From patchwork Wed Sep 27 07:51:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Larysa Zaremba X-Patchwork-Id: 13400290 X-Patchwork-Delegate: bpf@iogearbox.net Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6B0C01CA98; Wed, 27 Sep 2023 07:57:51 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.126]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 119C8BF; Wed, 27 Sep 2023 00:57:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1695801470; x=1727337470; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=2FRMK0rcSTjl5MyP0ZAPpiU4rt//l/h/7xOJgJhPnrc=; b=fKFUxX0jtijmFX+KowCgktvjfoG75TTTRduE0y0MS5GRWZ0yM5wzeMUx Xy1F1RNF7Bf7k5wBNyIkHvJwiZLqtM5iMmfLP7utvRJs/0oWV7F6Yo755 H0c3wqhWVj2wRb1q0BvYBXTWfh5swASxpWiIxtPxfc7MinoksydVQHgCF GwpppF6eJp5twjifIhTtXs8wR42rg2Y377efdKxbw691RerEHpSGbQzyb 3miM8fjcwZbJe9vCAhIyzK+8S9pXx3oHAQnc6HV1H+D/l1o3S7AyOKsXr Xhv/qdeAXMXRCTQEdUXmVprUlaRClbUWmUggJzLAcTxSUYSHNaC9RPqBE A==; X-IronPort-AV: E=McAfee;i="6600,9927,10845"; a="366817911" X-IronPort-AV: E=Sophos;i="6.03,179,1694761200"; d="scan'208";a="366817911" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Sep 2023 00:57:49 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10845"; a="1080039538" X-IronPort-AV: E=Sophos;i="6.03,179,1694761200"; d="scan'208";a="1080039538" Received: from irvmail002.ir.intel.com ([10.43.11.120]) by fmsmga005.fm.intel.com with ESMTP; 27 Sep 2023 00:57:42 -0700 Received: from lincoln.igk.intel.com (lincoln.igk.intel.com [10.102.21.235]) by irvmail002.ir.intel.com (Postfix) with ESMTP id 88F587EAC2; Wed, 27 Sep 2023 08:57:40 +0100 (IST) From: Larysa Zaremba To: bpf@vger.kernel.org Cc: Larysa Zaremba , ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev, song@kernel.org, yhs@fb.com, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@google.com, haoluo@google.com, jolsa@kernel.org, David Ahern , Jakub Kicinski , Willem de Bruijn , Jesper Dangaard Brouer , Anatoly Burakov , Alexander Lobakin , Magnus Karlsson , Maryam Tahhan , xdp-hints@xdp-project.net, netdev@vger.kernel.org, Willem de Bruijn , Alexei Starovoitov , Simon Horman , Tariq Toukan , Saeed Mahameed , Maciej Fijalkowski Subject: [RFC bpf-next v2 04/24] ice: Make ptype internal to descriptor info processing Date: Wed, 27 Sep 2023 09:51:04 +0200 Message-ID: <20230927075124.23941-5-larysa.zaremba@intel.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230927075124.23941-1-larysa.zaremba@intel.com> References: <20230927075124.23941-1-larysa.zaremba@intel.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE, SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net X-Patchwork-Delegate: bpf@iogearbox.net X-Patchwork-State: RFC Currently, rx_ptype variable is used only as an argument to ice_process_skb_fields() and is computed just before the function call. Therefore, there is no reason to pass this value as an argument. Instead, remove this argument and compute the value directly inside ice_process_skb_fields() function. Also, separate its calculation into a short function, so the code can later be reused in .xmo_() callbacks. Reviewed-by: Maciej Fijalkowski Signed-off-by: Larysa Zaremba --- drivers/net/ethernet/intel/ice/ice_txrx.c | 6 +----- drivers/net/ethernet/intel/ice/ice_txrx_lib.c | 15 +++++++++++++-- drivers/net/ethernet/intel/ice/ice_txrx_lib.h | 2 +- drivers/net/ethernet/intel/ice/ice_xsk.c | 6 +----- 4 files changed, 16 insertions(+), 13 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c b/drivers/net/ethernet/intel/ice/ice_txrx.c index 52d0a126eb61..40f2f6dabb81 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx.c +++ b/drivers/net/ethernet/intel/ice/ice_txrx.c @@ -1181,7 +1181,6 @@ int ice_clean_rx_irq(struct ice_rx_ring *rx_ring, int budget) unsigned int size; u16 stat_err_bits; u16 vlan_tag = 0; - u16 rx_ptype; /* get the Rx desc from Rx ring based on 'next_to_clean' */ rx_desc = ICE_RX_DESC(rx_ring, ntc); @@ -1286,10 +1285,7 @@ int ice_clean_rx_irq(struct ice_rx_ring *rx_ring, int budget) total_rx_bytes += skb->len; /* populate checksum, VLAN, and protocol */ - rx_ptype = le16_to_cpu(rx_desc->wb.ptype_flex_flags0) & - ICE_RX_FLEX_DESC_PTYPE_M; - - ice_process_skb_fields(rx_ring, rx_desc, skb, rx_ptype); + ice_process_skb_fields(rx_ring, rx_desc, skb); ice_trace(clean_rx_irq_indicate, rx_ring, rx_desc, skb); /* send completed skb up the stack */ diff --git a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c index 88962d458d02..9df88b4cabf6 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c @@ -229,12 +229,21 @@ ice_ptp_rx_hwts_to_skb(struct ice_rx_ring *rx_ring, }; } +/** + * ice_get_ptype - Read HW packet type from the descriptor + * @rx_desc: RX descriptor + */ +static u16 ice_get_ptype(const union ice_32b_rx_flex_desc *rx_desc) +{ + return le16_to_cpu(rx_desc->wb.ptype_flex_flags0) & + ICE_RX_FLEX_DESC_PTYPE_M; +} + /** * ice_process_skb_fields - Populate skb header fields from Rx descriptor * @rx_ring: Rx descriptor ring packet is being transacted on * @rx_desc: pointer to the EOP Rx descriptor * @skb: pointer to current skb being populated - * @ptype: the packet type decoded by hardware * * This function checks the ring, descriptor, and packet information in * order to populate the hash, checksum, VLAN, protocol, and @@ -243,8 +252,10 @@ ice_ptp_rx_hwts_to_skb(struct ice_rx_ring *rx_ring, void ice_process_skb_fields(struct ice_rx_ring *rx_ring, union ice_32b_rx_flex_desc *rx_desc, - struct sk_buff *skb, u16 ptype) + struct sk_buff *skb) { + u16 ptype = ice_get_ptype(rx_desc); + ice_rx_hash_to_skb(rx_ring, rx_desc, skb, ptype); /* modifies the skb - consumes the enet header */ diff --git a/drivers/net/ethernet/intel/ice/ice_txrx_lib.h b/drivers/net/ethernet/intel/ice/ice_txrx_lib.h index 115969ecdf7b..e1d49e1235b3 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx_lib.h +++ b/drivers/net/ethernet/intel/ice/ice_txrx_lib.h @@ -148,7 +148,7 @@ void ice_release_rx_desc(struct ice_rx_ring *rx_ring, u16 val); void ice_process_skb_fields(struct ice_rx_ring *rx_ring, union ice_32b_rx_flex_desc *rx_desc, - struct sk_buff *skb, u16 ptype); + struct sk_buff *skb); void ice_receive_skb(struct ice_rx_ring *rx_ring, struct sk_buff *skb, u16 vlan_tag); #endif /* !_ICE_TXRX_LIB_H_ */ diff --git a/drivers/net/ethernet/intel/ice/ice_xsk.c b/drivers/net/ethernet/intel/ice/ice_xsk.c index 2a3f0834e139..ef778b8e6d1b 100644 --- a/drivers/net/ethernet/intel/ice/ice_xsk.c +++ b/drivers/net/ethernet/intel/ice/ice_xsk.c @@ -870,7 +870,6 @@ int ice_clean_rx_irq_zc(struct ice_rx_ring *rx_ring, int budget) struct sk_buff *skb; u16 stat_err_bits; u16 vlan_tag = 0; - u16 rx_ptype; rx_desc = ICE_RX_DESC(rx_ring, ntc); @@ -950,10 +949,7 @@ int ice_clean_rx_irq_zc(struct ice_rx_ring *rx_ring, int budget) vlan_tag = ice_get_vlan_tag_from_rx_desc(rx_desc); - rx_ptype = le16_to_cpu(rx_desc->wb.ptype_flex_flags0) & - ICE_RX_FLEX_DESC_PTYPE_M; - - ice_process_skb_fields(rx_ring, rx_desc, skb, rx_ptype); + ice_process_skb_fields(rx_ring, rx_desc, skb); ice_receive_skb(rx_ring, skb, vlan_tag); }