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Defined in 1 files as a function:

Referenced in 3 files:

Smatch caller information:

drivers/net/ethernet/netronome/nfp/bpf/main.c nfp_net_ebpf_capable() -> nn_readb()

Type Parameter Key Value
PARAM_VALUE 0 nn 4096-ptr_max
PARAM_VALUE 1 off 128
BUF_SIZE 0 nn (-1),16,32,40,48,88,208,544,936,145664
BUF_SIZE 0 nn (-1),16,32,40,48,88,208,544,936,145664
BUF_SIZE 0 nn->pdev (-1),1-s32max
DATA_SOURCE 0 nn $0
BIT_INFO 0 nn->cap 0x8000000,0xffffffff
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 nn->cap 0-u32max[c]
HOST_DATA 0 nn->cap_w1 0-u32max
HOST_DATA 0 nn->dp.ctrl 0-u32max[c]
HOST_DATA 0 nn->dp.mtu 0-s32max[c]
HOST_DATA 0 nn->dp.netdev->num_napi_configs 1-u32max
HOST_DATA 0 nn->dp.netdev->num_rx_queues 1-u32max[c]
HOST_DATA 0 nn->dp.netdev->num_tx_queues 1-u16max[c]
HOST_DATA 0 nn->dp.netdev->priv_len 0,8,12,16,24,32,40,48,64,80,104,112,128,144,152,168,216,224,232
HOST_DATA 0 nn->dp.netdev->real_num_rx_queues 1-u32max
HOST_DATA 0 nn->dp.netdev->real_num_tx_queues 1-u16max
HOST_DATA 0 nn->dp.num_r_vecs 0-s32max[c]
HOST_DATA 0 nn->dp.num_rx_rings 0-s32max[c]
HOST_DATA 0 nn->dp.num_tx_rings 0-s32max[c]
HOST_DATA 0 nn->dp.rx_offset 0-64
HOST_DATA 0 nn->max_mtu 0-u32max
HOST_DATA 0 nn->max_r_vecs 0-s32max[c]
HOST_DATA 0 nn->max_rx_rings 0-u32max
HOST_DATA 0 nn->max_tx_rings 0-u32max
HOST_DATA 0 nn->pdev->acs_capabilities 0-u16max
HOST_DATA 0 nn->pdev->class 0-16777215
HOST_DATA 0 nn->pdev->current_state 0-3[c]
HOST_DATA 0 nn->pdev->devcap 0-u32max
HOST_DATA 0 nn->pdev->devfn 0-503[c]
HOST_DATA 0 nn->pdev->device 0-u16max
HOST_DATA 0 nn->pdev->eetlp_prefix_max 0-7[c]
HOST_DATA 0 nn->pdev->fm_enabled 0-1[c]
HOST_DATA 0 nn->pdev->hdr_type 0-255[c]
HOST_DATA 0 nn->pdev->ide_cfg 0-1[c]
HOST_DATA 0 nn->pdev->ide_tee_limit 0-1[c]
HOST_DATA 0 nn->pdev->irq 0-255
HOST_DATA 0 nn->pdev->is_cxl 0-1
HOST_DATA 0 nn->pdev->multifunction 0-1[c]
HOST_DATA 0 nn->pdev->nr_ide_mem 0-255[c]
HOST_DATA 0 nn->pdev->pcie_mpss 0-7[c]
HOST_DATA 0 nn->pdev->pin 0
HOST_DATA 0 nn->pdev->pme_support 0-31[c]
HOST_DATA 0 nn->pdev->ptm_granularity 0-255[c]
HOST_DATA 0 nn->pdev->revision 0-255
HOST_DATA 0 nn->pdev->subsystem_device 0-u16max
HOST_DATA 0 nn->pdev->subsystem_vendor 0-u16max
HOST_DATA 0 nn->pdev->supported_speeds 0,2-254[c]
HOST_DATA 0 nn->pdev->transparent 0[c]
HOST_DATA 0 nn->pdev->vendor 0-u16max
HOST_DATA 0 nn->port->dl_port.attrs.flavour 0-2,4-7
HOST_DATA 0 nn->port->dl_port.attrs.lanes 0-u32max
HOST_DATA 0 nn->port->dl_port.attrs.no_phys_port_name 0-1
HOST_DATA 0 nn->port->dl_port.attrs.pci_sf.sf 0-u32max
HOST_DATA 0 nn->port->dl_port.attrs.pci_vf.vf 0-u16max
HOST_DATA 0 nn->port->dl_port.attrs.phys.port_number 0-u32max
HOST_DATA 0 nn->port->dl_port.attrs.phys.split_subport_number 0-u32max
HOST_DATA 0 nn->port->dl_port.attrs.split 0-1
HOST_DATA 0 nn->port->dl_port.attrs.splittable 0-1
HOST_DATA 0 nn->port->dl_port.attrs.switch_id.id_len 0-32
HOST_DATA 0 nn->tlv_caps.crypto_enable_off 0
HOST_DATA 0 nn->tlv_caps.crypto_ops 0-u32max
HOST_DATA 0 nn->tlv_caps.mbox_cmsg_types 0-u32max
HOST_DATA 0 nn->tlv_caps.mbox_len 504
HOST_DATA 0 nn->tlv_caps.mbox_off 6144
HOST_DATA 0 nn->tlv_caps.me_freq_mhz 0-u32max
HOST_DATA 0 nn->tlv_caps.repr_cap 0-u32max
HOST_DATA 0 nn->tlv_caps.tls_resync_ss 0
HOST_DATA 0 nn->tlv_caps.vnic_stats_cnt 0
HOST_DATA 0 nn->tlv_caps.vnic_stats_off 0
NO_OVERFLOW_SIMPLE 0 nn->max_r_vecs
NO_OVERFLOW_SIMPLE 0 nn->port->dl_port.attrs.phys.port_number
NO_OVERFLOW_SIMPLE 0 nn->port->netdev->dev_port
HALF_LOCKED2 &block->cb_lock

drivers/net/ethernet/netronome/nfp/bpf/verifier.c nfp_bpf_finalize() -> nn_readb()

Type Parameter Key Value
PARAM_VALUE 1 off 136
LOCK2 global &bpf_devs_lock

drivers/net/ethernet/netronome/nfp/bpf/offload.c nfp_bpf_offload_check_mtu() -> nn_readb()

Type Parameter Key Value
PARAM_VALUE 0 nn 4096-ptr_max
PARAM_VALUE 1 off 137
BUF_SIZE 0 nn (-1),16,32,40,48,88,208,544,936
BUF_SIZE 0 nn (-1),16,32,40,48,88,208,544,936
DATA_SOURCE 0 nn $0
RX_PATH
TASK_NOT_RUNNING

drivers/net/ethernet/netronome/nfp/bpf/offload.c nfp_net_bpf_load() -> nn_readb()

Type Parameter Key Value
PARAM_VALUE 0 nn 4096-ptr_max
PARAM_VALUE 1 off 136
BUF_SIZE 0 nn (-1),16,32,40,48,88,208,544,936
BUF_SIZE 0 nn (-1),16,32,40,48,88,208,544,936
CAPPED_DATA 0 nn->app->priv->abi_version 1
DATA_SOURCE 0 nn $0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &block->cb_lock
HALF_LOCKED2 global &rtnl_mutex

drivers/net/ethernet/netronome/nfp/bpf/offload.c nfp_net_bpf_offload() -> nn_readb()

Type Parameter Key Value
PARAM_VALUE 0 nn 4096-ptr_max
PARAM_VALUE 1 off 129
BUF_SIZE 0 nn (-1),16,32,40,48,88,208,544,936
BUF_SIZE 0 nn (-1),16,32,40,48,88,208,544,936
CAPPED_DATA 0 nn->app->priv->abi_version 1
DATA_SOURCE 0 nn $0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &block->cb_lock
HALF_LOCKED2 global &rtnl_mutex