#include
#include?“adp.h“
#include?“physap.h“
#include?“net.h“
#include?“mib.h“


struct?adp_data_struct{
????uint16_t??payload_len;
????char?payload[NET_DRIVE_MTU];
};

struct?xmit_proc?{
????uint8_t?seqs;
????uint8_t?nsegs;
????struct?seg_struct?psdu;
};

struct?adp_proc{
????struct?adp_data_struct?txp;
????struct?adp_data_struct?rxp;
????struct?xmit_proc?xmitProc;??
};

static?struct?adp_proc?*adp_process=NULL;
static?u8?tx_lock=false;
static?int?tail_len?=0;

extern?void?uts_unlock（void）?;
static?void
tx_confirm_handler（uint8_t?*?mpdu?int?status）?{
????if?（status?||?（adp_process->xmitProc.seqs??>?adp_process->xmitProc.nsegs））?{
//????????printk（KERN_INFO?“xmit:[%s]?finished:[%s]?\n“status?“faild“:“success“
//????????????????????????????????adp_process->xmitProc.seqs??>?adp_process->xmitProc.nsegs?“yes“:“no“）;
????????adp_process->xmitProc.seqs?=?0;
????????adp_process->xmitProc.nsegs?=?0;
????????uts_unlock（）;
????????tx_lock=false;
????????memset（&adp_process->txp?0x0?sizeof?（struct?adp_data_struct））;
????????return;
????}

????if?（adp_process->xmitProc.seqs?==?adp_process->xmitProc.nsegs）?{
????????adp_process->xmitProc.psdu.hdr.type?=?SEG_TAIL;
????????adp_process->xmitProc.psdu.hdr.seqs?=?adp_process->xmitProc.nsegs;
????????adp_process->xmitProc.psdu.hdr.seg_length?=?tail_len???tail_len?:?MAX_SEG_LEN;
????}?else?{
????????adp_process->xmitProc.psdu.hdr.type?=?SEG_MID;
????????adp_process->xmitProc.psdu.hdr.seqs?=?adp_process->xmitProc.seqs;
????????adp_process->xmitProc.psdu.hdr.seg_length?=?MAX_SEG_LEN;
????}
????memcpy（?adp_process->xmitProc.psdu.data?adp_process->txp.payload?+?adp_process->xmitProc.seqs?*?MAX_SEG_LEN?adp_process->xmitProc.psdu.hdr.seg_length）;
????adp_process->xmitProc.seqs++;
????if（physap_xmit_mpdu_csma（（unsigned?char?*）?&adp_process->xmitProc.psdu?adp_process->xmitProc.psdu.hdr.seg_length?+?4?tx_confirm_handler））?{
//????????printk（KERN_WARNING?“send?[%d]?segments?failed!?\n“adp_process->xmitProc.seqs）;
????????memset（&adp_process->txp?0x0?sizeof?（struct?adp_data_struct））;
????????adp_process->xmitProc.seqs?=?0;
????????adp_process->xmitProc.nsegs?=?0;
????????uts_unlock（）;
????????tx_lock=false;
????????return;
????}
}

void?adp_req（char?*data?uint16_t?len）?{
????
????if（tx_lock）
????????return;
????tx_lock=true;

????tail_len=len%MAX_SEG_LEN;
????adp_process->txp.payload_len?=?len;
????memcpy（adp_process->txp.payload?data?len）;
????adp_process->xmitProc.nsegs?=tail_len?len?/MAX_SEG_LEN:（len?/?MAX_SEG_LEN-1）;
????adp_process->xmitProc.seqs?=?0;

????adp_process->xmitProc.psdu.hdr.type?=?SEG_FIRST;
????/*just?one?segment*/
????if?（（len?==MAX_SEG_LEN）?||?（!adp_process->xmitProc.nsegs））?{
????????adp_process->xmitProc.psdu.hdr.seqs?=?0;
????????adp_process->xmitProc.psdu.hdr.seg_length?=?adp_process->txp.payload_len;
????}?else?{?//one?more?fregment?send?first?segment
????????adp_process->xmitProc.psdu.hdr.seqs?=?adp_process->xmitProc.nsegs;
????????adp_process->xmitProc.psdu.hdr.seg_leng

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????6584??2016-01-14?15:00??數據包分段與重組算法原理及其實現\adp.c

?????文件????????985??2018-05-03?16:40??數據包分段與重組算法原理及其實現\adp.h

?????文件??????54388??2015-12-29?14:01??數據包分段與重組算法原理及其實現\分段與重組.odt

?????目錄??????????0??2016-04-01?11:05??數據包分段與重組算法原理及其實現

-----------?---------??----------?-----??----

????????????????61957????????????????????4