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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/net/ethernet/intel/iavf/iavf_fdir.h | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/intel/iavf/iavf_fdir.h')
-rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_fdir.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/iavf/iavf_fdir.h b/drivers/net/ethernet/intel/iavf/iavf_fdir.h new file mode 100644 index 000000000..d31bd923b --- /dev/null +++ b/drivers/net/ethernet/intel/iavf/iavf_fdir.h @@ -0,0 +1,133 @@ +/* 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 + * + * *_REQUEST states are used to mark filter to be sent to PF driver to perform + * an action (either add or delete filter). *_PENDING states are an indication + * that request was sent to PF and the driver is waiting for response. + * + * Both DELETE and DISABLE states are being used to delete a filter in PF. + * The difference is that after a successful response filter in DEL_PENDING + * state is being deleted from VF driver as well and filter in DIS_PENDING state + * is being changed to INACTIVE state. + */ +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_DIS_REQUEST, /* Filter scheduled to be disabled */ + IAVF_FDIR_FLTR_DIS_PENDING, /* Filter pending disable by the PF */ + IAVF_FDIR_FLTR_INACTIVE, /* Filter inactive on link down */ + 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_ */ |