The length of GVI (GetVersionInfo) response packet should be 40 instead of 36. This issue was found from /proc/ncsi/eth0/stats.
# cat /proc/ncsi/eth0/stats : RSP OK TIMEOUT ERROR ======================================= GVI 0 0 2 With this applied, no error reported on GVI response packets: # cat /proc/ncsi/eth0/stats : RSP OK TIMEOUT ERROR ======================================= GVI 2 0 0 Signed-off-by: Gavin Shan <gws...@linux.vnet.ibm.com> --- net/ncsi/ncsi-rsp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ncsi/ncsi-rsp.c b/net/ncsi/ncsi-rsp.c index 095726f..67260f3 100644 --- a/net/ncsi/ncsi-rsp.c +++ b/net/ncsi/ncsi-rsp.c @@ -951,7 +951,7 @@ static struct ncsi_rsp_handler { { NCSI_PKT_RSP_EGMF, 4, ncsi_rsp_handler_egmf }, { NCSI_PKT_RSP_DGMF, 4, ncsi_rsp_handler_dgmf }, { NCSI_PKT_RSP_SNFC, 4, ncsi_rsp_handler_snfc }, - { NCSI_PKT_RSP_GVI, 36, ncsi_rsp_handler_gvi }, + { NCSI_PKT_RSP_GVI, 40, ncsi_rsp_handler_gvi }, { NCSI_PKT_RSP_GC, 32, ncsi_rsp_handler_gc }, { NCSI_PKT_RSP_GP, -1, ncsi_rsp_handler_gp }, { NCSI_PKT_RSP_GCPS, 172, ncsi_rsp_handler_gcps }, -- 2.7.4