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path: root/drivers/net/wireless/mwifiex/ie.c
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Diffstat (limited to 'drivers/net/wireless/mwifiex/ie.c')
-rw-r--r--drivers/net/wireless/mwifiex/ie.c233
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)
{