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sfc: Split STATE_READY in to STATE_NET_DOWN and STATE_NET_UP.

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[ Upstream commit 813cf9d1e753e1e0a247d3d685212a06141b483e ]

This patch splits the READY state in to NET_UP and NET_DOWN. This
is to prepare for future work to delay resource allocation until
interface up so that we can use resources more efficiently in
SRIOV environments, and also to lay the ground work for an extra
PROBED state where we don't create a network interface,
for VDPA operation.

Signed-off-by: Jonathan Cooper <jonathan.s.cooper@amd.com>
Acked-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: a80bb8e7233b ("sfc: Fix use-after-free due to selftest_work")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jonathan Cooper
2022-06-28 14:58:55 +01:00
committed by Greg Kroah-Hartman
parent b6dd232f63
commit 06a72bbf0d
6 changed files with 72 additions and 31 deletions
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6
drivers/net/ethernet/sfc/efx_common.h
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@@ -45,9 +45,7 @@ int efx_reconfigure_port(struct efx_nic *efx);
#define EFX_ASSERT_RESET_SERIALISED(efx) \
do { \
if ((efx->state == STATE_READY) || \
(efx->state == STATE_RECOVERY) || \
(efx->state == STATE_DISABLED)) \
if (efx->state != STATE_UNINIT) \
ASSERT_RTNL(); \
} while (0)
@@ -64,7 +62,7 @@ void efx_port_dummy_op_void(struct efx_nic *efx);
static inline int efx_check_disabled(struct efx_nic *efx)
{
if (efx->state == STATE_DISABLED || efx->state == STATE_RECOVERY) {
if (efx->state == STATE_DISABLED || efx_recovering(efx->state)) {
netif_err(efx, drv, efx->net_dev,
"device is disabled due to earlier errors\n");
return -EIO;