From: Akihiko Odaki Date: Tue, 23 May 2023 02:43:33 +0000 (+0900) Subject: igb: Implement Tx timestamp X-Git-Tag: nvme-fixes-pull-request~144^2~7 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=3dfc616eabc18f036511178bf7551f34abfd19cb;p=qemu-nvme.git igb: Implement Tx timestamp Signed-off-by: Akihiko Odaki Reviewed-by: Sriram Yagnaraman Signed-off-by: Jason Wang --- diff --git a/hw/net/igb_core.c b/hw/net/igb_core.c index 43d23c7621..49d1917926 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); } 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