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Gennaro Cimmino
b3524cbdfa
The DMAC entries are written through set_egress_mac() and keyed on the
gateway's MAC alone. That is what an RTL930x L3_EGR_INTF_MAC entry
holds, but an RTL839x ROUTING row also names the switch MAC entry a
routed frame leaves with (SW_MAC_IDX), and routing with the MAC of the
device a route goes out of needs a row per gateway MAC and switch MAC
entry.
Give the entries a callback of their own, set_dmac(), which takes what
an entry holds, struct otto_l3_dmac: the gateway's MAC and the switch
MAC entry, which RTL930x does not take. RTL930x writes the entry
through otto_l3_930x_set_egress_mac() as before. RTL839x writes the
ROUTING row with SW_MAC_IDX from it, so set_egress_mac() is RTL930x's
alone now.
No functional change: every entry still holds a switch MAC entry of 0,
so the rows and the DMAC entries written, and which routes share them,
are as they were. Compile-tested on rtl839x and rtl930x; route-tested
on an HPE 1920-48G (RTL8393) together with the following patch, on
f29dfe25ba.
Assisted-by: Claude:claude-opus-5-5
Signed-off-by: Gennaro Cimmino <gcimmino@rayonra.net>
Link: https://github.com/openwrt/openwrt/pull/25822
Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>