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 X-Spam-Level: X-Spam-Status: No, score=-18.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,MIME_HEADER_CTYPE_ONLY, SPF_HELO_NONE,SPF_PASS,T_TVD_MIME_NO_HEADERS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8FFC2C433B4 for ; Sun, 25 Apr 2021 17:45:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7408B60FEF for ; Sun, 25 Apr 2021 17:45:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231259AbhDYRqh (ORCPT ); Sun, 25 Apr 2021 13:46:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55934 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231176AbhDYRqe (ORCPT ); Sun, 25 Apr 2021 13:46:34 -0400 Received: from mail-pg1-x535.google.com (mail-pg1-x535.google.com [IPv6:2607:f8b0:4864:20::535]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DC035C061343 for ; Sun, 25 Apr 2021 10:45:53 -0700 (PDT) Received: by mail-pg1-x535.google.com with SMTP id f29so1472782pgm.8 for ; Sun, 25 Apr 2021 10:45:53 -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=O0DgEQgiV9uHjNOx+zVysSmGekJkEFhquaqvVj8e8VQ=; b=SCq9UC4Z6m63f9Q5hQnlKkdlXl7CAEONxOX319PaqYcLCmKOSmXEBn4deFHlX0FD3h 0h7GwB3l/05G6DgLRgfJmkqhntRfE8IQuqudKr2PYErJW0I/3yZl460glps7Sb9VGi/a uJc9eJkuiCVIHn/Zhrskp+E8otzmBFi6zI8NM= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=O0DgEQgiV9uHjNOx+zVysSmGekJkEFhquaqvVj8e8VQ=; b=Yy1UjVdTeFdzMiw3JUTTld9f0S55Q8zm5oKGRgKJzF/ID4JgHE5dPTnF5M95T6N51H umSBH9IzLLOuXj2D9aK8WREb+P0xEi/tz7ah2We0lgzzhPSQ/hbdK287OlPNlvuO5PMm 1QZrEZmtI7tmiRZyvpm02bG3gKh/qLxoibDnFWvRzieegsMTxsmdQk7mtnLZ/9vNRfdH QPOTUVlV4LftzQJmXG4NYYNpbay22lAMtP8wrfEur12ItdJmaEdk1HkfVhnxph0icLme LYiSHoS/SEVINnGwqJOl1ZpjV1AQYezhscsNlQfwAOtmsMvVamuYLV+dqIpo08yNE3YN g/Jg== X-Gm-Message-State: AOAM533xZMSSQf6KF/I+lR7fcAHuOqDjXR4S1XE9y+GJlSlVer3IASo5 no9rylZ9wRsuvsFSaJwQ7bLtkQ== X-Google-Smtp-Source: ABdhPJycaaVUzGbFlN9Gn245ajKa1TqBPe6GvXp+Vz+D8yKGRwl+PlkMYkWCKfNA+Rfmt7VCqLZ3Rw== X-Received: by 2002:a63:b915:: with SMTP id z21mr13166021pge.424.1619372752939; Sun, 25 Apr 2021 10:45:52 -0700 (PDT) Received: from localhost.swdvt.lab.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id t19sm14733553pjs.1.2021.04.25.10.45.52 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 25 Apr 2021 10:45:52 -0700 (PDT) From: Michael Chan To: davem@davemloft.net Cc: netdev@vger.kernel.org, kuba@kernel.org, gospo@broadcom.com Subject: [PATCH net-next v2 09/10] bnxt_en: Support IFF_SUPP_NOFCS feature to transmit without ethernet FCS. Date: Sun, 25 Apr 2021 13:45:26 -0400 Message-Id: <1619372727-19187-10-git-send-email-michael.chan@broadcom.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1619372727-19187-1-git-send-email-michael.chan@broadcom.com> References: <1619372727-19187-1-git-send-email-michael.chan@broadcom.com> Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="000000000000bd97ed05c0cf9944" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org --000000000000bd97ed05c0cf9944 If firmware is capable, set the IFF_SUPP_NOFCS flag to support the sockets option to transmit packets without FCS. This is mainly used for testing. Reviewed-by: Edwin Peer --- drivers/net/ethernet/broadcom/bnxt/bnxt.c | 16 +++++++++++++--- drivers/net/ethernet/broadcom/bnxt/bnxt.h | 1 + 2 files changed, 14 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 77ebafbd2dce..53db073b457c 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -375,6 +375,7 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev) struct pci_dev *pdev = bp->pdev; struct bnxt_tx_ring_info *txr; struct bnxt_sw_tx_bd *tx_buf; + __le32 lflags = 0; i = skb_get_queue_mapping(skb); if (unlikely(i >= bp->tx_nr_rings)) { @@ -416,6 +417,11 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev) vlan_tag_flags |= 1 << TX_BD_CFA_META_TPID_SHIFT; } + if (unlikely(skb->no_fcs)) { + lflags |= cpu_to_le32(TX_BD_FLAGS_NO_CRC); + goto normal_tx; + } + if (free_size == bp->tx_ring_size && length <= bp->tx_push_thresh) { struct tx_push_buffer *tx_push_buf = txr->tx_push; struct tx_push_bd *tx_push = &tx_push_buf->push_bd; @@ -517,7 +523,7 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev) txbd1 = (struct tx_bd_ext *) &txr->tx_desc_ring[TX_RING(prod)][TX_IDX(prod)]; - txbd1->tx_bd_hsize_lflags = 0; + txbd1->tx_bd_hsize_lflags = lflags; if (skb_is_gso(skb)) { u32 hdr_len; @@ -529,14 +535,14 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev) hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); - txbd1->tx_bd_hsize_lflags = cpu_to_le32(TX_BD_FLAGS_LSO | + txbd1->tx_bd_hsize_lflags |= cpu_to_le32(TX_BD_FLAGS_LSO | TX_BD_FLAGS_T_IPID | (hdr_len << (TX_BD_HSIZE_SHIFT - 1))); length = skb_shinfo(skb)->gso_size; txbd1->tx_bd_mss = cpu_to_le32(length); length += hdr_len; } else if (skb->ip_summed == CHECKSUM_PARTIAL) { - txbd1->tx_bd_hsize_lflags = + txbd1->tx_bd_hsize_lflags |= cpu_to_le32(TX_BD_FLAGS_TCP_UDP_CHKSUM); txbd1->tx_bd_mss = 0; } @@ -12460,6 +12466,10 @@ static int bnxt_probe_phy(struct bnxt *bp, bool fw_dflt) rc); return rc; } + if (bp->phy_flags & BNXT_PHY_FL_NO_FCS) + bp->dev->priv_flags |= IFF_SUPP_NOFCS; + else + bp->dev->priv_flags &= ~IFF_SUPP_NOFCS; if (!fw_dflt) return 0; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 5835d8ca8c22..a3744247740b 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -2015,6 +2015,7 @@ struct bnxt { #define BNXT_PHY_FL_PORT_STATS_NO_RESET PORT_PHY_QCAPS_RESP_FLAGS_CUMULATIVE_COUNTERS_ON_RESET #define BNXT_PHY_FL_NO_PHY_LPBK PORT_PHY_QCAPS_RESP_FLAGS_LOCAL_LPBK_NOT_SUPPORTED #define BNXT_PHY_FL_FW_MANAGED_LKDN PORT_PHY_QCAPS_RESP_FLAGS_FW_MANAGED_LINK_DOWN +#define BNXT_PHY_FL_NO_FCS PORT_PHY_QCAPS_RESP_FLAGS_NO_FCS u8 num_tests; struct bnxt_test_info *test_info; -- 2.18.1 --000000000000bd97ed05c0cf9944 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 AxMKR2xvYmFsU2lnbjAeFw0yMDA5MTYwMDAwMDBaFw0yODA5MTYwMDAwMDBaMFsxCzAJBgNVBAYT AkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMTEwLwYDVQQDEyhHbG9iYWxTaWduIEdDQyBS MyBQZXJzb25hbFNpZ24gMiBDQSAyMDIwMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA vbCmXCcsbZ/a0fRIQMBxp4gJnnyeneFYpEtNydrZZ+GeKSMdHiDgXD1UnRSIudKo+moQ6YlCOu4t rVWO/EiXfYnK7zeop26ry1RpKtogB7/O115zultAz64ydQYLe+a1e/czkALg3sgTcOOcFZTXk38e aqsXsipoX1vsNurqPtnC27TWsA7pk4uKXscFjkeUE8JZu9BDKaswZygxBOPBQBwrA5+20Wxlk6k1 e6EKaaNaNZUy30q3ArEf30ZDpXyfCtiXnupjSK8WU2cK4qsEtj09JS4+mhi0CTCrCnXAzum3tgcH cHRg0prcSzzEUDQWoFxyuqwiwhHu3sPQNmFOMwIDAQABo4IB2jCCAdYwDgYDVR0PAQH/BAQDAgGG MGAGA1UdJQRZMFcGCCsGAQUFBwMCBggrBgEFBQcDBAYKKwYBBAGCNxQCAgYKKwYBBAGCNwoDBAYJ KwYBBAGCNxUGBgorBgEEAYI3CgMMBggrBgEFBQcDBwYIKwYBBQUHAxEwEgYDVR0TAQH/BAgwBgEB /wIBADAdBgNVHQ4EFgQUljPR5lgXWzR1ioFWZNW+SN6hj88wHwYDVR0jBBgwFoAUj/BLf6guRSSu TVD6Y5qL3uLdG7wwegYIKwYBBQUHAQEEbjBsMC0GCCsGAQUFBzABhiFodHRwOi8vb2NzcC5nbG9i YWxzaWduLmNvbS9yb290cjMwOwYIKwYBBQUHMAKGL2h0dHA6Ly9zZWN1cmUuZ2xvYmFsc2lnbi5j b20vY2FjZXJ0L3Jvb3QtcjMuY3J0MDYGA1UdHwQvMC0wK6ApoCeGJWh0dHA6Ly9jcmwuZ2xvYmFs c2lnbi5jb20vcm9vdC1yMy5jcmwwWgYDVR0gBFMwUTALBgkrBgEEAaAyASgwQgYKKwYBBAGgMgEo CjA0MDIGCCsGAQUFBwIBFiZodHRwczovL3d3dy5nbG9iYWxzaWduLmNvbS9yZXBvc2l0b3J5LzAN BgkqhkiG9w0BAQsFAAOCAQEAdAXk/XCnDeAOd9nNEUvWPxblOQ/5o/q6OIeTYvoEvUUi2qHUOtbf jBGdTptFsXXe4RgjVF9b6DuizgYfy+cILmvi5hfk3Iq8MAZsgtW+A/otQsJvK2wRatLE61RbzkX8 9/OXEZ1zT7t/q2RiJqzpvV8NChxIj+P7WTtepPm9AIj0Keue+gS2qvzAZAY34ZZeRHgA7g5O4TPJ /oTd+4rgiU++wLDlcZYd/slFkaT3xg4qWDepEMjT4T1qFOQIL+ijUArYS4owpPg9NISTKa1qqKWJ jFoyms0d0GwOniIIbBvhI2MJ7BSY9MYtWVT5jJO3tsVHwj4cp92CSFuGwunFMzCCA18wggJHoAMC AQICCwQAAAAAASFYUwiiMA0GCSqGSIb3DQEBCwUAMEwxIDAeBgNVBAsTF0dsb2JhbFNpZ24gUm9v dCBDQSAtIFIzMRMwEQYDVQQKEwpHbG9iYWxTaWduMRMwEQYDVQQDEwpHbG9iYWxTaWduMB4XDTA5 MDMxODEwMDAwMFoXDTI5MDMxODEwMDAwMFowTDEgMB4GA1UECxMXR2xvYmFsU2lnbiBSb290IENB IC0gUjMxEzARBgNVBAoTCkdsb2JhbFNpZ24xEzARBgNVBAMTCkdsb2JhbFNpZ24wggEiMA0GCSqG SIb3DQEBAQUAA4IBDwAwggEKAoIBAQDMJXaQeQZ4Ihb1wIO2hMoonv0FdhHFrYhy/EYCQ8eyip0E XyTLLkvhYIJG4VKrDIFHcGzdZNHr9SyjD4I9DCuul9e2FIYQebs7E4B3jAjhSdJqYi8fXvqWaN+J J5U4nwbXPsnLJlkNc96wyOkmDoMVxu9bi9IEYMpJpij2aTv2y8gokeWdimFXN6x0FNx04Druci8u nPvQu7/1PQDhBjPogiuuU6Y6FnOM3UEOIDrAtKeh6bJPkC4yYOlXy7kEkmho5TgmYHWyn3f/kRTv riBJ/K1AFUjRAjFhGV64l++td7dkmnq/X8ET75ti+w1s4FRpFqkD2m7pg5NxdsZphYIXAgMBAAGj QjBAMA4GA1UdDwEB/wQEAwIBBjAPBgNVHRMBAf8EBTADAQH/MB0GA1UdDgQWBBSP8Et/qC5FJK5N UPpjmove4t0bvDANBgkqhkiG9w0BAQsFAAOCAQEAS0DbwFCq/sgM7/eWVEVJu5YACUGssxOGhigH M8pr5nS5ugAtrqQK0/Xx8Q+Kv3NnSoPHRHt44K9ubG8DKY4zOUXDjuS5V2yq/BKW7FPGLeQkbLmU Y/vcU2hnVj6DuM81IcPJaP7O2sJTqsyQiunwXUaMld16WCgaLx3ezQA3QY/tRG3XUyiXfvNnBB4V 14qWtNPeTCekTBtzc3b0F5nCH3oO4y0IrQocLP88q1UOD5F+NuvDV0m+4S4tfGCLw0FREyOdzvcy a5QBqJnnLDMfOjsl0oZAzjsshnjJYS8Uuu7bVW/fhO4FCU29KNhyztNiUGUe65KXgzHZs7XKR1g/ XzCCBUwwggQ0oAMCAQICDBB5T5jqFt6c/NEwmzANBgkqhkiG9w0BAQsFADBbMQswCQYDVQQGEwJC RTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1zYTExMC8GA1UEAxMoR2xvYmFsU2lnbiBHQ0MgUjMg UGVyc29uYWxTaWduIDIgQ0EgMjAyMDAeFw0yMTAyMjIxNDE0MTRaFw0yMjA5MjIxNDQzNDhaMIGO MQswCQYDVQQGEwJJTjESMBAGA1UECBMJS2FybmF0YWthMRIwEAYDVQQHEwlCYW5nYWxvcmUxFjAU BgNVBAoTDUJyb2FkY29tIEluYy4xFTATBgNVBAMTDE1pY2hhZWwgQ2hhbjEoMCYGCSqGSIb3DQEJ ARYZbWljaGFlbC5jaGFuQGJyb2FkY29tLmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC ggEBANtwBQrLJBrTcbQ1kmjdo+NJT2hFaBFsw1IOi34uVzWz21AZUqQkNVktkT740rYuB1m1No7W EBvfLuKxbgQO2pHk9mTUiTHsrX2CHIw835Du8Co2jEuIqAsocz53NwYmk4Sj0/HqAfxgtHEleK2l CR56TX8FjvCKYDsIsXIjMzm3M7apx8CQWT6DxwfrDBu607V6LkfuHp2/BZM2GvIiWqy2soKnUqjx xV4Em+0wQoEIR2kPG6yiZNtUK0tNCaZejYU/Mf/bzdKSwud3pLgHV8ls83y2OU/ha9xgJMLpRswv xucFCxMsPmk0yoVmpbr92kIpLm+TomNZsL++LcDRa2ECAwEAAaOCAdowggHWMA4GA1UdDwEB/wQE AwIFoDCBowYIKwYBBQUHAQEEgZYwgZMwTgYIKwYBBQUHMAKGQmh0dHA6Ly9zZWN1cmUuZ2xvYmFs c2lnbi5jb20vY2FjZXJ0L2dzZ2NjcjNwZXJzb25hbHNpZ24yY2EyMDIwLmNydDBBBggrBgEFBQcw AYY1aHR0cDovL29jc3AuZ2xvYmFsc2lnbi5jb20vZ3NnY2NyM3BlcnNvbmFsc2lnbjJjYTIwMjAw TQYDVR0gBEYwRDBCBgorBgEEAaAyASgKMDQwMgYIKwYBBQUHAgEWJmh0dHBzOi8vd3d3Lmdsb2Jh bHNpZ24uY29tL3JlcG9zaXRvcnkvMAkGA1UdEwQCMAAwSQYDVR0fBEIwQDA+oDygOoY4aHR0cDov L2NybC5nbG9iYWxzaWduLmNvbS9nc2djY3IzcGVyc29uYWxzaWduMmNhMjAyMC5jcmwwJAYDVR0R BB0wG4EZbWljaGFlbC5jaGFuQGJyb2FkY29tLmNvbTATBgNVHSUEDDAKBggrBgEFBQcDBDAfBgNV HSMEGDAWgBSWM9HmWBdbNHWKgVZk1b5I3qGPzzAdBgNVHQ4EFgQUz2bMvqtXpXM0u3vAvRkalz60 CjswDQYJKoZIhvcNAQELBQADggEBAGUgeqqI/q2pkETeLr6oS7nnm1bkeNmtnJ2bnybNO/RdrbPj DHVSiDCCrWr6xrc+q6OiZDKm0Ieq6BN+Wfr8h5mCkZMUdJikI85WcQTRk6EEF2lzIiaULmFD7U15 FSWQptLx+kiu63idTII4r3k/7+dJ5AhLRr4WCoXEme2GZkfSbYC3fEL46tb1w7w+25OEFCv1MtDZ 1CHkODrS2JGwDQxXKmyF64MhJiOutWHmqoGmLJVz1jnDvClsYtgT4zcNtoqKtjpWDYAefncWDPIQ DauX1eWVM+KepL7zoSNzVbTipc65WuZFLR8ngOwkpknqvS9n/nKd885m23oIocC+GA4xggJtMIIC aQIBATBrMFsxCzAJBgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMTEwLwYDVQQD EyhHbG9iYWxTaWduIEdDQyBSMyBQZXJzb25hbFNpZ24gMiBDQSAyMDIwAgwQeU+Y6hbenPzRMJsw DQYJYIZIAWUDBAIBBQCggdQwLwYJKoZIhvcNAQkEMSIEIDoh0LEpClfeQ9cUDRhGiqeBsGL+C7Le SOn1f4N85HEHMBgGCSqGSIb3DQEJAzELBgkqhkiG9w0BBwEwHAYJKoZIhvcNAQkFMQ8XDTIxMDQy NTE3NDU1M1owaQYJKoZIhvcNAQkPMVwwWjALBglghkgBZQMEASowCwYJYIZIAWUDBAEWMAsGCWCG SAFlAwQBAjAKBggqhkiG9w0DBzALBgkqhkiG9w0BAQowCwYJKoZIhvcNAQEHMAsGCWCGSAFlAwQC ATANBgkqhkiG9w0BAQEFAASCAQAY2wtW/yWPwJDxnIIbrQ/w+bSe8BcOArkR5yhbRi1ZBNHwPolC LohVlG2Pzop9P5vyfgCeBSn36c7D5Dxb+3Mh7PNXuzRSuGafsgAIhSZgax5ql3E6HKyfIRS3y9il aICF1CLajmozgbHyg+Os+Ldnk++MRAtaUKKfmdE6M8KpLTYoQ6+0suctqN3ZGnkYeOkas33ABKOY x4EZeJOMbynNK8yfwS66DSvGwuttTi3tPxM8pQkXMKeRpyfrfH6qNXbDIpGr8sA1B3Fi1mcMkXBP /7171wA2LCDXN2tYZKo4fL4eJpVgi1XF18RF4yNjw5RVZasDD7G8xQqzKtFfjTNV --000000000000bd97ed05c0cf9944--