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authorIngo Molnar <mingo@elte.hu>2008-08-22 06:06:51 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-22 06:06:51 +0200
commit8b53b57576292b92b27769f9e213df19b6e57786 (patch)
treecd851ce4fa71b2653f120d7f11a9c6cbcf311b19 /net/core/pktgen.c
parentab7e79243746e2a9c5f00243e60108189c44c9eb (diff)
parent38cc1c3df77c1bb739a4766788eb9fa49f16ffdf (diff)
Merge branch 'x86/urgent' into x86/pat
Conflicts: arch/x86/mm/pageattr.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'net/core/pktgen.c')
-rw-r--r--net/core/pktgen.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 52623645390..a756847e381 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -1961,6 +1961,8 @@ static int pktgen_setup_dev(struct pktgen_dev *pkt_dev, const char *ifname)
*/
static void pktgen_setup_inject(struct pktgen_dev *pkt_dev)
{
+ int ntxq;
+
if (!pkt_dev->odev) {
printk(KERN_ERR "pktgen: ERROR: pkt_dev->odev == NULL in "
"setup_inject.\n");
@@ -1969,6 +1971,33 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev)
return;
}
+ /* make sure that we don't pick a non-existing transmit queue */
+ ntxq = pkt_dev->odev->real_num_tx_queues;
+ if (ntxq <= num_online_cpus() && (pkt_dev->flags & F_QUEUE_MAP_CPU)) {
+ printk(KERN_WARNING "pktgen: WARNING: QUEUE_MAP_CPU "
+ "disabled because CPU count (%d) exceeds number ",
+ num_online_cpus());
+ printk(KERN_WARNING "pktgen: WARNING: of tx queues "
+ "(%d) on %s \n", ntxq, pkt_dev->odev->name);
+ pkt_dev->flags &= ~F_QUEUE_MAP_CPU;
+ }
+ if (ntxq <= pkt_dev->queue_map_min) {
+ printk(KERN_WARNING "pktgen: WARNING: Requested "
+ "queue_map_min (%d) exceeds number of tx\n",
+ pkt_dev->queue_map_min);
+ printk(KERN_WARNING "pktgen: WARNING: queues (%d) on "
+ "%s, resetting\n", ntxq, pkt_dev->odev->name);
+ pkt_dev->queue_map_min = ntxq - 1;
+ }
+ if (ntxq <= pkt_dev->queue_map_max) {
+ printk(KERN_WARNING "pktgen: WARNING: Requested "
+ "queue_map_max (%d) exceeds number of tx\n",
+ pkt_dev->queue_map_max);
+ printk(KERN_WARNING "pktgen: WARNING: queues (%d) on "
+ "%s, resetting\n", ntxq, pkt_dev->odev->name);
+ pkt_dev->queue_map_max = ntxq - 1;
+ }
+
/* Default to the interface's mac if not explicitly set. */
if (is_zero_ether_addr(pkt_dev->src_mac))