net/core/flow_dissector.c

83 		/* BPF flow dissector in the root namespace overrides
97 		/* Make sure root flow dissector is not attached
761  * @key_control: flow dissectors control key
771  * allows the flow dissector to continue processing the packet.
1016  * @skb: sk_buff to extract the flow from, can be NULL if the rest are specified
1020  * @proto: protocol for which to get the flow, if @data is NULL use skb->protocol
1065 			/* Only DSA header taggers break flow dissection */
1682 static const void *flow_keys_hash_start(const struct flow_keys *flow)
1685 	return &flow->FLOW_KEYS_HASH_START_FIELD;
1688 static inline size_t flow_keys_hash_length(const struct flow_keys *flow)
1690 	size_t diff = FLOW_KEYS_HASH_OFFSET + sizeof(flow->addrs);
1692 	BUILD_BUG_ON((sizeof(*flow) - FLOW_KEYS_HASH_OFFSET) % sizeof(u32));
1694 	switch (flow->control.addr_type) {
1696 		diff -= sizeof(flow->addrs.v4addrs);
1699 		diff -= sizeof(flow->addrs.v6addrs);
1702 		diff -= sizeof(flow->addrs.tipckey);
1705 	return sizeof(*flow) - diff;
1708 __be32 flow_get_u32_src(const struct flow_keys *flow)
1710 	switch (flow->control.addr_type) {
1712 		return flow->addrs.v4addrs.src;
1715 			&flow->addrs.v6addrs.src);
1717 		return flow->addrs.tipckey.key;
1724 __be32 flow_get_u32_dst(const struct flow_keys *flow)
1726 	switch (flow->control.addr_type) {
1728 		return flow->addrs.v4addrs.dst;
1731 			&flow->addrs.v6addrs.dst);
1815 			   const struct flow_keys *flow)
1824 	data->n_proto = flow->basic.n_proto;
1825 	data->ip_proto = flow->basic.ip_proto;
1826 	data->ports = flow->ports.ports;
1827 	data->src = flow->addrs.v4addrs.src;
1828 	data->dst = flow->addrs.v4addrs.dst;
1849  * __skb_get_hash: calculate a flow hash
1850  * @skb: sk_buff to calculate flow hash from
1852  * This function calculates a flow hash based on src/dst addresses