Update GH man pages

Signed-off-by: OFIWG Bot <ofiwg@lists.openfabrics.org>

main/man/fi_efa.7.md

@@ -84,7 +84,14 @@ No support for counters for the DGRAM endpoint.
 
 No support for inject.
 
-No support for `fi_cancel()` for the [zero-copy receive mode](https://github.com/ofiwg/libfabric/blob/main/prov/efa/docs/efa_rdm_protocol_v4.md#48-user-receive-qp-feature--request-and-zero-copy-receive).
+## [zero-copy receive mode](../prov/efa/docs/efa_rdm_protocol_v4.md#48-user-receive-qp-feature--request-and-zero-copy-receive)
+- The receive operation cannot be cancelled via `fi_cancel()`.
+- Zero-copy receive mode can be enabled only if SHM transfer is disabled.
+- Unless the application explicitly disables P2P, e.g. via FI_HMEM_P2P_DISABLED,
+  zero-copy receive can be enabled only if available FI_HMEM devices all have
+  P2P support.
+
+
 
 When using FI_HMEM for AWS Neuron or Habana SynapseAI buffers, the provider
 requires peer to peer transaction support between the EFA and the FI_HMEM