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cfg80211/mac80211: add connected to auth server to meshconf

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Besides information about num of peerings and gate connectivity,
the mesh formation byte also contains a flag for authentication
server connectivity, that currently cannot be set in the mesh conf.
This patch adds this capability, which is necessary to implement
802.1X authentication in mesh mode.

Signed-off-by: Markus Theil <markus.theil@tu-ilmenau.de>
Link: https://lore.kernel.org/r/20200611140238.427461-1-markus.theil@tu-ilmenau.de
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Markus Theil
2020-06-11 16:02:37 +02:00
committed by Johannes Berg
parent e3718a6114
commit 184eebe664
6 changed files with 23 additions and 2 deletions
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5
net/mac80211/mesh.c
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@@ -260,6 +260,7 @@ int mesh_add_meshconf_ie(struct ieee80211_sub_if_data *sdata,
bool is_connected_to_gate = ifmsh->num_gates > 0 ||
ifmsh->mshcfg.dot11MeshGateAnnouncementProtocol ||
ifmsh->mshcfg.dot11MeshConnectedToMeshGate;
bool is_connected_to_as = ifmsh->mshcfg.dot11MeshConnectedToAuthServer;
if (skb_tailroom(skb) < 2 + meshconf_len)
return -ENOMEM;
@@ -284,7 +285,9 @@ int mesh_add_meshconf_ie(struct ieee80211_sub_if_data *sdata,
/* Mesh Formation Info - number of neighbors */
neighbors = atomic_read(&ifmsh->estab_plinks);
neighbors = min_t(int, neighbors, IEEE80211_MAX_MESH_PEERINGS);
*pos++ = (neighbors << 1) | is_connected_to_gate;
*pos++ = (is_connected_to_as << 7) |
(neighbors << 1) |
is_connected_to_gate;
/* Mesh capability */
*pos = 0x00;
*pos |= ifmsh->mshcfg.dot11MeshForwarding ?