[PATCH 01/14] gro: use rte_pktmbuf_mtod_offset

[Stephen Hemminger]

Use rte_pktmbuf_mtod_offset. Change was automatically generated
by cocci/mtod-offset.cocci.

Signed-off-by: Stephen Hemminger <step...@networkplumber.org>
---
 lib/gro/gro_tcp4.c       | 4 ++--
 lib/gro/gro_tcp4.h       | 4 ++--
 lib/gro/gro_udp4.c       | 4 ++--
 lib/gro/gro_vxlan_tcp4.c | 4 ++--
 lib/gro/gro_vxlan_udp4.c | 4 ++--
 5 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/lib/gro/gro_tcp4.c b/lib/gro/gro_tcp4.c
index 0014096e6332..6f8466e70211 100644
--- a/lib/gro/gro_tcp4.c
+++ b/lib/gro/gro_tcp4.c
@@ -182,8 +182,8 @@ update_header(struct gro_tcp4_item *item)
        struct rte_ipv4_hdr *ipv4_hdr;
        struct rte_mbuf *pkt = item->firstseg;
 
-       ipv4_hdr = (struct rte_ipv4_hdr *)(rte_pktmbuf_mtod(pkt, char *) +
-                       pkt->l2_len);
+       ipv4_hdr = rte_pktmbuf_mtod_offset(pkt, struct rte_ipv4_hdr *,
+                                          pkt->l2_len);
        ipv4_hdr->total_length = rte_cpu_to_be_16(pkt->pkt_len -
                        pkt->l2_len);
 }
diff --git a/lib/gro/gro_tcp4.h b/lib/gro/gro_tcp4.h
index 212f97a0427c..c76f1f5686d1 100644
--- a/lib/gro/gro_tcp4.h
+++ b/lib/gro/gro_tcp4.h
@@ -272,8 +272,8 @@ check_seq_option(struct gro_tcp4_item *item,
        struct rte_tcp_hdr *tcph_orig;
        uint16_t len, tcp_hl_orig;
 
-       iph_orig = (struct rte_ipv4_hdr *)(rte_pktmbuf_mtod(pkt_orig, char *) +
-                       l2_offset + pkt_orig->l2_len);
+       iph_orig = rte_pktmbuf_mtod_offset(pkt_orig, struct rte_ipv4_hdr *,
+                                          l2_offset + pkt_orig->l2_len);
        tcph_orig = (struct rte_tcp_hdr *)((char *)iph_orig + pkt_orig->l3_len);
        tcp_hl_orig = pkt_orig->l4_len;
 
diff --git a/lib/gro/gro_udp4.c b/lib/gro/gro_udp4.c
index 42596d33b6dc..019e05bcdea5 100644
--- a/lib/gro/gro_udp4.c
+++ b/lib/gro/gro_udp4.c
@@ -179,8 +179,8 @@ update_header(struct gro_udp4_item *item)
        struct rte_mbuf *pkt = item->firstseg;
        uint16_t frag_offset;
 
-       ipv4_hdr = (struct rte_ipv4_hdr *)(rte_pktmbuf_mtod(pkt, char *) +
-                       pkt->l2_len);
+       ipv4_hdr = rte_pktmbuf_mtod_offset(pkt, struct rte_ipv4_hdr *,
+                                          pkt->l2_len);
        ipv4_hdr->total_length = rte_cpu_to_be_16(pkt->pkt_len -
                        pkt->l2_len);
 
diff --git a/lib/gro/gro_vxlan_tcp4.c b/lib/gro/gro_vxlan_tcp4.c
index 3be4deb7c76f..b93a02c149cc 100644
--- a/lib/gro/gro_vxlan_tcp4.c
+++ b/lib/gro/gro_vxlan_tcp4.c
@@ -269,8 +269,8 @@ update_vxlan_header(struct gro_vxlan_tcp4_item *item)
 
        /* Update the outer IPv4 header. */
        len = pkt->pkt_len - pkt->outer_l2_len;
-       ipv4_hdr = (struct rte_ipv4_hdr *)(rte_pktmbuf_mtod(pkt, char *) +
-                       pkt->outer_l2_len);
+       ipv4_hdr = rte_pktmbuf_mtod_offset(pkt, struct rte_ipv4_hdr *,
+                                          pkt->outer_l2_len);
        ipv4_hdr->total_length = rte_cpu_to_be_16(len);
 
        /* Update the outer UDP header. */
diff --git a/lib/gro/gro_vxlan_udp4.c b/lib/gro/gro_vxlan_udp4.c
index b78a7ae89eef..ca8cee270d3d 100644
--- a/lib/gro/gro_vxlan_udp4.c
+++ b/lib/gro/gro_vxlan_udp4.c
@@ -259,8 +259,8 @@ update_vxlan_header(struct gro_vxlan_udp4_item *item)
 
        /* Update the outer IPv4 header. */
        len = pkt->pkt_len - pkt->outer_l2_len;
-       ipv4_hdr = (struct rte_ipv4_hdr *)(rte_pktmbuf_mtod(pkt, char *) +
-                       pkt->outer_l2_len);
+       ipv4_hdr = rte_pktmbuf_mtod_offset(pkt, struct rte_ipv4_hdr *,
+                                          pkt->outer_l2_len);
        ipv4_hdr->total_length = rte_cpu_to_be_16(len);
 
        /* Update the outer UDP header. */
-- 
2.39.2