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| author | Alexander V. Chernikov <melifaro@FreeBSD.org> | 2023-03-03 14:05:40 +0000 |
|---|---|---|
| committer | Alexander V. Chernikov <melifaro@FreeBSD.org> | 2023-03-03 14:05:40 +0000 |
| commit | 61507ae30b9096eaa0d44fec71211f3843d546eb (patch) | |
| tree | 07b99cc4327dc7837087ca99ad4369b827f62343 | |
| parent | 4530e0c3e78d0616367d37273d6c1f47f627839b (diff) | |
| download | src-61507ae30b9096eaa0d44fec71211f3843d546eb.tar.gz src-61507ae30b9096eaa0d44fec71211f3843d546eb.zip | |
netlink: add u8/u64 attribute fetcher accessors to snl(3).
MFC after: 2 weeks
| -rw-r--r-- | share/man/man3/snl.3 | 8 | ||||
| -rw-r--r-- | sys/netlink/netlink_snl.h | 25 |
2 files changed, 32 insertions, 1 deletions
diff --git a/share/man/man3/snl.3 b/share/man/man3/snl.3 index 9fdeeaf56178..8344cf7f8204 100644 --- a/share/man/man3/snl.3 +++ b/share/man/man3/snl.3 @@ -75,10 +75,14 @@ .Ft "bool" .Fn snl_attr_get_flag "struct snl_state *ss" "struct nlattr *nla" "void *target" .Ft "bool" +.Fn snl_attr_get_uint8 "struct snl_state *ss" "struct nlattr *nla" "void *target" +.Ft "bool" .Fn snl_attr_get_uint16 "struct snl_state *ss" "struct nlattr *nla" "void *target" .Ft "bool" .Fn snl_attr_get_uint32 "struct snl_state *ss" "struct nlattr *nla" "void *target" .Ft "bool" +.Fn snl_attr_get_uint64 "struct snl_state *ss" "struct nlattr *nla" "void *target" +.Ft "bool" .Fn snl_attr_get_string "struct snl_state *ss" "struct nlattr *nla" "void *target" .Ft "bool" .Fn snl_attr_get_stringn "struct snl_state *ss" "struct nlattr *nla" "void *target" @@ -181,10 +185,14 @@ A number of predefined getters for the common data types exist. .Fn snl_attr_get_flag converts a flag-type attribute to an uint8_t value of 1 or 0, depending on the attribute presence. +.Fn snl_attr_get_uint8 +stores a uint8_t type attribute into the uint8_t target field. .Fn snl_attr_get_uint16 stores a uint16_t type attribute into the uint16_t target field. .Fn snl_attr_get_uint32 stores a uint32_t type attribute into the uint32_t target field. +.Fn snl_attr_get_uint64 +stores a uint64_t type attribute into the uint64_t target field. .Fn snl_attr_get_ip and .Fn snl_attr_get_ipvia diff --git a/sys/netlink/netlink_snl.h b/sys/netlink/netlink_snl.h index 6e2c4b89a7c4..d88808ea6d3b 100644 --- a/sys/netlink/netlink_snl.h +++ b/sys/netlink/netlink_snl.h @@ -356,6 +356,17 @@ snl_attr_get_flag(struct snl_state *ss __unused, struct nlattr *nla, void *targe } static inline bool +snl_attr_get_uint8(struct snl_state *ss __unused, struct nlattr *nla, + const void *arg __unused, void *target) +{ + if (NLA_DATA_LEN(nla) == sizeof(uint8_t)) { + *((uint8_t *)target) = *((const uint8_t *)NLA_DATA_CONST(nla)); + return (true); + } + return (false); +} + +static inline bool snl_attr_get_uint16(struct snl_state *ss __unused, struct nlattr *nla, const void *arg __unused, void *target) { @@ -378,6 +389,17 @@ snl_attr_get_uint32(struct snl_state *ss __unused, struct nlattr *nla, } static inline bool +snl_attr_get_uint64(struct snl_state *ss __unused, struct nlattr *nla, + const void *arg __unused, void *target) +{ + if (NLA_DATA_LEN(nla) == sizeof(uint64_t)) { + memcpy(target, NLA_DATA_CONST(nla), sizeof(uint64_t)); + return (true); + } + return (false); +} + +static inline bool snl_attr_get_string(struct snl_state *ss __unused, struct nlattr *nla, const void *arg __unused, void *target) { @@ -416,7 +438,8 @@ snl_attr_get_nested(struct snl_state *ss, struct nlattr *nla, const void *arg, v } static inline bool -snl_attr_get_nla(struct snl_state *ss __unused, struct nlattr *nla, void *target) +snl_attr_get_nla(struct snl_state *ss __unused, struct nlattr *nla, + const void *arg __unused, void *target) { *((struct nlattr **)target) = nla; return (true); |