net/net_rx_pkt: Use iovec for net_rx_pkt_set_protocols()

igb does not properly ensure the buffer passed to
net_rx_pkt_set_protocols() is contiguous for the entire L2/L3/L4 header.
Allow it to pass scattered data to net_rx_pkt_set_protocols().

Fixes: 3a977deebe ("Intrdocue igb device emulation")
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
Signed-off-by: Jason Wang <jasowang@redhat.com>

1 files changed, 5 insertions, 9 deletions

diff --git a/hw/net/net_rx_pkt.c b/hw/net/net_rx_pkt.c
index 39cdea06de..63be6e05ad 100644
--- a/hw/net/net_rx_pkt.c
+++ b/hw/net/net_rx_pkt.c
@@ -103,7 +103,7 @@ net_rx_pkt_pull_data(struct NetRxPkt *pkt,
                                 iov, iovcnt, ploff, pkt->tot_len);
     }
 
-    eth_get_protocols(pkt->vec, pkt->vec_len, &pkt->hasip4, &pkt->hasip6,
+    eth_get_protocols(pkt->vec, pkt->vec_len, 0, &pkt->hasip4, &pkt->hasip6,
                       &pkt->l3hdr_off, &pkt->l4hdr_off, &pkt->l5hdr_off,
                       &pkt->ip6hdr_info, &pkt->ip4hdr_info, &pkt->l4hdr_info);
 
@@ -186,17 +186,13 @@ size_t net_rx_pkt_get_total_len(struct NetRxPkt *pkt)
     return pkt->tot_len;
 }
 
-void net_rx_pkt_set_protocols(struct NetRxPkt *pkt, const void *data,
-                              size_t len)
+void net_rx_pkt_set_protocols(struct NetRxPkt *pkt,
+                              const struct iovec *iov, size_t iovcnt,
+                              size_t iovoff)
 {
-    const struct iovec iov = {
-        .iov_base = (void *)data,
-        .iov_len = len
-    };
-
     assert(pkt);
 
-    eth_get_protocols(&iov, 1, &pkt->hasip4, &pkt->hasip6,
+    eth_get_protocols(iov, iovcnt, iovoff, &pkt->hasip4, &pkt->hasip6,
                       &pkt->l3hdr_off, &pkt->l4hdr_off, &pkt->l5hdr_off,
                       &pkt->ip6hdr_info, &pkt->ip4hdr_info, &pkt->l4hdr_info);
 }