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hyperv/hn: Constify RNDIS messages on RX path.

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MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D7542
This commit is contained in:
Sepherosa Ziehau 2016-08-18 05:44:58 +00:00
parent 83ecbf4d6a
commit 5aa07ccdd7
1 changed files with 10 additions and 9 deletions
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19
sys/dev/hyperv/netvsc/hv_rndis_filter.c
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@ -67,10 +67,11 @@ __FBSDID("$FreeBSD$");
*/
static int hv_rf_send_request(rndis_device *device, rndis_request *request,
uint32_t message_type);
static void hv_rf_receive_response(rndis_device *device, rndis_msg *response);
static void hv_rf_receive_response(rndis_device *device,
const rndis_msg *response);
static void hv_rf_receive_indicate_status(rndis_device *device,
rndis_msg *response);
static void hv_rf_receive_data(struct hn_rx_ring *rxr, rndis_msg *message,
const rndis_msg *response);
static void hv_rf_receive_data(struct hn_rx_ring *rxr, const rndis_msg *message,
netvsc_packet *pkt);
static int hv_rf_query_device(rndis_device *device, uint32_t oid,
void *result, uint32_t *result_size);
@ -295,7 +296,7 @@ sendit:
* RNDIS filter receive response
*/
static void
hv_rf_receive_response(rndis_device *device, rndis_msg *response)
hv_rf_receive_response(rndis_device *device, const rndis_msg *response)
{
rndis_request *request = NULL;
rndis_request *next_request;
@ -417,9 +418,9 @@ cleanup:
* RNDIS filter receive indicate status
*/
static void
hv_rf_receive_indicate_status(rndis_device *device, rndis_msg *response)
hv_rf_receive_indicate_status(rndis_device *device, const rndis_msg *response)
{
rndis_indicate_status *indicate = &response->msg.indicate_status;
const rndis_indicate_status *indicate = &response->msg.indicate_status;
switch(indicate->status) {
case RNDIS_STATUS_MEDIA_CONNECT:
@ -518,10 +519,10 @@ skip:
* RNDIS filter receive data
*/
static void
hv_rf_receive_data(struct hn_rx_ring *rxr, rndis_msg *message,
hv_rf_receive_data(struct hn_rx_ring *rxr, const rndis_msg *message,
netvsc_packet *pkt)
{
rndis_packet *rndis_pkt;
const rndis_packet *rndis_pkt;
uint32_t data_offset;
struct hn_recvinfo info;
@ -563,7 +564,7 @@ hv_rf_on_receive(netvsc_dev *net_dev,
struct hn_rx_ring *rxr, netvsc_packet *pkt)
{
rndis_device *rndis_dev;
rndis_msg *rndis_hdr;
const rndis_msg *rndis_hdr;
/* Make sure the rndis device state is initialized */
if (net_dev->extension == NULL) {