From 3a87a0294adac9c64084e7ba72e573c39281cd7d Mon Sep 17 00:00:00 2001
From: vmaffione <vmaffione@FreeBSD.org>
Date: Sun, 22 Nov 2020 09:38:01 +0000
Subject: [PATCH] netmap: nmreplay: switch to libnetmap

Use the newer libnetmap (included in base) rather than the older
nm_open()/nm_close() defined in netmap_user.h

MFC after:      3 days
---
 tools/tools/netmap/nmreplay.c | 55 +++++++++++++++--------------------
 1 file changed, 24 insertions(+), 31 deletions(-)

diff --git a/tools/tools/netmap/nmreplay.c b/tools/tools/netmap/nmreplay.c
index 9736f8910612..e0a9e2146119 100644
--- a/tools/tools/netmap/nmreplay.c
+++ b/tools/tools/netmap/nmreplay.c
@@ -106,11 +106,26 @@
 #define DDD(_fmt, ...)	ED("--DDD-- " _fmt, ##__VA_ARGS__)
 
 #define _GNU_SOURCE	// for CPU_SET() etc
+#include <errno.h>
+#include <fcntl.h>
+#include <libnetmap.h>
+#include <math.h> /* log, exp etc. */
+#include <pthread.h>
+#ifdef __FreeBSD__
+#include <pthread_np.h> /* pthread w/ affinity */
+#include <sys/cpuset.h> /* cpu_set */
+#endif /* __FreeBSD__ */
+#include <signal.h>
 #include <stdio.h>
-#define NETMAP_WITH_LIBS
-#include <net/netmap_user.h>
+#include <stdlib.h>
+#include <string.h> /* memcpy */
+#include <stdint.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
 #include <sys/poll.h>
-
+#include <sys/resource.h> // setpriority
+#include <sys/time.h>
+#include <unistd.h>
 
 /*
  *
@@ -242,15 +257,6 @@ static struct nm_pcap_file *readpcap(const char *fn);
 static void destroy_pcap(struct nm_pcap_file *file);
 
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <string.h> /* memcpy */
-
-#include <sys/mman.h>
-
 #define NS_SCALE 1000000000UL	/* nanoseconds in 1s */
 
 static void destroy_pcap(struct nm_pcap_file *pf)
@@ -435,18 +441,6 @@ static int verbose = 0;
 
 static int do_abort = 0;
 
-#include <stdlib.h>
-#include <stdio.h>
-#include <pthread.h>
-#include <sys/time.h>
-
-#include <sys/resource.h> // setpriority
-
-#ifdef __FreeBSD__
-#include <pthread_np.h> /* pthread w/ affinity */
-#include <sys/cpuset.h> /* cpu_set */
-#endif /* __FreeBSD__ */
-
 #ifdef linux
 #define cpuset_t        cpu_set_t
 #endif
@@ -566,7 +560,7 @@ struct _qs { /* shared queue */
 	struct nm_pcap_file	*pcap;		/* the pcap struct */
 
 	/* parameters for reading from the netmap port */
-	struct nm_desc *src_port;		/* netmap descriptor */
+	struct nmport_d *src_port;		/* netmap descriptor */
 	const char *	prod_ifname;	/* interface name or pcap file */
 	struct netmap_ring *rxring;	/* current ring being handled */
 	uint32_t	si;		/* ring index */
@@ -640,8 +634,8 @@ struct pipe_args {
 	int		cons_core;	/* core for cons() */
 	int		prod_core;	/* core for prod() */
 
-	struct nm_desc *pa;		/* netmap descriptor */
-	struct nm_desc *pb;
+	struct nmport_d *pa;		/* netmap descriptor */
+	struct nmport_d *pb;
 
 	struct _qs	q;
 };
@@ -843,7 +837,7 @@ pcap_prod(void *_pa)
     if (q->buf != NULL) {
 	free(q->buf);
     }
-    nm_close(pa->pb);
+    nmport_close(pa->pb);
     return (NULL);
 }
 
@@ -893,7 +887,7 @@ cons(void *_pa)
 	    continue;
 	}
 	/* XXX copy is inefficient but simple */
-	if (nm_inject(pa->pb, (char *)(p + 1), p->pktlen) == 0) {
+	if (nmport_inject(pa->pb, (char *)(p + 1), p->pktlen) == 0) {
 	    RD(1, "inject failed len %d now %ld tx %ld h %ld t %ld next %ld",
 		(int)p->pktlen, (u_long)q->cons_now, (u_long)p->pt_tx,
 		(u_long)q->_head, (u_long)q->_tail, (u_long)p->next);
@@ -939,7 +933,7 @@ nmreplay_main(void *_a)
     pcap_prod((void*)a);
     destroy_pcap(q->pcap);
     q->pcap = NULL;
-    a->pb = nm_open(q->cons_ifname, NULL, 0, NULL);
+    a->pb = nmport_open(q->cons_ifname);
     if (a->pb == NULL) {
 	EEE("cannot open netmap on %s", q->cons_ifname);
 	do_abort = 1; // XXX any better way ?
@@ -1372,7 +1366,6 @@ parse_bw(const char *arg)
  * 24 useful random bits.
  */
 
-#include <math.h> /* log, exp etc. */
 static inline uint64_t
 my_random24(void)	/* 24 useful bits */
 {