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net: qrtr: Handle IPCR control port format of older targets

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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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vignesh Viswanathan 2023-07-14 11:28:46 +05:30 committed by David S. Miller
parent f26b32ef2f
commit 69940b888e
1 changed files with 5 additions and 0 deletions
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5
net/qrtr/af_qrtr.c
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@ -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;