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[netdrvr] sfc: sfc: Add self-test support

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Add a set of self-tests accessible thorugh ethtool.
Add hardware loopback and TX disable control code to support them.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Ben Hutchings
2008-05-07 13:36:19 +01:00
committed by Jeff Garzik
parent 05e3ec0446
commit 3273c2e8c6
14 changed files with 1379 additions and 7 deletions
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49
drivers/net/sfc/enum.h
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@@ -10,6 +10,55 @@
#ifndef EFX_ENUM_H
#define EFX_ENUM_H
/**
* enum efx_loopback_mode - loopback modes
* @LOOPBACK_NONE: no loopback
* @LOOPBACK_XGMII: loopback within MAC at XGMII level
* @LOOPBACK_XGXS: loopback within MAC at XGXS level
* @LOOPBACK_XAUI: loopback within MAC at XAUI level
* @LOOPBACK_PHYXS: loopback within PHY at PHYXS level
* @LOOPBACK_PCS: loopback within PHY at PCS level
* @LOOPBACK_PMAPMD: loopback within PHY at PMAPMD level
* @LOOPBACK_NETWORK: reflecting loopback (even further than furthest!)
*/
/* Please keep in order and up-to-date w.r.t the following two #defines */
enum efx_loopback_mode {
LOOPBACK_NONE = 0,
LOOPBACK_MAC = 1,
LOOPBACK_XGMII = 2,
LOOPBACK_XGXS = 3,
LOOPBACK_XAUI = 4,
LOOPBACK_PHY = 5,
LOOPBACK_PHYXS = 6,
LOOPBACK_PCS = 7,
LOOPBACK_PMAPMD = 8,
LOOPBACK_NETWORK = 9,
LOOPBACK_MAX
};
#define LOOPBACK_TEST_MAX LOOPBACK_PMAPMD
extern const char *efx_loopback_mode_names[];
#define LOOPBACK_MODE_NAME(mode) \
STRING_TABLE_LOOKUP(mode, efx_loopback_mode)
#define LOOPBACK_MODE(efx) \
LOOPBACK_MODE_NAME(efx->loopback_mode)
/* These loopbacks occur within the controller */
#define LOOPBACKS_10G_INTERNAL ((1 << LOOPBACK_XGMII)| \
(1 << LOOPBACK_XGXS) | \
(1 << LOOPBACK_XAUI))
#define LOOPBACK_MASK(_efx) \
(1 << (_efx)->loopback_mode)
#define LOOPBACK_INTERNAL(_efx) \
((LOOPBACKS_10G_INTERNAL & LOOPBACK_MASK(_efx)) ? 1 : 0)
#define LOOPBACK_OUT_OF(_from, _to, _mask) \
(((LOOPBACK_MASK(_from) & (_mask)) && \
((LOOPBACK_MASK(_to) & (_mask)) == 0)) ? 1 : 0)
/*****************************************************************************/
/**