diff options
Diffstat (limited to 'drivers/net/ethernet/marvell')
9 files changed, 51 insertions, 25 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c index 9169849881bf..544c96c8fe1d 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c @@ -1504,8 +1504,8 @@ static int cgx_lmac_init(struct cgx *cgx) /* Add reference */ cgx->lmac_idmap[lmac->lmac_id] = lmac; - cgx->mac_ops->mac_pause_frm_config(cgx, lmac->lmac_id, true); set_bit(lmac->lmac_id, &cgx->lmac_bmap); + cgx->mac_ops->mac_pause_frm_config(cgx, lmac->lmac_id, true); } return cgx_lmac_verify_fwi_version(cgx); diff --git a/drivers/net/ethernet/marvell/octeontx2/af/npc.h b/drivers/net/ethernet/marvell/octeontx2/af/npc.h index 19bad9a59c8f..243cf8070e77 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/npc.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/npc.h @@ -151,7 +151,10 @@ enum npc_kpu_lh_ltype { * Software assigns pkind for each incoming port such as CGX * Ethernet interfaces, LBK interfaces, etc. */ +#define NPC_UNRESERVED_PKIND_COUNT NPC_RX_VLAN_EXDSA_PKIND + enum npc_pkind_type { + NPC_RX_LBK_PKIND = 0ULL, NPC_RX_VLAN_EXDSA_PKIND = 56ULL, NPC_RX_CHLEN24B_PKIND = 57ULL, NPC_RX_CPT_HDR_PKIND, diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c index 017163fb3cd5..5fe277e354f7 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c @@ -391,8 +391,10 @@ void rvu_get_pf_numvfs(struct rvu *rvu, int pf, int *numvfs, int *hwvf) /* Get numVFs attached to this PF and first HWVF */ cfg = rvu_read64(rvu, BLKADDR_RVUM, RVU_PRIV_PFX_CFG(pf)); - *numvfs = (cfg >> 12) & 0xFF; - *hwvf = cfg & 0xFFF; + if (numvfs) + *numvfs = (cfg >> 12) & 0xFF; + if (hwvf) + *hwvf = cfg & 0xFFF; } static int rvu_get_hwvf(struct rvu *rvu, int pcifunc) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c index 0933699a0d2d..4bfbbdf38770 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c @@ -196,11 +196,22 @@ static void nix_rx_sync(struct rvu *rvu, int blkaddr) { int err; - /*Sync all in flight RX packets to LLC/DRAM */ + /* Sync all in flight RX packets to LLC/DRAM */ rvu_write64(rvu, blkaddr, NIX_AF_RX_SW_SYNC, BIT_ULL(0)); err = rvu_poll_reg(rvu, blkaddr, NIX_AF_RX_SW_SYNC, BIT_ULL(0), true); if (err) - dev_err(rvu->dev, "NIX RX software sync failed\n"); + dev_err(rvu->dev, "SYNC1: NIX RX software sync failed\n"); + + /* SW_SYNC ensures all existing transactions are finished and pkts + * are written to LLC/DRAM, queues should be teared down after + * successful SW_SYNC. Due to a HW errata, in some rare scenarios + * an existing transaction might end after SW_SYNC operation. To + * ensure operation is fully done, do the SW_SYNC twice. + */ + rvu_write64(rvu, blkaddr, NIX_AF_RX_SW_SYNC, BIT_ULL(0)); + err = rvu_poll_reg(rvu, blkaddr, NIX_AF_RX_SW_SYNC, BIT_ULL(0), true); + if (err) + dev_err(rvu->dev, "SYNC2: NIX RX software sync failed\n"); } static bool is_valid_txschq(struct rvu *rvu, int blkaddr, @@ -298,6 +309,7 @@ static int nix_interface_init(struct rvu *rvu, u16 pcifunc, int type, int nixlf) rvu_nix_chan_lbk(rvu, lbkid, vf + 1); pfvf->rx_chan_cnt = 1; pfvf->tx_chan_cnt = 1; + rvu_npc_set_pkind(rvu, NPC_RX_LBK_PKIND, pfvf); rvu_npc_install_promisc_entry(rvu, pcifunc, nixlf, pfvf->rx_chan_base, pfvf->rx_chan_cnt); @@ -3842,7 +3854,6 @@ static void rvu_nix_block_freemem(struct rvu *rvu, int blkaddr, vlan = &nix_hw->txvlan; kfree(vlan->rsrc.bmap); mutex_destroy(&vlan->rsrc_lock); - devm_kfree(rvu->dev, vlan->entry2pfvf_map); mcast = &nix_hw->mcast; qmem_free(rvu->dev, mcast->mce_ctx); diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c index 1097291aaa45..52b255426c22 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c @@ -1721,7 +1721,6 @@ static void npc_parser_profile_init(struct rvu *rvu, int blkaddr) { struct rvu_hwinfo *hw = rvu->hw; int num_pkinds, num_kpus, idx; - struct npc_pkind *pkind; /* Disable all KPUs and their entries */ for (idx = 0; idx < hw->npc_kpus; idx++) { @@ -1739,9 +1738,8 @@ static void npc_parser_profile_init(struct rvu *rvu, int blkaddr) * Check HW max count to avoid configuring junk or * writing to unsupported CSR addresses. */ - pkind = &hw->pkind; num_pkinds = rvu->kpu.pkinds; - num_pkinds = min_t(int, pkind->rsrc.max, num_pkinds); + num_pkinds = min_t(int, hw->npc_pkinds, num_pkinds); for (idx = 0; idx < num_pkinds; idx++) npc_config_kpuaction(rvu, blkaddr, &rvu->kpu.ikpu[idx], 0, idx, true); @@ -1891,7 +1889,8 @@ static void rvu_npc_hw_init(struct rvu *rvu, int blkaddr) if (npc_const1 & BIT_ULL(63)) npc_const2 = rvu_read64(rvu, blkaddr, NPC_AF_CONST2); - pkind->rsrc.max = (npc_const1 >> 12) & 0xFFULL; + pkind->rsrc.max = NPC_UNRESERVED_PKIND_COUNT; + hw->npc_pkinds = (npc_const1 >> 12) & 0xFFULL; hw->npc_kpu_entries = npc_const1 & 0xFFFULL; hw->npc_kpus = (npc_const >> 8) & 0x1FULL; hw->npc_intfs = npc_const & 0xFULL; @@ -2002,6 +2001,10 @@ int rvu_npc_init(struct rvu *rvu) err = rvu_alloc_bitmap(&pkind->rsrc); if (err) return err; + /* Reserve PKIND#0 for LBKs. Power reset value of LBK_CH_PKIND is '0', + * no need to configure PKIND for all LBKs separately. + */ + rvu_alloc_rsrc(&pkind->rsrc); /* Allocate mem for pkind to PF and channel mapping info */ pkind->pfchan_map = devm_kcalloc(rvu->dev, pkind->rsrc.max, diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_switch.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_switch.c index 2e5379710aa5..820adf390b8e 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_switch.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_switch.c @@ -71,8 +71,8 @@ static int rvu_switch_install_rules(struct rvu *rvu) struct rvu_switch *rswitch = &rvu->rswitch; u16 start = rswitch->start_entry; struct rvu_hwinfo *hw = rvu->hw; - int pf, vf, numvfs, hwvf; u16 pcifunc, entry = 0; + int pf, vf, numvfs; int err; for (pf = 1; pf < hw->total_pfs; pf++) { @@ -110,8 +110,8 @@ static int rvu_switch_install_rules(struct rvu *rvu) rswitch->entry2pcifunc[entry++] = pcifunc; - rvu_get_pf_numvfs(rvu, pf, &numvfs, &hwvf); - for (vf = 0; vf < numvfs; vf++, hwvf++) { + rvu_get_pf_numvfs(rvu, pf, &numvfs, NULL); + for (vf = 0; vf < numvfs; vf++) { pcifunc = pf << 10 | ((vf + 1) & 0x3FF); rvu_get_nix_blkaddr(rvu, pcifunc); @@ -198,7 +198,7 @@ void rvu_switch_disable(struct rvu *rvu) struct npc_mcam_free_entry_req free_req = { 0 }; struct rvu_switch *rswitch = &rvu->rswitch; struct rvu_hwinfo *hw = rvu->hw; - int pf, vf, numvfs, hwvf; + int pf, vf, numvfs; struct msg_rsp rsp; u16 pcifunc; int err; @@ -217,7 +217,8 @@ void rvu_switch_disable(struct rvu *rvu) "Reverting RX rule for PF%d failed(%d)\n", pf, err); - for (vf = 0; vf < numvfs; vf++, hwvf++) { + rvu_get_pf_numvfs(rvu, pf, &numvfs, NULL); + for (vf = 0; vf < numvfs; vf++) { pcifunc = pf << 10 | ((vf + 1) & 0x3FF); err = rvu_switch_install_rx_rule(rvu, pcifunc, 0xFFF); if (err) diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c index 7cccd802c4ed..70fcc1fd962f 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c @@ -924,12 +924,14 @@ static int otx2_cq_init(struct otx2_nic *pfvf, u16 qidx) aq->cq.drop = RQ_DROP_LVL_CQ(pfvf->hw.rq_skid, cq->cqe_cnt); aq->cq.drop_ena = 1; - /* Enable receive CQ backpressure */ - aq->cq.bp_ena = 1; - aq->cq.bpid = pfvf->bpid[0]; + if (!is_otx2_lbkvf(pfvf->pdev)) { + /* Enable receive CQ backpressure */ + aq->cq.bp_ena = 1; + aq->cq.bpid = pfvf->bpid[0]; - /* Set backpressure level is same as cq pass level */ - aq->cq.bp = RQ_PASS_LVL_CQ(pfvf->hw.rq_skid, qset->rqe_cnt); + /* Set backpressure level is same as cq pass level */ + aq->cq.bp = RQ_PASS_LVL_CQ(pfvf->hw.rq_skid, qset->rqe_cnt); + } } /* Fill AQ info */ @@ -1186,7 +1188,7 @@ static int otx2_aura_init(struct otx2_nic *pfvf, int aura_id, aq->aura.fc_hyst_bits = 0; /* Store count on all updates */ /* Enable backpressure for RQ aura */ - if (aura_id < pfvf->hw.rqpool_cnt) { + if (aura_id < pfvf->hw.rqpool_cnt && !is_otx2_lbkvf(pfvf->pdev)) { aq->aura.bp_ena = 0; aq->aura.nix0_bpid = pfvf->bpid[0]; /* Set backpressure level for RQ's Aura */ diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c index 8df748e0677b..b906a0eb6e0d 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c @@ -298,15 +298,14 @@ static int otx2_set_channels(struct net_device *dev, err = otx2_set_real_num_queues(dev, channel->tx_count, channel->rx_count); if (err) - goto fail; + return err; pfvf->hw.rx_queues = channel->rx_count; pfvf->hw.tx_queues = channel->tx_count; pfvf->qset.cq_cnt = pfvf->hw.tx_queues + pfvf->hw.rx_queues; -fail: if (if_up) - dev->netdev_ops->ndo_open(dev); + err = dev->netdev_ops->ndo_open(dev); netdev_info(dev, "Setting num Tx rings to %d, Rx rings to %d success\n", pfvf->hw.tx_queues, pfvf->hw.rx_queues); @@ -410,7 +409,7 @@ static int otx2_set_ringparam(struct net_device *netdev, qs->rqe_cnt = rx_count; if (if_up) - netdev->netdev_ops->ndo_open(netdev); + return netdev->netdev_ops->ndo_open(netdev); return 0; } diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c index f300b807a85b..2c24944a4dba 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c @@ -1662,6 +1662,7 @@ int otx2_open(struct net_device *netdev) err_tx_stop_queues: netif_tx_stop_all_queues(netdev); netif_carrier_off(netdev); + pf->flags |= OTX2_FLAG_INTF_DOWN; err_free_cints: otx2_free_cints(pf, qidx); vec = pci_irq_vector(pf->pdev, @@ -1689,6 +1690,10 @@ int otx2_stop(struct net_device *netdev) struct otx2_rss_info *rss; int qidx, vec, wrk; + /* If the DOWN flag is set resources are already freed */ + if (pf->flags & OTX2_FLAG_INTF_DOWN) + return 0; + netif_carrier_off(netdev); netif_tx_stop_all_queues(netdev); |