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cxgb4vf: Read correct FL congestion threshold for T5 and T6
VF driver was reading incorrect freelist congestion notification threshold for FLM queues when packing is enabled for T5 and T6 adapter. Fixing it now. Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -338,6 +338,11 @@
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#define EGRTHRESHOLDPACKING_G(x) \
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(((x) >> EGRTHRESHOLDPACKING_S) & EGRTHRESHOLDPACKING_M)
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#define T6_EGRTHRESHOLDPACKING_S 16
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#define T6_EGRTHRESHOLDPACKING_M 0xffU
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#define T6_EGRTHRESHOLDPACKING_G(x) \
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(((x) >> T6_EGRTHRESHOLDPACKING_S) & T6_EGRTHRESHOLDPACKING_M)
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#define SGE_TIMESTAMP_LO_A 0x1098
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#define SGE_TIMESTAMP_HI_A 0x109c
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@ -2668,8 +2668,22 @@ int t4vf_sge_init(struct adapter *adapter)
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* give it more Free List entries. (Note that the SGE's Egress
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* Congestion Threshold is in units of 2 Free List pointers.)
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*/
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s->fl_starve_thres
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= EGRTHRESHOLD_G(sge_params->sge_congestion_control)*2 + 1;
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switch (CHELSIO_CHIP_VERSION(adapter->params.chip)) {
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case CHELSIO_T4:
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s->fl_starve_thres =
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EGRTHRESHOLD_G(sge_params->sge_congestion_control);
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break;
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case CHELSIO_T5:
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s->fl_starve_thres =
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EGRTHRESHOLDPACKING_G(sge_params->sge_congestion_control);
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break;
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case CHELSIO_T6:
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default:
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s->fl_starve_thres =
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T6_EGRTHRESHOLDPACKING_G(sge_params->sge_congestion_control);
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break;
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}
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s->fl_starve_thres = s->fl_starve_thres * 2 + 1;
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/*
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* Set up tasklet timers.
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