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Message-ID: <20200430080445.1142-18-irusskikh@marvell.com>
Date: Thu, 30 Apr 2020 11:04:45 +0300
From: Igor Russkikh <irusskikh@...vell.com>
To: <netdev@...r.kernel.org>
CC: "David S . Miller" <davem@...emloft.net>,
Mark Starovoytov <mstarovoitov@...vell.com>,
Igor Russkikh <irusskikh@...vell.com>
Subject: [PATCH v2 net-next 17/17] net: atlantic: A2 ingress / egress hw configuration
Chip generations are mostly compatible register-wise, but there are still
some differences. Therefore we've made some of first generation (A1) code
non-static to re-use it where possible.
Some pieces are A2 specific, in which case we redefine/extend such APIs.
Signed-off-by: Igor Russkikh <irusskikh@...vell.com>
Signed-off-by: Mark Starovoytov <mstarovoitov@...vell.com>
---
.../aquantia/atlantic/hw_atl/hw_atl_b0.c | 54 +++---
.../aquantia/atlantic/hw_atl/hw_atl_b0.h | 23 +++
.../aquantia/atlantic/hw_atl2/hw_atl2.c | 176 ++++++++++--------
.../atlantic/hw_atl2/hw_atl2_internal.h | 3 +
.../aquantia/atlantic/hw_atl2/hw_atl2_llh.c | 8 +
.../aquantia/atlantic/hw_atl2/hw_atl2_llh.h | 5 +
.../atlantic/hw_atl2/hw_atl2_llh_internal.h | 8 +
7 files changed, 172 insertions(+), 105 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 c46199f14ec4..cbb7a00d61b4 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
@@ -251,9 +251,10 @@ int hw_atl_b0_hw_rss_set(struct aq_hw_s *self,
return err;
}
-static int hw_atl_b0_hw_offload_set(struct aq_hw_s *self,
- struct aq_nic_cfg_s *aq_nic_cfg)
+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*/
@@ -261,10 +262,8 @@ static int hw_atl_b0_hw_offload_set(struct aq_hw_s *self,
hw_atl_tpo_tcp_udp_crc_offload_en_set(self, 1);
/* RX checksums offloads*/
- hw_atl_rpo_ipv4header_crc_offload_en_set(self, !!(aq_nic_cfg->features &
- NETIF_F_RXCSUM));
- hw_atl_rpo_tcp_udp_crc_offload_en_set(self, !!(aq_nic_cfg->features &
- NETIF_F_RXCSUM));
+ 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);
@@ -272,7 +271,7 @@ static int hw_atl_b0_hw_offload_set(struct aq_hw_s *self,
/* Outer VLAN tag offload */
hw_atl_rpo_outer_vlan_tag_mode_set(self, 1U);
-/* LRO offloads */
+ /* LRO offloads */
{
unsigned int val = (8U < HW_ATL_B0_LRO_RXD_MAX) ? 0x3U :
((4U < HW_ATL_B0_LRO_RXD_MAX) ? 0x2U :
@@ -384,7 +383,7 @@ static int hw_atl_b0_hw_init_rx_path(struct aq_hw_s *self)
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 hw_atl_b0_hw_mac_addr_set(struct aq_hw_s *self, u8 *mac_addr)
{
unsigned int h = 0U;
unsigned int l = 0U;
@@ -479,16 +478,14 @@ static int hw_atl_b0_hw_init(struct aq_hw_s *self, u8 *mac_addr)
return err;
}
-static int hw_atl_b0_hw_ring_tx_start(struct aq_hw_s *self,
- struct aq_ring_s *ring)
+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);
}
-static int hw_atl_b0_hw_ring_rx_start(struct aq_hw_s *self,
- struct aq_ring_s *ring)
+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);
@@ -511,9 +508,8 @@ static int hw_atl_b0_hw_tx_ring_tail_update(struct aq_hw_s *self,
return 0;
}
-static int hw_atl_b0_hw_ring_tx_xmit(struct aq_hw_s *self,
- struct aq_ring_s *ring,
- unsigned int frags)
+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;
@@ -600,9 +596,8 @@ static int hw_atl_b0_hw_ring_tx_xmit(struct aq_hw_s *self,
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)
+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;
@@ -643,9 +638,8 @@ static int hw_atl_b0_hw_ring_rx_init(struct aq_hw_s *self,
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)
+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;
@@ -673,9 +667,8 @@ static int hw_atl_b0_hw_ring_tx_init(struct aq_hw_s *self,
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)
+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)) {
@@ -734,8 +727,8 @@ static int hw_atl_b0_hw_ring_hwts_rx_receive(struct aq_hw_s *self,
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 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;
@@ -753,8 +746,7 @@ static int hw_atl_b0_hw_ring_tx_head_update(struct aq_hw_s *self,
return err;
}
-static int hw_atl_b0_hw_ring_rx_receive(struct aq_hw_s *self,
- struct aq_ring_s *ring)
+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)) {
@@ -1071,16 +1063,14 @@ static int hw_atl_b0_hw_stop(struct aq_hw_s *self)
return err;
}
-static int hw_atl_b0_hw_ring_tx_stop(struct aq_hw_s *self,
- struct aq_ring_s *ring)
+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);
}
-static int hw_atl_b0_hw_ring_rx_stop(struct aq_hw_s *self,
- struct aq_ring_s *ring)
+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);
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.h
index ea7136b06b32..f5091d79ab43 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.h
@@ -37,6 +37,29 @@ int hw_atl_b0_hw_rss_hash_set(struct aq_hw_s *self,
struct aq_rss_parameters *rss_params);
int hw_atl_b0_hw_rss_set(struct aq_hw_s *self,
struct aq_rss_parameters *rss_params);
+int hw_atl_b0_hw_offload_set(struct aq_hw_s *self,
+ struct aq_nic_cfg_s *aq_nic_cfg);
+
+int hw_atl_b0_hw_ring_tx_start(struct aq_hw_s *self, struct aq_ring_s *ring);
+int hw_atl_b0_hw_ring_rx_start(struct aq_hw_s *self, struct aq_ring_s *ring);
+
+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);
+int hw_atl_b0_hw_ring_rx_fill(struct aq_hw_s *self, struct aq_ring_s *ring,
+ unsigned int sw_tail_old);
+int hw_atl_b0_hw_ring_rx_receive(struct aq_hw_s *self, struct aq_ring_s *ring);
+
+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);
+int hw_atl_b0_hw_ring_tx_xmit(struct aq_hw_s *self, struct aq_ring_s *ring,
+ unsigned int frags);
+int hw_atl_b0_hw_ring_tx_head_update(struct aq_hw_s *self,
+ struct aq_ring_s *ring);
+
+int hw_atl_b0_hw_ring_tx_stop(struct aq_hw_s *self, struct aq_ring_s *ring);
+int hw_atl_b0_hw_ring_rx_stop(struct aq_hw_s *self, struct aq_ring_s *ring);
+
+int hw_atl_b0_hw_mac_addr_set(struct aq_hw_s *self, u8 *mac_addr);
int hw_atl_b0_hw_start(struct aq_hw_s *self);
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.c
index ad0b22b3c01f..04d194f754fa 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.c
@@ -5,6 +5,7 @@
#include "aq_hw.h"
#include "aq_hw_utils.h"
+#include "aq_ring.h"
#include "aq_nic.h"
#include "hw_atl/hw_atl_b0.h"
#include "hw_atl/hw_atl_utils.h"
@@ -174,12 +175,6 @@ static int hw_atl2_hw_rss_set(struct aq_hw_s *self,
return hw_atl_b0_hw_rss_set(self, rss_params);
}
-static int hw_atl2_hw_offload_set(struct aq_hw_s *self,
- struct aq_nic_cfg_s *aq_nic_cfg)
-{
- return -EOPNOTSUPP;
-}
-
static int hw_atl2_hw_init_tx_path(struct aq_hw_s *self)
{
/* Tx TC/RSS number config */
@@ -359,11 +354,6 @@ static int hw_atl2_hw_init_rx_path(struct aq_hw_s *self)
return aq_hw_err_from_flags(self);
}
-static int hw_atl2_hw_mac_addr_set(struct aq_hw_s *self, u8 *mac_addr)
-{
- return -EOPNOTSUPP;
-}
-
static int hw_atl2_hw_init(struct aq_hw_s *self, u8 *mac_addr)
{
static u32 aq_hw_atl2_igcr_table_[4][2] = {
@@ -390,7 +380,7 @@ static int hw_atl2_hw_init(struct aq_hw_s *self, u8 *mac_addr)
hw_atl2_hw_init_tx_path(self);
hw_atl2_hw_init_rx_path(self);
- hw_atl2_hw_mac_addr_set(self, mac_addr);
+ 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);
@@ -424,61 +414,24 @@ static int hw_atl2_hw_init(struct aq_hw_s *self, u8 *mac_addr)
((HW_ATL2_ERR_INT << 0x10) |
(1U << 0x17)), 0U);
- hw_atl2_hw_offload_set(self, aq_nic_cfg);
+ hw_atl_b0_hw_offload_set(self, aq_nic_cfg);
err_exit:
return err;
}
-static int hw_atl2_hw_ring_tx_start(struct aq_hw_s *self,
- struct aq_ring_s *ring)
-{
- return -EOPNOTSUPP;
-}
-
-static int hw_atl2_hw_ring_rx_start(struct aq_hw_s *self,
- struct aq_ring_s *ring)
-{
- return -EOPNOTSUPP;
-}
-
-static int hw_atl2_hw_ring_tx_xmit(struct aq_hw_s *self,
- struct aq_ring_s *ring,
- unsigned int frags)
-{
- return -EOPNOTSUPP;
-}
-
static int hw_atl2_hw_ring_rx_init(struct aq_hw_s *self,
struct aq_ring_s *aq_ring,
struct aq_ring_param_s *aq_ring_param)
{
- return -EOPNOTSUPP;
+ return hw_atl_b0_hw_ring_rx_init(self, aq_ring, aq_ring_param);
}
static int hw_atl2_hw_ring_tx_init(struct aq_hw_s *self,
struct aq_ring_s *aq_ring,
struct aq_ring_param_s *aq_ring_param)
{
- return -EOPNOTSUPP;
-}
-
-static int hw_atl2_hw_ring_rx_fill(struct aq_hw_s *self, struct aq_ring_s *ring,
- unsigned int sw_tail_old)
-{
- return -EOPNOTSUPP;
-}
-
-static int hw_atl2_hw_ring_tx_head_update(struct aq_hw_s *self,
- struct aq_ring_s *ring)
-{
- return -EOPNOTSUPP;
-}
-
-static int hw_atl2_hw_ring_rx_receive(struct aq_hw_s *self,
- struct aq_ring_s *ring)
-{
- return -EOPNOTSUPP;
+ return hw_atl_b0_hw_ring_tx_init(self, aq_ring, aq_ring_param);
}
#define IS_FILTER_ENABLED(_F_) ((packet_filter & (_F_)) ? 1U : 0U)
@@ -536,7 +489,94 @@ static int hw_atl2_hw_multicast_list_set(struct aq_hw_s *self,
static int hw_atl2_hw_interrupt_moderation_set(struct aq_hw_s *self)
{
- return -EOPNOTSUPP;
+ 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_ATL2_INTR_MODER_MAX,
+ tx_max_timer);
+ tx_min_timer = min(HW_ATL2_INTR_MODER_MIN,
+ tx_min_timer);
+ rx_max_timer = min(HW_ATL2_INTR_MODER_MAX,
+ rx_max_timer);
+ rx_min_timer = min(HW_ATL2_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_atl2_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_atl2_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 mbps = self->aq_link_status.mbps;
+ unsigned int speed_index;
+
+ speed_index = hw_atl_utils_mbps_2_speed_index(mbps);
+
+ /* Update user visible ITR settings */
+ self->aq_nic_cfg->tx_itr = hw_atl2_timers_table_tx_
+ [speed_index][1] * 2;
+ self->aq_nic_cfg->rx_itr = hw_atl2_timers_table_rx_
+ [speed_index][1] * 2;
+
+ itr_tx |= hw_atl2_timers_table_tx_
+ [speed_index][0] << 0x8U;
+ itr_tx |= hw_atl2_timers_table_tx_
+ [speed_index][1] << 0x10U;
+
+ itr_rx |= hw_atl2_timers_table_rx_
+ [speed_index][0] << 0x8U;
+ itr_rx |= hw_atl2_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_ATL2_RINGS_MAX; i--;) {
+ hw_atl2_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_atl2_hw_stop(struct aq_hw_s *self)
@@ -546,16 +586,6 @@ static int hw_atl2_hw_stop(struct aq_hw_s *self)
return 0;
}
-static int hw_atl2_hw_ring_tx_stop(struct aq_hw_s *self, struct aq_ring_s *ring)
-{
- return -EOPNOTSUPP;
-}
-
-static int hw_atl2_hw_ring_rx_stop(struct aq_hw_s *self, struct aq_ring_s *ring)
-{
- return -EOPNOTSUPP;
-}
-
static struct aq_stats_s *hw_atl2_utils_get_hw_stats(struct aq_hw_s *self)
{
return &self->curr_stats;
@@ -619,21 +649,21 @@ static int hw_atl2_hw_vlan_ctrl(struct aq_hw_s *self, bool enable)
const struct aq_hw_ops hw_atl2_ops = {
.hw_soft_reset = hw_atl2_utils_soft_reset,
.hw_prepare = hw_atl2_utils_initfw,
- .hw_set_mac_address = hw_atl2_hw_mac_addr_set,
+ .hw_set_mac_address = hw_atl_b0_hw_mac_addr_set,
.hw_init = hw_atl2_hw_init,
.hw_reset = hw_atl2_hw_reset,
.hw_start = hw_atl_b0_hw_start,
- .hw_ring_tx_start = hw_atl2_hw_ring_tx_start,
- .hw_ring_tx_stop = hw_atl2_hw_ring_tx_stop,
- .hw_ring_rx_start = hw_atl2_hw_ring_rx_start,
- .hw_ring_rx_stop = hw_atl2_hw_ring_rx_stop,
+ .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_atl2_hw_stop,
- .hw_ring_tx_xmit = hw_atl2_hw_ring_tx_xmit,
- .hw_ring_tx_head_update = hw_atl2_hw_ring_tx_head_update,
+ .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_atl2_hw_ring_rx_receive,
- .hw_ring_rx_fill = hw_atl2_hw_ring_rx_fill,
+ .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,
@@ -650,5 +680,5 @@ const struct aq_hw_ops hw_atl2_ops = {
.hw_rss_hash_set = hw_atl_b0_hw_rss_hash_set,
.hw_get_hw_stats = hw_atl2_utils_get_hw_stats,
.hw_get_fw_version = hw_atl2_utils_get_fw_version,
- .hw_set_offload = hw_atl2_hw_offload_set,
+ .hw_set_offload = hw_atl_b0_hw_offload_set,
};
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_internal.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_internal.h
index eb1243256730..e66b3583bfe9 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_internal.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_internal.h
@@ -34,6 +34,9 @@
#define HW_ATL2_TC_MAX 1U
#define HW_ATL2_RSS_MAX 8U
+#define HW_ATL2_INTR_MODER_MAX 0x1FF
+#define HW_ATL2_INTR_MODER_MIN 0xFF
+
#define HW_ATL2_MIN_RXD \
(ALIGN(AQ_CFG_SKB_FRAGS_MAX + 1U, AQ_HW_RXD_MULTIPLE))
#define HW_ATL2_MIN_TXD \
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_llh.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_llh.c
index af176e1e5a18..e779d70fde66 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_llh.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_llh.c
@@ -68,6 +68,14 @@ void hw_atl2_tpb_tx_buf_clk_gate_en_set(struct aq_hw_s *aq_hw, u32 clk_gate_en)
clk_gate_en);
}
+void hw_atl2_reg_tx_intr_moder_ctrl_set(struct aq_hw_s *aq_hw,
+ u32 tx_intr_moderation_ctl,
+ u32 queue)
+{
+ aq_hw_write_reg(aq_hw, HW_ATL2_TX_INTR_MODERATION_CTL_ADR(queue),
+ tx_intr_moderation_ctl);
+}
+
void hw_atl2_tps_tx_pkt_shed_tc_data_max_credit_set(struct aq_hw_s *aq_hw,
u32 max_credit,
u32 tc)
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_llh.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_llh.h
index 4acbbceb623f..8c6d78a64d42 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_llh.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_llh.h
@@ -10,6 +10,11 @@
struct aq_hw_s;
+/* Set TX Interrupt Moderation Control Register */
+void hw_atl2_reg_tx_intr_moder_ctrl_set(struct aq_hw_s *aq_hw,
+ u32 tx_intr_moderation_ctl,
+ u32 queue);
+
/** Set RSS HASH type */
void hw_atl2_rpf_rss_hash_type_set(struct aq_hw_s *aq_hw, u32 rss_hash_type);
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_llh_internal.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_llh_internal.h
index 14b78e090950..cde9e9d2836d 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_llh_internal.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_llh_internal.h
@@ -178,6 +178,14 @@
/* default value of bitfield data_tc{t}_weight[8:0] */
#define HW_ATL2_TPS_DATA_TCTWEIGHT_DEFAULT 0x0
+/* tx interrupt moderation control register definitions
+ * Preprocessor definitions for TX Interrupt Moderation Control Register
+ * Base Address: 0x00007c28
+ * Parameter: queue {Q} | stride size 0x4 | range [0, 31]
+ */
+
+#define HW_ATL2_TX_INTR_MODERATION_CTL_ADR(queue) (0x00007c28u + (queue) * 0x40)
+
/* Launch time control register */
#define HW_ATL2_LT_CTRL_ADR 0x00007a1c
--
2.20.1
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