diff mbox series

[net-next,3/3] net: qrtr: Handle IPCR control port format of older targets

Message ID 20230712112631.3461793-4-quic_viswanat@quicinc.com
State New
Headers
Series net: qrtr: Few fixes in QRTR |

Commit Message

Vignesh Viswanathan July 12, 2023, 11:26 a.m. UTC 
  The destination port value in the IPCR control buffer on older
targets is 0xFFFF. Handle the same by updating the dst_port to
QRTR_PORT_CTRL.

Signed-off-by: Vignesh Viswanathan <quic_viswanat@quicinc.com>
---
 net/qrtr/af_qrtr.c | 5 +++++
 1 file changed, 5 insertions(+)

Comments

Simon Horman July 13, 2023, 2:56 p.m. UTC | #1 
On Wed, Jul 12, 2023 at 04:56:31PM +0530, Vignesh Viswanathan wrote:
> The destination port value in the IPCR control buffer on older
> targets is 0xFFFF. Handle the same by updating the dst_port to
> QRTR_PORT_CTRL.
> 
> Signed-off-by: Vignesh Viswanathan <quic_viswanat@quicinc.com>

Reviewed-by: Simon Horman <simon.horman@corigine.com>
diff mbox series

Patch

diff --git a/net/qrtr/af_qrtr.c b/net/qrtr/af_qrtr.c
index 78beb74146e7..41ece61eb57a 100644
--- a/net/qrtr/af_qrtr.c
+++ b/net/qrtr/af_qrtr.c
@@ -23,6 +23,8 @@ 
 #define QRTR_EPH_PORT_RANGE \
 		XA_LIMIT(QRTR_MIN_EPH_SOCKET, QRTR_MAX_EPH_SOCKET)
 
+#define QRTR_PORT_CTRL_LEGACY 0xffff
+
 /**
  * struct qrtr_hdr_v1 - (I|R)PCrouter packet header version 1
  * @version: protocol version
@@ -495,6 +497,9 @@  int qrtr_endpoint_post(struct qrtr_endpoint *ep, const void *data, size_t len)
 		goto err;
 	}
 
+	if (cb->dst_port == QRTR_PORT_CTRL_LEGACY)
+		cb->dst_port = QRTR_PORT_CTRL;
+
 	if (!size || len != ALIGN(size, 4) + hdrlen)
 		goto err;