diff options
Diffstat (limited to 'src/main_dpdk.cpp')
| -rw-r--r-- | src/main_dpdk.cpp | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/src/main_dpdk.cpp b/src/main_dpdk.cpp index 9f2b62b2..16fc2203 100644 --- a/src/main_dpdk.cpp +++ b/src/main_dpdk.cpp @@ -168,6 +168,14 @@ public: virtual CFlowStatParser *get_flow_stat_parser(); virtual int set_rcv_all(CPhyEthIF * _if, bool set_on)=0; virtual TRexPortAttr * create_port_attr(uint8_t port_id) = 0; + + /* Does this NIC type support automatic packet dropping in case of a link down? + in case it is supported the packets will be dropped, else there would be a back pressure to tx queues + this interface is used as a workaround to let TRex work without link in stateless mode, driver that + does not support that will be failed at init time because it will cause watchdog due to watchdog hang */ + virtual bool drop_packets_incase_of_linkdown() { + return (false); + } }; @@ -363,6 +371,10 @@ private: virtual int add_del_eth_type_rule(uint8_t port_id, enum rte_filter_op op, uint16_t eth_type); virtual int configure_rx_filter_rules_statefull(CPhyEthIF * _if); + virtual bool drop_packets_incase_of_linkdown() { + return (true); + } + private: uint8_t m_if_per_card; }; @@ -3412,9 +3424,15 @@ int CGlobalTRex::ixgbe_start(void){ get_ex_drv()->wait_for_stable_link(); if ( !is_all_links_are_up(true) /*&& !get_is_stateless()*/ ){ // disable start with link down for now - dump_links_status(stdout); - rte_exit(EXIT_FAILURE, " " - " one of the link is down \n"); + + /* temporary solution for trex-192 issue, solve the case for X710/XL710, will work for both Statless and Stateful */ + if ( get_ex_drv()->drop_packets_incase_of_linkdown() ){ + printf(" WARNING : there is no link on one of the ports, driver support auto drop in case of link down - continue\n"); + }else{ + dump_links_status(stdout); + rte_exit(EXIT_FAILURE, " " + " one of the link is down \n"); + } } } else { get_ex_drv()->wait_after_link_up(); |