drivers/net/wwan/t7xx/t7xx_netdev.h

   1 /* SPDX-License-Identifier: GPL-2.0-only
   2  *
   3  * Copyright (c) 2021, MediaTek Inc.
   4  * Copyright (c) 2021-2022, Intel Corporation.
   5  *
   6  * Authors:
   7  *  Haijun Liu <[email protected]>
   8  *  Moises Veleta <[email protected]>
   9  *
  10  * Contributors:
  11  *  Amir Hanania <[email protected]>
  12  *  Chiranjeevi Rapolu <[email protected]>
  13  *  Ricardo Martinez <[email protected]>
  14  */
  15
  16 #ifndef __T7XX_NETDEV_H__
  17 #define __T7XX_NETDEV_H__
  18
  19 #include <linux/bits.h>
  20 #include <linux/netdevice.h>
  21 #include <linux/types.h>
  22
  23 #include "t7xx_hif_dpmaif.h"
  24 #include "t7xx_pci.h"
  25 #include "t7xx_state_monitor.h"
  26
  27 #define RXQ_NUM                         DPMAIF_RXQ_NUM
  28 #define NIC_DEV_MAX                     21
  29 #define NIC_DEV_DEFAULT                 2
  30
  31 #define CCMNI_NETDEV_WDT_TO             (1 * HZ)
  32 #define CCMNI_MTU_MAX                   3000
  33 #define NIC_NAPI_POLL_BUDGET            128
  34
  35 struct t7xx_ccmni {
  36         u8                              index;
  37         atomic_t                        usage;
  38         struct net_device               *dev;
  39         struct t7xx_ccmni_ctrl          *ctlb;
  40 };
  41
  42 struct t7xx_ccmni_ctrl {
  43         struct t7xx_pci_dev             *t7xx_dev;
  44         struct dpmaif_ctrl              *hif_ctrl;
  45         struct t7xx_ccmni               *ccmni_inst[NIC_DEV_MAX];
  46         struct dpmaif_callbacks         callbacks;
  47         unsigned int                    nic_dev_num;
  48         unsigned int                    md_sta;
  49         struct t7xx_fsm_notifier        md_status_notify;
  50         bool                            wwan_is_registered;
  51         struct net_device               dummy_dev;
  52         struct napi_struct              *napi[RXQ_NUM];
  53         atomic_t                        napi_usr_refcnt;
  54         bool                            is_napi_en;
  55 };
  56
  57 int t7xx_ccmni_init(struct t7xx_pci_dev *t7xx_dev);
  58 void t7xx_ccmni_exit(struct t7xx_pci_dev *t7xx_dev);
  59
  60 #endif /* __T7XX_NETDEV_H__ */