diff options
| author |   Michael Chan <michael.chan@broadcom.com> | 2017-02-06 16:55:36 -0500 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-02-07 13:30:58 -0500 |
| commit | c61fb99cae51958a9096d8540c8c05e74cfa7e59 (patch) | |
| tree | cc6709a1220c71163a11029b7c0b61d0217e39a2 /drivers/net/ethernet/broadcom/bnxt/bnxt.h | |
| parent | bnxt_en: Parameterize RX buffer offsets. (diff) | |
| download | linux-dev-c61fb99cae51958a9096d8540c8c05e74cfa7e59.tar.xz linux-dev-c61fb99cae51958a9096d8540c8c05e74cfa7e59.zip | |
bnxt_en: Add RX page mode support.
This mode is to support XDP. In this mode, each rx ring is configured
with page sized buffers for linear placement of each packet. MTU will be
restricted to what the page sized buffers can support.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index d8fc87110e5e..2144a0e024a2 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -416,6 +416,10 @@ struct rx_tpa_end_cmp_ext { #define BNXT_RX_PAGE_SIZE (1 << BNXT_RX_PAGE_SHIFT) +#define BNXT_MAX_MTU 9500 +#define BNXT_MAX_PAGE_MODE_MTU \ + ((unsigned int)PAGE_SIZE - VLAN_ETH_HLEN - NET_IP_ALIGN) + #define BNXT_MIN_PKT_SIZE 52 #define BNXT_NUM_TESTS(bp) 0 @@ -967,6 +971,7 @@ struct bnxt { #define BNXT_FLAG_ROCE_CAP (BNXT_FLAG_ROCEV1_CAP | \ BNXT_FLAG_ROCEV2_CAP) #define BNXT_FLAG_NO_AGG_RINGS 0x20000 + #define BNXT_FLAG_RX_PAGE_MODE 0x40000 #define BNXT_FLAG_CHIP_NITRO_A0 0x1000000 #define BNXT_FLAG_ALL_CONFIG_FEATS (BNXT_FLAG_TPA | \ @@ -978,6 +983,7 @@ struct bnxt { #define BNXT_NPAR(bp) ((bp)->port_partition_type) #define BNXT_SINGLE_PF(bp) (BNXT_PF(bp) && !BNXT_NPAR(bp)) #define BNXT_CHIP_TYPE_NITRO_A0(bp) ((bp)->flags & BNXT_FLAG_CHIP_NITRO_A0) +#define BNXT_RX_PAGE_MODE(bp) ((bp)->flags & BNXT_FLAG_RX_PAGE_MODE) struct bnxt_en_dev *edev; struct bnxt_en_dev * (*ulp_probe)(struct net_device *); @@ -1170,6 +1176,7 @@ struct bnxt { #define BNXT_MAX_PHY_I2C_RESP_SIZE 64 void bnxt_set_ring_params(struct bnxt *); +int bnxt_set_rx_skb_mode(struct bnxt *bp, bool page_mode); void bnxt_hwrm_cmd_hdr_init(struct bnxt *, void *, u16, u16, u16); int _hwrm_send_message(struct bnxt *, void *, u32, int); int hwrm_send_message(struct bnxt *, void *, u32, int); |