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-rw-r--r--trafgen.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/trafgen.c b/trafgen.c
index b40d362..5f3555a 100644
--- a/trafgen.c
+++ b/trafgen.c
@@ -743,7 +743,7 @@ static void xmit_fastpath_or_die(struct ctx *ctx, unsigned int cpu, unsigned lon
{
int ifindex = dev_io_ifindex_get(ctx->dev_out);
uint8_t *out = NULL;
- unsigned int it = 0;
+ unsigned int it = 0, retry = 100;
unsigned long num = 1, i = 0;
size_t size = ring_size(dev_io_name_get(ctx->dev_out), ctx->reserve_size);
struct ring tx_ring;
@@ -812,7 +812,8 @@ static void xmit_fastpath_or_die(struct ctx *ctx, unsigned int cpu, unsigned lon
bug_on(gettimeofday(&end, NULL));
timersub(&end, &start, &diff);
- pull_and_flush_tx_ring_wait(sock);
+ while (pull_and_flush_tx_ring_wait(sock) < 0 && errno == ENOBUFS && retry-- > 0)
+ usleep(10000);
destroy_tx_ring(sock, &tx_ring);
stats[cpu].tx_packets = tx_packets;