WLAN_KEY_LEN_AES_CMAC = 16,
};
+/**
+ * enum - mesh path selection protocol identifier
+ *
+ * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
+ * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
+ * be specified in a vendor specific information element
+ */
+enum {
+ IEEE80211_PATH_PROTOCOL_HWMP = 0,
+ IEEE80211_PATH_PROTOCOL_VENDOR = 255,
+};
+
+/**
+ * enum - mesh path selection metric identifier
+ *
+ * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
+ * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
+ * specified in a vendor specific information element
+ */
+enum {
+ IEEE80211_PATH_METRIC_AIRTIME = 0,
+ IEEE80211_PATH_METRIC_VENDOR = 255,
+};
+
+
/*
* IEEE 802.11-2007 7.3.2.9 Country information element
*
* attributes, specifying what a key should be set as default as.
* See &enum nl80211_key_default_types.
*
+ * @NL80211_ATTR_MESH_SETUP: Optional mesh setup parameters. These cannot be
+ * changed once the mesh is active.
+ *
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
+ NL80211_ATTR_MESH_SETUP,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
/**
* enum nl80211_meshconf_params - mesh configuration parameters
*
- * Mesh configuration parameters
+ * Mesh configuration parameters. These can be changed while the mesh is
+ * active.
*
* @__NL80211_MESHCONF_INVALID: internal use
*
* @NL80211_MESHCONF_TTL: specifies the value of TTL field set at a source mesh
* point.
*
- * @NL80211_MESHCONF_ELEMENT_TTL: specifies the value of TTL field set at a
- * source mesh point for path selection elements.
- *
* @NL80211_MESHCONF_AUTO_OPEN_PLINKS: whether we should automatically
* open peer links when we detect compatible mesh peers.
*
*
* @NL80211_MESHCONF_ROOTMODE: whether root mode is enabled or not
*
+ * @NL80211_MESHCONF_ELEMENT_TTL: specifies the value of TTL field set at a
+ * source mesh point for path selection elements.
+ *
* @NL80211_MESHCONF_ATTR_MAX: highest possible mesh configuration attribute
*
* @__NL80211_MESHCONF_ATTR_AFTER_LAST: internal use
NL80211_MESHCONF_ATTR_MAX = __NL80211_MESHCONF_ATTR_AFTER_LAST - 1
};
+/**
+ * enum nl80211_mesh_setup_params - mesh setup parameters
+ *
+ * Mesh setup parameters. These are used to start/join a mesh and cannot be
+ * changed while the mesh is active.
+ *
+ * @__NL80211_MESH_SETUP_INVALID: Internal use
+ *
+ * @NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL: Enable this option to use a
+ * vendor specific path selection algorithm or disable it to use the default
+ * HWMP.
+ *
+ * @NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC: Enable this option to use a
+ * vendor specific path metric or disable it to use the default Airtime
+ * metric.
+ *
+ * @NL80211_MESH_SETUP_VENDOR_PATH_SEL_IE: A vendor specific information
+ * element that vendors will use to identify the path selection methods and
+ * metrics in use.
+ *
+ * @__NL80211_MESH_SETUP_ATTR_AFTER_LAST: Internal use
+ */
+enum nl80211_mesh_setup_params {
+ __NL80211_MESH_SETUP_INVALID,
+ NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL,
+ NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC,
+ NL80211_MESH_SETUP_VENDOR_PATH_SEL_IE,
+
+ /* keep last */
+ __NL80211_MESH_SETUP_ATTR_AFTER_LAST,
+ NL80211_MESH_SETUP_ATTR_MAX = __NL80211_MESH_SETUP_ATTR_AFTER_LAST - 1
+};
+
/**
* enum nl80211_txq_attr - TX queue parameter attributes
* @__NL80211_TXQ_ATTR_INVALID: Attribute number 0 is reserved
* struct mesh_setup - 802.11s mesh setup configuration
* @mesh_id: the mesh ID
* @mesh_id_len: length of the mesh ID, at least 1 and at most 32 bytes
+ * @path_sel_proto: which path selection protocol to use
+ * @path_metric: which metric to use
+ * @vendor_ie: vendor information elements (optional)
+ * @vendor_ie_len: length of vendor information elements
*
* These parameters are fixed when the mesh is created.
*/
struct mesh_setup {
const u8 *mesh_id;
u8 mesh_id_len;
+ u8 path_sel_proto;
+ u8 path_metric;
+ const u8 *vendor_ie;
+ u8 vendor_ie_len;
};
/**
return (mask >> (parm-1)) & 0x1;
}
+static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
+ const struct mesh_setup *setup)
+{
+ u8 *new_ie;
+ const u8 *old_ie;
+
+ /* first allocate the new vendor information element */
+ new_ie = NULL;
+ old_ie = ifmsh->vendor_ie;
+
+ ifmsh->vendor_ie_len = setup->vendor_ie_len;
+ if (setup->vendor_ie_len) {
+ new_ie = kmemdup(setup->vendor_ie, setup->vendor_ie_len,
+ GFP_KERNEL);
+ if (!new_ie)
+ return -ENOMEM;
+ }
+
+ /* now copy the rest of the setup parameters */
+ ifmsh->mesh_id_len = setup->mesh_id_len;
+ memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
+ ifmsh->mesh_pp_id = setup->path_sel_proto;
+ ifmsh->mesh_pm_id = setup->path_metric;
+ ifmsh->vendor_ie = new_ie;
+
+ kfree(old_ie);
+
+ return 0;
+}
+
static int ieee80211_update_mesh_config(struct wiphy *wiphy,
struct net_device *dev, u32 mask,
const struct mesh_config *nconf)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
+ int err;
- memcpy(&sdata->u.mesh.mshcfg, conf, sizeof(struct mesh_config));
- ifmsh->mesh_id_len = setup->mesh_id_len;
- memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
-
+ memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
+ err = copy_mesh_setup(ifmsh, setup);
+ if (err)
+ return err;
ieee80211_start_mesh(sdata);
return 0;
struct mesh_config mshcfg;
u32 mesh_seqnum;
bool accepting_plinks;
+ const u8 *vendor_ie;
+ u8 vendor_ie_len;
};
#ifdef CONFIG_MAC80211_MESH
struct ieee80211_if_vlan vlan;
struct ieee80211_if_managed mgd;
struct ieee80211_if_ibss ibss;
-#ifdef CONFIG_MAC80211_MESH
struct ieee80211_if_mesh mesh;
-#endif
u32 mntr_flags;
} u;
*pos++ |= sdata->u.mesh.accepting_plinks ?
MESHCONF_CAPAB_ACCEPT_PLINKS : 0x00;
*pos++ = 0x00;
+
+ if (sdata->u.mesh.vendor_ie) {
+ int len = sdata->u.mesh.vendor_ie_len;
+ const u8 *data = sdata->u.mesh.vendor_ie;
+ if (skb_tailroom(skb) > len)
+ memcpy(skb_put(skb, len), data, len);
+ }
}
u32 mesh_table_hash(u8 *addr, struct ieee80211_sub_if_data *sdata, struct mesh_table *tbl)
enum plink_frame_type action, u8 *da, __le16 llid, __le16 plid,
__le16 reason) {
struct ieee80211_local *local = sdata->local;
- struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
+ struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400 +
+ sdata->u.mesh.vendor_ie_len);
struct ieee80211_mgmt *mgmt;
bool include_plid = false;
static const u8 meshpeeringproto[] = { 0x00, 0x0F, 0xAC, 0x2A };
u8 *pos;
/* headroom, head length, tail length and maximum TIM length */
- skb = dev_alloc_skb(local->tx_headroom + 400);
+ skb = dev_alloc_skb(local->tx_headroom + 400 +
+ sdata->u.mesh.vendor_ie_len);
if (!skb)
goto out;
cfg80211_mgd_wext_connect(rdev, wdev);
break;
#endif
+#ifdef CONFIG_MAC80211_MESH
case NL80211_IFTYPE_MESH_POINT:
- /* backward compat code ... */
- if (wdev->mesh_id_up_len)
- __cfg80211_join_mesh(rdev, dev, wdev->ssid,
- wdev->mesh_id_up_len,
- &default_mesh_config);
- break;
+ {
+ /* backward compat code... */
+ struct mesh_setup setup;
+ memcpy(&setup, &default_mesh_setup,
+ sizeof(setup));
+ /* back compat only needed for mesh_id */
+ setup.mesh_id = wdev->ssid;
+ setup.mesh_id_len = wdev->mesh_id_up_len;
+ if (wdev->mesh_id_up_len)
+ __cfg80211_join_mesh(rdev, dev,
+ &setup,
+ &default_mesh_config);
+ break;
+ }
+#endif
default:
break;
}
/* mesh */
extern const struct mesh_config default_mesh_config;
+extern const struct mesh_setup default_mesh_setup;
int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
struct net_device *dev,
- const u8 *mesh_id, u8 mesh_id_len,
+ const struct mesh_setup *setup,
const struct mesh_config *conf);
int cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
struct net_device *dev,
- const u8 *mesh_id, u8 mesh_id_len,
+ const struct mesh_setup *setup,
const struct mesh_config *conf);
int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
struct net_device *dev);
.min_discovery_timeout = MESH_MIN_DISCOVERY_TIMEOUT,
};
+const struct mesh_setup default_mesh_setup = {
+ .path_sel_proto = IEEE80211_PATH_PROTOCOL_HWMP,
+ .path_metric = IEEE80211_PATH_METRIC_AIRTIME,
+ .vendor_ie = NULL,
+ .vendor_ie_len = 0,
+};
int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
struct net_device *dev,
- const u8 *mesh_id, u8 mesh_id_len,
+ const struct mesh_setup *setup,
const struct mesh_config *conf)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
- struct mesh_setup setup = {
- .mesh_id = mesh_id,
- .mesh_id_len = mesh_id_len,
- };
int err;
BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != IEEE80211_MAX_MESH_ID_LEN);
if (wdev->mesh_id_len)
return -EALREADY;
- if (!mesh_id_len)
+ if (!setup->mesh_id_len)
return -EINVAL;
if (!rdev->ops->join_mesh)
return -EOPNOTSUPP;
- err = rdev->ops->join_mesh(&rdev->wiphy, dev, conf, &setup);
+ err = rdev->ops->join_mesh(&rdev->wiphy, dev, conf, setup);
if (!err) {
- memcpy(wdev->ssid, mesh_id, mesh_id_len);
- wdev->mesh_id_len = mesh_id_len;
+ memcpy(wdev->ssid, setup->mesh_id, setup->mesh_id_len);
+ wdev->mesh_id_len = setup->mesh_id_len;
}
return err;
int cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
struct net_device *dev,
- const u8 *mesh_id, u8 mesh_id_len,
+ const struct mesh_setup *setup,
const struct mesh_config *conf)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
wdev_lock(wdev);
- err = __cfg80211_join_mesh(rdev, dev, mesh_id, mesh_id_len, conf);
+ err = __cfg80211_join_mesh(rdev, dev, setup, conf);
wdev_unlock(wdev);
return err;
[NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 },
};
+static const struct nla_policy
+ nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
+ [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
+ [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
+ [NL80211_MESH_SETUP_VENDOR_PATH_SEL_IE] = { .type = NLA_BINARY,
+ .len = IEEE80211_MAX_DATA_LEN },
+};
+
static int nl80211_parse_mesh_config(struct genl_info *info,
struct mesh_config *cfg,
u32 *mask_out)
dot11MeshHWMPRootMode, mask,
NL80211_MESHCONF_HWMP_ROOTMODE,
nla_get_u8);
-
if (mask_out)
*mask_out = mask;
+
return 0;
#undef FILL_IN_MESH_PARAM_IF_SET
}
+static int nl80211_parse_mesh_setup(struct genl_info *info,
+ struct mesh_setup *setup)
+{
+ struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
+
+ if (!info->attrs[NL80211_ATTR_MESH_SETUP])
+ return -EINVAL;
+ if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX,
+ info->attrs[NL80211_ATTR_MESH_SETUP],
+ nl80211_mesh_setup_params_policy))
+ return -EINVAL;
+
+ if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
+ setup->path_sel_proto =
+ (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
+ IEEE80211_PATH_PROTOCOL_VENDOR :
+ IEEE80211_PATH_PROTOCOL_HWMP;
+
+ if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
+ setup->path_metric =
+ (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
+ IEEE80211_PATH_METRIC_VENDOR :
+ IEEE80211_PATH_METRIC_AIRTIME;
+
+ if (tb[NL80211_MESH_SETUP_VENDOR_PATH_SEL_IE]) {
+ struct nlattr *ieattr =
+ tb[NL80211_MESH_SETUP_VENDOR_PATH_SEL_IE];
+ if (!is_valid_ie_attr(ieattr))
+ return -EINVAL;
+ setup->vendor_ie = nla_data(ieattr);
+ setup->vendor_ie_len = nla_len(ieattr);
+ }
+
+ return 0;
+}
+
static int nl80211_update_mesh_config(struct sk_buff *skb,
struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
struct mesh_config cfg;
+ struct mesh_setup setup;
int err;
/* start with default */
memcpy(&cfg, &default_mesh_config, sizeof(cfg));
+ memcpy(&setup, &default_mesh_setup, sizeof(setup));
if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
/* and parse parameters if given */
!nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
return -EINVAL;
- return cfg80211_join_mesh(rdev, dev,
- nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
- nla_len(info->attrs[NL80211_ATTR_MESH_ID]),
- &cfg);
+ setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
+ setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
+
+ if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
+ /* parse additional setup parameters if given */
+ err = nl80211_parse_mesh_setup(info, &setup);
+ if (err)
+ return err;
+ }
+
+ return cfg80211_join_mesh(rdev, dev, &setup, &cfg);
}
static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
projects / mirror_ubuntu-disco-kernel.git / commitdiff