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authorMatthew Smith <mgsmith@netgate.com>2017-12-18 14:19:07 -0600
committerDamjan Marion <dmarion.lists@gmail.com>2018-01-09 20:22:14 +0000
commita5fb2cf8be8298e589c2b619f7e907a0a1d76262 (patch)
tree70d2730f421e51dd1579f096690c534f02b4b42b /dpdk/dpdk-17.11_patches
parent8554f8adcc97b10eee674762307bfb2ede76d722 (diff)
Patch ENA PMD to skip setting tx flags in rx path
On rx, the ENA PMD sets tx offload flags based on the received packet's l4 protocol. This means you need to turn off those offloads for every packet if you encapsulate packets arriving on an interface using that PMD. Disable this behavior. Change-Id: Icae9f32e3d292d767da440ae5c1280902bdaa083 Signed-off-by: Matthew Smith <mgsmith@netgate.com>
Diffstat (limited to 'dpdk/dpdk-17.11_patches')
-rw-r--r--dpdk/dpdk-17.11_patches/0001-ena-pmd-no-tx-flags.patch21
1 files changed, 21 insertions, 0 deletions
diff --git a/dpdk/dpdk-17.11_patches/0001-ena-pmd-no-tx-flags.patch b/dpdk/dpdk-17.11_patches/0001-ena-pmd-no-tx-flags.patch
new file mode 100644
index 00000000000..97dbadd1aa8
--- /dev/null
+++ b/dpdk/dpdk-17.11_patches/0001-ena-pmd-no-tx-flags.patch
@@ -0,0 +1,21 @@
+diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c
+index 22db895..6f982f6 100644
+--- a/drivers/net/ena/ena_ethdev.c
++++ b/drivers/net/ena/ena_ethdev.c
+@@ -261,16 +261,6 @@ static inline void ena_rx_mbuf_prepare(struct rte_mbuf *mbuf,
+ {
+ uint64_t ol_flags = 0;
+
+- if (ena_rx_ctx->l4_proto == ENA_ETH_IO_L4_PROTO_TCP)
+- ol_flags |= PKT_TX_TCP_CKSUM;
+- else if (ena_rx_ctx->l4_proto == ENA_ETH_IO_L4_PROTO_UDP)
+- ol_flags |= PKT_TX_UDP_CKSUM;
+-
+- if (ena_rx_ctx->l3_proto == ENA_ETH_IO_L3_PROTO_IPV4)
+- ol_flags |= PKT_TX_IPV4;
+- else if (ena_rx_ctx->l3_proto == ENA_ETH_IO_L3_PROTO_IPV6)
+- ol_flags |= PKT_TX_IPV6;
+-
+ if (unlikely(ena_rx_ctx->l4_csum_err))
+ ol_flags |= PKT_RX_L4_CKSUM_BAD;
+ if (unlikely(ena_rx_ctx->l3_csum_err))