diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c')
-rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c | 771 |
1 files changed, 623 insertions, 148 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c index 15f70273e29c..b193d4bd3f81 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c @@ -28,11 +28,62 @@ #define NPC_PARSE_RESULT_DMAC_OFFSET 8 +#define NPC_KEX_CHAN_MASK 0xFFFULL +#define NPC_KEX_PF_FUNC_MASK 0xFFFFULL + +#define NPC_HW_TSTAMP_OFFSET 8 + static void npc_mcam_free_all_entries(struct rvu *rvu, struct npc_mcam *mcam, int blkaddr, u16 pcifunc); static void npc_mcam_free_all_counters(struct rvu *rvu, struct npc_mcam *mcam, u16 pcifunc); +static int npc_mcam_verify_pf_func(struct rvu *rvu, + struct mcam_entry *entry_data, + u8 intf, u16 pcifunc) +{ + u16 pf_func, pf_func_mask; + + if (intf == NIX_INTF_RX) + return 0; + + pf_func_mask = (entry_data->kw_mask[0] >> 32) & + NPC_KEX_PF_FUNC_MASK; + pf_func = (entry_data->kw[0] >> 32) & NPC_KEX_PF_FUNC_MASK; + + pf_func = htons(pf_func); + if (pf_func_mask != NPC_KEX_PF_FUNC_MASK || pf_func != pcifunc) + return -EINVAL; + + return 0; +} + +int npc_mcam_verify_channel(struct rvu *rvu, u16 pcifunc, u8 intf, u16 channel) +{ + int pf = rvu_get_pf(pcifunc); + u8 cgx_id, lmac_id; + int base = 0, end; + + if (intf == NIX_INTF_TX) + return 0; + + if (is_afvf(pcifunc)) { + end = rvu_get_num_lbk_chans(); + if (end < 0) + return -EINVAL; + } else { + rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id); + base = NIX_CHAN_CGX_LMAC_CHX(cgx_id, lmac_id, 0x0); + /* CGX mapped functions has maximum of 16 channels */ + end = NIX_CHAN_CGX_LMAC_CHX(cgx_id, lmac_id, 0xF); + } + + if (channel < base || channel > end) + return -EINVAL; + + return 0; +} + void rvu_npc_set_pkind(struct rvu *rvu, int pkind, struct rvu_pfvf *pfvf) { int blkaddr; @@ -61,6 +112,32 @@ int rvu_npc_get_pkind(struct rvu *rvu, u16 pf) return -1; } +int npc_config_ts_kpuaction(struct rvu *rvu, int pf, u16 pcifunc, bool en) +{ + int pkind, blkaddr; + u64 val; + + pkind = rvu_npc_get_pkind(rvu, pf); + if (pkind < 0) { + dev_err(rvu->dev, "%s: pkind not mapped\n", __func__); + return -EINVAL; + } + + blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, pcifunc); + if (blkaddr < 0) { + dev_err(rvu->dev, "%s: NPC block not implemented\n", __func__); + return -EINVAL; + } + val = rvu_read64(rvu, blkaddr, NPC_AF_PKINDX_ACTION0(pkind)); + val &= ~0xff00000ULL; /* Zero ptr advance field */ + if (en) + /* Set to timestamp offset */ + val |= (NPC_HW_TSTAMP_OFFSET << 20); + rvu_write64(rvu, blkaddr, NPC_AF_PKINDX_ACTION0(pkind), val); + + return 0; +} + static int npc_get_nixlf_mcam_index(struct npc_mcam *mcam, u16 pcifunc, int nixlf, int type) { @@ -84,7 +161,7 @@ static int npc_get_nixlf_mcam_index(struct npc_mcam *mcam, return (mcam->nixlf_offset + (nixlf * RSVD_MCAM_ENTRIES_PER_NIXLF)); } -static int npc_get_bank(struct npc_mcam *mcam, int index) +int npc_get_bank(struct npc_mcam *mcam, int index) { int bank = index / mcam->banksize; @@ -106,8 +183,8 @@ static bool is_mcam_entry_enabled(struct rvu *rvu, struct npc_mcam *mcam, return (cfg & 1); } -static void npc_enable_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam, - int blkaddr, int index, bool enable) +void npc_enable_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam, + int blkaddr, int index, bool enable) { int bank = npc_get_bank(mcam, index); int actbank = bank; @@ -120,6 +197,31 @@ static void npc_enable_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam, } } +static void npc_clear_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam, + int blkaddr, int index) +{ + int bank = npc_get_bank(mcam, index); + int actbank = bank; + + index &= (mcam->banksize - 1); + for (; bank < (actbank + mcam->banks_per_entry); bank++) { + rvu_write64(rvu, blkaddr, + NPC_AF_MCAMEX_BANKX_CAMX_INTF(index, bank, 1), 0); + rvu_write64(rvu, blkaddr, + NPC_AF_MCAMEX_BANKX_CAMX_INTF(index, bank, 0), 0); + + rvu_write64(rvu, blkaddr, + NPC_AF_MCAMEX_BANKX_CAMX_W0(index, bank, 1), 0); + rvu_write64(rvu, blkaddr, + NPC_AF_MCAMEX_BANKX_CAMX_W0(index, bank, 0), 0); + + rvu_write64(rvu, blkaddr, + NPC_AF_MCAMEX_BANKX_CAMX_W1(index, bank, 1), 0); + rvu_write64(rvu, blkaddr, + NPC_AF_MCAMEX_BANKX_CAMX_W1(index, bank, 0), 0); + } +} + static void npc_get_keyword(struct mcam_entry *entry, int idx, u64 *cam0, u64 *cam1) { @@ -199,6 +301,58 @@ static void npc_get_keyword(struct mcam_entry *entry, int idx, *cam0 = ~*cam1 & kw_mask; } +static void npc_fill_entryword(struct mcam_entry *entry, int idx, + u64 cam0, u64 cam1) +{ + /* Similar to npc_get_keyword, but fills mcam_entry structure from + * CAM registers. + */ + switch (idx) { + case 0: + entry->kw[0] = cam1; + entry->kw_mask[0] = cam1 ^ cam0; + break; + case 1: + entry->kw[1] = cam1; + entry->kw_mask[1] = cam1 ^ cam0; + break; + case 2: + entry->kw[1] |= (cam1 & CAM_MASK(16)) << 48; + entry->kw[2] = (cam1 >> 16) & CAM_MASK(48); + entry->kw_mask[1] |= ((cam1 ^ cam0) & CAM_MASK(16)) << 48; + entry->kw_mask[2] = ((cam1 ^ cam0) >> 16) & CAM_MASK(48); + break; + case 3: + entry->kw[2] |= (cam1 & CAM_MASK(16)) << 48; + entry->kw[3] = (cam1 >> 16) & CAM_MASK(32); + entry->kw_mask[2] |= ((cam1 ^ cam0) & CAM_MASK(16)) << 48; + entry->kw_mask[3] = ((cam1 ^ cam0) >> 16) & CAM_MASK(32); + break; + case 4: + entry->kw[3] |= (cam1 & CAM_MASK(32)) << 32; + entry->kw[4] = (cam1 >> 32) & CAM_MASK(32); + entry->kw_mask[3] |= ((cam1 ^ cam0) & CAM_MASK(32)) << 32; + entry->kw_mask[4] = ((cam1 ^ cam0) >> 32) & CAM_MASK(32); + break; + case 5: + entry->kw[4] |= (cam1 & CAM_MASK(32)) << 32; + entry->kw[5] = (cam1 >> 32) & CAM_MASK(16); + entry->kw_mask[4] |= ((cam1 ^ cam0) & CAM_MASK(32)) << 32; + entry->kw_mask[5] = ((cam1 ^ cam0) >> 32) & CAM_MASK(16); + break; + case 6: + entry->kw[5] |= (cam1 & CAM_MASK(48)) << 16; + entry->kw[6] = (cam1 >> 48) & CAM_MASK(16); + entry->kw_mask[5] |= ((cam1 ^ cam0) & CAM_MASK(48)) << 16; + entry->kw_mask[6] = ((cam1 ^ cam0) >> 48) & CAM_MASK(16); + break; + case 7: + entry->kw[6] |= (cam1 & CAM_MASK(48)) << 16; + entry->kw_mask[6] |= ((cam1 ^ cam0) & CAM_MASK(48)) << 16; + break; + } +} + static void npc_config_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam, int blkaddr, int index, u8 intf, struct mcam_entry *entry, bool enable) @@ -211,6 +365,12 @@ static void npc_config_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam, actindex = index; index &= (mcam->banksize - 1); + /* Disable before mcam entry update */ + npc_enable_mcam_entry(rvu, mcam, blkaddr, actindex, false); + + /* Clear mcam entry to avoid writes being suppressed by NPC */ + npc_clear_mcam_entry(rvu, mcam, blkaddr, actindex); + /* CAM1 takes the comparison value and * CAM0 specifies match for a bit in key being '0' or '1' or 'dontcare'. * CAM1<n> = 0 & CAM0<n> = 1 => match if key<n> = 0 @@ -251,8 +411,42 @@ static void npc_config_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam, /* Enable the entry */ if (enable) npc_enable_mcam_entry(rvu, mcam, blkaddr, actindex, true); - else - npc_enable_mcam_entry(rvu, mcam, blkaddr, actindex, false); +} + +static void npc_read_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam, + int blkaddr, u16 src, + struct mcam_entry *entry, u8 *intf, u8 *ena) +{ + int sbank = npc_get_bank(mcam, src); + int bank, kw = 0; + u64 cam0, cam1; + + src &= (mcam->banksize - 1); + bank = sbank; + + for (; bank < (sbank + mcam->banks_per_entry); bank++, kw = kw + 2) { + cam1 = rvu_read64(rvu, blkaddr, + NPC_AF_MCAMEX_BANKX_CAMX_W0(src, bank, 1)); + cam0 = rvu_read64(rvu, blkaddr, + NPC_AF_MCAMEX_BANKX_CAMX_W0(src, bank, 0)); + npc_fill_entryword(entry, kw, cam0, cam1); + + cam1 = rvu_read64(rvu, blkaddr, + NPC_AF_MCAMEX_BANKX_CAMX_W1(src, bank, 1)); + cam0 = rvu_read64(rvu, blkaddr, + NPC_AF_MCAMEX_BANKX_CAMX_W1(src, bank, 0)); + npc_fill_entryword(entry, kw + 1, cam0, cam1); + } + + entry->action = rvu_read64(rvu, blkaddr, + NPC_AF_MCAMEX_BANKX_ACTION(src, sbank)); + entry->vtag_action = + rvu_read64(rvu, blkaddr, + NPC_AF_MCAMEX_BANKX_TAG_ACT(src, sbank)); + *intf = rvu_read64(rvu, blkaddr, + NPC_AF_MCAMEX_BANKX_CAMX_INTF(src, sbank, 1)) & 3; + *ena = rvu_read64(rvu, blkaddr, + NPC_AF_MCAMEX_BANKX_CFG(src, sbank)) & 1; } static void npc_copy_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam, @@ -308,12 +502,12 @@ static u64 npc_get_mcam_action(struct rvu *rvu, struct npc_mcam *mcam, void rvu_npc_install_ucast_entry(struct rvu *rvu, u16 pcifunc, int nixlf, u64 chan, u8 *mac_addr) { - struct rvu_pfvf *pfvf = rvu_get_pfvf(rvu, pcifunc); + u8 mac_mask[] = { [0 ... ETH_ALEN] = 0xFF }; + struct npc_install_flow_req req = { 0 }; + struct npc_install_flow_rsp rsp = { 0 }; struct npc_mcam *mcam = &rvu->hw->mcam; - struct mcam_entry entry = { {0} }; struct nix_rx_action action; - int blkaddr, index, kwi; - u64 mac = 0; + int blkaddr, index; /* AF's VFs work in promiscuous mode */ if (is_afvf(pcifunc)) @@ -323,20 +517,9 @@ void rvu_npc_install_ucast_entry(struct rvu *rvu, u16 pcifunc, if (blkaddr < 0) return; - for (index = ETH_ALEN - 1; index >= 0; index--) - mac |= ((u64)*mac_addr++) << (8 * index); - index = npc_get_nixlf_mcam_index(mcam, pcifunc, nixlf, NIXLF_UCAST_ENTRY); - /* Match ingress channel and DMAC */ - entry.kw[0] = chan; - entry.kw_mask[0] = 0xFFFULL; - - kwi = NPC_PARSE_RESULT_DMAC_OFFSET / sizeof(u64); - entry.kw[kwi] = mac; - entry.kw_mask[kwi] = BIT_ULL(48) - 1; - /* Don't change the action if entry is already enabled * Otherwise RSS action may get overwritten. */ @@ -349,20 +532,20 @@ void rvu_npc_install_ucast_entry(struct rvu *rvu, u16 pcifunc, action.pf_func = pcifunc; } - entry.action = *(u64 *)&action; - npc_config_mcam_entry(rvu, mcam, blkaddr, index, - NIX_INTF_RX, &entry, true); - - /* add VLAN matching, setup action and save entry back for later */ - entry.kw[0] |= (NPC_LT_LB_STAG | NPC_LT_LB_CTAG) << 20; - entry.kw_mask[0] |= (NPC_LT_LB_STAG & NPC_LT_LB_CTAG) << 20; - - entry.vtag_action = VTAG0_VALID_BIT | - FIELD_PREP(VTAG0_TYPE_MASK, 0) | - FIELD_PREP(VTAG0_LID_MASK, NPC_LID_LA) | - FIELD_PREP(VTAG0_RELPTR_MASK, 12); - - memcpy(&pfvf->entry, &entry, sizeof(entry)); + req.default_rule = 1; + ether_addr_copy(req.packet.dmac, mac_addr); + ether_addr_copy(req.mask.dmac, mac_mask); + req.features = BIT_ULL(NPC_DMAC); + req.channel = chan; + req.intf = NIX_INTF_RX; + req.op = action.op; + req.hdr.pcifunc = 0; /* AF is requester */ + req.vf = action.pf_func; + req.index = action.index; + req.match_id = action.match_id; + req.flow_key_alg = action.flow_key_alg; + + rvu_mbox_handler_npc_install_flow(rvu, &req, &rsp); } void rvu_npc_install_promisc_entry(struct rvu *rvu, u16 pcifunc, @@ -448,74 +631,82 @@ void rvu_npc_install_bcast_match_entry(struct rvu *rvu, u16 pcifunc, { struct npc_mcam *mcam = &rvu->hw->mcam; struct mcam_entry entry = { {0} }; + struct rvu_hwinfo *hw = rvu->hw; struct nix_rx_action action; -#ifdef MCAST_MCE struct rvu_pfvf *pfvf; -#endif int blkaddr, index; blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0); if (blkaddr < 0) return; - /* Only PF can add a bcast match entry */ - if (pcifunc & RVU_PFVF_FUNC_MASK) + /* Skip LBK VFs */ + if (is_afvf(pcifunc)) + return; + + /* If pkt replication is not supported, + * then only PF is allowed to add a bcast match entry. + */ + if (!hw->cap.nix_rx_multicast && pcifunc & RVU_PFVF_FUNC_MASK) return; -#ifdef MCAST_MCE - pfvf = rvu_get_pfvf(rvu, pcifunc & ~RVU_PFVF_FUNC_MASK); -#endif + /* Get 'pcifunc' of PF device */ + pcifunc = pcifunc & ~RVU_PFVF_FUNC_MASK; index = npc_get_nixlf_mcam_index(mcam, pcifunc, nixlf, NIXLF_BCAST_ENTRY); - /* Check for L2B bit and LMAC channel - * NOTE: Since MKEX default profile(a reduced version intended to - * accommodate more capability but igoring few bits) a stap-gap - * approach. - * Since we care for L2B which by HRM NPC_PARSE_KEX_S at BIT_POS[25], So - * moved to BIT_POS[13], ignoring ERRCODE, ERRLEV as we'll loose out - * on capability features needed for CoS (/from ODP PoV) e.g: VLAN, - * DSCP. - * - * Reduced layout of MKEX default profile - - * Includes following are (i.e.CHAN, L2/3{B/M}, LA, LB, LC, LD): - * - * BIT_POS[31:28] : LD - * BIT_POS[27:24] : LC - * BIT_POS[23:20] : LB - * BIT_POS[19:16] : LA - * BIT_POS[15:12] : L3B, L3M, L2B, L2M - * BIT_POS[11:00] : CHAN - * + /* Match ingress channel */ + entry.kw[0] = chan; + entry.kw_mask[0] = 0xfffull; + + /* Match broadcast MAC address. + * DMAC is extracted at 0th bit of PARSE_KEX::KW1 */ - entry.kw[0] = BIT_ULL(13) | chan; - entry.kw_mask[0] = BIT_ULL(13) | 0xFFFULL; + entry.kw[1] = 0xffffffffffffull; + entry.kw_mask[1] = 0xffffffffffffull; *(u64 *)&action = 0x00; -#ifdef MCAST_MCE - /* Early silicon doesn't support pkt replication, - * so install entry with UCAST action, so that PF - * receives all broadcast packets. - */ - action.op = NIX_RX_ACTIONOP_MCAST; - action.pf_func = pcifunc; - action.index = pfvf->bcast_mce_idx; -#else - action.op = NIX_RX_ACTIONOP_UCAST; - action.pf_func = pcifunc; -#endif + if (!hw->cap.nix_rx_multicast) { + /* Early silicon doesn't support pkt replication, + * so install entry with UCAST action, so that PF + * receives all broadcast packets. + */ + action.op = NIX_RX_ACTIONOP_UCAST; + action.pf_func = pcifunc; + } else { + pfvf = rvu_get_pfvf(rvu, pcifunc); + action.index = pfvf->bcast_mce_idx; + action.op = NIX_RX_ACTIONOP_MCAST; + } entry.action = *(u64 *)&action; npc_config_mcam_entry(rvu, mcam, blkaddr, index, NIX_INTF_RX, &entry, true); } +void rvu_npc_disable_bcast_entry(struct rvu *rvu, u16 pcifunc) +{ + struct npc_mcam *mcam = &rvu->hw->mcam; + int blkaddr, index; + + blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0); + if (blkaddr < 0) + return; + + /* Get 'pcifunc' of PF device */ + pcifunc = pcifunc & ~RVU_PFVF_FUNC_MASK; + + index = npc_get_nixlf_mcam_index(mcam, pcifunc, 0, NIXLF_BCAST_ENTRY); + npc_enable_mcam_entry(rvu, mcam, blkaddr, index, false); +} + void rvu_npc_update_flowkey_alg_idx(struct rvu *rvu, u16 pcifunc, int nixlf, int group, int alg_idx, int mcam_index) { struct npc_mcam *mcam = &rvu->hw->mcam; struct nix_rx_action action; int blkaddr, index, bank; + struct rvu_pfvf *pfvf; blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0); if (blkaddr < 0) @@ -552,6 +743,11 @@ void rvu_npc_update_flowkey_alg_idx(struct rvu *rvu, u16 pcifunc, int nixlf, rvu_write64(rvu, blkaddr, NPC_AF_MCAMEX_BANKX_ACTION(index, bank), *(u64 *)&action); + /* update the action change in default rule */ + pfvf = rvu_get_pfvf(rvu, pcifunc); + if (pfvf->def_rule) + pfvf->def_rule->rx_action = action; + index = npc_get_nixlf_mcam_index(mcam, pcifunc, nixlf, NIXLF_PROMISC_ENTRY); @@ -566,8 +762,6 @@ void rvu_npc_update_flowkey_alg_idx(struct rvu *rvu, u16 pcifunc, int nixlf, NPC_AF_MCAMEX_BANKX_ACTION(index, bank), *(u64 *)&action); } - - rvu_npc_update_rxvlan(rvu, pcifunc, nixlf); } static void npc_enadis_default_entries(struct rvu *rvu, u16 pcifunc, @@ -607,8 +801,6 @@ static void npc_enadis_default_entries(struct rvu *rvu, u16 pcifunc, rvu_npc_enable_promisc_entry(rvu, pcifunc, nixlf); else rvu_npc_disable_promisc_entry(rvu, pcifunc, nixlf); - - rvu_npc_update_rxvlan(rvu, pcifunc, nixlf); } void rvu_npc_disable_default_entries(struct rvu *rvu, u16 pcifunc, int nixlf) @@ -623,7 +815,9 @@ void rvu_npc_enable_default_entries(struct rvu *rvu, u16 pcifunc, int nixlf) void rvu_npc_disable_mcam_entries(struct rvu *rvu, u16 pcifunc, int nixlf) { + struct rvu_pfvf *pfvf = rvu_get_pfvf(rvu, pcifunc); struct npc_mcam *mcam = &rvu->hw->mcam; + struct rvu_npc_mcam_rule *rule; int blkaddr; blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0); @@ -632,12 +826,50 @@ void rvu_npc_disable_mcam_entries(struct rvu *rvu, u16 pcifunc, int nixlf) mutex_lock(&mcam->lock); - /* Disable and free all MCAM entries mapped to this 'pcifunc' */ + /* Disable MCAM entries directing traffic to this 'pcifunc' */ + list_for_each_entry(rule, &mcam->mcam_rules, list) { + if (rule->intf == NIX_INTF_RX && + rule->rx_action.pf_func == pcifunc) { + npc_enable_mcam_entry(rvu, mcam, blkaddr, + rule->entry, false); + rule->enable = false; + /* Indicate that default rule is disabled */ + if (rule->default_rule) + pfvf->def_rule = NULL; + } + } + + mutex_unlock(&mcam->lock); + + rvu_npc_disable_default_entries(rvu, pcifunc, nixlf); +} + +void rvu_npc_free_mcam_entries(struct rvu *rvu, u16 pcifunc, int nixlf) +{ + struct npc_mcam *mcam = &rvu->hw->mcam; + struct rvu_npc_mcam_rule *rule, *tmp; + int blkaddr; + + blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0); + if (blkaddr < 0) + return; + + mutex_lock(&mcam->lock); + + /* Disable and free all MCAM entries owned by this 'pcifunc' */ npc_mcam_free_all_entries(rvu, mcam, blkaddr, pcifunc); - /* Free all MCAM counters mapped to this 'pcifunc' */ + /* Free all MCAM counters owned by this 'pcifunc' */ npc_mcam_free_all_counters(rvu, mcam, pcifunc); + /* Delete MCAM entries owned by this 'pcifunc' from list */ + list_for_each_entry_safe(rule, tmp, &mcam->mcam_rules, list) { + if (rule->owner == pcifunc && !rule->default_rule) { + list_del(&rule->list); + kfree(rule); + } + } + mutex_unlock(&mcam->lock); rvu_npc_disable_default_entries(rvu, pcifunc, nixlf); @@ -655,37 +887,78 @@ void rvu_npc_disable_mcam_entries(struct rvu *rvu, u16 pcifunc, int nixlf) (((bytesm1) << 16) | ((hdr_ofs) << 8) | ((ena) << 7) | \ ((flags_ena) << 6) | ((key_ofs) & 0x3F)) -static void npc_config_ldata_extract(struct rvu *rvu, int blkaddr) +static void npc_config_tx_ldata_extract(struct rvu *rvu, int blkaddr) { - struct npc_mcam *mcam = &rvu->hw->mcam; - int lid, ltype; - int lid_count; u64 cfg; - cfg = rvu_read64(rvu, blkaddr, NPC_AF_CONST); - lid_count = (cfg >> 4) & 0xF; + /* Default TX MCAM KEX profile */ + /* Layer A: Ethernet: */ - /* First clear any existing config i.e - * disable LDATA and FLAGS extraction. - */ - for (lid = 0; lid < lid_count; lid++) { - for (ltype = 0; ltype < 16; ltype++) { - SET_KEX_LD(NIX_INTF_RX, lid, ltype, 0, 0ULL); - SET_KEX_LD(NIX_INTF_RX, lid, ltype, 1, 0ULL); - SET_KEX_LD(NIX_INTF_TX, lid, ltype, 0, 0ULL); - SET_KEX_LD(NIX_INTF_TX, lid, ltype, 1, 0ULL); + /* PF_FUNC: 2B , KW0 [47:32] */ + cfg = KEX_LD_CFG(0x01, 0x0, 0x1, 0x0, 0x4); + SET_KEX_LD(NIX_INTF_TX, NPC_LID_LA, NPC_LT_LA_IH_NIX_ETHER, 0, cfg); - SET_KEX_LDFLAGS(NIX_INTF_RX, 0, ltype, 0ULL); - SET_KEX_LDFLAGS(NIX_INTF_RX, 1, ltype, 0ULL); - SET_KEX_LDFLAGS(NIX_INTF_TX, 0, ltype, 0ULL); - SET_KEX_LDFLAGS(NIX_INTF_TX, 1, ltype, 0ULL); - } - } + /* PF_FUNC incase of higig2 */ + cfg = KEX_LD_CFG(0x01, 0x0, 0x1, 0x0, 0x4); + SET_KEX_LD(NIX_INTF_TX, NPC_LID_LA, NPC_LT_LA_IH_NIX_HIGIG2_ETHER, 0, + cfg); - if (mcam->keysize != NPC_MCAM_KEY_X2) - return; + /* Layer B: Single VLAN (CTAG) */ + /* CTAG VLAN[2..3] KW0[63:48] */ + cfg = KEX_LD_CFG(0x01, 0x2, 0x1, 0x0, 0x6); + SET_KEX_LD(NIX_INTF_TX, NPC_LID_LB, NPC_LT_LB_CTAG, 0, cfg); + + /* CTAG VLAN[2..3] KW1[15:0] */ + cfg = KEX_LD_CFG(0x01, 0x4, 0x1, 0x0, 0x8); + SET_KEX_LD(NIX_INTF_TX, NPC_LID_LB, NPC_LT_LB_CTAG, 1, cfg); + + /* Layer B: Stacked VLAN (STAG|QinQ) */ + /* Outer VLAN: 2 bytes, KW0[63:48] */ + cfg = KEX_LD_CFG(0x01, 0x2, 0x1, 0x0, 0x6); + SET_KEX_LD(NIX_INTF_TX, NPC_LID_LB, NPC_LT_LB_STAG_QINQ, 0, cfg); + + /* Outer VLAN: 2 Bytes, KW1[15:0] */ + cfg = KEX_LD_CFG(0x01, 0x8, 0x1, 0x0, 0x8); + SET_KEX_LD(NIX_INTF_TX, NPC_LID_LB, NPC_LT_LB_STAG_QINQ, 1, cfg); + + /* DMAC: 6 bytes, KW1[63:16] */ + cfg = KEX_LD_CFG(0x05, 0x8, 0x1, 0x0, 0xa); + SET_KEX_LD(NIX_INTF_TX, NPC_LID_LA, NPC_LT_LA_IH_NIX_ETHER, 1, cfg); + + /* clasification in higig2 header */ + cfg = KEX_LD_CFG(0x01, 0x10, 0x1, 0x0, 0xa); + SET_KEX_LD(NIX_INTF_TX, NPC_LID_LA, NPC_LT_LA_IH_NIX_HIGIG2_ETHER, 1, + cfg); + + /* Layer C: IPv4 */ + /* SIP+DIP: 8 bytes, KW2[63:0] */ + cfg = KEX_LD_CFG(0x07, 0xc, 0x1, 0x0, 0x10); + SET_KEX_LD(NIX_INTF_TX, NPC_LID_LC, NPC_LT_LC_IP, 0, cfg); + + /* Layer D:UDP */ + /* SPORT: 2 bytes, KW3[15:0] */ + cfg = KEX_LD_CFG(0x1, 0x0, 0x1, 0x0, 0x18); + SET_KEX_LD(NIX_INTF_TX, NPC_LID_LD, NPC_LT_LD_UDP, 0, cfg); - /* Default MCAM KEX profile */ + /* DPORT: 2 bytes, KW3[31:16] */ + cfg = KEX_LD_CFG(0x1, 0x2, 0x1, 0x0, 0x1a); + SET_KEX_LD(NIX_INTF_TX, NPC_LID_LD, NPC_LT_LD_UDP, 1, cfg); + + /* Layer D:TCP */ + /* SPORT: 2 bytes, KW3[15:0] */ + cfg = KEX_LD_CFG(0x1, 0x0, 0x1, 0x0, 0x18); + SET_KEX_LD(NIX_INTF_TX, NPC_LID_LD, NPC_LT_LD_TCP, 0, cfg); + + /* DPORT: 2 bytes, KW3[31:16] */ + cfg = KEX_LD_CFG(0x1, 0x2, 0x1, 0x0, 0x1a); + SET_KEX_LD(NIX_INTF_TX, NPC_LID_LD, NPC_LT_LD_TCP, 1, cfg); +} + +static void npc_config_rx_ldata_extract(struct rvu *rvu, int blkaddr) +{ + u64 cfg; + + /* Default RX MCAM KEX profile */ /* Layer A: Ethernet: */ /* DMAC: 6 bytes, KW1[47:0] */ @@ -696,22 +969,34 @@ static void npc_config_ldata_extract(struct rvu *rvu, int blkaddr) cfg = KEX_LD_CFG(0x01, 0xc, 0x1, 0x0, 0x4); SET_KEX_LD(NIX_INTF_RX, NPC_LID_LA, NPC_LT_LA_ETHER, 1, cfg); + /* Classification in higig2 header */ + cfg = KEX_LD_CFG(0x01, 0x8, 0x1, 0x0, NPC_PARSE_RESULT_DMAC_OFFSET); + SET_KEX_LD(NIX_INTF_RX, NPC_LID_LA, NPC_LT_LA_HIGIG2_ETHER, 0, cfg); + + /* Vid in higig2 header */ + cfg = KEX_LD_CFG(0x01, 0xc, 0x1, 0x0, NPC_PARSE_RESULT_DMAC_OFFSET + 2); + SET_KEX_LD(NIX_INTF_RX, NPC_LID_LA, NPC_LT_LA_HIGIG2_ETHER, 1, cfg); + /* Layer B: Single VLAN (CTAG) */ /* CTAG VLAN[2..3] + Ethertype, 4 bytes, KW0[63:32] */ - cfg = KEX_LD_CFG(0x03, 0x0, 0x1, 0x0, 0x4); + cfg = KEX_LD_CFG(0x03, 0x2, 0x1, 0x0, 0x4); SET_KEX_LD(NIX_INTF_RX, NPC_LID_LB, NPC_LT_LB_CTAG, 0, cfg); /* Layer B: Stacked VLAN (STAG|QinQ) */ - /* CTAG VLAN[2..3] + Ethertype, 4 bytes, KW0[63:32] */ - cfg = KEX_LD_CFG(0x03, 0x4, 0x1, 0x0, 0x4); - SET_KEX_LD(NIX_INTF_RX, NPC_LID_LB, NPC_LT_LB_STAG, 0, cfg); - SET_KEX_LD(NIX_INTF_RX, NPC_LID_LB, NPC_LT_LB_QINQ, 0, cfg); + /* Outer VLAN: 2 bytes, KW0[63:48] */ + cfg = KEX_LD_CFG(0x01, 0x2, 0x1, 0x0, 0x6); + SET_KEX_LD(NIX_INTF_RX, NPC_LID_LB, NPC_LT_LB_STAG_QINQ, 0, cfg); + + /* Ethertype: 2 bytes, KW0[47:32] */ + cfg = KEX_LD_CFG(0x01, 0x8, 0x1, 0x0, 0x4); + SET_KEX_LD(NIX_INTF_RX, NPC_LID_LB, NPC_LT_LB_STAG_QINQ, 1, cfg); /* Layer C: IPv4 */ /* SIP+DIP: 8 bytes, KW2[63:0] */ cfg = KEX_LD_CFG(0x07, 0xc, 0x1, 0x0, 0x10); SET_KEX_LD(NIX_INTF_RX, NPC_LID_LC, NPC_LT_LC_IP, 0, cfg); /* TOS: 1 byte, KW1[63:56] */ + cfg = KEX_LD_CFG(0x0, 0x1, 0x1, 0x0, 0xf); SET_KEX_LD(NIX_INTF_RX, NPC_LID_LC, NPC_LT_LC_IP, 1, cfg); @@ -719,6 +1004,7 @@ static void npc_config_ldata_extract(struct rvu *rvu, int blkaddr) /* SPORT: 2 bytes, KW3[15:0] */ cfg = KEX_LD_CFG(0x1, 0x0, 0x1, 0x0, 0x18); SET_KEX_LD(NIX_INTF_RX, NPC_LID_LD, NPC_LT_LD_UDP, 0, cfg); + /* DPORT: 2 bytes, KW3[31:16] */ cfg = KEX_LD_CFG(0x1, 0x2, 0x1, 0x0, 0x1a); SET_KEX_LD(NIX_INTF_RX, NPC_LID_LD, NPC_LT_LD_UDP, 1, cfg); @@ -727,11 +1013,49 @@ static void npc_config_ldata_extract(struct rvu *rvu, int blkaddr) /* SPORT: 2 bytes, KW3[15:0] */ cfg = KEX_LD_CFG(0x1, 0x0, 0x1, 0x0, 0x18); SET_KEX_LD(NIX_INTF_RX, NPC_LID_LD, NPC_LT_LD_TCP, 0, cfg); + /* DPORT: 2 bytes, KW3[31:16] */ cfg = KEX_LD_CFG(0x1, 0x2, 0x1, 0x0, 0x1a); SET_KEX_LD(NIX_INTF_RX, NPC_LID_LD, NPC_LT_LD_TCP, 1, cfg); } +static void npc_config_ldata_extract(struct rvu *rvu, int blkaddr) +{ + int lid, ltype; + int lid_count; + u64 cfg; + + cfg = rvu_read64(rvu, blkaddr, NPC_AF_CONST); + lid_count = (cfg >> 4) & 0xF; + + /* First clear any existing config i.e + * disable LDATA and FLAGS extraction. + */ + for (lid = 0; lid < lid_count; lid++) { + for (ltype = 0; ltype < 16; ltype++) { + SET_KEX_LD(NIX_INTF_RX, lid, ltype, 0, 0ULL); + SET_KEX_LD(NIX_INTF_RX, lid, ltype, 1, 0ULL); + SET_KEX_LD(NIX_INTF_TX, lid, ltype, 0, 0ULL); + SET_KEX_LD(NIX_INTF_TX, lid, ltype, 1, 0ULL); + + SET_KEX_LDFLAGS(NIX_INTF_RX, 0, ltype, 0ULL); + SET_KEX_LDFLAGS(NIX_INTF_RX, 1, ltype, 0ULL); + SET_KEX_LDFLAGS(NIX_INTF_TX, 0, ltype, 0ULL); + SET_KEX_LDFLAGS(NIX_INTF_TX, 1, ltype, 0ULL); + } + } + + cfg = (rvu_read64(rvu, blkaddr, NPC_AF_INTFX_KEX_CFG(0)) >> 32) & 0x07; + /* Default profile works with key size NPC_MCAM_KEY_X2 */ + if (cfg != NPC_MCAM_KEY_X2) + return; + + /* Config RX ldata extract */ + npc_config_rx_ldata_extract(rvu, blkaddr); + /* Config TX ldata extract */ + npc_config_tx_ldata_extract(rvu, blkaddr); +} + static void npc_program_mkex_profile(struct rvu *rvu, int blkaddr, struct npc_mcam_kex *mkex) { @@ -790,8 +1114,10 @@ static void npc_load_mkex_profile(struct rvu *rvu, int blkaddr) if (!strncmp(mkex_profile, "default", MKEX_NAME_LEN)) goto load_default; - if (cgx_get_mkex_prfl_info(&prfl_addr, &prfl_sz)) + if (!rvu->fwdata) goto load_default; + prfl_addr = rvu->fwdata->mcam_addr; + prfl_sz = rvu->fwdata->mcam_sz; if (!prfl_addr || !prfl_sz) goto load_default; @@ -806,13 +1132,7 @@ static void npc_load_mkex_profile(struct rvu *rvu, int blkaddr) /* Compare with mkex mod_param name string */ if (mcam_kex->mkex_sign == MKEX_SIGN && !strncmp(mcam_kex->name, mkex_profile, MKEX_NAME_LEN)) { - /* Due to an errata (35786) in A0 pass silicon, - * parse nibble enable configuration has to be - * identical for both Rx and Tx interfaces. - */ - if (is_rvu_9xxx_A0(rvu) && - mcam_kex->keyx_cfg[NIX_INTF_RX] != - mcam_kex->keyx_cfg[NIX_INTF_TX]) + if (!is_parse_nibble_config_valid(rvu, mcam_kex)) goto load_default; /* Program selected mkex profile */ @@ -1064,6 +1384,13 @@ static int npc_mcam_rsrcs_init(struct rvu *rvu, int blkaddr) mcam->hprio_count = mcam->lprio_count; mcam->hprio_end = mcam->hprio_count; + /* Reserve last counter for MCAM RX miss action which is set to + * drop pkt. This way we will know how many pkts didn't match + * any MCAM entry. + */ + mcam->counters.max--; + mcam->rx_miss_act_cntr = mcam->counters.max; + /* Allocate bitmap for managing MCAM counters and memory * for saving counter to RVU PFFUNC allocation mapping. */ @@ -1101,6 +1428,7 @@ free_mem: int rvu_npc_init(struct rvu *rvu) { struct npc_pkind *pkind = &rvu->hw->pkind; + struct npc_mcam *mcam = &rvu->hw->mcam; u64 keyz = NPC_MCAM_KEY_X2; int blkaddr, entry, bank, err; u64 cfg, nibble_ena; @@ -1143,39 +1471,47 @@ int rvu_npc_init(struct rvu *rvu) /* Config Inner IPV4 NPC layer info */ rvu_write64(rvu, blkaddr, NPC_AF_PCK_DEF_IIP4, - (NPC_LID_LF << 8) | (NPC_LT_LF_TU_IP << 4) | 0x0F); + (NPC_LID_LG << 8) | (NPC_LT_LG_TU_IP << 4) | 0x0F); /* Enable below for Rx pkts. * - Outer IPv4 header checksum validation. - * - Detect outer L2 broadcast address and set NPC_RESULT_S[L2M]. + * - Detect outer L2 broadcast address and set NPC_RESULT_S[L2B]. + * - Detect outer L2 multicast address and set NPC_RESULT_S[L2M]. * - Inner IPv4 header checksum validation. * - Set non zero checksum error code value */ rvu_write64(rvu, blkaddr, NPC_AF_PCK_CFG, rvu_read64(rvu, blkaddr, NPC_AF_PCK_CFG) | - BIT_ULL(32) | BIT_ULL(24) | BIT_ULL(6) | - BIT_ULL(2) | BIT_ULL(1)); + ((u64)NPC_EC_OIP4_CSUM << 32) | (NPC_EC_IIP4_CSUM << 24) | + BIT_ULL(7) | BIT_ULL(6) | BIT_ULL(2) | BIT_ULL(1)); /* Set RX and TX side MCAM search key size. - * LA..LD (ltype only) + Channel + * LA..LE (ltype only) + Channel */ - nibble_ena = 0x49247; + nibble_ena = 0x249207; rvu_write64(rvu, blkaddr, NPC_AF_INTFX_KEX_CFG(NIX_INTF_RX), ((keyz & 0x3) << 32) | nibble_ena); - /* Due to an errata (35786) in A0 pass silicon, parse nibble enable - * configuration has to be identical for both Rx and Tx interfaces. - */ - if (!is_rvu_9xxx_A0(rvu)) - nibble_ena = (1ULL << 19) - 1; + + /* Extract Ltypes LID_LA to LID_LE */ + nibble_ena = rvu_npc_get_tx_nibble_cfg(rvu, nibble_ena); + if (!nibble_ena) + nibble_ena = 0x249200; rvu_write64(rvu, blkaddr, NPC_AF_INTFX_KEX_CFG(NIX_INTF_TX), ((keyz & 0x3) << 32) | nibble_ena); + /* Configure MKEX profile */ + npc_load_mkex_profile(rvu, blkaddr); + err = npc_mcam_rsrcs_init(rvu, blkaddr); if (err) return err; - /* Configure MKEX profile */ - npc_load_mkex_profile(rvu, blkaddr); + err = npc_flow_steering_init(rvu, blkaddr); + if (err) { + dev_err(rvu->dev, + "Incorrect mkex profile loaded using default mkex\n"); + npc_config_ldata_extract(rvu, blkaddr); + } /* Set TX miss action to UCAST_DEFAULT i.e * transmit the packet on NIX LF SQ's default channel. @@ -1183,10 +1519,13 @@ int rvu_npc_init(struct rvu *rvu) rvu_write64(rvu, blkaddr, NPC_AF_INTFX_MISS_ACT(NIX_INTF_TX), NIX_TX_ACTIONOP_UCAST_DEFAULT); - /* If MCAM lookup doesn't result in a match, drop the received packet */ + /* If MCAM lookup doesn't result in a match, drop the received packet + * And map this action to a counter to count dropped pkts. + */ rvu_write64(rvu, blkaddr, NPC_AF_INTFX_MISS_ACT(NIX_INTF_RX), NIX_RX_ACTIONOP_DROP); - + rvu_write64(rvu, blkaddr, NPC_AF_INTFX_MISS_STAT_ACT(NIX_INTF_RX), + BIT_ULL(9) | mcam->rx_miss_act_cntr); return 0; } @@ -1200,6 +1539,44 @@ void rvu_npc_freemem(struct rvu *rvu) mutex_destroy(&mcam->lock); } +void rvu_npc_get_mcam_entry_alloc_info(struct rvu *rvu, u16 pcifunc, + int blkaddr, int *alloc_cnt, + int *enable_cnt) +{ + struct npc_mcam *mcam = &rvu->hw->mcam; + int entry; + + *alloc_cnt = 0; + *enable_cnt = 0; + + for (entry = 0; entry < mcam->bmap_entries; entry++) { + if (mcam->entry2pfvf_map[entry] == pcifunc) { + (*alloc_cnt)++; + if (is_mcam_entry_enabled(rvu, mcam, blkaddr, entry)) + (*enable_cnt)++; + } + } +} + +void rvu_npc_get_mcam_counter_alloc_info(struct rvu *rvu, u16 pcifunc, + int blkaddr, int *alloc_cnt, + int *enable_cnt) +{ + struct npc_mcam *mcam = &rvu->hw->mcam; + int cntr; + + *alloc_cnt = 0; + *enable_cnt = 0; + + for (cntr = 0; cntr < mcam->counters.max; cntr++) { + if (mcam->cntr2pfvf_map[cntr] == pcifunc) { + (*alloc_cnt)++; + if (mcam->cntr_refcnt[cntr]) + (*enable_cnt)++; + } + } +} + static int npc_mcam_verify_entry(struct npc_mcam *mcam, u16 pcifunc, int entry) { @@ -1717,18 +2094,47 @@ exit: return rc; } +int rvu_mbox_handler_npc_mcam_read_entry(struct rvu *rvu, + struct npc_mcam_read_entry_req *req, + struct npc_mcam_read_entry_rsp *rsp) +{ + struct npc_mcam *mcam = &rvu->hw->mcam; + u16 pcifunc = req->hdr.pcifunc; + int blkaddr, rc; + + blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0); + if (blkaddr < 0) + return NPC_MCAM_INVALID_REQ; + + mutex_lock(&mcam->lock); + rc = npc_mcam_verify_entry(mcam, pcifunc, req->entry); + if (!rc) { + npc_read_mcam_entry(rvu, mcam, blkaddr, req->entry, + &rsp->entry_data, + &rsp->intf, &rsp->enable); + } + + mutex_unlock(&mcam->lock); + return rc; +} + int rvu_mbox_handler_npc_mcam_write_entry(struct rvu *rvu, struct npc_mcam_write_entry_req *req, struct msg_rsp *rsp) { struct npc_mcam *mcam = &rvu->hw->mcam; u16 pcifunc = req->hdr.pcifunc; + u16 channel, chan_mask; int blkaddr, rc; blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0); if (blkaddr < 0) return NPC_MCAM_INVALID_REQ; + chan_mask = req->entry_data.kw_mask[0] & NPC_KEX_CHAN_MASK; + channel = req->entry_data.kw[0] & NPC_KEX_CHAN_MASK; + channel &= chan_mask; + mutex_lock(&mcam->lock); rc = npc_mcam_verify_entry(mcam, pcifunc, req->entry); if (rc) @@ -1745,6 +2151,17 @@ int rvu_mbox_handler_npc_mcam_write_entry(struct rvu *rvu, goto exit; } + if (npc_mcam_verify_channel(rvu, pcifunc, req->intf, channel)) { + rc = NPC_MCAM_INVALID_REQ; + goto exit; + } + + if (npc_mcam_verify_pf_func(rvu, &req->entry_data, req->intf, + pcifunc)) { + rc = NPC_MCAM_INVALID_REQ; + goto exit; + } + npc_config_mcam_entry(rvu, mcam, blkaddr, req->entry, req->intf, &req->entry_data, req->enable_entry); @@ -1967,10 +2384,11 @@ int rvu_mbox_handler_npc_mcam_free_counter(struct rvu *rvu, index = find_next_bit(mcam->bmap, mcam->bmap_entries, entry); if (index >= mcam->bmap_entries) break; + entry = index + 1; + if (mcam->entry2cntr_map[index] != req->cntr) continue; - entry = index + 1; npc_unmap_mcam_entry_and_cntr(rvu, mcam, blkaddr, index, req->cntr); } @@ -2013,10 +2431,11 @@ int rvu_mbox_handler_npc_mcam_unmap_counter(struct rvu *rvu, index = find_next_bit(mcam->bmap, mcam->bmap_entries, entry); if (index >= mcam->bmap_entries) break; + entry = index + 1; + if (mcam->entry2cntr_map[index] != req->cntr) continue; - entry = index + 1; npc_unmap_mcam_entry_and_cntr(rvu, mcam, blkaddr, index, req->cntr); } @@ -2080,6 +2499,7 @@ int rvu_mbox_handler_npc_mcam_alloc_and_write_entry(struct rvu *rvu, struct npc_mcam *mcam = &rvu->hw->mcam; u16 entry = NPC_MCAM_ENTRY_INVALID; u16 cntr = NPC_MCAM_ENTRY_INVALID; + u16 channel, chan_mask; int blkaddr, rc; blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0); @@ -2089,6 +2509,17 @@ int rvu_mbox_handler_npc_mcam_alloc_and_write_entry(struct rvu *rvu, if (req->intf != NIX_INTF_RX && req->intf != NIX_INTF_TX) return NPC_MCAM_INVALID_REQ; + chan_mask = req->entry_data.kw_mask[0] & NPC_KEX_CHAN_MASK; + channel = req->entry_data.kw[0] & NPC_KEX_CHAN_MASK; + channel &= chan_mask; + + if (npc_mcam_verify_channel(rvu, req->hdr.pcifunc, req->intf, channel)) + return NPC_MCAM_INVALID_REQ; + + if (npc_mcam_verify_pf_func(rvu, &req->entry_data, req->intf, + req->hdr.pcifunc)) + return NPC_MCAM_INVALID_REQ; + /* Try to allocate a MCAM entry */ entry_req.hdr.pcifunc = req->hdr.pcifunc; entry_req.contig = true; @@ -2187,26 +2618,70 @@ int rvu_mbox_handler_npc_get_kex_cfg(struct rvu *rvu, struct msg_req *req, return 0; } -int rvu_npc_update_rxvlan(struct rvu *rvu, u16 pcifunc, int nixlf) +bool rvu_npc_write_default_rule(struct rvu *rvu, int blkaddr, int nixlf, + u16 pcifunc, u8 intf, struct mcam_entry *entry, + int *index) { - struct rvu_pfvf *pfvf = rvu_get_pfvf(rvu, pcifunc); struct npc_mcam *mcam = &rvu->hw->mcam; - int blkaddr, index; bool enable; - blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0); - if (blkaddr < 0) - return NIX_AF_ERR_AF_LF_INVALID; + *index = npc_get_nixlf_mcam_index(mcam, pcifunc, + nixlf, NIXLF_UCAST_ENTRY); + /* dont force enable unicast entry */ + enable = is_mcam_entry_enabled(rvu, mcam, blkaddr, *index); + npc_config_mcam_entry(rvu, mcam, blkaddr, *index, intf, entry, enable); - if (!pfvf->rxvlan) - return 0; + return enable; +} - index = npc_get_nixlf_mcam_index(mcam, pcifunc, nixlf, - NIXLF_UCAST_ENTRY); - pfvf->entry.action = npc_get_mcam_action(rvu, mcam, blkaddr, index); - enable = is_mcam_entry_enabled(rvu, mcam, blkaddr, index); - npc_config_mcam_entry(rvu, mcam, blkaddr, pfvf->rxvlan_index, - NIX_INTF_RX, &pfvf->entry, enable); +int rvu_mbox_handler_npc_set_pkind(struct rvu *rvu, + struct npc_set_pkind *req, + struct msg_rsp *rsp) +{ + struct rvu_pfvf *pfvf = rvu_get_pfvf(rvu, req->hdr.pcifunc); + int pf = rvu_get_pf(req->hdr.pcifunc); + int blkaddr, nixlf, rc; + u64 rxpkind, txpkind; + u8 cgx_id, lmac_id; + + /* use default pkind to disable edsa/higig */ + rxpkind = rvu_npc_get_pkind(rvu, pf); + txpkind = NPC_TX_DEF_PKIND; + + if (req->mode & OTX2_PRIV_FLAGS_EDSA) { + rxpkind = NPC_RX_EDSA_PKIND; + } else if (req->mode & OTX2_PRIV_FLAGS_HIGIG) { + rxpkind = NPC_RX_HIGIG_PKIND; + txpkind = NPC_TX_HIGIG_PKIND; + } else if (req->mode & OTX2_PRIV_FLAGS_CUSTOM) { + rxpkind = req->pkind; + txpkind = req->pkind; + } + + if (req->dir & PKIND_RX) { + /* rx pkind set req valid only for cgx mapped PFs */ + if (!is_cgx_config_permitted(rvu, req->hdr.pcifunc)) + return 0; + rvu_get_cgx_lmac_id(pfvf->cgx_lmac, &cgx_id, &lmac_id); + + rc = cgx_set_pkind(rvu_cgx_pdata(cgx_id, rvu), + lmac_id, rxpkind); + if (rc) + return rc; + } + + if (req->dir & PKIND_TX) { + blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NIX, req->hdr.pcifunc); + + /* tx pkind set req valid if NIXLF attached */ + if (!pfvf->nixlf || blkaddr < 0) + return NIX_AF_ERR_AF_LF_INVALID; + nixlf = rvu_get_lf(rvu, &rvu->hw->block[blkaddr], + req->hdr.pcifunc, 0); + + rvu_write64(rvu, blkaddr, NIX_AF_LFX_TX_PARSE_CFG(nixlf), + txpkind); + } return 0; } |