From patchwork Wed Jan 24 05:50:14 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geetha sowjanya X-Patchwork-Id: 13528617 X-Patchwork-Delegate: kuba@kernel.org Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 53FCB168CC; Wed, 24 Jan 2024 05:50:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=67.231.148.174 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706075441; cv=none; b=mb8cxTSuQVeWMMg9Pq3aq47UgqUEAGdPsBJgVB2ZDtgFrYTas6c9CShszCwh++JQ6sBRPYhDEQeEsvdyzpL0PcRBgbTqHaJJIgdYPY1J1osF0tSju4QRQTe3qtz1S1VMQv4l9pW5pd0aoGbGELuAzQorkFb+LbwuCo8wOUp6qmU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706075441; c=relaxed/simple; bh=YQXSeZdKnPAHOvh2dEaSP6jDT3Re4UqFJmw1xeS7Cjw=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=BWCRobZv7HYlZjkkeN9mKjyUlU4hT8HQlb4Aau1S5hA13ZA5Xao36DNSw5EO9D161mfUtkURhx5mN5RFQDeN8enPt5pkS8b3l28DRERa9UmCm5yEJzLXdLNIsXJ7k0+OvwYhDlk+GA1UON99VLtYYSobTONtyq9xEXl7optCiXw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=marvell.com; spf=pass smtp.mailfrom=marvell.com; dkim=pass (2048-bit key) header.d=marvell.com header.i=@marvell.com header.b=C02Fa9uE; arc=none smtp.client-ip=67.231.148.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=marvell.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=marvell.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=marvell.com header.i=@marvell.com header.b="C02Fa9uE" Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 40NKRL4p004268; Tue, 23 Jan 2024 21:50:31 -0800 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-type; s=pfpt0220; bh=GlFmfCrQGChPejZv7IoVX qgtotEOnR9Q0pyCyJ+A5ps=; b=C02Fa9uEdyEMtk3XZ7g1iDKm4m7YYIqw98wI4 P9ytZpIrlYSt9da0JU0xyJBVWcpZsZRorfYjto/Z9VsCR4oy+yPtjDPg/+zLofZa 8r1cjc2M5wCeD5duIxGUEB21i2dPQ4AlTOn4Q7mhegmbECU8L6vrlLeqSxJpsnby 00Q4LIJuUgFUvf/4yOLwVVun4Dcf/gYeci/l35QyP/H8yvsaT/QLtohLxJBcL9QP S9RmF12gzyvYMnNjyFzHSM3UTUNSU7BYuDPLgQoh1pOfI9WbVAHMoUHbASRsI40G 3Io+l3uFcOI+SW/2HuDuzs9BfdaZfIRjTMEoBSQTmv5JcjDKA== Received: from dc5-exch02.marvell.com ([199.233.59.182]) by mx0a-0016f401.pphosted.com (PPS) with ESMTPS id 3vtmgs9ff7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 23 Jan 2024 21:50:31 -0800 (PST) Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Tue, 23 Jan 2024 21:50:29 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.48 via Frontend Transport; Tue, 23 Jan 2024 21:50:29 -0800 Received: from hyd1soter3.marvell.com (unknown [10.29.37.12]) by maili.marvell.com (Postfix) with ESMTP id 400C15B6947; Tue, 23 Jan 2024 21:50:26 -0800 (PST) From: Geetha sowjanya To: , CC: , , , , , , , Subject: [net-next PATCH 3/3] octeontx2-af: Cleanup loopback device checks Date: Wed, 24 Jan 2024 11:20:14 +0530 Message-ID: <20240124055014.32694-4-gakula@marvell.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240124055014.32694-1-gakula@marvell.com> References: <20240124055014.32694-1-gakula@marvell.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-GUID: 8IcYVRFa_3ZymQGdExcJ8Pn6N6MNpgkv X-Proofpoint-ORIG-GUID: 8IcYVRFa_3ZymQGdExcJ8Pn6N6MNpgkv X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-24_02,2024-01-23_02,2023-05-22_02 X-Patchwork-Delegate: kuba@kernel.org PCI device IDs of RVU device IDs are configurable and RVU PF0's (ie AF's) are currently assumed as VFs that identify loopback functionality ie LBKVFs. But in some cases these VFs can be setup for different functionality. Hence remove assumptions that AF's VFs are always LBK VFs by renaming 'is_afvf' as 'is_lbkvf' explicitly and also identify LBK VF using PCI dev ID. Similar change is done for other VF types. Signed-off-by: Geetha sowjanya Reviewed-by: Simon Horman --- .../net/ethernet/marvell/octeontx2/af/rvu.c | 11 +++++++++-- .../net/ethernet/marvell/octeontx2/af/rvu.h | 9 ++++++--- .../ethernet/marvell/octeontx2/af/rvu_nix.c | 18 +++++++++--------- .../ethernet/marvell/octeontx2/af/rvu_npc.c | 8 ++++---- .../ethernet/marvell/octeontx2/af/rvu_sdp.c | 6 +++++- 5 files changed, 33 insertions(+), 19 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c index 7048167707d1..edd12d09dc89 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c @@ -1484,7 +1484,7 @@ int rvu_get_nix_blkaddr(struct rvu *rvu, u16 pcifunc) /* All CGX mapped PFs are set with assigned NIX block during init */ if (is_pf_cgxmapped(rvu, rvu_get_pf(pcifunc))) { blkaddr = pf->nix_blkaddr; - } else if (is_afvf(pcifunc)) { + } else if (is_lbk_vf(rvu, pcifunc)) { vf = pcifunc - 1; /* Assign NIX based on VF number. All even numbered VFs get * NIX0 and odd numbered gets NIX1 @@ -2034,7 +2034,7 @@ int rvu_mbox_handler_set_vf_perm(struct rvu *rvu, struct set_vf_perm *req, u16 target; /* Only PF can add VF permissions */ - if ((pcifunc & RVU_PFVF_FUNC_MASK) || is_afvf(pcifunc)) + if ((pcifunc & RVU_PFVF_FUNC_MASK) || is_lbk_vf(rvu, pcifunc)) return -EOPNOTSUPP; target = (pcifunc & ~RVU_PFVF_FUNC_MASK) | (req->vf + 1); @@ -3154,6 +3154,7 @@ static int rvu_enable_sriov(struct rvu *rvu) { struct pci_dev *pdev = rvu->pdev; int err, chans, vfs; + int pos = 0; if (!rvu_afvf_msix_vectors_num_ok(rvu)) { dev_warn(&pdev->dev, @@ -3161,6 +3162,12 @@ static int rvu_enable_sriov(struct rvu *rvu) return 0; } + /* Get RVU VFs device id */ + pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV); + if (!pos) + return 0; + pci_read_config_word(pdev, pos + PCI_SRIOV_VF_DID, &rvu->vf_devid); + chans = rvu_get_num_lbk_chans(); if (chans < 0) return chans; diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h index 6971f441c22b..7d6c1f0e601f 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h @@ -514,6 +514,7 @@ struct rvu { struct mutex rsrc_lock; /* Serialize resource alloc/free */ struct mutex alias_lock; /* Serialize bar2 alias access */ int vfs; /* Number of VFs attached to RVU */ + u16 vf_devid; /* VF devices id */ int nix_blkaddr[MAX_NIX_BLKS]; /* Mbox */ @@ -743,9 +744,11 @@ static inline bool is_rvu_supports_nix1(struct rvu *rvu) /* Function Prototypes * RVU */ -static inline bool is_afvf(u16 pcifunc) +#define RVU_LBK_VF_DEVID 0xF8 +static inline bool is_lbk_vf(struct rvu *rvu, u16 pcifunc) { - return !(pcifunc & ~RVU_PFVF_FUNC_MASK); + return (!(pcifunc & ~RVU_PFVF_FUNC_MASK) && + (rvu->vf_devid == RVU_LBK_VF_DEVID)); } static inline bool is_vf(u16 pcifunc) @@ -805,7 +808,7 @@ void rvu_aq_free(struct rvu *rvu, struct admin_queue *aq); int rvu_sdp_init(struct rvu *rvu); bool is_sdp_pfvf(u16 pcifunc); bool is_sdp_pf(u16 pcifunc); -bool is_sdp_vf(u16 pcifunc); +bool is_sdp_vf(struct rvu *rvu, u16 pcifunc); /* CGX APIs */ static inline bool is_pf_cgxmapped(struct rvu *rvu, u8 pf) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c index 7b99fa272c6b..4426d28bace7 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c @@ -545,7 +545,7 @@ void rvu_nix_flr_free_bpids(struct rvu *rvu, u16 pcifunc) struct nix_hw *nix_hw; struct nix_bp *bp; - if (!is_afvf(pcifunc)) + if (!is_lbk_vf(rvu, pcifunc)) return; err = nix_get_struct_ptrs(rvu, pcifunc, &nix_hw, &blkaddr); @@ -686,7 +686,7 @@ static int nix_bp_disable(struct rvu *rvu, u64 cfg; pf = rvu_get_pf(pcifunc); - type = is_afvf(pcifunc) ? NIX_INTF_TYPE_LBK : NIX_INTF_TYPE_CGX; + type = is_lbk_vf(rvu, pcifunc) ? NIX_INTF_TYPE_LBK : NIX_INTF_TYPE_CGX; if (!is_pf_cgxmapped(rvu, pf) && type != NIX_INTF_TYPE_LBK) return 0; @@ -850,7 +850,7 @@ static int nix_bp_enable(struct rvu *rvu, u64 cfg; pf = rvu_get_pf(pcifunc); - type = is_afvf(pcifunc) ? NIX_INTF_TYPE_LBK : NIX_INTF_TYPE_CGX; + type = is_lbk_vf(rvu, pcifunc) ? NIX_INTF_TYPE_LBK : NIX_INTF_TYPE_CGX; if (is_sdp_pfvf(pcifunc)) type = NIX_INTF_TYPE_SDP; @@ -1796,7 +1796,7 @@ int rvu_mbox_handler_nix_lf_alloc(struct rvu *rvu, cfg = NPC_TX_DEF_PKIND; rvu_write64(rvu, blkaddr, NIX_AF_LFX_TX_PARSE_CFG(nixlf), cfg); - intf = is_afvf(pcifunc) ? NIX_INTF_TYPE_LBK : NIX_INTF_TYPE_CGX; + intf = is_lbk_vf(rvu, pcifunc) ? NIX_INTF_TYPE_LBK : NIX_INTF_TYPE_CGX; if (is_sdp_pfvf(pcifunc)) intf = NIX_INTF_TYPE_SDP; @@ -2172,7 +2172,7 @@ static int nix_get_tx_link(struct rvu *rvu, u16 pcifunc) int pf = rvu_get_pf(pcifunc); u8 cgx_id = 0, lmac_id = 0; - if (is_afvf(pcifunc)) {/* LBK links */ + if (is_lbk_vf(rvu, pcifunc)) {/* LBK links */ return hw->cgx_links; } else if (is_pf_cgxmapped(rvu, pf)) { rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id); @@ -2189,7 +2189,7 @@ static void nix_get_txschq_range(struct rvu *rvu, u16 pcifunc, struct rvu_hwinfo *hw = rvu->hw; int pf = rvu_get_pf(pcifunc); - if (is_afvf(pcifunc)) { /* LBK links */ + if (is_lbk_vf(rvu, pcifunc)) { /* LBK links */ *start = hw->cap.nix_txsch_per_cgx_lmac * link; *end = *start + hw->cap.nix_txsch_per_lbk_lmac; } else if (is_pf_cgxmapped(rvu, pf)) { /* CGX links */ @@ -3629,7 +3629,7 @@ static int nix_update_mce_rule(struct rvu *rvu, u16 pcifunc, int pf; /* skip multicast pkt replication for AF's VFs & SDP links */ - if (is_afvf(pcifunc) || is_sdp_pfvf(pcifunc)) + if (is_lbk_vf(rvu, pcifunc) || is_sdp_pfvf(pcifunc)) return 0; if (!hw->cap.nix_rx_multicast) @@ -3976,7 +3976,7 @@ int rvu_mbox_handler_nix_get_hw_info(struct rvu *rvu, struct msg_req *req, if (blkaddr < 0) return NIX_AF_ERR_AF_LF_INVALID; - if (is_afvf(pcifunc)) + if (is_lbk_vf(rvu, pcifunc)) rvu_get_lbk_link_max_frs(rvu, &rsp->max_mtu); else rvu_get_lmac_link_max_frs(rvu, &rsp->max_mtu); @@ -4693,7 +4693,7 @@ int rvu_mbox_handler_nix_set_hw_frs(struct rvu *rvu, struct nix_frs_cfg *req, if (!nix_hw) return NIX_AF_ERR_INVALID_NIXBLK; - if (is_afvf(pcifunc)) + if (is_lbk_vf(rvu, pcifunc)) rvu_get_lbk_link_max_frs(rvu, &max_mtu); else rvu_get_lmac_link_max_frs(rvu, &max_mtu); diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c index 167145bdcb75..da3573b0dfc2 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c @@ -417,7 +417,7 @@ static void npc_fixup_vf_rule(struct rvu *rvu, struct npc_mcam *mcam, owner = mcam->entry2pfvf_map[index]; target_func = (entry->action >> 4) & 0xffff; /* do nothing when target is LBK/PF or owner is not PF */ - if (is_pffunc_af(owner) || is_afvf(target_func) || + if (is_pffunc_af(owner) || is_lbk_vf(rvu, target_func) || (owner & RVU_PFVF_FUNC_MASK) || !(target_func & RVU_PFVF_FUNC_MASK)) return; @@ -626,7 +626,7 @@ void rvu_npc_install_ucast_entry(struct rvu *rvu, u16 pcifunc, int blkaddr, index; /* AF's and SDP VFs work in promiscuous mode */ - if (is_afvf(pcifunc) || is_sdp_vf(pcifunc)) + if (is_lbk_vf(rvu, pcifunc) || is_sdp_vf(rvu, pcifunc)) return; blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0); @@ -791,7 +791,7 @@ void rvu_npc_install_bcast_match_entry(struct rvu *rvu, u16 pcifunc, return; /* Skip LBK VFs */ - if (is_afvf(pcifunc)) + if (is_lbk_vf(rvu, pcifunc)) return; /* If pkt replication is not supported, @@ -871,7 +871,7 @@ void rvu_npc_install_allmulti_entry(struct rvu *rvu, u16 pcifunc, int nixlf, u16 vf_func; /* Only CGX PF/VF can add allmulticast entry */ - if (is_afvf(pcifunc) && is_sdp_vf(pcifunc)) + if (is_lbk_vf(rvu, pcifunc) && is_sdp_vf(rvu, pcifunc)) return; blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0); diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_sdp.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_sdp.c index ae50d56258ec..e249f42ef630 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_sdp.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_sdp.c @@ -40,8 +40,12 @@ bool is_sdp_pf(u16 pcifunc) !(pcifunc & RVU_PFVF_FUNC_MASK)); } -bool is_sdp_vf(u16 pcifunc) +#define RVU_SDP_VF_DEVID 0xF7 +bool is_sdp_vf(struct rvu *rvu, u16 pcifunc) { + if (!(pcifunc & ~RVU_PFVF_FUNC_MASK)) + return (rvu->vf_devid == RVU_SDP_VF_DEVID); + return (is_sdp_pfvf(pcifunc) && !!(pcifunc & RVU_PFVF_FUNC_MASK)); }