Add ARP offload support. Firmware is capable of responding to ARP requests
for a single ipv4 address only.
Signed-off-by: Bryan O'Donoghue <[email protected]>
---
drivers/net/wireless/ath/wcn36xx/hal.h | 10 +++----
drivers/net/wireless/ath/wcn36xx/main.c | 5 +++-
drivers/net/wireless/ath/wcn36xx/smd.c | 38 +++++++++++++++++++++++++
drivers/net/wireless/ath/wcn36xx/smd.h | 4 +++
4 files changed, 51 insertions(+), 6 deletions(-)
diff --git a/drivers/net/wireless/ath/wcn36xx/hal.h b/drivers/net/wireless/ath/wcn36xx/hal.h
index 65ef893f2736..b56c8292fa62 100644
--- a/drivers/net/wireless/ath/wcn36xx/hal.h
+++ b/drivers/net/wireless/ath/wcn36xx/hal.h
@@ -3465,7 +3465,7 @@ struct wcn36xx_hal_rem_bcn_filter_req {
#define WCN36XX_HAL_OFFLOAD_ENABLE 1
#define WCN36XX_HAL_OFFLOAD_BCAST_FILTER_ENABLE 0x2
#define WCN36XX_HAL_OFFLOAD_ARP_AND_BCAST_FILTER_ENABLE \
- (HAL_OFFLOAD_ENABLE|HAL_OFFLOAD_BCAST_FILTER_ENABLE)
+ (WCN36XX_HAL_OFFLOAD_ENABLE | WCN36XX_HAL_OFFLOAD_BCAST_FILTER_ENABLE)
struct wcn36xx_hal_ns_offload_params {
u8 src_ipv6_addr[WCN36XX_HAL_IPV6_ADDR_LEN];
@@ -3487,10 +3487,10 @@ struct wcn36xx_hal_ns_offload_params {
/* slot index for this offload */
u32 slot_index;
u8 bss_index;
-};
+} __packed;
struct wcn36xx_hal_host_offload_req {
- u8 offload_Type;
+ u8 offload_type;
/* enable or disable */
u8 enable;
@@ -3499,13 +3499,13 @@ struct wcn36xx_hal_host_offload_req {
u8 host_ipv4_addr[4];
u8 host_ipv6_addr[WCN36XX_HAL_IPV6_ADDR_LEN];
} u;
-};
+} __packed;
struct wcn36xx_hal_host_offload_req_msg {
struct wcn36xx_hal_msg_header header;
struct wcn36xx_hal_host_offload_req host_offload_params;
struct wcn36xx_hal_ns_offload_params ns_offload_params;
-};
+} __packed;
/* Packet Types. */
#define WCN36XX_HAL_KEEP_ALIVE_NULL_PKT 1
diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c
index c0c1ea18864f..f95103706100 100644
--- a/drivers/net/wireless/ath/wcn36xx/main.c
+++ b/drivers/net/wireless/ath/wcn36xx/main.c
@@ -1117,11 +1117,13 @@ static int wcn36xx_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wow)
vif_priv = wcn36xx_vif_to_priv(vif);
if (!vif_priv->sta_assoc)
goto out;
+ ret = wcn36xx_smd_arp_offload(wcn, vif, true);
+ if (ret)
+ goto out;
ret = wcn36xx_smd_set_power_params(wcn, true);
}
out:
mutex_unlock(&wcn->conf_mutex);
-
return ret;
}
@@ -1142,6 +1144,7 @@ static int wcn36xx_resume(struct ieee80211_hw *hw)
goto out;
wcn36xx_smd_set_power_params(wcn, false);
+ wcn36xx_smd_arp_offload(wcn, vif, false);
}
out:
mutex_unlock(&wcn->conf_mutex);
diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c
index d0c3a1557e8d..478e363610e1 100644
--- a/drivers/net/wireless/ath/wcn36xx/smd.c
+++ b/drivers/net/wireless/ath/wcn36xx/smd.c
@@ -2756,6 +2756,43 @@ int wcn36xx_smd_set_mc_list(struct wcn36xx *wcn,
return ret;
}
+int wcn36xx_smd_arp_offload(struct wcn36xx *wcn, struct ieee80211_vif *vif,
+ bool enable)
+{
+ struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
+ struct wcn36xx_hal_host_offload_req_msg msg_body;
+ int ret;
+
+ mutex_lock(&wcn->hal_mutex);
+
+ INIT_HAL_MSG(msg_body, WCN36XX_HAL_HOST_OFFLOAD_REQ);
+ msg_body.host_offload_params.offload_type =
+ WCN36XX_HAL_IPV4_ARP_REPLY_OFFLOAD;
+ if (enable) {
+ msg_body.host_offload_params.enable =
+ WCN36XX_HAL_OFFLOAD_ARP_AND_BCAST_FILTER_ENABLE;
+ memcpy(&msg_body.host_offload_params.u,
+ &vif->bss_conf.arp_addr_list[0], sizeof(__be32));
+ }
+ msg_body.ns_offload_params.bss_index = vif_priv->bss_index;
+
+ PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
+
+ ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
+ if (ret) {
+ wcn36xx_err("Sending host_offload_arp failed\n");
+ goto out;
+ }
+ ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
+ if (ret) {
+ wcn36xx_err("host_offload_arp failed err=%d\n", ret);
+ goto out;
+ }
+out:
+ mutex_unlock(&wcn->hal_mutex);
+ return ret;
+}
+
int wcn36xx_smd_rsp_process(struct rpmsg_device *rpdev,
void *buf, int len, void *priv, u32 addr)
{
@@ -2804,6 +2841,7 @@ int wcn36xx_smd_rsp_process(struct rpmsg_device *rpdev,
case WCN36XX_HAL_8023_MULTICAST_LIST_RSP:
case WCN36XX_HAL_START_SCAN_OFFLOAD_RSP:
case WCN36XX_HAL_STOP_SCAN_OFFLOAD_RSP:
+ case WCN36XX_HAL_HOST_OFFLOAD_RSP:
memcpy(wcn->hal_buf, buf, len);
wcn->hal_rsp_len = len;
complete(&wcn->hal_rsp_compl);
diff --git a/drivers/net/wireless/ath/wcn36xx/smd.h b/drivers/net/wireless/ath/wcn36xx/smd.h
index 462860572e1f..6492a628ea6a 100644
--- a/drivers/net/wireless/ath/wcn36xx/smd.h
+++ b/drivers/net/wireless/ath/wcn36xx/smd.h
@@ -146,4 +146,8 @@ int wcn36xx_smd_rsp_process(struct rpmsg_device *rpdev,
int wcn36xx_smd_set_mc_list(struct wcn36xx *wcn,
struct ieee80211_vif *vif,
struct wcn36xx_hal_rcv_flt_mc_addr_list_type *fp);
+
+int wcn36xx_smd_arp_offload(struct wcn36xx *wcn, struct ieee80211_vif *vif,
+ bool enable);
+
#endif /* _SMD_H_ */
--
2.30.1