鎽樿锛氫粙绱逛簡鍗冨厗缍�(w菐ng)鎺ュ彛鏀濆儚姗�(j墨)纭欢瑷�(sh猫)瑷�(j矛)鏂规锛屽埄鐢‵PGA寮�(qi谩ng)澶х殑鍙法绋嬪拰骞惰铏曠悊鑳藉姏锛岃純澶ч檺搴︾殑鍒╃敤浜嗙恫(w菐ng)绲�(lu貌)甯跺锛涙彁鍑虹敤Winpcap鐛插彇鍦栧儚鏁�(sh霉)鎿�(j霉)锛屾湁鏁堟彁楂樹簡鏁�(sh霉)鎿�(j霉)鍖呯殑鎹曠嵅鐜�锛涜ō(sh猫)瑷�(j矛)鐨勯珮鍒嗚鲸鐜囬珮骞€鐜囨敐鍍忔(j墨)鐣潰娓呮櫚娴佹殺銆�

闂�(gu膩n)閸靛瓧锛氬崈鍏嗙恫(w菐ng)锛涙敐鍍忔(j墨)锛汧PGA;

1 寮� 瑷€

      闅ㄨ憲鐩�(ji膩n)鎺х郴绲�(t菕ng)鍦ㄥ晢鐢ㄦ皯鐢ㄧ殑鏃ユ几鏅強锛岀洠(ji膩n)鎺�?c谩i)z鍍忔(j墨)琚唬娉涙噳(y墨ng)鐢ㄥ湪鍚勫€�(g猫)闋�(l菒ng)鍩燂紝鐐虹ぞ鏈�(hu矛)娌诲畨淇濋璀�(h霉)鑸�銆傝闋荤洠(ji膩n)鎺�?c谩i)z鍍忔(j墨)寤ｆ硾鎳�(y墨ng)鐢ㄤ簬灞呮皯浣忓畢銆佹〒鐩ゅ垾澧�銆佸晢鍫�(ch菐ng)搴楅嫪銆佽病(c谩i)鍕�(w霉)瀹ゃ€傛瘡鍊�(g猫)涓嶅悓鐨勬噳(y墨ng)鐢ㄩ牁(l菒ng)鍩�锛岄渶瑕佹湁涓嶅悓椤炲瀷鐨勭洠(ji膩n)鎺�?c谩i)z鍍忔(j墨)銆傚偝绲�(t菕ng)鐨勭洠(ji膩n)鎺�?c谩i)z鍍忔(j墨)鍦栧儚鍒嗚鲸鐜囦綆锛岄洠浠ユ豢瓒充竴浜涙湁鐗规畩瑕佹眰鐨勬噳(y墨ng)鐢ㄥ牬(ch菐ng)鍚�銆傚埄鐢ㄧ恫(w菐ng)绲�(lu貌)渚�(l谩i)瀵�(sh铆)鐝�(xi脿n)灏�(du矛)楂樺垎杈ㄧ巼楂樺箑鐜囪闋诲湒鍍忓偝杓告槸瑕栭牷鐩�(ji膩n)鎺х郴绲�(t菕ng)鐨勪竴绋噸瑕佹€濇兂銆備絾鐧惧厗缍�(w菐ng)鍌宠几甯跺涓嶈冻銆佹暩(sh霉)鎿�(j霉)鍌宠几閫熷害澶參鍤�(y谩n)閲嶅埗绱勪簡鍏跺湪鐩�(ji膩n)鎺ч牁(l菒ng)鍩熺殑鎳�(y墨ng)鐢�銆傞嚌灏�(du矛)閫欎竴鍟�(w猫n)椤�锛屾湰鏂囨彁鍑轰簡鍩轰簬鍗冨厗浠ュお缍�(w菐ng)鍌宠几瑕栭牷鍦栧儚骞跺厖鍒嗗埄鐢ㄤ簡FPGA骞惰铏曠悊鍜孲DRAM楂橀€熺珐瀛樼殑鍎�(y艒u)鍕�(sh矛)锛屾彁楂樹簡瑕栭牷鍦栧儚鐨勫偝杓搁€熷害銆�

2 纭欢绺介珨瑷�(sh猫)瑷�(j矛)

      纭欢绺介珨妗嗘灦濡備笂鍦�锛屼富鎺у埗鍣‵PGA閬哥敤altera鍏徃楂樻€у児(ji脿)姣旇姱鐗嘐P2C20F256C6N銆傜郴绲�(t菕ng)宸ヤ綔闋荤巼鐐�100M銆傚湒鍍忓偝鎰熷櫒鐨勬暩(sh霉)鎿�(j霉)棣栧厛鍦‵IFO閲岀珐娌栧悗鏆瓨浜嶴DRAM锛屽湪缍�(w菐ng)绲�(lu貌)绌洪枒鏅�(sh铆)灏囨毇瀛樼殑鍦栧儚鏁�(sh霉)鎿�(j霉)缍�(j墨ng)FIFO2绶╂矕鍚庨€丮AC鑺墖锛屽啀鐧�(f膩)閫佸埌缍�(w菐ng)绲�(lu貌)涓�銆�

      CMOS鑺墖閬哥敤Micron Technology鐨凪T9P031锛屽湪500钀�(w脿n)鍍忕礌鐨勬豢鍒嗚鲸鐜囦笅鏈€楂樺彲杓稿嚭14骞€鐨勫湒鍍忔暩(sh霉)鎿�(j霉)銆� SDRAM閬哥敤W982516BH-75锛屽閲忕偤32Mbytes,g鑸嘑PGA鍏�(n猫i)閮‵IFO绲�(ji茅)鍚堝彲瑷�(sh猫)瑷�(j矛)鐐�32Mbytes鐨勫ぇ瀹归噺寰挵(hu谩n)绶╁瓨锛屽湪鍦栧儚鍒嗚鲸鐜囩偤300钀�(w脿n)鍍忕礌鏅�(sh铆)鍙珐瀛�10骞€浠ヤ笂鍦栧儚鏁�(sh霉)鎿�(j霉)銆傚崈鍏嗙恫(w菐ng)鎺ュ彛MAC鑺墖閬哥敤AX88180锛岀墿鐞嗗堡鑺墖閬哥敤88E1111锛屽啀閫氶亷(gu貌)缍�(w菐ng)绲�(lu貌)璁婂鍣ㄥ強RJ45鐢ㄥ叚椤炵恫(w菐ng)绶氳垏瑷�(j矛)绠楁(j墨)鍗冨厗缍�(w菐ng)鍗＄浉閫�銆�

3 鍗冨厗缍�(w菐ng)鎺ュ彛瑷�(sh猫)瑷�(j矛)

      AX88180鏄簽淇″叕鍙告帹鍑虹殑涓€娆鹃珮鎬ц兘浣庢垚鏈殑Non-PCI鍗冨厗浠ュお缍�(w菐ng)鎺у埗鍣�,閬╃敤浜庡绋渶瑕侀珮閫熸帴鍏ョ恫(w菐ng)绲�(lu貌)鐨勫祵鍏ュ紡绯荤当(t菕ng),濡傛秷璨�(f猫i)闆诲瓙鍜屽搴恫(w菐ng)绲�(lu貌)绛�銆侫X88180鍏�(n猫i)缃�10/100/1000 Mb/s浠ュお缍�(w菐ng)濯掗珨瀛樺彇鎺у埗鍣�(MAC),绗﹀悎IEEE 802.3/IEEE 802.3u/IEEE 802.3ab鍗�(xi茅)璀�,鍙垏涓€鑸�16/32浣嶅井鎺у埗鍣ㄩ€ｆ帴,鍏舵搷浣滆垏SRAM鐩稿悓銆侫X88180鍏�(n猫i)缃�10/100/1000 Mb/s浠ュお缍�(w菐ng)濯掗珨瀛樺彇鎺у埗鍣�(MAC),鑸嘝HY涔嬮枔閲囩敤RGMII鎺ュ彛;鍏�(n猫i)缃富姗�(j墨)鎺ュ彛鎺у埗鍣�,鍙互鑸�16/32浣嶄富姗�(j墨)鏂逛究閫ｆ帴灏嬪潃鏂瑰紡鑸嘢RAM鐩稿悓;鍏�(n猫i)缃�40 KB SRAM缍�(w菐ng)绲�(lu貌)灏佸寘绶╁瓨鍣�,鍏朵腑32 KB鐢ㄤ簬寰濸HY鎺ユ敹鏁�(sh霉)鎿�(j霉)鍖�,KB鐢ㄤ簬涓绘(j墨)鐧�(f膩)閫佹暩(sh霉)鎿�(j霉)鍖呭埌PHY,鍙互鐢ㄩ珮鏁堟柟寮忛€�(j矛n)琛屽皝鍖呯殑瀛樺劜(ch菙)銆佹绱㈣垏淇敼;鍏�(n猫i)缃�256瀛楃瘈(ji茅)鐨勯厤缃瘎瀛樺櫒,鐢ㄤ簬涓绘(j墨)鎺у埗鍜屽弮鏁�(sh霉)瑷�(sh猫)缃�;鍏�(n猫i)缃瓻EP-ROM鎺ュ彛;鍏�(n猫i)缃甀P/TCP/UDP 鏍￠(y脿n)鍜屽ぇ澶ф笡灏忓井鎺у埗鍣ㄧ殑閬�(y霉n)绠楄矤(f霉)杓�,鏀瑰杽鍌宠几鍙嶆噳(y墨ng)鏅�(sh铆)闁撱€傚湒2鐐篈X88180鍙奝HY鑺墖88E1111鐨勯€ｆ帴鍦�銆�

3.1 鍗冨厗缍�(w菐ng)鎺ュ彛鍒濆鍖�

      灏�(du矛)鍗冨厗缍�(w菐ng)鎺ュ彛鐨勫垵濮嬮潪甯搁噸瑕�锛屽鏋滃垵濮嬪寲涓嶆纰�锛岀郴绲�(t菕ng)灏囩劇(w煤)娉曟甯稿伐浣溿€傚皪(du矛)鎺ュ彛鐨勫垵濮嬪寲涓昏鍖呮嫭灏�(du矛)AX88180鍜�88E1111鐨勫垵濮嬪寲銆備唬纰肩敤verilog

      瑾�(y菙)瑷€瀹屾垚銆傚叿楂斾唬纰煎彲鍙冭€冧簽淇″叕鍙哥殑椹�(q奴)鍕�(d貌ng)绋嬪簭浠ｇ⒓锛屾噳(y墨ng)娉ㄦ剰鍒濆鍖栨檪(sh铆)闇€瑕佸姞鍏ヤ竴浜涘浐瀹氱殑寤舵檪(sh铆)浠ョ⒑瀹氳姱鐗囨甯稿伐浣�銆�

3.2 鍦栧儚鏁�(sh霉)鎿�(j霉)鐨勫皝鍖�

      鐣�(d膩ng)鍦栧儚鐨勫垎杈ㄧ巼鐐�2048脳1536鏅�(sh铆)锛屼竴鍊�(g猫)UDP鏁�(sh霉)鎿�(j霉)鍖呭寘鍚�1024瀛楃瘈(ji茅)鐨勫湒鍍忔暩(sh霉)鎿�(j霉)鍜屽叐鍊�(g猫)bytes鍦栧儚琛岀法铏�(h脿o)銆傜暥(d膩ng)瑷�(j矛)绠楁(j墨)鏀跺埌鏁�(sh霉)鎿�(j霉)鍖呮檪(sh铆)锛屾牴鎿�(j霉)鍦栧儚琛岀法铏�(h脿o)淇℃伅鏀惧叆灏�(du矛)鎳�(y墨ng)鐨勫収(n猫i)瀛樹腑锛屽彲浠ュ緢鏂逛究鐨勭祫鍚堟垚涓€鍓畬鏁寸殑鍦栧儚銆傚苟涓旓紝閲囩敤琛岀法铏�(h脿o)鐨勫舰寮�锛岄倓鍙槻姝㈡煇涓€鍏╁€�(g猫)鏁�(sh霉)鎿�(j霉)鍖呬笩澶卞悗灏�(d菐o)鑷存暣鍓湒鍍忛兘鐒�(w煤)娉曢’绀虹殑鍟�(w猫n)椤�銆備互涓嬮€橣PGA瀵叆AX88180鐨刄DP鍖呴牠浠ｇ⒓銆�

case(param_num)

 'd0: w_dd <= 'hFFFF;//鐩殑MAC鍦板潃锛堝唬鎾湴鍧€锛�锛屽涓夋

 'd3: w_dd <= 'h1111;//婧怣AC鍦板潃锛屽潎鐐�0x1111,瀵笁娆�

  'd6: w_dd <= 'h0008;//鍗�(xi茅)璀拌櫉(h脿o)

'd7: w_dd <= 'h0045;//鍥哄畾鏁�(sh霉)鎿�(j霉)VIP4,

'd8: w_dd <= 'h1E04;//IP鍖呯附闀�(zh菐ng)搴�1026+28,骞朵笖楂樹綆8浣嶄氦鎻�

 'd9: w_dd <= 'h0;//ID铏�(h脿o),濮嬬祩鐐猴紣

'd10:w_dd <= 'h0;//fragment offset濮嬬祩鐐猴紣;

'd11:w_dd <= 'h1140;//鐢熷瓨鏈熷拰鍗�(xi茅)璀拌櫉(h脿o),鍥哄畾

'd12:w_dd <= 'h0;//锛╋及鏍￠(y脿n)鍜�锛岀敱MAC鑺墖鑷嫊(d貌ng)鐢熸垚

'd13:w_dd <= 'hA8C0;//婧怚P锛屽浐瀹氱偤192.168.1.204

'd14:w_dd <= 'hCC01;

 'd15:w_dd <= 'hFFFF;//鐩殑IP锛屼换鎰�

 'd16:w_dd <= 'hFFFF;

 'd17:w_dd <= 'h7017;//婧愮鍙ｏ紝鍥哄畾鐐�6000

 'd18:w_dd <= 'h7017;// 鐩殑绔彛锛屽浐瀹氱偤6000

 'd19:w_dd <= 'h0A04;//UDP鏁�(sh霉)鎿�(j霉)闀�(zh菐ng)搴�

'd20:w_dd <= 'h0;////鏍￠(y脿n)鍜岀敱AX88180鑷嫊(d貌ng)鐢熸垚

'd21:w_dd <= row_num;//鍦栧儚琛屼俊鎭緸锛愰枊闁嬪

default:w_dd <= w_dd;

 endcase

3.3 鎳�(y墨ng)鐢ㄧ▼搴忚ō(sh猫)瑷�(j矛)

      鐢变簬澶ч噺鏁�(sh霉)鎿�(j霉)鍦ㄧ恫(w菐ng)绲�(lu貌)涓婂偝杓�锛岀敤SOCKET鐨勬柟寮忎締(l谩i)鐛插湒鍍忔暩(sh霉)鎿�(j霉)鍖呭凡缍�(j墨ng)姣旇純鍥伴洠锛屼笩鍖呯巼鏈�(hu矛)姣旇純楂�銆傞噰鐢╓inpcap渚�(l谩i)鎹曠嵅缍�(w菐ng)绲�(lu貌)涓婄殑鏁�(sh霉)鎿�(j霉)鍖咃紝鍙湁鏁堢殑娓涘皯涓熷寘鐜�銆傜敤Winpcap绶ㄥ绋嬪簭闇€瑕佸畨瑁濋枊鐧�(f膩)鍖呭強椹�(q奴)鍕�(d貌ng)绋嬪簭銆�

绗竴姝�锛屾寚瀹氳閫氫俊鐨勭恫(w菐ng)鍗¤ō(sh猫)鍌欏苟鎵撻枊銆�

BOOL InitWpcap(){

 pcap_if_t* alldevs;

 pcap_if_t* d;

 char errbuf[PCAP_ERRBUF_SIZE];

 if(pcap_findalldevs(&alldevs, errbuf) == -1){

  AfxMessageBox(鈥淓rror in pcap_findalldevs鈥�);

  return FALSE; }

// 鏋氳垑缍�(w菐ng)鍗＄劧鍚庢坊鍔犲埌鐢ㄦ埗閬告搰鐨凜omboBox涓�,浠ｇ⒓鐪佺暐

char *filter = "port 6000";//鍙帴鏀剁鍙�6000鐨勬暩(sh霉)鎿�(j霉)

 bpf_u_int32 NetMask = 0xFFFFFF;

 struct bpf_program fcode;

 if(pcap_compile(m_pcap, &fcode, filter, 1, NetMask) < 0){

  AfxMessageBox("nError compiling filter: wrong syntax");

  pcap_close(m_pcap);  return FALSE; }

 if(pcap_setfilter(m_pcap, &fcode)<0){

  AfxMessageBox("\nError setting the filter\n");

  pcap_close(m_pcap); return FALSE; }   

 pcap_freealldevs(alldevs); // 閲嬫斁alldev璩囨簮 

 return TRUE;}

绗簩姝ワ細闁嬪暉涓€鍊�(g猫)绶氱▼鎺ユ敹鏁�(sh霉)鎿�(j霉)銆�

UINT  RecvProc(LPVOID lpParammeter)

{ pcap_loop(m_pcap, 0, packet_handler, NULL); return 0;}

 packet_handler鏄檿鐞嗘敹鍒版暩(sh霉)鎿�(j霉)鍖呯殑鍥炶(di脿o)鍑芥暩(sh霉)锛� 鐣�(d膩ng)寰瀙ort6000鏀跺埌鏁�(sh霉)鎿�(j霉)鍚庡畠鏈�(hu矛)琚(di脿o)鐢�锛岀洿鍒扮窔绋嬬祩姝�銆�

绗笁姝ワ細铏曠悊鏀跺埌鐨勬暩(sh霉)鎿�(j霉)

void packet_handler(u_char *param, const struct pcap_pkthdr *header, const u_char *pkt_data){

 const u_char *real_data = pkt_data+42;

 int row=real_data[0]+(real_data[1]<<8); }//閫欓噷灏辨矑(m茅i)鏈夎檿鐞嗗寘闋�锛岀洿鎺ヨ檿鐞嗘暩(sh霉)鎿�(j霉)

4 绺界祼(ji茅)

      鏈枃瑷�(sh猫)瑷�(j矛)鐨勫崈鍏嗙恫(w菐ng)鎺ュ彛鏀濆儚姗�(j墨)锛岀恫(w菐ng)绲�(lu貌)鍌宠几鏈夋晥鏁�(sh霉)鎿�(j霉)甯跺閬�(d谩)400Mb/s浠ヤ笂锛岃純濂界殑瑙ｆ焙浜嗙櫨鍏嗙恫(w菐ng)鍌宠几甯跺涓嶈冻銆佹暩(sh霉)鎿�(j霉)鍌宠几閫熷害鎱㈢殑鍟�(w猫n)椤�銆傚偝杓�300钀�(w脿n)鍍忕礌涓嶉€�(j矛n)琛屽绺殑鍘熷鍦栧儚锛屽箑鐜囧彲閬�(d谩)18骞€锛忕锛岃闋绘祦鏆㈡竻鏅�銆傝▓(j矛)绠楁(j墨)閲囩敤Winpcap鎹曠嵅鍦栧儚鏁�(sh霉)鎿�(j霉)锛屼笩鍖呯巼灏忎簬0.02%銆�