On 18/03/2025 5:07, Faizal Rahim wrote:
Since preemptible tc implementation is not ready yet, block it from being
set in taprio. The existing code already blocks it in mqprio.
Reviewed-by: Vladimir Oltean
Signed-off-by: Faizal Rahim
---
drivers/net/ethernet/intel/igc/igc_main.c | 4
1
On 18/03/2025 5:07, Faizal Rahim wrote:
In preparation for upcoming frame preemption patches, optimize the TX
packet buffer size. The total packet buffer size (RX + TX) is 64KB, with
a maximum of 34KB for either RX or TX. Split the buffer evenly,
allocating 32KB to each.
For TX, assign 7KB to ea
On 18/03/2025 5:07, Faizal Rahim wrote:
Add support for setting tx-min-frag-size via the set_mm callback in igc.
If the requested value is unsupported, round it up to the smallest
supported i226 size (64, 128, 192, 256) and send a netlink message to
inform the user.
Co-developed-by: Vinicius Cos
On 19/03/2025 16:18, Zdenek Bouska wrote:
Fixes TX frame drops in AF_XDP zero copy mode when budget < 4.
xsk_tx_peek_desc() consumed TX frame and it was ignored because of
low budget. Not even AF_XDP completion was done for dropped frames.
It can be reproduced on i226 by sending 10x 60 B fra
On 18/03/2025 5:07, Faizal Rahim wrote:
Renamed xdp_get_tx_ring() function to a more generic name for use in
upcoming frame preemption patches.
Signed-off-by: Faizal Rahim
---
drivers/net/ethernet/intel/igc/igc.h | 2 +-
drivers/net/ethernet/intel/igc/igc_main.c | 9 -
2 files
On 18/03/2025 5:07, Faizal Rahim wrote:
In preparation for an upcoming patch that will modify the TX buffer size
in TSN mode, replace IGC_TXPBSIZE_TSN and IGC_TXPBSIZE_DEFAULT
implementation with new macros that utilizes FIELD_PREP and GENMASK for
clarity.
The newly introduced macros follow the
On 18/03/2025 5:07, Faizal Rahim wrote:
Prepare for an upcoming patch that modifies the RX buffer size in TSN mode.
Refactor IGC_RXPBSIZE_EXP_BMC_DEFAULT and IGC_RXPBS_CFG_TS_EN using
FIELD_PREP and GENMASK to improve clarity and maintainability. Refactor
both macros for consistency, even though
On 13/03/2025 11:35, Rui Salvaterra wrote:
This is enabled by default in other Intel drivers I've checked (e1000, e1000e,
iavf, igb and ice). Fixes an out-of-the-box performance issue when running
OpenWrt on typical mini-PCs with igc-supported Ethernet controllers and 802.1Q
VLAN configurations,
On 18/03/2025 5:07, Faizal Rahim wrote:
In preparation for supporting frame preemption, when entering TSN mode,
set the receive packet buffer to 15KB for the Express MAC, 15KB for
the Preemptible MAC and 2KB for the BMC.
References:
I225/I226 SW User Manual, Section 4.7.9, Section 7.1.3.2, Secti
On 18/03/2025 5:07, Faizal Rahim wrote:
This patch implements the "ethtool --set-mm" callback to trigger the
frame preemption verification handshake.
Uses the MAC Merge Software Verification (mmsv) mechanism in ethtool
to perform the verification handshake for igc.
The structure fpe.mmsv is set
On 18/03/2025 5:07, Faizal Rahim wrote:
Implemented "ethtool --include-statistics --show-mm" callback for IGC.
Tested preemption scenario to check preemption statistics:
1) Trigger verification handshake on both boards:
$ sudo ethtool --set-mm enp1s0 pmac-enabled on
$ sudo ethtool --se
On 3/25/25 03:01, Xuanqiang Luo wrote:
From: Xuanqiang Luo
As mentioned in the commit baeb705fd6a7 ("ice: always check VF VSI
pointer values"), we need to perform a null pointer check on the return
value of ice_get_vf_vsi() before using it.
v2: Add "iwl-net" to the subject and modify the name
On 18/03/2025 5:07, Faizal Rahim wrote:
Implement "ethtool --show-mm" callback for IGC.
Tested with command:
$ ethtool --show-mm enp1s0.
MAC Merge layer state for enp1s0:
pMAC enabled: on
TX enabled: on
TX active: on
TX minimum fragment size: 64
RX minimum fragment size: 60
On 18/03/2025 5:07, Faizal Rahim wrote:
Rename RX and TX packet buffer size macros in preparation for an
upcoming patch that will refactor buffer size handling using FIELD_PREP
and GENMASK.
Changes:
- Rename I225_RXPBSIZE_DEFAULT to IGC_RXPBSIZE_EXP_BMC_DEFAULT.
The EXP_BMC suffix explicitly
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