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Functions
static tcp_header_t *	tcp_buffer_hdr (vlib_buffer_t *b)

static tcp_connection_t *	tcp_connection_get (u32 conn_index, u32 thread_index)

static tcp_connection_t *	tcp_connection_get_if_valid (u32 conn_index, u32 thread_index)

static void	tcp_connection_set_state (tcp_connection_t *tc, tcp_state_t state)

static tcp_connection_t *	tcp_listener_get (u32 tli)

static tcp_connection_t *	tcp_half_open_connection_get (u32 conn_index)

static u32	tcp_bytes_out (const tcp_connection_t *tc)
	Our estimate of the number of bytes that have left the network. More...

static u32	tcp_flight_size (const tcp_connection_t *tc)
	Our estimate of the number of bytes in flight (pipe size) More...

static u32	tcp_initial_cwnd (const tcp_connection_t *tc)
	Initial cwnd as per RFC5681. More...

static void	tcp_cwnd_accumulate (tcp_connection_t *tc, u32 thresh, u32 bytes)

static u32	tcp_loss_wnd (const tcp_connection_t *tc)

static u32	tcp_available_snd_wnd (const tcp_connection_t *tc)

static u32	tcp_available_output_snd_space (const tcp_connection_t *tc)

static u32	tcp_available_cc_snd_space (const tcp_connection_t *tc)
	Estimate of how many bytes we can still push into the network. More...

static u8	tcp_is_lost_fin (tcp_connection_t *tc)

static u32	tcp_time_now (void)

static u32	tcp_time_now_w_thread (u32 thread_index)

static u32	tcp_tstamp (tcp_connection_t *tc)
	Generate timestamp for tcp connection. More...

static f64	tcp_time_now_us (u32 thread_index)

static u32	tcp_set_time_now (tcp_worker_ctx_t *wrk)

static tcp_connection_t *	tcp_input_lookup_buffer (vlib_buffer_t b, u8 thread_index, u32 error, u8 is_ip4, u8 is_nolookup)

static void	tcp_init_w_buffer (tcp_connection_t tc, vlib_buffer_t b, u8 is_ip4)
	Initialize connection by gleaning network and rcv params from buffer. More...

static void	tcp_update_rto (tcp_connection_t *tc)

static u8	tcp_is_descheduled (tcp_connection_t *tc)

static void *	vlib_buffer_push_tcp_net_order (vlib_buffer_t *b, u16 sp, u16 dp, u32 seq, u32 ack, u8 tcp_hdr_opts_len, u8 flags, u16 wnd)
	Push TCP header to buffer. More...

static void *	vlib_buffer_push_tcp (vlib_buffer_t *b, u16 sp_net, u16 dp_net, u32 seq, u32 ack, u8 tcp_hdr_opts_len, u8 flags, u16 wnd)
	Push TCP header to buffer. More...

Function Documentation

◆ tcp_available_cc_snd_space()

static u32 tcp_available_cc_snd_space ( const tcp_connection_t * tc )

inlinestatic

Estimate of how many bytes we can still push into the network.

Definition at line 171 of file tcp_inlines.h.

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◆ tcp_available_output_snd_space()

static u32 tcp_available_output_snd_space ( const tcp_connection_t * tc )

inlinestatic

Definition at line 156 of file tcp_inlines.h.

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◆ tcp_available_snd_wnd()

static u32 tcp_available_snd_wnd ( const tcp_connection_t * tc )

inlinestatic

Definition at line 150 of file tcp_inlines.h.

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◆ tcp_buffer_hdr()

static tcp_header_t* tcp_buffer_hdr ( vlib_buffer_t * b )

inlinestatic

Definition at line 22 of file tcp_inlines.h.

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◆ tcp_bytes_out()

static u32 tcp_bytes_out ( const tcp_connection_t * tc )

inlinestatic

Our estimate of the number of bytes that have left the network.

Definition at line 81 of file tcp_inlines.h.

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◆ tcp_connection_get()

static tcp_connection_t* tcp_connection_get	(	u32	conn_index,
		u32	thread_index
	)

inlinestatic

Definition at line 30 of file tcp_inlines.h.

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◆ tcp_connection_get_if_valid()

static tcp_connection_t* tcp_connection_get_if_valid	(	u32	conn_index,
		u32	thread_index
	)

inlinestatic

Definition at line 39 of file tcp_inlines.h.

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◆ tcp_connection_set_state()

static void tcp_connection_set_state	(	tcp_connection_t *	tc,
		tcp_state_t	state
	)

inlinestatic

Definition at line 51 of file tcp_inlines.h.

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◆ tcp_cwnd_accumulate()

static void tcp_cwnd_accumulate	(	tcp_connection_t *	tc,
		u32	thresh,
		u32	bytes
	)

inlinestatic

Definition at line 130 of file tcp_inlines.h.

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◆ tcp_flight_size()

static u32 tcp_flight_size ( const tcp_connection_t * tc )

inlinestatic

Our estimate of the number of bytes in flight (pipe size)

Definition at line 94 of file tcp_inlines.h.

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◆ tcp_half_open_connection_get()

static tcp_connection_t* tcp_half_open_connection_get ( u32 conn_index )

inlinestatic

Definition at line 67 of file tcp_inlines.h.

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◆ tcp_init_w_buffer()

static void tcp_init_w_buffer	(	tcp_connection_t *	tc,
		vlib_buffer_t *	b,
		u8	is_ip4
	)

inlinestatic

Initialize connection by gleaning network and rcv params from buffer.

Parameters

tc	connection to initialize
b	buffer whose current data is pointing at ip
is_ip4	flag set to 1 if using ip4

Definition at line 328 of file tcp_inlines.h.

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◆ tcp_initial_cwnd()

static u32 tcp_initial_cwnd ( const tcp_connection_t * tc )

inlinestatic

Initial cwnd as per RFC5681.

Definition at line 110 of file tcp_inlines.h.

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◆ tcp_input_lookup_buffer()

static tcp_connection_t* tcp_input_lookup_buffer	(	vlib_buffer_t *	b,
		u8	thread_index,
		u32 *	error,
		u8	is_ip4,
		u8	is_nolookup
	)

inlinestatic

Definition at line 225 of file tcp_inlines.h.

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◆ tcp_is_descheduled()

static u8 tcp_is_descheduled ( tcp_connection_t * tc )

inlinestatic

Definition at line 380 of file tcp_inlines.h.

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◆ tcp_is_lost_fin()

static u8 tcp_is_lost_fin ( tcp_connection_t * tc )

inlinestatic

Definition at line 183 of file tcp_inlines.h.

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◆ tcp_listener_get()

static tcp_connection_t* tcp_listener_get ( u32 tli )

inlinestatic

Definition at line 58 of file tcp_inlines.h.

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◆ tcp_loss_wnd()

static u32 tcp_loss_wnd ( const tcp_connection_t * tc )

inlinestatic

Definition at line 143 of file tcp_inlines.h.

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◆ tcp_set_time_now()

static u32 tcp_set_time_now ( tcp_worker_ctx_t * wrk )

inlinestatic

Definition at line 219 of file tcp_inlines.h.

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◆ tcp_time_now()

static u32 tcp_time_now ( void )

inlinestatic

Definition at line 191 of file tcp_inlines.h.

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◆ tcp_time_now_us()

static f64 tcp_time_now_us ( u32 thread_index )

inlinestatic

Definition at line 213 of file tcp_inlines.h.

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◆ tcp_time_now_w_thread()

static u32 tcp_time_now_w_thread ( u32 thread_index )

inlinestatic

Definition at line 197 of file tcp_inlines.h.

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◆ tcp_tstamp()

static u32 tcp_tstamp ( tcp_connection_t * tc )

inlinestatic

Generate timestamp for tcp connection.

Definition at line 206 of file tcp_inlines.h.

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◆ tcp_update_rto()

static void tcp_update_rto ( tcp_connection_t * tc )

inlinestatic

Definition at line 373 of file tcp_inlines.h.

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◆ vlib_buffer_push_tcp()

static void* vlib_buffer_push_tcp	(	vlib_buffer_t *	b,
		u16	sp_net,
		u16	dp_net,
		u32	seq,
		u32	ack,
		u8	tcp_hdr_opts_len,
		u8	flags,
		u16	wnd
	)

inlinestatic

Push TCP header to buffer.

Parameters

b	- buffer to write the header to
sp_net	- source port net order
dp_net	- destination port net order
seq	- sequence number host order
ack	- ack number host order
tcp_hdr_opts_len	- header and options length in bytes
flags	- header flags
wnd	- window size

Returns: - pointer to start of TCP header

Definition at line 438 of file tcp_inlines.h.

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◆ vlib_buffer_push_tcp_net_order()

static void* vlib_buffer_push_tcp_net_order	(	vlib_buffer_t *	b,
		u16	sp,
		u16	dp,
		u32	seq,
		u32	ack,
		u8	tcp_hdr_opts_len,
		u8	flags,
		u16	wnd
	)

inlinestatic

Push TCP header to buffer.

Parameters

vm	- vlib_main
b	- buffer to write the header to
sp_net	- source port net order
dp_net	- destination port net order
seq	- sequence number net order
ack	- ack number net order
tcp_hdr_opts_len	- header and options length in bytes
flags	- header flags
wnd	- window size

Returns: - pointer to start of TCP header

Definition at line 401 of file tcp_inlines.h.

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Functions

Function Documentation

◆ tcp_available_cc_snd_space()

◆ tcp_available_output_snd_space()

◆ tcp_available_snd_wnd()

◆ tcp_buffer_hdr()

◆ tcp_bytes_out()

◆ tcp_connection_get()

◆ tcp_connection_get_if_valid()

◆ tcp_connection_set_state()

◆ tcp_cwnd_accumulate()

◆ tcp_flight_size()

◆ tcp_half_open_connection_get()

◆ tcp_init_w_buffer()

◆ tcp_initial_cwnd()

◆ tcp_input_lookup_buffer()

◆ tcp_is_descheduled()

◆ tcp_is_lost_fin()

◆ tcp_listener_get()

◆ tcp_loss_wnd()

◆ tcp_set_time_now()

◆ tcp_time_now()

◆ tcp_time_now_us()

◆ tcp_time_now_w_thread()

◆ tcp_tstamp()

◆ tcp_update_rto()

◆ vlib_buffer_push_tcp()

◆ vlib_buffer_push_tcp_net_order()