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netlink: add standrard ifaddr/neigh parsers to snl(3).

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MFC after:	2 weeks
This commit is contained in:
Alexander V. Chernikov 2023-03-26 09:04:41 +00:00
parent 64dfea8651
commit 9a11f3dff9
1 changed files with 56 additions and 1 deletions
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57
sys/netlink/netlink_snl_route_parsers.h
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@ -198,6 +198,7 @@ struct snl_parsed_link_simple {
uint32_t ifi_index;
uint32_t ifla_mtu;
uint16_t ifi_type;
uint32_t ifi_flags;
char *ifla_ifname;
};
@ -210,14 +211,68 @@ static struct snl_attr_parser _nla_p_link_s[] = {
static struct snl_field_parser _fp_p_link_s[] = {
{.off_in = _IN(ifi_index), .off_out = _OUT(ifi_index), .cb = snl_field_get_uint32 },
{.off_in = _IN(ifi_type), .off_out = _OUT(ifi_type), .cb = snl_field_get_uint16 },
{.off_in = _IN(ifi_flags), .off_out = _OUT(ifi_flags), .cb = snl_field_get_uint32 },
};
#undef _IN
#undef _OUT
SNL_DECLARE_PARSER(snl_rtm_link_parser_simple, struct ifinfomsg, _fp_p_link_s, _nla_p_link_s);
struct snl_parsed_neigh {
uint8_t ndm_family;
uint8_t ndm_flags;
uint16_t ndm_state;
uint32_t nda_ifindex;
struct sockaddr *nda_dst;
struct nlattr *nda_lladdr;
};
#define _IN(_field) offsetof(struct ndmsg, _field)
#define _OUT(_field) offsetof(struct snl_parsed_neigh, _field)
static struct snl_attr_parser _nla_p_neigh_s[] = {
{ .type = NDA_DST, .off = _OUT(nda_dst), .cb = snl_attr_get_ip },
{ .type = NDA_LLADDR , .off = _OUT(nda_lladdr), .cb = snl_attr_get_nla },
{ .type = NDA_IFINDEX, .off = _OUT(nda_ifindex), .cb = snl_attr_get_uint32 },
};
static struct snl_field_parser _fp_p_neigh_s[] = {
{.off_in = _IN(ndm_family), .off_out = _OUT(ndm_family), .cb = snl_field_get_uint8 },
{.off_in = _IN(ndm_flags), .off_out = _OUT(ndm_flags), .cb = snl_field_get_uint8 },
{.off_in = _IN(ndm_state), .off_out = _OUT(ndm_state), .cb = snl_field_get_uint16 },
};
#undef _IN
#undef _OUT
SNL_DECLARE_PARSER(snl_rtm_neigh_parser, struct ndmsg, _fp_p_neigh_s, _nla_p_neigh_s);
struct snl_parsed_addr {
uint8_t ifa_family;
uint8_t ifa_prefixlen;
uint32_t ifa_index;
struct sockaddr *ifa_local;
struct sockaddr *ifa_address;
struct sockaddr *ifa_broadcast;
char *ifa_label;
};
#define _IN(_field) offsetof(struct ifaddrmsg, _field)
#define _OUT(_field) offsetof(struct snl_parsed_addr, _field)
static struct snl_attr_parser _nla_p_addr_s[] = {
{ .type = IFA_ADDRESS, .off = _OUT(ifa_address), .cb = snl_attr_get_ip },
{ .type = IFA_LOCAL, .off = _OUT(ifa_local), .cb = snl_attr_get_ip },
{ .type = IFA_LABEL, .off = _OUT(ifa_label), .cb = snl_attr_get_string },
{ .type = IFA_BROADCAST, .off = _OUT(ifa_broadcast), .cb = snl_attr_get_ip },
};
static struct snl_field_parser _fp_p_addr_s[] = {
{.off_in = _IN(ifa_family), .off_out = _OUT(ifa_family), .cb = snl_field_get_uint8 },
{.off_in = _IN(ifa_prefixlen), .off_out = _OUT(ifa_prefixlen), .cb = snl_field_get_uint8 },
{.off_in = _IN(ifa_index), .off_out = _OUT(ifa_index), .cb = snl_field_get_uint32 },
};
#undef _IN
#undef _OUT
SNL_DECLARE_PARSER(snl_rtm_addr_parser, struct ifaddrmsg, _fp_p_addr_s, _nla_p_addr_s);
static const struct snl_hdr_parser *snl_all_route_parsers[] = {
&_metrics_mp_nh_parser, &_mpath_nh_parser, &_metrics_parser, &snl_rtm_route_parser,
&snl_rtm_link_parser, &snl_rtm_link_parser_simple,
&snl_rtm_link_parser, &snl_rtm_link_parser_simple, &snl_rtm_neigh_parser,
&snl_rtm_addr_parser,
};
#endif