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https://github.com/shenmintao/aic8800d80.git
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Shen MintaoandClaude Sonnet 4.5
165a346c4d
Major updates: - Add Linux kernel 6.12-6.19 compatibility support - Add Linux 6.16 timer_container_of and wakelock API support - Add Debian 6.1.0-26 backport support - Fix Bluetooth firmware upload for chip_mcu_id == 1 (cache_mem_addr) - Add USB device ID 368b:8d81 support - Add AIC8800DW device support - Add TP-Link Archer TX1U Nano support (USB_VENDOR_ID_TENDA_V2:0x0110) - Add TENDA series device support (U2, U11, U11 PRO) - Add AIC8800FC_CUS4/5/6 series support - Add AIC8800M80_CUS7/8 series support - Add UGREEN AIC8800D80 adapter support - Fix CONFIG_USB_BT interface number check (allow 1 or 3 interfaces) - Update firmware files for all chip variants Device support: - AIC8800D80/D81/DC/DW series - AIC8800D80X2/D81X2/D89X2 series - AIC8800D80N/D80LN/D80WN/DLN/DWN series - TENDA U2/U11/U11 PRO/TX1U Nano adapters - Multiple OEM variants (FC_CUS1-6, M80_CUS1-8) Kernel compatibility: - Linux 3.10 - 6.19+ - Debian 6.1.0-26 with backported APIs - Ubuntu and other distributions Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
119 lines
2.9 KiB
C
119 lines
2.9 KiB
C
#ifndef _AICWF_TCP_ACK_H_
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#define _AICWF_TCP_ACK_H_
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#include <uapi/linux/if_ether.h>
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#include <uapi/linux/tcp.h>
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#include <uapi/linux/ip.h>
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#include <uapi/linux/in.h>
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#include <linux/moduleparam.h>
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#include <net/tcp.h>
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#include <linux/timer.h>
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#include <linux/version.h>
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#define TCP_ACK_NUM 32
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#define TCP_ACK_EXIT_VAL 0x800
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#define TCP_ACK_DROP_CNT 10
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#define ACK_OLD_TIME 4000
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#define U32_BEFORE(a, b) ((__s32)((__u32)a - (__u32)b) <= 0)
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#define MAX_TCP_ACK 200
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/*min window size in KB, it's 256KB*/
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#define MIN_WIN 256
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#define SIZE_KB 1024
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struct msg_buf {
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//struct list_head list;
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struct sk_buff *skb;
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struct rwnx_vif *rwnx_vif;
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/* data just tx cmd use,not include the head */
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};
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struct tcp_ack_msg {
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u16 source;
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u16 dest;
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s32 saddr;
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s32 daddr;
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u32 seq;
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u16 win;
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};
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struct tcp_ack_info {
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int ack_info_num;
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int busy;
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int drop_cnt;
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int psh_flag;
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u32 psh_seq;
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u16 win_scale;
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/* seqlock for ack info */
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seqlock_t seqlock;
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unsigned long last_time;
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unsigned long timeout;
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struct timer_list timer;
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struct msg_buf *msgbuf;
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struct msg_buf *in_send_msg;
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struct tcp_ack_msg ack_msg;
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};
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struct tcp_ack_manage {
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/* 1 filter */
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atomic_t enable;
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int max_num;
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int free_index;
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unsigned long last_time;
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unsigned long timeout;
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atomic_t max_drop_cnt;
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/* lock for tcp ack alloc and free */
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spinlock_t lock;
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struct rwnx_hw *priv;
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struct tcp_ack_info ack_info[TCP_ACK_NUM];
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/*size in KB*/
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unsigned int ack_winsize;
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};
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struct msg_buf *intf_tcp_alloc_msg(struct msg_buf *msg);
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void tcp_ack_init(struct rwnx_hw *priv);
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void tcp_ack_deinit(struct rwnx_hw *priv);
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int is_drop_tcp_ack(struct tcphdr *tcphdr, int tcp_tot_len, unsigned short *win_scale);
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int is_tcp_ack(struct sk_buff *skb, unsigned short *win_scale);
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int filter_send_tcp_ack(struct rwnx_hw *priv, struct msg_buf *msgbuf,unsigned char *buf, unsigned int plen);
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void filter_rx_tcp_ack(struct rwnx_hw *priv,unsigned char *buf, unsigned plen);
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void move_tcpack_msg(struct rwnx_hw *priv, struct msg_buf * msg);
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void intf_tcp_drop_msg(struct rwnx_hw *priv, struct msg_buf *msg);
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#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 14, 0)
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void tcp_ack_timeout(unsigned long data);
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#else
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void tcp_ack_timeout(struct timer_list *t);
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#endif
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int tcp_check_quick_ack(unsigned char *buf, struct tcp_ack_msg *msg);
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int tcp_check_ack(unsigned char *buf,
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struct tcp_ack_msg *msg,
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unsigned short *win_scale);
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int tcp_ack_match(struct tcp_ack_manage *ack_m, struct tcp_ack_msg *ack_msg);
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void tcp_ack_update(struct tcp_ack_manage *ack_m);
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int tcp_ack_alloc_index(struct tcp_ack_manage *ack_m);
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int tcp_ack_handle(struct msg_buf *new_msgbuf,
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struct tcp_ack_manage *ack_m,
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struct tcp_ack_info *ack_info,
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struct tcp_ack_msg *ack_msg,
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int type);
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int tcp_ack_handle_new(struct msg_buf *new_msgbuf,
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struct tcp_ack_manage *ack_m,
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struct tcp_ack_info *ack_info,
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struct tcp_ack_msg *ack_msg,
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int type);
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#endif
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