Author: sephe Date: Thu Sep 8 06:06:54 2016 New Revision: 305579 URL: https://svnweb.freebsd.org/changeset/base/305579
Log: hyperv/hn: Push RXBUF size adjustment down. It is not used in other places. MFC after: 1 week Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D7806 Modified: head/sys/dev/hyperv/netvsc/hv_net_vsc.c Modified: head/sys/dev/hyperv/netvsc/hv_net_vsc.c ============================================================================== --- head/sys/dev/hyperv/netvsc/hv_net_vsc.c Thu Sep 8 05:27:43 2016 (r305578) +++ head/sys/dev/hyperv/netvsc/hv_net_vsc.c Thu Sep 8 06:06:54 2016 (r305579) @@ -58,7 +58,7 @@ MALLOC_DEFINE(M_NETVSC, "netvsc", "Hyper * Forward declarations */ static int hv_nv_init_send_buffer_with_net_vsp(struct hn_softc *sc); -static int hv_nv_init_rx_buffer_with_net_vsp(struct hn_softc *, int); +static int hv_nv_init_rx_buffer_with_net_vsp(struct hn_softc *); static int hv_nv_destroy_send_buffer(struct hn_softc *sc); static int hv_nv_destroy_rx_buffer(struct hn_softc *sc); static int hv_nv_connect_to_vsp(struct hn_softc *sc); @@ -154,17 +154,22 @@ hn_nvs_req_send(struct hn_softc *sc, voi * Hyper-V extensible switch and the synthetic data path. */ static int -hv_nv_init_rx_buffer_with_net_vsp(struct hn_softc *sc, int rxbuf_size) +hv_nv_init_rx_buffer_with_net_vsp(struct hn_softc *sc) { struct vmbus_xact *xact = NULL; struct hn_nvs_rxbuf_conn *conn; const struct hn_nvs_rxbuf_connresp *resp; size_t resp_len; uint32_t status; - int error; + int error, rxbuf_size; - KASSERT(rxbuf_size <= NETVSC_RECEIVE_BUFFER_SIZE, - ("invalid rxbuf size %d", rxbuf_size)); + /* + * Limit RXBUF size for old NVS. + */ + if (sc->hn_nvs_ver <= NVSP_PROTOCOL_VERSION_2) + rxbuf_size = NETVSC_RECEIVE_BUFFER_SIZE_LEGACY; + else + rxbuf_size = NETVSC_RECEIVE_BUFFER_SIZE; /* * Connect the RXBUF GPADL to the primary channel. @@ -496,7 +501,6 @@ hv_nv_connect_to_vsp(struct hn_softc *sc device_t dev = sc->hn_dev; struct ifnet *ifp = sc->hn_ifp; struct hn_nvs_ndis_init ndis; - int rxbuf_size; /* * Negotiate the NVSP version. Try the latest NVSP first. @@ -548,13 +552,7 @@ hv_nv_connect_to_vsp(struct hn_softc *sc goto cleanup; } - /* Post the big receive buffer to NetVSP */ - if (sc->hn_nvs_ver <= NVSP_PROTOCOL_VERSION_2) - rxbuf_size = NETVSC_RECEIVE_BUFFER_SIZE_LEGACY; - else - rxbuf_size = NETVSC_RECEIVE_BUFFER_SIZE; - - ret = hv_nv_init_rx_buffer_with_net_vsp(sc, rxbuf_size); + ret = hv_nv_init_rx_buffer_with_net_vsp(sc); if (ret == 0) ret = hv_nv_init_send_buffer_with_net_vsp(sc); _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "[email protected]"
