diff mbox

[dpdk-dev,v3,03/20] net/dpaa2: stop using software annotation

Message ID 1495445969-29199-4-git-send-email-hemant.agrawal@nxp.com (mailing list archive)
State Superseded, archived
Delegated to: Ferruh Yigit
Headers

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

Hemant Agrawal May 22, 2017, 9:39 a.m. UTC 
  The DPAA2 driver is not using the DPAA2 frame descriptor
software annotation area. This patch reduces the
PTA length to zero and adjust the RX Buffer Layout
accordingly.

Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
---
 drivers/bus/fslmc/portal/dpaa2_hw_pvt.h |  2 +-
 drivers/net/dpaa2/base/dpaa2_hw_dpni.c  | 19 ++++++++++++-------
 drivers/net/dpaa2/dpaa2_ethdev.c        |  2 +-
 3 files changed, 14 insertions(+), 9 deletions(-)
diff mbox

Patch

diff --git a/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h b/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
index c022373..9ffcec3 100644
--- a/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
+++ b/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
@@ -65,7 +65,7 @@ 
 
 #define MAX_BPID 256
 #define DPAA2_MBUF_HW_ANNOTATION	64
-#define DPAA2_FD_PTA_SIZE		64
+#define DPAA2_FD_PTA_SIZE		0
 
 #if (DPAA2_MBUF_HW_ANNOTATION + DPAA2_FD_PTA_SIZE) > RTE_PKTMBUF_HEADROOM
 #error "Annotation requirement is more than RTE_PKTMBUF_HEADROOM"
diff --git a/drivers/net/dpaa2/base/dpaa2_hw_dpni.c b/drivers/net/dpaa2/base/dpaa2_hw_dpni.c
index 3dc60cc..547025d 100644
--- a/drivers/net/dpaa2/base/dpaa2_hw_dpni.c
+++ b/drivers/net/dpaa2/base/dpaa2_hw_dpni.c
@@ -306,15 +306,20 @@  int dpaa2_remove_flow_dist(
 	 */
 
 	/* ... rx buffer layout ... */
-	tot_size = DPAA2_HW_BUF_RESERVE + RTE_PKTMBUF_HEADROOM;
-	tot_size = RTE_ALIGN_CEIL(tot_size,
-				  DPAA2_PACKET_LAYOUT_ALIGN);
+	tot_size = RTE_PKTMBUF_HEADROOM;
+	tot_size = RTE_ALIGN_CEIL(tot_size, DPAA2_PACKET_LAYOUT_ALIGN);
 
 	memset(&layout, 0, sizeof(struct dpni_buffer_layout));
-	layout.options = DPNI_BUF_LAYOUT_OPT_DATA_HEAD_ROOM;
-
-	layout.data_head_room =
-		tot_size - DPAA2_FD_PTA_SIZE - DPAA2_MBUF_HW_ANNOTATION;
+	layout.options = DPNI_BUF_LAYOUT_OPT_DATA_HEAD_ROOM |
+			 DPNI_BUF_LAYOUT_OPT_FRAME_STATUS |
+			 DPNI_BUF_LAYOUT_OPT_PARSER_RESULT |
+			 DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE;
+
+	layout.pass_frame_status = 1;
+	layout.private_data_size = DPAA2_FD_PTA_SIZE;
+	layout.pass_parser_result = 1;
+	layout.data_head_room = tot_size - DPAA2_FD_PTA_SIZE -
+				DPAA2_MBUF_HW_ANNOTATION;
 	retcode = dpni_set_buffer_layout(dpni, CMD_PRI_LOW, priv->token,
 					 DPNI_QUEUE_RX, &layout);
 	if (retcode) {
diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c
index f4c73de..007eda7 100644
--- a/drivers/net/dpaa2/dpaa2_ethdev.c
+++ b/drivers/net/dpaa2/dpaa2_ethdev.c
@@ -284,7 +284,7 @@ 
 		cfg.flc.value &= 0xFFFFFFFFFFFFFFC0;
 		/* 00 00 00 - last 6 bit represent annotation, context stashing,
 		 * data stashing setting 01 01 00 (0x14) to enable
-		 * 1 line annotation, 1 line context
+		 * 1 line data, 1 line annotation
 		 */
 		cfg.flc.value |= 0x14;
 	}