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Commit 72322951 authored by Ghanim Fodi's avatar Ghanim Fodi Committed by Gerrit - the friendly Code Review server
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msm: ipa: eth: enable/disable UL channel per request 



Besides Dl channel, UL channel need to be
disabled or enabled per request.

Change-Id: If0326b7c1360500e0857a3e4898f1e57f16de7da
Signed-off-by: default avatarGhanim Fodi <gfodi@codeaurora.org>
parent 52a95c85

drivers/platform/msm/ipa/ipa_v3/ipa_uc_ntn.c

+29 −15
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.

 * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.

 */



#include "ipa_i.h"
@@ -449,10 +449,18 @@ int ipa3_setup_uc_ntn_pipes(struct ipa_ntn_conn_in_params *in, 
		goto fail;

	}



	result = ipa3_enable_data_path(ipa_ep_idx_ul);

	if (result) {

		IPAERR("Enable data path failed res=%d pipe=%d.\n", result,

			ipa_ep_idx_ul);

		result = -EFAULT;

		goto fail_smmu_unmap_ul;

	}



	if (ipa3_uc_send_ntn_setup_pipe_cmd(&in->ul, IPA_NTN_RX_DIR)) {

		IPAERR("fail to send cmd to uc for ul pipe\n");

		result = -EFAULT;

		goto fail_smmu_map_ul;

		goto fail_disable_dp_ul;

	}

	ipa3_install_dflt_flt_rules(ipa_ep_idx_ul);

	outp->ul_uc_db_pa = IPA_UC_NTN_DB_PA_RX;
@@ -471,40 +479,44 @@ int ipa3_setup_uc_ntn_pipes(struct ipa_ntn_conn_in_params *in, 
	if (ipa3_cfg_ep(ipa_ep_idx_dl, &ep_dl->cfg)) {

		IPAERR("fail to setup dl pipe cfg\n");

		result = -EFAULT;

		goto fail_smmu_map_ul;

		goto fail_disable_dp_ul;

	}



	result = ipa3_smmu_map_uc_ntn_pipes(&in->dl, true);

	if (result) {

		IPAERR("failed to map SMMU for DL %d\n", result);

		goto fail_smmu_map_ul;

		goto fail_disable_dp_ul;

	}



	result = ipa3_enable_data_path(ipa_ep_idx_dl);

	if (result) {

		IPAERR("Enable data path failed res=%d pipe=%d.\n", result,

			ipa_ep_idx_dl);

		result = -EFAULT;

		goto fail_smmu_unmap_dl;

	}



	if (ipa3_uc_send_ntn_setup_pipe_cmd(&in->dl, IPA_NTN_TX_DIR)) {

		IPAERR("fail to send cmd to uc for dl pipe\n");

		result = -EFAULT;

		goto fail_smmu_map_dl;

		goto fail_disable_dp_dl;

	}

	outp->dl_uc_db_pa = IPA_UC_NTN_DB_PA_TX;

	ep_dl->uc_offload_state |= IPA_UC_OFFLOAD_CONNECTED;



	result = ipa3_enable_data_path(ipa_ep_idx_dl);

	if (result) {

		IPAERR("Enable data path failed res=%d clnt=%d.\n", result,

			ipa_ep_idx_dl);

		result = -EFAULT;

		goto fail_smmu_map_dl;

	}



	IPA_ACTIVE_CLIENTS_DEC_SIMPLE();

	IPADBG("client %d (ep: %d) connected\n", in->dl.client,

		ipa_ep_idx_dl);



	return 0;



fail_smmu_map_dl:

fail_disable_dp_dl:

	ipa3_disable_data_path(ipa_ep_idx_dl);

fail_smmu_unmap_dl:

	ipa3_smmu_map_uc_ntn_pipes(&in->dl, false);

fail_smmu_map_ul:

fail_disable_dp_ul:

	ipa3_disable_data_path(ipa_ep_idx_ul);

fail_smmu_unmap_ul:

	ipa3_smmu_map_uc_ntn_pipes(&in->ul, false);

fail:

	IPA_ACTIVE_CLIENTS_DEC_SIMPLE();
@@ -589,6 +601,8 @@ int ipa3_tear_down_uc_offload_pipes(int ipa_ep_idx_ul, 
	}



	/* teardown the UL pipe */

	ipa3_disable_data_path(ipa_ep_idx_ul);



	tear->params.ipa_pipe_number = ipa_ep_idx_ul;

	result = ipa3_uc_send_cmd((u32)(cmd.phys_base),

				IPA_CPU_2_HW_CMD_OFFLOAD_TEAR_DOWN,