From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by mail.toke.dk (Postfix) with ESMTPS id 1F303A1ACC1 for ; Wed, 19 Jul 2023 20:41:56 +0200 (CEST) Authentication-Results: mail.toke.dk; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=hR/Ofvvw DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1689792117; x=1721328117; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=+7mFwAyRDl4gLj6qj13o2eJx9db59JYPo4s11YjyH1Q=; b=hR/OfvvwX2rANH/uW8gxonEcMxKItoYHOLJQYfaj/8RbMfffpm+bAhIi cZajJp3BUZcOSBUP8e8jhWwll2OicyuHNzKQSdGu6WuDwiwlh53RJj5hD daQHSQ+1+x92/38XBcDIpxCAlAGkjhF6tFhW1p7LatnRNNqkQFBpul8GU KHiHmeY4kEqR2oZD4CzwxsEMbtZKDDJJ/9KTcVm8KZcRD89yA2jQWQlvJ Urk5zc6qnASPzNu+8YPOed1erwccnTxtqDlv4MuIjtBBT1Cq1ZNWwWqS7 tHtNlzt1bR6Du2h1nNQ8QTXlEfAL+6yoZamH2Ofbdwf8zVZtVyy6Kdn5G Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10776"; a="370111139" X-IronPort-AV: E=Sophos;i="6.01,216,1684825200"; d="scan'208";a="370111139" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Jul 2023 11:41:54 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10776"; a="794146619" X-IronPort-AV: E=Sophos;i="6.01,216,1684825200"; d="scan'208";a="794146619" Received: from irvmail002.ir.intel.com ([10.43.11.120]) by fmsmga004.fm.intel.com with ESMTP; 19 Jul 2023 11:41:49 -0700 Received: from lincoln.igk.intel.com (lincoln.igk.intel.com [10.102.21.235]) by irvmail002.ir.intel.com (Postfix) with ESMTP id C603434938; Wed, 19 Jul 2023 19:41:47 +0100 (IST) From: Larysa Zaremba To: bpf@vger.kernel.org Date: Wed, 19 Jul 2023 20:37:17 +0200 Message-ID: <20230719183734.21681-5-larysa.zaremba@intel.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230719183734.21681-1-larysa.zaremba@intel.com> References: <20230719183734.21681-1-larysa.zaremba@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-ID-Hash: GCB6QMVS3PXKUVGDYKF5DEOESFQ2BR3J X-Message-ID-Hash: GCB6QMVS3PXKUVGDYKF5DEOESFQ2BR3J X-MailFrom: larysa.zaremba@intel.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header 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 X-Mailman-Version: 3.3.8 Precedence: list Subject: [xdp-hints] [PATCH bpf-next v3 04/21] ice: Make ptype internal to descriptor info processing List-Id: XDP hardware hints design discussion Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: 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. 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 8b155a502b3b..07241f4229b7 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c @@ -241,12 +241,21 @@ 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 @@ -255,8 +264,10 @@ 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 a7fe2b4ce655..4212172a758d 100644 --- a/drivers/net/ethernet/intel/ice/ice_xsk.c +++ b/drivers/net/ethernet/intel/ice/ice_xsk.c @@ -781,7 +781,6 @@ 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, rx_ring->next_to_clean); @@ -851,10 +850,7 @@ 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); } -- 2.41.0