The packing facility is needed to decode Ethernet meta frames containing source port and RX timestamping information. The DSA driver selects CONFIG_PACKING, but the tagger did not, and since taggers can be now compiled as modules independently from the drivers themselves, this is an issue now, as CONFIG_PACKING is disabled by default on all architectures. Fixes: e53e18a6fe4d ("net: dsa: sja1105: Receive and decode meta frames") Signed-off-by: Vladimir Oltean <olteanv@xxxxxxxxx> Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> --- net/dsa/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/net/dsa/Kconfig b/net/dsa/Kconfig index d449f78c1bd0..6e942dda1bcd 100644 --- a/net/dsa/Kconfig +++ b/net/dsa/Kconfig @@ -106,6 +106,7 @@ config NET_DSA_TAG_LAN9303 config NET_DSA_TAG_SJA1105 tristate "Tag driver for NXP SJA1105 switches" select NET_DSA_TAG_8021Q + select PACKING help Say Y or M if you want to enable support for tagging frames with the NXP SJA1105 switch family. Both the native tagging protocol (which -- 2.17.1