From: Jiri Pirko Date: Wed, 20 Jul 2011 04:54:19 +0000 (+0000) Subject: gianfar: do vlan cleanup X-Git-Tag: upstream/snapshot3+hdmi~9624^2~53 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=87c288c6e9aa31720b72e2bc2d665e24e1653c3e;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git gianfar: do vlan cleanup - unify vlan and nonvlan rx path - kill priv->vlgrp and gfar_vlan_rx_register - allow to turn on/off rx/tx vlan accel via ethtool Signed-off-by: Jiri Pirko Signed-off-by: David S. Miller --- diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index d265c6e..835cd25 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -140,8 +140,6 @@ int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit); static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue); static int gfar_process_frame(struct net_device *dev, struct sk_buff *skb, int amount_pull); -static void gfar_vlan_rx_register(struct net_device *netdev, - struct vlan_group *grp); void gfar_halt(struct net_device *dev); static void gfar_halt_nodisable(struct net_device *dev); void gfar_start(struct net_device *dev); @@ -391,10 +389,11 @@ static void gfar_init_mac(struct net_device *ndev) rctrl |= RCTRL_PRSDEP_INIT | RCTRL_TS_ENABLE; /* keep vlan related bits if it's enabled */ - if (priv->vlgrp) { + if (ndev->features & NETIF_F_HW_VLAN_TX) rctrl |= RCTRL_VLEX | RCTRL_PRSDEP_INIT; + + if (ndev->features & NETIF_F_HW_VLAN_RX) tctrl |= TCTRL_VLINS; - } /* Init rctrl based on our settings */ gfar_write(®s->rctrl, rctrl); @@ -467,7 +466,6 @@ static const struct net_device_ops gfar_netdev_ops = { .ndo_tx_timeout = gfar_timeout, .ndo_do_ioctl = gfar_ioctl, .ndo_get_stats = gfar_get_stats, - .ndo_vlan_rx_register = gfar_vlan_rx_register, .ndo_set_mac_address = eth_mac_addr, .ndo_validate_addr = eth_validate_addr, #ifdef CONFIG_NET_POLL_CONTROLLER @@ -507,10 +505,17 @@ void unlock_tx_qs(struct gfar_private *priv) spin_unlock(&priv->tx_queue[i]->txlock); } +static bool gfar_is_vlan_on(struct gfar_private *priv) +{ + return (priv->ndev->features & NETIF_F_HW_VLAN_RX) || + (priv->ndev->features & NETIF_F_HW_VLAN_TX); +} + /* Returns 1 if incoming frames use an FCB */ static inline int gfar_uses_fcb(struct gfar_private *priv) { - return priv->vlgrp || (priv->ndev->features & NETIF_F_RXCSUM) || + return gfar_is_vlan_on(priv) || + (priv->ndev->features & NETIF_F_RXCSUM) || (priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER); } @@ -1038,10 +1043,10 @@ static int gfar_probe(struct platform_device *ofdev) NETIF_F_RXCSUM | NETIF_F_HIGHDMA; } - priv->vlgrp = NULL; - - if (priv->device_flags & FSL_GIANFAR_DEV_HAS_VLAN) + if (priv->device_flags & FSL_GIANFAR_DEV_HAS_VLAN) { + dev->hw_features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; + } if (priv->device_flags & FSL_GIANFAR_DEV_HAS_EXTENDED_HASH) { priv->extended_hash = 1; @@ -2304,10 +2309,8 @@ void gfar_check_rx_parser_mode(struct gfar_private *priv) gfar_write(®s->rctrl, tempval); } - /* Enables and disables VLAN insertion/extraction */ -static void gfar_vlan_rx_register(struct net_device *dev, - struct vlan_group *grp) +void gfar_vlan_mode(struct net_device *dev, u32 features) { struct gfar_private *priv = netdev_priv(dev); struct gfar __iomem *regs = NULL; @@ -2318,25 +2321,24 @@ static void gfar_vlan_rx_register(struct net_device *dev, local_irq_save(flags); lock_rx_qs(priv); - priv->vlgrp = grp; - - if (grp) { + if (features & NETIF_F_HW_VLAN_TX) { /* Enable VLAN tag insertion */ tempval = gfar_read(®s->tctrl); tempval |= TCTRL_VLINS; - gfar_write(®s->tctrl, tempval); - - /* Enable VLAN tag extraction */ - tempval = gfar_read(®s->rctrl); - tempval |= (RCTRL_VLEX | RCTRL_PRSDEP_INIT); - gfar_write(®s->rctrl, tempval); } else { /* Disable VLAN tag insertion */ tempval = gfar_read(®s->tctrl); tempval &= ~TCTRL_VLINS; gfar_write(®s->tctrl, tempval); + } + if (features & NETIF_F_HW_VLAN_RX) { + /* Enable VLAN tag extraction */ + tempval = gfar_read(®s->rctrl); + tempval |= (RCTRL_VLEX | RCTRL_PRSDEP_INIT); + gfar_write(®s->rctrl, tempval); + } else { /* Disable VLAN tag extraction */ tempval = gfar_read(®s->rctrl); tempval &= ~RCTRL_VLEX; @@ -2359,7 +2361,7 @@ static int gfar_change_mtu(struct net_device *dev, int new_mtu) int oldsize = priv->rx_buffer_size; int frame_size = new_mtu + ETH_HLEN; - if (priv->vlgrp) + if (gfar_is_vlan_on(priv)) frame_size += VLAN_HLEN; if ((frame_size < 64) || (frame_size > JUMBO_FRAME_SIZE)) { @@ -2712,11 +2714,12 @@ static int gfar_process_frame(struct net_device *dev, struct sk_buff *skb, /* Tell the skb what kind of packet this is */ skb->protocol = eth_type_trans(skb, dev); + /* Set vlan tag */ + if (fcb->flags & RXFCB_VLN) + __vlan_hwaccel_put_tag(skb, fcb->vlctl); + /* Send the packet up the stack */ - if (unlikely(priv->vlgrp && (fcb->flags & RXFCB_VLN))) - ret = vlan_hwaccel_receive_skb(skb, priv->vlgrp, fcb->vlctl); - else - ret = netif_receive_skb(skb); + ret = netif_receive_skb(skb); if (NET_RX_DROP == ret) priv->extra_stats.kernel_dropped++; diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h index 87c1d86..9aa4377 100644 --- a/drivers/net/gianfar.h +++ b/drivers/net/gianfar.h @@ -1077,8 +1077,6 @@ struct gfar_private { struct sk_buff_head rx_recycle; - struct vlan_group *vlgrp; - /* RX queue filer rule set*/ struct ethtool_rx_list rx_list; struct mutex rx_queue_access; @@ -1183,6 +1181,7 @@ extern void gfar_configure_coalescing(struct gfar_private *priv, void gfar_init_sysfs(struct net_device *dev); int gfar_set_features(struct net_device *dev, u32 features); extern void gfar_check_rx_parser_mode(struct gfar_private *priv); +extern void gfar_vlan_mode(struct net_device *dev, u32 features); extern const struct ethtool_ops gfar_ethtool_ops; diff --git a/drivers/net/gianfar_ethtool.c b/drivers/net/gianfar_ethtool.c index 203369c..6e35069 100644 --- a/drivers/net/gianfar_ethtool.c +++ b/drivers/net/gianfar_ethtool.c @@ -526,6 +526,9 @@ int gfar_set_features(struct net_device *dev, u32 features) int err = 0, i = 0; u32 changed = dev->features ^ features; + if (changed & (NETIF_F_HW_VLAN_TX|NETIF_F_HW_VLAN_RX)) + gfar_vlan_mode(dev, features); + if (!(changed & NETIF_F_RXCSUM)) return 0;