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rxrpc: Kill off the rxrpc_transport struct

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The rxrpc_transport struct is now redundant, given that the rxrpc_peer
struct is now per peer port rather than per peer host, so get rid of it.

Service connection lists are transferred to the rxrpc_peer struct, as is
the conn_lock.  Previous patches moved the client connection handling out
of the rxrpc_transport struct and discarded the connection bundling code.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells
2016-06-17 10:06:56 +01:00
parent 999b69f892
commit aa390bbe21
11 changed files with 65 additions and 451 deletions
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46
net/rxrpc/af_rxrpc.c
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@@ -224,37 +224,6 @@ static int rxrpc_listen(struct socket *sock, int backlog)
return ret;
}
/*
* find a transport by address
*/
struct rxrpc_transport *
rxrpc_name_to_transport(struct rxrpc_conn_parameters *cp,
struct sockaddr *addr,
int addr_len,
gfp_t gfp)
{
struct sockaddr_rxrpc *srx = (struct sockaddr_rxrpc *) addr;
struct rxrpc_transport *trans;
_enter("%p,%d", addr, addr_len);
if (cp->local->srx.transport_type != srx->transport_type)
return ERR_PTR(-ESOCKTNOSUPPORT);
if (cp->local->srx.transport.family != srx->transport.family)
return ERR_PTR(-EAFNOSUPPORT);
/* find a remote transport endpoint from the local one */
cp->peer = rxrpc_lookup_peer(cp->local, srx, gfp);
if (!cp->peer)
return ERR_PTR(-ENOMEM);
/* find a transport */
trans = rxrpc_get_transport(cp->local, cp->peer, gfp);
rxrpc_put_peer(cp->peer);
_leave(" = %p", trans);
return trans;
}
/**
* rxrpc_kernel_begin_call - Allow a kernel service to begin a call
* @sock: The socket on which to make the call
@@ -276,7 +245,6 @@ struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *sock,
gfp_t gfp)
{
struct rxrpc_conn_parameters cp;
struct rxrpc_transport *trans;
struct rxrpc_call *call;
struct rxrpc_sock *rx = rxrpc_sk(sock->sk);
int ret;
@@ -300,19 +268,8 @@ struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *sock,
cp.security_level = 0;
cp.exclusive = false;
cp.service_id = srx->srx_service;
call = rxrpc_new_client_call(rx, &cp, srx, user_call_ID, gfp);
trans = rxrpc_name_to_transport(&cp, (struct sockaddr *)srx,
sizeof(*srx), gfp);
if (IS_ERR(trans)) {
call = ERR_CAST(trans);
trans = NULL;
goto out_notrans;
}
cp.peer = trans->peer;
call = rxrpc_new_client_call(rx, &cp, trans, srx, user_call_ID, gfp);
rxrpc_put_transport(trans);
out_notrans:
release_sock(&rx->sk);
_leave(" = %p", call);
return call;
@@ -831,7 +788,6 @@ static void __exit af_rxrpc_exit(void)
proto_unregister(&rxrpc_proto);
rxrpc_destroy_all_calls();
rxrpc_destroy_all_connections();
rxrpc_destroy_all_transports();
ASSERTCMP(atomic_read(&rxrpc_n_skbs), ==, 0);