diff options
Diffstat (limited to 'drivers/net/wireless/libertas/scan.c')
-rw-r--r-- | drivers/net/wireless/libertas/scan.c | 101 |
1 files changed, 53 insertions, 48 deletions
diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c index 22c4c611052..93f74763a01 100644 --- a/drivers/net/wireless/libertas/scan.c +++ b/drivers/net/wireless/libertas/scan.c @@ -4,8 +4,11 @@ * IOCTL handlers as well as command preperation and response routines * for sending scan commands to the firmware. */ +#include <linux/types.h> #include <linux/etherdevice.h> +#include <linux/if_arp.h> #include <asm/unaligned.h> +#include <net/lib80211.h> #include "host.h" #include "decl.h" @@ -52,6 +55,8 @@ //! Scan time specified in the channel TLV for each channel for active scans #define MRVDRV_ACTIVE_SCAN_CHAN_TIME 100 +#define DEFAULT_MAX_SCAN_AGE (15 * HZ) + static int lbs_ret_80211_scan(struct lbs_private *priv, unsigned long dummy, struct cmd_header *resp); @@ -359,7 +364,7 @@ int lbs_scan_networks(struct lbs_private *priv, int full_scan) #ifdef CONFIG_LIBERTAS_DEBUG struct bss_descriptor *iter; int i = 0; - DECLARE_MAC_BUF(mac); + DECLARE_SSID_BUF(ssid); #endif lbs_deb_enter_args(LBS_DEB_SCAN, "full_scan %d", full_scan); @@ -451,9 +456,9 @@ int lbs_scan_networks(struct lbs_private *priv, int full_scan) mutex_lock(&priv->lock); lbs_deb_scan("scan table:\n"); list_for_each_entry(iter, &priv->network_list, list) - lbs_deb_scan("%02d: BSSID %s, RSSI %d, SSID '%s'\n", - i++, print_mac(mac, iter->bssid), iter->rssi, - escape_essid(iter->ssid, iter->ssid_len)); + lbs_deb_scan("%02d: BSSID %pM, RSSI %d, SSID '%s'\n", + i++, iter->bssid, iter->rssi, + print_ssid(ssid, iter->ssid, iter->ssid_len)); mutex_unlock(&priv->lock); #endif @@ -512,7 +517,7 @@ static int lbs_process_bss(struct bss_descriptor *bss, struct ieeetypes_dsparamset *pDS; struct ieeetypes_cfparamset *pCF; struct ieeetypes_ibssparamset *pibss; - DECLARE_MAC_BUF(mac); + DECLARE_SSID_BUF(ssid); struct ieeetypes_countryinfoset *pcountryinfo; uint8_t *pos, *end, *p; uint8_t n_ex_rates = 0, got_basic_rates = 0, n_basic_rates = 0; @@ -544,7 +549,7 @@ static int lbs_process_bss(struct bss_descriptor *bss, *bytesleft -= beaconsize; memcpy(bss->bssid, pos, ETH_ALEN); - lbs_deb_scan("process_bss: BSSID %s\n", print_mac(mac, bss->bssid)); + lbs_deb_scan("process_bss: BSSID %pM\n", bss->bssid); pos += ETH_ALEN; if ((end - pos) < 12) { @@ -588,38 +593,36 @@ static int lbs_process_bss(struct bss_descriptor *bss, /* process variable IE */ while (pos <= end - 2) { - struct ieee80211_info_element * elem = (void *)pos; - - if (pos + elem->len > end) { + if (pos + pos[1] > end) { lbs_deb_scan("process_bss: error in processing IE, " "bytes left < IE length\n"); break; } - switch (elem->id) { - case MFIE_TYPE_SSID: - bss->ssid_len = min_t(int, 32, elem->len); - memcpy(bss->ssid, elem->data, bss->ssid_len); + switch (pos[0]) { + case WLAN_EID_SSID: + bss->ssid_len = min_t(int, IEEE80211_MAX_SSID_LEN, pos[1]); + memcpy(bss->ssid, pos + 2, bss->ssid_len); lbs_deb_scan("got SSID IE: '%s', len %u\n", - escape_essid(bss->ssid, bss->ssid_len), + print_ssid(ssid, bss->ssid, bss->ssid_len), bss->ssid_len); break; - case MFIE_TYPE_RATES: - n_basic_rates = min_t(uint8_t, MAX_RATES, elem->len); - memcpy(bss->rates, elem->data, n_basic_rates); + case WLAN_EID_SUPP_RATES: + n_basic_rates = min_t(uint8_t, MAX_RATES, pos[1]); + memcpy(bss->rates, pos + 2, n_basic_rates); got_basic_rates = 1; lbs_deb_scan("got RATES IE\n"); break; - case MFIE_TYPE_FH_SET: + case WLAN_EID_FH_PARAMS: pFH = (struct ieeetypes_fhparamset *) pos; memmove(&bss->phyparamset.fhparamset, pFH, sizeof(struct ieeetypes_fhparamset)); lbs_deb_scan("got FH IE\n"); break; - case MFIE_TYPE_DS_SET: + case WLAN_EID_DS_PARAMS: pDS = (struct ieeetypes_dsparamset *) pos; bss->channel = pDS->currentchan; memcpy(&bss->phyparamset.dsparamset, pDS, @@ -627,14 +630,14 @@ static int lbs_process_bss(struct bss_descriptor *bss, lbs_deb_scan("got DS IE, channel %d\n", bss->channel); break; - case MFIE_TYPE_CF_SET: + case WLAN_EID_CF_PARAMS: pCF = (struct ieeetypes_cfparamset *) pos; memcpy(&bss->ssparamset.cfparamset, pCF, sizeof(struct ieeetypes_cfparamset)); lbs_deb_scan("got CF IE\n"); break; - case MFIE_TYPE_IBSS_SET: + case WLAN_EID_IBSS_PARAMS: pibss = (struct ieeetypes_ibssparamset *) pos; bss->atimwindow = le16_to_cpu(pibss->atimwindow); memmove(&bss->ssparamset.ibssparamset, pibss, @@ -642,7 +645,7 @@ static int lbs_process_bss(struct bss_descriptor *bss, lbs_deb_scan("got IBSS IE\n"); break; - case MFIE_TYPE_COUNTRY: + case WLAN_EID_COUNTRY: pcountryinfo = (struct ieeetypes_countryinfoset *) pos; lbs_deb_scan("got COUNTRY IE\n"); if (pcountryinfo->len < sizeof(pcountryinfo->countrycode) @@ -659,7 +662,7 @@ static int lbs_process_bss(struct bss_descriptor *bss, (int) (pcountryinfo->len + 2)); break; - case MFIE_TYPE_RATES_EX: + case WLAN_EID_EXT_SUPP_RATES: /* only process extended supported rate if data rate is * already found. Data rate IE should come before * extended supported rate IE @@ -670,50 +673,51 @@ static int lbs_process_bss(struct bss_descriptor *bss, break; } - n_ex_rates = elem->len; + n_ex_rates = pos[1]; if (n_basic_rates + n_ex_rates > MAX_RATES) n_ex_rates = MAX_RATES - n_basic_rates; p = bss->rates + n_basic_rates; - memcpy(p, elem->data, n_ex_rates); + memcpy(p, pos + 2, n_ex_rates); break; - case MFIE_TYPE_GENERIC: - if (elem->len >= 4 && - elem->data[0] == 0x00 && elem->data[1] == 0x50 && - elem->data[2] == 0xf2 && elem->data[3] == 0x01) { - bss->wpa_ie_len = min(elem->len + 2, MAX_WPA_IE_LEN); - memcpy(bss->wpa_ie, elem, bss->wpa_ie_len); + case WLAN_EID_GENERIC: + if (pos[1] >= 4 && + pos[2] == 0x00 && pos[3] == 0x50 && + pos[4] == 0xf2 && pos[5] == 0x01) { + bss->wpa_ie_len = min(pos[1] + 2, MAX_WPA_IE_LEN); + memcpy(bss->wpa_ie, pos, bss->wpa_ie_len); lbs_deb_scan("got WPA IE\n"); - lbs_deb_hex(LBS_DEB_SCAN, "WPA IE", bss->wpa_ie, elem->len); - } else if (elem->len >= MARVELL_MESH_IE_LENGTH && - elem->data[0] == 0x00 && elem->data[1] == 0x50 && - elem->data[2] == 0x43 && elem->data[3] == 0x04) { + lbs_deb_hex(LBS_DEB_SCAN, "WPA IE", bss->wpa_ie, + bss->wpa_ie_len); + } else if (pos[1] >= MARVELL_MESH_IE_LENGTH && + pos[2] == 0x00 && pos[3] == 0x50 && + pos[4] == 0x43 && pos[4] == 0x04) { lbs_deb_scan("got mesh IE\n"); bss->mesh = 1; } else { lbs_deb_scan("got generic IE: %02x:%02x:%02x:%02x, len %d\n", - elem->data[0], elem->data[1], - elem->data[2], elem->data[3], - elem->len); + pos[2], pos[3], + pos[4], pos[5], + pos[1]); } break; - case MFIE_TYPE_RSN: + case WLAN_EID_RSN: lbs_deb_scan("got RSN IE\n"); - bss->rsn_ie_len = min(elem->len + 2, MAX_WPA_IE_LEN); - memcpy(bss->rsn_ie, elem, bss->rsn_ie_len); + bss->rsn_ie_len = min(pos[1] + 2, MAX_WPA_IE_LEN); + memcpy(bss->rsn_ie, pos, bss->rsn_ie_len); lbs_deb_hex(LBS_DEB_SCAN, "process_bss: RSN_IE", - bss->rsn_ie, elem->len); + bss->rsn_ie, bss->rsn_ie_len); break; default: lbs_deb_scan("got IE 0x%04x, len %d\n", - elem->id, elem->len); + pos[0], pos[1]); break; } - pos += elem->len + 2; + pos += pos[1] + 2; } /* Timestamp */ @@ -741,10 +745,11 @@ done: int lbs_send_specific_ssid_scan(struct lbs_private *priv, uint8_t *ssid, uint8_t ssid_len) { + DECLARE_SSID_BUF(ssid_buf); int ret = 0; lbs_deb_enter_args(LBS_DEB_SCAN, "SSID '%s'\n", - escape_essid(ssid, ssid_len)); + print_ssid(ssid_buf, ssid, ssid_len)); if (!ssid_len) goto out; @@ -939,6 +944,7 @@ out: int lbs_set_scan(struct net_device *dev, struct iw_request_info *info, union iwreq_data *wrqu, char *extra) { + DECLARE_SSID_BUF(ssid); struct lbs_private *priv = dev->priv; int ret = 0; @@ -968,7 +974,7 @@ int lbs_set_scan(struct net_device *dev, struct iw_request_info *info, priv->scan_ssid_len = req->essid_len; memcpy(priv->scan_ssid, req->essid, priv->scan_ssid_len); lbs_deb_wext("set_scan, essid '%s'\n", - escape_essid(priv->scan_ssid, priv->scan_ssid_len)); + print_ssid(ssid, priv->scan_ssid, priv->scan_ssid_len)); } else { priv->scan_ssid_len = 0; } @@ -1151,7 +1157,6 @@ static int lbs_ret_80211_scan(struct lbs_private *priv, unsigned long dummy, struct bss_descriptor new; struct bss_descriptor *found = NULL; struct bss_descriptor *oldest = NULL; - DECLARE_MAC_BUF(mac); /* Process the data fields and IEs returned for this BSS */ memset(&new, 0, sizeof (struct bss_descriptor)); @@ -1190,7 +1195,7 @@ static int lbs_ret_80211_scan(struct lbs_private *priv, unsigned long dummy, continue; } - lbs_deb_scan("SCAN_RESP: BSSID %s\n", print_mac(mac, new.bssid)); + lbs_deb_scan("SCAN_RESP: BSSID %pM\n", new.bssid); /* Copy the locally created newbssentry to the scan table */ memcpy(found, &new, offsetof(struct bss_descriptor, list)); |