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[PULL,22/50] igb: Read DCMD.VLE of the first Tx descriptor

Message ID 20230523073238.54236-23-jasowang@redhat.com
State New
Headers show
Series [PULL,01/50] e1000e: Fix tx/rx counters | expand

Commit Message

Jason Wang May 23, 2023, 7:32 a.m. UTC 
From: Akihiko Odaki <akihiko.odaki@daynix.com>

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>
---
 hw/net/igb_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/hw/net/igb_core.c b/hw/net/igb_core.c
index bae51cb..162ef26 100644
--- a/hw/net/igb_core.c
+++ b/hw/net/igb_core.c
@@ -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);