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| author | Vincenzo Maffione <vmaffione@FreeBSD.org> | 2022-08-24 08:20:57 +0000 |
|---|---|---|
| committer | Vincenzo Maffione <vmaffione@FreeBSD.org> | 2022-08-24 08:20:57 +0000 |
| commit | 9a7abd932727dbf593cda85b18de87855b2e7e06 (patch) | |
| tree | d28e24d63ee0360956f57447df9a3f3239d56e79 /tools/tools/netmap | |
| parent | 345bfec1090571ea219263c99eed29de27e143c8 (diff) | |
| download | src-9a7abd932727dbf593cda85b18de87855b2e7e06.tar.gz src-9a7abd932727dbf593cda85b18de87855b2e7e06.zip | |
pkt-gen: flip IPv4 address in ping-pong mode
MFC after: 7 days
Diffstat (limited to 'tools/tools/netmap')
| -rw-r--r-- | tools/tools/netmap/pkt-gen.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tools/tools/netmap/pkt-gen.c b/tools/tools/netmap/pkt-gen.c index f43469cf7ad6..7ae4d60f8813 100644 --- a/tools/tools/netmap/pkt-gen.c +++ b/tools/tools/netmap/pkt-gen.c @@ -1322,6 +1322,10 @@ ping_body(void *data) return NULL; } + if (targ->g->af == AF_INET6) { + D("Warning: ping-pong with IPv6 not supported"); + } + bzero(&buckets, sizeof(buckets)); clock_gettime(CLOCK_REALTIME_PRECISE, &last_print); now = last_print; @@ -1504,6 +1508,11 @@ pong_body(void *data) if (n > 0) D("understood ponger %llu but don't know how to do it", (unsigned long long)n); + + if (targ->g->af == AF_INET6) { + D("Warning: ping-pong with IPv6 not supported"); + } + while (!targ->cancel && (n == 0 || sent < n)) { uint32_t txhead, txavail; //#define BUSYWAIT @@ -1547,7 +1556,15 @@ pong_body(void *data) dpkt[3] = spkt[0]; dpkt[4] = spkt[1]; dpkt[5] = spkt[2]; + /* swap source and destination IPv4 */ + if (spkt[6] == htons(ETHERTYPE_IP)) { + dpkt[13] = spkt[15]; + dpkt[14] = spkt[16]; + dpkt[15] = spkt[13]; + dpkt[16] = spkt[14]; + } txring->slot[txhead].len = slot->len; + //dump_payload(dst, slot->len, txring, txhead); txhead = nm_ring_next(txring, txhead); txavail--; sent++; |