From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f228.google.com (mail-pl1-f228.google.com [209.85.214.228]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 422D42DB7AD for ; Thu, 29 Jan 2026 06:17:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.228 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769667457; cv=none; b=Xtx2ek40P0XEiaeJlmUv/YLzoCGhStt+Vqt7j4Szj3WNc2/e6NCcCa8kBELdsa2Z+5EeQVIV3G328mCW53RUugL4n72erkj6mZZhZlWZwPv/jQIaYIpgHfDpsNsuPUNMk1GUrQIhvA2TDvTssKxMErN25TMuAf2ZKx4RQ0g+8GU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769667457; c=relaxed/simple; bh=g1JqeULTDW61vZgEnCGbS9W0ng6/TDXS0wGcmZHn57s=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=kjEib1deA3g6PrH2Le9ke10PhusVug+dhfDx1jsKuljuzcZ2vQmMn6EJm/S/0BOWQs+pwmSsLuDbk/VNFYWQ9+OonCh2uob/7eCfHCrqGxcdEQnJXNgRJl8ea68BJi55NfA2OFQpTKZtd0/N86BwK6+Mp83mZ1h9h6b4OqbbmE0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=broadcom.com; spf=fail smtp.mailfrom=broadcom.com; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b=dYSzlL61; arc=none smtp.client-ip=209.85.214.228 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=broadcom.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=broadcom.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="dYSzlL61" Received: by mail-pl1-f228.google.com with SMTP id d9443c01a7336-2a7a94c6d4fso2915035ad.0 for ; Wed, 28 Jan 2026 22:17:36 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769667455; x=1770272255; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:dkim-signature:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=ijOcFXxCM942lF0BqmGZdm0ZfSYbtqy0UaP1oVcX7Xs=; b=HW4dY3krLNkjz+UZy5/6IVwprMl5IMRWWbzdDVjQHntaVjgd2oUQXsQ0oSSlfntDin jm8Nf2DGGC0eoyfOUpUIwx5RpE/TBNgdPW2wlvCe4K6s/mXd65Ir8EslFPXzZBANhLFa Sxv4d4Lc7n/09U2xPUJ649GGxDUbJ4imyojQFTRjrS7cKnEJgm1cl1ez3cp5pcqsvhi3 UEoL3EbnhTpfuZS23A1m46slSy78q3CASGqP+m441clZT5MTPasV2MzbRr+gjOcxXRNC NIBsO1L/j0YbuNPHAD3oZPZMXM+r2lrJ8AUfl423r4hYbAHmJHc0eWgz3pVyUjh85JpS 6Dqg== X-Gm-Message-State: AOJu0YxmjXmGv/mvFHLcd0RFT+GRUIGV5Rjwe3DlSvvNY9fIAnad9smG 5LmojiC6ULlbryOOMa2dFNPog7HWBz1uw2u+4pMQ0jOaJ4+mOmNmCACQEP8KFtrEjEIaeYKHBoE s7Vs7yCSLYTpuTf0ZFVqNI9su/mpiVGzo27NWBeqRgYvNWjj8ptq6lWFHz4Ng3EA5paOsoIP86i iZgEXvHhMcUP7u9ya0NBf7bqn89tZIF9hCi93UYwRjs6bwx7MtV80+U5vuFCg5pYzCijTJccshy zBisXtmtn8= X-Gm-Gg: AZuq6aK1rshXhjBCfOQOx3s7L9W7+2CuKVezFZiG8Vs/zNoc5480nozSJerKr66lfmn 3RwwuQuAKSg23EW6mY7fnaT6z0iijQoOeKek49LE+T+j62Ea1747kFaxnJ441LNf8ohWjdNHam8 Qo+DSlNPGU33uBL4O8LkxR+CyyopCK1+7coexvMWzurWLuJI+AIoA4RGuN0U5xOG1L57PsA9WxL /l5FFeF7pVotZFLyH1s3TsxHCmpUNPQc6AS1Tmf+7US9PfZpXoHQEQ0qza73LhDCfF8/FIC4OPB +ugk9kpkItzPnXX5gt7GaTW5H6qz0h4qHYLndZD9AtYjfd8UU89DOjrDpb6Cz3dWu5CPTbxhwJv UizeE/7HsEopd2kCZvZNVdyaXuDLqdxdcwmTTbmItbLImcFaQDSzQybUNtgtlcKRVg7HIzORVQs 6XEMfFxSGrW0Fue1PboElWe25AQCJk8exvNORBJBJ5EPw+ X-Received: by 2002:a17:903:1250:b0:294:def6:5961 with SMTP id d9443c01a7336-2a870e146f4mr77465075ad.45.1769667452625; Wed, 28 Jan 2026 22:17:32 -0800 (PST) Received: from smtp-us-east1-p01-i01-si01.dlp.protect.broadcom.com (address-144-49-247-17.dlp.protect.broadcom.com. [144.49.247.17]) by smtp-relay.gmail.com with ESMTPS id d9443c01a7336-2a88b414125sm5651445ad.17.2026.01.28.22.17.32 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 28 Jan 2026 22:17:32 -0800 (PST) X-Relaying-Domain: broadcom.com X-CFilter-Loop: Reflected Received: by mail-dl1-f71.google.com with SMTP id a92af1059eb24-124aa710af7so4193603c88.1 for ; Wed, 28 Jan 2026 22:17:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1769667451; x=1770272251; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ijOcFXxCM942lF0BqmGZdm0ZfSYbtqy0UaP1oVcX7Xs=; b=dYSzlL61yJaTeEkibRewdgbnFLLjU7fjdq271LpjOgnzfbHqJi37kwIeC+eEh5cZhn ON1ADb6R+0aYYg/SPpTvS3l53eqwkpZFTBbi09dJyr3cGKPnbY9Jw7nkO1+nKc0QG3MP wx+zUij3HTzXMektDumYW803uY1c2ZsrcT4+E= X-Received: by 2002:a05:7022:6b94:b0:119:e56b:957c with SMTP id a92af1059eb24-124a005b9c3mr4795133c88.1.1769667450821; Wed, 28 Jan 2026 22:17:30 -0800 (PST) X-Received: by 2002:a05:7022:6b94:b0:119:e56b:957c with SMTP id a92af1059eb24-124a005b9c3mr4795116c88.1.1769667450225; Wed, 28 Jan 2026 22:17:30 -0800 (PST) Received: from lvnvda3289.lvn.broadcom.net ([192.19.161.250]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-124a9e0304bsm5318226c88.14.2026.01.28.22.17.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Jan 2026 22:17:29 -0800 (PST) From: Michael Chan To: davem@davemloft.net Cc: netdev@vger.kernel.org, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, andrew+netdev@lunn.ch, pavan.chebbi@broadcom.com, andrew.gospodarek@broadcom.com Subject: [PATCH net 4/4] selftests: drv-net: rss_ctx: test RSS contexts persist after ifdown/up Date: Wed, 28 Jan 2026 22:16:46 -0800 Message-ID: <20260129061646.1417185-5-michael.chan@broadcom.com> X-Mailer: git-send-email 2.45.4 In-Reply-To: <20260129061646.1417185-1-michael.chan@broadcom.com> References: <20260129061646.1417185-1-michael.chan@broadcom.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-DetectorID-Processed: b00c1d49-9d2e-4205-b15f-d015386d3d5e From: Pavan Chebbi Add tests to verify 1. that RSS contexts persist across interface down/up 2. that RSS contexts persist across interface down/up along with their associated Ntuple fitlers Testing on bnxt_en: TAP version 13 1..1 # timeout set to 0 # selftests: drivers/net/hw: rss_ctx.py # TAP version 13 # 1..2 # ok 1 rss_ctx.test_rss_context_persist_ifupdown # ok 2 rss_ctx.test_rss_context_ntuple_persist_ifupdown # # Totals: pass:2 fail:0 xfail:0 xpass:0 skip:0 error:0 ok 1 selftests: drivers/net/hw: rss_ctx.py Reviewed-by: Andy Gospodarek Signed-off-by: Pavan Chebbi Signed-off-by: Michael Chan --- .../selftests/drivers/net/hw/rss_ctx.py | 117 +++++++++++++++++- 1 file changed, 116 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/drivers/net/hw/rss_ctx.py b/tools/testing/selftests/drivers/net/hw/rss_ctx.py index ed7e405682f0..4e46c5931c7f 100755 --- a/tools/testing/selftests/drivers/net/hw/rss_ctx.py +++ b/tools/testing/selftests/drivers/net/hw/rss_ctx.py @@ -809,6 +809,119 @@ def test_rss_default_context_rule(cfg): 'noise' : (0, 1) }) +def test_rss_context_persist_ifupdown(cfg): + """ + Check that RSS contexts persist across an interface down/up cycle. + """ + + require_context_cnt(cfg, 10) + + # Create 10 RSS contexts and store their IDs and configurations + ctx_ids = [] + ctx_configs_before = {} + try: + for i in range(10): + ctx_id = ethtool_create(cfg, "-X", "context new") + ctx_ids.append(ctx_id) + defer(ethtool, f"-X {cfg.ifname} context {ctx_id} delete") + except CmdExitFailure: + raise KsftSkipEx(f"Could only create {len(ctx_ids)} contexts, test requires 10") + + # Bring interface down + ip(f"link set dev {cfg.ifname} down") + + # Bring interface back up + ip(f"link set dev {cfg.ifname} up") + + # Wait for interface to be fully up + cfg.wait_hw_stats_settle() + + # Verify all 10 contexts still exist after ifup + missing_contexts = [] + persisted_contexts = [] + + for ctx_id in ctx_ids: + try: + data = get_rss(cfg, context=ctx_id) + _rss_key_check(cfg, data=data, context=ctx_id) + persisted_contexts.append(ctx_id) + except CmdExitFailure: + missing_contexts.append(ctx_id) + ksft_pr(f"Context {ctx_id} is missing after ifup") + + +def test_rss_context_ntuple_persist_ifupdown(cfg): + """ + Test that RSS contexts and their associated ntuple filters persist across + an interface down/up cycle. + """ + + require_ntuple(cfg) + require_context_cnt(cfg, 10) + + # Create 10 RSS contexts with ntuple filters + ctx_ids = [] + ntuple_ids = [] + ports = [] + + try: + for i in range(10): + # Create RSS context + ctx_id = ethtool_create(cfg, "-X", "context new") + ctx_ids.append(ctx_id) + defer(ethtool, f"-X {cfg.ifname} context {ctx_id} delete") + + # Create ntuple filter for this context + port = rand_port() + ports.append(port) + flow = f"flow-type tcp{cfg.addr_ipver} dst-ip {cfg.addr} dst-port {port} context {ctx_id}" + ntuple_id = ethtool_create(cfg, "-N", flow) + ntuple_ids.append(ntuple_id) + defer(ethtool, f"-N {cfg.ifname} delete {ntuple_id}") + + except CmdExitFailure: + raise KsftSkipEx(f"Could only create {len(ctx_ids)} contexts with ntuple filters, test requires 10") + + # Bring interface down + ip(f"link set dev {cfg.ifname} down") + + # Bring interface back up + ip(f"link set dev {cfg.ifname} up") + + # Wait for interface to be fully up + cfg.wait_hw_stats_settle() + + # Verify all contexts and ntuple rules still exist after ifup + missing_contexts = [] + persisted_contexts = [] + missing_ntuple_rules = [] + persisted_ntuple_rules = [] + broken_associations = [] + + for i, ctx_id in enumerate(ctx_ids): + # Check if context persists + try: + data = get_rss(cfg, context=ctx_id) + _rss_key_check(cfg, data=data, context=ctx_id) + persisted_contexts.append(ctx_id) + except CmdExitFailure: + missing_contexts.append(ctx_id) + ksft_pr(f"Context {ctx_id} is missing after ifup") + continue + + # Check if ntuple rule persists + ntuple_id = ntuple_ids[i] + try: + _ntuple_rule_check(cfg, ntuple_id, ctx_id) + persisted_ntuple_rules.append(ntuple_id) + except CmdExitFailure: + missing_ntuple_rules.append(ntuple_id) + ksft_pr(f"Ntuple rule {ntuple_id} is missing after ifup") + except Exception as e: + broken_associations.append((ntuple_id, ctx_id)) + ksft_pr(f"Ntuple rule {ntuple_id} exists but is not properly associated with context {ctx_id}: {e}") + + def main() -> None: with NetDrvEpEnv(__file__, nsim_test=False) as cfg: cfg.context_cnt = None @@ -823,7 +936,9 @@ def main() -> None: test_rss_context_out_of_order, test_rss_context4_create_with_cfg, test_flow_add_context_missing, test_delete_rss_context_busy, test_rss_ntuple_addition, - test_rss_default_context_rule], + test_rss_default_context_rule, + test_rss_context_persist_ifupdown, + test_rss_context_ntuple_persist_ifupdown], args=(cfg, )) ksft_exit() -- 2.51.0