Add macsec_qca driver wrapper

This is based on driver_wired.c and provides driver interface for the
QCA MACsec driver.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>

src/drivers/driver_macsec_qca.c

@@ -0,0 +1,887 @@
+/*
+ * Wired Ethernet driver interface for QCA MACsec driver
+ * Copyright (c) 2005-2009, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2004, Gunter Burchardt <tira@isx.de>
+ * Copyright (c) 2013-2014, Qualcomm Atheros, Inc.
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "includes.h"
+#include <sys/ioctl.h>
+#include <net/if.h>
+#ifdef __linux__
+#include <netpacket/packet.h>
+#include <net/if_arp.h>
+#include <net/if.h>
+#endif /* __linux__ */
+#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
+#include <net/if_dl.h>
+#include <net/if_media.h>
+#endif /* defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__) */
+#ifdef __sun__
+#include <sys/sockio.h>
+#endif /* __sun__ */
+
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "common/defs.h"
+#include "common/ieee802_1x_defs.h"
+#include "driver.h"
+
+#include "nss_macsec_secy.h"
+#include "nss_macsec_secy_rx.h"
+#include "nss_macsec_secy_tx.h"
+
+#define MAXSC 16
+
+/* TCI field definition */
+#define TCI_ES                0x40
+#define TCI_SC                0x20
+#define TCI_SCB               0x10
+#define TCI_E                 0x08
+#define TCI_C                 0x04
+
+#ifdef _MSC_VER
+#pragma pack(push, 1)
+#endif /* _MSC_VER */
+
+#ifdef _MSC_VER
+#pragma pack(pop)
+#endif /* _MSC_VER */
+
+static const u8 pae_group_addr[ETH_ALEN] =
+{ 0x01, 0x80, 0xc2, 0x00, 0x00, 0x03 };
+
+struct macsec_qca_data {
+	char ifname[IFNAMSIZ + 1];
+	u32 secy_id;
+	void *ctx;
+
+	int sock; /* raw packet socket for driver access */
+	int pf_sock;
+	int membership, multi, iff_allmulti, iff_up;
+
+	/* shadow */
+	Boolean always_include_sci;
+	Boolean use_es;
+	Boolean use_scb;
+	Boolean protect_frames;
+	Boolean replay_protect;
+	u32 replay_window;
+};
+
+
+static int macsec_qca_multicast_membership(int sock, int ifindex,
+					   const u8 *addr, int add)
+{
+#ifdef __linux__
+	struct packet_mreq mreq;
+
+	if (sock < 0)
+		return -1;
+
+	os_memset(&mreq, 0, sizeof(mreq));
+	mreq.mr_ifindex = ifindex;
+	mreq.mr_type = PACKET_MR_MULTICAST;
+	mreq.mr_alen = ETH_ALEN;
+	os_memcpy(mreq.mr_address, addr, ETH_ALEN);
+
+	if (setsockopt(sock, SOL_PACKET,
+		       add ? PACKET_ADD_MEMBERSHIP : PACKET_DROP_MEMBERSHIP,
+		       &mreq, sizeof(mreq)) < 0) {
+		perror("setsockopt");
+		return -1;
+	}
+	return 0;
+#else /* __linux__ */
+	return -1;
+#endif /* __linux__ */
+}
+
+
+static int macsec_qca_get_ssid(void *priv, u8 *ssid)
+{
+	ssid[0] = 0;
+	return 0;
+}
+
+
+static int macsec_qca_get_bssid(void *priv, u8 *bssid)
+{
+	/* Report PAE group address as the "BSSID" for macsec connection. */
+	os_memcpy(bssid, pae_group_addr, ETH_ALEN);
+	return 0;
+}
+
+
+static int macsec_qca_get_capa(void *priv, struct wpa_driver_capa *capa)
+{
+	os_memset(capa, 0, sizeof(*capa));
+	capa->flags = WPA_DRIVER_FLAGS_WIRED;
+	return 0;
+}
+
+
+static int macsec_qca_get_ifflags(const char *ifname, int *flags)
+{
+	struct ifreq ifr;
+	int s;
+
+	s = socket(PF_INET, SOCK_DGRAM, 0);
+	if (s < 0) {
+		perror("socket");
+		return -1;
+	}
+
+	os_memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
+	if (ioctl(s, SIOCGIFFLAGS, (caddr_t) &ifr) < 0) {
+		perror("ioctl[SIOCGIFFLAGS]");
+		close(s);
+		return -1;
+	}
+	close(s);
+	*flags = ifr.ifr_flags & 0xffff;
+	return 0;
+}
+
+
+static int macsec_qca_set_ifflags(const char *ifname, int flags)
+{
+	struct ifreq ifr;
+	int s;
+
+	s = socket(PF_INET, SOCK_DGRAM, 0);
+	if (s < 0) {
+		perror("socket");
+		return -1;
+	}
+
+	os_memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
+	ifr.ifr_flags = flags & 0xffff;
+	if (ioctl(s, SIOCSIFFLAGS, (caddr_t) &ifr) < 0) {
+		perror("ioctl[SIOCSIFFLAGS]");
+		close(s);
+		return -1;
+	}
+	close(s);
+	return 0;
+}
+
+
+#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
+static int macsec_qca_get_ifstatus(const char *ifname, int *status)
+{
+	struct ifmediareq ifmr;
+	int s;
+
+	s = socket(PF_INET, SOCK_DGRAM, 0);
+	if (s < 0) {
+		perror("socket");
+		return -1;
+	}
+
+	os_memset(&ifmr, 0, sizeof(ifmr));
+	os_strlcpy(ifmr.ifm_name, ifname, IFNAMSIZ);
+	if (ioctl(s, SIOCGIFMEDIA, (caddr_t) &ifmr) < 0) {
+		perror("ioctl[SIOCGIFMEDIA]");
+		close(s);
+		return -1;
+	}
+	close(s);
+	*status = (ifmr.ifm_status & (IFM_ACTIVE | IFM_AVALID)) ==
+		(IFM_ACTIVE | IFM_AVALID);
+
+	return 0;
+}
+#endif /* defined(__FreeBSD__) || defined(__DragonFly__) || defined(FreeBSD_kernel__) */
+
+
+static int macsec_qca_multi(const char *ifname, const u8 *addr, int add)
+{
+	struct ifreq ifr;
+	int s;
+
+#ifdef __sun__
+	return -1;
+#endif /* __sun__ */
+
+	s = socket(PF_INET, SOCK_DGRAM, 0);
+	if (s < 0) {
+		perror("socket");
+		return -1;
+	}
+
+	os_memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
+#ifdef __linux__
+	ifr.ifr_hwaddr.sa_family = AF_UNSPEC;
+	os_memcpy(ifr.ifr_hwaddr.sa_data, addr, ETH_ALEN);
+#endif /* __linux__ */
+#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
+	{
+		struct sockaddr_dl *dlp;
+		dlp = (struct sockaddr_dl *) &ifr.ifr_addr;
+		dlp->sdl_len = sizeof(struct sockaddr_dl);
+		dlp->sdl_family = AF_LINK;
+		dlp->sdl_index = 0;
+		dlp->sdl_nlen = 0;
+		dlp->sdl_alen = ETH_ALEN;
+		dlp->sdl_slen = 0;
+		os_memcpy(LLADDR(dlp), addr, ETH_ALEN);
+	}
+#endif /* defined(__FreeBSD__) || defined(__DragonFly__) || defined(FreeBSD_kernel__) */
+#if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
+	{
+		struct sockaddr *sap;
+		sap = (struct sockaddr *) &ifr.ifr_addr;
+		sap->sa_len = sizeof(struct sockaddr);
+		sap->sa_family = AF_UNSPEC;
+		os_memcpy(sap->sa_data, addr, ETH_ALEN);
+	}
+#endif /* defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__) */
+
+	if (ioctl(s, add ? SIOCADDMULTI : SIOCDELMULTI, (caddr_t) &ifr) < 0) {
+		perror("ioctl[SIOC{ADD/DEL}MULTI]");
+		close(s);
+		return -1;
+	}
+	close(s);
+	return 0;
+}
+
+
+static void __macsec_drv_init(struct macsec_qca_data *drv)
+{
+	int ret = 0;
+	fal_rx_ctl_filt_t rx_ctl_filt;
+	fal_tx_ctl_filt_t tx_ctl_filt;
+
+	wpa_printf(MSG_INFO, "%s: secy_id=%d", __func__, drv->secy_id);
+
+	/* Enable Secy and Let EAPoL bypass */
+	ret = nss_macsec_secy_en_set(drv->secy_id, TRUE);
+	if (ret)
+		wpa_printf(MSG_ERROR, "nss_macsec_secy_en_set: FAIL");
+
+	ret = nss_macsec_secy_sc_sa_mapping_mode_set(drv->secy_id,
+						     FAL_SC_SA_MAP_1_4);
+	if (ret)
+		wpa_printf(MSG_ERROR,
+			   "nss_macsec_secy_sc_sa_mapping_mode_set: FAIL");
+
+	os_memset(&rx_ctl_filt, 0, sizeof(rx_ctl_filt));
+	rx_ctl_filt.bypass = 1;
+	rx_ctl_filt.match_type = IG_CTL_COMPARE_ETHER_TYPE;
+	rx_ctl_filt.match_mask = 0xffff;
+	rx_ctl_filt.ether_type_da_range = 0x888e;
+	ret = nss_macsec_secy_rx_ctl_filt_set(drv->secy_id, 0, &rx_ctl_filt);
+	if (ret)
+		wpa_printf(MSG_ERROR, "nss_macsec_secy_rx_ctl_filt_set: FAIL");
+
+	os_memset(&tx_ctl_filt, 0, sizeof(tx_ctl_filt));
+	tx_ctl_filt.bypass = 1;
+	tx_ctl_filt.match_type = EG_CTL_COMPARE_ETHER_TYPE;
+	tx_ctl_filt.match_mask = 0xffff;
+	tx_ctl_filt.ether_type_da_range = 0x888e;
+	ret = nss_macsec_secy_tx_ctl_filt_set(drv->secy_id, 0, &tx_ctl_filt);
+	if (ret)
+		wpa_printf(MSG_ERROR, "nss_macsec_secy_tx_ctl_filt_set: FAIL");
+}
+
+
+static void __macsec_drv_deinit(struct macsec_qca_data *drv)
+{
+	nss_macsec_secy_en_set(drv->secy_id, FALSE);
+	nss_macsec_secy_rx_sc_del_all(drv->secy_id);
+	nss_macsec_secy_tx_sc_del_all(drv->secy_id);
+}
+
+
+static void * macsec_qca_init(void *ctx, const char *ifname)
+{
+	struct macsec_qca_data *drv;
+	int flags;
+
+	drv = os_zalloc(sizeof(*drv));
+	if (drv == NULL)
+		return NULL;
+	os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
+	drv->ctx = ctx;
+
+	/* Board specific settings */
+	if (os_memcmp("eth2", drv->ifname, 4) == 0)
+		drv->secy_id = 1;
+	else if (os_memcmp("eth3", drv->ifname, 4) == 0)
+		drv->secy_id = 2;
+	else
+		drv->secy_id = -1;
+
+#ifdef __linux__
+	drv->pf_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
+	if (drv->pf_sock < 0)
+		perror("socket(PF_PACKET)");
+#else /* __linux__ */
+	drv->pf_sock = -1;
+#endif /* __linux__ */
+
+	if (macsec_qca_get_ifflags(ifname, &flags) == 0 &&
+	    !(flags & IFF_UP) &&
+	    macsec_qca_set_ifflags(ifname, flags | IFF_UP) == 0) {
+		drv->iff_up = 1;
+	}
+
+	if (macsec_qca_multicast_membership(drv->pf_sock,
+					    if_nametoindex(drv->ifname),
+					    pae_group_addr, 1) == 0) {
+		wpa_printf(MSG_DEBUG,
+			   "%s: Added multicast membership with packet socket",
+			   __func__);
+		drv->membership = 1;
+	} else if (macsec_qca_multi(ifname, pae_group_addr, 1) == 0) {
+		wpa_printf(MSG_DEBUG,
+			   "%s: Added multicast membership with SIOCADDMULTI",
+			   __func__);
+		drv->multi = 1;
+	} else if (macsec_qca_get_ifflags(ifname, &flags) < 0) {
+		wpa_printf(MSG_INFO, "%s: Could not get interface flags",
+			   __func__);
+		os_free(drv);
+		return NULL;
+	} else if (flags & IFF_ALLMULTI) {
+		wpa_printf(MSG_DEBUG,
+			   "%s: Interface is already configured for multicast",
+			   __func__);
+	} else if (macsec_qca_set_ifflags(ifname, flags | IFF_ALLMULTI) < 0) {
+		wpa_printf(MSG_INFO, "%s: Failed to enable allmulti",
+			   __func__);
+		os_free(drv);
+		return NULL;
+	} else {
+		wpa_printf(MSG_DEBUG, "%s: Enabled allmulti mode", __func__);
+		drv->iff_allmulti = 1;
+	}
+#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
+	{
+		int status;
+		wpa_printf(MSG_DEBUG, "%s: waiting for link to become active",
+			   __func__);
+		while (macsec_qca_get_ifstatus(ifname, &status) == 0 &&
+		       status == 0)
+			sleep(1);
+	}
+#endif /* defined(__FreeBSD__) || defined(__DragonFly__) || defined(FreeBSD_kernel__) */
+
+	return drv;
+}
+
+
+static void macsec_qca_deinit(void *priv)
+{
+	struct macsec_qca_data *drv = priv;
+	int flags;
+
+	if (drv->membership &&
+	    macsec_qca_multicast_membership(drv->pf_sock,
+					    if_nametoindex(drv->ifname),
+					    pae_group_addr, 0) < 0) {
+		wpa_printf(MSG_DEBUG,
+			   "%s: Failed to remove PAE multicast group (PACKET)",
+			   __func__);
+	}
+
+	if (drv->multi &&
+	    macsec_qca_multi(drv->ifname, pae_group_addr, 0) < 0) {
+		wpa_printf(MSG_DEBUG,
+			   "%s: Failed to remove PAE multicast group (SIOCDELMULTI)",
+			   __func__);
+	}
+
+	if (drv->iff_allmulti &&
+	    (macsec_qca_get_ifflags(drv->ifname, &flags) < 0 ||
+	     macsec_qca_set_ifflags(drv->ifname, flags & ~IFF_ALLMULTI) < 0)) {
+		wpa_printf(MSG_DEBUG, "%s: Failed to disable allmulti mode",
+			   __func__);
+	}
+
+	if (drv->iff_up &&
+	    macsec_qca_get_ifflags(drv->ifname, &flags) == 0 &&
+	    (flags & IFF_UP) &&
+	    macsec_qca_set_ifflags(drv->ifname, flags & ~IFF_UP) < 0) {
+		wpa_printf(MSG_DEBUG, "%s: Failed to set the interface down",
+			   __func__);
+	}
+
+	if (drv->pf_sock != -1)
+		close(drv->pf_sock);
+
+	os_free(drv);
+}
+
+
+static int macsec_qca_macsec_init(void *priv, struct macsec_init_params *params)
+{
+	struct macsec_qca_data *drv = priv;
+
+	drv->always_include_sci = params->always_include_sci;
+	drv->use_es = params->use_es;
+	drv->use_scb = params->use_scb;
+
+	wpa_printf(MSG_DEBUG, "%s: es=%d, scb=%d, sci=%d",
+		   __func__, drv->use_es, drv->use_scb,
+		   drv->always_include_sci);
+
+	__macsec_drv_init(drv);
+
+	return 0;
+}
+
+
+static int macsec_qca_macsec_deinit(void *priv)
+{
+	struct macsec_qca_data *drv = priv;
+
+	wpa_printf(MSG_DEBUG, "%s", __func__);
+
+	__macsec_drv_deinit(drv);
+
+	return 0;
+}
+
+
+static int macsec_qca_enable_protect_frames(void *priv, Boolean enabled)
+{
+	struct macsec_qca_data *drv = priv;
+	int ret = 0;
+
+	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
+
+	drv->protect_frames = enabled;
+
+	return ret;
+}
+
+
+static int macsec_qca_set_replay_protect(void *priv, Boolean enabled,
+					 unsigned int window)
+{
+	struct macsec_qca_data *drv = priv;
+	int ret = 0;
+
+	wpa_printf(MSG_DEBUG, "%s: enabled=%d, win=%u",
+		   __func__, enabled, window);
+
+	drv->replay_protect = enabled;
+	drv->replay_window = window;
+
+	return ret;
+}
+
+
+static int macsec_qca_set_current_cipher_suite(void *priv, const u8 *cs,
+					       size_t cs_len)
+{
+	u8 default_cs_id[] = CS_ID_GCM_AES_128;
+
+	if (cs_len != CS_ID_LEN ||
+	    os_memcmp(cs, default_cs_id, cs_len) != 0) {
+		wpa_hexdump(MSG_ERROR, "macsec: NOT supported CipherSuite",
+			    cs, cs_len);
+		return -1;
+	}
+
+	/* Support default Cipher Suite 0080020001000001 (GCM-AES-128) */
+	wpa_printf(MSG_DEBUG, "%s: default support aes-gcm-128", __func__);
+
+	return 0;
+}
+
+
+static int macsec_qca_enable_controlled_port(void *priv, Boolean enabled)
+{
+	struct macsec_qca_data *drv = priv;
+	int ret = 0;
+
+	wpa_printf(MSG_DEBUG, "%s: enable=%d", __func__, enabled);
+
+	ret += nss_macsec_secy_controlled_port_en_set(drv->secy_id, enabled);
+
+	return ret;
+}
+
+
+static int macsec_qca_get_receive_lowest_pn(void *priv, u32 channel, u8 an,
+					    u32 *lowest_pn)
+{
+	struct macsec_qca_data *drv = priv;
+	int ret = 0;
+	u32 next_pn = 0;
+	bool enabled = FALSE;
+	u32 win;
+
+	ret += nss_macsec_secy_rx_sa_next_pn_get(drv->secy_id, channel, an,
+						 &next_pn);
+	ret += nss_macsec_secy_rx_sc_replay_protect_get(drv->secy_id, channel,
+							&enabled);
+	ret += nss_macsec_secy_rx_sc_anti_replay_window_get(drv->secy_id,
+							    channel, &win);
+
+	if (enabled)
+		*lowest_pn = (next_pn > win) ? (next_pn - win) : 1;
+	else
+		*lowest_pn = next_pn;
+
+	wpa_printf(MSG_DEBUG, "%s: lpn=0x%x", __func__, *lowest_pn);
+
+	return ret;
+}
+
+
+static int macsec_qca_get_transmit_next_pn(void *priv, u32 channel, u8 an,
+					   u32 *next_pn)
+{
+	struct macsec_qca_data *drv = priv;
+	int ret = 0;
+
+	ret += nss_macsec_secy_tx_sa_next_pn_get(drv->secy_id, channel, an,
+						 next_pn);
+
+	wpa_printf(MSG_DEBUG, "%s: npn=0x%x", __func__, *next_pn);
+
+	return ret;
+}
+
+
+int macsec_qca_set_transmit_next_pn(void *priv, u32 channel, u8 an, u32 next_pn)
+{
+	struct macsec_qca_data *drv = priv;
+	int ret = 0;
+
+	ret += nss_macsec_secy_tx_sa_next_pn_set(drv->secy_id, channel, an,
+						 next_pn);
+
+	wpa_printf(MSG_INFO, "%s: npn=0x%x", __func__, next_pn);
+
+	return ret;
+}
+
+
+static int macsec_qca_get_available_receive_sc(void *priv, u32 *channel)
+{
+	struct macsec_qca_data *drv = priv;
+	int ret = 0;
+	u32 sc_ch = 0;
+	bool in_use = FALSE;
+
+	for (sc_ch = 0; sc_ch < MAXSC; sc_ch++) {
+		ret = nss_macsec_secy_rx_sc_in_used_get(drv->secy_id, sc_ch,
+							&in_use);
+		if (ret)
+			continue;
+
+		if (!in_use) {
+			*channel = sc_ch;
+			wpa_printf(MSG_DEBUG, "%s: channel=%d",
+				   __func__, *channel);
+			return 0;
+		}
+	}
+
+	wpa_printf(MSG_DEBUG, "%s: no available channel", __func__);
+
+	return -1;
+}
+
+
+static int macsec_qca_create_receive_sc(void *priv, u32 channel,
+					const u8 *sci_addr, u16 sci_port,
+					unsigned int conf_offset,
+					int validation)
+{
+	struct macsec_qca_data *drv = priv;
+	int ret = 0;
+	fal_rx_prc_lut_t entry;
+	fal_rx_sc_validate_frame_e vf;
+	enum validate_frames validate_frames = validation;
+
+	wpa_printf(MSG_DEBUG, "%s: channel=%d", __func__, channel);
+
+	/* rx prc lut */
+	os_memset(&entry, 0, sizeof(entry));
+
+	os_memcpy(entry.sci, sci_addr, ETH_ALEN);
+	entry.sci[6] = (sci_port >> 8) & 0xf;
+	entry.sci[7] = sci_port & 0xf;
+	entry.sci_mask = 0xf;
+
+	entry.valid = 1;
+	entry.channel = channel;
+	entry.action = FAL_RX_PRC_ACTION_PROCESS;
+	entry.offset = conf_offset;
+
+	/* rx validate frame  */
+	if (validate_frames == Strict)
+		vf = FAL_RX_SC_VALIDATE_FRAME_STRICT;
+	else if (validate_frames == Checked)
+		vf = FAL_RX_SC_VALIDATE_FRAME_CHECK;
+	else
+		vf = FAL_RX_SC_VALIDATE_FRAME_DISABLED;
+
+	ret += nss_macsec_secy_rx_prc_lut_set(drv->secy_id, channel, &entry);
+	ret += nss_macsec_secy_rx_sc_create(drv->secy_id, channel);
+	ret += nss_macsec_secy_rx_sc_validate_frame_set(drv->secy_id, channel,
+							vf);
+	ret += nss_macsec_secy_rx_sc_replay_protect_set(drv->secy_id, channel,
+							drv->replay_protect);
+	ret += nss_macsec_secy_rx_sc_anti_replay_window_set(drv->secy_id,
+							    channel,
+							    drv->replay_window);
+
+	return ret;
+}
+
+
+static int macsec_qca_delete_receive_sc(void *priv, u32 channel)
+{
+	struct macsec_qca_data *drv = priv;
+	int ret = 0;
+	fal_rx_prc_lut_t entry;
+
+	wpa_printf(MSG_DEBUG, "%s: channel=%d", __func__, channel);
+
+	/* rx prc lut */
+	os_memset(&entry, 0, sizeof(entry));
+
+	ret += nss_macsec_secy_rx_sc_del(drv->secy_id, channel);
+	ret += nss_macsec_secy_rx_prc_lut_set(drv->secy_id, channel, &entry);
+
+	return ret;
+}
+
+
+static int macsec_qca_create_receive_sa(void *priv, u32 channel, u8 an,
+					u32 lowest_pn, const u8 *sak)
+{
+	struct macsec_qca_data *drv = priv;
+	int ret = 0;
+	fal_rx_sak_t rx_sak;
+	int i = 0;
+
+	wpa_printf(MSG_DEBUG, "%s, channel=%d, an=%d, lpn=0x%x",
+		   __func__, channel, an, lowest_pn);
+
+	os_memset(&rx_sak, 0, sizeof(rx_sak));
+	for (i = 0; i < 16; i++)
+		rx_sak.sak[i] = sak[15 - i];
+
+	ret += nss_macsec_secy_rx_sa_create(drv->secy_id, channel, an);
+	ret += nss_macsec_secy_rx_sak_set(drv->secy_id, channel, an, &rx_sak);
+
+	return ret;
+}
+
+
+static int macsec_qca_enable_receive_sa(void *priv, u32 channel, u8 an)
+{
+	struct macsec_qca_data *drv = priv;
+	int ret = 0;
+
+	wpa_printf(MSG_DEBUG, "%s: channel=%d, an=%d", __func__, channel, an);
+
+	ret += nss_macsec_secy_rx_sa_en_set(drv->secy_id, channel, an, TRUE);
+
+	return ret;
+}
+
+
+static int macsec_qca_disable_receive_sa(void *priv, u32 channel, u8 an)
+{
+	struct macsec_qca_data *drv = priv;
+	int ret = 0;
+
+	wpa_printf(MSG_DEBUG, "%s: channel=%d, an=%d", __func__, channel, an);
+
+	ret += nss_macsec_secy_rx_sa_en_set(drv->secy_id, channel, an, FALSE);
+
+	return ret;
+}
+
+
+static int macsec_qca_get_available_transmit_sc(void *priv, u32 *channel)
+{
+	struct macsec_qca_data *drv = priv;
+	int ret = 0;
+	u32 sc_ch = 0;
+	bool in_use = FALSE;
+
+	for (sc_ch = 0; sc_ch < MAXSC; sc_ch++) {
+		ret = nss_macsec_secy_tx_sc_in_used_get(drv->secy_id, sc_ch,
+							&in_use);
+		if (ret)
+			continue;
+
+		if (!in_use) {
+			*channel = sc_ch;
+			wpa_printf(MSG_DEBUG, "%s: channel=%d",
+				   __func__, *channel);
+			return 0;
+		}
+	}
+
+	wpa_printf(MSG_DEBUG, "%s: no avaiable channel", __func__);
+
+	return -1;
+}
+
+
+static int macsec_qca_create_transmit_sc(void *priv, u32 channel,
+					 const u8 *sci_addr, u16 sci_port,
+					 unsigned int conf_offset)
+{
+	struct macsec_qca_data *drv = priv;
+	int ret = 0;
+	fal_tx_class_lut_t entry;
+	u8 psci[ETH_ALEN + 2];
+
+	wpa_printf(MSG_DEBUG, "%s: channel=%d", __func__, channel);
+
+	/* class lut */
+	os_memset(&entry, 0, sizeof(entry));
+
+	entry.valid = 1;
+	entry.action = FAL_TX_CLASS_ACTION_FORWARD;
+	entry.channel = channel;
+
+	os_memcpy(psci, sci_addr, ETH_ALEN);
+	psci[6] = (sci_port >> 8) & 0xf;
+	psci[7] = sci_port & 0xf;
+
+	ret += nss_macsec_secy_tx_class_lut_set(drv->secy_id, channel, &entry);
+	ret += nss_macsec_secy_tx_sc_create(drv->secy_id, channel, psci, 8);
+	ret += nss_macsec_secy_tx_sc_protect_set(drv->secy_id, channel,
+						 drv->protect_frames);
+	ret += nss_macsec_secy_tx_sc_confidentiality_offset_set(drv->secy_id,
+								channel,
+								conf_offset);
+
+	return ret;
+}
+
+
+static int macsec_qca_delete_transmit_sc(void *priv, u32 channel)
+{
+	struct macsec_qca_data *drv = priv;
+	int ret = 0;
+	fal_tx_class_lut_t entry;
+
+	wpa_printf(MSG_DEBUG, "%s: channel=%d", __func__, channel);
+
+	/* class lut */
+	os_memset(&entry, 0, sizeof(entry));
+
+	ret += nss_macsec_secy_tx_class_lut_set(drv->secy_id, channel, &entry);
+	ret += nss_macsec_secy_tx_sc_del(drv->secy_id, channel);
+
+	return ret;
+}
+
+
+static int macsec_qca_create_transmit_sa(void *priv, u32 channel, u8 an,
+					 u32 next_pn, Boolean confidentiality,
+					 const u8 *sak)
+{
+	struct macsec_qca_data *drv = priv;
+	int ret = 0;
+	u8 tci = 0;
+	fal_tx_sak_t tx_sak;
+	int i;
+
+	wpa_printf(MSG_DEBUG,
+		   "%s: channel=%d, an=%d, next_pn=0x%x, confidentiality=%d",
+		   __func__, channel, an, next_pn, confidentiality);
+
+	if (drv->always_include_sci)
+		tci |= TCI_SC;
+	else if (drv->use_es)
+		tci |= TCI_ES;
+	else if (drv->use_scb)
+		tci |= TCI_SCB;
+
+	if (confidentiality)
+		tci |= TCI_E | TCI_C;
+
+	os_memset(&tx_sak, 0, sizeof(tx_sak));
+	for (i = 0; i < 16; i++)
+		tx_sak.sak[i] = sak[15 - i];
+
+	ret += nss_macsec_secy_tx_sa_next_pn_set(drv->secy_id, channel, an,
+						 next_pn);
+	ret += nss_macsec_secy_tx_sak_set(drv->secy_id, channel, an, &tx_sak);
+	ret += nss_macsec_secy_tx_sc_tci_7_2_set(drv->secy_id, channel,
+						 (tci >> 2));
+	ret += nss_macsec_secy_tx_sc_an_set(drv->secy_id, channel, an);
+
+	return ret;
+}
+
+
+static int macsec_qca_enable_transmit_sa(void *priv, u32 channel, u8 an)
+{
+	struct macsec_qca_data *drv = priv;
+	int ret = 0;
+
+	wpa_printf(MSG_DEBUG, "%s: channel=%d, an=%d", __func__, channel, an);
+
+	ret += nss_macsec_secy_tx_sa_en_set(drv->secy_id, channel, an, TRUE);
+
+	return ret;
+}
+
+
+static int macsec_qca_disable_transmit_sa(void *priv, u32 channel, u8 an)
+{
+	struct macsec_qca_data *drv = priv;
+	int ret = 0;
+
+	wpa_printf(MSG_DEBUG, "%s: channel=%d, an=%d", __func__, channel, an);
+
+	ret += nss_macsec_secy_tx_sa_en_set(drv->secy_id, channel, an, FALSE);
+
+	return ret;
+}
+
+
+const struct wpa_driver_ops wpa_driver_macsec_qca_ops = {
+	.name = "macsec_qca",
+	.desc = "QCA MACsec Ethernet driver",
+	.get_ssid = macsec_qca_get_ssid,
+	.get_bssid = macsec_qca_get_bssid,
+	.get_capa = macsec_qca_get_capa,
+	.init = macsec_qca_init,
+	.deinit = macsec_qca_deinit,
+
+	.macsec_init = macsec_qca_macsec_init,
+	.macsec_deinit = macsec_qca_macsec_deinit,
+	.enable_protect_frames = macsec_qca_enable_protect_frames,
+	.set_replay_protect = macsec_qca_set_replay_protect,
+	.set_current_cipher_suite = macsec_qca_set_current_cipher_suite,
+	.enable_controlled_port = macsec_qca_enable_controlled_port,
+	.get_receive_lowest_pn = macsec_qca_get_receive_lowest_pn,
+	.get_transmit_next_pn = macsec_qca_get_transmit_next_pn,
+	.set_transmit_next_pn = macsec_qca_set_transmit_next_pn,
+	.get_available_receive_sc = macsec_qca_get_available_receive_sc,
+	.create_receive_sc = macsec_qca_create_receive_sc,
+	.delete_receive_sc = macsec_qca_delete_receive_sc,
+	.create_receive_sa = macsec_qca_create_receive_sa,
+	.enable_receive_sa = macsec_qca_enable_receive_sa,
+	.disable_receive_sa = macsec_qca_disable_receive_sa,
+	.get_available_transmit_sc = macsec_qca_get_available_transmit_sc,
+	.create_transmit_sc = macsec_qca_create_transmit_sc,
+	.delete_transmit_sc = macsec_qca_delete_transmit_sc,
+	.create_transmit_sa = macsec_qca_create_transmit_sa,
+	.enable_transmit_sa = macsec_qca_enable_transmit_sa,
+	.disable_transmit_sa = macsec_qca_disable_transmit_sa,
+};

src/drivers/drivers.c

@@ -34,6 +34,10 @@ extern struct wpa_driver_ops wpa_driver_ndis_ops; /* driver_ndis.c */
 #ifdef CONFIG_DRIVER_WIRED
 extern struct wpa_driver_ops wpa_driver_wired_ops; /* driver_wired.c */
 #endif /* CONFIG_DRIVER_WIRED */
+#ifdef CONFIG_DRIVER_MACSEC_QCA
+ /* driver_macsec_qca.c */
+extern struct wpa_driver_ops wpa_driver_macsec_qca_ops;
+#endif /* CONFIG_DRIVER_MACSEC_QCA */
 #ifdef CONFIG_DRIVER_TEST
 extern struct wpa_driver_ops wpa_driver_test_ops; /* driver_test.c */
 #endif /* CONFIG_DRIVER_TEST */
@@ -75,6 +79,9 @@ struct wpa_driver_ops *wpa_drivers[] =
 #ifdef CONFIG_DRIVER_WIRED
 	&wpa_driver_wired_ops,
 #endif /* CONFIG_DRIVER_WIRED */
+#ifdef CONFIG_DRIVER_MACSEC_QCA
+	&wpa_driver_macsec_qca_ops,
+#endif /* CONFIG_DRIVER_MACSEC_QCA */
 #ifdef CONFIG_DRIVER_TEST
 	&wpa_driver_test_ops,
 #endif /* CONFIG_DRIVER_TEST */

src/drivers/drivers.mak

@@ -17,6 +17,11 @@ DRV_CFLAGS += -DCONFIG_DRIVER_WIRED
 DRV_OBJS += ../src/drivers/driver_wired.o
 endif
 
+ifdef CONFIG_DRIVER_MACSEC_QCA
+DRV_CFLAGS += -DCONFIG_DRIVER_MACSEC_QCA
+DRV_OBJS += ../src/drivers/driver_macsec_qca.o
+endif
+
 ifdef CONFIG_DRIVER_NL80211
 DRV_CFLAGS += -DCONFIG_DRIVER_NL80211
 DRV_OBJS += ../src/drivers/driver_nl80211.o