diff options
| author | Maciej Fijalkowski <maciej.fijalkowski@intel.com> | 2019-11-04 20:38:56 +0300 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2019-11-04 21:23:59 +0300 |
| commit | efc2214b6047b6f5b4ca53151eba62521b9452d6 (patch) | |
| tree | 4b671b302491c71557d6cc2288f20f223d620b9f /drivers/net/ethernet/intel/ice/ice.h | |
| parent | e75d1b2c37319998c9d9756ba4ea50c731f56e12 (diff) | |
| download | linux-efc2214b6047b6f5b4ca53151eba62521b9452d6.tar.xz | |
ice: Add support for XDP
Add support for XDP. Implement ndo_bpf and ndo_xdp_xmit. Upon load of
an XDP program, allocate additional Tx rings for dedicated XDP use.
The following actions are supported: XDP_TX, XDP_DROP, XDP_REDIRECT,
XDP_PASS, and XDP_ABORTED.
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice.h')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice.h | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h index 0b5aa8feae26..b2451f768707 100644 --- a/drivers/net/ethernet/intel/ice/ice.h +++ b/drivers/net/ethernet/intel/ice/ice.h @@ -29,8 +29,10 @@ #include <linux/ip.h> #include <linux/sctp.h> #include <linux/ipv6.h> +#include <linux/pkt_sched.h> #include <linux/if_bridge.h> #include <linux/ctype.h> +#include <linux/bpf.h> #include <linux/avf/virtchnl.h> #include <net/ipv6.h> #include "ice_devids.h" @@ -78,8 +80,7 @@ extern const char ice_drv_ver[]; #define ICE_DFLT_NETIF_M (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK) -#define ICE_MAX_MTU (ICE_AQ_SET_MAC_FRAME_SIZE_MAX - \ - (ETH_HLEN + ETH_FCS_LEN + (VLAN_HLEN * 2))) +#define ICE_MAX_MTU (ICE_AQ_SET_MAC_FRAME_SIZE_MAX - ICE_ETH_PKT_HDR_PAD) #define ICE_UP_TABLE_TRANSLATE(val, i) \ (((val) << ICE_AQ_VSI_UP_TABLE_UP##i##_S) & \ @@ -282,6 +283,10 @@ struct ice_vsi { u16 num_rx_desc; u16 num_tx_desc; struct ice_tc_cfg tc_cfg; + struct bpf_prog *xdp_prog; + struct ice_ring **xdp_rings; /* XDP ring array */ + u16 num_xdp_txq; /* Used XDP queues */ + u8 xdp_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ } ____cacheline_internodealigned_in_smp; /* struct that defines an interrupt vector */ @@ -425,6 +430,16 @@ static inline struct ice_pf *ice_netdev_to_pf(struct net_device *netdev) return np->vsi->back; } +static inline bool ice_is_xdp_ena_vsi(struct ice_vsi *vsi) +{ + return !!vsi->xdp_prog; +} + +static inline void ice_set_ring_xdp(struct ice_ring *ring) +{ + ring->flags |= ICE_TX_FLAGS_RING_XDP; +} + /** * ice_get_main_vsi - Get the PF VSI * @pf: PF instance @@ -451,6 +466,11 @@ int ice_up(struct ice_vsi *vsi); int ice_down(struct ice_vsi *vsi); int ice_vsi_cfg(struct ice_vsi *vsi); struct ice_vsi *ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi); +int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog); +int ice_destroy_xdp_rings(struct ice_vsi *vsi); +int +ice_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames, + u32 flags); int ice_set_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size); int ice_get_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size); void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size); |