Date: Sun, 09 Aug 2026 06:47:49 +0000 From: Kevin Bowling <kbowling@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: ceb282bbd62e - main - igb: Report SR-IOV VF status Message-ID: <6a782295.3fa8e.12bc1488@gitrepo.freebsd.org>
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The branch main has been updated by kbowling: URL: https://cgit.FreeBSD.org/src/commit/?id=ceb282bbd62eed5e84df9abaede0dd183f66997a commit ceb282bbd62eed5e84df9abaede0dd183f66997a Author: Kevin Bowling <kbowling@FreeBSD.org> AuthorDate: 2026-08-08 17:37:20 +0000 Commit: Kevin Bowling <kbowling@FreeBSD.org> CommitDate: 2026-08-09 06:46:57 +0000 igb: Report SR-IOV VF status Expose the cached per-VF configuration through the iflib VF status method. Report mailbox handshake state, MAC address, access or trunk VLAN mode, hardware queue count, administrator policy, and MDD blocking state without issuing mailbox requests or reading hardware registers. --- sys/dev/e1000/if_em.c | 1 + sys/dev/e1000/if_igb_iov.c | 58 ++++++++++++++++++++++++++++++++++++++++++++++ sys/dev/e1000/if_igb_iov.h | 1 + 3 files changed, 60 insertions(+) diff --git a/sys/dev/e1000/if_em.c b/sys/dev/e1000/if_em.c index 44c5ec7a850c..d9db4677bf62 100644 --- a/sys/dev/e1000/if_em.c +++ b/sys/dev/e1000/if_em.c @@ -665,6 +665,7 @@ static device_method_t igb_if_methods[] = { DEVMETHOD(ifdi_iov_init, igb_if_iov_init), DEVMETHOD(ifdi_iov_uninit, igb_if_iov_uninit), DEVMETHOD(ifdi_iov_vf_add, igb_if_iov_vf_add), + DEVMETHOD(ifdi_vf_status, igb_if_vf_status), #endif DEVMETHOD_END }; diff --git a/sys/dev/e1000/if_igb_iov.c b/sys/dev/e1000/if_igb_iov.c index dc4b23397431..e62ca8aa029c 100644 --- a/sys/dev/e1000/if_igb_iov.c +++ b/sys/dev/e1000/if_igb_iov.c @@ -1995,6 +1995,64 @@ igb_iov_validate(struct e1000_softc *sc, u16 num_vfs) return (0); } +int +igb_if_vf_status(if_ctx_t ctx, nvlist_t *status) +{ + struct e1000_softc *sc; + struct igb_vf *vf; + nvlist_t **vfs; + u_int num_queues; + int error, i; + + sc = iflib_get_softc(ctx); + if (sc->num_vfs == 0) + return (ENXIO); + num_queues = sc->hw.mac.type == e1000_82576 ? + IGB_82576_VF_QUEUES : IGB_I350_VF_QUEUES; + vfs = mallocarray(sc->num_vfs, sizeof(*vfs), M_IGB_IOV, + M_WAITOK | M_ZERO); + for (i = 0; i < sc->num_vfs; i++) { + vf = &sc->vfs[i]; + vfs[i] = nvlist_create(0); + nvlist_add_number(vfs[i], IFVF_STATUS_INDEX, i); + nvlist_add_bool(vfs[i], IFVF_STATUS_CONFIGURED, + (vf->flags & IGB_VF_ACTIVE) != 0); + nvlist_add_bool(vfs[i], IFVF_STATUS_INITIALIZED, + (vf->flags & IGB_VF_CTS) != 0); + nvlist_add_binary(vfs[i], IFVF_STATUS_MAC, vf->mac, + ETHER_ADDR_LEN); + if (vf->default_vlan == 0) + nvlist_add_string(vfs[i], IFVF_STATUS_VLAN_MODE, + IFVF_VLAN_MODE_TRUNK); + else { + nvlist_add_string(vfs[i], IFVF_STATUS_VLAN_MODE, + IFVF_VLAN_MODE_ACCESS); + nvlist_add_number(vfs[i], IFVF_STATUS_VLAN, + vf->default_vlan); + } + nvlist_add_number(vfs[i], IFVF_STATUS_VLAN_COUNT, + vf->vlan_count); + nvlist_add_number(vfs[i], IFVF_STATUS_NUM_QUEUES, num_queues); + nvlist_add_bool(vfs[i], IFVF_STATUS_ALLOW_SET_MAC, + (vf->flags & IGB_VF_CAP_MAC) != 0); + nvlist_add_bool(vfs[i], IFVF_STATUS_ALLOW_SET_VLAN, + vf->default_vlan == 0); + nvlist_add_bool(vfs[i], IFVF_STATUS_MAC_ANTI_SPOOF, + (vf->flags & IGB_VF_MAC_ANTI_SPOOF) != 0); + nvlist_add_bool(vfs[i], IFVF_STATUS_ALLOW_PROMISC, + (vf->flags & IGB_VF_ALLOW_PROMISC) != 0); + nvlist_add_bool(vfs[i], IFVF_STATUS_MDD_BLOCKED, + (vf->flags & IGB_VF_MDD_BLOCKED) != 0); + } + nvlist_add_nvlist_array(status, IFVF_STATUS_VFS, + (const nvlist_t * const *)vfs, sc->num_vfs); + error = nvlist_error(status); + for (i = 0; i < sc->num_vfs; i++) + nvlist_destroy(vfs[i]); + free(vfs, M_IGB_IOV); + return (error); +} + int igb_if_iov_init(if_ctx_t ctx, u16 num_vfs, const nvlist_t *config) { diff --git a/sys/dev/e1000/if_igb_iov.h b/sys/dev/e1000/if_igb_iov.h index 8bd576d47649..390e63175c7a 100644 --- a/sys/dev/e1000/if_igb_iov.h +++ b/sys/dev/e1000/if_igb_iov.h @@ -24,6 +24,7 @@ int igb_iov_validate(struct e1000_softc *, u16); int igb_if_iov_init(if_ctx_t, u16, const nvlist_t *); void igb_if_iov_uninit(if_ctx_t); int igb_if_iov_vf_add(if_ctx_t, u16, const nvlist_t *); +int igb_if_vf_status(if_ctx_t, nvlist_t *); void igb_iov_initialize(struct e1000_softc *); void igb_iov_handle_mbx(struct e1000_softc *); void igb_iov_handle_mdd(struct e1000_softc *);home | help
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