diff options
| -rw-r--r-- | net/core/pktgen.c | 109 |
1 files changed, 13 insertions, 96 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c index ff79d94b5944..d41d88b53e18 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -449,7 +449,6 @@ static void pktgen_stop(struct pktgen_thread *t); static void pktgen_clear_counters(struct pktgen_dev *pkt_dev); static unsigned int scan_ip6(const char *s, char ip[16]); -static unsigned int fmt_ip6(char *s, const char ip[16]); /* Module parameters, defaults. */ static int pg_count_d __read_mostly = 1000; @@ -556,21 +555,13 @@ static int pktgen_if_show(struct seq_file *seq, void *v) pkt_dev->skb_priority); if (pkt_dev->flags & F_IPV6) { - char b1[128], b2[128], b3[128]; - fmt_ip6(b1, pkt_dev->in6_saddr.s6_addr); - fmt_ip6(b2, pkt_dev->min_in6_saddr.s6_addr); - fmt_ip6(b3, pkt_dev->max_in6_saddr.s6_addr); seq_printf(seq, - " saddr: %s min_saddr: %s max_saddr: %s\n", b1, - b2, b3); - - fmt_ip6(b1, pkt_dev->in6_daddr.s6_addr); - fmt_ip6(b2, pkt_dev->min_in6_daddr.s6_addr); - fmt_ip6(b3, pkt_dev->max_in6_daddr.s6_addr); - seq_printf(seq, - " daddr: %s min_daddr: %s max_daddr: %s\n", b1, - b2, b3); - + " saddr: %pI6c min_saddr: %pI6c max_saddr: %pI6c\n" + " daddr: %pI6c min_daddr: %pI6c max_daddr: %pI6c\n", + &pkt_dev->in6_saddr, + &pkt_dev->min_in6_saddr, &pkt_dev->max_in6_saddr, + &pkt_dev->in6_daddr, + &pkt_dev->min_in6_daddr, &pkt_dev->max_in6_daddr); } else { seq_printf(seq, " dst_min: %s dst_max: %s\n", @@ -706,10 +697,9 @@ static int pktgen_if_show(struct seq_file *seq, void *v) pkt_dev->cur_src_mac_offset); if (pkt_dev->flags & F_IPV6) { - char b1[128], b2[128]; - fmt_ip6(b1, pkt_dev->cur_in6_daddr.s6_addr); - fmt_ip6(b2, pkt_dev->cur_in6_saddr.s6_addr); - seq_printf(seq, " cur_saddr: %s cur_daddr: %s\n", b2, b1); + seq_printf(seq, " cur_saddr: %pI6c cur_daddr: %pI6c\n", + &pkt_dev->cur_in6_saddr, + &pkt_dev->cur_in6_daddr); } else seq_printf(seq, " cur_saddr: 0x%x cur_daddr: 0x%x\n", pkt_dev->cur_saddr, pkt_dev->cur_daddr); @@ -1309,7 +1299,7 @@ static ssize_t pktgen_if_write(struct file *file, buf[len] = 0; scan_ip6(buf, pkt_dev->in6_daddr.s6_addr); - fmt_ip6(buf, pkt_dev->in6_daddr.s6_addr); + snprintf(buf, sizeof(buf), "%pI6c", &pkt_dev->in6_daddr); ipv6_addr_copy(&pkt_dev->cur_in6_daddr, &pkt_dev->in6_daddr); @@ -1332,7 +1322,7 @@ static ssize_t pktgen_if_write(struct file *file, buf[len] = 0; scan_ip6(buf, pkt_dev->min_in6_daddr.s6_addr); - fmt_ip6(buf, pkt_dev->min_in6_daddr.s6_addr); + snprintf(buf, sizeof(buf), "%pI6c", &pkt_dev->min_in6_daddr); ipv6_addr_copy(&pkt_dev->cur_in6_daddr, &pkt_dev->min_in6_daddr); @@ -1355,7 +1345,7 @@ static ssize_t pktgen_if_write(struct file *file, buf[len] = 0; scan_ip6(buf, pkt_dev->max_in6_daddr.s6_addr); - fmt_ip6(buf, pkt_dev->max_in6_daddr.s6_addr); + snprintf(buf, sizeof(buf), "%pI6c", &pkt_dev->max_in6_daddr); if (debug) printk(KERN_DEBUG "pktgen: dst6_max set to: %s\n", buf); @@ -1376,7 +1366,7 @@ static ssize_t pktgen_if_write(struct file *file, buf[len] = 0; scan_ip6(buf, pkt_dev->in6_saddr.s6_addr); - fmt_ip6(buf, pkt_dev->in6_saddr.s6_addr); + snprintf(buf, sizeof(buf), "%pI6c", &pkt_dev->in6_saddr); ipv6_addr_copy(&pkt_dev->cur_in6_saddr, &pkt_dev->in6_saddr); @@ -2898,79 +2888,6 @@ static unsigned int scan_ip6(const char *s, char ip[16]) return len; } -static char tohex(char hexdigit) -{ - return hexdigit > 9 ? hexdigit + 'a' - 10 : hexdigit + '0'; -} - -static int fmt_xlong(char *s, unsigned int i) -{ - char *bak = s; - *s = tohex((i >> 12) & 0xf); - if (s != bak || *s != '0') - ++s; - *s = tohex((i >> 8) & 0xf); - if (s != bak || *s != '0') - ++s; - *s = tohex((i >> 4) & 0xf); - if (s != bak || *s != '0') - ++s; - *s = tohex(i & 0xf); - return s - bak + 1; -} - -static unsigned int fmt_ip6(char *s, const char ip[16]) -{ - unsigned int len; - unsigned int i; - unsigned int temp; - unsigned int compressing; - int j; - - len = 0; - compressing = 0; - for (j = 0; j < 16; j += 2) { - -#ifdef V4MAPPEDPREFIX - if (j == 12 && !memcmp(ip, V4mappedprefix, 12)) { - inet_ntoa_r(*(struct in_addr *)(ip + 12), s); - temp = strlen(s); - return len + temp; - } -#endif - temp = ((unsigned long)(unsigned char)ip[j] << 8) + - (unsigned long)(unsigned char)ip[j + 1]; - if (temp == 0) { - if (!compressing) { - compressing = 1; - if (j == 0) { - *s++ = ':'; - ++len; - } - } - } else { - if (compressing) { - compressing = 0; - *s++ = ':'; - ++len; - } - i = fmt_xlong(s, temp); - len += i; - s += i; - if (j < 14) { - *s++ = ':'; - ++len; - } - } - } - if (compressing) { - *s++ = ':'; - ++len; - } - *s = 0; - return len; -} - static struct sk_buff *fill_packet_ipv6(struct net_device *odev, struct pktgen_dev *pkt_dev) { |