From 03966da2ca04ca96dd0a1852d7fa423aaf18eba6 Mon Sep 17 00:00:00 2001 From: Michal Sekletar Date: Wed, 18 Jun 2014 18:14:51 +0200 Subject: [PATCH 1/1] dhcp-network: remove TODO There is no need to explicitly check version of L3 protocol in the ethernet header because we bind socket with .sll_protocol set to ETH_P_IP, thus we only receive IPv4 packets on the socket. --- src/libsystemd-network/dhcp-network.c | 1 - 1 file changed, 1 deletion(-) diff --git a/src/libsystemd-network/dhcp-network.c b/src/libsystemd-network/dhcp-network.c index 266bf1317..d7ba0efa1 100644 --- a/src/libsystemd-network/dhcp-network.c +++ b/src/libsystemd-network/dhcp-network.c @@ -38,7 +38,6 @@ int dhcp_network_bind_raw_socket(int index, union sockaddr_union *link, BPF_STMT(BPF_LD + BPF_W + BPF_LEN, 0), /* A <- packet length */ BPF_JUMP(BPF_JMP + BPF_JGE + BPF_K, sizeof(DHCPPacket), 1, 0), /* packet >= DHCPPacket ? */ BPF_STMT(BPF_RET + BPF_K, 0), /* ignore */ - /* TODO: match ip.version */ BPF_STMT(BPF_LD + BPF_B + BPF_ABS, offsetof(DHCPPacket, ip.protocol)), /* A <- IP protocol */ BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, IPPROTO_UDP, 1, 0), /* IP protocol == UDP ? */ BPF_STMT(BPF_RET + BPF_K, 0), /* ignore */ -- 2.30.2