From d9251dbd836d762fff82257b8053beb24e745ca1 Mon Sep 17 00:00:00 2001 From: Ting Liu Date: Tue, 9 Jun 2020 15:23:50 +0800 Subject: ovs-dpdk: add configurable buffer parameter via env Provide an alternative way to set packet buffer via env variable DPDK_NUM_MBUF, besides automatic calculation. Signed-off-by: Ting Liu --- ...-have-env-based-configurable-number-of-pa.patch | 34 ++++++++++++++++++++++ recipes-extended/ovs-dpdk/ovs-dpdk_2.13.0.bb | 1 + 2 files changed, 35 insertions(+) create mode 100644 recipes-extended/ovs-dpdk/files/0001-netdev-dpdk-have-env-based-configurable-number-of-pa.patch (limited to 'recipes-extended') diff --git a/recipes-extended/ovs-dpdk/files/0001-netdev-dpdk-have-env-based-configurable-number-of-pa.patch b/recipes-extended/ovs-dpdk/files/0001-netdev-dpdk-have-env-based-configurable-number-of-pa.patch new file mode 100644 index 00000000..71b2b58c --- /dev/null +++ b/recipes-extended/ovs-dpdk/files/0001-netdev-dpdk-have-env-based-configurable-number-of-pa.patch @@ -0,0 +1,34 @@ +From 95c5c42b9581f595881df11ca8393dc6925f7d7d Mon Sep 17 00:00:00 2001 +From: Nipun Gupta +Date: Thu, 14 Feb 2019 17:57:14 +0530 +Subject: [PATCH] netdev-dpdk: have env based configurable number of packet + buffers + +use $export DPDK_NUM_MBUF=number + +Upstream-Status: Pending + +Signed-off-by: Nipun Gupta +--- + lib/netdev-dpdk.c | 5 +++++ + 1 file changed, 5 insertions(+) + +diff --git a/lib/netdev-dpdk.c b/lib/netdev-dpdk.c +index 6187129c0..1f456a63f 100644 +--- a/lib/netdev-dpdk.c ++++ b/lib/netdev-dpdk.c +@@ -656,6 +656,11 @@ dpdk_calculate_mbufs(struct netdev_dpdk *dev, int mtu, bool per_port_mp) + { + uint32_t n_mbufs; + ++ if (getenv("DPDK_NUM_MBUF")) { ++ n_mbufs = atoi(getenv("DPDK_NUM_MBUF")); ++ return n_mbufs; ++ } ++ + if (!per_port_mp) { + /* Shared memory are being used. + * XXX: this is a really rough method of provisioning memory. +-- +2.17.1 + diff --git a/recipes-extended/ovs-dpdk/ovs-dpdk_2.13.0.bb b/recipes-extended/ovs-dpdk/ovs-dpdk_2.13.0.bb index 8b48533f..9b5d2516 100644 --- a/recipes-extended/ovs-dpdk/ovs-dpdk_2.13.0.bb +++ b/recipes-extended/ovs-dpdk/ovs-dpdk_2.13.0.bb @@ -8,6 +8,7 @@ RDEPENDS_${PN} = "bash libcrypto libssl python3" inherit python3native SRC_URI = "git://source.codeaurora.org/external/qoriq/qoriq-components/ovs-dpdk;nobranch=1 \ + file://0001-netdev-dpdk-have-env-based-configurable-number-of-pa.patch \ " SRCREV = "71d553b995d0bd527d3ab1e9fbaf5a2ae34de2f3" -- cgit v1.2.3-54-g00ecf