diff options
Diffstat (limited to 'net/core/pktgen.c')
| -rw-r--r-- | net/core/pktgen.c | 41 |
1 files changed, 15 insertions, 26 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 631056d44b7..da16f8fd149 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -116,13 +116,13 @@ #include <linux/sched.h> #include <linux/slab.h> #include <linux/vmalloc.h> -#include <linux/sched.h> #include <linux/unistd.h> #include <linux/string.h> #include <linux/ptrace.h> #include <linux/errno.h> #include <linux/ioport.h> #include <linux/interrupt.h> +#include <linux/capability.h> #include <linux/delay.h> #include <linux/timer.h> #include <linux/init.h> @@ -139,6 +139,7 @@ #include <linux/proc_fs.h> #include <linux/seq_file.h> #include <linux/wait.h> +#include <linux/etherdevice.h> #include <net/checksum.h> #include <net/ipv6.h> #include <net/addrconf.h> @@ -281,8 +282,8 @@ struct pktgen_dev { __u32 src_mac_count; /* How many MACs to iterate through */ __u32 dst_mac_count; /* How many MACs to iterate through */ - unsigned char dst_mac[6]; - unsigned char src_mac[6]; + unsigned char dst_mac[ETH_ALEN]; + unsigned char src_mac[ETH_ALEN]; __u32 cur_dst_mac_offset; __u32 cur_src_mac_offset; @@ -594,16 +595,9 @@ static int pktgen_if_show(struct seq_file *seq, void *v) seq_puts(seq, " src_mac: "); - if ((pkt_dev->src_mac[0] == 0) && - (pkt_dev->src_mac[1] == 0) && - (pkt_dev->src_mac[2] == 0) && - (pkt_dev->src_mac[3] == 0) && - (pkt_dev->src_mac[4] == 0) && - (pkt_dev->src_mac[5] == 0)) - + if (is_zero_ether_addr(pkt_dev->src_mac)) for (i = 0; i < 6; i++) seq_printf(seq, "%02X%s", pkt_dev->odev->dev_addr[i], i == 5 ? " " : ":"); - else for (i = 0; i < 6; i++) seq_printf(seq, "%02X%s", pkt_dev->src_mac[i], i == 5 ? " " : ":"); @@ -1189,9 +1183,9 @@ static ssize_t pktgen_if_write(struct file *file, const char __user *user_buffer } if (!strcmp(name, "dst_mac")) { char *v = valstr; - unsigned char old_dmac[6]; + unsigned char old_dmac[ETH_ALEN]; unsigned char *m = pkt_dev->dst_mac; - memcpy(old_dmac, pkt_dev->dst_mac, 6); + memcpy(old_dmac, pkt_dev->dst_mac, ETH_ALEN); len = strn_len(&user_buffer[i], sizeof(valstr) - 1); if (len < 0) { return len; } @@ -1220,8 +1214,8 @@ static ssize_t pktgen_if_write(struct file *file, const char __user *user_buffer } /* Set up Dest MAC */ - if (memcmp(old_dmac, pkt_dev->dst_mac, 6) != 0) - memcpy(&(pkt_dev->hh[0]), pkt_dev->dst_mac, 6); + if (compare_ether_addr(old_dmac, pkt_dev->dst_mac)) + memcpy(&(pkt_dev->hh[0]), pkt_dev->dst_mac, ETH_ALEN); sprintf(pg_result, "OK: dstmac"); return count; @@ -1560,17 +1554,11 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev) /* Default to the interface's mac if not explicitly set. */ - if ((pkt_dev->src_mac[0] == 0) && - (pkt_dev->src_mac[1] == 0) && - (pkt_dev->src_mac[2] == 0) && - (pkt_dev->src_mac[3] == 0) && - (pkt_dev->src_mac[4] == 0) && - (pkt_dev->src_mac[5] == 0)) { + if (is_zero_ether_addr(pkt_dev->src_mac)) + memcpy(&(pkt_dev->hh[6]), pkt_dev->odev->dev_addr, ETH_ALEN); - memcpy(&(pkt_dev->hh[6]), pkt_dev->odev->dev_addr, 6); - } /* Set up Dest MAC */ - memcpy(&(pkt_dev->hh[0]), pkt_dev->dst_mac, 6); + memcpy(&(pkt_dev->hh[0]), pkt_dev->dst_mac, ETH_ALEN); /* Set up pkt size */ pkt_dev->cur_pkt_size = pkt_dev->min_pkt_size; @@ -1872,13 +1860,14 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev, */ mod_cur_headers(pkt_dev); - skb = alloc_skb(pkt_dev->cur_pkt_size + 64 + 16, GFP_ATOMIC); + datalen = (odev->hard_header_len + 16) & ~0xf; + skb = alloc_skb(pkt_dev->cur_pkt_size + 64 + datalen, GFP_ATOMIC); if (!skb) { sprintf(pkt_dev->result, "No memory"); return NULL; } - skb_reserve(skb, 16); + skb_reserve(skb, datalen); /* Reserve for ethernet and IP header */ eth = (__u8 *) skb_push(skb, 14); |