/** @file mlanmisc.c * * @brief Program to prepare command buffer * * Copyright (C) 2008-2019, Marvell International Ltd. * * This software file (the "File") is distributed by Marvell International * Ltd. under the terms of the GNU General Public License Version 2, June 1991 * (the "License"). You may use, redistribute and/or modify this File in * accordance with the terms and conditions of the License, a copy of which * is available by writing to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. * * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE * ARE EXPRESSLY DISCLAIMED. The License provides additional details about * this warranty disclaimer. * */ /************************************************************************ Change log: 03/10/2009: initial version ************************************************************************/ #include "mlanconfig.h" #include "mlanhostcmd.h" #include "mlanmisc.h" /******************************************************** Local Variables ********************************************************/ /******************************************************** Global Variables ********************************************************/ /******************************************************** Local Functions ********************************************************/ /** * @brief Helper function for process_getscantable_idx * * @param pbuf A pointer to the buffer * @param buf_len buffer length * * @return NA * */ static void dump_scan_elems(const t_u8 *pbuf, uint buf_len) { uint idx; uint marker = 2 + pbuf[1]; for (idx = 0; idx < buf_len; idx++) { if (idx % 0x10 == 0) { printf("\n%04x: ", idx); } if (idx == marker) { printf("|"); marker = idx + pbuf[idx + 1] + 2; } else { printf(" "); } printf("%02x ", pbuf[idx]); } printf("\n"); } /** * @brief Helper function for process_getscantable_idx * Find next element * * @param pp_ie_out pointer of a IEEEtypes_Generic_t structure pointer * @param p_buf_left integer pointer, which contains the number of left p_buf * * @return MLAN_STATUS_SUCCESS on success, otherwise MLAN_STATUS_FAILURE */ static int scantable_elem_next(IEEEtypes_Generic_t **pp_ie_out, int *p_buf_left) { IEEEtypes_Generic_t *pie_gen; t_u8 *p_next; if (*p_buf_left < 2) { return MLAN_STATUS_FAILURE; } pie_gen = *pp_ie_out; p_next = (t_u8 *)pie_gen + (pie_gen->ieee_hdr.len + sizeof(pie_gen->ieee_hdr)); *p_buf_left -= (p_next - (t_u8 *)pie_gen); *pp_ie_out = (IEEEtypes_Generic_t *)p_next; if (*p_buf_left <= 0) { return MLAN_STATUS_FAILURE; } return MLAN_STATUS_SUCCESS; } /** * @brief Helper function for process_getscantable_idx * scantable find element * * @param ie_buf pointer of the IE buffer * @param ie_buf_len IE buffer length * @param ie_type IE type * @param ppie_out pointer to the IEEEtypes_Generic_t structure pointer * @return MLAN_STATUS_SUCCESS on success, otherwise MLAN_STATUS_FAILURE */ static int scantable_find_elem(t_u8 *ie_buf, unsigned int ie_buf_len, IEEEtypes_ElementId_e ie_type, IEEEtypes_Generic_t **ppie_out) { int found; unsigned int ie_buf_left; ie_buf_left = ie_buf_len; found = FALSE; *ppie_out = (IEEEtypes_Generic_t *)ie_buf; do { found = ((*ppie_out)->ieee_hdr.element_id == ie_type); } while (!found && (scantable_elem_next(ppie_out, (int *)&ie_buf_left) == 0)); if (!found) { *ppie_out = NULL; } return (found ? MLAN_STATUS_SUCCESS : MLAN_STATUS_FAILURE); } /** * @brief Helper function for process_getscantable_idx * It gets SSID from IE * * @param ie_buf IE buffer * @param ie_buf_len IE buffer length * @param pssid SSID * @param ssid_buf_max size of SSID * @return MLAN_STATUS_SUCCESS on success, otherwise MLAN_STATUS_FAILURE */ static int scantable_get_ssid_from_ie(t_u8 *ie_buf, unsigned int ie_buf_len, t_u8 *pssid, unsigned int ssid_buf_max) { int retval; IEEEtypes_Generic_t *pie_gen; retval = scantable_find_elem(ie_buf, ie_buf_len, SSID, &pie_gen); if (retval == MLAN_STATUS_SUCCESS) memcpy(pssid, pie_gen->data, MIN(pie_gen->ieee_hdr.len, ssid_buf_max)); return retval; } /** * @brief Display detailed information for a specific scan table entry * * @param prsp_info_req Scan table entry request structure * @return MLAN_STATUS_SUCCESS--success, otherwise--fail */ int process_getscantable_idx(wlan_ioctl_get_scan_table_info *prsp_info_req) { int ioctl_val, subioctl_val; struct iwreq iwr; t_u8 *pcurrent; int ret = 0; char ssid[33]; t_u16 tmp_cap; t_u8 tsf[8]; t_u16 beacon_interval; t_u8 *scan_rsp_buf = NULL; t_u16 cap_info; wlan_ioctl_get_scan_table_info *prsp_info; wlan_get_scan_table_fixed fixed_fields; t_u32 fixed_field_length; t_u32 bss_info_length; scan_rsp_buf = (t_u8 *)malloc(SCAN_RESP_BUF_SIZE); if (scan_rsp_buf == NULL) { printf("Error: allocate memory for scan_rsp_buf failed\n"); return -ENOMEM; } memset(ssid, 0x00, sizeof(ssid)); prsp_info = (wlan_ioctl_get_scan_table_info *)scan_rsp_buf; memcpy(prsp_info, prsp_info_req, sizeof(wlan_ioctl_get_scan_table_info)); if (get_priv_ioctl("getscantable", &ioctl_val, &subioctl_val) == MLAN_STATUS_FAILURE) { ret = -EOPNOTSUPP; goto done; } /* * Set up and execute the ioctl call */ strncpy(iwr.ifr_name, dev_name, IFNAMSIZ - 1); iwr.u.data.pointer = (caddr_t) prsp_info; iwr.u.data.length = SCAN_RESP_BUF_SIZE; iwr.u.data.flags = subioctl_val; if (ioctl(sockfd, ioctl_val, &iwr) < 0) { perror("mlanconfig: getscantable ioctl"); ret = -EFAULT; goto done; } if (prsp_info->scan_number == 0) { printf("mlanconfig: getscantable ioctl - index out of range\n"); ret = -EINVAL; goto done; } pcurrent = prsp_info->scan_table_entry_buf; memcpy((t_u8 *)&fixed_field_length, (t_u8 *)pcurrent, sizeof(fixed_field_length)); pcurrent += sizeof(fixed_field_length); memcpy((t_u8 *)&bss_info_length, (t_u8 *)pcurrent, sizeof(bss_info_length)); pcurrent += sizeof(bss_info_length); memcpy((t_u8 *)&fixed_fields, (t_u8 *)pcurrent, sizeof(fixed_fields)); pcurrent += fixed_field_length; /* time stamp is 8 byte long */ memcpy(tsf, pcurrent, sizeof(tsf)); pcurrent += sizeof(tsf); bss_info_length -= sizeof(tsf); /* beacon interval is 2 byte long */ memcpy(&beacon_interval, pcurrent, sizeof(beacon_interval)); pcurrent += sizeof(beacon_interval); bss_info_length -= sizeof(beacon_interval); /* capability information is 2 byte long */ memcpy(&cap_info, pcurrent, sizeof(cap_info)); pcurrent += sizeof(cap_info); bss_info_length -= sizeof(cap_info); scantable_get_ssid_from_ie(pcurrent, bss_info_length, (t_u8 *)ssid, sizeof(ssid)); printf("\n*** [%s], %02x:%02x:%02x:%02x:%02x:%2x\n", ssid, fixed_fields.bssid[0], fixed_fields.bssid[1], fixed_fields.bssid[2], fixed_fields.bssid[3], fixed_fields.bssid[4], fixed_fields.bssid[5]); memcpy(&tmp_cap, &cap_info, sizeof(tmp_cap)); printf("Channel = %d, SS = %d, CapInfo = 0x%04x, BcnIntvl = %d\n", fixed_fields.channel, 255 - fixed_fields.rssi, tmp_cap, beacon_interval); printf("TSF Values: AP(0x%02x%02x%02x%02x%02x%02x%02x%02x), ", tsf[7], tsf[6], tsf[5], tsf[4], tsf[3], tsf[2], tsf[1], tsf[0]); printf("Network(0x%016llx)\n", fixed_fields.network_tsf); printf("\n"); printf("Element Data (%d bytes)\n", (int)bss_info_length); printf("------------"); dump_scan_elems(pcurrent, bss_info_length); printf("\n"); done: if (scan_rsp_buf) free(scan_rsp_buf); return ret; } /******************************************************** Global Functions ********************************************************/ /** * @brief Retrieve and display the contents of the driver scan table. * * The ioctl to retrieve the scan table contents will be invoked, and portions * of the scan data will be displayed on stdout. The entire beacon or * probe response is also retrieved (if available in the driver). This * data would be needed in case the application was explicitly controlling * the association (inserting IEs, TLVs, etc). * * @param argc number of arguments * @param argv A pointer to arguments array * * @return MLAN_STATUS_SUCCESS--success, otherwise--fail */ int process_getscantable(int argc, char *argv[]) { int ioctl_val, subioctl_val; struct iwreq iwr; t_u8 *scan_rsp_buf = NULL; struct wlan_ioctl_get_scan_list *scan_list_head = NULL; struct wlan_ioctl_get_scan_list *scan_list_node = NULL; struct wlan_ioctl_get_scan_list *curr = NULL, *prev = NULL, *next = NULL; t_u32 total_scan_res = 0; unsigned int scan_start; int idx, ret = 0; t_u8 *pcurrent; t_u8 *pnext; IEEEtypes_ElementId_e *pelement_id; t_u8 *pelement_len; int ssid_idx; t_u8 *pbyte; t_u16 new_ss; t_u16 curr_ss; IEEEtypes_VendorSpecific_t *pwpa_ie; const t_u8 wpa_oui[4] = { 0x00, 0x50, 0xf2, 0x01 }; IEEEtypes_WmmParameter_t *pwmm_ie; const t_u8 wmm_oui[4] = { 0x00, 0x50, 0xf2, 0x02 }; IEEEtypes_VendorSpecific_t *pwps_ie; const t_u8 wps_oui[4] = { 0x00, 0x50, 0xf2, 0x04 }; int displayed_info; wlan_ioctl_get_scan_table_info rspInfoReq; wlan_ioctl_get_scan_table_info *prsp_info; wlan_get_scan_table_fixed fixed_fields; t_u32 fixed_field_length; t_u32 bss_info_length; wlan_ioctl_get_bss_info *bss_info; scan_rsp_buf = (t_u8 *)malloc(SCAN_RESP_BUF_SIZE); if (scan_rsp_buf == NULL) { printf("Error: allocate memory for scan_rsp_buf failed\n"); return -ENOMEM; } prsp_info = (wlan_ioctl_get_scan_table_info *)scan_rsp_buf; if (get_priv_ioctl("getscantable", &ioctl_val, &subioctl_val) == MLAN_STATUS_FAILURE) { ret = -EOPNOTSUPP; goto done; } if (argc > 3 && (strcmp(argv[3], "tsf") != 0) && (strcmp(argv[3], "help") != 0)) { idx = strtol(argv[3], NULL, 10); if (idx >= 0) { if (scan_rsp_buf) { free(scan_rsp_buf); } rspInfoReq.scan_number = idx; return process_getscantable_idx(&rspInfoReq); } } displayed_info = FALSE; scan_start = 1; do { prsp_info->scan_number = scan_start; /* * Set up and execute the ioctl call */ strncpy(iwr.ifr_name, dev_name, IFNAMSIZ - 1); iwr.u.data.pointer = (caddr_t) prsp_info; iwr.u.data.length = SCAN_RESP_BUF_SIZE; iwr.u.data.flags = subioctl_val; if (ioctl(sockfd, ioctl_val, &iwr) < 0) { perror("mlanconfig: getscantable ioctl"); ret = -EFAULT; goto done; } total_scan_res += prsp_info->scan_number; pcurrent = 0; pnext = prsp_info->scan_table_entry_buf; for (idx = 0; (unsigned int)idx < prsp_info->scan_number; idx++) { /* Alloc memory for new node for next BSS */ scan_list_node = (struct wlan_ioctl_get_scan_list *) malloc(sizeof(struct wlan_ioctl_get_scan_list)); if (scan_list_node == NULL) { printf("Error: allocate memory for scan_list_head failed\n"); return -ENOMEM; } memset(scan_list_node, 0, sizeof(struct wlan_ioctl_get_scan_list)); /* * Set pcurrent to pnext in case pad bytes are at the end * of the last IE we processed. */ pcurrent = pnext; /* Start extracting each BSS to prepare a linked list */ memcpy((t_u8 *)&fixed_field_length, (t_u8 *)pcurrent, sizeof(fixed_field_length)); pcurrent += sizeof(fixed_field_length); memcpy((t_u8 *)&bss_info_length, (t_u8 *)pcurrent, sizeof(bss_info_length)); pcurrent += sizeof(bss_info_length); memcpy((t_u8 *)&fixed_fields, (t_u8 *)pcurrent, sizeof(fixed_fields)); pcurrent += fixed_field_length; scan_list_node->fixed_buf.fixed_field_length = fixed_field_length; scan_list_node->fixed_buf.bss_info_length = bss_info_length; scan_list_node->fixed_buf.fixed_fields = fixed_fields; bss_info = &scan_list_node->bss_info_buf; /* Set next to be the start of the next scan entry */ pnext = pcurrent + bss_info_length; if (bss_info_length >= (sizeof(bss_info->tsf) + sizeof(bss_info->beacon_interval) + sizeof(bss_info->cap_info))) { /* time stamp is 8 byte long */ memcpy(bss_info->tsf, pcurrent, sizeof(bss_info->tsf)); pcurrent += sizeof(bss_info->tsf); bss_info_length -= sizeof(bss_info->tsf); /* beacon interval is 2 byte long */ memcpy(&bss_info->beacon_interval, pcurrent, sizeof(bss_info->beacon_interval)); pcurrent += sizeof(bss_info->beacon_interval); bss_info_length -= sizeof(bss_info->beacon_interval); /* capability information is 2 byte long */ memcpy(&bss_info->cap_info, pcurrent, sizeof(bss_info->cap_info)); pcurrent += sizeof(bss_info->cap_info); bss_info_length -= sizeof(bss_info->cap_info); } bss_info->wmm_cap = ' '; /* M (WMM), C (WMM-Call Admission Control) */ bss_info->wps_cap = ' '; /* "S" */ bss_info->dot11k_cap = ' '; /* "K" */ bss_info->dot11r_cap = ' '; /* "R" */ bss_info->ht_cap = ' '; /* "N" */ /* "P" for Privacy (WEP) since "W" is WPA, and "2" is RSN/WPA2 */ bss_info->priv_cap = bss_info->cap_info.privacy ? 'P' : ' '; memset(bss_info->ssid, 0, MRVDRV_MAX_SSID_LENGTH + 1); bss_info->ssid_len = 0; while (bss_info_length >= 2) { pelement_id = (IEEEtypes_ElementId_e *)pcurrent; pelement_len = pcurrent + 1; pcurrent += 2; switch (*pelement_id) { case SSID: if (*pelement_len && *pelement_len <= MRVDRV_MAX_SSID_LENGTH) { memcpy(bss_info->ssid, pcurrent, *pelement_len); bss_info->ssid_len = *pelement_len; } break; case WPA_IE: pwpa_ie = (IEEEtypes_VendorSpecific_t *) pelement_id; if ((memcmp (pwpa_ie->vend_hdr.oui, wpa_oui, sizeof(pwpa_ie->vend_hdr.oui)) == 0) && (pwpa_ie->vend_hdr.oui_type == wpa_oui[3])) { /* WPA IE found, 'W' for WPA */ bss_info->priv_cap = 'W'; } else { pwmm_ie = (IEEEtypes_WmmParameter_t *)pelement_id; if ((memcmp (pwmm_ie->vend_hdr.oui, wmm_oui, sizeof(pwmm_ie->vend_hdr. oui)) == 0) && (pwmm_ie->vend_hdr. oui_type == wmm_oui[3])) { /* Check the subtype: 1 == parameter, 0 == info */ if ((pwmm_ie->vend_hdr. oui_subtype == 1) && pwmm_ie-> ac_params [WMM_AC_VO]. aci_aifsn.acm) { /* Call admission on VO; 'C' for CAC */ bss_info-> wmm_cap = 'C'; } else { /* No CAC; 'M' for uh, WMM */ bss_info-> wmm_cap = 'M'; } } else { pwps_ie = (IEEEtypes_VendorSpecific_t *)pelement_id; if ((memcmp (pwps_ie->vend_hdr. oui, wps_oui, sizeof(pwps_ie-> vend_hdr. oui)) == 0) && (pwps_ie-> vend_hdr. oui_type == wps_oui[3])) { bss_info-> wps_cap = 'S'; } } } break; case RSN_IE: /* RSN IE found; '2' for WPA2 (RSN) */ bss_info->priv_cap = '2'; break; case HT_CAPABILITY: bss_info->ht_cap = 'N'; break; case VHT_CAPABILITY: bss_info->vht_cap[0] = 'A'; bss_info->vht_cap[1] = 'C'; break; default: break; } pcurrent += *pelement_len; bss_info_length -= (2 + *pelement_len); } /* Create a sorted list of BSS using Insertion Sort. Sort as per Signal Strength (descending order) */ new_ss = 255 - fixed_fields.rssi; if (scan_list_head == NULL) { // Node is the first element in the list. scan_list_head = scan_list_node; scan_list_node->next = NULL; } else { curr_ss = 255 - scan_list_head->fixed_buf.fixed_fields. rssi; if (new_ss > curr_ss) { // Insert the node to head of the list scan_list_node->next = scan_list_head; scan_list_head = scan_list_node; } else { for (curr = scan_list_head; curr != NULL; curr = curr->next) { curr_ss = 255 - curr->fixed_buf. fixed_fields.rssi; if (prev && new_ss > curr_ss) { // Insert the node to current position in list scan_list_node->next = curr; prev->next = scan_list_node; break; } prev = curr; } if (prev && (curr == NULL)) { // Insert the node to tail of the list prev->next = scan_list_node; scan_list_node->next = NULL; } } } } scan_start += prsp_info->scan_number; } while (prsp_info->scan_number); // Display scan results printf("---------------------------------------"); printf("---------------------------------------\n"); printf("# | ch | ss | bssid | cap | SSID \n"); printf("---------------------------------------"); printf("---------------------------------------\n"); for (curr = scan_list_head, idx = 0; (curr != NULL) && ((unsigned int)idx < total_scan_res); curr = curr->next, idx++) { fixed_fields = curr->fixed_buf.fixed_fields; bss_info = &curr->bss_info_buf; printf("%02u| %03d | %03d | %02x:%02x:%02x:%02x:%02x:%02x |", idx, fixed_fields.channel, 255 - fixed_fields.rssi, fixed_fields.bssid[0], fixed_fields.bssid[1], fixed_fields.bssid[2], fixed_fields.bssid[3], fixed_fields.bssid[4], fixed_fields.bssid[5]); displayed_info = TRUE; /* "A" for Adhoc * "I" for Infrastructure, * "D" for DFS (Spectrum Mgmt) */ printf(" %c%c%c%c%c%c%c%c%c%c | ", bss_info->cap_info.ibss ? 'A' : 'I', bss_info->priv_cap, /* P (WEP), W (WPA), 2 (WPA2) */ bss_info->cap_info.spectrum_mgmt ? 'D' : ' ', bss_info->wmm_cap, /* M (WMM), C (WMM-Call Admission Control) */ bss_info->dot11k_cap, /* K */ bss_info->dot11r_cap, /* R */ bss_info->wps_cap, /* S */ bss_info->ht_cap, /* N */ bss_info->vht_cap[0], /* AC */ bss_info->vht_cap[1]); /* Print out the ssid or the hex values if non-printable */ for (ssid_idx = 0; ssid_idx < bss_info->ssid_len; ssid_idx++) { if (isprint(bss_info->ssid[ssid_idx])) { printf("%c", bss_info->ssid[ssid_idx]); } else { printf("\\%02x", bss_info->ssid[ssid_idx]); } } printf("\n"); if (argc > 3 && strcmp(argv[3], "tsf") == 0) { /* TSF is a u64, some formatted printing libs have trouble printing long longs, so cast and dump as bytes */ pbyte = (t_u8 *)&fixed_fields.network_tsf; printf(" TSF=%02x%02x%02x%02x%02x%02x%02x%02x\n", pbyte[7], pbyte[6], pbyte[5], pbyte[4], pbyte[3], pbyte[2], pbyte[1], pbyte[0]); } } if (displayed_info == TRUE) { if (argc > 3 && strcmp(argv[3], "help") == 0) { printf("\n\n" "Capability Legend (Not all may be supported)\n" "-----------------\n" " I [ Infrastructure ]\n" " A [ Ad-hoc ]\n" " W [ WPA IE ]\n" " 2 [ WPA2/RSN IE ]\n" " M [ WMM IE ]\n" " C [ Call Admission Control - WMM IE, VO ACM set ]\n" " D [ Spectrum Management - DFS (11h) ]\n" " K [ 11k ]\n" " R [ 11r ]\n" " S [ WPS ]\n" " N [ HT (11n) ]\n" " AC [VHT (11ac) ]\n" "\n\n"); } } else { printf("< No Scan Results >\n"); } done: if (scan_rsp_buf) free(scan_rsp_buf); for (curr = scan_list_head; curr != NULL; curr = next) { next = curr->next; free(curr); } return ret; } /** Maximum channel scratch */ #define MAX_CHAN_SCRATCH 100 /** Maximum channel number for b/g band */ #define MAX_CHAN_BG_BAND 14 /** Maximum number of probes to send on each channel */ #define MAX_PROBES 4 /** Scan all the channels in specified band */ #define BAND_SPECIFIED 0x80 /** * @brief Request a scan from the driver and display the scan table afterwards * * Command line interface for performing a specific immediate scan based * on the following keyword parsing: * * chan=[chan#][band][mode] where band is [a,b,g,n] and mode is * blank for active or 'p' for passive * bssid=xx:xx:xx:xx:xx:xx specify a BSSID filter for the scan * ssid="[SSID]" specify a SSID filter for the scan * keep=[0 or 1] keep the previous scan results (1), discard (0) * dur=[scan time] time to scan for each channel in milliseconds * probes=[#] number of probe requests to send on each chan * type=[1,2,3] BSS type: 1 (Infra), 2(Adhoc), 3(Any) * * Any combination of the above arguments can be supplied on the command line. * If the chan token is absent, a full channel scan will be completed by * the driver. If the dur or probes tokens are absent, the drivers default * setting will be used. The bssid and ssid fields, if blank, * will produce an unfiltered scan. The type field will default to 3 (Any) * and the keep field will default to 0 (Discard). * * @param argc number of arguments * @param argv A pointer to arguments array * * @return MLAN_STATUS_SUCCESS--success, otherwise--fail */ int process_setuserscan(int argc, char *argv[]) { wlan_ioctl_user_scan_cfg scan_req; int ioctl_val, subioctl_val; struct iwreq iwr; char *parg_tok; char *pchan_tok; char *parg_cookie; char *pchan_cookie; int arg_idx; int chan_parse_idx; int chan_cmd_idx; char chan_scratch[MAX_CHAN_SCRATCH]; char *pscratch; int tmp_idx; int scan_time; int num_ssid; int is_radio_set; unsigned int mac[ETH_ALEN]; memset(&scan_req, 0x00, sizeof(scan_req)); chan_cmd_idx = 0; scan_time = 0; num_ssid = 0; if (get_priv_ioctl("setuserscan", &ioctl_val, &subioctl_val) == MLAN_STATUS_FAILURE) { return -EOPNOTSUPP; } for (arg_idx = 0; arg_idx < argc; arg_idx++) { if (strncmp(argv[arg_idx], "ssid=", strlen("ssid=")) == 0) { /* * "ssid" token string handler */ if (num_ssid < MRVDRV_MAX_SSID_LIST_LENGTH) { strncpy(scan_req.ssid_list[num_ssid].ssid, argv[arg_idx] + strlen("ssid="), sizeof(scan_req.ssid_list[num_ssid]. ssid)); scan_req.ssid_list[num_ssid].max_len = 0; num_ssid++; } } else if (strncmp(argv[arg_idx], "bssid=", strlen("bssid=")) == 0) { /* * "bssid" token string handler */ sscanf(argv[arg_idx] + strlen("bssid="), "%2x:%2x:%2x:%2x:%2x:%2x", mac + 0, mac + 1, mac + 2, mac + 3, mac + 4, mac + 5); for (tmp_idx = 0; (unsigned int)tmp_idx < NELEMENTS(mac); tmp_idx++) { scan_req.specific_bssid[tmp_idx] = (t_u8)mac[tmp_idx]; } } else if (strncmp(argv[arg_idx], "chan=", strlen("chan=")) == 0) { /* * "chan" token string handler */ parg_tok = argv[arg_idx] + strlen("chan="); if (strlen(parg_tok) > MAX_CHAN_SCRATCH) { printf("Error: Specified channels exceeds max limit\n"); return MLAN_STATUS_FAILURE; } is_radio_set = FALSE; while ((parg_tok = strtok_r(parg_tok, ",", &parg_cookie)) != NULL) { memset(chan_scratch, 0x00, sizeof(chan_scratch)); pscratch = chan_scratch; for (chan_parse_idx = 0; (unsigned int)chan_parse_idx < strlen(parg_tok); chan_parse_idx++) { if (isalpha (*(parg_tok + chan_parse_idx))) { *pscratch++ = ' '; } *pscratch++ = *(parg_tok + chan_parse_idx); } *pscratch = 0; parg_tok = NULL; pchan_tok = chan_scratch; while ((pchan_tok = strtok_r(pchan_tok, " ", &pchan_cookie)) != NULL) { if (isdigit(*pchan_tok)) { scan_req. chan_list[chan_cmd_idx]. chan_number = atoi(pchan_tok); if (scan_req. chan_list[chan_cmd_idx]. chan_number > MAX_CHAN_BG_BAND) scan_req. chan_list [chan_cmd_idx]. radio_type = 1; } else { switch (toupper(*pchan_tok)) { case 'A': scan_req. chan_list [chan_cmd_idx]. radio_type = 1; is_radio_set = TRUE; break; case 'B': case 'G': scan_req. chan_list [chan_cmd_idx]. radio_type = 0; is_radio_set = TRUE; break; case 'N': break; case 'P': scan_req. chan_list [chan_cmd_idx]. scan_type = MLAN_SCAN_TYPE_PASSIVE; break; default: printf("Error: Band type not supported!\n"); return -EOPNOTSUPP; } if (!chan_cmd_idx && !scan_req. chan_list[chan_cmd_idx]. chan_number && is_radio_set) scan_req. chan_list [chan_cmd_idx]. radio_type |= BAND_SPECIFIED; } pchan_tok = NULL; } chan_cmd_idx++; } } else if (strncmp(argv[arg_idx], "keep=", strlen("keep=")) == 0) { /* * "keep" token string handler */ scan_req.keep_previous_scan = atoi(argv[arg_idx] + strlen("keep=")); } else if (strncmp(argv[arg_idx], "dur=", strlen("dur=")) == 0) { /* * "dur" token string handler */ scan_time = atoi(argv[arg_idx] + strlen("dur=")); scan_req.chan_list[0].scan_time = scan_time; } else if (strncmp(argv[arg_idx], "wc=", strlen("wc=")) == 0) { if (num_ssid < MRVDRV_MAX_SSID_LIST_LENGTH) { /* * "wc" token string handler */ pscratch = strrchr(argv[arg_idx], ','); if (pscratch) { *pscratch = 0; pscratch++; if (isdigit(*pscratch)) { scan_req.ssid_list[num_ssid]. max_len = atoi(pscratch); } else { scan_req.ssid_list[num_ssid]. max_len = *pscratch; } } else { /* Standard wildcard matching */ scan_req.ssid_list[num_ssid].max_len = 0xFF; } strncpy(scan_req.ssid_list[num_ssid].ssid, argv[arg_idx] + strlen("wc="), sizeof(scan_req.ssid_list[num_ssid]. ssid)); num_ssid++; } } else if (strncmp(argv[arg_idx], "probes=", strlen("probes=")) == 0) { /* * "probes" token string handler */ scan_req.num_probes = atoi(argv[arg_idx] + strlen("probes=")); if (scan_req.num_probes > MAX_PROBES) { fprintf(stderr, "Invalid probes (> %d)\n", MAX_PROBES); return -EOPNOTSUPP; } } else if (strncmp(argv[arg_idx], "type=", strlen("type=")) == 0) { /* * "type" token string handler */ scan_req.bss_mode = atoi(argv[arg_idx] + strlen("type=")); switch (scan_req.bss_mode) { case MLAN_SCAN_MODE_BSS: case MLAN_SCAN_MODE_IBSS: break; case MLAN_SCAN_MODE_ANY: default: /* Set any unknown types to ANY */ scan_req.bss_mode = MLAN_SCAN_MODE_ANY; break; } } } /* * Update all the channels to have the same scan time */ for (tmp_idx = 1; tmp_idx < chan_cmd_idx; tmp_idx++) { scan_req.chan_list[tmp_idx].scan_time = scan_time; } strncpy(iwr.ifr_name, dev_name, IFNAMSIZ - 1); iwr.u.data.pointer = (caddr_t) & scan_req; iwr.u.data.length = sizeof(scan_req); iwr.u.data.flags = subioctl_val; if (ioctl(sockfd, ioctl_val, &iwr) < 0) { perror("mlanconfig: setuserscan ioctl"); return -EFAULT; } process_getscantable(0, 0); return MLAN_STATUS_SUCCESS; }