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-rw-r--r--drivers/net/ethernet/intel/e1000e/82571.c6
-rw-r--r--drivers/net/ethernet/intel/e1000e/e1000.h1
-rw-r--r--drivers/net/ethernet/intel/e1000e/ich8lan.c3
-rw-r--r--drivers/net/ethernet/intel/e1000e/netdev.c66
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_main.c35
-rw-r--r--drivers/net/ethernet/intel/igb/igb_ptp.c26
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_main.c19
7 files changed, 107 insertions, 49 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/82571.c b/drivers/net/ethernet/intel/e1000e/82571.c
index 7fd4d54599e4..6b03c8553e59 100644
--- a/drivers/net/ethernet/intel/e1000e/82571.c
+++ b/drivers/net/ethernet/intel/e1000e/82571.c
@@ -2032,7 +2032,8 @@ const struct e1000_info e1000_82574_info = {
| FLAG2_DISABLE_ASPM_L0S
| FLAG2_DISABLE_ASPM_L1
| FLAG2_NO_DISABLE_RX
- | FLAG2_DMA_BURST,
+ | FLAG2_DMA_BURST
+ | FLAG2_CHECK_SYSTIM_OVERFLOW,
.pba = 32,
.max_hw_frame_size = DEFAULT_JUMBO,
.get_variants = e1000_get_variants_82571,
@@ -2053,7 +2054,8 @@ const struct e1000_info e1000_82583_info = {
| FLAG_HAS_CTRLEXT_ON_LOAD,
.flags2 = FLAG2_DISABLE_ASPM_L0S
| FLAG2_DISABLE_ASPM_L1
- | FLAG2_NO_DISABLE_RX,
+ | FLAG2_NO_DISABLE_RX
+ | FLAG2_CHECK_SYSTIM_OVERFLOW,
.pba = 32,
.max_hw_frame_size = DEFAULT_JUMBO,
.get_variants = e1000_get_variants_82571,
diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h
index ef96cd11d6d2..879cca47b021 100644
--- a/drivers/net/ethernet/intel/e1000e/e1000.h
+++ b/drivers/net/ethernet/intel/e1000e/e1000.h
@@ -452,6 +452,7 @@ s32 e1000e_get_base_timinca(struct e1000_adapter *adapter, u32 *timinca);
#define FLAG2_PCIM2PCI_ARBITER_WA BIT(11)
#define FLAG2_DFLT_CRC_STRIPPING BIT(12)
#define FLAG2_CHECK_RX_HWTSTAMP BIT(13)
+#define FLAG2_CHECK_SYSTIM_OVERFLOW BIT(14)
#define E1000_RX_DESC_PS(R, i) \
(&(((union e1000_rx_desc_packet_split *)((R).desc))[i]))
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
index 3e11322d8d58..f3aaca743ea3 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c
@@ -5885,7 +5885,8 @@ const struct e1000_info e1000_pch_lpt_info = {
| FLAG_HAS_JUMBO_FRAMES
| FLAG_APME_IN_WUC,
.flags2 = FLAG2_HAS_PHY_STATS
- | FLAG2_HAS_EEE,
+ | FLAG2_HAS_EEE
+ | FLAG2_CHECK_SYSTIM_OVERFLOW,
.pba = 26,
.max_hw_frame_size = 9022,
.get_variants = e1000_get_variants_ich8lan,
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 02f443958f31..7017281ba2dc 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -4303,6 +4303,42 @@ void e1000e_reinit_locked(struct e1000_adapter *adapter)
}
/**
+ * e1000e_sanitize_systim - sanitize raw cycle counter reads
+ * @hw: pointer to the HW structure
+ * @systim: cycle_t value read, sanitized and returned
+ *
+ * Errata for 82574/82583 possible bad bits read from SYSTIMH/L:
+ * check to see that the time is incrementing at a reasonable
+ * rate and is a multiple of incvalue.
+ **/
+static cycle_t e1000e_sanitize_systim(struct e1000_hw *hw, cycle_t systim)
+{
+ u64 time_delta, rem, temp;
+ cycle_t systim_next;
+ u32 incvalue;
+ int i;
+
+ incvalue = er32(TIMINCA) & E1000_TIMINCA_INCVALUE_MASK;
+ for (i = 0; i < E1000_MAX_82574_SYSTIM_REREADS; i++) {
+ /* latch SYSTIMH on read of SYSTIML */
+ systim_next = (cycle_t)er32(SYSTIML);
+ systim_next |= (cycle_t)er32(SYSTIMH) << 32;
+
+ time_delta = systim_next - systim;
+ temp = time_delta;
+ /* VMWare users have seen incvalue of zero, don't div / 0 */
+ rem = incvalue ? do_div(temp, incvalue) : (time_delta != 0);
+
+ systim = systim_next;
+
+ if ((time_delta < E1000_82574_SYSTIM_EPSILON) && (rem == 0))
+ break;
+ }
+
+ return systim;
+}
+
+/**
* e1000e_cyclecounter_read - read raw cycle counter (used by time counter)
* @cc: cyclecounter structure
**/
@@ -4312,7 +4348,7 @@ static cycle_t e1000e_cyclecounter_read(const struct cyclecounter *cc)
cc);
struct e1000_hw *hw = &adapter->hw;
u32 systimel, systimeh;
- cycle_t systim, systim_next;
+ cycle_t systim;
/* SYSTIMH latching upon SYSTIML read does not work well.
* This means that if SYSTIML overflows after we read it but before
* we read SYSTIMH, the value of SYSTIMH has been incremented and we
@@ -4335,33 +4371,9 @@ static cycle_t e1000e_cyclecounter_read(const struct cyclecounter *cc)
systim = (cycle_t)systimel;
systim |= (cycle_t)systimeh << 32;
- if ((hw->mac.type == e1000_82574) || (hw->mac.type == e1000_82583)) {
- u64 time_delta, rem, temp;
- u32 incvalue;
- int i;
-
- /* errata for 82574/82583 possible bad bits read from SYSTIMH/L
- * check to see that the time is incrementing at a reasonable
- * rate and is a multiple of incvalue
- */
- incvalue = er32(TIMINCA) & E1000_TIMINCA_INCVALUE_MASK;
- for (i = 0; i < E1000_MAX_82574_SYSTIM_REREADS; i++) {
- /* latch SYSTIMH on read of SYSTIML */
- systim_next = (cycle_t)er32(SYSTIML);
- systim_next |= (cycle_t)er32(SYSTIMH) << 32;
-
- time_delta = systim_next - systim;
- temp = time_delta;
- /* VMWare users have seen incvalue of zero, don't div / 0 */
- rem = incvalue ? do_div(temp, incvalue) : (time_delta != 0);
-
- systim = systim_next;
+ if (adapter->flags2 & FLAG2_CHECK_SYSTIM_OVERFLOW)
+ systim = e1000e_sanitize_systim(hw, systim);
- if ((time_delta < E1000_82574_SYSTIM_EPSILON) &&
- (rem == 0))
- break;
- }
- }
return systim;
}
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 81c99e1be708..c6ac7a61812f 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -4554,23 +4554,38 @@ static u8 i40e_get_iscsi_tc_map(struct i40e_pf *pf)
**/
static u8 i40e_dcb_get_num_tc(struct i40e_dcbx_config *dcbcfg)
{
+ int i, tc_unused = 0;
u8 num_tc = 0;
- int i;
+ u8 ret = 0;
/* Scan the ETS Config Priority Table to find
* traffic class enabled for a given priority
- * and use the traffic class index to get the
- * number of traffic classes enabled
+ * and create a bitmask of enabled TCs
*/
- for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
- if (dcbcfg->etscfg.prioritytable[i] > num_tc)
- num_tc = dcbcfg->etscfg.prioritytable[i];
- }
+ for (i = 0; i < I40E_MAX_USER_PRIORITY; i++)
+ num_tc |= BIT(dcbcfg->etscfg.prioritytable[i]);
- /* Traffic class index starts from zero so
- * increment to return the actual count
+ /* Now scan the bitmask to check for
+ * contiguous TCs starting with TC0
*/
- return num_tc + 1;
+ for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
+ if (num_tc & BIT(i)) {
+ if (!tc_unused) {
+ ret++;
+ } else {
+ pr_err("Non-contiguous TC - Disabling DCB\n");
+ return 1;
+ }
+ } else {
+ tc_unused = 1;
+ }
+ }
+
+ /* There is always at least TC0 */
+ if (!ret)
+ ret = 1;
+
+ return ret;
}
/**
diff --git a/drivers/net/ethernet/intel/igb/igb_ptp.c b/drivers/net/ethernet/intel/igb/igb_ptp.c
index e61b647f5f2a..336c103ae374 100644
--- a/drivers/net/ethernet/intel/igb/igb_ptp.c
+++ b/drivers/net/ethernet/intel/igb/igb_ptp.c
@@ -744,7 +744,8 @@ static void igb_ptp_tx_hwtstamp(struct igb_adapter *adapter)
}
}
- shhwtstamps.hwtstamp = ktime_sub_ns(shhwtstamps.hwtstamp, adjust);
+ shhwtstamps.hwtstamp =
+ ktime_add_ns(shhwtstamps.hwtstamp, adjust);
skb_tstamp_tx(adapter->ptp_tx_skb, &shhwtstamps);
dev_kfree_skb_any(adapter->ptp_tx_skb);
@@ -767,13 +768,32 @@ void igb_ptp_rx_pktstamp(struct igb_q_vector *q_vector,
struct sk_buff *skb)
{
__le64 *regval = (__le64 *)va;
+ struct igb_adapter *adapter = q_vector->adapter;
+ int adjust = 0;
/* The timestamp is recorded in little endian format.
* DWORD: 0 1 2 3
* Field: Reserved Reserved SYSTIML SYSTIMH
*/
- igb_ptp_systim_to_hwtstamp(q_vector->adapter, skb_hwtstamps(skb),
+ igb_ptp_systim_to_hwtstamp(adapter, skb_hwtstamps(skb),
le64_to_cpu(regval[1]));
+
+ /* adjust timestamp for the RX latency based on link speed */
+ if (adapter->hw.mac.type == e1000_i210) {
+ switch (adapter->link_speed) {
+ case SPEED_10:
+ adjust = IGB_I210_RX_LATENCY_10;
+ break;
+ case SPEED_100:
+ adjust = IGB_I210_RX_LATENCY_100;
+ break;
+ case SPEED_1000:
+ adjust = IGB_I210_RX_LATENCY_1000;
+ break;
+ }
+ }
+ skb_hwtstamps(skb)->hwtstamp =
+ ktime_sub_ns(skb_hwtstamps(skb)->hwtstamp, adjust);
}
/**
@@ -825,7 +845,7 @@ void igb_ptp_rx_rgtstamp(struct igb_q_vector *q_vector,
}
}
skb_hwtstamps(skb)->hwtstamp =
- ktime_add_ns(skb_hwtstamps(skb)->hwtstamp, adjust);
+ ktime_sub_ns(skb_hwtstamps(skb)->hwtstamp, adjust);
/* Update the last_rx_timestamp timer in order to enable watchdog check
* for error case of latched timestamp on a dropped packet.
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 5418c69a7463..ee57a89252bb 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -4100,6 +4100,8 @@ static void ixgbe_vlan_promisc_enable(struct ixgbe_adapter *adapter)
struct ixgbe_hw *hw = &adapter->hw;
u32 vlnctrl, i;
+ vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
+
switch (hw->mac.type) {
case ixgbe_mac_82599EB:
case ixgbe_mac_X540:
@@ -4112,8 +4114,7 @@ static void ixgbe_vlan_promisc_enable(struct ixgbe_adapter *adapter)
/* fall through */
case ixgbe_mac_82598EB:
/* legacy case, we can just disable VLAN filtering */
- vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
- vlnctrl &= ~(IXGBE_VLNCTRL_VFE | IXGBE_VLNCTRL_CFIEN);
+ vlnctrl &= ~IXGBE_VLNCTRL_VFE;
IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
return;
}
@@ -4125,6 +4126,10 @@ static void ixgbe_vlan_promisc_enable(struct ixgbe_adapter *adapter)
/* Set flag so we don't redo unnecessary work */
adapter->flags2 |= IXGBE_FLAG2_VLAN_PROMISC;
+ /* For VMDq and SR-IOV we must leave VLAN filtering enabled */
+ vlnctrl |= IXGBE_VLNCTRL_VFE;
+ IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
+
/* Add PF to all active pools */
for (i = IXGBE_VLVF_ENTRIES; --i;) {
u32 reg_offset = IXGBE_VLVFB(i * 2 + VMDQ_P(0) / 32);
@@ -4191,6 +4196,11 @@ static void ixgbe_vlan_promisc_disable(struct ixgbe_adapter *adapter)
struct ixgbe_hw *hw = &adapter->hw;
u32 vlnctrl, i;
+ /* Set VLAN filtering to enabled */
+ vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
+ vlnctrl |= IXGBE_VLNCTRL_VFE;
+ IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
+
switch (hw->mac.type) {
case ixgbe_mac_82599EB:
case ixgbe_mac_X540:
@@ -4202,10 +4212,6 @@ static void ixgbe_vlan_promisc_disable(struct ixgbe_adapter *adapter)
break;
/* fall through */
case ixgbe_mac_82598EB:
- vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
- vlnctrl &= ~IXGBE_VLNCTRL_CFIEN;
- vlnctrl |= IXGBE_VLNCTRL_VFE;
- IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
return;
}
@@ -9517,6 +9523,7 @@ skip_sriov:
/* copy netdev features into list of user selectable features */
netdev->hw_features |= netdev->features |
+ NETIF_F_HW_VLAN_CTAG_FILTER |
NETIF_F_HW_VLAN_CTAG_RX |
NETIF_F_HW_VLAN_CTAG_TX |
NETIF_F_RXALL |
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-09 21:20:26 +0000