From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (unknown [192.55.52.93]) by mail.toke.dk (Postfix) with ESMTPS id 88612A1CBEA for ; Fri, 28 Jul 2023 19:44:41 +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=QLVEo60G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1690566281; x=1722102281; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=qjTl/GB6HZLKjSbu7LbG5oyjMbEvF6SUYZyttWw8rnc=; b=QLVEo60Gqp0dz1SvKoY96rcHWWL/iq8mpRHlx7QTSX/eriQQH0v/yMe4 RYsu0rrWNGYM83mgUjPQudGOf1Zcy5MNrZvO9dTq2nesoXFn2oFoy3fuT lfm0g5mx2ZEIc0dAEc48wmhnbr700A3r9RvpuSRTfvo2mbUa86kM/RLUg Ya47UMZ5S8y5ZePDUpfLBi4N+F0NXfBa2bXTQkKjh2NTEU+RlhzriYM3z 1lNRZkWwZqrlFKZH3M+uEY3FJ9jFFgvjBk1cL+wHDBmwlUfKXx4JLUlvy sXFtXE41y0i/i2dnv12rGNP3cJE3hdQVCbMUdRBcgIc5MaQbpjmw2UZ8r A==; X-IronPort-AV: E=McAfee;i="6600,9927,10784"; a="366117306" X-IronPort-AV: E=Sophos;i="6.01,238,1684825200"; d="scan'208";a="366117306" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Jul 2023 10:44:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10784"; a="851294597" X-IronPort-AV: E=Sophos;i="6.01,238,1684825200"; d="scan'208";a="851294597" Received: from irvmail002.ir.intel.com ([10.43.11.120]) by orsmga004.jf.intel.com with ESMTP; 28 Jul 2023 10:44:11 -0700 Received: from lincoln.igk.intel.com (lincoln.igk.intel.com [10.102.21.235]) by irvmail002.ir.intel.com (Postfix) with ESMTP id C348537E1F; Fri, 28 Jul 2023 18:44:07 +0100 (IST) From: Larysa Zaremba To: bpf@vger.kernel.org Date: Fri, 28 Jul 2023 19:39:06 +0200 Message-ID: <20230728173923.1318596-5-larysa.zaremba@intel.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230728173923.1318596-1-larysa.zaremba@intel.com> References: <20230728173923.1318596-1-larysa.zaremba@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-ID-Hash: XRN6SLFXDFWZKOGIREJ4ANQDVD3ZLI2L X-Message-ID-Hash: XRN6SLFXDFWZKOGIREJ4ANQDVD3ZLI2L 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, Willem de Bruijn , Alexei Starovoitov , Simon Horman X-Mailman-Version: 3.3.8 Precedence: list Subject: [xdp-hints] [PATCH bpf-next v4 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 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); } -- 2.41.0