diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/vxge/vxge-config.c | 30 | ||||
| -rw-r--r-- | drivers/net/vxge/vxge-config.h | 10 | ||||
| -rw-r--r-- | drivers/net/vxge/vxge-main.c | 159 | ||||
| -rw-r--r-- | drivers/net/vxge/vxge-main.h | 23 | ||||
| -rw-r--r-- | drivers/net/vxge/vxge-traffic.c | 116 | ||||
| -rw-r--r-- | drivers/net/vxge/vxge-traffic.h | 14 |
6 files changed, 302 insertions, 50 deletions
diff --git a/drivers/net/vxge/vxge-config.c b/drivers/net/vxge/vxge-config.c index da35562ba48..77097e383cf 100644 --- a/drivers/net/vxge/vxge-config.c +++ b/drivers/net/vxge/vxge-config.c @@ -2868,6 +2868,8 @@ __vxge_hw_ring_create(struct __vxge_hw_vpath_handle *vp, ring->rxd_init = attr->rxd_init; ring->rxd_term = attr->rxd_term; ring->buffer_mode = config->buffer_mode; + ring->tim_rti_cfg1_saved = vp->vpath->tim_rti_cfg1_saved; + ring->tim_rti_cfg3_saved = vp->vpath->tim_rti_cfg3_saved; ring->rxds_limit = config->rxds_limit; ring->rxd_size = vxge_hw_ring_rxd_size_get(config->buffer_mode); @@ -3511,6 +3513,8 @@ __vxge_hw_fifo_create(struct __vxge_hw_vpath_handle *vp, /* apply "interrupts per txdl" attribute */ fifo->interrupt_type = VXGE_HW_FIFO_TXD_INT_TYPE_UTILZ; + fifo->tim_tti_cfg1_saved = vpath->tim_tti_cfg1_saved; + fifo->tim_tti_cfg3_saved = vpath->tim_tti_cfg3_saved; if (fifo->config->intr) fifo->interrupt_type = VXGE_HW_FIFO_TXD_INT_TYPE_PER_LIST; @@ -4377,6 +4381,8 @@ __vxge_hw_vpath_tim_configure(struct __vxge_hw_device *hldev, u32 vp_id) } writeq(val64, &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]); + vpath->tim_tti_cfg1_saved = val64; + val64 = readq(&vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_TX]); if (config->tti.uec_a != VXGE_HW_USE_FLASH_DEFAULT) { @@ -4433,6 +4439,7 @@ __vxge_hw_vpath_tim_configure(struct __vxge_hw_device *hldev, u32 vp_id) } writeq(val64, &vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_TX]); + vpath->tim_tti_cfg3_saved = val64; } if (config->ring.enable == VXGE_HW_RING_ENABLE) { @@ -4481,6 +4488,8 @@ __vxge_hw_vpath_tim_configure(struct __vxge_hw_device *hldev, u32 vp_id) } writeq(val64, &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_RX]); + vpath->tim_rti_cfg1_saved = val64; + val64 = readq(&vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_RX]); if (config->rti.uec_a != VXGE_HW_USE_FLASH_DEFAULT) { @@ -4537,6 +4546,7 @@ __vxge_hw_vpath_tim_configure(struct __vxge_hw_device *hldev, u32 vp_id) } writeq(val64, &vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_RX]); + vpath->tim_rti_cfg3_saved = val64; } val64 = 0; @@ -4555,26 +4565,6 @@ __vxge_hw_vpath_tim_configure(struct __vxge_hw_device *hldev, u32 vp_id) return status; } -void vxge_hw_vpath_tti_ci_set(struct __vxge_hw_device *hldev, u32 vp_id) -{ - struct __vxge_hw_virtualpath *vpath; - struct vxge_hw_vpath_reg __iomem *vp_reg; - struct vxge_hw_vp_config *config; - u64 val64; - - vpath = &hldev->virtual_paths[vp_id]; - vp_reg = vpath->vp_reg; - config = vpath->vp_config; - - if (config->fifo.enable == VXGE_HW_FIFO_ENABLE && - config->tti.timer_ci_en != VXGE_HW_TIM_TIMER_CI_ENABLE) { - config->tti.timer_ci_en = VXGE_HW_TIM_TIMER_CI_ENABLE; - val64 = readq(&vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]); - val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI; - writeq(val64, &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]); - } -} - /* * __vxge_hw_vpath_initialize * This routine is the final phase of init which initializes the diff --git a/drivers/net/vxge/vxge-config.h b/drivers/net/vxge/vxge-config.h index e249e288d16..3c53aa732c9 100644 --- a/drivers/net/vxge/vxge-config.h +++ b/drivers/net/vxge/vxge-config.h @@ -682,6 +682,10 @@ struct __vxge_hw_virtualpath { u32 vsport_number; u32 max_kdfc_db; u32 max_nofl_db; + u64 tim_tti_cfg1_saved; + u64 tim_tti_cfg3_saved; + u64 tim_rti_cfg1_saved; + u64 tim_rti_cfg3_saved; struct __vxge_hw_ring *____cacheline_aligned ringh; struct __vxge_hw_fifo *____cacheline_aligned fifoh; @@ -921,6 +925,9 @@ struct __vxge_hw_ring { u32 doorbell_cnt; u32 total_db_cnt; u64 rxds_limit; + u32 rtimer; + u64 tim_rti_cfg1_saved; + u64 tim_rti_cfg3_saved; enum vxge_hw_status (*callback)( struct __vxge_hw_ring *ringh, @@ -1000,6 +1007,9 @@ struct __vxge_hw_fifo { u32 per_txdl_space; u32 vp_id; u32 tx_intr_num; + u32 rtimer; + u64 tim_tti_cfg1_saved; + u64 tim_tti_cfg3_saved; enum vxge_hw_status (*callback)( struct __vxge_hw_fifo *fifo_handle, diff --git a/drivers/net/vxge/vxge-main.c b/drivers/net/vxge/vxge-main.c index 0fcac099413..e40f619b62b 100644 --- a/drivers/net/vxge/vxge-main.c +++ b/drivers/net/vxge/vxge-main.c @@ -371,9 +371,6 @@ vxge_rx_1b_compl(struct __vxge_hw_ring *ringh, void *dtr, struct vxge_hw_ring_rxd_info ext_info; vxge_debug_entryexit(VXGE_TRACE, "%s: %s:%d", ring->ndev->name, __func__, __LINE__); - ring->pkts_processed = 0; - - vxge_hw_ring_replenish(ringh); do { prefetch((char *)dtr + L1_CACHE_BYTES); @@ -1588,6 +1585,36 @@ static int vxge_reset_vpath(struct vxgedev *vdev, int vp_id) return ret; } +/* Configure CI */ +static void vxge_config_ci_for_tti_rti(struct vxgedev *vdev) +{ + int i = 0; + + /* Enable CI for RTI */ + if (vdev->config.intr_type == MSI_X) { + for (i = 0; i < vdev->no_of_vpath; i++) { + struct __vxge_hw_ring *hw_ring; + + hw_ring = vdev->vpaths[i].ring.handle; + vxge_hw_vpath_dynamic_rti_ci_set(hw_ring); + } + } + + /* Enable CI for TTI */ + for (i = 0; i < vdev->no_of_vpath; i++) { + struct __vxge_hw_fifo *hw_fifo = vdev->vpaths[i].fifo.handle; + vxge_hw_vpath_tti_ci_set(hw_fifo); + /* + * For Inta (with or without napi), Set CI ON for only one + * vpath. (Have only one free running timer). + */ + if ((vdev->config.intr_type == INTA) && (i == 0)) + break; + } + + return; +} + static int do_vxge_reset(struct vxgedev *vdev, int event) { enum vxge_hw_status status; @@ -1753,6 +1780,9 @@ static int do_vxge_reset(struct vxgedev *vdev, int event) netif_tx_wake_all_queues(vdev->ndev); } + /* configure CI */ + vxge_config_ci_for_tti_rti(vdev); + out: vxge_debug_entryexit(VXGE_TRACE, "%s:%d Exiting...", __func__, __LINE__); @@ -1793,22 +1823,29 @@ static void vxge_reset(struct work_struct *work) */ static int vxge_poll_msix(struct napi_struct *napi, int budget) { - struct vxge_ring *ring = - container_of(napi, struct vxge_ring, napi); + struct vxge_ring *ring = container_of(napi, struct vxge_ring, napi); + int pkts_processed; int budget_org = budget; - ring->budget = budget; + ring->budget = budget; + ring->pkts_processed = 0; vxge_hw_vpath_poll_rx(ring->handle); + pkts_processed = ring->pkts_processed; if (ring->pkts_processed < budget_org) { napi_complete(napi); + /* Re enable the Rx interrupts for the vpath */ vxge_hw_channel_msix_unmask( (struct __vxge_hw_channel *)ring->handle, ring->rx_vector_no); + mmiowb(); } - return ring->pkts_processed; + /* We are copying and returning the local variable, in case if after + * clearing the msix interrupt above, if the interrupt fires right + * away which can preempt this NAPI thread */ + return pkts_processed; } static int vxge_poll_inta(struct napi_struct *napi, int budget) @@ -1824,6 +1861,7 @@ static int vxge_poll_inta(struct napi_struct *napi, int budget) for (i = 0; i < vdev->no_of_vpath; i++) { ring = &vdev->vpaths[i].ring; ring->budget = budget; + ring->pkts_processed = 0; vxge_hw_vpath_poll_rx(ring->handle); pkts_processed += ring->pkts_processed; budget -= ring->pkts_processed; @@ -2054,6 +2092,7 @@ static int vxge_open_vpaths(struct vxgedev *vdev) netdev_get_tx_queue(vdev->ndev, 0); vpath->fifo.indicate_max_pkts = vdev->config.fifo_indicate_max_pkts; + vpath->fifo.tx_vector_no = 0; vpath->ring.rx_vector_no = 0; vpath->ring.rx_csum = vdev->rx_csum; vpath->ring.rx_hwts = vdev->rx_hwts; @@ -2079,6 +2118,61 @@ static int vxge_open_vpaths(struct vxgedev *vdev) return VXGE_HW_OK; } +/** + * adaptive_coalesce_tx_interrupts - Changes the interrupt coalescing + * if the interrupts are not within a range + * @fifo: pointer to transmit fifo structure + * Description: The function changes boundary timer and restriction timer + * value depends on the traffic + * Return Value: None + */ +static void adaptive_coalesce_tx_interrupts(struct vxge_fifo *fifo) +{ + fifo->interrupt_count++; + if (jiffies > fifo->jiffies + HZ / 100) { + struct __vxge_hw_fifo *hw_fifo = fifo->handle; + + fifo->jiffies = jiffies; + if (fifo->interrupt_count > VXGE_T1A_MAX_TX_INTERRUPT_COUNT && + hw_fifo->rtimer != VXGE_TTI_RTIMER_ADAPT_VAL) { + hw_fifo->rtimer = VXGE_TTI_RTIMER_ADAPT_VAL; + vxge_hw_vpath_dynamic_tti_rtimer_set(hw_fifo); + } else if (hw_fifo->rtimer != 0) { + hw_fifo->rtimer = 0; + vxge_hw_vpath_dynamic_tti_rtimer_set(hw_fifo); + } + fifo->interrupt_count = 0; + } +} + +/** + * adaptive_coalesce_rx_interrupts - Changes the interrupt coalescing + * if the interrupts are not within a range + * @ring: pointer to receive ring structure + * Description: The function increases of decreases the packet counts within + * the ranges of traffic utilization, if the interrupts due to this ring are + * not within a fixed range. + * Return Value: Nothing + */ +static void adaptive_coalesce_rx_interrupts(struct vxge_ring *ring) +{ + ring->interrupt_count++; + if (jiffies > ring->jiffies + HZ / 100) { + struct __vxge_hw_ring *hw_ring = ring->handle; + + ring->jiffies = jiffies; + if (ring->interrupt_count > VXGE_T1A_MAX_INTERRUPT_COUNT && + hw_ring->rtimer != VXGE_RTI_RTIMER_ADAPT_VAL) { + hw_ring->rtimer = VXGE_RTI_RTIMER_ADAPT_VAL; + vxge_hw_vpath_dynamic_rti_rtimer_set(hw_ring); + } else if (hw_ring->rtimer != 0) { + hw_ring->rtimer = 0; + vxge_hw_vpath_dynamic_rti_rtimer_set(hw_ring); + } + ring->interrupt_count = 0; + } +} + /* * vxge_isr_napi * @irq: the irq of the device. @@ -2139,24 +2233,39 @@ static irqreturn_t vxge_isr_napi(int irq, void *dev_id) #ifdef CONFIG_PCI_MSI -static irqreturn_t -vxge_tx_msix_handle(int irq, void *dev_id) +static irqreturn_t vxge_tx_msix_handle(int irq, void *dev_id) { struct vxge_fifo *fifo = (struct vxge_fifo *)dev_id; + adaptive_coalesce_tx_interrupts(fifo); + + vxge_hw_channel_msix_mask((struct __vxge_hw_channel *)fifo->handle, + fifo->tx_vector_no); + + vxge_hw_channel_msix_clear((struct __vxge_hw_channel *)fifo->handle, + fifo->tx_vector_no); + VXGE_COMPLETE_VPATH_TX(fifo); + vxge_hw_channel_msix_unmask((struct __vxge_hw_channel *)fifo->handle, + fifo->tx_vector_no); + + mmiowb(); + return IRQ_HANDLED; } -static irqreturn_t -vxge_rx_msix_napi_handle(int irq, void *dev_id) +static irqreturn_t vxge_rx_msix_napi_handle(int irq, void *dev_id) { struct vxge_ring *ring = (struct vxge_ring *)dev_id; - /* MSIX_IDX for Rx is 1 */ + adaptive_coalesce_rx_interrupts(ring); + vxge_hw_channel_msix_mask((struct __vxge_hw_channel *)ring->handle, - ring->rx_vector_no); + ring->rx_vector_no); + + vxge_hw_channel_msix_clear((struct __vxge_hw_channel *)ring->handle, + ring->rx_vector_no); napi_schedule(&ring->napi); return IRQ_HANDLED; @@ -2173,14 +2282,20 @@ vxge_alarm_msix_handle(int irq, void *dev_id) VXGE_HW_VPATH_MSIX_ACTIVE) + VXGE_ALARM_MSIX_ID; for (i = 0; i < vdev->no_of_vpath; i++) { + /* Reduce the chance of loosing alarm interrupts by masking + * the vector. A pending bit will be set if an alarm is + * generated and on unmask the interrupt will be fired. + */ vxge_hw_vpath_msix_mask(vdev->vpaths[i].handle, msix_id); + vxge_hw_vpath_msix_clear(vdev->vpaths[i].handle, msix_id); + mmiowb(); status = vxge_hw_vpath_alarm_process(vdev->vpaths[i].handle, vdev->exec_mode); if (status == VXGE_HW_OK) { - vxge_hw_vpath_msix_unmask(vdev->vpaths[i].handle, - msix_id); + msix_id); + mmiowb(); continue; } vxge_debug_intr(VXGE_ERR, @@ -2299,6 +2414,9 @@ static int vxge_enable_msix(struct vxgedev *vdev) vpath->ring.rx_vector_no = (vpath->device_id * VXGE_HW_VPATH_MSIX_ACTIVE) + 1; + vpath->fifo.tx_vector_no = (vpath->device_id * + VXGE_HW_VPATH_MSIX_ACTIVE); + vxge_hw_vpath_msix_set(vpath->handle, tim_msix_id, VXGE_ALARM_MSIX_ID); } @@ -2474,8 +2592,9 @@ INTA_MODE: "%s:vxge:INTA", vdev->ndev->name); vxge_hw_device_set_intr_type(vdev->devh, VXGE_HW_INTR_MODE_IRQLINE); - vxge_hw_vpath_tti_ci_set(vdev->devh, - vdev->vpaths[0].device_id); + + vxge_hw_vpath_tti_ci_set(vdev->vpaths[0].fifo.handle); + ret = request_irq((int) vdev->pdev->irq, vxge_isr_napi, IRQF_SHARED, vdev->desc[0], vdev); @@ -2745,6 +2864,10 @@ static int vxge_open(struct net_device *dev) } netif_tx_start_all_queues(vdev->ndev); + + /* configure CI */ + vxge_config_ci_for_tti_rti(vdev); + goto out0; out2: @@ -3804,7 +3927,7 @@ static void __devinit vxge_device_config_init( break; case MSI_X: - device_config->intr_mode = VXGE_HW_INTR_MODE_MSIX; + device_config->intr_mode = VXGE_HW_INTR_MODE_MSIX_ONE_SHOT; break; } diff --git a/drivers/net/vxge/vxge-main.h b/drivers/net/vxge/vxge-main.h index 5746fedc356..40474f0da57 100644 --- a/drivers/net/vxge/vxge-main.h +++ b/drivers/net/vxge/vxge-main.h @@ -59,11 +59,13 @@ #define VXGE_TTI_LTIMER_VAL 1000 #define VXGE_T1A_TTI_LTIMER_VAL 80 #define VXGE_TTI_RTIMER_VAL 0 +#define VXGE_TTI_RTIMER_ADAPT_VAL 10 #define VXGE_T1A_TTI_RTIMER_VAL 400 #define VXGE_RTI_BTIMER_VAL 250 #define VXGE_RTI_LTIMER_VAL 100 #define VXGE_RTI_RTIMER_VAL 0 -#define VXGE_FIFO_INDICATE_MAX_PKTS VXGE_DEF_FIFO_LENGTH +#define VXGE_RTI_RTIMER_ADAPT_VAL 15 +#define VXGE_FIFO_INDICATE_MAX_PKTS VXGE_DEF_FIFO_LENGTH #define VXGE_ISR_POLLING_CNT 8 #define VXGE_MAX_CONFIG_DEV 0xFF #define VXGE_EXEC_MODE_DISABLE 0 @@ -107,6 +109,14 @@ #define RTI_T1A_RX_UFC_C 50 #define RTI_T1A_RX_UFC_D 60 +/* + * The interrupt rate is maintained at 3k per second with the moderation + * parameters for most traffic but not all. This is the maximum interrupt + * count allowed per function with INTA or per vector in the case of + * MSI-X in a 10 millisecond time period. Enabled only for Titan 1A. + */ +#define VXGE_T1A_MAX_INTERRUPT_COUNT 100 +#define VXGE_T1A_MAX_TX_INTERRUPT_COUNT 200 /* Milli secs timer period */ #define VXGE_TIMER_DELAY 10000 @@ -247,6 +257,11 @@ struct vxge_fifo { int tx_steering_type; int indicate_max_pkts; + /* Adaptive interrupt moderation parameters used in T1A */ + unsigned long interrupt_count; + unsigned long jiffies; + + u32 tx_vector_no; /* Tx stats */ struct vxge_fifo_stats stats; } ____cacheline_aligned; @@ -271,6 +286,10 @@ struct vxge_ring { */ int driver_id; + /* Adaptive interrupt moderation parameters used in T1A */ + unsigned long interrupt_count; + unsigned long jiffies; + /* copy of the flag indicating whether rx_csum is to be used */ u32 rx_csum:1, rx_hwts:1; @@ -286,7 +305,7 @@ struct vxge_ring { int vlan_tag_strip; struct vlan_group *vlgrp; - int rx_vector_no; + u32 rx_vector_no; enum vxge_hw_status last_status; /* Rx stats */ diff --git a/drivers/net/vxge/vxge-traffic.c b/drivers/net/vxge/vxge-traffic.c index 4c10d6c4075..8674f331311 100644 --- a/drivers/net/vxge/vxge-traffic.c +++ b/drivers/net/vxge/vxge-traffic.c @@ -218,6 +218,68 @@ exit: return status; } +void vxge_hw_vpath_tti_ci_set(struct __vxge_hw_fifo *fifo) +{ + struct vxge_hw_vpath_reg __iomem *vp_reg; + struct vxge_hw_vp_config *config; + u64 val64; + + if (fifo->config->enable != VXGE_HW_FIFO_ENABLE) + return; + + vp_reg = fifo->vp_reg; + config = container_of(fifo->config, struct vxge_hw_vp_config, fifo); + + if (config->tti.timer_ci_en != VXGE_HW_TIM_TIMER_CI_ENABLE) { + config->tti.timer_ci_en = VXGE_HW_TIM_TIMER_CI_ENABLE; + val64 = readq(&vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]); + val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI; + fifo->tim_tti_cfg1_saved = val64; + writeq(val64, &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]); + } +} + +void vxge_hw_vpath_dynamic_rti_ci_set(struct __vxge_hw_ring *ring) +{ + u64 val64 = ring->tim_rti_cfg1_saved; + + val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI; + ring->tim_rti_cfg1_saved = val64; + writeq(val64, &ring->vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_RX]); +} + +void vxge_hw_vpath_dynamic_tti_rtimer_set(struct __vxge_hw_fifo *fifo) +{ + u64 val64 = fifo->tim_tti_cfg3_saved; + u64 timer = (fifo->rtimer * 1000) / 272; + + val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_RTIMER_VAL(0x3ffffff); + if (timer) + val64 |= VXGE_HW_TIM_CFG3_INT_NUM_RTIMER_VAL(timer) | + VXGE_HW_TIM_CFG3_INT_NUM_RTIMER_EVENT_SF(5); + + writeq(val64, &fifo->vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_TX]); + /* tti_cfg3_saved is not updated again because it is + * initialized at one place only - init time. + */ +} + +void vxge_hw_vpath_dynamic_rti_rtimer_set(struct __vxge_hw_ring *ring) +{ + u64 val64 = ring->tim_rti_cfg3_saved; + u64 timer = (ring->rtimer * 1000) / 272; + + val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_RTIMER_VAL(0x3ffffff); + if (timer) + val64 |= VXGE_HW_TIM_CFG3_INT_NUM_RTIMER_VAL(timer) | + VXGE_HW_TIM_CFG3_INT_NUM_RTIMER_EVENT_SF(4); + + writeq(val64, &ring->vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_RX]); + /* rti_cfg3_saved is not updated again because it is + * initialized at one place only - init time. + */ +} + /** * vxge_hw_channel_msix_mask - Mask MSIX Vector. * @channeh: Channel for rx or tx handle @@ -254,6 +316,23 @@ vxge_hw_channel_msix_unmask(struct __vxge_hw_channel *channel, int msix_id) } /** + * vxge_hw_channel_msix_clear - Unmask the MSIX Vector. + * @channel: Channel for rx or tx handle + * @msix_id: MSI ID + * + * The function unmasks the msix interrupt for the given msix_id + * if configured in MSIX oneshot mode + * + * Returns: 0 + */ +void vxge_hw_channel_msix_clear(struct __vxge_hw_channel *channel, int msix_id) +{ + __vxge_hw_pio_mem_write32_upper( + (u32) vxge_bVALn(vxge_mBIT(msix_id >> 2), 0, 32), + &channel->common_reg->clr_msix_one_shot_vec[msix_id % 4]); +} + +/** * vxge_hw_device_set_intr_type - Updates the configuration * with new interrupt type. * @hldev: HW device handle. @@ -2191,19 +2270,14 @@ vxge_hw_vpath_msix_set(struct __vxge_hw_vpath_handle *vp, int *tim_msix_id, if (vpath->hldev->config.intr_mode == VXGE_HW_INTR_MODE_MSIX_ONE_SHOT) { __vxge_hw_pio_mem_write32_upper((u32)vxge_bVALn( + VXGE_HW_ONE_SHOT_VECT0_EN_ONE_SHOT_VECT0_EN, + 0, 32), &vp_reg->one_shot_vect0_en); + __vxge_hw_pio_mem_write32_upper((u32)vxge_bVALn( VXGE_HW_ONE_SHOT_VECT1_EN_ONE_SHOT_VECT1_EN, 0, 32), &vp_reg->one_shot_vect1_en); - } - - if (vpath->hldev->config.intr_mode == - VXGE_HW_INTR_MODE_MSIX_ONE_SHOT) { __vxge_hw_pio_mem_write32_upper((u32)vxge_bVALn( VXGE_HW_ONE_SHOT_VECT2_EN_ONE_SHOT_VECT2_EN, 0, 32), &vp_reg->one_shot_vect2_en); - - __vxge_hw_pio_mem_write32_upper((u32)vxge_bVALn( - VXGE_HW_ONE_SHOT_VECT3_EN_ONE_SHOT_VECT3_EN, - 0, 32), &vp_reg->one_shot_vect3_en); } } @@ -2229,6 +2303,32 @@ vxge_hw_vpath_msix_mask(struct __vxge_hw_vpath_handle *vp, int msix_id) } /** + * vxge_hw_vpath_msix_clear - Clear MSIX Vector. + * @vp: Virtual Path handle. + * @msix_id: MSI ID + * + * The function clears the msix interrupt for the given msix_id + * + * Returns: 0, + * Otherwise, VXGE_HW_ERR_WRONG_IRQ if the msix index is out of range + * status. + * See also: + */ +void vxge_hw_vpath_msix_clear(struct __vxge_hw_vpath_handle *vp, int msix_id) +{ + struct __vxge_hw_device *hldev = vp->vpath->hldev; + + if ((hldev->config.intr_mode == VXGE_HW_INTR_MODE_MSIX_ONE_SHOT)) + __vxge_hw_pio_mem_write32_upper( + (u32) vxge_bVALn(vxge_mBIT((msix_id >> 2)), 0, 32), + &hldev->common_reg->clr_msix_one_shot_vec[msix_id % 4]); + else + __vxge_hw_pio_mem_write32_upper( + (u32) vxge_bVALn(vxge_mBIT((msix_id >> 2)), 0, 32), + &hldev->common_reg->clear_msix_mask_vect[msix_id % 4]); +} + +/** * vxge_hw_vpath_msix_unmask - Unmask the MSIX Vector. * @vp: Virtual Path handle. * @msix_id: MSI ID diff --git a/drivers/net/vxge/vxge-traffic.h b/drivers/net/vxge/vxge-traffic.h index d48486d6afa..9d9dfda4c7a 100644 --- a/drivers/net/vxge/vxge-traffic.h +++ b/drivers/net/vxge/vxge-traffic.h @@ -2142,6 +2142,10 @@ void vxge_hw_device_clear_tx_rx( * Virtual Paths */ +void vxge_hw_vpath_dynamic_rti_rtimer_set(struct __vxge_hw_ring *ring); + +void vxge_hw_vpath_dynamic_tti_rtimer_set(struct __vxge_hw_fifo *fifo); + u32 vxge_hw_vpath_id( struct __vxge_hw_vpath_handle *vpath_handle); @@ -2245,6 +2249,8 @@ void vxge_hw_vpath_msix_mask(struct __vxge_hw_vpath_handle *vpath_handle, int msix_id); +void vxge_hw_vpath_msix_clear(struct __vxge_hw_vpath_handle *vp, int msix_id); + void vxge_hw_device_flush_io(struct __vxge_hw_device *devh); void @@ -2270,6 +2276,9 @@ void vxge_hw_channel_msix_unmask(struct __vxge_hw_channel *channelh, int msix_id); void +vxge_hw_channel_msix_clear(struct __vxge_hw_channel *channelh, int msix_id); + +void vxge_hw_channel_dtr_try_complete(struct __vxge_hw_channel *channel, void **dtrh); @@ -2282,7 +2291,8 @@ vxge_hw_channel_dtr_free(struct __vxge_hw_channel *channel, void *dtrh); int vxge_hw_channel_dtr_count(struct __vxge_hw_channel *channel); -void -vxge_hw_vpath_tti_ci_set(struct __vxge_hw_device *hldev, u32 vp_id); +void vxge_hw_vpath_tti_ci_set(struct __vxge_hw_fifo *fifo); + +void vxge_hw_vpath_dynamic_rti_ci_set(struct __vxge_hw_ring *ring); #endif |