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-rw-r--r--net/8021q/vlan.c18
-rw-r--r--net/8021q/vlan.h105
-rw-r--r--net/8021q/vlan_dev.c51
3 files changed, 51 insertions, 123 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 61fc573f1142..b3d17d1c49c3 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -98,14 +98,14 @@ void unregister_vlan_dev(struct net_device *dev, struct list_head *head)
vlan_gvrp_request_leave(dev);
vlan_group_set_device(grp, vlan->vlan_proto, vlan_id, NULL);
+
+ netdev_upper_dev_unlink(real_dev, dev);
/* Because unregister_netdevice_queue() makes sure at least one rcu
* grace period is respected before device freeing,
* we dont need to call synchronize_net() here.
*/
unregister_netdevice_queue(dev, head);
- netdev_upper_dev_unlink(real_dev, dev);
-
if (grp->nr_vlan_devs == 0) {
vlan_mvrp_uninit_applicant(real_dev);
vlan_gvrp_uninit_applicant(real_dev);
@@ -169,13 +169,13 @@ int register_vlan_dev(struct net_device *dev)
if (err < 0)
goto out_uninit_mvrp;
- err = netdev_upper_dev_link(real_dev, dev);
- if (err)
- goto out_uninit_mvrp;
-
err = register_netdevice(dev);
if (err < 0)
- goto out_upper_dev_unlink;
+ goto out_uninit_mvrp;
+
+ err = netdev_upper_dev_link(real_dev, dev);
+ if (err)
+ goto out_unregister_netdev;
/* Account for reference in struct vlan_dev_priv */
dev_hold(real_dev);
@@ -191,8 +191,8 @@ int register_vlan_dev(struct net_device *dev)
return 0;
-out_upper_dev_unlink:
- netdev_upper_dev_unlink(real_dev, dev);
+out_unregister_netdev:
+ unregister_netdevice(dev);
out_uninit_mvrp:
if (grp->nr_vlan_devs == 0)
vlan_mvrp_uninit_applicant(real_dev);
diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h
index ba5983f34c42..5704ed9c3a23 100644
--- a/net/8021q/vlan.h
+++ b/net/8021q/vlan.h
@@ -5,83 +5,6 @@
#include <linux/u64_stats_sync.h>
#include <linux/list.h>
-
-/**
- * struct vlan_priority_tci_mapping - vlan egress priority mappings
- * @priority: skb priority
- * @vlan_qos: vlan priority: (skb->priority << 13) & 0xE000
- * @next: pointer to next struct
- */
-struct vlan_priority_tci_mapping {
- u32 priority;
- u16 vlan_qos;
- struct vlan_priority_tci_mapping *next;
-};
-
-
-/**
- * struct vlan_pcpu_stats - VLAN percpu rx/tx stats
- * @rx_packets: number of received packets
- * @rx_bytes: number of received bytes
- * @rx_multicast: number of received multicast packets
- * @tx_packets: number of transmitted packets
- * @tx_bytes: number of transmitted bytes
- * @syncp: synchronization point for 64bit counters
- * @rx_errors: number of rx errors
- * @tx_dropped: number of tx drops
- */
-struct vlan_pcpu_stats {
- u64 rx_packets;
- u64 rx_bytes;
- u64 rx_multicast;
- u64 tx_packets;
- u64 tx_bytes;
- struct u64_stats_sync syncp;
- u32 rx_errors;
- u32 tx_dropped;
-};
-
-struct netpoll;
-
-/**
- * struct vlan_dev_priv - VLAN private device data
- * @nr_ingress_mappings: number of ingress priority mappings
- * @ingress_priority_map: ingress priority mappings
- * @nr_egress_mappings: number of egress priority mappings
- * @egress_priority_map: hash of egress priority mappings
- * @vlan_proto: VLAN encapsulation protocol
- * @vlan_id: VLAN identifier
- * @flags: device flags
- * @real_dev: underlying netdevice
- * @real_dev_addr: address of underlying netdevice
- * @dent: proc dir entry
- * @vlan_pcpu_stats: ptr to percpu rx stats
- */
-struct vlan_dev_priv {
- unsigned int nr_ingress_mappings;
- u32 ingress_priority_map[8];
- unsigned int nr_egress_mappings;
- struct vlan_priority_tci_mapping *egress_priority_map[16];
-
- __be16 vlan_proto;
- u16 vlan_id;
- u16 flags;
-
- struct net_device *real_dev;
- unsigned char real_dev_addr[ETH_ALEN];
-
- struct proc_dir_entry *dent;
- struct vlan_pcpu_stats __percpu *vlan_pcpu_stats;
-#ifdef CONFIG_NET_POLL_CONTROLLER
- struct netpoll *netpoll;
-#endif
-};
-
-static inline struct vlan_dev_priv *vlan_dev_priv(const struct net_device *dev)
-{
- return netdev_priv(dev);
-}
-
/* if this changes, algorithm will have to be reworked because this
* depends on completely exhausting the VLAN identifier space. Thus
* it gives constant time look-up, but in many cases it wastes memory.
@@ -196,12 +119,12 @@ static inline u32 vlan_get_ingress_priority(struct net_device *dev,
}
#ifdef CONFIG_VLAN_8021Q_GVRP
-extern int vlan_gvrp_request_join(const struct net_device *dev);
-extern void vlan_gvrp_request_leave(const struct net_device *dev);
-extern int vlan_gvrp_init_applicant(struct net_device *dev);
-extern void vlan_gvrp_uninit_applicant(struct net_device *dev);
-extern int vlan_gvrp_init(void);
-extern void vlan_gvrp_uninit(void);
+int vlan_gvrp_request_join(const struct net_device *dev);
+void vlan_gvrp_request_leave(const struct net_device *dev);
+int vlan_gvrp_init_applicant(struct net_device *dev);
+void vlan_gvrp_uninit_applicant(struct net_device *dev);
+int vlan_gvrp_init(void);
+void vlan_gvrp_uninit(void);
#else
static inline int vlan_gvrp_request_join(const struct net_device *dev) { return 0; }
static inline void vlan_gvrp_request_leave(const struct net_device *dev) {}
@@ -212,12 +135,12 @@ static inline void vlan_gvrp_uninit(void) {}
#endif
#ifdef CONFIG_VLAN_8021Q_MVRP
-extern int vlan_mvrp_request_join(const struct net_device *dev);
-extern void vlan_mvrp_request_leave(const struct net_device *dev);
-extern int vlan_mvrp_init_applicant(struct net_device *dev);
-extern void vlan_mvrp_uninit_applicant(struct net_device *dev);
-extern int vlan_mvrp_init(void);
-extern void vlan_mvrp_uninit(void);
+int vlan_mvrp_request_join(const struct net_device *dev);
+void vlan_mvrp_request_leave(const struct net_device *dev);
+int vlan_mvrp_init_applicant(struct net_device *dev);
+void vlan_mvrp_uninit_applicant(struct net_device *dev);
+int vlan_mvrp_init(void);
+void vlan_mvrp_uninit(void);
#else
static inline int vlan_mvrp_request_join(const struct net_device *dev) { return 0; }
static inline void vlan_mvrp_request_leave(const struct net_device *dev) {}
@@ -229,8 +152,8 @@ static inline void vlan_mvrp_uninit(void) {}
extern const char vlan_fullname[];
extern const char vlan_version[];
-extern int vlan_netlink_init(void);
-extern void vlan_netlink_fini(void);
+int vlan_netlink_init(void);
+void vlan_netlink_fini(void);
extern struct rtnl_link_ops vlan_link_ops;
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 09bf1c38805b..47c908f1f626 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -68,25 +68,6 @@ static int vlan_dev_rebuild_header(struct sk_buff *skb)
return 0;
}
-static inline u16
-vlan_dev_get_egress_qos_mask(struct net_device *dev, struct sk_buff *skb)
-{
- struct vlan_priority_tci_mapping *mp;
-
- smp_rmb(); /* coupled with smp_wmb() in vlan_dev_set_egress_priority() */
-
- mp = vlan_dev_priv(dev)->egress_priority_map[(skb->priority & 0xF)];
- while (mp) {
- if (mp->priority == skb->priority) {
- return mp->vlan_qos; /* This should already be shifted
- * to mask correctly with the
- * VLAN's TCI */
- }
- mp = mp->next;
- }
- return 0;
-}
-
/*
* Create the VLAN header for an arbitrary protocol layer
*
@@ -111,7 +92,7 @@ static int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev,
vhdr = (struct vlan_hdr *) skb_push(skb, VLAN_HLEN);
vlan_tci = vlan->vlan_id;
- vlan_tci |= vlan_dev_get_egress_qos_mask(dev, skb);
+ vlan_tci |= vlan_dev_get_egress_qos_mask(dev, skb->priority);
vhdr->h_vlan_TCI = htons(vlan_tci);
/*
@@ -168,7 +149,7 @@ static netdev_tx_t vlan_dev_hard_start_xmit(struct sk_buff *skb,
vlan->flags & VLAN_FLAG_REORDER_HDR) {
u16 vlan_tci;
vlan_tci = vlan->vlan_id;
- vlan_tci |= vlan_dev_get_egress_qos_mask(dev, skb);
+ vlan_tci |= vlan_dev_get_egress_qos_mask(dev, skb->priority);
skb = __vlan_hwaccel_put_tag(skb, vlan->vlan_proto, vlan_tci);
}
@@ -549,6 +530,23 @@ static const struct header_ops vlan_header_ops = {
.parse = eth_header_parse,
};
+static int vlan_passthru_hard_header(struct sk_buff *skb, struct net_device *dev,
+ unsigned short type,
+ const void *daddr, const void *saddr,
+ unsigned int len)
+{
+ struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
+ struct net_device *real_dev = vlan->real_dev;
+
+ return dev_hard_header(skb, real_dev, type, daddr, saddr, len);
+}
+
+static const struct header_ops vlan_passthru_header_ops = {
+ .create = vlan_passthru_hard_header,
+ .rebuild = dev_rebuild_header,
+ .parse = eth_header_parse,
+};
+
static struct device_type vlan_type = {
.name = "vlan",
};
@@ -558,7 +556,7 @@ static const struct net_device_ops vlan_netdev_ops;
static int vlan_dev_init(struct net_device *dev)
{
struct net_device *real_dev = vlan_dev_priv(dev)->real_dev;
- int subclass = 0;
+ int subclass = 0, i;
netif_carrier_off(dev);
@@ -592,7 +590,7 @@ static int vlan_dev_init(struct net_device *dev)
dev->needed_headroom = real_dev->needed_headroom;
if (real_dev->features & NETIF_F_HW_VLAN_CTAG_TX) {
- dev->header_ops = real_dev->header_ops;
+ dev->header_ops = &vlan_passthru_header_ops;
dev->hard_header_len = real_dev->hard_header_len;
} else {
dev->header_ops = &vlan_header_ops;
@@ -612,6 +610,13 @@ static int vlan_dev_init(struct net_device *dev)
if (!vlan_dev_priv(dev)->vlan_pcpu_stats)
return -ENOMEM;
+ for_each_possible_cpu(i) {
+ struct vlan_pcpu_stats *vlan_stat;
+ vlan_stat = per_cpu_ptr(vlan_dev_priv(dev)->vlan_pcpu_stats, i);
+ u64_stats_init(&vlan_stat->syncp);
+ }
+
+
return 0;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 10:42:57 +0100