From patchwork Thu Sep 8 19:33:41 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 603941 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4FBF0C6FA86 for ; Thu, 8 Sep 2022 19:35:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229509AbiIHTfg (ORCPT ); Thu, 8 Sep 2022 15:35:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56426 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231693AbiIHTfd (ORCPT ); Thu, 8 Sep 2022 15:35:33 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C9C1A5F7CB; Thu, 8 Sep 2022 12:35:31 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 7F5E3B82190; Thu, 8 Sep 2022 19:35:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9FEF3C433D6; Thu, 8 Sep 2022 19:35:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1662665729; bh=abJ7nYR84qNEFjiirgEaY32Ku5TcmUajyR7XXEaIQvQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SIx9GzggF25isQY53XdUwhXlbiuVoRb0D2IqZmbWfvBY+G27Ft8lddgc6fqe/4jhi 3d7Y5jHd3m0SP2fenVTaymmf+soZjqvlkkfU/NS2jdSdDYtJz1GRUlfh8pwKeGjCTs 4355wixCjeSuVG/n2hzeVU81is7i5cp37fpxgMXA/A6djvsUTsIWns7TUF8Yqp1g+H csJHH1Jnw8oNCAJHdFo4qk/GvUQJUlA75hVutzpZLV4EeO43nU7tg1B+LunQSzu584 zjeX45OV2NG+ddFDWULA07qpYkcqsH8Okd9M2Zul7cj4W3OQZS0u9Dk4cm7h0E8CH9 eUsqovtAuQM9Q== From: Lorenzo Bianconi To: netdev@vger.kernel.org Cc: nbd@nbd.name, john@phrozen.org, sean.wang@mediatek.com, Mark-MC.Lee@mediatek.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, matthias.bgg@gmail.com, linux-mediatek@lists.infradead.org, lorenzo.bianconi@redhat.com, Bo.Jiao@mediatek.com, sujuan.chen@mediatek.com, ryder.Lee@mediatek.com, evelyn.tsai@mediatek.com, devicetree@vger.kernel.org, robh@kernel.org Subject: [PATCH net-next 07/12] net: ethernet: mtk_eth_soc: add foe_entry_size to mtk_eth_soc Date: Thu, 8 Sep 2022 21:33:41 +0200 Message-Id: X-Mailer: git-send-email 2.37.3 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Introduce foe_entry_size to mtk_eth_soc data structure since mt7986 relies on a bigger mtk_foe_entry data structure. Signed-off-by: Lorenzo Bianconi --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 3 + drivers/net/ethernet/mediatek/mtk_eth_soc.h | 10 ++++ drivers/net/ethernet/mediatek/mtk_ppe.c | 55 +++++++++++-------- drivers/net/ethernet/mediatek/mtk_ppe.h | 2 +- .../net/ethernet/mediatek/mtk_ppe_debugfs.c | 2 +- 5 files changed, 48 insertions(+), 24 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index f289b994e7d5..b4bccd42a22c 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -4217,6 +4217,7 @@ static const struct mtk_soc_data mt7621_data = { .required_pctl = false, .offload_version = 2, .hash_offset = 2, + .foe_entry_size = sizeof(struct mtk_foe_entry), .txrx = { .txd_size = sizeof(struct mtk_tx_dma), .rxd_size = sizeof(struct mtk_rx_dma), @@ -4236,6 +4237,7 @@ static const struct mtk_soc_data mt7622_data = { .required_pctl = false, .offload_version = 2, .hash_offset = 2, + .foe_entry_size = sizeof(struct mtk_foe_entry), .txrx = { .txd_size = sizeof(struct mtk_tx_dma), .rxd_size = sizeof(struct mtk_rx_dma), @@ -4254,6 +4256,7 @@ static const struct mtk_soc_data mt7623_data = { .required_pctl = true, .offload_version = 2, .hash_offset = 2, + .foe_entry_size = sizeof(struct mtk_foe_entry), .txrx = { .txd_size = sizeof(struct mtk_tx_dma), .rxd_size = sizeof(struct mtk_rx_dma), diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h index 39a0361ca989..08236e054616 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -968,6 +968,7 @@ struct mtk_reg_map { * @required_pctl A bool value to show whether the SoC requires * the extra setup for those pins used by GMAC. * @hash_offset Flow table hash offset. + * @foe_entry_size Foe table entry size. * @txd_size Tx DMA descriptor size. * @rxd_size Rx DMA descriptor size. * @rx_irq_done_mask Rx irq done register mask. @@ -983,6 +984,7 @@ struct mtk_soc_data { bool required_pctl; u8 offload_version; u8 hash_offset; + u16 foe_entry_size; netdev_features_t hw_features; struct { u32 txd_size; @@ -1143,6 +1145,14 @@ struct mtk_mac { /* the struct describing the SoC. these are declared in the soc_xyz.c files */ extern const struct of_device_id of_mtk_match[]; +static inline struct mtk_foe_entry * +mtk_foe_get_entry(struct mtk_ppe *ppe, u16 hash) +{ + const struct mtk_soc_data *soc = ppe->eth->soc; + + return ppe->foe_table + hash * soc->foe_entry_size; +} + /* read the hardware status register */ void mtk_stats_update_mac(struct mtk_mac *mac); diff --git a/drivers/net/ethernet/mediatek/mtk_ppe.c b/drivers/net/ethernet/mediatek/mtk_ppe.c index 687d365b601a..8c52cfc7ce76 100644 --- a/drivers/net/ethernet/mediatek/mtk_ppe.c +++ b/drivers/net/ethernet/mediatek/mtk_ppe.c @@ -410,9 +410,10 @@ __mtk_foe_entry_clear(struct mtk_ppe *ppe, struct mtk_flow_entry *entry) hlist_del_init(&entry->list); if (entry->hash != 0xffff) { - ppe->foe_table[entry->hash].ib1 &= ~MTK_FOE_IB1_STATE; - ppe->foe_table[entry->hash].ib1 |= FIELD_PREP(MTK_FOE_IB1_STATE, - MTK_FOE_STATE_UNBIND); + struct mtk_foe_entry *hwe = mtk_foe_get_entry(ppe, entry->hash); + + hwe->ib1 &= ~MTK_FOE_IB1_STATE; + hwe->ib1 |= FIELD_PREP(MTK_FOE_IB1_STATE, MTK_FOE_STATE_UNBIND); dma_wmb(); } entry->hash = 0xffff; @@ -451,7 +452,7 @@ mtk_flow_entry_update_l2(struct mtk_ppe *ppe, struct mtk_flow_entry *entry) int cur_idle; u32 ib1; - hwe = &ppe->foe_table[cur->hash]; + hwe = mtk_foe_get_entry(ppe, cur->hash); ib1 = READ_ONCE(hwe->ib1); if (FIELD_GET(MTK_FOE_IB1_STATE, ib1) != MTK_FOE_STATE_BIND) { @@ -473,8 +474,8 @@ mtk_flow_entry_update_l2(struct mtk_ppe *ppe, struct mtk_flow_entry *entry) static void mtk_flow_entry_update(struct mtk_ppe *ppe, struct mtk_flow_entry *entry) { + struct mtk_foe_entry foe = {}; struct mtk_foe_entry *hwe; - struct mtk_foe_entry foe; spin_lock_bh(&ppe_lock); @@ -486,8 +487,8 @@ mtk_flow_entry_update(struct mtk_ppe *ppe, struct mtk_flow_entry *entry) if (entry->hash == 0xffff) goto out; - hwe = &ppe->foe_table[entry->hash]; - memcpy(&foe, hwe, sizeof(foe)); + hwe = mtk_foe_get_entry(ppe, entry->hash); + memcpy(&foe, hwe, ppe->eth->soc->foe_entry_size); if (!mtk_flow_entry_match(entry, &foe)) { entry->hash = 0xffff; goto out; @@ -511,8 +512,8 @@ __mtk_foe_entry_commit(struct mtk_ppe *ppe, struct mtk_foe_entry *entry, entry->ib1 &= ~MTK_FOE_IB1_BIND_TIMESTAMP; entry->ib1 |= FIELD_PREP(MTK_FOE_IB1_BIND_TIMESTAMP, timestamp); - hwe = &ppe->foe_table[hash]; - memcpy(&hwe->data, &entry->data, sizeof(hwe->data)); + hwe = mtk_foe_get_entry(ppe, hash); + memcpy(&hwe->data, &entry->data, ppe->eth->soc->foe_entry_size); wmb(); hwe->ib1 = entry->ib1; @@ -561,7 +562,7 @@ mtk_foe_entry_commit_subflow(struct mtk_ppe *ppe, struct mtk_flow_entry *entry, { const struct mtk_soc_data *soc = ppe->eth->soc; struct mtk_flow_entry *flow_info; - struct mtk_foe_entry foe, *hwe; + struct mtk_foe_entry foe = {}, *hwe; struct mtk_foe_mac_info *l2; u32 ib1_mask = MTK_FOE_IB1_PACKET_TYPE | MTK_FOE_IB1_UDP; int type; @@ -578,8 +579,8 @@ mtk_foe_entry_commit_subflow(struct mtk_ppe *ppe, struct mtk_flow_entry *entry, &ppe->foe_flow[hash / soc->hash_offset]); hlist_add_head(&flow_info->l2_data.list, &entry->l2_flows); - hwe = &ppe->foe_table[hash]; - memcpy(&foe, hwe, sizeof(foe)); + hwe = mtk_foe_get_entry(ppe, hash); + memcpy(&foe, hwe, soc->foe_entry_size); foe.ib1 &= ib1_mask; foe.ib1 |= entry->data.ib1 & ~ib1_mask; @@ -601,7 +602,7 @@ void __mtk_ppe_check_skb(struct mtk_ppe *ppe, struct sk_buff *skb, u16 hash) { const struct mtk_soc_data *soc = ppe->eth->soc; struct hlist_head *head = &ppe->foe_flow[hash / soc->hash_offset]; - struct mtk_foe_entry *hwe = &ppe->foe_table[hash]; + struct mtk_foe_entry *hwe = mtk_foe_get_entry(ppe, hash); struct mtk_flow_entry *entry; struct mtk_foe_bridge key = {}; struct hlist_node *n; @@ -686,9 +687,9 @@ struct mtk_ppe *mtk_ppe_init(struct mtk_eth *eth, void __iomem *base, { const struct mtk_soc_data *soc = eth->soc; struct device *dev = eth->dev; - struct mtk_foe_entry *foe; struct mtk_ppe *ppe; u32 foe_flow_size; + void *foe; ppe = devm_kzalloc(dev, sizeof(*ppe), GFP_KERNEL); if (!ppe) @@ -704,7 +705,8 @@ struct mtk_ppe *mtk_ppe_init(struct mtk_eth *eth, void __iomem *base, ppe->dev = dev; ppe->version = version; - foe = dmam_alloc_coherent(ppe->dev, MTK_PPE_ENTRIES * sizeof(*foe), + foe = dmam_alloc_coherent(ppe->dev, + MTK_PPE_ENTRIES * soc->foe_entry_size, &ppe->foe_phys, GFP_KERNEL); if (!foe) return NULL; @@ -727,15 +729,21 @@ static void mtk_ppe_init_foe_table(struct mtk_ppe *ppe) static const u8 skip[] = { 12, 25, 38, 51, 76, 89, 102 }; int i, k; - memset(ppe->foe_table, 0, MTK_PPE_ENTRIES * sizeof(*ppe->foe_table)); + memset(ppe->foe_table, 0, + MTK_PPE_ENTRIES * ppe->eth->soc->foe_entry_size); if (!IS_ENABLED(CONFIG_SOC_MT7621)) return; /* skip all entries that cross the 1024 byte boundary */ - for (i = 0; i < MTK_PPE_ENTRIES; i += 128) - for (k = 0; k < ARRAY_SIZE(skip); k++) - ppe->foe_table[i + skip[k]].ib1 |= MTK_FOE_IB1_STATIC; + for (i = 0; i < MTK_PPE_ENTRIES; i += 128) { + for (k = 0; k < ARRAY_SIZE(skip); k++) { + struct mtk_foe_entry *hwe; + + hwe = mtk_foe_get_entry(ppe, i + skip[k]); + hwe->ib1 |= MTK_FOE_IB1_STATIC; + } + } } void mtk_ppe_start(struct mtk_ppe *ppe) @@ -822,9 +830,12 @@ int mtk_ppe_stop(struct mtk_ppe *ppe) if (!ppe) return 0; - for (i = 0; i < MTK_PPE_ENTRIES; i++) - ppe->foe_table[i].ib1 = FIELD_PREP(MTK_FOE_IB1_STATE, - MTK_FOE_STATE_INVALID); + for (i = 0; i < MTK_PPE_ENTRIES; i++) { + struct mtk_foe_entry *hwe = mtk_foe_get_entry(ppe, i); + + hwe->ib1 = FIELD_PREP(MTK_FOE_IB1_STATE, + MTK_FOE_STATE_INVALID); + } mtk_ppe_cache_enable(ppe, false); diff --git a/drivers/net/ethernet/mediatek/mtk_ppe.h b/drivers/net/ethernet/mediatek/mtk_ppe.h index 4c31d854e986..6d4c91acd1a5 100644 --- a/drivers/net/ethernet/mediatek/mtk_ppe.h +++ b/drivers/net/ethernet/mediatek/mtk_ppe.h @@ -268,7 +268,7 @@ struct mtk_ppe { int version; char dirname[5]; - struct mtk_foe_entry *foe_table; + void *foe_table; dma_addr_t foe_phys; u16 foe_check_time[MTK_PPE_ENTRIES]; diff --git a/drivers/net/ethernet/mediatek/mtk_ppe_debugfs.c b/drivers/net/ethernet/mediatek/mtk_ppe_debugfs.c index 0868226ccc27..ec49829ab32d 100644 --- a/drivers/net/ethernet/mediatek/mtk_ppe_debugfs.c +++ b/drivers/net/ethernet/mediatek/mtk_ppe_debugfs.c @@ -79,7 +79,7 @@ mtk_ppe_debugfs_foe_show(struct seq_file *m, void *private, bool bind) int i; for (i = 0; i < MTK_PPE_ENTRIES; i++) { - struct mtk_foe_entry *entry = &ppe->foe_table[i]; + struct mtk_foe_entry *entry = mtk_foe_get_entry(ppe, i); struct mtk_foe_mac_info *l2; struct mtk_flow_addr_info ai = {}; unsigned char h_source[ETH_ALEN];