From patchwork Fri Jul 8 04:41:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ratheesh Kannoth X-Patchwork-Id: 12910559 X-Patchwork-Delegate: kuba@kernel.org 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 BECD4C433EF for ; Fri, 8 Jul 2022 04:44:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237294AbiGHEoY (ORCPT ); Fri, 8 Jul 2022 00:44:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45656 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237221AbiGHEny (ORCPT ); Fri, 8 Jul 2022 00:43:54 -0400 Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C468B79683; Thu, 7 Jul 2022 21:42:58 -0700 (PDT) Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 267GcTX1008611; Thu, 7 Jul 2022 21:42:40 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=pfpt0220; bh=TLWPACD6JnypQ9HKMX4FNwaUC/y0RfptYGBOQ58GtOM=; b=hN5rJgMhYYbsascCCil7EZLt+30sps/RbfWnASYpehjenSF9PP/SMU+Oqs+uFvJP71r1 Y8wzb+4RHK/Vhdd2d4SUNfat00sqUla38F9gj4eA3PVpcx/N8jExvwtY5gPTQegSKRsw OTEEsfI8C6/A/mejwzPx6DkdHj8xpuDbe86wvTXxyblcrqqZGIzXBcDH8ZN5xAcJhG1y dQO+fRM+lZLvouF+SfQpA+ZAupHceqKqQCylPAb+UMw6Ma1FuiHWP9EeJty38w4GBGLe imCbCIrOwHCbHTbNSvYKWNl7Vp3mB53SmPgtp7tbRlomrp5Qm+pBaMxA611pUwi8B19u pA== Received: from dc5-exch02.marvell.com ([199.233.59.182]) by mx0b-0016f401.pphosted.com (PPS) with ESMTPS id 3h635w2cy7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Thu, 07 Jul 2022 21:42:40 -0700 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.18; Thu, 7 Jul 2022 21:42:38 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.18 via Frontend Transport; Thu, 7 Jul 2022 21:42:38 -0700 Received: from IPBU-BLR-SERVER1.marvell.com (IPBU-BLR-SERVER1.marvell.com [10.28.8.41]) by maili.marvell.com (Postfix) with ESMTP id 9883F3F7074; Thu, 7 Jul 2022 21:42:35 -0700 (PDT) From: Ratheesh Kannoth To: , CC: , , , , , Ratheesh Kannoth Subject: [net-next PATCH v5 11/12] octeontx2-pf: Add support for exact match table. Date: Fri, 8 Jul 2022 10:11:50 +0530 Message-ID: <20220708044151.2972645-12-rkannoth@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220708044151.2972645-1-rkannoth@marvell.com> References: <20220708044151.2972645-1-rkannoth@marvell.com> MIME-Version: 1.0 X-Proofpoint-GUID: IIfMW4MgTyvA3xPqw9lgZVMy0nalk0Xc X-Proofpoint-ORIG-GUID: IIfMW4MgTyvA3xPqw9lgZVMy0nalk0Xc X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-07-08_02,2022-06-28_01,2022-06-22_01 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org NPC exact match table can support more entries than RPM dmac filters. This requires field size of DMAC filter count and index to be increased. Signed-off-by: Ratheesh Kannoth --- .../marvell/octeontx2/nic/otx2_common.h | 10 ++--- .../marvell/octeontx2/nic/otx2_dmac_flt.c | 44 ++++++++++++++----- .../marvell/octeontx2/nic/otx2_flows.c | 40 ++++++++++++----- .../ethernet/marvell/octeontx2/nic/otx2_pf.c | 2 +- 4 files changed, 67 insertions(+), 29 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h index ce2766317c0b..e795f9ee76dd 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h @@ -314,8 +314,8 @@ struct otx2_flow_config { #define OTX2_VF_VLAN_TX_INDEX 1 u16 max_flows; u8 dmacflt_max_flows; - u8 *bmap_to_dmacindex; - unsigned long dmacflt_bmap; + u32 *bmap_to_dmacindex; + unsigned long *dmacflt_bmap; struct list_head flow_list; }; @@ -895,9 +895,9 @@ int otx2_setup_tc(struct net_device *netdev, enum tc_setup_type type, int otx2_tc_alloc_ent_bitmap(struct otx2_nic *nic); /* CGX/RPM DMAC filters support */ int otx2_dmacflt_get_max_cnt(struct otx2_nic *pf); -int otx2_dmacflt_add(struct otx2_nic *pf, const u8 *mac, u8 bit_pos); -int otx2_dmacflt_remove(struct otx2_nic *pf, const u8 *mac, u8 bit_pos); -int otx2_dmacflt_update(struct otx2_nic *pf, u8 *mac, u8 bit_pos); +int otx2_dmacflt_add(struct otx2_nic *pf, const u8 *mac, u32 bit_pos); +int otx2_dmacflt_remove(struct otx2_nic *pf, const u8 *mac, u32 bit_pos); +int otx2_dmacflt_update(struct otx2_nic *pf, u8 *mac, u32 bit_pos); void otx2_dmacflt_reinstall_flows(struct otx2_nic *pf); void otx2_dmacflt_update_pfmac_flow(struct otx2_nic *pfvf); diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_dmac_flt.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_dmac_flt.c index 142d87722bed..846a0294a215 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_dmac_flt.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_dmac_flt.c @@ -8,7 +8,7 @@ #include "otx2_common.h" static int otx2_dmacflt_do_add(struct otx2_nic *pf, const u8 *mac, - u8 *dmac_index) + u32 *dmac_index) { struct cgx_mac_addr_add_req *req; struct cgx_mac_addr_add_rsp *rsp; @@ -35,9 +35,10 @@ static int otx2_dmacflt_do_add(struct otx2_nic *pf, const u8 *mac, return err; } -static int otx2_dmacflt_add_pfmac(struct otx2_nic *pf) +static int otx2_dmacflt_add_pfmac(struct otx2_nic *pf, u32 *dmac_index) { struct cgx_mac_addr_set_or_get *req; + struct cgx_mac_addr_set_or_get *rsp; int err; mutex_lock(&pf->mbox.lock); @@ -48,16 +49,24 @@ static int otx2_dmacflt_add_pfmac(struct otx2_nic *pf) return -ENOMEM; } + req->index = *dmac_index; + ether_addr_copy(req->mac_addr, pf->netdev->dev_addr); err = otx2_sync_mbox_msg(&pf->mbox); + if (!err) { + rsp = (struct cgx_mac_addr_set_or_get *) + otx2_mbox_get_rsp(&pf->mbox.mbox, 0, &req->hdr); + *dmac_index = rsp->index; + } + mutex_unlock(&pf->mbox.lock); return err; } -int otx2_dmacflt_add(struct otx2_nic *pf, const u8 *mac, u8 bit_pos) +int otx2_dmacflt_add(struct otx2_nic *pf, const u8 *mac, u32 bit_pos) { - u8 *dmacindex; + u32 *dmacindex; /* Store dmacindex returned by CGX/RPM driver which will * be used for macaddr update/remove @@ -65,13 +74,13 @@ int otx2_dmacflt_add(struct otx2_nic *pf, const u8 *mac, u8 bit_pos) dmacindex = &pf->flow_cfg->bmap_to_dmacindex[bit_pos]; if (ether_addr_equal(mac, pf->netdev->dev_addr)) - return otx2_dmacflt_add_pfmac(pf); + return otx2_dmacflt_add_pfmac(pf, dmacindex); else return otx2_dmacflt_do_add(pf, mac, dmacindex); } static int otx2_dmacflt_do_remove(struct otx2_nic *pfvf, const u8 *mac, - u8 dmac_index) + u32 dmac_index) { struct cgx_mac_addr_del_req *req; int err; @@ -91,7 +100,7 @@ static int otx2_dmacflt_do_remove(struct otx2_nic *pfvf, const u8 *mac, return err; } -static int otx2_dmacflt_remove_pfmac(struct otx2_nic *pf) +static int otx2_dmacflt_remove_pfmac(struct otx2_nic *pf, u32 dmac_index) { struct cgx_mac_addr_reset_req *req; int err; @@ -102,6 +111,7 @@ static int otx2_dmacflt_remove_pfmac(struct otx2_nic *pf) mutex_unlock(&pf->mbox.lock); return -ENOMEM; } + req->index = dmac_index; err = otx2_sync_mbox_msg(&pf->mbox); @@ -110,12 +120,12 @@ static int otx2_dmacflt_remove_pfmac(struct otx2_nic *pf) } int otx2_dmacflt_remove(struct otx2_nic *pf, const u8 *mac, - u8 bit_pos) + u32 bit_pos) { - u8 dmacindex = pf->flow_cfg->bmap_to_dmacindex[bit_pos]; + u32 dmacindex = pf->flow_cfg->bmap_to_dmacindex[bit_pos]; if (ether_addr_equal(mac, pf->netdev->dev_addr)) - return otx2_dmacflt_remove_pfmac(pf); + return otx2_dmacflt_remove_pfmac(pf, dmacindex); else return otx2_dmacflt_do_remove(pf, mac, dmacindex); } @@ -151,9 +161,10 @@ int otx2_dmacflt_get_max_cnt(struct otx2_nic *pf) return err; } -int otx2_dmacflt_update(struct otx2_nic *pf, u8 *mac, u8 bit_pos) +int otx2_dmacflt_update(struct otx2_nic *pf, u8 *mac, u32 bit_pos) { struct cgx_mac_addr_update_req *req; + struct cgx_mac_addr_update_rsp *rsp; int rc; mutex_lock(&pf->mbox.lock); @@ -167,8 +178,19 @@ int otx2_dmacflt_update(struct otx2_nic *pf, u8 *mac, u8 bit_pos) ether_addr_copy(req->mac_addr, mac); req->index = pf->flow_cfg->bmap_to_dmacindex[bit_pos]; + + /* check the response and change index */ + rc = otx2_sync_mbox_msg(&pf->mbox); + if (rc) + goto out; + rsp = (struct cgx_mac_addr_update_rsp *) + otx2_mbox_get_rsp(&pf->mbox.mbox, 0, &req->hdr); + + pf->flow_cfg->bmap_to_dmacindex[bit_pos] = rsp->index; + +out: mutex_unlock(&pf->mbox.lock); return rc; } diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c index 2dd192b5e4e0..709fc0114fbd 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c @@ -18,7 +18,7 @@ struct otx2_flow { struct ethtool_rx_flow_spec flow_spec; struct list_head list; u32 location; - u16 entry; + u32 entry; bool is_vf; u8 rss_ctx_id; #define DMAC_FILTER_RULE BIT(0) @@ -232,6 +232,9 @@ static int otx2_mcam_entry_init(struct otx2_nic *pfvf) return 0; } +/* TODO : revisit on size */ +#define OTX2_DMAC_FLTR_BITMAP_SZ (4 * 2048 + 32) + int otx2vf_mcam_flow_init(struct otx2_nic *pfvf) { struct otx2_flow_config *flow_cfg; @@ -242,6 +245,12 @@ int otx2vf_mcam_flow_init(struct otx2_nic *pfvf) if (!pfvf->flow_cfg) return -ENOMEM; + pfvf->flow_cfg->dmacflt_bmap = devm_kcalloc(pfvf->dev, + BITS_TO_LONGS(OTX2_DMAC_FLTR_BITMAP_SZ), + sizeof(long), GFP_KERNEL); + if (!pfvf->flow_cfg->dmacflt_bmap) + return -ENOMEM; + flow_cfg = pfvf->flow_cfg; INIT_LIST_HEAD(&flow_cfg->flow_list); flow_cfg->max_flows = 0; @@ -259,6 +268,12 @@ int otx2_mcam_flow_init(struct otx2_nic *pf) if (!pf->flow_cfg) return -ENOMEM; + pf->flow_cfg->dmacflt_bmap = devm_kcalloc(pf->dev, + BITS_TO_LONGS(OTX2_DMAC_FLTR_BITMAP_SZ), + sizeof(long), GFP_KERNEL); + if (!pf->flow_cfg->dmacflt_bmap) + return -ENOMEM; + INIT_LIST_HEAD(&pf->flow_cfg->flow_list); /* Allocate bare minimum number of MCAM entries needed for @@ -284,7 +299,7 @@ int otx2_mcam_flow_init(struct otx2_nic *pf) return 0; pf->flow_cfg->bmap_to_dmacindex = - devm_kzalloc(pf->dev, sizeof(u8) * + devm_kzalloc(pf->dev, sizeof(u32) * pf->flow_cfg->dmacflt_max_flows, GFP_KERNEL); @@ -355,7 +370,7 @@ int otx2_add_macfilter(struct net_device *netdev, const u8 *mac) { struct otx2_nic *pf = netdev_priv(netdev); - if (!bitmap_empty(&pf->flow_cfg->dmacflt_bmap, + if (!bitmap_empty(pf->flow_cfg->dmacflt_bmap, pf->flow_cfg->dmacflt_max_flows)) netdev_warn(netdev, "Add %pM to CGX/RPM DMAC filters list as well\n", @@ -438,7 +453,7 @@ int otx2_get_maxflows(struct otx2_flow_config *flow_cfg) return 0; if (flow_cfg->nr_flows == flow_cfg->max_flows || - !bitmap_empty(&flow_cfg->dmacflt_bmap, + !bitmap_empty(flow_cfg->dmacflt_bmap, flow_cfg->dmacflt_max_flows)) return flow_cfg->max_flows + flow_cfg->dmacflt_max_flows; else @@ -1010,7 +1025,7 @@ static int otx2_add_flow_with_pfmac(struct otx2_nic *pfvf, otx2_add_flow_to_list(pfvf, pf_mac); pfvf->flow_cfg->nr_flows++; - set_bit(0, &pfvf->flow_cfg->dmacflt_bmap); + set_bit(0, pfvf->flow_cfg->dmacflt_bmap); return 0; } @@ -1064,7 +1079,7 @@ int otx2_add_flow(struct otx2_nic *pfvf, struct ethtool_rxnfc *nfc) return otx2_dmacflt_update(pfvf, eth_hdr->h_dest, flow->entry); - if (bitmap_full(&flow_cfg->dmacflt_bmap, + if (bitmap_full(flow_cfg->dmacflt_bmap, flow_cfg->dmacflt_max_flows)) { netdev_warn(pfvf->netdev, "Can't insert the rule %d as max allowed dmac filters are %d\n", @@ -1078,17 +1093,17 @@ int otx2_add_flow(struct otx2_nic *pfvf, struct ethtool_rxnfc *nfc) } /* Install PF mac address to DMAC filter list */ - if (!test_bit(0, &flow_cfg->dmacflt_bmap)) + if (!test_bit(0, flow_cfg->dmacflt_bmap)) otx2_add_flow_with_pfmac(pfvf, flow); flow->rule_type |= DMAC_FILTER_RULE; - flow->entry = find_first_zero_bit(&flow_cfg->dmacflt_bmap, + flow->entry = find_first_zero_bit(flow_cfg->dmacflt_bmap, flow_cfg->dmacflt_max_flows); fsp->location = flow_cfg->max_flows + flow->entry; flow->flow_spec.location = fsp->location; flow->location = fsp->location; - set_bit(flow->entry, &flow_cfg->dmacflt_bmap); + set_bit(flow->entry, flow_cfg->dmacflt_bmap); otx2_dmacflt_add(pfvf, eth_hdr->h_dest, flow->entry); } else { @@ -1154,11 +1169,12 @@ static void otx2_update_rem_pfmac(struct otx2_nic *pfvf, int req) if (req == DMAC_ADDR_DEL) { otx2_dmacflt_remove(pfvf, eth_hdr->h_dest, 0); - clear_bit(0, &pfvf->flow_cfg->dmacflt_bmap); + clear_bit(0, pfvf->flow_cfg->dmacflt_bmap); found = true; } else { ether_addr_copy(eth_hdr->h_dest, pfvf->netdev->dev_addr); + otx2_dmacflt_update(pfvf, eth_hdr->h_dest, 0); } break; @@ -1194,12 +1210,12 @@ int otx2_remove_flow(struct otx2_nic *pfvf, u32 location) err = otx2_dmacflt_remove(pfvf, eth_hdr->h_dest, flow->entry); - clear_bit(flow->entry, &flow_cfg->dmacflt_bmap); + clear_bit(flow->entry, flow_cfg->dmacflt_bmap); /* If all dmac filters are removed delete macfilter with * interface mac address and configure CGX/RPM block in * promiscuous mode */ - if (bitmap_weight(&flow_cfg->dmacflt_bmap, + if (bitmap_weight(flow_cfg->dmacflt_bmap, flow_cfg->dmacflt_max_flows) == 1) otx2_update_rem_pfmac(pfvf, DMAC_ADDR_DEL); } else { diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c index 9106c359e64c..9376d0e62914 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c @@ -1120,7 +1120,7 @@ static int otx2_cgx_config_loopback(struct otx2_nic *pf, bool enable) struct msg_req *msg; int err; - if (enable && !bitmap_empty(&pf->flow_cfg->dmacflt_bmap, + if (enable && !bitmap_empty(pf->flow_cfg->dmacflt_bmap, pf->flow_cfg->dmacflt_max_flows)) netdev_warn(pf->netdev, "CGX/RPM internal loopback might not work as DMAC filters are active\n");