From nobody Wed Apr 8 02:49:45 2026 Received: from mail-pj1-f48.google.com (mail-pj1-f48.google.com [209.85.216.48]) (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 7D63237F015 for ; Tue, 7 Apr 2026 22:03:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.48 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775599410; cv=none; b=rp7zuIQ6PY/aTRbXA41eJBkbimQ4Mme+MVTPl7HEx5DxWZWu/wmLaTNcTxR2FA01bbKY75Nyrpqsvv39qBOoBe1DsHGlSKLhryq2nFoKLDQdESBhpnn175qKmXChRx6mYBp6j0mLlvIF1SPWxwRsL43Mvt6Rd3/sKGAY/GHO5j0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775599410; c=relaxed/simple; bh=QNzOKPdiy8cSJfr1mCdxlpDpX0PCIjFpk/12ymL9Mjs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=UNuec7hxDLdo6cAWI32lrppwehz9U0oMSY6jiArTnX4YYgsHSbaCOD9uBfetlokvzpQLabql2Eelge60n5xm1fR1zTDwgGzmLXSO69a0/iQF777PxiGv9SbchTXi0m2rZp8kEz1TyAotaSymyIPvGXXCnX0KiqIvziAkV/b6LEw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=dama.to; spf=none smtp.mailfrom=dama.to; dkim=pass (2048-bit key) header.d=dama-to.20251104.gappssmtp.com header.i=@dama-to.20251104.gappssmtp.com header.b=bRkpStui; arc=none smtp.client-ip=209.85.216.48 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=dama.to Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=dama.to Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=dama-to.20251104.gappssmtp.com header.i=@dama-to.20251104.gappssmtp.com header.b="bRkpStui" Received: by mail-pj1-f48.google.com with SMTP id 98e67ed59e1d1-35d94f4ee36so3186410a91.3 for ; Tue, 07 Apr 2026 15:03:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dama-to.20251104.gappssmtp.com; s=20251104; t=1775599409; x=1776204209; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=zg+/QcI8r5Qwsw6nUEc3qwhDPUQV4lyYXGZbebKcjco=; b=bRkpStuipj5keikD7FmBOUNoW0RhKV9wJBw8DwrMcsi7keymgVLWC9ctbOyekjGTYs DWERBBDaXxoPokE+3H1RurOHsdnGN/hTb6k3wIozIU/wol9DI81TiuX+JLtHLGlXRCBs K5oNz9YMLTCXIic2TchL3G24eenLQY7rAz7k6vkNl4CdN4gWMY84kv487pzC1uH0ZefQ Oy1wBkT85NvW7G2AtK6yYKa5oPvYiy4enA8SjK5YMUM1/MJUcZ1XBGjH+M8k4x9w2T30 YdU7ON0HQyA2NlOsPozFcrjlDYOnmB5occam7Oe32chdo6G8nFtZEzAQYQtSA0akG9om M90w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775599409; x=1776204209; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=zg+/QcI8r5Qwsw6nUEc3qwhDPUQV4lyYXGZbebKcjco=; b=syQKgVPJgudvZB6IpcdXyH8x9xoXmnSsSSuk88XOZS3tCINjbYaNcAaLJcZ4x+v1RF DMb7EwHaZpB/ILuQvba1brWsjR3gbVRbsa8uJonBSWNHD1g5VMjwsDJYWgRTA92IEsHD kboq9Z0y25mymp9Z56sGxKG3cfeSYspKyIYBdhimbmH2k8zDol3pgNTnfmQX0UHkM6yO nbmfu3KkkSWCtFLufTSymCyw9hrG0d3Dwzi48YrndhgpX9MB4LzSAbR9jhL4p/GhClHs xmIhM5j7BCUXucHzZl2avJIlY4ZQ15gB5GXL43t2zmzH5r7s9Gr4uELv/dDgTf50N5pA JAfg== X-Forwarded-Encrypted: i=1; AJvYcCVMncnYJ9CveSYEnoWU50YiidWSjQZAMM6dH7UmmZNd0184YjKbpQ1QJz4Pf0P6HTR+Xpsxm8u8wXn3Hts=@vger.kernel.org X-Gm-Message-State: AOJu0YwcaEwQBo97K8EdgcpYTx21taKmhpXA/2wp3y1K+MWfmNVsXvkc sVoqti2xGbX2eQ70YKNwJvk5DZ1iG6v1FAqgApOIdw1Q3ZxEf1dqeRi7zLaVFzLqS+4= X-Gm-Gg: AeBDiev0H5ghZk7P/Ne75q+pZZjvp8EJCAkvhs5kUyTd6jNqiSPj98VGYz1OLCVDRBH qI4TmbT69FBRElAmJAgcdSIq+2BVB9/3HExXIxa2BQvCRJcTKPneom+BYOTV4sHsh7ojjTgnNmO oahLtRTnqhtTL1hF+YyGQvVvbGC9VUTvQaS+BPvP8/isMgfpYHwAk8xmmo4YM6v8GQ4pxXMxWi4 Qz6Mdx7Hy40S6vhCwRrTec8rjEgD6/sCjzojDASLbMz9PykdhMGGcT3frTILd04zTTbPcBToe2B nwzVsV7aKC6ZSu7taocB5s9Qt2Q1LP1Jkd7SLOEuHykt3SuIHrRgyqevIYSqYL5MNgRfT54SkpD PaFTZcbCo5algtA8eM7KVyET7FV048j6diaIkMJ3PrsvV+7BRw/0CZREhPvkGIsyKKoliu/oO66 mk8TqW X-Received: by 2002:a17:903:fa6:b0:2b0:673a:7c90 with SMTP id d9443c01a7336-2b28176a3dbmr200029855ad.28.1775599408982; Tue, 07 Apr 2026 15:03:28 -0700 (PDT) Received: from localhost ([2a03:2880:2ff:44::]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b27473583dsm182385395ad.9.2026.04.07.15.03.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Apr 2026 15:03:28 -0700 (PDT) From: Joe Damato To: netdev@vger.kernel.org, Michael Chan , Pavan Chebbi , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: horms@kernel.org, linux-kernel@vger.kernel.org, leon@kernel.org, Joe Damato Subject: [net-next v9 03/10] net: bnxt: Add a helper for tx_bd_ext Date: Tue, 7 Apr 2026 15:02:59 -0700 Message-ID: <20260407220313.3990909-4-joe@dama.to> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260407220313.3990909-1-joe@dama.to> References: <20260407220313.3990909-1-joe@dama.to> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Factor out some code to setup tx_bd_exts into a helper function. This helper will be used by SW USO implementation in the following commits. Suggested-by: Jakub Kicinski Reviewed-by: Pavan Chebbi Signed-off-by: Joe Damato --- v4: - Added Pavan's Reviewed-by tag. No functional changes. drivers/net/ethernet/broadcom/bnxt/bnxt.c | 9 ++------- drivers/net/ethernet/broadcom/bnxt/bnxt.h | 18 ++++++++++++++++++ 2 files changed, 20 insertions(+), 7 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethern= et/broadcom/bnxt/bnxt.c index d4288c458576..d1f0969b781c 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -663,10 +663,9 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb= , struct net_device *dev) txbd->tx_bd_opaque =3D SET_TX_OPAQUE(bp, txr, prod, 2 + last_frag); =20 prod =3D NEXT_TX(prod); - txbd1 =3D (struct tx_bd_ext *) - &txr->tx_desc_ring[TX_RING(bp, prod)][TX_IDX(prod)]; + txbd1 =3D bnxt_init_ext_bd(bp, txr, prod, lflags, vlan_tag_flags, + cfa_action); =20 - txbd1->tx_bd_hsize_lflags =3D lflags; if (skb_is_gso(skb)) { bool udp_gso =3D !!(skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4); u32 hdr_len; @@ -693,7 +692,6 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb,= struct net_device *dev) } else if (skb->ip_summed =3D=3D CHECKSUM_PARTIAL) { txbd1->tx_bd_hsize_lflags |=3D cpu_to_le32(TX_BD_FLAGS_TCP_UDP_CHKSUM); - txbd1->tx_bd_mss =3D 0; } =20 length >>=3D 9; @@ -706,9 +704,6 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb,= struct net_device *dev) flags |=3D bnxt_lhint_arr[length]; txbd->tx_bd_len_flags_type =3D cpu_to_le32(flags); =20 - txbd1->tx_bd_cfa_meta =3D cpu_to_le32(vlan_tag_flags); - txbd1->tx_bd_cfa_action =3D - cpu_to_le32(cfa_action << TX_BD_CFA_ACTION_SHIFT); txbd0 =3D txbd; for (i =3D 0; i < last_frag; i++) { frag =3D &skb_shinfo(skb)->frags[i]; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethern= et/broadcom/bnxt/bnxt.h index 2b40a5bd57af..83b4136ccd31 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -2836,6 +2836,24 @@ static inline u32 bnxt_tx_avail(struct bnxt *bp, return bp->tx_ring_size - (used & bp->tx_ring_mask); } =20 +static inline struct tx_bd_ext * +bnxt_init_ext_bd(struct bnxt *bp, struct bnxt_tx_ring_info *txr, + u16 prod, __le32 lflags, u32 vlan_tag_flags, + u32 cfa_action) +{ + struct tx_bd_ext *txbd1; + + txbd1 =3D (struct tx_bd_ext *) + &txr->tx_desc_ring[TX_RING(bp, prod)][TX_IDX(prod)]; + txbd1->tx_bd_hsize_lflags =3D lflags; + txbd1->tx_bd_mss =3D 0; + txbd1->tx_bd_cfa_meta =3D cpu_to_le32(vlan_tag_flags); + txbd1->tx_bd_cfa_action =3D + cpu_to_le32(cfa_action << TX_BD_CFA_ACTION_SHIFT); + + return txbd1; +} + static inline void bnxt_writeq(struct bnxt *bp, u64 val, volatile void __iomem *addr) { --=20 2.52.0