From: "Chen Jing D(Mark)" <jing.d.chen@intel.com>
To: dev@dpdk.org
Cc: shaopeng.he@intel.com
Subject: [dpdk-dev] [PATCH 2/6] fm10k: Fix jumbo frame issue
Date: Fri, 29 May 2015 16:10:40 +0800 [thread overview]
Message-ID: <1432887044-24777-3-git-send-email-jing.d.chen@intel.com> (raw)
In-Reply-To: <1432887044-24777-1-git-send-email-jing.d.chen@intel.com>
From: "Chen Jing D(Mark)" <jing.d.chen@intel.com>
fm10k can't receive frame greater than 1536 and Scatter RX
function can't work correctly. The root cause is
SRRCTL.FM10K_SRRCTL_BUFFER_CHAINING_EN bit is not enabled.
Signed-off-by: Chen Jing D(Mark) <jing.d.chen@intel.com>
---
drivers/net/fm10k/fm10k_ethdev.c | 12 ++++++------
1 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c
index a5e09a0..19e718b 100644
--- a/drivers/net/fm10k/fm10k_ethdev.c
+++ b/drivers/net/fm10k/fm10k_ethdev.c
@@ -439,9 +439,14 @@ fm10k_dev_rx_init(struct rte_eth_dev *dev)
/* It adds dual VLAN length for supporting dual VLAN */
if ((dev->data->dev_conf.rxmode.max_rx_pkt_len +
- 2 * FM10K_VLAN_TAG_SIZE) > buf_size){
+ 2 * FM10K_VLAN_TAG_SIZE) > buf_size ||
+ dev->data->dev_conf.rxmode.enable_scatter) {
+ uint32_t reg;
dev->data->scattered_rx = 1;
dev->rx_pkt_burst = fm10k_recv_scattered_pkts;
+ reg = FM10K_READ_REG(hw, FM10K_SRRCTL(i));
+ reg |= FM10K_SRRCTL_BUFFER_CHAINING_EN;
+ FM10K_WRITE_REG(hw, FM10K_SRRCTL(i), reg);
}
/* Enable drop on empty, it's RO for VF */
@@ -452,11 +457,6 @@ fm10k_dev_rx_init(struct rte_eth_dev *dev)
FM10K_WRITE_FLUSH(hw);
}
- if (dev->data->dev_conf.rxmode.enable_scatter) {
- dev->rx_pkt_burst = fm10k_recv_scattered_pkts;
- dev->data->scattered_rx = 1;
- }
-
/* Configure RSS if applicable */
fm10k_dev_mq_rx_configure(dev);
return 0;
--
1.7.7.6
next prev parent reply other threads:[~2015-05-29 8:10 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-29 8:10 [dpdk-dev] [PATCH 0/6] fm10k: A series of bug fixes Chen Jing D(Mark)
2015-05-29 8:10 ` [dpdk-dev] [PATCH 1/6] fm10k: Fix improper RX buffer size assignment Chen Jing D(Mark)
2015-06-16 11:55 ` Qiu, Michael
2015-05-29 8:10 ` Chen Jing D(Mark) [this message]
2015-06-12 1:15 ` [dpdk-dev] [PATCH 2/6] fm10k: Fix jumbo frame issue Qiu, Michael
2015-05-29 8:10 ` [dpdk-dev] [PATCH 3/6] fm10k: Fix data integrity issue with multi-segment frame Chen Jing D(Mark)
2015-06-16 12:07 ` Qiu, Michael
2015-05-29 8:10 ` [dpdk-dev] [PATCH 4/6] fm10k: Fix issue that MAC addr can't be set to silicon Chen Jing D(Mark)
2015-06-09 16:23 ` Qiu, Michael
2015-06-10 5:34 ` Chen, Jing D
2015-06-12 2:03 ` Qiu, Michael
2015-05-29 8:10 ` [dpdk-dev] [PATCH 5/6] fm10k: Do sanity check on mac address Chen Jing D(Mark)
2015-06-16 12:08 ` Qiu, Michael
2015-05-29 8:10 ` [dpdk-dev] [PATCH 6/6] fm10k: Add default mac/vlan filter to SM Chen Jing D(Mark)
2015-06-08 2:39 ` [dpdk-dev] [PATCH 0/6] fm10k: A series of bug fixes He, Shaopeng
2015-06-09 15:21 ` Qiu, Michael
2015-06-22 13:55 ` Thomas Monjalon
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