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From fd2bdf555ab192a96a44fa02f701095b24448d47 Mon Sep 17 00:00:00 2001
From: anuj batham <anuj.batham@nxp.com>
Date: Fri, 27 Apr 2018 14:38:09 +0530
Subject: [PATCH] staging: fsl_ppfe/eth: HW parse results for DPDK
HW Parse results are included in the packet headroom.
Length and Offset calculation now accommodates parse info size.
Signed-off-by: Archana Madhavan <archana.madhavan@nxp.com>
---
drivers/staging/fsl_ppfe/pfe_hif_lib.c | 7 +++++--
drivers/staging/fsl_ppfe/pfe_hif_lib.h | 1 +
2 files changed, 6 insertions(+), 2 deletions(-)
--- a/drivers/staging/fsl_ppfe/pfe_hif_lib.c
+++ b/drivers/staging/fsl_ppfe/pfe_hif_lib.c
@@ -435,6 +435,7 @@ void *hif_lib_receive_pkt(struct hif_cli
u16 size = *rx_ctrl >> HIF_CTRL_RX_OFFSET_OFST;
if (size) {
+ size += PFE_PARSE_INFO_SIZE;
*len = CL_DESC_BUF_LEN(desc->ctrl) -
PFE_PKT_HEADER_SZ - size;
*ofst = pfe_pkt_headroom + PFE_PKT_HEADER_SZ
@@ -442,8 +443,10 @@ void *hif_lib_receive_pkt(struct hif_cli
*priv_data = desc->data + PFE_PKT_HEADER_SZ;
} else {
*len = CL_DESC_BUF_LEN(desc->ctrl) -
- PFE_PKT_HEADER_SZ;
- *ofst = pfe_pkt_headroom + PFE_PKT_HEADER_SZ;
+ PFE_PKT_HEADER_SZ - PFE_PARSE_INFO_SIZE;
+ *ofst = pfe_pkt_headroom
+ + PFE_PKT_HEADER_SZ
+ + PFE_PARSE_INFO_SIZE;
*priv_data = NULL;
}
--- a/drivers/staging/fsl_ppfe/pfe_hif_lib.h
+++ b/drivers/staging/fsl_ppfe/pfe_hif_lib.h
@@ -23,6 +23,7 @@
#define HIF_CL_REQ_TIMEOUT 10
#define GFP_DMA_PFE 0
+#define PFE_PARSE_INFO_SIZE 16
enum {
REQUEST_CL_REGISTER = 0,
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