diff options
Diffstat (limited to 'drivers')
59 files changed, 534 insertions, 264 deletions
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c index 143ec6ea1468..7db193160766 100644 --- a/drivers/acpi/device_pm.c +++ b/drivers/acpi/device_pm.c @@ -878,7 +878,7 @@ int acpi_dev_suspend_late(struct device *dev) return 0; target_state = acpi_target_system_state(); - wakeup = device_may_wakeup(dev); + wakeup = device_may_wakeup(dev) && acpi_device_can_wakeup(adev); error = acpi_device_wakeup(adev, target_state, wakeup); if (wakeup && error) return error; diff --git a/drivers/clocksource/sun4i_timer.c b/drivers/clocksource/sun4i_timer.c index efb17c3ee120..f4a9c0058b4d 100644 --- a/drivers/clocksource/sun4i_timer.c +++ b/drivers/clocksource/sun4i_timer.c @@ -182,6 +182,12 @@ static void __init sun4i_timer_init(struct device_node *node) /* Make sure timer is stopped before playing with interrupts */ sun4i_clkevt_time_stop(0); + sun4i_clockevent.cpumask = cpu_possible_mask; + sun4i_clockevent.irq = irq; + + clockevents_config_and_register(&sun4i_clockevent, rate, + TIMER_SYNC_TICKS, 0xffffffff); + ret = setup_irq(irq, &sun4i_timer_irq); if (ret) pr_warn("failed to setup irq %d\n", irq); @@ -189,12 +195,6 @@ static void __init sun4i_timer_init(struct device_node *node) /* Enable timer0 interrupt */ val = readl(timer_base + TIMER_IRQ_EN_REG); writel(val | TIMER_IRQ_EN(0), timer_base + TIMER_IRQ_EN_REG); - - sun4i_clockevent.cpumask = cpu_possible_mask; - sun4i_clockevent.irq = irq; - - clockevents_config_and_register(&sun4i_clockevent, rate, - TIMER_SYNC_TICKS, 0xffffffff); } CLOCKSOURCE_OF_DECLARE(sun4i, "allwinner,sun4i-a10-timer", sun4i_timer_init); diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 4839bfa74a10..19a99743cf52 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -271,7 +271,7 @@ struct pl330_config { #define DMAC_MODE_NS (1 << 0) unsigned int mode; unsigned int data_bus_width:10; /* In number of bits */ - unsigned int data_buf_dep:10; + unsigned int data_buf_dep:11; unsigned int num_chan:4; unsigned int num_peri:6; u32 peri_ns; @@ -2336,7 +2336,7 @@ static inline int get_burst_len(struct dma_pl330_desc *desc, size_t len) int burst_len; burst_len = pl330->pcfg.data_bus_width / 8; - burst_len *= pl330->pcfg.data_buf_dep; + burst_len *= pl330->pcfg.data_buf_dep / pl330->pcfg.num_chan; burst_len >>= desc->rqcfg.brst_size; /* src/dst_burst_len can't be more than 16 */ @@ -2459,16 +2459,25 @@ pl330_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dst, /* Select max possible burst size */ burst = pl330->pcfg.data_bus_width / 8; - while (burst > 1) { - if (!(len % burst)) - break; + /* + * Make sure we use a burst size that aligns with all the memcpy + * parameters because our DMA programming algorithm doesn't cope with + * transfers which straddle an entry in the DMA device's MFIFO. + */ + while ((src | dst | len) & (burst - 1)) burst /= 2; - } desc->rqcfg.brst_size = 0; while (burst != (1 << desc->rqcfg.brst_size)) desc->rqcfg.brst_size++; + /* + * If burst size is smaller than bus width then make sure we only + * transfer one at a time to avoid a burst stradling an MFIFO entry. + */ + if (desc->rqcfg.brst_size * 8 < pl330->pcfg.data_bus_width) + desc->rqcfg.brst_len = 1; + desc->rqcfg.brst_len = get_burst_len(desc, len); desc->txd.flags = flags; @@ -2732,7 +2741,7 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id) dev_info(&adev->dev, - "Loaded driver for PL330 DMAC-%d\n", adev->periphid); + "Loaded driver for PL330 DMAC-%x\n", adev->periphid); dev_info(&adev->dev, "\tDBUFF-%ux%ubytes Num_Chans-%u Num_Peri-%u Num_Events-%u\n", pcfg->data_buf_dep, pcfg->data_bus_width / 8, pcfg->num_chan, diff --git a/drivers/dma/sun6i-dma.c b/drivers/dma/sun6i-dma.c index 3aa10b328254..91292f5513ff 100644 --- a/drivers/dma/sun6i-dma.c +++ b/drivers/dma/sun6i-dma.c @@ -230,30 +230,25 @@ static inline void sun6i_dma_dump_chan_regs(struct sun6i_dma_dev *sdev, readl(pchan->base + DMA_CHAN_CUR_PARA)); } -static inline int convert_burst(u32 maxburst, u8 *burst) +static inline s8 convert_burst(u32 maxburst) { switch (maxburst) { case 1: - *burst = 0; - break; + return 0; case 8: - *burst = 2; - break; + return 2; default: return -EINVAL; } - - return 0; } -static inline int convert_buswidth(enum dma_slave_buswidth addr_width, u8 *width) +static inline s8 convert_buswidth(enum dma_slave_buswidth addr_width) { if ((addr_width < DMA_SLAVE_BUSWIDTH_1_BYTE) || (addr_width > DMA_SLAVE_BUSWIDTH_4_BYTES)) return -EINVAL; - *width = addr_width >> 1; - return 0; + return addr_width >> 1; } static void *sun6i_dma_lli_add(struct sun6i_dma_lli *prev, @@ -284,26 +279,25 @@ static inline int sun6i_dma_cfg_lli(struct sun6i_dma_lli *lli, struct dma_slave_config *config) { u8 src_width, dst_width, src_burst, dst_burst; - int ret; if (!config) return -EINVAL; - ret = convert_burst(config->src_maxburst, &src_burst); - if (ret) - return ret; + src_burst = convert_burst(config->src_maxburst); + if (src_burst) + return src_burst; - ret = convert_burst(config->dst_maxburst, &dst_burst); - if (ret) - return ret; + dst_burst = convert_burst(config->dst_maxburst); + if (dst_burst) + return dst_burst; - ret = convert_buswidth(config->src_addr_width, &src_width); - if (ret) - return ret; + src_width = convert_buswidth(config->src_addr_width); + if (src_width) + return src_width; - ret = convert_buswidth(config->dst_addr_width, &dst_width); - if (ret) - return ret; + dst_width = convert_buswidth(config->dst_addr_width); + if (dst_width) + return dst_width; lli->cfg = DMA_CHAN_CFG_SRC_BURST(src_burst) | DMA_CHAN_CFG_SRC_WIDTH(src_width) | @@ -542,11 +536,10 @@ static struct dma_async_tx_descriptor *sun6i_dma_prep_dma_memcpy( { struct sun6i_dma_dev *sdev = to_sun6i_dma_dev(chan->device); struct sun6i_vchan *vchan = to_sun6i_vchan(chan); - struct dma_slave_config *sconfig = &vchan->cfg; struct sun6i_dma_lli *v_lli; struct sun6i_desc *txd; dma_addr_t p_lli; - int ret; + s8 burst, width; dev_dbg(chan2dev(chan), "%s; chan: %d, dest: %pad, src: %pad, len: %zu. flags: 0x%08lx\n", @@ -565,14 +558,21 @@ static struct dma_async_tx_descriptor *sun6i_dma_prep_dma_memcpy( goto err_txd_free; } - ret = sun6i_dma_cfg_lli(v_lli, src, dest, len, sconfig); - if (ret) - goto err_dma_free; + v_lli->src = src; + v_lli->dst = dest; + v_lli->len = len; + v_lli->para = NORMAL_WAIT; + burst = convert_burst(8); + width = convert_buswidth(DMA_SLAVE_BUSWIDTH_4_BYTES); v_lli->cfg |= DMA_CHAN_CFG_SRC_DRQ(DRQ_SDRAM) | DMA_CHAN_CFG_DST_DRQ(DRQ_SDRAM) | DMA_CHAN_CFG_DST_LINEAR_MODE | - DMA_CHAN_CFG_SRC_LINEAR_MODE; + DMA_CHAN_CFG_SRC_LINEAR_MODE | + DMA_CHAN_CFG_SRC_BURST(burst) | + DMA_CHAN_CFG_SRC_WIDTH(width) | + DMA_CHAN_CFG_DST_BURST(burst) | + DMA_CHAN_CFG_DST_WIDTH(width); sun6i_dma_lli_add(NULL, v_lli, p_lli, txd); @@ -580,8 +580,6 @@ static struct dma_async_tx_descriptor *sun6i_dma_prep_dma_memcpy( return vchan_tx_prep(&vchan->vc, &txd->vd, flags); -err_dma_free: - dma_pool_free(sdev->pool, v_lli, p_lli); err_txd_free: kfree(txd); return NULL; @@ -915,6 +913,7 @@ static int sun6i_dma_probe(struct platform_device *pdev) sdc->slave.device_prep_dma_memcpy = sun6i_dma_prep_dma_memcpy; sdc->slave.device_control = sun6i_dma_control; sdc->slave.chancnt = NR_MAX_VCHANS; + sdc->slave.copy_align = 4; sdc->slave.dev = &pdev->dev; diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 1403b01e8216..318ade9bb5af 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1670,15 +1670,17 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) goto out_regs; if (drm_core_check_feature(dev, DRIVER_MODESET)) { - ret = i915_kick_out_vgacon(dev_priv); + /* WARNING: Apparently we must kick fbdev drivers before vgacon, + * otherwise the vga fbdev driver falls over. */ + ret = i915_kick_out_firmware_fb(dev_priv); if (ret) { - DRM_ERROR("failed to remove conflicting VGA console\n"); + DRM_ERROR("failed to remove conflicting framebuffer drivers\n"); goto out_gtt; } - ret = i915_kick_out_firmware_fb(dev_priv); + ret = i915_kick_out_vgacon(dev_priv); if (ret) { - DRM_ERROR("failed to remove conflicting framebuffer drivers\n"); + DRM_ERROR("failed to remove conflicting VGA console\n"); goto out_gtt; } } diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index c27b6140bfd1..ad2fd605f76b 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -5469,11 +5469,6 @@ static void gen6_init_clock_gating(struct drm_device *dev) I915_WRITE(_3D_CHICKEN, _MASKED_BIT_ENABLE(_3D_CHICKEN_HIZ_PLANE_DISABLE_MSAA_4X_SNB)); - /* WaSetupGtModeTdRowDispatch:snb */ - if (IS_SNB_GT1(dev)) - I915_WRITE(GEN6_GT_MODE, - _MASKED_BIT_ENABLE(GEN6_TD_FOUR_ROW_DISPATCH_DISABLE)); - /* WaDisable_RenderCache_OperationalFlush:snb */ I915_WRITE(CACHE_MODE_0, _MASKED_BIT_DISABLE(RC_OP_FLUSH_ENABLE)); diff --git a/drivers/gpu/drm/radeon/r600_dpm.c b/drivers/gpu/drm/radeon/r600_dpm.c index f6309bd23e01..b5c73df8e202 100644 --- a/drivers/gpu/drm/radeon/r600_dpm.c +++ b/drivers/gpu/drm/radeon/r600_dpm.c @@ -1256,7 +1256,7 @@ int r600_parse_extended_power_table(struct radeon_device *rdev) (mode_info->atom_context->bios + data_offset + le16_to_cpu(ext_hdr->usPowerTuneTableOffset)); rdev->pm.dpm.dyn_state.cac_tdp_table->maximum_power_delivery_limit = - ppt->usMaximumPowerDeliveryLimit; + le16_to_cpu(ppt->usMaximumPowerDeliveryLimit); pt = &ppt->power_tune_table; } else { ATOM_PPLIB_POWERTUNE_Table *ppt = (ATOM_PPLIB_POWERTUNE_Table *) diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c index 9a19e52cc655..6b670b0bc47b 100644 --- a/drivers/gpu/drm/radeon/radeon_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -179,6 +179,9 @@ static void radeon_encoder_add_backlight(struct radeon_encoder *radeon_encoder, (rdev->pdev->subsystem_vendor == 0x1734) && (rdev->pdev->subsystem_device == 0x1107)) use_bl = false; + /* disable native backlight control on older asics */ + else if (rdev->family < CHIP_R600) + use_bl = false; else use_bl = true; } diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c index 3effa931fce2..10641b7816f4 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -115,9 +115,12 @@ isert_conn_setup_qp(struct isert_conn *isert_conn, struct rdma_cm_id *cma_id, attr.cap.max_recv_wr = ISERT_QP_MAX_RECV_DTOS; /* * FIXME: Use devattr.max_sge - 2 for max_send_sge as - * work-around for RDMA_READ.. + * work-around for RDMA_READs with ConnectX-2. + * + * Also, still make sure to have at least two SGEs for + * outgoing control PDU responses. */ - attr.cap.max_send_sge = device->dev_attr.max_sge - 2; + attr.cap.max_send_sge = max(2, device->dev_attr.max_sge - 2); isert_conn->max_sge = attr.cap.max_send_sge; attr.cap.max_recv_sge = 1; @@ -225,12 +228,16 @@ isert_create_device_ib_res(struct isert_device *device) struct isert_cq_desc *cq_desc; struct ib_device_attr *dev_attr; int ret = 0, i, j; + int max_rx_cqe, max_tx_cqe; dev_attr = &device->dev_attr; ret = isert_query_device(ib_dev, dev_attr); if (ret) return ret; + max_rx_cqe = min(ISER_MAX_RX_CQ_LEN, dev_attr->max_cqe); + max_tx_cqe = min(ISER_MAX_TX_CQ_LEN, dev_attr->max_cqe); + /* asign function handlers */ if (dev_attr->device_cap_flags & IB_DEVICE_MEM_MGT_EXTENSIONS && dev_attr->device_cap_flags & IB_DEVICE_SIGNATURE_HANDOVER) { @@ -272,7 +279,7 @@ isert_create_device_ib_res(struct isert_device *device) isert_cq_rx_callback, isert_cq_event_callback, (void *)&cq_desc[i], - ISER_MAX_RX_CQ_LEN, i); + max_rx_cqe, i); if (IS_ERR(device->dev_rx_cq[i])) { ret = PTR_ERR(device->dev_rx_cq[i]); device->dev_rx_cq[i] = NULL; @@ -284,7 +291,7 @@ isert_create_device_ib_res(struct isert_device *device) isert_cq_tx_callback, isert_cq_event_callback, (void *)&cq_desc[i], - ISER_MAX_TX_CQ_LEN, i); + max_tx_cqe, i); if (IS_ERR(device->dev_tx_cq[i])) { ret = PTR_ERR(device->dev_tx_cq[i]); device->dev_tx_cq[i] = NULL; @@ -803,14 +810,25 @@ wake_up: complete(&isert_conn->conn_wait); } -static void +static int isert_disconnected_handler(struct rdma_cm_id *cma_id, bool disconnect) { - struct isert_conn *isert_conn = (struct isert_conn *)cma_id->context; + struct isert_conn *isert_conn; + + if (!cma_id->qp) { + struct isert_np *isert_np = cma_id->context; + + isert_np->np_cm_id = NULL; + return -1; + } + + isert_conn = (struct isert_conn *)cma_id->context; isert_conn->disconnect = disconnect; INIT_WORK(&isert_conn->conn_logout_work, isert_disconnect_work); schedule_work(&isert_conn->conn_logout_work); + + return 0; } static int @@ -825,6 +843,9 @@ isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) switch (event->event) { case RDMA_CM_EVENT_CONNECT_REQUEST: ret = isert_connect_request(cma_id, event); + if (ret) + pr_err("isert_cma_handler failed RDMA_CM_EVENT: 0x%08x %d\n", + event->event, ret); break; case RDMA_CM_EVENT_ESTABLISHED: isert_connected_handler(cma_id); @@ -834,7 +855,7 @@ isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) case RDMA_CM_EVENT_DEVICE_REMOVAL: /* FALLTHRU */ disconnect = true; case RDMA_CM_EVENT_TIMEWAIT_EXIT: /* FALLTHRU */ - isert_disconnected_handler(cma_id, disconnect); + ret = isert_disconnected_handler(cma_id, disconnect); break; case RDMA_CM_EVENT_CONNECT_ERROR: default: @@ -842,12 +863,6 @@ isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) break; } - if (ret != 0) { - pr_err("isert_cma_handler failed RDMA_CM_EVENT: 0x%08x %d\n", - event->event, ret); - dump_stack(); - } - return ret; } @@ -3190,7 +3205,8 @@ isert_free_np(struct iscsi_np *np) { struct isert_np *isert_np = (struct isert_np *)np->np_context; - rdma_destroy_id(isert_np->np_cm_id); + if (isert_np->np_cm_id) + rdma_destroy_id(isert_np->np_cm_id); np->np_context = NULL; kfree(isert_np); diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index 7206547c13ce..dc829682701a 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -2092,6 +2092,7 @@ static int srpt_create_ch_ib(struct srpt_rdma_ch *ch) if (!qp_init) goto out; +retry: ch->cq = ib_create_cq(sdev->device, srpt_completion, NULL, ch, ch->rq_size + srp_sq_size, 0); if (IS_ERR(ch->cq)) { @@ -2115,6 +2116,13 @@ static int srpt_create_ch_ib(struct srpt_rdma_ch *ch) ch->qp = ib_create_qp(sdev->pd, qp_init); if (IS_ERR(ch->qp)) { ret = PTR_ERR(ch->qp); + if (ret == -ENOMEM) { + srp_sq_size /= 2; + if (srp_sq_size >= MIN_SRPT_SQ_SIZE) { + ib_destroy_cq(ch->cq); + goto retry; + } + } printk(KERN_ERR "failed to create_qp ret= %d\n", ret); goto err_destroy_cq; } diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index c9ac06cfe6b7..a5115fb7cf33 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -2471,7 +2471,8 @@ static void bond_loadbalance_arp_mon(struct work_struct *work) bond_slave_state_change(bond); if (BOND_MODE(bond) == BOND_MODE_XOR) bond_update_slave_arr(bond, NULL); - } else if (do_failover) { + } + if (do_failover) { block_netpoll_tx(); bond_select_active_slave(bond); unblock_netpoll_tx(); diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c index 02492d241e4c..2cfe5012e4e5 100644 --- a/drivers/net/can/dev.c +++ b/drivers/net/can/dev.c @@ -110,7 +110,7 @@ static int can_calc_bittiming(struct net_device *dev, struct can_bittiming *bt, long rate; u64 v64; - /* Use CIA recommended sample points */ + /* Use CiA recommended sample points */ if (bt->sample_point) { sampl_pt = bt->sample_point; } else { @@ -382,7 +382,7 @@ void can_free_echo_skb(struct net_device *dev, unsigned int idx) BUG_ON(idx >= priv->echo_skb_max); if (priv->echo_skb[idx]) { - kfree_skb(priv->echo_skb[idx]); + dev_kfree_skb_any(priv->echo_skb[idx]); priv->echo_skb[idx] = NULL; } } diff --git a/drivers/net/can/m_can/Kconfig b/drivers/net/can/m_can/Kconfig index fca5482c09ac..04f20dd39007 100644 --- a/drivers/net/can/m_can/Kconfig +++ b/drivers/net/can/m_can/Kconfig @@ -1,4 +1,5 @@ config CAN_M_CAN + depends on HAS_IOMEM tristate "Bosch M_CAN devices" ---help--- Say Y here if you want to support for Bosch M_CAN controller. diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index 10d571eaed85..d7bc462aafdc 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -105,14 +105,36 @@ enum m_can_mram_cfg { MRAM_CFG_NUM, }; +/* Fast Bit Timing & Prescaler Register (FBTP) */ +#define FBTR_FBRP_MASK 0x1f +#define FBTR_FBRP_SHIFT 16 +#define FBTR_FTSEG1_SHIFT 8 +#define FBTR_FTSEG1_MASK (0xf << FBTR_FTSEG1_SHIFT) +#define FBTR_FTSEG2_SHIFT 4 +#define FBTR_FTSEG2_MASK (0x7 << FBTR_FTSEG2_SHIFT) +#define FBTR_FSJW_SHIFT 0 +#define FBTR_FSJW_MASK 0x3 + /* Test Register (TEST) */ #define TEST_LBCK BIT(4) /* CC Control Register(CCCR) */ -#define CCCR_TEST BIT(7) -#define CCCR_MON BIT(5) -#define CCCR_CCE BIT(1) -#define CCCR_INIT BIT(0) +#define CCCR_TEST BIT(7) +#define CCCR_CMR_MASK 0x3 +#define CCCR_CMR_SHIFT 10 +#define CCCR_CMR_CANFD 0x1 +#define CCCR_CMR_CANFD_BRS 0x2 +#define CCCR_CMR_CAN 0x3 +#define CCCR_CME_MASK 0x3 +#define CCCR_CME_SHIFT 8 +#define CCCR_CME_CAN 0 +#define CCCR_CME_CANFD 0x1 +#define CCCR_CME_CANFD_BRS 0x2 +#define CCCR_TEST BIT(7) +#define CCCR_MON BIT(5) +#define CCCR_CCE BIT(1) +#define CCCR_INIT BIT(0) +#define CCCR_CANFD 0x10 /* Bit Timing & Prescaler Register (BTP) */ #define BTR_BRP_MASK 0x3ff @@ -204,6 +226,7 @@ enum m_can_mram_cfg { /* Rx Buffer / FIFO Element Size Configuration (RXESC) */ #define M_CAN_RXESC_8BYTES 0x0 +#define M_CAN_RXESC_64BYTES 0x777 /* Tx Buffer Configuration(TXBC) */ #define TXBC_NDTB_OFF 16 @@ -211,6 +234,7 @@ enum m_can_mram_cfg { /* Tx Buffer Element Size Configuration(TXESC) */ #define TXESC_TBDS_8BYTES 0x0 +#define TXESC_TBDS_64BYTES 0x7 /* Tx Event FIFO Con.guration (TXEFC) */ #define TXEFC_EFS_OFF 16 @@ -219,11 +243,11 @@ enum m_can_mram_cfg { /* Message RAM Configuration (in bytes) */ #define SIDF_ELEMENT_SIZE 4 #define XIDF_ELEMENT_SIZE 8 -#define RXF0_ELEMENT_SIZE 16 -#define RXF1_ELEMENT_SIZE 16 +#define RXF0_ELEMENT_SIZE 72 +#define RXF1_ELEMENT_SIZE 72 #define RXB_ELEMENT_SIZE 16 #define TXE_ELEMENT_SIZE 8 -#define TXB_ELEMENT_SIZE 16 +#define TXB_ELEMENT_SIZE 72 /* Message RAM Elements */ #define M_CAN_FIFO_ID 0x0 @@ -231,11 +255,17 @@ enum m_can_mram_cfg { #define M_CAN_FIFO_DATA(n) (0x8 + ((n) << 2)) /* Rx Buffer Element */ +/* R0 */ #define RX_BUF_ESI BIT(31) #define RX_BUF_XTD BIT(30) #define RX_BUF_RTR BIT(29) +/* R1 */ +#define RX_BUF_ANMF BIT(31) +#define RX_BUF_EDL BIT(21) +#define RX_BUF_BRS BIT(20) /* Tx Buffer Element */ +/* R0 */ #define TX_BUF_XTD BIT(30) #define TX_BUF_RTR BIT(29) @@ -296,6 +326,7 @@ static inline void m_can_config_endisable(const struct m_can_priv *priv, if (enable) { /* enable m_can configuration */ m_can_write(priv, M_CAN_CCCR, cccr | CCCR_INIT); + udelay(5); /* CCCR.CCE can only be set/reset while CCCR.INIT = '1' */ m_can_write(priv, M_CAN_CCCR, cccr | CCCR_INIT | CCCR_CCE); } else { @@ -326,41 +357,67 @@ static inline void m_can_disable_all_interrupts(const struct m_can_priv *priv) m_can_write(priv, M_CAN_ILE, 0x0); } -static void m_can_read_fifo(const struct net_device *dev, struct can_frame *cf, - u32 rxfs) +static void m_can_read_fifo(struct net_device *dev, u32 rxfs) { + struct net_device_stats *stats = &dev->stats; struct m_can_priv *priv = netdev_priv(dev); - u32 id, fgi; + struct canfd_frame *cf; + struct sk_buff *skb; + u32 id, fgi, dlc; + int i; /* calculate the fifo get index for where to read data */ fgi = (rxfs & RXFS_FGI_MASK) >> RXFS_FGI_OFF; + dlc = m_can_fifo_read(priv, fgi, M_CAN_FIFO_DLC); + if (dlc & RX_BUF_EDL) + skb = alloc_canfd_skb(dev, &cf); + else + skb = alloc_can_skb(dev, (struct can_frame **)&cf); + if (!skb) { + stats->rx_dropped++; + return; + } + + if (dlc & RX_BUF_EDL) + cf->len = can_dlc2len((dlc >> 16) & 0x0F); + else + cf->len = get_can_dlc((dlc >> 16) & 0x0F); + id = m_can_fifo_read(priv, fgi, M_CAN_FIFO_ID); if (id & RX_BUF_XTD) cf->can_id = (id & CAN_EFF_MASK) | CAN_EFF_FLAG; else cf->can_id = (id >> 18) & CAN_SFF_MASK; - if (id & RX_BUF_RTR) { + if (id & RX_BUF_ESI) { + cf->flags |= CANFD_ESI; + netdev_dbg(dev, "ESI Error\n"); + } + + if (!(dlc & RX_BUF_EDL) && (id & RX_BUF_RTR)) { cf->can_id |= CAN_RTR_FLAG; } else { - id = m_can_fifo_read(priv, fgi, M_CAN_FIFO_DLC); - cf->can_dlc = get_can_dlc((id >> 16) & 0x0F); - *(u32 *)(cf->data + 0) = m_can_fifo_read(priv, fgi, - M_CAN_FIFO_DATA(0)); - *(u32 *)(cf->data + 4) = m_can_fifo_read(priv, fgi, - M_CAN_FIFO_DATA(1)); + if (dlc & RX_BUF_BRS) + cf->flags |= CANFD_BRS; + + for (i = 0; i < cf->len; i += 4) + *(u32 *)(cf->data + i) = + m_can_fifo_read(priv, fgi, + M_CAN_FIFO_DATA(i / 4)); } /* acknowledge rx fifo 0 */ m_can_write(priv, M_CAN_RXF0A, fgi); + + stats->rx_packets++; + stats->rx_bytes += cf->len; + + netif_receive_skb(skb); } static int m_can_do_rx_poll(struct net_device *dev, int quota) { struct m_can_priv *priv = netdev_priv(dev); - struct net_device_stats *stats = &dev->stats; - struct sk_buff *skb; - struct can_frame *frame; u32 pkts = 0; u32 rxfs; @@ -374,18 +431,7 @@ static int m_can_do_rx_poll(struct net_device *dev, int quota) if (rxfs & RXFS_RFL) netdev_warn(dev, "Rx FIFO 0 Message Lost\n"); - skb = alloc_can_skb(dev, &frame); - if (!skb) { - stats->rx_dropped++; - return pkts; - } - - m_can_read_fifo(dev, frame, rxfs); - - stats->rx_packets++; - stats->rx_bytes += frame->can_dlc; - - netif_receive_skb(skb); + m_can_read_fifo(dev, rxfs); quota--; pkts++; @@ -481,11 +527,23 @@ static int m_can_handle_lec_err(struct net_device *dev, return 1; } +static int __m_can_get_berr_counter(const struct net_device *dev, + struct can_berr_counter *bec) +{ + struct m_can_priv *priv = netdev_priv(dev); + unsigned int ecr; + + ecr = m_can_read(priv, M_CAN_ECR); + bec->rxerr = (ecr & ECR_REC_MASK) >> ECR_REC_SHIFT; + bec->txerr = ecr & ECR_TEC_MASK; + + return 0; +} + static int m_can_get_berr_counter(const struct net_device *dev, struct can_berr_counter *bec) { struct m_can_priv *priv = netdev_priv(dev); - unsigned int ecr; int err; err = clk_prepare_enable(priv->hclk); @@ -498,9 +556,7 @@ static int m_can_get_berr_counter(const struct net_device *dev, return err; } - ecr = m_can_read(priv, M_CAN_ECR); - bec->rxerr = (ecr & ECR_REC_MASK) >> ECR_REC_SHIFT; - bec->txerr = ecr & ECR_TEC_MASK; + __m_can_get_berr_counter(dev, bec); clk_disable_unprepare(priv->cclk); clk_disable_unprepare(priv->hclk); @@ -544,7 +600,7 @@ static int m_can_handle_state_change(struct net_device *dev, if (unlikely(!skb)) return 0; - m_can_get_berr_counter(dev, &bec); + __m_can_get_berr_counter(dev, &bec); switch (new_state) { case CAN_STATE_ERROR_ACTIVE: @@ -596,14 +652,14 @@ static int m_can_handle_state_errors(struct net_device *dev, u32 psr) if ((psr & PSR_EP) && (priv->can.state != CAN_STATE_ERROR_PASSIVE)) { - netdev_dbg(dev, "entered error warning state\n"); + netdev_dbg(dev, "entered error passive state\n"); work_done += m_can_handle_state_change(dev, CAN_STATE_ERROR_PASSIVE); } if ((psr & PSR_BO) && (priv->can.state != CAN_STATE_BUS_OFF)) { - netdev_dbg(dev, "entered error warning state\n"); + netdev_dbg(dev, "entered error bus off state\n"); work_done += m_can_handle_state_change(dev, CAN_STATE_BUS_OFF); } @@ -615,7 +671,7 @@ static void m_can_handle_other_err(struct net_device *dev, u32 irqstatus) { if (irqstatus & IR_WDI) netdev_err(dev, "Message RAM Watchdog event due to missing READY\n"); - if (irqstatus & IR_BEU) + if (irqstatus & IR_ELO) netdev_err(dev, "Error Logging Overflow\n"); if (irqstatus & IR_BEU) netdev_err(dev, "Bit Error Uncorrected\n"); @@ -733,10 +789,23 @@ static const struct can_bittiming_const m_can_bittiming_const = { .brp_inc = 1, }; +static const struct can_bittiming_const m_can_data_bittiming_const = { + .name = KBUILD_MODNAME, + .tseg1_min = 2, /* Time segment 1 = prop_seg + phase_seg1 */ + .tseg1_max = 16, + .tseg2_min = 1, /* Time segment 2 = phase_seg2 */ + .tseg2_max = 8, + .sjw_max = 4, + .brp_min = 1, + .brp_max = 32, + .brp_inc = 1, +}; + static int m_can_set_bittiming(struct net_device *dev) { struct m_can_priv *priv = netdev_priv(dev); const struct can_bittiming *bt = &priv->can.bittiming; + const struct can_bittiming *dbt = &priv->can.data_bittiming; u16 brp, sjw, tseg1, tseg2; u32 reg_btp; @@ -747,7 +816,17 @@ static int m_can_set_bittiming(struct net_device *dev) reg_btp = (brp << BTR_BRP_SHIFT) | (sjw << BTR_SJW_SHIFT) | (tseg1 << BTR_TSEG1_SHIFT) | (tseg2 << BTR_TSEG2_SHIFT); m_can_write(priv, M_CAN_BTP, reg_btp); - netdev_dbg(dev, "setting BTP 0x%x\n", reg_btp); + + if (priv->can.ctrlmode & CAN_CTRLMODE_FD) { + brp = dbt->brp - 1; + sjw = dbt->sjw - 1; + tseg1 = dbt->prop_seg + dbt->phase_seg1 - 1; + tseg2 = dbt->phase_seg2 - 1; + reg_btp = (brp << FBTR_FBRP_SHIFT) | (sjw << FBTR_FSJW_SHIFT) | + (tseg1 << FBTR_FTSEG1_SHIFT) | + (tseg2 << FBTR_FTSEG2_SHIFT); + m_can_write(priv, M_CAN_FBTP, reg_btp); + } return 0; } @@ -767,8 +846,8 @@ static void m_can_chip_config(struct net_device *dev) m_can_config_endisable(priv, true); - /* RX Buffer/FIFO Element Size 8 bytes data field */ - m_can_write(priv, M_CAN_RXESC, M_CAN_RXESC_8BYTES); + /* RX Buffer/FIFO Element Size 64 bytes data field */ + m_can_write(priv, M_CAN_RXESC, M_CAN_RXESC_64BYTES); /* Accept Non-matching Frames Into FIFO 0 */ m_can_write(priv, M_CAN_GFC, 0x0); @@ -777,8 +856,8 @@ static void m_can_chip_config(struct net_device *dev) m_can_write(priv, M_CAN_TXBC, (1 << TXBC_NDTB_OFF) | priv->mcfg[MRAM_TXB].off); - /* only support 8 bytes firstly */ - m_can_write(priv, M_CAN_TXESC, TXESC_TBDS_8BYTES); + /* support 64 bytes payload */ + m_can_write(priv, M_CAN_TXESC, TXESC_TBDS_64BYTES); m_can_write(priv, M_CAN_TXEFC, (1 << TXEFC_EFS_OFF) | priv->mcfg[MRAM_TXE].off); @@ -793,7 +872,8 @@ static void m_can_chip_config(struct net_device *dev) RXFC_FWM_1 | priv->mcfg[MRAM_RXF1].off); cccr = m_can_read(priv, M_CAN_CCCR); - cccr &= ~(CCCR_TEST | CCCR_MON); + cccr &= ~(CCCR_TEST | CCCR_MON | (CCCR_CMR_MASK << CCCR_CMR_SHIFT) | + (CCCR_CME_MASK << CCCR_CME_SHIFT)); test = m_can_read(priv, M_CAN_TEST); test &= ~TEST_LBCK; @@ -805,6 +885,9 @@ static void m_can_chip_config(struct net_device *dev) test |= TEST_LBCK; } + if (priv->can.ctrlmode & CAN_CTRLMODE_FD) + cccr |= CCCR_CME_CANFD_BRS << CCCR_CME_SHIFT; + m_can_write(priv, M_CAN_CCCR, cccr); m_can_write(priv, M_CAN_TEST, test); @@ -869,11 +952,13 @@ static struct net_device *alloc_m_can_dev(void) priv->dev = dev; priv->can.bittiming_const = &m_can_bittiming_const; + priv->can.data_bittiming_const = &m_can_data_bittiming_const; priv->can.do_set_mode = m_can_set_mode; priv->can.do_get_berr_counter = m_can_get_berr_counter; priv->can.ctrlmode_supported = CAN_CTRLMODE_LOOPBACK | CAN_CTRLMODE_LISTENONLY | - CAN_CTRLMODE_BERR_REPORTING; + CAN_CTRLMODE_BERR_REPORTING | + CAN_CTRLMODE_FD; return dev; } @@ -956,8 +1041,9 @@ static netdev_tx_t m_can_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct m_can_priv *priv = netdev_priv(dev); - struct can_frame *cf = (struct can_frame *)skb->data; - u32 id; + struct canfd_frame *cf = (struct canfd_frame *)skb->data; + u32 id, cccr; + int i; if (can_dropped_invalid_skb(dev, skb)) return NETDEV_TX_OK; @@ -976,11 +1062,28 @@ static netdev_tx_t m_can_start_xmit(struct sk_buff *skb, /* message ram configuration */ m_can_fifo_write(priv, 0, M_CAN_FIFO_ID, id); - m_can_fifo_write(priv, 0, M_CAN_FIFO_DLC, cf->can_dlc << 16); - m_can_fifo_write(priv, 0, M_CAN_FIFO_DATA(0), *(u32 *)(cf->data + 0)); - m_can_fifo_write(priv, 0, M_CAN_FIFO_DATA(1), *(u32 *)(cf->data + 4)); + m_can_fifo_write(priv, 0, M_CAN_FIFO_DLC, can_len2dlc(cf->len) << 16); + + for (i = 0; i < cf->len; i += 4) + m_can_fifo_write(priv, 0, M_CAN_FIFO_DATA(i / 4), + *(u32 *)(cf->data + i)); + can_put_echo_skb(skb, dev, 0); + if (priv->can.ctrlmode & CAN_CTRLMODE_FD) { + cccr = m_can_read(priv, M_CAN_CCCR); + cccr &= ~(CCCR_CMR_MASK << CCCR_CMR_SHIFT); + if (can_is_canfd_skb(skb)) { + if (cf->flags & CANFD_BRS) + cccr |= CCCR_CMR_CANFD_BRS << CCCR_CMR_SHIFT; + else + cccr |= CCCR_CMR_CANFD << CCCR_CMR_SHIFT; + } else { + cccr |= CCCR_CMR_CAN << CCCR_CMR_SHIFT; + } + m_can_write(priv, M_CAN_CCCR, cccr); + } + /* enable first TX buffer to start transfer */ m_can_write(priv, M_CAN_TXBTIE, 0x1); m_can_write(priv, M_CAN_TXBAR, 0x1); @@ -992,6 +1095,7 @@ static const struct net_device_ops m_can_netdev_ops = { .ndo_open = m_can_open, .ndo_stop = m_can_close, .ndo_start_xmit = m_can_start_xmit, + .ndo_change_mtu = can_change_mtu, }; static int register_m_can_dev(struct net_device *dev) @@ -1009,7 +1113,7 @@ static int m_can_of_parse_mram(struct platform_device *pdev, struct resource *res; void __iomem *addr; u32 out_val[MRAM_CFG_LEN]; - int ret; + int i, start, end, ret; /* message ram could be shared */ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "message_ram"); @@ -1060,6 +1164,15 @@ static int m_can_of_parse_mram(struct platform_device *pdev, priv->mcfg[MRAM_TXE].off, priv->mcfg[MRAM_TXE].num, priv->mcfg[MRAM_TXB].off, priv->mcfg[MRAM_TXB].num); + /* initialize the entire Message RAM in use to avoid possible + * ECC/parity checksum errors when reading an uninitialized buffer + */ + start = priv->mcfg[MRAM_SIDF].off; + end = priv->mcfg[MRAM_TXB].off + + priv->mcfg[MRAM_TXB].num * TXB_ELEMENT_SIZE; + for (i = start; i < end; i += 4) + writel(0x0, priv->mram_base + i); + return 0; } diff --git a/drivers/net/can/rcar_can.c b/drivers/net/can/rcar_can.c index 1abe133d1594..9718248e55f1 100644 --- a/drivers/net/can/rcar_can.c +++ b/drivers/net/can/rcar_can.c @@ -628,6 +628,7 @@ static const struct net_device_ops rcar_can_netdev_ops = { .ndo_open = rcar_can_open, .ndo_stop = rcar_can_close, .ndo_start_xmit = rcar_can_start_xmit, + .ndo_change_mtu = can_change_mtu, }; static void rcar_can_rx_pkt(struct rcar_can_priv *priv) diff --git a/drivers/net/can/sja1000/kvaser_pci.c b/drivers/net/can/sja1000/kvaser_pci.c index 8ff3424d5147..15c00faeec61 100644 --- a/drivers/net/can/sja1000/kvaser_pci.c +++ b/drivers/net/can/sja1000/kvaser_pci.c @@ -214,7 +214,7 @@ static int kvaser_pci_add_chan(struct pci_dev *pdev, int channel, struct net_device *dev; struct sja1000_priv *priv; struct kvaser_pci *board; - int err, init_step; + int err; dev = alloc_sja1000dev(sizeof(struct kvaser_pci)); if (dev == NULL) @@ -235,7 +235,6 @@ static int kvaser_pci_add_chan(struct pci_dev *pdev, int channel, if (channel == 0) { board->xilinx_ver = ioread8(board->res_addr + XILINX_VERINT) >> 4; - init_step = 2; /* Assert PTADR# - we're in passive mode so the other bits are not important */ @@ -264,8 +263,6 @@ static int kvaser_pci_add_chan(struct pci_dev *pdev, int channel, priv->irq_flags = IRQF_SHARED; dev->irq = pdev->irq; - init_step = 4; - dev_info(&pdev->dev, "reg_base=%p conf_addr=%p irq=%d\n", priv->reg_base, board->conf_addr, dev->irq); diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c index 00f2534dde73..29d3f0938eb8 100644 --- a/drivers/net/can/usb/ems_usb.c +++ b/drivers/net/can/usb/ems_usb.c @@ -434,10 +434,9 @@ static void ems_usb_read_bulk_callback(struct urb *urb) if (urb->actual_length > CPC_HEADER_SIZE) { struct ems_cpc_msg *msg; u8 *ibuf = urb->transfer_buffer; - u8 msg_count, again, start; + u8 msg_count, start; msg_count = ibuf[0] & ~0x80; - again = ibuf[0] & 0x80; start = CPC_HEADER_SIZE; diff --git a/drivers/net/can/usb/esd_usb2.c b/drivers/net/can/usb/esd_usb2.c index b7c9e8b11460..c063a54ab8dd 100644 --- a/drivers/net/can/usb/esd_usb2.c +++ b/drivers/net/can/usb/esd_usb2.c @@ -464,7 +464,6 @@ static void esd_usb2_write_bulk_callback(struct urb *urb) { struct esd_tx_urb_context *context = urb->context; struct esd_usb2_net_priv *priv; - struct esd_usb2 *dev; struct net_device *netdev; size_t size = sizeof(struct esd_usb2_msg); @@ -472,7 +471,6 @@ static void esd_usb2_write_bulk_callback(struct urb *urb) priv = context->priv; netdev = priv->netdev; - dev = priv->usb2; /* free up our allocated buffer */ usb_free_coherent(urb->dev, size, @@ -1143,6 +1141,7 @@ static void esd_usb2_disconnect(struct usb_interface *intf) } } unlink_all_urbs(dev); + kfree(dev); } } diff --git a/drivers/net/can/usb/gs_usb.c b/drivers/net/can/usb/gs_usb.c index 04b0f84612f0..009acc8641fc 100644 --- a/drivers/net/can/usb/gs_usb.c +++ b/drivers/net/can/usb/gs_usb.c @@ -718,6 +718,7 @@ static const struct net_device_ops gs_usb_netdev_ops = { .ndo_open = gs_can_open, .ndo_stop = gs_can_close, .ndo_start_xmit = gs_can_start_xmit, + .ndo_change_mtu = can_change_mtu, }; static struct gs_can *gs_make_candev(unsigned int channel, struct usb_interface *intf) diff --git a/drivers/net/can/xilinx_can.c b/drivers/net/can/xilinx_can.c index 5e8b5609c067..8a998e3884ce 100644 --- a/drivers/net/can/xilinx_can.c +++ b/drivers/net/can/xilinx_can.c @@ -300,7 +300,8 @@ static int xcan_set_bittiming(struct net_device *ndev) static int xcan_chip_start(struct net_device *ndev) { struct xcan_priv *priv = netdev_priv(ndev); - u32 err, reg_msr, reg_sr_mask; + u32 reg_msr, reg_sr_mask; + int err; unsigned long timeout; /* Check if it is in reset mode */ @@ -961,6 +962,7 @@ static const struct net_device_ops xcan_netdev_ops = { .ndo_open = xcan_open, .ndo_stop = xcan_close, .ndo_start_xmit = xcan_start_xmit, + .ndo_change_mtu = can_change_mtu, }; /** diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c index cca604994003..4fe33606f372 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c @@ -1082,7 +1082,7 @@ static int cxgb4_cee_peer_getpg(struct net_device *dev, struct cee_pg *pg) pgid = be32_to_cpu(pcmd.u.dcb.pgid.pgid); for (i = 0; i < CXGB4_MAX_PRIORITY; i++) - pg->prio_pg[i] = (pgid >> (i * 4)) & 0xF; + pg->prio_pg[7 - i] = (pgid >> (i * 4)) & 0xF; INIT_PORT_DCB_READ_PEER_CMD(pcmd, pi->port_id); pcmd.u.dcb.pgrate.type = FW_PORT_DCB_TYPE_PGRATE; diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 9a18e7930b31..3e8475cae4f9 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -4421,6 +4421,11 @@ static void be_del_vxlan_port(struct net_device *netdev, sa_family_t sa_family, "Disabled VxLAN offloads for UDP port %d\n", be16_to_cpu(port)); } + +static bool be_gso_check(struct sk_buff *skb, struct net_device *dev) +{ + return vxlan_gso_check(skb); +} #endif static const struct net_device_ops be_netdev_ops = { @@ -4450,6 +4455,7 @@ static const struct net_device_ops be_netdev_ops = { #ifdef CONFIG_BE2NET_VXLAN .ndo_add_vxlan_port = be_add_vxlan_port, .ndo_del_vxlan_port = be_del_vxlan_port, + .ndo_gso_check = be_gso_check, #endif }; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 02266e3de514..4d69e382b4e5 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -1693,7 +1693,7 @@ int mlx4_en_start_port(struct net_device *dev) mlx4_set_stats_bitmap(mdev->dev, &priv->stats_bitmap); #ifdef CONFIG_MLX4_EN_VXLAN - if (priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS) + if (priv->mdev->dev->caps.tunnel_offload_mode == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) vxlan_get_rx_port(dev); #endif priv->port_up = true; @@ -2355,6 +2355,11 @@ static void mlx4_en_del_vxlan_port(struct net_device *dev, queue_work(priv->mdev->workqueue, &priv->vxlan_del_task); } + +static bool mlx4_en_gso_check(struct sk_buff *skb, struct net_device *dev) +{ + return vxlan_gso_check(skb); +} #endif static const struct net_device_ops mlx4_netdev_ops = { @@ -2386,6 +2391,7 @@ static const struct net_device_ops mlx4_netdev_ops = { #ifdef CONFIG_MLX4_EN_VXLAN .ndo_add_vxlan_port = mlx4_en_add_vxlan_port, .ndo_del_vxlan_port = mlx4_en_del_vxlan_port, + .ndo_gso_check = mlx4_en_gso_check, #endif }; @@ -2416,6 +2422,11 @@ static const struct net_device_ops mlx4_netdev_ops_master = { .ndo_rx_flow_steer = mlx4_en_filter_rfs, #endif .ndo_get_phys_port_id = mlx4_en_get_phys_port_id, +#ifdef CONFIG_MLX4_EN_VXLAN + .ndo_add_vxlan_port = mlx4_en_add_vxlan_port, + .ndo_del_vxlan_port = mlx4_en_del_vxlan_port, + .ndo_gso_check = mlx4_en_gso_check, +#endif }; int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index f5e29f7bdae3..a913b3ad2f89 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c @@ -503,6 +503,11 @@ static void qlcnic_del_vxlan_port(struct net_device *netdev, adapter->flags |= QLCNIC_DEL_VXLAN_PORT; } + +static bool qlcnic_gso_check(struct sk_buff *skb, struct net_device *dev) +{ + return vxlan_gso_check(skb); +} #endif static const struct net_device_ops qlcnic_netdev_ops = { @@ -526,6 +531,7 @@ static const struct net_device_ops qlcnic_netdev_ops = { #ifdef CONFIG_QLCNIC_VXLAN .ndo_add_vxlan_port = qlcnic_add_vxlan_port, .ndo_del_vxlan_port = qlcnic_del_vxlan_port, + .ndo_gso_check = qlcnic_gso_check, #endif #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = qlcnic_poll_controller, diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index d8794488f80a..c560f9aeb55d 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -129,9 +129,9 @@ do { \ #define CPSW_VLAN_AWARE BIT(1) #define CPSW_ALE_VLAN_AWARE 1 -#define CPSW_FIFO_NORMAL_MODE (0 << 15) -#define CPSW_FIFO_DUAL_MAC_MODE (1 << 15) -#define CPSW_FIFO_RATE_LIMIT_MODE (2 << 15) +#define CPSW_FIFO_NORMAL_MODE (0 << 16) +#define CPSW_FIFO_DUAL_MAC_MODE (1 << 16) +#define CPSW_FIFO_RATE_LIMIT_MODE (2 << 16) #define CPSW_INTPACEEN (0x3f << 16) #define CPSW_INTPRESCALE_MASK (0x7FF << 0) diff --git a/drivers/net/ieee802154/fakehard.c b/drivers/net/ieee802154/fakehard.c index 9ce854f43917..6cbc56ad9ff4 100644 --- a/drivers/net/ieee802154/fakehard.c +++ b/drivers/net/ieee802154/fakehard.c @@ -377,17 +377,20 @@ static int ieee802154fake_probe(struct platform_device *pdev) err = wpan_phy_register(phy); if (err) - goto out; + goto err_phy_reg; err = register_netdev(dev); - if (err < 0) - goto out; + if (err) + goto err_netdev_reg; dev_info(&pdev->dev, "Added ieee802154 HardMAC hardware\n"); return 0; -out: - unregister_netdev(dev); +err_netdev_reg: + wpan_phy_unregister(phy); +err_phy_reg: + free_netdev(dev); + wpan_phy_free(phy); return err; } diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c index 1aff970be33e..1dc628ffce2b 100644 --- a/drivers/net/ppp/pptp.c +++ b/drivers/net/ppp/pptp.c @@ -506,7 +506,9 @@ static int pptp_getname(struct socket *sock, struct sockaddr *uaddr, int len = sizeof(struct sockaddr_pppox); struct sockaddr_pppox sp; - sp.sa_family = AF_PPPOX; + memset(&sp.sa_addr, 0, sizeof(sp.sa_addr)); + + sp.sa_family = AF_PPPOX; sp.sa_protocol = PX_PROTO_PPTP; sp.sa_addr.pptp = pppox_sk(sock->sk)->proto.pptp.src_addr; diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 22756db53dca..b8a82b86f909 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -780,6 +780,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x413c, 0x81a4, 8)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */ {QMI_FIXED_INTF(0x413c, 0x81a8, 8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */ {QMI_FIXED_INTF(0x413c, 0x81a9, 8)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ + {QMI_FIXED_INTF(0x03f0, 0x581d, 4)}, /* HP lt4112 LTE/HSPA+ Gobi 4G Module (Huawei me906e) */ /* 4. Gobi 1000 devices */ {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index ec2a8b41ed41..b0bc8ead47de 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1673,6 +1673,40 @@ static const struct attribute_group virtio_net_mrg_rx_group = { }; #endif +static bool virtnet_fail_on_feature(struct virtio_device *vdev, + unsigned int fbit, + const char *fname, const char *dname) +{ + if (!virtio_has_feature(vdev, fbit)) + return false; + + dev_err(&vdev->dev, "device advertises feature %s but not %s", + fname, dname); + + return true; +} + +#define VIRTNET_FAIL_ON(vdev, fbit, dbit) \ + virtnet_fail_on_feature(vdev, fbit, #fbit, dbit) + +static bool virtnet_validate_features(struct virtio_device *vdev) +{ + if (!virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ) && + (VIRTNET_FAIL_ON(vdev, VIRTIO_NET_F_CTRL_RX, + "VIRTIO_NET_F_CTRL_VQ") || + VIRTNET_FAIL_ON(vdev, VIRTIO_NET_F_CTRL_VLAN, + "VIRTIO_NET_F_CTRL_VQ") || + VIRTNET_FAIL_ON(vdev, VIRTIO_NET_F_GUEST_ANNOUNCE, + "VIRTIO_NET_F_CTRL_VQ") || + VIRTNET_FAIL_ON(vdev, VIRTIO_NET_F_MQ, "VIRTIO_NET_F_CTRL_VQ") || + VIRTNET_FAIL_ON(vdev, VIRTIO_NET_F_CTRL_MAC_ADDR, + "VIRTIO_NET_F_CTRL_VQ"))) { + return false; + } + + return true; +} + static int virtnet_probe(struct virtio_device *vdev) { int i, err; @@ -1680,6 +1714,9 @@ static int virtnet_probe(struct virtio_device *vdev) struct virtnet_info *vi; u16 max_queue_pairs; + if (!virtnet_validate_features(vdev)) + return -EINVAL; + /* Find if host supports multiqueue virtio_net device */ err = virtio_cread_feature(vdev, VIRTIO_NET_F_MQ, struct virtio_net_config, diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index fa9dc45b75a6..e1e335c339e3 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -67,12 +67,6 @@ #define VXLAN_FLAGS 0x08000000 /* struct vxlanhdr.vx_flags required value. */ -/* VXLAN protocol header */ -struct vxlanhdr { - __be32 vx_flags; - __be32 vx_vni; -}; - /* UDP port for VXLAN traffic. * The IANA assigned port is 4789, but the Linux default is 8472 * for compatibility with early adopters. diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c index 697c4ae90af0..1e8ea5e4d4ca 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c @@ -664,6 +664,19 @@ static void ar9003_hw_override_ini(struct ath_hw *ah) ah->enabled_cals |= TX_CL_CAL; else ah->enabled_cals &= ~TX_CL_CAL; + + if (AR_SREV_9340(ah) || AR_SREV_9531(ah) || AR_SREV_9550(ah)) { + if (ah->is_clk_25mhz) { + REG_WRITE(ah, AR_RTC_DERIVED_CLK, 0x17c << 1); + REG_WRITE(ah, AR_SLP32_MODE, 0x0010f3d7); + REG_WRITE(ah, AR_SLP32_INC, 0x0001e7ae); + } else { + REG_WRITE(ah, AR_RTC_DERIVED_CLK, 0x261 << 1); + REG_WRITE(ah, AR_SLP32_MODE, 0x0010f400); + REG_WRITE(ah, AR_SLP32_INC, 0x0001e800); + } + udelay(100); + } } static void ar9003_hw_prog_ini(struct ath_hw *ah, diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 8be4b1453394..2ad605760e21 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -861,19 +861,6 @@ static void ath9k_hw_init_pll(struct ath_hw *ah, udelay(RTC_PLL_SETTLE_DELAY); REG_WRITE(ah, AR_RTC_SLEEP_CLK, AR_RTC_FORCE_DERIVED_CLK); - - if (AR_SREV_9340(ah) || AR_SREV_9550(ah)) { - if (ah->is_clk_25mhz) { - REG_WRITE(ah, AR_RTC_DERIVED_CLK, 0x17c << 1); - REG_WRITE(ah, AR_SLP32_MODE, 0x0010f3d7); - REG_WRITE(ah, AR_SLP32_INC, 0x0001e7ae); - } else { - REG_WRITE(ah, AR_RTC_DERIVED_CLK, 0x261 << 1); - REG_WRITE(ah, AR_SLP32_MODE, 0x0010f400); - REG_WRITE(ah, AR_SLP32_INC, 0x0001e800); - } - udelay(100); - } } static void ath9k_hw_init_interrupt_masks(struct ath_hw *ah, diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 30c66dfcd7a0..4f18a6be0c7d 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -974,9 +974,8 @@ void ath9k_calculate_iter_data(struct ath_softc *sc, struct ath_vif *avp; /* - * Pick the MAC address of the first interface as the new hardware - * MAC address. The hardware will use it together with the BSSID mask - * when matching addresses. + * The hardware will use primary station addr together with the + * BSSID mask when matching addresses. */ memset(iter_data, 0, sizeof(*iter_data)); memset(&iter_data->mask, 0xff, ETH_ALEN); @@ -1205,6 +1204,8 @@ static int ath9k_add_interface(struct ieee80211_hw *hw, list_add_tail(&avp->list, &avp->chanctx->vifs); } + ath9k_calculate_summary_state(sc, avp->chanctx); + ath9k_assign_hw_queues(hw, vif); an->sc = sc; @@ -1274,6 +1275,8 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw, ath_tx_node_cleanup(sc, &avp->mcast_node); + ath9k_calculate_summary_state(sc, avp->chanctx); + mutex_unlock(&sc->mutex); } diff --git a/drivers/net/wireless/b43/phy_common.c b/drivers/net/wireless/b43/phy_common.c index 1dfc682a8055..ee27b06074e1 100644 --- a/drivers/net/wireless/b43/phy_common.c +++ b/drivers/net/wireless/b43/phy_common.c @@ -300,9 +300,7 @@ void b43_phy_write(struct b43_wldev *dev, u16 reg, u16 value) void b43_phy_copy(struct b43_wldev *dev, u16 destreg, u16 srcreg) { - assert_mac_suspended(dev); - dev->phy.ops->phy_write(dev, destreg, - dev->phy.ops->phy_read(dev, srcreg)); + b43_phy_write(dev, destreg, b43_phy_read(dev, srcreg)); } void b43_phy_mask(struct b43_wldev *dev, u16 offset, u16 mask) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/of.c b/drivers/net/wireless/brcm80211/brcmfmac/of.c index f05f5270fec1..927bffd5be64 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/of.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/of.c @@ -40,8 +40,8 @@ void brcmf_of_probe(struct brcmf_sdio_dev *sdiodev) return; irq = irq_of_parse_and_map(np, 0); - if (irq < 0) { - brcmf_err("interrupt could not be mapped: err=%d\n", irq); + if (!irq) { + brcmf_err("interrupt could not be mapped\n"); devm_kfree(dev, sdiodev->pdata); return; } diff --git a/drivers/net/wireless/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/brcm80211/brcmfmac/pcie.c index 8c0632ec9f7a..16fef3382019 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/pcie.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/pcie.c @@ -19,10 +19,10 @@ #include <linux/pci.h> #include <linux/vmalloc.h> #include <linux/delay.h> -#include <linux/unaligned/access_ok.h> #include <linux/interrupt.h> #include <linux/bcma/bcma.h> #include <linux/sched.h> +#include <asm/unaligned.h> #include <soc.h> #include <chipcommon.h> diff --git a/drivers/net/wireless/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/brcm80211/brcmfmac/usb.c index dc135915470d..875d1142c8b0 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/usb.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/usb.c @@ -669,10 +669,12 @@ static int brcmf_usb_dl_cmd(struct brcmf_usbdev_info *devinfo, u8 cmd, goto finalize; } - if (!brcmf_usb_ioctl_resp_wait(devinfo)) + if (!brcmf_usb_ioctl_resp_wait(devinfo)) { + usb_kill_urb(devinfo->ctl_urb); ret = -ETIMEDOUT; - else + } else { memcpy(buffer, tmpbuf, buflen); + } finalize: kfree(tmpbuf); diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c index 28fa25b509db..39b45c038a93 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c @@ -299,6 +299,7 @@ static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf, primary_offset = ch->center_freq1 - ch->chan->center_freq; switch (ch->width) { case NL80211_CHAN_WIDTH_20: + case NL80211_CHAN_WIDTH_20_NOHT: ch_inf.bw = BRCMU_CHAN_BW_20; WARN_ON(primary_offset != 0); break; @@ -323,6 +324,10 @@ static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf, ch_inf.sb = BRCMU_CHAN_SB_LU; } break; + case NL80211_CHAN_WIDTH_80P80: + case NL80211_CHAN_WIDTH_160: + case NL80211_CHAN_WIDTH_5: + case NL80211_CHAN_WIDTH_10: default: WARN_ON_ONCE(1); } @@ -333,6 +338,7 @@ static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf, case IEEE80211_BAND_5GHZ: ch_inf.band = BRCMU_CHAN_BAND_5G; break; + case IEEE80211_BAND_60GHZ: default: WARN_ON_ONCE(1); } diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c index b280d5d87127..7554f7053830 100644 --- a/drivers/net/wireless/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/iwlwifi/mvm/scan.c @@ -602,16 +602,6 @@ static int iwl_mvm_cancel_regular_scan(struct iwl_mvm *mvm) SCAN_COMPLETE_NOTIFICATION }; int ret; - if (mvm->scan_status == IWL_MVM_SCAN_NONE) - return 0; - - if (iwl_mvm_is_radio_killed(mvm)) { - ieee80211_scan_completed(mvm->hw, true); - iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN); - mvm->scan_status = IWL_MVM_SCAN_NONE; - return 0; - } - iwl_init_notification_wait(&mvm->notif_wait, &wait_scan_abort, scan_abort_notif, ARRAY_SIZE(scan_abort_notif), @@ -1400,6 +1390,16 @@ int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm, int iwl_mvm_cancel_scan(struct iwl_mvm *mvm) { + if (mvm->scan_status == IWL_MVM_SCAN_NONE) + return 0; + + if (iwl_mvm_is_radio_killed(mvm)) { + ieee80211_scan_completed(mvm->hw, true); + iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN); + mvm->scan_status = IWL_MVM_SCAN_NONE; + return 0; + } + if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN) return iwl_mvm_scan_offload_stop(mvm, true); return iwl_mvm_cancel_regular_scan(mvm); diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index 160c3ebc48d0..dd2f3f8baa9d 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c @@ -1894,8 +1894,7 @@ static u32 iwl_trans_pcie_dump_prph(struct iwl_trans *trans, int reg; __le32 *val; - prph_len += sizeof(*data) + sizeof(*prph) + - num_bytes_in_chunk; + prph_len += sizeof(**data) + sizeof(*prph) + num_bytes_in_chunk; (*data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_PRPH); (*data)->len = cpu_to_le32(sizeof(*prph) + diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index 8e68f87ab13c..66ff36447b94 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -158,55 +158,29 @@ void rt2x00queue_align_frame(struct sk_buff *skb) skb_trim(skb, frame_length); } -void rt2x00queue_insert_l2pad(struct sk_buff *skb, unsigned int header_length) +/* + * H/W needs L2 padding between the header and the paylod if header size + * is not 4 bytes aligned. + */ +void rt2x00queue_insert_l2pad(struct sk_buff *skb, unsigned int hdr_len) { - unsigned int payload_length = skb->len - header_length; - unsigned int header_align = ALIGN_SIZE(skb, 0); - unsigned int payload_align = ALIGN_SIZE(skb, header_length); - unsigned int l2pad = payload_length ? L2PAD_SIZE(header_length) : 0; + unsigned int l2pad = (skb->len > hdr_len) ? L2PAD_SIZE(hdr_len) : 0; - /* - * Adjust the header alignment if the payload needs to be moved more - * than the header. - */ - if (payload_align > header_align) - header_align += 4; - - /* There is nothing to do if no alignment is needed */ - if (!header_align) + if (!l2pad) return; - /* Reserve the amount of space needed in front of the frame */ - skb_push(skb, header_align); - - /* - * Move the header. - */ - memmove(skb->data, skb->data + header_align, header_length); - - /* Move the payload, if present and if required */ - if (payload_length && payload_align) - memmove(skb->data + header_length + l2pad, - skb->data + header_length + l2pad + payload_align, - payload_length); - - /* Trim the skb to the correct size */ - skb_trim(skb, header_length + l2pad + payload_length); + skb_push(skb, l2pad); + memmove(skb->data, skb->data + l2pad, hdr_len); } -void rt2x00queue_remove_l2pad(struct sk_buff *skb, unsigned int header_length) +void rt2x00queue_remove_l2pad(struct sk_buff *skb, unsigned int hdr_len) { - /* - * L2 padding is only present if the skb contains more than just the - * IEEE 802.11 header. - */ - unsigned int l2pad = (skb->len > header_length) ? - L2PAD_SIZE(header_length) : 0; + unsigned int l2pad = (skb->len > hdr_len) ? L2PAD_SIZE(hdr_len) : 0; if (!l2pad) return; - memmove(skb->data + l2pad, skb->data, header_length); + memmove(skb->data + l2pad, skb->data, hdr_len); skb_pull(skb, l2pad); } diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c index 25daa8715219..61f5d36eca6a 100644 --- a/drivers/net/wireless/rtlwifi/pci.c +++ b/drivers/net/wireless/rtlwifi/pci.c @@ -842,7 +842,8 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw) break; } /* handle command packet here */ - if (rtlpriv->cfg->ops->rx_command_packet(hw, stats, skb)) { + if (rtlpriv->cfg->ops->rx_command_packet && + rtlpriv->cfg->ops->rx_command_packet(hw, stats, skb)) { dev_kfree_skb_any(skb); goto end; } @@ -1127,9 +1128,14 @@ static void _rtl_pci_prepare_bcn_tasklet(struct ieee80211_hw *hw) __skb_queue_tail(&ring->queue, pskb); - rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc, true, HW_DESC_OWN, - &temp_one); - + if (rtlpriv->use_new_trx_flow) { + temp_one = 4; + rtlpriv->cfg->ops->set_desc(hw, (u8 *)pbuffer_desc, true, + HW_DESC_OWN, (u8 *)&temp_one); + } else { + rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc, true, HW_DESC_OWN, + &temp_one); + } return; } @@ -1370,9 +1376,9 @@ static void _rtl_pci_free_tx_ring(struct ieee80211_hw *hw, ring->desc = NULL; if (rtlpriv->use_new_trx_flow) { pci_free_consistent(rtlpci->pdev, - sizeof(*ring->desc) * ring->entries, + sizeof(*ring->buffer_desc) * ring->entries, ring->buffer_desc, ring->buffer_desc_dma); - ring->desc = NULL; + ring->buffer_desc = NULL; } } @@ -1543,7 +1549,6 @@ int rtl_pci_reset_trx_ring(struct ieee80211_hw *hw) true, HW_DESC_TXBUFF_ADDR), skb->len, PCI_DMA_TODEVICE); - ring->idx = (ring->idx + 1) % ring->entries; kfree_skb(skb); ring->idx = (ring->idx + 1) % ring->entries; } diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/hw.c b/drivers/net/wireless/rtlwifi/rtl8192se/hw.c index 00e067044c08..5761d5b49e39 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192se/hw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192se/hw.c @@ -1201,6 +1201,9 @@ static int _rtl92se_set_media_status(struct ieee80211_hw *hw, } + if (type != NL80211_IFTYPE_AP && + rtlpriv->mac80211.link_state < MAC80211_LINKED) + bt_msr = rtl_read_byte(rtlpriv, MSR) & ~MSR_LINK_MASK; rtl_write_byte(rtlpriv, (MSR), bt_msr); temp = rtl_read_dword(rtlpriv, TCR); @@ -1262,6 +1265,7 @@ void rtl92se_enable_interrupt(struct ieee80211_hw *hw) rtl_write_dword(rtlpriv, INTA_MASK, rtlpci->irq_mask[0]); /* Support Bit 32-37(Assign as Bit 0-5) interrupt setting now */ rtl_write_dword(rtlpriv, INTA_MASK + 4, rtlpci->irq_mask[1] & 0x3F); + rtlpci->irq_enabled = true; } void rtl92se_disable_interrupt(struct ieee80211_hw *hw) @@ -1276,8 +1280,7 @@ void rtl92se_disable_interrupt(struct ieee80211_hw *hw) rtlpci = rtl_pcidev(rtl_pcipriv(hw)); rtl_write_dword(rtlpriv, INTA_MASK, 0); rtl_write_dword(rtlpriv, INTA_MASK + 4, 0); - - synchronize_irq(rtlpci->pdev->irq); + rtlpci->irq_enabled = false; } static u8 _rtl92s_set_sysclk(struct ieee80211_hw *hw, u8 data) diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/phy.c b/drivers/net/wireless/rtlwifi/rtl8192se/phy.c index 77c5b5f35244..4b4612fe2fdb 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192se/phy.c +++ b/drivers/net/wireless/rtlwifi/rtl8192se/phy.c @@ -399,6 +399,8 @@ static bool _rtl92s_phy_sw_chnl_step_by_step(struct ieee80211_hw *hw, case 2: currentcmd = &postcommoncmd[*step]; break; + default: + return true; } if (currentcmd->cmdid == CMDID_END) { diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/sw.c b/drivers/net/wireless/rtlwifi/rtl8192se/sw.c index aadba29c167a..fb003868bdef 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192se/sw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192se/sw.c @@ -236,6 +236,19 @@ static void rtl92s_deinit_sw_vars(struct ieee80211_hw *hw) } } +static bool rtl92se_is_tx_desc_closed(struct ieee80211_hw *hw, u8 hw_queue, + u16 index) +{ + struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); + struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue]; + u8 *entry = (u8 *)(&ring->desc[ring->idx]); + u8 own = (u8)rtl92se_get_desc(entry, true, HW_DESC_OWN); + + if (own) + return false; + return true; +} + static struct rtl_hal_ops rtl8192se_hal_ops = { .init_sw_vars = rtl92s_init_sw_vars, .deinit_sw_vars = rtl92s_deinit_sw_vars, @@ -269,6 +282,7 @@ static struct rtl_hal_ops rtl8192se_hal_ops = { .led_control = rtl92se_led_control, .set_desc = rtl92se_set_desc, .get_desc = rtl92se_get_desc, + .is_tx_desc_closed = rtl92se_is_tx_desc_closed, .tx_polling = rtl92se_tx_polling, .enable_hw_sec = rtl92se_enable_hw_security_config, .set_key = rtl92se_set_key, @@ -306,6 +320,8 @@ static struct rtl_hal_cfg rtl92se_hal_cfg = { .maps[MAC_RCR_ACRC32] = RCR_ACRC32, .maps[MAC_RCR_ACF] = RCR_ACF, .maps[MAC_RCR_AAP] = RCR_AAP, + .maps[MAC_HIMR] = INTA_MASK, + .maps[MAC_HIMRE] = INTA_MASK + 4, .maps[EFUSE_TEST] = REG_EFUSE_TEST, .maps[EFUSE_CTRL] = REG_EFUSE_CTRL, diff --git a/drivers/of/address.c b/drivers/of/address.c index afdb78299f61..06af494184d6 100644 --- a/drivers/of/address.c +++ b/drivers/of/address.c @@ -450,6 +450,21 @@ static struct of_bus *of_match_bus(struct device_node *np) return NULL; } +static int of_empty_ranges_quirk(void) +{ + if (IS_ENABLED(CONFIG_PPC)) { + /* To save cycles, we cache the result */ + static int quirk_state = -1; + + if (quirk_state < 0) + quirk_state = + of_machine_is_compatible("Power Macintosh") || + of_machine_is_compatible("MacRISC"); + return quirk_state; + } + return false; +} + static int of_translate_one(struct device_node *parent, struct of_bus *bus, struct of_bus *pbus, __be32 *addr, int na, int ns, int pna, const char *rprop) @@ -475,12 +490,10 @@ static int of_translate_one(struct device_node *parent, struct of_bus *bus, * This code is only enabled on powerpc. --gcl */ ranges = of_get_property(parent, rprop, &rlen); -#if !defined(CONFIG_PPC) - if (ranges == NULL) { + if (ranges == NULL && !of_empty_ranges_quirk()) { pr_err("OF: no ranges; cannot translate\n"); return 1; } -#endif /* !defined(CONFIG_PPC) */ if (ranges == NULL || rlen == 0) { offset = of_read_number(addr, na); memset(addr, 0, pna * 4); diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c index f297891d8529..d4994177dec2 100644 --- a/drivers/of/dynamic.c +++ b/drivers/of/dynamic.c @@ -247,7 +247,7 @@ void of_node_release(struct kobject *kobj) * @allocflags: Allocation flags (typically pass GFP_KERNEL) * * Copy a property by dynamically allocating the memory of both the - * property stucture and the property name & contents. The property's + * property structure and the property name & contents. The property's * flags have the OF_DYNAMIC bit set so that we can differentiate between * dynamically allocated properties and not. * Returns the newly allocated property or NULL on out of memory error. diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index d1ffca8b34ea..30e97bcc4f88 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -773,7 +773,7 @@ int __init early_init_dt_scan_chosen_serial(void) if (offset < 0) return -ENODEV; - while (match->compatible) { + while (match->compatible[0]) { unsigned long addr; if (fdt_node_check_compatible(fdt, offset, match->compatible)) { match++; diff --git a/drivers/of/selftest.c b/drivers/of/selftest.c index 11b873c54a77..e2d79afa9dc6 100644 --- a/drivers/of/selftest.c +++ b/drivers/of/selftest.c @@ -896,10 +896,14 @@ static void selftest_data_remove(void) return; } - while (last_node_index >= 0) { + while (last_node_index-- > 0) { if (nodes[last_node_index]) { np = of_find_node_by_path(nodes[last_node_index]->full_name); - if (strcmp(np->full_name, "/aliases") != 0) { + if (np == nodes[last_node_index]) { + if (of_aliases == np) { + of_node_put(of_aliases); + of_aliases = NULL; + } detach_node_and_children(np); } else { for_each_property_of_node(np, prop) { @@ -908,7 +912,6 @@ static void selftest_data_remove(void) } } } - last_node_index--; } } @@ -921,6 +924,8 @@ static int __init of_selftest(void) res = selftest_data_add(); if (res) return res; + if (!of_aliases) + of_aliases = of_find_node_by_path("/aliases"); np = of_find_node_by_path("/testcase-data/phandle-tests/consumer-a"); if (!np) { diff --git a/drivers/pci/access.c b/drivers/pci/access.c index d292d7cb3417..49dd766852ba 100644 --- a/drivers/pci/access.c +++ b/drivers/pci/access.c @@ -444,7 +444,7 @@ static inline int pcie_cap_version(const struct pci_dev *dev) return pcie_caps_reg(dev) & PCI_EXP_FLAGS_VERS; } -static inline bool pcie_cap_has_lnkctl(const struct pci_dev *dev) +bool pcie_cap_has_lnkctl(const struct pci_dev *dev) { int type = pci_pcie_type(dev); diff --git a/drivers/pci/host/pci-xgene.c b/drivers/pci/host/pci-xgene.c index 9ecabfa8c634..2988fe136c1e 100644 --- a/drivers/pci/host/pci-xgene.c +++ b/drivers/pci/host/pci-xgene.c @@ -631,10 +631,15 @@ static int xgene_pcie_probe_bridge(struct platform_device *pdev) if (ret) return ret; - bus = pci_scan_root_bus(&pdev->dev, 0, &xgene_pcie_ops, port, &res); + bus = pci_create_root_bus(&pdev->dev, 0, + &xgene_pcie_ops, port, &res); if (!bus) return -ENOMEM; + pci_scan_child_bus(bus); + pci_assign_unassigned_bus_resources(bus); + pci_bus_add_devices(bus); + platform_set_drvdata(pdev, port); return 0; } diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 0601890db22d..4a3902d8e6fe 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -6,6 +6,8 @@ extern const unsigned char pcie_link_speed[]; +bool pcie_cap_has_lnkctl(const struct pci_dev *dev); + /* Functions internal to the PCI core code */ int pci_create_sysfs_dev_files(struct pci_dev *pdev); diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 5ed99309c758..c8ca98c2b480 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -407,15 +407,16 @@ static void pci_read_bridge_mmio_pref(struct pci_bus *child) { struct pci_dev *dev = child->self; u16 mem_base_lo, mem_limit_lo; - unsigned long base, limit; + u64 base64, limit64; + dma_addr_t base, limit; struct pci_bus_region region; struct resource *res; res = child->resource[2]; pci_read_config_word(dev, PCI_PREF_MEMORY_BASE, &mem_base_lo); pci_read_config_word(dev, PCI_PREF_MEMORY_LIMIT, &mem_limit_lo); - base = ((unsigned long) mem_base_lo & PCI_PREF_RANGE_MASK) << 16; - limit = ((unsigned long) mem_limit_lo & PCI_PREF_RANGE_MASK) << 16; + base64 = (mem_base_lo & PCI_PREF_RANGE_MASK) << 16; + limit64 = (mem_limit_lo & PCI_PREF_RANGE_MASK) << 16; if ((mem_base_lo & PCI_PREF_RANGE_TYPE_MASK) == PCI_PREF_RANGE_TYPE_64) { u32 mem_base_hi, mem_limit_hi; @@ -429,17 +430,20 @@ static void pci_read_bridge_mmio_pref(struct pci_bus *child) * this, just assume they are not being used. */ if (mem_base_hi <= mem_limit_hi) { -#if BITS_PER_LONG == 64 - base |= ((unsigned long) mem_base_hi) << 32; - limit |= ((unsigned long) mem_limit_hi) << 32; -#else - if (mem_base_hi || mem_limit_hi) { - dev_err(&dev->dev, "can't handle 64-bit address space for bridge\n"); - return; - } -#endif + base64 |= (u64) mem_base_hi << 32; + limit64 |= (u64) mem_limit_hi << 32; } } + + base = (dma_addr_t) base64; + limit = (dma_addr_t) limit64; + + if (base != base64) { + dev_err(&dev->dev, "can't handle bridge window above 4GB (bus address %#010llx)\n", + (unsigned long long) base64); + return; + } + if (base <= limit) { res->flags = (mem_base_lo & PCI_PREF_RANGE_TYPE_MASK) | IORESOURCE_MEM | IORESOURCE_PREFETCH; @@ -1323,7 +1327,7 @@ static void program_hpp_type2(struct pci_dev *dev, struct hpp_type2 *hpp) ~hpp->pci_exp_devctl_and, hpp->pci_exp_devctl_or); /* Initialize Link Control Register */ - if (dev->subordinate) + if (pcie_cap_has_lnkctl(dev)) pcie_capability_clear_and_set_word(dev, PCI_EXP_LNKCTL, ~hpp->pci_exp_lnkctl_and, hpp->pci_exp_lnkctl_or); diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c index 81bb3bd7909d..15081257cfc8 100644 --- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c +++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c @@ -828,6 +828,8 @@ static void do_act_open_rpl(struct cxgbi_device *cdev, struct sk_buff *skb) if (status == CPL_ERR_RTX_NEG_ADVICE) goto rel_skb; + module_put(THIS_MODULE); + if (status && status != CPL_ERR_TCAM_FULL && status != CPL_ERR_CONN_EXIST && status != CPL_ERR_ARP_MISS) diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index 13d869a92248..7da59c38a69e 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -816,7 +816,7 @@ static void cxgbi_inform_iscsi_conn_closing(struct cxgbi_sock *csk) read_lock_bh(&csk->callback_lock); if (csk->user_data) iscsi_conn_failure(csk->user_data, - ISCSI_ERR_CONN_FAILED); + ISCSI_ERR_TCP_CONN_CLOSE); read_unlock_bh(&csk->callback_lock); } } diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index b19e4329ba00..73e58d22e325 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -3491,7 +3491,7 @@ iscsit_build_sendtargets_response(struct iscsi_cmd *cmd, len = sprintf(buf, "TargetAddress=" "%s:%hu,%hu", inaddr_any ? conn->local_ip : np->np_ip, - inaddr_any ? conn->local_port : np->np_port, + np->np_port, tpg->tpgt); len += 1; diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index 8c60a1a1ae8d..9f93b8234095 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -2738,7 +2738,8 @@ core_scsi3_pro_preempt(struct se_cmd *cmd, int type, int scope, u64 res_key, struct t10_pr_registration *pr_reg, *pr_reg_tmp, *pr_reg_n, *pr_res_holder; struct t10_reservation *pr_tmpl = &dev->t10_pr; u32 pr_res_mapped_lun = 0; - int all_reg = 0, calling_it_nexus = 0, released_regs = 0; + int all_reg = 0, calling_it_nexus = 0; + bool sa_res_key_unmatched = sa_res_key != 0; int prh_type = 0, prh_scope = 0; if (!se_sess) @@ -2813,6 +2814,7 @@ core_scsi3_pro_preempt(struct se_cmd *cmd, int type, int scope, u64 res_key, if (!all_reg) { if (pr_reg->pr_res_key != sa_res_key) continue; + sa_res_key_unmatched = false; calling_it_nexus = (pr_reg_n == pr_reg) ? 1 : 0; pr_reg_nacl = pr_reg->pr_reg_nacl; @@ -2820,7 +2822,6 @@ core_scsi3_pro_preempt(struct se_cmd *cmd, int type, int scope, u64 res_key, __core_scsi3_free_registration(dev, pr_reg, (preempt_type == PREEMPT_AND_ABORT) ? &preempt_and_abort_list : NULL, calling_it_nexus); - released_regs++; } else { /* * Case for any existing all registrants type @@ -2838,6 +2839,7 @@ core_scsi3_pro_preempt(struct se_cmd *cmd, int type, int scope, u64 res_key, if ((sa_res_key) && (pr_reg->pr_res_key != sa_res_key)) continue; + sa_res_key_unmatched = false; calling_it_nexus = (pr_reg_n == pr_reg) ? 1 : 0; if (calling_it_nexus) @@ -2848,7 +2850,6 @@ core_scsi3_pro_preempt(struct se_cmd *cmd, int type, int scope, u64 res_key, __core_scsi3_free_registration(dev, pr_reg, (preempt_type == PREEMPT_AND_ABORT) ? &preempt_and_abort_list : NULL, 0); - released_regs++; } if (!calling_it_nexus) core_scsi3_ua_allocate(pr_reg_nacl, @@ -2863,7 +2864,7 @@ core_scsi3_pro_preempt(struct se_cmd *cmd, int type, int scope, u64 res_key, * registered reservation key, then the device server shall * complete the command with RESERVATION CONFLICT status. */ - if (!released_regs) { + if (sa_res_key_unmatched) { spin_unlock(&dev->dev_reservation_lock); core_scsi3_put_pr_reg(pr_reg_n); return TCM_RESERVATION_CONFLICT; diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 9ea0d5f03f7a..be877bf6f730 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -2292,7 +2292,7 @@ transport_generic_new_cmd(struct se_cmd *cmd) * and let it call back once the write buffers are ready. */ target_add_to_state_list(cmd); - if (cmd->data_direction != DMA_TO_DEVICE) { + if (cmd->data_direction != DMA_TO_DEVICE || cmd->data_length == 0) { target_execute_cmd(cmd); return 0; } diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c index 69906cacd04f..a17f11850669 100644 --- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -1312,6 +1312,7 @@ static int vhost_scsi_set_endpoint(struct vhost_scsi *vs, struct vhost_scsi_target *t) { + struct se_portal_group *se_tpg; struct tcm_vhost_tport *tv_tport; struct tcm_vhost_tpg *tpg; struct tcm_vhost_tpg **vs_tpg; @@ -1359,6 +1360,21 @@ vhost_scsi_set_endpoint(struct vhost_scsi *vs, ret = -EEXIST; goto out; } + /* + * In order to ensure individual vhost-scsi configfs + * groups cannot be removed while in use by vhost ioctl, + * go ahead and take an explicit se_tpg->tpg_group.cg_item + * dependency now. + */ + se_tpg = &tpg->se_tpg; + ret = configfs_depend_item(se_tpg->se_tpg_tfo->tf_subsys, + &se_tpg->tpg_group.cg_item); + if (ret) { + pr_warn("configfs_depend_item() failed: %d\n", ret); + kfree(vs_tpg); + mutex_unlock(&tpg->tv_tpg_mutex); + goto out; + } tpg->tv_tpg_vhost_count++; tpg->vhost_scsi = vs; vs_tpg[tpg->tport_tpgt] = tpg; @@ -1401,6 +1417,7 @@ static int vhost_scsi_clear_endpoint(struct vhost_scsi *vs, struct vhost_scsi_target *t) { + struct se_portal_group *se_tpg; struct tcm_vhost_tport *tv_tport; struct tcm_vhost_tpg *tpg; struct vhost_virtqueue *vq; @@ -1449,6 +1466,13 @@ vhost_scsi_clear_endpoint(struct vhost_scsi *vs, vs->vs_tpg[target] = NULL; match = true; mutex_unlock(&tpg->tv_tpg_mutex); + /* + * Release se_tpg->tpg_group.cg_item configfs dependency now + * to allow vhost-scsi WWPN se_tpg->tpg_group shutdown to occur. + */ + se_tpg = &tpg->se_tpg; + configfs_undepend_item(se_tpg->se_tpg_tfo->tf_subsys, + &se_tpg->tpg_group.cg_item); } if (match) { for (i = 0; i < VHOST_SCSI_MAX_VQ; i++) { |