#include <rte_alarm.h>
#include <rte_errno.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
+#include <rte_io.h>
#include <rte_interrupts.h>
#include "mlx4.h"
struct rte_intr_handle *intr_handle = &priv->intr_handle;
mlx4_rx_intr_vec_disable(priv);
- intr_handle->intr_vec = malloc(sizeof(intr_handle->intr_vec[rxqs_n]));
+ intr_handle->intr_vec = malloc(n * sizeof(intr_handle->intr_vec[0]));
if (intr_handle->intr_vec == NULL) {
rte_errno = ENOMEM;
ERROR("failed to allocate memory for interrupt vector,"
if (intr_conf->lsc && !mlx4_link_status_check(priv))
_rte_eth_dev_callback_process(priv->dev,
RTE_ETH_EVENT_INTR_LSC,
- NULL, NULL);
+ NULL);
}
/**
for (i = 0; i != RTE_DIM(caught); ++i)
if (caught[i])
_rte_eth_dev_callback_process(priv->dev, type[i],
- NULL, NULL);
+ NULL);
+}
+
+/**
+ * MLX4 CQ notification .
+ *
+ * @param rxq
+ * Pointer to receive queue structure.
+ * @param solicited
+ * Is request solicited or not.
+ */
+static void
+mlx4_arm_cq(struct rxq *rxq, int solicited)
+{
+ struct mlx4_cq *cq = &rxq->mcq;
+ uint64_t doorbell;
+ uint32_t sn = cq->arm_sn & MLX4_CQ_DB_GEQ_N_MASK;
+ uint32_t ci = cq->cons_index & MLX4_CQ_DB_CI_MASK;
+ uint32_t cmd = solicited ? MLX4_CQ_DB_REQ_NOT_SOL : MLX4_CQ_DB_REQ_NOT;
+
+ *cq->arm_db = rte_cpu_to_be_32(sn << 28 | cmd | ci);
+ /*
+ * Make sure that the doorbell record in host memory is
+ * written before ringing the doorbell via PCI MMIO.
+ */
+ rte_wmb();
+ doorbell = sn << 28 | cmd | cq->cqn;
+ doorbell <<= 32;
+ doorbell |= ci;
+ rte_write64(rte_cpu_to_be_64(doorbell), cq->cq_db_reg);
}
/**
WARN("unable to disable interrupt on rx queue %d",
idx);
} else {
+ rxq->mcq.arm_sn++;
ibv_ack_cq_events(rxq->cq, 1);
}
return -ret;
mlx4_rx_intr_enable(struct rte_eth_dev *dev, uint16_t idx)
{
struct rxq *rxq = dev->data->rx_queues[idx];
- int ret;
+ int ret = 0;
- if (!rxq || !rxq->channel)
+ if (!rxq || !rxq->channel) {
ret = EINVAL;
- else
- ret = ibv_req_notify_cq(rxq->cq, 0);
- if (ret) {
rte_errno = ret;
WARN("unable to arm interrupt on rx queue %d", idx);
+ } else {
+ mlx4_arm_cq(rxq, 0);
}
return -ret;
}