projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| ddccffcc | 1 | /* netisr.h 4.2 82/10/31 */ |
| a9f97ede BJ |
2 | |
| 3 | /* | |
| 4 | * The networking code runs off software interrupts. | |
| 5 | * | |
| 6 | * You can switch into the network by doing splnet() and return by splx(). | |
| 7 | * The software interrupt level for the network is higher than the software | |
| 8 | * level for the clock (so you can enter the network in routines called | |
| 9 | * at timeout time). | |
| 10 | */ | |
| ddccffcc BJ |
11 | #if sun |
| 12 | #include "../sun/sir.h" | |
| 13 | #define setsoftnet() siron(SIR_NET) | |
| 14 | #else | |
| 15 | /* #include "../vax/mtpr.h" */ | |
| a9f97ede | 16 | #define setsoftnet() mtpr(SIRR, 12) |
| ddccffcc | 17 | #endif |
| a9f97ede BJ |
18 | |
| 19 | /* | |
| 20 | * Each ``pup-level-1'' input queue has a bit in a ``netisr'' status | |
| 21 | * word which is used to de-multiplex a single software | |
| 22 | * interrupt used for scheduling the network code to calls | |
| 23 | * on the lowest level routine of each protocol. | |
| 24 | */ | |
| 25 | #define NETISR_RAW 0 /* same as AF_UNSPEC */ | |
| 26 | #define NETISR_IP 2 /* same as AF_INET */ | |
| 27 | #define NETISR_NS 6 /* same as AF_NS */ | |
| 28 | ||
| 29 | #define schednetisr(anisr) { netisr |= 1<<(anisr); setsoftnet(); } | |
| 30 | ||
| 31 | #ifndef LOCORE | |
| 32 | #ifdef KERNEL | |
| 33 | int netisr; /* scheduling bits for network */ | |
| 34 | #endif | |
| 35 | #endif |