diff options
Diffstat (limited to 'drivers/net/ethernet/freescale')
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c | 8 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-trace.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 185 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h | 12 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpni.c | 8 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/enetc/enetc.c | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/enetc/enetc_hw.h | 24 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/enetc/enetc_qos.c | 205 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/fec_main.c | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/xgmac_mdio.c | 33 |
11 files changed, 409 insertions, 81 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c index c453a23045c1..56d9927fbfda 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c @@ -21,7 +21,7 @@ static int dpaa2_dbg_cpu_show(struct seq_file *file, void *offset) seq_printf(file, "Per-CPU stats for %s\n", priv->net_dev->name); seq_printf(file, "%s%16s%16s%16s%16s%16s%16s%16s%16s%16s\n", "CPU", "Rx", "Rx Err", "Rx SG", "Tx", "Tx Err", "Tx conf", - "Tx SG", "Tx realloc", "Enq busy"); + "Tx SG", "Tx converted to SG", "Enq busy"); for_each_online_cpu(i) { stats = per_cpu_ptr(priv->percpu_stats, i); @@ -35,7 +35,7 @@ static int dpaa2_dbg_cpu_show(struct seq_file *file, void *offset) stats->tx_errors, extras->tx_conf_frames, extras->tx_sg_frames, - extras->tx_reallocs, + extras->tx_converted_sg_frames, extras->tx_portal_busy); } @@ -90,6 +90,10 @@ static int dpaa2_dbg_fqs_show(struct seq_file *file, void *offset) if (err) fcnt = 0; + /* Skip FQs with no traffic */ + if (!fq->stats.frames && !fcnt) + continue; + seq_printf(file, "%5d%16d%16d%16s%16llu%16u\n", fq->fqid, fq->target_cpu, diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-trace.h b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-trace.h index 9801528db2a5..5fb5f14e01ec 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-trace.h +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-trace.h @@ -10,7 +10,6 @@ #include <linux/skbuff.h> #include <linux/netdevice.h> -#include "dpaa2-eth.h" #include <linux/tracepoint.h> #define TR_FMT "[%s] fd: addr=0x%llx, len=%u, off=%u" diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c index f150cd454fa4..d0cc1dc49aaa 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c @@ -611,6 +611,10 @@ static int build_sg_fd(struct dpaa2_eth_priv *priv, sg_init_table(scl, nr_frags + 1); num_sg = skb_to_sgvec(skb, scl, 0, skb->len); + if (unlikely(num_sg < 0)) { + err = -ENOMEM; + goto dma_map_sg_failed; + } num_dma_bufs = dma_map_sg(dev, scl, num_sg, DMA_BIDIRECTIONAL); if (unlikely(!num_dma_bufs)) { err = -ENOMEM; @@ -681,6 +685,86 @@ dma_map_sg_failed: return err; } +/* Create a SG frame descriptor based on a linear skb. + * + * This function is used on the Tx path when the skb headroom is not large + * enough for the HW requirements, thus instead of realloc-ing the skb we + * create a SG frame descriptor with only one entry. + */ +static int build_sg_fd_single_buf(struct dpaa2_eth_priv *priv, + struct sk_buff *skb, + struct dpaa2_fd *fd) +{ + struct device *dev = priv->net_dev->dev.parent; + struct dpaa2_eth_sgt_cache *sgt_cache; + struct dpaa2_sg_entry *sgt; + struct dpaa2_eth_swa *swa; + dma_addr_t addr, sgt_addr; + void *sgt_buf = NULL; + int sgt_buf_size; + int err; + + /* Prepare the HW SGT structure */ + sgt_cache = this_cpu_ptr(priv->sgt_cache); + sgt_buf_size = priv->tx_data_offset + sizeof(struct dpaa2_sg_entry); + + if (sgt_cache->count == 0) + sgt_buf = kzalloc(sgt_buf_size + DPAA2_ETH_TX_BUF_ALIGN, + GFP_ATOMIC); + else + sgt_buf = sgt_cache->buf[--sgt_cache->count]; + if (unlikely(!sgt_buf)) + return -ENOMEM; + + sgt_buf = PTR_ALIGN(sgt_buf, DPAA2_ETH_TX_BUF_ALIGN); + sgt = (struct dpaa2_sg_entry *)(sgt_buf + priv->tx_data_offset); + + addr = dma_map_single(dev, skb->data, skb->len, DMA_BIDIRECTIONAL); + if (unlikely(dma_mapping_error(dev, addr))) { + err = -ENOMEM; + goto data_map_failed; + } + + /* Fill in the HW SGT structure */ + dpaa2_sg_set_addr(sgt, addr); + dpaa2_sg_set_len(sgt, skb->len); + dpaa2_sg_set_final(sgt, true); + + /* Store the skb backpointer in the SGT buffer */ + swa = (struct dpaa2_eth_swa *)sgt_buf; + swa->type = DPAA2_ETH_SWA_SINGLE; + swa->single.skb = skb; + swa->sg.sgt_size = sgt_buf_size; + + /* Separately map the SGT buffer */ + sgt_addr = dma_map_single(dev, sgt_buf, sgt_buf_size, DMA_BIDIRECTIONAL); + if (unlikely(dma_mapping_error(dev, sgt_addr))) { + err = -ENOMEM; + goto sgt_map_failed; + } + + dpaa2_fd_set_offset(fd, priv->tx_data_offset); + dpaa2_fd_set_format(fd, dpaa2_fd_sg); + dpaa2_fd_set_addr(fd, sgt_addr); + dpaa2_fd_set_len(fd, skb->len); + dpaa2_fd_set_ctrl(fd, FD_CTRL_PTA); + + if (priv->tx_tstamp && skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) + enable_tx_tstamp(fd, sgt_buf); + + return 0; + +sgt_map_failed: + dma_unmap_single(dev, addr, skb->len, DMA_BIDIRECTIONAL); +data_map_failed: + if (sgt_cache->count >= DPAA2_ETH_SGT_CACHE_SIZE) + kfree(sgt_buf); + else + sgt_cache->buf[sgt_cache->count++] = sgt_buf; + + return err; +} + /* Create a frame descriptor based on a linear skb */ static int build_single_fd(struct dpaa2_eth_priv *priv, struct sk_buff *skb, @@ -739,13 +823,16 @@ static void free_tx_fd(const struct dpaa2_eth_priv *priv, const struct dpaa2_fd *fd, bool in_napi) { struct device *dev = priv->net_dev->dev.parent; - dma_addr_t fd_addr; + dma_addr_t fd_addr, sg_addr; struct sk_buff *skb = NULL; unsigned char *buffer_start; struct dpaa2_eth_swa *swa; u8 fd_format = dpaa2_fd_get_format(fd); u32 fd_len = dpaa2_fd_get_len(fd); + struct dpaa2_eth_sgt_cache *sgt_cache; + struct dpaa2_sg_entry *sgt; + fd_addr = dpaa2_fd_get_addr(fd); buffer_start = dpaa2_iova_to_virt(priv->iommu_domain, fd_addr); swa = (struct dpaa2_eth_swa *)buffer_start; @@ -765,16 +852,29 @@ static void free_tx_fd(const struct dpaa2_eth_priv *priv, DMA_BIDIRECTIONAL); } } else if (fd_format == dpaa2_fd_sg) { - skb = swa->sg.skb; + if (swa->type == DPAA2_ETH_SWA_SG) { + skb = swa->sg.skb; + + /* Unmap the scatterlist */ + dma_unmap_sg(dev, swa->sg.scl, swa->sg.num_sg, + DMA_BIDIRECTIONAL); + kfree(swa->sg.scl); + + /* Unmap the SGT buffer */ + dma_unmap_single(dev, fd_addr, swa->sg.sgt_size, + DMA_BIDIRECTIONAL); + } else { + skb = swa->single.skb; - /* Unmap the scatterlist */ - dma_unmap_sg(dev, swa->sg.scl, swa->sg.num_sg, - DMA_BIDIRECTIONAL); - kfree(swa->sg.scl); + /* Unmap the SGT Buffer */ + dma_unmap_single(dev, fd_addr, swa->single.sgt_size, + DMA_BIDIRECTIONAL); - /* Unmap the SGT buffer */ - dma_unmap_single(dev, fd_addr, swa->sg.sgt_size, - DMA_BIDIRECTIONAL); + sgt = (struct dpaa2_sg_entry *)(buffer_start + + priv->tx_data_offset); + sg_addr = dpaa2_sg_get_addr(sgt); + dma_unmap_single(dev, sg_addr, skb->len, DMA_BIDIRECTIONAL); + } } else { netdev_dbg(priv->net_dev, "Invalid FD format\n"); return; @@ -804,8 +904,17 @@ static void free_tx_fd(const struct dpaa2_eth_priv *priv, } /* Free SGT buffer allocated on tx */ - if (fd_format != dpaa2_fd_single) - skb_free_frag(buffer_start); + if (fd_format != dpaa2_fd_single) { + sgt_cache = this_cpu_ptr(priv->sgt_cache); + if (swa->type == DPAA2_ETH_SWA_SG) { + skb_free_frag(buffer_start); + } else { + if (sgt_cache->count >= DPAA2_ETH_SGT_CACHE_SIZE) + kfree(buffer_start); + else + sgt_cache->buf[sgt_cache->count++] = buffer_start; + } + } /* Move on with skb release */ napi_consume_skb(skb, in_napi); @@ -829,22 +938,6 @@ static netdev_tx_t dpaa2_eth_tx(struct sk_buff *skb, struct net_device *net_dev) percpu_extras = this_cpu_ptr(priv->percpu_extras); needed_headroom = dpaa2_eth_needed_headroom(priv, skb); - if (skb_headroom(skb) < needed_headroom) { - struct sk_buff *ns; - - ns = skb_realloc_headroom(skb, needed_headroom); - if (unlikely(!ns)) { - percpu_stats->tx_dropped++; - goto err_alloc_headroom; - } - percpu_extras->tx_reallocs++; - - if (skb->sk) - skb_set_owner_w(ns, skb->sk); - - dev_kfree_skb(skb); - skb = ns; - } /* We'll be holding a back-reference to the skb until Tx Confirmation; * we don't want that overwritten by a concurrent Tx with a cloned skb. @@ -863,6 +956,12 @@ static netdev_tx_t dpaa2_eth_tx(struct sk_buff *skb, struct net_device *net_dev) err = build_sg_fd(priv, skb, &fd); percpu_extras->tx_sg_frames++; percpu_extras->tx_sg_bytes += skb->len; + } else if (skb_headroom(skb) < needed_headroom) { + err = build_sg_fd_single_buf(priv, skb, &fd); + percpu_extras->tx_sg_frames++; + percpu_extras->tx_sg_bytes += skb->len; + percpu_extras->tx_converted_sg_frames++; + percpu_extras->tx_converted_sg_bytes += skb->len; } else { err = build_single_fd(priv, skb, &fd); } @@ -920,7 +1019,6 @@ static netdev_tx_t dpaa2_eth_tx(struct sk_buff *skb, struct net_device *net_dev) return NETDEV_TX_OK; err_build_fd: -err_alloc_headroom: dev_kfree_skb(skb); return NETDEV_TX_OK; @@ -1109,7 +1207,7 @@ static void drain_bufs(struct dpaa2_eth_priv *priv, int count) buf_array, count); if (ret < 0) { if (ret == -EBUSY && - retries++ >= DPAA2_ETH_SWP_BUSY_RETRIES) + retries++ < DPAA2_ETH_SWP_BUSY_RETRIES) continue; netdev_err(priv->net_dev, "dpaa2_io_service_acquire() failed\n"); return; @@ -1157,6 +1255,22 @@ static int refill_pool(struct dpaa2_eth_priv *priv, return 0; } +static void dpaa2_eth_sgt_cache_drain(struct dpaa2_eth_priv *priv) +{ + struct dpaa2_eth_sgt_cache *sgt_cache; + u16 count; + int k, i; + + for_each_possible_cpu(k) { + sgt_cache = per_cpu_ptr(priv->sgt_cache, k); + count = sgt_cache->count; + + for (i = 0; i < count; i++) + kfree(sgt_cache->buf[i]); + sgt_cache->count = 0; + } +} + static int pull_channel(struct dpaa2_eth_channel *ch) { int err; @@ -1558,6 +1672,9 @@ static int dpaa2_eth_stop(struct net_device *net_dev) /* Empty the buffer pool */ drain_pool(priv); + /* Empty the Scatter-Gather Buffer cache */ + dpaa2_eth_sgt_cache_drain(priv); + return 0; } @@ -3842,6 +3959,13 @@ static int dpaa2_eth_probe(struct fsl_mc_device *dpni_dev) goto err_alloc_percpu_extras; } + priv->sgt_cache = alloc_percpu(*priv->sgt_cache); + if (!priv->sgt_cache) { + dev_err(dev, "alloc_percpu(sgt_cache) failed\n"); + err = -ENOMEM; + goto err_alloc_sgt_cache; + } + err = netdev_init(net_dev); if (err) goto err_netdev_init; @@ -3910,6 +4034,8 @@ err_poll_thread: err_alloc_rings: err_csum: err_netdev_init: + free_percpu(priv->sgt_cache); +err_alloc_sgt_cache: free_percpu(priv->percpu_extras); err_alloc_percpu_extras: free_percpu(priv->percpu_stats); @@ -3955,6 +4081,7 @@ static int dpaa2_eth_remove(struct fsl_mc_device *ls_dev) fsl_mc_free_irqs(ls_dev); free_rings(priv); + free_percpu(priv->sgt_cache); free_percpu(priv->percpu_stats); free_percpu(priv->percpu_extras); diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h index 2d7ada0f0dbd..9138a35a68f9 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h @@ -125,6 +125,7 @@ struct dpaa2_eth_swa { union { struct { struct sk_buff *skb; + int sgt_size; } single; struct { struct sk_buff *skb; @@ -282,9 +283,11 @@ struct dpaa2_eth_drv_stats { __u64 tx_conf_bytes; __u64 tx_sg_frames; __u64 tx_sg_bytes; - __u64 tx_reallocs; __u64 rx_sg_frames; __u64 rx_sg_bytes; + /* Linear skbs sent as a S/G FD due to insufficient headroom */ + __u64 tx_converted_sg_frames; + __u64 tx_converted_sg_bytes; /* Enqueues retried due to portal busy */ __u64 tx_portal_busy; }; @@ -395,6 +398,12 @@ struct dpaa2_eth_cls_rule { u8 in_use; }; +#define DPAA2_ETH_SGT_CACHE_SIZE 256 +struct dpaa2_eth_sgt_cache { + void *buf[DPAA2_ETH_SGT_CACHE_SIZE]; + u16 count; +}; + /* Driver private data */ struct dpaa2_eth_priv { struct net_device *net_dev; @@ -409,6 +418,7 @@ struct dpaa2_eth_priv { u8 num_channels; struct dpaa2_eth_channel *channel[DPAA2_ETH_MAX_DPCONS]; + struct dpaa2_eth_sgt_cache __percpu *sgt_cache; struct dpni_attr dpni_attrs; u16 dpni_ver_major; diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c index e88269fe3de7..8356f1fbbee1 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c @@ -43,9 +43,10 @@ static char dpaa2_ethtool_extras[][ETH_GSTRING_LEN] = { "[drv] tx conf bytes", "[drv] tx sg frames", "[drv] tx sg bytes", - "[drv] tx realloc frames", "[drv] rx sg frames", "[drv] rx sg bytes", + "[drv] tx converted sg frames", + "[drv] tx converted sg bytes", "[drv] enqueue portal busy", /* Channel stats */ "[drv] dequeue portal busy", diff --git a/drivers/net/ethernet/freescale/dpaa2/dpni.c b/drivers/net/ethernet/freescale/dpaa2/dpni.c index 6b479ba66465..426100607854 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpni.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpni.c @@ -1558,10 +1558,10 @@ int dpni_get_statistics(struct fsl_mc_io *mc_io, * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @cg_point: Congestion point - * @q_type: Queue type on which the taildrop is configured. + * @qtype: Queue type on which the taildrop is configured. * Only Rx queues are supported for now * @tc: Traffic class to apply this taildrop to - * @q_index: Index of the queue if the DPNI supports multiple queues for + * @index: Index of the queue if the DPNI supports multiple queues for * traffic distribution. Ignored if CONGESTION_POINT is not 0. * @taildrop: Taildrop structure * @@ -1602,10 +1602,10 @@ int dpni_set_taildrop(struct fsl_mc_io *mc_io, * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @cg_point: Congestion point - * @q_type: Queue type on which the taildrop is configured. + * @qtype: Queue type on which the taildrop is configured. * Only Rx queues are supported for now * @tc: Traffic class to apply this taildrop to - * @q_index: Index of the queue if the DPNI supports multiple queues for + * @index: Index of the queue if the DPNI supports multiple queues for * traffic distribution. Ignored if CONGESTION_POINT is not 0. * @taildrop: Taildrop structure * diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c index 22105d09bc89..3f32b85ba2cf 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.c +++ b/drivers/net/ethernet/freescale/enetc/enetc.c @@ -1713,7 +1713,7 @@ int enetc_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd) int enetc_alloc_msix(struct enetc_ndev_priv *priv) { struct pci_dev *pdev = priv->si->pdev; - int size, v_tx_rings; + int v_tx_rings; int i, n, err, nvec; nvec = ENETC_BDR_INT_BASE_IDX + priv->bdr_int_num; @@ -1728,15 +1728,13 @@ int enetc_alloc_msix(struct enetc_ndev_priv *priv) /* # of tx rings per int vector */ v_tx_rings = priv->num_tx_rings / priv->bdr_int_num; - size = sizeof(struct enetc_int_vector) + - sizeof(struct enetc_bdr) * v_tx_rings; for (i = 0; i < priv->bdr_int_num; i++) { struct enetc_int_vector *v; struct enetc_bdr *bdr; int j; - v = kzalloc(size, GFP_KERNEL); + v = kzalloc(struct_size(v, tx_ring, v_tx_rings), GFP_KERNEL); if (!v) { err = -ENOMEM; goto fail; diff --git a/drivers/net/ethernet/freescale/enetc/enetc_hw.h b/drivers/net/ethernet/freescale/enetc/enetc_hw.h index ce0d321c0639..fc357bc56835 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_hw.h +++ b/drivers/net/ethernet/freescale/enetc/enetc_hw.h @@ -570,6 +570,7 @@ enum bdcr_cmd_class { BDCR_CMD_STREAM_IDENTIFY, BDCR_CMD_STREAM_FILTER, BDCR_CMD_STREAM_GCL, + BDCR_CMD_FLOW_METER, __BDCR_CMD_MAX_LEN, BDCR_CMD_MAX_LEN = __BDCR_CMD_MAX_LEN - 1, }; @@ -736,10 +737,33 @@ struct sgcl_data { struct sgce sgcl[0]; }; +#define ENETC_CBDR_FMI_MR BIT(0) +#define ENETC_CBDR_FMI_MREN BIT(1) +#define ENETC_CBDR_FMI_DOY BIT(2) +#define ENETC_CBDR_FMI_CM BIT(3) +#define ENETC_CBDR_FMI_CF BIT(4) +#define ENETC_CBDR_FMI_NDOR BIT(5) +#define ENETC_CBDR_FMI_OALEN BIT(6) +#define ENETC_CBDR_FMI_IRFPP_MASK GENMASK(4, 0) + +/* class 10: command 0/1, Flow Meter Instance Set, short Format */ +struct fmi_conf { + __le32 cir; + __le32 cbs; + __le32 eir; + __le32 ebs; + u8 conf; + u8 res1; + u8 ir_fpp; + u8 res2[4]; + u8 en; +}; + struct enetc_cbd { union{ struct sfi_conf sfi_conf; struct sgi_table sgi_table; + struct fmi_conf fmi_conf; struct { __le32 addr[2]; union { diff --git a/drivers/net/ethernet/freescale/enetc/enetc_qos.c b/drivers/net/ethernet/freescale/enetc/enetc_qos.c index fd3df19eaa32..a9939550fa8f 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_qos.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_qos.c @@ -389,6 +389,7 @@ struct enetc_psfp_filter { u32 index; s32 handle; s8 prio; + u32 maxsdu; u32 gate_id; s32 meter_id; refcount_t refcount; @@ -407,10 +408,26 @@ struct enetc_psfp_gate { struct action_gate_entry entries[0]; }; +/* Only enable the green color frame now + * Will add eir and ebs color blind, couple flag etc when + * policing action add more offloading parameters + */ +struct enetc_psfp_meter { + u32 index; + u32 cir; + u32 cbs; + refcount_t refcount; + struct hlist_node node; +}; + +#define ENETC_PSFP_FLAGS_FMI BIT(0) + struct enetc_stream_filter { struct enetc_streamid sid; u32 sfi_index; u32 sgi_index; + u32 flags; + u32 fmi_index; struct flow_stats stats; struct hlist_node node; }; @@ -421,6 +438,7 @@ struct enetc_psfp { struct hlist_head stream_list; struct hlist_head psfp_filter_list; struct hlist_head psfp_gate_list; + struct hlist_head psfp_meter_list; spinlock_t psfp_lock; /* spinlock for the struct enetc_psfp r/w */ }; @@ -430,6 +448,12 @@ static struct actions_fwd enetc_act_fwd[] = { BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS), FILTER_ACTION_TYPE_PSFP }, + { + BIT(FLOW_ACTION_POLICE) | + BIT(FLOW_ACTION_GATE), + BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS), + FILTER_ACTION_TYPE_PSFP + }, /* example for ACL actions */ { BIT(FLOW_ACTION_DROP), @@ -487,7 +511,7 @@ static int enetc_streamid_hw_set(struct enetc_ndev_priv *priv, cbd.addr[0] = lower_32_bits(dma); cbd.addr[1] = upper_32_bits(dma); - memset(si_data->dmac, 0xff, ETH_ALEN); + eth_broadcast_addr(si_data->dmac); si_data->vid_vidm_tg = cpu_to_le16(ENETC_CBDR_SID_VID_MASK + ((0x3 << 14) | ENETC_CBDR_SID_VIDM)); @@ -594,8 +618,12 @@ static int enetc_streamfilter_hw_set(struct enetc_ndev_priv *priv, /* Filter Type. Identifies the contents of the MSDU/FM_INST_INDEX * field as being either an MSDU value or an index into the Flow * Meter Instance table. - * TODO: no limit max sdu */ + if (sfi->maxsdu) { + sfi_config->msdu = + cpu_to_le16(sfi->maxsdu); + sfi_config->multi |= 0x40; + } if (sfi->meter_id >= 0) { sfi_config->fm_inst_table_index = cpu_to_le16(sfi->meter_id); @@ -831,6 +859,47 @@ exit: return err; } +static int enetc_flowmeter_hw_set(struct enetc_ndev_priv *priv, + struct enetc_psfp_meter *fmi, + u8 enable) +{ + struct enetc_cbd cbd = { .cmd = 0 }; + struct fmi_conf *fmi_config; + u64 temp = 0; + + cbd.index = cpu_to_le16((u16)fmi->index); + cbd.cls = BDCR_CMD_FLOW_METER; + cbd.status_flags = 0x80; + + if (!enable) + return enetc_send_cmd(priv->si, &cbd); + + fmi_config = &cbd.fmi_conf; + fmi_config->en = 0x80; + + if (fmi->cir) { + temp = (u64)8000 * fmi->cir; + temp = div_u64(temp, 3725); + } + + fmi_config->cir = cpu_to_le32((u32)temp); + fmi_config->cbs = cpu_to_le32(fmi->cbs); + + /* Default for eir ebs disable */ + fmi_config->eir = 0; + fmi_config->ebs = 0; + + /* Default: + * mark red disable + * drop on yellow disable + * color mode disable + * couple flag disable + */ + fmi_config->conf = 0; + + return enetc_send_cmd(priv->si, &cbd); +} + static struct enetc_stream_filter *enetc_get_stream_by_index(u32 index) { struct enetc_stream_filter *f; @@ -864,6 +933,17 @@ static struct enetc_psfp_filter *enetc_get_filter_by_index(u32 index) return NULL; } +static struct enetc_psfp_meter *enetc_get_meter_by_index(u32 index) +{ + struct enetc_psfp_meter *m; + + hlist_for_each_entry(m, &epsfp.psfp_meter_list, node) + if (m->index == index) + return m; + + return NULL; +} + static struct enetc_psfp_filter *enetc_psfp_check_sfi(struct enetc_psfp_filter *sfi) { @@ -872,6 +952,7 @@ static struct enetc_psfp_filter hlist_for_each_entry(s, &epsfp.psfp_filter_list, node) if (s->gate_id == sfi->gate_id && s->prio == sfi->prio && + s->maxsdu == sfi->maxsdu && s->meter_id == sfi->meter_id) return s; @@ -922,9 +1003,27 @@ static void stream_gate_unref(struct enetc_ndev_priv *priv, u32 index) } } +static void flow_meter_unref(struct enetc_ndev_priv *priv, u32 index) +{ + struct enetc_psfp_meter *fmi; + u8 z; + + fmi = enetc_get_meter_by_index(index); + WARN_ON(!fmi); + z = refcount_dec_and_test(&fmi->refcount); + if (z) { + enetc_flowmeter_hw_set(priv, fmi, false); + hlist_del(&fmi->node); + kfree(fmi); + } +} + static void remove_one_chain(struct enetc_ndev_priv *priv, struct enetc_stream_filter *filter) { + if (filter->flags & ENETC_PSFP_FLAGS_FMI) + flow_meter_unref(priv, filter->fmi_index); + stream_gate_unref(priv, filter->sgi_index); stream_filter_unref(priv, filter->sfi_index); @@ -935,7 +1034,8 @@ static void remove_one_chain(struct enetc_ndev_priv *priv, static int enetc_psfp_hw_set(struct enetc_ndev_priv *priv, struct enetc_streamid *sid, struct enetc_psfp_filter *sfi, - struct enetc_psfp_gate *sgi) + struct enetc_psfp_gate *sgi, + struct enetc_psfp_meter *fmi) { int err; @@ -953,8 +1053,16 @@ static int enetc_psfp_hw_set(struct enetc_ndev_priv *priv, if (err) goto revert_sfi; + if (fmi) { + err = enetc_flowmeter_hw_set(priv, fmi, true); + if (err) + goto revert_sgi; + } + return 0; +revert_sgi: + enetc_streamgate_hw_set(priv, sgi, false); revert_sfi: if (sfi) enetc_streamfilter_hw_set(priv, sfi, false); @@ -979,9 +1087,11 @@ static struct actions_fwd *enetc_check_flow_actions(u64 acts, static int enetc_psfp_parse_clsflower(struct enetc_ndev_priv *priv, struct flow_cls_offload *f) { + struct flow_action_entry *entryg = NULL, *entryp = NULL; struct flow_rule *rule = flow_cls_offload_flow_rule(f); struct netlink_ext_ack *extack = f->common.extack; struct enetc_stream_filter *filter, *old_filter; + struct enetc_psfp_meter *fmi = NULL, *old_fmi; struct enetc_psfp_filter *sfi, *old_sfi; struct enetc_psfp_gate *sgi, *old_sgi; struct flow_action_entry *entry; @@ -997,9 +1107,12 @@ static int enetc_psfp_parse_clsflower(struct enetc_ndev_priv *priv, flow_action_for_each(i, entry, &rule->action) if (entry->id == FLOW_ACTION_GATE) - break; + entryg = entry; + else if (entry->id == FLOW_ACTION_POLICE) + entryp = entry; - if (entry->id != FLOW_ACTION_GATE) + /* Not support without gate action */ + if (!entryg) return -EINVAL; filter = kzalloc(sizeof(*filter), GFP_KERNEL); @@ -1079,19 +1192,19 @@ static int enetc_psfp_parse_clsflower(struct enetc_ndev_priv *priv, } /* parsing gate action */ - if (entry->gate.index >= priv->psfp_cap.max_psfp_gate) { + if (entryg->gate.index >= priv->psfp_cap.max_psfp_gate) { NL_SET_ERR_MSG_MOD(extack, "No Stream Gate resource!"); err = -ENOSPC; goto free_filter; } - if (entry->gate.num_entries >= priv->psfp_cap.max_psfp_gatelist) { + if (entryg->gate.num_entries >= priv->psfp_cap.max_psfp_gatelist) { NL_SET_ERR_MSG_MOD(extack, "No Stream Gate resource!"); err = -ENOSPC; goto free_filter; } - entries_size = struct_size(sgi, entries, entry->gate.num_entries); + entries_size = struct_size(sgi, entries, entryg->gate.num_entries); sgi = kzalloc(entries_size, GFP_KERNEL); if (!sgi) { err = -ENOMEM; @@ -1099,18 +1212,18 @@ static int enetc_psfp_parse_clsflower(struct enetc_ndev_priv *priv, } refcount_set(&sgi->refcount, 1); - sgi->index = entry->gate.index; - sgi->init_ipv = entry->gate.prio; - sgi->basetime = entry->gate.basetime; - sgi->cycletime = entry->gate.cycletime; - sgi->num_entries = entry->gate.num_entries; + sgi->index = entryg->gate.index; + sgi->init_ipv = entryg->gate.prio; + sgi->basetime = entryg->gate.basetime; + sgi->cycletime = entryg->gate.cycletime; + sgi->num_entries = entryg->gate.num_entries; e = sgi->entries; - for (i = 0; i < entry->gate.num_entries; i++) { - e[i].gate_state = entry->gate.entries[i].gate_state; - e[i].interval = entry->gate.entries[i].interval; - e[i].ipv = entry->gate.entries[i].ipv; - e[i].maxoctets = entry->gate.entries[i].maxoctets; + for (i = 0; i < entryg->gate.num_entries; i++) { + e[i].gate_state = entryg->gate.entries[i].gate_state; + e[i].interval = entryg->gate.entries[i].interval; + e[i].ipv = entryg->gate.entries[i].ipv; + e[i].maxoctets = entryg->gate.entries[i].maxoctets; } filter->sgi_index = sgi->index; @@ -1123,10 +1236,29 @@ static int enetc_psfp_parse_clsflower(struct enetc_ndev_priv *priv, refcount_set(&sfi->refcount, 1); sfi->gate_id = sgi->index; - - /* flow meter not support yet */ sfi->meter_id = ENETC_PSFP_WILDCARD; + /* Flow meter and max frame size */ + if (entryp) { + if (entryp->police.burst) { + fmi = kzalloc(sizeof(*fmi), GFP_KERNEL); + if (!fmi) { + err = -ENOMEM; + goto free_sfi; + } + refcount_set(&fmi->refcount, 1); + fmi->cir = entryp->police.rate_bytes_ps; + fmi->cbs = entryp->police.burst; + fmi->index = entryp->police.index; + filter->flags |= ENETC_PSFP_FLAGS_FMI; + filter->fmi_index = fmi->index; + sfi->meter_id = fmi->index; + } + + if (entryp->police.mtu) + sfi->maxsdu = entryp->police.mtu; + } + /* prio ref the filter prio */ if (f->common.prio && f->common.prio <= BIT(3)) sfi->prio = f->common.prio - 1; @@ -1141,7 +1273,7 @@ static int enetc_psfp_parse_clsflower(struct enetc_ndev_priv *priv, if (sfi->handle < 0) { NL_SET_ERR_MSG_MOD(extack, "No Stream Filter resource!"); err = -ENOSPC; - goto free_sfi; + goto free_fmi; } sfi->index = index; @@ -1157,11 +1289,23 @@ static int enetc_psfp_parse_clsflower(struct enetc_ndev_priv *priv, } err = enetc_psfp_hw_set(priv, &filter->sid, - sfi_overwrite ? NULL : sfi, sgi); + sfi_overwrite ? NULL : sfi, sgi, fmi); if (err) - goto free_sfi; + goto free_fmi; spin_lock(&epsfp.psfp_lock); + if (filter->flags & ENETC_PSFP_FLAGS_FMI) { + old_fmi = enetc_get_meter_by_index(filter->fmi_index); + if (old_fmi) { + fmi->refcount = old_fmi->refcount; + refcount_set(&fmi->refcount, + refcount_read(&old_fmi->refcount) + 1); + hlist_del(&old_fmi->node); + kfree(old_fmi); + } + hlist_add_head(&fmi->node, &epsfp.psfp_meter_list); + } + /* Remove the old node if exist and update with a new node */ old_sgi = enetc_get_gate_by_index(filter->sgi_index); if (old_sgi) { @@ -1192,6 +1336,8 @@ static int enetc_psfp_parse_clsflower(struct enetc_ndev_priv *priv, return 0; +free_fmi: + kfree(fmi); free_sfi: kfree(sfi); free_gate: @@ -1290,13 +1436,20 @@ static int enetc_psfp_get_stats(struct enetc_ndev_priv *priv, return -EINVAL; spin_lock(&epsfp.psfp_lock); - stats.pkts = counters.matching_frames_count - filter->stats.pkts; + stats.pkts = counters.matching_frames_count + + counters.not_passing_sdu_count - + filter->stats.pkts; + stats.drops = counters.not_passing_frames_count + + counters.not_passing_sdu_count + + counters.red_frames_count - + filter->stats.drops; stats.lastused = filter->stats.lastused; filter->stats.pkts += stats.pkts; + filter->stats.drops += stats.drops; spin_unlock(&epsfp.psfp_lock); - flow_stats_update(&f->stats, 0x0, stats.pkts, stats.lastused, - FLOW_ACTION_HW_STATS_DELAYED); + flow_stats_update(&f->stats, 0x0, stats.pkts, stats.drops, + stats.lastused, FLOW_ACTION_HW_STATS_DELAYED); return 0; } diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 3982285ed020..795693874e31 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -708,8 +708,7 @@ static int fec_enet_txq_submit_tso(struct fec_enet_priv_tx_q *txq, struct net_device *ndev) { struct fec_enet_private *fep = netdev_priv(ndev); - int hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); - int total_len, data_left; + int hdr_len, total_len, data_left; struct bufdesc *bdp = txq->bd.cur; struct tso_t tso; unsigned int index = 0; @@ -729,7 +728,7 @@ static int fec_enet_txq_submit_tso(struct fec_enet_priv_tx_q *txq, } /* Initialize the TSO handler, and prepare the first payload */ - tso_start(skb, &tso); + hdr_len = tso_start(skb, &tso); total_len = skb->len - hdr_len; while (total_len > 0) { diff --git a/drivers/net/ethernet/freescale/xgmac_mdio.c b/drivers/net/ethernet/freescale/xgmac_mdio.c index c82c85ef5fb3..98be51d8b08c 100644 --- a/drivers/net/ethernet/freescale/xgmac_mdio.c +++ b/drivers/net/ethernet/freescale/xgmac_mdio.c @@ -245,14 +245,19 @@ static int xgmac_mdio_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; struct mii_bus *bus; - struct resource res; + struct resource *res; struct mdio_fsl_priv *priv; int ret; - ret = of_address_to_resource(np, 0, &res); - if (ret) { + /* In DPAA-1, MDIO is one of the many FMan sub-devices. The FMan + * defines a register space that spans a large area, covering all the + * subdevice areas. Therefore, MDIO cannot claim exclusive access to + * this register area. + */ + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { dev_err(&pdev->dev, "could not obtain address\n"); - return ret; + return -EINVAL; } bus = mdiobus_alloc_size(sizeof(struct mdio_fsl_priv)); @@ -263,21 +268,22 @@ static int xgmac_mdio_probe(struct platform_device *pdev) bus->read = xgmac_mdio_read; bus->write = xgmac_mdio_write; bus->parent = &pdev->dev; - snprintf(bus->id, MII_BUS_ID_SIZE, "%llx", (unsigned long long)res.start); + bus->probe_capabilities = MDIOBUS_C22_C45; + snprintf(bus->id, MII_BUS_ID_SIZE, "%pa", &res->start); /* Set the PHY base address */ priv = bus->priv; - priv->mdio_base = of_iomap(np, 0); + priv->mdio_base = ioremap(res->start, resource_size(res)); if (!priv->mdio_base) { ret = -ENOMEM; goto err_ioremap; } - priv->is_little_endian = of_property_read_bool(pdev->dev.of_node, - "little-endian"); + priv->is_little_endian = device_property_read_bool(&pdev->dev, + "little-endian"); - priv->has_a011043 = of_property_read_bool(pdev->dev.of_node, - "fsl,erratum-a011043"); + priv->has_a011043 = device_property_read_bool(&pdev->dev, + "fsl,erratum-a011043"); ret = of_mdiobus_register(bus, np); if (ret) { @@ -320,10 +326,17 @@ static const struct of_device_id xgmac_mdio_match[] = { }; MODULE_DEVICE_TABLE(of, xgmac_mdio_match); +static const struct acpi_device_id xgmac_acpi_match[] = { + { "NXP0006" }, + { } +}; +MODULE_DEVICE_TABLE(acpi, xgmac_acpi_match); + static struct platform_driver xgmac_mdio_driver = { .driver = { .name = "fsl-fman_xmdio", .of_match_table = xgmac_mdio_match, + .acpi_match_table = xgmac_acpi_match, }, .probe = xgmac_mdio_probe, .remove = xgmac_mdio_remove, |