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freebsd-dev/sys/dev/nxge/if_nxge.h
Pedro F. Giffuni 718cf2ccb9 sys/dev: further adoption of SPDX licensing ID tags. 
Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.
2017-11-27 14:52:40 +00:00

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/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2002-2007 Neterion, Inc.
* All rights reserved.
*
* 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 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_XGE_H
#define _IF_XGE_H
#include <dev/nxge/include/xgehal.h>
#include <dev/nxge/xge-osdep.h>
/* Printing description, Copyright */
#define XGE_DRIVER_VERSION \
XGELL_VERSION_MAJOR"."XGELL_VERSION_MINOR"." \
XGELL_VERSION_FIX"."XGELL_VERSION_BUILD
#define XGE_COPYRIGHT "Copyright(c) 2002-2007 Neterion Inc."
/* Printing */
#define xge_trace(trace, fmt, args...) xge_debug_ll(trace, fmt, ## args);
#define XGE_ALIGN_TO(buffer_length, to) { \
if((buffer_length % to) != 0) { \
buffer_length += (to - (buffer_length % to)); \
} \
}
#define XGE_EXIT_ON_ERR(text, label, return_value) { \
xge_trace(XGE_ERR, "%s (Status: %d)", text, return_value); \
status = return_value; \
goto label; \
}
#define XGE_SET_BUFFER_MODE_IN_RINGS(mode) { \
for(index = 0; index < XGE_RING_COUNT; index++) \
ring_config->queue[index].buffer_mode = mode; \
}
#define XGE_DEFAULT_USER_HARDCODED -1
#define XGE_MAX_SEGS 100 /* Maximum number of segments */
#define XGE_TX_LEVEL_LOW 16
#define XGE_FIFO_COUNT XGE_HAL_MIN_FIFO_NUM
#define XGE_RING_COUNT XGE_HAL_MIN_RING_NUM
#define XGE_BUFFER_SIZE 20
#define XGE_LRO_DEFAULT_ENTRIES 12
#define XGE_BAUDRATE 1000000000
/* Default values to configuration parameters */
#define XGE_DEFAULT_ENABLED_TSO 1
#define XGE_DEFAULT_ENABLED_LRO 1
#define XGE_DEFAULT_ENABLED_MSI 1
#define XGE_DEFAULT_BUFFER_MODE 1
#define XGE_DEFAULT_INITIAL_MTU 1500
#define XGE_DEFAULT_LATENCY_TIMER -1
#define XGE_DEFAULT_MAX_SPLITS_TRANS -1
#define XGE_DEFAULT_MMRB_COUNT -1
#define XGE_DEFAULT_SHARED_SPLITS 0
#define XGE_DEFAULT_ISR_POLLING_CNT 8
#define XGE_DEFAULT_STATS_REFRESH_TIME_SEC 4
#define XGE_DEFAULT_MAC_RMAC_BCAST_EN 1
#define XGE_DEFAULT_MAC_TMAC_UTIL_PERIOD 5
#define XGE_DEFAULT_MAC_RMAC_UTIL_PERIOD 5
#define XGE_DEFAULT_MAC_RMAC_PAUSE_GEN_EN 1
#define XGE_DEFAULT_MAC_RMAC_PAUSE_RCV_EN 1
#define XGE_DEFAULT_MAC_RMAC_PAUSE_TIME 65535
#define XGE_DEFAULT_MAC_MC_PAUSE_THRESHOLD_Q0Q3 187
#define XGE_DEFAULT_MAC_MC_PAUSE_THRESHOLD_Q4Q7 187
#define XGE_DEFAULT_FIFO_MEMBLOCK_SIZE PAGE_SIZE
#define XGE_DEFAULT_FIFO_RESERVE_THRESHOLD 0
#define XGE_DEFAULT_FIFO_MAX_FRAGS 64
#define XGE_DEFAULT_FIFO_QUEUE_INTR 0
#define XGE_DEFAULT_FIFO_QUEUE_MAX 2048
#define XGE_DEFAULT_FIFO_QUEUE_INITIAL 2048
#define XGE_DEFAULT_FIFO_QUEUE_TTI_URANGE_A 5
#define XGE_DEFAULT_FIFO_QUEUE_TTI_URANGE_B 10
#define XGE_DEFAULT_FIFO_QUEUE_TTI_URANGE_C 20
#define XGE_DEFAULT_FIFO_QUEUE_TTI_UFC_A 15
#define XGE_DEFAULT_FIFO_QUEUE_TTI_UFC_B 30
#define XGE_DEFAULT_FIFO_QUEUE_TTI_UFC_C 45
#define XGE_DEFAULT_FIFO_QUEUE_TTI_UFC_D 60
#define XGE_DEFAULT_FIFO_QUEUE_TTI_TIMER_CI_EN 1
#define XGE_DEFAULT_FIFO_QUEUE_TTI_TIMER_AC_EN 1
#define XGE_DEFAULT_FIFO_QUEUE_TTI_TIMER_VAL_US 8000
#define XGE_DEFAULT_FIFO_ALIGNMENT_SIZE sizeof(u64)
#define XGE_DEFAULT_RING_MEMBLOCK_SIZE PAGE_SIZE
#define XGE_DEFAULT_RING_STRIP_VLAN_TAG 1
#define XGE_DEFAULT_RING_QUEUE_MAX 16
#define XGE_DEFAULT_RING_QUEUE_INITIAL 16
#define XGE_DEFAULT_RING_QUEUE_DRAM_SIZE_MB 32
#define XGE_DEFAULT_RING_QUEUE_INDICATE_MAX_PKTS 16
#define XGE_DEFAULT_RING_QUEUE_BACKOFF_INTERVAL_US 1000
#define XGE_DEFAULT_RING_QUEUE_RTI_URANGE_A 5
#define XGE_DEFAULT_RING_QUEUE_RTI_URANGE_B 10
#define XGE_DEFAULT_RING_QUEUE_RTI_URANGE_C 50
#define XGE_DEFAULT_RING_QUEUE_RTI_UFC_A 1
#define XGE_DEFAULT_RING_QUEUE_RTI_UFC_B 8
#define XGE_DEFAULT_RING_QUEUE_RTI_UFC_C 16
#define XGE_DEFAULT_RING_QUEUE_RTI_UFC_D 32
#define XGE_DEFAULT_RING_QUEUE_RTI_TIMER_AC_EN 1
#define XGE_DEFAULT_RING_QUEUE_RTI_TIMER_VAL_US 250
#define XGE_DRV_STATS(param) (lldev->driver_stats.param++)
#define XGE_SAVE_PARAM(to, what, value) to.what = value;
#define XGE_GET_PARAM(str_kenv, to, param, hardcode) { \
static int param##__LINE__; \
if(testenv(str_kenv) == 1) { \
getenv_int(str_kenv, &param##__LINE__); \
} \
else { \
param##__LINE__ = hardcode; \
} \
XGE_SAVE_PARAM(to, param, param##__LINE__); \
}
#define XGE_GET_PARAM_MAC(str_kenv, param, hardcode) \
XGE_GET_PARAM(str_kenv, ((*dconfig).mac), param, hardcode);
#define XGE_GET_PARAM_FIFO(str_kenv, param, hardcode) \
XGE_GET_PARAM(str_kenv, ((*dconfig).fifo), param, hardcode);
#define XGE_GET_PARAM_FIFO_QUEUE(str_kenv, param, qindex, hardcode) \
XGE_GET_PARAM(str_kenv, ((*dconfig).fifo.queue[qindex]), param, \
hardcode);
#define XGE_GET_PARAM_FIFO_QUEUE_TTI(str_kenv, param, qindex, tindex, hardcode)\
XGE_GET_PARAM(str_kenv, ((*dconfig).fifo.queue[qindex].tti[tindex]), \
param, hardcode);
#define XGE_GET_PARAM_RING(str_kenv, param, hardcode) \
XGE_GET_PARAM(str_kenv, ((*dconfig).ring), param, hardcode);
#define XGE_GET_PARAM_RING_QUEUE(str_kenv, param, qindex, hardcode) \
XGE_GET_PARAM(str_kenv, ((*dconfig).ring.queue[qindex]), param, \
hardcode);
#define XGE_GET_PARAM_RING_QUEUE_RTI(str_kenv, param, qindex, hardcode) \
XGE_GET_PARAM(str_kenv, ((*dconfig).ring.queue[qindex].rti), param, \
hardcode);
/* Values to identify the requests from getinfo tool in ioctl */
#define XGE_QUERY_STATS 1
#define XGE_QUERY_PCICONF 2
#define XGE_QUERY_DEVSTATS 3
#define XGE_QUERY_DEVCONF 4
#define XGE_READ_VERSION 5
#define XGE_QUERY_SWSTATS 6
#define XGE_QUERY_DRIVERSTATS 7
#define XGE_SET_BUFFER_MODE_1 8
#define XGE_SET_BUFFER_MODE_2 9
#define XGE_SET_BUFFER_MODE_5 10
#define XGE_QUERY_BUFFER_MODE 11
#define XGE_OFFSET_OF_LAST_REG 0x3180
#define VENDOR_ID_AMD 0x1022
#define DEVICE_ID_8131_PCI_BRIDGE 0x7450
typedef struct mbuf *mbuf_t;
typedef enum xge_lables {
xge_free_all = 0,
xge_free_mutex = 1,
xge_free_terminate_hal_driver = 2,
xge_free_hal_device = 3,
xge_free_pci_info = 4,
xge_free_bar0 = 5,
xge_free_bar0_resource = 6,
xge_free_bar1 = 7,
xge_free_bar1_resource = 8,
xge_free_irq_resource = 9,
xge_free_terminate_hal_device = 10,
xge_free_media_interface = 11,
} xge_lables_e;
typedef enum xge_option {
XGE_CHANGE_LRO = 0,
XGE_SET_MTU = 1
} xge_option_e;
typedef enum xge_event_e {
XGE_LL_EVENT_TRY_XMIT_AGAIN = XGE_LL_EVENT_BASE + 1,
XGE_LL_EVENT_DEVICE_RESETTING = XGE_LL_EVENT_BASE + 2
} xge_event_e;
typedef struct xge_msi_info {
u16 msi_control; /* MSI control 0x42 */
u32 msi_lower_address; /* MSI lower address 0x44 */
u32 msi_higher_address; /* MSI higher address 0x48 */
u16 msi_data; /* MSI data */
} xge_msi_info_t;
typedef struct xge_driver_stats_t {
/* ISR statistics */
u64 isr_filter;
u64 isr_line;
u64 isr_msi;
/* Tx statistics */
u64 tx_calls;
u64 tx_completions;
u64 tx_desc_compl;
u64 tx_tcode;
u64 tx_defrag;
u64 tx_no_txd;
u64 tx_map_fail;
u64 tx_max_frags;
u64 tx_tso;
u64 tx_posted;
u64 tx_again;
u64 tx_lock_fail;
/* Rx statistics */
u64 rx_completions;
u64 rx_desc_compl;
u64 rx_tcode;
u64 rx_no_buf;
u64 rx_map_fail;
/* LRO statistics */
u64 lro_uncapable;
u64 lro_begin;
u64 lro_end1;
u64 lro_end2;
u64 lro_end3;
u64 lro_append;
u64 lro_session_exceeded;
u64 lro_close;
} xge_driver_stats_t;
typedef struct xge_lro_entry_t {
SLIST_ENTRY(xge_lro_entry_t) next;
struct mbuf *m_head;
struct mbuf *m_tail;
struct ip *lro_header_ip;
int timestamp;
u32 tsval;
u32 tsecr;
u32 source_ip;
u32 dest_ip;
u32 next_seq;
u32 ack_seq;
u32 len;
u32 data_csum;
u16 window;
u16 source_port;
u16 dest_port;
u16 append_cnt;
u16 mss;
} xge_lro_entry_t;
SLIST_HEAD(lro_head, xge_lro_entry_t);
/* Adapter structure */
typedef struct xge_lldev_t {
device_t device; /* Device */
struct ifnet *ifnetp; /* Interface ifnet structure */
struct resource *irq; /* Resource structure for IRQ */
void *irqhandle; /* IRQ handle */
xge_pci_info_t *pdev; /* PCI info */
xge_hal_device_t *devh; /* HAL: Device Handle */
struct mtx mtx_drv; /* Mutex - Driver */
struct mtx mtx_tx[XGE_FIFO_COUNT];
/* Mutex - Tx */
char mtx_name_drv[16];/*Mutex Name - Driver */
char mtx_name_tx[16][XGE_FIFO_COUNT];
/* Mutex Name - Tx */
struct callout timer; /* Timer for polling */
struct ifmedia media; /* In-kernel representation of a */
/* single supported media type */
xge_hal_channel_h fifo_channel[XGE_FIFO_COUNT];
/* FIFO channels */
xge_hal_channel_h ring_channel[XGE_RING_COUNT];
/* Ring channels */
bus_dma_tag_t dma_tag_tx; /* Tag for dtr dma mapping (Tx) */
bus_dma_tag_t dma_tag_rx; /* Tag for dtr dma mapping (Rx) */
bus_dmamap_t extra_dma_map; /* Extra DMA map for Rx */
xge_msi_info_t msi_info; /* MSI info */
xge_driver_stats_t driver_stats; /* Driver statistics */
int initialized; /* Flag: Initialized or not */
int all_multicast; /* All multicast flag */
int macaddr_count; /* Multicast address count */
int in_detach; /* To avoid ioctl during detach */
int buffer_mode; /* Buffer Mode */
int rxd_mbuf_cnt; /* Number of buffers used */
int rxd_mbuf_len[5];/* Buffer lengths */
int enabled_tso; /* Flag: TSO Enabled */
int enabled_lro; /* Flag: LRO Enabled */
int enabled_msi; /* Flag: MSI Enabled */
int mtu; /* Interface MTU */
int lro_num; /* Number of LRO sessions */
struct lro_head lro_active; /* Active LRO sessions */
struct lro_head lro_free; /* Free LRO sessions */
} xge_lldev_t;
/* Rx descriptor private structure */
typedef struct xge_rx_priv_t {
mbuf_t *bufferArray;
xge_dma_mbuf_t dmainfo[5];
} xge_rx_priv_t;
/* Tx descriptor private structure */
typedef struct xge_tx_priv_t {
mbuf_t buffer;
bus_dmamap_t dma_map;
} xge_tx_priv_t;
/* BAR0 Register */
typedef struct xge_register_t {
char option[2];
u64 offset;
u64 value;
}xge_register_t;
void xge_init_params(xge_hal_device_config_t *, device_t);
void xge_init(void *);
void xge_device_init(xge_lldev_t *, xge_hal_channel_reopen_e);
void xge_device_stop(xge_lldev_t *, xge_hal_channel_reopen_e);
void xge_stop(xge_lldev_t *);
void xge_resources_free(device_t, xge_lables_e);
void xge_callback_link_up(void *);
void xge_callback_link_down(void *);
void xge_callback_crit_err(void *, xge_hal_event_e, u64);
void xge_callback_event(xge_queue_item_t *);
int xge_ifmedia_change(struct ifnet *);
void xge_ifmedia_status(struct ifnet *, struct ifmediareq *);
int xge_ioctl(struct ifnet *, unsigned long, caddr_t);
int xge_ioctl_stats(xge_lldev_t *, struct ifreq *);
int xge_ioctl_registers(xge_lldev_t *, struct ifreq *);
void xge_timer(void *);
int xge_isr_filter(void *);
void xge_isr_line(void *);
void xge_isr_msi(void *);
void xge_enable_msi(xge_lldev_t *);
int xge_rx_open(int, xge_lldev_t *, xge_hal_channel_reopen_e);
int xge_tx_open(xge_lldev_t *, xge_hal_channel_reopen_e);
void xge_channel_close(xge_lldev_t *, xge_hal_channel_reopen_e);
int xge_channel_open(xge_lldev_t *, xge_hal_channel_reopen_e);
xge_hal_status_e xge_rx_compl(xge_hal_channel_h, xge_hal_dtr_h, u8, void *);
xge_hal_status_e xge_tx_compl(xge_hal_channel_h, xge_hal_dtr_h, u8, void *);
xge_hal_status_e xge_tx_initial_replenish(xge_hal_channel_h, xge_hal_dtr_h,
int, void *, xge_hal_channel_reopen_e);
xge_hal_status_e xge_rx_initial_replenish(xge_hal_channel_h, xge_hal_dtr_h,
int, void *, xge_hal_channel_reopen_e);
void xge_rx_term(xge_hal_channel_h, xge_hal_dtr_h, xge_hal_dtr_state_e,
void *, xge_hal_channel_reopen_e);
void xge_tx_term(xge_hal_channel_h, xge_hal_dtr_h, xge_hal_dtr_state_e,
void *, xge_hal_channel_reopen_e);
void xge_set_mbuf_cflags(mbuf_t);
void xge_send(struct ifnet *);
static void inline xge_send_locked(struct ifnet *, int);
int xge_get_buf(xge_hal_dtr_h, xge_rx_priv_t *, xge_lldev_t *, int);
int xge_ring_dtr_get(mbuf_t, xge_hal_channel_h, xge_hal_dtr_h, xge_lldev_t *,
xge_rx_priv_t *);
int xge_get_buf_3b_5b(xge_hal_dtr_h, xge_rx_priv_t *, xge_lldev_t *);
void dmamap_cb(void *, bus_dma_segment_t *, int, int);
void xge_reset(xge_lldev_t *);
void xge_setmulti(xge_lldev_t *);
void xge_enable_promisc(xge_lldev_t *);
void xge_disable_promisc(xge_lldev_t *);
int xge_change_mtu(xge_lldev_t *, int);
void xge_buffer_mode_init(xge_lldev_t *, int);
void xge_initialize(device_t, xge_hal_channel_reopen_e);
void xge_terminate(device_t, xge_hal_channel_reopen_e);
int xge_probe(device_t);
int xge_driver_initialize(void);
void xge_media_init(device_t);
void xge_pci_space_save(device_t);
void xge_pci_space_restore(device_t);
void xge_msi_info_save(xge_lldev_t *);
void xge_msi_info_restore(xge_lldev_t *);
int xge_attach(device_t);
int xge_interface_setup(device_t);
int xge_detach(device_t);
int xge_shutdown(device_t);
void xge_mutex_init(xge_lldev_t *);
void xge_mutex_destroy(xge_lldev_t *);
void xge_print_info(xge_lldev_t *);
void xge_lro_flush_sessions(xge_lldev_t *);
void xge_rx_buffer_sizes_set(xge_lldev_t *, int, int);
void xge_accumulate_large_rx(xge_lldev_t *, struct mbuf *, int,
xge_rx_priv_t *);
xge_hal_status_e xge_create_dma_tags(device_t);
void xge_add_sysctl_handlers(xge_lldev_t *);
void xge_confirm_changes(xge_lldev_t *, xge_option_e);
static int xge_lro_accumulate(xge_lldev_t *, struct mbuf *);
static void xge_lro_flush(xge_lldev_t *, xge_lro_entry_t *);
#endif // _IF_XGE_H
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