enoch/armbian-build
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

rockchip: workaround stmmac ethernet lock contemption

Browse Source
This commit is contained in:
Paolo Sabatino 2024-02-06 20:46:14 +01:00 committed by Igor
parent ea4dcdffb9
commit 7c062f7dae
2 changed files with 80 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
patch/kernel/archive/rockchip-6.6/hack-barrier-stmmac.patch Normal file
View File

@ -0,0 +1,40 @@
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 292857c0e601..4417b10da438 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -6952,7 +6952,6 @@ static void stmmac_get_stats64(struct net_device *dev, struct rtnl_link_stats64
struct stmmac_priv *priv = netdev_priv(dev);
u32 tx_cnt = priv->plat->tx_queues_to_use;
u32 rx_cnt = priv->plat->rx_queues_to_use;
- unsigned int start;
int q;
for (q = 0; q < tx_cnt; q++) {
@@ -6960,11 +6959,8 @@ static void stmmac_get_stats64(struct net_device *dev, struct rtnl_link_stats64
u64 tx_packets;
u64 tx_bytes;
- do {
- start = u64_stats_fetch_begin(&txq_stats->syncp);
- tx_packets = txq_stats->tx_packets;
- tx_bytes = txq_stats->tx_bytes;
- } while (u64_stats_fetch_retry(&txq_stats->syncp, start));
+ tx_packets = txq_stats->tx_packets;
+ tx_bytes = txq_stats->tx_bytes;
stats->tx_packets += tx_packets;
stats->tx_bytes += tx_bytes;
@@ -6975,11 +6971,8 @@ static void stmmac_get_stats64(struct net_device *dev, struct rtnl_link_stats64
u64 rx_packets;
u64 rx_bytes;
- do {
- start = u64_stats_fetch_begin(&rxq_stats->syncp);
- rx_packets = rxq_stats->rx_packets;
- rx_bytes = rxq_stats->rx_bytes;
- } while (u64_stats_fetch_retry(&rxq_stats->syncp, start));
+ rx_packets = rxq_stats->rx_packets;
+ rx_bytes = rxq_stats->rx_bytes;
stats->rx_packets += rx_packets;
stats->rx_bytes += rx_bytes;

40
patch/kernel/archive/rockchip-6.7/hack-barrier-stmmac.patch Normal file
View File

@ -0,0 +1,40 @@
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 292857c0e601..4417b10da438 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -6952,7 +6952,6 @@ static void stmmac_get_stats64(struct net_device *dev, struct rtnl_link_stats64
struct stmmac_priv *priv = netdev_priv(dev);
u32 tx_cnt = priv->plat->tx_queues_to_use;
u32 rx_cnt = priv->plat->rx_queues_to_use;
- unsigned int start;
int q;
for (q = 0; q < tx_cnt; q++) {
@@ -6960,11 +6959,8 @@ static void stmmac_get_stats64(struct net_device *dev, struct rtnl_link_stats64
u64 tx_packets;
u64 tx_bytes;
- do {
- start = u64_stats_fetch_begin(&txq_stats->syncp);
- tx_packets = txq_stats->tx_packets;
- tx_bytes = txq_stats->tx_bytes;
- } while (u64_stats_fetch_retry(&txq_stats->syncp, start));
+ tx_packets = txq_stats->tx_packets;
+ tx_bytes = txq_stats->tx_bytes;
stats->tx_packets += tx_packets;
stats->tx_bytes += tx_bytes;
@@ -6975,11 +6971,8 @@ static void stmmac_get_stats64(struct net_device *dev, struct rtnl_link_stats64
u64 rx_packets;
u64 rx_bytes;
- do {
- start = u64_stats_fetch_begin(&rxq_stats->syncp);
- rx_packets = rxq_stats->rx_packets;
- rx_bytes = rxq_stats->rx_bytes;
- } while (u64_stats_fetch_retry(&rxq_stats->syncp, start));
+ rx_packets = rxq_stats->rx_packets;
+ rx_bytes = rxq_stats->rx_bytes;
stats->rx_packets += rx_packets;
stats->rx_bytes += rx_bytes;