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Diffstat (limited to 'drivers/net/ethernet/marvell/mvpp2/mvpp2.h')
-rw-r--r--drivers/net/ethernet/marvell/mvpp2/mvpp2.h57
1 files changed, 51 insertions, 6 deletions
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h
index 543a310ec102..32753cc771bf 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h
@@ -15,6 +15,19 @@
#include <linux/phy.h>
#include <linux/phylink.h>
#include <net/flow_offload.h>
+#include <net/page_pool.h>
+#include <linux/bpf.h>
+#include <net/xdp.h>
+
+/* The PacketOffset field is measured in units of 32 bytes and is 3 bits wide,
+ * so the maximum offset is 7 * 32 = 224
+ */
+#define MVPP2_SKB_HEADROOM min(max(XDP_PACKET_HEADROOM, NET_SKB_PAD), 224)
+
+#define MVPP2_XDP_PASS 0
+#define MVPP2_XDP_DROPPED BIT(0)
+#define MVPP2_XDP_TX BIT(1)
+#define MVPP2_XDP_REDIR BIT(2)
/* Fifo Registers */
#define MVPP2_RX_DATA_FIFO_SIZE_REG(port) (0x00 + 4 * (port))
@@ -628,10 +641,12 @@
ALIGN((mtu) + MVPP2_MH_SIZE + MVPP2_VLAN_TAG_LEN + \
ETH_HLEN + ETH_FCS_LEN, cache_line_size())
-#define MVPP2_RX_BUF_SIZE(pkt_size) ((pkt_size) + NET_SKB_PAD)
+#define MVPP2_RX_BUF_SIZE(pkt_size) ((pkt_size) + MVPP2_SKB_HEADROOM)
#define MVPP2_RX_TOTAL_SIZE(buf_size) ((buf_size) + MVPP2_SKB_SHINFO_SIZE)
#define MVPP2_RX_MAX_PKT_SIZE(total_size) \
- ((total_size) - NET_SKB_PAD - MVPP2_SKB_SHINFO_SIZE)
+ ((total_size) - MVPP2_SKB_HEADROOM - MVPP2_SKB_SHINFO_SIZE)
+
+#define MVPP2_MAX_RX_BUF_SIZE (PAGE_SIZE - MVPP2_SKB_SHINFO_SIZE - MVPP2_SKB_HEADROOM)
#define MVPP2_BIT_TO_BYTE(bit) ((bit) / 8)
#define MVPP2_BIT_TO_WORD(bit) ((bit) / 32)
@@ -689,9 +704,9 @@ enum mvpp2_prs_l3_cast {
#define MVPP2_BM_COOKIE_POOL_OFFS 8
#define MVPP2_BM_COOKIE_CPU_OFFS 24
-#define MVPP2_BM_SHORT_FRAME_SIZE 512
-#define MVPP2_BM_LONG_FRAME_SIZE 2048
-#define MVPP2_BM_JUMBO_FRAME_SIZE 10240
+#define MVPP2_BM_SHORT_FRAME_SIZE 704 /* frame size 128 */
+#define MVPP2_BM_LONG_FRAME_SIZE 2240 /* frame size 1664 */
+#define MVPP2_BM_JUMBO_FRAME_SIZE 10432 /* frame size 9856 */
/* BM short pool packet size
* These value assure that for SWF the total number
* of bytes allocated for each buffer will be 512
@@ -820,6 +835,9 @@ struct mvpp2 {
/* RSS Indirection tables */
struct mvpp2_rss_table *rss_tables[MVPP22_N_RSS_TABLES];
+
+ /* page_pool allocator */
+ struct page_pool *page_pool[MVPP2_PORT_MAX_RXQ];
};
struct mvpp2_pcpu_stats {
@@ -828,6 +846,14 @@ struct mvpp2_pcpu_stats {
u64 rx_bytes;
u64 tx_packets;
u64 tx_bytes;
+ /* XDP */
+ u64 xdp_redirect;
+ u64 xdp_pass;
+ u64 xdp_drop;
+ u64 xdp_xmit;
+ u64 xdp_xmit_err;
+ u64 xdp_tx;
+ u64 xdp_tx_err;
};
/* Per-CPU port control */
@@ -909,6 +935,8 @@ struct mvpp2_port {
unsigned int ntxqs;
struct net_device *dev;
+ struct bpf_prog *xdp_prog;
+
int pkt_size;
/* Per-CPU port control */
@@ -928,6 +956,8 @@ struct mvpp2_port {
struct mvpp2_pcpu_stats __percpu *stats;
u64 *ethtool_stats;
+ unsigned long state;
+
/* Per-port work and its lock to gather hardware statistics */
struct mutex gather_stats_lock;
struct delayed_work stats_work;
@@ -1060,9 +1090,20 @@ struct mvpp2_rx_desc {
};
};
+enum mvpp2_tx_buf_type {
+ MVPP2_TYPE_SKB,
+ MVPP2_TYPE_XDP_TX,
+ MVPP2_TYPE_XDP_NDO,
+};
+
struct mvpp2_txq_pcpu_buf {
+ enum mvpp2_tx_buf_type type;
+
/* Transmitted SKB */
- struct sk_buff *skb;
+ union {
+ struct xdp_frame *xdpf;
+ struct sk_buff *skb;
+ };
/* Physical address of transmitted buffer */
dma_addr_t dma;
@@ -1161,6 +1202,10 @@ struct mvpp2_rx_queue {
/* Port's logic RXQ number to which physical RXQ is mapped */
int logic_rxq;
+
+ /* XDP memory accounting */
+ struct xdp_rxq_info xdp_rxq_short;
+ struct xdp_rxq_info xdp_rxq_long;
};
struct mvpp2_bm_pool {