[PATCH 15/15] common/cnxk: enable SDP channel backpressure to TL4

[Nithin Dabilpuram]

From: Veerasenareddy Burru <vburru at marvell.com>

Configure TL4 to respond to SDP channel backpressure.

Signed-off-by: Veerasenareddy Burru <vburru at marvell.com>
---
 drivers/common/cnxk/roc_nix_tm_utils.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/common/cnxk/roc_nix_tm_utils.c b/drivers/common/cnxk/roc_nix_tm_utils.c
index a7ba2bf027..5864833109 100644
--- a/drivers/common/cnxk/roc_nix_tm_utils.c
+++ b/drivers/common/cnxk/roc_nix_tm_utils.c
@@ -582,8 +582,12 @@ nix_tm_topology_reg_prep(struct nix *nix, struct nix_tm_node *node,
 
 		/* Configure TL4 to send to SDP channel instead of CGX/LBK */
 		if (nix->sdp_link) {
+			plt_tm_dbg("relchan=%u schq=%u tx_chan_cnt=%u\n", relchan, schq,
+				   nix->tx_chan_cnt);
 			reg[k] = NIX_AF_TL4X_SDP_LINK_CFG(schq);
 			regval[k] = BIT_ULL(12);
+			regval[k] |= BIT_ULL(13);
+			regval[k] |= relchan;
 			k++;
 		}
 		break;
-- 
2.25.1