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path: root/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
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Diffstat (limited to 'drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c')
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c115
1 files changed, 66 insertions, 49 deletions
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
index b31dba1b1a55..13ac2661a473 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* 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. */
@@ -259,13 +256,18 @@ static int hw_atl_b0_hw_offload_set(struct aq_hw_s *self,
hw_atl_rpo_lro_time_base_divider_set(self, 0x61AU);
hw_atl_rpo_lro_inactive_interval_set(self, 0);
- hw_atl_rpo_lro_max_coalescing_interval_set(self, 2);
+ /* 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, 0U);
+ hw_atl_rpo_lro_patch_optimization_en_set(self, 1U);
hw_atl_rpo_lro_min_pay_of_first_pkt_set(self, 10U);
@@ -273,6 +275,10 @@ static int hw_atl_b0_hw_offload_set(struct aq_hw_s *self,
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);
}
@@ -378,10 +384,10 @@ err_exit:
static int hw_atl_b0_hw_init(struct aq_hw_s *self, 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 */
+ [AQ_HW_IRQ_INVALID] = { 0x20000000U, 0x20000000U },
+ [AQ_HW_IRQ_LEGACY] = { 0x20000080U, 0x20000080U },
+ [AQ_HW_IRQ_MSI] = { 0x20000021U, 0x20000025U },
+ [AQ_HW_IRQ_MSIX] = { 0x20000022U, 0x20000026U },
};
int err = 0;
@@ -433,6 +439,11 @@ static int hw_atl_b0_hw_init(struct aq_hw_s *self, u8 *mac_addr)
((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:
@@ -654,8 +665,6 @@ err_exit:
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;
@@ -697,43 +706,44 @@ static int hw_atl_b0_hw_ring_rx_receive(struct aq_hw_s *self,
buff->is_cso_err = 0U;
}
- dma_unmap_page(ndev, buff->pa, buff->len, DMA_FROM_DEVICE);
-
if ((rx_stat & BIT(0)) || rxd_wb->type & 0x1000U) {
/* MAC 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 (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;
+ 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 {
+ buff->len =
+ rxd_wb->pkt_len > AQ_CFG_RX_FRAME_MAX ?
+ AQ_CFG_RX_FRAME_MAX : rxd_wb->pkt_len;
+
+ 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 {
- 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;
- }
+ /* jumbo */
+ buff->next =
+ aq_ring_next_dx(ring,
+ ring->hw_head);
+ ++ring->stats.rx.jumbo_packets;
}
}
}
@@ -768,8 +778,15 @@ static int hw_atl_b0_hw_packet_filter_set(struct aq_hw_s *self,
unsigned int packet_filter)
{
unsigned int i = 0U;
+ struct aq_nic_cfg_s *cfg = self->aq_nic_cfg;
+
+ hw_atl_rpfl2promiscuous_mode_en_set(self,
+ IS_FILTER_ENABLED(IFF_PROMISC));
+
+ hw_atl_rpf_vlan_prom_mode_en_set(self,
+ IS_FILTER_ENABLED(IFF_PROMISC) ||
+ cfg->is_vlan_force_promisc);
- hw_atl_rpfl2promiscuous_mode_en_set(self, IS_FILTER_ENABLED(IFF_PROMISC));
hw_atl_rpfl2multicast_flr_en_set(self,
IS_FILTER_ENABLED(IFF_ALLMULTI), 0);
@@ -778,13 +795,13 @@ static int hw_atl_b0_hw_packet_filter_set(struct aq_hw_s *self,
hw_atl_rpfl2broadcast_en_set(self, IS_FILTER_ENABLED(IFF_BROADCAST));
- self->aq_nic_cfg->is_mc_list_enabled = IS_FILTER_ENABLED(IFF_MULTICAST);
+ cfg->is_mc_list_enabled = IS_FILTER_ENABLED(IFF_MULTICAST);
for (i = HW_ATL_B0_MAC_MIN; i < HW_ATL_B0_MAC_MAX; ++i)
hw_atl_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);
+ (cfg->is_mc_list_enabled &&
+ (i <= cfg->mc_list_count)) ?
+ 1U : 0U, i);
return aq_hw_err_from_flags(self);
}
@@ -1076,7 +1093,7 @@ static int hw_atl_b0_hw_vlan_set(struct aq_hw_s *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);
+ hw_atl_rpf_vlan_prom_mode_en_set(self, !enable);
return aq_hw_err_from_flags(self);
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.