Date: Mon, 14 Nov 2016 05:41:37 +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: r308629 - stable/11/sys/dev/hyperv/netvsc Message-ID: <201611140541.uAE5fcAe008693@repo.freebsd.org>
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Author: sephe Date: Mon Nov 14 05:41:37 2016 New Revision: 308629 URL: https://svnweb.freebsd.org/changeset/base/308629 Log: MFC 308162 hyperv/hn: Cosmetic cleanup; no functional changes. Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D8389 Modified: stable/11/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Directory Properties: stable/11/ (props changed) 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 05:37:34 2016 (r308628) +++ stable/11/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Mon Nov 14 05:41:37 2016 (r308629) @@ -59,62 +59,41 @@ __FBSDID("$FreeBSD$"); #include "opt_inet.h" #include <sys/param.h> -#include <sys/systm.h> -#include <sys/sockio.h> +#include <sys/bus.h> +#include <sys/kernel.h> #include <sys/limits.h> -#include <sys/mbuf.h> #include <sys/malloc.h> +#include <sys/mbuf.h> #include <sys/module.h> -#include <sys/kernel.h> -#include <sys/socket.h> #include <sys/queue.h> #include <sys/lock.h> -#include <sys/sx.h> #include <sys/smp.h> +#include <sys/socket.h> +#include <sys/sockio.h> +#include <sys/sx.h> #include <sys/sysctl.h> -#include <sys/buf_ring.h> +#include <sys/systm.h> #include <sys/taskqueue.h> +#include <sys/buf_ring.h> -#include <net/if.h> -#include <net/if_arp.h> +#include <machine/atomic.h> +#include <machine/in_cksum.h> + +#include <net/bpf.h> #include <net/ethernet.h> -#include <net/if_dl.h> +#include <net/if.h> #include <net/if_media.h> -#include <net/rndis.h> -#include <net/bpf.h> - -#include <net/if_var.h> #include <net/if_types.h> -#include <net/if_vlan_var.h> +#include <net/if_var.h> +#include <net/rndis.h> #include <netinet/in_systm.h> #include <netinet/in.h> #include <netinet/ip.h> -#include <netinet/if_ether.h> +#include <netinet/ip6.h> #include <netinet/tcp.h> #include <netinet/tcp_lro.h> #include <netinet/udp.h> -#include <netinet/ip6.h> - -#include <vm/vm.h> -#include <vm/vm_param.h> -#include <vm/vm_kern.h> -#include <vm/pmap.h> - -#include <machine/bus.h> -#include <machine/resource.h> -#include <machine/frame.h> - -#include <sys/bus.h> -#include <sys/rman.h> -#include <sys/mutex.h> -#include <sys/errno.h> -#include <sys/types.h> -#include <machine/atomic.h> - -#include <machine/intr_machdep.h> - -#include <machine/in_cksum.h> #include <dev/hyperv/include/hyperv.h> #include <dev/hyperv/include/hyperv_busdma.h> @@ -129,24 +108,11 @@ __FBSDID("$FreeBSD$"); #include "vmbus_if.h" -/* Short for Hyper-V network interface */ -#define NETVSC_DEVNAME "hn" - -/* - * It looks like offset 0 of buf is reserved to hold the softc pointer. - * The sc pointer evidently not needed, and is not presently populated. - * The packet offset is where the netvsc_packet starts in the buffer. - */ -#define HV_NV_SC_PTR_OFFSET_IN_BUF 0 -#define HV_NV_PACKET_OFFSET_IN_BUF 16 +#define HN_RING_CNT_DEF_MAX 8 /* YYY should get it from the underlying channel */ #define HN_TX_DESC_CNT 512 -#define HN_LROENT_CNT_DEF 128 - -#define HN_RING_CNT_DEF_MAX 8 - #define HN_RNDIS_PKT_LEN \ (sizeof(struct rndis_packet_msg) + \ HN_RNDIS_PKTINFO_SIZE(HN_NDIS_HASH_VALUE_SIZE) + \ @@ -166,50 +132,9 @@ __FBSDID("$FreeBSD$"); #define HN_EARLY_TXEOF_THRESH 8 -#define HN_RXINFO_VLAN 0x0001 -#define HN_RXINFO_CSUM 0x0002 -#define HN_RXINFO_HASHINF 0x0004 -#define HN_RXINFO_HASHVAL 0x0008 -#define HN_RXINFO_ALL \ - (HN_RXINFO_VLAN | \ - HN_RXINFO_CSUM | \ - HN_RXINFO_HASHINF | \ - HN_RXINFO_HASHVAL) - #define HN_PKTBUF_LEN_DEF (16 * 1024) -struct hn_txdesc { -#ifndef HN_USE_TXDESC_BUFRING - SLIST_ENTRY(hn_txdesc) link; -#endif - struct mbuf *m; - struct hn_tx_ring *txr; - int refs; - uint32_t flags; /* HN_TXD_FLAG_ */ - struct hn_nvs_sendctx send_ctx; - uint32_t chim_index; - int chim_size; - - bus_dmamap_t data_dmap; - - bus_addr_t rndis_pkt_paddr; - struct rndis_packet_msg *rndis_pkt; - bus_dmamap_t rndis_pkt_dmap; -}; - -#define HN_TXD_FLAG_ONLIST 0x1 -#define HN_TXD_FLAG_DMAMAP 0x2 - -#define HN_NDIS_VLAN_INFO_INVALID 0xffffffff -#define HN_NDIS_RXCSUM_INFO_INVALID 0 -#define HN_NDIS_HASH_INFO_INVALID 0 - -struct hn_rxinfo { - uint32_t vlan_info; - uint32_t csum_info; - uint32_t hash_info; - uint32_t hash_value; -}; +#define HN_LROENT_CNT_DEF 128 #define HN_LRO_LENLIM_MULTIRX_DEF (12 * ETHERMTU) #define HN_LRO_LENLIM_DEF (25 * ETHERMTU) @@ -220,8 +145,8 @@ struct hn_rxinfo { #define HN_LOCK_INIT(sc) \ sx_init(&(sc)->hn_lock, device_get_nameunit((sc)->hn_dev)) -#define HN_LOCK_ASSERT(sc) sx_assert(&(sc)->hn_lock, SA_XLOCKED) #define HN_LOCK_DESTROY(sc) sx_destroy(&(sc)->hn_lock) +#define HN_LOCK_ASSERT(sc) sx_assert(&(sc)->hn_lock, SA_XLOCKED) #define HN_LOCK(sc) sx_xlock(&(sc)->hn_lock) #define HN_UNLOCK(sc) sx_xunlock(&(sc)->hn_lock) @@ -232,199 +157,276 @@ struct hn_rxinfo { #define HN_CSUM_IP6_HWASSIST(sc) \ ((sc)->hn_tx_ring[0].hn_csum_assist & HN_CSUM_IP6_MASK) -/* - * Globals - */ +struct hn_txdesc { +#ifndef HN_USE_TXDESC_BUFRING + SLIST_ENTRY(hn_txdesc) link; +#endif + struct mbuf *m; + struct hn_tx_ring *txr; + int refs; + uint32_t flags; /* HN_TXD_FLAG_ */ + struct hn_nvs_sendctx send_ctx; + uint32_t chim_index; + int chim_size; + + bus_dmamap_t data_dmap; + + bus_addr_t rndis_pkt_paddr; + struct rndis_packet_msg *rndis_pkt; + bus_dmamap_t rndis_pkt_dmap; +}; + +#define HN_TXD_FLAG_ONLIST 0x0001 +#define HN_TXD_FLAG_DMAMAP 0x0002 + +struct hn_rxinfo { + uint32_t vlan_info; + uint32_t csum_info; + uint32_t hash_info; + uint32_t hash_value; +}; + +#define HN_RXINFO_VLAN 0x0001 +#define HN_RXINFO_CSUM 0x0002 +#define HN_RXINFO_HASHINF 0x0004 +#define HN_RXINFO_HASHVAL 0x0008 +#define HN_RXINFO_ALL \ + (HN_RXINFO_VLAN | \ + HN_RXINFO_CSUM | \ + HN_RXINFO_HASHINF | \ + HN_RXINFO_HASHVAL) + +#define HN_NDIS_VLAN_INFO_INVALID 0xffffffff +#define HN_NDIS_RXCSUM_INFO_INVALID 0 +#define HN_NDIS_HASH_INFO_INVALID 0 + +static int hn_probe(device_t); +static int hn_attach(device_t); +static int hn_detach(device_t); +static int hn_shutdown(device_t); +static void hn_chan_callback(struct vmbus_channel *, + void *); + +static void hn_init(void *); +static int hn_ioctl(struct ifnet *, u_long, caddr_t); +static void hn_start(struct ifnet *); +static int hn_transmit(struct ifnet *, struct mbuf *); +static void hn_xmit_qflush(struct ifnet *); +static int hn_ifmedia_upd(struct ifnet *); +static void hn_ifmedia_sts(struct ifnet *, + struct ifmediareq *); + +static int hn_rndis_rxinfo(const void *, int, + struct hn_rxinfo *); +static void hn_rndis_rx_data(struct hn_rx_ring *, + const void *, int); +static void hn_rndis_rx_status(struct hn_softc *, + const void *, int); + +static void hn_nvs_handle_notify(struct hn_softc *, + const struct vmbus_chanpkt_hdr *); +static void hn_nvs_handle_comp(struct hn_softc *, + struct vmbus_channel *, + const struct vmbus_chanpkt_hdr *); +static void hn_nvs_handle_rxbuf(struct hn_rx_ring *, + struct vmbus_channel *, + const struct vmbus_chanpkt_hdr *); +static void hn_nvs_ack_rxbuf(struct hn_rx_ring *, + struct vmbus_channel *, uint64_t); + +#if __FreeBSD_version >= 1100099 +static int hn_lro_lenlim_sysctl(SYSCTL_HANDLER_ARGS); +static int hn_lro_ackcnt_sysctl(SYSCTL_HANDLER_ARGS); +#endif +static int hn_trust_hcsum_sysctl(SYSCTL_HANDLER_ARGS); +static int hn_chim_size_sysctl(SYSCTL_HANDLER_ARGS); +#if __FreeBSD_version < 1100095 +static int hn_rx_stat_int_sysctl(SYSCTL_HANDLER_ARGS); +#else +static int hn_rx_stat_u64_sysctl(SYSCTL_HANDLER_ARGS); +#endif +static int hn_rx_stat_ulong_sysctl(SYSCTL_HANDLER_ARGS); +static int hn_tx_stat_ulong_sysctl(SYSCTL_HANDLER_ARGS); +static int hn_tx_conf_int_sysctl(SYSCTL_HANDLER_ARGS); +static int hn_ndis_version_sysctl(SYSCTL_HANDLER_ARGS); +static int hn_caps_sysctl(SYSCTL_HANDLER_ARGS); +static int hn_hwassist_sysctl(SYSCTL_HANDLER_ARGS); +static int hn_rxfilter_sysctl(SYSCTL_HANDLER_ARGS); +static int hn_rss_key_sysctl(SYSCTL_HANDLER_ARGS); +static int hn_rss_ind_sysctl(SYSCTL_HANDLER_ARGS); +static int hn_rss_hash_sysctl(SYSCTL_HANDLER_ARGS); + +static void hn_stop(struct hn_softc *); +static void hn_init_locked(struct hn_softc *); +static int hn_chan_attach(struct hn_softc *, + struct vmbus_channel *); +static void hn_chan_detach(struct hn_softc *, + struct vmbus_channel *); +static int hn_attach_subchans(struct hn_softc *); +static void hn_detach_allchans(struct hn_softc *); +static void hn_chan_rollup(struct hn_rx_ring *, + struct hn_tx_ring *); +static void hn_set_ring_inuse(struct hn_softc *, int); +static int hn_synth_attach(struct hn_softc *, int); +static void hn_synth_detach(struct hn_softc *); +static int hn_synth_alloc_subchans(struct hn_softc *, + int *); +static void hn_suspend(struct hn_softc *); +static void hn_suspend_data(struct hn_softc *); +static void hn_suspend_mgmt(struct hn_softc *); +static void hn_resume(struct hn_softc *); +static void hn_resume_data(struct hn_softc *); +static void hn_resume_mgmt(struct hn_softc *); +static void hn_suspend_mgmt_taskfunc(void *, int); +static void hn_chan_drain(struct vmbus_channel *); + +static void hn_update_link_status(struct hn_softc *); +static void hn_change_network(struct hn_softc *); +static void hn_link_taskfunc(void *, int); +static void hn_netchg_init_taskfunc(void *, int); +static void hn_netchg_status_taskfunc(void *, int); +static void hn_link_status(struct hn_softc *); + +static int hn_create_rx_data(struct hn_softc *, int); +static void hn_destroy_rx_data(struct hn_softc *); +static int hn_check_iplen(const struct mbuf *, int); +static int hn_set_rxfilter(struct hn_softc *); +static int hn_rss_reconfig(struct hn_softc *); +static void hn_rss_ind_fixup(struct hn_softc *, int); +static int hn_rxpkt(struct hn_rx_ring *, const void *, + int, const struct hn_rxinfo *); + +static int hn_tx_ring_create(struct hn_softc *, int); +static void hn_tx_ring_destroy(struct hn_tx_ring *); +static int hn_create_tx_data(struct hn_softc *, int); +static void hn_fixup_tx_data(struct hn_softc *); +static void hn_destroy_tx_data(struct hn_softc *); +static void hn_txdesc_dmamap_destroy(struct hn_txdesc *); +static int hn_encap(struct hn_tx_ring *, + struct hn_txdesc *, struct mbuf **); +static int hn_txpkt(struct ifnet *, struct hn_tx_ring *, + struct hn_txdesc *); +static void hn_set_chim_size(struct hn_softc *, int); +static void hn_set_tso_maxsize(struct hn_softc *, int, int); +static bool hn_tx_ring_pending(struct hn_tx_ring *); +static void hn_tx_ring_qflush(struct hn_tx_ring *); +static void hn_resume_tx(struct hn_softc *, int); +static int hn_get_txswq_depth(const struct hn_tx_ring *); +static void hn_txpkt_done(struct hn_nvs_sendctx *, + struct hn_softc *, struct vmbus_channel *, + const void *, int); +static int hn_txpkt_sglist(struct hn_tx_ring *, + struct hn_txdesc *); +static int hn_txpkt_chim(struct hn_tx_ring *, + struct hn_txdesc *); +static int hn_xmit(struct hn_tx_ring *, int); +static void hn_xmit_taskfunc(void *, int); +static void hn_xmit_txeof(struct hn_tx_ring *); +static void hn_xmit_txeof_taskfunc(void *, int); +static int hn_start_locked(struct hn_tx_ring *, int); +static void hn_start_taskfunc(void *, int); +static void hn_start_txeof(struct hn_tx_ring *); +static void hn_start_txeof_taskfunc(void *, int); SYSCTL_NODE(_hw, OID_AUTO, hn, CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Hyper-V network interface"); /* Trust tcp segements verification on host side. */ -static int hn_trust_hosttcp = 1; +static int hn_trust_hosttcp = 1; SYSCTL_INT(_hw_hn, OID_AUTO, trust_hosttcp, CTLFLAG_RDTUN, &hn_trust_hosttcp, 0, "Trust tcp segement verification on host side, " "when csum info is missing (global setting)"); /* Trust udp datagrams verification on host side. */ -static int hn_trust_hostudp = 1; +static int hn_trust_hostudp = 1; SYSCTL_INT(_hw_hn, OID_AUTO, trust_hostudp, CTLFLAG_RDTUN, &hn_trust_hostudp, 0, "Trust udp datagram verification on host side, " "when csum info is missing (global setting)"); /* Trust ip packets verification on host side. */ -static int hn_trust_hostip = 1; +static int hn_trust_hostip = 1; SYSCTL_INT(_hw_hn, OID_AUTO, trust_hostip, CTLFLAG_RDTUN, &hn_trust_hostip, 0, "Trust ip packet verification on host side, " "when csum info is missing (global setting)"); /* Limit TSO burst size */ -static int hn_tso_maxlen = IP_MAXPACKET; +static int hn_tso_maxlen = IP_MAXPACKET; SYSCTL_INT(_hw_hn, OID_AUTO, tso_maxlen, CTLFLAG_RDTUN, &hn_tso_maxlen, 0, "TSO burst limit"); /* Limit chimney send size */ -static int hn_tx_chimney_size = 0; +static int hn_tx_chimney_size = 0; SYSCTL_INT(_hw_hn, OID_AUTO, tx_chimney_size, CTLFLAG_RDTUN, &hn_tx_chimney_size, 0, "Chimney send packet size limit"); /* Limit the size of packet for direct transmission */ -static int hn_direct_tx_size = HN_DIRECT_TX_SIZE_DEF; +static int hn_direct_tx_size = HN_DIRECT_TX_SIZE_DEF; SYSCTL_INT(_hw_hn, OID_AUTO, direct_tx_size, CTLFLAG_RDTUN, &hn_direct_tx_size, 0, "Size of the packet for direct transmission"); +/* # of LRO entries per RX ring */ #if defined(INET) || defined(INET6) #if __FreeBSD_version >= 1100095 -static int hn_lro_entry_count = HN_LROENT_CNT_DEF; +static int hn_lro_entry_count = HN_LROENT_CNT_DEF; SYSCTL_INT(_hw_hn, OID_AUTO, lro_entry_count, CTLFLAG_RDTUN, &hn_lro_entry_count, 0, "LRO entry count"); #endif #endif -static int hn_share_tx_taskq = 0; +/* Use shared TX taskqueue */ +static int hn_share_tx_taskq = 0; SYSCTL_INT(_hw_hn, OID_AUTO, share_tx_taskq, CTLFLAG_RDTUN, &hn_share_tx_taskq, 0, "Enable shared TX taskqueue"); -static struct taskqueue *hn_tx_taskq; - #ifndef HN_USE_TXDESC_BUFRING -static int hn_use_txdesc_bufring = 0; +static int hn_use_txdesc_bufring = 0; #else -static int hn_use_txdesc_bufring = 1; +static int hn_use_txdesc_bufring = 1; #endif SYSCTL_INT(_hw_hn, OID_AUTO, use_txdesc_bufring, CTLFLAG_RD, &hn_use_txdesc_bufring, 0, "Use buf_ring for TX descriptors"); -static int hn_bind_tx_taskq = -1; +/* Bind TX taskqueue to the target CPU */ +static int hn_bind_tx_taskq = -1; SYSCTL_INT(_hw_hn, OID_AUTO, bind_tx_taskq, CTLFLAG_RDTUN, &hn_bind_tx_taskq, 0, "Bind TX taskqueue to the specified cpu"); -static int hn_use_if_start = 0; +/* Use ifnet.if_start instead of ifnet.if_transmit */ +static int hn_use_if_start = 0; SYSCTL_INT(_hw_hn, OID_AUTO, use_if_start, CTLFLAG_RDTUN, &hn_use_if_start, 0, "Use if_start TX method"); -static int hn_chan_cnt = 0; +/* # of channels to use */ +static int hn_chan_cnt = 0; SYSCTL_INT(_hw_hn, OID_AUTO, chan_cnt, CTLFLAG_RDTUN, &hn_chan_cnt, 0, "# of channels to use; each channel has one RX ring and one TX ring"); -static int hn_tx_ring_cnt = 0; +/* # of transmit rings to use */ +static int hn_tx_ring_cnt = 0; SYSCTL_INT(_hw_hn, OID_AUTO, tx_ring_cnt, CTLFLAG_RDTUN, &hn_tx_ring_cnt, 0, "# of TX rings to use"); -static int hn_tx_swq_depth = 0; +/* Software TX ring deptch */ +static int hn_tx_swq_depth = 0; SYSCTL_INT(_hw_hn, OID_AUTO, tx_swq_depth, CTLFLAG_RDTUN, &hn_tx_swq_depth, 0, "Depth of IFQ or BUFRING"); +/* Enable sorted LRO, and the depth of the per-channel mbuf queue */ #if __FreeBSD_version >= 1100095 -static u_int hn_lro_mbufq_depth = 0; +static u_int hn_lro_mbufq_depth = 0; SYSCTL_UINT(_hw_hn, OID_AUTO, lro_mbufq_depth, CTLFLAG_RDTUN, &hn_lro_mbufq_depth, 0, "Depth of LRO mbuf queue"); #endif -static u_int hn_cpu_index; - -/* - * Forward declarations - */ -static void hn_stop(struct hn_softc *sc); -static void hn_init_locked(struct hn_softc *sc); -static void hn_init(void *xsc); -static int hn_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data); -static int hn_start_locked(struct hn_tx_ring *txr, int len); -static void hn_start(struct ifnet *ifp); -static void hn_start_txeof(struct hn_tx_ring *); -static int hn_ifmedia_upd(struct ifnet *ifp); -static void hn_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr); -#if __FreeBSD_version >= 1100099 -static int hn_lro_lenlim_sysctl(SYSCTL_HANDLER_ARGS); -static int hn_lro_ackcnt_sysctl(SYSCTL_HANDLER_ARGS); -#endif -static int hn_trust_hcsum_sysctl(SYSCTL_HANDLER_ARGS); -static int hn_chim_size_sysctl(SYSCTL_HANDLER_ARGS); -#if __FreeBSD_version < 1100095 -static int hn_rx_stat_int_sysctl(SYSCTL_HANDLER_ARGS); -#else -static int hn_rx_stat_u64_sysctl(SYSCTL_HANDLER_ARGS); -#endif -static int hn_rx_stat_ulong_sysctl(SYSCTL_HANDLER_ARGS); -static int hn_tx_stat_ulong_sysctl(SYSCTL_HANDLER_ARGS); -static int hn_tx_conf_int_sysctl(SYSCTL_HANDLER_ARGS); -static int hn_ndis_version_sysctl(SYSCTL_HANDLER_ARGS); -static int hn_caps_sysctl(SYSCTL_HANDLER_ARGS); -static int hn_hwassist_sysctl(SYSCTL_HANDLER_ARGS); -static int hn_rxfilter_sysctl(SYSCTL_HANDLER_ARGS); -static int hn_rss_key_sysctl(SYSCTL_HANDLER_ARGS); -static int hn_rss_ind_sysctl(SYSCTL_HANDLER_ARGS); -static int hn_rss_hash_sysctl(SYSCTL_HANDLER_ARGS); -static int hn_check_iplen(const struct mbuf *, int); -static int hn_create_tx_ring(struct hn_softc *, int); -static void hn_destroy_tx_ring(struct hn_tx_ring *); -static int hn_create_tx_data(struct hn_softc *, int); -static void hn_fixup_tx_data(struct hn_softc *); -static void hn_destroy_tx_data(struct hn_softc *); -static void hn_start_taskfunc(void *, int); -static void hn_start_txeof_taskfunc(void *, int); -static void hn_link_taskfunc(void *, int); -static void hn_netchg_init_taskfunc(void *, int); -static void hn_netchg_status_taskfunc(void *, int); -static void hn_suspend_mgmt_taskfunc(void *, int); -static int hn_encap(struct hn_tx_ring *, struct hn_txdesc *, struct mbuf **); -static int hn_create_rx_data(struct hn_softc *sc, int); -static void hn_destroy_rx_data(struct hn_softc *sc); -static void hn_set_chim_size(struct hn_softc *, int); -static void hn_set_tso_maxsize(struct hn_softc *, int, int); -static int hn_chan_attach(struct hn_softc *, struct vmbus_channel *); -static void hn_chan_detach(struct hn_softc *, struct vmbus_channel *); -static int hn_attach_subchans(struct hn_softc *); -static void hn_detach_allchans(struct hn_softc *); -static void hn_chan_callback(struct vmbus_channel *chan, void *xrxr); -static void hn_chan_rollup(struct hn_rx_ring *, struct hn_tx_ring *); -static void hn_set_ring_inuse(struct hn_softc *, int); -static int hn_synth_attach(struct hn_softc *, int); -static void hn_synth_detach(struct hn_softc *); -static bool hn_tx_ring_pending(struct hn_tx_ring *); -static void hn_suspend(struct hn_softc *); -static void hn_suspend_data(struct hn_softc *); -static void hn_suspend_mgmt(struct hn_softc *); -static void hn_resume(struct hn_softc *); -static void hn_resume_data(struct hn_softc *); -static void hn_resume_mgmt(struct hn_softc *); -static void hn_rx_drain(struct vmbus_channel *); -static void hn_tx_resume(struct hn_softc *, int); -static void hn_tx_ring_qflush(struct hn_tx_ring *); -static int netvsc_detach(device_t dev); -static void hn_link_status(struct hn_softc *); -static int hn_sendpkt_rndis_sglist(struct hn_tx_ring *, struct hn_txdesc *); -static int hn_sendpkt_rndis_chim(struct hn_tx_ring *, struct hn_txdesc *); -static int hn_set_rxfilter(struct hn_softc *); -static void hn_link_status_update(struct hn_softc *); -static void hn_network_change(struct hn_softc *); - -static int hn_rndis_rxinfo(const void *, int, struct hn_rxinfo *); -static void hn_rndis_rx_data(struct hn_rx_ring *, const void *, int); -static void hn_rndis_rx_status(struct hn_softc *, const void *, int); - -static void hn_nvs_handle_notify(struct hn_softc *sc, - const struct vmbus_chanpkt_hdr *pkt); -static void hn_nvs_handle_comp(struct hn_softc *sc, struct vmbus_channel *chan, - const struct vmbus_chanpkt_hdr *pkt); -static void hn_nvs_handle_rxbuf(struct hn_rx_ring *rxr, - struct vmbus_channel *chan, - const struct vmbus_chanpkt_hdr *pkthdr); -static void hn_nvs_ack_rxbuf(struct hn_rx_ring *, struct vmbus_channel *, - uint64_t); - -static int hn_transmit(struct ifnet *, struct mbuf *); -static void hn_xmit_qflush(struct ifnet *); -static int hn_xmit(struct hn_tx_ring *, int); -static void hn_xmit_txeof(struct hn_tx_ring *); -static void hn_xmit_taskfunc(void *, int); -static void hn_xmit_txeof_taskfunc(void *, int); +static u_int hn_cpu_index; /* next CPU for channel */ +static struct taskqueue *hn_tx_taskq; /* shared TX taskqueue */ -static const uint8_t hn_rss_key_default[NDIS_HASH_KEYSIZE_TOEPLITZ] = { +static const uint8_t +hn_rss_key_default[NDIS_HASH_KEYSIZE_TOEPLITZ] = { 0x6d, 0x5a, 0x56, 0xda, 0x25, 0x5b, 0x0e, 0xc2, 0x41, 0x67, 0x25, 0x3d, 0x43, 0xa3, 0x8f, 0xb0, 0xd0, 0xca, 0x2b, 0xcb, 0xae, 0x7b, 0x30, 0xb4, @@ -432,6 +434,27 @@ static const uint8_t hn_rss_key_default[ 0x6a, 0x42, 0xb7, 0x3b, 0xbe, 0xac, 0x01, 0xfa }; +static device_method_t hn_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, hn_probe), + DEVMETHOD(device_attach, hn_attach), + DEVMETHOD(device_detach, hn_detach), + DEVMETHOD(device_shutdown, hn_shutdown), + DEVMETHOD_END +}; + +static driver_t hn_driver = { + "hn", + hn_methods, + sizeof(struct hn_softc) +}; + +static devclass_t hn_devclass; + +DRIVER_MODULE(hn, vmbus, hn_driver, hn_devclass, 0, 0); +MODULE_VERSION(hn, 1); +MODULE_DEPEND(hn, vmbus, 1, 1, 1); + #if __FreeBSD_version >= 1100099 static void hn_set_lro_lenlim(struct hn_softc *sc, int lenlim) @@ -444,7 +467,7 @@ hn_set_lro_lenlim(struct hn_softc *sc, i #endif static int -hn_sendpkt_rndis_sglist(struct hn_tx_ring *txr, struct hn_txdesc *txd) +hn_txpkt_sglist(struct hn_tx_ring *txr, struct hn_txdesc *txd) { KASSERT(txd->chim_index == HN_NVS_CHIM_IDX_INVALID && @@ -454,7 +477,7 @@ hn_sendpkt_rndis_sglist(struct hn_tx_rin } static int -hn_sendpkt_rndis_chim(struct hn_tx_ring *txr, struct hn_txdesc *txd) +hn_txpkt_chim(struct hn_tx_ring *txr, struct hn_txdesc *txd) { struct hn_nvs_rndis rndis; @@ -653,13 +676,10 @@ static const struct hyperv_guid g_net_vs 0x91, 0x3F, 0xF2, 0xD2, 0xF9, 0x65, 0xED, 0x0E} }; -/* - * Standard probe entry point. - * - */ static int -netvsc_probe(device_t dev) +hn_probe(device_t dev) { + if (VMBUS_PROBE_GUID(device_get_parent(dev), dev, &g_net_vsc_device_type) == 0) { device_set_desc(dev, "Hyper-V Network Interface"); @@ -668,14 +688,8 @@ netvsc_probe(device_t dev) return ENXIO; } -/* - * Standard attach entry point. - * - * Called when the driver is loaded. It allocates needed resources, - * and initializes the "hardware" and software. - */ static int -netvsc_attach(device_t dev) +hn_attach(device_t dev) { struct hn_softc *sc = device_get_softc(dev); struct sysctl_oid_list *child; @@ -917,18 +931,18 @@ netvsc_attach(device_t dev) * Kick off link status check. */ sc->hn_mgmt_taskq = sc->hn_mgmt_taskq0; - hn_link_status_update(sc); + hn_update_link_status(sc); return (0); failed: if (sc->hn_flags & HN_FLAG_SYNTH_ATTACHED) hn_synth_detach(sc); - netvsc_detach(dev); + hn_detach(dev); return (error); } static int -netvsc_detach(device_t dev) +hn_detach(device_t dev) { struct hn_softc *sc = device_get_softc(dev); struct ifnet *ifp = sc->hn_ifp; @@ -967,12 +981,10 @@ netvsc_detach(device_t dev) return (0); } -/* - * Standard shutdown entry point - */ static int -netvsc_shutdown(device_t dev) +hn_shutdown(device_t dev) { + return (0); } @@ -1037,7 +1049,7 @@ hn_netchg_status_taskfunc(void *xsc, int } static void -hn_link_status_update(struct hn_softc *sc) +hn_update_link_status(struct hn_softc *sc) { if (sc->hn_mgmt_taskq != NULL) @@ -1045,7 +1057,7 @@ hn_link_status_update(struct hn_softc *s } static void -hn_network_change(struct hn_softc *sc) +hn_change_network(struct hn_softc *sc) { if (sc->hn_mgmt_taskq != NULL) @@ -1197,7 +1209,7 @@ hn_txeof(struct hn_tx_ring *txr) } static void -hn_tx_done(struct hn_nvs_sendctx *sndc, struct hn_softc *sc, +hn_txpkt_done(struct hn_nvs_sendctx *sndc, struct hn_softc *sc, struct vmbus_channel *chan, const void *data __unused, int dlen __unused) { struct hn_txdesc *txd = sndc->hn_cbarg; @@ -1420,7 +1432,7 @@ hn_encap(struct hn_tx_ring *txr, struct txd->chim_size = pkt->rm_len; txr->hn_gpa_cnt = 0; txr->hn_tx_chimney++; - txr->hn_sendpkt = hn_sendpkt_rndis_chim; + txr->hn_sendpkt = hn_txpkt_chim; goto done; } } @@ -1467,12 +1479,12 @@ hn_encap(struct hn_tx_ring *txr, struct txd->chim_index = HN_NVS_CHIM_IDX_INVALID; txd->chim_size = 0; - txr->hn_sendpkt = hn_sendpkt_rndis_sglist; + txr->hn_sendpkt = hn_txpkt_sglist; done: txd->m = m_head; /* Set the completion routine */ - hn_nvs_sendctx_init(&txd->send_ctx, hn_tx_done, txd); + hn_nvs_sendctx_init(&txd->send_ctx, hn_txpkt_done, txd); return 0; } @@ -1483,7 +1495,7 @@ done: * associated w/ the txd will _not_ be freed. */ static int -hn_send_pkt(struct ifnet *ifp, struct hn_tx_ring *txr, struct hn_txdesc *txd) +hn_txpkt(struct ifnet *ifp, struct hn_tx_ring *txr, struct hn_txdesc *txd) { int error, send_failed = 0; @@ -1599,7 +1611,7 @@ hn_start_locked(struct hn_tx_ring *txr, continue; } - error = hn_send_pkt(ifp, txr, txd); + error = hn_txpkt(ifp, txr, txd); if (__predict_false(error)) { /* txd is freed, but m_head is not */ IFQ_DRV_PREPEND(&ifp->if_snd, m_head); @@ -2114,9 +2126,6 @@ hn_stop(struct hn_softc *sc) sc->hn_tx_ring[i].hn_oactive = 0; } -/* - * FreeBSD transmit entry point - */ static void hn_start(struct ifnet *ifp) { @@ -2195,7 +2204,7 @@ hn_init_locked(struct hn_softc *sc) sc->hn_tx_ring[i].hn_oactive = 0; /* Clear TX 'suspended' bit. */ - hn_tx_resume(sc, sc->hn_tx_ring_inuse); + hn_resume_tx(sc, sc->hn_tx_ring_inuse); /* Everything is ready; unleash! */ atomic_set_int(&ifp->if_drv_flags, IFF_DRV_RUNNING); @@ -2211,20 +2220,6 @@ hn_init(void *xsc) HN_UNLOCK(sc); } -#ifdef LATER -/* - * - */ -static void -hn_watchdog(struct ifnet *ifp) -{ - - if_printf(ifp, "watchdog timeout -- resetting\n"); - hn_init(ifp->if_softc); /* XXX */ - if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); -} -#endif - #if __FreeBSD_version >= 1100099 static int @@ -2906,7 +2901,7 @@ hn_destroy_rx_data(struct hn_softc *sc) } static int -hn_create_tx_ring(struct hn_softc *sc, int id) +hn_tx_ring_create(struct hn_softc *sc, int id) { struct hn_tx_ring *txr = &sc->hn_tx_ring[id]; device_t dev = sc->hn_dev; @@ -3103,7 +3098,7 @@ hn_txdesc_dmamap_destroy(struct hn_txdes } static void -hn_destroy_tx_ring(struct hn_tx_ring *txr) +hn_tx_ring_destroy(struct hn_tx_ring *txr) { struct hn_txdesc *txd; @@ -3179,7 +3174,7 @@ hn_create_tx_data(struct hn_softc *sc, i for (i = 0; i < sc->hn_tx_ring_cnt; ++i) { int error; - error = hn_create_tx_ring(sc, i); + error = hn_tx_ring_create(sc, i); if (error) return error; } @@ -3325,7 +3320,7 @@ hn_destroy_tx_data(struct hn_softc *sc) return; for (i = 0; i < sc->hn_tx_ring_cnt; ++i) - hn_destroy_tx_ring(&sc->hn_tx_ring[i]); + hn_tx_ring_destroy(&sc->hn_tx_ring[i]); free(sc->hn_tx_ring, M_DEVBUF); sc->hn_tx_ring = NULL; @@ -3401,7 +3396,7 @@ hn_xmit(struct hn_tx_ring *txr, int len) continue; } - error = hn_send_pkt(ifp, txr, txd); + error = hn_txpkt(ifp, txr, txd); if (__predict_false(error)) { /* txd is freed, but m_head is not */ drbr_putback(ifp, txr->hn_mbuf_br, m_head); @@ -3924,7 +3919,7 @@ hn_set_ring_inuse(struct hn_softc *sc, i } static void -hn_rx_drain(struct vmbus_channel *chan) +hn_chan_drain(struct vmbus_channel *chan) { while (!vmbus_chan_rx_empty(chan) || !vmbus_chan_tx_empty(chan)) @@ -3979,9 +3974,9 @@ hn_suspend_data(struct hn_softc *sc) if (subch != NULL) { for (i = 0; i < nsubch; ++i) - hn_rx_drain(subch[i]); + hn_chan_drain(subch[i]); } - hn_rx_drain(sc->hn_prichan); + hn_chan_drain(sc->hn_prichan); if (subch != NULL) vmbus_subchan_rel(subch, nsubch); @@ -4026,7 +4021,7 @@ hn_suspend(struct hn_softc *sc) } static void -hn_tx_resume(struct hn_softc *sc, int tx_ring_cnt) +hn_resume_tx(struct hn_softc *sc, int tx_ring_cnt) { int i; @@ -4059,7 +4054,7 @@ hn_resume_data(struct hn_softc *sc) * since hn_tx_ring_inuse can be changed after * hn_suspend_data(). */ - hn_tx_resume(sc, sc->hn_tx_ring_cnt); + hn_resume_tx(sc, sc->hn_tx_ring_cnt); if (!hn_use_if_start) { /* @@ -4097,9 +4092,9 @@ hn_resume_mgmt(struct hn_softc *sc) * detection. */ if (sc->hn_link_flags & HN_LINK_FLAG_NETCHG) - hn_network_change(sc); + hn_change_network(sc); else - hn_link_status_update(sc); + hn_update_link_status(sc); } static void @@ -4126,7 +4121,7 @@ hn_rndis_rx_status(struct hn_softc *sc, switch (msg->rm_status) { case RNDIS_STATUS_MEDIA_CONNECT: case RNDIS_STATUS_MEDIA_DISCONNECT: - hn_link_status_update(sc); + hn_update_link_status(sc); break; case RNDIS_STATUS_TASK_OFFLOAD_CURRENT_CONFIG: @@ -4146,7 +4141,7 @@ hn_rndis_rx_status(struct hn_softc *sc, if_printf(sc->hn_ifp, "network changed, change %u\n", change); } - hn_network_change(sc); + hn_change_network(sc); break; default: @@ -4661,25 +4656,3 @@ hn_tx_taskq_destroy(void *arg __unused) } SYSUNINIT(hn_txtq_destroy, SI_SUB_DRIVERS, SI_ORDER_SECOND, hn_tx_taskq_destroy, NULL); - -static device_method_t netvsc_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, netvsc_probe), - DEVMETHOD(device_attach, netvsc_attach), - DEVMETHOD(device_detach, netvsc_detach), - DEVMETHOD(device_shutdown, netvsc_shutdown), - - { 0, 0 } -}; - -static driver_t netvsc_driver = { - NETVSC_DEVNAME, - netvsc_methods, - sizeof(struct hn_softc) -}; - -static devclass_t netvsc_devclass; - -DRIVER_MODULE(hn, vmbus, netvsc_driver, netvsc_devclass, 0, 0); -MODULE_VERSION(hn, 1); -MODULE_DEPEND(hn, vmbus, 1, 1, 1);
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