#
# Copyright (c) 2014-2018, Matthew Macy (mmacy@mattmacy.io)
# 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. Neither the name of Matthew Macy nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# 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.
#
# $FreeBSD$
#
#include <sys/types.h>
#include <sys/systm.h>
#include <sys/socket.h>
#include <machine/bus.h>
#include <sys/bus.h>
#include <net/ethernet.h>
#include <net/if.h>
#include <net/if_var.h>
#include <net/if_media.h>
#include <net/iflib.h>
#include <net/if_clone.h>
#include <net/if_dl.h>
#include <net/if_types.h>
INTERFACE ifdi;
CODE {
static void
null_void_op(if_ctx_t _ctx __unused)
{
}
static int
null_knlist_add(if_ctx_t _ctx __unused, struct knote *_kn)
{
return (0);
}
static int
null_knote_event(if_ctx_t _ctx __unused, struct knote *_kn, int _hint)
{
return (0);
}
static void
null_timer_op(if_ctx_t _ctx __unused, uint16_t _qsidx __unused)
{
}
static int
null_int_op(if_ctx_t _ctx __unused)
{
return (0);
}
static int
null_int_int_op(if_ctx_t _ctx __unused, int arg0 __unused)
{
return (ENOTSUP);
}
static int
null_queue_intr_enable(if_ctx_t _ctx __unused, uint16_t _qid __unused)
{
return (ENOTSUP);
}
static void
null_led_func(if_ctx_t _ctx __unused, int _onoff __unused)
{
}
static void
null_vlan_register_op(if_ctx_t _ctx __unused, uint16_t vtag __unused)
{
}
static int
null_q_setup(if_ctx_t _ctx __unused, uint32_t _qid __unused)
{
return (0);
}
static int
null_i2c_req(if_ctx_t _sctx __unused, struct ifi2creq *_i2c __unused)
{
return (ENOTSUP);
}
static int
null_sysctl_int_delay(if_ctx_t _sctx __unused, if_int_delay_info_t _iidi __unused)
{
return (0);
}
static int
null_iov_init(if_ctx_t _ctx __unused, uint16_t num_vfs __unused, const nvlist_t *params __unused)
{
return (ENOTSUP);
}
static int
null_vf_add(if_ctx_t _ctx __unused, uint16_t num_vfs __unused, const nvlist_t *params __unused)
{
return (ENOTSUP);
}
static int
null_priv_ioctl(if_ctx_t _ctx __unused, u_long command, caddr_t *data __unused)
{
return (ENOTSUP);
}
static void
null_media_status(if_ctx_t ctx __unused, struct ifmediareq *ifmr)
{
ifmr->ifm_status = IFM_AVALID | IFM_ACTIVE;
ifmr->ifm_active = IFM_ETHER | IFM_25G_ACC | IFM_FDX;
}
static int
null_cloneattach(if_ctx_t ctx __unused, struct if_clone *ifc __unused,
const char *name __unused, caddr_t params __unused)
{
return (0);
}
static void
null_rx_clset(if_ctx_t _ctx __unused, uint16_t _flid __unused,
uint16_t _qid __unused, caddr_t *_sdcl __unused)
{
}
static void
null_object_info_get(if_ctx_t ctx __unused, void *data __unused, int size __unused)
{
}
static int
default_mac_set(if_ctx_t ctx, const uint8_t *mac)
{
struct ifnet *ifp = iflib_get_ifp(ctx);
struct sockaddr_dl *sdl;
if (ifp && ifp->if_addr) {
sdl = (struct sockaddr_dl *)ifp->if_addr->ifa_addr;
MPASS(sdl->sdl_type == IFT_ETHER);
memcpy(LLADDR(sdl), mac, ETHER_ADDR_LEN);
}
return (0);
}
static bool
null_needs_restart(if_ctx_t _ctx __unused, enum iflib_restart_event _event __unused)
{
return (true);
}
};
#
# kevent interfaces
#
METHOD int knlist_add {
if_ctx_t _ctx;
struct knote *_kn;
} DEFAULT null_knlist_add;
METHOD int knote_event {
if_ctx_t _ctx;
struct knote *_kn;
int hint;
} DEFAULT null_knote_event;
#
# query
#
METHOD int object_info_get {
if_ctx_t _ctx;
void *data;
int size;
} DEFAULT null_object_info_get;
#
# bus interfaces
#
METHOD int attach_pre {
if_ctx_t _ctx;
} DEFAULT null_int_op;
METHOD int attach_post {
if_ctx_t _ctx;
} DEFAULT null_int_op;
METHOD int reinit_pre {
if_ctx_t _ctx;
} DEFAULT null_int_op;
METHOD int reinit_post {
if_ctx_t _ctx;
} DEFAULT null_int_op;
METHOD int cloneattach {
if_ctx_t _ctx;
struct if_clone *_ifc;
const char *_name;
caddr_t params;
} DEFAULT null_cloneattach;
METHOD int detach {
if_ctx_t _ctx;
};
METHOD int suspend {
if_ctx_t _ctx;
} DEFAULT null_int_op;
METHOD int shutdown {
if_ctx_t _ctx;
} DEFAULT null_int_op;
METHOD int resume {
if_ctx_t _ctx;
} DEFAULT null_int_op;
#
# downcall to driver to allocate its
# own queue state and tie it to the parent
#
METHOD int tx_queues_alloc {
if_ctx_t _ctx;
caddr_t *_vaddrs;
uint64_t *_paddrs;
int ntxqs;
int ntxqsets;
};
METHOD int rx_queues_alloc {
if_ctx_t _ctx;
caddr_t *_vaddrs;
uint64_t *_paddrs;
int nrxqs;
int nrxqsets;
};
METHOD void queues_free {
if_ctx_t _ctx;
} DEFAULT null_void_op;
METHOD void rx_clset {
if_ctx_t _ctx;
uint16_t _fl;
uint16_t _qsetid;
caddr_t *_sdcl;
} DEFAULT null_rx_clset;
#
# interface reset / stop
#
METHOD void init {
if_ctx_t _ctx;
};
METHOD void stop {
if_ctx_t _ctx;
};
#
# interrupt setup and manipulation
#
METHOD int msix_intr_assign {
if_ctx_t _sctx;
int msix;
} DEFAULT null_int_int_op;
METHOD void intr_enable {
if_ctx_t _ctx;
};
METHOD void intr_disable {
if_ctx_t _ctx;
};
METHOD int rx_queue_intr_enable {
if_ctx_t _ctx;
uint16_t _qid;
} DEFAULT null_queue_intr_enable;
METHOD int tx_queue_intr_enable {
if_ctx_t _ctx;
uint16_t _qid;
} DEFAULT null_queue_intr_enable;
METHOD void link_intr_enable {
if_ctx_t _ctx;
} DEFAULT null_void_op;
#
# interface configuration
#
METHOD void multi_set {
if_ctx_t _ctx;
};
METHOD int mtu_set {
if_ctx_t _ctx;
uint32_t _mtu;
};
METHOD int mac_set {
if_ctx_t _ctx;
const uint8_t *_mac;
} DEFAULT default_mac_set;
METHOD void media_set{
if_ctx_t _ctx;
} DEFAULT null_void_op;
METHOD int promisc_set {
if_ctx_t _ctx;
int _flags;
};
METHOD void crcstrip_set {
if_ctx_t _ctx;
int _onoff;
int _strip;
};
#
# IOV handling
#
METHOD void vflr_handle {
if_ctx_t _ctx;
} DEFAULT null_void_op;
METHOD int iov_init {
if_ctx_t _ctx;
uint16_t num_vfs;
const nvlist_t * params;
} DEFAULT null_iov_init;
METHOD void iov_uninit {
if_ctx_t _ctx;
} DEFAULT null_void_op;
METHOD int iov_vf_add {
if_ctx_t _ctx;
uint16_t num_vfs;
const nvlist_t * params;
} DEFAULT null_vf_add;
#
# Device status
#
METHOD void update_admin_status {
if_ctx_t _ctx;
};
METHOD void media_status {
if_ctx_t _ctx;
struct ifmediareq *_ifm;
} DEFAULT null_media_status;
METHOD int media_change {
if_ctx_t _ctx;
} DEFAULT null_int_op;
METHOD uint64_t get_counter {
if_ctx_t _ctx;
ift_counter cnt;
};
METHOD int priv_ioctl {
if_ctx_t _ctx;
u_long _cmd;
caddr_t _data;
} DEFAULT null_priv_ioctl;
#
# optional methods
#
METHOD int i2c_req {
if_ctx_t _ctx;
struct ifi2creq *_req;
} DEFAULT null_i2c_req;
METHOD int txq_setup {
if_ctx_t _ctx;
uint32_t _txqid;
} DEFAULT null_q_setup;
METHOD int rxq_setup {
if_ctx_t _ctx;
uint32_t _txqid;
} DEFAULT null_q_setup;
METHOD void timer {
if_ctx_t _ctx;
uint16_t _txqid;
} DEFAULT null_timer_op;
METHOD void watchdog_reset {
if_ctx_t _ctx;
} DEFAULT null_void_op;
METHOD void watchdog_reset_queue {
if_ctx_t _ctx;
uint16_t _q;
} DEFAULT null_timer_op;
METHOD void led_func {
if_ctx_t _ctx;
int _onoff;
} DEFAULT null_led_func;
METHOD void vlan_register {
if_ctx_t _ctx;
uint16_t _vtag;
} DEFAULT null_vlan_register_op;
METHOD void vlan_unregister {
if_ctx_t _ctx;
uint16_t _vtag;
} DEFAULT null_vlan_register_op;
METHOD int sysctl_int_delay {
if_ctx_t _sctx;
if_int_delay_info_t _iidi;
} DEFAULT null_sysctl_int_delay;
METHOD void debug {
if_ctx_t _ctx;
} DEFAULT null_void_op;
METHOD bool needs_restart {
if_ctx_t _ctx;
enum iflib_restart_event _event;
} DEFAULT null_needs_restart;
