X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Fnics%2Fsfc_efx.rst;h=40065284bcad551fffecbac0db76504d8dbad107;hb=0817d41fdb4872aab528c945c2d645bda4a7977e;hp=66daa1d36ac495966febc39564d32775bb86fe0b;hpb=390f9b8d82c9bb02b12efed1a810677082de2687;p=dpdk.git

diff --git a/doc/guides/nics/sfc_efx.rst b/doc/guides/nics/sfc_efx.rst
index 66daa1d36a..40065284bc 100644
--- a/doc/guides/nics/sfc_efx.rst
+++ b/doc/guides/nics/sfc_efx.rst
@@ -201,6 +201,10 @@ Supported actions:
 
 - DROP
 
+- FLAG (supported only with ef10_essb Rx datapath)
+
+- MARK (supported only with ef10_essb Rx datapath)
+
 Validating flow rules depends on the firmware variant.
 
 Ethernet destinaton individual/group match
@@ -236,6 +240,10 @@ Supported NICs
 
    - Solarflare X2522 Dual Port SFP28 10/25GbE Adapter
 
+   - Solarflare X2541 Single Port QSFP28 10/25G/100G Adapter
+
+   - Solarflare X2542 Dual Port QSFP28 10/25G/100G Adapter
+
 - Solarflare Flareon [Ultra] Server Adapters:
 
    - Solarflare SFN8522 Dual Port SFP+ Server Adapter
@@ -314,7 +322,7 @@ boolean parameters value.
   **efx** chooses libefx-based datapath which supports Rx scatter.
   **ef10** chooses EF10 (SFN7xxx, SFN8xxx, X2xxx) native datapath which is
   more efficient than libefx-based and provides richer packet type
-  classification, but lacks Rx scatter support.
+  classification.
   **ef10_esps** chooses SFNX2xxx equal stride packed stream datapath
   which may be used on DPDK firmware variant only
   (see notes about its limitations above).
@@ -329,8 +337,7 @@ boolean parameters value.
   Mbuf segments may come from different mempools, and mbuf reference
   counters are treated responsibly.
   **ef10** chooses EF10 (SFN7xxx, SFN8xxx, X2xxx) native datapath which is
-  more efficient than libefx-based but has no VLAN insertion and TSO
-  support yet.
+  more efficient than libefx-based but has no VLAN insertion support yet.
   Mbuf segments may come from different mempools, and mbuf reference
   counters are treated responsibly.
   **ef10_simple** chooses EF10 (SFN7xxx, SFN8xxx, X2xxx) native datapath which
@@ -354,7 +361,7 @@ boolean parameters value.
   value will select a fixed update period of **1000** milliseconds
 
 - ``fw_variant`` [dont-care|full-feature|ultra-low-latency|
-  capture-packed-stream] (default **dont-care**)
+  capture-packed-stream|dpdk] (default **dont-care**)
 
   Choose the preferred firmware variant to use. In order for the selected
   option to have an effect, the **sfboot** utility must be configured with the
@@ -367,6 +374,22 @@ boolean parameters value.
   **ultra-low-latency** chooses firmware with fewer features but lower latency.
   **capture-packed-stream** chooses firmware for SolarCapture packed stream
   mode.
+  **dpdk** chooses DPDK firmware with equal stride super-buffer Rx mode
+  for higher Rx packet rate and packet marks support and firmware subvariant
+  without checksumming on transmit for higher Tx packet rate if
+  checksumming is not required.
+
+- ``rxd_wait_timeout_ns`` [long] (default **200 us**)
+
+  Adjust timeout in nanoseconds to head-of-line block to wait for
+  Rx descriptors.
+  The accepted range is 0 to 400 ms.
+  Flow control should be enabled to make it work.
+  The value of **0** disables it and packets are dropped immediately.
+  When a packet is dropped because of no Rx descriptors,
+  ``rx_nodesc_drop_cnt`` counter grows.
+  The feature is supported only by the DPDK firmware variant when equal
+  stride super-buffer Rx mode is used.
 
 
 Dynamic Logging Parameters