-/**
- * This file contains functions for 802.11D.
- */
-#include <linux/ctype.h>
-#include <linux/kernel.h>
-#include <linux/wireless.h>
-
-#include "host.h"
-#include "cmd.h"
-#include "decl.h"
-#include "11d.h"
-#include "dev.h"
-#include "wext.h"
-
-#define TX_PWR_DEFAULT 10
-
-static struct region_code_mapping region_code_mapping[] = {
- {"US ", 0x10}, /* US FCC */
- {"CA ", 0x10}, /* IC Canada */
- {"SG ", 0x10}, /* Singapore */
- {"EU ", 0x30}, /* ETSI */
- {"AU ", 0x30}, /* Australia */
- {"KR ", 0x30}, /* Republic Of Korea */
- {"ES ", 0x31}, /* Spain */
- {"FR ", 0x32}, /* France */
- {"JP ", 0x40}, /* Japan */
-};
-
-/* Following 2 structure defines the supported channels */
-static struct chan_freq_power channel_freq_power_UN_BG[] = {
- {1, 2412, TX_PWR_DEFAULT},
- {2, 2417, TX_PWR_DEFAULT},
- {3, 2422, TX_PWR_DEFAULT},
- {4, 2427, TX_PWR_DEFAULT},
- {5, 2432, TX_PWR_DEFAULT},
- {6, 2437, TX_PWR_DEFAULT},
- {7, 2442, TX_PWR_DEFAULT},
- {8, 2447, TX_PWR_DEFAULT},
- {9, 2452, TX_PWR_DEFAULT},
- {10, 2457, TX_PWR_DEFAULT},
- {11, 2462, TX_PWR_DEFAULT},
- {12, 2467, TX_PWR_DEFAULT},
- {13, 2472, TX_PWR_DEFAULT},
- {14, 2484, TX_PWR_DEFAULT}
-};
-
-static u8 lbs_region_2_code(u8 *region)
-{
- u8 i;
-
- for (i = 0; i < COUNTRY_CODE_LEN && region[i]; i++)
- region[i] = toupper(region[i]);
-
- for (i = 0; i < ARRAY_SIZE(region_code_mapping); i++) {
- if (!memcmp(region, region_code_mapping[i].region,
- COUNTRY_CODE_LEN))
- return (region_code_mapping[i].code);
- }
-
- /* default is US */
- return (region_code_mapping[0].code);
-}
-
-static u8 *lbs_code_2_region(u8 code)
-{
- u8 i;
-
- for (i = 0; i < ARRAY_SIZE(region_code_mapping); i++) {
- if (region_code_mapping[i].code == code)
- return (region_code_mapping[i].region);
- }
- /* default is US */
- return (region_code_mapping[0].region);
-}
-
-/**
- * @brief This function finds the nrchan-th chan after the firstchan
- * @param band band
- * @param firstchan first channel number
- * @param nrchan number of channels
- * @return the nrchan-th chan number
-*/
-static u8 lbs_get_chan_11d(u8 firstchan, u8 nrchan, u8 *chan)
-/*find the nrchan-th chan after the firstchan*/
-{
- u8 i;
- struct chan_freq_power *cfp;
- u8 cfp_no;
-
- cfp = channel_freq_power_UN_BG;
- cfp_no = ARRAY_SIZE(channel_freq_power_UN_BG);
-
- for (i = 0; i < cfp_no; i++) {
- if ((cfp + i)->channel == firstchan) {
- lbs_deb_11d("firstchan found\n");
- break;
- }
- }
-
- if (i < cfp_no) {
- /*if beyond the boundary */
- if (i + nrchan < cfp_no) {
- *chan = (cfp + i + nrchan)->channel;
- return 1;
- }
- }
-
- return 0;
-}
-
-/**
- * @brief This function Checks if chan txpwr is learned from AP/IBSS
- * @param chan chan number
- * @param parsed_region_chan pointer to parsed_region_chan_11d
- * @return TRUE; FALSE
-*/
-static u8 lbs_channel_known_11d(u8 chan,
- struct parsed_region_chan_11d * parsed_region_chan)
-{
- struct chan_power_11d *chanpwr = parsed_region_chan->chanpwr;
- u8 nr_chan = parsed_region_chan->nr_chan;
- u8 i = 0;
-
- lbs_deb_hex(LBS_DEB_11D, "parsed_region_chan", (char *)chanpwr,
- sizeof(struct chan_power_11d) * nr_chan);
-
- for (i = 0; i < nr_chan; i++) {
- if (chan == chanpwr[i].chan) {
- lbs_deb_11d("found chan %d\n", chan);
- return 1;
- }
- }
-
- lbs_deb_11d("chan %d not found\n", chan);
- return 0;
-}
-
-u32 lbs_chan_2_freq(u8 chan)
-{
- struct chan_freq_power *cf;
- u16 i;
- u32 freq = 0;
-
- cf = channel_freq_power_UN_BG;
-
- for (i = 0; i < ARRAY_SIZE(channel_freq_power_UN_BG); i++) {
- if (chan == cf[i].channel)
- freq = cf[i].freq;
- }
-
- return freq;
-}
-
-static int generate_domain_info_11d(struct parsed_region_chan_11d
- *parsed_region_chan,
- struct lbs_802_11d_domain_reg *domaininfo)
-{
- u8 nr_subband = 0;
-
- u8 nr_chan = parsed_region_chan->nr_chan;
- u8 nr_parsedchan = 0;
-
- u8 firstchan = 0, nextchan = 0, maxpwr = 0;
-
- u8 i, flag = 0;
-
- memcpy(domaininfo->countrycode, parsed_region_chan->countrycode,
- COUNTRY_CODE_LEN);
-
- lbs_deb_11d("nrchan %d\n", nr_chan);
- lbs_deb_hex(LBS_DEB_11D, "parsed_region_chan", (char *)parsed_region_chan,
- sizeof(struct parsed_region_chan_11d));
-
- for (i = 0; i < nr_chan; i++) {
- if (!flag) {
- flag = 1;
- nextchan = firstchan =
- parsed_region_chan->chanpwr[i].chan;
- maxpwr = parsed_region_chan->chanpwr[i].pwr;
- nr_parsedchan = 1;
- continue;
- }
-
- if (parsed_region_chan->chanpwr[i].chan == nextchan + 1 &&
- parsed_region_chan->chanpwr[i].pwr == maxpwr) {
- nextchan++;
- nr_parsedchan++;
- } else {
- domaininfo->subband[nr_subband].firstchan = firstchan;
- domaininfo->subband[nr_subband].nrchan =
- nr_parsedchan;
- domaininfo->subband[nr_subband].maxtxpwr = maxpwr;
- nr_subband++;
- nextchan = firstchan =
- parsed_region_chan->chanpwr[i].chan;
- maxpwr = parsed_region_chan->chanpwr[i].pwr;
- }
- }
-
- if (flag) {
- domaininfo->subband[nr_subband].firstchan = firstchan;
- domaininfo->subband[nr_subband].nrchan = nr_parsedchan;
- domaininfo->subband[nr_subband].maxtxpwr = maxpwr;
- nr_subband++;
- }
- domaininfo->nr_subband = nr_subband;
-
- lbs_deb_11d("nr_subband=%x\n", domaininfo->nr_subband);
- lbs_deb_hex(LBS_DEB_11D, "domaininfo", (char *)domaininfo,
- COUNTRY_CODE_LEN + 1 +
- sizeof(struct ieee_subbandset) * nr_subband);
- return 0;
-}
-
-/**
- * @brief This function generates parsed_region_chan from Domain Info learned from AP/IBSS
- * @param region_chan pointer to struct region_channel
- * @param *parsed_region_chan pointer to parsed_region_chan_11d
- * @return N/A
-*/
-static void lbs_generate_parsed_region_chan_11d(struct region_channel *region_chan,
- struct parsed_region_chan_11d *
- parsed_region_chan)
-{
- u8 i;
- struct chan_freq_power *cfp;
-
- if (region_chan == NULL) {
- lbs_deb_11d("region_chan is NULL\n");
- return;
- }
-
- cfp = region_chan->CFP;
- if (cfp == NULL) {
- lbs_deb_11d("cfp is NULL \n");
- return;
- }
-
- parsed_region_chan->band = region_chan->band;
- parsed_region_chan->region = region_chan->region;
- memcpy(parsed_region_chan->countrycode,
- lbs_code_2_region(region_chan->region), COUNTRY_CODE_LEN);
-
- lbs_deb_11d("region 0x%x, band %d\n", parsed_region_chan->region,
- parsed_region_chan->band);
-
- for (i = 0; i < region_chan->nrcfp; i++, cfp++) {
- parsed_region_chan->chanpwr[i].chan = cfp->channel;
- parsed_region_chan->chanpwr[i].pwr = cfp->maxtxpower;
- lbs_deb_11d("chan %d, pwr %d\n",
- parsed_region_chan->chanpwr[i].chan,
- parsed_region_chan->chanpwr[i].pwr);
- }
- parsed_region_chan->nr_chan = region_chan->nrcfp;
-
- lbs_deb_11d("nrchan %d\n", parsed_region_chan->nr_chan);
-
- return;
-}
-
-/**
- * @brief generate parsed_region_chan from Domain Info learned from AP/IBSS
- * @param region region ID
- * @param band band
- * @param chan chan
- * @return TRUE;FALSE
-*/
-static u8 lbs_region_chan_supported_11d(u8 region, u8 chan)
-{
- struct chan_freq_power *cfp;
- int cfp_no;
- u8 idx;
- int ret = 0;
-
- lbs_deb_enter(LBS_DEB_11D);
-
- cfp = lbs_get_region_cfp_table(region, &cfp_no);
- if (cfp == NULL)
- return 0;
-
- for (idx = 0; idx < cfp_no; idx++) {
- if (chan == (cfp + idx)->channel) {
- /* If Mrvl Chip Supported? */
- if ((cfp + idx)->unsupported) {
- ret = 0;
- } else {
- ret = 1;
- }
- goto done;
- }
- }
-
- /*chan is not in the region table */
-
-done:
- lbs_deb_leave_args(LBS_DEB_11D, "ret %d", ret);
- return ret;
-}
-
-/**
- * @brief This function checks if chan txpwr is learned from AP/IBSS
- * @param chan chan number
- * @param parsed_region_chan pointer to parsed_region_chan_11d
- * @return 0
-*/
-static int parse_domain_info_11d(struct ieee_ie_country_info_full_set *countryinfo,
- u8 band,
- struct parsed_region_chan_11d *parsed_region_chan)
-{
- u8 nr_subband, nrchan;
- u8 lastchan, firstchan;
- u8 region;
- u8 curchan = 0;
-
- u8 idx = 0; /*chan index in parsed_region_chan */
-
- u8 j, i;
-
- lbs_deb_enter(LBS_DEB_11D);
-
- /*validation Rules:
- 1. valid region Code
- 2. First Chan increment
- 3. channel range no overlap
- 4. channel is valid?
- 5. channel is supported by region?
- 6. Others
- */
-
- lbs_deb_hex(LBS_DEB_11D, "countryinfo", (u8 *) countryinfo, 30);
-
- if ((*(countryinfo->countrycode)) == 0
- || (countryinfo->header.len <= COUNTRY_CODE_LEN)) {
- /* No region Info or Wrong region info: treat as No 11D info */
- goto done;
- }
-
- /*Step1: check region_code */
- parsed_region_chan->region = region =
- lbs_region_2_code(countryinfo->countrycode);
-
- lbs_deb_11d("regioncode=%x\n", (u8) parsed_region_chan->region);
- lbs_deb_hex(LBS_DEB_11D, "countrycode", (char *)countryinfo->countrycode,
- COUNTRY_CODE_LEN);
-
- parsed_region_chan->band = band;
-
- memcpy(parsed_region_chan->countrycode, countryinfo->countrycode,
- COUNTRY_CODE_LEN);
-
- nr_subband = (countryinfo->header.len - COUNTRY_CODE_LEN) /
- sizeof(struct ieee_subbandset);
-
- for (j = 0, lastchan = 0; j < nr_subband; j++) {
-
- if (countryinfo->subband[j].firstchan <= lastchan) {
- /*Step2&3. Check First Chan Num increment and no overlap */
- lbs_deb_11d("chan %d>%d, overlap\n",
- countryinfo->subband[j].firstchan, lastchan);
- continue;
- }
-
- firstchan = countryinfo->subband[j].firstchan;
- nrchan = countryinfo->subband[j].nrchan;
-
- for (i = 0; idx < MAX_NO_OF_CHAN && i < nrchan; i++) {
- /*step4: channel is supported? */
-
- if (!lbs_get_chan_11d(firstchan, i, &curchan)) {
- /* Chan is not found in UN table */
- lbs_deb_11d("chan is not supported: %d \n", i);
- break;
- }
-
- lastchan = curchan;
-
- if (lbs_region_chan_supported_11d(region, curchan)) {
- /*step5: Check if curchan is supported by mrvl in region */
- parsed_region_chan->chanpwr[idx].chan = curchan;
- parsed_region_chan->chanpwr[idx].pwr =
- countryinfo->subband[j].maxtxpwr;
- idx++;
- } else {
- /*not supported and ignore the chan */
- lbs_deb_11d(
- "i %d, chan %d unsupported in region %x, band %d\n",
- i, curchan, region, band);
- }
- }
-
- /*Step6: Add other checking if any */
-
- }
-
- parsed_region_chan->nr_chan = idx;
-
- lbs_deb_11d("nrchan=%x\n", parsed_region_chan->nr_chan);
- lbs_deb_hex(LBS_DEB_11D, "parsed_region_chan", (u8 *) parsed_region_chan,
- 2 + COUNTRY_CODE_LEN + sizeof(struct parsed_region_chan_11d) * idx);
-
-done:
- lbs_deb_enter(LBS_DEB_11D);
- return 0;
-}
-
-/**
- * @brief This function calculates the scan type for channels
- * @param chan chan number
- * @param parsed_region_chan pointer to parsed_region_chan_11d
- * @return PASSIVE if chan is unknown; ACTIVE if chan is known
-*/
-u8 lbs_get_scan_type_11d(u8 chan,
- struct parsed_region_chan_11d * parsed_region_chan)
-{
- u8 scan_type = CMD_SCAN_TYPE_PASSIVE;
-
- lbs_deb_enter(LBS_DEB_11D);
-
- if (lbs_channel_known_11d(chan, parsed_region_chan)) {
- lbs_deb_11d("found, do active scan\n");
- scan_type = CMD_SCAN_TYPE_ACTIVE;
- } else {
- lbs_deb_11d("not found, do passive scan\n");
- }
-
- lbs_deb_leave_args(LBS_DEB_11D, "ret scan_type %d", scan_type);
- return scan_type;
-
-}
-
-void lbs_init_11d(struct lbs_private *priv)
-{
- priv->enable11d = 0;
- memset(&(priv->parsed_region_chan), 0,
- sizeof(struct parsed_region_chan_11d));
- return;
-}
-
-/**
- * @brief This function sets DOMAIN INFO to FW
- * @param priv pointer to struct lbs_private
- * @return 0; -1
-*/
-static int set_domain_info_11d(struct lbs_private *priv)
-{
- int ret;
-
- if (!priv->enable11d) {
- lbs_deb_11d("dnld domain Info with 11d disabled\n");
- return 0;
- }
-
- ret = lbs_prepare_and_send_command(priv, CMD_802_11D_DOMAIN_INFO,
- CMD_ACT_SET,
- CMD_OPTION_WAITFORRSP, 0, NULL);
- if (ret)
- lbs_deb_11d("fail to dnld domain info\n");
-
- return ret;
-}
-
-/**
- * @brief This function setups scan channels
- * @param priv pointer to struct lbs_private
- * @param band band
- * @return 0
-*/
-int lbs_set_universaltable(struct lbs_private *priv, u8 band)
-{
- u16 size = sizeof(struct chan_freq_power);
- u16 i = 0;
-
- memset(priv->universal_channel, 0,
- sizeof(priv->universal_channel));
-
- priv->universal_channel[i].nrcfp =
- sizeof(channel_freq_power_UN_BG) / size;
- lbs_deb_11d("BG-band nrcfp %d\n",
- priv->universal_channel[i].nrcfp);
-
- priv->universal_channel[i].CFP = channel_freq_power_UN_BG;
- priv->universal_channel[i].valid = 1;
- priv->universal_channel[i].region = UNIVERSAL_REGION_CODE;
- priv->universal_channel[i].band = band;
- i++;
-
- return 0;
-}
-
-/**
- * @brief This function implements command CMD_802_11D_DOMAIN_INFO
- * @param priv pointer to struct lbs_private
- * @param cmd pointer to cmd buffer
- * @param cmdno cmd ID
- * @param cmdOption cmd action
- * @return 0
-*/
-int lbs_cmd_802_11d_domain_info(struct lbs_private *priv,
- struct cmd_ds_command *cmd, u16 cmdno,
- u16 cmdoption)
-{
- struct cmd_ds_802_11d_domain_info *pdomaininfo =
- &cmd->params.domaininfo;
- struct mrvl_ie_domain_param_set *domain = &pdomaininfo->domain;
- u8 nr_subband = priv->domainreg.nr_subband;
-
- lbs_deb_enter(LBS_DEB_11D);
-
- lbs_deb_11d("nr_subband=%x\n", nr_subband);
-
- cmd->command = cpu_to_le16(cmdno);
- pdomaininfo->action = cpu_to_le16(cmdoption);
- if (cmdoption == CMD_ACT_GET) {
- cmd->size =
- cpu_to_le16(sizeof(pdomaininfo->action) + S_DS_GEN);
- lbs_deb_hex(LBS_DEB_11D, "802_11D_DOMAIN_INFO", (u8 *) cmd,
- le16_to_cpu(cmd->size));
- goto done;
- }
-
- domain->header.type = cpu_to_le16(TLV_TYPE_DOMAIN);
- memcpy(domain->countrycode, priv->domainreg.countrycode,
- sizeof(domain->countrycode));
-
- domain->header.len =
- cpu_to_le16(nr_subband * sizeof(struct ieee_subbandset) +
- sizeof(domain->countrycode));
-
- if (nr_subband) {
- memcpy(domain->subband, priv->domainreg.subband,
- nr_subband * sizeof(struct ieee_subbandset));
-
- cmd->size = cpu_to_le16(sizeof(pdomaininfo->action) +
- le16_to_cpu(domain->header.len) +
- sizeof(struct mrvl_ie_header) +
- S_DS_GEN);
- } else {
- cmd->size =
- cpu_to_le16(sizeof(pdomaininfo->action) + S_DS_GEN);
- }
-
- lbs_deb_hex(LBS_DEB_11D, "802_11D_DOMAIN_INFO", (u8 *) cmd, le16_to_cpu(cmd->size));
-
-done:
- lbs_deb_enter(LBS_DEB_11D);
- return 0;
-}
-
-/**
- * @brief This function parses countryinfo from AP and download country info to FW
- * @param priv pointer to struct lbs_private
- * @param resp pointer to command response buffer
- * @return 0; -1
- */
-int lbs_ret_802_11d_domain_info(struct cmd_ds_command *resp)
-{
- struct cmd_ds_802_11d_domain_info *domaininfo = &resp->params.domaininforesp;
- struct mrvl_ie_domain_param_set *domain = &domaininfo->domain;
- u16 action = le16_to_cpu(domaininfo->action);
- s16 ret = 0;
- u8 nr_subband = 0;
-
- lbs_deb_enter(LBS_DEB_11D);
-
- lbs_deb_hex(LBS_DEB_11D, "domain info resp", (u8 *) resp,
- (int)le16_to_cpu(resp->size));
-
- nr_subband = (le16_to_cpu(domain->header.len) - COUNTRY_CODE_LEN) /
- sizeof(struct ieee_subbandset);
-
- lbs_deb_11d("domain info resp: nr_subband %d\n", nr_subband);
-
- if (nr_subband > MRVDRV_MAX_SUBBAND_802_11D) {
- lbs_deb_11d("Invalid Numrer of Subband returned!!\n");
- return -1;
- }
-
- switch (action) {
- case CMD_ACT_SET: /*Proc Set action */
- break;
-
- case CMD_ACT_GET:
- break;
- default:
- lbs_deb_11d("Invalid action:%d\n", domaininfo->action);
- ret = -1;
- break;
- }
-
- lbs_deb_leave_args(LBS_DEB_11D, "ret %d", ret);
- return ret;
-}
-
-/**
- * @brief This function parses countryinfo from AP and download country info to FW
- * @param priv pointer to struct lbs_private
- * @return 0; -1
- */
-int lbs_parse_dnld_countryinfo_11d(struct lbs_private *priv,
- struct bss_descriptor * bss)
-{
- int ret;
-
- lbs_deb_enter(LBS_DEB_11D);
- if (priv->enable11d) {
- memset(&priv->parsed_region_chan, 0,
- sizeof(struct parsed_region_chan_11d));
- ret = parse_domain_info_11d(&bss->countryinfo, 0,
- &priv->parsed_region_chan);
-
- if (ret == -1) {
- lbs_deb_11d("error parsing domain_info from AP\n");
- goto done;
- }
-
- memset(&priv->domainreg, 0,
- sizeof(struct lbs_802_11d_domain_reg));
- generate_domain_info_11d(&priv->parsed_region_chan,
- &priv->domainreg);
-
- ret = set_domain_info_11d(priv);
-
- if (ret) {
- lbs_deb_11d("error setting domain info\n");
- goto done;
- }
- }
- ret = 0;
-
-done:
- lbs_deb_leave_args(LBS_DEB_11D, "ret %d", ret);
- return ret;
-}
-
-/**
- * @brief This function generates 11D info from user specified regioncode and download to FW
- * @param priv pointer to struct lbs_private
- * @return 0; -1
- */
-int lbs_create_dnld_countryinfo_11d(struct lbs_private *priv)
-{
- int ret;
- struct region_channel *region_chan;
- u8 j;
-
- lbs_deb_enter(LBS_DEB_11D);
- lbs_deb_11d("curbssparams.band %d\n", priv->curbssparams.band);
-
- if (priv->enable11d) {
- /* update parsed_region_chan_11; dnld domaininf to FW */
-
- for (j = 0; j < ARRAY_SIZE(priv->region_channel); j++) {
- region_chan = &priv->region_channel[j];
-
- lbs_deb_11d("%d region_chan->band %d\n", j,
- region_chan->band);
-
- if (!region_chan || !region_chan->valid
- || !region_chan->CFP)
- continue;
- if (region_chan->band != priv->curbssparams.band)
- continue;
- break;
- }
-
- if (j >= ARRAY_SIZE(priv->region_channel)) {
- lbs_deb_11d("region_chan not found, band %d\n",
- priv->curbssparams.band);
- ret = -1;
- goto done;
- }
-
- memset(&priv->parsed_region_chan, 0,
- sizeof(struct parsed_region_chan_11d));
- lbs_generate_parsed_region_chan_11d(region_chan,
- &priv->
- parsed_region_chan);
-
- memset(&priv->domainreg, 0,
- sizeof(struct lbs_802_11d_domain_reg));
- generate_domain_info_11d(&priv->parsed_region_chan,
- &priv->domainreg);
-
- ret = set_domain_info_11d(priv);
-
- if (ret) {
- lbs_deb_11d("error setting domain info\n");
- goto done;
- }
-
- }
- ret = 0;
-
-done:
- lbs_deb_leave_args(LBS_DEB_11D, "ret %d", ret);
- return ret;
-}
git://ftp.safe.ca / safe / jmp / linux-2.6 / commitdiff