diff options
Diffstat (limited to 'drivers/net/gianfar_ethtool.c')
| -rw-r--r-- | drivers/net/gianfar_ethtool.c | 376 |
1 files changed, 326 insertions, 50 deletions
diff --git a/drivers/net/gianfar_ethtool.c b/drivers/net/gianfar_ethtool.c index 6c144b5..1010367 100644 --- a/drivers/net/gianfar_ethtool.c +++ b/drivers/net/gianfar_ethtool.c @@ -7,8 +7,9 @@ * * Author: Andy Fleming * Maintainer: Kumar Gala + * Modifier: Sandeep Gopalpet <sandeep.kumar@freescale.com> * - * Copyright (c) 2003,2004 Freescale Semiconductor, Inc. + * 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 @@ -41,7 +42,7 @@ #include "gianfar.h" extern void gfar_start(struct net_device *dev); -extern int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit); +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 @@ -136,10 +137,11 @@ static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy, { 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 *) & priv->regs->rmon; + u32 __iomem *rmon = (u32 __iomem *) ®s->rmon; struct gfar_stats *stats = (struct gfar_stats *) buf; for (i = 0; i < GFAR_RMON_LEN; i++) @@ -197,12 +199,18 @@ 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]; - cmd->maxtxpkt = get_icft_value(priv->txic); - cmd->maxrxpkt = get_icft_value(priv->rxic); + /* 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); } @@ -218,7 +226,7 @@ static void gfar_get_regs(struct net_device *dev, struct ethtool_regs *regs, voi { int i; struct gfar_private *priv = netdev_priv(dev); - u32 __iomem *theregs = (u32 __iomem *) priv->regs; + u32 __iomem *theregs = (u32 __iomem *) priv->gfargrp[0].regs; u32 *buf = (u32 *) regbuf; for (i = 0; i < sizeof (struct gfar) / sizeof (u32); i++) @@ -279,6 +287,8 @@ static unsigned int gfar_ticks2usecs(struct gfar_private *priv, unsigned int tic 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; @@ -290,10 +300,13 @@ static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals if (NULL == priv->phydev) return -ENODEV; - rxtime = get_ictt_value(priv->rxic); - rxcount = get_icft_value(priv->rxic); - txtime = get_ictt_value(priv->txic); - txcount = get_icft_value(priv->txic); + 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; @@ -339,16 +352,23 @@ static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals 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)) - priv->rxcoalescing = 0; - else - priv->rxcoalescing = 1; + (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; @@ -366,15 +386,21 @@ static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals return -EINVAL; } - priv->rxic = mk_ic_value(cvals->rx_max_coalesced_frames, - gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs)); + 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)) - priv->txcoalescing = 0; - else - priv->txcoalescing = 1; + (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) { @@ -389,16 +415,13 @@ static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals return -EINVAL; } - priv->txic = mk_ic_value(cvals->tx_max_coalesced_frames, - gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs)); - - gfar_write(&priv->regs->rxic, 0); - if (priv->rxcoalescing) - gfar_write(&priv->regs->rxic, priv->rxic); + 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_write(&priv->regs->txic, 0); - if (priv->txcoalescing) - gfar_write(&priv->regs->txic, priv->txic); + gfar_configure_coalescing(priv, 0xFF, 0xFF); return 0; } @@ -409,6 +432,11 @@ static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals 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; @@ -418,10 +446,10 @@ static void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rv /* Values changeable by the user. The valid values are * in the range 1 to the "*_max_pending" counterpart above. */ - rvals->rx_pending = priv->rx_ring_size; - rvals->rx_mini_pending = priv->rx_ring_size; - rvals->rx_jumbo_pending = priv->rx_ring_size; - rvals->tx_pending = priv->tx_ring_size; + 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 @@ -431,7 +459,7 @@ static void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rv static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rvals) { struct gfar_private *priv = netdev_priv(dev); - int err = 0; + int err = 0, i = 0; if (rvals->rx_pending > GFAR_RX_MAX_RING_SIZE) return -EINVAL; @@ -451,34 +479,41 @@ static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rva return -EINVAL; } + if (dev->flags & IFF_UP) { unsigned long flags; /* Halt TX and RX, and process the frames which * have already been received */ - spin_lock_irqsave(&priv->txlock, flags); - spin_lock(&priv->rxlock); + local_irq_save(flags); + lock_tx_qs(priv); + lock_rx_qs(priv); gfar_halt(dev); - spin_unlock(&priv->rxlock); - spin_unlock_irqrestore(&priv->txlock, flags); + unlock_rx_qs(priv); + unlock_tx_qs(priv); + local_irq_restore(flags); - gfar_clean_rx_ring(dev, priv->rx_ring_size); + 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 */ - priv->rx_ring_size = rvals->rx_pending; - priv->tx_ring_size = rvals->tx_pending; - priv->num_txbdfree = priv->tx_ring_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_wake_queue(dev); + netif_tx_wake_all_queues(dev); } return err; } @@ -487,23 +522,28 @@ 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; + 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 */ - spin_lock_irqsave(&priv->txlock, flags); - spin_lock(&priv->rxlock); + local_irq_save(flags); + lock_tx_qs(priv); + lock_rx_qs(priv); gfar_halt(dev); - spin_unlock(&priv->rxlock); - spin_unlock_irqrestore(&priv->txlock, flags); + unlock_tx_qs(priv); + unlock_rx_qs(priv); + local_irq_save(flags); - gfar_clean_rx_ring(dev, priv->rx_ring_size); + 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); @@ -515,7 +555,7 @@ static int gfar_set_rx_csum(struct net_device *dev, uint32_t data) if (dev->flags & IFF_UP) { err = startup_gfar(dev); - netif_wake_queue(dev); + netif_tx_wake_all_queues(dev); } return err; } @@ -605,6 +645,241 @@ static int gfar_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) } #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, @@ -630,4 +905,5 @@ const struct ethtool_ops gfar_ethtool_ops = { .get_wol = gfar_get_wol, .set_wol = gfar_set_wol, #endif + .set_rxnfc = gfar_set_nfc, }; |
