From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f178.google.com (mail-pf1-f178.google.com [209.85.210.178]) (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 5C141416CEB for ; Mon, 20 Jul 2026 12:27:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.178 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784550444; cv=none; b=ExsMsdoT/tj2Gflz2nmmZ+HZrD67wKSg+7lg8gxMf7Bpx76Xe796DJdYaaLppNJR6jQOFfsg3zlebmBbrawyZtrNnNZfOGmVdFuNHhjc1o/3ye/frOG64L3L1y54Fk08oVWaOwQbFBBVpAFMnAwMMwBaHkh8Vp9GS6QdiggRFWM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784550444; c=relaxed/simple; bh=cc1siyX8k7fZfWcVovsf/Z5WhR/7MEZNbf8tANrRVdY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=WLOHi3UKvLp3spGpA1bpv7DHGSY+AW4QGnoYV+qMv/GfMnVCzOPD2WMKkbIVBd7+eUkFi0xzOEq2J7yZVUYAI5lgElBJ8qMnBpiUFK4fSdpyAnWVlSXuEWgkgex4V33lJ5llKmKZn3ZBJKf8N3kj2bIS2wBxFtkfvgXgj02jMyk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=dama.to; spf=none smtp.mailfrom=dama.to; dkim=pass (2048-bit key) header.d=dama-to.20251104.gappssmtp.com header.i=@dama-to.20251104.gappssmtp.com header.b=eOIHMmWA; arc=none smtp.client-ip=209.85.210.178 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=dama.to Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=dama.to Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=dama-to.20251104.gappssmtp.com header.i=@dama-to.20251104.gappssmtp.com header.b="eOIHMmWA" Received: by mail-pf1-f178.google.com with SMTP id d2e1a72fcca58-848479c9bd5so4350823b3a.3 for ; Mon, 20 Jul 2026 05:27:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dama-to.20251104.gappssmtp.com; s=20251104; t=1784550443; x=1785155243; 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:content-type; bh=ra9Nxq6jMS2h3bjjMXgmORxdOVCRbNrcCvu/et+3t0E=; b=eOIHMmWA8vJXy2vrGLScKuby8uOP9linyahKoSA9WBwQg/rrAgGxb+svj+Rjtlk5+J qv7q2Zb7mZIEMCMvTeF3BAamooIiaCI517eRkQfO21Gty8keKS7cIHBVDyDz32tMgwMk 8iWdob3aAaO66fekMAuMWmX5RTxNO9gpWfr9jW/vcNYbcUtrsTWWMrkBuIFQqdUAsTNX zPktUNSPQ1GFdkrEfBiKCM1fTCOchLdxbgCE9iLWdeYGxIH3wCFRouRR/gobBOv4fj6n 0Zm1Jvz1jgbzq8TpCH0vd8WhBPunVD0dwzy14a5GNW7LdxV6TVPdRt1VgMNiS10sVIsH S7rA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1784550443; x=1785155243; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=ra9Nxq6jMS2h3bjjMXgmORxdOVCRbNrcCvu/et+3t0E=; b=mf7ZwWdYlX2hUbNLTeGfouvrkAJqeM8GNStjgfr8j8NuoyUmacRCAvTIMspnzZez6H wgtNl2Rwhbll5b1CYadM/WvuGKZLvSxBJPvacqGfLBtDVrNri0h/pwNm4stEnhlJjXpo 7Pb4FZPUzUwZuF00aLyMhuYpVB61cLO/cUnkecNUG7I9pn37xqHXtSiw5tmAuTRnuR85 nvO/X+NTVPA8B4P+otQZ+GS/A01GtLbpEga1VDdYqMCN6BmqwFzZ1s5TeW5eHBAlYiL/ B8MdMKbbmpY4K2ZjH8HwlIZwLpU+m4cCPL1p+1D5M2lB56Zq9NujGuYXcZkOmDB76YiS R3AQ== X-Forwarded-Encrypted: i=1; AHgh+RqCsNV8e20TGpvqO/M0jrctp0eZGsJwQxLfmVrqnuwjVhTGYCefmHrk81WSKrsfkecPcLipejwdNZpuyrg=@vger.kernel.org X-Gm-Message-State: AOJu0YzjV+S1KXpv4ZOraWavArJ39RYKBcPb/gxmXmZ83iOawZNMnH0K 334j/DbwiQgOKj1AJZLil+IXsBT48fS0iydscRz6vr73oIeJ2rzDJ0kg1Eyko79bDnw= X-Gm-Gg: AfdE7ckv4bMZn6e6hHnyaHt2Ni8vagDY0zQd1qeKeX4I3sNRX0xnEEDWbLJhE1prAOl fpzbvq3s1iqWCcxGzxP1dX6aMn2D6bjONl5KPPTJP8M5dnnIgF46jNRlW8Yne9nNh8pqxjdnC7y g9yKuechZrRS6ZVAvU7VGPnH3O7r4J23MgQfW0wrbvp64gRKxj95f8mIfshhqnjm+YtrsQ9i2Jy r7hfqvS9qTEfV9hT7AJV6EkRliw1qsxOAun8qLY6ecZ/IqTKHtY6J70X0LW8OevwyWALD1hPJd1 NNhncr4tlx/j6jn2sdBVFLMufWpevCxOdqagoikOqa91rbaMvgbe9D6swQIySmM6mUSkIhuse5y N5++g0FJNC9/0SV4DvT0G/RrEO1Mb9qhsB++abZMdJQPOr31lDVE10XstzQM= X-Received: by 2002:a05:6a00:1748:b0:848:6a95:a9d3 with SMTP id d2e1a72fcca58-84c2945a8aemr12310834b3a.40.1784550442721; Mon, 20 Jul 2026 05:27:22 -0700 (PDT) Received: from localhost ([2a03:2880:2ff:51::]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-cb5159b11a5sm4516766a12.0.2026.07.20.05.27.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Jul 2026 05:27:22 -0700 (PDT) From: Joe Damato To: netdev@vger.kernel.org, "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Shuah Khan Cc: andrew+netdev@lunn.ch, willemb@google.com, linux-kselftest@vger.kernel.org, Joe Damato , linux-kernel@vger.kernel.org Subject: [PATCH net-next v3 1/3] selftests/net: Test PACKET_STATISTICS Date: Mon, 20 Jul 2026 05:27:10 -0700 Message-ID: <20260720122714.759175-2-joe@dama.to> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260720122714.759175-1-joe@dama.to> References: <20260720122714.759175-1-joe@dama.to> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Update the existing packet socket test to include a test for the sockopt PACKET_STATISTICS. Signed-off-by: Joe Damato --- tools/testing/selftests/net/psock_snd.c | 32 ++++++++++++++++++++++++- 1 file changed, 31 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/psock_snd.c b/tools/testing/selftests/net/psock_snd.c index edf1e6f80d41..5be481a3d2bd 100644 --- a/tools/testing/selftests/net/psock_snd.c +++ b/tools/testing/selftests/net/psock_snd.c @@ -359,6 +359,34 @@ static void parse_opts(int argc, char **argv) error(1, 0, "option gso (-g) requires csum offload (-c)"); } +static void check_packet_stats(int fd) +{ + struct tpacket_stats st = {}; + socklen_t len = sizeof(st); + + if (getsockopt(fd, SOL_PACKET, PACKET_STATISTICS, &st, &len)) + error(1, errno, "getsockopt packet statistics"); + + if (st.tp_packets != 1) + error(1, 0, "stats: tp_packets %u != 1", st.tp_packets); + + if (st.tp_drops != 0) + error(1, 0, "stats: tp_drops %u != 0", st.tp_drops); + + /* verify clear on read */ + memset(&st, 0xff, sizeof(st)); + len = sizeof(st); + + if (getsockopt(fd, SOL_PACKET, PACKET_STATISTICS, &st, &len)) + error(1, errno, "getsockopt packet statistics"); + + if (st.tp_packets != 0) + error(1, 0, "stats: tp_packets %u != 0 after clear", st.tp_packets); + + if (st.tp_drops != 0) + error(1, 0, "stats: tp_drops %u != 0 after clear", st.tp_drops); +} + static void run_test(void) { int fdr, fds, total_len; @@ -369,9 +397,11 @@ static void run_test(void) total_len = do_tx(); /* BPF filter accepts only this length, vlan changes MAC */ - if (cfg_payload_len == DATA_LEN && !cfg_use_vlan) + if (cfg_payload_len == DATA_LEN && !cfg_use_vlan) { do_rx(fds, total_len - sizeof(struct virtio_net_hdr), tbuf + sizeof(struct virtio_net_hdr)); + check_packet_stats(fds); + } do_rx(fdr, cfg_payload_len, tbuf + total_len - cfg_payload_len); -- 2.53.0-Meta