net/pkt: Rename net_pkt_pull_new to net_pkt_pull

Now that legacy net_pkt_pull function has been removed, the new
function can be renamed accordingly.

Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>

Author: Tomasz Bursztyka

include/net/net_pkt.h

@@ -2370,7 +2370,7 @@ size_t net_pkt_remaining_data(struct net_pkt *pkt);
 /**
  * @brief Update the overall length of a packet
  *
- * Note: Unlike net_pkt_pull_new() below, this does not take packet cursor
+ * Note: Unlike net_pkt_pull() below, this does not take packet cursor
  *       into account. It's mainly a helper dedicated for ipv4 and ipv6
  *       input functions. It shrinks the overall length by given parameter.
  *
@@ -2392,7 +2392,7 @@ int net_pkt_update_length(struct net_pkt *pkt, size_t length);
  *
  * @return 0 on success, negative errno code otherwise.
  */
-int net_pkt_pull_new(struct net_pkt *pkt, size_t length);
+int net_pkt_pull(struct net_pkt *pkt, size_t length);
 
 /**
  * @brief Get the actual offset in the packet from its cursor

subsys/net/ip/ipv6_fragment.c

@@ -267,7 +267,7 @@ static void reassemble_packet(struct net_ipv6_reassembly *reass)
 		NET_DBG("Removing %d bytes from start of pkt %p",
 			removed_len, pkt->buffer);
 
-		if (net_pkt_pull_new(pkt, removed_len)) {
+		if (net_pkt_pull(pkt, removed_len)) {
 			NET_ERR("Failed to pull headers");
 			reassembly_cancel(reass->id, &reass->src, &reass->dst);
 			return;
@@ -305,7 +305,7 @@ static void reassemble_packet(struct net_ipv6_reassembly *reass)
 
 	next_hdr = ipv6.frag_hdr->nexthdr;
 
-	if (net_pkt_pull_new(pkt, sizeof(struct net_ipv6_frag_hdr))) {
+	if (net_pkt_pull(pkt, sizeof(struct net_ipv6_frag_hdr))) {
 		NET_ERR("Failed to remove fragment header");
 		goto error;
 	}

subsys/net/ip/net_pkt.c

@@ -2621,7 +2621,7 @@ int net_pkt_update_length(struct net_pkt *pkt, size_t length)
 	return !length ? 0 : -EINVAL;
 }
 
-int net_pkt_pull_new(struct net_pkt *pkt, size_t length)
+int net_pkt_pull(struct net_pkt *pkt, size_t length)
 {
 	struct net_pkt_cursor *c_op = &pkt->cursor;
 	struct net_pkt_cursor backup;
@@ -2651,7 +2651,7 @@ int net_pkt_pull_new(struct net_pkt *pkt, size_t length)
 
 		/* For now, empty buffer are not freed, and there is no
 		 * compaction done either.
-		 * net_pkt_pull_new() is currently used only in very specific
+		 * net_pkt_pull() is currently used only in very specific
 		 * places where such memory optimization would not make
 		 * that much sense. Let's see in future if it's worth do to it.
 		 */