Commit 38f3e7c2f526fb70d7bc52ed62910fea506dc84f
1 parent
73540ca9
suppressed unaligned accesses
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1911 c046a42c-6fe2-441c-8c8c-71466251a162
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2 changed files
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7 additions
and
6 deletions
slirp/if.c
... | ... | @@ -52,8 +52,8 @@ if_init() |
52 | 52 | if_maxlinkhdr = 40; |
53 | 53 | #endif |
54 | 54 | #else |
55 | - /* 14 for ethernet + 40 */ | |
56 | - if_maxlinkhdr = 14 + 40; | |
55 | + /* 2 for alignment, 14 for ethernet, 40 for TCP/IP */ | |
56 | + if_maxlinkhdr = 2 + 14 + 40; | |
57 | 57 | #endif |
58 | 58 | if_mtu = 1500; |
59 | 59 | if_mru = 1500; | ... | ... |
slirp/slirp.c
... | ... | @@ -610,11 +610,12 @@ void slirp_input(const uint8_t *pkt, int pkt_len) |
610 | 610 | m = m_get(); |
611 | 611 | if (!m) |
612 | 612 | return; |
613 | - m->m_len = pkt_len; | |
614 | - memcpy(m->m_data, pkt, pkt_len); | |
613 | + /* Note: we add to align the IP header */ | |
614 | + m->m_len = pkt_len + 2; | |
615 | + memcpy(m->m_data + 2, pkt, pkt_len); | |
615 | 616 | |
616 | - m->m_data += ETH_HLEN; | |
617 | - m->m_len -= ETH_HLEN; | |
617 | + m->m_data += 2 + ETH_HLEN; | |
618 | + m->m_len -= 2 + ETH_HLEN; | |
618 | 619 | |
619 | 620 | ip_input(m); |
620 | 621 | break; | ... | ... |