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| author | Gregory Nutt <gnutt@nuttx.org> | 2015-02-06 08:11:09 -0600 |
|---|---|---|
| committer | Gregory Nutt <gnutt@nuttx.org> | 2015-02-06 08:11:09 -0600 |
| commit | 0de29b3390820fe5320d580e47765e21f489395d (patch) | |
| tree | 502e448be45e3a2ee10fdf4af25a202c25f98527 /nuttx/include | |
| parent | 1986e064064ad52c29d40e7d7f37ff8e80045e2a (diff) | |
| download | px4-nuttx-0de29b3390820fe5320d580e47765e21f489395d.tar.gz px4-nuttx-0de29b3390820fe5320d580e47765e21f489395d.tar.bz2 px4-nuttx-0de29b3390820fe5320d580e47765e21f489395d.zip | |
IPv6: Separate function that converts prefix lengths to a netmask
Diffstat (limited to 'nuttx/include')
| -rw-r--r-- | nuttx/include/nuttx/net/ip.h | 39 |
1 files changed, 24 insertions, 15 deletions
diff --git a/nuttx/include/nuttx/net/ip.h b/nuttx/include/nuttx/net/ip.h index fa2b57722..897eb80c7 100644 --- a/nuttx/include/nuttx/net/ip.h +++ b/nuttx/include/nuttx/net/ip.h @@ -365,28 +365,37 @@ EXTERN const net_ipv6addr_t g_ipv6_llnetmask; /* Netmask for local link addres net_ipv6addr_cmp(addr1, addr2) #endif -/* Compare two IP addresses under a netmask. The mask is used to mask - * out the bits that are to be compared: Buts within the mask much - * match exactly; bits outside if the mask are ignored. +/**************************************************************************** + * Function: net_ipv4addr_maskcmp and net_ipv6addr_maskcmp * - * Example: + * Description: + * Compare two IP addresses under a netmask. The mask is used to mask + * out the bits that are to be compared: Buts within the mask much + * match exactly; bits outside if the mask are ignored. * - * in_addr_t ipaddr1; - * in_addr_t ipaddr2; - * in_addr_t mask; + * IPv4 Example: * - * net_ipaddr(&mask, 255,255,255,0); - * net_ipaddr(&ipaddr1, 192,16,1,2); - * net_ipaddr(&ipaddr2, 192,16,1,3); - * if (net_ipv4addr_maskcmp(ipaddr1, ipaddr2, &mask)) + * net_ipv6addr_t ipaddr1; + * net_ipv6addr_t ipaddr2; + * net_ipv6addr_t mask; + * + * net_ipv6addr(&mask, 255,255,255,0); + * net_ipv6addr(&ipaddr1, 192,16,1,2); + * net_iv6paddr(&ipaddr2, 192,16,1,3); + * if (net_ipv6addr_maskcmp(ipaddr1, ipaddr2, &mask)) * { * printf("They are the same"); * } * - * addr1 The first IP address. - * addr2 The second IP address. - * mask The netmask. - */ + * Parameters: + * addr1 - The first IP address. + * addr2 - The second IP address. + * mask - The netmask. + * + * Returned Value: + * True if the address under the mask are equal + * + ****************************************************************************/ #ifdef CONFIG_NET_IPv4 # define net_ipv4addr_maskcmp(addr1, addr2, mask) \ |