The maximum number of rings in af_packet is hard coded as 16.
The user should be able to configure this as part of DPDK config.
Signed-off-by: Stephen Hemminger <step...@networkplumber.org>
---
config/common_base | 1 +
drivers/net/af_packet/rte_eth_af_packet.c | 3 +++
2 files changed, 4 insertions(+)
diff --git a/config/common_base b/config/common_base
index 6ea9c63cc36b..dd154a474b57 100644
--- a/config/common_base
+++ b/config/common_base
@@ -468,6 +468,7 @@ CONFIG_RTE_LIBRTE_VMXNET3_DEBUG_TX_FREE=n
# Compile software PMD backed by AF_PACKET sockets (Linux only)
#
CONFIG_RTE_LIBRTE_PMD_AF_PACKET=n
+CONFIG_RTE_PMD_AF_PACKET_MAX_RINGS=16
#
# Compile software PMD backed by AF_XDP sockets (Linux only)
diff --git a/drivers/net/af_packet/rte_eth_af_packet.c
b/drivers/net/af_packet/rte_eth_af_packet.c
index f5806bf42c46..6e90d231ca4f 100644
--- a/drivers/net/af_packet/rte_eth_af_packet.c
+++ b/drivers/net/af_packet/rte_eth_af_packet.c
@@ -6,6 +6,7 @@
* All rights reserved.
*/
+#include <rte_config.h>
#include <rte_string_fns.h>
#include <rte_mbuf.h>
#include <rte_ethdev_driver.h>
@@ -37,7 +38,9 @@
#define DFLT_FRAME_SIZE (1 << 11)
#define DFLT_FRAME_COUNT (1 << 9)
+#ifndef RTE_PMD_AF_PACKET_MAX_RINGS
#define RTE_PMD_AF_PACKET_MAX_RINGS 16
+#endif
struct pkt_rx_queue {
int sockfd;
--
2.20.1
