aboutsummaryrefslogtreecommitdiffstats
path: root/dpdk/dpdk-16.04_patches/0011-enic-fix-misalignment-of-Rx-mbuf-data.patch
diff options
context:
space:
mode:
Diffstat (limited to 'dpdk/dpdk-16.04_patches/0011-enic-fix-misalignment-of-Rx-mbuf-data.patch')
-rw-r--r--dpdk/dpdk-16.04_patches/0011-enic-fix-misalignment-of-Rx-mbuf-data.patch55
1 files changed, 0 insertions, 55 deletions
diff --git a/dpdk/dpdk-16.04_patches/0011-enic-fix-misalignment-of-Rx-mbuf-data.patch b/dpdk/dpdk-16.04_patches/0011-enic-fix-misalignment-of-Rx-mbuf-data.patch
deleted file mode 100644
index 0d4267be2ea..00000000000
--- a/dpdk/dpdk-16.04_patches/0011-enic-fix-misalignment-of-Rx-mbuf-data.patch
+++ /dev/null
@@ -1,55 +0,0 @@
-From d91c4e2de969086ebc8c3a1dfa30913ea3de37b4 Mon Sep 17 00:00:00 2001
-From: John Daley <johndale@cisco.com>
-Date: Mon, 25 Apr 2016 16:24:53 -0700
-Subject: [PATCH 11/17] enic: fix misalignment of Rx mbuf data
-
-Data DMA used m->data_off of uninitialized mbufs instead of
-RTE_PKTMBUF_HEADROOM, potentially causing Rx data to be
-placed at the wrong alignment in the mbuf.
-
-Fixes: 947d860c821f ("enic: improve Rx performance")
-Signed-off-by: John Daley <johndale@cisco.com>
----
- drivers/net/enic/enic_main.c | 5 +++--
- drivers/net/enic/enic_rx.c | 6 ++++--
- 2 files changed, 7 insertions(+), 4 deletions(-)
-
-diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c
-index 06cacd4..b164307 100644
---- a/drivers/net/enic/enic_main.c
-+++ b/drivers/net/enic/enic_main.c
-@@ -355,10 +355,11 @@ enic_alloc_rx_queue_mbufs(struct enic *enic, struct vnic_rq *rq)
- return -ENOMEM;
- }
-
-- dma_addr = (dma_addr_t)(mb->buf_physaddr + mb->data_off);
-+ dma_addr = (dma_addr_t)(mb->buf_physaddr
-+ + RTE_PKTMBUF_HEADROOM);
-
- rq_enet_desc_enc(rqd, dma_addr, RQ_ENET_TYPE_ONLY_SOP,
-- mb->buf_len);
-+ mb->buf_len - RTE_PKTMBUF_HEADROOM);
- rq->mbuf_ring[i] = mb;
- }
-
-diff --git a/drivers/net/enic/enic_rx.c b/drivers/net/enic/enic_rx.c
-index 232987a..39bb55c 100644
---- a/drivers/net/enic/enic_rx.c
-+++ b/drivers/net/enic/enic_rx.c
-@@ -314,9 +314,11 @@ enic_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
- + rx_id);
-
- /* Push descriptor for newly allocated mbuf */
-- dma_addr = (dma_addr_t)(nmb->buf_physaddr + nmb->data_off);
-+ dma_addr = (dma_addr_t)(nmb->buf_physaddr
-+ + RTE_PKTMBUF_HEADROOM);
- rqd_ptr->address = rte_cpu_to_le_64(dma_addr);
-- rqd_ptr->length_type = cpu_to_le16(nmb->buf_len);
-+ rqd_ptr->length_type = cpu_to_le16(nmb->buf_len
-+ - RTE_PKTMBUF_HEADROOM);
-
- /* Fill in the rest of the mbuf */
- rxmb->data_off = RTE_PKTMBUF_HEADROOM;
---
-2.7.4
-