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| author | Yu Watanabe <watanabe.yu+github@gmail.com> | 2019-07-24 13:10:12 +0900 |
|---|---|---|
| committer | Yu Watanabe <watanabe.yu+github@gmail.com> | 2019-10-15 01:57:19 +0900 |
| commit | 31e78d1042a39709e54215a511a8d5f47b23a72b (patch) | |
| tree | 044b99e5074aa57c5b500389ea617011c737972e | |
| parent | 2be081ffd6228a0c0f9321c9ce722348c2ef4abd (diff) | |
| download | systemd-31e78d1042a39709e54215a511a8d5f47b23a72b.tar.gz | |
sd-netlink: introduce sd_genl_message_get_family()
| -rw-r--r-- | src/libsystemd/sd-netlink/generic-netlink.c | 16 | ||||
| -rw-r--r-- | src/systemd/sd-netlink.h | 1 |
2 files changed, 17 insertions, 0 deletions
diff --git a/src/libsystemd/sd-netlink/generic-netlink.c b/src/libsystemd/sd-netlink/generic-netlink.c index cfd9b4973d..58dda0323d 100644 --- a/src/libsystemd/sd-netlink/generic-netlink.c +++ b/src/libsystemd/sd-netlink/generic-netlink.c @@ -158,3 +158,19 @@ int nlmsg_type_to_genl_family(sd_netlink *nl, uint16_t type, sd_genl_family *ret return 0; } + +int sd_genl_message_get_family(sd_netlink *nl, sd_netlink_message *m, sd_genl_family *family) { + uint16_t type; + int r; + + assert_return(m, -EINVAL); + assert_return(nl, -EINVAL); + assert_return(nl->protocol == NETLINK_GENERIC, -EINVAL); + assert_return(family, -EINVAL); + + r = sd_netlink_message_get_type(m, &type); + if (r < 0) + return r; + + return nlmsg_type_to_genl_family(nl, type, family); +} diff --git a/src/systemd/sd-netlink.h b/src/systemd/sd-netlink.h index 283c2dd35b..43a15a98c0 100644 --- a/src/systemd/sd-netlink.h +++ b/src/systemd/sd-netlink.h @@ -204,6 +204,7 @@ int sd_rtnl_message_routing_policy_rule_get_flags(sd_netlink_message *m, unsigne /* genl */ int sd_genl_socket_open(sd_netlink **nl); int sd_genl_message_new(sd_netlink *nl, sd_genl_family family, uint8_t cmd, sd_netlink_message **m); +int sd_genl_message_get_family(sd_netlink *nl, sd_netlink_message *m, sd_genl_family *family); /* slot */ sd_netlink_slot *sd_netlink_slot_ref(sd_netlink_slot *nl); |