[rtems commit] network: Delete unused in4_cksum()

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    c6cb9bad75cbe6cc5ea7895a7d4317168275e5b6
Changeset: http://git.rtems.org/rtems/commit/?id=c6cb9bad75cbe6cc5ea7895a7d4317168275e5b6

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Fri Apr 22 08:52:41 2016 +0200

network: Delete unused in4_cksum()

---

 cpukit/libnetworking/netinet/in_cksum_arm.h   | 41 -------------------------
 cpukit/libnetworking/netinet/in_cksum_nios2.h | 44 ---------------------------
 cpukit/libnetworking/netinet/in_cksum_sparc.h | 40 ------------------------
 3 files changed, 125 deletions(-)

diff --git a/cpukit/libnetworking/netinet/in_cksum_arm.h b/cpukit/libnetworking/netinet/in_cksum_arm.h
index 74a3c68..d884a0f 100644
--- a/cpukit/libnetworking/netinet/in_cksum_arm.h
+++ b/cpukit/libnetworking/netinet/in_cksum_arm.h
@@ -234,44 +234,3 @@ in_cksum(
     cksum =in_cksum_internal(m, 0, len, 0);
     return cksum;
 }
-
-int
-in4_cksum(
-    struct mbuf *m,
-    u_int8_t nxt,
-    int off,
-    int len )
-{
-	u_int sum = 0;
-	
-	if (nxt != 0) {
-	    /* for ADD macros */
-	    register u_int tmp1, tmp2, tmp3, tmp4;
-    	    u_char *w;
-	    struct ipovly ipov;
-	    /* pseudo header */
-	    if (off < sizeof(struct ipovly))
-		panic("in4_cksum: offset too short");
-	    if (m->m_len < sizeof(struct ip))
-		panic("in4_cksum: bad mbuf chain");
-	
-	    bzero(&ipov, sizeof(ipov));
-	    ipov.ih_len = htons(len);
-	    ipov.ih_pr = nxt;
-	    ipov.ih_src = mtod(m, struct ip *)->ip_src;
-	    ipov.ih_dst = mtod(m, struct ip *)->ip_dst;
-	    w = (u_char *)&ipov;
-	
-	    /* assumes sizeof(ipov) == 20 */
-	    ADD16;
-	    ADD4;
-	}
-	/* skip unnecessary part */
-	while (m && off > 0) {
-		if (m->m_len > off)
-			break;
-		off -= m->m_len;
-		m = m->m_next;
-	}
-	return (in_cksum_internal(m, off, len, sum));
-}
diff --git a/cpukit/libnetworking/netinet/in_cksum_nios2.h b/cpukit/libnetworking/netinet/in_cksum_nios2.h
index 8382f11..1b34a28 100644
--- a/cpukit/libnetworking/netinet/in_cksum_nios2.h
+++ b/cpukit/libnetworking/netinet/in_cksum_nios2.h
@@ -246,47 +246,3 @@ in_cksum (
 {
   return in_cksum_internal ( m, 0, len, 0 );
 }
-
-int
-in4_cksum (
-  struct mbuf *m,
-  u_int8_t nxt,
-  int off,
-  int len )
-{
-  u_int sum = 0;
-
-  if ( nxt != 0 )
-  {
-    struct ipovly ipov;
-    /* pseudo header */
-    if (off < sizeof(struct ipovly))
-      panic("in4_cksum: offset too short");
-    if (m->m_len < sizeof(struct ip))
-      panic("in4_cksum: bad mbuf chain");
-
-    bzero(&ipov, sizeof(ipov));
-    ipov.ih_len = htons(len);
-    ipov.ih_pr = nxt;
-    ipov.ih_src = mtod(m, struct ip *)->ip_src;
-    ipov.ih_dst = mtod(m, struct ip *)->ip_dst;
-    u_char * w = (u_char *)&ipov;
-
-    if ( sizeof(ipov) != 20 )
-      panic( "in4_cksum: sizeof(ipov) != 20" );
-    sum = _NIOS2_Add_ones_complement_16 ( sum, (uint32_t *) w );
-    w += 16;
-    sum = _NIOS2_Add_ones_complement_4 ( sum, (uint32_t *) w );
-  }
-  /* skip unnecessary part */
-  while (m && off > 0)
-  {
-    if (m->m_len > off)
-      break;
-    off -= m->m_len;
-    m = m->m_next;
-  }
-  return (in_cksum_internal(m, off, len, sum));
-}
-
-
diff --git a/cpukit/libnetworking/netinet/in_cksum_sparc.h b/cpukit/libnetworking/netinet/in_cksum_sparc.h
index 7bd7bc6..5864b6a 100644
--- a/cpukit/libnetworking/netinet/in_cksum_sparc.h
+++ b/cpukit/libnetworking/netinet/in_cksum_sparc.h
@@ -266,43 +266,3 @@ in_cksum(struct mbuf *m, int len)
 
 	return (in_cksum_internal(m, 0, len, 0));
 }
-
-int
-in4_cksum(struct mbuf *m, uint8_t nxt, int off, int len)
-{
-	u_char *w;
-	u_int sum = 0;
-	struct ipovly ipov;
-
-	/*
-	 * Declare two temporary registers for use by the asm code.  We
-	 * allow the compiler to pick which specific machine registers to
-	 * use, instead of hard-coding this in the asm code above.
-	 */
-	u_int tmp1, tmp2;
-
-	if (nxt != 0) {
-		/* pseudo header */
-		memset(&ipov, 0, sizeof(ipov));
-		ipov.ih_len = htons(len);
-		ipov.ih_pr = nxt;
-		ipov.ih_src = mtod(m, struct ip *)->ip_src;
-		ipov.ih_dst = mtod(m, struct ip *)->ip_dst;
-		w = (u_char *)&ipov;
-		/* assumes sizeof(ipov) == 20 */
-		ADD16;
-		w += 16;
-		ADD4;
-	}
-
-	/* skip unnecessary part */
-	while (m && off > 0) {
-		if (m->m_len > off)
-			break;
-		off -= m->m_len;
-		m = m->m_next;
-	}
-
-	return (in_cksum_internal(m, off, len, sum));
-}
-