struct rte_eth_rss_conf *rss_conf);
static int i40evf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
struct rte_eth_rss_conf *rss_conf);
+static int
+i40evf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id);
+static int
+i40evf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id);
/* Default hash key buffer for RSS */
static uint32_t rss_key_default[I40E_VFQF_HKEY_MAX_INDEX + 1];
.tx_queue_stop = i40evf_dev_tx_queue_stop,
.rx_queue_setup = i40e_dev_rx_queue_setup,
.rx_queue_release = i40e_dev_rx_queue_release,
+ .rx_queue_intr_enable = i40evf_dev_rx_queue_intr_enable,
+ .rx_queue_intr_disable = i40evf_dev_rx_queue_intr_disable,
+ .rx_descriptor_done = i40e_dev_rx_descriptor_done,
.tx_queue_setup = i40e_dev_tx_queue_setup,
.tx_queue_release = i40e_dev_tx_queue_release,
.reta_update = i40evf_dev_rss_reta_update,
uint8_t cmd_buffer[sizeof(struct i40e_virtchnl_irq_map_info) + \
sizeof(struct i40e_virtchnl_vector_map)];
struct i40e_virtchnl_irq_map_info *map_info;
+ struct rte_intr_handle *intr_handle = &dev->pci_dev->intr_handle;
+ uint32_t vector_id;
int i, err;
+
+ if (rte_intr_allow_others(intr_handle)) {
+ if (vf->version_major == I40E_DPDK_VERSION_MAJOR)
+ vector_id = I40EVF_VSI_DEFAULT_MSIX_INTR;
+ else
+ vector_id = I40EVF_VSI_DEFAULT_MSIX_INTR_LNX;
+ } else {
+ vector_id = I40E_MISC_VEC_ID;
+ }
+
map_info = (struct i40e_virtchnl_irq_map_info *)cmd_buffer;
map_info->num_vectors = 1;
map_info->vecmap[0].rxitr_idx = I40E_QINT_RQCTL_MSIX_INDX_NOITR;
map_info->vecmap[0].vsi_id = vf->vsi_res->vsi_id;
/* Alway use default dynamic MSIX interrupt */
- if (vf->version_major == I40E_DPDK_VERSION_MAJOR)
- map_info->vecmap[0].vector_id = I40EVF_VSI_DEFAULT_MSIX_INTR;
- else
- map_info->vecmap[0].vector_id = I40EVF_VSI_DEFAULT_MSIX_INTR_LNX;
-
+ map_info->vecmap[0].vector_id = vector_id;
/* Don't map any tx queue */
map_info->vecmap[0].txq_map = 0;
map_info->vecmap[0].rxq_map = 0;
- for (i = 0; i < dev->data->nb_rx_queues; i++)
+ for (i = 0; i < dev->data->nb_rx_queues; i++) {
map_info->vecmap[0].rxq_map |= 1 << i;
+ if (rte_intr_dp_is_en(intr_handle))
+ intr_handle->intr_vec[i] = vector_id;
+ }
args.ops = I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP;
args.in_args = (u8 *)cmd_buffer;
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct rte_intr_handle *intr_handle = &dev->pci_dev->intr_handle;
+
+ if (!rte_intr_allow_others(intr_handle)) {
+ I40E_WRITE_REG(hw,
+ I40E_VFINT_DYN_CTL01,
+ I40E_VFINT_DYN_CTL01_INTENA_MASK |
+ I40E_VFINT_DYN_CTL01_CLEARPBA_MASK);
+ I40E_WRITE_FLUSH(hw);
+ return;
+ }
if (vf->version_major == I40E_DPDK_VERSION_MAJOR)
/* To support DPDK PF host */
I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
I40E_VFINT_DYN_CTL01_INTENA_MASK |
I40E_VFINT_DYN_CTL01_CLEARPBA_MASK);
+
+ I40E_WRITE_FLUSH(hw);
}
static inline void
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct rte_intr_handle *intr_handle = &dev->pci_dev->intr_handle;
+
+ if (!rte_intr_allow_others(intr_handle)) {
+ I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01, 0);
+ I40E_WRITE_FLUSH(hw);
+ return;
+ }
if (vf->version_major == I40E_DPDK_VERSION_MAJOR)
I40E_WRITE_REG(hw,
- I40E_VFINT_DYN_CTLN1(I40EVF_VSI_DEFAULT_MSIX_INTR - 1),
- 0);
+ I40E_VFINT_DYN_CTLN1(I40EVF_VSI_DEFAULT_MSIX_INTR
+ - 1),
+ 0);
+ else
+ I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01, 0);
+
+ I40E_WRITE_FLUSH(hw);
+}
+
+static int
+i40evf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
+{
+ struct rte_intr_handle *intr_handle = &dev->pci_dev->intr_handle;
+ struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ uint16_t interval =
+ i40e_calc_itr_interval(RTE_LIBRTE_I40E_ITR_INTERVAL);
+ uint16_t msix_intr;
+
+ msix_intr = intr_handle->intr_vec[queue_id];
+ if (msix_intr == I40E_MISC_VEC_ID)
+ I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
+ I40E_VFINT_DYN_CTL01_INTENA_MASK |
+ I40E_VFINT_DYN_CTL01_CLEARPBA_MASK |
+ (0 << I40E_VFINT_DYN_CTL01_ITR_INDX_SHIFT) |
+ (interval <<
+ I40E_VFINT_DYN_CTL01_INTERVAL_SHIFT));
else
+ I40E_WRITE_REG(hw,
+ I40E_VFINT_DYN_CTLN1(msix_intr -
+ I40E_RX_VEC_START),
+ I40E_VFINT_DYN_CTLN1_INTENA_MASK |
+ I40E_VFINT_DYN_CTLN1_CLEARPBA_MASK |
+ (0 << I40E_VFINT_DYN_CTLN1_ITR_INDX_SHIFT) |
+ (interval <<
+ I40E_VFINT_DYN_CTLN1_INTERVAL_SHIFT));
+
+ I40E_WRITE_FLUSH(hw);
+
+ rte_intr_enable(&dev->pci_dev->intr_handle);
+
+ return 0;
+}
+
+static int
+i40evf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
+{
+ struct rte_intr_handle *intr_handle = &dev->pci_dev->intr_handle;
+ struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ uint16_t msix_intr;
+
+ msix_intr = intr_handle->intr_vec[queue_id];
+ if (msix_intr == I40E_MISC_VEC_ID)
I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01, 0);
+ else
+ I40E_WRITE_REG(hw,
+ I40E_VFINT_DYN_CTLN1(msix_intr -
+ I40E_RX_VEC_START),
+ 0);
+
+ I40E_WRITE_FLUSH(hw);
+
+ return 0;
}
static int
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct rte_intr_handle *intr_handle = &dev->pci_dev->intr_handle;
struct ether_addr mac_addr;
+ uint32_t intr_vector = 0;
PMD_INIT_FUNC_TRACE();
vf->num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues,
dev->data->nb_tx_queues);
+ /* check and configure queue intr-vector mapping */
+ if (dev->data->dev_conf.intr_conf.rxq != 0) {
+ intr_vector = dev->data->nb_rx_queues;
+ if (rte_intr_efd_enable(intr_handle, intr_vector))
+ return -1;
+ }
+
+ if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
+ intr_handle->intr_vec =
+ rte_zmalloc("intr_vec",
+ dev->data->nb_rx_queues * sizeof(int), 0);
+ if (!intr_handle->intr_vec) {
+ PMD_INIT_LOG(ERR, "Failed to allocate %d rx_queues"
+ " intr_vec\n", dev->data->nb_rx_queues);
+ return -ENOMEM;
+ }
+ }
+
if (i40evf_rx_init(dev) != 0){
PMD_DRV_LOG(ERR, "failed to do RX init");
return -1;
goto err_mac;
}
+ /* vf don't allow intr except for rxq intr */
+ if (dev->data->dev_conf.intr_conf.rxq != 0)
+ rte_intr_enable(intr_handle);
+
i40evf_enable_queues_intr(dev);
return 0;
static void
i40evf_dev_stop(struct rte_eth_dev *dev)
{
+ struct rte_intr_handle *intr_handle = &dev->pci_dev->intr_handle;
+
PMD_INIT_FUNC_TRACE();
- i40evf_disable_queues_intr(dev);
i40evf_stop_queues(dev);
+ i40evf_disable_queues_intr(dev);
i40e_dev_clear_queues(dev);
+
+ /* Clean datapath event and queue/vec mapping */
+ rte_intr_efd_disable(intr_handle);
+ if (intr_handle->intr_vec) {
+ rte_free(intr_handle->intr_vec);
+ intr_handle->intr_vec = NULL;
+ }
}
static int
git.droids-corp.org / dpdk.git / blobdiff