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Commit c793c3bd 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: Enable support for IPA LAN Rx in NAPI poll 



Enable support in IPA ethernet offload sub-system to receive IPA LAN Rx
packets from within NAPI poll context.

Change-Id: I6e91b643c0f6ebd7895ab9140c39d4bcd0e72335
Signed-off-by: default avatarJinesh K. Jayakumar <jineshk@codeaurora.org>
parent f2b683d1

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

+3 −2
Original line number Diff line number Diff line 
/* Copyright (c) 2019 The Linux Foundation. All rights reserved.

/* Copyright (c) 2019-2020 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
@@ -1168,7 +1168,8 @@ EXPORT_SYMBOL(ipa_eth_net_moderate_event); 
int ipa_eth_net_receive_skb(struct ipa_eth_device *eth_dev,

	struct sk_buff *skb)

{

	return ipa_eth_nd_op(eth_dev, receive_skb, eth_dev, skb);

	return ipa_eth_nd_op(eth_dev,

		receive_skb, eth_dev, skb, ipa_get_lan_rx_napi());

}

EXPORT_SYMBOL(ipa_eth_net_receive_skb);

include/linux/ipa_eth.h

+5 −3
Original line number Diff line number Diff line 
/* Copyright (c) 2019 The Linux Foundation. All rights reserved.

/* Copyright (c) 2019-2020 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
@@ -44,9 +44,10 @@ 
 *           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()

 *           7    - ipa_eth_net_ops.receive_skb() now accepts in_napi parameter

 */



#define IPA_ETH_API_VER 6

#define IPA_ETH_API_VER 7



/**

 * enum ipa_eth_dev_features - Features supported by an ethernet device or
@@ -698,6 +699,7 @@ struct ipa_eth_net_ops { 
	 *                  stack

	 * @eth_dev: Device to which the skb need to belong

	 * @skb: Skb to be provided to Linux network stack

	 * @in_napi: IPA LAN Rx is executing in NAPI poll

	 *

	 * When a network packet received by the IPA connected device queue can

	 * not be routed within IPA, it will be sent to Linux as an exception
@@ -713,7 +715,7 @@ struct ipa_eth_net_ops { 
	 * expected to have been freed.

	 */

	int (*receive_skb)(struct ipa_eth_device *eth_dev,

		struct sk_buff *skb);

		struct sk_buff *skb, bool in_napi);



	/**

	 * .transmit_skb() - Transmit an skb given IPA