diff options
| -rw-r--r-- | net/core/pktgen.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 803d0c8826af..1d6f1c6270b6 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -189,6 +189,7 @@ #define F_SVID_RND (1<<10) /* Random SVLAN ID */ #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 */ /* Thread control flag bits */ #define T_TERMINATE (1<<0) @@ -331,6 +332,7 @@ struct pktgen_dev { __be32 cur_daddr; __u16 cur_udp_dst; __u16 cur_udp_src; + __u16 cur_queue_map; __u32 cur_pkt_size; __u8 hh[14]; @@ -358,6 +360,10 @@ struct pktgen_dev { unsigned lflow; /* Flow length (config) */ unsigned nflows; /* accumulated flows (stats) */ unsigned curfl; /* current sequenced flow (state)*/ + + u16 queue_map_min; + u16 queue_map_max; + #ifdef CONFIG_XFRM __u8 ipsmode; /* IPSEC mode (config) */ __u8 ipsproto; /* IPSEC type (config) */ @@ -613,6 +619,11 @@ static int pktgen_if_show(struct seq_file *seq, void *v) seq_printf(seq, " flows: %u flowlen: %u\n", pkt_dev->cflows, pkt_dev->lflow); + seq_printf(seq, + " queue_map_min: %u queue_map_max: %u\n", + pkt_dev->queue_map_min, + pkt_dev->queue_map_max); + if (pkt_dev->flags & F_IPV6) { char b1[128], b2[128], b3[128]; fmt_ip6(b1, pkt_dev->in6_saddr.s6_addr); @@ -709,6 +720,9 @@ static int pktgen_if_show(struct seq_file *seq, void *v) if (pkt_dev->flags & F_MPLS_RND) seq_printf(seq, "MPLS_RND "); + if (pkt_dev->flags & F_QUEUE_MAP_RND) + seq_printf(seq, "QUEUE_MAP_RND "); + if (pkt_dev->cflows) { if (pkt_dev->flags & F_FLOW_SEQ) seq_printf(seq, "FLOW_SEQ "); /*in sequence flows*/ @@ -764,6 +778,8 @@ static int pktgen_if_show(struct seq_file *seq, void *v) seq_printf(seq, " cur_udp_dst: %d cur_udp_src: %d\n", pkt_dev->cur_udp_dst, pkt_dev->cur_udp_src); + seq_printf(seq, " cur_queue_map: %u\n", pkt_dev->cur_queue_map); + seq_printf(seq, " flows: %u\n", pkt_dev->nflows); if (pkt_dev->result[0]) @@ -1215,6 +1231,11 @@ static ssize_t pktgen_if_write(struct file *file, else if (strcmp(f, "FLOW_SEQ") == 0) pkt_dev->flags |= F_FLOW_SEQ; + else if (strcmp(f, "QUEUE_MAP_RND") == 0) + pkt_dev->flags |= F_QUEUE_MAP_RND; + + else if (strcmp(f, "!QUEUE_MAP_RND") == 0) + pkt_dev->flags &= ~F_QUEUE_MAP_RND; #ifdef CONFIG_XFRM else if (strcmp(f, "IPSEC") == 0) pkt_dev->flags |= F_IPSEC_ON; @@ -1526,6 +1547,28 @@ static ssize_t pktgen_if_write(struct file *file, return count; } + if (!strcmp(name, "queue_map_min")) { + len = num_arg(&user_buffer[i], 5, &value); + if (len < 0) { + return len; + } + i += len; + pkt_dev->queue_map_min = value; + sprintf(pg_result, "OK: queue_map_min=%u", pkt_dev->queue_map_min); + return count; + } + + if (!strcmp(name, "queue_map_max")) { + len = num_arg(&user_buffer[i], 5, &value); + if (len < 0) { + return len; + } + i += len; + pkt_dev->queue_map_max = value; + sprintf(pg_result, "OK: queue_map_max=%u", pkt_dev->queue_map_max); + return count; + } + if (!strcmp(name, "mpls")) { unsigned n, offset; len = get_labels(&user_buffer[i], pkt_dev); @@ -2387,6 +2430,20 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev) pkt_dev->cur_pkt_size = t; } + if (pkt_dev->queue_map_min < pkt_dev->queue_map_max) { + __u16 t; + if (pkt_dev->flags & F_QUEUE_MAP_RND) { + t = random32() % + (pkt_dev->queue_map_max - pkt_dev->queue_map_min + 1) + + pkt_dev->queue_map_min; + } else { + t = pkt_dev->cur_queue_map + 1; + if (t > pkt_dev->queue_map_max) + t = pkt_dev->queue_map_min; + } + pkt_dev->cur_queue_map = t; + } + pkt_dev->flows[flow].count++; } @@ -2557,6 +2614,7 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev, skb->network_header = skb->tail; skb->transport_header = skb->network_header + sizeof(struct iphdr); skb_put(skb, sizeof(struct iphdr) + sizeof(struct udphdr)); + skb->queue_mapping = pkt_dev->cur_queue_map; iph = ip_hdr(skb); udph = udp_hdr(skb); @@ -2898,6 +2956,7 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev, skb->network_header = skb->tail; skb->transport_header = skb->network_header + sizeof(struct ipv6hdr); skb_put(skb, sizeof(struct ipv6hdr) + sizeof(struct udphdr)); + skb->queue_mapping = pkt_dev->cur_queue_map; iph = ipv6_hdr(skb); udph = udp_hdr(skb); |