On Tue, 2016-06-21 at 11:56 +0800, Yisen Zhuang wrote:
> From: Daode Huang <huangda...@hisilicon.com>
> 
> For SoC hip06, PFC pause handled in dsaf, while hip05 in XGMAC,
> so change the statistics of pfc pause in dsaf and remove the old
> pfc pause frame statistics.
> 


> +static char *hns_dsaf_get_node_stats_strings(char *data, int node,
> +                                          struct dsaf_device
> *dsaf_dev)
>  {
>       char *buff = data;
> +     int i;
> +     bool is_ver1 = AE_IS_VER1(dsaf_dev->dsaf_ver);
>  
>       snprintf(buff, ETH_GSTRING_LEN, "innod%d_pad_drop_pkts",
> node);
>       buff = buff + ETH_GSTRING_LEN;
> @@ -2502,6 +2530,18 @@ static char
> *hns_dsaf_get_node_stats_strings(char *data, int node)
>       buff = buff + ETH_GSTRING_LEN;
>       snprintf(buff, ETH_GSTRING_LEN, "innod%d_stp_drop_pkts",
> node);
>       buff = buff + ETH_GSTRING_LEN;
> +     if ((node < DSAF_SERVICE_NW_NUM) && (!is_ver1)) {

Redundant parens.

> +             for (i = 0; i < DSAF_PRIO_NR; i++) {
> +                     snprintf(buff, ETH_GSTRING_LEN,
> +                              "inod%d_pfc_prio%d_pkts", node, i);
> +                     buff = buff + ETH_GSTRING_LEN;

buff += ...

> +             }
> +             for (i = 0; i < DSAF_PRIO_NR; i++) {
> +                     snprintf(buff, ETH_GSTRING_LEN,
> +                              "onod%d_pfc_prio%d_pkts", node, i);
> +                     buff = buff + ETH_GSTRING_LEN;

Ditto.

>  {
>       u64 *p = data;
> +     int i;
>       struct dsaf_hw_stats *hw_stats = &ddev->hw_stats[node_num];
> +     bool is_ver1 = AE_IS_VER1(ddev->dsaf_ver);
>  
>       p[0] = hw_stats->pad_drop;
>       p[1] = hw_stats->man_pkts;
> @@ -2527,8 +2569,16 @@ static u64 *hns_dsaf_get_node_stats(struct
> dsaf_device *ddev, u64 *data,
>       p[10] = hw_stats->local_addr_false;
>       p[11] = hw_stats->vlan_drop;
>       p[12] = hw_stats->stp_drop;
> -     p[13] = hw_stats->tx_pkts;
> +     if ((node_num < DSAF_SERVICE_NW_NUM) && (!is_ver1)) {
> +             for (i = 0; i < DSAF_PRIO_NR; i++) {
> +                     p[13 + i] = hw_stats->rx_pfc[i];
> +                     p[13 + i + DSAF_PRIO_NR] = hw_stats-
> >tx_pfc[i];
> +             }

Two different approaches how to assign data. Above uses 2 for-loops,
here you put everything to one.

> +             p[29] = hw_stats->tx_pkts;
> +             return &p[30];
> +     }
>  
> +     p[13] = hw_stats->tx_pkts;
>       return &p[14];
>  }

-- 

Andy Shevchenko <andriy.shevche...@linux.intel.com>
Intel Finland Oy

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