diff options
| author |   Damjan Marion <damarion@cisco.com> | 2018-12-27 16:18:55 +0100 |
|---|---|---|
| committer |   Florin Coras <florin.coras@gmail.com> | 2018-12-29 00:11:29 +0000 |
| commit | 1e75c6cffe08886509e52ff496b96b8d32d76d88 (patch) | |
| tree | 88585bfad55498cfbcb45d8e106338f67331e767 /src/plugins/avf/avf.h | |
| parent | 9703ce4628db9ae0f0337369cb1cde2506dd6e62 (diff) | |
avf: chained buffers rx support
Change-Id: I76ba11441f0ab3d150cdd080919cda91eac60b01
Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/plugins/avf/avf.h')
| -rw-r--r-- | src/plugins/avf/avf.h | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/src/plugins/avf/avf.h b/src/plugins/avf/avf.h index 57fc4d1e0e0..a1bfa0e752a 100644 --- a/src/plugins/avf/avf.h +++ b/src/plugins/avf/avf.h @@ -28,6 +28,7 @@ #define AVF_RXD_ERROR_SHIFT 19 #define AVF_RXD_PTYPE_SHIFT 30 #define AVF_RXD_LEN_SHIFT 38 +#define AVF_RX_MAX_DESC_IN_CHAIN 5 #define AVF_RXD_ERROR_IPE (1ULL << (AVF_RXD_ERROR_SHIFT + 3)) #define AVF_RXD_ERROR_L4E (1ULL << (AVF_RXD_ERROR_SHIFT + 4)) @@ -173,8 +174,16 @@ enum typedef struct { + u64 qw1s[AVF_RX_MAX_DESC_IN_CHAIN - 1]; + u32 buffers[AVF_RX_MAX_DESC_IN_CHAIN - 1]; +} avf_rx_tail_t; + +typedef struct +{ CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); - u32 *to_free; + vlib_buffer_t *bufs[AVF_RX_VECTOR_SZ]; + u64 qw1s[AVF_RX_VECTOR_SZ]; + avf_rx_tail_t tails[AVF_RX_VECTOR_SZ]; vlib_buffer_t buffer_template; } avf_per_thread_data_t; @@ -274,11 +283,23 @@ avf_reg_flush (avf_device_t * ad) asm volatile ("":::"memory"); } +static_always_inline int +avf_rxd_is_not_eop (avf_rx_desc_t * d) +{ + return (d->qword[1] & AVF_RXD_STATUS_EOP) == 0; +} + +static_always_inline int +avf_rxd_is_not_dd (avf_rx_desc_t * d) +{ + return (d->qword[1] & AVF_RXD_STATUS_DD) == 0; +} + typedef struct { u32 next_index; u32 hw_if_index; - u64 qw1; + u64 qw1s[AVF_RX_MAX_DESC_IN_CHAIN]; } avf_input_trace_t; #define foreach_avf_tx_func_error \ |