diff options
Diffstat (limited to 'common/VIL/l2l3_stack/lib_arp.c')
| -rw-r--r-- | common/VIL/l2l3_stack/lib_arp.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/common/VIL/l2l3_stack/lib_arp.c b/common/VIL/l2l3_stack/lib_arp.c index 9ea57d77..90bcc064 100644 --- a/common/VIL/l2l3_stack/lib_arp.c +++ b/common/VIL/l2l3_stack/lib_arp.c @@ -294,12 +294,20 @@ struct arp_entry_data *get_dest_mac_addr_ipv4(const uint32_t nhip, uint32_t phy_port, struct ether_addr *hw_addr) { struct arp_entry_data *ret_arp_data = NULL; + struct ether_addr *x; uint8_t index; /* as part of optimization we store mac address in cache * & thus can be sent without having to retrieve */ if (likely(arp_cache_dest_mac_present(phy_port))) { + x = get_local_cache_hw_addr(phy_port, nhip); + if (unlikely(!x)) { + printf("local copy of address not stored\n"); + return NULL; + } + + ether_addr_copy(x, hw_addr); return &arp_entry_data_default; } @@ -2488,7 +2496,7 @@ struct ether_addr *get_local_cache_hw_addr(uint8_t out_port, uint32_t nhip) limit = p_arp_data->arp_local_cache[out_port].num_nhip; for (i=0; i < limit; i++) { tmp = p_arp_data->arp_local_cache[out_port].nhip[i]; - if (tmp == nhip) { + if (likely(tmp == nhip)) { x = &p_arp_data->arp_local_cache[out_port].link_hw_laddr[i]; return x; } |