return s;
}
+static_always_inline u16
+tso_segment_ipip_tunnel_fixup (vlib_main_t * vm,
+ vnet_interface_per_thread_data_t * ptd,
+ vlib_buffer_t * sb0,
+ generic_header_offset_t * gho)
+{
+ u16 n_tx_bufs = vec_len (ptd->split_buffers);
+ u16 i = 0, n_tx_bytes = 0;
+
+ while (i < n_tx_bufs)
+ {
+ vlib_buffer_t *b0 = vlib_get_buffer (vm, ptd->split_buffers[i]);
+ vnet_get_outer_header (b0, gho);
+ clib_memcpy_fast (vlib_buffer_get_current (b0),
+ vlib_buffer_get_current (sb0), gho->outer_hdr_sz);
+
+ ip4_header_t *ip4 =
+ (ip4_header_t *) (vlib_buffer_get_current (b0) +
+ gho->outer_l3_hdr_offset);
+ ip6_header_t *ip6 =
+ (ip6_header_t *) (vlib_buffer_get_current (b0) +
+ gho->outer_l3_hdr_offset);
+
+ if (gho->gho_flags & GHO_F_OUTER_IP4)
+ {
+ ip4->length =
+ clib_host_to_net_u16 (b0->current_length -
+ gho->outer_l3_hdr_offset);
+ ip4->checksum = ip4_header_checksum (ip4);
+ }
+ else if (gho->gho_flags & GHO_F_OUTER_IP6)
+ {
+ ip6->payload_length =
+ clib_host_to_net_u16 (b0->current_length -
+ gho->outer_l4_hdr_offset);
+ }
+
+ n_tx_bytes += gho->outer_hdr_sz;
+ i++;
+ }
+ return n_tx_bytes;
+
+}
+
static_always_inline void
tso_segment_vxlan_tunnel_headers_fixup (vlib_main_t * vm, vlib_buffer_t * b,
generic_header_offset_t * gho)
tso_init_buf_from_template_base (vlib_buffer_t * nb0, vlib_buffer_t * b0,
u32 flags, u16 length)
{
+ /* copying objects from cacheline 0 */
nb0->current_data = b0->current_data;
- nb0->total_length_not_including_first_buffer = 0;
+ nb0->current_length = length;
nb0->flags = VLIB_BUFFER_TOTAL_LENGTH_VALID | flags;
- nb0->trace_handle = b0->trace_handle;
+ nb0->flow_id = b0->flow_id;
+ nb0->error = b0->error;
+ nb0->current_config_index = b0->current_config_index;
clib_memcpy_fast (&nb0->opaque, &b0->opaque, sizeof (nb0->opaque));
+
+ /* copying objects from cacheline 1 */
+ nb0->trace_handle = b0->trace_handle;
+ nb0->total_length_not_including_first_buffer = 0;
+
+ /* copying data */
clib_memcpy_fast (vlib_buffer_get_current (nb0),
vlib_buffer_get_current (b0), length);
- nb0->current_length = length;
}
static_always_inline void
static_always_inline void
tso_fixup_segmented_buf (vlib_main_t * vm, vlib_buffer_t * b0, u8 tcp_flags,
- int is_ip6, generic_header_offset_t * gho,
- u32 do_csums)
+ int is_ip6, generic_header_offset_t * gho)
{
ip4_header_t *ip4 =
(ip4_header_t *) (vlib_buffer_get_current (b0) + gho->l3_hdr_offset);
if (is_ip6)
{
ip6->payload_length =
- clib_host_to_net_u16 (b0->current_length -
- (gho->l4_hdr_offset - gho->l2_hdr_offset));
- if (do_csums && (b0->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM))
+ clib_host_to_net_u16 (b0->current_length - gho->l4_hdr_offset);
+ if (gho->gho_flags & GHO_F_TCP)
{
int bogus = 0;
tcp->checksum = 0;
else
{
ip4->length =
- clib_host_to_net_u16 (b0->current_length -
- (gho->l3_hdr_offset - gho->l2_hdr_offset));
- if (do_csums)
+ clib_host_to_net_u16 (b0->current_length - gho->l3_hdr_offset);
+ if (gho->gho_flags & GHO_F_IP4)
+ ip4->checksum = ip4_header_checksum (ip4);
+ if (gho->gho_flags & GHO_F_TCP)
{
- if (b0->flags & VNET_BUFFER_F_OFFLOAD_IP_CKSUM)
- ip4->checksum = ip4_header_checksum (ip4);
- if (b0->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM)
- {
- tcp->checksum = 0;
- tcp->checksum = ip4_tcp_udp_compute_checksum (vm, b0, ip4);
- }
- b0->flags &= ~VNET_BUFFER_F_OFFLOAD_TCP_CKSUM;
- b0->flags &= ~VNET_BUFFER_F_OFFLOAD_IP_CKSUM;
+ tcp->checksum = 0;
+ tcp->checksum = ip4_tcp_udp_compute_checksum (vm, b0, ip4);
}
+ b0->flags &= ~VNET_BUFFER_F_OFFLOAD_TCP_CKSUM;
+ b0->flags &= ~VNET_BUFFER_F_OFFLOAD_IP_CKSUM;
+ }
+
+ if ((gho->gho_flags & GHO_F_TUNNEL) == 0)
+ {
+ u32 adj_index0 = vnet_buffer (b0)->ip.adj_index[VLIB_TX];
+
+ ip_adjacency_t *adj0 = adj_get (adj_index0);
+
+ if (adj0->lookup_next_index == IP_LOOKUP_NEXT_MIDCHAIN &&
+ adj0->sub_type.midchain.fixup_func)
+ /* calls e.g. ipip44_fixup */
+ adj0->sub_type.midchain.fixup_func
+ (vm, adj0, b0, adj0->sub_type.midchain.fixup_data);
}
}
static_always_inline u32
tso_segment_buffer (vlib_main_t * vm, vnet_interface_per_thread_data_t * ptd,
u32 sbi0, vlib_buffer_t * sb0,
- generic_header_offset_t * gho, u32 n_bytes_b0, int is_ip6,
- u32 do_csums)
+ generic_header_offset_t * gho, u32 n_bytes_b0, int is_ip6)
{
u32 n_tx_bytes = 0;
u16 gso_size = vnet_buffer2 (sb0)->gso_size;
src_ptr = vlib_buffer_get_current (sb0) + l234_sz + first_data_size;
src_left = sb0->current_length - l234_sz - first_data_size;
- tso_fixup_segmented_buf (vm, b0, tcp_flags_no_fin_psh, is_ip6, gho,
- do_csums);
+ tso_fixup_segmented_buf (vm, b0, tcp_flags_no_fin_psh, is_ip6, gho);
/* grab a second buffer and prepare the loop */
ASSERT (dbi < vec_len (ptd->split_buffers));
{
n_tx_bytes += cdb0->current_length;
tso_fixup_segmented_buf (vm, cdb0, tcp_flags_no_fin_psh, is_ip6,
- gho, do_csums);
+ gho);
ASSERT (dbi < vec_len (ptd->split_buffers));
cdb0 = vlib_get_buffer (vm, ptd->split_buffers[dbi++]);
tso_init_buf_from_template (vm, cdb0, b0, l234_sz,
}
}
- tso_fixup_segmented_buf (vm, cdb0, save_tcp_flags, is_ip6, gho,
- do_csums);
+ tso_fixup_segmented_buf (vm, cdb0, save_tcp_flags, is_ip6, gho);
n_tx_bytes += cdb0->current_length;
}
vlib_frame_t * frame,
vnet_main_t * vnm,
vnet_hw_interface_t * hi,
- int is_ip6, int do_segmentation)
+ int is_l2, int is_ip4, int is_ip6, int do_segmentation)
{
u32 *to_next;
u32 next_index = node->cached_next_index;
t0->flags = b[0]->flags & VNET_BUFFER_F_GSO;
t0->gso_size = vnet_buffer2 (b[0])->gso_size;
t0->gso_l4_hdr_sz = vnet_buffer2 (b[0])->gso_l4_hdr_sz;
- vnet_generic_header_offset_parser (b[0], &t0->gho);
+ vnet_generic_header_offset_parser (b[0], &t0->gho, is_l2,
+ is_ip4, is_ip6);
}
if (b[1]->flags & VLIB_BUFFER_IS_TRACED)
{
t1->flags = b[1]->flags & VNET_BUFFER_F_GSO;
t1->gso_size = vnet_buffer2 (b[1])->gso_size;
t1->gso_l4_hdr_sz = vnet_buffer2 (b[1])->gso_l4_hdr_sz;
- vnet_generic_header_offset_parser (b[1], &t1->gho);
+ vnet_generic_header_offset_parser (b[1], &t1->gho, is_l2,
+ is_ip4, is_ip6);
}
if (b[2]->flags & VLIB_BUFFER_IS_TRACED)
{
t2->flags = b[2]->flags & VNET_BUFFER_F_GSO;
t2->gso_size = vnet_buffer2 (b[2])->gso_size;
t2->gso_l4_hdr_sz = vnet_buffer2 (b[2])->gso_l4_hdr_sz;
- vnet_generic_header_offset_parser (b[2], &t2->gho);
+ vnet_generic_header_offset_parser (b[2], &t2->gho, is_l2,
+ is_ip4, is_ip6);
}
if (b[3]->flags & VLIB_BUFFER_IS_TRACED)
{
t3->flags = b[3]->flags & VNET_BUFFER_F_GSO;
t3->gso_size = vnet_buffer2 (b[3])->gso_size;
t3->gso_l4_hdr_sz = vnet_buffer2 (b[3])->gso_l4_hdr_sz;
- vnet_generic_header_offset_parser (b[3], &t3->gho);
+ vnet_generic_header_offset_parser (b[3], &t3->gho, is_l2,
+ is_ip4, is_ip6);
}
from += 4;
vnet_hw_interface_t *hi0;
u32 next0 = 0;
u32 do_segmentation0 = 0;
- u32 do_csums = 0;
swif0 = vnet_buffer (b[0])->sw_if_index[VLIB_TX];
if (PREDICT_FALSE (hi->sw_if_index != swif0))
t0->flags = b[0]->flags & VNET_BUFFER_F_GSO;
t0->gso_size = vnet_buffer2 (b[0])->gso_size;
t0->gso_l4_hdr_sz = vnet_buffer2 (b[0])->gso_l4_hdr_sz;
- vnet_generic_header_offset_parser (b[0], &t0->gho);
+ vnet_generic_header_offset_parser (b[0], &t0->gho, is_l2,
+ is_ip4, is_ip6);
}
if (do_segmentation0)
u32 n_bytes_b0 = vlib_buffer_length_in_chain (vm, b[0]);
u32 n_tx_bytes = 0;
- vnet_generic_header_offset_parser (b[0], &gho);
+ vnet_generic_header_offset_parser (b[0], &gho, is_l2,
+ is_ip4, is_ip6);
if (PREDICT_FALSE (gho.gho_flags & GHO_F_TUNNEL))
{
if (PREDICT_FALSE
- ((gho.gho_flags & GHO_F_VXLAN_TUNNEL) == 0))
+ (gho.gho_flags & (GHO_F_GRE_TUNNEL |
+ GHO_F_GENEVE_TUNNEL)))
{
/* not supported yet */
drop_one_buffer_and_count (vm, vnm, node, from - 1,
vnet_get_inner_header (b[0], &gho);
n_bytes_b0 -= gho.outer_hdr_sz;
- /*
- * In case of tunnel encapsulated packet, we will
- * calculate the checksums for segmented inner packets.
- */
- do_csums = 1;
is_ip6 = (gho.gho_flags & GHO_F_IP6) != 0;
}
n_tx_bytes =
tso_segment_buffer (vm, ptd, bi0, b[0], &gho, n_bytes_b0,
- is_ip6, do_csums);
+ is_ip6);
if (PREDICT_FALSE (n_tx_bytes == 0))
{
continue;
}
+
if (PREDICT_FALSE (gho.gho_flags & GHO_F_VXLAN_TUNNEL))
{
vnet_get_outer_header (b[0], &gho);
n_tx_bytes +=
tso_segment_vxlan_tunnel_fixup (vm, ptd, b[0], &gho);
}
+ else
+ if (PREDICT_FALSE
+ (gho.gho_flags & (GHO_F_IPIP_TUNNEL |
+ GHO_F_IPIP6_TUNNEL)))
+ {
+ vnet_get_outer_header (b[0], &gho);
+ n_tx_bytes +=
+ tso_segment_ipip_tunnel_fixup (vm, ptd, b[0], &gho);
+ }
u16 n_tx_bufs = vec_len (ptd->split_buffers);
u32 *from_seg = ptd->split_buffers;
{
u32 sbi0;
vlib_buffer_t *sb0;
- if (n_tx_bufs >= n_left_to_next)
- {
- while (n_left_to_next > 0)
- {
- sbi0 = to_next[0] = from_seg[0];
- sb0 = vlib_get_buffer (vm, sbi0);
- ASSERT (sb0->current_length > 0);
- to_next += 1;
- from_seg += 1;
- n_left_to_next -= 1;
- n_tx_bufs -= 1;
- vnet_feature_next (&next0, sb0);
- vlib_validate_buffer_enqueue_x1 (vm, node,
- next_index,
- to_next,
- n_left_to_next,
- sbi0, next0);
- }
- vlib_put_next_frame (vm, node, next_index,
- n_left_to_next);
- vlib_get_new_next_frame (vm, node, next_index,
- to_next, n_left_to_next);
- }
- while (n_tx_bufs > 0)
+ while (n_tx_bufs > 0 && n_left_to_next > 0)
{
sbi0 = to_next[0] = from_seg[0];
sb0 = vlib_get_buffer (vm, sbi0);
from_seg += 1;
n_left_to_next -= 1;
n_tx_bufs -= 1;
+ next0 = 0;
vnet_feature_next (&next0, sb0);
vlib_validate_buffer_enqueue_x1 (vm, node,
next_index,
n_left_to_next,
sbi0, next0);
}
+ vlib_put_next_frame (vm, node, next_index,
+ n_left_to_next);
+ if (n_tx_bufs > 0)
+ vlib_get_next_frame (vm, node, next_index,
+ to_next, n_left_to_next);
}
/* The buffers were enqueued. Reset the length */
_vec_len (ptd->split_buffers) = 0;
static_always_inline uword
vnet_gso_inline (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame, int is_ip6)
+ vlib_node_runtime_t * node, vlib_frame_t * frame, int is_l2,
+ int is_ip4, int is_ip6)
{
vnet_main_t *vnm = vnet_get_main ();
vnet_hw_interface_t *hi;
if (hi->flags & VNET_HW_INTERFACE_FLAG_SUPPORTS_GSO)
return vnet_gso_node_inline (vm, node, frame, vnm, hi,
- is_ip6, /* do_segmentation */ 0);
+ is_l2, is_ip4, is_ip6,
+ /* do_segmentation */ 0);
else
return vnet_gso_node_inline (vm, node, frame, vnm, hi,
- is_ip6, /* do_segmentation */ 1);
+ is_l2, is_ip4, is_ip6,
+ /* do_segmentation */ 1);
}
return 0;
}
VLIB_NODE_FN (gso_l2_ip4_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- return vnet_gso_inline (vm, node, frame, 0 /* ip6 */ );
+ return vnet_gso_inline (vm, node, frame, 1 /* l2 */ , 1 /* ip4 */ ,
+ 0 /* ip6 */ );
}
VLIB_NODE_FN (gso_l2_ip6_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- return vnet_gso_inline (vm, node, frame, 1 /* ip6 */ );
+ return vnet_gso_inline (vm, node, frame, 1 /* l2 */ , 0 /* ip4 */ ,
+ 1 /* ip6 */ );
}
VLIB_NODE_FN (gso_ip4_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- return vnet_gso_inline (vm, node, frame, 0 /* ip6 */ );
+ return vnet_gso_inline (vm, node, frame, 0 /* l2 */ , 1 /* ip4 */ ,
+ 0 /* ip6 */ );
}
VLIB_NODE_FN (gso_ip6_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- return vnet_gso_inline (vm, node, frame, 1 /* ip6 */ );
+ return vnet_gso_inline (vm, node, frame, 0 /* l2 */ , 0 /* ip4 */ ,
+ 1 /* ip6 */ );
}
/* *INDENT-OFF* */
VNET_FEATURE_INIT (gso_ip4_node, static) = {
.arc_name = "ip4-output",
.node_name = "gso-ip4",
- .runs_after = VNET_FEATURES ("ipsec4-output-feature"),
- .runs_before = VNET_FEATURES ("interface-output"),
+ .runs_before = VNET_FEATURES ("esp4-encrypt-tun","ipsec4-output-feature"),
};
VNET_FEATURE_INIT (gso_ip6_node, static) = {
.arc_name = "ip6-output",
.node_name = "gso-ip6",
- .runs_after = VNET_FEATURES ("ipsec6-output-feature"),
- .runs_before = VNET_FEATURES ("interface-output"),
+ .runs_before = VNET_FEATURES ("esp6-encrypt-tun","ipsec6-output-feature"),
};
/*
Code Review / vpp.git / blobdiff