diff options
Diffstat (limited to 'target/linux/mvebu/patches-4.9/418-sfp-display-SFP-module-information.patch')
-rw-r--r-- | target/linux/mvebu/patches-4.9/418-sfp-display-SFP-module-information.patch | 280 |
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 0000000..f0f2eda --- /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 || |