diff --git a/ip/ipaddress.c b/ip/ipaddress.c index 2b3707a..013b4cb 100644 --- a/ip/ipaddress.c +++ b/ip/ipaddress.c @@ -229,6 +229,7 @@ static void print_vfinfo(FILE *fp, struct rtattr *vfinfo) struct ifla_vf_vlan *vf_vlan; struct ifla_vf_tx_rate *vf_tx_rate; struct ifla_vf_spoofchk *vf_spoofchk; + struct ifla_vf_link_state *vf_linkstate; struct rtattr *vf[IFLA_VF_MAX+1]; struct rtattr *tmp; SPRINT_BUF(b1); @@ -255,6 +256,20 @@ static void print_vfinfo(FILE *fp, struct rtattr *vfinfo) else vf_spoofchk = RTA_DATA(vf[IFLA_VF_SPOOFCHK]); + if (vf_spoofchk) { + /* Check if the link state vf info type is supported by + * this kernel. + */ + tmp = (struct rtattr *)((char *)vf[IFLA_VF_SPOOFCHK] + + vf[IFLA_VF_SPOOFCHK]->rta_len); + + if (tmp->rta_type != IFLA_VF_LINK_STATE) + vf_linkstate = NULL; + else + vf_linkstate = RTA_DATA(vf[IFLA_VF_LINK_STATE]); + } else + vf_linkstate = NULL; + fprintf(fp, "\n vf %d MAC %s", vf_mac->vf, ll_addr_n2a((unsigned char *)&vf_mac->mac, ETH_ALEN, 0, b1, sizeof(b1))); @@ -270,6 +285,14 @@ static void print_vfinfo(FILE *fp, struct rtattr *vfinfo) else fprintf(fp, ", spoof checking off"); } + if (vf_linkstate) { + if (vf_linkstate->link_state == IFLA_VF_LINK_STATE_AUTO) + fprintf(fp, ", link-state auto"); + else if (vf_linkstate->link_state == IFLA_VF_LINK_STATE_ENABLE) + fprintf(fp, ", link-state enable"); + else + fprintf(fp, ", link-state disable"); + } } static void print_link_stats64(FILE *fp, const struct rtnl_link_stats64 *s) { diff --git a/ip/iplink.c b/ip/iplink.c index 15dd84f..f8bcd8c 100644 --- a/ip/iplink.c +++ b/ip/iplink.c @@ -77,6 +77,7 @@ void iplink_usage(void) fprintf(stderr, " [ rate TXRATE ] ] \n"); fprintf(stderr, " [ spoofchk { on | off} ] ] \n"); + fprintf(stderr, " [ state { auto | enable | disable} ] ]\n"); fprintf(stderr, " [ master DEVICE ]\n"); fprintf(stderr, " [ nomaster ]\n"); fprintf(stderr, " ip link show [ DEVICE | group GROUP ] [up]\n"); @@ -260,6 +261,19 @@ static int iplink_parse_vf(int vf, int *argcp, char ***argvp, ivs.vf = vf; addattr_l(&req->n, sizeof(*req), IFLA_VF_SPOOFCHK, &ivs, sizeof(ivs)); + } else if (matches(*argv, "state") == 0) { + struct ifla_vf_link_state ivl; + NEXT_ARG(); + if (matches(*argv, "auto") == 0) + ivl.link_state = IFLA_VF_LINK_STATE_AUTO; + else if (matches(*argv, "enable") == 0) + ivl.link_state = IFLA_VF_LINK_STATE_ENABLE; + else if (matches(*argv, "disable") == 0) + ivl.link_state = IFLA_VF_LINK_STATE_DISABLE; + else + invarg("Invalid \"state\" value\n", *argv); + ivl.vf = vf; + addattr_l(&req->n, sizeof(*req), IFLA_VF_LINK_STATE, &ivl, sizeof(ivl)); } else { /* rewind arg */ PREV_ARG(); diff --git a/include/linux/if_link.h b/include/linux/if_link.h index 9a31d6b..20092a7 100644 --- a/include/linux/if_link.h +++ b/include/linux/if_link.h @@ -362,6 +362,18 @@ struct ifla_vf_spoofchk { __u32 setting; }; +enum { + IFLA_VF_LINK_STATE_AUTO, /* link state of the uplink */ + IFLA_VF_LINK_STATE_ENABLE, /* link always up */ + IFLA_VF_LINK_STATE_DISABLE, /* link always down */ + __IFLA_VF_LINK_STATE_MAX, +}; + +struct ifla_vf_link_state { + __u32 vf; + __u32 link_state; +}; + /* VF ports management section * * Nested layout of set/get msg is: diff --git a/include/linux/if_link.h b/include/linux/if_link.h index 20092a7..4877906 100644 --- a/include/linux/if_link.h +++ b/include/linux/if_link.h @@ -336,6 +336,7 @@ enum { IFLA_VF_VLAN, IFLA_VF_TX_RATE, /* TX Bandwidth Allocation */ IFLA_VF_SPOOFCHK, /* Spoof Checking on/off switch */ + IFLA_VF_LINK_STATE, /* link state enable/disable/auto switch */ __IFLA_VF_MAX, };