Author: sephe Date: Tue Aug 30 04:04:29 2016 New Revision: 305049 URL: https://svnweb.freebsd.org/changeset/base/305049
Log: hyperv/hn: Factor out func to exec RNDIS transaction w/o checking result It will be used by RNDIS HALT and RESET. MFC after: 1 week Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D7685 Modified: head/sys/dev/hyperv/netvsc/hv_rndis_filter.c Modified: head/sys/dev/hyperv/netvsc/hv_rndis_filter.c ============================================================================== --- head/sys/dev/hyperv/netvsc/hv_rndis_filter.c Tue Aug 30 03:55:43 2016 (r305048) +++ head/sys/dev/hyperv/netvsc/hv_rndis_filter.c Tue Aug 30 04:04:29 2016 (r305049) @@ -602,20 +602,15 @@ static uint8_t netvsc_hash_key[NDIS_HASH }; static const void * -hn_rndis_xact_execute(struct hn_softc *sc, struct vmbus_xact *xact, uint32_t rid, - size_t reqlen, size_t *comp_len0, uint32_t comp_type) +hn_rndis_xact_exec1(struct hn_softc *sc, struct vmbus_xact *xact, size_t reqlen, + struct hn_send_ctx *sndc, size_t *comp_len) { struct vmbus_gpa gpa[HN_XACT_REQ_PGCNT]; - const struct rndis_comp_hdr *comp; - bus_addr_t paddr; - size_t comp_len, min_complen = *comp_len0; int gpa_cnt, error; + bus_addr_t paddr; - KASSERT(rid > HN_RNDIS_RID_COMPAT_MAX, ("invalid rid %u\n", rid)); KASSERT(reqlen <= HN_XACT_REQ_SIZE && reqlen > 0, ("invalid request length %zu", reqlen)); - KASSERT(min_complen >= sizeof(*comp), - ("invalid minimum complete len %zu", min_complen)); /* * Setup the SG list. @@ -644,14 +639,34 @@ hn_rndis_xact_execute(struct hn_softc *s * message. */ vmbus_xact_activate(xact); - error = hv_nv_on_send(sc->hn_prichan, HN_NVS_RNDIS_MTYPE_CTRL, - &hn_send_ctx_none, gpa, gpa_cnt); + error = hv_nv_on_send(sc->hn_prichan, HN_NVS_RNDIS_MTYPE_CTRL, sndc, + gpa, gpa_cnt); if (error) { vmbus_xact_deactivate(xact); if_printf(sc->hn_ifp, "RNDIS ctrl send failed: %d\n", error); return (NULL); } - comp = vmbus_xact_wait(xact, &comp_len); + return (vmbus_xact_wait(xact, comp_len)); +} + +static const void * +hn_rndis_xact_execute(struct hn_softc *sc, struct vmbus_xact *xact, uint32_t rid, + size_t reqlen, size_t *comp_len0, uint32_t comp_type) +{ + const struct rndis_comp_hdr *comp; + size_t comp_len, min_complen = *comp_len0; + + KASSERT(rid > HN_RNDIS_RID_COMPAT_MAX, ("invalid rid %u\n", rid)); + KASSERT(min_complen >= sizeof(*comp), + ("invalid minimum complete len %zu", min_complen)); + + /* + * Execute the xact setup by the caller. + */ + comp = hn_rndis_xact_exec1(sc, xact, reqlen, &hn_send_ctx_none, + &comp_len); + if (comp == NULL) + return (NULL); /* * Check this RNDIS complete message. _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
