drivers/net/ipa/ipa_gsi.c

   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 "gsi_trans.h"
  10 #include "ipa.h"
  11 #include "ipa_endpoint.h"
  12 #include "ipa_data.h"
  13
  14 void ipa_gsi_trans_complete(struct gsi_trans *trans)
  15 {
  16         struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi);
  17
  18         ipa_endpoint_trans_complete(ipa->channel_map[trans->channel_id], trans);
  19 }
  20
  21 void ipa_gsi_trans_release(struct gsi_trans *trans)
  22 {
  23         struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi);
  24
  25         ipa_endpoint_trans_release(ipa->channel_map[trans->channel_id], trans);
  26 }
  27
  28 void ipa_gsi_channel_tx_queued(struct gsi *gsi, u32 channel_id, u32 count,
  29                                u32 byte_count)
  30 {
  31         struct ipa *ipa = container_of(gsi, struct ipa, gsi);
  32         struct ipa_endpoint *endpoint;
  33
  34         endpoint = ipa->channel_map[channel_id];
  35         if (endpoint->netdev)
  36                 netdev_sent_queue(endpoint->netdev, byte_count);
  37 }
  38
  39 void ipa_gsi_channel_tx_completed(struct gsi *gsi, u32 channel_id, u32 count,
  40                                   u32 byte_count)
  41 {
  42         struct ipa *ipa = container_of(gsi, struct ipa, gsi);
  43         struct ipa_endpoint *endpoint;
  44
  45         endpoint = ipa->channel_map[channel_id];
  46         if (endpoint->netdev)
  47                 netdev_completed_queue(endpoint->netdev, count, byte_count);
  48 }
  49
  50 /* Indicate whether an endpoint config data entry is "empty" */
  51 bool ipa_gsi_endpoint_data_empty(const struct ipa_gsi_endpoint_data *data)
  52 {
  53         return data->ee_id == GSI_EE_AP && !data->channel.tlv_count;
  54 }