diff options
| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2014-04-08 12:32:14 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2014-05-19 12:13:50 +0200 |
| commit | 26298a9ffc2e216fb6d349b398bf903dd08a1b08 (patch) | |
| tree | 7ca1eae092dcef9ffa51a37844caf863df89a7ad /src/set.c | |
| parent | 2a288a38da25f5b2f0a4083a5158ba80d6bb8360 (diff) | |
set: add set ID support
Add the set ID (u32) which allows us to uniquely identify the set
in the batch that is sent to kernel-space.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src/set.c')
| -rw-r--r-- | src/set.c | 14 |
1 files changed, 14 insertions, 0 deletions
@@ -87,6 +87,7 @@ void nft_set_attr_unset(struct nft_set *s, uint16_t attr) case NFT_SET_ATTR_DATA_TYPE: case NFT_SET_ATTR_DATA_LEN: case NFT_SET_ATTR_FAMILY: + case NFT_SET_ATTR_ID: break; default: return; @@ -144,6 +145,9 @@ void nft_set_attr_set_data(struct nft_set *s, uint16_t attr, const void *data, case NFT_SET_ATTR_FAMILY: s->family = *((uint32_t *)data); break; + case NFT_SET_ATTR_ID: + s->id = *((uint32_t *)data); + break; } s->flags |= (1 << attr); } @@ -196,6 +200,9 @@ const void *nft_set_attr_get_data(struct nft_set *s, uint16_t attr, case NFT_SET_ATTR_FAMILY: *data_len = sizeof(uint32_t); return &s->family; + case NFT_SET_ATTR_ID: + *data_len = sizeof(uint32_t); + return &s->id; } return NULL; } @@ -242,6 +249,8 @@ void nft_set_nlmsg_build_payload(struct nlmsghdr *nlh, struct nft_set *s) mnl_attr_put_u32(nlh, NFTA_SET_DATA_TYPE, htonl(s->data_type)); if (s->flags & (1 << NFT_SET_ATTR_DATA_LEN)) mnl_attr_put_u32(nlh, NFTA_SET_DATA_LEN, htonl(s->data_len)); + if (s->flags & (1 << NFT_SET_ATTR_ID)) + mnl_attr_put_u32(nlh, NFTA_SET_ID, htonl(s->id)); } EXPORT_SYMBOL(nft_set_nlmsg_build_payload); @@ -266,6 +275,7 @@ static int nft_set_parse_attr_cb(const struct nlattr *attr, void *data) case NFTA_SET_KEY_LEN: case NFTA_SET_DATA_TYPE: case NFTA_SET_DATA_LEN: + case NFTA_SET_ID: if (mnl_attr_validate(attr, MNL_TYPE_U32) < 0) { perror("mnl_attr_validate"); return MNL_CB_ERROR; @@ -313,6 +323,10 @@ int nft_set_nlmsg_parse(const struct nlmsghdr *nlh, struct nft_set *s) s->data_len = ntohl(mnl_attr_get_u32(tb[NFTA_SET_DATA_LEN])); s->flags |= (1 << NFT_SET_ATTR_DATA_LEN); } + if (tb[NFTA_SET_ID]) { + s->id = ntohl(mnl_attr_get_u32(tb[NFTA_SET_ID])); + s->flags |= (1 << NFT_SET_ATTR_ID); + } s->family = nfg->nfgen_family; s->flags |= (1 << NFT_SET_ATTR_FAMILY); |