diff options
Diffstat (limited to 'hw/net/net_rx_pkt.c')
| -rw-r--r-- | hw/net/net_rx_pkt.c | 48 |
1 files changed, 25 insertions, 23 deletions
diff --git a/hw/net/net_rx_pkt.c b/hw/net/net_rx_pkt.c index 0bbe662eb2..39cdea06de 100644 --- a/hw/net/net_rx_pkt.c +++ b/hw/net/net_rx_pkt.c @@ -35,8 +35,6 @@ struct NetRxPkt { /* Analysis results */ bool hasip4; bool hasip6; - bool hasudp; - bool hastcp; size_t l3hdr_off; size_t l4hdr_off; @@ -106,11 +104,10 @@ net_rx_pkt_pull_data(struct NetRxPkt *pkt, } eth_get_protocols(pkt->vec, pkt->vec_len, &pkt->hasip4, &pkt->hasip6, - &pkt->hasudp, &pkt->hastcp, &pkt->l3hdr_off, &pkt->l4hdr_off, &pkt->l5hdr_off, &pkt->ip6hdr_info, &pkt->ip4hdr_info, &pkt->l4hdr_info); - trace_net_rx_pkt_parsed(pkt->hasip4, pkt->hasip6, pkt->hasudp, pkt->hastcp, + trace_net_rx_pkt_parsed(pkt->hasip4, pkt->hasip6, pkt->l4hdr_info.proto, pkt->l3hdr_off, pkt->l4hdr_off, pkt->l5hdr_off); } @@ -200,21 +197,19 @@ void net_rx_pkt_set_protocols(struct NetRxPkt *pkt, const void *data, assert(pkt); eth_get_protocols(&iov, 1, &pkt->hasip4, &pkt->hasip6, - &pkt->hasudp, &pkt->hastcp, &pkt->l3hdr_off, &pkt->l4hdr_off, &pkt->l5hdr_off, &pkt->ip6hdr_info, &pkt->ip4hdr_info, &pkt->l4hdr_info); } void net_rx_pkt_get_protocols(struct NetRxPkt *pkt, bool *hasip4, bool *hasip6, - bool *hasudp, bool *hastcp) + EthL4HdrProto *l4hdr_proto) { assert(pkt); *hasip4 = pkt->hasip4; *hasip6 = pkt->hasip6; - *hasudp = pkt->hasudp; - *hastcp = pkt->hastcp; + *l4hdr_proto = pkt->l4hdr_info.proto; } size_t net_rx_pkt_get_l3_hdr_offset(struct NetRxPkt *pkt) @@ -337,14 +332,14 @@ net_rx_pkt_calc_rss_hash(struct NetRxPkt *pkt, break; case NetPktRssIpV4Tcp: assert(pkt->hasip4); - assert(pkt->hastcp); + assert(pkt->l4hdr_info.proto == ETH_L4_HDR_PROTO_TCP); trace_net_rx_pkt_rss_ip4_tcp(); _net_rx_rss_prepare_ip4(&rss_input[0], pkt, &rss_length); _net_rx_rss_prepare_tcp(&rss_input[0], pkt, &rss_length); break; case NetPktRssIpV6Tcp: assert(pkt->hasip6); - assert(pkt->hastcp); + assert(pkt->l4hdr_info.proto == ETH_L4_HDR_PROTO_TCP); trace_net_rx_pkt_rss_ip6_tcp(); _net_rx_rss_prepare_ip6(&rss_input[0], pkt, false, &rss_length); _net_rx_rss_prepare_tcp(&rss_input[0], pkt, &rss_length); @@ -361,28 +356,28 @@ net_rx_pkt_calc_rss_hash(struct NetRxPkt *pkt, break; case NetPktRssIpV6TcpEx: assert(pkt->hasip6); - assert(pkt->hastcp); + assert(pkt->l4hdr_info.proto == ETH_L4_HDR_PROTO_TCP); trace_net_rx_pkt_rss_ip6_ex_tcp(); _net_rx_rss_prepare_ip6(&rss_input[0], pkt, true, &rss_length); _net_rx_rss_prepare_tcp(&rss_input[0], pkt, &rss_length); break; case NetPktRssIpV4Udp: assert(pkt->hasip4); - assert(pkt->hasudp); + assert(pkt->l4hdr_info.proto == ETH_L4_HDR_PROTO_UDP); trace_net_rx_pkt_rss_ip4_udp(); _net_rx_rss_prepare_ip4(&rss_input[0], pkt, &rss_length); _net_rx_rss_prepare_udp(&rss_input[0], pkt, &rss_length); break; case NetPktRssIpV6Udp: assert(pkt->hasip6); - assert(pkt->hasudp); + assert(pkt->l4hdr_info.proto == ETH_L4_HDR_PROTO_UDP); trace_net_rx_pkt_rss_ip6_udp(); _net_rx_rss_prepare_ip6(&rss_input[0], pkt, false, &rss_length); _net_rx_rss_prepare_udp(&rss_input[0], pkt, &rss_length); break; case NetPktRssIpV6UdpEx: assert(pkt->hasip6); - assert(pkt->hasudp); + assert(pkt->l4hdr_info.proto == ETH_L4_HDR_PROTO_UDP); trace_net_rx_pkt_rss_ip6_ex_udp(); _net_rx_rss_prepare_ip6(&rss_input[0], pkt, true, &rss_length); _net_rx_rss_prepare_udp(&rss_input[0], pkt, &rss_length); @@ -415,7 +410,7 @@ bool net_rx_pkt_is_tcp_ack(struct NetRxPkt *pkt) { assert(pkt); - if (pkt->hastcp) { + if (pkt->l4hdr_info.proto == ETH_L4_HDR_PROTO_TCP) { return TCP_HEADER_FLAGS(&pkt->l4hdr_info.hdr.tcp) & TCP_FLAG_ACK; } @@ -426,7 +421,7 @@ bool net_rx_pkt_has_tcp_data(struct NetRxPkt *pkt) { assert(pkt); - if (pkt->hastcp) { + if (pkt->l4hdr_info.proto == ETH_L4_HDR_PROTO_TCP) { return pkt->l4hdr_info.has_tcp_data; } @@ -524,7 +519,7 @@ _net_rx_pkt_calc_l4_csum(struct NetRxPkt *pkt) trace_net_rx_pkt_l4_csum_calc_entry(); if (pkt->hasip4) { - if (pkt->hasudp) { + if (pkt->l4hdr_info.proto == ETH_L4_HDR_PROTO_UDP) { csl = be16_to_cpu(pkt->l4hdr_info.hdr.udp.uh_ulen); trace_net_rx_pkt_l4_csum_calc_ip4_udp(); } else { @@ -537,7 +532,7 @@ _net_rx_pkt_calc_l4_csum(struct NetRxPkt *pkt) csl, &cso); trace_net_rx_pkt_l4_csum_calc_ph_csum(cntr, csl); } else { - if (pkt->hasudp) { + if (pkt->l4hdr_info.proto == ETH_L4_HDR_PROTO_UDP) { csl = be16_to_cpu(pkt->l4hdr_info.hdr.udp.uh_ulen); trace_net_rx_pkt_l4_csum_calc_ip6_udp(); } else { @@ -571,12 +566,14 @@ bool net_rx_pkt_validate_l4_csum(struct NetRxPkt *pkt, bool *csum_valid) trace_net_rx_pkt_l4_csum_validate_entry(); - if (!pkt->hastcp && !pkt->hasudp) { + if (pkt->l4hdr_info.proto != ETH_L4_HDR_PROTO_TCP && + pkt->l4hdr_info.proto != ETH_L4_HDR_PROTO_UDP) { trace_net_rx_pkt_l4_csum_validate_not_xxp(); return false; } - if (pkt->hasudp && (pkt->l4hdr_info.hdr.udp.uh_sum == 0)) { + if (pkt->l4hdr_info.proto == ETH_L4_HDR_PROTO_UDP && + pkt->l4hdr_info.hdr.udp.uh_sum == 0) { trace_net_rx_pkt_l4_csum_validate_udp_with_no_checksum(); return false; } @@ -602,17 +599,22 @@ bool net_rx_pkt_fix_l4_csum(struct NetRxPkt *pkt) trace_net_rx_pkt_l4_csum_fix_entry(); - if (pkt->hastcp) { + switch (pkt->l4hdr_info.proto) { + case ETH_L4_HDR_PROTO_TCP: l4_cso = offsetof(struct tcp_header, th_sum); trace_net_rx_pkt_l4_csum_fix_tcp(l4_cso); - } else if (pkt->hasudp) { + break; + + case ETH_L4_HDR_PROTO_UDP: if (pkt->l4hdr_info.hdr.udp.uh_sum == 0) { trace_net_rx_pkt_l4_csum_fix_udp_with_no_checksum(); return false; } l4_cso = offsetof(struct udp_header, uh_sum); trace_net_rx_pkt_l4_csum_fix_udp(l4_cso); - } else { + break; + + default: trace_net_rx_pkt_l4_csum_fix_not_xxp(); return false; } |