[PATCH v5 07/22] common/idpf: use mbuf descriptor accessors

Tyler Retzlaff roretzla at linux.microsoft.com
Sat Feb 24 09:21:52 CET 2024


RTE_MARKER typedefs are a GCC extension unsupported by MSVC. Use
new rte_mbuf_rearm_data and rte_mbuf_rx_descriptor_fields1 accessors
that provide a compatible type pointer without using the marker fields.

Signed-off-by: Tyler Retzlaff <roretzla at linux.microsoft.com>
---
 drivers/common/idpf/idpf_common_rxtx.c        |  4 +---
 drivers/common/idpf/idpf_common_rxtx_avx512.c | 33 ++++++++++++++-------------
 2 files changed, 18 insertions(+), 19 deletions(-)

diff --git a/drivers/common/idpf/idpf_common_rxtx.c b/drivers/common/idpf/idpf_common_rxtx.c
index 83b131e..62ddf2e 100644
--- a/drivers/common/idpf/idpf_common_rxtx.c
+++ b/drivers/common/idpf/idpf_common_rxtx.c
@@ -1595,7 +1595,6 @@
 static inline int
 idpf_rxq_vec_setup_default(struct idpf_rx_queue *rxq)
 {
-	uintptr_t p;
 	struct rte_mbuf mb_def = { .buf_addr = 0 }; /* zeroed mbuf */
 
 	mb_def.nb_segs = 1;
@@ -1605,8 +1604,7 @@
 
 	/* prevent compiler reordering: rearm_data covers previous fields */
 	rte_compiler_barrier();
-	p = (uintptr_t)&mb_def.rearm_data;
-	rxq->mbuf_initializer = *(uint64_t *)p;
+	rxq->mbuf_initializer = *rte_mbuf_rearm_data(&mb_def);
 	return 0;
 }
 
diff --git a/drivers/common/idpf/idpf_common_rxtx_avx512.c b/drivers/common/idpf/idpf_common_rxtx_avx512.c
index f65e8d5..f978a27 100644
--- a/drivers/common/idpf/idpf_common_rxtx_avx512.c
+++ b/drivers/common/idpf/idpf_common_rxtx_avx512.c
@@ -462,6 +462,7 @@
 				 RTE_ALIGN(offsetof(struct rte_mbuf,
 						    rearm_data),
 						    16));
+
 		/* build up data and do writes */
 		__m256i rearm0, rearm1, rearm2, rearm3, rearm4, rearm5,
 			rearm6, rearm7;
@@ -476,13 +477,13 @@
 		rearm0 = _mm256_permute2f128_si256(mbuf_init, mb0_1, 0x20);
 
 		/* write to mbuf */
-		_mm256_storeu_si256((__m256i *)&rx_pkts[i + 6]->rearm_data,
+		_mm256_storeu_si256((__m256i *)rte_mbuf_rearm_data(rx_pkts[i + 6]),
 				    rearm6);
-		_mm256_storeu_si256((__m256i *)&rx_pkts[i + 4]->rearm_data,
+		_mm256_storeu_si256((__m256i *)rte_mbuf_rearm_data(rx_pkts[i + 4]),
 				    rearm4);
-		_mm256_storeu_si256((__m256i *)&rx_pkts[i + 2]->rearm_data,
+		_mm256_storeu_si256((__m256i *)rte_mbuf_rearm_data(rx_pkts[i + 2]),
 				    rearm2);
-		_mm256_storeu_si256((__m256i *)&rx_pkts[i + 0]->rearm_data,
+		_mm256_storeu_si256((__m256i *)rte_mbuf_rearm_data(rx_pkts[i + 0]),
 				    rearm0);
 
 		rearm7 = _mm256_blend_epi32(mbuf_init, mb6_7, 0xF0);
@@ -491,13 +492,13 @@
 		rearm1 = _mm256_blend_epi32(mbuf_init, mb0_1, 0xF0);
 
 		/* again write to mbufs */
-		_mm256_storeu_si256((__m256i *)&rx_pkts[i + 7]->rearm_data,
+		_mm256_storeu_si256((__m256i *)rte_mbuf_rearm_data(rx_pkts[i + 7]),
 				    rearm7);
-		_mm256_storeu_si256((__m256i *)&rx_pkts[i + 5]->rearm_data,
+		_mm256_storeu_si256((__m256i *)rte_mbuf_rearm_data(rx_pkts[i + 5]),
 				    rearm5);
-		_mm256_storeu_si256((__m256i *)&rx_pkts[i + 3]->rearm_data,
+		_mm256_storeu_si256((__m256i *)rte_mbuf_rearm_data(rx_pkts[i + 3]),
 				    rearm3);
-		_mm256_storeu_si256((__m256i *)&rx_pkts[i + 1]->rearm_data,
+		_mm256_storeu_si256((__m256i *)rte_mbuf_rearm_data(rx_pkts[i + 1]),
 				    rearm1);
 
 		/* perform dd_check */
@@ -936,13 +937,13 @@
 		rearm0 = _mm256_permute2f128_si256(mbuf_init, mb0_1, 0x20);
 
 		/* write to mbuf */
-		_mm256_storeu_si256((__m256i *)&rx_pkts[i + 6]->rearm_data,
+		_mm256_storeu_si256((__m256i *)rte_mbuf_rearm_data(rx_pkts[i + 6]),
 				    rearm6);
-		_mm256_storeu_si256((__m256i *)&rx_pkts[i + 4]->rearm_data,
+		_mm256_storeu_si256((__m256i *)rte_mbuf_rearm_data(rx_pkts[i + 4]),
 				    rearm4);
-		_mm256_storeu_si256((__m256i *)&rx_pkts[i + 2]->rearm_data,
+		_mm256_storeu_si256((__m256i *)rte_mbuf_rearm_data(rx_pkts[i + 2]),
 				    rearm2);
-		_mm256_storeu_si256((__m256i *)&rx_pkts[i + 0]->rearm_data,
+		_mm256_storeu_si256((__m256i *)rte_mbuf_rearm_data(rx_pkts[i + 0]),
 				    rearm0);
 
 		rearm7 = _mm256_blend_epi32(mbuf_init, mb6_7, 0xF0);
@@ -951,13 +952,13 @@
 		rearm1 = _mm256_blend_epi32(mbuf_init, mb0_1, 0xF0);
 
 		/* again write to mbufs */
-		_mm256_storeu_si256((__m256i *)&rx_pkts[i + 7]->rearm_data,
+		_mm256_storeu_si256((__m256i *)rte_mbuf_rearm_data(rx_pkts[i + 7]),
 				    rearm7);
-		_mm256_storeu_si256((__m256i *)&rx_pkts[i + 5]->rearm_data,
+		_mm256_storeu_si256((__m256i *)rte_mbuf_rearm_data(rx_pkts[i + 5]),
 				    rearm5);
-		_mm256_storeu_si256((__m256i *)&rx_pkts[i + 3]->rearm_data,
+		_mm256_storeu_si256((__m256i *)rte_mbuf_rearm_data(rx_pkts[i + 3]),
 				    rearm3);
-		_mm256_storeu_si256((__m256i *)&rx_pkts[i + 1]->rearm_data,
+		_mm256_storeu_si256((__m256i *)rte_mbuf_rearm_data(rx_pkts[i + 1]),
 				    rearm1);
 
 		const __mmask8 dd_mask = _mm512_cmpeq_epi64_mask(
-- 
1.8.3.1



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