diff options
| author |   Florin Coras <fcoras@cisco.com> | 2019-06-20 12:18:31 -0700 |
|---|---|---|
| committer |   John Lo <loj@cisco.com> | 2019-06-21 00:57:08 +0000 |
| commit | 07beadedea9b23d97e41b3090590326c18151c66 (patch) | |
| tree | f0e126d5ff5947d85cdc390e26e0cee8ebb8ef1b | |
| parent | 2a688c0120274c075f960feffa74e825b55e78d0 (diff) | |
tcp: add option to pass opaque to next node
Type:feature
Change-Id: I0b72954a6ae6a05abe0761cb4f227072863f127b
Signed-off-by: Florin Coras <fcoras@cisco.com>
| -rw-r--r-- | src/vnet/buffer.h | 6 | ||||
| -rw-r--r-- | src/vnet/tcp/tcp.h | 3 | ||||
| -rw-r--r-- | src/vnet/tcp/tcp_output.c | 6 |
3 files changed, 12 insertions, 3 deletions
diff --git a/src/vnet/buffer.h b/src/vnet/buffer.h index 812fe7478c0..324c903db73 100644 --- a/src/vnet/buffer.h +++ b/src/vnet/buffer.h @@ -327,7 +327,11 @@ typedef struct struct { u32 connection_index; - u32 seq_number; + union + { + u32 seq_number; + u32 next_node_opaque; + }; u32 seq_end; u32 ack_number; u16 hdr_offset; /**< offset relative to ip hdr */ diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h index 132ec13892d..bc1e3c0f813 100644 --- a/src/vnet/tcp/tcp.h +++ b/src/vnet/tcp/tcp.h @@ -323,7 +323,8 @@ typedef struct _tcp_connection u32 tx_fifo_size; /**< Tx fifo size. Used to constrain cwnd */ u32 psh_seq; /**< Add psh header for seg that includes this */ - u32 out_next_index; /**< Can be used to control next node in output */ + u32 next_node_index; /**< Can be used to control next node in output */ + u32 next_node_opaque; /**< Opaque to pass to next node */ } tcp_connection_t; /* *INDENT-OFF* */ diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c index abd674d94be..1adac95731f 100644 --- a/src/vnet/tcp/tcp_output.c +++ b/src/vnet/tcp/tcp_output.c @@ -2063,7 +2063,11 @@ tcp_output_handle_packet (tcp_connection_t * tc0, vlib_buffer_t * b0, } /* If next_index is not drop use it */ - *next0 = tc0->out_next_index ? tc0->out_next_index : *next0; + if (tc0->next_node_index) + { + *next0 = tc0->next_node_index; + vnet_buffer (b0)->tcp.next_node_opaque = tc0->next_node_opaque; + } vnet_buffer (b0)->sw_if_index[VLIB_TX] = tc0->c_fib_index; vnet_buffer (b0)->sw_if_index[VLIB_RX] = 0; |