bnxt_en: Implement ethtool -X to set indirection table.

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With the new infrastructure in place, we can now support the setting of
the indirection table from ethtool.

When changing channels, in a rare case that firmware cannot reserve the
rings that were promised, we will still try to keep the RSS map and only
revert to default when absolutely necessary.

v4: Revert RSS map to default during ring change only when absolutely
    necessary.

v3: Add warning messages when firmware cannot reserve the requested RX
    rings, and when the RSS table entries have to change to default.

v2: When changing channels, if the RSS table size changes and RSS map
    is non-default, return error.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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This commit is contained in:

Michael Chan 2020-07-08 07:53:59 -04:00 • committed by David S. Miller

parent adc38ac667

commit bd3191b5d8

2 changed files with 67 additions and 1 deletions

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31

drivers/net/ethernet/broadcom/bnxt/bnxt.c

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37

drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c

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