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authorDamjan Marion <damarion@cisco.com>2018-12-27 16:18:55 +0100
committerFlorin Coras <florin.coras@gmail.com>2018-12-29 00:11:29 +0000
commit1e75c6cffe08886509e52ff496b96b8d32d76d88 (patch)
tree88585bfad55498cfbcb45d8e106338f67331e767 /src/plugins/avf/avf.h
parent9703ce4628db9ae0f0337369cb1cde2506dd6e62 (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.h25
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 \