🎈 perf: Enable dropless rq

Enable dropless rq

ansible/roles/OFED/files/90-nvidia-cx6-enable-dropless-rq.rules

@@ -0,0 +1 @@
+ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x15b3", ATTR{device}=="0x101d", RUN+="/usr/local/sbin/enable_dropless_rq.sh %k"

ansible/roles/OFED/files/enable_dropless_rq.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+PCI_ADDRESS=$1
+
+# Find network interface name associated with the given PCI address
+NET_INTERFACE=$(basename /sys/bus/pci/devices/${PCI_ADDRESS}/net/*)
+
+# Enable dropless_rq feature
+/sbin/ethtool --set-priv-flags ${NET_INTERFACE} dropless_rq on

ansible/roles/OFED/tasks/main.yml

@@ -103,3 +103,19 @@
     mode: "0755"
     remote_src: yes
 ###### end ######
+
+###### Enable dropless rq ######
+- name: "Set the udev rule"
+  copy:
+    src: "/tmp/mft/90-nvidia-cx6-enable-dropless-rq.rules"
+    dest: "/usr/lib/udev/rules.d/90-nvidia-cx6-enable-dropless-rq.rules"
+    mode: "0644"
+    remote_src: yes
+
+- name: "Copy the 'enable_dropless_rq.sh' "
+  copy:
+    src: "/tmp/mft/enable_dropless_rq.sh"
+    dest: "/usr/local/sbin/enable_dropless_rq.sh"
+    mode: "0755"
+    remote_src: yes
+###### end ######