diff options
Diffstat (limited to 'datapath/linux/compat/include')
| -rw-r--r-- | datapath/linux/compat/include/net/netfilter/nf_conntrack_labels.h | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/datapath/linux/compat/include/net/netfilter/nf_conntrack_labels.h b/datapath/linux/compat/include/net/netfilter/nf_conntrack_labels.h index a594a0fee..31507c45f 100644 --- a/datapath/linux/compat/include/net/netfilter/nf_conntrack_labels.h +++ b/datapath/linux/compat/include/net/netfilter/nf_conntrack_labels.h @@ -5,7 +5,7 @@ #include <linux/version.h> #include_next <net/netfilter/nf_conntrack_labels.h> -#ifndef HAVE_NF_CONNLABELS_GET +#ifndef HAVE_NF_CONNLABELS_GET_TAKES_BIT #if IS_ENABLED(CONFIG_NF_CONNTRACK_LABELS) #ifndef NF_CT_LABELS_MAX_SIZE @@ -14,36 +14,45 @@ /* XXX: This doesn't lock others out from doing the same configuration * simultaneously. */ -static inline int nf_connlabels_get(struct net *net, unsigned int n_bits) +static inline int rpl_nf_connlabels_get(struct net *net, unsigned int bits) { +#ifndef HAVE_NF_CONNLABELS_GET size_t words; - if (n_bits > (NF_CT_LABELS_MAX_SIZE * BITS_PER_BYTE)) + words = BIT_WORD(bits) + 1; + if (words > NF_CT_LABELS_MAX_SIZE / sizeof(long)) return -ERANGE; - words = BITS_TO_LONGS(n_bits); - net->ct.labels_used++; if (words > net->ct.label_words) net->ct.label_words = words; return 0; +#else + return nf_connlabels_get(net, bits + 1); +#endif /* HAVE_NF_CONNLABELS_GET */ } +#define nf_connlabels_get rpl_nf_connlabels_get -static inline void nf_connlabels_put(struct net *net) +static inline void rpl_nf_connlabels_put(struct net *net) { +#ifndef HAVE_NF_CONNLABELS_GET net->ct.labels_used--; if (net->ct.labels_used == 0) net->ct.label_words = 0; +#else + nf_connlabels_put(net); +#endif /* HAVE_NF_CONNLABELS_GET */ } +#define nf_connlabels_put rpl_nf_connlabels_put #else /* CONFIG_NF_CONNTRACK_LABELS */ -static inline int nf_connlabels_get(struct net *net, unsigned int n_bits) +static inline int nf_connlabels_get(struct net *net, unsigned int bits) { return -ERANGE; } static inline void nf_connlabels_put(struct net *net) { } #endif /* CONFIG_NF_CONNTRACK_LABELS */ -#endif /* HAVE_NF_CONNLABELS_GET */ +#endif /* HAVE_NF_CONNLABELS_GET_TAKES_BIT */ #endif /* _NF_CONNTRACK_LABELS_WRAPPER_H */ |