diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0298-staging-fsl_ppfe-eth-HW-parse-results-for-DPDK.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0298-staging-fsl_ppfe-eth-HW-parse-results-for-DPDK.patch | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0298-staging-fsl_ppfe-eth-HW-parse-results-for-DPDK.patch b/target/linux/layerscape/patches-5.4/701-net-0298-staging-fsl_ppfe-eth-HW-parse-results-for-DPDK.patch new file mode 100644 index 0000000000..f8ec3495a2 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/701-net-0298-staging-fsl_ppfe-eth-HW-parse-results-for-DPDK.patch @@ -0,0 +1,47 @@ +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, |