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* [dpdk-dev] [PATCH] common/cnxk: fix second pass flow rule layer type
@ 2023-01-31  3:36 psatheesh
  2023-02-07 12:29 ` Jerin Jacob
  0 siblings, 1 reply; 2+ messages in thread
From: psatheesh @ 2023-01-31  3:36 UTC (permalink / raw)
  To: Nithin Dabilpuram, Kiran Kumar K, Sunil Kumar Kori, Satha Rao
  Cc: dev, Satheesh Paul, stable

From: Satheesh Paul <psatheesh@marvell.com>

When installing flow rule for second pass packets, set the
LA LTYPE to LA_CPT_HDR.

Fixes: 4968b362b63 ("common/cnxk: support CPT second pass flow rules")
Cc: stable@dpdk.org

Signed-off-by: Satheesh Paul <psatheesh@marvell.com>
Reviewed-by: Kiran Kumar K <kirankumark@marvell.com>
---
 drivers/common/cnxk/roc_npc_mcam.c      | 24 +++++++++++++++++-------
 drivers/common/cnxk/roc_npc_mcam_dump.c |  6 ++++--
 2 files changed, 21 insertions(+), 9 deletions(-)

diff --git a/drivers/common/cnxk/roc_npc_mcam.c b/drivers/common/cnxk/roc_npc_mcam.c
index 312424d1c2..06f3212e8d 100644
--- a/drivers/common/cnxk/roc_npc_mcam.c
+++ b/drivers/common/cnxk/roc_npc_mcam.c
@@ -668,22 +668,32 @@ npc_mcam_alloc_and_write(struct npc *npc, struct roc_npc_flow *flow,
 			npc_mcam_set_channel(flow, req, npc->channel, (BIT_ULL(12) - 1),
 					     pst->is_second_pass_rule);
 		}
-		/* Always match both 1st pass and 2nd pass ltypes for all rules */
-		if (!pst->is_second_pass_rule && pst->has_eth_type) {
+		/*
+		 * For second pass rule, set LA LTYPE to CPT_HDR.
+		 * For all other rules, set LA LTYPE to match both 1st pass and 2nd pass ltypes.
+		 */
+		if (pst->is_second_pass_rule || (!pst->is_second_pass_rule && pst->has_eth_type)) {
 			la_offset = __builtin_popcount(npc->keyx_supp_nmask[flow->nix_intf] &
 						       ((1ULL << 9 /* LA offset */) - 1));
 			la_offset *= 4;
 
 			mask = ~((0xfULL << la_offset));
-			/* Mask ltype ETHER (0x2) and CPT_HDR (0xa)  */
 			req->entry_data.kw[0] &= mask;
 			req->entry_data.kw_mask[0] &= mask;
-			req->entry_data.kw[0] |= (0x2ULL << la_offset);
-			req->entry_data.kw_mask[0] |= (0x7ULL << la_offset);
 			flow->mcam_data[0] &= mask;
 			flow->mcam_mask[0] &= mask;
-			flow->mcam_data[0] |= (0x2ULL << la_offset);
-			flow->mcam_mask[0] |= (0x7ULL << la_offset);
+			if (pst->is_second_pass_rule) {
+				req->entry_data.kw[0] |= ((uint64_t)NPC_LT_LA_CPT_HDR) << la_offset;
+				req->entry_data.kw_mask[0] |= (0xFULL << la_offset);
+				flow->mcam_data[0] |= ((uint64_t)NPC_LT_LA_CPT_HDR) << la_offset;
+				flow->mcam_mask[0] |= (0xFULL << la_offset);
+			} else {
+				/* Mask ltype ETHER (0x2) and CPT_HDR (0xa)  */
+				req->entry_data.kw[0] |= (0x2ULL << la_offset);
+				req->entry_data.kw_mask[0] |= (0x7ULL << la_offset);
+				flow->mcam_data[0] |= (0x2ULL << la_offset);
+				flow->mcam_mask[0] |= (0x7ULL << la_offset);
+			}
 		}
 	} else {
 		uint16_t pf_func = (flow->npc_action >> 4) & 0xffff;
diff --git a/drivers/common/cnxk/roc_npc_mcam_dump.c b/drivers/common/cnxk/roc_npc_mcam_dump.c
index 2aaa2ac671..40909b45e6 100644
--- a/drivers/common/cnxk/roc_npc_mcam_dump.c
+++ b/drivers/common/cnxk/roc_npc_mcam_dump.c
@@ -69,8 +69,10 @@ static const char *const ltype_str[NPC_MAX_LID][NPC_MAX_LT] = {
 	[NPC_LID_LA][NPC_LT_LA_IH_NIX_ETHER] = "LA_IH_NIX_ETHER",
 	[NPC_LID_LA][NPC_LT_LA_HIGIG2_ETHER] = "LA_HIGIG2_ETHER",
 	[NPC_LID_LA][NPC_LT_LA_IH_NIX_HIGIG2_ETHER] = "LA_IH_NIX_HIGIG2_ETHER",
-	[NPC_LID_LA][NPC_LT_LA_CUSTOM_PRE_L2_ETHER] =
-		"NPC_LT_LA_CUSTOM_PRE_L2_ETHER",
+	[NPC_LID_LA][NPC_LT_LA_CUSTOM_L2_90B_ETHER] = "LA_CUSTOM_L2_90B_ETHER",
+	[NPC_LID_LA][NPC_LT_LA_CPT_HDR] = "LA_CPT_HDR",
+	[NPC_LID_LA][NPC_LT_LA_CUSTOM_L2_24B_ETHER] = "LA_CUSTOM_L2_24B_ETHER",
+	[NPC_LID_LA][NPC_LT_LA_CUSTOM_PRE_L2_ETHER] = "NPC_LT_LA_CUSTOM_PRE_L2_ETHER",
 	[NPC_LID_LB][0] = "NONE",
 	[NPC_LID_LB][NPC_LT_LB_CTAG] = "LB_CTAG",
 	[NPC_LID_LB][NPC_LT_LB_STAG_QINQ] = "LB_STAG_QINQ",
-- 
2.35.3


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2023-01-31  3:36 [dpdk-dev] [PATCH] common/cnxk: fix second pass flow rule layer type psatheesh
2023-02-07 12:29 ` Jerin Jacob

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