ofpbuf: Rename trivial _get_ functions without the "get".

Code reads better without the "get", for example "ofpbuf_l3()"
v.s. "ofpbuf_get_l3()".  L4 payoad access functions still use the
"get" (e.g., "ofpbuf_get_tcp_payload()").

Signed-off-by: Jarno Rajahalme <jrajahalme@nicira.com>

8 files changed, 55 insertions, 55 deletions

diff --git a/lib/cfm.c b/lib/cfm.c
index 420a57f10..bdc79bd6c 100644
--- a/lib/cfm.c
+++ b/lib/cfm.c
@@ -557,7 +557,7 @@ cfm_compose_ccm(struct cfm *cfm, struct ofpbuf *packet,
         eth_push_vlan(packet, htons(ETH_TYPE_VLAN), htons(tci));
     }
 
-    ccm = ofpbuf_get_l3(packet);
+    ccm = ofpbuf_l3(packet);
     ccm->mdlevel_version = 0;
     ccm->opcode = CCM_OPCODE;
     ccm->tlv_offset = 70;
@@ -719,7 +719,7 @@ cfm_process_heartbeat(struct cfm *cfm, const struct ofpbuf *p)
     ovs_mutex_lock(&mutex);
 
     eth = p->l2;
-    ccm = ofpbuf_at(p, (uint8_t *)ofpbuf_get_l3(p) - (uint8_t *)ofpbuf_data(p),
+    ccm = ofpbuf_at(p, (uint8_t *)ofpbuf_l3(p) - (uint8_t *)ofpbuf_data(p),
                     CCM_ACCEPT_LEN);
 
     if (!ccm) {
diff --git a/lib/lacp.c b/lib/lacp.c
index 923c10fe3..4aee64f48 100644
--- a/lib/lacp.c
+++ b/lib/lacp.c
@@ -181,7 +181,7 @@ parse_lacp_packet(const struct ofpbuf *b)
 {
     const struct lacp_pdu *pdu;
 
-    pdu = ofpbuf_at(b, (uint8_t *)ofpbuf_get_l3(b) - (uint8_t *)ofpbuf_data(b),
+    pdu = ofpbuf_at(b, (uint8_t *)ofpbuf_l3(b) - (uint8_t *)ofpbuf_data(b),
                     LACP_PDU_LEN);
 
     if (pdu && pdu->subtype == 1
diff --git a/lib/odp-execute.c b/lib/odp-execute.c
index e5aa0ce50..cf6743513 100644
--- a/lib/odp-execute.c
+++ b/lib/odp-execute.c
@@ -51,7 +51,7 @@ odp_set_tunnel_action(const struct nlattr *a, struct flow_tnl *tun_key)
 static void
 set_arp(struct ofpbuf *packet, const struct ovs_key_arp *arp_key)
 {
-    struct arp_eth_header *arp = ofpbuf_get_l3(packet);
+    struct arp_eth_header *arp = ofpbuf_l3(packet);
 
     arp->ar_op = arp_key->arp_op;
     memcpy(arp->ar_sha, arp_key->arp_sha, ETH_ADDR_LEN);
diff --git a/lib/ofp-print.c b/lib/ofp-print.c
index 7e0963c08..c8c331ec0 100644
--- a/lib/ofp-print.c
+++ b/lib/ofp-print.c
@@ -68,16 +68,16 @@ ofp_packet_to_string(const void *data, size_t len)
     flow_extract(&buf, &md, &flow);
     flow_format(&ds, &flow);
 
-    l4_size = ofpbuf_get_l4_size(&buf);
+    l4_size = ofpbuf_l4_size(&buf);
 
     if (flow.nw_proto == IPPROTO_TCP && l4_size >= TCP_HEADER_LEN) {
-        struct tcp_header *th = ofpbuf_get_l4(&buf);
+        struct tcp_header *th = ofpbuf_l4(&buf);
         ds_put_format(&ds, " tcp_csum:%"PRIx16, ntohs(th->tcp_csum));
     } else if (flow.nw_proto == IPPROTO_UDP && l4_size >= UDP_HEADER_LEN) {
-        struct udp_header *uh = ofpbuf_get_l4(&buf);
+        struct udp_header *uh = ofpbuf_l4(&buf);
         ds_put_format(&ds, " udp_csum:%"PRIx16, ntohs(uh->udp_csum));
     } else if (flow.nw_proto == IPPROTO_SCTP && l4_size >= SCTP_HEADER_LEN) {
-        struct sctp_header *sh = ofpbuf_get_l4(&buf);
+        struct sctp_header *sh = ofpbuf_l4(&buf);
         ds_put_format(&ds, " sctp_csum:%"PRIx32, ntohl(sh->sctp_csum));
     }
 
diff --git a/lib/ofp-util.c b/lib/ofp-util.c
index 2b9b5c023..9639ea490 100644
--- a/lib/ofp-util.c
+++ b/lib/ofp-util.c
@@ -2176,7 +2176,7 @@ ofputil_encode_flow_mod(const struct ofputil_flow_mod *fm,
         nfm->command = ofputil_tid_command(fm, protocol);
         nfm->cookie = fm->new_cookie;
         match_len = nx_put_match(msg, &fm->match, fm->cookie, fm->cookie_mask);
-        nfm = ofpbuf_get_l3(msg);
+        nfm = ofpbuf_l3(msg);
         nfm->idle_timeout = htons(fm->idle_timeout);
         nfm->hard_timeout = htons(fm->hard_timeout);
         nfm->priority = htons(fm->priority);
@@ -2396,7 +2396,7 @@ ofputil_append_queue_get_config_reply(struct ofpbuf *reply,
         struct ofp12_packet_queue *opq12;
         ovs_be32 port;
 
-        qgcr11 = ofpbuf_get_l3(reply);
+        qgcr11 = ofpbuf_l3(reply);
         port = qgcr11->port;
 
         opq12 = ofpbuf_put_zeros(reply, sizeof *opq12);
@@ -2636,7 +2636,7 @@ ofputil_encode_flow_stats_request(const struct ofputil_flow_stats_request *fsr,
         match_len = nx_put_match(msg, &fsr->match,
                                  fsr->cookie, fsr->cookie_mask);
 
-        nfsr = ofpbuf_get_l3(msg);
+        nfsr = ofpbuf_l3(msg);
         nfsr->out_port = htons(ofp_to_u16(fsr->out_port));
         nfsr->match_len = htons(match_len);
         nfsr->table_id = fsr->table_id;
@@ -2982,7 +2982,7 @@ ofputil_decode_aggregate_stats_reply(struct ofputil_aggregate_stats *stats,
     ofpbuf_use_const(&msg, reply, ntohs(reply->length));
     ofpraw_pull_assert(&msg);
 
-    asr = ofpbuf_get_l3(&msg);
+    asr = ofpbuf_l3(&msg);
     stats->packet_count = ntohll(get_32aligned_be64(&asr->packet_count));
     stats->byte_count = ntohll(get_32aligned_be64(&asr->byte_count));
     stats->flow_count = ntohl(asr->flow_count);
@@ -3134,7 +3134,7 @@ ofputil_encode_flow_removed(const struct ofputil_flow_removed *fr,
         nfr = ofpbuf_put_zeros(msg, sizeof *nfr);
         match_len = nx_put_match(msg, &fr->match, 0, 0);
 
-        nfr = ofpbuf_get_l3(msg);
+        nfr = ofpbuf_l3(msg);
         nfr->cookie = fr->cookie;
         nfr->priority = htons(fr->priority);
         nfr->reason = fr->reason;
@@ -3346,7 +3346,7 @@ ofputil_encode_nx_packet_in(const struct ofputil_packet_in *pin)
     ofpbuf_put_zeros(packet, 2);
     ofpbuf_put(packet, pin->packet, pin->packet_len);
 
-    npi = ofpbuf_get_l3(packet);
+    npi = ofpbuf_l3(packet);
     npi->buffer_id = htonl(pin->buffer_id);
     npi->total_len = htons(pin->total_len);
     npi->reason = pin->reason;
@@ -3410,7 +3410,7 @@ ofputil_encode_ofp12_packet_in(const struct ofputil_packet_in *pin,
     ofpbuf_put_zeros(packet, 2);
     ofpbuf_put(packet, pin->packet, pin->packet_len);
 
-    opi = ofpbuf_get_l3(packet);
+    opi = ofpbuf_l3(packet);
     opi->pi.buffer_id = htonl(pin->buffer_id);
     opi->pi.total_len = htons(pin->total_len);
     opi->pi.reason = pin->reason;
@@ -4629,7 +4629,7 @@ ofputil_decode_role_message(const struct ofp_header *oh,
 
     if (raw == OFPRAW_OFPT12_ROLE_REQUEST ||
         raw == OFPRAW_OFPT12_ROLE_REPLY) {
-        const struct ofp12_role_request *orr = ofpbuf_get_l3(&b);
+        const struct ofp12_role_request *orr = ofpbuf_l3(&b);
 
         if (orr->role != htonl(OFPCR12_ROLE_NOCHANGE) &&
             orr->role != htonl(OFPCR12_ROLE_EQUAL) &&
@@ -4650,7 +4650,7 @@ ofputil_decode_role_message(const struct ofp_header *oh,
         }
     } else if (raw == OFPRAW_NXT_ROLE_REQUEST ||
                raw == OFPRAW_NXT_ROLE_REPLY) {
-        const struct nx_role_request *nrr = ofpbuf_get_l3(&b);
+        const struct nx_role_request *nrr = ofpbuf_l3(&b);
 
         BUILD_ASSERT(NX_ROLE_OTHER + 1 == OFPCR12_ROLE_EQUAL);
         BUILD_ASSERT(NX_ROLE_MASTER + 1 == OFPCR12_ROLE_MASTER);
@@ -4739,7 +4739,7 @@ ofputil_decode_role_status(const struct ofp_header *oh,
     raw = ofpraw_pull_assert(&b);
     ovs_assert(raw == OFPRAW_OFPT14_ROLE_STATUS);
 
-    r = ofpbuf_get_l3(&b);
+    r = ofpbuf_l3(&b);
     if (r->role != htonl(OFPCR12_ROLE_NOCHANGE) &&
         r->role != htonl(OFPCR12_ROLE_EQUAL) &&
         r->role != htonl(OFPCR12_ROLE_MASTER) &&
@@ -5211,7 +5211,7 @@ ofputil_encode_packet_out(const struct ofputil_packet_out *po,
         ofpacts_put_openflow_actions(po->ofpacts, po->ofpacts_len, msg,
                                      ofp_version);
 
-        opo = ofpbuf_get_l3(msg);
+        opo = ofpbuf_l3(msg);
         opo->buffer_id = htonl(po->buffer_id);
         opo->in_port = htons(ofp_to_u16(po->in_port));
         opo->actions_len = htons(ofpbuf_size(msg) - actions_ofs);
@@ -5229,7 +5229,7 @@ ofputil_encode_packet_out(const struct ofputil_packet_out *po,
         ofpbuf_put_zeros(msg, sizeof *opo);
         len = ofpacts_put_openflow_actions(po->ofpacts, po->ofpacts_len, msg,
                                            ofp_version);
-        opo = ofpbuf_get_l3(msg);
+        opo = ofpbuf_l3(msg);
         opo->buffer_id = htonl(po->buffer_id);
         opo->in_port = ofputil_port_to_ofp11(po->in_port);
         opo->actions_len = htons(len);
diff --git a/lib/ofpbuf.h b/lib/ofpbuf.h
index dad7f6496..80c65475f 100644
--- a/lib/ofpbuf.h
+++ b/lib/ofpbuf.h
@@ -69,13 +69,13 @@ static inline void ofpbuf_set_size(struct ofpbuf *, uint32_t);
 
 void * ofpbuf_resize_l2(struct ofpbuf *, int increment);
 void * ofpbuf_resize_l2_5(struct ofpbuf *, int increment);
-static inline void * ofpbuf_get_l2_5(const struct ofpbuf *);
+static inline void * ofpbuf_l2_5(const struct ofpbuf *);
 static inline void ofpbuf_set_l2_5(struct ofpbuf *, void *);
-static inline void * ofpbuf_get_l3(const struct ofpbuf *);
+static inline void * ofpbuf_l3(const struct ofpbuf *);
 static inline void ofpbuf_set_l3(struct ofpbuf *, void *);
-static inline void * ofpbuf_get_l4(const struct ofpbuf *);
+static inline void * ofpbuf_l4(const struct ofpbuf *);
 static inline void ofpbuf_set_l4(struct ofpbuf *, void *);
-static inline size_t ofpbuf_get_l4_size(const struct ofpbuf *);
+static inline size_t ofpbuf_l4_size(const struct ofpbuf *);
 static inline const void *ofpbuf_get_tcp_payload(const struct ofpbuf *);
 static inline const void *ofpbuf_get_udp_payload(const struct ofpbuf *);
 static inline const void *ofpbuf_get_sctp_payload(const struct ofpbuf *);
@@ -247,7 +247,7 @@ static inline bool ofpbuf_equal(const struct ofpbuf *a, const struct ofpbuf *b)
            memcmp(ofpbuf_data(a), ofpbuf_data(b), ofpbuf_size(a)) == 0;
 }
 
-static inline void * ofpbuf_get_l2_5(const struct ofpbuf *b)
+static inline void * ofpbuf_l2_5(const struct ofpbuf *b)
 {
     return b->l2_5_ofs != UINT16_MAX ? (char *)b->l2 + b->l2_5_ofs : NULL;
 }
@@ -257,7 +257,7 @@ static inline void ofpbuf_set_l2_5(struct ofpbuf *b, void *l2_5)
     b->l2_5_ofs = l2_5 ? (char *)l2_5 - (char *)b->l2 : UINT16_MAX;
 }
 
-static inline void * ofpbuf_get_l3(const struct ofpbuf *b)
+static inline void * ofpbuf_l3(const struct ofpbuf *b)
 {
     return b->l3_ofs != UINT16_MAX ? (char *)b->l2 + b->l3_ofs : NULL;
 }
@@ -267,7 +267,7 @@ static inline void ofpbuf_set_l3(struct ofpbuf *b, void *l3)
     b->l3_ofs = l3 ? (char *)l3 - (char *)b->l2 : UINT16_MAX;
 }
 
-static inline void * ofpbuf_get_l4(const struct ofpbuf *b)
+static inline void * ofpbuf_l4(const struct ofpbuf *b)
 {
     return b->l4_ofs != UINT16_MAX ? (char *)b->l2 + b->l4_ofs : NULL;
 }
@@ -277,18 +277,18 @@ static inline void ofpbuf_set_l4(struct ofpbuf *b, void *l4)
     b->l4_ofs = l4 ? (char *)l4 - (char *)b->l2 : UINT16_MAX;
 }
 
-static inline size_t ofpbuf_get_l4_size(const struct ofpbuf *b)
+static inline size_t ofpbuf_l4_size(const struct ofpbuf *b)
 {
     return b->l4_ofs != UINT16_MAX
-        ? (const char *)ofpbuf_tail(b) - (const char *)ofpbuf_get_l4(b) : 0;
+        ? (const char *)ofpbuf_tail(b) - (const char *)ofpbuf_l4(b) : 0;
 }
 
 static inline const void *ofpbuf_get_tcp_payload(const struct ofpbuf *b)
 {
-    size_t l4_size = ofpbuf_get_l4_size(b);
+    size_t l4_size = ofpbuf_l4_size(b);
 
     if (OVS_LIKELY(l4_size >= TCP_HEADER_LEN)) {
-        struct tcp_header *tcp = ofpbuf_get_l4(b);
+        struct tcp_header *tcp = ofpbuf_l4(b);
         int tcp_len = TCP_OFFSET(tcp->tcp_ctl) * 4;
 
         if (OVS_LIKELY(tcp_len >= TCP_HEADER_LEN && tcp_len <= l4_size)) {
@@ -300,20 +300,20 @@ static inline const void *ofpbuf_get_tcp_payload(const struct ofpbuf *b)
 
 static inline const void *ofpbuf_get_udp_payload(const struct ofpbuf *b)
 {
-    return OVS_LIKELY(ofpbuf_get_l4_size(b) >= UDP_HEADER_LEN)
-        ? (const char *)ofpbuf_get_l4(b) + UDP_HEADER_LEN : NULL;
+    return OVS_LIKELY(ofpbuf_l4_size(b) >= UDP_HEADER_LEN)
+        ? (const char *)ofpbuf_l4(b) + UDP_HEADER_LEN : NULL;
 }
 
 static inline const void *ofpbuf_get_sctp_payload(const struct ofpbuf *b)
 {
-    return OVS_LIKELY(ofpbuf_get_l4_size(b) >= SCTP_HEADER_LEN)
-        ? (const char *)ofpbuf_get_l4(b) + SCTP_HEADER_LEN : NULL;
+    return OVS_LIKELY(ofpbuf_l4_size(b) >= SCTP_HEADER_LEN)
+        ? (const char *)ofpbuf_l4(b) + SCTP_HEADER_LEN : NULL;
 }
 
 static inline const void *ofpbuf_get_icmp_payload(const struct ofpbuf *b)
 {
-    return OVS_LIKELY(ofpbuf_get_l4_size(b) >= ICMP_HEADER_LEN)
-        ? (const char *)ofpbuf_get_l4(b) + ICMP_HEADER_LEN : NULL;
+    return OVS_LIKELY(ofpbuf_l4_size(b) >= ICMP_HEADER_LEN)
+        ? (const char *)ofpbuf_l4(b) + ICMP_HEADER_LEN : NULL;
 }
 
 #ifdef DPDK_NETDEV
diff --git a/lib/packets.c b/lib/packets.c
index d1d7e6da6..2c202bbff 100644
--- a/lib/packets.c
+++ b/lib/packets.c
@@ -212,10 +212,10 @@ set_ethertype(struct ofpbuf *packet, ovs_be16 eth_type)
 
     if (eh->eth_type == htons(ETH_TYPE_VLAN)) {
         ovs_be16 *p;
-        char *l2_5 = ofpbuf_get_l2_5(packet);
+        char *l2_5 = ofpbuf_l2_5(packet);
 
         p = ALIGNED_CAST(ovs_be16 *,
-                         (l2_5 ? l2_5 : (char *)ofpbuf_get_l3(packet)) - 2);
+                         (l2_5 ? l2_5 : (char *)ofpbuf_l3(packet)) - 2);
         *p = eth_type;
     } else {
         eh->eth_type = eth_type;
@@ -279,7 +279,7 @@ set_mpls_lse(struct ofpbuf *packet, ovs_be32 mpls_lse)
 {
     /* Packet type should be MPLS to set label stack entry. */
     if (is_mpls(packet)) {
-        struct mpls_hdr *mh = ofpbuf_get_l2_5(packet);
+        struct mpls_hdr *mh = ofpbuf_l2_5(packet);
 
         /* Update mpls label stack entry. */
         mh->mpls_lse = mpls_lse;
@@ -321,7 +321,7 @@ void
 pop_mpls(struct ofpbuf *packet, ovs_be16 ethtype)
 {
     if (is_mpls(packet)) {
-        struct mpls_hdr *mh = ofpbuf_get_l2_5(packet);
+        struct mpls_hdr *mh = ofpbuf_l2_5(packet);
         size_t len = packet->l2_5_ofs;
 
         set_ethertype(packet, ethtype);
@@ -582,16 +582,16 @@ static void
 packet_set_ipv4_addr(struct ofpbuf *packet,
                      ovs_16aligned_be32 *addr, ovs_be32 new_addr)
 {
-    struct ip_header *nh = ofpbuf_get_l3(packet);
+    struct ip_header *nh = ofpbuf_l3(packet);
     ovs_be32 old_addr = get_16aligned_be32(addr);
-    size_t l4_size = ofpbuf_get_l4_size(packet);
+    size_t l4_size = ofpbuf_l4_size(packet);
 
     if (nh->ip_proto == IPPROTO_TCP && l4_size >= TCP_HEADER_LEN) {
-        struct tcp_header *th = ofpbuf_get_l4(packet);
+        struct tcp_header *th = ofpbuf_l4(packet);
 
         th->tcp_csum = recalc_csum32(th->tcp_csum, old_addr, new_addr);
     } else if (nh->ip_proto == IPPROTO_UDP && l4_size >= UDP_HEADER_LEN ) {
-        struct udp_header *uh = ofpbuf_get_l4(packet);
+        struct udp_header *uh = ofpbuf_l4(packet);
 
         if (uh->udp_csum) {
             uh->udp_csum = recalc_csum32(uh->udp_csum, old_addr, new_addr);
@@ -615,7 +615,7 @@ packet_rh_present(struct ofpbuf *packet)
     int nexthdr;
     size_t len;
     size_t remaining;
-    uint8_t *data = ofpbuf_get_l3(packet);
+    uint8_t *data = ofpbuf_l3(packet);
 
     remaining = packet->l4_ofs - packet->l3_ofs;
 
@@ -693,14 +693,14 @@ static void
 packet_update_csum128(struct ofpbuf *packet, uint8_t proto,
                      ovs_16aligned_be32 addr[4], const ovs_be32 new_addr[4])
 {
-    size_t l4_size = ofpbuf_get_l4_size(packet);
+    size_t l4_size = ofpbuf_l4_size(packet);
 
     if (proto == IPPROTO_TCP && l4_size >= TCP_HEADER_LEN) {
-        struct tcp_header *th = ofpbuf_get_l4(packet);
+        struct tcp_header *th = ofpbuf_l4(packet);
 
         th->tcp_csum = recalc_csum128(th->tcp_csum, addr, new_addr);
     } else if (proto == IPPROTO_UDP && l4_size >= UDP_HEADER_LEN) {
-        struct udp_header *uh = ofpbuf_get_l4(packet);
+        struct udp_header *uh = ofpbuf_l4(packet);
 
         if (uh->udp_csum) {
             uh->udp_csum = recalc_csum128(uh->udp_csum, addr, new_addr);
@@ -746,7 +746,7 @@ void
 packet_set_ipv4(struct ofpbuf *packet, ovs_be32 src, ovs_be32 dst,
                 uint8_t tos, uint8_t ttl)
 {
-    struct ip_header *nh = ofpbuf_get_l3(packet);
+    struct ip_header *nh = ofpbuf_l3(packet);
 
     if (get_16aligned_be32(&nh->ip_src) != src) {
         packet_set_ipv4_addr(packet, &nh->ip_src, src);
@@ -782,7 +782,7 @@ packet_set_ipv6(struct ofpbuf *packet, uint8_t proto, const ovs_be32 src[4],
                 const ovs_be32 dst[4], uint8_t key_tc, ovs_be32 key_fl,
                 uint8_t key_hl)
 {
-    struct ovs_16aligned_ip6_hdr *nh = ofpbuf_get_l3(packet);
+    struct ovs_16aligned_ip6_hdr *nh = ofpbuf_l3(packet);
 
     if (memcmp(&nh->ip6_src, src, sizeof(ovs_be32[4]))) {
         packet_set_ipv6_addr(packet, proto, nh->ip6_src.be32, src, true);
@@ -815,7 +815,7 @@ packet_set_port(ovs_be16 *port, ovs_be16 new_port, ovs_be16 *csum)
 void
 packet_set_tcp_port(struct ofpbuf *packet, ovs_be16 src, ovs_be16 dst)
 {
-    struct tcp_header *th = ofpbuf_get_l4(packet);
+    struct tcp_header *th = ofpbuf_l4(packet);
 
     packet_set_port(&th->tcp_src, src, &th->tcp_csum);
     packet_set_port(&th->tcp_dst, dst, &th->tcp_csum);
@@ -827,7 +827,7 @@ packet_set_tcp_port(struct ofpbuf *packet, ovs_be16 src, ovs_be16 dst)
 void
 packet_set_udp_port(struct ofpbuf *packet, ovs_be16 src, ovs_be16 dst)
 {
-    struct udp_header *uh = ofpbuf_get_l4(packet);
+    struct udp_header *uh = ofpbuf_l4(packet);
 
     if (uh->udp_csum) {
         packet_set_port(&uh->udp_src, src, &uh->udp_csum);
@@ -848,7 +848,7 @@ packet_set_udp_port(struct ofpbuf *packet, ovs_be16 src, ovs_be16 dst)
 void
 packet_set_sctp_port(struct ofpbuf *packet, ovs_be16 src, ovs_be16 dst)
 {
-    struct sctp_header *sh = ofpbuf_get_l4(packet);
+    struct sctp_header *sh = ofpbuf_l4(packet);
     ovs_be32 old_csum, old_correct_csum, new_csum;
     uint16_t tp_len = ofpbuf_size(packet) - ((uint8_t*)sh - (uint8_t*)ofpbuf_data(packet));
 
diff --git a/lib/pcap-file.c b/lib/pcap-file.c
index 04883572b..191e690e6 100644
--- a/lib/pcap-file.c
+++ b/lib/pcap-file.c
@@ -310,7 +310,7 @@ tcp_reader_run(struct tcp_reader *r, const struct flow *flow,
         || !l7) {
         return NULL;
     }
-    tcp = ofpbuf_get_l4(packet);
+    tcp = ofpbuf_l4(packet);
     flags = TCP_FLAGS(tcp->tcp_ctl);
     l7_length = (char *) ofpbuf_tail(packet) - l7;
     seq = ntohl(get_16aligned_be32(&tcp->tcp_seq));