Date: Tue, 24 Jan 2017 09:25:42 +0000 (UTC) From: Dexuan Cui <dexuan@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r312689 - head/sys/dev/hyperv/netvsc Message-ID: <201701240925.v0O9PgYE025116@repo.freebsd.org>
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Author: dexuan Date: Tue Jan 24 09:25:42 2017 New Revision: 312689 URL: https://svnweb.freebsd.org/changeset/base/312689 Log: hyperv/hn: add a sysctl name for the VF interface This makes it easier for the userland script to find the releated VF interface. Reviewed by: sephe Approved by: sephe (mentor) MFC after: 2 weeks Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D9101 Modified: head/sys/dev/hyperv/netvsc/if_hn.c Modified: head/sys/dev/hyperv/netvsc/if_hn.c ============================================================================== --- head/sys/dev/hyperv/netvsc/if_hn.c Tue Jan 24 09:24:14 2017 (r312688) +++ head/sys/dev/hyperv/netvsc/if_hn.c Tue Jan 24 09:25:42 2017 (r312689) @@ -301,6 +301,7 @@ static int hn_txagg_pkts_sysctl(SYSCTL static int hn_txagg_pktmax_sysctl(SYSCTL_HANDLER_ARGS); static int hn_txagg_align_sysctl(SYSCTL_HANDLER_ARGS); static int hn_polling_sysctl(SYSCTL_HANDLER_ARGS); +static int hn_vf_sysctl(SYSCTL_HANDLER_ARGS); static void hn_stop(struct hn_softc *, bool); static void hn_init_locked(struct hn_softc *); @@ -1254,6 +1255,9 @@ hn_attach(device_t dev) CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_MPSAFE, sc, 0, hn_polling_sysctl, "I", "Polling frequency: [100,1000000], 0 disable polling"); + SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "vf", + CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0, + hn_vf_sysctl, "A", "Virtual Function's name"); /* * Setup the ifmedia, which has been initialized earlier. @@ -3222,6 +3226,22 @@ hn_rss_hash_sysctl(SYSCTL_HANDLER_ARGS) } static int +hn_vf_sysctl(SYSCTL_HANDLER_ARGS) +{ + struct hn_softc *sc = arg1; + char vf_name[128]; + struct ifnet *vf; + + HN_LOCK(sc); + vf_name[0] = '\0'; + vf = sc->hn_rx_ring[0].hn_vf; + if (vf != NULL) + snprintf(vf_name, sizeof(vf_name), "%s", if_name(vf)); + HN_UNLOCK(sc); + return sysctl_handle_string(oidp, vf_name, sizeof(vf_name), req); +} + +static int hn_check_iplen(const struct mbuf *m, int hoff) { const struct ip *ip;
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