From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 01EBFC433FE for ; Wed, 6 Apr 2022 16:12:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237345AbiDFQOk (ORCPT ); Wed, 6 Apr 2022 12:14:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35832 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237358AbiDFQOZ (ORCPT ); Wed, 6 Apr 2022 12:14:25 -0400 Received: from mail-pj1-x1033.google.com (mail-pj1-x1033.google.com [IPv6:2607:f8b0:4864:20::1033]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 42A7722C1CF for ; Tue, 5 Apr 2022 19:54:39 -0700 (PDT) Received: by mail-pj1-x1033.google.com with SMTP id c15-20020a17090a8d0f00b001c9c81d9648so1395367pjo.2 for ; Tue, 05 Apr 2022 19:54:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=5X6ZttCB1G1eeH1PyFS2TVp8s04u6dqGNL63YjagLhQ=; b=hcPHR2CfzghdO00bvWTATsHF/pkD0Sc5G/X2Zy1kztyIWEo4ONDzok0aDz4cV/1zQX yBadT8LJSFJZezR27vLBVPOMNSQ6y5UsONBEiA0kcyuOyUvmso9cEbyT1M/QNxFRjU0e QKdUTtGRDgMxwh/4pD1cfvByuS1rLC6GgDUeg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=5X6ZttCB1G1eeH1PyFS2TVp8s04u6dqGNL63YjagLhQ=; b=g814flwcVF6ZBGxWNGDOmfZBiTHALhcHlsUiq5R+tiDO2C9jzzwwYuDtg+h9YnPWV1 2HYZyIfYer/FYOl3b5zO1v7pNNpJBE0OeJaFzJNJpDXzQ/eTyGRgCUfekX+4NkTHV1Zl /iyXdRZO7L91K4d8L4hyPQ1m80j9nVxxwQsRdr+I6mb7BfuPkgheE7G0Iz/8MNpsf6ph 10zXj2GYcH3/MoSZZBfkEpnlkXssFwhvbugK4uRwTeWHOTVynvg42nebuR2AXRWDpsm1 7yfkA2ZjpWxsSUlpqbJKtUtY1SMyH2i3FD/H0onhHf8bMqd7MN/04asvbAZrZT1m4PV7 qkcQ== X-Gm-Message-State: AOAM531hByoYEExWFF35n8VbltMKsYJ4fU0LpD+dq/67Rp6wSE7J3AYK q2rSSLZFGVQ/nrEhaHb4VRV2CA== X-Google-Smtp-Source: ABdhPJwI9CIHJjTrJp8o1dVvk1xL2nmHS6/LLekZj9CCrzurcKz6Ml4mujAckFP+yQhb9B6nsg841g== X-Received: by 2002:a17:90b:4f41:b0:1c7:928d:196e with SMTP id pj1-20020a17090b4f4100b001c7928d196emr7527886pjb.47.1649213672121; Tue, 05 Apr 2022 19:54:32 -0700 (PDT) Received: from localhost.swdvt.lab.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id x9-20020a17090a970900b001ca6c59b350sm3395111pjo.2.2022.04.05.19.54.30 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 05 Apr 2022 19:54:31 -0700 (PDT) From: Michael Chan To: davem@davemloft.net Cc: netdev@vger.kernel.org, kuba@kernel.org, gospo@broadcom.com, bpf@vger.kernel.org, john.fastabend@gmail.com, toke@redhat.com, lorenzo@kernel.org, ast@kernel.org, daniel@iogearbox.net, echaudro@redhat.com, pabeni@redhat.com, Michael Chan Subject: [PATCH net-next v3 11/11] bnxt: XDP multibuffer enablement Date: Tue, 5 Apr 2022 22:53:53 -0400 Message-Id: <1649213633-7662-12-git-send-email-michael.chan@broadcom.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1649213633-7662-1-git-send-email-michael.chan@broadcom.com> References: <1649213633-7662-1-git-send-email-michael.chan@broadcom.com> Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="0000000000001d9d5105dbf37b36" Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org --0000000000001d9d5105dbf37b36 From: Andy Gospodarek Allow aggregation buffers to be in place in the receive path and allow XDP programs to be attached when using a larger than 4k MTU. v3: Add a check to sure XDP program supports multipage packets. Signed-off-by: Andy Gospodarek Signed-off-by: Michael Chan --- drivers/net/ethernet/broadcom/bnxt/bnxt.c | 3 +-- drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c | 5 +++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 25d74c9030fd..0489c1c2e7dd 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -1939,8 +1939,7 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, xdp_active = true; } - /* skip running XDP prog if there are aggregation bufs */ - if (!agg_bufs && xdp_active) { + if (xdp_active) { if (bnxt_rx_xdp(bp, rxr, cons, xdp, data, &len, event)) { rc = 1; goto next_rx; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c index c2905f0a8c6c..f02fe906dedb 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c @@ -387,8 +387,9 @@ static int bnxt_xdp_set(struct bnxt *bp, struct bpf_prog *prog) int tx_xdp = 0, rc, tc; struct bpf_prog *old; - if (prog && bp->dev->mtu > BNXT_MAX_PAGE_MODE_MTU) { - netdev_warn(dev, "MTU %d larger than largest XDP supported MTU %d.\n", + if (prog && !prog->aux->xdp_has_frags && + bp->dev->mtu > BNXT_MAX_PAGE_MODE_MTU) { + netdev_warn(dev, "MTU %d larger than %d without XDP frag support.\n", bp->dev->mtu, BNXT_MAX_PAGE_MODE_MTU); return -EOPNOTSUPP; } -- 2.18.1 --0000000000001d9d5105dbf37b36 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIIQbQYJKoZIhvcNAQcCoIIQXjCCEFoCAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwGg gg3EMIIFDTCCA/WgAwIBAgIQeEqpED+lv77edQixNJMdADANBgkqhkiG9w0BAQsFADBMMSAwHgYD VQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMzETMBEGA1UEChMKR2xvYmFsU2lnbjETMBEGA1UE 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