diff options
author | raghavendra.koushik@neterion.com <raghavendra.koushik@neterion.com> | 2005-08-03 12:35:55 -0700 |
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committer | Jeff Garzik <jgarzik@pobox.com> | 2005-08-11 00:10:45 -0400 |
commit | be3a6b02eb68a4d47397b771b6e4aa1f7f0f7ffb (patch) | |
tree | 67564ac815ce2475364dd215a000150240b763ca /drivers/net/s2io.c | |
parent | 25fff88eb7dbc63e03f1766e130515900d440dbb (diff) | |
download | talos-op-linux-be3a6b02eb68a4d47397b771b6e4aa1f7f0f7ffb.tar.gz talos-op-linux-be3a6b02eb68a4d47397b771b6e4aa1f7f0f7ffb.zip |
[PATCH] S2io: VLAN support
Hi,
Patch below adds VLAN support to the driver.
Signed-off-by: Ravinandan Arakali <ravinandan.arakali@neterion.com>
Signed-off-by: Raghavendra Koushik <raghavendra.koushik@neterion.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Diffstat (limited to 'drivers/net/s2io.c')
-rw-r--r-- | drivers/net/s2io.c | 59 |
1 files changed, 57 insertions, 2 deletions
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index ee498d248d38..db3e394c740b 100644 --- a/drivers/net/s2io.c +++ b/drivers/net/s2io.c @@ -55,6 +55,7 @@ #include <linux/ethtool.h> #include <linux/version.h> #include <linux/workqueue.h> +#include <linux/if_vlan.h> #include <asm/system.h> #include <asm/uaccess.h> @@ -174,6 +175,30 @@ static char ethtool_stats_keys[][ETH_GSTRING_LEN] = { timer.data = (unsigned long) arg; \ mod_timer(&timer, (jiffies + exp)) \ +/* Add the vlan */ +static void s2io_vlan_rx_register(struct net_device *dev, + struct vlan_group *grp) +{ + nic_t *nic = dev->priv; + unsigned long flags; + + spin_lock_irqsave(&nic->tx_lock, flags); + nic->vlgrp = grp; + spin_unlock_irqrestore(&nic->tx_lock, flags); +} + +/* Unregister the vlan */ +static void s2io_vlan_rx_kill_vid(struct net_device *dev, unsigned long vid) +{ + nic_t *nic = dev->priv; + unsigned long flags; + + spin_lock_irqsave(&nic->tx_lock, flags); + if (nic->vlgrp) + nic->vlgrp->vlan_devices[vid] = NULL; + spin_unlock_irqrestore(&nic->tx_lock, flags); +} + /* * Constants to be programmed into the Xena's registers, to configure * the XAUI. @@ -2803,6 +2828,8 @@ int s2io_xmit(struct sk_buff *skb, struct net_device *dev) #ifdef NETIF_F_TSO int mss; #endif + u16 vlan_tag = 0; + int vlan_priority = 0; mac_info_t *mac_control; struct config_param *config; @@ -2821,6 +2848,13 @@ int s2io_xmit(struct sk_buff *skb, struct net_device *dev) queue = 0; + /* Get Fifo number to Transmit based on vlan priority */ + if (sp->vlgrp && vlan_tx_tag_present(skb)) { + vlan_tag = vlan_tx_tag_get(skb); + vlan_priority = vlan_tag >> 13; + queue = config->fifo_mapping[vlan_priority]; + } + put_off = (u16) mac_control->fifos[queue].tx_curr_put_info.offset; get_off = (u16) mac_control->fifos[queue].tx_curr_get_info.offset; txdp = (TxD_t *) mac_control->fifos[queue].list_info[put_off]. @@ -2857,6 +2891,11 @@ int s2io_xmit(struct sk_buff *skb, struct net_device *dev) txdp->Control_2 |= config->tx_intr_type; + if (sp->vlgrp && vlan_tx_tag_present(skb)) { + txdp->Control_2 |= TXD_VLAN_ENABLE; + txdp->Control_2 |= TXD_VLAN_TAG(vlan_tag); + } + txdp->Control_1 |= (TXD_BUFFER0_SIZE(frg_len) | TXD_GATHER_CODE_FIRST); txdp->Control_1 |= TXD_LIST_OWN_XENA; @@ -4653,10 +4692,23 @@ static int rx_osm_handler(ring_info_t *ring_data, RxD_t * rxdp) skb->protocol = eth_type_trans(skb, dev); #ifdef CONFIG_S2IO_NAPI - netif_receive_skb(skb); + if (sp->vlgrp && RXD_GET_VLAN_TAG(rxdp->Control_2)) { + /* Queueing the vlan frame to the upper layer */ + vlan_hwaccel_receive_skb(skb, sp->vlgrp, + RXD_GET_VLAN_TAG(rxdp->Control_2)); + } else { + netif_receive_skb(skb); + } #else - netif_rx(skb); + if (sp->vlgrp && RXD_GET_VLAN_TAG(rxdp->Control_2)) { + /* Queueing the vlan frame to the upper layer */ + vlan_hwaccel_rx(skb, sp->vlgrp, + RXD_GET_VLAN_TAG(rxdp->Control_2)); + } else { + netif_rx(skb); + } #endif + dev->last_rx = jiffies; atomic_dec(&sp->rx_bufs_left[ring_no]); return SUCCESS; @@ -4954,6 +5006,9 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) dev->do_ioctl = &s2io_ioctl; dev->change_mtu = &s2io_change_mtu; SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops); + dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; + dev->vlan_rx_register = s2io_vlan_rx_register; + dev->vlan_rx_kill_vid = (void *)s2io_vlan_rx_kill_vid; /* * will use eth_mac_addr() for dev->set_mac_address |