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authorAlex Austin <[email protected]>2023-08-24 17:46:57 +0100
committerJakub Kicinski <[email protected]>2023-08-25 18:57:34 -0700
commitc4413a20fa6d7c4888009fb7dd391685f196cd36 (patch)
treee2586e88d2b66c4bdad20be98948d1aecd47a058
parentac975af5a7cab18950221e9b7204d0df6e949f54 (diff)
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: e4616f64726b ("sfc: support PTP over Ethernet") Signed-off-by: Alex Austin <[email protected]> Acked-by: Edward Cree <[email protected]> Reviewed-by: Pieter Jansen van Vuuren <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
-rw-r--r--drivers/net/ethernet/sfc/ptp.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c
index 0c40571133cb..00cf6de3bb2b 100644
--- a/drivers/net/ethernet/sfc/ptp.c
+++ b/drivers/net/ethernet/sfc/ptp.c
@@ -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;
}