diff options
Diffstat (limited to 'drivers/net/gianfar_ethtool.c')
| -rw-r--r-- | drivers/net/gianfar_ethtool.c | 909 |
1 files changed, 0 insertions, 909 deletions
diff --git a/drivers/net/gianfar_ethtool.c b/drivers/net/gianfar_ethtool.c deleted file mode 100644 index 3bc8e276ba4..00000000000 --- a/drivers/net/gianfar_ethtool.c +++ /dev/null @@ -1,909 +0,0 @@ -/* - * drivers/net/gianfar_ethtool.c - * - * Gianfar Ethernet Driver - * Ethtool support for Gianfar Enet - * Based on e1000 ethtool support - * - * Author: Andy Fleming - * Maintainer: Kumar Gala - * Modifier: Sandeep Gopalpet <sandeep.kumar@freescale.com> - * - * Copyright 2003-2006, 2008-2009 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. - */ - -#include <linux/kernel.h> -#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> -#include <linux/skbuff.h> -#include <linux/spinlock.h> -#include <linux/mm.h> - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/uaccess.h> -#include <linux/module.h> -#include <linux/crc32.h> -#include <asm/types.h> -#include <linux/ethtool.h> -#include <linux/mii.h> -#include <linux/phy.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 char stat_gstrings[][ETH_GSTRING_LEN] = { - "rx-dropped-by-kernel", - "rx-large-frame-errors", - "rx-short-frame-errors", - "rx-non-octet-errors", - "rx-crc-errors", - "rx-overrun-errors", - "rx-busy-errors", - "rx-babbling-errors", - "rx-truncated-frames", - "ethernet-bus-error", - "tx-babbling-errors", - "tx-underrun-errors", - "rx-skb-missing-errors", - "tx-timeout-errors", - "tx-rx-64-frames", - "tx-rx-65-127-frames", - "tx-rx-128-255-frames", - "tx-rx-256-511-frames", - "tx-rx-512-1023-frames", - "tx-rx-1024-1518-frames", - "tx-rx-1519-1522-good-vlan", - "rx-bytes", - "rx-packets", - "rx-fcs-errors", - "receive-multicast-packet", - "receive-broadcast-packet", - "rx-control-frame-packets", - "rx-pause-frame-packets", - "rx-unknown-op-code", - "rx-alignment-error", - "rx-frame-length-error", - "rx-code-error", - "rx-carrier-sense-error", - "rx-undersize-packets", - "rx-oversize-packets", - "rx-fragmented-frames", - "rx-jabber-frames", - "rx-dropped-frames", - "tx-byte-counter", - "tx-packets", - "tx-multicast-packets", - "tx-broadcast-packets", - "tx-pause-control-frames", - "tx-deferral-packets", - "tx-excessive-deferral-packets", - "tx-single-collision-packets", - "tx-multiple-collision-packets", - "tx-late-collision-packets", - "tx-excessive-collision-packets", - "tx-total-collision", - "reserved", - "tx-dropped-frames", - "tx-jabber-frames", - "tx-fcs-errors", - "tx-control-frames", - "tx-oversize-frames", - "tx-undersize-frames", - "tx-fragmented-frames", -}; - -/* Fill in a buffer with the strings which correspond to the - * stats */ -static void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf) -{ - struct gfar_private *priv = netdev_priv(dev); - - if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) - memcpy(buf, stat_gstrings, GFAR_STATS_LEN * ETH_GSTRING_LEN); - else - memcpy(buf, stat_gstrings, - GFAR_EXTRA_STATS_LEN * ETH_GSTRING_LEN); -} - -/* Fill in an array of 64-bit statistics from various sources. - * This array will be appended to the end of the ethtool_stats - * structure, and returned to user space - */ -static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy, u64 * buf) -{ - int i; - struct gfar_private *priv = netdev_priv(dev); - struct gfar __iomem *regs = priv->gfargrp[0].regs; - u64 *extra = (u64 *) & priv->extra_stats; - - if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) { - u32 __iomem *rmon = (u32 __iomem *) ®s->rmon; - struct gfar_stats *stats = (struct gfar_stats *) buf; - - for (i = 0; i < GFAR_RMON_LEN; i++) - stats->rmon[i] = (u64) gfar_read(&rmon[i]); - - for (i = 0; i < GFAR_EXTRA_STATS_LEN; i++) - stats->extra[i] = extra[i]; - } else - for (i = 0; i < GFAR_EXTRA_STATS_LEN; i++) - buf[i] = extra[i]; -} - -static int gfar_sset_count(struct net_device *dev, int sset) -{ - struct gfar_private *priv = netdev_priv(dev); - - switch (sset) { - case ETH_SS_STATS: - if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) - return GFAR_STATS_LEN; - else - return GFAR_EXTRA_STATS_LEN; - default: - return -EOPNOTSUPP; - } -} - -/* Fills in the drvinfo structure with some basic info */ -static void gfar_gdrvinfo(struct net_device *dev, struct - ethtool_drvinfo *drvinfo) -{ - strncpy(drvinfo->driver, DRV_NAME, GFAR_INFOSTR_LEN); - strncpy(drvinfo->version, gfar_driver_version, GFAR_INFOSTR_LEN); - strncpy(drvinfo->fw_version, "N/A", GFAR_INFOSTR_LEN); - strncpy(drvinfo->bus_info, "N/A", GFAR_INFOSTR_LEN); - 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); -} - -/* Return the length of the register structure */ -static int gfar_reglen(struct net_device *dev) -{ - return sizeof (struct gfar); -} - -/* Return a dump of the GFAR register space */ -static void gfar_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *regbuf) -{ - int i; - struct gfar_private *priv = netdev_priv(dev); - u32 __iomem *theregs = (u32 __iomem *) priv->gfargrp[0].regs; - u32 *buf = (u32 *) regbuf; - - for (i = 0; i < sizeof (struct gfar) / sizeof (u32); i++) - buf[i] = gfar_read(&theregs[i]); -} - -/* Convert microseconds to ethernet clock ticks, which changes - * depending on what speed the controller is running at */ -static unsigned int gfar_usecs2ticks(struct gfar_private *priv, unsigned int usecs) -{ - unsigned int count; - - /* The timer is different, depending on the interface speed */ - switch (priv->phydev->speed) { - case SPEED_1000: - count = GFAR_GBIT_TIME; - break; - case SPEED_100: - count = GFAR_100_TIME; - break; - case SPEED_10: - default: - count = GFAR_10_TIME; - break; - } - - /* Make sure we return a number greater than 0 - * if usecs > 0 */ - return (usecs * 1000 + count - 1) / count; -} - -/* Convert ethernet clock ticks to microseconds */ -static unsigned int gfar_ticks2usecs(struct gfar_private *priv, unsigned int ticks) -{ - unsigned int count; - - /* The timer is different, depending on the interface speed */ - switch (priv->phydev->speed) { - case SPEED_1000: - count = GFAR_GBIT_TIME; - break; - case SPEED_100: - count = GFAR_100_TIME; - break; - case SPEED_10: - default: - count = GFAR_10_TIME; - break; - } - - /* Make sure we return a number greater than 0 */ - /* if ticks is > 0 */ - return (ticks * count) / 1000; -} - -/* Get the coalescing parameters, and put them in the cvals - * structure. */ -static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals) -{ - struct gfar_private *priv = netdev_priv(dev); - struct gfar_priv_rx_q *rx_queue = NULL; - struct gfar_priv_tx_q *tx_queue = NULL; - unsigned long rxtime; - unsigned long rxcount; - unsigned long txtime; - unsigned long txcount; - - if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE)) - return -EOPNOTSUPP; - - if (NULL == priv->phydev) - return -ENODEV; - - rx_queue = priv->rx_queue[0]; - tx_queue = priv->tx_queue[0]; - - rxtime = get_ictt_value(rx_queue->rxic); - rxcount = get_icft_value(rx_queue->rxic); - txtime = get_ictt_value(tx_queue->txic); - txcount = get_icft_value(tx_queue->txic); - cvals->rx_coalesce_usecs = gfar_ticks2usecs(priv, rxtime); - cvals->rx_max_coalesced_frames = rxcount; - - 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; -} - -/* Change the coalescing values. - * Both cvals->*_usecs and cvals->*_frames have to be > 0 - * in order for coalescing to be active - */ -static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals) -{ - struct gfar_private *priv = netdev_priv(dev); - int i = 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) - return -ENODEV; - - /* Check the bounds of the values */ - if (cvals->rx_coalesce_usecs > GFAR_MAX_COAL_USECS) { - pr_info("Coalescing is limited to %d microseconds\n", - GFAR_MAX_COAL_USECS); - return -EINVAL; - } - - if (cvals->rx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) { - pr_info("Coalescing is limited to %d frames\n", - GFAR_MAX_COAL_FRAMES); - return -EINVAL; - } - - for (i = 0; i < priv->num_rx_queues; i++) { - priv->rx_queue[i]->rxic = mk_ic_value( - cvals->rx_max_coalesced_frames, - gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs)); - } - - /* Set up tx coalescing */ - if ((cvals->tx_coalesce_usecs == 0) || - (cvals->tx_max_coalesced_frames == 0)) { - for (i = 0; i < priv->num_tx_queues; i++) - priv->tx_queue[i]->txcoalescing = 0; - } else { - for (i = 0; i < priv->num_tx_queues; i++) - priv->tx_queue[i]->txcoalescing = 1; - } - - /* Check the bounds of the values */ - if (cvals->tx_coalesce_usecs > GFAR_MAX_COAL_USECS) { - pr_info("Coalescing is limited to %d microseconds\n", - GFAR_MAX_COAL_USECS); - return -EINVAL; - } - - if (cvals->tx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) { - pr_info("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(priv, 0xFF, 0xFF); - - return 0; -} - -/* 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 gfar_private *priv = netdev_priv(dev); - struct gfar_priv_tx_q *tx_queue = NULL; - struct gfar_priv_rx_q *rx_queue = NULL; - - tx_queue = priv->tx_queue[0]; - rx_queue = priv->rx_queue[0]; - - rvals->rx_max_pending = GFAR_RX_MAX_RING_SIZE; - rvals->rx_mini_max_pending = GFAR_RX_MAX_RING_SIZE; - rvals->rx_jumbo_max_pending = GFAR_RX_MAX_RING_SIZE; - rvals->tx_max_pending = GFAR_TX_MAX_RING_SIZE; - - /* Values changeable by the user. The valid values are - * in the range 1 to the "*_max_pending" counterpart above. - */ - rvals->rx_pending = rx_queue->rx_ring_size; - rvals->rx_mini_pending = rx_queue->rx_ring_size; - rvals->rx_jumbo_pending = rx_queue->rx_ring_size; - rvals->tx_pending = tx_queue->tx_ring_size; -} - -/* 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. */ -static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rvals) -{ - struct gfar_private *priv = netdev_priv(dev); - int err = 0, i = 0; - - if (rvals->rx_pending > GFAR_RX_MAX_RING_SIZE) - return -EINVAL; - - if (!is_power_of_2(rvals->rx_pending)) { - printk("%s: Ring sizes must be a power of 2\n", - dev->name); - return -EINVAL; - } - - if (rvals->tx_pending > GFAR_TX_MAX_RING_SIZE) - return -EINVAL; - - if (!is_power_of_2(rvals->tx_pending)) { - printk("%s: Ring sizes must be a power of 2\n", - dev->name); - return -EINVAL; - } - - - 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 */ - stop_gfar(dev); - } - - /* Change the size */ - for (i = 0; i < priv->num_rx_queues; i++) { - priv->rx_queue[i]->rx_ring_size = rvals->rx_pending; - 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) { - err = startup_gfar(dev); - netif_tx_wake_all_queues(dev); - } - return err; -} - -static int gfar_set_rx_csum(struct net_device *dev, uint32_t data) -{ - struct gfar_private *priv = netdev_priv(dev); - unsigned long flags; - int err = 0, i = 0; - - if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM)) - return -EOPNOTSUPP; - - - 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); - - gfar_halt(dev); - - unlock_tx_qs(priv); - unlock_rx_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 */ - stop_gfar(dev); - } - - spin_lock_irqsave(&priv->bflock, flags); - priv->rx_csum_enable = data; - spin_unlock_irqrestore(&priv->bflock, flags); - - if (dev->flags & IFF_UP) { - err = startup_gfar(dev); - netif_tx_wake_all_queues(dev); - } - return err; -} - -static uint32_t gfar_get_rx_csum(struct net_device *dev) -{ - struct gfar_private *priv = netdev_priv(dev); - - if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM)) - return 0; - - return priv->rx_csum_enable; -} - -static int gfar_set_tx_csum(struct net_device *dev, uint32_t data) -{ - struct gfar_private *priv = netdev_priv(dev); - - if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM)) - return -EOPNOTSUPP; - - netif_tx_lock_bh(dev); - - if (data) - dev->features |= NETIF_F_IP_CSUM; - else - dev->features &= ~NETIF_F_IP_CSUM; - - netif_tx_unlock_bh(dev); - - return 0; -} - -static uint32_t gfar_get_tx_csum(struct net_device *dev) -{ - struct gfar_private *priv = netdev_priv(dev); - - if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM)) - return 0; - - return (dev->features & NETIF_F_IP_CSUM) != 0; -} - -static uint32_t gfar_get_msglevel(struct net_device *dev) -{ - struct gfar_private *priv = netdev_priv(dev); - return priv->msg_enable; -} - -static void gfar_set_msglevel(struct net_device *dev, uint32_t data) -{ - struct gfar_private *priv = netdev_priv(dev); - priv->msg_enable = data; -} - -#ifdef CONFIG_PM -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; - } -} - -static int gfar_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) -{ - struct gfar_private *priv = netdev_priv(dev); - unsigned long flags; - - if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET) && - wol->wolopts != 0) - return -EINVAL; - - if (wol->wolopts & ~WAKE_MAGIC) - return -EINVAL; - - device_set_wakeup_enable(&dev->dev, wol->wolopts & WAKE_MAGIC); - - spin_lock_irqsave(&priv->bflock, flags); - priv->wol_en = !!device_may_wakeup(&dev->dev); - spin_unlock_irqrestore(&priv->bflock, flags); - - return 0; -} -#endif - -static int gfar_ethflow_to_class(int flow_type, u64 *class) -{ - switch (flow_type) { - case TCP_V4_FLOW: - *class = CLASS_CODE_TCP_IPV4; - break; - case UDP_V4_FLOW: - *class = CLASS_CODE_UDP_IPV4; - break; - case AH_V4_FLOW: - case ESP_V4_FLOW: - *class = CLASS_CODE_AH_ESP_IPV4; - break; - case SCTP_V4_FLOW: - *class = CLASS_CODE_SCTP_IPV4; - break; - case TCP_V6_FLOW: - *class = CLASS_CODE_TCP_IPV6; - break; - case UDP_V6_FLOW: - *class = CLASS_CODE_UDP_IPV6; - break; - case AH_V6_FLOW: - case ESP_V6_FLOW: - *class = CLASS_CODE_AH_ESP_IPV6; - break; - case SCTP_V6_FLOW: - *class = CLASS_CODE_SCTP_IPV6; - break; - default: - return 0; - } - - return 1; -} - -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 | - RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0; - ftp_rqfpr[priv->cur_filer_idx] = fpr; - 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 | - RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0; - ftp_rqfpr[priv->cur_filer_idx] = fpr; - 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; - } - - if (ethflow & RXH_VLAN) { - fcr = RQFCR_PID_VID | RQFCR_CMP_NOMATCH | RQFCR_HASH | - RQFCR_AND | RQFCR_HASHTBL_0; - gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); - ftp_rqfpr[priv->cur_filer_idx] = fpr; - ftp_rqfcr[priv->cur_filer_idx] = fcr; - priv->cur_filer_idx = priv->cur_filer_idx - 1; - } - - if (ethflow & RXH_IP_SRC) { - fcr = RQFCR_PID_SIA | RQFCR_CMP_NOMATCH | RQFCR_HASH | - RQFCR_AND | RQFCR_HASHTBL_0; - ftp_rqfpr[priv->cur_filer_idx] = fpr; - 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; - } - - if (ethflow & (RXH_IP_DST)) { - fcr = RQFCR_PID_DIA | RQFCR_CMP_NOMATCH | RQFCR_HASH | - RQFCR_AND | RQFCR_HASHTBL_0; - ftp_rqfpr[priv->cur_filer_idx] = fpr; - 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; - } - - if (ethflow & RXH_L3_PROTO) { - fcr = RQFCR_PID_L4P | RQFCR_CMP_NOMATCH | RQFCR_HASH | - RQFCR_AND | RQFCR_HASHTBL_0; - ftp_rqfpr[priv->cur_filer_idx] = fpr; - 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; - } - - if (ethflow & RXH_L4_B_0_1) { - fcr = RQFCR_PID_SPT | RQFCR_CMP_NOMATCH | RQFCR_HASH | - RQFCR_AND | RQFCR_HASHTBL_0; - ftp_rqfpr[priv->cur_filer_idx] = fpr; - 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; - } - - if (ethflow & RXH_L4_B_2_3) { - fcr = RQFCR_PID_DPT | RQFCR_CMP_NOMATCH | RQFCR_HASH | - RQFCR_AND | RQFCR_HASHTBL_0; - ftp_rqfpr[priv->cur_filer_idx] = fpr; - 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; - } -} - -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[MAX_FILER_IDX + 1]; - unsigned int local_rqfcr[MAX_FILER_IDX + 1]; - int i = 0x0, k = 0x0; - int j = MAX_FILER_IDX, l = 0x0; - - switch (class) { - case TCP_V4_FLOW: - cmp_rqfpr = RQFPR_IPV4 |RQFPR_TCP; - break; - case UDP_V4_FLOW: - cmp_rqfpr = RQFPR_IPV4 |RQFPR_UDP; - break; - case TCP_V6_FLOW: - cmp_rqfpr = RQFPR_IPV6 |RQFPR_TCP; - break; - case UDP_V6_FLOW: - cmp_rqfpr = RQFPR_IPV6 |RQFPR_UDP; - break; - case IPV4_FLOW: - cmp_rqfpr = RQFPR_IPV4; - case IPV6_FLOW: - cmp_rqfpr = RQFPR_IPV6; - break; - default: - printk(KERN_ERR "Right now this class is not supported\n"); - return 0; - } - - for (i = 0; i < MAX_FILER_IDX + 1; i++) { - local_rqfpr[j] = ftp_rqfpr[i]; - local_rqfcr[j] = ftp_rqfcr[i]; - j--; - if ((ftp_rqfcr[i] == (RQFCR_PID_PARSE | - RQFCR_CLE |RQFCR_AND)) && - (ftp_rqfpr[i] == cmp_rqfpr)) - break; - } - - if (i == MAX_FILER_IDX + 1) { - printk(KERN_ERR "No parse rule found, "); - printk(KERN_ERR "can't create hash rules\n"); - return 0; - } - - /* If a match was found, then it begins the starting of a cluster rule - * if it was already programmed, we need to overwrite these rules - */ - for (l = i+1; l < MAX_FILER_IDX; l++) { - if ((ftp_rqfcr[l] & RQFCR_CLE) && - !(ftp_rqfcr[l] & RQFCR_AND)) { - ftp_rqfcr[l] = RQFCR_CLE | RQFCR_CMP_EXACT | - RQFCR_HASHTBL_0 | RQFCR_PID_MASK; - ftp_rqfpr[l] = FPR_FILER_MASK; - gfar_write_filer(priv, l, ftp_rqfcr[l], ftp_rqfpr[l]); - break; - } - - if (!(ftp_rqfcr[l] & RQFCR_CLE) && (ftp_rqfcr[l] & RQFCR_AND)) - continue; - else { - local_rqfpr[j] = ftp_rqfpr[l]; - local_rqfcr[j] = ftp_rqfcr[l]; - j--; - } - } - - priv->cur_filer_idx = l - 1; - last_rule_idx = l; - - /* hash rules */ - ethflow_to_filer_rules(priv, ethflow); - - /* Write back the popped out rules again */ - for (k = j+1; k < MAX_FILER_IDX; k++) { - ftp_rqfpr[priv->cur_filer_idx] = local_rqfpr[k]; - ftp_rqfcr[priv->cur_filer_idx] = local_rqfcr[k]; - gfar_write_filer(priv, priv->cur_filer_idx, - local_rqfcr[k], local_rqfpr[k]); - if (!priv->cur_filer_idx) - break; - priv->cur_filer_idx = priv->cur_filer_idx - 1; - } - - return 1; -} - -static int gfar_set_hash_opts(struct gfar_private *priv, struct ethtool_rxnfc *cmd) -{ - u64 class; - - if (!gfar_ethflow_to_class(cmd->flow_type, &class)) - return -EINVAL; - - if (class < CLASS_CODE_USER_PROG1 || - class > CLASS_CODE_SCTP_IPV6) - return -EINVAL; - - /* write the filer rules here */ - if (!gfar_ethflow_to_filer_table(priv, cmd->data, cmd->flow_type)) - return -1; - - return 0; -} - -static int gfar_set_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd) -{ - struct gfar_private *priv = netdev_priv(dev); - int ret = 0; - - switch(cmd->cmd) { - case ETHTOOL_SRXFH: - ret = gfar_set_hash_opts(priv, cmd); - break; - default: - ret = -EINVAL; - } - - return ret; -} - -const struct ethtool_ops gfar_ethtool_ops = { - .get_settings = gfar_gsettings, - .set_settings = gfar_ssettings, - .get_drvinfo = gfar_gdrvinfo, - .get_regs_len = gfar_reglen, - .get_regs = gfar_get_regs, - .get_link = ethtool_op_get_link, - .get_coalesce = gfar_gcoalesce, - .set_coalesce = gfar_scoalesce, - .get_ringparam = gfar_gringparam, - .set_ringparam = gfar_sringparam, - .get_strings = gfar_gstrings, - .get_sset_count = gfar_sset_count, - .get_ethtool_stats = gfar_fill_stats, - .get_rx_csum = gfar_get_rx_csum, - .get_tx_csum = gfar_get_tx_csum, - .set_rx_csum = gfar_set_rx_csum, - .set_tx_csum = gfar_set_tx_csum, - .set_sg = ethtool_op_set_sg, - .get_msglevel = gfar_get_msglevel, - .set_msglevel = gfar_set_msglevel, -#ifdef CONFIG_PM - .get_wol = gfar_get_wol, - .set_wol = gfar_set_wol, -#endif - .set_rxnfc = gfar_set_nfc, -}; 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