iPXE
intelx.c File Reference

Intel 10 Gigabit Ethernet network card driver. More...

#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <byteswap.h>
#include <ipxe/netdevice.h>
#include <ipxe/ethernet.h>
#include <ipxe/if_ether.h>
#include <ipxe/iobuf.h>
#include <ipxe/pci.h>
#include "intelx.h"

Go to the source code of this file.

Functions

 FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
 FILE_SECBOOT (PERMITTED)
static int intelx_try_fetch_mac (struct intel_nic *intel, unsigned int ral0, uint8_t *hw_addr)
 Try to fetch initial MAC address.
static int intelx_fetch_mac (struct intel_nic *intel, uint8_t *hw_addr)
 Fetch initial MAC address.
static int intelx_reset (struct intel_nic *intel)
 Reset hardware.
static void intelx_check_link (struct net_device *netdev)
 Check link state.
static int intelx_open (struct net_device *netdev)
 Open network device.
static void intelx_close (struct net_device *netdev)
 Close network device.
static void intelx_poll (struct net_device *netdev)
 Poll for completed and received packets.
static void intelx_irq (struct net_device *netdev, int enable)
 Enable or disable interrupts.
static int intelx_probe (struct pci_device *pci)
 Probe PCI device.
static void intelx_remove (struct pci_device *pci)
 Remove PCI device.

Variables

static struct net_device_operations intelx_operations
 Network device operations.
static struct pci_device_id intelx_nics []
 PCI device IDs.
struct pci_driver intelx_driver __pci_driver
 PCI driver.

Detailed Description

Intel 10 Gigabit Ethernet network card driver.

Definition in file intelx.c.

Function Documentation

◆ FILE_LICENCE()

FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL )

◆ FILE_SECBOOT()

FILE_SECBOOT ( PERMITTED )

◆ intelx_try_fetch_mac()

int intelx_try_fetch_mac ( struct intel_nic * intel,
unsigned int ral0,
uint8_t * hw_addr )
static

Try to fetch initial MAC address.

Parameters
intelIntel device
ral0RAL0 register address
hw_addrHardware address to fill in
Return values
rcReturn status code

Definition at line 60 of file intelx.c.

61 {
63
64 /* Read current address from RAL0/RAH0 */
65 mac.reg.low = cpu_to_le32 ( readl ( intel->regs + ral0 ) );
66 mac.reg.high = cpu_to_le32 ( readl ( intel->regs + ral0 +
67 ( INTELX_RAH0 - INTELX_RAL0 ) ) );
68
69 /* Use current address if valid */
70 if ( is_valid_ether_addr ( mac.raw ) ) {
71 DBGC ( intel, "INTEL %p has autoloaded MAC address %s at "
72 "%#05x\n", intel, eth_ntoa ( mac.raw ), ral0 );
73 memcpy ( hw_addr, mac.raw, ETH_ALEN );
74 return 0;
75 }
76
77 return -ENOENT;
78}
uint8_t mac[ETH_ALEN]
MAC address.
Definition ena.h:13
const char * eth_ntoa(const void *ll_addr)
Transcribe Ethernet address.
Definition ethernet.c:176
static int is_valid_ether_addr(const void *addr)
Check if Ethernet address is valid.
Definition ethernet.h:78
#define DBGC(...)
Definition compiler.h:505
#define ENOENT
No such file or directory.
Definition errno.h:515
#define ETH_ALEN
Definition if_ether.h:9
#define cpu_to_le32(value)
Definition byteswap.h:108
void * memcpy(void *dest, const void *src, size_t len) __nonnull
#define INTELX_RAL0
Receive Address Low.
Definition intelx.h:64
#define INTELX_RAH0
Receive Address High.
Definition intelx.h:68
void * regs
Registers.
Definition intel.h:291
Receive address.
Definition intel.h:213
#define readl
Definition w89c840.c:157

References cpu_to_le32, DBGC, ENOENT, ETH_ALEN, eth_ntoa(), INTELX_RAH0, INTELX_RAL0, is_valid_ether_addr(), mac, memcpy(), readl, and intel_nic::regs.

Referenced by intelx_fetch_mac().

◆ intelx_fetch_mac()

int intelx_fetch_mac ( struct intel_nic * intel,
uint8_t * hw_addr )
static

Fetch initial MAC address.

Parameters
intelIntel device
hw_addrHardware address to fill in
Return values
rcReturn status code

Definition at line 87 of file intelx.c.

87 {
88 int rc;
89
90 /* Try to fetch address from INTELX_RAL0 */
91 if ( ( rc = intelx_try_fetch_mac ( intel, INTELX_RAL0,
92 hw_addr ) ) == 0 ) {
93 return 0;
94 }
95
96 /* Try to fetch address from INTELX_RAL0_ALT */
97 if ( ( rc = intelx_try_fetch_mac ( intel, INTELX_RAL0_ALT,
98 hw_addr ) ) == 0 ) {
99 return 0;
100 }
101
102 DBGC ( intel, "INTEL %p has no MAC address to use\n", intel );
103 return -ENOENT;
104}
struct arbelprm_rc_send_wqe rc
Definition arbel.h:3
static int intelx_try_fetch_mac(struct intel_nic *intel, unsigned int ral0, uint8_t *hw_addr)
Try to fetch initial MAC address.
Definition intelx.c:60
#define INTELX_RAL0_ALT
Definition intelx.h:65

References DBGC, ENOENT, INTELX_RAL0, INTELX_RAL0_ALT, intelx_try_fetch_mac(), and rc.

Referenced by intelx_probe().

◆ intelx_reset()

int intelx_reset ( struct intel_nic * intel)
static

Reset hardware.

Parameters
intelIntel device
Return values
rcReturn status code

Definition at line 119 of file intelx.c.

119 {
121
122 /* Perform a global software reset */
123 ctrl = readl ( intel->regs + INTELX_CTRL );
125 intel->regs + INTELX_CTRL );
127
128 DBGC ( intel, "INTEL %p reset (ctrl %08x)\n", intel, ctrl );
129 return 0;
130}
unsigned int uint32_t
Definition stdint.h:12
uint8_t ctrl
Ring control.
Definition dwmac.h:7
#define INTELX_CTRL_LRST
Link reset.
Definition intelx.h:19
#define INTELX_CTRL
Device Control Register.
Definition intelx.h:18
#define INTELX_CTRL_RST
Device reset.
Definition intelx.h:20
#define INTELX_RESET_DELAY_MS
Time to delay for device reset, in milliseconds.
Definition intelx.h:23
void mdelay(unsigned long msecs)
Delay for a fixed number of milliseconds.
Definition timer.c:79
#define writel
Definition w89c840.c:160

References ctrl, DBGC, INTELX_CTRL, INTELX_CTRL_LRST, INTELX_CTRL_RST, INTELX_RESET_DELAY_MS, mdelay(), readl, intel_nic::regs, and writel.

Referenced by intelx_close(), intelx_probe(), and intelx_remove().

◆ intelx_check_link()

void intelx_check_link ( struct net_device * netdev)
static

Check link state.

Parameters
netdevNetwork device

Definition at line 144 of file intelx.c.

144 {
145 struct intel_nic *intel = netdev->priv;
146 uint32_t links;
147
148 /* Read link status */
149 links = readl ( intel->regs + INTELX_LINKS );
150 DBGC ( intel, "INTEL %p link status is %08x\n", intel, links );
151
152 /* Update network device */
153 if ( links & INTELX_LINKS_UP ) {
155 } else {
157 }
158}
static struct net_device * netdev
Definition gdbudp.c:53
#define INTELX_LINKS
Link Status Register.
Definition intelx.h:115
#define INTELX_LINKS_UP
Link up.
Definition intelx.h:116
void netdev_link_down(struct net_device *netdev)
Mark network device as having link down.
Definition netdevice.c:231
static void netdev_link_up(struct net_device *netdev)
Mark network device as having link up.
Definition netdevice.h:789
An Intel network card.
Definition intel.h:289

References DBGC, INTELX_LINKS, INTELX_LINKS_UP, netdev, netdev_link_down(), netdev_link_up(), readl, and intel_nic::regs.

Referenced by intelx_open(), intelx_poll(), and intelx_probe().

◆ intelx_open()

int intelx_open ( struct net_device * netdev)
static

Open network device.

Parameters
netdevNetwork device
Return values
rcReturn status code

Definition at line 173 of file intelx.c.

173 {
174 struct intel_nic *intel = netdev->priv;
176 uint32_t ral0;
177 uint32_t rah0;
178 uint32_t dmatxctl;
179 uint32_t fctrl;
180 uint32_t srrctl;
181 uint32_t hlreg0;
182 uint32_t maxfrs;
183 uint32_t rdrxctl;
184 uint32_t rxctrl;
185 uint32_t dca_rxctrl;
186 int rc;
187
188 /* Create transmit descriptor ring */
189 if ( ( rc = intel_create_ring ( intel, &intel->tx ) ) != 0 )
190 goto err_create_tx;
191
192 /* Create receive descriptor ring */
193 if ( ( rc = intel_create_ring ( intel, &intel->rx ) ) != 0 )
194 goto err_create_rx;
195
196 /* Program MAC address */
197 memset ( &mac, 0, sizeof ( mac ) );
198 memcpy ( mac.raw, netdev->ll_addr, sizeof ( mac.raw ) );
199 ral0 = le32_to_cpu ( mac.reg.low );
200 rah0 = ( le32_to_cpu ( mac.reg.high ) | INTELX_RAH0_AV );
201 writel ( ral0, intel->regs + INTELX_RAL0 );
202 writel ( rah0, intel->regs + INTELX_RAH0 );
203 writel ( ral0, intel->regs + INTELX_RAL0_ALT );
204 writel ( rah0, intel->regs + INTELX_RAH0_ALT );
205
206 /* Allocate interrupt vectors */
209 intel->regs + INTELX_IVAR );
210
211 /* Enable transmitter */
212 dmatxctl = readl ( intel->regs + INTELX_DMATXCTL );
213 dmatxctl |= INTELX_DMATXCTL_TE;
214 writel ( dmatxctl, intel->regs + INTELX_DMATXCTL );
215
216 /* Configure receive filter */
217 fctrl = readl ( intel->regs + INTELX_FCTRL );
219 writel ( fctrl, intel->regs + INTELX_FCTRL );
220
221 /* Configure receive buffer sizes */
222 srrctl = readl ( intel->regs + INTELX_SRRCTL );
225 writel ( srrctl, intel->regs + INTELX_SRRCTL );
226
227 /* Configure jumbo frames. Required to allow the extra 4-byte
228 * headroom for VLANs, since we don't use the hardware's
229 * native VLAN offload.
230 */
231 hlreg0 = readl ( intel->regs + INTELX_HLREG0 );
232 hlreg0 |= INTELX_HLREG0_JUMBOEN;
233 writel ( hlreg0, intel->regs + INTELX_HLREG0 );
234
235 /* Configure frame size */
236 maxfrs = readl ( intel->regs + INTELX_MAXFRS );
237 maxfrs &= ~INTELX_MAXFRS_MFS_MASK;
239 writel ( maxfrs, intel->regs + INTELX_MAXFRS );
240
241 /* Configure receive DMA */
242 rdrxctl = readl ( intel->regs + INTELX_RDRXCTL );
243 rdrxctl |= INTELX_RDRXCTL_SECRC;
244 writel ( rdrxctl, intel->regs + INTELX_RDRXCTL );
245
246 /* Clear "must-be-zero" bit for direct cache access (DCA). We
247 * leave DCA disabled anyway, but if we do not clear this bit
248 * then the received packets contain garbage data.
249 */
250 dca_rxctrl = readl ( intel->regs + INTELX_DCA_RXCTRL );
252 writel ( dca_rxctrl, intel->regs + INTELX_DCA_RXCTRL );
253
254 /* Enable receiver */
255 rxctrl = readl ( intel->regs + INTELX_RXCTRL );
256 rxctrl |= INTELX_RXCTRL_RXEN;
257 writel ( rxctrl, intel->regs + INTELX_RXCTRL );
258
259 /* Fill receive ring */
260 intel_refill_rx ( intel );
261
262 /* Update link state */
264
265 return 0;
266
267 intel_destroy_ring ( intel, &intel->rx );
268 err_create_rx:
269 intel_destroy_ring ( intel, &intel->tx );
270 err_create_tx:
271 return rc;
272}
#define le32_to_cpu(value)
Definition byteswap.h:114
void * memset(void *dest, int character, size_t len) __nonnull
int intel_create_ring(struct intel_nic *intel, struct intel_ring *ring)
Create descriptor ring.
Definition intel.c:512
void intel_destroy_ring(struct intel_nic *intel, struct intel_ring *ring)
Destroy descriptor ring.
Definition intel.c:564
void intel_refill_rx(struct intel_nic *intel)
Refill receive descriptor ring.
Definition intel.c:581
static void intelx_check_link(struct net_device *netdev)
Check link state.
Definition intelx.c:144
#define INTELX_IVAR_RX0_DEFAULT
Definition intelx.h:41
#define INTELX_RAH0_AV
Address valid.
Definition intelx.h:70
#define INTELX_MAXFRS_MFS_MASK
Definition intelx.h:112
#define INTELX_DCA_RXCTRL
RX DCA Control Register.
Definition intelx.h:100
#define INTELX_MAXFRS
Maximum Frame Size Register.
Definition intelx.h:108
#define INTELX_DCA_RXCTRL_MUST_BE_ZERO
Must be zero.
Definition intelx.h:101
#define INTELX_FCTRL_BAM
Broadcast accept mode.
Definition intelx.h:53
#define INTELX_HLREG0_JUMBOEN
Jumbo frame enable.
Definition intelx.h:105
#define INTELX_RAH0_ALT
Definition intelx.h:69
#define INTELX_SRRCTL_BSIZE_MASK
Definition intelx.h:82
#define INTELX_IVAR_TX0_DEFAULT
Definition intelx.h:45
#define INTELX_RXCTRL_RXEN
Receive enable.
Definition intelx.h:90
#define INTELX_RDRXCTL_SECRC
Strip CRC.
Definition intelx.h:86
#define INTELX_FCTRL
Receive Filter Control Register.
Definition intelx.h:50
#define INTELX_DMATXCTL
Transmit DMA Control Register.
Definition intelx.h:93
#define INTELX_SRRCTL_BSIZE_DEFAULT
Definition intelx.h:81
#define INTELX_IVAR_TX0_VALID
TX queue 0 valid.
Definition intelx.h:47
#define INTELX_HLREG0
MAC Core Control 0 Register.
Definition intelx.h:104
#define INTELX_IVAR
Interrupt Vector Allocation Register.
Definition intelx.h:39
#define INTELX_FCTRL_UPE
Unicast promiscuous mode.
Definition intelx.h:52
#define INTELX_SRRCTL
Split Receive Control Register.
Definition intelx.h:79
#define INTELX_RDRXCTL
Receive DMA Control Register.
Definition intelx.h:85
#define INTELX_FCTRL_MPE
Multicast promiscuous.
Definition intelx.h:51
#define INTELX_DMATXCTL_TE
Transmit enable.
Definition intelx.h:94
#define INTELX_IVAR_RX0_VALID
RX queue 0 valid.
Definition intelx.h:43
#define INTELX_MAXFRS_MFS_DEFAULT
Definition intelx.h:110
#define INTELX_RXCTRL
Receive Control Register.
Definition intelx.h:89
struct intel_ring tx
Transmit descriptor ring.
Definition intel.h:312
struct intel_ring rx
Receive descriptor ring.
Definition intel.h:314

References intel_create_ring(), intel_destroy_ring(), intel_refill_rx(), intelx_check_link(), INTELX_DCA_RXCTRL, INTELX_DCA_RXCTRL_MUST_BE_ZERO, INTELX_DMATXCTL, INTELX_DMATXCTL_TE, INTELX_FCTRL, INTELX_FCTRL_BAM, INTELX_FCTRL_MPE, INTELX_FCTRL_UPE, INTELX_HLREG0, INTELX_HLREG0_JUMBOEN, INTELX_IVAR, INTELX_IVAR_RX0_DEFAULT, INTELX_IVAR_RX0_VALID, INTELX_IVAR_TX0_DEFAULT, INTELX_IVAR_TX0_VALID, INTELX_MAXFRS, INTELX_MAXFRS_MFS_DEFAULT, INTELX_MAXFRS_MFS_MASK, INTELX_RAH0, INTELX_RAH0_ALT, INTELX_RAH0_AV, INTELX_RAL0, INTELX_RAL0_ALT, INTELX_RDRXCTL, INTELX_RDRXCTL_SECRC, INTELX_RXCTRL, INTELX_RXCTRL_RXEN, INTELX_SRRCTL, INTELX_SRRCTL_BSIZE_DEFAULT, INTELX_SRRCTL_BSIZE_MASK, le32_to_cpu, mac, memcpy(), memset(), netdev, rc, readl, intel_nic::regs, intel_nic::rx, intel_nic::tx, and writel.

◆ intelx_close()

void intelx_close ( struct net_device * netdev)
static

Close network device.

Parameters
netdevNetwork device

Definition at line 279 of file intelx.c.

279 {
280 struct intel_nic *intel = netdev->priv;
281 uint32_t rxctrl;
282 uint32_t dmatxctl;
283
284 /* Disable receiver */
285 rxctrl = readl ( intel->regs + INTELX_RXCTRL );
286 rxctrl &= ~INTELX_RXCTRL_RXEN;
287 writel ( rxctrl, intel->regs + INTELX_RXCTRL );
288
289 /* Disable transmitter */
290 dmatxctl = readl ( intel->regs + INTELX_DMATXCTL );
291 dmatxctl &= ~INTELX_DMATXCTL_TE;
292 writel ( dmatxctl, intel->regs + INTELX_DMATXCTL );
293
294 /* Destroy receive descriptor ring */
295 intel_destroy_ring ( intel, &intel->rx );
296
297 /* Discard any unused receive buffers */
298 intel_empty_rx ( intel );
299
300 /* Destroy transmit descriptor ring */
301 intel_destroy_ring ( intel, &intel->tx );
302
303 /* Reset the NIC, to flush the transmit and receive FIFOs */
304 intelx_reset ( intel );
305}
void intel_empty_rx(struct intel_nic *intel)
Discard unused receive I/O buffers.
Definition intel.c:631
static int intelx_reset(struct intel_nic *intel)
Reset hardware.
Definition intelx.c:119

References intel_destroy_ring(), intel_empty_rx(), INTELX_DMATXCTL, INTELX_DMATXCTL_TE, intelx_reset(), INTELX_RXCTRL, INTELX_RXCTRL_RXEN, netdev, readl, intel_nic::regs, intel_nic::rx, intel_nic::tx, and writel.

◆ intelx_poll()

void intelx_poll ( struct net_device * netdev)
static

Poll for completed and received packets.

Parameters
netdevNetwork device

Definition at line 312 of file intelx.c.

312 {
313 struct intel_nic *intel = netdev->priv;
314 uint32_t eicr;
315
316 /* Check for and acknowledge interrupts */
317 eicr = readl ( intel->regs + INTELX_EICR );
318 if ( ! eicr )
319 return;
320
321 /* Poll for TX completions, if applicable */
322 if ( eicr & INTELX_EIRQ_TX0 )
324
325 /* Poll for RX completions, if applicable */
326 if ( eicr & ( INTELX_EIRQ_RX0 | INTELX_EIRQ_RXO ) )
328
329 /* Report receive overruns */
330 if ( eicr & INTELX_EIRQ_RXO )
332
333 /* Check link state, if applicable */
334 if ( eicr & INTELX_EIRQ_LSC )
336
337 /* Refill RX ring */
338 intel_refill_rx ( intel );
339}
#define NULL
NULL pointer (VOID *)
Definition Base.h:322
#define ENOBUFS
No buffer space available.
Definition errno.h:499
void intel_poll_rx(struct net_device *netdev)
Poll for received packets.
Definition intel.c:821
void intel_poll_tx(struct net_device *netdev)
Poll for completed packets.
Definition intel.c:792
#define INTELX_EIRQ_RX0
RX0 (via IVAR)
Definition intelx.h:27
#define INTELX_EIRQ_LSC
Link status change.
Definition intelx.h:30
#define INTELX_EICR
Extended Interrupt Cause Read Register.
Definition intelx.h:26
#define INTELX_EIRQ_RXO
Receive overrun.
Definition intelx.h:29
#define INTELX_EIRQ_TX0
RX0 (via IVAR)
Definition intelx.h:28
void netdev_rx_err(struct net_device *netdev, struct io_buffer *iobuf, int rc)
Discard received packet.
Definition netdevice.c:587

References ENOBUFS, intel_poll_rx(), intel_poll_tx(), intel_refill_rx(), intelx_check_link(), INTELX_EICR, INTELX_EIRQ_LSC, INTELX_EIRQ_RX0, INTELX_EIRQ_RXO, INTELX_EIRQ_TX0, netdev, netdev_rx_err(), NULL, readl, and intel_nic::regs.

◆ intelx_irq()

void intelx_irq ( struct net_device * netdev,
int enable )
static

Enable or disable interrupts.

Parameters
netdevNetwork device
enableInterrupts should be enabled

Definition at line 347 of file intelx.c.

347 {
348 struct intel_nic *intel = netdev->priv;
349 uint32_t mask;
350
353 if ( enable ) {
354 writel ( mask, intel->regs + INTELX_EIMS );
355 } else {
356 writel ( mask, intel->regs + INTELX_EIMC );
357 }
358}
#define INTELX_EIMC
Interrupt Mask Clear Register.
Definition intelx.h:36
#define INTELX_EIMS
Interrupt Mask Set/Read Register.
Definition intelx.h:33

References INTELX_EIMC, INTELX_EIMS, INTELX_EIRQ_LSC, INTELX_EIRQ_RX0, INTELX_EIRQ_RXO, INTELX_EIRQ_TX0, netdev, intel_nic::regs, and writel.

◆ intelx_probe()

int intelx_probe ( struct pci_device * pci)
static

Probe PCI device.

Parameters
pciPCI device
Return values
rcReturn status code

Definition at line 382 of file intelx.c.

382 {
383 struct net_device *netdev;
384 struct intel_nic *intel;
385 int rc;
386
387 /* Allocate and initialise net device */
388 netdev = alloc_etherdev ( sizeof ( *intel ) );
389 if ( ! netdev ) {
390 rc = -ENOMEM;
391 goto err_alloc;
392 }
394 intel = netdev->priv;
395 pci_set_drvdata ( pci, netdev );
396 netdev->dev = &pci->dev;
397 memset ( intel, 0, sizeof ( *intel ) );
398 intel->port = PCI_FUNC ( pci->busdevfn );
403
404 /* Fix up PCI device */
405 adjust_pci_device ( pci );
406
407 /* Map registers */
408 intel->regs = pci_ioremap ( pci, pci->membase, INTEL_BAR_SIZE );
409 if ( ! intel->regs ) {
410 rc = -ENODEV;
411 goto err_ioremap;
412 }
413
414 /* Configure DMA */
415 intel->dma = &pci->dma;
416 dma_set_mask_64bit ( intel->dma );
417 netdev->dma = intel->dma;
418
419 /* Reset the NIC */
420 if ( ( rc = intelx_reset ( intel ) ) != 0 )
421 goto err_reset;
422
423 /* Fetch MAC address */
424 if ( ( rc = intelx_fetch_mac ( intel, netdev->hw_addr ) ) != 0 )
425 goto err_fetch_mac;
426
427 /* Register network device */
428 if ( ( rc = register_netdev ( netdev ) ) != 0 )
429 goto err_register_netdev;
430
431 /* Set initial link state */
433
434 return 0;
435
437 err_register_netdev:
438 err_fetch_mac:
439 intelx_reset ( intel );
440 err_reset:
441 iounmap ( intel->regs );
442 err_ioremap:
444 netdev_put ( netdev );
445 err_alloc:
446 return rc;
447}
struct net_device * alloc_etherdev(size_t priv_size)
Allocate Ethernet device.
Definition ethernet.c:265
#define ENOMEM
Not enough space.
Definition errno.h:535
#define ENODEV
No such device.
Definition errno.h:510
void iounmap(volatile const void *io_addr)
Unmap I/O address.
void * pci_ioremap(struct pci_device *pci, unsigned long bus_addr, size_t len)
Map PCI bus address as an I/O address.
void intel_describe_rx(struct intel_descriptor *rx, physaddr_t addr, size_t len __unused)
Populate receive descriptor.
Definition intel.c:434
void intel_describe_tx(struct intel_descriptor *tx, physaddr_t addr, size_t len)
Populate transmit descriptor.
Definition intel.c:396
static void intel_init_ring(struct intel_ring *ring, unsigned int count, unsigned int reg, void(*describe)(struct intel_descriptor *desc, physaddr_t addr, size_t len))
Initialise descriptor ring.
Definition intel.h:256
#define INTEL_NUM_TX_DESC
Number of transmit descriptors.
Definition intel.h:174
#define INTEL_NUM_RX_DESC
Number of receive descriptors.
Definition intel.h:154
#define INTEL_BAR_SIZE
Intel BAR size.
Definition intel.h:19
static struct net_device_operations intelx_operations
Network device operations.
Definition intelx.c:361
static int intelx_fetch_mac(struct intel_nic *intel, uint8_t *hw_addr)
Fetch initial MAC address.
Definition intelx.c:87
#define INTELX_RD
Receive Descriptor register block.
Definition intelx.h:73
#define INTELX_TD
Transmit Descriptor register block.
Definition intelx.h:97
static __always_inline void dma_set_mask_64bit(struct dma_device *dma)
Set 64-bit addressable space mask.
Definition dma.h:467
void unregister_netdev(struct net_device *netdev)
Unregister network device.
Definition netdevice.c:942
int register_netdev(struct net_device *netdev)
Register network device.
Definition netdevice.c:760
static void netdev_init(struct net_device *netdev, struct net_device_operations *op)
Initialise a network device.
Definition netdevice.h:519
static void netdev_nullify(struct net_device *netdev)
Stop using a network device.
Definition netdevice.h:532
static void netdev_put(struct net_device *netdev)
Drop reference to network device.
Definition netdevice.h:576
void adjust_pci_device(struct pci_device *pci)
Enable PCI device.
Definition pci.c:241
#define PCI_FUNC(busdevfn)
Definition pci.h:286
static void pci_set_drvdata(struct pci_device *pci, void *priv)
Set PCI driver-private data.
Definition pci.h:366
unsigned int port
Port number (for multi-port devices)
Definition intel.h:295
struct dma_device * dma
DMA device.
Definition intel.h:293
A network device.
Definition netdevice.h:353
uint32_t busdevfn
Segment, bus, device, and function (bus:dev.fn) number.
Definition pci.h:238
unsigned long membase
Memory base.
Definition pci.h:220
struct device dev
Generic device.
Definition pci.h:213
struct dma_device dma
DMA device.
Definition pci.h:215

References adjust_pci_device(), alloc_etherdev(), pci_device::busdevfn, pci_device::dev, intel_nic::dma, pci_device::dma, dma_set_mask_64bit(), ENODEV, ENOMEM, INTEL_BAR_SIZE, intel_describe_rx(), intel_describe_tx(), intel_init_ring(), INTEL_NUM_RX_DESC, INTEL_NUM_TX_DESC, intelx_check_link(), intelx_fetch_mac(), intelx_operations, INTELX_RD, intelx_reset(), INTELX_TD, iounmap(), pci_device::membase, memset(), netdev, netdev_init(), netdev_nullify(), netdev_put(), PCI_FUNC, pci_ioremap(), pci_set_drvdata(), intel_nic::port, rc, register_netdev(), intel_nic::regs, intel_nic::rx, intel_nic::tx, and unregister_netdev().

◆ intelx_remove()

void intelx_remove ( struct pci_device * pci)
static

Remove PCI device.

Parameters
pciPCI device

Definition at line 454 of file intelx.c.

454 {
455 struct net_device *netdev = pci_get_drvdata ( pci );
456 struct intel_nic *intel = netdev->priv;
457
458 /* Unregister network device */
460
461 /* Reset the NIC */
462 intelx_reset ( intel );
463
464 /* Free network device */
465 iounmap ( intel->regs );
467 netdev_put ( netdev );
468}
static void * pci_get_drvdata(struct pci_device *pci)
Get PCI driver-private data.
Definition pci.h:376

References intelx_reset(), iounmap(), netdev, netdev_nullify(), netdev_put(), pci_get_drvdata(), intel_nic::regs, and unregister_netdev().

Variable Documentation

◆ intelx_operations

struct net_device_operations intelx_operations
static
Initial value:
= {
.open = intelx_open,
.close = intelx_close,
.transmit = intel_transmit,
.poll = intelx_poll,
.irq = intelx_irq,
}
int intel_transmit(struct net_device *netdev, struct io_buffer *iobuf)
Transmit packet.
Definition intel.c:753
static void intelx_irq(struct net_device *netdev, int enable)
Enable or disable interrupts.
Definition intelx.c:347
static void intelx_poll(struct net_device *netdev)
Poll for completed and received packets.
Definition intelx.c:312
static void intelx_close(struct net_device *netdev)
Close network device.
Definition intelx.c:279
static int intelx_open(struct net_device *netdev)
Open network device.
Definition intelx.c:173

Network device operations.

Definition at line 361 of file intelx.c.

361 {
362 .open = intelx_open,
363 .close = intelx_close,
364 .transmit = intel_transmit,
365 .poll = intelx_poll,
366 .irq = intelx_irq,
367};

Referenced by intelx_probe().

◆ intelx_nics

struct pci_device_id intelx_nics[]
static
Initial value:
= {
PCI_ROM ( 0x8086, 0x10f7, "82599-kx4", "82599 (KX/KX4)", 0 ),
PCI_ROM ( 0x8086, 0x10f8, "82599-combo-backplane",
"82599 (combined backplane; KR/KX4/KX)", 0 ),
PCI_ROM ( 0x8086, 0x10f9, "82599-cx4", "82599 (CX4)", 0 ),
PCI_ROM ( 0x8086, 0x10fb, "82599-sfp", "82599 (SFI/SFP+)", 0 ),
PCI_ROM ( 0x8086, 0x10fc, "82599-xaui", "82599 (XAUI/BX4)", 0 ),
PCI_ROM ( 0x8086, 0x151c, "82599-tn", "82599 (TN)", 0 ),
PCI_ROM ( 0x8086, 0x1528, "x540t", "X540-AT2/X540-BT2", 0 ),
PCI_ROM ( 0x8086, 0x154d, "82599-sfp-sf2", "82599 (SFI/SFP+)", 0 ),
PCI_ROM ( 0x8086, 0x1557, "82599en-sfp",
"82599 (Single Port SFI Only)", 0 ),
PCI_ROM ( 0x8086, 0x1560, "x540t1",
"X540-AT2/X540-BT2 (with single port NVM)", 0 ),
PCI_ROM ( 0x8086, 0x1563, "x550t2", "X550-T2", 0 ),
PCI_ROM ( 0x8086, 0x15ab, "x552", "X552", 0 ),
PCI_ROM ( 0x8086, 0x15c8, "x553t", "X553/X557-AT", 0 ),
PCI_ROM ( 0x8086, 0x15ce, "x553-sfp", "X553 (SFP+)", 0 ),
PCI_ROM ( 0x8086, 0x15e4, "x553a", "X553", 0 ),
PCI_ROM ( 0x8086, 0x15e5, "x553", "X553", 0 ),
}
#define PCI_ROM(_vendor, _device, _name, _description, _data)
Definition pci.h:308

PCI device IDs.

Definition at line 471 of file intelx.c.

471 {
472 PCI_ROM ( 0x8086, 0x10f7, "82599-kx4", "82599 (KX/KX4)", 0 ),
473 PCI_ROM ( 0x8086, 0x10f8, "82599-combo-backplane",
474 "82599 (combined backplane; KR/KX4/KX)", 0 ),
475 PCI_ROM ( 0x8086, 0x10f9, "82599-cx4", "82599 (CX4)", 0 ),
476 PCI_ROM ( 0x8086, 0x10fb, "82599-sfp", "82599 (SFI/SFP+)", 0 ),
477 PCI_ROM ( 0x8086, 0x10fc, "82599-xaui", "82599 (XAUI/BX4)", 0 ),
478 PCI_ROM ( 0x8086, 0x151c, "82599-tn", "82599 (TN)", 0 ),
479 PCI_ROM ( 0x8086, 0x1528, "x540t", "X540-AT2/X540-BT2", 0 ),
480 PCI_ROM ( 0x8086, 0x154d, "82599-sfp-sf2", "82599 (SFI/SFP+)", 0 ),
481 PCI_ROM ( 0x8086, 0x1557, "82599en-sfp",
482 "82599 (Single Port SFI Only)", 0 ),
483 PCI_ROM ( 0x8086, 0x1560, "x540t1",
484 "X540-AT2/X540-BT2 (with single port NVM)", 0 ),
485 PCI_ROM ( 0x8086, 0x1563, "x550t2", "X550-T2", 0 ),
486 PCI_ROM ( 0x8086, 0x15ab, "x552", "X552", 0 ),
487 PCI_ROM ( 0x8086, 0x15c8, "x553t", "X553/X557-AT", 0 ),
488 PCI_ROM ( 0x8086, 0x15ce, "x553-sfp", "X553 (SFP+)", 0 ),
489 PCI_ROM ( 0x8086, 0x15e4, "x553a", "X553", 0 ),
490 PCI_ROM ( 0x8086, 0x15e5, "x553", "X553", 0 ),
491};

◆ __pci_driver

struct pci_driver intelx_driver __pci_driver
Initial value:
= {
.ids = intelx_nics,
.id_count = ( sizeof ( intelx_nics ) / sizeof ( intelx_nics[0] ) ),
.probe = intelx_probe,
}
static int intelx_probe(struct pci_device *pci)
Probe PCI device.
Definition intelx.c:382
static void intelx_remove(struct pci_device *pci)
Remove PCI device.
Definition intelx.c:454
static struct pci_device_id intelx_nics[]
PCI device IDs.
Definition intelx.c:471
static struct xen_remove_from_physmap * remove
Definition xenmem.h:40

PCI driver.

Definition at line 494 of file intelx.c.

494 {
495 .ids = intelx_nics,
496 .id_count = ( sizeof ( intelx_nics ) / sizeof ( intelx_nics[0] ) ),
497 .probe = intelx_probe,
499};