From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.tipi-net.de (mail.tipi-net.de [194.13.80.246]) (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 E2F553F7AA9; Wed, 6 May 2026 09:56:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=194.13.80.246 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778061394; cv=none; b=okTvpVPAVYrBdixzop9A8TcwWLs3CXu6E4IYvvUkT7u+awTjKHoTGidGIgObT3PrlewpDMXQx3trzPWnIX1HVc9M0UYOBYtPffTfiAN9Rk3ZljipJI860YsZfASUqXW0cmMI7sbQ6c8s5M3xyw7l9oX8kezCZj33z4WDsEqLP4c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778061394; c=relaxed/simple; bh=S5jtHuUhrgP7XIFMEEWihE9bYWRHbKX3EMbbwVINYPs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Nv6GoQka9WdxbNyS2Ro/3pHuQeDCJFfMkFduRbMXXnmTWrNJZwYAHWlNKaI2nIKWAcsGQmSeX/04JI0J1ZIpFt4LEo3CNM+bC9IvviN6oVbLS9w5yXsmT9MYRHYq+uk4HVLJsQ/GCQT9M9ylGzYMq3Y2F8tUQDaqUKDWU1qtF9s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tipi-net.de; spf=pass smtp.mailfrom=tipi-net.de; dkim=pass (2048-bit key) header.d=tipi-net.de header.i=@tipi-net.de header.b=e41WIoUu; arc=none smtp.client-ip=194.13.80.246 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tipi-net.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=tipi-net.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=tipi-net.de header.i=@tipi-net.de header.b="e41WIoUu" Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id EF457A50CB; Wed, 6 May 2026 11:56:08 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tipi-net.de; s=dkim; t=1778061369; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=+9XrctG5iXFk07Qp+2Ed8G6CZPkaK5zapnSggzPOoc8=; b=e41WIoUuG0/47uvGDc5R+3BHdzlW4awxKfB9HphbLztUIXIvLSElT5vRiO372nmDQT69sA B952fIO6W9tmEnNA2IfeafSmXZOfYsnwcESOnf3ZnTw0wQvcpYU6LI/VlC/K2r6ZzLBtLu 0WBwOiGj7ey9Vfh5u2EMwI2b2CLnvTOdGJ1PDVUUABarY/3fMAUJLKLt2lLDcXsxzPwbk4 8VqHu9AkVgxEriH3Oqz4JG8x3FC2tEH8QtmCeBTTuQE52oJ3p/jo4KJmEsN9+1+MW0G0sN 3iuWUojTo2n7Y+15if9cV3+wXn8bDC4qMNxzNL/eiqYo6550ZPdQcJUBrHJKgw== From: Nicolai Buchwitz To: netdev@vger.kernel.org Cc: Justin Chen , Simon Horman , Mohsin Bashir , Doug Berger , Florian Fainelli , Broadcom internal kernel review list , Andrew Lunn , Eric Dumazet , Paolo Abeni , Nicolai Buchwitz , "David S. Miller" , Jakub Kicinski , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Stanislav Fomichev , linux-kernel@vger.kernel.org, bpf@vger.kernel.org Subject: [PATCH net-next v9 6/7] net: bcmgenet: add XDP statistics counters Date: Wed, 6 May 2026 11:55:49 +0200 Message-ID: <20260506095553.55357-7-nb@tipi-net.de> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260506095553.55357-1-nb@tipi-net.de> References: <20260506095553.55357-1-nb@tipi-net.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Last-TLS-Session-Version: TLSv1.3 Expose per-action XDP counters via ethtool -S: xdp_pass, xdp_drop, xdp_tx, xdp_tx_err, xdp_redirect, and xdp_redirect_err. These use the existing soft MIB infrastructure and are incremented in bcmgenet_run_xdp() alongside the existing driver statistics. Signed-off-by: Nicolai Buchwitz --- drivers/net/ethernet/broadcom/genet/bcmgenet.c | 17 +++++++++++++++++ drivers/net/ethernet/broadcom/genet/bcmgenet.h | 7 +++++++ 2 files changed, 24 insertions(+) diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index 4e4fe785f0bf..359a297a25e6 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -1170,6 +1170,14 @@ static const struct bcmgenet_stats bcmgenet_gstrings_stats[] = { STAT_GENET_SOFT_MIB("tx_realloc_tsb", mib.tx_realloc_tsb), STAT_GENET_SOFT_MIB("tx_realloc_tsb_failed", mib.tx_realloc_tsb_failed), + /* XDP counters */ + STAT_GENET_SOFT_MIB("xdp_pass", mib.xdp_pass), + STAT_GENET_SOFT_MIB("xdp_drop", mib.xdp_drop), + STAT_GENET_SOFT_MIB("xdp_aborted", mib.xdp_aborted), + STAT_GENET_SOFT_MIB("xdp_tx", mib.xdp_tx), + STAT_GENET_SOFT_MIB("xdp_tx_err", mib.xdp_tx_err), + STAT_GENET_SOFT_MIB("xdp_redirect", mib.xdp_redirect), + STAT_GENET_SOFT_MIB("xdp_redirect_err", mib.xdp_redirect_err), /* Per TX queues */ STAT_GENET_Q(0), STAT_GENET_Q(1), @@ -2432,6 +2440,7 @@ static unsigned int bcmgenet_run_xdp(struct bcmgenet_rx_ring *ring, switch (act) { case XDP_PASS: + priv->mib.xdp_pass++; return XDP_PASS; case XDP_TX: /* Prepend a zeroed TSB (Transmit Status Block). The GENET @@ -2444,6 +2453,7 @@ static unsigned int bcmgenet_run_xdp(struct bcmgenet_rx_ring *ring, sizeof(struct status_64) + sizeof(struct xdp_frame)) { page_pool_put_full_page(ring->page_pool, rx_page, true); + priv->mib.xdp_tx_err++; return XDP_DROP; } xdp->data -= sizeof(struct status_64); @@ -2454,6 +2464,7 @@ static unsigned int bcmgenet_run_xdp(struct bcmgenet_rx_ring *ring, if (unlikely(!xdpf)) { page_pool_put_full_page(ring->page_pool, rx_page, true); + priv->mib.xdp_tx_err++; return XDP_DROP; } @@ -2463,19 +2474,24 @@ static unsigned int bcmgenet_run_xdp(struct bcmgenet_rx_ring *ring, xdpf, false))) { spin_unlock(&tx_ring->lock); xdp_return_frame_rx_napi(xdpf); + priv->mib.xdp_tx_err++; return XDP_DROP; } bcmgenet_xdp_ring_doorbell(priv, tx_ring); spin_unlock(&tx_ring->lock); + priv->mib.xdp_tx++; return XDP_TX; case XDP_REDIRECT: if (unlikely(xdp_do_redirect(priv->dev, xdp, prog))) { + priv->mib.xdp_redirect_err++; page_pool_put_full_page(ring->page_pool, rx_page, true); return XDP_DROP; } + priv->mib.xdp_redirect++; return XDP_REDIRECT; case XDP_DROP: + priv->mib.xdp_drop++; page_pool_put_full_page(ring->page_pool, rx_page, true); return XDP_DROP; default: @@ -2483,6 +2499,7 @@ static unsigned int bcmgenet_run_xdp(struct bcmgenet_rx_ring *ring, fallthrough; case XDP_ABORTED: trace_xdp_exception(priv->dev, prog, act); + priv->mib.xdp_aborted++; page_pool_put_full_page(ring->page_pool, rx_page, true); return XDP_ABORTED; } diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.h b/drivers/net/ethernet/broadcom/genet/bcmgenet.h index 7e5d9ab0050b..e5e775a53f6d 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.h +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.h @@ -156,6 +156,13 @@ struct bcmgenet_mib_counters { u32 tx_dma_failed; u32 tx_realloc_tsb; u32 tx_realloc_tsb_failed; + u32 xdp_pass; + u32 xdp_drop; + u32 xdp_aborted; + u32 xdp_tx; + u32 xdp_tx_err; + u32 xdp_redirect; + u32 xdp_redirect_err; }; struct bcmgenet_tx_stats64 { -- 2.51.0