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nfp: abm: report correct MQ stats 

Report the stat diff to make sure MQ stats add up to child stats.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2018-05-25 21:53:38 -07:00 committed by David S. Miller
parent 47c669a406
commit 2440711e49
1 changed files with 24 additions and 0 deletions
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24
drivers/net/ethernet/netronome/nfp/abm/main.c
View File

@ -279,6 +279,28 @@ nfp_abm_setup_tc_red(struct net_device *netdev, struct nfp_abm_link *alink,
}
}
static int
nfp_abm_mq_stats(struct nfp_abm_link *alink, struct tc_mq_qopt_offload *opt)
{
struct nfp_alink_stats stats;
unsigned int i;
int err;
for (i = 0; i < alink->num_qdiscs; i++) {
if (alink->qdiscs[i].handle == TC_H_UNSPEC)
continue;
err = nfp_abm_ctrl_read_q_stats(alink, i, &stats);
if (err)
return err;
nfp_abm_update_stats(&stats, &alink->qdiscs[i].stats,
&opt->stats);
}
return 0;
}
static int
nfp_abm_setup_tc_mq(struct net_device *netdev, struct nfp_abm_link *alink,
struct tc_mq_qopt_offload *opt)
@ -292,6 +314,8 @@ nfp_abm_setup_tc_mq(struct net_device *netdev, struct nfp_abm_link *alink,
if (opt->handle == alink->parent)
nfp_abm_reset_root(netdev, alink, TC_H_ROOT, 0);
return 0;
case TC_MQ_STATS:
return nfp_abm_mq_stats(alink, opt);
default:
return -EOPNOTSUPP;
}