Function bnxt_ulp_port_deinit

dpdk/drivers/net/bnxt/tf_ulp/bnxt_ulp.c:1910–1989

* When a port is de-initialized by dpdk. This functions clears up * the port specific details. */

 * the port specific details.
 */
void
bnxt_ulp_port_deinit(struct bnxt *bp)
{
	struct bnxt_ulp_session_state *session;
	struct rte_pci_device *pci_dev;
	struct rte_pci_addr *pci_addr;

	if (!BNXT_TRUFLOW_EN(bp)) {
		BNXT_TF_DBG(DEBUG,
			    "Skip ULP deinit for port:%d, TF is not enabled\n",
			    bp->eth_dev->data->port_id);
		return;
	}

	if (!BNXT_PF(bp) && !BNXT_VF_IS_TRUSTED(bp)) {
		BNXT_TF_DBG(DEBUG,
			    "Skip ULP deinit port:%d, not a TVF or PF\n",
			    bp->eth_dev->data->port_id);
		return;
	}

	if (!bp->ulp_ctx) {
		BNXT_TF_DBG(DEBUG, "ulp ctx already de-allocated\n");
		return;
	}

	BNXT_TF_DBG(DEBUG, "BNXT Port:%d ULP port deinit\n",
		    bp->eth_dev->data->port_id);

	/* Get the session details  */
	pci_dev = RTE_DEV_TO_PCI(bp->eth_dev->device);
	pci_addr = &pci_dev->addr;
	pthread_mutex_lock(&bnxt_ulp_global_mutex);
	session = ulp_get_session(bp, pci_addr);
	pthread_mutex_unlock(&bnxt_ulp_global_mutex);

	/* session not found then just exit */
	if (!session) {
		/* Free the ulp context */
		rte_free(bp->ulp_ctx);
		bp->ulp_ctx = NULL;
		return;
	}

	/* Check the reference count to deinit or deattach*/
	if (bp->ulp_ctx->cfg_data && bp->ulp_ctx->cfg_data->ref_cnt) {
		bp->ulp_ctx->cfg_data->ref_cnt--;
		if (bp->ulp_ctx->cfg_data->ref_cnt) {
			/* Free tunnel configurations */
			ulp_cust_vxlan_free(bp);

			/* free the port details */
			/* Free the default flow rule associated to this port */
			bnxt_ulp_destroy_df_rules(bp, false);
			bnxt_ulp_destroy_vfr_default_rules(bp, false);

			/* free flows associated with this port */
			bnxt_ulp_flush_port_flows(bp);