From 4cab498f33f7adaa01ad15909c0f34a81e5a0b0a Mon Sep 17 00:00:00 2001 From: Shradha Gupta Date: Mon, 5 Jun 2023 04:30:06 -0700 Subject: hv_netvsc: Allocate rx indirection table size dynamically Allocate the size of rx indirection table dynamically in netvsc from the value of size provided by OID_GEN_RECEIVE_SCALE_CAPABILITIES query instead of using a constant value of ITAB_NUM. Signed-off-by: Shradha Gupta Reviewed-by: Haiyang Zhang Tested-on: Ubuntu22 (azure VM, SKU size: Standard_F72s_v2) Testcases: 1. ethtool -x eth0 output 2. LISA testcase:PERF-NETWORK-TCP-THROUGHPUT-MULTICONNECTION-NTTTCP-Synthetic 3. LISA testcase:PERF-NETWORK-TCP-THROUGHPUT-MULTICONNECTION-NTTTCP-SRIOV Reviewed-by: Simon Horman Signed-off-by: David S. Miller --- drivers/net/hyperv/hyperv_net.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'drivers/net/hyperv/hyperv_net.h') diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index 33d51e363913..c9dd69dbe1b8 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -74,6 +74,7 @@ struct ndis_recv_scale_cap { /* NDIS_RECEIVE_SCALE_CAPABILITIES */ #define NDIS_RSS_HASH_SECRET_KEY_MAX_SIZE_REVISION_2 40 #define ITAB_NUM 128 +#define ITAB_NUM_MAX 256 struct ndis_recv_scale_param { /* NDIS_RECEIVE_SCALE_PARAMETERS */ struct ndis_obj_header hdr; @@ -1034,7 +1035,9 @@ struct net_device_context { u32 tx_table[VRSS_SEND_TAB_SIZE]; - u16 rx_table[ITAB_NUM]; + u16 *rx_table; + + u32 rx_table_sz; /* Ethtool settings */ u8 duplex; -- cgit v1.2.3