ip_tunnel_ecn_encap identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

include/net/ip_tunnels.h, line 607 (as a function)

Referenced in 5 files:

Smatch caller information:

drivers/net/geneve.c geneve6_xmit_skb() -> ip_tunnel_ecn_encap()

Type	Parameter	Key	Value
PARAM_VALUE	1	iph	4096-ptr_max
PARAM_VALUE	2	skb	4096-ptr_max
PARAM_VALUE	2	skb->dev->ethtool_ops->get_link_ext_state	0-9223372036854775807
PARAM_VALUE	2	skb->dev->ethtool_ops->get_mm_stats	0-9223372036854775807
PARAM_VALUE	2	skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	2	skb->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	2	skb->dev->ndisc_ops->fill_addr_option	4096-ptr_max
PARAM_VALUE	2	skb->dev->ndisc_ops->parse_options	4096-ptr_max
PARAM_VALUE	2	skb->dev->ndisc_ops->update	4096-ptr_max
PARAM_VALUE	2	skb->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	2	skb->dev->rtnl_link_ops->priv_size	0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,736,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,3720,9688-u64max
PARAM_VALUE	2	skb->hash	1-u32max
PARAM_VALUE	2	skb->l4_hash	0
PARAM_VALUE	2	skb->sw_hash	1
BUF_SIZE	2	skb	(-1)-s32max
BUF_SIZE	2	skb	(-1)-s32max
DATA_SOURCE	0	tos	r geneve_get_dsfield
DATA_SOURCE	2	skb	$0
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	2	skb->csum_offset	0-u16max
HOST_DATA	2	skb->data_len	0-2147483648[c]
HOST_DATA	2	skb->len	0-u32max[c]
HOST_DATA	2	skb->next->csum_offset	0-u16max
HOST_DATA	2	skb->next->data_len	0-u32max[c]
HOST_DATA	2	skb->next->len	1-u32max[c]
HOST_DATA	2	skb->prev->csum_offset	0-u16max
HOST_DATA	2	skb->prev->data_len	0-u32max[c]
HOST_DATA	2	skb->prev->len	0-u32max[c]
HOST_DATA	2	skb->prev->truesize	0-u32max
HOST_DATA	2	skb->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	2	skb->prev->users.refs.counter	s32min-0,2-s32max
HOST_DATA	2	skb->tstamp	500000002-4294967299794967295[c]
HOST_DATA	2	skb->users.refs.counter	s32min-0,2-s32max
HOST_DATA	2	*skb->data	0-255
NO_OVERFLOW_SIMPLE	2	skb->data_len
NO_OVERFLOW_SIMPLE	2	skb->dev->group
NO_OVERFLOW_SIMPLE	2	skb->dev->num_tc
NO_OVERFLOW_SIMPLE	2	skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	2	skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	2	skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	2	skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	2	skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE	2	skb->end
NO_OVERFLOW_SIMPLE	2	skb->extensions
NO_OVERFLOW_SIMPLE	2	skb->len
NO_OVERFLOW_SIMPLE	2	skb->prev->data_len
NO_OVERFLOW_SIMPLE	2	skb->prev->end
NO_OVERFLOW_SIMPLE	2	skb->prev->len
NO_OVERFLOW_SIMPLE	2	skb->prev->tail
NO_OVERFLOW_SIMPLE	2	skb->prev->truesize
NO_OVERFLOW_SIMPLE	2	skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	2	skb->tail
NO_OVERFLOW_SIMPLE	2	skb->truesize
LOCK2		rcu_read
HALF_LOCKED2		&dev->tx_global_lock
HALF_LOCKED2		&txq->_xmit_lock
HALF_LOCKED2		bh
HALF_LOCKED2		flags

drivers/net/geneve.c geneve_xmit_skb() -> ip_tunnel_ecn_encap()

Type	Parameter	Key	Value
PARAM_VALUE	1	iph	4096-ptr_max
PARAM_VALUE	2	skb	4096-ptr_max
PARAM_VALUE	2	skb->dev->ethtool_ops->get_link_ext_state	0-9223372036854775807
PARAM_VALUE	2	skb->dev->ethtool_ops->get_mm_stats	0-9223372036854775807
PARAM_VALUE	2	skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	2	skb->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	2	skb->dev->ndisc_ops->fill_addr_option	4096-ptr_max
PARAM_VALUE	2	skb->dev->ndisc_ops->parse_options	4096-ptr_max
PARAM_VALUE	2	skb->dev->ndisc_ops->update	4096-ptr_max
PARAM_VALUE	2	skb->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	2	skb->dev->rtnl_link_ops->priv_size	0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,736,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,3720,9688-u64max
PARAM_VALUE	2	skb->hash	1-u32max
PARAM_VALUE	2	skb->l4_hash	0
PARAM_VALUE	2	skb->sw_hash	1
BUF_SIZE	2	skb	(-1)-s32max
BUF_SIZE	2	skb	(-1)-s32max
DATA_SOURCE	0	tos	r geneve_get_dsfield
DATA_SOURCE	2	skb	$0
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	2	skb->csum_offset	0-u16max
HOST_DATA	2	skb->data_len	0-2147483648[c]
HOST_DATA	2	skb->len	0-u32max[c]
HOST_DATA	2	skb->next->csum_offset	0-u16max
HOST_DATA	2	skb->next->data_len	0-u32max[c]
HOST_DATA	2	skb->next->len	1-u32max[c]
HOST_DATA	2	skb->prev->csum_offset	0-u16max
HOST_DATA	2	skb->prev->data_len	0-u32max[c]
HOST_DATA	2	skb->prev->len	0-u32max[c]
HOST_DATA	2	skb->prev->truesize	0-u32max
HOST_DATA	2	skb->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	2	skb->prev->users.refs.counter	s32min-0,2-s32max
HOST_DATA	2	skb->tstamp	500000002-4294967299794967295[c]
HOST_DATA	2	skb->users.refs.counter	s32min-0,2-s32max
HOST_DATA	2	*skb->data	0-255
NO_OVERFLOW_SIMPLE	2	skb->data_len
NO_OVERFLOW_SIMPLE	2	skb->dev->group
NO_OVERFLOW_SIMPLE	2	skb->dev->num_tc
NO_OVERFLOW_SIMPLE	2	skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	2	skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	2	skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	2	skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	2	skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE	2	skb->end
NO_OVERFLOW_SIMPLE	2	skb->extensions
NO_OVERFLOW_SIMPLE	2	skb->len
NO_OVERFLOW_SIMPLE	2	skb->prev->data_len
NO_OVERFLOW_SIMPLE	2	skb->prev->end
NO_OVERFLOW_SIMPLE	2	skb->prev->len
NO_OVERFLOW_SIMPLE	2	skb->prev->tail
NO_OVERFLOW_SIMPLE	2	skb->prev->truesize
NO_OVERFLOW_SIMPLE	2	skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	2	skb->tail
NO_OVERFLOW_SIMPLE	2	skb->truesize
LOCK2		rcu_read
HALF_LOCKED2		&dev->tx_global_lock
HALF_LOCKED2		&txq->_xmit_lock
HALF_LOCKED2		bh
HALF_LOCKED2		flags

drivers/net/bareudp.c bareudp6_xmit_skb() -> ip_tunnel_ecn_encap()

Type	Parameter	Key	Value
PARAM_VALUE	1	iph	4096-ptr_max
PARAM_VALUE	2	skb	4096-ptr_max
PARAM_VALUE	2	skb->_skb_refdst	1-u64max
PARAM_VALUE	2	skb->dev->ethtool_ops->get_link_ext_state	0-s64max
PARAM_VALUE	2	skb->dev->ethtool_ops->get_mm_stats	0-s64max
PARAM_VALUE	2	skb->dev->ethtool_ops->rxfh_max_num_contexts	0-4294967295
PARAM_VALUE	2	skb->dev->ethtool_ops->supported_coalesce_params	0-s64max
PARAM_VALUE	2	skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	2	skb->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	2	skb->dev->ndisc_ops->fill_addr_option	4096-ptr_max
PARAM_VALUE	2	skb->dev->ndisc_ops->parse_options	4096-ptr_max
PARAM_VALUE	2	skb->dev->ndisc_ops->update	4096-ptr_max
PARAM_VALUE	2	skb->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	2	skb->dev->rtnl_link_ops->priv_size	0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,736,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,3720,9688-u64max
PARAM_VALUE	2	skb->hash	1-u32max
PARAM_VALUE	2	skb->l4_hash	0
PARAM_VALUE	2	skb->sw_hash	1
BUF_SIZE	2	skb	(-1)-s32max
BUF_SIZE	2	skb	(-1)-s32max
CAPPED_DATA	2	skb->protocol	1
DATA_SOURCE	2	skb	$0
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	2	skb->csum_offset	0-u16max
HOST_DATA	2	skb->data_len	0-2147483648[c]
HOST_DATA	2	skb->len	0-u32max[c]
HOST_DATA	2	skb->next->csum_offset	0-u16max
HOST_DATA	2	skb->next->data_len	0-u32max[c]
HOST_DATA	2	skb->next->len	1-u32max[c]
HOST_DATA	2	skb->prev->csum_offset	0-u16max
HOST_DATA	2	skb->prev->data_len	0-u32max[c]
HOST_DATA	2	skb->prev->len	0-u32max[c]
HOST_DATA	2	skb->prev->truesize	0-u32max
HOST_DATA	2	skb->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	2	skb->prev->users.refs.counter	s32min-0,2-s32max
HOST_DATA	2	skb->tstamp	500000002-4294967299794967295[c]
HOST_DATA	2	skb->users.refs.counter	s32min-0,2-s32max
HOST_DATA	2	*skb->data	0-255
NO_OVERFLOW_SIMPLE	2	skb->data_len
NO_OVERFLOW_SIMPLE	2	skb->dev->group
NO_OVERFLOW_SIMPLE	2	skb->dev->num_tc
NO_OVERFLOW_SIMPLE	2	skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	2	skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	2	skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	2	skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	2	skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE	2	skb->end
NO_OVERFLOW_SIMPLE	2	skb->extensions
NO_OVERFLOW_SIMPLE	2	skb->len
NO_OVERFLOW_SIMPLE	2	skb->prev->data_len
NO_OVERFLOW_SIMPLE	2	skb->prev->end
NO_OVERFLOW_SIMPLE	2	skb->prev->len
NO_OVERFLOW_SIMPLE	2	skb->prev->tail
NO_OVERFLOW_SIMPLE	2	skb->prev->truesize
NO_OVERFLOW_SIMPLE	2	skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	2	skb->tail
NO_OVERFLOW_SIMPLE	2	skb->truesize
LOCK2		rcu_read
HALF_LOCKED2		&dev->tx_global_lock
HALF_LOCKED2		&txq->_xmit_lock
HALF_LOCKED2		bh
HALF_LOCKED2		flags

drivers/net/bareudp.c bareudp_xmit_skb() -> ip_tunnel_ecn_encap()

Type	Parameter	Key	Value
PARAM_VALUE	1	iph	4096-ptr_max
PARAM_VALUE	2	skb	4096-ptr_max
PARAM_VALUE	2	skb->_skb_refdst	1-u64max
PARAM_VALUE	2	skb->dev->ethtool_ops->get_link_ext_state	0-s64max
PARAM_VALUE	2	skb->dev->ethtool_ops->get_mm_stats	0-s64max
PARAM_VALUE	2	skb->dev->ethtool_ops->rxfh_max_num_contexts	0-4294967295
PARAM_VALUE	2	skb->dev->ethtool_ops->supported_coalesce_params	0-s64max
PARAM_VALUE	2	skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	2	skb->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	2	skb->dev->ndisc_ops->fill_addr_option	4096-ptr_max
PARAM_VALUE	2	skb->dev->ndisc_ops->parse_options	4096-ptr_max
PARAM_VALUE	2	skb->dev->ndisc_ops->update	4096-ptr_max
PARAM_VALUE	2	skb->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	2	skb->dev->rtnl_link_ops->priv_size	0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,736,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,3720,9688-u64max
PARAM_VALUE	2	skb->hash	1-u32max
PARAM_VALUE	2	skb->l4_hash	0
PARAM_VALUE	2	skb->sw_hash	1
BUF_SIZE	2	skb	(-1)-s32max
BUF_SIZE	2	skb	(-1)-s32max
CAPPED_DATA	2	skb->protocol	1
DATA_SOURCE	2	skb	$0
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	2	skb->csum_offset	0-u16max
HOST_DATA	2	skb->data_len	0-2147483648[c]
HOST_DATA	2	skb->len	0-u32max[c]
HOST_DATA	2	skb->next->csum_offset	0-u16max
HOST_DATA	2	skb->next->data_len	0-u32max[c]
HOST_DATA	2	skb->next->len	1-u32max[c]
HOST_DATA	2	skb->prev->csum_offset	0-u16max
HOST_DATA	2	skb->prev->data_len	0-u32max[c]
HOST_DATA	2	skb->prev->len	0-u32max[c]
HOST_DATA	2	skb->prev->truesize	0-u32max
HOST_DATA	2	skb->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	2	skb->prev->users.refs.counter	s32min-0,2-s32max
HOST_DATA	2	skb->tstamp	500000002-4294967299794967295[c]
HOST_DATA	2	skb->users.refs.counter	s32min-0,2-s32max
HOST_DATA	2	*skb->data	0-255
NO_OVERFLOW_SIMPLE	2	skb->data_len
NO_OVERFLOW_SIMPLE	2	skb->dev->group
NO_OVERFLOW_SIMPLE	2	skb->dev->num_tc
NO_OVERFLOW_SIMPLE	2	skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	2	skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	2	skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	2	skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	2	skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE	2	skb->end
NO_OVERFLOW_SIMPLE	2	skb->extensions
NO_OVERFLOW_SIMPLE	2	skb->len
NO_OVERFLOW_SIMPLE	2	skb->prev->data_len
NO_OVERFLOW_SIMPLE	2	skb->prev->end
NO_OVERFLOW_SIMPLE	2	skb->prev->len
NO_OVERFLOW_SIMPLE	2	skb->prev->tail
NO_OVERFLOW_SIMPLE	2	skb->prev->truesize
NO_OVERFLOW_SIMPLE	2	skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	2	skb->tail
NO_OVERFLOW_SIMPLE	2	skb->truesize
LOCK2		rcu_read
HALF_LOCKED2		&dev->tx_global_lock
HALF_LOCKED2		&txq->_xmit_lock
HALF_LOCKED2		bh
HALF_LOCKED2		flags

drivers/net/wireguard/send.c wg_packet_send_staged_packets() -> ip_tunnel_ecn_encap()

Type	Parameter	Key	Value
PARAM_VALUE	0	tos	0
PARAM_VALUE	1	iph	4096-ptr_max
PARAM_VALUE	2	skb	4096-8628176513917739007,8628176513917739009-ptr_max
RX_PATH
TASK_NOT_RUNNING
UNITS	2	skb	unit_byte
HALF_LOCKED2		&wg->device_update_lock
HALF_LOCKED2		&wg->static_identity.lock
HALF_LOCKED2		global &rtnl_mutex

net/ipv4/ip_tunnel.c ip_md_tunnel_xmit() -> ip_tunnel_ecn_encap()

Type	Parameter	Key	Value
PARAM_VALUE	1	iph	4096-ptr_max
PARAM_VALUE	2	skb	4096-ptr_max
PARAM_VALUE	2	skb->_skb_refdst	1-u64max
PARAM_VALUE	2	skb->dev->ethtool_ops->get_link_ext_state	0-s64max
PARAM_VALUE	2	skb->dev->ethtool_ops->get_mm_stats	0-s64max
PARAM_VALUE	2	skb->dev->ethtool_ops->rxfh_max_num_contexts	0-4294967295
PARAM_VALUE	2	skb->dev->ethtool_ops->supported_coalesce_params	0-s64max
PARAM_VALUE	2	skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	2	skb->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	2	skb->dev->ndisc_ops->fill_addr_option	4096-ptr_max
PARAM_VALUE	2	skb->dev->ndisc_ops->parse_options	4096-ptr_max
PARAM_VALUE	2	skb->dev->ndisc_ops->update	4096-ptr_max
PARAM_VALUE	2	skb->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	2	skb->dev->rtnl_link_ops->priv_size	0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,736,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,3720,9688-u64max
PARAM_VALUE	2	skb->hash	1-u32max
PARAM_VALUE	2	skb->l4_hash	0
PARAM_VALUE	2	skb->sw_hash	1
BUF_SIZE	2	skb	(-1)-s32max
BUF_SIZE	2	skb	(-1)-s32max
DATA_SOURCE	1	iph	r skb_inner_network_header
DATA_SOURCE	2	skb	$0
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	2	skb->csum_offset	0-u16max
HOST_DATA	2	skb->len	0-u32max[c]
HOST_DATA	2	skb->next->csum_offset	0-u16max
HOST_DATA	2	skb->next->data_len	0-u32max[c]
HOST_DATA	2	skb->next->len	1-u32max[c]
HOST_DATA	2	skb->prev->csum_offset	0-u16max
HOST_DATA	2	skb->prev->data_len	0-u32max[c]
HOST_DATA	2	skb->prev->len	0-u32max[c]
HOST_DATA	2	skb->prev->truesize	0-u32max
HOST_DATA	2	skb->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	2	skb->prev->users.refs.counter	s32min-0,2-s32max
HOST_DATA	2	skb->tstamp	500000002-4294967299794967295[c]
HOST_DATA	2	skb->users.refs.counter	s32min-0,2-s32max
HOST_DATA	2	*skb->data	0-255
NO_OVERFLOW_SIMPLE	2	skb->data_len
NO_OVERFLOW_SIMPLE	2	skb->dev->group
NO_OVERFLOW_SIMPLE	2	skb->dev->num_tc
NO_OVERFLOW_SIMPLE	2	skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	2	skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	2	skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	2	skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	2	skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE	2	skb->end
NO_OVERFLOW_SIMPLE	2	skb->extensions
NO_OVERFLOW_SIMPLE	2	skb->len
NO_OVERFLOW_SIMPLE	2	skb->prev->data_len
NO_OVERFLOW_SIMPLE	2	skb->prev->end
NO_OVERFLOW_SIMPLE	2	skb->prev->len
NO_OVERFLOW_SIMPLE	2	skb->prev->tail
NO_OVERFLOW_SIMPLE	2	skb->prev->truesize
NO_OVERFLOW_SIMPLE	2	skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	2	skb->tail
NO_OVERFLOW_SIMPLE	2	skb->truesize
HALF_LOCKED2		&txq->_xmit_lock
HALF_LOCKED2		bh
HALF_LOCKED2		flags
HALF_LOCKED2		rcu_read

net/ipv4/ip_tunnel.c ip_tunnel_xmit() -> ip_tunnel_ecn_encap()

Type	Parameter	Key	Value
PARAM_VALUE	1	iph	4096-ptr_max
PARAM_VALUE	2	skb	4096-ptr_max
PARAM_VALUE	2	skb->_skb_refdst	1-u64max
PARAM_VALUE	2	skb->dev->ethtool_ops->get_link_ext_state	0-s64max
PARAM_VALUE	2	skb->dev->ethtool_ops->get_mm_stats	0-s64max
PARAM_VALUE	2	skb->dev->ethtool_ops->rxfh_max_num_contexts	0-4294967295
PARAM_VALUE	2	skb->dev->ethtool_ops->supported_coalesce_params	0-s64max
PARAM_VALUE	2	skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	2	skb->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	2	skb->dev->ndisc_ops->fill_addr_option	4096-ptr_max
PARAM_VALUE	2	skb->dev->ndisc_ops->parse_options	4096-ptr_max
PARAM_VALUE	2	skb->dev->ndisc_ops->update	4096-ptr_max
PARAM_VALUE	2	skb->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	2	skb->dev->rtnl_link_ops->priv_size	0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,736,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,3720,9688-u64max
PARAM_VALUE	2	skb->hash	1-u32max
PARAM_VALUE	2	skb->l4_hash	0
PARAM_VALUE	2	skb->sw_hash	1
BUF_SIZE	2	skb	(-1)-s32max
BUF_SIZE	2	skb	(-1)-s32max
DATA_SOURCE	1	iph	r skb_inner_network_header
DATA_SOURCE	2	skb	$0
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	2	skb->csum_offset	0-u16max
HOST_DATA	2	skb->len	0-u32max[c]
HOST_DATA	2	skb->next->csum_offset	0-u16max
HOST_DATA	2	skb->next->data_len	0-u32max[c]
HOST_DATA	2	skb->next->len	1-u32max[c]
HOST_DATA	2	skb->prev->csum_offset	0-u16max
HOST_DATA	2	skb->prev->data_len	0-u32max[c]
HOST_DATA	2	skb->prev->len	0-u32max[c]
HOST_DATA	2	skb->prev->truesize	0-u32max
HOST_DATA	2	skb->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	2	skb->prev->users.refs.counter	s32min-0,2-s32max
HOST_DATA	2	skb->tstamp	500000002-4294967299794967295[c]
HOST_DATA	2	skb->users.refs.counter	s32min-0,2-s32max
HOST_DATA	2	*skb->data	0-255
USER_DATA	0	tos	0-255[u]
NO_OVERFLOW_SIMPLE	2	skb->data_len
NO_OVERFLOW_SIMPLE	2	skb->dev->group
NO_OVERFLOW_SIMPLE	2	skb->dev->num_tc
NO_OVERFLOW_SIMPLE	2	skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	2	skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	2	skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	2	skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	2	skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE	2	skb->end
NO_OVERFLOW_SIMPLE	2	skb->extensions
NO_OVERFLOW_SIMPLE	2	skb->len
NO_OVERFLOW_SIMPLE	2	skb->prev->data_len
NO_OVERFLOW_SIMPLE	2	skb->prev->end
NO_OVERFLOW_SIMPLE	2	skb->prev->len
NO_OVERFLOW_SIMPLE	2	skb->prev->tail
NO_OVERFLOW_SIMPLE	2	skb->prev->truesize
NO_OVERFLOW_SIMPLE	2	skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	2	skb->tail
NO_OVERFLOW_SIMPLE	2	skb->truesize
HALF_LOCKED2		&txq->_xmit_lock
HALF_LOCKED2		bh
HALF_LOCKED2		flags
HALF_LOCKED2		rcu_read

drivers/net/vxlan/vxlan_core.c vxlan_xmit_one() -> ip_tunnel_ecn_encap()

Type	Parameter	Key	Value
PARAM_VALUE	1	iph	4096-ptr_max
PARAM_VALUE	2	skb	4096-ptr_max
PARAM_VALUE	2	skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	2	skb->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	2	skb->dev->ndisc_ops->fill_addr_option	4096-ptr_max
PARAM_VALUE	2	skb->dev->ndisc_ops->parse_options	4096-ptr_max
PARAM_VALUE	2	skb->dev->ndisc_ops->update	4096-ptr_max
PARAM_VALUE	2	skb->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	2	skb->dev->rtnl_link_ops->priv_size	0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,736,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,3720,9688-u64max
PARAM_VALUE	2	skb->hash	1-u32max
PARAM_VALUE	2	skb->l4_hash	0
PARAM_VALUE	2	skb->sw_hash	1
BUF_SIZE	2	skb	(-1)-s32max
BUF_SIZE	2	skb	(-1)-s32max
CAPPED_DATA	2	skb	1
DATA_SOURCE	2	skb	$0
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	2	skb->csum_offset	0-u16max
HOST_DATA	2	skb->data_len	0-2147483648[c]
HOST_DATA	2	skb->len	0-u32max[c]
HOST_DATA	2	skb->next->csum_offset	0-u16max
HOST_DATA	2	skb->next->data_len	0-u32max[c]
HOST_DATA	2	skb->next->len	1-u32max[c]
HOST_DATA	2	skb->prev->csum_offset	0-u16max
HOST_DATA	2	skb->prev->data_len	0-u32max[c]
HOST_DATA	2	skb->prev->len	0-u32max[c]
HOST_DATA	2	skb->prev->truesize	0-u32max
HOST_DATA	2	skb->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	2	skb->prev->users.refs.counter	s32min-0,2-s32max
HOST_DATA	2	skb->tstamp	500000002-4294967299794967295[c]
HOST_DATA	2	skb->users.refs.counter	s32min-0,2-s32max
HOST_DATA	2	*skb->data	0-255
NO_OVERFLOW_SIMPLE	2	skb->data_len
NO_OVERFLOW_SIMPLE	2	skb->dev->group
NO_OVERFLOW_SIMPLE	2	skb->dev->num_tc
NO_OVERFLOW_SIMPLE	2	skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	2	skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	2	skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	2	skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	2	skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE	2	skb->end
NO_OVERFLOW_SIMPLE	2	skb->extensions
NO_OVERFLOW_SIMPLE	2	skb->len
NO_OVERFLOW_SIMPLE	2	skb->prev->data_len
NO_OVERFLOW_SIMPLE	2	skb->prev->end
NO_OVERFLOW_SIMPLE	2	skb->prev->len
NO_OVERFLOW_SIMPLE	2	skb->prev->tail
NO_OVERFLOW_SIMPLE	2	skb->prev->truesize
NO_OVERFLOW_SIMPLE	2	skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	2	skb->tail
NO_OVERFLOW_SIMPLE	2	skb->truesize
LOCK2		rcu_read
HALF_LOCKED2		&txq->_xmit_lock
HALF_LOCKED2		bh
HALF_LOCKED2		flags