diff options
author | dzwdz | 2023-08-14 18:51:07 +0200 |
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committer | dzwdz | 2023-08-14 18:51:07 +0200 |
commit | 642b5fb0007b64c77d186fcb018d571152ee1d47 (patch) | |
tree | 1c466461f3602d306be309a053edae558ef2568e /src/user/app/netstack/ether.c | |
parent | 8050069c57b729c18c19b1a03ab6e4bf63b4735e (diff) |
reorganization: first steps
Diffstat (limited to 'src/user/app/netstack/ether.c')
-rw-r--r-- | src/user/app/netstack/ether.c | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/src/user/app/netstack/ether.c b/src/user/app/netstack/ether.c deleted file mode 100644 index 52abac2..0000000 --- a/src/user/app/netstack/ether.c +++ /dev/null @@ -1,59 +0,0 @@ -#include <camellia/syscalls.h> -#include "proto.h" -#include "util.h" - -enum { - DstMAC = 0, - SrcMAC = 6, - EtherType = 12, - Payload = 14, -}; -struct ethq *ether_queue; - -void ether_parse(const uint8_t *buf, size_t len) { - struct ethernet ether = (struct ethernet){ - .src = (void*)(buf + SrcMAC), - .dst = (void*)(buf + DstMAC), - .type = nget16(buf + EtherType), - }; - - for (struct ethq **iter = ðer_queue; iter && *iter; ) { - struct ethq *qe = *iter; - _sys_fs_respond(qe->h, buf, len, 0); - /* remove entry */ - /* yes, doing it this way here doesn't make sense. i'm preparing for filtering */ - *iter = qe->next; - free(qe); - } - - switch (ether.type) { - case ET_IPv4: - ipv4_parse(buf + Payload, len - Payload, ether); - break; - case ET_ARP: - arp_parse(buf + Payload, len - Payload); - break; - } -} - -static const size_t fhoff = sizeof(size_t); -uint8_t *ether_start(size_t len, struct ethernet ether) { - if (len < 60 - Payload) len = 60 - Payload; - - if (!ether.dst) eprintf("NULL ether.dst!"); // TODO arp? i guess? - if (!ether.src) ether.src = &state.mac; - - uint8_t *buf = malloc(fhoff + Payload + len); - memset(buf, 0, fhoff + Payload + len); - *(size_t*)buf = len + Payload; - memcpy(buf + fhoff + DstMAC, ether.dst, 6); - memcpy(buf + fhoff + SrcMAC, ether.src, 6); - nput16(buf + fhoff + EtherType, ether.type); - return buf + fhoff + Payload; -} -void ether_finish(uint8_t *pkt) { - uint8_t *buf = pkt - Payload - fhoff; - size_t len = *(size_t*)buf; - _sys_write(state.raw_h, buf + fhoff, len, 0, 0); - free(buf); -} |