/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*/
/* 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 "hw_atl_b0.h"
#include "hw_atl_utils.h"
#include "hw_atl_llh.h"
#include "hw_atl_b0_internal.h"
static int hw_atl_b0_get_hw_caps(struct aq_hw_s *self,
struct aq_hw_caps_s *aq_hw_caps)
{
memcpy(aq_hw_caps, &hw_atl_b0_hw_caps_, sizeof(*aq_hw_caps));
return 0;
}
static struct aq_hw_s *hw_atl_b0_create(struct aq_pci_func_s *aq_pci_func,
unsigned int port,
struct aq_hw_ops *ops)
{
struct hw_atl_s *self = NULL;
self = kzalloc(sizeof(*self), GFP_KERNEL);
if (!self)
goto err_exit;
self->base.aq_pci_func = aq_pci_func;
self->base.not_ff_addr = 0x10U;
err_exit:
return (struct aq_hw_s *)self;
}
static void hw_atl_b0_destroy(struct aq_hw_s *self)
{
kfree(self);
}
static int hw_atl_b0_hw_reset(struct aq_hw_s *self)
{
int err = 0;
glb_glb_reg_res_dis_set(self, 1U);
pci_pci_reg_res_dis_set(self, 0U);
rx_rx_reg_res_dis_set(self, 0U);
tx_tx_reg_res_dis_set(self, 0U);
HW_ATL_FLUSH();
glb_soft_res_set(self, 1);
/* check 10 times by 1ms */
AQ_HW_WAIT_FOR(glb_soft_res_get(self) == 0, 1000U, 10U);
if (err < 0)
goto err_exit;
itr_irq_reg_res_dis_set(self, 0U);
itr_res_irq_set(self, 1U);
/* check 10 times by 1ms */
AQ_HW_WAIT_FOR(itr_res_irq_get(self) == 0, 1000U, 10U);
if (err < 0)
goto err_exit;
hw_atl_utils_mpi_set(self, MPI_RESET, 0x0U);
err = aq_hw_err_from_flags(self);
err_exit:
return err;
}
static int hw_atl_b0_hw_qos_set(struct aq_hw_s *self)
{
u32 tc = 0U;
u32 buff_size = 0U;
unsigned int i_priority = 0U;
bool is_rx_flow_control = false;
/* TPS Descriptor rate init */
tps_tx_pkt_shed_desc_rate_curr_time_res_set(self, 0x0U);
tps_tx_pkt_shed_desc_rate_lim_set(self, 0xA);
/* TPS VM init */
tps_tx_pkt_shed_desc_vm_arb_mode_set(self, 0U);
/* TPS TC credits init */
tps_tx_pkt_shed_desc_tc_arb_mode_set(self, 0U);
tps_tx_pkt_shed_data_arb_mode_set(self, 0U);
tps_tx_pkt_shed_tc_data_max_credit_set(self, 0xFFF, 0U);
tps_tx_pkt_shed_tc_data_weight_set(self, 0x64, 0U);
tps_tx_pkt_shed_desc_tc_max_credit_set(self, 0x50, 0U);
tps_tx_pkt_shed_desc_tc_weight_set(self, 0x1E, 0U);
/* Tx buf size */
buff_size = HW_ATL_B0_TXBUF_MAX;
tpb_tx_pkt_buff_size_per_tc_set(self, buff_size, tc);
tpb_tx_buff_hi_threshold_per_tc_set(self,
(buff_size * (1024 / 32U) * 66U) /
100U, tc);
tpb_tx_buff_lo_threshold_per_tc_set(self,
(buff_size * (1024 / 32U) * 50U) /
100U, tc);
/* QoS Rx buf size per TC */
tc = 0;
is_rx_flow_control = (AQ_NIC_FC_RX & self->aq_nic_cfg->flow_control);
buff_size = HW_ATL_B0_RXBUF_MAX;
rpb_rx_pkt_buff_size_per_tc_set(self, buff_size, tc);
rpb_rx_buff_hi_threshold_per_tc_set(self,
(buff_size *
(1024U / 32U) * 66U) /
100U, tc);
rpb_rx_buff_lo_threshold_per_tc_set(self,
(buff_size *
(1024U / 32U) * 50U) /
100U, tc);
rpb_rx_xoff_en_per_tc_set(self, is_rx_flow_control ? 1U : 0U, tc);
/* QoS 802.1p priority -> TC mapping */
for (i_priority = 8U; i_priority--;)
rpf_rpb_user_priority_tc_map_set(self, i_priority, 0U);
return aq_hw_err_from_flags(self);
}
static 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 = NULL;
int err = 0;
unsigned int i = 0U;
unsigned int addr = 0U;
cfg = self->aq_nic_cfg;
for (i = 10, addr = 0U; i--; ++addr) {
u32 key_data = cfg->is_rss ?
__swab32(rss_params->hash_secret_key[i]) : 0U;
rpf_rss_key_wr_data_set(self, key_data);
rpf_rss_key_addr_set(self, addr);
rpf_rss_key_wr_en_set(self, 1U);
AQ_HW_WAIT_FOR(rpf_rss_key_wr_en_get(self) == 0, 1000U, 10U);
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)
{
u8 *indirection_table = rss_params->indirection_table;
u32 i = 0U;
u32 num_rss_queues = max(1U, self->aq_nic_cfg->num_rss_queues);
int err = 0;
u16 bitary[(HW_ATL_B0_RSS_REDIRECTION_MAX *
HW_ATL_B0_RSS_REDIRECTION_BITS / 16U)];
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 = AQ_DIMOF(bitary); i--;) {
rpf_rss_redir_tbl_wr_data_set(self, bitary[i]);
rpf_rss_redir_tbl_addr_set(self, i);
rpf_rss_redir_wr_en_set(self, 1U);
AQ_HW_WAIT_FOR(rpf_rss_redir_wr_en_get(self) == 0, 1000U, 10U);
if (err < 0)
goto err_exit;
}
err = aq_hw_err_from_flags(self);
err_exit:
return err;
}
static int hw_atl_b0_hw_offload_set(struct aq_hw_s *self,
struct aq_nic_cfg_s *aq_nic_cfg)
{
unsigned int i;
/* TX checksums offloads*/
tpo_ipv4header_crc_offload_en_set(self, 1);
tpo_tcp_udp_crc_offload_en_set(self, 1);
/* RX checksums offloads*/
rpo_ipv4header_crc_offload_en_set(self, 1);
rpo_tcp_udp_crc_offload_en_set(self, 1);
/* LSO offloads*/
tdm_large_send_offload_en_set(self, 0xFFFFFFFFU);
/* 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++)
rpo_lro_max_num_of_descriptors_set(self, val, i);
rpo_lro_time_base_divider_set(self, 0x61AU);
rpo_lro_inactive_interval_set(self, 0);
rpo_lro_max_coalescing_interval_set(self, 2);
rpo_lro_qsessions_lim_set(self, 1U);
rpo_lro_total_desc_lim_set(self, 2U);
rpo_lro_patch_optimization_en_set(self, 0U);
rpo_lro_min_pay_of_first_pkt_set(self, 10U);
rpo_lro_pkt_lim_set(self, 1U);
rpo_lro_en_set(self, aq_nic_cfg->is_lro ? 0xFFFFFFFFU : 0U);
}
return aq_hw_err_from_flags(self);
}
static int hw_atl_b0_hw_init_tx_path(struct aq_hw_s *self)
{
thm_lso_tcp_flag_of_first_pkt_set(self, 0x0FF6U);
thm_lso_tcp_flag_of_middle_pkt_set(self, 0x0FF6U);
thm_lso_tcp_flag_of_last_pkt_set(self, 0x0F7FU);
/* Tx interrupts */
tdm_tx_desc_wr_wb_irq_en_set(self, 1U);
/* misc */
aq_hw_write_reg(self, 0x00007040U, IS_CHIP_FEATURE(TPO2) ?
0x00010000U : 0x00000000U);
tdm_tx_dca_en_set(self, 0U);
tdm_tx_dca_mode_set(self, 0U);
tpb_tx_path_scp_ins_en_set(self, 1U);
return aq_hw_err_from_flags(self);
}
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 */
rpb_rpf_rx_traf_class_mode_set(self, 1U);
/* Rx flow control */
rpb_rx_flow_ctl_mode_set(self, 1U);
/* RSS Ring selection */
reg_rx_flr_rss_control1set(self, cfg->is_rss ?
0xB3333333U : 0x00000000U);
/* Multicast filters */
for (i = HW_ATL_B0_MAC_MAX; i--;) {
rpfl2_uc_flr_en_set(self, (i == 0U) ? 1U : 0U, i);
rpfl2unicast_flr_act_set(self, 1U, i);
}
reg_rx_flr_mcst_flr_msk_set(self, 0x00000000U);
reg_rx_flr_mcst_flr_set(self, 0x00010FFFU, 0U);
/* Vlan filters */
rpf_vlan_outer_etht_set(self, 0x88A8U);
rpf_vlan_inner_etht_set(self, 0x8100U);
if (cfg->vlan_id) {
rpf_vlan_flr_act_set(self, 1U, 0U);
rpf_vlan_id_flr_set(self, 0U, 0U);
rpf_vlan_flr_en_set(self, 0U, 0U);
rpf_vlan_accept_untagged_packets_set(self, 1U);
rpf_vlan_untagged_act_set(self, 1U);
rpf_vlan_flr_act_set(self, 1U, 1U);
rpf_vlan_id_flr_set(self, cfg->vlan_id, 0U);
rpf_vlan_flr_en_set(self, 1U, 1U);
} else {
rpf_vlan_prom_mode_en_set(self, 1);
}
/* Rx Interrupts */
rdm_rx_desc_wr_wb_irq_en_set(self, 1U);
/* misc */
aq_hw_write_reg(self, 0x00005040U,
IS_CHIP_FEATURE(RPF2) ? 0x000F0000U : 0x00000000U);
rpfl2broadcast_flr_act_set(self, 1U);
rpfl2broadcast_count_threshold_set(self, 0xFFFFU & (~0U / 256U));
rdm_rx_dca_en_set(self, 0U);
rdm_rx_dca_mode_set(self, 0U);
return aq_hw_err_from_flags(self);
}
static int hw_atl_b0_hw_mac_addr_set(struct aq_hw_s *self, u8 *mac_addr)
{
int err = 0;
unsigned int h = 0U;
unsigned int l = 0U;
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];
rpfl2_uc_flr_en_set(self, 0U, HW_ATL_B0_MAC);
rpfl2unicast_dest_addresslsw_set(self, l, HW_ATL_B0_MAC);
rpfl2unicast_dest_addressmsw_set(self, h, HW_ATL_B0_MAC);
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,
struct aq_nic_cfg_s *aq_nic_cfg,
u8 *mac_addr)
{
static u32 aq_hw_atl_igcr_table_[4][2] = {
{ 0x20000000U, 0x20000000U }, /* AQ_IRQ_INVALID */
{ 0x20000080U, 0x20000080U }, /* AQ_IRQ_LEGACY */
{ 0x20000021U, 0x20000025U }, /* AQ_IRQ_MSI */
{ 0x20000022U, 0x20000026U } /* AQ_IRQ_MSIX */
};
int err = 0;
self->aq_nic_cfg = aq_nic_cfg;
hw_atl_utils_hw_chip_features_init(self,
&PHAL_ATLANTIC_B0->chip_features);
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);
hw_atl_utils_mpi_set(self, MPI_INIT, aq_nic_cfg->link_speed_msk);
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);
err = aq_hw_err_from_flags(self);
if (err < 0)
goto err_exit;
/* Interrupts */
reg_irq_glb_ctl_set(self,
aq_hw_atl_igcr_table_[aq_nic_cfg->irq_type]
[(aq_nic_cfg->vecs > 1U) ?
1 : 0]);
itr_irq_auto_masklsw_set(self, aq_nic_cfg->aq_hw_caps->irq_mask);
/* Interrupts */
reg_gen_irq_map_set(self,
((HW_ATL_B0_ERR_INT << 0x18) | (1U << 0x1F)) |
((HW_ATL_B0_ERR_INT << 0x10) | (1U << 0x17)), 0U);
hw_atl_b0_hw_offload_set(self, aq_nic_cfg);
err_exit:
return err;
}
static int hw_atl_b0_hw_ring_tx_start(struct aq_hw_s *self,
struct aq_ring_s *ring)
{
tdm_tx_desc_en_set(self, 1, ring->idx);
return aq_hw_err_from_flags(self);
}
static int hw_atl_b0_hw_ring_rx_start(struct aq_hw_s *self,
struct aq_ring_s *ring)
{
rdm_rx_desc_en_set(self, 1, ring->idx);
return aq_hw_err_from_flags(self);
}
static int hw_atl_b0_hw_start(struct aq_hw_s *self)
{
tpb_tx_buff_en_set(self, 1);
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)
{
reg_tx_dma_desc_tail_ptr_set(self, ring->sw_tail, ring->idx);
return 0;
}
static 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 pkt_len = 0U;
unsigned int frag_count = 0U;
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_txc) {
txd->ctl |= (buff->len_l3 << 31) |
(buff->len_l2 << 24) |
HW_ATL_B0_TXD_CTL_CMD_TCP |
HW_ATL_B0_TXD_CTL_DESC_TYPE_TXC;
txd->ctl2 |= (buff->mss << 16) |
(buff->len_l4 << 8) |
(buff->len_l3 >> 1);
pkt_len -= (buff->len_l4 +
buff->len_l3 +
buff->len_l2);
is_gso = true;
if (buff->is_ipv6)
txd->ctl |= HW_ATL_B0_TXD_CTL_CMD_IPV6;
} else {
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) {
txd->ctl |= HW_ATL_B0_TXD_CTL_CMD_LSO;
txd->ctl2 |= HW_ATL_B0_TXD_CTL2_CTX_EN;
}
/* 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 (unlikely(buff->is_eop)) {
txd->ctl |= HW_ATL_B0_TXD_CTL_EOP;
txd->ctl |= HW_ATL_B0_TXD_CTL_CMD_WB;
is_gso = 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);
}
static 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_lsw = (u32)aq_ring->dx_ring_pa;
u32 dma_desc_addr_msw = (u32)(((u64)aq_ring->dx_ring_pa) >> 32);
rdm_rx_desc_en_set(self, false, aq_ring->idx);
rdm_rx_desc_head_splitting_set(self, 0U, aq_ring->idx);
reg_rx_dma_desc_base_addresslswset(self, dma_desc_addr_lsw,
aq_ring->idx);
reg_rx_dma_desc_base_addressmswset(self,
dma_desc_addr_msw, aq_ring->idx);
rdm_rx_desc_len_set(self, aq_ring->size / 8U, aq_ring->idx);
rdm_rx_desc_data_buff_size_set(self,
AQ_CFG_RX_FRAME_MAX / 1024U,
aq_ring->idx);
rdm_rx_desc_head_buff_size_set(self, 0U, aq_ring->idx);
rdm_rx_desc_head_splitting_set(self, 0U, aq_ring->idx);
rpo_rx_desc_vlan_stripping_set(self, 0U, aq_ring->idx);
/* Rx ring set mode */
/* Mapping interrupt vector */
itr_irq_map_rx_set(self, aq_ring_param->vec_idx, aq_ring->idx);
itr_irq_map_en_rx_set(self, true, aq_ring->idx);
rdm_cpu_id_set(self, aq_ring_param->cpu, aq_ring->idx);
rdm_rx_desc_dca_en_set(self, 0U, aq_ring->idx);
rdm_rx_head_dca_en_set(self, 0U, aq_ring->idx);
rdm_rx_pld_dca_en_set(self, 0U, aq_ring->idx);
return aq_hw_err_from_flags(self);
}
static 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_lsw_addr = (u32)aq_ring->dx_ring_pa;
u32 dma_desc_msw_addr = (u32)(((u64)aq_ring->dx_ring_pa) >> 32);
reg_tx_dma_desc_base_addresslswset(self, dma_desc_lsw_addr,
aq_ring->idx);
reg_tx_dma_desc_base_addressmswset(self, dma_desc_msw_addr,
aq_ring->idx);
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 */
tdm_tx_desc_wr_wb_threshold_set(self, 0U, aq_ring->idx);
/* Mapping interrupt vector */
itr_irq_map_tx_set(self, aq_ring_param->vec_idx, aq_ring->idx);
itr_irq_map_en_tx_set(self, true, aq_ring->idx);
tdm_cpu_id_set(self, aq_ring_param->cpu, aq_ring->idx);
tdm_tx_desc_dca_en_set(self, 0U, aq_ring->idx);
return aq_hw_err_from_flags(self);
}
static 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;
}
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_tx_head_update(struct aq_hw_s *self,
struct aq_ring_s *ring)
{
int err = 0;
unsigned int hw_head_ = tdm_tx_desc_head_ptr_get(self, ring->idx);
if (aq_utils_obj_test(&self->header.flags, AQ_HW_FLAG_ERR_UNPLUG)) {
err = -ENXIO;
goto err_exit;
}
ring->hw_head = hw_head_;
err = aq_hw_err_from_flags(self);
err_exit:
return err;
}
static int hw_atl_b0_hw_ring_rx_receive(struct aq_hw_s *self,
struct aq_ring_s *ring)
{
struct device *ndev = aq_nic_get_dev(ring->aq_nic);
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_err = 1U;
unsigned int is_rx_check_sum_enabled = 0U;
unsigned int pkt_type = 0U;
if (!(rxd_wb->status & 0x1U)) { /* RxD is not done */
break;
}
buff = &ring->buff_ring[ring->hw_head];
is_err = (0x0000003CU & rxd_wb->status);
is_rx_check_sum_enabled = (rxd_wb->type) & (0x3U << 19);
is_err &= ~0x20U; /* exclude validity bit */
pkt_type = 0xFFU & (rxd_wb->type >> 4);
if (is_rx_check_sum_enabled) {
if (0x0U == (pkt_type & 0x3U))
buff->is_ip_cso = (is_err & 0x08U) ? 0U : 1U;
if (0x4U == (pkt_type & 0x1CU))
buff->is_udp_cso = buff->is_cso_err ? 0U : 1U;
else if (0x0U == (pkt_type & 0x1CU))
buff->is_tcp_cso = buff->is_cso_err ? 0U : 1U;
}
is_err &= ~0x18U;
dma_unmap_page(ndev, buff->pa, buff->len, DMA_FROM_DEVICE);
if (is_err || rxd_wb->type & 0x1000U) {
/* status error or DMA error */
buff->is_error = 1U;
} else {
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;
}
}
if (HW_ATL_B0_RXD_WB_STAT2_EOP & rxd_wb->status) {
buff->len = rxd_wb->pkt_len %
AQ_CFG_RX_FRAME_MAX;
buff->len = buff->len ?
buff->len : AQ_CFG_RX_FRAME_MAX;
buff->next = 0U;
buff->is_eop = 1U;
} else {
if (HW_ATL_B0_RXD_WB_STAT2_RSCCNT &
rxd_wb->status) {
/* 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);
}
static int hw_atl_b0_hw_irq_enable(struct aq_hw_s *self, u64 mask)
{
itr_irq_msk_setlsw_set(self, LODWORD(mask));
return aq_hw_err_from_flags(self);
}
static int hw_atl_b0_hw_irq_disable(struct aq_hw_s *self, u64 mask)
{
itr_irq_msk_clearlsw_set(self, LODWORD(mask));
itr_irq_status_clearlsw_set(self, LODWORD(mask));
atomic_inc(&PHAL_ATLANTIC_B0->dpc);
return aq_hw_err_from_flags(self);
}
static int hw_atl_b0_hw_irq_read(struct aq_hw_s *self, u64 *mask)
{
*mask = itr_irq_statuslsw_get(self);
return aq_hw_err_from_flags(self);
}
#define IS_FILTER_ENABLED(_F_) ((packet_filter & (_F_)) ? 1U : 0U)
static int hw_atl_b0_hw_packet_filter_set(struct aq_hw_s *self,
unsigned int packet_filter)
{
unsigned int i = 0U;
rpfl2promiscuous_mode_en_set(self, IS_FILTER_ENABLED(IFF_PROMISC));
rpfl2multicast_flr_en_set(self,
IS_FILTER_ENABLED(IFF_MULTICAST), 0);
rpfl2_accept_all_mc_packets_set(self,
IS_FILTER_ENABLED(IFF_ALLMULTI));
rpfl2broadcast_en_set(self, IS_FILTER_ENABLED(IFF_BROADCAST));
self->aq_nic_cfg->is_mc_list_enabled = IS_FILTER_ENABLED(IFF_MULTICAST);
for (i = HW_ATL_B0_MAC_MIN; i < HW_ATL_B0_MAC_MAX; ++i)
rpfl2_uc_flr_en_set(self,
(self->aq_nic_cfg->is_mc_list_enabled &&
(i <= self->aq_nic_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_CFG_MULTICAST_ADDRESS_MAX]
[ETH_ALEN],
u32 count)
{
int err = 0;
if (count > (HW_ATL_B0_MAC_MAX - HW_ATL_B0_MAC_MIN)) {
err = -EBADRQC;
goto err_exit;
}
for (self->aq_nic_cfg->mc_list_count = 0U;
self->aq_nic_cfg->mc_list_count < count;
++self->aq_nic_cfg->mc_list_count) {
u32 i = self->aq_nic_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];
rpfl2_uc_flr_en_set(self, 0U, HW_ATL_B0_MAC_MIN + i);
rpfl2unicast_dest_addresslsw_set(self,
l, HW_ATL_B0_MAC_MIN + i);
rpfl2unicast_dest_addressmsw_set(self,
h, HW_ATL_B0_MAC_MIN + i);
rpfl2_uc_flr_en_set(self,
(self->aq_nic_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,
bool itr_enabled)
{
unsigned int i = 0U;
if (itr_enabled && self->aq_nic_cfg->itr) {
tdm_tx_desc_wr_wb_irq_en_set(self, 0U);
tdm_tdm_intr_moder_en_set(self, 1U);
rdm_rx_desc_wr_wb_irq_en_set(self, 0U);
rdm_rdm_intr_moder_en_set(self, 1U);
PHAL_ATLANTIC_B0->itr_tx = 2U;
PHAL_ATLANTIC_B0->itr_rx = 2U;
if (self->aq_nic_cfg->itr != 0xFFFFU) {
unsigned int max_timer = self->aq_nic_cfg->itr / 2U;
unsigned int min_timer = self->aq_nic_cfg->itr / 32U;
max_timer = min(0x1FFU, max_timer);
min_timer = min(0xFFU, min_timer);
PHAL_ATLANTIC_B0->itr_tx |= min_timer << 0x8U;
PHAL_ATLANTIC_B0->itr_tx |= max_timer << 0x10U;
PHAL_ATLANTIC_B0->itr_rx |= min_timer << 0x8U;
PHAL_ATLANTIC_B0->itr_rx |= max_timer << 0x10U;
} else {
static unsigned int hw_atl_b0_timers_table_tx_[][2] = {
{0xffU, 0xffU}, /* 10Gbit */
{0xffU, 0x1ffU}, /* 5Gbit */
{0xffU, 0x1ffU}, /* 5Gbit 5GS */
{0xffU, 0x1ffU}, /* 2.5Gbit */
{0xffU, 0x1ffU}, /* 1Gbit */
{0xffU, 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);
PHAL_ATLANTIC_B0->itr_tx |=
hw_atl_b0_timers_table_tx_[speed_index]
[0] << 0x8U; /* set min timer value */
PHAL_ATLANTIC_B0->itr_tx |=
hw_atl_b0_timers_table_tx_[speed_index]
[1] << 0x10U; /* set max timer value */
PHAL_ATLANTIC_B0->itr_rx |=
hw_atl_b0_timers_table_rx_[speed_index]
[0] << 0x8U; /* set min timer value */
PHAL_ATLANTIC_B0->itr_rx |=
hw_atl_b0_timers_table_rx_[speed_index]
[1] << 0x10U; /* set max timer value */
}
} else {
tdm_tx_desc_wr_wb_irq_en_set(self, 1U);
tdm_tdm_intr_moder_en_set(self, 0U);
rdm_rx_desc_wr_wb_irq_en_set(self, 1U);
rdm_rdm_intr_moder_en_set(self, 0U);
PHAL_ATLANTIC_B0->itr_tx = 0U;
PHAL_ATLANTIC_B0->itr_rx = 0U;
}
for (i = HW_ATL_B0_RINGS_MAX; i--;) {
reg_tx_intr_moder_ctrl_set(self,
PHAL_ATLANTIC_B0->itr_tx, i);
reg_rx_intr_moder_ctrl_set(self,
PHAL_ATLANTIC_B0->itr_rx, i);
}
return aq_hw_err_from_flags(self);
}
static int hw_atl_b0_hw_stop(struct aq_hw_s *self)
{
hw_atl_b0_hw_irq_disable(self, HW_ATL_B0_INT_MASK);
return aq_hw_err_from_flags(self);
}
static int hw_atl_b0_hw_ring_tx_stop(struct aq_hw_s *self,
struct aq_ring_s *ring)
{
tdm_tx_desc_en_set(self, 0U, ring->idx);
return aq_hw_err_from_flags(self);
}
static int hw_atl_b0_hw_ring_rx_stop(struct aq_hw_s *self,
struct aq_ring_s *ring)
{
rdm_rx_desc_en_set(self, 0U, ring->idx);
return aq_hw_err_from_flags(self);
}
static int hw_atl_b0_hw_set_speed(struct aq_hw_s *self, u32 speed)
{
int err = 0;
err = hw_atl_utils_mpi_set_speed(self, speed, MPI_INIT);
if (err < 0)
goto err_exit;
err_exit:
return err;
}
static struct aq_hw_ops hw_atl_ops_ = {
.create = hw_atl_b0_create,
.destroy = hw_atl_b0_destroy,
.get_hw_caps = hw_atl_b0_get_hw_caps,
.hw_get_mac_permanent = hw_atl_utils_get_mac_permanent,
.hw_set_mac_address = hw_atl_b0_hw_mac_addr_set,
.hw_get_link_status = hw_atl_utils_mpi_get_link_status,
.hw_set_link_speed = hw_atl_b0_hw_set_speed,
.hw_init = hw_atl_b0_hw_init,
.hw_deinit = hw_atl_utils_hw_deinit,
.hw_set_power = hw_atl_utils_hw_set_power,
.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_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_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,
};
struct aq_hw_ops *hw_atl_b0_get_ops_by_id(struct pci_dev *pdev)
{
bool is_vid_ok = (pdev->vendor == PCI_VENDOR_ID_AQUANTIA);
bool is_did_ok = ((pdev->device == HW_ATL_DEVICE_ID_0001) ||
(pdev->device == HW_ATL_DEVICE_ID_D100) ||
(pdev->device == HW_ATL_DEVICE_ID_D107) ||
(pdev->device == HW_ATL_DEVICE_ID_D108) ||
(pdev->device == HW_ATL_DEVICE_ID_D109));
bool is_rev_ok = (pdev->revision == 2U);
return (is_vid_ok && is_did_ok && is_rev_ok) ? &hw_atl_ops_ : NULL;
}
