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vcl session: enforce full dgram reads/writes
[vpp.git]
/
src
/
vcl
/
vcl_private.c
diff --git
a/src/vcl/vcl_private.c
b/src/vcl/vcl_private.c
index
14582ce
..
300b82c
100644
(file)
--- a/
src/vcl/vcl_private.c
+++ b/
src/vcl/vcl_private.c
@@
-390,6
+390,15
@@
vcl_session_write_ready (vcl_session_t * session)
if (vcl_session_is_ct (session))
return svm_fifo_max_enqueue_prod (session->ct_tx_fifo);
if (vcl_session_is_ct (session))
return svm_fifo_max_enqueue_prod (session->ct_tx_fifo);
+ if (session->is_dgram)
+ {
+ u32 max_enq = svm_fifo_max_enqueue_prod (session->tx_fifo);
+
+ if (max_enq <= sizeof (session_dgram_hdr_t))
+ return 0;
+ return max_enq - sizeof (session_dgram_hdr_t);
+ }
+
return svm_fifo_max_enqueue_prod (session->tx_fifo);
}
return svm_fifo_max_enqueue_prod (session->tx_fifo);
}