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authorSteven Luong <sluong@cisco.com>2019-02-25 12:10:53 -0800
committerDamjan Marion <dmarion@me.com>2019-02-26 11:30:42 +0000
commitdd3737284d5021e2e3bd0413b61aab14797e365c (patch)
tree4c538ed6e44118102b9f2af9a2de5697e4d2a3d9 /src/plugins/vmxnet3/vmxnet3.h
parent5ecd5a5d159332a964dd840fcdabe5f8d3111b0e (diff)
vmxnet3: lro/tso and rx checksum
Add lro/tso and rx checksum support. lro/tso is configured via startup.conf vmxnet3 { lro } It is disable by default due to not all versions of ESXi supports it. Change-Id: Icf224ff528884ecd9e655b4fcf4481194e8c5a63 Signed-off-by: Steven Luong <sluong@cisco.com>
Diffstat (limited to 'src/plugins/vmxnet3/vmxnet3.h')
-rw-r--r--src/plugins/vmxnet3/vmxnet3.h96
1 files changed, 83 insertions, 13 deletions
diff --git a/src/plugins/vmxnet3/vmxnet3.h b/src/plugins/vmxnet3/vmxnet3.h
index ffde9f0c6f8..084fbc5d3b0 100644
--- a/src/plugins/vmxnet3/vmxnet3.h
+++ b/src/plugins/vmxnet3/vmxnet3.h
@@ -57,6 +57,19 @@ enum
#undef _
};
+#define foreach_vmxnet3_feature_flags \
+ _(0, RXCSUM, "rx checksum") \
+ _(1, RSS, "RSS") \
+ _(2, RXVLAN, "rx VLAN") \
+ _(3, LRO, "LRO")
+
+enum
+{
+#define _(a, b, c) VMXNET3_F_##b = (1 << a),
+ foreach_vmxnet3_feature_flags
+#undef _
+};
+
#define VMXNET3_TXQ_MAX 8
#define VMXNET3_TX_START(vd) ((vd)->queues)
#define VMXNET3_RX_START(vd) \
@@ -86,14 +99,41 @@ enum
#define VMXNET3_RXF_BTYPE (1 << 14) /* rx body buffer type */
#define VMXNET3_RXF_GEN (1 << 31) /* rx generation */
+
+#define VMXNET3_RXCF_CKSUM_MASK (0xFFFF) /* rx checksum mask */
+#define VMXNET3_RXCF_TUC (1 << 16) /* rx udp/tcp checksum correct */
+#define VMXNET3_RXCF_UDP (1 << 17) /* rx udp packet */
+#define VMXNET3_RXCF_TCP (1 << 18) /* rx tcp packet */
+#define VMXNET3_RXCF_IPC (1 << 19) /* rx ip checksum correct */
#define VMXNET3_RXCF_IP6 (1 << 20) /* rx ip6 packet */
#define VMXNET3_RXCF_IP4 (1 << 21) /* rx ip4 packet */
+#define VMXNET3_RXCF_CT (0x7F << 24) /* rx completion type 24-30, 7 bits */
#define VMXNET3_RXCF_GEN (1 << 31) /* rx completion generation */
+
#define VMXNET3_RXC_INDEX (0xFFF) /* rx completion index mask */
+#define foreach_vmxnet3_offload \
+ _(0, NONE, "none") \
+ _(2, CSUM, "checksum") \
+ _(3, TSO, "tso")
+
+enum
+{
+#define _(a, b, c) VMXNET3_OM_##b = (a),
+ foreach_vmxnet3_offload
+#undef _
+};
+
+/* tx desc flag 0 */
#define VMXNET3_TXF_GEN (1 << 14) /* tx generation */
+
+/* tx desc flag 1 */
+#define VMXNET3_TXF_OM(x) ((x) << 10) /* tx offload mode */
+#define VMXNET3_TXF_MSSCOF(x) ((x) << 18) /* tx MSS checksum offset, flags */
#define VMXNET3_TXF_EOP (1 << 12) /* tx end of packet */
#define VMXNET3_TXF_CQ (1 << 13) /* tx completion request */
+
+/* tx completion flag */
#define VMXNET3_TXCF_GEN (1 << 31) /* tx completion generation */
#define VMXNET3_TXC_INDEX (0xFFF) /* tx completion index mask */
@@ -116,10 +156,17 @@ enum
#define VMXNET3_GOS_TYPE_LINUX (1 << 2)
#define VMXNET3_RXCL_LEN_MASK (0x3FFF) // 14 bits
#define VMXNET3_RXCL_ERROR (1 << 14)
-#define VMXNET3_RXCI_EOP (1 << 14)
-#define VMXNET3_RXCI_SOP (1 << 15)
-#define foreach_vmxnet3_device_flags \
+#define VMXNET3_RXCI_EOP (1 << 14) /* end of packet */
+#define VMXNET3_RXCI_SOP (1 << 15) /* start of packet */
+#define VMXNET3_RXCI_CNC (1 << 30) /* Checksum not calculated */
+
+#define VMXNET3_RXCOMP_TYPE (3 << 24) /* RX completion descriptor */
+#define VMXNET3_RXCOMP_TYPE_LRO (4 << 24) /* RX completion descriptor for LRO */
+
+#define VMXNET3_RXECF_MSS_MASK (0xFFFF) // 16 bits
+
+#define foreach_vmxnet3_device_flags \
_(0, INITIALIZED, "initialized") \
_(1, ERROR, "error") \
_(2, ADMIN_UP, "admin-up") \
@@ -203,9 +250,8 @@ typedef CLIB_PACKED (struct
typedef CLIB_PACKED (struct
{
- u32 mode;
- u16 multicast_len;
- u16 pad; u64 multicast_address; u8 vlan_filter[512];
+ u32 mode; u16 multicast_len; u16 pad;
+ u64 multicast_address; u8 vlan_filter[512];
}) vmxnet3_rx_filter_config;
typedef CLIB_PACKED (struct
@@ -246,9 +292,9 @@ typedef CLIB_PACKED (struct
u64 data_address;
u64 comp_address; u64 driver_data_address; u64 pad;
u32 num_desc;
- u32 num_data;
- u32 num_comp; u32 driver_data_len; u8 intr_index;
- u8 pad1[7];
+ u32 num_data; u32 num_comp; u32 driver_data_len;
+ u8 intr_index;
+ u8 pad1; u16 data_address_size; u8 pad2[4];
}) vmxnet3_tx_queue_config;
typedef CLIB_PACKED (struct
@@ -278,10 +324,11 @@ typedef CLIB_PACKED (struct
typedef CLIB_PACKED (struct
{
u64 desc_address[2];
- u64 comp_address; u64 driver_data_address; u64 pad;
- u32 num_desc[2];
- u32 num_comp; u32 driver_data_len; u8 intr_index;
- u8 pad1[7];
+ u64 comp_address; u64 driver_data_address;
+ u64 data_address; u32 num_desc[2];
+ u32 num_comp;
+ u32 driver_data_len; u8 intr_index; u8 pad1;
+ u16 data_address_size; u8 pad2[4];
}) vmxnet3_rx_queue_config;
typedef CLIB_PACKED (struct
@@ -357,6 +404,27 @@ typedef CLIB_PACKED (struct
}) vmxnet3_rx_comp;
/*
+ * flags:
+ * mss -- bits 0 - 15
+ * tcp/udp checksum correct-- bit 16
+ * udp packet -- bit 17
+ * tcp packet -- bit 18
+ * ip checksum correct -- bit 19
+ * ipv6 -- bit 20
+ * ipv4 -- bit 21
+ * ip fragment -- bit 22
+ * frame crc correct -- bit 23
+ * completion type -- bits 24-30
+ * generation -- bit 31
+ */
+typedef CLIB_PACKED (struct
+ {
+ u32 dword1;
+ u8 seg_cnt; u8 dup_ack_cnt; u16 ts_delta; u32 dword2;
+ u32 flags;
+ }) vmxnet3_rx_comp_ext;
+
+/*
* index:
* TX desc index -- bits 0-11
* ext1 -- bits 12-31
@@ -486,6 +554,7 @@ typedef struct
void *queues;
u32 link_speed;
+ u8 lro_enable;
vmxnet3_tx_stats *tx_stats;
vmxnet3_rx_stats *rx_stats;
} vmxnet3_device_t;
@@ -495,6 +564,7 @@ typedef struct
vmxnet3_device_t *devices;
u16 msg_id_base;
vlib_log_class_t log_default;
+ u8 lro_configured;
} vmxnet3_main_t;
extern vmxnet3_main_t vmxnet3_main;