121 lines
3.0 KiB
C
121 lines
3.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/* Copyright (c) 2021, Intel Corporation. */
|
|
|
|
#ifndef _IAVF_FDIR_H_
|
|
#define _IAVF_FDIR_H_
|
|
|
|
struct iavf_adapter;
|
|
|
|
/* State of Flow Director filter */
|
|
enum iavf_fdir_fltr_state_t {
|
|
IAVF_FDIR_FLTR_ADD_REQUEST, /* User requests to add filter */
|
|
IAVF_FDIR_FLTR_ADD_PENDING, /* Filter pending add by the PF */
|
|
IAVF_FDIR_FLTR_DEL_REQUEST, /* User requests to delete filter */
|
|
IAVF_FDIR_FLTR_DEL_PENDING, /* Filter pending delete by the PF */
|
|
IAVF_FDIR_FLTR_ACTIVE, /* Filter is active */
|
|
};
|
|
|
|
enum iavf_fdir_flow_type {
|
|
/* NONE - used for undef/error */
|
|
IAVF_FDIR_FLOW_NONE = 0,
|
|
IAVF_FDIR_FLOW_IPV4_TCP,
|
|
IAVF_FDIR_FLOW_IPV4_UDP,
|
|
IAVF_FDIR_FLOW_IPV4_SCTP,
|
|
IAVF_FDIR_FLOW_IPV4_AH,
|
|
IAVF_FDIR_FLOW_IPV4_ESP,
|
|
IAVF_FDIR_FLOW_IPV4_OTHER,
|
|
IAVF_FDIR_FLOW_IPV6_TCP,
|
|
IAVF_FDIR_FLOW_IPV6_UDP,
|
|
IAVF_FDIR_FLOW_IPV6_SCTP,
|
|
IAVF_FDIR_FLOW_IPV6_AH,
|
|
IAVF_FDIR_FLOW_IPV6_ESP,
|
|
IAVF_FDIR_FLOW_IPV6_OTHER,
|
|
IAVF_FDIR_FLOW_NON_IP_L2,
|
|
/* MAX - this must be last and add anything new just above it */
|
|
IAVF_FDIR_FLOW_PTYPE_MAX,
|
|
};
|
|
|
|
/* Must not exceed the array element number of '__be32 data[2]' in the ethtool
|
|
* 'struct ethtool_rx_flow_spec.m_ext.data[2]' to express the flex-byte (word).
|
|
*/
|
|
#define IAVF_FLEX_WORD_NUM 2
|
|
|
|
struct iavf_flex_word {
|
|
u16 offset;
|
|
u16 word;
|
|
};
|
|
|
|
struct iavf_ipv4_addrs {
|
|
__be32 src_ip;
|
|
__be32 dst_ip;
|
|
};
|
|
|
|
struct iavf_ipv6_addrs {
|
|
struct in6_addr src_ip;
|
|
struct in6_addr dst_ip;
|
|
};
|
|
|
|
struct iavf_fdir_eth {
|
|
__be16 etype;
|
|
};
|
|
|
|
struct iavf_fdir_ip {
|
|
union {
|
|
struct iavf_ipv4_addrs v4_addrs;
|
|
struct iavf_ipv6_addrs v6_addrs;
|
|
};
|
|
__be16 src_port;
|
|
__be16 dst_port;
|
|
__be32 l4_header; /* first 4 bytes of the layer 4 header */
|
|
__be32 spi; /* security parameter index for AH/ESP */
|
|
union {
|
|
u8 tos;
|
|
u8 tclass;
|
|
};
|
|
u8 proto;
|
|
};
|
|
|
|
struct iavf_fdir_extra {
|
|
u32 usr_def[IAVF_FLEX_WORD_NUM];
|
|
};
|
|
|
|
/* bookkeeping of Flow Director filters */
|
|
struct iavf_fdir_fltr {
|
|
enum iavf_fdir_fltr_state_t state;
|
|
struct list_head list;
|
|
|
|
enum iavf_fdir_flow_type flow_type;
|
|
|
|
struct iavf_fdir_eth eth_data;
|
|
struct iavf_fdir_eth eth_mask;
|
|
|
|
struct iavf_fdir_ip ip_data;
|
|
struct iavf_fdir_ip ip_mask;
|
|
|
|
struct iavf_fdir_extra ext_data;
|
|
struct iavf_fdir_extra ext_mask;
|
|
|
|
enum virtchnl_action action;
|
|
|
|
/* flex byte filter data */
|
|
u8 ip_ver; /* used to adjust the flex offset, 4 : IPv4, 6 : IPv6 */
|
|
u8 flex_cnt;
|
|
struct iavf_flex_word flex_words[IAVF_FLEX_WORD_NUM];
|
|
|
|
u32 flow_id;
|
|
|
|
u32 loc; /* Rule location inside the flow table */
|
|
u32 q_index;
|
|
|
|
struct virtchnl_fdir_add vc_add_msg;
|
|
};
|
|
|
|
int iavf_validate_fdir_fltr_masks(struct iavf_adapter *adapter,
|
|
struct iavf_fdir_fltr *fltr);
|
|
int iavf_fill_fdir_add_msg(struct iavf_adapter *adapter, struct iavf_fdir_fltr *fltr);
|
|
void iavf_print_fdir_fltr(struct iavf_adapter *adapter, struct iavf_fdir_fltr *fltr);
|
|
bool iavf_fdir_is_dup_fltr(struct iavf_adapter *adapter, struct iavf_fdir_fltr *fltr);
|
|
void iavf_fdir_list_add_fltr(struct iavf_adapter *adapter, struct iavf_fdir_fltr *fltr);
|
|
struct iavf_fdir_fltr *iavf_find_fdir_fltr_by_loc(struct iavf_adapter *adapter, u32 loc);
|
|
#endif /* _IAVF_FDIR_H_ */
|