diff options
| author | Matteo Croce <mcroce@microsoft.com> | 2020-07-02 16:12:42 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-07-03 14:46:24 -0700 |
| commit | 07dd0a7aae7f72af7cec18909581c2bb570edddc (patch) | |
| tree | 4a1f6deda275bd64c16a007f8303b9e0cc23fff9 /drivers/net/ethernet/marvell/mvpp2/mvpp2.h | |
| parent | b27db2274ba8a62512603ba874c1e992fb7de1f4 (diff) | |
mvpp2: add basic XDP support
Add XDP native support.
By now only XDP_DROP, XDP_PASS and XDP_REDIRECT
verdicts are supported.
Co-developed-by: Sven Auhagen <sven.auhagen@voleatech.de>
Signed-off-by: Sven Auhagen <sven.auhagen@voleatech.de>
Signed-off-by: Matteo Croce <mcroce@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/marvell/mvpp2/mvpp2.h')
| -rw-r--r-- | drivers/net/ethernet/marvell/mvpp2/mvpp2.h | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h index 4c16c9e9c1e5..f351e41c9da6 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h @@ -16,6 +16,18 @@ #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)) @@ -629,10 +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) @@ -690,9 +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 @@ -913,6 +927,8 @@ struct mvpp2_port { unsigned int ntxqs; struct net_device *dev; + struct bpf_prog *xdp_prog; + int pkt_size; /* Per-CPU port control */ @@ -932,6 +948,8 @@ 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; |