diff mbox series

[v4,6/9] igb: respect E1000_VMOLR_RSSE

Message ID 20230201111722.28748-7-sriram.yagnaraman@est.tech
State New
Headers show
Series igb: merge changes from <20221229190817.25500-1-sriram.yagnaraman@est.tech> | expand

Commit Message

Sriram Yagnaraman Feb. 1, 2023, 11:17 a.m. UTC 
RSS for VFs is only enabled if VMOLR[n].RSSE is set.

Signed-off-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
---
 hw/net/igb_core.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/hw/net/igb_core.c b/hw/net/igb_core.c
index cda81a54bf..c0b20287f2 100644
--- a/hw/net/igb_core.c
+++ b/hw/net/igb_core.c
@@ -1048,8 +1048,15 @@  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 {