xref: /openbmc/linux/drivers/net/ipa/ipa_gsi.c (revision 63705da3)
1 // SPDX-License-Identifier: GPL-2.0
2 
3 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
4  * Copyright (C) 2019-2020 Linaro Ltd.
5  */
6 
7 #include <linux/types.h>
8 
9 #include "ipa_gsi.h"
10 #include "gsi_trans.h"
11 #include "ipa.h"
12 #include "ipa_endpoint.h"
13 #include "ipa_data.h"
14 
15 void ipa_gsi_trans_complete(struct gsi_trans *trans)
16 {
17 	struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi);
18 
19 	ipa_endpoint_trans_complete(ipa->channel_map[trans->channel_id], trans);
20 }
21 
22 void ipa_gsi_trans_release(struct gsi_trans *trans)
23 {
24 	struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi);
25 
26 	ipa_endpoint_trans_release(ipa->channel_map[trans->channel_id], trans);
27 }
28 
29 void ipa_gsi_channel_tx_queued(struct gsi *gsi, u32 channel_id, u32 count,
30 			       u32 byte_count)
31 {
32 	struct ipa *ipa = container_of(gsi, struct ipa, gsi);
33 	struct ipa_endpoint *endpoint;
34 
35 	endpoint = ipa->channel_map[channel_id];
36 	if (endpoint->netdev)
37 		netdev_sent_queue(endpoint->netdev, byte_count);
38 }
39 
40 void ipa_gsi_channel_tx_completed(struct gsi *gsi, u32 channel_id, u32 count,
41 				  u32 byte_count)
42 {
43 	struct ipa *ipa = container_of(gsi, struct ipa, gsi);
44 	struct ipa_endpoint *endpoint;
45 
46 	endpoint = ipa->channel_map[channel_id];
47 	if (endpoint->netdev)
48 		netdev_completed_queue(endpoint->netdev, count, byte_count);
49 }
50 
51 /* Indicate whether an endpoint config data entry is "empty" */
52 bool ipa_gsi_endpoint_data_empty(const struct ipa_gsi_endpoint_data *data)
53 {
54 	return data->ee_id == GSI_EE_AP && !data->channel.tlv_count;
55 }
56