From 562edf5af174e7285cbbd49e67ca0d5af89508f8 Mon Sep 17 00:00:00 2001
From: Chaitanya Tata <Chaitanya.Tata@nordicsemi.no>
Date: Wed, 8 Nov 2023 01:42:15 +0530
Subject: [PATCH] ci: Add a workflow to check Wi-Fi FW patch version

This workflow checks the version between the C header and the firmware
patch bins and leaves a comment.

Signed-off-by: Chaitanya Tata <Chaitanya.Tata@nordicsemi.no>
---
 .github/workflows/check_wifi_fw_patch.yml | 49 +++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 .github/workflows/check_wifi_fw_patch.yml

diff --git a/.github/workflows/check_wifi_fw_patch.yml b/.github/workflows/check_wifi_fw_patch.yml
new file mode 100644
index 0000000000..e1010f98ed
--- /dev/null
+++ b/.github/workflows/check_wifi_fw_patch.yml
@@ -0,0 +1,49 @@
+name: Verify nRF70 Wi-Fi firmware patch version
+on: pull_request
+env:
+    PATCH_INFO_FILE: 'nrf_wifi/fw_if/umac_if/inc/fw/patch_info.h'
+    PATCH_BIN_BASE: 'nrf_wifi/fw_bins'
+    PATH_BIN_NAME: 'nrf70.bin'
+    PATCH_BIN_VER_OFFSET: 8
+    COMMENT: 'nRF70 Wi-Fi firmware patch version:'
+jobs:
+    verify:
+      runs-on: ubuntu-latest
+      steps:
+      - name: Install gawk (needed for strtonum() function in awk below)
+        run: sudo apt-get install gawk
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Extract patch version
+        run: |
+            echo EXP_PATCH_VERSION=$(cat ${{ env.PATCH_INFO_FILE }} | grep "#define RPU_" | awk '{print $3}' | tr -d '()' | paste -sd ".") >> "$GITHUB_OUTPUT"
+        id: patch_version
+      - name: Verify patch version
+        run: |
+          for patch in $(find ${{ env.PATCH_BIN_BASE }} -name ${{ PATH_BIN_NAME }}); do
+            echo "Verifying $patch"
+            patch_version=$(hexdump -s ${{ env.PATCH_BIN_VER_OFFSET }} -n 4 -e '4/1 "%02x "' $patch | awk '{ for(i=NF; i>0; i--) printf("%d%s", strtonum("0x"$i), (i==1?"\n":".")) }')
+            echo "Patch version: $patch_version, expected: ${{ steps.patch_version.outputs.EXP_PATCH_VERSION }}"
+            if [ "${{ steps.patch_version.outputs.EXP_PATCH_VERSION }}" != "$patch_version" ]; then
+              echo "COMMENT<<EOF" >> $GITHUB_ENV
+              echo "${{env.COMMENT}}: Mismatch for $patch: (Got)$patch_version != (Expected)${{ steps.patch_version.outputs.EXP_PATCH_VERSION }}" >> $GITHUB_ENV
+              echo "EOF" >> $GITHUB_ENV
+              exit 1
+            else
+              echo "COMMENT<<EOF" >> $GITHUB_ENV
+              echo "${{env.COMMENT}} Verified for $patch" >> $GITHUB_ENV
+              echo "EOF" >> $GITHUB_ENV
+            fi
+          done
+      - name: Comment on PR
+        if: ${{ always() }}
+        uses: actions/github-script@v3
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            github.issues.createComment({
+              issue_number: context.issue.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              body: "${{ env.COMMENT }}"
+            })