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From: | address@hidden |
Subject: | Re: [lwip-devel] Bridge Implementation |
Date: | Fri, 10 Feb 2017 21:08:58 +0100 |
User-agent: | Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.7.2 |
The difference of the 9th port is that it can receive traffic from all ports, configure the switch (i.e. its forwarding database) and send either to a dedicated port or letting the switch logic select the destination port.
Just to clarify my point of view: the things we would need to clarify are:a) how can we detect the RX port when a pbuf is received in lwIP (i.e. on the 9th port) and b) how can we tell the bridge/switch to auto-select (1 or more) target port(s) or send to (one or more) specific port(s)
The rest is an implementation detail of the bridge/switch. Which might be implemented in software or possibly in a real switch IC. I'm not opposed to sharing such a software implementation, but as I said before, I only see the 2 points above as belonging into "core" lwIP. The software implementation of a bridge/switch is "just another netif driver"...
Simon
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