PING: [PATCH v7 0/4] Support PERF MGMT for RXE

zhenwei pi
2026-04-21T06:29:50Z

Greetings! Gentle ping.

On 4/14/26 14:29, zhenwei pi wrote:
> v7:
> - use 'counters/port_xmit_data' & 'counters/port_rcv_data' instead of
> 'hw_counters/sent_bytes' & 'hw_counters/rcvd_bytes'
>
> v6:
> - return IB_MAD_RESULT_SUCCESS instead of 'IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY'
> on unsupported method
> - add a script to verify the sent/rcvd bytes which is wrotten by Yanjun
>
> v5:
> - remove patch "RDMA/core: Fix memory free for GID table", it was
> applied by Jason separately.
> - suggested by Yanjun, use 'skb_network_offset' to calculate the
> length of received packets.
>
> v4:
> - drop rxe_ib_device_get_netdev and RXE_PORT, use 1 instead
> - avoid UAF to get skb length
> - remove one-line wrapper rxe_counter_get, use atomic64_read instead
> - fix memory free for GID table, this is a new patch in this series.
>
> v3:
> - merge 'RDMA/rxe: use rxe_counter_get' into previous commit
> - zero *out* MAD memory
> - return success with error status rather than failure to avoid
> uplayer hang
>
> v2:
> - Fix overflow for PMA counter *link_downed_counter*
> - Use *rxe_counter_get* instead of *atomic64_read* for hw-counters
>
> v1:
> Support PERF MGMT for RXE, add sent/received bytes for RXE counters,
> also improve coding style.
>
> Zhu Yanjun (1):
> selftest/rxe: Add selftests for perf
>
> zhenwei pi (3):
> RDMA/rxe: remove rxe_ib_device_get_netdev() and RXE_PORT
> RDMA/rxe: add SENT/RCVD bytes
> RDMA/rxe: support perf mgmt GET method
>
> drivers/infiniband/sw/rxe/Makefile | 1 +
> drivers/infiniband/sw/rxe/rxe_hw_counters.c | 2 +
> drivers/infiniband/sw/rxe/rxe_hw_counters.h | 2 +
> drivers/infiniband/sw/rxe/rxe_loc.h | 6 ++
> drivers/infiniband/sw/rxe/rxe_mad.c | 101 ++++++++++++++++++
> drivers/infiniband/sw/rxe/rxe_mcast.c | 4 +-
> drivers/infiniband/sw/rxe/rxe_net.c | 9 +-
> drivers/infiniband/sw/rxe/rxe_recv.c | 2 +
> drivers/infiniband/sw/rxe/rxe_verbs.c | 5 +-
> drivers/infiniband/sw/rxe/rxe_verbs.h | 10 +-
> tools/testing/selftests/rdma/Makefile | 3 +-
> .../selftests/rdma/rxe_sent_rcvd_bytes.sh | 75 +++++++++++++
> 12 files changed, 206 insertions(+), 14 deletions(-)
> create mode 100644 drivers/infiniband/sw/rxe/rxe_mad.c
> create mode 100755 tools/testing/selftests/rdma/rxe_sent_rcvd_bytes.sh
>