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authorDavid S. Miller <davem@davemloft.net>2010-01-10 22:55:03 -0800
committerDavid S. Miller <davem@davemloft.net>2010-01-10 22:55:03 -0800
commitd4a66e752d0b19934dd208884f8605fe385aaaa9 (patch)
tree72fb727be1d7636aae9cddfe9aa93ac9dec75daf /drivers/net/e1000e
parentbdbec4b86ee99b020e159f9bd604003a3ae3b0ab (diff)
parentfa15e99b6bb44aa86b241a43ca8c509e91f80153 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/benet/be_cmds.h include/linux/sysctl.h
Diffstat (limited to 'drivers/net/e1000e')
-rw-r--r--drivers/net/e1000e/82571.c2
-rw-r--r--drivers/net/e1000e/es2lan.c2
-rw-r--r--drivers/net/e1000e/hw.h1
-rw-r--r--drivers/net/e1000e/ich8lan.c2
-rw-r--r--drivers/net/e1000e/lib.c54
-rw-r--r--drivers/net/e1000e/netdev.c30
6 files changed, 61 insertions, 30 deletions
diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index b979464091b..02d67d047d9 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -237,6 +237,8 @@ static s32 e1000_init_mac_params_82571(struct e1000_adapter *adapter)
/* Set if manageability features are enabled. */
mac->arc_subsystem_valid = (er32(FWSM) & E1000_FWSM_MODE_MASK)
? true : false;
+ /* Adaptive IFS supported */
+ mac->adaptive_ifs = true;
/* check for link */
switch (hw->phy.media_type) {
diff --git a/drivers/net/e1000e/es2lan.c b/drivers/net/e1000e/es2lan.c
index 3028f23da89..e2aa3b78856 100644
--- a/drivers/net/e1000e/es2lan.c
+++ b/drivers/net/e1000e/es2lan.c
@@ -224,6 +224,8 @@ static s32 e1000_init_mac_params_80003es2lan(struct e1000_adapter *adapter)
/* Set if manageability features are enabled. */
mac->arc_subsystem_valid = (er32(FWSM) & E1000_FWSM_MODE_MASK)
? true : false;
+ /* Adaptive IFS not supported */
+ mac->adaptive_ifs = false;
/* check for link */
switch (hw->phy.media_type) {
diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h
index 2784cf44a6f..eccf29b75c4 100644
--- a/drivers/net/e1000e/hw.h
+++ b/drivers/net/e1000e/hw.h
@@ -818,6 +818,7 @@ struct e1000_mac_info {
u8 forced_speed_duplex;
+ bool adaptive_ifs;
bool arc_subsystem_valid;
bool autoneg;
bool autoneg_failed;
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index 9b09246af06..ad08cf3f40c 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -454,6 +454,8 @@ static s32 e1000_init_mac_params_ich8lan(struct e1000_adapter *adapter)
mac->rar_entry_count--;
/* Set if manageability features are enabled. */
mac->arc_subsystem_valid = true;
+ /* Adaptive IFS supported */
+ mac->adaptive_ifs = true;
/* LED operations */
switch (mac->type) {
diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c
index a86c17548c1..2fa9b36a2c5 100644
--- a/drivers/net/e1000e/lib.c
+++ b/drivers/net/e1000e/lib.c
@@ -125,6 +125,7 @@ void e1000_write_vfta_generic(struct e1000_hw *hw, u32 offset, u32 value)
void e1000e_init_rx_addrs(struct e1000_hw *hw, u16 rar_count)
{
u32 i;
+ u8 mac_addr[ETH_ALEN] = {0};
/* Setup the receive address */
e_dbg("Programming MAC Address into RAR[0]\n");
@@ -133,12 +134,8 @@ void e1000e_init_rx_addrs(struct e1000_hw *hw, u16 rar_count)
/* Zero out the other (rar_entry_count - 1) receive addresses */
e_dbg("Clearing RAR[1-%u]\n", rar_count-1);
- for (i = 1; i < rar_count; i++) {
- E1000_WRITE_REG_ARRAY(hw, E1000_RA, (i << 1), 0);
- e1e_flush();
- E1000_WRITE_REG_ARRAY(hw, E1000_RA, ((i << 1) + 1), 0);
- e1e_flush();
- }
+ for (i = 1; i < rar_count; i++)
+ e1000e_rar_set(hw, mac_addr, i);
}
/**
@@ -164,10 +161,19 @@ void e1000e_rar_set(struct e1000_hw *hw, u8 *addr, u32 index)
rar_high = ((u32) addr[4] | ((u32) addr[5] << 8));
- rar_high |= E1000_RAH_AV;
+ /* If MAC address zero, no need to set the AV bit */
+ if (rar_low || rar_high)
+ rar_high |= E1000_RAH_AV;
- E1000_WRITE_REG_ARRAY(hw, E1000_RA, (index << 1), rar_low);
- E1000_WRITE_REG_ARRAY(hw, E1000_RA, ((index << 1) + 1), rar_high);
+ /*
+ * Some bridges will combine consecutive 32-bit writes into
+ * a single burst write, which will malfunction on some parts.
+ * The flushes avoid this.
+ */
+ ew32(RAL(index), rar_low);
+ e1e_flush();
+ ew32(RAH(index), rar_high);
+ e1e_flush();
}
/**
@@ -1609,6 +1615,11 @@ void e1000e_reset_adaptive(struct e1000_hw *hw)
{
struct e1000_mac_info *mac = &hw->mac;
+ if (!mac->adaptive_ifs) {
+ e_dbg("Not in Adaptive IFS mode!\n");
+ goto out;
+ }
+
mac->current_ifs_val = 0;
mac->ifs_min_val = IFS_MIN;
mac->ifs_max_val = IFS_MAX;
@@ -1617,6 +1628,8 @@ void e1000e_reset_adaptive(struct e1000_hw *hw)
mac->in_ifs_mode = false;
ew32(AIT, 0);
+out:
+ return;
}
/**
@@ -1630,6 +1643,11 @@ void e1000e_update_adaptive(struct e1000_hw *hw)
{
struct e1000_mac_info *mac = &hw->mac;
+ if (!mac->adaptive_ifs) {
+ e_dbg("Not in Adaptive IFS mode!\n");
+ goto out;
+ }
+
if ((mac->collision_delta * mac->ifs_ratio) > mac->tx_packet_delta) {
if (mac->tx_packet_delta > MIN_NUM_XMITS) {
mac->in_ifs_mode = true;
@@ -1650,6 +1668,8 @@ void e1000e_update_adaptive(struct e1000_hw *hw)
ew32(AIT, 0);
}
}
+out:
+ return;
}
/**
@@ -2287,10 +2307,12 @@ bool e1000e_enable_tx_pkt_filtering(struct e1000_hw *hw)
s32 ret_val, hdr_csum, csum;
u8 i, len;
+ hw->mac.tx_pkt_filtering = true;
+
/* No manageability, no filtering */
if (!e1000e_check_mng_mode(hw)) {
hw->mac.tx_pkt_filtering = false;
- return 0;
+ goto out;
}
/*
@@ -2298,9 +2320,9 @@ bool e1000e_enable_tx_pkt_filtering(struct e1000_hw *hw)
* reason, disable filtering.
*/
ret_val = e1000_mng_enable_host_if(hw);
- if (ret_val != 0) {
+ if (ret_val) {
hw->mac.tx_pkt_filtering = false;
- return ret_val;
+ goto out;
}
/* Read in the header. Length and offset are in dwords. */
@@ -2319,17 +2341,17 @@ bool e1000e_enable_tx_pkt_filtering(struct e1000_hw *hw)
*/
if ((hdr_csum != csum) || (hdr->signature != E1000_IAMT_SIGNATURE)) {
hw->mac.tx_pkt_filtering = true;
- return 1;
+ goto out;
}
/* Cookie area is valid, make the final check for filtering. */
if (!(hdr->status & E1000_MNG_DHCP_COOKIE_STATUS_PARSING)) {
hw->mac.tx_pkt_filtering = false;
- return 0;
+ goto out;
}
- hw->mac.tx_pkt_filtering = true;
- return 1;
+out:
+ return hw->mac.tx_pkt_filtering;
}
/**
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 9ccb9010dc5..c3745c9d21a 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -3315,24 +3315,24 @@ void e1000e_update_stats(struct e1000_adapter *adapter)
if ((hw->phy.type == e1000_phy_82578) ||
(hw->phy.type == e1000_phy_82577)) {
e1e_rphy(hw, HV_SCC_UPPER, &phy_data);
- e1e_rphy(hw, HV_SCC_LOWER, &phy_data);
- adapter->stats.scc += phy_data;
+ if (!e1e_rphy(hw, HV_SCC_LOWER, &phy_data))
+ adapter->stats.scc += phy_data;
e1e_rphy(hw, HV_ECOL_UPPER, &phy_data);
- e1e_rphy(hw, HV_ECOL_LOWER, &phy_data);
- adapter->stats.ecol += phy_data;
+ if (!e1e_rphy(hw, HV_ECOL_LOWER, &phy_data))
+ adapter->stats.ecol += phy_data;
e1e_rphy(hw, HV_MCC_UPPER, &phy_data);
- e1e_rphy(hw, HV_MCC_LOWER, &phy_data);
- adapter->stats.mcc += phy_data;
+ if (!e1e_rphy(hw, HV_MCC_LOWER, &phy_data))
+ adapter->stats.mcc += phy_data;
e1e_rphy(hw, HV_LATECOL_UPPER, &phy_data);
- e1e_rphy(hw, HV_LATECOL_LOWER, &phy_data);
- adapter->stats.latecol += phy_data;
+ if (!e1e_rphy(hw, HV_LATECOL_LOWER, &phy_data))
+ adapter->stats.latecol += phy_data;
e1e_rphy(hw, HV_DC_UPPER, &phy_data);
- e1e_rphy(hw, HV_DC_LOWER, &phy_data);
- adapter->stats.dc += phy_data;
+ if (!e1e_rphy(hw, HV_DC_LOWER, &phy_data))
+ adapter->stats.dc += phy_data;
} else {
adapter->stats.scc += er32(SCC);
adapter->stats.ecol += er32(ECOL);
@@ -3360,8 +3360,8 @@ void e1000e_update_stats(struct e1000_adapter *adapter)
if ((hw->phy.type == e1000_phy_82578) ||
(hw->phy.type == e1000_phy_82577)) {
e1e_rphy(hw, HV_COLC_UPPER, &phy_data);
- e1e_rphy(hw, HV_COLC_LOWER, &phy_data);
- hw->mac.collision_delta = phy_data;
+ if (!e1e_rphy(hw, HV_COLC_LOWER, &phy_data))
+ hw->mac.collision_delta = phy_data;
} else {
hw->mac.collision_delta = er32(COLC);
}
@@ -3372,8 +3372,8 @@ void e1000e_update_stats(struct e1000_adapter *adapter)
if ((hw->phy.type == e1000_phy_82578) ||
(hw->phy.type == e1000_phy_82577)) {
e1e_rphy(hw, HV_TNCRS_UPPER, &phy_data);
- e1e_rphy(hw, HV_TNCRS_LOWER, &phy_data);
- adapter->stats.tncrs += phy_data;
+ if (!e1e_rphy(hw, HV_TNCRS_LOWER, &phy_data))
+ adapter->stats.tncrs += phy_data;
} else {
if ((hw->mac.type != e1000_82574) &&
(hw->mac.type != e1000_82583))
@@ -4674,6 +4674,7 @@ static int e1000_resume(struct pci_dev *pdev)
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
+ pci_save_state(pdev);
e1000e_disable_l1aspm(pdev);
err = pci_enable_device_mem(pdev);
@@ -4825,6 +4826,7 @@ static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
} else {
pci_set_master(pdev);
pci_restore_state(pdev);
+ pci_save_state(pdev);
pci_enable_wake(pdev, PCI_D3hot, 0);
pci_enable_wake(pdev, PCI_D3cold, 0);