From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E68EC598BEF; Fri, 16 Oct 2026 17:44:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792172642; cv=none; b=Y+AqzcU2cgy5vty6lLQVfp661heHwVvDc1heTdt672MVWW81PTpO5yG78Wp+MWZ6rR9EMe5RivRa3WQ5IS4XgzyuOvANsKpYouhyHRA17lGIWUdDHsr0nrg8tO3q+Xv5QQkPkZIUFVjuqiJoek/Ba5n63OcZeqpzuqVsdVwBFqM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792172642; c=relaxed/simple; bh=ET93SLZI1pICuf19eo4HcWM5OwJk0++f1Zm11+bMMU0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=o0kwM4npvAI9Vjgd1G4OuTOaYk9o30H+iP9iTde86jC1a1T93MCt1TjuhaNybc2/Ts7yU7kmFpKDRiqjk1J17cDHJsJohsMKLXkzyEA0FF6wEsSg5197+iePir65Lum/azQBb727eTufJCwO3rcQhjkisBMqDpeK9QF33c8wk/Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=AgatvIeo; arc=none smtp.client-ip=198.175.65.17 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="AgatvIeo" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1792172641; x=1823708641; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ET93SLZI1pICuf19eo4HcWM5OwJk0++f1Zm11+bMMU0=; b=AgatvIeo88BvRIVxgNeSkxEVPPvp55LiySCq/7G1DdiHGMx37sqkj4Ti vGblDwl7rphRXfnJLH/OCZXm8wUK/p71cv82niJMknmqqcrKHCcMHjOBl 9wUdvO7cEdbzJhbyEDDnOGfmwTcx2pbEXiSkmy+2GoY6g2aQXirKvv0Nq WR1IyIZNw0JBatbnwYO4gcms3GrJM2aHtBogajrp4BNafvK8M+jP8Rli7 pPLY69WwpLnFgJUzUwPxhgtKKbIB3rIYb7IUrKT7mRD3/0gWpcZ1v5iUh L/kYiLUnyx0YLBoCz3TjHMwbVIND3Ns9pFBtBGjjLALKQ4DpzZrf4oiv/ Q==; X-CSE-ConnectionGUID: drrvDhXpTlqtv29t/08lag== X-CSE-MsgGUID: Tifb8u48T7qeRI4/yjiyhQ== X-IronPort-AV: E=McAfee;i="6800,10657,11937"; a="972355" X-IronPort-AV: E=Sophos;i="6.27,162,1787036400"; d="scan'208";a="972355" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Oct 2026 10:44:00 -0700 X-CSE-ConnectionGUID: aeHxGyvcSLilkrIv9fFUKQ== X-CSE-MsgGUID: +TWc1DxDQaWP8SXVLih3BA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,162,1787036400"; d="scan'208";a="2425194" Received: from boxer.igk.intel.com ([10.102.20.173]) by orviesa010.jf.intel.com with ESMTP; 16 Oct 2026 10:43:58 -0700 From: Maciej Fijalkowski To: netdev@vger.kernel.org Cc: bpf@vger.kernel.org, magnus.karlsson@intel.com, stfomichev@gmail.com, kuba@kernel.org, pabeni@redhat.com, tushar.vyavahare@intel.com, kerneljasonxing@gmail.com, bjorn@kernel.org, Maciej Fijalkowski Subject: [PATCH v4 net-next 05/15] selftests: net: add a generic rule for BPF skeletons Date: Fri, 16 Oct 2026 19:43:28 +0200 Message-Id: <20261016174338.787135-6-maciej.fijalkowski@intel.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20261016174338.787135-1-maciej.fijalkowski@intel.com> References: <20261016174338.787135-1-maciej.fijalkowski@intel.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit net/bpf.mk builds the BPF programs of the networking selftests, but a test that loads its program through a bpftool-generated skeleton has to bring its own rule for the header. Add a pattern rule that generates $(OUTPUT)/.skel.h from $(OUTPUT)/.bpf.o with $(BPFTOOL), which defaults to the bpftool in PATH. A failing bpftool leaves no partial header behind for a later build to take as up to date. xskxceiver, which moves to net/lib in the next patch, is the first user. Reviewed-by: Björn Töpel Signed-off-by: Maciej Fijalkowski --- tools/testing/selftests/net/bpf.mk | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tools/testing/selftests/net/bpf.mk b/tools/testing/selftests/net/bpf.mk index a4f6755dd894..0eca0c5de5b5 100644 --- a/tools/testing/selftests/net/bpf.mk +++ b/tools/testing/selftests/net/bpf.mk @@ -1,6 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 # Rules to generate bpf objs CLANG ?= clang +BPFTOOL ?= bpftool SCRATCH_DIR := $(OUTPUT)/tools BUILD_DIR := $(SCRATCH_DIR)/build BPFDIR := $(top_srcdir)/tools/lib/bpf @@ -42,6 +43,11 @@ $(BPF_PROG_OBJS): $(OUTPUT)/%.o : %.c $(BPFOBJ) | $(MAKE_DIRS) $(Q)$(CLANG) -O2 -g --target=bpf $(CCINCLUDE) $(CLANG_SYS_INCLUDES) \ -c $< -o $@ +$(OUTPUT)/%.skel.h: $(OUTPUT)/%.bpf.o + $(call msg,GEN-SKEL,,$@) + $(Q)$(BPFTOOL) gen skeleton $< name $(notdir $*) > $@ || \ + { rm -f $@; exit 1; } + $(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ $(APIDIR)/linux/bpf.h \ | $(BUILD_DIR)/libbpf -- 2.43.0