From ea08eeccae9297f7aabd2ef7f0c2517ac4549acc Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:18:26 +0000
Subject: [PATCH] write in 30M
---
kernel/drivers/net/ethernet/sfc/net_driver.h | 50 ++++++++++++++++++++++++++++++++++++++++++++++----
1 files changed, 46 insertions(+), 4 deletions(-)
diff --git a/kernel/drivers/net/ethernet/sfc/net_driver.h b/kernel/drivers/net/ethernet/sfc/net_driver.h
index 8aecb4b..39f9792 100644
--- a/kernel/drivers/net/ethernet/sfc/net_driver.h
+++ b/kernel/drivers/net/ethernet/sfc/net_driver.h
@@ -627,12 +627,54 @@
#define EFX_INT_MODE_USE_MSI(x) (((x)->interrupt_mode) <= EFX_INT_MODE_MSI)
enum nic_state {
- STATE_UNINIT = 0, /* device being probed/removed or is frozen */
- STATE_READY = 1, /* hardware ready and netdev registered */
- STATE_DISABLED = 2, /* device disabled due to hardware errors */
- STATE_RECOVERY = 3, /* device recovering from PCI error */
+ STATE_UNINIT = 0, /* device being probed/removed */
+ STATE_NET_DOWN, /* hardware probed and netdev registered */
+ STATE_NET_UP, /* ready for traffic */
+ STATE_DISABLED, /* device disabled due to hardware errors */
+
+ STATE_RECOVERY = 0x100,/* recovering from PCI error */
+ STATE_FROZEN = 0x200, /* frozen by power management */
};
+static inline bool efx_net_active(enum nic_state state)
+{
+ return state == STATE_NET_DOWN || state == STATE_NET_UP;
+}
+
+static inline bool efx_frozen(enum nic_state state)
+{
+ return state & STATE_FROZEN;
+}
+
+static inline bool efx_recovering(enum nic_state state)
+{
+ return state & STATE_RECOVERY;
+}
+
+static inline enum nic_state efx_freeze(enum nic_state state)
+{
+ WARN_ON(!efx_net_active(state));
+ return state | STATE_FROZEN;
+}
+
+static inline enum nic_state efx_thaw(enum nic_state state)
+{
+ WARN_ON(!efx_frozen(state));
+ return state & ~STATE_FROZEN;
+}
+
+static inline enum nic_state efx_recover(enum nic_state state)
+{
+ WARN_ON(!efx_net_active(state));
+ return state | STATE_RECOVERY;
+}
+
+static inline enum nic_state efx_recovered(enum nic_state state)
+{
+ WARN_ON(!efx_recovering(state));
+ return state & ~STATE_RECOVERY;
+}
+
/* Forward declaration */
struct efx_nic;
--
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