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 <haijun.liu@mediatek.com> 8 * Moises Veleta <moises.veleta@intel.com> 9 * 10 * Contributors: 11 * Amir Hanania <amir.hanania@intel.com> 12 * Chiranjeevi Rapolu <chiranjeevi.rapolu@intel.com> 13 * Ricardo Martinez <ricardo.martinez@linux.intel.com> 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__ */ 61