C++ (Cpp) netxen_api_unlock Examples

Example #1

File: netxen_nic_ctx.c Project: 458941968/mini2440-kernel-2.6.29

static u32
netxen_issue_cmd(struct netxen_adapter *adapter,
	u32 pci_fn, u32 version, u32 arg1, u32 arg2, u32 arg3, u32 cmd)
{
	u32 rsp;
	u32 signature = 0;
	u32 rcode = NX_RCODE_SUCCESS;

	signature = NX_CDRP_SIGNATURE_MAKE(pci_fn, version);

	/* Acquire semaphore before accessing CRB */
	if (netxen_api_lock(adapter))
		return NX_RCODE_TIMEOUT;

	netxen_nic_write_w1(adapter, NX_SIGN_CRB_OFFSET, signature);

	netxen_nic_write_w1(adapter, NX_ARG1_CRB_OFFSET, arg1);

	netxen_nic_write_w1(adapter, NX_ARG2_CRB_OFFSET, arg2);

	netxen_nic_write_w1(adapter, NX_ARG3_CRB_OFFSET, arg3);

	netxen_nic_write_w1(adapter, NX_CDRP_CRB_OFFSET,
			NX_CDRP_FORM_CMD(cmd));

	rsp = netxen_poll_rsp(adapter);

	if (rsp == NX_CDRP_RSP_TIMEOUT) {
		printk(KERN_ERR "%s: card response timeout.\n",
				netxen_nic_driver_name);

		rcode = NX_RCODE_TIMEOUT;
	} else if (rsp == NX_CDRP_RSP_FAIL) {
		netxen_nic_read_w1(adapter, NX_ARG1_CRB_OFFSET, &rcode);

		printk(KERN_ERR "%s: failed card response code:0x%x\n",
				netxen_nic_driver_name, rcode);
	}

	/* Release semaphore */
	netxen_api_unlock(adapter);

	return rcode;
}

Example #2

File: netxen_nic_ctx.c Project: 3sOx/asuswrt-merlin

void netxen_free_hw_resources(struct netxen_adapter *adapter)
{
	struct netxen_recv_context *recv_ctx;
	struct nx_host_rds_ring *rds_ring;
	struct nx_host_sds_ring *sds_ring;
	struct nx_host_tx_ring *tx_ring;
	int ring;

	int port = adapter->portnum;

	if (!NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
		if (!test_and_clear_bit(__NX_FW_ATTACHED, &adapter->state))
			goto done;

		nx_fw_cmd_destroy_rx_ctx(adapter);
		nx_fw_cmd_destroy_tx_ctx(adapter);
	} else {
		netxen_api_lock(adapter);
		NXWR32(adapter, CRB_CTX_SIGNATURE_REG(port),
				NETXEN_CTX_D3_RESET | port);
		netxen_api_unlock(adapter);
	}

	/* Allow dma queues to drain after context reset */
	msleep(20);

done:
	recv_ctx = &adapter->recv_ctx;

	if (recv_ctx->hwctx != NULL) {
		pci_free_consistent(adapter->pdev,
				sizeof(struct netxen_ring_ctx) +
				sizeof(uint32_t),
				recv_ctx->hwctx,
				recv_ctx->phys_addr);
		recv_ctx->hwctx = NULL;
	}

	tx_ring = adapter->tx_ring;
	if (tx_ring->desc_head != NULL) {
		pci_free_consistent(adapter->pdev,
				TX_DESC_RINGSIZE(tx_ring),
				tx_ring->desc_head, tx_ring->phys_addr);
		tx_ring->desc_head = NULL;
	}

	for (ring = 0; ring < adapter->max_rds_rings; ring++) {
		rds_ring = &recv_ctx->rds_rings[ring];

		if (rds_ring->desc_head != NULL) {
			pci_free_consistent(adapter->pdev,
					RCV_DESC_RINGSIZE(rds_ring),
					rds_ring->desc_head,
					rds_ring->phys_addr);
			rds_ring->desc_head = NULL;
		}
	}

	for (ring = 0; ring < adapter->max_sds_rings; ring++) {
		sds_ring = &recv_ctx->sds_rings[ring];

		if (sds_ring->desc_head != NULL) {
			pci_free_consistent(adapter->pdev,
				STATUS_DESC_RINGSIZE(sds_ring),
				sds_ring->desc_head,
				sds_ring->phys_addr);
			sds_ring->desc_head = NULL;
		}
	}
}