On Tuesday 11 April 2006 10:58, David S. Miller wrote: > This is not very nice, there is no way I'm applying these patches. > > I think the current situation is far better than the large pile of > ifdefs these patches are adding to the tree. > > Let's just leave things the way they are ok? :( Ok, one last try. Would you like this smallish patch instead? It takes care of those BIG inlines. -- vda
diff -urpN linux-2.6.16.org/net/core/Makefile linux-2.6.16.vlan/net/core/Makefile --- linux-2.6.16.org/net/core/Makefile Mon Mar 20 07:53:29 2006 +++ linux-2.6.16.vlan/net/core/Makefile Tue Apr 11 10:15:59 2006 @@ -7,7 +7,7 @@ obj-y := sock.o request_sock.o skbuff.o obj-$(CONFIG_SYSCTL) += sysctl_net_core.o -obj-y += dev.o ethtool.o dev_mcast.o dst.o \ +obj-y += dev.o ethtool.o dev_mcast.o dev_vlan.o dst.o \ neighbour.o rtnetlink.o utils.o link_watch.o filter.o obj-$(CONFIG_XFRM) += flow.o diff -urpN linux-2.6.16.org/include/linux/if_vlan.h linux-2.6.16.vlan/include/linux/if_vlan.h --- linux-2.6.16.org/include/linux/if_vlan.h Mon Mar 20 07:53:29 2006 +++ linux-2.6.16.vlan/include/linux/if_vlan.h Tue Apr 11 10:15:59 2006 @@ -149,49 +149,9 @@ struct vlan_skb_tx_cookie { #define vlan_tx_tag_get(__skb) (VLAN_TX_SKB_CB(__skb)->vlan_tag) /* VLAN rx hw acceleration helper. This acts like netif_{rx,receive_skb}(). */ -static inline int __vlan_hwaccel_rx(struct sk_buff *skb, +int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp, - unsigned short vlan_tag, int polling) -{ - struct net_device_stats *stats; - - skb->dev = grp->vlan_devices[vlan_tag & VLAN_VID_MASK]; - if (skb->dev == NULL) { - dev_kfree_skb_any(skb); - - /* Not NET_RX_DROP, this is not being dropped - * due to congestion. - */ - return 0; - } - - skb->dev->last_rx = jiffies; - - stats = vlan_dev_get_stats(skb->dev); - stats->rx_packets++; - stats->rx_bytes += skb->len; - - skb->priority = vlan_get_ingress_priority(skb->dev, vlan_tag); - switch (skb->pkt_type) { - case PACKET_BROADCAST: - break; - - case PACKET_MULTICAST: - stats->multicast++; - break; - - case PACKET_OTHERHOST: - /* Our lower layer thinks this is not local, let's make sure. - * This allows the VLAN to have a different MAC than the underlying - * device, and still route correctly. - */ - if (!memcmp(eth_hdr(skb)->h_dest, skb->dev->dev_addr, ETH_ALEN)) - skb->pkt_type = PACKET_HOST; - break; - }; - - return (polling ? netif_receive_skb(skb) : netif_rx(skb)); -} + unsigned short vlan_tag, int polling); static inline int vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp, @@ -218,43 +178,7 @@ static inline int vlan_hwaccel_receive_s * Following the skb_unshare() example, in case of error, the calling function * doesn't have to worry about freeing the original skb. */ -static inline struct sk_buff *__vlan_put_tag(struct sk_buff *skb, unsigned short tag) -{ - struct vlan_ethhdr *veth; - - if (skb_headroom(skb) < VLAN_HLEN) { - struct sk_buff *sk_tmp = skb; - skb = skb_realloc_headroom(sk_tmp, VLAN_HLEN); - kfree_skb(sk_tmp); - if (!skb) { - printk(KERN_ERR "vlan: failed to realloc headroom\n"); - return NULL; - } - } else { - skb = skb_unshare(skb, GFP_ATOMIC); - if (!skb) { - printk(KERN_ERR "vlan: failed to unshare skbuff\n"); - return NULL; - } - } - - veth = (struct vlan_ethhdr *)skb_push(skb, VLAN_HLEN); - - /* Move the mac addresses to the beginning of the new header. */ - memmove(skb->data, skb->data + VLAN_HLEN, 2 * VLAN_ETH_ALEN); - - /* first, the ethernet type */ - veth->h_vlan_proto = __constant_htons(ETH_P_8021Q); - - /* now, the tag */ - veth->h_vlan_TCI = htons(tag); - - skb->protocol = __constant_htons(ETH_P_8021Q); - skb->mac.raw -= VLAN_HLEN; - skb->nh.raw -= VLAN_HLEN; - - return skb; -} +struct sk_buff *__vlan_put_tag(struct sk_buff *skb, unsigned short tag); /** * __vlan_hwaccel_put_tag - hardware accelerated VLAN inserting diff -urpN linux-2.6.16.org/net/core/dev_vlan.c linux-2.6.16.vlan/net/core/dev_vlan.c --- linux-2.6.16.org/net/core/dev_vlan.c Thu Jan 1 03:00:00 1970 +++ linux-2.6.16.vlan/net/core/dev_vlan.c Tue Apr 11 10:15:59 2006 @@ -0,0 +1,110 @@ +/* 802.1q helpers. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +/* #if defined(CONFIG_VLAN_8021Q) || defined (CONFIG_VLAN_8021Q_MODULE) */ + +#include <linux/skbuff.h> +#include <linux/if_vlan.h> + +/* VLAN rx hw acceleration helper. This acts like netif_{rx,receive_skb}(). */ +int __vlan_hwaccel_rx(struct sk_buff *skb, + struct vlan_group *grp, + unsigned short vlan_tag, int polling) +{ + struct net_device_stats *stats; + + skb->dev = grp->vlan_devices[vlan_tag & VLAN_VID_MASK]; + if (skb->dev == NULL) { + dev_kfree_skb_any(skb); + + /* Not NET_RX_DROP, this is not being dropped + * due to congestion. + */ + return 0; + } + + skb->dev->last_rx = jiffies; + + stats = vlan_dev_get_stats(skb->dev); + stats->rx_packets++; + stats->rx_bytes += skb->len; + + skb->priority = vlan_get_ingress_priority(skb->dev, vlan_tag); + switch (skb->pkt_type) { + case PACKET_BROADCAST: + break; + + case PACKET_MULTICAST: + stats->multicast++; + break; + + case PACKET_OTHERHOST: + /* Our lower layer thinks this is not local, let's make sure. + * This allows the VLAN to have a different MAC than the underlying + * device, and still route correctly. + */ + if (!memcmp(eth_hdr(skb)->h_dest, skb->dev->dev_addr, ETH_ALEN)) + skb->pkt_type = PACKET_HOST; + break; + }; + + return (polling ? netif_receive_skb(skb) : netif_rx(skb)); +} +EXPORT_SYMBOL(__vlan_hwaccel_rx); + +/** + * __vlan_put_tag - regular VLAN tag inserting + * @skb: skbuff to tag + * @tag: VLAN tag to insert + * + * Inserts the VLAN tag into @skb as part of the payload + * Returns a VLAN tagged skb. If a new skb is created, @skb is freed. + * + * Following the skb_unshare() example, in case of error, the calling function + * doesn't have to worry about freeing the original skb. + */ +struct sk_buff *__vlan_put_tag(struct sk_buff *skb, unsigned short tag) +{ + struct vlan_ethhdr *veth; + + if (skb_headroom(skb) < VLAN_HLEN) { + struct sk_buff *sk_tmp = skb; + skb = skb_realloc_headroom(sk_tmp, VLAN_HLEN); + kfree_skb(sk_tmp); + if (!skb) { + printk(KERN_ERR "vlan: failed to realloc headroom\n"); + return NULL; + } + } else { + skb = skb_unshare(skb, GFP_ATOMIC); + if (!skb) { + printk(KERN_ERR "vlan: failed to unshare skbuff\n"); + return NULL; + } + } + + veth = (struct vlan_ethhdr *)skb_push(skb, VLAN_HLEN); + + /* Move the mac addresses to the beginning of the new header. */ + memmove(skb->data, skb->data + VLAN_HLEN, 2 * VLAN_ETH_ALEN); + + /* first, the ethernet type */ + veth->h_vlan_proto = __constant_htons(ETH_P_8021Q); + + /* now, the tag */ + veth->h_vlan_TCI = htons(tag); + + skb->protocol = __constant_htons(ETH_P_8021Q); + skb->mac.raw -= VLAN_HLEN; + skb->nh.raw -= VLAN_HLEN; + + return skb; +} +EXPORT_SYMBOL(__vlan_put_tag); + +/* #endif */