diff options
| -rw-r--r-- | include/net/ip_vs.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h index 5d6313d972f..0400e590b6a 100644 --- a/include/net/ip_vs.h +++ b/include/net/ip_vs.h @@ -78,6 +78,46 @@ static inline int ip_vs_addr_equal(int af, const union nf_inet_addr *a, #include <linux/net.h> extern int ip_vs_get_debug_level(void); + +static inline const char *ip_vs_dbg_addr(int af, char *buf, size_t buf_len, + const union nf_inet_addr *addr, + int *idx) +{ + int len; +#ifdef CONFIG_IP_VS_IPV6 + if (af == AF_INET6) + len = snprintf(&buf[*idx], buf_len - *idx, "[" NIP6_FMT "]", + NIP6(addr->in6)) + 1; + else +#endif + len = snprintf(&buf[*idx], buf_len - *idx, NIPQUAD_FMT, + NIPQUAD(addr->ip)) + 1; + + *idx += len; + BUG_ON(*idx > buf_len + 1); + return &buf[*idx - len]; +} + +#define IP_VS_DBG_BUF(level, msg...) \ + do { \ + char ip_vs_dbg_buf[160]; \ + int ip_vs_dbg_idx = 0; \ + if (level <= ip_vs_get_debug_level()) \ + printk(KERN_DEBUG "IPVS: " msg); \ + } while (0) +#define IP_VS_ERR_BUF(msg...) \ + do { \ + char ip_vs_dbg_buf[160]; \ + int ip_vs_dbg_idx = 0; \ + printk(KERN_ERR "IPVS: " msg); \ + } while (0) + +/* Only use from within IP_VS_DBG_BUF() or IP_VS_ERR_BUF macros */ +#define IP_VS_DBG_ADDR(af, addr) \ + ip_vs_dbg_addr(af, ip_vs_dbg_buf, \ + sizeof(ip_vs_dbg_buf), addr, \ + &ip_vs_dbg_idx) + #define IP_VS_DBG(level, msg...) \ do { \ if (level <= ip_vs_get_debug_level()) \ @@ -100,6 +140,8 @@ extern int ip_vs_get_debug_level(void); pp->debug_packet(pp, skb, ofs, msg); \ } while (0) #else /* NO DEBUGGING at ALL */ +#define IP_VS_DBG_BUF(level, msg...) do {} while (0) +#define IP_VS_ERR_BUF(msg...) do {} while (0) #define IP_VS_DBG(level, msg...) do {} while (0) #define IP_VS_DBG_RL(msg...) do {} while (0) #define IP_VS_DBG_PKT(level, pp, skb, ofs, msg) do {} while (0) |