diff options
Diffstat (limited to 'src/vnet/buffer.h')
| -rw-r--r-- | src/vnet/buffer.h | 108 |
1 files changed, 71 insertions, 37 deletions
diff --git a/src/vnet/buffer.h b/src/vnet/buffer.h index 27aeb3b42ea..fb734d5acde 100644 --- a/src/vnet/buffer.h +++ b/src/vnet/buffer.h @@ -46,34 +46,34 @@ * Flags that are set in the high order bits of ((vlib_buffer*)b)->flags * */ -#define foreach_vnet_buffer_flag \ - _( 1, L4_CHECKSUM_COMPUTED, "l4-cksum-computed", 1) \ - _( 2, L4_CHECKSUM_CORRECT, "l4-cksum-correct", 1) \ - _( 3, VLAN_2_DEEP, "vlan-2-deep", 1) \ - _( 4, VLAN_1_DEEP, "vlan-1-deep", 1) \ - _( 5, SPAN_CLONE, "span-clone", 1) \ - _( 6, LOOP_COUNTER_VALID, "loop-counter-valid", 0) \ - _( 7, LOCALLY_ORIGINATED, "local", 1) \ - _( 8, IS_IP4, "ip4", 1) \ - _( 9, IS_IP6, "ip6", 1) \ - _(10, OFFLOAD_IP_CKSUM, "offload-ip-cksum", 1) \ - _(11, OFFLOAD_TCP_CKSUM, "offload-tcp-cksum", 1) \ - _(12, OFFLOAD_UDP_CKSUM, "offload-udp-cksum", 1) \ - _(13, IS_NATED, "natted", 1) \ - _(14, L2_HDR_OFFSET_VALID, "l2_hdr_offset_valid", 0) \ - _(15, L3_HDR_OFFSET_VALID, "l3_hdr_offset_valid", 0) \ - _(16, L4_HDR_OFFSET_VALID, "l4_hdr_offset_valid", 0) \ - _(17, FLOW_REPORT, "flow-report", 1) \ - _(18, IS_DVR, "dvr", 1) \ - _(19, QOS_DATA_VALID, "qos-data-valid", 0) \ - _(20, GSO, "gso", 0) \ - _(21, AVAIL1, "avail1", 1) \ - _(22, AVAIL2, "avail2", 1) \ - _(23, AVAIL3, "avail3", 1) \ - _(24, AVAIL4, "avail4", 1) \ - _(25, AVAIL5, "avail5", 1) \ - _(26, AVAIL6, "avail6", 1) \ - _(27, AVAIL7, "avail7", 1) +#define foreach_vnet_buffer_flag \ + _ (1, L4_CHECKSUM_COMPUTED, "l4-cksum-computed", 1) \ + _ (2, L4_CHECKSUM_CORRECT, "l4-cksum-correct", 1) \ + _ (3, VLAN_2_DEEP, "vlan-2-deep", 1) \ + _ (4, VLAN_1_DEEP, "vlan-1-deep", 1) \ + _ (5, SPAN_CLONE, "span-clone", 1) \ + _ (6, LOOP_COUNTER_VALID, "loop-counter-valid", 0) \ + _ (7, LOCALLY_ORIGINATED, "local", 1) \ + _ (8, IS_IP4, "ip4", 1) \ + _ (9, IS_IP6, "ip6", 1) \ + _ (10, OFFLOAD, "offload", 0) \ + _ (11, IS_NATED, "natted", 1) \ + _ (12, L2_HDR_OFFSET_VALID, "l2_hdr_offset_valid", 0) \ + _ (13, L3_HDR_OFFSET_VALID, "l3_hdr_offset_valid", 0) \ + _ (14, L4_HDR_OFFSET_VALID, "l4_hdr_offset_valid", 0) \ + _ (15, FLOW_REPORT, "flow-report", 1) \ + _ (16, IS_DVR, "dvr", 1) \ + _ (17, QOS_DATA_VALID, "qos-data-valid", 0) \ + _ (18, GSO, "gso", 0) \ + _ (19, AVAIL1, "avail1", 1) \ + _ (20, AVAIL2, "avail2", 1) \ + _ (21, AVAIL3, "avail3", 1) \ + _ (22, AVAIL4, "avail4", 1) \ + _ (23, AVAIL5, "avail5", 1) \ + _ (24, AVAIL6, "avail6", 1) \ + _ (25, AVAIL7, "avail7", 1) \ + _ (26, AVAIL8, "avail8", 1) \ + _ (27, AVAIL9, "avail9", 1) /* * Please allocate the FIRST available bit, redefine @@ -81,10 +81,10 @@ * VNET_BUFFER_FLAGS_ALL_AVAIL definition. */ -#define VNET_BUFFER_FLAGS_ALL_AVAIL \ - (VNET_BUFFER_F_AVAIL1 | VNET_BUFFER_F_AVAIL2 | VNET_BUFFER_F_AVAIL3 | \ - VNET_BUFFER_F_AVAIL4 | VNET_BUFFER_F_AVAIL5 | VNET_BUFFER_F_AVAIL6 | \ - VNET_BUFFER_F_AVAIL7) +#define VNET_BUFFER_FLAGS_ALL_AVAIL \ + (VNET_BUFFER_F_AVAIL1 | VNET_BUFFER_F_AVAIL2 | VNET_BUFFER_F_AVAIL3 | \ + VNET_BUFFER_F_AVAIL4 | VNET_BUFFER_F_AVAIL5 | VNET_BUFFER_F_AVAIL6 | \ + VNET_BUFFER_F_AVAIL7 | VNET_BUFFER_F_AVAIL8 | VNET_BUFFER_F_AVAIL9) #define VNET_BUFFER_FLAGS_VLAN_BITS \ (VNET_BUFFER_F_VLAN_1_DEEP | VNET_BUFFER_F_VLAN_2_DEEP) @@ -420,6 +420,21 @@ STATIC_ASSERT (sizeof (vnet_buffer_opaque_t) <= #define vnet_buffer(b) ((vnet_buffer_opaque_t *) (b)->opaque) +#define foreach_vnet_buffer_offload_flag \ + _ (0, IP_CKSUM, "offload-ip-cksum", 1) \ + _ (1, TCP_CKSUM, "offload-tcp-cksum", 1) \ + _ (2, UDP_CKSUM, "offload-udp-cksum", 1) \ + _ (3, OUTER_IP_CKSUM, "offload-outer-ip-cksum", 1) \ + _ (4, OUTER_TCP_CKSUM, "offload-outer-tcp-cksum", 1) \ + _ (5, OUTER_UDP_CKSUM, "offload-outer-udp-cksum", 1) + +enum +{ +#define _(bit, name, s, v) VNET_BUFFER_OFFLOAD_F_##name = (1 << bit), + foreach_vnet_buffer_offload_flag +#undef _ +}; + /* Full cache line (64 bytes) of additional space */ typedef struct { @@ -452,12 +467,15 @@ typedef struct * in case the egress interface is not GSO-enabled - then we need to perform * the segmentation, and use this value to cut the payload appropriately. */ - u16 gso_size; - /* size of L4 prototol header */ - u16 gso_l4_hdr_sz; + struct + { + u16 gso_size; + /* size of L4 prototol header */ + u16 gso_l4_hdr_sz; - /* The union below has a u64 alignment, so this space is unused */ - u32 __unused2[1]; + /* offload flags */ + u32 oflags; + }; struct { @@ -501,6 +519,22 @@ STATIC_ASSERT (sizeof (vnet_buffer_opaque2_t) <= format_function_t format_vnet_buffer; +format_function_t format_vnet_buffer_offload; + +static_always_inline void +vnet_buffer_offload_flags_set (vlib_buffer_t *b, u32 oflags) +{ + vnet_buffer2 (b)->oflags |= oflags; + b->flags |= VNET_BUFFER_F_OFFLOAD; +} + +static_always_inline void +vnet_buffer_offload_flags_clear (vlib_buffer_t *b, u32 oflags) +{ + vnet_buffer2 (b)->oflags &= ~oflags; + if (0 == vnet_buffer2 (b)->oflags) + b->flags &= ~VNET_BUFFER_F_OFFLOAD; +} #endif /* included_vnet_buffer_h */ |