diff options
| author | Charles McLachlan | 2019-10-31 10:23:10 +0000 |
|---|---|---|
| committer | David S. Miller | 2019-10-31 14:14:53 -0700 |
| commit | 8c42350116fe4ad23a5a813eba367355cfe7cff5 (patch) | |
| tree | 89adf3d5d692af9fc49304e6aaffd01c9d0a30b8 /drivers/net/ethernet/sfc/net_driver.h | |
| parent | d170eb69d40e9e5fccb8d57edbbacb97427dcf1c (diff) | |
sfc: support encapsulation of xdp_frames in efx_tx_buffer
Add a field to efx_tx_buffer so that we can track xdp_frames. Add a
flag so that buffers that contain xdp_frames can be identified and
passed to xdp_return_frame.
Signed-off-by: Charles McLachlan <cmclachlan@solarflare.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/sfc/net_driver.h')
| -rw-r--r-- | drivers/net/ethernet/sfc/net_driver.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h index 284a1b047ac2..7394d901e021 100644 --- a/drivers/net/ethernet/sfc/net_driver.h +++ b/drivers/net/ethernet/sfc/net_driver.h @@ -27,6 +27,7 @@ #include <linux/i2c.h> #include <linux/mtd/mtd.h> #include <net/busy_poll.h> +#include <net/xdp.h> #include "enum.h" #include "bitfield.h" @@ -136,7 +137,8 @@ struct efx_special_buffer { * struct efx_tx_buffer - buffer state for a TX descriptor * @skb: When @flags & %EFX_TX_BUF_SKB, the associated socket buffer to be * freed when descriptor completes - * @option: When @flags & %EFX_TX_BUF_OPTION, a NIC-specific option descriptor. + * @xdpf: When @flags & %EFX_TX_BUF_XDP, the XDP frame information; its @data + * member is the associated buffer to drop a page reference on. * @dma_addr: DMA address of the fragment. * @flags: Flags for allocation and DMA mapping type * @len: Length of this fragment. @@ -146,7 +148,10 @@ struct efx_special_buffer { * Only valid if @unmap_len != 0. */ struct efx_tx_buffer { - const struct sk_buff *skb; + union { + const struct sk_buff *skb; + struct xdp_frame *xdpf; + }; union { efx_qword_t option; dma_addr_t dma_addr; @@ -160,6 +165,7 @@ struct efx_tx_buffer { #define EFX_TX_BUF_SKB 2 /* buffer is last part of skb */ #define EFX_TX_BUF_MAP_SINGLE 8 /* buffer was mapped with dma_map_single() */ #define EFX_TX_BUF_OPTION 0x10 /* empty buffer for option descriptor */ +#define EFX_TX_BUF_XDP 0x20 /* buffer was sent with XDP */ /** * struct efx_tx_queue - An Efx TX queue |