diff options
Diffstat (limited to 'net/8021q/vlan_dev.c')
-rw-r--r-- | net/8021q/vlan_dev.c | 98 |
1 files changed, 49 insertions, 49 deletions
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: |