Fix rdma UT (#3146)

Author: chenBright

.github/actions/install-soft-RoCE/action.yml

@@ -0,0 +1,20 @@
+runs:
+  using: "composite"
+  steps:
+  - run: |
+      KERNEL_VERSION=$(uname -r | cut -d '-' -f 1)
+      KERNEL_NAME="linux-${KERNEL_VERSION%'.0'}"
+      DOWNLOAD_LINK="https://cdn.kernel.org/pub/linux/kernel/v${KERNEL_VERSION%%.*}.x/${KERNEL_NAME}.tar.xz"
+      ETHERNET_CARD=$(ip link | awk -F ": " '$0 !~ "lo|vir|wl|^[^0-9]"{print $2;getline}' | head -1)
+      echo "kernel version is ${KERNEL_VERSION}, download link is ${DOWNLOAD_LINK}, ethernet card is ${ETHERNET_CARD}"
+      wget -q $DOWNLOAD_LINK -O /tmp/$KERNEL_NAME.tar.xz
+      tar xf /tmp/$KERNEL_NAME.tar.xz --directory=/tmp
+      RXE_PATH="/tmp/$KERNEL_NAME/drivers/infiniband/sw/rxe"
+      sed 's/$(CONFIG_RDMA_RXE)/m/g' $RXE_PATH/Makefile > $RXE_PATH/Kbuild
+      make -C /lib/modules/$(uname -r)/build M=$RXE_PATH modules -j
+      sudo modprobe ib_core
+      sudo modprobe rdma_ucm
+      sudo insmod $RXE_PATH/rdma_rxe.ko
+      sudo rdma link add rxe_0 type rxe netdev $ETHERNET_CARD
+      rdma link
+    shell: bash