diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe.h')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe.h | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h index a604552fa634..4a69823e6abd 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h @@ -351,6 +351,7 @@ struct ixgbe_ring { }; u16 rx_offset; struct xdp_rxq_info xdp_rxq; + spinlock_t tx_lock; /* used in XDP mode */ struct xsk_buff_pool *xsk_pool; u16 ring_idx; /* {rx,tx,xdp}_ring back reference idx */ u16 rx_buf_len; @@ -375,11 +376,13 @@ enum ixgbe_ring_f_enum { #define IXGBE_MAX_FCOE_INDICES 8 #define MAX_RX_QUEUES (IXGBE_MAX_FDIR_INDICES + 1) #define MAX_TX_QUEUES (IXGBE_MAX_FDIR_INDICES + 1) -#define MAX_XDP_QUEUES (IXGBE_MAX_FDIR_INDICES + 1) +#define IXGBE_MAX_XDP_QS (IXGBE_MAX_FDIR_INDICES + 1) #define IXGBE_MAX_L2A_QUEUES 4 #define IXGBE_BAD_L2A_QUEUE 3 #define IXGBE_MAX_MACVLANS 63 +DECLARE_STATIC_KEY_FALSE(ixgbe_xdp_locking_key); + struct ixgbe_ring_feature { u16 limit; /* upper limit on feature indices */ u16 indices; /* current value of indices */ @@ -629,7 +632,7 @@ struct ixgbe_adapter { /* XDP */ int num_xdp_queues; - struct ixgbe_ring *xdp_ring[MAX_XDP_QUEUES]; + struct ixgbe_ring *xdp_ring[IXGBE_MAX_XDP_QS]; unsigned long *af_xdp_zc_qps; /* tracks AF_XDP ZC enabled rings */ /* TX */ @@ -772,6 +775,22 @@ struct ixgbe_adapter { #endif /* CONFIG_IXGBE_IPSEC */ }; +static inline int ixgbe_determine_xdp_q_idx(int cpu) +{ + if (static_key_enabled(&ixgbe_xdp_locking_key)) + return cpu % IXGBE_MAX_XDP_QS; + else + return cpu; +} + +static inline +struct ixgbe_ring *ixgbe_determine_xdp_ring(struct ixgbe_adapter *adapter) +{ + int index = ixgbe_determine_xdp_q_idx(smp_processor_id()); + + return adapter->xdp_ring[index]; +} + static inline u8 ixgbe_max_rss_indices(struct ixgbe_adapter *adapter) { switch (adapter->hw.mac.type) { |