diff options
| -rw-r--r-- | slirp/if.c | 4 | ||||
| -rw-r--r-- | slirp/slirp.c | 9 |
2 files changed, 7 insertions, 6 deletions
diff --git a/slirp/if.c b/slirp/if.c index 2ce9a6424f..94132ca888 100644 --- a/slirp/if.c +++ b/slirp/if.c @@ -52,8 +52,8 @@ if_init() if_maxlinkhdr = 40; #endif #else - /* 14 for ethernet + 40 */ - if_maxlinkhdr = 14 + 40; + /* 2 for alignment, 14 for ethernet, 40 for TCP/IP */ + if_maxlinkhdr = 2 + 14 + 40; #endif if_mtu = 1500; if_mru = 1500; diff --git a/slirp/slirp.c b/slirp/slirp.c index e88745e8aa..6ba753e735 100644 --- a/slirp/slirp.c +++ b/slirp/slirp.c @@ -610,11 +610,12 @@ void slirp_input(const uint8_t *pkt, int pkt_len) m = m_get(); if (!m) return; - m->m_len = pkt_len; - memcpy(m->m_data, pkt, pkt_len); + /* Note: we add to align the IP header */ + m->m_len = pkt_len + 2; + memcpy(m->m_data + 2, pkt, pkt_len); - m->m_data += ETH_HLEN; - m->m_len -= ETH_HLEN; + m->m_data += 2 + ETH_HLEN; + m->m_len -= 2 + ETH_HLEN; ip_input(m); break; |