• Jose Abreu's avatar
    net: stmmac: Introduce selftests support · 091810db
    Jose Abreu authored
    We add support for selftests on stmmac driver with 9 basic sanity checks
    for now:
    	- MAC Loopback
    	- PHY Loopback
    	- MMC Counters
    	- EEE
    	- Hash Filter Multicast
    	- Perfect Filter Unicast
    	- Multicast Filter All
    	- Unicast Filter All
    	- Flow Control
    
    This allows for fast tracking of regressions in the driver and helps in
    spotting mis-configuration of HW.
    
    Changes from v1:
    	- Fix build error as module (David)
    	- Check for link status before running tests
    Changes from RFC v2:
    	- Return proper error code in stmmac_test_mmc (Corentin)
    	- Use only 1 MMC counter in stmmac_test_mmc (Alexandre)
    Changes from RFC v1:
    	- Change test_loopback to test_mac_loopback (Andrew)
    	- Change timeout to retries (Andrew)
    	- Add MC/UC filter tests (Andrew)
    	- Only test in offline mode (Andrew)
    	- Do not call phy_loopback twice (Alexandre)
    Signed-off-by: default avatarJose Abreu <joabreu@synopsys.com>
    Cc: Joao Pinto <jpinto@synopsys.com>
    Cc: David S. Miller <davem@davemloft.net>
    Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
    Cc: Alexandre Torgue <alexandre.torgue@st.com>
    Cc: Corentin Labbe <clabbe.montjoie@gmail.com>
    Cc: Andrew Lunn <andrew@lunn.ch>
    Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
    091810db
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