diff options
| author | David Gwynne <dlg@cvs.openbsd.org> | 2019-08-27 23:24:36 +0000 |
|---|---|---|
| committer | David Gwynne <dlg@cvs.openbsd.org> | 2019-08-27 23:24:36 +0000 |
| commit | bd7e1f090a77154f91efa6fda34b1ede0f7713bd (patch) | |
| tree | 696edbfee4ee48f923eedc191e540a9982ebc726 /sbin/ifconfig/sff.c | |
| parent | 8412df1fc011769a1f834367137ec64c93ee0e5a (diff) | |
print more qsfp temperature information
this shows the maximum case temperature reported by the chip, and
the low and high alarm ranges for temp and vcc when page 3 is
available and working.
this will hopefully give deraadt@ a better idea about how much
headroom one of his 100g optics has.
Diffstat (limited to 'sbin/ifconfig/sff.c')
| -rw-r--r-- | sbin/ifconfig/sff.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/sbin/ifconfig/sff.c b/sbin/ifconfig/sff.c index b536e0653d7..896d634bc02 100644 --- a/sbin/ifconfig/sff.c +++ b/sbin/ifconfig/sff.c @@ -1,4 +1,4 @@ -/* $OpenBSD: sff.c,v 1.14 2019/08/27 11:54:42 dlg Exp $ */ +/* $OpenBSD: sff.c,v 1.15 2019/08/27 23:24:35 dlg Exp $ */ /* * Copyright (c) 2019 David Gwynne <dlg@openbsd.org> @@ -257,6 +257,13 @@ static const char *sff8024_con_names[] = { #define SFF8436_TX_POWER_BASE 50 #define SFF8436_TX_POWER(_i) (SFF8436_TX_POWER_BASE + ((_i) * 2)) +/* Upper Page 00h */ + +#define SFF8436_MAXCASETEMP 190 /* C */ +#define SFF8436_MAXCASETEMP_DEFAULT 70 /* if SFF8436_MAXCASETEMP is 0 */ + +/* Upper page 03h */ + #define SFF8436_AW_TEMP 128 #define SFF8436_AW_VCC 144 #define SFF8436_AW_RX_POWER 176 @@ -693,7 +700,7 @@ if_sff8636_thresh(int s, const char *ifname, int dump, } printf("\ttemp: "); - if_sff_printalarm(" C", 0, + if_sff_printalarm(" C", 1, if_sff_int(&pg3, SFF8436_TEMP) / SFF_TEMP_FACTOR, temp.thresholds[SFF_THRESH_HI_ALARM], temp.thresholds[SFF_THRESH_LO_ALARM], @@ -702,7 +709,7 @@ if_sff8636_thresh(int s, const char *ifname, int dump, printf("\n"); printf("\tvoltage: "); - if_sff_printalarm(" V", 0, + if_sff_printalarm(" V", 1, if_sff_uint(&pg3, SFF8436_VCC) / SFF_VCC_FACTOR, vcc.thresholds[SFF_THRESH_HI_ALARM], vcc.thresholds[SFF_THRESH_LO_ALARM], @@ -748,6 +755,7 @@ static int if_sff8636(int s, const char *ifname, int dump, const struct if_sffpage *pg0) { int16_t temp; + uint8_t maxcasetemp; uint8_t flat; unsigned int i; @@ -758,6 +766,11 @@ if_sff8636(int s, const char *ifname, int dump, const struct if_sffpage *pg0) return (0); } + maxcasetemp = pg0->sff_data[SFF8436_MAXCASETEMP]; + if (maxcasetemp == 0x00) + maxcasetemp = SFF8436_MAXCASETEMP_DEFAULT; + printf("\tmax case temp: %u C\n", maxcasetemp); + temp = if_sff_int(pg0, SFF8436_TEMP); /* the temp reading look unset, assume the rest will be unset too */ if ((uint16_t)temp == 0 || (uint16_t)temp == 0xffffU) { |