wl1271: fixed problem with WPS IEs in probe requests
Inclusion of a WPS IE in probe requests caused a problem in the driver due to the maximum size of the probe request template and the max_scan_ie_len values at initialization. Increased the size of probe request template to the maximum size allowed by the firmware. Struct wl12xx_probe_req_template, which was only used for calculating the max size of the probe request template, is no longer used and needed. max_scan_ie_len is used for validating the size of additional IEs in scan requests. Initialized the max_scan_ie_len field to the maximum size of the probe request template minus the ieee80211 header size. Signed-off-by: Guy Eilam <guy@wizery.com> Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
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c531277215
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3 changed files with 9 additions and 11 deletions
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@ -53,18 +53,16 @@ static int wl1271_init_hwenc_config(struct wl1271 *wl)
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int wl1271_init_templates_config(struct wl1271 *wl)
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{
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int ret, i;
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size_t size;
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/* send empty templates for fw memory reservation */
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4, NULL,
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sizeof(struct wl12xx_probe_req_template),
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WL1271_CMD_TEMPL_MAX_SIZE,
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0, WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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size = sizeof(struct wl12xx_probe_req_template);
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
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NULL, size, 0,
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NULL, WL1271_CMD_TEMPL_MAX_SIZE, 0,
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WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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@ -2666,6 +2666,13 @@ int wl1271_init_ieee80211(struct wl1271 *wl)
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wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
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BIT(NL80211_IFTYPE_ADHOC);
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wl->hw->wiphy->max_scan_ssids = 1;
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/*
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* Maximum length of elements in scanning probe request templates
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* should be the maximum length possible for a template, without
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* the IEEE80211 header of the template
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*/
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wl->hw->wiphy->max_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE -
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sizeof(struct ieee80211_header);
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wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1271_band_2ghz;
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wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &wl1271_band_5ghz;
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@ -134,13 +134,6 @@ struct wl12xx_qos_null_data_template {
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__le16 qos_ctl;
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} __packed;
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struct wl12xx_probe_req_template {
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struct ieee80211_header header;
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struct wl12xx_ie_ssid ssid;
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struct wl12xx_ie_rates rates;
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struct wl12xx_ie_rates ext_rates;
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} __packed;
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struct wl12xx_arp_rsp_template {
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struct ieee80211_hdr_3addr hdr;
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