diff options
Diffstat (limited to 'net/ipv4/ip_fragment.c')
| -rw-r--r-- | net/ipv4/ip_fragment.c | 47 |
1 files changed, 23 insertions, 24 deletions
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index b6f0553..0231bdc 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -92,7 +92,7 @@ struct ipq { spinlock_t lock; atomic_t refcnt; struct timer_list timer; /* when will this queue expire? */ - struct timeval stamp; + ktime_t stamp; int iif; unsigned int rid; struct inet_peer *peer; @@ -184,7 +184,7 @@ static __inline__ struct ipq *frag_alloc_queue(void) { struct ipq *qp = kmalloc(sizeof(struct ipq), GFP_ATOMIC); - if(!qp) + if (!qp) return NULL; atomic_add(sizeof(struct ipq), &ip_frag_mem); return qp; @@ -321,11 +321,11 @@ static struct ipq *ip_frag_intern(struct ipq *qp_in) * promoted read lock to write lock. */ hlist_for_each_entry(qp, n, &ipq_hash[hash], list) { - if(qp->id == qp_in->id && - qp->saddr == qp_in->saddr && - qp->daddr == qp_in->daddr && - qp->protocol == qp_in->protocol && - qp->user == qp_in->user) { + if (qp->id == qp_in->id && + qp->saddr == qp_in->saddr && + qp->daddr == qp_in->daddr && + qp->protocol == qp_in->protocol && + qp->user == qp_in->user) { atomic_inc(&qp->refcnt); write_unlock(&ipfrag_lock); qp_in->last_in |= COMPLETE; @@ -398,11 +398,11 @@ static inline struct ipq *ip_find(struct iphdr *iph, u32 user) read_lock(&ipfrag_lock); hash = ipqhashfn(id, saddr, daddr, protocol); hlist_for_each_entry(qp, n, &ipq_hash[hash], list) { - if(qp->id == id && - qp->saddr == saddr && - qp->daddr == daddr && - qp->protocol == protocol && - qp->user == user) { + if (qp->id == id && + qp->saddr == saddr && + qp->daddr == daddr && + qp->protocol == protocol && + qp->user == user) { atomic_inc(&qp->refcnt); read_unlock(&ipfrag_lock); return qp; @@ -479,11 +479,11 @@ static void ip_frag_queue(struct ipq *qp, struct sk_buff *skb) goto err; } - offset = ntohs(skb->nh.iph->frag_off); + offset = ntohs(ip_hdr(skb)->frag_off); flags = offset & ~IP_OFFSET; offset &= IP_OFFSET; offset <<= 3; /* offset is in 8-byte chunks */ - ihl = skb->nh.iph->ihl * 4; + ihl = ip_hdrlen(skb); /* Determine the position of this fragment. */ end = offset + skb->len - ihl; @@ -524,7 +524,7 @@ static void ip_frag_queue(struct ipq *qp, struct sk_buff *skb) * this fragment, right? */ prev = NULL; - for(next = qp->fragments; next != NULL; next = next->next) { + for (next = qp->fragments; next != NULL; next = next->next) { if (FRAG_CB(next)->offset >= offset) break; /* bingo! */ prev = next; @@ -592,7 +592,7 @@ static void ip_frag_queue(struct ipq *qp, struct sk_buff *skb) if (skb->dev) qp->iif = skb->dev->ifindex; skb->dev = NULL; - skb_get_timestamp(skb, &qp->stamp); + qp->stamp = skb->tstamp; qp->meat += skb->len; atomic_add(skb->truesize, &ip_frag_mem); if (offset == 0) @@ -624,10 +624,10 @@ static struct sk_buff *ip_frag_reasm(struct ipq *qp, struct net_device *dev) BUG_TRAP(FRAG_CB(head)->offset == 0); /* Allocate a new buffer for the datagram. */ - ihlen = head->nh.iph->ihl*4; + ihlen = ip_hdrlen(head); len = ihlen + qp->len; - if(len > 65535) + if (len > 65535) goto out_oversize; /* Head of list must not be cloned. */ @@ -658,7 +658,7 @@ static struct sk_buff *ip_frag_reasm(struct ipq *qp, struct net_device *dev) } skb_shinfo(head)->frag_list = head->next; - skb_push(head, head->data - head->nh.raw); + skb_push(head, head->data - skb_network_header(head)); atomic_sub(head->truesize, &ip_frag_mem); for (fp=head->next; fp; fp = fp->next) { @@ -674,9 +674,9 @@ static struct sk_buff *ip_frag_reasm(struct ipq *qp, struct net_device *dev) head->next = NULL; head->dev = dev; - skb_set_timestamp(head, &qp->stamp); + head->tstamp = qp->stamp; - iph = head->nh.iph; + iph = ip_hdr(head); iph->frag_off = 0; iph->tot_len = htons(len); IP_INC_STATS_BH(IPSTATS_MIB_REASMOKS); @@ -700,7 +700,6 @@ out_fail: /* Process an incoming IP datagram fragment. */ struct sk_buff *ip_defrag(struct sk_buff *skb, u32 user) { - struct iphdr *iph = skb->nh.iph; struct ipq *qp; struct net_device *dev; @@ -713,7 +712,7 @@ struct sk_buff *ip_defrag(struct sk_buff *skb, u32 user) dev = skb->dev; /* Lookup (or create) queue header */ - if ((qp = ip_find(iph, user)) != NULL) { + if ((qp = ip_find(ip_hdr(skb), user)) != NULL) { struct sk_buff *ret = NULL; spin_lock(&qp->lock); @@ -734,7 +733,7 @@ struct sk_buff *ip_defrag(struct sk_buff *skb, u32 user) return NULL; } -void ipfrag_init(void) +void __init ipfrag_init(void) { ipfrag_hash_rnd = (u32) ((num_physpages ^ (num_physpages>>7)) ^ (jiffies ^ (jiffies >> 6))); |
