diff options
author | Amerigo Wang <amwang@redhat.com> | 2012-10-09 17:48:20 +0000 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2012-10-10 22:33:30 -0400 |
commit | c468fb1375f1b4de851e3e0dbe9d1293d414a160 (patch) | |
tree | 3cba4fd06f4ad6967663fd46dabcc397afc58c4a /net/core | |
parent | 4c139b8ccebaecdfad58eb068d61ef386f1a58ed (diff) | |
download | linux-c468fb1375f1b4de851e3e0dbe9d1293d414a160.tar.bz2 |
pktgen: replace scan_ip6() with in6_pton()
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
-rw-r--r-- | net/core/pktgen.c | 101 |
1 files changed, 4 insertions, 97 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 47fe18e6a8e4..d1dc14c2aac4 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -449,8 +449,6 @@ static void pktgen_stop_all_threads_ifs(void); 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]); - /* Module parameters, defaults. */ static int pg_count_d __read_mostly = 1000; static int pg_delay_d __read_mostly; @@ -1299,7 +1297,7 @@ static ssize_t pktgen_if_write(struct file *file, return -EFAULT; buf[len] = 0; - scan_ip6(buf, pkt_dev->in6_daddr.s6_addr); + in6_pton(buf, -1, pkt_dev->in6_daddr.s6_addr, -1, NULL); snprintf(buf, sizeof(buf), "%pI6c", &pkt_dev->in6_daddr); pkt_dev->cur_in6_daddr = pkt_dev->in6_daddr; @@ -1322,7 +1320,7 @@ static ssize_t pktgen_if_write(struct file *file, return -EFAULT; buf[len] = 0; - scan_ip6(buf, pkt_dev->min_in6_daddr.s6_addr); + in6_pton(buf, -1, pkt_dev->min_in6_daddr.s6_addr, -1, NULL); snprintf(buf, sizeof(buf), "%pI6c", &pkt_dev->min_in6_daddr); pkt_dev->cur_in6_daddr = pkt_dev->min_in6_daddr; @@ -1344,7 +1342,7 @@ static ssize_t pktgen_if_write(struct file *file, return -EFAULT; buf[len] = 0; - scan_ip6(buf, pkt_dev->max_in6_daddr.s6_addr); + in6_pton(buf, -1, pkt_dev->max_in6_daddr.s6_addr, -1, NULL); snprintf(buf, sizeof(buf), "%pI6c", &pkt_dev->max_in6_daddr); if (debug) @@ -1365,7 +1363,7 @@ static ssize_t pktgen_if_write(struct file *file, return -EFAULT; buf[len] = 0; - scan_ip6(buf, pkt_dev->in6_saddr.s6_addr); + in6_pton(buf, -1, pkt_dev->in6_saddr.s6_addr, -1, NULL); snprintf(buf, sizeof(buf), "%pI6c", &pkt_dev->in6_saddr); pkt_dev->cur_in6_saddr = pkt_dev->in6_saddr; @@ -2765,97 +2763,6 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev, return skb; } -/* - * scan_ip6, fmt_ip taken from dietlibc-0.21 - * Author Felix von Leitner <felix-dietlibc@fefe.de> - * - * Slightly modified for kernel. - * Should be candidate for net/ipv4/utils.c - * --ro - */ - -static unsigned int scan_ip6(const char *s, char ip[16]) -{ - unsigned int i; - unsigned int len = 0; - unsigned long u; - char suffix[16]; - unsigned int prefixlen = 0; - unsigned int suffixlen = 0; - __be32 tmp; - char *pos; - - for (i = 0; i < 16; i++) - ip[i] = 0; - - for (;;) { - if (*s == ':') { - len++; - if (s[1] == ':') { /* Found "::", skip to part 2 */ - s += 2; - len++; - break; - } - s++; - } - - u = simple_strtoul(s, &pos, 16); - i = pos - s; - if (!i) - return 0; - if (prefixlen == 12 && s[i] == '.') { - - /* the last 4 bytes may be written as IPv4 address */ - - tmp = in_aton(s); - memcpy((struct in_addr *)(ip + 12), &tmp, sizeof(tmp)); - return i + len; - } - ip[prefixlen++] = (u >> 8); - ip[prefixlen++] = (u & 255); - s += i; - len += i; - if (prefixlen == 16) - return len; - } - -/* part 2, after "::" */ - for (;;) { - if (*s == ':') { - if (suffixlen == 0) - break; - s++; - len++; - } else if (suffixlen != 0) - break; - - u = simple_strtol(s, &pos, 16); - i = pos - s; - if (!i) { - if (*s) - len--; - break; - } - if (suffixlen + prefixlen <= 12 && s[i] == '.') { - tmp = in_aton(s); - memcpy((struct in_addr *)(suffix + suffixlen), &tmp, - sizeof(tmp)); - suffixlen += 4; - len += strlen(s); - break; - } - suffix[suffixlen++] = (u >> 8); - suffix[suffixlen++] = (u & 255); - s += i; - len += i; - if (prefixlen + suffixlen == 16) - break; - } - for (i = 0; i < suffixlen; i++) - ip[16 - suffixlen + i] = suffix[i]; - return len; -} - static struct sk_buff *fill_packet_ipv6(struct net_device *odev, struct pktgen_dev *pkt_dev) { |