]> git.proxmox.com Git - mirror_iproute2.git/blobdiff - ip/iplink_macvlan.c
rdma: Properly mark RDMAtool license
[mirror_iproute2.git] / ip / iplink_macvlan.c
index 83ff961b1892e7c335c291a178ea0701a9fe6d49..b966a6151bc7b87442d7fdf08d20edb102a78d86 100644 (file)
@@ -15,6 +15,7 @@
 #include <string.h>
 #include <sys/socket.h>
 #include <linux/if_link.h>
+#include <linux/if_ether.h>
 
 #include "rt_names.h"
 #include "utils.h"
 static void print_explain(struct link_util *lu, FILE *f)
 {
        fprintf(f,
-               "Usage: ... %s mode { private | vepa | bridge | passthru [nopromisc] }\n",
+               "Usage: ... %s mode MODE [flag MODE_FLAG] MODE_OPTS\n"
+               "\n"
+               "MODE: private | vepa | bridge | passthru | source\n"
+               "MODE_FLAG: null | nopromisc\n"
+               "MODE_OPTS: for mode \"source\":\n"
+               "\tmacaddr { { add | del } <macaddr> | set [ <macaddr> [ <macaddr>  ... ] ] | flush }\n",
                lu->id
        );
 }
@@ -43,7 +49,15 @@ static void explain(struct link_util *lu)
 static int mode_arg(const char *arg)
 {
        fprintf(stderr,
-               "Error: argument of \"mode\" must be \"private\", \"vepa\", \"bridge\" or \"passthru\", not \"%s\"\n",
+               "Error: argument of \"mode\" must be \"private\", \"vepa\", \"bridge\", \"passthru\" or \"source\", not \"%s\"\n",
+               arg);
+       return -1;
+}
+
+static int flag_arg(const char *arg)
+{
+       fprintf(stderr,
+               "Error: argument of \"flag\" must be \"nopromisc\" or \"null\", not \"%s\"\n",
                arg);
        return -1;
 }
@@ -53,6 +67,10 @@ static int macvlan_parse_opt(struct link_util *lu, int argc, char **argv,
 {
        __u32 mode = 0;
        __u16 flags = 0;
+       __u32 mac_mode = 0;
+       int has_flags = 0;
+       char mac[ETH_ALEN];
+       struct rtattr *nmac;
 
        while (argc > 0) {
                if (matches(*argv, "mode") == 0) {
@@ -66,10 +84,72 @@ static int macvlan_parse_opt(struct link_util *lu, int argc, char **argv,
                                mode = MACVLAN_MODE_BRIDGE;
                        else if (strcmp(*argv, "passthru") == 0)
                                mode = MACVLAN_MODE_PASSTHRU;
+                       else if (strcmp(*argv, "source") == 0)
+                               mode = MACVLAN_MODE_SOURCE;
                        else
                                return mode_arg(*argv);
+               } else if (matches(*argv, "flag") == 0) {
+                       NEXT_ARG();
+
+                       if (strcmp(*argv, "nopromisc") == 0)
+                               flags |= MACVLAN_FLAG_NOPROMISC;
+                       else if (strcmp(*argv, "null") == 0)
+                               flags |= 0;
+                       else
+                               return flag_arg(*argv);
+
+                       has_flags = 1;
+
+               } else if (matches(*argv, "macaddr") == 0) {
+                       NEXT_ARG();
+
+                       if (strcmp(*argv, "add") == 0) {
+                               mac_mode = MACVLAN_MACADDR_ADD;
+                       } else if (strcmp(*argv, "del") == 0) {
+                               mac_mode = MACVLAN_MACADDR_DEL;
+                       } else if (strcmp(*argv, "set") == 0) {
+                               mac_mode = MACVLAN_MACADDR_SET;
+                       } else if (strcmp(*argv, "flush") == 0) {
+                               mac_mode = MACVLAN_MACADDR_FLUSH;
+                       } else {
+                               explain(lu);
+                               return -1;
+                       }
+
+                       addattr32(n, 1024, IFLA_MACVLAN_MACADDR_MODE, mac_mode);
+
+                       if (mac_mode == MACVLAN_MACADDR_ADD ||
+                           mac_mode == MACVLAN_MACADDR_DEL) {
+                               NEXT_ARG();
+
+                               if (ll_addr_a2n(mac, sizeof(mac),
+                                               *argv) != ETH_ALEN)
+                                       return -1;
+
+                               addattr_l(n, 1024, IFLA_MACVLAN_MACADDR, &mac,
+                                         ETH_ALEN);
+                       }
+
+                       if (mac_mode == MACVLAN_MACADDR_SET) {
+                               nmac = addattr_nest(n, 1024,
+                                                   IFLA_MACVLAN_MACADDR_DATA);
+                               while (NEXT_ARG_OK()) {
+                                       NEXT_ARG_FWD();
+
+                                       if (ll_addr_a2n(mac, sizeof(mac),
+                                                       *argv) != ETH_ALEN) {
+                                               PREV_ARG();
+                                               break;
+                                       }
+
+                                       addattr_l(n, 1024, IFLA_MACVLAN_MACADDR,
+                                                 &mac, ETH_ALEN);
+                               }
+                               addattr_nest_end(n, nmac);
+                       }
                } else if (matches(*argv, "nopromisc") == 0) {
                        flags |= MACVLAN_FLAG_NOPROMISC;
+                       has_flags = 1;
                } else if (matches(*argv, "help") == 0) {
                        explain(lu);
                        return -1;
@@ -84,7 +164,7 @@ static int macvlan_parse_opt(struct link_util *lu, int argc, char **argv,
        if (mode)
                addattr32(n, 1024, IFLA_MACVLAN_MODE, mode);
 
-       if (flags) {
+       if (has_flags) {
                if (flags & MACVLAN_FLAG_NOPROMISC &&
                    mode != MACVLAN_MODE_PASSTHRU) {
                        pfx_err(lu, "nopromisc flag only valid in passthru mode");
@@ -100,6 +180,10 @@ static void macvlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[]
 {
        __u32 mode;
        __u16 flags;
+       __u32 count;
+       unsigned char *addr;
+       int len;
+       struct rtattr *rta;
 
        if (!tb)
                return;
@@ -109,24 +193,66 @@ static void macvlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[]
                return;
 
        mode = rta_getattr_u32(tb[IFLA_MACVLAN_MODE]);
-       fprintf(f, " mode %s ",
-                 mode == MACVLAN_MODE_PRIVATE ? "private"
-               : mode == MACVLAN_MODE_VEPA    ? "vepa"
-               : mode == MACVLAN_MODE_BRIDGE  ? "bridge"
-               : mode == MACVLAN_MODE_PASSTHRU  ? "passthru"
-               :                                "unknown");
+       print_string(PRINT_ANY,
+                    "mode",
+                    "mode %s ",
+                    mode == MACVLAN_MODE_PRIVATE ? "private"
+                    : mode == MACVLAN_MODE_VEPA    ? "vepa"
+                    : mode == MACVLAN_MODE_BRIDGE  ? "bridge"
+                    : mode == MACVLAN_MODE_PASSTHRU  ? "passthru"
+                    : mode == MACVLAN_MODE_SOURCE  ? "source"
+                    :                           "unknown");
 
        if (!tb[IFLA_MACVLAN_FLAGS] ||
            RTA_PAYLOAD(tb[IFLA_MACVLAN_FLAGS]) < sizeof(__u16))
-               return;
+               flags = 0;
+       else
+               flags = rta_getattr_u16(tb[IFLA_MACVLAN_FLAGS]);
 
-       flags = rta_getattr_u16(tb[IFLA_MACVLAN_FLAGS]);
        if (flags & MACVLAN_FLAG_NOPROMISC)
-               fprintf(f, "nopromisc ");
+               print_bool(PRINT_ANY, "nopromisc", "nopromisc ", true);
+
+       /* in source mode, there are more options to print */
+
+       if (mode != MACVLAN_MODE_SOURCE)
+               return;
+
+       if (!tb[IFLA_MACVLAN_MACADDR_COUNT] ||
+           RTA_PAYLOAD(tb[IFLA_MACVLAN_MACADDR_COUNT]) < sizeof(__u32))
+               return;
+
+       count = rta_getattr_u32(tb[IFLA_MACVLAN_MACADDR_COUNT]);
+       print_int(PRINT_ANY, "macaddr_count", "remotes (%d) ", count);
+
+       if (!tb[IFLA_MACVLAN_MACADDR_DATA])
+               return;
+
+       rta = RTA_DATA(tb[IFLA_MACVLAN_MACADDR_DATA]);
+       len = RTA_PAYLOAD(tb[IFLA_MACVLAN_MACADDR_DATA]);
+
+       open_json_array(PRINT_JSON, "macaddr_data");
+       for (; RTA_OK(rta, len); rta = RTA_NEXT(rta, len)) {
+               if (rta->rta_type != IFLA_MACVLAN_MACADDR ||
+                   RTA_PAYLOAD(rta) < 6)
+                       continue;
+               addr = RTA_DATA(rta);
+               if (is_json_context()) {
+                       SPRINT_BUF(b1);
+
+                       snprintf(b1, sizeof(b1),
+                                "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x", addr[0],
+                                addr[1], addr[2], addr[3], addr[4], addr[5]);
+                       print_string(PRINT_JSON, NULL, NULL, b1);
+               } else {
+                       fprintf(f, "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x ", addr[0],
+                               addr[1], addr[2], addr[3], addr[4], addr[5]);
+               }
+       }
+       close_json_array(PRINT_JSON, NULL);
 }
 
 static void macvlan_print_help(struct link_util *lu, int argc, char **argv,
-       FILE *f)
+                              FILE *f)
 {
        print_explain(lu, f);
 }