net/igb: fix global variable multiple definitions

[ upstream commit b6730d9 ]

Filtering related global variables are defined in a header file which
was causing multiple definitions of the variables, fixed it by moving
them to the .c file.

Issue has been detected by '-fno-common' gcc flag.

Fixes: 22bb134 ("net/igb: create consistent filter")
Fixes: 424ae91 ("net/e1000: move RSS to flow API")

Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>

drivers/net/e1000/e1000_ethdev.h

@@ -344,17 +344,17 @@ struct igb_flow_mem {
 };
 
 TAILQ_HEAD(igb_ntuple_filter_list, igb_ntuple_filter_ele);
-struct igb_ntuple_filter_list igb_filter_ntuple_list;
+extern struct igb_ntuple_filter_list igb_filter_ntuple_list;
 TAILQ_HEAD(igb_ethertype_filter_list, igb_ethertype_filter_ele);
-struct igb_ethertype_filter_list igb_filter_ethertype_list;
+extern struct igb_ethertype_filter_list igb_filter_ethertype_list;
 TAILQ_HEAD(igb_syn_filter_list, igb_eth_syn_filter_ele);
-struct igb_syn_filter_list igb_filter_syn_list;
+extern struct igb_syn_filter_list igb_filter_syn_list;
 TAILQ_HEAD(igb_flex_filter_list, igb_flex_filter_ele);
-struct igb_flex_filter_list igb_filter_flex_list;
+extern struct igb_flex_filter_list igb_filter_flex_list;
 TAILQ_HEAD(igb_rss_filter_list, igb_rss_conf_ele);
-struct igb_rss_filter_list igb_filter_rss_list;
+extern struct igb_rss_filter_list igb_filter_rss_list;
 TAILQ_HEAD(igb_flow_mem_list, igb_flow_mem);
-struct igb_flow_mem_list igb_flow_list;
+extern struct igb_flow_mem_list igb_flow_list;
 
 extern const struct rte_flow_ops igb_flow_ops;
 

drivers/net/e1000/igb_flow.c

@@ -49,6 +49,13 @@
 
 #define	IGB_FLEX_RAW_NUM	12
 
+struct igb_flow_mem_list igb_flow_list;
+struct igb_ntuple_filter_list igb_filter_ntuple_list;
+struct igb_ethertype_filter_list igb_filter_ethertype_list;
+struct igb_syn_filter_list igb_filter_syn_list;
+struct igb_flex_filter_list igb_filter_flex_list;
+struct igb_rss_filter_list igb_filter_rss_list;
+
 /**
  * Please aware there's an asumption for all the parsers.
  * rte_flow_item is using big endian, rte_flow_attr and