Merge "msm: ipa3: Add low-level IPA client support" (2a8a8506) · Commits · e / devices / android_kernel_xiaomi_nabu

drivers/platform/msm/ipa/ipa_api.c

+49 −0

Original line number	Diff line number	Diff line
		@@ -399,6 +399,55 @@ int ipa_smmu_free_sgt(struct sg_table **out_sgt_ptr)
		return 0;
		}

		/**
		* ipa_connect() - low-level IPA client connect
		* @in: [in] input parameters from client
		* @sps: [out] sps output from IPA needed by client for sps_connect
		* @clnt_hdl: [out] opaque client handle assigned by IPA to client
		*
		* Should be called by the driver of the peripheral that wants to connect to
		* IPA in BAM-BAM mode. these peripherals are USB and HSIC. this api
		* expects caller to take responsibility to add any needed headers, routing
		* and filtering tables and rules as needed.
		*
		* Returns: 0 on success, negative on failure
		*
		* Note: Should not be called from atomic context
		*/
		int ipa_connect(const struct ipa_connect_params in, struct ipa_sps_params sps,
		u32 *clnt_hdl)
		{
		int ret;

		IPA_API_DISPATCH_RETURN(ipa_connect, in, sps, clnt_hdl);

		return ret;
		}
		EXPORT_SYMBOL(ipa_connect);

		/**
		* ipa_disconnect() - low-level IPA client disconnect
		* @clnt_hdl: [in] opaque client handle assigned by IPA to client
		*
		* Should be called by the driver of the peripheral that wants to disconnect
		* from IPA in BAM-BAM mode. this api expects caller to take responsibility to
		* free any needed headers, routing and filtering tables and rules as needed.
		*
		* Returns: 0 on success, negative on failure
		*
		* Note: Should not be called from atomic context
		*/
		int ipa_disconnect(u32 clnt_hdl)
		{
		int ret;

		IPA_API_DISPATCH_RETURN(ipa_disconnect, clnt_hdl);

		return ret;
		}
		EXPORT_SYMBOL(ipa_disconnect);


		/**
		* ipa_clear_endpoint_delay() - Clear ep_delay.
		* @clnt_hdl: [in] IPA client handle

drivers/platform/msm/ipa/ipa_clients/rndis_ipa.c

+3 −2

Original line number	Diff line number	Diff line
		/* Copyright (c) 2013-2018, The Linux Foundation. All rights reserved.
		/* Copyright (c) 2013-2018,2020 The Linux Foundation. All rights reserved.
		*
		* This program is free software; you can redistribute it and/or modify
		* it under the terms of the GNU General Public License version 2 and
		@@ -603,7 +603,8 @@ int rndis_ipa_init(struct ipa_usb_init_params *params)
		}
		RNDIS_IPA_DEBUG("Device Ethernet address set %pM\n", net->dev_addr);

		if (ipa_is_vlan_mode(IPA_VLAN_IF_RNDIS,
		if ((ipa_get_hw_type() >= IPA_HW_v3_0) &&
		ipa_is_vlan_mode(IPA_VLAN_IF_RNDIS,
		&rndis_ipa_ctx->is_vlan_mode)) {
		RNDIS_IPA_ERROR("couldn't acquire vlan mode, is ipa ready?\n");
		goto fail_get_vlan_mode;