igb: respect E1000_VMOLR_RSSE

RSS for VFs is only enabled if VMOLR[n].RSSE is set.

Signed-off-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Sriram Yagnaraman 2023-03-24 16:34:59 +01:00 committed by Jason Wang
parent 5f12d70304
commit 3c2e0a6853
1 changed files with 8 additions and 1 deletions

View File

@ -1057,8 +1057,15 @@ static uint16_t igb_receive_assign(IGBCore *core, const struct eth_header *ehdr,
if (queues) {
igb_rss_parse_packet(core, core->rx_pkt,
external_tx != NULL, rss_info);
/* Sec 8.26.1: PQn = VFn + VQn*8 */
if (rss_info->queue & 1) {
queues <<= 8;
for (i = 0; i < IGB_NUM_VM_POOLS; i++) {
if ((queues & BIT(i)) &&
(core->mac[VMOLR0 + i] & E1000_VMOLR_RSSE)) {
queues |= BIT(i + IGB_NUM_VM_POOLS);
queues &= ~BIT(i);
}
}
}
}
} else {