diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-28 23:03:42 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-28 23:03:42 -0700 |
commit | 3dcbbcda7c5b77c400791b26facd6593c5b176e0 (patch) | |
tree | 2e7b844c4d450cf43810a6ed0ddd5c702c245a88 /net/core/pktgen.c | |
parent | c972398b7871d9fb58c6a317786065a7cc6ca4be (diff) | |
parent | 6fbe59b9569b2c8d5522d182263935c6c86fc40a (diff) |
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (160 commits)
[ETHTOOL]: Remove some entries from non-root command list.
[Bluetooth]: Fix section mismatch of bt_sysfs_cleanup()
[Bluetooth]: Don't update disconnect timer for incoming connections
[ETHTOOL]: let mortals use ethtool
[NetLabel]: add audit support for configuration changes
[TCP]: Fix and simplify microsecond rtt sampling
[TCP] tcp-lp: prevent chance for oops
[SUNRPC]: Remove unnecessary check in net/sunrpc/svcsock.c
[IPVS] bug: endianness breakage in ip_vs_ftp
[IPVS]: ipvs annotations
[NETFILTER]: h323 annotations
[NETFILTER]: ipt annotations
[NETFILTER]: NAT annotations
[NETFILTER]: conntrack annotations
[NETFILTER]: netfilter misc annotations
[NET]: Annotate dst_ops protocol
[NET]: is it Andy or Andi ??
[IPVS]: Make sure ip_vs_ftp ports are valid: module_param_array approach
[IPVS]: Reverse valid ip_vs_ftp ports fix: port check approach
[IrDA] stir4200: removing undocumented bits handling
...
Diffstat (limited to 'net/core/pktgen.c')
-rw-r--r-- | net/core/pktgen.c | 321 |
1 files changed, 306 insertions, 15 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 72145d4a260..dd023fd2830 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -109,6 +109,8 @@ * * MPLS support by Steven Whitehouse <steve@chygwyn.com> * + * 802.1Q/Q-in-Q support by Francesco Fondelli (FF) <francesco.fondelli@gmail.com> + * */ #include <linux/sys.h> #include <linux/types.h> @@ -137,6 +139,7 @@ #include <linux/inetdevice.h> #include <linux/rtnetlink.h> #include <linux/if_arp.h> +#include <linux/if_vlan.h> #include <linux/in.h> #include <linux/ip.h> #include <linux/ipv6.h> @@ -157,7 +160,7 @@ #include <asm/div64.h> /* do_div */ #include <asm/timex.h> -#define VERSION "pktgen v2.67: Packet Generator for packet performance testing.\n" +#define VERSION "pktgen v2.68: Packet Generator for packet performance testing.\n" /* #define PG_DEBUG(a) a */ #define PG_DEBUG(a) @@ -178,6 +181,8 @@ #define F_TXSIZE_RND (1<<6) /* Transmit size is random */ #define F_IPV6 (1<<7) /* Interface in IPV6 Mode */ #define F_MPLS_RND (1<<8) /* Random MPLS labels */ +#define F_VID_RND (1<<9) /* Random VLAN ID */ +#define F_SVID_RND (1<<10) /* Random SVLAN ID */ /* Thread control flag bits */ #define T_TERMINATE (1<<0) @@ -198,6 +203,9 @@ static struct proc_dir_entry *pg_proc_dir = NULL; #define MAX_CFLOWS 65536 +#define VLAN_TAG_SIZE(x) ((x)->vlan_id == 0xffff ? 0 : 4) +#define SVLAN_TAG_SIZE(x) ((x)->svlan_id == 0xffff ? 0 : 4) + struct flow_state { __u32 cur_daddr; int count; @@ -284,10 +292,23 @@ struct pktgen_dev { __u16 udp_dst_min; /* inclusive, dest UDP port */ __u16 udp_dst_max; /* exclusive, dest UDP port */ + /* DSCP + ECN */ + __u8 tos; /* six most significant bits of (former) IPv4 TOS are for dscp codepoint */ + __u8 traffic_class; /* ditto for the (former) Traffic Class in IPv6 (see RFC 3260, sec. 4) */ + /* MPLS */ unsigned nr_labels; /* Depth of stack, 0 = no MPLS */ __be32 labels[MAX_MPLS_LABELS]; + /* VLAN/SVLAN (802.1Q/Q-in-Q) */ + __u8 vlan_p; + __u8 vlan_cfi; + __u16 vlan_id; /* 0xffff means no vlan tag */ + + __u8 svlan_p; + __u8 svlan_cfi; + __u16 svlan_id; /* 0xffff means no svlan tag */ + __u32 src_mac_count; /* How many MACs to iterate through */ __u32 dst_mac_count; /* How many MACs to iterate through */ @@ -644,6 +665,24 @@ static int pktgen_if_show(struct seq_file *seq, void *v) i == pkt_dev->nr_labels-1 ? "\n" : ", "); } + if (pkt_dev->vlan_id != 0xffff) { + seq_printf(seq, " vlan_id: %u vlan_p: %u vlan_cfi: %u\n", + pkt_dev->vlan_id, pkt_dev->vlan_p, pkt_dev->vlan_cfi); + } + + if (pkt_dev->svlan_id != 0xffff) { + seq_printf(seq, " svlan_id: %u vlan_p: %u vlan_cfi: %u\n", + pkt_dev->svlan_id, pkt_dev->svlan_p, pkt_dev->svlan_cfi); + } + + if (pkt_dev->tos) { + seq_printf(seq, " tos: 0x%02x\n", pkt_dev->tos); + } + + if (pkt_dev->traffic_class) { + seq_printf(seq, " traffic_class: 0x%02x\n", pkt_dev->traffic_class); + } + seq_printf(seq, " Flags: "); if (pkt_dev->flags & F_IPV6) @@ -673,6 +712,12 @@ static int pktgen_if_show(struct seq_file *seq, void *v) if (pkt_dev->flags & F_MACDST_RND) seq_printf(seq, "MACDST_RND "); + if (pkt_dev->flags & F_VID_RND) + seq_printf(seq, "VID_RND "); + + if (pkt_dev->flags & F_SVID_RND) + seq_printf(seq, "SVID_RND "); + seq_puts(seq, "\n"); sa = pkt_dev->started_at; @@ -715,12 +760,12 @@ static int pktgen_if_show(struct seq_file *seq, void *v) } -static int hex32_arg(const char __user *user_buffer, __u32 *num) +static int hex32_arg(const char __user *user_buffer, unsigned long maxlen, __u32 *num) { int i = 0; *num = 0; - for(; i < 8; i++) { + for(; i < maxlen; i++) { char c; *num <<= 4; if (get_user(c, &user_buffer[i])) @@ -815,7 +860,7 @@ static ssize_t get_labels(const char __user *buffer, struct pktgen_dev *pkt_dev) pkt_dev->nr_labels = 0; do { __u32 tmp; - len = hex32_arg(&buffer[i], &tmp); + len = hex32_arg(&buffer[i], 8, &tmp); if (len <= 0) return len; pkt_dev->labels[n] = htonl(tmp); @@ -1140,11 +1185,27 @@ static ssize_t pktgen_if_write(struct file *file, else if (strcmp(f, "!MPLS_RND") == 0) pkt_dev->flags &= ~F_MPLS_RND; + else if (strcmp(f, "VID_RND") == 0) + pkt_dev->flags |= F_VID_RND; + + else if (strcmp(f, "!VID_RND") == 0) + pkt_dev->flags &= ~F_VID_RND; + + else if (strcmp(f, "SVID_RND") == 0) + pkt_dev->flags |= F_SVID_RND; + + else if (strcmp(f, "!SVID_RND") == 0) + pkt_dev->flags &= ~F_SVID_RND; + + else if (strcmp(f, "!IPV6") == 0) + pkt_dev->flags &= ~F_IPV6; + else { sprintf(pg_result, "Flag -:%s:- unknown\nAvailable flags, (prepend ! to un-set flag):\n%s", f, - "IPSRC_RND, IPDST_RND, TXSIZE_RND, UDPSRC_RND, UDPDST_RND, MACSRC_RND, MACDST_RND\n"); + "IPSRC_RND, IPDST_RND, UDPSRC_RND, UDPDST_RND, " + "MACSRC_RND, MACDST_RND, TXSIZE_RND, IPV6, MPLS_RND, VID_RND, SVID_RND\n"); return count; } sprintf(pg_result, "OK: flags=0x%x", pkt_dev->flags); @@ -1445,6 +1506,160 @@ static ssize_t pktgen_if_write(struct file *file, offset += sprintf(pg_result + offset, "%08x%s", ntohl(pkt_dev->labels[n]), n == pkt_dev->nr_labels-1 ? "" : ","); + + if (pkt_dev->nr_labels && pkt_dev->vlan_id != 0xffff) { + pkt_dev->vlan_id = 0xffff; /* turn off VLAN/SVLAN */ + pkt_dev->svlan_id = 0xffff; + + if (debug) + printk("pktgen: VLAN/SVLAN auto turned off\n"); + } + return count; + } + + if (!strcmp(name, "vlan_id")) { + len = num_arg(&user_buffer[i], 4, &value); + if (len < 0) { + return len; + } + i += len; + if (value <= 4095) { + pkt_dev->vlan_id = value; /* turn on VLAN */ + + if (debug) + printk("pktgen: VLAN turned on\n"); + + if (debug && pkt_dev->nr_labels) + printk("pktgen: MPLS auto turned off\n"); + + pkt_dev->nr_labels = 0; /* turn off MPLS */ + sprintf(pg_result, "OK: vlan_id=%u", pkt_dev->vlan_id); + } else { + pkt_dev->vlan_id = 0xffff; /* turn off VLAN/SVLAN */ + pkt_dev->svlan_id = 0xffff; + + if (debug) + printk("pktgen: VLAN/SVLAN turned off\n"); + } + return count; + } + + if (!strcmp(name, "vlan_p")) { + len = num_arg(&user_buffer[i], 1, &value); + if (len < 0) { + return len; + } + i += len; + if ((value <= 7) && (pkt_dev->vlan_id != 0xffff)) { + pkt_dev->vlan_p = value; + sprintf(pg_result, "OK: vlan_p=%u", pkt_dev->vlan_p); + } else { + sprintf(pg_result, "ERROR: vlan_p must be 0-7"); + } + return count; + } + + if (!strcmp(name, "vlan_cfi")) { + len = num_arg(&user_buffer[i], 1, &value); + if (len < 0) { + return len; + } + i += len; + if ((value <= 1) && (pkt_dev->vlan_id != 0xffff)) { + pkt_dev->vlan_cfi = value; + sprintf(pg_result, "OK: vlan_cfi=%u", pkt_dev->vlan_cfi); + } else { + sprintf(pg_result, "ERROR: vlan_cfi must be 0-1"); + } + return count; + } + + if (!strcmp(name, "svlan_id")) { + len = num_arg(&user_buffer[i], 4, &value); + if (len < 0) { + return len; + } + i += len; + if ((value <= 4095) && ((pkt_dev->vlan_id != 0xffff))) { + pkt_dev->svlan_id = value; /* turn on SVLAN */ + + if (debug) + printk("pktgen: SVLAN turned on\n"); + + if (debug && pkt_dev->nr_labels) + printk("pktgen: MPLS auto turned off\n"); + + pkt_dev->nr_labels = 0; /* turn off MPLS */ + sprintf(pg_result, "OK: svlan_id=%u", pkt_dev->svlan_id); + } else { + pkt_dev->vlan_id = 0xffff; /* turn off VLAN/SVLAN */ + pkt_dev->svlan_id = 0xffff; + + if (debug) + printk("pktgen: VLAN/SVLAN turned off\n"); + } + return count; + } + + if (!strcmp(name, "svlan_p")) { + len = num_arg(&user_buffer[i], 1, &value); + if (len < 0) { + return len; + } + i += len; + if ((value <= 7) && (pkt_dev->svlan_id != 0xffff)) { + pkt_dev->svlan_p = value; + sprintf(pg_result, "OK: svlan_p=%u", pkt_dev->svlan_p); + } else { + sprintf(pg_result, "ERROR: svlan_p must be 0-7"); + } + return count; + } + + if (!strcmp(name, "svlan_cfi")) { + len = num_arg(&user_buffer[i], 1, &value); + if (len < 0) { + return len; + } + i += len; + if ((value <= 1) && (pkt_dev->svlan_id != 0xffff)) { + pkt_dev->svlan_cfi = value; + sprintf(pg_result, "OK: svlan_cfi=%u", pkt_dev->svlan_cfi); + } else { + sprintf(pg_result, "ERROR: svlan_cfi must be 0-1"); + } + return count; + } + + if (!strcmp(name, "tos")) { + __u32 tmp_value = 0; + len = hex32_arg(&user_buffer[i], 2, &tmp_value); + if (len < 0) { + return len; + } + i += len; + if (len == 2) { + pkt_dev->tos = tmp_value; + sprintf(pg_result, "OK: tos=0x%02x", pkt_dev->tos); + } else { + sprintf(pg_result, "ERROR: tos must be 00-ff"); + } + return count; + } + + if (!strcmp(name, "traffic_class")) { + __u32 tmp_value = 0; + len = hex32_arg(&user_buffer[i], 2, &tmp_value); + if (len < 0) { + return len; + } + i += len; + if (len == 2) { + pkt_dev->traffic_class = tmp_value; + sprintf(pg_result, "OK: traffic_class=0x%02x", pkt_dev->traffic_class); + } else { + sprintf(pg_result, "ERROR: traffic_class must be 00-ff"); + } return count; } @@ -1949,6 +2164,14 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev) htonl(0x000fffff)); } + if ((pkt_dev->flags & F_VID_RND) && (pkt_dev->vlan_id != 0xffff)) { + pkt_dev->vlan_id = pktgen_random() % 4096; + } + + if ((pkt_dev->flags & F_SVID_RND) && (pkt_dev->svlan_id != 0xffff)) { + pkt_dev->svlan_id = pktgen_random() % 4096; + } + if (pkt_dev->udp_src_min < pkt_dev->udp_src_max) { if (pkt_dev->flags & F_UDPSRC_RND) pkt_dev->cur_udp_src = @@ -2092,10 +2315,18 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev, struct pktgen_hdr *pgh = NULL; __be16 protocol = __constant_htons(ETH_P_IP); __be32 *mpls; + __be16 *vlan_tci = NULL; /* Encapsulates priority and VLAN ID */ + __be16 *vlan_encapsulated_proto = NULL; /* packet type ID field (or len) for VLAN tag */ + __be16 *svlan_tci = NULL; /* Encapsulates priority and SVLAN ID */ + __be16 *svlan_encapsulated_proto = NULL; /* packet type ID field (or len) for SVLAN tag */ + if (pkt_dev->nr_labels) protocol = __constant_htons(ETH_P_MPLS_UC); + if (pkt_dev->vlan_id != 0xffff) + protocol = __constant_htons(ETH_P_8021Q); + /* Update any of the values, used when we're incrementing various * fields. */ @@ -2103,7 +2334,9 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev, datalen = (odev->hard_header_len + 16) & ~0xf; skb = alloc_skb(pkt_dev->cur_pkt_size + 64 + datalen + - pkt_dev->nr_labels*sizeof(u32), GFP_ATOMIC); + pkt_dev->nr_labels*sizeof(u32) + + VLAN_TAG_SIZE(pkt_dev) + SVLAN_TAG_SIZE(pkt_dev), + GFP_ATOMIC); if (!skb) { sprintf(pkt_dev->result, "No memory"); return NULL; @@ -2116,6 +2349,24 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev, mpls = (__be32 *)skb_put(skb, pkt_dev->nr_labels*sizeof(__u32)); if (pkt_dev->nr_labels) mpls_push(mpls, pkt_dev); + + if (pkt_dev->vlan_id != 0xffff) { + if(pkt_dev->svlan_id != 0xffff) { + svlan_tci = (__be16 *)skb_put(skb, sizeof(__be16)); + *svlan_tci = htons(pkt_dev->svlan_id); + *svlan_tci |= pkt_dev->svlan_p << 5; + *svlan_tci |= pkt_dev->svlan_cfi << 4; + svlan_encapsulated_proto = (__be16 *)skb_put(skb, sizeof(__be16)); + *svlan_encapsulated_proto = __constant_htons(ETH_P_8021Q); + } + vlan_tci = (__be16 *)skb_put(skb, sizeof(__be16)); + *vlan_tci = htons(pkt_dev->vlan_id); + *vlan_tci |= pkt_dev->vlan_p << 5; + *vlan_tci |= pkt_dev->vlan_cfi << 4; + vlan_encapsulated_proto = (__be16 *)skb_put(skb, sizeof(__be16)); + *vlan_encapsulated_proto = __constant_htons(ETH_P_IP); + } + iph = (struct iphdr *)skb_put(skb, sizeof(struct iphdr)); udph = (struct udphdr *)skb_put(skb, sizeof(struct udphdr)); @@ -2124,7 +2375,7 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev, /* Eth + IPh + UDPh + mpls */ datalen = pkt_dev->cur_pkt_size - 14 - 20 - 8 - - pkt_dev->nr_labels*sizeof(u32); + pkt_dev->nr_labels*sizeof(u32) - VLAN_TAG_SIZE(pkt_dev) - SVLAN_TAG_SIZE(pkt_dev); if (datalen < sizeof(struct pktgen_hdr)) datalen = sizeof(struct pktgen_hdr); @@ -2136,7 +2387,7 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev, iph->ihl = 5; iph->version = 4; iph->ttl = 32; - iph->tos = 0; + iph->tos = pkt_dev->tos; iph->protocol = IPPROTO_UDP; /* UDP */ iph->saddr = pkt_dev->cur_saddr; iph->daddr = pkt_dev->cur_daddr; @@ -2146,7 +2397,8 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev, iph->check = 0; iph->check = ip_fast_csum((void *)iph, iph->ihl); skb->protocol = protocol; - skb->mac.raw = ((u8 *) iph) - 14 - pkt_dev->nr_labels*sizeof(u32); + skb->mac.raw = ((u8 *) iph) - 14 - pkt_dev->nr_labels*sizeof(u32) - + VLAN_TAG_SIZE(pkt_dev) - SVLAN_TAG_SIZE(pkt_dev); skb->dev = odev; skb->pkt_type = PACKET_HOST; skb->nh.iph = iph; @@ -2218,7 +2470,6 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev, pgh->tv_sec = htonl(timestamp.tv_sec); pgh->tv_usec = htonl(timestamp.tv_usec); } - pkt_dev->seq_num++; return skb; } @@ -2402,17 +2653,26 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev, struct pktgen_hdr *pgh = NULL; __be16 protocol = __constant_htons(ETH_P_IPV6); __be32 *mpls; + __be16 *vlan_tci = NULL; /* Encapsulates priority and VLAN ID */ + __be16 *vlan_encapsulated_proto = NULL; /* packet type ID field (or len) for VLAN tag */ + __be16 *svlan_tci = NULL; /* Encapsulates priority and SVLAN ID */ + __be16 *svlan_encapsulated_proto = NULL; /* packet type ID field (or len) for SVLAN tag */ if (pkt_dev->nr_labels) protocol = __constant_htons(ETH_P_MPLS_UC); + if (pkt_dev->vlan_id != 0xffff) + protocol = __constant_htons(ETH_P_8021Q); + /* Update any of the values, used when we're incrementing various * fields. */ mod_cur_headers(pkt_dev); skb = alloc_skb(pkt_dev->cur_pkt_size + 64 + 16 + - pkt_dev->nr_labels*sizeof(u32), GFP_ATOMIC); + pkt_dev->nr_labels*sizeof(u32) + + VLAN_TAG_SIZE(pkt_dev) + SVLAN_TAG_SIZE(pkt_dev), + GFP_ATOMIC); if (!skb) { sprintf(pkt_dev->result, "No memory"); return NULL; @@ -2425,16 +2685,34 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev, mpls = (__be32 *)skb_put(skb, pkt_dev->nr_labels*sizeof(__u32)); if (pkt_dev->nr_labels) mpls_push(mpls, pkt_dev); + + if (pkt_dev->vlan_id != 0xffff) { + if(pkt_dev->svlan_id != 0xffff) { + svlan_tci = (__be16 *)skb_put(skb, sizeof(__be16)); + *svlan_tci = htons(pkt_dev->svlan_id); + *svlan_tci |= pkt_dev->svlan_p << 5; + *svlan_tci |= pkt_dev->svlan_cfi << 4; + svlan_encapsulated_proto = (__be16 *)skb_put(skb, sizeof(__be16)); + *svlan_encapsulated_proto = __constant_htons(ETH_P_8021Q); + } + vlan_tci = (__be16 *)skb_put(skb, sizeof(__be16)); + *vlan_tci = htons(pkt_dev->vlan_id); + *vlan_tci |= pkt_dev->vlan_p << 5; + *vlan_tci |= pkt_dev->vlan_cfi << 4; + vlan_encapsulated_proto = (__be16 *)skb_put(skb, sizeof(__be16)); + *vlan_encapsulated_proto = __constant_htons(ETH_P_IPV6); + } + iph = (struct ipv6hdr *)skb_put(skb, sizeof(struct ipv6hdr)); udph = (struct udphdr *)skb_put(skb, sizeof(struct udphdr)); memcpy(eth, pkt_dev->hh, 12); - *(u16 *) & eth[12] = __constant_htons(ETH_P_IPV6); + *(u16 *) & eth[12] = protocol; /* Eth + IPh + UDPh + mpls */ datalen = pkt_dev->cur_pkt_size - 14 - sizeof(struct ipv6hdr) - sizeof(struct udphdr) - - pkt_dev->nr_labels*sizeof(u32); + pkt_dev->nr_labels*sizeof(u32) - VLAN_TAG_SIZE(pkt_dev) - SVLAN_TAG_SIZE(pkt_dev); if (datalen < sizeof(struct pktgen_hdr)) { datalen = sizeof(struct pktgen_hdr); @@ -2450,6 +2728,11 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev, *(u32 *) iph = __constant_htonl(0x60000000); /* Version + flow */ + if (pkt_dev->traffic_class) { + /* Version + traffic class + flow (0) */ + *(u32 *)iph |= htonl(0x60000000 | (pkt_dev->traffic_class << 20)); + } + iph->hop_limit = 32; iph->payload_len = htons(sizeof(struct udphdr) + datalen); @@ -2458,7 +2741,8 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev, ipv6_addr_copy(&iph->daddr, &pkt_dev->cur_in6_daddr); ipv6_addr_copy(&iph->saddr, &pkt_dev->cur_in6_saddr); - skb->mac.raw = ((u8 *) iph) - 14 - pkt_dev->nr_labels*sizeof(u32); + skb->mac.raw = ((u8 *) iph) - 14 - pkt_dev->nr_labels*sizeof(u32) - + VLAN_TAG_SIZE(pkt_dev) - SVLAN_TAG_SIZE(pkt_dev); skb->protocol = protocol; skb->dev = odev; skb->pkt_type = PACKET_HOST; @@ -2531,7 +2815,7 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev, pgh->tv_sec = htonl(timestamp.tv_sec); pgh->tv_usec = htonl(timestamp.tv_usec); } - pkt_dev->seq_num++; + /* pkt_dev->seq_num++; FF: you really mean this? */ return skb; } @@ -3177,6 +3461,13 @@ static int pktgen_add_device(struct pktgen_thread *t, const char *ifname) pkt_dev->udp_dst_min = 9; pkt_dev->udp_dst_max = 9; + pkt_dev->vlan_p = 0; + pkt_dev->vlan_cfi = 0; + pkt_dev->vlan_id = 0xffff; + pkt_dev->svlan_p = 0; + pkt_dev->svlan_cfi = 0; + pkt_dev->svlan_id = 0xffff; + strncpy(pkt_dev->ifname, ifname, IFNAMSIZ); if (!pktgen_setup_dev(pkt_dev)) { |