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authorBenoît Ganne <bganne@cisco.com>2020-05-13 14:48:01 +0200
committerDamjan Marion <dmarion@me.com>2020-05-14 12:25:27 +0000
commit31eb471d0cb0105ab74ee637028f4ab3cc00cf2a (patch)
treee0420f75015dc67db42dc14ca2c8d1620ecb13e6 /src/plugins/ikev2
parent3f0579e8df831d42745e0b97191eb5e4bcffb011 (diff)
dpdk: fix crash with chelsio pmd
cxgbe PMD initializes its control channel as part of dev_configure(), and trying to get link status prior to it will lead to a crash. DPDK documentation loosely hints that we should not call any device function before dev_start(), call link_state() only for the relevant PMDs. From DPDK API documentation: The functions exported by the application Ethernet API to setup a device designated by its port identifier must be invoked in the following order: rte_eth_dev_configure() rte_eth_tx_queue_setup() rte_eth_rx_queue_setup() rte_eth_dev_start() Then, the network application can invoke, in any order, the functions exported by the Ethernet API to get the MAC address of a given device, to get the speed and the status of a device physical link, to receive/transmit [burst of] packets, and so on. Type: fix Change-Id: I12d2ab4d84e6bd72a9f695447e86f3222929c804 Signed-off-by: Benoît Ganne <bganne@cisco.com>
Diffstat (limited to 'src/plugins/ikev2')
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