diff options
author | Paul Mackerras <paulus@samba.org> | 2008-01-31 11:25:51 +1100 |
---|---|---|
committer | Paul Mackerras <paulus@samba.org> | 2008-01-31 11:25:51 +1100 |
commit | bd45ac0c5daae35e7c71138172e63df5cf644cf6 (patch) | |
tree | 5eb5a599bf6a9d7a8a34e802db932aa9e9555de4 /net/sched/em_meta.c | |
parent | 4eece4ccf997c0e6d8fdad3d842e37b16b8d705f (diff) | |
parent | 5bdeae46be6dfe9efa44a548bd622af325f4bdb4 (diff) |
Merge branch 'linux-2.6'
Diffstat (limited to 'net/sched/em_meta.c')
-rw-r--r-- | net/sched/em_meta.c | 64 |
1 files changed, 34 insertions, 30 deletions
diff --git a/net/sched/em_meta.c b/net/sched/em_meta.c index ceda8890ab0..a1e5619b187 100644 --- a/net/sched/em_meta.c +++ b/net/sched/em_meta.c @@ -542,11 +542,11 @@ static int meta_var_compare(struct meta_obj *a, struct meta_obj *b) return r; } -static int meta_var_change(struct meta_value *dst, struct rtattr *rta) +static int meta_var_change(struct meta_value *dst, struct nlattr *nla) { - int len = RTA_PAYLOAD(rta); + int len = nla_len(nla); - dst->val = (unsigned long)kmemdup(RTA_DATA(rta), len, GFP_KERNEL); + dst->val = (unsigned long)kmemdup(nla_data(nla), len, GFP_KERNEL); if (dst->val == 0UL) return -ENOMEM; dst->len = len; @@ -570,10 +570,10 @@ static void meta_var_apply_extras(struct meta_value *v, static int meta_var_dump(struct sk_buff *skb, struct meta_value *v, int tlv) { if (v->val && v->len) - RTA_PUT(skb, tlv, v->len, (void *) v->val); + NLA_PUT(skb, tlv, v->len, (void *) v->val); return 0; -rtattr_failure: +nla_put_failure: return -1; } @@ -594,13 +594,13 @@ static int meta_int_compare(struct meta_obj *a, struct meta_obj *b) return 1; } -static int meta_int_change(struct meta_value *dst, struct rtattr *rta) +static int meta_int_change(struct meta_value *dst, struct nlattr *nla) { - if (RTA_PAYLOAD(rta) >= sizeof(unsigned long)) { - dst->val = *(unsigned long *) RTA_DATA(rta); + if (nla_len(nla) >= sizeof(unsigned long)) { + dst->val = *(unsigned long *) nla_data(nla); dst->len = sizeof(unsigned long); - } else if (RTA_PAYLOAD(rta) == sizeof(u32)) { - dst->val = *(u32 *) RTA_DATA(rta); + } else if (nla_len(nla) == sizeof(u32)) { + dst->val = nla_get_u32(nla); dst->len = sizeof(u32); } else return -EINVAL; @@ -621,15 +621,14 @@ static void meta_int_apply_extras(struct meta_value *v, static int meta_int_dump(struct sk_buff *skb, struct meta_value *v, int tlv) { if (v->len == sizeof(unsigned long)) - RTA_PUT(skb, tlv, sizeof(unsigned long), &v->val); + NLA_PUT(skb, tlv, sizeof(unsigned long), &v->val); else if (v->len == sizeof(u32)) { - u32 d = v->val; - RTA_PUT(skb, tlv, sizeof(d), &d); + NLA_PUT_U32(skb, tlv, v->val); } return 0; -rtattr_failure: +nla_put_failure: return -1; } @@ -641,7 +640,7 @@ struct meta_type_ops { void (*destroy)(struct meta_value *); int (*compare)(struct meta_obj *, struct meta_obj *); - int (*change)(struct meta_value *, struct rtattr *); + int (*change)(struct meta_value *, struct nlattr *); void (*apply_extras)(struct meta_value *, struct meta_obj *); int (*dump)(struct sk_buff *, struct meta_value *, int); }; @@ -729,13 +728,13 @@ static inline void meta_delete(struct meta_match *meta) kfree(meta); } -static inline int meta_change_data(struct meta_value *dst, struct rtattr *rta) +static inline int meta_change_data(struct meta_value *dst, struct nlattr *nla) { - if (rta) { - if (RTA_PAYLOAD(rta) == 0) + if (nla) { + if (nla_len(nla) == 0) return -EINVAL; - return meta_type_ops(dst)->change(dst, rta); + return meta_type_ops(dst)->change(dst, nla); } return 0; @@ -746,21 +745,26 @@ static inline int meta_is_supported(struct meta_value *val) return (!meta_id(val) || meta_ops(val)->get); } +static const struct nla_policy meta_policy[TCA_EM_META_MAX + 1] = { + [TCA_EM_META_HDR] = { .len = sizeof(struct tcf_meta_hdr) }, +}; + static int em_meta_change(struct tcf_proto *tp, void *data, int len, struct tcf_ematch *m) { - int err = -EINVAL; - struct rtattr *tb[TCA_EM_META_MAX]; + int err; + struct nlattr *tb[TCA_EM_META_MAX + 1]; struct tcf_meta_hdr *hdr; struct meta_match *meta = NULL; - if (rtattr_parse(tb, TCA_EM_META_MAX, data, len) < 0) + err = nla_parse(tb, TCA_EM_META_MAX, data, len, meta_policy); + if (err < 0) goto errout; - if (tb[TCA_EM_META_HDR-1] == NULL || - RTA_PAYLOAD(tb[TCA_EM_META_HDR-1]) < sizeof(*hdr)) + err = -EINVAL; + if (tb[TCA_EM_META_HDR] == NULL) goto errout; - hdr = RTA_DATA(tb[TCA_EM_META_HDR-1]); + hdr = nla_data(tb[TCA_EM_META_HDR]); if (TCF_META_TYPE(hdr->left.kind) != TCF_META_TYPE(hdr->right.kind) || TCF_META_TYPE(hdr->left.kind) > TCF_META_TYPE_MAX || @@ -781,8 +785,8 @@ static int em_meta_change(struct tcf_proto *tp, void *data, int len, goto errout; } - if (meta_change_data(&meta->lvalue, tb[TCA_EM_META_LVALUE-1]) < 0 || - meta_change_data(&meta->rvalue, tb[TCA_EM_META_RVALUE-1]) < 0) + if (meta_change_data(&meta->lvalue, tb[TCA_EM_META_LVALUE]) < 0 || + meta_change_data(&meta->rvalue, tb[TCA_EM_META_RVALUE]) < 0) goto errout; m->datalen = sizeof(*meta); @@ -811,16 +815,16 @@ static int em_meta_dump(struct sk_buff *skb, struct tcf_ematch *em) memcpy(&hdr.left, &meta->lvalue.hdr, sizeof(hdr.left)); memcpy(&hdr.right, &meta->rvalue.hdr, sizeof(hdr.right)); - RTA_PUT(skb, TCA_EM_META_HDR, sizeof(hdr), &hdr); + NLA_PUT(skb, TCA_EM_META_HDR, sizeof(hdr), &hdr); ops = meta_type_ops(&meta->lvalue); if (ops->dump(skb, &meta->lvalue, TCA_EM_META_LVALUE) < 0 || ops->dump(skb, &meta->rvalue, TCA_EM_META_RVALUE) < 0) - goto rtattr_failure; + goto nla_put_failure; return 0; -rtattr_failure: +nla_put_failure: return -1; } |