diff options
| author |   Björn Töpel <bjorn.topel@intel.com> | 2017-05-24 07:55:35 +0200 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2017-06-20 18:17:09 -0700 |
| commit | 74608d17fe29b2cddceea609033019b32e8a0650 (patch) | |
| tree | 3f169c473da3df18c6f34b5cd93ac86f47a18b19 /drivers/net/ethernet/intel/i40e/i40e_txrx.h | |
| parent | i40e: add XDP support for pass and drop actions (diff) | |
| download | linux-dev-74608d17fe29b2cddceea609033019b32e8a0650.tar.xz linux-dev-74608d17fe29b2cddceea609033019b32e8a0650.zip | |
i40e: add support for XDP_TX action
This patch adds proper XDP_TX action support. For each Tx ring, an
additional XDP Tx ring is allocated and setup. This version does the
DMA mapping in the fast-path, which will penalize performance for
IOMMU enabled systems. Further, debugfs support is not wired up for
the XDP Tx rings.
Signed-off-by: Björn Töpel <bjorn.topel@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/i40e/i40e_txrx.h')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_txrx.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.h b/drivers/net/ethernet/intel/i40e/i40e_txrx.h index 31f0b162996f..b288d58313a6 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.h +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.h @@ -396,6 +396,7 @@ struct i40e_ring { u16 flags; #define I40E_TXR_FLAGS_WB_ON_ITR BIT(0) #define I40E_RXR_FLAGS_BUILD_SKB_ENABLED BIT(1) +#define I40E_TXR_FLAGS_XDP BIT(2) /* stats structs */ struct i40e_queue_stats stats; @@ -438,6 +439,16 @@ static inline void clear_ring_build_skb_enabled(struct i40e_ring *ring) ring->flags &= ~I40E_RXR_FLAGS_BUILD_SKB_ENABLED; } +static inline bool ring_is_xdp(struct i40e_ring *ring) +{ + return !!(ring->flags & I40E_TXR_FLAGS_XDP); +} + +static inline void set_ring_xdp(struct i40e_ring *ring) +{ + ring->flags |= I40E_TXR_FLAGS_XDP; +} + enum i40e_latency_range { I40E_LOWEST_LATENCY = 0, I40E_LOW_LATENCY = 1, |