diff options
| author |   Matthew Smith <mgsmith@netgate.com> | 2017-12-18 14:19:07 -0600 |
|---|---|---|
| committer |   Damjan Marion <dmarion.lists@gmail.com> | 2018-01-09 20:22:14 +0000 |
| commit | a5fb2cf8be8298e589c2b619f7e907a0a1d76262 (patch) | |
| tree | 70d2730f421e51dd1579f096690c534f02b4b42b /dpdk | |
| parent | 8554f8adcc97b10eee674762307bfb2ede76d722 (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')
| -rw-r--r-- | dpdk/dpdk-17.11_patches/0001-ena-pmd-no-tx-flags.patch | 21 |
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)) |