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if_rt.c
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if_rtreg.h
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if_rtvar.h
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Editing: if_rtvar.h
/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * 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 #define RT_SOFTC_RX_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) #define RT305X_RXD_SRC_L4_CSUM_FAIL (1 << 28) #define RT305X_RXD_SRC_IP_CSUM_FAIL (1 << 29) #define MT7620_RXD_SRC_L4_CSUM_FAIL (1 << 22) #define MT7620_RXD_SRC_IP_CSUM_FAIL (1 << 25) #define MT7621_RXD_SRC_L4_CSUM_FAIL (1 << 23) #define MT7621_RXD_SRC_IP_CSUM_FAIL (1 << 26) struct rt_rxdesc { uint32_t sdp0; uint16_t sdl1; uint16_t sdl0; uint32_t sdp1; #if 0 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 #endif uint32_t word3; } __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; int qid; }; 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[RT_SOFTC_RX_RING_COUNT]; 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[RT_SOFTC_RX_RING_COUNT]; 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 uint32_t rt_chipid; /* chip specific registers config */ int rx_ring_count; uint32_t csum_fail_l4; uint32_t csum_fail_ip; uint32_t int_rx_done_mask; uint32_t int_tx_done_mask; uint32_t delay_int_cfg; uint32_t fe_int_status; uint32_t fe_int_enable; uint32_t pdma_glo_cfg; uint32_t pdma_rst_idx; uint32_t gdma1_base; uint32_t tx_base_ptr[RT_SOFTC_TX_RING_COUNT]; uint32_t tx_max_cnt[RT_SOFTC_TX_RING_COUNT]; uint32_t tx_ctx_idx[RT_SOFTC_TX_RING_COUNT]; uint32_t tx_dtx_idx[RT_SOFTC_TX_RING_COUNT]; uint32_t rx_base_ptr[RT_SOFTC_RX_RING_COUNT]; uint32_t rx_max_cnt[RT_SOFTC_RX_RING_COUNT]; uint32_t rx_calc_idx[RT_SOFTC_RX_RING_COUNT]; uint32_t rx_drx_idx[RT_SOFTC_RX_RING_COUNT]; }; #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_ */
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