diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0046-sdk_dpaa-update-buffer-recycling-conditions.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0046-sdk_dpaa-update-buffer-recycling-conditions.patch | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0046-sdk_dpaa-update-buffer-recycling-conditions.patch b/target/linux/layerscape/patches-5.4/701-net-0046-sdk_dpaa-update-buffer-recycling-conditions.patch deleted file mode 100644 index daad07483c..0000000000 --- a/target/linux/layerscape/patches-5.4/701-net-0046-sdk_dpaa-update-buffer-recycling-conditions.patch +++ /dev/null @@ -1,31 +0,0 @@ -From b95f457bb7ba38f03a71b474e35f53670322f0db Mon Sep 17 00:00:00 2001 -From: Camelia Groza <camelia.groza@nxp.com> -Date: Mon, 15 Jan 2018 17:41:01 +0200 -Subject: [PATCH] sdk_dpaa: update buffer recycling conditions - -Guarantee there is enough space inside the skb's headroom to store the -skb back-pointer before recycling the buffer. The back-pointer is stored -right before the buffer's start. - -Signed-off-by: Camelia Groza <camelia.groza@nxp.com> ---- - drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c | 8 +++++++- - 1 file changed, 7 insertions(+), 1 deletion(-) - ---- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c -+++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c -@@ -350,7 +350,13 @@ bool dpa_buf_is_recyclable(struct sk_buf - /* left align to the nearest cacheline */ - new = (unsigned char *)((unsigned long)new & ~(SMP_CACHE_BYTES - 1)); - -- if (likely(new >= skb->head && -+ /* Make sure there is enough space to store the skb back-pointer in -+ * the headroom, right before the start of the buffer. -+ * -+ * Guarantee that both maximum size and maximum data offsets aren't -+ * crossed. -+ */ -+ if (likely(new >= (skb->head + sizeof(void *)) && - new >= (skb->data - DPA_MAX_FD_OFFSET) && - skb_end_pointer(skb) - new <= DPA_RECYCLE_MAX_SIZE)) { - *new_buf_start = new; |