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From: Rahul Bhansali <rbhansali@marvell.com>
To: <dev@dpdk.org>, Nithin Dabilpuram <ndabilpuram@marvell.com>,
	Kiran Kumar K <kirankumark@marvell.com>,
	Sunil Kumar Kori <skori@marvell.com>,
	Satha Rao <skoteshwar@marvell.com>
Cc: <jerinj@marvell.com>, Rahul Bhansali <rbhansali@marvell.com>
Subject: [PATCH 2/2] net/cnxk: update IPsec completion code handling
Date: Mon, 14 Nov 2022 16:23:21 +0530	[thread overview]
Message-ID: <20221114105321.163430-2-rbhansali@marvell.com> (raw)
In-Reply-To: <20221114105321.163430-1-rbhansali@marvell.com>

Update IPsec handling with reference from UCODE version
OCPT-04-IE-IPSEC-MC-30-01-28-00

Signed-off-by: Rahul Bhansali <rbhansali@marvell.com>
---
 drivers/net/cnxk/cn10k_rx.h | 170 ++++++++++++++++++++----------------
 1 file changed, 95 insertions(+), 75 deletions(-)

diff --git a/drivers/net/cnxk/cn10k_rx.h b/drivers/net/cnxk/cn10k_rx.h
index 4e22ceda02..ff01c2d8b3 100644
--- a/drivers/net/cnxk/cn10k_rx.h
+++ b/drivers/net/cnxk/cn10k_rx.h
@@ -42,17 +42,12 @@
 		 (uint64_t *)(((uintptr_t)((uint64_t *)(b))[i]) - (o)) :       \
 		       (uint64_t *)(((uintptr_t)(b)) + CQE_SZ(i) - (o)))
 
-#define NIX_RX_SEC_UCC_CONST                                                   \
-	((RTE_MBUF_F_RX_IP_CKSUM_BAD >> 1) << 8 |                              \
-	 ((RTE_MBUF_F_RX_IP_CKSUM_GOOD | RTE_MBUF_F_RX_L4_CKSUM_GOOD) >> 1)    \
-		 << 24 |                                                       \
-	 ((RTE_MBUF_F_RX_IP_CKSUM_GOOD | RTE_MBUF_F_RX_L4_CKSUM_BAD) >> 1)     \
-		 << 32 |                                                       \
-	 ((RTE_MBUF_F_RX_IP_CKSUM_GOOD | RTE_MBUF_F_RX_L4_CKSUM_GOOD) >> 1)    \
-		 << 40 |                                                       \
-	 ((RTE_MBUF_F_RX_IP_CKSUM_GOOD | RTE_MBUF_F_RX_L4_CKSUM_GOOD) >> 1)    \
-		 << 48 |                                                       \
-	 (RTE_MBUF_F_RX_IP_CKSUM_GOOD >> 1) << 56)
+#define NIX_RX_SEC_UCC_CONST                                                                       \
+	((RTE_MBUF_F_RX_IP_CKSUM_BAD >> 1) |                                                       \
+	 ((RTE_MBUF_F_RX_IP_CKSUM_GOOD | RTE_MBUF_F_RX_L4_CKSUM_GOOD) >> 1) << 8 |                 \
+	 ((RTE_MBUF_F_RX_IP_CKSUM_GOOD | RTE_MBUF_F_RX_L4_CKSUM_BAD) >> 1) << 16 |                 \
+	 ((RTE_MBUF_F_RX_IP_CKSUM_GOOD | RTE_MBUF_F_RX_L4_CKSUM_GOOD) >> 1) << 32 |                \
+	 ((RTE_MBUF_F_RX_IP_CKSUM_GOOD | RTE_MBUF_F_RX_L4_CKSUM_GOOD) >> 1) << 48)
 
 #ifdef RTE_LIBRTE_MEMPOOL_DEBUG
 static inline void
@@ -475,16 +470,23 @@ nix_sec_meta_to_mbuf_sc(uint64_t cq_w1, uint64_t cq_w5, const uint64_t sa_base,
 			inner->data_len = len;
 			*(uint64_t *)(&inner->rearm_data) = mbuf_init;
 
-			inner->ol_flags = ((ucc == CPT_COMP_WARN) ?
+			inner->ol_flags = ((CPT_COMP_HWGOOD_MASK & (1U << ucc)) ?
 					   RTE_MBUF_F_RX_SEC_OFFLOAD :
 					   (RTE_MBUF_F_RX_SEC_OFFLOAD |
 					    RTE_MBUF_F_RX_SEC_OFFLOAD_FAILED));
 
 			ucc = hdr->w3.uc_ccode;
-			inner->ol_flags |= ((ucc & 0xF0) == 0xF0) ?
-				((NIX_RX_SEC_UCC_CONST >> ((ucc & 0xF) << 3))
-				 & 0xFF) << 1 : 0;
-		} else if (!(hdr->w0.err_sum) && !(hdr->w0.reas_sts)) {
+
+			if (ucc && ucc < 0xED) {
+				inner->ol_flags |= RTE_MBUF_F_RX_SEC_OFFLOAD_FAILED;
+			} else {
+				ucc += 3; /* To make codes in 0xFx series except 0 */
+				inner->ol_flags |= ((ucc & 0xF0) == 0xF0) ?
+						   ((NIX_RX_SEC_UCC_CONST >> ((ucc & 0xF) << 3))
+						    & 0xFF) << 1 : RTE_MBUF_F_RX_IP_CKSUM_GOOD;
+			}
+		} else if ((!(hdr->w0.err_sum) || roc_ie_ot_ucc_is_success(hdr->w3.uc_ccode)) &&
+			   !(hdr->w0.reas_sts)) {
 			/* Reassembly success */
 			inner = nix_sec_reassemble_frags(hdr, cq_w1, cq_w5,
 							 mbuf_init);
@@ -541,15 +543,21 @@ nix_sec_meta_to_mbuf_sc(uint64_t cq_w1, uint64_t cq_w5, const uint64_t sa_base,
 		inner->data_len = len;
 		*(uint64_t *)(&inner->rearm_data) = mbuf_init;
 
-		inner->ol_flags = ((ucc == CPT_COMP_WARN) ?
+		inner->ol_flags = ((CPT_COMP_HWGOOD_MASK & (1U << ucc)) ?
 				   RTE_MBUF_F_RX_SEC_OFFLOAD :
 				   (RTE_MBUF_F_RX_SEC_OFFLOAD |
 				    RTE_MBUF_F_RX_SEC_OFFLOAD_FAILED));
 
 		ucc = hdr->w3.uc_ccode;
-		inner->ol_flags |= ((ucc & 0xF0) == 0xF0) ?
-			((NIX_RX_SEC_UCC_CONST >> ((ucc & 0xF) << 3))
-			 & 0xFF) << 1 : 0;
+
+		if (ucc && ucc < 0xED) {
+			inner->ol_flags |= RTE_MBUF_F_RX_SEC_OFFLOAD_FAILED;
+		} else {
+			ucc += 3; /* To make codes in 0xFx series except 0 */
+			inner->ol_flags |= ((ucc & 0xF0) == 0xF0) ?
+					   ((NIX_RX_SEC_UCC_CONST >> ((ucc & 0xF) << 3))
+					    & 0xFF) << 1 : RTE_MBUF_F_RX_IP_CKSUM_GOOD;
+		}
 
 		/* Store meta in lmtline to free
 		 * Assume all meta's from same aura.
@@ -596,7 +604,8 @@ nix_sec_meta_to_mbuf(uint64_t cq_w1, uint64_t cq_w5, uintptr_t inb_sa,
 	RTE_MEMPOOL_CHECK_COOKIES(inner->pool, (void **)&inner, 1, 1);
 
 	if (flags & NIX_RX_REAS_F && hdr->w0.num_frags) {
-		if (!(hdr->w0.err_sum) && !(hdr->w0.reas_sts)) {
+		if ((!(hdr->w0.err_sum) || roc_ie_ot_ucc_is_success(hdr->w3.uc_ccode)) &&
+		    !(hdr->w0.reas_sts)) {
 			/* Reassembly success */
 			nix_sec_reassemble_frags(hdr, cq_w1, cq_w5, mbuf_init);
 
@@ -1317,6 +1326,7 @@ cn10k_nix_recv_pkts_vector(void *args, struct rte_mbuf **mbufs, uint16_t pkts,
 			uintptr_t cpth1 = (uintptr_t)mbuf1 + d_off;
 			uintptr_t cpth2 = (uintptr_t)mbuf2 + d_off;
 			uintptr_t cpth3 = (uintptr_t)mbuf3 + d_off;
+			uint8_t code;
 
 			uint64x2_t inner0, inner1, inner2, inner3;
 			uint64x2_t wqe01, wqe23, sa01, sa23;
@@ -1352,42 +1362,46 @@ cn10k_nix_recv_pkts_vector(void *args, struct rte_mbuf **mbufs, uint16_t pkts,
 			sa01 = vaddq_u64(sa01, vdupq_n_u64(sa_base));
 			sa23 = vaddq_u64(sa23, vdupq_n_u64(sa_base));
 
-			const uint8x16_t tbl = {
-				/* ROC_IE_OT_UCC_SUCCESS_SA_SOFTEXP_FIRST */
-				0,
-				/* ROC_IE_OT_UCC_SUCCESS_PKT_IP_BADCSUM */
-				RTE_MBUF_F_RX_IP_CKSUM_BAD >> 1,
-				/* ROC_IE_OT_UCC_SUCCESS_SA_SOFTEXP_AGAIN */
-				0,
-				/* ROC_IE_OT_UCC_SUCCESS_PKT_L4_GOODCSUM */
-				(RTE_MBUF_F_RX_IP_CKSUM_GOOD |
-				 RTE_MBUF_F_RX_L4_CKSUM_GOOD) >> 1,
-				/* ROC_IE_OT_UCC_SUCCESS_PKT_L4_BADCSUM */
-				(RTE_MBUF_F_RX_IP_CKSUM_GOOD |
-				 RTE_MBUF_F_RX_L4_CKSUM_BAD) >> 1,
-				/* ROC_IE_OT_UCC_SUCCESS_PKT_UDPESP_NZCSUM */
-				(RTE_MBUF_F_RX_IP_CKSUM_GOOD |
-				 RTE_MBUF_F_RX_L4_CKSUM_GOOD) >> 1,
-				/* ROC_IE_OT_UCC_SUCCESS_PKT_UDP_ZEROCSUM */
-				(RTE_MBUF_F_RX_IP_CKSUM_GOOD |
-				 RTE_MBUF_F_RX_L4_CKSUM_GOOD) >> 1,
-				/* ROC_IE_OT_UCC_SUCCESS_PKT_IP_GOODCSUM */
-				RTE_MBUF_F_RX_IP_CKSUM_GOOD >> 1,
-				/* HW_CCODE -> RTE_MBUF_F_RX_SEC_OFFLOAD_FAILED */
-				1, 0, 1, 1, 1, 1, 0, 1,
-			};
-
-			const int8x8_t err_off = {
-				/* UCC of significance starts from 0xF0 */
-				0xF0,
-				/* Move HW_CCODE from 0:6 -> 8:14 */
-				-8,
-				0xF0,
-				-8,
-				0xF0,
-				-8,
-				0xF0,
-				-8,
+			const uint8x16x2_t tbl = {{
+				{
+					/* ROC_IE_OT_UCC_SUCCESS_PKT_IP_BADCSUM */
+					RTE_MBUF_F_RX_IP_CKSUM_BAD >> 1,
+					/* ROC_IE_OT_UCC_SUCCESS_PKT_L4_GOODCSUM */
+					(RTE_MBUF_F_RX_IP_CKSUM_GOOD |
+					 RTE_MBUF_F_RX_L4_CKSUM_GOOD) >> 1,
+					/* ROC_IE_OT_UCC_SUCCESS_PKT_L4_BADCSUM */
+					(RTE_MBUF_F_RX_IP_CKSUM_GOOD |
+					 RTE_MBUF_F_RX_L4_CKSUM_BAD) >> 1,
+					1,
+					/* ROC_IE_OT_UCC_SUCCESS_PKT_UDPESP_NZCSUM */
+					(RTE_MBUF_F_RX_IP_CKSUM_GOOD |
+					 RTE_MBUF_F_RX_L4_CKSUM_GOOD) >> 1,
+					1,
+					/* ROC_IE_OT_UCC_SUCCESS_PKT_UDP_ZEROCSUM */
+					(RTE_MBUF_F_RX_IP_CKSUM_GOOD |
+					RTE_MBUF_F_RX_L4_CKSUM_GOOD) >> 1,
+					3, 1, 3, 3, 3, 3, 1, 3, 1,
+				},
+				{
+					1, 1, 1,
+					/* ROC_IE_OT_UCC_SUCCESS_PKT_IP_GOODCSUM */
+					RTE_MBUF_F_RX_IP_CKSUM_GOOD >> 1,
+					/* Rest 0 to indicate RTE_MBUF_F_RX_SEC_OFFLOAD_FAILED */
+					0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+				},
+			}};
+
+			const uint8x8_t err_off = {
+				/* UCC */
+				0xED,
+				/* HW_CCODE 0:6 -> 7:D */
+				-7,
+				0xED,
+				-7,
+				0xED,
+				-7,
+				0xED,
+				-7,
 			};
 
 			ucc = vdup_n_u8(0);
@@ -1395,8 +1409,13 @@ cn10k_nix_recv_pkts_vector(void *args, struct rte_mbuf **mbufs, uint16_t pkts,
 			ucc = vset_lane_u16(*(uint16_t *)(cpth1 + 30), ucc, 1);
 			ucc = vset_lane_u16(*(uint16_t *)(cpth2 + 30), ucc, 2);
 			ucc = vset_lane_u16(*(uint16_t *)(cpth3 + 30), ucc, 3);
-			ucc = vsub_s8(ucc, err_off);
-			ucc = vqtbl1_u8(tbl, ucc);
+			ucc = vsub_u8(ucc, err_off);
+
+			/* Table lookup to get the corresponding flags, Out of the range
+			 * from this lookup will have value 0 and consider as
+			 * RTE_MBUF_F_RX_SEC_OFFLOAD_FAILED.
+			 */
+			ucc = vqtbl2_u8(tbl, ucc);
 
 			RTE_BUILD_BUG_ON(NPC_LT_LC_IP != 2);
 			RTE_BUILD_BUG_ON(NPC_LT_LC_IP_OPT != 3);
@@ -1478,10 +1497,11 @@ cn10k_nix_recv_pkts_vector(void *args, struct rte_mbuf **mbufs, uint16_t pkts,
 				nix_sec_meta_to_mbuf(cq0_w1, cq0_w5, sa, cpth0,
 						     mbuf0, &f0, &ol_flags0,
 						     flags, &rearm0);
-				ol_flags0 |= ((uint64_t)vget_lane_u8(ucc, 0))
-					     << 1;
-				ol_flags0 |= (RTE_MBUF_F_RX_SEC_OFFLOAD |
-					(uint64_t)vget_lane_u8(ucc, 1) << 19);
+				code = vget_lane_u8(ucc, 0);
+				ol_flags0 |= code ? (code > 1 ? ((uint64_t)code) << 1 : 0) :
+						    RTE_MBUF_F_RX_SEC_OFFLOAD_FAILED;
+
+				ol_flags0 |= ((uint64_t)(vget_lane_u8(ucc, 1)) << 18);
 			}
 
 			if (cq1_w1 & BIT(11)) {
@@ -1502,10 +1522,10 @@ cn10k_nix_recv_pkts_vector(void *args, struct rte_mbuf **mbufs, uint16_t pkts,
 				nix_sec_meta_to_mbuf(cq1_w1, cq1_w5, sa, cpth1,
 						     mbuf1, &f1, &ol_flags1,
 						     flags, &rearm1);
-				ol_flags1 |= ((uint64_t)vget_lane_u8(ucc, 2))
-					     << 1;
-				ol_flags1 |= (RTE_MBUF_F_RX_SEC_OFFLOAD |
-					(uint64_t)vget_lane_u8(ucc, 3) << 19);
+				code = vget_lane_u8(ucc, 2);
+				ol_flags1 |= code ? (code > 1 ? ((uint64_t)code) << 1 : 0) :
+						    RTE_MBUF_F_RX_SEC_OFFLOAD_FAILED;
+				ol_flags1 |= ((uint64_t)(vget_lane_u8(ucc, 3)) << 18);
 			}
 
 			if (cq2_w1 & BIT(11)) {
@@ -1526,10 +1546,10 @@ cn10k_nix_recv_pkts_vector(void *args, struct rte_mbuf **mbufs, uint16_t pkts,
 				nix_sec_meta_to_mbuf(cq2_w1, cq2_w5, sa, cpth2,
 						     mbuf2, &f2, &ol_flags2,
 						     flags, &rearm2);
-				ol_flags2 |= ((uint64_t)vget_lane_u8(ucc, 4))
-					     << 1;
-				ol_flags2 |= (RTE_MBUF_F_RX_SEC_OFFLOAD |
-					(uint64_t)vget_lane_u8(ucc, 5) << 19);
+				code = vget_lane_u8(ucc, 4);
+				ol_flags2 |= code ? (code > 1 ? ((uint64_t)code) << 1 : 0) :
+						    RTE_MBUF_F_RX_SEC_OFFLOAD_FAILED;
+				ol_flags2 |= ((uint64_t)(vget_lane_u8(ucc, 5)) << 18);
 			}
 
 			if (cq3_w1 & BIT(11)) {
@@ -1550,10 +1570,10 @@ cn10k_nix_recv_pkts_vector(void *args, struct rte_mbuf **mbufs, uint16_t pkts,
 				nix_sec_meta_to_mbuf(cq3_w1, cq3_w5, sa, cpth3,
 						     mbuf3, &f3, &ol_flags3,
 						     flags, &rearm3);
-				ol_flags3 |= ((uint64_t)vget_lane_u8(ucc, 6))
-					     << 1;
-				ol_flags3 |= (RTE_MBUF_F_RX_SEC_OFFLOAD |
-					(uint64_t)vget_lane_u8(ucc, 7) << 19);
+				code = vget_lane_u8(ucc, 6);
+				ol_flags3 |= code ? (code > 1 ? ((uint64_t)code) << 1 : 0) :
+						    RTE_MBUF_F_RX_SEC_OFFLOAD_FAILED;
+				ol_flags3 |= ((uint64_t)(vget_lane_u8(ucc, 7)) << 18);
 			}
 		}
 
-- 
2.25.1


  reply	other threads:[~2022-11-14 10:53 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-14 10:53 [PATCH 1/2] common/cnxk: update IPsec completion codes Rahul Bhansali
2022-11-14 10:53 ` Rahul Bhansali [this message]
2023-01-05  9:28   ` [PATCH 2/2] net/cnxk: update IPsec completion code handling Jerin Jacob

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