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Diffstat (limited to 'hw/net/net_rx_pkt.c')
-rw-r--r--hw/net/net_rx_pkt.c102
1 files changed, 51 insertions, 51 deletions
diff --git a/hw/net/net_rx_pkt.c b/hw/net/net_rx_pkt.c
index 1e1c504e42..39cdea06de 100644
--- a/hw/net/net_rx_pkt.c
+++ b/hw/net/net_rx_pkt.c
@@ -30,14 +30,11 @@ struct NetRxPkt {
uint32_t tot_len;
uint16_t tci;
size_t ehdr_buf_len;
- bool has_virt_hdr;
eth_pkt_types_e packet_type;
/* Analysis results */
- bool isip4;
- bool isip6;
- bool isudp;
- bool istcp;
+ bool hasip4;
+ bool hasip6;
size_t l3hdr_off;
size_t l4hdr_off;
@@ -48,10 +45,9 @@ struct NetRxPkt {
eth_l4_hdr_info l4hdr_info;
};
-void net_rx_pkt_init(struct NetRxPkt **pkt, bool has_virt_hdr)
+void net_rx_pkt_init(struct NetRxPkt **pkt)
{
struct NetRxPkt *p = g_malloc0(sizeof *p);
- p->has_virt_hdr = has_virt_hdr;
p->vec = NULL;
p->vec_len_total = 0;
*pkt = p;
@@ -107,12 +103,11 @@ net_rx_pkt_pull_data(struct NetRxPkt *pkt,
iov, iovcnt, ploff, pkt->tot_len);
}
- eth_get_protocols(pkt->vec, pkt->vec_len, &pkt->isip4, &pkt->isip6,
- &pkt->isudp, &pkt->istcp,
+ eth_get_protocols(pkt->vec, pkt->vec_len, &pkt->hasip4, &pkt->hasip6,
&pkt->l3hdr_off, &pkt->l4hdr_off, &pkt->l5hdr_off,
&pkt->ip6hdr_info, &pkt->ip4hdr_info, &pkt->l4hdr_info);
- trace_net_rx_pkt_parsed(pkt->isip4, pkt->isip6, pkt->isudp, pkt->istcp,
+ trace_net_rx_pkt_parsed(pkt->hasip4, pkt->hasip6, pkt->l4hdr_info.proto,
pkt->l3hdr_off, pkt->l4hdr_off, pkt->l5hdr_off);
}
@@ -201,22 +196,20 @@ void net_rx_pkt_set_protocols(struct NetRxPkt *pkt, const void *data,
assert(pkt);
- eth_get_protocols(&iov, 1, &pkt->isip4, &pkt->isip6,
- &pkt->isudp, &pkt->istcp,
+ eth_get_protocols(&iov, 1, &pkt->hasip4, &pkt->hasip6,
&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 *isip4, bool *isip6,
- bool *isudp, bool *istcp)
+ bool *hasip4, bool *hasip6,
+ EthL4HdrProto *l4hdr_proto)
{
assert(pkt);
- *isip4 = pkt->isip4;
- *isip6 = pkt->isip6;
- *isudp = pkt->isudp;
- *istcp = pkt->istcp;
+ *hasip4 = pkt->hasip4;
+ *hasip6 = pkt->hasip6;
+ *l4hdr_proto = pkt->l4hdr_info.proto;
}
size_t net_rx_pkt_get_l3_hdr_offset(struct NetRxPkt *pkt)
@@ -333,58 +326,58 @@ net_rx_pkt_calc_rss_hash(struct NetRxPkt *pkt,
switch (type) {
case NetPktRssIpV4:
- assert(pkt->isip4);
+ assert(pkt->hasip4);
trace_net_rx_pkt_rss_ip4();
_net_rx_rss_prepare_ip4(&rss_input[0], pkt, &rss_length);
break;
case NetPktRssIpV4Tcp:
- assert(pkt->isip4);
- assert(pkt->istcp);
+ assert(pkt->hasip4);
+ 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->isip6);
- assert(pkt->istcp);
+ assert(pkt->hasip6);
+ 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);
break;
case NetPktRssIpV6:
- assert(pkt->isip6);
+ assert(pkt->hasip6);
trace_net_rx_pkt_rss_ip6();
_net_rx_rss_prepare_ip6(&rss_input[0], pkt, false, &rss_length);
break;
case NetPktRssIpV6Ex:
- assert(pkt->isip6);
+ assert(pkt->hasip6);
trace_net_rx_pkt_rss_ip6_ex();
_net_rx_rss_prepare_ip6(&rss_input[0], pkt, true, &rss_length);
break;
case NetPktRssIpV6TcpEx:
- assert(pkt->isip6);
- assert(pkt->istcp);
+ assert(pkt->hasip6);
+ 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->isip4);
- assert(pkt->isudp);
+ assert(pkt->hasip4);
+ 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->isip6);
- assert(pkt->isudp);
+ assert(pkt->hasip6);
+ 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->isip6);
- assert(pkt->isudp);
+ assert(pkt->hasip6);
+ 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);
@@ -406,7 +399,7 @@ uint16_t net_rx_pkt_get_ip_id(struct NetRxPkt *pkt)
{
assert(pkt);
- if (pkt->isip4) {
+ if (pkt->hasip4) {
return be16_to_cpu(pkt->ip4hdr_info.ip4_hdr.ip_id);
}
@@ -417,7 +410,7 @@ bool net_rx_pkt_is_tcp_ack(struct NetRxPkt *pkt)
{
assert(pkt);
- if (pkt->istcp) {
+ if (pkt->l4hdr_info.proto == ETH_L4_HDR_PROTO_TCP) {
return TCP_HEADER_FLAGS(&pkt->l4hdr_info.hdr.tcp) & TCP_FLAG_ACK;
}
@@ -428,7 +421,7 @@ bool net_rx_pkt_has_tcp_data(struct NetRxPkt *pkt)
{
assert(pkt);
- if (pkt->istcp) {
+ if (pkt->l4hdr_info.proto == ETH_L4_HDR_PROTO_TCP) {
return pkt->l4hdr_info.has_tcp_data;
}
@@ -465,18 +458,18 @@ void net_rx_pkt_set_vhdr_iovec(struct NetRxPkt *pkt,
iov_to_buf(iov, iovcnt, 0, &pkt->virt_hdr, sizeof pkt->virt_hdr);
}
-bool net_rx_pkt_is_vlan_stripped(struct NetRxPkt *pkt)
+void net_rx_pkt_unset_vhdr(struct NetRxPkt *pkt)
{
assert(pkt);
- return pkt->ehdr_buf_len ? true : false;
+ memset(&pkt->virt_hdr, 0, sizeof(pkt->virt_hdr));
}
-bool net_rx_pkt_has_virt_hdr(struct NetRxPkt *pkt)
+bool net_rx_pkt_is_vlan_stripped(struct NetRxPkt *pkt)
{
assert(pkt);
- return pkt->has_virt_hdr;
+ return pkt->ehdr_buf_len ? true : false;
}
uint16_t net_rx_pkt_get_vlan_tag(struct NetRxPkt *pkt)
@@ -494,7 +487,7 @@ bool net_rx_pkt_validate_l3_csum(struct NetRxPkt *pkt, bool *csum_valid)
trace_net_rx_pkt_l3_csum_validate_entry();
- if (!pkt->isip4) {
+ if (!pkt->hasip4) {
trace_net_rx_pkt_l3_csum_validate_not_ip4();
return false;
}
@@ -525,8 +518,8 @@ _net_rx_pkt_calc_l4_csum(struct NetRxPkt *pkt)
trace_net_rx_pkt_l4_csum_calc_entry();
- if (pkt->isip4) {
- if (pkt->isudp) {
+ if (pkt->hasip4) {
+ 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 {
@@ -539,7 +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->isudp) {
+ 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 {
@@ -573,17 +566,19 @@ bool net_rx_pkt_validate_l4_csum(struct NetRxPkt *pkt, bool *csum_valid)
trace_net_rx_pkt_l4_csum_validate_entry();
- if (!pkt->istcp && !pkt->isudp) {
+ 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->isudp && (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;
}
- if (pkt->isip4 && pkt->ip4hdr_info.fragment) {
+ if (pkt->hasip4 && pkt->ip4hdr_info.fragment) {
trace_net_rx_pkt_l4_csum_validate_ip4_fragment();
return false;
}
@@ -604,22 +599,27 @@ bool net_rx_pkt_fix_l4_csum(struct NetRxPkt *pkt)
trace_net_rx_pkt_l4_csum_fix_entry();
- if (pkt->istcp) {
+ 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->isudp) {
+ 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;
}
- if (pkt->isip4 && pkt->ip4hdr_info.fragment) {
+ if (pkt->hasip4 && pkt->ip4hdr_info.fragment) {
trace_net_rx_pkt_l4_csum_fix_ip4_fragment();
return false;
}