diff options
Diffstat (limited to 'drivers/net/wireless/mwifiex/ie.c')
| -rw-r--r-- | drivers/net/wireless/mwifiex/ie.c | 233 |
1 files changed, 141 insertions, 92 deletions
diff --git a/drivers/net/wireless/mwifiex/ie.c b/drivers/net/wireless/mwifiex/ie.c index 383820a52be..3bf3d58bbc0 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; @@ -83,20 +82,22 @@ mwifiex_update_autoindex_ies(struct mwifiex_private *priv, struct mwifiex_ie_list *ie_list) { u16 travel_len, index, mask; - s16 input_len; + s16 input_len, tlv_len; struct mwifiex_ie *ie; u8 *tmp; input_len = le16_to_cpu(ie_list->len); - travel_len = sizeof(struct host_cmd_tlv); + travel_len = sizeof(struct mwifiex_ie_types_header); ie_list->len = 0; - while (input_len > 0) { + while (input_len >= sizeof(struct mwifiex_ie_types_header)) { ie = (struct mwifiex_ie *)(((u8 *)ie_list) + travel_len); - input_len -= le16_to_cpu(ie->ie_length) + MWIFIEX_IE_HDR_SIZE; - travel_len += le16_to_cpu(ie->ie_length) + MWIFIEX_IE_HDR_SIZE; + tlv_len = le16_to_cpu(ie->ie_length); + travel_len += tlv_len + MWIFIEX_IE_HDR_SIZE; + if (input_len < tlv_len + MWIFIEX_IE_HDR_SIZE) + return -1; index = le16_to_cpu(ie->ie_index); mask = le16_to_cpu(ie->mgmt_subtype_mask); @@ -108,18 +109,13 @@ 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); ie->ie_index = cpu_to_le16(index); - ie->ie_length = priv->mgmt_ie[index].ie_length; - memcpy(&ie->ie_buffer, &priv->mgmt_ie[index].ie_buffer, - le16_to_cpu(priv->mgmt_ie[index].ie_length)); } else { if (mask != MWIFIEX_DELETE_MASK) return -1; @@ -138,12 +134,13 @@ mwifiex_update_autoindex_ies(struct mwifiex_private *priv, le16_add_cpu(&ie_list->len, le16_to_cpu(priv->mgmt_ie[index].ie_length) + MWIFIEX_IE_HDR_SIZE); + input_len -= tlv_len + MWIFIEX_IE_HDR_SIZE; } if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) - return mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_SYS_CONFIG, - HostCmd_ACT_GEN_SET, - UAP_CUSTOM_IE_I, ie_list); + return mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG, + HostCmd_ACT_GEN_SET, + UAP_CUSTOM_IE_I, ie_list, false); return 0; } @@ -163,7 +160,7 @@ mwifiex_update_uap_custom_ie(struct mwifiex_private *priv, u16 len; int ret; - ap_custom_ie = kzalloc(sizeof(struct mwifiex_ie), GFP_KERNEL); + ap_custom_ie = kzalloc(sizeof(*ap_custom_ie), GFP_KERNEL); if (!ap_custom_ie) return -ENOMEM; @@ -217,91 +214,87 @@ mwifiex_update_uap_custom_ie(struct mwifiex_private *priv, 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. +/* This function checks if the vendor specified IE is present in passed buffer + * and copies it to mwifiex_ie structure. + * Function takes pointer to struct mwifiex_ie pointer as argument. + * If the vendor specified IE is present then memory is allocated for + * mwifiex_ie pointer and filled in with IE. Caller should take care of freeing + * this memory. */ -int mwifiex_set_mgmt_ies(struct mwifiex_private *priv, - struct cfg80211_ap_settings *params) +static int mwifiex_update_vs_ie(const u8 *ies, int ies_len, + struct mwifiex_ie **ie_ptr, u16 mask, + unsigned int oui, u8 oui_type) { - struct mwifiex_ie *beacon_ie = NULL, *pr_ie = NULL; - struct mwifiex_ie *ar_ie = NULL, *rsn_ie = NULL; - struct ieee_types_header *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; - int ret = 0; - - if (params->beacon.tail && params->beacon.tail_len) { - ie = (void *)cfg80211_find_ie(WLAN_EID_RSN, params->beacon.tail, - params->beacon.tail_len); - if (ie) { - rsn_ie = kmalloc(sizeof(struct mwifiex_ie), GFP_KERNEL); - if (!rsn_ie) + struct ieee_types_header *vs_ie; + struct mwifiex_ie *ie = *ie_ptr; + const u8 *vendor_ie; + + vendor_ie = cfg80211_find_vendor_ie(oui, oui_type, ies, ies_len); + if (vendor_ie) { + if (!*ie_ptr) { + *ie_ptr = kzalloc(sizeof(struct mwifiex_ie), + GFP_KERNEL); + if (!*ie_ptr) return -ENOMEM; - - rsn_ie->ie_index = cpu_to_le16(rsn_idx); - mask = MGMT_MASK_BEACON | MGMT_MASK_PROBE_RESP | - MGMT_MASK_ASSOC_RESP; - rsn_ie->mgmt_subtype_mask = cpu_to_le16(mask); - rsn_ie->ie_length = cpu_to_le16(ie->len + 2); - memcpy(rsn_ie->ie_buffer, ie, ie->len + 2); - - if (mwifiex_update_uap_custom_ie(priv, rsn_ie, &rsn_idx, - NULL, NULL, - NULL, NULL)) { - ret = -1; - goto done; - } - - priv->rsn_idx = rsn_idx; + ie = *ie_ptr; } - } - 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); + vs_ie = (struct ieee_types_header *)vendor_ie; + memcpy(ie->ie_buffer + le16_to_cpu(ie->ie_length), + vs_ie, vs_ie->len + 2); + le16_add_cpu(&ie->ie_length, vs_ie->len + 2); + ie->mgmt_subtype_mask = cpu_to_le16(mask); + ie->ie_index = cpu_to_le16(MWIFIEX_AUTO_IDX_MASK); } - 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; - } + *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; - 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 (data->beacon_ies && data->beacon_ies_len) { + mwifiex_update_vs_ie(data->beacon_ies, data->beacon_ies_len, + &beacon_ie, MGMT_MASK_BEACON, + WLAN_OUI_MICROSOFT, + WLAN_OUI_TYPE_MICROSOFT_WPS); + mwifiex_update_vs_ie(data->beacon_ies, data->beacon_ies_len, + &beacon_ie, MGMT_MASK_BEACON, + WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P); } - 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; - } + if (data->proberesp_ies && data->proberesp_ies_len) { + mwifiex_update_vs_ie(data->proberesp_ies, + data->proberesp_ies_len, &pr_ie, + MGMT_MASK_PROBE_RESP, WLAN_OUI_MICROSOFT, + WLAN_OUI_TYPE_MICROSOFT_WPS); + mwifiex_update_vs_ie(data->proberesp_ies, + data->proberesp_ies_len, &pr_ie, + MGMT_MASK_PROBE_RESP, + WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P); + } - 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 (data->assocresp_ies && data->assocresp_ies_len) { + mwifiex_update_vs_ie(data->assocresp_ies, + data->assocresp_ies_len, &ar_ie, + MGMT_MASK_ASSOC_RESP | + MGMT_MASK_REASSOC_RESP, + WLAN_OUI_MICROSOFT, + WLAN_OUI_TYPE_MICROSOFT_WPS); + mwifiex_update_vs_ie(data->assocresp_ies, + data->assocresp_ies_len, &ar_ie, + MGMT_MASK_ASSOC_RESP | + MGMT_MASK_REASSOC_RESP, WLAN_OUI_WFA, + WLAN_OUI_TYPE_WFA_P2P); } if (beacon_ie || pr_ie || ar_ie) { @@ -320,11 +313,67 @@ done: kfree(beacon_ie); kfree(pr_ie); kfree(ar_ie); - kfree(rsn_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_beacon_data *info) +{ + 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; + + 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); + 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, + 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; + gen_ie->ie_length = cpu_to_le16(ie_len); + } + + vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, + WLAN_OUI_TYPE_MICROSOFT_WPA, + info->tail, + info->tail_len); + if (vendor_ie) { + wpa_ie = (struct ieee_types_header *)vendor_ie; + memcpy(gen_ie->ie_buffer + ie_len, + wpa_ie, wpa_ie->len + 2); + ie_len += wpa_ie->len + 2; + gen_ie->ie_length = cpu_to_le16(ie_len); + } + + if (rsn_ie || wpa_ie) { + if (mwifiex_update_uap_custom_ie(priv, gen_ie, &rsn_idx, + NULL, NULL, + NULL, NULL)) { + kfree(gen_ie); + return -1; + } + priv->rsn_idx = rsn_idx; + } + + kfree(gen_ie); + } + + return mwifiex_set_mgmt_beacon_data_ies(priv, info); +} + /* This function removes management IE set */ int mwifiex_del_mgmt_ies(struct mwifiex_private *priv) { |
