remove extra parentheses in return statement

[dpdk.git] / doc / guides / sample_app_ug / ipv4_multicast.rst

diff --git a/doc/guides/sample_app_ug/ipv4_multicast.rst b/doc/guides/sample_app_ug/ipv4_multicast.rst
index a9c9df8..ec76087 100644 (file)
--- a/doc/guides/sample_app_ug/ipv4_multicast.rst
+++ b/doc/guides/sample_app_ug/ipv4_multicast.rst
@@ -32,7 +32,7 @@ IPv4 Multicast Sample Application
 =================================
 
 The IPv4 Multicast application is a simple example of packet processing
-using the Intel® Data Plane Development Kit (Intel® DPDK).
+using the Data Plane Development Kit (DPDK).
 The application performs L3 multicasting.
 
 Overview
@@ -76,7 +76,7 @@ To compile the application:
 
         export RTE_TARGET=x86_64-native-linuxapp-gcc
 
-See the *Intel® DPDK Getting Started Guide* for possible RTE_TARGET values.
+See the *DPDK Getting Started Guide* for possible RTE_TARGET values.
 
 #.  Build the application:
 
@@ -126,7 +126,7 @@ In this command:
 
 *   The -q option assigns 1 queue to each lcore
 
-Refer to the *Intel® DPDK Getting Started Guide* for general information on running applications
+Refer to the *DPDK Getting Started Guide* for general information on running applications
 and the Environment Abstraction Layer (EAL) options.
 
 Explanation
@@ -222,7 +222,7 @@ Then, the number of ports in the destination portmask is calculated with the hel
 
         for (n = 0; v != 0; v &= v - 1, n++)
            ;
-        return (n);
+        return n;
     }
 
 This is done to determine which forwarding algorithm to use.
@@ -232,12 +232,12 @@ Thereafter, a destination Ethernet address is constructed:
 
 .. code-block:: c
 
-    /* construct destination ethernet address */
+    /* construct destination Ethernet address */
 
     dst_eth_addr = ETHER_ADDR_FOR_IPV4_MCAST(dest_addr);
 
 Since Ethernet addresses are also part of the multicast process, each outgoing packet carries the same destination Ethernet address.
-The destination Ethernet address is constructed from the lower 23 bits of the multicast group ORed
+The destination Ethernet address is constructed from the lower 23 bits of the multicast group OR-ed
 with the Ethernet address 01:00:5e:00:00:00, as per RFC 1112:
 
 .. code-block:: c
@@ -344,13 +344,13 @@ It is the mcast_out_pkt() function that performs the packet duplication (either
         /* Create new mbuf for the header. */
 
         if (unlikely ((hdr = rte_pktmbuf_alloc(header_pool)) == NULL))
-            return (NULL);
+            return NULL;
 
         /* If requested, then make a new clone packet. */
 
         if (use_clone != 0 && unlikely ((pkt = rte_pktmbuf_clone(pkt, clone_pool)) == NULL)) {
             rte_pktmbuf_free(hdr);
-            return (NULL);
+            return NULL;
         }
 
         /* prepend new header */
@@ -370,5 +370,5 @@ It is the mcast_out_pkt() function that performs the packet duplication (either
         hdr->ol_flags = pkt->ol_flags;
         rte_mbuf_sanity_check(hdr, RTE_MBUF_PKT, 1);
 
-        return (hdr);
+        return hdr;
     }