From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-qt1-f202.google.com (mail-qt1-f202.google.com [209.85.160.202]) (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 6D17C26CE05 for ; Mon, 27 Apr 2026 09:36:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777282598; cv=none; b=jNoheU6gVmnAMWNu10YPmKHLK6lWrbm7s9rSYQGvRDp8X6/AvnXqW4zFiUzafMW9c/GMEQb2mrEvZR8/7AUeGY7cx2TkCvrPvAlzDRMIMm0ynY+DVfxdbOc6vZBkjOSwayfPfZ7xoM/wz0jcNsml0dsXREjsFmJnfOvBmy5AY6E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777282598; c=relaxed/simple; bh=F8Bv+5WXV2kI+LpHXF6w+smjvUtaDDO/g+Ir6e3MAhQ=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=CGcCVLZK0VjCGV4xm5+mc+nW9GAbhfBCrhz7U/h4j3BEACjZFITteg2bq9pzTfr0WadbHOoISFD97ZJqdst5/0hHZ16xyojMnToUmkKAZyNEXfDbKmf2Hl+cPNV4AiwUFrBYXcquxcxqjUedzG6k+bIYNX4od4ySztBG2WyXzbg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--edumazet.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=DuriooSs; arc=none smtp.client-ip=209.85.160.202 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--edumazet.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="DuriooSs" Received: by mail-qt1-f202.google.com with SMTP id d75a77b69052e-50ea1a7a5d0so176999101cf.3 for ; Mon, 27 Apr 2026 02:36:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1777282596; x=1777887396; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=3BCpQyGC542SKFUih1tRe3mSFZl6FqftJtzrL2ByEqc=; b=DuriooSsSz2uTYQONpgaUv7NAQ6q1zHulJPO5/FUW/abPI4e4DtQgKJioP4S5NKSet DBOff8PEfTcjeZqM4hg3oCElnAz+tFB5+TBDo1EqDoTgx/s9HTbzGpsMYMKwX0+ct6B+ tEEfOg6T1sOI477d8p/UZzDfLTLaa58fw84qZfEKDSOgho9QTPGgltU9rZRmUi0lZytJ KDM+JS9lc/le+ZwPJJYljuzKvjUlg2p1Ud44hee+6/mANEq6wRxvwg2dhCCov6oCOuf6 TgnShB9TnVl77BZGNFOouXZ9baknHu9jC9ud85USyFPCavUEmcCyh+99gxwH8ONQiaxF pTXA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777282596; x=1777887396; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=3BCpQyGC542SKFUih1tRe3mSFZl6FqftJtzrL2ByEqc=; b=Ht22SrJTr/7eiW8AJ4uHQxtOgxEGvMfsF1oC9xrKL4hRuPXuK40oK5rRJTyL/RiJZQ Z9MLOv0XMgfUYED8o0TlmvIaz6fUPjFBbIRkBbIB8MIV3kSsdz3iOPGR/0wBvMNvoKlm uaFPcbi8dYDcRL+PmHnPbTc1unYZ1YdOziftbUytoq/hwquiS4gCgtzUi7yf8aIKh4Tw Gn4kdM7gnqrW/Y4kEO1L9wqw2Jzlqzo7shLjrollVLh3imAY7vUSbR5iJg9ncp8n4aHA 5/IRPNicuMuUMFsgaPakhss4zF8KYVo5N32p9bOEfxem/7PnXZAOZI0wNKvZqOZg2LNh /FOg== X-Forwarded-Encrypted: i=1; AFNElJ+oAIytP7Vf/np5NkdMIlAYaR4ExTsDXVFtoPmXItEoPyY8len47FD/qRljD6DGNz6jc6aRcsU=@vger.kernel.org X-Gm-Message-State: AOJu0Yze4QUj81bfA5sD2g2s9r1xBwDae7qnUsHKe13ms9DGsI9kc6JM wSyxXqfUMNm7Z3lwJEC467febepm4Mrg/jWsJy0RFhCmNzPIIWOw50G2rJO1wcsElO+ssVNf1ZK 8FTV5dhfbhrugkg== X-Received: from qtrj19.prod.google.com ([2002:ac8:74d3:0:b0:50e:6306:12d3]) (user=edumazet job=prod-delivery.src-stubby-dispatcher) by 2002:a05:622a:2615:b0:50d:8792:b6d1 with SMTP id d75a77b69052e-50e36c122efmr620258881cf.38.1777282596218; Mon, 27 Apr 2026 02:36:36 -0700 (PDT) Date: Mon, 27 Apr 2026 09:36:33 +0000 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.54.0.545.g6539524ca2-goog Message-ID: <20260427093633.979310-1-edumazet@google.com> Subject: [PATCH net-next] ipvlan: use netif_receive_skb() in ipvlan_process_multicast() From: Eric Dumazet To: "David S . Miller" , Jakub Kicinski , Paolo Abeni Cc: Simon Horman , netdev@vger.kernel.org, eric.dumazet@gmail.com, Eric Dumazet Content-Type: text/plain; charset="UTF-8" ipvlan_process_multicast() runs from process context, there is no risk of stack overflow if we call netif_receive_skb() instead of netif_rx(). This avoids some overhead adding/removing skbs to/from a per-cpu backlog and raising/processing NET_RX softirqs. Signed-off-by: Eric Dumazet --- drivers/net/ipvlan/ipvlan_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c index 1be8620ad3971d281fb36fd0770efd67b566ae60..7ad12dc7845c836bdd04395f153b2b4b397797d6 100644 --- a/drivers/net/ipvlan/ipvlan_core.c +++ b/drivers/net/ipvlan/ipvlan_core.c @@ -286,7 +286,7 @@ void ipvlan_process_multicast(struct work_struct *work) if (tx_pkt) ret = dev_forward_skb(ipvlan->dev, nskb); else - ret = netif_rx(nskb); + ret = netif_receive_skb(nskb); } ipvlan_count_rx(ipvlan, len, ret == NET_RX_SUCCESS, true); local_bh_enable(); -- 2.54.0.545.g6539524ca2-goog