Commit f7bf0ec1 authored by Shannon Nelson's avatar Shannon Nelson Committed by Jakub Kicinski
Browse files

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: default avatarShannon Nelson <shannon.nelson@amd.com>
Reviewed-by: default avatarSimon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240319163534.38796-1-shannon.nelson@amd.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 2d9d9f25

Documentation/networking/device_drivers/ethernet/pensando/ionic.rst

+22 −0
Original line number Diff line number Diff line
@@ -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::