| #ifndef __OFFLOAD_REQ__ |
| #define __OFFLOAD_REQ__ |
| |
| #include <stdint.h> |
| |
| /* |
| * Header at the beginning of an offload policy file. |
| */ |
| struct ClassifierFileHeader { |
| unsigned int vers; // version of file format |
| int output_everything; // value of Classifier::_output_everything |
| unsigned int nrules; // value of noutputs() |
| unsigned int prog_size; // Classifier::_exprs.size() |
| unsigned int opt_prog_size; // IPFilter::_prog.size() |
| unsigned int nsettings; // IPFilter::_settings.size() |
| }; |
| |
| /* |
| * Structure holding the values that will be matched against the criteria of |
| * offload policy rules. |
| */ |
| struct OffloadReq { |
| uint32_t sip[4]; |
| uint32_t dip[4]; |
| uint16_t sport; |
| uint16_t dport; |
| uint8_t ipvers_opentype; /* bits 0-3: IP version, bits 4-7: open type */ |
| uint8_t tos; |
| uint16_t vlan; |
| uint32_t mark; |
| }; |
| |
| /* |
| * <FIELD>_WORD is the starting 32-bit word within OffloadReq of <FIELD> |
| * <FIELD>_OFFSET is the starting offset within <FIELD>_WORD of <FIELD> |
| */ |
| enum { |
| SIP_WORD = 0, SIP_OFFSET = 0, |
| DIP_WORD = 4, DIP_OFFSET = 0, |
| SPORT_WORD = 8, SPORT_OFFSET = 16, |
| DPORT_WORD = 8, DPORT_OFFSET = 0, |
| OPENTYPE_WORD = 9, OPENTYPE_OFFSET = 28, |
| VERS_WORD = 9, VERS_OFFSET = 24, |
| TOS_WORD = 9, TOS_OFFSET = 16, |
| VLAN_WORD = 9, VLAN_OFFSET = 0, |
| MARK_WORD = 10, MARK_OFFSET = 0, |
| }; |
| |
| /* |
| * Structure holding the offload settings specified by an offload policy rule. |
| */ |
| struct OffloadSettings { |
| uint8_t offload; |
| int8_t ddp; |
| int8_t rx_coalesce; |
| int8_t cong_algo; |
| int32_t bind_q; |
| int16_t sched_class; |
| int8_t tstamp; |
| int8_t sack; |
| |
| #ifdef __cplusplus |
| OffloadSettings() |
| : offload(0), ddp(-1), rx_coalesce(-1), cong_algo(-1), bind_q(-1), |
| sched_class(-1), tstamp(-1), sack(-1) |
| {} |
| #endif |
| }; |
| |
| /* |
| * Special values for OffloadSettings.bind_q |
| */ |
| enum { |
| QUEUE_RANDOM = -2, /* bind to a random queue */ |
| QUEUE_CPU = -3, /* bind to a queue detemined by CPU id */ |
| }; |
| |
| static inline uint8_t mk_ipvers_opentype(uint8_t ipvers, uint8_t open_type) |
| { |
| return (open_type << 4) | ipvers; |
| } |
| #endif |
