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igb: Read DCMD.VLE of the first Tx descriptor

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Section 7.2.2.3 Advanced Transmit Data Descriptor says:
> For frames that spans multiple descriptors, all fields apart from
> DCMD.EOP, DCMD.RS, DCMD.DEXT, DTALEN, Address and DTYP are valid only
> in the first descriptors and are ignored in the subsequent ones.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Akihiko Odaki 2023-05-23 11:43:12 +09:00 committed by Jason Wang
parent a09cc21e80
commit 5d92e88a50
1 changed files with 1 additions and 1 deletions
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2
hw/net/igb_core.c
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@ -613,7 +613,7 @@ igb_process_tx_desc(IGBCore *core,
idx = (tx->first_olinfo_status >> 4) & 1;
igb_tx_insert_vlan(core, queue_index, tx,
tx->ctx[idx].vlan_macip_lens >> 16,
!!(cmd_type_len & E1000_TXD_CMD_VLE));
!!(tx->first_cmd_type_len & E1000_TXD_CMD_VLE));
if (igb_tx_pkt_send(core, tx, queue_index)) {
igb_on_tx_done_update_stats(core, tx->tx_pkt, queue_index);