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authorDavid Howells <dhowells@redhat.com>2016-09-13 08:49:05 +0100
committerDavid Howells <dhowells@redhat.com>2016-09-13 23:09:13 +0100
commit75b54cb57ca34cbe7a87c6ac757c55360a624590 (patch)
tree685c9bb05f02bfda1cce44cad9c71c4a6bc896cd /net/rxrpc/af_rxrpc.c
parentrxrpc: Use rxrpc_extract_addr_from_skb() rather than doing this manually (diff)
downloadlinux-dev-75b54cb57ca34cbe7a87c6ac757c55360a624590.tar.xz
linux-dev-75b54cb57ca34cbe7a87c6ac757c55360a624590.zip
rxrpc: Add IPv6 support
Add IPv6 support to AF_RXRPC. With this, AF_RXRPC sockets can be created: service = socket(AF_RXRPC, SOCK_DGRAM, PF_INET6); instead of: service = socket(AF_RXRPC, SOCK_DGRAM, PF_INET); The AFS filesystem doesn't support IPv6 at the moment, though, since that requires upgrades to some of the RPC calls. Note that a good portion of this patch is replacing "%pI4:%u" in print statements with "%pISpc" which is able to handle both protocols and print the port. Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to '')
-rw-r--r--net/rxrpc/af_rxrpc.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
index 741b0d8d2e8c..f61f7b2d1ca4 100644
--- a/net/rxrpc/af_rxrpc.c
+++ b/net/rxrpc/af_rxrpc.c
@@ -106,19 +106,23 @@ static int rxrpc_validate_address(struct rxrpc_sock *rx,
case AF_INET:
if (srx->transport_len < sizeof(struct sockaddr_in))
return -EINVAL;
- _debug("INET: %x @ %pI4",
- ntohs(srx->transport.sin.sin_port),
- &srx->transport.sin.sin_addr);
tail = offsetof(struct sockaddr_rxrpc, transport.sin.__pad);
break;
case AF_INET6:
+ if (srx->transport_len < sizeof(struct sockaddr_in6))
+ return -EINVAL;
+ tail = offsetof(struct sockaddr_rxrpc, transport) +
+ sizeof(struct sockaddr_in6);
+ break;
+
default:
return -EAFNOSUPPORT;
}
if (tail < len)
memset((void *)srx + tail, 0, len - tail);
+ _debug("INET: %pISp", &srx->transport);
return 0;
}
@@ -409,6 +413,9 @@ static int rxrpc_sendmsg(struct socket *sock, struct msghdr *m, size_t len)
case AF_INET:
rx->srx.transport_len = sizeof(struct sockaddr_in);
break;
+ case AF_INET6:
+ rx->srx.transport_len = sizeof(struct sockaddr_in6);
+ break;
default:
ret = -EAFNOSUPPORT;
goto error_unlock;
@@ -563,7 +570,7 @@ static int rxrpc_create(struct net *net, struct socket *sock, int protocol,
return -EAFNOSUPPORT;
/* we support transport protocol UDP/UDP6 only */
- if (protocol != PF_INET)
+ if (protocol != PF_INET && protocol != PF_INET6)
return -EPROTONOSUPPORT;
if (sock->type != SOCK_DGRAM)