From b1e6bc9cbffd7a3657734cc7b39f771c74d587c2 Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Thu, 26 Mar 2015 13:10:19 +0000 Subject: set: add support for set timeouts Signed-off-by: Patrick McHardy Signed-off-by: Pablo Neira Ayuso --- src/libnftnl.map | 2 ++ src/set.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 52 insertions(+) (limited to 'src') diff --git a/src/libnftnl.map b/src/libnftnl.map index c0b2031..84018a7 100644 --- a/src/libnftnl.map +++ b/src/libnftnl.map @@ -124,10 +124,12 @@ global: nft_set_attr_is_set; nft_set_attr_set; nft_set_attr_set_u32; + nft_set_attr_set_u64; nft_set_attr_set_str; nft_set_attr_get; nft_set_attr_get_str; nft_set_attr_get_u32; + nft_set_attr_get_u64; nft_set_nlmsg_build_payload; nft_set_nlmsg_parse; nft_set_parse; diff --git a/src/set.c b/src/set.c index 70b4bc6..d58c9e1 100644 --- a/src/set.c +++ b/src/set.c @@ -88,6 +88,8 @@ void nft_set_attr_unset(struct nft_set *s, uint16_t attr) case NFT_SET_ATTR_ID: case NFT_SET_ATTR_POLICY: case NFT_SET_ATTR_DESC_SIZE: + case NFT_SET_ATTR_TIMEOUT: + case NFT_SET_ATTR_GC_INTERVAL: break; default: return; @@ -106,6 +108,8 @@ static uint32_t nft_set_attr_validate[NFT_SET_ATTR_MAX + 1] = { [NFT_SET_ATTR_FAMILY] = sizeof(uint32_t), [NFT_SET_ATTR_POLICY] = sizeof(uint32_t), [NFT_SET_ATTR_DESC_SIZE] = sizeof(uint32_t), + [NFT_SET_ATTR_TIMEOUT] = sizeof(uint64_t), + [NFT_SET_ATTR_GC_INTERVAL] = sizeof(uint32_t), }; void nft_set_attr_set_data(struct nft_set *s, uint16_t attr, const void *data, @@ -156,6 +160,12 @@ void nft_set_attr_set_data(struct nft_set *s, uint16_t attr, const void *data, case NFT_SET_ATTR_DESC_SIZE: s->desc.size = *((uint32_t *)data); break; + case NFT_SET_ATTR_TIMEOUT: + s->timeout = *((uint64_t *)data); + break; + case NFT_SET_ATTR_GC_INTERVAL: + s->gc_interval = *((uint32_t *)data); + break; } s->flags |= (1 << attr); } @@ -173,6 +183,12 @@ void nft_set_attr_set_u32(struct nft_set *s, uint16_t attr, uint32_t val) } EXPORT_SYMBOL(nft_set_attr_set_u32); +void nft_set_attr_set_u64(struct nft_set *s, uint16_t attr, uint64_t val) +{ + nft_set_attr_set(s, attr, &val); +} +EXPORT_SYMBOL(nft_set_attr_set_u64); + void nft_set_attr_set_str(struct nft_set *s, uint16_t attr, const char *str) { nft_set_attr_set(s, attr, str); @@ -217,6 +233,12 @@ const void *nft_set_attr_get_data(struct nft_set *s, uint16_t attr, case NFT_SET_ATTR_DESC_SIZE: *data_len = sizeof(uint32_t); return &s->desc.size; + case NFT_SET_ATTR_TIMEOUT: + *data_len = sizeof(uint64_t); + return &s->timeout; + case NFT_SET_ATTR_GC_INTERVAL: + *data_len = sizeof(uint32_t); + return &s->gc_interval; } return NULL; } @@ -246,6 +268,17 @@ uint32_t nft_set_attr_get_u32(struct nft_set *s, uint16_t attr) } EXPORT_SYMBOL(nft_set_attr_get_u32); +uint64_t nft_set_attr_get_u64(struct nft_set *s, uint16_t attr) +{ + uint32_t data_len; + const uint64_t *val = nft_set_attr_get_data(s, attr, &data_len); + + nft_assert(val, attr, data_len == sizeof(uint64_t)); + + return val ? *val : 0; +} +EXPORT_SYMBOL(nft_set_attr_get_u64); + struct nft_set *nft_set_clone(const struct nft_set *set) { struct nft_set *newset; @@ -310,6 +343,10 @@ void nft_set_nlmsg_build_payload(struct nlmsghdr *nlh, struct nft_set *s) mnl_attr_put_u32(nlh, NFTA_SET_POLICY, htonl(s->policy)); if (s->flags & (1 << NFT_SET_ATTR_DESC_SIZE)) nft_set_nlmsg_build_desc_payload(nlh, s); + if (s->flags & (1 << NFT_SET_ATTR_TIMEOUT)) + mnl_attr_put_u64(nlh, NFTA_SET_TIMEOUT, htobe64(s->timeout)); + if (s->flags & (1 << NFT_SET_ATTR_GC_INTERVAL)) + mnl_attr_put_u32(nlh, NFTA_SET_GC_INTERVAL, htonl(s->gc_interval)); } EXPORT_SYMBOL(nft_set_nlmsg_build_payload); @@ -334,9 +371,14 @@ static int nft_set_parse_attr_cb(const struct nlattr *attr, void *data) case NFTA_SET_DATA_LEN: case NFTA_SET_ID: case NFTA_SET_POLICY: + case NFTA_SET_GC_INTERVAL: if (mnl_attr_validate(attr, MNL_TYPE_U32) < 0) abi_breakage(); break; + case NFTA_SET_TIMEOUT: + if (mnl_attr_validate(attr, MNL_TYPE_U64) < 0) + abi_breakage(); + break; case NFTA_SET_DESC: if (mnl_attr_validate(attr, MNL_TYPE_NESTED) < 0) abi_breakage(); @@ -427,6 +469,14 @@ int nft_set_nlmsg_parse(const struct nlmsghdr *nlh, struct nft_set *s) s->policy = ntohl(mnl_attr_get_u32(tb[NFTA_SET_POLICY])); s->flags |= (1 << NFT_SET_ATTR_POLICY); } + if (tb[NFTA_SET_TIMEOUT]) { + s->timeout = be64toh(mnl_attr_get_u64(tb[NFTA_SET_TIMEOUT])); + s->flags |= (1 << NFT_SET_ATTR_TIMEOUT); + } + if (tb[NFTA_SET_GC_INTERVAL]) { + s->gc_interval = ntohl(mnl_attr_get_u32(tb[NFTA_SET_GC_INTERVAL])); + s->flags |= (1 << NFT_SET_ATTR_GC_INTERVAL); + } if (tb[NFTA_SET_DESC]) ret = nft_set_desc_parse(s, tb[NFTA_SET_DESC]); -- cgit v1.2.3