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Defined in 1 files as a function:

Referenced in 3 files:

Smatch caller information:

net/ipv4/tcp_recovery.c tcp_newreno_mark_lost() -> tcp_skb_mss()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->cb 4096-ptr_max
DATA_SOURCE 0 skb r tcp_rtx_queue_head
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &sk->sk_lock.slock
HALF_LOCKED2 sk

net/ipv4/tcp_input.c tcp_match_skb_to_sack() -> tcp_skb_mss()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->cb 4096-ptr_max
DATA_SOURCE 0 skb $1
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->next->data_len 0-u32max[c]
HOST_DATA 0 skb->next->prev->data_len 0-u32max[c]
HALF_LOCKED2 &sk->sk_lock.slock
HALF_LOCKED2 sk

net/ipv4/tcp_input.c tcp_shift_skb_data() -> tcp_skb_mss()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->cb 4096-ptr_max
CAPPED_DATA 0 &skb->rbnode 1
DATA_SOURCE 0 skb $1
PARAM_COMPARE 0 &skb->rbnode != $0->rbnode.__rb_parent_color
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->next->data_len 0-u32max[c]
HOST_DATA 0 skb->next->prev->data_len 0-u32max[c]
HALF_LOCKED2 &sk->sk_lock.slock
HALF_LOCKED2 sk

net/ipv4/tcp_input.c tcp_skb_seglen() -> tcp_skb_mss()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
DATA_SOURCE 0 skb $0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->next->data_len 0-u32max[c]
HOST_DATA 0 skb->next->prev->data_len 0-u32max[c]
HALF_LOCKED2 &sk->sk_lock.slock

net/ipv4/tcp_output.c __tcp_transmit_skb() -> tcp_skb_mss()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->cb 4096-ptr_max
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
CAPPED_DATA 0 skb->head 1
DATA_SOURCE 0 skb $1 [m]
BIT_INFO 0 skb->destructor 0x101888000030000,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->data_len 0-u32max[c]
HOST_DATA 0 skb->next->data_len 0-u32max[c]
HOST_DATA 0 skb->next->prev->data_len 0-u32max[c]
HOST_DATA 0 skb->truesize 0-u32max[c]
HOST_DATA 0 skb->tstamp 500000002-4294967299794967295[c]
NO_OVERFLOW_SIMPLE 0 skb->sk->sk_backlog.len
HALF_LOCKED2 &sk->sk_lock.slock
HALF_LOCKED2 sk

net/ipv4/tcp_output.c tcp_init_tso_segs() -> tcp_skb_mss()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
BUF_SIZE 0 skb (-1),320
BUF_SIZE 0 skb (-1),320
DATA_SOURCE 0 skb $0
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->next->prev->csum_offset 0-u16max
HOST_DATA 0 skb->next->prev->data_len 0-u32max[c]
HOST_DATA 0 skb->next->prev->len 0-u32max[c]
HOST_DATA 0 skb->next->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->prev->csum_offset 0-u16max
HOST_DATA 0 skb->prev->data_len 0-u32max[c]
HOST_DATA 0 skb->prev->len 0-u32max[c]
HOST_DATA 0 skb->prev->tstamp 500000002-4294967299794967295[c]

net/ipv4/tcp_output.c tcp_trim_head() -> tcp_skb_mss()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->cb 4096-ptr_max
DATA_SOURCE 0 skb $1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &sk->sk_lock.slock
HALF_LOCKED2 sk