diff options
-rw-r--r-- | drivers/net/ethernet/sfc/efx.c | 63 | ||||
-rw-r--r-- | drivers/net/ethernet/sfc/efx.h | 2 | ||||
-rw-r--r-- | drivers/net/ethernet/sfc/falcon_boards.c | 13 | ||||
-rw-r--r-- | drivers/net/ethernet/sfc/net_driver.h | 8 | ||||
-rw-r--r-- | drivers/net/ethernet/sfc/nic.c | 11 | ||||
-rw-r--r-- | drivers/net/ethernet/sfc/nic.h | 21 | ||||
-rw-r--r-- | drivers/net/ethernet/sfc/rx.c | 7 | ||||
-rw-r--r-- | drivers/net/ethernet/sfc/selftest.c | 192 | ||||
-rw-r--r-- | drivers/net/ethernet/sfc/selftest.h | 3 | ||||
-rw-r--r-- | drivers/net/ethernet/sfc/siena.c | 3 | ||||
-rw-r--r-- | drivers/net/ethernet/sfc/siena_sriov.c | 2 |
11 files changed, 222 insertions, 103 deletions
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index 1908ba7ca7e6..3cbfbffe3f00 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -25,6 +25,7 @@ #include "net_driver.h" #include "efx.h" #include "nic.h" +#include "selftest.h" #include "mcdi.h" #include "workarounds.h" @@ -163,12 +164,12 @@ static int phy_flash_cfg; module_param(phy_flash_cfg, int, 0644); MODULE_PARM_DESC(phy_flash_cfg, "Set PHYs into reflash mode initially"); -static unsigned irq_adapt_low_thresh = 10000; +static unsigned irq_adapt_low_thresh = 8000; module_param(irq_adapt_low_thresh, uint, 0644); MODULE_PARM_DESC(irq_adapt_low_thresh, "Threshold score for reducing IRQ moderation"); -static unsigned irq_adapt_high_thresh = 20000; +static unsigned irq_adapt_high_thresh = 16000; module_param(irq_adapt_high_thresh, uint, 0644); MODULE_PARM_DESC(irq_adapt_high_thresh, "Threshold score for increasing IRQ moderation"); @@ -1564,8 +1565,9 @@ static void efx_start_all(struct efx_nic *efx) * since we're holding the rtnl_lock at this point. */ static void efx_flush_all(struct efx_nic *efx) { - /* Make sure the hardware monitor is stopped */ + /* Make sure the hardware monitor and event self-test are stopped */ cancel_delayed_work_sync(&efx->monitor_work); + efx_selftest_async_cancel(efx); /* Stop scheduled port reconfigurations */ cancel_work_sync(&efx->mac_work); } @@ -1825,6 +1827,7 @@ static int efx_net_open(struct net_device *net_dev) efx_link_status_changed(efx); efx_start_all(efx); + efx_selftest_async_start(efx); return 0; } @@ -2375,6 +2378,7 @@ static int efx_init_struct(struct efx_nic *efx, const struct efx_nic_type *type, #endif INIT_WORK(&efx->reset_work, efx_reset_work); INIT_DELAYED_WORK(&efx->monitor_work, efx_monitor); + INIT_DELAYED_WORK(&efx->selftest_work, efx_selftest_async_work); efx->pci_dev = pci_dev; efx->msg_enable = debug; efx->state = STATE_INIT; @@ -2493,6 +2497,57 @@ static void efx_pci_remove(struct pci_dev *pci_dev) free_netdev(efx->net_dev); }; +/* NIC VPD information + * Called during probe to display the part number of the + * installed NIC. VPD is potentially very large but this should + * always appear within the first 512 bytes. + */ +#define SFC_VPD_LEN 512 +static void efx_print_product_vpd(struct efx_nic *efx) +{ + struct pci_dev *dev = efx->pci_dev; + char vpd_data[SFC_VPD_LEN]; + ssize_t vpd_size; + int i, j; + + /* Get the vpd data from the device */ + vpd_size = pci_read_vpd(dev, 0, sizeof(vpd_data), vpd_data); + if (vpd_size <= 0) { + netif_err(efx, drv, efx->net_dev, "Unable to read VPD\n"); + return; + } + + /* Get the Read only section */ + i = pci_vpd_find_tag(vpd_data, 0, vpd_size, PCI_VPD_LRDT_RO_DATA); + if (i < 0) { + netif_err(efx, drv, efx->net_dev, "VPD Read-only not found\n"); + return; + } + + j = pci_vpd_lrdt_size(&vpd_data[i]); + i += PCI_VPD_LRDT_TAG_SIZE; + if (i + j > vpd_size) + j = vpd_size - i; + + /* Get the Part number */ + i = pci_vpd_find_info_keyword(vpd_data, i, j, "PN"); + if (i < 0) { + netif_err(efx, drv, efx->net_dev, "Part number not found\n"); + return; + } + + j = pci_vpd_info_field_size(&vpd_data[i]); + i += PCI_VPD_INFO_FLD_HDR_SIZE; + if (i + j > vpd_size) { + netif_err(efx, drv, efx->net_dev, "Incomplete part number\n"); + return; + } + + netif_info(efx, drv, efx->net_dev, + "Part Number : %.*s\n", j, &vpd_data[i]); +} + + /* Main body of NIC initialisation * This is called at module load (or hotplug insertion, theoretically). */ @@ -2582,6 +2637,8 @@ static int __devinit efx_pci_probe(struct pci_dev *pci_dev, netif_info(efx, probe, efx->net_dev, "Solarflare NIC detected\n"); + efx_print_product_vpd(efx); + /* Set up basic I/O (BAR mappings etc) */ rc = efx_init_io(efx); if (rc) diff --git a/drivers/net/ethernet/sfc/efx.h b/drivers/net/ethernet/sfc/efx.h index 4debfe07fb88..be8f9158a714 100644 --- a/drivers/net/ethernet/sfc/efx.h +++ b/drivers/net/ethernet/sfc/efx.h @@ -148,7 +148,7 @@ static inline void efx_schedule_channel(struct efx_channel *channel) static inline void efx_schedule_channel_irq(struct efx_channel *channel) { - channel->last_irq_cpu = raw_smp_processor_id(); + channel->event_test_cpu = raw_smp_processor_id(); efx_schedule_channel(channel); } diff --git a/drivers/net/ethernet/sfc/falcon_boards.c b/drivers/net/ethernet/sfc/falcon_boards.c index 2084cc6ede52..8687a6c3db0d 100644 --- a/drivers/net/ethernet/sfc/falcon_boards.c +++ b/drivers/net/ethernet/sfc/falcon_boards.c @@ -709,8 +709,6 @@ static int sfe4003_init(struct efx_nic *efx) static const struct falcon_board_type board_types[] = { { .id = FALCON_BOARD_SFE4001, - .ref_model = "SFE4001", - .gen_type = "10GBASE-T adapter", .init = sfe4001_init, .init_phy = efx_port_dummy_op_void, .fini = sfe4001_fini, @@ -719,8 +717,6 @@ static const struct falcon_board_type board_types[] = { }, { .id = FALCON_BOARD_SFE4002, - .ref_model = "SFE4002", - .gen_type = "XFP adapter", .init = sfe4002_init, .init_phy = sfe4002_init_phy, .fini = efx_fini_lm87, @@ -729,8 +725,6 @@ static const struct falcon_board_type board_types[] = { }, { .id = FALCON_BOARD_SFE4003, - .ref_model = "SFE4003", - .gen_type = "10GBASE-CX4 adapter", .init = sfe4003_init, .init_phy = sfe4003_init_phy, .fini = efx_fini_lm87, @@ -739,8 +733,6 @@ static const struct falcon_board_type board_types[] = { }, { .id = FALCON_BOARD_SFN4112F, - .ref_model = "SFN4112F", - .gen_type = "SFP+ adapter", .init = sfn4112f_init, .init_phy = sfn4112f_init_phy, .fini = efx_fini_lm87, @@ -763,11 +755,6 @@ int falcon_probe_board(struct efx_nic *efx, u16 revision_info) board->type = &board_types[i]; if (board->type) { - netif_info(efx, probe, efx->net_dev, "board is %s rev %c%d\n", - (efx->pci_dev->subsystem_vendor == - PCI_VENDOR_ID_SOLARFLARE) - ? board->type->ref_model : board->type->gen_type, - 'A' + board->major, board->minor); return 0; } else { netif_err(efx, probe, efx->net_dev, "unknown board type %d\n", diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h index 0b95505e8968..f0385e1fb2d8 100644 --- a/drivers/net/ethernet/sfc/net_driver.h +++ b/drivers/net/ethernet/sfc/net_driver.h @@ -324,8 +324,7 @@ enum efx_rx_alloc_method { * @eventq: Event queue buffer * @eventq_mask: Event queue pointer mask * @eventq_read_ptr: Event queue read pointer - * @last_eventq_read_ptr: Last event queue read pointer value. - * @last_irq_cpu: Last CPU to handle interrupt for this channel + * @event_test_cpu: Last CPU to handle interrupt or test event for this channel * @irq_count: Number of IRQs since last adaptive moderation decision * @irq_mod_score: IRQ moderation score * @rx_alloc_level: Watermark based heuristic counter for pushing descriptors @@ -355,9 +354,8 @@ struct efx_channel { struct efx_special_buffer eventq; unsigned int eventq_mask; unsigned int eventq_read_ptr; - unsigned int last_eventq_read_ptr; + int event_test_cpu; - int last_irq_cpu; unsigned int irq_count; unsigned int irq_mod_score; #ifdef CONFIG_RFS_ACCEL @@ -678,6 +676,7 @@ struct vfdi_status; * @irq_status: Interrupt status buffer * @irq_zero_count: Number of legacy IRQs seen with queue flags == 0 * @irq_level: IRQ level/index for IRQs not triggered by an event queue + * @selftest_work: Work item for asynchronous self-test * @mtd_list: List of MTDs attached to the NIC * @nic_data: Hardware dependent state * @mac_lock: MAC access lock. Protects @port_enabled, @phy_mode, @@ -791,6 +790,7 @@ struct efx_nic { struct efx_buffer irq_status; unsigned irq_zero_count; unsigned irq_level; + struct delayed_work selftest_work; #ifdef CONFIG_SFC_MTD struct list_head mtd_list; diff --git a/drivers/net/ethernet/sfc/nic.c b/drivers/net/ethernet/sfc/nic.c index 2bf4283f05fe..4a9a5beec8fc 100644 --- a/drivers/net/ethernet/sfc/nic.c +++ b/drivers/net/ethernet/sfc/nic.c @@ -822,7 +822,6 @@ efx_handle_tx_event(struct efx_channel *channel, efx_qword_t *event) channel, tx_ev_q_label % EFX_TXQ_TYPES); tx_packets = ((tx_ev_desc_ptr - tx_queue->read_count) & tx_queue->ptr_mask); - channel->irq_mod_score += tx_packets; efx_xmit_done(tx_queue, tx_ev_desc_ptr); } else if (EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_WQ_FF_FULL)) { /* Rewrite the FIFO write pointer */ @@ -1084,7 +1083,7 @@ efx_handle_generated_event(struct efx_channel *channel, efx_qword_t *event) code = _EFX_CHANNEL_MAGIC_CODE(magic); if (magic == EFX_CHANNEL_MAGIC_TEST(channel)) { - /* ignore */ + channel->event_test_cpu = raw_smp_processor_id(); } else if (rx_queue && magic == EFX_CHANNEL_MAGIC_FILL(rx_queue)) { /* The queue must be empty, so we won't receive any rx * events, so efx_process_channel() won't refill the @@ -1333,8 +1332,10 @@ void efx_nic_remove_eventq(struct efx_channel *channel) } -void efx_nic_generate_test_event(struct efx_channel *channel) +void efx_nic_event_test_start(struct efx_channel *channel) { + channel->event_test_cpu = -1; + smp_wmb(); efx_magic_event(channel, EFX_CHANNEL_MAGIC_TEST(channel)); } @@ -1383,8 +1384,10 @@ void efx_nic_disable_interrupts(struct efx_nic *efx) * Interrupt must already have been enabled, otherwise nasty things * may happen. */ -void efx_nic_generate_interrupt(struct efx_nic *efx) +void efx_nic_irq_test_start(struct efx_nic *efx) { + efx->last_irq_cpu = -1; + smp_wmb(); efx_nic_interrupts(efx, true, true); } diff --git a/drivers/net/ethernet/sfc/nic.h b/drivers/net/ethernet/sfc/nic.h index 246c4140453c..f48ccf6bb3b9 100644 --- a/drivers/net/ethernet/sfc/nic.h +++ b/drivers/net/ethernet/sfc/nic.h @@ -35,10 +35,6 @@ static inline int efx_nic_rev(struct efx_nic *efx) extern u32 efx_nic_fpga_ver(struct efx_nic *efx); -static inline bool efx_nic_has_mc(struct efx_nic *efx) -{ - return efx_nic_rev(efx) >= EFX_REV_SIENA_A0; -} /* NIC has two interlinked PCI functions for the same port. */ static inline bool efx_nic_is_dual_func(struct efx_nic *efx) { @@ -73,8 +69,6 @@ enum { /** * struct falcon_board_type - board operations and type information * @id: Board type id, as found in NVRAM - * @ref_model: Model number of Solarflare reference design - * @gen_type: Generic board type description * @init: Allocate resources and initialise peripheral hardware * @init_phy: Do board-specific PHY initialisation * @fini: Shut down hardware and free resources @@ -83,8 +77,6 @@ enum { */ struct falcon_board_type { u8 id; - const char *ref_model; - const char *gen_type; int (*init) (struct efx_nic *nic); void (*init_phy) (struct efx_nic *efx); void (*fini) (struct efx_nic *nic); @@ -305,14 +297,23 @@ extern void falcon_update_stats_xmac(struct efx_nic *efx); /* Interrupts and test events */ extern int efx_nic_init_interrupt(struct efx_nic *efx); extern void efx_nic_enable_interrupts(struct efx_nic *efx); -extern void efx_nic_generate_test_event(struct efx_channel *channel); -extern void efx_nic_generate_interrupt(struct efx_nic *efx); +extern void efx_nic_event_test_start(struct efx_channel *channel); +extern void efx_nic_irq_test_start(struct efx_nic *efx); extern void efx_nic_disable_interrupts(struct efx_nic *efx); extern void efx_nic_fini_interrupt(struct efx_nic *efx); extern irqreturn_t efx_nic_fatal_interrupt(struct efx_nic *efx); extern irqreturn_t falcon_legacy_interrupt_a1(int irq, void *dev_id); extern void falcon_irq_ack_a1(struct efx_nic *efx); +static inline int efx_nic_event_test_irq_cpu(struct efx_channel *channel) +{ + return ACCESS_ONCE(channel->event_test_cpu); +} +static inline int efx_nic_irq_test_irq_cpu(struct efx_nic *efx) +{ + return ACCESS_ONCE(efx->last_irq_cpu); +} + /* Global Resources */ extern int efx_nic_flush_queues(struct efx_nic *efx); extern void falcon_start_nic_stats(struct efx_nic *efx); diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c index 1ba290d0c21c..763fa2fe1a38 100644 --- a/drivers/net/ethernet/sfc/rx.c +++ b/drivers/net/ethernet/sfc/rx.c @@ -449,10 +449,8 @@ static void efx_rx_packet__check_len(struct efx_rx_queue *rx_queue, efx_rx_queue_channel(rx_queue)->n_rx_overlength++; } -/* Pass a received packet up through the generic GRO stack - * - * Handles driverlink veto, and passes the fragment up via - * the appropriate GRO method +/* Pass a received packet up through GRO. GRO can handle pages + * regardless of checksum state and skbs with a good checksum. */ static void efx_rx_packet_gro(struct efx_channel *channel, struct efx_rx_buffer *rx_buf, @@ -461,7 +459,6 @@ static void efx_rx_packet_gro(struct efx_channel *channel, struct napi_struct *napi = &channel->napi_str; gro_result_t gro_result; - /* Pass the skb/page into the GRO engine */ if (rx_buf->flags & EFX_RX_BUF_PAGE) { struct efx_nic *efx = channel->efx; struct page *page = rx_buf->u.page; diff --git a/drivers/net/ethernet/sfc/selftest.c b/drivers/net/ethernet/sfc/selftest.c index febe2a9e6211..de4c0069f5b2 100644 --- a/drivers/net/ethernet/sfc/selftest.c +++ b/drivers/net/ethernet/sfc/selftest.c @@ -25,6 +25,16 @@ #include "selftest.h" #include "workarounds.h" +/* IRQ latency can be enormous because: + * - All IRQs may be disabled on a CPU for a *long* time by e.g. a + * slow serial console or an old IDE driver doing error recovery + * - The PREEMPT_RT patches mostly deal with this, but also allow a + * tasklet or normal task to be given higher priority than our IRQ + * threads + * Try to avoid blaming the hardware for this. + */ +#define IRQ_TIMEOUT HZ + /* * Loopback test packet structure * @@ -77,6 +87,9 @@ struct efx_loopback_state { struct efx_loopback_payload payload; }; +/* How long to wait for all the packets to arrive (in ms) */ +#define LOOPBACK_TIMEOUT_MS 1000 + /************************************************************************** * * MII, NVRAM and register tests @@ -130,23 +143,25 @@ static int efx_test_chip(struct efx_nic *efx, struct efx_self_tests *tests) static int efx_test_interrupts(struct efx_nic *efx, struct efx_self_tests *tests) { + unsigned long timeout, wait; int cpu; netif_dbg(efx, drv, efx->net_dev, "testing interrupts\n"); tests->interrupt = -1; - /* Reset interrupt flag */ - efx->last_irq_cpu = -1; - smp_wmb(); - - efx_nic_generate_interrupt(efx); + efx_nic_irq_test_start(efx); + timeout = jiffies + IRQ_TIMEOUT; + wait = 1; /* Wait for arrival of test interrupt. */ netif_dbg(efx, drv, efx->net_dev, "waiting for test interrupt\n"); - schedule_timeout_uninterruptible(HZ / 10); - cpu = ACCESS_ONCE(efx->last_irq_cpu); - if (cpu >= 0) - goto success; + do { + schedule_timeout_uninterruptible(wait); + cpu = efx_nic_irq_test_irq_cpu(efx); + if (cpu >= 0) + goto success; + wait *= 2; + } while (time_before(jiffies, timeout)); netif_err(efx, drv, efx->net_dev, "timed out waiting for interrupt\n"); return -ETIMEDOUT; @@ -159,61 +174,86 @@ static int efx_test_interrupts(struct efx_nic *efx, } /* Test generation and receipt of interrupting events */ -static int efx_test_eventq_irq(struct efx_channel *channel, +static int efx_test_eventq_irq(struct efx_nic *efx, struct efx_self_tests *tests) { - struct efx_nic *efx = channel->efx; - unsigned int read_ptr; - bool napi_ran, dma_seen, int_seen; + struct efx_channel *channel; + unsigned int read_ptr[EFX_MAX_CHANNELS]; + unsigned long napi_ran = 0, dma_pend = 0, int_pend = 0; + unsigned long timeout, wait; - read_ptr = channel->eventq_read_ptr; - channel->last_irq_cpu = -1; - smp_wmb(); + BUILD_BUG_ON(EFX_MAX_CHANNELS > BITS_PER_LONG); - efx_nic_generate_test_event(channel); + efx_for_each_channel(channel, efx) { + read_ptr[channel->channel] = channel->eventq_read_ptr; + set_bit(channel->channel, &dma_pend); + set_bit(channel->channel, &int_pend); + efx_nic_event_test_start(channel); + } - /* Wait for arrival of interrupt. NAPI processing may or may + timeout = jiffies + IRQ_TIMEOUT; + wait = 1; + + /* Wait for arrival of interrupts. NAPI processing may or may * not complete in time, but we can cope in any case. */ - msleep(10); - napi_disable(&channel->napi_str); - if (channel->eventq_read_ptr != read_ptr) { - napi_ran = true; - dma_seen = true; - int_seen = true; - } else { - napi_ran = false; - dma_seen = efx_nic_event_present(channel); - int_seen = ACCESS_ONCE(channel->last_irq_cpu) >= 0; - } - napi_enable(&channel->napi_str); - efx_nic_eventq_read_ack(channel); + do { + schedule_timeout_uninterruptible(wait); + + efx_for_each_channel(channel, efx) { + napi_disable(&channel->napi_str); + if (channel->eventq_read_ptr != + read_ptr[channel->channel]) { + set_bit(channel->channel, &napi_ran); + clear_bit(channel->channel, &dma_pend); + clear_bit(channel->channel, &int_pend); + } else { + if (efx_nic_event_present(channel)) + clear_bit(channel->channel, &dma_pend); + if (efx_nic_event_test_irq_cpu(channel) >= 0) + clear_bit(channel->channel, &int_pend); + } + napi_enable(&channel->napi_str); + efx_nic_eventq_read_ack(channel); + } - tests->eventq_dma[channel->channel] = dma_seen ? 1 : -1; - tests->eventq_int[channel->channel] = int_seen ? 1 : -1; + wait *= 2; + } while ((dma_pend || int_pend) && time_before(jiffies, timeout)); - if (dma_seen && int_seen) { - netif_dbg(efx, drv, efx->net_dev, - "channel %d event queue passed (with%s NAPI)\n", - channel->channel, napi_ran ? "" : "out"); - return 0; - } else { - /* Report failure and whether either interrupt or DMA worked */ - netif_err(efx, drv, efx->net_dev, - "channel %d timed out waiting for event queue\n", - channel->channel); - if (int_seen) - netif_err(efx, drv, efx->net_dev, - "channel %d saw interrupt " - "during event queue test\n", - channel->channel); - if (dma_seen) + efx_for_each_channel(channel, efx) { + bool dma_seen = !test_bit(channel->channel, &dma_pend); + bool int_seen = !test_bit(channel->channel, &int_pend); + + tests->eventq_dma[channel->channel] = dma_seen ? 1 : -1; + tests->eventq_int[channel->channel] = int_seen ? 1 : -1; + + if (dma_seen && int_seen) { + netif_dbg(efx, drv, efx->net_dev, + "channel %d event queue passed (with%s NAPI)\n", + channel->channel, + test_bit(channel->channel, &napi_ran) ? + "" : "out"); + } else { + /* Report failure and whether either interrupt or DMA + * worked + */ netif_err(efx, drv, efx->net_dev, - "channel %d event was generated, but " - "failed to trigger an interrupt\n", + "channel %d timed out waiting for event queue\n", channel->channel); - return -ETIMEDOUT; + if (int_seen) + netif_err(efx, drv, efx->net_dev, + "channel %d saw interrupt " + "during event queue test\n", + channel->channel); + if (dma_seen) + netif_err(efx, drv, efx->net_dev, + "channel %d event was generated, but " + "failed to trigger an interrupt\n", + channel->channel); + } } + + return (dma_pend || int_pend) ? -ETIMEDOUT : 0; } static int efx_test_phy(struct efx_nic *efx, struct efx_self_tests *tests, @@ -516,10 +556,10 @@ efx_test_loopback(struct efx_tx_queue *tx_queue, begin_rc = efx_begin_loopback(tx_queue); /* This will normally complete very quickly, but be - * prepared to wait up to 100 ms. */ + * prepared to wait much longer. */ msleep(1); if (!efx_poll_loopback(efx)) { - msleep(100); + msleep(LOOPBACK_TIMEOUT_MS); efx_poll_loopback(efx); } @@ -660,9 +700,10 @@ int efx_selftest(struct efx_nic *efx, struct efx_self_tests *tests, enum efx_loopback_mode loopback_mode = efx->loopback_mode; int phy_mode = efx->phy_mode; enum reset_type reset_method = RESET_TYPE_INVISIBLE; - struct efx_channel *channel; int rc_test = 0, rc_reset = 0, rc; + efx_selftest_async_cancel(efx); + /* Online (i.e. non-disruptive) testing * This checks interrupt generation, event delivery and PHY presence. */ @@ -678,11 +719,9 @@ int efx_selftest(struct efx_nic *efx, struct efx_self_tests *tests, if (rc && !rc_test) rc_test = rc; - efx_for_each_channel(channel, efx) { - rc = efx_test_eventq_irq(channel, tests); - if (rc && !rc_test) - rc_test = rc; - } + rc = efx_test_eventq_irq(efx, tests); + if (rc && !rc_test) + rc_test = rc; if (rc_test) return rc_test; @@ -757,3 +796,36 @@ int efx_selftest(struct efx_nic *efx, struct efx_self_tests *tests, return rc_test; } +void efx_selftest_async_start(struct efx_nic *efx) +{ + struct efx_channel *channel; + + efx_for_each_channel(channel, efx) + efx_nic_event_test_start(channel); + schedule_delayed_work(&efx->selftest_work, IRQ_TIMEOUT); +} + +void efx_selftest_async_cancel(struct efx_nic *efx) +{ + cancel_delayed_work_sync(&efx->selftest_work); +} + +void efx_selftest_async_work(struct work_struct *data) +{ + struct efx_nic *efx = container_of(data, struct efx_nic, + selftest_work.work); + struct efx_channel *channel; + int cpu; + + efx_for_each_channel(channel, efx) { + cpu = efx_nic_event_test_irq_cpu(channel); + if (cpu < 0) + netif_err(efx, ifup, efx->net_dev, + "channel %d failed to trigger an interrupt\n", + channel->channel); + else + netif_dbg(efx, ifup, efx->net_dev, + "channel %d triggered interrupt on CPU %d\n", + channel->channel, cpu); + } +} diff --git a/drivers/net/ethernet/sfc/selftest.h b/drivers/net/ethernet/sfc/selftest.h index 87abe2a53846..aed24b736059 100644 --- a/drivers/net/ethernet/sfc/selftest.h +++ b/drivers/net/ethernet/sfc/selftest.h @@ -48,5 +48,8 @@ extern void efx_loopback_rx_packet(struct efx_nic *efx, extern int efx_selftest(struct efx_nic *efx, struct efx_self_tests *tests, unsigned flags); +extern void efx_selftest_async_start(struct efx_nic *efx); +extern void efx_selftest_async_cancel(struct efx_nic *efx); +extern void efx_selftest_async_work(struct work_struct *data); #endif /* EFX_SELFTEST_H */ diff --git a/drivers/net/ethernet/sfc/siena.c b/drivers/net/ethernet/sfc/siena.c index 7bea79017a05..9f8d7cea3967 100644 --- a/drivers/net/ethernet/sfc/siena.c +++ b/drivers/net/ethernet/sfc/siena.c @@ -409,8 +409,7 @@ static void siena_remove_nic(struct efx_nic *efx) siena_reset_hw(efx, RESET_TYPE_ALL); /* Relinquish the device back to the BMC */ - if (efx_nic_has_mc(efx)) - efx_mcdi_drv_attach(efx, false, NULL); + efx_mcdi_drv_attach(efx, false, NULL); /* Tear down the private nic state */ kfree(efx->nic_data); diff --git a/drivers/net/ethernet/sfc/siena_sriov.c b/drivers/net/ethernet/sfc/siena_sriov.c index 80976e84eee6..9cb3b84ecae9 100644 --- a/drivers/net/ethernet/sfc/siena_sriov.c +++ b/drivers/net/ethernet/sfc/siena_sriov.c @@ -514,7 +514,7 @@ static bool map_vi_index(struct efx_nic *efx, unsigned abs_index, if (abs_index < EFX_VI_BASE) return true; - vf_i = (abs_index - EFX_VI_BASE) * efx_vf_size(efx); + vf_i = (abs_index - EFX_VI_BASE) / efx_vf_size(efx); if (vf_i >= efx->vf_init_count) return true; |