diff options
| author |   Subash Abhinov Kasiviswanathan <subashab@codeaurora.org> | 2018-06-04 19:26:07 -0600 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-06-05 10:16:25 -0400 |
| commit | 9deb441c113ae9e761e42f78d90736d762ff49a3 (patch) | |
| tree | 17ba4e3b0050f94a55f7ed91486261a2ce4e1ddc | |
| parent | tcp: refactor tcp_ecn_check_ce to remove sk type cast (diff) | |
| download | linux-dev-9deb441c113ae9e761e42f78d90736d762ff49a3.tar.xz linux-dev-9deb441c113ae9e761e42f78d90736d762ff49a3.zip | |
net: ipv6: Generate random IID for addresses on RAWIP devices
RAWIP devices such as rmnet do not have a hardware address and
instead require the kernel to generate a random IID for the
IPv6 addresses.
Signed-off-by: Sean Tranchetti <stranche@codeaurora.org>
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c | 4 | ||||
| -rw-r--r-- | net/ipv6/addrconf.c | 4 |
2 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c index cb02e1a015c1..b9a7548ec6a0 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c @@ -221,6 +221,10 @@ void rmnet_vnd_setup(struct net_device *rmnet_dev) rmnet_dev->needs_free_netdev = true; rmnet_dev->ethtool_ops = &rmnet_ethtool_ops; + + /* This perm addr will be used as interface identifier by IPv6 */ + rmnet_dev->addr_assign_type = NET_ADDR_RANDOM; + eth_random_addr(rmnet_dev->perm_addr); } /* Exposed API */ diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index f09afc232da4..5596d87952d4 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -2251,6 +2251,7 @@ static int ipv6_generate_eui64(u8 *eui, struct net_device *dev) return addrconf_ifid_ieee1394(eui, dev); case ARPHRD_TUNNEL6: case ARPHRD_IP6GRE: + case ARPHRD_RAWIP: return addrconf_ifid_ip6tnl(eui, dev); } return -1; @@ -3286,7 +3287,8 @@ static void addrconf_dev_config(struct net_device *dev) (dev->type != ARPHRD_IP6GRE) && (dev->type != ARPHRD_IPGRE) && (dev->type != ARPHRD_TUNNEL) && - (dev->type != ARPHRD_NONE)) { + (dev->type != ARPHRD_NONE) && + (dev->type != ARPHRD_RAWIP)) { /* Alas, we support only Ethernet autoconfiguration. */ return; } |