Re: git: d15f2551b25f - main - rtnetlink: Report SR-IOV VF status
Date: Mon, 10 Aug 2026 19:26:16 UTC
On Mon, Aug 10, 2026 at 12:18 PM Pouria Mousavizadeh Tehrani
<pouria@freebsd.org> wrote:
>
> Hi
>
> On 8/9/26 10:17, Kevin Bowling wrote:
> > The branch main has been updated by kbowling:
> >
> > URL: https://cgit.FreeBSD.org/src/commit/?id=d15f2551b25f79ddcbe289faa95e655100b952da
> >
> > commit d15f2551b25f79ddcbe289faa95e655100b952da
> > Author: Kevin Bowling <kbowling@FreeBSD.org>
> > AuthorDate: 2026-08-09 02:04:11 +0000
> > Commit: Kevin Bowling <kbowling@FreeBSD.org>
> > CommitDate: 2026-08-09 06:46:57 +0000
> >
> > rtnetlink: Report SR-IOV VF status
> >
> > Honor RTEXT_FILTER_VF on RTM_GETLINK requests and expose the versioned
> > SR-IOV VF status through typed nested FreeBSD attributes. Report
> > IFLA_NUM_VF with a successful requested query and preserve per-provider
> > errors in the status container.
> >
> > Map the common nvlist schema to native integer, boolean, string, and
> > binary attributes. Carry namespaced driver extensions as packed
> > versioned nvlists so adding a driver-specific field does not expand the
> > common netlink ABI.
> >
> > Add SNL parsers, parser verification, a constructed nested-status test,
> > and an RTM_GETLINK test for an interface without SR-IOV support.
> > Document the query contract and every attribute.
> > ---
> > share/man/man4/rtnetlink.4 | 118 ++++++++++-
> > sys/netlink/netlink_snl_route_parsers.h | 112 ++++++++++
> > sys/netlink/route/iface.c | 284 +++++++++++++++++++++++++-
> > sys/netlink/route/interface.h | 82 +++++++-
> > sys/netlink/route/route_var.h | 1 +
> > tests/atf_python/sys/netlink/attrs.py | 28 +++
> > tests/atf_python/sys/netlink/netlink_route.py | 117 +++++++++++
> > tests/sys/netlink/test_rtnl_iface.py | 13 +-
> > tests/sys/netlink/test_snl.c | 89 ++++++++
> > 9 files changed, 835 insertions(+), 9 deletions(-)
> >
> > diff --git a/share/man/man4/rtnetlink.4 b/share/man/man4/rtnetlink.4
> > index 3d76c66c1917..5d5e69cdbbf0 100644
> > --- a/share/man/man4/rtnetlink.4
> > +++ b/share/man/man4/rtnetlink.4
> > @@ -22,7 +22,7 @@
> > .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> > .\" SUCH DAMAGE.
> > .\"
> > -.Dd July 28, 2026
> > +.Dd August 8, 2026
> > .Dt RTNETLINK 4
> > .Os
> > .Sh NAME
> > @@ -325,7 +325,17 @@ The following filters are recognised by the kernel:
> > ifi_index interface index
> > IFLA_IFNAME interface name
> > IFLA_ALT_IFNAME interface name
> > +IFLA_EXT_MASK extended information selection bitmap
> > .Ed
> > +.Pp
> > +Setting the
> > +.Dv RTEXT_FILTER_VF
> > +bit in
> > +.Dv IFLA_EXT_MASK
> > +requests SR-IOV VF status.
> > +The query is opt-in because obtaining status can require entering the PF
> > +driver.
> > +VF status is not included in unsolicited link notifications.
> > .Ss TLVs
> > .Bl -tag -width indent
> > .It Dv IFLA_ADDRESS
> > @@ -340,6 +350,112 @@ IFLA_ALT_IFNAME interface name
> > (uint32_t) (readonly) Interface index.
> > .It Dv IFLA_MASTER
> > (uint32_t) Parent interface index.
> > +.It Dv IFLA_NUM_VF
> > +(uint32_t) (readonly) Number of active VFs.
> > +This attribute is returned with a successful
> > +.Dv RTEXT_FILTER_VF
> > +query.
> > +.It Dv IFLA_FREEBSD
> > +(nested) Local interface attributes.
> > +When requested,
> > +.Dv IFLAF_VF_STATUS
> > +contains the following nested attributes:
> > +.Bd -literal -offset indent -compact
> > +IFLAF_VFS_VERSION (uint32_t) VF status schema version
> > +IFLAF_VFS_ERROR (uint32_t) errno if the PF query failed
> > +IFLAF_VFS_PF_LINK_STATE (uint8_t) IFLAF_VF_LINK_*
> > +IFLAF_VFS_PF_LINK_SPEED (uint64_t) bits per second
> > +IFLAF_VFS_LIST (nested) repeated IFLAF_VF_LIST_ENTRY
> > +.Ed
> > +.Pp
> > +On a successful query,
> > +.Dv IFLAF_VFS_VERSION
> > +and
> > +.Dv IFLAF_VFS_LIST
> > +are present.
> > +If the PF status query fails,
> > +.Dv IFLAF_VFS_ERROR
> > +contains the errno value and the other status attributes are omitted.
> > +.Pp
> > +Each
> > +.Dv IFLAF_VF_LIST_ENTRY
> > +may contain the following attributes:
> > +.Bd -literal -offset indent -compact
> > +IFLAF_VF_INDEX (uint32_t) PF-local VF index
> > +IFLAF_VF_CONFIGURED (uint8_t) PF accepted configuration
> > +IFLAF_VF_INITIALIZED (uint8_t) VF handshake completed
> > +IFLAF_VF_MAC (binary) PF-known primary MAC address
> > +IFLAF_VF_VLAN_MODE (uint8_t) IFLAF_VF_VLAN_*
> > +IFLAF_VF_VLAN (uint16_t) access VLAN identifier
> > +IFLAF_VF_VLAN_COUNT (uint32_t) explicit VLAN filters
> > +IFLAF_VF_VLAN_LIMIT (uint32_t) explicit VLAN-filter limit
> > +IFLAF_VF_NUM_QUEUES (uint32_t) allocated RX/TX queue pairs
> > +IFLAF_VF_ALLOW_SET_MAC (uint8_t) administrative permission
> > +IFLAF_VF_ALLOW_SET_VLAN (uint8_t) administrative permission
> > +IFLAF_VF_MAC_ANTI_SPOOF (uint8_t) MAC anti-spoofing enabled
> > +IFLAF_VF_ALLOW_PROMISC (uint8_t) administrative permission
> > +IFLAF_VF_TRAFFIC_ENABLED (uint8_t) VF traffic enabled
> > +IFLAF_VF_MDD_BLOCKED (uint8_t) malicious-driver block active
> > +IFLAF_VF_QUARANTINED (uint8_t) persistent quarantine active
> > +IFLAF_VF_API_VERSION (string) negotiated mailbox API
> > +IFLAF_VF_LINK_STATE_POLICY (uint8_t) IFLAF_VF_LINK_*
> > +IFLAF_VF_EXTENSIONS (nested) driver-specific namespaces
> > +.Ed
> > +.Pp
> > +.Dv IFLAF_VF_INDEX
> > +is required in every list entry.
> > +Other fields are optional and are omitted when the PF driver cannot observe
> > +them; omission does not mean false or zero.
> > +Boolean attributes contain zero or one.
> > +.Dv IFLAF_VF_CONFIGURED
> > +means that the PF accepted the VF configuration, while
> > +.Dv IFLAF_VF_INITIALIZED
> > +means that the VF completed its driver or mailbox handshake since its last
> > +reset.
> > +.Pp
> > +.Dv IFLAF_VF_NUM_QUEUES
> > +is the number of allocated symmetric RX/TX queue pairs, not necessarily the
> > +number currently used by the VF driver.
> > +Access VLAN mode means that the PF imposes
> > +.Dv IFLAF_VF_VLAN ;
> > +trunk mode means that no access VLAN is imposed and does not promise unlimited
> > +filter capacity.
> > +.Dv IFLAF_VF_VLAN_COUNT
> > +counts explicit filters recorded by the PF and excludes implicit untagged and
> > +priority-tag membership.
> > +The permission attributes describe requests the VF may make, not requests it
> > +has made.
> > +The top-level PF link state and speed are values normally advertised to VFs,
> > +not evidence that a VF driver is operational.
> > +.Pp
> > +Link-state values are:
> > +.Bd -literal -offset indent -compact
> > +IFLAF_VF_LINK_UNKNOWN state is unavailable
> > +IFLAF_VF_LINK_DOWN link is forced or observed down
> > +IFLAF_VF_LINK_UP link is forced or observed up
> > +IFLAF_VF_LINK_AUTO VF follows PF link state
> > +.Ed
> > +.Pp
> > +VLAN-mode values are:
> > +.Bd -literal -offset indent -compact
> > +IFLAF_VF_VLAN_UNKNOWN mode is unavailable
> > +IFLAF_VF_VLAN_ACCESS PF imposes an access VLAN
> > +IFLAF_VF_VLAN_TRUNK no access VLAN is imposed
> > +.Ed
> > +.Pp
> > +Driver-specific data is returned under
> > +.Dv IFLAF_VF_EXTENSIONS
> > +as repeated
> > +.Dv IFLAF_VF_EXT_LIST_ENTRY
> > +objects.
> > +Each object contains a stable namespace string in
> > +.Dv IFLAF_VF_EXT_NAME
> > +and its packed, versioned
> > +.Xr nvlist 9
> > +in
> > +.Dv IFLAF_VF_EXT_DATA .
> > +Each namespace contains a version number.
> > +Consumers must ignore unknown namespaces and fields.
> > .It Dv IFLA_LINKINFO
> > (nested) Interface type-specific attributes:
> > .Bd -literal -offset indent -compact
> > diff --git a/sys/netlink/netlink_snl_route_parsers.h b/sys/netlink/netlink_snl_route_parsers.h
> > index f0849884ec97..9f699ef528a3 100644
> > --- a/sys/netlink/netlink_snl_route_parsers.h
> > +++ b/sys/netlink/netlink_snl_route_parsers.h
> > @@ -178,6 +178,113 @@ SNL_DECLARE_PARSER_EXT(snl_rtm_route_parser, sizeof(struct rtmsg),
> > _cb_p_route);
> >
> > /* RTM_<NEW|DEL|GET>LINK message parser */
> > +struct snl_parsed_vf_extension {
> > + char *name;
> > + struct nlattr *data;
> > +};
> > +
> > +#define _OUT(_field) offsetof(struct snl_parsed_vf_extension, _field)
> > +static const struct snl_attr_parser _nla_p_vf_extension[] = {
> > + { .type = IFLAF_VF_EXT_NAME, .off = _OUT(name),
> > + .cb = snl_attr_dup_string },
> > + { .type = IFLAF_VF_EXT_DATA, .off = _OUT(data),
> > + .cb = snl_attr_dup_nla },
> > +};
> > +#undef _OUT
> > +SNL_DECLARE_ATTR_PARSER_EXT(_vf_extension_parser,
> > + sizeof(struct snl_parsed_vf_extension), _nla_p_vf_extension, NULL);
> > +
> > +struct snl_parsed_vf {
> > + uint32_t index;
> > + uint32_t vlan_count;
> > + uint32_t vlan_limit;
> > + uint32_t num_queues;
> > + uint16_t vlan;
> > + uint8_t configured;
> > + uint8_t initialized;
> > + uint8_t vlan_mode;
> > + uint8_t allow_set_mac;
> > + uint8_t allow_set_vlan;
> > + uint8_t mac_anti_spoof;
> > + uint8_t allow_promisc;
> > + uint8_t traffic_enabled;
> > + uint8_t mdd_blocked;
> > + uint8_t quarantined;
> > + uint8_t link_state_policy;
> > + char *api_version;
> > + struct nlattr *mac;
> > + struct snl_parray extensions;
> > +};
> > +
> > +#define _OUT(_field) offsetof(struct snl_parsed_vf, _field)
> > +static const struct snl_attr_parser _nla_p_vf[] = {
> > + { .type = IFLAF_VF_INDEX, .off = _OUT(index),
> > + .cb = snl_attr_get_uint32 },
> > + { .type = IFLAF_VF_CONFIGURED, .off = _OUT(configured),
> > + .cb = snl_attr_get_uint8 },
> > + { .type = IFLAF_VF_INITIALIZED, .off = _OUT(initialized),
> > + .cb = snl_attr_get_uint8 },
> > + { .type = IFLAF_VF_MAC, .off = _OUT(mac), .cb = snl_attr_dup_nla },
> > + { .type = IFLAF_VF_VLAN_MODE, .off = _OUT(vlan_mode),
> > + .cb = snl_attr_get_uint8 },
> > + { .type = IFLAF_VF_VLAN, .off = _OUT(vlan),
> > + .cb = snl_attr_get_uint16 },
> > + { .type = IFLAF_VF_VLAN_COUNT, .off = _OUT(vlan_count),
> > + .cb = snl_attr_get_uint32 },
> > + { .type = IFLAF_VF_VLAN_LIMIT, .off = _OUT(vlan_limit),
> > + .cb = snl_attr_get_uint32 },
> > + { .type = IFLAF_VF_NUM_QUEUES, .off = _OUT(num_queues),
> > + .cb = snl_attr_get_uint32 },
> > + { .type = IFLAF_VF_ALLOW_SET_MAC, .off = _OUT(allow_set_mac),
> > + .cb = snl_attr_get_uint8 },
> > + { .type = IFLAF_VF_ALLOW_SET_VLAN, .off = _OUT(allow_set_vlan),
> > + .cb = snl_attr_get_uint8 },
> > + { .type = IFLAF_VF_MAC_ANTI_SPOOF, .off = _OUT(mac_anti_spoof),
> > + .cb = snl_attr_get_uint8 },
> > + { .type = IFLAF_VF_ALLOW_PROMISC, .off = _OUT(allow_promisc),
> > + .cb = snl_attr_get_uint8 },
> > + { .type = IFLAF_VF_TRAFFIC_ENABLED, .off = _OUT(traffic_enabled),
> > + .cb = snl_attr_get_uint8 },
> > + { .type = IFLAF_VF_MDD_BLOCKED, .off = _OUT(mdd_blocked),
> > + .cb = snl_attr_get_uint8 },
> > + { .type = IFLAF_VF_QUARANTINED, .off = _OUT(quarantined),
> > + .cb = snl_attr_get_uint8 },
> > + { .type = IFLAF_VF_API_VERSION, .off = _OUT(api_version),
> > + .cb = snl_attr_dup_string },
> > + { .type = IFLAF_VF_LINK_STATE_POLICY,
> > + .off = _OUT(link_state_policy), .cb = snl_attr_get_uint8 },
> > + { .type = IFLAF_VF_EXTENSIONS, .off = _OUT(extensions),
> > + .arg = &_vf_extension_parser, .cb = snl_attr_get_parray },
> > +};
> > +#undef _OUT
> > +SNL_DECLARE_ATTR_PARSER_EXT(_vf_parser, sizeof(struct snl_parsed_vf),
> > + _nla_p_vf, NULL);
> > +
> > +struct snl_parsed_vf_status {
> > + uint64_t pf_link_speed;
> > + uint32_t version;
> > + uint32_t error;
> > + uint8_t pf_link_state;
> > + struct snl_parray vfs;
> > +};
> > +
> > +#define _OUT(_field) offsetof(struct snl_parsed_vf_status, _field)
> > +static const struct snl_attr_parser _nla_p_vf_status[] = {
> > + { .type = IFLAF_VFS_VERSION, .off = _OUT(version),
> > + .cb = snl_attr_get_uint32 },
> > + { .type = IFLAF_VFS_ERROR, .off = _OUT(error),
> > + .cb = snl_attr_get_uint32 },
> > + { .type = IFLAF_VFS_PF_LINK_STATE, .off = _OUT(pf_link_state),
> > + .cb = snl_attr_get_uint8 },
> > + { .type = IFLAF_VFS_PF_LINK_SPEED, .off = _OUT(pf_link_speed),
> > + .cb = snl_attr_get_uint64 },
> > + { .type = IFLAF_VFS_LIST, .off = _OUT(vfs),
> > + .arg = &_vf_parser, .cb = snl_attr_get_parray },
> > +};
> > +#undef _OUT
> > +SNL_DECLARE_ATTR_PARSER_EXT(_vf_status_parser,
> > + sizeof(struct snl_parsed_vf_status), _nla_p_vf_status, NULL);
> > +
> > struct snl_parsed_link {
> > uint32_t ifi_index;
> > uint32_t ifi_flags;
> > @@ -191,9 +298,11 @@ struct snl_parsed_link {
> > struct nlattr *ifla_broadcast;
> > char *ifla_ifalias;
> > uint32_t ifla_promiscuity;
> > + uint32_t ifla_num_vf;
> > struct rtnl_link_stats64 *ifla_stats64;
> > struct nlattr *iflaf_orig_hwaddr;
> > struct snl_attr_bitset iflaf_caps;
> > + struct snl_parsed_vf_status iflaf_vf_status;
> > };
> >
> > #define _IN(_field) offsetof(struct ifinfomsg, _field)
> > @@ -201,6 +310,8 @@ struct snl_parsed_link {
> > static const struct snl_attr_parser _nla_p_link_fbsd[] = {
> > { .type = IFLAF_ORIG_HWADDR, .off = _OUT(iflaf_orig_hwaddr), .cb = snl_attr_dup_nla },
> > { .type = IFLAF_CAPS, .off = _OUT(iflaf_caps), .cb = snl_attr_get_bitset_c },
> > + { .type = IFLAF_VF_STATUS, .off = _OUT(iflaf_vf_status),
> > + .arg = &_vf_status_parser, .cb = snl_attr_get_nested },
> > };
> > SNL_DECLARE_ATTR_PARSER(_link_fbsd_parser, _nla_p_link_fbsd);
> >
> > @@ -211,6 +322,7 @@ static const struct snl_attr_parser _nla_p_link[] = {
> > { .type = IFLA_MTU, .off = _OUT(ifla_mtu), .cb = snl_attr_get_uint32 },
> > { .type = IFLA_OPERSTATE, .off = _OUT(ifla_operstate), .cb = snl_attr_get_uint8 },
> > { .type = IFLA_IFALIAS, .off = _OUT(ifla_ifalias), .cb = snl_attr_dup_string },
> > + { .type = IFLA_NUM_VF, .off = _OUT(ifla_num_vf), .cb = snl_attr_get_uint32 },
> > { .type = IFLA_STATS64, .off = _OUT(ifla_stats64), .cb = snl_attr_dup_struct },
> > { .type = IFLA_PROMISCUITY, .off = _OUT(ifla_promiscuity), .cb = snl_attr_get_uint32 },
> > { .type = IFLA_CARRIER, .off = _OUT(ifla_carrier), .cb = snl_attr_get_uint8 },
> > diff --git a/sys/netlink/route/iface.c b/sys/netlink/route/iface.c
> > index 5b6e58a598aa..bb04c2a94c1e 100644
> > --- a/sys/netlink/route/iface.c
> > +++ b/sys/netlink/route/iface.c
> > @@ -33,6 +33,7 @@
> > #include <sys/kernel.h>
> > #include <sys/jail.h>
> > #include <sys/malloc.h>
> > +#include <sys/nv.h>
> > #include <sys/socket.h>
> > #include <sys/sockio.h>
> > #include <sys/syslog.h>
> > @@ -65,6 +66,7 @@ struct netlink_walkargs {
> > struct nlpcb *so;
> > struct ucred *cred;
> > uint32_t fibnum;
> > + uint32_t ext_mask;
> > int family;
> > int error;
> > int count;
> > @@ -279,6 +281,245 @@ dump_iface_caps(struct nl_writer *nw, struct ifnet *ifp)
> > return (true);
> > }
> >
> > +static uint8_t
> > +vf_link_state(const char *state)
> > +{
> > +
> > + if (strcmp(state, IFVF_LINK_STATE_DOWN) == 0)
> > + return (IFLAF_VF_LINK_DOWN);
> > + if (strcmp(state, IFVF_LINK_STATE_UP) == 0)
> > + return (IFLAF_VF_LINK_UP);
> > + if (strcmp(state, IFVF_LINK_STATE_AUTO) == 0)
> > + return (IFLAF_VF_LINK_AUTO);
> > + return (IFLAF_VF_LINK_UNKNOWN);
> > +}
> > +
> > +static bool
> > +dump_vf_bool(struct nl_writer *nw, const nvlist_t *vf, const char *name,
> > + uint16_t attr)
> > +{
> > +
> > + if (!nvlist_exists_bool(vf, name))
> > + return (true);
> > + return (nlattr_add_u8(nw, attr, nvlist_get_bool(vf, name) ? 1 : 0));
> > +}
> > +
> > +static bool
> > +dump_vf_u16(struct nl_writer *nw, const nvlist_t *vf, const char *name,
> > + uint16_t attr)
> > +{
> > + uint64_t value;
> > +
> > + if (!nvlist_exists_number(vf, name))
> > + return (true);
> > + value = nvlist_get_number(vf, name);
> > + if (value > UINT16_MAX)
> > + return (false);
> > + return (nlattr_add_u16(nw, attr, (uint16_t)value));
> > +}
> > +
> > +static bool
> > +dump_vf_u32(struct nl_writer *nw, const nvlist_t *vf, const char *name,
> > + uint16_t attr)
> > +{
> > + uint64_t value;
> > +
> > + if (!nvlist_exists_number(vf, name))
> > + return (true);
> > + value = nvlist_get_number(vf, name);
> > + if (value > UINT32_MAX)
> > + return (false);
> > + return (nlattr_add_u32(nw, attr, (uint32_t)value));
> > +}
> > +
> > +static bool
> > +dump_vf_string(struct nl_writer *nw, const nvlist_t *vf, const char *name,
> > + uint16_t attr)
> > +{
> > +
> > + if (!nvlist_exists_string(vf, name))
> > + return (true);
> > + return (nlattr_add_string(nw, attr, nvlist_get_string(vf, name)));
> > +}
> > +
> > +static bool
> > +dump_vf_extensions(struct nl_writer *nw, const nvlist_t *vf)
> > +{
> > + const nvlist_t *extension, *extensions;
> > + const char *name;
> > + void *buf, *cookie;
> > + size_t buflen;
> > + int entry_off, extensions_off, type;
> > + bool ok;
> > +
> > + if (!nvlist_exists(vf, IFVF_STATUS_EXTENSIONS))
> > + return (true);
> > + if (!nvlist_exists_nvlist(vf, IFVF_STATUS_EXTENSIONS))
> > + return (false);
> > +
> > + extensions = nvlist_get_nvlist(vf, IFVF_STATUS_EXTENSIONS);
> > + extensions_off = nlattr_add_nested(nw, IFLAF_VF_EXTENSIONS);
> > + if (extensions_off == 0)
> > + return (false);
> > + cookie = NULL;
> > + while ((name = nvlist_next(extensions, &type, &cookie)) != NULL) {
> > + if (type != NV_TYPE_NVLIST)
> > + return (false);
> > + extension = nvlist_get_nvlist(extensions, name);
> > + if (!nvlist_exists_number(extension,
> > + IFVF_STATUS_EXT_VERSION))
> > + return (false);
> > + buf = nvlist_pack(extension, &buflen);
> > + if (buf == NULL)
> > + return (false);
> > + if (buflen > UINT16_MAX - sizeof(struct nlattr)) {
> > + free(buf, M_NVLIST);
> > + return (false);
> > + }
> > + entry_off = nlattr_add_nested(nw,
> > + IFLAF_VF_EXT_LIST_ENTRY);
> > + if (entry_off == 0) {
> > + free(buf, M_NVLIST);
> > + return (false);
> > + }
> > + ok = nlattr_add_string(nw, IFLAF_VF_EXT_NAME, name) &&
> > + nlattr_add(nw, IFLAF_VF_EXT_DATA, (uint16_t)buflen, buf);
> > + free(buf, M_NVLIST);
> > + if (!ok)
> > + return (false);
> > + nlattr_set_len(nw, entry_off);
> > + }
> > + nlattr_set_len(nw, extensions_off);
> > + return (true);
> > +}
> > +
> > +static bool
> > +dump_vf_entry(struct nl_writer *nw, const nvlist_t *vf)
> > +{
> > + const void *mac;
> > + const char *mode, *policy;
> > + size_t maclen;
> > + uint8_t vlan_mode;
> > + int off;
> > + bool ok;
> > +
> > + off = nlattr_add_nested(nw, IFLAF_VF_LIST_ENTRY);
> > + if (off == 0)
> > + return (false);
> > + ok = dump_vf_u32(nw, vf, IFVF_STATUS_INDEX, IFLAF_VF_INDEX) &&
> > + dump_vf_bool(nw, vf, IFVF_STATUS_CONFIGURED,
> > + IFLAF_VF_CONFIGURED) &&
> > + dump_vf_bool(nw, vf, IFVF_STATUS_INITIALIZED,
> > + IFLAF_VF_INITIALIZED);
> > + if (!ok)
> > + return (false);
> > +
> > + if (nvlist_exists_binary(vf, IFVF_STATUS_MAC)) {
> > + mac = nvlist_get_binary(vf, IFVF_STATUS_MAC, &maclen);
> > + if (maclen > UINT16_MAX - sizeof(struct nlattr) ||
> > + !nlattr_add(nw, IFLAF_VF_MAC, (uint16_t)maclen, mac))
> > + return (false);
> > + }
> > + if (nvlist_exists_string(vf, IFVF_STATUS_VLAN_MODE)) {
> > + mode = nvlist_get_string(vf, IFVF_STATUS_VLAN_MODE);
> > + if (strcmp(mode, IFVF_VLAN_MODE_ACCESS) == 0)
> > + vlan_mode = IFLAF_VF_VLAN_ACCESS;
> > + else if (strcmp(mode, IFVF_VLAN_MODE_TRUNK) == 0)
> > + vlan_mode = IFLAF_VF_VLAN_TRUNK;
> > + else
> > + vlan_mode = IFLAF_VF_VLAN_UNKNOWN;
> > + if (!nlattr_add_u8(nw, IFLAF_VF_VLAN_MODE, vlan_mode))
> > + return (false);
> > + }
> > + ok = dump_vf_u16(nw, vf, IFVF_STATUS_VLAN, IFLAF_VF_VLAN) &&
> > + dump_vf_u32(nw, vf, IFVF_STATUS_VLAN_COUNT,
> > + IFLAF_VF_VLAN_COUNT) &&
> > + dump_vf_u32(nw, vf, IFVF_STATUS_VLAN_LIMIT,
> > + IFLAF_VF_VLAN_LIMIT) &&
> > + dump_vf_u32(nw, vf, IFVF_STATUS_NUM_QUEUES,
> > + IFLAF_VF_NUM_QUEUES) &&
> > + dump_vf_bool(nw, vf, IFVF_STATUS_ALLOW_SET_MAC,
> > + IFLAF_VF_ALLOW_SET_MAC) &&
> > + dump_vf_bool(nw, vf, IFVF_STATUS_ALLOW_SET_VLAN,
> > + IFLAF_VF_ALLOW_SET_VLAN) &&
> > + dump_vf_bool(nw, vf, IFVF_STATUS_MAC_ANTI_SPOOF,
> > + IFLAF_VF_MAC_ANTI_SPOOF) &&
> > + dump_vf_bool(nw, vf, IFVF_STATUS_ALLOW_PROMISC,
> > + IFLAF_VF_ALLOW_PROMISC) &&
> > + dump_vf_bool(nw, vf, IFVF_STATUS_TRAFFIC_ENABLED,
> > + IFLAF_VF_TRAFFIC_ENABLED) &&
> > + dump_vf_bool(nw, vf, IFVF_STATUS_MDD_BLOCKED,
> > + IFLAF_VF_MDD_BLOCKED) &&
> > + dump_vf_bool(nw, vf, IFVF_STATUS_QUARANTINED,
> > + IFLAF_VF_QUARANTINED) &&
> > + dump_vf_string(nw, vf, IFVF_STATUS_API_VERSION,
> > + IFLAF_VF_API_VERSION);
> > + if (!ok)
> > + return (false);
> > + if (nvlist_exists_string(vf, IFVF_STATUS_LINK_STATE_POLICY)) {
> > + policy = nvlist_get_string(vf,
> > + IFVF_STATUS_LINK_STATE_POLICY);
> > + if (!nlattr_add_u8(nw, IFLAF_VF_LINK_STATE_POLICY,
> > + vf_link_state(policy)))
> > + return (false);
> > + }
> > + if (!dump_vf_extensions(nw, vf))
> > + return (false);
> > + nlattr_set_len(nw, off);
> > + return (true);
> > +}
> > +
> > +static bool
> > +dump_vf_status(struct nl_writer *nw, const nvlist_t *status, int error)
> > +{
> > + const nvlist_t * const *vfs;
> > + const char *state;
> > + size_t i, num_vfs;
> > + uint64_t version;
> > + int list_off, off;
> > +
> > + off = nlattr_add_nested(nw, IFLAF_VF_STATUS);
> > + if (off == 0)
> > + return (false);
> > + if (error != 0) {
> > + if (!nlattr_add_u32(nw, IFLAF_VFS_ERROR, (uint32_t)error))
> > + return (false);
> > + nlattr_set_len(nw, off);
> > + return (true);
> > + }
> > +
> > + if (!nvlist_exists_number(status, IFVF_STATUS_VERSION_KEY))
> > + return (false);
> > + version = nvlist_get_number(status, IFVF_STATUS_VERSION_KEY);
> > + if (version > UINT32_MAX ||
> > + !nlattr_add_u32(nw, IFLAF_VFS_VERSION, (uint32_t)version))
> > + return (false);
> > + if (nvlist_exists_string(status, IFVF_STATUS_PF_LINK_STATE)) {
> > + state = nvlist_get_string(status, IFVF_STATUS_PF_LINK_STATE);
> > + if (!nlattr_add_u8(nw, IFLAF_VFS_PF_LINK_STATE,
> > + vf_link_state(state)))
> > + return (false);
> > + }
> > + if (nvlist_exists_number(status, IFVF_STATUS_PF_LINK_SPEED) &&
> > + !nlattr_add_u64(nw, IFLAF_VFS_PF_LINK_SPEED,
> > + nvlist_get_number(status, IFVF_STATUS_PF_LINK_SPEED)))
> > + return (false);
> > + if (!nvlist_exists_nvlist_array(status, IFVF_STATUS_VFS))
> > + return (false);
> > +
> > + vfs = nvlist_get_nvlist_array(status, IFVF_STATUS_VFS, &num_vfs);
> > + list_off = nlattr_add_nested(nw, IFLAF_VFS_LIST);
> > + if (list_off == 0)
> > + return (false);
> > + for (i = 0; i < num_vfs; i++) {
> > + if (!dump_vf_entry(nw, vfs[i]))
> > + return (false);
> > + }
> > + nlattr_set_len(nw, list_off);
> > + nlattr_set_len(nw, off);
> > + return (true);
> > +}
> > +
> > /*
> > * Dumps interface state, properties and metrics.
> > * @nw: message writer
> > @@ -290,12 +531,26 @@ dump_iface_caps(struct nl_writer *nw, struct ifnet *ifp)
> > */
> > static bool
> > dump_iface(struct nl_writer *nw, if_t ifp, const struct nlmsghdr *hdr,
> > - int if_flags_mask, const char *ifname)
> > + int if_flags_mask, const char *ifname, uint32_t ext_mask)
> > {
> > struct epoch_tracker et;
> > + nvlist_t *vf_status;
> > + size_t num_vfs;
> > struct ifinfomsg *ifinfo;
> > + bool include_vf_status;
> > + int vf_error;
> >
> > NL_LOG(LOG_DEBUG3, "dumping interface %s data", if_name(ifp));
> > + vf_status = NULL;
> > + vf_error = 0;
> > + include_vf_status = (ext_mask & RTEXT_FILTER_VF) != 0;
> > + if (include_vf_status) {
> > + vf_error = if_get_vf_status(ifp, &vf_status);
> > + if (vf_error == EINVAL || vf_error == ENOTTY ||
> > + vf_error == ENXIO || vf_error == ENOTSUP ||
> > + vf_error == EOPNOTSUPP)
> > + include_vf_status = false;
> > + }
> >
> > if (!nlmsg_reply(nw, hdr, sizeof(struct ifinfomsg)))
> > goto enomem;
> > @@ -341,6 +596,14 @@ dump_iface(struct nl_writer *nw, if_t ifp, const struct nlmsghdr *hdr,
> > }
> >
> > nlattr_add_u32(nw, IFLA_MTU, if_getmtu(ifp));
> > + if (vf_status != NULL &&
> > + nvlist_exists_nvlist_array(vf_status, IFVF_STATUS_VFS)) {
> > + (void)nvlist_get_nvlist_array(vf_status, IFVF_STATUS_VFS,
> > + &num_vfs);
> > + if (num_vfs > UINT32_MAX ||
> > + !nlattr_add_u32(nw, IFLA_NUM_VF, (uint32_t)num_vfs))
> > + goto enomem;
> > + }
> > /*
> > nlattr_add_u32(nw, IFLA_MIN_MTU, 60);
> > nlattr_add_u32(nw, IFLA_MAX_MTU, 9000);
> > @@ -355,6 +618,9 @@ dump_iface(struct nl_writer *nw, if_t ifp, const struct nlmsghdr *hdr,
> > if (off != 0) {
> > get_hwaddr(nw, ifp);
> > dump_iface_caps(nw, ifp);
> > + if (include_vf_status &&
> > + !dump_vf_status(nw, vf_status, vf_error))
> > + goto enomem;
> >
> > nlattr_set_len(nw, off);
> > }
> > @@ -368,11 +634,14 @@ dump_iface(struct nl_writer *nw, if_t ifp, const struct nlmsghdr *hdr,
> >
> > nw->ifp = ifp;
> >
> > - if (nlmsg_end(nw))
> > + if (nlmsg_end(nw)) {
> > + nvlist_destroy(vf_status);
> > return (true);
> > + }
> >
> > enomem:
> > - NL_LOG(LOG_DEBUG, "unable to dump interface %s state (ENOMEM)", if_name(ifp));
> > + nvlist_destroy(vf_status);
> > + NL_LOG(LOG_DEBUG, "unable to dump interface %s state", if_name(ifp));
> > nlmsg_abort(nw);
> > return (false);
> > }
> > @@ -415,6 +684,7 @@ static const struct nlattr_parser nla_p_if[] = {
> > { .type = IFLA_LINKINFO, .arg = &linfo_parser, .cb = nlattr_get_nested },
> > { .type = IFLA_IFALIAS, .off = _OUT(ifla_ifalias), .cb = nlattr_get_string },
> > { .type = IFLA_GROUP, .off = _OUT(ifla_group), .cb = nlattr_get_string },
> > + { .type = IFLA_EXT_MASK, .off = _OUT(ifla_ext_mask), .cb = nlattr_get_uint32 },
> > { .type = IFLA_ALT_IFNAME, .off = _OUT(ifla_ifname), .cb = nlattr_get_string },
> > };
> > #undef _IN
> > @@ -441,7 +711,7 @@ static int
> > dump_cb(if_t ifp, void *_arg)
> > {
> > struct netlink_walkargs *wa = (struct netlink_walkargs *)_arg;
> > - if (!dump_iface(wa->nw, ifp, &wa->hdr, 0, NULL))
> > + if (!dump_iface(wa->nw, ifp, &wa->hdr, 0, NULL, wa->ext_mask))
> > return (ENOMEM);
> > return (0);
> > }
> > @@ -473,6 +743,7 @@ rtnl_handle_getlink(struct nlmsghdr *hdr, struct nlpcb *nlp, struct nl_pstate *n
> > .hdr.nlmsg_seq = hdr->nlmsg_seq,
> > .hdr.nlmsg_flags = hdr->nlmsg_flags,
> > .hdr.nlmsg_type = NL_RTM_NEWLINK,
> > + .ext_mask = attrs.ifla_ext_mask,
> > };
> >
> > /* Fast track for an interface w/ explicit name or index match */
> > @@ -491,7 +762,8 @@ rtnl_handle_getlink(struct nlmsghdr *hdr, struct nlpcb *nlp, struct nl_pstate *n
> >
> > if (ifp != NULL) {
> > if (match_iface(ifp, &attrs)) {
> > - if (!dump_iface(wa.nw, ifp, &wa.hdr, 0, NULL))
> > + if (!dump_iface(wa.nw, ifp, &wa.hdr, 0, NULL,
> > + wa.ext_mask))
> > error = ENOMEM;
> > } else
> > error = ENODEV;
> > @@ -1418,7 +1690,7 @@ rtnl_handle_ifevent(if_t ifp, int nlmsg_type, int if_flags_mask,
> > NL_LOG(LOG_DEBUG, "error allocating group writer");
> > return;
> > }
> > - dump_iface(&nw, ifp, &hdr, if_flags_mask, ifname);
> > + dump_iface(&nw, ifp, &hdr, if_flags_mask, ifname, 0);
> > nlmsg_flush(&nw);
> > }
> >
> > diff --git a/sys/netlink/route/interface.h b/sys/netlink/route/interface.h
> > index c018a0adb20d..66bab24067df 100644
> > --- a/sys/netlink/route/interface.h
> > +++ b/sys/netlink/route/interface.h
> > @@ -94,7 +94,7 @@ enum {
> > #define IFLA_NET_NS_PID IFLA_NET_NS_PID
> > IFLA_IFALIAS = 20, /* string: interface description */
> > #define IFLA_IFALIAS IFLA_IFALIAS
> > - IFLA_NUM_VF = 21, /* not supported */
> > + IFLA_NUM_VF = 21, /* u32: active VFs, when requested */
> > #define IFLA_NUM_VF IFLA_NUM_VF
> > IFLA_VFINFO_LIST= 22, /* not supported */
> > #define IFLA_VFINFO_LIST IFLA_VFINFO_LIST
> > @@ -147,15 +147,95 @@ enum {
> > };
> > #define IFLA_MAX (__IFLA_MAX - 1)
> >
> > +/* IFLA_EXT_MASK values. */
> > +#define RTEXT_FILTER_VF (1U << 0)
> > +
> > enum {
> > IFLAF_UNSPEC = 0,
> > IFLAF_ORIG_IFNAME = 1, /* string, original interface name at creation */
> > IFLAF_ORIG_HWADDR = 2, /* binary, original hardware address */
> > IFLAF_CAPS = 3, /* bitset, interface capabilities */
> > + IFLAF_VF_STATUS = 4, /* nested, IFLAF_VFS_* */
> > __IFLAF_MAX
> > };
> > #define IFLAF_MAX (__IFLAF_MAX - 1)
> >
> > +/* IFLAF_VF_STATUS attributes. */
> > +enum {
> > + IFLAF_VFS_UNSPEC = 0,
> > + IFLAF_VFS_VERSION = 1, /* u32: IFVF_STATUS_VERSION */
> > + IFLAF_VFS_ERROR = 2, /* u32: errno from requested query */
> > + IFLAF_VFS_PF_LINK_STATE = 3, /* u8: IFLAF_VF_LINK_* */
> > + IFLAF_VFS_PF_LINK_SPEED = 4, /* u64: bits per second */
> > + IFLAF_VFS_LIST = 5, /* nested, IFLAF_VF_LIST_* */
> > + __IFLAF_VFS_MAX
> > +};
> > +#define IFLAF_VFS_MAX (__IFLAF_VFS_MAX - 1)
> > +
> > +/* IFLAF_VFS_LIST attributes. */
> > +enum {
> > + IFLAF_VF_LIST_UNSPEC = 0,
> > + IFLAF_VF_LIST_ENTRY = 1, /* nested, IFLAF_VF_*; repeated */
> > + __IFLAF_VF_LIST_MAX
> > +};
> > +#define IFLAF_VF_LIST_MAX (__IFLAF_VF_LIST_MAX - 1)
> > +
> > +/* IFLAF_VF_LIST_ENTRY attributes. */
> > +enum {
> > + IFLAF_VF_UNSPEC = 0,
> > + IFLAF_VF_INDEX = 1, /* u32 */
> > + IFLAF_VF_CONFIGURED = 2, /* u8 boolean */
> > + IFLAF_VF_INITIALIZED = 3, /* u8 boolean */
> > + IFLAF_VF_MAC = 4, /* binary */
> > + IFLAF_VF_VLAN_MODE = 5, /* u8: IFLAF_VF_VLAN_* */
> > + IFLAF_VF_VLAN = 6, /* u16 */
> > + IFLAF_VF_VLAN_COUNT = 7, /* u32 */
> > + IFLAF_VF_VLAN_LIMIT = 8, /* u32 */
> > + IFLAF_VF_NUM_QUEUES = 9, /* u32 */
> > + IFLAF_VF_ALLOW_SET_MAC = 10, /* u8 boolean */
> > + IFLAF_VF_ALLOW_SET_VLAN = 11, /* u8 boolean */
> > + IFLAF_VF_MAC_ANTI_SPOOF = 12, /* u8 boolean */
> > + IFLAF_VF_ALLOW_PROMISC = 13, /* u8 boolean */
> > + IFLAF_VF_TRAFFIC_ENABLED = 14, /* u8 boolean */
> > + IFLAF_VF_MDD_BLOCKED = 15, /* u8 boolean */
> > + IFLAF_VF_QUARANTINED = 16, /* u8 boolean */
> > + IFLAF_VF_API_VERSION = 17, /* string */
> > + IFLAF_VF_LINK_STATE_POLICY = 18, /* u8: IFLAF_VF_LINK_* */
> > + IFLAF_VF_EXTENSIONS = 19, /* nested, IFLAF_VF_EXT_LIST_* */
> > + __IFLAF_VF_MAX
> > +};
> > +#define IFLAF_VF_MAX (__IFLAF_VF_MAX - 1)
> > +
> > +/* IFLAF_VF_EXTENSIONS attributes. */
> > +enum {
> > + IFLAF_VF_EXT_LIST_UNSPEC = 0,
> > + IFLAF_VF_EXT_LIST_ENTRY = 1, /* nested; repeated */
> > + __IFLAF_VF_EXT_LIST_MAX
> > +};
> > +#define IFLAF_VF_EXT_LIST_MAX (__IFLAF_VF_EXT_LIST_MAX - 1)
> > +
> > +/* IFLAF_VF_EXT_LIST_ENTRY attributes. */
> > +enum {
> > + IFLAF_VF_EXT_UNSPEC = 0,
> > + IFLAF_VF_EXT_NAME = 1, /* string: stable namespace */
> > + IFLAF_VF_EXT_DATA = 2, /* binary: packed namespace nvlist */
> > + __IFLAF_VF_EXT_MAX
> > +};
> > +#define IFLAF_VF_EXT_MAX (__IFLAF_VF_EXT_MAX - 1)
> > +
> > +enum {
> > + IFLAF_VF_LINK_UNKNOWN = 0,
> > + IFLAF_VF_LINK_DOWN = 1,
> > + IFLAF_VF_LINK_UP = 2,
> > + IFLAF_VF_LINK_AUTO = 3,
> > +};
> > +
> > +enum {
> > + IFLAF_VF_VLAN_UNKNOWN = 0,
> > + IFLAF_VF_VLAN_ACCESS = 1,
> > + IFLAF_VF_VLAN_TRUNK = 2,
> > +};
> > +
> > /*
> > * Attributes that can be used as filters:
> > * IFLA_IFNAME, IFLA_GROUP, IFLA_ALT_IFNAME
> > diff --git a/sys/netlink/route/route_var.h b/sys/netlink/route/route_var.h
> > index 012dc5ad0594..23adf012733f 100644
> > --- a/sys/netlink/route/route_var.h
> > +++ b/sys/netlink/route/route_var.h
> > @@ -74,6 +74,7 @@ struct nl_parsed_link {
> > int ifi_index;
> > uint32_t ifla_link;
> > uint32_t ifla_mtu;
> > + uint32_t ifla_ext_mask;
> > uint32_t ifi_flags;
> > uint32_t ifi_change;
> > };
> > diff --git a/tests/atf_python/sys/netlink/attrs.py b/tests/atf_python/sys/netlink/attrs.py
> > index 36dd8191df1c..b0e03e50258e 100644
> > --- a/tests/atf_python/sys/netlink/attrs.py
> > +++ b/tests/atf_python/sys/netlink/attrs.py
> > @@ -137,6 +137,34 @@ class NlAttrU32(NlAttr):
> > return self._to_bytes(struct.pack("@I", self.u32))
> >
> >
> > +class NlAttrU64(NlAttr):
> > + def __init__(self, nla_type, val):
> > + self.u64 = enum_or_int(val)
> > + super().__init__(nla_type, b"")
> > +
> > + @property
> > + def nla_len(self):
> > + return 12
> > +
> > + def _print_attr_value(self):
> > + return " val={}".format(self.u64)
> > +
> > + @staticmethod
> > + def _validate(data):
> > + assert len(data) == 12
> > + nla_len, nla_type = struct.unpack("@HH", data[:4])
> > + assert nla_len == 12
> > +
> > + @classmethod
> > + def _parse(cls, data):
> > + nla_len, nla_type = struct.unpack("@HH", data[:4])
> > + val = struct.unpack("@Q", data[4:])[0]
> > + return cls(nla_type, val)
> > +
> > + def __bytes__(self):
> > + return self._to_bytes(struct.pack("@Q", self.u64))
> > +
> > +
> > class NlAttrS32(NlAttr):
> > def __init__(self, nla_type, val):
> > self.s32 = enum_or_int(val)
> > diff --git a/tests/atf_python/sys/netlink/netlink_route.py b/tests/atf_python/sys/netlink/netlink_route.py
> > index 2cfeb57da13f..d6edc6ad875d 100644
> > --- a/tests/atf_python/sys/netlink/netlink_route.py
> > +++ b/tests/atf_python/sys/netlink/netlink_route.py
> > @@ -13,7 +13,9 @@ from atf_python.sys.netlink.attrs import NlAttr
> > from atf_python.sys.netlink.attrs import NlAttrIp
> > from atf_python.sys.netlink.attrs import NlAttrNested
> > from atf_python.sys.netlink.attrs import NlAttrStr
> > +from atf_python.sys.netlink.attrs import NlAttrU16
> > from atf_python.sys.netlink.attrs import NlAttrU32
> > +from atf_python.sys.netlink.attrs import NlAttrU64
> > from atf_python.sys.netlink.attrs import NlAttrU8
> > from atf_python.sys.netlink.message import StdNetlinkMessage
> > from atf_python.sys.netlink.message import NlMsgProps
> > @@ -361,6 +363,56 @@ class IflafAttrType(Enum):
> > IFLAF_UNSPEC = 0
> > IFLAF_ORIG_IFNAME = 1
> > IFLAF_ORIG_HWADDR = 2
> > + IFLAF_CAPS = 3
> > + IFLAF_VF_STATUS = 4
> > +
> > +
> > +class IflafVfStatusType(Enum):
> > + IFLAF_VFS_UNSPEC = 0
> > + IFLAF_VFS_VERSION = 1
> > + IFLAF_VFS_ERROR = 2
> > + IFLAF_VFS_PF_LINK_STATE = 3
> > + IFLAF_VFS_PF_LINK_SPEED = 4
> > + IFLAF_VFS_LIST = 5
> > +
> > +
> > +class IflafVfListType(Enum):
> > + IFLAF_VF_LIST_UNSPEC = 0
> > + IFLAF_VF_LIST_ENTRY = 1
> > +
> > +
> > +class IflafVfType(Enum):
> > + IFLAF_VF_UNSPEC = 0
> > + IFLAF_VF_INDEX = 1
> > + IFLAF_VF_CONFIGURED = 2
> > + IFLAF_VF_INITIALIZED = 3
> > + IFLAF_VF_MAC = 4
> > + IFLAF_VF_VLAN_MODE = 5
> > + IFLAF_VF_VLAN = 6
> > + IFLAF_VF_VLAN_COUNT = 7
> > + IFLAF_VF_VLAN_LIMIT = 8
> > + IFLAF_VF_NUM_QUEUES = 9
> > + IFLAF_VF_ALLOW_SET_MAC = 10
> > + IFLAF_VF_ALLOW_SET_VLAN = 11
> > + IFLAF_VF_MAC_ANTI_SPOOF = 12
> > + IFLAF_VF_ALLOW_PROMISC = 13
> > + IFLAF_VF_TRAFFIC_ENABLED = 14
> > + IFLAF_VF_MDD_BLOCKED = 15
> > + IFLAF_VF_QUARANTINED = 16
> > + IFLAF_VF_API_VERSION = 17
> > + IFLAF_VF_LINK_STATE_POLICY = 18
> > + IFLAF_VF_EXTENSIONS = 19
> > +
> > +
> > +class IflafVfExtListType(Enum):
> > + IFLAF_VF_EXT_LIST_UNSPEC = 0
> > + IFLAF_VF_EXT_LIST_ENTRY = 1
> > +
> > +
> > +class IflafVfExtType(Enum):
> > + IFLAF_VF_EXT_UNSPEC = 0
> > + IFLAF_VF_EXT_NAME = 1
> > + IFLAF_VF_EXT_DATA = 2
> >
> >
> > class IflinkInfo(Enum):
> > @@ -621,6 +673,65 @@ rtnl_route_attrs = prepare_attrs_map(
> > ]
> > )
> >
> > +rtnl_iflaf_vf_ext_attrs = [
> > + AttrDescr(IflafVfExtType.IFLAF_VF_EXT_NAME, NlAttrStr),
> > + AttrDescr(IflafVfExtType.IFLAF_VF_EXT_DATA, NlAttr),
> > +]
> > +
> > +rtnl_iflaf_vf_ext_list_attrs = [
> > + AttrDescr(
> > + IflafVfExtListType.IFLAF_VF_EXT_LIST_ENTRY,
> > + NlAttrNested,
> > + rtnl_iflaf_vf_ext_attrs,
> > + ),
> > +]
> > +
> > +rtnl_iflaf_vf_attrs = [
> > + AttrDescr(IflafVfType.IFLAF_VF_INDEX, NlAttrU32),
> > + AttrDescr(IflafVfType.IFLAF_VF_CONFIGURED, NlAttrU8),
> > + AttrDescr(IflafVfType.IFLAF_VF_INITIALIZED, NlAttrU8),
> > + AttrDescr(IflafVfType.IFLAF_VF_MAC, NlAttrMac),
> > + AttrDescr(IflafVfType.IFLAF_VF_VLAN_MODE, NlAttrU8),
> > + AttrDescr(IflafVfType.IFLAF_VF_VLAN, NlAttrU16),
> > + AttrDescr(IflafVfType.IFLAF_VF_VLAN_COUNT, NlAttrU32),
> > + AttrDescr(IflafVfType.IFLAF_VF_VLAN_LIMIT, NlAttrU32),
> > + AttrDescr(IflafVfType.IFLAF_VF_NUM_QUEUES, NlAttrU32),
> > + AttrDescr(IflafVfType.IFLAF_VF_ALLOW_SET_MAC, NlAttrU8),
> > + AttrDescr(IflafVfType.IFLAF_VF_ALLOW_SET_VLAN, NlAttrU8),
> > + AttrDescr(IflafVfType.IFLAF_VF_MAC_ANTI_SPOOF, NlAttrU8),
> > + AttrDescr(IflafVfType.IFLAF_VF_ALLOW_PROMISC, NlAttrU8),
> > + AttrDescr(IflafVfType.IFLAF_VF_TRAFFIC_ENABLED, NlAttrU8),
> > + AttrDescr(IflafVfType.IFLAF_VF_MDD_BLOCKED, NlAttrU8),
> > + AttrDescr(IflafVfType.IFLAF_VF_QUARANTINED, NlAttrU8),
> > + AttrDescr(IflafVfType.IFLAF_VF_API_VERSION, NlAttrStr),
> > + AttrDescr(IflafVfType.IFLAF_VF_LINK_STATE_POLICY, NlAttrU8),
> > + AttrDescr(
> > + IflafVfType.IFLAF_VF_EXTENSIONS,
> > + NlAttrNested,
> > + rtnl_iflaf_vf_ext_list_attrs,
> > + ),
> > +]
> > +
> > +rtnl_iflaf_vf_list_attrs = [
> > + AttrDescr(
> > + IflafVfListType.IFLAF_VF_LIST_ENTRY,
> > + NlAttrNested,
> > + rtnl_iflaf_vf_attrs,
> > *** 195 LINES SKIPPED ***
> >
>
> I think we should minimize our use of nvlist(9) in the new code,
> especially under netlink.
> IMO, Using nvlist under netlink defeats the purpose.
Hi,
Is there a better way to do something like this
https://reviews.freebsd.org/D58739#change-0sX8k3Z9eTKs?
> looI don't think snl_attr_get_parray is appropriate for parser-only
> attributes.
> We should use multi-attr instead to avoid too many nested netlink
> attributes. (e.g. /* nested, IFLAF_VF_*; repeated */)
> https://docs.kernel.org/userspace-api/netlink/genetlink-legacy.html
>
> We might also want to use snl_attr_get_bool or snl_attr_get_flag for
> many of the data structures above.
>
> I wish there were a phabricator review for this change.
>
> --
> Pouria
>