// SPDX-License-Identifier: GPL-2.0-only
/* Atlantic Network Driver
*
* Copyright (C) 2014-2019 aQuantia Corporation
* Copyright (C) 2019-2020 Marvell International Ltd.
*/
/* File hw_atl_b0.c: Definition of Atlantic hardware specific functions. */
#include "../aq_hw.h"
#include "../aq_hw_utils.h"
#include "../aq_ring.h"
#include "../aq_nic.h"
#include "../aq_phy.h"
#include "hw_atl_b0.h"
#include "hw_atl_utils.h"
#include "hw_atl_llh.h"
#include "hw_atl_b0_internal.h"
#include "hw_atl_llh_internal.h"
#define DEFAULT_B0_BOARD_BASIC_CAPABILITIES \
.is_64_dma = true, \
.op64bit = false, \
.msix_irqs = 8U, \
.irq_mask = ~0U, \
.vecs = HW_ATL_B0_RSS_MAX, \
.tcs_max = HW_ATL_B0_TC_MAX, \
.rxd_alignment = 1U, \
.rxd_size = HW_ATL_B0_RXD_SIZE, \
.rxds_max = HW_ATL_B0_MAX_RXD, \
.rxds_min = HW_ATL_B0_MIN_RXD, \
.txd_alignment = 1U, \
.txd_size = HW_ATL_B0_TXD_SIZE, \
.txds_max = HW_ATL_B0_MAX_TXD, \
.txds_min = HW_ATL_B0_MIN_TXD, \
.txhwb_alignment = 4096U, \
.tx_rings = HW_ATL_B0_TX_RINGS, \
.rx_rings = HW_ATL_B0_RX_RINGS, \
.hw_features = NETIF_F_HW_CSUM | \
NETIF_F_RXCSUM | \
NETIF_F_RXHASH | \
NETIF_F_SG | \
NETIF_F_TSO | \
NETIF_F_TSO6 | \
NETIF_F_LRO | \
NETIF_F_NTUPLE | \
NETIF_F_HW_VLAN_CTAG_FILTER | \
NETIF_F_HW_VLAN_CTAG_RX | \
NETIF_F_HW_VLAN_CTAG_TX | \
NETIF_F_GSO_UDP_L4 | \
NETIF_F_GSO_PARTIAL | \
NETIF_F_HW_TC, \
.hw_priv_flags = IFF_UNICAST_FLT, \
.flow_control = true, \
.mtu = HW_ATL_B0_MTU_JUMBO, \
.mac_regs_count = 88, \
.hw_alive_check_addr = 0x10U
const struct aq_hw_caps_s hw_atl_b0_caps_aqc100 = {
DEFAULT_B0_BOARD_BASIC_CAPABILITIES,
.media_type = AQ_HW_MEDIA_TYPE_FIBRE,
.link_speed_msk = AQ_NIC_RATE_10G |
AQ_NIC_RATE_5G |
AQ_NIC_RATE_2G5 |
AQ_NIC_RATE_1G |
AQ_NIC_RATE_100M,
};
const struct aq_hw_caps_s hw_atl_b0_caps_aqc107 = {
DEFAULT_B0_BOARD_BASIC_CAPABILITIES,
.media_type = AQ_HW_MEDIA_TYPE_TP,
.link_speed_msk = AQ_NIC_RATE_10G |
AQ_NIC_RATE_5G |
AQ_NIC_RATE_2G5 |
AQ_NIC_RATE_1G |
AQ_NIC_RATE_100M,
};
const struct aq_hw_caps_s hw_atl_b0_caps_aqc108 = {
DEFAULT_B0_BOARD_BASIC_CAPABILITIES,
.media_type = AQ_HW_MEDIA_TYPE_TP,
.link_speed_msk = AQ_NIC_RATE_5G |
AQ_NIC_RATE_2G5 |
AQ_NIC_RATE_1G |
AQ_NIC_RATE_100M,
};
const struct aq_hw_caps_s hw_atl_b0_caps_aqc109 = {
DEFAULT_B0_BOARD_BASIC_CAPABILITIES,
.media_type = AQ_HW_MEDIA_TYPE_TP,
.link_speed_msk = AQ_NIC_RATE_2G5 |
AQ_NIC_RATE_1G |
AQ_NIC_RATE_100M,
};
const struct aq_hw_caps_s hw_atl_b0_caps_aqc111 = {
DEFAULT_B0_BOARD_BASIC_CAPABILITIES,
.media_type = AQ_HW_MEDIA_TYPE_TP,
.link_speed_msk = AQ_NIC_RATE_5G |
AQ_NIC_RATE_2G5 |
AQ_NIC_RATE_1G |
AQ_NIC_RATE_100M,
.quirks = AQ_NIC_QUIRK_BAD_PTP,
};
const struct aq_hw_caps_s hw_atl_b0_caps_aqc112 = {
DEFAULT_B0_BOARD_BASIC_CAPABILITIES,
.media_type = AQ_HW_MEDIA_TYPE_TP,
.link_speed_msk = AQ_NIC_RATE_2G5 |
AQ_NIC_RATE_1G |
AQ_NIC_RATE_100M,
.quirks = AQ_NIC_QUIRK_BAD_PTP,
};
static int hw_atl_b0_hw_reset(struct aq_hw_s *self)
{
int err = 0;
err = hw_atl_utils_soft_reset(self);
if (err)
return err;
self->aq_fw_ops->set_state(self, MPI_RESET);
err = aq_hw_err_from_flags(self);
return err;
}
int hw_atl_b0_set_fc(struct aq_hw_s *self, u32 fc, u32 tc)
{
hw_atl_rpb_rx_xoff_en_per_tc_set(self, !!(fc & AQ_NIC_FC_RX), tc);
return 0;
}
static int hw_atl_b0_tc_ptp_set(struct aq_hw_s *self)
{
/* Init TC2 for PTP_TX */
hw_atl_tpb_tx_pkt_buff_size_per_tc_set(self, HW_ATL_B0_PTP_TXBUF_SIZE,
AQ_HW_PTP_TC);
/* Init TC2 for PTP_RX */
hw_atl_rpb_rx_pkt_buff_size_per_tc_set(self, HW_ATL_B0_PTP_RXBUF_SIZE,
AQ_HW_PTP_TC);
/* No flow control for PTP */
hw_atl_rpb_rx_xoff_en_per_tc_set(self, 0U, AQ_HW_PTP_TC);
return aq_hw_err_from_flags(self);
}
static int hw_atl_b0_hw_qos_set(struct aq_hw_s *self)
{
struct aq_nic_cfg_s *cfg = self->aq_nic_cfg;
u32 tx_buff_size = HW_ATL_B0_TXBUF_MAX;
u32 rx_buff_size = HW_ATL_B0_RXBUF_MAX;
unsigned int prio = 0U;
u32 tc = 0U;
if (cfg->is_ptp) {
tx_buff_size -= HW_ATL_B0_PTP_TXBUF_SIZE;
rx_buff_size -= HW_ATL_B0_PTP_RXBUF_SIZE;
}
/* TPS Descriptor rate init */
hw_atl_tps_tx_pkt_shed_desc_rate_curr_time_res_set(self, 0x0U);
hw_atl_tps_tx_pkt_shed_desc_rate_lim_set(self, 0xA);
/* TPS VM init */
hw_atl_tps_tx_pkt_shed_desc_vm_arb_mode_set(self, 0U);
tx_buff_size /= cfg->tcs;
rx_buff_size /= cfg->tcs;
for (tc = 0; tc < cfg->tcs; tc++) {
u32 threshold = 0U;
/* Tx buf size TC0 */
hw_atl_tpb_tx_pkt_buff_size_per_tc_set(self, tx_buff_size, tc);
threshold = (tx_buff_size * (1024 / 32U) * 66U) / 100U;
hw_atl_tpb_tx_buff_hi_threshold_per_tc_set(self, threshold, tc);
threshold = (tx_buff_size * (1024 / 32U) * 50U) / 100U;
hw_atl_tpb_tx_buff_lo_threshold_per_tc_set(self, threshold, tc);
/* QoS Rx buf size per TC */
hw_atl_rpb_rx_pkt_buff_size_per_tc_set(self, rx_buff_size, tc);
threshold = (rx_buff_size * (1024U / 32U) * 66U) / 100U;
hw_atl_rpb_rx_buff_hi_threshold_per_tc_set(self, threshold, tc);
threshold = (rx_buff_size * (1024U / 32U) * 50U) / 100U;
hw_atl_rpb_rx_buff_lo_threshold_per_tc_set(self, threshold, tc);
hw_atl_b0_set_fc(self, self->aq_nic_cfg->fc.req, tc);
}
if (cfg->is_ptp)
hw_atl_b0_tc_ptp_set(self);
/* QoS 802.1p priority -> TC mapping */
for (prio = 0; prio < 8; ++prio)
hw_atl_rpf_rpb_user_priority_tc_map_set(self, prio,
cfg->prio_tc_map[prio]);
return aq_hw_err_from_flags(self);
}
int hw_atl_b0_hw_rss_hash_set(struct aq_hw_s *self,
struct aq_rss_parameters *rss_params)
{
struct aq_nic_cfg_s *cfg = self->aq_nic_cfg;
unsigned int addr = 0U;
unsigned int i = 0U;
int err = 0;
u32 val;
for (i = 10, addr = 0U; i--; ++addr) {
u32 key_data = cfg->is_rss ?
__swab32(rss_params->hash_secret_key[i]) : 0U;
hw_atl_rpf_rss_key_wr_data_set(self, key_data);
hw_atl_rpf_rss_key_addr_set(self, addr);
hw_atl_rpf_rss_key_wr_en_set(self, 1U);
err = readx_poll_timeout_atomic(hw_atl_rpf_rss_key_wr_en_get,
self, val, val == 0,
1000U, 10000U);
if (err < 0)
goto err_exit;
}
err = aq_hw_err_from_flags(self);
err_exit:
return err;
}
static int hw_atl_b0_hw_rss_set(struct aq_hw_s *self,
struct aq_rss_parameters *rss_params)
{
u32 num_rss_queues = max(1U, self->aq_nic_cfg->num_rss_queues);
u8 *indirection_table = rss_params->indirection_table;
u16 bitary[1 + (HW_ATL_B0_RSS_REDIRECTION_MAX *
HW_ATL_B0_RSS_REDIRECTION_BITS / 16U)];
int err = 0;
u32 i = 0U;
u32 val;
memset(bitary, 0, sizeof(bitary));
for (i = HW_ATL_B0_RSS_REDIRECTION_MAX; i--;) {
(*(u32 *)(bitary + ((i * 3U) / 16U))) |=
((indirection_table[i] % num_rss_queues) <<
((i * 3U) & 0xFU));
}
for (i = ARRAY_SIZE(bitary); i--;) {
hw_atl_rpf_rss_redir_tbl_wr_data_set(self, bitary[i]);
hw_atl_rpf_rss_redir_tbl_addr_set(self, i);
hw_atl_rpf_rss_redir_wr_en_set(self, 1U);
err = readx_poll_timeout_atomic(hw_atl_rpf_rss_redir_wr_en_get,
self, val, val == 0,
1000U, 10000U);
if (err < 0)
goto err_exit;
}
err = aq_hw_err_from_flags(self);
err_exit:
return err;
}
int hw_atl_b0_hw_offload_set(struct aq_hw_s *self,
struct aq_nic_cfg_s *aq_nic_cfg)
{
u64 rxcsum = !!(aq_nic_cfg->features & NETIF_F_RXCSUM);
unsigned int i;
/* TX checksums offloads*/
hw_atl_tpo_ipv4header_crc_offload_en_set(self, 1);
hw_atl_tpo_tcp_udp_crc_offload_en_set(self, 1);
/* RX checksums offloads*/
hw_atl_rpo_ipv4header_crc_offload_en_set(self, rxcsum);
hw_atl_rpo_tcp_udp_crc_offload_en_set(self, rxcsum);
/* LSO offloads*/
hw_atl_tdm_large_send_offload_en_set(self, 0xFFFFFFFFU);
/* Outer VLAN tag offload */
hw_atl_rpo_outer_vlan_tag_mode_set(self, 1U);
/* LRO offloads */
{
unsigned int val = (8U < HW_ATL_B0_LRO_RXD_MAX) ? 0x3U :
((4U < HW_ATL_B0_LRO_RXD_MAX) ? 0x2U :
((2U < HW_ATL_B0_LRO_RXD_MAX) ? 0x1U : 0x0));
for (i = 0; i < HW_ATL_B0_RINGS_MAX; i++)
hw_atl_rpo_lro_max_num_of_descriptors_set(self, val, i);
hw_atl_rpo_lro_time_base_divider_set(self, 0x61AU);
hw_atl_rpo_lro_inactive_interval_set(self, 0);
/* the LRO timebase divider is 5 uS (0x61a),
* which is multiplied by 50(0x32)
* to get a maximum coalescing interval of 250 uS,
* which is the default value
*/
hw_atl_rpo_lro_max_coalescing_interval_set(self, 50);
hw_atl_rpo_lro_qsessions_lim_set(self, 1U);
hw_atl_rpo_lro_total_desc_lim_set(self, 2U);
hw_atl_rpo_lro_patch_optimization_en_set(self, 1U);
hw_atl_rpo_lro_min_pay_of_first_pkt_set(self, 10U);
hw_atl_rpo_lro_pkt_lim_set(self, 1U);
hw_atl_rpo_lro_en_set(self,
aq_nic_cfg->is_lro ? 0xFFFFFFFFU : 0U);
hw_atl_itr_rsc_en_set(self,
aq_nic_cfg->is_lro ? 0xFFFFFFFFU : 0U);
hw_atl_itr_rsc_delay_set(self, 1U);
}
return aq_hw_err_from_flags(self);
}
static int hw_atl_b0_hw_init_tx_tc_rate_limit(struct aq_hw_s *self)
{
static const u32 max_weight = BIT(HW_ATL_TPS_DATA_TCTWEIGHT_WIDTH) - 1;
/* Scale factor is based on the number of bits in fractional portion */
static const u32 scale = BIT(HW_ATL_TPS_DESC_RATE_Y_WIDTH);
static const u32 frac_msk = HW_ATL_TPS_DESC_RATE_Y_MSK >>
HW_ATL_TPS_DESC_RATE_Y_SHIFT;
const u32 link_speed = self->aq_link_status.mbps;
struct aq_nic_cfg_s *nic_cfg = self->aq_nic_cfg;
unsigned long num_min_rated_tcs = 0;
u32 tc_weight[AQ_CFG_TCS_MAX];
u32 fixed_max_credit;
u8 min_rate_msk = 0;
u32 sum_weight = 0;
int tc;
/* By default max_credit is based upon MTU (in unit of 64b) */
fixed_max_credit = nic_cfg->aq_hw_caps->mtu / 64;
if (link_speed) {
min_rate_msk = nic_cfg->tc_min_rate_msk &
(BIT(nic_cfg->tcs) - 1);
num_min_rated_tcs = hweight8(min_rate_msk);
}
/* First, calculate weights where min_rate is specified */
if (num_min_rated_tcs) {
for (tc = 0; tc != nic_cfg->tcs; tc++) {
if (!nic_cfg->tc_min_rate[tc]) {
tc_weight[tc] = 0;
continue;
}
tc_weight[tc] = (-1L + link_speed +
nic_cfg->tc_min_rate[tc] *
max_weight) /
link_speed;
tc_weight[tc] = min(tc_weight[tc], max_weight);
sum_weight += tc_weight[tc];
}
}
/* WSP, if min_rate is set for at least one TC.
* RR otherwise.
*
* NB! MAC FW sets arb mode itself if PTP is enabled. We shouldn't
* overwrite it here in that case.
*/
if (!nic_cfg->is_ptp)
hw_atl_tps_tx_pkt_shed_data_arb_mode_set(self, min_rate_msk ? 1U : 0U);
/* Data TC Arbiter takes precedence over Descriptor TC Arbiter,
* leave Descriptor TC Arbiter as RR.
*/
hw_atl_tps_tx_pkt_shed_desc_tc_arb_mode_set(self, 0U);
hw_atl_tps_tx_desc_rate_mode_set(self, nic_cfg->is_qos ? 1U : 0U);
for (tc = 0; tc != nic_cfg->tcs; tc++) {
const u32 en = (nic_cfg->tc_max_rate[tc] != 0) ? 1U : 0U;
const u32 desc = AQ_NIC_CFG_TCVEC2RING(nic_cfg, tc, 0);
u32 weight, max_credit;
hw_atl_tps_tx_pkt_shed_desc_tc_max_credit_set(self, tc,
fixed_max_credit);
hw_atl_tps_tx_pkt_shed_desc_tc_weight_set(self, tc, 0x1E);
if (num_min_rated_tcs) {
weight = tc_weight[tc];
if (!weight && sum_weight < max_weight)
weight = (max_weight - sum_weight) /
(nic_cfg->tcs - num_min_rated_tcs);
else if (!weight)
weight = 0x64;
max_credit = max(8 * weight, fixed_max_credit);
} else {
weight = 0x64;
max_credit = 0xFFF;
}
hw_atl_tps_tx_pkt_shed_tc_data_weight_set(self, tc, weight);
hw_atl_tps_tx_pkt_shed_tc_data_max_credit_set(self, tc,
max_credit);
hw_atl_tps_tx_desc_rate_en_set(self, desc, en);
if (en) {
/* Nominal rate is always 10G */
const u32 rate = 10000U * scale /
nic_cfg->tc_max_rate[tc];
const u32 rate_int = rate >>
HW_ATL_TPS_DESC_RATE_Y_WIDTH;
const u32 rate_frac = rate & frac_msk;
hw_atl_tps_tx_desc_rate_x_set(self, desc, rate_int);
hw_atl_tps_tx_desc_rate_y_set(self, desc, rate_frac);
} else {
/* A value of 1 indicates the queue is not
* rate controlled.
*/
hw_atl_tps_tx_desc_rate_x_set(self, desc, 1U);
hw_atl_tps_tx_desc_rate_y_set(self, desc, 0U);
}
}
for (tc = nic_cfg->tcs; tc != AQ_CFG_TCS_MAX; tc++) {
const u32 desc = AQ_NIC_CFG_TCVEC2RING(nic_cfg, tc, 0);
hw_atl_tps_tx_desc_rate_en_set(self, desc, 0U);
hw_atl_tps_tx_desc_rate_x_set(self, desc, 1U);
hw_atl_tps_tx_desc_rate_y_set(self, desc, 0U);
}
return aq_hw_err_from_flags(self);
}
static int hw_atl_b0_hw_init_tx_path(struct aq_hw_s *self)
{
struct aq_nic_cfg_s *nic_cfg = self->aq_nic_cfg;
/* Tx TC/Queue number config */
hw_atl_tpb_tps_tx_tc_mode_set(self, nic_cfg->tc_mode);
hw_atl_thm_lso_tcp_flag_of_first_pkt_set(self, 0x0FF6U);
hw_atl_thm_lso_tcp_flag_of_middle_pkt_set(self, 0x0FF6U);
hw_atl_thm_lso_tcp_flag_of_last_pkt_set(self, 0x0F7FU);
/* Tx interrupts */
hw_atl_tdm_tx_desc_wr_wb_irq_en_set(self, 1U);
/* misc */
aq_hw_write_reg(self, 0x00007040U, ATL_HW_IS_CHIP_FEATURE(self, TPO2) ?
0x00010000U : 0x00000000U);
hw_atl_tdm_tx_dca_en_set(self, 0U);
hw_atl_tdm_tx_dca_mode_set(self, 0U);
hw_atl_tpb_tx_path_scp_ins_en_set(self, 1U);
return aq_hw_err_from_flags(self);
}
void hw_atl_b0_hw_init_rx_rss_ctrl1(struct aq_hw_s *self)
{
struct aq_nic_cfg_s *cfg = self->aq_nic_cfg;
u32 rss_ctrl1 = HW_ATL_RSS_DISABLED;
if (cfg->is_rss)
rss_ctrl1 = (cfg->tc_mode == AQ_TC_MODE_8TCS) ?
HW_ATL_RSS_ENABLED_8TCS_2INDEX_BITS :
HW_ATL_RSS_ENABLED_4TCS_3INDEX_BITS;
hw_atl_reg_rx_flr_rss_control1set(self, rss_ctrl1);
}
static int hw_atl_b0_hw_init_rx_path(struct aq_hw_s *self)
{
struct aq_nic_cfg_s *cfg = self->aq_nic_cfg;
int i;
/* Rx TC/RSS number config */
hw_atl_rpb_rpf_rx_traf_class_mode_set(self, cfg->tc_mode);
/* Rx flow control */
hw_atl_rpb_rx_flow_ctl_mode_set(self, 1U);
/* RSS Ring selection */
hw_atl_b0_hw_init_rx_rss_ctrl1(self);
/* Multicast filters */
for (i = HW_ATL_B0_MAC_MAX; i--;) {
hw_atl_rpfl2_uc_flr_en_set(self, (i == 0U) ? 1U : 0U, i);
hw_atl_rpfl2unicast_flr_act_set(self, 1U, i);
}
hw_atl_reg_rx_flr_mcst_flr_msk_set(self, 0x00000000U);
hw_atl_reg_rx_flr_mcst_flr_set(self, 0x00010FFFU, 0U);
/* Vlan filters */
hw_atl_rpf_vlan_outer_etht_set(self, 0x88A8U);
hw_atl_rpf_vlan_inner_etht_set(self, 0x8100U);
hw_atl_rpf_vlan_prom_mode_en_set(self, 1);
// Always accept untagged packets
hw_atl_rpf_vlan_accept_untagged_packets_set(self, 1U);
hw_atl_rpf_vlan_untagged_act_set(self, 1U);
/* Rx Interrupts */
hw_atl_rdm_rx_desc_wr_wb_irq_en_set(self, 1U);
/* misc */
aq_hw_write_reg(self, 0x00005040U, ATL_HW_IS_CHIP_FEATURE(self, RPF2) ?
0x000F0000U : 0x00000000U);
hw_atl_rpfl2broadcast_flr_act_set(self, 1U);
hw_atl_rpfl2broadcast_count_threshold_set(self, 0xFFFFU & (~0U / 256U));
hw_atl_rdm_rx_dca_en_set(self, 0U);
hw_atl_rdm_rx_dca_mode_set(self, 0U);
return aq_hw_err_from_flags(self);
}
int hw_atl_b0_hw_mac_addr_set(struct aq_hw_s *self, const u8 *mac_addr)
{
unsigned int h = 0U;
unsigned int l = 0U;
int err = 0;
if (!mac_addr) {
err = -EINVAL;
goto err_exit;
}
h = (mac_addr[0] << 8) | (mac_addr[1]);
l = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
(mac_addr[4] << 8) | mac_addr[5];
hw_atl_rpfl2_uc_flr_en_set(self, 0U, HW_ATL_B0_MAC);
hw_atl_rpfl2unicast_dest_addresslsw_set(self, l, HW_ATL_B0_MAC);
hw_atl_rpfl2unicast_dest_addressmsw_set(self, h, HW_ATL_B0_MAC);
hw_atl_rpfl2_uc_flr_en_set(self, 1U, HW_ATL_B0_MAC);
err = aq_hw_err_from_flags(self);
err_exit:
return err;
}
static int hw_atl_b0_hw_init(struct aq_hw_s *self, const u8 *mac_addr)
{
static u32 aq_hw_atl_igcr_table_[4][2] = {
[AQ_HW_IRQ_INVALID] = { 0x20000000U, 0x20000000U },
[AQ_HW_IRQ_INTX] = { 0x20000080U, 0x20000080U },
[AQ_HW_IRQ_MSI] = { 0x20000021U, 0x20000025U },
[AQ_HW_IRQ_MSIX] = { 0x20000022U, 0x20000026U },
};
struct aq_nic_cfg_s *aq_nic_cfg = self->aq_nic_cfg;
int err = 0;
u32 val;
hw_atl_b0_hw_init_tx_path(self);
hw_atl_b0_hw_init_rx_path(self);
hw_atl_b0_hw_mac_addr_set(self, mac_addr);
self->aq_fw_ops->set_link_speed(self, aq_nic_cfg->link_speed_msk);
self->aq_fw_ops->set_state(self, MPI_INIT);
hw_atl_b0_hw_qos_set(self);
hw_atl_b0_hw_rss_set(self, &aq_nic_cfg->aq_rss);
hw_atl_b0_hw_rss_hash_set(self, &aq_nic_cfg->aq_rss);
/* Force limit MRRS on RDM/TDM to 2K */
val = aq_hw_read_reg(self, HW_ATL_PCI_REG_CONTROL6_ADR);
aq_hw_write_reg(self, HW_ATL_PCI_REG_CONTROL6_ADR,
(val & ~0x707) | 0x404);
/* TX DMA total request limit. B0 hardware is not capable to
* handle more than (8K-MRRS) incoming DMA data.
* Value 24 in 256byte units
*/
aq_hw_write_reg(self, HW_ATL_TX_DMA_TOTAL_REQ_LIMIT_ADR, 24);
/* Reset link status and read out initial hardware counters */
self->aq_link_status.mbps = 0;
self->aq_fw_ops->update_stats(self);
err = aq_hw_err_from_flags(self);
if (err < 0)
goto err_exit;
/* Interrupts */
hw_atl_reg_irq_glb_ctl_set(self,
aq_hw_atl_igcr_table_[aq_nic_cfg->irq_type]
[(aq_nic_cfg->vecs > 1U) ?
1 : 0]);
hw_atl_itr_irq_auto_masklsw_set(self, aq_nic_cfg->aq_hw_caps->irq_mask);
/* Interrupts */
hw_atl_reg_gen_irq_map_set(self,
((HW_ATL_B0_ERR_INT << 0x18) |
(1U << 0x1F)) |
((HW_ATL_B0_ERR_INT << 0x10) |
(1U << 0x17)), 0U);
/* Enable link interrupt */
if (aq_nic_cfg->link_irq_vec)
hw_atl_reg_gen_irq_map_set(self, BIT(7) |
aq_nic_cfg->link_irq_vec, 3U);
hw_atl_b0_hw_offload_set(self, aq_nic_cfg);
err_exit:
return err;
}
int hw_atl_b0_hw_ring_tx_start(struct aq_hw_s *self, struct aq_ring_s *ring)
{
hw_atl_tdm_tx_desc_en_set(self, 1, ring->idx);
return aq_hw_err_from_flags(self);
}
int hw_atl_b0_hw_ring_rx_start(struct aq_hw_s *self, struct aq_ring_s *ring)
{
hw_atl_rdm_rx_desc_en_set(self, 1, ring->idx);
return aq_hw_err_from_flags(self);
}
int hw_atl_b0_hw_start(struct aq_hw_s *self)
{
hw_atl_tpb_tx_buff_en_set(self, 1);
hw_atl_rpb_rx_buff_en_set(self, 1);
return aq_hw_err_from_flags(self);
}
static int hw_atl_b0_hw_tx_ring_tail_update(struct aq_hw_s *self,
struct aq_ring_s *ring)
{
hw_atl_reg_tx_dma_desc_tail_ptr_set(self, ring->sw_tail, ring->idx);
return 0;
}
int hw_atl_b0_hw_ring_tx_xmit(struct aq_hw_s *self, struct aq_ring_s *ring,
unsigned int frags)
{
struct aq_ring_buff_s *buff = NULL;
struct hw_atl_txd_s *txd = NULL;
unsigned int buff_pa_len = 0U;
unsigned int frag_count = 0U;
unsigned int pkt_len = 0U;
bool is_vlan = false;
bool is_gso = false;
buff = &ring->buff_ring[ring->sw_tail];
pkt_len = (buff->is_eop && buff->is_sop) ? buff->len : buff->len_pkt;
for (frag_count = 0; frag_count < frags; frag_count++) {
txd = (struct hw_atl_txd_s *)&ring->dx_ring[ring->sw_tail *
HW_ATL_B0_TXD_SIZE];
txd->ctl = 0;
txd->ctl2 = 0;
txd->buf_addr = 0;
buff = &ring->buff_ring[ring->sw_tail];
if (buff->is_gso_tcp || buff->is_gso_udp) {
if (buff->is_gso_tcp)
txd->ctl |= HW_ATL_B0_TXD_CTL_CMD_TCP;
txd->ctl |= HW_ATL_B0_TXD_CTL_DESC_TYPE_TXC;
txd->ctl |= (buff->len_l3 << 31) |
(buff->len_l2 << 24);
txd->ctl2 |= (buff->mss << 16);
is_gso = true;
pkt_len -= (buff->len_l4 +
buff->len_l3 +
buff->len_l2);
if (buff->is_ipv6)
txd->ctl |= HW_ATL_B0_TXD_CTL_CMD_IPV6;
txd->ctl2 |= (buff->len_l4 << 8) |
(buff->len_l3 >> 1);
}
if (buff->is_vlan) {
txd->ctl |= HW_ATL_B0_TXD_CTL_DESC_TYPE_TXC;
txd->ctl |= buff->vlan_tx_tag << 4;
is_vlan = true;
}
if (!buff->is_gso_tcp && !buff->is_gso_udp && !buff->is_vlan) {
buff_pa_len = buff->len;
txd->buf_addr = buff->pa;
txd->ctl |= (HW_ATL_B0_TXD_CTL_BLEN &
((u32)buff_pa_len << 4));
txd->ctl |= HW_ATL_B0_TXD_CTL_DESC_TYPE_TXD;
/* PAY_LEN */
txd->ctl2 |= HW_ATL_B0_TXD_CTL2_LEN & (pkt_len << 14);
if (is_gso || is_vlan) {
/* enable tx context */
txd->ctl2 |= HW_ATL_B0_TXD_CTL2_CTX_EN;
}
if (is_gso)
txd->ctl |= HW_ATL_B0_TXD_CTL_CMD_LSO;
/* Tx checksum offloads */
if (buff->is_ip_cso)
txd->ctl |= HW_ATL_B0_TXD_CTL_CMD_IPCSO;
if (buff->is_udp_cso || buff->is_tcp_cso)
txd->ctl |= HW_ATL_B0_TXD_CTL_CMD_TUCSO;
if (is_vlan)
txd->ctl |= HW_ATL_B0_TXD_CTL_CMD_VLAN;
if (unlikely(buff->is_eop)) {
txd->ctl |= HW_ATL_B0_TXD_CTL_EOP;
txd->ctl |= HW_ATL_B0_TXD_CTL_CMD_WB;
is_gso = false;
is_vlan = false;
}
}
ring->sw_tail = aq_ring_next_dx(ring, ring->sw_tail);
}
hw_atl_b0_hw_tx_ring_tail_update(self, ring);
return aq_hw_err_from_flags(self);
}
int hw_atl_b0_hw_ring_rx_init(struct aq_hw_s *self, struct aq_ring_s *aq_ring,
struct aq_ring_param_s *aq_ring_param)
{
u32 dma_desc_addr_msw = (u32)(((u64)aq_ring->dx_ring_pa) >> 32);
u32 vlan_rx_stripping = self->aq_nic_cfg->is_vlan_rx_strip;
u32 dma_desc_addr_lsw = (u32)aq_ring->dx_ring_pa;
hw_atl_rdm_rx_desc_en_set(self, false, aq_ring->idx);
hw_atl_rdm_rx_desc_head_splitting_set(self, 0U, aq_ring->idx);
hw_atl_reg_rx_dma_desc_base_addresslswset(self, dma_desc_addr_lsw,
aq_ring->idx);
hw_atl_reg_rx_dma_desc_base_addressmswset(self,
dma_desc_addr_msw, aq_ring->idx);
hw_atl_rdm_rx_desc_len_set(self, aq_ring->size / 8U, aq_ring->idx);
hw_atl_rdm_rx_desc_data_buff_size_set(self,
aq_ring->frame_max / 1024U,
aq_ring->idx);
hw_atl_rdm_rx_desc_head_buff_size_set(self, 0U, aq_ring->idx);
hw_atl_rdm_rx_desc_head_splitting_set(self, 0U, aq_ring->idx);
hw_atl_rpo_rx_desc_vlan_stripping_set(self, !!vlan_rx_stripping,
aq_ring->idx);
/* Rx ring set mode */
/* Mapping interrupt vector */
hw_atl_itr_irq_map_rx_set(self, aq_ring_param->vec_idx, aq_ring->idx);
hw_atl_itr_irq_map_en_rx_set(self, true, aq_ring->idx);
hw_atl_rdm_cpu_id_set(self, aq_ring_param->cpu, aq_ring->idx);
hw_atl_rdm_rx_desc_dca_en_set(self, 0U, aq_ring->idx);
hw_atl_rdm_rx_head_dca_en_set(self, 0U, aq_ring->idx);
hw_atl_rdm_rx_pld_dca_en_set(self, 0U, aq_ring->idx);
return aq_hw_err_from_flags(self);
}
int hw_atl_b0_hw_ring_tx_init(struct aq_hw_s *self, struct aq_ring_s *aq_ring,
struct aq_ring_param_s *aq_ring_param)
{
u32 dma_desc_msw_addr = (u32)(((u64)aq_ring->dx_ring_pa) >> 32);
u32 dma_desc_lsw_addr = (u32)aq_ring->dx_ring_pa;
hw_atl_reg_tx_dma_desc_base_addresslswset(self, dma_desc_lsw_addr,
aq_ring->idx);
hw_atl_reg_tx_dma_desc_base_addressmswset(self, dma_desc_msw_addr,
aq_ring->idx);
hw_atl_tdm_tx_desc_len_set(self, aq_ring->size / 8U, aq_ring->idx);
hw_atl_b0_hw_tx_ring_tail_update(self, aq_ring);
/* Set Tx threshold */
hw_atl_tdm_tx_desc_wr_wb_threshold_set(self, 0U, aq_ring->idx);
/* Mapping interrupt vector */
hw_atl_itr_irq_map_tx_set(self, aq_ring_param->vec_idx, aq_ring->idx);
hw_atl_itr_irq_map_en_tx_set(self, true, aq_ring->idx);
hw_atl_tdm_cpu_id_set(self, aq_ring_param->cpu, aq_ring->idx);
hw_atl_tdm_tx_desc_dca_en_set(self, 0U, aq_ring->idx);
return aq_hw_err_from_flags(self);
}
int hw_atl_b0_hw_ring_rx_fill(struct aq_hw_s *self, struct aq_ring_s *ring,
unsigned int sw_tail_old)
{
for (; sw_tail_old != ring->sw_tail;
sw_tail_old = aq_ring_next_dx(ring, sw_tail_old)) {
struct hw_atl_rxd_s *rxd =
(struct hw_atl_rxd_s *)&ring->dx_ring[sw_tail_old *
HW_ATL_B0_RXD_SIZE];
struct aq_ring_buff_s *buff = &ring->buff_ring[sw_tail_old];
rxd->buf_addr = buff->pa;
rxd->hdr_addr = 0U;
}
hw_atl_reg_rx_dma_desc_tail_ptr_set(self, sw_tail_old, ring->idx);
return aq_hw_err_from_flags(self);
}
static int hw_atl_b0_hw_ring_hwts_rx_fill(struct aq_hw_s *self,
struct aq_ring_s *ring)
{
unsigned int i;
for (i = aq_ring_avail_dx(ring); i--;
ring->sw_tail = aq_ring_next_dx(ring, ring->sw_tail)) {
struct hw_atl_rxd_s *rxd =
(struct hw_atl_rxd_s *)
&ring->dx_ring[ring->sw_tail * HW_ATL_B0_RXD_SIZE];
rxd->buf_addr = ring->dx_ring_pa + ring->size * ring->dx_size;
rxd->hdr_addr = 0U;
}
/* Make sure descriptors are updated before bump tail*/
wmb();
hw_atl_reg_rx_dma_desc_tail_ptr_set(self, ring->sw_tail, ring->idx);
return aq_hw_err_from_flags(self);
}
static int hw_atl_b0_hw_ring_hwts_rx_receive(struct aq_hw_s *self,
struct aq_ring_s *ring)
{
while (ring->hw_head != ring->sw_tail) {
struct hw_atl_rxd_hwts_wb_s *hwts_wb =
(struct hw_atl_rxd_hwts_wb_s *)
(ring->dx_ring + (ring->hw_head * HW_ATL_B0_RXD_SIZE));
/* RxD is not done */
if (!(hwts_wb->sec_lw0 & 0x1U))
break;
ring->hw_head = aq_ring_next_dx(ring, ring->hw_head);
}
return aq_hw_err_from_flags(self);
}
int hw_atl_b0_hw_ring_tx_head_update(struct aq_hw_s *self,
struct aq_ring_s *ring)
{
unsigned int hw_head_;
int err = 0;
hw_head_ = hw_atl_tdm_tx_desc_head_ptr_get(self, ring->idx);
if (aq_utils_obj_test(&self->flags, AQ_HW_FLAG_ERR_UNPLUG)) {
err = -ENXIO;
goto err_exit;
}
/* Validate that the new hw_head_ is reasonable. */
if (hw_head_ >= ring->size) {
err = -ENXIO;
goto err_exit;
}
ring->hw_head = hw_head_;
err = aq_hw_err_from_flags(self);
err_exit:
return err;
}
int hw_atl_b0_hw_ring_rx_receive(struct aq_hw_s *self, struct aq_ring_s *ring)
{
for (; ring->hw_head != ring->sw_tail;
ring->hw_head = aq_ring_next_dx(ring, ring->hw_head)) {
struct aq_ring_buff_s *buff = NULL;
struct hw_atl_rxd_wb_s *rxd_wb = (struct hw_atl_rxd_wb_s *)
&ring->dx_ring[ring->hw_head * HW_ATL_B0_RXD_SIZE];
unsigned int is_rx_check_sum_enabled = 0U;
unsigned int pkt_type = 0U;
u8 rx_stat = 0U;
if (!(rxd_wb->status & 0x1U)) { /* RxD is not done */
break;
}
buff = &ring->buff_ring[ring->hw_head];
buff->flags = 0U;
buff->is_hash_l4 = 0U;
rx_stat = (0x0000003CU & rxd_wb->status) >> 2;
is_rx_check_sum_enabled = (rxd_wb->type >> 19) & 0x3U;
pkt_type = (rxd_wb->type & HW_ATL_B0_RXD_WB_STAT_PKTTYPE) >>
HW_ATL_B0_RXD_WB_STAT_PKTTYPE_SHIFT;
if (is_rx_check_sum_enabled & BIT(0) &&
(0x0U == (pkt_type & 0x3U)))
buff->is_ip_cso = (rx_stat & BIT(1)) ? 0U : 1U;
if (is_rx_check_sum_enabled & BIT(1)) {
if (0x4U == (pkt_type & 0x1CU))
buff->is_udp_cso = (rx_stat & BIT(2)) ? 0U :
!!(rx_stat & BIT(3));
else if (0x0U == (pkt_type & 0x1CU))
buff->is_tcp_cso = (rx_stat & BIT(2)) ? 0U :
!!(rx_stat & BIT(3));
}
buff->is_cso_err = !!(rx_stat & 0x6);
/* Checksum offload workaround for small packets */
if (unlikely(rxd_wb->pkt_len <= 60)) {
buff->is_ip_cso = 0U;
buff->is_cso_err = 0U;
}
if (self->aq_nic_cfg->is_vlan_rx_strip &&
((pkt_type & HW_ATL_B0_RXD_WB_PKTTYPE_VLAN) ||
(pkt_type & HW_ATL_B0_RXD_WB_PKTTYPE_VLAN_DOUBLE))) {
buff->is_vlan = 1;
buff->vlan_rx_tag = le16_to_cpu(rxd_wb->vlan);
}
if ((rx_stat & BIT(0)) || rxd_wb->type & 0x1000U) {
/* MAC error or DMA error */
buff->is_error = 1U;
}
if (self->aq_nic_cfg->is_rss) {
/* last 4 byte */
u16 rss_type = rxd_wb->type & 0xFU;
if (rss_type && rss_type < 0x8U) {
buff->is_hash_l4 = (rss_type == 0x4 ||
rss_type == 0x5);
buff->rss_hash = rxd_wb->rss_hash;
}
}
buff->is_lro = !!(HW_ATL_B0_RXD_WB_STAT2_RSCCNT &
rxd_wb->status);
if (HW_ATL_B0_RXD_WB_STAT2_EOP & rxd_wb->status) {
buff->len = rxd_wb->pkt_len %
ring->frame_max;
buff->len = buff->len ?
buff->len : ring->frame_max;
buff->next = 0U;
buff->is_eop = 1U;
} else {
buff->len =
rxd_wb->pkt_len > ring->frame_max ?
ring->frame_max : rxd_wb->pkt_len;
if (buff->is_lro) {
/* LRO */
buff->next = rxd_wb->next_desc_ptr;
++ring->stats.rx.lro_packets;
} else {
/* jumbo */
buff->next =
aq_ring_next_dx(ring,
ring->hw_head);
++ring->stats.rx.jumbo_packets;
}
}
}
return aq_hw_err_from_flags(self);
}
int hw_atl_b0_hw_irq_enable(struct aq_hw_s *self, u64 mask)
{
hw_atl_itr_irq_msk_setlsw_set(self, LODWORD(mask));
return aq_hw_err_from_flags(self);
}
int hw_atl_b0_hw_irq_disable(struct aq_hw_s *self, u64 mask)
{
hw_atl_itr_irq_msk_clearlsw_set(self, LODWORD(mask));
hw_atl_itr_irq_status_clearlsw_set(self, LODWORD(mask));
atomic_inc(&self->dpc);
return aq_hw_err_from_flags(self);
}
int hw_atl_b0_hw_irq_read(struct aq_hw_s *self, u64 *mask)
{
*mask = hw_atl_itr_irq_statuslsw_get(self);
return aq_hw_err_from_flags(self);
}
#define IS_FILTER_ENABLED(_F_) ((packet_filter & (_F_)) ? 1U : 0U)
int hw_atl_b0_hw_packet_filter_set(struct aq_hw_s *self,
unsigned int packet_filter)
{
struct aq_nic_cfg_s *cfg = self->aq_nic_cfg;
unsigned int i = 0U;
u32 vlan_promisc;
u32 l2_promisc;
l2_promisc = IS_FILTER_ENABLED(IFF_PROMISC) ||
!!(cfg->priv_flags & BIT(AQ_HW_LOOPBACK_DMA_NET));
vlan_promisc = l2_promisc || cfg->is_vlan_force_promisc;
hw_atl_rpfl2promiscuous_mode_en_set(self, l2_promisc);
hw_atl_rpf_vlan_prom_mode_en_set(self, vlan_promisc);
hw_atl_rpfl2multicast_flr_en_set(self,
IS_FILTER_ENABLED(IFF_ALLMULTI) &&
IS_FILTER_ENABLED(IFF_MULTICAST), 0);
hw_atl_rpfl2_accept_all_mc_packets_set(self,
IS_FILTER_ENABLED(IFF_ALLMULTI) &&
IS_FILTER_ENABLED(IFF_MULTICAST));
hw_atl_rpfl2broadcast_en_set(self, IS_FILTER_ENABLED(IFF_BROADCAST));
for (i = HW_ATL_B0_MAC_MIN; i < HW_ATL_B0_MAC_MAX; ++i)
hw_atl_rpfl2_uc_flr_en_set(self,
(cfg->is_mc_list_enabled &&
(i <= cfg->mc_list_count)) ?
1U : 0U, i);
return aq_hw_err_from_flags(self);
}
#undef IS_FILTER_ENABLED
static int hw_atl_b0_hw_multicast_list_set(struct aq_hw_s *self,
u8 ar_mac
[AQ_HW_MULTICAST_ADDRESS_MAX]
[ETH_ALEN],
u32 count)
{
int err = 0;
struct aq_nic_cfg_s *cfg = self->aq_nic_cfg;
if (count > (HW_ATL_B0_MAC_MAX - HW_ATL_B0_MAC_MIN)) {
err = -EBADRQC;
goto err_exit;
}
for (cfg->mc_list_count = 0U;
cfg->mc_list_count < count;
++cfg->mc_list_count) {
u32 i = cfg->mc_list_count;
u32 h = (ar_mac[i][0] << 8) | (ar_mac[i][1]);
u32 l = (ar_mac[i][2] << 24) | (ar_mac[i][3] << 16) |
(ar_mac[i][4] << 8) | ar_mac[i][5];
hw_atl_rpfl2_uc_flr_en_set(self, 0U, HW_ATL_B0_MAC_MIN + i);
hw_atl_rpfl2unicast_dest_addresslsw_set(self, l,
HW_ATL_B0_MAC_MIN + i);
hw_atl_rpfl2unicast_dest_addressmsw_set(self, h,
HW_ATL_B0_MAC_MIN + i);
hw_atl_rpfl2_uc_flr_en_set(self,
(cfg->is_mc_list_enabled),
HW_ATL_B0_MAC_MIN + i);
}
err = aq_hw_err_from_flags(self);
err_exit:
return err;
}
static int hw_atl_b0_hw_interrupt_moderation_set(struct aq_hw_s *self)
{
unsigned int i = 0U;
u32 itr_tx = 2U;
u32 itr_rx = 2U;
switch (self->aq_nic_cfg->itr) {
case AQ_CFG_INTERRUPT_MODERATION_ON:
case AQ_CFG_INTERRUPT_MODERATION_AUTO:
hw_atl_tdm_tx_desc_wr_wb_irq_en_set(self, 0U);
hw_atl_tdm_tdm_intr_moder_en_set(self, 1U);
hw_atl_rdm_rx_desc_wr_wb_irq_en_set(self, 0U);
hw_atl_rdm_rdm_intr_moder_en_set(self, 1U);
if (self->aq_nic_cfg->itr == AQ_CFG_INTERRUPT_MODERATION_ON) {
/* HW timers are in 2us units */
int tx_max_timer = self->aq_nic_cfg->tx_itr / 2;
int tx_min_timer = tx_max_timer / 2;
int rx_max_timer = self->aq_nic_cfg->rx_itr / 2;
int rx_min_timer = rx_max_timer / 2;
tx_max_timer = min(HW_ATL_INTR_MODER_MAX, tx_max_timer);
tx_min_timer = min(HW_ATL_INTR_MODER_MIN, tx_min_timer);
rx_max_timer = min(HW_ATL_INTR_MODER_MAX, rx_max_timer);
rx_min_timer = min(HW_ATL_INTR_MODER_MIN, rx_min_timer);
itr_tx |= tx_min_timer << 0x8U;
itr_tx |= tx_max_timer << 0x10U;
itr_rx |= rx_min_timer << 0x8U;
itr_rx |= rx_max_timer << 0x10U;
} else {
static unsigned int hw_atl_b0_timers_table_tx_[][2] = {
{0xfU, 0xffU}, /* 10Gbit */
{0xfU, 0x1ffU}, /* 5Gbit */
{0xfU, 0x1ffU}, /* 5Gbit 5GS */
{0xfU, 0x1ffU}, /* 2.5Gbit */
{0xfU, 0x1ffU}, /* 1Gbit */
{0xfU, 0x1ffU}, /* 100Mbit */
};
static unsigned int hw_atl_b0_timers_table_rx_[][2] = {
{0x6U, 0x38U},/* 10Gbit */
{0xCU, 0x70U},/* 5Gbit */
{0xCU, 0x70U},/* 5Gbit 5GS */
{0x18U, 0xE0U},/* 2.5Gbit */
{0x30U, 0x80U},/* 1Gbit */
{0x4U, 0x50U},/* 100Mbit */
};
unsigned int speed_index =
hw_atl_utils_mbps_2_speed_index(
self->aq_link_status.mbps);
/* Update user visible ITR settings */
self->aq_nic_cfg->tx_itr = hw_atl_b0_timers_table_tx_
[speed_index][1] * 2;
self->aq_nic_cfg->rx_itr = hw_atl_b0_timers_table_rx_
[speed_index][1] * 2;
itr_tx |= hw_atl_b0_timers_table_tx_
[speed_index][0] << 0x8U;
itr_tx |= hw_atl_b0_timers_table_tx_
[speed_index][1] << 0x10U;
itr_rx |= hw_atl_b0_timers_table_rx_
[speed_index][0] << 0x8U;
itr_rx |= hw_atl_b0_timers_table_rx_
[speed_index][1] << 0x10U;
}
break;
case AQ_CFG_INTERRUPT_MODERATION_OFF:
hw_atl_tdm_tx_desc_wr_wb_irq_en_set(self, 1U);
hw_atl_tdm_tdm_intr_moder_en_set(self, 0U);
hw_atl_rdm_rx_desc_wr_wb_irq_en_set(self, 1U);
hw_atl_rdm_rdm_intr_moder_en_set(self, 0U);
itr_tx = 0U;
itr_rx = 0U;
break;
}
for (i = HW_ATL_B0_RINGS_MAX; i--;) {
hw_atl_reg_tx_intr_moder_ctrl_set(self, itr_tx, i);
hw_atl_reg_rx_intr_moder_ctrl_set(self, itr_rx, i);
}
return aq_hw_err_from_flags(self);
}
static int hw_atl_b0_hw_stop(struct aq_hw_s *self)
{
int err;
u32 val;
hw_atl_b0_hw_irq_disable(self, HW_ATL_B0_INT_MASK);
/* Invalidate Descriptor Cache to prevent writing to the cached
* descriptors and to the data pointer of those descriptors
*/
hw_atl_rdm_rx_dma_desc_cache_init_tgl(self);
err = aq_hw_err_from_flags(self);
if (err)
goto err_exit;
readx_poll_timeout_atomic(hw_atl_rdm_rx_dma_desc_cache_init_done_get,
self, val, val == 1, 1000U, 10000U);
err_exit:
return err;
}
int hw_atl_b0_hw_ring_tx_stop(struct aq_hw_s *self, struct aq_ring_s *ring)
{
hw_atl_tdm_tx_desc_en_set(self, 0U, ring->idx);
return aq_hw_err_from_flags(self);
}
int hw_atl_b0_hw_ring_rx_stop(struct aq_hw_s *self, struct aq_ring_s *ring)
{
hw_atl_rdm_rx_desc_en_set(self, 0U, ring->idx);
return aq_hw_err_from_flags(self);
}
#define get_ptp_ts_val_u64(self, indx) \
((u64)(hw_atl_pcs_ptp_clock_get(self, indx) & 0xffff))
static void hw_atl_b0_get_ptp_ts(struct aq_hw_s *self, u64 *stamp)
{
u64 ns;
hw_atl_pcs_ptp_clock_read_enable(self, 1);
hw_atl_pcs_ptp_clock_read_enable(self, 0);
ns = (get_ptp_ts_val_u64(self, 0) +
(get_ptp_ts_val_u64(self, 1) << 16)) * NSEC_PER_SEC +
(get_ptp_ts_val_u64(self, 3) +
(get_ptp_ts_val_u64(self, 4) << 16));
*stamp = ns + self->ptp_clk_offset;
}
static void hw_atl_b0_adj_params_get(u64 freq, s64 adj, u32 *ns, u32 *fns)
{
/* For accuracy, the digit is extended */
s64 base_ns = ((adj + NSEC_PER_SEC) * NSEC_PER_SEC);
u64 nsi_frac = 0;
u64 nsi;
base_ns = div64_s64(base_ns, freq);
nsi = div64_u64(base_ns, NSEC_PER_SEC);
if (base_ns != nsi * NSEC_PER_SEC) {
s64 divisor = div64_s64((s64)NSEC_PER_SEC * NSEC_PER_SEC,
base_ns - nsi * NSEC_PER_SEC);
nsi_frac = div64_s64(AQ_FRAC_PER_NS * NSEC_PER_SEC, divisor);
}
*ns = (u32)nsi;
*fns = (u32)nsi_frac;
}
static void
hw_atl_b0_mac_adj_param_calc(struct hw_fw_request_ptp_adj_freq *ptp_adj_freq,
u64 phyfreq, u64 macfreq)
{
s64 adj_fns_val;
s64 fns_in_sec_phy = phyfreq * (ptp_adj_freq->fns_phy +
AQ_FRAC_PER_NS * ptp_adj_freq->ns_phy);
s64 fns_in_sec_mac = macfreq * (ptp_adj_freq->fns_mac +
AQ_FRAC_PER_NS * ptp_adj_freq->ns_mac);
s64 fault_in_sec_phy = AQ_FRAC_PER_NS * NSEC_PER_SEC - fns_in_sec_phy;
s64 fault_in_sec_mac = AQ_FRAC_PER_NS * NSEC_PER_SEC - fns_in_sec_mac;
/* MAC MCP counter freq is macfreq / 4 */
s64 diff_in_mcp_overflow = (fault_in_sec_mac - fault_in_sec_phy) *
4 * AQ_FRAC_PER_NS;
diff_in_mcp_overflow = div64_s64(diff_in_mcp_overflow,
AQ_HW_MAC_COUNTER_HZ);
adj_fns_val = (ptp_adj_freq->fns_mac + AQ_FRAC_PER_NS *
ptp_adj_freq->ns_mac) + diff_in_mcp_overflow;
ptp_adj_freq->mac_ns_adj = div64_s64(adj_fns_val, AQ_FRAC_PER_NS);
ptp_adj_freq->mac_fns_adj = adj_fns_val - ptp_adj_freq->mac_ns_adj *
AQ_FRAC_PER_NS;
}
static int hw_atl_b0_adj_sys_clock(struct aq_hw_s *self, s64 delta)
{
self->ptp_clk_offset += delta;
self->aq_fw_ops->adjust_ptp(self, self->ptp_clk_offset);
return 0;
}
static int hw_atl_b0_set_sys_clock(struct aq_hw_s *self, u64 time, u64 ts)
{
s64 delta = time - (self->ptp_clk_offset + ts);
return hw_atl_b0_adj_sys_clock(self, delta);
}
static int hw_atl_b0_ts_to_sys_clock(struct aq_hw_s *self, u64 ts, u64 *time)
{
*time = self->ptp_clk_offset + ts;
return 0;
}
static int hw_atl_b0_adj_clock_freq(struct aq_hw_s *self, s32 ppb)
{
struct hw_fw_request_iface fwreq;
size_t size;
memset(&fwreq, 0, sizeof(fwreq));
fwreq.msg_id = HW_AQ_FW_REQUEST_PTP_ADJ_FREQ;
hw_atl_b0_adj_params_get(AQ_HW_MAC_COUNTER_HZ, ppb,
&fwreq.ptp_adj_freq.ns_mac,
&fwreq.ptp_adj_freq.fns_mac);
hw_atl_b0_adj_params_get(AQ_HW_PHY_COUNTER_HZ, ppb,
&fwreq.ptp_adj_freq.ns_phy,
&fwreq.ptp_adj_freq.fns_phy);
hw_atl_b0_mac_adj_param_calc(&fwreq.ptp_adj_freq,
AQ_HW_PHY_COUNTER_HZ,
AQ_HW_MAC_COUNTER_HZ);
size = sizeof(fwreq.msg_id) + sizeof(fwreq.ptp_adj_freq);
return self->aq_fw_ops->send_fw_request(self, &fwreq, size);
}
static int hw_atl_b0_gpio_pulse(struct aq_hw_s *self, u32 index,
u64 start, u32 period)
{
struct hw_fw_request_iface fwreq;
size_t size;
memset(&fwreq, 0, sizeof(fwreq));
fwreq.msg_id = HW_AQ_FW_REQUEST_PTP_GPIO_CTRL;
fwreq.ptp_gpio_ctrl.index = index;
fwreq.ptp_gpio_ctrl.period = period;
/* Apply time offset */
fwreq.ptp_gpio_ctrl.start = start;
size = sizeof(fwreq.msg_id) + sizeof(fwreq.ptp_gpio_ctrl);
return self->aq_fw_ops->send_fw_request(self, &fwreq, size);
}
static int hw_atl_b0_extts_gpio_enable(struct aq_hw_s *self, u32 index,
u32 enable)
{
/* Enable/disable Sync1588 GPIO Timestamping */
aq_phy_write_reg(self, MDIO_MMD_PCS, 0xc611, enable ? 0x71 : 0);
return 0;
}
static int hw_atl_b0_get_sync_ts(struct aq_hw_s *self, u64 *ts)
{
u64 sec_l;
u64 sec_h;
u64 nsec_l;
u64 nsec_h;
if (!ts)
return -1;
/* PTP external GPIO clock seconds count 15:0 */
sec_l = aq_phy_read_reg(self, MDIO_MMD_PCS, 0xc914);
/* PTP external GPIO clock seconds count 31:16 */
sec_h = aq_phy_read_reg(self, MDIO_MMD_PCS, 0xc915);
/* PTP external GPIO clock nanoseconds count 15:0 */
nsec_l = aq_phy_read_reg(self, MDIO_MMD_PCS, 0xc916);
/* PTP external GPIO clock nanoseconds count 31:16 */
nsec_h = aq_phy_read_reg(self, MDIO_MMD_PCS, 0xc917);
*ts = (nsec_h << 16) + nsec_l + ((sec_h << 16) + sec_l) * NSEC_PER_SEC;
return 0;
}
static u16 hw_atl_b0_rx_extract_ts(struct aq_hw_s *self, u8 *p,
unsigned int len, u64 *timestamp)
{
unsigned int offset = 14;
struct ethhdr *eth;
__be64 sec;
__be32 ns;
u8 *ptr;
if (len <= offset || !timestamp)
return 0;
/* The TIMESTAMP in the end of package has following format:
* (big-endian)
* struct {
* uint64_t sec;
* uint32_t ns;
* uint16_t stream_id;
* };
*/
ptr = p + (len - offset);
memcpy(&sec, ptr, sizeof(sec));
ptr += sizeof(sec);
memcpy(&ns, ptr, sizeof(ns));
*timestamp = (be64_to_cpu(sec) & 0xffffffffffffllu) * NSEC_PER_SEC +
be32_to_cpu(ns) + self->ptp_clk_offset;
eth = (struct ethhdr *)p;
return (eth->h_proto == htons(ETH_P_1588)) ? 12 : 14;
}
static int hw_atl_b0_extract_hwts(struct aq_hw_s *self, u8 *p, unsigned int len,
u64 *timestamp)
{
struct hw_atl_rxd_hwts_wb_s *hwts_wb = (struct hw_atl_rxd_hwts_wb_s *)p;
u64 tmp, sec, ns;
sec = 0;
tmp = (hwts_wb->sec_lw0 >> 2) & 0x3ff;
sec += tmp;
tmp = (u64)((hwts_wb->sec_lw1 >> 16) & 0xffff) << 10;
sec += tmp;
tmp = (u64)(hwts_wb->sec_hw & 0xfff) << 26;
sec += tmp;
tmp = (u64)((hwts_wb->sec_hw >> 22) & 0x3ff) << 38;
sec += tmp;
ns = sec * NSEC_PER_SEC + hwts_wb->ns;
if (timestamp)
*timestamp = ns + self->ptp_clk_offset;
return 0;
}
static int hw_atl_b0_hw_fl3l4_clear(struct aq_hw_s *self,
struct aq_rx_filter_l3l4 *data)
{
u8 location = data->location;
if (!data->is_ipv6) {
hw_atl_rpfl3l4_cmd_clear(self, location);
hw_atl_rpf_l4_spd_set(self, 0U, location);
hw_atl_rpf_l4_dpd_set(self, 0U, location);
hw_atl_rpfl3l4_ipv4_src_addr_clear(self, location);
hw_atl_rpfl3l4_ipv4_dest_addr_clear(self, location);
} else {
int i;
for (i = 0; i < HW_ATL_RX_CNT_REG_ADDR_IPV6; ++i) {
hw_atl_rpfl3l4_cmd_clear(self, location + i);
hw_atl_rpf_l4_spd_set(self, 0U, location + i);
hw_atl_rpf_l4_dpd_set(self, 0U, location + i);
}
hw_atl_rpfl3l4_ipv6_src_addr_clear(self, location);
hw_atl_rpfl3l4_ipv6_dest_addr_clear(self, location);
}
return aq_hw_err_from_flags(self);
}
static int hw_atl_b0_hw_fl3l4_set(struct aq_hw_s *self,
struct aq_rx_filter_l3l4 *data)
{
u8 location = data->location;
hw_atl_b0_hw_fl3l4_clear(self, data);
if (data->cmd & (HW_ATL_RX_ENABLE_CMP_DEST_ADDR_L3 |
HW_ATL_RX_ENABLE_CMP_SRC_ADDR_L3)) {
if (!data->is_ipv6) {
hw_atl_rpfl3l4_ipv4_dest_addr_set(self,
location,
data->ip_dst[0]);
hw_atl_rpfl3l4_ipv4_src_addr_set(self,
location,
data->ip_src[0]);
} else {
hw_atl_rpfl3l4_ipv6_dest_addr_set(self,
location,
data->ip_dst);
hw_atl_rpfl3l4_ipv6_src_addr_set(self,
location,
data->ip_src);
}
}
if (data->cmd & (HW_ATL_RX_ENABLE_CMP_DEST_PORT_L4 |
HW_ATL_RX_ENABLE_CMP_SRC_PORT_L4)) {
hw_atl_rpf_l4_dpd_set(self, data->p_dst, location);
hw_atl_rpf_l4_spd_set(self, data->p_src, location);
}
hw_atl_rpfl3l4_cmd_set(self, location, data->cmd);
return aq_hw_err_from_flags(self);
}
static int hw_atl_b0_hw_fl2_set(struct aq_hw_s *self,
struct aq_rx_filter_l2 *data)
{
hw_atl_rpf_etht_flr_en_set(self, 1U, data->location);
hw_atl_rpf_etht_flr_set(self, data->ethertype, data->location);
hw_atl_rpf_etht_user_priority_en_set(self,
!!data->user_priority_en,
data->location);
if (data->user_priority_en)
hw_atl_rpf_etht_user_priority_set(self,
data->user_priority,
data->location);
if (data->queue < 0) {
hw_atl_rpf_etht_flr_act_set(self, 0U, data->location);
hw_atl_rpf_etht_rx_queue_en_set(self, 0U, data->location);
} else {
hw_atl_rpf_etht_flr_act_set(self, 1U, data->location);
hw_atl_rpf_etht_rx_queue_en_set(self, 1U, data->location);
hw_atl_rpf_etht_rx_queue_set(self, data->queue, data->location);
}
return aq_hw_err_from_flags(self);
}
static int hw_atl_b0_hw_fl2_clear(struct aq_hw_s *self,
struct aq_rx_filter_l2 *data)
{
hw_atl_rpf_etht_flr_en_set(self, 0U, data->location);
hw_atl_rpf_etht_flr_set(self, 0U, data->location);
hw_atl_rpf_etht_user_priority_en_set(self, 0U, data->location);
return aq_hw_err_from_flags(self);
}
/*
* @brief Set VLAN filter table
* @details Configure VLAN filter table to accept (and assign the queue) traffic
* for the particular vlan ids.
* Note: use this function under vlan promisc mode not to lost the traffic
*
* @param aq_hw_s
* @param aq_rx_filter_vlan VLAN filter configuration
* @return 0 - OK, <0 - error
*/
static int hw_atl_b0_hw_vlan_set(struct aq_hw_s *self,
struct aq_rx_filter_vlan *aq_vlans)
{
int i;
for (i = 0; i < AQ_VLAN_MAX_FILTERS; i++) {
hw_atl_rpf_vlan_flr_en_set(self, 0U, i);
hw_atl_rpf_vlan_rxq_en_flr_set(self, 0U, i);
if (aq_vlans[i].enable) {
hw_atl_rpf_vlan_id_flr_set(self,
aq_vlans[i].vlan_id,
i);
hw_atl_rpf_vlan_flr_act_set(self, 1U, i);
hw_atl_rpf_vlan_flr_en_set(self, 1U, i);
if (aq_vlans[i].queue != 0xFF) {
hw_atl_rpf_vlan_rxq_flr_set(self,
aq_vlans[i].queue,
i);
hw_atl_rpf_vlan_rxq_en_flr_set(self, 1U, i);
}
}
}
return aq_hw_err_from_flags(self);
}
static int hw_atl_b0_hw_vlan_ctrl(struct aq_hw_s *self, bool enable)
{
/* set promisc in case of disabing the vland filter */
hw_atl_rpf_vlan_prom_mode_en_set(self, !enable);
return aq_hw_err_from_flags(self);
}
int hw_atl_b0_set_loopback(struct aq_hw_s *self, u32 mode, bool enable)
{
switch (mode) {
case AQ_HW_LOOPBACK_DMA_SYS:
hw_atl_tpb_tx_dma_sys_lbk_en_set(self, enable);
hw_atl_rpb_dma_sys_lbk_set(self, enable);
break;
case AQ_HW_LOOPBACK_PKT_SYS:
hw_atl_tpo_tx_pkt_sys_lbk_en_set(self, enable);
hw_atl_rpf_tpo_to_rpf_sys_lbk_set(self, enable);
break;
case AQ_HW_LOOPBACK_DMA_NET:
hw_atl_rpf_vlan_prom_mode_en_set(self, enable);
hw_atl_rpfl2promiscuous_mode_en_set(self, enable);
hw_atl_tpb_tx_tx_clk_gate_en_set(self, !enable);
hw_atl_tpb_tx_dma_net_lbk_en_set(self, enable);
hw_atl_rpb_dma_net_lbk_set(self, enable);
break;
default:
return -EINVAL;
}
return 0;
}
static u32 hw_atl_b0_ts_ready_and_latch_high_get(struct aq_hw_s *self)
{
if (hw_atl_ts_ready_get(self) && hw_atl_ts_ready_latch_high_get(self))
return 1;
return 0;
}
static int hw_atl_b0_get_mac_temp(struct aq_hw_s *self, u32 *temp)
{
bool ts_disabled;
int err;
u32 val;
u32 ts;
ts_disabled = (hw_atl_ts_power_down_get(self) == 1U);
if (ts_disabled) {
// Set AFE Temperature Sensor to on (off by default)
hw_atl_ts_power_down_set(self, 0U);
// Reset internal capacitors, biasing, and counters
hw_atl_ts_reset_set(self, 1);
hw_atl_ts_reset_set(self, 0);
}
err = readx_poll_timeout(hw_atl_b0_ts_ready_and_latch_high_get, self,
val, val == 1, 10000U, 500000U);
if (err)
return err;
ts = hw_atl_ts_data_get(self);
*temp = ts * ts * 16 / 100000 + 60 * ts - 83410;
if (ts_disabled) {
// Set AFE Temperature Sensor back to off
hw_atl_ts_power_down_set(self, 1U);
}
return 0;
}
const struct aq_hw_ops hw_atl_ops_b0 = {
.hw_soft_reset = hw_atl_utils_soft_reset,
.hw_prepare = hw_atl_utils_initfw,
.hw_set_mac_address = hw_atl_b0_hw_mac_addr_set,
.hw_init = hw_atl_b0_hw_init,
.hw_reset = hw_atl_b0_hw_reset,
.hw_start = hw_atl_b0_hw_start,
.hw_ring_tx_start = hw_atl_b0_hw_ring_tx_start,
.hw_ring_tx_stop = hw_atl_b0_hw_ring_tx_stop,
.hw_ring_rx_start = hw_atl_b0_hw_ring_rx_start,
.hw_ring_rx_stop = hw_atl_b0_hw_ring_rx_stop,
.hw_stop = hw_atl_b0_hw_stop,
.hw_ring_tx_xmit = hw_atl_b0_hw_ring_tx_xmit,
.hw_ring_tx_head_update = hw_atl_b0_hw_ring_tx_head_update,
.hw_ring_rx_receive = hw_atl_b0_hw_ring_rx_receive,
.hw_ring_rx_fill = hw_atl_b0_hw_ring_rx_fill,
.hw_irq_enable = hw_atl_b0_hw_irq_enable,
.hw_irq_disable = hw_atl_b0_hw_irq_disable,
.hw_irq_read = hw_atl_b0_hw_irq_read,
.hw_ring_rx_init = hw_atl_b0_hw_ring_rx_init,
.hw_ring_tx_init = hw_atl_b0_hw_ring_tx_init,
.hw_packet_filter_set = hw_atl_b0_hw_packet_filter_set,
.hw_filter_l2_set = hw_atl_b0_hw_fl2_set,
.hw_filter_l2_clear = hw_atl_b0_hw_fl2_clear,
.hw_filter_l3l4_set = hw_atl_b0_hw_fl3l4_set,
.hw_filter_vlan_set = hw_atl_b0_hw_vlan_set,
.hw_filter_vlan_ctrl = hw_atl_b0_hw_vlan_ctrl,
.hw_multicast_list_set = hw_atl_b0_hw_multicast_list_set,
.hw_interrupt_moderation_set = hw_atl_b0_hw_interrupt_moderation_set,
.hw_rss_set = hw_atl_b0_hw_rss_set,
.hw_rss_hash_set = hw_atl_b0_hw_rss_hash_set,
.hw_tc_rate_limit_set = hw_atl_b0_hw_init_tx_tc_rate_limit,
.hw_get_regs = hw_atl_utils_hw_get_regs,
.hw_get_hw_stats = hw_atl_utils_get_hw_stats,
.hw_get_fw_version = hw_atl_utils_get_fw_version,
.hw_ring_hwts_rx_fill = hw_atl_b0_hw_ring_hwts_rx_fill,
.hw_ring_hwts_rx_receive = hw_atl_b0_hw_ring_hwts_rx_receive,
.hw_get_ptp_ts = hw_atl_b0_get_ptp_ts,
.hw_adj_sys_clock = hw_atl_b0_adj_sys_clock,
.hw_set_sys_clock = hw_atl_b0_set_sys_clock,
.hw_ts_to_sys_clock = hw_atl_b0_ts_to_sys_clock,
.hw_adj_clock_freq = hw_atl_b0_adj_clock_freq,
.hw_gpio_pulse = hw_atl_b0_gpio_pulse,
.hw_extts_gpio_enable = hw_atl_b0_extts_gpio_enable,
.hw_get_sync_ts = hw_atl_b0_get_sync_ts,
.rx_extract_ts = hw_atl_b0_rx_extract_ts,
.extract_hwts = hw_atl_b0_extract_hwts,
.hw_set_offload = hw_atl_b0_hw_offload_set,
.hw_set_loopback = hw_atl_b0_set_loopback,
.hw_set_fc = hw_atl_b0_set_fc,
.hw_get_mac_temp = hw_atl_b0_get_mac_temp,
};
