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Diffstat (limited to 'slirp/if.c')
-rw-r--r--slirp/if.c50
1 files changed, 23 insertions, 27 deletions
diff --git a/slirp/if.c b/slirp/if.c
index 58ab4c7..75b15e4 100644
--- a/slirp/if.c
+++ b/slirp/if.c
@@ -7,12 +7,6 @@
#include <slirp.h>
-int if_queued = 0; /* Number of packets queued so far */
-
-struct mbuf if_fastq; /* fast queue (for interactive data) */
-struct mbuf if_batchq; /* queue for non-interactive data */
-struct mbuf *next_m; /* Pointer to next mbuf to output */
-
#define ifs_init(ifm) ((ifm)->ifs_next = (ifm)->ifs_prev = (ifm))
static void
@@ -32,11 +26,11 @@ ifs_remque(struct mbuf *ifm)
}
void
-if_init(void)
+if_init(Slirp *slirp)
{
- if_fastq.ifq_next = if_fastq.ifq_prev = &if_fastq;
- if_batchq.ifq_next = if_batchq.ifq_prev = &if_batchq;
- next_m = &if_batchq;
+ slirp->if_fastq.ifq_next = slirp->if_fastq.ifq_prev = &slirp->if_fastq;
+ slirp->if_batchq.ifq_next = slirp->if_batchq.ifq_prev = &slirp->if_batchq;
+ slirp->next_m = &slirp->if_batchq;
}
/*
@@ -55,6 +49,7 @@ if_init(void)
void
if_output(struct socket *so, struct mbuf *ifm)
{
+ Slirp *slirp = ifm->slirp;
struct mbuf *ifq;
int on_fastq = 1;
@@ -79,7 +74,8 @@ if_output(struct socket *so, struct mbuf *ifm)
* We mustn't put this packet back on the fastq (or we'll send it out of order)
* XXX add cache here?
*/
- for (ifq = if_batchq.ifq_prev; ifq != &if_batchq; ifq = ifq->ifq_prev) {
+ for (ifq = slirp->if_batchq.ifq_prev; ifq != &slirp->if_batchq;
+ ifq = ifq->ifq_prev) {
if (so == ifq->ifq_so) {
/* A match! */
ifm->ifq_so = so;
@@ -90,7 +86,7 @@ if_output(struct socket *so, struct mbuf *ifm)
/* No match, check which queue to put it on */
if (so && (so->so_iptos & IPTOS_LOWDELAY)) {
- ifq = if_fastq.ifq_prev;
+ ifq = slirp->if_fastq.ifq_prev;
on_fastq = 1;
/*
* Check if this packet is a part of the last
@@ -102,7 +98,7 @@ if_output(struct socket *so, struct mbuf *ifm)
goto diddit;
}
} else
- ifq = if_batchq.ifq_prev;
+ ifq = slirp->if_batchq.ifq_prev;
/* Create a new doubly linked list for this session */
ifm->ifq_so = so;
@@ -110,7 +106,7 @@ if_output(struct socket *so, struct mbuf *ifm)
insque(ifm, ifq);
diddit:
- ++if_queued;
+ slirp->if_queued++;
if (so) {
/* Update *_queued */
@@ -130,7 +126,7 @@ diddit:
remque(ifm->ifs_next);
/* ...And insert in the new. That'll teach ya! */
- insque(ifm->ifs_next, &if_batchq);
+ insque(ifm->ifs_next, &slirp->if_batchq);
}
}
@@ -138,7 +134,7 @@ diddit:
/*
* This prevents us from malloc()ing too many mbufs
*/
- if_start();
+ if_start(ifm->slirp);
#endif
}
@@ -155,13 +151,13 @@ diddit:
* to the first, etc. etc.
*/
void
-if_start(void)
+if_start(Slirp *slirp)
{
struct mbuf *ifm, *ifqt;
DEBUG_CALL("if_start");
- if (if_queued == 0)
+ if (slirp->if_queued == 0)
return; /* Nothing to do */
again:
@@ -173,22 +169,22 @@ if_start(void)
* See which queue to get next packet from
* If there's something in the fastq, select it immediately
*/
- if (if_fastq.ifq_next != &if_fastq) {
- ifm = if_fastq.ifq_next;
+ if (slirp->if_fastq.ifq_next != &slirp->if_fastq) {
+ ifm = slirp->if_fastq.ifq_next;
} else {
/* Nothing on fastq, see if next_m is valid */
- if (next_m != &if_batchq)
- ifm = next_m;
+ if (slirp->next_m != &slirp->if_batchq)
+ ifm = slirp->next_m;
else
- ifm = if_batchq.ifq_next;
+ ifm = slirp->if_batchq.ifq_next;
/* Set which packet to send on next iteration */
- next_m = ifm->ifq_next;
+ slirp->next_m = ifm->ifq_next;
}
/* Remove it from the queue */
ifqt = ifm->ifq_prev;
remque(ifm);
- --if_queued;
+ slirp->if_queued--;
/* If there are more packets for this session, re-queue them */
if (ifm->ifs_next != /* ifm->ifs_prev != */ ifm) {
@@ -204,10 +200,10 @@ if_start(void)
}
/* Encapsulate the packet for sending */
- if_encap((uint8_t *)ifm->m_data, ifm->m_len);
+ if_encap(slirp, (uint8_t *)ifm->m_data, ifm->m_len);
m_free(ifm);
- if (if_queued)
+ if (slirp->if_queued)
goto again;
}