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-rw-r--r--drivers/net/ethernet/intel/e1000e/e1000.h6
-rw-r--r--drivers/net/ethernet/intel/e1000e/netdev.c26
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c164
3 files changed, 112 insertions, 84 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h
index 86cdd4793992..b83897f76ee3 100644
--- a/drivers/net/ethernet/intel/e1000e/e1000.h
+++ b/drivers/net/ethernet/intel/e1000e/e1000.h
@@ -161,6 +161,12 @@ struct e1000_info;
/* Time to wait before putting the device into D3 if there's no link (in ms). */
#define LINK_TIMEOUT 100
+/*
+ * Count for polling __E1000_RESET condition every 10-20msec.
+ * Experimentation has shown the reset can take approximately 210msec.
+ */
+#define E1000_CHECK_RESET_COUNT 25
+
#define DEFAULT_RDTR 0
#define DEFAULT_RADV 8
#define BURST_RDTR 0x20
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 2c38a65ade87..19ab2154802c 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -1059,6 +1059,13 @@ static void e1000_print_hw_hang(struct work_struct *work)
ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD);
/* execute the writes immediately */
e1e_flush();
+ /*
+ * Due to rare timing issues, write to TIDV again to ensure
+ * the write is successful
+ */
+ ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD);
+ /* execute the writes immediately */
+ e1e_flush();
adapter->tx_hang_recheck = true;
return;
}
@@ -3616,6 +3623,16 @@ static void e1000e_flush_descriptors(struct e1000_adapter *adapter)
/* execute the writes immediately */
e1e_flush();
+
+ /*
+ * due to rare timing issues, write to TIDV/RDTR again to ensure the
+ * write is successful
+ */
+ ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD);
+ ew32(RDTR, adapter->rx_int_delay | E1000_RDTR_FPD);
+
+ /* execute the writes immediately */
+ e1e_flush();
}
static void e1000e_update_stats(struct e1000_adapter *adapter);
@@ -3968,6 +3985,10 @@ static int e1000_close(struct net_device *netdev)
{
struct e1000_adapter *adapter = netdev_priv(netdev);
struct pci_dev *pdev = adapter->pdev;
+ int count = E1000_CHECK_RESET_COUNT;
+
+ while (test_bit(__E1000_RESETTING, &adapter->state) && count--)
+ usleep_range(10000, 20000);
WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
@@ -5472,6 +5493,11 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake,
netif_device_detach(netdev);
if (netif_running(netdev)) {
+ int count = E1000_CHECK_RESET_COUNT;
+
+ while (test_bit(__E1000_RESETTING, &adapter->state) && count--)
+ usleep_range(10000, 20000);
+
WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
e1000e_down(adapter);
e1000_free_irq(adapter);
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c
index dde65f951400..652e4b09546d 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c
@@ -44,62 +44,94 @@
#define DCB_NO_HW_CHG 1 /* DCB configuration did not change */
#define DCB_HW_CHG 2 /* DCB configuration changed, no reset */
-int ixgbe_copy_dcb_cfg(struct ixgbe_dcb_config *src_dcb_cfg,
- struct ixgbe_dcb_config *dst_dcb_cfg, int tc_max)
+int ixgbe_copy_dcb_cfg(struct ixgbe_dcb_config *scfg,
+ struct ixgbe_dcb_config *dcfg, int tc_max)
{
- struct tc_configuration *src_tc_cfg = NULL;
- struct tc_configuration *dst_tc_cfg = NULL;
- int i;
+ struct tc_configuration *src = NULL;
+ struct tc_configuration *dst = NULL;
+ int i, j;
+ int tx = DCB_TX_CONFIG;
+ int rx = DCB_RX_CONFIG;
+ int changes = 0;
- if (!src_dcb_cfg || !dst_dcb_cfg)
- return -EINVAL;
+ if (!scfg || !dcfg)
+ return changes;
for (i = DCB_PG_ATTR_TC_0; i < tc_max + DCB_PG_ATTR_TC_0; i++) {
- src_tc_cfg = &src_dcb_cfg->tc_config[i - DCB_PG_ATTR_TC_0];
- dst_tc_cfg = &dst_dcb_cfg->tc_config[i - DCB_PG_ATTR_TC_0];
+ src = &scfg->tc_config[i - DCB_PG_ATTR_TC_0];
+ dst = &dcfg->tc_config[i - DCB_PG_ATTR_TC_0];
- dst_tc_cfg->path[DCB_TX_CONFIG].prio_type =
- src_tc_cfg->path[DCB_TX_CONFIG].prio_type;
+ if (dst->path[tx].prio_type != src->path[tx].prio_type) {
+ dst->path[tx].prio_type = src->path[tx].prio_type;
+ changes |= BIT_PG_TX;
+ }
- dst_tc_cfg->path[DCB_TX_CONFIG].bwg_id =
- src_tc_cfg->path[DCB_TX_CONFIG].bwg_id;
+ if (dst->path[tx].bwg_id != src->path[tx].bwg_id) {
+ dst->path[tx].bwg_id = src->path[tx].bwg_id;
+ changes |= BIT_PG_TX;
+ }
- dst_tc_cfg->path[DCB_TX_CONFIG].bwg_percent =
- src_tc_cfg->path[DCB_TX_CONFIG].bwg_percent;
+ if (dst->path[tx].bwg_percent != src->path[tx].bwg_percent) {
+ dst->path[tx].bwg_percent = src->path[tx].bwg_percent;
+ changes |= BIT_PG_TX;
+ }
- dst_tc_cfg->path[DCB_TX_CONFIG].up_to_tc_bitmap =
- src_tc_cfg->path[DCB_TX_CONFIG].up_to_tc_bitmap;
+ if (dst->path[tx].up_to_tc_bitmap !=
+ src->path[tx].up_to_tc_bitmap) {
+ dst->path[tx].up_to_tc_bitmap =
+ src->path[tx].up_to_tc_bitmap;
+ changes |= (BIT_PG_TX | BIT_PFC | BIT_APP_UPCHG);
+ }
- dst_tc_cfg->path[DCB_RX_CONFIG].prio_type =
- src_tc_cfg->path[DCB_RX_CONFIG].prio_type;
+ if (dst->path[rx].prio_type != src->path[rx].prio_type) {
+ dst->path[rx].prio_type = src->path[rx].prio_type;
+ changes |= BIT_PG_RX;
+ }
- dst_tc_cfg->path[DCB_RX_CONFIG].bwg_id =
- src_tc_cfg->path[DCB_RX_CONFIG].bwg_id;
+ if (dst->path[rx].bwg_id != src->path[rx].bwg_id) {
+ dst->path[rx].bwg_id = src->path[rx].bwg_id;
+ changes |= BIT_PG_RX;
+ }
- dst_tc_cfg->path[DCB_RX_CONFIG].bwg_percent =
- src_tc_cfg->path[DCB_RX_CONFIG].bwg_percent;
+ if (dst->path[rx].bwg_percent != src->path[rx].bwg_percent) {
+ dst->path[rx].bwg_percent = src->path[rx].bwg_percent;
+ changes |= BIT_PG_RX;
+ }
- dst_tc_cfg->path[DCB_RX_CONFIG].up_to_tc_bitmap =
- src_tc_cfg->path[DCB_RX_CONFIG].up_to_tc_bitmap;
+ if (dst->path[rx].up_to_tc_bitmap !=
+ src->path[rx].up_to_tc_bitmap) {
+ dst->path[rx].up_to_tc_bitmap =
+ src->path[rx].up_to_tc_bitmap;
+ changes |= (BIT_PG_RX | BIT_PFC | BIT_APP_UPCHG);
+ }
}
for (i = DCB_PG_ATTR_BW_ID_0; i < DCB_PG_ATTR_BW_ID_MAX; i++) {
- dst_dcb_cfg->bw_percentage[DCB_TX_CONFIG]
- [i-DCB_PG_ATTR_BW_ID_0] = src_dcb_cfg->bw_percentage
- [DCB_TX_CONFIG][i-DCB_PG_ATTR_BW_ID_0];
- dst_dcb_cfg->bw_percentage[DCB_RX_CONFIG]
- [i-DCB_PG_ATTR_BW_ID_0] = src_dcb_cfg->bw_percentage
- [DCB_RX_CONFIG][i-DCB_PG_ATTR_BW_ID_0];
+ j = i - DCB_PG_ATTR_BW_ID_0;
+ if (dcfg->bw_percentage[tx][j] != scfg->bw_percentage[tx][j]) {
+ dcfg->bw_percentage[tx][j] = scfg->bw_percentage[tx][j];
+ changes |= BIT_PG_TX;
+ }
+ if (dcfg->bw_percentage[rx][j] != scfg->bw_percentage[rx][j]) {
+ dcfg->bw_percentage[rx][j] = scfg->bw_percentage[rx][j];
+ changes |= BIT_PG_RX;
+ }
}
for (i = DCB_PFC_UP_ATTR_0; i < DCB_PFC_UP_ATTR_MAX; i++) {
- dst_dcb_cfg->tc_config[i - DCB_PFC_UP_ATTR_0].dcb_pfc =
- src_dcb_cfg->tc_config[i - DCB_PFC_UP_ATTR_0].dcb_pfc;
+ j = i - DCB_PFC_UP_ATTR_0;
+ if (dcfg->tc_config[j].dcb_pfc != scfg->tc_config[j].dcb_pfc) {
+ dcfg->tc_config[j].dcb_pfc = scfg->tc_config[j].dcb_pfc;
+ changes |= BIT_PFC;
+ }
}
- dst_dcb_cfg->pfc_mode_enable = src_dcb_cfg->pfc_mode_enable;
+ if (dcfg->pfc_mode_enable != scfg->pfc_mode_enable) {
+ dcfg->pfc_mode_enable = scfg->pfc_mode_enable;
+ changes |= BIT_PFC;
+ }
- return 0;
+ return changes;
}
static u8 ixgbe_dcbnl_get_state(struct net_device *netdev)
@@ -179,20 +211,6 @@ static void ixgbe_dcbnl_set_pg_tc_cfg_tx(struct net_device *netdev, int tc,
if (up_map != DCB_ATTR_VALUE_UNDEFINED)
adapter->temp_dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap =
up_map;
-
- if ((adapter->temp_dcb_cfg.tc_config[tc].path[0].prio_type !=
- adapter->dcb_cfg.tc_config[tc].path[0].prio_type) ||
- (adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_id !=
- adapter->dcb_cfg.tc_config[tc].path[0].bwg_id) ||
- (adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_percent !=
- adapter->dcb_cfg.tc_config[tc].path[0].bwg_percent) ||
- (adapter->temp_dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap !=
- adapter->dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap))
- adapter->dcb_set_bitmap |= BIT_PG_TX;
-
- if (adapter->temp_dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap !=
- adapter->dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap)
- adapter->dcb_set_bitmap |= BIT_PFC | BIT_APP_UPCHG;
}
static void ixgbe_dcbnl_set_pg_bwg_cfg_tx(struct net_device *netdev, int bwg_id,
@@ -201,10 +219,6 @@ static void ixgbe_dcbnl_set_pg_bwg_cfg_tx(struct net_device *netdev, int bwg_id,
struct ixgbe_adapter *adapter = netdev_priv(netdev);
adapter->temp_dcb_cfg.bw_percentage[0][bwg_id] = bw_pct;
-
- if (adapter->temp_dcb_cfg.bw_percentage[0][bwg_id] !=
- adapter->dcb_cfg.bw_percentage[0][bwg_id])
- adapter->dcb_set_bitmap |= BIT_PG_TX;
}
static void ixgbe_dcbnl_set_pg_tc_cfg_rx(struct net_device *netdev, int tc,
@@ -223,20 +237,6 @@ static void ixgbe_dcbnl_set_pg_tc_cfg_rx(struct net_device *netdev, int tc,
if (up_map != DCB_ATTR_VALUE_UNDEFINED)
adapter->temp_dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap =
up_map;
-
- if ((adapter->temp_dcb_cfg.tc_config[tc].path[1].prio_type !=
- adapter->dcb_cfg.tc_config[tc].path[1].prio_type) ||
- (adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_id !=
- adapter->dcb_cfg.tc_config[tc].path[1].bwg_id) ||
- (adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_percent !=
- adapter->dcb_cfg.tc_config[tc].path[1].bwg_percent) ||
- (adapter->temp_dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap !=
- adapter->dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap))
- adapter->dcb_set_bitmap |= BIT_PG_RX;
-
- if (adapter->temp_dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap !=
- adapter->dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap)
- adapter->dcb_set_bitmap |= BIT_PFC;
}
static void ixgbe_dcbnl_set_pg_bwg_cfg_rx(struct net_device *netdev, int bwg_id,
@@ -245,10 +245,6 @@ static void ixgbe_dcbnl_set_pg_bwg_cfg_rx(struct net_device *netdev, int bwg_id,
struct ixgbe_adapter *adapter = netdev_priv(netdev);
adapter->temp_dcb_cfg.bw_percentage[1][bwg_id] = bw_pct;
-
- if (adapter->temp_dcb_cfg.bw_percentage[1][bwg_id] !=
- adapter->dcb_cfg.bw_percentage[1][bwg_id])
- adapter->dcb_set_bitmap |= BIT_PG_RX;
}
static void ixgbe_dcbnl_get_pg_tc_cfg_tx(struct net_device *netdev, int tc,
@@ -298,10 +294,8 @@ static void ixgbe_dcbnl_set_pfc_cfg(struct net_device *netdev, int priority,
adapter->temp_dcb_cfg.tc_config[priority].dcb_pfc = setting;
if (adapter->temp_dcb_cfg.tc_config[priority].dcb_pfc !=
- adapter->dcb_cfg.tc_config[priority].dcb_pfc) {
- adapter->dcb_set_bitmap |= BIT_PFC;
+ adapter->dcb_cfg.tc_config[priority].dcb_pfc)
adapter->temp_dcb_cfg.pfc_mode_enable = true;
- }
}
static void ixgbe_dcbnl_get_pfc_cfg(struct net_device *netdev, int priority,
@@ -336,7 +330,8 @@ static void ixgbe_dcbnl_devreset(struct net_device *dev)
static u8 ixgbe_dcbnl_set_all(struct net_device *netdev)
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
- int ret, i;
+ int ret = DCB_NO_HW_CHG;
+ int i;
#ifdef IXGBE_FCOE
struct dcb_app app = {
.selector = DCB_APP_IDTYPE_ETHTYPE,
@@ -355,12 +350,13 @@ static u8 ixgbe_dcbnl_set_all(struct net_device *netdev)
/* Fail command if not in CEE mode */
if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_CEE))
- return 1;
+ return ret;
- ret = ixgbe_copy_dcb_cfg(&adapter->temp_dcb_cfg, &adapter->dcb_cfg,
- MAX_TRAFFIC_CLASS);
- if (ret)
- return DCB_NO_HW_CHG;
+ adapter->dcb_set_bitmap |= ixgbe_copy_dcb_cfg(&adapter->temp_dcb_cfg,
+ &adapter->dcb_cfg,
+ MAX_TRAFFIC_CLASS);
+ if (!adapter->dcb_set_bitmap)
+ return ret;
if (adapter->dcb_cfg.pfc_mode_enable) {
switch (adapter->hw.mac.type) {
@@ -420,6 +416,8 @@ static u8 ixgbe_dcbnl_set_all(struct net_device *netdev)
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++)
netdev_set_prio_tc_map(netdev, i, prio_tc[i]);
+
+ ret = DCB_HW_CHG_RST;
}
if (adapter->dcb_set_bitmap & BIT_PFC) {
@@ -430,7 +428,8 @@ static u8 ixgbe_dcbnl_set_all(struct net_device *netdev)
DCB_TX_CONFIG, prio_tc);
ixgbe_dcb_unpack_pfc(&adapter->dcb_cfg, &pfc_en);
ixgbe_dcb_hw_pfc_config(&adapter->hw, pfc_en, prio_tc);
- ret = DCB_HW_CHG;
+ if (ret != DCB_HW_CHG_RST)
+ ret = DCB_HW_CHG;
}
if (adapter->dcb_cfg.pfc_mode_enable)
@@ -531,9 +530,6 @@ static void ixgbe_dcbnl_setpfcstate(struct net_device *netdev, u8 state)
struct ixgbe_adapter *adapter = netdev_priv(netdev);
adapter->temp_dcb_cfg.pfc_mode_enable = state;
- if (adapter->temp_dcb_cfg.pfc_mode_enable !=
- adapter->dcb_cfg.pfc_mode_enable)
- adapter->dcb_set_bitmap |= BIT_PFC;
}
/**
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-16 12:26:59 +0300