diff options
Diffstat (limited to 'net/core')
-rw-r--r-- | net/core/pktgen.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c index dffe067e7a7b..9f0a780aa916 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c | |||
@@ -228,6 +228,7 @@ struct pktgen_dev { | |||
228 | 228 | ||
229 | int min_pkt_size; /* = ETH_ZLEN; */ | 229 | int min_pkt_size; /* = ETH_ZLEN; */ |
230 | int max_pkt_size; /* = ETH_ZLEN; */ | 230 | int max_pkt_size; /* = ETH_ZLEN; */ |
231 | int pkt_overhead; /* overhead for MPLS, VLANs, IPSEC etc */ | ||
231 | int nfrags; | 232 | int nfrags; |
232 | __u32 delay_us; /* Default delay */ | 233 | __u32 delay_us; /* Default delay */ |
233 | __u32 delay_ns; | 234 | __u32 delay_ns; |
@@ -2075,6 +2076,13 @@ static void spin(struct pktgen_dev *pkt_dev, __u64 spin_until_us) | |||
2075 | pkt_dev->idle_acc += now - start; | 2076 | pkt_dev->idle_acc += now - start; |
2076 | } | 2077 | } |
2077 | 2078 | ||
2079 | static inline void set_pkt_overhead(struct pktgen_dev *pkt_dev) | ||
2080 | { | ||
2081 | pkt_dev->pkt_overhead += pkt_dev->nr_labels*sizeof(u32); | ||
2082 | pkt_dev->pkt_overhead += VLAN_TAG_SIZE(pkt_dev); | ||
2083 | pkt_dev->pkt_overhead += SVLAN_TAG_SIZE(pkt_dev); | ||
2084 | } | ||
2085 | |||
2078 | /* Increment/randomize headers according to flags and current values | 2086 | /* Increment/randomize headers according to flags and current values |
2079 | * for IP src/dest, UDP src/dst port, MAC-Addr src/dst | 2087 | * for IP src/dest, UDP src/dst port, MAC-Addr src/dst |
2080 | */ | 2088 | */ |
@@ -2323,9 +2331,7 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev, | |||
2323 | 2331 | ||
2324 | datalen = (odev->hard_header_len + 16) & ~0xf; | 2332 | datalen = (odev->hard_header_len + 16) & ~0xf; |
2325 | skb = alloc_skb(pkt_dev->cur_pkt_size + 64 + datalen + | 2333 | skb = alloc_skb(pkt_dev->cur_pkt_size + 64 + datalen + |
2326 | pkt_dev->nr_labels*sizeof(u32) + | 2334 | pkt_dev->pkt_overhead, GFP_ATOMIC); |
2327 | VLAN_TAG_SIZE(pkt_dev) + SVLAN_TAG_SIZE(pkt_dev), | ||
2328 | GFP_ATOMIC); | ||
2329 | if (!skb) { | 2335 | if (!skb) { |
2330 | sprintf(pkt_dev->result, "No memory"); | 2336 | sprintf(pkt_dev->result, "No memory"); |
2331 | return NULL; | 2337 | return NULL; |
@@ -2368,7 +2374,7 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev, | |||
2368 | 2374 | ||
2369 | /* Eth + IPh + UDPh + mpls */ | 2375 | /* Eth + IPh + UDPh + mpls */ |
2370 | datalen = pkt_dev->cur_pkt_size - 14 - 20 - 8 - | 2376 | datalen = pkt_dev->cur_pkt_size - 14 - 20 - 8 - |
2371 | pkt_dev->nr_labels*sizeof(u32) - VLAN_TAG_SIZE(pkt_dev) - SVLAN_TAG_SIZE(pkt_dev); | 2377 | pkt_dev->pkt_overhead; |
2372 | if (datalen < sizeof(struct pktgen_hdr)) | 2378 | if (datalen < sizeof(struct pktgen_hdr)) |
2373 | datalen = sizeof(struct pktgen_hdr); | 2379 | datalen = sizeof(struct pktgen_hdr); |
2374 | 2380 | ||
@@ -2391,8 +2397,7 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev, | |||
2391 | iph->check = ip_fast_csum((void *)iph, iph->ihl); | 2397 | iph->check = ip_fast_csum((void *)iph, iph->ihl); |
2392 | skb->protocol = protocol; | 2398 | skb->protocol = protocol; |
2393 | skb->mac_header = (skb->network_header - ETH_HLEN - | 2399 | skb->mac_header = (skb->network_header - ETH_HLEN - |
2394 | pkt_dev->nr_labels * sizeof(u32) - | 2400 | pkt_dev->pkt_overhead); |
2395 | VLAN_TAG_SIZE(pkt_dev) - SVLAN_TAG_SIZE(pkt_dev)); | ||
2396 | skb->dev = odev; | 2401 | skb->dev = odev; |
2397 | skb->pkt_type = PACKET_HOST; | 2402 | skb->pkt_type = PACKET_HOST; |
2398 | 2403 | ||
@@ -2662,9 +2667,7 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev, | |||
2662 | mod_cur_headers(pkt_dev); | 2667 | mod_cur_headers(pkt_dev); |
2663 | 2668 | ||
2664 | skb = alloc_skb(pkt_dev->cur_pkt_size + 64 + 16 + | 2669 | skb = alloc_skb(pkt_dev->cur_pkt_size + 64 + 16 + |
2665 | pkt_dev->nr_labels*sizeof(u32) + | 2670 | pkt_dev->pkt_overhead, GFP_ATOMIC); |
2666 | VLAN_TAG_SIZE(pkt_dev) + SVLAN_TAG_SIZE(pkt_dev), | ||
2667 | GFP_ATOMIC); | ||
2668 | if (!skb) { | 2671 | if (!skb) { |
2669 | sprintf(pkt_dev->result, "No memory"); | 2672 | sprintf(pkt_dev->result, "No memory"); |
2670 | return NULL; | 2673 | return NULL; |
@@ -2708,7 +2711,7 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev, | |||
2708 | /* Eth + IPh + UDPh + mpls */ | 2711 | /* Eth + IPh + UDPh + mpls */ |
2709 | datalen = pkt_dev->cur_pkt_size - 14 - | 2712 | datalen = pkt_dev->cur_pkt_size - 14 - |
2710 | sizeof(struct ipv6hdr) - sizeof(struct udphdr) - | 2713 | sizeof(struct ipv6hdr) - sizeof(struct udphdr) - |
2711 | pkt_dev->nr_labels*sizeof(u32) - VLAN_TAG_SIZE(pkt_dev) - SVLAN_TAG_SIZE(pkt_dev); | 2714 | pkt_dev->pkt_overhead; |
2712 | 2715 | ||
2713 | if (datalen < sizeof(struct pktgen_hdr)) { | 2716 | if (datalen < sizeof(struct pktgen_hdr)) { |
2714 | datalen = sizeof(struct pktgen_hdr); | 2717 | datalen = sizeof(struct pktgen_hdr); |
@@ -2738,8 +2741,7 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev, | |||
2738 | ipv6_addr_copy(&iph->saddr, &pkt_dev->cur_in6_saddr); | 2741 | ipv6_addr_copy(&iph->saddr, &pkt_dev->cur_in6_saddr); |
2739 | 2742 | ||
2740 | skb->mac_header = (skb->network_header - ETH_HLEN - | 2743 | skb->mac_header = (skb->network_header - ETH_HLEN - |
2741 | pkt_dev->nr_labels * sizeof(u32) - | 2744 | pkt_dev->pkt_overhead); |
2742 | VLAN_TAG_SIZE(pkt_dev) - SVLAN_TAG_SIZE(pkt_dev)); | ||
2743 | skb->protocol = protocol; | 2745 | skb->protocol = protocol; |
2744 | skb->dev = odev; | 2746 | skb->dev = odev; |
2745 | skb->pkt_type = PACKET_HOST; | 2747 | skb->pkt_type = PACKET_HOST; |
@@ -2857,6 +2859,7 @@ static void pktgen_run(struct pktgen_thread *t) | |||
2857 | pkt_dev->started_at = getCurUs(); | 2859 | pkt_dev->started_at = getCurUs(); |
2858 | pkt_dev->next_tx_us = getCurUs(); /* Transmit immediately */ | 2860 | pkt_dev->next_tx_us = getCurUs(); /* Transmit immediately */ |
2859 | pkt_dev->next_tx_ns = 0; | 2861 | pkt_dev->next_tx_ns = 0; |
2862 | set_pkt_overhead(pkt_dev); | ||
2860 | 2863 | ||
2861 | strcpy(pkt_dev->result, "Starting"); | 2864 | strcpy(pkt_dev->result, "Starting"); |
2862 | started++; | 2865 | started++; |