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openvswitch: Use ether_addr_copy

Browse source 
It's slightly smaller/faster for some architectures.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
This commit is contained in:
Joe Perches 2014-02-18 11:15:45 -08:00 • committed by Jesse Gross
parent 2235ad1c3a
commit 8c63ff09bd
3 changed files with 16 additions and 16 deletions
Download patch file Download diff file Expand all files Collapse all files

4
net/openvswitch/actions.c
View file

@ -134,8 +134,8 @@ static int set_eth_addr(struct sk_buff *skb,
skb_postpull_rcsum(skb, eth_hdr(skb), ETH_ALEN * 2); skb_postpull_rcsum(skb, eth_hdr(skb), ETH_ALEN * 2);
memcpy(eth_hdr(skb)->h_source, eth_key->eth_src, ETH_ALEN); ether_addr_copy(eth_hdr(skb)->h_source, eth_key->eth_src);
memcpy(eth_hdr(skb)->h_dest, eth_key->eth_dst, ETH_ALEN); ether_addr_copy(eth_hdr(skb)->h_dest, eth_key->eth_dst);
ovs_skb_postpush_rcsum(skb, eth_hdr(skb), ETH_ALEN * 2); ovs_skb_postpush_rcsum(skb, eth_hdr(skb), ETH_ALEN * 2);

16
net/openvswitch/flow.c
View file

@ -372,14 +372,14 @@ static int parse_icmpv6(struct sk_buff *skb, struct sw_flow_key *key,
&& opt_len == 8) { && opt_len == 8) {
if (unlikely(!is_zero_ether_addr(key->ipv6.nd.sll))) if (unlikely(!is_zero_ether_addr(key->ipv6.nd.sll)))
goto invalid; goto invalid;
memcpy(key->ipv6.nd.sll, ether_addr_copy(key->ipv6.nd.sll,
&nd->opt[offset+sizeof(*nd_opt)], ETH_ALEN); &nd->opt[offset+sizeof(*nd_opt)]);
} else if (nd_opt->nd_opt_type == ND_OPT_TARGET_LL_ADDR } else if (nd_opt->nd_opt_type == ND_OPT_TARGET_LL_ADDR
&& opt_len == 8) { && opt_len == 8) {
if (unlikely(!is_zero_ether_addr(key->ipv6.nd.tll))) if (unlikely(!is_zero_ether_addr(key->ipv6.nd.tll)))
goto invalid; goto invalid;
memcpy(key->ipv6.nd.tll, ether_addr_copy(key->ipv6.nd.tll,
&nd->opt[offset+sizeof(*nd_opt)], ETH_ALEN); &nd->opt[offset+sizeof(*nd_opt)]);
} }
icmp_len -= opt_len; icmp_len -= opt_len;
@ -439,8 +439,8 @@ int ovs_flow_extract(struct sk_buff *skb, u16 in_port, struct sw_flow_key *key)
* header in the linear data area. * header in the linear data area.
*/ */
eth = eth_hdr(skb); eth = eth_hdr(skb);
memcpy(key->eth.src, eth->h_source, ETH_ALEN); ether_addr_copy(key->eth.src, eth->h_source);
memcpy(key->eth.dst, eth->h_dest, ETH_ALEN); ether_addr_copy(key->eth.dst, eth->h_dest);
__skb_pull(skb, 2 * ETH_ALEN); __skb_pull(skb, 2 * ETH_ALEN);
/* We are going to push all headers that we pull, so no need to /* We are going to push all headers that we pull, so no need to
@ -538,8 +538,8 @@ int ovs_flow_extract(struct sk_buff *skb, u16 in_port, struct sw_flow_key *key)
key->ip.proto = ntohs(arp->ar_op); key->ip.proto = ntohs(arp->ar_op);
memcpy(&key->ipv4.addr.src, arp->ar_sip, sizeof(key->ipv4.addr.src)); memcpy(&key->ipv4.addr.src, arp->ar_sip, sizeof(key->ipv4.addr.src));
memcpy(&key->ipv4.addr.dst, arp->ar_tip, sizeof(key->ipv4.addr.dst)); memcpy(&key->ipv4.addr.dst, arp->ar_tip, sizeof(key->ipv4.addr.dst));
memcpy(key->ipv4.arp.sha, arp->ar_sha, ETH_ALEN); ether_addr_copy(key->ipv4.arp.sha, arp->ar_sha);
memcpy(key->ipv4.arp.tha, arp->ar_tha, ETH_ALEN); ether_addr_copy(key->ipv4.arp.tha, arp->ar_tha);
} }
} else if (key->eth.type == htons(ETH_P_IPV6)) { } else if (key->eth.type == htons(ETH_P_IPV6)) {
int nh_len; /* IPv6 Header + Extensions */ int nh_len; /* IPv6 Header + Extensions */

12
net/openvswitch/flow_netlink.c
View file

@ -986,8 +986,8 @@ int ovs_nla_put_flow(const struct sw_flow_key *swkey,
goto nla_put_failure; goto nla_put_failure;
eth_key = nla_data(nla); eth_key = nla_data(nla);
memcpy(eth_key->eth_src, output->eth.src, ETH_ALEN); ether_addr_copy(eth_key->eth_src, output->eth.src);
memcpy(eth_key->eth_dst, output->eth.dst, ETH_ALEN); ether_addr_copy(eth_key->eth_dst, output->eth.dst);
if (swkey->eth.tci || swkey->eth.type == htons(ETH_P_8021Q)) { if (swkey->eth.tci || swkey->eth.type == htons(ETH_P_8021Q)) {
__be16 eth_type; __be16 eth_type;
@ -1059,8 +1059,8 @@ int ovs_nla_put_flow(const struct sw_flow_key *swkey,
arp_key->arp_sip = output->ipv4.addr.src; arp_key->arp_sip = output->ipv4.addr.src;
arp_key->arp_tip = output->ipv4.addr.dst; arp_key->arp_tip = output->ipv4.addr.dst;
arp_key->arp_op = htons(output->ip.proto); arp_key->arp_op = htons(output->ip.proto);
memcpy(arp_key->arp_sha, output->ipv4.arp.sha, ETH_ALEN); ether_addr_copy(arp_key->arp_sha, output->ipv4.arp.sha);
memcpy(arp_key->arp_tha, output->ipv4.arp.tha, ETH_ALEN); ether_addr_copy(arp_key->arp_tha, output->ipv4.arp.tha);
} }
if ((swkey->eth.type == htons(ETH_P_IP) || if ((swkey->eth.type == htons(ETH_P_IP) ||
@ -1147,8 +1147,8 @@ int ovs_nla_put_flow(const struct sw_flow_key *swkey,
nd_key = nla_data(nla); nd_key = nla_data(nla);
memcpy(nd_key->nd_target, &output->ipv6.nd.target, memcpy(nd_key->nd_target, &output->ipv6.nd.target,
sizeof(nd_key->nd_target)); sizeof(nd_key->nd_target));
memcpy(nd_key->nd_sll, output->ipv6.nd.sll, ETH_ALEN); ether_addr_copy(nd_key->nd_sll, output->ipv6.nd.sll);
memcpy(nd_key->nd_tll, output->ipv6.nd.tll, ETH_ALEN); ether_addr_copy(nd_key->nd_tll, output->ipv6.nd.tll);
} }
} }
} }