| /* |
| * Copyright (c) 2007-2008 Atheros Communications Inc. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| */ |
| /* */ |
| /* Module Name : mm.c */ |
| /* */ |
| /* Abstract */ |
| /* This module contains common functions for handle management */ |
| /* frame. */ |
| /* */ |
| /* NOTES */ |
| /* None */ |
| /* */ |
| /************************************************************************/ |
| #include "cprecomp.h" |
| #include "../hal/hpreg.h" |
| |
| /* TODO : put all constant tables to a file */ |
| const u8_t zg11bRateTbl[4] = {2, 4, 11, 22}; |
| const u8_t zg11gRateTbl[8] = {12, 18, 24, 36, 48, 72, 96, 108}; |
| |
| /* 0xff => element does not exist */ |
| const u8_t zgElementOffsetTable[] = |
| { |
| 4, /* 0 : asoc req */ |
| 6, /* 1 : asoc rsp */ |
| 10, /* 2 : reasoc req*/ |
| 6, /* 3 : reasoc rsp */ |
| 0, /* 4 : probe req */ |
| 12, /* 5 : probe rsp */ |
| 0xff, /* 6 : reserved */ |
| 0xff, /* 7 : reserved */ |
| 12, /* 8 : beacon */ |
| 4, /* 9 : ATIM */ |
| 0xff, /* 10 : disasoc */ |
| 6, /* 11 : auth */ |
| 0xff, /* 12 : deauth */ |
| 4, /* 13 : action */ |
| 0xff, /* 14 : reserved */ |
| 0xff, /* 15 : reserved */ |
| }; |
| |
| /************************************************************************/ |
| /* */ |
| /* FUNCTION DESCRIPTION zfFindElement */ |
| /* Find a specific element in management frame */ |
| /* */ |
| /* INPUTS */ |
| /* dev : device pointer */ |
| /* buf : management frame buffer */ |
| /* eid : target element id */ |
| /* */ |
| /* OUTPUTS */ |
| /* byte offset of target element */ |
| /* or 0xffff if not found */ |
| /* */ |
| /* AUTHOR */ |
| /* Stephen Chen ZyDAS Technology Corporation 2005.10 */ |
| /* */ |
| /************************************************************************/ |
| u16_t zfFindElement(zdev_t* dev, zbuf_t* buf, u8_t eid) |
| { |
| u8_t subType; |
| u16_t offset; |
| u16_t bufLen; |
| u16_t elen; |
| u8_t id, HTEid=0; |
| u8_t oui[4] = {0x00, 0x50, 0xf2, 0x01}; |
| u8_t oui11n[3] = {0x00,0x90,0x4C}; |
| u8_t HTType = 0; |
| |
| /* Get offset of first element */ |
| subType = (zmw_rx_buf_readb(dev, buf, 0) >> 4); |
| if ((offset = zgElementOffsetTable[subType]) == 0xff) |
| { |
| zm_assert(0); |
| } |
| |
| /* Plus wlan header */ |
| offset += 24; |
| |
| // jhlee HT 0 |
| |
| if ((eid == ZM_WLAN_EID_HT_CAPABILITY) || |
| (eid == ZM_WLAN_EID_EXTENDED_HT_CAPABILITY)) |
| { |
| HTEid = eid; |
| eid = ZM_WLAN_EID_WPA_IE; |
| HTType = 1; |
| } |
| |
| |
| bufLen = zfwBufGetSize(dev, buf); |
| /* Search loop */ |
| while ((offset+2)<bufLen) // including element ID and length (2bytes) |
| { |
| /* Search target element */ |
| if ((id = zmw_rx_buf_readb(dev, buf, offset)) == eid) |
| { |
| /* Bingo */ |
| if ((elen = zmw_rx_buf_readb(dev, buf, offset+1))>(bufLen - offset)) |
| { |
| /* Element length error */ |
| return 0xffff; |
| } |
| |
| if ( elen == 0 && eid != ZM_WLAN_EID_SSID) |
| { |
| /* Element length error */ |
| return 0xffff; |
| } |
| |
| if ( eid == ZM_WLAN_EID_WPA_IE ) |
| { |
| /* avoid sta to be thought use 11n when find a WPA_IE */ |
| if ( (HTType == 0) && zfRxBufferEqualToStr(dev, buf, oui, offset+2, 4) ) |
| { |
| return offset; |
| } |
| |
| // jhlee HT 0 |
| // CWYang(+) |
| |
| if ((HTType == 1) && ( zfRxBufferEqualToStr(dev, buf, oui11n, offset+2, 3) )) |
| { |
| if ( zmw_rx_buf_readb(dev, buf, offset+5) == HTEid ) |
| { |
| return offset + 5; |
| } |
| } |
| |
| } |
| else |
| { |
| return offset; |
| } |
| } |
| /* Advance to next element */ |
| #if 1 |
| elen = zmw_rx_buf_readb(dev, buf, offset+1); |
| #else |
| if ((elen = zmw_rx_buf_readb(dev, buf, offset+1)) == 0) |
| { |
| return 0xffff; |
| } |
| #endif |
| |
| offset += (elen+2); |
| } |
| return 0xffff; |
| } |
| |
| |
| /************************************************************************/ |
| /* */ |
| /* FUNCTION DESCRIPTION zfFindWifiElement */ |
| /* Find a specific Wifi element in management frame */ |
| /* */ |
| /* INPUTS */ |
| /* dev : device pointer */ |
| /* buf : management frame buffer */ |
| /* type : OUI type */ |
| /* subType : OUI subtype */ |
| /* */ |
| /* OUTPUTS */ |
| /* byte offset of target element */ |
| /* or 0xffff if not found */ |
| /* */ |
| /* AUTHOR */ |
| /* Stephen Chen ZyDAS Technology Corporation 2006.1 */ |
| /* */ |
| /************************************************************************/ |
| u16_t zfFindWifiElement(zdev_t* dev, zbuf_t* buf, u8_t type, u8_t subtype) |
| { |
| u8_t subType; |
| u16_t offset; |
| u16_t bufLen; |
| u16_t elen; |
| u8_t id; |
| u8_t tmp; |
| |
| /* Get offset of first element */ |
| subType = (zmw_rx_buf_readb(dev, buf, 0) >> 4); |
| |
| if ((offset = zgElementOffsetTable[subType]) == 0xff) |
| { |
| zm_assert(0); |
| } |
| |
| /* Plus wlan header */ |
| offset += 24; |
| |
| bufLen = zfwBufGetSize(dev, buf); |
| /* Search loop */ |
| while ((offset+2)<bufLen) // including element ID and length (2bytes) |
| { |
| /* Search target element */ |
| if ((id = zmw_rx_buf_readb(dev, buf, offset)) == ZM_WLAN_EID_WIFI_IE) |
| { |
| /* Bingo */ |
| if ((elen = zmw_rx_buf_readb(dev, buf, offset+1))>(bufLen - offset)) |
| { |
| /* Element length error */ |
| return 0xffff; |
| } |
| |
| if ( elen == 0 ) |
| { |
| return 0xffff; |
| } |
| |
| if (((tmp = zmw_rx_buf_readb(dev, buf, offset+2)) == 0x00) |
| && ((tmp = zmw_rx_buf_readb(dev, buf, offset+3)) == 0x50) |
| && ((tmp = zmw_rx_buf_readb(dev, buf, offset+4)) == 0xF2) |
| && ((tmp = zmw_rx_buf_readb(dev, buf, offset+5)) == type)) |
| |
| { |
| if ( subtype != 0xff ) |
| { |
| if ( (tmp = zmw_rx_buf_readb(dev, buf, offset+6)) == subtype ) |
| { |
| return offset; |
| } |
| } |
| else |
| { |
| return offset; |
| } |
| } |
| } |
| /* Advance to next element */ |
| if ((elen = zmw_rx_buf_readb(dev, buf, offset+1)) == 0) |
| { |
| return 0xffff; |
| } |
| offset += (elen+2); |
| } |
| return 0xffff; |
| } |
| |
| u16_t zfRemoveElement(zdev_t* dev, u8_t* buf, u16_t size, u8_t eid) |
| { |
| u16_t offset = 0; |
| u16_t elen; |
| u8_t HTEid = 0; |
| u8_t oui[4] = {0x00, 0x50, 0xf2, 0x01}; |
| u8_t oui11n[3] = {0x00,0x90,0x4C}; |
| u8_t HTType = 0; |
| |
| if ((eid == ZM_WLAN_EID_HT_CAPABILITY) || |
| (eid == ZM_WLAN_EID_EXTENDED_HT_CAPABILITY)) |
| { |
| HTEid = eid; |
| eid = ZM_WLAN_EID_WPA_IE; |
| HTType = 1; |
| } |
| |
| while (offset < size) |
| { |
| elen = *(buf+offset+1); |
| |
| if (*(buf+offset) == eid) |
| { |
| if ( eid == ZM_WLAN_EID_WPA_IE ) |
| { |
| if ( (HTType == 0) |
| && (*(buf+offset+2) == oui[0]) |
| && (*(buf+offset+3) == oui[1]) |
| && (*(buf+offset+4) == oui[2]) |
| && (*(buf+offset+5) == oui[3]) ) |
| { |
| zfMemoryMove(buf+offset, buf+offset+elen+2, size-offset-elen-2); |
| return (size-elen-2); |
| } |
| |
| if ( (HTType == 1) |
| && (*(buf+offset+2) == oui11n[0]) |
| && (*(buf+offset+3) == oui11n[1]) |
| && (*(buf+offset+4) == oui11n[2]) |
| && (*(buf+offset+5) == HTEid) ) |
| { |
| zfMemoryMove(buf+offset, buf+offset+elen+2, size-offset-elen-2); |
| return (size-elen-2); |
| } |
| } |
| else |
| { |
| zfMemoryMove(buf+offset, buf+offset+elen+2, size-offset-elen-2); |
| return (size-elen-2); |
| } |
| } |
| |
| offset += (elen+2); |
| } |
| |
| return size; |
| } |
| |
| u16_t zfUpdateElement(zdev_t* dev, u8_t* buf, u16_t size, u8_t* updateeid) |
| { |
| u16_t offset = 0; |
| u16_t elen; |
| |
| while (offset < size) { |
| elen = *(buf+offset+1); |
| |
| if (*(buf+offset) == updateeid[0]) { |
| if (updateeid[1] <= elen) { |
| zfMemoryMove(buf+offset, updateeid, updateeid[1]+2); |
| zfMemoryMove(buf+offset+updateeid[1]+2, buf+offset+elen+2, size-offset-elen-2); |
| |
| return size-(elen-updateeid[1]); |
| } else { |
| zfMemoryMove(buf+offset+updateeid[1]+2, buf+offset+elen+2, size-offset-elen-2); |
| zfMemoryMove(buf+offset, updateeid, updateeid[1]+2); |
| |
| return size+(updateeid[1]-elen); |
| } |
| } |
| |
| offset += (elen+2); |
| } |
| |
| return size; |
| } |
| |
| u16_t zfFindSuperGElement(zdev_t* dev, zbuf_t* buf, u8_t type) |
| { |
| u8_t subType; |
| u16_t offset; |
| u16_t bufLen; |
| u16_t elen; |
| u8_t id; |
| u8_t super_feature; |
| u8_t ouiSuperG[6] = {0x00,0x03,0x7f,0x01, 0x01, 0x00}; |
| |
| zmw_get_wlan_dev(dev); |
| |
| /* Get offset of first element */ |
| subType = (zmw_rx_buf_readb(dev, buf, 0) >> 4); |
| if ((offset = zgElementOffsetTable[subType]) == 0xff) |
| { |
| zm_assert(0); |
| } |
| |
| /* Plus wlan header */ |
| offset += 24; |
| |
| bufLen = zfwBufGetSize(dev, buf); |
| /* Search loop */ |
| while ((offset+2)<bufLen) // including element ID and length (2bytes) |
| { |
| /* Search target element */ |
| if ((id = zmw_rx_buf_readb(dev, buf, offset)) == ZM_WLAN_EID_VENDOR_PRIVATE) |
| { |
| /* Bingo */ |
| if ((elen = zmw_rx_buf_readb(dev, buf, offset+1))>(bufLen - offset)) |
| { |
| /* Element length error */ |
| return 0xffff; |
| } |
| |
| if ( elen == 0 ) |
| { |
| return 0xffff; |
| } |
| |
| if (zfRxBufferEqualToStr(dev, buf, ouiSuperG, offset+2, 6) && ( zmw_rx_buf_readb(dev, buf, offset+1) >= 6)) |
| { |
| /* super_feature 0:useFastFrame, 1:useCompression, 2:useTurboPrime */ |
| super_feature= zmw_rx_buf_readb(dev, buf, offset+8); |
| if ((super_feature & 0x01) || (super_feature & 0x02) || (super_feature & 0x04)) |
| { |
| return offset; |
| } |
| } |
| } |
| /* Advance to next element */ |
| #if 1 |
| elen = zmw_rx_buf_readb(dev, buf, offset+1); |
| #else |
| if ((elen = zmw_rx_buf_readb(dev, buf, offset+1)) == 0) |
| { |
| return 0xffff; |
| } |
| #endif |
| |
| offset += (elen+2); |
| } |
| return 0xffff; |
| } |
| |
| u16_t zfFindXRElement(zdev_t* dev, zbuf_t* buf, u8_t type) |
| { |
| u8_t subType; |
| u16_t offset; |
| u16_t bufLen; |
| u16_t elen; |
| u8_t id; |
| u8_t ouixr[6] = {0x00,0x03,0x7f,0x03, 0x01, 0x00}; |
| |
| zmw_get_wlan_dev(dev); |
| |
| /* Get offset of first element */ |
| subType = (zmw_rx_buf_readb(dev, buf, 0) >> 4); |
| if ((offset = zgElementOffsetTable[subType]) == 0xff) |
| { |
| zm_assert(0); |
| } |
| |
| /* Plus wlan header */ |
| offset += 24; |
| |
| bufLen = zfwBufGetSize(dev, buf); |
| /* Search loop */ |
| while ((offset+2)<bufLen) // including element ID and length (2bytes) |
| { |
| /* Search target element */ |
| if ((id = zmw_rx_buf_readb(dev, buf, offset)) == ZM_WLAN_EID_VENDOR_PRIVATE) |
| { |
| /* Bingo */ |
| if ((elen = zmw_rx_buf_readb(dev, buf, offset+1))>(bufLen - offset)) |
| { |
| /* Element length error */ |
| return 0xffff; |
| } |
| |
| if ( elen == 0 ) |
| { |
| return 0xffff; |
| } |
| |
| if (zfRxBufferEqualToStr(dev, buf, ouixr, offset+2, 6) && ( zmw_rx_buf_readb(dev, buf, offset+1) >= 6)) |
| { |
| return offset; |
| } |
| } |
| /* Advance to next element */ |
| #if 1 |
| elen = zmw_rx_buf_readb(dev, buf, offset+1); |
| #else |
| if ((elen = zmw_rx_buf_readb(dev, buf, offset+1)) == 0) |
| { |
| return 0xffff; |
| } |
| #endif |
| |
| offset += (elen+2); |
| } |
| return 0xffff; |
| } |
| |
| /************************************************************************/ |
| /* */ |
| /* FUNCTION DESCRIPTION zfMmAddIeSupportRate */ |
| /* Add information element Support Rate to buffer. */ |
| /* */ |
| /* INPUTS */ |
| /* dev : device pointer */ |
| /* buf : buffer to add information element */ |
| /* offset : add information element from this offset */ |
| /* eid : element ID */ |
| /* rateSet : CCK or OFDM */ |
| /* */ |
| /* OUTPUTS */ |
| /* buffer offset after adding information element */ |
| /* */ |
| /* AUTHOR */ |
| /* Stephen Chen ZyDAS Technology Corporation 2005.10 */ |
| /* */ |
| /************************************************************************/ |
| u16_t zfMmAddIeSupportRate(zdev_t* dev, zbuf_t* buf, u16_t offset, u8_t eid, u8_t rateSet) |
| { |
| u8_t len = 0; |
| u16_t i; |
| |
| zmw_get_wlan_dev(dev); |
| |
| //if ( (rateSet == ZM_RATE_SET_OFDM)&&((wd->gRate & 0xff) == 0) ) |
| //{ |
| // return offset; |
| //} |
| |
| /* Information : Support Rate */ |
| if ( rateSet == ZM_RATE_SET_CCK ) |
| { |
| for (i=0; i<4; i++) |
| { |
| if ((wd->bRate & (0x1<<i)) == (0x1<<i)) |
| //if ((0xf & (0x1<<i)) == (0x1<<i)) |
| { |
| zmw_tx_buf_writeb(dev, buf, offset+len+2, |
| zg11bRateTbl[i]+((wd->bRateBasic & (0x1<<i))<<(7-i))); |
| len++; |
| } |
| } |
| } |
| else if ( rateSet == ZM_RATE_SET_OFDM ) |
| { |
| for (i=0; i<8; i++) |
| { |
| if ((wd->gRate & (0x1<<i)) == (0x1<<i)) |
| //if ((0xff & (0x1<<i)) == (0x1<<i)) |
| { |
| zmw_tx_buf_writeb(dev, buf, offset+len+2, |
| zg11gRateTbl[i]+((wd->gRateBasic & (0x1<<i))<<(7-i))); |
| len++; |
| } |
| } |
| } |
| |
| if (len > 0) |
| { |
| /* Element ID */ |
| zmw_tx_buf_writeb(dev, buf, offset, eid); |
| |
| /* Element Length */ |
| zmw_tx_buf_writeb(dev, buf, offset+1, len); |
| |
| /* Return value */ |
| offset += (2+len); |
| } |
| |
| return offset; |
| } |
| |
| /************************************************************************/ |
| /* */ |
| /* FUNCTION DESCRIPTION zfMmAddIeDs */ |
| /* Add information element DS to buffer. */ |
| /* */ |
| /* INPUTS */ |
| /* dev : device pointer */ |
| /* buf : buffer to add information element */ |
| /* offset : add information element from this offset */ |
| /* */ |
| /* OUTPUTS */ |
| /* buffer offset after adding information element */ |
| /* */ |
| /* AUTHOR */ |
| /* Stephen Chen ZyDAS Technology Corporation 2005.10 */ |
| /* */ |
| /************************************************************************/ |
| u16_t zfMmAddIeDs(zdev_t* dev, zbuf_t* buf, u16_t offset) |
| { |
| zmw_get_wlan_dev(dev); |
| |
| /* Element ID */ |
| zmw_tx_buf_writeb(dev, buf, offset++, ZM_WLAN_EID_DS); |
| |
| /* Element Length */ |
| zmw_tx_buf_writeb(dev, buf, offset++, 1); |
| |
| /* Information : DS */ |
| zmw_tx_buf_writeb(dev, buf, offset++, |
| zfChFreqToNum(wd->frequency, NULL)); |
| |
| return offset; |
| } |
| |
| |
| /************************************************************************/ |
| /* */ |
| /* FUNCTION DESCRIPTION zfMmAddIeErp */ |
| /* Add information element ERP to buffer. */ |
| /* */ |
| /* INPUTS */ |
| /* dev : device pointer */ |
| /* buf : buffer to add information element */ |
| /* offset : add information element from this offset */ |
| /* */ |
| /* OUTPUTS */ |
| /* buffer offset after adding information element */ |
| /* */ |
| /* AUTHOR */ |
| /* Stephen Chen ZyDAS Technology Corporation 2005.10 */ |
| /* */ |
| /************************************************************************/ |
| u16_t zfMmAddIeErp(zdev_t* dev, zbuf_t* buf, u16_t offset) |
| { |
| zmw_get_wlan_dev(dev); |
| |
| /* Element ID */ |
| zmw_tx_buf_writeb(dev, buf, offset++, ZM_WLAN_EID_ERP); |
| |
| /* Element Length */ |
| zmw_tx_buf_writeb(dev, buf, offset++, 1); |
| |
| /* Information : ERP */ |
| zmw_tx_buf_writeb(dev, buf, offset++, wd->erpElement); |
| |
| return offset; |
| } |
| |
| |
| /************************************************************************/ |
| /* */ |
| /* FUNCTION DESCRIPTION zfMmAddIeWpa */ |
| /* Add information element WPA to buffer. */ |
| /* */ |
| /* INPUTS */ |
| /* dev : device pointer */ |
| /* buf : buffer to add information element */ |
| /* offset : add information element from this offset */ |
| /* */ |
| /* OUTPUTS */ |
| /* buffer offset after adding information element */ |
| /* */ |
| /* AUTHOR */ |
| /* Yuan-Gu Wei ZyDAS Technology Corporation 2006.2 */ |
| /* */ |
| /************************************************************************/ |
| u16_t zfMmAddIeWpa(zdev_t* dev, zbuf_t* buf, u16_t offset, u16_t apId) |
| { |
| //struct zsWlanDev* wd = (struct zsWlanDev*) zmw_wlan_dev(dev); |
| int i; |
| |
| zmw_get_wlan_dev(dev); |
| |
| /* Element ID */ |
| //zmw_inttx_buf_writeb(dev, buf, offset++, ZM_WLAN_EID_WPA_IE); |
| |
| /* Element Length */ |
| //zmw_inttx_buf_writeb(dev, buf, offset++, wd->ap.wpaLen); |
| for(i = 0; i < wd->ap.wpaLen[apId]; i++) |
| { |
| /* Information : WPA */ |
| zmw_tx_buf_writeb(dev, buf, offset++, wd->ap.wpaIe[apId][i]); |
| } |
| |
| return offset; |
| } |
| |
| /************************************************************************/ |
| /* */ |
| /* FUNCTION DESCRIPTION zfMmAddHTCapability */ |
| /* Add HT Capability Infomation to buffer. */ |
| /* */ |
| /* INPUTS */ |
| /* dev : device pointer */ |
| /* buf : buffer to add information element */ |
| /* offset : add information element from this offset */ |
| /* */ |
| /* OUTPUTS */ |
| /* buffer offset after adding information element */ |
| /* */ |
| /* AUTHOR */ |
| /* Chao-Wen Yang ZyDAS Technology Corporation 2006.06 */ |
| /* */ |
| /************************************************************************/ |
| u16_t zfMmAddHTCapability(zdev_t* dev, zbuf_t* buf, u16_t offset) |
| { |
| u8_t OUI[3] = {0x0,0x90,0x4C}; |
| u16_t i; |
| |
| zmw_get_wlan_dev(dev); |
| |
| /* Prob ID */ |
| zmw_buf_writeb(dev, buf, offset++, ZM_WLAN_EID_WPA_IE); |
| |
| if ( wd->wlanMode == ZM_MODE_AP ) |
| { |
| /* Element Length */ |
| zmw_buf_writeb(dev, buf, offset++, wd->ap.HTCap.Data.Length + 4); |
| |
| /* OUI Data */ |
| for (i = 0; i < 3; i++) |
| { |
| zmw_buf_writeb(dev, buf, offset++, OUI[i]); |
| } |
| |
| /* Element Type ID */ |
| zmw_buf_writeb(dev, buf, offset++, wd->ap.HTCap.Data.ElementID); |
| |
| /* HT Capability Data */ |
| for (i = 0; i < 26; i++) |
| { |
| zmw_buf_writeb(dev, buf, offset++, wd->ap.HTCap.Byte[i+2]); |
| } |
| } |
| else |
| { |
| /* Element Length */ |
| zmw_buf_writeb(dev, buf, offset++, wd->sta.HTCap.Data.Length + 4); |
| |
| /* OUI Data */ |
| for (i = 0; i < 3; i++) |
| { |
| zmw_buf_writeb(dev, buf, offset++, OUI[i]); |
| } |
| |
| /* Element Type ID */ |
| zmw_buf_writeb(dev, buf, offset++, wd->sta.HTCap.Data.ElementID); |
| |
| /* HT Capability Data */ |
| for (i = 0; i < 26; i++) |
| { |
| zmw_buf_writeb(dev, buf, offset++, wd->sta.HTCap.Byte[i+2]); |
| } |
| } |
| |
| return offset; |
| } |
| |
| |
| u16_t zfMmAddPreNHTCapability(zdev_t* dev, zbuf_t* buf, u16_t offset) |
| { |
| //u8_t OUI[3] = {0x0,0x90,0x4C}; |
| u16_t i; |
| |
| zmw_get_wlan_dev(dev); |
| |
| /* Prob ID */ |
| zmw_buf_writeb(dev, buf, offset++, ZM_WLAN_PREN2_EID_HTCAPABILITY); |
| |
| if ( wd->wlanMode == ZM_MODE_AP ) |
| { |
| /* Element Length */ |
| zmw_buf_writeb(dev, buf, offset++, wd->ap.HTCap.Data.Length); |
| |
| /* HT Capability Data */ |
| for (i = 0; i < 26; i++) |
| { |
| zmw_buf_writeb(dev, buf, offset++, wd->ap.HTCap.Byte[i+2]); |
| } |
| } |
| else |
| { |
| /* Element Length */ |
| zmw_buf_writeb(dev, buf, offset++, wd->sta.HTCap.Data.Length); |
| |
| /* HT Capability Data */ |
| for (i = 0; i < 26; i++) |
| { |
| zmw_buf_writeb(dev, buf, offset++, wd->sta.HTCap.Byte[i+2]); |
| } |
| } |
| |
| return offset; |
| } |
| |
| /************************************************************************/ |
| /* */ |
| /* FUNCTION DESCRIPTION zfMmAddExtendedHTCapability */ |
| /* Add Extended HT Capability Infomation to buffer. */ |
| /* */ |
| /* INPUTS */ |
| /* dev : device pointer */ |
| /* buf : buffer to add information element */ |
| /* offset : add information element from this offset */ |
| /* */ |
| /* OUTPUTS */ |
| /* buffer offset after adding information element */ |
| /* */ |
| /* AUTHOR */ |
| /* Chao-Wen Yang ZyDAS Technology Corporation 2006.06 */ |
| /* */ |
| /************************************************************************/ |
| u16_t zfMmAddExtendedHTCapability(zdev_t* dev, zbuf_t* buf, u16_t offset) |
| { |
| u8_t OUI[3] = {0x0,0x90,0x4C}; |
| u16_t i; |
| |
| zmw_get_wlan_dev(dev); |
| |
| /* Prob ID */ |
| zmw_buf_writeb(dev, buf, offset++, ZM_WLAN_EID_WPA_IE); |
| |
| if ( wd->wlanMode == ZM_MODE_AP ) |
| { |
| /* Element Length */ |
| zmw_buf_writeb(dev, buf, offset++, wd->ap.ExtHTCap.Data.Length + 4); |
| |
| /* OUI Data */ |
| for (i = 0; i < 3; i++) |
| { |
| zmw_buf_writeb(dev, buf, offset++, OUI[i]); |
| } |
| |
| /* Element Type ID */ |
| zmw_buf_writeb(dev, buf, offset++, wd->ap.ExtHTCap.Data.ElementID); |
| |
| /* HT Capability Data */ |
| for (i = 0; i < 22; i++) |
| { |
| zmw_buf_writeb(dev, buf, offset++, wd->ap.ExtHTCap.Byte[i+2]); |
| } |
| } |
| else |
| { |
| /* Element Length */ |
| zmw_buf_writeb(dev, buf, offset++, wd->sta.ExtHTCap.Data.Length + 4); |
| |
| /* OUI Data */ |
| for (i = 0; i < 3; i++) |
| { |
| zmw_buf_writeb(dev, buf, offset++, OUI[i]); |
| } |
| |
| /* Element Type ID */ |
| zmw_buf_writeb(dev, buf, offset++, wd->sta.ExtHTCap.Data.ElementID); |
| |
| /* HT Capability Data */ |
| for (i = 0; i < 22; i++) |
| { |
| zmw_buf_writeb(dev, buf, offset++, wd->sta.ExtHTCap.Byte[i+2]); |
| } |
| } |
| |
| return offset; |
| } |
| |
| |
| |
| /************************************************************************/ |
| /* */ |
| /* FUNCTION DESCRIPTION zfSendMmFrame */ |
| /* Send management frame. */ |
| /* */ |
| /* INPUTS */ |
| /* dev : device pointer */ |
| /* frameType : management frame type */ |
| /* dst : destination MAC address */ |
| /* p1 : parameter 1 */ |
| /* p2 : parameter 2 */ |
| /* p3 : parameter 3 */ |
| /* */ |
| /* OUTPUTS */ |
| /* none */ |
| /* */ |
| /* AUTHOR */ |
| /* Stephen Chen ZyDAS Technology Corporation 2005.10 */ |
| /* */ |
| /************************************************************************/ |
| /* probe req : p1=> bWithSSID, p2=>R, p3=>R */ |
| /* probe rsp : p1=>R, p2=>R, p3=>VAP ID(AP) */ |
| /* deauth : p1=>Reason Code, p2=>R, p3=>VAP ID(AP) */ |
| /* Disasoc : p1=>Reason Code, p2=>R, p3=>VAP ID(AP) */ |
| /* ATIM : p1=>R, p2=>R, p3=>R */ |
| /* (re)asoc rsp : p1=>Status Code, p2=>AID, p3=>VAP ID(AP) */ |
| /* asoc req : p1=>R, p2=>R, p3=>R */ |
| /* reasoc req : p1=>AP MAC[0], p2=>AP MAC[1], p3=>AP MAC[2] */ |
| /* auth : p1=>low=Algorithm, high=Transaction, p2=>Status, p3=>VAP ID */ |
| void zfSendMmFrame(zdev_t* dev, u8_t frameType, u16_t* dst, |
| u32_t p1, u32_t p2, u32_t p3) |
| { |
| zbuf_t* buf; |
| //u16_t addrTblSize; |
| //struct zsAddrTbl addrTbl; |
| u16_t offset = 0; |
| u16_t hlen = 32; |
| u16_t header[(24+25+1)/2]; |
| u16_t vap = 0; |
| u16_t i; |
| u8_t encrypt = 0; |
| u16_t aid; |
| |
| zmw_get_wlan_dev(dev); |
| zmw_declare_for_critical_section(); |
| |
| zm_msg2_mm(ZM_LV_2, "Send mm frame, type=", frameType); |
| /* TBD : Maximum size of management frame */ |
| if ((buf = zfwBufAllocate(dev, 1024)) == NULL) |
| { |
| zm_msg0_mm(ZM_LV_0, "Alloc mm buf Fail!"); |
| return; |
| } |
| |
| //Reserve room for wlan header |
| offset = hlen; |
| |
| switch (frameType) |
| { |
| case ZM_WLAN_FRAME_TYPE_PROBEREQ : |
| offset = zfSendProbeReq(dev, buf, offset, (u8_t) p1); |
| break; |
| |
| case ZM_WLAN_FRAME_TYPE_PROBERSP : |
| zm_msg0_mm(ZM_LV_3, "probe rsp"); |
| /* 24-31 Time Stamp : hardware WON'T fill this field */ |
| zmw_tx_buf_writeh(dev, buf, offset, 0); |
| zmw_tx_buf_writeh(dev, buf, offset+2, 0); |
| zmw_tx_buf_writeh(dev, buf, offset+4, 0); |
| zmw_tx_buf_writeh(dev, buf, offset+6, 0); |
| offset+=8; |
| |
| /* Beacon Interval */ |
| zmw_tx_buf_writeh(dev, buf, offset, wd->beaconInterval); |
| offset+=2; |
| |
| if (wd->wlanMode == ZM_MODE_AP) |
| { |
| vap = (u16_t) p3; |
| /* Capability */ |
| zmw_tx_buf_writeh(dev, buf, offset, wd->ap.capab[vap]); |
| offset+=2; |
| /* SSID */ |
| offset = zfApAddIeSsid(dev, buf, offset, vap); |
| } |
| else |
| { |
| /* Capability */ |
| zmw_tx_buf_writeb(dev, buf, offset++, wd->sta.capability[0]); |
| zmw_tx_buf_writeb(dev, buf, offset++, wd->sta.capability[1]); |
| /* SSID */ |
| offset = zfStaAddIeSsid(dev, buf, offset); |
| } |
| |
| /* Support Rate */ |
| if ( wd->frequency < 3000 ) |
| { |
| offset = zfMmAddIeSupportRate(dev, buf, offset, |
| ZM_WLAN_EID_SUPPORT_RATE, ZM_RATE_SET_CCK); |
| } |
| else |
| { |
| offset = zfMmAddIeSupportRate(dev, buf, offset, |
| ZM_WLAN_EID_SUPPORT_RATE, ZM_RATE_SET_OFDM); |
| } |
| |
| /* DS parameter set */ |
| offset = zfMmAddIeDs(dev, buf, offset); |
| |
| /* TODO ¡G IBSS */ |
| if ( wd->wlanMode == ZM_MODE_IBSS ) |
| { |
| offset = zfStaAddIeIbss(dev, buf, offset); |
| |
| if (wd->frequency < 3000) |
| { |
| if( wd->wfc.bIbssGMode |
| && (wd->supportMode & (ZM_WIRELESS_MODE_24_54|ZM_WIRELESS_MODE_24_N)) ) // Only accompany with enabling a mode . |
| { |
| /* ERP Information */ |
| wd->erpElement = 0; |
| offset = zfMmAddIeErp(dev, buf, offset); |
| |
| /* Enable G Mode */ |
| /* Extended Supported Rates */ |
| offset = zfMmAddIeSupportRate(dev, buf, offset, |
| ZM_WLAN_EID_EXTENDED_RATE, ZM_RATE_SET_OFDM); |
| } |
| } |
| } |
| |
| |
| if ((wd->wlanMode == ZM_MODE_AP) |
| && (wd->ap.wlanType[vap] != ZM_WLAN_TYPE_PURE_B)) |
| { |
| /* ERP Information */ |
| offset = zfMmAddIeErp(dev, buf, offset); |
| |
| /* Extended Supported Rates */ |
| if ( wd->frequency < 3000 ) |
| { |
| offset = zfMmAddIeSupportRate(dev, buf, offset, |
| ZM_WLAN_EID_EXTENDED_RATE, ZM_RATE_SET_OFDM); |
| } |
| } |
| |
| /* ERP Information */ |
| //offset = zfMmAddIeErp(dev, buf, offset); |
| |
| /* Extended Supported Rates */ |
| //offset = zfMmAddIeSupportRate(dev, buf, offset, |
| // ZM_WLAN_EID_EXTENDED_RATE, ZM_RATE_SET_OFDM); |
| |
| /* TODO : RSN */ |
| if (wd->wlanMode == ZM_MODE_AP && wd->ap.wpaSupport[vap] == 1) |
| { |
| offset = zfMmAddIeWpa(dev, buf, offset, vap); |
| } |
| else if ( wd->wlanMode == ZM_MODE_IBSS && wd->sta.authMode == ZM_AUTH_MODE_WPA2PSK) |
| { |
| offset = zfwStaAddIeWpaRsn(dev, buf, offset, ZM_WLAN_FRAME_TYPE_AUTH); |
| } |
| |
| /* WME Parameters */ |
| if (wd->wlanMode == ZM_MODE_AP) |
| { |
| if (wd->ap.qosMode == 1) |
| { |
| offset = zfApAddIeWmePara(dev, buf, offset, vap); |
| } |
| } |
| |
| if ( wd->wlanMode != ZM_MODE_IBSS ) |
| { |
| // jhlee HT 0 |
| //CWYang(+) |
| /* TODO : Need to check if it is ok */ |
| /* HT Capabilities Info */ |
| offset = zfMmAddHTCapability(dev, buf, offset); |
| //CWYang(+) |
| /* Extended HT Capabilities Info */ |
| offset = zfMmAddExtendedHTCapability(dev, buf, offset); |
| } |
| |
| if ( wd->sta.ibssAdditionalIESize ) |
| offset = zfStaAddIbssAdditionalIE(dev, buf, offset); |
| break; |
| |
| case ZM_WLAN_FRAME_TYPE_AUTH : |
| if (p1 == 0x30001) |
| { |
| hlen += 4; |
| offset += 4; // for reserving wep header |
| encrypt = 1; |
| } |
| |
| /* Algotrithm Number */ |
| zmw_tx_buf_writeh(dev, buf, offset, (u16_t)(p1&0xffff)); |
| offset+=2; |
| |
| /* Transaction Number */ |
| zmw_tx_buf_writeh(dev, buf, offset, (u16_t)(p1>>16)); |
| offset+=2; |
| |
| /* Status Code */ |
| zmw_tx_buf_writeh(dev, buf, offset, (u16_t)p2); |
| offset+=2; |
| |
| if (wd->wlanMode == ZM_MODE_AP) |
| { |
| vap = (u16_t) p3; |
| } |
| |
| /* Challenge Text => share-2 or share-3 */ |
| if (p1 == 0x20001) |
| { |
| if (p2 == 0) //Status == success |
| { |
| zmw_buf_writeh(dev, buf, offset, 0x8010); |
| offset+=2; |
| /* share-2 : AP generate challenge text */ |
| for (i=0; i<128; i++) |
| { |
| wd->ap.challengeText[i] = (u8_t)zfGetRandomNumber(dev, 0); |
| } |
| zfCopyToIntTxBuffer(dev, buf, wd->ap.challengeText, offset, 128); |
| offset += 128; |
| } |
| } |
| else if (p1 == 0x30001) |
| { |
| /* share-3 : STA return challenge Text */ |
| zfCopyToIntTxBuffer(dev, buf, wd->sta.challengeText, offset, wd->sta.challengeText[1]+2); |
| offset += (wd->sta.challengeText[1]+2); |
| } |
| |
| break; |
| |
| case ZM_WLAN_FRAME_TYPE_ASOCREQ : |
| case ZM_WLAN_FRAME_TYPE_REASOCREQ : |
| /* Capability */ |
| zmw_tx_buf_writeb(dev, buf, offset++, wd->sta.capability[0]); |
| zmw_tx_buf_writeb(dev, buf, offset++, wd->sta.capability[1]); |
| |
| /* Listen Interval */ |
| zmw_tx_buf_writeh(dev, buf, offset, 0x0005); |
| offset+=2; |
| |
| /* Reassocaited Request : Current AP address */ |
| if (frameType == ZM_WLAN_FRAME_TYPE_REASOCREQ) |
| { |
| zmw_tx_buf_writeh(dev, buf, offset, wd->sta.bssid[0]); |
| offset+=2; |
| zmw_tx_buf_writeh(dev, buf, offset, wd->sta.bssid[1]); |
| offset+=2; |
| zmw_tx_buf_writeh(dev, buf, offset, wd->sta.bssid[2]); |
| offset+=2; |
| } |
| |
| /* SSID */ |
| offset = zfStaAddIeSsid(dev, buf, offset); |
| |
| |
| if ( wd->sta.currentFrequency < 3000 ) |
| { |
| /* Support Rate */ |
| offset = zfMmAddIeSupportRate(dev, buf, offset, ZM_WLAN_EID_SUPPORT_RATE, ZM_RATE_SET_CCK); |
| } |
| else |
| { |
| /* Support Rate */ |
| offset = zfMmAddIeSupportRate(dev, buf, offset, ZM_WLAN_EID_SUPPORT_RATE, ZM_RATE_SET_OFDM); |
| } |
| |
| if ((wd->sta.capability[1] & ZM_BIT_0) == 1) |
| { //spectrum management flag enable |
| offset = zfStaAddIePowerCap(dev, buf, offset); |
| offset = zfStaAddIeSupportCh(dev, buf, offset); |
| } |
| |
| if (wd->sta.currentFrequency < 3000) |
| { |
| /* Extended Supported Rates */ |
| if (wd->supportMode & (ZM_WIRELESS_MODE_24_54|ZM_WIRELESS_MODE_24_N)) |
| { |
| offset = zfMmAddIeSupportRate(dev, buf, offset, ZM_WLAN_EID_EXTENDED_RATE, ZM_RATE_SET_OFDM); |
| } |
| } |
| |
| |
| //offset = zfStaAddIeWpaRsn(dev, buf, offset, frameType); |
| //Move to wrapper function, for OS difference--CWYang(m) |
| //for windows wrapper, zfwStaAddIeWpaRsn() should be below: |
| //u16_t zfwStaAddIeWpaRsn(zdev_t* dev, zbuf_t* buf, u16_t offset, u8_t frameType) |
| //{ |
| // return zfStaAddIeWpaRsn(dev, buf, offset, frameType); |
| //} |
| offset = zfwStaAddIeWpaRsn(dev, buf, offset, frameType); |
| |
| #ifdef ZM_ENABLE_CENC |
| /* CENC */ |
| //if (wd->sta.encryMode == ZM_CENC) |
| offset = zfStaAddIeCenc(dev, buf, offset); |
| #endif //ZM_ENABLE_CENC |
| if (((wd->sta.wmeEnabled & ZM_STA_WME_ENABLE_BIT) != 0) //WME enabled |
| && ((wd->sta.apWmeCapability & 0x1) != 0)) //WME AP |
| { |
| if (((wd->sta.apWmeCapability & 0x80) != 0) //UAPSD AP |
| && ((wd->sta.wmeEnabled & ZM_STA_UAPSD_ENABLE_BIT) != 0)) //UAPSD enabled |
| { |
| offset = zfStaAddIeWmeInfo(dev, buf, offset, wd->sta.wmeQosInfo); |
| } |
| else |
| { |
| offset = zfStaAddIeWmeInfo(dev, buf, offset, 0); |
| } |
| } |
| // jhlee HT 0 |
| //CWYang(+) |
| if (wd->sta.EnableHT != 0) |
| { |
| #ifndef ZM_DISABLE_AMSDU8K_SUPPORT |
| //Support 8K A-MSDU |
| if (wd->sta.wepStatus == ZM_ENCRYPTION_WEP_DISABLED) |
| { |
| wd->sta.HTCap.Data.HtCapInfo |= HTCAP_MaxAMSDULength; |
| } |
| else |
| { |
| wd->sta.HTCap.Data.HtCapInfo &= (~HTCAP_MaxAMSDULength); |
| } |
| #else |
| //Support 4K A-MSDU |
| wd->sta.HTCap.Data.HtCapInfo &= (~HTCAP_MaxAMSDULength); |
| #endif |
| |
| /* HT Capabilities Info */ |
| if (wd->BandWidth40 == 1) { |
| wd->sta.HTCap.Data.HtCapInfo |= HTCAP_SupChannelWidthSet; |
| } |
| else { |
| wd->sta.HTCap.Data.HtCapInfo &= ~HTCAP_SupChannelWidthSet; |
| //wd->sta.HTCap.Data.HtCapInfo |= HTCAP_SupChannelWidthSet; |
| } |
| |
| wd->sta.HTCap.Data.AMPDUParam &= ~HTCAP_MaxRxAMPDU3; |
| wd->sta.HTCap.Data.AMPDUParam |= HTCAP_MaxRxAMPDU3; |
| wd->sta.HTCap.Data.MCSSet[1] = 0xFF; // MCS 8 ~ 15 |
| offset = zfMmAddHTCapability(dev, buf, offset); |
| offset = zfMmAddPreNHTCapability(dev, buf, offset); |
| //CWYang(+) |
| /* Extended HT Capabilities Info */ |
| //offset = zfMmAddExtendedHTCapability(dev, buf, offset); |
| } |
| |
| |
| //Store asoc request frame body, for VISTA only |
| wd->sta.asocReqFrameBodySize = ((offset - hlen) > |
| ZM_CACHED_FRAMEBODY_SIZE)? |
| ZM_CACHED_FRAMEBODY_SIZE:(offset - hlen); |
| for (i=0; i<wd->sta.asocReqFrameBodySize; i++) |
| { |
| wd->sta.asocReqFrameBody[i] = zmw_tx_buf_readb(dev, buf, i + hlen); |
| } |
| break; |
| |
| case ZM_WLAN_FRAME_TYPE_ASOCRSP : |
| case ZM_WLAN_FRAME_TYPE_REASOCRSP : |
| vap = (u16_t) p3; |
| |
| /* Capability */ |
| zmw_tx_buf_writeh(dev, buf, offset, wd->ap.capab[vap]); |
| offset+=2; |
| |
| /* Status Code */ |
| zmw_tx_buf_writeh(dev, buf, offset, (u16_t)p1); |
| offset+=2; |
| |
| /* AID */ |
| zmw_tx_buf_writeh(dev, buf, offset, (u16_t)(p2|0xc000)); |
| offset+=2; |
| |
| |
| if ( wd->frequency < 3000 ) |
| { |
| /* Support Rate */ |
| offset = zfMmAddIeSupportRate(dev, buf, offset, ZM_WLAN_EID_SUPPORT_RATE, ZM_RATE_SET_CCK); |
| |
| /* Extended Supported Rates */ |
| offset = zfMmAddIeSupportRate(dev, buf, offset, ZM_WLAN_EID_EXTENDED_RATE, ZM_RATE_SET_OFDM); |
| } |
| else |
| { |
| /* Support Rate */ |
| offset = zfMmAddIeSupportRate(dev, buf, offset, ZM_WLAN_EID_SUPPORT_RATE, ZM_RATE_SET_OFDM); |
| } |
| |
| |
| |
| /* WME Parameters */ |
| if (wd->wlanMode == ZM_MODE_AP) |
| { |
| /* TODO : if WME STA then send WME parameter element */ |
| if (wd->ap.qosMode == 1) |
| { |
| offset = zfApAddIeWmePara(dev, buf, offset, vap); |
| } |
| } |
| // jhlee HT 0 |
| //CWYang(+) |
| /* HT Capabilities Info */ |
| offset = zfMmAddHTCapability(dev, buf, offset); |
| //CWYang(+) |
| /* Extended HT Capabilities Info */ |
| offset = zfMmAddExtendedHTCapability(dev, buf, offset); |
| break; |
| |
| case ZM_WLAN_FRAME_TYPE_ATIM : |
| /* NULL frame */ |
| /* TODO : add two dumb bytes temporarily */ |
| offset += 2; |
| break; |
| |
| case ZM_WLAN_FRAME_TYPE_QOS_NULL : |
| zmw_buf_writeh(dev, buf, offset, 0x0010); |
| offset += 2; |
| break; |
| |
| case ZM_WLAN_DATA_FRAME : |
| break; |
| |
| case ZM_WLAN_FRAME_TYPE_DISASOC : |
| case ZM_WLAN_FRAME_TYPE_DEAUTH : |
| if (wd->wlanMode == ZM_MODE_AP) |
| { |
| vap = (u16_t) p3; |
| |
| if ((aid = zfApFindSta(dev, dst)) != 0xffff) |
| { |
| zmw_enter_critical_section(dev); |
| /* Clear STA table */ |
| wd->ap.staTable[aid].valid = 0; |
| |
| zmw_leave_critical_section(dev); |
| |
| if (wd->zfcbDisAsocNotify != NULL) |
| { |
| wd->zfcbDisAsocNotify(dev, (u8_t*)dst, vap); |
| } |
| } |
| } |
| /* Reason Code */ |
| zmw_tx_buf_writeh(dev, buf, offset, (u16_t)p1); |
| offset+=2; |
| break; |
| } |
| |
| zfwBufSetSize(dev, buf, offset); |
| |
| zm_msg2_mm(ZM_LV_2, "management frame body size=", offset-hlen); |
| |
| //Copy wlan header |
| zfTxGenMmHeader(dev, frameType, dst, header, offset-hlen, buf, vap, encrypt); |
| for (i=0; i<(hlen>>1); i++) |
| { |
| zmw_tx_buf_writeh(dev, buf, i*2, header[i]); |
| } |
| |
| /* Get buffer DMA address */ |
| //if ((addrTblSize = zfwBufMapDma(dev, buf, &addrTbl)) == 0) |
| //if ((addrTblSize = zfwMapTxDma(dev, buf, &addrTbl)) == 0) |
| //{ |
| // goto zlError; |
| //} |
| |
| zm_msg2_mm(ZM_LV_2, "offset=", offset); |
| zm_msg2_mm(ZM_LV_2, "hlen=", hlen); |
| //zm_msg2_mm(ZM_LV_2, "addrTblSize=", addrTblSize); |
| //zm_msg2_mm(ZM_LV_2, "addrTbl.len[0]=", addrTbl.len[0]); |
| //zm_msg2_mm(ZM_LV_2, "addrTbl.physAddrl[0]=", addrTbl.physAddrl[0]); |
| //zm_msg2_mm(ZM_LV_2, "buf->data=", buf->data); |
| |
| #if 0 |
| if ((err = zfHpSend(dev, NULL, 0, NULL, 0, NULL, 0, buf, 0, |
| ZM_INTERNAL_ALLOC_BUF, 0, 0xff)) != ZM_SUCCESS) |
| { |
| goto zlError; |
| } |
| #else |
| zfPutVmmq(dev, buf); |
| zfPushVtxq(dev); |
| #endif |
| |
| return; |
| #if 0 |
| zlError: |
| |
| zfwBufFree(dev, buf, 0); |
| return; |
| #endif |
| } |
| |
| |
| /************************************************************************/ |
| /* */ |
| /* FUNCTION DESCRIPTION zfProcessManagement */ |
| /* Process received management frame. */ |
| /* */ |
| /* INPUTS */ |
| /* dev : device pointer */ |
| /* buf : received management frame buffer */ |
| /* */ |
| /* OUTPUTS */ |
| /* none */ |
| /* */ |
| /* AUTHOR */ |
| /* Stephen Chen ZyDAS Technology Corporation 2005.10 */ |
| /* */ |
| /************************************************************************/ |
| void zfProcessManagement(zdev_t* dev, zbuf_t* buf, struct zsAdditionInfo* AddInfo) //CWYang(m) |
| { |
| u8_t frameType; |
| u16_t ta[3]; |
| u16_t ra[3]; |
| u16_t vap = 0, index = 0; |
| //u16_t i; |
| |
| zmw_get_wlan_dev(dev); |
| |
| ra[0] = zmw_rx_buf_readh(dev, buf, 4); |
| ra[1] = zmw_rx_buf_readh(dev, buf, 6); |
| ra[2] = zmw_rx_buf_readh(dev, buf, 8); |
| |
| ta[0] = zmw_rx_buf_readh(dev, buf, 10); |
| ta[1] = zmw_rx_buf_readh(dev, buf, 12); |
| ta[2] = zmw_rx_buf_readh(dev, buf, 14); |
| |
| frameType = zmw_rx_buf_readb(dev, buf, 0); |
| |
| if (wd->wlanMode == ZM_MODE_AP) |
| { |
| #if 1 |
| vap = 0; |
| if ((ra[0] & 0x1) != 1) |
| { |
| /* AP : Find virtual AP */ |
| if ((index = zfApFindSta(dev, ta)) != 0xffff) |
| { |
| vap = wd->ap.staTable[index].vap; |
| } |
| } |
| zm_msg2_mm(ZM_LV_2, "vap=", vap); |
| #endif |
| |
| /* Dispatch by frame type */ |
| switch (frameType) |
| { |
| /* Beacon */ |
| case ZM_WLAN_FRAME_TYPE_BEACON : |
| zfApProcessBeacon(dev, buf); |
| break; |
| /* Authentication */ |
| case ZM_WLAN_FRAME_TYPE_AUTH : |
| zfApProcessAuth(dev, buf, ta, vap); |
| break; |
| /* Association request */ |
| case ZM_WLAN_FRAME_TYPE_ASOCREQ : |
| /* Reassociation request */ |
| case ZM_WLAN_FRAME_TYPE_REASOCREQ : |
| zfApProcessAsocReq(dev, buf, ta, vap); |
| break; |
| /* Association response */ |
| case ZM_WLAN_FRAME_TYPE_ASOCRSP : |
| //zfApProcessAsocRsp(dev, buf); |
| break; |
| /* Deauthentication */ |
| case ZM_WLAN_FRAME_TYPE_DEAUTH : |
| zfApProcessDeauth(dev, buf, ta, vap); |
| break; |
| /* Disassociation */ |
| case ZM_WLAN_FRAME_TYPE_DISASOC : |
| zfApProcessDisasoc(dev, buf, ta, vap); |
| break; |
| /* Probe request */ |
| case ZM_WLAN_FRAME_TYPE_PROBEREQ : |
| zfProcessProbeReq(dev, buf, ta); |
| break; |
| /* Probe response */ |
| case ZM_WLAN_FRAME_TYPE_PROBERSP : |
| zfApProcessProbeRsp(dev, buf, AddInfo); |
| break; |
| /* Action */ |
| case ZM_WLAN_FRAME_TYPE_ACTION : |
| zfApProcessAction(dev, buf); |
| break; |
| } |
| } |
| else //if ((wd->wlanMode == ZM_MODE_INFRASTRUCTURE) || (wd->wlanMode == ZM_MODE_IBSS)) |
| { |
| /* Dispatch by frame type */ |
| switch (frameType) |
| { |
| /* Beacon */ |
| case ZM_WLAN_FRAME_TYPE_BEACON : |
| /* if enable 802.11h and current chanel is silent but receive beacon from other AP */ |
| if (((wd->regulationTable.allowChannel[wd->regulationTable.CurChIndex].channelFlags |
| & ZM_REG_FLAG_CHANNEL_CSA) != 0) && wd->sta.DFSEnable) |
| { |
| wd->regulationTable.allowChannel[wd->regulationTable.CurChIndex].channelFlags |
| &= ~(ZM_REG_FLAG_CHANNEL_CSA & ZM_REG_FLAG_CHANNEL_PASSIVE); |
| } |
| zfStaProcessBeacon(dev, buf, AddInfo); //CWYang(m) |
| break; |
| /* Authentication */ |
| case ZM_WLAN_FRAME_TYPE_AUTH : |
| /* TODO : vap parameter is useless in STA mode, get rid of it */ |
| zfStaProcessAuth(dev, buf, ta, 0); |
| break; |
| /* Association request */ |
| case ZM_WLAN_FRAME_TYPE_ASOCREQ : |
| /* TODO : vap parameter is useless in STA mode, get rid of it */ |
| zfStaProcessAsocReq(dev, buf, ta, 0); |
| break; |
| /* Association response */ |
| case ZM_WLAN_FRAME_TYPE_ASOCRSP : |
| /* Reassociation request */ |
| case ZM_WLAN_FRAME_TYPE_REASOCRSP : |
| zfStaProcessAsocRsp(dev, buf); |
| break; |
| /* Deauthentication */ |
| case ZM_WLAN_FRAME_TYPE_DEAUTH : |
| zm_debug_msg0("Deauthentication received"); |
| zfStaProcessDeauth(dev, buf); |
| break; |
| /* Disassociation */ |
| case ZM_WLAN_FRAME_TYPE_DISASOC : |
| zm_debug_msg0("Disassociation received"); |
| zfStaProcessDisasoc(dev, buf); |
| break; |
| /* Probe request */ |
| case ZM_WLAN_FRAME_TYPE_PROBEREQ : |
| zfProcessProbeReq(dev, buf, ta); |
| break; |
| /* Probe response */ |
| case ZM_WLAN_FRAME_TYPE_PROBERSP : |
| /* if enable 802.11h and current chanel is silent but receive probe response from other AP */ |
| if (((wd->regulationTable.allowChannel[wd->regulationTable.CurChIndex].channelFlags |
| & ZM_REG_FLAG_CHANNEL_CSA) != 0) && wd->sta.DFSEnable) |
| { |
| wd->regulationTable.allowChannel[wd->regulationTable.CurChIndex].channelFlags |
| &= ~(ZM_REG_FLAG_CHANNEL_CSA & ZM_REG_FLAG_CHANNEL_PASSIVE); |
| } |
| zfStaProcessProbeRsp(dev, buf, AddInfo); |
| break; |
| |
| case ZM_WLAN_FRAME_TYPE_ATIM: |
| zfStaProcessAtim(dev, buf); |
| break; |
| /* Action */ |
| case ZM_WLAN_FRAME_TYPE_ACTION : |
| zm_msg0_mm(ZM_LV_2, "ProcessActionMgtFrame"); |
| zfStaProcessAction(dev, buf); |
| break; |
| } |
| } |
| } |
| |
| /************************************************************************/ |
| /* */ |
| /* FUNCTION DESCRIPTION zfProcessProbeReq */ |
| /* Process probe request management frame. */ |
| /* */ |
| /* INPUTS */ |
| /* dev : device pointer */ |
| /* buf : auth frame buffer */ |
| /* */ |
| /* OUTPUTS */ |
| /* none */ |
| /* */ |
| /* AUTHOR */ |
| /* Stephen Chen ZyDAS Technology Corporation 2005.10 */ |
| /* */ |
| /************************************************************************/ |
| void zfProcessProbeReq(zdev_t* dev, zbuf_t* buf, u16_t* src) |
| { |
| u16_t offset; |
| u8_t len; |
| u16_t i, j; |
| u8_t ch; |
| u16_t sendFlag; |
| |
| zmw_get_wlan_dev(dev); |
| |
| /* check mode : AP/IBSS */ |
| if ((wd->wlanMode != ZM_MODE_AP) && (wd->wlanMode != ZM_MODE_IBSS)) |
| { |
| zm_msg0_mm(ZM_LV_3, "Ignore probe req"); |
| return; |
| } |
| |
| if ((wd->wlanMode != ZM_MODE_AP) && (wd->sta.adapterState == ZM_STA_STATE_DISCONNECT)) |
| { |
| zm_msg0_mm(ZM_LV_3, "Packets dropped due to disconnect state"); |
| return; |
| } |
| |
| if ( wd->wlanMode == ZM_MODE_IBSS ) |
| { |
| zfSendMmFrame(dev, ZM_WLAN_FRAME_TYPE_PROBERSP, src, 0, 0, 0); |
| |
| return; |
| } |
| |
| /* check SSID */ |
| if ((offset = zfFindElement(dev, buf, ZM_WLAN_EID_SSID)) == 0xffff) |
| { |
| zm_msg0_mm(ZM_LV_3, "probe req SSID not found"); |
| return; |
| } |
| |
| len = zmw_rx_buf_readb(dev, buf, offset+1); |
| |
| for (i=0; i<ZM_MAX_AP_SUPPORT; i++) |
| { |
| if ((wd->ap.apBitmap & (1<<i)) != 0) |
| { |
| zm_msg1_mm(ZM_LV_3, "len=", len); |
| sendFlag = 0; |
| /* boardcast SSID */ |
| if (len == 0) |
| { |
| if (wd->ap.hideSsid[i] == 0) |
| { |
| sendFlag = 1; |
| } |
| } |
| /* Not broadcast SSID */ |
| else if (wd->ap.ssidLen[i] == len) |
| { |
| for (j=0; j<len; j++) |
| { |
| if ((ch = zmw_rx_buf_readb(dev, buf, offset+2+j)) |
| != wd->ap.ssid[i][j]) |
| { |
| break; |
| } |
| } |
| if (j == len) |
| { |
| sendFlag = 1; |
| } |
| } |
| if (sendFlag == 1) |
| { |
| /* Send probe response */ |
| zfSendMmFrame(dev, ZM_WLAN_FRAME_TYPE_PROBERSP, src, i, 0, i); |
| } |
| } |
| } |
| } |
| |
| /************************************************************************/ |
| /* */ |
| /* FUNCTION DESCRIPTION zfProcessProbeRsp */ |
| /* Process probe response management frame. */ |
| /* */ |
| /* INPUTS */ |
| /* dev : device pointer */ |
| /* buf : auth frame buffer */ |
| /* AddInfo : Rx Header and Rx Mac Status */ |
| /* */ |
| /* OUTPUTS */ |
| /* none */ |
| /* */ |
| /* AUTHOR */ |
| /* Aress Yang ZyDAS Technology Corporation 2006.11 */ |
| /* */ |
| /************************************************************************/ |
| void zfProcessProbeRsp(zdev_t* dev, zbuf_t* buf, struct zsAdditionInfo* AddInfo) |
| { |
| /* Gather scan result */ |
| /* Parse TIM and send PS-POLL in power saving mode */ |
| struct zsWlanProbeRspFrameHeader* pProbeRspHeader; |
| struct zsBssInfo* pBssInfo; |
| u8_t pBuf[sizeof(struct zsWlanProbeRspFrameHeader)]; |
| int res; |
| |
| zmw_get_wlan_dev(dev); |
| |
| zmw_declare_for_critical_section(); |
| |
| zfCopyFromRxBuffer(dev, buf, pBuf, 0, |
| sizeof(struct zsWlanProbeRspFrameHeader)); |
| pProbeRspHeader = (struct zsWlanProbeRspFrameHeader*) pBuf; |
| |
| zmw_enter_critical_section(dev); |
| |
| //zm_debug_msg1("bss count = ", wd->sta.bssList.bssCount); |
| |
| pBssInfo = zfStaFindBssInfo(dev, buf, pProbeRspHeader); |
| |
| //if ( i == wd->sta.bssList.bssCount ) |
| if ( pBssInfo == NULL ) |
| { |
| /* Allocate a new entry if BSS not in the scan list */ |
| pBssInfo = zfBssInfoAllocate(dev); |
| if (pBssInfo != NULL) |
| { |
| res = zfStaInitBssInfo(dev, buf, pProbeRspHeader, pBssInfo, AddInfo, 0); |
| //zfDumpSSID(pBssInfo->ssid[1], &(pBssInfo->ssid[2])); |
| if ( res != 0 ) |
| { |
| zfBssInfoFree(dev, pBssInfo); |
| } |
| else |
| { |
| zfBssInfoInsertToList(dev, pBssInfo); |
| } |
| } |
| } |
| else |
| { |
| res = zfStaInitBssInfo(dev, buf, pProbeRspHeader, pBssInfo, AddInfo, 1); |
| if (res == 2) |
| { |
| zfBssInfoRemoveFromList(dev, pBssInfo); |
| zfBssInfoFree(dev, pBssInfo); |
| } |
| else if ( wd->wlanMode == ZM_MODE_IBSS ) |
| { |
| int idx; |
| |
| // It would reset the alive counter if the peer station is found! |
| zfStaFindFreeOpposite(dev, (u16_t *)pBssInfo->macaddr, &idx); |
| } |
| } |
| |
| zmw_leave_critical_section(dev); |
| |
| return; |
| } |
| |
| /************************************************************************/ |
| /* */ |
| /* FUNCTION DESCRIPTION zfSendProbeReq */ |
| /* Send probe request management frame. */ |
| /* */ |
| /* INPUTS */ |
| /* dev : device pointer */ |
| /* */ |
| /* */ |
| /* OUTPUTS */ |
| /* none */ |
| /* */ |
| /* AUTHOR */ |
| /* Ji-Huang Lee ZyDAS Technology Corporation 2005.11 */ |
| /* */ |
| /************************************************************************/ |
| |
| u16_t zfSendProbeReq(zdev_t* dev, zbuf_t* buf, u16_t offset, u8_t bWithSSID) |
| { |
| zmw_get_wlan_dev(dev); |
| zmw_declare_for_critical_section(); |
| |
| |
| /* SSID */ |
| if (bWithSSID == 0) /* broadcast ssid */ |
| { |
| //zmw_leave_critical_section(dev); |
| zmw_tx_buf_writeb(dev, buf, offset++, ZM_WLAN_EID_SSID); |
| zmw_tx_buf_writeb(dev, buf, offset++, 0); /* length = 0 */ |
| } |
| else |
| { |
| zmw_enter_critical_section(dev); |
| if (wd->ws.probingSsidList[bWithSSID-1].ssidLen == 0) |
| { |
| zmw_tx_buf_writeb(dev, buf, offset++, ZM_WLAN_EID_SSID); |
| zmw_tx_buf_writeb(dev, buf, offset++, 0); /* length = 0 */ |
| } |
| else |
| { |
| zmw_tx_buf_writeb(dev, buf, offset++, ZM_WLAN_EID_SSID); |
| zmw_tx_buf_writeb(dev, buf, offset++, |
| wd->ws.probingSsidList[bWithSSID-1].ssidLen); |
| zfCopyToIntTxBuffer(dev, buf, |
| wd->ws.probingSsidList[bWithSSID-1].ssid, |
| offset, |
| wd->ws.probingSsidList[bWithSSID-1].ssidLen); /* ssid */ |
| offset += wd->ws.probingSsidList[bWithSSID-1].ssidLen; |
| } |
| zmw_leave_critical_section(dev); |
| } |
| |
| /* Supported rates */ |
| if ( wd->sta.currentFrequency < 3000 ) |
| { /* 802.11b+g */ |
| offset = zfMmAddIeSupportRate(dev, buf, offset, |
| ZM_WLAN_EID_SUPPORT_RATE, ZM_RATE_SET_CCK); |
| |
| if (wd->supportMode & (ZM_WIRELESS_MODE_24_54|ZM_WIRELESS_MODE_24_N)) { |
| if (wd->wlanMode == ZM_MODE_IBSS) { |
| if (wd->wfc.bIbssGMode) { |
| offset = zfMmAddIeSupportRate(dev, buf, offset, |
| ZM_WLAN_EID_EXTENDED_RATE, ZM_RATE_SET_OFDM); |
| } |
| } else { |
| offset = zfMmAddIeSupportRate(dev, buf, offset, |
| ZM_WLAN_EID_EXTENDED_RATE, ZM_RATE_SET_OFDM); |
| } |
| } |
| } |
| else |
| { /* 802.11a */ |
| offset = zfMmAddIeSupportRate(dev, buf, offset, |
| ZM_WLAN_EID_SUPPORT_RATE, ZM_RATE_SET_OFDM); |
| } |
| |
| return offset; |
| } |
| |
| |
| /************************************************************************/ |
| /* */ |
| /* FUNCTION DESCRIPTION zfUpdateDefaultQosParameter */ |
| /* Update TxQs CWMIN, CWMAX, AIFS and TXO to WME default value. */ |
| /* */ |
| /* INPUTS */ |
| /* dev : device pointer */ |
| /* mode : 0=>STA, 1=>AP */ |
| /* */ |
| /* OUTPUTS */ |
| /* none */ |
| /* */ |
| /* AUTHOR */ |
| /* Stephen ZyDAS Technology Corporation 2006.6 */ |
| /* */ |
| /************************************************************************/ |
| void zfUpdateDefaultQosParameter(zdev_t* dev, u8_t mode) |
| { |
| u16_t cwmin[5]; |
| u16_t cwmax[5]; |
| u16_t aifs[5]; |
| u16_t txop[5]; |
| |
| /* WMM parameter for STA */ |
| /* Best Effor */ |
| cwmin[0] = 15; |
| cwmax[0] = 1023; |
| aifs[0] = 3 * 9 + 10; |
| txop[0] = 0; |
| /* Back Ground */ |
| cwmin[1] = 15; |
| cwmax[1] = 1023; |
| aifs[1] = 7 * 9 + 10; |
| txop[1] = 0; |
| /* VIDEO */ |
| cwmin[2] = 7; |
| cwmax[2] = 15; |
| aifs[2] = 2 * 9 + 10; |
| txop[2] = 94; |
| /* VOICE */ |
| cwmin[3] = 3; |
| cwmax[3] = 7; |
| aifs[3] = 2 * 9 + 10; |
| txop[3] = 47; |
| /* Special TxQ */ |
| cwmin[4] = 3; |
| cwmax[4] = 7; |
| aifs[4] = 2 * 9 + 10; |
| txop[4] = 0; |
| |
| /* WMM parameter for AP */ |
| if (mode == 1) |
| { |
| cwmax[0] = 63; |
| aifs[3] = 1 * 9 + 10; |
| aifs[4] = 1 * 9 + 10; |
| } |
| zfHpUpdateQosParameter(dev, cwmin, cwmax, aifs, txop); |
| } |
| |
| u16_t zfFindATHExtCap(zdev_t* dev, zbuf_t* buf, u8_t type, u8_t subtype) |
| { |
| u8_t subType; |
| u16_t offset; |
| u16_t bufLen; |
| u16_t elen; |
| u8_t id; |
| u8_t tmp; |
| |
| /* Get offset of first element */ |
| subType = (zmw_rx_buf_readb(dev, buf, 0) >> 4); |
| |
| if ((offset = zgElementOffsetTable[subType]) == 0xff) |
| { |
| zm_assert(0); |
| } |
| |
| /* Plus wlan header */ |
| offset += 24; |
| |
| bufLen = zfwBufGetSize(dev, buf); |
| |
| /* Search loop */ |
| while ((offset+2)<bufLen) // including element ID and length (2bytes) |
| { |
| /* Search target element */ |
| if ((id = zmw_rx_buf_readb(dev, buf, offset)) == ZM_WLAN_EID_WIFI_IE) |
| { |
| /* Bingo */ |
| if ((elen = zmw_rx_buf_readb(dev, buf, offset+1))>(bufLen - offset)) |
| { |
| /* Element length error */ |
| return 0xffff; |
| } |
| |
| if ( elen == 0 ) |
| { |
| return 0xffff; |
| } |
| |
| if (((tmp = zmw_rx_buf_readb(dev, buf, offset+2)) == 0x00) |
| && ((tmp = zmw_rx_buf_readb(dev, buf, offset+3)) == 0x03) |
| && ((tmp = zmw_rx_buf_readb(dev, buf, offset+4)) == 0x7f) |
| && ((tmp = zmw_rx_buf_readb(dev, buf, offset+5)) == type)) |
| |
| { |
| if ( subtype != 0xff ) |
| { |
| if ( (tmp = zmw_rx_buf_readb(dev, buf, offset+6)) == subtype ) |
| { |
| return offset; |
| } |
| } |
| else |
| { |
| return offset; |
| } |
| } |
| } |
| |
| /* Advance to next element */ |
| if ((elen = zmw_rx_buf_readb(dev, buf, offset+1)) == 0) |
| { |
| return 0xffff; |
| } |
| offset += (elen+2); |
| } |
| return 0xffff; |
| } |
| |
| u16_t zfFindBrdcmMrvlRlnkExtCap(zdev_t* dev, zbuf_t* buf) |
| { |
| u8_t subType; |
| u16_t offset; |
| u16_t bufLen; |
| u16_t elen; |
| u8_t id; |
| u8_t tmp; |
| |
| /* Get offset of first element */ |
| subType = (zmw_rx_buf_readb(dev, buf, 0) >> 4); |
| |
| if ((offset = zgElementOffsetTable[subType]) == 0xff) |
| { |
| zm_assert(0); |
| } |
| |
| /* Plus wlan header */ |
| offset += 24; |
| |
| bufLen = zfwBufGetSize(dev, buf); |
| |
| /* Search loop */ |
| while ((offset+2)<bufLen) // including element ID and length (2bytes) |
| { |
| /* Search target element */ |
| if ((id = zmw_rx_buf_readb(dev, buf, offset)) == ZM_WLAN_EID_WIFI_IE) |
| { |
| /* Bingo */ |
| if ((elen = zmw_rx_buf_readb(dev, buf, offset+1))>(bufLen - offset)) |
| { |
| /* Element length error */ |
| return 0xffff; |
| } |
| |
| if ( elen == 0 ) |
| { |
| return 0xffff; |
| } |
| |
| if (((tmp = zmw_rx_buf_readb(dev, buf, offset+2)) == 0x00) |
| && ((tmp = zmw_rx_buf_readb(dev, buf, offset+3)) == 0x10) |
| && ((tmp = zmw_rx_buf_readb(dev, buf, offset+4)) == 0x18)) |
| |
| { |
| return offset; |
| } |
| else if (((tmp = zmw_rx_buf_readb(dev, buf, offset+2)) == 0x00) |
| && ((tmp = zmw_rx_buf_readb(dev, buf, offset+3)) == 0x50) |
| && ((tmp = zmw_rx_buf_readb(dev, buf, offset+4)) == 0x43)) |
| |
| { |
| return offset; |
| } |
| } |
| else if ((id = zmw_rx_buf_readb(dev, buf, offset)) == 0x7F) |
| { |
| /* Bingo */ |
| if ((elen = zmw_rx_buf_readb(dev, buf, offset+1))>(bufLen - offset)) |
| { |
| /* Element length error */ |
| return 0xffff; |
| } |
| |
| if ( elen == 0 ) |
| { |
| return 0xffff; |
| } |
| |
| if ((tmp = zmw_rx_buf_readb(dev, buf, offset+2)) == 0x01) |
| |
| { |
| return offset; |
| } |
| } |
| |
| /* Advance to next element */ |
| if ((elen = zmw_rx_buf_readb(dev, buf, offset+1)) == 0) |
| { |
| return 0xffff; |
| } |
| offset += (elen+2); |
| } |
| return 0xffff; |
| } |
| |
| u16_t zfFindMarvelExtCap(zdev_t* dev, zbuf_t* buf) |
| { |
| u8_t subType; |
| u16_t offset; |
| u16_t bufLen; |
| u16_t elen; |
| u8_t id; |
| u8_t tmp; |
| |
| /* Get offset of first element */ |
| subType = (zmw_rx_buf_readb(dev, buf, 0) >> 4); |
| |
| if ((offset = zgElementOffsetTable[subType]) == 0xff) |
| { |
| zm_assert(0); |
| } |
| |
| /* Plus wlan header */ |
| offset += 24; |
| |
| bufLen = zfwBufGetSize(dev, buf); |
| |
| /* Search loop */ |
| while ((offset+2)<bufLen) // including element ID and length (2bytes) |
| { |
| /* Search target element */ |
| if ((id = zmw_rx_buf_readb(dev, buf, offset)) == ZM_WLAN_EID_WIFI_IE) |
| { |
| /* Bingo */ |
| if ((elen = zmw_rx_buf_readb(dev, buf, offset+1))>(bufLen - offset)) |
| { |
| /* Element length error */ |
| return 0xffff; |
| } |
| |
| if ( elen == 0 ) |
| { |
| return 0xffff; |
| } |
| |
| if (((tmp = zmw_rx_buf_readb(dev, buf, offset+2)) == 0x00) |
| && ((tmp = zmw_rx_buf_readb(dev, buf, offset+3)) == 0x50) |
| && ((tmp = zmw_rx_buf_readb(dev, buf, offset+4)) == 0x43)) |
| |
| { |
| return offset; |
| } |
| } |
| |
| /* Advance to next element */ |
| if ((elen = zmw_rx_buf_readb(dev, buf, offset+1)) == 0) |
| { |
| return 0xffff; |
| } |
| offset += (elen+2); |
| } |
| return 0xffff; |
| } |
| |
| u16_t zfFindBroadcomExtCap(zdev_t* dev, zbuf_t* buf) |
| { |
| u8_t subType; |
| u16_t offset; |
| u16_t bufLen; |
| u16_t elen; |
| u8_t id; |
| u8_t tmp; |
| |
| /* Get offset of first element */ |
| subType = (zmw_rx_buf_readb(dev, buf, 0) >> 4); |
| |
| if ((offset = zgElementOffsetTable[subType]) == 0xff) |
| { |
| zm_assert(0); |
| } |
| |
| /* Plus wlan header */ |
| offset += 24; |
| |
| bufLen = zfwBufGetSize(dev, buf); |
| |
| /* Search loop */ |
| while((offset+2) < bufLen) // including element ID and length (2bytes) |
| { |
| /* Search target element */ |
| if ((id = zmw_rx_buf_readb(dev, buf, offset)) == ZM_WLAN_EID_WIFI_IE) |
| { |
| /* Bingo */ |
| if ((elen = zmw_rx_buf_readb(dev, buf, offset+1)) > (bufLen - offset)) |
| { |
| /* Element length error */ |
| return 0xffff; |
| } |
| |
| if (elen == 0) |
| { |
| return 0xffff; |
| } |
| |
| if ( ((tmp = zmw_rx_buf_readb(dev, buf, offset+2)) == 0x00) |
| && ((tmp = zmw_rx_buf_readb(dev, buf, offset+3)) == 0x10) |
| && ((tmp = zmw_rx_buf_readb(dev, buf, offset+4)) == 0x18) ) |
| { |
| return offset; |
| } |
| } |
| |
| /* Advance to next element */ |
| if ((elen = zmw_rx_buf_readb(dev, buf, offset+1)) == 0) |
| { |
| return 0xffff; |
| } |
| |
| offset += (elen+2); |
| } |
| |
| return 0xffff; |
| } |
| |
| u16_t zfFindRlnkExtCap(zdev_t* dev, zbuf_t* buf) |
| { |
| u8_t subType; |
| u16_t offset; |
| u16_t bufLen; |
| u16_t elen; |
| u8_t id; |
| u8_t tmp; |
| |
| /* Get offset of first element */ |
| subType = (zmw_rx_buf_readb(dev, buf, 0) >> 4); |
| |
| if ((offset = zgElementOffsetTable[subType]) == 0xff) |
| { |
| zm_assert(0); |
| } |
| |
| /* Plus wlan header */ |
| offset += 24; |
| |
| bufLen = zfwBufGetSize(dev, buf); |
| |
| /* Search loop */ |
| while((offset+2) < bufLen) // including element ID and length (2bytes) |
| { |
| /* Search target element */ |
| if ((id = zmw_rx_buf_readb(dev, buf, offset)) == 0x7F) |
| { |
| /* Bingo */ |
| if ((elen = zmw_rx_buf_readb(dev, buf, offset+1)) > (bufLen - offset)) |
| { |
| /* Element length error */ |
| return 0xffff; |
| } |
| |
| if ( elen == 0 ) |
| { |
| return 0xffff; |
| } |
| |
| if ((tmp = zmw_rx_buf_readb(dev, buf, offset+2)) == 0x01) |
| |
| { |
| return offset; |
| } |
| } |
| |
| /* Advance to next element */ |
| if ((elen = zmw_rx_buf_readb(dev, buf, offset+1)) == 0) |
| { |
| return 0xffff; |
| } |
| |
| offset += (elen+2); |
| } |
| |
| return 0xffff; |
| } |
