Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 4 files:
- net/ipv4/syncookies.c, line 483
- net/ipv4/tcp_minisocks.c, line 460
- net/ipv4/tcp_output.c, line 4147
- net/ipv6/syncookies.c, line 264
Smatch caller information:
net/ipv4/syncookies.c cookie_v4_check() -> tcp_select_initial_window()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sk | 4096-ptr_max |
| PARAM_VALUE | 3 | rcv_wnd | 4096-ptr_max |
| PARAM_VALUE | 4 | __window_clamp | 4096-ptr_max |
| PARAM_VALUE | 6 | rcv_wscale | 7181765002681479168 |
| BUF_SIZE | 0 | sk->__sk_common.skc_prot | (-1),448 |
| CAPPED_DATA | 0 | sk->__sk_common.skc_net.net | 1 |
| CAPPED_DATA | 0 | sk->psp_assoc | 1 |
| DATA_SOURCE | 0 | sk | $0 |
| DATA_SOURCE | 1 | __space | r tcp_full_space |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HOST_DATA | 0 | sk->sk_backlog.head->csum | 0-4294967040[c] |
| HOST_DATA | 0 | sk->sk_backlog.tail->csum | 0-4294967040[c] |
| HOST_DATA | 0 | sk->sk_backlog.tail->next->csum | 0-4294967040[c] |
| HOST_DATA | 0 | sk->sk_receive_queue.prev->csum_offset | 0-u16max |
| HOST_DATA | 0 | sk->sk_receive_queue.prev->data_len | 0-u32max[c] |
| HOST_DATA | 0 | sk->sk_receive_queue.prev->next->csum_offset | 0-u16max |
| HOST_DATA | 0 | sk->sk_receive_queue.prev->next->data_len | 0-u32max[c] |
| HOST_DATA | 0 | sk->sk_receive_queue.prev->next->truesize | 0-u32max |
| HOST_DATA | 0 | sk->sk_receive_queue.prev->truesize | 0-u32max |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.head->data_len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.head->end | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.head->truesize | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.tail->data_len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.tail->end | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.tail->next->data_len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.tail->next->end | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.tail->next->truesize | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.tail->truesize | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_receive_queue.prev->end | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_receive_queue.prev->len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_receive_queue.prev->next->end | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_receive_queue.prev->next->len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_receive_queue.prev->next->tail | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_receive_queue.prev->next->truesize | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_receive_queue.prev->tail | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_receive_queue.prev->truesize | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.next->end | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.next->len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.next->prev->end | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.next->prev->len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.next->prev->tail | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.next->prev->truesize | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.next->tail | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.next->truesize | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.prev->data_len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.prev->len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.prev->next->data_len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.prev->next->len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.prev->next->truesize | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.prev->truesize | |
| UNITS | 0 | sk | unit_byte |
| UNITS | 1 | __space | unit_byte |
| UNITS | 2 | mss | unit_byte |
| HALF_LOCKED2 | 0 | sk | |
| HALF_LOCKED2 | 0 | &sk->sk_lock.slock |
net/ipv6/syncookies.c cookie_v6_check() -> tcp_select_initial_window()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sk | 4096-ptr_max |
| PARAM_VALUE | 3 | rcv_wnd | 4096-ptr_max |
| PARAM_VALUE | 4 | __window_clamp | 4096-ptr_max |
| PARAM_VALUE | 6 | rcv_wscale | 7850653008201601024 |
| BUF_SIZE | 0 | sk->__sk_common.skc_prot | (-1),448 |
| CAPPED_DATA | 0 | sk->__sk_common.skc_net.net | 1 |
| CAPPED_DATA | 0 | sk->psp_assoc | 1 |
| DATA_SOURCE | 0 | sk | $0 |
| DATA_SOURCE | 1 | __space | r tcp_full_space |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HOST_DATA | 0 | sk->sk_backlog.head->csum | 0-4294967040[c] |
| HOST_DATA | 0 | sk->sk_backlog.tail->csum | 0-4294967040[c] |
| HOST_DATA | 0 | sk->sk_backlog.tail->next->csum | 0-4294967040[c] |
| HOST_DATA | 0 | sk->sk_receive_queue.prev->csum_offset | 0-u16max |
| HOST_DATA | 0 | sk->sk_receive_queue.prev->data_len | 0-u32max[c] |
| HOST_DATA | 0 | sk->sk_receive_queue.prev->next->csum_offset | 0-u16max |
| HOST_DATA | 0 | sk->sk_receive_queue.prev->next->data_len | 0-u32max[c] |
| HOST_DATA | 0 | sk->sk_receive_queue.prev->next->truesize | 0-u32max |
| HOST_DATA | 0 | sk->sk_receive_queue.prev->truesize | 0-u32max |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.head->data_len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.head->end | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.head->truesize | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.tail->data_len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.tail->end | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.tail->next->data_len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.tail->next->end | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.tail->next->truesize | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.tail->truesize | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_receive_queue.prev->end | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_receive_queue.prev->len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_receive_queue.prev->next->end | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_receive_queue.prev->next->len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_receive_queue.prev->next->tail | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_receive_queue.prev->next->truesize | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_receive_queue.prev->tail | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_receive_queue.prev->truesize | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.next->end | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.next->len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.next->prev->end | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.next->prev->len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.next->prev->tail | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.next->prev->truesize | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.next->tail | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.next->truesize | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.prev->data_len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.prev->len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.prev->next->data_len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.prev->next->len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.prev->next->truesize | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.prev->truesize | |
| UNITS | 0 | sk | unit_byte |
| UNITS | 1 | __space | unit_byte |
| UNITS | 2 | mss | unit_byte |
| HALF_LOCKED2 | 0 | sk | |
| HALF_LOCKED2 | 0 | &sk->sk_lock.slock |
net/ipv4/tcp_minisocks.c tcp_openreq_init_rwin() -> tcp_select_initial_window()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sk | 4096-ptr_max |
| PARAM_VALUE | 2 | mss | 0-u16max,4294967284-u32max |
| PARAM_VALUE | 3 | rcv_wnd | 4096-ptr_max |
| PARAM_VALUE | 3 | *rcv_wnd | 0 |
| PARAM_VALUE | 4 | __window_clamp | 4096-ptr_max |
| PARAM_VALUE | 6 | rcv_wscale | 7304234183189774336 |
| BUF_SIZE | 0 | sk->__sk_common.skc_prot | (-1),448 |
| CAPPED_DATA | 0 | sk->__sk_common.skc_net.net | 1 |
| CAPPED_DATA | 2 | mss | 1 |
| DATA_SOURCE | 0 | sk | $1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.head->end | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.head->len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.tail->end | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.tail->len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.tail->next->end | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.tail->next->len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_receive_queue.prev->end | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_receive_queue.prev->len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_receive_queue.prev->next->end | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_receive_queue.prev->next->len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_receive_queue.prev->next->tail | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_receive_queue.prev->next->truesize | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_receive_queue.prev->tail | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_receive_queue.prev->truesize | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.next->end | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.next->len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.next->prev->end | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.next->prev->len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.next->prev->tail | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.next->prev->truesize | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.next->tail | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.next->truesize | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.prev->data_len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.prev->len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.prev->next->data_len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.prev->next->len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.prev->next->truesize | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_write_queue.prev->truesize | |
| UNITS | 1 | __space | unit_byte |
| LOCK2 | bh | ||
| LOCK2 | rcu_read | ||
| HALF_LOCKED2 | 0 | sk | |
| HALF_LOCKED2 | 0 | &sk->sk_lock.slock |
net/ipv4/tcp_output.c tcp_connect_init() -> tcp_select_initial_window()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sk | 4096-ptr_max |
| PARAM_VALUE | 0 | sk->__sk_common.skc_net.net | 4096-ptr_max |
| PARAM_VALUE | 2 | mss | 0-u16max,4294967284-u32max |
| PARAM_VALUE | 3 | rcv_wnd | 4096-ptr_max |
| PARAM_VALUE | 4 | __window_clamp | 4096-ptr_max |
| PARAM_VALUE | 5 | wscale_ok | 0-255 |
| PARAM_VALUE | 6 | rcv_wscale | 8040092416719826944 |
| CAPPED_DATA | 0 | sk | 1 |
| CAPPED_DATA | 0 | sk->__sk_common.skc_net.net | 1 |
| CAPPED_DATA | 0 | sk->sk_dst_cache | 1 |
| DATA_SOURCE | 0 | sk | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.len | |
| UNITS | 0 | sk | unit_byte |
| UNITS | 2 | mss | unit_byte |
| HALF_LOCKED2 | sk | ||
| HALF_LOCKED2 | 0 | sk |