+++ /dev/null
-From 66c248886538d7ee97ef2fe498061f857d4c906a Mon Sep 17 00:00:00 2001
-From: Russell King <rmk+kernel@arm.linux.org.uk>
-Date: Sun, 13 Sep 2015 01:06:31 +0100
-Subject: [PATCH 721/744] sfp: display SFP module information
-
-Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
----
- drivers/net/phy/sfp.c | 247 +++++++++++++++++++++++++++++++++++++++++++++++++-
- 1 file changed, 246 insertions(+), 1 deletion(-)
-
---- a/drivers/net/phy/sfp.c
-+++ b/drivers/net/phy/sfp.c
-@@ -248,6 +248,182 @@ static unsigned int sfp_check(void *buf,
- return check;
- }
-
-+static const char *sfp_link_len(char *buf, size_t size, unsigned int length,
-+ unsigned int multiplier)
-+{
-+ if (length == 0)
-+ return "unsupported/unspecified";
-+
-+ if (length == 255) {
-+ *buf++ = '>';
-+ size -= 1;
-+ length -= 1;
-+ }
-+
-+ length *= multiplier;
-+
-+ if (length >= 1000)
-+ snprintf(buf, size, "%u.%0*ukm",
-+ length / 1000,
-+ multiplier > 100 ? 1 :
-+ multiplier > 10 ? 2 : 3,
-+ length % 1000);
-+ else
-+ snprintf(buf, size, "%um", length);
-+
-+ return buf;
-+}
-+
-+struct bitfield {
-+ unsigned int mask;
-+ unsigned int val;
-+ const char *str;
-+};
-+
-+static const struct bitfield sfp_options[] = {
-+ {
-+ .mask = SFP_OPTIONS_HIGH_POWER_LEVEL,
-+ .val = SFP_OPTIONS_HIGH_POWER_LEVEL,
-+ .str = "hpl",
-+ }, {
-+ .mask = SFP_OPTIONS_PAGING_A2,
-+ .val = SFP_OPTIONS_PAGING_A2,
-+ .str = "paginga2",
-+ }, {
-+ .mask = SFP_OPTIONS_RETIMER,
-+ .val = SFP_OPTIONS_RETIMER,
-+ .str = "retimer",
-+ }, {
-+ .mask = SFP_OPTIONS_COOLED_XCVR,
-+ .val = SFP_OPTIONS_COOLED_XCVR,
-+ .str = "cooled",
-+ }, {
-+ .mask = SFP_OPTIONS_POWER_DECL,
-+ .val = SFP_OPTIONS_POWER_DECL,
-+ .str = "powerdecl",
-+ }, {
-+ .mask = SFP_OPTIONS_RX_LINEAR_OUT,
-+ .val = SFP_OPTIONS_RX_LINEAR_OUT,
-+ .str = "rxlinear",
-+ }, {
-+ .mask = SFP_OPTIONS_RX_DECISION_THRESH,
-+ .val = SFP_OPTIONS_RX_DECISION_THRESH,
-+ .str = "rxthresh",
-+ }, {
-+ .mask = SFP_OPTIONS_TUNABLE_TX,
-+ .val = SFP_OPTIONS_TUNABLE_TX,
-+ .str = "tunabletx",
-+ }, {
-+ .mask = SFP_OPTIONS_RATE_SELECT,
-+ .val = SFP_OPTIONS_RATE_SELECT,
-+ .str = "ratesel",
-+ }, {
-+ .mask = SFP_OPTIONS_TX_DISABLE,
-+ .val = SFP_OPTIONS_TX_DISABLE,
-+ .str = "txdisable",
-+ }, {
-+ .mask = SFP_OPTIONS_TX_FAULT,
-+ .val = SFP_OPTIONS_TX_FAULT,
-+ .str = "txfault",
-+ }, {
-+ .mask = SFP_OPTIONS_LOS_INVERTED,
-+ .val = SFP_OPTIONS_LOS_INVERTED,
-+ .str = "los-",
-+ }, {
-+ .mask = SFP_OPTIONS_LOS_NORMAL,
-+ .val = SFP_OPTIONS_LOS_NORMAL,
-+ .str = "los+",
-+ }, { }
-+};
-+
-+static const struct bitfield diagmon[] = {
-+ {
-+ .mask = SFP_DIAGMON_DDM,
-+ .val = SFP_DIAGMON_DDM,
-+ .str = "ddm",
-+ }, {
-+ .mask = SFP_DIAGMON_INT_CAL,
-+ .val = SFP_DIAGMON_INT_CAL,
-+ .str = "intcal",
-+ }, {
-+ .mask = SFP_DIAGMON_EXT_CAL,
-+ .val = SFP_DIAGMON_EXT_CAL,
-+ .str = "extcal",
-+ }, {
-+ .mask = SFP_DIAGMON_RXPWR_AVG,
-+ .val = SFP_DIAGMON_RXPWR_AVG,
-+ .str = "rxpwravg",
-+ }, { }
-+};
-+
-+static const char *sfp_bitfield(char *out, size_t outsz, const struct bitfield *bits, unsigned int val)
-+{
-+ char *p = out;
-+ int n;
-+
-+ *p = '\0';
-+ while (bits->mask) {
-+ if ((val & bits->mask) == bits->val) {
-+ n = snprintf(p, outsz, "%s%s",
-+ out != p ? ", " : "",
-+ bits->str);
-+ if (n == outsz)
-+ break;
-+ p += n;
-+ outsz -= n;
-+ }
-+ bits++;
-+ }
-+
-+ return out;
-+}
-+
-+static const char *sfp_connector(unsigned int connector)
-+{
-+ switch (connector) {
-+ case SFP_CONNECTOR_UNSPEC:
-+ return "unknown/unspecified";
-+ case SFP_CONNECTOR_SC:
-+ return "SC";
-+ case SFP_CONNECTOR_FIBERJACK:
-+ return "Fiberjack";
-+ case SFP_CONNECTOR_LC:
-+ return "LC";
-+ case SFP_CONNECTOR_MT_RJ:
-+ return "MT-RJ";
-+ case SFP_CONNECTOR_MU:
-+ return "MU";
-+ case SFP_CONNECTOR_SG:
-+ return "SG";
-+ case SFP_CONNECTOR_OPTICAL_PIGTAIL:
-+ return "Optical pigtail";
-+ case SFP_CONNECTOR_HSSDC_II:
-+ return "HSSDC II";
-+ case SFP_CONNECTOR_COPPER_PIGTAIL:
-+ return "Copper pigtail";
-+ default:
-+ return "unknown";
-+ }
-+}
-+
-+static const char *sfp_encoding(unsigned int encoding)
-+{
-+ switch (encoding) {
-+ case SFP_ENCODING_UNSPEC:
-+ return "unspecified";
-+ case SFP_ENCODING_8B10B:
-+ return "8b10b";
-+ case SFP_ENCODING_4B5B:
-+ return "4b5b";
-+ case SFP_ENCODING_NRZ:
-+ return "NRZ";
-+ case SFP_ENCODING_MANCHESTER:
-+ return "MANCHESTER";
-+ default:
-+ return "unknown";
-+ }
-+}
-+
- /* Helpers */
- static void sfp_module_tx_disable(struct sfp *sfp)
- {
-@@ -426,6 +602,7 @@ static int sfp_sm_mod_probe(struct sfp *
- char sn[17];
- char date[9];
- char rev[5];
-+ char options[80];
- u8 check;
- int err;
-
-@@ -462,10 +639,78 @@ static int sfp_sm_mod_probe(struct sfp *
- rev[4] = '\0';
- memcpy(sn, sfp->id.ext.vendor_sn, 16);
- sn[16] = '\0';
-- memcpy(date, sfp->id.ext.datecode, 8);
-+ date[0] = sfp->id.ext.datecode[4];
-+ date[1] = sfp->id.ext.datecode[5];
-+ date[2] = '-';
-+ date[3] = sfp->id.ext.datecode[2];
-+ date[4] = sfp->id.ext.datecode[3];
-+ date[5] = '-';
-+ date[6] = sfp->id.ext.datecode[0];
-+ date[7] = sfp->id.ext.datecode[1];
- date[8] = '\0';
-
- dev_info(sfp->dev, "module %s %s rev %s sn %s dc %s\n", vendor, part, rev, sn, date);
-+ dev_info(sfp->dev, " %s connector, encoding %s, nominal bitrate %u.%uGbps +%u%% -%u%%\n",
-+ sfp_connector(sfp->id.base.connector),
-+ sfp_encoding(sfp->id.base.encoding),
-+ sfp->id.base.br_nominal / 10,
-+ sfp->id.base.br_nominal % 10,
-+ sfp->id.ext.br_max, sfp->id.ext.br_min);
-+ dev_info(sfp->dev, " 1000BaseSX%c 1000BaseLX%c 1000BaseCX%c 1000BaseT%c 100BaseTLX%c 1000BaseFX%c BaseBX10%c BasePX%c\n",
-+ sfp->id.base.e1000_base_sx ? '+' : '-',
-+ sfp->id.base.e1000_base_lx ? '+' : '-',
-+ sfp->id.base.e1000_base_cx ? '+' : '-',
-+ sfp->id.base.e1000_base_t ? '+' : '-',
-+ sfp->id.base.e100_base_lx ? '+' : '-',
-+ sfp->id.base.e100_base_fx ? '+' : '-',
-+ sfp->id.base.e_base_bx10 ? '+' : '-',
-+ sfp->id.base.e_base_px ? '+' : '-');
-+
-+ if (!sfp->id.base.sfp_ct_passive && !sfp->id.base.sfp_ct_active &&
-+ !sfp->id.base.e1000_base_t) {
-+ char len_9um[16], len_om[16];
-+
-+ dev_info(sfp->dev, " Wavelength %unm, fiber lengths:\n",
-+ be16_to_cpup(&sfp->id.base.optical_wavelength));
-+
-+ if (sfp->id.base.link_len[0] == 255)
-+ strcpy(len_9um, ">254km");
-+ else if (sfp->id.base.link_len[1] && sfp->id.base.link_len[1] != 255)
-+ sprintf(len_9um, "%um",
-+ sfp->id.base.link_len[1] * 100);
-+ else if (sfp->id.base.link_len[0])
-+ sprintf(len_9um, "%ukm", sfp->id.base.link_len[0]);
-+ else if (sfp->id.base.link_len[1] == 255)
-+ strcpy(len_9um, ">25.4km");
-+ else
-+ strcpy(len_9um, "unsupported");
-+
-+ dev_info(sfp->dev, " 9µm SM : %s\n", len_9um);
-+ dev_info(sfp->dev, " 62.5µm MM OM1: %s\n",
-+ sfp_link_len(len_om, sizeof(len_om),
-+ sfp->id.base.link_len[3], 10));
-+ dev_info(sfp->dev, " 50µm MM OM2: %s\n",
-+ sfp_link_len(len_om, sizeof(len_om),
-+ sfp->id.base.link_len[2], 10));
-+ dev_info(sfp->dev, " 50µm MM OM3: %s\n",
-+ sfp_link_len(len_om, sizeof(len_om),
-+ sfp->id.base.link_len[5], 10));
-+ dev_info(sfp->dev, " 50µm MM OM4: %s\n",
-+ sfp_link_len(len_om, sizeof(len_om),
-+ sfp->id.base.link_len[4], 10));
-+ } else {
-+ char len[16];
-+ dev_info(sfp->dev, " Copper length: %s\n",
-+ sfp_link_len(len, sizeof(len),
-+ sfp->id.base.link_len[4], 1));
-+ }
-+
-+ dev_info(sfp->dev, " Options: %s\n",
-+ sfp_bitfield(options, sizeof(options), sfp_options,
-+ be16_to_cpu(sfp->id.ext.options)));
-+ dev_info(sfp->dev, " Diagnostics: %s\n",
-+ sfp_bitfield(options, sizeof(options), diagmon,
-+ sfp->id.ext.diagmon));
-
- /* We only support SFP modules, not the legacy GBIC modules. */
- if (sfp->id.base.phys_id != SFP_PHYS_ID_SFP ||
projects / openwrt / staging / lynxis / omap.git / blobdiff