diff options
| -rw-r--r-- | net/core/pktgen.c | 37 |
1 files changed, 34 insertions, 3 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 2498cda..5262364 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -168,7 +168,7 @@ #include <asm/div64.h> /* do_div */ #include <asm/timex.h> -#define VERSION "pktgen v2.69: Packet Generator for packet performance testing.\n" +#define VERSION "pktgen v2.70: Packet Generator for packet performance testing.\n" #define IP_NAME_SZ 32 #define MAX_MPLS_LABELS 16 /* This is the max label stack depth */ @@ -189,6 +189,7 @@ #define F_FLOW_SEQ (1<<11) /* Sequential flows */ #define F_IPSEC_ON (1<<12) /* ipsec on for flows */ #define F_QUEUE_MAP_RND (1<<13) /* queue map Random */ +#define F_QUEUE_MAP_CPU (1<<14) /* queue map mirrors smp_processor_id() */ /* Thread control flag bits */ #define T_TERMINATE (1<<0) @@ -621,6 +622,9 @@ static int pktgen_if_show(struct seq_file *seq, void *v) if (pkt_dev->flags & F_QUEUE_MAP_RND) seq_printf(seq, "QUEUE_MAP_RND "); + if (pkt_dev->flags & F_QUEUE_MAP_CPU) + seq_printf(seq, "QUEUE_MAP_CPU "); + if (pkt_dev->cflows) { if (pkt_dev->flags & F_FLOW_SEQ) seq_printf(seq, "FLOW_SEQ "); /*in sequence flows*/ @@ -1134,6 +1138,12 @@ static ssize_t pktgen_if_write(struct file *file, else if (strcmp(f, "!QUEUE_MAP_RND") == 0) pkt_dev->flags &= ~F_QUEUE_MAP_RND; + + else if (strcmp(f, "QUEUE_MAP_CPU") == 0) + pkt_dev->flags |= F_QUEUE_MAP_CPU; + + else if (strcmp(f, "!QUEUE_MAP_CPU") == 0) + pkt_dev->flags &= ~F_QUEUE_MAP_CPU; #ifdef CONFIG_XFRM else if (strcmp(f, "IPSEC") == 0) pkt_dev->flags |= F_IPSEC_ON; @@ -1895,6 +1905,23 @@ static int pktgen_device_event(struct notifier_block *unused, return NOTIFY_DONE; } +static struct net_device *pktgen_dev_get_by_name(struct pktgen_dev *pkt_dev, const char *ifname) +{ + char b[IFNAMSIZ+5]; + int i = 0; + + for(i=0; ifname[i] != '@'; i++) { + if(i == IFNAMSIZ) + break; + + b[i] = ifname[i]; + } + b[i] = 0; + + return dev_get_by_name(&init_net, b); +} + + /* Associate pktgen_dev with a device. */ static int pktgen_setup_dev(struct pktgen_dev *pkt_dev, const char *ifname) @@ -1908,7 +1935,7 @@ static int pktgen_setup_dev(struct pktgen_dev *pkt_dev, const char *ifname) pkt_dev->odev = NULL; } - odev = dev_get_by_name(&init_net, ifname); + odev = pktgen_dev_get_by_name(pkt_dev, ifname); if (!odev) { printk(KERN_ERR "pktgen: no such netdevice: \"%s\"\n", ifname); return -ENODEV; @@ -2129,7 +2156,11 @@ static void get_ipsec_sa(struct pktgen_dev *pkt_dev, int flow) #endif static void set_cur_queue_map(struct pktgen_dev *pkt_dev) { - if (pkt_dev->queue_map_min < pkt_dev->queue_map_max) { + + if (pkt_dev->flags & F_QUEUE_MAP_CPU) + pkt_dev->cur_queue_map = smp_processor_id(); + + else if (pkt_dev->queue_map_min < pkt_dev->queue_map_max) { __u16 t; if (pkt_dev->flags & F_QUEUE_MAP_RND) { t = random32() % |