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Commit 42886ffe authored by David Howells's avatar David Howells
Browse files

rxrpc: Pass sk_buff * rather than rxrpc_host_header * to functions 



Pass a pointer to struct sk_buff rather than struct rxrpc_host_header to
functions so that they can in the future get at transport protocol parameters
rather than just RxRPC parameters.

Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
parent cc8feb8e

net/rxrpc/ar-internal.h

+3 −3
Original line number Diff line number Diff line
@@ -544,7 +544,7 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *, 
					 unsigned long, gfp_t);

struct rxrpc_call *rxrpc_incoming_call(struct rxrpc_sock *,

				       struct rxrpc_connection *,

				       struct rxrpc_host_header *);

				       struct sk_buff *);

void rxrpc_release_call(struct rxrpc_call *);

void rxrpc_release_calls_on_socket(struct rxrpc_sock *);

void __rxrpc_put_call(struct rxrpc_call *);
@@ -574,9 +574,9 @@ int rxrpc_connect_call(struct rxrpc_sock *, struct rxrpc_conn_parameters *, 
void rxrpc_put_connection(struct rxrpc_connection *);

void __exit rxrpc_destroy_all_connections(void);

struct rxrpc_connection *rxrpc_find_connection(struct rxrpc_transport *,

					       struct rxrpc_host_header *);

					       struct sk_buff *);

extern struct rxrpc_connection *

rxrpc_incoming_connection(struct rxrpc_transport *, struct rxrpc_host_header *);

rxrpc_incoming_connection(struct rxrpc_transport *, struct sk_buff *);



static inline bool rxrpc_conn_is_client(const struct rxrpc_connection *conn)

{

net/rxrpc/call_accept.c

+2 −2
Original line number Diff line number Diff line
@@ -110,7 +110,7 @@ static int rxrpc_accept_incoming_call(struct rxrpc_local *local, 
		goto error;

	}



	conn = rxrpc_incoming_connection(trans, &sp->hdr);

	conn = rxrpc_incoming_connection(trans, skb);

	rxrpc_put_transport(trans);

	if (IS_ERR(conn)) {

		_debug("no conn");
@@ -118,7 +118,7 @@ static int rxrpc_accept_incoming_call(struct rxrpc_local *local, 
		goto error;

	}



	call = rxrpc_incoming_call(rx, conn, &sp->hdr);

	call = rxrpc_incoming_call(rx, conn, skb);

	rxrpc_put_connection(conn);

	if (IS_ERR(call)) {

		_debug("no call");

net/rxrpc/call_object.c

+11 −10
Original line number Diff line number Diff line
@@ -421,8 +421,9 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx, 
 */

struct rxrpc_call *rxrpc_incoming_call(struct rxrpc_sock *rx,

				       struct rxrpc_connection *conn,

				       struct rxrpc_host_header *hdr)

				       struct sk_buff *skb)

{

	struct rxrpc_skb_priv *sp = rxrpc_skb(skb);

	struct rxrpc_call *call, *candidate;

	struct rb_node **p, *parent;

	u32 call_id;
@@ -437,9 +438,9 @@ struct rxrpc_call *rxrpc_incoming_call(struct rxrpc_sock *rx, 


	candidate->socket	= rx;

	candidate->conn		= conn;

	candidate->cid = hdr->cid;

	candidate->call_id = hdr->callNumber;

	candidate->channel = hdr->cid & RXRPC_CHANNELMASK;

	candidate->cid		= sp->hdr.cid;

	candidate->call_id	= sp->hdr.callNumber;

	candidate->channel	= sp->hdr.cid & RXRPC_CHANNELMASK;

	candidate->rx_data_post	= 0;

	candidate->state	= RXRPC_CALL_SERVER_ACCEPTING;

	if (conn->security_ix > 0)
@@ -450,7 +451,7 @@ struct rxrpc_call *rxrpc_incoming_call(struct rxrpc_sock *rx, 
	/* set the channel for this call */

	call = conn->channels[candidate->channel];

	_debug("channel[%u] is %p", candidate->channel, call);

	if (call && call->call_id == hdr->callNumber) {

	if (call && call->call_id == sp->hdr.callNumber) {

		/* already set; must've been a duplicate packet */

		_debug("extant call [%d]", call->state);

		ASSERTCMP(call->conn, ==, conn);
@@ -488,7 +489,7 @@ struct rxrpc_call *rxrpc_incoming_call(struct rxrpc_sock *rx, 


	/* check the call number isn't duplicate */

	_debug("check dup");

	call_id = hdr->callNumber;

	call_id = sp->hdr.callNumber;

	p = &conn->calls.rb_node;

	parent = NULL;

	while (*p) {

net/rxrpc/conn_object.c

+25 −24
Original line number Diff line number Diff line
@@ -588,10 +588,10 @@ int rxrpc_connect_call(struct rxrpc_sock *rx, 
 * get a record of an incoming connection

 */

struct rxrpc_connection *

rxrpc_incoming_connection(struct rxrpc_transport *trans,

			  struct rxrpc_host_header *hdr)

rxrpc_incoming_connection(struct rxrpc_transport *trans, struct sk_buff *skb)

{

	struct rxrpc_connection *conn, *candidate = NULL;

	struct rxrpc_skb_priv *sp = rxrpc_skb(skb);

	struct rb_node *p, **pp;

	const char *new = "old";

	__be32 epoch;
@@ -599,10 +599,10 @@ rxrpc_incoming_connection(struct rxrpc_transport *trans, 


	_enter("");



	ASSERT(hdr->flags & RXRPC_CLIENT_INITIATED);

	ASSERT(sp->hdr.flags & RXRPC_CLIENT_INITIATED);



	epoch = hdr->epoch;

	cid = hdr->cid & RXRPC_CIDMASK;

	epoch = sp->hdr.epoch;

	cid = sp->hdr.cid & RXRPC_CIDMASK;



	/* search the connection list first */

	read_lock_bh(&trans->conn_lock);
@@ -636,13 +636,13 @@ rxrpc_incoming_connection(struct rxrpc_transport *trans, 


	candidate->trans		= trans;

	candidate->proto.local		= trans->local;

	candidate->proto.epoch = hdr->epoch;

	candidate->proto.cid = hdr->cid & RXRPC_CIDMASK;

	candidate->proto.epoch		= sp->hdr.epoch;

	candidate->proto.cid		= sp->hdr.cid & RXRPC_CIDMASK;

	candidate->proto.in_clientflag	= RXRPC_CLIENT_INITIATED;

	candidate->params.local		= trans->local;

	candidate->params.peer		= trans->peer;

	candidate->params.service_id = hdr->serviceId;

	candidate->security_ix = hdr->securityIndex;

	candidate->params.service_id	= sp->hdr.serviceId;

	candidate->security_ix		= sp->hdr.securityIndex;

	candidate->out_clientflag	= 0;

	candidate->state		= RXRPC_CONN_SERVER;

	if (candidate->params.service_id)
@@ -691,7 +691,7 @@ rxrpc_incoming_connection(struct rxrpc_transport *trans, 


	/* we found the connection in the list immediately */

found_extant_connection:

	if (hdr->securityIndex != conn->security_ix) {

	if (sp->hdr.securityIndex != conn->security_ix) {

		read_unlock_bh(&trans->conn_lock);

		goto security_mismatch;

	}
@@ -701,7 +701,7 @@ rxrpc_incoming_connection(struct rxrpc_transport *trans, 


	/* we found the connection on the second time through the list */

found_extant_second:

	if (hdr->securityIndex != conn->security_ix) {

	if (sp->hdr.securityIndex != conn->security_ix) {

		write_unlock_bh(&trans->conn_lock);

		goto security_mismatch;

	}
@@ -721,20 +721,21 @@ rxrpc_incoming_connection(struct rxrpc_transport *trans, 
 * packet

 */

struct rxrpc_connection *rxrpc_find_connection(struct rxrpc_transport *trans,

					       struct rxrpc_host_header *hdr)

					       struct sk_buff *skb)

{

	struct rxrpc_connection *conn;

	struct rxrpc_skb_priv *sp = rxrpc_skb(skb);

	struct rb_node *p;

	u32 epoch, cid;



	_enter(",{%x,%x}", hdr->cid, hdr->flags);

	_enter(",{%x,%x}", sp->hdr.cid, sp->hdr.flags);



	read_lock_bh(&trans->conn_lock);



	cid = hdr->cid & RXRPC_CIDMASK;

	epoch = hdr->epoch;

	cid	= sp->hdr.cid & RXRPC_CIDMASK;

	epoch	= sp->hdr.epoch;



	if (hdr->flags & RXRPC_CLIENT_INITIATED)

	if (sp->hdr.flags & RXRPC_CLIENT_INITIATED)

		p = trans->server_conns.rb_node;

	else

		p = trans->client_conns.rb_node;

net/rxrpc/input.c

+3 −4
Original line number Diff line number Diff line
@@ -628,8 +628,7 @@ int rxrpc_extract_header(struct rxrpc_skb_priv *sp, struct sk_buff *skb) 
}



static struct rxrpc_connection *rxrpc_conn_from_local(struct rxrpc_local *local,

					       struct sk_buff *skb,

					       struct rxrpc_skb_priv *sp)

						      struct sk_buff *skb)

{

	struct rxrpc_peer *peer;

	struct rxrpc_transport *trans;
@@ -647,7 +646,7 @@ static struct rxrpc_connection *rxrpc_conn_from_local(struct rxrpc_local *local, 
	if (!trans)

		goto cant_find_conn;



	conn = rxrpc_find_connection(trans, &sp->hdr);

	conn = rxrpc_find_connection(trans, skb);

	rxrpc_put_transport(trans);

	if (!conn)

		goto cant_find_conn;
@@ -739,7 +738,7 @@ void rxrpc_data_ready(struct sock *sk) 
		 * old-fashioned way doesn't really hurt */

		struct rxrpc_connection *conn;



		conn = rxrpc_conn_from_local(local, skb, sp);

		conn = rxrpc_conn_from_local(local, skb);

		if (!conn)

			goto cant_route_call;