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authorQi Zhang <qi.z.zhang@intel.com>2017-01-17 16:45:10 +0800
committerFerruh Yigit <ferruh.yigit@intel.com>2017-01-17 19:41:43 +0100
commit26b83c86a6385d4e90c52803a9446de5923afa58 (patch)
tree3dfe551f769af09aa1d7289e313ee396fc7ad43a
parentae57070ca8b7e1018f1789f5ebb129611517add4 (diff)
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dpdk-26b83c86a6385d4e90c52803a9446de5923afa58.tar.gz
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net/i40e: enable VF MTU change
This patch implement mtu_set ops for i40e VF. Signed-off-by: Qi Zhang <qi.z.zhang@intel.com> Acked-by: Helin Zhang <helin.zhang@intel.com> Acked-by: Vincent Jardin <vincent.jardin@6wind.com>
-rw-r--r--drivers/net/i40e/i40e_ethdev_vf.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c
index f50ac2d..b292d1d 100644
--- a/drivers/net/i40e/i40e_ethdev_vf.c
+++ b/drivers/net/i40e/i40e_ethdev_vf.c
@@ -151,6 +151,7 @@ static int i40evf_dev_rss_hash_update(struct rte_eth_dev *dev,
struct rte_eth_rss_conf *rss_conf);
static int i40evf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
struct rte_eth_rss_conf *rss_conf);
+static int i40evf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
static int
i40evf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id);
static int
@@ -225,6 +226,7 @@ static const struct eth_dev_ops i40evf_eth_dev_ops = {
.reta_query = i40evf_dev_rss_reta_query,
.rss_hash_update = i40evf_dev_rss_hash_update,
.rss_hash_conf_get = i40evf_dev_rss_hash_conf_get,
+ .mtu_set = i40evf_dev_mtu_set,
};
/*
@@ -2653,3 +2655,34 @@ i40evf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
return 0;
}
+
+static int
+i40evf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
+{
+ struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
+ struct rte_eth_dev_data *dev_data = vf->dev_data;
+ uint32_t frame_size = mtu + ETHER_HDR_LEN
+ + ETHER_CRC_LEN + I40E_VLAN_TAG_SIZE;
+ int ret = 0;
+
+ /* check if mtu is within the allowed range */
+ if ((mtu < ETHER_MIN_MTU) || (frame_size > I40E_FRAME_SIZE_MAX))
+ return -EINVAL;
+
+ /* mtu setting is forbidden if port is start */
+ if (dev_data->dev_started) {
+ PMD_DRV_LOG(ERR,
+ "port %d must be stopped before configuration\n",
+ dev_data->port_id);
+ return -EBUSY;
+ }
+
+ if (frame_size > ETHER_MAX_LEN)
+ dev_data->dev_conf.rxmode.jumbo_frame = 1;
+ else
+ dev_data->dev_conf.rxmode.jumbo_frame = 0;
+
+ dev_data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
+
+ return ret;
+}