--- /dev/null
+From 95c5c42b9581f595881df11ca8393dc6925f7d7d Mon Sep 17 00:00:00 2001
+From: Nipun Gupta <nipun.gupta@nxp.com>
+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 <nipun.gupta@nxp.com>
+---
+ 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
+
