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-rw-r--r--target/linux/mvebu/patches-4.9/418-sfp-display-SFP-module-information.patch280
1 files changed, 280 insertions, 0 deletions
diff --git a/target/linux/mvebu/patches-4.9/418-sfp-display-SFP-module-information.patch b/target/linux/mvebu/patches-4.9/418-sfp-display-SFP-module-information.patch
new file mode 100644
index 0000000000..f0f2edae94
--- /dev/null
+++ b/target/linux/mvebu/patches-4.9/418-sfp-display-SFP-module-information.patch
@@ -0,0 +1,280 @@
+From: Russell King <rmk+kernel@arm.linux.org.uk>
+Date: Sun, 13 Sep 2015 01:06:31 +0100
+Subject: [PATCH] sfp: display SFP module information
+
+Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
+---
+
+--- a/drivers/net/phy/sfp.c
++++ b/drivers/net/phy/sfp.c
+@@ -251,6 +251,182 @@ 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)
+ {
+@@ -428,6 +604,7 @@ static int sfp_sm_mod_probe(struct sfp *
+ char sn[17];
+ char date[9];
+ char rev[5];
++ char options[80];
+ u8 check;
+ int err;
+
+@@ -471,10 +648,78 @@ 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 ||
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