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Diffstat (limited to 'sys/dev/rt/if_rtvar.h')
| -rw-r--r-- | sys/dev/rt/if_rtvar.h | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/sys/dev/rt/if_rtvar.h b/sys/dev/rt/if_rtvar.h new file mode 100644 index 0000000..bd21158 --- /dev/null +++ b/sys/dev/rt/if_rtvar.h @@ -0,0 +1,282 @@ +/*- + * Copyright (c) 2010-2011 Aleksandr Rybalko <ray@ddteam.net> + * Copyright (c) 2009-2010 Alexander Egorenkov <egorenar@gmail.com> + * Copyright (c) 2009 Damien Bergamini <damien.bergamini@free.fr> + * + * 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 unmodified, 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 AUTHOR 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 AUTHOR 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. + * + * $FreeBSD$ + */ + +#ifndef _IF_RTVAR_H_ +#define _IF_RTVAR_H_ + +#include <sys/param.h> +#include <sys/sysctl.h> +#include <sys/sockio.h> +#include <sys/mbuf.h> +#include <sys/kernel.h> +#include <sys/socket.h> +#include <sys/systm.h> +#include <sys/malloc.h> +#include <sys/taskqueue.h> +#include <sys/module.h> +#include <sys/bus.h> +#include <sys/endian.h> + +#include <machine/bus.h> +#include <machine/resource.h> +#include <sys/rman.h> + +#include <net/bpf.h> +#include <net/if.h> +#include <net/if_arp.h> +#include <net/ethernet.h> +#include <net/if_dl.h> +#include <net/if_media.h> +#include <net/if_types.h> + +#include "opt_if_rt.h" + +#define RT_SOFTC_LOCK(sc) mtx_lock(&(sc)->lock) +#define RT_SOFTC_UNLOCK(sc) mtx_unlock(&(sc)->lock) +#define RT_SOFTC_ASSERT_LOCKED(sc) mtx_assert(&(sc)->lock, MA_OWNED) + +#define RT_SOFTC_TX_RING_LOCK(ring) mtx_lock(&(ring)->lock) +#define RT_SOFTC_TX_RING_UNLOCK(ring) mtx_unlock(&(ring)->lock) +#define RT_SOFTC_TX_RING_ASSERT_LOCKED(ring) \ + mtx_assert(&(ring)->lock, MA_OWNED) + +#define RT_SOFTC_TX_RING_COUNT 4 + +#ifndef IF_RT_RING_DATA_COUNT +#define IF_RT_RING_DATA_COUNT 128 +#endif + +#define RT_SOFTC_RX_RING_DATA_COUNT IF_RT_RING_DATA_COUNT + +#define RT_SOFTC_MAX_SCATTER 10 + +#define RT_SOFTC_TX_RING_DATA_COUNT (IF_RT_RING_DATA_COUNT/4) +#define RT_SOFTC_TX_RING_DESC_COUNT \ + (RT_SOFTC_TX_RING_DATA_COUNT * RT_SOFTC_MAX_SCATTER) + +#define RT_TXDESC_SDL1_BURST (1 << 15) +#define RT_TXDESC_SDL1_LASTSEG (1 << 14) +#define RT_TXDESC_SDL0_DDONE (1 << 15) +#define RT_TXDESC_SDL0_LASTSEG (1 << 14) +struct rt_txdesc +{ + uint32_t sdp0; + uint16_t sdl1; + uint16_t sdl0; + uint32_t sdp1; + uint8_t vid; +#define TXDSCR_INS_VLAN_TAG 0x80 +#define TXDSCR_VLAN_PRIO_MASK 0x70 +#define TXDSCR_VLAN_IDX_MASK 0x0f + uint8_t pppoe; +#define TXDSCR_USR_DEF_FLD 0x80 +#define TXDSCR_INS_PPPOE_HDR 0x10 +#define TXDSCR_PPPOE_SID_MASK 0x0f + uint8_t qn; +#define TXDSCR_QUEUE_MASK 0x07 + uint8_t dst; +#define TXDSCR_IP_CSUM_GEN 0x80 +#define TXDSCR_UDP_CSUM_GEN 0x40 +#define TXDSCR_TCP_CSUM_GEN 0x20 +#define TXDSCR_DST_PORT_MASK 0x07 +#define TXDSCR_DST_PORT_CPU 0x00 +#define TXDSCR_DST_PORT_GDMA1 0x01 +#define TXDSCR_DST_PORT_GDMA2 0x02 +#define TXDSCR_DST_PORT_PPE 0x06 +#define TXDSCR_DST_PORT_DISC 0x07 +} __packed; + +#define RT_RXDESC_SDL0_DDONE (1 << 15) +struct rt_rxdesc +{ + uint32_t sdp0; + uint16_t sdl1; + uint16_t sdl0; + uint32_t sdp1; + uint16_t foe; +#define RXDSXR_FOE_ENTRY_VALID 0x40 +#define RXDSXR_FOE_ENTRY_MASK 0x3f + uint8_t ai; +#define RXDSXR_AI_COU_REASON 0xff +#define RXDSXR_AI_PARSER_RSLT_MASK 0xff + uint8_t src; +#define RXDSXR_SRC_IPFVLD 0x80 +#define RXDSXR_SRC_L4FVLD 0x40 +#define RXDSXR_SRC_IP_CSUM_FAIL 0x20 +#define RXDSXR_SRC_L4_CSUM_FAIL 0x10 +#define RXDSXR_SRC_AIS 0x08 +#define RXDSXR_SRC_PORT_MASK 0x07 +} __packed; + +struct rt_softc_rx_data +{ + bus_dmamap_t dma_map; + struct mbuf *m; +}; + +struct rt_softc_rx_ring +{ + bus_dma_tag_t desc_dma_tag; + bus_dmamap_t desc_dma_map; + bus_addr_t desc_phys_addr; + struct rt_rxdesc *desc; + bus_dma_tag_t data_dma_tag; + bus_dmamap_t spare_dma_map; + struct rt_softc_rx_data data[RT_SOFTC_RX_RING_DATA_COUNT]; + int cur; +}; + +struct rt_softc_tx_data +{ + bus_dmamap_t dma_map; + struct mbuf *m; +}; + +struct rt_softc_tx_ring +{ + struct mtx lock; + bus_dma_tag_t desc_dma_tag; + bus_dmamap_t desc_dma_map; + bus_addr_t desc_phys_addr; + struct rt_txdesc *desc; + int desc_queued; + int desc_cur; + int desc_next; + bus_dma_tag_t seg0_dma_tag; + bus_dmamap_t seg0_dma_map; + bus_addr_t seg0_phys_addr; + uint8_t *seg0; + bus_dma_tag_t data_dma_tag; + struct rt_softc_tx_data data[RT_SOFTC_TX_RING_DATA_COUNT]; + int data_queued; + int data_cur; + int data_next; + int qid; +}; + +struct rt_softc +{ + device_t dev; + struct mtx lock; + uint32_t flags; + + int mem_rid; + struct resource *mem; + int irq_rid; + struct resource *irq; + void *irqh; + + bus_space_tag_t bst; + bus_space_handle_t bsh; + + struct ifnet *ifp; + int if_flags; + struct ifmedia rt_ifmedia; + + uint32_t mac_rev; + uint8_t mac_addr[ETHER_ADDR_LEN]; + device_t rt_miibus; + + uint32_t intr_enable_mask; + uint32_t intr_disable_mask; + uint32_t intr_pending_mask; + + struct task rx_done_task; + int rx_process_limit; + struct task tx_done_task; + struct task periodic_task; + struct callout periodic_ch; + unsigned long periodic_round; + struct taskqueue *taskqueue; + + struct rt_softc_rx_ring rx_ring; + struct rt_softc_tx_ring tx_ring[RT_SOFTC_TX_RING_COUNT]; + int tx_ring_mgtqid; + + struct callout tx_watchdog_ch; + int tx_timer; + + /* statistic counters */ + unsigned long interrupts; + unsigned long tx_coherent_interrupts; + unsigned long rx_coherent_interrupts; + unsigned long rx_interrupts; + unsigned long rx_delay_interrupts; + unsigned long tx_interrupts[RT_SOFTC_TX_RING_COUNT]; + unsigned long tx_delay_interrupts; + unsigned long tx_data_queue_full[RT_SOFTC_TX_RING_COUNT]; + unsigned long tx_watchdog_timeouts; + unsigned long tx_defrag_packets; + unsigned long no_tx_desc_avail; + unsigned long rx_mbuf_alloc_errors; + unsigned long rx_mbuf_dmamap_errors; + unsigned long tx_queue_not_empty[2]; + + unsigned long rx_bytes; + unsigned long rx_packets; + unsigned long rx_crc_err; + unsigned long rx_phy_err; + unsigned long rx_dup_packets; + unsigned long rx_fifo_overflows; + unsigned long rx_short_err; + unsigned long rx_long_err; + unsigned long tx_bytes; + unsigned long tx_packets; + unsigned long tx_skip; + unsigned long tx_collision; + + int phy_addr; + +#ifdef IF_RT_DEBUG + int debug; +#endif +}; + +#ifdef IF_RT_DEBUG +enum +{ + RT_DEBUG_RX = 0x00000001, + RT_DEBUG_TX = 0x00000002, + RT_DEBUG_INTR = 0x00000004, + RT_DEBUG_STATE = 0x00000008, + RT_DEBUG_STATS = 0x00000010, + RT_DEBUG_PERIODIC = 0x00000020, + RT_DEBUG_WATCHDOG = 0x00000040, + RT_DEBUG_ANY = 0xffffffff +}; + +#define RT_DPRINTF(sc, m, fmt, ...) \ + do { if ((sc)->debug & (m)) \ + device_printf(sc->dev, fmt, __VA_ARGS__); } while (0) +#else +#define RT_DPRINTF(sc, m, fmt, ...) +#endif /* #ifdef IF_RT_DEBUG */ + +#endif /* #ifndef _IF_RTVAR_H_ */ |
