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| author |   Ben Hutchings <bhutchings@solarflare.com> | 2012-11-19 23:08:20 +0000 |
|---|---|---|
| committer | Ben Hutchings <bhutchings@solarflare.com> | 2013-08-22 19:25:59 +0100 |
| commit | 8803e15042fbf5bd53b9b43147a91e3f50cffb03 (patch) | |
| tree | d2235bad8fa93762996e6004be336572a266a71b /drivers/net/ethernet/sfc/mcdi_port.c | |
| parent | sfc: Refactor Falcon-arch filter removal (diff) | |
| download | linux-dev-8803e15042fbf5bd53b9b43147a91e3f50cffb03.tar.xz linux-dev-8803e15042fbf5bd53b9b43147a91e3f50cffb03.zip | |
sfc: Add flag for stack-owned RX MAC filters
MAC filters inserted on request from the stack (ndo_set_rx_mode)
should allow manual steering but not removal. Currently we have a
special case for Siena's all-multicast and all-unicast MAC filters,
but on EF10 we need to allow for steering of precise MAC filters as
well.
The EFX_FILTER_FLAG_RX_STACK flag changes the behaviour of replacement
and removal requests:
- Replacement *of* a filter with this flag never clears the flag but
does change steering and saved priority
- Replacement *by* a filter with this flag only sets the flag but does
not change steering
- Removal with priority < EFX_FILTER_PRI_REQUIRED really resets RX
steering and saved priority
This could support precise MAC filtering on Siena in future.
As a side-benefit, the default MAC filters are hidden from ethtool
until they are steered.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Diffstat (limited to '')
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