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 8627237B00E; Thu, 16 Apr 2026 05:48:29 +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=1776318512; cv=none; b=Nw6lpvAAhbIWEjHmximlYp5Qgw3SUL7/HUt5OtH9mj1yBd0z/J4qNGWQnuU7hzeCxbXZ939icKUJusTFPl0mL0lP2NE305zeFsvTH5Q5ZqZLDGdn8VdLg9rVEtUna+0Li127SFsBR6DYYkR3N9831esKGhXevk26WuleWMIhDlY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776318512; c=relaxed/simple; bh=ugpOcOMYSeUGIn4LleLR8Bj5Y3rMnrlnSG2Z8WaO4tI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=OLQjFy7FPrxxfgZHAO8RBQuiIvD8IKmvWqiiDXtK9QIptIpuvkPzye5voumIE8ZPPHGh7M7/hyCP2v03HDeFtTOEBUPa12vKLmBiiizpTlo9/iVAdliYtb4NQ9Tl78fPQclVLyzvq8HHcSDTK2ZjuE+TkXg84d5pjGbEn9Nr/mc= 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=PDoX8ZuI; 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="PDoX8ZuI" Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 2194AA3859; Thu, 16 Apr 2026 07:48:25 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tipi-net.de; s=dkim; t=1776318505; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=W8R209rXo9+La5obZzGBZqCQtqGPKUNyLbvCnMdYIuk=; b=PDoX8ZuI33xjez/VhPBEQOoZ2QmcrSjK8R/R0hTXMRAVJjBpJhuX6ZoYyWWqJJZT/Sz+FJ gc0b8VCOpueLnL2lUPAJgZShrH5R4KySYqVw5xaS3S4M6YrhDBLwvXnPGWPeM8bT32zyuo hpib9t+0ZjwODy0lpWS2uPQMaeYQCn7GNvQ/DNZlMeAR1Rs2LRrPwdq2XDP6pDqUuMGLSo wGn7+49sw9Wql6DyPuDPnSdU8Na0QnSkUV8b6SeZ3gPGErhWCXheON/rI5OQkneXzCfcpU 5XLSUDNVbMUhphfSgI66lhBUKtPkHE1gkVPLusNb2/EWAWXI9cTCt/VpH+bKhQ== 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 v7 6/7] net: bcmgenet: add XDP statistics counters Date: Thu, 16 Apr 2026 07:47:38 +0200 Message-ID: <20260416054743.1289191-7-nb@tipi-net.de> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260416054743.1289191-1-nb@tipi-net.de> References: <20260416054743.1289191-1-nb@tipi-net.de> Precedence: bulk X-Mailing-List: bpf@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 Reviewed-by: Florian Fainelli --- drivers/net/ethernet/broadcom/genet/bcmgenet.c | 15 +++++++++++++++ drivers/net/ethernet/broadcom/genet/bcmgenet.h | 6 ++++++ 2 files changed, 21 insertions(+) diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index f94e9e287fe9..e74494be7a23 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -1169,6 +1169,13 @@ 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_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), @@ -2426,6 +2433,7 @@ 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 @@ -2438,6 +2446,7 @@ 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); @@ -2457,19 +2466,24 @@ 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: @@ -2477,6 +2491,7 @@ 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_drop++; 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 8966d32efe2f..c4e85c185702 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.h +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.h @@ -156,6 +156,12 @@ 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_tx; + u32 xdp_tx_err; + u32 xdp_redirect; + u32 xdp_redirect_err; }; struct bcmgenet_tx_stats64 { -- 2.51.0