Date: Mon, 14 Nov 2016 03:14:43 +0000 (UTC) From: Sepherosa Ziehau <sephe@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r308623 - in stable/11/sys: dev/hyperv/netvsc net Message-ID: <201611140314.uAE3Eh0q049046@repo.freebsd.org>
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Author: sephe Date: Mon Nov 14 03:14:43 2016 New Revision: 308623 URL: https://svnweb.freebsd.org/changeset/base/308623 Log: MFC 307985-307988 307985 hyperv/hn: Nuke unnecessary M_NETVSC Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D8340 307986 hyperv/hn: Move %b format string for capabilities near their definition. Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D8341 307987 hyperv/hn: Define empty packet filter. Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D8342 307988 hyperv/hn: Shuffle chimney sending buffer alloc/free around. This paves way for more chimney sending buffer reorganization. Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D8343 Modified: stable/11/sys/dev/hyperv/netvsc/hv_net_vsc.c stable/11/sys/dev/hyperv/netvsc/hv_net_vsc.h stable/11/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c stable/11/sys/dev/hyperv/netvsc/if_hnvar.h stable/11/sys/net/rndis.h Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/dev/hyperv/netvsc/hv_net_vsc.c ============================================================================== --- stable/11/sys/dev/hyperv/netvsc/hv_net_vsc.c Mon Nov 14 03:07:48 2016 (r308622) +++ stable/11/sys/dev/hyperv/netvsc/hv_net_vsc.c Mon Nov 14 03:14:43 2016 (r308623) @@ -52,8 +52,6 @@ #include <dev/hyperv/netvsc/if_hnreg.h> #include <dev/hyperv/netvsc/if_hnvar.h> -MALLOC_DEFINE(M_NETVSC, "netvsc", "Hyper-V netvsc driver"); - /* * Forward declarations */ @@ -75,33 +73,6 @@ static const uint32_t hn_nvs_version[] HN_NVS_VERSION_1 }; -uint32_t -hn_chim_alloc(struct hn_softc *sc) -{ - int i, bmap_cnt = sc->hn_chim_bmap_cnt; - u_long *bmap = sc->hn_chim_bmap; - uint32_t ret = HN_NVS_CHIM_IDX_INVALID; - - for (i = 0; i < bmap_cnt; ++i) { - int idx; - - idx = ffsl(~bmap[i]); - if (idx == 0) - continue; - - --idx; /* ffsl is 1-based */ - KASSERT(i * LONG_BIT + idx < sc->hn_chim_cnt, - ("invalid i %d and idx %d", i, idx)); - - if (atomic_testandset_long(&bmap[i], idx)) - continue; - - ret = i * LONG_BIT + idx; - break; - } - return (ret); -} - static const void * hn_nvs_xact_execute(struct hn_softc *sc, struct vmbus_xact *xact, void *req, int reqlen, size_t *resplen0, uint32_t type) @@ -308,7 +279,7 @@ hn_nvs_conn_chim(struct hn_softc *sc) sc->hn_chim_bmap_cnt = sc->hn_chim_cnt / LONG_BIT; sc->hn_chim_bmap = malloc(sc->hn_chim_bmap_cnt * sizeof(u_long), - M_NETVSC, M_WAITOK | M_ZERO); + M_DEVBUF, M_WAITOK | M_ZERO); /* Done! */ sc->hn_flags |= HN_FLAG_CHIM_CONNECTED; @@ -427,7 +398,7 @@ hn_nvs_disconn_chim(struct hn_softc *sc) } if (sc->hn_chim_bmap != NULL) { - free(sc->hn_chim_bmap, M_NETVSC); + free(sc->hn_chim_bmap, M_DEVBUF); sc->hn_chim_bmap = NULL; } return (0); @@ -650,25 +621,6 @@ hn_nvs_sent_none(struct hn_send_ctx *snd /* EMPTY */ } -void -hn_chim_free(struct hn_softc *sc, uint32_t chim_idx) -{ - u_long mask; - uint32_t idx; - - idx = chim_idx / LONG_BIT; - KASSERT(idx < sc->hn_chim_bmap_cnt, - ("invalid chimney index 0x%x", chim_idx)); - - mask = 1UL << (chim_idx % LONG_BIT); - KASSERT(sc->hn_chim_bmap[idx] & mask, - ("index bitmap 0x%lx, chimney index %u, " - "bitmap idx %d, bitmask 0x%lx", - sc->hn_chim_bmap[idx], chim_idx, idx, mask)); - - atomic_clear_long(&sc->hn_chim_bmap[idx], mask); -} - int hn_nvs_alloc_subchans(struct hn_softc *sc, int *nsubch0) { Modified: stable/11/sys/dev/hyperv/netvsc/hv_net_vsc.h ============================================================================== --- stable/11/sys/dev/hyperv/netvsc/hv_net_vsc.h Mon Nov 14 03:07:48 2016 (r308622) +++ stable/11/sys/dev/hyperv/netvsc/hv_net_vsc.h Mon Nov 14 03:14:43 2016 (r308623) @@ -66,8 +66,6 @@ #define HN_USE_TXDESC_BUFRING -MALLOC_DECLARE(M_NETVSC); - /* * The following arguably belongs in a separate header file */ @@ -277,6 +275,11 @@ struct hn_softc { #define HN_CAP_TSO6 0x0100 #define HN_CAP_HASHVAL 0x0200 +/* Capability description for use with printf(9) %b identifier. */ +#define HN_CAP_BITS \ + "\020\1VLAN\2MTU\3IPCS\4TCP4CS\5TCP6CS" \ + "\6UDP4CS\7UDP6CS\10TSO4\11TSO6\12HASHVAL" + #define HN_LINK_FLAG_LINKUP 0x0001 #define HN_LINK_FLAG_NETCHG 0x0002 Modified: stable/11/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c ============================================================================== --- stable/11/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Mon Nov 14 03:07:48 2016 (r308622) +++ stable/11/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Mon Nov 14 03:14:43 2016 (r308623) @@ -61,6 +61,7 @@ __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/systm.h> #include <sys/sockio.h> +#include <sys/limits.h> #include <sys/mbuf.h> #include <sys/malloc.h> #include <sys/module.h> @@ -457,6 +458,52 @@ hn_sendpkt_rndis_chim(struct hn_tx_ring &rndis, sizeof(rndis), &txd->send_ctx)); } +static __inline uint32_t +hn_chim_alloc(struct hn_softc *sc) +{ + int i, bmap_cnt = sc->hn_chim_bmap_cnt; + u_long *bmap = sc->hn_chim_bmap; + uint32_t ret = HN_NVS_CHIM_IDX_INVALID; + + for (i = 0; i < bmap_cnt; ++i) { + int idx; + + idx = ffsl(~bmap[i]); + if (idx == 0) + continue; + + --idx; /* ffsl is 1-based */ + KASSERT(i * LONG_BIT + idx < sc->hn_chim_cnt, + ("invalid i %d and idx %d", i, idx)); + + if (atomic_testandset_long(&bmap[i], idx)) + continue; + + ret = i * LONG_BIT + idx; + break; + } + return (ret); +} + +static __inline void +hn_chim_free(struct hn_softc *sc, uint32_t chim_idx) +{ + u_long mask; + uint32_t idx; + + idx = chim_idx / LONG_BIT; + KASSERT(idx < sc->hn_chim_bmap_cnt, + ("invalid chimney index 0x%x", chim_idx)); + + mask = 1UL << (chim_idx % LONG_BIT); + KASSERT(sc->hn_chim_bmap[idx] & mask, + ("index bitmap 0x%lx, chimney index %u, " + "bitmap idx %d, bitmask 0x%lx", + sc->hn_chim_bmap[idx], chim_idx, idx, mask)); + + atomic_clear_long(&sc->hn_chim_bmap[idx], mask); +} + static int hn_set_rxfilter(struct hn_softc *sc) { @@ -2379,18 +2426,7 @@ hn_caps_sysctl(SYSCTL_HANDLER_ARGS) HN_LOCK(sc); caps = sc->hn_caps; HN_UNLOCK(sc); - snprintf(caps_str, sizeof(caps_str), "%b", caps, - "\020" - "\001VLAN" - "\002MTU" - "\003IPCS" - "\004TCP4CS" - "\005TCP6CS" - "\006UDP4CS" - "\007UDP6CS" - "\010TSO4" - "\011TSO6" - "\012HASHVAL"); + snprintf(caps_str, sizeof(caps_str), "%b", caps, HN_CAP_BITS); return sysctl_handle_string(oidp, caps_str, sizeof(caps_str), req); } @@ -2606,7 +2642,7 @@ hn_create_rx_data(struct hn_softc *sc, i sc->hn_rx_ring_inuse = sc->hn_rx_ring_cnt; sc->hn_rx_ring = malloc(sizeof(struct hn_rx_ring) * sc->hn_rx_ring_cnt, - M_NETVSC, M_WAITOK | M_ZERO); + M_DEVBUF, M_WAITOK | M_ZERO); #if defined(INET) || defined(INET6) #if __FreeBSD_version >= 1100095 @@ -2647,7 +2683,7 @@ hn_create_rx_data(struct hn_softc *sc, i rxr->hn_ifp = sc->hn_ifp; if (i < sc->hn_tx_ring_cnt) rxr->hn_txr = &sc->hn_tx_ring[i]; - rxr->hn_rdbuf = malloc(NETVSC_PACKET_SIZE, M_NETVSC, M_WAITOK); + rxr->hn_rdbuf = malloc(NETVSC_PACKET_SIZE, M_DEVBUF, M_WAITOK); rxr->hn_rx_idx = i; rxr->hn_rxbuf = sc->hn_rxbuf; @@ -2794,9 +2830,9 @@ hn_destroy_rx_data(struct hn_softc *sc) #if defined(INET) || defined(INET6) tcp_lro_free(&rxr->hn_lro); #endif - free(rxr->hn_rdbuf, M_NETVSC); + free(rxr->hn_rdbuf, M_DEVBUF); } - free(sc->hn_rx_ring, M_NETVSC); + free(sc->hn_rx_ring, M_DEVBUF); sc->hn_rx_ring = NULL; sc->hn_rx_ring_cnt = 0; @@ -2821,11 +2857,11 @@ hn_create_tx_ring(struct hn_softc *sc, i txr->hn_txdesc_cnt = HN_TX_DESC_CNT; txr->hn_txdesc = malloc(sizeof(struct hn_txdesc) * txr->hn_txdesc_cnt, - M_NETVSC, M_WAITOK | M_ZERO); + M_DEVBUF, M_WAITOK | M_ZERO); #ifndef HN_USE_TXDESC_BUFRING SLIST_INIT(&txr->hn_txlist); #else - txr->hn_txdesc_br = buf_ring_alloc(txr->hn_txdesc_cnt, M_NETVSC, + txr->hn_txdesc_br = buf_ring_alloc(txr->hn_txdesc_cnt, M_DEVBUF, M_WAITOK, &txr->hn_tx_lock); #endif @@ -2843,7 +2879,7 @@ hn_create_tx_ring(struct hn_softc *sc, i TASK_INIT(&txr->hn_txeof_task, 0, hn_xmit_txeof_taskfunc, txr); br_depth = hn_get_txswq_depth(txr); - txr->hn_mbuf_br = buf_ring_alloc(br_depth, M_NETVSC, + txr->hn_mbuf_br = buf_ring_alloc(br_depth, M_DEVBUF, M_WAITOK, &txr->hn_tx_lock); } @@ -3026,14 +3062,14 @@ hn_destroy_tx_ring(struct hn_tx_ring *tx bus_dma_tag_destroy(txr->hn_tx_rndis_dtag); #ifdef HN_USE_TXDESC_BUFRING - buf_ring_free(txr->hn_txdesc_br, M_NETVSC); + buf_ring_free(txr->hn_txdesc_br, M_DEVBUF); #endif - free(txr->hn_txdesc, M_NETVSC); + free(txr->hn_txdesc, M_DEVBUF); txr->hn_txdesc = NULL; if (txr->hn_mbuf_br != NULL) - buf_ring_free(txr->hn_mbuf_br, M_NETVSC); + buf_ring_free(txr->hn_mbuf_br, M_DEVBUF); #ifndef HN_USE_TXDESC_BUFRING mtx_destroy(&txr->hn_txlist_spin); @@ -3065,7 +3101,7 @@ hn_create_tx_data(struct hn_softc *sc, i sc->hn_tx_ring_inuse = sc->hn_tx_ring_cnt; sc->hn_tx_ring = malloc(sizeof(struct hn_tx_ring) * sc->hn_tx_ring_cnt, - M_NETVSC, M_WAITOK | M_ZERO); + M_DEVBUF, M_WAITOK | M_ZERO); ctx = device_get_sysctl_ctx(sc->hn_dev); child = SYSCTL_CHILDREN(device_get_sysctl_tree(sc->hn_dev)); @@ -3225,7 +3261,7 @@ hn_destroy_tx_data(struct hn_softc *sc) for (i = 0; i < sc->hn_tx_ring_cnt; ++i) hn_destroy_tx_ring(&sc->hn_tx_ring[i]); - free(sc->hn_tx_ring, M_NETVSC); + free(sc->hn_tx_ring, M_DEVBUF); sc->hn_tx_ring = NULL; sc->hn_tx_ring_cnt = 0; @@ -3860,8 +3896,8 @@ hn_suspend_data(struct hn_softc *sc) /* * Disable RX by clearing RX filter. */ - hn_rndis_set_rxfilter(sc, 0); - sc->hn_rx_filter = 0; + sc->hn_rx_filter = NDIS_PACKET_TYPE_NONE; + hn_rndis_set_rxfilter(sc, sc->hn_rx_filter); /* * Give RNDIS enough time to flush all pending data packets. @@ -4175,12 +4211,12 @@ hn_chan_callback(struct vmbus_channel *c } else if (ret == ENOBUFS) { /* Handle large packet */ if (bufferlen > NETVSC_PACKET_SIZE) { - free(buffer, M_NETVSC); + free(buffer, M_DEVBUF); buffer = NULL; } /* alloc new buffer */ - buffer = malloc(bytes_rxed, M_NETVSC, M_NOWAIT); + buffer = malloc(bytes_rxed, M_DEVBUF, M_NOWAIT); if (buffer == NULL) { if_printf(rxr->hn_ifp, "hv_cb malloc buffer failed, len=%u\n", @@ -4196,7 +4232,7 @@ hn_chan_callback(struct vmbus_channel *c } while (1); if (bufferlen > NETVSC_PACKET_SIZE) - free(buffer, M_NETVSC); + free(buffer, M_DEVBUF); hv_rf_channel_rollup(rxr, rxr->hn_txr); } Modified: stable/11/sys/dev/hyperv/netvsc/if_hnvar.h ============================================================================== --- stable/11/sys/dev/hyperv/netvsc/if_hnvar.h Mon Nov 14 03:07:48 2016 (r308622) +++ stable/11/sys/dev/hyperv/netvsc/if_hnvar.h Mon Nov 14 03:14:43 2016 (r308623) @@ -94,9 +94,6 @@ hn_nvs_send_sglist(struct vmbus_channel struct vmbus_xact; struct rndis_packet_msg; -uint32_t hn_chim_alloc(struct hn_softc *sc); -void hn_chim_free(struct hn_softc *sc, uint32_t chim_idx); - int hn_rndis_attach(struct hn_softc *sc, int mtu); void hn_rndis_detach(struct hn_softc *sc); int hn_rndis_conf_rss(struct hn_softc *sc, uint16_t flags); @@ -106,7 +103,7 @@ int hn_rndis_query_rsscaps(struct hn_so int hn_rndis_get_eaddr(struct hn_softc *sc, uint8_t *eaddr); int hn_rndis_get_linkstatus(struct hn_softc *sc, uint32_t *link_status); -/* filter: NDIS_PACKET_TYPE_ or 0. */ +/* filter: NDIS_PACKET_TYPE_. */ int hn_rndis_set_rxfilter(struct hn_softc *sc, uint32_t filter); int hn_nvs_attach(struct hn_softc *sc, int mtu); Modified: stable/11/sys/net/rndis.h ============================================================================== --- stable/11/sys/net/rndis.h Mon Nov 14 03:07:48 2016 (r308622) +++ stable/11/sys/net/rndis.h Mon Nov 14 03:14:43 2016 (r308623) @@ -352,6 +352,7 @@ struct rndis_keepalive_comp { }; /* Packet filter bits used by OID_GEN_CURRENT_PACKET_FILTER */ +#define NDIS_PACKET_TYPE_NONE 0x00000000 #define NDIS_PACKET_TYPE_DIRECTED 0x00000001 #define NDIS_PACKET_TYPE_MULTICAST 0x00000002 #define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004
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