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mwifiex/mwifiex_8997/mapp/mlanconfig/mlanmisc.c
Fugang Duan bd8827d169 mwifiex: 8997: add W16.68.10.p16 release sdk 
The sdk release is from NXP offial web:
https://www.nxp.com/products/wireless/wi-fi-plus-bluetooth/
88w8997-wi-fi-dual-band-with-bluetooth-5-for-a-v-streaming-and-digital-tv:88W8997?tab=Design_Tools_Tab

The release file is:
PCIE-WLAN-UART-BT-8997-U16-X86-W16.68.10.p16-16.26.10.p16-C4X16640_V4-MGPL

The sdk version is: W16.68.10.p16

Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
2020-01-13 10:35:39 +08:00

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/** @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;
}
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