[dpdk-dev] [PATCH v3 12/15] ether: extract function eth_dev_get_intr_handle
Hunt, David
david.hunt at intel.com
Thu Sep 15 15:02:19 CEST 2016
On 9/9/2016 9:43 AM, Shreyansh Jain wrote:
> We abstract access to the intr_handle here as we want to get
> it either from the pci_dev or soc_dev.
>
> Signed-off-by: Jan Viktorin <viktorin at rehivetech.com>
> Signed-off-by: Shreyansh Jain <shreyansh.jain at nxp.com>
> Signed-off-by: Hemant Agrawal <hemant.agrawal at nxp.com>
> ---
> lib/librte_ether/rte_ethdev.c | 15 +++++++++++++--
> 1 file changed, 13 insertions(+), 2 deletions(-)
>
> diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
> index e9f5467..104ea4a 100644
> --- a/lib/librte_ether/rte_ethdev.c
> +++ b/lib/librte_ether/rte_ethdev.c
> @@ -2526,6 +2526,17 @@ _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
> rte_spinlock_unlock(&rte_eth_dev_cb_lock);
> }
>
> +static inline
> +struct rte_intr_handle *eth_dev_get_intr_handle(struct rte_eth_dev *dev)
> +{
> + if (dev->pci_dev) {
> + return &dev->pci_dev->intr_handle;
> + }
> +
> + RTE_VERIFY(0);
Rather than RTE_VERIFY(0), might I suggest using rte_panic with a more
relevant error message?
> + return NULL;
> +}
> +
> int
> rte_eth_dev_rx_intr_ctl(uint8_t port_id, int epfd, int op, void *data)
> {
> @@ -2538,7 +2549,7 @@ rte_eth_dev_rx_intr_ctl(uint8_t port_id, int epfd, int op, void *data)
> RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
>
> dev = &rte_eth_devices[port_id];
> - intr_handle = &dev->pci_dev->intr_handle;
> + intr_handle = eth_dev_get_intr_handle(dev);
> if (!intr_handle->intr_vec) {
> RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
> return -EPERM;
> @@ -2598,7 +2609,7 @@ rte_eth_dev_rx_intr_ctl_q(uint8_t port_id, uint16_t queue_id,
> return -EINVAL;
> }
>
> - intr_handle = &dev->pci_dev->intr_handle;
> + intr_handle = eth_dev_get_intr_handle(dev);
> if (!intr_handle->intr_vec) {
> RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
> return -EPERM;
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