mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

igb: Use UDP for RSS hash

Browse Source 
e1000e does not support using UDP for RSS hash, but igb does.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Akihiko Odaki 2023-05-23 11:43:26 +09:00 committed by Jason Wang
parent 191e8bde88
commit abc9a29d6b
2 changed files with 19 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
hw/net/igb_core.c
View File

@ -287,6 +287,11 @@ igb_rss_get_hash_type(IGBCore *core, struct NetRxPkt *pkt)
return E1000_MRQ_RSS_TYPE_IPV4TCP;
}
if (l4hdr_proto == ETH_L4_HDR_PROTO_UDP &&
(core->mac[MRQC] & E1000_MRQC_RSS_FIELD_IPV4_UDP)) {
return E1000_MRQ_RSS_TYPE_IPV4UDP;
}
if (E1000_MRQC_EN_IPV4(core->mac[MRQC])) {
return E1000_MRQ_RSS_TYPE_IPV4;
}
@ -322,6 +327,11 @@ igb_rss_get_hash_type(IGBCore *core, struct NetRxPkt *pkt)
return E1000_MRQ_RSS_TYPE_IPV6TCPEX;
}
if (l4hdr_proto == ETH_L4_HDR_PROTO_UDP &&
(core->mac[MRQC] & E1000_MRQC_RSS_FIELD_IPV6_UDP)) {
return E1000_MRQ_RSS_TYPE_IPV6UDP;
}
if (E1000_MRQC_EN_IPV6EX(core->mac[MRQC])) {
return E1000_MRQ_RSS_TYPE_IPV6EX;
}
@ -360,6 +370,12 @@ igb_rss_calc_hash(IGBCore *core, struct NetRxPkt *pkt, E1000E_RSSInfo *info)
case E1000_MRQ_RSS_TYPE_IPV6EX:
type = NetPktRssIpV6Ex;
break;
case E1000_MRQ_RSS_TYPE_IPV4UDP:
type = NetPktRssIpV4Udp;
break;
case E1000_MRQ_RSS_TYPE_IPV6UDP:
type = NetPktRssIpV6Udp;
break;
default:
assert(false);
return 0;

3
hw/net/igb_regs.h
View File

@ -659,6 +659,9 @@ union e1000_adv_rx_desc {
#define E1000_RSS_QUEUE(reta, hash) (E1000_RETA_VAL(reta, hash) & 0x0F)
#define E1000_MRQ_RSS_TYPE_IPV4UDP 7
#define E1000_MRQ_RSS_TYPE_IPV6UDP 8
#define E1000_STATUS_IOV_MODE 0x00040000
#define E1000_STATUS_NUM_VFS_SHIFT 14