diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0295-staging-fsl_ppfe-eth-calculate-PFE_PKT_SIZE-with-SKB.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0295-staging-fsl_ppfe-eth-calculate-PFE_PKT_SIZE-with-SKB.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0295-staging-fsl_ppfe-eth-calculate-PFE_PKT_SIZE-with-SKB.patch b/target/linux/layerscape/patches-5.4/701-net-0295-staging-fsl_ppfe-eth-calculate-PFE_PKT_SIZE-with-SKB.patch new file mode 100644 index 0000000000..f42ec78f09 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/701-net-0295-staging-fsl_ppfe-eth-calculate-PFE_PKT_SIZE-with-SKB.patch @@ -0,0 +1,30 @@ +From 2f59069dbb48ee86bee42bf36a4dfafe64028344 Mon Sep 17 00:00:00 2001 +From: Calvin Johnson <calvin.johnson@nxp.com> +Date: Thu, 8 Mar 2018 13:58:38 +0530 +Subject: [PATCH] staging: fsl_ppfe/eth: calculate PFE_PKT_SIZE with + SKB_DATA_ALIGN + +pfe packet size was calculated without considering skb data alignment +and this resulted in jumbo frames crashing kernel when the +cacheline size increased from 64 to 128 bytes with +commit 97303480753e ("arm64: Increase the max granular size"). + +Modify pfe packet size caclulation to include skb data alignment of +sizeof(struct skb_shared_info). + +Signed-off-by: Calvin Johnson <calvin.johnson@nxp.com> +--- + drivers/staging/fsl_ppfe/pfe_hif_lib.h | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/staging/fsl_ppfe/pfe_hif_lib.h ++++ b/drivers/staging/fsl_ppfe/pfe_hif_lib.h +@@ -146,7 +146,7 @@ struct tx_queue_desc { + #define PFE_BUF_SIZE 2048 + #define PFE_PKT_HEADROOM 128 + +-#define SKB_SHARED_INFO_SIZE (sizeof(struct skb_shared_info)) ++#define SKB_SHARED_INFO_SIZE SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) + #define PFE_PKT_SIZE (PFE_BUF_SIZE - PFE_PKT_HEADROOM \ + - SKB_SHARED_INFO_SIZE) + #define MAX_L2_HDR_SIZE 14 /* Not correct for VLAN/PPPoE */ |