diff options
Diffstat (limited to 'drivers/net/ethernet/freescale/gianfar_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/freescale/gianfar_ethtool.c | 938 |
1 files changed, 324 insertions, 614 deletions
diff --git a/drivers/net/ethernet/freescale/gianfar_ethtool.c b/drivers/net/ethernet/freescale/gianfar_ethtool.c index 21cd88124ca9..6fa752d3b60d 100644 --- a/drivers/net/ethernet/freescale/gianfar_ethtool.c +++ b/drivers/net/ethernet/freescale/gianfar_ethtool.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * drivers/net/ethernet/freescale/gianfar_ethtool.c * @@ -10,10 +11,6 @@ * Modifier: Sandeep Gopalpet <sandeep.kumar@freescale.com> * * Copyright 2003-2006, 2008-2009, 2011 Freescale Semiconductor, Inc. - * - * This software may be used and distributed according to - * the terms of the GNU Public License, Version 2, incorporated herein - * by reference. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt @@ -22,7 +19,6 @@ #include <linux/string.h> #include <linux/errno.h> #include <linux/interrupt.h> -#include <linux/init.h> #include <linux/delay.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> @@ -33,7 +29,7 @@ #include <asm/io.h> #include <asm/irq.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <linux/module.h> #include <linux/crc32.h> #include <asm/types.h> @@ -42,30 +38,19 @@ #include <linux/phy.h> #include <linux/sort.h> #include <linux/if_vlan.h> +#include <linux/of.h> +#include <linux/of_platform.h> +#include <linux/platform_device.h> +#include <linux/fsl/ptp_qoriq.h> #include "gianfar.h" -extern void gfar_start(struct net_device *dev); -extern int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, - int rx_work_limit); - #define GFAR_MAX_COAL_USECS 0xffff #define GFAR_MAX_COAL_FRAMES 0xff -static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy, - u64 *buf); -static void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf); -static int gfar_gcoalesce(struct net_device *dev, - struct ethtool_coalesce *cvals); -static int gfar_scoalesce(struct net_device *dev, - struct ethtool_coalesce *cvals); -static void gfar_gringparam(struct net_device *dev, - struct ethtool_ringparam *rvals); -static int gfar_sringparam(struct net_device *dev, - struct ethtool_ringparam *rvals); -static void gfar_gdrvinfo(struct net_device *dev, - struct ethtool_drvinfo *drvinfo); static const char stat_gstrings[][ETH_GSTRING_LEN] = { + /* extra stats */ + "rx-allocation-errors", "rx-large-frame-errors", "rx-short-frame-errors", "rx-non-octet-errors", @@ -77,8 +62,8 @@ static const char stat_gstrings[][ETH_GSTRING_LEN] = { "ethernet-bus-error", "tx-babbling-errors", "tx-underrun-errors", - "rx-skb-missing-errors", "tx-timeout-errors", + /* rmon stats */ "tx-rx-64-frames", "tx-rx-65-127-frames", "tx-rx-128-255-frames", @@ -130,12 +115,14 @@ static const char stat_gstrings[][ETH_GSTRING_LEN] = { static void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf) { struct gfar_private *priv = netdev_priv(dev); + int i; if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) - memcpy(buf, stat_gstrings, GFAR_STATS_LEN * ETH_GSTRING_LEN); + for (i = 0; i < GFAR_STATS_LEN; i++) + ethtool_puts(&buf, stat_gstrings[i]); else - memcpy(buf, stat_gstrings, - GFAR_EXTRA_STATS_LEN * ETH_GSTRING_LEN); + for (i = 0; i < GFAR_EXTRA_STATS_LEN; i++) + ethtool_puts(&buf, stat_gstrings[i]); } /* Fill in an array of 64-bit statistics from various sources. @@ -180,47 +167,7 @@ static int gfar_sset_count(struct net_device *dev, int sset) static void gfar_gdrvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo) { - strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver)); - strlcpy(drvinfo->version, gfar_driver_version, - sizeof(drvinfo->version)); - strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version)); - strlcpy(drvinfo->bus_info, "N/A", sizeof(drvinfo->bus_info)); - drvinfo->regdump_len = 0; - drvinfo->eedump_len = 0; -} - - -static int gfar_ssettings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct gfar_private *priv = netdev_priv(dev); - struct phy_device *phydev = priv->phydev; - - if (NULL == phydev) - return -ENODEV; - - return phy_ethtool_sset(phydev, cmd); -} - - -/* Return the current settings in the ethtool_cmd structure */ -static int gfar_gsettings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct gfar_private *priv = netdev_priv(dev); - struct phy_device *phydev = priv->phydev; - struct gfar_priv_rx_q *rx_queue = NULL; - struct gfar_priv_tx_q *tx_queue = NULL; - - if (NULL == phydev) - return -ENODEV; - tx_queue = priv->tx_queue[0]; - rx_queue = priv->rx_queue[0]; - - /* etsec-1.7 and older versions have only one txic - * and rxic regs although they support multiple queues */ - cmd->maxtxpkt = get_icft_value(tx_queue->txic); - cmd->maxrxpkt = get_icft_value(rx_queue->rxic); - - return phy_ethtool_gset(phydev, cmd); + strscpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver)); } /* Return the length of the register structure */ @@ -247,10 +194,12 @@ static void gfar_get_regs(struct net_device *dev, struct ethtool_regs *regs, static unsigned int gfar_usecs2ticks(struct gfar_private *priv, unsigned int usecs) { + struct net_device *ndev = priv->ndev; + struct phy_device *phydev = ndev->phydev; unsigned int count; /* The timer is different, depending on the interface speed */ - switch (priv->phydev->speed) { + switch (phydev->speed) { case SPEED_1000: count = GFAR_GBIT_TIME; break; @@ -265,17 +214,19 @@ static unsigned int gfar_usecs2ticks(struct gfar_private *priv, /* Make sure we return a number greater than 0 * if usecs > 0 */ - return (usecs * 1000 + count - 1) / count; + return DIV_ROUND_UP(usecs * 1000, count); } /* Convert ethernet clock ticks to microseconds */ static unsigned int gfar_ticks2usecs(struct gfar_private *priv, unsigned int ticks) { + struct net_device *ndev = priv->ndev; + struct phy_device *phydev = ndev->phydev; unsigned int count; /* The timer is different, depending on the interface speed */ - switch (priv->phydev->speed) { + switch (phydev->speed) { case SPEED_1000: count = GFAR_GBIT_TIME; break; @@ -296,7 +247,9 @@ static unsigned int gfar_ticks2usecs(struct gfar_private *priv, /* Get the coalescing parameters, and put them in the cvals * structure. */ static int gfar_gcoalesce(struct net_device *dev, - struct ethtool_coalesce *cvals) + struct ethtool_coalesce *cvals, + struct kernel_ethtool_coalesce *kernel_coal, + struct netlink_ext_ack *extack) { struct gfar_private *priv = netdev_priv(dev); struct gfar_priv_rx_q *rx_queue = NULL; @@ -309,7 +262,7 @@ static int gfar_gcoalesce(struct net_device *dev, if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE)) return -EOPNOTSUPP; - if (NULL == priv->phydev) + if (!dev->phydev) return -ENODEV; rx_queue = priv->rx_queue[0]; @@ -325,35 +278,6 @@ static int gfar_gcoalesce(struct net_device *dev, cvals->tx_coalesce_usecs = gfar_ticks2usecs(priv, txtime); cvals->tx_max_coalesced_frames = txcount; - cvals->use_adaptive_rx_coalesce = 0; - cvals->use_adaptive_tx_coalesce = 0; - - cvals->pkt_rate_low = 0; - cvals->rx_coalesce_usecs_low = 0; - cvals->rx_max_coalesced_frames_low = 0; - cvals->tx_coalesce_usecs_low = 0; - cvals->tx_max_coalesced_frames_low = 0; - - /* When the packet rate is below pkt_rate_high but above - * pkt_rate_low (both measured in packets per second) the - * normal {rx,tx}_* coalescing parameters are used. - */ - - /* When the packet rate is (measured in packets per second) - * is above pkt_rate_high, the {rx,tx}_*_high parameters are - * used. - */ - cvals->pkt_rate_high = 0; - cvals->rx_coalesce_usecs_high = 0; - cvals->rx_max_coalesced_frames_high = 0; - cvals->tx_coalesce_usecs_high = 0; - cvals->tx_max_coalesced_frames_high = 0; - - /* How often to do adaptive coalescing packet rate sampling, - * measured in seconds. Must not be zero. - */ - cvals->rate_sample_interval = 0; - return 0; } @@ -362,29 +286,17 @@ static int gfar_gcoalesce(struct net_device *dev, * in order for coalescing to be active */ static int gfar_scoalesce(struct net_device *dev, - struct ethtool_coalesce *cvals) + struct ethtool_coalesce *cvals, + struct kernel_ethtool_coalesce *kernel_coal, + struct netlink_ext_ack *extack) { struct gfar_private *priv = netdev_priv(dev); - int i = 0; + int i, err = 0; if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE)) return -EOPNOTSUPP; - /* Set up rx coalescing */ - /* As of now, we will enable/disable coalescing for all - * queues together in case of eTSEC2, this will be modified - * along with the ethtool interface - */ - if ((cvals->rx_coalesce_usecs == 0) || - (cvals->rx_max_coalesced_frames == 0)) { - for (i = 0; i < priv->num_rx_queues; i++) - priv->rx_queue[i]->rxcoalescing = 0; - } else { - for (i = 0; i < priv->num_rx_queues; i++) - priv->rx_queue[i]->rxcoalescing = 1; - } - - if (NULL == priv->phydev) + if (!dev->phydev) return -ENODEV; /* Check the bounds of the values */ @@ -400,6 +312,32 @@ static int gfar_scoalesce(struct net_device *dev, return -EINVAL; } + /* Check the bounds of the values */ + if (cvals->tx_coalesce_usecs > GFAR_MAX_COAL_USECS) { + netdev_info(dev, "Coalescing is limited to %d microseconds\n", + GFAR_MAX_COAL_USECS); + return -EINVAL; + } + + if (cvals->tx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) { + netdev_info(dev, "Coalescing is limited to %d frames\n", + GFAR_MAX_COAL_FRAMES); + return -EINVAL; + } + + while (test_and_set_bit_lock(GFAR_RESETTING, &priv->state)) + cpu_relax(); + + /* Set up rx coalescing */ + if ((cvals->rx_coalesce_usecs == 0) || + (cvals->rx_max_coalesced_frames == 0)) { + for (i = 0; i < priv->num_rx_queues; i++) + priv->rx_queue[i]->rxcoalescing = 0; + } else { + for (i = 0; i < priv->num_rx_queues; i++) + priv->rx_queue[i]->rxcoalescing = 1; + } + for (i = 0; i < priv->num_rx_queues; i++) { priv->rx_queue[i]->rxic = mk_ic_value( cvals->rx_max_coalesced_frames, @@ -416,35 +354,31 @@ static int gfar_scoalesce(struct net_device *dev, priv->tx_queue[i]->txcoalescing = 1; } - /* Check the bounds of the values */ - if (cvals->tx_coalesce_usecs > GFAR_MAX_COAL_USECS) { - netdev_info(dev, "Coalescing is limited to %d microseconds\n", - GFAR_MAX_COAL_USECS); - return -EINVAL; - } - - if (cvals->tx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) { - netdev_info(dev, "Coalescing is limited to %d frames\n", - GFAR_MAX_COAL_FRAMES); - return -EINVAL; - } - for (i = 0; i < priv->num_tx_queues; i++) { priv->tx_queue[i]->txic = mk_ic_value( cvals->tx_max_coalesced_frames, gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs)); } - gfar_configure_coalescing_all(priv); + if (dev->flags & IFF_UP) { + stop_gfar(dev); + err = startup_gfar(dev); + } else { + gfar_mac_reset(priv); + } - return 0; + clear_bit_unlock(GFAR_RESETTING, &priv->state); + + return err; } /* Fills in rvals with the current ring parameters. Currently, * rx, rx_mini, and rx_jumbo rings are the same size, as mini and * jumbo are ignored by the driver */ static void gfar_gringparam(struct net_device *dev, - struct ethtool_ringparam *rvals) + struct ethtool_ringparam *rvals, + struct kernel_ethtool_ringparam *kernel_rvals, + struct netlink_ext_ack *extack) { struct gfar_private *priv = netdev_priv(dev); struct gfar_priv_tx_q *tx_queue = NULL; @@ -468,15 +402,15 @@ static void gfar_gringparam(struct net_device *dev, } /* Change the current ring parameters, stopping the controller if - * necessary so that we don't mess things up while we're in - * motion. We wait for the ring to be clean before reallocating - * the rings. + * necessary so that we don't mess things up while we're in motion. */ static int gfar_sringparam(struct net_device *dev, - struct ethtool_ringparam *rvals) + struct ethtool_ringparam *rvals, + struct kernel_ethtool_ringparam *kernel_rvals, + struct netlink_ext_ack *extack) { struct gfar_private *priv = netdev_priv(dev); - int err = 0, i = 0; + int err = 0, i; if (rvals->rx_pending > GFAR_RX_MAX_RING_SIZE) return -EINVAL; @@ -494,86 +428,112 @@ static int gfar_sringparam(struct net_device *dev, return -EINVAL; } + while (test_and_set_bit_lock(GFAR_RESETTING, &priv->state)) + cpu_relax(); - if (dev->flags & IFF_UP) { - unsigned long flags; - - /* Halt TX and RX, and process the frames which - * have already been received - */ - local_irq_save(flags); - lock_tx_qs(priv); - lock_rx_qs(priv); - - gfar_halt(dev); - - unlock_rx_qs(priv); - unlock_tx_qs(priv); - local_irq_restore(flags); - - for (i = 0; i < priv->num_rx_queues; i++) - gfar_clean_rx_ring(priv->rx_queue[i], - priv->rx_queue[i]->rx_ring_size); - - /* Now we take down the rings to rebuild them */ + if (dev->flags & IFF_UP) stop_gfar(dev); - } - /* Change the size */ - for (i = 0; i < priv->num_rx_queues; i++) { + /* Change the sizes */ + for (i = 0; i < priv->num_rx_queues; i++) priv->rx_queue[i]->rx_ring_size = rvals->rx_pending; + + for (i = 0; i < priv->num_tx_queues; i++) priv->tx_queue[i]->tx_ring_size = rvals->tx_pending; - priv->tx_queue[i]->num_txbdfree = - priv->tx_queue[i]->tx_ring_size; - } /* Rebuild the rings with the new size */ - if (dev->flags & IFF_UP) { + if (dev->flags & IFF_UP) err = startup_gfar(dev); - netif_tx_wake_all_queues(dev); - } + + clear_bit_unlock(GFAR_RESETTING, &priv->state); + return err; } -int gfar_set_features(struct net_device *dev, netdev_features_t features) +static void gfar_gpauseparam(struct net_device *dev, + struct ethtool_pauseparam *epause) { struct gfar_private *priv = netdev_priv(dev); - unsigned long flags; - int err = 0, i = 0; - netdev_features_t changed = dev->features ^ features; - if (changed & (NETIF_F_HW_VLAN_CTAG_TX|NETIF_F_HW_VLAN_CTAG_RX)) - gfar_vlan_mode(dev, features); + epause->autoneg = !!priv->pause_aneg_en; + epause->rx_pause = !!priv->rx_pause_en; + epause->tx_pause = !!priv->tx_pause_en; +} - if (!(changed & NETIF_F_RXCSUM)) - return 0; +static int gfar_spauseparam(struct net_device *dev, + struct ethtool_pauseparam *epause) +{ + struct gfar_private *priv = netdev_priv(dev); + struct phy_device *phydev = dev->phydev; + struct gfar __iomem *regs = priv->gfargrp[0].regs; - if (dev->flags & IFF_UP) { - /* Halt TX and RX, and process the frames which - * have already been received - */ - local_irq_save(flags); - lock_tx_qs(priv); - lock_rx_qs(priv); + if (!phydev) + return -ENODEV; - gfar_halt(dev); + if (!phy_validate_pause(phydev, epause)) + return -EINVAL; - unlock_tx_qs(priv); - unlock_rx_qs(priv); - local_irq_restore(flags); + priv->rx_pause_en = priv->tx_pause_en = 0; + phy_set_asym_pause(phydev, epause->rx_pause, epause->tx_pause); + if (epause->rx_pause) { + priv->rx_pause_en = 1; - for (i = 0; i < priv->num_rx_queues; i++) - gfar_clean_rx_ring(priv->rx_queue[i], - priv->rx_queue[i]->rx_ring_size); + if (epause->tx_pause) { + priv->tx_pause_en = 1; + } + } else if (epause->tx_pause) { + priv->tx_pause_en = 1; + } - /* Now we take down the rings to rebuild them */ - stop_gfar(dev); + if (epause->autoneg) + priv->pause_aneg_en = 1; + else + priv->pause_aneg_en = 0; + + if (!epause->autoneg) { + u32 tempval = gfar_read(®s->maccfg1); + + tempval &= ~(MACCFG1_TX_FLOW | MACCFG1_RX_FLOW); + + priv->tx_actual_en = 0; + if (priv->tx_pause_en) { + priv->tx_actual_en = 1; + tempval |= MACCFG1_TX_FLOW; + } + + if (priv->rx_pause_en) + tempval |= MACCFG1_RX_FLOW; + gfar_write(®s->maccfg1, tempval); + } + + return 0; +} - dev->features = features; +int gfar_set_features(struct net_device *dev, netdev_features_t features) +{ + netdev_features_t changed = dev->features ^ features; + struct gfar_private *priv = netdev_priv(dev); + int err = 0; + + if (!(changed & (NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX | + NETIF_F_RXCSUM))) + return 0; + + while (test_and_set_bit_lock(GFAR_RESETTING, &priv->state)) + cpu_relax(); + + dev->features = features; + if (dev->flags & IFF_UP) { + /* Now we take down the rings to rebuild them */ + stop_gfar(dev); err = startup_gfar(dev); - netif_tx_wake_all_queues(dev); + } else { + gfar_mac_reset(priv); } + + clear_bit_unlock(GFAR_RESETTING, &priv->state); + return err; } @@ -596,31 +556,49 @@ static void gfar_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) { struct gfar_private *priv = netdev_priv(dev); - if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET) { - wol->supported = WAKE_MAGIC; - wol->wolopts = priv->wol_en ? WAKE_MAGIC : 0; - } else { - wol->supported = wol->wolopts = 0; - } + wol->supported = 0; + wol->wolopts = 0; + + if (priv->wol_supported & GFAR_WOL_MAGIC) + wol->supported |= WAKE_MAGIC; + + if (priv->wol_supported & GFAR_WOL_FILER_UCAST) + wol->supported |= WAKE_UCAST; + + if (priv->wol_opts & GFAR_WOL_MAGIC) + wol->wolopts |= WAKE_MAGIC; + + if (priv->wol_opts & GFAR_WOL_FILER_UCAST) + wol->wolopts |= WAKE_UCAST; } static int gfar_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) { struct gfar_private *priv = netdev_priv(dev); - unsigned long flags; + u16 wol_opts = 0; + int err; - if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET) && - wol->wolopts != 0) + if (!priv->wol_supported && wol->wolopts) return -EINVAL; - if (wol->wolopts & ~WAKE_MAGIC) + if (wol->wolopts & ~(WAKE_MAGIC | WAKE_UCAST)) return -EINVAL; - device_set_wakeup_enable(&dev->dev, wol->wolopts & WAKE_MAGIC); + if (wol->wolopts & WAKE_MAGIC) { + wol_opts |= GFAR_WOL_MAGIC; + } else { + if (wol->wolopts & WAKE_UCAST) + wol_opts |= GFAR_WOL_FILER_UCAST; + } + + wol_opts &= priv->wol_supported; + priv->wol_opts = 0; + + err = device_set_wakeup_enable(priv->dev, wol_opts); + if (err) + return err; - spin_lock_irqsave(&priv->bflock, flags); - priv->wol_en = !!device_may_wakeup(&dev->dev); - spin_unlock_irqrestore(&priv->bflock, flags); + priv->wol_opts = wol_opts; return 0; } @@ -631,14 +609,14 @@ static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow) u32 fcr = 0x0, fpr = FPR_FILER_MASK; if (ethflow & RXH_L2DA) { - fcr = RQFCR_PID_DAH |RQFCR_CMP_NOMATCH | + fcr = RQFCR_PID_DAH | RQFCR_CMP_NOMATCH | RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0; priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); priv->cur_filer_idx = priv->cur_filer_idx - 1; - fcr = RQFCR_PID_DAL | RQFCR_AND | RQFCR_CMP_NOMATCH | + fcr = RQFCR_PID_DAL | RQFCR_CMP_NOMATCH | RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0; priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; @@ -704,7 +682,6 @@ static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow) static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, u64 class) { - unsigned int last_rule_idx = priv->cur_filer_idx; unsigned int cmp_rqfpr; unsigned int *local_rqfpr; unsigned int *local_rqfcr; @@ -783,7 +760,6 @@ static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, } priv->cur_filer_idx = l - 1; - last_rule_idx = l; /* hash rules */ ethflow_to_filer_rules(priv, ethflow); @@ -805,23 +781,33 @@ err: return ret; } -static int gfar_set_hash_opts(struct gfar_private *priv, - struct ethtool_rxnfc *cmd) +static int gfar_set_rxfh_fields(struct net_device *dev, + const struct ethtool_rxfh_fields *cmd, + struct netlink_ext_ack *extack) { + struct gfar_private *priv = netdev_priv(dev); + int ret; + + if (test_bit(GFAR_RESETTING, &priv->state)) + return -EBUSY; + + mutex_lock(&priv->rx_queue_access); + + ret = 0; /* write the filer rules here */ if (!gfar_ethflow_to_filer_table(priv, cmd->data, cmd->flow_type)) - return -EINVAL; + ret = -EINVAL; - return 0; + mutex_unlock(&priv->rx_queue_access); + + return ret; } static int gfar_check_filer_hardware(struct gfar_private *priv) { - struct gfar __iomem *regs = NULL; + struct gfar __iomem *regs = priv->gfargrp[0].regs; u32 i; - regs = priv->gfargrp[0].regs; - /* Check if we are in FIFO mode */ i = gfar_read(®s->ecntrl); i &= ECNTRL_FIFM; @@ -855,31 +841,10 @@ static int gfar_check_filer_hardware(struct gfar_private *priv) /* Sets the properties for arbitrary filer rule * to the first 4 Layer 4 Bytes */ - regs->rbifx = 0xC0C1C2C3; + gfar_write(®s->rbifx, 0xC0C1C2C3); return 0; } -static int gfar_comp_asc(const void *a, const void *b) -{ - return memcmp(a, b, 4); -} - -static int gfar_comp_desc(const void *a, const void *b) -{ - return -memcmp(a, b, 4); -} - -static void gfar_swap(void *a, void *b, int size) -{ - u32 *_a = a; - u32 *_b = b; - - swap(_a[0], _b[0]); - swap(_a[1], _b[1]); - swap(_a[2], _b[2]); - swap(_a[3], _b[3]); -} - /* Write a mask to filer cache */ static void gfar_set_mask(u32 mask, struct filer_table *tab) { @@ -983,10 +948,18 @@ static void gfar_set_basic_ip(struct ethtool_tcpip4_spec *value, struct ethtool_tcpip4_spec *mask, struct filer_table *tab) { - gfar_set_attribute(value->ip4src, mask->ip4src, RQFCR_PID_SIA, tab); - gfar_set_attribute(value->ip4dst, mask->ip4dst, RQFCR_PID_DIA, tab); - gfar_set_attribute(value->pdst, mask->pdst, RQFCR_PID_DPT, tab); - gfar_set_attribute(value->psrc, mask->psrc, RQFCR_PID_SPT, tab); + gfar_set_attribute(be32_to_cpu(value->ip4src), + be32_to_cpu(mask->ip4src), + RQFCR_PID_SIA, tab); + gfar_set_attribute(be32_to_cpu(value->ip4dst), + be32_to_cpu(mask->ip4dst), + RQFCR_PID_DIA, tab); + gfar_set_attribute(be16_to_cpu(value->pdst), + be16_to_cpu(mask->pdst), + RQFCR_PID_DPT, tab); + gfar_set_attribute(be16_to_cpu(value->psrc), + be16_to_cpu(mask->psrc), + RQFCR_PID_SPT, tab); gfar_set_attribute(value->tos, mask->tos, RQFCR_PID_TOS, tab); } @@ -995,12 +968,17 @@ static void gfar_set_user_ip(struct ethtool_usrip4_spec *value, struct ethtool_usrip4_spec *mask, struct filer_table *tab) { - gfar_set_attribute(value->ip4src, mask->ip4src, RQFCR_PID_SIA, tab); - gfar_set_attribute(value->ip4dst, mask->ip4dst, RQFCR_PID_DIA, tab); + gfar_set_attribute(be32_to_cpu(value->ip4src), + be32_to_cpu(mask->ip4src), + RQFCR_PID_SIA, tab); + gfar_set_attribute(be32_to_cpu(value->ip4dst), + be32_to_cpu(mask->ip4dst), + RQFCR_PID_DIA, tab); gfar_set_attribute(value->tos, mask->tos, RQFCR_PID_TOS, tab); gfar_set_attribute(value->proto, mask->proto, RQFCR_PID_L4P, tab); - gfar_set_attribute(value->l4_4_bytes, mask->l4_4_bytes, RQFCR_PID_ARB, - tab); + gfar_set_attribute(be32_to_cpu(value->l4_4_bytes), + be32_to_cpu(mask->l4_4_bytes), + RQFCR_PID_ARB, tab); } @@ -1067,7 +1045,41 @@ static void gfar_set_ether(struct ethhdr *value, struct ethhdr *mask, } } - gfar_set_attribute(value->h_proto, mask->h_proto, RQFCR_PID_ETY, tab); + gfar_set_attribute(be16_to_cpu(value->h_proto), + be16_to_cpu(mask->h_proto), + RQFCR_PID_ETY, tab); +} + +static inline u32 vlan_tci_vid(struct ethtool_rx_flow_spec *rule) +{ + return be16_to_cpu(rule->h_ext.vlan_tci) & VLAN_VID_MASK; +} + +static inline u32 vlan_tci_vidm(struct ethtool_rx_flow_spec *rule) +{ + return be16_to_cpu(rule->m_ext.vlan_tci) & VLAN_VID_MASK; +} + +static inline u32 vlan_tci_cfi(struct ethtool_rx_flow_spec *rule) +{ + return be16_to_cpu(rule->h_ext.vlan_tci) & VLAN_CFI_MASK; +} + +static inline u32 vlan_tci_cfim(struct ethtool_rx_flow_spec *rule) +{ + return be16_to_cpu(rule->m_ext.vlan_tci) & VLAN_CFI_MASK; +} + +static inline u32 vlan_tci_prio(struct ethtool_rx_flow_spec *rule) +{ + return (be16_to_cpu(rule->h_ext.vlan_tci) & VLAN_PRIO_MASK) >> + VLAN_PRIO_SHIFT; +} + +static inline u32 vlan_tci_priom(struct ethtool_rx_flow_spec *rule) +{ + return (be16_to_cpu(rule->m_ext.vlan_tci) & VLAN_PRIO_MASK) >> + VLAN_PRIO_SHIFT; } /* Convert a rule to binary filter format of gianfar */ @@ -1081,28 +1093,25 @@ static int gfar_convert_to_filer(struct ethtool_rx_flow_spec *rule, u32 old_index = tab->index; /* Check if vlan is wanted */ - if ((rule->flow_type & FLOW_EXT) && (rule->m_ext.vlan_tci != 0xFFFF)) { + if ((rule->flow_type & FLOW_EXT) && + (rule->m_ext.vlan_tci != cpu_to_be16(0xFFFF))) { if (!rule->m_ext.vlan_tci) - rule->m_ext.vlan_tci = 0xFFFF; + rule->m_ext.vlan_tci = cpu_to_be16(0xFFFF); vlan = RQFPR_VLN; vlan_mask = RQFPR_VLN; /* Separate the fields */ - id = rule->h_ext.vlan_tci & VLAN_VID_MASK; - id_mask = rule->m_ext.vlan_tci & VLAN_VID_MASK; - cfi = rule->h_ext.vlan_tci & VLAN_CFI_MASK; - cfi_mask = rule->m_ext.vlan_tci & VLAN_CFI_MASK; - prio = (rule->h_ext.vlan_tci & VLAN_PRIO_MASK) >> - VLAN_PRIO_SHIFT; - prio_mask = (rule->m_ext.vlan_tci & VLAN_PRIO_MASK) >> - VLAN_PRIO_SHIFT; - - if (cfi == VLAN_TAG_PRESENT && cfi_mask == VLAN_TAG_PRESENT) { - vlan |= RQFPR_CFI; - vlan_mask |= RQFPR_CFI; - } else if (cfi != VLAN_TAG_PRESENT && - cfi_mask == VLAN_TAG_PRESENT) { + id = vlan_tci_vid(rule); + id_mask = vlan_tci_vidm(rule); + cfi = vlan_tci_cfi(rule); + cfi_mask = vlan_tci_cfim(rule); + prio = vlan_tci_prio(rule); + prio_mask = vlan_tci_priom(rule); + + if (cfi_mask) { + if (cfi) + vlan |= RQFPR_CFI; vlan_mask |= RQFPR_CFI; } } @@ -1183,310 +1192,6 @@ static int gfar_convert_to_filer(struct ethtool_rx_flow_spec *rule, return 0; } -/* Copy size filer entries */ -static void gfar_copy_filer_entries(struct gfar_filer_entry dst[0], - struct gfar_filer_entry src[0], s32 size) -{ - while (size > 0) { - size--; - dst[size].ctrl = src[size].ctrl; - dst[size].prop = src[size].prop; - } -} - -/* Delete the contents of the filer-table between start and end - * and collapse them - */ -static int gfar_trim_filer_entries(u32 begin, u32 end, struct filer_table *tab) -{ - int length; - - if (end > MAX_FILER_CACHE_IDX || end < begin) - return -EINVAL; - - end++; - length = end - begin; - - /* Copy */ - while (end < tab->index) { - tab->fe[begin].ctrl = tab->fe[end].ctrl; - tab->fe[begin++].prop = tab->fe[end++].prop; - - } - /* Fill up with don't cares */ - while (begin < tab->index) { - tab->fe[begin].ctrl = 0x60; - tab->fe[begin].prop = 0xFFFFFFFF; - begin++; - } - - tab->index -= length; - return 0; -} - -/* Make space on the wanted location */ -static int gfar_expand_filer_entries(u32 begin, u32 length, - struct filer_table *tab) -{ - if (length == 0 || length + tab->index > MAX_FILER_CACHE_IDX || - begin > MAX_FILER_CACHE_IDX) - return -EINVAL; - - gfar_copy_filer_entries(&(tab->fe[begin + length]), &(tab->fe[begin]), - tab->index - length + 1); - - tab->index += length; - return 0; -} - -static int gfar_get_next_cluster_start(int start, struct filer_table *tab) -{ - for (; (start < tab->index) && (start < MAX_FILER_CACHE_IDX - 1); - start++) { - if ((tab->fe[start].ctrl & (RQFCR_AND | RQFCR_CLE)) == - (RQFCR_AND | RQFCR_CLE)) - return start; - } - return -1; -} - -static int gfar_get_next_cluster_end(int start, struct filer_table *tab) -{ - for (; (start < tab->index) && (start < MAX_FILER_CACHE_IDX - 1); - start++) { - if ((tab->fe[start].ctrl & (RQFCR_AND | RQFCR_CLE)) == - (RQFCR_CLE)) - return start; - } - return -1; -} - -/* Uses hardwares clustering option to reduce - * the number of filer table entries - */ -static void gfar_cluster_filer(struct filer_table *tab) -{ - s32 i = -1, j, iend, jend; - - while ((i = gfar_get_next_cluster_start(++i, tab)) != -1) { - j = i; - while ((j = gfar_get_next_cluster_start(++j, tab)) != -1) { - /* The cluster entries self and the previous one - * (a mask) must be identical! - */ - if (tab->fe[i].ctrl != tab->fe[j].ctrl) - break; - if (tab->fe[i].prop != tab->fe[j].prop) - break; - if (tab->fe[i - 1].ctrl != tab->fe[j - 1].ctrl) - break; - if (tab->fe[i - 1].prop != tab->fe[j - 1].prop) - break; - iend = gfar_get_next_cluster_end(i, tab); - jend = gfar_get_next_cluster_end(j, tab); - if (jend == -1 || iend == -1) - break; - - /* First we make some free space, where our cluster - * element should be. Then we copy it there and finally - * delete in from its old location. - */ - if (gfar_expand_filer_entries(iend, (jend - j), tab) == - -EINVAL) - break; - - gfar_copy_filer_entries(&(tab->fe[iend + 1]), - &(tab->fe[jend + 1]), jend - j); - - if (gfar_trim_filer_entries(jend - 1, - jend + (jend - j), - tab) == -EINVAL) - return; - - /* Mask out cluster bit */ - tab->fe[iend].ctrl &= ~(RQFCR_CLE); - } - } -} - -/* Swaps the masked bits of a1<>a2 and b1<>b2 */ -static void gfar_swap_bits(struct gfar_filer_entry *a1, - struct gfar_filer_entry *a2, - struct gfar_filer_entry *b1, - struct gfar_filer_entry *b2, u32 mask) -{ - u32 temp[4]; - temp[0] = a1->ctrl & mask; - temp[1] = a2->ctrl & mask; - temp[2] = b1->ctrl & mask; - temp[3] = b2->ctrl & mask; - - a1->ctrl &= ~mask; - a2->ctrl &= ~mask; - b1->ctrl &= ~mask; - b2->ctrl &= ~mask; - - a1->ctrl |= temp[1]; - a2->ctrl |= temp[0]; - b1->ctrl |= temp[3]; - b2->ctrl |= temp[2]; -} - -/* Generate a list consisting of masks values with their start and - * end of validity and block as indicator for parts belonging - * together (glued by ANDs) in mask_table - */ -static u32 gfar_generate_mask_table(struct gfar_mask_entry *mask_table, - struct filer_table *tab) -{ - u32 i, and_index = 0, block_index = 1; - - for (i = 0; i < tab->index; i++) { - - /* LSByte of control = 0 sets a mask */ - if (!(tab->fe[i].ctrl & 0xF)) { - mask_table[and_index].mask = tab->fe[i].prop; - mask_table[and_index].start = i; - mask_table[and_index].block = block_index; - if (and_index >= 1) - mask_table[and_index - 1].end = i - 1; - and_index++; - } - /* cluster starts and ends will be separated because they should - * hold their position - */ - if (tab->fe[i].ctrl & RQFCR_CLE) - block_index++; - /* A not set AND indicates the end of a depended block */ - if (!(tab->fe[i].ctrl & RQFCR_AND)) - block_index++; - } - - mask_table[and_index - 1].end = i - 1; - - return and_index; -} - -/* Sorts the entries of mask_table by the values of the masks. - * Important: The 0xFF80 flags of the first and last entry of a - * block must hold their position (which queue, CLusterEnable, ReJEct, - * AND) - */ -static void gfar_sort_mask_table(struct gfar_mask_entry *mask_table, - struct filer_table *temp_table, u32 and_index) -{ - /* Pointer to compare function (_asc or _desc) */ - int (*gfar_comp)(const void *, const void *); - - u32 i, size = 0, start = 0, prev = 1; - u32 old_first, old_last, new_first, new_last; - - gfar_comp = &gfar_comp_desc; - - for (i = 0; i < and_index; i++) { - if (prev != mask_table[i].block) { - old_first = mask_table[start].start + 1; - old_last = mask_table[i - 1].end; - sort(mask_table + start, size, - sizeof(struct gfar_mask_entry), - gfar_comp, &gfar_swap); - - /* Toggle order for every block. This makes the - * thing more efficient! - */ - if (gfar_comp == gfar_comp_desc) - gfar_comp = &gfar_comp_asc; - else - gfar_comp = &gfar_comp_desc; - - new_first = mask_table[start].start + 1; - new_last = mask_table[i - 1].end; - - gfar_swap_bits(&temp_table->fe[new_first], - &temp_table->fe[old_first], - &temp_table->fe[new_last], - &temp_table->fe[old_last], - RQFCR_QUEUE | RQFCR_CLE | - RQFCR_RJE | RQFCR_AND); - - start = i; - size = 0; - } - size++; - prev = mask_table[i].block; - } -} - -/* Reduces the number of masks needed in the filer table to save entries - * This is done by sorting the masks of a depended block. A depended block is - * identified by gluing ANDs or CLE. The sorting order toggles after every - * block. Of course entries in scope of a mask must change their location with - * it. - */ -static int gfar_optimize_filer_masks(struct filer_table *tab) -{ - struct filer_table *temp_table; - struct gfar_mask_entry *mask_table; - - u32 and_index = 0, previous_mask = 0, i = 0, j = 0, size = 0; - s32 ret = 0; - - /* We need a copy of the filer table because - * we want to change its order - */ - temp_table = kmemdup(tab, sizeof(*temp_table), GFP_KERNEL); - if (temp_table == NULL) - return -ENOMEM; - - mask_table = kcalloc(MAX_FILER_CACHE_IDX / 2 + 1, - sizeof(struct gfar_mask_entry), GFP_KERNEL); - - if (mask_table == NULL) { - ret = -ENOMEM; - goto end; - } - - and_index = gfar_generate_mask_table(mask_table, tab); - - gfar_sort_mask_table(mask_table, temp_table, and_index); - - /* Now we can copy the data from our duplicated filer table to - * the real one in the order the mask table says - */ - for (i = 0; i < and_index; i++) { - size = mask_table[i].end - mask_table[i].start + 1; - gfar_copy_filer_entries(&(tab->fe[j]), - &(temp_table->fe[mask_table[i].start]), size); - j += size; - } - - /* And finally we just have to check for duplicated masks and drop the - * second ones - */ - for (i = 0; i < tab->index && i < MAX_FILER_CACHE_IDX; i++) { - if (tab->fe[i].ctrl == 0x80) { - previous_mask = i++; - break; - } - } - for (; i < tab->index && i < MAX_FILER_CACHE_IDX; i++) { - if (tab->fe[i].ctrl == 0x80) { - if (tab->fe[i].prop == tab->fe[previous_mask].prop) { - /* Two identical ones found! - * So drop the second one! - */ - gfar_trim_filer_entries(i, i, tab); - } else - /* Not identical! */ - previous_mask = i; - } - } - - kfree(mask_table); -end: kfree(temp_table); - return ret; -} - /* Write the bit-pattern from software's buffer to hardware registers */ static int gfar_write_filer_table(struct gfar_private *priv, struct filer_table *tab) @@ -1495,23 +1200,17 @@ static int gfar_write_filer_table(struct gfar_private *priv, if (tab->index > MAX_FILER_IDX - 1) return -EBUSY; - /* Avoid inconsistent filer table to be processed */ - lock_rx_qs(priv); - /* Fill regular entries */ - for (; i < MAX_FILER_IDX - 1 && (tab->fe[i].ctrl | tab->fe[i].ctrl); - i++) + for (; i < MAX_FILER_IDX && (tab->fe[i].ctrl | tab->fe[i].prop); i++) gfar_write_filer(priv, i, tab->fe[i].ctrl, tab->fe[i].prop); /* Fill the rest with fall-troughs */ - for (; i < MAX_FILER_IDX - 1; i++) + for (; i < MAX_FILER_IDX; i++) gfar_write_filer(priv, i, 0x60, 0xFFFFFFFF); /* Last entry must be default accept * because that's what people expect */ gfar_write_filer(priv, i, 0x20, 0x0); - unlock_rx_qs(priv); - return 0; } @@ -1539,7 +1238,6 @@ static int gfar_process_filer_changes(struct gfar_private *priv) { struct ethtool_flow_spec_container *j; struct filer_table *tab; - s32 i = 0; s32 ret = 0; /* So index is set to zero, too! */ @@ -1564,17 +1262,6 @@ static int gfar_process_filer_changes(struct gfar_private *priv) } } - i = tab->index; - - /* Optimizations to save entries */ - gfar_cluster_filer(tab); - gfar_optimize_filer_masks(tab); - - pr_debug("\tSummary:\n" - "\tData on hardware: %d\n" - "\tCompression rate: %d%%\n", - tab->index, 100 - (100 * tab->index) / i); - /* Write everything to hardware */ ret = gfar_write_filer_table(priv, tab); if (ret == -EBUSY) { @@ -1594,10 +1281,10 @@ static void gfar_invert_masks(struct ethtool_rx_flow_spec *flow) for (i = 0; i < sizeof(flow->m_u); i++) flow->m_u.hdata[i] ^= 0xFF; - flow->m_ext.vlan_etype ^= 0xFFFF; - flow->m_ext.vlan_tci ^= 0xFFFF; - flow->m_ext.data[0] ^= ~0; - flow->m_ext.data[1] ^= ~0; + flow->m_ext.vlan_etype ^= cpu_to_be16(0xFFFF); + flow->m_ext.vlan_tci ^= cpu_to_be16(0xFFFF); + flow->m_ext.data[0] ^= cpu_to_be32(~0); + flow->m_ext.data[1] ^= cpu_to_be32(~0); } static int gfar_add_cls(struct gfar_private *priv, @@ -1640,13 +1327,14 @@ static int gfar_add_cls(struct gfar_private *priv, } process: + priv->rx_list.count++; ret = gfar_process_filer_changes(priv); if (ret) goto clean_list; - priv->rx_list.count++; return ret; clean_list: + priv->rx_list.count--; list_del(&temp->list); clean_mem: kfree(temp); @@ -1716,12 +1404,12 @@ static int gfar_set_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd) struct gfar_private *priv = netdev_priv(dev); int ret = 0; + if (test_bit(GFAR_RESETTING, &priv->state)) + return -EBUSY; + mutex_lock(&priv->rx_queue_access); switch (cmd->cmd) { - case ETHTOOL_SRXFH: - ret = gfar_set_hash_opts(priv, cmd); - break; case ETHTOOL_SRXCLSRLINS: if ((cmd->fs.ring_cookie != RX_CLS_FLOW_DISC && cmd->fs.ring_cookie >= priv->num_rx_queues) || @@ -1743,6 +1431,13 @@ static int gfar_set_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd) return ret; } +static u32 gfar_get_rx_ring_count(struct net_device *dev) +{ + struct gfar_private *priv = netdev_priv(dev); + + return priv->num_rx_queues; +} + static int gfar_get_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd, u32 *rule_locs) { @@ -1750,9 +1445,6 @@ static int gfar_get_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd, int ret = 0; switch (cmd->cmd) { - case ETHTOOL_GRXRINGS: - cmd->data = priv->num_rx_queues; - break; case ETHTOOL_GRXCLSRLCNT: cmd->rule_cnt = priv->rx_list.count; break; @@ -1770,24 +1462,36 @@ static int gfar_get_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd, return ret; } -int gfar_phc_index = -1; -EXPORT_SYMBOL(gfar_phc_index); - static int gfar_get_ts_info(struct net_device *dev, - struct ethtool_ts_info *info) + struct kernel_ethtool_ts_info *info) { struct gfar_private *priv = netdev_priv(dev); + struct platform_device *ptp_dev; + struct device_node *ptp_node; + struct ptp_qoriq *ptp = NULL; if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER)) { - info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE | - SOF_TIMESTAMPING_SOFTWARE; - info->phc_index = -1; + info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE; return 0; } + + ptp_node = of_find_compatible_node(NULL, NULL, "fsl,etsec-ptp"); + if (ptp_node) { + ptp_dev = of_find_device_by_node(ptp_node); + of_node_put(ptp_node); + if (ptp_dev) { + ptp = platform_get_drvdata(ptp_dev); + put_device(&ptp_dev->dev); + } + } + + if (ptp) + info->phc_index = ptp->phc_index; + info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE | SOF_TIMESTAMPING_RX_HARDWARE | - SOF_TIMESTAMPING_RAW_HARDWARE; - info->phc_index = gfar_phc_index; + SOF_TIMESTAMPING_RAW_HARDWARE | + SOF_TIMESTAMPING_TX_SOFTWARE; info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON); info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) | @@ -1796,8 +1500,8 @@ static int gfar_get_ts_info(struct net_device *dev, } const struct ethtool_ops gfar_ethtool_ops = { - .get_settings = gfar_gsettings, - .set_settings = gfar_ssettings, + .supported_coalesce_params = ETHTOOL_COALESCE_USECS | + ETHTOOL_COALESCE_MAX_FRAMES, .get_drvinfo = gfar_gdrvinfo, .get_regs_len = gfar_reglen, .get_regs = gfar_get_regs, @@ -1806,6 +1510,8 @@ const struct ethtool_ops gfar_ethtool_ops = { .set_coalesce = gfar_scoalesce, .get_ringparam = gfar_gringparam, .set_ringparam = gfar_sringparam, + .get_pauseparam = gfar_gpauseparam, + .set_pauseparam = gfar_spauseparam, .get_strings = gfar_gstrings, .get_sset_count = gfar_sset_count, .get_ethtool_stats = gfar_fill_stats, @@ -1817,5 +1523,9 @@ const struct ethtool_ops gfar_ethtool_ops = { #endif .set_rxnfc = gfar_set_nfc, .get_rxnfc = gfar_get_nfc, + .get_rx_ring_count = gfar_get_rx_ring_count, + .set_rxfh_fields = gfar_set_rxfh_fields, .get_ts_info = gfar_get_ts_info, + .get_link_ksettings = phy_ethtool_get_link_ksettings, + .set_link_ksettings = phy_ethtool_set_link_ksettings, }; |