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[PATCH v3 42/47] igb: Implement Tx timestamp
From: |
Akihiko Odaki |
Subject: |
[PATCH v3 42/47] igb: Implement Tx timestamp |
Date: |
Sun, 23 Apr 2023 13:18:28 +0900 |
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
---
hw/net/igb_regs.h | 3 +++
hw/net/igb_core.c | 7 +++++++
2 files changed, 10 insertions(+)
diff --git a/hw/net/igb_regs.h b/hw/net/igb_regs.h
index 894705599d..82ff195dfc 100644
--- a/hw/net/igb_regs.h
+++ b/hw/net/igb_regs.h
@@ -322,6 +322,9 @@ union e1000_adv_rx_desc {
/* E1000_EITR_CNT_IGNR is only for 82576 and newer */
#define E1000_EITR_CNT_IGNR 0x80000000 /* Don't reset counters on write */
+#define E1000_TSYNCTXCTL_VALID 0x00000001 /* tx timestamp valid */
+#define E1000_TSYNCTXCTL_ENABLED 0x00000010 /* enable tx timestampping */
+
/* PCI Express Control */
#define E1000_GCR_CMPL_TMOUT_MASK 0x0000F000
#define E1000_GCR_CMPL_TMOUT_10ms 0x00001000
diff --git a/hw/net/igb_core.c b/hw/net/igb_core.c
index 627d75d370..1519a90aa6 100644
--- a/hw/net/igb_core.c
+++ b/hw/net/igb_core.c
@@ -659,6 +659,13 @@ igb_process_tx_desc(IGBCore *core,
tx->ctx[idx].vlan_macip_lens >> IGB_TX_FLAGS_VLAN_SHIFT,
!!(tx->first_cmd_type_len & E1000_TXD_CMD_VLE));
+ if ((tx->first_cmd_type_len & E1000_ADVTXD_MAC_TSTAMP) &&
+ (core->mac[TSYNCTXCTL] & E1000_TSYNCTXCTL_ENABLED) &&
+ !(core->mac[TSYNCTXCTL] & E1000_TSYNCTXCTL_VALID)) {
+ core->mac[TSYNCTXCTL] |= E1000_TSYNCTXCTL_VALID;
+ e1000x_timestamp(core->mac, core->timadj, TXSTMPL, TXSTMPH);
+ }
+
if (igb_tx_pkt_send(core, tx, queue_index)) {
igb_on_tx_done_update_stats(core, tx->tx_pkt, queue_index);
}
--
2.40.0
- [PATCH v3 38/47] igb: Strip the second VLAN tag for extended VLAN, (continued)
- [PATCH v3 38/47] igb: Strip the second VLAN tag for extended VLAN, Akihiko Odaki, 2023/04/23
- [PATCH v3 37/47] igb: Implement Tx SCTP CSO, Akihiko Odaki, 2023/04/23
- [PATCH v3 39/47] igb: Filter with the second VLAN tag for extended VLAN, Akihiko Odaki, 2023/04/23
- [PATCH v3 41/47] igb: Implement Rx PTP2 timestamp, Akihiko Odaki, 2023/04/23
- [PATCH v3 44/47] igb: Notify only new interrupts, Akihiko Odaki, 2023/04/23
- [PATCH v3 45/47] vmxnet3: Do not depend on PC, Akihiko Odaki, 2023/04/23
- [PATCH v3 42/47] igb: Implement Tx timestamp,
Akihiko Odaki <=
- [PATCH v3 43/47] e1000e: Notify only new interrupts, Akihiko Odaki, 2023/04/23
- [PATCH v3 46/47] MAINTAINERS: Add a reviewer for network packet abstractions, Akihiko Odaki, 2023/04/23
- [PATCH v3 47/47] docs/system/devices/igb: Note igb is tested for DPDK, Akihiko Odaki, 2023/04/23
- [PATCH v3 40/47] igb: Implement igb-specific oversize check, Akihiko Odaki, 2023/04/23