commit 3c2e0a68534da9ff9cc79866a20adb8ac78c424f
author Sriram Yagnaraman <sriram.yagnaraman@est.tech> Fri Mar 24 16:34:59 2023 +0100
committer Jason Wang <jasowang@redhat.com> Tue Mar 28 13:10:55 2023 +0800
tree 308271a3056af802a9f7386b263f2dfde81d6775
parent 5f12d7030424e8fc4ee6f123d110073f16ae2b10

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>

hw/net/igb_core.c

diff --git a/hw/net/igb_core.c b/hw/net/igb_core.c
index 38aa459..fd61c6c 100644
--- a/hw/net/igb_core.c
+++ b/hw/net/igb_core.c
@@ -1057,8 +1057,15 @@
         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 {