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[PATCH] S2io: VLAN support

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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>
This commit is contained in:
raghavendra.koushik@neterion.com 2005-08-03 12:35:55 -07:00 committed by Jeff Garzik
parent 25fff88eb7
commit be3a6b02eb
2 changed files with 59 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

59
drivers/net/s2io.c
View File

@ -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

2
drivers/net/s2io.h
View File

@ -689,6 +689,8 @@ struct s2io_nic {
#define CARD_UP 2
atomic_t card_state;
volatile unsigned long link_state;
struct vlan_group *vlgrp;
spinlock_t rx_lock;
atomic_t isr_cnt;
};