diff options
Diffstat (limited to 'net/openvswitch')
| -rw-r--r-- | net/openvswitch/actions.c | 24 | ||||
| -rw-r--r-- | net/openvswitch/datapath.c | 21 | ||||
| -rw-r--r-- | net/openvswitch/flow.c | 13 | ||||
| -rw-r--r-- | net/openvswitch/flow_netlink.c | 6 | ||||
| -rw-r--r-- | net/openvswitch/flow_netlink.h | 3 |
5 files changed, 33 insertions, 34 deletions
diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c index 863e992dfbc0..4e03f64709bc 100644 --- a/net/openvswitch/actions.c +++ b/net/openvswitch/actions.c @@ -160,7 +160,7 @@ static void update_ethertype(struct sk_buff *skb, struct ethhdr *hdr, static int push_mpls(struct sk_buff *skb, struct sw_flow_key *key, const struct ovs_action_push_mpls *mpls) { - __be32 *new_mpls_lse; + struct mpls_shim_hdr *new_mpls_lse; /* Networking stack do not allow simultaneous Tunnel and MPLS GSO. */ if (skb->encapsulation) @@ -180,8 +180,8 @@ static int push_mpls(struct sk_buff *skb, struct sw_flow_key *key, skb_reset_mac_header(skb); skb_set_network_header(skb, skb->mac_len); - new_mpls_lse = (__be32 *)skb_mpls_header(skb); - *new_mpls_lse = mpls->mpls_lse; + new_mpls_lse = mpls_hdr(skb); + new_mpls_lse->label_stack_entry = mpls->mpls_lse; skb_postpush_rcsum(skb, new_mpls_lse, MPLS_HLEN); @@ -202,7 +202,7 @@ static int pop_mpls(struct sk_buff *skb, struct sw_flow_key *key, if (unlikely(err)) return err; - skb_postpull_rcsum(skb, skb_mpls_header(skb), MPLS_HLEN); + skb_postpull_rcsum(skb, mpls_hdr(skb), MPLS_HLEN); memmove(skb_mac_header(skb) + MPLS_HLEN, skb_mac_header(skb), skb->mac_len); @@ -211,10 +211,10 @@ static int pop_mpls(struct sk_buff *skb, struct sw_flow_key *key, skb_reset_mac_header(skb); skb_set_network_header(skb, skb->mac_len); - /* skb_mpls_header() is used to locate the ethertype - * field correctly in the presence of VLAN tags. + /* mpls_hdr() is used to locate the ethertype field correctly in the + * presence of VLAN tags. */ - hdr = (struct ethhdr *)(skb_mpls_header(skb) - ETH_HLEN); + hdr = (struct ethhdr *)((void *)mpls_hdr(skb) - ETH_HLEN); update_ethertype(skb, hdr, ethertype); if (eth_p_mpls(skb->protocol)) skb->protocol = ethertype; @@ -226,7 +226,7 @@ static int pop_mpls(struct sk_buff *skb, struct sw_flow_key *key, static int set_mpls(struct sk_buff *skb, struct sw_flow_key *flow_key, const __be32 *mpls_lse, const __be32 *mask) { - __be32 *stack; + struct mpls_shim_hdr *stack; __be32 lse; int err; @@ -234,16 +234,16 @@ static int set_mpls(struct sk_buff *skb, struct sw_flow_key *flow_key, if (unlikely(err)) return err; - stack = (__be32 *)skb_mpls_header(skb); - lse = OVS_MASKED(*stack, *mpls_lse, *mask); + stack = mpls_hdr(skb); + lse = OVS_MASKED(stack->label_stack_entry, *mpls_lse, *mask); if (skb->ip_summed == CHECKSUM_COMPLETE) { - __be32 diff[] = { ~(*stack), lse }; + __be32 diff[] = { ~(stack->label_stack_entry), lse }; skb->csum = ~csum_partial((char *)diff, sizeof(diff), ~skb->csum); } - *stack = lse; + stack->label_stack_entry = lse; flow_key->mpls.top_lse = lse; return 0; } diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c index 0536ab3504d5..4d67ea856067 100644 --- a/net/openvswitch/datapath.c +++ b/net/openvswitch/datapath.c @@ -928,7 +928,6 @@ static int ovs_flow_cmd_new(struct sk_buff *skb, struct genl_info *info) struct sw_flow_mask mask; struct sk_buff *reply; struct datapath *dp; - struct sw_flow_key key; struct sw_flow_actions *acts; struct sw_flow_match match; u32 ufid_flags = ovs_nla_get_ufid_flags(a[OVS_FLOW_ATTR_UFID_FLAGS]); @@ -956,20 +955,24 @@ static int ovs_flow_cmd_new(struct sk_buff *skb, struct genl_info *info) } /* Extract key. */ - ovs_match_init(&match, &key, &mask); + ovs_match_init(&match, &new_flow->key, false, &mask); error = ovs_nla_get_match(net, &match, a[OVS_FLOW_ATTR_KEY], a[OVS_FLOW_ATTR_MASK], log); if (error) goto err_kfree_flow; - ovs_flow_mask_key(&new_flow->key, &key, true, &mask); - /* Extract flow identifier. */ error = ovs_nla_get_identifier(&new_flow->id, a[OVS_FLOW_ATTR_UFID], - &key, log); + &new_flow->key, log); if (error) goto err_kfree_flow; + /* unmasked key is needed to match when ufid is not used. */ + if (ovs_identifier_is_key(&new_flow->id)) + match.key = new_flow->id.unmasked_key; + + ovs_flow_mask_key(&new_flow->key, &new_flow->key, true, &mask); + /* Validate actions. */ error = ovs_nla_copy_actions(net, a[OVS_FLOW_ATTR_ACTIONS], &new_flow->key, &acts, log); @@ -996,7 +999,7 @@ static int ovs_flow_cmd_new(struct sk_buff *skb, struct genl_info *info) if (ovs_identifier_is_ufid(&new_flow->id)) flow = ovs_flow_tbl_lookup_ufid(&dp->table, &new_flow->id); if (!flow) - flow = ovs_flow_tbl_lookup(&dp->table, &key); + flow = ovs_flow_tbl_lookup(&dp->table, &new_flow->key); if (likely(!flow)) { rcu_assign_pointer(new_flow->sf_acts, acts); @@ -1121,7 +1124,7 @@ static int ovs_flow_cmd_set(struct sk_buff *skb, struct genl_info *info) ufid_present = ovs_nla_get_ufid(&sfid, a[OVS_FLOW_ATTR_UFID], log); if (a[OVS_FLOW_ATTR_KEY]) { - ovs_match_init(&match, &key, &mask); + ovs_match_init(&match, &key, true, &mask); error = ovs_nla_get_match(net, &match, a[OVS_FLOW_ATTR_KEY], a[OVS_FLOW_ATTR_MASK], log); } else if (!ufid_present) { @@ -1238,7 +1241,7 @@ static int ovs_flow_cmd_get(struct sk_buff *skb, struct genl_info *info) ufid_present = ovs_nla_get_ufid(&ufid, a[OVS_FLOW_ATTR_UFID], log); if (a[OVS_FLOW_ATTR_KEY]) { - ovs_match_init(&match, &key, NULL); + ovs_match_init(&match, &key, true, NULL); err = ovs_nla_get_match(net, &match, a[OVS_FLOW_ATTR_KEY], NULL, log); } else if (!ufid_present) { @@ -1297,7 +1300,7 @@ static int ovs_flow_cmd_del(struct sk_buff *skb, struct genl_info *info) ufid_present = ovs_nla_get_ufid(&ufid, a[OVS_FLOW_ATTR_UFID], log); if (a[OVS_FLOW_ATTR_KEY]) { - ovs_match_init(&match, &key, NULL); + ovs_match_init(&match, &key, true, NULL); err = ovs_nla_get_match(net, &match, a[OVS_FLOW_ATTR_KEY], NULL, log); if (unlikely(err)) diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c index 0fa45439def1..c8c82e109c68 100644 --- a/net/openvswitch/flow.c +++ b/net/openvswitch/flow.c @@ -633,12 +633,7 @@ static int key_extract(struct sk_buff *skb, struct sw_flow_key *key) } else if (eth_p_mpls(key->eth.type)) { size_t stack_len = MPLS_HLEN; - /* In the presence of an MPLS label stack the end of the L2 - * header and the beginning of the L3 header differ. - * - * Advance network_header to the beginning of the L3 - * header. mac_len corresponds to the end of the L2 header. - */ + skb_set_inner_network_header(skb, skb->mac_len); while (1) { __be32 lse; @@ -646,12 +641,12 @@ static int key_extract(struct sk_buff *skb, struct sw_flow_key *key) if (unlikely(error)) return 0; - memcpy(&lse, skb_network_header(skb), MPLS_HLEN); + memcpy(&lse, skb_inner_network_header(skb), MPLS_HLEN); if (stack_len == MPLS_HLEN) memcpy(&key->mpls.top_lse, &lse, MPLS_HLEN); - skb_set_network_header(skb, skb->mac_len + stack_len); + skb_set_inner_network_header(skb, skb->mac_len + stack_len); if (lse & htonl(MPLS_LS_S_MASK)) break; @@ -767,8 +762,6 @@ int ovs_flow_key_extract_userspace(struct net *net, const struct nlattr *attr, { int err; - memset(key, 0, OVS_SW_FLOW_KEY_METADATA_SIZE); - /* Extract metadata from netlink attributes. */ err = ovs_nla_get_flow_metadata(net, attr, key, log); if (err) diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c index 8efa718ddb5e..ae25ded82b3b 100644 --- a/net/openvswitch/flow_netlink.c +++ b/net/openvswitch/flow_netlink.c @@ -1996,13 +1996,15 @@ static int validate_and_copy_sample(struct net *net, const struct nlattr *attr, void ovs_match_init(struct sw_flow_match *match, struct sw_flow_key *key, + bool reset_key, struct sw_flow_mask *mask) { memset(match, 0, sizeof(*match)); match->key = key; match->mask = mask; - memset(key, 0, sizeof(*key)); + if (reset_key) + memset(key, 0, sizeof(*key)); if (mask) { memset(&mask->key, 0, sizeof(mask->key)); @@ -2049,7 +2051,7 @@ static int validate_and_copy_set_tun(const struct nlattr *attr, struct nlattr *a; int err = 0, start, opts_type; - ovs_match_init(&match, &key, NULL); + ovs_match_init(&match, &key, true, NULL); opts_type = ip_tun_from_nlattr(nla_data(attr), &match, false, log); if (opts_type < 0) return opts_type; diff --git a/net/openvswitch/flow_netlink.h b/net/openvswitch/flow_netlink.h index 47dd142eca1c..45f9769e5aac 100644 --- a/net/openvswitch/flow_netlink.h +++ b/net/openvswitch/flow_netlink.h @@ -41,7 +41,8 @@ size_t ovs_tun_key_attr_size(void); size_t ovs_key_attr_size(void); void ovs_match_init(struct sw_flow_match *match, - struct sw_flow_key *key, struct sw_flow_mask *mask); + struct sw_flow_key *key, bool reset_key, + struct sw_flow_mask *mask); int ovs_nla_put_key(const struct sw_flow_key *, const struct sw_flow_key *, int attr, bool is_mask, struct sk_buff *); 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