diff --git a/include/utils.h b/include/utils.h index 27562a1c..82f1aa7d 100644 --- a/include/utils.h +++ b/include/utils.h @@ -248,5 +248,6 @@ int do_each_netns(int (*func)(char *nsname, void *arg), void *arg, bool show_label); char *int_to_str(int val, char *buf); +int get_guid(__u64 *guid, const char *arg); #endif /* __UTILS_H__ */ diff --git a/ip/iplink.c b/ip/iplink.c index f2a2e13c..28a0a21c 100644 --- a/ip/iplink.c +++ b/ip/iplink.c @@ -420,6 +420,26 @@ static int iplink_parse_vf(int vf, int *argcp, char ***argvp, invarg("Invalid \"state\" value\n", *argv); ivl.vf = vf; addattr_l(&req->n, sizeof(*req), IFLA_VF_LINK_STATE, &ivl, sizeof(ivl)); + } else if (matches(*argv, "node_guid") == 0) { + struct ifla_vf_guid ivg; + + NEXT_ARG(); + ivg.vf = vf; + if (get_guid(&ivg.guid, *argv)) { + invarg("Invalid GUID format\n", *argv); + return -1; + } + addattr_l(&req->n, sizeof(*req), IFLA_VF_IB_NODE_GUID, &ivg, sizeof(ivg)); + } else if (matches(*argv, "port_guid") == 0) { + struct ifla_vf_guid ivg; + + NEXT_ARG(); + ivg.vf = vf; + if (get_guid(&ivg.guid, *argv)) { + invarg("Invalid GUID format\n", *argv); + return -1; + } + addattr_l(&req->n, sizeof(*req), IFLA_VF_IB_PORT_GUID, &ivg, sizeof(ivg)); } else { /* rewind arg */ PREV_ARG(); diff --git a/lib/utils.c b/lib/utils.c index 7dceeb58..96604746 100644 --- a/lib/utils.c +++ b/lib/utils.c @@ -1121,3 +1121,38 @@ char *int_to_str(int val, char *buf) sprintf(buf, "%d", val); return buf; } + +int get_guid(__u64 *guid, const char *arg) +{ + unsigned long int tmp; + char *endptr; + int i; + +#define GUID_STR_LEN 23 + /* Verify strict format: format string must be + * xx:xx:xx:xx:xx:xx:xx:xx where xx can be an arbitrary + * hex digit + */ + + if (strlen(arg) != GUID_STR_LEN) + return -1; + + /* make sure columns are in place */ + for (i = 0; i < 7; i++) + if (arg[2 + i * 3] != ':') + return -1; + + *guid = 0; + for (i = 0; i < 8; i++) { + tmp = strtoul(arg + i * 3, &endptr, 16); + if (endptr != arg + i * 3 + 2) + return -1; + + if (tmp > 255) + return -1; + + *guid |= tmp << (56 - 8 * i); + } + + return 0; +} diff --git a/man/man8/ip-link.8.in b/man/man8/ip-link.8.in index ad18f755..95fef02c 100644 --- a/man/man8/ip-link.8.in +++ b/man/man8/ip-link.8.in @@ -146,7 +146,11 @@ ip-link \- network device configuration .br .RB "[ " state " { " auto " | " enable " | " disable " } ]" .br -.RB "[ " trust " { " on " | " off " } ] ]" +.RB "[ " trust " { " on " | " off " } ]" +.br +.RB "[ " node_guid " eui64 ]" +.br +.RB "[ " port_guid " eui64 ] ]" .br .in -9 .RB "[ " master @@ -1196,6 +1200,12 @@ sent by the VF. .BI trust " on|off" - trust the specified VF user. This enables that VF user can set a specific feature which may impact security and/or performance. (e.g. VF multicast promiscuous mode) +.sp +.BI node_guid " eui64" +- configure node GUID for the VF. +.sp +.BI port_guid " eui64" +- configure port GUID for the VF. .in -8 .TP