eal/freebsd: fix config creation

The config create function did not store the mem config address in
the shared memconfig structure, so the secondary processes couldn't
map it at the required address.

Fixes: b149a7064261 ("eal/freebsd: add config reattach in secondary process")
Cc: stable@dpdk.org
Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>

diff --git a/lib/librte_eal/freebsd/eal/eal.c b/lib/librte_eal/freebsd/eal/eal.c
index 13ca120..d53f0fe 100644 (file)
--- a/lib/librte_eal/freebsd/eal/eal.c
+++ b/lib/librte_eal/freebsd/eal/eal.c
@@ -266,6 +266,11 @@ rte_eal_config_create(void)
        memcpy(rte_mem_cfg_addr, &early_mem_config, sizeof(early_mem_config));
        rte_config.mem_config = rte_mem_cfg_addr;
 
+       /* store address of the config in the config itself so that secondary
+        * processes could later map the config into this exact location
+        */
+       rte_config.mem_config->mem_cfg_addr = (uintptr_t) rte_mem_cfg_addr;
+
        return 0;
 }