249 lines
6.3 KiB
C
249 lines
6.3 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2015 MediaTek Inc.
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*/
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#ifndef __CCCI_CCMNI_H__
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#define __CCCI_CCMNI_H__
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/device.h>
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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#include <linux/skbuff.h>
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#include <linux/bitops.h>
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#include <linux/pm_wakeup.h>
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#include <linux/spinlock.h>
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#include <linux/interrupt.h>
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#include <linux/delay.h>
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#include <linux/wait.h>
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#include <linux/dma-mapping.h>
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#include <linux/timer.h>
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#include <linux/if_ether.h>
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#include <linux/bitops.h>
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#include <linux/dma-mapping.h>
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#include "mt-plat/mtk_ccci_common.h"
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/*
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* normal workqueue: MODEM_CAP_NAPI=0, ENABLE_NAPI_GRO=0, ENABLE_WQ_GRO=0
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* workqueue with GRO: MODEM_CAP_NAPI=0, ENABLE_NAPI_GRO=0, ENABLE_WQ_GRO=1
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* NAPI without GRO: MODEM_CAP_NAPI=1, ENABLE_NAPI_GRO=0, ENABLE_WQ_GRO=0
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* NAPI with GRO: MODEM_CAP_NAPI=1, ENABLE_NAPI_GRO=1, ENABLE_WQ_GRO=0
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*/
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/* #define ENABLE_NAPI_GRO */
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#define ENABLE_WQ_GRO
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#define CCMNI_MTU 1500
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#define CCMNI_TX_QUEUE 1000
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#define CCMNI_NETDEV_WDT_TO (1*HZ)
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#define IPV4_VERSION 0x40
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#define IPV6_VERSION 0x60
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/* stop/start tx queue */
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#define SIOCSTXQSTATE (SIOCDEVPRIVATE + 0)
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/* configure ccmni/md remapping */
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#define SIOCCCMNICFG (SIOCDEVPRIVATE + 1)
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/* forward filter for ccmni tx packet */
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#define SIOCFWDFILTER (SIOCDEVPRIVATE + 2)
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/* disable ack first mechanism */
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#define SIOCACKPRIO (SIOCDEVPRIVATE + 3)
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/* push the queued packet to stack */
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#define SIOPUSHPENDING (SIOCDEVPRIVATE + 4)
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#define CCMNI_TX_PRINT_F (0x1 << 0)
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#define MDT_TAG_PATTERN 0x46464646
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#define CCMNI_FLT_NUM 32
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/* #define CCMNI_MET_DEBUG */
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#if defined(CCMNI_MET_DEBUG)
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#define MET_LOG_TIMER 20 /*20ms*/
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#define CCMNI_RX_MET_ID 0xF0000
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#define CCMNI_TX_MET_ID 0xF1000
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#endif
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struct ccmni_ch {
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int rx;
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int rx_ack;
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int tx;
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int tx_ack;
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int dl_ack;
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int multiq;
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};
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enum {
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CCMNI_FLT_ADD = 1,
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CCMNI_FLT_DEL = 2,
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CCMNI_FLT_FLUSH = 3,
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};
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struct ccmni_fwd_filter {
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u16 ver; /* ipv4 or ipv6*/
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u8 s_pref; /* mask number for source ip address */
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u8 d_pref; /* mask number for dest ip address */
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union {
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struct {
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u32 saddr; /* source ip address */
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u32 daddr; /* dest ip address */
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} ipv4;
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struct {
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u32 saddr[4];
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u32 daddr[4];
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} ipv6;
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};
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};
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struct ccmni_flt_act {
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u32 action;
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struct ccmni_fwd_filter flt;
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};
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struct ccmni_instance {
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int index;
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int md_id;
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struct ccmni_ch ch;
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int net_if_off;
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unsigned int ack_prio_en;
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atomic_t usage;
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/* use pointer to keep these items unique,
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* while switching between CCMNI instances
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*/
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struct timer_list *timer;
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struct net_device *dev;
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struct napi_struct *napi;
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unsigned int rx_seq_num;
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unsigned int tx_seq_num[2];
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unsigned int flags[2];
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spinlock_t *spinlock;
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struct ccmni_ctl_block *ctlb;
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unsigned long tx_busy_cnt[2];
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unsigned long tx_full_tick[2];
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unsigned long tx_irq_tick[2];
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unsigned int tx_full_cnt[2];
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unsigned int tx_irq_cnt[2];
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unsigned int rx_gro_cnt;
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unsigned int flt_cnt;
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struct ccmni_fwd_filter flt_tbl[CCMNI_FLT_NUM];
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#if defined(CCMNI_MET_DEBUG)
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unsigned long rx_met_time;
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unsigned long tx_met_time;
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unsigned long rx_met_bytes;
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unsigned long tx_met_bytes;
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#endif
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struct timespec flush_time;
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void *priv_data;
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/* For queue packet before ready */
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struct workqueue_struct *worker;
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struct delayed_work pkt_queue_work;
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};
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struct ccmni_ccci_ops {
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int ccmni_ver; /* CCMNI_DRV_VER */
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int ccmni_num;
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/* "ccmni" or "cc2mni" or "ccemni" */
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unsigned char name[16];
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unsigned int md_ability;
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/* with which md on iRAT */
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unsigned int irat_md_id;
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unsigned int napi_poll_weigh;
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int (*send_pkt)(int md_id, int ccmni_idx, void *data, int is_ack);
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int (*napi_poll)(int md_id, int ccmni_idx,
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struct napi_struct *napi, int weight);
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int (*get_ccmni_ch)(int md_id, int ccmni_idx, struct ccmni_ch *channel);
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void (*ccci_net_init)(char *name);
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int (*ccci_handle_port_list)(int status, char *name);
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};
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struct ccmni_ctl_block {
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struct ccmni_ccci_ops *ccci_ops;
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struct ccmni_instance *ccmni_inst[32];
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unsigned int md_sta;
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struct wakeup_source *ccmni_wakelock;
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char wakelock_name[16];
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unsigned long long net_rx_delay[4];
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};
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struct ccmni_dev_ops {
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/* must-have */
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int skb_alloc_size;
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int (*init)(int md_id, struct ccmni_ccci_ops *ccci_info);
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int (*rx_callback)(int md_id, int ccmni_idx,
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struct sk_buff *skb, void *priv_data);
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void (*md_state_callback)(int md_id,
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int ccmni_idx, enum MD_STATE state);
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void (*queue_state_callback)(int md_id, int ccmni_idx,
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enum HIF_STATE state, int is_ack);
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void (*exit)(int md_id);
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void (*dump)(int md_id, int ccmni_idx, unsigned int flag);
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void (*dump_rx_status)(int md_id, unsigned long long *status);
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struct ccmni_ch *(*get_ch)(int md_id, int ccmni_idx);
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int (*is_ack_skb)(int md_id, struct sk_buff *skb);
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};
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struct md_drt_tag {
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u8 in_netif_id;
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u8 out_netif_id;
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u16 port;
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};
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struct md_tag_packet {
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u32 guard_pattern;
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struct md_drt_tag info;
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};
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enum {
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/* for eemcs/eccci */
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CCMNI_DRV_V0 = 0,
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/* for dual_ccci ccmni_v1 */
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CCMNI_DRV_V1 = 1,
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/* for dual_ccci ccmni_v2 */
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CCMNI_DRV_V2 = 2,
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};
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enum {
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/* ccci send pkt success */
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CCMNI_ERR_TX_OK = 0,
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/* ccci tx packet buffer full and tx fail */
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CCMNI_ERR_TX_BUSY = -1,
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/* modem not ready and tx fail */
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CCMNI_ERR_MD_NO_READY = -2,
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/* modem not ready and tx fail */
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CCMNI_ERR_TX_INVAL = -3,
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};
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enum {
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CCMNI_TXQ_NORMAL = 0,
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CCMNI_TXQ_FAST = 1,
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CCMNI_TXQ_NUM,
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CCMNI_TXQ_END = CCMNI_TXQ_NUM
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};
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struct arphdr_in {
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__be16 ar_hrd;
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__be16 ar_pro;
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unsigned char ar_hln;
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unsigned char ar_pln;
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__be16 ar_op;
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unsigned char ar_sha[ETH_ALEN];
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unsigned char ar_sip[4];
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unsigned char ar_tha[ETH_ALEN];
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unsigned char ar_tip[4];
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};
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/***********************ccmni debug function*****************************/
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#define CCMNI_DBG_MSG(idx, fmt, args...) \
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pr_debug("[ccci%d/net]" fmt, (idx+1), ##args)
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#define CCMNI_INF_MSG(idx, fmt, args...) \
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pr_info("[ccci%d/net]" fmt, (idx+1), ##args)
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#define CCMNI_PR_DBG(idx, fmt, args...) \
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pr_debug("[ccci%d/net][Error:%d]%s:" fmt, (idx+1),\
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__LINE__, __func__, ##args)
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#endif /* __CCCI_CCMNI_H__ */
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