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[PKTGEN]: Replacing with (compare|is_zero)_ether_addr() and ETH_ALEN 

This replaces some tests with is_zero_ether_addr(), memcmp(one, two,
6) with compare_ether_addr(one, two), and 6 with ETH_ALEN where
appropriate.

Signed-off-by: Kris Katterjohn <kjak@users.sourceforge.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Kris Katterjohn 2006-01-17 13:04:57 -08:00 committed by David S. Miller
parent a8fc3d8dec
commit f404e9a67f
1 changed files with 11 additions and 23 deletions
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34
net/core/pktgen.c
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@ -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;