aboutsummaryrefslogtreecommitdiffstats
path: root/net/core/pktgen.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/core/pktgen.c')
-rw-r--r--net/core/pktgen.c46
1 files changed, 28 insertions, 18 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index d38470a..a23b45f 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -364,6 +364,7 @@ struct pktgen_dev {
* device name (not when the inject is
* started as it used to do.)
*/
+ char odevname[32];
struct flow_state *flows;
unsigned cflows; /* Concurrent flows (config) */
unsigned lflow; /* Flow length (config) */
@@ -427,7 +428,7 @@ static const char version[] =
static int pktgen_remove_device(struct pktgen_thread *t, struct pktgen_dev *i);
static int pktgen_add_device(struct pktgen_thread *t, const char *ifname);
static struct pktgen_dev *pktgen_find_dev(struct pktgen_thread *t,
- const char *ifname);
+ const char *ifname, bool exact);
static int pktgen_device_event(struct notifier_block *, unsigned long, void *);
static void pktgen_run_all_threads(void);
static void pktgen_reset_all_threads(void);
@@ -529,7 +530,7 @@ static int pktgen_if_show(struct seq_file *seq, void *v)
seq_printf(seq,
" frags: %d delay: %llu clone_skb: %d ifname: %s\n",
pkt_dev->nfrags, (unsigned long long) pkt_dev->delay,
- pkt_dev->clone_skb, pkt_dev->odev->name);
+ pkt_dev->clone_skb, pkt_dev->odevname);
seq_printf(seq, " flows: %u flowlen: %u\n", pkt_dev->cflows,
pkt_dev->lflow);
@@ -1689,13 +1690,13 @@ static int pktgen_thread_show(struct seq_file *seq, void *v)
if_lock(t);
list_for_each_entry(pkt_dev, &t->if_list, list)
if (pkt_dev->running)
- seq_printf(seq, "%s ", pkt_dev->odev->name);
+ seq_printf(seq, "%s ", pkt_dev->odevname);
seq_printf(seq, "\nStopped: ");
list_for_each_entry(pkt_dev, &t->if_list, list)
if (!pkt_dev->running)
- seq_printf(seq, "%s ", pkt_dev->odev->name);
+ seq_printf(seq, "%s ", pkt_dev->odevname);
if (t->result[0])
seq_printf(seq, "\nResult: %s\n", t->result);
@@ -1818,9 +1819,10 @@ static struct pktgen_dev *__pktgen_NN_threads(const char *ifname, int remove)
{
struct pktgen_thread *t;
struct pktgen_dev *pkt_dev = NULL;
+ bool exact = (remove == FIND);
list_for_each_entry(t, &pktgen_threads, th_list) {
- pkt_dev = pktgen_find_dev(t, ifname);
+ pkt_dev = pktgen_find_dev(t, ifname, exact);
if (pkt_dev) {
if (remove) {
if_lock(t);
@@ -1995,7 +1997,7 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev)
"queue_map_min (zero-based) (%d) exceeds valid range "
"[0 - %d] for (%d) queues on %s, resetting\n",
pkt_dev->queue_map_min, (ntxq ?: 1) - 1, ntxq,
- pkt_dev->odev->name);
+ pkt_dev->odevname);
pkt_dev->queue_map_min = ntxq - 1;
}
if (pkt_dev->queue_map_max >= ntxq) {
@@ -2003,7 +2005,7 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev)
"queue_map_max (zero-based) (%d) exceeds valid range "
"[0 - %d] for (%d) queues on %s, resetting\n",
pkt_dev->queue_map_max, (ntxq ?: 1) - 1, ntxq,
- pkt_dev->odev->name);
+ pkt_dev->odevname);
pkt_dev->queue_map_max = ntxq - 1;
}
@@ -2050,9 +2052,8 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev)
read_lock_bh(&idev->lock);
for (ifp = idev->addr_list; ifp;
ifp = ifp->if_next) {
- if (ifp->scope == IFA_LINK
- && !(ifp->
- flags & IFA_F_TENTATIVE)) {
+ if (ifp->scope == IFA_LINK &&
+ !(ifp->flags & IFA_F_TENTATIVE)) {
ipv6_addr_copy(&pkt_dev->
cur_in6_saddr,
&ifp->addr);
@@ -3263,7 +3264,7 @@ static int pktgen_stop_device(struct pktgen_dev *pkt_dev)
if (!pkt_dev->running) {
printk(KERN_WARNING "pktgen: interface: %s is already "
- "stopped\n", pkt_dev->odev->name);
+ "stopped\n", pkt_dev->odevname);
return -EINVAL;
}
@@ -3467,7 +3468,7 @@ static void pktgen_xmit(struct pktgen_dev *pkt_dev)
default: /* Drivers are not supposed to return other values! */
if (net_ratelimit())
pr_info("pktgen: %s xmit error: %d\n",
- odev->name, ret);
+ pkt_dev->odevname, ret);
pkt_dev->errors++;
/* fallthru */
case NETDEV_TX_LOCKED:
@@ -3570,13 +3571,18 @@ static int pktgen_thread_worker(void *arg)
}
static struct pktgen_dev *pktgen_find_dev(struct pktgen_thread *t,
- const char *ifname)
+ const char *ifname, bool exact)
{
struct pktgen_dev *p, *pkt_dev = NULL;
- if_lock(t);
+ size_t len = strlen(ifname);
+ if_lock(t);
list_for_each_entry(p, &t->if_list, list)
- if (strncmp(p->odev->name, ifname, IFNAMSIZ) == 0) {
+ if (strncmp(p->odevname, ifname, len) == 0) {
+ if (p->odevname[len]) {
+ if (exact || p->odevname[len] != '@')
+ continue;
+ }
pkt_dev = p;
break;
}
@@ -3619,6 +3625,7 @@ static int pktgen_add_device(struct pktgen_thread *t, const char *ifname)
{
struct pktgen_dev *pkt_dev;
int err;
+ int node = cpu_to_node(t->cpu);
/* We don't allow a device to be on several threads */
@@ -3628,11 +3635,13 @@ static int pktgen_add_device(struct pktgen_thread *t, const char *ifname)
return -EBUSY;
}
- pkt_dev = kzalloc(sizeof(struct pktgen_dev), GFP_KERNEL);
+ pkt_dev = kzalloc_node(sizeof(struct pktgen_dev), GFP_KERNEL, node);
if (!pkt_dev)
return -ENOMEM;
- pkt_dev->flows = vmalloc(MAX_CFLOWS * sizeof(struct flow_state));
+ strcpy(pkt_dev->odevname, ifname);
+ pkt_dev->flows = vmalloc_node(MAX_CFLOWS * sizeof(struct flow_state),
+ node);
if (pkt_dev->flows == NULL) {
kfree(pkt_dev);
return -ENOMEM;
@@ -3694,7 +3703,8 @@ static int __init pktgen_create_thread(int cpu)
struct proc_dir_entry *pe;
struct task_struct *p;
- t = kzalloc(sizeof(struct pktgen_thread), GFP_KERNEL);
+ t = kzalloc_node(sizeof(struct pktgen_thread), GFP_KERNEL,
+ cpu_to_node(cpu));
if (!t) {
printk(KERN_ERR "pktgen: ERROR: out of memory, can't "
"create new thread.\n");
generated by cgit v1.1 at 2025-08-22 12:14:02 +0000