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| author | David Howells <dhowells@redhat.com> | 2016-09-13 09:49:05 +0200 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2016-09-14 00:09:13 +0200 |
| commit | 75b54cb57ca34cbe7a87c6ac757c55360a624590 (patch) | |
| tree | 685c9bb05f02bfda1cce44cad9c71c4a6bc896cd /net/rxrpc/output.c | |
| parent | rxrpc: Use rxrpc_extract_addr_from_skb() rather than doing this manually (diff) | |
| download | linux-75b54cb57ca34cbe7a87c6ac757c55360a624590.tar.xz linux-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 'net/rxrpc/output.c')
| -rw-r--r-- | net/rxrpc/output.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/net/rxrpc/output.c b/net/rxrpc/output.c index ec3621f2c5c8..d7cd87f17f0d 100644 --- a/net/rxrpc/output.c +++ b/net/rxrpc/output.c @@ -258,6 +258,22 @@ send_fragmentable: (char *)&opt, sizeof(opt)); } break; + + case AF_INET6: + opt = IPV6_PMTUDISC_DONT; + ret = kernel_setsockopt(conn->params.local->socket, + SOL_IPV6, IPV6_MTU_DISCOVER, + (char *)&opt, sizeof(opt)); + if (ret == 0) { + ret = kernel_sendmsg(conn->params.local->socket, &msg, + iov, 1, iov[0].iov_len); + + opt = IPV6_PMTUDISC_DO; + kernel_setsockopt(conn->params.local->socket, + SOL_IPV6, IPV6_MTU_DISCOVER, + (char *)&opt, sizeof(opt)); + } + break; } up_write(&conn->params.local->defrag_sem); |