Defined in 1 files as a function:
Referenced in 2 files:
Smatch caller information:
net/sched/sch_generic.c __skb_dequeue_bad_txq() -> qdisc_qstats_cpu_backlog_dec()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sch | 4096-ptr_max |
| PARAM_VALUE | 1 | skb | 0,4096-ptr_max |
| CAPPED_DATA | 0 | sch->gso_skb.next | 1 |
| CAPPED_DATA | 0 | &sch->skb_bad_txq | 1 |
| DATA_SOURCE | 0 | sch | $0 |
| DATA_SOURCE | 1 | skb | r __skb_dequeue |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 0 | sch->skb_bad_txq.prev->next->tail | |
| NO_OVERFLOW_SIMPLE | 0 | sch->skb_bad_txq.prev->tail | |
| HALF_LOCKED2 | lock | ||
| HALF_LOCKED2 | rcu_read | ||
| HALF_LOCKED2 | root_lock | ||
| HALF_LOCKED2 | 0 | &sch->seqlock |
net/sched/sch_generic.c dequeue_skb() -> qdisc_qstats_cpu_backlog_dec()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sch | 4096-ptr_max |
| PARAM_VALUE | 1 | skb | 0,4096-ptr_max |
| CAPPED_DATA | 0 | &sch->gso_skb | 1 |
| DATA_SOURCE | 0 | sch | $0 |
| DATA_SOURCE | 1 | skb | r __skb_dequeue |
| PARAM_COMPARE | 0 | &sch->gso_skb | != $0->gso_skb.next |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 0 | sch->gso_skb.prev->data_len | |
| NO_OVERFLOW_SIMPLE | 0 | sch->gso_skb.prev->next->data_len | |
| NO_OVERFLOW_SIMPLE | 0 | sch->gso_skb.prev->next->tail | |
| NO_OVERFLOW_SIMPLE | 0 | sch->gso_skb.prev->tail | |
| NO_OVERFLOW_SIMPLE | 0 | sch->skb_bad_txq.prev->data_len | |
| NO_OVERFLOW_SIMPLE | 0 | sch->skb_bad_txq.prev->end | |
| NO_OVERFLOW_SIMPLE | 0 | sch->skb_bad_txq.prev->len | |
| NO_OVERFLOW_SIMPLE | 0 | sch->skb_bad_txq.prev->next->data_len | |
| NO_OVERFLOW_SIMPLE | 0 | sch->skb_bad_txq.prev->next->end | |
| NO_OVERFLOW_SIMPLE | 0 | sch->skb_bad_txq.prev->next->len | |
| NO_OVERFLOW_SIMPLE | 0 | sch->skb_bad_txq.prev->next->truesize | |
| NO_OVERFLOW_SIMPLE | 0 | sch->skb_bad_txq.prev->truesize | |
| HALF_LOCKED2 | lock | ||
| HALF_LOCKED2 | rcu_read | ||
| HALF_LOCKED2 | root_lock | ||
| HALF_LOCKED2 | 0 | &sch->seqlock |
net/sched/sch_generic.c qdisc_update_stats_at_dequeue() -> qdisc_qstats_cpu_backlog_dec()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sch | 4096-ptr_max |
| PARAM_VALUE | 1 | skb | 1-u64max |
| BUF_SIZE | 0 | sch | (-1)-s32max |
| BUF_SIZE | 0 | sch | (-1)-s32max |
| BUF_SIZE | 1 | skb | 1-s32max |
| BUF_SIZE | 1 | skb | 1-s32max |
| DATA_SOURCE | 0 | sch | $0 |
| DATA_SOURCE | 1 | skb | $1 |
| NOSPEC | 0 | sch->handle | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 0 | sch->handle | 1-4294967280,4294967282-u32max[c] |
| USER_DATA | 0 | sch->parent | 0-u32max |
| NO_OVERFLOW_SIMPLE | 0 | sch->gso_skb.next->end | |
| NO_OVERFLOW_SIMPLE | 0 | sch->gso_skb.next->prev->end | |
| NO_OVERFLOW_SIMPLE | 0 | sch->skb_bad_txq.prev->next->tail | |
| NO_OVERFLOW_SIMPLE | 0 | sch->skb_bad_txq.prev->tail | |
| HALF_LOCKED2 | bh | ||
| HALF_LOCKED2 | rcu_read | ||
| HALF_LOCKED2 | 0 | &sch->seqlock |
net/sched/sch_taprio.c qdisc_dequeue_peeked() -> qdisc_qstats_cpu_backlog_dec()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sch | 4096-7935956897246715903,7935956897246715905-ptr_max |
| PARAM_VALUE | 1 | skb | 0,4096-ptr_max |
| CAPPED_DATA | 0 | &sch->gso_skb | 1 |
| DATA_SOURCE | 0 | sch | $0 |
| DATA_SOURCE | 1 | skb | r __skb_dequeue |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | rcu_read | ||
| HALF_LOCKED2 | &sch->seqlock | ||
| HALF_LOCKED2 | bh |
net/sched/sch_prio.c qdisc_dequeue_peeked() -> qdisc_qstats_cpu_backlog_dec()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sch | 4096-ptr_max |
| PARAM_VALUE | 1 | skb | 0,4096-ptr_max |
| CAPPED_DATA | 0 | &sch->gso_skb | 1 |
| DATA_SOURCE | 0 | sch | $0 |
| DATA_SOURCE | 1 | skb | r __skb_dequeue |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HALF_LOCKED2 | bh | ||
| HALF_LOCKED2 | rcu_read |
net/sched/sch_ets.c qdisc_dequeue_peeked() -> qdisc_qstats_cpu_backlog_dec()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sch | 4096-ptr_max |
| PARAM_VALUE | 1 | skb | 0,4096-ptr_max |
| CAPPED_DATA | 0 | &sch->gso_skb | 1 |
| DATA_SOURCE | 0 | sch | $0 |
| DATA_SOURCE | 1 | skb | r __skb_dequeue |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HALF_LOCKED2 | bh | ||
| HALF_LOCKED2 | rcu_read |
net/sched/sch_hfsc.c qdisc_dequeue_peeked() -> qdisc_qstats_cpu_backlog_dec()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sch | 4096-ptr_max |
| PARAM_VALUE | 1 | skb | 0,4096-ptr_max |
| CAPPED_DATA | 0 | &sch->gso_skb | 1 |
| DATA_SOURCE | 0 | sch | $0 |
| DATA_SOURCE | 1 | skb | r __skb_dequeue |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HALF_LOCKED2 | bh | ||
| HALF_LOCKED2 | rcu_read |
net/sched/sch_tbf.c qdisc_dequeue_peeked() -> qdisc_qstats_cpu_backlog_dec()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sch | 4096-ptr_max |
| PARAM_VALUE | 1 | skb | 0,4096-ptr_max |
| CAPPED_DATA | 0 | &sch->gso_skb | 1 |
| DATA_SOURCE | 0 | sch | $0 |
| DATA_SOURCE | 1 | skb | r __skb_dequeue |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HALF_LOCKED2 | bh | ||
| HALF_LOCKED2 | rcu_read |
net/sched/sch_multiq.c qdisc_dequeue_peeked() -> qdisc_qstats_cpu_backlog_dec()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sch | 4096-ptr_max |
| PARAM_VALUE | 1 | skb | 0,4096-ptr_max |
| CAPPED_DATA | 0 | &sch->gso_skb | 1 |
| DATA_SOURCE | 0 | sch | $0 |
| DATA_SOURCE | 1 | skb | r __skb_dequeue |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HALF_LOCKED2 | bh | ||
| HALF_LOCKED2 | rcu_read |
net/sched/sch_drr.c qdisc_dequeue_peeked() -> qdisc_qstats_cpu_backlog_dec()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sch | 4096-ptr_max |
| PARAM_VALUE | 1 | skb | 0,4096-ptr_max |
| CAPPED_DATA | 0 | &sch->gso_skb | 1 |
| DATA_SOURCE | 0 | sch | $0 |
| DATA_SOURCE | 1 | skb | r __skb_dequeue |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HALF_LOCKED2 | bh | ||
| HALF_LOCKED2 | rcu_read |
net/sched/sch_red.c qdisc_dequeue_peeked() -> qdisc_qstats_cpu_backlog_dec()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sch | 4096-ptr_max |
| PARAM_VALUE | 1 | skb | 0,4096-ptr_max |
| CAPPED_DATA | 0 | &sch->gso_skb | 1 |
| DATA_SOURCE | 0 | sch | $0 |
| DATA_SOURCE | 1 | skb | r __skb_dequeue |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HALF_LOCKED2 | bh | ||
| HALF_LOCKED2 | rcu_read |
net/sched/sch_sfb.c qdisc_dequeue_peeked() -> qdisc_qstats_cpu_backlog_dec()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sch | 4096-ptr_max |
| PARAM_VALUE | 1 | skb | 0,4096-ptr_max |
| CAPPED_DATA | 0 | &sch->gso_skb | 1 |
| DATA_SOURCE | 0 | sch | $0 |
| DATA_SOURCE | 1 | skb | r __skb_dequeue |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HALF_LOCKED2 | bh | ||
| HALF_LOCKED2 | rcu_read |
net/sched/sch_qfq.c qdisc_dequeue_peeked() -> qdisc_qstats_cpu_backlog_dec()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sch | 4096-ptr_max |
| PARAM_VALUE | 1 | skb | 0,4096-ptr_max |
| CAPPED_DATA | 0 | &sch->gso_skb | 1 |
| DATA_SOURCE | 0 | sch | $0 |
| DATA_SOURCE | 1 | skb | r __skb_dequeue |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 0 | sch->gso_skb.next->end | |
| NO_OVERFLOW_SIMPLE | 0 | sch->gso_skb.next->prev->end | |
| HALF_LOCKED2 | bh | ||
| HALF_LOCKED2 | rcu_read |