Enable mac80211 mesh networking support

configname: CONFIG_MAC80211_MESH

Linux Kernel Configuration
└─>Networking support
└─>Wireless
└─>Enable mac80211 mesh networking support
In linux kernel since version 2.6.26 (release Date: 2008-07-13)  
Select this option to enable 802.11 mesh operation in mac80211
drivers that support it. 802.11 mesh connects multiple stations
over (possibly multi-hop) wireless links to form a single logical
LAN.