X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;ds=sidebyside;f=qemu%2Froms%2Fipxe%2Fsrc%2Fdrivers%2Fnet%2Fintel.c;h=6309e9aa59e11818b6131491df9c66b647d1f057;hb=437fd90c0250dee670290f9b714253671a990160;hp=a89f947b2d50a6af592e2b9107fee24a98d1ea91;hpb=5bbd6fe9b8bab2a93e548c5a53b032d1939eec05;p=kvmfornfv.git diff --git a/qemu/roms/ipxe/src/drivers/net/intel.c b/qemu/roms/ipxe/src/drivers/net/intel.c index a89f947b2..6309e9aa5 100644 --- a/qemu/roms/ipxe/src/drivers/net/intel.c +++ b/qemu/roms/ipxe/src/drivers/net/intel.c @@ -15,9 +15,13 @@ * 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 #include @@ -246,32 +250,6 @@ static int intel_fetch_mac ( struct intel_nic *intel, uint8_t *hw_addr ) { 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 @@ -369,6 +347,67 @@ static void intel_check_link ( struct net_device *netdev ) { } } +/****************************************************************************** + * + * 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 @@ -479,10 +518,7 @@ void intel_refill_rx ( struct intel_nic *intel ) { /* 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 ); @@ -568,6 +604,13 @@ static int intel_open ( struct net_device *netdev ) { /* 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 ); @@ -617,6 +660,7 @@ int intel_transmit ( struct net_device *netdev, struct io_buffer *iobuf ) { 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 ) { @@ -629,11 +673,8 @@ int intel_transmit ( struct net_device *netdev, struct io_buffer *iobuf ) { /* 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 */ @@ -644,7 +685,7 @@ int intel_transmit ( struct net_device *netdev, struct io_buffer *iobuf ) { 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; } @@ -667,7 +708,7 @@ void intel_poll_tx ( struct net_device *netdev ) { 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 ); @@ -698,7 +739,7 @@ void intel_poll_rx ( struct net_device *netdev ) { 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 */ @@ -708,10 +749,10 @@ void intel_poll_rx ( struct net_device *netdev ) { 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", @@ -736,6 +777,7 @@ static void intel_poll ( struct net_device *netdev ) { 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; @@ -755,6 +797,14 @@ static void intel_poll ( struct net_device *netdev ) { 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 ); } @@ -817,8 +867,10 @@ static int intel_probe ( struct pci_device *pci ) { 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 ); @@ -895,7 +947,7 @@ static struct pci_device_id intel_nics[] = { 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 ), @@ -998,6 +1050,12 @@ static struct pci_device_id intel_nics[] = { 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 ), };