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author | brian <brian@FreeBSD.org> | 1999-12-20 20:29:47 +0000 |
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committer | brian <brian@FreeBSD.org> | 1999-12-20 20:29:47 +0000 |
commit | 86f30d4f38c1b3bdc30e15482e3d749c9ad5f159 (patch) | |
tree | 4d30f99ffa1bad71c98e63316d2825aa89c6d082 /usr.sbin/ppp/deflate.c | |
parent | 885c27b720bff004eb536dcaab0c32778e82457e (diff) | |
download | FreeBSD-src-86f30d4f38c1b3bdc30e15482e3d749c9ad5f159.zip FreeBSD-src-86f30d4f38c1b3bdc30e15482e3d749c9ad5f159.tar.gz |
Cosmetic: Make struct mbuf more like kernel mbufs.
Diffstat (limited to 'usr.sbin/ppp/deflate.c')
-rw-r--r-- | usr.sbin/ppp/deflate.c | 113 |
1 files changed, 57 insertions, 56 deletions
diff --git a/usr.sbin/ppp/deflate.c b/usr.sbin/ppp/deflate.c index 528987b..196cf26 100644 --- a/usr.sbin/ppp/deflate.c +++ b/usr.sbin/ppp/deflate.c @@ -75,26 +75,26 @@ DeflateOutput(void *v, struct ccp *ccp, struct link *l, int pri, u_short *proto, int olen, ilen, len, res, flush; struct mbuf *mo_head, *mo, *mi_head, *mi; - ilen = mbuf_Length(mp); + ilen = m_length(mp); log_Printf(LogDEBUG, "DeflateOutput: Proto %02x (%d bytes)\n", *proto, ilen); log_DumpBp(LogDEBUG, "DeflateOutput: Compress packet:", mp); /* Stuff the protocol in front of the input */ - mi_head = mi = mbuf_Alloc(2, MB_CCPOUT); - mi->next = mp; + mi_head = mi = m_get(2, MB_CCPOUT); + mi->m_next = mp; rp = MBUF_CTOP(mi); if (*proto < 0x100) { /* Compress the protocol */ rp[0] = *proto & 0377; - mi->cnt = 1; + mi->m_len = 1; } else { /* Don't compress the protocol */ rp[0] = *proto >> 8; rp[1] = *proto & 0377; - mi->cnt = 2; + mi->m_len = 2; } /* Allocate the initial output mbuf */ - mo_head = mo = mbuf_Alloc(DEFLATE_CHUNK_LEN, MB_CCPOUT); - mo->cnt = 2; + mo_head = mo = m_get(DEFLATE_CHUNK_LEN, MB_CCPOUT); + mo->m_len = 2; wp = MBUF_CTOP(mo); *wp++ = state->seqno >> 8; *wp++ = state->seqno & 0377; @@ -105,7 +105,7 @@ DeflateOutput(void *v, struct ccp *ccp, struct link *l, int pri, u_short *proto, state->cx.next_out = wp; state->cx.avail_out = DEFLATE_CHUNK_LEN - 2; state->cx.next_in = MBUF_CTOP(mi); - state->cx.avail_in = mi->cnt; + state->cx.avail_in = mi->m_len; flush = Z_NO_FLUSH; olen = 0; @@ -115,8 +115,8 @@ DeflateOutput(void *v, struct ccp *ccp, struct link *l, int pri, u_short *proto, break; /* Done */ log_Printf(LogWARN, "DeflateOutput: deflate returned %d (%s)\n", res, state->cx.msg ? state->cx.msg : ""); - mbuf_Free(mo_head); - mbuf_FreeSeg(mi_head); + m_freem(mo_head); + m_free(mi_head); state->seqno--; return mp; /* Our dictionary's probably dead now :-( */ } @@ -124,25 +124,25 @@ DeflateOutput(void *v, struct ccp *ccp, struct link *l, int pri, u_short *proto, if (flush == Z_SYNC_FLUSH && state->cx.avail_out != 0) break; - if (state->cx.avail_in == 0 && mi->next != NULL) { - mi = mi->next; + if (state->cx.avail_in == 0 && mi->m_next != NULL) { + mi = mi->m_next; state->cx.next_in = MBUF_CTOP(mi); - state->cx.avail_in = mi->cnt; - if (mi->next == NULL) + state->cx.avail_in = mi->m_len; + if (mi->m_next == NULL) flush = Z_SYNC_FLUSH; } if (state->cx.avail_out == 0) { - mo->next = mbuf_Alloc(DEFLATE_CHUNK_LEN, MB_CCPOUT); - olen += (mo->cnt = DEFLATE_CHUNK_LEN); - mo = mo->next; - mo->cnt = 0; + mo->m_next = m_get(DEFLATE_CHUNK_LEN, MB_CCPOUT); + olen += (mo->m_len = DEFLATE_CHUNK_LEN); + mo = mo->m_next; + mo->m_len = 0; state->cx.next_out = MBUF_CTOP(mo); state->cx.avail_out = DEFLATE_CHUNK_LEN; } } - olen += (mo->cnt = DEFLATE_CHUNK_LEN - state->cx.avail_out); + olen += (mo->m_len = DEFLATE_CHUNK_LEN - state->cx.avail_out); olen -= 4; /* exclude the trailing EMPTY_BLOCK */ /* @@ -150,8 +150,8 @@ DeflateOutput(void *v, struct ccp *ccp, struct link *l, int pri, u_short *proto, * got bigger, send the original. */ if (olen >= ilen) { - mbuf_Free(mo_head); - mbuf_FreeSeg(mi_head); + m_freem(mo_head); + m_free(mi_head); log_Printf(LogDEBUG, "DeflateOutput: %d => %d: Uncompressible (0x%04x)\n", ilen, olen, *proto); ccp->uncompout += ilen; @@ -159,19 +159,20 @@ DeflateOutput(void *v, struct ccp *ccp, struct link *l, int pri, u_short *proto, return mp; } - mbuf_Free(mi_head); + m_freem(mi_head); /* * Lose the last four bytes of our output. * XXX: We should probably assert that these are the same as the * contents of EMPTY_BLOCK. */ - for (mo = mo_head, len = mo->cnt; len < olen; mo = mo->next, len += mo->cnt) + mo = mo_head; + for (len = mo->m_len; len < olen; mo = mo->m_next, len += mo->m_len) ; - mo->cnt -= len - olen; - if (mo->next != NULL) { - mbuf_Free(mo->next); - mo->next = NULL; + mo->m_len -= len - olen; + if (mo->m_next != NULL) { + m_freem(mo->m_next); + mo->m_next = NULL; } ccp->uncompout += ilen; @@ -223,7 +224,7 @@ DeflateInput(void *v, struct ccp *ccp, u_short *proto, struct mbuf *mi) else { log_Printf(LogCCP, "DeflateInput: Seq error: Got %d, expected %d\n", seq, state->seqno); - mbuf_Free(mi_head); + m_freem(mi_head); ccp_SendResetReq(&ccp->fsm); return NULL; } @@ -232,7 +233,7 @@ DeflateInput(void *v, struct ccp *ccp, u_short *proto, struct mbuf *mi) state->uncomp_rec = 0; /* Allocate an output mbuf */ - mo_head = mo = mbuf_Alloc(DEFLATE_CHUNK_LEN, MB_CCPIN); + mo_head = mo = m_get(DEFLATE_CHUNK_LEN, MB_CCPIN); /* Our proto starts with 0 if it's compressed */ wp = MBUF_CTOP(mo); @@ -244,12 +245,12 @@ DeflateInput(void *v, struct ccp *ccp, u_short *proto, struct mbuf *mi) * proto field. */ state->cx.next_in = MBUF_CTOP(mi); - state->cx.avail_in = mi->cnt; + state->cx.avail_in = mi->m_len; state->cx.next_out = wp + 1; state->cx.avail_out = 1; - ilen += mi->cnt; + ilen += mi->m_len; - flush = mi->next ? Z_NO_FLUSH : Z_SYNC_FLUSH; + flush = mi->m_next ? Z_NO_FLUSH : Z_SYNC_FLUSH; first = 1; olen = 0; @@ -259,8 +260,8 @@ DeflateInput(void *v, struct ccp *ccp, u_short *proto, struct mbuf *mi) break; /* Done */ log_Printf(LogCCP, "DeflateInput: inflate returned %d (%s)\n", res, state->cx.msg ? state->cx.msg : ""); - mbuf_Free(mo_head); - mbuf_Free(mi); + m_freem(mo_head); + m_freem(mi); ccp_SendResetReq(&ccp->fsm); return NULL; } @@ -268,11 +269,11 @@ DeflateInput(void *v, struct ccp *ccp, u_short *proto, struct mbuf *mi) if (flush == Z_SYNC_FLUSH && state->cx.avail_out != 0) break; - if (state->cx.avail_in == 0 && mi && (mi = mbuf_FreeSeg(mi)) != NULL) { + if (state->cx.avail_in == 0 && mi && (mi = m_free(mi)) != NULL) { /* underflow */ state->cx.next_in = MBUF_CTOP(mi); - ilen += (state->cx.avail_in = mi->cnt); - if (mi->next == NULL) + ilen += (state->cx.avail_in = mi->m_len); + if (mi->m_next == NULL) flush = Z_SYNC_FLUSH; } @@ -288,9 +289,9 @@ DeflateInput(void *v, struct ccp *ccp, u_short *proto, struct mbuf *mi) state->cx.avail_out = DEFLATE_CHUNK_LEN-2; first = 0; } else { - olen += (mo->cnt = DEFLATE_CHUNK_LEN); - mo->next = mbuf_Alloc(DEFLATE_CHUNK_LEN, MB_CCPIN); - mo = mo->next; + olen += (mo->m_len = DEFLATE_CHUNK_LEN); + mo->m_next = m_get(DEFLATE_CHUNK_LEN, MB_CCPIN); + mo = mo->m_next; state->cx.next_out = MBUF_CTOP(mo); state->cx.avail_out = DEFLATE_CHUNK_LEN; } @@ -298,20 +299,20 @@ DeflateInput(void *v, struct ccp *ccp, u_short *proto, struct mbuf *mi) } if (mi != NULL) - mbuf_Free(mi); + m_freem(mi); if (first) { log_Printf(LogCCP, "DeflateInput: Length error\n"); - mbuf_Free(mo_head); + m_freem(mo_head); ccp_SendResetReq(&ccp->fsm); return NULL; } - olen += (mo->cnt = DEFLATE_CHUNK_LEN - state->cx.avail_out); + olen += (mo->m_len = DEFLATE_CHUNK_LEN - state->cx.avail_out); *proto = ((u_short)wp[0] << 8) | wp[1]; - mo_head->offset += 2; - mo_head->cnt -= 2; + mo_head->m_offset += 2; + mo_head->m_len -= 2; olen -= 2; ccp->compin += ilen; @@ -348,19 +349,19 @@ DeflateDictSetup(void *v, struct ccp *ccp, u_short proto, struct mbuf *mi) * Stuff an ``uncompressed data'' block header followed by the * protocol in front of the input */ - mi_head = mbuf_Alloc(7, MB_CCPOUT); - mi_head->next = mi; - len = mbuf_Length(mi); + mi_head = m_get(7, MB_CCPOUT); + mi_head->m_next = mi; + len = m_length(mi); mi = mi_head; rp = MBUF_CTOP(mi); if (proto < 0x100) { /* Compress the protocol */ rp[5] = proto & 0377; - mi->cnt = 6; + mi->m_len = 6; len++; } else { /* Don't compress the protocol */ rp[5] = proto >> 8; rp[6] = proto & 0377; - mi->cnt = 7; + mi->m_len = 7; len += 2; } rp[0] = 0x80; /* BITS: 100xxxxx */ @@ -370,7 +371,7 @@ DeflateDictSetup(void *v, struct ccp *ccp, u_short proto, struct mbuf *mi) rp[4] = (~len) >> 8; state->cx.next_in = rp; - state->cx.avail_in = mi->cnt; + state->cx.avail_in = mi->m_len; state->cx.next_out = garbage; state->cx.avail_out = sizeof garbage; flush = Z_NO_FLUSH; @@ -387,18 +388,18 @@ DeflateDictSetup(void *v, struct ccp *ccp, u_short proto, struct mbuf *mi) log_Printf(LogCCP, "DeflateDictSetup: avail_in %d, avail_out %d\n", state->cx.avail_in, state->cx.avail_out); ccp_SendResetReq(&ccp->fsm); - mbuf_FreeSeg(mi_head); /* lose our allocated ``head'' buf */ + m_free(mi_head); /* lose our allocated ``head'' buf */ return; } if (flush == Z_SYNC_FLUSH && state->cx.avail_out != 0) break; - if (state->cx.avail_in == 0 && mi && (mi = mi->next) != NULL) { + if (state->cx.avail_in == 0 && mi && (mi = mi->m_next) != NULL) { /* underflow */ state->cx.next_in = MBUF_CTOP(mi); - state->cx.avail_in = mi->cnt; - if (mi->next == NULL) + state->cx.avail_in = mi->m_len; + if (mi->m_next == NULL) flush = Z_SYNC_FLUSH; } @@ -427,7 +428,7 @@ DeflateDictSetup(void *v, struct ccp *ccp, u_short proto, struct mbuf *mi) state->seqno++; state->uncomp_rec++; - mbuf_FreeSeg(mi_head); /* lose our allocated ``head'' buf */ + m_free(mi_head); /* lose our allocated ``head'' buf */ } static const char * |