diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe.h')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h index f3515ce8894d..a2cc43d28888 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h @@ -91,6 +91,14 @@ #define IXGBE_RXBUFFER_4K 4096 #define IXGBE_MAX_RXBUFFER 16384 /* largest size for a single descriptor */ +#define IXGBE_SKB_PAD (NET_SKB_PAD + NET_IP_ALIGN) +#if (PAGE_SIZE < 8192) +#define IXGBE_MAX_FRAME_BUILD_SKB \ + (SKB_WITH_OVERHEAD(IXGBE_RXBUFFER_2K) - IXGBE_SKB_PAD) +#else +#define IGB_MAX_FRAME_BUILD_SKB IXGBE_RXBUFFER_2K +#endif + /* * NOTE: netdev_alloc_skb reserves up to 64 bytes, NET_IP_ALIGN means we * reserve 64 more, and skb_shared_info adds an additional 320 bytes more, @@ -227,6 +235,7 @@ struct ixgbe_rx_queue_stats { enum ixgbe_ring_state_t { __IXGBE_RX_3K_BUFFER, + __IXGBE_RX_BUILD_SKB_ENABLED, __IXGBE_RX_RSC_ENABLED, __IXGBE_RX_CSUM_UDP_ZERO_ERR, __IXGBE_RX_FCOE, @@ -236,6 +245,9 @@ enum ixgbe_ring_state_t { __IXGBE_HANG_CHECK_ARMED, }; +#define ring_uses_build_skb(ring) \ + test_bit(__IXGBE_RX_BUILD_SKB_ENABLED, &(ring)->state) + struct ixgbe_fwd_adapter { unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; struct net_device *netdev; @@ -347,6 +359,10 @@ static inline unsigned int ixgbe_rx_bufsz(struct ixgbe_ring *ring) { if (test_bit(__IXGBE_RX_3K_BUFFER, &ring->state)) return IXGBE_RXBUFFER_3K; +#if (PAGE_SIZE < 8192) + if (ring_uses_build_skb(ring)) + return IXGBE_MAX_FRAME_BUILD_SKB; +#endif return IXGBE_RXBUFFER_2K; } @@ -545,6 +561,7 @@ struct ixgbe_adapter { #define IXGBE_FLAG2_VLAN_PROMISC BIT(13) #define IXGBE_FLAG2_EEE_CAPABLE BIT(14) #define IXGBE_FLAG2_EEE_ENABLED BIT(15) +#define IXGBE_FLAG2_RX_LEGACY BIT(16) /* Tx fast path data */ int num_tx_queues; |