Commit c4413a20 authored by Alex Austin's avatar Alex Austin Committed by Jakub Kicinski
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sfc: Check firmware supports Ethernet PTP filter 



Not all firmware variants support RSS filters. Do not fail all PTP
functionality when raw ethernet PTP filters fail to insert.

Fixes: e4616f64 ("sfc: support PTP over Ethernet")
Signed-off-by: default avatarAlex Austin <alex.austin@amd.com>
Acked-by: default avatarEdward Cree <ecree.xilinx@gmail.com>
Reviewed-by: default avatarPieter Jansen van Vuuren <pieter.jansen-van-vuuren@amd.com>
Link: https://lore.kernel.org/r/20230824164657.42379-1-alex.austin@amd.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent ac975af5

drivers/net/ethernet/sfc/ptp.c

+3 −1
Original line number Diff line number Diff line
@@ -1485,7 +1485,9 @@ static int efx_ptp_insert_multicast_filters(struct efx_nic *efx) 
			goto fail;



		rc = efx_ptp_insert_eth_multicast_filter(efx);

		if (rc < 0)



		/* Not all firmware variants support this filter */

		if (rc < 0 && rc != -EPROTONOSUPPORT)

			goto fail;

	}