1 files changed, 95 insertions, 0 deletions
diff --git a/src/print_eth_info.c b/src/print_eth_info.c
new file mode 100644
index 0000000..7624383
--- /dev/null
+++ b/src/print_eth_info.c
@@ -0,0 +1,95 @@
+// vim:ts=8:expandtab
+#include <string.h>
+#include <limits.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include "i3status.h"
+
+#if defined(LINUX)
+#include <linux/ethtool.h>
+#include <linux/sockios.h>
+#define PART_ETHSPEED  "E: %s (%d Mbit/s)"
+#endif
+
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+#include <net/if_media.h>
+#define IFM_TYPE_MATCH(dt, t)                       \
+        (IFM_TYPE((dt)) == 0 || IFM_TYPE((dt)) == IFM_TYPE((t)))
+
+#define PART_ETHSPEED  "E: %s (%s)"
+
+#endif
+
+static void print_eth_speed(const char *interface) {
+#if defined(LINUX)
+        int ethspeed = 0;
+#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+        char *ethspeed;
+#endif
+
+#if defined(LINUX)
+        /* This code path requires root privileges */
+        struct ifreq ifr;
+        struct ethtool_cmd ecmd;
+
+        ecmd.cmd = ETHTOOL_GSET;
+        (void)memset(&ifr, 0, sizeof(ifr));
+        ifr.ifr_data = (caddr_t)&ecmd;
+        (void)strcpy(ifr.ifr_name, interface);
+        if (ioctl(general_socket, SIOCETHTOOL, &ifr) == 0) {
+                ethspeed = (ecmd.speed == USHRT_MAX ? 0 : ecmd.speed);
+                printf("%d Mbit/s", ethspeed);
+        } else printf("?");
+#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+        struct ifmediareq ifm;
+        (void)memset(&ifm, 0, sizeof(ifm));
+        (void)strncpy(ifm.ifm_name, interface, sizeof(ifm.ifm_name));
+        int ret = ioctl(general_socket, SIOCGIFMEDIA, (caddr_t)&ifm);
+
+        /* Get the description of the media type, partially taken from
+         * FreeBSD's ifconfig */
+        const struct ifmedia_description *desc;
+        struct ifmedia_description ifm_subtype_descriptions[] =
+                IFM_SUBTYPE_ETHERNET_DESCRIPTIONS;
+
+        for (desc = ifm_subtype_descriptions;
+             desc->ifmt_string != NULL;
+             desc++) {
+            if (IFM_TYPE_MATCH(desc->ifmt_word, ifm.ifm_active) &&
+                IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(ifm.ifm_active))
+                break;
+        }
+        ethspeed = (desc->ifmt_string != NULL ? desc->ifmt_string : "?");
+        printf("%s", ethspeed);
+#endif
+}
+
+/*
+ * Combines ethernet IP addresses and speed (if requested) for displaying
+ *
+ */
+void print_eth_info(const char *interface, const char *format) {
+        const char *walk;
+        const char *ip_address = get_ip_addr(interface);
+
+        for (walk = format; *walk != '\0'; walk++) {
+                if (*walk != '%') {
+                        putchar(*walk);
+                        continue;
+                }
+
+                if (strncmp(walk+1, "ip", strlen("ip")) == 0) {
+                        printf("%s", ip_address);
+                        walk += strlen("ip");
+                } else if (strncmp(walk+1, "speed", strlen("speed")) == 0) {
+                        print_eth_speed(interface);
+                        walk += strlen("speed");
+                }
+        }
+}