Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

21 files changed, 557 insertions, 162 deletions

diff --git a/net/ax25/ax25_addr.c b/net/ax25/ax25_addr.c
index dca179daf41..0164a155b8c 100644
--- a/net/ax25/ax25_addr.c
+++ b/net/ax25/ax25_addr.c
@@ -67,37 +67,34 @@ char *ax2asc(char *buf, ax25_address *a)
 /*
  *	ascii -> ax25 conversion
  */
-ax25_address *asc2ax(char *callsign)
+void asc2ax(ax25_address *addr, char *callsign)
 {
-	static ax25_address addr;
 	char *s;
 	int n;
 
 	for (s = callsign, n = 0; n < 6; n++) {
 		if (*s != '\0' && *s != '-')
-			addr.ax25_call[n] = *s++;
+			addr->ax25_call[n] = *s++;
 		else
-			addr.ax25_call[n] = ' ';
-		addr.ax25_call[n] <<= 1;
-		addr.ax25_call[n] &= 0xFE;
+			addr->ax25_call[n] = ' ';
+		addr->ax25_call[n] <<= 1;
+		addr->ax25_call[n] &= 0xFE;
 	}
 
 	if (*s++ == '\0') {
-		addr.ax25_call[6] = 0x00;
-		return &addr;
+		addr->ax25_call[6] = 0x00;
+		return;
 	}
 
-	addr.ax25_call[6] = *s++ - '0';
+	addr->ax25_call[6] = *s++ - '0';
 
 	if (*s != '\0') {
-		addr.ax25_call[6] *= 10;
-		addr.ax25_call[6] += *s++ - '0';
+		addr->ax25_call[6] *= 10;
+		addr->ax25_call[6] += *s++ - '0';
 	}
 
-	addr.ax25_call[6] <<= 1;
-	addr.ax25_call[6] &= 0x1E;
-
-	return &addr;
+	addr->ax25_call[6] <<= 1;
+	addr->ax25_call[6] &= 0x1E;
 }
 
 /*
diff --git a/net/ipv4/netfilter/ip_conntrack_netbios_ns.c b/net/ipv4/netfilter/ip_conntrack_netbios_ns.c
index 2b5cf9c5130..bb7246683b7 100644
--- a/net/ipv4/netfilter/ip_conntrack_netbios_ns.c
+++ b/net/ipv4/netfilter/ip_conntrack_netbios_ns.c
@@ -104,12 +104,28 @@ out:
 static struct ip_conntrack_helper helper = {
 	.name			= "netbios-ns",
 	.tuple = {
-		.src.u.udp.port	= __constant_htons(137),
-		.dst.protonum	= IPPROTO_UDP,
+		.src = {
+			.u = {
+				.udp = {
+					.port	= __constant_htons(137),
+				}
+			}
+		},
+		.dst = {
+			.protonum	= IPPROTO_UDP,
+		},
 	},
 	.mask = {
-		.src.u.udp.port	= 0xFFFF,
-		.dst.protonum	= 0xFF,
+		.src = {
+			.u = {
+				.udp = {
+					.port	= 0xFFFF,
+				}
+			}
+		},
+		.dst = {
+			.protonum	= 0xFF,
+		},
 	},
 	.max_expected		= 1,
 	.me			= THIS_MODULE,
diff --git a/net/ipv4/netfilter/ipt_REJECT.c b/net/ipv4/netfilter/ipt_REJECT.c
index f115a84a4ac..f057025a719 100644
--- a/net/ipv4/netfilter/ipt_REJECT.c
+++ b/net/ipv4/netfilter/ipt_REJECT.c
@@ -92,10 +92,7 @@ static inline struct rtable *route_reverse(struct sk_buff *skb,
 	fl.fl_ip_sport = tcph->dest;
 	fl.fl_ip_dport = tcph->source;
 
-	if (xfrm_lookup((struct dst_entry **)&rt, &fl, NULL, 0)) {
-		dst_release(&rt->u.dst);
-		rt = NULL;
-	}
+	xfrm_lookup((struct dst_entry **)&rt, &fl, NULL, 0);
 
 	return rt;
 }
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 8c0b14e3bee..8549f26e249 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1760,6 +1760,7 @@ static inline int __mkroute_input(struct sk_buff *skb,
 		goto cleanup;
 	}
 
+	atomic_set(&rth->u.dst.__refcnt, 1);
 	rth->u.dst.flags= DST_HOST;
 #ifdef CONFIG_IP_ROUTE_MULTIPATH_CACHED
 	if (res->fi->fib_nhs > 1)
@@ -1820,7 +1821,6 @@ static inline int ip_mkroute_input_def(struct sk_buff *skb,
 	err = __mkroute_input(skb, res, in_dev, daddr, saddr, tos, &rth);
 	if (err)
 		return err;
-	atomic_set(&rth->u.dst.__refcnt, 1);
 
 	/* put it into the cache */
 	hash = rt_hash_code(daddr, saddr ^ (fl->iif << 5), tos);
@@ -1834,8 +1834,8 @@ static inline int ip_mkroute_input(struct sk_buff *skb,
 				   u32 daddr, u32 saddr, u32 tos)
 {
 #ifdef CONFIG_IP_ROUTE_MULTIPATH_CACHED
-	struct rtable* rth = NULL;
-	unsigned char hop, hopcount, lasthop;
+	struct rtable* rth = NULL, *rtres;
+	unsigned char hop, hopcount;
 	int err = -EINVAL;
 	unsigned int hash;
 
@@ -1844,8 +1844,6 @@ static inline int ip_mkroute_input(struct sk_buff *skb,
 	else
 		hopcount = 1;
 
-	lasthop = hopcount - 1;
-
 	/* distinguish between multipath and singlepath */
 	if (hopcount < 2)
 		return ip_mkroute_input_def(skb, res, fl, in_dev, daddr,
@@ -1855,6 +1853,10 @@ static inline int ip_mkroute_input(struct sk_buff *skb,
 	for (hop = 0; hop < hopcount; hop++) {
 		res->nh_sel = hop;
 
+		/* put reference to previous result */
+		if (hop)
+			ip_rt_put(rtres);
+
 		/* create a routing cache entry */
 		err = __mkroute_input(skb, res, in_dev, daddr, saddr, tos,
 				      &rth);
@@ -1863,7 +1865,7 @@ static inline int ip_mkroute_input(struct sk_buff *skb,
 
 		/* put it into the cache */
 		hash = rt_hash_code(daddr, saddr ^ (fl->iif << 5), tos);
-		err = rt_intern_hash(hash, rth, (struct rtable**)&skb->dst);
+		err = rt_intern_hash(hash, rth, &rtres);
 		if (err)
 			return err;
 
@@ -1873,13 +1875,8 @@ static inline int ip_mkroute_input(struct sk_buff *skb,
 				     FIB_RES_NETMASK(*res),
 				     res->prefixlen,
 				     &FIB_RES_NH(*res));
-
-		/* only for the last hop the reference count is handled
-		 * outside
-		 */
-		if (hop == lasthop)
-			atomic_set(&(skb->dst->__refcnt), 1);
 	}
+	skb->dst = &rtres->u.dst;
 	return err;
 #else /* CONFIG_IP_ROUTE_MULTIPATH_CACHED  */
 	return ip_mkroute_input_def(skb, res, fl, in_dev, daddr, saddr, tos);
@@ -2208,6 +2205,7 @@ static inline int __mkroute_output(struct rtable **result,
 		goto cleanup;
 	}		
 
+	atomic_set(&rth->u.dst.__refcnt, 1);
 	rth->u.dst.flags= DST_HOST;
 #ifdef CONFIG_IP_ROUTE_MULTIPATH_CACHED
 	if (res->fi) {
@@ -2290,8 +2288,6 @@ static inline int ip_mkroute_output_def(struct rtable **rp,
 	if (err == 0) {
 		u32 tos = RT_FL_TOS(oldflp);
 
-		atomic_set(&rth->u.dst.__refcnt, 1);
-		
 		hash = rt_hash_code(oldflp->fl4_dst, 
 				    oldflp->fl4_src ^ (oldflp->oif << 5), tos);
 		err = rt_intern_hash(hash, rth, rp);
@@ -2326,6 +2322,10 @@ static inline int ip_mkroute_output(struct rtable** rp,
 			dev2nexthop = FIB_RES_DEV(*res);
 			dev_hold(dev2nexthop);
 
+			/* put reference to previous result */
+			if (hop)
+				ip_rt_put(*rp);
+
 			err = __mkroute_output(&rth, res, fl, oldflp,
 					       dev2nexthop, flags);
 
@@ -2350,7 +2350,6 @@ static inline int ip_mkroute_output(struct rtable** rp,
 			if (err != 0)
 				return err;
 		}
-		atomic_set(&(*rp)->u.dst.__refcnt, 1);
 		return err;
 	} else {
 		return ip_mkroute_output_def(rp, res, fl, oldflp, dev_out,
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 6094db5e11b..15e1134da1b 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -499,7 +499,7 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
 	/* If this packet has been sent out already, we must
 	 * adjust the various packet counters.
 	 */
-	if (after(tp->snd_nxt, TCP_SKB_CB(buff)->end_seq)) {
+	if (!before(tp->snd_nxt, TCP_SKB_CB(buff)->end_seq)) {
 		int diff = old_factor - tcp_skb_pcount(skb) -
 			tcp_skb_pcount(buff);
 
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index e5beca7de86..e0bd1013cb0 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1141,7 +1141,7 @@ int udp_rcv(struct sk_buff *skb)
 	if (ulen > len || ulen < sizeof(*uh))
 		goto short_packet;
 
-	if (pskb_trim(skb, ulen))
+	if (pskb_trim_rcsum(skb, ulen))
 		goto short_packet;
 
 	if (udp_checksum_init(skb, uh, ulen, saddr, daddr) < 0)
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 01468fab3d3..cc518405b3e 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -175,10 +175,8 @@ ipv4_connected:
 	if (final_p)
 		ipv6_addr_copy(&fl.fl6_dst, final_p);
 
-	if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0) {
-		dst_release(dst);
+	if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0)
 		goto out;
-	}
 
 	/* source address lookup done in ip6_dst_lookup */
 
@@ -390,32 +388,101 @@ int datagram_recv_ctl(struct sock *sk, struct msghdr *msg, struct sk_buff *skb)
 		put_cmsg(msg, SOL_IPV6, IPV6_HOPLIMIT, sizeof(hlim), &hlim);
 	}
 
+	if (np->rxopt.bits.rxtclass) {
+		int tclass = (ntohl(*(u32 *)skb->nh.ipv6h) >> 20) & 0xff;
+		put_cmsg(msg, SOL_IPV6, IPV6_TCLASS, sizeof(tclass), &tclass);
+	}
+
 	if (np->rxopt.bits.rxflow && (*(u32*)skb->nh.raw & IPV6_FLOWINFO_MASK)) {
 		u32 flowinfo = *(u32*)skb->nh.raw & IPV6_FLOWINFO_MASK;
 		put_cmsg(msg, SOL_IPV6, IPV6_FLOWINFO, sizeof(flowinfo), &flowinfo);
 	}
+
+	/* HbH is allowed only once */
 	if (np->rxopt.bits.hopopts && opt->hop) {
 		u8 *ptr = skb->nh.raw + opt->hop;
 		put_cmsg(msg, SOL_IPV6, IPV6_HOPOPTS, (ptr[1]+1)<<3, ptr);
 	}
-	if (np->rxopt.bits.dstopts && opt->dst0) {
+
+	if (opt->lastopt &&
+	    (np->rxopt.bits.dstopts || np->rxopt.bits.srcrt)) {
+		/*
+		 * Silly enough, but we need to reparse in order to
+		 * report extension headers (except for HbH)
+		 * in order.
+		 *
+		 * Also note that IPV6_RECVRTHDRDSTOPTS is NOT 
+		 * (and WILL NOT be) defined because
+		 * IPV6_RECVDSTOPTS is more generic. --yoshfuji
+		 */
+		unsigned int off = sizeof(struct ipv6hdr);
+		u8 nexthdr = skb->nh.ipv6h->nexthdr;
+
+		while (off <= opt->lastopt) {
+			unsigned len;
+			u8 *ptr = skb->nh.raw + off;
+
+			switch(nexthdr) {
+			case IPPROTO_DSTOPTS:
+				nexthdr = ptr[0];
+				len = (ptr[1] + 1) << 3;
+				if (np->rxopt.bits.dstopts)
+					put_cmsg(msg, SOL_IPV6, IPV6_DSTOPTS, len, ptr);
+				break;
+			case IPPROTO_ROUTING:
+				nexthdr = ptr[0];
+				len = (ptr[1] + 1) << 3;
+				if (np->rxopt.bits.srcrt)
+					put_cmsg(msg, SOL_IPV6, IPV6_RTHDR, len, ptr);
+				break;
+			case IPPROTO_AH:
+				nexthdr = ptr[0];
+				len = (ptr[1] + 1) << 2;
+				break;
+			default:
+				nexthdr = ptr[0];
+				len = (ptr[1] + 1) << 3;
+				break;
+			}
+
+			off += len;
+		}
+	}
+
+	/* socket options in old style */
+	if (np->rxopt.bits.rxoinfo) {
+		struct in6_pktinfo src_info;
+
+		src_info.ipi6_ifindex = opt->iif;
+		ipv6_addr_copy(&src_info.ipi6_addr, &skb->nh.ipv6h->daddr);
+		put_cmsg(msg, SOL_IPV6, IPV6_2292PKTINFO, sizeof(src_info), &src_info);
+	}
+	if (np->rxopt.bits.rxohlim) {
+		int hlim = skb->nh.ipv6h->hop_limit;
+		put_cmsg(msg, SOL_IPV6, IPV6_2292HOPLIMIT, sizeof(hlim), &hlim);
+	}
+	if (np->rxopt.bits.ohopopts && opt->hop) {
+		u8 *ptr = skb->nh.raw + opt->hop;
+		put_cmsg(msg, SOL_IPV6, IPV6_2292HOPOPTS, (ptr[1]+1)<<3, ptr);
+	}
+	if (np->rxopt.bits.odstopts && opt->dst0) {
 		u8 *ptr = skb->nh.raw + opt->dst0;
-		put_cmsg(msg, SOL_IPV6, IPV6_DSTOPTS, (ptr[1]+1)<<3, ptr);
+		put_cmsg(msg, SOL_IPV6, IPV6_2292DSTOPTS, (ptr[1]+1)<<3, ptr);
 	}
-	if (np->rxopt.bits.srcrt && opt->srcrt) {
+	if (np->rxopt.bits.osrcrt && opt->srcrt) {
 		struct ipv6_rt_hdr *rthdr = (struct ipv6_rt_hdr *)(skb->nh.raw + opt->srcrt);
-		put_cmsg(msg, SOL_IPV6, IPV6_RTHDR, (rthdr->hdrlen+1) << 3, rthdr);
+		put_cmsg(msg, SOL_IPV6, IPV6_2292RTHDR, (rthdr->hdrlen+1) << 3, rthdr);
 	}
-	if (np->rxopt.bits.dstopts && opt->dst1) {
+	if (np->rxopt.bits.odstopts && opt->dst1) {
 		u8 *ptr = skb->nh.raw + opt->dst1;
-		put_cmsg(msg, SOL_IPV6, IPV6_DSTOPTS, (ptr[1]+1)<<3, ptr);
+		put_cmsg(msg, SOL_IPV6, IPV6_2292DSTOPTS, (ptr[1]+1)<<3, ptr);
 	}
 	return 0;
 }
 
 int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
 		      struct ipv6_txoptions *opt,
-		      int *hlimit)
+		      int *hlimit, int *tclass)
 {
 	struct in6_pktinfo *src_info;
 	struct cmsghdr *cmsg;
@@ -438,6 +505,7 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
 
 		switch (cmsg->cmsg_type) {
  		case IPV6_PKTINFO:
+ 		case IPV6_2292PKTINFO:
  			if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct in6_pktinfo))) {
 				err = -EINVAL;
 				goto exit_f;
@@ -492,6 +560,7 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
 			fl->fl6_flowlabel = IPV6_FLOWINFO_MASK & *(u32 *)CMSG_DATA(cmsg);
 			break;
 
+		case IPV6_2292HOPOPTS:
 		case IPV6_HOPOPTS:
                         if (opt->hopopt || cmsg->cmsg_len < CMSG_LEN(sizeof(struct ipv6_opt_hdr))) {
 				err = -EINVAL;
@@ -512,7 +581,7 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
 			opt->hopopt = hdr;
 			break;
 
-		case IPV6_DSTOPTS:
+		case IPV6_2292DSTOPTS:
                         if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct ipv6_opt_hdr))) {
 				err = -EINVAL;
 				goto exit_f;
@@ -536,6 +605,33 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
 			opt->dst1opt = hdr;
 			break;
 
+		case IPV6_DSTOPTS:
+		case IPV6_RTHDRDSTOPTS:
+			if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct ipv6_opt_hdr))) {
+				err = -EINVAL;
+				goto exit_f;
+			}
+
+			hdr = (struct ipv6_opt_hdr *)CMSG_DATA(cmsg);
+			len = ((hdr->hdrlen + 1) << 3);
+			if (cmsg->cmsg_len < CMSG_LEN(len)) {
+				err = -EINVAL;
+				goto exit_f;
+			}
+			if (!capable(CAP_NET_RAW)) {
+				err = -EPERM;
+				goto exit_f;
+			}
+			if (cmsg->cmsg_type == IPV6_DSTOPTS) {
+				opt->opt_flen += len;
+				opt->dst1opt = hdr;
+			} else {
+				opt->opt_nflen += len;
+				opt->dst0opt = hdr;
+			}
+			break;
+
+		case IPV6_2292RTHDR:
 		case IPV6_RTHDR:
                         if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct ipv6_rt_hdr))) {
 				err = -EINVAL;
@@ -568,7 +664,7 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
 			opt->opt_nflen += len;
 			opt->srcrt = rthdr;
 
-			if (opt->dst1opt) {
+			if (cmsg->cmsg_type == IPV6_2292RTHDR && opt->dst1opt) {
 				int dsthdrlen = ((opt->dst1opt->hdrlen+1)<<3);
 
 				opt->opt_nflen += dsthdrlen;
@@ -579,6 +675,7 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
 
 			break;
 
+		case IPV6_2292HOPLIMIT:
 		case IPV6_HOPLIMIT:
 			if (cmsg->cmsg_len != CMSG_LEN(sizeof(int))) {
 				err = -EINVAL;
@@ -588,6 +685,24 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
 			*hlimit = *(int *)CMSG_DATA(cmsg);
 			break;
 
+		case IPV6_TCLASS:
+		    {
+			int tc;
+
+			err = -EINVAL;
+			if (cmsg->cmsg_len != CMSG_LEN(sizeof(int))) {
+				goto exit_f;
+			}
+
+			tc = *(int *)CMSG_DATA(cmsg);
+			if (tc < 0 || tc > 0xff)
+				goto exit_f;
+
+			err = 0;
+			*tclass = tc;
+
+			break;
+		    }
 		default:
 			LIMIT_NETDEBUG(KERN_DEBUG "invalid cmsg type: %d\n",
 			               cmsg->cmsg_type);
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 5be6da2584e..47122728212 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -164,6 +164,7 @@ static int ipv6_destopt_rcv(struct sk_buff **skbp, unsigned int *nhoffp)
 		return -1;
 	}
 
+	opt->lastopt = skb->h.raw - skb->nh.raw;
 	opt->dst1 = skb->h.raw - skb->nh.raw;
 
 	if (ip6_parse_tlv(tlvprocdestopt_lst, skb)) {
@@ -243,6 +244,7 @@ static int ipv6_rthdr_rcv(struct sk_buff **skbp, unsigned int *nhoffp)
 
 looped_back:
 	if (hdr->segments_left == 0) {
+		opt->lastopt = skb->h.raw - skb->nh.raw;
 		opt->srcrt = skb->h.raw - skb->nh.raw;
 		skb->h.raw += (hdr->hdrlen + 1) << 3;
 		opt->dst0 = opt->dst1;
@@ -459,11 +461,10 @@ static int ipv6_hop_jumbo(struct sk_buff *skb, int optoff)
 		IP6_INC_STATS_BH(IPSTATS_MIB_INTRUNCATEDPKTS);
 		goto drop;
 	}
-	if (pkt_len + sizeof(struct ipv6hdr) < skb->len) {
-		__pskb_trim(skb, pkt_len + sizeof(struct ipv6hdr));
-		if (skb->ip_summed == CHECKSUM_HW)
-			skb->ip_summed = CHECKSUM_NONE;
-	}
+
+	if (pskb_trim_rcsum(skb, pkt_len + sizeof(struct ipv6hdr)))
+		goto drop;
+
 	return 1;
 
 drop:
@@ -539,10 +540,15 @@ void ipv6_push_nfrag_opts(struct sk_buff *skb, struct ipv6_txoptions *opt,
 			  u8 *proto,
 			  struct in6_addr **daddr)
 {
-	if (opt->srcrt)
+	if (opt->srcrt) {
 		ipv6_push_rthdr(skb, proto, opt->srcrt, daddr);
-	if (opt->dst0opt)
-		ipv6_push_exthdr(skb, proto, NEXTHDR_DEST, opt->dst0opt);
+		/*
+		 * IPV6_RTHDRDSTOPTS is ignored
+		 * unless IPV6_RTHDR is set (RFC3542).
+		 */
+		if (opt->dst0opt)
+			ipv6_push_exthdr(skb, proto, NEXTHDR_DEST, opt->dst0opt);
+	}
 	if (opt->hopopt)
 		ipv6_push_exthdr(skb, proto, NEXTHDR_HOP, opt->hopopt);
 }
@@ -573,3 +579,97 @@ ipv6_dup_options(struct sock *sk, struct ipv6_txoptions *opt)
 	}
 	return opt2;
 }
+
+static int ipv6_renew_option(void *ohdr,
+			     struct ipv6_opt_hdr __user *newopt, int newoptlen,
+			     int inherit,
+			     struct ipv6_opt_hdr **hdr,
+			     char **p)
+{
+	if (inherit) {
+		if (ohdr) {
+			memcpy(*p, ohdr, ipv6_optlen((struct ipv6_opt_hdr *)ohdr));
+			*hdr = (struct ipv6_opt_hdr *)*p;
+			*p += CMSG_ALIGN(ipv6_optlen(*(struct ipv6_opt_hdr **)hdr));
+		}
+	} else {
+		if (newopt) {
+			if (copy_from_user(*p, newopt, newoptlen))
+				return -EFAULT;
+			*hdr = (struct ipv6_opt_hdr *)*p;
+			if (ipv6_optlen(*(struct ipv6_opt_hdr **)hdr) > newoptlen)
+				return -EINVAL;
+			*p += CMSG_ALIGN(newoptlen);
+		}
+	}
+	return 0;
+}
+
+struct ipv6_txoptions *
+ipv6_renew_options(struct sock *sk, struct ipv6_txoptions *opt,
+		   int newtype,
+		   struct ipv6_opt_hdr __user *newopt, int newoptlen)
+{
+	int tot_len = 0;
+	char *p;
+	struct ipv6_txoptions *opt2;
+	int err;
+
+	if (newtype != IPV6_HOPOPTS && opt->hopopt)
+		tot_len += CMSG_ALIGN(ipv6_optlen(opt->hopopt));
+	if (newtype != IPV6_RTHDRDSTOPTS && opt->dst0opt)
+		tot_len += CMSG_ALIGN(ipv6_optlen(opt->dst0opt));
+	if (newtype != IPV6_RTHDR && opt->srcrt)
+		tot_len += CMSG_ALIGN(ipv6_optlen(opt->srcrt));
+	if (newtype != IPV6_DSTOPTS && opt->dst1opt)
+		tot_len += CMSG_ALIGN(ipv6_optlen(opt->dst1opt));
+	if (newopt && newoptlen)
+		tot_len += CMSG_ALIGN(newoptlen);
+
+	if (!tot_len)
+		return NULL;
+
+	opt2 = sock_kmalloc(sk, tot_len, GFP_ATOMIC);
+	if (!opt2)
+		return ERR_PTR(-ENOBUFS);
+
+	memset(opt2, 0, tot_len);
+
+	opt2->tot_len = tot_len;
+	p = (char *)(opt2 + 1);
+
+	err = ipv6_renew_option(opt->hopopt, newopt, newoptlen,
+				newtype != IPV6_HOPOPTS,
+				&opt2->hopopt, &p);
+	if (err)
+		goto out;
+
+	err = ipv6_renew_option(opt->dst0opt, newopt, newoptlen,
+				newtype != IPV6_RTHDRDSTOPTS,
+				&opt2->dst0opt, &p);
+	if (err)
+		goto out;
+
+	err = ipv6_renew_option(opt->srcrt, newopt, newoptlen,
+				newtype != IPV6_RTHDR,
+				(struct ipv6_opt_hdr **)opt2->srcrt, &p);
+	if (err)
+		goto out;
+
+	err = ipv6_renew_option(opt->dst1opt, newopt, newoptlen,
+				newtype != IPV6_DSTOPTS,
+				&opt2->dst1opt, &p);
+	if (err)
+		goto out;
+
+	opt2->opt_nflen = (opt2->hopopt ? ipv6_optlen(opt2->hopopt) : 0) +
+			  (opt2->dst0opt ? ipv6_optlen(opt2->dst0opt) : 0) +
+			  (opt2->srcrt ? ipv6_optlen(opt2->srcrt) : 0);
+	opt2->opt_flen = (opt2->dst1opt ? ipv6_optlen(opt2->dst1opt) : 0);
+
+	return opt2;
+out:
+	sock_kfree_s(sk, p, tot_len);
+	return ERR_PTR(err);
+}
+
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index fa8f1bb0aa5..b7185fb3377 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -287,7 +287,7 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
 	int iif = 0;
 	int addr_type = 0;
 	int len;
-	int hlimit;
+	int hlimit, tclass;
 	int err = 0;
 
 	if ((u8*)hdr < skb->head || (u8*)(hdr+1) > skb->tail)
@@ -374,7 +374,7 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
 	if (err)
 		goto out;
 	if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0)
-		goto out_dst_release;
+		goto out;
 
 	if (ipv6_addr_is_multicast(&fl.fl6_dst))
 		hlimit = np->mcast_hops;
@@ -385,6 +385,10 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
 	if (hlimit < 0)
 		hlimit = ipv6_get_hoplimit(dst->dev);
 
+	tclass = np->cork.tclass;
+	if (tclass < 0)
+		tclass = 0;
+
 	msg.skb = skb;
 	msg.offset = skb->nh.raw - skb->data;
 
@@ -400,7 +404,7 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
 	err = ip6_append_data(sk, icmpv6_getfrag, &msg,
 			      len + sizeof(struct icmp6hdr),
 			      sizeof(struct icmp6hdr),
-			      hlimit, NULL, &fl, (struct rt6_info*)dst,
+			      hlimit, tclass, NULL, &fl, (struct rt6_info*)dst,
 			      MSG_DONTWAIT);
 	if (err) {
 		ip6_flush_pending_frames(sk);
@@ -434,6 +438,7 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
 	struct dst_entry *dst;
 	int err = 0;
 	int hlimit;
+	int tclass;
 
 	saddr = &skb->nh.ipv6h->daddr;
 
@@ -464,7 +469,7 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
 	if (err)
 		goto out;
 	if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0)
-		goto out_dst_release;
+		goto out;
 
 	if (ipv6_addr_is_multicast(&fl.fl6_dst))
 		hlimit = np->mcast_hops;
@@ -475,13 +480,17 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
 	if (hlimit < 0)
 		hlimit = ipv6_get_hoplimit(dst->dev);
 
+	tclass = np->cork.tclass;
+	if (tclass < 0)
+		tclass = 0;
+
 	idev = in6_dev_get(skb->dev);
 
 	msg.skb = skb;
 	msg.offset = 0;
 
 	err = ip6_append_data(sk, icmpv6_getfrag, &msg, skb->len + sizeof(struct icmp6hdr),
-				sizeof(struct icmp6hdr), hlimit, NULL, &fl,
+				sizeof(struct icmp6hdr), hlimit, tclass, NULL, &fl,
 				(struct rt6_info*)dst, MSG_DONTWAIT);
 
 	if (err) {
@@ -496,7 +505,6 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
 out_put: 
 	if (likely(idev != NULL))
 		in6_dev_put(idev);
-out_dst_release:
 	dst_release(dst);
 out: 
 	icmpv6_xmit_unlock();
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index b6c73da5ff3..a7db762de14 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -225,16 +225,20 @@ struct ipv6_txoptions *fl6_merge_options(struct ipv6_txoptions * opt_space,
 					 struct ip6_flowlabel * fl,
 					 struct ipv6_txoptions * fopt)
 {
-	struct ipv6_txoptions * fl_opt = fl->opt;
+	struct ipv6_txoptions * fl_opt = fl ? fl->opt : NULL;
 
-	if (fopt == NULL || fopt->opt_flen == 0)
-		return fl_opt;
+	if (fopt == NULL || fopt->opt_flen == 0) {
+		if (!fl_opt || !fl_opt->dst0opt || fl_opt->srcrt)
+			return fl_opt;
+	}
 
 	if (fl_opt != NULL) {
 		opt_space->hopopt = fl_opt->hopopt;
-		opt_space->dst0opt = fl_opt->dst0opt;
+		opt_space->dst0opt = fl_opt->srcrt ? fl_opt->dst0opt : NULL;
 		opt_space->srcrt = fl_opt->srcrt;
 		opt_space->opt_nflen = fl_opt->opt_nflen;
+		if (fl_opt->dst0opt && !fl_opt->srcrt)
+			opt_space->opt_nflen -= ipv6_optlen(fl_opt->dst0opt);
 	} else {
 		if (fopt->opt_nflen == 0)
 			return fopt;
@@ -310,7 +314,7 @@ fl_create(struct in6_flowlabel_req *freq, char __user *optval, int optlen, int *
 		msg.msg_control = (void*)(fl->opt+1);
 		flowi.oif = 0;
 
-		err = datagram_send_ctl(&msg, &flowi, fl->opt, &junk);
+		err = datagram_send_ctl(&msg, &flowi, fl->opt, &junk, &junk);
 		if (err)
 			goto done;
 		err = -EINVAL;
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 01ef94f7c7f..2f589f24c09 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -166,7 +166,7 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
 	struct ipv6hdr *hdr;
 	u8  proto = fl->proto;
 	int seg_len = skb->len;
-	int hlimit;
+	int hlimit, tclass;
 	u32 mtu;
 
 	if (opt) {
@@ -202,7 +202,6 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
 	 *	Fill in the IPv6 header
 	 */
 
-	*(u32*)hdr = htonl(0x60000000) | fl->fl6_flowlabel;
 	hlimit = -1;
 	if (np)
 		hlimit = np->hop_limit;
@@ -211,6 +210,14 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
 	if (hlimit < 0)
 		hlimit = ipv6_get_hoplimit(dst->dev);
 
+	tclass = -1;
+	if (np)
+		tclass = np->tclass;
+	if (tclass < 0)
+		tclass = 0;
+
+	*(u32 *)hdr = htonl(0x60000000 | (tclass << 20)) | fl->fl6_flowlabel;
+
 	hdr->payload_len = htons(seg_len);
 	hdr->nexthdr = proto;
 	hdr->hop_limit = hlimit;
@@ -762,10 +769,11 @@ out_err_release:
 	return err;
 }
 
-int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to, int offset, int len, int odd, struct sk_buff *skb),
-		    void *from, int length, int transhdrlen,
-		    int hlimit, struct ipv6_txoptions *opt, struct flowi *fl, struct rt6_info *rt,
-		    unsigned int flags)
+int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
+	int offset, int len, int odd, struct sk_buff *skb),
+	void *from, int length, int transhdrlen,
+	int hlimit, int tclass, struct ipv6_txoptions *opt, struct flowi *fl,
+	struct rt6_info *rt, unsigned int flags)
 {
 	struct inet_sock *inet = inet_sk(sk);
 	struct ipv6_pinfo *np = inet6_sk(sk);
@@ -803,6 +811,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to, int offse
 		np->cork.rt = rt;
 		inet->cork.fl = *fl;
 		np->cork.hop_limit = hlimit;
+		np->cork.tclass = tclass;
 		inet->cork.fragsize = mtu = dst_mtu(rt->u.dst.path);
 		if (dst_allfrag(rt->u.dst.path))
 			inet->cork.flags |= IPCORK_ALLFRAG;
@@ -1084,7 +1093,8 @@ int ip6_push_pending_frames(struct sock *sk)
 
 	skb->nh.ipv6h = hdr = (struct ipv6hdr*) skb_push(skb, sizeof(struct ipv6hdr));
 	
-	*(u32*)hdr = fl->fl6_flowlabel | htonl(0x60000000);
+	*(u32*)hdr = fl->fl6_flowlabel |
+		     htonl(0x60000000 | ((int)np->cork.tclass << 20));
 
 	if (skb->len <= sizeof(struct ipv6hdr) + IPV6_MAXPLEN)
 		hdr->payload_len = htons(skb->len - sizeof(struct ipv6hdr));
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 09613729404..cf94372d1af 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -673,11 +673,12 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	if ((dst = ip6_tnl_dst_check(t)) != NULL)
 		dst_hold(dst);
-	else
+	else {
 		dst = ip6_route_output(NULL, &fl);
 
-	if (dst->error || xfrm_lookup(&dst, &fl, NULL, 0) < 0)
-		goto tx_err_link_failure;
+		if (dst->error || xfrm_lookup(&dst, &fl, NULL, 0) < 0)
+			goto tx_err_link_failure;
+	}
 
 	tdev = dst->dev;
 
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 76466af8331..8567873d0dd 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -210,39 +210,139 @@ int ipv6_setsockopt(struct sock *sk, int level, int optname,
 		retv = 0;
 		break;
 
-	case IPV6_PKTINFO:
+	case IPV6_RECVPKTINFO:
 		np->rxopt.bits.rxinfo = valbool;
 		retv = 0;
 		break;
+		
+	case IPV6_2292PKTINFO:
+		np->rxopt.bits.rxoinfo = valbool;
+		retv = 0;
+		break;
 
-	case IPV6_HOPLIMIT:
+	case IPV6_RECVHOPLIMIT:
 		np->rxopt.bits.rxhlim = valbool;
 		retv = 0;
 		break;
 
-	case IPV6_RTHDR:
+	case IPV6_2292HOPLIMIT:
+		np->rxopt.bits.rxohlim = valbool;
+		retv = 0;
+		break;
+
+	case IPV6_RECVRTHDR:
 		if (val < 0 || val > 2)
 			goto e_inval;
 		np->rxopt.bits.srcrt = val;
 		retv = 0;
 		break;
 
-	case IPV6_HOPOPTS:
+	case IPV6_2292RTHDR:
+		if (val < 0 || val > 2)
+			goto e_inval;
+		np->rxopt.bits.osrcrt = val;
+		retv = 0;
+		break;
+
+	case IPV6_RECVHOPOPTS:
 		np->rxopt.bits.hopopts = valbool;
 		retv = 0;
 		break;
 
-	case IPV6_DSTOPTS:
+	case IPV6_2292HOPOPTS:
+		np->rxopt.bits.ohopopts = valbool;
+		retv = 0;
+		break;
+
+	case IPV6_RECVDSTOPTS:
 		np->rxopt.bits.dstopts = valbool;
 		retv = 0;
 		break;
 
+	case IPV6_2292DSTOPTS:
+		np->rxopt.bits.odstopts = valbool;
+		retv = 0;
+		break;
+
+	case IPV6_TCLASS:
+		if (val < 0 || val > 0xff)
+			goto e_inval;
+		np->tclass = val;
+		retv = 0;
+		break;
+		
+	case IPV6_RECVTCLASS:
+		np->rxopt.bits.rxtclass = valbool;
+		retv = 0;
+		break;
+
 	case IPV6_FLOWINFO:
 		np->rxopt.bits.rxflow = valbool;
 		retv = 0;
 		break;
 
-	case IPV6_PKTOPTIONS:
+	case IPV6_HOPOPTS:
+	case IPV6_RTHDRDSTOPTS:
+	case IPV6_RTHDR:
+	case IPV6_DSTOPTS:
+	{
+		struct ipv6_txoptions *opt;
+		if (optlen == 0)
+			optval = 0;
+
+		/* hop-by-hop / destination options are privileged option */
+		retv = -EPERM;