Merge git://git.skbuff.net/gitroot/yoshfuji/linux-2.6-git-rfc3542
This commit is contained in:
David S. Miller
Коммит
2e66fc4116
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@ -148,13 +148,13 @@ struct in6_flowlabel_req
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*/
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#define IPV6_ADDRFORM 1
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#define IPV6_PKTINFO 2
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#define IPV6_HOPOPTS 3
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#define IPV6_DSTOPTS 4
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#define IPV6_RTHDR 5
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#define IPV6_PKTOPTIONS 6
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#define IPV6_2292PKTINFO 2
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#define IPV6_2292HOPOPTS 3
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#define IPV6_2292DSTOPTS 4
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#define IPV6_2292RTHDR 5
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#define IPV6_2292PKTOPTIONS 6
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#define IPV6_CHECKSUM 7
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#define IPV6_HOPLIMIT 8
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#define IPV6_2292HOPLIMIT 8
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#define IPV6_NEXTHOP 9
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#define IPV6_AUTHHDR 10 /* obsolete */
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#define IPV6_FLOWINFO 11
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@ -198,4 +198,28 @@ struct in6_flowlabel_req
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* MCAST_MSFILTER 48
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*/
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/* RFC3542 advanced socket options (50-67) */
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#define IPV6_RECVPKTINFO 50
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#define IPV6_PKTINFO 51
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#if 0
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#define IPV6_RECVPATHMTU 52
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#define IPV6_PATHMTU 53
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#define IPV6_DONTFRAG 54
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#define IPV6_USE_MIN_MTU 55
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#endif
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#define IPV6_RECVHOPOPTS 56
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#define IPV6_HOPOPTS 57
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#if 0
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#define IPV6_RECVRTHDRDSTOPTS 58 /* Unused, see net/ipv6/datagram.c */
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#endif
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#define IPV6_RTHDRDSTOPTS 59
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#define IPV6_RECVRTHDR 60
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#define IPV6_RTHDR 61
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#define IPV6_RECVDSTOPTS 62
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#define IPV6_DSTOPTS 63
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#define IPV6_RECVHOPLIMIT 64
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#define IPV6_HOPLIMIT 65
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#define IPV6_RECVTCLASS 66
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#define IPV6_TCLASS 67
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#endif
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@ -189,6 +189,7 @@ struct inet6_skb_parm {
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__u16 dst0;
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__u16 srcrt;
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__u16 dst1;
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__u16 lastopt;
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};
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#define IP6CB(skb) ((struct inet6_skb_parm*)((skb)->cb))
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@ -234,14 +235,20 @@ struct ipv6_pinfo {
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/* pktoption flags */
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union {
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struct {
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__u8 srcrt:2,
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__u16 srcrt:2,
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osrcrt:2,
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rxinfo:1,
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rxoinfo:1,
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rxhlim:1,
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rxohlim:1,
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hopopts:1,
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ohopopts:1,
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dstopts:1,
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rxflow:1;
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odstopts:1,
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rxflow:1,
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rxtclass:1;
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} bits;
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__u8 all;
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__u16 all;
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} rxopt;
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/* sockopt flags */
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@ -250,6 +257,7 @@ struct ipv6_pinfo {
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sndflow:1,
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pmtudisc:2,
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ipv6only:1;
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__u8 tclass;
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__u32 dst_cookie;
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@ -263,6 +271,7 @@ struct ipv6_pinfo {
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struct ipv6_txoptions *opt;
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struct rt6_info *rt;
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int hop_limit;
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int tclass;
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} cork;
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};
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@ -233,6 +233,10 @@ extern int ip6_ra_control(struct sock *sk, int sel,
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extern int ipv6_parse_hopopts(struct sk_buff *skb, int);
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extern struct ipv6_txoptions * ipv6_dup_options(struct sock *sk, struct ipv6_txoptions *opt);
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extern struct ipv6_txoptions * ipv6_renew_options(struct sock *sk, struct ipv6_txoptions *opt,
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int newtype,
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struct ipv6_opt_hdr __user *newopt,
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int newoptlen);
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extern int ip6_frag_nqueues;
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extern atomic_t ip6_frag_mem;
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@ -373,6 +377,7 @@ extern int ip6_append_data(struct sock *sk,
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int length,
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int transhdrlen,
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int hlimit,
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int tclass,
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struct ipv6_txoptions *opt,
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struct flowi *fl,
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struct rt6_info *rt,
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@ -37,7 +37,7 @@ extern int datagram_recv_ctl(struct sock *sk,
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extern int datagram_send_ctl(struct msghdr *msg,
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struct flowi *fl,
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struct ipv6_txoptions *opt,
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int *hlimit);
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int *hlimit, int *tclass);
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#define LOOPBACK4_IPV6 __constant_htonl(0x7f000006)
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@ -390,32 +390,101 @@ int datagram_recv_ctl(struct sock *sk, struct msghdr *msg, struct sk_buff *skb)
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put_cmsg(msg, SOL_IPV6, IPV6_HOPLIMIT, sizeof(hlim), &hlim);
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}
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if (np->rxopt.bits.rxtclass) {
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int tclass = (ntohl(*(u32 *)skb->nh.ipv6h) >> 20) & 0xff;
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put_cmsg(msg, SOL_IPV6, IPV6_TCLASS, sizeof(tclass), &tclass);
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}
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if (np->rxopt.bits.rxflow && (*(u32*)skb->nh.raw & IPV6_FLOWINFO_MASK)) {
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u32 flowinfo = *(u32*)skb->nh.raw & IPV6_FLOWINFO_MASK;
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put_cmsg(msg, SOL_IPV6, IPV6_FLOWINFO, sizeof(flowinfo), &flowinfo);
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}
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/* HbH is allowed only once */
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if (np->rxopt.bits.hopopts && opt->hop) {
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u8 *ptr = skb->nh.raw + opt->hop;
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put_cmsg(msg, SOL_IPV6, IPV6_HOPOPTS, (ptr[1]+1)<<3, ptr);
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}
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if (np->rxopt.bits.dstopts && opt->dst0) {
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if (opt->lastopt &&
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(np->rxopt.bits.dstopts || np->rxopt.bits.srcrt)) {
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/*
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* Silly enough, but we need to reparse in order to
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* report extension headers (except for HbH)
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* in order.
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*
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* Also note that IPV6_RECVRTHDRDSTOPTS is NOT
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* (and WILL NOT be) defined because
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* IPV6_RECVDSTOPTS is more generic. --yoshfuji
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*/
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unsigned int off = sizeof(struct ipv6hdr);
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u8 nexthdr = skb->nh.ipv6h->nexthdr;
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while (off <= opt->lastopt) {
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unsigned len;
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u8 *ptr = skb->nh.raw + off;
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switch(nexthdr) {
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case IPPROTO_DSTOPTS:
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nexthdr = ptr[0];
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len = (ptr[1] + 1) << 3;
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if (np->rxopt.bits.dstopts)
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put_cmsg(msg, SOL_IPV6, IPV6_DSTOPTS, len, ptr);
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break;
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case IPPROTO_ROUTING:
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nexthdr = ptr[0];
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len = (ptr[1] + 1) << 3;
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if (np->rxopt.bits.srcrt)
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put_cmsg(msg, SOL_IPV6, IPV6_RTHDR, len, ptr);
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break;
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case IPPROTO_AH:
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nexthdr = ptr[0];
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len = (ptr[1] + 1) << 2;
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break;
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default:
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nexthdr = ptr[0];
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len = (ptr[1] + 1) << 3;
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break;
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}
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off += len;
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}
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}
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/* socket options in old style */
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if (np->rxopt.bits.rxoinfo) {
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struct in6_pktinfo src_info;
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src_info.ipi6_ifindex = opt->iif;
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ipv6_addr_copy(&src_info.ipi6_addr, &skb->nh.ipv6h->daddr);
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put_cmsg(msg, SOL_IPV6, IPV6_2292PKTINFO, sizeof(src_info), &src_info);
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}
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if (np->rxopt.bits.rxohlim) {
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int hlim = skb->nh.ipv6h->hop_limit;
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put_cmsg(msg, SOL_IPV6, IPV6_2292HOPLIMIT, sizeof(hlim), &hlim);
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}
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if (np->rxopt.bits.ohopopts && opt->hop) {
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u8 *ptr = skb->nh.raw + opt->hop;
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put_cmsg(msg, SOL_IPV6, IPV6_2292HOPOPTS, (ptr[1]+1)<<3, ptr);
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}
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if (np->rxopt.bits.odstopts && opt->dst0) {
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u8 *ptr = skb->nh.raw + opt->dst0;
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put_cmsg(msg, SOL_IPV6, IPV6_DSTOPTS, (ptr[1]+1)<<3, ptr);
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put_cmsg(msg, SOL_IPV6, IPV6_2292DSTOPTS, (ptr[1]+1)<<3, ptr);
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}
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if (np->rxopt.bits.srcrt && opt->srcrt) {
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if (np->rxopt.bits.osrcrt && opt->srcrt) {
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struct ipv6_rt_hdr *rthdr = (struct ipv6_rt_hdr *)(skb->nh.raw + opt->srcrt);
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put_cmsg(msg, SOL_IPV6, IPV6_RTHDR, (rthdr->hdrlen+1) << 3, rthdr);
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put_cmsg(msg, SOL_IPV6, IPV6_2292RTHDR, (rthdr->hdrlen+1) << 3, rthdr);
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}
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if (np->rxopt.bits.dstopts && opt->dst1) {
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if (np->rxopt.bits.odstopts && opt->dst1) {
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u8 *ptr = skb->nh.raw + opt->dst1;
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put_cmsg(msg, SOL_IPV6, IPV6_DSTOPTS, (ptr[1]+1)<<3, ptr);
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put_cmsg(msg, SOL_IPV6, IPV6_2292DSTOPTS, (ptr[1]+1)<<3, ptr);
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}
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return 0;
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}
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int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
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struct ipv6_txoptions *opt,
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int *hlimit)
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int *hlimit, int *tclass)
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{
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struct in6_pktinfo *src_info;
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struct cmsghdr *cmsg;
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@ -438,6 +507,7 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
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switch (cmsg->cmsg_type) {
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case IPV6_PKTINFO:
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case IPV6_2292PKTINFO:
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if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct in6_pktinfo))) {
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err = -EINVAL;
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goto exit_f;
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@ -492,6 +562,7 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
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fl->fl6_flowlabel = IPV6_FLOWINFO_MASK & *(u32 *)CMSG_DATA(cmsg);
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break;
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case IPV6_2292HOPOPTS:
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case IPV6_HOPOPTS:
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if (opt->hopopt || cmsg->cmsg_len < CMSG_LEN(sizeof(struct ipv6_opt_hdr))) {
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err = -EINVAL;
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@ -512,7 +583,7 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
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opt->hopopt = hdr;
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break;
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case IPV6_DSTOPTS:
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case IPV6_2292DSTOPTS:
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if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct ipv6_opt_hdr))) {
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err = -EINVAL;
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goto exit_f;
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@ -536,6 +607,33 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
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opt->dst1opt = hdr;
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break;
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case IPV6_DSTOPTS:
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case IPV6_RTHDRDSTOPTS:
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if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct ipv6_opt_hdr))) {
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err = -EINVAL;
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goto exit_f;
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}
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|
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hdr = (struct ipv6_opt_hdr *)CMSG_DATA(cmsg);
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len = ((hdr->hdrlen + 1) << 3);
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if (cmsg->cmsg_len < CMSG_LEN(len)) {
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err = -EINVAL;
|
||||
goto exit_f;
|
||||
}
|
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if (!capable(CAP_NET_RAW)) {
|
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err = -EPERM;
|
||||
goto exit_f;
|
||||
}
|
||||
if (cmsg->cmsg_type == IPV6_DSTOPTS) {
|
||||
opt->opt_flen += len;
|
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opt->dst1opt = hdr;
|
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} else {
|
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opt->opt_nflen += len;
|
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opt->dst0opt = hdr;
|
||||
}
|
||||
break;
|
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|
||||
case IPV6_2292RTHDR:
|
||||
case IPV6_RTHDR:
|
||||
if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct ipv6_rt_hdr))) {
|
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err = -EINVAL;
|
||||
|
|
@ -568,7 +666,7 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
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|||
opt->opt_nflen += len;
|
||||
opt->srcrt = rthdr;
|
||||
|
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if (opt->dst1opt) {
|
||||
if (cmsg->cmsg_type == IPV6_2292RTHDR && opt->dst1opt) {
|
||||
int dsthdrlen = ((opt->dst1opt->hdrlen+1)<<3);
|
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|
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opt->opt_nflen += dsthdrlen;
|
||||
|
|
@ -579,6 +677,7 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
|
|||
|
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break;
|
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|
||||
case IPV6_2292HOPLIMIT:
|
||||
case IPV6_HOPLIMIT:
|
||||
if (cmsg->cmsg_len != CMSG_LEN(sizeof(int))) {
|
||||
err = -EINVAL;
|
||||
|
|
@ -588,6 +687,24 @@ 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);
|
||||
|
|
|
|||
|
|
@ -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;
|
||||
|
|
@ -538,10 +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);
|
||||
}
|
||||
|
|
@ -572,3 +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);
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -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)
|
||||
|
|
@ -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;
|
||||
|
||||
|
|
@ -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) {
|
||||
|
|
|
|||
|
|
@ -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;
|
||||
|
|
|
|||
|
|
@ -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));
|
||||
|
|
|
|||
|
|
@ -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;
|
||||
|
|
|
|||
|
|
@ -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);
|
||||
|
|
@ -798,6 +798,12 @@ 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 +812,9 @@ 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);
|
||||
|
|
|
|||
|
|
@ -849,7 +849,7 @@ 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);
|
||||
|
|
@ -915,11 +915,10 @@ 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;
|
||||
|
|
@ -1190,8 +1189,8 @@ 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 +1287,7 @@ 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 +1543,9 @@ 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);
|
||||
|
|
|
|||
|
|
@ -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);
|
||||
|
|
@ -815,6 +815,12 @@ 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 +840,10 @@ 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)
|
||||
|
|
|
|||
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Ссылка в новой задаче