jcs.org
qemu with hax to log dma reads & writes
jcs.org/2018/11/12/vfio
NetRxPkt: Introduce support for additional hash types
Add support for following hash types:
IPV6 TCP with extension headers
IPV4 UDP
IPV6 UDP
IPV6 UDP with extension headers
Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com>
Acked-by: Dmitry Fleytman <dmitry.fleytman@gmail.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
authored by
Yuri Benditovich
and committed by
Jason Wang
33bbc05e
b559ea95
+51
-1
+42
hw/net/net_rx_pkt.c
+42
hw/net/net_rx_pkt.c
···
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&tcphdr->th_dport, sizeof(uint16_t));
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}
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static inline void
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_net_rx_rss_prepare_udp(uint8_t *rss_input,
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struct NetRxPkt *pkt,
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size_t *bytes_written)
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{
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struct udp_header *udphdr = &pkt->l4hdr_info.hdr.udp;
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_net_rx_rss_add_chunk(rss_input, bytes_written,
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&udphdr->uh_sport, sizeof(uint16_t));
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_net_rx_rss_add_chunk(rss_input, bytes_written,
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&udphdr->uh_dport, sizeof(uint16_t));
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}
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uint32_t
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net_rx_pkt_calc_rss_hash(struct NetRxPkt *pkt,
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NetRxPktRssType type,
···
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assert(pkt->isip6);
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trace_net_rx_pkt_rss_ip6_ex();
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_net_rx_rss_prepare_ip6(&rss_input[0], pkt, true, &rss_length);
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break;
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case NetPktRssIpV6TcpEx:
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assert(pkt->isip6);
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assert(pkt->istcp);
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trace_net_rx_pkt_rss_ip6_ex_tcp();
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_net_rx_rss_prepare_ip6(&rss_input[0], pkt, true, &rss_length);
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_net_rx_rss_prepare_tcp(&rss_input[0], pkt, &rss_length);
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break;
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case NetPktRssIpV4Udp:
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assert(pkt->isip4);
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assert(pkt->isudp);
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trace_net_rx_pkt_rss_ip4_udp();
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_net_rx_rss_prepare_ip4(&rss_input[0], pkt, &rss_length);
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_net_rx_rss_prepare_udp(&rss_input[0], pkt, &rss_length);
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break;
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case NetPktRssIpV6Udp:
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assert(pkt->isip6);
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assert(pkt->isudp);
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trace_net_rx_pkt_rss_ip6_udp();
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_net_rx_rss_prepare_ip6(&rss_input[0], pkt, false, &rss_length);
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_net_rx_rss_prepare_udp(&rss_input[0], pkt, &rss_length);
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break;
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case NetPktRssIpV6UdpEx:
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assert(pkt->isip6);
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assert(pkt->isudp);
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trace_net_rx_pkt_rss_ip6_ex_udp();
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_net_rx_rss_prepare_ip6(&rss_input[0], pkt, true, &rss_length);
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_net_rx_rss_prepare_udp(&rss_input[0], pkt, &rss_length);
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break;
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default:
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assert(false);
+5
-1
hw/net/net_rx_pkt.h
+5
-1
hw/net/net_rx_pkt.h
+4
hw/net/trace-events
+4
hw/net/trace-events
···
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net_rx_pkt_rss_ip4(void) "Calculating IPv4 RSS hash"
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net_rx_pkt_rss_ip4_tcp(void) "Calculating IPv4/TCP RSS hash"
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net_rx_pkt_rss_ip4_udp(void) "Calculating IPv4/UDP RSS hash"
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net_rx_pkt_rss_ip6_tcp(void) "Calculating IPv6/TCP RSS hash"
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net_rx_pkt_rss_ip6_udp(void) "Calculating IPv6/UDP RSS hash"
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net_rx_pkt_rss_ip6(void) "Calculating IPv6 RSS hash"
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net_rx_pkt_rss_ip6_ex(void) "Calculating IPv6/EX RSS hash"
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net_rx_pkt_rss_ip6_ex_tcp(void) "Calculating IPv6/EX/TCP RSS hash"
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net_rx_pkt_rss_ip6_ex_udp(void) "Calculating IPv6/EX/UDP RSS hash"
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net_rx_pkt_rss_hash(size_t rss_length, uint32_t rss_hash) "RSS hash for %zu bytes: 0x%X"
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net_rx_pkt_rss_add_chunk(void* ptr, size_t size, size_t input_offset) "Add RSS chunk %p, %zu bytes, RSS input offset %zu bytes"
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