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net: vmxnet3: Fix incorrect rss_key_len in RSS mode #1034

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net: vmxnet3: Fix incorrect rss_key_len in RSS mode #1034

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19 changes: 15 additions & 4 deletions lib/ff_dpdk_if.c
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Original file line number Diff line number Diff line change
Expand Up @@ -676,11 +676,22 @@ init_port_start(void)
uint64_t default_rss_hf = RTE_ETH_RSS_PROTO_MASK;
port_conf.rxmode.mq_mode = RTE_ETH_MQ_RX_RSS;
port_conf.rx_adv_conf.rss_conf.rss_hf = default_rss_hf;
if (dev_info.hash_key_size == 52) {
rsskey = default_rsskey_52bytes;
rsskey_len = 52;
switch (dev_info.hash_key_size) {
case 40:
rsskey = default_rsskey_40bytes;
rsskey_len = 40;
break;
case 52:
rsskey = default_rsskey_52bytes;
rsskey_len = 52;
break;
default:
ff_log(FF_LOG_INFO, FF_LOGTYPE_FSTACK_LIB, "Unsupported RSS key length 40 or 52 bytes, use NIC default\n");
rsskey = NULL;
rsskey_len = 0;
break;
}
if (ff_global_cfg.dpdk.symmetric_rss) {
if (ff_global_cfg.dpdk.symmetric_rss && dev_info.hash_key_size != 0) {
ff_log(FF_LOG_INFO, FF_LOGTYPE_FSTACK_LIB, "Use symmetric Receive-side Scaling(RSS) key\n");
rsskey = symmetric_rsskey;
}
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