From patchwork Sat Nov 18 18:01:56 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suman Ghosh X-Patchwork-Id: 13460230 X-Patchwork-Delegate: kuba@kernel.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=marvell.com header.i=@marvell.com header.b="MMfZC8Kq" Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5ECC5D49; Sat, 18 Nov 2023 10:02:26 -0800 (PST) Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3AIHTfc7021194; Sat, 18 Nov 2023 10:02:11 -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-transfer-encoding : content-type; s=pfpt0220; bh=RgyItddmJ09vEOz3IEXinlZ4v0hBVHqUIS1pzyMcA1Q=; b=MMfZC8KqV/8uAoYpgJUzCRqc995dWONMGaay6ag5X6K7x6ow9sKPOsynrsdhh9SCd79P i0hEUYMS0kz+iObrZFo3sTkXQexp/OtRFf75qxF5LW+9y2227jRD78p//1YjedVAwF/1 dWmdAYsAlJ+w8J76WM+ICXqgVzp0N0GitZFcT7NOuDJ5ozJE0cuiCvgWJB0/Pg6XVJaD 67GKphhyrS/ld0UWX0umrNy56AzjqONjVQpqxI5C19A/OEX+HfSPzxXSDfGLJggjt2aM F2D1rPDqMIENrDp5oHT0Yo58YVig/zosBCs2R7ZB7EnFuKw0D3QellglqIc/s7Ws4ego Bg== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0b-0016f401.pphosted.com (PPS) with ESMTPS id 3uewnvre4f-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Sat, 18 Nov 2023 10:02:11 -0800 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Sat, 18 Nov 2023 10:02:09 -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; Sat, 18 Nov 2023 10:02:09 -0800 Received: from localhost.localdomain (unknown [10.28.36.166]) by maili.marvell.com (Postfix) with ESMTP id BACF03F706A; Sat, 18 Nov 2023 10:02:05 -0800 (PST) From: Suman Ghosh To: , , , , , , , , , , , CC: Suman Ghosh Subject: [net-next PATCH v2 1/2] octeontx2-af: Add new mbox to support multicast/mirror offload Date: Sat, 18 Nov 2023 23:31:56 +0530 Message-ID: <20231118180157.3593084-2-sumang@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231118180157.3593084-1-sumang@marvell.com> References: <20231118180157.3593084-1-sumang@marvell.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-GUID: iuKmejoKQZKm0inz5sv1hMVeuXphrK_9 X-Proofpoint-ORIG-GUID: iuKmejoKQZKm0inz5sv1hMVeuXphrK_9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-18_14,2023-11-17_01,2023-05-22_02 X-Patchwork-Delegate: kuba@kernel.org A new mailbox is added to support offloading of multicast/mirror functionality. The mailbox also supports dynamic updation of the multicast/mirror list. Signed-off-by: Suman Ghosh --- .../net/ethernet/marvell/octeontx2/af/mbox.h | 64 ++ .../net/ethernet/marvell/octeontx2/af/rvu.c | 6 +- .../net/ethernet/marvell/octeontx2/af/rvu.h | 39 +- .../ethernet/marvell/octeontx2/af/rvu_nix.c | 686 +++++++++++++++++- .../ethernet/marvell/octeontx2/af/rvu_npc.c | 14 +- .../marvell/octeontx2/af/rvu_npc_fs.c | 66 +- 6 files changed, 839 insertions(+), 36 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h index 6845556581c3..a833507c449f 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h @@ -304,6 +304,13 @@ M(NIX_BANDPROF_GET_HWINFO, 0x801f, nix_bandprof_get_hwinfo, msg_req, \ nix_bandprof_get_hwinfo_rsp) \ M(NIX_READ_INLINE_IPSEC_CFG, 0x8023, nix_read_inline_ipsec_cfg, \ msg_req, nix_inline_ipsec_cfg) \ +M(NIX_MCAST_GRP_CREATE, 0x802b, nix_mcast_grp_create, nix_mcast_grp_create_req, \ + nix_mcast_grp_create_rsp) \ +M(NIX_MCAST_GRP_DESTROY, 0x802c, nix_mcast_grp_destroy, nix_mcast_grp_destroy_req, \ + msg_rsp) \ +M(NIX_MCAST_GRP_UPDATE, 0x802d, nix_mcast_grp_update, \ + nix_mcast_grp_update_req, \ + nix_mcast_grp_update_rsp) \ /* MCS mbox IDs (range 0xA000 - 0xBFFF) */ \ M(MCS_ALLOC_RESOURCES, 0xa000, mcs_alloc_resources, mcs_alloc_rsrc_req, \ mcs_alloc_rsrc_rsp) \ @@ -830,6 +837,9 @@ enum nix_af_status { NIX_AF_ERR_CQ_CTX_WRITE_ERR = -429, NIX_AF_ERR_AQ_CTX_RETRY_WRITE = -430, NIX_AF_ERR_LINK_CREDITS = -431, + NIX_AF_ERR_INVALID_MCAST_GRP = -436, + NIX_AF_ERR_INVALID_MCAST_DEL_REQ = -437, + NIX_AF_ERR_NON_CONTIG_MCE_LIST = -438, }; /* For NIX RX vtag action */ @@ -1204,6 +1214,60 @@ struct nix_bp_cfg_rsp { u8 chan_cnt; /* Number of channel for which bpids are assigned */ }; +struct nix_mcast_grp_create_req { + struct mbox_msghdr hdr; +#define NIX_MCAST_INGRESS 0 +#define NIX_MCAST_EGRESS 1 + u8 dir; + u8 reserved[11]; + /* Reserving few bytes for future requirement */ +}; + +struct nix_mcast_grp_create_rsp { + struct mbox_msghdr hdr; + /* This mcast_grp_idx should be passed during MCAM + * write entry for multicast. AF will identify the + * corresponding multicast table index associated + * with the group id and program the same to MCAM entry. + * This group id is also needed during group delete + * and update request. + */ + u32 mcast_grp_idx; +}; + +struct nix_mcast_grp_destroy_req { + struct mbox_msghdr hdr; + /* Group id returned by nix_mcast_grp_create_rsp */ + u32 mcast_grp_idx; +}; + +struct nix_mcast_grp_update_req { + struct mbox_msghdr hdr; + /* Group id returned by nix_mcast_grp_create_rsp */ + u32 mcast_grp_idx; + /* Number of multicast/mirror entries requested */ + u32 num_mce_entry; +#define NIX_MCE_ENTRY_MAX 64 +#define NIX_RX_RQ 0 +#define NIX_RX_RSS 1 + /* Receive queue or RSS index within pf_func */ + u32 rq_rss_index[NIX_MCE_ENTRY_MAX]; + /* pcifunc is required for both ingress and egress multicast */ + u16 pcifunc[NIX_MCE_ENTRY_MAX]; + /* channel is required for egress multicast */ + u16 channel[NIX_MCE_ENTRY_MAX]; +#define NIX_MCAST_OP_ADD_ENTRY 0 +#define NIX_MCAST_OP_DEL_ENTRY 1 + /* Destination type. 0:Receive queue, 1:RSS*/ + u8 dest_type[NIX_MCE_ENTRY_MAX]; + u8 op; +}; + +struct nix_mcast_grp_update_rsp { + struct mbox_msghdr hdr; + u32 mce_start_index; +}; + /* Global NIX inline IPSec configuration */ struct nix_inline_ipsec_cfg { struct mbox_msghdr hdr; diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c index 22c395c7d040..7cd98f013fde 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c @@ -156,7 +156,7 @@ int rvu_alloc_rsrc_contig(struct rsrc_bmap *rsrc, int nrsrc) return start; } -static void rvu_free_rsrc_contig(struct rsrc_bmap *rsrc, int nrsrc, int start) +void rvu_free_rsrc_contig(struct rsrc_bmap *rsrc, int nrsrc, int start) { if (!rsrc->bmap) return; @@ -2614,6 +2614,10 @@ static void __rvu_flr_handler(struct rvu *rvu, u16 pcifunc) * 2. Flush and reset SSO/SSOW * 3. Cleanup pools (NPA) */ + + /* Free multicast/mirror node associated with the 'pcifunc' */ + rvu_nix_mcast_flr_free_entries(rvu, pcifunc); + rvu_blklf_teardown(rvu, pcifunc, BLKADDR_NIX0); rvu_blklf_teardown(rvu, pcifunc, BLKADDR_NIX1); rvu_blklf_teardown(rvu, pcifunc, BLKADDR_CPT0); diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h index c4d999ef5ab4..a3de437f309e 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h @@ -116,11 +116,12 @@ struct rvu_block { }; struct nix_mcast { - struct qmem *mce_ctx; - struct qmem *mcast_buf; - int replay_pkind; - int next_free_mce; - struct mutex mce_lock; /* Serialize MCE updates */ + struct qmem *mce_ctx; + struct qmem *mcast_buf; + int replay_pkind; + struct rsrc_bmap mce_counter[2]; + /* Counters for both ingress and egress mcast lists */ + struct mutex mce_lock; /* Serialize MCE updates */ }; struct nix_mce_list { @@ -129,6 +130,23 @@ struct nix_mce_list { int max; }; +struct nix_mcast_grp_elem { + struct nix_mce_list mcast_mce_list; + u32 mcast_grp_idx; + u32 pcifunc; + int mcam_index; + int mce_start_index; + struct list_head list; + u8 dir; +}; + +struct nix_mcast_grp { + struct list_head mcast_grp_head; + int count; + int next_grp_index; + struct mutex mcast_grp_lock; /* Serialize MCE updates */ +}; + /* layer metadata to uniquely identify a packet header field */ struct npc_layer_mdata { u8 lid; @@ -339,6 +357,7 @@ struct nix_hw { struct rvu *rvu; struct nix_txsch txsch[NIX_TXSCH_LVL_CNT]; /* Tx schedulers */ struct nix_mcast mcast; + struct nix_mcast_grp mcast_grp; struct nix_flowkey flowkey; struct nix_mark_format mark_format; struct nix_lso lso; @@ -741,6 +760,7 @@ void rvu_free_rsrc(struct rsrc_bmap *rsrc, int id); bool is_rsrc_free(struct rsrc_bmap *rsrc, int id); int rvu_rsrc_free_count(struct rsrc_bmap *rsrc); int rvu_alloc_rsrc_contig(struct rsrc_bmap *rsrc, int nrsrc); +void rvu_free_rsrc_contig(struct rsrc_bmap *rsrc, int nrsrc, int start); bool rvu_rsrc_check_contig(struct rsrc_bmap *rsrc, int nrsrc); u16 rvu_get_rsrc_mapcount(struct rvu_pfvf *pfvf, int blkaddr); int rvu_get_pf(u16 pcifunc); @@ -847,6 +867,11 @@ u32 convert_dwrr_mtu_to_bytes(u8 dwrr_mtu); u32 convert_bytes_to_dwrr_mtu(u32 bytes); void rvu_nix_tx_tl2_cfg(struct rvu *rvu, int blkaddr, u16 pcifunc, struct nix_txsch *txsch, bool enable); +void rvu_nix_mcast_flr_free_entries(struct rvu *rvu, u16 pcifunc); +int rvu_nix_mcast_get_mce_index(struct rvu *rvu, u16 pcifunc, + u32 mcast_grp_idx); +int rvu_nix_mcast_update_mcam_entry(struct rvu *rvu, u16 pcifunc, + u32 mcast_grp_idx, u16 mcam_index); /* NPC APIs */ void rvu_npc_freemem(struct rvu *rvu); @@ -895,6 +920,10 @@ void npc_mcam_enable_flows(struct rvu *rvu, u16 target); void npc_mcam_disable_flows(struct rvu *rvu, u16 target); void npc_enable_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam, int blkaddr, int index, bool enable); +u64 npc_get_mcam_action(struct rvu *rvu, struct npc_mcam *mcam, + int blkaddr, int index); +void npc_set_mcam_action(struct rvu *rvu, struct npc_mcam *mcam, + int blkaddr, int index, u64 cfg); void npc_read_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam, int blkaddr, u16 src, struct mcam_entry *entry, u8 *intf, u8 *ena); diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c index 23c2f2ed2fb8..e85ca66c5964 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c @@ -71,12 +71,19 @@ enum nix_makr_fmt_indexes { /* For now considering MC resources needed for broadcast * pkt replication only. i.e 256 HWVFs + 12 PFs. */ -#define MC_TBL_SIZE MC_TBL_SZ_512 -#define MC_BUF_CNT MC_BUF_CNT_128 +#define MC_TBL_SIZE MC_TBL_SZ_2K +#define MC_BUF_CNT MC_BUF_CNT_1024 + +#define MC_TX_MAX 2048 struct mce { struct hlist_node node; + u32 rq_rss_index; u16 pcifunc; + u16 channel; + u8 dest_type; + u8 is_active; + u8 reserved[2]; }; int rvu_get_next_nix_blkaddr(struct rvu *rvu, int blkaddr) @@ -164,18 +171,33 @@ static void nix_mce_list_init(struct nix_mce_list *list, int max) list->max = max; } -static u16 nix_alloc_mce_list(struct nix_mcast *mcast, int count) +static int nix_alloc_mce_list(struct nix_mcast *mcast, int count, u8 dir) { + struct rsrc_bmap *mce_counter; int idx; if (!mcast) - return 0; + return -EINVAL; - idx = mcast->next_free_mce; - mcast->next_free_mce += count; + mce_counter = &mcast->mce_counter[dir]; + if (!rvu_rsrc_check_contig(mce_counter, count)) + return -ENOSPC; + + idx = rvu_alloc_rsrc_contig(mce_counter, count); return idx; } +static void nix_free_mce_list(struct nix_mcast *mcast, int count, int start, u8 dir) +{ + struct rsrc_bmap *mce_counter; + + if (!mcast) + return; + + mce_counter = &mcast->mce_counter[dir]; + rvu_free_rsrc_contig(mce_counter, count, start); +} + struct nix_hw *get_nix_hw(struct rvu_hwinfo *hw, int blkaddr) { int nix_blkaddr = 0, i = 0; @@ -2955,7 +2977,8 @@ int rvu_mbox_handler_nix_vtag_cfg(struct rvu *rvu, } static int nix_blk_setup_mce(struct rvu *rvu, struct nix_hw *nix_hw, - int mce, u8 op, u16 pcifunc, int next, bool eol) + int mce, u8 op, u16 pcifunc, int next, + int index, u8 mce_op, bool eol) { struct nix_aq_enq_req aq_req; int err; @@ -2966,8 +2989,8 @@ static int nix_blk_setup_mce(struct rvu *rvu, struct nix_hw *nix_hw, aq_req.qidx = mce; /* Use RSS with RSS index 0 */ - aq_req.mce.op = 1; - aq_req.mce.index = 0; + aq_req.mce.op = mce_op; + aq_req.mce.index = index; aq_req.mce.eol = eol; aq_req.mce.pf_func = pcifunc; aq_req.mce.next = next; @@ -2984,6 +3007,208 @@ static int nix_blk_setup_mce(struct rvu *rvu, struct nix_hw *nix_hw, return 0; } +static void nix_delete_mcast_mce_list(struct nix_mce_list *mce_list) +{ + struct hlist_node *tmp; + struct mce *mce; + + /* Scan through the current list */ + hlist_for_each_entry_safe(mce, tmp, &mce_list->head, node) { + hlist_del(&mce->node); + kfree(mce); + } + + mce_list->count = 0; + mce_list->max = 0; +} + +static int nix_get_last_mce_list_index(struct nix_mcast_grp_elem *elem) +{ + return elem->mce_start_index + elem->mcast_mce_list.count - 1; +} + +static int nix_update_ingress_mce_list_hw(struct rvu *rvu, + struct nix_hw *nix_hw, + struct nix_mcast_grp_elem *elem) +{ + int idx, last_idx, next_idx, err; + struct nix_mce_list *mce_list; + struct mce *mce, *prev_mce; + + mce_list = &elem->mcast_mce_list; + idx = elem->mce_start_index; + last_idx = nix_get_last_mce_list_index(elem); + hlist_for_each_entry(mce, &mce_list->head, node) { + if (idx > last_idx) + break; + + if (!mce->is_active) { + if (idx == elem->mce_start_index) { + idx++; + prev_mce = mce; + elem->mce_start_index = idx; + continue; + } else if (idx == last_idx) { + err = nix_blk_setup_mce(rvu, nix_hw, idx - 1, NIX_AQ_INSTOP_WRITE, + prev_mce->pcifunc, next_idx, + prev_mce->rq_rss_index, + prev_mce->dest_type, + false); + if (err) + return err; + + break; + } + } + + next_idx = idx + 1; + /* EOL should be set in last MCE */ + err = nix_blk_setup_mce(rvu, nix_hw, idx, NIX_AQ_INSTOP_WRITE, + mce->pcifunc, next_idx, + mce->rq_rss_index, mce->dest_type, + (next_idx > last_idx) ? true : false); + if (err) + return err; + + idx++; + prev_mce = mce; + } + + return 0; +} + +static void nix_update_egress_mce_list_hw(struct rvu *rvu, + struct nix_hw *nix_hw, + struct nix_mcast_grp_elem *elem) +{ + struct nix_mce_list *mce_list; + int idx, last_idx, next_idx; + struct mce *mce, *prev_mce; + u64 regval; + u8 eol; + + mce_list = &elem->mcast_mce_list; + idx = elem->mce_start_index; + last_idx = nix_get_last_mce_list_index(elem); + hlist_for_each_entry(mce, &mce_list->head, node) { + if (idx > last_idx) + break; + + if (!mce->is_active) { + if (idx == elem->mce_start_index) { + idx++; + prev_mce = mce; + elem->mce_start_index = idx; + continue; + } else if (idx == last_idx) { + regval = (next_idx << 16) | (1 << 12) | prev_mce->channel; + rvu_write64(rvu, nix_hw->blkaddr, + NIX_AF_TX_MCASTX(idx - 1), + regval); + break; + } + } + + eol = 0; + next_idx = idx + 1; + /* EOL should be set in last MCE */ + if (next_idx > last_idx) + eol = 1; + + regval = (next_idx << 16) | (eol << 12) | mce->channel; + rvu_write64(rvu, nix_hw->blkaddr, + NIX_AF_TX_MCASTX(idx), + regval); + idx++; + prev_mce = mce; + } +} + +static int nix_del_mce_list_entry(struct rvu *rvu, + struct nix_hw *nix_hw, + struct nix_mcast_grp_elem *elem, + struct nix_mcast_grp_update_req *req) +{ + u32 num_entry = req->num_mce_entry; + struct nix_mce_list *mce_list; + struct mce *mce; + bool is_found; + int i; + + mce_list = &elem->mcast_mce_list; + for (i = 0; i < num_entry; i++) { + is_found = false; + hlist_for_each_entry(mce, &mce_list->head, node) { + /* If already exists, then delete */ + if (mce->pcifunc == req->pcifunc[i]) { + hlist_del(&mce->node); + kfree(mce); + mce_list->count--; + is_found = true; + break; + } + } + + if (!is_found) + return NIX_AF_ERR_INVALID_MCAST_DEL_REQ; + } + + mce_list->max = mce_list->count; + /* Dump the updated list to HW */ + if (elem->dir == NIX_MCAST_INGRESS) + return nix_update_ingress_mce_list_hw(rvu, nix_hw, elem); + + nix_update_egress_mce_list_hw(rvu, nix_hw, elem); + return 0; +} + +static int nix_add_mce_list_entry(struct rvu *rvu, + struct nix_hw *nix_hw, + struct nix_mcast_grp_elem *elem, + struct nix_mcast_grp_update_req *req) +{ + struct mce *tmp_mce[NIX_MCE_ENTRY_MAX]; + u32 num_entry = req->num_mce_entry; + struct nix_mce_list *mce_list; + struct mce *mce; + int i; + + mce_list = &elem->mcast_mce_list; + for (i = 0; i < num_entry; i++) { + mce = kzalloc(sizeof(*mce), GFP_KERNEL); + if (!mce) + goto free_mce; + + mce->pcifunc = req->pcifunc[i]; + mce->channel = req->channel[i]; + mce->rq_rss_index = req->rq_rss_index[i]; + mce->dest_type = req->dest_type[i]; + mce->is_active = 1; + hlist_add_head(&mce->node, &mce_list->head); + tmp_mce[i] = mce; + mce_list->count++; + } + + mce_list->max += num_entry; + + /* Dump the updated list to HW */ + if (elem->dir == NIX_MCAST_INGRESS) + return nix_update_ingress_mce_list_hw(rvu, nix_hw, elem); + + nix_update_egress_mce_list_hw(rvu, nix_hw, elem); + return 0; + +free_mce: + while (i) { + hlist_del(&tmp_mce[i]->node); + kfree(tmp_mce[i]); + mce_list->count--; + i--; + } + + return -ENOMEM; +} + static int nix_update_mce_list_entry(struct nix_mce_list *mce_list, u16 pcifunc, bool add) { @@ -3079,6 +3304,7 @@ int nix_update_mce_list(struct rvu *rvu, u16 pcifunc, /* EOL should be set in last MCE */ err = nix_blk_setup_mce(rvu, nix_hw, idx, NIX_AQ_INSTOP_WRITE, mce->pcifunc, next_idx, + 0, 1, (next_idx > last_idx) ? true : false); if (err) goto end; @@ -3159,6 +3385,16 @@ static int nix_update_mce_rule(struct rvu *rvu, u16 pcifunc, return err; } +static void nix_setup_mcast_grp(struct nix_hw *nix_hw) +{ + struct nix_mcast_grp *mcast_grp = &nix_hw->mcast_grp; + + INIT_LIST_HEAD(&mcast_grp->mcast_grp_head); + mutex_init(&mcast_grp->mcast_grp_lock); + mcast_grp->next_grp_index = 1; + mcast_grp->count = 0; +} + static int nix_setup_mce_tables(struct rvu *rvu, struct nix_hw *nix_hw) { struct nix_mcast *mcast = &nix_hw->mcast; @@ -3183,15 +3419,15 @@ static int nix_setup_mce_tables(struct rvu *rvu, struct nix_hw *nix_hw) continue; /* save start idx of broadcast mce list */ - pfvf->bcast_mce_idx = nix_alloc_mce_list(mcast, numvfs + 1); + pfvf->bcast_mce_idx = nix_alloc_mce_list(mcast, numvfs + 1, NIX_MCAST_INGRESS); nix_mce_list_init(&pfvf->bcast_mce_list, numvfs + 1); /* save start idx of multicast mce list */ - pfvf->mcast_mce_idx = nix_alloc_mce_list(mcast, numvfs + 1); + pfvf->mcast_mce_idx = nix_alloc_mce_list(mcast, numvfs + 1, NIX_MCAST_INGRESS); nix_mce_list_init(&pfvf->mcast_mce_list, numvfs + 1); /* save the start idx of promisc mce list */ - pfvf->promisc_mce_idx = nix_alloc_mce_list(mcast, numvfs + 1); + pfvf->promisc_mce_idx = nix_alloc_mce_list(mcast, numvfs + 1, NIX_MCAST_INGRESS); nix_mce_list_init(&pfvf->promisc_mce_list, numvfs + 1); for (idx = 0; idx < (numvfs + 1); idx++) { @@ -3206,7 +3442,7 @@ static int nix_setup_mce_tables(struct rvu *rvu, struct nix_hw *nix_hw) err = nix_blk_setup_mce(rvu, nix_hw, pfvf->bcast_mce_idx + idx, NIX_AQ_INSTOP_INIT, - pcifunc, 0, true); + pcifunc, 0, 0, 1, true); if (err) return err; @@ -3214,7 +3450,7 @@ static int nix_setup_mce_tables(struct rvu *rvu, struct nix_hw *nix_hw) err = nix_blk_setup_mce(rvu, nix_hw, pfvf->mcast_mce_idx + idx, NIX_AQ_INSTOP_INIT, - pcifunc, 0, true); + pcifunc, 0, 0, 1, true); if (err) return err; @@ -3222,7 +3458,7 @@ static int nix_setup_mce_tables(struct rvu *rvu, struct nix_hw *nix_hw) err = nix_blk_setup_mce(rvu, nix_hw, pfvf->promisc_mce_idx + idx, NIX_AQ_INSTOP_INIT, - pcifunc, 0, true); + pcifunc, 0, 0, 1, true); if (err) return err; } @@ -3237,11 +3473,25 @@ static int nix_setup_mcast(struct rvu *rvu, struct nix_hw *nix_hw, int blkaddr) int err, size; size = (rvu_read64(rvu, blkaddr, NIX_AF_CONST3) >> 16) & 0x0F; - size = (1ULL << size); + size = BIT_ULL(size); + + /* Allocate bitmap for rx mce entries */ + mcast->mce_counter[NIX_MCAST_INGRESS].max = 256UL << MC_TBL_SIZE; + err = rvu_alloc_bitmap(&mcast->mce_counter[NIX_MCAST_INGRESS]); + if (err) + return -ENOMEM; + + /* Allocate bitmap for tx mce entries */ + mcast->mce_counter[NIX_MCAST_EGRESS].max = MC_TX_MAX; + err = rvu_alloc_bitmap(&mcast->mce_counter[NIX_MCAST_EGRESS]); + if (err) { + rvu_free_bitmap(&mcast->mce_counter[NIX_MCAST_INGRESS]); + return -ENOMEM; + } /* Alloc memory for multicast/mirror replication entries */ err = qmem_alloc(rvu->dev, &mcast->mce_ctx, - (256UL << MC_TBL_SIZE), size); + mcast->mce_counter[NIX_MCAST_INGRESS].max, size); if (err) return -ENOMEM; @@ -3271,6 +3521,8 @@ static int nix_setup_mcast(struct rvu *rvu, struct nix_hw *nix_hw, int blkaddr) mutex_init(&mcast->mce_lock); + nix_setup_mcast_grp(nix_hw); + return nix_setup_mce_tables(rvu, nix_hw); } @@ -4794,6 +5046,78 @@ void rvu_nix_freemem(struct rvu *rvu) } } +static void nix_mcast_update_action(struct rvu *rvu, + struct nix_mcast_grp_elem *elem) +{ + struct npc_mcam *mcam = &rvu->hw->mcam; + struct nix_rx_action rx_action = { 0 }; + struct nix_tx_action tx_action = { 0 }; + int npc_blkaddr; + + npc_blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0); + if (elem->dir == NIX_MCAST_INGRESS) { + *(u64 *)&rx_action = npc_get_mcam_action(rvu, mcam, + npc_blkaddr, + elem->mcam_index); + rx_action.index = elem->mce_start_index; + npc_set_mcam_action(rvu, mcam, npc_blkaddr, elem->mcam_index, + *(u64 *)&rx_action); + } else { + *(u64 *)&tx_action = npc_get_mcam_action(rvu, mcam, + npc_blkaddr, + elem->mcam_index); + tx_action.index = elem->mce_start_index; + npc_set_mcam_action(rvu, mcam, npc_blkaddr, elem->mcam_index, + *(u64 *)&tx_action); + } +} + +static void nix_mcast_update_mce_entry(struct rvu *rvu, u16 pcifunc, u8 is_active) +{ + struct nix_mcast_grp_elem *elem; + struct nix_mcast_grp *mcast_grp; + struct nix_hw *nix_hw; + int blkaddr; + + blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NIX, pcifunc); + nix_hw = get_nix_hw(rvu->hw, blkaddr); + if (!nix_hw) + return; + + mcast_grp = &nix_hw->mcast_grp; + + mutex_lock(&mcast_grp->mcast_grp_lock); + list_for_each_entry(elem, &mcast_grp->mcast_grp_head, list) { + struct nix_mce_list *mce_list; + struct mce *mce; + + /* Iterate the group elements and disable the element which + * received the disable request. + */ + mce_list = &elem->mcast_mce_list; + hlist_for_each_entry(mce, &mce_list->head, node) { + if (mce->pcifunc == pcifunc) { + if (is_active) + mce->is_active = 1; + else + mce->is_active = 0; + + break; + } + } + + /* Dump the updated list to HW */ + if (elem->dir == NIX_MCAST_INGRESS) + nix_update_ingress_mce_list_hw(rvu, nix_hw, elem); + else + nix_update_egress_mce_list_hw(rvu, nix_hw, elem); + + /* Update the multicast index in NPC rule */ + nix_mcast_update_action(rvu, elem); + } + mutex_unlock(&mcast_grp->mcast_grp_lock); +} + int rvu_mbox_handler_nix_lf_start_rx(struct rvu *rvu, struct msg_req *req, struct msg_rsp *rsp) { @@ -4805,6 +5129,9 @@ int rvu_mbox_handler_nix_lf_start_rx(struct rvu *rvu, struct msg_req *req, if (err) return err; + /* Enable the interface if it is in any multicast list */ + nix_mcast_update_mce_entry(rvu, pcifunc, 1); + rvu_npc_enable_default_entries(rvu, pcifunc, nixlf); npc_mcam_enable_flows(rvu, pcifunc); @@ -4829,6 +5156,9 @@ int rvu_mbox_handler_nix_lf_stop_rx(struct rvu *rvu, struct msg_req *req, return err; rvu_npc_disable_mcam_entries(rvu, pcifunc, nixlf); + /* Disable the interface if it is in any multicast list */ + nix_mcast_update_mce_entry(rvu, pcifunc, 0); + pfvf = rvu_get_pfvf(rvu, pcifunc); clear_bit(NIXLF_INITIALIZED, &pfvf->flags); @@ -5797,3 +6127,325 @@ int rvu_mbox_handler_nix_bandprof_get_hwinfo(struct rvu *rvu, struct msg_req *re return 0; } + +static struct nix_mcast_grp_elem *rvu_nix_mcast_find_grp_elem(struct nix_mcast_grp *mcast_grp, + u32 mcast_grp_idx) +{ + struct nix_mcast_grp_elem *iter; + + mutex_lock(&mcast_grp->mcast_grp_lock); + list_for_each_entry(iter, &mcast_grp->mcast_grp_head, list) { + if (iter->mcast_grp_idx == mcast_grp_idx) { + mutex_unlock(&mcast_grp->mcast_grp_lock); + return iter; + } + } + mutex_unlock(&mcast_grp->mcast_grp_lock); + + return NULL; +} + +int rvu_nix_mcast_get_mce_index(struct rvu *rvu, u16 pcifunc, u32 mcast_grp_idx) +{ + struct nix_mcast_grp_elem *elem; + struct nix_mcast_grp *mcast_grp; + struct nix_hw *nix_hw; + int blkaddr; + + blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NIX, pcifunc); + nix_hw = get_nix_hw(rvu->hw, blkaddr); + if (!nix_hw) + return NIX_AF_ERR_INVALID_NIXBLK; + + mcast_grp = &nix_hw->mcast_grp; + elem = rvu_nix_mcast_find_grp_elem(mcast_grp, mcast_grp_idx); + if (!elem) + return NIX_AF_ERR_INVALID_MCAST_GRP; + + return elem->mce_start_index; +} + +void rvu_nix_mcast_flr_free_entries(struct rvu *rvu, u16 pcifunc) +{ + struct nix_mcast_grp_destroy_req dreq = { 0 }; + struct nix_mcast_grp_update_req ureq = { 0 }; + struct nix_mcast_grp_update_rsp ursp = { 0 }; + struct nix_mcast_grp_elem *elem, *tmp; + struct nix_mcast_grp *mcast_grp; + struct nix_hw *nix_hw; + int blkaddr; + + blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NIX, pcifunc); + nix_hw = get_nix_hw(rvu->hw, blkaddr); + if (!nix_hw) + return; + + mcast_grp = &nix_hw->mcast_grp; + + mutex_lock(&mcast_grp->mcast_grp_lock); + list_for_each_entry_safe(elem, tmp, &mcast_grp->mcast_grp_head, list) { + struct nix_mce_list *mce_list; + struct hlist_node *tmp; + struct mce *mce; + + /* If the pcifunc which created the multicast/mirror + * group received an FLR, then delete the entire group. + */ + if (elem->pcifunc == pcifunc) { + mutex_unlock(&mcast_grp->mcast_grp_lock); + /* Delete group */ + dreq.hdr.pcifunc = elem->pcifunc; + dreq.mcast_grp_idx = elem->mcast_grp_idx; + rvu_mbox_handler_nix_mcast_grp_destroy(rvu, &dreq, NULL); + mutex_lock(&mcast_grp->mcast_grp_lock); + continue; + } + + /* Iterate the group elements and delete the element which + * received the FLR. + */ + mce_list = &elem->mcast_mce_list; + hlist_for_each_entry_safe(mce, tmp, &mce_list->head, node) { + if (mce->pcifunc == pcifunc) { + mutex_unlock(&mcast_grp->mcast_grp_lock); + ureq.hdr.pcifunc = pcifunc; + ureq.num_mce_entry = 1; + ureq.mcast_grp_idx = elem->mcast_grp_idx; + ureq.op = NIX_MCAST_OP_DEL_ENTRY; + ureq.pcifunc[0] = pcifunc; + rvu_mbox_handler_nix_mcast_grp_update(rvu, &ureq, &ursp); + mutex_lock(&mcast_grp->mcast_grp_lock); + break; + } + } + } + mutex_unlock(&mcast_grp->mcast_grp_lock); +} + +int rvu_nix_mcast_update_mcam_entry(struct rvu *rvu, u16 pcifunc, + u32 mcast_grp_idx, u16 mcam_index) +{ + struct nix_mcast_grp_elem *elem; + struct nix_mcast_grp *mcast_grp; + struct nix_hw *nix_hw; + int blkaddr; + + blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NIX, pcifunc); + nix_hw = get_nix_hw(rvu->hw, blkaddr); + if (!nix_hw) + return NIX_AF_ERR_INVALID_NIXBLK; + + mcast_grp = &nix_hw->mcast_grp; + elem = rvu_nix_mcast_find_grp_elem(mcast_grp, mcast_grp_idx); + if (!elem) + return NIX_AF_ERR_INVALID_MCAST_GRP; + + elem->mcam_index = mcam_index; + + return 0; +} + +int rvu_mbox_handler_nix_mcast_grp_create(struct rvu *rvu, + struct nix_mcast_grp_create_req *req, + struct nix_mcast_grp_create_rsp *rsp) +{ + struct nix_mcast_grp_elem *elem; + struct nix_mcast_grp *mcast_grp; + struct nix_hw *nix_hw; + int blkaddr, err; + + err = nix_get_struct_ptrs(rvu, req->hdr.pcifunc, &nix_hw, &blkaddr); + if (err) + return err; + + mcast_grp = &nix_hw->mcast_grp; + elem = kzalloc(sizeof(*elem), GFP_KERNEL); + if (!elem) + return -ENOMEM; + + INIT_HLIST_HEAD(&elem->mcast_mce_list.head); + elem->mcam_index = -1; + elem->mce_start_index = -1; + elem->pcifunc = req->hdr.pcifunc; + elem->dir = req->dir; + elem->mcast_grp_idx = mcast_grp->next_grp_index++; + + mutex_lock(&mcast_grp->mcast_grp_lock); + list_add_tail(&elem->list, &mcast_grp->mcast_grp_head); + mcast_grp->count++; + mutex_unlock(&mcast_grp->mcast_grp_lock); + + rsp->mcast_grp_idx = elem->mcast_grp_idx; + return 0; +} + +int rvu_mbox_handler_nix_mcast_grp_destroy(struct rvu *rvu, + struct nix_mcast_grp_destroy_req *req, + struct msg_rsp *rsp) +{ + struct npc_delete_flow_req uninstall_req = { 0 }; + struct npc_delete_flow_rsp uninstall_rsp = { 0 }; + struct nix_mcast_grp_elem *elem; + struct nix_mcast_grp *mcast_grp; + struct nix_mcast *mcast; + struct nix_hw *nix_hw; + int blkaddr, err; + + err = nix_get_struct_ptrs(rvu, req->hdr.pcifunc, &nix_hw, &blkaddr); + if (err) + return err; + + mcast_grp = &nix_hw->mcast_grp; + elem = rvu_nix_mcast_find_grp_elem(mcast_grp, req->mcast_grp_idx); + if (!elem) + return NIX_AF_ERR_INVALID_MCAST_GRP; + + /* If no mce entries are associated with the group + * then just remove it from the global list. + */ + if (!elem->mcast_mce_list.count) + goto delete_grp; + + /* Delete the associated mcam entry and + * remove all mce entries from the group + */ + mcast = &nix_hw->mcast; + mutex_lock(&mcast->mce_lock); + if (elem->mcam_index != -1) { + uninstall_req.hdr.pcifunc = req->hdr.pcifunc; + uninstall_req.entry = elem->mcam_index; + rvu_mbox_handler_npc_delete_flow(rvu, &uninstall_req, &uninstall_rsp); + } + + nix_free_mce_list(mcast, elem->mcast_mce_list.count, + elem->mce_start_index, elem->dir); + nix_delete_mcast_mce_list(&elem->mcast_mce_list); + mutex_unlock(&mcast->mce_lock); + +delete_grp: + mutex_lock(&mcast_grp->mcast_grp_lock); + list_del(&elem->list); + kfree(elem); + mcast_grp->count--; + mutex_unlock(&mcast_grp->mcast_grp_lock); + return 0; +} + +int rvu_mbox_handler_nix_mcast_grp_update(struct rvu *rvu, + struct nix_mcast_grp_update_req *req, + struct nix_mcast_grp_update_rsp *rsp) +{ + struct nix_mcast_grp_destroy_req dreq = { 0 }; + struct npc_mcam *mcam = &rvu->hw->mcam; + struct nix_mcast_grp_elem *elem; + struct nix_mcast_grp *mcast_grp; + int blkaddr, err, npc_blkaddr; + u16 prev_count, new_count; + struct nix_mcast *mcast; + struct nix_hw *nix_hw; + int i, ret; + + if (!req->num_mce_entry) + return 0; + + err = nix_get_struct_ptrs(rvu, req->hdr.pcifunc, &nix_hw, &blkaddr); + if (err) + return err; + + mcast_grp = &nix_hw->mcast_grp; + elem = rvu_nix_mcast_find_grp_elem(mcast_grp, req->mcast_grp_idx); + if (!elem) + return NIX_AF_ERR_INVALID_MCAST_GRP; + + /* If any pcifunc matches the group's pcifunc, then we can + * delete the entire group. + */ + if (req->op == NIX_MCAST_OP_DEL_ENTRY) { + for (i = 0; i < req->num_mce_entry; i++) { + if (elem->pcifunc == req->pcifunc[i]) { + /* Delete group */ + dreq.hdr.pcifunc = elem->pcifunc; + dreq.mcast_grp_idx = elem->mcast_grp_idx; + rvu_mbox_handler_nix_mcast_grp_destroy(rvu, &dreq, NULL); + return 0; + } + } + } + + mcast = &nix_hw->mcast; + mutex_lock(&mcast->mce_lock); + npc_blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0); + if (elem->mcam_index != -1) + npc_enable_mcam_entry(rvu, mcam, npc_blkaddr, elem->mcam_index, false); + + prev_count = elem->mcast_mce_list.count; + if (req->op == NIX_MCAST_OP_ADD_ENTRY) { + new_count = prev_count + req->num_mce_entry; + if (prev_count) + nix_free_mce_list(mcast, prev_count, elem->mce_start_index, elem->dir); + + elem->mce_start_index = nix_alloc_mce_list(mcast, new_count, elem->dir); + + /* It is possible not to get contiguous memory */ + if (elem->mce_start_index < 0) { + if (elem->mcam_index != -1) { + npc_enable_mcam_entry(rvu, mcam, npc_blkaddr, + elem->mcam_index, true); + mutex_unlock(&mcast->mce_lock); + return NIX_AF_ERR_NON_CONTIG_MCE_LIST; + } + } + + ret = nix_add_mce_list_entry(rvu, nix_hw, elem, req); + if (ret) { + nix_free_mce_list(mcast, new_count, elem->mce_start_index, elem->dir); + if (prev_count) + elem->mce_start_index = nix_alloc_mce_list(mcast, + prev_count, + elem->dir); + + if (elem->mcam_index != -1) + npc_enable_mcam_entry(rvu, mcam, npc_blkaddr, + elem->mcam_index, true); + + mutex_unlock(&mcast->mce_lock); + return ret; + } + } else { + if (!prev_count || prev_count < req->num_mce_entry) { + if (elem->mcam_index != -1) + npc_enable_mcam_entry(rvu, mcam, npc_blkaddr, + elem->mcam_index, true); + return NIX_AF_ERR_INVALID_MCAST_DEL_REQ; + } + + nix_free_mce_list(mcast, prev_count, elem->mce_start_index, elem->dir); + new_count = prev_count - req->num_mce_entry; + elem->mce_start_index = nix_alloc_mce_list(mcast, new_count, elem->dir); + ret = nix_del_mce_list_entry(rvu, nix_hw, elem, req); + if (ret) { + nix_free_mce_list(mcast, new_count, elem->mce_start_index, elem->dir); + elem->mce_start_index = nix_alloc_mce_list(mcast, prev_count, elem->dir); + if (elem->mcam_index != -1) + npc_enable_mcam_entry(rvu, mcam, + npc_blkaddr, + elem->mcam_index, + true); + + mutex_unlock(&mcast->mce_lock); + return ret; + } + } + + if (elem->mcam_index == -1) { + mutex_unlock(&mcast->mce_lock); + rsp->mce_start_index = elem->mce_start_index; + return 0; + } + + nix_mcast_update_action(rvu, elem); + npc_enable_mcam_entry(rvu, mcam, npc_blkaddr, elem->mcam_index, true); + mutex_unlock(&mcast->mce_lock); + rsp->mce_start_index = elem->mce_start_index; + return 0; +} diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c index 16cfc802e348..49babf968c1b 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c @@ -589,8 +589,8 @@ static void npc_copy_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam, NPC_AF_MCAMEX_BANKX_CFG(dest, dbank), cfg); } -static u64 npc_get_mcam_action(struct rvu *rvu, struct npc_mcam *mcam, - int blkaddr, int index) +u64 npc_get_mcam_action(struct rvu *rvu, struct npc_mcam *mcam, + int blkaddr, int index) { int bank = npc_get_bank(mcam, index); @@ -599,6 +599,16 @@ static u64 npc_get_mcam_action(struct rvu *rvu, struct npc_mcam *mcam, NPC_AF_MCAMEX_BANKX_ACTION(index, bank)); } +void npc_set_mcam_action(struct rvu *rvu, struct npc_mcam *mcam, + int blkaddr, int index, u64 cfg) +{ + int bank = npc_get_bank(mcam, index); + + index &= (mcam->banksize - 1); + return rvu_write64(rvu, blkaddr, + NPC_AF_MCAMEX_BANKX_ACTION(index, bank), cfg); +} + void rvu_npc_install_ucast_entry(struct rvu *rvu, u16 pcifunc, int nixlf, u64 chan, u8 *mac_addr) { diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c index 114e4ec21802..bd4324e9aa13 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c @@ -1106,13 +1106,14 @@ static void rvu_mcam_add_counter_to_rule(struct rvu *rvu, u16 pcifunc, } } -static void npc_update_rx_entry(struct rvu *rvu, struct rvu_pfvf *pfvf, - struct mcam_entry *entry, - struct npc_install_flow_req *req, - u16 target, bool pf_set_vfs_mac) +static int npc_update_rx_entry(struct rvu *rvu, struct rvu_pfvf *pfvf, + struct mcam_entry *entry, + struct npc_install_flow_req *req, + u16 target, bool pf_set_vfs_mac) { struct rvu_switch *rswitch = &rvu->rswitch; struct nix_rx_action action; + int mce_index; if (rswitch->mode == DEVLINK_ESWITCH_MODE_SWITCHDEV && pf_set_vfs_mac) req->chan_mask = 0x0; /* Do not care channel */ @@ -1124,6 +1125,21 @@ static void npc_update_rx_entry(struct rvu *rvu, struct rvu_pfvf *pfvf, action.pf_func = target; action.op = req->op; action.index = req->index; + + /* If a PF/VF is installing a multicast rule then it is expected + * that the PF/VF should have created a group for the multicast/mirror + * list. Otherwise reject the configuration. + * During this scenario, req->index is set as multicast/mirror + * group index. + */ + if (req->hdr.pcifunc && action.op == NIX_RX_ACTIONOP_MCAST) { + mce_index = rvu_nix_mcast_get_mce_index(rvu, req->hdr.pcifunc, req->index); + if (mce_index < 0) + return mce_index; + + action.index = mce_index; + } + action.match_id = req->match_id; action.flow_key_alg = req->flow_key_alg; @@ -1155,14 +1171,17 @@ static void npc_update_rx_entry(struct rvu *rvu, struct rvu_pfvf *pfvf, FIELD_PREP(RX_VTAG1_TYPE_MASK, req->vtag1_type) | FIELD_PREP(RX_VTAG1_LID_MASK, NPC_LID_LB) | FIELD_PREP(RX_VTAG1_RELPTR_MASK, 4); + + return 0; } -static void npc_update_tx_entry(struct rvu *rvu, struct rvu_pfvf *pfvf, - struct mcam_entry *entry, - struct npc_install_flow_req *req, u16 target) +static int npc_update_tx_entry(struct rvu *rvu, struct rvu_pfvf *pfvf, + struct mcam_entry *entry, + struct npc_install_flow_req *req, u16 target) { struct nix_tx_action action; u64 mask = ~0ULL; + int mce_index; /* If AF is installing then do not care about * PF_FUNC in Send Descriptor @@ -1176,6 +1195,20 @@ static void npc_update_tx_entry(struct rvu *rvu, struct rvu_pfvf *pfvf, *(u64 *)&action = 0x00; action.op = req->op; action.index = req->index; + /* If a PF/VF is installing a multicast rule then it is expected + * that the PF/VF should have created a group for the multicast/mirror + * list. Otherwise reject the configuration. + * During this scenario, req->index is set as multicast/mirror + * group index. + */ + if (req->hdr.pcifunc && action.op == NIX_TX_ACTIONOP_MCAST) { + mce_index = rvu_nix_mcast_get_mce_index(rvu, req->hdr.pcifunc, req->index); + if (mce_index < 0) + return mce_index; + + action.index = mce_index; + } + action.match_id = req->match_id; entry->action = *(u64 *)&action; @@ -1191,6 +1224,8 @@ static void npc_update_tx_entry(struct rvu *rvu, struct rvu_pfvf *pfvf, FIELD_PREP(TX_VTAG1_OP_MASK, req->vtag1_op) | FIELD_PREP(TX_VTAG1_LID_MASK, NPC_LID_LA) | FIELD_PREP(TX_VTAG1_RELPTR_MASK, 24); + + return 0; } static int npc_install_flow(struct rvu *rvu, int blkaddr, u16 target, @@ -1220,10 +1255,15 @@ static int npc_install_flow(struct rvu *rvu, int blkaddr, u16 target, npc_update_flow(rvu, entry, features, &req->packet, &req->mask, &dummy, req->intf, blkaddr); - if (is_npc_intf_rx(req->intf)) - npc_update_rx_entry(rvu, pfvf, entry, req, target, pf_set_vfs_mac); - else - npc_update_tx_entry(rvu, pfvf, entry, req, target); + if (is_npc_intf_rx(req->intf)) { + err = npc_update_rx_entry(rvu, pfvf, entry, req, target, pf_set_vfs_mac); + if (err < 0) + return err; + } else { + err = npc_update_tx_entry(rvu, pfvf, entry, req, target); + if (err < 0) + return err; + } /* Default unicast rules do not exist for TX */ if (is_npc_intf_tx(req->intf)) @@ -1340,6 +1380,10 @@ static int npc_install_flow(struct rvu *rvu, int blkaddr, u16 target, return rvu_nix_setup_ratelimit_aggr(rvu, req->hdr.pcifunc, req->index, req->match_id); + if (owner && req->op == NIX_RX_ACTIONOP_MCAST) + return rvu_nix_mcast_update_mcam_entry(rvu, req->hdr.pcifunc, + req->index, entry_index); + return 0; }