bnxt_en: Disable aRFS if running on 212 firmware

[ Upstream commit 976e52b718c3de9077fff8f3f674afb159c57fb1 ]

212 firmware broke aRFS, so disable it.  Traffic may stop after ntuple
filters are inserted and deleted by the 212 firmware.

Fixes: ae10ae740ad2 ("bnxt_en: Add new hardware RFS mode.")
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 96b76b713dd82e82465e6d45f644e58216cfaa71..dbd99a8fd9c97e0d595eb5a978410d01fa6b34ab 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -10396,6 +10396,9 @@ static bool bnxt_rfs_supported(struct bnxt *bp)
                        return true;
                return false;
        }
+       /* 212 firmware is broken for aRFS */
+       if (BNXT_FW_MAJ(bp) == 212)
+               return false;
        if (BNXT_PF(bp) && !BNXT_CHIP_TYPE_NITRO_A0(bp))
                return true;
        if (bp->flags & BNXT_FLAG_NEW_RSS_CAP)