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Commit a6dad6a2 authored by Thomas Pedersen's avatar Thomas Pedersen Committed by Johannes Berg
Browse files

mac80211: support userspace MPM 



Earlier mac80211 would check whether some kind of mesh
security was enabled, when the real question was "is the
MPM in userspace"?

Signed-off-by: default avatarThomas Pedersen <thomas@cozybit.com>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent eef941e6

net/mac80211/cfg.c

+2 −1
Original line number Diff line number Diff line
@@ -1435,7 +1435,7 @@ static int ieee80211_change_station(struct wiphy *wiphy, 


	switch (sdata->vif.type) {

	case NL80211_IFTYPE_MESH_POINT:

		if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)

		if (sdata->u.mesh.user_mpm)

			statype = CFG80211_STA_MESH_PEER_USER;

		else

			statype = CFG80211_STA_MESH_PEER_KERNEL;
@@ -1729,6 +1729,7 @@ static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, 
	ifmsh->mesh_sp_id = setup->sync_method;

	ifmsh->mesh_pp_id = setup->path_sel_proto;

	ifmsh->mesh_pm_id = setup->path_metric;

	ifmsh->user_mpm = setup->user_mpm;

	ifmsh->security = IEEE80211_MESH_SEC_NONE;

	if (setup->is_authenticated)

		ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;

net/mac80211/ieee80211_i.h

+1 −0
Original line number Diff line number Diff line
@@ -588,6 +588,7 @@ struct ieee80211_if_mesh { 
		IEEE80211_MESH_SEC_AUTHED = 0x1,

		IEEE80211_MESH_SEC_SECURED = 0x2,

	} security;

	bool user_mpm;

	/* Extensible Synchronization Framework */

	const struct ieee80211_mesh_sync_ops *sync_ops;

	s64 sync_offset_clockdrift_max;

net/mac80211/main.c

+2 −1
Original line number Diff line number Diff line
@@ -569,7 +569,8 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, 
	wiphy->features |= NL80211_FEATURE_SK_TX_STATUS |

			   NL80211_FEATURE_SAE |

			   NL80211_FEATURE_HT_IBSS |

			   NL80211_FEATURE_VIF_TXPOWER;

			   NL80211_FEATURE_VIF_TXPOWER |

			   NL80211_FEATURE_USERSPACE_MPM;



	if (!ops->hw_scan)

		wiphy->features |= NL80211_FEATURE_LOW_PRIORITY_SCAN |

net/mac80211/mesh.c

+1 −1
Original line number Diff line number Diff line
@@ -156,7 +156,7 @@ void mesh_sta_cleanup(struct sta_info *sta) 
	 * an update.

	 */

	changed = mesh_accept_plinks_update(sdata);

	if (sdata->u.mesh.security == IEEE80211_MESH_SEC_NONE) {

	if (!sdata->u.mesh.user_mpm) {

		changed |= mesh_plink_deactivate(sta);

		del_timer_sync(&sta->plink_timer);

	}

net/mac80211/mesh_plink.c

+7 −2
Original line number Diff line number Diff line
@@ -437,8 +437,9 @@ mesh_sta_info_alloc(struct ieee80211_sub_if_data *sdata, u8 *addr, 
{

	struct sta_info *sta = NULL;



	/* Userspace handles peer allocation when security is enabled */

	if (sdata->u.mesh.security & IEEE80211_MESH_SEC_AUTHED)

	/* Userspace handles station allocation */

	if (sdata->u.mesh.user_mpm ||

	    sdata->u.mesh.security & IEEE80211_MESH_SEC_AUTHED)

		cfg80211_notify_new_peer_candidate(sdata->dev, addr,

						   elems->ie_start,

						   elems->total_len,
@@ -670,6 +671,10 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, 
	if (len < IEEE80211_MIN_ACTION_SIZE + 3)

		return;



	if (sdata->u.mesh.user_mpm)

		/* userspace must register for these */

		return;



	if (is_multicast_ether_addr(mgmt->da)) {

		mpl_dbg(sdata,

			"Mesh plink: ignore frame from multicast address\n");