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From: Helin Zhang <helin.zhang@intel.com>
To: dev@dpdk.org
Date: Thu, 5 Jun 2014 13:08:51 +0800
Message-Id: <1401944951-23783-8-git-send-email-helin.zhang@intel.com>
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Subject: [dpdk-dev] [PATCH v2 07/27] ethdev: support setting maximum packet
length to less than 1518
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In ethdev, it ignores setting maximum packet length to less than
1518. The changes is to remove this limitation and let less than
1518 can be set for 'maximum packet length'.
Signed-off-by: Helin Zhang <helin.zhang@intel.com>
Signed-off-by: Jing Chen <jing.d.chen@intel.com>
Acked-by: Cunming Liang <cunming.liang@intel.com>
Acked-by: Jijiang Liu <jijiang.liu@intel.com>
Acked-by: Jingjing Wu <jingjing.wu@intel.com>
Tested-by: Waterman Cao <waterman.cao@intel.com>
---
lib/librte_ether/rte_ethdev.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 53cb7a9..1791ed7 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -657,9 +657,13 @@ rte_eth_dev_configure(uint8_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
(unsigned)ETHER_MIN_LEN);
return (-EINVAL);
}
- } else
- /* Use default value */
- dev->data->dev_conf.rxmode.max_rx_pkt_len = ETHER_MAX_LEN;
+ } else {
+ if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN ||
+ dev_conf->rxmode.max_rx_pkt_len > ETHER_MAX_LEN)
+ /* Use default value */
+ dev->data->dev_conf.rxmode.max_rx_pkt_len =
+ ETHER_MAX_LEN;
+ }
/* multipe queue mode checking */
diag = rte_eth_dev_check_mq_mode(port_id, nb_rx_q, nb_tx_q, dev_conf);
--
1.8.1.4