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Commit f09e8963 authored by Jinesh K. Jayakumar's avatar Jinesh K. Jayakumar Committed by Gerrit - the friendly Code Review server
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msm: ipa: eth: Support for deleting default filter rules 



Add ipa_eth_ep_deinit() for deleting default rules during offload path
deinit.

Change-Id: I083c37cc8e6e902a8bb6abede4972c9a793c8c7c
Signed-off-by: default avatarJinesh K. Jayakumar <jineshk@codeaurora.org>
parent 098d8066

drivers/platform/msm/ipa/ipa_v3/ethernet/ipa_eth_ep.c

+40 −14
Original line number Diff line number Diff line
@@ -382,16 +382,35 @@ void ipa_eth_ep_deinit_ctx(struct ipa_eth_channel *ch) 
	memset(ep_ctx, 0, offsetof(typeof(*ep_ctx), sys));

}



static int __ipa_eth_ep_init(struct ipa_eth_channel *ch,

				struct ipa3_ep_context *ep_ctx)

{

	int rc;



	rc = ipa3_cfg_ep(ch->ipa_ep_num, &ep_ctx->cfg);

	if (rc) {

		ipa_eth_dev_err(ch->eth_dev,

				"Failed to configure EP %d", ch->ipa_ep_num);

		goto err_exit;

	}



	if (IPA_CLIENT_IS_PROD(ch->ipa_client))

		ipa3_install_dflt_flt_rules(ch->ipa_ep_num);



err_exit:

	return rc;

}



/**

 * ipa_eth_ep_init - Initialize IPA endpoint for a channel

 * ipa_eth_ep_init() - Initialize IPA endpoint for a channel

 * @ch: Channel for which EP need to be initialized

 *

 * Return: 0 on success, negative errno otherwise

 */

int ipa_eth_ep_init(struct ipa_eth_channel *ch)

{

	int rc = 0;

	struct ipa3_ep_context *ep_ctx = NULL;

	int rc;

	struct ipa3_ep_context *ep_ctx;



	ep_ctx = &ipa3_ctx->ep[ch->ipa_ep_num];

	if (!ep_ctx->valid) {
@@ -400,24 +419,31 @@ int ipa_eth_ep_init(struct ipa_eth_channel *ch) 
	}



	IPA_ACTIVE_CLIENTS_INC_SIMPLE();



	rc = ipa3_cfg_ep(ch->ipa_ep_num, &ep_ctx->cfg);

	if (rc) {

		ipa_eth_dev_err(ch->eth_dev,

				"Failed to configure EP %d", ch->ipa_ep_num);

	rc = __ipa_eth_ep_init(ch, ep_ctx);

	IPA_ACTIVE_CLIENTS_DEC_SIMPLE();

		goto err_exit;



	return rc;

}

EXPORT_SYMBOL(ipa_eth_ep_init);



/**

 * ipa_eth_ep_deinit() - Deinitialize IPA endpoint for a channel

 * @ch: Channel for which EP need to be deinitialized

 *

 * Return: 0 on success, negative errno otherwise

 */

int ipa_eth_ep_deinit(struct ipa_eth_channel *ch)

{

	IPA_ACTIVE_CLIENTS_INC_SIMPLE();



	if (IPA_CLIENT_IS_PROD(ch->ipa_client))

		ipa3_install_dflt_flt_rules(ch->ipa_ep_num);

		ipa3_delete_dflt_flt_rules(ch->ipa_ep_num);



	IPA_ACTIVE_CLIENTS_DEC_SIMPLE();



err_exit:

	return rc;

	return 0;

}

EXPORT_SYMBOL(ipa_eth_ep_init);

EXPORT_SYMBOL(ipa_eth_ep_deinit);



/**

 * ipa_eth_ep_start() - Start an IPA endpoint

include/linux/ipa_eth.h

+3 −1
Original line number Diff line number Diff line
@@ -43,9 +43,10 @@ 
 *                  to notify of various device events.

 *           5    - Removed ipa_eth_{gsi,uc}_iommu_*{} APIs that were used for

 *                  mapping memory to GSI and IPA uC IOMMU CBs.

 *           6    - Added ipa_eth_ep_deinit()

 */



#define IPA_ETH_API_VER 5

#define IPA_ETH_API_VER 6



/**

 * enum ipa_eth_dev_features - Features supported by an ethernet device or
@@ -1018,6 +1019,7 @@ struct ipa_eth_resource *ipa_eth_net_ch_to_cb_mem( 
	enum ipa_eth_hw_type hw_type);



int ipa_eth_ep_init(struct ipa_eth_channel *ch);

int ipa_eth_ep_deinit(struct ipa_eth_channel *ch);

int ipa_eth_ep_start(struct ipa_eth_channel *ch);

int ipa_eth_ep_stop(struct ipa_eth_channel *ch);