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net/ice: fix Tx hang with TSO

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The variables 'td_offset' and 'td_tag' should be reset to 0 for every
burst packet, otherwise the fields of Tx Descriptor will be set wrong,
this will cause the MDD event error, and Tx will hang.

Fixes: 17c7d0f9d6 ("net/ice: support basic Rx/Tx")
Cc: stable@dpdk.org

Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
This commit is contained in:
Haiyue Wang 2020-07-31 12:27:13 +08:00 committed by Thomas Monjalon
parent 8716f9942a
commit 8a72edd9cb
1 changed files with 2 additions and 0 deletions
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2
drivers/net/ice/ice_rxtx.c
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@ -2431,6 +2431,8 @@ ice_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
tx_pkt = *tx_pkts++; tx_pkt = *tx_pkts++;
td_cmd = 0; td_cmd = 0;
td_tag = 0;
td_offset = 0;
ol_flags = tx_pkt->ol_flags; ol_flags = tx_pkt->ol_flags;
tx_offload.l2_len = tx_pkt->l2_len; tx_offload.l2_len = tx_pkt->l2_len;
tx_offload.l3_len = tx_pkt->l3_len; tx_offload.l3_len = tx_pkt->l3_len;