000 (100.016 usec)
0x562ff5dc8880: complete rx idx=132 addr=84110
Signed-off-by: Song Yoong Siang
---
drivers/net/ethernet/intel/igc/igc_main.c | 78 ---
1 file changed, 56 insertions(+), 22 deletions(-)
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c
b/drivers/
Add Launch Time hw offload request to xdp_hw_metadata. User can configure
the delta of launch time to HW RX-time by using "-l" argument. The default
delta is 100,000,000 nanosecond.
Signed-off-by: Song Yoong Siang
---
tools/testing/selftests/bpf/xdp_hw_metadata.c | 30
ime: 1734579065768004454 (sec:1734579065.7680) delta to User
TX-complete-time sec:0. (999860.245 usec)
HW RX-time: 1734579065767717328 (sec:1734579065.7677) delta to HW
TX-complete-time sec:1. (116.963 usec)
0x55b5864717a8: complete rx idx=132 addr=88100
Signed-off-by: Song Yoong Si
.org/project/netdevbpf/cover/20231130162028.852006-1-yoong.siang.s...@intel.com/
v2:
https://patchwork.kernel.org/project/netdevbpf/cover/20231201062421.1074768-1-yoong.siang.s...@intel.com/
v3:
https://patchwork.kernel.org/project/netdevbpf/cover/20231203165129.1740512-1-yoong.siang.s...@intel.com/
field of struct xsk_tx_metadata.
Suggested-by: Stanislav Fomichev
Signed-off-by: Song Yoong Siang
---
Documentation/netlink/specs/netdev.yaml | 4 ++
Documentation/networking/xsk-tx-metadata.rst | 64
include/net/xdp_sock.h | 10 +++
include/net
field of struct xsk_tx_metadata.
Suggested-by: Stanislav Fomichev
Signed-off-by: Song Yoong Siang
Acked-by: Stanislav Fomichev
---
Documentation/netlink/specs/netdev.yaml | 4 ++
Documentation/networking/xsk-tx-metadata.rst | 62
include/net/xdp_sock.h
aunch time
hardware offload feature will be enabled and requested. Additionally, users
can configure the Tx Queue to be enabled with the launch time hardware
offload using the "-L" argument. By default, Tx Queue 0 will be used.
Signed-off-by: Song Yoong Siang
Acked-by: Stanislav Fomichev
s://lore.kernel.org/netdev/20231130162028.852006-1-yoong.siang.s...@intel.com/
Song Yoong Siang (5):
xsk: Add launch time hardware offload support to XDP Tx metadata
selftests/bpf: Add launch time request to xdp_hw_metadata
net: stmmac: Add launch time support to XDP ZC
igc: Refactor emp
tly in sending 1000 packets continuously.
Min delta: 08.410 us
Avr delta: 13.854 us
Max delta: 17.076 us
Total packets forwarded: 1000
Signed-off-by: Song Yoong Siang
---
drivers/net/ethernet/stmicro/stmmac/stmmac.h | 2 ++
drivers/net/ethernet/stmicro/stmmac/stmmac_main.
function.
This patch introduces no functional changes.
Signed-off-by: Song Yoong Siang
---
drivers/net/ethernet/intel/igc/igc_main.c | 42 ---
1 file changed, 22 insertions(+), 20 deletions(-)
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c
b/drivers/net/ethernet/intel
tly in sending 1000 packets continuously.
Min delta: 0.005 us
Avr delta: 0.016 us
Max delta: 0.031 us
Total packets forwarded: 1000
Signed-off-by: Song Yoong Siang
---
drivers/net/ethernet/intel/igc/igc_main.c | 42 +--
1 file changed, 40 insertions(+), 2 deletions(-)
On Tuesday, February 4, 2025 10:04 PM, Fijalkowski, Maciej
wrote:
>On Tue, Feb 04, 2025 at 02:14:00PM +0100, Song, Yoong Siang wrote:
>> On Tuesday, February 4, 2025 6:10 PM, Fijalkowski,
>> Maciej wrote:
>> >On Tue, Feb 04, 2025 at 08:49:07AM +0800, Song Yoong Siang
aunch time
hardware offload feature will be enabled and requested. Additionally, users
can configure the Tx Queue to be enabled with the launch time hardware
offload using the "-L" argument. By default, Tx Queue 0 will be used.
Signed-off-by: Song Yoong Siang
Acked-by: Stanislav Fomichev
field of struct xsk_tx_metadata.
Suggested-by: Stanislav Fomichev
Signed-off-by: Song Yoong Siang
Acked-by: Stanislav Fomichev
---
Documentation/netlink/specs/netdev.yaml | 4 ++
Documentation/networking/xsk-tx-metadata.rst | 62
include/net/xdp_sock.h
tly in sending 1000 packets continuously.
Min delta: 08.410 us
Avr delta: 13.854 us
Max delta: 17.076 us
Total packets forwarded: 1000
Signed-off-by: Song Yoong Siang
Reviewed-by: Choong Yong Liang
---
drivers/net/ethernet/stmicro/stmmac/stmmac.h | 2 ++
drivers/net/ethernet/stmicro/
028.852006-1-yoong.siang.s...@intel.com/
Song Yoong Siang (5):
xsk: Add launch time hardware offload support to XDP Tx metadata
selftests/bpf: Add launch time request to xdp_hw_metadata
net: stmmac: Add launch time support to XDP ZC
igc: Refactor empty packet insertion into a reusable funct
function.
This patch introduces no functional changes.
Signed-off-by: Song Yoong Siang
Reviewed-by: Faizal Rahim
---
drivers/net/ethernet/intel/igc/igc_main.c | 42 ---
1 file changed, 22 insertions(+), 20 deletions(-)
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c
b
tly in sending 1000 packets continuously.
Min delta: 0.005 us
Avr delta: 0.016 us
Max delta: 0.031 us
Total packets forwarded: 1000
Signed-off-by: Song Yoong Siang
---
drivers/net/ethernet/intel/igc/igc.h | 1 +
drivers/net/ethernet/intel/igc/igc_main.c | 52
On Tuesday, February 4, 2025 8:36 PM, Fijalkowski, Maciej
wrote:
>On Tue, Feb 04, 2025 at 12:07:21PM +0100, Song, Yoong Siang wrote:
[...]
>>
>> "insert an empty packet" is a launch time trick to send a packet in
>> next Qbv cycle. The design is, the driver w
On Tuesday, February 4, 2025 11:18 PM, Fijalkowski, Maciej
wrote:
>On Tue, Feb 04, 2025 at 03:49:32PM +0100, Song, Yoong Siang wrote:
[...]
>> With above, IMHO, we no need to clear igc_tx_buffer::type,
>> Are you agree?
>
>Yes, the contract should be that every
On Tuesday, February 4, 2025 6:10 PM, Fijalkowski, Maciej
wrote:
>On Tue, Feb 04, 2025 at 08:49:07AM +0800, Song Yoong Siang wrote:
>
>> Enable Launch Time Control (LTC) support for XDP zero copy via XDP Tx
>> metadata framework.
>>
>> This patch has been tested wi
On Tuesday, February 4, 2025 5:50 PM, Fijalkowski, Maciej
wrote:
>On Tue, Feb 04, 2025 at 08:49:06AM +0800, Song Yoong Siang wrote:
>> Refactor the code for inserting an empty packet into a new function
>> igc_insert_empty_packet(). This change extracts the logic for inserting
>
On Wednesday, February 5, 2025 8:31 PM, Fijalkowski, Maciej
wrote:
>On Wed, Feb 05, 2025 at 10:41:15AM +0800, Song Yoong Siang wrote:
>> Refactor the code for inserting an empty packet into a new function
>> igc_insert_empty_packet(). This change extracts the logic for insert
On Thursday, February 6, 2025 12:08 AM, Fijalkowski, Maciej
wrote:
>On Wed, Feb 05, 2025 at 03:43:19PM +0100, Song, Yoong Siang wrote:
>> On Wednesday, February 5, 2025 8:31 PM, Fijalkowski,
>> Maciej wrote:
>> >On Wed, Feb 05, 2025 at 10:41:15AM +0800, Song Yoong Sia
v/20231201062421.1074768-1-yoong.siang.s...@intel.com/
- renamed to use Earliest TxTime First (Willem)
- renamed to use txtime (Willem)
V1:
https://lore.kernel.org/netdev/20231130162028.852006-1-yoong.siang.s...@intel.com/
Song Yoong Siang (5):
xsk: Add launch time hardware offload support to XDP T
field of struct xsk_tx_metadata.
Suggested-by: Stanislav Fomichev
Acked-by: Stanislav Fomichev
Signed-off-by: Song Yoong Siang
---
Documentation/netlink/specs/netdev.yaml | 4 ++
Documentation/networking/xsk-tx-metadata.rst | 62
include/net/xdp_sock.h
tly in sending 1000 packets continuously.
Min delta: 0.005 us
Avr delta: 0.016 us
Max delta: 0.031 us
Total packets forwarded: 1000
Signed-off-by: Song Yoong Siang
---
drivers/net/ethernet/intel/igc/igc.h | 1 +
drivers/net/ethernet/intel/igc/igc_main.c | 57
aunch time
hardware offload feature will be enabled and requested. Additionally, users
can configure the Tx Queue to be enabled with the launch time hardware
offload using the "-L" argument. By default, Tx Queue 0 will be used.
Acked-by: Stanislav Fomichev
Signed-off-by: Song Yoong Siang
tly in sending 1000 packets continuously.
Min delta: 08.410 us
Avr delta: 13.854 us
Max delta: 17.076 us
Total packets forwarded: 1000
Reviewed-by: Choong Yong Liang
Signed-off-by: Song Yoong Siang
---
drivers/net/ethernet/stmicro/stmmac/stmmac.h | 2 ++
drivers/net/ethernet/stmicro/
behind this handling.
Signed-off-by: Song Yoong Siang
---
drivers/net/ethernet/intel/igc/igc_main.c | 84 ++-
1 file changed, 52 insertions(+), 32 deletions(-)
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c
b/drivers/net/ethernet/intel/igc/igc_main.c
index
aunch time
hardware offload feature will be enabled and requested. Additionally, users
can configure the Tx Queue to be enabled with the launch time hardware
offload using the "-L" argument. By default, Tx Queue 0 will be used.
Acked-by: Stanislav Fomichev
Signed-off-by: Song Yoong Siang
tly in sending 1000 packets continuously.
Min delta: 08.410 us
Avr delta: 13.854 us
Max delta: 17.076 us
Total packets forwarded: 1000
Reviewed-by: Choong Yong Liang
Signed-off-by: Song Yoong Siang
---
drivers/net/ethernet/stmicro/stmmac/stmmac.h | 2 ++
drivers/net/ethernet/stmicro/
behind this handling.
Reviewed-by: Maciej Fijalkowski
Signed-off-by: Song Yoong Siang
---
drivers/net/ethernet/intel/igc/igc_main.c | 82 ++-
1 file changed, 50 insertions(+), 32 deletions(-)
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c
b/drivers/net/ethernet/intel
tly in sending 1000 packets continuously.
Min delta: 0.005 us
Avr delta: 0.016 us
Max delta: 0.031 us
Total packets forwarded: 1000
Reviewed-by: Maciej Fijalkowski
Signed-off-by: Song Yoong Siang
---
drivers/net/ethernet/intel/igc/igc.h | 1 +
drivers/net/ethernet/intel/igc/igc_
s://lore.kernel.org/netdev/20231201062421.1074768-1-yoong.siang.s...@intel.com/
- renamed to use Earliest TxTime First (Willem)
- renamed to use txtime (Willem)
V1:
https://lore.kernel.org/netdev/20231130162028.852006-1-yoong.siang.s...@intel.com/
Song Yoong Siang (5):
xsk: Add launch time hardware
field of struct xsk_tx_metadata.
Suggested-by: Stanislav Fomichev
Acked-by: Stanislav Fomichev
Signed-off-by: Song Yoong Siang
---
Documentation/netlink/specs/netdev.yaml | 4 ++
Documentation/networking/xsk-tx-metadata.rst | 62
include/net/xdp_sock.h
On Wednesday, January 8, 2025 12:58 AM, Stanislav Fomichev
wrote:
>On 01/06, Song Yoong Siang wrote:
>> Add Launch Time hw offload request to xdp_hw_metadata. User can configure
>> the delta of launch time to HW RX-time by using "-l" argument. The default
>>
On Wednesday, January 8, 2025 1:08 AM, Stanislav Fomichev
wrote:
>On 01/06, Song Yoong Siang wrote:
>> Enable launch time (Time-Based Scheduling) support to XDP zero copy via XDP
>> Tx metadata framework.
>>
>> This patch is tested with tools/testing/selftests/bpf/
On Wednesday, January 8, 2025 12:50 AM, Stanislav Fomichev
wrote:
>On 01/06, Song Yoong Siang wrote:
>> Extend the XDP Tx metadata framework so that user can requests launch time
>> hardware offload, where the Ethernet device will schedule the packet for
>> transmission at
On Thursday, January 23, 2025 11:40 PM, Bouska, Zdenek
wrote:
>
>Hi Siang,
>
>I tested this patch series on 6.13 with Intel I226-LM (rev 04).
>
>I also applied patch "selftests/bpf: Actuate tx_metadata_len in
>xdp_hw_metadata" [1]
>and "selftests/bpf: Enable Tx hwtstamp in xdp_hw_metadata" [2] s
On Monday, January 20, 2025 3:25 PM, Choong Yong Liang
wrote:
>On 20/1/2025 2:25 pm, Abdul Rahim, Faizal wrote:
>>
>> To be cautious, could we perform a stress test by sending a higher number
>> of packets with launch time? For example, we could send 200 packets, each
>> configured with a launch
On Monday, January 20, 2025 2:26 PM, Abdul Rahim, Faizal
wrote:
>Hi Siang.
>
>On 16/1/2025 11:53 pm, Song Yoong Siang wrote:
>> Enable Launch Time Control (LTC) support to XDP zero copy via XDP Tx
>> metadata framework.
>>
>> This patch is tested with tools/test
devbpf/cover/20231203165129.1740512-1-yoong.siang.s...@intel.com/
v4:
https://patchwork.kernel.org/project/netdevbpf/cover/20250106135506.9687-1-yoong.siang.s...@intel.com/
Song Yoong Siang (4):
xsk: Add launch time hardware offload support to XDP Tx metadata
selftests/bpf: Add launch time request to xdp_hw_me
field of struct xsk_tx_metadata.
Suggested-by: Stanislav Fomichev
Signed-off-by: Song Yoong Siang
---
Documentation/netlink/specs/netdev.yaml | 4 ++
Documentation/networking/xsk-tx-metadata.rst | 62
include/net/xdp_sock.h | 10
include/net
aunch time
hardware offload feature will be enabled and requested. Additionally, users
can configure the Tx Queue to be enabled with the launch time hardware
offload using the "-L" argument. By default, Tx Queue 0 will be used.
Signed-off-by: Song Yoong Siang
---
tools/testing/selftests/bpf/xdp
680) delta to User
TX-complete-time sec:0. (999860.245 usec)
HW RX-time: 1734579065767717328 (sec:1734579065.7677) delta to HW
TX-complete-time sec:1. (116.963 usec)
0x55b5864717a8: complete rx idx=132 addr=88100
Signed-off-by: Song Yoong Siang
---
drivers/net/ethernet/stmi
sec:1734578015.4677) delta to User
TX-complete-time sec:0. (29.768 usec)
HW RX-time: 1734578015467548904 (sec:1734578015.4675) delta to HW
TX-complete-time sec:1. (100.016 usec)
0x562ff5dc8880: complete rx idx=132 addr=84110
Signed-off-by: Song Yoong Siang
---
drivers/net/ether
field of struct xsk_tx_metadata.
Suggested-by: Stanislav Fomichev
Signed-off-by: Song Yoong Siang
Acked-by: Stanislav Fomichev
---
Documentation/netlink/specs/netdev.yaml | 4 ++
Documentation/networking/xsk-tx-metadata.rst | 62
include/net/xdp_sock.h
aunch time
hardware offload feature will be enabled and requested. Additionally, users
can configure the Tx Queue to be enabled with the launch time hardware
offload using the "-L" argument. By default, Tx Queue 0 will be used.
Signed-off-by: Song Yoong Siang
---
tools/testing/selftests/bpf/xdp
680) delta to User
TX-complete-time sec:0. (999860.245 usec)
HW RX-time: 1734579065767717328 (sec:1734579065.7677) delta to HW
TX-complete-time sec:1. (116.963 usec)
0x55b5864717a8: complete rx idx=132 addr=88100
Signed-off-by: Song Yoong Siang
---
drivers/net/ethernet/stmi
sec:1734578015.4677) delta to User
TX-complete-time sec:0. (29.768 usec)
HW RX-time: 1734578015467548904 (sec:1734578015.4675) delta to HW
TX-complete-time sec:1. (100.016 usec)
0x562ff5dc8880: complete rx idx=132 addr=84110
Signed-off-by: Song Yoong Siang
---
drivers/net/ether
/
v5:
https://patchwork.kernel.org/project/netdevbpf/cover/20250114152718.120588-1-yoong.siang.s...@intel.com/
Song Yoong Siang (4):
xsk: Add launch time hardware offload support to XDP Tx metadata
selftests/bpf: Add launch time request to xdp_hw_metadata
net: stmmac: Add launch time suppo
On Wednesday, January 15, 2025 10:57 PM, Daniel Borkmann
wrote:
>On 1/14/25 4:27 PM, Song Yoong Siang wrote:
>[...]
>> +/* Add mqprio qdisc with TC and hardware queue one-to-one mapping */
>> +char map[256] = {0};
>> +char queues[256] = {0};
>> +
On Sunday, February 16, 2025 3:04 AM, Jakub Kicinski wrote:
>On Sat, 15 Feb 2025 11:01:59 -0800 Jakub Kicinski wrote:
>> On Fri, 7 Feb 2025 10:19:39 +0800 Song Yoong Siang wrote:
>> > Extend the XDP Tx metadata framework so that user can requests launch time
>> >
field of struct xsk_tx_metadata.
Suggested-by: Stanislav Fomichev
Acked-by: Stanislav Fomichev
Signed-off-by: Song Yoong Siang
---
Documentation/netlink/specs/netdev.yaml | 4 ++
Documentation/networking/xsk-tx-metadata.rst | 62
include/net/xdp_sock.h
xtime (Willem)
V1:
https://lore.kernel.org/netdev/20231130162028.852006-1-yoong.siang.s...@intel.com/
Song Yoong Siang (5):
xsk: Add launch time hardware offload support to XDP Tx metadata
selftests/bpf: Add launch time request to xdp_hw_metadata
net: stmmac: Add launch time support to XD
aunch time
hardware offload feature will be enabled and requested. Additionally, users
can configure the Tx Queue to be enabled with the launch time hardware
offload using the "-L" argument. By default, Tx Queue 0 will be used.
Acked-by: Stanislav Fomichev
Signed-off-by: Song Yoong Siang
behind this handling.
Reviewed-by: Faizal Rahim
Reviewed-by: Maciej Fijalkowski
Signed-off-by: Song Yoong Siang
---
drivers/net/ethernet/intel/igc/igc_main.c | 82 ++-
1 file changed, 50 insertions(+), 32 deletions(-)
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c
b
tly in sending 1000 packets continuously.
Min delta: 08.410 us
Avr delta: 13.854 us
Max delta: 17.076 us
Total packets forwarded: 1000
Reviewed-by: Choong Yong Liang
Signed-off-by: Song Yoong Siang
---
drivers/net/ethernet/stmicro/stmmac/stmmac.h | 2 ++
drivers/net/ethernet/stmicro/
tly in sending 1000 packets continuously.
Min delta: 0.005 us
Avr delta: 0.016 us
Max delta: 0.031 us
Total packets forwarded: 1000
Reviewed-by: Faizal Rahim
Reviewed-by: Maciej Fijalkowski
Signed-off-by: Song Yoong Siang
---
drivers/net/ethernet/intel/igc/igc.h | 1 +
drive
field of struct xsk_tx_metadata.
Suggested-by: Stanislav Fomichev
Acked-by: Stanislav Fomichev
Signed-off-by: Song Yoong Siang
---
Documentation/netlink/specs/netdev.yaml | 4 ++
Documentation/networking/xsk-tx-metadata.rst | 62
include/net/xdp_sock.h
s://lore.kernel.org/netdev/20231130162028.852006-1-yoong.siang.s...@intel.com/
Song Yoong Siang (5):
xsk: Add launch time hardware offload support to XDP Tx metadata
selftests/bpf: Add launch time request to xdp_hw_metadata
net: stmmac: Add launch time support to XDP ZC
igc: Refactor empty frame
aunch time
hardware offload feature will be enabled and requested. Additionally, users
can configure the Tx Queue to be enabled with the launch time hardware
offload using the "-L" argument. By default, Tx Queue 0 will be used.
Acked-by: Stanislav Fomichev
Signed-off-by: Song Yoong Siang
behind this handling.
Reviewed-by: Faizal Rahim
Reviewed-by: Maciej Fijalkowski
Signed-off-by: Song Yoong Siang
---
drivers/net/ethernet/intel/igc/igc_main.c | 82 ++-
1 file changed, 50 insertions(+), 32 deletions(-)
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c
b
tly in sending 1000 packets continuously.
Min delta: 0.005 us
Avr delta: 0.016 us
Max delta: 0.031 us
Total packets forwarded: 1000
Reviewed-by: Faizal Rahim
Reviewed-by: Maciej Fijalkowski
Signed-off-by: Song Yoong Siang
---
drivers/net/ethernet/intel/igc/igc.h | 1 +
drive
tly in sending 1000 packets continuously.
Min delta: 08.410 us
Avr delta: 13.854 us
Max delta: 17.076 us
Total packets forwarded: 1000
Reviewed-by: Choong Yong Liang
Signed-off-by: Song Yoong Siang
---
drivers/net/ethernet/stmicro/stmmac/stmmac.h | 2 ++
drivers/net/ethernet/stmicro/
On Friday, March 7, 2025 9:25 PM, Bouska, Zdenek
wrote:
[...]
>> @@ -2996,7 +3035,13 @@ static void igc_xdp_xmit_zc(struct igc_ring *ring)
>> ntu = ring->next_to_use;
>> budget = igc_desc_unused(ring);
>>
>> -while (xsk_tx_peek_desc(pool, &xdp_desc) && budget--) {
>> +/* Packe
On Tuesday, July 8, 2025 9:45 AM, Jakub Kicinski wrote:
>On Tue, 8 Jul 2025 01:34:13 +0000 Song, Yoong Siang wrote:
>> >For normal XDP my understanding is that its the driver's responsibility
>> >to move the "reserved" stuff out of place before presenting t
On Tuesday, July 8, 2025 4:55 AM, Jakub Kicinski wrote:
>On Tue, 1 Jul 2025 12:29:38 +0800 Song Yoong Siang wrote:
>> |<---sizeof(xdp_meta)--|
>> | |
>> struct xdp_meta
On Tuesday, July 8, 2025 10:18 AM, Jakub Kicinski wrote:
>On Tue, 8 Jul 2025 02:06:11 +0000 Song, Yoong Siang wrote:
>>> Why would the driver need to move it back?
>>> On XDP_PASS an skb is constructed, so the metadata should
>>> be transferred to the skb. There is
On Thursday, July 10, 2025 12:29 AM, Stanislav Fomichev
wrote:
>On 07/09, Daniel Borkmann wrote:
>> On 7/7/25 5:03 PM, Stanislav Fomichev wrote:
>> > On 07/04, Daniel Borkmann wrote:
>> > > On 7/4/25 11:58 AM, Jesper Dangaard Brouer wrote:
>> > > >
On Thursday, July 3, 2025 11:58 PM, Daniel Borkmann
wrote:
>On 7/2/25 6:57 PM, Song Yoong Siang wrote:
>[...]
>> +It is important to note that some devices may utilize the ``data_meta``
>> area for
>> +their own purposes. For example, the IGC device utilizes ``IGC_TS_HD
On Friday, July 4, 2025 1:05 AM, Jesper Dangaard Brouer wrote:
>On 02/07/2025 18.57, Song Yoong Siang wrote:
>> Introduce the XDP_METADATA_SIZE macro as a conservative measure to
>> accommodate any metadata areas reserved by Ethernet devices.
>>
>
>This seems like a slo
(Stanislav)
V1:
https://lore.kernel.org/netdev/20250701042940.3272325-1-yoong.siang.s...@intel.com/
Song Yoong Siang (2):
doc: enhance explanation of XDP Rx metadata layout and METADATA_SIZE
selftests/bpf: Enhance XDP Rx metadata handling
Documentation/networking/xdp-rx-metadata.rst | 36
alignment and size constraints. The updated guidance
helps users correctly allocate and access metadata in AF_XDP scenarios.
Signed-off-by: Song Yoong Siang
---
Documentation/networking/xdp-rx-metadata.rst | 36
1 file changed, 30 insertions(+), 6 deletions(-)
diff --git a
Introduce the XDP_METADATA_SIZE macro as a conservative measure to
accommodate any metadata areas reserved by Ethernet devices.
Signed-off-by: Song Yoong Siang
---
tools/testing/selftests/bpf/prog_tests/xdp_metadata.c | 2 +-
tools/testing/selftests/bpf/progs/xdp_hw_metadata.c | 2 +-
tools
On Thursday, July 3, 2025 12:04 AM, Stanislav Fomichev
wrote:
>On 07/02, Song, Yoong Siang wrote:
>> On Wednesday, July 2, 2025 11:19 PM, Stanislav Fomichev
> wrote:
>> >On 07/02, Song, Yoong Siang wrote:
>> >> On Wednesday, July 2, 2025 10:23 AM, Song,
On Wednesday, July 2, 2025 11:19 PM, Stanislav Fomichev
wrote:
>On 07/02, Song, Yoong Siang wrote:
>> On Wednesday, July 2, 2025 10:23 AM, Song, Yoong Siang
> wrote:
>> >On Wednesday, July 2, 2025 12:31 AM, Stanislav Fomichev
>
>> >wrote:
>> >>On 07
correctly allocate and access metadata in AF_XDP
use cases.
Signed-off-by: Song Yoong Siang
---
Documentation/networking/xdp-rx-metadata.rst | 38
1 file changed, 38 insertions(+)
diff --git a/Documentation/networking/xdp-rx-metadata.rst
b/Documentation/networking/xdp-rx
a from
the data pointer. This ensures the implementation remains functional even
when there is device-reserved metadata, making the tests more portable
across different NICs.
Signed-off-by: Song Yoong Siang
---
tools/testing/selftests/bpf/prog_tests/xdp_metadata.c | 2 +-
tools/testing/selftes
uff->data
| |
|<---sizeof(xdp_meta)--|
V2:
- unconditionally do bpf_xdp_adjust_meta with -XDP_METADATA_SIZE (Stanislav)
V1:
https://lore.kernel.org/netdev/20250701042940.3272325-1-yoong.siang.s...@intel.com/
Song Yoong Siang (2):
doc: clarify XDP Rx meta
On Wednesday, July 2, 2025 12:31 AM, Stanislav Fomichev
wrote:
>On 07/01, Song Yoong Siang wrote:
>> Introduce the XDP_METADATA_SIZE macro to ensure that user applications can
>> consistently retrieve the correct location of struct xdp_meta.
>>
>> Prior to this commi
correctly allocate and access metadata in AF_XDP
use cases.
Signed-off-by: Song Yoong Siang
---
Documentation/networking/xdp-rx-metadata.rst | 38
1 file changed, 38 insertions(+)
diff --git a/Documentation/networking/xdp-rx-metadata.rst
b/Documentation/networking/xdp-rx
uff->data
| |
|<---sizeof(xdp_meta)--|
Song Yoong Siang (2):
doc: clarify XDP Rx metadata layout and bpf_xdp_adjust_meta usage
selftests/bpf: Enhance XDP Rx Metadata Handling
Documentation/networking/xdp-rx-metadata.rst | 38 +++
.../selftests
a from
the data pointer. This ensures the implementation remains functional even
when there is device-reserved metadata, making the tests more portable
across different NICs.
Signed-off-by: Song Yoong Siang
---
tools/testing/selftests/bpf/prog_tests/xdp_metadata.c | 2 +-
tools/testing/selftes
On Wednesday, July 2, 2025 10:23 AM, Song, Yoong Siang
wrote:
>On Wednesday, July 2, 2025 12:31 AM, Stanislav Fomichev
>wrote:
>>On 07/01, Song Yoong Siang wrote:
>>> Introduce the XDP_METADATA_SIZE macro to ensure that user applications can
>>> consistently re
86 matches
Mail list logo
