netdev - [PATCH v2 net] ionic: update documentation for XDP support

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Message-ID: <20240319163534.38796-1-shannon.nelson@amd.com>
Date: Tue, 19 Mar 2024 09:35:34 -0700
From: Shannon Nelson <shannon.nelson@....com>
To: <netdev@...r.kernel.org>, <davem@...emloft.net>, <kuba@...nel.org>,
	<edumazet@...gle.com>, <pabeni@...hat.com>, <corbet@....net>
CC: <bagasdotme@...il.com>, <linux-doc@...r.kernel.org>,
	<brett.creeley@....com>, <drivers@...sando.io>, Shannon Nelson
	<shannon.nelson@....com>
Subject: [PATCH v2 net] ionic: update documentation for XDP support

Add information to our documentation for the XDP features
and related ethtool stats.

While we're here, we also add the missing timestamp stats.

Signed-off-by: Shannon Nelson <shannon.nelson@....com>
---
v2: fixed missing word "support"

v1:
https://lore.kernel.org/netdev/20240318235331.71161-1-shannon.nelson@amd.com

 .../ethernet/pensando/ionic.rst               | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/Documentation/networking/device_drivers/ethernet/pensando/ionic.rst b/Documentation/networking/device_drivers/ethernet/pensando/ionic.rst
index 6ec7d686efab..05fe2b11bb18 100644
--- a/Documentation/networking/device_drivers/ethernet/pensando/ionic.rst
+++ b/Documentation/networking/device_drivers/ethernet/pensando/ionic.rst
@@ -99,6 +99,12 @@ Minimal SR-IOV support is currently offered and can be enabled by setting
 the sysfs 'sriov_numvfs' value, if supported by your particular firmware
 configuration.
 
+XDP
+---
+
+Support for XDP includes the basics, plus Jumbo frames, Redirect and
+ndo_xmit.  There is no current support for zero-copy sockets or HW offload.
+
 Statistics
 ==========
 
@@ -138,6 +144,12 @@ Driver port specific::
      rx_csum_none: 0
      rx_csum_complete: 3
      rx_csum_error: 0
+     xdp_drop: 0
+     xdp_aborted: 0
+     xdp_pass: 0
+     xdp_tx: 0
+     xdp_redirect: 0
+     xdp_frames: 0
 
 Driver queue specific::
 
@@ -149,9 +161,12 @@ Driver queue specific::
      tx_0_frags: 0
      tx_0_tso: 0
      tx_0_tso_bytes: 0
+     tx_0_hwstamp_valid: 0
+     tx_0_hwstamp_invalid: 0
      tx_0_csum_none: 3
      tx_0_csum: 0
      tx_0_vlan_inserted: 0
+     tx_0_xdp_frames: 0
      rx_0_pkts: 2
      rx_0_bytes: 120
      rx_0_dma_map_err: 0
@@ -159,8 +174,15 @@ Driver queue specific::
      rx_0_csum_none: 0
      rx_0_csum_complete: 0
      rx_0_csum_error: 0
+     rx_0_hwstamp_valid: 0
+     rx_0_hwstamp_invalid: 0
      rx_0_dropped: 0
      rx_0_vlan_stripped: 0
+     rx_0_xdp_drop: 0
+     rx_0_xdp_aborted: 0
+     rx_0_xdp_pass: 0
+     rx_0_xdp_tx: 0
+     rx_0_xdp_redirect: 0
 
 Firmware port specific::
 
-- 
2.17.1