br_stp_if.c

["Echo.Li" <glli@tecomtech.com>]

Hi.
I read the bridge code of linux kernel. But now I meet a puzzle.  
In file net/bridge/br_stp_if.c line 157
Void br_stp_recalculate_bridge_id() {
?.
List_for_each_entry(p, &br->port_list, list) {
     If (addr==br_mac_zeor ||
     Memcmp(p->dev->dev_addr, addr, ETH_ALEN) <0)  //why to find the min of
all macs????
         Add = p->dev->dev_addr;
}
?
}

Who can answer my question? Thanks very much!!!!

BR,
Echo


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