diff options
Diffstat (limited to 'net/sched/cls_rsvp.h')
-rw-r--r-- | net/sched/cls_rsvp.h | 69 |
1 files changed, 33 insertions, 36 deletions
diff --git a/net/sched/cls_rsvp.h b/net/sched/cls_rsvp.h index 22f9ede70e8..7034ea4530e 100644 --- a/net/sched/cls_rsvp.h +++ b/net/sched/cls_rsvp.h @@ -397,17 +397,26 @@ static u32 gen_tunnel(struct rsvp_head *data) return 0; } +static const struct nla_policy rsvp_policy[TCA_RSVP_MAX + 1] = { + [TCA_RSVP_CLASSID] = { .type = NLA_U32 }, + [TCA_RSVP_DST] = { .type = NLA_BINARY, + .len = RSVP_DST_LEN * sizeof(u32) }, + [TCA_RSVP_SRC] = { .type = NLA_BINARY, + .len = RSVP_DST_LEN * sizeof(u32) }, + [TCA_RSVP_PINFO] = { .len = sizeof(struct tc_rsvp_pinfo) }, +}; + static int rsvp_change(struct tcf_proto *tp, unsigned long base, u32 handle, - struct rtattr **tca, + struct nlattr **tca, unsigned long *arg) { struct rsvp_head *data = tp->root; struct rsvp_filter *f, **fp; struct rsvp_session *s, **sp; struct tc_rsvp_pinfo *pinfo = NULL; - struct rtattr *opt = tca[TCA_OPTIONS-1]; - struct rtattr *tb[TCA_RSVP_MAX]; + struct nlattr *opt = tca[TCA_OPTIONS-1]; + struct nlattr *tb[TCA_RSVP_MAX + 1]; struct tcf_exts e; unsigned h1, h2; __be32 *dst; @@ -416,8 +425,9 @@ static int rsvp_change(struct tcf_proto *tp, unsigned long base, if (opt == NULL) return handle ? -EINVAL : 0; - if (rtattr_parse_nested(tb, TCA_RSVP_MAX, opt) < 0) - return -EINVAL; + err = nla_parse_nested(tb, TCA_RSVP_MAX, opt, rsvp_policy); + if (err < 0) + return err; err = tcf_exts_validate(tp, tb, tca[TCA_RATE-1], &e, &rsvp_ext_map); if (err < 0) @@ -429,7 +439,7 @@ static int rsvp_change(struct tcf_proto *tp, unsigned long base, if (f->handle != handle && handle) goto errout2; if (tb[TCA_RSVP_CLASSID-1]) { - f->res.classid = *(u32*)RTA_DATA(tb[TCA_RSVP_CLASSID-1]); + f->res.classid = nla_get_u32(tb[TCA_RSVP_CLASSID-1]); tcf_bind_filter(tp, &f->res, base); } @@ -451,31 +461,18 @@ static int rsvp_change(struct tcf_proto *tp, unsigned long base, h2 = 16; if (tb[TCA_RSVP_SRC-1]) { - err = -EINVAL; - if (RTA_PAYLOAD(tb[TCA_RSVP_SRC-1]) != sizeof(f->src)) - goto errout; - memcpy(f->src, RTA_DATA(tb[TCA_RSVP_SRC-1]), sizeof(f->src)); + memcpy(f->src, nla_data(tb[TCA_RSVP_SRC-1]), sizeof(f->src)); h2 = hash_src(f->src); } if (tb[TCA_RSVP_PINFO-1]) { - err = -EINVAL; - if (RTA_PAYLOAD(tb[TCA_RSVP_PINFO-1]) < sizeof(struct tc_rsvp_pinfo)) - goto errout; - pinfo = RTA_DATA(tb[TCA_RSVP_PINFO-1]); + pinfo = nla_data(tb[TCA_RSVP_PINFO-1]); f->spi = pinfo->spi; f->tunnelhdr = pinfo->tunnelhdr; } - if (tb[TCA_RSVP_CLASSID-1]) { - err = -EINVAL; - if (RTA_PAYLOAD(tb[TCA_RSVP_CLASSID-1]) != 4) - goto errout; - f->res.classid = *(u32*)RTA_DATA(tb[TCA_RSVP_CLASSID-1]); - } + if (tb[TCA_RSVP_CLASSID-1]) + f->res.classid = nla_get_u32(tb[TCA_RSVP_CLASSID-1]); - err = -EINVAL; - if (RTA_PAYLOAD(tb[TCA_RSVP_DST-1]) != sizeof(f->src)) - goto errout; - dst = RTA_DATA(tb[TCA_RSVP_DST-1]); + dst = nla_data(tb[TCA_RSVP_DST-1]); h1 = hash_dst(dst, pinfo ? pinfo->protocol : 0, pinfo ? pinfo->tunnelid : 0); err = -ENOMEM; @@ -594,7 +591,7 @@ static int rsvp_dump(struct tcf_proto *tp, unsigned long fh, struct rsvp_filter *f = (struct rsvp_filter*)fh; struct rsvp_session *s; unsigned char *b = skb_tail_pointer(skb); - struct rtattr *rta; + struct nlattr *nest; struct tc_rsvp_pinfo pinfo; if (f == NULL) @@ -603,33 +600,33 @@ static int rsvp_dump(struct tcf_proto *tp, unsigned long fh, t->tcm_handle = f->handle; + nest = nla_nest_start(skb, TCA_OPTIONS); + if (nest == NULL) + goto nla_put_failure; - rta = (struct rtattr*)b; - RTA_PUT(skb, TCA_OPTIONS, 0, NULL); - - RTA_PUT(skb, TCA_RSVP_DST, sizeof(s->dst), &s->dst); + NLA_PUT(skb, TCA_RSVP_DST, sizeof(s->dst), &s->dst); pinfo.dpi = s->dpi; pinfo.spi = f->spi; pinfo.protocol = s->protocol; pinfo.tunnelid = s->tunnelid; pinfo.tunnelhdr = f->tunnelhdr; pinfo.pad = 0; - RTA_PUT(skb, TCA_RSVP_PINFO, sizeof(pinfo), &pinfo); + NLA_PUT(skb, TCA_RSVP_PINFO, sizeof(pinfo), &pinfo); if (f->res.classid) - RTA_PUT(skb, TCA_RSVP_CLASSID, 4, &f->res.classid); + NLA_PUT_U32(skb, TCA_RSVP_CLASSID, f->res.classid); if (((f->handle>>8)&0xFF) != 16) - RTA_PUT(skb, TCA_RSVP_SRC, sizeof(f->src), f->src); + NLA_PUT(skb, TCA_RSVP_SRC, sizeof(f->src), f->src); if (tcf_exts_dump(skb, &f->exts, &rsvp_ext_map) < 0) - goto rtattr_failure; + goto nla_put_failure; - rta->rta_len = skb_tail_pointer(skb) - b; + nla_nest_end(skb, nest); if (tcf_exts_dump_stats(skb, &f->exts, &rsvp_ext_map) < 0) - goto rtattr_failure; + goto nla_put_failure; return skb->len; -rtattr_failure: +nla_put_failure: nlmsg_trim(skb, b); return -1; } |