From: Stephen Hemminger <stephen@networkplumber.org>
To: dev@dpdk.org
Cc: Stephen Hemminger <stephen@networkplumber.org>
Subject: [dpdk-dev] [PATCH] af_packet: allow configuring number of rings
Date: Mon, 24 Feb 2020 15:11:18 -0800 [thread overview]
Message-ID: <20200224231117.16354-1-stephen@networkplumber.org> (raw)
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 <stephen@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
next reply other threads:[~2020-02-24 23:11 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-24 23:11 Stephen Hemminger [this message]
2020-02-27 17:20 ` Ferruh Yigit
2020-02-27 17:51 ` Stephen Hemminger
2020-02-27 17:55 ` Ferruh Yigit
2020-02-27 20:00 ` [dpdk-dev] [PATCH v2] net/af_packet: remove limitation on number of qpairs Stephen Hemminger
2020-02-27 20:56 ` John W. Linville
2020-03-02 16:24 ` Ferruh Yigit
2020-03-02 16:43 ` Stephen Hemminger
2020-03-02 17:20 ` Ferruh Yigit
2020-02-28 10:08 ` Ferruh Yigit
2020-02-28 16:52 ` John W. Linville
2020-03-02 16:17 ` Ferruh Yigit
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