEN
);
485 adapter
->mac_table
[i
].queue
= queue
;
486 ixgbe_sync_mac_table(adapter
);
492 void ixgbe_flush_sw_mac_table(struct ixgbe_adapter
*adapter
)
495 struct ixgbe_hw
*hw
= &adapter
->hw
;
497 for (i
= 0; i
< hw
->mac
.num_rar_entries
; i
++) {
498 adapter
->mac_table
[i
].state
|= IXGBE_MAC_STATE_MODIFIED
;
499 adapter
->mac_table
[i
].state
&= ~IXGBE_MAC_STATE_IN_USE
;
500 memset(adapter
->mac_table
[i
].addr
, 0, ETH_ALEN
);
501 adapter
->mac_table
[i
].queue
= 0;
503 ixgbe_sync_mac_table(adapter
);
506 void ixgbe_del_mac_filter_by_index(struct ixgbe_adapter
*adapter
, int index
)
508 adapter
->mac_table
[index
].state
|= IXGBE_MAC_STATE_MODIFIED
;
509 adapter
->mac_table
[index
].state
&= ~IXGBE_MAC_STATE_IN_USE
;
510 memset(adapter
->mac_table
[index
].addr
, 0, ETH_ALEN
);
511 adapter
->mac_table
[index
].queue
= 0;
512 ixgbe_sync_mac_table(adapter
);
515 int ixgbe_del_mac_filter(struct ixgbe_adapter
*adapter
, u8
* addr
, u16 queue
)
517 /* search table for addr, if found, set to 0 and sync */
519 struct ixgbe_hw
*hw
= &adapter
->hw
;
521 if (is_zero_ether_addr(addr
))
523 for (i
= 0; i
< hw
->mac
.num_rar_entries
; i
++) {
524 if (ether_addr_equal(addr
, adapter
->mac_table
[i
].addr
) &&
525 adapter
->mac_table
[i
].queue
== queue
) {
526 adapter
->mac_table
[i
].state
|= IXGBE_MAC_STATE_MODIFIED
;
527 adapter
->mac_table
[i
].state
&= ~IXGBE_MAC_STATE_IN_USE
;
528 memset(adapter
->mac_table
[i
].addr
, 0, ETH_ALEN
);
529 adapter
->mac_table
[i
].queue
= 0;
530 ixgbe_sync_mac_table(adapter
);
536 #ifdef HAVE_SET_RX_MODE
538 * ixgbe_write_uc_addr_list - write unicast addresses to RAR table
539 * @netdev: network interface device structure
541 * Writes unicast address list to the RAR table.
542 * Returns: -ENOMEM on failure/insufficient address space
543 * 0 on no addresses written
544 * X on writing X addresses to the RAR table
546 int ixgbe_write_uc_addr_list(struct ixgbe_adapter
*adapter
,
547 struct net_device
*netdev
, unsigned int vfn
)
551 /* return ENOMEM indicating insufficient memory for addresses */
552 if (netdev_uc_count(netdev
) > ixgbe_available_rars(adapter
))
555 if (!netdev_uc_empty(netdev
)) {
556 #ifdef NETDEV_HW_ADDR_T_UNICAST
557 struct netdev_hw_addr
*ha
;
559 struct dev_mc_list
*ha
;
561 netdev_for_each_uc_addr(ha
, netdev
) {
562 #ifdef NETDEV_HW_ADDR_T_UNICAST
563 ixgbe_del_mac_filter(adapter
, ha
->addr
, (u16
)vfn
);
564 ixgbe_add_mac_filter(adapter
, ha
->addr
, (u16
)vfn
);
566 ixgbe_del_mac_filter(adapter
, ha
->da_addr
, (u16
)vfn
);
567 ixgbe_add_mac_filter(adapter
, ha
->da_addr
, (u16
)vfn
);
577 * ixgbe_set_rx_mode - Unicast, Multicast and Promiscuous mode set
578 * @netdev: network interface device structure
580 * The set_rx_method entry point is called whenever the unicast/multicast
581 * address list or the network interface flags are updated. This routine is
582 * responsible for configuring the hardware for proper unicast, multicast and
585 void ixgbe_set_rx_mode(struct net_device
*netdev
)
587 struct ixgbe_adapter
*adapter
= netdev_priv(netdev
);
588 struct ixgbe_hw
*hw
= &adapter
->hw
;
589 u32 fctrl
, vmolr
= IXGBE_VMOLR_BAM
| IXGBE_VMOLR_AUPE
;
593 /* Check for Promiscuous and All Multicast modes */
594 fctrl
= IXGBE_READ_REG(hw
, IXGBE_FCTRL
);
595 vlnctrl
= IXGBE_READ_REG(hw
, IXGBE_VLNCTRL
);
597 /* set all bits that we expect to always be set */
598 fctrl
|= IXGBE_FCTRL_BAM
;
599 fctrl
|= IXGBE_FCTRL_DPF
; /* discard pause frames when FC enabled */
600 fctrl
|= IXGBE_FCTRL_PMCF
;
602 /* clear the bits we are changing the status of */
603 fctrl
&= ~(IXGBE_FCTRL_UPE
| IXGBE_FCTRL_MPE
);
604 vlnctrl
&= ~(IXGBE_VLNCTRL_VFE
| IXGBE_VLNCTRL_CFIEN
);
606 if (netdev
->flags
& IFF_PROMISC
) {
607 hw
->addr_ctrl
.user_set_promisc
= true;
608 fctrl
|= (IXGBE_FCTRL_UPE
| IXGBE_FCTRL_MPE
);
609 vmolr
|= IXGBE_VMOLR_MPE
;
611 if (netdev
->flags
& IFF_ALLMULTI
) {
612 fctrl
|= IXGBE_FCTRL_MPE
;
613 vmolr
|= IXGBE_VMOLR_MPE
;
616 * Write addresses to the MTA, if the attempt fails
617 * then we should just turn on promiscuous mode so
618 * that we can at least receive multicast traffic
620 count
= ixgbe_write_mc_addr_list(netdev
);
622 fctrl
|= IXGBE_FCTRL_MPE
;
623 vmolr
|= IXGBE_VMOLR_MPE
;
625 vmolr
|= IXGBE_VMOLR_ROMPE
;
628 #ifdef NETIF_F_HW_VLAN_TX
629 /* enable hardware vlan filtering */
630 vlnctrl
|= IXGBE_VLNCTRL_VFE
;
632 hw
->addr_ctrl
.user_set_promisc
= false;
633 #ifdef HAVE_SET_RX_MODE
635 * Write addresses to available RAR registers, if there is not
636 * sufficient space to store all the addresses then enable
637 * unicast promiscuous mode
639 count
= ixgbe_write_uc_addr_list(adapter
, netdev
,
642 fctrl
|= IXGBE_FCTRL_UPE
;
643 vmolr
|= IXGBE_VMOLR_ROPE
;
648 if (hw
->mac
.type
!= ixgbe_mac_82598EB
) {
649 vmolr
|= IXGBE_READ_REG(hw
, IXGBE_VMOLR(adapter
->num_vfs
)) &
650 ~(IXGBE_VMOLR_MPE
| IXGBE_VMOLR_ROMPE
|
652 IXGBE_WRITE_REG(hw
, IXGBE_VMOLR(adapter
->num_vfs
), vmolr
);
655 IXGBE_WRITE_REG(hw
, IXGBE_VLNCTRL
, vlnctrl
);
656 IXGBE_WRITE_REG(hw
, IXGBE_FCTRL
, fctrl
);
666 /* Additional bittime to account for IXGBE framing */
667 #define IXGBE_ETH_FRAMING 20
670 * ixgbe_hpbthresh - calculate high water mark for flow control
672 * @adapter: board private structure to calculate for
673 * @pb - packet buffer to calculate
675 static int ixgbe_hpbthresh(struct ixgbe_adapter
*adapter
, int pb
)
677 struct ixgbe_hw
*hw
= &adapter
->hw
;
678 struct net_device
*dev
= adapter
->netdev
;
679 int link
, tc
, kb
, marker
;
682 /* Calculate max LAN frame size */
683 tc
= link
= dev
->mtu
+ ETH_HLEN
+ ETH_FCS_LEN
+ IXGBE_ETH_FRAMING
;
686 /* FCoE traffic class uses FCOE jumbo frames */
687 if (dev
->features
& NETIF_F_FCOE_MTU
) {
690 fcoe_pb
= netdev_get_prio_tc_map(dev
, adapter
->fcoe
.up
);
692 if (fcoe_pb
== pb
&& tc
< IXGBE_FCOE_JUMBO_FRAME_SIZE
)
693 tc
= IXGBE_FCOE_JUMBO_FRAME_SIZE
;
697 /* Calculate delay value for device */
698 switch (hw
->mac
.type
) {
700 dv_id
= IXGBE_DV_X540(link
, tc
);
703 dv_id
= IXGBE_DV(link
, tc
);
707 /* Loopback switch introduces additional latency */
708 if (adapter
->flags
& IXGBE_FLAG_SRIOV_ENABLED
)
709 dv_id
+= IXGBE_B2BT(tc
);
711 /* Delay value is calculated in bit times convert to KB */
712 kb
= IXGBE_BT2KB(dv_id
);
713 rx_pba
= IXGBE_READ_REG(hw
, IXGBE_RXPBSIZE(pb
)) >> 10;
715 marker
= rx_pba
- kb
;
717 /* It is possible that the packet buffer is not large enough
718 * to provide required headroom. In this case throw an error
719 * to user and a do the best we can.
722 e_warn(drv
, "Packet Buffer(%i) can not provide enough"
723 "headroom to suppport flow control."
724 "Decrease MTU or number of traffic classes\n", pb
);
732 * ixgbe_lpbthresh - calculate low water mark for for flow control
734 * @adapter: board private structure to calculate for
735 * @pb - packet buffer to calculate
737 static int ixgbe_lpbthresh(struct ixgbe_adapter
*adapter
, int pb
)
739 struct ixgbe_hw
*hw
= &adapter
->hw
;
740 struct net_device
*dev
= adapter
->netdev
;
744 /* Calculate max LAN frame size */
745 tc
= dev
->mtu
+ ETH_HLEN
+ ETH_FCS_LEN
;
748 /* FCoE traffic class uses FCOE jumbo frames */
749 if (dev
->features
& NETIF_F_FCOE_MTU
) {
752 fcoe_pb
= netdev_get_prio_tc_map(dev
, adapter
->fcoe
.up
);
754 if (fcoe_pb
== pb
&& tc
< IXGBE_FCOE_JUMBO_FRAME_SIZE
)
755 tc
= IXGBE_FCOE_JUMBO_FRAME_SIZE
;
759 /* Calculate delay value for device */
760 switch (hw
->mac
.type
) {
762 dv_id
= IXGBE_LOW_DV_X540(tc
);
765 dv_id
= IXGBE_LOW_DV(tc
);
769 /* Delay value is calculated in bit times convert to KB */
770 return IXGBE_BT2KB(dv_id
);
774 * ixgbe_pbthresh_setup - calculate and setup high low water marks
776 static void ixgbe_pbthresh_setup(struct ixgbe_adapter
*adapter
)
778 struct ixgbe_hw
*hw
= &adapter
->hw
;
779 int num_tc
= netdev_get_num_tc(adapter
->netdev
);
784 if (num_tc
> IXGBE_DCB_MAX_TRAFFIC_CLASS
)
785 num_tc
= IXGBE_DCB_MAX_TRAFFIC_CLASS
;
787 for (i
= 0; i
< num_tc
; i
++) {
788 hw
->fc
.high_water
[i
] = ixgbe_hpbthresh(adapter
, i
);
789 hw
->fc
.low_water
[i
] = ixgbe_lpbthresh(adapter
, i
);
791 /* Low water marks must not be larger than high water marks */
792 if (hw
->fc
.low_water
[i
] > hw
->fc
.high_water
[i
])
793 hw
->fc
.low_water
[i
] = 0;
796 for (; i
< IXGBE_DCB_MAX_TRAFFIC_CLASS
; i
++)
797 hw
->fc
.high_water
[i
] = 0;
803 static void ixgbe_configure(struct ixgbe_adapter
*adapter
)
805 struct ixgbe_hw
*hw
= &adapter
->hw
;
807 ixgbe_configure_pb(adapter
);
808 ixgbe_configure_dcb(adapter
);
810 ixgbe_set_rx_mode(adapter
->netdev
);
811 #ifdef NETIF_F_HW_VLAN_TX
812 ixgbe_restore_vlan(adapter
);
816 if (adapter
->flags
& IXGBE_FLAG_FCOE_ENABLED
)
817 ixgbe_configure_fcoe(adapter
);
819 #endif /* IXGBE_FCOE */
821 if (adapter
->hw
.mac
.type
!= ixgbe_mac_82598EB
)
822 hw
->mac
.ops
.disable_sec_rx_path(hw
);
824 if (adapter
->flags
& IXGBE_FLAG_FDIR_HASH_CAPABLE
) {
825 ixgbe_init_fdir_signature_82599(&adapter
->hw
,
826 adapter
->fdir_pballoc
);
827 } else if (adapter
->flags
& IXGBE_FLAG_FDIR_PERFECT_CAPABLE
) {
828 ixgbe_init_fdir_perfect_82599(&adapter
->hw
,
829 adapter
->fdir_pballoc
);
830 ixgbe_fdir_filter_restore(adapter
);
833 if (adapter
->hw
.mac
.type
!= ixgbe_mac_82598EB
)
834 hw
->mac
.ops
.enable_sec_rx_path(hw
);
836 ixgbe_configure_virtualization(adapter
);
838 ixgbe_configure_tx(adapter
);
839 ixgbe_configure_rx(adapter
);
843 static bool ixgbe_is_sfp(struct ixgbe_hw
*hw
)
845 switch (hw
->phy
.type
) {
846 case ixgbe_phy_sfp_avago
:
847 case ixgbe_phy_sfp_ftl
:
848 case ixgbe_phy_sfp_intel
:
849 case ixgbe_phy_sfp_unknown
:
850 case ixgbe_phy_sfp_passive_tyco
:
851 case ixgbe_phy_sfp_passive_unknown
:
852 case ixgbe_phy_sfp_active_unknown
:
853 case ixgbe_phy_sfp_ftl_active
:
856 if (hw
->mac
.type
== ixgbe_mac_82598EB
)
865 * ixgbe_clear_vf_stats_counters - Clear out VF stats after reset
866 * @adapter: board private structure
868 * On a reset we need to clear out the VF stats or accounting gets
869 * messed up because they're not clear on read.
871 void ixgbe_clear_vf_stats_counters(struct ixgbe_adapter
*adapter
)
873 struct ixgbe_hw
*hw
= &adapter
->hw
;
876 for (i
= 0; i
< adapter
->num_vfs
; i
++) {
877 adapter
->vfinfo
[i
].last_vfstats
.gprc
=
878 IXGBE_READ_REG(hw
, IXGBE_PVFGPRC(i
));
879 adapter
->vfinfo
[i
].saved_rst_vfstats
.gprc
+=
880 adapter
->vfinfo
[i
].vfstats
.gprc
;
881 adapter
->vfinfo
[i
].vfstats
.gprc
= 0;
882 adapter
->vfinfo
[i
].last_vfstats
.gptc
=
883 IXGBE_READ_REG(hw
, IXGBE_PVFGPTC(i
));
884 adapter
->vfinfo
[i
].saved_rst_vfstats
.gptc
+=
885 adapter
->vfinfo
[i
].vfstats
.gptc
;
886 adapter
->vfinfo
[i
].vfstats
.gptc
= 0;
887 adapter
->vfinfo
[i
].last_vfstats
.gorc
=
888 IXGBE_READ_REG(hw
, IXGBE_PVFGORC_LSB(i
));
889 adapter
->vfinfo
[i
].saved_rst_vfstats
.gorc
+=
890 adapter
->vfinfo
[i
].vfstats
.gorc
;
891 adapter
->vfinfo
[i
].vfstats
.gorc
= 0;
892 adapter
->vfinfo
[i
].last_vfstats
.gotc
=
893 IXGBE_READ_REG(hw
, IXGBE_PVFGOTC_LSB(i
));
894 adapter
->vfinfo
[i
].saved_rst_vfstats
.gotc
+=
895 adapter
->vfinfo
[i
].vfstats
.gotc
;
896 adapter
->vfinfo
[i
].vfstats
.gotc
= 0;
897 adapter
->vfinfo
[i
].last_vfstats
.mprc
=
898 IXGBE_READ_REG(hw
, IXGBE_PVFMPRC(i
));
899 adapter
->vfinfo
[i
].saved_rst_vfstats
.mprc
+=
900 adapter
->vfinfo
[i
].vfstats
.mprc
;
901 adapter
->vfinfo
[i
].vfstats
.mprc
= 0;
907 void ixgbe_reinit_locked(struct ixgbe_adapter
*adapter
)
910 WARN_ON(in_interrupt());
911 /* put off any impending NetWatchDogTimeout */
912 adapter
->netdev
->trans_start
= jiffies
;
914 while (test_and_set_bit(__IXGBE_RESETTING
, &adapter
->state
))
915 usleep_range(1000, 2000);
918 * If SR-IOV enabled then wait a bit before bringing the adapter
919 * back up to give the VFs time to respond to the reset. The
920 * two second wait is based upon the watchdog timer cycle in
923 if (adapter
->flags
& IXGBE_FLAG_SRIOV_ENABLED
)
926 clear_bit(__IXGBE_RESETTING
, &adapter
->state
);
930 void ixgbe_up(struct ixgbe_adapter
*adapter
)
932 /* hardware has been reset, we need to reload some things */
933 //ixgbe_configure(adapter);
935 //ixgbe_up_complete(adapter);
938 void ixgbe_reset(struct ixgbe_adapter
*adapter
)
940 struct ixgbe_hw
*hw
= &adapter
->hw
;
941 struct net_device
*netdev
= adapter
->netdev
;
944 /* lock SFP init bit to prevent race conditions with the watchdog */
945 while (test_and_set_bit(__IXGBE_IN_SFP_INIT
, &adapter
->state
))
946 usleep_range(1000, 2000);
948 /* clear all SFP and link config related flags while holding SFP_INIT */
949 adapter
->flags2
&= ~(IXGBE_FLAG2_SEARCH_FOR_SFP
|
950 IXGBE_FLAG2_SFP_NEEDS_RESET
);
951 adapter
->flags
&= ~IXGBE_FLAG_NEED_LINK_CONFIG
;
953 err
= hw
->mac
.ops
.init_hw(hw
);
956 case IXGBE_ERR_SFP_NOT_PRESENT
:
957 case IXGBE_ERR_SFP_NOT_SUPPORTED
:
959 case IXGBE_ERR_MASTER_REQUESTS_PENDING
:
960 e_dev_err("master disable timed out\n");
962 case IXGBE_ERR_EEPROM_VERSION
:
963 /* We are running on a pre-production device, log a warning */
964 e_dev_warn("This device is a pre-production adapter/LOM. "
965 "Please be aware there may be issues associated "
966 "with your hardware. If you are experiencing "
967 "problems please contact your Intel or hardware "
968 "representative who provided you with this "
972 e_dev_err("Hardware Error: %d\n", err
);
975 clear_bit(__IXGBE_IN_SFP_INIT
, &adapter
->state
);
977 ixgbe_flush_sw_mac_table(adapter
);
978 memcpy(&adapter
->mac_table
[0].addr
, hw
->mac
.perm_addr
,
980 adapter
->mac_table
[0].queue
= adapter
->num_vfs
;
981 adapter
->mac_table
[0].state
= (IXGBE_MAC_STATE_DEFAULT
|
982 IXGBE_MAC_STATE_IN_USE
);
983 hw
->mac
.ops
.set_rar(hw
, 0, adapter
->mac_table
[0].addr
,
984 adapter
->mac_table
[0].queue
,
993 void ixgbe_down(struct ixgbe_adapter
*adapter
)
996 struct net_device
*netdev
= adapter
->netdev
;
997 struct ixgbe_hw
*hw
= &adapter
->hw
;
1001 /* signal that we are down to the interrupt handler */
1002 set_bit(__IXGBE_DOWN
, &adapter
->state
);
1004 /* disable receives */
1005 rxctrl
= IXGBE_READ_REG(hw
, IXGBE_RXCTRL
);
1006 IXGBE_WRITE_REG(hw
, IXGBE_RXCTRL
, rxctrl
& ~IXGBE_RXCTRL_RXEN
);
1008 /* disable all enabled rx queues */
1009 for (i
= 0; i
< adapter
->num_rx_queues
; i
++)
1010 /* this call also flushes the previous write */
1011 ixgbe_disable_rx_queue(adapter
, adapter
->rx_ring
[i
]);
1013 usleep_range(10000, 20000);
1015 netif_tx_stop_all_queues(netdev
);
1017 /* call carrier off first to avoid false dev_watchdog timeouts */
1018 netif_carrier_off(netdev
);
1019 netif_tx_disable(netdev
);
1021 ixgbe_irq_disable(adapter
);
1023 ixgbe_napi_disable_all(adapter
);
1025 adapter
->flags2
&= ~(IXGBE_FLAG2_FDIR_REQUIRES_REINIT
|
1026 IXGBE_FLAG2_RESET_REQUESTED
);
1027 adapter
->flags
&= ~IXGBE_FLAG_NEED_LINK_UPDATE
;
1029 del_timer_sync(&adapter
->service_timer
);
1031 if (adapter
->num_vfs
) {
1032 /* Clear EITR Select mapping */
1033 IXGBE_WRITE_REG(&adapter
->hw
, IXGBE_EITRSEL
, 0);
1035 /* Mark all the VFs as inactive */
1036 for (i
= 0 ; i
< adapter
->num_vfs
; i
++)
1037 adapter
->vfinfo
[i
].clear_to_send
= 0;
1039 /* ping all the active vfs to let them know we are going down */
1040 ixgbe_ping_all_vfs(adapter
);
1042 /* Disable all VFTE/VFRE TX/RX */
1043 ixgbe_disable_tx_rx(adapter
);
1046 /* disable transmits in the hardware now that interrupts are off */
1047 for (i
= 0; i
< adapter
->num_tx_queues
; i
++) {
1048 u8 reg_idx
= adapter
->tx_ring
[i
]->reg_idx
;
1049 IXGBE_WRITE_REG(hw
, IXGBE_TXDCTL(reg_idx
), IXGBE_TXDCTL_SWFLSH
);
1052 /* Disable the Tx DMA engine on 82599 and X540 */
1053 switch (hw
->mac
.type
) {
1054 case ixgbe_mac_82599EB
:
1055 case ixgbe_mac_X540
:
1056 IXGBE_WRITE_REG(hw
, IXGBE_DMATXCTL
,
1057 (IXGBE_READ_REG(hw
, IXGBE_DMATXCTL
) &
1058 ~IXGBE_DMATXCTL_TE
));
1065 if (!pci_channel_offline(adapter
->pdev
))
1067 ixgbe_reset(adapter
);
1068 /* power down the optics */
1069 if ((hw
->phy
.multispeed_fiber
) ||
1070 ((hw
->mac
.ops
.get_media_type(hw
) == ixgbe_media_type_fiber
) &&
1071 (hw
->mac
.type
== ixgbe_mac_82599EB
)))
1072 ixgbe_disable_tx_laser(hw
);
1074 ixgbe_clean_all_tx_rings(adapter
);
1075 ixgbe_clean_all_rx_rings(adapter
);
1077 #if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
1078 /* since we reset the hardware DCA settings were cleared */
1079 ixgbe_setup_dca(adapter
);
1082 #endif /* NO_VNIC */
1089 /* Artificial max queue cap per traffic class in DCB mode */
1090 #define DCB_QUEUE_CAP 8
1093 * ixgbe_set_dcb_queues: Allocate queues for a DCB-enabled device
1094 * @adapter: board private structure to initialize
1096 * When DCB (Data Center Bridging) is enabled, allocate queues for
1097 * each traffic class. If multiqueue isn't available,then abort DCB
1100 * This function handles all combinations of DCB, RSS, and FCoE.
1103 static bool ixgbe_set_dcb_queues(struct ixgbe_adapter
*adapter
)
1107 int rss_i
, i
, offset
= 0;
1108 struct net_device
*dev
= adapter
->netdev
;
1110 /* Map queue offset and counts onto allocated tx queues */
1111 tcs
= netdev_get_num_tc(dev
);
1116 rss_i
= min_t(int, dev
->num_tx_queues
/ tcs
, num_online_cpus());
1118 if (rss_i
> DCB_QUEUE_CAP
)
1119 rss_i
= DCB_QUEUE_CAP
;
1121 for (i
= 0; i
< tcs
; i
++) {
1122 netdev_set_tc_queue(dev
, i
, rss_i
, offset
);
1126 adapter
->num_tx_queues
= rss_i
* tcs
;
1127 adapter
->num_rx_queues
= rss_i
* tcs
;
1130 /* FCoE enabled queues require special configuration indexed
1131 * by feature specific indices and mask. Here we map FCoE
1132 * indices onto the DCB queue pairs allowing FCoE to own
1133 * configuration later.
1136 if (adapter
->flags
& IXGBE_FLAG_FCOE_ENABLED
) {
1137 struct ixgbe_ring_feature
*f
;
1139 u8 prio_tc
[IXGBE_DCB_MAX_USER_PRIORITY
] = {0};
1141 ixgbe_dcb_unpack_map_cee(&adapter
->dcb_cfg
,
1142 IXGBE_DCB_TX_CONFIG
,
1144 tc
= prio_tc
[adapter
->fcoe
.up
];
1146 f
= &adapter
->ring_feature
[RING_F_FCOE
];
1147 f
->indices
= min_t(int, rss_i
, f
->indices
);
1148 f
->mask
= rss_i
* tc
;
1150 #endif /* IXGBE_FCOE */
1152 if (!(adapter
->flags
& IXGBE_FLAG_DCB_ENABLED
))
1155 /* Enable one Queue per traffic class */
1161 if (adapter
->flags
& IXGBE_FLAG_FCOE_ENABLED
) {
1162 struct ixgbe_ring_feature
*f
;
1163 int tc
= netdev_get_prio_tc_map(adapter
->netdev
,
1166 f
= &adapter
->ring_feature
[RING_F_FCOE
];
1169 * We have max 8 queues for FCoE, where 8 the is
1170 * FCoE redirection table size. We must also share
1171 * ring resources with network traffic so if FCoE TC is
1172 * 4 or greater and we are in 8 TC mode we can only use
1175 if ((tcs
> 4) && (tc
>= 4) && (f
->indices
> 7))
1178 f
->indices
= min_t(int, num_online_cpus(), f
->indices
);
1181 adapter
->num_rx_queues
= f
->indices
+ tcs
;
1182 adapter
->num_tx_queues
= f
->indices
+ tcs
;
1187 #endif /* IXGBE_FCOE */
1188 adapter
->num_rx_queues
= tcs
;
1189 adapter
->num_tx_queues
= tcs
;
1190 #endif /* HAVE_MQ */
1196 * ixgbe_set_vmdq_queues: Allocate queues for VMDq devices
1197 * @adapter: board private structure to initialize
1199 * When VMDq (Virtual Machine Devices queue) is enabled, allocate queues
1200 * and VM pools where appropriate. If RSS is available, then also try and
1201 * enable RSS and map accordingly.
1204 static bool ixgbe_set_vmdq_queues(struct ixgbe_adapter
*adapter
)
1206 int vmdq_i
= adapter
->ring_feature
[RING_F_VMDQ
].indices
;
1208 int rss_i
= adapter
->ring_feature
[RING_F_RSS
].indices
;
1214 switch (adapter
->flags
& (IXGBE_FLAG_RSS_ENABLED
1215 | IXGBE_FLAG_DCB_ENABLED
1216 | IXGBE_FLAG_VMDQ_ENABLED
)) {
1218 case (IXGBE_FLAG_RSS_ENABLED
| IXGBE_FLAG_VMDQ_ENABLED
):
1219 switch (adapter
->hw
.mac
.type
) {
1220 case ixgbe_mac_82599EB
:
1221 case ixgbe_mac_X540
:
1222 vmdq_i
= min((int)IXGBE_MAX_VMDQ_INDICES
, vmdq_i
);
1228 rss_shift
= find_first_bit(&i
, sizeof(i
) * 8);
1229 vmdq_m
= ((IXGBE_MAX_VMDQ_INDICES
- 1) <<
1230 rss_shift
) & (MAX_RX_QUEUES
- 1);
1235 adapter
->num_rx_queues
= vmdq_i
* rss_i
;
1236 adapter
->num_tx_queues
= min((int)MAX_TX_QUEUES
, vmdq_i
* rss_i
);
1240 case (IXGBE_FLAG_VMDQ_ENABLED
):
1241 switch (adapter
->hw
.mac
.type
) {
1242 case ixgbe_mac_82598EB
:
1243 vmdq_m
= (IXGBE_MAX_VMDQ_INDICES
- 1);
1245 case ixgbe_mac_82599EB
:
1246 case ixgbe_mac_X540
:
1247 vmdq_m
= (IXGBE_MAX_VMDQ_INDICES
- 1) << 1;
1252 adapter
->num_rx_queues
= vmdq_i
;
1253 adapter
->num_tx_queues
= vmdq_i
;
1259 goto vmdq_queues_out
;
1262 if (adapter
->flags
& IXGBE_FLAG_VMDQ_ENABLED
) {
1263 adapter
->num_rx_pools
= vmdq_i
;
1264 adapter
->num_rx_queues_per_pool
= adapter
->num_rx_queues
/
1267 adapter
->num_rx_pools
= adapter
->num_rx_queues
;
1268 adapter
->num_rx_queues_per_pool
= 1;
1270 /* save the mask for later use */
1271 adapter
->ring_feature
[RING_F_VMDQ
].mask
= vmdq_m
;
1277 * ixgbe_set_rss_queues: Allocate queues for RSS
1278 * @adapter: board private structure to initialize
1280 * This is our "base" multiqueue mode. RSS (Receive Side Scaling) will try
1281 * to allocate one Rx queue per CPU, and if available, one Tx queue per CPU.
1284 static bool ixgbe_set_rss_queues(struct ixgbe_adapter
*adapter
)
1286 struct ixgbe_ring_feature
*f
;
1288 if (!(adapter
->flags
& IXGBE_FLAG_RSS_ENABLED
)) {
1289 adapter
->flags
&= ~IXGBE_FLAG_FDIR_HASH_CAPABLE
;
1293 /* set mask for 16 queue limit of RSS */
1294 f
= &adapter
->ring_feature
[RING_F_RSS
];
1298 * Use Flow Director in addition to RSS to ensure the best
1299 * distribution of flows across cores, even when an FDIR flow
1302 if (adapter
->flags
& IXGBE_FLAG_FDIR_HASH_CAPABLE
) {
1303 f
= &adapter
->ring_feature
[RING_F_FDIR
];
1305 f
->indices
= min_t(int, num_online_cpus(), f
->indices
);
1309 adapter
->num_rx_queues
= f
->indices
;
1311 adapter
->num_tx_queues
= f
->indices
;
1319 * ixgbe_set_fcoe_queues: Allocate queues for Fiber Channel over Ethernet (FCoE)
1320 * @adapter: board private structure to initialize
1322 * FCoE RX FCRETA can use up to 8 rx queues for up to 8 different exchanges.
1323 * The ring feature mask is not used as a mask for FCoE, as it can take any 8
1324 * rx queues out of the max number of rx queues, instead, it is used as the
1325 * index of the first rx queue used by FCoE.
1328 static bool ixgbe_set_fcoe_queues(struct ixgbe_adapter
*adapter
)
1330 struct ixgbe_ring_feature
*f
;
1332 if (!(adapter
->flags
& IXGBE_FLAG_FCOE_ENABLED
))
1335 ixgbe_set_rss_queues(adapter
);
1337 f
= &adapter
->ring_feature
[RING_F_FCOE
];
1338 f
->indices
= min_t(int, num_online_cpus(), f
->indices
);
1340 /* adding FCoE queues */
1341 f
->mask
= adapter
->num_rx_queues
;
1342 adapter
->num_rx_queues
+= f
->indices
;
1343 adapter
->num_tx_queues
+= f
->indices
;
1348 #endif /* IXGBE_FCOE */
1350 * ixgbe_set_num_queues: Allocate queues for device, feature dependent
1351 * @adapter: board private structure to initialize
1353 * This is the top level queue allocation routine. The order here is very
1354 * important, starting with the "most" number of features turned on at once,
1355 * and ending with the smallest set of features. This way large combinations
1356 * can be allocated if they're turned on, and smaller combinations are the
1357 * fallthrough conditions.
1360 static void ixgbe_set_num_queues(struct ixgbe_adapter
*adapter
)
1362 /* Start with base case */
1363 adapter
->num_rx_queues
= 1;
1364 adapter
->num_tx_queues
= 1;
1365 adapter
->num_rx_pools
= adapter
->num_rx_queues
;
1366 adapter
->num_rx_queues_per_pool
= 1;
1368 if (ixgbe_set_vmdq_queues(adapter
))
1371 if (ixgbe_set_dcb_queues(adapter
))
1375 if (ixgbe_set_fcoe_queues(adapter
))
1378 #endif /* IXGBE_FCOE */
1379 ixgbe_set_rss_queues(adapter
);
1386 * ixgbe_sw_init - Initialize general software structures (struct ixgbe_adapter)
1387 * @adapter: board private structure to initialize
1389 * ixgbe_sw_init initializes the Adapter private data structure.
1390 * Fields are initialized based on PCI device information and
1391 * OS network device settings (MTU size).
1393 static int ixgbe_sw_init(struct ixgbe_adapter
*adapter
)
1395 struct ixgbe_hw
*hw
= &adapter
->hw
;
1396 struct pci_dev
*pdev
= adapter
->pdev
;
1399 /* PCI config space info */
1401 hw
->vendor_id
= pdev
->vendor
;
1402 hw
->device_id
= pdev
->device
;
1403 pci_read_config_byte(pdev
, PCI_REVISION_ID
, &hw
->revision_id
);
1404 hw
->subsystem_vendor_id
= pdev
->subsystem_vendor
;
1405 hw
->subsystem_device_id
= pdev
->subsystem_device
;
1407 err
= ixgbe_init_shared_code(hw
);
1409 e_err(probe
, "init_shared_code failed: %d\n", err
);
1412 adapter
->mac_table
= kzalloc(sizeof(struct ixgbe_mac_addr
) *
1413 hw
->mac
.num_rar_entries
,
1415 /* Set capability flags */
1416 switch (hw
->mac
.type
) {
1417 case ixgbe_mac_82598EB
:
1418 adapter
->flags
|= IXGBE_FLAG_MSI_CAPABLE
|
1419 IXGBE_FLAG_MSIX_CAPABLE
|
1420 IXGBE_FLAG_MQ_CAPABLE
|
1421 IXGBE_FLAG_RSS_CAPABLE
;
1422 adapter
->flags
|= IXGBE_FLAG_DCB_CAPABLE
;
1423 #if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
1424 adapter
->flags
|= IXGBE_FLAG_DCA_CAPABLE
;
1426 adapter
->flags
&= ~IXGBE_FLAG_SRIOV_CAPABLE
;
1427 adapter
->flags2
&= ~IXGBE_FLAG2_RSC_CAPABLE
;
1429 if (hw
->device_id
== IXGBE_DEV_ID_82598AT
)
1430 adapter
->flags
|= IXGBE_FLAG_FAN_FAIL_CAPABLE
;
1432 adapter
->max_msix_q_vectors
= IXGBE_MAX_MSIX_Q_VECTORS_82598
;
1434 case ixgbe_mac_X540
:
1435 adapter
->flags2
|= IXGBE_FLAG2_TEMP_SENSOR_CAPABLE
;
1436 case ixgbe_mac_82599EB
:
1437 adapter
->flags
|= IXGBE_FLAG_MSI_CAPABLE
|
1438 IXGBE_FLAG_MSIX_CAPABLE
|
1439 IXGBE_FLAG_MQ_CAPABLE
|
1440 IXGBE_FLAG_RSS_CAPABLE
;
1441 adapter
->flags
|= IXGBE_FLAG_DCB_CAPABLE
;
1442 #if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
1443 adapter
->flags
|= IXGBE_FLAG_DCA_CAPABLE
;
1445 adapter
->flags
|= IXGBE_FLAG_SRIOV_CAPABLE
;
1446 adapter
->flags2
|= IXGBE_FLAG2_RSC_CAPABLE
;
1448 adapter
->flags
|= IXGBE_FLAG_FCOE_CAPABLE
;
1449 adapter
->flags
&= ~IXGBE_FLAG_FCOE_ENABLED
;
1450 adapter
->ring_feature
[RING_F_FCOE
].indices
= 0;
1452 /* Default traffic class to use for FCoE */
1453 adapter
->fcoe
.tc
= IXGBE_FCOE_DEFTC
;
1454 adapter
->fcoe
.up
= IXGBE_FCOE_DEFTC
;
1455 adapter
->fcoe
.up_set
= IXGBE_FCOE_DEFTC
;
1458 if (hw
->device_id
== IXGBE_DEV_ID_82599_T3_LOM
)
1459 adapter
->flags2
|= IXGBE_FLAG2_TEMP_SENSOR_CAPABLE
;
1460 #ifndef IXGBE_NO_SMART_SPEED
1461 hw
->phy
.smart_speed
= ixgbe_smart_speed_on
;
1463 hw
->phy
.smart_speed
= ixgbe_smart_speed_off
;
1465 adapter
->max_msix_q_vectors
= IXGBE_MAX_MSIX_Q_VECTORS_82599
;
1470 /* n-tuple support exists, always init our spinlock */
1471 //spin_lock_init(&adapter->fdir_perfect_lock);
1473 if (adapter
->flags
& IXGBE_FLAG_DCB_CAPABLE
) {
1475 struct ixgbe_dcb_tc_config
*tc
;
1476 int dcb_i
= IXGBE_DCB_MAX_TRAFFIC_CLASS
;
1479 adapter
->dcb_cfg
.num_tcs
.pg_tcs
= dcb_i
;
1480 adapter
->dcb_cfg
.num_tcs
.pfc_tcs
= dcb_i
;
1481 for (j
= 0; j
< dcb_i
; j
++) {
1482 tc
= &adapter
->dcb_cfg
.tc_config
[j
];
1483 tc
->path
[IXGBE_DCB_TX_CONFIG
].bwg_id
= 0;
1484 tc
->path
[IXGBE_DCB_TX_CONFIG
].bwg_percent
= 100 / dcb_i
;
1485 tc
->path
[IXGBE_DCB_RX_CONFIG
].bwg_id
= 0;
1486 tc
->path
[IXGBE_DCB_RX_CONFIG
].bwg_percent
= 100 / dcb_i
;
1487 tc
->pfc
= ixgbe_dcb_pfc_disabled
;
1489 /* total of all TCs bandwidth needs to be 100 */
1490 tc
->path
[IXGBE_DCB_TX_CONFIG
].bwg_percent
+=
1492 tc
->path
[IXGBE_DCB_RX_CONFIG
].bwg_percent
+=
1497 /* Initialize default user to priority mapping, UPx->TC0 */
1498 tc
= &adapter
->dcb_cfg
.tc_config
[0];
1499 tc
->path
[IXGBE_DCB_TX_CONFIG
].up_to_tc_bitmap
= 0xFF;
1500 tc
->path
[IXGBE_DCB_RX_CONFIG
].up_to_tc_bitmap
= 0xFF;
1502 adapter
->dcb_cfg
.bw_percentage
[IXGBE_DCB_TX_CONFIG
][0] = 100;
1503 adapter
->dcb_cfg
.bw_percentage
[IXGBE_DCB_RX_CONFIG
][0] = 100;
1504 adapter
->dcb_cfg
.rx_pba_cfg
= ixgbe_dcb_pba_equal
;
1505 adapter
->dcb_cfg
.pfc_mode_enable
= false;
1506 adapter
->dcb_cfg
.round_robin_enable
= false;
1507 adapter
->dcb_set_bitmap
= 0x00;
1509 adapter
->dcbx_cap
= DCB_CAP_DCBX_HOST
| DCB_CAP_DCBX_VER_CEE
;
1510 #endif /* CONFIG_DCB */
1512 if (hw
->mac
.type
== ixgbe_mac_X540
) {
1513 adapter
->dcb_cfg
.num_tcs
.pg_tcs
= 4;
1514 adapter
->dcb_cfg
.num_tcs
.pfc_tcs
= 4;
1518 /* XXX does this need to be initialized even w/o DCB? */
1519 //memcpy(&adapter->temp_dcb_cfg, &adapter->dcb_cfg,
1520 // sizeof(adapter->temp_dcb_cfg));
1523 //if (hw->mac.type == ixgbe_mac_82599EB ||
1524 // hw->mac.type == ixgbe_mac_X540)
1525 // hw->mbx.ops.init_params(hw);
1527 /* default flow control settings */
1528 hw
->fc
.requested_mode
= ixgbe_fc_full
;
1529 hw
->fc
.current_mode
= ixgbe_fc_full
; /* init for ethtool output */
1531 adapter
->last_lfc_mode
= hw
->fc
.current_mode
;
1532 ixgbe_pbthresh_setup(adapter
);
1533 hw
->fc
.pause_time
= IXGBE_DEFAULT_FCPAUSE
;
1534 hw
->fc
.send_xon
= true;
1535 hw
->fc
.disable_fc_autoneg
= false;
1537 /* set default ring sizes */
1538 adapter
->tx_ring_count
= IXGBE_DEFAULT_TXD
;
1539 adapter
->rx_ring_count
= IXGBE_DEFAULT_RXD
;
1541 /* set default work limits */
1542 adapter
->tx_work_limit
= IXGBE_DEFAULT_TX_WORK
;
1543 adapter
->rx_work_limit
= IXGBE_DEFAULT_RX_WORK
;
1545 set_bit(__IXGBE_DOWN
, &adapter
->state
);
1551 * ixgbe_setup_tx_resources - allocate Tx resources (Descriptors)
1552 * @tx_ring: tx descriptor ring (for a specific queue) to setup
1554 * Return 0 on success, negative on failure
1556 int ixgbe_setup_tx_resources(struct ixgbe_ring
*tx_ring
)
1558 struct device
*dev
= tx_ring
->dev
;
1559 //int orig_node = dev_to_node(dev);
1563 size
= sizeof(struct ixgbe_tx_buffer
) * tx_ring
->count
;
1565 if (tx_ring
->q_vector
)
1566 numa_node
= tx_ring
->q_vector
->numa_node
;
1568 tx_ring
->tx_buffer_info
= vzalloc_node(size
, numa_node
);
1569 if (!tx_ring
->tx_buffer_info
)
1570 tx_ring
->tx_buffer_info
= vzalloc(size
);
1571 if (!tx_ring
->tx_buffer_info
)
1574 /* round up to nearest 4K */
1575 tx_ring
->size
= tx_ring
->count
* sizeof(union ixgbe_adv_tx_desc
);
1576 tx_ring
->size
= ALIGN(tx_ring
->size
, 4096);
1578 //set_dev_node(dev, numa_node);
1579 //tx_ring->desc = dma_alloc_coherent(dev,
1583 //set_dev_node(dev, orig_node);
1584 //if (!tx_ring->desc)
1585 // tx_ring->desc = dma_alloc_coherent(dev, tx_ring->size,
1586 // &tx_ring->dma, GFP_KERNEL);
1587 //if (!tx_ring->desc)
1593 vfree(tx_ring
->tx_buffer_info
);
1594 tx_ring
->tx_buffer_info
= NULL
;
1595 dev_err(dev
, "Unable to allocate memory for the Tx descriptor ring\n");
1600 * ixgbe_setup_all_tx_resources - allocate all queues Tx resources
1601 * @adapter: board private structure
1603 * If this function returns with an error, then it's possible one or
1604 * more of the rings is populated (while the rest are not). It is the
1605 * callers duty to clean those orphaned rings.
1607 * Return 0 on success, negative on failure
1609 static int ixgbe_setup_all_tx_resources(struct ixgbe_adapter
*adapter
)
1613 for (i
= 0; i
< adapter
->num_tx_queues
; i
++) {
1614 err
= ixgbe_setup_tx_resources(adapter
->tx_ring
[i
]);
1617 e_err(probe
, "Allocation for Tx Queue %u failed\n", i
);
1625 * ixgbe_setup_rx_resources - allocate Rx resources (Descriptors)
1626 * @rx_ring: rx descriptor ring (for a specific queue) to setup
1628 * Returns 0 on success, negative on failure
1630 int ixgbe_setup_rx_resources(struct ixgbe_ring
*rx_ring
)
1632 struct device
*dev
= rx_ring
->dev
;
1633 //int orig_node = dev_to_node(dev);
1637 size
= sizeof(struct ixgbe_rx_buffer
) * rx_ring
->count
;
1639 if (rx_ring
->q_vector
)
1640 numa_node
= rx_ring
->q_vector
->numa_node
;
1642 rx_ring
->rx_buffer_info
= vzalloc_node(size
, numa_node
);
1643 if (!rx_ring
->rx_buffer_info
)
1644 rx_ring
->rx_buffer_info
= vzalloc(size
);
1645 if (!rx_ring
->rx_buffer_info
)
1648 /* Round up to nearest 4K */
1649 rx_ring
->size
= rx_ring
->count
* sizeof(union ixgbe_adv_rx_desc
);
1650 rx_ring
->size
= ALIGN(rx_ring
->size
, 4096);
1653 set_dev_node(dev
, numa_node
);
1654 rx_ring
->desc
= dma_alloc_coherent(dev
,
1658 set_dev_node(dev
, orig_node
);
1660 rx_ring
->desc
= dma_alloc_coherent(dev
, rx_ring
->size
,
1661 &rx_ring
->dma
, GFP_KERNEL
);
1665 #ifndef CONFIG_IXGBE_DISABLE_PACKET_SPLIT
1666 ixgbe_init_rx_page_offset(rx_ring
);
1670 #endif /* NO_VNIC */
1673 vfree(rx_ring
->rx_buffer_info
);
1674 rx_ring
->rx_buffer_info
= NULL
;
1675 dev_err(dev
, "Unable to allocate memory for the Rx descriptor ring\n");
1680 * ixgbe_setup_all_rx_resources - allocate all queues Rx resources
1681 * @adapter: board private structure
1683 * If this function returns with an error, then it's possible one or
1684 * more of the rings is populated (while the rest are not). It is the
1685 * callers duty to clean those orphaned rings.
1687 * Return 0 on success, negative on failure
1689 static int ixgbe_setup_all_rx_resources(struct ixgbe_adapter
*adapter
)
1693 for (i
= 0; i
< adapter
->num_rx_queues
; i
++) {
1694 err
= ixgbe_setup_rx_resources(adapter
->rx_ring
[i
]);
1697 e_err(probe
, "Allocation for Rx Queue %u failed\n", i
);
1705 * ixgbe_free_tx_resources - Free Tx Resources per Queue
1706 * @tx_ring: Tx descriptor ring for a specific queue
1708 * Free all transmit software resources
1710 void ixgbe_free_tx_resources(struct ixgbe_ring
*tx_ring
)
1712 //ixgbe_clean_tx_ring(tx_ring);
1714 vfree(tx_ring
->tx_buffer_info
);
1715 tx_ring
->tx_buffer_info
= NULL
;
1717 /* if not set, then don't free */
1721 //dma_free_coherent(tx_ring->dev, tx_ring->size,
1722 // tx_ring->desc, tx_ring->dma);
1724 tx_ring
->desc
= NULL
;
1728 * ixgbe_free_all_tx_resources - Free Tx Resources for All Queues
1729 * @adapter: board private structure
1731 * Free all transmit software resources
1733 static void ixgbe_free_all_tx_resources(struct ixgbe_adapter
*adapter
)
1737 for (i
= 0; i
< adapter
->num_tx_queues
; i
++)
1738 if (adapter
->tx_ring
[i
]->desc
)
1739 ixgbe_free_tx_resources(adapter
->tx_ring
[i
]);
1743 * ixgbe_free_rx_resources - Free Rx Resources
1744 * @rx_ring: ring to clean the resources from
1746 * Free all receive software resources
1748 void ixgbe_free_rx_resources(struct ixgbe_ring
*rx_ring
)
1750 //ixgbe_clean_rx_ring(rx_ring);
1752 vfree(rx_ring
->rx_buffer_info
);
1753 rx_ring
->rx_buffer_info
= NULL
;
1755 /* if not set, then don't free */
1759 //dma_free_coherent(rx_ring->dev, rx_ring->size,
1760 // rx_ring->desc, rx_ring->dma);
1762 rx_ring
->desc
= NULL
;
1766 * ixgbe_free_all_rx_resources - Free Rx Resources for All Queues
1767 * @adapter: board private structure
1769 * Free all receive software resources
1771 static void ixgbe_free_all_rx_resources(struct ixgbe_adapter
*adapter
)
1775 for (i
= 0; i
< adapter
->num_rx_queues
; i
++)
1776 if (adapter
->rx_ring
[i
]->desc
)
1777 ixgbe_free_rx_resources(adapter
->rx_ring
[i
]);
1782 * ixgbe_open - Called when a network interface is made active
1783 * @netdev: network interface device structure
1785 * Returns 0 on success, negative value on failure
1787 * The open entry point is called when a network interface is made
1788 * active by the system (IFF_UP). At this point all resources needed
1789 * for transmit and receive operations are allocated, the interrupt
1790 * handler is registered with the OS, the watchdog timer is started,
1791 * and the stack is notified that the interface is ready.
1794 int ixgbe_open(struct net_device
*netdev
)
1796 struct ixgbe_adapter
*adapter
= netdev_priv(netdev
);
1799 /* disallow open during test */
1800 if (test_bit(__IXGBE_TESTING
, &adapter
->state
))
1803 netif_carrier_off(netdev
);
1805 /* allocate transmit descriptors */
1806 err
= ixgbe_setup_all_tx_resources(adapter
);
1810 /* allocate receive descriptors */
1811 err
= ixgbe_setup_all_rx_resources(adapter
);
1816 ixgbe_configure(adapter
);
1818 err
= ixgbe_request_irq(adapter
);
1822 ixgbe_up_complete(adapter
);
1829 ixgbe_free_all_rx_resources(adapter
);
1831 ixgbe_free_all_tx_resources(adapter
);
1832 ixgbe_reset(adapter
);
1838 * ixgbe_close - Disables a network interface
1839 * @netdev: network interface device structure
1841 * Returns 0, this is not allowed to fail
1843 * The close entry point is called when an interface is de-activated
1844 * by the OS. The hardware is still under the drivers control, but
1845 * needs to be disabled. A global MAC reset is issued to stop the
1846 * hardware, and all transmit and receive resources are freed.
1849 int ixgbe_close(struct net_device
*netdev
)
1851 struct ixgbe_adapter
*adapter
= netdev_priv(netdev
);
1853 //ixgbe_down(adapter);
1854 //ixgbe_free_irq(adapter);
1856 //ixgbe_fdir_filter_exit(adapter);
1858 //ixgbe_free_all_tx_resources(adapter);
1859 //ixgbe_free_all_rx_resources(adapter);
1861 ixgbe_release_hw_control(adapter
);
1871 * ixgbe_get_stats - Get System Network Statistics
1872 * @netdev: network interface device structure
1874 * Returns the address of the device statistics structure.
1875 * The statistics are actually updated from the timer callback.
1878 struct net_device_stats
*ixgbe_get_stats(struct net_device
*netdev
)
1880 struct ixgbe_adapter
*adapter
= netdev_priv(netdev
);
1882 /* update the stats data */
1883 ixgbe_update_stats(adapter
);
1885 #ifdef HAVE_NETDEV_STATS_IN_NETDEV
1886 /* only return the current stats */
1887 return &netdev
->stats
;
1889 /* only return the current stats */
1890 return &adapter
->net_stats
;
1891 #endif /* HAVE_NETDEV_STATS_IN_NETDEV */
1895 * ixgbe_update_stats - Update the board statistics counters.
1896 * @adapter: board private structure
1898 void ixgbe_update_stats(struct ixgbe_adapter
*adapter
)
1900 #ifdef HAVE_NETDEV_STATS_IN_NETDEV
1901 struct net_device_stats
*net_stats
= &adapter
->netdev
->stats
;
1903 struct net_device_stats
*net_stats
= &adapter
->net_stats
;
1904 #endif /* HAVE_NETDEV_STATS_IN_NETDEV */
1905 struct ixgbe_hw
*hw
= &adapter
->hw
;
1906 struct ixgbe_hw_stats
*hwstats
= &adapter
->stats
;
1908 u32 i
, missed_rx
= 0, mpc
, bprc
, lxon
, lxoff
, xon_off_tot
;
1909 u64 non_eop_descs
= 0, restart_queue
= 0, tx_busy
= 0;
1910 u64 alloc_rx_page_failed
= 0, alloc_rx_buff_failed
= 0;
1911 u64 bytes
= 0, packets
= 0, hw_csum_rx_error
= 0;
1912 #ifndef IXGBE_NO_LRO
1913 u32 flushed
= 0, coal
= 0;
1914 int num_q_vectors
= 1;
1917 struct ixgbe_fcoe
*fcoe
= &adapter
->fcoe
;
1919 u64 fcoe_noddp_counts_sum
= 0, fcoe_noddp_ext_buff_counts_sum
= 0;
1920 #endif /* IXGBE_FCOE */
1922 printk(KERN_DEBUG
"ixgbe_update_stats, tx_queues=%d, rx_queues=%d\n",
1923 adapter
->num_tx_queues
, adapter
->num_rx_queues
);
1925 if (test_bit(__IXGBE_DOWN
, &adapter
->state
) ||
1926 test_bit(__IXGBE_RESETTING
, &adapter
->state
))
1929 #ifndef IXGBE_NO_LRO
1930 if (adapter
->flags
& IXGBE_FLAG_MSIX_ENABLED
)
1931 num_q_vectors
= adapter
->num_msix_vectors
- NON_Q_VECTORS
;
1934 if (adapter
->flags2
& IXGBE_FLAG2_RSC_ENABLED
) {
1937 for (i
= 0; i
< adapter
->num_rx_queues
; i
++) {
1938 rsc_count
+= adapter
->rx_ring
[i
]->rx_stats
.rsc_count
;
1939 rsc_flush
+= adapter
->rx_ring
[i
]->rx_stats
.rsc_flush
;
1941 adapter
->rsc_total_count
= rsc_count
;
1942 adapter
->rsc_total_flush
= rsc_flush
;
1945 #ifndef IXGBE_NO_LRO
1946 for (i
= 0; i
< num_q_vectors
; i
++) {
1947 struct ixgbe_q_vector
*q_vector
= adapter
->q_vector
[i
];
1950 flushed
+= q_vector
->lrolist
.stats
.flushed
;
1951 coal
+= q_vector
->lrolist
.stats
.coal
;
1953 adapter
->lro_stats
.flushed
= flushed
;
1954 adapter
->lro_stats
.coal
= coal
;
1957 for (i
= 0; i
< adapter
->num_rx_queues
; i
++) {
1958 struct ixgbe_ring
*rx_ring
= adapter
->rx_ring
[i
];
1959 non_eop_descs
+= rx_ring
->rx_stats
.non_eop_descs
;
1960 alloc_rx_page_failed
+= rx_ring
->rx_stats
.alloc_rx_page_failed
;
1961 alloc_rx_buff_failed
+= rx_ring
->rx_stats
.alloc_rx_buff_failed
;
1962 hw_csum_rx_error
+= rx_ring
->rx_stats
.csum_err
;
1963 bytes
+= rx_ring
->stats
.bytes
;
1964 packets
+= rx_ring
->stats
.packets
;
1967 adapter
->non_eop_descs
= non_eop_descs
;
1968 adapter
->alloc_rx_page_failed
= alloc_rx_page_failed
;
1969 adapter
->alloc_rx_buff_failed
= alloc_rx_buff_failed
;
1970 adapter
->hw_csum_rx_error
= hw_csum_rx_error
;
1971 net_stats
->rx_bytes
= bytes
;
1972 net_stats
->rx_packets
= packets
;
1976 /* gather some stats to the adapter struct that are per queue */
1977 for (i
= 0; i
< adapter
->num_tx_queues
; i
++) {
1978 struct ixgbe_ring
*tx_ring
= adapter
->tx_ring
[i
];
1979 restart_queue
+= tx_ring
->tx_stats
.restart_queue
;
1980 tx_busy
+= tx_ring
->tx_stats
.tx_busy
;
1981 bytes
+= tx_ring
->stats
.bytes
;
1982 packets
+= tx_ring
->stats
.packets
;
1984 adapter
->restart_queue
= restart_queue
;
1985 adapter
->tx_busy
= tx_busy
;
1986 net_stats
->tx_bytes
= bytes
;
1987 net_stats
->tx_packets
= packets
;
1989 hwstats
->crcerrs
+= IXGBE_READ_REG(hw
, IXGBE_CRCERRS
);
1991 /* 8 register reads */
1992 for (i
= 0; i
< 8; i
++) {
1993 /* for packet buffers not used, the register should read 0 */
1994 mpc
= IXGBE_READ_REG(hw
, IXGBE_MPC(i
));
1996 hwstats
->mpc
[i
] += mpc
;
1997 total_mpc
+= hwstats
->mpc
[i
];
1998 hwstats
->pxontxc
[i
] += IXGBE_READ_REG(hw
, IXGBE_PXONTXC(i
));
1999 hwstats
->pxofftxc
[i
] += IXGBE_READ_REG(hw
, IXGBE_PXOFFTXC(i
));
2000 switch (hw
->mac
.type
) {
2001 case ixgbe_mac_82598EB
:
2002 hwstats
->rnbc
[i
] += IXGBE_READ_REG(hw
, IXGBE_RNBC(i
));
2003 hwstats
->qbtc
[i
] += IXGBE_READ_REG(hw
, IXGBE_QBTC(i
));
2004 hwstats
->qbrc
[i
] += IXGBE_READ_REG(hw
, IXGBE_QBRC(i
));
2005 hwstats
->pxonrxc
[i
] +=
2006 IXGBE_READ_REG(hw
, IXGBE_PXONRXC(i
));
2008 case ixgbe_mac_82599EB
:
2009 case ixgbe_mac_X540
:
2010 hwstats
->pxonrxc
[i
] +=
2011 IXGBE_READ_REG(hw
, IXGBE_PXONRXCNT(i
));
2018 /*16 register reads */
2019 for (i
= 0; i
< 16; i
++) {
2020 hwstats
->qptc
[i
] += IXGBE_READ_REG(hw
, IXGBE_QPTC(i
));
2021 hwstats
->qprc
[i
] += IXGBE_READ_REG(hw
, IXGBE_QPRC(i
));
2022 if ((hw
->mac
.type
== ixgbe_mac_82599EB
) ||
2023 (hw
->mac
.type
== ixgbe_mac_X540
)) {
2024 hwstats
->qbtc
[i
] += IXGBE_READ_REG(hw
, IXGBE_QBTC_L(i
));
2025 IXGBE_READ_REG(hw
, IXGBE_QBTC_H(i
)); /* to clear */
2026 hwstats
->qbrc
[i
] += IXGBE_READ_REG(hw
, IXGBE_QBRC_L(i
));
2027 IXGBE_READ_REG(hw
, IXGBE_QBRC_H(i
)); /* to clear */
2031 hwstats
->gprc
+= IXGBE_READ_REG(hw
, IXGBE_GPRC
);
2032 /* work around hardware counting issue */
2033 hwstats
->gprc
-= missed_rx
;
2035 ixgbe_update_xoff_received(adapter
);
2037 /* 82598 hardware only has a 32 bit counter in the high register */
2038 switch (hw
->mac
.type
) {
2039 case ixgbe_mac_82598EB
:
2040 hwstats
->lxonrxc
+= IXGBE_READ_REG(hw
, IXGBE_LXONRXC
);
2041 hwstats
->gorc
+= IXGBE_READ_REG(hw
, IXGBE_GORCH
);
2042 hwstats
->gotc
+= IXGBE_READ_REG(hw
, IXGBE_GOTCH
);
2043 hwstats
->tor
+= IXGBE_READ_REG(hw
, IXGBE_TORH
);
2045 case ixgbe_mac_X540
:
2046 /* OS2BMC stats are X540 only*/
2047 hwstats
->o2bgptc
+= IXGBE_READ_REG(hw
, IXGBE_O2BGPTC
);
2048 hwstats
->o2bspc
+= IXGBE_READ_REG(hw
, IXGBE_O2BSPC
);
2049 hwstats
->b2ospc
+= IXGBE_READ_REG(hw
, IXGBE_B2OSPC
);
2050 hwstats
->b2ogprc
+= IXGBE_READ_REG(hw
, IXGBE_B2OGPRC
);
2051 case ixgbe_mac_82599EB
:
2052 for (i
= 0; i
< 16; i
++)
2053 adapter
->hw_rx_no_dma_resources
+=
2054 IXGBE_READ_REG(hw
, IXGBE_QPRDC(i
));
2055 hwstats
->gorc
+= IXGBE_READ_REG(hw
, IXGBE_GORCL
);
2056 IXGBE_READ_REG(hw
, IXGBE_GORCH
); /* to clear */
2057 hwstats
->gotc
+= IXGBE_READ_REG(hw
, IXGBE_GOTCL
);
2058 IXGBE_READ_REG(hw
, IXGBE_GOTCH
); /* to clear */
2059 hwstats
->tor
+= IXGBE_READ_REG(hw
, IXGBE_TORL
);
2060 IXGBE_READ_REG(hw
, IXGBE_TORH
); /* to clear */
2061 hwstats
->lxonrxc
+= IXGBE_READ_REG(hw
, IXGBE_LXONRXCNT
);
2063 hwstats
->fdirmatch
+= IXGBE_READ_REG(hw
, IXGBE_FDIRMATCH
);
2064 hwstats
->fdirmiss
+= IXGBE_READ_REG(hw
, IXGBE_FDIRMISS
);
2065 #endif /* HAVE_TX_MQ */
2067 hwstats
->fccrc
+= IXGBE_READ_REG(hw
, IXGBE_FCCRC
);
2068 hwstats
->fclast
+= IXGBE_READ_REG(hw
, IXGBE_FCLAST
);
2069 hwstats
->fcoerpdc
+= IXGBE_READ_REG(hw
, IXGBE_FCOERPDC
);
2070 hwstats
->fcoeprc
+= IXGBE_READ_REG(hw
, IXGBE_FCOEPRC
);
2071 hwstats
->fcoeptc
+= IXGBE_READ_REG(hw
, IXGBE_FCOEPTC
);
2072 hwstats
->fcoedwrc
+= IXGBE_READ_REG(hw
, IXGBE_FCOEDWRC
);
2073 hwstats
->fcoedwtc
+= IXGBE_READ_REG(hw
, IXGBE_FCOEDWTC
);
2074 /* Add up per cpu counters for total ddp aloc fail */
2075 if (fcoe
&& fcoe
->pcpu_noddp
&& fcoe
->pcpu_noddp_ext_buff
) {
2076 for_each_possible_cpu(cpu
) {
2077 fcoe_noddp_counts_sum
+=
2078 *per_cpu_ptr(fcoe
->pcpu_noddp
, cpu
);
2079 fcoe_noddp_ext_buff_counts_sum
+=
2081 pcpu_noddp_ext_buff
, cpu
);
2084 hwstats
->fcoe_noddp
= fcoe_noddp_counts_sum
;
2085 hwstats
->fcoe_noddp_ext_buff
= fcoe_noddp_ext_buff_counts_sum
;
2087 #endif /* IXGBE_FCOE */
2092 bprc
= IXGBE_READ_REG(hw
, IXGBE_BPRC
);
2093 hwstats
->bprc
+= bprc
;
2094 hwstats
->mprc
+= IXGBE_READ_REG(hw
, IXGBE_MPRC
);
2095 if (hw
->mac
.type
== ixgbe_mac_82598EB
)
2096 hwstats
->mprc
-= bprc
;
2097 hwstats
->roc
+= IXGBE_READ_REG(hw
, IXGBE_ROC
);
2098 hwstats
->prc64
+= IXGBE_READ_REG(hw
, IXGBE_PRC64
);
2099 hwstats
->prc127
+= IXGBE_READ_REG(hw
, IXGBE_PRC127
);
2100 hwstats
->prc255
+= IXGBE_READ_REG(hw
, IXGBE_PRC255
);
2101 hwstats
->prc511
+= IXGBE_READ_REG(hw
, IXGBE_PRC511
);
2102 hwstats
->prc1023
+= IXGBE_READ_REG(hw
, IXGBE_PRC1023
);
2103 hwstats
->prc1522
+= IXGBE_READ_REG(hw
, IXGBE_PRC1522
);
2104 hwstats
->rlec
+= IXGBE_READ_REG(hw
, IXGBE_RLEC
);
2105 lxon
= IXGBE_READ_REG(hw
, IXGBE_LXONTXC
);
2106 hwstats
->lxontxc
+= lxon
;
2107 lxoff
= IXGBE_READ_REG(hw
, IXGBE_LXOFFTXC
);
2108 hwstats
->lxofftxc
+= lxoff
;
2109 hwstats
->gptc
+= IXGBE_READ_REG(hw
, IXGBE_GPTC
);
2110 hwstats
->mptc
+= IXGBE_READ_REG(hw
, IXGBE_MPTC
);
2112 * 82598 errata - tx of flow control packets is included in tx counters
2114 xon_off_tot
= lxon
+ lxoff
;
2115 hwstats
->gptc
-= xon_off_tot
;
2116 hwstats
->mptc
-= xon_off_tot
;
2117 hwstats
->gotc
-= (xon_off_tot
* (ETH_ZLEN
+ ETH_FCS_LEN
));
2118 hwstats
->ruc
+= IXGBE_READ_REG(hw
, IXGBE_RUC
);
2119 hwstats
->rfc
+= IXGBE_READ_REG(hw
, IXGBE_RFC
);
2120 hwstats
->rjc
+= IXGBE_READ_REG(hw
, IXGBE_RJC
);
2121 hwstats
->tpr
+= IXGBE_READ_REG(hw
, IXGBE_TPR
);
2122 hwstats
->ptc64
+= IXGBE_READ_REG(hw
, IXGBE_PTC64
);
2123 hwstats
->ptc64
-= xon_off_tot
;
2124 hwstats
->ptc127
+= IXGBE_READ_REG(hw
, IXGBE_PTC127
);
2125 hwstats
->ptc255
+= IXGBE_READ_REG(hw
, IXGBE_PTC255
);
2126 hwstats
->ptc511
+= IXGBE_READ_REG(hw
, IXGBE_PTC511
);
2127 hwstats
->ptc1023
+= IXGBE_READ_REG(hw
, IXGBE_PTC1023
);
2128 hwstats
->ptc1522
+= IXGBE_READ_REG(hw
, IXGBE_PTC1522
);
2129 hwstats
->bptc
+= IXGBE_READ_REG(hw
, IXGBE_BPTC
);
2130 /* Fill out the OS statistics structure */
2131 net_stats
->multicast
= hwstats
->mprc
;
2134 net_stats
->rx_errors
= hwstats
->crcerrs
+
2136 net_stats
->rx_dropped
= 0;
2137 net_stats
->rx_length_errors
= hwstats
->rlec
;
2138 net_stats
->rx_crc_errors
= hwstats
->crcerrs
;
2139 net_stats
->rx_missed_errors
= total_mpc
;
2142 * VF Stats Collection - skip while resetting because these
2143 * are not clear on read and otherwise you'll sometimes get
2146 if (!test_bit(__IXGBE_RESETTING
, &adapter
->state
)) {
2147 for (i
= 0; i
< adapter
->num_vfs
; i
++) {
2148 UPDATE_VF_COUNTER_32bit(IXGBE_PVFGPRC(i
), \
2149 adapter
->vfinfo
[i
].last_vfstats
.gprc
, \
2150 adapter
->vfinfo
[i
].vfstats
.gprc
);
2151 UPDATE_VF_COUNTER_32bit(IXGBE_PVFGPTC(i
), \
2152 adapter
->vfinfo
[i
].last_vfstats
.gptc
, \
2153 adapter
->vfinfo
[i
].vfstats
.gptc
);
2154 UPDATE_VF_COUNTER_36bit(IXGBE_PVFGORC_LSB(i
), \
2155 IXGBE_PVFGORC_MSB(i
), \
2156 adapter
->vfinfo
[i
].last_vfstats
.gorc
, \
2157 adapter
->vfinfo
[i
].vfstats
.gorc
);
2158 UPDATE_VF_COUNTER_36bit(IXGBE_PVFGOTC_LSB(i
), \
2159 IXGBE_PVFGOTC_MSB(i
), \
2160 adapter
->vfinfo
[i
].last_vfstats
.gotc
, \
2161 adapter
->vfinfo
[i
].vfstats
.gotc
);
2162 UPDATE_VF_COUNTER_32bit(IXGBE_PVFMPRC(i
), \
2163 adapter
->vfinfo
[i
].last_vfstats
.mprc
, \
2164 adapter
->vfinfo
[i
].vfstats
.mprc
);
2173 * ixgbe_watchdog_update_link - update the link status
2174 * @adapter - pointer to the device adapter structure
2175 * @link_speed - pointer to a u32 to store the link_speed
2177 static void ixgbe_watchdog_update_link(struct ixgbe_adapter
*adapter
)
2179 struct ixgbe_hw
*hw
= &adapter
->hw
;
2180 u32 link_speed
= adapter
->link_speed
;
2181 bool link_up
= adapter
->link_up
;
2182 bool pfc_en
= adapter
->dcb_cfg
.pfc_mode_enable
;
2184 if (!(adapter
->flags
& IXGBE_FLAG_NEED_LINK_UPDATE
))
2187 if (hw
->mac
.ops
.check_link
) {
2188 hw
->mac
.ops
.check_link(hw
, &link_speed
, &link_up
, false);
2190 /* always assume link is up, if no check link function */
2191 link_speed
= IXGBE_LINK_SPEED_10GB_FULL
;
2195 #ifdef HAVE_DCBNL_IEEE
2196 if (adapter
->ixgbe_ieee_pfc
)
2197 pfc_en
|= !!(adapter
->ixgbe_ieee_pfc
->pfc_en
);
2200 if (link_up
&& !((adapter
->flags
& IXGBE_FLAG_DCB_ENABLED
) && pfc_en
)) {
2201 hw
->mac
.ops
.fc_enable(hw
);
2202 //ixgbe_set_rx_drop_en(adapter);
2206 time_after(jiffies
, (adapter
->link_check_timeout
+
2207 IXGBE_TRY_LINK_TIMEOUT
))) {
2208 adapter
->flags
&= ~IXGBE_FLAG_NEED_LINK_UPDATE
;
2209 IXGBE_WRITE_REG(hw
, IXGBE_EIMS
, IXGBE_EIMC_LSC
);
2210 IXGBE_WRITE_FLUSH(hw
);
2213 adapter
->link_up
= link_up
;
2214 adapter
->link_speed
= link_speed
;
2223 * ixgbe_service_task - manages and runs subtasks
2224 * @work: pointer to work_struct containing our data
2226 static void ixgbe_service_task(struct work_struct
*work
)
2228 //struct ixgbe_adapter *adapter = container_of(work,
2229 // struct ixgbe_adapter,
2232 //ixgbe_reset_subtask(adapter);
2233 //ixgbe_sfp_detection_subtask(adapter);
2234 //ixgbe_sfp_link_config_subtask(adapter);
2235 //ixgbe_check_overtemp_subtask(adapter);
2236 //ixgbe_watchdog_subtask(adapter);
2238 //ixgbe_fdir_reinit_subtask(adapter);
2240 //ixgbe_check_hang_subtask(adapter);
2242 //ixgbe_service_event_complete(adapter);
2248 #define IXGBE_TXD_CMD (IXGBE_TXD_CMD_EOP | \
2253 * ixgbe_set_mac - Change the Ethernet Address of the NIC
2254 * @netdev: network interface device structure
2255 * @p: pointer to an address structure
2257 * Returns 0 on success, negative on failure
2259 static int ixgbe_set_mac(struct net_device
*netdev
, void *p
)
2261 struct ixgbe_adapter
*adapter
= netdev_priv(netdev
);
2262 struct ixgbe_hw
*hw
= &adapter
->hw
;
2263 struct sockaddr
*addr
= p
;
2266 if (!is_valid_ether_addr(addr
->sa_data
))
2267 return -EADDRNOTAVAIL
;
2269 ixgbe_del_mac_filter(adapter
, hw
->mac
.addr
,
2271 memcpy(netdev
->dev_addr
, addr
->sa_data
, netdev
->addr_len
);
2272 memcpy(hw
->mac
.addr
, addr
->sa_data
, netdev
->addr_len
);
2275 /* set the correct pool for the new PF MAC address in entry 0 */
2276 ret
= ixgbe_add_mac_filter(adapter
, hw
->mac
.addr
,
2278 return ret
> 0 ? 0 : ret
;
2288 static int ixgbe_ioctl(struct net_device
*netdev
, struct ifreq
*ifr
, int cmd
)
2291 #ifdef ETHTOOL_OPS_COMPAT
2293 return ethtool_ioctl(ifr
);
2299 #endif /* NO_VNIC */
2302 void ixgbe_do_reset(struct net_device
*netdev
)
2304 struct ixgbe_adapter
*adapter
= netdev_priv(netdev
);
2306 if (netif_running(netdev
))
2307 ixgbe_reinit_locked(adapter
);
2309 ixgbe_reset(adapter
);
2318 * ixgbe_probe - Device Initialization Routine
2319 * @pdev: PCI device information struct
2320 * @ent: entry in ixgbe_pci_tbl
2322 * Returns 0 on success, negative on failure
2324 * ixgbe_probe initializes an adapter identified by a pci_dev structure.
2325 * The OS initialization, configuring of the adapter private structure,
2326 * and a hardware reset occur.
2329 int ixgbe_kni_probe(struct pci_dev
*pdev
,
2330 struct net_device
**lad_dev
)
2333 struct net_device
*netdev
;
2334 struct ixgbe_adapter
*adapter
= NULL
;
2335 struct ixgbe_hw
*hw
= NULL
;
2336 static int cards_found
;
2339 u16 eeprom_verh
, eeprom_verl
, eeprom_cfg_blkh
, eeprom_cfg_blkl
;
2341 u16 build
, major
, patch
;
2342 char *info_string
, *i_s_var
;
2343 u8 part_str
[IXGBE_PBANUM_LENGTH
];
2344 enum ixgbe_mac_type mac_type
= ixgbe_mac_unknown
;
2346 unsigned int indices
= num_possible_cpus();
2347 #endif /* HAVE_TX_MQ */
2353 err
= pci_enable_device_mem(pdev
);
2359 err
= pci_request_selected_regions(pdev
, pci_select_bars(pdev
,
2360 IORESOURCE_MEM
), ixgbe_driver_name
);
2362 dev_err(pci_dev_to_dev(pdev
),
2363 "pci_request_selected_regions failed 0x%x\n", err
);
2369 * The mac_type is needed before we have the adapter is set up
2370 * so rather than maintain two devID -> MAC tables we dummy up
2371 * an ixgbe_hw stuct and use ixgbe_set_mac_type.
2373 hw
= vmalloc(sizeof(struct ixgbe_hw
));
2375 pr_info("Unable to allocate memory for early mac "
2378 hw
->vendor_id
= pdev
->vendor
;
2379 hw
->device_id
= pdev
->device
;
2380 ixgbe_set_mac_type(hw
);
2381 mac_type
= hw
->mac
.type
;
2387 * Workaround of Silicon errata on 82598. Disable LOs in the PCI switch
2388 * port to which the 82598 is connected to prevent duplicate
2389 * completions caused by LOs. We need the mac type so that we only
2390 * do this on 82598 devices, ixgbe_set_mac_type does this for us if
2391 * we set it's device ID.
2393 if (mac_type
== ixgbe_mac_82598EB
)
2394 pci_disable_link_state(pdev
, PCIE_LINK_STATE_L0S
);
2396 pci_enable_pcie_error_reporting(pdev
);
2398 pci_set_master(pdev
);
2404 indices
*= IXGBE_DCB_MAX_TRAFFIC_CLASS
;
2406 indices
= max_t(unsigned int, indices
, IXGBE_MAX_DCB_INDICES
);
2407 #endif /* HAVE_MQPRIO */
2408 #endif /* CONFIG_DCB */
2410 if (mac_type
== ixgbe_mac_82598EB
)
2411 indices
= min_t(unsigned int, indices
, IXGBE_MAX_RSS_INDICES
);
2413 indices
= min_t(unsigned int, indices
, IXGBE_MAX_FDIR_INDICES
);
2416 indices
+= min_t(unsigned int, num_possible_cpus(),
2417 IXGBE_MAX_FCOE_INDICES
);
2419 netdev
= alloc_etherdev_mq(sizeof(struct ixgbe_adapter
), indices
);
2420 #else /* HAVE_TX_MQ */
2421 netdev
= alloc_etherdev(sizeof(struct ixgbe_adapter
));
2422 #endif /* HAVE_TX_MQ */
2425 goto err_alloc_etherdev
;
2428 SET_NETDEV_DEV(netdev
, &pdev
->dev
);
2430 adapter
= netdev_priv(netdev
);
2431 //pci_set_drvdata(pdev, adapter);
2433 adapter
->netdev
= netdev
;
2434 adapter
->pdev
= pdev
;
2437 adapter
->msg_enable
= (1 << DEFAULT_DEBUG_LEVEL_SHIFT
) - 1;
2441 * call save state here in standalone driver because it relies on
2442 * adapter struct to exist, and needs to call netdev_priv
2444 pci_save_state(pdev
);
2447 hw
->hw_addr
= ioremap(pci_resource_start(pdev
, 0),
2448 pci_resource_len(pdev
, 0));
2453 //ixgbe_assign_netdev_ops(netdev);
2454 ixgbe_set_ethtool_ops(netdev
);
2456 strlcpy(netdev
->name
, pci_name(pdev
), sizeof(netdev
->name
));
2458 adapter
->bd_number
= cards_found
;
2460 /* setup the private structure */
2461 err
= ixgbe_sw_init(adapter
);
2465 /* Make it possible the adapter to be woken up via WOL */
2466 switch (adapter
->hw
.mac
.type
) {
2467 case ixgbe_mac_82599EB
:
2468 case ixgbe_mac_X540
:
2469 IXGBE_WRITE_REG(&adapter
->hw
, IXGBE_WUS
, ~0);
2476 * check_options must be called before setup_link to set up
2479 //ixgbe_check_options(adapter);
2482 /* reset_hw fills in the perm_addr as well */
2483 hw
->phy
.reset_if_overtemp
= true;
2484 err
= hw
->mac
.ops
.reset_hw(hw
);
2485 hw
->phy
.reset_if_overtemp
= false;
2486 if (err
== IXGBE_ERR_SFP_NOT_PRESENT
&&
2487 hw
->mac
.type
== ixgbe_mac_82598EB
) {
2489 } else if (err
== IXGBE_ERR_SFP_NOT_SUPPORTED
) {
2490 e_dev_err("failed to load because an unsupported SFP+ "
2491 "module type was detected.\n");
2492 e_dev_err("Reload the driver after installing a supported "
2496 e_dev_err("HW Init failed: %d\n", err
);
2501 //if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
2502 // ixgbe_probe_vf(adapter);
2505 #ifdef MAX_SKB_FRAGS
2506 netdev
->features
|= NETIF_F_SG
|
2509 #ifdef NETIF_F_IPV6_CSUM
2510 netdev
->features
|= NETIF_F_IPV6_CSUM
;
2513 #ifdef NETIF_F_HW_VLAN_TX
2514 netdev
->features
|= NETIF_F_HW_VLAN_TX
|
2518 netdev
->features
|= NETIF_F_TSO
;
2519 #endif /* NETIF_F_TSO */
2521 netdev
->features
|= NETIF_F_TSO6
;
2522 #endif /* NETIF_F_TSO6 */
2523 #ifdef NETIF_F_RXHASH
2524 netdev
->features
|= NETIF_F_RXHASH
;
2525 #endif /* NETIF_F_RXHASH */
2527 #ifdef HAVE_NDO_SET_FEATURES
2528 netdev
->features
|= NETIF_F_RXCSUM
;
2530 /* copy netdev features into list of user selectable features */
2531 netdev
->hw_features
|= netdev
->features
;
2533 /* give us the option of enabling RSC/LRO later */
2535 if (adapter
->flags2
& IXGBE_FLAG2_RSC_CAPABLE
)
2537 netdev
->hw_features
|= NETIF_F_LRO
;
2542 /* this is only needed on kernels prior to 2.6.39 */
2543 netdev
->features
|= NETIF_F_GRO
;
2544 #endif /* NETIF_F_GRO */
2547 #ifdef NETIF_F_HW_VLAN_TX
2548 /* set this bit last since it cannot be part of hw_features */
2549 netdev
->features
|= NETIF_F_HW_VLAN_FILTER
;
2551 switch (adapter
->hw
.mac
.type
) {
2552 case ixgbe_mac_82599EB
:
2553 case ixgbe_mac_X540
:
2554 netdev
->features
|= NETIF_F_SCTP_CSUM
;
2555 #ifdef HAVE_NDO_SET_FEATURES
2556 netdev
->hw_features
|= NETIF_F_SCTP_CSUM
|
2564 #ifdef HAVE_NETDEV_VLAN_FEATURES
2565 netdev
->vlan_features
|= NETIF_F_SG
|
2571 #endif /* HAVE_NETDEV_VLAN_FEATURES */
2573 * If perfect filters were enabled in check_options(), enable them
2574 * on the netdevice too.
2576 if (adapter
->flags
& IXGBE_FLAG_FDIR_PERFECT_CAPABLE
)
2577 netdev
->features
|= NETIF_F_NTUPLE
;
2578 if (adapter
->flags
& IXGBE_FLAG_VMDQ_ENABLED
)
2579 adapter
->flags
&= ~IXGBE_FLAG_RSS_ENABLED
;
2580 if (adapter
->flags
& IXGBE_FLAG_DCB_ENABLED
)
2581 adapter
->flags
&= ~IXGBE_FLAG_RSS_ENABLED
;
2582 if (adapter
->flags
& IXGBE_FLAG_VMDQ_ENABLED
) {
2583 adapter
->flags
&= ~IXGBE_FLAG_FDIR_HASH_CAPABLE
;
2584 /* clear n-tuple support in the netdev unconditionally */
2585 netdev
->features
&= ~NETIF_F_NTUPLE
;
2588 #ifdef NETIF_F_RXHASH
2589 if (!(adapter
->flags
& IXGBE_FLAG_RSS_ENABLED
))
2590 netdev
->features
&= ~NETIF_F_RXHASH
;
2592 #endif /* NETIF_F_RXHASH */
2593 if (netdev
->features
& NETIF_F_LRO
) {
2594 if ((adapter
->flags2
& IXGBE_FLAG2_RSC_CAPABLE
) &&
2595 ((adapter
->rx_itr_setting
== 1) ||
2596 (adapter
->rx_itr_setting
> IXGBE_MIN_RSC_ITR
))) {
2597 adapter
->flags2
|= IXGBE_FLAG2_RSC_ENABLED
;
2598 } else if (adapter
->flags2
& IXGBE_FLAG2_RSC_CAPABLE
) {
2600 e_info(probe
, "InterruptThrottleRate set too high, "
2603 e_info(probe
, "InterruptThrottleRate set too high, "
2604 "falling back to software LRO\n");
2609 //netdev->dcbnl_ops = &dcbnl_ops;
2614 if (adapter
->flags
& IXGBE_FLAG_FCOE_CAPABLE
) {
2615 ixgbe_get_device_caps(hw
, &device_caps
);
2616 if (device_caps
& IXGBE_DEVICE_CAPS_FCOE_OFFLOADS
) {
2617 adapter
->flags
&= ~IXGBE_FLAG_FCOE_ENABLED
;
2618 adapter
->flags
&= ~IXGBE_FLAG_FCOE_CAPABLE
;
2619 e_info(probe
, "FCoE offload feature is not available. "
2620 "Disabling FCoE offload feature\n");
2622 #ifndef HAVE_NETDEV_OPS_FCOE_ENABLE
2624 adapter
->flags
|= IXGBE_FLAG_FCOE_ENABLED
;
2625 adapter
->ring_feature
[RING_F_FCOE
].indices
=
2627 netdev
->features
|= NETIF_F_FSO
|
2630 netdev
->fcoe_ddp_xid
= IXGBE_FCOE_DDP_MAX
- 1;
2632 #endif /* HAVE_NETDEV_OPS_FCOE_ENABLE */
2633 #ifdef HAVE_NETDEV_VLAN_FEATURES
2634 netdev
->vlan_features
|= NETIF_F_FSO
|
2637 #endif /* HAVE_NETDEV_VLAN_FEATURES */
2639 #endif /* NETIF_F_FSO */
2640 #endif /* IXGBE_FCOE */
2642 #endif /* MAX_SKB_FRAGS */
2643 /* make sure the EEPROM is good */
2644 if (hw
->eeprom
.ops
.validate_checksum
&&
2645 (hw
->eeprom
.ops
.validate_checksum(hw
, NULL
) < 0)) {
2646 e_dev_err("The EEPROM Checksum Is Not Valid\n");
2651 memcpy(netdev
->dev_addr
, hw
->mac
.perm_addr
, netdev
->addr_len
);
2652 #ifdef ETHTOOL_GPERMADDR
2653 memcpy(netdev
->perm_addr
, hw
->mac
.perm_addr
, netdev
->addr_len
);
2655 if (ixgbe_validate_mac_addr(netdev
->perm_addr
)) {
2656 e_dev_err("invalid MAC address\n");
2661 if (ixgbe_validate_mac_addr(netdev
->dev_addr
)) {
2662 e_dev_err("invalid MAC address\n");
2667 memcpy(&adapter
->mac_table
[0].addr
, hw
->mac
.perm_addr
,
2669 adapter
->mac_table
[0].queue
= adapter
->num_vfs
;
2670 adapter
->mac_table
[0].state
= (IXGBE_MAC_STATE_DEFAULT
|
2671 IXGBE_MAC_STATE_IN_USE
);
2672 hw
->mac
.ops
.set_rar(hw
, 0, adapter
->mac_table
[0].addr
,
2673 adapter
->mac_table
[0].queue
,
2676 //setup_timer(&adapter->service_timer, &ixgbe_service_timer,
2677 // (unsigned long) adapter);
2679 //INIT_WORK(&adapter->service_task, ixgbe_service_task);
2680 //clear_bit(__IXGBE_SERVICE_SCHED, &adapter->state);
2682 //err = ixgbe_init_interrupt_scheme(adapter);
2684 // goto err_sw_init;
2686 //adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED;
2687 ixgbe_set_num_queues(adapter
);
2690 /* WOL not supported for all but the following */
2691 switch (pdev
->device
) {
2692 case IXGBE_DEV_ID_82599_SFP
:
2693 /* Only these subdevice supports WOL */
2694 switch (pdev
->subsystem_device
) {
2695 case IXGBE_SUBDEV_ID_82599_560FLR
:
2696 /* only support first port */
2697 if (hw
->bus
.func
!= 0)
2699 case IXGBE_SUBDEV_ID_82599_SFP
:
2700 adapter
->wol
= IXGBE_WUFC_MAG
;
2704 case IXGBE_DEV_ID_82599_COMBO_BACKPLANE
:
2705 /* All except this subdevice support WOL */
2706 if (pdev
->subsystem_device
!= IXGBE_SUBDEV_ID_82599_KX4_KR_MEZZ
)
2707 adapter
->wol
= IXGBE_WUFC_MAG
;
2709 case IXGBE_DEV_ID_82599_KX4
:
2710 adapter
->wol
= IXGBE_WUFC_MAG
;
2712 case IXGBE_DEV_ID_X540T
:
2713 /* Check eeprom to see if it is enabled */
2714 ixgbe_read_eeprom(hw
, 0x2c, &adapter
->eeprom_cap
);
2715 wol_cap
= adapter
->eeprom_cap
& IXGBE_DEVICE_CAPS_WOL_MASK
;
2717 if ((wol_cap
== IXGBE_DEVICE_CAPS_WOL_PORT0_1
) ||
2718 ((wol_cap
== IXGBE_DEVICE_CAPS_WOL_PORT0
) &&
2719 (hw
->bus
.func
== 0)))
2720 adapter
->wol
= IXGBE_WUFC_MAG
;
2723 //device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
2727 * Save off EEPROM version number and Option Rom version which
2728 * together make a unique identify for the eeprom
2730 ixgbe_read_eeprom(hw
, 0x2e, &eeprom_verh
);
2731 ixgbe_read_eeprom(hw
, 0x2d, &eeprom_verl
);
2733 etrack_id
= (eeprom_verh
<< 16) | eeprom_verl
;
2735 ixgbe_read_eeprom(hw
, 0x17, &offset
);
2737 /* Make sure offset to SCSI block is valid */
2738 if (!(offset
== 0x0) && !(offset
== 0xffff)) {
2739 ixgbe_read_eeprom(hw
, offset
+ 0x84, &eeprom_cfg_blkh
);
2740 ixgbe_read_eeprom(hw
, offset
+ 0x83, &eeprom_cfg_blkl
);
2742 /* Only display Option Rom if exist */
2743 if (eeprom_cfg_blkl
&& eeprom_cfg_blkh
) {
2744 major
= eeprom_cfg_blkl
>> 8;
2745 build
= (eeprom_cfg_blkl
<< 8) | (eeprom_cfg_blkh
>> 8);
2746 patch
= eeprom_cfg_blkh
& 0x00ff;
2748 snprintf(adapter
->eeprom_id
, sizeof(adapter
->eeprom_id
),
2749 "0x%08x, %d.%d.%d", etrack_id
, major
, build
,
2752 snprintf(adapter
->eeprom_id
, sizeof(adapter
->eeprom_id
),
2753 "0x%08x", etrack_id
);
2756 snprintf(adapter
->eeprom_id
, sizeof(adapter
->eeprom_id
),
2757 "0x%08x", etrack_id
);
2760 /* reset the hardware with the new settings */
2761 err
= hw
->mac
.ops
.start_hw(hw
);
2762 if (err
== IXGBE_ERR_EEPROM_VERSION
) {
2763 /* We are running on a pre-production device, log a warning */
2764 e_dev_warn("This device is a pre-production adapter/LOM. "
2765 "Please be aware there may be issues associated "
2766 "with your hardware. If you are experiencing "
2767 "problems please contact your Intel or hardware "
2768 "representative who provided you with this "
2771 /* pick up the PCI bus settings for reporting later */
2772 if (hw
->mac
.ops
.get_bus_info
)
2773 hw
->mac
.ops
.get_bus_info(hw
);
2775 strlcpy(netdev
->name
, "eth%d", sizeof(netdev
->name
));
2778 adapter
->netdev_registered
= true;
2780 /* power down the optics */
2781 if ((hw
->phy
.multispeed_fiber
) ||
2782 ((hw
->mac
.ops
.get_media_type(hw
) == ixgbe_media_type_fiber
) &&
2783 (hw
->mac
.type
== ixgbe_mac_82599EB
)))
2784 ixgbe_disable_tx_laser(hw
);
2786 /* carrier off reporting is important to ethtool even BEFORE open */
2787 netif_carrier_off(netdev
);
2788 /* keep stopping all the transmit queues for older kernels */
2789 netif_tx_stop_all_queues(netdev
);
2792 /* print all messages at the end so that we use our eth%d name */
2793 /* print bus type/speed/width info */
2794 e_dev_info("(PCI Express:%s:%s) ",
2795 (hw
->bus
.speed
== ixgbe_bus_speed_5000
? "5.0GT/s" :
2796 hw
->bus
.speed
== ixgbe_bus_speed_2500
? "2.5GT/s" :
2798 (hw
->bus
.width
== ixgbe_bus_width_pcie_x8
? "Width x8" :
2799 hw
->bus
.width
== ixgbe_bus_width_pcie_x4
? "Width x4" :
2800 hw
->bus
.width
== ixgbe_bus_width_pcie_x1
? "Width x1" :
2803 /* print the MAC address */
2804 for (i
= 0; i
< 6; i
++)
2805 pr_cont("%2.2x%c", netdev
->dev_addr
[i
], i
== 5 ? '\n' : ':');
2807 /* First try to read PBA as a string */
2808 err
= ixgbe_read_pba_string(hw
, part_str
, IXGBE_PBANUM_LENGTH
);
2810 strlcpy(part_str
, "Unknown", sizeof(part_str
));
2811 if (ixgbe_is_sfp(hw
) && hw
->phy
.sfp_type
!= ixgbe_sfp_type_not_present
)
2812 e_info(probe
, "MAC: %d, PHY: %d, SFP+: %d, PBA No: %s\n",
2813 hw
->mac
.type
, hw
->phy
.type
, hw
->phy
.sfp_type
, part_str
);
2815 e_info(probe
, "MAC: %d, PHY: %d, PBA No: %s\n",
2816 hw
->mac
.type
, hw
->phy
.type
, part_str
);
2818 if (((hw
->bus
.speed
== ixgbe_bus_speed_2500
) &&
2819 (hw
->bus
.width
<= ixgbe_bus_width_pcie_x4
)) ||
2820 (hw
->bus
.width
<= ixgbe_bus_width_pcie_x2
)) {
2821 e_dev_warn("PCI-Express bandwidth available for this "
2822 "card is not sufficient for optimal "
2824 e_dev_warn("For optimal performance a x8 PCI-Express "
2825 "slot is required.\n");
2828 #define INFO_STRING_LEN 255
2829 info_string
= kzalloc(INFO_STRING_LEN
, GFP_KERNEL
);
2831 e_err(probe
, "allocation for info string failed\n");
2832 goto no_info_string
;
2835 i_s_var
= info_string
;
2836 count
+= snprintf(i_s_var
, INFO_STRING_LEN
, "Enabled Features: ");
2838 i_s_var
= info_string
+ count
;
2839 count
+= snprintf(i_s_var
, (INFO_STRING_LEN
- count
),
2840 "RxQ: %d TxQ: %d ", adapter
->num_rx_queues
,
2841 adapter
->num_tx_queues
);
2842 i_s_var
= info_string
+ count
;
2844 if (adapter
->flags
& IXGBE_FLAG_FCOE_ENABLED
) {
2845 count
+= snprintf(i_s_var
, INFO_STRING_LEN
- count
, "FCoE ");
2846 i_s_var
= info_string
+ count
;
2849 if (adapter
->flags
& IXGBE_FLAG_FDIR_HASH_CAPABLE
) {
2850 count
+= snprintf(i_s_var
, INFO_STRING_LEN
- count
,
2852 i_s_var
= info_string
+ count
;
2854 if (adapter
->flags
& IXGBE_FLAG_FDIR_PERFECT_CAPABLE
) {
2855 count
+= snprintf(i_s_var
, INFO_STRING_LEN
- count
,
2857 i_s_var
= info_string
+ count
;
2859 if (adapter
->flags
& IXGBE_FLAG_DCB_ENABLED
) {
2860 count
+= snprintf(i_s_var
, INFO_STRING_LEN
- count
, "DCB ");
2861 i_s_var
= info_string
+ count
;
2863 if (adapter
->flags
& IXGBE_FLAG_RSS_ENABLED
) {
2864 count
+= snprintf(i_s_var
, INFO_STRING_LEN
- count
, "RSS ");
2865 i_s_var
= info_string
+ count
;
2867 if (adapter
->flags
& IXGBE_FLAG_DCA_ENABLED
) {
2868 count
+= snprintf(i_s_var
, INFO_STRING_LEN
- count
, "DCA ");
2869 i_s_var
= info_string
+ count
;
2871 if (adapter
->flags2
& IXGBE_FLAG2_RSC_ENABLED
) {
2872 count
+= snprintf(i_s_var
, INFO_STRING_LEN
- count
, "RSC ");
2873 i_s_var
= info_string
+ count
;
2875 #ifndef IXGBE_NO_LRO
2876 else if (netdev
->features
& NETIF_F_LRO
) {
2877 count
+= snprintf(i_s_var
, INFO_STRING_LEN
- count
, "LRO ");
2878 i_s_var
= info_string
+ count
;
2882 BUG_ON(i_s_var
> (info_string
+ INFO_STRING_LEN
));
2883 /* end features printing */
2884 e_info(probe
, "%s\n", info_string
);
2888 /* firmware requires blank driver version */
2889 ixgbe_set_fw_drv_ver(hw
, 0xFF, 0xFF, 0xFF, 0xFF);
2891 #if defined(HAVE_NETDEV_STORAGE_ADDRESS) && defined(NETDEV_HW_ADDR_T_SAN)
2892 /* add san mac addr to netdev */
2893 //ixgbe_add_sanmac_netdev(netdev);
2895 #endif /* (HAVE_NETDEV_STORAGE_ADDRESS) && (NETDEV_HW_ADDR_T_SAN) */
2896 e_info(probe
, "Intel(R) 10 Gigabit Network Connection\n");
2900 //if (ixgbe_sysfs_init(adapter))
2901 // e_err(probe, "failed to allocate sysfs resources\n");
2904 //if (ixgbe_procfs_init(adapter))
2905 // e_err(probe, "failed to allocate procfs resources\n");
2906 #endif /* IXGBE_PROCFS */
2907 #endif /* IXGBE_SYSFS */
2912 //ixgbe_clear_interrupt_scheme(adapter);
2913 //ixgbe_release_hw_control(adapter);
2915 adapter
->flags2
&= ~IXGBE_FLAG2_SEARCH_FOR_SFP
;
2916 if (adapter
->mac_table
)
2917 kfree(adapter
->mac_table
);
2918 iounmap(hw
->hw_addr
);
2920 free_netdev(netdev
);
2922 //pci_release_selected_regions(pdev,
2923 // pci_select_bars(pdev, IORESOURCE_MEM));
2926 pci_disable_device(pdev
);
2931 * ixgbe_remove - Device Removal Routine
2932 * @pdev: PCI device information struct
2934 * ixgbe_remove is called by the PCI subsystem to alert the driver
2935 * that it should release a PCI device. The could be caused by a
2936 * Hot-Plug event, or because the driver is going to be removed from
2939 void ixgbe_kni_remove(struct pci_dev
*pdev
)
2941 pci_disable_device(pdev
);
2945 u16
ixgbe_read_pci_cfg_word(struct ixgbe_hw
*hw
, u32 reg
)
2948 struct ixgbe_adapter
*adapter
= hw
->back
;
2950 pci_read_config_word(adapter
->pdev
, reg
, &value
);
2954 void ixgbe_write_pci_cfg_word(struct ixgbe_hw
*hw
, u32 reg
, u16 value
)
2956 struct ixgbe_adapter
*adapter
= hw
->back
;
2958 pci_write_config_word(adapter
->pdev
, reg
, value
);
2961 void ewarn(struct ixgbe_hw
*hw
, const char *st
, u32 status
)
2963 struct ixgbe_adapter
*adapter
= hw
->back
;
2965 netif_warn(adapter
, drv
, adapter
->netdev
, "%s", st
);