diff options
Diffstat (limited to 'drivers/net/wireless/mwifiex/ie.c')
-rw-r--r-- | drivers/net/wireless/mwifiex/ie.c | 185 |
1 files changed, 96 insertions, 89 deletions
diff --git a/drivers/net/wireless/mwifiex/ie.c b/drivers/net/wireless/mwifiex/ie.c index 8374e33f195a..1d8dd003e396 100644 --- a/drivers/net/wireless/mwifiex/ie.c +++ b/drivers/net/wireless/mwifiex/ie.c @@ -51,8 +51,7 @@ mwifiex_ie_get_autoidx(struct mwifiex_private *priv, u16 subtype_mask, for (i = 0; i < priv->adapter->max_mgmt_ie_index; i++) { mask = le16_to_cpu(priv->mgmt_ie[i].mgmt_subtype_mask); - len = le16_to_cpu(priv->mgmt_ie[i].ie_length) + - le16_to_cpu(ie->ie_length); + len = le16_to_cpu(ie->ie_length); if (mask == MWIFIEX_AUTO_IDX_MASK) continue; @@ -108,10 +107,8 @@ mwifiex_update_autoindex_ies(struct mwifiex_private *priv, return -1; tmp = (u8 *)&priv->mgmt_ie[index].ie_buffer; - tmp += le16_to_cpu(priv->mgmt_ie[index].ie_length); memcpy(tmp, &ie->ie_buffer, le16_to_cpu(ie->ie_length)); - le16_add_cpu(&priv->mgmt_ie[index].ie_length, - le16_to_cpu(ie->ie_length)); + priv->mgmt_ie[index].ie_length = ie->ie_length; priv->mgmt_ie[index].ie_index = cpu_to_le16(index); priv->mgmt_ie[index].mgmt_subtype_mask = cpu_to_le16(mask); @@ -217,34 +214,107 @@ mwifiex_update_uap_custom_ie(struct mwifiex_private *priv, return ret; } -/* This function parses different IEs- Tail IEs, beacon IEs, probe response IEs, +/* This function checks if WPS IE is present in passed buffer and copies it to + * mwifiex_ie structure. + * Function takes pointer to struct mwifiex_ie pointer as argument. + * If WPS IE is present memory is allocated for mwifiex_ie pointer and filled + * in with WPS IE. Caller should take care of freeing this memory. + */ +static int mwifiex_update_wps_ie(const u8 *ies, int ies_len, + struct mwifiex_ie **ie_ptr, u16 mask) +{ + struct ieee_types_header *wps_ie; + struct mwifiex_ie *ie = NULL; + const u8 *vendor_ie; + + vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, + WLAN_OUI_TYPE_MICROSOFT_WPS, + ies, ies_len); + if (vendor_ie) { + ie = kmalloc(sizeof(struct mwifiex_ie), GFP_KERNEL); + if (!ie) + return -ENOMEM; + + wps_ie = (struct ieee_types_header *)vendor_ie; + memcpy(ie->ie_buffer, wps_ie, wps_ie->len + 2); + ie->ie_length = cpu_to_le16(wps_ie->len + 2); + ie->mgmt_subtype_mask = cpu_to_le16(mask); + ie->ie_index = cpu_to_le16(MWIFIEX_AUTO_IDX_MASK); + } + + *ie_ptr = ie; + return 0; +} + +/* This function parses beacon IEs, probe response IEs, association response IEs + * from cfg80211_ap_settings->beacon and sets these IE to FW. + */ +static int mwifiex_set_mgmt_beacon_data_ies(struct mwifiex_private *priv, + struct cfg80211_beacon_data *data) +{ + struct mwifiex_ie *beacon_ie = NULL, *pr_ie = NULL, *ar_ie = NULL; + u16 beacon_idx = MWIFIEX_AUTO_IDX_MASK, pr_idx = MWIFIEX_AUTO_IDX_MASK; + u16 ar_idx = MWIFIEX_AUTO_IDX_MASK; + int ret = 0; + + if (data->beacon_ies && data->beacon_ies_len) + mwifiex_update_wps_ie(data->beacon_ies, data->beacon_ies_len, + &beacon_ie, MGMT_MASK_BEACON); + + if (data->proberesp_ies && data->proberesp_ies_len) + mwifiex_update_wps_ie(data->proberesp_ies, + data->proberesp_ies_len, &pr_ie, + MGMT_MASK_PROBE_RESP); + + if (data->assocresp_ies && data->assocresp_ies_len) + mwifiex_update_wps_ie(data->assocresp_ies, + data->assocresp_ies_len, &ar_ie, + MGMT_MASK_ASSOC_RESP | + MGMT_MASK_REASSOC_RESP); + + if (beacon_ie || pr_ie || ar_ie) { + ret = mwifiex_update_uap_custom_ie(priv, beacon_ie, + &beacon_idx, pr_ie, + &pr_idx, ar_ie, &ar_idx); + if (ret) + goto done; + } + + priv->beacon_idx = beacon_idx; + priv->proberesp_idx = pr_idx; + priv->assocresp_idx = ar_idx; + +done: + kfree(beacon_ie); + kfree(pr_ie); + kfree(ar_ie); + + return ret; +} + +/* This function parses different IEs-tail IEs, beacon IEs, probe response IEs, * association response IEs from cfg80211_ap_settings function and sets these IE * to FW. */ int mwifiex_set_mgmt_ies(struct mwifiex_private *priv, - struct cfg80211_ap_settings *params) + struct cfg80211_beacon_data *info) { - struct mwifiex_ie *beacon_ie = NULL, *pr_ie = NULL; - struct mwifiex_ie *ar_ie = NULL, *gen_ie = NULL; - struct ieee_types_header *rsn_ie = NULL, *wpa_ie = NULL; - u16 beacon_idx = MWIFIEX_AUTO_IDX_MASK, pr_idx = MWIFIEX_AUTO_IDX_MASK; - u16 ar_idx = MWIFIEX_AUTO_IDX_MASK, rsn_idx = MWIFIEX_AUTO_IDX_MASK; - u16 mask, ie_len = 0; + struct mwifiex_ie *gen_ie; + struct ieee_types_header *rsn_ie, *wpa_ie = NULL; + u16 rsn_idx = MWIFIEX_AUTO_IDX_MASK, ie_len = 0; const u8 *vendor_ie; - int ret = 0; - if (params->beacon.tail && params->beacon.tail_len) { + if (info->tail && info->tail_len) { gen_ie = kzalloc(sizeof(struct mwifiex_ie), GFP_KERNEL); if (!gen_ie) return -ENOMEM; gen_ie->ie_index = cpu_to_le16(rsn_idx); - mask = MGMT_MASK_BEACON | MGMT_MASK_PROBE_RESP | - MGMT_MASK_ASSOC_RESP; - gen_ie->mgmt_subtype_mask = cpu_to_le16(mask); + gen_ie->mgmt_subtype_mask = cpu_to_le16(MGMT_MASK_BEACON | + MGMT_MASK_PROBE_RESP | + MGMT_MASK_ASSOC_RESP); rsn_ie = (void *)cfg80211_find_ie(WLAN_EID_RSN, - params->beacon.tail, - params->beacon.tail_len); + info->tail, info->tail_len); if (rsn_ie) { memcpy(gen_ie->ie_buffer, rsn_ie, rsn_ie->len + 2); ie_len = rsn_ie->len + 2; @@ -253,8 +323,8 @@ int mwifiex_set_mgmt_ies(struct mwifiex_private *priv, vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, WLAN_OUI_TYPE_MICROSOFT_WPA, - params->beacon.tail, - params->beacon.tail_len); + info->tail, + info->tail_len); if (vendor_ie) { wpa_ie = (struct ieee_types_header *)vendor_ie; memcpy(gen_ie->ie_buffer + ie_len, @@ -267,79 +337,16 @@ int mwifiex_set_mgmt_ies(struct mwifiex_private *priv, if (mwifiex_update_uap_custom_ie(priv, gen_ie, &rsn_idx, NULL, NULL, NULL, NULL)) { - ret = -1; - goto done; + kfree(gen_ie); + return -1; } - priv->rsn_idx = rsn_idx; } - } - - if (params->beacon.beacon_ies && params->beacon.beacon_ies_len) { - beacon_ie = kmalloc(sizeof(struct mwifiex_ie), GFP_KERNEL); - if (!beacon_ie) { - ret = -ENOMEM; - goto done; - } - - beacon_ie->ie_index = cpu_to_le16(beacon_idx); - beacon_ie->mgmt_subtype_mask = cpu_to_le16(MGMT_MASK_BEACON); - beacon_ie->ie_length = - cpu_to_le16(params->beacon.beacon_ies_len); - memcpy(beacon_ie->ie_buffer, params->beacon.beacon_ies, - params->beacon.beacon_ies_len); - } - - if (params->beacon.proberesp_ies && params->beacon.proberesp_ies_len) { - pr_ie = kmalloc(sizeof(struct mwifiex_ie), GFP_KERNEL); - if (!pr_ie) { - ret = -ENOMEM; - goto done; - } - - pr_ie->ie_index = cpu_to_le16(pr_idx); - pr_ie->mgmt_subtype_mask = cpu_to_le16(MGMT_MASK_PROBE_RESP); - pr_ie->ie_length = - cpu_to_le16(params->beacon.proberesp_ies_len); - memcpy(pr_ie->ie_buffer, params->beacon.proberesp_ies, - params->beacon.proberesp_ies_len); - } - - if (params->beacon.assocresp_ies && params->beacon.assocresp_ies_len) { - ar_ie = kmalloc(sizeof(struct mwifiex_ie), GFP_KERNEL); - if (!ar_ie) { - ret = -ENOMEM; - goto done; - } - ar_ie->ie_index = cpu_to_le16(ar_idx); - mask = MGMT_MASK_ASSOC_RESP | MGMT_MASK_REASSOC_RESP; - ar_ie->mgmt_subtype_mask = cpu_to_le16(mask); - ar_ie->ie_length = - cpu_to_le16(params->beacon.assocresp_ies_len); - memcpy(ar_ie->ie_buffer, params->beacon.assocresp_ies, - params->beacon.assocresp_ies_len); - } - - if (beacon_ie || pr_ie || ar_ie) { - ret = mwifiex_update_uap_custom_ie(priv, beacon_ie, - &beacon_idx, pr_ie, - &pr_idx, ar_ie, &ar_idx); - if (ret) - goto done; + kfree(gen_ie); } - priv->beacon_idx = beacon_idx; - priv->proberesp_idx = pr_idx; - priv->assocresp_idx = ar_idx; - -done: - kfree(beacon_ie); - kfree(pr_ie); - kfree(ar_ie); - kfree(gen_ie); - - return ret; + return mwifiex_set_mgmt_beacon_data_ies(priv, info); } /* This function removes management IE set */ |