This adds an implementation for trapping IGMP packets to the CPU
which will identify IGMPv1/2/3 packets, but handle only v3.
The implementation then inserts/updates/deletes L3 MC entries
in the L3 lookup table. The entries consist of an Ipv4
Destination IP (the IPv4 MC address), a Source IP (0.0.0.0) and
a Portmask. Note that this implementation is not VLAN aware,
as there is no hardware support in the device.
An alternative strategy is to control switching of the L2-MC packets
in which the IPv4-MC packets are transported (dst-MaC is
01:00:5e:xx:yy:zz, with xx:yy:zz corresponding to bits in the Ipv4-MC
address). This will allow to use VLAN-aware packet switching. While
code support is there for table insert/update/deletes, some further
L2 configuration is missing.
There is no support for IPv6 MC, yet.
The RTL8272/3 use 2 32 bit registers to indicate the MAC link speed, the
second register is used for ports 8 and 9, where 9 is the CPU port.
Use both registers.
This fixes handling of the SFP ports in the stat command.
The output of the command now is for physical ports, which however are
not shown in sequence.
This adds a command history, both for the CLI as well as for
commands sent by the web-interface. They are written to a ring buffer
in order to work safely with a relatively small amount of RAM
The buffer is used to read the current in-RAM configuration
from the switch by the web-interface. It could also be used
to implement cmd history via cursor up/down in the CLI.
This removes the limitation that a file served from FLASH memory
needs to be smaller than the TCP buffer size. Now we serve up to
the TCP buffer size in the first go and then remember what parts
still need to be sent. As soon as the previous package has been
acked, the next chunk of data is copied from flash into the
TCP transmit buffer and gets sent. We take care only to send
the current TCP window size so no further fragmentation needs to
happen, thus optimizing transmission of the remainder.
Fix several bugs found in the write-flash code during installer coding.
Move all flash functions into CODE0. This is required to share these
functions with the installer image (currently they are duplicated so
they are not within the CODE1 segment).
De-magics all Flash command codes based on the Winbond W25Q32JV
datasheet.
Adds a timeer for calling the STP state machine which currently sends out
CNF (HELLO) packages.
Identifies incoming STP packets and calls the stp_in() routine to handle these.
This reads RSTP configuration packages and updates the
state information about the believed Root-bridge. New
RSTP packages are sent with the updated information.
Each register holds the STP port state for one Forwarding ID (FID),
of which there 16 can be used by the RTL8372. The mapping between
FID and VLAN is done in the VLAN table. This allows the SoC
to maintain 16 different MSTP states.
In the register 2 bits per port are used to designate the following
(R)STP states
00 disable, 01 blocking, 10 learning, 11 forwarding
The STP listening state is not available.
logicog