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iproute2: Add new command to ip link to enable/disable VF spoof check

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Add ip link command parsing for VF spoof checking enable/disable

V2 - Fixed problem with parsing of dump info on kernels that don't
     support the spoof checking option and also wrapped the ifla_vf_info
     structure in #ifdef __KERNEL__ to prevent user space from directly
     accessing the structure
V3 - Improved parsing of vfinfo
V4 - Put Makefile back to proper list of subdirs
V5 - Remove struct ifla_vf_info, it is only used by the kernel
V6 - Make sure spoof check is reported by the driver - rtnl will set
     it to -1 to indicate driver didn't report a value.

Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Greg Rose 2011-10-13 20:31:32 +00:00 committed by Stephen Hemminger
parent 719b958bbd
commit 7b8179c780
3 changed files with 37 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
ip/ipaddress.c
View File

@ -197,7 +197,9 @@ static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
struct ifla_vf_mac *vf_mac;
struct ifla_vf_vlan *vf_vlan;
struct ifla_vf_tx_rate *vf_tx_rate;
struct ifla_vf_spoofchk *vf_spoofchk;
struct rtattr *vf[IFLA_VF_MAX+1];
struct rtattr *tmp;
SPRINT_BUF(b1);
if (vfinfo->rta_type != IFLA_VF_INFO) {
@ -211,6 +213,17 @@ static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
vf_vlan = RTA_DATA(vf[IFLA_VF_VLAN]);
vf_tx_rate = RTA_DATA(vf[IFLA_VF_TX_RATE]);
/* Check if the spoof checking vf info type is supported by
* this kernel.
*/
tmp = (struct rtattr *)((char *)vf[IFLA_VF_TX_RATE] +
vf[IFLA_VF_TX_RATE]->rta_len);
if (tmp->rta_type != IFLA_VF_SPOOFCHK)
vf_spoofchk = NULL;
else
vf_spoofchk = RTA_DATA(vf[IFLA_VF_SPOOFCHK]);
fprintf(fp, "\n vf %d MAC %s", vf_mac->vf,
ll_addr_n2a((unsigned char *)&vf_mac->mac,
ETH_ALEN, 0, b1, sizeof(b1)));
@ -220,6 +233,12 @@ static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
fprintf(fp, ", qos %d", vf_vlan->qos);
if (vf_tx_rate->rate)
fprintf(fp, ", tx rate %d (Mbps)", vf_tx_rate->rate);
if (vf_spoofchk && vf_spoofchk->setting != -1) {
if (vf_spoofchk->setting)
fprintf(fp, ", spoof checking on");
else
fprintf(fp, ", spoof checking off");
}
}
int print_linkinfo(const struct sockaddr_nl *who,

15
ip/iplink.c
View File

@ -71,7 +71,10 @@ void iplink_usage(void)
fprintf(stderr, " [ alias NAME ]\n");
fprintf(stderr, " [ vf NUM [ mac LLADDR ]\n");
fprintf(stderr, " [ vlan VLANID [ qos VLAN-QOS ] ]\n");
fprintf(stderr, " [ rate TXRATE ] ] \n");
fprintf(stderr, " [ spoofchk { on | off} ] ] \n");
fprintf(stderr, " [ master DEVICE ]\n");
fprintf(stderr, " [ nomaster ]\n");
fprintf(stderr, " ip link show [ DEVICE | group GROUP ]\n");
@ -228,6 +231,18 @@ int iplink_parse_vf(int vf, int *argcp, char ***argvp,
ivt.vf = vf;
addattr_l(&req->n, sizeof(*req), IFLA_VF_TX_RATE, &ivt, sizeof(ivt));
} else if (matches(*argv, "spoofchk") == 0) {
struct ifla_vf_spoofchk ivs;
NEXT_ARG();
if (matches(*argv, "on") == 0)
ivs.setting = 1;
else if (matches(*argv, "off") == 0)
ivs.setting = 0;
else
invarg("Invalid \"spoofchk\" value\n", *argv);
ivs.vf = vf;
addattr_l(&req->n, sizeof(*req), IFLA_VF_SPOOFCHK, &ivs, sizeof(ivs));
} else {
/* rewind arg */
PREV_ARG();

4
man/man8/ip.8
View File

@ -100,7 +100,9 @@ ip \- show / manipulate routing, devices, policy routing and tunnels
.B qos
.IR VLAN-QOS " ] ] ["
.B rate
.IR TXRATE " ] |"
.IR TXRATE " ] ["
.B spoofchk { on | off }
] |
.br
.B master
.IR DEVICE