From: Parthasarathy Bhuvaragan <[email protected]> Date: Thu, 1 Sep 2016 16:22:16 +0200
> In a dual bearer configuration, if the second tipc link becomes > active while the first link still has pending nametable "bulk" > updates, it randomly leads to reset of the second link. > > When a link is established, the function named_distribute(), > fills the skb based on node mtu (allows room for TUNNEL_PROTOCOL) > with NAME_DISTRIBUTOR message for each PUBLICATION. > However, the function named_distribute() allocates the buffer by > increasing the node mtu by INT_H_SIZE (to insert NAME_DISTRIBUTOR). > This consumes the space allocated for TUNNEL_PROTOCOL. > > When establishing the second link, the link shall tunnel all the > messages in the first link queue including the "bulk" update. > As size of the NAME_DISTRIBUTOR messages while tunnelling, exceeds > the link mtu the transmission fails (-EMSGSIZE). > > Thus, the synch point based on the message count of the tunnel > packets is never reached leading to link timeout. > > In this commit, we adjust the size of name distributor message so that > they can be tunnelled. > > Reviewed-by: Jon Maloy <[email protected]> > Signed-off-by: Parthasarathy Bhuvaragan > <[email protected]> Applied. ------------------------------------------------------------------------------ _______________________________________________ tipc-discussion mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/tipc-discussion
