net/sfc: add unknown unicast/multicast match in flow API

[dpdk.git] / doc / guides / nics / sfc_efx.rst

diff --git a/doc/guides/nics/sfc_efx.rst b/doc/guides/nics/sfc_efx.rst
index 4d91b1d..8229d7d 100644 (file)
--- a/doc/guides/nics/sfc_efx.rst
+++ b/doc/guides/nics/sfc_efx.rst
@@ -127,7 +127,8 @@ Supported pattern items:
 
 - VOID
 
-- ETH (exact match of source/destination addresses, EtherType)
+- ETH (exact match of source/destination addresses, individual/group match
+  of destination address, EtherType)
 
 - VLAN (exact match of VID, double-tagging is supported)
 
@@ -149,6 +150,14 @@ Supported actions:
 
 Validating flow rules depends on the firmware variant.
 
+Ethernet destinaton individual/group match
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Ethernet item supports I/G matching, if only the corresponding bit is set
+in the mask of destination address. If destinaton address in the spec is
+multicast, it matches all multicast (and broadcast) packets, oherwise it
+matches unicast packets that are not filtered by other flow rules.
+
 
 Supported NICs
 --------------