On Thu, 2017-04-13 at 17:48 +1000, Gavin Shan wrote:
> This creates /sys/kernel/debug/ncsi/<eth0>/stats to dump the NCSI
> packets sent and received over all packages and channels. It's useful
> to diagnose NCSI problems, especially when NCSI packages and channels
> aren't probed properly.
trivia:
> diff --git a/net/ncsi/ncsi-debug.c b/net/ncsi/ncsi-debug.c
> index 6c00e9b..29c233c 100644
> --- a/net/ncsi/ncsi-debug.c
> +++ b/net/ncsi/ncsi-debug.c
> @@ -23,6 +23,235 @@
> #include "ncsi-pkt.h"
>
> static struct dentry *ncsi_dentry;
> +static struct ncsi_pkt_handler {
static const struct etc...
> + unsigned char type;
> + const char *name;
> +} ncsi_pkt_handlers[] = {
> + { NCSI_PKT_CMD_CIS, "CIS" },
[]
> +static bool ncsi_dev_stats_index(struct ncsi_dev_priv *ndp, loff_t pos,
> + unsigned long *type, unsigned long *index,
> + unsigned long *entries)
> +{
> + int i;
> + unsigned long ranges[3][2] = {
> + { 1,
> + ARRAY_SIZE(ndp->stats.cmd) - 1 },
> + { ranges[0][1] + 2,
> + ranges[1][0] + ARRAY_SIZE(ndp->stats.rsp) - 1 },
> + { ranges[1][1] + 2,
> + ranges[2][0] + ARRAY_SIZE(ndp->stats.aen) - 1 }
> + };
const?
