[dpdk-dev] [PATCH] pipeline: use unsigned constants for left shift operations

[Panu Matilainen]

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 at redhat.com>
---
 examples/ip_pipeline/pipeline/pipeline_common_fe.c | 4 ++--
 examples/ip_pipeline/pipeline/pipeline_firewall.c  | 4 ++--
 examples/ip_pipeline/pipeline/pipeline_routing.c   | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/examples/ip_pipeline/pipeline/pipeline_common_fe.c 
b/examples/ip_pipeline/pipeline/pipeline_common_fe.c
index bffc9a4..a691d42 100644
--- 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
--- 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..62a5eec 100644
--- 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 = (~U0) << (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;
-- 
2.5.0