diff options
| author | Michael Chan <michael.chan@broadcom.com> | 2016-12-29 12:13:31 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-12-29 14:37:23 -0500 |
| commit | b356a2e729cec145a648d22ba5686357c009da25 (patch) | |
| tree | ac6747c209288305486ea3fb12b21ed79f912ab1 /drivers/net/ethernet/broadcom/bnxt/bnxt.h | |
| parent | ae7cd93e20a135cf6e2021de92b37f2988aec1de (diff) | |
bnxt_en: Remove busy poll logic in the driver.
Use native NAPI polling instead. The next patch will complete the work
by switching to use napi_complete_done()
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt.h')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.h | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 16defe9ececc..fddc316170b2 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -654,21 +654,9 @@ struct bnxt_napi { struct bnxt_rx_ring_info *rx_ring; struct bnxt_tx_ring_info *tx_ring; -#ifdef CONFIG_NET_RX_BUSY_POLL - atomic_t poll_state; -#endif bool in_reset; }; -#ifdef CONFIG_NET_RX_BUSY_POLL -enum bnxt_poll_state_t { - BNXT_STATE_IDLE = 0, - BNXT_STATE_NAPI, - BNXT_STATE_POLL, - BNXT_STATE_DISABLE, -}; -#endif - struct bnxt_irq { irq_handler_t handler; unsigned int vector; @@ -1141,93 +1129,6 @@ struct bnxt { ((offsetof(struct tx_port_stats, counter) + \ sizeof(struct rx_port_stats) + 512) / 8) -#ifdef CONFIG_NET_RX_BUSY_POLL -static inline void bnxt_enable_poll(struct bnxt_napi *bnapi) -{ - atomic_set(&bnapi->poll_state, BNXT_STATE_IDLE); -} - -/* called from the NAPI poll routine to get ownership of a bnapi */ -static inline bool bnxt_lock_napi(struct bnxt_napi *bnapi) -{ - int rc = atomic_cmpxchg(&bnapi->poll_state, BNXT_STATE_IDLE, - BNXT_STATE_NAPI); - - return rc == BNXT_STATE_IDLE; -} - -static inline void bnxt_unlock_napi(struct bnxt_napi *bnapi) -{ - atomic_set(&bnapi->poll_state, BNXT_STATE_IDLE); -} - -/* called from the busy poll routine to get ownership of a bnapi */ -static inline bool bnxt_lock_poll(struct bnxt_napi *bnapi) -{ - int rc = atomic_cmpxchg(&bnapi->poll_state, BNXT_STATE_IDLE, - BNXT_STATE_POLL); - - return rc == BNXT_STATE_IDLE; -} - -static inline void bnxt_unlock_poll(struct bnxt_napi *bnapi) -{ - atomic_set(&bnapi->poll_state, BNXT_STATE_IDLE); -} - -static inline bool bnxt_busy_polling(struct bnxt_napi *bnapi) -{ - return atomic_read(&bnapi->poll_state) == BNXT_STATE_POLL; -} - -static inline void bnxt_disable_poll(struct bnxt_napi *bnapi) -{ - int old; - - while (1) { - old = atomic_cmpxchg(&bnapi->poll_state, BNXT_STATE_IDLE, - BNXT_STATE_DISABLE); - if (old == BNXT_STATE_IDLE) - break; - usleep_range(500, 5000); - } -} - -#else - -static inline void bnxt_enable_poll(struct bnxt_napi *bnapi) -{ -} - -static inline bool bnxt_lock_napi(struct bnxt_napi *bnapi) -{ - return true; -} - -static inline void bnxt_unlock_napi(struct bnxt_napi *bnapi) -{ -} - -static inline bool bnxt_lock_poll(struct bnxt_napi *bnapi) -{ - return false; -} - -static inline void bnxt_unlock_poll(struct bnxt_napi *bnapi) -{ -} - -static inline bool bnxt_busy_polling(struct bnxt_napi *bnapi) -{ - return false; -} - -static inline void bnxt_disable_poll(struct bnxt_napi *bnapi) -{ -} - -#endif - #define I2C_DEV_ADDR_A0 0xa0 #define I2C_DEV_ADDR_A2 0xa2 #define SFP_EEPROM_SFF_8472_COMP_ADDR 0x5e |