iplink: add support for num[tr]xqueues

diff --git a/ip/iplink.c b/ip/iplink.c
index 679091e6831b71538cce495f6f13d6626bf49e0e..411187112af76fa8bee086df36f3f0e0661f95a1 100644 (file)
--- a/ip/iplink.c
+++ b/ip/iplink.c
@@ -48,6 +48,8 @@ void iplink_usage(void)
                fprintf(stderr, "                   [ address LLADDR ]\n");
                fprintf(stderr, "                   [ broadcast LLADDR ]\n");
                fprintf(stderr, "                   [ mtu MTU ]\n");
+               fprintf(stderr, "                   [ numtxqueues QUEUE_COUNT ]\n");
+               fprintf(stderr, "                   [ numrxqueues QUEUE_COUNT ]\n");
                fprintf(stderr, "                   type TYPE [ ARGS ]\n");
                fprintf(stderr, "       ip link delete DEV type TYPE [ ARGS ]\n");
                fprintf(stderr, "\n");
@@ -279,6 +281,8 @@ int iplink_parse(int argc, char **argv, struct iplink_req *req,
        int mtu = -1;
        int netns = -1;
        int vf = -1;
+       int numtxqueues = -1;
+       int numrxqueues = -1;
 
        *group = -1;
        ret = argc;
@@ -445,6 +449,22 @@ int iplink_parse(int argc, char **argv, struct iplink_req *req,
                                invarg("Invalid operstate\n", *argv);
 
                        addattr8(&req->n, sizeof(*req), IFLA_OPERSTATE, state);
+               } else if (matches(*argv, "numtxqueues") == 0) {
+                       NEXT_ARG();
+                       if (numtxqueues != -1)
+                               duparg("numtxqueues", *argv);
+                       if (get_integer(&numtxqueues, *argv, 0))
+                               invarg("Invalid \"numtxqueues\" value\n", *argv);
+                       addattr_l(&req->n, sizeof(*req), IFLA_NUM_TX_QUEUES,
+                                 &numtxqueues, 4);
+               } else if (matches(*argv, "numrxqueues") == 0) {
+                       NEXT_ARG();
+                       if (numrxqueues != -1)
+                               duparg("numrxqueues", *argv);
+                       if (get_integer(&numrxqueues, *argv, 0))
+                               invarg("Invalid \"numrxqueues\" value\n", *argv);
+                       addattr_l(&req->n, sizeof(*req), IFLA_NUM_RX_QUEUES,
+                                 &numrxqueues, 4);
                } else {
                        if (strcmp(*argv, "dev") == 0) {
                                NEXT_ARG();

diff --git a/man/man8/ip-link.8.in b/man/man8/ip-link.8.in
index 9386cc6489d9bcd1a5ce2eeef6d81ccf1d6d3f6c..8a24e510959f2a4f2bc670074e0bfad3932890a8 100644 (file)
--- a/man/man8/ip-link.8.in
+++ b/man/man8/ip-link.8.in
@@ -40,6 +40,11 @@ ip-link \- network device configuration
 .RB "[ " mtu
 .IR MTU " ]"
 .br
+.RB "[ " numtxqueues
+.IR QUEUE_COUNT " ]"
+.RB "[ " numrxqueues
+.IR QUEUE_COUNT " ]"
+.br
 .BR type " TYPE"
 .RI "[ " ARGS " ]"
 
@@ -156,6 +161,14 @@ Link types:
 - Ethernet Bridge device
 .in -8
 
+.TP
+.BI numtxqueues " QUEUE_COUNT "
+specifies the number of transmit queues for new device.
+
+.TP
+.BI numrxqueues " QUEUE_COUNT "
+specifies the number of receive queues for new device.
+
 .SS ip link delete - delete virtual link
 .I DEVICE
 specifies the virtual  device to act operate on.