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Diffstat (limited to 'net')
-rw-r--r--net/eth.c27
1 files changed, 0 insertions, 27 deletions
diff --git a/net/eth.c b/net/eth.c
index f074b2f9f3..36d39b4357 100644
--- a/net/eth.c
+++ b/net/eth.c
@@ -315,33 +315,6 @@ eth_strip_vlan_ex(const struct iovec *iov, int iovcnt, size_t iovoff,
}
void
-eth_setup_ip4_fragmentation(const void *l2hdr, size_t l2hdr_len,
- void *l3hdr, size_t l3hdr_len,
- size_t l3payload_len,
- size_t frag_offset, bool more_frags)
-{
- const struct iovec l2vec = {
- .iov_base = (void *) l2hdr,
- .iov_len = l2hdr_len
- };
-
- if (eth_get_l3_proto(&l2vec, 1, l2hdr_len) == ETH_P_IP) {
- uint16_t orig_flags;
- struct ip_header *iphdr = (struct ip_header *) l3hdr;
- uint16_t frag_off_units = frag_offset / IP_FRAG_UNIT_SIZE;
- uint16_t new_ip_off;
-
- assert(frag_offset % IP_FRAG_UNIT_SIZE == 0);
- assert((frag_off_units & ~IP_OFFMASK) == 0);
-
- orig_flags = be16_to_cpu(iphdr->ip_off) & ~(IP_OFFMASK|IP_MF);
- new_ip_off = frag_off_units | orig_flags | (more_frags ? IP_MF : 0);
- iphdr->ip_off = cpu_to_be16(new_ip_off);
- iphdr->ip_len = cpu_to_be16(l3payload_len + l3hdr_len);
- }
-}
-
-void
eth_fix_ip4_checksum(void *l3hdr, size_t l3hdr_len)
{
struct ip_header *iphdr = (struct ip_header *) l3hdr;