RTU: remove *_offset from rtu_shmem

The following were defined, initialized, but never used
--filters_offset
--vlans_offset
--mirror_offset
--rtu_ports_offset

Signed-off-by: Michal Wasiak <michal.wasiak@gmail.com>

userspace/libwr/include/libwr/rtu_shmem.h

@@ -186,17 +186,13 @@ struct rtu_port_entry {
 };
 
 /* This is the overall structure stored in shared memory */
-#define RTU_SHMEM_VERSION 5 /* Version 5, added rtu_ports */
+#define RTU_SHMEM_VERSION 6 /* Version 6, remove *_offset */
 struct rtu_shmem_header {
 	struct rtu_filtering_entry *filters;
 	struct rtu_vlan_table_entry *vlans;
 	struct rtu_mirror_info *mirror;
 	struct rtu_port_entry *rtu_ports;
 	uint32_t rtu_nports;
-	unsigned long filters_offset;
-	unsigned long vlans_offset;
-	unsigned long mirror_offset;
-	unsigned long rtu_ports_offset;
 };
 
 #endif /*  __LIBWR_RTU_SHMEM_H__ */

userspace/wrsw_rtud/rtu_fd.c

@@ -168,8 +168,6 @@ int rtu_fd_init(uint16_t poly, unsigned long aging)
 		rtu_htab = wrs_shm_alloc(rtu_shmem_p,
 					sizeof(*rtu_htab) * HTAB_ENTRIES);
 		rtu_hdr->filters = (struct rtu_filtering_entry *) rtu_htab;
-		rtu_hdr->filters_offset =
-				(void *)rtu_htab - (void *)rtu_shmem_p;
 		pr_debug("Clean filtering database.\n");
 		clean_fd(SHM_NOT_LOCK); /* clean filtering database,
 						shem already locked */
@@ -185,8 +183,6 @@ int rtu_fd_init(uint16_t poly, unsigned long aging)
 		vlan_tab = wrs_shm_alloc(rtu_shmem_p,
 					sizeof(*vlan_tab) * NUM_VLANS);
 		rtu_hdr->vlans = vlan_tab;
-		rtu_hdr->vlans_offset =
-				(void *)vlan_tab - (void *)rtu_shmem_p;
 		pr_debug("Clean vlan database.\n");
 		clean_vd(SHM_NOT_LOCK); /* clean VLAN database,
 						shem already locked */
@@ -202,8 +198,6 @@ int rtu_fd_init(uint16_t poly, unsigned long aging)
 		mirror_cfg = wrs_shm_alloc(rtu_shmem_p,
 					sizeof(*mirror_cfg) * NUM_MIRROR);
 		rtu_hdr->mirror = mirror_cfg;
-		rtu_hdr->mirror_offset =
-				(void *)mirror_cfg - (void *)rtu_shmem_p;
 		pr_debug("Clean vlan database.\n");
 		clean_mc(SHM_NOT_LOCK); /* clean port mirroring config,
 						shem already locked */
@@ -219,8 +213,6 @@ int rtu_fd_init(uint16_t poly, unsigned long aging)
 		ports_cfg = wrs_shm_alloc(rtu_shmem_p,
 					sizeof(*ports_cfg) * HAL_MAX_PORTS);
 		rtu_hdr->rtu_ports = ports_cfg;
-		rtu_hdr->rtu_ports_offset =
-				(void *)ports_cfg - (void *)rtu_shmem_p;
 		pr_debug("Clean ports database.\n");
 		rtu_hdr->rtu_nports = hal_nports_local;
 		rtu_clean_ports(SHM_NOT_LOCK); /* clean port ports config,