author | Danek Duvall <danek.duvall@oracle.com> |
Thu, 19 Mar 2015 14:41:20 -0700 | |
changeset 3998 | 5bd484384122 |
permissions | -rw-r--r-- |
3998
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PSARC 2015/110 OpenStack service updates for Juno
Danek Duvall <danek.duvall@oracle.com>
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Solaris doesn't have an easy way to retrieve the MAC address of the client |
5bd484384122
PSARC 2015/110 OpenStack service updates for Juno
Danek Duvall <danek.duvall@oracle.com>
parents:
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that is soliciting the DHCPv6 IP address. This fix uses a simple way to |
5bd484384122
PSARC 2015/110 OpenStack service updates for Juno
Danek Duvall <danek.duvall@oracle.com>
parents:
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retrieve the client MAC address from the client's EUI64 link-local address. |
5bd484384122
PSARC 2015/110 OpenStack service updates for Juno
Danek Duvall <danek.duvall@oracle.com>
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*** dnsmasq-2.68/src/dhcp6.c 2013-12-08 07:58:29.000000000 -0800 |
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--- NEW/src/dhcp6.c 2015-02-23 18:33:30.937299563 -0800 |
5bd484384122
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*************** |
5bd484384122
PSARC 2015/110 OpenStack service updates for Juno
Danek Duvall <danek.duvall@oracle.com>
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*** 231,236 **** |
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Danek Duvall <danek.duvall@oracle.com>
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--- 231,253 ---- |
5bd484384122
PSARC 2015/110 OpenStack service updates for Juno
Danek Duvall <danek.duvall@oracle.com>
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5bd484384122
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Danek Duvall <danek.duvall@oracle.com>
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void get_client_mac(struct in6_addr *client, int iface, unsigned char *mac, unsigned int *maclenp, unsigned int *mactypep) |
5bd484384122
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Danek Duvall <danek.duvall@oracle.com>
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{ |
5bd484384122
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+ #ifdef HAVE_SOLARIS_NETWORK |
5bd484384122
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Danek Duvall <danek.duvall@oracle.com>
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+ /* Solaris does not have an easy way to retrieve MAC address for a given IPv6 address from the kernel. |
5bd484384122
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Danek Duvall <danek.duvall@oracle.com>
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+ For now the following workaround should work for OpenStack's needs. */ |
5bd484384122
PSARC 2015/110 OpenStack service updates for Juno
Danek Duvall <danek.duvall@oracle.com>
parents:
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+ uint8_t *addr6; |
5bd484384122
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Danek Duvall <danek.duvall@oracle.com>
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+ |
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Danek Duvall <danek.duvall@oracle.com>
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+ *maclenp = ETHER_ADDR_LEN; |
5bd484384122
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+ *mactypep = ARPHRD_ETHER; |
5bd484384122
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+ /* Take the EUI64 based client's link-local address and convert it to client's MAC address. |
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Danek Duvall <danek.duvall@oracle.com>
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+ For example: from fe80::f816:3eff:fe5c:df43 link-local address we arrive at fa:16:3e:5c:df:43 */ |
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+ addr6 = client->s6_addr; |
5bd484384122
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+ mac[0] = addr6[8] ^ 0x2; |
5bd484384122
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+ mac[1] = addr6[9]; |
5bd484384122
PSARC 2015/110 OpenStack service updates for Juno
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+ mac[2] = addr6[10]; |
5bd484384122
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Danek Duvall <danek.duvall@oracle.com>
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+ mac[3] = addr6[13]; |
5bd484384122
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+ mac[4] = addr6[14]; |
5bd484384122
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Danek Duvall <danek.duvall@oracle.com>
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+ mac[5]= addr6[15]; |
5bd484384122
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+ #else |
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/* Recieving a packet from a host does not populate the neighbour |
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cache, so we send a neighbour discovery request if we can't |
5bd484384122
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Danek Duvall <danek.duvall@oracle.com>
parents:
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find the sender. Repeat a few times in case of packet loss. */ |
5bd484384122
PSARC 2015/110 OpenStack service updates for Juno
Danek Duvall <danek.duvall@oracle.com>
parents:
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*************** |
5bd484384122
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Danek Duvall <danek.duvall@oracle.com>
parents:
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*** 276,281 **** |
5bd484384122
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Danek Duvall <danek.duvall@oracle.com>
parents:
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--- 293,299 ---- |
5bd484384122
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Danek Duvall <danek.duvall@oracle.com>
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*maclenp = mac_param.maclen; |
5bd484384122
PSARC 2015/110 OpenStack service updates for Juno
Danek Duvall <danek.duvall@oracle.com>
parents:
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*mactypep = ARPHRD_ETHER; |
5bd484384122
PSARC 2015/110 OpenStack service updates for Juno
Danek Duvall <danek.duvall@oracle.com>
parents:
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+ #endif /* HAVE_SOLARIS_NETWORK */ |
5bd484384122
PSARC 2015/110 OpenStack service updates for Juno
Danek Duvall <danek.duvall@oracle.com>
parents:
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} |
5bd484384122
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Danek Duvall <danek.duvall@oracle.com>
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5bd484384122
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Danek Duvall <danek.duvall@oracle.com>
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static int find_mac(int family, char *addrp, char *mac, size_t maclen, void *parmv) |