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-rw-r--r--net/mac80211/cfg.c68
-rw-r--r--net/mac80211/ieee80211_i.h21
-rw-r--r--net/wireless/nl80211.c191
3 files changed, 260 insertions, 20 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 55e3a26510e..91f56a48e2b 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -951,6 +951,72 @@ static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
rcu_read_unlock();
return 0;
}
+
+static int ieee80211_get_mesh_params(struct wiphy *wiphy,
+ struct net_device *dev,
+ struct mesh_config *conf)
+{
+ struct ieee80211_sub_if_data *sdata;
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
+ return -ENOTSUPP;
+ memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
+ return 0;
+}
+
+static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
+{
+ return (mask >> (parm-1)) & 0x1;
+}
+
+static int ieee80211_set_mesh_params(struct wiphy *wiphy,
+ struct net_device *dev,
+ const struct mesh_config *nconf, u32 mask)
+{
+ struct mesh_config *conf;
+ struct ieee80211_sub_if_data *sdata;
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
+ return -ENOTSUPP;
+
+ /* Set the config options which we are interested in setting */
+ conf = &(sdata->u.mesh.mshcfg);
+ if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
+ conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
+ if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
+ conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
+ if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
+ conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
+ if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
+ conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
+ if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
+ conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
+ if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
+ conf->dot11MeshTTL = nconf->dot11MeshTTL;
+ if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
+ conf->auto_open_plinks = nconf->auto_open_plinks;
+ if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
+ conf->dot11MeshHWMPmaxPREQretries =
+ nconf->dot11MeshHWMPmaxPREQretries;
+ if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
+ conf->path_refresh_time = nconf->path_refresh_time;
+ if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
+ conf->min_discovery_timeout = nconf->min_discovery_timeout;
+ if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
+ conf->dot11MeshHWMPactivePathTimeout =
+ nconf->dot11MeshHWMPactivePathTimeout;
+ if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
+ conf->dot11MeshHWMPpreqMinInterval =
+ nconf->dot11MeshHWMPpreqMinInterval;
+ if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
+ mask))
+ conf->dot11MeshHWMPnetDiameterTraversalTime =
+ nconf->dot11MeshHWMPnetDiameterTraversalTime;
+ return 0;
+}
+
#endif
static int ieee80211_change_bss(struct wiphy *wiphy,
@@ -1007,6 +1073,8 @@ struct cfg80211_ops mac80211_config_ops = {
.change_mpath = ieee80211_change_mpath,
.get_mpath = ieee80211_get_mpath,
.dump_mpath = ieee80211_dump_mpath,
+ .set_mesh_params = ieee80211_set_mesh_params,
+ .get_mesh_params = ieee80211_get_mesh_params,
#endif
.change_bss = ieee80211_change_bss,
};
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index fe4efdd4253..2c91108e390 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -23,6 +23,7 @@
#include <linux/types.h>
#include <linux/spinlock.h>
#include <linux/etherdevice.h>
+#include <net/cfg80211.h>
#include <net/wireless.h>
#include <net/iw_handler.h>
#include <net/mac80211.h>
@@ -247,26 +248,6 @@ struct mesh_preq_queue {
u8 flags;
};
-struct mesh_config {
- /* Timeouts in ms */
- /* Mesh plink management parameters */
- u16 dot11MeshRetryTimeout;
- u16 dot11MeshConfirmTimeout;
- u16 dot11MeshHoldingTimeout;
- u16 dot11MeshMaxPeerLinks;
- u8 dot11MeshMaxRetries;
- u8 dot11MeshTTL;
- bool auto_open_plinks;
- /* HWMP parameters */
- u8 dot11MeshHWMPmaxPREQretries;
- u32 path_refresh_time;
- u16 min_discovery_timeout;
- u32 dot11MeshHWMPactivePathTimeout;
- u16 dot11MeshHWMPpreqMinInterval;
- u16 dot11MeshHWMPnetDiameterTraversalTime;
-};
-
-
/* flags used in struct ieee80211_if_sta.flags */
#define IEEE80211_STA_SSID_SET BIT(0)
#define IEEE80211_STA_BSSID_SET BIT(1)
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 2b87aec231e..9a16e9e6c5c 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -96,6 +96,8 @@ static struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] __read_mostly = {
[NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
[NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
+ [NL80211_ATTR_MESH_PARAMS] = { .type = NLA_NESTED },
+
[NL80211_ATTR_HT_CAPABILITY] = { .type = NLA_BINARY,
.len = NL80211_HT_CAPABILITY_LEN },
};
@@ -1698,6 +1700,183 @@ static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
return r;
}
+static int nl80211_get_mesh_params(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct cfg80211_registered_device *drv;
+ struct mesh_config cur_params;
+ int err;
+ struct net_device *dev;
+ void *hdr;
+ struct nlattr *pinfoattr;
+ struct sk_buff *msg;
+
+ /* Look up our device */
+ err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ if (err)
+ return err;
+
+ /* Get the mesh params */
+ rtnl_lock();
+ err = drv->ops->get_mesh_params(&drv->wiphy, dev, &cur_params);
+ rtnl_unlock();
+ if (err)
+ goto out;
+
+ /* Draw up a netlink message to send back */
+ msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+ if (!msg) {
+ err = -ENOBUFS;
+ goto out;
+ }
+ hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
+ NL80211_CMD_GET_MESH_PARAMS);
+ if (!hdr)
+ goto nla_put_failure;
+ pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_PARAMS);
+ if (!pinfoattr)
+ goto nla_put_failure;
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
+ NLA_PUT_U16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
+ cur_params.dot11MeshRetryTimeout);
+ NLA_PUT_U16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
+ cur_params.dot11MeshConfirmTimeout);
+ NLA_PUT_U16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
+ cur_params.dot11MeshHoldingTimeout);
+ NLA_PUT_U16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
+ cur_params.dot11MeshMaxPeerLinks);
+ NLA_PUT_U8(msg, NL80211_MESHCONF_MAX_RETRIES,
+ cur_params.dot11MeshMaxRetries);
+ NLA_PUT_U8(msg, NL80211_MESHCONF_TTL,
+ cur_params.dot11MeshTTL);
+ NLA_PUT_U8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
+ cur_params.auto_open_plinks);
+ NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
+ cur_params.dot11MeshHWMPmaxPREQretries);
+ NLA_PUT_U32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
+ cur_params.path_refresh_time);
+ NLA_PUT_U16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
+ cur_params.min_discovery_timeout);
+ NLA_PUT_U32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
+ cur_params.dot11MeshHWMPactivePathTimeout);
+ NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
+ cur_params.dot11MeshHWMPpreqMinInterval);
+ NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
+ cur_params.dot11MeshHWMPnetDiameterTraversalTime);
+ nla_nest_end(msg, pinfoattr);
+ genlmsg_end(msg, hdr);
+ err = genlmsg_unicast(msg, info->snd_pid);
+ goto out;
+
+nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ err = -EMSGSIZE;
+out:
+ /* Cleanup */
+ cfg80211_put_dev(drv);
+ dev_put(dev);
+ return err;
+}
+
+#define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \
+do {\
+ if (table[attr_num]) {\
+ cfg.param = nla_fn(table[attr_num]); \
+ mask |= (1 << (attr_num - 1)); \
+ } \
+} while (0);\
+
+static struct nla_policy
+nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] __read_mostly = {
+ [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 },
+ [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 },
+ [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 },
+ [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 },
+ [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 },
+ [NL80211_MESHCONF_TTL] = { .type = NLA_U8 },
+ [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 },
+
+ [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
+ [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
+ [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 },
+ [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
+ [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 },
+ [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 },
+};
+
+static int nl80211_set_mesh_params(struct sk_buff *skb, struct genl_info *info)
+{
+ int err;
+ u32 mask;
+ struct cfg80211_registered_device *drv;
+ struct net_device *dev;
+ struct mesh_config cfg;
+ struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
+ struct nlattr *parent_attr;
+
+ parent_attr = info->attrs[NL80211_ATTR_MESH_PARAMS];
+ if (!parent_attr)
+ return -EINVAL;
+ if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX,
+ parent_attr, nl80211_meshconf_params_policy))
+ return -EINVAL;
+
+ err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ if (err)
+ return err;
+
+ /* This makes sure that there aren't more than 32 mesh config
+ * parameters (otherwise our bitfield scheme would not work.) */
+ BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
+
+ /* Fill in the params struct */
+ mask = 0;
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout,
+ mask, NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout,
+ mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, nla_get_u16);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout,
+ mask, NL80211_MESHCONF_HOLDING_TIMEOUT, nla_get_u16);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks,
+ mask, NL80211_MESHCONF_MAX_PEER_LINKS, nla_get_u16);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries,
+ mask, NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL,
+ mask, NL80211_MESHCONF_TTL, nla_get_u8);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks,
+ mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, nla_get_u8);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries,
+ mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
+ nla_get_u8);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time,
+ mask, NL80211_MESHCONF_PATH_REFRESH_TIME, nla_get_u32);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout,
+ mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
+ nla_get_u16);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
+ mask, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
+ nla_get_u32);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval,
+ mask, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
+ nla_get_u16);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
+ dot11MeshHWMPnetDiameterTraversalTime,
+ mask, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
+ nla_get_u16);
+
+ /* Apply changes */
+ rtnl_lock();
+ err = drv->ops->set_mesh_params(&drv->wiphy, dev, &cfg, mask);
+ rtnl_unlock();
+
+ /* cleanup */
+ cfg80211_put_dev(drv);
+ dev_put(dev);
+ return err;
+}
+
+#undef FILL_IN_MESH_PARAM_IF_SET
+
static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
{
struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
@@ -1915,6 +2094,18 @@ static struct genl_ops nl80211_ops[] = {
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
},
+ {
+ .cmd = NL80211_CMD_GET_MESH_PARAMS,
+ .doit = nl80211_get_mesh_params,
+ .policy = nl80211_policy,
+ /* can be retrieved by unprivileged users */
+ },
+ {
+ .cmd = NL80211_CMD_SET_MESH_PARAMS,
+ .doit = nl80211_set_mesh_params,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
};
/* multicast groups */
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-24 06:22:17 +0000