From 1e75c6cffe08886509e52ff496b96b8d32d76d88 Mon Sep 17 00:00:00 2001 From: Damjan Marion Date: Thu, 27 Dec 2018 16:18:55 +0100 Subject: avf: chained buffers rx support Change-Id: I76ba11441f0ab3d150cdd080919cda91eac60b01 Signed-off-by: Damjan Marion --- src/plugins/avf/avf.h | 25 +++++++++++++++++++++++-- 1 file changed, 23 insertions(+), 2 deletions(-) (limited to 'src/plugins/avf/avf.h') 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)) @@ -171,10 +172,18 @@ enum AVF_PROCESS_EVENT_AQ_INT = 3, } avf_process_event_t; +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 \ -- cgit 1.2.3-korg