examples/ip_pipeline: use unsigned constants for left shift operations

Tell the compiler to use unsigned constants for left shift ops,
otherwise building with gcc >= 6.0 fails due to multiple warnings like:
warning: left shift of negative value [-Wshift-negative-value]

Signed-off-by: Panu Matilainen <pmatilai@redhat.com>
Acked-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>

diff --git a/examples/ip_pipeline/pipeline/pipeline_common_fe.c b/examples/ip_pipeline/pipeline/pipeline_common_fe.c
index bffc9a4..a691d42 100644 (file)
--- a/examples/ip_pipeline/pipeline/pipeline_common_fe.c
+++ b/examples/ip_pipeline/pipeline/pipeline_common_fe.c
@@ -337,7 +337,7 @@ app_link_config(struct app_params *app,
                return -1;
        }
 
-       netmask = (~0) << (32 - depth);
+       netmask = (~0U) << (32 - depth);
        host = ip & netmask;
        bcast = host | (~netmask);
 
@@ -889,7 +889,7 @@ print_link_info(struct app_link_params *p)
 {
        struct rte_eth_stats stats;
        struct ether_addr *mac_addr;
-       uint32_t netmask = (~0) << (32 - p->depth);
+       uint32_t netmask = (~0U) << (32 - p->depth);
        uint32_t host = p->ip & netmask;
        uint32_t bcast = host | (~netmask);
 

diff --git a/examples/ip_pipeline/pipeline/pipeline_firewall.c b/examples/ip_pipeline/pipeline/pipeline_firewall.c
index 3d7ea7a..320b25d 100644 (file)
--- a/examples/ip_pipeline/pipeline/pipeline_firewall.c
+++ b/examples/ip_pipeline/pipeline/pipeline_firewall.c
@@ -256,10 +256,10 @@ app_pipeline_firewall_key_check_and_normalize(struct pipeline_firewall_key *key)
                        return -1;
 
                if (src_ip_depth)
-                       src_ip_netmask = (~0) << (32 - src_ip_depth);
+                       src_ip_netmask = (~0U) << (32 - src_ip_depth);
 
                if (dst_ip_depth)
-                       dst_ip_netmask = ((~0) << (32 - dst_ip_depth));
+                       dst_ip_netmask = ((~0U) << (32 - dst_ip_depth));
 
                key->key.ipv4_5tuple.src_ip &= src_ip_netmask;
                key->key.ipv4_5tuple.dst_ip &= dst_ip_netmask;

diff --git a/examples/ip_pipeline/pipeline/pipeline_routing.c b/examples/ip_pipeline/pipeline/pipeline_routing.c
index 6354730..eab89f2 100644 (file)
--- a/examples/ip_pipeline/pipeline/pipeline_routing.c
+++ b/examples/ip_pipeline/pipeline/pipeline_routing.c
@@ -319,7 +319,7 @@ app_pipeline_routing_add_route(struct app_params *app,
                if ((depth == 0) || (depth > 32))
                        return -1;
 
-               netmask = (~0) << (32 - depth);
+               netmask = (~0U) << (32 - depth);
                key->key.ipv4.ip &= netmask;
 
                /* data */
@@ -421,7 +421,7 @@ app_pipeline_routing_delete_route(struct app_params *app,
                if ((depth == 0) || (depth > 32))
                        return -1;
 
-               netmask = (~0) << (32 - depth);
+               netmask = (~0U) << (32 - depth);
                key->key.ipv4.ip &= netmask;
        }
        break;