Messages in this thread | | | From | Song Yoong Siang <> | Subject | [PATCH net-next v4 0/3] XDP Rx HWTS metadata for stmmac driver | Date | Thu, 13 Apr 2023 11:25:38 +0800 |
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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: 0x55fdb5f006d0: rx_desc[3]->addr=1000000003bd000 addr=3bd100 comp_addr=3bd000 rx_timestamp: 1677762474360150047 rx_hash: 0 0x55fdb5f006d0: complete idx=515 addr=3bd000
Result for port 9092: found skb hwtstamp = 1677762476.320146161
Changes since v3: * directly retrieve Rx HWTS in stmmac_xdp_rx_timestamp(), instead of reuse stmmac_get_rx_hwtstamp()
Changes since v2: * To reduce packet processing cost, get the Rx HWTS only when xmo_rx_timestamp() is called
Changes since v1: * Add static to stmmac_xdp_metadata_ops declaration
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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
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