diff options
Diffstat (limited to 'sys/dev/em/if_em.c')
| -rw-r--r-- | sys/dev/em/if_em.c | 3428 |
1 files changed, 1777 insertions, 1651 deletions
diff --git a/sys/dev/em/if_em.c b/sys/dev/em/if_em.c index 3a34e22..e91abd6 100644 --- a/sys/dev/em/if_em.c +++ b/sys/dev/em/if_em.c @@ -53,7 +53,7 @@ struct adapter *em_adapter_list = NULL; * Driver version *********************************************************************/ -char em_driver_version[] = "1.2.7"; +char em_driver_version[] = "1.3.8"; /********************************************************************* @@ -67,17 +67,21 @@ char em_driver_version[] = "1.2.7"; *********************************************************************/ static em_vendor_info_t em_vendor_info_array[] = { - /* Intel(R) PRO/1000 Network Connection */ - { 0x8086, 0x1000, PCI_ANY_ID, PCI_ANY_ID, 0 }, - { 0x8086, 0x1001, PCI_ANY_ID, PCI_ANY_ID, 0 }, - { 0x8086, 0x1004, PCI_ANY_ID, PCI_ANY_ID, 0 }, - { 0x8086, 0x1008, PCI_ANY_ID, PCI_ANY_ID, 0 }, - { 0x8086, 0x1009, PCI_ANY_ID, PCI_ANY_ID, 0 }, - { 0x8086, 0x100C, PCI_ANY_ID, PCI_ANY_ID, 0 }, - { 0x8086, 0x100D, PCI_ANY_ID, PCI_ANY_ID, 0 }, - { 0x8086, 0x100E, PCI_ANY_ID, PCI_ANY_ID, 0 }, - /* required last entry */ - { 0, 0, 0, 0, 0} + /* Intel(R) PRO/1000 Network Connection */ + { 0x8086, 0x1000, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, 0x1001, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, 0x1004, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, 0x1008, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, 0x1009, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, 0x100C, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, 0x100D, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, 0x100E, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, 0x100F, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, 0x1010, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, 0x1011, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, 0x1012, PCI_ANY_ID, PCI_ANY_ID, 0}, + /* required last entry */ + { 0, 0, 0, 0, 0} }; @@ -86,7 +90,7 @@ static em_vendor_info_t em_vendor_info_array[] = *********************************************************************/ static char *em_strings[] = { - "Intel(R) PRO/1000 Network Connection" + "Intel(R) PRO/1000 Network Connection" }; /********************************************************************* @@ -109,7 +113,6 @@ static int em_allocate_pci_resources(struct adapter *); static void em_free_pci_resources(struct adapter *); static void em_local_timer(void *); static int em_hardware_init(struct adapter *); -static void em_read_mac_address(struct adapter *, u_int8_t *); static void em_setup_interface(device_t, struct adapter *); static int em_setup_transmit_structures(struct adapter *); static void em_initialize_transmit_unit(struct adapter *); @@ -125,35 +128,37 @@ static int em_allocate_receive_structures(struct adapter *); static int em_allocate_transmit_structures(struct adapter *); static void em_process_receive_interrupts(struct adapter *); static void em_receive_checksum(struct adapter *, - struct em_rx_desc * rx_desc, - struct mbuf *); + struct em_rx_desc * rx_desc, + struct mbuf *); static void em_transmit_checksum_setup(struct adapter *, - struct mbuf *, - struct em_tx_buffer *, - u_int32_t *, - u_int32_t *); + struct mbuf *, + struct em_tx_buffer *, + u_int32_t *, + u_int32_t *); static void em_set_promisc(struct adapter *); static void em_disable_promisc(struct adapter *); static void em_set_multi(struct adapter *); static void em_print_hw_stats(struct adapter *); static void em_print_link_status(struct adapter *); static int em_get_buf(struct em_rx_buffer *, struct adapter *, - struct mbuf *); + struct mbuf *); +static void em_enable_vlans(struct adapter *adapter); + /********************************************************************* * FreeBSD Device Interface Entry Points *********************************************************************/ static device_method_t em_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, em_probe), - DEVMETHOD(device_attach, em_attach), - DEVMETHOD(device_detach, em_detach), - DEVMETHOD(device_shutdown, em_shutdown), - {0, 0} + /* Device interface */ + DEVMETHOD(device_probe, em_probe), + DEVMETHOD(device_attach, em_attach), + DEVMETHOD(device_detach, em_detach), + DEVMETHOD(device_shutdown, em_shutdown), + {0, 0} }; static driver_t em_driver = { - "em", em_methods, sizeof(struct adapter ), + "em", em_methods, sizeof(struct adapter ), }; static devclass_t em_devclass; @@ -171,45 +176,44 @@ DRIVER_MODULE(if_em, pci, em_driver, em_devclass, 0, 0); static int em_probe(device_t dev) { - em_vendor_info_t *ent; - - u_int16_t pci_vendor_id = 0; - u_int16_t pci_device_id = 0; - u_int16_t pci_subvendor_id = 0; - u_int16_t pci_subdevice_id = 0; - char adapter_name[60]; - - INIT_DEBUGOUT("em_probe: begin"); - - pci_vendor_id = pci_get_vendor(dev); - if (pci_vendor_id != EM_VENDOR_ID) - return (ENXIO); - - pci_device_id = pci_get_device(dev); - pci_subvendor_id = pci_get_subvendor(dev); - pci_subdevice_id = pci_get_subdevice(dev); - - ent = em_vendor_info_array; - while(ent->vendor_id != 0) { - if ((pci_vendor_id == ent->vendor_id) && - (pci_device_id == ent->device_id) && - - ((pci_subvendor_id == ent->subvendor_id) || - (ent->subvendor_id == PCI_ANY_ID)) && - - ((pci_subdevice_id == ent->subdevice_id) || - (ent->subdevice_id == PCI_ANY_ID))) { - INIT_DEBUGOUT1("em_probe: Found PRO/1000 (pci_device_id=0x%x)", - pci_device_id); - sprintf(adapter_name, "%s, Version - %s", em_strings[ent->index], - em_driver_version); - device_set_desc_copy(dev, adapter_name); - return(0); - } - ent++; - } - - return (ENXIO); + em_vendor_info_t *ent; + + u_int16_t pci_vendor_id = 0; + u_int16_t pci_device_id = 0; + u_int16_t pci_subvendor_id = 0; + u_int16_t pci_subdevice_id = 0; + char adapter_name[60]; + + INIT_DEBUGOUT("em_probe: begin"); + + pci_vendor_id = pci_get_vendor(dev); + if (pci_vendor_id != EM_VENDOR_ID) + return(ENXIO); + + pci_device_id = pci_get_device(dev); + pci_subvendor_id = pci_get_subvendor(dev); + pci_subdevice_id = pci_get_subdevice(dev); + + ent = em_vendor_info_array; + while (ent->vendor_id != 0) { + if ((pci_vendor_id == ent->vendor_id) && + (pci_device_id == ent->device_id) && + + ((pci_subvendor_id == ent->subvendor_id) || + (ent->subvendor_id == PCI_ANY_ID)) && + + ((pci_subdevice_id == ent->subdevice_id) || + (ent->subdevice_id == PCI_ANY_ID))) { + sprintf(adapter_name, "%s, Version - %s", + em_strings[ent->index], + em_driver_version); + device_set_desc_copy(dev, adapter_name); + return(0); + } + ent++; + } + + return(ENXIO); } /********************************************************************* @@ -225,133 +229,140 @@ em_probe(device_t dev) static int em_attach(device_t dev) { - struct adapter * adapter; - int s; - int tsize, rsize; - - INIT_DEBUGOUT("em_attach: begin"); - s = splimp(); - - /* Allocate, clear, and link in our adapter structure */ - if (!(adapter = device_get_softc(dev))) { - printf("em: adapter structure allocation failed\n"); - splx(s); - return(ENOMEM); - } - bzero(adapter, sizeof(struct adapter )); - adapter->dev = dev; - adapter->osdep.dev = dev; - adapter->unit = device_get_unit(dev); - - if (em_adapter_list != NULL) - em_adapter_list->prev = adapter; - adapter->next = em_adapter_list; - em_adapter_list = adapter; - - callout_handle_init(&adapter->timer_handle); - - /* Determine hardware revision */ - em_identify_hardware(adapter); - - /* Parameters (to be read from user) */ - adapter->num_tx_desc = MAX_TXD; - adapter->num_rx_desc = MAX_RXD; - adapter->tx_int_delay = TIDV; - adapter->rx_int_delay = RIDV; - adapter->shared.autoneg = DO_AUTO_NEG; - adapter->shared.wait_autoneg_complete = WAIT_FOR_AUTO_NEG_DEFAULT; - adapter->shared.autoneg_advertised = AUTONEG_ADV_DEFAULT; - adapter->shared.tbi_compatibility_en = TRUE; - adapter->rx_buffer_len = EM_RXBUFFER_2048; - adapter->rx_checksum = EM_ENABLE_RXCSUM_OFFLOAD; - - adapter->shared.fc_high_water = FC_DEFAULT_HI_THRESH; - adapter->shared.fc_low_water = FC_DEFAULT_LO_THRESH; - adapter->shared.fc_pause_time = FC_DEFAULT_TX_TIMER; - adapter->shared.fc_send_xon = TRUE; - adapter->shared.fc = em_fc_full; - - /* Set the max frame size assuming standard ethernet sized frames */ - adapter->shared.max_frame_size = ETHERMTU + ETHER_HDR_LEN + ETHER_CRC_LEN; - adapter->shared.min_frame_size = MINIMUM_ETHERNET_PACKET_SIZE + ETHER_CRC_LEN; - - /* This controls when hardware reports transmit completion status. */ - if ((EM_REPORT_TX_EARLY == 0) || (EM_REPORT_TX_EARLY == 1)) { - adapter->shared.report_tx_early = EM_REPORT_TX_EARLY; - } else { - if(adapter->shared.mac_type < em_82543) { - adapter->shared.report_tx_early = 0; - } else { - adapter->shared.report_tx_early = 1; - } - } - - if (em_allocate_pci_resources(adapter)) { - printf("em%d: Allocation of PCI resources failed\n", adapter->unit); - em_free_pci_resources(adapter); - splx(s); - return(ENXIO); - } - - tsize = EM_ROUNDUP(adapter->num_tx_desc * - sizeof(struct em_tx_desc), 4096); - - /* Allocate Transmit Descriptor ring */ - if (!(adapter->tx_desc_base = (struct em_tx_desc *) - contigmalloc(tsize, M_DEVBUF, M_NOWAIT, 0, ~0, PAGE_SIZE, 0))) { - printf("em%d: Unable to allocate TxDescriptor memory\n", adapter->unit); - em_free_pci_resources(adapter); - splx(s); - return(ENOMEM); - } - - rsize = EM_ROUNDUP(adapter->num_rx_desc * - sizeof(struct em_rx_desc), 4096); - - /* Allocate Receive Descriptor ring */ - if (!(adapter->rx_desc_base = (struct em_rx_desc *) - contigmalloc(rsize, M_DEVBUF, M_NOWAIT, 0, ~0, PAGE_SIZE, 0))) { - printf("em%d: Unable to allocate rx_desc memory\n", adapter->unit); - em_free_pci_resources(adapter); - contigfree(adapter->tx_desc_base, tsize, M_DEVBUF); - splx(s); - return(ENOMEM); - } - - /* Initialize the hardware */ - if (em_hardware_init(adapter)) { - printf("em%d: Unable to initialize the hardware\n",adapter->unit); - em_free_pci_resources(adapter); - contigfree(adapter->tx_desc_base, tsize, M_DEVBUF); - contigfree(adapter->rx_desc_base, rsize, M_DEVBUF); - splx(s); - return(EIO); - } - - /* Setup OS specific network interface */ - em_setup_interface(dev, adapter); - - /* Initialize statistics */ - em_clear_hw_cntrs(&adapter->shared); - em_update_stats_counters(adapter); - adapter->shared.get_link_status = 1; - em_check_for_link(&adapter->shared); - - /* Print the link status */ - if (adapter->link_active == 1) { - em_get_speed_and_duplex(&adapter->shared, &adapter->link_speed, &adapter->link_duplex); - printf("em%d: Speed:%d Mbps Duplex:%s\n", - adapter->unit, - adapter->link_speed, - adapter->link_duplex == FULL_DUPLEX ? "Full" : "Half"); - } - else - printf("em%d: Speed:N/A Duplex:N/A\n", adapter->unit); - - - INIT_DEBUGOUT("em_attach: end"); - splx(s); - return(0); + struct adapter * adapter; + int s; + int tsize, rsize; + + INIT_DEBUGOUT("em_attach: begin"); + s = splimp(); + + /* Allocate, clear, and link in our adapter structure */ + if (!(adapter = device_get_softc(dev))) { + printf("em: adapter structure allocation failed\n"); + splx(s); + return(ENOMEM); + } + bzero(adapter, sizeof(struct adapter )); + adapter->dev = dev; + adapter->osdep.dev = dev; + adapter->unit = device_get_unit(dev); + + if (em_adapter_list != NULL) + em_adapter_list->prev = adapter; + adapter->next = em_adapter_list; + em_adapter_list = adapter; + + callout_handle_init(&adapter->timer_handle); + + /* Determine hardware revision */ + em_identify_hardware(adapter); + + /* Parameters (to be read from user) */ + adapter->num_tx_desc = MAX_TXD; + adapter->num_rx_desc = MAX_RXD; + adapter->tx_int_delay = TIDV; + adapter->rx_int_delay = RIDV; + adapter->hw.autoneg = DO_AUTO_NEG; + adapter->hw.wait_autoneg_complete = WAIT_FOR_AUTO_NEG_DEFAULT; + adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT; + adapter->hw.tbi_compatibility_en = TRUE; + adapter->rx_buffer_len = EM_RXBUFFER_2048; + adapter->rx_checksum = EM_ENABLE_RXCSUM_OFFLOAD; + + adapter->hw.fc_high_water = FC_DEFAULT_HI_THRESH; + adapter->hw.fc_low_water = FC_DEFAULT_LO_THRESH; + adapter->hw.fc_pause_time = FC_DEFAULT_TX_TIMER; + adapter->hw.fc_send_xon = TRUE; + adapter->hw.fc = em_fc_full; + + /* Set the max frame size assuming standard ethernet sized frames */ + adapter->hw.max_frame_size = + ETHERMTU + ETHER_HDR_LEN + ETHER_CRC_LEN; + + adapter->hw.min_frame_size = + MINIMUM_ETHERNET_PACKET_SIZE + ETHER_CRC_LEN; + + /* This controls when hardware reports transmit completion status. */ + if ((EM_REPORT_TX_EARLY == 0) || (EM_REPORT_TX_EARLY == 1)) { + adapter->hw.report_tx_early = EM_REPORT_TX_EARLY; + } else { + if (adapter->hw.mac_type < em_82543) { + adapter->hw.report_tx_early = 0; + } else { + adapter->hw.report_tx_early = 1; + } + } + + if (em_allocate_pci_resources(adapter)) { + printf("em%d: Allocation of PCI resources failed\n", + adapter->unit); + em_free_pci_resources(adapter); + splx(s); + return(ENXIO); + } + + tsize = EM_ROUNDUP(adapter->num_tx_desc * + sizeof(struct em_tx_desc), 4096); + + /* Allocate Transmit Descriptor ring */ + if (!(adapter->tx_desc_base = (struct em_tx_desc *) + contigmalloc(tsize, M_DEVBUF, M_NOWAIT, 0, ~0, PAGE_SIZE, 0))) { + printf("em%d: Unable to allocate TxDescriptor memory\n", + adapter->unit); + em_free_pci_resources(adapter); + splx(s); + return(ENOMEM); + } + + rsize = EM_ROUNDUP(adapter->num_rx_desc * + sizeof(struct em_rx_desc), 4096); + + /* Allocate Receive Descriptor ring */ + if (!(adapter->rx_desc_base = (struct em_rx_desc *) + contigmalloc(rsize, M_DEVBUF, M_NOWAIT, 0, ~0, PAGE_SIZE, 0))) { + printf("em%d: Unable to allocate rx_desc memory\n", + adapter->unit); + em_free_pci_resources(adapter); + contigfree(adapter->tx_desc_base, tsize, M_DEVBUF); + splx(s); + return(ENOMEM); + } + + /* Initialize the hardware */ + if (em_hardware_init(adapter)) { + printf("em%d: Unable to initialize the hardware\n", + adapter->unit); + em_free_pci_resources(adapter); + contigfree(adapter->tx_desc_base, tsize, M_DEVBUF); + contigfree(adapter->rx_desc_base, rsize, M_DEVBUF); + splx(s); + return(EIO); + } + + /* Setup OS specific network interface */ + em_setup_interface(dev, adapter); + + /* Initialize statistics */ + em_clear_hw_cntrs(&adapter->hw); + em_update_stats_counters(adapter); + adapter->hw.get_link_status = 1; + em_check_for_link(&adapter->hw); + + /* Print the link status */ + if (adapter->link_active == 1) { + em_get_speed_and_duplex(&adapter->hw, &adapter->link_speed, + &adapter->link_duplex); + printf("em%d: Speed:%d Mbps Duplex:%s\n", + adapter->unit, + adapter->link_speed, + adapter->link_duplex == FULL_DUPLEX ? "Full" : "Half"); + } else + printf("em%d: Speed:N/A Duplex:N/A\n", adapter->unit); + + + INIT_DEBUGOUT("em_attach: end"); + splx(s); + return(0); } /********************************************************************* @@ -367,60 +378,58 @@ em_attach(device_t dev) static int em_detach(device_t dev) { - struct adapter * adapter = device_get_softc(dev); - struct ifnet *ifp = &adapter->interface_data.ac_if; - int s; - int size; - - INIT_DEBUGOUT("em_detach: begin"); - s = splimp(); - - em_stop(adapter); - em_phy_hw_reset(&adapter->shared); - ether_ifdetach(&adapter->interface_data.ac_if, ETHER_BPF_SUPPORTED); - em_free_pci_resources(adapter); - - size = EM_ROUNDUP(adapter->num_tx_desc * - sizeof(struct em_tx_desc), 4096); - - /* Free Transmit Descriptor ring */ - if (adapter->tx_desc_base) { - contigfree(adapter->tx_desc_base, size, M_DEVBUF); - adapter->tx_desc_base = NULL; - } - - size = EM_ROUNDUP(adapter->num_rx_desc * - sizeof(struct em_rx_desc), 4096); - - /* Free Receive Descriptor ring */ - if (adapter->rx_desc_base) { - contigfree(adapter->rx_desc_base, size, M_DEVBUF); - adapter->rx_desc_base = NULL; - } - - /* Remove from the adapter list */ - if(em_adapter_list == adapter) - em_adapter_list = adapter->next; - if(adapter->next != NULL) - adapter->next->prev = adapter->prev; - if(adapter->prev != NULL) - adapter->prev->next = adapter->next; - - ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); - ifp->if_timer = 0; - - splx(s); - return(0); + struct adapter * adapter = device_get_softc(dev); + struct ifnet *ifp = &adapter->interface_data.ac_if; + int s; + int size; + + INIT_DEBUGOUT("em_detach: begin"); + s = splimp(); + + em_stop(adapter); + em_phy_hw_reset(&adapter->hw); + ether_ifdetach(&adapter->interface_data.ac_if, ETHER_BPF_SUPPORTED); + em_free_pci_resources(adapter); + + size = EM_ROUNDUP(adapter->num_tx_desc * + sizeof(struct em_tx_desc), 4096); + + /* Free Transmit Descriptor ring */ + if (adapter->tx_desc_base) { + contigfree(adapter->tx_desc_base, size, M_DEVBUF); + adapter->tx_desc_base = NULL; + } + + size = EM_ROUNDUP(adapter->num_rx_desc * + sizeof(struct em_rx_desc), 4096); + + /* Free Receive Descriptor ring */ + if (adapter->rx_desc_base) { + contigfree(adapter->rx_desc_base, size, M_DEVBUF); + adapter->rx_desc_base = NULL; + } + + /* Remove from the adapter list */ + if (em_adapter_list == adapter) + em_adapter_list = adapter->next; + if (adapter->next != NULL) + adapter->next->prev = adapter->prev; + if (adapter->prev != NULL) + adapter->prev->next = adapter->next; + + ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); + ifp->if_timer = 0; + + splx(s); + return(0); } static int em_shutdown(device_t dev) { - struct adapter * adapter = device_get_softc(dev); - - /* Issue a global reset */ - em_adapter_stop(&adapter->shared); - return(0); + struct adapter *adapter = device_get_softc(dev); + em_stop(adapter); + return(0); } @@ -437,111 +446,130 @@ em_shutdown(device_t dev) static void em_start(struct ifnet *ifp) { - int s; - struct mbuf *m_head, *mp; - vm_offset_t virtual_addr; - u_int32_t txd_upper; - u_int32_t txd_lower; - struct em_tx_buffer *tx_buffer; - struct em_tx_desc *current_tx_desc = NULL; - struct adapter * adapter = ifp->if_softc; - - if (!adapter->link_active) - return; - - s = splimp(); - while (ifp->if_snd.ifq_head != NULL) { - - IF_DEQUEUE(&ifp->if_snd, m_head); - - if(m_head == NULL) break; - - if (adapter->num_tx_desc_avail <= TX_CLEANUP_THRESHOLD) - em_clean_transmit_interrupts(adapter); - - if (adapter->num_tx_desc_avail <= TX_CLEANUP_THRESHOLD) { - ifp->if_flags |= IFF_OACTIVE; - IF_PREPEND(&ifp->if_snd, m_head); - adapter->no_tx_desc_avail++; - break; - } - - tx_buffer = STAILQ_FIRST(&adapter->free_tx_buffer_list); - if (!tx_buffer) { - adapter->no_tx_buffer_avail1++; - - /* - * OK so we should not get here but I've seen it so lets try to - * clean up and then try to get a SwPacket again and only break - * if we still don't get one - */ - em_clean_transmit_interrupts(adapter); - tx_buffer = STAILQ_FIRST(&adapter->free_tx_buffer_list); - if (!tx_buffer) { - ifp->if_flags |= IFF_OACTIVE; - IF_PREPEND(&ifp->if_snd, m_head); - adapter->no_tx_buffer_avail2++; - break; - } - } - STAILQ_REMOVE_HEAD(&adapter->free_tx_buffer_list, em_tx_entry); - - tx_buffer->num_tx_desc_used = 0; - tx_buffer->m_head = m_head; - - if (ifp->if_hwassist > 0) { - em_transmit_checksum_setup(adapter, m_head, tx_buffer, &txd_upper, &txd_lower); - } else { - txd_upper = 0; - txd_lower = 0; - } - - for (mp = m_head; mp != NULL; mp = mp->m_next) { - if (mp->m_len == 0) - continue; - current_tx_desc = adapter->next_avail_tx_desc; - virtual_addr = mtod(mp, vm_offset_t); - current_tx_desc->buffer_addr = vtophys(virtual_addr); - - current_tx_desc->lower.data = (txd_lower | mp->m_len); - current_tx_desc->upper.data = (txd_upper); - - if (current_tx_desc == adapter->last_tx_desc) - adapter->next_avail_tx_desc = - adapter->first_tx_desc; - else - adapter->next_avail_tx_desc++; - - adapter->num_tx_desc_avail--; - tx_buffer->num_tx_desc_used++; - } - - /* Put this tx_buffer at the end in the "in use" list */ - STAILQ_INSERT_TAIL(&adapter->used_tx_buffer_list, tx_buffer, em_tx_entry); - - /* - * Last Descriptor of Packet needs End Of Packet (EOP), Report Status - * (RS) and append Ethernet CRC (IFCS) bits set. - */ - current_tx_desc->lower.data |= (adapter->txd_cmd | E1000_TXD_CMD_EOP); - - /* Send a copy of the frame to the BPF listener */ - if (ifp->if_bpf) - bpf_mtap(ifp, m_head); - /* - * Advance the Transmit Descriptor Tail (Tdt), this tells the E1000 - * that this frame is available to transmit. - */ - E1000_WRITE_REG(&adapter->shared, TDT, (((uintptr_t) adapter->next_avail_tx_desc - - (uintptr_t) adapter->first_tx_desc) >> 4)); - } /* end of while loop */ - - splx(s); - - /* Set timeout in case chip has problems transmitting */ - ifp->if_timer = EM_TX_TIMEOUT; - - return; + int s; + struct mbuf *m_head, *mp; + vm_offset_t virtual_addr; + u_int32_t txd_upper; + u_int32_t txd_lower; + struct em_tx_buffer *tx_buffer; + struct em_tx_desc *current_tx_desc = NULL; + struct adapter * adapter = ifp->if_softc; + + if (!adapter->link_active) + return; + + s = splimp(); + while (ifp->if_snd.ifq_head != NULL) { + struct ifvlan *ifv = NULL; + + IF_DEQUEUE(&ifp->if_snd, m_head); + + if (m_head == NULL) break; + + if (adapter->num_tx_desc_avail <= TX_CLEANUP_THRESHOLD) + em_clean_transmit_interrupts(adapter); + + if (adapter->num_tx_desc_avail <= TX_CLEANUP_THRESHOLD) { + ifp->if_flags |= IFF_OACTIVE; + IF_PREPEND(&ifp->if_snd, m_head); + adapter->no_tx_desc_avail++; + break; + } + + tx_buffer = STAILQ_FIRST(&adapter->free_tx_buffer_list); + if (!tx_buffer) { + adapter->no_tx_buffer_avail1++; + /* + * OK so we should not get here but I've seen it so let + * us try to clean up and then try to get a tx_buffer + * again and only break if we still don't get one. + */ + em_clean_transmit_interrupts(adapter); + tx_buffer = STAILQ_FIRST(&adapter->free_tx_buffer_list); + if (!tx_buffer) { + ifp->if_flags |= IFF_OACTIVE; + IF_PREPEND(&ifp->if_snd, m_head); + adapter->no_tx_buffer_avail2++; + break; + } + } + STAILQ_REMOVE_HEAD(&adapter->free_tx_buffer_list, em_tx_entry); + + tx_buffer->num_tx_desc_used = 0; + tx_buffer->m_head = m_head; + + if (ifp->if_hwassist > 0) { + em_transmit_checksum_setup(adapter, m_head, tx_buffer, + &txd_upper, &txd_lower); + } else { + txd_upper = 0; + txd_lower = 0; + } + + /* Find out if we are in vlan mode */ + if ((m_head->m_flags & (M_PROTO1|M_PKTHDR)) == (M_PROTO1|M_PKTHDR) && + m_head->m_pkthdr.rcvif != NULL && + m_head->m_pkthdr.rcvif->if_type == IFT_L2VLAN) + ifv = m_head->m_pkthdr.rcvif->if_softc; + + + for (mp = m_head; mp != NULL; mp = mp->m_next) { + if (mp->m_len == 0) + continue; + current_tx_desc = adapter->next_avail_tx_desc; + virtual_addr = mtod(mp, vm_offset_t); + current_tx_desc->buffer_addr = vtophys(virtual_addr); + + current_tx_desc->lower.data = (txd_lower | mp->m_len); + current_tx_desc->upper.data = (txd_upper); + + if (current_tx_desc == adapter->last_tx_desc) + adapter->next_avail_tx_desc = + adapter->first_tx_desc; + else + adapter->next_avail_tx_desc++; + + adapter->num_tx_desc_avail--; + tx_buffer->num_tx_desc_used++; + } + + /* Put this tx_buffer at the end in the "in use" list */ + STAILQ_INSERT_TAIL(&adapter->used_tx_buffer_list, tx_buffer, + em_tx_entry); + + if (ifv != NULL) { + /* Tell hardware to add tag */ + current_tx_desc->lower.data |= E1000_TXD_CMD_VLE; + + /* Set the vlan id */ + current_tx_desc->upper.fields.special = ifv->ifv_tag; + } + + /* + * Last Descriptor of Packet needs End Of Packet (EOP), Report Status + * (RS) and append Ethernet CRC (IFCS) bits set. + */ + current_tx_desc->lower.data |= (adapter->txd_cmd | E1000_TXD_CMD_EOP); + + /* Send a copy of the frame to the BPF listener */ + if (ifp->if_bpf) + bpf_mtap(ifp, m_head); + + /* + * Advance the Transmit Descriptor Tail (Tdt), this tells the E1000 + * that this frame is available to transmit. + */ + E1000_WRITE_REG(&adapter->hw, TDT, + (((uintptr_t) adapter->next_avail_tx_desc - + (uintptr_t) adapter->first_tx_desc) >> 4)); + } /* end of while loop */ + + splx(s); + + /* Set timeout in case chip has problems transmitting */ + ifp->if_timer = EM_TX_TIMEOUT; + + return; } /********************************************************************* @@ -556,115 +584,115 @@ em_start(struct ifnet *ifp) static int em_ioctl(struct ifnet *ifp, IOCTL_CMD_TYPE command, caddr_t data) { - int s, mask, error = 0; - struct ifreq *ifr = (struct ifreq *) data; - struct adapter * adapter = ifp->if_softc; - - s = splimp(); - switch (command) { - case SIOCSIFADDR: - case SIOCGIFADDR: - IOCTL_DEBUGOUT("ioctl rcv'd: SIOCxIFADDR (Get/Set Interface Addr)"); - ether_ioctl(ifp, command, data); - break; - case SIOCSIFMTU: - IOCTL_DEBUGOUT("ioctl rcv'd: SIOCSIFMTU (Set Interface MTU)"); - if (ifr->ifr_mtu > MAX_JUMBO_FRAME_SIZE - ETHER_HDR_LEN) { - error = EINVAL; - } else { - ifp->if_mtu = ifr->ifr_mtu; - adapter->shared.max_frame_size = ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; - em_init(adapter); - } - break; - case SIOCSIFFLAGS: - IOCTL_DEBUGOUT("ioctl rcv'd: SIOCSIFFLAGS (Set Interface Flags)"); - if (ifp->if_flags & IFF_UP) { - if (ifp->if_flags & IFF_RUNNING && - ifp->if_flags & IFF_PROMISC) { - em_set_promisc(adapter); - } else if (ifp->if_flags & IFF_RUNNING && - !(ifp->if_flags & IFF_PROMISC)) { - em_disable_promisc(adapter); - } else - em_init(adapter); - } else { - if (ifp->if_flags & IFF_RUNNING) { - em_stop(adapter); - } - } - break; - case SIOCADDMULTI: - case SIOCDELMULTI: - IOCTL_DEBUGOUT("ioctl rcv'd: SIOC(ADD|DEL)MULTI"); - if (ifp->if_flags & IFF_RUNNING) { - em_disable_intr(adapter); - em_set_multi(adapter); - if(adapter->shared.mac_type == em_82542_rev2_0) - em_initialize_receive_unit(adapter); - em_enable_intr(adapter); - } - break; - case SIOCSIFMEDIA: - case SIOCGIFMEDIA: - IOCTL_DEBUGOUT("ioctl rcv'd: SIOCxIFMEDIA (Get/Set Interface Media)"); - error = ifmedia_ioctl(ifp, ifr, &adapter->media, command); - break; - case SIOCSIFCAP: - IOCTL_DEBUGOUT("ioctl rcv'd: SIOCSIFCAP (Set Capabilities)"); - mask = ifr->ifr_reqcap ^ ifp->if_capenable; - if (mask & IFCAP_HWCSUM) { - if (IFCAP_HWCSUM & ifp->if_capenable) - ifp->if_capenable &= ~IFCAP_HWCSUM; - else - ifp->if_capenable |= IFCAP_HWCSUM; - if (ifp->if_flags & IFF_RUNNING) - em_init(adapter); - } - break; - default: - IOCTL_DEBUGOUT1("ioctl received: UNKNOWN (0x%d)\n", (int)command); - error = EINVAL; - } - - splx(s); - return(error); + int s, mask, error = 0; + struct ifreq *ifr = (struct ifreq *) data; + struct adapter * adapter = ifp->if_softc; + + s = splimp(); + switch (command) { + case SIOCSIFADDR: + case SIOCGIFADDR: + IOCTL_DEBUGOUT("ioctl rcv'd: SIOCxIFADDR (Get/Set Interface Addr)"); + ether_ioctl(ifp, command, data); + break; + case SIOCSIFMTU: + IOCTL_DEBUGOUT("ioctl rcv'd: SIOCSIFMTU (Set Interface MTU)"); + if (ifr->ifr_mtu > MAX_JUMBO_FRAME_SIZE - ETHER_HDR_LEN) { + error = EINVAL; + } else { + ifp->if_mtu = ifr->ifr_mtu; + adapter->hw.max_frame_size = + ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; + em_init(adapter); + } + break; + case SIOCSIFFLAGS: + IOCTL_DEBUGOUT("ioctl rcv'd: SIOCSIFFLAGS (Set Interface Flags)"); + if (ifp->if_flags & IFF_UP) { + if (ifp->if_flags & IFF_RUNNING && + ifp->if_flags & IFF_PROMISC) { + em_set_promisc(adapter); + } else if (ifp->if_flags & IFF_RUNNING && + !(ifp->if_flags & IFF_PROMISC)) { + em_disable_promisc(adapter); + } else + em_init(adapter); + } else { + if (ifp->if_flags & IFF_RUNNING) { + em_stop(adapter); + } + } + break; + case SIOCADDMULTI: + case SIOCDELMULTI: + IOCTL_DEBUGOUT("ioctl rcv'd: SIOC(ADD|DEL)MULTI"); + if (ifp->if_flags & IFF_RUNNING) { + em_disable_intr(adapter); + em_set_multi(adapter); + if (adapter->hw.mac_type == em_82542_rev2_0) + em_initialize_receive_unit(adapter); + em_enable_intr(adapter); + } + break; + case SIOCSIFMEDIA: + case SIOCGIFMEDIA: + IOCTL_DEBUGOUT("ioctl rcv'd: SIOCxIFMEDIA (Get/Set Interface Media)"); + error = ifmedia_ioctl(ifp, ifr, &adapter->media, command); + break; + case SIOCSIFCAP: + IOCTL_DEBUGOUT("ioctl rcv'd: SIOCSIFCAP (Set Capabilities)"); + mask = ifr->ifr_reqcap ^ ifp->if_capenable; + if (mask & IFCAP_HWCSUM) { + if (IFCAP_HWCSUM & ifp->if_capenable) + ifp->if_capenable &= ~IFCAP_HWCSUM; + else + ifp->if_capenable |= IFCAP_HWCSUM; + if (ifp->if_flags & IFF_RUNNING) + em_init(adapter); + } + break; + default: + IOCTL_DEBUGOUT1("ioctl received: UNKNOWN (0x%d)\n", (int)command); + error = EINVAL; + } + + splx(s); + return(error); } static void em_set_promisc(struct adapter * adapter) { - u_int32_t reg_rctl; - struct ifnet *ifp = &adapter->interface_data.ac_if; + u_int32_t reg_rctl; + struct ifnet *ifp = &adapter->interface_data.ac_if; - reg_rctl = E1000_READ_REG(&adapter->shared, RCTL); + reg_rctl = E1000_READ_REG(&adapter->hw, RCTL); - if(ifp->if_flags & IFF_PROMISC) { - reg_rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE); - E1000_WRITE_REG(&adapter->shared, RCTL, reg_rctl); - } - else if (ifp->if_flags & IFF_ALLMULTI) { - reg_rctl |= E1000_RCTL_MPE; - reg_rctl &= ~E1000_RCTL_UPE; - E1000_WRITE_REG(&adapter->shared, RCTL, reg_rctl); - } + if (ifp->if_flags & IFF_PROMISC) { + reg_rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE); + E1000_WRITE_REG(&adapter->hw, RCTL, reg_rctl); + } else if (ifp->if_flags & IFF_ALLMULTI) { + reg_rctl |= E1000_RCTL_MPE; + reg_rctl &= ~E1000_RCTL_UPE; + E1000_WRITE_REG(&adapter->hw, RCTL, reg_rctl); + } - return; + return; } static void em_disable_promisc(struct adapter * adapter) { - u_int32_t reg_rctl; + u_int32_t reg_rctl; - reg_rctl = E1000_READ_REG(&adapter->shared, RCTL); + reg_rctl = E1000_READ_REG(&adapter->hw, RCTL); - reg_rctl &= (~E1000_RCTL_UPE); - reg_rctl &= (~E1000_RCTL_MPE); - E1000_WRITE_REG(&adapter->shared, RCTL, reg_rctl); + reg_rctl &= (~E1000_RCTL_UPE); + reg_rctl &= (~E1000_RCTL_MPE); + E1000_WRITE_REG(&adapter->hw, RCTL, reg_rctl); - return; + return; } @@ -678,58 +706,59 @@ em_disable_promisc(struct adapter * adapter) static void em_set_multi(struct adapter * adapter) { - u_int32_t reg_rctl = 0; - u_int8_t mta[MAX_NUM_MULTICAST_ADDRESSES * ETH_LENGTH_OF_ADDRESS]; - u_int16_t pci_cmd_word; - struct ifmultiaddr *ifma; - int mcnt = 0; - struct ifnet *ifp = &adapter->interface_data.ac_if; - - IOCTL_DEBUGOUT("em_set_multi: begin"); - - if(adapter->shared.mac_type == em_82542_rev2_0) { - reg_rctl = E1000_READ_REG(&adapter->shared, RCTL); - if(adapter->shared.pci_cmd_word & CMD_MEM_WRT_INVALIDATE) { - pci_cmd_word = adapter->shared.pci_cmd_word & ~CMD_MEM_WRT_INVALIDATE; - pci_write_config(adapter->dev, PCIR_COMMAND, pci_cmd_word, 2); - } - reg_rctl |= E1000_RCTL_RST; - E1000_WRITE_REG(&adapter->shared, RCTL, reg_rctl); - msec_delay(5); - } + u_int32_t reg_rctl = 0; + u_int8_t mta[MAX_NUM_MULTICAST_ADDRESSES * ETH_LENGTH_OF_ADDRESS]; + u_int16_t pci_cmd_word; + struct ifmultiaddr *ifma; + int mcnt = 0; + struct ifnet *ifp = &adapter->interface_data.ac_if; + + IOCTL_DEBUGOUT("em_set_multi: begin"); + + if (adapter->hw.mac_type == em_82542_rev2_0) { + reg_rctl = E1000_READ_REG(&adapter->hw, RCTL); + if (adapter->hw.pci_cmd_word & CMD_MEM_WRT_INVALIDATE) { + pci_cmd_word = adapter->hw.pci_cmd_word & + ~CMD_MEM_WRT_INVALIDATE; + pci_write_config(adapter->dev, PCIR_COMMAND, pci_cmd_word, 2); + } + reg_rctl |= E1000_RCTL_RST; + E1000_WRITE_REG(&adapter->hw, RCTL, reg_rctl); + msec_delay(5); + } #if __FreeBSD_version < 500000 - LIST_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { + LIST_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { #else - TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { + TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { #endif - if (ifma->ifma_addr->sa_family != AF_LINK) - continue; - - bcopy(LLADDR((struct sockaddr_dl *)ifma->ifma_addr), - &mta[mcnt*ETH_LENGTH_OF_ADDRESS], ETH_LENGTH_OF_ADDRESS); - mcnt++; - } - - if (mcnt > MAX_NUM_MULTICAST_ADDRESSES) { - reg_rctl = E1000_READ_REG(&adapter->shared, RCTL); - reg_rctl |= E1000_RCTL_MPE; - E1000_WRITE_REG(&adapter->shared, RCTL, reg_rctl); - } - else - em_mc_addr_list_update(&adapter->shared, mta, mcnt, 0); - - if(adapter->shared.mac_type == em_82542_rev2_0) { - reg_rctl = E1000_READ_REG(&adapter->shared, RCTL); - reg_rctl &= ~E1000_RCTL_RST; - E1000_WRITE_REG(&adapter->shared, RCTL, reg_rctl); - msec_delay(5); - if(adapter->shared.pci_cmd_word & CMD_MEM_WRT_INVALIDATE) { - pci_write_config(adapter->dev, PCIR_COMMAND, adapter->shared.pci_cmd_word, 2); - } - } - - return; + if (ifma->ifma_addr->sa_family != AF_LINK) + continue; + + bcopy(LLADDR((struct sockaddr_dl *)ifma->ifma_addr), + &mta[mcnt*ETH_LENGTH_OF_ADDRESS], ETH_LENGTH_OF_ADDRESS); + mcnt++; + } + + if (mcnt > MAX_NUM_MULTICAST_ADDRESSES) { + reg_rctl = E1000_READ_REG(&adapter->hw, RCTL); + reg_rctl |= E1000_RCTL_MPE; + E1000_WRITE_REG(&adapter->hw, RCTL, reg_rctl); + } else + em_mc_addr_list_update(&adapter->hw, mta, mcnt, 0); + + if (adapter->hw.mac_type == em_82542_rev2_0) { + reg_rctl = E1000_READ_REG(&adapter->hw, RCTL); + reg_rctl &= ~E1000_RCTL_RST; + E1000_WRITE_REG(&adapter->hw, RCTL, reg_rctl); + msec_delay(5); + if (adapter->hw.pci_cmd_word & CMD_MEM_WRT_INVALIDATE) { + pci_write_config(adapter->dev, PCIR_COMMAND, + adapter->hw.pci_cmd_word, 2); + } + } + + return; } /********************************************************************* @@ -742,26 +771,26 @@ em_set_multi(struct adapter * adapter) static void em_watchdog(struct ifnet *ifp) { - struct adapter * adapter; - adapter = ifp->if_softc; - - /* If we are in this routine because of pause frames, then - * don't reset the hardware. - */ - if(E1000_READ_REG(&adapter->shared, STATUS) & E1000_STATUS_TXOFF) { - ifp->if_timer = EM_TX_TIMEOUT; - return; - } - - printf("em%d: watchdog timeout -- resetting\n", adapter->unit); - - ifp->if_flags &= ~IFF_RUNNING; - - em_stop(adapter); - em_init(adapter); - - ifp->if_oerrors++; - return; + struct adapter * adapter; + adapter = ifp->if_softc; + + /* If we are in this routine because of pause frames, then + * don't reset the hardware. + */ + if (E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_TXOFF) { + ifp->if_timer = EM_TX_TIMEOUT; + return; + } + + printf("em%d: watchdog timeout -- resetting\n", adapter->unit); + + ifp->if_flags &= ~IFF_RUNNING; + + em_stop(adapter); + em_init(adapter); + + ifp->if_oerrors++; + return; } /********************************************************************* @@ -774,48 +803,50 @@ em_watchdog(struct ifnet *ifp) static void em_local_timer(void *arg) { - int s; - struct ifnet *ifp; - struct adapter * adapter = arg; - ifp = &adapter->interface_data.ac_if; - - s = splimp(); - - em_check_for_link(&adapter->shared); - em_print_link_status(adapter); - em_update_stats_counters(adapter); - if(em_display_debug_stats && ifp->if_flags & IFF_RUNNING) { - em_print_hw_stats(adapter); - } - adapter->timer_handle = timeout(em_local_timer, adapter, 2*hz); - - splx(s); - return; + int s; + struct ifnet *ifp; + struct adapter * adapter = arg; + ifp = &adapter->interface_data.ac_if; + + s = splimp(); + + em_check_for_link(&adapter->hw); + em_print_link_status(adapter); + em_update_stats_counters(adapter); + if (em_display_debug_stats && ifp->if_flags & IFF_RUNNING) { + em_print_hw_stats(adapter); + } + adapter->timer_handle = timeout(em_local_timer, adapter, 2*hz); + + splx(s); + return; } static void em_print_link_status(struct adapter * adapter) { - if(E1000_READ_REG(&adapter->shared, STATUS) & E1000_STATUS_LU) { - if(adapter->link_active == 0) { - em_get_speed_and_duplex(&adapter->shared, &adapter->link_speed, &adapter->link_duplex); - printf("em%d: Link is up %d Mbps %s\n", - adapter->unit, - adapter->link_speed, - ((adapter->link_duplex == FULL_DUPLEX) ? - "Full Duplex" : "Half Duplex")); - adapter->link_active = 1; - } - } else { - if(adapter->link_active == 1) { - adapter->link_speed = 0; - adapter->link_duplex = 0; - printf("em%d: Link is Down\n", adapter->unit); - adapter->link_active = 0; - } - } - - return; + if (E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU) { + if (adapter->link_active == 0) { + em_get_speed_and_duplex(&adapter->hw, + &adapter->link_speed, + &adapter->link_duplex); + printf("em%d: Link is up %d Mbps %s\n", + adapter->unit, + adapter->link_speed, + ((adapter->link_duplex == FULL_DUPLEX) ? + "Full Duplex" : "Half Duplex")); + adapter->link_active = 1; + } + } else { + if (adapter->link_active == 1) { + adapter->link_speed = 0; + adapter->link_duplex = 0; + printf("em%d: Link is Down\n", adapter->unit); + adapter->link_active = 0; + } + } + + return; } /********************************************************************* @@ -832,60 +863,66 @@ em_print_link_status(struct adapter * adapter) static void em_init(void *arg) { - int s; - struct ifnet *ifp; - struct adapter * adapter = arg; - - INIT_DEBUGOUT("em_init: begin"); - - s = splimp(); - - em_stop(adapter); - - /* Initialize the hardware */ - if (em_hardware_init(adapter)) { - printf("em%d: Unable to initialize the hardware\n", adapter->unit); - splx(s); - return; - } - adapter->shared.adapter_stopped = FALSE; - - /* Prepare transmit descriptors and buffers */ - if (em_setup_transmit_structures(adapter)) { - printf("em%d: Could not setup transmit structures\n", adapter->unit); - em_stop(adapter); - splx(s); - return; - } - em_initialize_transmit_unit(adapter); - - /* Setup Multicast table */ - em_set_multi(adapter); - - /* Prepare receive descriptors and buffers */ - if (em_setup_receive_structures(adapter)) { - printf("em%d: Could not setup receive structures\n", adapter->unit); - em_stop(adapter); - splx(s); - return; - } - em_initialize_receive_unit(adapter); - - ifp = &adapter->interface_data.ac_if; - ifp->if_flags |= IFF_RUNNING; - ifp->if_flags &= ~IFF_OACTIVE; - - if(adapter->shared.mac_type >= em_82543) { - if (ifp->if_capenable & IFCAP_TXCSUM) - ifp->if_hwassist = EM_CHECKSUM_FEATURES; - } - - adapter->timer_handle = timeout(em_local_timer, adapter, 2*hz); - em_clear_hw_cntrs(&adapter->shared); - em_enable_intr(adapter); - - splx(s); - return; + int s; + struct ifnet *ifp; + struct adapter * adapter = arg; + + INIT_DEBUGOUT("em_init: begin"); + + s = splimp(); + + em_stop(adapter); + + /* Initialize the hardware */ + if (em_hardware_init(adapter)) { + printf("em%d: Unable to initialize the hardware\n", + adapter->unit); + splx(s); + return; + } + + em_enable_vlans(adapter); + + /* Prepare transmit descriptors and buffers */ + if (em_setup_transmit_structures(adapter)) { + printf("em%d: Could not setup transmit structures\n", + adapter->unit); + em_stop(adapter); + splx(s); + return; + } + em_initialize_transmit_unit(adapter); + + /* Setup Multicast table */ + em_set_multi(adapter); + + /* Prepare receive descriptors and buffers */ + if (em_setup_receive_structures(adapter)) { + printf("em%d: Could not setup receive structures\n", + adapter->unit); + em_stop(adapter); + splx(s); + return; + } + em_initialize_receive_unit(adapter); + + ifp = &adapter->interface_data.ac_if; + ifp->if_flags |= IFF_RUNNING; + ifp->if_flags &= ~IFF_OACTIVE; + + if (adapter->hw.mac_type >= em_82543) { + if (ifp->if_capenable & IFCAP_TXCSUM) + ifp->if_hwassist = EM_CHECKSUM_FEATURES; + else + ifp->if_hwassist = 0; + } + + adapter->timer_handle = timeout(em_local_timer, adapter, 2*hz); + em_clear_hw_cntrs(&adapter->hw); + em_enable_intr(adapter); + + splx(s); + return; } @@ -899,22 +936,22 @@ em_init(void *arg) static void em_stop(void *arg) { - struct ifnet *ifp; - struct adapter * adapter = arg; - ifp = &adapter->interface_data.ac_if; + struct ifnet *ifp; + struct adapter * adapter = arg; + ifp = &adapter->interface_data.ac_if; - INIT_DEBUGOUT("em_stop: begin\n"); - em_disable_intr(adapter); - em_adapter_stop(&adapter->shared); - untimeout(em_local_timer, adapter, adapter->timer_handle); - em_free_transmit_structures(adapter); - em_free_receive_structures(adapter); + INIT_DEBUGOUT("em_stop: begin\n"); + em_disable_intr(adapter); + em_reset_hw(&adapter->hw); + untimeout(em_local_timer, adapter, adapter->timer_handle); + em_free_transmit_structures(adapter); + em_free_receive_structures(adapter); - /* Tell the stack that the interface is no longer active */ - ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); + /* Tell the stack that the interface is no longer active */ + ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); - return; + return; } /********************************************************************* @@ -926,38 +963,41 @@ em_stop(void *arg) static void em_intr(void *arg) { - u_int32_t loop_cnt = EM_MAX_INTR; - u_int32_t reg_icr; - struct ifnet *ifp; - struct adapter *adapter = arg; - - ifp = &adapter->interface_data.ac_if; - - em_disable_intr(adapter); - while(loop_cnt > 0 && (reg_icr = E1000_READ_REG(&adapter->shared, ICR)) != 0) { - - /* Link status change */ - if(reg_icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) { - untimeout(em_local_timer, adapter, adapter->timer_handle); - adapter->shared.get_link_status = 1; - em_check_for_link(&adapter->shared); - em_print_link_status(adapter); - adapter->timer_handle = timeout(em_local_timer, adapter, 2*hz); - } - - if (ifp->if_flags & IFF_RUNNING) { - em_process_receive_interrupts(adapter); - em_clean_transmit_interrupts(adapter); - } - loop_cnt--; - } - - em_enable_intr(adapter); - - if(ifp->if_flags & IFF_RUNNING && ifp->if_snd.ifq_head != NULL) - em_start(ifp); - - return; + u_int32_t loop_cnt = EM_MAX_INTR; + u_int32_t reg_icr; + struct ifnet *ifp; + struct adapter *adapter = arg; + + ifp = &adapter->interface_data.ac_if; + + em_disable_intr(adapter); + while (loop_cnt > 0 && + (reg_icr = E1000_READ_REG(&adapter->hw, ICR)) != 0) { + + /* Link status change */ + if (reg_icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) { + untimeout(em_local_timer, adapter, + adapter->timer_handle); + adapter->hw.get_link_status = 1; + em_check_for_link(&adapter->hw); + em_print_link_status(adapter); + adapter->timer_handle = + timeout(em_local_timer, adapter, 2*hz); + } + + if (ifp->if_flags & IFF_RUNNING) { + em_process_receive_interrupts(adapter); + em_clean_transmit_interrupts(adapter); + } + loop_cnt--; + } + + em_enable_intr(adapter); + + if (ifp->if_flags & IFF_RUNNING && ifp->if_snd.ifq_head != NULL) + em_start(ifp); + + return; } @@ -972,53 +1012,54 @@ em_intr(void *arg) static void em_media_status(struct ifnet *ifp, struct ifmediareq *ifmr) { - struct adapter * adapter = ifp->if_softc; - - INIT_DEBUGOUT("em_media_status: begin"); - - em_check_for_link(&adapter->shared); - if(E1000_READ_REG(&adapter->shared, STATUS) & E1000_STATUS_LU) { - if(adapter->link_active == 0) { - em_get_speed_and_duplex(&adapter->shared, &adapter->link_speed, &adapter->link_duplex); - adapter->link_active = 1; - } - } - else { - if(adapter->link_active == 1) { - adapter->link_speed = 0; - adapter->link_duplex = 0; - adapter->link_active = 0; - } - } - - ifmr->ifm_status = IFM_AVALID; - ifmr->ifm_active = IFM_ETHER; - - if (!adapter->link_active) - return; - - ifmr->ifm_status |= IFM_ACTIVE; - - if (adapter->shared.media_type == em_media_type_fiber) { - ifmr->ifm_active |= IFM_1000_SX | IFM_FDX; - } else { - switch (adapter->link_speed) { - case 10: - ifmr->ifm_active |= IFM_10_T; - break; - case 100: - ifmr->ifm_active |= IFM_100_TX; - break; - case 1000: - ifmr->ifm_active |= IFM_1000_T; - break; - } - if (adapter->link_duplex == FULL_DUPLEX) - ifmr->ifm_active |= IFM_FDX; - else - ifmr->ifm_active |= IFM_HDX; - } - return; + struct adapter * adapter = ifp->if_softc; + + INIT_DEBUGOUT("em_media_status: begin"); + + em_check_for_link(&adapter->hw); + if (E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU) { + if (adapter->link_active == 0) { + em_get_speed_and_duplex(&adapter->hw, + &adapter->link_speed, + &adapter->link_duplex); + adapter->link_active = 1; + } + } else { + if (adapter->link_active == 1) { + adapter->link_speed = 0; + adapter->link_duplex = 0; + adapter->link_active = 0; + } + } + + ifmr->ifm_status = IFM_AVALID; + ifmr->ifm_active = IFM_ETHER; + + if (!adapter->link_active) + return; + + ifmr->ifm_status |= IFM_ACTIVE; + + if (adapter->hw.media_type == em_media_type_fiber) { + ifmr->ifm_active |= IFM_1000_SX | IFM_FDX; + } else { + switch (adapter->link_speed) { + case 10: + ifmr->ifm_active |= IFM_10_T; + break; + case 100: + ifmr->ifm_active |= IFM_100_TX; + break; + case 1000: + ifmr->ifm_active |= IFM_1000_T; + break; + } + if (adapter->link_duplex == FULL_DUPLEX) + ifmr->ifm_active |= IFM_FDX; + else + ifmr->ifm_active |= IFM_HDX; + } + return; } /********************************************************************* @@ -1032,51 +1073,47 @@ em_media_status(struct ifnet *ifp, struct ifmediareq *ifmr) static int em_media_change(struct ifnet *ifp) { - struct adapter * adapter = ifp->if_softc; - struct ifmedia *ifm = &adapter->media; - - INIT_DEBUGOUT("em_media_change: begin"); - - if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) - return(EINVAL); - - switch(IFM_SUBTYPE(ifm->ifm_media)) { - case IFM_AUTO: - if (adapter->shared.autoneg) - return 0; - else { - adapter->shared.autoneg = DO_AUTO_NEG; - adapter->shared.autoneg_advertised = AUTONEG_ADV_DEFAULT; - } - break; - case IFM_1000_SX: - case IFM_1000_T: - adapter->shared.autoneg = DO_AUTO_NEG; - adapter->shared.autoneg_advertised = ADVERTISE_1000_FULL; - break; - case IFM_100_TX: - adapter->shared.autoneg = FALSE; - adapter->shared.autoneg_advertised = 0; - if ((ifm->ifm_media & IFM_GMASK) == IFM_FDX) - adapter->shared.forced_speed_duplex = em_100_full; - else - adapter->shared.forced_speed_duplex = em_100_half; - break; - case IFM_10_T: - adapter->shared.autoneg = FALSE; - adapter->shared.autoneg_advertised = 0; - if ((ifm->ifm_media & IFM_GMASK) == IFM_FDX) - adapter->shared.forced_speed_duplex = em_10_full; - else - adapter->shared.forced_speed_duplex = em_10_half; - break; - default: - printf("em%d: Unsupported media type\n", adapter->unit); - } - - em_init(adapter); - - return(0); + struct adapter * adapter = ifp->if_softc; + struct ifmedia *ifm = &adapter->media; + + INIT_DEBUGOUT("em_media_change: begin"); + + if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) + return(EINVAL); + + switch (IFM_SUBTYPE(ifm->ifm_media)) { + case IFM_AUTO: + adapter->hw.autoneg = DO_AUTO_NEG; + adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT; + break; + case IFM_1000_SX: + case IFM_1000_T: + adapter->hw.autoneg = DO_AUTO_NEG; + adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL; + break; + case IFM_100_TX: + adapter->hw.autoneg = FALSE; + adapter->hw.autoneg_advertised = 0; + if ((ifm->ifm_media & IFM_GMASK) == IFM_FDX) + adapter->hw.forced_speed_duplex = em_100_full; + else + adapter->hw.forced_speed_duplex = em_100_half; + break; + case IFM_10_T: + adapter->hw.autoneg = FALSE; + adapter->hw.autoneg_advertised = 0; + if ((ifm->ifm_media & IFM_GMASK) == IFM_FDX) + adapter->hw.forced_speed_duplex = em_10_full; + else + adapter->hw.forced_speed_duplex = em_10_half; + break; + default: + printf("em%d: Unsupported media type\n", adapter->unit); + } + + em_init(adapter); + + return(0); } /* Section end: Other registered entry points */ @@ -1089,100 +1126,118 @@ em_media_change(struct ifnet *ifp) static void em_identify_hardware(struct adapter * adapter) { - device_t dev = adapter->dev; - - /* Make sure our PCI config space has the necessary stuff set */ - adapter->shared.pci_cmd_word = pci_read_config(dev, PCIR_COMMAND, 2); - if (!((adapter->shared.pci_cmd_word & PCIM_CMD_BUSMASTEREN) && - (adapter->shared.pci_cmd_word & PCIM_CMD_MEMEN))) { - printf("em%d: Memory Access and/or Bus Master bits were not set!\n", - adapter->unit); - adapter->shared.pci_cmd_word |= (PCIM_CMD_BUSMASTEREN | PCIM_CMD_MEMEN); - pci_write_config(dev, PCIR_COMMAND, adapter->shared.pci_cmd_word, 2); - } - - /* Save off the information about this board */ - adapter->shared.vendor_id = pci_get_vendor(dev); - adapter->shared.device_id = pci_get_device(dev); - adapter->shared.revision_id = pci_read_config(dev, PCIR_REVID, 1); - adapter->shared.subsystem_vendor_id = pci_read_config(dev, PCIR_SUBVEND_0, 2); - adapter->shared.subsystem_id = pci_read_config(dev, PCIR_SUBDEV_0, 2); - - - /* Set MacType, etc. based on this PCI info */ - switch (adapter->shared.device_id) { - case E1000_DEV_ID_82542: - adapter->shared.mac_type = (adapter->shared.revision_id == 3) ? - em_82542_rev2_1 : em_82542_rev2_0; - break; - case E1000_DEV_ID_82543GC_FIBER: - case E1000_DEV_ID_82543GC_COPPER: - adapter->shared.mac_type = em_82543; - break; - case E1000_DEV_ID_82544EI_FIBER: - case E1000_DEV_ID_82544EI_COPPER: - case E1000_DEV_ID_82544GC_COPPER: - case E1000_DEV_ID_82544GC_LOM: - adapter->shared.mac_type = em_82544; - break; - case E1000_DEV_ID_82540EM: - adapter->shared.mac_type = em_82540; - default: - INIT_DEBUGOUT1("Unknown device id 0x%x", adapter->shared.device_id); - } - return; + device_t dev = adapter->dev; + + /* Make sure our PCI config space has the necessary stuff set */ + adapter->hw.pci_cmd_word = pci_read_config(dev, PCIR_COMMAND, 2); + if (!((adapter->hw.pci_cmd_word & PCIM_CMD_BUSMASTEREN) && + (adapter->hw.pci_cmd_word & PCIM_CMD_MEMEN))) { + printf("em%d: Memory Access and/or Bus Master bits were not set!\n", + adapter->unit); + adapter->hw.pci_cmd_word |= + (PCIM_CMD_BUSMASTEREN | PCIM_CMD_MEMEN); + pci_write_config(dev, PCIR_COMMAND, adapter->hw.pci_cmd_word, 2); + } + + /* Save off the information about this board */ + adapter->hw.vendor_id = pci_get_vendor(dev); + adapter->hw.device_id = pci_get_device(dev); + adapter->hw.revision_id = pci_read_config(dev, PCIR_REVID, 1); + adapter->hw.subsystem_vendor_id = pci_read_config(dev, PCIR_SUBVEND_0, 2); + adapter->hw.subsystem_id = pci_read_config(dev, PCIR_SUBDEV_0, 2); + + + /* Set MacType, etc. based on this PCI info */ + switch (adapter->hw.device_id) { + case E1000_DEV_ID_82542: + adapter->hw.mac_type = (adapter->hw.revision_id == 3) ? + em_82542_rev2_1 : em_82542_rev2_0; + break; + case E1000_DEV_ID_82543GC_FIBER: + case E1000_DEV_ID_82543GC_COPPER: + adapter->hw.mac_type = em_82543; + break; + case E1000_DEV_ID_82544EI_FIBER: + case E1000_DEV_ID_82544EI_COPPER: + case E1000_DEV_ID_82544GC_COPPER: + case E1000_DEV_ID_82544GC_LOM: + adapter->hw.mac_type = em_82544; + break; + case E1000_DEV_ID_82540EM: + adapter->hw.mac_type = em_82540; + break; + case E1000_DEV_ID_82545EM_FIBER: + case E1000_DEV_ID_82545EM_COPPER: + adapter->hw.mac_type = em_82545; + break; + case E1000_DEV_ID_82546EB_FIBER: + case E1000_DEV_ID_82546EB_COPPER: + adapter->hw.mac_type = em_82546; + break; + default: + INIT_DEBUGOUT1("Unknown device id 0x%x", adapter->hw.device_id); + } + return; } static int em_allocate_pci_resources(struct adapter * adapter) { - int resource_id = EM_MMBA; - device_t dev = adapter->dev; - - adapter->res_memory = bus_alloc_resource(dev, SYS_RES_MEMORY, - &resource_id, 0, ~0, 1, - RF_ACTIVE); - if (!(adapter->res_memory)) { - printf("em%d: Unable to allocate bus resource: memory\n", adapter->unit); - return(ENXIO); - } - adapter->osdep.bus_space_tag = rman_get_bustag(adapter->res_memory); - adapter->osdep.bus_space_handle = rman_get_bushandle(adapter->res_memory); - adapter->shared.hw_addr = (uint8_t *)adapter->osdep.bus_space_handle; - - resource_id = 0x0; - adapter->res_interrupt = bus_alloc_resource(dev, SYS_RES_IRQ, - &resource_id, 0, ~0, 1, - RF_SHAREABLE | RF_ACTIVE); - if (!(adapter->res_interrupt)) { - printf("em%d: Unable to allocate bus resource: interrupt\n", adapter->unit); - return(ENXIO); - } - if (bus_setup_intr(dev, adapter->res_interrupt, INTR_TYPE_NET, - (void (*)(void *)) em_intr, adapter, - &adapter->int_handler_tag)) { - printf("em%d: Error registering interrupt handler!\n", adapter->unit); - return(ENXIO); - } - - adapter->shared.back = &adapter->osdep; - - return(0); + int resource_id = EM_MMBA; + device_t dev = adapter->dev; + + adapter->res_memory = bus_alloc_resource(dev, SYS_RES_MEMORY, + &resource_id, 0, ~0, 1, + RF_ACTIVE); + if (!(adapter->res_memory)) { + printf("em%d: Unable to allocate bus resource: memory\n", + adapter->unit); + return(ENXIO); + } + adapter->osdep.bus_space_tag = + rman_get_bustag(adapter->res_memory); + adapter->osdep.bus_space_handle = + rman_get_bushandle(adapter->res_memory); + adapter->hw.hw_addr = (uint8_t *)&adapter->osdep.bus_space_handle; + + resource_id = 0x0; + adapter->res_interrupt = bus_alloc_resource(dev, SYS_RES_IRQ, + &resource_id, 0, ~0, 1, + RF_SHAREABLE | RF_ACTIVE); + if (!(adapter->res_interrupt)) { + printf("em%d: Unable to allocate bus resource: interrupt\n", + adapter->unit); + return(ENXIO); + } + if (bus_setup_intr(dev, adapter->res_interrupt, INTR_TYPE_NET, + (void (*)(void *)) em_intr, adapter, + &adapter->int_handler_tag)) { + printf("em%d: Error registering interrupt handler!\n", + adapter->unit); + return(ENXIO); + } + + adapter->hw.back = &adapter->osdep; + + return(0); } static void em_free_pci_resources(struct adapter * adapter) { - device_t dev = adapter->dev; - - if(adapter->res_interrupt != NULL) { - bus_teardown_intr(dev, adapter->res_interrupt, adapter->int_handler_tag); - bus_release_resource(dev, SYS_RES_IRQ, 0, adapter->res_interrupt); - } - if (adapter->res_memory != NULL) { - bus_release_resource(dev, SYS_RES_MEMORY, EM_MMBA, adapter->res_memory); - } - return; + device_t dev = adapter->dev; + + if (adapter->res_interrupt != NULL) { + bus_teardown_intr(dev, adapter->res_interrupt, + adapter->int_handler_tag); + bus_release_resource(dev, SYS_RES_IRQ, 0, + adapter->res_interrupt); + } + if (adapter->res_memory != NULL) { + bus_release_resource(dev, SYS_RES_MEMORY, EM_MMBA, + adapter->res_memory); + } + return; } /********************************************************************* @@ -1196,57 +1251,54 @@ em_free_pci_resources(struct adapter * adapter) static int em_hardware_init(struct adapter * adapter) { - /* Issue a global reset */ - adapter->shared.adapter_stopped = FALSE; - em_adapter_stop(&adapter->shared); - adapter->shared.adapter_stopped = FALSE; - - /* Make sure we have a good EEPROM before we read from it */ - if (!em_validate_eeprom_checksum(&adapter->shared)) { - printf("em%d: The EEPROM Checksum Is Not Valid\n", adapter->unit); - return EIO; - } - /* Copy the permanent MAC address and part number out of the EEPROM */ - em_read_mac_address(adapter, adapter->interface_data.ac_enaddr); - memcpy(adapter->shared.mac_addr, adapter->interface_data.ac_enaddr, - ETH_LENGTH_OF_ADDRESS); - em_read_part_num(&adapter->shared, &(adapter->part_num)); - - if (!em_init_hw(&adapter->shared)) { - printf("em%d: Hardware Initialization Failed", adapter->unit); - return EIO; - } - - em_check_for_link(&adapter->shared); - if (E1000_READ_REG(&adapter->shared, STATUS) & E1000_STATUS_LU) - adapter->link_active = 1; - else - adapter->link_active = 0; - - if (adapter->link_active) { - em_get_speed_and_duplex(&adapter->shared, &adapter->link_speed, &adapter->link_duplex); - } else { - adapter->link_speed = 0; - adapter->link_duplex = 0; - } - - return 0; -} - -static void -em_read_mac_address(struct adapter * adapter, u_int8_t * NodeAddress) -{ - u_int16_t EepromWordValue; - int i; - - for (i = 0; i < NODE_ADDRESS_SIZE; i += 2) { - EepromWordValue = - em_read_eeprom(&adapter->shared, EEPROM_NODE_ADDRESS_BYTE_0 + (i / 2)); - NodeAddress[i] = (uint8_t) (EepromWordValue & 0x00FF); - NodeAddress[i + 1] = (uint8_t) (EepromWordValue >> 8); - } - - return; + /* Issue a global reset */ + em_reset_hw(&adapter->hw); + + /* Make sure we have a good EEPROM before we read from it */ + if (em_validate_eeprom_checksum(&adapter->hw) < 0) { + printf("em%d: The EEPROM Checksum Is Not Valid\n", + adapter->unit); + return(EIO); + } + /* Copy the permanent MAC address and part number out of the EEPROM */ + if (em_read_mac_addr(&adapter->hw) < 0) { + printf("em%d: EEPROM read error while reading mac address\n", + adapter->unit); + return(EIO); + } + + memcpy(adapter->interface_data.ac_enaddr, adapter->hw.mac_addr, + ETH_LENGTH_OF_ADDRESS); + + + if (em_read_part_num(&adapter->hw, &(adapter->part_num)) < 0) { + printf("em%d: EEPROM read error while reading part number\n", + adapter->unit); + return(EIO); + } + + if (em_init_hw(&adapter->hw) < 0) { + printf("em%d: Hardware Initialization Failed", + adapter->unit); + return(EIO); + } + + em_check_for_link(&adapter->hw); + if (E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU) + adapter->link_active = 1; + else + adapter->link_active = 0; + + if (adapter->link_active) { + em_get_speed_and_duplex(&adapter->hw, + &adapter->link_speed, + &adapter->link_duplex); + } else { + adapter->link_speed = 0; + adapter->link_duplex = 0; + } + + return(0); } /********************************************************************* @@ -1257,54 +1309,56 @@ em_read_mac_address(struct adapter * adapter, u_int8_t * NodeAddress) static void em_setup_interface(device_t dev, struct adapter * adapter) { - struct ifnet *ifp; - INIT_DEBUGOUT("em_setup_interface: begin"); - - ifp = &adapter->interface_data.ac_if; - ifp->if_unit = adapter->unit; - ifp->if_name = "em"; - ifp->if_mtu = ETHERMTU; - ifp->if_output = ether_output; - ifp->if_baudrate = 1000000000; - ifp->if_init = em_init; - ifp->if_softc = adapter; - ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; - ifp->if_ioctl = em_ioctl; - ifp->if_start = em_start; - ifp->if_watchdog = em_watchdog; - ifp->if_snd.ifq_maxlen = adapter->num_tx_desc - 1; - ether_ifattach(ifp, ETHER_BPF_SUPPORTED); - - if (adapter->shared.mac_type >= em_82543) { - ifp->if_capabilities = IFCAP_HWCSUM; - ifp->if_capenable = ifp->if_capabilities; - } - - /* - * Specify the media types supported by this adapter and register - * callbacks to update media and link information - */ - ifmedia_init(&adapter->media, IFM_IMASK, em_media_change, - em_media_status); - if (adapter->shared.media_type == em_media_type_fiber) { - ifmedia_add(&adapter->media, IFM_ETHER | IFM_1000_SX | IFM_FDX, 0, - NULL); - ifmedia_add(&adapter->media, IFM_ETHER | IFM_1000_SX , 0, NULL); - } else { - ifmedia_add(&adapter->media, IFM_ETHER | IFM_10_T, 0, NULL); - ifmedia_add(&adapter->media, IFM_ETHER | IFM_10_T | IFM_FDX, 0, - NULL); - ifmedia_add(&adapter->media, IFM_ETHER | IFM_100_TX, 0, NULL); - ifmedia_add(&adapter->media, IFM_ETHER | IFM_100_TX | IFM_FDX, 0, - NULL); - ifmedia_add(&adapter->media, IFM_ETHER | IFM_1000_T | IFM_FDX, 0, - NULL); - ifmedia_add(&adapter->media, IFM_ETHER | IFM_1000_T, 0, NULL); - } - ifmedia_add(&adapter->media, IFM_ETHER | IFM_AUTO, 0, NULL); - ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); - - return; + struct ifnet *ifp; + INIT_DEBUGOUT("em_setup_interface: begin"); + + ifp = &adapter->interface_data.ac_if; + ifp->if_unit = adapter->unit; + ifp->if_name = "em"; + ifp->if_mtu = ETHERMTU; + ifp->if_output = ether_output; + ifp->if_baudrate = 1000000000; + ifp->if_init = em_init; + ifp->if_softc = adapter; + ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; + ifp->if_ioctl = em_ioctl; + ifp->if_start = em_start; + ifp->if_watchdog = em_watchdog; + ifp->if_snd.ifq_maxlen = adapter->num_tx_desc - 1; + ether_ifattach(ifp, ETHER_BPF_SUPPORTED); + + if (adapter->hw.mac_type >= em_82543) { + ifp->if_capabilities = IFCAP_HWCSUM; + ifp->if_capenable = ifp->if_capabilities; + } + + /* + * Specify the media types supported by this adapter and register + * callbacks to update media and link information + */ + ifmedia_init(&adapter->media, IFM_IMASK, em_media_change, + em_media_status); + if (adapter->hw.media_type == em_media_type_fiber) { + ifmedia_add(&adapter->media, IFM_ETHER | IFM_1000_SX | IFM_FDX, + 0, NULL); + ifmedia_add(&adapter->media, IFM_ETHER | IFM_1000_SX, + 0, NULL); + } else { + ifmedia_add(&adapter->media, IFM_ETHER | IFM_10_T, 0, NULL); + ifmedia_add(&adapter->media, IFM_ETHER | IFM_10_T | IFM_FDX, + 0, NULL); + ifmedia_add(&adapter->media, IFM_ETHER | IFM_100_TX, + 0, NULL); + ifmedia_add(&adapter->media, IFM_ETHER | IFM_100_TX | IFM_FDX, + 0, NULL); + ifmedia_add(&adapter->media, IFM_ETHER | IFM_1000_T | IFM_FDX, + 0, NULL); + ifmedia_add(&adapter->media, IFM_ETHER | IFM_1000_T, 0, NULL); + } + ifmedia_add(&adapter->media, IFM_ETHER | IFM_AUTO, 0, NULL); + ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); + + return; } @@ -1317,18 +1371,19 @@ em_setup_interface(device_t dev, struct adapter * adapter) static int em_allocate_transmit_structures(struct adapter * adapter) { - if (!(adapter->tx_buffer_area = - (struct em_tx_buffer *) malloc(sizeof(struct em_tx_buffer) * - adapter->num_tx_desc, M_DEVBUF, - M_NOWAIT))) { - printf("em%d: Unable to allocate tx_buffer memory\n", adapter->unit); - return ENOMEM; - } - - bzero(adapter->tx_buffer_area, - sizeof(struct em_tx_buffer) * adapter->num_tx_desc); - - return 0; + if (!(adapter->tx_buffer_area = + (struct em_tx_buffer *) malloc(sizeof(struct em_tx_buffer) * + adapter->num_tx_desc, M_DEVBUF, + M_NOWAIT))) { + printf("em%d: Unable to allocate tx_buffer memory\n", + adapter->unit); + return ENOMEM; + } + + bzero(adapter->tx_buffer_area, + sizeof(struct em_tx_buffer) * adapter->num_tx_desc); + + return 0; } /********************************************************************* @@ -1339,42 +1394,43 @@ em_allocate_transmit_structures(struct adapter * adapter) static int em_setup_transmit_structures(struct adapter * adapter) { - struct em_tx_buffer *tx_buffer; - int i; + struct em_tx_buffer *tx_buffer; + int i; + + if (em_allocate_transmit_structures(adapter)) + return ENOMEM; - if (em_allocate_transmit_structures(adapter)) - return ENOMEM; + adapter->first_tx_desc = adapter->tx_desc_base; + adapter->last_tx_desc = + adapter->first_tx_desc + (adapter->num_tx_desc - 1); - adapter->first_tx_desc = adapter->tx_desc_base; - adapter->last_tx_desc = - adapter->first_tx_desc + (adapter->num_tx_desc - 1); - - STAILQ_INIT(&adapter->free_tx_buffer_list); - STAILQ_INIT(&adapter->used_tx_buffer_list); + STAILQ_INIT(&adapter->free_tx_buffer_list); + STAILQ_INIT(&adapter->used_tx_buffer_list); - tx_buffer = adapter->tx_buffer_area; + tx_buffer = adapter->tx_buffer_area; - /* Setup the linked list of the tx_buffer's */ - for (i = 0; i < adapter->num_tx_desc; i++, tx_buffer++) { - bzero((void *) tx_buffer, sizeof(struct em_tx_buffer)); - STAILQ_INSERT_TAIL(&adapter->free_tx_buffer_list, tx_buffer, em_tx_entry); - } + /* Setup the linked list of the tx_buffer's */ + for (i = 0; i < adapter->num_tx_desc; i++, tx_buffer++) { + bzero((void *) tx_buffer, sizeof(struct em_tx_buffer)); + STAILQ_INSERT_TAIL(&adapter->free_tx_buffer_list, + tx_buffer, em_tx_entry); + } - bzero((void *) adapter->first_tx_desc, - (sizeof(struct em_tx_desc)) * adapter->num_tx_desc); + bzero((void *) adapter->first_tx_desc, + (sizeof(struct em_tx_desc)) * adapter->num_tx_desc); - /* Setup TX descriptor pointers */ - adapter->next_avail_tx_desc = adapter->first_tx_desc; - adapter->oldest_used_tx_desc = adapter->first_tx_desc; + /* Setup TX descriptor pointers */ + adapter->next_avail_tx_desc = adapter->first_tx_desc; + adapter->oldest_used_tx_desc = adapter->first_tx_desc; - /* Set number of descriptors available */ - adapter->num_tx_desc_avail = adapter->num_tx_desc; + /* Set number of descriptors available */ + adapter->num_tx_desc_avail = adapter->num_tx_desc; - /* Set checksum context */ - adapter->active_checksum_context = OFFLOAD_NONE; + /* Set checksum context */ + adapter->active_checksum_context = OFFLOAD_NONE; - return 0; + return 0; } /********************************************************************* @@ -1385,70 +1441,75 @@ em_setup_transmit_structures(struct adapter * adapter) static void em_initialize_transmit_unit(struct adapter * adapter) { - u_int32_t reg_tctl; - u_int32_t reg_tipg = 0; - - /* Setup the Base and Length of the Tx Descriptor Ring */ - E1000_WRITE_REG(&adapter->shared, TDBAL, vtophys((vm_offset_t) adapter->tx_desc_base)); - E1000_WRITE_REG(&adapter->shared, TDBAH, 0); - E1000_WRITE_REG(&adapter->shared, TDLEN, adapter->num_tx_desc * - sizeof(struct em_tx_desc)); - - /* Setup the HW Tx Head and Tail descriptor pointers */ - E1000_WRITE_REG(&adapter->shared, TDH, 0); - E1000_WRITE_REG(&adapter->shared, TDT, 0); - - - HW_DEBUGOUT2("Base = %x, Length = %x\n", E1000_READ_REG(&adapter->shared, TDBAL), - E1000_READ_REG(&adapter->shared, TDLEN)); - - - /* Set the default values for the Tx Inter Packet Gap timer */ - switch (adapter->shared.mac_type) { - case em_82543: - case em_82544: - case em_82540: - if (adapter->shared.media_type == em_media_type_fiber) - reg_tipg = DEFAULT_82543_TIPG_IPGT_FIBER; - else - reg_tipg = DEFAULT_82543_TIPG_IPGT_COPPER; - reg_tipg |= DEFAULT_82543_TIPG_IPGR1 << E1000_TIPG_IPGR1_SHIFT; - reg_tipg |= DEFAULT_82543_TIPG_IPGR2 << E1000_TIPG_IPGR2_SHIFT; - break; - case em_82542_rev2_0: - case em_82542_rev2_1: - reg_tipg = DEFAULT_82542_TIPG_IPGT; - reg_tipg |= DEFAULT_82542_TIPG_IPGR1 << E1000_TIPG_IPGR1_SHIFT; - reg_tipg |= DEFAULT_82542_TIPG_IPGR2 << E1000_TIPG_IPGR2_SHIFT; - break; - default: - printf("em%d: Invalid mac type detected\n", adapter->unit); - } - E1000_WRITE_REG(&adapter->shared, TIPG, reg_tipg); - E1000_WRITE_REG(&adapter->shared, TIDV, adapter->tx_int_delay); - - /* Program the Transmit Control Register */ - reg_tctl = E1000_TCTL_PSP | E1000_TCTL_EN | - (E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT); - if (adapter->link_duplex == 1) { - reg_tctl |= E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT; - } else { - reg_tctl |= E1000_HDX_COLLISION_DISTANCE << E1000_COLD_SHIFT; - } - E1000_WRITE_REG(&adapter->shared, TCTL, reg_tctl); - - /* Setup Transmit Descriptor Settings for this adapter */ - adapter->txd_cmd = E1000_TXD_CMD_IFCS; - - if(adapter->tx_int_delay > 0) - adapter->txd_cmd |= E1000_TXD_CMD_IDE; - - if(adapter->shared.report_tx_early == 1) - adapter->txd_cmd |= E1000_TXD_CMD_RS; - else - adapter->txd_cmd |= E1000_TXD_CMD_RPS; - - return; + u_int32_t reg_tctl; + u_int32_t reg_tipg = 0; + + /* Setup the Base and Length of the Tx Descriptor Ring */ + E1000_WRITE_REG(&adapter->hw, TDBAL, + vtophys((vm_offset_t) adapter->tx_desc_base)); + E1000_WRITE_REG(&adapter->hw, TDBAH, 0); + E1000_WRITE_REG(&adapter->hw, TDLEN, + adapter->num_tx_desc * + sizeof(struct em_tx_desc)); + + /* Setup the HW Tx Head and Tail descriptor pointers */ + E1000_WRITE_REG(&adapter->hw, TDH, 0); + E1000_WRITE_REG(&adapter->hw, TDT, 0); + + + HW_DEBUGOUT2("Base = %x, Length = %x\n", + E1000_READ_REG(&adapter->hw, TDBAL), + E1000_READ_REG(&adapter->hw, TDLEN)); + + + /* Set the default values for the Tx Inter Packet Gap timer */ + switch (adapter->hw.mac_type) { + case em_82543: + case em_82544: + case em_82540: + case em_82545: + case em_82546: + if (adapter->hw.media_type == em_media_type_fiber) + reg_tipg = DEFAULT_82543_TIPG_IPGT_FIBER; + else + reg_tipg = DEFAULT_82543_TIPG_IPGT_COPPER; + reg_tipg |= DEFAULT_82543_TIPG_IPGR1 << E1000_TIPG_IPGR1_SHIFT; + reg_tipg |= DEFAULT_82543_TIPG_IPGR2 << E1000_TIPG_IPGR2_SHIFT; + break; + case em_82542_rev2_0: + case em_82542_rev2_1: + reg_tipg = DEFAULT_82542_TIPG_IPGT; + reg_tipg |= DEFAULT_82542_TIPG_IPGR1 << E1000_TIPG_IPGR1_SHIFT; + reg_tipg |= DEFAULT_82542_TIPG_IPGR2 << E1000_TIPG_IPGR2_SHIFT; + break; + default: + printf("em%d: Invalid mac type detected\n", adapter->unit); + } + E1000_WRITE_REG(&adapter->hw, TIPG, reg_tipg); + E1000_WRITE_REG(&adapter->hw, TIDV, adapter->tx_int_delay); + + /* Program the Transmit Control Register */ + reg_tctl = E1000_TCTL_PSP | E1000_TCTL_EN | + (E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT); + if (adapter->link_duplex == 1) { + reg_tctl |= E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT; + } else { + reg_tctl |= E1000_HDX_COLLISION_DISTANCE << E1000_COLD_SHIFT; + } + E1000_WRITE_REG(&adapter->hw, TCTL, reg_tctl); + + /* Setup Transmit Descriptor Settings for this adapter */ + adapter->txd_cmd = E1000_TXD_CMD_IFCS; + + if (adapter->tx_int_delay > 0) + adapter->txd_cmd |= E1000_TXD_CMD_IDE; + + if (adapter->hw.report_tx_early == 1) + adapter->txd_cmd |= E1000_TXD_CMD_RS; + else + adapter->txd_cmd |= E1000_TXD_CMD_RPS; + + return; } /********************************************************************* @@ -1459,24 +1520,24 @@ em_initialize_transmit_unit(struct adapter * adapter) static void em_free_transmit_structures(struct adapter * adapter) { - struct em_tx_buffer *tx_buffer; - int i; - - INIT_DEBUGOUT("free_transmit_structures: begin"); - - if (adapter->tx_buffer_area != NULL) { - tx_buffer = adapter->tx_buffer_area; - for (i = 0; i < adapter->num_tx_desc; i++, tx_buffer++) { - if (tx_buffer->m_head != NULL) - m_freem(tx_buffer->m_head); - tx_buffer->m_head = NULL; - } - } - if (adapter->tx_buffer_area != NULL) { - free(adapter->tx_buffer_area, M_DEVBUF); - adapter->tx_buffer_area = NULL; - } - return; + struct em_tx_buffer *tx_buffer; + int i; + + INIT_DEBUGOUT("free_transmit_structures: begin"); + + if (adapter->tx_buffer_area != NULL) { + tx_buffer = adapter->tx_buffer_area; + for (i = 0; i < adapter->num_tx_desc; i++, tx_buffer++) { + if (tx_buffer->m_head != NULL) + m_freem(tx_buffer->m_head); + tx_buffer->m_head = NULL; + } + } + if (adapter->tx_buffer_area != NULL) { + free(adapter->tx_buffer_area, M_DEVBUF); + adapter->tx_buffer_area = NULL; + } + return; } /********************************************************************* @@ -1488,76 +1549,80 @@ em_free_transmit_structures(struct adapter * adapter) **********************************************************************/ static void em_transmit_checksum_setup(struct adapter * adapter, - struct mbuf *mp, - struct em_tx_buffer *tx_buffer, - u_int32_t *txd_upper, - u_int32_t *txd_lower) + struct mbuf *mp, + struct em_tx_buffer *tx_buffer, + u_int32_t *txd_upper, + u_int32_t *txd_lower) { - struct em_context_desc *TXD; - struct em_tx_desc * current_tx_desc; - - if (mp->m_pkthdr.csum_flags) { - - if(mp->m_pkthdr.csum_flags & CSUM_TCP) { - *txd_upper = E1000_TXD_POPTS_TXSM << 8; - *txd_lower = E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D; - if(adapter->active_checksum_context == OFFLOAD_TCP_IP) - return; - else - adapter->active_checksum_context = OFFLOAD_TCP_IP; - - } else if(mp->m_pkthdr.csum_flags & CSUM_UDP) { - *txd_upper = E1000_TXD_POPTS_TXSM << 8; - *txd_lower = E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D; - if(adapter->active_checksum_context == OFFLOAD_UDP_IP) - return; - else - adapter->active_checksum_context = OFFLOAD_UDP_IP; - } else { - *txd_upper = 0; - *txd_lower = 0; - return; - } - } - else { - *txd_upper = 0; - *txd_lower = 0; - return; - } - - /* If we reach this point, the checksum offload context - * needs to be reset. - */ - current_tx_desc = adapter->next_avail_tx_desc; - TXD = (struct em_context_desc *)current_tx_desc; - - TXD->lower_setup.ip_fields.ipcss = ETHER_HDR_LEN; - TXD->lower_setup.ip_fields.ipcso = ETHER_HDR_LEN + offsetof(struct ip, ip_sum); - TXD->lower_setup.ip_fields.ipcse = ETHER_HDR_LEN + sizeof(struct ip) - 1; - - TXD->upper_setup.tcp_fields.tucss = ETHER_HDR_LEN + sizeof(struct ip); - TXD->upper_setup.tcp_fields.tucse = 0; - - if(adapter->active_checksum_context == OFFLOAD_TCP_IP) { - TXD->upper_setup.tcp_fields.tucso = ETHER_HDR_LEN + sizeof(struct ip) + - offsetof(struct tcphdr, th_sum); - } else if (adapter->active_checksum_context == OFFLOAD_UDP_IP) { - TXD->upper_setup.tcp_fields.tucso = ETHER_HDR_LEN + sizeof(struct ip) + - offsetof(struct udphdr, uh_sum); - } - - TXD->tcp_seg_setup.data = 0; - TXD->cmd_and_length = E1000_TXD_CMD_DEXT; - - if (current_tx_desc == adapter->last_tx_desc) - adapter->next_avail_tx_desc = adapter->first_tx_desc; - else - adapter->next_avail_tx_desc++; - - adapter->num_tx_desc_avail--; - - tx_buffer->num_tx_desc_used++; - return; + struct em_context_desc *TXD; + struct em_tx_desc * current_tx_desc; + + if (mp->m_pkthdr.csum_flags) { + + if (mp->m_pkthdr.csum_flags & CSUM_TCP) { + *txd_upper = E1000_TXD_POPTS_TXSM << 8; + *txd_lower = E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D; + if (adapter->active_checksum_context == OFFLOAD_TCP_IP) + return; + else + adapter->active_checksum_context = OFFLOAD_TCP_IP; + + } else if (mp->m_pkthdr.csum_flags & CSUM_UDP) { + *txd_upper = E1000_TXD_POPTS_TXSM << 8; + *txd_lower = E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D; + if (adapter->active_checksum_context == OFFLOAD_UDP_IP) + return; + else + adapter->active_checksum_context = OFFLOAD_UDP_IP; + } else { + *txd_upper = 0; + *txd_lower = 0; + return; + } + } else { + *txd_upper = 0; + *txd_lower = 0; + return; + } + + /* If we reach this point, the checksum offload context + * needs to be reset. + */ + current_tx_desc = adapter->next_avail_tx_desc; + TXD = (struct em_context_desc *)current_tx_desc; + + TXD->lower_setup.ip_fields.ipcss = ETHER_HDR_LEN; + TXD->lower_setup.ip_fields.ipcso = + ETHER_HDR_LEN + offsetof(struct ip, ip_sum); + TXD->lower_setup.ip_fields.ipcse = + ETHER_HDR_LEN + sizeof(struct ip) - 1; + + TXD->upper_setup.tcp_fields.tucss = + ETHER_HDR_LEN + sizeof(struct ip); + TXD->upper_setup.tcp_fields.tucse = 0; + + if (adapter->active_checksum_context == OFFLOAD_TCP_IP) { + TXD->upper_setup.tcp_fields.tucso = + ETHER_HDR_LEN + sizeof(struct ip) + + offsetof(struct tcphdr, th_sum); + } else if (adapter->active_checksum_context == OFFLOAD_UDP_IP) { + TXD->upper_setup.tcp_fields.tucso = + ETHER_HDR_LEN + sizeof(struct ip) + + offsetof(struct udphdr, uh_sum); + } + + TXD->tcp_seg_setup.data = 0; + TXD->cmd_and_length = E1000_TXD_CMD_DEXT; + + if (current_tx_desc == adapter->last_tx_desc) + adapter->next_avail_tx_desc = adapter->first_tx_desc; + else + adapter->next_avail_tx_desc++; + + adapter->num_tx_desc_avail--; + + tx_buffer->num_tx_desc_used++; + return; } @@ -1568,41 +1633,41 @@ em_transmit_checksum_setup(struct adapter * adapter, **********************************************************************/ static int em_get_buf(struct em_rx_buffer *rx_buffer, struct adapter *adapter, - struct mbuf *mp) + struct mbuf *mp) { - struct mbuf *nmp; - struct ifnet *ifp; - - ifp = &adapter->interface_data.ac_if; - - if (mp == NULL) { - MGETHDR(nmp, M_DONTWAIT, MT_DATA); - if (nmp == NULL) { - adapter->mbuf_alloc_failed++; - return (ENOBUFS); - } - MCLGET(nmp, M_DONTWAIT); - if ((nmp->m_flags & M_EXT) == 0) { - m_freem(nmp); - adapter->mbuf_cluster_failed++; - return (ENOBUFS); - } - nmp->m_len = nmp->m_pkthdr.len = MCLBYTES; - } else { - nmp = mp; - nmp->m_len = nmp->m_pkthdr.len = MCLBYTES; - nmp->m_data = nmp->m_ext.ext_buf; - nmp->m_next = NULL; - } - - if (ifp->if_mtu <= ETHERMTU) { - m_adj(nmp, ETHER_ALIGN); - } - - rx_buffer->m_head = nmp; - rx_buffer->buffer_addr = vtophys(mtod(nmp, vm_offset_t)); - - return (0); + struct mbuf *nmp; + struct ifnet *ifp; + + ifp = &adapter->interface_data.ac_if; + + if (mp == NULL) { + MGETHDR(nmp, M_DONTWAIT, MT_DATA); + if (nmp == NULL) { + adapter->mbuf_alloc_failed++; + return(ENOBUFS); + } + MCLGET(nmp, M_DONTWAIT); + if ((nmp->m_flags & M_EXT) == 0) { + m_freem(nmp); + adapter->mbuf_cluster_failed++; + return(ENOBUFS); + } + nmp->m_len = nmp->m_pkthdr.len = MCLBYTES; + } else { + nmp = mp; + nmp->m_len = nmp->m_pkthdr.len = MCLBYTES; + nmp->m_data = nmp->m_ext.ext_buf; + nmp->m_next = NULL; + } + + if (ifp->if_mtu <= ETHERMTU) { + m_adj(nmp, ETHER_ALIGN); + } + + rx_buffer->m_head = nmp; + rx_buffer->buffer_addr = vtophys(mtod(nmp, vm_offset_t)); + + return(0); } /********************************************************************* @@ -1616,30 +1681,31 @@ em_get_buf(struct em_rx_buffer *rx_buffer, struct adapter *adapter, static int em_allocate_receive_structures(struct adapter * adapter) { - int i; - struct em_rx_buffer *rx_buffer; - - if (!(adapter->rx_buffer_area = - (struct em_rx_buffer *) malloc(sizeof(struct em_rx_buffer) * - adapter->num_rx_desc, M_DEVBUF, - M_NOWAIT))) { - printf("em%d: Unable to allocate rx_buffer memory\n", adapter->unit); - return (ENOMEM); - } - - bzero(adapter->rx_buffer_area, - sizeof(struct em_rx_buffer) * adapter->num_rx_desc); - - for (i = 0, rx_buffer = adapter->rx_buffer_area; - i < adapter->num_rx_desc; i++, rx_buffer++) { - - if (em_get_buf(rx_buffer, adapter, NULL) == ENOBUFS) { - rx_buffer->m_head = NULL; - return (ENOBUFS); - } - } - - return (0); + int i; + struct em_rx_buffer *rx_buffer; + + if (!(adapter->rx_buffer_area = + (struct em_rx_buffer *) malloc(sizeof(struct em_rx_buffer) * + adapter->num_rx_desc, M_DEVBUF, + M_NOWAIT))) { + printf("em%d: Unable to allocate rx_buffer memory\n", + adapter->unit); + return(ENOMEM); + } + + bzero(adapter->rx_buffer_area, + sizeof(struct em_rx_buffer) * adapter->num_rx_desc); + + for (i = 0, rx_buffer = adapter->rx_buffer_area; + i < adapter->num_rx_desc; i++, rx_buffer++) { + + if (em_get_buf(rx_buffer, adapter, NULL) == ENOBUFS) { + rx_buffer->m_head = NULL; + return(ENOBUFS); + } + } + + return(0); } /********************************************************************* @@ -1650,41 +1716,43 @@ em_allocate_receive_structures(struct adapter * adapter) static int em_setup_receive_structures(struct adapter * adapter) { - struct em_rx_buffer *rx_buffer; - struct em_rx_desc *rx_desc; - int i; - - if(em_allocate_receive_structures(adapter)) - return ENOMEM; - - STAILQ_INIT(&adapter->rx_buffer_list); - - adapter->first_rx_desc = - (struct em_rx_desc *) adapter->rx_desc_base; - adapter->last_rx_desc = - adapter->first_rx_desc + (adapter->num_rx_desc - 1); - - rx_buffer = (struct em_rx_buffer *) adapter->rx_buffer_area; - - bzero((void *) adapter->first_rx_desc, - (sizeof(struct em_rx_desc)) * adapter->num_rx_desc); - - /* Build a linked list of rx_buffer's */ - for (i = 0, rx_desc = adapter->first_rx_desc; - i < adapter->num_rx_desc; - i++, rx_buffer++, rx_desc++) { - if (rx_buffer->m_head == NULL) - printf("em%d: Receive buffer memory not allocated", adapter->unit); - else { - rx_desc->buffer_addr = rx_buffer->buffer_addr; - STAILQ_INSERT_TAIL(&adapter->rx_buffer_list, rx_buffer, em_rx_entry); - } - } - - /* Setup our descriptor pointers */ - adapter->next_rx_desc_to_check = adapter->first_rx_desc; - - return(0); + struct em_rx_buffer *rx_buffer; + struct em_rx_desc *rx_desc; + int i; + + if (em_allocate_receive_structures(adapter)) + return ENOMEM; + + STAILQ_INIT(&adapter->rx_buffer_list); + + adapter->first_rx_desc = + (struct em_rx_desc *) adapter->rx_desc_base; + adapter->last_rx_desc = + adapter->first_rx_desc + (adapter->num_rx_desc - 1); + + rx_buffer = (struct em_rx_buffer *) adapter->rx_buffer_area; + + bzero((void *) adapter->first_rx_desc, + (sizeof(struct em_rx_desc)) * adapter->num_rx_desc); + + /* Build a linked list of rx_buffer's */ + for (i = 0, rx_desc = adapter->first_rx_desc; + i < adapter->num_rx_desc; + i++, rx_buffer++, rx_desc++) { + if (rx_buffer->m_head == NULL) + printf("em%d: Receive buffer memory not allocated", + adapter->unit); + else { + rx_desc->buffer_addr = rx_buffer->buffer_addr; + STAILQ_INSERT_TAIL(&adapter->rx_buffer_list, + rx_buffer, em_rx_entry); + } + } + + /* Setup our descriptor pointers */ + adapter->next_rx_desc_to_check = adapter->first_rx_desc; + + return(0); } /********************************************************************* @@ -1695,67 +1763,70 @@ em_setup_receive_structures(struct adapter * adapter) static void em_initialize_receive_unit(struct adapter * adapter) { - u_int32_t reg_rctl; - u_int32_t reg_rxcsum; - struct ifnet *ifp; - - ifp = &adapter->interface_data.ac_if; - - /* Make sure receives are disabled while setting up the descriptor ring */ - E1000_WRITE_REG(&adapter->shared, RCTL, 0); - - /* Set the Receive Delay Timer Register */ - E1000_WRITE_REG(&adapter->shared, RDTR, adapter->rx_int_delay | E1000_RDT_FPDB); - - /* Setup the Base and Length of the Rx Descriptor Ring */ - E1000_WRITE_REG(&adapter->shared, RDBAL, vtophys((vm_offset_t) adapter->rx_desc_base)); - E1000_WRITE_REG(&adapter->shared, RDBAH, 0); - E1000_WRITE_REG(&adapter->shared, RDLEN, adapter->num_rx_desc * - sizeof(struct em_rx_desc)); - - /* Setup the HW Rx Head and Tail Descriptor Pointers */ - E1000_WRITE_REG(&adapter->shared, RDH, 0); - E1000_WRITE_REG(&adapter->shared, RDT, - (((uintptr_t) adapter->last_rx_desc - - (uintptr_t) adapter->first_rx_desc) >> 4)); - - /* Setup the Receive Control Register */ - reg_rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_LBM_NO | - E1000_RCTL_RDMTS_HALF | - (adapter->shared.mc_filter_type << E1000_RCTL_MO_SHIFT); - - if (adapter->shared.tbi_compatibility_on == TRUE) - reg_rctl |= E1000_RCTL_SBP; - - - switch (adapter->rx_buffer_len) { - case EM_RXBUFFER_2048: - reg_rctl |= E1000_RCTL_SZ_2048 | E1000_RCTL_LPE; - break; - case EM_RXBUFFER_4096: - reg_rctl |= E1000_RCTL_SZ_4096 | E1000_RCTL_BSEX | E1000_RCTL_LPE; - break; - case EM_RXBUFFER_8192: - reg_rctl |= E1000_RCTL_SZ_8192 | E1000_RCTL_BSEX | E1000_RCTL_LPE; - break; - case EM_RXBUFFER_16384: - reg_rctl |= E1000_RCTL_SZ_16384 | E1000_RCTL_BSEX | E1000_RCTL_LPE; - break; - default: - reg_rctl |= E1000_RCTL_SZ_2048; - } - - /* Enable 82543 Receive Checksum Offload for TCP and UDP */ - if((adapter->shared.mac_type >= em_82543) && (ifp->if_capenable & IFCAP_RXCSUM)) { - reg_rxcsum = E1000_READ_REG(&adapter->shared, RXCSUM); - reg_rxcsum |= (E1000_RXCSUM_IPOFL | E1000_RXCSUM_TUOFL); - E1000_WRITE_REG(&adapter->shared, RXCSUM, reg_rxcsum); - } - - /* Enable Receives */ - E1000_WRITE_REG(&adapter->shared, RCTL, reg_rctl); - - return; + u_int32_t reg_rctl; + u_int32_t reg_rxcsum; + struct ifnet *ifp; + + ifp = &adapter->interface_data.ac_if; + + /* Make sure receives are disabled while setting up the descriptor ring */ + E1000_WRITE_REG(&adapter->hw, RCTL, 0); + + /* Set the Receive Delay Timer Register */ + E1000_WRITE_REG(&adapter->hw, RDTR, + adapter->rx_int_delay | E1000_RDT_FPDB); + + /* Setup the Base and Length of the Rx Descriptor Ring */ + E1000_WRITE_REG(&adapter->hw, RDBAL, + vtophys((vm_offset_t) adapter->rx_desc_base)); + E1000_WRITE_REG(&adapter->hw, RDBAH, 0); + E1000_WRITE_REG(&adapter->hw, RDLEN, adapter->num_rx_desc * + sizeof(struct em_rx_desc)); + + /* Setup the HW Rx Head and Tail Descriptor Pointers */ + E1000_WRITE_REG(&adapter->hw, RDH, 0); + E1000_WRITE_REG(&adapter->hw, RDT, + (((uintptr_t) adapter->last_rx_desc - + (uintptr_t) adapter->first_rx_desc) >> 4)); + + /* Setup the Receive Control Register */ + reg_rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_LBM_NO | + E1000_RCTL_RDMTS_HALF | + (adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT); + + if (adapter->hw.tbi_compatibility_on == TRUE) + reg_rctl |= E1000_RCTL_SBP; + + + switch (adapter->rx_buffer_len) { + case EM_RXBUFFER_2048: + reg_rctl |= E1000_RCTL_SZ_2048 | E1000_RCTL_LPE; + break; + case EM_RXBUFFER_4096: + reg_rctl |= E1000_RCTL_SZ_4096 | E1000_RCTL_BSEX | E1000_RCTL_LPE; + break; + case EM_RXBUFFER_8192: + reg_rctl |= E1000_RCTL_SZ_8192 | E1000_RCTL_BSEX | E1000_RCTL_LPE; + break; + case EM_RXBUFFER_16384: + reg_rctl |= E1000_RCTL_SZ_16384 | E1000_RCTL_BSEX | E1000_RCTL_LPE; + break; + default: + reg_rctl |= E1000_RCTL_SZ_2048; + } + + /* Enable 82543 Receive Checksum Offload for TCP and UDP */ + if ((adapter->hw.mac_type >= em_82543) && + (ifp->if_capenable & IFCAP_RXCSUM)) { + reg_rxcsum = E1000_READ_REG(&adapter->hw, RXCSUM); + reg_rxcsum |= (E1000_RXCSUM_IPOFL | E1000_RXCSUM_TUOFL); + E1000_WRITE_REG(&adapter->hw, RXCSUM, reg_rxcsum); + } + + /* Enable Receives */ + E1000_WRITE_REG(&adapter->hw, RCTL, reg_rctl); + + return; } /********************************************************************* @@ -1766,24 +1837,24 @@ em_initialize_receive_unit(struct adapter * adapter) static void em_free_receive_structures(struct adapter * adapter) { - struct em_rx_buffer *rx_buffer; - int i; - - INIT_DEBUGOUT("free_receive_structures: begin"); - - if (adapter->rx_buffer_area != NULL) { - rx_buffer = adapter->rx_buffer_area; - for (i = 0; i < adapter->num_rx_desc; i++, rx_buffer++) { - if (rx_buffer->m_head != NULL) - m_freem(rx_buffer->m_head); - rx_buffer->m_head = NULL; - } - } - if (adapter->rx_buffer_area != NULL) { - free(adapter->rx_buffer_area, M_DEVBUF); - adapter->rx_buffer_area = NULL; - } - return; + struct em_rx_buffer *rx_buffer; + int i; + + INIT_DEBUGOUT("free_receive_structures: begin"); + + if (adapter->rx_buffer_area != NULL) { + rx_buffer = adapter->rx_buffer_area; + for (i = 0; i < adapter->num_rx_desc; i++, rx_buffer++) { + if (rx_buffer->m_head != NULL) + m_freem(rx_buffer->m_head); + rx_buffer->m_head = NULL; + } + } + if (adapter->rx_buffer_area != NULL) { + free(adapter->rx_buffer_area, M_DEVBUF); + adapter->rx_buffer_area = NULL; + } + return; } /********************************************************************* @@ -1796,147 +1867,155 @@ em_free_receive_structures(struct adapter * adapter) static void em_process_receive_interrupts(struct adapter * adapter) { - struct mbuf *mp; - struct ifnet *ifp; - struct ether_header *eh; - u_int16_t len; - u_int8_t last_byte; - u_int8_t accept_frame = 0; - u_int8_t eop = 0; - u_int32_t pkt_len = 0; - - /* Pointer to the receive descriptor being examined. */ - struct em_rx_desc *current_desc; - struct em_rx_desc *last_desc_processed; - struct em_rx_buffer *rx_buffer; - - ifp = &adapter->interface_data.ac_if; - current_desc = adapter->next_rx_desc_to_check; - - if (!((current_desc->status) & E1000_RXD_STAT_DD)) { + struct mbuf *mp; + struct ifnet *ifp; + struct ether_header *eh; + u_int16_t len; + u_int8_t last_byte; + u_int8_t accept_frame = 0; + u_int8_t eop = 0; + u_int32_t pkt_len = 0; + + /* Pointer to the receive descriptor being examined. */ + struct em_rx_desc *current_desc; + struct em_rx_desc *last_desc_processed; + struct em_rx_buffer *rx_buffer; + + ifp = &adapter->interface_data.ac_if; + current_desc = adapter->next_rx_desc_to_check; + + if (!((current_desc->status) & E1000_RXD_STAT_DD)) { #ifdef DBG_STATS - adapter->no_pkts_avail++; + adapter->no_pkts_avail++; #endif - return; - } - - while (current_desc->status & E1000_RXD_STAT_DD) { - - /* Get a pointer to the actual receive buffer */ - rx_buffer = STAILQ_FIRST(&adapter->rx_buffer_list); - - if(rx_buffer == NULL) { - printf("em%d: Found null rx_buffer\n", adapter->unit); - return; - } - - mp = rx_buffer->m_head; - accept_frame = 1; - - if (current_desc->status & E1000_RXD_STAT_EOP) { - eop = 1; - len = current_desc->length - ETHER_CRC_LEN; - } - else { - eop = 0; - len = current_desc->length; - } - - if(current_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK) { - - /* Compute packet length for tbi_accept macro */ - pkt_len = current_desc->length; - if (adapter->fmp != NULL) { - pkt_len += adapter->fmp->m_pkthdr.len; - } - - last_byte = *(mtod(rx_buffer->m_head,caddr_t) + current_desc->length - 1); - - if (TBI_ACCEPT(&adapter->shared, current_desc->status, - current_desc->errors, - pkt_len, last_byte)) { - pkt_len = em_tbi_adjust_stats(&adapter->shared, &adapter->stats, - pkt_len, adapter->shared.mac_addr); - len--; - } else { - accept_frame = 0; - } - } - - if (accept_frame) { - - if (em_get_buf(rx_buffer, adapter, NULL) == ENOBUFS) { - adapter->dropped_pkts++; - em_get_buf(rx_buffer, adapter, mp); - if(adapter->fmp != NULL) m_freem(adapter->fmp); - adapter->fmp = NULL; - adapter->lmp = NULL; - break; - } - - /* Assign correct length to the current fragment */ - mp->m_len = len; - - if(adapter->fmp == NULL) { - mp->m_pkthdr.len = len; - adapter->fmp = mp; /* Store the first mbuf */ - adapter->lmp = mp; - } - else { - /* Chain mbuf's together */ - mp->m_flags &= ~M_PKTHDR; - adapter->lmp->m_next = mp; - adapter->lmp = adapter->lmp->m_next; - adapter->fmp->m_pkthdr.len += len; - } - - if (eop) { - adapter->fmp->m_pkthdr.rcvif = ifp; - - eh = mtod(adapter->fmp, struct ether_header *); - - /* Remove ethernet header from mbuf */ - m_adj(adapter->fmp, sizeof(struct ether_header)); - em_receive_checksum(adapter, current_desc, adapter->fmp); - ether_input(ifp, eh, adapter->fmp); - - adapter->fmp = NULL; - adapter->lmp = NULL; - } - } else { - adapter->dropped_pkts++; - em_get_buf(rx_buffer, adapter, mp); - if(adapter->fmp != NULL) m_freem(adapter->fmp); - adapter->fmp = NULL; - adapter->lmp = NULL; - } - - /* Zero out the receive descriptors status */ - current_desc->status = 0; - - if (rx_buffer->m_head != NULL) { - current_desc->buffer_addr = rx_buffer->buffer_addr; - } - - /* Advance our pointers to the next descriptor (checking for wrap). */ - if (current_desc == adapter->last_rx_desc) - adapter->next_rx_desc_to_check = adapter->first_rx_desc; - else - ((adapter)->next_rx_desc_to_check)++; - - last_desc_processed = current_desc; - current_desc = adapter->next_rx_desc_to_check; - /* - * Put the buffer that we just indicated back at the end of our list - */ - STAILQ_REMOVE_HEAD(&adapter->rx_buffer_list, em_rx_entry); - STAILQ_INSERT_TAIL(&adapter->rx_buffer_list, rx_buffer, em_rx_entry); - - /* Advance the E1000's Receive Queue #0 "Tail Pointer". */ - E1000_WRITE_REG(&adapter->shared, RDT, (((u_int32_t) last_desc_processed - - (u_int32_t) adapter->first_rx_desc) >> 4)); - } - return; + return; + } + + while (current_desc->status & E1000_RXD_STAT_DD) { + + /* Get a pointer to the actual receive buffer */ + rx_buffer = STAILQ_FIRST(&adapter->rx_buffer_list); + + if (rx_buffer == NULL) { + printf("em%d: Found null rx_buffer\n", adapter->unit); + return; + } + + mp = rx_buffer->m_head; + accept_frame = 1; + + if (current_desc->status & E1000_RXD_STAT_EOP) { + eop = 1; + len = current_desc->length - ETHER_CRC_LEN; + } else { + eop = 0; + len = current_desc->length; + } + + if (current_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK) { + + /* Compute packet length for tbi_accept macro */ + pkt_len = current_desc->length; + if (adapter->fmp != NULL) { + pkt_len += adapter->fmp->m_pkthdr.len; + } + + last_byte = *(mtod(rx_buffer->m_head,caddr_t) + + current_desc->length - 1); + + if (TBI_ACCEPT(&adapter->hw, current_desc->status, + current_desc->errors, + pkt_len, last_byte)) { + em_tbi_adjust_stats(&adapter->hw, + &adapter->stats, + pkt_len, + adapter->hw.mac_addr); + len--; + } else { + accept_frame = 0; + } + } + + if (accept_frame) { + + if (em_get_buf(rx_buffer, adapter, NULL) == ENOBUFS) { + adapter->dropped_pkts++; + em_get_buf(rx_buffer, adapter, mp); + if (adapter->fmp != NULL) m_freem(adapter->fmp); + adapter->fmp = NULL; + adapter->lmp = NULL; + break; + } + + /* Assign correct length to the current fragment */ + mp->m_len = len; + + if (adapter->fmp == NULL) { + mp->m_pkthdr.len = len; + adapter->fmp = mp; /* Store the first mbuf */ + adapter->lmp = mp; + } else { + /* Chain mbuf's together */ + mp->m_flags &= ~M_PKTHDR; + adapter->lmp->m_next = mp; + adapter->lmp = adapter->lmp->m_next; + adapter->fmp->m_pkthdr.len += len; + } + + if (eop) { + adapter->fmp->m_pkthdr.rcvif = ifp; + + eh = mtod(adapter->fmp, struct ether_header *); + + /* Remove ethernet header from mbuf */ + m_adj(adapter->fmp, sizeof(struct ether_header)); + em_receive_checksum(adapter, current_desc, + adapter->fmp); + if (current_desc->status & E1000_RXD_STAT_VP) + VLAN_INPUT_TAG(eh, adapter->fmp, + current_desc->special); + else + ether_input(ifp, eh, adapter->fmp); + + adapter->fmp = NULL; + adapter->lmp = NULL; + } + } else { + adapter->dropped_pkts++; + em_get_buf(rx_buffer, adapter, mp); + if (adapter->fmp != NULL) m_freem(adapter->fmp); + adapter->fmp = NULL; + adapter->lmp = NULL; + } + + /* Zero out the receive descriptors status */ + current_desc->status = 0; + + if (rx_buffer->m_head != NULL) { + current_desc->buffer_addr = rx_buffer->buffer_addr; + } + + /* Advance our pointers to the next descriptor (checking for wrap). */ + if (current_desc == adapter->last_rx_desc) + adapter->next_rx_desc_to_check = adapter->first_rx_desc; + else + ((adapter)->next_rx_desc_to_check)++; + + last_desc_processed = current_desc; + current_desc = adapter->next_rx_desc_to_check; + /* + * Put the buffer that we just indicated back at the end of our list + */ + STAILQ_REMOVE_HEAD(&adapter->rx_buffer_list, em_rx_entry); + STAILQ_INSERT_TAIL(&adapter->rx_buffer_list, + rx_buffer, em_rx_entry); + + /* Advance the E1000's Receive Queue #0 "Tail Pointer". */ + E1000_WRITE_REG(&adapter->hw, RDT, + (((u_long) last_desc_processed - + (u_long) adapter->first_rx_desc) >> 4)); + } + return; } /********************************************************************* @@ -1948,61 +2027,76 @@ em_process_receive_interrupts(struct adapter * adapter) *********************************************************************/ static void em_receive_checksum(struct adapter *adapter, - struct em_rx_desc *rx_desc, - struct mbuf *mp) + struct em_rx_desc *rx_desc, + struct mbuf *mp) { - /* 82543 or newer only */ - if((adapter->shared.mac_type < em_82543) || - /* Ignore Checksum bit is set */ - (rx_desc->status & E1000_RXD_STAT_IXSM)) { - mp->m_pkthdr.csum_flags = 0; - return; - } - - if (rx_desc->status & E1000_RXD_STAT_IPCS) { - /* Did it pass? */ - if (!(rx_desc->errors & E1000_RXD_ERR_IPE)) { - /* IP Checksum Good */ - mp->m_pkthdr.csum_flags = CSUM_IP_CHECKED; - mp->m_pkthdr.csum_flags |= CSUM_IP_VALID; - - } - else { - mp->m_pkthdr.csum_flags = 0; - } - } - - if (rx_desc->status & E1000_RXD_STAT_TCPCS) { - /* Did it pass? */ - if (!(rx_desc->errors & E1000_RXD_ERR_TCPE)) { - mp->m_pkthdr.csum_flags |= (CSUM_DATA_VALID | CSUM_PSEUDO_HDR); - mp->m_pkthdr.csum_data = htons(0xffff); - } - } - - return; + /* 82543 or newer only */ + if ((adapter->hw.mac_type < em_82543) || + /* Ignore Checksum bit is set */ + (rx_desc->status & E1000_RXD_STAT_IXSM)) { + mp->m_pkthdr.csum_flags = 0; + return; + } + + if (rx_desc->status & E1000_RXD_STAT_IPCS) { + /* Did it pass? */ + if (!(rx_desc->errors & E1000_RXD_ERR_IPE)) { + /* IP Checksum Good */ + mp->m_pkthdr.csum_flags = CSUM_IP_CHECKED; + mp->m_pkthdr.csum_flags |= CSUM_IP_VALID; + + } else { + mp->m_pkthdr.csum_flags = 0; + } + } + + if (rx_desc->status & E1000_RXD_STAT_TCPCS) { + /* Did it pass? */ + if (!(rx_desc->errors & E1000_RXD_ERR_TCPE)) { + mp->m_pkthdr.csum_flags |= + (CSUM_DATA_VALID | CSUM_PSEUDO_HDR); + mp->m_pkthdr.csum_data = htons(0xffff); + } + } + + return; } +static void em_enable_vlans(struct adapter *adapter) +{ + uint32_t ctrl; + + E1000_WRITE_REG(&adapter->hw, VET, QTAG_TYPE); + + ctrl = E1000_READ_REG(&adapter->hw, CTRL); + ctrl |= E1000_CTRL_VME; + E1000_WRITE_REG(&adapter->hw, CTRL, ctrl); + + return; +} + static void em_enable_intr(struct adapter * adapter) { - E1000_WRITE_REG(&adapter->shared, IMS, (IMS_ENABLE_MASK)); - return; + E1000_WRITE_REG(&adapter->hw, IMS, (IMS_ENABLE_MASK)); + return; } static void -em_disable_intr(struct adapter * adapter) +em_disable_intr(struct adapter *adapter) { - E1000_WRITE_REG(&adapter->shared, IMC, (0xffffffff & ~E1000_IMC_RXSEQ)); - return; + E1000_WRITE_REG(&adapter->hw, IMC, + (0xffffffff & ~E1000_IMC_RXSEQ)); + return; } -void em_write_pci_cfg(struct em_shared_adapter *adapter, - uint32_t reg, - uint16_t * value) +void em_write_pci_cfg(struct em_hw *adapter, + uint32_t reg, + uint16_t *value) { - pci_write_config(((struct em_osdep *)adapter->back)->dev, reg, *value, 2); + pci_write_config(((struct em_osdep *)adapter->back)->dev, reg, + *value, 2); } @@ -2012,96 +2106,102 @@ void em_write_pci_cfg(struct em_shared_adapter *adapter, * **********************************************************************/ static void -em_update_stats_counters(struct adapter * adapter) +em_update_stats_counters(struct adapter *adapter) { - struct ifnet *ifp; - - adapter->stats.crcerrs += E1000_READ_REG(&adapter->shared, CRCERRS); - adapter->stats.symerrs += E1000_READ_REG(&adapter->shared, SYMERRS); - adapter->stats.mpc += E1000_READ_REG(&adapter->shared, MPC); - adapter->stats.scc += E1000_READ_REG(&adapter->shared, SCC); - adapter->stats.ecol += E1000_READ_REG(&adapter->shared, ECOL); - adapter->stats.mcc += E1000_READ_REG(&adapter->shared, MCC); - adapter->stats.latecol += E1000_READ_REG(&adapter->shared, LATECOL); - adapter->stats.colc += E1000_READ_REG(&adapter->shared, COLC); - adapter->stats.dc += E1000_READ_REG(&adapter->shared, DC); - adapter->stats.sec += E1000_READ_REG(&adapter->shared, SEC); - adapter->stats.rlec += E1000_READ_REG(&adapter->shared, RLEC); - adapter->stats.xonrxc += E1000_READ_REG(&adapter->shared, XONRXC); - adapter->stats.xontxc += E1000_READ_REG(&adapter->shared, XONTXC); - adapter->stats.xoffrxc += E1000_READ_REG(&adapter->shared, XOFFRXC); - adapter->stats.xofftxc += E1000_READ_REG(&adapter->shared, XOFFTXC); - adapter->stats.fcruc += E1000_READ_REG(&adapter->shared, FCRUC); - adapter->stats.prc64 += E1000_READ_REG(&adapter->shared, PRC64); - adapter->stats.prc127 += E1000_READ_REG(&adapter->shared, PRC127); - adapter->stats.prc255 += E1000_READ_REG(&adapter->shared, PRC255); - adapter->stats.prc511 += E1000_READ_REG(&adapter->shared, PRC511); - adapter->stats.prc1023 += E1000_READ_REG(&adapter->shared, PRC1023); - adapter->stats.prc1522 += E1000_READ_REG(&adapter->shared, PRC1522); - adapter->stats.gprc += E1000_READ_REG(&adapter->shared, GPRC); - adapter->stats.bprc += E1000_READ_REG(&adapter->shared, BPRC); - adapter->stats.mprc += E1000_READ_REG(&adapter->shared, MPRC); - adapter->stats.gptc += E1000_READ_REG(&adapter->shared, GPTC); - - /* For the 64-bit byte counters the low dword must be read first. */ - /* Both registers clear on the read of the high dword */ - - adapter->stats.gorcl += E1000_READ_REG(&adapter->shared, GORCL); - adapter->stats.gorch += E1000_READ_REG(&adapter->shared, GORCH); - adapter->stats.gotcl += E1000_READ_REG(&adapter->shared, GOTCL); - adapter->stats.gotch += E1000_READ_REG(&adapter->shared, GOTCH); - - adapter->stats.rnbc += E1000_READ_REG(&adapter->shared, RNBC); - adapter->stats.ruc += E1000_READ_REG(&adapter->shared, RUC); - adapter->stats.rfc += E1000_READ_REG(&adapter->shared, RFC); - adapter->stats.roc += E1000_READ_REG(&adapter->shared, ROC); - adapter->stats.rjc += E1000_READ_REG(&adapter->shared, RJC); - - adapter->stats.torl += E1000_READ_REG(&adapter->shared, TORL); - adapter->stats.torh += E1000_READ_REG(&adapter->shared, TORH); - adapter->stats.totl += E1000_READ_REG(&adapter->shared, TOTL); - adapter->stats.toth += E1000_READ_REG(&adapter->shared, TOTH); - - adapter->stats.tpr += E1000_READ_REG(&adapter->shared, TPR); - adapter->stats.tpt += E1000_READ_REG(&adapter->shared, TPT); - adapter->stats.ptc64 += E1000_READ_REG(&adapter->shared, PTC64); - adapter->stats.ptc127 += E1000_READ_REG(&adapter->shared, PTC127); - adapter->stats.ptc255 += E1000_READ_REG(&adapter->shared, PTC255); - adapter->stats.ptc511 += E1000_READ_REG(&adapter->shared, PTC511); - adapter->stats.ptc1023 += E1000_READ_REG(&adapter->shared, PTC1023); - adapter->stats.ptc1522 += E1000_READ_REG(&adapter->shared, PTC1522); - adapter->stats.mptc += E1000_READ_REG(&adapter->shared, MPTC); - adapter->stats.bptc += E1000_READ_REG(&adapter->shared, BPTC); - - if (adapter->shared.mac_type >= em_82543) { - adapter->stats.algnerrc += E1000_READ_REG(&adapter->shared, ALGNERRC); - adapter->stats.rxerrc += E1000_READ_REG(&adapter->shared, RXERRC); - adapter->stats.tncrs += E1000_READ_REG(&adapter->shared, TNCRS); - adapter->stats.cexterr += E1000_READ_REG(&adapter->shared, CEXTERR); - adapter->stats.tsctc += E1000_READ_REG(&adapter->shared, TSCTC); - adapter->stats.tsctfc += E1000_READ_REG(&adapter->shared, TSCTFC); - } - ifp = &adapter->interface_data.ac_if; - - /* Fill out the OS statistics structure */ - ifp->if_ipackets = adapter->stats.gprc; - ifp->if_opackets = adapter->stats.gptc; - ifp->if_ibytes = adapter->stats.gorcl; - ifp->if_obytes = adapter->stats.gotcl; - ifp->if_imcasts = adapter->stats.mprc; - ifp->if_collisions = adapter->stats.colc; - - /* Rx Errors */ - ifp->if_ierrors = - adapter->dropped_pkts + - adapter->stats.rxerrc + - adapter->stats.crcerrs + - adapter->stats.algnerrc + - adapter->stats.rlec + adapter->stats.rnbc + - adapter->stats.mpc + adapter->stats.cexterr; - - /* Tx Errors */ - ifp->if_oerrors = adapter->stats.ecol + adapter->stats.latecol; + struct ifnet *ifp; + + adapter->stats.crcerrs += E1000_READ_REG(&adapter->hw, CRCERRS); + adapter->stats.symerrs += E1000_READ_REG(&adapter->hw, SYMERRS); + adapter->stats.mpc += E1000_READ_REG(&adapter->hw, MPC); + adapter->stats.scc += E1000_READ_REG(&adapter->hw, SCC); + adapter->stats.ecol += E1000_READ_REG(&adapter->hw, ECOL); + adapter->stats.mcc += E1000_READ_REG(&adapter->hw, MCC); + adapter->stats.latecol += E1000_READ_REG(&adapter->hw, LATECOL); + adapter->stats.colc += E1000_READ_REG(&adapter->hw, COLC); + adapter->stats.dc += E1000_READ_REG(&adapter->hw, DC); + adapter->stats.sec += E1000_READ_REG(&adapter->hw, SEC); + adapter->stats.rlec += E1000_READ_REG(&adapter->hw, RLEC); + adapter->stats.xonrxc += E1000_READ_REG(&adapter->hw, XONRXC); + adapter->stats.xontxc += E1000_READ_REG(&adapter->hw, XONTXC); + adapter->stats.xoffrxc += E1000_READ_REG(&adapter->hw, XOFFRXC); + adapter->stats.xofftxc += E1000_READ_REG(&adapter->hw, XOFFTXC); + adapter->stats.fcruc += E1000_READ_REG(&adapter->hw, FCRUC); + adapter->stats.prc64 += E1000_READ_REG(&adapter->hw, PRC64); + adapter->stats.prc127 += E1000_READ_REG(&adapter->hw, PRC127); + adapter->stats.prc255 += E1000_READ_REG(&adapter->hw, PRC255); + adapter->stats.prc511 += E1000_READ_REG(&adapter->hw, PRC511); + adapter->stats.prc1023 += E1000_READ_REG(&adapter->hw, PRC1023); + adapter->stats.prc1522 += E1000_READ_REG(&adapter->hw, PRC1522); + adapter->stats.gprc += E1000_READ_REG(&adapter->hw, GPRC); + adapter->stats.bprc += E1000_READ_REG(&adapter->hw, BPRC); + adapter->stats.mprc += E1000_READ_REG(&adapter->hw, MPRC); + adapter->stats.gptc += E1000_READ_REG(&adapter->hw, GPTC); + + /* For the 64-bit byte counters the low dword must be read first. */ + /* Both registers clear on the read of the high dword */ + + adapter->stats.gorcl += E1000_READ_REG(&adapter->hw, GORCL); + adapter->stats.gorch += E1000_READ_REG(&adapter->hw, GORCH); + adapter->stats.gotcl += E1000_READ_REG(&adapter->hw, GOTCL); + adapter->stats.gotch += E1000_READ_REG(&adapter->hw, GOTCH); + + adapter->stats.rnbc += E1000_READ_REG(&adapter->hw, RNBC); + adapter->stats.ruc += E1000_READ_REG(&adapter->hw, RUC); + adapter->stats.rfc += E1000_READ_REG(&adapter->hw, RFC); + adapter->stats.roc += E1000_READ_REG(&adapter->hw, ROC); + adapter->stats.rjc += E1000_READ_REG(&adapter->hw, RJC); + + adapter->stats.torl += E1000_READ_REG(&adapter->hw, TORL); + adapter->stats.torh += E1000_READ_REG(&adapter->hw, TORH); + adapter->stats.totl += E1000_READ_REG(&adapter->hw, TOTL); + adapter->stats.toth += E1000_READ_REG(&adapter->hw, TOTH); + + adapter->stats.tpr += E1000_READ_REG(&adapter->hw, TPR); + adapter->stats.tpt += E1000_READ_REG(&adapter->hw, TPT); + adapter->stats.ptc64 += E1000_READ_REG(&adapter->hw, PTC64); + adapter->stats.ptc127 += E1000_READ_REG(&adapter->hw, PTC127); + adapter->stats.ptc255 += E1000_READ_REG(&adapter->hw, PTC255); + adapter->stats.ptc511 += E1000_READ_REG(&adapter->hw, PTC511); + adapter->stats.ptc1023 += E1000_READ_REG(&adapter->hw, PTC1023); + adapter->stats.ptc1522 += E1000_READ_REG(&adapter->hw, PTC1522); + adapter->stats.mptc += E1000_READ_REG(&adapter->hw, MPTC); + adapter->stats.bptc += E1000_READ_REG(&adapter->hw, BPTC); + + if (adapter->hw.mac_type >= em_82543) { + adapter->stats.algnerrc += + E1000_READ_REG(&adapter->hw, ALGNERRC); + adapter->stats.rxerrc += + E1000_READ_REG(&adapter->hw, RXERRC); + adapter->stats.tncrs += + E1000_READ_REG(&adapter->hw, TNCRS); + adapter->stats.cexterr += + E1000_READ_REG(&adapter->hw, CEXTERR); + adapter->stats.tsctc += + E1000_READ_REG(&adapter->hw, TSCTC); + adapter->stats.tsctfc += + E1000_READ_REG(&adapter->hw, TSCTFC); + } + ifp = &adapter->interface_data.ac_if; + + /* Fill out the OS statistics structure */ + ifp->if_ipackets = adapter->stats.gprc; + ifp->if_opackets = adapter->stats.gptc; + ifp->if_ibytes = adapter->stats.gorcl; + ifp->if_obytes = adapter->stats.gotcl; + ifp->if_imcasts = adapter->stats.mprc; + ifp->if_collisions = adapter->stats.colc; + + /* Rx Errors */ + ifp->if_ierrors = + adapter->dropped_pkts + + adapter->stats.rxerrc + + adapter->stats.crcerrs + + adapter->stats.algnerrc + + adapter->stats.rlec + adapter->stats.rnbc + + adapter->stats.mpc + adapter->stats.cexterr; + + /* Tx Errors */ + ifp->if_oerrors = adapter->stats.ecol + adapter->stats.latecol; } @@ -2114,42 +2214,67 @@ em_update_stats_counters(struct adapter * adapter) * **********************************************************************/ static void -em_print_hw_stats(struct adapter * adapter) +em_print_hw_stats(struct adapter *adapter) { - int unit = adapter->unit; + int unit = adapter->unit; #ifdef DBG_STATS - printf("em%d: Packets not Avail = %ld\n", unit, adapter->no_pkts_avail); - printf("em%d: clean_tx_interrupts = %ld\n", unit, adapter->clean_tx_interrupts); + printf("em%d: Packets not Avail = %ld\n", unit, + adapter->no_pkts_avail); + printf("em%d: CleanTxInterrupts = %ld\n", unit, + adapter->clean_tx_interrupts); #endif - - printf("em%d: Tx Descriptors not Avail = %ld\n", unit, adapter->no_tx_desc_avail); - printf("em%d: Tx Buffer not avail1 = %ld\n", unit, adapter->no_tx_buffer_avail1); - printf("em%d: Tx Buffer not avail2 = %ld\n", unit, adapter->no_tx_buffer_avail2); - printf("em%d: Std Mbuf Failed = %ld\n",unit, adapter->mbuf_alloc_failed); - printf("em%d: Std Cluster Failed = %ld\n",unit, adapter->mbuf_cluster_failed); - printf("em%d: Xmit Pullup = %ld\n",unit, adapter->xmit_pullup); - - printf("em%d: Symbol errors = %lld\n", unit, adapter->stats.symerrs); - printf("em%d: Sequence errors = %lld\n", unit, adapter->stats.sec); - printf("em%d: Defer count = %lld\n", unit, adapter->stats.dc); - - printf("em%d: Missed Packets = %lld\n", unit, adapter->stats.mpc); - printf("em%d: Receive No Buffers = %lld\n", unit, adapter->stats.rnbc); - printf("em%d: Receive length errors = %lld\n", unit, adapter->stats.rlec); - printf("em%d: Receive errors = %lld\n", unit, adapter->stats.rxerrc); - printf("em%d: Crc errors = %lld\n", unit, adapter->stats.crcerrs); - printf("em%d: Alignment errors = %lld\n", unit, adapter->stats.algnerrc); - printf("em%d: Carrier extension errors = %lld\n", unit, adapter->stats.cexterr); - printf("em%d: Driver dropped packets = %ld\n", unit, adapter->dropped_pkts); - - printf("em%d: XON Rcvd = %lld\n", unit, adapter->stats.xonrxc); - printf("em%d: XON Xmtd = %lld\n", unit, adapter->stats.xontxc); - printf("em%d: XOFF Rcvd = %lld\n", unit, adapter->stats.xoffrxc); - printf("em%d: XOFF Xmtd = %lld\n", unit, adapter->stats.xofftxc); - - printf("em%d: Good Packets Rcvd = %lld\n", unit, adapter->stats.gprc); - printf("em%d: Good Packets Xmtd = %lld\n", unit, adapter->stats.gptc); + + printf("em%d: Tx Descriptors not Avail = %ld\n", unit, + adapter->no_tx_desc_avail); + printf("em%d: Tx Buffer not avail1 = %ld\n", unit, + adapter->no_tx_buffer_avail1); + printf("em%d: Tx Buffer not avail2 = %ld\n", unit, + adapter->no_tx_buffer_avail2); + printf("em%d: Std Mbuf Failed = %ld\n",unit, + adapter->mbuf_alloc_failed); + printf("em%d: Std Cluster Failed = %ld\n",unit, + adapter->mbuf_cluster_failed); + + printf("em%d: Symbol errors = %lld\n", unit, + (long long)adapter->stats.symerrs); + printf("em%d: Sequence errors = %lld\n", unit, + (long long)adapter->stats.sec); + printf("em%d: Defer count = %lld\n", unit, + (long long)adapter->stats.dc); + + printf("em%d: Missed Packets = %lld\n", unit, + (long long)adapter->stats.mpc); + printf("em%d: Receive No Buffers = %lld\n", unit, + (long long)adapter->stats.rnbc); + printf("em%d: Receive length errors = %lld\n", unit, + (long long)adapter->stats.rlec); + printf("em%d: Receive errors = %lld\n", unit, + (long long)adapter->stats.rxerrc); + printf("em%d: Crc errors = %lld\n", unit, + (long long)adapter->stats.crcerrs); + printf("em%d: Alignment errors = %lld\n", unit, + (long long)adapter->stats.algnerrc); + printf("em%d: Carrier extension errors = %lld\n", unit, + (long long)adapter->stats.cexterr); + printf("em%d: Driver dropped packets = %ld\n", unit, + adapter->dropped_pkts); + + printf("em%d: XON Rcvd = %lld\n", unit, + (long long)adapter->stats.xonrxc); + printf("em%d: XON Xmtd = %lld\n", unit, + (long long)adapter->stats.xontxc); + printf("em%d: XOFF Rcvd = %lld\n", unit, + (long long)adapter->stats.xoffrxc); + printf("em%d: XOFF Xmtd = %lld\n", unit, + (long long)adapter->stats.xofftxc); + + printf("em%d: Good Packets Rcvd = %lld\n", unit, + (long long)adapter->stats.gprc); + printf("em%d: Good Packets Xmtd = %lld\n", unit, + (long long)adapter->stats.gptc); + + return; } @@ -2163,80 +2288,81 @@ em_print_hw_stats(struct adapter * adapter) static void em_clean_transmit_interrupts(struct adapter * adapter) { - struct em_tx_buffer *tx_buffer; - struct em_tx_desc *tx_desc; - int s; - struct ifnet *ifp; + struct em_tx_buffer *tx_buffer; + struct em_tx_desc *tx_desc; + int s; + struct ifnet *ifp; - s = splimp(); + s = splimp(); #ifdef DBG_STATS - adapter->clean_tx_interrupts++; + adapter->clean_tx_interrupts++; #endif - for (tx_buffer = STAILQ_FIRST(&adapter->used_tx_buffer_list); - tx_buffer; - tx_buffer = STAILQ_FIRST(&adapter->used_tx_buffer_list)) { - - /* - * Get hold of the next descriptor that the em will report status - * back to (this will be the last descriptor of a given tx_buffer). We - * only want to free the tx_buffer (and it resources) if the driver is - * done with ALL of the descriptors. If the driver is done with the - * last one then it is done with all of them. - */ - - tx_desc = adapter->oldest_used_tx_desc + - (tx_buffer->num_tx_desc_used - 1); - - /* Check for wrap case */ - if (tx_desc > adapter->last_tx_desc) - tx_desc -= adapter->num_tx_desc; - - - /* - * If the descriptor done bit is set free tx_buffer and associated - * resources - */ - if (tx_desc->upper.fields.status & - E1000_TXD_STAT_DD) { - - STAILQ_REMOVE_HEAD(&adapter->used_tx_buffer_list, em_tx_entry); - - if ((tx_desc == adapter->last_tx_desc)) - adapter->oldest_used_tx_desc = - adapter->first_tx_desc; - else - adapter->oldest_used_tx_desc = (tx_desc + 1); - - /* Make available the descriptors that were previously used */ - adapter->num_tx_desc_avail += - tx_buffer->num_tx_desc_used; - - tx_buffer->num_tx_desc_used = 0; - - if (tx_buffer->m_head) { - m_freem(tx_buffer->m_head); - tx_buffer->m_head = NULL; - } - /* Return this "Software packet" back to the "free" list */ - STAILQ_INSERT_TAIL(&adapter->free_tx_buffer_list, tx_buffer, em_tx_entry); - } else { - /* - * Found a tx_buffer that the em is not done with then there is - * no reason to check the rest of the queue. - */ - break; - } - } /* end for each tx_buffer */ - - ifp = &adapter->interface_data.ac_if; - - /* Tell the stack that it is OK to send packets */ - if (adapter->num_tx_desc_avail > TX_CLEANUP_THRESHOLD) { - ifp->if_timer = 0; - ifp->if_flags &= ~IFF_OACTIVE; - } - splx(s); - return; + for (tx_buffer = STAILQ_FIRST(&adapter->used_tx_buffer_list); + tx_buffer; + tx_buffer = STAILQ_FIRST(&adapter->used_tx_buffer_list)) { + + /* + * Get hold of the next descriptor that the em will report status + * back to (this will be the last descriptor of a given tx_buffer). We + * only want to free the tx_buffer (and it resources) if the driver is + * done with ALL of the descriptors. If the driver is done with the + * last one then it is done with all of them. + */ + + tx_desc = adapter->oldest_used_tx_desc + + (tx_buffer->num_tx_desc_used - 1); + + /* Check for wrap case */ + if (tx_desc > adapter->last_tx_desc) + tx_desc -= adapter->num_tx_desc; + + + /* + * If the descriptor done bit is set free tx_buffer and associated + * resources + */ + if (tx_desc->upper.fields.status & E1000_TXD_STAT_DD) { + + STAILQ_REMOVE_HEAD(&adapter->used_tx_buffer_list, + em_tx_entry); + + if ((tx_desc == adapter->last_tx_desc)) + adapter->oldest_used_tx_desc = + adapter->first_tx_desc; + else + adapter->oldest_used_tx_desc = (tx_desc + 1); + + /* Make available the descriptors that were previously used */ + adapter->num_tx_desc_avail += + tx_buffer->num_tx_desc_used; + + tx_buffer->num_tx_desc_used = 0; + + if (tx_buffer->m_head) { + m_freem(tx_buffer->m_head); + tx_buffer->m_head = NULL; + } + /* Return this "Software packet" back to the "free" list */ + STAILQ_INSERT_TAIL(&adapter->free_tx_buffer_list, + tx_buffer, em_tx_entry); + } else { + /* + * Found a tx_buffer that the em is not done with then there is + * no reason to check the rest of the queue. + */ + break; + } + } /* end for each tx_buffer */ + + ifp = &adapter->interface_data.ac_if; + + /* Tell the stack that it is OK to send packets */ + if (adapter->num_tx_desc_avail > TX_CLEANUP_THRESHOLD) { + ifp->if_timer = 0; + ifp->if_flags &= ~IFF_OACTIVE; + } + splx(s); + return; } |
