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Registered in England and Wales under Company Registration No. 3798903 Subject: [PATCH net-next 04/32] rxrpc: Separate call retransmission from other conn events From: David Howells To: netdev@vger.kernel.org Cc: Marc Dionne , linux-afs@lists.infradead.org, dhowells@redhat.com, linux-afs@lists.infradead.org, linux-kernel@vger.kernel.org Date: Tue, 06 Dec 2022 15:59:10 +0000 Message-ID: <167034235013.1105287.17719162958503710373.stgit@warthog.procyon.org.uk> In-Reply-To: <167034231605.1105287.1693064952174322878.stgit@warthog.procyon.org.uk> References: <167034231605.1105287.1693064952174322878.stgit@warthog.procyon.org.uk> User-Agent: StGit/1.5 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Call the rxrpc_conn_retransmit_call() directly from rxrpc_input_packet() rather than calling it via connection event handling. Signed-off-by: David Howells cc: Marc Dionne cc: linux-afs@lists.infradead.org --- net/rxrpc/ar-internal.h | 2 ++ net/rxrpc/conn_event.c | 34 +++++----------------------------- net/rxrpc/io_thread.c | 2 +- 3 files changed, 8 insertions(+), 30 deletions(-) diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h index e7dccab7b741..cb227b85aae1 100644 --- a/net/rxrpc/ar-internal.h +++ b/net/rxrpc/ar-internal.h @@ -895,6 +895,8 @@ void rxrpc_clean_up_local_conns(struct rxrpc_local *); /* * conn_event.c */ +void rxrpc_conn_retransmit_call(struct rxrpc_connection *, struct sk_buff = *, + unsigned int); void rxrpc_process_connection(struct work_struct *); void rxrpc_process_delayed_final_acks(struct rxrpc_connection *, bool); int rxrpc_input_conn_packet(struct rxrpc_connection *conn, struct sk_buff = *skb); diff --git a/net/rxrpc/conn_event.c b/net/rxrpc/conn_event.c index 480364bcbf85..dfd29882126f 100644 --- a/net/rxrpc/conn_event.c +++ b/net/rxrpc/conn_event.c @@ -19,9 +19,9 @@ /* * Retransmit terminal ACK or ABORT of the previous call. */ -static void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn, - struct sk_buff *skb, - unsigned int channel) +void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn, + struct sk_buff *skb, + unsigned int channel) { struct rxrpc_skb_priv *sp =3D skb ? rxrpc_skb(skb) : NULL; struct rxrpc_channel *chan; @@ -292,24 +292,6 @@ static int rxrpc_process_event(struct rxrpc_connection= *conn, _enter("{%d},{%u,%%%u},", conn->debug_id, sp->hdr.type, sp->hdr.serial); =20 switch (sp->hdr.type) { - case RXRPC_PACKET_TYPE_DATA: - case RXRPC_PACKET_TYPE_ACK: - rxrpc_conn_retransmit_call(conn, skb, - sp->hdr.cid & RXRPC_CHANNELMASK); - return 0; - - case RXRPC_PACKET_TYPE_BUSY: - /* Just ignore BUSY packets for now. */ - return 0; - - case RXRPC_PACKET_TYPE_ABORT: - conn->error =3D -ECONNABORTED; - conn->abort_code =3D skb->priority; - conn->state =3D RXRPC_CONN_REMOTELY_ABORTED; - set_bit(RXRPC_CONN_DONT_REUSE, &conn->flags); - rxrpc_abort_calls(conn, RXRPC_CALL_REMOTELY_ABORTED, sp->hdr.serial); - return -ECONNABORTED; - case RXRPC_PACKET_TYPE_CHALLENGE: return conn->security->respond_to_challenge(conn, skb, _abort_code); @@ -504,18 +486,12 @@ int rxrpc_input_conn_packet(struct rxrpc_connection *= conn, struct sk_buff *skb) =20 if (conn->state >=3D RXRPC_CONN_REMOTELY_ABORTED) { _leave(" =3D -ECONNABORTED [%u]", conn->state); - return -ECONNABORTED; + return 0; } =20 _enter("{%d},{%u,%%%u},", conn->debug_id, sp->hdr.type, sp->hdr.serial); =20 switch (sp->hdr.type) { - case RXRPC_PACKET_TYPE_DATA: - case RXRPC_PACKET_TYPE_ACK: - rxrpc_conn_retransmit_call(conn, skb, - sp->hdr.cid & RXRPC_CHANNELMASK); - return 0; - case RXRPC_PACKET_TYPE_BUSY: /* Just ignore BUSY packets for now. */ return 0; @@ -526,7 +502,7 @@ int rxrpc_input_conn_packet(struct rxrpc_connection *co= nn, struct sk_buff *skb) conn->state =3D RXRPC_CONN_REMOTELY_ABORTED; set_bit(RXRPC_CONN_DONT_REUSE, &conn->flags); rxrpc_abort_calls(conn, RXRPC_CALL_REMOTELY_ABORTED, sp->hdr.serial); - return -ECONNABORTED; + return 0; =20 case RXRPC_PACKET_TYPE_CHALLENGE: case RXRPC_PACKET_TYPE_RESPONSE: diff --git a/net/rxrpc/io_thread.c b/net/rxrpc/io_thread.c index d83ae3193032..c0751ff3712b 100644 --- a/net/rxrpc/io_thread.c +++ b/net/rxrpc/io_thread.c @@ -358,7 +358,7 @@ static int rxrpc_input_packet_on_conn(struct rxrpc_conn= ection *conn, sp->hdr.seq, sp->hdr.serial, sp->hdr.flags); - rxrpc_input_conn_packet(conn, skb); + rxrpc_conn_retransmit_call(conn, skb, channel); return 0; }