Messages in this thread | | | From | Song Yoong Siang <> | Subject | [PATCH net-next v6 0/3] XDP Rx HWTS metadata for stmmac driver | Date | Sat, 15 Apr 2023 14:45:00 +0800 |
| |
Implemented XDP receive hardware timestamp metadata for stmmac driver.
This patchset is tested with tools/testing/selftests/bpf/xdp_hw_metadata. Below are the test steps and results.
Command on DUT: sudo ./xdp_hw_metadata <interface name>
Command on Link Partner: echo -n xdp | nc -u -q1 <destination IPv4 addr> 9091 echo -n skb | nc -u -q1 <destination IPv4 addr> 9092
Result for port 9091: poll: 1 (0) skip=1 fail=0 redir=1 xsk_ring_cons__peek: 1 0x55f69f65f6d0: rx_desc[0]->addr=100000000008000 addr=8100 comp_addr=8000 rx_timestamp: 1677762069053692631 No rx_hash err=-95 0x55f69f65f6d0: complete idx=8 addr=8000
Result for port 9092: poll: 1 (0) skip=2 fail=0 redir=1 found skb hwtstamp = 1677762071.937207680
changelog: v5 -> v6: improve field naming of struct stmmac_xdp_buff
v4 -> v5: remove zeroing operation on ctx variable
v3 -> v4: directly retrieve Rx HWTS in stmmac_xdp_rx_timestamp(), instead of reuse stmmac_get_rx_hwtstamp()
v2 -> v3: To reduce packet processing cost, get the Rx HWTS only when xmo_rx_timestamp() is called
v1 -> v2: Add static to stmmac_xdp_metadata_ops declaration
---
Song Yoong Siang (3): net: stmmac: introduce wrapper for struct xdp_buff net: stmmac: add Rx HWTS metadata to XDP receive pkt net: stmmac: add Rx HWTS metadata to XDP ZC receive pkt
drivers/net/ethernet/stmicro/stmmac/stmmac.h | 7 ++ .../net/ethernet/stmicro/stmmac/stmmac_main.c | 80 ++++++++++++++++--- 2 files changed, 77 insertions(+), 10 deletions(-)
-- 2.34.1
| |