gve: Add header split ethtool stats

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To record the stats of header split packets, three stats are added in
the driver's ethtool stats.

- rx_hsplit_pkt is the split packets count with header split
- rx_hsplit_bytes is the received header bytes count with header split
- rx_hsplit_unsplit_pkt is the unsplit packet count due to header buffer
  overflow or zero header length when header split is enabled

Currently, it's entering the stats_update critical section more than
once per packet. We have plans to avoid that in the future change to let
all the stats_update happen in one place at the end of
`gve_rx_poll_dqo`.

Co-developed-by: Ziwei Xiao <ziweixiao@google.com>
Signed-off-by: Ziwei Xiao <ziweixiao@google.com>
Signed-off-by: Jeroen de Borst <jeroendb@google.com>
Reviewed-by: Praveen Kaligineedi <pkaligineedi@google.com>
Reviewed-by: Harshitha Ramamurthy <hramamurthy@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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This commit is contained in:

Jeroen de Borst 2024-02-29 13:22:36 -08:00 • committed by David S. Miller

parent 5e37d8254e

commit 056a70924a

3 changed files with 38 additions and 11 deletions

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4

drivers/net/ethernet/google/gve/gve.h

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36

drivers/net/ethernet/google/gve/gve_ethtool.c

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9

drivers/net/ethernet/google/gve/gve_rx_dqo.c

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