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path: root/drivers/net/ethernet/intel/i40e/i40e_txrx.h
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Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_txrx.h')
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_txrx.h55
1 files changed, 14 insertions, 41 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.h b/drivers/net/ethernet/intel/i40e/i40e_txrx.h
index 36d37f31a287..768290dc6f48 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.h
@@ -18,10 +18,7 @@
#define I40E_ITR_DYNAMIC 0x8000 /* use top bit as a flag */
#define I40E_ITR_MASK 0x1FFE /* mask for ITR register value */
#define I40E_MIN_ITR 2 /* reg uses 2 usec resolution */
-#define I40E_ITR_100K 10 /* all values below must be even */
-#define I40E_ITR_50K 20
#define I40E_ITR_20K 50
-#define I40E_ITR_18K 60
#define I40E_ITR_8K 122
#define I40E_MAX_ITR 8160 /* maximum value as per datasheet */
#define ITR_TO_REG(setting) ((setting) & ~I40E_ITR_DYNAMIC)
@@ -52,9 +49,6 @@ static inline u16 i40e_intrl_usec_to_reg(int intrl)
else
return 0;
}
-#define I40E_INTRL_8K 125 /* 8000 ints/sec */
-#define I40E_INTRL_62K 16 /* 62500 ints/sec */
-#define I40E_INTRL_83K 12 /* 83333 ints/sec */
#define I40E_QUEUE_END_OF_LIST 0x7FF
@@ -73,7 +67,6 @@ enum i40e_dyn_idx_t {
/* these are indexes into ITRN registers */
#define I40E_RX_ITR I40E_IDX_ITR0
#define I40E_TX_ITR I40E_IDX_ITR1
-#define I40E_PE_ITR I40E_IDX_ITR2
/* Supported RSS offloads */
#define I40E_DEFAULT_RSS_HENA ( \
@@ -117,7 +110,7 @@ enum i40e_dyn_idx_t {
*/
#define I40E_RX_HDR_SIZE I40E_RXBUFFER_256
#define I40E_PACKET_HDR_PAD (ETH_HLEN + ETH_FCS_LEN + (VLAN_HLEN * 2))
-#define i40e_rx_desc i40e_32byte_rx_desc
+#define i40e_rx_desc i40e_16byte_rx_desc
#define I40E_RX_DMA_ATTR \
(DMA_ATTR_SKIP_CPU_SYNC | DMA_ATTR_WEAK_ORDERING)
@@ -193,13 +186,6 @@ static inline bool i40e_test_staterr(union i40e_rx_desc *rx_desc,
/* How many Rx Buffers do we bundle into one write to the hardware ? */
#define I40E_RX_BUFFER_WRITE 32 /* Must be power of 2 */
-#define I40E_RX_INCREMENT(r, i) \
- do { \
- (i)++; \
- if ((i) == (r)->count) \
- i = 0; \
- r->next_to_clean = i; \
- } while (0)
#define I40E_RX_NEXT_DESC(r, i, n) \
do { \
@@ -209,11 +195,6 @@ static inline bool i40e_test_staterr(union i40e_rx_desc *rx_desc,
(n) = I40E_RX_DESC((r), (i)); \
} while (0)
-#define I40E_RX_NEXT_DESC_PREFETCH(r, i, n) \
- do { \
- I40E_RX_NEXT_DESC((r), (i), (n)); \
- prefetch((n)); \
- } while (0)
#define I40E_MAX_BUFFER_TXD 8
#define I40E_MIN_TX_LEN 17
@@ -262,15 +243,12 @@ static inline unsigned int i40e_txd_use_count(unsigned int size)
/* Tx Descriptors needed, worst case */
#define DESC_NEEDED (MAX_SKB_FRAGS + 6)
-#define I40E_MIN_DESC_PENDING 4
#define I40E_TX_FLAGS_HW_VLAN BIT(1)
#define I40E_TX_FLAGS_SW_VLAN BIT(2)
#define I40E_TX_FLAGS_TSO BIT(3)
#define I40E_TX_FLAGS_IPV4 BIT(4)
#define I40E_TX_FLAGS_IPV6 BIT(5)
-#define I40E_TX_FLAGS_FCCRC BIT(6)
-#define I40E_TX_FLAGS_FSO BIT(7)
#define I40E_TX_FLAGS_TSYN BIT(8)
#define I40E_TX_FLAGS_FD_SB BIT(9)
#define I40E_TX_FLAGS_UDP_TUNNEL BIT(10)
@@ -296,17 +274,9 @@ struct i40e_tx_buffer {
struct i40e_rx_buffer {
dma_addr_t dma;
- union {
- struct {
- struct page *page;
- __u32 page_offset;
- __u16 pagecnt_bias;
- };
- struct {
- void *addr;
- u64 handle;
- };
- };
+ struct page *page;
+ __u32 page_offset;
+ __u16 pagecnt_bias;
};
struct i40e_queue_stats {
@@ -320,6 +290,7 @@ struct i40e_tx_queue_stats {
u64 tx_done_old;
u64 tx_linearize;
u64 tx_force_wb;
+ u64 tx_stopped;
int prev_pkt_ctr;
};
@@ -328,7 +299,9 @@ struct i40e_rx_queue_stats {
u64 alloc_page_failed;
u64 alloc_buff_failed;
u64 page_reuse_count;
- u64 realloc_count;
+ u64 page_alloc_count;
+ u64 page_waive_count;
+ u64 page_busy_count;
};
enum i40e_ring_state_t {
@@ -340,9 +313,7 @@ enum i40e_ring_state_t {
/* some useful defines for virtchannel interface, which
* is the only remaining user of header split
*/
-#define I40E_RX_DTYPE_NO_SPLIT 0
#define I40E_RX_DTYPE_HEADER_SPLIT 1
-#define I40E_RX_DTYPE_SPLIT_ALWAYS 2
#define I40E_RX_SPLIT_L2 0x1
#define I40E_RX_SPLIT_IP 0x2
#define I40E_RX_SPLIT_TCP_UDP 0x4
@@ -358,6 +329,7 @@ struct i40e_ring {
union {
struct i40e_tx_buffer *tx_bi;
struct i40e_rx_buffer *rx_bi;
+ struct xdp_buff **rx_bi_zc;
};
DECLARE_BITMAP(state, __I40E_RING_STATE_NBITS);
u16 queue_index; /* Queue number of ring */
@@ -378,6 +350,7 @@ struct i40e_ring {
/* used in interrupt processing */
u16 next_to_use;
u16 next_to_clean;
+ u16 xdp_tx_active;
u8 atr_sample_rate;
u8 atr_count;
@@ -417,9 +390,9 @@ struct i40e_ring {
*/
struct i40e_channel *ch;
+ u16 rx_offset;
struct xdp_rxq_info xdp_rxq;
- struct xdp_umem *xsk_umem;
- struct zero_copy_allocator zca; /* ZC allocator anchor */
+ struct xsk_buff_pool *xsk_pool;
} ____cacheline_internodealigned_in_smp;
static inline bool ring_uses_build_skb(struct i40e_ring *ring)
@@ -452,7 +425,6 @@ static inline void set_ring_xdp(struct i40e_ring *ring)
#define I40E_ITR_ADAPTIVE_MAX_USECS 0x007e
#define I40E_ITR_ADAPTIVE_LATENCY 0x8000
#define I40E_ITR_ADAPTIVE_BULK 0x0000
-#define ITR_IS_BULK(x) (!((x) & I40E_ITR_ADAPTIVE_LATENCY))
struct i40e_ring_container {
struct i40e_ring *ring; /* pointer to linked list of ring(s) */
@@ -481,6 +453,8 @@ static inline unsigned int i40e_rx_pg_order(struct i40e_ring *ring)
bool i40e_alloc_rx_buffers(struct i40e_ring *rxr, u16 cleaned_count);
netdev_tx_t i40e_lan_xmit_frame(struct sk_buff *skb, struct net_device *netdev);
+u16 i40e_lan_select_queue(struct net_device *netdev, struct sk_buff *skb,
+ struct net_device *sb_dev);
void i40e_clean_tx_ring(struct i40e_ring *tx_ring);
void i40e_clean_rx_ring(struct i40e_ring *rx_ring);
int i40e_setup_tx_descriptors(struct i40e_ring *tx_ring);
@@ -513,7 +487,6 @@ static inline u32 i40e_get_head(struct i40e_ring *tx_ring)
/**
* i40e_xmit_descriptor_count - calculate number of Tx descriptors needed
* @skb: send buffer
- * @tx_ring: ring to send buffer on
*
* Returns number of data descriptors needed for this skb. Returns 0 to indicate
* there is not enough descriptors available in this ring since we need at least