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Mon, 14 Oct 2024 09:44:08 +0000 (UTC) X-CSE-ConnectionGUID: ICzHp0yoRraUixa2kfUsag== X-CSE-MsgGUID: Nz9j3N90QrG5u9zNpZJAKw== X-IronPort-AV: E=McAfee;i="6700,10204,11222"; a="45712179" X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="45712179" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Oct 2024 02:44:08 -0700 X-CSE-ConnectionGUID: zWsPGR9FQQS1DIDL+xhNCQ== X-CSE-MsgGUID: ed0qUUIYScaxjYWYb2CD1g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,202,1725346800"; d="scan'208";a="77531834" Received: from irvmail002.ir.intel.com ([10.43.11.120]) by fmviesa009.fm.intel.com with ESMTP; 14 Oct 2024 02:44:07 -0700 Received: from fedora.igk.intel.com (Metan_eth.igk.intel.com [10.123.220.124]) by irvmail002.ir.intel.com (Postfix) with ESMTP id A4CC527BD1; Mon, 14 Oct 2024 10:44:05 +0100 (IST) From: Mateusz Polchlopek To: intel-wired-lan@lists.osuosl.org, aleksander.lobakin@intel.com Date: Sun, 13 Oct 2024 11:44:10 -0400 Message-Id: <20241013154415.20262-10-mateusz.polchlopek@intel.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20241013154415.20262-1-mateusz.polchlopek@intel.com> References: <20241013154415.20262-1-mateusz.polchlopek@intel.com> MIME-Version: 1.0 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1728899049; x=1760435049; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Mz6eqS6zKh51Wx8VNvZOK8oHoSmyhrlT+wQdhCpgFrI=; b=XUfsYRiBO+FSJ0TTdVSbpihe9+/2PbFsIewVc/mbqnk2O82uaw3RARml Olq4wf+9IXpYGq25t7/KEg8YsPw4trIMiV2ybJh26vTrMg2T4CtnBwkEG BtxwsLP6aTrYJhbNTewH+5uV2rjKfiMnpINNUESqXYHm7kuOc1KUHTv80 fnUZtX9qXOXhwIybHNww54Zh27BBW2fL+Tb5Rgf2bDBzhETfFAaIvTENT r3jcCV4YwoJ8biJa5KqGVC7qmACOQmSdlWu7trhSAqrnXZJhZ9MdCr+j0 im7OGs5wLOTmd1jmA22srxoc16vwLiPnKnZPHsPvpR4dIed/pdBuxKuu7 g==; X-Mailman-Original-Authentication-Results: smtp1.osuosl.org; dmarc=pass (p=none dis=none) header.from=intel.com X-Mailman-Original-Authentication-Results: smtp1.osuosl.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=XUfsYRiB Subject: [Intel-wired-lan] [PATCH iwl-next v11 09/14] libeth: move idpf_rx_csum_decoded and idpf_rx_extracted X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: netdev@vger.kernel.org, Mateusz Polchlopek Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" Structs idpf_rx_csum_decoded and idpf_rx_extracted are used both in idpf and iavf Intel drivers. Change the prefix from idpf_* to libeth_* and move mentioned structs to libeth's rx.h header file. Adjust usage in idpf driver. Suggested-by: Alexander Lobakin Signed-off-by: Mateusz Polchlopek --- .../ethernet/intel/idpf/idpf_singleq_txrx.c | 51 ++++++++++--------- drivers/net/ethernet/intel/idpf/idpf_txrx.c | 16 +++--- drivers/net/ethernet/intel/idpf/idpf_txrx.h | 19 ------- include/net/libeth/rx.h | 47 +++++++++++++++++ 4 files changed, 82 insertions(+), 51 deletions(-) diff --git a/drivers/net/ethernet/intel/idpf/idpf_singleq_txrx.c b/drivers/net/ethernet/intel/idpf/idpf_singleq_txrx.c index dfd7cf1d9aa0..27797dfc95da 100644 --- a/drivers/net/ethernet/intel/idpf/idpf_singleq_txrx.c +++ b/drivers/net/ethernet/intel/idpf/idpf_singleq_txrx.c @@ -595,7 +595,7 @@ static bool idpf_rx_singleq_is_non_eop(const union virtchnl2_rx_desc *rx_desc) */ static void idpf_rx_singleq_csum(struct idpf_rx_queue *rxq, struct sk_buff *skb, - struct idpf_rx_csum_decoded csum_bits, + struct libeth_rx_csum csum_bits, struct libeth_rx_pt decoded) { bool ipv4, ipv6; @@ -661,10 +661,10 @@ static void idpf_rx_singleq_csum(struct idpf_rx_queue *rxq, * * Return: parsed checksum status. **/ -static struct idpf_rx_csum_decoded +static struct libeth_rx_csum idpf_rx_singleq_base_csum(const union virtchnl2_rx_desc *rx_desc) { - struct idpf_rx_csum_decoded csum_bits = { }; + struct libeth_rx_csum csum_bits = { }; u32 rx_error, rx_status; u64 qword; @@ -696,10 +696,10 @@ idpf_rx_singleq_base_csum(const union virtchnl2_rx_desc *rx_desc) * * Return: parsed checksum status. **/ -static struct idpf_rx_csum_decoded +static struct libeth_rx_csum idpf_rx_singleq_flex_csum(const union virtchnl2_rx_desc *rx_desc) { - struct idpf_rx_csum_decoded csum_bits = { }; + struct libeth_rx_csum csum_bits = { }; u16 rx_status0, rx_status1; rx_status0 = le16_to_cpu(rx_desc->flex_nic_wb.status_error0); @@ -798,7 +798,7 @@ idpf_rx_singleq_process_skb_fields(struct idpf_rx_queue *rx_q, u16 ptype) { struct libeth_rx_pt decoded = rx_q->rx_ptype_lkup[ptype]; - struct idpf_rx_csum_decoded csum_bits; + struct libeth_rx_csum csum_bits; /* modifies the skb - consumes the enet header */ skb->protocol = eth_type_trans(skb, rx_q->netdev); @@ -891,6 +891,7 @@ bool idpf_rx_singleq_buf_hw_alloc_all(struct idpf_rx_queue *rx_q, * idpf_rx_singleq_extract_base_fields - Extract fields from the Rx descriptor * @rx_desc: the descriptor to process * @fields: storage for extracted values + * @ptype: pointer that will store packet type * * Decode the Rx descriptor and extract relevant information including the * size and Rx packet type. @@ -900,20 +901,21 @@ bool idpf_rx_singleq_buf_hw_alloc_all(struct idpf_rx_queue *rx_q, */ static void idpf_rx_singleq_extract_base_fields(const union virtchnl2_rx_desc *rx_desc, - struct idpf_rx_extracted *fields) + struct libeth_rqe_info *fields, u32 *ptype) { u64 qword; qword = le64_to_cpu(rx_desc->base_wb.qword1.status_error_ptype_len); - fields->size = FIELD_GET(VIRTCHNL2_RX_BASE_DESC_QW1_LEN_PBUF_M, qword); - fields->rx_ptype = FIELD_GET(VIRTCHNL2_RX_BASE_DESC_QW1_PTYPE_M, qword); + fields->len = FIELD_GET(VIRTCHNL2_RX_BASE_DESC_QW1_LEN_PBUF_M, qword); + *ptype = FIELD_GET(VIRTCHNL2_RX_BASE_DESC_QW1_PTYPE_M, qword); } /** * idpf_rx_singleq_extract_flex_fields - Extract fields from the Rx descriptor * @rx_desc: the descriptor to process * @fields: storage for extracted values + * @ptype: pointer that will store packet type * * Decode the Rx descriptor and extract relevant information including the * size and Rx packet type. @@ -923,12 +925,12 @@ idpf_rx_singleq_extract_base_fields(const union virtchnl2_rx_desc *rx_desc, */ static void idpf_rx_singleq_extract_flex_fields(const union virtchnl2_rx_desc *rx_desc, - struct idpf_rx_extracted *fields) + struct libeth_rqe_info *fields, u32 *ptype) { - fields->size = FIELD_GET(VIRTCHNL2_RX_FLEX_DESC_PKT_LEN_M, - le16_to_cpu(rx_desc->flex_nic_wb.pkt_len)); - fields->rx_ptype = FIELD_GET(VIRTCHNL2_RX_FLEX_DESC_PTYPE_M, - le16_to_cpu(rx_desc->flex_nic_wb.ptype_flex_flags0)); + fields->len = FIELD_GET(VIRTCHNL2_RX_FLEX_DESC_PKT_LEN_M, + le16_to_cpu(rx_desc->flex_nic_wb.pkt_len)); + *ptype = FIELD_GET(VIRTCHNL2_RX_FLEX_DESC_PTYPE_M, + le16_to_cpu(rx_desc->flex_nic_wb.ptype_flex_flags0)); } /** @@ -936,17 +938,18 @@ idpf_rx_singleq_extract_flex_fields(const union virtchnl2_rx_desc *rx_desc, * @rx_q: Rx descriptor queue * @rx_desc: the descriptor to process * @fields: storage for extracted values + * @ptype: pointer that will store packet type * */ static void idpf_rx_singleq_extract_fields(const struct idpf_rx_queue *rx_q, const union virtchnl2_rx_desc *rx_desc, - struct idpf_rx_extracted *fields) + struct libeth_rqe_info *fields, u32 *ptype) { if (rx_q->rxdids == VIRTCHNL2_RXDID_1_32B_BASE_M) - idpf_rx_singleq_extract_base_fields(rx_desc, fields); + idpf_rx_singleq_extract_base_fields(rx_desc, fields, ptype); else - idpf_rx_singleq_extract_flex_fields(rx_desc, fields); + idpf_rx_singleq_extract_flex_fields(rx_desc, fields, ptype); } /** @@ -966,9 +969,10 @@ static int idpf_rx_singleq_clean(struct idpf_rx_queue *rx_q, int budget) /* Process Rx packets bounded by budget */ while (likely(total_rx_pkts < (unsigned int)budget)) { - struct idpf_rx_extracted fields = { }; + struct libeth_rqe_info fields = { }; union virtchnl2_rx_desc *rx_desc; struct idpf_rx_buf *rx_buf; + u32 ptype; /* get the Rx desc from Rx queue based on 'next_to_clean' */ rx_desc = &rx_q->rx[ntc]; @@ -989,16 +993,16 @@ static int idpf_rx_singleq_clean(struct idpf_rx_queue *rx_q, int budget) */ dma_rmb(); - idpf_rx_singleq_extract_fields(rx_q, rx_desc, &fields); + idpf_rx_singleq_extract_fields(rx_q, rx_desc, &fields, &ptype); rx_buf = &rx_q->rx_buf[ntc]; - if (!libeth_rx_sync_for_cpu(rx_buf, fields.size)) + if (!libeth_rx_sync_for_cpu(rx_buf, fields.len)) goto skip_data; if (skb) - idpf_rx_add_frag(rx_buf, skb, fields.size); + idpf_rx_add_frag(rx_buf, skb, fields.len); else - skb = idpf_rx_build_skb(rx_buf, fields.size); + skb = idpf_rx_build_skb(rx_buf, fields.len); /* exit if we failed to retrieve a buffer */ if (!skb) @@ -1033,8 +1037,7 @@ static int idpf_rx_singleq_clean(struct idpf_rx_queue *rx_q, int budget) total_rx_bytes += skb->len; /* protocol */ - idpf_rx_singleq_process_skb_fields(rx_q, skb, - rx_desc, fields.rx_ptype); + idpf_rx_singleq_process_skb_fields(rx_q, skb, rx_desc, ptype) /* send completed skb up the stack */ napi_gro_receive(rx_q->pp->p.napi, skb); diff --git a/drivers/net/ethernet/intel/idpf/idpf_txrx.c b/drivers/net/ethernet/intel/idpf/idpf_txrx.c index 60d15b3e6e2f..63a76e5b7f01 100644 --- a/drivers/net/ethernet/intel/idpf/idpf_txrx.c +++ b/drivers/net/ethernet/intel/idpf/idpf_txrx.c @@ -2895,7 +2895,7 @@ idpf_rx_hash(const struct idpf_rx_queue *rxq, struct sk_buff *skb, * skb->protocol must be set before this function is called */ static void idpf_rx_csum(struct idpf_rx_queue *rxq, struct sk_buff *skb, - struct idpf_rx_csum_decoded csum_bits, + struct libeth_rx_csum csum_bits, struct libeth_rx_pt decoded) { bool ipv4, ipv6; @@ -2923,7 +2923,7 @@ static void idpf_rx_csum(struct idpf_rx_queue *rxq, struct sk_buff *skb, if (unlikely(csum_bits.l4e)) goto checksum_fail; - if (csum_bits.raw_csum_inv || + if (!csum_bits.raw_csum_valid || decoded.inner_prot == LIBETH_RX_PT_INNER_SCTP) { skb->ip_summed = CHECKSUM_UNNECESSARY; return; @@ -2946,10 +2946,10 @@ static void idpf_rx_csum(struct idpf_rx_queue *rxq, struct sk_buff *skb, * * Return: parsed checksum status. **/ -static struct idpf_rx_csum_decoded +static struct libeth_rx_csum idpf_rx_splitq_extract_csum_bits(const struct virtchnl2_rx_flex_desc_adv_nic_3 *rx_desc) { - struct idpf_rx_csum_decoded csum = { }; + struct libeth_rx_csum csum = { }; u8 qword0, qword1; qword0 = rx_desc->status_err0_qw0; @@ -2965,9 +2965,9 @@ idpf_rx_splitq_extract_csum_bits(const struct virtchnl2_rx_flex_desc_adv_nic_3 * qword1); csum.ipv6exadd = FIELD_GET(VIRTCHNL2_RX_FLEX_DESC_ADV_STATUS0_IPV6EXADD_M, qword0); - csum.raw_csum_inv = - le16_get_bits(rx_desc->ptype_err_fflags0, - VIRTCHNL2_RX_FLEX_DESC_ADV_RAW_CSUM_INV_M); + csum.raw_csum_valid = + !le16_get_bits(rx_desc->ptype_err_fflags0, + VIRTCHNL2_RX_FLEX_DESC_ADV_RAW_CSUM_INV_M); csum.raw_csum = le16_to_cpu(rx_desc->misc.raw_cs); return csum; @@ -3060,7 +3060,7 @@ static int idpf_rx_process_skb_fields(struct idpf_rx_queue *rxq, struct sk_buff *skb, const struct virtchnl2_rx_flex_desc_adv_nic_3 *rx_desc) { - struct idpf_rx_csum_decoded csum_bits; + struct libeth_rx_csum csum_bits; struct libeth_rx_pt decoded; u16 rx_ptype; diff --git a/drivers/net/ethernet/intel/idpf/idpf_txrx.h b/drivers/net/ethernet/intel/idpf/idpf_txrx.h index 9c1fe84108ed..b59aa7d8de2c 100644 --- a/drivers/net/ethernet/intel/idpf/idpf_txrx.h +++ b/drivers/net/ethernet/intel/idpf/idpf_txrx.h @@ -213,25 +213,6 @@ enum idpf_tx_ctx_desc_eipt_offload { IDPF_TX_CTX_EXT_IP_IPV4 = 0x3 }; -/* Checksum offload bits decoded from the receive descriptor. */ -struct idpf_rx_csum_decoded { - u32 l3l4p : 1; - u32 ipe : 1; - u32 eipe : 1; - u32 eudpe : 1; - u32 ipv6exadd : 1; - u32 l4e : 1; - u32 pprs : 1; - u32 nat : 1; - u32 raw_csum_inv : 1; - u32 raw_csum : 16; -}; - -struct idpf_rx_extracted { - unsigned int size; - u16 rx_ptype; -}; - #define IDPF_TX_COMPLQ_CLEAN_BUDGET 256 #define IDPF_TX_MIN_PKT_LEN 17 #define IDPF_TX_DESCS_FOR_SKB_DATA_PTR 1 diff --git a/include/net/libeth/rx.h b/include/net/libeth/rx.h index 43574bd6612f..ab05024be518 100644 --- a/include/net/libeth/rx.h +++ b/include/net/libeth/rx.h @@ -198,6 +198,53 @@ struct libeth_rx_pt { enum xdp_rss_hash_type hash_type:16; }; +/** + * struct libeth_rx_csum - checksum offload bits decoded from the Rx descriptor + * @l3l4p: detectable L3 and L4 integrity check is processed by the hardware + * @ipe: IP checksum error + * @eipe: external (outermost) IP header (only for tunels) + * @eudpe: external (outermost) UDP checksum error (only for tunels) + * @ipv6exadd: IPv6 header with extension headers + * @l4e: L4 integrity error + * @pprs: set for packets that skip checksum calculation in the HW pre parser + * @nat: the packet is a UDP tunneled packet + * @raw_csum_valid: set if raw checksum is valid + * @pad: padding to naturally align raw_csum field + * @raw_csum: raw checksum + */ +struct libeth_rx_csum { + u32 l3l4p:1; + u32 ipe:1; + u32 eipe:1; + u32 eudpe:1; + u32 ipv6exadd:1; + u32 l4e:1; + u32 pprs:1; + u32 nat:1; + + u32 raw_csum_valid:1; + u32 pad:7; + u32 raw_csum:16; +}; + +/** + * struct libeth_rqe_info - receive queue element info + * @len: packet length + * @ptype: packet type based on types programmed into the device + * @eop: whether it's the last fragment of the packet + * @rxe: MAC errors: CRC, Alignment, Oversize, Undersizes, Length error + * @vlan: C-VLAN or S-VLAN tag depending on the VLAN offload configuration + */ +struct libeth_rqe_info { + u32 len; + + u32 ptype:14; + u32 eop:1; + u32 rxe:1; + + u32 vlan:16; +}; + void libeth_rx_pt_gen_hash_type(struct libeth_rx_pt *pt); /**