From 46899bde9f42a965158bb9434672fc66834fb8e6 Mon Sep 17 00:00:00 2001
From: Lijun Pan <ljp@linux.ibm.com>
Date: Sun, 27 Sep 2020 20:13:30 -0500
Subject: [PATCH] ibmvnic: create send_control_ip_offload
References: bsc#1184114 ltc#192237 bsc#1179243 ltc#189290
Patch-mainline: v5.10-rc1
Git-commit: 46899bde9f42a965158bb9434672fc66834fb8e6
Factor send_control_ip_offload out of handle_query_ip_offload_rsp.
Signed-off-by: Lijun Pan <ljp@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Michal Suchanek <msuchanek@suse.de>
---
drivers/net/ethernet/ibm/ibmvnic.c | 150 +++++++++++++++--------------
1 file changed, 80 insertions(+), 70 deletions(-)
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index 7fba4860a2c2..1f7fe6b3dd5a 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -3981,6 +3981,85 @@ static void send_query_ip_offload(struct ibmvnic_adapter *adapter)
ibmvnic_send_crq(adapter, &crq);
}
+static void send_control_ip_offload(struct ibmvnic_adapter *adapter)
+{
+ struct ibmvnic_control_ip_offload_buffer *ctrl_buf = &adapter->ip_offload_ctrl;
+ struct ibmvnic_query_ip_offload_buffer *buf = &adapter->ip_offload_buf;
+ struct device *dev = &adapter->vdev->dev;
+ netdev_features_t old_hw_features = 0;
+ union ibmvnic_crq crq;
+
+ adapter->ip_offload_ctrl_tok =
+ dma_map_single(dev,
+ ctrl_buf,
+ sizeof(adapter->ip_offload_ctrl),
+ DMA_TO_DEVICE);
+
+ if (dma_mapping_error(dev, adapter->ip_offload_ctrl_tok)) {
+ dev_err(dev, "Couldn't map ip offload control buffer\n");
+ return;
+ }
+
+ ctrl_buf->len = cpu_to_be32(sizeof(adapter->ip_offload_ctrl));
+ ctrl_buf->version = cpu_to_be32(INITIAL_VERSION_IOB);
+ ctrl_buf->ipv4_chksum = buf->ipv4_chksum;
+ ctrl_buf->ipv6_chksum = buf->ipv6_chksum;
+ ctrl_buf->tcp_ipv4_chksum = buf->tcp_ipv4_chksum;
+ ctrl_buf->udp_ipv4_chksum = buf->udp_ipv4_chksum;
+ ctrl_buf->tcp_ipv6_chksum = buf->tcp_ipv6_chksum;
+ ctrl_buf->udp_ipv6_chksum = buf->udp_ipv6_chksum;
+ ctrl_buf->large_tx_ipv4 = buf->large_tx_ipv4;
+ ctrl_buf->large_tx_ipv6 = buf->large_tx_ipv6;
+
+ /* large_rx disabled for now, additional features needed */
+ ctrl_buf->large_rx_ipv4 = 0;
+ ctrl_buf->large_rx_ipv6 = 0;
+
+ if (adapter->state != VNIC_PROBING) {
+ old_hw_features = adapter->netdev->hw_features;
+ adapter->netdev->hw_features = 0;
+ }
+
+ adapter->netdev->hw_features = NETIF_F_SG | NETIF_F_GSO | NETIF_F_GRO;
+
+ if (buf->tcp_ipv4_chksum || buf->udp_ipv4_chksum)
+ adapter->netdev->hw_features |= NETIF_F_IP_CSUM;
+
+ if (buf->tcp_ipv6_chksum || buf->udp_ipv6_chksum)
+ adapter->netdev->hw_features |= NETIF_F_IPV6_CSUM;
+
+ if ((adapter->netdev->features &
+ (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM)))
+ adapter->netdev->hw_features |= NETIF_F_RXCSUM;
+
+ if (buf->large_tx_ipv4)
+ adapter->netdev->hw_features |= NETIF_F_TSO;
+ if (buf->large_tx_ipv6)
+ adapter->netdev->hw_features |= NETIF_F_TSO6;
+
+ if (adapter->state == VNIC_PROBING) {
+ adapter->netdev->features |= adapter->netdev->hw_features;
+ } else if (old_hw_features != adapter->netdev->hw_features) {
+ netdev_features_t tmp = 0;
+
+ /* disable features no longer supported */
+ adapter->netdev->features &= adapter->netdev->hw_features;
+ /* turn on features now supported if previously enabled */
+ tmp = (old_hw_features ^ adapter->netdev->hw_features) &
+ adapter->netdev->hw_features;
+ adapter->netdev->features |=
+ tmp & adapter->netdev->wanted_features;
+ }
+
+ memset(&crq, 0, sizeof(crq));
+ crq.control_ip_offload.first = IBMVNIC_CRQ_CMD;
+ crq.control_ip_offload.cmd = CONTROL_IP_OFFLOAD;
+ crq.control_ip_offload.len =
+ cpu_to_be32(sizeof(adapter->ip_offload_ctrl));
+ crq.control_ip_offload.ioba = cpu_to_be32(adapter->ip_offload_ctrl_tok);
+ ibmvnic_send_crq(adapter, &crq);
+}
+
static void handle_vpd_size_rsp(union ibmvnic_crq *crq,
struct ibmvnic_adapter *adapter)
{
@@ -4050,8 +4129,6 @@ static void handle_query_ip_offload_rsp(struct ibmvnic_adapter *adapter)
{
struct device *dev = &adapter->vdev->dev;
struct ibmvnic_query_ip_offload_buffer *buf = &adapter->ip_offload_buf;
- netdev_features_t old_hw_features = 0;
- union ibmvnic_crq crq;
int i;
dma_unmap_single(dev, adapter->ip_offload_tok,
@@ -4101,74 +4178,7 @@ static void handle_query_ip_offload_rsp(struct ibmvnic_adapter *adapter)
netdev_dbg(adapter->netdev, "off_ipv6_ext_hd = %d\n",
buf->off_ipv6_ext_headers);
- adapter->ip_offload_ctrl_tok =
- dma_map_single(dev, &adapter->ip_offload_ctrl,
- sizeof(adapter->ip_offload_ctrl), DMA_TO_DEVICE);
-
- if (dma_mapping_error(dev, adapter->ip_offload_ctrl_tok)) {
- dev_err(dev, "Couldn't map ip offload control buffer\n");
- return;
- }
-
- adapter->ip_offload_ctrl.len =
- cpu_to_be32(sizeof(adapter->ip_offload_ctrl));
- adapter->ip_offload_ctrl.version = cpu_to_be32(INITIAL_VERSION_IOB);
- adapter->ip_offload_ctrl.ipv4_chksum = buf->ipv4_chksum;
- adapter->ip_offload_ctrl.ipv6_chksum = buf->ipv6_chksum;
- adapter->ip_offload_ctrl.tcp_ipv4_chksum = buf->tcp_ipv4_chksum;
- adapter->ip_offload_ctrl.udp_ipv4_chksum = buf->udp_ipv4_chksum;
- adapter->ip_offload_ctrl.tcp_ipv6_chksum = buf->tcp_ipv6_chksum;
- adapter->ip_offload_ctrl.udp_ipv6_chksum = buf->udp_ipv6_chksum;
- adapter->ip_offload_ctrl.large_tx_ipv4 = buf->large_tx_ipv4;
- adapter->ip_offload_ctrl.large_tx_ipv6 = buf->large_tx_ipv6;
-
- /* large_rx disabled for now, additional features needed */
- adapter->ip_offload_ctrl.large_rx_ipv4 = 0;
- adapter->ip_offload_ctrl.large_rx_ipv6 = 0;
-
- if (adapter->state != VNIC_PROBING) {
- old_hw_features = adapter->netdev->hw_features;
- adapter->netdev->hw_features = 0;
- }
-
- adapter->netdev->hw_features = NETIF_F_SG | NETIF_F_GSO | NETIF_F_GRO;
-
- if (buf->tcp_ipv4_chksum || buf->udp_ipv4_chksum)
- adapter->netdev->hw_features |= NETIF_F_IP_CSUM;
-
- if (buf->tcp_ipv6_chksum || buf->udp_ipv6_chksum)
- adapter->netdev->hw_features |= NETIF_F_IPV6_CSUM;
-
- if ((adapter->netdev->features &
- (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM)))
- adapter->netdev->hw_features |= NETIF_F_RXCSUM;
-
- if (buf->large_tx_ipv4)
- adapter->netdev->hw_features |= NETIF_F_TSO;
- if (buf->large_tx_ipv6)
- adapter->netdev->hw_features |= NETIF_F_TSO6;
-
- if (adapter->state == VNIC_PROBING) {
- adapter->netdev->features |= adapter->netdev->hw_features;
- } else if (old_hw_features != adapter->netdev->hw_features) {
- netdev_features_t tmp = 0;
-
- /* disable features no longer supported */
- adapter->netdev->features &= adapter->netdev->hw_features;
- /* turn on features now supported if previously enabled */
- tmp = (old_hw_features ^ adapter->netdev->hw_features) &
- adapter->netdev->hw_features;
- adapter->netdev->features |=
- tmp & adapter->netdev->wanted_features;
- }
-
- memset(&crq, 0, sizeof(crq));
- crq.control_ip_offload.first = IBMVNIC_CRQ_CMD;
- crq.control_ip_offload.cmd = CONTROL_IP_OFFLOAD;
- crq.control_ip_offload.len =
- cpu_to_be32(sizeof(adapter->ip_offload_ctrl));
- crq.control_ip_offload.ioba = cpu_to_be32(adapter->ip_offload_ctrl_tok);
- ibmvnic_send_crq(adapter, &crq);
+ send_control_ip_offload(adapter);
}
static const char *ibmvnic_fw_err_cause(u16 cause)
--
2.26.2