From aee512249190b51599a451e0d151f9335a57d6cc Mon Sep 17 00:00:00 2001
From: Vidya <vvelumuri@marvell.com>
Date: Tue, 17 Aug 2021 10:14:53 +0530
Subject: [PATCH] octeontx2-af: configure npc for cn10k to allow packets from
cpt
On CN10K, the higher bits in the channel number represents the CPT
channel number. Mask out these higher bits in the npc configuration
to allow packets from cpt for parsing.
Signed-off-by: Vidya <vvelumuri@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
index 504dfa5a18c42..6f231008c8a45 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
@@ -724,7 +724,17 @@ void rvu_npc_install_promisc_entry(struct rvu *rvu, u16 pcifunc,
action.index = pfvf->promisc_mce_idx;
}
- req.chan_mask = 0xFFFU;
+ /* For cn10k the upper two bits of the channel number are
+ * cpt channel number. with masking out these bits in the
+ * mcam entry, same entry used for NIX will allow packets
+ * received from cpt for parsing.
+ */
+ if (!is_rvu_otx2(rvu)) {
+ req.chan_mask = NIX_CHAN_CPT_X2P_MASK;
+ } else {
+ req.chan_mask = 0xFFFU;
+ }
+
if (chan_cnt > 1) {
if (!is_power_of_2(chan_cnt)) {
dev_err(rvu->dev,
--
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