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-rw-r--r--drivers/net/ethernet/broadcom/bcmsysport.c61
-rw-r--r--drivers/net/ethernet/broadcom/bcmsysport.h1
2 files changed, 8 insertions, 54 deletions
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index 4e26f606a7f2..1e52bb7d822e 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -15,7 +15,6 @@
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/netdevice.h>
-#include <linux/net_dim.h>
#include <linux/etherdevice.h>
#include <linux/platform_device.h>
#include <linux/of.h>
@@ -588,7 +587,8 @@ static void bcm_sysport_set_rx_coalesce(struct bcm_sysport_priv *priv)
rdma_writel(priv, reg, RDMA_MBDONE_INTR);
}
-static void bcm_sysport_set_tx_coalesce(struct bcm_sysport_tx_ring *ring)
+static void bcm_sysport_set_tx_coalesce(struct bcm_sysport_tx_ring *ring,
+ struct ethtool_coalesce *ec)
{
struct bcm_sysport_priv *priv = ring->priv;
u32 reg;
@@ -596,8 +596,8 @@ static void bcm_sysport_set_tx_coalesce(struct bcm_sysport_tx_ring *ring)
reg = tdma_readl(priv, TDMA_DESC_RING_INTR_CONTROL(ring->index));
reg &= ~(RING_INTR_THRESH_MASK |
RING_TIMEOUT_MASK << RING_TIMEOUT_SHIFT);
- reg |= ring->dim.coal_pkts;
- reg |= DIV_ROUND_UP(ring->dim.coal_usecs * 1000, 8192) <<
+ reg |= ec->tx_max_coalesced_frames;
+ reg |= DIV_ROUND_UP(ec->tx_coalesce_usecs * 1000, 8192) <<
RING_TIMEOUT_SHIFT;
tdma_writel(priv, reg, TDMA_DESC_RING_INTR_CONTROL(ring->index));
}
@@ -606,18 +606,12 @@ static int bcm_sysport_get_coalesce(struct net_device *dev,
struct ethtool_coalesce *ec)
{
struct bcm_sysport_priv *priv = netdev_priv(dev);
- struct bcm_sysport_tx_ring *ring;
- unsigned int i;
u32 reg;
reg = tdma_readl(priv, TDMA_DESC_RING_INTR_CONTROL(0));
ec->tx_coalesce_usecs = (reg >> RING_TIMEOUT_SHIFT) * 8192 / 1000;
ec->tx_max_coalesced_frames = reg & RING_INTR_THRESH_MASK;
- for (i = 0; i < dev->num_tx_queues; i++) {
- ring = &priv->tx_rings[i];
- ec->use_adaptive_tx_coalesce |= ring->dim.use_dim;
- }
reg = rdma_readl(priv, RDMA_MBDONE_INTR);
@@ -632,7 +626,6 @@ static int bcm_sysport_set_coalesce(struct net_device *dev,
struct ethtool_coalesce *ec)
{
struct bcm_sysport_priv *priv = netdev_priv(dev);
- struct bcm_sysport_tx_ring *ring;
unsigned int i;
/* Base system clock is 125Mhz, DMA timeout is this reference clock
@@ -646,20 +639,12 @@ static int bcm_sysport_set_coalesce(struct net_device *dev,
return -EINVAL;
if ((ec->tx_coalesce_usecs == 0 && ec->tx_max_coalesced_frames == 0) ||
- (ec->rx_coalesce_usecs == 0 && ec->rx_max_coalesced_frames == 0))
+ (ec->rx_coalesce_usecs == 0 && ec->rx_max_coalesced_frames == 0) ||
+ ec->use_adaptive_tx_coalesce)
return -EINVAL;
- for (i = 0; i < dev->num_tx_queues; i++) {
- ring = &priv->tx_rings[i];
- ring->dim.coal_pkts = ec->tx_max_coalesced_frames;
- ring->dim.coal_usecs = ec->tx_coalesce_usecs;
- if (!ec->use_adaptive_tx_coalesce && ring->dim.use_dim) {
- ring->dim.coal_pkts = 1;
- ring->dim.coal_usecs = 0;
- }
- ring->dim.use_dim = ec->use_adaptive_tx_coalesce;
- bcm_sysport_set_tx_coalesce(ring);
- }
+ for (i = 0; i < dev->num_tx_queues; i++)
+ bcm_sysport_set_tx_coalesce(&priv->tx_rings[i], ec);
priv->dim.coal_usecs = ec->rx_coalesce_usecs;
priv->dim.coal_pkts = ec->rx_max_coalesced_frames;
@@ -940,8 +925,6 @@ static unsigned int __bcm_sysport_tx_reclaim(struct bcm_sysport_priv *priv,
ring->packets += pkts_compl;
ring->bytes += bytes_compl;
u64_stats_update_end(&priv->syncp);
- ring->dim.packets = pkts_compl;
- ring->dim.bytes = bytes_compl;
ring->c_index = c_index;
@@ -987,7 +970,6 @@ static int bcm_sysport_tx_poll(struct napi_struct *napi, int budget)
{
struct bcm_sysport_tx_ring *ring =
container_of(napi, struct bcm_sysport_tx_ring, napi);
- struct net_dim_sample dim_sample;
unsigned int work_done = 0;
work_done = bcm_sysport_tx_reclaim(ring->priv, ring);
@@ -1004,12 +986,6 @@ static int bcm_sysport_tx_poll(struct napi_struct *napi, int budget)
return 0;
}
- if (ring->dim.use_dim) {
- net_dim_sample(ring->dim.event_ctr, ring->dim.packets,
- ring->dim.bytes, &dim_sample);
- net_dim(&ring->dim.dim, dim_sample);
- }
-
return budget;
}
@@ -1089,23 +1065,6 @@ static void bcm_sysport_dim_work(struct work_struct *work)
dim->state = NET_DIM_START_MEASURE;
}
-static void bcm_sysport_dim_tx_work(struct work_struct *work)
-{
- struct net_dim *dim = container_of(work, struct net_dim, work);
- struct bcm_sysport_net_dim *ndim =
- container_of(dim, struct bcm_sysport_net_dim, dim);
- struct bcm_sysport_tx_ring *ring =
- container_of(ndim, struct bcm_sysport_tx_ring, dim);
- struct net_dim_cq_moder cur_profile =
- net_dim_get_profile(dim->mode, dim->profile_ix);
-
- ring->dim.coal_usecs = cur_profile.usec;
- ring->dim.coal_pkts = cur_profile.pkts;
-
- bcm_sysport_set_tx_coalesce(ring);
- dim->state = NET_DIM_START_MEASURE;
-}
-
/* RX and misc interrupt routine */
static irqreturn_t bcm_sysport_rx_isr(int irq, void *dev_id)
{
@@ -1152,7 +1111,6 @@ static irqreturn_t bcm_sysport_rx_isr(int irq, void *dev_id)
continue;
txr = &priv->tx_rings[ring];
- txr->dim.event_ctr++;
if (likely(napi_schedule_prep(&txr->napi))) {
intrl2_0_mask_set(priv, ring_bit);
@@ -1185,7 +1143,6 @@ static irqreturn_t bcm_sysport_tx_isr(int irq, void *dev_id)
continue;
txr = &priv->tx_rings[ring];
- txr->dim.event_ctr++;
if (likely(napi_schedule_prep(&txr->napi))) {
intrl2_1_mask_set(priv, BIT(ring));
@@ -1551,7 +1508,6 @@ static int bcm_sysport_init_tx_ring(struct bcm_sysport_priv *priv,
reg |= (1 << index);
tdma_writel(priv, reg, TDMA_TIER1_ARB_0_QUEUE_EN);
- bcm_sysport_init_dim(&ring->dim, bcm_sysport_dim_tx_work);
napi_enable(&ring->napi);
netif_dbg(priv, hw, priv->netdev,
@@ -1582,7 +1538,6 @@ static void bcm_sysport_fini_tx_ring(struct bcm_sysport_priv *priv,
return;
napi_disable(&ring->napi);
- cancel_work_sync(&ring->dim.dim.work);
netif_napi_del(&ring->napi);
bcm_sysport_tx_clean(priv, ring);
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.h b/drivers/net/ethernet/broadcom/bcmsysport.h
index e1c97d4a82b4..57e18ef8f206 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.h
+++ b/drivers/net/ethernet/broadcom/bcmsysport.h
@@ -723,7 +723,6 @@ struct bcm_sysport_tx_ring {
struct bcm_sysport_priv *priv; /* private context backpointer */
unsigned long packets; /* packets statistics */
unsigned long bytes; /* bytes statistics */
- struct bcm_sysport_net_dim dim; /* Net DIM context */
unsigned int switch_queue; /* switch port queue number */
unsigned int switch_port; /* switch port queue number */
bool inspect; /* inspect switch port and queue */
generated by cgit v1.2.3 (git 2.39.0) at 2025-08-04 22:21:36 +0300