X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=datapath%2Fflow.c;h=fb339e73e581a6379a726c14fc0ca592b45ab92b;hb=bbdc31bcff1efb9638e479b7e33b701e1159c7fe;hp=a3ed9e83310d3d92ea9f0b6a09d34c1b03cc5d09;hpb=33b38b63e42c1f5aa80d1d7b4ce79cfbe371fae3;p=openvswitch diff --git a/datapath/flow.c b/datapath/flow.c index a3ed9e83..fb339e73 100644 --- a/datapath/flow.c +++ b/datapath/flow.c @@ -104,22 +104,24 @@ void flow_used(struct sw_flow *flow, struct sk_buff *skb) spin_unlock_bh(&flow->lock); } -struct sw_flow_actions *flow_actions_alloc(size_t n_actions) +struct sw_flow_actions *flow_actions_alloc(u32 actions_len) { struct sw_flow_actions *sfa; + if (actions_len % NLA_ALIGNTO) + return ERR_PTR(-EINVAL); + /* At least DP_MAX_PORTS actions are required to be able to flood a * packet to every port. Factor of 2 allows for setting VLAN tags, * etc. */ - if (n_actions > 2 * DP_MAX_PORTS) + if (actions_len > 2 * DP_MAX_PORTS * nla_total_size(4)) return ERR_PTR(-EINVAL); - sfa = kmalloc(sizeof *sfa + n_actions * sizeof(union odp_action), - GFP_KERNEL); + sfa = kmalloc(sizeof *sfa + actions_len, GFP_KERNEL); if (!sfa) return ERR_PTR(-ENOMEM); - sfa->n_actions = n_actions; + sfa->actions_len = actions_len; return sfa; } @@ -173,7 +175,7 @@ void flow_put(struct sw_flow *flow) return; if (atomic_dec_and_test(&flow->refcnt)) { - kfree(flow->sf_acts); + kfree((struct sf_flow_acts __force *)flow->sf_acts); kmem_cache_free(flow_cache, flow); } } @@ -216,7 +218,7 @@ static __be16 parse_ethertype(struct sk_buff *skb) u8 ssap; /* Always 0xAA */ u8 ctrl; u8 oui[3]; - u16 ethertype; + __be16 ethertype; }; struct llc_snap_hdr *llc; __be16 proto; @@ -331,7 +333,8 @@ int flow_extract(struct sk_buff *skb, u16 in_port, struct odp_flow_key *key, key->nw_proto = nh->protocol; /* Transport layer. */ - if (!(nh->frag_off & htons(IP_MF | IP_OFFSET))) { + if (!(nh->frag_off & htons(IP_MF | IP_OFFSET)) && + !(skb_shinfo(skb)->gso_type & SKB_GSO_UDP)) { if (key->nw_proto == IPPROTO_TCP) { if (tcphdr_ok(skb)) { struct tcphdr *tcp = tcp_hdr(skb);