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/*-
* Copyright 2009 Solarflare Communications 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/dev/sfxge/common/efx_wol.c 228100 2011-11-28 20:28:23Z philip $");
#include "efsys.h"
#include "efx.h"
#include "efx_types.h"
#include "efx_impl.h"
#if EFSYS_OPT_WOL
__checkReturn int
efx_wol_init(
__in efx_nic_t *enp)
{
efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
int rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
EFSYS_ASSERT(!(enp->en_mod_flags & EFX_MOD_WOL));
if (~(encp->enc_features) & EFX_FEATURE_WOL) {
rc = ENOTSUP;
goto fail1;
}
/* Current implementation is Siena specific */
EFSYS_ASSERT3U(enp->en_family, ==, EFX_FAMILY_SIENA);
enp->en_mod_flags |= EFX_MOD_WOL;
return (0);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
__checkReturn int
efx_wol_filter_clear(
__in efx_nic_t *enp)
{
efx_mcdi_req_t req;
uint8_t payload[MC_CMD_WOL_FILTER_RESET_IN_LEN];
int rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_WOL);
req.emr_cmd = MC_CMD_WOL_FILTER_RESET;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_WOL_FILTER_RESET_IN_LEN;
req.emr_out_buf = NULL;
req.emr_out_length = 0;
MCDI_IN_SET_DWORD(req, WOL_FILTER_RESET_IN_MASK,
MC_CMD_WOL_FILTER_RESET_IN_WAKE_FILTERS |
MC_CMD_WOL_FILTER_RESET_IN_LIGHTSOUT_OFFLOADS);
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail1;
}
return (0);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
__checkReturn int
efx_wol_filter_add(
__in efx_nic_t *enp,
__in efx_wol_type_t type,
__in efx_wol_param_t *paramp,
__out uint32_t *filter_idp)
{
efx_mcdi_req_t req;
uint8_t payload[MAX(MC_CMD_WOL_FILTER_SET_IN_LEN,
MC_CMD_WOL_FILTER_SET_OUT_LEN)];
efx_byte_t link_mask;
int rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_WOL);
req.emr_cmd = MC_CMD_WOL_FILTER_SET;
(void) memset(payload, '\0', sizeof (payload));
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_WOL_FILTER_SET_IN_LEN;
req.emr_out_buf = payload;
req.emr_out_length = MC_CMD_WOL_FILTER_SET_OUT_LEN;
switch (type) {
case EFX_WOL_TYPE_MAGIC:
MCDI_IN_SET_DWORD(req, WOL_FILTER_SET_IN_FILTER_MODE,
MC_CMD_FILTER_MODE_SIMPLE);
MCDI_IN_SET_DWORD(req, WOL_FILTER_SET_IN_WOL_TYPE,
MC_CMD_WOL_TYPE_MAGIC);
EFX_MAC_ADDR_COPY(
MCDI_IN2(req, uint8_t, WOL_FILTER_SET_IN_MAGIC_MAC),
paramp->ewp_magic.mac_addr);
break;
case EFX_WOL_TYPE_BITMAP: {
uint32_t swapped = 0;
efx_dword_t *dwordp;
unsigned int pos, bit;
MCDI_IN_SET_DWORD(req, WOL_FILTER_SET_IN_FILTER_MODE,
MC_CMD_FILTER_MODE_SIMPLE);
MCDI_IN_SET_DWORD(req, WOL_FILTER_SET_IN_WOL_TYPE,
MC_CMD_WOL_TYPE_BITMAP);
/*
* MC bitmask is supposed to be bit swapped
* amongst 32 bit words(!)
*/
dwordp = MCDI_IN2(req, efx_dword_t,
WOL_FILTER_SET_IN_BITMAP_MASK);
EFSYS_ASSERT3U(EFX_WOL_BITMAP_MASK_SIZE % 4, ==, 0);
for (pos = 0; pos < EFX_WOL_BITMAP_MASK_SIZE; ++pos) {
uint8_t native = paramp->ewp_bitmap.mask[pos];
for (bit = 0; bit < 8; ++bit) {
swapped <<= 1;
swapped |= (native & 0x1);
native >>= 1;
}
if ((pos & 3) == 3) {
EFX_POPULATE_DWORD_1(dwordp[pos >> 2],
EFX_DWORD_0, swapped);
swapped = 0;
}
}
memcpy(MCDI_IN2(req, uint8_t, WOL_FILTER_SET_IN_BITMAP_BITMAP),
paramp->ewp_bitmap.value,
sizeof (paramp->ewp_bitmap.value));
EFSYS_ASSERT3U(paramp->ewp_bitmap.value_len, <=,
sizeof (paramp->ewp_bitmap.value));
MCDI_IN_SET_DWORD(req, WOL_FILTER_SET_IN_BITMAP_LEN,
paramp->ewp_bitmap.value_len);
}
break;
case EFX_WOL_TYPE_LINK:
MCDI_IN_SET_DWORD(req, WOL_FILTER_SET_IN_FILTER_MODE,
MC_CMD_FILTER_MODE_SIMPLE);
MCDI_IN_SET_DWORD(req, WOL_FILTER_SET_IN_WOL_TYPE,
MC_CMD_WOL_TYPE_LINK);
EFX_ZERO_BYTE(link_mask);
EFX_SET_BYTE_FIELD(link_mask, MC_CMD_WOL_FILTER_SET_IN_LINK_UP,
1);
MCDI_IN_SET_BYTE(req, WOL_FILTER_SET_IN_LINK_MASK,
link_mask.eb_u8[0]);
break;
default:
EFSYS_ASSERT3U(type, !=, type);
}
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail1;
}
if (req.emr_out_length_used < MC_CMD_WOL_FILTER_SET_OUT_LEN) {
rc = EMSGSIZE;
goto fail2;
}
*filter_idp = MCDI_OUT_DWORD(req, WOL_FILTER_SET_OUT_FILTER_ID);
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
__checkReturn int
efx_wol_filter_remove(
__in efx_nic_t *enp,
__in uint32_t filter_id)
{
efx_mcdi_req_t req;
uint8_t payload[MC_CMD_WOL_FILTER_REMOVE_IN_LEN];
int rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_WOL);
req.emr_cmd = MC_CMD_WOL_FILTER_REMOVE;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_WOL_FILTER_REMOVE_IN_LEN;
EFX_STATIC_ASSERT(MC_CMD_WOL_FILTER_REMOVE_OUT_LEN == 0);
req.emr_out_buf = NULL;
req.emr_out_length = 0;
MCDI_IN_SET_DWORD(req, WOL_FILTER_REMOVE_IN_FILTER_ID, filter_id);
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail1;
}
return (0);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
__checkReturn int
efx_lightsout_offload_add(
__in efx_nic_t *enp,
__in efx_lightsout_offload_type_t type,
__in efx_lightsout_offload_param_t *paramp,
__out uint32_t *filter_idp)
{
efx_mcdi_req_t req;
uint8_t payload[MAX(MAX(MC_CMD_ADD_LIGHTSOUT_OFFLOAD_IN_ARP_LEN,
MC_CMD_ADD_LIGHTSOUT_OFFLOAD_IN_NS_LEN),
MC_CMD_ADD_LIGHTSOUT_OFFLOAD_OUT_LEN)];
int rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_WOL);
req.emr_cmd = MC_CMD_ADD_LIGHTSOUT_OFFLOAD;
req.emr_in_buf = payload;
req.emr_in_length = sizeof (type);
req.emr_out_buf = payload;
req.emr_out_length = MC_CMD_ADD_LIGHTSOUT_OFFLOAD_OUT_LEN;
switch (type) {
case EFX_LIGHTSOUT_OFFLOAD_TYPE_ARP:
req.emr_in_length = MC_CMD_ADD_LIGHTSOUT_OFFLOAD_IN_ARP_LEN;
MCDI_IN_SET_DWORD(req, ADD_LIGHTSOUT_OFFLOAD_IN_PROTOCOL,
MC_CMD_LIGHTSOUT_OFFLOAD_PROTOCOL_ARP);
EFX_MAC_ADDR_COPY(MCDI_IN2(req, uint8_t,
ADD_LIGHTSOUT_OFFLOAD_IN_ARP_MAC),
paramp->elop_arp.mac_addr);
MCDI_IN_SET_DWORD(req, ADD_LIGHTSOUT_OFFLOAD_IN_ARP_IP,
paramp->elop_arp.ip);
break;
case EFX_LIGHTSOUT_OFFLOAD_TYPE_NS:
req.emr_in_length = MC_CMD_ADD_LIGHTSOUT_OFFLOAD_IN_NS_LEN;
MCDI_IN_SET_DWORD(req, ADD_LIGHTSOUT_OFFLOAD_IN_PROTOCOL,
MC_CMD_LIGHTSOUT_OFFLOAD_PROTOCOL_NS);
EFX_MAC_ADDR_COPY(MCDI_IN2(req, uint8_t,
ADD_LIGHTSOUT_OFFLOAD_IN_NS_MAC),
paramp->elop_ns.mac_addr);
memcpy(MCDI_IN2(req, uint8_t,
ADD_LIGHTSOUT_OFFLOAD_IN_NS_SNIPV6),
paramp->elop_ns.solicited_node,
sizeof (paramp->elop_ns.solicited_node));
memcpy(MCDI_IN2(req, uint8_t, ADD_LIGHTSOUT_OFFLOAD_IN_NS_IPV6),
paramp->elop_ns.ip, sizeof (paramp->elop_ns.ip));
break;
default:
EFSYS_ASSERT3U(type, !=, type);
}
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail1;
}
if (req.emr_out_length_used < MC_CMD_ADD_LIGHTSOUT_OFFLOAD_OUT_LEN) {
rc = EMSGSIZE;
goto fail2;
}
*filter_idp = MCDI_OUT_DWORD(req, ADD_LIGHTSOUT_OFFLOAD_OUT_FILTER_ID);
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
__checkReturn int
efx_lightsout_offload_remove(
__in efx_nic_t *enp,
__in efx_lightsout_offload_type_t type,
__in uint32_t filter_id)
{
efx_mcdi_req_t req;
uint8_t payload[MC_CMD_REMOVE_LIGHTSOUT_OFFLOAD_IN_LEN];
int rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_WOL);
req.emr_cmd = MC_CMD_REMOVE_LIGHTSOUT_OFFLOAD;
req.emr_in_buf = payload;
req.emr_in_length = sizeof (payload);
EFX_STATIC_ASSERT(MC_CMD_REMOVE_LIGHTSOUT_OFFLOAD_OUT_LEN == 0);
req.emr_out_buf = NULL;
req.emr_out_length = 0;
switch (type) {
case EFX_LIGHTSOUT_OFFLOAD_TYPE_ARP:
MCDI_IN_SET_DWORD(req, REMOVE_LIGHTSOUT_OFFLOAD_IN_PROTOCOL,
MC_CMD_LIGHTSOUT_OFFLOAD_PROTOCOL_ARP);
break;
case EFX_LIGHTSOUT_OFFLOAD_TYPE_NS:
MCDI_IN_SET_DWORD(req, REMOVE_LIGHTSOUT_OFFLOAD_IN_PROTOCOL,
MC_CMD_LIGHTSOUT_OFFLOAD_PROTOCOL_NS);
break;
default:
EFSYS_ASSERT3U(type, !=, type);
}
MCDI_IN_SET_DWORD(req, REMOVE_LIGHTSOUT_OFFLOAD_IN_FILTER_ID,
filter_id);
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail1;
}
return (0);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
void
efx_wol_fini(
__in efx_nic_t *enp)
{
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_WOL);
enp->en_mod_flags &= ~EFX_MOD_WOL;
}
#endif /* EFSYS_OPT_WOL */