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Index: lib/libifconfig/Makefile
===================================================================
--- lib/libifconfig/Makefile
+++ lib/libifconfig/Makefile
@@ -13,15 +13,24 @@
libifconfig_inet6.c \
libifconfig_internal.c \
libifconfig_lagg.c \
- libifconfig_media.c
+ libifconfig_media.c \
+ libifconfig_sfp.c \
+ libifconfig_sfp_enums.c
+
+GENERATED= libifconfig_sfp_enums.h \
+ libifconfig_sfp_enums.c \
+ libifconfig_sfp_enums_internal.h
+
+$(GENERATED): sfp.lua
+ ${.CURDIR}/sfp.lua
# If libifconfig become public uncomment those two lines
#INCSDIR= ${INCLUDEDIR}
-#INCS= libifconfig.h
+#INCS= libifconfig.h libifconfig_sfp.h libifconfig_sfp_enums.h
#MAN= libifconfig.3
-CFLAGS+= -I${.CURDIR}
+CFLAGS+= -I${.CURDIR} -I${.OBJDIR}
NO_WCAST_ALIGN= yes
.include <bsd.lib.mk>
Index: lib/libifconfig/libifconfig.h
===================================================================
--- lib/libifconfig/libifconfig.h
+++ lib/libifconfig/libifconfig.h
@@ -28,6 +28,10 @@
#pragma once
+#include <sys/types.h>
+
+#include <net/if.h>
+
#include <netinet/in.h>
#include <netinet6/in6_var.h>
Index: lib/libifconfig/libifconfig_sfp.h
===================================================================
--- /dev/null
+++ lib/libifconfig/libifconfig_sfp.h
@@ -0,0 +1,160 @@
+/*-
+ * Copyright (c) 2014 Alexander V. Chernikov. All rights reserved.
+ * Copyright (c) 2020, Ryan Moeller <freqlabs@FreeBSD.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#pragma once
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include <libifconfig.h>
+#include <libifconfig_sfp_enums.h>
+
+/** SFP module information in raw numeric form
+ * These are static properties of the hardware.
+ * @see SFP_ENUMS_MAP for fields and their descriptions.
+ */
+struct ifconfig_sfp_info;
+
+/** SFP module information formatted as strings
+ * These are static strings that do not need to be freed.
+ * @see SFP_ENUM for fields and their descriptions.
+ */
+struct ifconfig_sfp_info_strings;
+
+#define SFF_VENDOR_STRING_SIZE 16 /**< max chars in a vendor string */
+#define SFF_VENDOR_DATE_SIZE 6 /**< chars in a vendor date code */
+
+/** SFP module vendor info strings */
+struct ifconfig_sfp_vendor_info {
+ char name[SFF_VENDOR_STRING_SIZE + 1]; /**< vendor name */
+ char pn[SFF_VENDOR_STRING_SIZE + 1]; /**< vendor part number */
+ char sn[SFF_VENDOR_STRING_SIZE + 1]; /**< vendor serial number */
+ char date[SFF_VENDOR_DATE_SIZE + 5]; /**< formatted vendor date */
+};
+
+/** SFP module status
+ * These are dynamic properties of the hardware.
+ */
+struct ifconfig_sfp_status {
+ double temp; /**< module temperature in degrees C,
+ valid range -40.0 to 125.0 */
+ double voltage; /**< module voltage in volts */
+ struct {
+ uint16_t rx; /**< channel receive power in milliwatts */
+ uint16_t tx; /**< channel transmit power in milliwatts */
+ } power[4]; /**< channel rx/tx power in milliwatts,
+ four channels for QSFP modules,
+ one channel for SFP modules,
+ unused channels are zeroed */
+ uint32_t bitrate; /**< link bitrate,
+ only present for QSFP modules,
+ zero for SFP modules */
+};
+
+#define SFF_DUMP_SIZE 256 /**< size of the memory dump buffer */
+
+#define SFP_DUMP_START 0 /**< start address of an SFP module dump */
+#define SFP_DUMP_SIZE 128 /**< bytes in an SFP module dump */
+
+#define QSFP_DUMP0_START 0 /**< start address of the first region
+ in a QSFP module dump */
+#define QSFP_DUMP0_SIZE 82 /**< bytes in the first region
+ in a QSFP module dump */
+#define QSFP_DUMP1_START 128 /**< start address of the second region
+ in a QSFP module dump */
+#define QSFP_DUMP1_SIZE 128 /**< bytes in the second region
+ in a QSFP module dump */
+
+/** SFP module I2C memory dump
+ * SFP modules have one region, QSFP modules have two regions.
+ */
+struct ifconfig_sfp_dump {
+ uint8_t data[SFF_DUMP_SIZE]; /**< memory dump data */
+ bool qsfp; /**< true if a QSFP module was dumped,
+ otherwise false */
+};
+
+/** Get information about the static properties of an SFP/QSFP module
+ * The information is returned in numeric form.
+ * @see ifconfig_sfp_get_sfp_info_strings to get corresponding strings.
+ * @param h An open ifconfig state handle
+ * @param name The name of an interface
+ * @param sfp Pointer to an object to fill, will be zeroed by this function
+ * @return 0 if successful, -1 with error info set in the handle otherwise
+ */
+int ifconfig_sfp_get_sfp_info(ifconfig_handle_t *h, const char *name,
+ struct ifconfig_sfp_info *sfp);
+
+/** Get string descriptions of the given SFP/WSFP module info
+ * The strings are static and do not need to be freed.
+ * @see ifconfig_sfp_get_sfp_info to obtain the input info.
+ * @param sfp Pointer to a filled SFP module info object
+ * @param strings Pointer to an object to be filled with pointers to
+ * static strings describing the given info
+ */
+void ifconfig_sfp_get_sfp_info_strings(struct ifconfig_sfp_info *sfp,
+ struct ifconfig_sfp_info_strings *strings);
+
+/** Get the vendor info strings from an SFP/QSFP module
+ * @param h An open ifconfig state handle
+ * @param name The name of an interface
+ * @param vi Pointer to an object to be filled with the vendor info strings,
+ * will be zeroed by this function
+ * @return 0 if successful, -1 with error info set in the handle otherwise
+ */
+int ifconfig_sfp_get_sfp_vendor_info(ifconfig_handle_t *h, const char *name,
+ struct ifconfig_sfp_vendor_info *vi);
+
+/** Get the status of an SFP/QSFP module's dynamic properties
+ * @param h An open ifconfig state handle
+ * @param name The name of an interface
+ * @param ss Pointer to an object to be filled with the module's status
+ * @return 0 if successful, -1 with error info set in the handle otherwise
+ * where the errcode `ENXIO` indicates an SFP module that is not
+ * calibrated or does not provide diagnostic status measurements
+ */
+int ifconfig_sfp_get_sfp_status(ifconfig_handle_t *h, const char *name,
+ struct ifconfig_sfp_status *ss);
+
+/** Convert milliwats power to decibel-milliwats power level
+ * This is provided as a convenience for displaying channel power levels.
+ * @see (struct ifconfig_sfp_status).power
+ * @param mW Power in milliwatts (mW)
+ * @return Power level in decibel-milliwatts (dBm)
+ */
+double mW_to_dBm(uint16_t mW);
+
+/** Dump the I2C memory of an SFP/QSFP module
+ * SFP modules have one memory region dumped, QSFP modules have two.
+ * @param h An open ifconfig state handle
+ * @param name The name of an interface
+ * @param buf Pointer to a dump data buffer object
+ * @return 0 if successful, -1 with error info set in the handle otherwise
+ */
+int ifconfig_sfp_get_sfp_dump(ifconfig_handle_t *h, const char *name,
+ struct ifconfig_sfp_dump *buf);
Index: lib/libifconfig/libifconfig_sfp.c
===================================================================
--- /dev/null
+++ lib/libifconfig/libifconfig_sfp.c
@@ -0,0 +1,494 @@
+/*-
+ * Copyright (c) 2014 Alexander V. Chernikov. All rights reserved.
+ * Copyright (c) 2020, Ryan Moeller <freqlabs@FreeBSD.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+
+#include <net/if.h>
+#include <net/sff8436.h>
+#include <net/sff8472.h>
+
+#include <math.h>
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <libifconfig.h>
+#include <libifconfig_internal.h>
+#include <libifconfig_sfp.h>
+#include <libifconfig_sfp_enums_internal.h>
+
+#define SFF_8636_EXT_COMPLIANCE 0x80
+
+struct i2c_info {
+ struct ifreq ifr;
+ ifconfig_handle_t *h;
+ int error; /* Store first error */
+ bool qsfp; /* True if transceiver is QSFP */
+};
+
+static uint8_t
+find_zero_bit(const struct sfp_enum_metadata *table, int value, int sz)
+{
+ int v, m;
+
+ for (v = 1, m = 1 << (8 * sz); v < m; v <<= 1) {
+ if ((value & v) == 0)
+ continue;
+ if (find_metadata(table, value & v) != NULL) {
+ return (value & v);
+ }
+ }
+ return (0);
+}
+
+/*
+ * Reads i2c data from opened kernel socket.
+ */
+static int
+read_i2c(struct i2c_info *ii, uint8_t addr, uint8_t off, uint8_t len,
+ uint8_t *buf)
+{
+ struct ifi2creq req;
+ int i, l;
+
+ if (ii->error != 0)
+ return (ii->error);
+
+ ii->ifr.ifr_data = (caddr_t)&req;
+
+ i = 0;
+ l = 0;
+ memset(&req, 0, sizeof(req));
+ req.dev_addr = addr;
+ req.offset = off;
+ req.len = len;
+
+ while (len > 0) {
+ l = MIN(sizeof(req.data), len);
+ req.len = l;
+ if (ifconfig_ioctlwrap(ii->h, AF_LOCAL, SIOCGI2C,
+ &ii->ifr) != 0) {
+ ii->error = errno;
+ return (errno);
+ }
+
+ memcpy(&buf[i], req.data, l);
+ len -= l;
+ i += l;
+ req.offset += l;
+ }
+
+ return (0);
+}
+
+static int
+i2c_info_init(struct i2c_info *ii, ifconfig_handle_t *h, const char *name)
+{
+ uint8_t id_byte;
+
+ memset(ii, 0, sizeof(*ii));
+ strlcpy(ii->ifr.ifr_name, name, sizeof(ii->ifr.ifr_name));
+ ii->h = h;
+
+ /*
+ * Try to read byte 0 from i2c:
+ * Both SFF-8472 and SFF-8436 use it as
+ * 'identification byte'.
+ * Stop reading status on zero as value -
+ * this might happen in case of empty transceiver slot.
+ */
+ id_byte = 0;
+ read_i2c(ii, SFF_8472_BASE, SFF_8472_ID, 1, &id_byte);
+ if (ii->error != 0)
+ return (-1);
+ switch (id_byte) {
+ case 0:
+ h->error.errtype = OTHER;
+ h->error.errcode = ENOENT;
+ return (-1);
+ case SFF_8024_ID_QSFP:
+ case SFF_8024_ID_QSFPPLUS:
+ case SFF_8024_ID_QSFP28:
+ ii->qsfp = true;
+ default:
+ return (0);
+ }
+}
+
+static int
+get_sfp_info(struct i2c_info *ii, struct ifconfig_sfp_info *sfp)
+{
+ uint8_t code;
+
+ read_i2c(ii, SFF_8472_BASE, SFF_8472_ID, 1, &sfp->sfp_id);
+ read_i2c(ii, SFF_8472_BASE, SFF_8472_CONNECTOR, 1, &sfp->sfp_conn);
+
+ /* Use extended compliance code if it's valid */
+ read_i2c(ii, SFF_8472_BASE, SFF_8472_TRANS, 1, &sfp->sfp_eth_ext);
+ if (sfp->sfp_eth_ext == 0) {
+ /* Next, check 10G Ethernet/IB CCs */
+ read_i2c(ii, SFF_8472_BASE, SFF_8472_TRANS_START, 1, &code);
+ sfp->sfp_eth_10g = find_zero_bit(sfp_eth_10g_table, code, 1);
+ if (sfp->sfp_eth_10g == 0) {
+ /* No match. Try Ethernet 1G */
+ read_i2c(ii, SFF_8472_BASE, SFF_8472_TRANS_START + 3,
+ 1, &code);
+ sfp->sfp_eth = find_zero_bit(sfp_eth_table, code, 1);
+ }
+ }
+
+ return (ii->error);
+}
+
+static int
+get_qsfp_info(struct i2c_info *ii, struct ifconfig_sfp_info *sfp)
+{
+ uint8_t code;
+
+ read_i2c(ii, SFF_8436_BASE, SFF_8436_ID, 1, &sfp->sfp_id);
+ read_i2c(ii, SFF_8436_BASE, SFF_8436_CONNECTOR, 1, &sfp->sfp_conn);
+
+ read_i2c(ii, SFF_8436_BASE, SFF_8436_STATUS, 1, &sfp->sfp_rev);
+
+ /* Check for extended specification compliance */
+ read_i2c(ii, SFF_8436_BASE, SFF_8436_CODE_E1040100G, 1, &code);
+ if (code & SFF_8636_EXT_COMPLIANCE) {
+ read_i2c(ii, SFF_8436_BASE, SFF_8436_OPTIONS_START, 1,
+ &sfp->sfp_eth_ext);
+ } else {
+ /* Check 10/40G Ethernet class only */
+ sfp->sfp_eth_1040g =
+ find_zero_bit(sfp_eth_1040g_table, code, 1);
+ }
+
+ return (ii->error);
+}
+
+int
+ifconfig_sfp_get_sfp_info(ifconfig_handle_t *h,
+ const char *name, struct ifconfig_sfp_info *sfp)
+{
+ struct i2c_info ii;
+ char buf[8];
+
+ memset(sfp, 0, sizeof(*sfp));
+
+ if (i2c_info_init(&ii, h, name) != 0)
+ return (-1);
+
+ /* Read bytes 3-10 at once */
+ read_i2c(&ii, SFF_8472_BASE, SFF_8472_TRANS_START, 8, buf);
+ if (ii.error != 0)
+ return (ii.error);
+
+ /* Check 10G ethernet first */
+ sfp->sfp_eth_10g = find_zero_bit(sfp_eth_10g_table, buf[0], 1);
+ if (sfp->sfp_eth_10g == 0) {
+ /* No match. Try 1G */
+ sfp->sfp_eth = find_zero_bit(sfp_eth_table, buf[3], 1);
+ }
+ sfp->sfp_fc_len = find_zero_bit(sfp_fc_len_table, buf[4], 1);
+ sfp->sfp_fc_media = find_zero_bit(sfp_fc_media_table, buf[6], 1);
+ sfp->sfp_fc_speed = find_zero_bit(sfp_fc_speed_table, buf[7], 1);
+ sfp->sfp_cab_tech =
+ find_zero_bit(sfp_cab_tech_table, (buf[4] << 8) | buf[5], 2);
+
+ if (ii.qsfp)
+ return (get_qsfp_info(&ii, sfp));
+ return (get_sfp_info(&ii, sfp));
+}
+
+/*
+ * Print SFF-8472/SFF-8436 string to supplied buffer.
+ * All (vendor-specific) strings are padded right with '0x20'.
+ */
+static void
+get_sff_string(struct i2c_info *ii, uint8_t addr, uint8_t off, char *dst)
+{
+ read_i2c(ii, addr, off, SFF_VENDOR_STRING_SIZE, dst);
+ dst += SFF_VENDOR_STRING_SIZE;
+ do { *dst-- = '\0'; } while (*dst == 0x20);
+}
+
+static void
+get_sff_date(struct i2c_info *ii, uint8_t addr, uint8_t off, char *dst)
+{
+ char buf[SFF_VENDOR_DATE_SIZE];
+
+ read_i2c(ii, addr, off, SFF_VENDOR_DATE_SIZE, buf);
+ sprintf(dst, "20%c%c-%c%c-%c%c", buf[0], buf[1], buf[2], buf[3],
+ buf[4], buf[5]);
+}
+
+static int
+get_sfp_vendor_info(struct i2c_info *ii, struct ifconfig_sfp_vendor_info *vi)
+{
+ get_sff_string(ii, SFF_8472_BASE, SFF_8472_VENDOR_START, vi->name);
+ get_sff_string(ii, SFF_8472_BASE, SFF_8472_PN_START, vi->pn);
+ get_sff_string(ii, SFF_8472_BASE, SFF_8472_SN_START, vi->sn);
+ get_sff_date(ii, SFF_8472_BASE, SFF_8472_DATE_START, vi->date);
+ return (ii->error);
+}
+
+static int
+get_qsfp_vendor_info(struct i2c_info *ii, struct ifconfig_sfp_vendor_info *vi)
+{
+ get_sff_string(ii, SFF_8436_BASE, SFF_8436_VENDOR_START, vi->name);
+ get_sff_string(ii, SFF_8436_BASE, SFF_8436_PN_START, vi->pn);
+ get_sff_string(ii, SFF_8436_BASE, SFF_8436_SN_START, vi->sn);
+ get_sff_date(ii, SFF_8436_BASE, SFF_8436_DATE_START, vi->date);
+ return (ii->error);
+}
+
+int
+ifconfig_sfp_get_sfp_vendor_info(ifconfig_handle_t *h,
+ const char *name, struct ifconfig_sfp_vendor_info *vi)
+{
+ struct i2c_info ii;
+
+ memset(vi, 0, sizeof(*vi));
+
+ if (i2c_info_init(&ii, h, name) != 0)
+ return (-1);
+
+ if (ii.qsfp)
+ return (get_qsfp_vendor_info(&ii, vi));
+ return (get_sfp_vendor_info(&ii, vi));
+}
+
+/*
+ * Converts internal temperature (SFF-8472, SFF-8436)
+ * 16-bit unsigned value to human-readable representation:
+ *
+ * Internally measured Module temperature are represented
+ * as a 16-bit signed twos complement value in increments of
+ * 1/256 degrees Celsius, yielding a total range of –128C to +128C
+ * that is considered valid between –40 and +125C.
+ */
+static double
+get_sff_temp(struct i2c_info *ii, uint8_t addr, uint8_t off)
+{
+ double d;
+ uint8_t buf[2];
+
+ read_i2c(ii, addr, off, 2, buf);
+ d = (double)buf[0];
+ d += (double)buf[1] / 256;
+ return (d);
+}
+
+/*
+ * Retrieves supplied voltage (SFF-8472, SFF-8436).
+ * 16-bit usigned value, treated as range 0..+6.55 Volts
+ */
+static double
+get_sff_voltage(struct i2c_info *ii, uint8_t addr, uint8_t off)
+{
+ double d;
+ uint8_t buf[2];
+
+ read_i2c(ii, addr, off, 2, buf);
+ d = (double)((buf[0] << 8) | buf[1]);
+ return (d / 10000);
+}
+
+double
+mW_to_dBm(uint16_t mW)
+{
+ /*
+ * Assume internally-calibrated data.
+ * This is always true for SFF-8346, and explicitly
+ * checked for SFF-8472.
+ */
+ return (10.0 * log10(1.0 * mW / 10000));
+}
+
+static uint16_t
+get_sff_power(struct i2c_info *ii, uint8_t addr, uint8_t off)
+{
+ uint8_t buf[2];
+
+ read_i2c(ii, addr, off, 2, buf);
+ if (ii->error != 0)
+ return (0);
+
+ return ((buf[0] << 8) + buf[1]);
+}
+
+static int
+get_sfp_status(struct i2c_info *ii, struct ifconfig_sfp_status *ss)
+{
+ uint8_t diag_type, flags;
+
+ /* Read diagnostic monitoring type */
+ read_i2c(ii, SFF_8472_BASE, SFF_8472_DIAG_TYPE, 1, (caddr_t)&diag_type);
+ if (ii->error != 0)
+ return (-1);
+
+ /*
+ * Read monitoring data IFF it is supplied AND is
+ * internally calibrated
+ */
+ flags = SFF_8472_DDM_DONE | SFF_8472_DDM_INTERNAL;
+ if ((diag_type & flags) != flags) {
+ ii->h->error.errtype = OTHER;
+ ii->h->error.errcode = ENXIO;
+ return (-1);
+ }
+
+ ss->temp = get_sff_temp(ii, SFF_8472_DIAG, SFF_8472_TEMP);
+ ss->voltage = get_sff_voltage(ii, SFF_8472_DIAG, SFF_8472_VCC);
+ ss->power[0].rx = get_sff_power(ii, SFF_8472_DIAG, SFF_8472_RX_POWER);
+ ss->power[0].tx = get_sff_power(ii, SFF_8472_DIAG, SFF_8472_TX_POWER);
+ return (ii->error);
+}
+
+static uint32_t
+get_qsfp_bitrate(struct i2c_info *ii)
+{
+ uint8_t code;
+ uint32_t rate;
+
+ code = 0;
+ read_i2c(ii, SFF_8436_BASE, SFF_8436_BITRATE, 1, &code);
+ rate = code * 100;
+ if (code == 0xFF) {
+ read_i2c(ii, SFF_8436_BASE, SFF_8636_BITRATE, 1, &code);
+ rate = code * 250;
+ }
+
+ return (rate);
+}
+
+static int
+get_qsfp_status(struct i2c_info *ii, struct ifconfig_sfp_status *ss)
+{
+ ss->temp = get_sff_temp(ii, SFF_8436_BASE, SFF_8436_TEMP);
+ ss->voltage = get_sff_voltage(ii, SFF_8436_BASE, SFF_8436_VCC);
+ for (size_t chan = 0; chan < nitems(ss->power); ++chan) {
+ uint8_t rxoffs = SFF_8436_RX_CH1_MSB + chan * sizeof(uint16_t);
+ uint8_t txoffs = SFF_8436_TX_CH1_MSB + chan * sizeof(uint16_t);
+ ss->power[chan].rx = get_sff_power(ii, SFF_8436_BASE, rxoffs);
+ ss->power[chan].tx = get_sff_power(ii, SFF_8436_BASE, txoffs);
+ }
+ ss->bitrate = get_qsfp_bitrate(ii);
+ return (ii->error);
+}
+
+int
+ifconfig_sfp_get_sfp_status(ifconfig_handle_t *h, const char *name,
+ struct ifconfig_sfp_status *ss)
+{
+ struct i2c_info ii;
+
+ memset(ss, 0, sizeof(*ss));
+
+ if (i2c_info_init(&ii, h, name) != 0)
+ return (-1);
+
+ if (ii.qsfp)
+ return (get_qsfp_status(&ii, ss));
+ return (get_sfp_status(&ii, ss));
+}
+
+static const char *
+sfp_id_string_alt(uint8_t value)
+{
+ const char *id;
+
+ if (value <= SFF_8024_ID_LAST)
+ id = sff_8024_id[value];
+ else if (value > 0x80)
+ id = "Vendor specific";
+ else
+ id = "Reserved";
+
+ return (id);
+}
+
+static const char *
+sfp_conn_string_alt(uint8_t value)
+{
+ const char *conn;
+
+ if (value >= 0x0D && value <= 0x1F)
+ conn = "Unallocated";
+ else if (value >= 0x24 && value <= 0x7F)
+ conn = "Unallocated";
+ else
+ conn = "Vendor specific";
+
+ return (conn);
+}
+
+void
+ifconfig_sfp_get_sfp_info_strings(struct ifconfig_sfp_info *sfp,
+ struct ifconfig_sfp_info_strings *strings)
+{
+ get_sfp_info_strings(sfp, strings);
+ if (strings->sfp_id == NULL)
+ strings->sfp_id = sfp_id_string_alt(sfp->sfp_id);
+ if (strings->sfp_conn == NULL)
+ strings->sfp_conn = sfp_conn_string_alt(sfp->sfp_conn);
+ if (strings->sfp_rev == NULL)
+ strings->sfp_rev = "Unallocated";
+}
+
+int
+ifconfig_sfp_get_sfp_dump(ifconfig_handle_t *h, const char *name,
+ struct ifconfig_sfp_dump *dump)
+{
+ struct i2c_info ii;
+ uint8_t *buf = dump->data;
+
+ memset(dump->data, 0, sizeof(dump->data));
+
+ if (i2c_info_init(&ii, h, name) != 0)
+ return (-1);
+
+ if (ii.qsfp) {
+ dump->qsfp = true;
+ read_i2c(&ii, SFF_8436_BASE, QSFP_DUMP0_START, QSFP_DUMP0_SIZE,
+ buf);
+ read_i2c(&ii, SFF_8436_BASE, QSFP_DUMP1_START, QSFP_DUMP1_SIZE,
+ buf + QSFP_DUMP1_START);
+ } else {
+ read_i2c(&ii, SFF_8472_BASE, SFP_DUMP_START, SFP_DUMP_SIZE,
+ buf);
+ }
+
+ return (ii.error != 0 ? -1 : 0);
+}
Index: lib/libifconfig/sfp.lua
===================================================================
--- /dev/null
+++ lib/libifconfig/sfp.lua
@@ -0,0 +1,620 @@
+#!/usr/libexec/flua
+local license = [[
+/*-
+ * Copyright (c) 2020, Ryan Moeller <freqlabs@FreeBSD.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+]]
+
+enums = {
+ "SFF-8024 Rev. 4.6 Table 4-1: Indentifier Values",
+ {
+ name = "id",
+ description = "Transceiver identifier",
+ bits = 8,
+ values = {
+ {0x00, "UNKNOWN", "Unknown", "Unknown or unspecified"},
+ {0x01, "GBIC", "GBIC", "GBIC"},
+ {0x02, "SFF", "SFF",
+ "Module soldered to motherboard (ex: SFF)"},
+ {0x03, "SFP", "SFP/SFP+/SFP28", "SFP or SFP+"},
+ {0x04, "XBI", "XBI", "300 pin XBI"},
+ {0x05, "XENPAK", "Xenpak", "Xenpak"},
+ {0x06, "XFP", "XFP", "XFP"},
+ {0x07, "XFF", "XFF", "XFF"},
+ {0x08, "XFPE", "XFP-E", "XFP-E"},
+ {0x09, "XPAK", "XPAK", "XPAK"},
+ {0x0A, "X2", "X2", "X2"},
+ {0x0B, "DWDM_SFP", "DWDM-SFP/SFP+", "DWDM-SFP/SFP+"},
+ {0x0C, "QSFP", "QSFP", "QSFP"},
+ {0x0D, "QSFPPLUS", "QSFP+", "QSFP+ or later"},
+ {0x0E, "CXP", "CXP", "CXP"},
+ {0x0F, "HD4X", "HD4X",
+ "Shielded Mini Multilane HD 4X"},
+ {0x10, "HD8X", "HD8X",
+ "Shielded Mini Multilane HD 8X"},
+ {0x11, "QSFP28", "QSFP28", "QSFP28 or later"},
+ {0x12, "CXP2", "CXP2", "CXP2 (aka CXP28)"},
+ {0x13, "CDFP", "CDFP", "CDFP (Style 1/Style 2)"},
+ {0x14, "SMM4", "SMM4",
+ "Shielded Mini Multilane HD 4X fanout"},
+ {0x15, "SMM8", "SMM8",
+ "Shielded Mini Multilane HD 8X fanout"},
+ {0x16, "CDFP3", "CDFP3", "CDFP (Style 3)"},
+ {0x17, "MICROQSFP", "microQSFP", "microQSFP"},
+ {0x18, "QSFP_DD", "QSFP-DD",
+ "QSFP-DD 8X pluggable transceiver"},
+ {0x19, "QSFP8X", "QSFP8X",
+ "QSFP 8X pluggable transceiver"},
+ {0x1A, "SFP_DD", "SFP-DD",
+ "SFP-DD 2X pluggable transceiver"},
+ {0x1B, "DSFP", "DSFP",
+ "DSFP Dual SFP pluggable transceiver"},
+ {0x1C, "X4ML", "x4MiniLink/OcuLink", "x4 MiniLink/OcuLink"},
+ {0x1D, "X8ML", "x8MiniLink", "x8 MiniLink"},
+ {0x1E, "QSFP_CMIS", "QSFP+(CMIS)",
+ "QSFP+ or later w/Common Management Interface Specification"},
+ },
+ },
+ "SFF-8024 Rev. 4.6 Table 4-3: Connector Types",
+ {
+ name = "conn",
+ description = "Connector type",
+ bits = 8,
+ values = {
+ {0x00, "UNKNOWN", "Unknown"},
+ {0x01, "SC", "SC"},
+ {0x02, "FC_1_COPPER", "Fibre Channel Style 1 copper"},
+ {0x03, "FC_2_COPPER", "Fibre Channel Style 2 copper"},
+ {0x04, "BNC_TNC", "BNC/TNC"},
+ {0x05, "FC_COAX", "Fibre Channel coaxial"},
+ {0x06, "FIBER_JACK", "Fiber Jack"},
+ {0x07, "LC", "LC"},
+ {0x08, "MT_RJ", "MT-RJ"},
+ {0x09, "MU", "MU"},
+ {0x0A, "SG", "SG"},
+ {0x0B, "OPTICAL_PIGTAIL", "Optical pigtail"},
+ {0x0C, "MPO_1X12_POPTIC", "MPO 1x12 Parallel Optic"},
+ {0x0D, "MPO_2X16_POPTIC", "MPO 2x16 Parallel Optic"},
+ {0x20, "HSSDC_II", "HSSDC II"},
+ {0x21, "COPPER_PIGTAIL", "Copper pigtail"},
+ {0x22, "RJ45", "RJ45"},
+ {0x23, "NONE", "No separable connector"},
+ {0x24, "MXC_2X16", "MXC 2x16"},
+ {0x25, "CS_OPTICAL", "CS optical connector"},
+ {0x26, "MINI_CS_OPTICAL", "Mini CS optical connector"},
+ {0x27, "MPO_2X12_POPTIC", "MPO 2x12 Parallel Optic"},
+ {0x28, "MPO_1X16_POPTIC", "MPO 1x16 Parallel Optic"},
+ },
+ },
+ "SFF-8472 Rev. 11.4 table 3.5: Transceiver codes",
+ "10G Ethernet/IB compliance codes, byte 3",
+ {
+ name = "eth_10g",
+ description = "10G Ethernet/IB compliance",
+ bits = 8,
+ values = {
+ {0x80, "10G_BASE_ER", "10G Base-ER"},
+ {0x40, "10G_BASE_LRM", "10G Base-LRM"},
+ {0x20, "10G_BASE_LR", "10G Base-LR"},
+ {0x10, "10G_BASE_SR", "10G Base-SR"},
+ {0x08, "1X_SX", "1X SX"},
+ {0x04, "1X_LX", "1X LX"},
+ {0x02, "1X_COPPER_ACTIVE", "1X Copper Active"},
+ {0x01, "1X_COPPER_PASSIVE", "1X Copper Passive"},
+ },
+ },
+ "Ethernet compliance codes, byte 6",
+ {
+ name = "eth",
+ description = "Ethernet compliance",
+ bits = 8,
+ values = {
+ {0x80, "BASE_PX", "BASE-PX"},
+ {0x40, "BASE_BX10", "BASE-BX10"},
+ {0x20, "100BASE_FX", "100BASE-FX"},
+ {0x10, "100BASE_LX_LX10", "100BASE-LX/LX10"},
+ {0x08, "1000BASE_T", "1000BASE-T"},
+ {0x04, "1000BASE_CX", "1000BASE-CX"},
+ {0x02, "1000BASE_LX", "1000BASE-LX"},
+ {0x01, "1000BASE_SX", "1000BASE-SX"},
+ },
+ },
+ "FC link length, byte 7",
+ {
+ name = "fc_len",
+ description = "Fibre Channel link length",
+ bits = 8,
+ values = {
+ {0x80, "VERY_LONG", "very long distance"},
+ {0x40, "SHORT", "short distance"},
+ {0x20, "INTERMEDIATE", "intermediate distance"},
+ {0x10, "LONG", "long distance"},
+ {0x08, "MEDIUM", "medium distance"},
+ },
+ },
+ "Channel/Cable technology, byte 7-8",
+ {
+ name = "cab_tech",
+ description = "Channel/cable technology",
+ bits = 16,
+ values = {
+ {0x0400, "SA", "Shortwave laser (SA)"},
+ {0x0200, "LC", "Longwave laser (LC)"},
+ {0x0100, "EL_INTER", "Electrical inter-enclosure (EL)"},
+ {0x0080, "EL_INTRA", "Electrical intra-enclosure (EL)"},
+ {0x0040, "SN", "Shortwave laser (SN)"},
+ {0x0020, "SL", "Shortwave laser (SL)"},
+ {0x0010, "LL", "Longwave laser (LL)"},
+ {0x0008, "ACTIVE", "Active Cable"},
+ {0x0004, "PASSIVE", "Passive Cable"},
+ },
+ },
+ "FC Transmission media, byte 9",
+ {
+ name = "fc_media",
+ description = "Fibre Channel transmission media",
+ bits = 8,
+ values = {
+ {0x80, "TW", "Twin Axial Pair (TW)"},
+ {0x40, "TP", "Twisted Pair (TP)"},
+ {0x20, "MI", "Miniature Coax (MI)"},
+ {0x10, "TV", "Video Coax (TV)"},
+ {0x08, "M6", "Miltimode 62.5um (M6)"},
+ {0x04, "M5", "Multimode 50um (M5)"},
+ {0x02, "RESERVED", "Reserved"},
+ {0x01, "SM", "Single Mode (SM)"},
+ },
+ },
+ "FC Speed, byte 10",
+ {
+ name = "fc_speed",
+ description = "Fibre Channel speed",
+ bits = 8,
+ values = {
+ {0x80, "1200", "1200 MBytes/sec"},
+ {0x40, "800", "800 MBytes/sec"},
+ {0x20, "1600", "1600 MBytes/sec"},
+ {0x10, "400", "400 MBytes/sec"},
+ {0x08, "3200", "3200 MBytes/sec"},
+ {0x04, "200", "200 MBytes/sec"},
+ {0x01, "100", "100 MBytes/sec"},
+ },
+ },
+ "SFF-8436 Rev. 4.8 table 33: Specification compliance",
+ "10/40G Ethernet compliance codes, byte 128 + 3",
+ {
+ name = "eth_1040g",
+ description = "10/40G Ethernet compliance",
+ bits = 8,
+ values = {
+ {0x80, "EXTENDED", "Extended"},
+ {0x40, "10GBASE_LRM", "10GBASE-LRM"},
+ {0x20, "10GBASE_LR", "10GBASE-LR"},
+ {0x10, "10GBASE_SR", "10GBASE-SR"},
+ {0x08, "40GBASE_CR4", "40GBASE-CR4"},
+ {0x04, "40GBASE_SR4", "40GBASE-SR4"},
+ {0x02, "40GBASE_LR4", "40GBASE-LR4"},
+ {0x01, "40G_ACTIVE", "40G Active Cable"},
+ },
+ },
+ "SFF-8024 Rev. 4.6 table 4-4: Extended Specification Compliance",
+ {
+ name = "eth_ext",
+ description = "Extended specification compliance",
+ bits = 8,
+ values = {
+ {0xFF, "RESERVED_FF", "Reserved"},
+ {0x55, "128GFC_LW", "128GFC LW"},
+ {0x54, "128GFC_SW", "128GFC SW"},
+ {0x53, "128GFC_EA", "128GFC EA"},
+ {0x52, "64GFC_LW", "64GFC LW"},
+ {0x51, "64GFC_SW", "64GFC SW"},
+ {0x50, "64GFC_EA", "64GFC EA"},
+ {0x4F, "RESERVED_4F", "Reserved"},
+ {0x4E, "RESERVED_4E", "Reserved"},
+ {0x4D, "RESERVED_4D", "Reserved"},
+ {0x4C, "RESERVED_4C", "Reserved"},
+ {0x4B, "RESERVED_4B", "Reserved"},
+ {0x4A, "RESERVED_4A", "Reserved"},
+ {0x49, "RESERVED_49", "Reserved"},
+ {0x48, "RESERVED_48", "Reserved"},
+ {0x47, "RESERVED_47", "Reserved"},
+ {0x46, "200GBASE_LR4", "200GBASE-LR4"},
+ {0x45, "50GBASE_LR", "50GBASE-LR"},
+ {0x44, "200G_1550NM_PSM4", "200G 1550nm PSM4"},
+ {0x43, "200GBASE_FR4", "200GBASE-FR4"},
+ {0x42, "50GBASE_FR_200GBASE_DR4", "50GBASE-FR or 200GBASE-DR4"},
+ {0x41, "50GBASE_SR_100GBASE_SR2_200GBASE_SR4",
+ "50GBASE-SR/100GBASE-SR2/200GBASE-SR4"},
+ {0x40, "50GBASE_CR_100GBASE_CR2_200GBASE_CR4",
+ "50GBASE-CR/100GBASE-CR2/200GBASE-CR4"},
+ {0x3F, "RESERVED_3F", "Reserved"},
+ {0x3E, "RESERVED_3E", "Reserved"},
+ {0x3D, "RESERVED_3D", "Reserved"},
+ {0x3C, "RESERVED_3C", "Reserved"},
+ {0x3B, "RESERVED_3B", "Reserved"},
+ {0x3A, "RESERVED_3A", "Reserved"},
+ {0x39, "RESERVED_39", "Reserved"},
+ {0x38, "RESERVED_38", "Reserved"},
+ {0x37, "RESERVED_37", "Reserved"},
+ {0x36, "RESERVED_36", "Reserved"},
+ {0x35, "RESERVED_35", "Reserved"},
+ {0x34, "RESERVED_34", "Reserved"},
+ {0x33, "50_100_200GAUI_AOC_HI_BER",
+ "50GAUI/100GAUI-2/200GAUI-4 AOC (BER <2.6e-4)"},
+ {0x32, "50_100_200GAUI_ACC_HI_BER",
+ "50GAUI/100GAUI-2/200GAUI-4 ACC (BER <2.6e-4)"},
+ {0x31, "50_100_200GAUI_AOC_LO_BER",
+ "50GAUI/100GAUI-2/200GAUI-4 AOC (BER <1e-6)"},
+ {0x30, "50_100_200GAUI_ACC_LO_BER",
+ "50GAUI/100GAUI-2/200GAUI-4 ACC (BER <1e-6)"},
+ {0x2F, "RESERVED_2F", "Reserved"},
+ {0x2E, "RESERVED_2E", "Reserved"},
+ {0x2D, "RESERVED_2D", "Reserved"},
+ {0x2C, "RESERVED_2C", "Reserved"},
+ {0x2B, "RESERVED_2B", "Reserved"},
+ {0x2A, "RESERVED_2A", "Reserved"},
+ {0x29, "RESERVED_29", "Reserved"},
+ {0x28, "RESERVED_28", "Reserved"},
+ {0x27, "100G_LR", "100G-LR"},
+ {0x26, "100G_FR", "100G-FR"},
+ {0x25, "100GBASE_DR", "100GBASE-DR"},
+ {0x24, "4WDM_40_MSA", "4WDM-40 MSA"},
+ {0x23, "4WDM_20_MSA", "4WDM-20 MSA"},
+ {0x22, "4WDM_10_MSA", "4WDM-10 MSA"},
+ {0x21, "100G_PAM4_BIDI", "100G PAM4 BiDi"},
+ {0x20, "100G_SWDM4", "100G SWDM4"},
+ {0x1F, "40G_SWDM4", "40G SWDM4"},
+ {0x1E, "2_5GBASE_T", "2.5GBASE-T"},
+ {0x1D, "5GBASE_T", "5GBASE-T"},
+ {0x1C, "10GBASE_T_SR", "10GBASE-T Short Reach"},
+ {0x1B, "100G_1550NM_WDM", "100G 1550nm WDM"},
+ {0x1A, "100GE_DWDM2", "100GE-DWDM2"},
+ {0x19, "100G_25GAUI_C2M_ACC", "100G ACC or 25GAUI C2M ACC"},
+ {0x18, "100G_25GAUI_C2M_AOC", "100G AOC or 25GAUI C2M AOC"},
+ {0x17, "100G_CLR4", "100G CLR4"},
+ {0x16, "10GBASE_T_SFI",
+ "10GBASE-T with SFI electrical interface"},
+ {0x15, "G959_1_P1L1_2D2", "G959.1 profile P1L1-2D2"},
+ {0x14, "G959_1_P1S1_2D2", "G959.1 profile P1S1-2D2"},
+ {0x13, "G959_1_P1I1_2D1", "G959.1 profile P1I1-2D1"},
+ {0x12, "40G_PSM4", "40G PSM4 Parallel SMF"},
+ {0x11, "4X_10GBASE_SR", "4 x 10GBASE-SR"},
+ {0x10, "40GBASE_ER4", "40GBASE-ER4"},
+ {0x0F, "RESERVED_0F", "Reserved"},
+ {0x0E, "RESERVED_0E", "Reserved"},
+ {0x0D, "CA_25G_N", "25GBASE-CR CA-25G-N"},
+ {0x0C, "CA_25G_S", "25GBASE-CR CA-25G-S"},
+ {0x0B, "CA_L", "100GBASE-CR4 or 25GBASE-CR CA-L"},
+ {0x0A, "RESERVED_0A", "Reserved"},
+ {0x09, "OBSOLETE", "Obsolete"},
+ {0x08, "100G_25GAUI_C2M_ACC_1",
+ "100G ACC (Active Copper Cable"},
+ {0x07, "100G_PSM4_P_SMF", "100G PSM4 Parallel SMF"},
+ {0x06, "100G_CWDM4", "100G CWDM4"},
+ {0x05, "100GBASE_SR10", "100GBASE-SR10"},
+ {0x04, "100GBASE_ER4_25GBASE_ER", "100GBASE-ER4 or 25GBASE-ER"},
+ {0x03, "100GBASE_LR4_25GBASE_LR", "100GBASE-LR4 or 25GBASE-LR"},
+ {0x02, "100GBASE_SR4_25GBASE_SR", "100GBASE-SR4 or 25GBASE-SR"},
+ {0x01, "100G_25GAUI_C2M_AOC_1",
+ "100G AOC (Active Optical Cable"},
+ {0x00, "UNSPECIFIED", "Unspecified"},
+ },
+ },
+ "SFF-8636 Rev. 2.9 table 6.3: Revision compliance",
+ {
+ name = "rev",
+ description = "Revision compliance",
+ bits = 8,
+ values = {
+ {0x1, "SFF_8436_REV_LE_4_8", "SFF-8436 rev <=4.8"},
+ {0x2, "SFF_8436_REV_LE_4_8_ALT", "SFF-8436 rev <=4.8"},
+ {0x3, "SFF_8636_REV_LE_1_3", "SFF-8636 rev <=1.3"},
+ {0x4, "SFF_8636_REV_LE_1_4", "SFF-8636 rev <=1.4"},
+ {0x5, "SFF_8636_REV_LE_1_5", "SFF-8636 rev <=1.5"},
+ {0x6, "SFF_8636_REV_LE_2_0", "SFF-8636 rev <=2.0"},
+ {0x7, "SFF_8636_REV_LE_2_7", "SFF-8636 rev <=2.7"},
+ {0x8, "SFF_8363_REV_GE_2_8", "SFF-8636 rev >=2.8"},
+ {0x0, "UNSPECIFIED", "Unspecified"},
+ },
+ },
+}
+
+-- The rest of this file formats the above table as C source code.
+
+package.path = (os.getenv("SRCTOP") or "/usr/src").."/tools/lua/?.lua"
+local template = require("template")
+
+license_header = string.sub(license, 1, #license-1)
+generated_notice = [[
+/*
+ * Autogenerated file, do not edit!
+ *
+ * See sfp.lua instead.
+ */
+]]
+
+local header = template.process([[{*license_header*}
+{*generated_notice*}
+
+#pragma once
+
+#include <stdint.h>
+
+{%
+for i, ent in ipairs(enums) do
+ if type(ent) == "string" then
+%}
+/*
+ * {*ent*}
+ */
+
+{%
+ else
+ local enum = ent
+ local name = "sfp_"..enum.name
+ local num, sym, disp, desc
+%}
+/** {*enum.description*} */
+enum {{name}} {
+{%
+ for _, item in ipairs(enum.values) do
+ num, sym, disp, desc = table.unpack(item)
+ local symbol = string.upper(name).."_"..sym
+%}
+ {{symbol}} = {{num}}, /**< {*desc or disp*} */
+{%
+ end
+%}
+};
+
+/** Get the symbolic name of a given {{name}} value */
+const char *ifconfig_{{name}}_symbol(enum {{name}});
+
+/** Get a user-friendly display name for a given {{name}} value */
+const char *ifconfig_{{name}}_display(enum {{name}});
+
+{%
+ if desc then
+%}
+/** Get a longer description of a given {{name}} value */
+const char *ifconfig_{{name}}_description(enum {{name}});
+
+{%
+ end
+ end
+end
+%}
+/*
+ * Descriptions of each enum
+ */
+
+{%
+for i, ent in ipairs(enums) do
+ if type(ent) == "table" then
+ local enum = ent
+ local name = "sfp_"..enum.name
+%}
+/** Get a brief description of the {{name}} enum */
+static inline const char *
+ifconfig_enum_{{name}}_description(void)
+{
+ return ("{*enum.description*}");
+}
+
+{%
+ end
+end
+%}
+/*
+ * Info struct definitions
+ */
+
+struct ifconfig_sfp_info {
+{%
+for i, ent in ipairs(enums) do
+ if type(ent) == "table" then
+ local enum = ent
+ local name = "sfp_"..enum.name
+ local t = string.format("uint%d_t", enum.bits)
+%}
+ {{t}} {{name}}; /**< {*enum.description*} */
+{%
+ end
+end
+%}
+};
+
+struct ifconfig_sfp_info_strings {
+{%
+for i, ent in ipairs(enums) do
+ if type(ent) == "table" then
+ local enum = ent
+ local name = "sfp_"..enum.name
+%}
+ const char *{{name}}; /**< {*enum.description*} */
+{%
+ end
+end
+%}
+};]])
+
+local source = template.process([[{*license_header*}
+{*generated_notice*}
+
+#include <libifconfig_sfp_enums.h>
+#include <libifconfig_sfp_enums_internal.h>
+
+struct sfp_enum_metadata {
+ int number; /* numeric discriminant value */
+ const char *symbol; /* symbolic name */
+ const char *display; /* display name */
+ const char *description; /* detailed description */
+};
+
+const struct sfp_enum_metadata *
+find_metadata(const struct sfp_enum_metadata *table, int number)
+{
+ while (table->number != number && table->symbol != NULL)
+ ++table;
+ return (table->symbol != NULL ? table : NULL);
+}
+
+{%
+for i, ent in ipairs(enums) do
+ if type(ent) == "string" then
+%}
+/*
+ * {*ent*}
+ */
+
+{%
+ else
+ local enum = ent
+ local name = "sfp_"..enum.name
+ local num, sym, disp, desc
+%}
+static const struct sfp_enum_metadata {{name}}_table_[] = {
+{%
+ for _, item in ipairs(enum.values) do
+ _num, sym, disp, desc = table.unpack(item)
+ local symbol = string.upper(name).."_"..sym
+%}
+ {
+ .number = {{symbol}},
+ .symbol = "{{symbol}}",
+ .display = "{*disp*}",
+{%
+ if desc then
+%}
+ .description = "{*desc*}",
+{%
+ end
+%}
+ },
+{%
+ end
+%}
+ {0}
+};
+const struct sfp_enum_metadata *{{name}}_table = {{name}}_table_;
+
+const char *
+ifconfig_{{name}}_symbol(enum {{name}} v)
+{
+ const struct sfp_enum_metadata *metadata;
+
+ if ((metadata = find_metadata({{name}}_table, v)) == NULL)
+ return (NULL);
+ return (metadata->symbol);
+}
+
+const char *
+ifconfig_{{name}}_display(enum {{name}} v)
+{
+ const struct sfp_enum_metadata *metadata;
+
+ if ((metadata = find_metadata({{name}}_table, v)) == NULL)
+ return (NULL);
+ return (metadata->display);
+}
+
+{%
+ if desc then
+%}
+const char *
+ifconfig_{{name}}_description(enum {{name}} v)
+{
+ const struct sfp_enum_metadata *metadata;
+
+ if ((metadata = find_metadata({{name}}_table, v)) == NULL)
+ return (NULL);
+ return (metadata->description);
+}
+
+{%
+ end
+ end
+end
+%}]])
+
+local internal = template.process([[{*license_header*}
+{*generated_notice*}
+
+#pragma once
+
+#include <libifconfig_sfp.h>
+#include <libifconfig_sfp_enums.h>
+
+struct sfp_enum_metadata;
+const struct sfp_enum_metadata *find_metadata(const struct sfp_enum_metadata *,
+ int);
+
+{%
+for i, ent in ipairs(enums) do
+ if type(ent) == "table" then
+ local enum = ent
+ local name = "sfp_"..enum.name
+%}
+extern const struct sfp_enum_metadata *{{name}}_table;
+{%
+ end
+end
+%}
+
+static inline void
+get_sfp_info_strings(struct ifconfig_sfp_info *sfp,
+ struct ifconfig_sfp_info_strings *strings)
+{
+{%
+for i, ent in ipairs(enums) do
+ if type(ent) == "table" then
+ local enum = ent
+ local name = "sfp_"..enum.name
+%}
+ strings->{{name}} = ifconfig_{{name}}_display(sfp->{{name}});
+{%
+ end
+end
+%}
+}]])
+
+local name = "libifconfig_sfp_enums"
+do
+ local f = assert(io.open(name..".h", "w"))
+ f:write(header)
+ f:close()
+end
+do
+ local f = assert(io.open(name..".c", "w"))
+ f:write(source)
+ f:close()
+end
+do
+ local f = assert(io.open(name.."_internal.h", "w"))
+ f:write(internal)
+ f:close()
+end
Index: tools/lua/template.lua
===================================================================
--- /dev/null
+++ tools/lua/template.lua
@@ -0,0 +1,651 @@
+-- From lua-resty-template (modified to remove external dependencies)
+--[[
+Copyright (c) 2014 - 2020 Aapo Talvensaari
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+ list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice, this
+ list of conditions and the following disclaimer in the documentation and/or
+ other materials provided with the distribution.
+
+* Neither the name of the {organization} nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+]]--
+
+local setmetatable = setmetatable
+local loadstring = loadstring
+local tostring = tostring
+local setfenv = setfenv
+local require = require
+local concat = table.concat
+local assert = assert
+local write = io.write
+local pcall = pcall
+local phase
+local open = io.open
+local load = load
+local type = type
+local dump = string.dump
+local find = string.find
+local gsub = string.gsub
+local byte = string.byte
+local null
+local sub = string.sub
+local var
+
+local _VERSION = _VERSION
+local _ENV = _ENV -- luacheck: globals _ENV
+local _G = _G
+
+local HTML_ENTITIES = {
+ ["&"] = "&amp;",
+ ["<"] = "&lt;",
+ [">"] = "&gt;",
+ ['"'] = "&quot;",
+ ["'"] = "&#39;",
+ ["/"] = "&#47;"
+}
+
+local CODE_ENTITIES = {
+ ["{"] = "&#123;",
+ ["}"] = "&#125;",
+ ["&"] = "&amp;",
+ ["<"] = "&lt;",
+ [">"] = "&gt;",
+ ['"'] = "&quot;",
+ ["'"] = "&#39;",
+ ["/"] = "&#47;"
+}
+
+local VAR_PHASES
+
+local ESC = byte("\27")
+local NUL = byte("\0")
+local HT = byte("\t")
+local VT = byte("\v")
+local LF = byte("\n")
+local SOL = byte("/")
+local BSOL = byte("\\")
+local SP = byte(" ")
+local AST = byte("*")
+local NUM = byte("#")
+local LPAR = byte("(")
+local LSQB = byte("[")
+local LCUB = byte("{")
+local MINUS = byte("-")
+local PERCNT = byte("%")
+
+local EMPTY = ""
+
+local VIEW_ENV
+if _VERSION == "Lua 5.1" then
+ VIEW_ENV = { __index = function(t, k)
+ return t.context[k] or t.template[k] or _G[k]
+ end }
+else
+ VIEW_ENV = { __index = function(t, k)
+ return t.context[k] or t.template[k] or _ENV[k]
+ end }
+end
+
+local newtab
+do
+ local ok
+ ok, newtab = pcall(require, "table.new")
+ if not ok then newtab = function() return {} end end
+end
+
+local function enabled(val)
+ if val == nil then return true end
+ return val == true or (val == "1" or val == "true" or val == "on")
+end
+
+local function trim(s)
+ return gsub(gsub(s, "^%s+", EMPTY), "%s+$", EMPTY)
+end
+
+local function rpos(view, s)
+ while s > 0 do
+ local c = byte(view, s, s)
+ if c == SP or c == HT or c == VT or c == NUL then
+ s = s - 1
+ else
+ break
+ end
+ end
+ return s
+end
+
+local function escaped(view, s)
+ if s > 1 and byte(view, s - 1, s - 1) == BSOL then
+ if s > 2 and byte(view, s - 2, s - 2) == BSOL then
+ return false, 1
+ else
+ return true, 1
+ end
+ end
+ return false, 0
+end
+
+local function read_file(path)
+ local file, err = open(path, "rb")
+ if not file then return nil, err end
+ local content
+ content, err = file:read "*a"
+ file:close()
+ return content, err
+end
+
+local function load_view(template)
+ return function(view, plain)
+ if plain == true then return view end
+ local path, root = view, template.root
+ if root and root ~= EMPTY then
+ if byte(root, -1) == SOL then root = sub(root, 1, -2) end
+ if byte(view, 1) == SOL then path = sub(view, 2) end
+ path = root .. "/" .. path
+ end
+ return plain == false and assert(read_file(path)) or read_file(path) or view
+ end
+end
+
+local function load_file(func)
+ return function(view) return func(view, false) end
+end
+
+local function load_string(func)
+ return function(view) return func(view, true) end
+end
+
+local function loader(template)
+ return function(view)
+ return assert(load(view, nil, nil, setmetatable({ template = template }, VIEW_ENV)))
+ end
+end
+
+local function visit(visitors, content, tag, name)
+ if not visitors then
+ return content
+ end
+
+ for i = 1, visitors.n do
+ content = visitors[i](content, tag, name)
+ end
+
+ return content
+end
+
+local function new(template, safe)
+ template = template or newtab(0, 26)
+
+ template._VERSION = "2.0"
+ template.cache = {}
+ template.load = load_view(template)
+ template.load_file = load_file(template.load)
+ template.load_string = load_string(template.load)
+ template.print = write
+
+ local load_chunk = loader(template)
+
+ local caching
+ if VAR_PHASES and VAR_PHASES[phase()] then
+ caching = enabled(var.template_cache)
+ else
+ caching = true
+ end
+
+ local visitors
+ function template.visit(func)
+ if not visitors then
+ visitors = { func, n = 1 }
+ return
+ end
+ visitors.n = visitors.n + 1
+ visitors[visitors.n] = func
+ end
+
+ function template.caching(enable)
+ if enable ~= nil then caching = enable == true end
+ return caching
+ end
+
+ function template.output(s)
+ if s == nil or s == null then return EMPTY end
+ if type(s) == "function" then return template.output(s()) end
+ return tostring(s)
+ end
+
+ function template.escape(s, c)
+ if type(s) == "string" then
+ if c then return gsub(s, "[}{\">/<'&]", CODE_ENTITIES) end
+ return gsub(s, "[\">/<'&]", HTML_ENTITIES)
+ end
+ return template.output(s)
+ end
+
+ function template.new(view, layout)
+ local vt = type(view)
+
+ if vt == "boolean" then return new(nil, view) end
+ if vt == "table" then return new(view, safe) end
+ if vt == "nil" then return new(nil, safe) end
+
+ local render
+ local process
+ if layout then
+ if type(layout) == "table" then
+ render = function(self, context)
+ context = context or self
+ context.blocks = context.blocks or {}
+ context.view = template.process(view, context)
+ layout.blocks = context.blocks or {}
+ layout.view = context.view or EMPTY
+ layout:render()
+ end
+ process = function(self, context)
+ context = context or self
+ context.blocks = context.blocks or {}
+ context.view = template.process(view, context)
+ layout.blocks = context.blocks or {}
+ layout.view = context.view
+ return tostring(layout)
+ end
+ else
+ render = function(self, context)
+ context = context or self
+ context.blocks = context.blocks or {}
+ context.view = template.process(view, context)
+ template.render(layout, context)
+ end
+ process = function(self, context)
+ context = context or self
+ context.blocks = context.blocks or {}
+ context.view = template.process(view, context)
+ return template.process(layout, context)
+ end
+ end
+ else
+ render = function(self, context)
+ return template.render(view, context or self)
+ end
+ process = function(self, context)
+ return template.process(view, context or self)
+ end
+ end
+
+ if safe then
+ return setmetatable({
+ render = function(...)
+ local ok, err = pcall(render, ...)
+ if not ok then
+ return nil, err
+ end
+ end,
+ process = function(...)
+ local ok, output = pcall(process, ...)
+ if not ok then
+ return nil, output
+ end
+ return output
+ end,
+ }, {
+ __tostring = function(...)
+ local ok, output = pcall(process, ...)
+ if not ok then
+ return ""
+ end
+ return output
+ end })
+ end
+
+ return setmetatable({
+ render = render,
+ process = process
+ }, {
+ __tostring = process
+ })
+ end
+
+ function template.precompile(view, path, strip, plain)
+ local chunk = dump(template.compile(view, nil, plain), strip ~= false)
+ if path then
+ local file = open(path, "wb")
+ file:write(chunk)
+ file:close()
+ end
+ return chunk
+ end
+
+ function template.precompile_string(view, path, strip)
+ return template.precompile(view, path, strip, true)
+ end
+
+ function template.precompile_file(view, path, strip)
+ return template.precompile(view, path, strip, false)
+ end
+
+ function template.compile(view, cache_key, plain)
+ assert(view, "view was not provided for template.compile(view, cache_key, plain)")
+ if cache_key == "no-cache" then
+ return load_chunk(template.parse(view, plain)), false
+ end
+ cache_key = cache_key or view
+ local cache = template.cache
+ if cache[cache_key] then return cache[cache_key], true end
+ local func = load_chunk(template.parse(view, plain))
+ if caching then cache[cache_key] = func end
+ return func, false
+ end
+
+ function template.compile_file(view, cache_key)
+ return template.compile(view, cache_key, false)
+ end
+
+ function template.compile_string(view, cache_key)
+ return template.compile(view, cache_key, true)
+ end
+
+ function template.parse(view, plain)
+ assert(view, "view was not provided for template.parse(view, plain)")
+ if plain ~= true then
+ view = template.load(view, plain)
+ if byte(view, 1, 1) == ESC then return view end
+ end
+ local j = 2
+ local c = {[[
+context=... or {}
+local ___,blocks,layout={},blocks or {}
+local function include(v, c) return template.process(v, c or context) end
+local function echo(...) for i=1,select("#", ...) do ___[#___+1] = tostring(select(i, ...)) end end
+]] }
+ local i, s = 1, find(view, "{", 1, true)
+ while s do
+ local t, p = byte(view, s + 1, s + 1), s + 2
+ if t == LCUB then
+ local e = find(view, "}}", p, true)
+ if e then
+ local z, w = escaped(view, s)
+ if i < s - w then
+ c[j] = "___[#___+1]=[=[\n"
+ c[j+1] = visit(visitors, sub(view, i, s - 1 - w))
+ c[j+2] = "]=]\n"
+ j=j+3
+ end
+ if z then
+ i = s
+ else
+ c[j] = "___[#___+1]=template.escape("
+ c[j+1] = visit(visitors, trim(sub(view, p, e - 1)), "{")
+ c[j+2] = ")\n"
+ j=j+3
+ s, i = e + 1, e + 2
+ end
+ end
+ elseif t == AST then
+ local e = find(view, "*}", p, true)
+ if e then
+ local z, w = escaped(view, s)
+ if i < s - w then
+ c[j] = "___[#___+1]=[=[\n"
+ c[j+1] = visit(visitors, sub(view, i, s - 1 - w))
+ c[j+2] = "]=]\n"
+ j=j+3
+ end
+ if z then
+ i = s
+ else
+ c[j] = "___[#___+1]=template.output("
+ c[j+1] = visit(visitors, trim(sub(view, p, e - 1)), "*")
+ c[j+2] = ")\n"
+ j=j+3
+ s, i = e + 1, e + 2
+ end
+ end
+ elseif t == PERCNT then
+ local e = find(view, "%}", p, true)
+ if e then
+ local z, w = escaped(view, s)
+ if z then
+ if i < s - w then
+ c[j] = "___[#___+1]=[=[\n"
+ c[j+1] = visit(visitors, sub(view, i, s - 1 - w))
+ c[j+2] = "]=]\n"
+ j=j+3
+ end
+ i = s
+ else
+ local n = e + 2
+ if byte(view, n, n) == LF then
+ n = n + 1
+ end
+ local r = rpos(view, s - 1)
+ if i <= r then
+ c[j] = "___[#___+1]=[=[\n"
+ c[j+1] = visit(visitors, sub(view, i, r))
+ c[j+2] = "]=]\n"
+ j=j+3
+ end
+ c[j] = visit(visitors, trim(sub(view, p, e - 1)), "%")
+ c[j+1] = "\n"
+ j=j+2
+ s, i = n - 1, n
+ end
+ end
+ elseif t == LPAR then
+ local e = find(view, ")}", p, true)
+ if e then
+ local z, w = escaped(view, s)
+ if i < s - w then
+ c[j] = "___[#___+1]=[=[\n"
+ c[j+1] = visit(visitors, sub(view, i, s - 1 - w))
+ c[j+2] = "]=]\n"
+ j=j+3
+ end
+ if z then
+ i = s
+ else
+ local f = visit(visitors, sub(view, p, e - 1), "(")
+ local x = find(f, ",", 2, true)
+ if x then
+ c[j] = "___[#___+1]=include([=["
+ c[j+1] = trim(sub(f, 1, x - 1))
+ c[j+2] = "]=],"
+ c[j+3] = trim(sub(f, x + 1))
+ c[j+4] = ")\n"
+ j=j+5
+ else
+ c[j] = "___[#___+1]=include([=["
+ c[j+1] = trim(f)
+ c[j+2] = "]=])\n"
+ j=j+3
+ end
+ s, i = e + 1, e + 2
+ end
+ end
+ elseif t == LSQB then
+ local e = find(view, "]}", p, true)
+ if e then
+ local z, w = escaped(view, s)
+ if i < s - w then
+ c[j] = "___[#___+1]=[=[\n"
+ c[j+1] = visit(visitors, sub(view, i, s - 1 - w))
+ c[j+2] = "]=]\n"
+ j=j+3
+ end
+ if z then
+ i = s
+ else
+ c[j] = "___[#___+1]=include("
+ c[j+1] = visit(visitors, trim(sub(view, p, e - 1)), "[")
+ c[j+2] = ")\n"
+ j=j+3
+ s, i = e + 1, e + 2
+ end
+ end
+ elseif t == MINUS then
+ local e = find(view, "-}", p, true)
+ if e then
+ local x, y = find(view, sub(view, s, e + 1), e + 2, true)
+ if x then
+ local z, w = escaped(view, s)
+ if z then
+ if i < s - w then
+ c[j] = "___[#___+1]=[=[\n"
+ c[j+1] = visit(visitors, sub(view, i, s - 1 - w))
+ c[j+2] = "]=]\n"
+ j=j+3
+ end
+ i = s
+ else
+ y = y + 1
+ x = x - 1
+ if byte(view, y, y) == LF then
+ y = y + 1
+ end
+ local b = trim(sub(view, p, e - 1))
+ if b == "verbatim" or b == "raw" then
+ if i < s - w then
+ c[j] = "___[#___+1]=[=[\n"
+ c[j+1] = visit(visitors, sub(view, i, s - 1 - w))
+ c[j+2] = "]=]\n"
+ j=j+3
+ end
+ c[j] = "___[#___+1]=[=["
+ c[j+1] = visit(visitors, sub(view, e + 2, x))
+ c[j+2] = "]=]\n"
+ j=j+3
+ else
+ if byte(view, x, x) == LF then
+ x = x - 1
+ end
+ local r = rpos(view, s - 1)
+ if i <= r then
+ c[j] = "___[#___+1]=[=[\n"
+ c[j+1] = visit(visitors, sub(view, i, r))
+ c[j+2] = "]=]\n"
+ j=j+3
+ end
+ c[j] = 'blocks["'
+ c[j+1] = b
+ c[j+2] = '"]=include[=['
+ c[j+3] = visit(visitors, sub(view, e + 2, x), "-", b)
+ c[j+4] = "]=]\n"
+ j=j+5
+ end
+ s, i = y - 1, y
+ end
+ end
+ end
+ elseif t == NUM then
+ local e = find(view, "#}", p, true)
+ if e then
+ local z, w = escaped(view, s)
+ if i < s - w then
+ c[j] = "___[#___+1]=[=[\n"
+ c[j+1] = visit(visitors, sub(view, i, s - 1 - w))
+ c[j+2] = "]=]\n"
+ j=j+3
+ end
+ if z then
+ i = s
+ else
+ e = e + 2
+ if byte(view, e, e) == LF then
+ e = e + 1
+ end
+ s, i = e - 1, e
+ end
+ end
+ end
+ s = find(view, "{", s + 1, true)
+ end
+ s = sub(view, i)
+ if s and s ~= EMPTY then
+ c[j] = "___[#___+1]=[=[\n"
+ c[j+1] = visit(visitors, s)
+ c[j+2] = "]=]\n"
+ j=j+3
+ end
+ c[j] = "return layout and include(layout,setmetatable({view=table.concat(___),blocks=blocks},{__index=context})) or table.concat(___)" -- luacheck: ignore
+ return concat(c)
+ end
+
+ function template.parse_file(view)
+ return template.parse(view, false)
+ end
+
+ function template.parse_string(view)
+ return template.parse(view, true)
+ end
+
+ function template.process(view, context, cache_key, plain)
+ assert(view, "view was not provided for template.process(view, context, cache_key, plain)")
+ return template.compile(view, cache_key, plain)(context)
+ end
+
+ function template.process_file(view, context, cache_key)
+ assert(view, "view was not provided for template.process_file(view, context, cache_key)")
+ return template.compile(view, cache_key, false)(context)
+ end
+
+ function template.process_string(view, context, cache_key)
+ assert(view, "view was not provided for template.process_string(view, context, cache_key)")
+ return template.compile(view, cache_key, true)(context)
+ end
+
+ function template.render(view, context, cache_key, plain)
+ assert(view, "view was not provided for template.render(view, context, cache_key, plain)")
+ template.print(template.process(view, context, cache_key, plain))
+ end
+
+ function template.render_file(view, context, cache_key)
+ assert(view, "view was not provided for template.render_file(view, context, cache_key)")
+ template.render(view, context, cache_key, false)
+ end
+
+ function template.render_string(view, context, cache_key)
+ assert(view, "view was not provided for template.render_string(view, context, cache_key)")
+ template.render(view, context, cache_key, true)
+ end
+
+ if safe then
+ return setmetatable({}, {
+ __index = function(_, k)
+ if type(template[k]) == "function" then
+ return function(...)
+ local ok, a, b = pcall(template[k], ...)
+ if not ok then
+ return nil, a
+ end
+ return a, b
+ end
+ end
+ return template[k]
+ end,
+ __new_index = function(_, k, v)
+ template[k] = v
+ end,
+ })
+ end
+
+ return template
+end
+
+return new()

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