diff options
-rw-r--r-- | net/8021q/vlan.c | 20 | ||||
-rw-r--r-- | net/8021q/vlan.h | 2 | ||||
-rw-r--r-- | net/8021q/vlan_dev.c | 98 | ||||
-rw-r--r-- | net/8021q/vlanproc.c | 42 | ||||
-rw-r--r-- | net/8021q/vlanproc.h | 11 |
5 files changed, 89 insertions, 84 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index d058c0ef3b6..8b93799c6a0 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -43,7 +43,6 @@ /* Our listing of VLAN group(s) */ static struct hlist_head vlan_group_hash[VLAN_GRP_HASH_SIZE]; -#define vlan_grp_hashfn(IDX) ((((IDX) >> VLAN_GRP_HASH_SHIFT) ^ (IDX)) & VLAN_GRP_HASH_MASK) static char vlan_fullname[] = "802.1Q VLAN Support"; static char vlan_version[] = DRV_VERSION; @@ -60,6 +59,11 @@ static struct packet_type vlan_packet_type = { /* End of global variables definitions. */ +static inline unsigned int vlan_grp_hashfn(unsigned int idx) +{ + return ((idx >> VLAN_GRP_HASH_SHIFT) ^ idx) & VLAN_GRP_HASH_MASK; +} + /* Must be invoked with RCU read lock (no preempt) */ static struct vlan_group *__vlan_find_group(int real_dev_ifindex) { @@ -94,7 +98,7 @@ static void vlan_group_free(struct vlan_group *grp) { int i; - for (i=0; i < VLAN_GROUP_ARRAY_SPLIT_PARTS; i++) + for (i = 0; i < VLAN_GROUP_ARRAY_SPLIT_PARTS; i++) kfree(grp->vlan_devices_arrays[i]); kfree(grp); } @@ -174,7 +178,8 @@ void unregister_vlan_dev(struct net_device *dev) unregister_netdevice(dev); } -static void vlan_transfer_operstate(const struct net_device *dev, struct net_device *vlandev) +static void vlan_transfer_operstate(const struct net_device *dev, + struct net_device *vlandev) { /* Have to respect userspace enforced dormant state * of real device, also must allow supplicant running @@ -369,7 +374,8 @@ static void vlan_sync_address(struct net_device *dev, memcpy(vlan->real_dev_addr, dev->dev_addr, ETH_ALEN); } -static int vlan_device_event(struct notifier_block *unused, unsigned long event, void *ptr) +static int vlan_device_event(struct notifier_block *unused, unsigned long event, + void *ptr) { struct net_device *dev = ptr; struct vlan_group *grp = __vlan_find_group(dev->ifindex); @@ -569,9 +575,8 @@ static int vlan_ioctl_handler(struct net *net, void __user *arg) err = 0; vlan_dev_get_realdev_name(dev, args.u.device2); if (copy_to_user(arg, &args, - sizeof(struct vlan_ioctl_args))) { + sizeof(struct vlan_ioctl_args))) err = -EFAULT; - } break; case GET_VLAN_VID_CMD: @@ -579,9 +584,8 @@ static int vlan_ioctl_handler(struct net *net, void __user *arg) vlan_dev_get_vid(dev, &vid); args.u.VID = vid; if (copy_to_user(arg, &args, - sizeof(struct vlan_ioctl_args))) { + sizeof(struct vlan_ioctl_args))) err = -EFAULT; - } break; default: diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h index 0cfdf77b497..73efcc715cc 100644 --- a/net/8021q/vlan.h +++ b/net/8021q/vlan.h @@ -20,7 +20,7 @@ extern unsigned short vlan_name_type; * Must be invoked with rcu_read_lock (ie preempt disabled) * or with RTNL. */ -struct net_device *__find_vlan_dev(struct net_device* real_dev, +struct net_device *__find_vlan_dev(struct net_device *real_dev, unsigned short VID); /* vlan.c */ /* found in vlan_dev.c */ diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index a846559da85..2ff7659b5e5 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -106,13 +106,13 @@ static inline struct sk_buff *vlan_check_reorder_header(struct sk_buff *skb) * SANITY NOTE 2: We are referencing to the VLAN_HDR frields, which MAY be * stored UNALIGNED in the memory. RISC systems don't like * such cases very much... - * SANITY NOTE 2a: According to Dave Miller & Alexey, it will always be aligned, - * so there doesn't need to be any of the unaligned stuff. It has - * been commented out now... --Ben + * SANITY NOTE 2a: According to Dave Miller & Alexey, it will always be + * aligned, so there doesn't need to be any of the unaligned + * stuff. It has been commented out now... --Ben * */ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev, - struct packet_type* ptype, struct net_device *orig_dev) + struct packet_type *ptype, struct net_device *orig_dev) { unsigned char *rawp = NULL; struct vlan_hdr *vhdr; @@ -126,7 +126,8 @@ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev, return -1; } - if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL) + skb = skb_share_check(skb, GFP_ATOMIC); + if (skb == NULL) return -1; if (unlikely(!pskb_may_pull(skb, VLAN_HLEN))) { @@ -156,8 +157,8 @@ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev, skb->dev = __find_vlan_dev(dev, vid); if (!skb->dev) { rcu_read_unlock(); - pr_debug("%s: ERROR: No net_device for VID: %u on dev: %s [%i]\n", - __FUNCTION__, (unsigned int)vid, dev->name, dev->ifindex); + pr_debug("%s: ERROR: No net_device for VID: %u on dev: %s\n", + __FUNCTION__, (unsigned int)vid, dev->name); kfree_skb(skb); return -1; } @@ -175,7 +176,8 @@ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev, /* * Deal with ingress priority mapping. */ - skb->priority = vlan_get_ingress_priority(skb->dev, ntohs(vhdr->h_vlan_TCI)); + skb->priority = vlan_get_ingress_priority(skb->dev, + ntohs(vhdr->h_vlan_TCI)); pr_debug("%s: priority: %u for TCI: %hu\n", __FUNCTION__, skb->priority, ntohs(vhdr->h_vlan_TCI)); @@ -185,7 +187,7 @@ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev, */ switch (skb->pkt_type) { case PACKET_BROADCAST: /* Yeah, stats collect these together.. */ - // stats->broadcast ++; // no such counter :-( + /* stats->broadcast ++; // no such counter :-( */ break; case PACKET_MULTICAST: @@ -194,13 +196,13 @@ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev, 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. + * This allows the VLAN to have a different MAC than the + * underlying device, and still route correctly. */ - if (!compare_ether_addr(eth_hdr(skb)->h_dest, skb->dev->dev_addr)) { + if (!compare_ether_addr(eth_hdr(skb)->h_dest, + skb->dev->dev_addr)) /* It is for our (changed) MAC-address! */ skb->pkt_type = PACKET_HOST; - } break; default: break; @@ -244,8 +246,8 @@ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev, */ if (*(unsigned short *)rawp == 0xFFFF) { skb->protocol = htons(ETH_P_802_3); - /* place it back on the queue to be handled by true layer 3 protocols. - */ + /* place it back on the queue to be handled by true layer 3 + * protocols. */ /* See if we are configured to re-write the VLAN header * to make it look like ethernet... @@ -286,17 +288,17 @@ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev, return 0; } -static inline unsigned short vlan_dev_get_egress_qos_mask(struct net_device* dev, - struct sk_buff* skb) +static inline unsigned short +vlan_dev_get_egress_qos_mask(struct net_device *dev, struct sk_buff *skb) { - struct vlan_priority_tci_mapping *mp = - vlan_dev_info(dev)->egress_priority_map[(skb->priority & 0xF)]; + struct vlan_priority_tci_mapping *mp; + mp = vlan_dev_info(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 - */ + return mp->vlan_qos; /* This should already be shifted + * to mask correctly with the + * VLAN's TCI */ } mp = mp->next; } @@ -321,10 +323,11 @@ static int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev, unsigned short veth_TCI = 0; int rc = 0; int build_vlan_header = 0; - struct net_device *vdev = dev; /* save this for the bottom of the method */ + struct net_device *vdev = dev; pr_debug("%s: skb: %p type: %hx len: %u vlan_id: %hx, daddr: %p\n", - __FUNCTION__, skb, type, len, vlan_dev_info(dev)->vlan_id, daddr); + __FUNCTION__, skb, type, len, vlan_dev_info(dev)->vlan_id, + daddr); /* build vlan header only if re_order_header flag is NOT set. This * fixes some programs that get confused when they see a VLAN device @@ -342,8 +345,8 @@ static int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev, /* build the four bytes that make this a VLAN header. */ - /* Now, construct the second two bytes. This field looks something - * like: + /* Now, construct the second two bytes. This field looks + * something like: * usr_priority: 3 bits (high bits) * CFI 1 bit * VLAN ID 12 bits (low bits) @@ -355,16 +358,15 @@ static int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev, vhdr->h_vlan_TCI = htons(veth_TCI); /* - * Set the protocol type. - * For a packet of type ETH_P_802_3 we put the length in here instead. - * It is up to the 802.2 layer to carry protocol information. + * Set the protocol type. For a packet of type ETH_P_802_3 we + * put the length in here instead. It is up to the 802.2 + * layer to carry protocol information. */ - if (type != ETH_P_802_3) { + if (type != ETH_P_802_3) vhdr->h_vlan_encapsulated_proto = htons(type); - } else { + else vhdr->h_vlan_encapsulated_proto = htons(len); - } skb->protocol = htons(ETH_P_8021Q); skb_reset_network_header(skb); @@ -376,14 +378,14 @@ static int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev, dev = vlan_dev_info(dev)->real_dev; - /* MPLS can send us skbuffs w/out enough space. This check will grow the - * skb if it doesn't have enough headroom. Not a beautiful solution, so - * I'll tick a counter so that users can know it's happening... If they - * care... + /* MPLS can send us skbuffs w/out enough space. This check will grow + * the skb if it doesn't have enough headroom. Not a beautiful solution, + * so I'll tick a counter so that users can know it's happening... + * If they care... */ - /* NOTE: This may still break if the underlying device is not the final - * device (and thus there are more headers to add...) It should work for + /* NOTE: This may still break if the underlying device is not the final + * device (and thus there are more headers to add...) It should work for * good-ole-ethernet though. */ if (skb_headroom(skb) < dev->hard_header_len) { @@ -396,7 +398,7 @@ static int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev, return -ENOMEM; } vlan_dev_info(vdev)->cnt_inc_headroom_on_tx++; - pr_debug("%s: %s: had to grow skb.\n", __FUNCTION__, vdev->name); + pr_debug("%s: %s: had to grow skb\n", __FUNCTION__, vdev->name); } if (build_vlan_header) { @@ -408,10 +410,10 @@ static int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev, else if (rc < 0) rc -= VLAN_HLEN; } else - /* If here, then we'll just make a normal looking ethernet frame, - * but, the hard_start_xmit method will insert the tag (it has to - * be able to do this for bridged and other skbs that don't come - * down the protocol stack in an orderly manner. + /* If here, then we'll just make a normal looking ethernet + * frame, but, the hard_start_xmit method will insert the tag + * (it has to be able to do this for bridged and other skbs + * that don't come down the protocol stack in an orderly manner. */ rc = dev_hard_header(skb, dev, type, daddr, saddr, len); @@ -454,9 +456,8 @@ static int vlan_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) return 0; } - if (orig_headroom < VLAN_HLEN) { + if (orig_headroom < VLAN_HLEN) vlan_dev_info(dev)->cnt_inc_headroom_on_tx++; - } } pr_debug("%s: about to send skb: %p to dev: %s\n", @@ -572,11 +573,10 @@ int vlan_dev_set_vlan_flag(const struct net_device *dev, { /* verify flag is supported */ if (flag == VLAN_FLAG_REORDER_HDR) { - if (flag_val) { + if (flag_val) vlan_dev_info(dev)->flags |= VLAN_FLAG_REORDER_HDR; - } else { + else vlan_dev_info(dev)->flags &= ~VLAN_FLAG_REORDER_HDR; - } return 0; } return -EINVAL; @@ -667,7 +667,7 @@ static int vlan_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) strncpy(ifrr.ifr_name, real_dev->name, IFNAMSIZ); ifrr.ifr_ifru = ifr->ifr_ifru; - switch(cmd) { + switch (cmd) { case SIOCGMIIPHY: case SIOCGMIIREG: case SIOCSMIIREG: diff --git a/net/8021q/vlanproc.c b/net/8021q/vlanproc.c index b5202443b1a..2a4e1aabb23 100644 --- a/net/8021q/vlanproc.c +++ b/net/8021q/vlanproc.c @@ -125,10 +125,10 @@ static struct proc_dir_entry *proc_vlan_conf; /* Strings */ static const char *vlan_name_type_str[VLAN_NAME_TYPE_HIGHEST] = { - [VLAN_NAME_TYPE_RAW_PLUS_VID] = "VLAN_NAME_TYPE_RAW_PLUS_VID", - [VLAN_NAME_TYPE_PLUS_VID_NO_PAD] = "VLAN_NAME_TYPE_PLUS_VID_NO_PAD", - [VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD]= "VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD", - [VLAN_NAME_TYPE_PLUS_VID] = "VLAN_NAME_TYPE_PLUS_VID", + [VLAN_NAME_TYPE_RAW_PLUS_VID] = "VLAN_NAME_TYPE_RAW_PLUS_VID", + [VLAN_NAME_TYPE_PLUS_VID_NO_PAD] = "VLAN_NAME_TYPE_PLUS_VID_NO_PAD", + [VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD] = "VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD", + [VLAN_NAME_TYPE_PLUS_VID] = "VLAN_NAME_TYPE_PLUS_VID", }; /* * Interface functions @@ -178,7 +178,7 @@ err: * Add directory entry for VLAN device. */ -int vlan_proc_add_dev (struct net_device *vlandev) +int vlan_proc_add_dev(struct net_device *vlandev) { struct vlan_dev_info *dev_info = vlan_dev_info(vlandev); @@ -200,7 +200,8 @@ int vlan_proc_rem_dev(struct net_device *vlandev) { /** NOTE: This will consume the memory pointed to by dent, it seems. */ if (vlan_dev_info(vlandev)->dent) { - remove_proc_entry(vlan_dev_info(vlandev)->dent->name, proc_vlan_dir); + remove_proc_entry(vlan_dev_info(vlandev)->dent->name, + proc_vlan_dir); vlan_dev_info(vlandev)->dent = NULL; } return 0; @@ -275,7 +276,7 @@ static int vlan_seq_show(struct seq_file *seq, void *v) nmtype = vlan_name_type_str[vlan_name_type]; seq_printf(seq, "Name-Type: %s\n", - nmtype ? nmtype : "UNKNOWN" ); + nmtype ? nmtype : "UNKNOWN"); } else { const struct net_device *vlandev = v; const struct vlan_dev_info *dev_info = vlan_dev_info(vlandev); @@ -297,9 +298,10 @@ static int vlandev_seq_show(struct seq_file *seq, void *offset) if (!(vlandev->priv_flags & IFF_802_1Q_VLAN)) return 0; - seq_printf(seq, "%s VID: %d REORDER_HDR: %i dev->priv_flags: %hx\n", - vlandev->name, dev_info->vlan_id, - (int)(dev_info->flags & 1), vlandev->priv_flags); + seq_printf(seq, + "%s VID: %d REORDER_HDR: %i dev->priv_flags: %hx\n", + vlandev->name, dev_info->vlan_id, + (int)(dev_info->flags & 1), vlandev->priv_flags); seq_printf(seq, fmt, "total frames received", stats->rx_packets); seq_printf(seq, fmt, "total bytes received", stats->rx_bytes); @@ -313,16 +315,16 @@ static int vlandev_seq_show(struct seq_file *seq, void *offset) dev_info->cnt_encap_on_xmit); seq_printf(seq, "Device: %s", dev_info->real_dev->name); /* now show all PRIORITY mappings relating to this VLAN */ - seq_printf(seq, - "\nINGRESS priority mappings: 0:%u 1:%u 2:%u 3:%u 4:%u 5:%u 6:%u 7:%u\n", - dev_info->ingress_priority_map[0], - dev_info->ingress_priority_map[1], - dev_info->ingress_priority_map[2], - dev_info->ingress_priority_map[3], - dev_info->ingress_priority_map[4], - dev_info->ingress_priority_map[5], - dev_info->ingress_priority_map[6], - dev_info->ingress_priority_map[7]); + seq_printf(seq, "\nINGRESS priority mappings: " + "0:%u 1:%u 2:%u 3:%u 4:%u 5:%u 6:%u 7:%u\n", + dev_info->ingress_priority_map[0], + dev_info->ingress_priority_map[1], + dev_info->ingress_priority_map[2], + dev_info->ingress_priority_map[3], + dev_info->ingress_priority_map[4], + dev_info->ingress_priority_map[5], + dev_info->ingress_priority_map[6], + dev_info->ingress_priority_map[7]); seq_printf(seq, "EGRESSS priority Mappings: "); for (i = 0; i < 16; i++) { diff --git a/net/8021q/vlanproc.h b/net/8021q/vlanproc.h index f908ee332fd..da542cacc5a 100644 --- a/net/8021q/vlanproc.h +++ b/net/8021q/vlanproc.h @@ -4,16 +4,15 @@ #ifdef CONFIG_PROC_FS int vlan_proc_init(void); int vlan_proc_rem_dev(struct net_device *vlandev); -int vlan_proc_add_dev (struct net_device *vlandev); -void vlan_proc_cleanup (void); +int vlan_proc_add_dev(struct net_device *vlandev); +void vlan_proc_cleanup(void); #else /* No CONFIG_PROC_FS */ #define vlan_proc_init() (0) -#define vlan_proc_cleanup() do {} while(0) -#define vlan_proc_add_dev(dev) ({(void)(dev), 0;}) -#define vlan_proc_rem_dev(dev) ({(void)(dev), 0;}) - +#define vlan_proc_cleanup() do {} while (0) +#define vlan_proc_add_dev(dev) ({(void)(dev), 0; }) +#define vlan_proc_rem_dev(dev) ({(void)(dev), 0; }) #endif #endif /* !(__BEN_VLAN_PROC_INC__) */ |