![Javier Cardona](/assets/img/avatar_default.png)
Implemented rate adaptation support via 'iwconfig rate' API. It is now possible to specify a bit-rate value and append 'auto'. That will configure rate adaptation to use all bit-rates equal or lower than than selected value. Made lbs_cmd_802_11_rate_adapt_rateset a direct command. Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org> Acked-by: Dan Williams <dcbw@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
1916 lines
52 KiB
C
1916 lines
52 KiB
C
/* Copyright (C) 2006, Red Hat, Inc. */
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#include <linux/etherdevice.h>
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#include "assoc.h"
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#include "decl.h"
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#include "host.h"
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#include "scan.h"
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#include "cmd.h"
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static const u8 bssid_any[ETH_ALEN] __attribute__ ((aligned (2))) =
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{ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
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static const u8 bssid_off[ETH_ALEN] __attribute__ ((aligned (2))) =
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
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/* The firmware needs certain bits masked out of the beacon-derviced capability
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* field when associating/joining to BSSs.
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*/
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#define CAPINFO_MASK (~(0xda00))
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/**
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* @brief Associate to a specific BSS discovered in a scan
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*
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* @param priv A pointer to struct lbs_private structure
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* @param pbssdesc Pointer to the BSS descriptor to associate with.
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*
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* @return 0-success, otherwise fail
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*/
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static int lbs_associate(struct lbs_private *priv,
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struct assoc_request *assoc_req)
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{
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int ret;
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lbs_deb_enter(LBS_DEB_ASSOC);
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ret = lbs_prepare_and_send_command(priv, CMD_802_11_AUTHENTICATE,
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0, CMD_OPTION_WAITFORRSP,
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0, assoc_req->bss.bssid);
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if (ret)
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goto done;
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/* set preamble to firmware */
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if ((priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) &&
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(assoc_req->bss.capability & WLAN_CAPABILITY_SHORT_PREAMBLE))
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priv->preamble = CMD_TYPE_SHORT_PREAMBLE;
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else
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priv->preamble = CMD_TYPE_LONG_PREAMBLE;
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lbs_set_radio_control(priv);
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ret = lbs_prepare_and_send_command(priv, CMD_802_11_ASSOCIATE,
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0, CMD_OPTION_WAITFORRSP, 0, assoc_req);
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done:
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lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
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return ret;
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}
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/**
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* @brief Join an adhoc network found in a previous scan
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*
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* @param priv A pointer to struct lbs_private structure
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* @param pbssdesc Pointer to a BSS descriptor found in a previous scan
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* to attempt to join
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*
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* @return 0--success, -1--fail
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*/
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static int lbs_join_adhoc_network(struct lbs_private *priv,
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struct assoc_request *assoc_req)
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{
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struct bss_descriptor *bss = &assoc_req->bss;
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int ret = 0;
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lbs_deb_join("current SSID '%s', ssid length %u\n",
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escape_essid(priv->curbssparams.ssid,
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priv->curbssparams.ssid_len),
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priv->curbssparams.ssid_len);
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lbs_deb_join("requested ssid '%s', ssid length %u\n",
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escape_essid(bss->ssid, bss->ssid_len),
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bss->ssid_len);
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/* check if the requested SSID is already joined */
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if (priv->curbssparams.ssid_len &&
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!lbs_ssid_cmp(priv->curbssparams.ssid,
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priv->curbssparams.ssid_len,
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bss->ssid, bss->ssid_len) &&
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(priv->mode == IW_MODE_ADHOC) &&
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(priv->connect_status == LBS_CONNECTED)) {
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union iwreq_data wrqu;
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lbs_deb_join("ADHOC_J_CMD: New ad-hoc SSID is the same as "
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"current, not attempting to re-join");
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/* Send the re-association event though, because the association
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* request really was successful, even if just a null-op.
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*/
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memset(&wrqu, 0, sizeof(wrqu));
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memcpy(wrqu.ap_addr.sa_data, priv->curbssparams.bssid,
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ETH_ALEN);
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wrqu.ap_addr.sa_family = ARPHRD_ETHER;
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wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
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goto out;
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}
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/* Use shortpreamble only when both creator and card supports
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short preamble */
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if (!(bss->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) ||
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!(priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)) {
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lbs_deb_join("AdhocJoin: Long preamble\n");
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priv->preamble = CMD_TYPE_LONG_PREAMBLE;
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} else {
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lbs_deb_join("AdhocJoin: Short preamble\n");
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priv->preamble = CMD_TYPE_SHORT_PREAMBLE;
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}
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lbs_set_radio_control(priv);
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lbs_deb_join("AdhocJoin: channel = %d\n", assoc_req->channel);
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lbs_deb_join("AdhocJoin: band = %c\n", assoc_req->band);
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priv->adhoccreate = 0;
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ret = lbs_prepare_and_send_command(priv, CMD_802_11_AD_HOC_JOIN,
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0, CMD_OPTION_WAITFORRSP,
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OID_802_11_SSID, assoc_req);
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out:
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return ret;
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}
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/**
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* @brief Start an Adhoc Network
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*
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* @param priv A pointer to struct lbs_private structure
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* @param adhocssid The ssid of the Adhoc Network
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* @return 0--success, -1--fail
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*/
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static int lbs_start_adhoc_network(struct lbs_private *priv,
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struct assoc_request *assoc_req)
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{
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int ret = 0;
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priv->adhoccreate = 1;
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if (priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) {
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lbs_deb_join("AdhocStart: Short preamble\n");
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priv->preamble = CMD_TYPE_SHORT_PREAMBLE;
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} else {
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lbs_deb_join("AdhocStart: Long preamble\n");
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priv->preamble = CMD_TYPE_LONG_PREAMBLE;
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}
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lbs_set_radio_control(priv);
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lbs_deb_join("AdhocStart: channel = %d\n", assoc_req->channel);
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lbs_deb_join("AdhocStart: band = %d\n", assoc_req->band);
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ret = lbs_prepare_and_send_command(priv, CMD_802_11_AD_HOC_START,
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0, CMD_OPTION_WAITFORRSP, 0, assoc_req);
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return ret;
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}
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int lbs_stop_adhoc_network(struct lbs_private *priv)
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{
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return lbs_prepare_and_send_command(priv, CMD_802_11_AD_HOC_STOP,
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0, CMD_OPTION_WAITFORRSP, 0, NULL);
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}
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static inline int match_bss_no_security(struct lbs_802_11_security *secinfo,
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struct bss_descriptor *match_bss)
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{
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if (!secinfo->wep_enabled && !secinfo->WPAenabled
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&& !secinfo->WPA2enabled
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&& match_bss->wpa_ie[0] != MFIE_TYPE_GENERIC
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&& match_bss->rsn_ie[0] != MFIE_TYPE_RSN
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&& !(match_bss->capability & WLAN_CAPABILITY_PRIVACY))
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return 1;
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else
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return 0;
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}
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static inline int match_bss_static_wep(struct lbs_802_11_security *secinfo,
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struct bss_descriptor *match_bss)
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{
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if (secinfo->wep_enabled && !secinfo->WPAenabled
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&& !secinfo->WPA2enabled
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&& (match_bss->capability & WLAN_CAPABILITY_PRIVACY))
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return 1;
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else
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return 0;
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}
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static inline int match_bss_wpa(struct lbs_802_11_security *secinfo,
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struct bss_descriptor *match_bss)
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{
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if (!secinfo->wep_enabled && secinfo->WPAenabled
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&& (match_bss->wpa_ie[0] == MFIE_TYPE_GENERIC)
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/* privacy bit may NOT be set in some APs like LinkSys WRT54G
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&& (match_bss->capability & WLAN_CAPABILITY_PRIVACY) */
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)
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return 1;
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else
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return 0;
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}
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static inline int match_bss_wpa2(struct lbs_802_11_security *secinfo,
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struct bss_descriptor *match_bss)
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{
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if (!secinfo->wep_enabled && secinfo->WPA2enabled &&
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(match_bss->rsn_ie[0] == MFIE_TYPE_RSN)
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/* privacy bit may NOT be set in some APs like LinkSys WRT54G
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(match_bss->capability & WLAN_CAPABILITY_PRIVACY) */
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)
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return 1;
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else
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return 0;
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}
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static inline int match_bss_dynamic_wep(struct lbs_802_11_security *secinfo,
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struct bss_descriptor *match_bss)
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{
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if (!secinfo->wep_enabled && !secinfo->WPAenabled
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&& !secinfo->WPA2enabled
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&& (match_bss->wpa_ie[0] != MFIE_TYPE_GENERIC)
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&& (match_bss->rsn_ie[0] != MFIE_TYPE_RSN)
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&& (match_bss->capability & WLAN_CAPABILITY_PRIVACY))
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return 1;
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else
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return 0;
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}
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/**
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* @brief Check if a scanned network compatible with the driver settings
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*
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* WEP WPA WPA2 ad-hoc encrypt Network
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* enabled enabled enabled AES mode privacy WPA WPA2 Compatible
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* 0 0 0 0 NONE 0 0 0 yes No security
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* 1 0 0 0 NONE 1 0 0 yes Static WEP
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* 0 1 0 0 x 1x 1 x yes WPA
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* 0 0 1 0 x 1x x 1 yes WPA2
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* 0 0 0 1 NONE 1 0 0 yes Ad-hoc AES
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* 0 0 0 0 !=NONE 1 0 0 yes Dynamic WEP
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*
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*
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* @param priv A pointer to struct lbs_private
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* @param index Index in scantable to check against current driver settings
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* @param mode Network mode: Infrastructure or IBSS
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*
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* @return Index in scantable, or error code if negative
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*/
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static int is_network_compatible(struct lbs_private *priv,
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struct bss_descriptor *bss, uint8_t mode)
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{
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int matched = 0;
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lbs_deb_enter(LBS_DEB_SCAN);
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if (bss->mode != mode)
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goto done;
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matched = match_bss_no_security(&priv->secinfo, bss);
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if (matched)
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goto done;
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matched = match_bss_static_wep(&priv->secinfo, bss);
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if (matched)
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goto done;
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matched = match_bss_wpa(&priv->secinfo, bss);
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if (matched) {
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lbs_deb_scan("is_network_compatible() WPA: wpa_ie 0x%x "
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"wpa2_ie 0x%x WEP %s WPA %s WPA2 %s "
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"privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0],
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priv->secinfo.wep_enabled ? "e" : "d",
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priv->secinfo.WPAenabled ? "e" : "d",
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priv->secinfo.WPA2enabled ? "e" : "d",
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(bss->capability & WLAN_CAPABILITY_PRIVACY));
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goto done;
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}
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matched = match_bss_wpa2(&priv->secinfo, bss);
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if (matched) {
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lbs_deb_scan("is_network_compatible() WPA2: wpa_ie 0x%x "
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"wpa2_ie 0x%x WEP %s WPA %s WPA2 %s "
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"privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0],
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priv->secinfo.wep_enabled ? "e" : "d",
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priv->secinfo.WPAenabled ? "e" : "d",
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priv->secinfo.WPA2enabled ? "e" : "d",
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(bss->capability & WLAN_CAPABILITY_PRIVACY));
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goto done;
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}
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matched = match_bss_dynamic_wep(&priv->secinfo, bss);
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if (matched) {
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lbs_deb_scan("is_network_compatible() dynamic WEP: "
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"wpa_ie 0x%x wpa2_ie 0x%x privacy 0x%x\n",
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bss->wpa_ie[0], bss->rsn_ie[0],
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(bss->capability & WLAN_CAPABILITY_PRIVACY));
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goto done;
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}
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/* bss security settings don't match those configured on card */
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lbs_deb_scan("is_network_compatible() FAILED: wpa_ie 0x%x "
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"wpa2_ie 0x%x WEP %s WPA %s WPA2 %s privacy 0x%x\n",
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bss->wpa_ie[0], bss->rsn_ie[0],
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priv->secinfo.wep_enabled ? "e" : "d",
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priv->secinfo.WPAenabled ? "e" : "d",
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priv->secinfo.WPA2enabled ? "e" : "d",
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(bss->capability & WLAN_CAPABILITY_PRIVACY));
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done:
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lbs_deb_leave_args(LBS_DEB_SCAN, "matched: %d", matched);
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return matched;
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}
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/**
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* @brief This function finds a specific compatible BSSID in the scan list
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*
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* Used in association code
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*
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* @param priv A pointer to struct lbs_private
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* @param bssid BSSID to find in the scan list
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* @param mode Network mode: Infrastructure or IBSS
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*
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* @return index in BSSID list, or error return code (< 0)
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*/
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static struct bss_descriptor *lbs_find_bssid_in_list(struct lbs_private *priv,
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uint8_t *bssid, uint8_t mode)
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{
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struct bss_descriptor *iter_bss;
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struct bss_descriptor *found_bss = NULL;
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lbs_deb_enter(LBS_DEB_SCAN);
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if (!bssid)
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goto out;
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lbs_deb_hex(LBS_DEB_SCAN, "looking for", bssid, ETH_ALEN);
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/* Look through the scan table for a compatible match. The loop will
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* continue past a matched bssid that is not compatible in case there
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* is an AP with multiple SSIDs assigned to the same BSSID
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*/
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mutex_lock(&priv->lock);
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list_for_each_entry(iter_bss, &priv->network_list, list) {
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if (compare_ether_addr(iter_bss->bssid, bssid))
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continue; /* bssid doesn't match */
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switch (mode) {
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case IW_MODE_INFRA:
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case IW_MODE_ADHOC:
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if (!is_network_compatible(priv, iter_bss, mode))
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break;
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found_bss = iter_bss;
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break;
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default:
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found_bss = iter_bss;
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break;
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}
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}
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mutex_unlock(&priv->lock);
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out:
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lbs_deb_leave_args(LBS_DEB_SCAN, "found_bss %p", found_bss);
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return found_bss;
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}
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/**
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* @brief This function finds ssid in ssid list.
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*
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* Used in association code
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*
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* @param priv A pointer to struct lbs_private
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* @param ssid SSID to find in the list
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* @param bssid BSSID to qualify the SSID selection (if provided)
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* @param mode Network mode: Infrastructure or IBSS
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*
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* @return index in BSSID list
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*/
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static struct bss_descriptor *lbs_find_ssid_in_list(struct lbs_private *priv,
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uint8_t *ssid, uint8_t ssid_len,
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uint8_t *bssid, uint8_t mode,
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int channel)
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{
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u32 bestrssi = 0;
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struct bss_descriptor *iter_bss = NULL;
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struct bss_descriptor *found_bss = NULL;
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struct bss_descriptor *tmp_oldest = NULL;
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lbs_deb_enter(LBS_DEB_SCAN);
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mutex_lock(&priv->lock);
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list_for_each_entry(iter_bss, &priv->network_list, list) {
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if (!tmp_oldest ||
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(iter_bss->last_scanned < tmp_oldest->last_scanned))
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tmp_oldest = iter_bss;
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if (lbs_ssid_cmp(iter_bss->ssid, iter_bss->ssid_len,
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ssid, ssid_len) != 0)
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continue; /* ssid doesn't match */
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if (bssid && compare_ether_addr(iter_bss->bssid, bssid) != 0)
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continue; /* bssid doesn't match */
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if ((channel > 0) && (iter_bss->channel != channel))
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continue; /* channel doesn't match */
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switch (mode) {
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case IW_MODE_INFRA:
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case IW_MODE_ADHOC:
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if (!is_network_compatible(priv, iter_bss, mode))
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break;
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if (bssid) {
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/* Found requested BSSID */
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found_bss = iter_bss;
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goto out;
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}
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if (SCAN_RSSI(iter_bss->rssi) > bestrssi) {
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bestrssi = SCAN_RSSI(iter_bss->rssi);
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found_bss = iter_bss;
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}
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break;
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case IW_MODE_AUTO:
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default:
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if (SCAN_RSSI(iter_bss->rssi) > bestrssi) {
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bestrssi = SCAN_RSSI(iter_bss->rssi);
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found_bss = iter_bss;
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}
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break;
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}
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}
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out:
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mutex_unlock(&priv->lock);
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lbs_deb_leave_args(LBS_DEB_SCAN, "found_bss %p", found_bss);
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return found_bss;
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}
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|
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static int assoc_helper_essid(struct lbs_private *priv,
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struct assoc_request * assoc_req)
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{
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int ret = 0;
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struct bss_descriptor * bss;
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int channel = -1;
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|
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lbs_deb_enter(LBS_DEB_ASSOC);
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|
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/* FIXME: take channel into account when picking SSIDs if a channel
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* is set.
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*/
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if (test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags))
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channel = assoc_req->channel;
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lbs_deb_assoc("SSID '%s' requested\n",
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escape_essid(assoc_req->ssid, assoc_req->ssid_len));
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if (assoc_req->mode == IW_MODE_INFRA) {
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lbs_send_specific_ssid_scan(priv, assoc_req->ssid,
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assoc_req->ssid_len);
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|
|
|
bss = lbs_find_ssid_in_list(priv, assoc_req->ssid,
|
|
assoc_req->ssid_len, NULL, IW_MODE_INFRA, channel);
|
|
if (bss != NULL) {
|
|
memcpy(&assoc_req->bss, bss, sizeof(struct bss_descriptor));
|
|
ret = lbs_associate(priv, assoc_req);
|
|
} else {
|
|
lbs_deb_assoc("SSID not found; cannot associate\n");
|
|
}
|
|
} else if (assoc_req->mode == IW_MODE_ADHOC) {
|
|
/* Scan for the network, do not save previous results. Stale
|
|
* scan data will cause us to join a non-existant adhoc network
|
|
*/
|
|
lbs_send_specific_ssid_scan(priv, assoc_req->ssid,
|
|
assoc_req->ssid_len);
|
|
|
|
/* Search for the requested SSID in the scan table */
|
|
bss = lbs_find_ssid_in_list(priv, assoc_req->ssid,
|
|
assoc_req->ssid_len, NULL, IW_MODE_ADHOC, channel);
|
|
if (bss != NULL) {
|
|
lbs_deb_assoc("SSID found, will join\n");
|
|
memcpy(&assoc_req->bss, bss, sizeof(struct bss_descriptor));
|
|
lbs_join_adhoc_network(priv, assoc_req);
|
|
} else {
|
|
/* else send START command */
|
|
lbs_deb_assoc("SSID not found, creating adhoc network\n");
|
|
memcpy(&assoc_req->bss.ssid, &assoc_req->ssid,
|
|
IW_ESSID_MAX_SIZE);
|
|
assoc_req->bss.ssid_len = assoc_req->ssid_len;
|
|
lbs_start_adhoc_network(priv, assoc_req);
|
|
}
|
|
}
|
|
|
|
lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int assoc_helper_bssid(struct lbs_private *priv,
|
|
struct assoc_request * assoc_req)
|
|
{
|
|
int ret = 0;
|
|
struct bss_descriptor * bss;
|
|
DECLARE_MAC_BUF(mac);
|
|
|
|
lbs_deb_enter_args(LBS_DEB_ASSOC, "BSSID %s",
|
|
print_mac(mac, assoc_req->bssid));
|
|
|
|
/* Search for index position in list for requested MAC */
|
|
bss = lbs_find_bssid_in_list(priv, assoc_req->bssid,
|
|
assoc_req->mode);
|
|
if (bss == NULL) {
|
|
lbs_deb_assoc("ASSOC: WAP: BSSID %s not found, "
|
|
"cannot associate.\n", print_mac(mac, assoc_req->bssid));
|
|
goto out;
|
|
}
|
|
|
|
memcpy(&assoc_req->bss, bss, sizeof(struct bss_descriptor));
|
|
if (assoc_req->mode == IW_MODE_INFRA) {
|
|
ret = lbs_associate(priv, assoc_req);
|
|
lbs_deb_assoc("ASSOC: lbs_associate(bssid) returned %d\n", ret);
|
|
} else if (assoc_req->mode == IW_MODE_ADHOC) {
|
|
lbs_join_adhoc_network(priv, assoc_req);
|
|
}
|
|
|
|
out:
|
|
lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int assoc_helper_associate(struct lbs_private *priv,
|
|
struct assoc_request * assoc_req)
|
|
{
|
|
int ret = 0, done = 0;
|
|
|
|
lbs_deb_enter(LBS_DEB_ASSOC);
|
|
|
|
/* If we're given and 'any' BSSID, try associating based on SSID */
|
|
|
|
if (test_bit(ASSOC_FLAG_BSSID, &assoc_req->flags)) {
|
|
if (compare_ether_addr(bssid_any, assoc_req->bssid)
|
|
&& compare_ether_addr(bssid_off, assoc_req->bssid)) {
|
|
ret = assoc_helper_bssid(priv, assoc_req);
|
|
done = 1;
|
|
}
|
|
}
|
|
|
|
if (!done && test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)) {
|
|
ret = assoc_helper_essid(priv, assoc_req);
|
|
}
|
|
|
|
lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int assoc_helper_mode(struct lbs_private *priv,
|
|
struct assoc_request * assoc_req)
|
|
{
|
|
int ret = 0;
|
|
|
|
lbs_deb_enter(LBS_DEB_ASSOC);
|
|
|
|
if (assoc_req->mode == priv->mode)
|
|
goto done;
|
|
|
|
if (assoc_req->mode == IW_MODE_INFRA) {
|
|
if (priv->psstate != PS_STATE_FULL_POWER)
|
|
lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP);
|
|
priv->psmode = LBS802_11POWERMODECAM;
|
|
}
|
|
|
|
priv->mode = assoc_req->mode;
|
|
ret = lbs_prepare_and_send_command(priv,
|
|
CMD_802_11_SNMP_MIB,
|
|
0, CMD_OPTION_WAITFORRSP,
|
|
OID_802_11_INFRASTRUCTURE_MODE,
|
|
/* Shoot me now */ (void *) (size_t) assoc_req->mode);
|
|
|
|
done:
|
|
lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
static int assoc_helper_channel(struct lbs_private *priv,
|
|
struct assoc_request * assoc_req)
|
|
{
|
|
int ret = 0;
|
|
|
|
lbs_deb_enter(LBS_DEB_ASSOC);
|
|
|
|
ret = lbs_update_channel(priv);
|
|
if (ret) {
|
|
lbs_deb_assoc("ASSOC: channel: error getting channel.\n");
|
|
goto done;
|
|
}
|
|
|
|
if (assoc_req->channel == priv->curbssparams.channel)
|
|
goto done;
|
|
|
|
if (priv->mesh_dev) {
|
|
/* Change mesh channel first; 21.p21 firmware won't let
|
|
you change channel otherwise (even though it'll return
|
|
an error to this */
|
|
lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_STOP,
|
|
assoc_req->channel);
|
|
}
|
|
|
|
lbs_deb_assoc("ASSOC: channel: %d -> %d\n",
|
|
priv->curbssparams.channel, assoc_req->channel);
|
|
|
|
ret = lbs_set_channel(priv, assoc_req->channel);
|
|
if (ret < 0)
|
|
lbs_deb_assoc("ASSOC: channel: error setting channel.\n");
|
|
|
|
/* FIXME: shouldn't need to grab the channel _again_ after setting
|
|
* it since the firmware is supposed to return the new channel, but
|
|
* whatever... */
|
|
ret = lbs_update_channel(priv);
|
|
if (ret) {
|
|
lbs_deb_assoc("ASSOC: channel: error getting channel.\n");
|
|
goto done;
|
|
}
|
|
|
|
if (assoc_req->channel != priv->curbssparams.channel) {
|
|
lbs_deb_assoc("ASSOC: channel: failed to update channel to %d\n",
|
|
assoc_req->channel);
|
|
goto restore_mesh;
|
|
}
|
|
|
|
if ( assoc_req->secinfo.wep_enabled
|
|
&& (assoc_req->wep_keys[0].len
|
|
|| assoc_req->wep_keys[1].len
|
|
|| assoc_req->wep_keys[2].len
|
|
|| assoc_req->wep_keys[3].len)) {
|
|
/* Make sure WEP keys are re-sent to firmware */
|
|
set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
|
|
}
|
|
|
|
/* Must restart/rejoin adhoc networks after channel change */
|
|
set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
|
|
|
|
restore_mesh:
|
|
if (priv->mesh_dev)
|
|
lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
|
|
priv->curbssparams.channel);
|
|
|
|
done:
|
|
lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int assoc_helper_wep_keys(struct lbs_private *priv,
|
|
struct assoc_request *assoc_req)
|
|
{
|
|
int i;
|
|
int ret = 0;
|
|
|
|
lbs_deb_enter(LBS_DEB_ASSOC);
|
|
|
|
/* Set or remove WEP keys */
|
|
if (assoc_req->wep_keys[0].len || assoc_req->wep_keys[1].len ||
|
|
assoc_req->wep_keys[2].len || assoc_req->wep_keys[3].len)
|
|
ret = lbs_cmd_802_11_set_wep(priv, CMD_ACT_ADD, assoc_req);
|
|
else
|
|
ret = lbs_cmd_802_11_set_wep(priv, CMD_ACT_REMOVE, assoc_req);
|
|
|
|
if (ret)
|
|
goto out;
|
|
|
|
/* enable/disable the MAC's WEP packet filter */
|
|
if (assoc_req->secinfo.wep_enabled)
|
|
priv->mac_control |= CMD_ACT_MAC_WEP_ENABLE;
|
|
else
|
|
priv->mac_control &= ~CMD_ACT_MAC_WEP_ENABLE;
|
|
|
|
lbs_set_mac_control(priv);
|
|
|
|
mutex_lock(&priv->lock);
|
|
|
|
/* Copy WEP keys into priv wep key fields */
|
|
for (i = 0; i < 4; i++) {
|
|
memcpy(&priv->wep_keys[i], &assoc_req->wep_keys[i],
|
|
sizeof(struct enc_key));
|
|
}
|
|
priv->wep_tx_keyidx = assoc_req->wep_tx_keyidx;
|
|
|
|
mutex_unlock(&priv->lock);
|
|
|
|
out:
|
|
lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
static int assoc_helper_secinfo(struct lbs_private *priv,
|
|
struct assoc_request * assoc_req)
|
|
{
|
|
int ret = 0;
|
|
uint16_t do_wpa;
|
|
uint16_t rsn = 0;
|
|
|
|
lbs_deb_enter(LBS_DEB_ASSOC);
|
|
|
|
memcpy(&priv->secinfo, &assoc_req->secinfo,
|
|
sizeof(struct lbs_802_11_security));
|
|
|
|
lbs_set_mac_control(priv);
|
|
|
|
/* If RSN is already enabled, don't try to enable it again, since
|
|
* ENABLE_RSN resets internal state machines and will clobber the
|
|
* 4-way WPA handshake.
|
|
*/
|
|
|
|
/* Get RSN enabled/disabled */
|
|
ret = lbs_cmd_802_11_enable_rsn(priv, CMD_ACT_GET, &rsn);
|
|
if (ret) {
|
|
lbs_deb_assoc("Failed to get RSN status: %d\n", ret);
|
|
goto out;
|
|
}
|
|
|
|
/* Don't re-enable RSN if it's already enabled */
|
|
do_wpa = assoc_req->secinfo.WPAenabled || assoc_req->secinfo.WPA2enabled;
|
|
if (do_wpa == rsn)
|
|
goto out;
|
|
|
|
/* Set RSN enabled/disabled */
|
|
ret = lbs_cmd_802_11_enable_rsn(priv, CMD_ACT_SET, &do_wpa);
|
|
|
|
out:
|
|
lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int assoc_helper_wpa_keys(struct lbs_private *priv,
|
|
struct assoc_request * assoc_req)
|
|
{
|
|
int ret = 0;
|
|
unsigned int flags = assoc_req->flags;
|
|
|
|
lbs_deb_enter(LBS_DEB_ASSOC);
|
|
|
|
/* Work around older firmware bug where WPA unicast and multicast
|
|
* keys must be set independently. Seen in SDIO parts with firmware
|
|
* version 5.0.11p0.
|
|
*/
|
|
|
|
if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
|
|
clear_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
|
|
ret = lbs_cmd_802_11_key_material(priv, CMD_ACT_SET, assoc_req);
|
|
assoc_req->flags = flags;
|
|
}
|
|
|
|
if (ret)
|
|
goto out;
|
|
|
|
if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
|
|
clear_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
|
|
|
|
ret = lbs_cmd_802_11_key_material(priv, CMD_ACT_SET, assoc_req);
|
|
assoc_req->flags = flags;
|
|
}
|
|
|
|
out:
|
|
lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int assoc_helper_wpa_ie(struct lbs_private *priv,
|
|
struct assoc_request * assoc_req)
|
|
{
|
|
int ret = 0;
|
|
|
|
lbs_deb_enter(LBS_DEB_ASSOC);
|
|
|
|
if (assoc_req->secinfo.WPAenabled || assoc_req->secinfo.WPA2enabled) {
|
|
memcpy(&priv->wpa_ie, &assoc_req->wpa_ie, assoc_req->wpa_ie_len);
|
|
priv->wpa_ie_len = assoc_req->wpa_ie_len;
|
|
} else {
|
|
memset(&priv->wpa_ie, 0, MAX_WPA_IE_LEN);
|
|
priv->wpa_ie_len = 0;
|
|
}
|
|
|
|
lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int should_deauth_infrastructure(struct lbs_private *priv,
|
|
struct assoc_request * assoc_req)
|
|
{
|
|
int ret = 0;
|
|
|
|
if (priv->connect_status != LBS_CONNECTED)
|
|
return 0;
|
|
|
|
lbs_deb_enter(LBS_DEB_ASSOC);
|
|
if (test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)) {
|
|
lbs_deb_assoc("Deauthenticating due to new SSID\n");
|
|
ret = 1;
|
|
goto out;
|
|
}
|
|
|
|
if (test_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags)) {
|
|
if (priv->secinfo.auth_mode != assoc_req->secinfo.auth_mode) {
|
|
lbs_deb_assoc("Deauthenticating due to new security\n");
|
|
ret = 1;
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
if (test_bit(ASSOC_FLAG_BSSID, &assoc_req->flags)) {
|
|
lbs_deb_assoc("Deauthenticating due to new BSSID\n");
|
|
ret = 1;
|
|
goto out;
|
|
}
|
|
|
|
if (test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags)) {
|
|
lbs_deb_assoc("Deauthenticating due to channel switch\n");
|
|
ret = 1;
|
|
goto out;
|
|
}
|
|
|
|
/* FIXME: deal with 'auto' mode somehow */
|
|
if (test_bit(ASSOC_FLAG_MODE, &assoc_req->flags)) {
|
|
if (assoc_req->mode != IW_MODE_INFRA) {
|
|
lbs_deb_assoc("Deauthenticating due to leaving "
|
|
"infra mode\n");
|
|
ret = 1;
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
out:
|
|
lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int should_stop_adhoc(struct lbs_private *priv,
|
|
struct assoc_request * assoc_req)
|
|
{
|
|
lbs_deb_enter(LBS_DEB_ASSOC);
|
|
|
|
if (priv->connect_status != LBS_CONNECTED)
|
|
return 0;
|
|
|
|
if (lbs_ssid_cmp(priv->curbssparams.ssid,
|
|
priv->curbssparams.ssid_len,
|
|
assoc_req->ssid, assoc_req->ssid_len) != 0)
|
|
return 1;
|
|
|
|
/* FIXME: deal with 'auto' mode somehow */
|
|
if (test_bit(ASSOC_FLAG_MODE, &assoc_req->flags)) {
|
|
if (assoc_req->mode != IW_MODE_ADHOC)
|
|
return 1;
|
|
}
|
|
|
|
if (test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags)) {
|
|
if (assoc_req->channel != priv->curbssparams.channel)
|
|
return 1;
|
|
}
|
|
|
|
lbs_deb_leave(LBS_DEB_ASSOC);
|
|
return 0;
|
|
}
|
|
|
|
|
|
/**
|
|
* @brief This function finds the best SSID in the Scan List
|
|
*
|
|
* Search the scan table for the best SSID that also matches the current
|
|
* adapter network preference (infrastructure or adhoc)
|
|
*
|
|
* @param priv A pointer to struct lbs_private
|
|
*
|
|
* @return index in BSSID list
|
|
*/
|
|
static struct bss_descriptor *lbs_find_best_ssid_in_list(
|
|
struct lbs_private *priv, uint8_t mode)
|
|
{
|
|
uint8_t bestrssi = 0;
|
|
struct bss_descriptor *iter_bss;
|
|
struct bss_descriptor *best_bss = NULL;
|
|
|
|
lbs_deb_enter(LBS_DEB_SCAN);
|
|
|
|
mutex_lock(&priv->lock);
|
|
|
|
list_for_each_entry(iter_bss, &priv->network_list, list) {
|
|
switch (mode) {
|
|
case IW_MODE_INFRA:
|
|
case IW_MODE_ADHOC:
|
|
if (!is_network_compatible(priv, iter_bss, mode))
|
|
break;
|
|
if (SCAN_RSSI(iter_bss->rssi) <= bestrssi)
|
|
break;
|
|
bestrssi = SCAN_RSSI(iter_bss->rssi);
|
|
best_bss = iter_bss;
|
|
break;
|
|
case IW_MODE_AUTO:
|
|
default:
|
|
if (SCAN_RSSI(iter_bss->rssi) <= bestrssi)
|
|
break;
|
|
bestrssi = SCAN_RSSI(iter_bss->rssi);
|
|
best_bss = iter_bss;
|
|
break;
|
|
}
|
|
}
|
|
|
|
mutex_unlock(&priv->lock);
|
|
lbs_deb_leave_args(LBS_DEB_SCAN, "best_bss %p", best_bss);
|
|
return best_bss;
|
|
}
|
|
|
|
/**
|
|
* @brief Find the best AP
|
|
*
|
|
* Used from association worker.
|
|
*
|
|
* @param priv A pointer to struct lbs_private structure
|
|
* @param pSSID A pointer to AP's ssid
|
|
*
|
|
* @return 0--success, otherwise--fail
|
|
*/
|
|
static int lbs_find_best_network_ssid(struct lbs_private *priv,
|
|
uint8_t *out_ssid, uint8_t *out_ssid_len, uint8_t preferred_mode,
|
|
uint8_t *out_mode)
|
|
{
|
|
int ret = -1;
|
|
struct bss_descriptor *found;
|
|
|
|
lbs_deb_enter(LBS_DEB_SCAN);
|
|
|
|
priv->scan_ssid_len = 0;
|
|
lbs_scan_networks(priv, 1);
|
|
if (priv->surpriseremoved)
|
|
goto out;
|
|
|
|
found = lbs_find_best_ssid_in_list(priv, preferred_mode);
|
|
if (found && (found->ssid_len > 0)) {
|
|
memcpy(out_ssid, &found->ssid, IW_ESSID_MAX_SIZE);
|
|
*out_ssid_len = found->ssid_len;
|
|
*out_mode = found->mode;
|
|
ret = 0;
|
|
}
|
|
|
|
out:
|
|
lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
|
|
void lbs_association_worker(struct work_struct *work)
|
|
{
|
|
struct lbs_private *priv = container_of(work, struct lbs_private,
|
|
assoc_work.work);
|
|
struct assoc_request * assoc_req = NULL;
|
|
int ret = 0;
|
|
int find_any_ssid = 0;
|
|
DECLARE_MAC_BUF(mac);
|
|
|
|
lbs_deb_enter(LBS_DEB_ASSOC);
|
|
|
|
mutex_lock(&priv->lock);
|
|
assoc_req = priv->pending_assoc_req;
|
|
priv->pending_assoc_req = NULL;
|
|
priv->in_progress_assoc_req = assoc_req;
|
|
mutex_unlock(&priv->lock);
|
|
|
|
if (!assoc_req)
|
|
goto done;
|
|
|
|
lbs_deb_assoc(
|
|
"Association Request:\n"
|
|
" flags: 0x%08lx\n"
|
|
" SSID: '%s'\n"
|
|
" chann: %d\n"
|
|
" band: %d\n"
|
|
" mode: %d\n"
|
|
" BSSID: %s\n"
|
|
" secinfo: %s%s%s\n"
|
|
" auth_mode: %d\n",
|
|
assoc_req->flags,
|
|
escape_essid(assoc_req->ssid, assoc_req->ssid_len),
|
|
assoc_req->channel, assoc_req->band, assoc_req->mode,
|
|
print_mac(mac, assoc_req->bssid),
|
|
assoc_req->secinfo.WPAenabled ? " WPA" : "",
|
|
assoc_req->secinfo.WPA2enabled ? " WPA2" : "",
|
|
assoc_req->secinfo.wep_enabled ? " WEP" : "",
|
|
assoc_req->secinfo.auth_mode);
|
|
|
|
/* If 'any' SSID was specified, find an SSID to associate with */
|
|
if (test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)
|
|
&& !assoc_req->ssid_len)
|
|
find_any_ssid = 1;
|
|
|
|
/* But don't use 'any' SSID if there's a valid locked BSSID to use */
|
|
if (test_bit(ASSOC_FLAG_BSSID, &assoc_req->flags)) {
|
|
if (compare_ether_addr(assoc_req->bssid, bssid_any)
|
|
&& compare_ether_addr(assoc_req->bssid, bssid_off))
|
|
find_any_ssid = 0;
|
|
}
|
|
|
|
if (find_any_ssid) {
|
|
u8 new_mode = assoc_req->mode;
|
|
|
|
ret = lbs_find_best_network_ssid(priv, assoc_req->ssid,
|
|
&assoc_req->ssid_len, assoc_req->mode, &new_mode);
|
|
if (ret) {
|
|
lbs_deb_assoc("Could not find best network\n");
|
|
ret = -ENETUNREACH;
|
|
goto out;
|
|
}
|
|
|
|
/* Ensure we switch to the mode of the AP */
|
|
if (assoc_req->mode == IW_MODE_AUTO) {
|
|
set_bit(ASSOC_FLAG_MODE, &assoc_req->flags);
|
|
assoc_req->mode = new_mode;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Check if the attributes being changing require deauthentication
|
|
* from the currently associated infrastructure access point.
|
|
*/
|
|
if (priv->mode == IW_MODE_INFRA) {
|
|
if (should_deauth_infrastructure(priv, assoc_req)) {
|
|
ret = lbs_send_deauthentication(priv);
|
|
if (ret) {
|
|
lbs_deb_assoc("Deauthentication due to new "
|
|
"configuration request failed: %d\n",
|
|
ret);
|
|
}
|
|
}
|
|
} else if (priv->mode == IW_MODE_ADHOC) {
|
|
if (should_stop_adhoc(priv, assoc_req)) {
|
|
ret = lbs_stop_adhoc_network(priv);
|
|
if (ret) {
|
|
lbs_deb_assoc("Teardown of AdHoc network due to "
|
|
"new configuration request failed: %d\n",
|
|
ret);
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
/* Send the various configuration bits to the firmware */
|
|
if (test_bit(ASSOC_FLAG_MODE, &assoc_req->flags)) {
|
|
ret = assoc_helper_mode(priv, assoc_req);
|
|
if (ret)
|
|
goto out;
|
|
}
|
|
|
|
if (test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags)) {
|
|
ret = assoc_helper_channel(priv, assoc_req);
|
|
if (ret)
|
|
goto out;
|
|
}
|
|
|
|
if ( test_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags)
|
|
|| test_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags)) {
|
|
ret = assoc_helper_wep_keys(priv, assoc_req);
|
|
if (ret)
|
|
goto out;
|
|
}
|
|
|
|
if (test_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags)) {
|
|
ret = assoc_helper_secinfo(priv, assoc_req);
|
|
if (ret)
|
|
goto out;
|
|
}
|
|
|
|
if (test_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags)) {
|
|
ret = assoc_helper_wpa_ie(priv, assoc_req);
|
|
if (ret)
|
|
goto out;
|
|
}
|
|
|
|
if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)
|
|
|| test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
|
|
ret = assoc_helper_wpa_keys(priv, assoc_req);
|
|
if (ret)
|
|
goto out;
|
|
}
|
|
|
|
/* SSID/BSSID should be the _last_ config option set, because they
|
|
* trigger the association attempt.
|
|
*/
|
|
if (test_bit(ASSOC_FLAG_BSSID, &assoc_req->flags)
|
|
|| test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)) {
|
|
int success = 1;
|
|
|
|
ret = assoc_helper_associate(priv, assoc_req);
|
|
if (ret) {
|
|
lbs_deb_assoc("ASSOC: association unsuccessful: %d\n",
|
|
ret);
|
|
success = 0;
|
|
}
|
|
|
|
if (priv->connect_status != LBS_CONNECTED) {
|
|
lbs_deb_assoc("ASSOC: association unsuccessful, "
|
|
"not connected\n");
|
|
success = 0;
|
|
}
|
|
|
|
if (success) {
|
|
lbs_deb_assoc("associated to %s\n",
|
|
print_mac(mac, priv->curbssparams.bssid));
|
|
lbs_prepare_and_send_command(priv,
|
|
CMD_802_11_RSSI,
|
|
0, CMD_OPTION_WAITFORRSP, 0, NULL);
|
|
} else {
|
|
ret = -1;
|
|
}
|
|
}
|
|
|
|
out:
|
|
if (ret) {
|
|
lbs_deb_assoc("ASSOC: reconfiguration attempt unsuccessful: %d\n",
|
|
ret);
|
|
}
|
|
|
|
mutex_lock(&priv->lock);
|
|
priv->in_progress_assoc_req = NULL;
|
|
mutex_unlock(&priv->lock);
|
|
kfree(assoc_req);
|
|
|
|
done:
|
|
lbs_deb_leave(LBS_DEB_ASSOC);
|
|
}
|
|
|
|
|
|
/*
|
|
* Caller MUST hold any necessary locks
|
|
*/
|
|
struct assoc_request *lbs_get_association_request(struct lbs_private *priv)
|
|
{
|
|
struct assoc_request * assoc_req;
|
|
|
|
lbs_deb_enter(LBS_DEB_ASSOC);
|
|
if (!priv->pending_assoc_req) {
|
|
priv->pending_assoc_req = kzalloc(sizeof(struct assoc_request),
|
|
GFP_KERNEL);
|
|
if (!priv->pending_assoc_req) {
|
|
lbs_pr_info("Not enough memory to allocate association"
|
|
" request!\n");
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
/* Copy current configuration attributes to the association request,
|
|
* but don't overwrite any that are already set.
|
|
*/
|
|
assoc_req = priv->pending_assoc_req;
|
|
if (!test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)) {
|
|
memcpy(&assoc_req->ssid, &priv->curbssparams.ssid,
|
|
IW_ESSID_MAX_SIZE);
|
|
assoc_req->ssid_len = priv->curbssparams.ssid_len;
|
|
}
|
|
|
|
if (!test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags))
|
|
assoc_req->channel = priv->curbssparams.channel;
|
|
|
|
if (!test_bit(ASSOC_FLAG_BAND, &assoc_req->flags))
|
|
assoc_req->band = priv->curbssparams.band;
|
|
|
|
if (!test_bit(ASSOC_FLAG_MODE, &assoc_req->flags))
|
|
assoc_req->mode = priv->mode;
|
|
|
|
if (!test_bit(ASSOC_FLAG_BSSID, &assoc_req->flags)) {
|
|
memcpy(&assoc_req->bssid, priv->curbssparams.bssid,
|
|
ETH_ALEN);
|
|
}
|
|
|
|
if (!test_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags)) {
|
|
int i;
|
|
for (i = 0; i < 4; i++) {
|
|
memcpy(&assoc_req->wep_keys[i], &priv->wep_keys[i],
|
|
sizeof(struct enc_key));
|
|
}
|
|
}
|
|
|
|
if (!test_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags))
|
|
assoc_req->wep_tx_keyidx = priv->wep_tx_keyidx;
|
|
|
|
if (!test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
|
|
memcpy(&assoc_req->wpa_mcast_key, &priv->wpa_mcast_key,
|
|
sizeof(struct enc_key));
|
|
}
|
|
|
|
if (!test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
|
|
memcpy(&assoc_req->wpa_unicast_key, &priv->wpa_unicast_key,
|
|
sizeof(struct enc_key));
|
|
}
|
|
|
|
if (!test_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags)) {
|
|
memcpy(&assoc_req->secinfo, &priv->secinfo,
|
|
sizeof(struct lbs_802_11_security));
|
|
}
|
|
|
|
if (!test_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags)) {
|
|
memcpy(&assoc_req->wpa_ie, &priv->wpa_ie,
|
|
MAX_WPA_IE_LEN);
|
|
assoc_req->wpa_ie_len = priv->wpa_ie_len;
|
|
}
|
|
|
|
lbs_deb_leave(LBS_DEB_ASSOC);
|
|
return assoc_req;
|
|
}
|
|
|
|
|
|
/**
|
|
* @brief This function finds common rates between rate1 and card rates.
|
|
*
|
|
* It will fill common rates in rate1 as output if found.
|
|
*
|
|
* NOTE: Setting the MSB of the basic rates need to be taken
|
|
* care, either before or after calling this function
|
|
*
|
|
* @param priv A pointer to struct lbs_private structure
|
|
* @param rate1 the buffer which keeps input and output
|
|
* @param rate1_size the size of rate1 buffer; new size of buffer on return
|
|
*
|
|
* @return 0 or -1
|
|
*/
|
|
static int get_common_rates(struct lbs_private *priv,
|
|
u8 *rates,
|
|
u16 *rates_size)
|
|
{
|
|
u8 *card_rates = lbs_bg_rates;
|
|
size_t num_card_rates = sizeof(lbs_bg_rates);
|
|
int ret = 0, i, j;
|
|
u8 tmp[30];
|
|
size_t tmp_size = 0;
|
|
|
|
/* For each rate in card_rates that exists in rate1, copy to tmp */
|
|
for (i = 0; card_rates[i] && (i < num_card_rates); i++) {
|
|
for (j = 0; rates[j] && (j < *rates_size); j++) {
|
|
if (rates[j] == card_rates[i])
|
|
tmp[tmp_size++] = card_rates[i];
|
|
}
|
|
}
|
|
|
|
lbs_deb_hex(LBS_DEB_JOIN, "AP rates ", rates, *rates_size);
|
|
lbs_deb_hex(LBS_DEB_JOIN, "card rates ", card_rates, num_card_rates);
|
|
lbs_deb_hex(LBS_DEB_JOIN, "common rates", tmp, tmp_size);
|
|
lbs_deb_join("TX data rate 0x%02x\n", priv->cur_rate);
|
|
|
|
if (!priv->enablehwauto) {
|
|
for (i = 0; i < tmp_size; i++) {
|
|
if (tmp[i] == priv->cur_rate)
|
|
goto done;
|
|
}
|
|
lbs_pr_alert("Previously set fixed data rate %#x isn't "
|
|
"compatible with the network.\n", priv->cur_rate);
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
ret = 0;
|
|
|
|
done:
|
|
memset(rates, 0, *rates_size);
|
|
*rates_size = min_t(int, tmp_size, *rates_size);
|
|
memcpy(rates, tmp, *rates_size);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/**
|
|
* @brief Sets the MSB on basic rates as the firmware requires
|
|
*
|
|
* Scan through an array and set the MSB for basic data rates.
|
|
*
|
|
* @param rates buffer of data rates
|
|
* @param len size of buffer
|
|
*/
|
|
static void lbs_set_basic_rate_flags(u8 *rates, size_t len)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < len; i++) {
|
|
if (rates[i] == 0x02 || rates[i] == 0x04 ||
|
|
rates[i] == 0x0b || rates[i] == 0x16)
|
|
rates[i] |= 0x80;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Send Deauthentication Request
|
|
*
|
|
* @param priv A pointer to struct lbs_private structure
|
|
* @return 0--success, -1--fail
|
|
*/
|
|
int lbs_send_deauthentication(struct lbs_private *priv)
|
|
{
|
|
return lbs_prepare_and_send_command(priv, CMD_802_11_DEAUTHENTICATE,
|
|
0, CMD_OPTION_WAITFORRSP, 0, NULL);
|
|
}
|
|
|
|
/**
|
|
* @brief This function prepares command of authenticate.
|
|
*
|
|
* @param priv A pointer to struct lbs_private structure
|
|
* @param cmd A pointer to cmd_ds_command structure
|
|
* @param pdata_buf Void cast of pointer to a BSSID to authenticate with
|
|
*
|
|
* @return 0 or -1
|
|
*/
|
|
int lbs_cmd_80211_authenticate(struct lbs_private *priv,
|
|
struct cmd_ds_command *cmd,
|
|
void *pdata_buf)
|
|
{
|
|
struct cmd_ds_802_11_authenticate *pauthenticate = &cmd->params.auth;
|
|
int ret = -1;
|
|
u8 *bssid = pdata_buf;
|
|
DECLARE_MAC_BUF(mac);
|
|
|
|
lbs_deb_enter(LBS_DEB_JOIN);
|
|
|
|
cmd->command = cpu_to_le16(CMD_802_11_AUTHENTICATE);
|
|
cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_authenticate)
|
|
+ S_DS_GEN);
|
|
|
|
/* translate auth mode to 802.11 defined wire value */
|
|
switch (priv->secinfo.auth_mode) {
|
|
case IW_AUTH_ALG_OPEN_SYSTEM:
|
|
pauthenticate->authtype = 0x00;
|
|
break;
|
|
case IW_AUTH_ALG_SHARED_KEY:
|
|
pauthenticate->authtype = 0x01;
|
|
break;
|
|
case IW_AUTH_ALG_LEAP:
|
|
pauthenticate->authtype = 0x80;
|
|
break;
|
|
default:
|
|
lbs_deb_join("AUTH_CMD: invalid auth alg 0x%X\n",
|
|
priv->secinfo.auth_mode);
|
|
goto out;
|
|
}
|
|
|
|
memcpy(pauthenticate->macaddr, bssid, ETH_ALEN);
|
|
|
|
lbs_deb_join("AUTH_CMD: BSSID %s, auth 0x%x\n",
|
|
print_mac(mac, bssid), pauthenticate->authtype);
|
|
ret = 0;
|
|
|
|
out:
|
|
lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
int lbs_cmd_80211_deauthenticate(struct lbs_private *priv,
|
|
struct cmd_ds_command *cmd)
|
|
{
|
|
struct cmd_ds_802_11_deauthenticate *dauth = &cmd->params.deauth;
|
|
|
|
lbs_deb_enter(LBS_DEB_JOIN);
|
|
|
|
cmd->command = cpu_to_le16(CMD_802_11_DEAUTHENTICATE);
|
|
cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_deauthenticate) +
|
|
S_DS_GEN);
|
|
|
|
/* set AP MAC address */
|
|
memmove(dauth->macaddr, priv->curbssparams.bssid, ETH_ALEN);
|
|
|
|
/* Reason code 3 = Station is leaving */
|
|
#define REASON_CODE_STA_LEAVING 3
|
|
dauth->reasoncode = cpu_to_le16(REASON_CODE_STA_LEAVING);
|
|
|
|
lbs_deb_leave(LBS_DEB_JOIN);
|
|
return 0;
|
|
}
|
|
|
|
int lbs_cmd_80211_associate(struct lbs_private *priv,
|
|
struct cmd_ds_command *cmd, void *pdata_buf)
|
|
{
|
|
struct cmd_ds_802_11_associate *passo = &cmd->params.associate;
|
|
int ret = 0;
|
|
struct assoc_request *assoc_req = pdata_buf;
|
|
struct bss_descriptor *bss = &assoc_req->bss;
|
|
u8 *pos;
|
|
u16 tmpcap, tmplen;
|
|
struct mrvlietypes_ssidparamset *ssid;
|
|
struct mrvlietypes_phyparamset *phy;
|
|
struct mrvlietypes_ssparamset *ss;
|
|
struct mrvlietypes_ratesparamset *rates;
|
|
struct mrvlietypes_rsnparamset *rsn;
|
|
|
|
lbs_deb_enter(LBS_DEB_ASSOC);
|
|
|
|
pos = (u8 *) passo;
|
|
|
|
if (!priv) {
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
|
|
cmd->command = cpu_to_le16(CMD_802_11_ASSOCIATE);
|
|
|
|
memcpy(passo->peerstaaddr, bss->bssid, sizeof(passo->peerstaaddr));
|
|
pos += sizeof(passo->peerstaaddr);
|
|
|
|
/* set the listen interval */
|
|
passo->listeninterval = cpu_to_le16(MRVDRV_DEFAULT_LISTEN_INTERVAL);
|
|
|
|
pos += sizeof(passo->capability);
|
|
pos += sizeof(passo->listeninterval);
|
|
pos += sizeof(passo->bcnperiod);
|
|
pos += sizeof(passo->dtimperiod);
|
|
|
|
ssid = (struct mrvlietypes_ssidparamset *) pos;
|
|
ssid->header.type = cpu_to_le16(TLV_TYPE_SSID);
|
|
tmplen = bss->ssid_len;
|
|
ssid->header.len = cpu_to_le16(tmplen);
|
|
memcpy(ssid->ssid, bss->ssid, tmplen);
|
|
pos += sizeof(ssid->header) + tmplen;
|
|
|
|
phy = (struct mrvlietypes_phyparamset *) pos;
|
|
phy->header.type = cpu_to_le16(TLV_TYPE_PHY_DS);
|
|
tmplen = sizeof(phy->fh_ds.dsparamset);
|
|
phy->header.len = cpu_to_le16(tmplen);
|
|
memcpy(&phy->fh_ds.dsparamset,
|
|
&bss->phyparamset.dsparamset.currentchan,
|
|
tmplen);
|
|
pos += sizeof(phy->header) + tmplen;
|
|
|
|
ss = (struct mrvlietypes_ssparamset *) pos;
|
|
ss->header.type = cpu_to_le16(TLV_TYPE_CF);
|
|
tmplen = sizeof(ss->cf_ibss.cfparamset);
|
|
ss->header.len = cpu_to_le16(tmplen);
|
|
pos += sizeof(ss->header) + tmplen;
|
|
|
|
rates = (struct mrvlietypes_ratesparamset *) pos;
|
|
rates->header.type = cpu_to_le16(TLV_TYPE_RATES);
|
|
memcpy(&rates->rates, &bss->rates, MAX_RATES);
|
|
tmplen = MAX_RATES;
|
|
if (get_common_rates(priv, rates->rates, &tmplen)) {
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
pos += sizeof(rates->header) + tmplen;
|
|
rates->header.len = cpu_to_le16(tmplen);
|
|
lbs_deb_assoc("ASSOC_CMD: num rates %u\n", tmplen);
|
|
|
|
/* Copy the infra. association rates into Current BSS state structure */
|
|
memset(&priv->curbssparams.rates, 0, sizeof(priv->curbssparams.rates));
|
|
memcpy(&priv->curbssparams.rates, &rates->rates, tmplen);
|
|
|
|
/* Set MSB on basic rates as the firmware requires, but _after_
|
|
* copying to current bss rates.
|
|
*/
|
|
lbs_set_basic_rate_flags(rates->rates, tmplen);
|
|
|
|
if (assoc_req->secinfo.WPAenabled || assoc_req->secinfo.WPA2enabled) {
|
|
rsn = (struct mrvlietypes_rsnparamset *) pos;
|
|
/* WPA_IE or WPA2_IE */
|
|
rsn->header.type = cpu_to_le16((u16) assoc_req->wpa_ie[0]);
|
|
tmplen = (u16) assoc_req->wpa_ie[1];
|
|
rsn->header.len = cpu_to_le16(tmplen);
|
|
memcpy(rsn->rsnie, &assoc_req->wpa_ie[2], tmplen);
|
|
lbs_deb_hex(LBS_DEB_JOIN, "ASSOC_CMD: RSN IE", (u8 *) rsn,
|
|
sizeof(rsn->header) + tmplen);
|
|
pos += sizeof(rsn->header) + tmplen;
|
|
}
|
|
|
|
/* update curbssparams */
|
|
priv->curbssparams.channel = bss->phyparamset.dsparamset.currentchan;
|
|
|
|
if (lbs_parse_dnld_countryinfo_11d(priv, bss)) {
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
|
|
cmd->size = cpu_to_le16((u16) (pos - (u8 *) passo) + S_DS_GEN);
|
|
|
|
/* set the capability info */
|
|
tmpcap = (bss->capability & CAPINFO_MASK);
|
|
if (bss->mode == IW_MODE_INFRA)
|
|
tmpcap |= WLAN_CAPABILITY_ESS;
|
|
passo->capability = cpu_to_le16(tmpcap);
|
|
lbs_deb_assoc("ASSOC_CMD: capability 0x%04x\n", tmpcap);
|
|
|
|
done:
|
|
lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
int lbs_cmd_80211_ad_hoc_start(struct lbs_private *priv,
|
|
struct cmd_ds_command *cmd, void *pdata_buf)
|
|
{
|
|
struct cmd_ds_802_11_ad_hoc_start *adhs = &cmd->params.ads;
|
|
int ret = 0;
|
|
int cmdappendsize = 0;
|
|
struct assoc_request *assoc_req = pdata_buf;
|
|
u16 tmpcap = 0;
|
|
size_t ratesize = 0;
|
|
|
|
lbs_deb_enter(LBS_DEB_JOIN);
|
|
|
|
if (!priv) {
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
|
|
cmd->command = cpu_to_le16(CMD_802_11_AD_HOC_START);
|
|
|
|
/*
|
|
* Fill in the parameters for 2 data structures:
|
|
* 1. cmd_ds_802_11_ad_hoc_start command
|
|
* 2. priv->scantable[i]
|
|
*
|
|
* Driver will fill up SSID, bsstype,IBSS param, Physical Param,
|
|
* probe delay, and cap info.
|
|
*
|
|
* Firmware will fill up beacon period, DTIM, Basic rates
|
|
* and operational rates.
|
|
*/
|
|
|
|
memset(adhs->ssid, 0, IW_ESSID_MAX_SIZE);
|
|
memcpy(adhs->ssid, assoc_req->ssid, assoc_req->ssid_len);
|
|
|
|
lbs_deb_join("ADHOC_S_CMD: SSID '%s', ssid length %u\n",
|
|
escape_essid(assoc_req->ssid, assoc_req->ssid_len),
|
|
assoc_req->ssid_len);
|
|
|
|
/* set the BSS type */
|
|
adhs->bsstype = CMD_BSS_TYPE_IBSS;
|
|
priv->mode = IW_MODE_ADHOC;
|
|
if (priv->beacon_period == 0)
|
|
priv->beacon_period = MRVDRV_BEACON_INTERVAL;
|
|
adhs->beaconperiod = cpu_to_le16(priv->beacon_period);
|
|
|
|
/* set Physical param set */
|
|
#define DS_PARA_IE_ID 3
|
|
#define DS_PARA_IE_LEN 1
|
|
|
|
adhs->phyparamset.dsparamset.elementid = DS_PARA_IE_ID;
|
|
adhs->phyparamset.dsparamset.len = DS_PARA_IE_LEN;
|
|
|
|
WARN_ON(!assoc_req->channel);
|
|
|
|
lbs_deb_join("ADHOC_S_CMD: Creating ADHOC on channel %d\n",
|
|
assoc_req->channel);
|
|
|
|
adhs->phyparamset.dsparamset.currentchan = assoc_req->channel;
|
|
|
|
/* set IBSS param set */
|
|
#define IBSS_PARA_IE_ID 6
|
|
#define IBSS_PARA_IE_LEN 2
|
|
|
|
adhs->ssparamset.ibssparamset.elementid = IBSS_PARA_IE_ID;
|
|
adhs->ssparamset.ibssparamset.len = IBSS_PARA_IE_LEN;
|
|
adhs->ssparamset.ibssparamset.atimwindow = 0;
|
|
|
|
/* set capability info */
|
|
tmpcap = WLAN_CAPABILITY_IBSS;
|
|
if (assoc_req->secinfo.wep_enabled) {
|
|
lbs_deb_join("ADHOC_S_CMD: WEP enabled, "
|
|
"setting privacy on\n");
|
|
tmpcap |= WLAN_CAPABILITY_PRIVACY;
|
|
} else {
|
|
lbs_deb_join("ADHOC_S_CMD: WEP disabled, "
|
|
"setting privacy off\n");
|
|
}
|
|
adhs->capability = cpu_to_le16(tmpcap);
|
|
|
|
/* probedelay */
|
|
adhs->probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME);
|
|
|
|
memset(adhs->rates, 0, sizeof(adhs->rates));
|
|
ratesize = min(sizeof(adhs->rates), sizeof(lbs_bg_rates));
|
|
memcpy(adhs->rates, lbs_bg_rates, ratesize);
|
|
|
|
/* Copy the ad-hoc creating rates into Current BSS state structure */
|
|
memset(&priv->curbssparams.rates, 0, sizeof(priv->curbssparams.rates));
|
|
memcpy(&priv->curbssparams.rates, &adhs->rates, ratesize);
|
|
|
|
/* Set MSB on basic rates as the firmware requires, but _after_
|
|
* copying to current bss rates.
|
|
*/
|
|
lbs_set_basic_rate_flags(adhs->rates, ratesize);
|
|
|
|
lbs_deb_join("ADHOC_S_CMD: rates=%02x %02x %02x %02x \n",
|
|
adhs->rates[0], adhs->rates[1], adhs->rates[2], adhs->rates[3]);
|
|
|
|
lbs_deb_join("ADHOC_S_CMD: AD HOC Start command is ready\n");
|
|
|
|
if (lbs_create_dnld_countryinfo_11d(priv)) {
|
|
lbs_deb_join("ADHOC_S_CMD: dnld_countryinfo_11d failed\n");
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
|
|
cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ad_hoc_start) +
|
|
S_DS_GEN + cmdappendsize);
|
|
|
|
ret = 0;
|
|
done:
|
|
lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
int lbs_cmd_80211_ad_hoc_stop(struct cmd_ds_command *cmd)
|
|
{
|
|
cmd->command = cpu_to_le16(CMD_802_11_AD_HOC_STOP);
|
|
cmd->size = cpu_to_le16(S_DS_GEN);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int lbs_cmd_80211_ad_hoc_join(struct lbs_private *priv,
|
|
struct cmd_ds_command *cmd, void *pdata_buf)
|
|
{
|
|
struct cmd_ds_802_11_ad_hoc_join *join_cmd = &cmd->params.adj;
|
|
struct assoc_request *assoc_req = pdata_buf;
|
|
struct bss_descriptor *bss = &assoc_req->bss;
|
|
int cmdappendsize = 0;
|
|
int ret = 0;
|
|
u16 ratesize = 0;
|
|
DECLARE_MAC_BUF(mac);
|
|
|
|
lbs_deb_enter(LBS_DEB_JOIN);
|
|
|
|
cmd->command = cpu_to_le16(CMD_802_11_AD_HOC_JOIN);
|
|
|
|
join_cmd->bss.type = CMD_BSS_TYPE_IBSS;
|
|
join_cmd->bss.beaconperiod = cpu_to_le16(bss->beaconperiod);
|
|
|
|
memcpy(&join_cmd->bss.bssid, &bss->bssid, ETH_ALEN);
|
|
memcpy(&join_cmd->bss.ssid, &bss->ssid, bss->ssid_len);
|
|
|
|
memcpy(&join_cmd->bss.phyparamset, &bss->phyparamset,
|
|
sizeof(union ieeetypes_phyparamset));
|
|
|
|
memcpy(&join_cmd->bss.ssparamset, &bss->ssparamset,
|
|
sizeof(union IEEEtypes_ssparamset));
|
|
|
|
join_cmd->bss.capability = cpu_to_le16(bss->capability & CAPINFO_MASK);
|
|
lbs_deb_join("ADHOC_J_CMD: tmpcap=%4X CAPINFO_MASK=%4X\n",
|
|
bss->capability, CAPINFO_MASK);
|
|
|
|
/* information on BSSID descriptor passed to FW */
|
|
lbs_deb_join(
|
|
"ADHOC_J_CMD: BSSID = %s, SSID = '%s'\n",
|
|
print_mac(mac, join_cmd->bss.bssid),
|
|
join_cmd->bss.ssid);
|
|
|
|
/* failtimeout */
|
|
join_cmd->failtimeout = cpu_to_le16(MRVDRV_ASSOCIATION_TIME_OUT);
|
|
|
|
/* probedelay */
|
|
join_cmd->probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME);
|
|
|
|
priv->curbssparams.channel = bss->channel;
|
|
|
|
/* Copy Data rates from the rates recorded in scan response */
|
|
memset(join_cmd->bss.rates, 0, sizeof(join_cmd->bss.rates));
|
|
ratesize = min_t(u16, sizeof(join_cmd->bss.rates), MAX_RATES);
|
|
memcpy(join_cmd->bss.rates, bss->rates, ratesize);
|
|
if (get_common_rates(priv, join_cmd->bss.rates, &ratesize)) {
|
|
lbs_deb_join("ADHOC_J_CMD: get_common_rates returns error.\n");
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
|
|
/* Copy the ad-hoc creating rates into Current BSS state structure */
|
|
memset(&priv->curbssparams.rates, 0, sizeof(priv->curbssparams.rates));
|
|
memcpy(&priv->curbssparams.rates, join_cmd->bss.rates, ratesize);
|
|
|
|
/* Set MSB on basic rates as the firmware requires, but _after_
|
|
* copying to current bss rates.
|
|
*/
|
|
lbs_set_basic_rate_flags(join_cmd->bss.rates, ratesize);
|
|
|
|
join_cmd->bss.ssparamset.ibssparamset.atimwindow =
|
|
cpu_to_le16(bss->atimwindow);
|
|
|
|
if (assoc_req->secinfo.wep_enabled) {
|
|
u16 tmp = le16_to_cpu(join_cmd->bss.capability);
|
|
tmp |= WLAN_CAPABILITY_PRIVACY;
|
|
join_cmd->bss.capability = cpu_to_le16(tmp);
|
|
}
|
|
|
|
if (priv->psmode == LBS802_11POWERMODEMAX_PSP) {
|
|
/* wake up first */
|
|
__le32 Localpsmode;
|
|
|
|
Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
|
|
ret = lbs_prepare_and_send_command(priv,
|
|
CMD_802_11_PS_MODE,
|
|
CMD_ACT_SET,
|
|
0, 0, &Localpsmode);
|
|
|
|
if (ret) {
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
if (lbs_parse_dnld_countryinfo_11d(priv, bss)) {
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
|
|
cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ad_hoc_join) +
|
|
S_DS_GEN + cmdappendsize);
|
|
|
|
done:
|
|
lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
int lbs_ret_80211_associate(struct lbs_private *priv,
|
|
struct cmd_ds_command *resp)
|
|
{
|
|
int ret = 0;
|
|
union iwreq_data wrqu;
|
|
struct ieeetypes_assocrsp *passocrsp;
|
|
struct bss_descriptor *bss;
|
|
u16 status_code;
|
|
|
|
lbs_deb_enter(LBS_DEB_ASSOC);
|
|
|
|
if (!priv->in_progress_assoc_req) {
|
|
lbs_deb_assoc("ASSOC_RESP: no in-progress assoc request\n");
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
bss = &priv->in_progress_assoc_req->bss;
|
|
|
|
passocrsp = (struct ieeetypes_assocrsp *) &resp->params;
|
|
|
|
/*
|
|
* Older FW versions map the IEEE 802.11 Status Code in the association
|
|
* response to the following values returned in passocrsp->statuscode:
|
|
*
|
|
* IEEE Status Code Marvell Status Code
|
|
* 0 -> 0x0000 ASSOC_RESULT_SUCCESS
|
|
* 13 -> 0x0004 ASSOC_RESULT_AUTH_REFUSED
|
|
* 14 -> 0x0004 ASSOC_RESULT_AUTH_REFUSED
|
|
* 15 -> 0x0004 ASSOC_RESULT_AUTH_REFUSED
|
|
* 16 -> 0x0004 ASSOC_RESULT_AUTH_REFUSED
|
|
* others -> 0x0003 ASSOC_RESULT_REFUSED
|
|
*
|
|
* Other response codes:
|
|
* 0x0001 -> ASSOC_RESULT_INVALID_PARAMETERS (unused)
|
|
* 0x0002 -> ASSOC_RESULT_TIMEOUT (internal timer expired waiting for
|
|
* association response from the AP)
|
|
*/
|
|
|
|
status_code = le16_to_cpu(passocrsp->statuscode);
|
|
switch (status_code) {
|
|
case 0x00:
|
|
break;
|
|
case 0x01:
|
|
lbs_deb_assoc("ASSOC_RESP: invalid parameters\n");
|
|
break;
|
|
case 0x02:
|
|
lbs_deb_assoc("ASSOC_RESP: internal timer "
|
|
"expired while waiting for the AP\n");
|
|
break;
|
|
case 0x03:
|
|
lbs_deb_assoc("ASSOC_RESP: association "
|
|
"refused by AP\n");
|
|
break;
|
|
case 0x04:
|
|
lbs_deb_assoc("ASSOC_RESP: authentication "
|
|
"refused by AP\n");
|
|
break;
|
|
default:
|
|
lbs_deb_assoc("ASSOC_RESP: failure reason 0x%02x "
|
|
" unknown\n", status_code);
|
|
break;
|
|
}
|
|
|
|
if (status_code) {
|
|
lbs_mac_event_disconnected(priv);
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
|
|
lbs_deb_hex(LBS_DEB_ASSOC, "ASSOC_RESP", (void *)&resp->params,
|
|
le16_to_cpu(resp->size) - S_DS_GEN);
|
|
|
|
/* Send a Media Connected event, according to the Spec */
|
|
priv->connect_status = LBS_CONNECTED;
|
|
|
|
/* Update current SSID and BSSID */
|
|
memcpy(&priv->curbssparams.ssid, &bss->ssid, IW_ESSID_MAX_SIZE);
|
|
priv->curbssparams.ssid_len = bss->ssid_len;
|
|
memcpy(priv->curbssparams.bssid, bss->bssid, ETH_ALEN);
|
|
|
|
priv->SNR[TYPE_RXPD][TYPE_AVG] = 0;
|
|
priv->NF[TYPE_RXPD][TYPE_AVG] = 0;
|
|
|
|
memset(priv->rawSNR, 0x00, sizeof(priv->rawSNR));
|
|
memset(priv->rawNF, 0x00, sizeof(priv->rawNF));
|
|
priv->nextSNRNF = 0;
|
|
priv->numSNRNF = 0;
|
|
|
|
netif_carrier_on(priv->dev);
|
|
if (!priv->tx_pending_len)
|
|
netif_wake_queue(priv->dev);
|
|
|
|
memcpy(wrqu.ap_addr.sa_data, priv->curbssparams.bssid, ETH_ALEN);
|
|
wrqu.ap_addr.sa_family = ARPHRD_ETHER;
|
|
wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
|
|
|
|
done:
|
|
lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
int lbs_ret_80211_disassociate(struct lbs_private *priv)
|
|
{
|
|
lbs_deb_enter(LBS_DEB_JOIN);
|
|
|
|
lbs_mac_event_disconnected(priv);
|
|
|
|
lbs_deb_leave(LBS_DEB_JOIN);
|
|
return 0;
|
|
}
|
|
|
|
int lbs_ret_80211_ad_hoc_start(struct lbs_private *priv,
|
|
struct cmd_ds_command *resp)
|
|
{
|
|
int ret = 0;
|
|
u16 command = le16_to_cpu(resp->command);
|
|
u16 result = le16_to_cpu(resp->result);
|
|
struct cmd_ds_802_11_ad_hoc_result *padhocresult;
|
|
union iwreq_data wrqu;
|
|
struct bss_descriptor *bss;
|
|
DECLARE_MAC_BUF(mac);
|
|
|
|
lbs_deb_enter(LBS_DEB_JOIN);
|
|
|
|
padhocresult = &resp->params.result;
|
|
|
|
lbs_deb_join("ADHOC_RESP: size = %d\n", le16_to_cpu(resp->size));
|
|
lbs_deb_join("ADHOC_RESP: command = %x\n", command);
|
|
lbs_deb_join("ADHOC_RESP: result = %x\n", result);
|
|
|
|
if (!priv->in_progress_assoc_req) {
|
|
lbs_deb_join("ADHOC_RESP: no in-progress association "
|
|
"request\n");
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
bss = &priv->in_progress_assoc_req->bss;
|
|
|
|
/*
|
|
* Join result code 0 --> SUCCESS
|
|
*/
|
|
if (result) {
|
|
lbs_deb_join("ADHOC_RESP: failed\n");
|
|
if (priv->connect_status == LBS_CONNECTED)
|
|
lbs_mac_event_disconnected(priv);
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
|
|
/*
|
|
* Now the join cmd should be successful
|
|
* If BSSID has changed use SSID to compare instead of BSSID
|
|
*/
|
|
lbs_deb_join("ADHOC_RESP: associated to '%s'\n",
|
|
escape_essid(bss->ssid, bss->ssid_len));
|
|
|
|
/* Send a Media Connected event, according to the Spec */
|
|
priv->connect_status = LBS_CONNECTED;
|
|
|
|
if (command == CMD_RET(CMD_802_11_AD_HOC_START)) {
|
|
/* Update the created network descriptor with the new BSSID */
|
|
memcpy(bss->bssid, padhocresult->bssid, ETH_ALEN);
|
|
}
|
|
|
|
/* Set the BSSID from the joined/started descriptor */
|
|
memcpy(&priv->curbssparams.bssid, bss->bssid, ETH_ALEN);
|
|
|
|
/* Set the new SSID to current SSID */
|
|
memcpy(&priv->curbssparams.ssid, &bss->ssid, IW_ESSID_MAX_SIZE);
|
|
priv->curbssparams.ssid_len = bss->ssid_len;
|
|
|
|
netif_carrier_on(priv->dev);
|
|
if (!priv->tx_pending_len)
|
|
netif_wake_queue(priv->dev);
|
|
|
|
memset(&wrqu, 0, sizeof(wrqu));
|
|
memcpy(wrqu.ap_addr.sa_data, priv->curbssparams.bssid, ETH_ALEN);
|
|
wrqu.ap_addr.sa_family = ARPHRD_ETHER;
|
|
wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
|
|
|
|
lbs_deb_join("ADHOC_RESP: - Joined/Started Ad Hoc\n");
|
|
lbs_deb_join("ADHOC_RESP: channel = %d\n", priv->curbssparams.channel);
|
|
lbs_deb_join("ADHOC_RESP: BSSID = %s\n",
|
|
print_mac(mac, padhocresult->bssid));
|
|
|
|
done:
|
|
lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
int lbs_ret_80211_ad_hoc_stop(struct lbs_private *priv)
|
|
{
|
|
lbs_deb_enter(LBS_DEB_JOIN);
|
|
|
|
lbs_mac_event_disconnected(priv);
|
|
|
|
lbs_deb_leave(LBS_DEB_JOIN);
|
|
return 0;
|
|
}
|