From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 64D3C4366C; Mon, 4 Dec 2023 19:37:28 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id B84274113D; Mon, 4 Dec 2023 19:37:23 +0100 (CET) Received: from mail-pg1-f171.google.com (mail-pg1-f171.google.com [209.85.215.171]) by mails.dpdk.org (Postfix) with ESMTP id 632D0400EF for ; Mon, 4 Dec 2023 19:37:22 +0100 (CET) Received: by mail-pg1-f171.google.com with SMTP id 41be03b00d2f7-5c230c79c0bso1729346a12.1 for ; Mon, 04 Dec 2023 10:37:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1701715041; x=1702319841; darn=dpdk.org; h=mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:from:to:cc:subject:date:message-id:reply-to; bh=sW3bUU3iwzGKxIqBME0K1KjOs/ki9KFjtPytKKaiTKM=; b=DD3spO7BUyjOQExKYETlI7lJKXH9WJWcS2D1QzWtnK025lCmTf2GbSVKhB/Xi8rsbl Z6qB8FoWPuj98VOnTNNr1NMrsy4cSzfpFWsC7PGeTouvnC9iPPogzE4TpkWA/Y/48NqY cF47OmMe/QTPBb071GZP8xnf/SklTsrNNIsEk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701715041; x=1702319841; h=mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=sW3bUU3iwzGKxIqBME0K1KjOs/ki9KFjtPytKKaiTKM=; b=hytlfWYYd4tDabCk+cqSCBESBYkq8t8adPvU6jRhzaDjUEcDYIdDypBFFgtyGBUeYz fs7t3q36LozYePVaV5MSCT8TQKEyaIbSX4Ig6qAWXSGAucERaMsjSwonAwDap03NmW1T /b+M5qMEA6+KQhD0EuCnwVMdYrldGm1A6TfkTOp8lruGRkm4DVIb3USl2VK0xnpiPPgd esuRPPlX6oXb2GWeAkZfdTgEqK3QVXVC0jWn8IiqKLCu0z99OiMrobquPZv4uxAZSzOE BCxUDVC2xUIl1l1IrzYQK8bvpldCeIuQbM6hGTyiJUwsR/ZQVvCHodyH0cJeFdtDn4MP FXww== X-Gm-Message-State: AOJu0YyS1WkgnPv19Nua5NIhAmd8RyiartSrOg4DKsPphQs06lnCLElf Iza4Ix3o8NGifd/LJ54d8zgYtcNHDPtAfbXQ6vVE60NoWazvJI6gTZsGD3FKPsHZTDUbkemubBh h6YdV9vpnez3ds+rdFQGmyx6N2GYa8Y7fP5OQKxhyPNp+1H7jvLGMJAzEX2BUcJ6wp7mo X-Google-Smtp-Source: AGHT+IHQLsko4ChDSi2nmvZf2Dh0h1H7wlNYkGnASfjgv6olOFvFARM/3N9cKkltj59xHTsb55lt+w== X-Received: by 2002:a05:6a20:8408:b0:18f:97c:b9eb with SMTP id c8-20020a056a20840800b0018f097cb9ebmr3079018pzd.69.1701715041062; Mon, 04 Dec 2023 10:37:21 -0800 (PST) Received: from C02GC2QQMD6T.wifi.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id s3-20020a056a00178300b006be5af77f06sm4236664pfg.2.2023.12.04.10.37.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Dec 2023 10:37:20 -0800 (PST) From: Ajit Khaparde To: dev@dpdk.org Cc: Damodharam Ammepalli Subject: [PATCH 01/14] net/bnxt: refactor epoch setting Date: Mon, 4 Dec 2023 10:36:57 -0800 Message-Id: <20231204183710.86921-2-ajit.khaparde@broadcom.com> X-Mailer: git-send-email 2.39.2 (Apple Git-143) In-Reply-To: <20231204183710.86921-1-ajit.khaparde@broadcom.com> References: <20231204183710.86921-1-ajit.khaparde@broadcom.com> MIME-Version: 1.0 Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="0000000000008f2426060bb368b9" X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org --0000000000008f2426060bb368b9 Content-Transfer-Encoding: 8bit Fix epoch bit setting when we ring the doorbell. Epoch bit needs to toggle alreanately from 0 to 1 everytime the ring indices wrap. Currently its value is everything but an alternating 0 and 1. Remove unnecessary field db_epoch_shift from bnxt_db_info structure. Signed-off-by: Ajit Khaparde Reviewed-by: Damodharam Ammepalli --- drivers/net/bnxt/bnxt_cpr.h | 5 ++--- drivers/net/bnxt/bnxt_ring.c | 9 ++------- 2 files changed, 4 insertions(+), 10 deletions(-) diff --git a/drivers/net/bnxt/bnxt_cpr.h b/drivers/net/bnxt/bnxt_cpr.h index 2de154322d..26e81a6a7e 100644 --- a/drivers/net/bnxt/bnxt_cpr.h +++ b/drivers/net/bnxt/bnxt_cpr.h @@ -53,11 +53,10 @@ struct bnxt_db_info { bool db_64; uint32_t db_ring_mask; uint32_t db_epoch_mask; - uint32_t db_epoch_shift; }; -#define DB_EPOCH(db, idx) (((idx) & (db)->db_epoch_mask) << \ - ((db)->db_epoch_shift)) +#define DB_EPOCH(db, idx) (!!((idx) & (db)->db_epoch_mask) << \ + DBR_EPOCH_SFT) #define DB_RING_IDX(db, idx) (((idx) & (db)->db_ring_mask) | \ DB_EPOCH(db, idx)) diff --git a/drivers/net/bnxt/bnxt_ring.c b/drivers/net/bnxt/bnxt_ring.c index 34b2510d54..6dacb1b37f 100644 --- a/drivers/net/bnxt/bnxt_ring.c +++ b/drivers/net/bnxt/bnxt_ring.c @@ -371,9 +371,10 @@ static void bnxt_set_db(struct bnxt *bp, db->db_key64 = DBR_PATH_L2; break; } - if (BNXT_CHIP_SR2(bp)) { + if (BNXT_CHIP_P7(bp)) { db->db_key64 |= DBR_VALID; db_offset = bp->legacy_db_size; + db->db_epoch_mask = ring_mask + 1; } else if (BNXT_VF(bp)) { db_offset = DB_VF_OFFSET; } @@ -397,12 +398,6 @@ static void bnxt_set_db(struct bnxt *bp, db->db_64 = false; } db->db_ring_mask = ring_mask; - - if (BNXT_CHIP_SR2(bp)) { - db->db_epoch_mask = db->db_ring_mask + 1; - db->db_epoch_shift = DBR_EPOCH_SFT - - rte_log2_u32(db->db_epoch_mask); - } } static int bnxt_alloc_cmpl_ring(struct bnxt *bp, int queue_index, -- 2.39.2 (Apple Git-143) --0000000000008f2426060bb368b9 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIIQdgYJKoZIhvcNAQcCoIIQZzCCEGMCAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwGg gg3NMIIFDTCCA/WgAwIBAgIQeEqpED+lv77edQixNJMdADANBgkqhkiG9w0BAQsFADBMMSAwHgYD 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