;
}
result = best;
- for(i = 0; i < (1 << 16) / UDP_HTABLE_SIZE; i++, result += UDP_HTABLE_SIZE) {
+ for (i = 0; i < (1 << 16) / UDP_HTABLE_SIZE;
+ i++, result += UDP_HTABLE_SIZE) {
if (result > sysctl_local_port_range[1])
result = sysctl_local_port_range[0]
+ ((result - sysctl_local_port_range[0]) &
return error;
}
-__inline__ int udp_get_port(struct sock *sk, unsigned short snum,
+int udp_get_port(struct sock *sk, unsigned short snum,
int (*scmp)(const struct sock *, const struct sock *))
{
return __udp_lib_get_port(sk, snum, udp_hash, &udp_port_rover, scmp);
}
-inline int ipv4_rcv_saddr_equal(const struct sock *sk1, const struct sock *sk2)
+int ipv4_rcv_saddr_equal(const struct sock *sk1, const struct sock *sk2)
{
struct inet_sock *inet1 = inet_sk(sk1), *inet2 = inet_sk(sk2);
continue;
score+=2;
}
- if(score == 9) {
+ if (score == 9) {
result = sk;
break;
- } else if(score > badness) {
+ } else if (score > badness) {
result = sk;
badness = score;
}
sock_put(sk);
}
-__inline__ void udp_err(struct sk_buff *skb, u32 info)
+void udp_err(struct sk_buff *skb, u32 info)
{
return __udp4_lib_err(skb, info, udp_hash);
}
* fragments on the socket so that all csums of sk_buffs
* should be together
*/
- offset = skb->h.raw - skb->data;
+ offset = skb_transport_offset(skb);
skb->csum = skb_checksum(skb, offset, skb->len - offset, 0);
skb->ip_summed = CHECKSUM_NONE;
int udp_ioctl(struct sock *sk, int cmd, unsigned long arg)
{
- switch(cmd)
+ switch (cmd) {
+ case SIOCOUTQ:
{
- case SIOCOUTQ:
- {
- int amount = atomic_read(&sk->sk_wmem_alloc);
- return put_user(amount, (int __user *)arg);
- }
+ int amount = atomic_read(&sk->sk_wmem_alloc);
+ return put_user(amount, (int __user *)arg);
+ }
- case SIOCINQ:
- {
- struct sk_buff *skb;
- unsigned long amount;
-
- amount = 0;
- spin_lock_bh(&sk->sk_receive_queue.lock);
- skb = skb_peek(&sk->sk_receive_queue);
- if (skb != NULL) {
- /*
- * We will only return the amount
- * of this packet since that is all
- * that will be read.
- */
- amount = skb->len - sizeof(struct udphdr);
- }
- spin_unlock_bh(&sk->sk_receive_queue.lock);
- return put_user(amount, (int __user *)arg);
+ case SIOCINQ:
+ {
+ struct sk_buff *skb;
+ unsigned long amount;
+
+ amount = 0;
+ spin_lock_bh(&sk->sk_receive_queue.lock);
+ skb = skb_peek(&sk->sk_receive_queue);
+ if (skb != NULL) {
+ /*
+ * We will only return the amount
+ * of this packet since that is all
+ * that will be read.
+ */
+ amount = skb->len - sizeof(struct udphdr);
}
+ spin_unlock_bh(&sk->sk_receive_queue.lock);
+ return put_user(amount, (int __user *)arg);
+ }
- default:
- return -ENOIOCTLCMD;
+ default:
+ return -ENOIOCTLCMD;
}
- return(0);
+
+ return 0;
}
/*
{
sin->sin_family = AF_INET;
sin->sin_port = skb->h.uh->source;
- sin->sin_addr.s_addr = skb->nh.iph->saddr;
+ sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
}
if (inet->cmsg_flags)
/* Check if this is a keepalive packet. If so, eat it. */
if (len == 1 && udpdata[0] == 0xff) {
return 0;
- } else if (len > sizeof(struct ip_esp_hdr) && udpdata32[0] != 0 ) {
+ } else if (len > sizeof(struct ip_esp_hdr) && udpdata32[0] != 0) {
/* ESP Packet without Non-ESP header */
len = sizeof(struct udphdr);
} else
return 0;
/* Now we can update and verify the packet length... */
- iph = skb->nh.iph;
+ iph = ip_hdr(skb);
iphlen = iph->ihl << 2;
iph->tot_len = htons(ntohs(iph->tot_len) - len);
if (skb->len < iphlen + len) {
* transport header to point to ESP. Keep UDP on the stack
* for later.
*/
- skb->h.raw = skb_pull(skb, len);
+ __skb_pull(skb, len);
+ skb_reset_transport_header(skb);
/* modify the protocol (it's ESP!) */
iph->protocol = IPPROTO_ESP;
sknext = udp_v4_mcast_next(sk_next(sk), uh->dest, daddr,
uh->source, saddr, dif);
- if(sknext)
+ if (sknext)
skb1 = skb_clone(skb, GFP_ATOMIC);
- if(skb1) {
+ if (skb1) {
int ret = udp_queue_rcv_skb(sk, skb1);
if (ret > 0)
/* we should probably re-process instead
kfree_skb(skb1);
}
sk = sknext;
- } while(sknext);
+ } while (sknext);
} else
kfree_skb(skb);
read_unlock(&udp_hash_lock);
static inline int udp4_csum_init(struct sk_buff *skb, struct udphdr *uh,
int proto)
{
+ const struct iphdr *iph;
int err;
UDP_SKB_CB(skb)->partial_cov = 0;
return err;
}
+ iph = ip_hdr(skb);
if (uh->check == 0) {
skb->ip_summed = CHECKSUM_UNNECESSARY;
} else if (skb->ip_summed == CHECKSUM_COMPLETE) {
- if (!csum_tcpudp_magic(skb->nh.iph->saddr, skb->nh.iph->daddr,
- skb->len, proto, skb->csum))
+ if (!csum_tcpudp_magic(iph->saddr, iph->daddr, skb->len,
+ proto, skb->csum))
skb->ip_summed = CHECKSUM_UNNECESSARY;
}
if (skb->ip_summed != CHECKSUM_UNNECESSARY)
- skb->csum = csum_tcpudp_nofold(skb->nh.iph->saddr,
- skb->nh.iph->daddr,
+ skb->csum = csum_tcpudp_nofold(iph->saddr, iph->daddr,
skb->len, proto, 0);
/* Probably, we should checksum udp header (it should be in cache
* in any case) and data in tiny packets (< rx copybreak).
struct udphdr *uh = skb->h.uh;
unsigned short ulen;
struct rtable *rt = (struct rtable*)skb->dst;
- __be32 saddr = skb->nh.iph->saddr;
- __be32 daddr = skb->nh.iph->daddr;
+ __be32 saddr = ip_hdr(skb)->saddr;
+ __be32 daddr = ip_hdr(skb)->daddr;
/*
* Validate the packet.
if (udp4_csum_init(skb, uh, proto))
goto csum_error;
- if(rt->rt_flags & (RTCF_BROADCAST|RTCF_MULTICAST))
+ if (rt->rt_flags & (RTCF_BROADCAST|RTCF_MULTICAST))
return __udp4_lib_mcast_deliver(skb, uh, saddr, daddr, udptable);
sk = __udp4_lib_lookup(saddr, uh->source, daddr, uh->dest,
* don't wanna listen. Ignore it.
*/
kfree_skb(skb);
- return(0);
+ return 0;
short_packet:
LIMIT_NETDEBUG(KERN_DEBUG "UDP%s: short packet: From %u.%u.%u.%u:%u %d/%d to %u.%u.%u.%u:%u\n",
drop:
UDP_INC_STATS_BH(UDP_MIB_INERRORS, proto == IPPROTO_UDPLITE);
kfree_skb(skb);
- return(0);
+ return 0;
}
-__inline__ int udp_rcv(struct sk_buff *skb)
+int udp_rcv(struct sk_buff *skb)
{
return __udp4_lib_rcv(skb, udp_hash, IPPROTO_UDP);
}
int val;
int err = 0;
- if(optlen<sizeof(int))
+ if (optlen<sizeof(int))
return -EINVAL;
if (get_user(val, (int __user *)optval))
return -EFAULT;
- switch(optname) {
+ switch (optname) {
case UDP_CORK:
if (val != 0) {
up->corkflag = 1;
default:
err = -ENOPROTOOPT;
break;
- };
+ }
return err;
}
struct udp_sock *up = udp_sk(sk);
int val, len;
- if(get_user(len,optlen))
+ if (get_user(len,optlen))
return -EFAULT;
len = min_t(unsigned int, len, sizeof(int));
- if(len < 0)
+ if (len < 0)
return -EINVAL;
- switch(optname) {
+ switch (optname) {
case UDP_CORK:
val = up->corkflag;
break;
default:
return -ENOPROTOOPT;
- };
+ }
- if(put_user(len, optlen))
+ if (put_user(len, optlen))
return -EFAULT;
- if(copy_to_user(optval, &val,len))
+ if (copy_to_user(optval, &val,len))
return -EFAULT;
return 0;
}
struct sock *sk = udp_get_first(seq);
if (sk)
- while(pos && (sk = udp_get_next(seq, sk)) != NULL)
+ while (pos && (sk = udp_get_next(seq, sk)) != NULL)
--pos;
return pos ? NULL : sk;
}
projects / ~andy / linux / blobdiff