Index: head/sys/dev/sfxge/sfxge.h =================================================================== --- head/sys/dev/sfxge/sfxge.h (revision 301066) +++ head/sys/dev/sfxge/sfxge.h (revision 301067) @@ -1,438 +1,458 @@ /*- * Copyright (c) 2010-2016 Solarflare Communications Inc. * All rights reserved. * * This software was developed in part by Philip Paeps under contract for * Solarflare Communications, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * The views and conclusions contained in the software and documentation are * those of the authors and should not be interpreted as representing official * policies, either expressed or implied, of the FreeBSD Project. * * $FreeBSD$ */ #ifndef _SFXGE_H #define _SFXGE_H #include #include #include #include #include #include #include #include #include #include #include #include "sfxge_ioc.h" /* * Debugging */ #if 0 #define DBGPRINT(dev, fmt, args...) \ device_printf(dev, "%s: " fmt "\n", __func__, ## args) #else #define DBGPRINT(dev, fmt, args...) #endif /* * Backward-compatibility */ #ifndef CACHE_LINE_SIZE /* This should be right on most machines the driver will be used on, and * we needn't care too much about wasting a few KB per interface. */ #define CACHE_LINE_SIZE 128 #endif #ifndef IFCAP_LINKSTATE #define IFCAP_LINKSTATE 0 #endif #ifndef IFCAP_VLAN_HWTSO #define IFCAP_VLAN_HWTSO 0 #endif #ifndef IFM_10G_T #define IFM_10G_T IFM_UNKNOWN #endif #ifndef IFM_10G_KX4 #define IFM_10G_KX4 IFM_10G_CX4 #endif #ifndef IFM_40G_CR4 #define IFM_40G_CR4 IFM_UNKNOWN #endif #if (__FreeBSD_version >= 800501 && __FreeBSD_version < 900000) || \ __FreeBSD_version >= 900003 #define SFXGE_HAVE_DESCRIBE_INTR #endif #ifdef IFM_ETH_RXPAUSE #define SFXGE_HAVE_PAUSE_MEDIAOPTS #endif #ifndef CTLTYPE_U64 #define CTLTYPE_U64 CTLTYPE_QUAD #endif #include "sfxge_rx.h" #include "sfxge_tx.h" #define ROUNDUP_POW_OF_TWO(_n) (1ULL << flsl((_n) - 1)) #define SFXGE_IP_ALIGN 2 #define SFXGE_ETHERTYPE_LOOPBACK 0x9000 /* Xerox loopback */ + +#define SFXGE_MAGIC_RESERVED 0x8000 + +#define SFXGE_MAGIC_DMAQ_LABEL_WIDTH 6 +#define SFXGE_MAGIC_DMAQ_LABEL_MASK \ + ((1 << SFXGE_MAGIC_DMAQ_LABEL_WIDTH) - 1) + +#define SFXGE_MAGIC_RX_QFLUSH_DONE \ + (SFXGE_MAGIC_RESERVED | (1 << SFXGE_MAGIC_DMAQ_LABEL_WIDTH)) + +#define SFXGE_MAGIC_RX_QFLUSH_FAILED \ + (SFXGE_MAGIC_RESERVED | (2 << SFXGE_MAGIC_DMAQ_LABEL_WIDTH)) + +#define SFXGE_MAGIC_RX_QREFILL \ + (SFXGE_MAGIC_RESERVED | (3 << SFXGE_MAGIC_DMAQ_LABEL_WIDTH)) + +#define SFXGE_MAGIC_TX_QFLUSH_DONE \ + (SFXGE_MAGIC_RESERVED | (4 << SFXGE_MAGIC_DMAQ_LABEL_WIDTH)) + + enum sfxge_evq_state { SFXGE_EVQ_UNINITIALIZED = 0, SFXGE_EVQ_INITIALIZED, SFXGE_EVQ_STARTING, SFXGE_EVQ_STARTED }; #define SFXGE_EV_BATCH 16384 struct sfxge_evq { /* Structure members below are sorted by usage order */ struct sfxge_softc *sc; struct mtx lock; unsigned int index; enum sfxge_evq_state init_state; efsys_mem_t mem; efx_evq_t *common; unsigned int read_ptr; boolean_t exception; unsigned int rx_done; unsigned int tx_done; /* Linked list of TX queues with completions to process */ struct sfxge_txq *txq; struct sfxge_txq **txqs; /* Structure members not used on event processing path */ unsigned int buf_base_id; unsigned int entries; char lock_name[SFXGE_LOCK_NAME_MAX]; } __aligned(CACHE_LINE_SIZE); #define SFXGE_NDESCS 1024 #define SFXGE_MODERATION 30 enum sfxge_intr_state { SFXGE_INTR_UNINITIALIZED = 0, SFXGE_INTR_INITIALIZED, SFXGE_INTR_TESTING, SFXGE_INTR_STARTED }; struct sfxge_intr_hdl { int eih_rid; void *eih_tag; struct resource *eih_res; }; struct sfxge_intr { enum sfxge_intr_state state; struct resource *msix_res; struct sfxge_intr_hdl *table; int n_alloc; int type; efsys_mem_t status; uint32_t zero_count; }; enum sfxge_mcdi_state { SFXGE_MCDI_UNINITIALIZED = 0, SFXGE_MCDI_INITIALIZED, SFXGE_MCDI_BUSY, SFXGE_MCDI_COMPLETED }; struct sfxge_mcdi { struct mtx lock; efsys_mem_t mem; enum sfxge_mcdi_state state; efx_mcdi_transport_t transport; /* Only used in debugging output */ char lock_name[SFXGE_LOCK_NAME_MAX]; }; struct sfxge_hw_stats { clock_t update_time; efsys_mem_t dma_buf; void *decode_buf; }; enum sfxge_port_state { SFXGE_PORT_UNINITIALIZED = 0, SFXGE_PORT_INITIALIZED, SFXGE_PORT_STARTED }; struct sfxge_port { struct sfxge_softc *sc; struct mtx lock; enum sfxge_port_state init_state; #ifndef SFXGE_HAVE_PAUSE_MEDIAOPTS unsigned int wanted_fc; #endif struct sfxge_hw_stats phy_stats; struct sfxge_hw_stats mac_stats; efx_link_mode_t link_mode; uint8_t mcast_addrs[EFX_MAC_MULTICAST_LIST_MAX * EFX_MAC_ADDR_LEN]; unsigned int mcast_count; /* Only used in debugging output */ char lock_name[SFXGE_LOCK_NAME_MAX]; }; enum sfxge_softc_state { SFXGE_UNINITIALIZED = 0, SFXGE_INITIALIZED, SFXGE_REGISTERED, SFXGE_STARTED }; struct sfxge_softc { device_t dev; struct sx softc_lock; char softc_lock_name[SFXGE_LOCK_NAME_MAX]; enum sfxge_softc_state init_state; struct ifnet *ifnet; unsigned int if_flags; struct sysctl_oid *stats_node; struct sysctl_oid *txqs_node; struct task task_reset; efx_family_t family; caddr_t vpd_data; size_t vpd_size; efx_nic_t *enp; efsys_lock_t enp_lock; unsigned int rxq_entries; unsigned int txq_entries; bus_dma_tag_t parent_dma_tag; efsys_bar_t bar; struct sfxge_intr intr; struct sfxge_mcdi mcdi; struct sfxge_port port; uint32_t buffer_table_next; struct sfxge_evq *evq[SFXGE_RX_SCALE_MAX]; unsigned int ev_moderation; #if EFSYS_OPT_QSTATS clock_t ev_stats_update_time; uint64_t ev_stats[EV_NQSTATS]; #endif unsigned int max_rss_channels; uma_zone_t rxq_cache; struct sfxge_rxq *rxq[SFXGE_RX_SCALE_MAX]; unsigned int rx_indir_table[SFXGE_RX_SCALE_MAX]; struct sfxge_txq *txq[SFXGE_TXQ_NTYPES + SFXGE_RX_SCALE_MAX]; struct ifmedia media; size_t rx_prefix_size; size_t rx_buffer_size; size_t rx_buffer_align; int rx_cluster_size; unsigned int evq_max; unsigned int evq_count; unsigned int rxq_count; unsigned int txq_count; unsigned int tso_fw_assisted; #define SFXGE_FATSOV1 (1 << 0) #define SFXGE_FATSOV2 (1 << 1) #if EFSYS_OPT_MCDI_LOGGING int mcdi_logging; #endif }; #define SFXGE_LINK_UP(sc) ((sc)->port.link_mode != EFX_LINK_DOWN) #define SFXGE_RUNNING(sc) ((sc)->ifnet->if_drv_flags & IFF_DRV_RUNNING) #define SFXGE_PARAM(_name) "hw.sfxge." #_name SYSCTL_DECL(_hw_sfxge); /* * From sfxge.c. */ extern void sfxge_schedule_reset(struct sfxge_softc *sc); extern void sfxge_sram_buf_tbl_alloc(struct sfxge_softc *sc, size_t n, uint32_t *idp); /* * From sfxge_dma.c. */ extern int sfxge_dma_init(struct sfxge_softc *sc); extern void sfxge_dma_fini(struct sfxge_softc *sc); extern int sfxge_dma_alloc(struct sfxge_softc *sc, bus_size_t len, efsys_mem_t *esmp); extern void sfxge_dma_free(efsys_mem_t *esmp); extern int sfxge_dma_map_sg_collapse(bus_dma_tag_t tag, bus_dmamap_t map, struct mbuf **mp, bus_dma_segment_t *segs, int *nsegs, int maxsegs); /* * From sfxge_ev.c. */ extern int sfxge_ev_init(struct sfxge_softc *sc); extern void sfxge_ev_fini(struct sfxge_softc *sc); extern int sfxge_ev_start(struct sfxge_softc *sc); extern void sfxge_ev_stop(struct sfxge_softc *sc); extern int sfxge_ev_qpoll(struct sfxge_evq *evq); /* * From sfxge_intr.c. */ extern int sfxge_intr_init(struct sfxge_softc *sc); extern void sfxge_intr_fini(struct sfxge_softc *sc); extern int sfxge_intr_start(struct sfxge_softc *sc); extern void sfxge_intr_stop(struct sfxge_softc *sc); /* * From sfxge_mcdi.c. */ extern int sfxge_mcdi_init(struct sfxge_softc *sc); extern void sfxge_mcdi_fini(struct sfxge_softc *sc); extern int sfxge_mcdi_ioctl(struct sfxge_softc *sc, sfxge_ioc_t *ip); /* * From sfxge_nvram.c. */ extern int sfxge_nvram_ioctl(struct sfxge_softc *sc, sfxge_ioc_t *ip); /* * From sfxge_port.c. */ extern int sfxge_port_init(struct sfxge_softc *sc); extern void sfxge_port_fini(struct sfxge_softc *sc); extern int sfxge_port_start(struct sfxge_softc *sc); extern void sfxge_port_stop(struct sfxge_softc *sc); extern void sfxge_mac_link_update(struct sfxge_softc *sc, efx_link_mode_t mode); extern int sfxge_mac_filter_set(struct sfxge_softc *sc); extern int sfxge_port_ifmedia_init(struct sfxge_softc *sc); extern uint64_t sfxge_get_counter(struct ifnet *ifp, ift_counter c); #define SFXGE_MAX_MTU (9 * 1024) #define SFXGE_ADAPTER_LOCK_INIT(_sc, _ifname) \ do { \ struct sfxge_softc *__sc = (_sc); \ \ snprintf((__sc)->softc_lock_name, \ sizeof((__sc)->softc_lock_name), \ "%s:softc", (_ifname)); \ sx_init(&(__sc)->softc_lock, (__sc)->softc_lock_name); \ } while (B_FALSE) #define SFXGE_ADAPTER_LOCK_DESTROY(_sc) \ sx_destroy(&(_sc)->softc_lock) #define SFXGE_ADAPTER_LOCK(_sc) \ sx_xlock(&(_sc)->softc_lock) #define SFXGE_ADAPTER_UNLOCK(_sc) \ sx_xunlock(&(_sc)->softc_lock) #define SFXGE_ADAPTER_LOCK_ASSERT_OWNED(_sc) \ sx_assert(&(_sc)->softc_lock, LA_XLOCKED) #define SFXGE_PORT_LOCK_INIT(_port, _ifname) \ do { \ struct sfxge_port *__port = (_port); \ \ snprintf((__port)->lock_name, \ sizeof((__port)->lock_name), \ "%s:port", (_ifname)); \ mtx_init(&(__port)->lock, (__port)->lock_name, \ NULL, MTX_DEF); \ } while (B_FALSE) #define SFXGE_PORT_LOCK_DESTROY(_port) \ mtx_destroy(&(_port)->lock) #define SFXGE_PORT_LOCK(_port) \ mtx_lock(&(_port)->lock) #define SFXGE_PORT_UNLOCK(_port) \ mtx_unlock(&(_port)->lock) #define SFXGE_PORT_LOCK_ASSERT_OWNED(_port) \ mtx_assert(&(_port)->lock, MA_OWNED) #define SFXGE_MCDI_LOCK_INIT(_mcdi, _ifname) \ do { \ struct sfxge_mcdi *__mcdi = (_mcdi); \ \ snprintf((__mcdi)->lock_name, \ sizeof((__mcdi)->lock_name), \ "%s:mcdi", (_ifname)); \ mtx_init(&(__mcdi)->lock, (__mcdi)->lock_name, \ NULL, MTX_DEF); \ } while (B_FALSE) #define SFXGE_MCDI_LOCK_DESTROY(_mcdi) \ mtx_destroy(&(_mcdi)->lock) #define SFXGE_MCDI_LOCK(_mcdi) \ mtx_lock(&(_mcdi)->lock) #define SFXGE_MCDI_UNLOCK(_mcdi) \ mtx_unlock(&(_mcdi)->lock) #define SFXGE_MCDI_LOCK_ASSERT_OWNED(_mcdi) \ mtx_assert(&(_mcdi)->lock, MA_OWNED) #define SFXGE_EVQ_LOCK_INIT(_evq, _ifname, _evq_index) \ do { \ struct sfxge_evq *__evq = (_evq); \ \ snprintf((__evq)->lock_name, \ sizeof((__evq)->lock_name), \ "%s:evq%u", (_ifname), (_evq_index)); \ mtx_init(&(__evq)->lock, (__evq)->lock_name, \ NULL, MTX_DEF); \ } while (B_FALSE) #define SFXGE_EVQ_LOCK_DESTROY(_evq) \ mtx_destroy(&(_evq)->lock) #define SFXGE_EVQ_LOCK(_evq) \ mtx_lock(&(_evq)->lock) #define SFXGE_EVQ_UNLOCK(_evq) \ mtx_unlock(&(_evq)->lock) #define SFXGE_EVQ_LOCK_ASSERT_OWNED(_evq) \ mtx_assert(&(_evq)->lock, MA_OWNED) #endif /* _SFXGE_H */ Index: head/sys/dev/sfxge/sfxge_rx.h =================================================================== --- head/sys/dev/sfxge/sfxge_rx.h (revision 301066) +++ head/sys/dev/sfxge/sfxge_rx.h (revision 301067) @@ -1,211 +1,193 @@ /*- * Copyright (c) 2010-2016 Solarflare Communications Inc. * All rights reserved. * * This software was developed in part by Philip Paeps under contract for * Solarflare Communications, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * The views and conclusions contained in the software and documentation are * those of the authors and should not be interpreted as representing official * policies, either expressed or implied, of the FreeBSD Project. * * $FreeBSD$ */ #ifndef _SFXGE_RX_H #define _SFXGE_RX_H #include "opt_inet.h" #include "opt_inet6.h" #if defined(INET) || defined(INET6) #define SFXGE_LRO 1 #endif -#define SFXGE_MAGIC_RESERVED 0x8000 - -#define SFXGE_MAGIC_DMAQ_LABEL_WIDTH 6 -#define SFXGE_MAGIC_DMAQ_LABEL_MASK \ - ((1 << SFXGE_MAGIC_DMAQ_LABEL_WIDTH) - 1) - -#define SFXGE_MAGIC_RX_QFLUSH_DONE \ - (SFXGE_MAGIC_RESERVED | (1 << SFXGE_MAGIC_DMAQ_LABEL_WIDTH)) - -#define SFXGE_MAGIC_RX_QFLUSH_FAILED \ - (SFXGE_MAGIC_RESERVED | (2 << SFXGE_MAGIC_DMAQ_LABEL_WIDTH)) - -#define SFXGE_MAGIC_RX_QREFILL \ - (SFXGE_MAGIC_RESERVED | (3 << SFXGE_MAGIC_DMAQ_LABEL_WIDTH)) - -#define SFXGE_MAGIC_TX_QFLUSH_DONE \ - (SFXGE_MAGIC_RESERVED | (4 << SFXGE_MAGIC_DMAQ_LABEL_WIDTH)) - #define SFXGE_RX_SCALE_MAX EFX_MAXRSS struct sfxge_rx_sw_desc { struct mbuf *mbuf; bus_dmamap_t map; int flags; int size; }; #ifdef SFXGE_LRO /** * struct sfxge_lro_conn - Connection state for software LRO * @link: Link for hash table and free list. * @active_link: Link for active_conns list * @l2_id: Identifying information from layer 2 * @conn_hash: Hash of connection 4-tuple * @nh: IP (v4 or v6) header of super-packet * @source: Source TCP port number * @dest: Destination TCP port number * @n_in_order_pkts: Number of in-order packets with payload. * @next_seq: Next in-order sequence number. * @last_pkt_ticks: Time we last saw a packet on this connection. * @mbuf: The mbuf we are currently holding. * If %NULL, then all following fields are undefined. * @mbuf_tail: The tail of the frag_list of mbufs we're holding. * Only valid after at least one merge. * @th_last: The TCP header of the last packet merged. * @next_buf: The next RX buffer to process. * @next_eh: Ethernet header of the next buffer. * @next_nh: IP header of the next buffer. * @delivered: True if we've delivered a payload packet up this interrupt. */ struct sfxge_lro_conn { TAILQ_ENTRY(sfxge_lro_conn) link; LIST_ENTRY(sfxge_lro_conn) active_link; uint16_t l2_id; uint32_t conn_hash; void *nh; uint16_t source, dest; int n_in_order_pkts; unsigned next_seq; unsigned last_pkt_ticks; struct mbuf *mbuf; struct mbuf *mbuf_tail; struct tcphdr *th_last; struct sfxge_rx_sw_desc next_buf; void *next_eh; void *next_nh; int delivered; }; /** * struct sfxge_lro_state - Port state for software LRO * @sc: The associated NIC. * @conns_mask: Number of hash buckets - 1. * @conns: Hash buckets for tracked connections. * @conns_n: Length of linked list for each hash bucket. * @active_conns: Connections that are holding a packet. * Connections are self-linked when not in this list. * @free_conns: Free sfxge_lro_conn instances. * @last_purge_ticks: The value of ticks last time we purged idle * connections. * @n_merges: Number of packets absorbed by LRO. * @n_bursts: Number of bursts spotted by LRO. * @n_slow_start: Number of packets not merged because connection may be in * slow-start. * @n_misorder: Number of out-of-order packets seen in tracked streams. * @n_too_many: Incremented when we're trying to track too many streams. * @n_new_stream: Number of distinct streams we've tracked. * @n_drop_idle: Number of streams discarded because they went idle. * @n_drop_closed: Number of streams that have seen a FIN or RST. */ struct sfxge_lro_state { struct sfxge_softc *sc; unsigned conns_mask; TAILQ_HEAD(sfxge_lro_tailq, sfxge_lro_conn) *conns; unsigned *conns_n; LIST_HEAD(, sfxge_lro_conn) active_conns; TAILQ_HEAD(, sfxge_lro_conn) free_conns; unsigned last_purge_ticks; unsigned n_merges; unsigned n_bursts; unsigned n_slow_start; unsigned n_misorder; unsigned n_too_many; unsigned n_new_stream; unsigned n_drop_idle; unsigned n_drop_closed; }; #endif /* SFXGE_LRO */ enum sfxge_flush_state { SFXGE_FLUSH_DONE = 0, SFXGE_FLUSH_REQUIRED, SFXGE_FLUSH_PENDING, SFXGE_FLUSH_FAILED }; enum sfxge_rxq_state { SFXGE_RXQ_UNINITIALIZED = 0, SFXGE_RXQ_INITIALIZED, SFXGE_RXQ_STARTED }; #define SFXGE_RX_BATCH 128 struct sfxge_rxq { struct sfxge_softc *sc __aligned(CACHE_LINE_SIZE); unsigned int index; efsys_mem_t mem; unsigned int buf_base_id; enum sfxge_rxq_state init_state; unsigned int entries; unsigned int ptr_mask; struct sfxge_rx_sw_desc *queue __aligned(CACHE_LINE_SIZE); unsigned int added; unsigned int pushed; unsigned int pending; unsigned int completed; unsigned int loopback; #ifdef SFXGE_LRO struct sfxge_lro_state lro; #endif unsigned int refill_threshold; struct callout refill_callout; unsigned int refill_delay; efx_rxq_t *common __aligned(CACHE_LINE_SIZE); volatile enum sfxge_flush_state flush_state; }; /* * From sfxge_rx.c. */ extern int sfxge_rx_init(struct sfxge_softc *sc); extern void sfxge_rx_fini(struct sfxge_softc *sc); extern int sfxge_rx_start(struct sfxge_softc *sc); extern void sfxge_rx_stop(struct sfxge_softc *sc); extern void sfxge_rx_qcomplete(struct sfxge_rxq *rxq, boolean_t eop); extern void sfxge_rx_qrefill(struct sfxge_rxq *rxq); extern void sfxge_rx_qflush_done(struct sfxge_rxq *rxq); extern void sfxge_rx_qflush_failed(struct sfxge_rxq *rxq); extern void sfxge_rx_scale_update(void *arg, int npending); #endif