Data corruption is observed in case of VxLAN packets as the segment data was not handled properly
Fixes: 6ad061cd74ad ("net/cnxk: support multi-segment in eswitch") Signed-off-by: Harman Kalra <hka...@marvell.com> --- drivers/net/cnxk/cnxk_eswitch_rxtx.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/drivers/net/cnxk/cnxk_eswitch_rxtx.c b/drivers/net/cnxk/cnxk_eswitch_rxtx.c index 6df4ecd762..832c4e5d5c 100644 --- a/drivers/net/cnxk/cnxk_eswitch_rxtx.c +++ b/drivers/net/cnxk/cnxk_eswitch_rxtx.c @@ -120,6 +120,7 @@ cnxk_eswitch_dev_tx_burst(struct cnxk_eswitch_dev *eswitch_dev, uint16_t qid, { struct roc_nix_sq *sq = &eswitch_dev->txq[qid].sqs; struct roc_nix_rq *rq = &eswitch_dev->rxq[qid].rqs; + uint64_t cmd[6 + CNXK_NIX_TX_MSEG_SG_DWORDS - 2]; uint16_t lmt_id, pkt = 0, nb_tx = 0; struct nix_send_ext_s *send_hdr_ext; struct nix_send_hdr_s *send_hdr; @@ -128,11 +129,9 @@ cnxk_eswitch_dev_tx_burst(struct cnxk_eswitch_dev *eswitch_dev, uint16_t qid, union nix_send_sg_s *sg; uintptr_t lmt_base, pa; int64_t fc_pkts, dw_m1; - uint64_t cmd_cn9k[16]; struct rte_mbuf *m; rte_iova_t io_addr; uint16_t segdw; - uint64_t *cmd; uint64_t len; uint8_t off; @@ -149,12 +148,7 @@ cnxk_eswitch_dev_tx_burst(struct cnxk_eswitch_dev *eswitch_dev, uint16_t qid, /* 2(HDR) + 2(EXT_HDR) + 1(SG) + 1(IOVA) = 6/2 - 1 = 2 */ dw_m1 = cn10k_nix_tx_ext_subs(flags) + 1; - if (roc_model_is_cn9k()) { - memset(cmd_cn9k, 0, sizeof(cmd_cn9k)); - cmd = &cmd_cn9k[0]; - } else { - cmd = (uint64_t *)lmt_base; - } + memset(cmd, 0, sizeof(cmd)); send_hdr = (struct nix_send_hdr_s *)&cmd[0]; send_hdr->w0.sq = sq->qid; @@ -204,6 +198,7 @@ cnxk_eswitch_dev_tx_burst(struct cnxk_eswitch_dev *eswitch_dev, uint16_t qid, if (roc_model_is_cn9k()) { nix_cn9k_xmit_one(cmd, sq->lmt_addr, sq->io_addr, segdw); } else { + cn10k_nix_xmit_mv_lmt_base(lmt_base, cmd, flags); /* PA<6:4> = LMTST size-1 in units of 128 bits. Size of the first LMTST in * burst. */ -- 2.46.0.469.g4590f2e941