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BSD Sockets API: Offloading Support #4821

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Merged
merged 3 commits into from
Sep 11, 2018
Merged

BSD Sockets API: Offloading Support #4821

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80549f2
net: sockets: Add a socket offload module
Jul 18, 2017
b75b0ea
driver: wifi: simplelink: Register socket offload operations.
Jun 23, 2017
39d2ca8
samples: net: sockets: echo: enable socket offload for cc3220sf_launchxl
Oct 25, 2017
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1 change: 1 addition & 0 deletions drivers/wifi/simplelink/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -11,3 +11,4 @@ if(CONFIG_WIFI_SIMPLELINK)
simplelink.c
)
endif()
zephyr_sources_ifdef(CONFIG_NET_SOCKETS_OFFLOAD simplelink_sockets.c)
48 changes: 34 additions & 14 deletions drivers/wifi/simplelink/simplelink.c
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Original file line number Diff line number Diff line change
Expand Up @@ -14,9 +14,13 @@
#include <net/net_if.h>
#include <net/wifi_mgmt.h>
#include <net/net_offload.h>
#ifdef CONFIG_NET_SOCKETS_OFFLOAD
#include <net/socket_offload.h>
#endif

#include <ti/drivers/net/wifi/wlan.h>
#include "simplelink_support.h"
#include "simplelink_sockets.h"

#define SCAN_RETRY_DELAY 2000 /* ms */

Expand Down Expand Up @@ -73,19 +77,6 @@ static void simplelink_wifi_cb(u32_t event, struct sl_connect_state *conn)
}
}

/* TBD: Only here to link/test WiFi mgmnt part */
static struct net_offload simplelink_offload = {
.get = NULL,
.bind = NULL,
.listen = NULL,
.connect = NULL,
.accept = NULL,
.send = NULL,
.sendto = NULL,
.recv = NULL,
.put = NULL,
};

static void simplelink_scan_work_handler(struct k_work *work)
{
if (simplelink_data.num_results_or_err > 0) {
Expand Down Expand Up @@ -183,6 +174,30 @@ static int simplelink_mgmt_disconnect(struct device *dev)
return ret ? -EIO : ret;
}

static int simplelink_dummy_get(sa_family_t family,
enum net_sock_type type,
enum net_ip_protocol ip_proto,
struct net_context **context)
{

SYS_LOG_ERR("NET_SOCKET_OFFLOAD must be configured for this driver");

return -1;
}

/* Placeholders, until Zepyr IP stack updated to handle a NULL net_offload */
static struct net_offload simplelink_offload = {
.get = simplelink_dummy_get,
.bind = NULL,
.listen = NULL,
.connect = NULL,
.accept = NULL,
.send = NULL,
.sendto = NULL,
.recv = NULL,
.put = NULL,
};

static void simplelink_iface_init(struct net_if *iface)
{
SYS_LOG_DBG("MAC Address %02X:%02X:%02X:%02X:%02X:%02X",
Expand All @@ -195,7 +210,7 @@ static void simplelink_iface_init(struct net_if *iface)
sizeof(simplelink_data.mac),
NET_LINK_ETHERNET);

/* TBD: Pending support for socket offload: */
/* Direct socket offload used instead of net offload for this driver */
iface->if_dev->offload = &simplelink_offload;

simplelink_data.iface = iface;
Expand Down Expand Up @@ -228,6 +243,11 @@ static int simplelink_init(struct device *dev)
k_delayed_work_init(&simplelink_data.work,
simplelink_scan_work_handler);

#ifdef CONFIG_NET_SOCKETS_OFFLOAD
/* Direct socket offload: */
socket_offload_register(&simplelink_ops);
#endif

SYS_LOG_DBG("SimpleLink driver Initialized");

return 0;
Expand Down
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