#include <linux/mm.h>
#include <linux/string.h>
#include <linux/errno.h>
+#include <linux/highmem.h>
#include <linux/socket.h>
#include <linux/sockios.h>
#include <linux/netlink.h>
#include <linux/tcp.h>
-int sysctl_ip_default_ttl = IPDEFTTL;
+int sysctl_ip_default_ttl __read_mostly = IPDEFTTL;
/* Generate a checksum for an outgoing IP datagram. */
__inline__ void ip_send_check(struct iphdr *iph)
*
*/
int ip_build_and_send_pkt(struct sk_buff *skb, struct sock *sk,
- u32 saddr, u32 daddr, struct ip_options *opt)
+ __be32 saddr, __be32 daddr, struct ip_options *opt)
{
struct inet_sock *inet = inet_sk(sk);
struct rtable *rt = (struct rtable *)skb->dst;
!(IPCB(skb)->flags & IPSKB_REROUTED));
}
-int ip_queue_xmit(struct sk_buff *skb, int ipfragok)
+int ip_queue_xmit(struct sk_buff *skb, struct sock *sk, int ipfragok)
{
- struct sock *sk = skb->sk;
struct inet_sock *inet = inet_sk(sk);
struct ip_options *opt = inet->opt;
struct rtable *rt;
/* Make sure we can route this packet. */
rt = (struct rtable *)__sk_dst_check(sk, 0);
if (rt == NULL) {
- u32 daddr;
+ __be32 daddr;
/* Use correct destination address if we have options. */
daddr = inet->daddr;
* keep trying until route appears or the connection times
* itself out.
*/
+ security_sk_classify_flow(sk, &fl);
if (ip_route_output_flow(&rt, &fl, sk, 0))
goto no_route;
}
/* OK, we know where to send it, allocate and build IP header. */
iph = (struct iphdr *) skb_push(skb, sizeof(struct iphdr) + (opt ? opt->optlen : 0));
- *((__u16 *)iph) = htons((4 << 12) | (5 << 8) | (inet->tos & 0xff));
+ *((__be16 *)iph) = htons((4 << 12) | (5 << 8) | (inet->tos & 0xff));
iph->tot_len = htons(skb->len);
if (ip_dont_fragment(sk, &rt->u.dst) && !ipfragok)
iph->frag_off = htons(IP_DF);
dst_release(to->dst);
to->dst = dst_clone(from->dst);
to->dev = from->dev;
+ to->mark = from->mark;
/* Copy the flags to each fragment. */
IPCB(to)->flags = IPCB(from)->flags;
to->tc_index = from->tc_index;
#endif
#ifdef CONFIG_NETFILTER
- to->nfmark = from->nfmark;
/* Connection association is same as pre-frag packet */
nf_conntrack_put(to->nfct);
to->nfct = from->nfct;
int ptr;
struct net_device *dev;
struct sk_buff *skb2;
- unsigned int mtu, hlen, left, len, ll_rs;
+ unsigned int mtu, hlen, left, len, ll_rs, pad;
int offset;
__be16 not_last_frag;
struct rtable *rt = (struct rtable*)skb->dst;
left = skb->len - hlen; /* Space per frame */
ptr = raw + hlen; /* Where to start from */
-#ifdef CONFIG_BRIDGE_NETFILTER
/* for bridged IP traffic encapsulated inside f.e. a vlan header,
- * we need to make room for the encapsulating header */
- ll_rs = LL_RESERVED_SPACE_EXTRA(rt->u.dst.dev, nf_bridge_pad(skb));
- mtu -= nf_bridge_pad(skb);
-#else
- ll_rs = LL_RESERVED_SPACE(rt->u.dst.dev);
-#endif
+ * we need to make room for the encapsulating header
+ */
+ pad = nf_bridge_pad(skb);
+ ll_rs = LL_RESERVED_SPACE_EXTRA(rt->u.dst.dev, pad);
+ mtu -= pad;
+
/*
* Fragment the datagram.
*/
{
struct iovec *iov = from;
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
if (memcpy_fromiovecend(to, iov, offset, len) < 0)
return -EFAULT;
} else {
- unsigned int csum = 0;
+ __wsum csum = 0;
if (csum_partial_copy_fromiovecend(to, iov, offset, len, &csum) < 0)
return -EFAULT;
skb->csum = csum_block_add(skb->csum, csum, odd);
return 0;
}
-static inline unsigned int
+static inline __wsum
csum_page(struct page *page, int offset, int copy)
{
char *kaddr;
- unsigned int csum;
+ __wsum csum;
kaddr = kmap(page);
csum = csum_partial(kaddr + offset, copy, 0);
kunmap(page);
/* initialize protocol header pointer */
skb->h.raw = skb->data + fragheaderlen;
- skb->ip_summed = CHECKSUM_HW;
+ skb->ip_summed = CHECKSUM_PARTIAL;
skb->csum = 0;
sk->sk_sndmsg_off = 0;
}
length + fragheaderlen <= mtu &&
rt->u.dst.dev->features & NETIF_F_ALL_CSUM &&
!exthdrlen)
- csummode = CHECKSUM_HW;
+ csummode = CHECKSUM_PARTIAL;
inet->cork.length += length;
if (((length > mtu) && (sk->sk_protocol == IPPROTO_UDP)) &&
}
if (skb->ip_summed == CHECKSUM_NONE) {
- unsigned int csum;
+ __wsum csum;
csum = csum_page(page, offset, len);
skb->csum = csum_block_add(skb->csum, csum, skb->len);
}
static int ip_reply_glue_bits(void *dptr, char *to, int offset,
int len, int odd, struct sk_buff *skb)
{
- unsigned int csum;
+ __wsum csum;
csum = csum_partial_copy_nocheck(dptr+offset, to, len, 0);
skb->csum = csum_block_add(skb->csum, csum, odd);
char data[40];
} replyopts;
struct ipcm_cookie ipc;
- u32 daddr;
+ __be32 daddr;
struct rtable *rt = (struct rtable*)skb->dst;
if (ip_options_echo(&replyopts.opt, skb))
{ .sport = skb->h.th->dest,
.dport = skb->h.th->source } },
.proto = sk->sk_protocol };
+ security_skb_classify_flow(skb, &fl);
if (ip_route_output_key(&rt, &fl))
return;
}
&ipc, rt, MSG_DONTWAIT);
if ((skb = skb_peek(&sk->sk_write_queue)) != NULL) {
if (arg->csumoffset >= 0)
- *((u16 *)skb->h.raw + arg->csumoffset) = csum_fold(csum_add(skb->csum, arg->csum));
+ *((__sum16 *)skb->h.raw + arg->csumoffset) = csum_fold(csum_add(skb->csum, arg->csum));
skb->ip_summed = CHECKSUM_NONE;
ip_push_pending_frames(sk);
}