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-rw-r--r--drivers/net/bnx2.c7
-rw-r--r--drivers/net/bnx2.h1
-rw-r--r--include/linux/in6.h36
-rw-r--r--include/linux/ipv6.h15
-rw-r--r--include/linux/skbuff.h2
-rw-r--r--include/net/ax25.h2
-rw-r--r--include/net/compat.h5
-rw-r--r--include/net/ipv6.h5
-rw-r--r--include/net/transp_v6.h2
-rw-r--r--net/ax25/ax25_addr.c27
-rw-r--r--net/ipv4/netfilter/ip_conntrack_netbios_ns.c24
-rw-r--r--net/ipv4/netfilter/ipt_REJECT.c5
-rw-r--r--net/ipv4/route.c29
-rw-r--r--net/ipv4/tcp_output.c2
-rw-r--r--net/ipv4/udp.c2
-rw-r--r--net/ipv6/datagram.c139
-rw-r--r--net/ipv6/exthdrs.c116
-rw-r--r--net/ipv6/icmp.c20
-rw-r--r--net/ipv6/ip6_flowlabel.c14
-rw-r--r--net/ipv6/ip6_output.c24
-rw-r--r--net/ipv6/ip6_tunnel.c7
-rw-r--r--net/ipv6/ipv6_sockglue.c186
-rw-r--r--net/ipv6/ndisc.c16
-rw-r--r--net/ipv6/netfilter/ip6t_REJECT.c5
-rw-r--r--net/ipv6/raw.c21
-rw-r--r--net/ipv6/reassembly.c9
-rw-r--r--net/ipv6/tcp_ipv6.c36
-rw-r--r--net/ipv6/udp.c25
-rw-r--r--net/rose/rose_subr.c4
-rw-r--r--net/xfrm/xfrm_policy.c8
30 files changed, 615 insertions, 179 deletions
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 55a72c7ad00..83598e32179 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -14,8 +14,8 @@
#define DRV_MODULE_NAME "bnx2"
#define PFX DRV_MODULE_NAME ": "
-#define DRV_MODULE_VERSION "1.2.20"
-#define DRV_MODULE_RELDATE "August 22, 2005"
+#define DRV_MODULE_VERSION "1.2.21"
+#define DRV_MODULE_RELDATE "September 7, 2005"
#define RUN_AT(x) (jiffies + (x))
@@ -1533,6 +1533,7 @@ bnx2_msi(int irq, void *dev_instance, struct pt_regs *regs)
struct net_device *dev = dev_instance;
struct bnx2 *bp = dev->priv;
+ prefetch(bp->status_blk);
REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
@@ -1558,7 +1559,7 @@ bnx2_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
* When using MSI, the MSI message will always complete after
* the status block write.
*/
- if ((bp->status_blk->status_idx == bp->last_status_idx) ||
+ if ((bp->status_blk->status_idx == bp->last_status_idx) &&
(REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
return IRQ_NONE;
diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h
index 9ad3f5740cd..62857b6a6ee 100644
--- a/drivers/net/bnx2.h
+++ b/drivers/net/bnx2.h
@@ -50,6 +50,7 @@
#endif
#include <linux/workqueue.h>
#include <linux/crc32.h>
+#include <linux/prefetch.h>
/* Hardware data structures and register definitions automatically
* generated from RTL code. Do not modify.
diff --git a/include/linux/in6.h b/include/linux/in6.h
index dcf5720ffcb..bd32b79d629 100644
--- a/include/linux/in6.h
+++ b/include/linux/in6.h
@@ -148,13 +148,13 @@ struct in6_flowlabel_req
*/
#define IPV6_ADDRFORM 1
-#define IPV6_PKTINFO 2
-#define IPV6_HOPOPTS 3
-#define IPV6_DSTOPTS 4
-#define IPV6_RTHDR 5
-#define IPV6_PKTOPTIONS 6
+#define IPV6_2292PKTINFO 2
+#define IPV6_2292HOPOPTS 3
+#define IPV6_2292DSTOPTS 4
+#define IPV6_2292RTHDR 5
+#define IPV6_2292PKTOPTIONS 6
#define IPV6_CHECKSUM 7
-#define IPV6_HOPLIMIT 8
+#define IPV6_2292HOPLIMIT 8
#define IPV6_NEXTHOP 9
#define IPV6_AUTHHDR 10 /* obsolete */
#define IPV6_FLOWINFO 11
@@ -198,4 +198,28 @@ struct in6_flowlabel_req
* MCAST_MSFILTER 48
*/
+/* RFC3542 advanced socket options (50-67) */
+#define IPV6_RECVPKTINFO 50
+#define IPV6_PKTINFO 51
+#if 0
+#define IPV6_RECVPATHMTU 52
+#define IPV6_PATHMTU 53
+#define IPV6_DONTFRAG 54
+#define IPV6_USE_MIN_MTU 55
+#endif
+#define IPV6_RECVHOPOPTS 56
+#define IPV6_HOPOPTS 57
+#if 0
+#define IPV6_RECVRTHDRDSTOPTS 58 /* Unused, see net/ipv6/datagram.c */
+#endif
+#define IPV6_RTHDRDSTOPTS 59
+#define IPV6_RECVRTHDR 60
+#define IPV6_RTHDR 61
+#define IPV6_RECVDSTOPTS 62
+#define IPV6_DSTOPTS 63
+#define IPV6_RECVHOPLIMIT 64
+#define IPV6_HOPLIMIT 65
+#define IPV6_RECVTCLASS 66
+#define IPV6_TCLASS 67
+
#endif
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 3c7dbc6a0a7..6c5f7b39a4b 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -189,6 +189,7 @@ struct inet6_skb_parm {
__u16 dst0;
__u16 srcrt;
__u16 dst1;
+ __u16 lastopt;
};
#define IP6CB(skb) ((struct inet6_skb_parm*)((skb)->cb))
@@ -234,14 +235,20 @@ struct ipv6_pinfo {
/* pktoption flags */
union {
struct {
- __u8 srcrt:2,
+ __u16 srcrt:2,
+ osrcrt:2,
rxinfo:1,
+ rxoinfo:1,
rxhlim:1,
+ rxohlim:1,
hopopts:1,
+ ohopopts:1,
dstopts:1,
- rxflow:1;
+ odstopts:1,
+ rxflow:1,
+ rxtclass:1;
} bits;
- __u8 all;
+ __u16 all;
} rxopt;
/* sockopt flags */
@@ -250,6 +257,7 @@ struct ipv6_pinfo {
sndflow:1,
pmtudisc:2,
ipv6only:1;
+ __u8 tclass;
__u32 dst_cookie;
@@ -263,6 +271,7 @@ struct ipv6_pinfo {
struct ipv6_txoptions *opt;
struct rt6_info *rt;
int hop_limit;
+ int tclass;
} cork;
};
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index da7da9c0ed1..2741c0c55e8 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1167,7 +1167,7 @@ static inline void skb_postpull_rcsum(struct sk_buff *skb,
static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len)
{
- if (len >= skb->len)
+ if (likely(len >= skb->len))
return 0;
if (skb->ip_summed == CHECKSUM_HW)
skb->ip_summed = CHECKSUM_NONE;
diff --git a/include/net/ax25.h b/include/net/ax25.h
index 364b046e9f4..227d3378dec 100644
--- a/include/net/ax25.h
+++ b/include/net/ax25.h
@@ -258,7 +258,7 @@ extern struct sock *ax25_make_new(struct sock *, struct ax25_dev *);
/* ax25_addr.c */
extern ax25_address null_ax25_address;
extern char *ax2asc(char *buf, ax25_address *);
-extern ax25_address *asc2ax(char *);
+extern void asc2ax(ax25_address *addr, char *callsign);
extern int ax25cmp(ax25_address *, ax25_address *);
extern int ax25digicmp(ax25_digi *, ax25_digi *);
extern unsigned char *ax25_addr_parse(unsigned char *, int, ax25_address *, ax25_address *, ax25_digi *, int *, int *);
diff --git a/include/net/compat.h b/include/net/compat.h
index 482eb820f13..290bab46d45 100644
--- a/include/net/compat.h
+++ b/include/net/compat.h
@@ -33,7 +33,8 @@ extern asmlinkage long compat_sys_sendmsg(int,struct compat_msghdr __user *,unsi
extern asmlinkage long compat_sys_recvmsg(int,struct compat_msghdr __user *,unsigned);
extern asmlinkage long compat_sys_getsockopt(int, int, int, char __user *, int __user *);
extern int put_cmsg_compat(struct msghdr*, int, int, int, void *);
-extern int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, unsigned char *,
- int);
+
+struct sock;
+extern int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, unsigned char *, int);
#endif /* NET_COMPAT_H */
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 3203eaff4bd..65ec86678a0 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -233,6 +233,10 @@ extern int ip6_ra_control(struct sock *sk, int sel,
extern int ipv6_parse_hopopts(struct sk_buff *skb, int);
extern struct ipv6_txoptions * ipv6_dup_options(struct sock *sk, struct ipv6_txoptions *opt);
+extern struct ipv6_txoptions * ipv6_renew_options(struct sock *sk, struct ipv6_txoptions *opt,
+ int newtype,
+ struct ipv6_opt_hdr __user *newopt,
+ int newoptlen);
extern int ip6_frag_nqueues;
extern atomic_t ip6_frag_mem;
@@ -373,6 +377,7 @@ extern int ip6_append_data(struct sock *sk,
int length,
int transhdrlen,
int hlimit,
+ int tclass,
struct ipv6_txoptions *opt,
struct flowi *fl,
struct rt6_info *rt,
diff --git a/include/net/transp_v6.h b/include/net/transp_v6.h
index 8b075ab7a26..4e86f2de663 100644
--- a/include/net/transp_v6.h
+++ b/include/net/transp_v6.h
@@ -37,7 +37,7 @@ extern int datagram_recv_ctl(struct sock *sk,
extern int datagram_send_ctl(struct msghdr *msg,
struct flowi *fl,
struct ipv6_txoptions *opt,
- int *hlimit);
+ int *hlimit, int *tclass);
#define LOOPBACK4_IPV6 __constant_htonl(0x7f000006)
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;
+ if (optname != IPV6_RTHDR && !capable(CAP_NET_RAW))
+ break;
+
+ retv = -EINVAL;
+ if (optlen & 0x7 || optlen > 8 * 255)
+ break;
+
+ opt = ipv6_renew_options(sk, np->opt, optname,
+ (struct ipv6_opt_hdr __user *)optval,
+ optlen);
+ if (IS_ERR(opt)) {
+ retv = PTR_ERR(opt);
+ break;
+ }
+
+ /* routing header option needs extra check */
+ if (optname == IPV6_RTHDR && opt->srcrt) {
+ struct ipv6_rt_hdr *rthdr = opt->srcrt;
+ if (rthdr->type)
+ goto sticky_done;
+ if ((rthdr->hdrlen & 1) ||
+ (rthdr->hdrlen >> 1) != rthdr->segments_left)
+ goto sticky_done;
+ }
+
+ retv = 0;
+ if (sk->sk_type == SOCK_STREAM) {
+ if (opt) {
+ struct tcp_sock *tp = tcp_sk(sk);
+ if (!((1 << sk->sk_state) &
+ (TCPF_LISTEN | TCPF_CLOSE))
+ && inet_sk(sk)->daddr != LOOPBACK4_IPV6) {
+ tp->ext_header_len = opt->opt_flen + opt->opt_nflen;
+ tcp_sync_mss(sk, tp->pmtu_cookie);
+ }
+ }
+ opt = xchg(&np->opt, opt);
+ sk_dst_reset(sk);
+ } else {
+ write_lock(&sk->sk_dst_lock);
+ opt = xchg(&np->opt, opt);
+ write_unlock(&sk->sk_dst_lock);
+ sk_dst_reset(sk);
+ }
+sticky_done:
+ if (opt)
+ sock_kfree_s(sk, opt, opt->tot_len);
+ break;
+ }
+
+ case IPV6_2292PKTOPTIONS:
{
struct ipv6_txoptions *opt = NULL;
struct msghdr msg;
@@ -276,7 +376,7 @@ int ipv6_setsockopt(struct sock *sk, int level, int optname,
msg.msg_controllen = optlen;
msg.msg_control = (void*)(opt+1);
- retv = datagram_send_ctl(&msg, &fl, opt, &junk);
+ retv = datagram_send_ctl(&msg, &fl, opt, &junk, &junk);
if (retv)
goto done;
update:
@@ -529,6 +629,17 @@ e_inval:
return -EINVAL;
}
+int ipv6_getsockopt_sticky(struct sock *sk, struct ipv6_opt_hdr *hdr,
+ char __user *optval, int len)
+{
+ if (!hdr)
+ return 0;
+ len = min_t(int, len, ipv6_optlen(hdr));
+ if (copy_to_user(optval, hdr, ipv6_optlen(hdr)))
+ return -EFAULT;
+ return len;
+}
+
int ipv6_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
{
@@ -567,7 +678,7 @@ int ipv6_getsockopt(struct sock *sk, int level, int optname,
return err;
}
- case IPV6_PKTOPTIONS:
+ case IPV6_2292PKTOPTIONS:
{
struct msghdr msg;
struct sk_buff *skb;
@@ -601,6 +712,16 @@ int ipv6_getsockopt(struct sock *sk, int level, int optname,
int hlim = np->mcast_hops;
put_cmsg(&msg, SOL_IPV6, IPV6_HOPLIMIT, sizeof(hlim), &hlim);
}
+ if (np->rxopt.bits.rxoinfo) {
+ struct in6_pktinfo src_info;
+ src_info.ipi6_ifindex = np->mcast_oif;
+ ipv6_addr_copy(&src_info.ipi6_addr, &np->daddr);
+ put_cmsg(&msg, SOL_IPV6, IPV6_2292PKTINFO, sizeof(src_info), &src_info);
+ }
+ if (np->rxopt.bits.rxohlim) {
+ int hlim = np->mcast_hops;
+ put_cmsg(&msg, SOL_IPV6, IPV6_2292HOPLIMIT, sizeof(hlim), &hlim);
+ }
}
len -= msg.msg_controllen;
return put_user(len, optlen);
@@ -625,26 +746,67 @@ int ipv6_getsockopt(struct sock *sk, int level, int optname,
val = np->ipv6only;
break;
- case IPV6_PKTINFO:
+ case IPV6_RECVPKTINFO:
val = np->rxopt.bits.rxinfo;
break;
- case IPV6_HOPLIMIT:
+ case IPV6_2292PKTINFO:
+ val = np->rxopt.bits.rxoinfo;
+ break;
+
+ case IPV6_RECVHOPLIMIT:
val = np->rxopt.bits.rxhlim;
break;
- case IPV6_RTHDR:
+ case IPV6_2292HOPLIMIT:
+ val = np->rxopt.bits.rxohlim;
+ break;
+
+ case IPV6_RECVRTHDR:
val = np->rxopt.bits.srcrt;
break;
+ case IPV6_2292RTHDR:
+ val = np->rxopt.bits.osrcrt;
+ break;
+
case IPV6_HOPOPTS:
+ case IPV6_RTHDRDSTOPTS:
+ case IPV6_RTHDR:
+ case IPV6_DSTOPTS:
+ {
+
+ lock_sock(sk);
+ len = ipv6_getsockopt_sticky(sk, np->opt->hopopt,
+ optval, len);
+ release_sock(sk);
+ return put_user(len, optlen);
+ }
+
+ case IPV6_RECVHOPOPTS:
val = np->rxopt.bits.hopopts;
break;
- case IPV6_DSTOPTS:
+ case IPV6_2292HOPOPTS:
+ val = np->rxopt.bits.ohopopts;
+ break;
+
+ case IPV6_RECVDSTOPTS:
val = np->rxopt.bits.dstopts;
break;
+ case IPV6_2292DSTOPTS:
+ val = np->rxopt.bits.odstopts;
+ break;
+
+ case IPV6_TCLASS:
+ val = np->tclass;
+ break;
+
+ case IPV6_RECVTCLASS:
+ val = np->rxopt.bits.rxtclass;
+ break;
+
case IPV6_FLOWINFO:
val = np->rxopt.bits.rxflow;
break;
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index a7eae30f455..555a31347ed 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -447,10 +447,8 @@ static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh,
return;
err = xfrm_lookup(&dst, &fl, NULL, 0);
- if (err < 0) {
- dst_release(dst);
+ if (err < 0)
return;
- }
if (inc_opt) {
if (dev->addr_len)
@@ -539,10 +537,8 @@ void ndisc_send_ns(struct net_device *dev, struct neighbour *neigh,
return;
err = xfrm_lookup(&dst, &fl, NULL, 0);
- if (err < 0) {
- dst_release(dst);
+ if (err < 0)
return;
- }
len = sizeof(struct icmp6hdr) + sizeof(struct in6_addr);
send_llinfo = dev->addr_len && !ipv6_addr_any(saddr);
@@ -616,10 +612,8 @@ void ndisc_send_rs(struct net_device *dev, struct in6_addr *saddr,
return;
err = xfrm_lookup(&dst, &fl, NULL, 0);
- if (err < 0) {
- dst_release(dst);
+ if (err < 0)
return;
- }
len = sizeof(struct icmp6hdr);
if (dev->addr_len)
@@ -1353,10 +1347,8 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
return;
err = xfrm_lookup(&dst, &fl, NULL, 0);
- if (err) {
- dst_release(dst);
+ if (err)
return;
- }
rt = (struct rt6_info *) dst;
diff --git a/net/ipv6/netfilter/ip6t_REJECT.c b/net/ipv6/netfilter/ip6t_REJECT.c
index 14316c3ebde..b03e87adca9 100644
--- a/net/ipv6/netfilter/ip6t_REJECT.c
+++ b/net/ipv6/netfilter/ip6t_REJECT.c
@@ -100,11 +100,8 @@ static void send_reset(struct sk_buff *oldskb)
dst = ip6_route_output(NULL, &fl);
if (dst == NULL)
return;
- if (dst->error ||
- xfrm_lookup(&dst, &fl, NULL, 0)) {
- dst_release(dst);
+ if (dst->error || xfrm_lookup(&dst, &fl, NULL, 0))
return;
- }
hh_len = (dst->dev->hard_header_len + 15)&~15;
nskb = alloc_skb(hh_len + 15 + dst->header_len + sizeof(struct ipv6hdr)
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index ed3a76b30fd..5aa3691c578 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -655,6 +655,7 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
struct flowi fl;
int addr_len = msg->msg_namelen;
int hlimit = -1;
+ int tclass = -1;
u16 proto;
int err;
@@ -740,7 +741,7 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
memset(opt, 0, sizeof(struct ipv6_txoptions));
opt->tot_len = sizeof(struct ipv6_txoptions);
- err = datagram_send_ctl(msg, &fl, opt, &hlimit);
+ err = datagram_send_ctl(msg, &fl, opt, &hlimit, &tclass);
if (err < 0) {
fl6_sock_release(flowlabel);
return err;
@@ -755,8 +756,7 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
}
if (opt == NULL)
opt = np->opt;
- if (flowlabel)
- opt = fl6_merge_options(&opt_space, flowlabel, opt);
+ opt = fl6_merge_options(&opt_space, flowlabel, opt);
fl.proto = proto;
rawv6_probe_proto_opt(&fl, msg);
@@ -782,10 +782,8 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
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;
- }
if (hlimit < 0) {
if (ipv6_addr_is_multicast(&fl.fl6_dst))
@@ -798,6 +796,12 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
hlimit = ipv6_get_hoplimit(dst->dev);
}
+ if (tclass < 0) {
+ tclass = np->cork.tclass;
+ if (tclass < 0)
+ tclass = 0;
+ }
+
if (msg->msg_flags&MSG_CONFIRM)
goto do_confirm;
@@ -806,8 +810,9 @@ back_from_confirm:
err = rawv6_send_hdrinc(sk, msg->msg_iov, len, &fl, (struct rt6_info*)dst, msg->msg_flags);
} else {
lock_sock(sk);
- err = ip6_append_data(sk, ip_generic_getfrag, msg->msg_iov, len, 0,
- hlimit, opt, &fl, (struct rt6_info*)dst, msg->msg_flags);
+ err = ip6_append_data(sk, ip_generic_getfrag, msg->msg_iov,
+ len, 0, hlimit, tclass, opt, &fl, (struct rt6_info*)dst,
+ msg->msg_flags);
if (err)
ip6_flush_pending_frames(sk);
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 9d9e04344c7..e4fe9ee484d 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -479,12 +479,9 @@ static void ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
/* Point into the IP datagram 'data' part. */
if (!pskb_pull(skb, (u8 *) (fhdr + 1) - skb->data))
goto err;
- if (end-offset < skb->len) {
- if (pskb_trim(skb, end - offset))
- goto err;
- if (skb->ip_summed != CHECKSUM_UNNECESSARY)
- skb->ip_summed = CHECKSUM_NONE;
- }
+
+ if (pskb_trim_rcsum(skb, end - offset))
+ goto err;
/* Find out which fragments are in front and at the back of us
* in the chain of fragments so far. We must know where to put
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 794734f1d23..80643e6b346 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -632,10 +632,8 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
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 failure;
- }
if (saddr == NULL) {
saddr = &fl.fl6_src;
@@ -849,7 +847,7 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req,
if (dst == NULL) {
opt = np->opt;
if (opt == NULL &&
- np->rxopt.bits.srcrt == 2 &&
+ np->rxopt.bits.osrcrt == 2 &&
treq->pktopts) {
struct sk_buff *pktopts = treq->pktopts;
struct inet6_skb_parm *rxopt = IP6CB(pktopts);
@@ -888,7 +886,6 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req,
}
done:
- dst_release(dst);
if (opt && opt != np->opt)
sock_kfree_s(sk, opt, opt->tot_len);
return err;
@@ -915,11 +912,10 @@ static int ipv6_opt_accepted(struct sock *sk, struct sk_buff *skb)
struct inet6_skb_parm *opt = IP6CB(skb);
if (np->rxopt.all) {
- if ((opt->hop && np->rxopt.bits.hopopts) ||
- ((IPV6_FLOWINFO_MASK&*(u32*)skb->nh.raw) &&
- np->rxopt.bits.rxflow) ||
- (opt->srcrt && np->rxopt.bits.srcrt) ||
- ((opt->dst1 || opt->dst0) && np->rxopt.bits.dstopts))
+ if ((opt->hop && (np->rxopt.bits.hopopts || np->rxopt.bits.ohopopts)) ||
+ ((IPV6_FLOWINFO_MASK & *(u32*)skb->nh.raw) && np->rxopt.bits.rxflow) ||
+ (opt->srcrt && (np->rxopt.bits.srcrt || np->rxopt.bits.osrcrt)) ||
+ ((opt->dst1 || opt->dst0) && (np->rxopt.bits.dstopts || np->rxopt.bits.odstopts)))
return 1;
}
return 0;
@@ -1001,10 +997,8 @@ static void tcp_v6_send_reset(struct sk_buff *skb)
/* sk = NULL, but it is safe for now. RST socket required. */
if (!ip6_dst_lookup(NULL, &buff->dst, &fl)) {
- if ((xfrm_lookup(&buff->dst, &fl, NULL, 0)) < 0) {
- dst_release(buff->dst);
+ if ((xfrm_lookup(&buff->dst, &fl, NULL, 0)) < 0)
return;
- }
ip6_xmit(NULL, buff, &fl, NULL, 0);
TCP_INC_STATS_BH(TCP_MIB_OUTSEGS);
@@ -1068,10 +1062,8 @@ static void tcp_v6_send_ack(struct sk_buff *skb, u32 seq, u32 ack, u32 win, u32
fl.fl_ip_sport = t1->source;
if (!ip6_dst_lookup(NULL, &buff->dst, &fl)) {
- if ((xfrm_lookup(&buff->dst, &fl, NULL, 0)) < 0) {
- dst_release(buff->dst);
+ if ((xfrm_lookup(&buff->dst, &fl, NULL, 0)) < 0)
return;
- }
ip6_xmit(NULL, buff, &fl, NULL, 0);
TCP_INC_STATS_BH(TCP_MIB_OUTSEGS);
return;
@@ -1190,8 +1182,8 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
TCP_ECN_create_request(req, skb->h.th);
treq->pktopts = NULL;
if (ipv6_opt_accepted(sk, skb) ||
- np->rxopt.bits.rxinfo ||
- np->rxopt.bits.rxhlim) {
+ np->rxopt.bits.rxinfo || np->rxopt.bits.rxoinfo ||
+ np->rxopt.bits.rxhlim || np->rxopt.bits.rxohlim) {
atomic_inc(&skb->users);
treq->pktopts = skb;
}
@@ -1288,7 +1280,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
if (sk_acceptq_is_full(sk))
goto out_overflow;
- if (np->rxopt.bits.srcrt == 2 &&
+ if (np->rxopt.bits.osrcrt == 2 &&
opt == NULL && treq->pktopts) {
struct inet6_skb_parm *rxopt = IP6CB(treq->pktopts);
if (rxopt->srcrt)
@@ -1544,9 +1536,9 @@ ipv6_pktoptions:
tp = tcp_sk(sk);
if (TCP_SKB_CB(opt_skb)->end_seq == tp->rcv_nxt &&
!((1 << sk->sk_state) & (TCPF_CLOSE | TCPF_LISTEN))) {
- if (np->rxopt.bits.rxinfo)
+ if (np->rxopt.bits.rxinfo || np->rxopt.bits.rxoinfo)
np->mcast_oif = inet6_iif(opt_skb);
- if (np->rxopt.bits.rxhlim)
+ if (np->rxopt.bits.rxhlim || np->rxopt.bits.rxohlim)
np->mcast_hops = opt_skb->nh.ipv6h->hop_limit;
if (ipv6_opt_accepted(sk, opt_skb)) {
skb_set_owner_r(opt_skb, sk);
@@ -1734,7 +1726,6 @@ static int tcp_v6_rebuild_header(struct sock *sk)
if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0) {
sk->sk_err_soft = -err;
- dst_release(dst);
return err;
}
@@ -1787,7 +1778,6 @@ static int tcp_v6_xmit(struct sk_buff *skb, int ipfragok)
if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0) {
sk->sk_route_caps = 0;
- dst_release(dst);
return err;
}
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 390d750449c..69b146843a2 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -483,7 +483,7 @@ static int udpv6_rcv(struct sk_buff **pskb, unsigned int *nhoffp)
}
if (ulen < skb->len) {
- if (__pskb_trim(skb, ulen))
+ if (pskb_trim_rcsum(skb, ulen))
goto discard;
saddr = &skb->nh.ipv6h->saddr;
daddr = &skb->nh.ipv6h->daddr;
@@ -637,6 +637,7 @@ static int udpv6_sendmsg(struct kiocb *iocb, struct sock *sk,
int addr_len = msg->msg_namelen;
int ulen = len;
int hlimit = -1;
+ int tclass = -1;
int corkreq = up->corkflag || msg->msg_flags&MSG_MORE;
int err;
@@ -758,7 +759,7 @@ do_udp_sendmsg:
memset(opt, 0, sizeof(struct ipv6_txoptions));
opt->tot_len = sizeof(*opt);
- err = datagram_send_ctl(msg, fl, opt, &hlimit);
+ err = datagram_send_ctl(msg, fl, opt, &hlimit, &tclass);
if (err < 0) {
fl6_sock_release(flowlabel);
return err;
@@ -773,8 +774,7 @@ do_udp_sendmsg:
}
if (opt == NULL)
opt = np->opt;
- if (flowlabel)
- opt = fl6_merge_options(&opt_space, flowlabel, opt);
+ opt = fl6_merge_options(&opt_space, flowlabel, opt);
fl->proto = IPPROTO_UDP;
ipv6_addr_copy(&fl->fl6_dst, daddr);
@@ -799,10 +799,8 @@ do_udp_sendmsg:
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;
- }
if (hlimit < 0) {
if (ipv6_addr_is_multicast(&fl->fl6_dst))
@@ -815,6 +813,12 @@ do_udp_sendmsg:
hlimit = ipv6_get_hoplimit(dst->dev);
}
+ if (tclass < 0) {
+ tclass = np->tclass;
+ if (tclass < 0)
+ tclass = 0;
+ }
+
if (msg->msg_flags&MSG_CONFIRM)
goto do_confirm;
back_from_confirm:
@@ -834,9 +838,10 @@ back_from_confirm:
do_append_data:
up->len += ulen;
- err = ip6_append_data(sk, ip_generic_getfrag, msg->msg_iov, ulen, sizeof(struct udphdr),
- hlimit, opt, fl, (struct rt6_info*)dst,
- corkreq ? msg->msg_flags|MSG_MORE : msg->msg_flags);
+ err = ip6_append_data(sk, ip_generic_getfrag, msg->msg_iov, ulen,
+ sizeof(struct udphdr), hlimit, tclass, opt, fl,
+ (struct rt6_info*)dst,
+ corkreq ? msg->msg_flags|MSG_MORE : msg->msg_flags);
if (err)
udp_v6_flush_pending_frames(sk);
else if (!corkreq)
diff --git a/net/rose/rose_subr.c b/net/rose/rose_subr.c
index 02891ce2db3..36a77944622 100644
--- a/net/rose/rose_subr.c
+++ b/net/rose/rose_subr.c
@@ -337,13 +337,13 @@ static int rose_parse_ccitt(unsigned char *p, struct rose_facilities_struct *fac
memcpy(&facilities->source_addr, p + 7, ROSE_ADDR_LEN);
memcpy(callsign, p + 12, l - 10);
callsign[l - 10] = '\0';
- facilities->source_call = *asc2ax(callsign);
+ asc2ax(&facilities->source_call, callsign);
}
if (*p == FAC_CCITT_SRC_NSAP) {
memcpy(&facilities->dest_addr, p + 7, ROSE_ADDR_LEN);
memcpy(callsign, p + 12, l - 10);
callsign[l - 10] = '\0';
- facilities->dest_call = *asc2ax(callsign);
+ asc2ax(&facilities->dest_call, callsign);
}
p += l + 2;
n += l + 2;
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 83c8135e176..fda737d77ed 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -765,8 +765,8 @@ restart:
switch (policy->action) {
case XFRM_POLICY_BLOCK:
/* Prohibit the flow */
- xfrm_pol_put(policy);
- return -EPERM;
+ err = -EPERM;
+ goto error;
case XFRM_POLICY_ALLOW:
if (policy->xfrm_nr == 0) {
@@ -782,8 +782,8 @@ restart:
*/
dst = xfrm_find_bundle(fl, policy, family);
if (IS_ERR(dst)) {
- xfrm_pol_put(policy);
- return PTR_ERR(dst);
+ err = PTR_ERR(dst);
+ goto error;
}
if (dst)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 13:21:30 +0000