* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
+ *
+ * You can also choose to distribute this program under the terms of
+ * the Unmodified Binary Distribution Licence (as given in the file
+ * COPYING.UBDL), provided that you have satisfied its requirements.
*/
-FILE_LICENCE ( GPL2_OR_LATER );
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#include <stdint.h>
#include <string.h>
return -ENOENT;
}
-/******************************************************************************
- *
- * Diagnostics
- *
- ******************************************************************************
- */
-
-/**
- * Dump diagnostic information
- *
- * @v intel Intel device
- */
-static void __attribute__ (( unused )) intel_diag ( struct intel_nic *intel ) {
-
- DBGC ( intel, "INTEL %p TX %04x(%02x)/%04x(%02x) "
- "RX %04x(%02x)/%04x(%02x)\n", intel,
- ( intel->tx.cons & 0xffff ),
- readl ( intel->regs + intel->tx.reg + INTEL_xDH ),
- ( intel->tx.prod & 0xffff ),
- readl ( intel->regs + intel->tx.reg + INTEL_xDT ),
- ( intel->rx.cons & 0xffff ),
- readl ( intel->regs + intel->rx.reg + INTEL_xDH ),
- ( intel->rx.prod & 0xffff ),
- readl ( intel->regs + intel->rx.reg + INTEL_xDT ) );
-}
-
/******************************************************************************
*
* Device reset
}
}
+/******************************************************************************
+ *
+ * Descriptors
+ *
+ ******************************************************************************
+ */
+
+/**
+ * Populate transmit descriptor
+ *
+ * @v tx Transmit descriptor
+ * @v addr Data buffer address
+ * @v len Length of data
+ */
+void intel_describe_tx ( struct intel_descriptor *tx, physaddr_t addr,
+ size_t len ) {
+
+ /* Populate transmit descriptor */
+ tx->address = cpu_to_le64 ( addr );
+ tx->length = cpu_to_le16 ( len );
+ tx->flags = 0;
+ tx->command = ( INTEL_DESC_CMD_RS | INTEL_DESC_CMD_IFCS |
+ INTEL_DESC_CMD_EOP );
+ tx->status = 0;
+}
+
+/**
+ * Populate advanced transmit descriptor
+ *
+ * @v tx Transmit descriptor
+ * @v addr Data buffer address
+ * @v len Length of data
+ */
+void intel_describe_tx_adv ( struct intel_descriptor *tx, physaddr_t addr,
+ size_t len ) {
+
+ /* Populate advanced transmit descriptor */
+ tx->address = cpu_to_le64 ( addr );
+ tx->length = cpu_to_le16 ( len );
+ tx->flags = INTEL_DESC_FL_DTYP_DATA;
+ tx->command = ( INTEL_DESC_CMD_DEXT | INTEL_DESC_CMD_RS |
+ INTEL_DESC_CMD_IFCS | INTEL_DESC_CMD_EOP );
+ tx->status = cpu_to_le32 ( INTEL_DESC_STATUS_PAYLEN ( len ) );
+}
+
+/**
+ * Populate receive descriptor
+ *
+ * @v rx Receive descriptor
+ * @v addr Data buffer address
+ * @v len Length of data
+ */
+void intel_describe_rx ( struct intel_descriptor *rx, physaddr_t addr,
+ size_t len __unused ) {
+
+ /* Populate transmit descriptor */
+ rx->address = cpu_to_le64 ( addr );
+ rx->length = 0;
+ rx->status = 0;
+}
+
/******************************************************************************
*
* Network device interface
/* Populate receive descriptor */
address = virt_to_bus ( iobuf->data );
- rx->address = cpu_to_le64 ( address );
- rx->length = 0;
- rx->status = 0;
- rx->errors = 0;
+ intel->rx.describe ( rx, address, 0 );
/* Record I/O buffer */
assert ( intel->rx_iobuf[rx_idx] == NULL );
/* Update link state */
intel_check_link ( netdev );
+ /* Apply required errata */
+ if ( intel->flags & INTEL_VMWARE ) {
+ DBGC ( intel, "INTEL %p applying VMware errata workaround\n",
+ intel );
+ intel->force_icr = INTEL_IRQ_RXT0;
+ }
+
return 0;
intel_destroy_ring ( intel, &intel->rx );
unsigned int tx_idx;
unsigned int tx_tail;
physaddr_t address;
+ size_t len;
/* Get next transmit descriptor */
if ( ( intel->tx.prod - intel->tx.cons ) >= INTEL_TX_FILL ) {
/* Populate transmit descriptor */
address = virt_to_bus ( iobuf->data );
- tx->address = cpu_to_le64 ( address );
- tx->length = cpu_to_le16 ( iob_len ( iobuf ) );
- tx->command = ( INTEL_DESC_CMD_RS | INTEL_DESC_CMD_IFCS |
- INTEL_DESC_CMD_EOP );
- tx->status = 0;
+ len = iob_len ( iobuf );
+ intel->tx.describe ( tx, address, len );
wmb();
/* Notify card that there are packets ready to transmit */
DBGC2 ( intel, "INTEL %p TX %d is [%llx,%llx)\n", intel, tx_idx,
( ( unsigned long long ) address ),
- ( ( unsigned long long ) address + iob_len ( iobuf ) ) );
+ ( ( unsigned long long ) address + len ) );
return 0;
}
tx = &intel->tx.desc[tx_idx];
/* Stop if descriptor is still in use */
- if ( ! ( tx->status & INTEL_DESC_STATUS_DD ) )
+ if ( ! ( tx->status & cpu_to_le32 ( INTEL_DESC_STATUS_DD ) ) )
return;
DBGC2 ( intel, "INTEL %p TX %d complete\n", intel, tx_idx );
rx = &intel->rx.desc[rx_idx];
/* Stop if descriptor is still in use */
- if ( ! ( rx->status & INTEL_DESC_STATUS_DD ) )
+ if ( ! ( rx->status & cpu_to_le32 ( INTEL_DESC_STATUS_DD ) ) )
return;
/* Populate I/O buffer */
iob_put ( iobuf, len );
/* Hand off to network stack */
- if ( rx->errors ) {
+ if ( rx->status & cpu_to_le32 ( INTEL_DESC_STATUS_RXE ) ) {
DBGC ( intel, "INTEL %p RX %d error (length %zd, "
- "errors %02x)\n",
- intel, rx_idx, len, rx->errors );
+ "status %08x)\n", intel, rx_idx, len,
+ le32_to_cpu ( rx->status ) );
netdev_rx_err ( netdev, iobuf, -EIO );
} else {
DBGC2 ( intel, "INTEL %p RX %d complete (length %zd)\n",
icr = readl ( intel->regs + INTEL_ICR );
profile_stop ( &intel_vm_poll_profiler );
profile_exclude ( &intel_vm_poll_profiler );
+ icr |= intel->force_icr;
if ( ! icr )
return;
if ( icr & INTEL_IRQ_LSC )
intel_check_link ( netdev );
+ /* Check for unexpected interrupts */
+ if ( icr & ~( INTEL_IRQ_TXDW | INTEL_IRQ_TXQE | INTEL_IRQ_LSC |
+ INTEL_IRQ_RXDMT0 | INTEL_IRQ_RXT0 | INTEL_IRQ_RXO ) ) {
+ DBGC ( intel, "INTEL %p unexpected ICR %08x\n", intel, icr );
+ /* Report as a TX error */
+ netdev_tx_err ( netdev, NULL, -ENOTSUP );
+ }
+
/* Refill RX ring */
intel_refill_rx ( intel );
}
memset ( intel, 0, sizeof ( *intel ) );
intel->port = PCI_FUNC ( pci->busdevfn );
intel->flags = pci->id->driver_data;
- intel_init_ring ( &intel->tx, INTEL_NUM_TX_DESC, INTEL_TD );
- intel_init_ring ( &intel->rx, INTEL_NUM_RX_DESC, INTEL_RD );
+ intel_init_ring ( &intel->tx, INTEL_NUM_TX_DESC, INTEL_TD,
+ intel_describe_tx );
+ intel_init_ring ( &intel->rx, INTEL_NUM_RX_DESC, INTEL_RD,
+ intel_describe_rx );
/* Fix up PCI device */
adjust_pci_device ( pci );
PCI_ROM ( 0x8086, 0x100c, "82544gc", "82544GC (Copper)", 0 ),
PCI_ROM ( 0x8086, 0x100d, "82544gc-l", "82544GC (LOM)", 0 ),
PCI_ROM ( 0x8086, 0x100e, "82540em", "82540EM", 0 ),
- PCI_ROM ( 0x8086, 0x100f, "82545em", "82545EM (Copper)", 0 ),
+ PCI_ROM ( 0x8086, 0x100f, "82545em", "82545EM (Copper)", INTEL_VMWARE ),
PCI_ROM ( 0x8086, 0x1010, "82546eb", "82546EB (Copper)", 0 ),
PCI_ROM ( 0x8086, 0x1011, "82545em-f", "82545EM (Fiber)", 0 ),
PCI_ROM ( 0x8086, 0x1012, "82546eb-f", "82546EB (Fiber)", 0 ),
PCI_ROM ( 0x8086, 0x1533, "i210", "I210", 0 ),
PCI_ROM ( 0x8086, 0x153a, "i217lm", "I217-LM", 0 ),
PCI_ROM ( 0x8086, 0x153b, "i217v", "I217-V", 0 ),
+ PCI_ROM ( 0x8086, 0x1559, "i218v", "I218-V", 0),
+ PCI_ROM ( 0x8086, 0x155a, "i218lm", "I218-LM", 0),
+ PCI_ROM ( 0x8086, 0x15a0, "i218lm-2", "I218-LM", 0 ),
+ PCI_ROM ( 0x8086, 0x15a1, "i218v-2", "I218-V", 0 ),
+ PCI_ROM ( 0x8086, 0x15a2, "i218lm-3", "I218-LM", 0 ),
+ PCI_ROM ( 0x8086, 0x15a3, "i218v-3", "I218-V", 0 ),
PCI_ROM ( 0x8086, 0x294c, "82566dc-2", "82566DC-2", 0 ),
PCI_ROM ( 0x8086, 0x2e6e, "cemedia", "CE Media Processor", 0 ),
};
Code Review / kvmfornfv.git / blobdiff