[net-next PATCH 11/11] octeontx2-af: configure npc for cn10k to allow packets from cpt
From: Subbaraya Sundeep <sbhatta@marvell.com>
Date: 2021-08-17 04:45:49
Subsystem:
marvell octeontx2 rvu admin function driver, networking drivers, the rest · Maintainers:
Sunil Goutham, Ratheesh Kannoth, Geetha sowjanya, Subbaraya Sundeep, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Vidya <redacted> 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 <redacted> Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> --- 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 504dfa5..6f23100 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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2.7.4